1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5441d80aaSlling * Common Development and Distribution License (the "License"). 6441d80aaSlling * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 2247cb52daSJeff Bonwick * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23420dfc95SChris Siden * Copyright (c) 2012 by Delphix. All rights reserved. 24e9103aaeSGarrett D'Amore * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 25*a7a845e4SSteven Hartland * Copyright (c) 2013 Steven Hartland. All rights reserved. 26fa9e4066Sahrens */ 27fa9e4066Sahrens 28fa9e4066Sahrens /* 29fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 30fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 31fa9e4066Sahrens * 32fa9e4066Sahrens * The overall design of the ztest program is as follows: 33fa9e4066Sahrens * 34fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 35fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 36fa9e4066Sahrens * we have a simple routine to test that functionality. These 37fa9e4066Sahrens * individual routines do not have to do anything "stressful". 38fa9e4066Sahrens * 39fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 40fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 41fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 42fa9e4066Sahrens * 43fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 44fa9e4066Sahrens * verify that self-healing data really works. 45fa9e4066Sahrens * 46fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 47fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 48fa9e4066Sahrens * in which checksum they use and whether they're compressed. 49fa9e4066Sahrens * 50fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 51fa9e4066Sahrens * we run the entire test in a child of the main process. 52fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 53fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 54fa9e4066Sahrens * The parent then runs the test again, using the existing 55420dfc95SChris Siden * storage pool, as many times as desired. If backwards compatability 56420dfc95SChris Siden * testing is enabled ztest will sometimes run the "older" version 57420dfc95SChris Siden * of ztest after a SIGKILL. 58fa9e4066Sahrens * 59fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 60fa9e4066Sahrens * many of the functional tests record the transaction group number 61fa9e4066Sahrens * as part of their data. When reading old data, they verify that 62fa9e4066Sahrens * the transaction group number is less than the current, open txg. 63fa9e4066Sahrens * If you add a new test, please do this if applicable. 64fa9e4066Sahrens * 65fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 66fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 67fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 68fa9e4066Sahrens * 69fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 70fa9e4066Sahrens * 71fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 72fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 73fa9e4066Sahrens * 74420dfc95SChris Siden * Use the -k option to set the desired frequency of kills. 75420dfc95SChris Siden * 76420dfc95SChris Siden * When ztest invokes itself it passes all relevant information through a 77420dfc95SChris Siden * temporary file which is mmap-ed in the child process. This allows shared 78420dfc95SChris Siden * memory to survive the exec syscall. The ztest_shared_hdr_t struct is always 79420dfc95SChris Siden * stored at offset 0 of this file and contains information on the size and 80420dfc95SChris Siden * number of shared structures in the file. The information stored in this file 81420dfc95SChris Siden * must remain backwards compatible with older versions of ztest so that 82420dfc95SChris Siden * ztest can invoke them during backwards compatibility testing (-B). 83fa9e4066Sahrens */ 84fa9e4066Sahrens 85fa9e4066Sahrens #include <sys/zfs_context.h> 86fa9e4066Sahrens #include <sys/spa.h> 87fa9e4066Sahrens #include <sys/dmu.h> 88fa9e4066Sahrens #include <sys/txg.h> 892fdbea25SAleksandr Guzovskiy #include <sys/dbuf.h> 90fa9e4066Sahrens #include <sys/zap.h> 91fa9e4066Sahrens #include <sys/dmu_objset.h> 92fa9e4066Sahrens #include <sys/poll.h> 93fa9e4066Sahrens #include <sys/stat.h> 94fa9e4066Sahrens #include <sys/time.h> 95fa9e4066Sahrens #include <sys/wait.h> 96fa9e4066Sahrens #include <sys/mman.h> 97fa9e4066Sahrens #include <sys/resource.h> 98fa9e4066Sahrens #include <sys/zio.h> 99fa9e4066Sahrens #include <sys/zil.h> 100b24ab676SJeff Bonwick #include <sys/zil_impl.h> 101fa9e4066Sahrens #include <sys/vdev_impl.h> 102e14bb325SJeff Bonwick #include <sys/vdev_file.h> 103fa9e4066Sahrens #include <sys/spa_impl.h> 10488ecc943SGeorge Wilson #include <sys/metaslab_impl.h> 105fa9e4066Sahrens #include <sys/dsl_prop.h> 1064f5064b7SMark J Musante #include <sys/dsl_dataset.h> 1073b2aab18SMatthew Ahrens #include <sys/dsl_destroy.h> 1083f9d6ad7SLin Ling #include <sys/dsl_scan.h> 109cde58dbcSMatthew Ahrens #include <sys/zio_checksum.h> 110fa9e4066Sahrens #include <sys/refcount.h> 111ad135b5dSChristopher Siden #include <sys/zfeature.h> 1123b2aab18SMatthew Ahrens #include <sys/dsl_userhold.h> 113fa9e4066Sahrens #include <stdio.h> 114004388ebScasper #include <stdio_ext.h> 115fa9e4066Sahrens #include <stdlib.h> 116fa9e4066Sahrens #include <unistd.h> 117fa9e4066Sahrens #include <signal.h> 118fa9e4066Sahrens #include <umem.h> 119fa9e4066Sahrens #include <dlfcn.h> 120fa9e4066Sahrens #include <ctype.h> 121fa9e4066Sahrens #include <math.h> 122fa9e4066Sahrens #include <sys/fs/zfs.h> 123b24ab676SJeff Bonwick #include <libnvpair.h> 124fa9e4066Sahrens 125741652b0SEtienne Dechamps static int ztest_fd_data = -1; 126741652b0SEtienne Dechamps static int ztest_fd_rand = -1; 127420dfc95SChris Siden 128420dfc95SChris Siden typedef struct ztest_shared_hdr { 129420dfc95SChris Siden uint64_t zh_hdr_size; 130420dfc95SChris Siden uint64_t zh_opts_size; 131420dfc95SChris Siden uint64_t zh_size; 132420dfc95SChris Siden uint64_t zh_stats_size; 133420dfc95SChris Siden uint64_t zh_stats_count; 134420dfc95SChris Siden uint64_t zh_ds_size; 135420dfc95SChris Siden uint64_t zh_ds_count; 136420dfc95SChris Siden } ztest_shared_hdr_t; 137420dfc95SChris Siden 138420dfc95SChris Siden static ztest_shared_hdr_t *ztest_shared_hdr; 139420dfc95SChris Siden 140420dfc95SChris Siden typedef struct ztest_shared_opts { 141420dfc95SChris Siden char zo_pool[MAXNAMELEN]; 142420dfc95SChris Siden char zo_dir[MAXNAMELEN]; 143420dfc95SChris Siden char zo_alt_ztest[MAXNAMELEN]; 144420dfc95SChris Siden char zo_alt_libpath[MAXNAMELEN]; 145420dfc95SChris Siden uint64_t zo_vdevs; 146420dfc95SChris Siden uint64_t zo_vdevtime; 147420dfc95SChris Siden size_t zo_vdev_size; 148420dfc95SChris Siden int zo_ashift; 149420dfc95SChris Siden int zo_mirrors; 150420dfc95SChris Siden int zo_raidz; 151420dfc95SChris Siden int zo_raidz_parity; 152420dfc95SChris Siden int zo_datasets; 153420dfc95SChris Siden int zo_threads; 154420dfc95SChris Siden uint64_t zo_passtime; 155420dfc95SChris Siden uint64_t zo_killrate; 156420dfc95SChris Siden int zo_verbose; 157420dfc95SChris Siden int zo_init; 158420dfc95SChris Siden uint64_t zo_time; 159420dfc95SChris Siden uint64_t zo_maxloops; 160420dfc95SChris Siden uint64_t zo_metaslab_gang_bang; 161420dfc95SChris Siden } ztest_shared_opts_t; 162420dfc95SChris Siden 163420dfc95SChris Siden static const ztest_shared_opts_t ztest_opts_defaults = { 164420dfc95SChris Siden .zo_pool = { 'z', 't', 'e', 's', 't', '\0' }, 165420dfc95SChris Siden .zo_dir = { '/', 't', 'm', 'p', '\0' }, 166420dfc95SChris Siden .zo_alt_ztest = { '\0' }, 167420dfc95SChris Siden .zo_alt_libpath = { '\0' }, 168420dfc95SChris Siden .zo_vdevs = 5, 169420dfc95SChris Siden .zo_ashift = SPA_MINBLOCKSHIFT, 170420dfc95SChris Siden .zo_mirrors = 2, 171420dfc95SChris Siden .zo_raidz = 4, 172420dfc95SChris Siden .zo_raidz_parity = 1, 173420dfc95SChris Siden .zo_vdev_size = SPA_MINDEVSIZE, 174420dfc95SChris Siden .zo_datasets = 7, 175420dfc95SChris Siden .zo_threads = 23, 176420dfc95SChris Siden .zo_passtime = 60, /* 60 seconds */ 177420dfc95SChris Siden .zo_killrate = 70, /* 70% kill rate */ 178420dfc95SChris Siden .zo_verbose = 0, 179420dfc95SChris Siden .zo_init = 1, 180420dfc95SChris Siden .zo_time = 300, /* 5 minutes */ 181420dfc95SChris Siden .zo_maxloops = 50, /* max loops during spa_freeze() */ 182420dfc95SChris Siden .zo_metaslab_gang_bang = 32 << 10 183420dfc95SChris Siden }; 184420dfc95SChris Siden 185420dfc95SChris Siden extern uint64_t metaslab_gang_bang; 186420dfc95SChris Siden extern uint64_t metaslab_df_alloc_threshold; 187420dfc95SChris Siden 188420dfc95SChris Siden static ztest_shared_opts_t *ztest_shared_opts; 189420dfc95SChris Siden static ztest_shared_opts_t ztest_opts; 190420dfc95SChris Siden 191420dfc95SChris Siden typedef struct ztest_shared_ds { 192420dfc95SChris Siden uint64_t zd_seq; 193420dfc95SChris Siden } ztest_shared_ds_t; 194420dfc95SChris Siden 195420dfc95SChris Siden static ztest_shared_ds_t *ztest_shared_ds; 196420dfc95SChris Siden #define ZTEST_GET_SHARED_DS(d) (&ztest_shared_ds[d]) 197fa9e4066Sahrens 198b24ab676SJeff Bonwick #define BT_MAGIC 0x123456789abcdefULL 199420dfc95SChris Siden #define MAXFAULTS() \ 200420dfc95SChris Siden (MAX(zs->zs_mirrors, 1) * (ztest_opts.zo_raidz_parity + 1) - 1) 201b24ab676SJeff Bonwick 202b24ab676SJeff Bonwick enum ztest_io_type { 203b24ab676SJeff Bonwick ZTEST_IO_WRITE_TAG, 204b24ab676SJeff Bonwick ZTEST_IO_WRITE_PATTERN, 205b24ab676SJeff Bonwick ZTEST_IO_WRITE_ZEROES, 206b24ab676SJeff Bonwick ZTEST_IO_TRUNCATE, 207b24ab676SJeff Bonwick ZTEST_IO_SETATTR, 20880901aeaSGeorge Wilson ZTEST_IO_REWRITE, 209b24ab676SJeff Bonwick ZTEST_IO_TYPES 210b24ab676SJeff Bonwick }; 211b24ab676SJeff Bonwick 212e05725b1Sbonwick typedef struct ztest_block_tag { 213b24ab676SJeff Bonwick uint64_t bt_magic; 214e05725b1Sbonwick uint64_t bt_objset; 215e05725b1Sbonwick uint64_t bt_object; 216e05725b1Sbonwick uint64_t bt_offset; 217b24ab676SJeff Bonwick uint64_t bt_gen; 218e05725b1Sbonwick uint64_t bt_txg; 219b24ab676SJeff Bonwick uint64_t bt_crtxg; 220e05725b1Sbonwick } ztest_block_tag_t; 221e05725b1Sbonwick 222b24ab676SJeff Bonwick typedef struct bufwad { 223b24ab676SJeff Bonwick uint64_t bw_index; 224b24ab676SJeff Bonwick uint64_t bw_txg; 225b24ab676SJeff Bonwick uint64_t bw_data; 226b24ab676SJeff Bonwick } bufwad_t; 227b24ab676SJeff Bonwick 228b24ab676SJeff Bonwick /* 229b24ab676SJeff Bonwick * XXX -- fix zfs range locks to be generic so we can use them here. 230b24ab676SJeff Bonwick */ 231b24ab676SJeff Bonwick typedef enum { 232b24ab676SJeff Bonwick RL_READER, 233b24ab676SJeff Bonwick RL_WRITER, 234b24ab676SJeff Bonwick RL_APPEND 235b24ab676SJeff Bonwick } rl_type_t; 236b24ab676SJeff Bonwick 237b24ab676SJeff Bonwick typedef struct rll { 238b24ab676SJeff Bonwick void *rll_writer; 239b24ab676SJeff Bonwick int rll_readers; 240b24ab676SJeff Bonwick mutex_t rll_lock; 241b24ab676SJeff Bonwick cond_t rll_cv; 242b24ab676SJeff Bonwick } rll_t; 243b24ab676SJeff Bonwick 244b24ab676SJeff Bonwick typedef struct rl { 245b24ab676SJeff Bonwick uint64_t rl_object; 246b24ab676SJeff Bonwick uint64_t rl_offset; 247b24ab676SJeff Bonwick uint64_t rl_size; 248b24ab676SJeff Bonwick rll_t *rl_lock; 249b24ab676SJeff Bonwick } rl_t; 250b24ab676SJeff Bonwick 251b24ab676SJeff Bonwick #define ZTEST_RANGE_LOCKS 64 252b24ab676SJeff Bonwick #define ZTEST_OBJECT_LOCKS 64 253b24ab676SJeff Bonwick 254b24ab676SJeff Bonwick /* 255b24ab676SJeff Bonwick * Object descriptor. Used as a template for object lookup/create/remove. 256b24ab676SJeff Bonwick */ 257b24ab676SJeff Bonwick typedef struct ztest_od { 258b24ab676SJeff Bonwick uint64_t od_dir; 259b24ab676SJeff Bonwick uint64_t od_object; 260b24ab676SJeff Bonwick dmu_object_type_t od_type; 261b24ab676SJeff Bonwick dmu_object_type_t od_crtype; 262b24ab676SJeff Bonwick uint64_t od_blocksize; 263b24ab676SJeff Bonwick uint64_t od_crblocksize; 264b24ab676SJeff Bonwick uint64_t od_gen; 265b24ab676SJeff Bonwick uint64_t od_crgen; 266b24ab676SJeff Bonwick char od_name[MAXNAMELEN]; 267b24ab676SJeff Bonwick } ztest_od_t; 268fa9e4066Sahrens 269b24ab676SJeff Bonwick /* 270b24ab676SJeff Bonwick * Per-dataset state. 271b24ab676SJeff Bonwick */ 272b24ab676SJeff Bonwick typedef struct ztest_ds { 273420dfc95SChris Siden ztest_shared_ds_t *zd_shared; 274b24ab676SJeff Bonwick objset_t *zd_os; 275c9ba2a43SEric Schrock rwlock_t zd_zilog_lock; 276b24ab676SJeff Bonwick zilog_t *zd_zilog; 277b24ab676SJeff Bonwick ztest_od_t *zd_od; /* debugging aid */ 278b24ab676SJeff Bonwick char zd_name[MAXNAMELEN]; 279b24ab676SJeff Bonwick mutex_t zd_dirobj_lock; 280b24ab676SJeff Bonwick rll_t zd_object_lock[ZTEST_OBJECT_LOCKS]; 281b24ab676SJeff Bonwick rll_t zd_range_lock[ZTEST_RANGE_LOCKS]; 282b24ab676SJeff Bonwick } ztest_ds_t; 283b24ab676SJeff Bonwick 284b24ab676SJeff Bonwick /* 285b24ab676SJeff Bonwick * Per-iteration state. 286b24ab676SJeff Bonwick */ 287b24ab676SJeff Bonwick typedef void ztest_func_t(ztest_ds_t *zd, uint64_t id); 288b24ab676SJeff Bonwick 289b24ab676SJeff Bonwick typedef struct ztest_info { 290b24ab676SJeff Bonwick ztest_func_t *zi_func; /* test function */ 291b24ab676SJeff Bonwick uint64_t zi_iters; /* iterations per execution */ 292b24ab676SJeff Bonwick uint64_t *zi_interval; /* execute every <interval> seconds */ 293b24ab676SJeff Bonwick } ztest_info_t; 294fa9e4066Sahrens 295420dfc95SChris Siden typedef struct ztest_shared_callstate { 296420dfc95SChris Siden uint64_t zc_count; /* per-pass count */ 297420dfc95SChris Siden uint64_t zc_time; /* per-pass time */ 298420dfc95SChris Siden uint64_t zc_next; /* next time to call this function */ 299420dfc95SChris Siden } ztest_shared_callstate_t; 300420dfc95SChris Siden 301420dfc95SChris Siden static ztest_shared_callstate_t *ztest_shared_callstate; 302420dfc95SChris Siden #define ZTEST_GET_SHARED_CALLSTATE(c) (&ztest_shared_callstate[c]) 303420dfc95SChris Siden 304fa9e4066Sahrens /* 305fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 306fa9e4066Sahrens */ 307fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 308fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 309fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 310d20e665cSRicardo M. Correia ztest_func_t ztest_dmu_commit_callbacks; 311fa9e4066Sahrens ztest_func_t ztest_zap; 312fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 313b24ab676SJeff Bonwick ztest_func_t ztest_zil_commit; 314c9ba2a43SEric Schrock ztest_func_t ztest_zil_remount; 315b24ab676SJeff Bonwick ztest_func_t ztest_dmu_read_write_zcopy; 316fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 317b24ab676SJeff Bonwick ztest_func_t ztest_dmu_prealloc; 318b24ab676SJeff Bonwick ztest_func_t ztest_fzap; 319fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 320b24ab676SJeff Bonwick ztest_func_t ztest_dsl_prop_get_set; 321b24ab676SJeff Bonwick ztest_func_t ztest_spa_prop_get_set; 322fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 323fa9e4066Sahrens ztest_func_t ztest_fault_inject; 324b24ab676SJeff Bonwick ztest_func_t ztest_ddt_repair; 325b24ab676SJeff Bonwick ztest_func_t ztest_dmu_snapshot_hold; 326e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 327b24ab676SJeff Bonwick ztest_func_t ztest_scrub; 328b24ab676SJeff Bonwick ztest_func_t ztest_dsl_dataset_promote_busy; 329fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 330fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 331fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 332e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 3331195e687SMark J Musante ztest_func_t ztest_split_pool; 334e9103aaeSGarrett D'Amore ztest_func_t ztest_reguid; 33525345e46SGeorge Wilson ztest_func_t ztest_spa_upgrade; 336fa9e4066Sahrens 337b24ab676SJeff Bonwick uint64_t zopt_always = 0ULL * NANOSEC; /* all the time */ 338b24ab676SJeff Bonwick uint64_t zopt_incessant = 1ULL * NANOSEC / 10; /* every 1/10 second */ 339b24ab676SJeff Bonwick uint64_t zopt_often = 1ULL * NANOSEC; /* every second */ 340b24ab676SJeff Bonwick uint64_t zopt_sometimes = 10ULL * NANOSEC; /* every 10 seconds */ 341b24ab676SJeff Bonwick uint64_t zopt_rarely = 60ULL * NANOSEC; /* every 60 seconds */ 342fa9e4066Sahrens 343fa9e4066Sahrens ztest_info_t ztest_info[] = { 344e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 345b24ab676SJeff Bonwick { ztest_dmu_write_parallel, 10, &zopt_always }, 346e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 347b24ab676SJeff Bonwick { ztest_dmu_commit_callbacks, 1, &zopt_always }, 348e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 349e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 3501195e687SMark J Musante { ztest_split_pool, 1, &zopt_always }, 351b24ab676SJeff Bonwick { ztest_zil_commit, 1, &zopt_incessant }, 352c9ba2a43SEric Schrock { ztest_zil_remount, 1, &zopt_sometimes }, 353b24ab676SJeff Bonwick { ztest_dmu_read_write_zcopy, 1, &zopt_often }, 354b24ab676SJeff Bonwick { ztest_dmu_objset_create_destroy, 1, &zopt_often }, 355b24ab676SJeff Bonwick { ztest_dsl_prop_get_set, 1, &zopt_often }, 356b24ab676SJeff Bonwick { ztest_spa_prop_get_set, 1, &zopt_sometimes }, 357b24ab676SJeff Bonwick #if 0 358b24ab676SJeff Bonwick { ztest_dmu_prealloc, 1, &zopt_sometimes }, 359b24ab676SJeff Bonwick #endif 360b24ab676SJeff Bonwick { ztest_fzap, 1, &zopt_sometimes }, 361b24ab676SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 362b24ab676SJeff Bonwick { ztest_spa_create_destroy, 1, &zopt_sometimes }, 363e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 364b24ab676SJeff Bonwick { ztest_ddt_repair, 1, &zopt_sometimes }, 3655c987a37SChris Kirby { ztest_dmu_snapshot_hold, 1, &zopt_sometimes }, 366e9103aaeSGarrett D'Amore { ztest_reguid, 1, &zopt_sometimes }, 367e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 368b24ab676SJeff Bonwick { ztest_scrub, 1, &zopt_rarely }, 36925345e46SGeorge Wilson { ztest_spa_upgrade, 1, &zopt_rarely }, 370b24ab676SJeff Bonwick { ztest_dsl_dataset_promote_busy, 1, &zopt_rarely }, 3713b2aab18SMatthew Ahrens { ztest_vdev_attach_detach, 1, &zopt_sometimes }, 372e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 373420dfc95SChris Siden { ztest_vdev_add_remove, 1, 374420dfc95SChris Siden &ztest_opts.zo_vdevtime }, 375420dfc95SChris Siden { ztest_vdev_aux_add_remove, 1, 376420dfc95SChris Siden &ztest_opts.zo_vdevtime }, 377fa9e4066Sahrens }; 378fa9e4066Sahrens 379fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 380fa9e4066Sahrens 381d20e665cSRicardo M. Correia /* 382d20e665cSRicardo M. Correia * The following struct is used to hold a list of uncalled commit callbacks. 383d20e665cSRicardo M. Correia * The callbacks are ordered by txg number. 384d20e665cSRicardo M. Correia */ 385d20e665cSRicardo M. Correia typedef struct ztest_cb_list { 386d20e665cSRicardo M. Correia mutex_t zcl_callbacks_lock; 387d20e665cSRicardo M. Correia list_t zcl_callbacks; 388d20e665cSRicardo M. Correia } ztest_cb_list_t; 389d20e665cSRicardo M. Correia 390fa9e4066Sahrens /* 391fa9e4066Sahrens * Stuff we need to share writably between parent and child. 392fa9e4066Sahrens */ 393fa9e4066Sahrens typedef struct ztest_shared { 394420dfc95SChris Siden boolean_t zs_do_init; 395b24ab676SJeff Bonwick hrtime_t zs_proc_start; 396b24ab676SJeff Bonwick hrtime_t zs_proc_stop; 397b24ab676SJeff Bonwick hrtime_t zs_thread_start; 398b24ab676SJeff Bonwick hrtime_t zs_thread_stop; 399b24ab676SJeff Bonwick hrtime_t zs_thread_kill; 400b24ab676SJeff Bonwick uint64_t zs_enospc_count; 40188ecc943SGeorge Wilson uint64_t zs_vdev_next_leaf; 402e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 403fa9e4066Sahrens uint64_t zs_alloc; 404fa9e4066Sahrens uint64_t zs_space; 4051195e687SMark J Musante uint64_t zs_splits; 4061195e687SMark J Musante uint64_t zs_mirrors; 407420dfc95SChris Siden uint64_t zs_metaslab_sz; 408420dfc95SChris Siden uint64_t zs_metaslab_df_alloc_threshold; 409420dfc95SChris Siden uint64_t zs_guid; 410fa9e4066Sahrens } ztest_shared_t; 411fa9e4066Sahrens 412b24ab676SJeff Bonwick #define ID_PARALLEL -1ULL 413b24ab676SJeff Bonwick 414fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 415e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 416b24ab676SJeff Bonwick ztest_shared_t *ztest_shared; 417fa9e4066Sahrens 418420dfc95SChris Siden static spa_t *ztest_spa = NULL; 419420dfc95SChris Siden static ztest_ds_t *ztest_ds; 420420dfc95SChris Siden 421420dfc95SChris Siden static mutex_t ztest_vdev_lock; 422dfbb9432SGeorge Wilson 423dfbb9432SGeorge Wilson /* 424dfbb9432SGeorge Wilson * The ztest_name_lock protects the pool and dataset namespace used by 425dfbb9432SGeorge Wilson * the individual tests. To modify the namespace, consumers must grab 426dfbb9432SGeorge Wilson * this lock as writer. Grabbing the lock as reader will ensure that the 427dfbb9432SGeorge Wilson * namespace does not change while the lock is held. 428dfbb9432SGeorge Wilson */ 429420dfc95SChris Siden static rwlock_t ztest_name_lock; 430fa9e4066Sahrens 431420dfc95SChris Siden static boolean_t ztest_dump_core = B_TRUE; 432e14bb325SJeff Bonwick static boolean_t ztest_exiting; 4330a4e9518Sgw 434d20e665cSRicardo M. Correia /* Global commit callback list */ 435d20e665cSRicardo M. Correia static ztest_cb_list_t zcl; 436d20e665cSRicardo M. Correia 437b24ab676SJeff Bonwick enum ztest_object { 438b24ab676SJeff Bonwick ZTEST_META_DNODE = 0, 439b24ab676SJeff Bonwick ZTEST_DIROBJ, 440b24ab676SJeff Bonwick ZTEST_OBJECTS 441b24ab676SJeff Bonwick }; 442fa9e4066Sahrens 4431ce825d8Sraf static void usage(boolean_t) __NORETURN; 444f1b4288bSvb 445fa9e4066Sahrens /* 446fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 447fa9e4066Sahrens * debugging facilities. 448fa9e4066Sahrens */ 449fa9e4066Sahrens const char * 450fa9e4066Sahrens _umem_debug_init() 451fa9e4066Sahrens { 452fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 453fa9e4066Sahrens } 454fa9e4066Sahrens 455fa9e4066Sahrens const char * 456fa9e4066Sahrens _umem_logging_init(void) 457fa9e4066Sahrens { 458fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 459fa9e4066Sahrens } 460fa9e4066Sahrens 461fa9e4066Sahrens #define FATAL_MSG_SZ 1024 462fa9e4066Sahrens 463fa9e4066Sahrens char *fatal_msg; 464fa9e4066Sahrens 465fa9e4066Sahrens static void 466fa9e4066Sahrens fatal(int do_perror, char *message, ...) 467fa9e4066Sahrens { 468fa9e4066Sahrens va_list args; 469fa9e4066Sahrens int save_errno = errno; 470fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 471fa9e4066Sahrens 472fa9e4066Sahrens (void) fflush(stdout); 473fa9e4066Sahrens 474fa9e4066Sahrens va_start(args, message); 475fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 476fa9e4066Sahrens /* LINTED */ 477fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 478fa9e4066Sahrens va_end(args); 479fa9e4066Sahrens if (do_perror) { 480fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 481fa9e4066Sahrens ": %s", strerror(save_errno)); 482fa9e4066Sahrens } 483fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 484fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 485fa9e4066Sahrens if (ztest_dump_core) 486fa9e4066Sahrens abort(); 487fa9e4066Sahrens exit(3); 488fa9e4066Sahrens } 489fa9e4066Sahrens 490fa9e4066Sahrens static int 491fa9e4066Sahrens str2shift(const char *buf) 492fa9e4066Sahrens { 493fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 494fa9e4066Sahrens int i; 495fa9e4066Sahrens 496fa9e4066Sahrens if (buf[0] == '\0') 497fa9e4066Sahrens return (0); 498fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 499fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 500fa9e4066Sahrens break; 501fa9e4066Sahrens } 502f1b4288bSvb if (i == strlen(ends)) { 503f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 504f1b4288bSvb buf); 505f1b4288bSvb usage(B_FALSE); 506f1b4288bSvb } 507fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 508fa9e4066Sahrens return (10*i); 509fa9e4066Sahrens } 510f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 511f1b4288bSvb usage(B_FALSE); 512f1b4288bSvb /* NOTREACHED */ 513fa9e4066Sahrens } 514fa9e4066Sahrens 515fa9e4066Sahrens static uint64_t 516fa9e4066Sahrens nicenumtoull(const char *buf) 517fa9e4066Sahrens { 518fa9e4066Sahrens char *end; 519fa9e4066Sahrens uint64_t val; 520fa9e4066Sahrens 521fa9e4066Sahrens val = strtoull(buf, &end, 0); 522fa9e4066Sahrens if (end == buf) { 523f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 524f1b4288bSvb usage(B_FALSE); 525fa9e4066Sahrens } else if (end[0] == '.') { 526fa9e4066Sahrens double fval = strtod(buf, &end); 527fa9e4066Sahrens fval *= pow(2, str2shift(end)); 528f1b4288bSvb if (fval > UINT64_MAX) { 529f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 530f1b4288bSvb buf); 531f1b4288bSvb usage(B_FALSE); 532f1b4288bSvb } 533fa9e4066Sahrens val = (uint64_t)fval; 534fa9e4066Sahrens } else { 535fa9e4066Sahrens int shift = str2shift(end); 536f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 537f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 538f1b4288bSvb buf); 539f1b4288bSvb usage(B_FALSE); 540f1b4288bSvb } 541fa9e4066Sahrens val <<= shift; 542fa9e4066Sahrens } 543fa9e4066Sahrens return (val); 544fa9e4066Sahrens } 545fa9e4066Sahrens 546fa9e4066Sahrens static void 547f1b4288bSvb usage(boolean_t requested) 548fa9e4066Sahrens { 549420dfc95SChris Siden const ztest_shared_opts_t *zo = &ztest_opts_defaults; 550420dfc95SChris Siden 551fa9e4066Sahrens char nice_vdev_size[10]; 552fa9e4066Sahrens char nice_gang_bang[10]; 553f1b4288bSvb FILE *fp = requested ? stdout : stderr; 554fa9e4066Sahrens 555420dfc95SChris Siden nicenum(zo->zo_vdev_size, nice_vdev_size); 556420dfc95SChris Siden nicenum(zo->zo_metaslab_gang_bang, nice_gang_bang); 557fa9e4066Sahrens 558f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 559fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 560fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 5612215e990SMark J Musante "\t[-a alignment_shift (default: %d)] use 0 for random\n" 562fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 563fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 56499653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 565fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 566fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 567fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 5682215e990SMark J Musante "\t[-i init_count (default: %d)] initialize pool i times\n" 5692215e990SMark J Musante "\t[-k kill_percentage (default: %llu%%)]\n" 570fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 5712215e990SMark J Musante "\t[-f dir (default: %s)] file directory for vdev files\n" 5722215e990SMark J Musante "\t[-V] verbose (use multiple times for ever more blather)\n" 5732215e990SMark J Musante "\t[-E] use existing pool instead of creating new one\n" 5742215e990SMark J Musante "\t[-T time (default: %llu sec)] total run time\n" 5752215e990SMark J Musante "\t[-F freezeloops (default: %llu)] max loops in spa_freeze()\n" 5762215e990SMark J Musante "\t[-P passtime (default: %llu sec)] time per pass\n" 577420dfc95SChris Siden "\t[-B alt_ztest (default: <none>)] alternate ztest path\n" 578f1b4288bSvb "\t[-h] (print help)\n" 579fa9e4066Sahrens "", 580420dfc95SChris Siden zo->zo_pool, 581420dfc95SChris Siden (u_longlong_t)zo->zo_vdevs, /* -v */ 5820a4e9518Sgw nice_vdev_size, /* -s */ 583420dfc95SChris Siden zo->zo_ashift, /* -a */ 584420dfc95SChris Siden zo->zo_mirrors, /* -m */ 585420dfc95SChris Siden zo->zo_raidz, /* -r */ 586420dfc95SChris Siden zo->zo_raidz_parity, /* -R */ 587420dfc95SChris Siden zo->zo_datasets, /* -d */ 588420dfc95SChris Siden zo->zo_threads, /* -t */ 5890a4e9518Sgw nice_gang_bang, /* -g */ 590420dfc95SChris Siden zo->zo_init, /* -i */ 591420dfc95SChris Siden (u_longlong_t)zo->zo_killrate, /* -k */ 592420dfc95SChris Siden zo->zo_pool, /* -p */ 593420dfc95SChris Siden zo->zo_dir, /* -f */ 594420dfc95SChris Siden (u_longlong_t)zo->zo_time, /* -T */ 595420dfc95SChris Siden (u_longlong_t)zo->zo_maxloops, /* -F */ 596420dfc95SChris Siden (u_longlong_t)zo->zo_passtime); 597f1b4288bSvb exit(requested ? 0 : 1); 598fa9e4066Sahrens } 599fa9e4066Sahrens 600fa9e4066Sahrens static void 601fa9e4066Sahrens process_options(int argc, char **argv) 602fa9e4066Sahrens { 603420dfc95SChris Siden char *path; 604420dfc95SChris Siden ztest_shared_opts_t *zo = &ztest_opts; 605420dfc95SChris Siden 606fa9e4066Sahrens int opt; 607fa9e4066Sahrens uint64_t value; 608420dfc95SChris Siden char altdir[MAXNAMELEN] = { 0 }; 609fa9e4066Sahrens 610420dfc95SChris Siden bcopy(&ztest_opts_defaults, zo, sizeof (*zo)); 611fa9e4066Sahrens 612fa9e4066Sahrens while ((opt = getopt(argc, argv, 613420dfc95SChris Siden "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:hF:B:")) != EOF) { 614fa9e4066Sahrens value = 0; 615fa9e4066Sahrens switch (opt) { 6163d7072f8Seschrock case 'v': 6173d7072f8Seschrock case 's': 6183d7072f8Seschrock case 'a': 6193d7072f8Seschrock case 'm': 6203d7072f8Seschrock case 'r': 6213d7072f8Seschrock case 'R': 6223d7072f8Seschrock case 'd': 6233d7072f8Seschrock case 't': 6243d7072f8Seschrock case 'g': 6253d7072f8Seschrock case 'i': 6263d7072f8Seschrock case 'k': 6273d7072f8Seschrock case 'T': 6283d7072f8Seschrock case 'P': 6292215e990SMark J Musante case 'F': 630fa9e4066Sahrens value = nicenumtoull(optarg); 631fa9e4066Sahrens } 632fa9e4066Sahrens switch (opt) { 6333d7072f8Seschrock case 'v': 634420dfc95SChris Siden zo->zo_vdevs = value; 635fa9e4066Sahrens break; 6363d7072f8Seschrock case 's': 637420dfc95SChris Siden zo->zo_vdev_size = MAX(SPA_MINDEVSIZE, value); 638fa9e4066Sahrens break; 6393d7072f8Seschrock case 'a': 640420dfc95SChris Siden zo->zo_ashift = value; 641ecc2d604Sbonwick break; 6423d7072f8Seschrock case 'm': 643420dfc95SChris Siden zo->zo_mirrors = value; 644fa9e4066Sahrens break; 6453d7072f8Seschrock case 'r': 646420dfc95SChris Siden zo->zo_raidz = MAX(1, value); 647fa9e4066Sahrens break; 6483d7072f8Seschrock case 'R': 649420dfc95SChris Siden zo->zo_raidz_parity = MIN(MAX(value, 1), 3); 65099653d4eSeschrock break; 6513d7072f8Seschrock case 'd': 652420dfc95SChris Siden zo->zo_datasets = MAX(1, value); 653fa9e4066Sahrens break; 6543d7072f8Seschrock case 't': 655420dfc95SChris Siden zo->zo_threads = MAX(1, value); 656fa9e4066Sahrens break; 6573d7072f8Seschrock case 'g': 658420dfc95SChris Siden zo->zo_metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, 659420dfc95SChris Siden value); 660fa9e4066Sahrens break; 6613d7072f8Seschrock case 'i': 662420dfc95SChris Siden zo->zo_init = value; 663fa9e4066Sahrens break; 6643d7072f8Seschrock case 'k': 665420dfc95SChris Siden zo->zo_killrate = value; 666fa9e4066Sahrens break; 6673d7072f8Seschrock case 'p': 668420dfc95SChris Siden (void) strlcpy(zo->zo_pool, optarg, 669420dfc95SChris Siden sizeof (zo->zo_pool)); 670fa9e4066Sahrens break; 6713d7072f8Seschrock case 'f': 672420dfc95SChris Siden path = realpath(optarg, NULL); 673420dfc95SChris Siden if (path == NULL) { 674420dfc95SChris Siden (void) fprintf(stderr, "error: %s: %s\n", 675420dfc95SChris Siden optarg, strerror(errno)); 676420dfc95SChris Siden usage(B_FALSE); 677420dfc95SChris Siden } else { 678420dfc95SChris Siden (void) strlcpy(zo->zo_dir, path, 679420dfc95SChris Siden sizeof (zo->zo_dir)); 680420dfc95SChris Siden } 681fa9e4066Sahrens break; 6823d7072f8Seschrock case 'V': 683420dfc95SChris Siden zo->zo_verbose++; 684fa9e4066Sahrens break; 6853d7072f8Seschrock case 'E': 686420dfc95SChris Siden zo->zo_init = 0; 687fa9e4066Sahrens break; 6883d7072f8Seschrock case 'T': 689420dfc95SChris Siden zo->zo_time = value; 690fa9e4066Sahrens break; 6913d7072f8Seschrock case 'P': 692420dfc95SChris Siden zo->zo_passtime = MAX(1, value); 693fa9e4066Sahrens break; 6942215e990SMark J Musante case 'F': 695420dfc95SChris Siden zo->zo_maxloops = MAX(1, value); 696420dfc95SChris Siden break; 697420dfc95SChris Siden case 'B': 698420dfc95SChris Siden (void) strlcpy(altdir, optarg, sizeof (altdir)); 6992215e990SMark J Musante break; 7003d7072f8Seschrock case 'h': 701f1b4288bSvb usage(B_TRUE); 702f1b4288bSvb break; 7033d7072f8Seschrock case '?': 7043d7072f8Seschrock default: 705f1b4288bSvb usage(B_FALSE); 706fa9e4066Sahrens break; 707fa9e4066Sahrens } 708fa9e4066Sahrens } 709fa9e4066Sahrens 710420dfc95SChris Siden zo->zo_raidz_parity = MIN(zo->zo_raidz_parity, zo->zo_raidz - 1); 71199653d4eSeschrock 712420dfc95SChris Siden zo->zo_vdevtime = 713420dfc95SChris Siden (zo->zo_vdevs > 0 ? zo->zo_time * NANOSEC / zo->zo_vdevs : 714b24ab676SJeff Bonwick UINT64_MAX >> 2); 715420dfc95SChris Siden 716420dfc95SChris Siden if (strlen(altdir) > 0) { 717741652b0SEtienne Dechamps char *cmd; 718741652b0SEtienne Dechamps char *realaltdir; 719420dfc95SChris Siden char *bin; 720420dfc95SChris Siden char *ztest; 721420dfc95SChris Siden char *isa; 722420dfc95SChris Siden int isalen; 723420dfc95SChris Siden 724741652b0SEtienne Dechamps cmd = umem_alloc(MAXPATHLEN, UMEM_NOFAIL); 725741652b0SEtienne Dechamps realaltdir = umem_alloc(MAXPATHLEN, UMEM_NOFAIL); 726741652b0SEtienne Dechamps 727741652b0SEtienne Dechamps VERIFY(NULL != realpath(getexecname(), cmd)); 728420dfc95SChris Siden if (0 != access(altdir, F_OK)) { 729420dfc95SChris Siden ztest_dump_core = B_FALSE; 730420dfc95SChris Siden fatal(B_TRUE, "invalid alternate ztest path: %s", 731420dfc95SChris Siden altdir); 732420dfc95SChris Siden } 733420dfc95SChris Siden VERIFY(NULL != realpath(altdir, realaltdir)); 734420dfc95SChris Siden 735420dfc95SChris Siden /* 736420dfc95SChris Siden * 'cmd' should be of the form "<anything>/usr/bin/<isa>/ztest". 737420dfc95SChris Siden * We want to extract <isa> to determine if we should use 738420dfc95SChris Siden * 32 or 64 bit binaries. 739420dfc95SChris Siden */ 740420dfc95SChris Siden bin = strstr(cmd, "/usr/bin/"); 741420dfc95SChris Siden ztest = strstr(bin, "/ztest"); 742420dfc95SChris Siden isa = bin + 9; 743420dfc95SChris Siden isalen = ztest - isa; 744420dfc95SChris Siden (void) snprintf(zo->zo_alt_ztest, sizeof (zo->zo_alt_ztest), 745420dfc95SChris Siden "%s/usr/bin/%.*s/ztest", realaltdir, isalen, isa); 746420dfc95SChris Siden (void) snprintf(zo->zo_alt_libpath, sizeof (zo->zo_alt_libpath), 747420dfc95SChris Siden "%s/usr/lib/%.*s", realaltdir, isalen, isa); 748420dfc95SChris Siden 749420dfc95SChris Siden if (0 != access(zo->zo_alt_ztest, X_OK)) { 750420dfc95SChris Siden ztest_dump_core = B_FALSE; 751420dfc95SChris Siden fatal(B_TRUE, "invalid alternate ztest: %s", 752420dfc95SChris Siden zo->zo_alt_ztest); 753420dfc95SChris Siden } else if (0 != access(zo->zo_alt_libpath, X_OK)) { 754420dfc95SChris Siden ztest_dump_core = B_FALSE; 755420dfc95SChris Siden fatal(B_TRUE, "invalid alternate lib directory %s", 756420dfc95SChris Siden zo->zo_alt_libpath); 757420dfc95SChris Siden } 758741652b0SEtienne Dechamps 759741652b0SEtienne Dechamps umem_free(cmd, MAXPATHLEN); 760741652b0SEtienne Dechamps umem_free(realaltdir, MAXPATHLEN); 761420dfc95SChris Siden } 762fa9e4066Sahrens } 763fa9e4066Sahrens 764b24ab676SJeff Bonwick static void 765b24ab676SJeff Bonwick ztest_kill(ztest_shared_t *zs) 766b24ab676SJeff Bonwick { 767420dfc95SChris Siden zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(ztest_spa)); 768420dfc95SChris Siden zs->zs_space = metaslab_class_get_space(spa_normal_class(ztest_spa)); 769b24ab676SJeff Bonwick (void) kill(getpid(), SIGKILL); 770b24ab676SJeff Bonwick } 771b24ab676SJeff Bonwick 772b24ab676SJeff Bonwick static uint64_t 773b24ab676SJeff Bonwick ztest_random(uint64_t range) 774b24ab676SJeff Bonwick { 775b24ab676SJeff Bonwick uint64_t r; 776b24ab676SJeff Bonwick 777741652b0SEtienne Dechamps ASSERT3S(ztest_fd_rand, >=, 0); 778741652b0SEtienne Dechamps 779b24ab676SJeff Bonwick if (range == 0) 780b24ab676SJeff Bonwick return (0); 781b24ab676SJeff Bonwick 782741652b0SEtienne Dechamps if (read(ztest_fd_rand, &r, sizeof (r)) != sizeof (r)) 783b24ab676SJeff Bonwick fatal(1, "short read from /dev/urandom"); 784b24ab676SJeff Bonwick 785b24ab676SJeff Bonwick return (r % range); 786b24ab676SJeff Bonwick } 787b24ab676SJeff Bonwick 788b24ab676SJeff Bonwick /* ARGSUSED */ 789b24ab676SJeff Bonwick static void 790b24ab676SJeff Bonwick ztest_record_enospc(const char *s) 791b24ab676SJeff Bonwick { 792b24ab676SJeff Bonwick ztest_shared->zs_enospc_count++; 793b24ab676SJeff Bonwick } 794b24ab676SJeff Bonwick 795ecc2d604Sbonwick static uint64_t 796ecc2d604Sbonwick ztest_get_ashift(void) 797ecc2d604Sbonwick { 798420dfc95SChris Siden if (ztest_opts.zo_ashift == 0) 799ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 800420dfc95SChris Siden return (ztest_opts.zo_ashift); 801ecc2d604Sbonwick } 802ecc2d604Sbonwick 803fa9e4066Sahrens static nvlist_t * 80425345e46SGeorge Wilson make_vdev_file(char *path, char *aux, char *pool, size_t size, uint64_t ashift) 805fa9e4066Sahrens { 806e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 807fa9e4066Sahrens uint64_t vdev; 808fa9e4066Sahrens nvlist_t *file; 809fa9e4066Sahrens 810e14bb325SJeff Bonwick if (ashift == 0) 811e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 812e14bb325SJeff Bonwick 813e14bb325SJeff Bonwick if (path == NULL) { 814e14bb325SJeff Bonwick path = pathbuf; 815fa9e4066Sahrens 816e14bb325SJeff Bonwick if (aux != NULL) { 817e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 818420dfc95SChris Siden (void) snprintf(path, sizeof (pathbuf), 819420dfc95SChris Siden ztest_aux_template, ztest_opts.zo_dir, 82025345e46SGeorge Wilson pool == NULL ? ztest_opts.zo_pool : pool, 82125345e46SGeorge Wilson aux, vdev); 822e14bb325SJeff Bonwick } else { 82388ecc943SGeorge Wilson vdev = ztest_shared->zs_vdev_next_leaf++; 824420dfc95SChris Siden (void) snprintf(path, sizeof (pathbuf), 825420dfc95SChris Siden ztest_dev_template, ztest_opts.zo_dir, 82625345e46SGeorge Wilson pool == NULL ? ztest_opts.zo_pool : pool, vdev); 827e14bb325SJeff Bonwick } 828e14bb325SJeff Bonwick } 829e14bb325SJeff Bonwick 830e14bb325SJeff Bonwick if (size != 0) { 831e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 832fa9e4066Sahrens if (fd == -1) 833e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 834fa9e4066Sahrens if (ftruncate(fd, size) != 0) 835e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 836fa9e4066Sahrens (void) close(fd); 837fa9e4066Sahrens } 838fa9e4066Sahrens 839fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 840fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 841e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 842ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 843fa9e4066Sahrens 844fa9e4066Sahrens return (file); 845fa9e4066Sahrens } 846fa9e4066Sahrens 847fa9e4066Sahrens static nvlist_t * 84825345e46SGeorge Wilson make_vdev_raidz(char *path, char *aux, char *pool, size_t size, 84925345e46SGeorge Wilson uint64_t ashift, int r) 850fa9e4066Sahrens { 851fa9e4066Sahrens nvlist_t *raidz, **child; 852fa9e4066Sahrens int c; 853fa9e4066Sahrens 854fa9e4066Sahrens if (r < 2) 85525345e46SGeorge Wilson return (make_vdev_file(path, aux, pool, size, ashift)); 856fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 857fa9e4066Sahrens 858fa9e4066Sahrens for (c = 0; c < r; c++) 85925345e46SGeorge Wilson child[c] = make_vdev_file(path, aux, pool, size, ashift); 860fa9e4066Sahrens 861fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 862fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 863fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 86499653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 865420dfc95SChris Siden ztest_opts.zo_raidz_parity) == 0); 866fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 867fa9e4066Sahrens child, r) == 0); 868fa9e4066Sahrens 869fa9e4066Sahrens for (c = 0; c < r; c++) 870fa9e4066Sahrens nvlist_free(child[c]); 871fa9e4066Sahrens 872fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 873fa9e4066Sahrens 874fa9e4066Sahrens return (raidz); 875fa9e4066Sahrens } 876fa9e4066Sahrens 877fa9e4066Sahrens static nvlist_t * 87825345e46SGeorge Wilson make_vdev_mirror(char *path, char *aux, char *pool, size_t size, 87925345e46SGeorge Wilson uint64_t ashift, int r, int m) 880fa9e4066Sahrens { 881fa9e4066Sahrens nvlist_t *mirror, **child; 882fa9e4066Sahrens int c; 883fa9e4066Sahrens 884fa9e4066Sahrens if (m < 1) 88525345e46SGeorge Wilson return (make_vdev_raidz(path, aux, pool, size, ashift, r)); 886fa9e4066Sahrens 887fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 888fa9e4066Sahrens 889fa9e4066Sahrens for (c = 0; c < m; c++) 89025345e46SGeorge Wilson child[c] = make_vdev_raidz(path, aux, pool, size, ashift, r); 891fa9e4066Sahrens 892fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 893fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 894fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 895fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 896fa9e4066Sahrens child, m) == 0); 897fa9e4066Sahrens 898fa9e4066Sahrens for (c = 0; c < m; c++) 899fa9e4066Sahrens nvlist_free(child[c]); 900fa9e4066Sahrens 901fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 902fa9e4066Sahrens 903fa9e4066Sahrens return (mirror); 904fa9e4066Sahrens } 905fa9e4066Sahrens 906fa9e4066Sahrens static nvlist_t * 90725345e46SGeorge Wilson make_vdev_root(char *path, char *aux, char *pool, size_t size, uint64_t ashift, 90825345e46SGeorge Wilson int log, int r, int m, int t) 909fa9e4066Sahrens { 910fa9e4066Sahrens nvlist_t *root, **child; 911fa9e4066Sahrens int c; 912fa9e4066Sahrens 913fa9e4066Sahrens ASSERT(t > 0); 914fa9e4066Sahrens 915fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 916fa9e4066Sahrens 91731157203SJeff Bonwick for (c = 0; c < t; c++) { 91825345e46SGeorge Wilson child[c] = make_vdev_mirror(path, aux, pool, size, ashift, 91925345e46SGeorge Wilson r, m); 92031157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 92131157203SJeff Bonwick log) == 0); 92231157203SJeff Bonwick } 923fa9e4066Sahrens 924fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 925fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 926e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 927fa9e4066Sahrens child, t) == 0); 928fa9e4066Sahrens 929fa9e4066Sahrens for (c = 0; c < t; c++) 930fa9e4066Sahrens nvlist_free(child[c]); 931fa9e4066Sahrens 932fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 933fa9e4066Sahrens 934fa9e4066Sahrens return (root); 935fa9e4066Sahrens } 936fa9e4066Sahrens 93725345e46SGeorge Wilson /* 93825345e46SGeorge Wilson * Find a random spa version. Returns back a random spa version in the 93925345e46SGeorge Wilson * range [initial_version, SPA_VERSION_FEATURES]. 94025345e46SGeorge Wilson */ 94125345e46SGeorge Wilson static uint64_t 94225345e46SGeorge Wilson ztest_random_spa_version(uint64_t initial_version) 94325345e46SGeorge Wilson { 94425345e46SGeorge Wilson uint64_t version = initial_version; 94525345e46SGeorge Wilson 94625345e46SGeorge Wilson if (version <= SPA_VERSION_BEFORE_FEATURES) { 94725345e46SGeorge Wilson version = version + 94825345e46SGeorge Wilson ztest_random(SPA_VERSION_BEFORE_FEATURES - version + 1); 94925345e46SGeorge Wilson } 95025345e46SGeorge Wilson 95125345e46SGeorge Wilson if (version > SPA_VERSION_BEFORE_FEATURES) 95225345e46SGeorge Wilson version = SPA_VERSION_FEATURES; 95325345e46SGeorge Wilson 95425345e46SGeorge Wilson ASSERT(SPA_VERSION_IS_SUPPORTED(version)); 95525345e46SGeorge Wilson return (version); 95625345e46SGeorge Wilson } 95725345e46SGeorge Wilson 958b24ab676SJeff Bonwick static int 959b24ab676SJeff Bonwick ztest_random_blocksize(void) 960fa9e4066Sahrens { 961b24ab676SJeff Bonwick return (1 << (SPA_MINBLOCKSHIFT + 962b24ab676SJeff Bonwick ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1))); 963b24ab676SJeff Bonwick } 964fa9e4066Sahrens 965b24ab676SJeff Bonwick static int 966b24ab676SJeff Bonwick ztest_random_ibshift(void) 967b24ab676SJeff Bonwick { 968b24ab676SJeff Bonwick return (DN_MIN_INDBLKSHIFT + 969b24ab676SJeff Bonwick ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1)); 970fa9e4066Sahrens } 971fa9e4066Sahrens 972b24ab676SJeff Bonwick static uint64_t 973b24ab676SJeff Bonwick ztest_random_vdev_top(spa_t *spa, boolean_t log_ok) 974fa9e4066Sahrens { 975b24ab676SJeff Bonwick uint64_t top; 976b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 977b24ab676SJeff Bonwick vdev_t *tvd; 978fa9e4066Sahrens 979b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); 980fa9e4066Sahrens 981b24ab676SJeff Bonwick do { 982b24ab676SJeff Bonwick top = ztest_random(rvd->vdev_children); 983b24ab676SJeff Bonwick tvd = rvd->vdev_child[top]; 984b24ab676SJeff Bonwick } while (tvd->vdev_ishole || (tvd->vdev_islog && !log_ok) || 985b24ab676SJeff Bonwick tvd->vdev_mg == NULL || tvd->vdev_mg->mg_class == NULL); 986fa9e4066Sahrens 987b24ab676SJeff Bonwick return (top); 988fa9e4066Sahrens } 989fa9e4066Sahrens 990b24ab676SJeff Bonwick static uint64_t 991b24ab676SJeff Bonwick ztest_random_dsl_prop(zfs_prop_t prop) 992fa9e4066Sahrens { 993b24ab676SJeff Bonwick uint64_t value; 994b24ab676SJeff Bonwick 995b24ab676SJeff Bonwick do { 996b24ab676SJeff Bonwick value = zfs_prop_random_value(prop, ztest_random(-1ULL)); 997b24ab676SJeff Bonwick } while (prop == ZFS_PROP_CHECKSUM && value == ZIO_CHECKSUM_OFF); 998b24ab676SJeff Bonwick 999b24ab676SJeff Bonwick return (value); 1000fa9e4066Sahrens } 1001fa9e4066Sahrens 1002fa9e4066Sahrens static int 1003b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(char *osname, zfs_prop_t prop, uint64_t value, 1004b24ab676SJeff Bonwick boolean_t inherit) 1005fa9e4066Sahrens { 1006b24ab676SJeff Bonwick const char *propname = zfs_prop_to_name(prop); 1007b24ab676SJeff Bonwick const char *valname; 1008b24ab676SJeff Bonwick char setpoint[MAXPATHLEN]; 1009b24ab676SJeff Bonwick uint64_t curval; 1010fa9e4066Sahrens int error; 1011fa9e4066Sahrens 10123b2aab18SMatthew Ahrens error = dsl_prop_set_int(osname, propname, 10133b2aab18SMatthew Ahrens (inherit ? ZPROP_SRC_NONE : ZPROP_SRC_LOCAL), value); 1014fa9e4066Sahrens 1015b24ab676SJeff Bonwick if (error == ENOSPC) { 1016b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 1017fa9e4066Sahrens return (error); 1018fa9e4066Sahrens } 1019fb09f5aaSMadhav Suresh ASSERT0(error); 1020fa9e4066Sahrens 10213b2aab18SMatthew Ahrens VERIFY0(dsl_prop_get_integer(osname, propname, &curval, setpoint)); 1022b24ab676SJeff Bonwick 1023420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 1024b24ab676SJeff Bonwick VERIFY(zfs_prop_index_to_string(prop, curval, &valname) == 0); 1025b24ab676SJeff Bonwick (void) printf("%s %s = %s at '%s'\n", 1026b24ab676SJeff Bonwick osname, propname, valname, setpoint); 1027fa9e4066Sahrens } 1028fa9e4066Sahrens 1029fa9e4066Sahrens return (error); 1030fa9e4066Sahrens } 1031fa9e4066Sahrens 1032fa9e4066Sahrens static int 1033420dfc95SChris Siden ztest_spa_prop_set_uint64(zpool_prop_t prop, uint64_t value) 1034fa9e4066Sahrens { 1035420dfc95SChris Siden spa_t *spa = ztest_spa; 1036b24ab676SJeff Bonwick nvlist_t *props = NULL; 1037fa9e4066Sahrens int error; 1038fa9e4066Sahrens 1039b24ab676SJeff Bonwick VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 1040b24ab676SJeff Bonwick VERIFY(nvlist_add_uint64(props, zpool_prop_to_name(prop), value) == 0); 1041fa9e4066Sahrens 1042b24ab676SJeff Bonwick error = spa_prop_set(spa, props); 1043b24ab676SJeff Bonwick 1044b24ab676SJeff Bonwick nvlist_free(props); 1045b24ab676SJeff Bonwick 1046b24ab676SJeff Bonwick if (error == ENOSPC) { 1047b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 1048fa9e4066Sahrens return (error); 1049fa9e4066Sahrens } 1050fb09f5aaSMadhav Suresh ASSERT0(error); 1051fa9e4066Sahrens 1052fa9e4066Sahrens return (error); 1053fa9e4066Sahrens } 1054fa9e4066Sahrens 1055b24ab676SJeff Bonwick static void 1056b24ab676SJeff Bonwick ztest_rll_init(rll_t *rll) 1057b24ab676SJeff Bonwick { 1058b24ab676SJeff Bonwick rll->rll_writer = NULL; 1059b24ab676SJeff Bonwick rll->rll_readers = 0; 1060b24ab676SJeff Bonwick VERIFY(_mutex_init(&rll->rll_lock, USYNC_THREAD, NULL) == 0); 1061b24ab676SJeff Bonwick VERIFY(cond_init(&rll->rll_cv, USYNC_THREAD, NULL) == 0); 1062b24ab676SJeff Bonwick } 1063fa9e4066Sahrens 1064b24ab676SJeff Bonwick static void 1065b24ab676SJeff Bonwick ztest_rll_destroy(rll_t *rll) 1066fa9e4066Sahrens { 1067b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 1068b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 1069b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&rll->rll_lock) == 0); 1070b24ab676SJeff Bonwick VERIFY(cond_destroy(&rll->rll_cv) == 0); 1071b24ab676SJeff Bonwick } 1072fa9e4066Sahrens 1073b24ab676SJeff Bonwick static void 1074b24ab676SJeff Bonwick ztest_rll_lock(rll_t *rll, rl_type_t type) 1075b24ab676SJeff Bonwick { 1076b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 1077fa9e4066Sahrens 1078b24ab676SJeff Bonwick if (type == RL_READER) { 1079b24ab676SJeff Bonwick while (rll->rll_writer != NULL) 1080b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 1081b24ab676SJeff Bonwick rll->rll_readers++; 1082b24ab676SJeff Bonwick } else { 1083b24ab676SJeff Bonwick while (rll->rll_writer != NULL || rll->rll_readers) 1084b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 1085b24ab676SJeff Bonwick rll->rll_writer = curthread; 1086b24ab676SJeff Bonwick } 1087fa9e4066Sahrens 1088b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 1089b24ab676SJeff Bonwick } 1090fa9e4066Sahrens 1091b24ab676SJeff Bonwick static void 1092b24ab676SJeff Bonwick ztest_rll_unlock(rll_t *rll) 1093b24ab676SJeff Bonwick { 1094b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 1095fa9e4066Sahrens 1096b24ab676SJeff Bonwick if (rll->rll_writer) { 1097b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 1098b24ab676SJeff Bonwick rll->rll_writer = NULL; 1099b24ab676SJeff Bonwick } else { 1100b24ab676SJeff Bonwick ASSERT(rll->rll_readers != 0); 1101b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 1102b24ab676SJeff Bonwick rll->rll_readers--; 1103b24ab676SJeff Bonwick } 1104fa9e4066Sahrens 1105b24ab676SJeff Bonwick if (rll->rll_writer == NULL && rll->rll_readers == 0) 1106b24ab676SJeff Bonwick VERIFY(cond_broadcast(&rll->rll_cv) == 0); 1107b24ab676SJeff Bonwick 1108b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 1109fa9e4066Sahrens } 1110fa9e4066Sahrens 1111b24ab676SJeff Bonwick static void 1112b24ab676SJeff Bonwick ztest_object_lock(ztest_ds_t *zd, uint64_t object, rl_type_t type) 111331157203SJeff Bonwick { 1114b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 111531157203SJeff Bonwick 1116b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 1117b24ab676SJeff Bonwick } 111831157203SJeff Bonwick 1119b24ab676SJeff Bonwick static void 1120b24ab676SJeff Bonwick ztest_object_unlock(ztest_ds_t *zd, uint64_t object) 1121b24ab676SJeff Bonwick { 1122b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 112331157203SJeff Bonwick 1124b24ab676SJeff Bonwick ztest_rll_unlock(rll); 112531157203SJeff Bonwick } 112631157203SJeff Bonwick 1127b24ab676SJeff Bonwick static rl_t * 1128b24ab676SJeff Bonwick ztest_range_lock(ztest_ds_t *zd, uint64_t object, uint64_t offset, 1129b24ab676SJeff Bonwick uint64_t size, rl_type_t type) 113088ecc943SGeorge Wilson { 1131b24ab676SJeff Bonwick uint64_t hash = object ^ (offset % (ZTEST_RANGE_LOCKS + 1)); 1132b24ab676SJeff Bonwick rll_t *rll = &zd->zd_range_lock[hash & (ZTEST_RANGE_LOCKS - 1)]; 1133b24ab676SJeff Bonwick rl_t *rl; 113488ecc943SGeorge Wilson 1135b24ab676SJeff Bonwick rl = umem_alloc(sizeof (*rl), UMEM_NOFAIL); 1136b24ab676SJeff Bonwick rl->rl_object = object; 1137b24ab676SJeff Bonwick rl->rl_offset = offset; 1138b24ab676SJeff Bonwick rl->rl_size = size; 1139b24ab676SJeff Bonwick rl->rl_lock = rll; 114088ecc943SGeorge Wilson 1141b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 114288ecc943SGeorge Wilson 1143b24ab676SJeff Bonwick return (rl); 114488ecc943SGeorge Wilson } 114588ecc943SGeorge Wilson 1146b24ab676SJeff Bonwick static void 1147b24ab676SJeff Bonwick ztest_range_unlock(rl_t *rl) 1148fa9e4066Sahrens { 1149b24ab676SJeff Bonwick rll_t *rll = rl->rl_lock; 1150fa9e4066Sahrens 1151b24ab676SJeff Bonwick ztest_rll_unlock(rll); 1152fa9e4066Sahrens 1153b24ab676SJeff Bonwick umem_free(rl, sizeof (*rl)); 1154b24ab676SJeff Bonwick } 1155fa9e4066Sahrens 1156b24ab676SJeff Bonwick static void 1157420dfc95SChris Siden ztest_zd_init(ztest_ds_t *zd, ztest_shared_ds_t *szd, objset_t *os) 1158b24ab676SJeff Bonwick { 1159b24ab676SJeff Bonwick zd->zd_os = os; 1160b24ab676SJeff Bonwick zd->zd_zilog = dmu_objset_zil(os); 1161420dfc95SChris Siden zd->zd_shared = szd; 1162b24ab676SJeff Bonwick dmu_objset_name(os, zd->zd_name); 1163fa9e4066Sahrens 1164420dfc95SChris Siden if (zd->zd_shared != NULL) 1165420dfc95SChris Siden zd->zd_shared->zd_seq = 0; 1166420dfc95SChris Siden 1167c9ba2a43SEric Schrock VERIFY(rwlock_init(&zd->zd_zilog_lock, USYNC_THREAD, NULL) == 0); 1168b24ab676SJeff Bonwick VERIFY(_mutex_init(&zd->zd_dirobj_lock, USYNC_THREAD, NULL) == 0); 1169b24ab676SJeff Bonwick 1170b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1171b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_object_lock[l]); 1172b24ab676SJeff Bonwick 1173b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1174b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_range_lock[l]); 1175b24ab676SJeff Bonwick } 1176b24ab676SJeff Bonwick 1177b24ab676SJeff Bonwick static void 1178b24ab676SJeff Bonwick ztest_zd_fini(ztest_ds_t *zd) 1179b24ab676SJeff Bonwick { 1180b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&zd->zd_dirobj_lock) == 0); 1181b24ab676SJeff Bonwick 1182b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1183b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_object_lock[l]); 1184b24ab676SJeff Bonwick 1185b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1186b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_range_lock[l]); 1187b24ab676SJeff Bonwick } 1188b24ab676SJeff Bonwick 1189b24ab676SJeff Bonwick #define TXG_MIGHTWAIT (ztest_random(10) == 0 ? TXG_NOWAIT : TXG_WAIT) 1190b24ab676SJeff Bonwick 1191b24ab676SJeff Bonwick static uint64_t 1192b24ab676SJeff Bonwick ztest_tx_assign(dmu_tx_t *tx, uint64_t txg_how, const char *tag) 1193b24ab676SJeff Bonwick { 1194b24ab676SJeff Bonwick uint64_t txg; 1195b24ab676SJeff Bonwick int error; 1196b24ab676SJeff Bonwick 1197b24ab676SJeff Bonwick /* 1198b24ab676SJeff Bonwick * Attempt to assign tx to some transaction group. 1199b24ab676SJeff Bonwick */ 1200b24ab676SJeff Bonwick error = dmu_tx_assign(tx, txg_how); 1201b24ab676SJeff Bonwick if (error) { 1202b24ab676SJeff Bonwick if (error == ERESTART) { 1203b24ab676SJeff Bonwick ASSERT(txg_how == TXG_NOWAIT); 1204b24ab676SJeff Bonwick dmu_tx_wait(tx); 1205b24ab676SJeff Bonwick } else { 1206b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1207b24ab676SJeff Bonwick ztest_record_enospc(tag); 1208b24ab676SJeff Bonwick } 1209b24ab676SJeff Bonwick dmu_tx_abort(tx); 1210b24ab676SJeff Bonwick return (0); 1211b24ab676SJeff Bonwick } 1212b24ab676SJeff Bonwick txg = dmu_tx_get_txg(tx); 1213b24ab676SJeff Bonwick ASSERT(txg != 0); 1214b24ab676SJeff Bonwick return (txg); 1215b24ab676SJeff Bonwick } 1216b24ab676SJeff Bonwick 1217b24ab676SJeff Bonwick static void 1218b24ab676SJeff Bonwick ztest_pattern_set(void *buf, uint64_t size, uint64_t value) 1219b24ab676SJeff Bonwick { 1220b24ab676SJeff Bonwick uint64_t *ip = buf; 1221b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1222b24ab676SJeff Bonwick 1223b24ab676SJeff Bonwick while (ip < ip_end) 1224b24ab676SJeff Bonwick *ip++ = value; 1225b24ab676SJeff Bonwick } 1226b24ab676SJeff Bonwick 1227b24ab676SJeff Bonwick static boolean_t 1228b24ab676SJeff Bonwick ztest_pattern_match(void *buf, uint64_t size, uint64_t value) 1229b24ab676SJeff Bonwick { 1230b24ab676SJeff Bonwick uint64_t *ip = buf; 1231b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1232b24ab676SJeff Bonwick uint64_t diff = 0; 1233b24ab676SJeff Bonwick 1234b24ab676SJeff Bonwick while (ip < ip_end) 1235b24ab676SJeff Bonwick diff |= (value - *ip++); 1236b24ab676SJeff Bonwick 1237b24ab676SJeff Bonwick return (diff == 0); 1238b24ab676SJeff Bonwick } 1239b24ab676SJeff Bonwick 1240b24ab676SJeff Bonwick static void 1241b24ab676SJeff Bonwick ztest_bt_generate(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1242b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1243b24ab676SJeff Bonwick { 1244b24ab676SJeff Bonwick bt->bt_magic = BT_MAGIC; 1245b24ab676SJeff Bonwick bt->bt_objset = dmu_objset_id(os); 1246b24ab676SJeff Bonwick bt->bt_object = object; 1247b24ab676SJeff Bonwick bt->bt_offset = offset; 1248b24ab676SJeff Bonwick bt->bt_gen = gen; 1249b24ab676SJeff Bonwick bt->bt_txg = txg; 1250b24ab676SJeff Bonwick bt->bt_crtxg = crtxg; 1251b24ab676SJeff Bonwick } 1252b24ab676SJeff Bonwick 1253b24ab676SJeff Bonwick static void 1254b24ab676SJeff Bonwick ztest_bt_verify(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1255b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1256b24ab676SJeff Bonwick { 1257b24ab676SJeff Bonwick ASSERT(bt->bt_magic == BT_MAGIC); 1258b24ab676SJeff Bonwick ASSERT(bt->bt_objset == dmu_objset_id(os)); 1259b24ab676SJeff Bonwick ASSERT(bt->bt_object == object); 1260b24ab676SJeff Bonwick ASSERT(bt->bt_offset == offset); 1261b24ab676SJeff Bonwick ASSERT(bt->bt_gen <= gen); 1262b24ab676SJeff Bonwick ASSERT(bt->bt_txg <= txg); 1263b24ab676SJeff Bonwick ASSERT(bt->bt_crtxg == crtxg); 1264b24ab676SJeff Bonwick } 1265b24ab676SJeff Bonwick 1266b24ab676SJeff Bonwick static ztest_block_tag_t * 1267b24ab676SJeff Bonwick ztest_bt_bonus(dmu_buf_t *db) 1268b24ab676SJeff Bonwick { 1269b24ab676SJeff Bonwick dmu_object_info_t doi; 1270b24ab676SJeff Bonwick ztest_block_tag_t *bt; 1271b24ab676SJeff Bonwick 1272b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1273b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, <=, db->db_size); 1274b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, >=, sizeof (*bt)); 1275b24ab676SJeff Bonwick bt = (void *)((char *)db->db_data + doi.doi_bonus_size - sizeof (*bt)); 1276b24ab676SJeff Bonwick 1277b24ab676SJeff Bonwick return (bt); 1278b24ab676SJeff Bonwick } 1279b24ab676SJeff Bonwick 1280b24ab676SJeff Bonwick /* 1281b24ab676SJeff Bonwick * ZIL logging ops 1282b24ab676SJeff Bonwick */ 1283b24ab676SJeff Bonwick 1284b24ab676SJeff Bonwick #define lrz_type lr_mode 1285b24ab676SJeff Bonwick #define lrz_blocksize lr_uid 1286b24ab676SJeff Bonwick #define lrz_ibshift lr_gid 1287b24ab676SJeff Bonwick #define lrz_bonustype lr_rdev 1288b24ab676SJeff Bonwick #define lrz_bonuslen lr_crtime[1] 1289b24ab676SJeff Bonwick 12905002558fSNeil Perrin static void 1291b24ab676SJeff Bonwick ztest_log_create(ztest_ds_t *zd, dmu_tx_t *tx, lr_create_t *lr) 1292b24ab676SJeff Bonwick { 1293b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1294b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1295b24ab676SJeff Bonwick itx_t *itx; 1296b24ab676SJeff Bonwick 1297b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 12985002558fSNeil Perrin return; 1299b24ab676SJeff Bonwick 1300b24ab676SJeff Bonwick itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize); 1301b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1302b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1303b24ab676SJeff Bonwick 13045002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1305b24ab676SJeff Bonwick } 1306b24ab676SJeff Bonwick 13075002558fSNeil Perrin static void 13085002558fSNeil Perrin ztest_log_remove(ztest_ds_t *zd, dmu_tx_t *tx, lr_remove_t *lr, uint64_t object) 1309b24ab676SJeff Bonwick { 1310b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1311b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1312b24ab676SJeff Bonwick itx_t *itx; 1313b24ab676SJeff Bonwick 1314b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13155002558fSNeil Perrin return; 1316b24ab676SJeff Bonwick 1317b24ab676SJeff Bonwick itx = zil_itx_create(TX_REMOVE, sizeof (*lr) + namesize); 1318b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1319b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1320b24ab676SJeff Bonwick 132151bd2f97SNeil Perrin itx->itx_oid = object; 13225002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1323b24ab676SJeff Bonwick } 1324b24ab676SJeff Bonwick 13255002558fSNeil Perrin static void 1326b24ab676SJeff Bonwick ztest_log_write(ztest_ds_t *zd, dmu_tx_t *tx, lr_write_t *lr) 1327b24ab676SJeff Bonwick { 1328b24ab676SJeff Bonwick itx_t *itx; 1329b24ab676SJeff Bonwick itx_wr_state_t write_state = ztest_random(WR_NUM_STATES); 1330b24ab676SJeff Bonwick 1331b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13325002558fSNeil Perrin return; 1333b24ab676SJeff Bonwick 1334b24ab676SJeff Bonwick if (lr->lr_length > ZIL_MAX_LOG_DATA) 1335b24ab676SJeff Bonwick write_state = WR_INDIRECT; 1336b24ab676SJeff Bonwick 1337b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, 1338b24ab676SJeff Bonwick sizeof (*lr) + (write_state == WR_COPIED ? lr->lr_length : 0)); 1339b24ab676SJeff Bonwick 1340b24ab676SJeff Bonwick if (write_state == WR_COPIED && 1341b24ab676SJeff Bonwick dmu_read(zd->zd_os, lr->lr_foid, lr->lr_offset, lr->lr_length, 1342b24ab676SJeff Bonwick ((lr_write_t *)&itx->itx_lr) + 1, DMU_READ_NO_PREFETCH) != 0) { 1343b24ab676SJeff Bonwick zil_itx_destroy(itx); 1344b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, sizeof (*lr)); 1345b24ab676SJeff Bonwick write_state = WR_NEED_COPY; 1346b24ab676SJeff Bonwick } 1347b24ab676SJeff Bonwick itx->itx_private = zd; 1348b24ab676SJeff Bonwick itx->itx_wr_state = write_state; 1349b24ab676SJeff Bonwick itx->itx_sync = (ztest_random(8) == 0); 1350b24ab676SJeff Bonwick itx->itx_sod += (write_state == WR_NEED_COPY ? lr->lr_length : 0); 1351b24ab676SJeff Bonwick 1352b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1353b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1354b24ab676SJeff Bonwick 13555002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1356b24ab676SJeff Bonwick } 1357b24ab676SJeff Bonwick 13585002558fSNeil Perrin static void 1359b24ab676SJeff Bonwick ztest_log_truncate(ztest_ds_t *zd, dmu_tx_t *tx, lr_truncate_t *lr) 1360b24ab676SJeff Bonwick { 1361b24ab676SJeff Bonwick itx_t *itx; 1362b24ab676SJeff Bonwick 1363b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13645002558fSNeil Perrin return; 1365b24ab676SJeff Bonwick 1366b24ab676SJeff Bonwick itx = zil_itx_create(TX_TRUNCATE, sizeof (*lr)); 1367b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1368b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1369b24ab676SJeff Bonwick 13705002558fSNeil Perrin itx->itx_sync = B_FALSE; 13715002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1372b24ab676SJeff Bonwick } 1373b24ab676SJeff Bonwick 13745002558fSNeil Perrin static void 1375b24ab676SJeff Bonwick ztest_log_setattr(ztest_ds_t *zd, dmu_tx_t *tx, lr_setattr_t *lr) 1376b24ab676SJeff Bonwick { 1377b24ab676SJeff Bonwick itx_t *itx; 1378b24ab676SJeff Bonwick 1379b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13805002558fSNeil Perrin return; 1381b24ab676SJeff Bonwick 1382b24ab676SJeff Bonwick itx = zil_itx_create(TX_SETATTR, sizeof (*lr)); 1383b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1384b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1385b24ab676SJeff Bonwick 13865002558fSNeil Perrin itx->itx_sync = B_FALSE; 13875002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1388b24ab676SJeff Bonwick } 1389b24ab676SJeff Bonwick 1390b24ab676SJeff Bonwick /* 1391b24ab676SJeff Bonwick * ZIL replay ops 1392b24ab676SJeff Bonwick */ 1393b24ab676SJeff Bonwick static int 1394b24ab676SJeff Bonwick ztest_replay_create(ztest_ds_t *zd, lr_create_t *lr, boolean_t byteswap) 1395b24ab676SJeff Bonwick { 1396b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1397b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1398b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1399b24ab676SJeff Bonwick dmu_buf_t *db; 1400b24ab676SJeff Bonwick dmu_tx_t *tx; 1401b24ab676SJeff Bonwick uint64_t txg; 1402b24ab676SJeff Bonwick int error = 0; 1403b24ab676SJeff Bonwick 1404b24ab676SJeff Bonwick if (byteswap) 1405b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1406b24ab676SJeff Bonwick 1407b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1408b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1409b24ab676SJeff Bonwick 1410b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1411b24ab676SJeff Bonwick 1412b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_TRUE, name); 1413b24ab676SJeff Bonwick 1414b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1415b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); 1416b24ab676SJeff Bonwick } else { 1417b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1418b24ab676SJeff Bonwick } 1419b24ab676SJeff Bonwick 1420b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1421b24ab676SJeff Bonwick if (txg == 0) 1422b24ab676SJeff Bonwick return (ENOSPC); 1423b24ab676SJeff Bonwick 1424b24ab676SJeff Bonwick ASSERT(dmu_objset_zil(os)->zl_replay == !!lr->lr_foid); 1425b24ab676SJeff Bonwick 1426b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1427b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1428b24ab676SJeff Bonwick lr->lr_foid = zap_create(os, 1429b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1430b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1431b24ab676SJeff Bonwick } else { 1432b24ab676SJeff Bonwick error = zap_create_claim(os, lr->lr_foid, 1433b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1434b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1435b24ab676SJeff Bonwick } 1436b24ab676SJeff Bonwick } else { 1437b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1438b24ab676SJeff Bonwick lr->lr_foid = dmu_object_alloc(os, 1439b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1440b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1441b24ab676SJeff Bonwick } else { 1442b24ab676SJeff Bonwick error = dmu_object_claim(os, lr->lr_foid, 1443b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1444b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1445b24ab676SJeff Bonwick } 1446b24ab676SJeff Bonwick } 1447b24ab676SJeff Bonwick 1448b24ab676SJeff Bonwick if (error) { 1449b24ab676SJeff Bonwick ASSERT3U(error, ==, EEXIST); 1450b24ab676SJeff Bonwick ASSERT(zd->zd_zilog->zl_replay); 1451b24ab676SJeff Bonwick dmu_tx_commit(tx); 1452b24ab676SJeff Bonwick return (error); 1453b24ab676SJeff Bonwick } 1454b24ab676SJeff Bonwick 1455b24ab676SJeff Bonwick ASSERT(lr->lr_foid != 0); 1456b24ab676SJeff Bonwick 1457b24ab676SJeff Bonwick if (lr->lrz_type != DMU_OT_ZAP_OTHER) 1458b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_set_blocksize(os, lr->lr_foid, 1459b24ab676SJeff Bonwick lr->lrz_blocksize, lr->lrz_ibshift, tx)); 1460b24ab676SJeff Bonwick 1461b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1462b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1463b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1464b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_gen, txg, txg); 1465b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1466b24ab676SJeff Bonwick 1467b420f3adSRichard Lowe VERIFY3U(0, ==, zap_add(os, lr->lr_doid, name, sizeof (uint64_t), 1, 1468b24ab676SJeff Bonwick &lr->lr_foid, tx)); 1469b24ab676SJeff Bonwick 1470b24ab676SJeff Bonwick (void) ztest_log_create(zd, tx, lr); 1471b24ab676SJeff Bonwick 1472b24ab676SJeff Bonwick dmu_tx_commit(tx); 1473b24ab676SJeff Bonwick 1474b24ab676SJeff Bonwick return (0); 1475b24ab676SJeff Bonwick } 1476b24ab676SJeff Bonwick 1477b24ab676SJeff Bonwick static int 1478b24ab676SJeff Bonwick ztest_replay_remove(ztest_ds_t *zd, lr_remove_t *lr, boolean_t byteswap) 1479b24ab676SJeff Bonwick { 1480b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1481b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1482b24ab676SJeff Bonwick dmu_object_info_t doi; 1483b24ab676SJeff Bonwick dmu_tx_t *tx; 1484b24ab676SJeff Bonwick uint64_t object, txg; 1485b24ab676SJeff Bonwick 1486b24ab676SJeff Bonwick if (byteswap) 1487b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1488b24ab676SJeff Bonwick 1489b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1490b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1491b24ab676SJeff Bonwick 1492b420f3adSRichard Lowe VERIFY3U(0, ==, 1493b24ab676SJeff Bonwick zap_lookup(os, lr->lr_doid, name, sizeof (object), 1, &object)); 1494b24ab676SJeff Bonwick ASSERT(object != 0); 1495b24ab676SJeff Bonwick 1496b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_WRITER); 1497b24ab676SJeff Bonwick 1498b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_info(os, object, &doi)); 1499b24ab676SJeff Bonwick 1500b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1501b24ab676SJeff Bonwick 1502b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_FALSE, name); 1503b24ab676SJeff Bonwick dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1504b24ab676SJeff Bonwick 1505b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1506b24ab676SJeff Bonwick if (txg == 0) { 1507b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1508b24ab676SJeff Bonwick return (ENOSPC); 1509b24ab676SJeff Bonwick } 1510b24ab676SJeff Bonwick 1511b24ab676SJeff Bonwick if (doi.doi_type == DMU_OT_ZAP_OTHER) { 1512b420f3adSRichard Lowe VERIFY3U(0, ==, zap_destroy(os, object, tx)); 1513b24ab676SJeff Bonwick } else { 1514b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_free(os, object, tx)); 1515b24ab676SJeff Bonwick } 1516b24ab676SJeff Bonwick 1517b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, lr->lr_doid, name, tx)); 1518b24ab676SJeff Bonwick 15195002558fSNeil Perrin (void) ztest_log_remove(zd, tx, lr, object); 1520b24ab676SJeff Bonwick 1521b24ab676SJeff Bonwick dmu_tx_commit(tx); 1522b24ab676SJeff Bonwick 1523b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1524b24ab676SJeff Bonwick 1525b24ab676SJeff Bonwick return (0); 1526b24ab676SJeff Bonwick } 1527b24ab676SJeff Bonwick 1528b24ab676SJeff Bonwick static int 1529b24ab676SJeff Bonwick ztest_replay_write(ztest_ds_t *zd, lr_write_t *lr, boolean_t byteswap) 1530b24ab676SJeff Bonwick { 1531b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1532b24ab676SJeff Bonwick void *data = lr + 1; /* data follows lr */ 1533b24ab676SJeff Bonwick uint64_t offset, length; 1534b24ab676SJeff Bonwick ztest_block_tag_t *bt = data; 1535b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1536b24ab676SJeff Bonwick uint64_t gen, txg, lrtxg, crtxg; 1537b24ab676SJeff Bonwick dmu_object_info_t doi; 1538b24ab676SJeff Bonwick dmu_tx_t *tx; 1539b24ab676SJeff Bonwick dmu_buf_t *db; 1540b24ab676SJeff Bonwick arc_buf_t *abuf = NULL; 1541b24ab676SJeff Bonwick rl_t *rl; 1542b24ab676SJeff Bonwick 1543b24ab676SJeff Bonwick if (byteswap) 1544b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1545b24ab676SJeff Bonwick 1546b24ab676SJeff Bonwick offset = lr->lr_offset; 1547b24ab676SJeff Bonwick length = lr->lr_length; 1548b24ab676SJeff Bonwick 1549b24ab676SJeff Bonwick /* If it's a dmu_sync() block, write the whole block */ 1550b24ab676SJeff Bonwick if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 1551b24ab676SJeff Bonwick uint64_t blocksize = BP_GET_LSIZE(&lr->lr_blkptr); 1552b24ab676SJeff Bonwick if (length < blocksize) { 1553b24ab676SJeff Bonwick offset -= offset % blocksize; 1554b24ab676SJeff Bonwick length = blocksize; 1555b24ab676SJeff Bonwick } 1556b24ab676SJeff Bonwick } 1557b24ab676SJeff Bonwick 1558b24ab676SJeff Bonwick if (bt->bt_magic == BSWAP_64(BT_MAGIC)) 1559b24ab676SJeff Bonwick byteswap_uint64_array(bt, sizeof (*bt)); 1560b24ab676SJeff Bonwick 1561b24ab676SJeff Bonwick if (bt->bt_magic != BT_MAGIC) 1562b24ab676SJeff Bonwick bt = NULL; 1563b24ab676SJeff Bonwick 1564b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1565b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, offset, length, RL_WRITER); 1566b24ab676SJeff Bonwick 1567b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1568b24ab676SJeff Bonwick 1569b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1570b24ab676SJeff Bonwick 1571b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1572b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1573b24ab676SJeff Bonwick gen = bbt->bt_gen; 1574b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1575b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1576b24ab676SJeff Bonwick 1577b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1578b24ab676SJeff Bonwick 1579b24ab676SJeff Bonwick dmu_tx_hold_write(tx, lr->lr_foid, offset, length); 1580b24ab676SJeff Bonwick 1581b24ab676SJeff Bonwick if (ztest_random(8) == 0 && length == doi.doi_data_block_size && 1582b24ab676SJeff Bonwick P2PHASE(offset, length) == 0) 1583b24ab676SJeff Bonwick abuf = dmu_request_arcbuf(db, length); 1584b24ab676SJeff Bonwick 1585b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1586b24ab676SJeff Bonwick if (txg == 0) { 1587b24ab676SJeff Bonwick if (abuf != NULL) 1588b24ab676SJeff Bonwick dmu_return_arcbuf(abuf); 1589b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1590b24ab676SJeff Bonwick ztest_range_unlock(rl); 1591b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1592b24ab676SJeff Bonwick return (ENOSPC); 1593b24ab676SJeff Bonwick } 1594b24ab676SJeff Bonwick 1595b24ab676SJeff Bonwick if (bt != NULL) { 1596b24ab676SJeff Bonwick /* 1597b24ab676SJeff Bonwick * Usually, verify the old data before writing new data -- 1598b24ab676SJeff Bonwick * but not always, because we also want to verify correct 1599b24ab676SJeff Bonwick * behavior when the data was not recently read into cache. 1600b24ab676SJeff Bonwick */ 1601b24ab676SJeff Bonwick ASSERT(offset % doi.doi_data_block_size == 0); 1602b24ab676SJeff Bonwick if (ztest_random(4) != 0) { 1603b24ab676SJeff Bonwick int prefetch = ztest_random(2) ? 1604b24ab676SJeff Bonwick DMU_READ_PREFETCH : DMU_READ_NO_PREFETCH; 1605b24ab676SJeff Bonwick ztest_block_tag_t rbt; 1606b24ab676SJeff Bonwick 1607b24ab676SJeff Bonwick VERIFY(dmu_read(os, lr->lr_foid, offset, 1608b24ab676SJeff Bonwick sizeof (rbt), &rbt, prefetch) == 0); 1609b24ab676SJeff Bonwick if (rbt.bt_magic == BT_MAGIC) { 1610b24ab676SJeff Bonwick ztest_bt_verify(&rbt, os, lr->lr_foid, 1611b24ab676SJeff Bonwick offset, gen, txg, crtxg); 1612b24ab676SJeff Bonwick } 1613b24ab676SJeff Bonwick } 1614b24ab676SJeff Bonwick 1615b24ab676SJeff Bonwick /* 1616b24ab676SJeff Bonwick * Writes can appear to be newer than the bonus buffer because 1617b24ab676SJeff Bonwick * the ztest_get_data() callback does a dmu_read() of the 1618b24ab676SJeff Bonwick * open-context data, which may be different than the data 1619b24ab676SJeff Bonwick * as it was when the write was generated. 1620b24ab676SJeff Bonwick */ 1621b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1622b24ab676SJeff Bonwick ztest_bt_verify(bt, os, lr->lr_foid, offset, 1623b24ab676SJeff Bonwick MAX(gen, bt->bt_gen), MAX(txg, lrtxg), 1624b24ab676SJeff Bonwick bt->bt_crtxg); 1625b24ab676SJeff Bonwick } 1626b24ab676SJeff Bonwick 1627b24ab676SJeff Bonwick /* 1628b24ab676SJeff Bonwick * Set the bt's gen/txg to the bonus buffer's gen/txg 1629b24ab676SJeff Bonwick * so that all of the usual ASSERTs will work. 1630b24ab676SJeff Bonwick */ 1631b24ab676SJeff Bonwick ztest_bt_generate(bt, os, lr->lr_foid, offset, gen, txg, crtxg); 1632b24ab676SJeff Bonwick } 1633b24ab676SJeff Bonwick 1634b24ab676SJeff Bonwick if (abuf == NULL) { 1635b24ab676SJeff Bonwick dmu_write(os, lr->lr_foid, offset, length, data, tx); 1636b24ab676SJeff Bonwick } else { 1637b24ab676SJeff Bonwick bcopy(data, abuf->b_data, length); 1638b24ab676SJeff Bonwick dmu_assign_arcbuf(db, offset, abuf, tx); 1639b24ab676SJeff Bonwick } 1640b24ab676SJeff Bonwick 1641b24ab676SJeff Bonwick (void) ztest_log_write(zd, tx, lr); 1642b24ab676SJeff Bonwick 1643b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1644b24ab676SJeff Bonwick 1645b24ab676SJeff Bonwick dmu_tx_commit(tx); 1646b24ab676SJeff Bonwick 1647b24ab676SJeff Bonwick ztest_range_unlock(rl); 1648b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1649b24ab676SJeff Bonwick 1650b24ab676SJeff Bonwick return (0); 1651b24ab676SJeff Bonwick } 1652b24ab676SJeff Bonwick 1653b24ab676SJeff Bonwick static int 1654b24ab676SJeff Bonwick ztest_replay_truncate(ztest_ds_t *zd, lr_truncate_t *lr, boolean_t byteswap) 1655b24ab676SJeff Bonwick { 1656b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1657b24ab676SJeff Bonwick dmu_tx_t *tx; 1658b24ab676SJeff Bonwick uint64_t txg; 1659b24ab676SJeff Bonwick rl_t *rl; 1660b24ab676SJeff Bonwick 1661b24ab676SJeff Bonwick if (byteswap) 1662b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1663b24ab676SJeff Bonwick 1664b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1665b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, lr->lr_offset, lr->lr_length, 1666b24ab676SJeff Bonwick RL_WRITER); 1667b24ab676SJeff Bonwick 1668b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1669b24ab676SJeff Bonwick 1670b24ab676SJeff Bonwick dmu_tx_hold_free(tx, lr->lr_foid, lr->lr_offset, lr->lr_length); 1671b24ab676SJeff Bonwick 1672b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1673b24ab676SJeff Bonwick if (txg == 0) { 1674b24ab676SJeff Bonwick ztest_range_unlock(rl); 1675b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1676b24ab676SJeff Bonwick return (ENOSPC); 1677b24ab676SJeff Bonwick } 1678b24ab676SJeff Bonwick 1679b24ab676SJeff Bonwick VERIFY(dmu_free_range(os, lr->lr_foid, lr->lr_offset, 1680b24ab676SJeff Bonwick lr->lr_length, tx) == 0); 1681b24ab676SJeff Bonwick 1682b24ab676SJeff Bonwick (void) ztest_log_truncate(zd, tx, lr); 1683b24ab676SJeff Bonwick 1684b24ab676SJeff Bonwick dmu_tx_commit(tx); 1685b24ab676SJeff Bonwick 1686b24ab676SJeff Bonwick ztest_range_unlock(rl); 1687b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1688b24ab676SJeff Bonwick 1689b24ab676SJeff Bonwick return (0); 1690b24ab676SJeff Bonwick } 1691b24ab676SJeff Bonwick 1692b24ab676SJeff Bonwick static int 1693b24ab676SJeff Bonwick ztest_replay_setattr(ztest_ds_t *zd, lr_setattr_t *lr, boolean_t byteswap) 1694b24ab676SJeff Bonwick { 1695b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1696b24ab676SJeff Bonwick dmu_tx_t *tx; 1697b24ab676SJeff Bonwick dmu_buf_t *db; 1698b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1699b24ab676SJeff Bonwick uint64_t txg, lrtxg, crtxg; 1700b24ab676SJeff Bonwick 1701b24ab676SJeff Bonwick if (byteswap) 1702b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1703b24ab676SJeff Bonwick 1704b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_WRITER); 1705b24ab676SJeff Bonwick 1706b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1707b24ab676SJeff Bonwick 1708b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1709b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, lr->lr_foid); 1710b24ab676SJeff Bonwick 1711b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1712b24ab676SJeff Bonwick if (txg == 0) { 1713b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1714b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1715b24ab676SJeff Bonwick return (ENOSPC); 1716b24ab676SJeff Bonwick } 1717b24ab676SJeff Bonwick 1718b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1719b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1720b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1721b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1722b24ab676SJeff Bonwick 1723b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1724b24ab676SJeff Bonwick ASSERT(lr->lr_size != 0); 1725b24ab676SJeff Bonwick ASSERT(lr->lr_mode != 0); 1726b24ab676SJeff Bonwick ASSERT(lrtxg != 0); 1727b24ab676SJeff Bonwick } else { 1728b24ab676SJeff Bonwick /* 1729b24ab676SJeff Bonwick * Randomly change the size and increment the generation. 1730b24ab676SJeff Bonwick */ 1731b24ab676SJeff Bonwick lr->lr_size = (ztest_random(db->db_size / sizeof (*bbt)) + 1) * 1732b24ab676SJeff Bonwick sizeof (*bbt); 1733b24ab676SJeff Bonwick lr->lr_mode = bbt->bt_gen + 1; 1734b24ab676SJeff Bonwick ASSERT(lrtxg == 0); 1735b24ab676SJeff Bonwick } 1736b24ab676SJeff Bonwick 1737b24ab676SJeff Bonwick /* 1738b24ab676SJeff Bonwick * Verify that the current bonus buffer is not newer than our txg. 1739b24ab676SJeff Bonwick */ 1740b24ab676SJeff Bonwick ztest_bt_verify(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, 1741b24ab676SJeff Bonwick MAX(txg, lrtxg), crtxg); 1742b24ab676SJeff Bonwick 1743b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1744b24ab676SJeff Bonwick 1745b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, >=, sizeof (*bbt)); 1746b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, <=, db->db_size); 1747fb09f5aaSMadhav Suresh VERIFY0(dmu_set_bonus(db, lr->lr_size, tx)); 1748b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1749b24ab676SJeff Bonwick 1750b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, txg, crtxg); 1751b24ab676SJeff Bonwick 1752b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1753b24ab676SJeff Bonwick 1754b24ab676SJeff Bonwick (void) ztest_log_setattr(zd, tx, lr); 1755b24ab676SJeff Bonwick 1756b24ab676SJeff Bonwick dmu_tx_commit(tx); 1757b24ab676SJeff Bonwick 1758b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1759b24ab676SJeff Bonwick 1760b24ab676SJeff Bonwick return (0); 1761b24ab676SJeff Bonwick } 1762b24ab676SJeff Bonwick 1763b24ab676SJeff Bonwick zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 1764b24ab676SJeff Bonwick NULL, /* 0 no such transaction type */ 1765b24ab676SJeff Bonwick ztest_replay_create, /* TX_CREATE */ 1766b24ab676SJeff Bonwick NULL, /* TX_MKDIR */ 1767b24ab676SJeff Bonwick NULL, /* TX_MKXATTR */ 1768b24ab676SJeff Bonwick NULL, /* TX_SYMLINK */ 1769b24ab676SJeff Bonwick ztest_replay_remove, /* TX_REMOVE */ 1770b24ab676SJeff Bonwick NULL, /* TX_RMDIR */ 1771b24ab676SJeff Bonwick NULL, /* TX_LINK */ 1772b24ab676SJeff Bonwick NULL, /* TX_RENAME */ 1773b24ab676SJeff Bonwick ztest_replay_write, /* TX_WRITE */ 1774b24ab676SJeff Bonwick ztest_replay_truncate, /* TX_TRUNCATE */ 1775b24ab676SJeff Bonwick ztest_replay_setattr, /* TX_SETATTR */ 1776b24ab676SJeff Bonwick NULL, /* TX_ACL */ 1777b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL */ 1778b24ab676SJeff Bonwick NULL, /* TX_CREATE_ATTR */ 1779b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL_ATTR */ 1780b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL */ 1781b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ATTR */ 1782b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL_ATTR */ 1783b24ab676SJeff Bonwick NULL, /* TX_WRITE2 */ 1784b24ab676SJeff Bonwick }; 1785b24ab676SJeff Bonwick 1786b24ab676SJeff Bonwick /* 1787b24ab676SJeff Bonwick * ZIL get_data callbacks 1788b24ab676SJeff Bonwick */ 1789b24ab676SJeff Bonwick 1790b24ab676SJeff Bonwick static void 1791b24ab676SJeff Bonwick ztest_get_done(zgd_t *zgd, int error) 1792b24ab676SJeff Bonwick { 1793b24ab676SJeff Bonwick ztest_ds_t *zd = zgd->zgd_private; 1794b24ab676SJeff Bonwick uint64_t object = zgd->zgd_rl->rl_object; 1795b24ab676SJeff Bonwick 1796b24ab676SJeff Bonwick if (zgd->zgd_db) 1797b24ab676SJeff Bonwick dmu_buf_rele(zgd->zgd_db, zgd); 1798b24ab676SJeff Bonwick 1799b24ab676SJeff Bonwick ztest_range_unlock(zgd->zgd_rl); 1800b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1801b24ab676SJeff Bonwick 1802b24ab676SJeff Bonwick if (error == 0 && zgd->zgd_bp) 1803b24ab676SJeff Bonwick zil_add_block(zgd->zgd_zilog, zgd->zgd_bp); 1804b24ab676SJeff Bonwick 1805b24ab676SJeff Bonwick umem_free(zgd, sizeof (*zgd)); 1806b24ab676SJeff Bonwick } 1807b24ab676SJeff Bonwick 1808b24ab676SJeff Bonwick static int 1809b24ab676SJeff Bonwick ztest_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio) 1810b24ab676SJeff Bonwick { 1811b24ab676SJeff Bonwick ztest_ds_t *zd = arg; 1812b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1813b24ab676SJeff Bonwick uint64_t object = lr->lr_foid; 1814b24ab676SJeff Bonwick uint64_t offset = lr->lr_offset; 1815b24ab676SJeff Bonwick uint64_t size = lr->lr_length; 1816b24ab676SJeff Bonwick blkptr_t *bp = &lr->lr_blkptr; 1817b24ab676SJeff Bonwick uint64_t txg = lr->lr_common.lrc_txg; 1818b24ab676SJeff Bonwick uint64_t crtxg; 1819b24ab676SJeff Bonwick dmu_object_info_t doi; 1820b24ab676SJeff Bonwick dmu_buf_t *db; 1821b24ab676SJeff Bonwick zgd_t *zgd; 1822b24ab676SJeff Bonwick int error; 1823b24ab676SJeff Bonwick 1824b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 1825b24ab676SJeff Bonwick error = dmu_bonus_hold(os, object, FTAG, &db); 1826b24ab676SJeff Bonwick if (error) { 1827b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1828b24ab676SJeff Bonwick return (error); 1829b24ab676SJeff Bonwick } 1830b24ab676SJeff Bonwick 1831b24ab676SJeff Bonwick crtxg = ztest_bt_bonus(db)->bt_crtxg; 1832b24ab676SJeff Bonwick 1833b24ab676SJeff Bonwick if (crtxg == 0 || crtxg > txg) { 1834b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1835b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1836b24ab676SJeff Bonwick return (ENOENT); 1837b24ab676SJeff Bonwick } 1838b24ab676SJeff Bonwick 1839b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1840b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1841b24ab676SJeff Bonwick db = NULL; 1842b24ab676SJeff Bonwick 1843b24ab676SJeff Bonwick zgd = umem_zalloc(sizeof (*zgd), UMEM_NOFAIL); 1844b24ab676SJeff Bonwick zgd->zgd_zilog = zd->zd_zilog; 1845b24ab676SJeff Bonwick zgd->zgd_private = zd; 1846b24ab676SJeff Bonwick 1847b24ab676SJeff Bonwick if (buf != NULL) { /* immediate write */ 1848b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1849b24ab676SJeff Bonwick RL_READER); 1850b24ab676SJeff Bonwick 1851b24ab676SJeff Bonwick error = dmu_read(os, object, offset, size, buf, 1852b24ab676SJeff Bonwick DMU_READ_NO_PREFETCH); 1853b24ab676SJeff Bonwick ASSERT(error == 0); 1854b24ab676SJeff Bonwick } else { 1855b24ab676SJeff Bonwick size = doi.doi_data_block_size; 1856dfe73b3dSJeff Bonwick if (ISP2(size)) { 1857b24ab676SJeff Bonwick offset = P2ALIGN(offset, size); 1858dfe73b3dSJeff Bonwick } else { 1859dfe73b3dSJeff Bonwick ASSERT(offset < size); 1860dfe73b3dSJeff Bonwick offset = 0; 1861dfe73b3dSJeff Bonwick } 1862b24ab676SJeff Bonwick 1863b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1864b24ab676SJeff Bonwick RL_READER); 1865b24ab676SJeff Bonwick 186647cb52daSJeff Bonwick error = dmu_buf_hold(os, object, offset, zgd, &db, 186747cb52daSJeff Bonwick DMU_READ_NO_PREFETCH); 1868b24ab676SJeff Bonwick 1869b24ab676SJeff Bonwick if (error == 0) { 187080901aeaSGeorge Wilson blkptr_t *obp = dmu_buf_get_blkptr(db); 187180901aeaSGeorge Wilson if (obp) { 187280901aeaSGeorge Wilson ASSERT(BP_IS_HOLE(bp)); 187380901aeaSGeorge Wilson *bp = *obp; 187480901aeaSGeorge Wilson } 187580901aeaSGeorge Wilson 1876b24ab676SJeff Bonwick zgd->zgd_db = db; 1877b24ab676SJeff Bonwick zgd->zgd_bp = bp; 1878b24ab676SJeff Bonwick 1879b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 1880b24ab676SJeff Bonwick ASSERT(db->db_size == size); 1881b24ab676SJeff Bonwick 1882b24ab676SJeff Bonwick error = dmu_sync(zio, lr->lr_common.lrc_txg, 1883b24ab676SJeff Bonwick ztest_get_done, zgd); 1884b24ab676SJeff Bonwick 1885b24ab676SJeff Bonwick if (error == 0) 1886b24ab676SJeff Bonwick return (0); 1887b24ab676SJeff Bonwick } 1888b24ab676SJeff Bonwick } 1889b24ab676SJeff Bonwick 1890b24ab676SJeff Bonwick ztest_get_done(zgd, error); 1891b24ab676SJeff Bonwick 1892b24ab676SJeff Bonwick return (error); 1893b24ab676SJeff Bonwick } 1894b24ab676SJeff Bonwick 1895b24ab676SJeff Bonwick static void * 1896b24ab676SJeff Bonwick ztest_lr_alloc(size_t lrsize, char *name) 1897b24ab676SJeff Bonwick { 1898b24ab676SJeff Bonwick char *lr; 1899b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1900b24ab676SJeff Bonwick 1901b24ab676SJeff Bonwick lr = umem_zalloc(lrsize + namesize, UMEM_NOFAIL); 1902b24ab676SJeff Bonwick 1903b24ab676SJeff Bonwick if (name) 1904b24ab676SJeff Bonwick bcopy(name, lr + lrsize, namesize); 1905b24ab676SJeff Bonwick 1906b24ab676SJeff Bonwick return (lr); 1907b24ab676SJeff Bonwick } 1908b24ab676SJeff Bonwick 1909b24ab676SJeff Bonwick void 1910b24ab676SJeff Bonwick ztest_lr_free(void *lr, size_t lrsize, char *name) 1911b24ab676SJeff Bonwick { 1912b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1913b24ab676SJeff Bonwick 1914b24ab676SJeff Bonwick umem_free(lr, lrsize + namesize); 1915b24ab676SJeff Bonwick } 1916b24ab676SJeff Bonwick 1917b24ab676SJeff Bonwick /* 1918b24ab676SJeff Bonwick * Lookup a bunch of objects. Returns the number of objects not found. 1919b24ab676SJeff Bonwick */ 1920b24ab676SJeff Bonwick static int 1921b24ab676SJeff Bonwick ztest_lookup(ztest_ds_t *zd, ztest_od_t *od, int count) 1922b24ab676SJeff Bonwick { 1923b24ab676SJeff Bonwick int missing = 0; 1924b24ab676SJeff Bonwick int error; 1925b24ab676SJeff Bonwick 1926b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1927b24ab676SJeff Bonwick 1928b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1929b24ab676SJeff Bonwick od->od_object = 0; 1930b24ab676SJeff Bonwick error = zap_lookup(zd->zd_os, od->od_dir, od->od_name, 1931b24ab676SJeff Bonwick sizeof (uint64_t), 1, &od->od_object); 1932b24ab676SJeff Bonwick if (error) { 1933b24ab676SJeff Bonwick ASSERT(error == ENOENT); 1934b24ab676SJeff Bonwick ASSERT(od->od_object == 0); 1935b24ab676SJeff Bonwick missing++; 1936b24ab676SJeff Bonwick } else { 1937b24ab676SJeff Bonwick dmu_buf_t *db; 1938b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1939b24ab676SJeff Bonwick dmu_object_info_t doi; 1940b24ab676SJeff Bonwick 1941b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1942b24ab676SJeff Bonwick ASSERT(missing == 0); /* there should be no gaps */ 1943b24ab676SJeff Bonwick 1944b24ab676SJeff Bonwick ztest_object_lock(zd, od->od_object, RL_READER); 1945b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(zd->zd_os, 1946b24ab676SJeff Bonwick od->od_object, FTAG, &db)); 1947b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1948b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1949b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1950b24ab676SJeff Bonwick od->od_type = doi.doi_type; 1951b24ab676SJeff Bonwick od->od_blocksize = doi.doi_data_block_size; 1952b24ab676SJeff Bonwick od->od_gen = bbt->bt_gen; 1953b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1954b24ab676SJeff Bonwick ztest_object_unlock(zd, od->od_object); 1955b24ab676SJeff Bonwick } 1956b24ab676SJeff Bonwick } 1957b24ab676SJeff Bonwick 1958b24ab676SJeff Bonwick return (missing); 1959b24ab676SJeff Bonwick } 1960b24ab676SJeff Bonwick 1961b24ab676SJeff Bonwick static int 1962b24ab676SJeff Bonwick ztest_create(ztest_ds_t *zd, ztest_od_t *od, int count) 1963b24ab676SJeff Bonwick { 1964b24ab676SJeff Bonwick int missing = 0; 1965b24ab676SJeff Bonwick 1966b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1967b24ab676SJeff Bonwick 1968b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1969b24ab676SJeff Bonwick if (missing) { 1970b24ab676SJeff Bonwick od->od_object = 0; 1971b24ab676SJeff Bonwick missing++; 1972b24ab676SJeff Bonwick continue; 1973b24ab676SJeff Bonwick } 1974b24ab676SJeff Bonwick 1975b24ab676SJeff Bonwick lr_create_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1976b24ab676SJeff Bonwick 1977b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1978b24ab676SJeff Bonwick lr->lr_foid = 0; /* 0 to allocate, > 0 to claim */ 1979b24ab676SJeff Bonwick lr->lrz_type = od->od_crtype; 1980b24ab676SJeff Bonwick lr->lrz_blocksize = od->od_crblocksize; 1981b24ab676SJeff Bonwick lr->lrz_ibshift = ztest_random_ibshift(); 1982b24ab676SJeff Bonwick lr->lrz_bonustype = DMU_OT_UINT64_OTHER; 1983b24ab676SJeff Bonwick lr->lrz_bonuslen = dmu_bonus_max(); 1984b24ab676SJeff Bonwick lr->lr_gen = od->od_crgen; 1985b24ab676SJeff Bonwick lr->lr_crtime[0] = time(NULL); 1986b24ab676SJeff Bonwick 1987b24ab676SJeff Bonwick if (ztest_replay_create(zd, lr, B_FALSE) != 0) { 1988b24ab676SJeff Bonwick ASSERT(missing == 0); 1989b24ab676SJeff Bonwick od->od_object = 0; 1990b24ab676SJeff Bonwick missing++; 1991b24ab676SJeff Bonwick } else { 1992b24ab676SJeff Bonwick od->od_object = lr->lr_foid; 1993b24ab676SJeff Bonwick od->od_type = od->od_crtype; 1994b24ab676SJeff Bonwick od->od_blocksize = od->od_crblocksize; 1995b24ab676SJeff Bonwick od->od_gen = od->od_crgen; 1996b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1997b24ab676SJeff Bonwick } 1998b24ab676SJeff Bonwick 1999b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 2000b24ab676SJeff Bonwick } 2001b24ab676SJeff Bonwick 2002b24ab676SJeff Bonwick return (missing); 2003b24ab676SJeff Bonwick } 2004b24ab676SJeff Bonwick 2005b24ab676SJeff Bonwick static int 2006b24ab676SJeff Bonwick ztest_remove(ztest_ds_t *zd, ztest_od_t *od, int count) 2007b24ab676SJeff Bonwick { 2008b24ab676SJeff Bonwick int missing = 0; 2009b24ab676SJeff Bonwick int error; 2010b24ab676SJeff Bonwick 2011b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 2012b24ab676SJeff Bonwick 2013b24ab676SJeff Bonwick od += count - 1; 2014b24ab676SJeff Bonwick 2015b24ab676SJeff Bonwick for (int i = count - 1; i >= 0; i--, od--) { 2016b24ab676SJeff Bonwick if (missing) { 2017b24ab676SJeff Bonwick missing++; 2018b24ab676SJeff Bonwick continue; 2019b24ab676SJeff Bonwick } 2020b24ab676SJeff Bonwick 202180901aeaSGeorge Wilson /* 202280901aeaSGeorge Wilson * No object was found. 202380901aeaSGeorge Wilson */ 2024b24ab676SJeff Bonwick if (od->od_object == 0) 2025b24ab676SJeff Bonwick continue; 2026b24ab676SJeff Bonwick 2027b24ab676SJeff Bonwick lr_remove_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 2028b24ab676SJeff Bonwick 2029b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 2030b24ab676SJeff Bonwick 2031b24ab676SJeff Bonwick if ((error = ztest_replay_remove(zd, lr, B_FALSE)) != 0) { 2032b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 2033b24ab676SJeff Bonwick missing++; 2034b24ab676SJeff Bonwick } else { 2035b24ab676SJeff Bonwick od->od_object = 0; 2036b24ab676SJeff Bonwick } 2037b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 2038b24ab676SJeff Bonwick } 2039b24ab676SJeff Bonwick 2040b24ab676SJeff Bonwick return (missing); 2041b24ab676SJeff Bonwick } 2042b24ab676SJeff Bonwick 2043b24ab676SJeff Bonwick static int 2044b24ab676SJeff Bonwick ztest_write(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size, 2045b24ab676SJeff Bonwick void *data) 2046b24ab676SJeff Bonwick { 2047b24ab676SJeff Bonwick lr_write_t *lr; 2048b24ab676SJeff Bonwick int error; 2049b24ab676SJeff Bonwick 2050b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr) + size, NULL); 2051b24ab676SJeff Bonwick 2052b24ab676SJeff Bonwick lr->lr_foid = object; 2053b24ab676SJeff Bonwick lr->lr_offset = offset; 2054b24ab676SJeff Bonwick lr->lr_length = size; 2055b24ab676SJeff Bonwick lr->lr_blkoff = 0; 2056b24ab676SJeff Bonwick BP_ZERO(&lr->lr_blkptr); 2057b24ab676SJeff Bonwick 2058b24ab676SJeff Bonwick bcopy(data, lr + 1, size); 2059b24ab676SJeff Bonwick 2060b24ab676SJeff Bonwick error = ztest_replay_write(zd, lr, B_FALSE); 2061b24ab676SJeff Bonwick 2062b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr) + size, NULL); 2063b24ab676SJeff Bonwick 2064b24ab676SJeff Bonwick return (error); 2065b24ab676SJeff Bonwick } 2066b24ab676SJeff Bonwick 2067b24ab676SJeff Bonwick static int 2068b24ab676SJeff Bonwick ztest_truncate(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 2069b24ab676SJeff Bonwick { 2070b24ab676SJeff Bonwick lr_truncate_t *lr; 2071b24ab676SJeff Bonwick int error; 2072b24ab676SJeff Bonwick 2073b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 2074b24ab676SJeff Bonwick 2075b24ab676SJeff Bonwick lr->lr_foid = object; 2076b24ab676SJeff Bonwick lr->lr_offset = offset; 2077b24ab676SJeff Bonwick lr->lr_length = size; 2078b24ab676SJeff Bonwick 2079b24ab676SJeff Bonwick error = ztest_replay_truncate(zd, lr, B_FALSE); 2080b24ab676SJeff Bonwick 2081b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 2082b24ab676SJeff Bonwick 2083b24ab676SJeff Bonwick return (error); 2084b24ab676SJeff Bonwick } 2085b24ab676SJeff Bonwick 2086b24ab676SJeff Bonwick static int 2087b24ab676SJeff Bonwick ztest_setattr(ztest_ds_t *zd, uint64_t object) 2088b24ab676SJeff Bonwick { 2089b24ab676SJeff Bonwick lr_setattr_t *lr; 2090b24ab676SJeff Bonwick int error; 2091b24ab676SJeff Bonwick 2092b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 2093b24ab676SJeff Bonwick 2094b24ab676SJeff Bonwick lr->lr_foid = object; 2095b24ab676SJeff Bonwick lr->lr_size = 0; 2096b24ab676SJeff Bonwick lr->lr_mode = 0; 2097b24ab676SJeff Bonwick 2098b24ab676SJeff Bonwick error = ztest_replay_setattr(zd, lr, B_FALSE); 2099b24ab676SJeff Bonwick 2100b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 2101b24ab676SJeff Bonwick 2102b24ab676SJeff Bonwick return (error); 2103b24ab676SJeff Bonwick } 2104b24ab676SJeff Bonwick 2105b24ab676SJeff Bonwick static void 2106b24ab676SJeff Bonwick ztest_prealloc(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 2107b24ab676SJeff Bonwick { 2108b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 2109b24ab676SJeff Bonwick dmu_tx_t *tx; 2110b24ab676SJeff Bonwick uint64_t txg; 2111b24ab676SJeff Bonwick rl_t *rl; 2112b24ab676SJeff Bonwick 2113b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 2114b24ab676SJeff Bonwick 2115b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 2116b24ab676SJeff Bonwick rl = ztest_range_lock(zd, object, offset, size, RL_WRITER); 2117b24ab676SJeff Bonwick 2118b24ab676SJeff Bonwick tx = dmu_tx_create(os); 2119b24ab676SJeff Bonwick 2120b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, offset, size); 2121b24ab676SJeff Bonwick 2122b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 2123b24ab676SJeff Bonwick 2124b24ab676SJeff Bonwick if (txg != 0) { 2125b24ab676SJeff Bonwick dmu_prealloc(os, object, offset, size, tx); 2126b24ab676SJeff Bonwick dmu_tx_commit(tx); 2127b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 2128b24ab676SJeff Bonwick } else { 2129b24ab676SJeff Bonwick (void) dmu_free_long_range(os, object, offset, size); 2130b24ab676SJeff Bonwick } 2131b24ab676SJeff Bonwick 2132b24ab676SJeff Bonwick ztest_range_unlock(rl); 2133b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 2134b24ab676SJeff Bonwick } 2135b24ab676SJeff Bonwick 2136b24ab676SJeff Bonwick static void 2137b24ab676SJeff Bonwick ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t offset) 2138b24ab676SJeff Bonwick { 213980901aeaSGeorge Wilson int err; 2140b24ab676SJeff Bonwick ztest_block_tag_t wbt; 2141b24ab676SJeff Bonwick dmu_object_info_t doi; 2142b24ab676SJeff Bonwick enum ztest_io_type io_type; 2143b24ab676SJeff Bonwick uint64_t blocksize; 2144b24ab676SJeff Bonwick void *data; 2145b24ab676SJeff Bonwick 2146b24ab676SJeff Bonwick VERIFY(dmu_object_info(zd->zd_os, object, &doi) == 0); 2147b24ab676SJeff Bonwick blocksize = doi.doi_data_block_size; 2148b24ab676SJeff Bonwick data = umem_alloc(blocksize, UMEM_NOFAIL); 2149b24ab676SJeff Bonwick 2150b24ab676SJeff Bonwick /* 2151b24ab676SJeff Bonwick * Pick an i/o type at random, biased toward writing block tags. 2152b24ab676SJeff Bonwick */ 2153b24ab676SJeff Bonwick io_type = ztest_random(ZTEST_IO_TYPES); 2154b24ab676SJeff Bonwick if (ztest_random(2) == 0) 2155b24ab676SJeff Bonwick io_type = ZTEST_IO_WRITE_TAG; 2156b24ab676SJeff Bonwick 2157c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2158c9ba2a43SEric Schrock 2159b24ab676SJeff Bonwick switch (io_type) { 2160b24ab676SJeff Bonwick 2161b24ab676SJeff Bonwick case ZTEST_IO_WRITE_TAG: 2162b24ab676SJeff Bonwick ztest_bt_generate(&wbt, zd->zd_os, object, offset, 0, 0, 0); 2163b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, sizeof (wbt), &wbt); 2164b24ab676SJeff Bonwick break; 2165b24ab676SJeff Bonwick 2166b24ab676SJeff Bonwick case ZTEST_IO_WRITE_PATTERN: 2167b24ab676SJeff Bonwick (void) memset(data, 'a' + (object + offset) % 5, blocksize); 2168b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 2169b24ab676SJeff Bonwick /* 2170b24ab676SJeff Bonwick * Induce fletcher2 collisions to ensure that 2171b24ab676SJeff Bonwick * zio_ddt_collision() detects and resolves them 2172b24ab676SJeff Bonwick * when using fletcher2-verify for deduplication. 2173b24ab676SJeff Bonwick */ 2174b24ab676SJeff Bonwick ((uint64_t *)data)[0] ^= 1ULL << 63; 2175b24ab676SJeff Bonwick ((uint64_t *)data)[4] ^= 1ULL << 63; 2176b24ab676SJeff Bonwick } 2177b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 2178b24ab676SJeff Bonwick break; 2179b24ab676SJeff Bonwick 2180b24ab676SJeff Bonwick case ZTEST_IO_WRITE_ZEROES: 2181b24ab676SJeff Bonwick bzero(data, blocksize); 2182b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 2183b24ab676SJeff Bonwick break; 2184b24ab676SJeff Bonwick 2185b24ab676SJeff Bonwick case ZTEST_IO_TRUNCATE: 2186b24ab676SJeff Bonwick (void) ztest_truncate(zd, object, offset, blocksize); 2187b24ab676SJeff Bonwick break; 2188b24ab676SJeff Bonwick 2189b24ab676SJeff Bonwick case ZTEST_IO_SETATTR: 2190b24ab676SJeff Bonwick (void) ztest_setattr(zd, object); 2191b24ab676SJeff Bonwick break; 219280901aeaSGeorge Wilson 219380901aeaSGeorge Wilson case ZTEST_IO_REWRITE: 219480901aeaSGeorge Wilson (void) rw_rdlock(&ztest_name_lock); 219580901aeaSGeorge Wilson err = ztest_dsl_prop_set_uint64(zd->zd_name, 219680901aeaSGeorge Wilson ZFS_PROP_CHECKSUM, spa_dedup_checksum(ztest_spa), 219780901aeaSGeorge Wilson B_FALSE); 219880901aeaSGeorge Wilson VERIFY(err == 0 || err == ENOSPC); 219980901aeaSGeorge Wilson err = ztest_dsl_prop_set_uint64(zd->zd_name, 220080901aeaSGeorge Wilson ZFS_PROP_COMPRESSION, 220180901aeaSGeorge Wilson ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), 220280901aeaSGeorge Wilson B_FALSE); 220380901aeaSGeorge Wilson VERIFY(err == 0 || err == ENOSPC); 220480901aeaSGeorge Wilson (void) rw_unlock(&ztest_name_lock); 220580901aeaSGeorge Wilson 220680901aeaSGeorge Wilson VERIFY0(dmu_read(zd->zd_os, object, offset, blocksize, data, 220780901aeaSGeorge Wilson DMU_READ_NO_PREFETCH)); 220880901aeaSGeorge Wilson 220980901aeaSGeorge Wilson (void) ztest_write(zd, object, offset, blocksize, data); 221080901aeaSGeorge Wilson break; 2211b24ab676SJeff Bonwick } 2212b24ab676SJeff Bonwick 2213c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2214c9ba2a43SEric Schrock 2215b24ab676SJeff Bonwick umem_free(data, blocksize); 2216b24ab676SJeff Bonwick } 2217b24ab676SJeff Bonwick 2218b24ab676SJeff Bonwick /* 2219b24ab676SJeff Bonwick * Initialize an object description template. 2220b24ab676SJeff Bonwick */ 2221b24ab676SJeff Bonwick static void 2222b24ab676SJeff Bonwick ztest_od_init(ztest_od_t *od, uint64_t id, char *tag, uint64_t index, 2223b24ab676SJeff Bonwick dmu_object_type_t type, uint64_t blocksize, uint64_t gen) 2224b24ab676SJeff Bonwick { 2225b24ab676SJeff Bonwick od->od_dir = ZTEST_DIROBJ; 2226b24ab676SJeff Bonwick od->od_object = 0; 2227b24ab676SJeff Bonwick 2228b24ab676SJeff Bonwick od->od_crtype = type; 2229b24ab676SJeff Bonwick od->od_crblocksize = blocksize ? blocksize : ztest_random_blocksize(); 2230b24ab676SJeff Bonwick od->od_crgen = gen; 2231b24ab676SJeff Bonwick 2232b24ab676SJeff Bonwick od->od_type = DMU_OT_NONE; 2233b24ab676SJeff Bonwick od->od_blocksize = 0; 2234b24ab676SJeff Bonwick od->od_gen = 0; 2235b24ab676SJeff Bonwick 2236b24ab676SJeff Bonwick (void) snprintf(od->od_name, sizeof (od->od_name), "%s(%lld)[%llu]", 2237b24ab676SJeff Bonwick tag, (int64_t)id, index); 2238b24ab676SJeff Bonwick } 2239b24ab676SJeff Bonwick 2240b24ab676SJeff Bonwick /* 2241b24ab676SJeff Bonwick * Lookup or create the objects for a test using the od template. 2242b24ab676SJeff Bonwick * If the objects do not all exist, or if 'remove' is specified, 2243b24ab676SJeff Bonwick * remove any existing objects and create new ones. Otherwise, 2244b24ab676SJeff Bonwick * use the existing objects. 2245b24ab676SJeff Bonwick */ 2246b24ab676SJeff Bonwick static int 2247b24ab676SJeff Bonwick ztest_object_init(ztest_ds_t *zd, ztest_od_t *od, size_t size, boolean_t remove) 2248b24ab676SJeff Bonwick { 2249b24ab676SJeff Bonwick int count = size / sizeof (*od); 2250b24ab676SJeff Bonwick int rv = 0; 2251b24ab676SJeff Bonwick 2252b24ab676SJeff Bonwick VERIFY(mutex_lock(&zd->zd_dirobj_lock) == 0); 2253b24ab676SJeff Bonwick if ((ztest_lookup(zd, od, count) != 0 || remove) && 2254b24ab676SJeff Bonwick (ztest_remove(zd, od, count) != 0 || 2255b24ab676SJeff Bonwick ztest_create(zd, od, count) != 0)) 2256b24ab676SJeff Bonwick rv = -1; 2257b24ab676SJeff Bonwick zd->zd_od = od; 2258b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2259b24ab676SJeff Bonwick 2260b24ab676SJeff Bonwick return (rv); 2261b24ab676SJeff Bonwick } 2262b24ab676SJeff Bonwick 2263b24ab676SJeff Bonwick /* ARGSUSED */ 2264b24ab676SJeff Bonwick void 2265b24ab676SJeff Bonwick ztest_zil_commit(ztest_ds_t *zd, uint64_t id) 2266b24ab676SJeff Bonwick { 2267b24ab676SJeff Bonwick zilog_t *zilog = zd->zd_zilog; 2268b24ab676SJeff Bonwick 2269c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2270c9ba2a43SEric Schrock 22715002558fSNeil Perrin zil_commit(zilog, ztest_random(ZTEST_OBJECTS)); 2272b24ab676SJeff Bonwick 2273b24ab676SJeff Bonwick /* 2274b24ab676SJeff Bonwick * Remember the committed values in zd, which is in parent/child 2275b24ab676SJeff Bonwick * shared memory. If we die, the next iteration of ztest_run() 2276b24ab676SJeff Bonwick * will verify that the log really does contain this record. 2277b24ab676SJeff Bonwick */ 2278b24ab676SJeff Bonwick mutex_enter(&zilog->zl_lock); 2279420dfc95SChris Siden ASSERT(zd->zd_shared != NULL); 2280420dfc95SChris Siden ASSERT3U(zd->zd_shared->zd_seq, <=, zilog->zl_commit_lr_seq); 2281420dfc95SChris Siden zd->zd_shared->zd_seq = zilog->zl_commit_lr_seq; 2282b24ab676SJeff Bonwick mutex_exit(&zilog->zl_lock); 2283c9ba2a43SEric Schrock 2284c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2285c9ba2a43SEric Schrock } 2286c9ba2a43SEric Schrock 2287c9ba2a43SEric Schrock /* 2288c9ba2a43SEric Schrock * This function is designed to simulate the operations that occur during a 2289c9ba2a43SEric Schrock * mount/unmount operation. We hold the dataset across these operations in an 2290c9ba2a43SEric Schrock * attempt to expose any implicit assumptions about ZIL management. 2291c9ba2a43SEric Schrock */ 2292c9ba2a43SEric Schrock /* ARGSUSED */ 2293c9ba2a43SEric Schrock void 2294c9ba2a43SEric Schrock ztest_zil_remount(ztest_ds_t *zd, uint64_t id) 2295c9ba2a43SEric Schrock { 2296c9ba2a43SEric Schrock objset_t *os = zd->zd_os; 2297c9ba2a43SEric Schrock 229880901aeaSGeorge Wilson /* 229980901aeaSGeorge Wilson * We grab the zd_dirobj_lock to ensure that no other thread is 230080901aeaSGeorge Wilson * updating the zil (i.e. adding in-memory log records) and the 230180901aeaSGeorge Wilson * zd_zilog_lock to block any I/O. 230280901aeaSGeorge Wilson */ 230380901aeaSGeorge Wilson VERIFY0(mutex_lock(&zd->zd_dirobj_lock)); 2304c9ba2a43SEric Schrock (void) rw_wrlock(&zd->zd_zilog_lock); 2305c9ba2a43SEric Schrock 2306c9ba2a43SEric Schrock /* zfsvfs_teardown() */ 2307c9ba2a43SEric Schrock zil_close(zd->zd_zilog); 2308c9ba2a43SEric Schrock 2309c9ba2a43SEric Schrock /* zfsvfs_setup() */ 2310c9ba2a43SEric Schrock VERIFY(zil_open(os, ztest_get_data) == zd->zd_zilog); 2311c9ba2a43SEric Schrock zil_replay(os, zd, ztest_replay_vector); 2312c9ba2a43SEric Schrock 2313c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2314ce636f8bSMatthew Ahrens VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2315b24ab676SJeff Bonwick } 2316b24ab676SJeff Bonwick 2317b24ab676SJeff Bonwick /* 2318b24ab676SJeff Bonwick * Verify that we can't destroy an active pool, create an existing pool, 2319b24ab676SJeff Bonwick * or create a pool with a bad vdev spec. 2320b24ab676SJeff Bonwick */ 2321b24ab676SJeff Bonwick /* ARGSUSED */ 2322b24ab676SJeff Bonwick void 2323b24ab676SJeff Bonwick ztest_spa_create_destroy(ztest_ds_t *zd, uint64_t id) 2324b24ab676SJeff Bonwick { 2325420dfc95SChris Siden ztest_shared_opts_t *zo = &ztest_opts; 2326b24ab676SJeff Bonwick spa_t *spa; 2327b24ab676SJeff Bonwick nvlist_t *nvroot; 2328b24ab676SJeff Bonwick 2329b24ab676SJeff Bonwick /* 2330b24ab676SJeff Bonwick * Attempt to create using a bad file. 2331b24ab676SJeff Bonwick */ 233225345e46SGeorge Wilson nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 0, 1); 2333b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 23344445fffbSMatthew Ahrens spa_create("ztest_bad_file", nvroot, NULL, NULL)); 2335b24ab676SJeff Bonwick nvlist_free(nvroot); 2336b24ab676SJeff Bonwick 2337b24ab676SJeff Bonwick /* 2338b24ab676SJeff Bonwick * Attempt to create using a bad mirror. 2339b24ab676SJeff Bonwick */ 234025345e46SGeorge Wilson nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 2, 1); 2341b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 23424445fffbSMatthew Ahrens spa_create("ztest_bad_mirror", nvroot, NULL, NULL)); 2343b24ab676SJeff Bonwick nvlist_free(nvroot); 2344b24ab676SJeff Bonwick 2345b24ab676SJeff Bonwick /* 2346b24ab676SJeff Bonwick * Attempt to create an existing pool. It shouldn't matter 2347b24ab676SJeff Bonwick * what's in the nvroot; we should fail with EEXIST. 2348b24ab676SJeff Bonwick */ 2349420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 235025345e46SGeorge Wilson nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 0, 1); 23514445fffbSMatthew Ahrens VERIFY3U(EEXIST, ==, spa_create(zo->zo_pool, nvroot, NULL, NULL)); 2352b24ab676SJeff Bonwick nvlist_free(nvroot); 2353b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(zo->zo_pool, &spa, FTAG)); 2354420dfc95SChris Siden VERIFY3U(EBUSY, ==, spa_destroy(zo->zo_pool)); 2355b24ab676SJeff Bonwick spa_close(spa, FTAG); 2356b24ab676SJeff Bonwick 2357420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 2358b24ab676SJeff Bonwick } 2359b24ab676SJeff Bonwick 236025345e46SGeorge Wilson /* ARGSUSED */ 236125345e46SGeorge Wilson void 236225345e46SGeorge Wilson ztest_spa_upgrade(ztest_ds_t *zd, uint64_t id) 236325345e46SGeorge Wilson { 236425345e46SGeorge Wilson spa_t *spa; 236525345e46SGeorge Wilson uint64_t initial_version = SPA_VERSION_INITIAL; 236625345e46SGeorge Wilson uint64_t version, newversion; 236725345e46SGeorge Wilson nvlist_t *nvroot, *props; 236825345e46SGeorge Wilson char *name; 236925345e46SGeorge Wilson 237025345e46SGeorge Wilson VERIFY0(mutex_lock(&ztest_vdev_lock)); 237125345e46SGeorge Wilson name = kmem_asprintf("%s_upgrade", ztest_opts.zo_pool); 237225345e46SGeorge Wilson 237325345e46SGeorge Wilson /* 237425345e46SGeorge Wilson * Clean up from previous runs. 237525345e46SGeorge Wilson */ 237625345e46SGeorge Wilson (void) spa_destroy(name); 237725345e46SGeorge Wilson 237825345e46SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, name, ztest_opts.zo_vdev_size, 0, 237925345e46SGeorge Wilson 0, ztest_opts.zo_raidz, ztest_opts.zo_mirrors, 1); 238025345e46SGeorge Wilson 238125345e46SGeorge Wilson /* 238225345e46SGeorge Wilson * If we're configuring a RAIDZ device then make sure that the 238325345e46SGeorge Wilson * the initial version is capable of supporting that feature. 238425345e46SGeorge Wilson */ 238525345e46SGeorge Wilson switch (ztest_opts.zo_raidz_parity) { 238625345e46SGeorge Wilson case 0: 238725345e46SGeorge Wilson case 1: 238825345e46SGeorge Wilson initial_version = SPA_VERSION_INITIAL; 238925345e46SGeorge Wilson break; 239025345e46SGeorge Wilson case 2: 239125345e46SGeorge Wilson initial_version = SPA_VERSION_RAIDZ2; 239225345e46SGeorge Wilson break; 239325345e46SGeorge Wilson case 3: 239425345e46SGeorge Wilson initial_version = SPA_VERSION_RAIDZ3; 239525345e46SGeorge Wilson break; 239625345e46SGeorge Wilson } 239725345e46SGeorge Wilson 239825345e46SGeorge Wilson /* 239925345e46SGeorge Wilson * Create a pool with a spa version that can be upgraded. Pick 240025345e46SGeorge Wilson * a value between initial_version and SPA_VERSION_BEFORE_FEATURES. 240125345e46SGeorge Wilson */ 240225345e46SGeorge Wilson do { 240325345e46SGeorge Wilson version = ztest_random_spa_version(initial_version); 240425345e46SGeorge Wilson } while (version > SPA_VERSION_BEFORE_FEATURES); 240525345e46SGeorge Wilson 240625345e46SGeorge Wilson props = fnvlist_alloc(); 240725345e46SGeorge Wilson fnvlist_add_uint64(props, 240825345e46SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_VERSION), version); 240925345e46SGeorge Wilson VERIFY0(spa_create(name, nvroot, props, NULL)); 241025345e46SGeorge Wilson fnvlist_free(nvroot); 241125345e46SGeorge Wilson fnvlist_free(props); 241225345e46SGeorge Wilson 241325345e46SGeorge Wilson VERIFY0(spa_open(name, &spa, FTAG)); 241425345e46SGeorge Wilson VERIFY3U(spa_version(spa), ==, version); 241525345e46SGeorge Wilson newversion = ztest_random_spa_version(version + 1); 241625345e46SGeorge Wilson 241725345e46SGeorge Wilson if (ztest_opts.zo_verbose >= 4) { 241825345e46SGeorge Wilson (void) printf("upgrading spa version from %llu to %llu\n", 241925345e46SGeorge Wilson (u_longlong_t)version, (u_longlong_t)newversion); 242025345e46SGeorge Wilson } 242125345e46SGeorge Wilson 242225345e46SGeorge Wilson spa_upgrade(spa, newversion); 242325345e46SGeorge Wilson VERIFY3U(spa_version(spa), >, version); 242425345e46SGeorge Wilson VERIFY3U(spa_version(spa), ==, fnvlist_lookup_uint64(spa->spa_config, 242525345e46SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_VERSION))); 242625345e46SGeorge Wilson spa_close(spa, FTAG); 242725345e46SGeorge Wilson 242825345e46SGeorge Wilson strfree(name); 242925345e46SGeorge Wilson VERIFY0(mutex_unlock(&ztest_vdev_lock)); 243025345e46SGeorge Wilson } 243125345e46SGeorge Wilson 2432b24ab676SJeff Bonwick static vdev_t * 2433b24ab676SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 2434b24ab676SJeff Bonwick { 2435b24ab676SJeff Bonwick vdev_t *mvd; 2436b24ab676SJeff Bonwick 2437b24ab676SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 2438b24ab676SJeff Bonwick return (vd); 2439b24ab676SJeff Bonwick 2440b24ab676SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 2441b24ab676SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 2442b24ab676SJeff Bonwick NULL) 2443b24ab676SJeff Bonwick return (mvd); 2444b24ab676SJeff Bonwick 2445b24ab676SJeff Bonwick return (NULL); 2446b24ab676SJeff Bonwick } 2447b24ab676SJeff Bonwick 2448b24ab676SJeff Bonwick /* 2449b24ab676SJeff Bonwick * Find the first available hole which can be used as a top-level. 2450b24ab676SJeff Bonwick */ 2451b24ab676SJeff Bonwick int 2452b24ab676SJeff Bonwick find_vdev_hole(spa_t *spa) 2453b24ab676SJeff Bonwick { 2454b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2455b24ab676SJeff Bonwick int c; 2456b24ab676SJeff Bonwick 2457b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_VDEV, RW_READER) == SCL_VDEV); 2458b24ab676SJeff Bonwick 2459b24ab676SJeff Bonwick for (c = 0; c < rvd->vdev_children; c++) { 2460b24ab676SJeff Bonwick vdev_t *cvd = rvd->vdev_child[c]; 2461b24ab676SJeff Bonwick 2462b24ab676SJeff Bonwick if (cvd->vdev_ishole) 2463b24ab676SJeff Bonwick break; 2464b24ab676SJeff Bonwick } 2465b24ab676SJeff Bonwick return (c); 2466b24ab676SJeff Bonwick } 2467b24ab676SJeff Bonwick 2468b24ab676SJeff Bonwick /* 2469b24ab676SJeff Bonwick * Verify that vdev_add() works as expected. 2470b24ab676SJeff Bonwick */ 2471b24ab676SJeff Bonwick /* ARGSUSED */ 2472b24ab676SJeff Bonwick void 2473b24ab676SJeff Bonwick ztest_vdev_add_remove(ztest_ds_t *zd, uint64_t id) 2474b24ab676SJeff Bonwick { 2475b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2476420dfc95SChris Siden spa_t *spa = ztest_spa; 24771195e687SMark J Musante uint64_t leaves; 2478b24ab676SJeff Bonwick uint64_t guid; 2479b24ab676SJeff Bonwick nvlist_t *nvroot; 2480b24ab676SJeff Bonwick int error; 2481b24ab676SJeff Bonwick 2482420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 24833b2aab18SMatthew Ahrens leaves = MAX(zs->zs_mirrors + zs->zs_splits, 1) * ztest_opts.zo_raidz; 2484b24ab676SJeff Bonwick 2485b24ab676SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2486b24ab676SJeff Bonwick 2487b24ab676SJeff Bonwick ztest_shared->zs_vdev_next_leaf = find_vdev_hole(spa) * leaves; 2488b24ab676SJeff Bonwick 2489b24ab676SJeff Bonwick /* 2490b24ab676SJeff Bonwick * If we have slogs then remove them 1/4 of the time. 2491b24ab676SJeff Bonwick */ 249288ecc943SGeorge Wilson if (spa_has_slogs(spa) && ztest_random(4) == 0) { 249388ecc943SGeorge Wilson /* 249488ecc943SGeorge Wilson * Grab the guid from the head of the log class rotor. 249588ecc943SGeorge Wilson */ 2496b24ab676SJeff Bonwick guid = spa_log_class(spa)->mc_rotor->mg_vd->vdev_guid; 24978654d025Sperrin 249888ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 2499fa9e4066Sahrens 250088ecc943SGeorge Wilson /* 250188ecc943SGeorge Wilson * We have to grab the zs_name_lock as writer to 250288ecc943SGeorge Wilson * prevent a race between removing a slog (dmu_objset_find) 250388ecc943SGeorge Wilson * and destroying a dataset. Removing the slog will 250488ecc943SGeorge Wilson * grab a reference on the dataset which may cause 250588ecc943SGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 250688ecc943SGeorge Wilson * leaving the dataset in an inconsistent state. 250788ecc943SGeorge Wilson */ 2508420dfc95SChris Siden VERIFY(rw_wrlock(&ztest_name_lock) == 0); 250988ecc943SGeorge Wilson error = spa_vdev_remove(spa, guid, B_FALSE); 2510420dfc95SChris Siden VERIFY(rw_unlock(&ztest_name_lock) == 0); 2511fa9e4066Sahrens 251288ecc943SGeorge Wilson if (error && error != EEXIST) 251388ecc943SGeorge Wilson fatal(0, "spa_vdev_remove() = %d", error); 251488ecc943SGeorge Wilson } else { 251588ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 251688ecc943SGeorge Wilson 251788ecc943SGeorge Wilson /* 251888ecc943SGeorge Wilson * Make 1/4 of the devices be log devices. 251988ecc943SGeorge Wilson */ 252025345e46SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, NULL, 2521420dfc95SChris Siden ztest_opts.zo_vdev_size, 0, 2522420dfc95SChris Siden ztest_random(4) == 0, ztest_opts.zo_raidz, 2523420dfc95SChris Siden zs->zs_mirrors, 1); 252488ecc943SGeorge Wilson 252588ecc943SGeorge Wilson error = spa_vdev_add(spa, nvroot); 252688ecc943SGeorge Wilson nvlist_free(nvroot); 252788ecc943SGeorge Wilson 252888ecc943SGeorge Wilson if (error == ENOSPC) 252988ecc943SGeorge Wilson ztest_record_enospc("spa_vdev_add"); 253088ecc943SGeorge Wilson else if (error != 0) 253188ecc943SGeorge Wilson fatal(0, "spa_vdev_add() = %d", error); 253288ecc943SGeorge Wilson } 253388ecc943SGeorge Wilson 2534420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2535e14bb325SJeff Bonwick } 2536fa9e4066Sahrens 2537e14bb325SJeff Bonwick /* 2538e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 2539e14bb325SJeff Bonwick */ 2540b24ab676SJeff Bonwick /* ARGSUSED */ 2541e14bb325SJeff Bonwick void 2542b24ab676SJeff Bonwick ztest_vdev_aux_add_remove(ztest_ds_t *zd, uint64_t id) 2543e14bb325SJeff Bonwick { 2544b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2545420dfc95SChris Siden spa_t *spa = ztest_spa; 254631157203SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2547e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 2548e14bb325SJeff Bonwick char *aux; 2549e14bb325SJeff Bonwick uint64_t guid = 0; 2550e14bb325SJeff Bonwick int error; 2551e14bb325SJeff Bonwick 255231157203SJeff Bonwick if (ztest_random(2) == 0) { 2553e14bb325SJeff Bonwick sav = &spa->spa_spares; 2554e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 2555e14bb325SJeff Bonwick } else { 2556e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 2557e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 2558e14bb325SJeff Bonwick } 2559e14bb325SJeff Bonwick 2560420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2561e14bb325SJeff Bonwick 2562e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2563e14bb325SJeff Bonwick 2564e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 2565e14bb325SJeff Bonwick /* 2566e14bb325SJeff Bonwick * Pick a random device to remove. 2567e14bb325SJeff Bonwick */ 2568e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 2569e14bb325SJeff Bonwick } else { 2570e14bb325SJeff Bonwick /* 2571e14bb325SJeff Bonwick * Find an unused device we can add. 2572e14bb325SJeff Bonwick */ 2573b24ab676SJeff Bonwick zs->zs_vdev_aux = 0; 2574e14bb325SJeff Bonwick for (;;) { 2575e14bb325SJeff Bonwick char path[MAXPATHLEN]; 2576e14bb325SJeff Bonwick int c; 2577420dfc95SChris Siden (void) snprintf(path, sizeof (path), ztest_aux_template, 2578420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, aux, 2579420dfc95SChris Siden zs->zs_vdev_aux); 2580e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 2581e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 2582e14bb325SJeff Bonwick path) == 0) 2583e14bb325SJeff Bonwick break; 258431157203SJeff Bonwick if (c == sav->sav_count && 258531157203SJeff Bonwick vdev_lookup_by_path(rvd, path) == NULL) 2586e14bb325SJeff Bonwick break; 2587b24ab676SJeff Bonwick zs->zs_vdev_aux++; 2588e14bb325SJeff Bonwick } 2589e14bb325SJeff Bonwick } 2590e14bb325SJeff Bonwick 2591e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2592e14bb325SJeff Bonwick 2593e14bb325SJeff Bonwick if (guid == 0) { 2594e14bb325SJeff Bonwick /* 2595e14bb325SJeff Bonwick * Add a new device. 2596e14bb325SJeff Bonwick */ 259725345e46SGeorge Wilson nvlist_t *nvroot = make_vdev_root(NULL, aux, NULL, 2598420dfc95SChris Siden (ztest_opts.zo_vdev_size * 5) / 4, 0, 0, 0, 0, 1); 2599e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 2600e14bb325SJeff Bonwick if (error != 0) 2601e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 2602e14bb325SJeff Bonwick nvlist_free(nvroot); 2603e14bb325SJeff Bonwick } else { 2604e14bb325SJeff Bonwick /* 2605e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 2606e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 2607e14bb325SJeff Bonwick * of devices that have pending state changes. 2608e14bb325SJeff Bonwick */ 2609e14bb325SJeff Bonwick if (ztest_random(2) == 0) 2610573ca77eSGeorge Wilson (void) vdev_online(spa, guid, 0, NULL); 2611e14bb325SJeff Bonwick 2612e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 2613e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 2614e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 2615e14bb325SJeff Bonwick } 2616e14bb325SJeff Bonwick 2617420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2618fa9e4066Sahrens } 2619fa9e4066Sahrens 26201195e687SMark J Musante /* 26211195e687SMark J Musante * split a pool if it has mirror tlvdevs 26221195e687SMark J Musante */ 26231195e687SMark J Musante /* ARGSUSED */ 26241195e687SMark J Musante void 26251195e687SMark J Musante ztest_split_pool(ztest_ds_t *zd, uint64_t id) 26261195e687SMark J Musante { 26271195e687SMark J Musante ztest_shared_t *zs = ztest_shared; 2628420dfc95SChris Siden spa_t *spa = ztest_spa; 26291195e687SMark J Musante vdev_t *rvd = spa->spa_root_vdev; 26301195e687SMark J Musante nvlist_t *tree, **child, *config, *split, **schild; 26311195e687SMark J Musante uint_t c, children, schildren = 0, lastlogid = 0; 26321195e687SMark J Musante int error = 0; 26331195e687SMark J Musante 2634420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 26351195e687SMark J Musante 26361195e687SMark J Musante /* ensure we have a useable config; mirrors of raidz aren't supported */ 2637420dfc95SChris Siden if (zs->zs_mirrors < 3 || ztest_opts.zo_raidz > 1) { 2638420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 26391195e687SMark J Musante return; 26401195e687SMark J Musante } 26411195e687SMark J Musante 26421195e687SMark J Musante /* clean up the old pool, if any */ 26431195e687SMark J Musante (void) spa_destroy("splitp"); 26441195e687SMark J Musante 26451195e687SMark J Musante spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 26461195e687SMark J Musante 26471195e687SMark J Musante /* generate a config from the existing config */ 264898295d61SMark J Musante mutex_enter(&spa->spa_props_lock); 26491195e687SMark J Musante VERIFY(nvlist_lookup_nvlist(spa->spa_config, ZPOOL_CONFIG_VDEV_TREE, 26501195e687SMark J Musante &tree) == 0); 265198295d61SMark J Musante mutex_exit(&spa->spa_props_lock); 265298295d61SMark J Musante 26531195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, 26541195e687SMark J Musante &children) == 0); 26551195e687SMark J Musante 26561195e687SMark J Musante schild = malloc(rvd->vdev_children * sizeof (nvlist_t *)); 26571195e687SMark J Musante for (c = 0; c < children; c++) { 26581195e687SMark J Musante vdev_t *tvd = rvd->vdev_child[c]; 26591195e687SMark J Musante nvlist_t **mchild; 26601195e687SMark J Musante uint_t mchildren; 26611195e687SMark J Musante 26621195e687SMark J Musante if (tvd->vdev_islog || tvd->vdev_ops == &vdev_hole_ops) { 26631195e687SMark J Musante VERIFY(nvlist_alloc(&schild[schildren], NV_UNIQUE_NAME, 26641195e687SMark J Musante 0) == 0); 26651195e687SMark J Musante VERIFY(nvlist_add_string(schild[schildren], 26661195e687SMark J Musante ZPOOL_CONFIG_TYPE, VDEV_TYPE_HOLE) == 0); 26671195e687SMark J Musante VERIFY(nvlist_add_uint64(schild[schildren], 26681195e687SMark J Musante ZPOOL_CONFIG_IS_HOLE, 1) == 0); 26691195e687SMark J Musante if (lastlogid == 0) 26701195e687SMark J Musante lastlogid = schildren; 26711195e687SMark J Musante ++schildren; 26721195e687SMark J Musante continue; 26731195e687SMark J Musante } 26741195e687SMark J Musante lastlogid = 0; 26751195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(child[c], 26761195e687SMark J Musante ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); 26771195e687SMark J Musante VERIFY(nvlist_dup(mchild[0], &schild[schildren++], 0) == 0); 26781195e687SMark J Musante } 26791195e687SMark J Musante 26801195e687SMark J Musante /* OK, create a config that can be used to split */ 26811195e687SMark J Musante VERIFY(nvlist_alloc(&split, NV_UNIQUE_NAME, 0) == 0); 26821195e687SMark J Musante VERIFY(nvlist_add_string(split, ZPOOL_CONFIG_TYPE, 26831195e687SMark J Musante VDEV_TYPE_ROOT) == 0); 26841195e687SMark J Musante VERIFY(nvlist_add_nvlist_array(split, ZPOOL_CONFIG_CHILDREN, schild, 26851195e687SMark J Musante lastlogid != 0 ? lastlogid : schildren) == 0); 26861195e687SMark J Musante 26871195e687SMark J Musante VERIFY(nvlist_alloc(&config, NV_UNIQUE_NAME, 0) == 0); 26881195e687SMark J Musante VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, split) == 0); 26891195e687SMark J Musante 26901195e687SMark J Musante for (c = 0; c < schildren; c++) 26911195e687SMark J Musante nvlist_free(schild[c]); 26921195e687SMark J Musante free(schild); 26931195e687SMark J Musante nvlist_free(split); 26941195e687SMark J Musante 26951195e687SMark J Musante spa_config_exit(spa, SCL_VDEV, FTAG); 26961195e687SMark J Musante 2697420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 26981195e687SMark J Musante error = spa_vdev_split_mirror(spa, "splitp", config, NULL, B_FALSE); 2699420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 27001195e687SMark J Musante 27011195e687SMark J Musante nvlist_free(config); 27021195e687SMark J Musante 27031195e687SMark J Musante if (error == 0) { 27041195e687SMark J Musante (void) printf("successful split - results:\n"); 27051195e687SMark J Musante mutex_enter(&spa_namespace_lock); 27061195e687SMark J Musante show_pool_stats(spa); 27071195e687SMark J Musante show_pool_stats(spa_lookup("splitp")); 27081195e687SMark J Musante mutex_exit(&spa_namespace_lock); 27091195e687SMark J Musante ++zs->zs_splits; 27101195e687SMark J Musante --zs->zs_mirrors; 27111195e687SMark J Musante } 2712420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 27131195e687SMark J Musante 27141195e687SMark J Musante } 27151195e687SMark J Musante 2716fa9e4066Sahrens /* 2717fa9e4066Sahrens * Verify that we can attach and detach devices. 2718fa9e4066Sahrens */ 2719b24ab676SJeff Bonwick /* ARGSUSED */ 2720fa9e4066Sahrens void 2721b24ab676SJeff Bonwick ztest_vdev_attach_detach(ztest_ds_t *zd, uint64_t id) 2722fa9e4066Sahrens { 2723b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2724420dfc95SChris Siden spa_t *spa = ztest_spa; 272531157203SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_spares; 2726fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 2727ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 2728e14bb325SJeff Bonwick nvlist_t *root; 27291195e687SMark J Musante uint64_t leaves; 2730fa9e4066Sahrens uint64_t leaf, top; 2731ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 27328ad4d6ddSJeff Bonwick uint64_t oldguid, pguid; 2733ea8dc4b6Seschrock size_t oldsize, newsize; 2734ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 2735fa9e4066Sahrens int replacing; 27369af0a4dfSJeff Bonwick int oldvd_has_siblings = B_FALSE; 273731157203SJeff Bonwick int newvd_is_spare = B_FALSE; 273831157203SJeff Bonwick int oldvd_is_log; 2739fa9e4066Sahrens int error, expected_error; 2740fa9e4066Sahrens 2741420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2742420dfc95SChris Siden leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz; 2743fa9e4066Sahrens 2744e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2745fa9e4066Sahrens 2746fa9e4066Sahrens /* 2747fa9e4066Sahrens * Decide whether to do an attach or a replace. 2748fa9e4066Sahrens */ 2749fa9e4066Sahrens replacing = ztest_random(2); 2750fa9e4066Sahrens 2751fa9e4066Sahrens /* 2752fa9e4066Sahrens * Pick a random top-level vdev. 2753fa9e4066Sahrens */ 2754b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2755fa9e4066Sahrens 2756fa9e4066Sahrens /* 2757fa9e4066Sahrens * Pick a random leaf within it. 2758fa9e4066Sahrens */ 2759d41c4376SMark J Musante leaf = ztest_random(leaves); 2760fa9e4066Sahrens 2761fa9e4066Sahrens /* 276231157203SJeff Bonwick * Locate this vdev. 2763fa9e4066Sahrens */ 276431157203SJeff Bonwick oldvd = rvd->vdev_child[top]; 27651195e687SMark J Musante if (zs->zs_mirrors >= 1) { 27668ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_mirror_ops); 27671195e687SMark J Musante ASSERT(oldvd->vdev_children >= zs->zs_mirrors); 2768420dfc95SChris Siden oldvd = oldvd->vdev_child[leaf / ztest_opts.zo_raidz]; 27698ad4d6ddSJeff Bonwick } 2770420dfc95SChris Siden if (ztest_opts.zo_raidz > 1) { 27718ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_raidz_ops); 2772420dfc95SChris Siden ASSERT(oldvd->vdev_children == ztest_opts.zo_raidz); 2773420dfc95SChris Siden oldvd = oldvd->vdev_child[leaf % ztest_opts.zo_raidz]; 27748ad4d6ddSJeff Bonwick } 2775fa9e4066Sahrens 2776fa9e4066Sahrens /* 277731157203SJeff Bonwick * If we're already doing an attach or replace, oldvd may be a 277831157203SJeff Bonwick * mirror vdev -- in which case, pick a random child. 2779fa9e4066Sahrens */ 278031157203SJeff Bonwick while (oldvd->vdev_children != 0) { 27819af0a4dfSJeff Bonwick oldvd_has_siblings = B_TRUE; 27828ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= 2); 27838ad4d6ddSJeff Bonwick oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)]; 278431157203SJeff Bonwick } 2785fa9e4066Sahrens 278631157203SJeff Bonwick oldguid = oldvd->vdev_guid; 2787573ca77eSGeorge Wilson oldsize = vdev_get_min_asize(oldvd); 278831157203SJeff Bonwick oldvd_is_log = oldvd->vdev_top->vdev_islog; 278931157203SJeff Bonwick (void) strcpy(oldpath, oldvd->vdev_path); 2790ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 27918ad4d6ddSJeff Bonwick pguid = pvd->vdev_guid; 2792fa9e4066Sahrens 27939af0a4dfSJeff Bonwick /* 27949af0a4dfSJeff Bonwick * If oldvd has siblings, then half of the time, detach it. 27959af0a4dfSJeff Bonwick */ 27969af0a4dfSJeff Bonwick if (oldvd_has_siblings && ztest_random(2) == 0) { 27979af0a4dfSJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 27988ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, oldguid, pguid, B_FALSE); 27998ad4d6ddSJeff Bonwick if (error != 0 && error != ENODEV && error != EBUSY && 28008ad4d6ddSJeff Bonwick error != ENOTSUP) 28018ad4d6ddSJeff Bonwick fatal(0, "detach (%s) returned %d", oldpath, error); 2802420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 28039af0a4dfSJeff Bonwick return; 28049af0a4dfSJeff Bonwick } 28059af0a4dfSJeff Bonwick 2806fa9e4066Sahrens /* 280731157203SJeff Bonwick * For the new vdev, choose with equal probability between the two 280831157203SJeff Bonwick * standard paths (ending in either 'a' or 'b') or a random hot spare. 2809fa9e4066Sahrens */ 281031157203SJeff Bonwick if (sav->sav_count != 0 && ztest_random(3) == 0) { 281131157203SJeff Bonwick newvd = sav->sav_vdevs[ztest_random(sav->sav_count)]; 281231157203SJeff Bonwick newvd_is_spare = B_TRUE; 281331157203SJeff Bonwick (void) strcpy(newpath, newvd->vdev_path); 281431157203SJeff Bonwick } else { 281531157203SJeff Bonwick (void) snprintf(newpath, sizeof (newpath), ztest_dev_template, 2816420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 2817420dfc95SChris Siden top * leaves + leaf); 281831157203SJeff Bonwick if (ztest_random(2) == 0) 281931157203SJeff Bonwick newpath[strlen(newpath) - 1] = 'b'; 282031157203SJeff Bonwick newvd = vdev_lookup_by_path(rvd, newpath); 282131157203SJeff Bonwick } 282231157203SJeff Bonwick 282331157203SJeff Bonwick if (newvd) { 2824573ca77eSGeorge Wilson newsize = vdev_get_min_asize(newvd); 282531157203SJeff Bonwick } else { 282631157203SJeff Bonwick /* 282731157203SJeff Bonwick * Make newsize a little bigger or smaller than oldsize. 282831157203SJeff Bonwick * If it's smaller, the attach should fail. 282931157203SJeff Bonwick * If it's larger, and we're doing a replace, 283031157203SJeff Bonwick * we should get dynamic LUN growth when we're done. 283131157203SJeff Bonwick */ 283231157203SJeff Bonwick newsize = 10 * oldsize / (9 + ztest_random(3)); 283331157203SJeff Bonwick } 2834fa9e4066Sahrens 2835fa9e4066Sahrens /* 2836fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 2837fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 2838fa9e4066Sahrens * 2839ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 2840fa9e4066Sahrens * 2841ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 2842fa9e4066Sahrens */ 284331157203SJeff Bonwick if (pvd->vdev_ops != &vdev_mirror_ops && 284431157203SJeff Bonwick pvd->vdev_ops != &vdev_root_ops && (!replacing || 284531157203SJeff Bonwick pvd->vdev_ops == &vdev_replacing_ops || 284631157203SJeff Bonwick pvd->vdev_ops == &vdev_spare_ops)) 284731157203SJeff Bonwick expected_error = ENOTSUP; 284831157203SJeff Bonwick else if (newvd_is_spare && (!replacing || oldvd_is_log)) 2849fa9e4066Sahrens expected_error = ENOTSUP; 285031157203SJeff Bonwick else if (newvd == oldvd) 285131157203SJeff Bonwick expected_error = replacing ? 0 : EBUSY; 285231157203SJeff Bonwick else if (vdev_lookup_by_path(rvd, newpath) != NULL) 285331157203SJeff Bonwick expected_error = EBUSY; 2854ea8dc4b6Seschrock else if (newsize < oldsize) 2855fa9e4066Sahrens expected_error = EOVERFLOW; 2856ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 2857ecc2d604Sbonwick expected_error = EDOM; 2858fa9e4066Sahrens else 2859fa9e4066Sahrens expected_error = 0; 2860fa9e4066Sahrens 2861e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2862fa9e4066Sahrens 2863fa9e4066Sahrens /* 2864ea8dc4b6Seschrock * Build the nvlist describing newpath. 2865fa9e4066Sahrens */ 286625345e46SGeorge Wilson root = make_vdev_root(newpath, NULL, NULL, newvd == NULL ? newsize : 0, 2867e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 2868fa9e4066Sahrens 286931157203SJeff Bonwick error = spa_vdev_attach(spa, oldguid, root, replacing); 2870fa9e4066Sahrens 2871fa9e4066Sahrens nvlist_free(root); 2872fa9e4066Sahrens 2873fa9e4066Sahrens /* 2874fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 2875fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 2876fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 2877fa9e4066Sahrens */ 2878fa9e4066Sahrens if (expected_error == ENOTSUP && 2879fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 2880fa9e4066Sahrens expected_error = error; 2881fa9e4066Sahrens 2882f0aa80d4Sbonwick /* 2883f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 2884f0aa80d4Sbonwick */ 2885088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 2886f0aa80d4Sbonwick expected_error = error; 2887f0aa80d4Sbonwick 2888088f3894Sahrens /* XXX workaround 6690467 */ 2889088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 2890088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 2891088f3894Sahrens "returned %d, expected %d", 2892088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 2893088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 2894fa9e4066Sahrens } 2895fa9e4066Sahrens 2896420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2897fa9e4066Sahrens } 2898fa9e4066Sahrens 2899573ca77eSGeorge Wilson /* 2900573ca77eSGeorge Wilson * Callback function which expands the physical size of the vdev. 2901573ca77eSGeorge Wilson */ 2902573ca77eSGeorge Wilson vdev_t * 2903573ca77eSGeorge Wilson grow_vdev(vdev_t *vd, void *arg) 2904573ca77eSGeorge Wilson { 2905573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2906573ca77eSGeorge Wilson size_t *newsize = arg; 2907573ca77eSGeorge Wilson size_t fsize; 2908573ca77eSGeorge Wilson int fd; 2909573ca77eSGeorge Wilson 2910573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2911573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2912573ca77eSGeorge Wilson 2913573ca77eSGeorge Wilson if ((fd = open(vd->vdev_path, O_RDWR)) == -1) 2914573ca77eSGeorge Wilson return (vd); 2915573ca77eSGeorge Wilson 2916573ca77eSGeorge Wilson fsize = lseek(fd, 0, SEEK_END); 2917573ca77eSGeorge Wilson (void) ftruncate(fd, *newsize); 2918573ca77eSGeorge Wilson 2919420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 2920573ca77eSGeorge Wilson (void) printf("%s grew from %lu to %lu bytes\n", 2921573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)fsize, (ulong_t)*newsize); 2922573ca77eSGeorge Wilson } 2923573ca77eSGeorge Wilson (void) close(fd); 2924573ca77eSGeorge Wilson return (NULL); 2925573ca77eSGeorge Wilson } 2926573ca77eSGeorge Wilson 2927573ca77eSGeorge Wilson /* 2928573ca77eSGeorge Wilson * Callback function which expands a given vdev by calling vdev_online(). 2929573ca77eSGeorge Wilson */ 2930573ca77eSGeorge Wilson /* ARGSUSED */ 2931573ca77eSGeorge Wilson vdev_t * 2932573ca77eSGeorge Wilson online_vdev(vdev_t *vd, void *arg) 2933573ca77eSGeorge Wilson { 2934573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2935573ca77eSGeorge Wilson vdev_t *tvd = vd->vdev_top; 2936573ca77eSGeorge Wilson uint64_t guid = vd->vdev_guid; 29378f18d1faSGeorge Wilson uint64_t generation = spa->spa_config_generation + 1; 2938095bcd66SGeorge Wilson vdev_state_t newstate = VDEV_STATE_UNKNOWN; 2939095bcd66SGeorge Wilson int error; 2940573ca77eSGeorge Wilson 2941573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2942573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2943573ca77eSGeorge Wilson 2944573ca77eSGeorge Wilson /* Calling vdev_online will initialize the new metaslabs */ 2945573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2946095bcd66SGeorge Wilson error = vdev_online(spa, guid, ZFS_ONLINE_EXPAND, &newstate); 2947573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2948573ca77eSGeorge Wilson 2949095bcd66SGeorge Wilson /* 2950095bcd66SGeorge Wilson * If vdev_online returned an error or the underlying vdev_open 2951095bcd66SGeorge Wilson * failed then we abort the expand. The only way to know that 2952095bcd66SGeorge Wilson * vdev_open fails is by checking the returned newstate. 2953095bcd66SGeorge Wilson */ 2954095bcd66SGeorge Wilson if (error || newstate != VDEV_STATE_HEALTHY) { 2955420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 2956095bcd66SGeorge Wilson (void) printf("Unable to expand vdev, state %llu, " 2957095bcd66SGeorge Wilson "error %d\n", (u_longlong_t)newstate, error); 2958095bcd66SGeorge Wilson } 2959095bcd66SGeorge Wilson return (vd); 2960095bcd66SGeorge Wilson } 2961095bcd66SGeorge Wilson ASSERT3U(newstate, ==, VDEV_STATE_HEALTHY); 2962095bcd66SGeorge Wilson 2963573ca77eSGeorge Wilson /* 2964573ca77eSGeorge Wilson * Since we dropped the lock we need to ensure that we're 2965573ca77eSGeorge Wilson * still talking to the original vdev. It's possible this 2966573ca77eSGeorge Wilson * vdev may have been detached/replaced while we were 2967573ca77eSGeorge Wilson * trying to online it. 2968573ca77eSGeorge Wilson */ 29698f18d1faSGeorge Wilson if (generation != spa->spa_config_generation) { 2970420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 29718f18d1faSGeorge Wilson (void) printf("vdev configuration has changed, " 29728f18d1faSGeorge Wilson "guid %llu, state %llu, expected gen %llu, " 2973b24ab676SJeff Bonwick "got gen %llu\n", 2974b24ab676SJeff Bonwick (u_longlong_t)guid, 29758f18d1faSGeorge Wilson (u_longlong_t)tvd->vdev_state, 29768f18d1faSGeorge Wilson (u_longlong_t)generation, 29778f18d1faSGeorge Wilson (u_longlong_t)spa->spa_config_generation); 2978573ca77eSGeorge Wilson } 2979573ca77eSGeorge Wilson return (vd); 2980573ca77eSGeorge Wilson } 2981573ca77eSGeorge Wilson return (NULL); 2982573ca77eSGeorge Wilson } 2983573ca77eSGeorge Wilson 2984573ca77eSGeorge Wilson /* 2985573ca77eSGeorge Wilson * Traverse the vdev tree calling the supplied function. 2986573ca77eSGeorge Wilson * We continue to walk the tree until we either have walked all 2987573ca77eSGeorge Wilson * children or we receive a non-NULL return from the callback. 2988573ca77eSGeorge Wilson * If a NULL callback is passed, then we just return back the first 2989573ca77eSGeorge Wilson * leaf vdev we encounter. 2990573ca77eSGeorge Wilson */ 2991573ca77eSGeorge Wilson vdev_t * 2992573ca77eSGeorge Wilson vdev_walk_tree(vdev_t *vd, vdev_t *(*func)(vdev_t *, void *), void *arg) 2993573ca77eSGeorge Wilson { 2994573ca77eSGeorge Wilson if (vd->vdev_ops->vdev_op_leaf) { 2995573ca77eSGeorge Wilson if (func == NULL) 2996573ca77eSGeorge Wilson return (vd); 2997573ca77eSGeorge Wilson else 2998573ca77eSGeorge Wilson return (func(vd, arg)); 2999573ca77eSGeorge Wilson } 3000573ca77eSGeorge Wilson 3001573ca77eSGeorge Wilson for (uint_t c = 0; c < vd->vdev_children; c++) { 3002573ca77eSGeorge Wilson vdev_t *cvd = vd->vdev_child[c]; 3003573ca77eSGeorge Wilson if ((cvd = vdev_walk_tree(cvd, func, arg)) != NULL) 3004573ca77eSGeorge Wilson return (cvd); 3005573ca77eSGeorge Wilson } 3006573ca77eSGeorge Wilson return (NULL); 3007573ca77eSGeorge Wilson } 3008573ca77eSGeorge Wilson 3009fa9e4066Sahrens /* 3010fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 3011fa9e4066Sahrens */ 3012b24ab676SJeff Bonwick /* ARGSUSED */ 3013fa9e4066Sahrens void 3014b24ab676SJeff Bonwick ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id) 3015fa9e4066Sahrens { 3016420dfc95SChris Siden spa_t *spa = ztest_spa; 3017b24ab676SJeff Bonwick vdev_t *vd, *tvd; 3018b24ab676SJeff Bonwick metaslab_class_t *mc; 3019b24ab676SJeff Bonwick metaslab_group_t *mg; 3020573ca77eSGeorge Wilson size_t psize, newsize; 3021b24ab676SJeff Bonwick uint64_t top; 3022b24ab676SJeff Bonwick uint64_t old_class_space, new_class_space, old_ms_count, new_ms_count; 3023fa9e4066Sahrens 3024420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 3025573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 3026573ca77eSGeorge Wilson 3027b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 3028573ca77eSGeorge Wilson 3029b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 3030b24ab676SJeff Bonwick mg = tvd->vdev_mg; 3031b24ab676SJeff Bonwick mc = mg->mg_class; 3032b24ab676SJeff Bonwick old_ms_count = tvd->vdev_ms_count; 3033b24ab676SJeff Bonwick old_class_space = metaslab_class_get_space(mc); 3034fa9e4066Sahrens 3035fa9e4066Sahrens /* 3036573ca77eSGeorge Wilson * Determine the size of the first leaf vdev associated with 3037573ca77eSGeorge Wilson * our top-level device. 3038fa9e4066Sahrens */ 3039573ca77eSGeorge Wilson vd = vdev_walk_tree(tvd, NULL, NULL); 3040573ca77eSGeorge Wilson ASSERT3P(vd, !=, NULL); 3041573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 3042fa9e4066Sahrens 3043573ca77eSGeorge Wilson psize = vd->vdev_psize; 3044fa9e4066Sahrens 3045573ca77eSGeorge Wilson /* 30468f18d1faSGeorge Wilson * We only try to expand the vdev if it's healthy, less than 4x its 30478f18d1faSGeorge Wilson * original size, and it has a valid psize. 3048573ca77eSGeorge Wilson */ 30498f18d1faSGeorge Wilson if (tvd->vdev_state != VDEV_STATE_HEALTHY || 3050420dfc95SChris Siden psize == 0 || psize >= 4 * ztest_opts.zo_vdev_size) { 3051573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 3052420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 3053573ca77eSGeorge Wilson return; 3054573ca77eSGeorge Wilson } 3055573ca77eSGeorge Wilson ASSERT(psize > 0); 3056573ca77eSGeorge Wilson newsize = psize + psize / 8; 3057573ca77eSGeorge Wilson ASSERT3U(newsize, >, psize); 3058fa9e4066Sahrens 3059420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 3060b24ab676SJeff Bonwick (void) printf("Expanding LUN %s from %lu to %lu\n", 3061573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)psize, (ulong_t)newsize); 3062573ca77eSGeorge Wilson } 3063573ca77eSGeorge Wilson 3064573ca77eSGeorge Wilson /* 3065573ca77eSGeorge Wilson * Growing the vdev is a two step process: 3066573ca77eSGeorge Wilson * 1). expand the physical size (i.e. relabel) 3067573ca77eSGeorge Wilson * 2). online the vdev to create the new metaslabs 3068573ca77eSGeorge Wilson */ 3069573ca77eSGeorge Wilson if (vdev_walk_tree(tvd, grow_vdev, &newsize) != NULL || 3070573ca77eSGeorge Wilson vdev_walk_tree(tvd, online_vdev, NULL) != NULL || 3071573ca77eSGeorge Wilson tvd->vdev_state != VDEV_STATE_HEALTHY) { 3072420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 3073b24ab676SJeff Bonwick (void) printf("Could not expand LUN because " 3074b24ab676SJeff Bonwick "the vdev configuration changed.\n"); 3075b24ab676SJeff Bonwick } 3076b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 3077420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 3078b24ab676SJeff Bonwick return; 3079b24ab676SJeff Bonwick } 3080b24ab676SJeff Bonwick 3081b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 3082b24ab676SJeff Bonwick 3083b24ab676SJeff Bonwick /* 3084b24ab676SJeff Bonwick * Expanding the LUN will update the config asynchronously, 3085b24ab676SJeff Bonwick * thus we must wait for the async thread to complete any 3086b24ab676SJeff Bonwick * pending tasks before proceeding. 3087b24ab676SJeff Bonwick */ 3088b24ab676SJeff Bonwick for (;;) { 3089b24ab676SJeff Bonwick boolean_t done; 3090b24ab676SJeff Bonwick mutex_enter(&spa->spa_async_lock); 3091b24ab676SJeff Bonwick done = (spa->spa_async_thread == NULL && !spa->spa_async_tasks); 3092b24ab676SJeff Bonwick mutex_exit(&spa->spa_async_lock); 3093b24ab676SJeff Bonwick if (done) 3094b24ab676SJeff Bonwick break; 3095b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 3096b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 3097b24ab676SJeff Bonwick } 3098b24ab676SJeff Bonwick 3099b24ab676SJeff Bonwick spa_config_enter(spa, SCL_STATE, spa, RW_READER); 3100b24ab676SJeff Bonwick 3101b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 3102b24ab676SJeff Bonwick new_ms_count = tvd->vdev_ms_count; 3103b24ab676SJeff Bonwick new_class_space = metaslab_class_get_space(mc); 3104b24ab676SJeff Bonwick 3105b24ab676SJeff Bonwick if (tvd->vdev_mg != mg || mg->mg_class != mc) { 3106420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 3107b24ab676SJeff Bonwick (void) printf("Could not verify LUN expansion due to " 3108b24ab676SJeff Bonwick "intervening vdev offline or remove.\n"); 3109fa9e4066Sahrens } 3110b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 3111420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 3112573ca77eSGeorge Wilson return; 3113fa9e4066Sahrens } 3114fa9e4066Sahrens 3115573ca77eSGeorge Wilson /* 3116b24ab676SJeff Bonwick * Make sure we were able to grow the vdev. 3117573ca77eSGeorge Wilson */ 3118b24ab676SJeff Bonwick if (new_ms_count <= old_ms_count) 3119b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: ms_count %llu <= %llu\n", 3120b24ab676SJeff Bonwick old_ms_count, new_ms_count); 3121573ca77eSGeorge Wilson 3122573ca77eSGeorge Wilson /* 3123573ca77eSGeorge Wilson * Make sure we were able to grow the pool. 3124573ca77eSGeorge Wilson */ 3125b24ab676SJeff Bonwick if (new_class_space <= old_class_space) 3126b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: class_space %llu <= %llu\n", 3127b24ab676SJeff Bonwick old_class_space, new_class_space); 3128b24ab676SJeff Bonwick 3129420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 3130573ca77eSGeorge Wilson char oldnumbuf[6], newnumbuf[6]; 3131573ca77eSGeorge Wilson 3132b24ab676SJeff Bonwick nicenum(old_class_space, oldnumbuf); 3133b24ab676SJeff Bonwick nicenum(new_class_space, newnumbuf); 3134573ca77eSGeorge Wilson (void) printf("%s grew from %s to %s\n", 3135573ca77eSGeorge Wilson spa->spa_name, oldnumbuf, newnumbuf); 3136573ca77eSGeorge Wilson } 3137b24ab676SJeff Bonwick 3138573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 3139420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 3140fa9e4066Sahrens } 3141fa9e4066Sahrens 3142b24ab676SJeff Bonwick /* 3143b24ab676SJeff Bonwick * Verify that dmu_objset_{create,destroy,open,close} work as expected. 3144b24ab676SJeff Bonwick */ 3145fa9e4066Sahrens /* ARGSUSED */ 3146fa9e4066Sahrens static void 3147b24ab676SJeff Bonwick ztest_objset_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 3148fa9e4066Sahrens { 3149fa9e4066Sahrens /* 3150b24ab676SJeff Bonwick * Create the objects common to all ztest datasets. 3151fa9e4066Sahrens */ 3152b24ab676SJeff Bonwick VERIFY(zap_create_claim(os, ZTEST_DIROBJ, 3153fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 3154fa9e4066Sahrens } 3155fa9e4066Sahrens 315655da60b9SMark J Musante static int 315755da60b9SMark J Musante ztest_dataset_create(char *dsname) 315855da60b9SMark J Musante { 315955da60b9SMark J Musante uint64_t zilset = ztest_random(100); 316055da60b9SMark J Musante int err = dmu_objset_create(dsname, DMU_OST_OTHER, 0, 316155da60b9SMark J Musante ztest_objset_create_cb, NULL); 316255da60b9SMark J Musante 316355da60b9SMark J Musante if (err || zilset < 80) 316455da60b9SMark J Musante return (err); 316555da60b9SMark J Musante 3166420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 3167420dfc95SChris Siden (void) printf("Setting dataset %s to sync always\n", dsname); 316855da60b9SMark J Musante return (ztest_dsl_prop_set_uint64(dsname, ZFS_PROP_SYNC, 316955da60b9SMark J Musante ZFS_SYNC_ALWAYS, B_FALSE)); 317055da60b9SMark J Musante } 317155da60b9SMark J Musante 3172b24ab676SJeff Bonwick /* ARGSUSED */ 31731d452cf5Sahrens static int 3174fd136879SMatthew Ahrens ztest_objset_destroy_cb(const char *name, void *arg) 3175fa9e4066Sahrens { 3176fa9e4066Sahrens objset_t *os; 3177b24ab676SJeff Bonwick dmu_object_info_t doi; 3178fa9e4066Sahrens int error; 3179fa9e4066Sahrens 3180fa9e4066Sahrens /* 3181fa9e4066Sahrens * Verify that the dataset contains a directory object. 3182fa9e4066Sahrens */ 31833b2aab18SMatthew Ahrens VERIFY0(dmu_objset_own(name, DMU_OST_OTHER, B_TRUE, FTAG, &os)); 3184b24ab676SJeff Bonwick error = dmu_object_info(os, ZTEST_DIROBJ, &doi); 3185e1930233Sbonwick if (error != ENOENT) { 3186e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 3187fb09f5aaSMadhav Suresh ASSERT0(error); 3188b24ab676SJeff Bonwick ASSERT3U(doi.doi_type, ==, DMU_OT_ZAP_OTHER); 3189b24ab676SJeff Bonwick ASSERT3S(doi.doi_physical_blocks_512, >=, 0); 3190e1930233Sbonwick } 31913b2aab18SMatthew Ahrens dmu_objset_disown(os, FTAG); 3192fa9e4066Sahrens 3193fa9e4066Sahrens /* 3194fa9e4066Sahrens * Destroy the dataset. 3195fa9e4066Sahrens */ 31963b2aab18SMatthew Ahrens if (strchr(name, '@') != NULL) { 31973b2aab18SMatthew Ahrens VERIFY0(dsl_destroy_snapshot(name, B_FALSE)); 31983b2aab18SMatthew Ahrens } else { 31993b2aab18SMatthew Ahrens VERIFY0(dsl_destroy_head(name)); 32003b2aab18SMatthew Ahrens } 32011d452cf5Sahrens return (0); 3202fa9e4066Sahrens } 3203fa9e4066Sahrens 3204b24ab676SJeff Bonwick static boolean_t 3205b24ab676SJeff Bonwick ztest_snapshot_create(char *osname, uint64_t id) 3206fa9e4066Sahrens { 3207b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 3208b24ab676SJeff Bonwick int error; 3209b24ab676SJeff Bonwick 32103b2aab18SMatthew Ahrens (void) snprintf(snapname, sizeof (snapname), "%llu", (u_longlong_t)id); 3211b24ab676SJeff Bonwick 32123b2aab18SMatthew Ahrens error = dmu_objset_snapshot_one(osname, snapname); 3213b24ab676SJeff Bonwick if (error == ENOSPC) { 3214b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3215b24ab676SJeff Bonwick return (B_FALSE); 3216b24ab676SJeff Bonwick } 32173b2aab18SMatthew Ahrens if (error != 0 && error != EEXIST) { 32183b2aab18SMatthew Ahrens fatal(0, "ztest_snapshot_create(%s@%s) = %d", osname, 32193b2aab18SMatthew Ahrens snapname, error); 32203b2aab18SMatthew Ahrens } 3221b24ab676SJeff Bonwick return (B_TRUE); 3222b24ab676SJeff Bonwick } 3223b24ab676SJeff Bonwick 3224b24ab676SJeff Bonwick static boolean_t 3225b24ab676SJeff Bonwick ztest_snapshot_destroy(char *osname, uint64_t id) 3226b24ab676SJeff Bonwick { 3227b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 3228b24ab676SJeff Bonwick int error; 3229b24ab676SJeff Bonwick 3230b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 3231b24ab676SJeff Bonwick (u_longlong_t)id); 3232b24ab676SJeff Bonwick 32333b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(snapname, B_FALSE); 3234b24ab676SJeff Bonwick if (error != 0 && error != ENOENT) 3235b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_destroy(%s) = %d", snapname, error); 3236b24ab676SJeff Bonwick return (B_TRUE); 3237fa9e4066Sahrens } 3238fa9e4066Sahrens 3239b24ab676SJeff Bonwick /* ARGSUSED */ 3240fa9e4066Sahrens void 3241b24ab676SJeff Bonwick ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64_t id) 3242fa9e4066Sahrens { 3243b24ab676SJeff Bonwick ztest_ds_t zdtmp; 3244b24ab676SJeff Bonwick int iters; 3245fa9e4066Sahrens int error; 3246745cd3c5Smaybee objset_t *os, *os2; 3247b24ab676SJeff Bonwick char name[MAXNAMELEN]; 3248fa9e4066Sahrens zilog_t *zilog; 3249fa9e4066Sahrens 3250420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 3251b24ab676SJeff Bonwick 3252b24ab676SJeff Bonwick (void) snprintf(name, MAXNAMELEN, "%s/temp_%llu", 3253420dfc95SChris Siden ztest_opts.zo_pool, (u_longlong_t)id); 3254fa9e4066Sahrens 3255fa9e4066Sahrens /* 3256fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 3257fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 3258b24ab676SJeff Bonwick * (invoked from ztest_objset_destroy_cb()) should just throw it away. 3259fa9e4066Sahrens */ 3260fa9e4066Sahrens if (ztest_random(2) == 0 && 3261503ad85cSMatthew Ahrens dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os) == 0) { 3262420dfc95SChris Siden ztest_zd_init(&zdtmp, NULL, os); 3263b24ab676SJeff Bonwick zil_replay(os, &zdtmp, ztest_replay_vector); 3264b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3265503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3266fa9e4066Sahrens } 3267fa9e4066Sahrens 3268fa9e4066Sahrens /* 3269fa9e4066Sahrens * There may be an old instance of the dataset we're about to 3270fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 3271fa9e4066Sahrens * and all of its snapshots. 3272fa9e4066Sahrens */ 3273b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 32740b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 3275fa9e4066Sahrens 3276fa9e4066Sahrens /* 3277fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 3278fa9e4066Sahrens */ 32793b2aab18SMatthew Ahrens VERIFY3U(ENOENT, ==, dmu_objset_own(name, DMU_OST_OTHER, B_TRUE, 32803b2aab18SMatthew Ahrens FTAG, &os)); 3281fa9e4066Sahrens 3282fa9e4066Sahrens /* 3283fa9e4066Sahrens * Verify that we can create a new dataset. 3284fa9e4066Sahrens */ 328555da60b9SMark J Musante error = ztest_dataset_create(name); 3286fa9e4066Sahrens if (error) { 3287fa9e4066Sahrens if (error == ENOSPC) { 3288b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3289420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3290fa9e4066Sahrens return; 3291fa9e4066Sahrens } 3292fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 3293fa9e4066Sahrens } 3294fa9e4066Sahrens 32953b2aab18SMatthew Ahrens VERIFY0(dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os)); 3296b24ab676SJeff Bonwick 3297420dfc95SChris Siden ztest_zd_init(&zdtmp, NULL, os); 3298fa9e4066Sahrens 3299fa9e4066Sahrens /* 3300fa9e4066Sahrens * Open the intent log for it. 3301fa9e4066Sahrens */ 3302b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 3303fa9e4066Sahrens 3304fa9e4066Sahrens /* 3305b24ab676SJeff Bonwick * Put some objects in there, do a little I/O to them, 3306b24ab676SJeff Bonwick * and randomly take a couple of snapshots along the way. 3307fa9e4066Sahrens */ 3308b24ab676SJeff Bonwick iters = ztest_random(5); 3309b24ab676SJeff Bonwick for (int i = 0; i < iters; i++) { 3310b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(&zdtmp, id); 3311b24ab676SJeff Bonwick if (ztest_random(iters) == 0) 3312b24ab676SJeff Bonwick (void) ztest_snapshot_create(name, i); 3313fa9e4066Sahrens } 3314fa9e4066Sahrens 3315fa9e4066Sahrens /* 3316fa9e4066Sahrens * Verify that we cannot create an existing dataset. 3317fa9e4066Sahrens */ 3318b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, 3319b24ab676SJeff Bonwick dmu_objset_create(name, DMU_OST_OTHER, 0, NULL, NULL)); 3320fa9e4066Sahrens 3321fa9e4066Sahrens /* 3322503ad85cSMatthew Ahrens * Verify that we can hold an objset that is also owned. 3323745cd3c5Smaybee */ 3324b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os2)); 3325503ad85cSMatthew Ahrens dmu_objset_rele(os2, FTAG); 3326503ad85cSMatthew Ahrens 3327503ad85cSMatthew Ahrens /* 3328b24ab676SJeff Bonwick * Verify that we cannot own an objset that is already owned. 3329503ad85cSMatthew Ahrens */ 3330b24ab676SJeff Bonwick VERIFY3U(EBUSY, ==, 3331b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os2)); 3332fa9e4066Sahrens 3333fa9e4066Sahrens zil_close(zilog); 3334503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3335b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3336fa9e4066Sahrens 3337420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3338fa9e4066Sahrens } 3339fa9e4066Sahrens 3340fa9e4066Sahrens /* 3341fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 3342fa9e4066Sahrens */ 3343fa9e4066Sahrens void 3344b24ab676SJeff Bonwick ztest_dmu_snapshot_create_destroy(ztest_ds_t *zd, uint64_t id) 3345fa9e4066Sahrens { 3346420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 3347b24ab676SJeff Bonwick (void) ztest_snapshot_destroy(zd->zd_name, id); 3348b24ab676SJeff Bonwick (void) ztest_snapshot_create(zd->zd_name, id); 3349420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 33504f5064b7SMark J Musante } 33514f5064b7SMark J Musante 3352718d718aSGeorge Wilson /* 3353718d718aSGeorge Wilson * Cleanup non-standard snapshots and clones. 3354718d718aSGeorge Wilson */ 3355718d718aSGeorge Wilson void 3356b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(char *osname, uint64_t id) 3357718d718aSGeorge Wilson { 3358b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3359b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3360b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3361b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3362b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3363718d718aSGeorge Wilson int error; 3364718d718aSGeorge Wilson 3365b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3366b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3367b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3368b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3369b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 3370718d718aSGeorge Wilson 33713b2aab18SMatthew Ahrens error = dsl_destroy_head(clone2name); 3372718d718aSGeorge Wilson if (error && error != ENOENT) 33733b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_head(%s) = %d", clone2name, error); 33743b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(snap3name, B_FALSE); 3375718d718aSGeorge Wilson if (error && error != ENOENT) 33763b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_snapshot(%s) = %d", snap3name, error); 33773b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(snap2name, B_FALSE); 3378718d718aSGeorge Wilson if (error && error != ENOENT) 33793b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_snapshot(%s) = %d", snap2name, error); 33803b2aab18SMatthew Ahrens error = dsl_destroy_head(clone1name); 3381718d718aSGeorge Wilson if (error && error != ENOENT) 33823b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_head(%s) = %d", clone1name, error); 33833b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(snap1name, B_FALSE); 3384718d718aSGeorge Wilson if (error && error != ENOENT) 33853b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_snapshot(%s) = %d", snap1name, error); 3386718d718aSGeorge Wilson } 3387718d718aSGeorge Wilson 33884f5064b7SMark J Musante /* 33894f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 33904f5064b7SMark J Musante */ 33914f5064b7SMark J Musante void 3392b24ab676SJeff Bonwick ztest_dsl_dataset_promote_busy(ztest_ds_t *zd, uint64_t id) 33934f5064b7SMark J Musante { 33943b2aab18SMatthew Ahrens objset_t *os; 3395b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3396b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3397b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3398b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3399b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3400b24ab676SJeff Bonwick char *osname = zd->zd_name; 3401b24ab676SJeff Bonwick int error; 34024f5064b7SMark J Musante 3403420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 34044f5064b7SMark J Musante 3405b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 3406718d718aSGeorge Wilson 3407b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3408b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3409b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3410b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3411b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 341205312e2cSMark J Musante 34134445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, strchr(snap1name, '@') + 1); 3414b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3415b2d22b66SGeorge Wilson if (error == ENOSPC) { 3416b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3417b2d22b66SGeorge Wilson goto out; 3418b2d22b66SGeorge Wilson } 3419b2d22b66SGeorge Wilson fatal(0, "dmu_take_snapshot(%s) = %d", snap1name, error); 3420b2d22b66SGeorge Wilson } 34214f5064b7SMark J Musante 34223b2aab18SMatthew Ahrens error = dmu_objset_clone(clone1name, snap1name); 3423b2d22b66SGeorge Wilson if (error) { 3424b2d22b66SGeorge Wilson if (error == ENOSPC) { 3425b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3426b2d22b66SGeorge Wilson goto out; 3427b2d22b66SGeorge Wilson } 3428b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 3429b2d22b66SGeorge Wilson } 34304f5064b7SMark J Musante 34314445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(clone1name, strchr(snap2name, '@') + 1); 3432b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3433b2d22b66SGeorge Wilson if (error == ENOSPC) { 3434b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3435b2d22b66SGeorge Wilson goto out; 3436b2d22b66SGeorge Wilson } 3437b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap2name, error); 3438b2d22b66SGeorge Wilson } 34394f5064b7SMark J Musante 34404445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(clone1name, strchr(snap3name, '@') + 1); 3441b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3442b2d22b66SGeorge Wilson if (error == ENOSPC) { 3443b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3444b2d22b66SGeorge Wilson goto out; 3445b2d22b66SGeorge Wilson } 3446b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 3447b2d22b66SGeorge Wilson } 34484f5064b7SMark J Musante 34493b2aab18SMatthew Ahrens error = dmu_objset_clone(clone2name, snap3name); 3450b2d22b66SGeorge Wilson if (error) { 3451b2d22b66SGeorge Wilson if (error == ENOSPC) { 3452b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3453b2d22b66SGeorge Wilson goto out; 3454b2d22b66SGeorge Wilson } 3455b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 3456b2d22b66SGeorge Wilson } 34574f5064b7SMark J Musante 34583b2aab18SMatthew Ahrens error = dmu_objset_own(snap2name, DMU_OST_ANY, B_TRUE, FTAG, &os); 34594f5064b7SMark J Musante if (error) 34603b2aab18SMatthew Ahrens fatal(0, "dmu_objset_own(%s) = %d", snap2name, error); 3461681d9761SEric Taylor error = dsl_dataset_promote(clone2name, NULL); 34624f5064b7SMark J Musante if (error != EBUSY) 34634f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 34644f5064b7SMark J Musante error); 34653b2aab18SMatthew Ahrens dmu_objset_disown(os, FTAG); 34664f5064b7SMark J Musante 3467b2d22b66SGeorge Wilson out: 3468b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 34694f5064b7SMark J Musante 3470420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3471fa9e4066Sahrens } 3472fa9e4066Sahrens 3473fa9e4066Sahrens /* 3474fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 3475fa9e4066Sahrens */ 3476fa9e4066Sahrens void 3477b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(ztest_ds_t *zd, uint64_t id) 3478fa9e4066Sahrens { 3479b24ab676SJeff Bonwick ztest_od_t od[4]; 3480b24ab676SJeff Bonwick int batchsize = sizeof (od) / sizeof (od[0]); 3481fa9e4066Sahrens 3482b24ab676SJeff Bonwick for (int b = 0; b < batchsize; b++) 3483b24ab676SJeff Bonwick ztest_od_init(&od[b], id, FTAG, b, DMU_OT_UINT64_OTHER, 0, 0); 3484fa9e4066Sahrens 3485fa9e4066Sahrens /* 3486b24ab676SJeff Bonwick * Destroy the previous batch of objects, create a new batch, 3487b24ab676SJeff Bonwick * and do some I/O on the new objects. 3488fa9e4066Sahrens */ 3489b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_TRUE) != 0) 3490b24ab676SJeff Bonwick return; 3491fa9e4066Sahrens 3492b24ab676SJeff Bonwick while (ztest_random(4 * batchsize) != 0) 3493b24ab676SJeff Bonwick ztest_io(zd, od[ztest_random(batchsize)].od_object, 3494b24ab676SJeff Bonwick ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3495fa9e4066Sahrens } 3496fa9e4066Sahrens 3497fa9e4066Sahrens /* 3498fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 3499fa9e4066Sahrens */ 3500fa9e4066Sahrens void 3501b24ab676SJeff Bonwick ztest_dmu_read_write(ztest_ds_t *zd, uint64_t id) 3502fa9e4066Sahrens { 3503b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3504b24ab676SJeff Bonwick ztest_od_t od[2]; 3505fa9e4066Sahrens dmu_tx_t *tx; 3506fa9e4066Sahrens int i, freeit, error; 3507fa9e4066Sahrens uint64_t n, s, txg; 3508fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 3509b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3510b24ab676SJeff Bonwick uint64_t chunksize = (1000 + ztest_random(1000)) * sizeof (uint64_t); 3511fa9e4066Sahrens uint64_t regions = 997; 3512fa9e4066Sahrens uint64_t stride = 123456789ULL; 3513fa9e4066Sahrens uint64_t width = 40; 3514fa9e4066Sahrens int free_percent = 5; 3515fa9e4066Sahrens 3516fa9e4066Sahrens /* 3517fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 3518fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 3519fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 3520fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 3521fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 3522fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 3523fa9e4066Sahrens * 3524fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 3525fa9e4066Sahrens * bigobj, at the head of the nth chunk 3526fa9e4066Sahrens * bigobj, at the tail of the nth chunk 3527fa9e4066Sahrens * 3528fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 3529fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 3530fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 3531fa9e4066Sahrens * 3532fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 3533fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 3534fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 3535fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 3536fa9e4066Sahrens * tracking which parts of an object are allocated and free, 3537fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 3538fa9e4066Sahrens */ 3539fa9e4066Sahrens 3540fa9e4066Sahrens /* 3541fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 3542fa9e4066Sahrens */ 3543b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, chunksize); 3544b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 3545fa9e4066Sahrens 3546b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3547b24ab676SJeff Bonwick return; 3548fa9e4066Sahrens 3549b24ab676SJeff Bonwick bigobj = od[0].od_object; 3550b24ab676SJeff Bonwick packobj = od[1].od_object; 3551b24ab676SJeff Bonwick chunksize = od[0].od_gen; 3552b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 3553fa9e4066Sahrens 3554fa9e4066Sahrens /* 3555fa9e4066Sahrens * Prefetch a random chunk of the big object. 3556fa9e4066Sahrens * Our aim here is to get some async reads in flight 3557fa9e4066Sahrens * for blocks that we may free below; the DMU should 3558fa9e4066Sahrens * handle this race correctly. 3559fa9e4066Sahrens */ 3560fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3561fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 3562b24ab676SJeff Bonwick dmu_prefetch(os, bigobj, n * chunksize, s * chunksize); 3563fa9e4066Sahrens 3564fa9e4066Sahrens /* 3565fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 3566fa9e4066Sahrens */ 3567fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3568fa9e4066Sahrens s = 1 + ztest_random(width - 1); 3569fa9e4066Sahrens 3570fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 3571fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 3572fa9e4066Sahrens 3573b24ab676SJeff Bonwick bigoff = n * chunksize; 3574b24ab676SJeff Bonwick bigsize = s * chunksize; 3575fa9e4066Sahrens 3576fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 3577fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 3578fa9e4066Sahrens 3579fa9e4066Sahrens /* 3580fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 3581fa9e4066Sahrens * overwriting it. 3582fa9e4066Sahrens */ 3583fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 3584fa9e4066Sahrens 3585fa9e4066Sahrens /* 3586fa9e4066Sahrens * Read the current contents of our objects. 3587fa9e4066Sahrens */ 3588b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, packsize, packbuf, 35897bfdf011SNeil Perrin DMU_READ_PREFETCH); 3590fb09f5aaSMadhav Suresh ASSERT0(error); 3591b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, bigbuf, 35927bfdf011SNeil Perrin DMU_READ_PREFETCH); 3593fb09f5aaSMadhav Suresh ASSERT0(error); 3594fa9e4066Sahrens 3595fa9e4066Sahrens /* 3596fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 3597fa9e4066Sahrens */ 3598fa9e4066Sahrens tx = dmu_tx_create(os); 3599fa9e4066Sahrens 3600b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3601fa9e4066Sahrens 3602fa9e4066Sahrens if (freeit) 3603b24ab676SJeff Bonwick dmu_tx_hold_free(tx, bigobj, bigoff, bigsize); 3604fa9e4066Sahrens else 3605b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 3606fa9e4066Sahrens 3607b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3608b24ab676SJeff Bonwick if (txg == 0) { 3609fa9e4066Sahrens umem_free(packbuf, packsize); 3610fa9e4066Sahrens umem_free(bigbuf, bigsize); 3611fa9e4066Sahrens return; 3612fa9e4066Sahrens } 3613fa9e4066Sahrens 3614b24ab676SJeff Bonwick dmu_object_set_checksum(os, bigobj, 3615b24ab676SJeff Bonwick (enum zio_checksum)ztest_random_dsl_prop(ZFS_PROP_CHECKSUM), tx); 3616b24ab676SJeff Bonwick 3617b24ab676SJeff Bonwick dmu_object_set_compress(os, bigobj, 3618b24ab676SJeff Bonwick (enum zio_compress)ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), tx); 3619fa9e4066Sahrens 3620fa9e4066Sahrens /* 3621fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 3622fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 3623fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 3624fa9e4066Sahrens * with the new values we want to write out. 3625fa9e4066Sahrens */ 3626fa9e4066Sahrens for (i = 0; i < s; i++) { 3627fa9e4066Sahrens /* LINTED */ 3628fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 3629fa9e4066Sahrens /* LINTED */ 3630b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 3631fa9e4066Sahrens /* LINTED */ 3632b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 3633fa9e4066Sahrens 3634fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 3635fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 3636fa9e4066Sahrens 3637fa9e4066Sahrens if (pack->bw_txg > txg) 3638fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 3639fa9e4066Sahrens pack->bw_txg, txg); 3640fa9e4066Sahrens 3641fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 3642fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 3643fa9e4066Sahrens pack->bw_index, n, i); 3644fa9e4066Sahrens 3645fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 3646fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 3647fa9e4066Sahrens 3648fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 3649fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 3650fa9e4066Sahrens 3651fa9e4066Sahrens if (freeit) { 3652fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 3653fa9e4066Sahrens } else { 3654fa9e4066Sahrens pack->bw_index = n + i; 3655fa9e4066Sahrens pack->bw_txg = txg; 3656fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 3657fa9e4066Sahrens } 3658fa9e4066Sahrens *bigH = *pack; 3659fa9e4066Sahrens *bigT = *pack; 3660fa9e4066Sahrens } 3661fa9e4066Sahrens 3662fa9e4066Sahrens /* 3663fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 3664fa9e4066Sahrens * Now write them out. 3665fa9e4066Sahrens */ 3666b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3667fa9e4066Sahrens 3668fa9e4066Sahrens if (freeit) { 3669420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 3670fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 3671fa9e4066Sahrens " txg %llx\n", 3672fa9e4066Sahrens (u_longlong_t)bigoff, 3673fa9e4066Sahrens (u_longlong_t)bigsize, 3674fa9e4066Sahrens (u_longlong_t)txg); 3675fa9e4066Sahrens } 3676b24ab676SJeff Bonwick VERIFY(0 == dmu_free_range(os, bigobj, bigoff, bigsize, tx)); 3677fa9e4066Sahrens } else { 3678420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 3679fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 3680fa9e4066Sahrens " txg %llx\n", 3681fa9e4066Sahrens (u_longlong_t)bigoff, 3682fa9e4066Sahrens (u_longlong_t)bigsize, 3683fa9e4066Sahrens (u_longlong_t)txg); 3684fa9e4066Sahrens } 3685b24ab676SJeff Bonwick dmu_write(os, bigobj, bigoff, bigsize, bigbuf, tx); 3686fa9e4066Sahrens } 3687fa9e4066Sahrens 3688fa9e4066Sahrens dmu_tx_commit(tx); 3689fa9e4066Sahrens 3690fa9e4066Sahrens /* 3691fa9e4066Sahrens * Sanity check the stuff we just wrote. 3692fa9e4066Sahrens */ 3693fa9e4066Sahrens { 3694fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 3695fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 3696fa9e4066Sahrens 3697b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 36987bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3699b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 37007bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 3701fa9e4066Sahrens 3702fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 3703fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 3704fa9e4066Sahrens 3705fa9e4066Sahrens umem_free(packcheck, packsize); 3706fa9e4066Sahrens umem_free(bigcheck, bigsize); 3707fa9e4066Sahrens } 3708fa9e4066Sahrens 3709fa9e4066Sahrens umem_free(packbuf, packsize); 3710fa9e4066Sahrens umem_free(bigbuf, bigsize); 3711fa9e4066Sahrens } 3712fa9e4066Sahrens 37132fdbea25SAleksandr Guzovskiy void 37142fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(uint64_t s, bufwad_t *packbuf, bufwad_t *bigbuf, 3715b24ab676SJeff Bonwick uint64_t bigsize, uint64_t n, uint64_t chunksize, uint64_t txg) 37162fdbea25SAleksandr Guzovskiy { 37172fdbea25SAleksandr Guzovskiy uint64_t i; 37182fdbea25SAleksandr Guzovskiy bufwad_t *pack; 37192fdbea25SAleksandr Guzovskiy bufwad_t *bigH; 37202fdbea25SAleksandr Guzovskiy bufwad_t *bigT; 37212fdbea25SAleksandr Guzovskiy 37222fdbea25SAleksandr Guzovskiy /* 37232fdbea25SAleksandr Guzovskiy * For each index from n to n + s, verify that the existing bufwad 37242fdbea25SAleksandr Guzovskiy * in packobj matches the bufwads at the head and tail of the 37252fdbea25SAleksandr Guzovskiy * corresponding chunk in bigobj. Then update all three bufwads 37262fdbea25SAleksandr Guzovskiy * with the new values we want to write out. 37272fdbea25SAleksandr Guzovskiy */ 37282fdbea25SAleksandr Guzovskiy for (i = 0; i < s; i++) { 37292fdbea25SAleksandr Guzovskiy /* LINTED */ 37302fdbea25SAleksandr Guzovskiy pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 37312fdbea25SAleksandr Guzovskiy /* LINTED */ 3732b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 37332fdbea25SAleksandr Guzovskiy /* LINTED */ 3734b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 37352fdbea25SAleksandr Guzovskiy 37362fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 37372fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 37382fdbea25SAleksandr Guzovskiy 37392fdbea25SAleksandr Guzovskiy if (pack->bw_txg > txg) 37402fdbea25SAleksandr Guzovskiy fatal(0, "future leak: got %llx, open txg is %llx", 37412fdbea25SAleksandr Guzovskiy pack->bw_txg, txg); 37422fdbea25SAleksandr Guzovskiy 37432fdbea25SAleksandr Guzovskiy if (pack->bw_data != 0 && pack->bw_index != n + i) 37442fdbea25SAleksandr Guzovskiy fatal(0, "wrong index: got %llx, wanted %llx+%llx", 37452fdbea25SAleksandr Guzovskiy pack->bw_index, n, i); 37462fdbea25SAleksandr Guzovskiy 37472fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 37482fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 37492fdbea25SAleksandr Guzovskiy 37502fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 37512fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 37522fdbea25SAleksandr Guzovskiy 37532fdbea25SAleksandr Guzovskiy pack->bw_index = n + i; 37542fdbea25SAleksandr Guzovskiy pack->bw_txg = txg; 37552fdbea25SAleksandr Guzovskiy pack->bw_data = 1 + ztest_random(-2ULL); 37562fdbea25SAleksandr Guzovskiy 37572fdbea25SAleksandr Guzovskiy *bigH = *pack; 37582fdbea25SAleksandr Guzovskiy *bigT = *pack; 37592fdbea25SAleksandr Guzovskiy } 37602fdbea25SAleksandr Guzovskiy } 37612fdbea25SAleksandr Guzovskiy 37622fdbea25SAleksandr Guzovskiy void 3763b24ab676SJeff Bonwick ztest_dmu_read_write_zcopy(ztest_ds_t *zd, uint64_t id) 37642fdbea25SAleksandr Guzovskiy { 3765b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3766b24ab676SJeff Bonwick ztest_od_t od[2]; 37672fdbea25SAleksandr Guzovskiy dmu_tx_t *tx; 37682fdbea25SAleksandr Guzovskiy uint64_t i; 37692fdbea25SAleksandr Guzovskiy int error; 37702fdbea25SAleksandr Guzovskiy uint64_t n, s, txg; 37712fdbea25SAleksandr Guzovskiy bufwad_t *packbuf, *bigbuf; 3772b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3773b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3774b24ab676SJeff Bonwick uint64_t chunksize = blocksize; 37752fdbea25SAleksandr Guzovskiy uint64_t regions = 997; 37762fdbea25SAleksandr Guzovskiy uint64_t stride = 123456789ULL; 37772fdbea25SAleksandr Guzovskiy uint64_t width = 9; 37782fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 37792fdbea25SAleksandr Guzovskiy arc_buf_t **bigbuf_arcbufs; 3780b24ab676SJeff Bonwick dmu_object_info_t doi; 37812fdbea25SAleksandr Guzovskiy 37822fdbea25SAleksandr Guzovskiy /* 37832fdbea25SAleksandr Guzovskiy * This test uses two objects, packobj and bigobj, that are always 37842fdbea25SAleksandr Guzovskiy * updated together (i.e. in the same tx) so that their contents are 37852fdbea25SAleksandr Guzovskiy * in sync and can be compared. Their contents relate to each other 37862fdbea25SAleksandr Guzovskiy * in a simple way: packobj is a dense array of 'bufwad' structures, 37872fdbea25SAleksandr Guzovskiy * while bigobj is a sparse array of the same bufwads. Specifically, 37882fdbea25SAleksandr Guzovskiy * for any index n, there are three bufwads that should be identical: 37892fdbea25SAleksandr Guzovskiy * 37902fdbea25SAleksandr Guzovskiy * packobj, at offset n * sizeof (bufwad_t) 37912fdbea25SAleksandr Guzovskiy * bigobj, at the head of the nth chunk 37922fdbea25SAleksandr Guzovskiy * bigobj, at the tail of the nth chunk 37932fdbea25SAleksandr Guzovskiy * 37942fdbea25SAleksandr Guzovskiy * The chunk size is set equal to bigobj block size so that 37952fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() can be tested for object updates. 37962fdbea25SAleksandr Guzovskiy */ 37972fdbea25SAleksandr Guzovskiy 37982fdbea25SAleksandr Guzovskiy /* 37992fdbea25SAleksandr Guzovskiy * Read the directory info. If it's the first time, set things up. 38002fdbea25SAleksandr Guzovskiy */ 3801b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3802b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 38032fdbea25SAleksandr Guzovskiy 3804b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3805b24ab676SJeff Bonwick return; 38062fdbea25SAleksandr Guzovskiy 3807b24ab676SJeff Bonwick bigobj = od[0].od_object; 3808b24ab676SJeff Bonwick packobj = od[1].od_object; 3809b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 3810b24ab676SJeff Bonwick chunksize = blocksize; 3811b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 38122fdbea25SAleksandr Guzovskiy 3813b24ab676SJeff Bonwick VERIFY(dmu_object_info(os, bigobj, &doi) == 0); 3814b24ab676SJeff Bonwick VERIFY(ISP2(doi.doi_data_block_size)); 3815b24ab676SJeff Bonwick VERIFY(chunksize == doi.doi_data_block_size); 3816b24ab676SJeff Bonwick VERIFY(chunksize >= 2 * sizeof (bufwad_t)); 38172fdbea25SAleksandr Guzovskiy 38182fdbea25SAleksandr Guzovskiy /* 38192fdbea25SAleksandr Guzovskiy * Pick a random index and compute the offsets into packobj and bigobj. 38202fdbea25SAleksandr Guzovskiy */ 38212fdbea25SAleksandr Guzovskiy n = ztest_random(regions) * stride + ztest_random(width); 38222fdbea25SAleksandr Guzovskiy s = 1 + ztest_random(width - 1); 38232fdbea25SAleksandr Guzovskiy 38242fdbea25SAleksandr Guzovskiy packoff = n * sizeof (bufwad_t); 38252fdbea25SAleksandr Guzovskiy packsize = s * sizeof (bufwad_t); 38262fdbea25SAleksandr Guzovskiy 3827b24ab676SJeff Bonwick bigoff = n * chunksize; 3828b24ab676SJeff Bonwick bigsize = s * chunksize; 38292fdbea25SAleksandr Guzovskiy 38302fdbea25SAleksandr Guzovskiy packbuf = umem_zalloc(packsize, UMEM_NOFAIL); 38312fdbea25SAleksandr Guzovskiy bigbuf = umem_zalloc(bigsize, UMEM_NOFAIL); 38322fdbea25SAleksandr Guzovskiy 3833b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, bigobj, FTAG, &bonus_db)); 38342fdbea25SAleksandr Guzovskiy 38352fdbea25SAleksandr Guzovskiy bigbuf_arcbufs = umem_zalloc(2 * s * sizeof (arc_buf_t *), UMEM_NOFAIL); 38362fdbea25SAleksandr Guzovskiy 38372fdbea25SAleksandr Guzovskiy /* 38382fdbea25SAleksandr Guzovskiy * Iteration 0 test zcopy for DB_UNCACHED dbufs. 38392fdbea25SAleksandr Guzovskiy * Iteration 1 test zcopy to already referenced dbufs. 38402fdbea25SAleksandr Guzovskiy * Iteration 2 test zcopy to dirty dbuf in the same txg. 38412fdbea25SAleksandr Guzovskiy * Iteration 3 test zcopy to dbuf dirty in previous txg. 38422fdbea25SAleksandr Guzovskiy * Iteration 4 test zcopy when dbuf is no longer dirty. 38432fdbea25SAleksandr Guzovskiy * Iteration 5 test zcopy when it can't be done. 38442fdbea25SAleksandr Guzovskiy * Iteration 6 one more zcopy write. 38452fdbea25SAleksandr Guzovskiy */ 38462fdbea25SAleksandr Guzovskiy for (i = 0; i < 7; i++) { 38472fdbea25SAleksandr Guzovskiy uint64_t j; 38482fdbea25SAleksandr Guzovskiy uint64_t off; 38492fdbea25SAleksandr Guzovskiy 38502fdbea25SAleksandr Guzovskiy /* 38512fdbea25SAleksandr Guzovskiy * In iteration 5 (i == 5) use arcbufs 38522fdbea25SAleksandr Guzovskiy * that don't match bigobj blksz to test 38532fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() when it can't directly 38542fdbea25SAleksandr Guzovskiy * assign an arcbuf to a dbuf. 38552fdbea25SAleksandr Guzovskiy */ 38562fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 38572fdbea25SAleksandr Guzovskiy if (i != 5) { 38582fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j] = 3859b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize); 38602fdbea25SAleksandr Guzovskiy } else { 38612fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j] = 3862b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 38632fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1] = 3864b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 38652fdbea25SAleksandr Guzovskiy } 38662fdbea25SAleksandr Guzovskiy } 38672fdbea25SAleksandr Guzovskiy 38682fdbea25SAleksandr Guzovskiy /* 38692fdbea25SAleksandr Guzovskiy * Get a tx for the mods to both packobj and bigobj. 38702fdbea25SAleksandr Guzovskiy */ 38712fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 38722fdbea25SAleksandr Guzovskiy 3873b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3874b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 38752fdbea25SAleksandr Guzovskiy 3876b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3877b24ab676SJeff Bonwick if (txg == 0) { 38782fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 38792fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 38802fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 38812fdbea25SAleksandr Guzovskiy if (i != 5) { 38822fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(bigbuf_arcbufs[j]); 38832fdbea25SAleksandr Guzovskiy } else { 38842fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 38852fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]); 38862fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 38872fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]); 38882fdbea25SAleksandr Guzovskiy } 38892fdbea25SAleksandr Guzovskiy } 38902fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 38912fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 38922fdbea25SAleksandr Guzovskiy return; 38932fdbea25SAleksandr Guzovskiy } 38942fdbea25SAleksandr Guzovskiy 38952fdbea25SAleksandr Guzovskiy /* 38962fdbea25SAleksandr Guzovskiy * 50% of the time don't read objects in the 1st iteration to 38972fdbea25SAleksandr Guzovskiy * test dmu_assign_arcbuf() for the case when there're no 38982fdbea25SAleksandr Guzovskiy * existing dbufs for the specified offsets. 38992fdbea25SAleksandr Guzovskiy */ 39002fdbea25SAleksandr Guzovskiy if (i != 0 || ztest_random(2) != 0) { 3901b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, 39027bfdf011SNeil Perrin packsize, packbuf, DMU_READ_PREFETCH); 3903fb09f5aaSMadhav Suresh ASSERT0(error); 3904b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, 39057bfdf011SNeil Perrin bigbuf, DMU_READ_PREFETCH); 3906fb09f5aaSMadhav Suresh ASSERT0(error); 39072fdbea25SAleksandr Guzovskiy } 39082fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(s, packbuf, bigbuf, bigsize, 3909b24ab676SJeff Bonwick n, chunksize, txg); 39102fdbea25SAleksandr Guzovskiy 39112fdbea25SAleksandr Guzovskiy /* 39122fdbea25SAleksandr Guzovskiy * We've verified all the old bufwads, and made new ones. 39132fdbea25SAleksandr Guzovskiy * Now write them out. 39142fdbea25SAleksandr Guzovskiy */ 3915b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3916420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 39172fdbea25SAleksandr Guzovskiy (void) printf("writing offset %llx size %llx" 39182fdbea25SAleksandr Guzovskiy " txg %llx\n", 39192fdbea25SAleksandr Guzovskiy (u_longlong_t)bigoff, 39202fdbea25SAleksandr Guzovskiy (u_longlong_t)bigsize, 39212fdbea25SAleksandr Guzovskiy (u_longlong_t)txg); 39222fdbea25SAleksandr Guzovskiy } 3923b24ab676SJeff Bonwick for (off = bigoff, j = 0; j < s; j++, off += chunksize) { 39242fdbea25SAleksandr Guzovskiy dmu_buf_t *dbt; 39252fdbea25SAleksandr Guzovskiy if (i != 5) { 39262fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 3927b24ab676SJeff Bonwick bigbuf_arcbufs[j]->b_data, chunksize); 39282fdbea25SAleksandr Guzovskiy } else { 39292fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 39302fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]->b_data, 3931b24ab676SJeff Bonwick chunksize / 2); 39322fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff) + 3933b24ab676SJeff Bonwick chunksize / 2, 39342fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]->b_data, 3935b24ab676SJeff Bonwick chunksize / 2); 39362fdbea25SAleksandr Guzovskiy } 39372fdbea25SAleksandr Guzovskiy 39382fdbea25SAleksandr Guzovskiy if (i == 1) { 3939b24ab676SJeff Bonwick VERIFY(dmu_buf_hold(os, bigobj, off, 394047cb52daSJeff Bonwick FTAG, &dbt, DMU_READ_NO_PREFETCH) == 0); 39412fdbea25SAleksandr Guzovskiy } 39422fdbea25SAleksandr Guzovskiy if (i != 5) { 39432fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 39442fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j], tx); 39452fdbea25SAleksandr Guzovskiy } else { 39462fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 39472fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j], tx); 39482fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, 3949b24ab676SJeff Bonwick off + chunksize / 2, 39502fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1], tx); 39512fdbea25SAleksandr Guzovskiy } 39522fdbea25SAleksandr Guzovskiy if (i == 1) { 39532fdbea25SAleksandr Guzovskiy dmu_buf_rele(dbt, FTAG); 39542fdbea25SAleksandr Guzovskiy } 39552fdbea25SAleksandr Guzovskiy } 39562fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 39572fdbea25SAleksandr Guzovskiy 39582fdbea25SAleksandr Guzovskiy /* 39592fdbea25SAleksandr Guzovskiy * Sanity check the stuff we just wrote. 39602fdbea25SAleksandr Guzovskiy */ 39612fdbea25SAleksandr Guzovskiy { 39622fdbea25SAleksandr Guzovskiy void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 39632fdbea25SAleksandr Guzovskiy void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 39642fdbea25SAleksandr Guzovskiy 3965b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 39667bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3967b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 39687bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 39692fdbea25SAleksandr Guzovskiy 39702fdbea25SAleksandr Guzovskiy ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 39712fdbea25SAleksandr Guzovskiy ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 39722fdbea25SAleksandr Guzovskiy 39732fdbea25SAleksandr Guzovskiy umem_free(packcheck, packsize); 39742fdbea25SAleksandr Guzovskiy umem_free(bigcheck, bigsize); 39752fdbea25SAleksandr Guzovskiy } 39762fdbea25SAleksandr Guzovskiy if (i == 2) { 3977b24ab676SJeff Bonwick txg_wait_open(dmu_objset_pool(os), 0); 3978b24ab676SJeff Bonwick } else if (i == 3) { 3979b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 3980fa9e4066Sahrens } 3981e05725b1Sbonwick } 3982e05725b1Sbonwick 3983b24ab676SJeff Bonwick dmu_buf_rele(bonus_db, FTAG); 3984b24ab676SJeff Bonwick umem_free(packbuf, packsize); 3985b24ab676SJeff Bonwick umem_free(bigbuf, bigsize); 3986b24ab676SJeff Bonwick umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 3987b24ab676SJeff Bonwick } 3988fa9e4066Sahrens 3989b24ab676SJeff Bonwick /* ARGSUSED */ 3990b24ab676SJeff Bonwick void 3991b24ab676SJeff Bonwick ztest_dmu_write_parallel(ztest_ds_t *zd, uint64_t id) 3992b24ab676SJeff Bonwick { 3993b24ab676SJeff Bonwick ztest_od_t od[1]; 3994b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(20) + 43)) + 3995b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3996fa9e4066Sahrens 3997e05725b1Sbonwick /* 3998b24ab676SJeff Bonwick * Have multiple threads write to large offsets in an object 3999b24ab676SJeff Bonwick * to verify that parallel writes to an object -- even to the 4000b24ab676SJeff Bonwick * same blocks within the object -- doesn't cause any trouble. 4001e05725b1Sbonwick */ 4002b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 4003fa9e4066Sahrens 4004b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4005e05725b1Sbonwick return; 4006fa9e4066Sahrens 4007b24ab676SJeff Bonwick while (ztest_random(10) != 0) 4008b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, offset); 4009b24ab676SJeff Bonwick } 4010fa9e4066Sahrens 4011b24ab676SJeff Bonwick void 4012b24ab676SJeff Bonwick ztest_dmu_prealloc(ztest_ds_t *zd, uint64_t id) 4013b24ab676SJeff Bonwick { 4014b24ab676SJeff Bonwick ztest_od_t od[1]; 4015b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(4) + SPA_MAXBLOCKSHIFT)) + 4016b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 4017b24ab676SJeff Bonwick uint64_t count = ztest_random(20) + 1; 4018b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 4019b24ab676SJeff Bonwick void *data; 4020fa9e4066Sahrens 4021b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 4022fa9e4066Sahrens 4023b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4024e05725b1Sbonwick return; 40250e34b6a7Sbonwick 4026b24ab676SJeff Bonwick if (ztest_truncate(zd, od[0].od_object, offset, count * blocksize) != 0) 4027f4a72450SJeff Bonwick return; 4028f4a72450SJeff Bonwick 4029b24ab676SJeff Bonwick ztest_prealloc(zd, od[0].od_object, offset, count * blocksize); 4030fa9e4066Sahrens 4031b24ab676SJeff Bonwick data = umem_zalloc(blocksize, UMEM_NOFAIL); 4032b24ab676SJeff Bonwick 4033b24ab676SJeff Bonwick while (ztest_random(count) != 0) { 4034b24ab676SJeff Bonwick uint64_t randoff = offset + (ztest_random(count) * blocksize); 4035b24ab676SJeff Bonwick if (ztest_write(zd, od[0].od_object, randoff, blocksize, 4036b24ab676SJeff Bonwick data) != 0) 4037b24ab676SJeff Bonwick break; 4038b24ab676SJeff Bonwick while (ztest_random(4) != 0) 4039b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, randoff); 4040b24ab676SJeff Bonwick } 4041b24ab676SJeff Bonwick 4042b24ab676SJeff Bonwick umem_free(data, blocksize); 4043fa9e4066Sahrens } 4044fa9e4066Sahrens 4045fa9e4066Sahrens /* 4046fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 4047fa9e4066Sahrens */ 4048fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 4049fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 4050fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 4051fa9e4066Sahrens 4052fa9e4066Sahrens void 4053b24ab676SJeff Bonwick ztest_zap(ztest_ds_t *zd, uint64_t id) 4054fa9e4066Sahrens { 4055b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4056b24ab676SJeff Bonwick ztest_od_t od[1]; 4057fa9e4066Sahrens uint64_t object; 4058fa9e4066Sahrens uint64_t txg, last_txg; 4059fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 4060fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 4061fa9e4066Sahrens int i, ints; 4062fa9e4066Sahrens dmu_tx_t *tx; 4063fa9e4066Sahrens char propname[100], txgname[100]; 4064fa9e4066Sahrens int error; 4065fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 4066fa9e4066Sahrens 4067b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 4068fa9e4066Sahrens 4069b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4070b24ab676SJeff Bonwick return; 4071fa9e4066Sahrens 4072b24ab676SJeff Bonwick object = od[0].od_object; 4073fa9e4066Sahrens 4074b24ab676SJeff Bonwick /* 4075b24ab676SJeff Bonwick * Generate a known hash collision, and verify that 4076b24ab676SJeff Bonwick * we can lookup and remove both entries. 4077b24ab676SJeff Bonwick */ 4078b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4079b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4080b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4081b24ab676SJeff Bonwick if (txg == 0) 4082b24ab676SJeff Bonwick return; 4083b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 4084b24ab676SJeff Bonwick value[i] = i; 4085b420f3adSRichard Lowe VERIFY3U(0, ==, zap_add(os, object, hc[i], sizeof (uint64_t), 4086b24ab676SJeff Bonwick 1, &value[i], tx)); 4087b24ab676SJeff Bonwick } 4088b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 4089b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, zap_add(os, object, hc[i], 4090b24ab676SJeff Bonwick sizeof (uint64_t), 1, &value[i], tx)); 4091b420f3adSRichard Lowe VERIFY3U(0, ==, 4092b420f3adSRichard Lowe zap_length(os, object, hc[i], &zl_intsize, &zl_ints)); 4093b24ab676SJeff Bonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 4094b24ab676SJeff Bonwick ASSERT3U(zl_ints, ==, 1); 4095fa9e4066Sahrens } 4096b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 4097b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, hc[i], tx)); 4098b24ab676SJeff Bonwick } 4099b24ab676SJeff Bonwick dmu_tx_commit(tx); 4100fa9e4066Sahrens 4101b24ab676SJeff Bonwick /* 4102b24ab676SJeff Bonwick * Generate a buch of random entries. 4103b24ab676SJeff Bonwick */ 4104fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 4105fa9e4066Sahrens 4106e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 4107e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 4108e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 4109e05725b1Sbonwick bzero(value, sizeof (value)); 4110e05725b1Sbonwick last_txg = 0; 4111fa9e4066Sahrens 4112e05725b1Sbonwick /* 4113e05725b1Sbonwick * If these zap entries already exist, validate their contents. 4114e05725b1Sbonwick */ 4115e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 4116e05725b1Sbonwick if (error == 0) { 4117e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 4118e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 4119fa9e4066Sahrens 4120e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 4121e05725b1Sbonwick zl_ints, &last_txg) == 0); 4122fa9e4066Sahrens 4123e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 4124e05725b1Sbonwick &zl_ints) == 0); 4125fa9e4066Sahrens 4126e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 4127e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 4128fa9e4066Sahrens 4129e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 4130e05725b1Sbonwick zl_ints, value) == 0); 4131fa9e4066Sahrens 4132e05725b1Sbonwick for (i = 0; i < ints; i++) { 4133e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 4134fa9e4066Sahrens } 4135e05725b1Sbonwick } else { 4136e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4137e05725b1Sbonwick } 4138fa9e4066Sahrens 4139e05725b1Sbonwick /* 4140e05725b1Sbonwick * Atomically update two entries in our zap object. 4141e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 4142e05725b1Sbonwick * in which the property was last updated. The second 4143e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 4144e05725b1Sbonwick * should be txg + object + n. 4145e05725b1Sbonwick */ 4146e05725b1Sbonwick tx = dmu_tx_create(os); 4147b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4148b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4149b24ab676SJeff Bonwick if (txg == 0) 4150e05725b1Sbonwick return; 4151fa9e4066Sahrens 4152e05725b1Sbonwick if (last_txg > txg) 4153e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 4154fa9e4066Sahrens 4155e05725b1Sbonwick for (i = 0; i < ints; i++) 4156e05725b1Sbonwick value[i] = txg + object + i; 4157fa9e4066Sahrens 4158b420f3adSRichard Lowe VERIFY3U(0, ==, zap_update(os, object, txgname, sizeof (uint64_t), 4159b24ab676SJeff Bonwick 1, &txg, tx)); 4160b420f3adSRichard Lowe VERIFY3U(0, ==, zap_update(os, object, propname, sizeof (uint64_t), 4161b24ab676SJeff Bonwick ints, value, tx)); 4162fa9e4066Sahrens 4163e05725b1Sbonwick dmu_tx_commit(tx); 4164fa9e4066Sahrens 4165e05725b1Sbonwick /* 4166e05725b1Sbonwick * Remove a random pair of entries. 4167e05725b1Sbonwick */ 4168e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 4169e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 4170e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 4171fa9e4066Sahrens 4172e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 4173fa9e4066Sahrens 4174e05725b1Sbonwick if (error == ENOENT) 4175e05725b1Sbonwick return; 4176fa9e4066Sahrens 4177fb09f5aaSMadhav Suresh ASSERT0(error); 4178fa9e4066Sahrens 4179e05725b1Sbonwick tx = dmu_tx_create(os); 4180b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4181b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4182b24ab676SJeff Bonwick if (txg == 0) 418312a2833aSSanjeev Bagewadi return; 4184b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, txgname, tx)); 4185b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, propname, tx)); 418612a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 418712a2833aSSanjeev Bagewadi } 418812a2833aSSanjeev Bagewadi 418912a2833aSSanjeev Bagewadi /* 419012a2833aSSanjeev Bagewadi * Testcase to test the upgrading of a microzap to fatzap. 419112a2833aSSanjeev Bagewadi */ 419212a2833aSSanjeev Bagewadi void 4193b24ab676SJeff Bonwick ztest_fzap(ztest_ds_t *zd, uint64_t id) 419412a2833aSSanjeev Bagewadi { 4195b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4196b24ab676SJeff Bonwick ztest_od_t od[1]; 4197b24ab676SJeff Bonwick uint64_t object, txg; 419812a2833aSSanjeev Bagewadi 4199b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 420012a2833aSSanjeev Bagewadi 4201b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4202b24ab676SJeff Bonwick return; 420312a2833aSSanjeev Bagewadi 4204b24ab676SJeff Bonwick object = od[0].od_object; 420512a2833aSSanjeev Bagewadi 420612a2833aSSanjeev Bagewadi /* 4207b24ab676SJeff Bonwick * Add entries to this ZAP and make sure it spills over 420812a2833aSSanjeev Bagewadi * and gets upgraded to a fatzap. Also, since we are adding 4209b24ab676SJeff Bonwick * 2050 entries we should see ptrtbl growth and leaf-block split. 421012a2833aSSanjeev Bagewadi */ 4211b24ab676SJeff Bonwick for (int i = 0; i < 2050; i++) { 4212b24ab676SJeff Bonwick char name[MAXNAMELEN]; 4213b24ab676SJeff Bonwick uint64_t value = i; 4214b24ab676SJeff Bonwick dmu_tx_t *tx; 4215b24ab676SJeff Bonwick int error; 421612a2833aSSanjeev Bagewadi 4217b24ab676SJeff Bonwick (void) snprintf(name, sizeof (name), "fzap-%llu-%llu", 4218b24ab676SJeff Bonwick id, value); 421912a2833aSSanjeev Bagewadi 4220b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4221b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, name); 4222b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4223b24ab676SJeff Bonwick if (txg == 0) 422412a2833aSSanjeev Bagewadi return; 4225b24ab676SJeff Bonwick error = zap_add(os, object, name, sizeof (uint64_t), 1, 4226b24ab676SJeff Bonwick &value, tx); 422712a2833aSSanjeev Bagewadi ASSERT(error == 0 || error == EEXIST); 422812a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 422912a2833aSSanjeev Bagewadi } 4230fa9e4066Sahrens } 4231fa9e4066Sahrens 4232b24ab676SJeff Bonwick /* ARGSUSED */ 4233fa9e4066Sahrens void 4234b24ab676SJeff Bonwick ztest_zap_parallel(ztest_ds_t *zd, uint64_t id) 4235fa9e4066Sahrens { 4236b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4237b24ab676SJeff Bonwick ztest_od_t od[1]; 4238fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 4239fa9e4066Sahrens dmu_tx_t *tx; 4240fa9e4066Sahrens int i, namelen, error; 4241b24ab676SJeff Bonwick int micro = ztest_random(2); 4242fa9e4066Sahrens char name[20], string_value[20]; 4243fa9e4066Sahrens void *data; 4244fa9e4066Sahrens 4245b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, micro, DMU_OT_ZAP_OTHER, 0, 0); 4246b24ab676SJeff Bonwick 4247b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4248b24ab676SJeff Bonwick return; 4249b24ab676SJeff Bonwick 4250b24ab676SJeff Bonwick object = od[0].od_object; 4251b24ab676SJeff Bonwick 4252e05725b1Sbonwick /* 4253e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 4254e05725b1Sbonwick * x is a random printable character and the dots are dots. 4255e05725b1Sbonwick * There are 94 such characters, and the name length goes from 4256e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 4257e05725b1Sbonwick */ 4258e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 4259fa9e4066Sahrens 4260e05725b1Sbonwick for (i = 0; i < 3; i++) 4261e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 4262e05725b1Sbonwick for (; i < namelen - 1; i++) 4263e05725b1Sbonwick name[i] = '.'; 4264e05725b1Sbonwick name[i] = '\0'; 4265fa9e4066Sahrens 4266b24ab676SJeff Bonwick if ((namelen & 1) || micro) { 4267e05725b1Sbonwick wsize = sizeof (txg); 4268e05725b1Sbonwick wc = 1; 4269e05725b1Sbonwick data = &txg; 4270e05725b1Sbonwick } else { 4271e05725b1Sbonwick wsize = 1; 4272e05725b1Sbonwick wc = namelen; 4273e05725b1Sbonwick data = string_value; 4274e05725b1Sbonwick } 4275fa9e4066Sahrens 4276e05725b1Sbonwick count = -1ULL; 42773b2aab18SMatthew Ahrens VERIFY0(zap_count(os, object, &count)); 4278e05725b1Sbonwick ASSERT(count != -1ULL); 4279fa9e4066Sahrens 4280e05725b1Sbonwick /* 4281e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 4282e05725b1Sbonwick */ 4283e05725b1Sbonwick i = ztest_random(5); 4284e05725b1Sbonwick 4285e05725b1Sbonwick if (i >= 2) { 4286e05725b1Sbonwick tx = dmu_tx_create(os); 4287b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4288b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4289b24ab676SJeff Bonwick if (txg == 0) 4290e05725b1Sbonwick return; 4291e05725b1Sbonwick bcopy(name, string_value, namelen); 4292e05725b1Sbonwick } else { 4293e05725b1Sbonwick tx = NULL; 4294e05725b1Sbonwick txg = 0; 4295e05725b1Sbonwick bzero(string_value, namelen); 4296e05725b1Sbonwick } 4297fa9e4066Sahrens 4298e05725b1Sbonwick switch (i) { 4299fa9e4066Sahrens 4300e05725b1Sbonwick case 0: 4301e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 4302e05725b1Sbonwick if (error == 0) { 4303e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 4304e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 4305e05725b1Sbonwick } else { 4306e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4307e05725b1Sbonwick } 4308e05725b1Sbonwick break; 4309fa9e4066Sahrens 4310e05725b1Sbonwick case 1: 4311e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 4312e05725b1Sbonwick if (error == 0) { 4313e05725b1Sbonwick if (data == string_value && 4314e05725b1Sbonwick bcmp(name, data, namelen) != 0) 4315e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 4316e05725b1Sbonwick name, data, namelen); 4317e05725b1Sbonwick } else { 4318e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4319e05725b1Sbonwick } 4320e05725b1Sbonwick break; 4321fa9e4066Sahrens 4322e05725b1Sbonwick case 2: 4323e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 4324e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 4325e05725b1Sbonwick break; 4326fa9e4066Sahrens 4327e05725b1Sbonwick case 3: 4328e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 4329e05725b1Sbonwick break; 4330fa9e4066Sahrens 4331e05725b1Sbonwick case 4: 4332e05725b1Sbonwick error = zap_remove(os, object, name, tx); 4333e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 4334e05725b1Sbonwick break; 4335fa9e4066Sahrens } 4336e05725b1Sbonwick 4337e05725b1Sbonwick if (tx != NULL) 4338e05725b1Sbonwick dmu_tx_commit(tx); 4339fa9e4066Sahrens } 4340fa9e4066Sahrens 4341d20e665cSRicardo M. Correia /* 4342d20e665cSRicardo M. Correia * Commit callback data. 4343d20e665cSRicardo M. Correia */ 4344d20e665cSRicardo M. Correia typedef struct ztest_cb_data { 4345d20e665cSRicardo M. Correia list_node_t zcd_node; 4346d20e665cSRicardo M. Correia uint64_t zcd_txg; 4347d20e665cSRicardo M. Correia int zcd_expected_err; 4348d20e665cSRicardo M. Correia boolean_t zcd_added; 4349d20e665cSRicardo M. Correia boolean_t zcd_called; 4350d20e665cSRicardo M. Correia spa_t *zcd_spa; 4351d20e665cSRicardo M. Correia } ztest_cb_data_t; 4352d20e665cSRicardo M. Correia 4353d20e665cSRicardo M. Correia /* This is the actual commit callback function */ 4354d20e665cSRicardo M. Correia static void 4355d20e665cSRicardo M. Correia ztest_commit_callback(void *arg, int error) 4356d20e665cSRicardo M. Correia { 4357d20e665cSRicardo M. Correia ztest_cb_data_t *data = arg; 4358d20e665cSRicardo M. Correia uint64_t synced_txg; 4359d20e665cSRicardo M. Correia 4360d20e665cSRicardo M. Correia VERIFY(data != NULL); 4361d20e665cSRicardo M. Correia VERIFY3S(data->zcd_expected_err, ==, error); 4362d20e665cSRicardo M. Correia VERIFY(!data->zcd_called); 4363d20e665cSRicardo M. Correia 4364d20e665cSRicardo M. Correia synced_txg = spa_last_synced_txg(data->zcd_spa); 4365d20e665cSRicardo M. Correia if (data->zcd_txg > synced_txg) 4366d20e665cSRicardo M. Correia fatal(0, "commit callback of txg %" PRIu64 " called prematurely" 4367d20e665cSRicardo M. Correia ", last synced txg = %" PRIu64 "\n", data->zcd_txg, 4368d20e665cSRicardo M. Correia synced_txg); 4369d20e665cSRicardo M. Correia 4370d20e665cSRicardo M. Correia data->zcd_called = B_TRUE; 4371d20e665cSRicardo M. Correia 4372d20e665cSRicardo M. Correia if (error == ECANCELED) { 4373fb09f5aaSMadhav Suresh ASSERT0(data->zcd_txg); 4374d20e665cSRicardo M. Correia ASSERT(!data->zcd_added); 4375d20e665cSRicardo M. Correia 4376d20e665cSRicardo M. Correia /* 4377d20e665cSRicardo M. Correia * The private callback data should be destroyed here, but 4378d20e665cSRicardo M. Correia * since we are going to check the zcd_called field after 4379d20e665cSRicardo M. Correia * dmu_tx_abort(), we will destroy it there. 4380d20e665cSRicardo M. Correia */ 4381d20e665cSRicardo M. Correia return; 4382d20e665cSRicardo M. Correia } 4383d20e665cSRicardo M. Correia 4384d20e665cSRicardo M. Correia /* Was this callback added to the global callback list? */ 4385d20e665cSRicardo M. Correia if (!data->zcd_added) 4386d20e665cSRicardo M. Correia goto out; 4387d20e665cSRicardo M. Correia 4388d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, !=, 0); 4389d20e665cSRicardo M. Correia 4390d20e665cSRicardo M. Correia /* Remove our callback from the list */ 4391d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4392d20e665cSRicardo M. Correia list_remove(&zcl.zcl_callbacks, data); 4393d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4394d20e665cSRicardo M. Correia 4395d20e665cSRicardo M. Correia out: 4396d20e665cSRicardo M. Correia umem_free(data, sizeof (ztest_cb_data_t)); 4397d20e665cSRicardo M. Correia } 4398d20e665cSRicardo M. Correia 4399d20e665cSRicardo M. Correia /* Allocate and initialize callback data structure */ 4400d20e665cSRicardo M. Correia static ztest_cb_data_t * 4401d20e665cSRicardo M. Correia ztest_create_cb_data(objset_t *os, uint64_t txg) 4402d20e665cSRicardo M. Correia { 4403d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data; 4404d20e665cSRicardo M. Correia 4405d20e665cSRicardo M. Correia cb_data = umem_zalloc(sizeof (ztest_cb_data_t), UMEM_NOFAIL); 4406d20e665cSRicardo M. Correia 4407d20e665cSRicardo M. Correia cb_data->zcd_txg = txg; 4408d20e665cSRicardo M. Correia cb_data->zcd_spa = dmu_objset_spa(os); 4409d20e665cSRicardo M. Correia 4410d20e665cSRicardo M. Correia return (cb_data); 4411d20e665cSRicardo M. Correia } 4412d20e665cSRicardo M. Correia 4413d20e665cSRicardo M. Correia /* 4414d20e665cSRicardo M. Correia * If a number of txgs equal to this threshold have been created after a commit 4415d20e665cSRicardo M. Correia * callback has been registered but not called, then we assume there is an 4416d20e665cSRicardo M. Correia * implementation bug. 4417d20e665cSRicardo M. Correia */ 4418d20e665cSRicardo M. Correia #define ZTEST_COMMIT_CALLBACK_THRESH (TXG_CONCURRENT_STATES + 2) 4419d20e665cSRicardo M. Correia 4420d20e665cSRicardo M. Correia /* 4421d20e665cSRicardo M. Correia * Commit callback test. 4422d20e665cSRicardo M. Correia */ 4423d20e665cSRicardo M. Correia void 4424b24ab676SJeff Bonwick ztest_dmu_commit_callbacks(ztest_ds_t *zd, uint64_t id) 4425d20e665cSRicardo M. Correia { 4426b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4427b24ab676SJeff Bonwick ztest_od_t od[1]; 4428d20e665cSRicardo M. Correia dmu_tx_t *tx; 4429d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data[3], *tmp_cb; 4430d20e665cSRicardo M. Correia uint64_t old_txg, txg; 4431d20e665cSRicardo M. Correia int i, error; 4432d20e665cSRicardo M. Correia 4433b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 4434b24ab676SJeff Bonwick 4435b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4436b24ab676SJeff Bonwick return; 4437b24ab676SJeff Bonwick 4438d20e665cSRicardo M. Correia tx = dmu_tx_create(os); 4439d20e665cSRicardo M. Correia 4440d20e665cSRicardo M. Correia cb_data[0] = ztest_create_cb_data(os, 0); 4441d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[0]); 4442d20e665cSRicardo M. Correia 4443b24ab676SJeff Bonwick dmu_tx_hold_write(tx, od[0].od_object, 0, sizeof (uint64_t)); 4444d20e665cSRicardo M. Correia 4445d20e665cSRicardo M. Correia /* Every once in a while, abort the transaction on purpose */ 4446d20e665cSRicardo M. Correia if (ztest_random(100) == 0) 4447d20e665cSRicardo M. Correia error = -1; 4448d20e665cSRicardo M. Correia 4449d20e665cSRicardo M. Correia if (!error) 4450d20e665cSRicardo M. Correia error = dmu_tx_assign(tx, TXG_NOWAIT); 4451d20e665cSRicardo M. Correia 4452d20e665cSRicardo M. Correia txg = error ? 0 : dmu_tx_get_txg(tx); 4453d20e665cSRicardo M. Correia 4454d20e665cSRicardo M. Correia cb_data[0]->zcd_txg = txg; 4455d20e665cSRicardo M. Correia cb_data[1] = ztest_create_cb_data(os, txg); 4456d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[1]); 4457d20e665cSRicardo M. Correia 4458d20e665cSRicardo M. Correia if (error) { 4459d20e665cSRicardo M. Correia /* 4460d20e665cSRicardo M. Correia * It's not a strict requirement to call the registered 4461d20e665cSRicardo M. Correia * callbacks from inside dmu_tx_abort(), but that's what 4462d20e665cSRicardo M. Correia * it's supposed to happen in the current implementation 4463d20e665cSRicardo M. Correia * so we will check for that. 4464d20e665cSRicardo M. Correia */ 4465d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4466d20e665cSRicardo M. Correia cb_data[i]->zcd_expected_err = ECANCELED; 4467d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4468d20e665cSRicardo M. Correia } 4469d20e665cSRicardo M. Correia 4470d20e665cSRicardo M. Correia dmu_tx_abort(tx); 4471d20e665cSRicardo M. Correia 4472d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4473d20e665cSRicardo M. Correia VERIFY(cb_data[i]->zcd_called); 4474d20e665cSRicardo M. Correia umem_free(cb_data[i], sizeof (ztest_cb_data_t)); 4475d20e665cSRicardo M. Correia } 4476d20e665cSRicardo M. Correia 4477d20e665cSRicardo M. Correia return; 4478d20e665cSRicardo M. Correia } 4479d20e665cSRicardo M. Correia 4480d20e665cSRicardo M. Correia cb_data[2] = ztest_create_cb_data(os, txg); 4481d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[2]); 4482d20e665cSRicardo M. Correia 4483d20e665cSRicardo M. Correia /* 4484d20e665cSRicardo M. Correia * Read existing data to make sure there isn't a future leak. 4485d20e665cSRicardo M. Correia */ 4486b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, od[0].od_object, 0, sizeof (uint64_t), 4487d20e665cSRicardo M. Correia &old_txg, DMU_READ_PREFETCH)); 4488d20e665cSRicardo M. Correia 4489d20e665cSRicardo M. Correia if (old_txg > txg) 4490d20e665cSRicardo M. Correia fatal(0, "future leak: got %" PRIu64 ", open txg is %" PRIu64, 4491d20e665cSRicardo M. Correia old_txg, txg); 4492d20e665cSRicardo M. Correia 4493b24ab676SJeff Bonwick dmu_write(os, od[0].od_object, 0, sizeof (uint64_t), &txg, tx); 4494d20e665cSRicardo M. Correia 4495d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4496d20e665cSRicardo M. Correia 4497d20e665cSRicardo M. Correia /* 4498d20e665cSRicardo M. Correia * Since commit callbacks don't have any ordering requirement and since 4499d20e665cSRicardo M. Correia * it is theoretically possible for a commit callback to be called 4500d20e665cSRicardo M. Correia * after an arbitrary amount of time has elapsed since its txg has been 4501d20e665cSRicardo M. Correia * synced, it is difficult to reliably determine whether a commit 4502d20e665cSRicardo M. Correia * callback hasn't been called due to high load or due to a flawed 4503d20e665cSRicardo M. Correia * implementation. 4504d20e665cSRicardo M. Correia * 4505d20e665cSRicardo M. Correia * In practice, we will assume that if after a certain number of txgs a 4506d20e665cSRicardo M. Correia * commit callback hasn't been called, then most likely there's an 4507d20e665cSRicardo M. Correia * implementation bug.. 4508d20e665cSRicardo M. Correia */ 4509d20e665cSRicardo M. Correia tmp_cb = list_head(&zcl.zcl_callbacks); 4510d20e665cSRicardo M. Correia if (tmp_cb != NULL && 4511b3d9f2e2SWill Andrews (txg - ZTEST_COMMIT_CALLBACK_THRESH) > tmp_cb->zcd_txg) { 4512d20e665cSRicardo M. Correia fatal(0, "Commit callback threshold exceeded, oldest txg: %" 4513d20e665cSRicardo M. Correia PRIu64 ", open txg: %" PRIu64 "\n", tmp_cb->zcd_txg, txg); 4514d20e665cSRicardo M. Correia } 4515d20e665cSRicardo M. Correia 4516d20e665cSRicardo M. Correia /* 4517d20e665cSRicardo M. Correia * Let's find the place to insert our callbacks. 4518d20e665cSRicardo M. Correia * 4519d20e665cSRicardo M. Correia * Even though the list is ordered by txg, it is possible for the 4520d20e665cSRicardo M. Correia * insertion point to not be the end because our txg may already be 4521d20e665cSRicardo M. Correia * quiescing at this point and other callbacks in the open txg 4522d20e665cSRicardo M. Correia * (from other objsets) may have sneaked in. 4523d20e665cSRicardo M. Correia */ 4524d20e665cSRicardo M. Correia tmp_cb = list_tail(&zcl.zcl_callbacks); 4525d20e665cSRicardo M. Correia while (tmp_cb != NULL && tmp_cb->zcd_txg > txg) 4526d20e665cSRicardo M. Correia tmp_cb = list_prev(&zcl.zcl_callbacks, tmp_cb); 4527d20e665cSRicardo M. Correia 4528d20e665cSRicardo M. Correia /* Add the 3 callbacks to the list */ 4529d20e665cSRicardo M. Correia for (i = 0; i < 3; i++) { 4530d20e665cSRicardo M. Correia if (tmp_cb == NULL) 4531d20e665cSRicardo M. Correia list_insert_head(&zcl.zcl_callbacks, cb_data[i]); 4532d20e665cSRicardo M. Correia else 4533d20e665cSRicardo M. Correia list_insert_after(&zcl.zcl_callbacks, tmp_cb, 4534d20e665cSRicardo M. Correia cb_data[i]); 4535d20e665cSRicardo M. Correia 4536d20e665cSRicardo M. Correia cb_data[i]->zcd_added = B_TRUE; 4537d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4538d20e665cSRicardo M. Correia 4539d20e665cSRicardo M. Correia tmp_cb = cb_data[i]; 4540d20e665cSRicardo M. Correia } 4541d20e665cSRicardo M. Correia 4542d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4543d20e665cSRicardo M. Correia 4544d20e665cSRicardo M. Correia dmu_tx_commit(tx); 4545d20e665cSRicardo M. Correia } 4546d20e665cSRicardo M. Correia 4547b24ab676SJeff Bonwick /* ARGSUSED */ 4548fa9e4066Sahrens void 4549b24ab676SJeff Bonwick ztest_dsl_prop_get_set(ztest_ds_t *zd, uint64_t id) 4550fa9e4066Sahrens { 4551b24ab676SJeff Bonwick zfs_prop_t proplist[] = { 4552b24ab676SJeff Bonwick ZFS_PROP_CHECKSUM, 4553b24ab676SJeff Bonwick ZFS_PROP_COMPRESSION, 4554b24ab676SJeff Bonwick ZFS_PROP_COPIES, 4555b24ab676SJeff Bonwick ZFS_PROP_DEDUP 4556b24ab676SJeff Bonwick }; 4557fa9e4066Sahrens 4558420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 4559fa9e4066Sahrens 4560b24ab676SJeff Bonwick for (int p = 0; p < sizeof (proplist) / sizeof (proplist[0]); p++) 4561b24ab676SJeff Bonwick (void) ztest_dsl_prop_set_uint64(zd->zd_name, proplist[p], 4562b24ab676SJeff Bonwick ztest_random_dsl_prop(proplist[p]), (int)ztest_random(2)); 4563fa9e4066Sahrens 4564420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4565b24ab676SJeff Bonwick } 4566fa9e4066Sahrens 4567b24ab676SJeff Bonwick /* ARGSUSED */ 4568b24ab676SJeff Bonwick void 4569b24ab676SJeff Bonwick ztest_spa_prop_get_set(ztest_ds_t *zd, uint64_t id) 4570b24ab676SJeff Bonwick { 4571b24ab676SJeff Bonwick nvlist_t *props = NULL; 4572ea8dc4b6Seschrock 4573420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 4574ea8dc4b6Seschrock 4575420dfc95SChris Siden (void) ztest_spa_prop_set_uint64(ZPOOL_PROP_DEDUPDITTO, 4576b24ab676SJeff Bonwick ZIO_DEDUPDITTO_MIN + ztest_random(ZIO_DEDUPDITTO_MIN)); 4577fa9e4066Sahrens 4578fb09f5aaSMadhav Suresh VERIFY0(spa_prop_get(ztest_spa, &props)); 4579fa9e4066Sahrens 4580420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 4581b24ab676SJeff Bonwick dump_nvlist(props, 4); 4582fa9e4066Sahrens 4583b24ab676SJeff Bonwick nvlist_free(props); 4584fa9e4066Sahrens 4585420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4586fa9e4066Sahrens } 4587fa9e4066Sahrens 45883b2aab18SMatthew Ahrens static int 45893b2aab18SMatthew Ahrens user_release_one(const char *snapname, const char *holdname) 45903b2aab18SMatthew Ahrens { 45913b2aab18SMatthew Ahrens nvlist_t *snaps, *holds; 45923b2aab18SMatthew Ahrens int error; 45933b2aab18SMatthew Ahrens 45943b2aab18SMatthew Ahrens snaps = fnvlist_alloc(); 45953b2aab18SMatthew Ahrens holds = fnvlist_alloc(); 45963b2aab18SMatthew Ahrens fnvlist_add_boolean(holds, holdname); 45973b2aab18SMatthew Ahrens fnvlist_add_nvlist(snaps, snapname, holds); 45983b2aab18SMatthew Ahrens fnvlist_free(holds); 45993b2aab18SMatthew Ahrens error = dsl_dataset_user_release(snaps, NULL); 46003b2aab18SMatthew Ahrens fnvlist_free(snaps); 46013b2aab18SMatthew Ahrens return (error); 46023b2aab18SMatthew Ahrens } 46033b2aab18SMatthew Ahrens 46045c987a37SChris Kirby /* 46055c987a37SChris Kirby * Test snapshot hold/release and deferred destroy. 46065c987a37SChris Kirby */ 46075c987a37SChris Kirby void 4608b24ab676SJeff Bonwick ztest_dmu_snapshot_hold(ztest_ds_t *zd, uint64_t id) 46095c987a37SChris Kirby { 46105c987a37SChris Kirby int error; 4611b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 46125c987a37SChris Kirby objset_t *origin; 46135c987a37SChris Kirby char snapname[100]; 46145c987a37SChris Kirby char fullname[100]; 46155c987a37SChris Kirby char clonename[100]; 46165c987a37SChris Kirby char tag[100]; 46175c987a37SChris Kirby char osname[MAXNAMELEN]; 46183b2aab18SMatthew Ahrens nvlist_t *holds; 46195c987a37SChris Kirby 4620420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 46215c987a37SChris Kirby 46225c987a37SChris Kirby dmu_objset_name(os, osname); 46235c987a37SChris Kirby 46243b2aab18SMatthew Ahrens (void) snprintf(snapname, sizeof (snapname), "sh1_%llu", id); 46253b2aab18SMatthew Ahrens (void) snprintf(fullname, sizeof (fullname), "%s@%s", osname, snapname); 46263b2aab18SMatthew Ahrens (void) snprintf(clonename, sizeof (clonename), 46273b2aab18SMatthew Ahrens "%s/ch1_%llu", osname, id); 46283b2aab18SMatthew Ahrens (void) snprintf(tag, sizeof (tag), "tag_%llu", id); 46295c987a37SChris Kirby 46305c987a37SChris Kirby /* 46315c987a37SChris Kirby * Clean up from any previous run. 46325c987a37SChris Kirby */ 46333b2aab18SMatthew Ahrens error = dsl_destroy_head(clonename); 46343b2aab18SMatthew Ahrens if (error != ENOENT) 46353b2aab18SMatthew Ahrens ASSERT0(error); 46363b2aab18SMatthew Ahrens error = user_release_one(fullname, tag); 46373b2aab18SMatthew Ahrens if (error != ESRCH && error != ENOENT) 46383b2aab18SMatthew Ahrens ASSERT0(error); 46393b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(fullname, B_FALSE); 46403b2aab18SMatthew Ahrens if (error != ENOENT) 46413b2aab18SMatthew Ahrens ASSERT0(error); 46425c987a37SChris Kirby 46435c987a37SChris Kirby /* 46445c987a37SChris Kirby * Create snapshot, clone it, mark snap for deferred destroy, 46455c987a37SChris Kirby * destroy clone, verify snap was also destroyed. 46465c987a37SChris Kirby */ 46474445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, snapname); 46485c987a37SChris Kirby if (error) { 46495c987a37SChris Kirby if (error == ENOSPC) { 46505c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 46515c987a37SChris Kirby goto out; 46525c987a37SChris Kirby } 46535c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 46545c987a37SChris Kirby } 46555c987a37SChris Kirby 46563b2aab18SMatthew Ahrens error = dmu_objset_clone(clonename, fullname); 46575c987a37SChris Kirby if (error) { 46585c987a37SChris Kirby if (error == ENOSPC) { 46595c987a37SChris Kirby ztest_record_enospc("dmu_objset_clone"); 46605c987a37SChris Kirby goto out; 46615c987a37SChris Kirby } 46625c987a37SChris Kirby fatal(0, "dmu_objset_clone(%s) = %d", clonename, error); 46635c987a37SChris Kirby } 46645c987a37SChris Kirby 46653b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(fullname, B_TRUE); 46665c987a37SChris Kirby if (error) { 46673b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_snapshot(%s, B_TRUE) = %d", 46685c987a37SChris Kirby fullname, error); 46695c987a37SChris Kirby } 46705c987a37SChris Kirby 46713b2aab18SMatthew Ahrens error = dsl_destroy_head(clonename); 46725c987a37SChris Kirby if (error) 46733b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_head(%s) = %d", clonename, error); 46745c987a37SChris Kirby 46755c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 46765c987a37SChris Kirby if (error != ENOENT) 46775c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 46785c987a37SChris Kirby 46795c987a37SChris Kirby /* 46805c987a37SChris Kirby * Create snapshot, add temporary hold, verify that we can't 46815c987a37SChris Kirby * destroy a held snapshot, mark for deferred destroy, 46825c987a37SChris Kirby * release hold, verify snapshot was destroyed. 46835c987a37SChris Kirby */ 46844445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, snapname); 46855c987a37SChris Kirby if (error) { 46865c987a37SChris Kirby if (error == ENOSPC) { 46875c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 46885c987a37SChris Kirby goto out; 46895c987a37SChris Kirby } 46905c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 46915c987a37SChris Kirby } 46925c987a37SChris Kirby 46933b2aab18SMatthew Ahrens holds = fnvlist_alloc(); 46943b2aab18SMatthew Ahrens fnvlist_add_string(holds, fullname, tag); 46953b2aab18SMatthew Ahrens error = dsl_dataset_user_hold(holds, 0, NULL); 46963b2aab18SMatthew Ahrens fnvlist_free(holds); 46973b2aab18SMatthew Ahrens 46985c987a37SChris Kirby if (error) 46995c987a37SChris Kirby fatal(0, "dsl_dataset_user_hold(%s)", fullname, tag); 47005c987a37SChris Kirby 47013b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(fullname, B_FALSE); 47025c987a37SChris Kirby if (error != EBUSY) { 47033b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_snapshot(%s, B_FALSE) = %d", 47045c987a37SChris Kirby fullname, error); 47055c987a37SChris Kirby } 47065c987a37SChris Kirby 47073b2aab18SMatthew Ahrens error = dsl_destroy_snapshot(fullname, B_TRUE); 47085c987a37SChris Kirby if (error) { 47093b2aab18SMatthew Ahrens fatal(0, "dsl_destroy_snapshot(%s, B_TRUE) = %d", 47105c987a37SChris Kirby fullname, error); 47115c987a37SChris Kirby } 47125c987a37SChris Kirby 47133b2aab18SMatthew Ahrens error = user_release_one(fullname, tag); 47145c987a37SChris Kirby if (error) 4715*a7a845e4SSteven Hartland fatal(0, "user_release_one(%s, %s) = %d", fullname, tag, error); 47165c987a37SChris Kirby 47173b2aab18SMatthew Ahrens VERIFY3U(dmu_objset_hold(fullname, FTAG, &origin), ==, ENOENT); 47185c987a37SChris Kirby 47195c987a37SChris Kirby out: 4720420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 47215c987a37SChris Kirby } 47225c987a37SChris Kirby 4723fa9e4066Sahrens /* 4724fa9e4066Sahrens * Inject random faults into the on-disk data. 4725fa9e4066Sahrens */ 4726b24ab676SJeff Bonwick /* ARGSUSED */ 4727fa9e4066Sahrens void 4728b24ab676SJeff Bonwick ztest_fault_inject(ztest_ds_t *zd, uint64_t id) 4729fa9e4066Sahrens { 4730b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4731420dfc95SChris Siden spa_t *spa = ztest_spa; 4732fa9e4066Sahrens int fd; 4733fa9e4066Sahrens uint64_t offset; 47341195e687SMark J Musante uint64_t leaves; 4735fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 4736fa9e4066Sahrens uint64_t top, leaf; 4737fa9e4066Sahrens char path0[MAXPATHLEN]; 4738fa9e4066Sahrens char pathrand[MAXPATHLEN]; 4739fa9e4066Sahrens size_t fsize; 4740fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 4741fa9e4066Sahrens int iters = 1000; 47421195e687SMark J Musante int maxfaults; 47431195e687SMark J Musante int mirror_save; 4744e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 4745ea8dc4b6Seschrock uint64_t guid0 = 0; 47468f18d1faSGeorge Wilson boolean_t islog = B_FALSE; 4747ea8dc4b6Seschrock 4748420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 47491195e687SMark J Musante maxfaults = MAXFAULTS(); 4750420dfc95SChris Siden leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz; 47511195e687SMark J Musante mirror_save = zs->zs_mirrors; 4752420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 47531195e687SMark J Musante 4754e14bb325SJeff Bonwick ASSERT(leaves >= 1); 4755fa9e4066Sahrens 4756fa9e4066Sahrens /* 4757e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 4758fa9e4066Sahrens */ 4759e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 4760fa9e4066Sahrens 4761e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 4762e14bb325SJeff Bonwick /* 4763b24ab676SJeff Bonwick * Inject errors on a normal data device or slog device. 4764e14bb325SJeff Bonwick */ 4765b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 47661195e687SMark J Musante leaf = ztest_random(leaves) + zs->zs_splits; 4767fa9e4066Sahrens 4768e14bb325SJeff Bonwick /* 4769e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 4770e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 4771e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 4772e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 4773e14bb325SJeff Bonwick */ 4774e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 4775420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 4776420dfc95SChris Siden top * leaves + zs->zs_splits); 4777e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 4778420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 4779420dfc95SChris Siden top * leaves + leaf); 4780fa9e4066Sahrens 4781e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 47828f18d1faSGeorge Wilson if (vd0 != NULL && vd0->vdev_top->vdev_islog) 47838f18d1faSGeorge Wilson islog = B_TRUE; 47848f18d1faSGeorge Wilson 4785e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 4786e14bb325SJeff Bonwick /* 4787e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 4788e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 4789e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 4790e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 4791e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 4792e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 4793e14bb325SJeff Bonwick * combination of this with injection of random data 4794e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 4795e14bb325SJeff Bonwick */ 4796e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 4797e14bb325SJeff Bonwick 4798e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 4799e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 4800e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 4801e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 4802e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 4803e14bb325SJeff Bonwick } else { 4804e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 4805e14bb325SJeff Bonwick } 4806e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 4807e14bb325SJeff Bonwick } 4808e14bb325SJeff Bonwick } else { 4809e14bb325SJeff Bonwick /* 4810e14bb325SJeff Bonwick * Inject errors on an l2cache device. 4811e14bb325SJeff Bonwick */ 4812e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 4813fa9e4066Sahrens 4814e14bb325SJeff Bonwick if (sav->sav_count == 0) { 4815e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4816e14bb325SJeff Bonwick return; 4817e14bb325SJeff Bonwick } 4818e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 4819ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 4820e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 4821e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 4822e14bb325SJeff Bonwick 4823e14bb325SJeff Bonwick leaf = 0; 4824e14bb325SJeff Bonwick leaves = 1; 4825e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 4826fa9e4066Sahrens } 4827fa9e4066Sahrens 4828e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4829e14bb325SJeff Bonwick 4830fa9e4066Sahrens /* 48318f18d1faSGeorge Wilson * If we can tolerate two or more faults, or we're dealing 48328f18d1faSGeorge Wilson * with a slog, randomly online/offline vd0. 4833fa9e4066Sahrens */ 48348f18d1faSGeorge Wilson if ((maxfaults >= 2 || islog) && guid0 != 0) { 48358ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 48368ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 48378ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 48388f18d1faSGeorge Wilson 48398f18d1faSGeorge Wilson /* 48408f18d1faSGeorge Wilson * We have to grab the zs_name_lock as writer to 48418f18d1faSGeorge Wilson * prevent a race between offlining a slog and 48428f18d1faSGeorge Wilson * destroying a dataset. Offlining the slog will 48438f18d1faSGeorge Wilson * grab a reference on the dataset which may cause 48448f18d1faSGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 48458f18d1faSGeorge Wilson * leaving the dataset in an inconsistent state. 48468f18d1faSGeorge Wilson */ 48478f18d1faSGeorge Wilson if (islog) 4848420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 48498f18d1faSGeorge Wilson 48508ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 48518f18d1faSGeorge Wilson 48528f18d1faSGeorge Wilson if (islog) 4853420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 48548ad4d6ddSJeff Bonwick } else { 48559253d63dSGeorge Wilson /* 48569253d63dSGeorge Wilson * Ideally we would like to be able to randomly 48579253d63dSGeorge Wilson * call vdev_[on|off]line without holding locks 48589253d63dSGeorge Wilson * to force unpredictable failures but the side 48599253d63dSGeorge Wilson * effects of vdev_[on|off]line prevent us from 48609253d63dSGeorge Wilson * doing so. We grab the ztest_vdev_lock here to 48619253d63dSGeorge Wilson * prevent a race between injection testing and 48629253d63dSGeorge Wilson * aux_vdev removal. 48639253d63dSGeorge Wilson */ 48649253d63dSGeorge Wilson VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 48658ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 48669253d63dSGeorge Wilson VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 48678ad4d6ddSJeff Bonwick } 4868fa9e4066Sahrens } 4869fa9e4066Sahrens 48708f18d1faSGeorge Wilson if (maxfaults == 0) 48718f18d1faSGeorge Wilson return; 48728f18d1faSGeorge Wilson 4873fa9e4066Sahrens /* 4874ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 4875fa9e4066Sahrens */ 4876fa9e4066Sahrens fd = open(pathrand, O_RDWR); 4877fa9e4066Sahrens 4878fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 4879fa9e4066Sahrens return; 4880fa9e4066Sahrens 4881fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 4882fa9e4066Sahrens 4883fa9e4066Sahrens while (--iters != 0) { 4884fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 4885fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 4886fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 4887fa9e4066Sahrens 4888fa9e4066Sahrens if (offset >= fsize) 4889fa9e4066Sahrens continue; 4890fa9e4066Sahrens 4891420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 48921195e687SMark J Musante if (mirror_save != zs->zs_mirrors) { 4893420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 48941195e687SMark J Musante (void) close(fd); 48951195e687SMark J Musante return; 48961195e687SMark J Musante } 4897fa9e4066Sahrens 4898fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 4899fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 4900fa9e4066Sahrens offset, pathrand); 49011195e687SMark J Musante 4902420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 49031195e687SMark J Musante 4904420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) 49051195e687SMark J Musante (void) printf("injected bad word into %s," 49061195e687SMark J Musante " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 4907fa9e4066Sahrens } 4908fa9e4066Sahrens 4909fa9e4066Sahrens (void) close(fd); 4910fa9e4066Sahrens } 4911fa9e4066Sahrens 4912fa9e4066Sahrens /* 4913b24ab676SJeff Bonwick * Verify that DDT repair works as expected. 4914fa9e4066Sahrens */ 4915fa9e4066Sahrens void 4916b24ab676SJeff Bonwick ztest_ddt_repair(ztest_ds_t *zd, uint64_t id) 4917fa9e4066Sahrens { 4918b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4919420dfc95SChris Siden spa_t *spa = ztest_spa; 4920b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4921b24ab676SJeff Bonwick ztest_od_t od[1]; 4922b24ab676SJeff Bonwick uint64_t object, blocksize, txg, pattern, psize; 4923b24ab676SJeff Bonwick enum zio_checksum checksum = spa_dedup_checksum(spa); 4924b24ab676SJeff Bonwick dmu_buf_t *db; 4925b24ab676SJeff Bonwick dmu_tx_t *tx; 4926b24ab676SJeff Bonwick void *buf; 4927b24ab676SJeff Bonwick blkptr_t blk; 4928b24ab676SJeff Bonwick int copies = 2 * ZIO_DEDUPDITTO_MIN; 4929fa9e4066Sahrens 4930b24ab676SJeff Bonwick blocksize = ztest_random_blocksize(); 4931b24ab676SJeff Bonwick blocksize = MIN(blocksize, 2048); /* because we write so many */ 4932fa9e4066Sahrens 4933b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 4934fa9e4066Sahrens 4935b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4936b24ab676SJeff Bonwick return; 4937fa9e4066Sahrens 4938fa9e4066Sahrens /* 4939b24ab676SJeff Bonwick * Take the name lock as writer to prevent anyone else from changing 4940b24ab676SJeff Bonwick * the pool and dataset properies we need to maintain during this test. 4941fa9e4066Sahrens */ 4942420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 4943fa9e4066Sahrens 4944b24ab676SJeff Bonwick if (ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_DEDUP, checksum, 4945b24ab676SJeff Bonwick B_FALSE) != 0 || 4946b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_COPIES, 1, 4947b24ab676SJeff Bonwick B_FALSE) != 0) { 4948420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4949b24ab676SJeff Bonwick return; 4950b24ab676SJeff Bonwick } 4951b24ab676SJeff Bonwick 4952b24ab676SJeff Bonwick object = od[0].od_object; 4953b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 4954e9103aaeSGarrett D'Amore pattern = zs->zs_guid ^ dmu_objset_fsid_guid(os); 4955b24ab676SJeff Bonwick 4956b24ab676SJeff Bonwick ASSERT(object != 0); 4957b24ab676SJeff Bonwick 4958b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4959b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, 0, copies * blocksize); 4960b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 4961b24ab676SJeff Bonwick if (txg == 0) { 4962420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4963b24ab676SJeff Bonwick return; 4964b24ab676SJeff Bonwick } 4965fa9e4066Sahrens 4966fa9e4066Sahrens /* 4967b24ab676SJeff Bonwick * Write all the copies of our block. 4968fa9e4066Sahrens */ 4969b24ab676SJeff Bonwick for (int i = 0; i < copies; i++) { 4970b24ab676SJeff Bonwick uint64_t offset = i * blocksize; 49713b2aab18SMatthew Ahrens int error = dmu_buf_hold(os, object, offset, FTAG, &db, 49723b2aab18SMatthew Ahrens DMU_READ_NO_PREFETCH); 49733b2aab18SMatthew Ahrens if (error != 0) { 49743b2aab18SMatthew Ahrens fatal(B_FALSE, "dmu_buf_hold(%p, %llu, %llu) = %u", 49753b2aab18SMatthew Ahrens os, (long long)object, (long long) offset, error); 49763b2aab18SMatthew Ahrens } 4977b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 4978b24ab676SJeff Bonwick ASSERT(db->db_size == blocksize); 4979b24ab676SJeff Bonwick ASSERT(ztest_pattern_match(db->db_data, db->db_size, pattern) || 4980b24ab676SJeff Bonwick ztest_pattern_match(db->db_data, db->db_size, 0ULL)); 4981b24ab676SJeff Bonwick dmu_buf_will_fill(db, tx); 4982b24ab676SJeff Bonwick ztest_pattern_set(db->db_data, db->db_size, pattern); 4983b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4984b24ab676SJeff Bonwick } 4985fa9e4066Sahrens 4986b24ab676SJeff Bonwick dmu_tx_commit(tx); 4987b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), txg); 4988fa9e4066Sahrens 4989fa9e4066Sahrens /* 4990b24ab676SJeff Bonwick * Find out what block we got. 4991fa9e4066Sahrens */ 499280901aeaSGeorge Wilson VERIFY0(dmu_buf_hold(os, object, 0, FTAG, &db, 499380901aeaSGeorge Wilson DMU_READ_NO_PREFETCH)); 4994b24ab676SJeff Bonwick blk = *((dmu_buf_impl_t *)db)->db_blkptr; 4995b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4996fa9e4066Sahrens 4997fa9e4066Sahrens /* 4998b24ab676SJeff Bonwick * Damage the block. Dedup-ditto will save us when we read it later. 4999fa9e4066Sahrens */ 5000b24ab676SJeff Bonwick psize = BP_GET_PSIZE(&blk); 5001b24ab676SJeff Bonwick buf = zio_buf_alloc(psize); 5002b24ab676SJeff Bonwick ztest_pattern_set(buf, psize, ~pattern); 5003fa9e4066Sahrens 5004b24ab676SJeff Bonwick (void) zio_wait(zio_rewrite(NULL, spa, 0, &blk, 5005b24ab676SJeff Bonwick buf, psize, NULL, NULL, ZIO_PRIORITY_SYNC_WRITE, 5006b24ab676SJeff Bonwick ZIO_FLAG_CANFAIL | ZIO_FLAG_INDUCE_DAMAGE, NULL)); 5007fa9e4066Sahrens 5008b24ab676SJeff Bonwick zio_buf_free(buf, psize); 5009fa9e4066Sahrens 5010420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5011fa9e4066Sahrens } 5012fa9e4066Sahrens 5013fa9e4066Sahrens /* 5014b24ab676SJeff Bonwick * Scrub the pool. 5015fa9e4066Sahrens */ 5016b24ab676SJeff Bonwick /* ARGSUSED */ 5017b24ab676SJeff Bonwick void 5018b24ab676SJeff Bonwick ztest_scrub(ztest_ds_t *zd, uint64_t id) 5019fa9e4066Sahrens { 5020420dfc95SChris Siden spa_t *spa = ztest_spa; 5021fa9e4066Sahrens 50223f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 5023b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); /* wait a moment, then force a restart */ 50243f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 5025b24ab676SJeff Bonwick } 5026fa9e4066Sahrens 5027e9103aaeSGarrett D'Amore /* 5028e9103aaeSGarrett D'Amore * Change the guid for the pool. 5029e9103aaeSGarrett D'Amore */ 5030e9103aaeSGarrett D'Amore /* ARGSUSED */ 5031e9103aaeSGarrett D'Amore void 5032e9103aaeSGarrett D'Amore ztest_reguid(ztest_ds_t *zd, uint64_t id) 5033e9103aaeSGarrett D'Amore { 5034420dfc95SChris Siden spa_t *spa = ztest_spa; 5035e9103aaeSGarrett D'Amore uint64_t orig, load; 5036dfbb9432SGeorge Wilson int error; 5037e9103aaeSGarrett D'Amore 5038e9103aaeSGarrett D'Amore orig = spa_guid(spa); 5039e9103aaeSGarrett D'Amore load = spa_load_guid(spa); 5040dfbb9432SGeorge Wilson 5041dfbb9432SGeorge Wilson (void) rw_wrlock(&ztest_name_lock); 5042dfbb9432SGeorge Wilson error = spa_change_guid(spa); 5043dfbb9432SGeorge Wilson (void) rw_unlock(&ztest_name_lock); 5044dfbb9432SGeorge Wilson 5045dfbb9432SGeorge Wilson if (error != 0) 5046e9103aaeSGarrett D'Amore return; 5047e9103aaeSGarrett D'Amore 504825345e46SGeorge Wilson if (ztest_opts.zo_verbose >= 4) { 5049e9103aaeSGarrett D'Amore (void) printf("Changed guid old %llu -> %llu\n", 5050e9103aaeSGarrett D'Amore (u_longlong_t)orig, (u_longlong_t)spa_guid(spa)); 5051e9103aaeSGarrett D'Amore } 5052e9103aaeSGarrett D'Amore 5053e9103aaeSGarrett D'Amore VERIFY3U(orig, !=, spa_guid(spa)); 5054e9103aaeSGarrett D'Amore VERIFY3U(load, ==, spa_load_guid(spa)); 5055e9103aaeSGarrett D'Amore } 5056e9103aaeSGarrett D'Amore 5057b24ab676SJeff Bonwick /* 5058b24ab676SJeff Bonwick * Rename the pool to a different name and then rename it back. 5059b24ab676SJeff Bonwick */ 5060b24ab676SJeff Bonwick /* ARGSUSED */ 5061b24ab676SJeff Bonwick void 5062b24ab676SJeff Bonwick ztest_spa_rename(ztest_ds_t *zd, uint64_t id) 5063b24ab676SJeff Bonwick { 5064b24ab676SJeff Bonwick char *oldname, *newname; 5065b24ab676SJeff Bonwick spa_t *spa; 5066fa9e4066Sahrens 5067420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 5068fa9e4066Sahrens 5069420dfc95SChris Siden oldname = ztest_opts.zo_pool; 5070b24ab676SJeff Bonwick newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 5071b24ab676SJeff Bonwick (void) strcpy(newname, oldname); 5072b24ab676SJeff Bonwick (void) strcat(newname, "_tmp"); 5073fa9e4066Sahrens 5074fa9e4066Sahrens /* 5075b24ab676SJeff Bonwick * Do the rename 5076fa9e4066Sahrens */ 5077b420f3adSRichard Lowe VERIFY3U(0, ==, spa_rename(oldname, newname)); 5078fa9e4066Sahrens 5079fa9e4066Sahrens /* 5080b24ab676SJeff Bonwick * Try to open it under the old name, which shouldn't exist 5081fa9e4066Sahrens */ 5082b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 5083fa9e4066Sahrens 5084fa9e4066Sahrens /* 5085b24ab676SJeff Bonwick * Open it under the new name and make sure it's still the same spa_t. 5086fa9e4066Sahrens */ 5087b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 5088fa9e4066Sahrens 5089420dfc95SChris Siden ASSERT(spa == ztest_spa); 5090b24ab676SJeff Bonwick spa_close(spa, FTAG); 5091fa9e4066Sahrens 5092b24ab676SJeff Bonwick /* 5093b24ab676SJeff Bonwick * Rename it back to the original 5094b24ab676SJeff Bonwick */ 5095b420f3adSRichard Lowe VERIFY3U(0, ==, spa_rename(newname, oldname)); 5096fa9e4066Sahrens 5097fa9e4066Sahrens /* 5098b24ab676SJeff Bonwick * Make sure it can still be opened 5099fa9e4066Sahrens */ 5100b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 5101fa9e4066Sahrens 5102420dfc95SChris Siden ASSERT(spa == ztest_spa); 5103b24ab676SJeff Bonwick spa_close(spa, FTAG); 5104fa9e4066Sahrens 5105b24ab676SJeff Bonwick umem_free(newname, strlen(newname) + 1); 5106b24ab676SJeff Bonwick 5107420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5108fa9e4066Sahrens } 5109fa9e4066Sahrens 5110b24ab676SJeff Bonwick /* 5111b24ab676SJeff Bonwick * Verify pool integrity by running zdb. 5112b24ab676SJeff Bonwick */ 5113fa9e4066Sahrens static void 5114b24ab676SJeff Bonwick ztest_run_zdb(char *pool) 5115fa9e4066Sahrens { 5116fa9e4066Sahrens int status; 5117fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 5118fa9e4066Sahrens char zbuf[1024]; 5119fa9e4066Sahrens char *bin; 51208654d025Sperrin char *ztest; 51218654d025Sperrin char *isa; 51228654d025Sperrin int isalen; 5123fa9e4066Sahrens FILE *fp; 5124fa9e4066Sahrens 5125fa9e4066Sahrens (void) realpath(getexecname(), zdb); 5126fa9e4066Sahrens 5127fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 5128fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 51298654d025Sperrin ztest = strstr(bin, "/ztest"); 51308654d025Sperrin isa = bin + 8; 51318654d025Sperrin isalen = ztest - isa; 51328654d025Sperrin isa = strdup(isa); 5133fa9e4066Sahrens /* LINTED */ 51343a57275aSck (void) sprintf(bin, 5135f0ba89beSJeff Bonwick "/usr/sbin%.*s/zdb -bcc%s%s -U %s %s", 51368654d025Sperrin isalen, 51378654d025Sperrin isa, 5138420dfc95SChris Siden ztest_opts.zo_verbose >= 3 ? "s" : "", 5139420dfc95SChris Siden ztest_opts.zo_verbose >= 4 ? "v" : "", 5140f0ba89beSJeff Bonwick spa_config_path, 514188b7b0f2SMatthew Ahrens pool); 51428654d025Sperrin free(isa); 5143fa9e4066Sahrens 5144420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) 5145fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 5146fa9e4066Sahrens 5147fa9e4066Sahrens fp = popen(zdb, "r"); 5148fa9e4066Sahrens 5149fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 5150420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5151fa9e4066Sahrens (void) printf("%s", zbuf); 5152fa9e4066Sahrens 5153fa9e4066Sahrens status = pclose(fp); 5154fa9e4066Sahrens 5155fa9e4066Sahrens if (status == 0) 5156fa9e4066Sahrens return; 5157fa9e4066Sahrens 5158fa9e4066Sahrens ztest_dump_core = 0; 5159fa9e4066Sahrens if (WIFEXITED(status)) 5160fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 5161fa9e4066Sahrens else 5162fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 5163fa9e4066Sahrens } 5164fa9e4066Sahrens 5165fa9e4066Sahrens static void 5166fa9e4066Sahrens ztest_walk_pool_directory(char *header) 5167fa9e4066Sahrens { 5168fa9e4066Sahrens spa_t *spa = NULL; 5169fa9e4066Sahrens 5170420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5171fa9e4066Sahrens (void) printf("%s\n", header); 5172fa9e4066Sahrens 5173fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 5174fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 5175420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5176fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 5177fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 5178fa9e4066Sahrens } 5179fa9e4066Sahrens 5180fa9e4066Sahrens static void 5181fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 5182fa9e4066Sahrens { 51838ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 5184fa9e4066Sahrens uint64_t pool_guid; 5185fa9e4066Sahrens spa_t *spa; 51863b2aab18SMatthew Ahrens int error; 5187fa9e4066Sahrens 5188420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) { 5189fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 5190fa9e4066Sahrens oldname, newname); 5191fa9e4066Sahrens } 5192fa9e4066Sahrens 5193fa9e4066Sahrens /* 5194fa9e4066Sahrens * Clean up from previous runs. 5195fa9e4066Sahrens */ 5196fa9e4066Sahrens (void) spa_destroy(newname); 5197fa9e4066Sahrens 5198fa9e4066Sahrens /* 5199fa9e4066Sahrens * Get the pool's configuration and guid. 5200fa9e4066Sahrens */ 5201b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 5202fa9e4066Sahrens 52038ad4d6ddSJeff Bonwick /* 52048ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 52058ad4d6ddSJeff Bonwick */ 52068ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 52073f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 52088ad4d6ddSJeff Bonwick 5209fa9e4066Sahrens pool_guid = spa_guid(spa); 5210fa9e4066Sahrens spa_close(spa, FTAG); 5211fa9e4066Sahrens 5212fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 5213fa9e4066Sahrens 5214fa9e4066Sahrens /* 5215fa9e4066Sahrens * Export it. 5216fa9e4066Sahrens */ 5217b420f3adSRichard Lowe VERIFY3U(0, ==, spa_export(oldname, &config, B_FALSE, B_FALSE)); 5218fa9e4066Sahrens 5219fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 5220fa9e4066Sahrens 52218ad4d6ddSJeff Bonwick /* 52228ad4d6ddSJeff Bonwick * Try to import it. 52238ad4d6ddSJeff Bonwick */ 52248ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 52258ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 52268ad4d6ddSJeff Bonwick nvlist_free(newconfig); 52278ad4d6ddSJeff Bonwick 5228fa9e4066Sahrens /* 5229fa9e4066Sahrens * Import it under the new name. 5230fa9e4066Sahrens */ 52313b2aab18SMatthew Ahrens error = spa_import(newname, config, NULL, 0); 52323b2aab18SMatthew Ahrens if (error != 0) { 52333b2aab18SMatthew Ahrens dump_nvlist(config, 0); 52343b2aab18SMatthew Ahrens fatal(B_FALSE, "couldn't import pool %s as %s: error %u", 52353b2aab18SMatthew Ahrens oldname, newname, error); 52363b2aab18SMatthew Ahrens } 5237fa9e4066Sahrens 5238fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 5239fa9e4066Sahrens 5240fa9e4066Sahrens /* 5241fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 5242fa9e4066Sahrens */ 52434b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(newname, config, NULL, 0)); 5244fa9e4066Sahrens 5245fa9e4066Sahrens /* 5246fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 5247fa9e4066Sahrens */ 52484b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(oldname, config, NULL, 0)); 5249fa9e4066Sahrens 5250fa9e4066Sahrens /* 5251fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 5252fa9e4066Sahrens */ 5253b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 5254fa9e4066Sahrens 5255fa9e4066Sahrens /* 5256fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 5257fa9e4066Sahrens */ 5258b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 5259fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 5260fa9e4066Sahrens spa_close(spa, FTAG); 5261fa9e4066Sahrens 5262fa9e4066Sahrens nvlist_free(config); 5263fa9e4066Sahrens } 5264fa9e4066Sahrens 52658ad4d6ddSJeff Bonwick static void 52668ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 52678ad4d6ddSJeff Bonwick { 5268420dfc95SChris Siden if (spa_suspended(spa) && ztest_opts.zo_verbose >= 6) 5269b24ab676SJeff Bonwick (void) printf("resuming from suspended state\n"); 5270b24ab676SJeff Bonwick spa_vdev_state_enter(spa, SCL_NONE); 5271b24ab676SJeff Bonwick vdev_clear(spa, NULL); 5272b24ab676SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 5273b24ab676SJeff Bonwick (void) zio_resume(spa); 52748ad4d6ddSJeff Bonwick } 52758ad4d6ddSJeff Bonwick 52760a4e9518Sgw static void * 52778ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 52780a4e9518Sgw { 5279e14bb325SJeff Bonwick spa_t *spa = arg; 52800a4e9518Sgw 52810a4e9518Sgw while (!ztest_exiting) { 5282b24ab676SJeff Bonwick if (spa_suspended(spa)) 5283b24ab676SJeff Bonwick ztest_resume(spa); 5284b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 52850a4e9518Sgw } 52860a4e9518Sgw return (NULL); 52870a4e9518Sgw } 52880a4e9518Sgw 5289b24ab676SJeff Bonwick static void * 5290b24ab676SJeff Bonwick ztest_deadman_thread(void *arg) 5291b24ab676SJeff Bonwick { 5292b24ab676SJeff Bonwick ztest_shared_t *zs = arg; 5293b24ab676SJeff Bonwick int grace = 300; 5294b24ab676SJeff Bonwick hrtime_t delta; 5295b24ab676SJeff Bonwick 5296b24ab676SJeff Bonwick delta = (zs->zs_thread_stop - zs->zs_thread_start) / NANOSEC + grace; 5297b24ab676SJeff Bonwick 5298b24ab676SJeff Bonwick (void) poll(NULL, 0, (int)(1000 * delta)); 5299b24ab676SJeff Bonwick 5300b24ab676SJeff Bonwick fatal(0, "failed to complete within %d seconds of deadline", grace); 5301b24ab676SJeff Bonwick 5302b24ab676SJeff Bonwick return (NULL); 5303b24ab676SJeff Bonwick } 5304b24ab676SJeff Bonwick 5305b24ab676SJeff Bonwick static void 5306420dfc95SChris Siden ztest_execute(int test, ztest_info_t *zi, uint64_t id) 5307b24ab676SJeff Bonwick { 5308420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[id % ztest_opts.zo_datasets]; 5309420dfc95SChris Siden ztest_shared_callstate_t *zc = ZTEST_GET_SHARED_CALLSTATE(test); 5310b24ab676SJeff Bonwick hrtime_t functime = gethrtime(); 5311b24ab676SJeff Bonwick 5312b24ab676SJeff Bonwick for (int i = 0; i < zi->zi_iters; i++) 5313b24ab676SJeff Bonwick zi->zi_func(zd, id); 5314b24ab676SJeff Bonwick 5315b24ab676SJeff Bonwick functime = gethrtime() - functime; 5316b24ab676SJeff Bonwick 5317420dfc95SChris Siden atomic_add_64(&zc->zc_count, 1); 5318420dfc95SChris Siden atomic_add_64(&zc->zc_time, functime); 5319b24ab676SJeff Bonwick 5320420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) { 5321b24ab676SJeff Bonwick Dl_info dli; 5322b24ab676SJeff Bonwick (void) dladdr((void *)zi->zi_func, &dli); 5323b24ab676SJeff Bonwick (void) printf("%6.2f sec in %s\n", 5324b24ab676SJeff Bonwick (double)functime / NANOSEC, dli.dli_sname); 5325b24ab676SJeff Bonwick } 5326b24ab676SJeff Bonwick } 5327b24ab676SJeff Bonwick 5328fa9e4066Sahrens static void * 5329fa9e4066Sahrens ztest_thread(void *arg) 5330fa9e4066Sahrens { 5331420dfc95SChris Siden int rand; 5332b24ab676SJeff Bonwick uint64_t id = (uintptr_t)arg; 5333fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 5334b24ab676SJeff Bonwick uint64_t call_next; 5335b24ab676SJeff Bonwick hrtime_t now; 5336fa9e4066Sahrens ztest_info_t *zi; 5337420dfc95SChris Siden ztest_shared_callstate_t *zc; 5338fa9e4066Sahrens 5339b24ab676SJeff Bonwick while ((now = gethrtime()) < zs->zs_thread_stop) { 5340fa9e4066Sahrens /* 5341fa9e4066Sahrens * See if it's time to force a crash. 5342fa9e4066Sahrens */ 5343b24ab676SJeff Bonwick if (now > zs->zs_thread_kill) 5344b24ab676SJeff Bonwick ztest_kill(zs); 5345fa9e4066Sahrens 5346fa9e4066Sahrens /* 5347b24ab676SJeff Bonwick * If we're getting ENOSPC with some regularity, stop. 5348fa9e4066Sahrens */ 5349b24ab676SJeff Bonwick if (zs->zs_enospc_count > 10) 5350b24ab676SJeff Bonwick break; 5351fa9e4066Sahrens 5352fa9e4066Sahrens /* 5353b24ab676SJeff Bonwick * Pick a random function to execute. 5354fa9e4066Sahrens */ 5355420dfc95SChris Siden rand = ztest_random(ZTEST_FUNCS); 5356420dfc95SChris Siden zi = &ztest_info[rand]; 5357420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(rand); 5358420dfc95SChris Siden call_next = zc->zc_next; 5359b24ab676SJeff Bonwick 5360b24ab676SJeff Bonwick if (now >= call_next && 5361420dfc95SChris Siden atomic_cas_64(&zc->zc_next, call_next, call_next + 5362420dfc95SChris Siden ztest_random(2 * zi->zi_interval[0] + 1)) == call_next) { 5363420dfc95SChris Siden ztest_execute(rand, zi, id); 5364420dfc95SChris Siden } 5365b24ab676SJeff Bonwick } 5366fa9e4066Sahrens 5367b24ab676SJeff Bonwick return (NULL); 5368b24ab676SJeff Bonwick } 5369fa9e4066Sahrens 5370b24ab676SJeff Bonwick static void 5371b24ab676SJeff Bonwick ztest_dataset_name(char *dsname, char *pool, int d) 5372b24ab676SJeff Bonwick { 5373b24ab676SJeff Bonwick (void) snprintf(dsname, MAXNAMELEN, "%s/ds_%d", pool, d); 5374b24ab676SJeff Bonwick } 5375fa9e4066Sahrens 5376b24ab676SJeff Bonwick static void 5377420dfc95SChris Siden ztest_dataset_destroy(int d) 5378b24ab676SJeff Bonwick { 5379b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5380fa9e4066Sahrens 5381420dfc95SChris Siden ztest_dataset_name(name, ztest_opts.zo_pool, d); 5382fa9e4066Sahrens 5383420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5384b24ab676SJeff Bonwick (void) printf("Destroying %s to free up space\n", name); 5385fa9e4066Sahrens 5386b24ab676SJeff Bonwick /* 5387b24ab676SJeff Bonwick * Cleanup any non-standard clones and snapshots. In general, 5388b24ab676SJeff Bonwick * ztest thread t operates on dataset (t % zopt_datasets), 5389b24ab676SJeff Bonwick * so there may be more than one thing to clean up. 5390b24ab676SJeff Bonwick */ 5391420dfc95SChris Siden for (int t = d; t < ztest_opts.zo_threads; 5392420dfc95SChris Siden t += ztest_opts.zo_datasets) { 5393b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(name, t); 5394420dfc95SChris Siden } 5395fa9e4066Sahrens 5396b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 5397b24ab676SJeff Bonwick DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 5398b24ab676SJeff Bonwick } 5399b24ab676SJeff Bonwick 5400b24ab676SJeff Bonwick static void 5401b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(ztest_ds_t *zd) 5402b24ab676SJeff Bonwick { 5403b24ab676SJeff Bonwick uint64_t usedobjs, dirobjs, scratch; 5404b24ab676SJeff Bonwick 5405b24ab676SJeff Bonwick /* 5406b24ab676SJeff Bonwick * ZTEST_DIROBJ is the object directory for the entire dataset. 5407b24ab676SJeff Bonwick * Therefore, the number of objects in use should equal the 5408b24ab676SJeff Bonwick * number of ZTEST_DIROBJ entries, +1 for ZTEST_DIROBJ itself. 5409b24ab676SJeff Bonwick * If not, we have an object leak. 5410b24ab676SJeff Bonwick * 5411b24ab676SJeff Bonwick * Note that we can only check this in ztest_dataset_open(), 5412b24ab676SJeff Bonwick * when the open-context and syncing-context values agree. 5413b24ab676SJeff Bonwick * That's because zap_count() returns the open-context value, 5414b24ab676SJeff Bonwick * while dmu_objset_space() returns the rootbp fill count. 5415b24ab676SJeff Bonwick */ 5416b420f3adSRichard Lowe VERIFY3U(0, ==, zap_count(zd->zd_os, ZTEST_DIROBJ, &dirobjs)); 5417b24ab676SJeff Bonwick dmu_objset_space(zd->zd_os, &scratch, &scratch, &usedobjs, &scratch); 5418b24ab676SJeff Bonwick ASSERT3U(dirobjs + 1, ==, usedobjs); 5419b24ab676SJeff Bonwick } 5420b24ab676SJeff Bonwick 5421b24ab676SJeff Bonwick static int 5422420dfc95SChris Siden ztest_dataset_open(int d) 5423b24ab676SJeff Bonwick { 5424420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[d]; 5425420dfc95SChris Siden uint64_t committed_seq = ZTEST_GET_SHARED_DS(d)->zd_seq; 5426b24ab676SJeff Bonwick objset_t *os; 5427b24ab676SJeff Bonwick zilog_t *zilog; 5428b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5429b24ab676SJeff Bonwick int error; 5430b24ab676SJeff Bonwick 5431420dfc95SChris Siden ztest_dataset_name(name, ztest_opts.zo_pool, d); 5432b24ab676SJeff Bonwick 5433420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 5434b24ab676SJeff Bonwick 543555da60b9SMark J Musante error = ztest_dataset_create(name); 5436b24ab676SJeff Bonwick if (error == ENOSPC) { 5437420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5438b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 5439b24ab676SJeff Bonwick return (error); 5440fa9e4066Sahrens } 5441b24ab676SJeff Bonwick ASSERT(error == 0 || error == EEXIST); 5442fa9e4066Sahrens 54433b2aab18SMatthew Ahrens VERIFY0(dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, zd, &os)); 5444420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5445b24ab676SJeff Bonwick 5446420dfc95SChris Siden ztest_zd_init(zd, ZTEST_GET_SHARED_DS(d), os); 5447b24ab676SJeff Bonwick 5448b24ab676SJeff Bonwick zilog = zd->zd_zilog; 5449b24ab676SJeff Bonwick 5450b24ab676SJeff Bonwick if (zilog->zl_header->zh_claim_lr_seq != 0 && 5451b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq < committed_seq) 5452b24ab676SJeff Bonwick fatal(0, "missing log records: claimed %llu < committed %llu", 5453b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq, committed_seq); 5454b24ab676SJeff Bonwick 5455b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5456b24ab676SJeff Bonwick 5457b24ab676SJeff Bonwick zil_replay(os, zd, ztest_replay_vector); 5458b24ab676SJeff Bonwick 5459b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5460b24ab676SJeff Bonwick 5461420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5462b24ab676SJeff Bonwick (void) printf("%s replay %llu blocks, %llu records, seq %llu\n", 5463b24ab676SJeff Bonwick zd->zd_name, 5464b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_blk_count, 5465b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_lr_count, 5466b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_replaying_seq); 5467b24ab676SJeff Bonwick 5468b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 5469b24ab676SJeff Bonwick 5470b24ab676SJeff Bonwick if (zilog->zl_replaying_seq != 0 && 5471b24ab676SJeff Bonwick zilog->zl_replaying_seq < committed_seq) 5472b24ab676SJeff Bonwick fatal(0, "missing log records: replayed %llu < committed %llu", 5473b24ab676SJeff Bonwick zilog->zl_replaying_seq, committed_seq); 5474b24ab676SJeff Bonwick 5475b24ab676SJeff Bonwick return (0); 5476b24ab676SJeff Bonwick } 5477b24ab676SJeff Bonwick 5478b24ab676SJeff Bonwick static void 5479420dfc95SChris Siden ztest_dataset_close(int d) 5480b24ab676SJeff Bonwick { 5481420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[d]; 5482b24ab676SJeff Bonwick 5483b24ab676SJeff Bonwick zil_close(zd->zd_zilog); 54843b2aab18SMatthew Ahrens dmu_objset_disown(zd->zd_os, zd); 5485b24ab676SJeff Bonwick 5486b24ab676SJeff Bonwick ztest_zd_fini(zd); 5487fa9e4066Sahrens } 5488fa9e4066Sahrens 5489fa9e4066Sahrens /* 5490fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 5491fa9e4066Sahrens */ 5492fa9e4066Sahrens static void 5493b24ab676SJeff Bonwick ztest_run(ztest_shared_t *zs) 5494fa9e4066Sahrens { 5495b24ab676SJeff Bonwick thread_t *tid; 5496fa9e4066Sahrens spa_t *spa; 5497e9103aaeSGarrett D'Amore objset_t *os; 5498e14bb325SJeff Bonwick thread_t resume_tid; 5499b24ab676SJeff Bonwick int error; 5500e14bb325SJeff Bonwick 5501e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 5502fa9e4066Sahrens 5503fa9e4066Sahrens /* 5504b24ab676SJeff Bonwick * Initialize parent/child shared state. 5505fa9e4066Sahrens */ 5506420dfc95SChris Siden VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0); 5507420dfc95SChris Siden VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0); 5508fa9e4066Sahrens 5509b24ab676SJeff Bonwick zs->zs_thread_start = gethrtime(); 5510420dfc95SChris Siden zs->zs_thread_stop = 5511420dfc95SChris Siden zs->zs_thread_start + ztest_opts.zo_passtime * NANOSEC; 5512b24ab676SJeff Bonwick zs->zs_thread_stop = MIN(zs->zs_thread_stop, zs->zs_proc_stop); 5513b24ab676SJeff Bonwick zs->zs_thread_kill = zs->zs_thread_stop; 5514420dfc95SChris Siden if (ztest_random(100) < ztest_opts.zo_killrate) { 5515420dfc95SChris Siden zs->zs_thread_kill -= 5516420dfc95SChris Siden ztest_random(ztest_opts.zo_passtime * NANOSEC); 5517420dfc95SChris Siden } 5518fa9e4066Sahrens 5519b24ab676SJeff Bonwick (void) _mutex_init(&zcl.zcl_callbacks_lock, USYNC_THREAD, NULL); 5520fa9e4066Sahrens 5521b24ab676SJeff Bonwick list_create(&zcl.zcl_callbacks, sizeof (ztest_cb_data_t), 5522b24ab676SJeff Bonwick offsetof(ztest_cb_data_t, zcd_node)); 5523fa9e4066Sahrens 55240a4e9518Sgw /* 5525e14bb325SJeff Bonwick * Open our pool. 55260a4e9518Sgw */ 5527b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 55283b2aab18SMatthew Ahrens VERIFY0(spa_open(ztest_opts.zo_pool, &spa, FTAG)); 552909c9d376SGeorge Wilson spa->spa_debug = B_TRUE; 5530420dfc95SChris Siden ztest_spa = spa; 5531b24ab676SJeff Bonwick 55323b2aab18SMatthew Ahrens VERIFY0(dmu_objset_own(ztest_opts.zo_pool, 55333b2aab18SMatthew Ahrens DMU_OST_ANY, B_TRUE, FTAG, &os)); 5534e9103aaeSGarrett D'Amore zs->zs_guid = dmu_objset_fsid_guid(os); 55353b2aab18SMatthew Ahrens dmu_objset_disown(os, FTAG); 5536e9103aaeSGarrett D'Amore 5537b24ab676SJeff Bonwick spa->spa_dedup_ditto = 2 * ZIO_DEDUPDITTO_MIN; 55380a4e9518Sgw 55398ad4d6ddSJeff Bonwick /* 55408ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 55418ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 55428ad4d6ddSJeff Bonwick * the only valid replica. 55438ad4d6ddSJeff Bonwick */ 55441195e687SMark J Musante if (MAXFAULTS() == 0) 55458ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 55468ad4d6ddSJeff Bonwick else 55478ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 55488ad4d6ddSJeff Bonwick 5549fa9e4066Sahrens /* 5550e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 5551fa9e4066Sahrens */ 55528ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 5553e14bb325SJeff Bonwick &resume_tid) == 0); 5554fa9e4066Sahrens 5555b24ab676SJeff Bonwick /* 5556b24ab676SJeff Bonwick * Create a deadman thread to abort() if we hang. 5557b24ab676SJeff Bonwick */ 5558b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_deadman_thread, zs, THR_BOUND, 5559b24ab676SJeff Bonwick NULL) == 0); 5560b24ab676SJeff Bonwick 5561fa9e4066Sahrens /* 5562fa9e4066Sahrens * Verify that we can safely inquire about about any object, 5563fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 5564fa9e4066Sahrens * we probe a 5-wide window around each power of two. 5565fa9e4066Sahrens * This hits all edge cases, including zero and the max. 5566fa9e4066Sahrens */ 5567b24ab676SJeff Bonwick for (int t = 0; t < 64; t++) { 5568b24ab676SJeff Bonwick for (int d = -5; d <= 5; d++) { 5569fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 5570fa9e4066Sahrens (1ULL << t) + d, NULL); 5571ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 5572ea8dc4b6Seschrock error == EINVAL); 5573fa9e4066Sahrens } 5574fa9e4066Sahrens } 5575fa9e4066Sahrens 5576fa9e4066Sahrens /* 5577b24ab676SJeff Bonwick * If we got any ENOSPC errors on the previous run, destroy something. 5578fa9e4066Sahrens */ 5579b24ab676SJeff Bonwick if (zs->zs_enospc_count != 0) { 5580420dfc95SChris Siden int d = ztest_random(ztest_opts.zo_datasets); 5581420dfc95SChris Siden ztest_dataset_destroy(d); 5582b24ab676SJeff Bonwick } 5583fa9e4066Sahrens zs->zs_enospc_count = 0; 5584fa9e4066Sahrens 5585420dfc95SChris Siden tid = umem_zalloc(ztest_opts.zo_threads * sizeof (thread_t), 5586420dfc95SChris Siden UMEM_NOFAIL); 5587fa9e4066Sahrens 5588420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) 5589fa9e4066Sahrens (void) printf("starting main threads...\n"); 5590fa9e4066Sahrens 5591b24ab676SJeff Bonwick /* 5592b24ab676SJeff Bonwick * Kick off all the tests that run in parallel. 5593b24ab676SJeff Bonwick */ 5594420dfc95SChris Siden for (int t = 0; t < ztest_opts.zo_threads; t++) { 5595420dfc95SChris Siden if (t < ztest_opts.zo_datasets && 5596420dfc95SChris Siden ztest_dataset_open(t) != 0) 5597b24ab676SJeff Bonwick return; 5598b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, (void *)(uintptr_t)t, 5599b24ab676SJeff Bonwick THR_BOUND, &tid[t]) == 0); 5600fa9e4066Sahrens } 5601fa9e4066Sahrens 5602b24ab676SJeff Bonwick /* 5603b24ab676SJeff Bonwick * Wait for all of the tests to complete. We go in reverse order 5604b24ab676SJeff Bonwick * so we don't close datasets while threads are still using them. 5605b24ab676SJeff Bonwick */ 5606420dfc95SChris Siden for (int t = ztest_opts.zo_threads - 1; t >= 0; t--) { 5607b24ab676SJeff Bonwick VERIFY(thr_join(tid[t], NULL, NULL) == 0); 5608420dfc95SChris Siden if (t < ztest_opts.zo_datasets) 5609420dfc95SChris Siden ztest_dataset_close(t); 5610fa9e4066Sahrens } 5611fa9e4066Sahrens 5612fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 5613fa9e4066Sahrens 5614b24ab676SJeff Bonwick zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 5615b24ab676SJeff Bonwick zs->zs_space = metaslab_class_get_space(spa_normal_class(spa)); 5616b24ab676SJeff Bonwick 5617420dfc95SChris Siden umem_free(tid, ztest_opts.zo_threads * sizeof (thread_t)); 5618b24ab676SJeff Bonwick 5619b24ab676SJeff Bonwick /* Kill the resume thread */ 5620b24ab676SJeff Bonwick ztest_exiting = B_TRUE; 5621b24ab676SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 5622b24ab676SJeff Bonwick ztest_resume(spa); 5623b24ab676SJeff Bonwick 5624b24ab676SJeff Bonwick /* 5625b24ab676SJeff Bonwick * Right before closing the pool, kick off a bunch of async I/O; 5626b24ab676SJeff Bonwick * spa_close() should wait for it to complete. 5627b24ab676SJeff Bonwick */ 5628b24ab676SJeff Bonwick for (uint64_t object = 1; object < 50; object++) 5629b24ab676SJeff Bonwick dmu_prefetch(spa->spa_meta_objset, object, 0, 1ULL << 20); 5630b24ab676SJeff Bonwick 5631b24ab676SJeff Bonwick spa_close(spa, FTAG); 5632fa9e4066Sahrens 5633fa9e4066Sahrens /* 5634b24ab676SJeff Bonwick * Verify that we can loop over all pools. 5635fa9e4066Sahrens */ 5636b24ab676SJeff Bonwick mutex_enter(&spa_namespace_lock); 5637b24ab676SJeff Bonwick for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) 5638420dfc95SChris Siden if (ztest_opts.zo_verbose > 3) 5639b24ab676SJeff Bonwick (void) printf("spa_next: found %s\n", spa_name(spa)); 5640b24ab676SJeff Bonwick mutex_exit(&spa_namespace_lock); 5641b24ab676SJeff Bonwick 5642b24ab676SJeff Bonwick /* 5643b24ab676SJeff Bonwick * Verify that we can export the pool and reimport it under a 5644b24ab676SJeff Bonwick * different name. 5645b24ab676SJeff Bonwick */ 5646b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 5647b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5648420dfc95SChris Siden (void) snprintf(name, MAXNAMELEN, "%s_import", 5649420dfc95SChris Siden ztest_opts.zo_pool); 5650420dfc95SChris Siden ztest_spa_import_export(ztest_opts.zo_pool, name); 5651420dfc95SChris Siden ztest_spa_import_export(name, ztest_opts.zo_pool); 5652b24ab676SJeff Bonwick } 5653b24ab676SJeff Bonwick 5654b24ab676SJeff Bonwick kernel_fini(); 565526cb54a9SGeorge Wilson 565626cb54a9SGeorge Wilson list_destroy(&zcl.zcl_callbacks); 565726cb54a9SGeorge Wilson 565826cb54a9SGeorge Wilson (void) _mutex_destroy(&zcl.zcl_callbacks_lock); 565926cb54a9SGeorge Wilson 5660420dfc95SChris Siden (void) rwlock_destroy(&ztest_name_lock); 5661420dfc95SChris Siden (void) _mutex_destroy(&ztest_vdev_lock); 5662b24ab676SJeff Bonwick } 5663b24ab676SJeff Bonwick 5664b24ab676SJeff Bonwick static void 5665420dfc95SChris Siden ztest_freeze(void) 5666b24ab676SJeff Bonwick { 5667420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[0]; 5668b24ab676SJeff Bonwick spa_t *spa; 56692215e990SMark J Musante int numloops = 0; 5670b24ab676SJeff Bonwick 5671420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5672b24ab676SJeff Bonwick (void) printf("testing spa_freeze()...\n"); 5673718d718aSGeorge Wilson 5674b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5675b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5676b420f3adSRichard Lowe VERIFY3U(0, ==, ztest_dataset_open(0)); 567780901aeaSGeorge Wilson spa->spa_debug = B_TRUE; 567880901aeaSGeorge Wilson ztest_spa = spa; 5679718d718aSGeorge Wilson 5680b24ab676SJeff Bonwick /* 5681b24ab676SJeff Bonwick * Force the first log block to be transactionally allocated. 5682b24ab676SJeff Bonwick * We have to do this before we freeze the pool -- otherwise 5683b24ab676SJeff Bonwick * the log chain won't be anchored. 5684b24ab676SJeff Bonwick */ 5685b24ab676SJeff Bonwick while (BP_IS_HOLE(&zd->zd_zilog->zl_header->zh_log)) { 5686b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 56875002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5688fa9e4066Sahrens } 5689fa9e4066Sahrens 5690ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 5691fa9e4066Sahrens 5692b24ab676SJeff Bonwick /* 5693b24ab676SJeff Bonwick * Freeze the pool. This stops spa_sync() from doing anything, 5694b24ab676SJeff Bonwick * so that the only way to record changes from now on is the ZIL. 5695b24ab676SJeff Bonwick */ 5696b24ab676SJeff Bonwick spa_freeze(spa); 5697e14bb325SJeff Bonwick 5698b24ab676SJeff Bonwick /* 5699b24ab676SJeff Bonwick * Run tests that generate log records but don't alter the pool config 5700b24ab676SJeff Bonwick * or depend on DSL sync tasks (snapshots, objset create/destroy, etc). 5701b24ab676SJeff Bonwick * We do a txg_wait_synced() after each iteration to force the txg 5702b24ab676SJeff Bonwick * to increase well beyond the last synced value in the uberblock. 5703b24ab676SJeff Bonwick * The ZIL should be OK with that. 5704b24ab676SJeff Bonwick */ 5705420dfc95SChris Siden while (ztest_random(10) != 0 && 5706420dfc95SChris Siden numloops++ < ztest_opts.zo_maxloops) { 5707b24ab676SJeff Bonwick ztest_dmu_write_parallel(zd, 0); 5708b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 5709b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5710b24ab676SJeff Bonwick } 5711e14bb325SJeff Bonwick 5712fa9e4066Sahrens /* 5713b24ab676SJeff Bonwick * Commit all of the changes we just generated. 5714fa9e4066Sahrens */ 57155002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5716b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5717fa9e4066Sahrens 5718b24ab676SJeff Bonwick /* 5719b24ab676SJeff Bonwick * Close our dataset and close the pool. 5720b24ab676SJeff Bonwick */ 5721420dfc95SChris Siden ztest_dataset_close(0); 5722e05725b1Sbonwick spa_close(spa, FTAG); 5723b24ab676SJeff Bonwick kernel_fini(); 5724e05725b1Sbonwick 5725b24ab676SJeff Bonwick /* 5726b24ab676SJeff Bonwick * Open and close the pool and dataset to induce log replay. 5727b24ab676SJeff Bonwick */ 5728b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5729b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5730ce636f8bSMatthew Ahrens ASSERT(spa_freeze_txg(spa) == UINT64_MAX); 5731b420f3adSRichard Lowe VERIFY3U(0, ==, ztest_dataset_open(0)); 5732420dfc95SChris Siden ztest_dataset_close(0); 5733dfbb9432SGeorge Wilson 5734dfbb9432SGeorge Wilson spa->spa_debug = B_TRUE; 5735dfbb9432SGeorge Wilson ztest_spa = spa; 5736dfbb9432SGeorge Wilson txg_wait_synced(spa_get_dsl(spa), 0); 5737dfbb9432SGeorge Wilson ztest_reguid(NULL, 0); 5738dfbb9432SGeorge Wilson 5739b24ab676SJeff Bonwick spa_close(spa, FTAG); 5740fa9e4066Sahrens kernel_fini(); 5741fa9e4066Sahrens } 5742fa9e4066Sahrens 5743fa9e4066Sahrens void 5744fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 5745fa9e4066Sahrens { 5746fa9e4066Sahrens hrtime_t s = t / NANOSEC; 5747fa9e4066Sahrens hrtime_t m = s / 60; 5748fa9e4066Sahrens hrtime_t h = m / 60; 5749fa9e4066Sahrens hrtime_t d = h / 24; 5750fa9e4066Sahrens 5751fa9e4066Sahrens s -= m * 60; 5752fa9e4066Sahrens m -= h * 60; 5753fa9e4066Sahrens h -= d * 24; 5754fa9e4066Sahrens 5755fa9e4066Sahrens timebuf[0] = '\0'; 5756fa9e4066Sahrens 5757fa9e4066Sahrens if (d) 5758fa9e4066Sahrens (void) sprintf(timebuf, 5759fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 5760fa9e4066Sahrens else if (h) 5761fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 5762fa9e4066Sahrens else if (m) 5763fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 5764fa9e4066Sahrens else 5765fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 5766fa9e4066Sahrens } 5767fa9e4066Sahrens 57681195e687SMark J Musante static nvlist_t * 57691195e687SMark J Musante make_random_props() 57701195e687SMark J Musante { 57711195e687SMark J Musante nvlist_t *props; 57721195e687SMark J Musante 57731195e687SMark J Musante VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 5774ad135b5dSChristopher Siden if (ztest_random(2) == 0) 5775ad135b5dSChristopher Siden return (props); 57761195e687SMark J Musante VERIFY(nvlist_add_uint64(props, "autoreplace", 1) == 0); 57771195e687SMark J Musante 57781195e687SMark J Musante return (props); 57791195e687SMark J Musante } 57801195e687SMark J Musante 5781fa9e4066Sahrens /* 5782fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 5783b24ab676SJeff Bonwick * Then test spa_freeze() functionality. 5784fa9e4066Sahrens */ 5785fa9e4066Sahrens static void 5786b24ab676SJeff Bonwick ztest_init(ztest_shared_t *zs) 5787fa9e4066Sahrens { 5788fa9e4066Sahrens spa_t *spa; 57891195e687SMark J Musante nvlist_t *nvroot, *props; 5790fa9e4066Sahrens 5791420dfc95SChris Siden VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0); 5792420dfc95SChris Siden VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0); 5793b24ab676SJeff Bonwick 5794fa9e4066Sahrens kernel_init(FREAD | FWRITE); 5795fa9e4066Sahrens 5796fa9e4066Sahrens /* 5797fa9e4066Sahrens * Create the storage pool. 5798fa9e4066Sahrens */ 5799420dfc95SChris Siden (void) spa_destroy(ztest_opts.zo_pool); 580088ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = 0; 58011195e687SMark J Musante zs->zs_splits = 0; 5802420dfc95SChris Siden zs->zs_mirrors = ztest_opts.zo_mirrors; 580325345e46SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, NULL, ztest_opts.zo_vdev_size, 0, 5804420dfc95SChris Siden 0, ztest_opts.zo_raidz, zs->zs_mirrors, 1); 58051195e687SMark J Musante props = make_random_props(); 5806ad135b5dSChristopher Siden for (int i = 0; i < SPA_FEATURES; i++) { 5807ad135b5dSChristopher Siden char buf[1024]; 5808ad135b5dSChristopher Siden (void) snprintf(buf, sizeof (buf), "feature@%s", 5809ad135b5dSChristopher Siden spa_feature_table[i].fi_uname); 5810b420f3adSRichard Lowe VERIFY3U(0, ==, nvlist_add_uint64(props, buf, 0)); 5811ad135b5dSChristopher Siden } 5812b420f3adSRichard Lowe VERIFY3U(0, ==, spa_create(ztest_opts.zo_pool, nvroot, props, NULL)); 5813fa9e4066Sahrens nvlist_free(nvroot); 5814fa9e4066Sahrens 5815b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5816420dfc95SChris Siden zs->zs_metaslab_sz = 5817420dfc95SChris Siden 1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift; 5818ad135b5dSChristopher Siden 5819fa9e4066Sahrens spa_close(spa, FTAG); 5820fa9e4066Sahrens 5821fa9e4066Sahrens kernel_fini(); 5822b24ab676SJeff Bonwick 5823420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5824420dfc95SChris Siden 5825420dfc95SChris Siden ztest_freeze(); 5826420dfc95SChris Siden 5827420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5828420dfc95SChris Siden 5829420dfc95SChris Siden (void) rwlock_destroy(&ztest_name_lock); 5830420dfc95SChris Siden (void) _mutex_destroy(&ztest_vdev_lock); 5831420dfc95SChris Siden } 5832420dfc95SChris Siden 5833420dfc95SChris Siden static void 5834741652b0SEtienne Dechamps setup_data_fd(void) 5835420dfc95SChris Siden { 5836741652b0SEtienne Dechamps static char ztest_name_data[] = "/tmp/ztest.data.XXXXXX"; 5837420dfc95SChris Siden 5838741652b0SEtienne Dechamps ztest_fd_data = mkstemp(ztest_name_data); 5839741652b0SEtienne Dechamps ASSERT3S(ztest_fd_data, >=, 0); 5840741652b0SEtienne Dechamps (void) unlink(ztest_name_data); 5841420dfc95SChris Siden } 5842420dfc95SChris Siden 5843741652b0SEtienne Dechamps 5844ad135b5dSChristopher Siden static int 5845ad135b5dSChristopher Siden shared_data_size(ztest_shared_hdr_t *hdr) 5846ad135b5dSChristopher Siden { 5847ad135b5dSChristopher Siden int size; 5848ad135b5dSChristopher Siden 5849ad135b5dSChristopher Siden size = hdr->zh_hdr_size; 5850ad135b5dSChristopher Siden size += hdr->zh_opts_size; 5851ad135b5dSChristopher Siden size += hdr->zh_size; 5852ad135b5dSChristopher Siden size += hdr->zh_stats_size * hdr->zh_stats_count; 5853ad135b5dSChristopher Siden size += hdr->zh_ds_size * hdr->zh_ds_count; 5854ad135b5dSChristopher Siden 5855ad135b5dSChristopher Siden return (size); 5856ad135b5dSChristopher Siden } 5857ad135b5dSChristopher Siden 5858420dfc95SChris Siden static void 5859420dfc95SChris Siden setup_hdr(void) 5860420dfc95SChris Siden { 5861ad135b5dSChristopher Siden int size; 5862420dfc95SChris Siden ztest_shared_hdr_t *hdr; 5863420dfc95SChris Siden 5864420dfc95SChris Siden hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()), 5865741652b0SEtienne Dechamps PROT_READ | PROT_WRITE, MAP_SHARED, ztest_fd_data, 0); 5866420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5867420dfc95SChris Siden 5868741652b0SEtienne Dechamps VERIFY3U(0, ==, ftruncate(ztest_fd_data, sizeof (ztest_shared_hdr_t))); 5869ad135b5dSChristopher Siden 5870420dfc95SChris Siden hdr->zh_hdr_size = sizeof (ztest_shared_hdr_t); 5871420dfc95SChris Siden hdr->zh_opts_size = sizeof (ztest_shared_opts_t); 5872420dfc95SChris Siden hdr->zh_size = sizeof (ztest_shared_t); 5873420dfc95SChris Siden hdr->zh_stats_size = sizeof (ztest_shared_callstate_t); 5874420dfc95SChris Siden hdr->zh_stats_count = ZTEST_FUNCS; 5875420dfc95SChris Siden hdr->zh_ds_size = sizeof (ztest_shared_ds_t); 5876420dfc95SChris Siden hdr->zh_ds_count = ztest_opts.zo_datasets; 5877420dfc95SChris Siden 5878ad135b5dSChristopher Siden size = shared_data_size(hdr); 5879741652b0SEtienne Dechamps VERIFY3U(0, ==, ftruncate(ztest_fd_data, size)); 5880ad135b5dSChristopher Siden 5881420dfc95SChris Siden (void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize())); 5882420dfc95SChris Siden } 5883420dfc95SChris Siden 5884420dfc95SChris Siden static void 5885420dfc95SChris Siden setup_data(void) 5886420dfc95SChris Siden { 5887420dfc95SChris Siden int size, offset; 5888420dfc95SChris Siden ztest_shared_hdr_t *hdr; 5889420dfc95SChris Siden uint8_t *buf; 5890420dfc95SChris Siden 5891420dfc95SChris Siden hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()), 5892741652b0SEtienne Dechamps PROT_READ, MAP_SHARED, ztest_fd_data, 0); 5893420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5894420dfc95SChris Siden 5895ad135b5dSChristopher Siden size = shared_data_size(hdr); 5896420dfc95SChris Siden 5897420dfc95SChris Siden (void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize())); 5898420dfc95SChris Siden hdr = ztest_shared_hdr = (void *)mmap(0, P2ROUNDUP(size, getpagesize()), 5899741652b0SEtienne Dechamps PROT_READ | PROT_WRITE, MAP_SHARED, ztest_fd_data, 0); 5900420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5901420dfc95SChris Siden buf = (uint8_t *)hdr; 5902420dfc95SChris Siden 5903420dfc95SChris Siden offset = hdr->zh_hdr_size; 5904420dfc95SChris Siden ztest_shared_opts = (void *)&buf[offset]; 5905420dfc95SChris Siden offset += hdr->zh_opts_size; 5906420dfc95SChris Siden ztest_shared = (void *)&buf[offset]; 5907420dfc95SChris Siden offset += hdr->zh_size; 5908420dfc95SChris Siden ztest_shared_callstate = (void *)&buf[offset]; 5909420dfc95SChris Siden offset += hdr->zh_stats_size * hdr->zh_stats_count; 5910420dfc95SChris Siden ztest_shared_ds = (void *)&buf[offset]; 5911420dfc95SChris Siden } 5912420dfc95SChris Siden 5913420dfc95SChris Siden static boolean_t 5914420dfc95SChris Siden exec_child(char *cmd, char *libpath, boolean_t ignorekill, int *statusp) 5915420dfc95SChris Siden { 5916420dfc95SChris Siden pid_t pid; 5917420dfc95SChris Siden int status; 5918741652b0SEtienne Dechamps char *cmdbuf = NULL; 5919420dfc95SChris Siden 5920420dfc95SChris Siden pid = fork(); 5921420dfc95SChris Siden 5922420dfc95SChris Siden if (cmd == NULL) { 5923741652b0SEtienne Dechamps cmdbuf = umem_alloc(MAXPATHLEN, UMEM_NOFAIL); 5924741652b0SEtienne Dechamps (void) strlcpy(cmdbuf, getexecname(), MAXPATHLEN); 5925420dfc95SChris Siden cmd = cmdbuf; 5926420dfc95SChris Siden } 5927b24ab676SJeff Bonwick 5928420dfc95SChris Siden if (pid == -1) 5929420dfc95SChris Siden fatal(1, "fork failed"); 5930b24ab676SJeff Bonwick 5931420dfc95SChris Siden if (pid == 0) { /* child */ 5932420dfc95SChris Siden char *emptyargv[2] = { cmd, NULL }; 5933741652b0SEtienne Dechamps char fd_data_str[12]; 593426cb54a9SGeorge Wilson 5935420dfc95SChris Siden struct rlimit rl = { 1024, 1024 }; 5936420dfc95SChris Siden (void) setrlimit(RLIMIT_NOFILE, &rl); 5937741652b0SEtienne Dechamps 5938741652b0SEtienne Dechamps (void) close(ztest_fd_rand); 5939741652b0SEtienne Dechamps VERIFY3U(11, >=, 5940741652b0SEtienne Dechamps snprintf(fd_data_str, 12, "%d", ztest_fd_data)); 5941741652b0SEtienne Dechamps VERIFY0(setenv("ZTEST_FD_DATA", fd_data_str, 1)); 5942741652b0SEtienne Dechamps 5943420dfc95SChris Siden (void) enable_extended_FILE_stdio(-1, -1); 5944420dfc95SChris Siden if (libpath != NULL) 5945420dfc95SChris Siden VERIFY(0 == setenv("LD_LIBRARY_PATH", libpath, 1)); 5946420dfc95SChris Siden (void) execv(cmd, emptyargv); 5947420dfc95SChris Siden ztest_dump_core = B_FALSE; 5948420dfc95SChris Siden fatal(B_TRUE, "exec failed: %s", cmd); 5949420dfc95SChris Siden } 5950420dfc95SChris Siden 5951741652b0SEtienne Dechamps if (cmdbuf != NULL) { 5952741652b0SEtienne Dechamps umem_free(cmdbuf, MAXPATHLEN); 5953741652b0SEtienne Dechamps cmd = NULL; 5954741652b0SEtienne Dechamps } 5955741652b0SEtienne Dechamps 5956420dfc95SChris Siden while (waitpid(pid, &status, 0) != pid) 5957420dfc95SChris Siden continue; 5958420dfc95SChris Siden if (statusp != NULL) 5959420dfc95SChris Siden *statusp = status; 5960420dfc95SChris Siden 5961420dfc95SChris Siden if (WIFEXITED(status)) { 5962420dfc95SChris Siden if (WEXITSTATUS(status) != 0) { 5963420dfc95SChris Siden (void) fprintf(stderr, "child exited with code %d\n", 5964420dfc95SChris Siden WEXITSTATUS(status)); 5965420dfc95SChris Siden exit(2); 5966420dfc95SChris Siden } 5967420dfc95SChris Siden return (B_FALSE); 5968420dfc95SChris Siden } else if (WIFSIGNALED(status)) { 5969420dfc95SChris Siden if (!ignorekill || WTERMSIG(status) != SIGKILL) { 5970420dfc95SChris Siden (void) fprintf(stderr, "child died with signal %d\n", 5971420dfc95SChris Siden WTERMSIG(status)); 5972420dfc95SChris Siden exit(3); 5973420dfc95SChris Siden } 5974420dfc95SChris Siden return (B_TRUE); 5975420dfc95SChris Siden } else { 5976420dfc95SChris Siden (void) fprintf(stderr, "something strange happened to child\n"); 5977420dfc95SChris Siden exit(4); 5978420dfc95SChris Siden /* NOTREACHED */ 5979420dfc95SChris Siden } 5980420dfc95SChris Siden } 5981420dfc95SChris Siden 5982420dfc95SChris Siden static void 5983420dfc95SChris Siden ztest_run_init(void) 5984420dfc95SChris Siden { 5985420dfc95SChris Siden ztest_shared_t *zs = ztest_shared; 5986420dfc95SChris Siden 5987420dfc95SChris Siden ASSERT(ztest_opts.zo_init != 0); 5988420dfc95SChris Siden 5989420dfc95SChris Siden /* 5990420dfc95SChris Siden * Blow away any existing copy of zpool.cache 5991420dfc95SChris Siden */ 5992420dfc95SChris Siden (void) remove(spa_config_path); 5993420dfc95SChris Siden 5994420dfc95SChris Siden /* 5995420dfc95SChris Siden * Create and initialize our storage pool. 5996420dfc95SChris Siden */ 5997420dfc95SChris Siden for (int i = 1; i <= ztest_opts.zo_init; i++) { 5998420dfc95SChris Siden bzero(zs, sizeof (ztest_shared_t)); 5999420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3 && 6000420dfc95SChris Siden ztest_opts.zo_init != 1) { 6001420dfc95SChris Siden (void) printf("ztest_init(), pass %d\n", i); 6002420dfc95SChris Siden } 6003420dfc95SChris Siden ztest_init(zs); 6004420dfc95SChris Siden } 6005fa9e4066Sahrens } 6006fa9e4066Sahrens 6007fa9e4066Sahrens int 6008fa9e4066Sahrens main(int argc, char **argv) 6009fa9e4066Sahrens { 6010fa9e4066Sahrens int kills = 0; 6011fa9e4066Sahrens int iters = 0; 6012420dfc95SChris Siden int older = 0; 6013420dfc95SChris Siden int newer = 0; 6014fa9e4066Sahrens ztest_shared_t *zs; 6015fa9e4066Sahrens ztest_info_t *zi; 6016420dfc95SChris Siden ztest_shared_callstate_t *zc; 6017fa9e4066Sahrens char timebuf[100]; 6018fa9e4066Sahrens char numbuf[6]; 6019b24ab676SJeff Bonwick spa_t *spa; 6020741652b0SEtienne Dechamps char *cmd; 6021420dfc95SChris Siden boolean_t hasalt; 6022741652b0SEtienne Dechamps char *fd_data_str = getenv("ZTEST_FD_DATA"); 6023fa9e4066Sahrens 6024fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 6025fa9e4066Sahrens 6026cd1c8b85SMatthew Ahrens dprintf_setup(&argc, argv); 6027cd1c8b85SMatthew Ahrens 6028741652b0SEtienne Dechamps ztest_fd_rand = open("/dev/urandom", O_RDONLY); 6029741652b0SEtienne Dechamps ASSERT3S(ztest_fd_rand, >=, 0); 6030741652b0SEtienne Dechamps 6031741652b0SEtienne Dechamps if (!fd_data_str) { 6032420dfc95SChris Siden process_options(argc, argv); 6033fa9e4066Sahrens 6034741652b0SEtienne Dechamps setup_data_fd(); 6035420dfc95SChris Siden setup_hdr(); 6036420dfc95SChris Siden setup_data(); 6037420dfc95SChris Siden bcopy(&ztest_opts, ztest_shared_opts, 6038420dfc95SChris Siden sizeof (*ztest_shared_opts)); 6039420dfc95SChris Siden } else { 6040741652b0SEtienne Dechamps ztest_fd_data = atoi(fd_data_str); 6041420dfc95SChris Siden setup_data(); 6042420dfc95SChris Siden bcopy(ztest_shared_opts, &ztest_opts, sizeof (ztest_opts)); 6043420dfc95SChris Siden } 6044420dfc95SChris Siden ASSERT3U(ztest_opts.zo_datasets, ==, ztest_shared_hdr->zh_ds_count); 6045fa9e4066Sahrens 6046f0ba89beSJeff Bonwick /* Override location of zpool.cache */ 6047741652b0SEtienne Dechamps VERIFY3U(asprintf((char **)&spa_config_path, "%s/zpool.cache", 6048741652b0SEtienne Dechamps ztest_opts.zo_dir), !=, -1); 6049f0ba89beSJeff Bonwick 6050420dfc95SChris Siden ztest_ds = umem_alloc(ztest_opts.zo_datasets * sizeof (ztest_ds_t), 6051420dfc95SChris Siden UMEM_NOFAIL); 6052420dfc95SChris Siden zs = ztest_shared; 6053ea8dc4b6Seschrock 6054741652b0SEtienne Dechamps if (fd_data_str) { 6055420dfc95SChris Siden metaslab_gang_bang = ztest_opts.zo_metaslab_gang_bang; 6056420dfc95SChris Siden metaslab_df_alloc_threshold = 6057420dfc95SChris Siden zs->zs_metaslab_df_alloc_threshold; 6058b24ab676SJeff Bonwick 6059420dfc95SChris Siden if (zs->zs_do_init) 6060420dfc95SChris Siden ztest_run_init(); 6061420dfc95SChris Siden else 6062420dfc95SChris Siden ztest_run(zs); 6063420dfc95SChris Siden exit(0); 6064420dfc95SChris Siden } 6065fa9e4066Sahrens 6066420dfc95SChris Siden hasalt = (strlen(ztest_opts.zo_alt_ztest) != 0); 6067420dfc95SChris Siden 6068420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6069fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 6070fa9e4066Sahrens " %llu seconds...\n", 6071420dfc95SChris Siden (u_longlong_t)ztest_opts.zo_vdevs, 6072420dfc95SChris Siden ztest_opts.zo_datasets, 6073420dfc95SChris Siden ztest_opts.zo_threads, 6074420dfc95SChris Siden (u_longlong_t)ztest_opts.zo_time); 6075fa9e4066Sahrens } 6076fa9e4066Sahrens 6077741652b0SEtienne Dechamps cmd = umem_alloc(MAXNAMELEN, UMEM_NOFAIL); 6078741652b0SEtienne Dechamps (void) strlcpy(cmd, getexecname(), MAXNAMELEN); 6079420dfc95SChris Siden 6080420dfc95SChris Siden zs->zs_do_init = B_TRUE; 6081420dfc95SChris Siden if (strlen(ztest_opts.zo_alt_ztest) != 0) { 6082420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6083420dfc95SChris Siden (void) printf("Executing older ztest for " 6084420dfc95SChris Siden "initialization: %s\n", ztest_opts.zo_alt_ztest); 6085420dfc95SChris Siden } 6086420dfc95SChris Siden VERIFY(!exec_child(ztest_opts.zo_alt_ztest, 6087420dfc95SChris Siden ztest_opts.zo_alt_libpath, B_FALSE, NULL)); 6088420dfc95SChris Siden } else { 6089420dfc95SChris Siden VERIFY(!exec_child(NULL, NULL, B_FALSE, NULL)); 6090fa9e4066Sahrens } 6091420dfc95SChris Siden zs->zs_do_init = B_FALSE; 6092fa9e4066Sahrens 6093b24ab676SJeff Bonwick zs->zs_proc_start = gethrtime(); 6094420dfc95SChris Siden zs->zs_proc_stop = zs->zs_proc_start + ztest_opts.zo_time * NANOSEC; 6095fa9e4066Sahrens 6096b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 6097420dfc95SChris Siden zi = &ztest_info[f]; 6098420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 6099b24ab676SJeff Bonwick if (zs->zs_proc_start + zi->zi_interval[0] > zs->zs_proc_stop) 6100420dfc95SChris Siden zc->zc_next = UINT64_MAX; 6101fa9e4066Sahrens else 6102420dfc95SChris Siden zc->zc_next = zs->zs_proc_start + 6103b24ab676SJeff Bonwick ztest_random(2 * zi->zi_interval[0] + 1); 6104fa9e4066Sahrens } 6105fa9e4066Sahrens 6106fa9e4066Sahrens /* 6107fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 6108fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 6109fa9e4066Sahrens * to verify that we never lose on-disk consistency. 6110fa9e4066Sahrens */ 6111b24ab676SJeff Bonwick while (gethrtime() < zs->zs_proc_stop) { 6112fa9e4066Sahrens int status; 6113420dfc95SChris Siden boolean_t killed; 6114fa9e4066Sahrens 6115fa9e4066Sahrens /* 6116fa9e4066Sahrens * Initialize the workload counters for each function. 6117fa9e4066Sahrens */ 6118b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 6119420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 6120420dfc95SChris Siden zc->zc_count = 0; 6121420dfc95SChris Siden zc->zc_time = 0; 6122fa9e4066Sahrens } 6123fa9e4066Sahrens 6124d6e555bdSGeorge Wilson /* Set the allocation switch size */ 6125420dfc95SChris Siden zs->zs_metaslab_df_alloc_threshold = 6126420dfc95SChris Siden ztest_random(zs->zs_metaslab_sz / 4) + 1; 6127fa9e4066Sahrens 6128420dfc95SChris Siden if (!hasalt || ztest_random(2) == 0) { 6129420dfc95SChris Siden if (hasalt && ztest_opts.zo_verbose >= 1) { 6130420dfc95SChris Siden (void) printf("Executing newer ztest: %s\n", 6131420dfc95SChris Siden cmd); 6132fa9e4066Sahrens } 6133420dfc95SChris Siden newer++; 6134420dfc95SChris Siden killed = exec_child(cmd, NULL, B_TRUE, &status); 61355ad82045Snd } else { 6136420dfc95SChris Siden if (hasalt && ztest_opts.zo_verbose >= 1) { 6137420dfc95SChris Siden (void) printf("Executing older ztest: %s\n", 6138420dfc95SChris Siden ztest_opts.zo_alt_ztest); 6139420dfc95SChris Siden } 6140420dfc95SChris Siden older++; 6141420dfc95SChris Siden killed = exec_child(ztest_opts.zo_alt_ztest, 6142420dfc95SChris Siden ztest_opts.zo_alt_libpath, B_TRUE, &status); 6143fa9e4066Sahrens } 6144fa9e4066Sahrens 6145420dfc95SChris Siden if (killed) 6146420dfc95SChris Siden kills++; 6147fa9e4066Sahrens iters++; 6148fa9e4066Sahrens 6149420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6150fa9e4066Sahrens hrtime_t now = gethrtime(); 6151fa9e4066Sahrens 6152b24ab676SJeff Bonwick now = MIN(now, zs->zs_proc_stop); 6153b24ab676SJeff Bonwick print_time(zs->zs_proc_stop - now, timebuf); 6154fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 6155fa9e4066Sahrens 6156fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 6157fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 6158fa9e4066Sahrens iters, 6159fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 6160fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 6161fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 6162fa9e4066Sahrens numbuf, 6163b24ab676SJeff Bonwick 100.0 * (now - zs->zs_proc_start) / 6164420dfc95SChris Siden (ztest_opts.zo_time * NANOSEC), timebuf); 6165fa9e4066Sahrens } 6166fa9e4066Sahrens 6167420dfc95SChris Siden if (ztest_opts.zo_verbose >= 2) { 6168fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 6169fa9e4066Sahrens (void) printf("%7s %9s %s\n", 6170fa9e4066Sahrens "Calls", "Time", "Function"); 6171fa9e4066Sahrens (void) printf("%7s %9s %s\n", 6172fa9e4066Sahrens "-----", "----", "--------"); 6173b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 6174fa9e4066Sahrens Dl_info dli; 6175fa9e4066Sahrens 6176420dfc95SChris Siden zi = &ztest_info[f]; 6177420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 6178420dfc95SChris Siden print_time(zc->zc_time, timebuf); 6179fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 6180fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 6181420dfc95SChris Siden (u_longlong_t)zc->zc_count, timebuf, 6182fa9e4066Sahrens dli.dli_sname); 6183fa9e4066Sahrens } 6184fa9e4066Sahrens (void) printf("\n"); 6185fa9e4066Sahrens } 6186fa9e4066Sahrens 6187fa9e4066Sahrens /* 6188b24ab676SJeff Bonwick * It's possible that we killed a child during a rename test, 6189b24ab676SJeff Bonwick * in which case we'll have a 'ztest_tmp' pool lying around 6190b24ab676SJeff Bonwick * instead of 'ztest'. Do a blind rename in case this happened. 6191fa9e4066Sahrens */ 6192b24ab676SJeff Bonwick kernel_init(FREAD); 6193420dfc95SChris Siden if (spa_open(ztest_opts.zo_pool, &spa, FTAG) == 0) { 6194b24ab676SJeff Bonwick spa_close(spa, FTAG); 6195b24ab676SJeff Bonwick } else { 6196b24ab676SJeff Bonwick char tmpname[MAXNAMELEN]; 6197b24ab676SJeff Bonwick kernel_fini(); 6198b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 6199b24ab676SJeff Bonwick (void) snprintf(tmpname, sizeof (tmpname), "%s_tmp", 6200420dfc95SChris Siden ztest_opts.zo_pool); 6201420dfc95SChris Siden (void) spa_rename(tmpname, ztest_opts.zo_pool); 6202b24ab676SJeff Bonwick } 6203fa9e4066Sahrens kernel_fini(); 6204fa9e4066Sahrens 6205420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 6206b24ab676SJeff Bonwick } 6207fa9e4066Sahrens 6208420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6209420dfc95SChris Siden if (hasalt) { 6210420dfc95SChris Siden (void) printf("%d runs of older ztest: %s\n", older, 6211420dfc95SChris Siden ztest_opts.zo_alt_ztest); 6212420dfc95SChris Siden (void) printf("%d runs of newer ztest: %s\n", newer, 6213420dfc95SChris Siden cmd); 6214420dfc95SChris Siden } 6215fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 6216fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 6217fa9e4066Sahrens } 6218fa9e4066Sahrens 6219741652b0SEtienne Dechamps umem_free(cmd, MAXNAMELEN); 6220741652b0SEtienne Dechamps 6221fa9e4066Sahrens return (0); 6222fa9e4066Sahrens } 6223