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. 25fa9e4066Sahrens */ 26fa9e4066Sahrens 27fa9e4066Sahrens /* 28fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 29fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 30fa9e4066Sahrens * 31fa9e4066Sahrens * The overall design of the ztest program is as follows: 32fa9e4066Sahrens * 33fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 34fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 35fa9e4066Sahrens * we have a simple routine to test that functionality. These 36fa9e4066Sahrens * individual routines do not have to do anything "stressful". 37fa9e4066Sahrens * 38fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 39fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 40fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 41fa9e4066Sahrens * 42fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 43fa9e4066Sahrens * verify that self-healing data really works. 44fa9e4066Sahrens * 45fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 46fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 47fa9e4066Sahrens * in which checksum they use and whether they're compressed. 48fa9e4066Sahrens * 49fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 50fa9e4066Sahrens * we run the entire test in a child of the main process. 51fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 52fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 53fa9e4066Sahrens * The parent then runs the test again, using the existing 54420dfc95SChris Siden * storage pool, as many times as desired. If backwards compatability 55420dfc95SChris Siden * testing is enabled ztest will sometimes run the "older" version 56420dfc95SChris Siden * of ztest after a SIGKILL. 57fa9e4066Sahrens * 58fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 59fa9e4066Sahrens * many of the functional tests record the transaction group number 60fa9e4066Sahrens * as part of their data. When reading old data, they verify that 61fa9e4066Sahrens * the transaction group number is less than the current, open txg. 62fa9e4066Sahrens * If you add a new test, please do this if applicable. 63fa9e4066Sahrens * 64fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 65fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 66fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 67fa9e4066Sahrens * 68fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 69fa9e4066Sahrens * 70fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 71fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 72fa9e4066Sahrens * 73420dfc95SChris Siden * Use the -k option to set the desired frequency of kills. 74420dfc95SChris Siden * 75420dfc95SChris Siden * When ztest invokes itself it passes all relevant information through a 76420dfc95SChris Siden * temporary file which is mmap-ed in the child process. This allows shared 77420dfc95SChris Siden * memory to survive the exec syscall. The ztest_shared_hdr_t struct is always 78420dfc95SChris Siden * stored at offset 0 of this file and contains information on the size and 79420dfc95SChris Siden * number of shared structures in the file. The information stored in this file 80420dfc95SChris Siden * must remain backwards compatible with older versions of ztest so that 81420dfc95SChris Siden * ztest can invoke them during backwards compatibility testing (-B). 82fa9e4066Sahrens */ 83fa9e4066Sahrens 84fa9e4066Sahrens #include <sys/zfs_context.h> 85fa9e4066Sahrens #include <sys/spa.h> 86fa9e4066Sahrens #include <sys/dmu.h> 87fa9e4066Sahrens #include <sys/txg.h> 882fdbea25SAleksandr Guzovskiy #include <sys/dbuf.h> 89fa9e4066Sahrens #include <sys/zap.h> 90fa9e4066Sahrens #include <sys/dmu_objset.h> 91fa9e4066Sahrens #include <sys/poll.h> 92fa9e4066Sahrens #include <sys/stat.h> 93fa9e4066Sahrens #include <sys/time.h> 94fa9e4066Sahrens #include <sys/wait.h> 95fa9e4066Sahrens #include <sys/mman.h> 96fa9e4066Sahrens #include <sys/resource.h> 97fa9e4066Sahrens #include <sys/zio.h> 98fa9e4066Sahrens #include <sys/zil.h> 99b24ab676SJeff Bonwick #include <sys/zil_impl.h> 100fa9e4066Sahrens #include <sys/vdev_impl.h> 101e14bb325SJeff Bonwick #include <sys/vdev_file.h> 102fa9e4066Sahrens #include <sys/spa_impl.h> 10388ecc943SGeorge Wilson #include <sys/metaslab_impl.h> 104fa9e4066Sahrens #include <sys/dsl_prop.h> 1054f5064b7SMark J Musante #include <sys/dsl_dataset.h> 1063f9d6ad7SLin Ling #include <sys/dsl_scan.h> 107cde58dbcSMatthew Ahrens #include <sys/zio_checksum.h> 108fa9e4066Sahrens #include <sys/refcount.h> 109ad135b5dSChristopher Siden #include <sys/zfeature.h> 110fa9e4066Sahrens #include <stdio.h> 111004388ebScasper #include <stdio_ext.h> 112fa9e4066Sahrens #include <stdlib.h> 113fa9e4066Sahrens #include <unistd.h> 114fa9e4066Sahrens #include <signal.h> 115fa9e4066Sahrens #include <umem.h> 116fa9e4066Sahrens #include <dlfcn.h> 117fa9e4066Sahrens #include <ctype.h> 118fa9e4066Sahrens #include <math.h> 119fa9e4066Sahrens #include <sys/fs/zfs.h> 120b24ab676SJeff Bonwick #include <libnvpair.h> 121fa9e4066Sahrens 122741652b0SEtienne Dechamps static int ztest_fd_data = -1; 123741652b0SEtienne Dechamps static int ztest_fd_rand = -1; 124420dfc95SChris Siden 125420dfc95SChris Siden typedef struct ztest_shared_hdr { 126420dfc95SChris Siden uint64_t zh_hdr_size; 127420dfc95SChris Siden uint64_t zh_opts_size; 128420dfc95SChris Siden uint64_t zh_size; 129420dfc95SChris Siden uint64_t zh_stats_size; 130420dfc95SChris Siden uint64_t zh_stats_count; 131420dfc95SChris Siden uint64_t zh_ds_size; 132420dfc95SChris Siden uint64_t zh_ds_count; 133420dfc95SChris Siden } ztest_shared_hdr_t; 134420dfc95SChris Siden 135420dfc95SChris Siden static ztest_shared_hdr_t *ztest_shared_hdr; 136420dfc95SChris Siden 137420dfc95SChris Siden typedef struct ztest_shared_opts { 138420dfc95SChris Siden char zo_pool[MAXNAMELEN]; 139420dfc95SChris Siden char zo_dir[MAXNAMELEN]; 140420dfc95SChris Siden char zo_alt_ztest[MAXNAMELEN]; 141420dfc95SChris Siden char zo_alt_libpath[MAXNAMELEN]; 142420dfc95SChris Siden uint64_t zo_vdevs; 143420dfc95SChris Siden uint64_t zo_vdevtime; 144420dfc95SChris Siden size_t zo_vdev_size; 145420dfc95SChris Siden int zo_ashift; 146420dfc95SChris Siden int zo_mirrors; 147420dfc95SChris Siden int zo_raidz; 148420dfc95SChris Siden int zo_raidz_parity; 149420dfc95SChris Siden int zo_datasets; 150420dfc95SChris Siden int zo_threads; 151420dfc95SChris Siden uint64_t zo_passtime; 152420dfc95SChris Siden uint64_t zo_killrate; 153420dfc95SChris Siden int zo_verbose; 154420dfc95SChris Siden int zo_init; 155420dfc95SChris Siden uint64_t zo_time; 156420dfc95SChris Siden uint64_t zo_maxloops; 157420dfc95SChris Siden uint64_t zo_metaslab_gang_bang; 158420dfc95SChris Siden } ztest_shared_opts_t; 159420dfc95SChris Siden 160420dfc95SChris Siden static const ztest_shared_opts_t ztest_opts_defaults = { 161420dfc95SChris Siden .zo_pool = { 'z', 't', 'e', 's', 't', '\0' }, 162420dfc95SChris Siden .zo_dir = { '/', 't', 'm', 'p', '\0' }, 163420dfc95SChris Siden .zo_alt_ztest = { '\0' }, 164420dfc95SChris Siden .zo_alt_libpath = { '\0' }, 165420dfc95SChris Siden .zo_vdevs = 5, 166420dfc95SChris Siden .zo_ashift = SPA_MINBLOCKSHIFT, 167420dfc95SChris Siden .zo_mirrors = 2, 168420dfc95SChris Siden .zo_raidz = 4, 169420dfc95SChris Siden .zo_raidz_parity = 1, 170420dfc95SChris Siden .zo_vdev_size = SPA_MINDEVSIZE, 171420dfc95SChris Siden .zo_datasets = 7, 172420dfc95SChris Siden .zo_threads = 23, 173420dfc95SChris Siden .zo_passtime = 60, /* 60 seconds */ 174420dfc95SChris Siden .zo_killrate = 70, /* 70% kill rate */ 175420dfc95SChris Siden .zo_verbose = 0, 176420dfc95SChris Siden .zo_init = 1, 177420dfc95SChris Siden .zo_time = 300, /* 5 minutes */ 178420dfc95SChris Siden .zo_maxloops = 50, /* max loops during spa_freeze() */ 179420dfc95SChris Siden .zo_metaslab_gang_bang = 32 << 10 180420dfc95SChris Siden }; 181420dfc95SChris Siden 182420dfc95SChris Siden extern uint64_t metaslab_gang_bang; 183420dfc95SChris Siden extern uint64_t metaslab_df_alloc_threshold; 184420dfc95SChris Siden 185420dfc95SChris Siden static ztest_shared_opts_t *ztest_shared_opts; 186420dfc95SChris Siden static ztest_shared_opts_t ztest_opts; 187420dfc95SChris Siden 188420dfc95SChris Siden typedef struct ztest_shared_ds { 189420dfc95SChris Siden uint64_t zd_seq; 190420dfc95SChris Siden } ztest_shared_ds_t; 191420dfc95SChris Siden 192420dfc95SChris Siden static ztest_shared_ds_t *ztest_shared_ds; 193420dfc95SChris Siden #define ZTEST_GET_SHARED_DS(d) (&ztest_shared_ds[d]) 194fa9e4066Sahrens 195b24ab676SJeff Bonwick #define BT_MAGIC 0x123456789abcdefULL 196420dfc95SChris Siden #define MAXFAULTS() \ 197420dfc95SChris Siden (MAX(zs->zs_mirrors, 1) * (ztest_opts.zo_raidz_parity + 1) - 1) 198b24ab676SJeff Bonwick 199b24ab676SJeff Bonwick enum ztest_io_type { 200b24ab676SJeff Bonwick ZTEST_IO_WRITE_TAG, 201b24ab676SJeff Bonwick ZTEST_IO_WRITE_PATTERN, 202b24ab676SJeff Bonwick ZTEST_IO_WRITE_ZEROES, 203b24ab676SJeff Bonwick ZTEST_IO_TRUNCATE, 204b24ab676SJeff Bonwick ZTEST_IO_SETATTR, 205*80901aeaSGeorge Wilson ZTEST_IO_REWRITE, 206b24ab676SJeff Bonwick ZTEST_IO_TYPES 207b24ab676SJeff Bonwick }; 208b24ab676SJeff Bonwick 209e05725b1Sbonwick typedef struct ztest_block_tag { 210b24ab676SJeff Bonwick uint64_t bt_magic; 211e05725b1Sbonwick uint64_t bt_objset; 212e05725b1Sbonwick uint64_t bt_object; 213e05725b1Sbonwick uint64_t bt_offset; 214b24ab676SJeff Bonwick uint64_t bt_gen; 215e05725b1Sbonwick uint64_t bt_txg; 216b24ab676SJeff Bonwick uint64_t bt_crtxg; 217e05725b1Sbonwick } ztest_block_tag_t; 218e05725b1Sbonwick 219b24ab676SJeff Bonwick typedef struct bufwad { 220b24ab676SJeff Bonwick uint64_t bw_index; 221b24ab676SJeff Bonwick uint64_t bw_txg; 222b24ab676SJeff Bonwick uint64_t bw_data; 223b24ab676SJeff Bonwick } bufwad_t; 224b24ab676SJeff Bonwick 225b24ab676SJeff Bonwick /* 226b24ab676SJeff Bonwick * XXX -- fix zfs range locks to be generic so we can use them here. 227b24ab676SJeff Bonwick */ 228b24ab676SJeff Bonwick typedef enum { 229b24ab676SJeff Bonwick RL_READER, 230b24ab676SJeff Bonwick RL_WRITER, 231b24ab676SJeff Bonwick RL_APPEND 232b24ab676SJeff Bonwick } rl_type_t; 233b24ab676SJeff Bonwick 234b24ab676SJeff Bonwick typedef struct rll { 235b24ab676SJeff Bonwick void *rll_writer; 236b24ab676SJeff Bonwick int rll_readers; 237b24ab676SJeff Bonwick mutex_t rll_lock; 238b24ab676SJeff Bonwick cond_t rll_cv; 239b24ab676SJeff Bonwick } rll_t; 240b24ab676SJeff Bonwick 241b24ab676SJeff Bonwick typedef struct rl { 242b24ab676SJeff Bonwick uint64_t rl_object; 243b24ab676SJeff Bonwick uint64_t rl_offset; 244b24ab676SJeff Bonwick uint64_t rl_size; 245b24ab676SJeff Bonwick rll_t *rl_lock; 246b24ab676SJeff Bonwick } rl_t; 247b24ab676SJeff Bonwick 248b24ab676SJeff Bonwick #define ZTEST_RANGE_LOCKS 64 249b24ab676SJeff Bonwick #define ZTEST_OBJECT_LOCKS 64 250b24ab676SJeff Bonwick 251b24ab676SJeff Bonwick /* 252b24ab676SJeff Bonwick * Object descriptor. Used as a template for object lookup/create/remove. 253b24ab676SJeff Bonwick */ 254b24ab676SJeff Bonwick typedef struct ztest_od { 255b24ab676SJeff Bonwick uint64_t od_dir; 256b24ab676SJeff Bonwick uint64_t od_object; 257b24ab676SJeff Bonwick dmu_object_type_t od_type; 258b24ab676SJeff Bonwick dmu_object_type_t od_crtype; 259b24ab676SJeff Bonwick uint64_t od_blocksize; 260b24ab676SJeff Bonwick uint64_t od_crblocksize; 261b24ab676SJeff Bonwick uint64_t od_gen; 262b24ab676SJeff Bonwick uint64_t od_crgen; 263b24ab676SJeff Bonwick char od_name[MAXNAMELEN]; 264b24ab676SJeff Bonwick } ztest_od_t; 265fa9e4066Sahrens 266b24ab676SJeff Bonwick /* 267b24ab676SJeff Bonwick * Per-dataset state. 268b24ab676SJeff Bonwick */ 269b24ab676SJeff Bonwick typedef struct ztest_ds { 270420dfc95SChris Siden ztest_shared_ds_t *zd_shared; 271b24ab676SJeff Bonwick objset_t *zd_os; 272c9ba2a43SEric Schrock rwlock_t zd_zilog_lock; 273b24ab676SJeff Bonwick zilog_t *zd_zilog; 274b24ab676SJeff Bonwick ztest_od_t *zd_od; /* debugging aid */ 275b24ab676SJeff Bonwick char zd_name[MAXNAMELEN]; 276b24ab676SJeff Bonwick mutex_t zd_dirobj_lock; 277b24ab676SJeff Bonwick rll_t zd_object_lock[ZTEST_OBJECT_LOCKS]; 278b24ab676SJeff Bonwick rll_t zd_range_lock[ZTEST_RANGE_LOCKS]; 279b24ab676SJeff Bonwick } ztest_ds_t; 280b24ab676SJeff Bonwick 281b24ab676SJeff Bonwick /* 282b24ab676SJeff Bonwick * Per-iteration state. 283b24ab676SJeff Bonwick */ 284b24ab676SJeff Bonwick typedef void ztest_func_t(ztest_ds_t *zd, uint64_t id); 285b24ab676SJeff Bonwick 286b24ab676SJeff Bonwick typedef struct ztest_info { 287b24ab676SJeff Bonwick ztest_func_t *zi_func; /* test function */ 288b24ab676SJeff Bonwick uint64_t zi_iters; /* iterations per execution */ 289b24ab676SJeff Bonwick uint64_t *zi_interval; /* execute every <interval> seconds */ 290b24ab676SJeff Bonwick } ztest_info_t; 291fa9e4066Sahrens 292420dfc95SChris Siden typedef struct ztest_shared_callstate { 293420dfc95SChris Siden uint64_t zc_count; /* per-pass count */ 294420dfc95SChris Siden uint64_t zc_time; /* per-pass time */ 295420dfc95SChris Siden uint64_t zc_next; /* next time to call this function */ 296420dfc95SChris Siden } ztest_shared_callstate_t; 297420dfc95SChris Siden 298420dfc95SChris Siden static ztest_shared_callstate_t *ztest_shared_callstate; 299420dfc95SChris Siden #define ZTEST_GET_SHARED_CALLSTATE(c) (&ztest_shared_callstate[c]) 300420dfc95SChris Siden 301fa9e4066Sahrens /* 302fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 303fa9e4066Sahrens */ 304fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 305fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 306fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 307d20e665cSRicardo M. Correia ztest_func_t ztest_dmu_commit_callbacks; 308fa9e4066Sahrens ztest_func_t ztest_zap; 309fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 310b24ab676SJeff Bonwick ztest_func_t ztest_zil_commit; 311c9ba2a43SEric Schrock ztest_func_t ztest_zil_remount; 312b24ab676SJeff Bonwick ztest_func_t ztest_dmu_read_write_zcopy; 313fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 314b24ab676SJeff Bonwick ztest_func_t ztest_dmu_prealloc; 315b24ab676SJeff Bonwick ztest_func_t ztest_fzap; 316fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 317b24ab676SJeff Bonwick ztest_func_t ztest_dsl_prop_get_set; 318b24ab676SJeff Bonwick ztest_func_t ztest_spa_prop_get_set; 319fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 320fa9e4066Sahrens ztest_func_t ztest_fault_inject; 321b24ab676SJeff Bonwick ztest_func_t ztest_ddt_repair; 322b24ab676SJeff Bonwick ztest_func_t ztest_dmu_snapshot_hold; 323e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 324b24ab676SJeff Bonwick ztest_func_t ztest_scrub; 325b24ab676SJeff Bonwick ztest_func_t ztest_dsl_dataset_promote_busy; 326fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 327fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 328fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 329e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 3301195e687SMark J Musante ztest_func_t ztest_split_pool; 331e9103aaeSGarrett D'Amore ztest_func_t ztest_reguid; 33225345e46SGeorge Wilson ztest_func_t ztest_spa_upgrade; 333fa9e4066Sahrens 334b24ab676SJeff Bonwick uint64_t zopt_always = 0ULL * NANOSEC; /* all the time */ 335b24ab676SJeff Bonwick uint64_t zopt_incessant = 1ULL * NANOSEC / 10; /* every 1/10 second */ 336b24ab676SJeff Bonwick uint64_t zopt_often = 1ULL * NANOSEC; /* every second */ 337b24ab676SJeff Bonwick uint64_t zopt_sometimes = 10ULL * NANOSEC; /* every 10 seconds */ 338b24ab676SJeff Bonwick uint64_t zopt_rarely = 60ULL * NANOSEC; /* every 60 seconds */ 339fa9e4066Sahrens 340fa9e4066Sahrens ztest_info_t ztest_info[] = { 341e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 342b24ab676SJeff Bonwick { ztest_dmu_write_parallel, 10, &zopt_always }, 343e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 344b24ab676SJeff Bonwick { ztest_dmu_commit_callbacks, 1, &zopt_always }, 345e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 346e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 3471195e687SMark J Musante { ztest_split_pool, 1, &zopt_always }, 348b24ab676SJeff Bonwick { ztest_zil_commit, 1, &zopt_incessant }, 349c9ba2a43SEric Schrock { ztest_zil_remount, 1, &zopt_sometimes }, 350b24ab676SJeff Bonwick { ztest_dmu_read_write_zcopy, 1, &zopt_often }, 351b24ab676SJeff Bonwick { ztest_dmu_objset_create_destroy, 1, &zopt_often }, 352b24ab676SJeff Bonwick { ztest_dsl_prop_get_set, 1, &zopt_often }, 353b24ab676SJeff Bonwick { ztest_spa_prop_get_set, 1, &zopt_sometimes }, 354b24ab676SJeff Bonwick #if 0 355b24ab676SJeff Bonwick { ztest_dmu_prealloc, 1, &zopt_sometimes }, 356b24ab676SJeff Bonwick #endif 357b24ab676SJeff Bonwick { ztest_fzap, 1, &zopt_sometimes }, 358b24ab676SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 359b24ab676SJeff Bonwick { ztest_spa_create_destroy, 1, &zopt_sometimes }, 360e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 361b24ab676SJeff Bonwick { ztest_ddt_repair, 1, &zopt_sometimes }, 3625c987a37SChris Kirby { ztest_dmu_snapshot_hold, 1, &zopt_sometimes }, 363e9103aaeSGarrett D'Amore { ztest_reguid, 1, &zopt_sometimes }, 364e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 365b24ab676SJeff Bonwick { ztest_scrub, 1, &zopt_rarely }, 36625345e46SGeorge Wilson { ztest_spa_upgrade, 1, &zopt_rarely }, 367b24ab676SJeff Bonwick { ztest_dsl_dataset_promote_busy, 1, &zopt_rarely }, 368dfbb9432SGeorge Wilson { ztest_vdev_attach_detach, 1, &zopt_rarely }, 369e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 370420dfc95SChris Siden { ztest_vdev_add_remove, 1, 371420dfc95SChris Siden &ztest_opts.zo_vdevtime }, 372420dfc95SChris Siden { ztest_vdev_aux_add_remove, 1, 373420dfc95SChris Siden &ztest_opts.zo_vdevtime }, 374fa9e4066Sahrens }; 375fa9e4066Sahrens 376fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 377fa9e4066Sahrens 378d20e665cSRicardo M. Correia /* 379d20e665cSRicardo M. Correia * The following struct is used to hold a list of uncalled commit callbacks. 380d20e665cSRicardo M. Correia * The callbacks are ordered by txg number. 381d20e665cSRicardo M. Correia */ 382d20e665cSRicardo M. Correia typedef struct ztest_cb_list { 383d20e665cSRicardo M. Correia mutex_t zcl_callbacks_lock; 384d20e665cSRicardo M. Correia list_t zcl_callbacks; 385d20e665cSRicardo M. Correia } ztest_cb_list_t; 386d20e665cSRicardo M. Correia 387fa9e4066Sahrens /* 388fa9e4066Sahrens * Stuff we need to share writably between parent and child. 389fa9e4066Sahrens */ 390fa9e4066Sahrens typedef struct ztest_shared { 391420dfc95SChris Siden boolean_t zs_do_init; 392b24ab676SJeff Bonwick hrtime_t zs_proc_start; 393b24ab676SJeff Bonwick hrtime_t zs_proc_stop; 394b24ab676SJeff Bonwick hrtime_t zs_thread_start; 395b24ab676SJeff Bonwick hrtime_t zs_thread_stop; 396b24ab676SJeff Bonwick hrtime_t zs_thread_kill; 397b24ab676SJeff Bonwick uint64_t zs_enospc_count; 39888ecc943SGeorge Wilson uint64_t zs_vdev_next_leaf; 399e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 400fa9e4066Sahrens uint64_t zs_alloc; 401fa9e4066Sahrens uint64_t zs_space; 4021195e687SMark J Musante uint64_t zs_splits; 4031195e687SMark J Musante uint64_t zs_mirrors; 404420dfc95SChris Siden uint64_t zs_metaslab_sz; 405420dfc95SChris Siden uint64_t zs_metaslab_df_alloc_threshold; 406420dfc95SChris Siden uint64_t zs_guid; 407fa9e4066Sahrens } ztest_shared_t; 408fa9e4066Sahrens 409b24ab676SJeff Bonwick #define ID_PARALLEL -1ULL 410b24ab676SJeff Bonwick 411fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 412e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 413b24ab676SJeff Bonwick ztest_shared_t *ztest_shared; 414fa9e4066Sahrens 415420dfc95SChris Siden static spa_t *ztest_spa = NULL; 416420dfc95SChris Siden static ztest_ds_t *ztest_ds; 417420dfc95SChris Siden 418420dfc95SChris Siden static mutex_t ztest_vdev_lock; 419dfbb9432SGeorge Wilson 420dfbb9432SGeorge Wilson /* 421dfbb9432SGeorge Wilson * The ztest_name_lock protects the pool and dataset namespace used by 422dfbb9432SGeorge Wilson * the individual tests. To modify the namespace, consumers must grab 423dfbb9432SGeorge Wilson * this lock as writer. Grabbing the lock as reader will ensure that the 424dfbb9432SGeorge Wilson * namespace does not change while the lock is held. 425dfbb9432SGeorge Wilson */ 426420dfc95SChris Siden static rwlock_t ztest_name_lock; 427fa9e4066Sahrens 428420dfc95SChris Siden static boolean_t ztest_dump_core = B_TRUE; 429e14bb325SJeff Bonwick static boolean_t ztest_exiting; 4300a4e9518Sgw 431d20e665cSRicardo M. Correia /* Global commit callback list */ 432d20e665cSRicardo M. Correia static ztest_cb_list_t zcl; 433d20e665cSRicardo M. Correia 434b24ab676SJeff Bonwick enum ztest_object { 435b24ab676SJeff Bonwick ZTEST_META_DNODE = 0, 436b24ab676SJeff Bonwick ZTEST_DIROBJ, 437b24ab676SJeff Bonwick ZTEST_OBJECTS 438b24ab676SJeff Bonwick }; 439fa9e4066Sahrens 4401ce825d8Sraf static void usage(boolean_t) __NORETURN; 441f1b4288bSvb 442fa9e4066Sahrens /* 443fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 444fa9e4066Sahrens * debugging facilities. 445fa9e4066Sahrens */ 446fa9e4066Sahrens const char * 447fa9e4066Sahrens _umem_debug_init() 448fa9e4066Sahrens { 449fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 450fa9e4066Sahrens } 451fa9e4066Sahrens 452fa9e4066Sahrens const char * 453fa9e4066Sahrens _umem_logging_init(void) 454fa9e4066Sahrens { 455fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 456fa9e4066Sahrens } 457fa9e4066Sahrens 458fa9e4066Sahrens #define FATAL_MSG_SZ 1024 459fa9e4066Sahrens 460fa9e4066Sahrens char *fatal_msg; 461fa9e4066Sahrens 462fa9e4066Sahrens static void 463fa9e4066Sahrens fatal(int do_perror, char *message, ...) 464fa9e4066Sahrens { 465fa9e4066Sahrens va_list args; 466fa9e4066Sahrens int save_errno = errno; 467fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 468fa9e4066Sahrens 469fa9e4066Sahrens (void) fflush(stdout); 470fa9e4066Sahrens 471fa9e4066Sahrens va_start(args, message); 472fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 473fa9e4066Sahrens /* LINTED */ 474fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 475fa9e4066Sahrens va_end(args); 476fa9e4066Sahrens if (do_perror) { 477fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 478fa9e4066Sahrens ": %s", strerror(save_errno)); 479fa9e4066Sahrens } 480fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 481fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 482fa9e4066Sahrens if (ztest_dump_core) 483fa9e4066Sahrens abort(); 484fa9e4066Sahrens exit(3); 485fa9e4066Sahrens } 486fa9e4066Sahrens 487fa9e4066Sahrens static int 488fa9e4066Sahrens str2shift(const char *buf) 489fa9e4066Sahrens { 490fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 491fa9e4066Sahrens int i; 492fa9e4066Sahrens 493fa9e4066Sahrens if (buf[0] == '\0') 494fa9e4066Sahrens return (0); 495fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 496fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 497fa9e4066Sahrens break; 498fa9e4066Sahrens } 499f1b4288bSvb if (i == strlen(ends)) { 500f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 501f1b4288bSvb buf); 502f1b4288bSvb usage(B_FALSE); 503f1b4288bSvb } 504fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 505fa9e4066Sahrens return (10*i); 506fa9e4066Sahrens } 507f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 508f1b4288bSvb usage(B_FALSE); 509f1b4288bSvb /* NOTREACHED */ 510fa9e4066Sahrens } 511fa9e4066Sahrens 512fa9e4066Sahrens static uint64_t 513fa9e4066Sahrens nicenumtoull(const char *buf) 514fa9e4066Sahrens { 515fa9e4066Sahrens char *end; 516fa9e4066Sahrens uint64_t val; 517fa9e4066Sahrens 518fa9e4066Sahrens val = strtoull(buf, &end, 0); 519fa9e4066Sahrens if (end == buf) { 520f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 521f1b4288bSvb usage(B_FALSE); 522fa9e4066Sahrens } else if (end[0] == '.') { 523fa9e4066Sahrens double fval = strtod(buf, &end); 524fa9e4066Sahrens fval *= pow(2, str2shift(end)); 525f1b4288bSvb if (fval > UINT64_MAX) { 526f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 527f1b4288bSvb buf); 528f1b4288bSvb usage(B_FALSE); 529f1b4288bSvb } 530fa9e4066Sahrens val = (uint64_t)fval; 531fa9e4066Sahrens } else { 532fa9e4066Sahrens int shift = str2shift(end); 533f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 534f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 535f1b4288bSvb buf); 536f1b4288bSvb usage(B_FALSE); 537f1b4288bSvb } 538fa9e4066Sahrens val <<= shift; 539fa9e4066Sahrens } 540fa9e4066Sahrens return (val); 541fa9e4066Sahrens } 542fa9e4066Sahrens 543fa9e4066Sahrens static void 544f1b4288bSvb usage(boolean_t requested) 545fa9e4066Sahrens { 546420dfc95SChris Siden const ztest_shared_opts_t *zo = &ztest_opts_defaults; 547420dfc95SChris Siden 548fa9e4066Sahrens char nice_vdev_size[10]; 549fa9e4066Sahrens char nice_gang_bang[10]; 550f1b4288bSvb FILE *fp = requested ? stdout : stderr; 551fa9e4066Sahrens 552420dfc95SChris Siden nicenum(zo->zo_vdev_size, nice_vdev_size); 553420dfc95SChris Siden nicenum(zo->zo_metaslab_gang_bang, nice_gang_bang); 554fa9e4066Sahrens 555f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 556fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 557fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 5582215e990SMark J Musante "\t[-a alignment_shift (default: %d)] use 0 for random\n" 559fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 560fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 56199653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 562fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 563fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 564fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 5652215e990SMark J Musante "\t[-i init_count (default: %d)] initialize pool i times\n" 5662215e990SMark J Musante "\t[-k kill_percentage (default: %llu%%)]\n" 567fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 5682215e990SMark J Musante "\t[-f dir (default: %s)] file directory for vdev files\n" 5692215e990SMark J Musante "\t[-V] verbose (use multiple times for ever more blather)\n" 5702215e990SMark J Musante "\t[-E] use existing pool instead of creating new one\n" 5712215e990SMark J Musante "\t[-T time (default: %llu sec)] total run time\n" 5722215e990SMark J Musante "\t[-F freezeloops (default: %llu)] max loops in spa_freeze()\n" 5732215e990SMark J Musante "\t[-P passtime (default: %llu sec)] time per pass\n" 574420dfc95SChris Siden "\t[-B alt_ztest (default: <none>)] alternate ztest path\n" 575f1b4288bSvb "\t[-h] (print help)\n" 576fa9e4066Sahrens "", 577420dfc95SChris Siden zo->zo_pool, 578420dfc95SChris Siden (u_longlong_t)zo->zo_vdevs, /* -v */ 5790a4e9518Sgw nice_vdev_size, /* -s */ 580420dfc95SChris Siden zo->zo_ashift, /* -a */ 581420dfc95SChris Siden zo->zo_mirrors, /* -m */ 582420dfc95SChris Siden zo->zo_raidz, /* -r */ 583420dfc95SChris Siden zo->zo_raidz_parity, /* -R */ 584420dfc95SChris Siden zo->zo_datasets, /* -d */ 585420dfc95SChris Siden zo->zo_threads, /* -t */ 5860a4e9518Sgw nice_gang_bang, /* -g */ 587420dfc95SChris Siden zo->zo_init, /* -i */ 588420dfc95SChris Siden (u_longlong_t)zo->zo_killrate, /* -k */ 589420dfc95SChris Siden zo->zo_pool, /* -p */ 590420dfc95SChris Siden zo->zo_dir, /* -f */ 591420dfc95SChris Siden (u_longlong_t)zo->zo_time, /* -T */ 592420dfc95SChris Siden (u_longlong_t)zo->zo_maxloops, /* -F */ 593420dfc95SChris Siden (u_longlong_t)zo->zo_passtime); 594f1b4288bSvb exit(requested ? 0 : 1); 595fa9e4066Sahrens } 596fa9e4066Sahrens 597fa9e4066Sahrens static void 598fa9e4066Sahrens process_options(int argc, char **argv) 599fa9e4066Sahrens { 600420dfc95SChris Siden char *path; 601420dfc95SChris Siden ztest_shared_opts_t *zo = &ztest_opts; 602420dfc95SChris Siden 603fa9e4066Sahrens int opt; 604fa9e4066Sahrens uint64_t value; 605420dfc95SChris Siden char altdir[MAXNAMELEN] = { 0 }; 606fa9e4066Sahrens 607420dfc95SChris Siden bcopy(&ztest_opts_defaults, zo, sizeof (*zo)); 608fa9e4066Sahrens 609fa9e4066Sahrens while ((opt = getopt(argc, argv, 610420dfc95SChris Siden "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:hF:B:")) != EOF) { 611fa9e4066Sahrens value = 0; 612fa9e4066Sahrens switch (opt) { 6133d7072f8Seschrock case 'v': 6143d7072f8Seschrock case 's': 6153d7072f8Seschrock case 'a': 6163d7072f8Seschrock case 'm': 6173d7072f8Seschrock case 'r': 6183d7072f8Seschrock case 'R': 6193d7072f8Seschrock case 'd': 6203d7072f8Seschrock case 't': 6213d7072f8Seschrock case 'g': 6223d7072f8Seschrock case 'i': 6233d7072f8Seschrock case 'k': 6243d7072f8Seschrock case 'T': 6253d7072f8Seschrock case 'P': 6262215e990SMark J Musante case 'F': 627fa9e4066Sahrens value = nicenumtoull(optarg); 628fa9e4066Sahrens } 629fa9e4066Sahrens switch (opt) { 6303d7072f8Seschrock case 'v': 631420dfc95SChris Siden zo->zo_vdevs = value; 632fa9e4066Sahrens break; 6333d7072f8Seschrock case 's': 634420dfc95SChris Siden zo->zo_vdev_size = MAX(SPA_MINDEVSIZE, value); 635fa9e4066Sahrens break; 6363d7072f8Seschrock case 'a': 637420dfc95SChris Siden zo->zo_ashift = value; 638ecc2d604Sbonwick break; 6393d7072f8Seschrock case 'm': 640420dfc95SChris Siden zo->zo_mirrors = value; 641fa9e4066Sahrens break; 6423d7072f8Seschrock case 'r': 643420dfc95SChris Siden zo->zo_raidz = MAX(1, value); 644fa9e4066Sahrens break; 6453d7072f8Seschrock case 'R': 646420dfc95SChris Siden zo->zo_raidz_parity = MIN(MAX(value, 1), 3); 64799653d4eSeschrock break; 6483d7072f8Seschrock case 'd': 649420dfc95SChris Siden zo->zo_datasets = MAX(1, value); 650fa9e4066Sahrens break; 6513d7072f8Seschrock case 't': 652420dfc95SChris Siden zo->zo_threads = MAX(1, value); 653fa9e4066Sahrens break; 6543d7072f8Seschrock case 'g': 655420dfc95SChris Siden zo->zo_metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, 656420dfc95SChris Siden value); 657fa9e4066Sahrens break; 6583d7072f8Seschrock case 'i': 659420dfc95SChris Siden zo->zo_init = value; 660fa9e4066Sahrens break; 6613d7072f8Seschrock case 'k': 662420dfc95SChris Siden zo->zo_killrate = value; 663fa9e4066Sahrens break; 6643d7072f8Seschrock case 'p': 665420dfc95SChris Siden (void) strlcpy(zo->zo_pool, optarg, 666420dfc95SChris Siden sizeof (zo->zo_pool)); 667fa9e4066Sahrens break; 6683d7072f8Seschrock case 'f': 669420dfc95SChris Siden path = realpath(optarg, NULL); 670420dfc95SChris Siden if (path == NULL) { 671420dfc95SChris Siden (void) fprintf(stderr, "error: %s: %s\n", 672420dfc95SChris Siden optarg, strerror(errno)); 673420dfc95SChris Siden usage(B_FALSE); 674420dfc95SChris Siden } else { 675420dfc95SChris Siden (void) strlcpy(zo->zo_dir, path, 676420dfc95SChris Siden sizeof (zo->zo_dir)); 677420dfc95SChris Siden } 678fa9e4066Sahrens break; 6793d7072f8Seschrock case 'V': 680420dfc95SChris Siden zo->zo_verbose++; 681fa9e4066Sahrens break; 6823d7072f8Seschrock case 'E': 683420dfc95SChris Siden zo->zo_init = 0; 684fa9e4066Sahrens break; 6853d7072f8Seschrock case 'T': 686420dfc95SChris Siden zo->zo_time = value; 687fa9e4066Sahrens break; 6883d7072f8Seschrock case 'P': 689420dfc95SChris Siden zo->zo_passtime = MAX(1, value); 690fa9e4066Sahrens break; 6912215e990SMark J Musante case 'F': 692420dfc95SChris Siden zo->zo_maxloops = MAX(1, value); 693420dfc95SChris Siden break; 694420dfc95SChris Siden case 'B': 695420dfc95SChris Siden (void) strlcpy(altdir, optarg, sizeof (altdir)); 6962215e990SMark J Musante break; 6973d7072f8Seschrock case 'h': 698f1b4288bSvb usage(B_TRUE); 699f1b4288bSvb break; 7003d7072f8Seschrock case '?': 7013d7072f8Seschrock default: 702f1b4288bSvb usage(B_FALSE); 703fa9e4066Sahrens break; 704fa9e4066Sahrens } 705fa9e4066Sahrens } 706fa9e4066Sahrens 707420dfc95SChris Siden zo->zo_raidz_parity = MIN(zo->zo_raidz_parity, zo->zo_raidz - 1); 70899653d4eSeschrock 709420dfc95SChris Siden zo->zo_vdevtime = 710420dfc95SChris Siden (zo->zo_vdevs > 0 ? zo->zo_time * NANOSEC / zo->zo_vdevs : 711b24ab676SJeff Bonwick UINT64_MAX >> 2); 712420dfc95SChris Siden 713420dfc95SChris Siden if (strlen(altdir) > 0) { 714741652b0SEtienne Dechamps char *cmd; 715741652b0SEtienne Dechamps char *realaltdir; 716420dfc95SChris Siden char *bin; 717420dfc95SChris Siden char *ztest; 718420dfc95SChris Siden char *isa; 719420dfc95SChris Siden int isalen; 720420dfc95SChris Siden 721741652b0SEtienne Dechamps cmd = umem_alloc(MAXPATHLEN, UMEM_NOFAIL); 722741652b0SEtienne Dechamps realaltdir = umem_alloc(MAXPATHLEN, UMEM_NOFAIL); 723741652b0SEtienne Dechamps 724741652b0SEtienne Dechamps VERIFY(NULL != realpath(getexecname(), cmd)); 725420dfc95SChris Siden if (0 != access(altdir, F_OK)) { 726420dfc95SChris Siden ztest_dump_core = B_FALSE; 727420dfc95SChris Siden fatal(B_TRUE, "invalid alternate ztest path: %s", 728420dfc95SChris Siden altdir); 729420dfc95SChris Siden } 730420dfc95SChris Siden VERIFY(NULL != realpath(altdir, realaltdir)); 731420dfc95SChris Siden 732420dfc95SChris Siden /* 733420dfc95SChris Siden * 'cmd' should be of the form "<anything>/usr/bin/<isa>/ztest". 734420dfc95SChris Siden * We want to extract <isa> to determine if we should use 735420dfc95SChris Siden * 32 or 64 bit binaries. 736420dfc95SChris Siden */ 737420dfc95SChris Siden bin = strstr(cmd, "/usr/bin/"); 738420dfc95SChris Siden ztest = strstr(bin, "/ztest"); 739420dfc95SChris Siden isa = bin + 9; 740420dfc95SChris Siden isalen = ztest - isa; 741420dfc95SChris Siden (void) snprintf(zo->zo_alt_ztest, sizeof (zo->zo_alt_ztest), 742420dfc95SChris Siden "%s/usr/bin/%.*s/ztest", realaltdir, isalen, isa); 743420dfc95SChris Siden (void) snprintf(zo->zo_alt_libpath, sizeof (zo->zo_alt_libpath), 744420dfc95SChris Siden "%s/usr/lib/%.*s", realaltdir, isalen, isa); 745420dfc95SChris Siden 746420dfc95SChris Siden if (0 != access(zo->zo_alt_ztest, X_OK)) { 747420dfc95SChris Siden ztest_dump_core = B_FALSE; 748420dfc95SChris Siden fatal(B_TRUE, "invalid alternate ztest: %s", 749420dfc95SChris Siden zo->zo_alt_ztest); 750420dfc95SChris Siden } else if (0 != access(zo->zo_alt_libpath, X_OK)) { 751420dfc95SChris Siden ztest_dump_core = B_FALSE; 752420dfc95SChris Siden fatal(B_TRUE, "invalid alternate lib directory %s", 753420dfc95SChris Siden zo->zo_alt_libpath); 754420dfc95SChris Siden } 755741652b0SEtienne Dechamps 756741652b0SEtienne Dechamps umem_free(cmd, MAXPATHLEN); 757741652b0SEtienne Dechamps umem_free(realaltdir, MAXPATHLEN); 758420dfc95SChris Siden } 759fa9e4066Sahrens } 760fa9e4066Sahrens 761b24ab676SJeff Bonwick static void 762b24ab676SJeff Bonwick ztest_kill(ztest_shared_t *zs) 763b24ab676SJeff Bonwick { 764420dfc95SChris Siden zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(ztest_spa)); 765420dfc95SChris Siden zs->zs_space = metaslab_class_get_space(spa_normal_class(ztest_spa)); 766b24ab676SJeff Bonwick (void) kill(getpid(), SIGKILL); 767b24ab676SJeff Bonwick } 768b24ab676SJeff Bonwick 769b24ab676SJeff Bonwick static uint64_t 770b24ab676SJeff Bonwick ztest_random(uint64_t range) 771b24ab676SJeff Bonwick { 772b24ab676SJeff Bonwick uint64_t r; 773b24ab676SJeff Bonwick 774741652b0SEtienne Dechamps ASSERT3S(ztest_fd_rand, >=, 0); 775741652b0SEtienne Dechamps 776b24ab676SJeff Bonwick if (range == 0) 777b24ab676SJeff Bonwick return (0); 778b24ab676SJeff Bonwick 779741652b0SEtienne Dechamps if (read(ztest_fd_rand, &r, sizeof (r)) != sizeof (r)) 780b24ab676SJeff Bonwick fatal(1, "short read from /dev/urandom"); 781b24ab676SJeff Bonwick 782b24ab676SJeff Bonwick return (r % range); 783b24ab676SJeff Bonwick } 784b24ab676SJeff Bonwick 785b24ab676SJeff Bonwick /* ARGSUSED */ 786b24ab676SJeff Bonwick static void 787b24ab676SJeff Bonwick ztest_record_enospc(const char *s) 788b24ab676SJeff Bonwick { 789b24ab676SJeff Bonwick ztest_shared->zs_enospc_count++; 790b24ab676SJeff Bonwick } 791b24ab676SJeff Bonwick 792ecc2d604Sbonwick static uint64_t 793ecc2d604Sbonwick ztest_get_ashift(void) 794ecc2d604Sbonwick { 795420dfc95SChris Siden if (ztest_opts.zo_ashift == 0) 796ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 797420dfc95SChris Siden return (ztest_opts.zo_ashift); 798ecc2d604Sbonwick } 799ecc2d604Sbonwick 800fa9e4066Sahrens static nvlist_t * 80125345e46SGeorge Wilson make_vdev_file(char *path, char *aux, char *pool, size_t size, uint64_t ashift) 802fa9e4066Sahrens { 803e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 804fa9e4066Sahrens uint64_t vdev; 805fa9e4066Sahrens nvlist_t *file; 806fa9e4066Sahrens 807e14bb325SJeff Bonwick if (ashift == 0) 808e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 809e14bb325SJeff Bonwick 810e14bb325SJeff Bonwick if (path == NULL) { 811e14bb325SJeff Bonwick path = pathbuf; 812fa9e4066Sahrens 813e14bb325SJeff Bonwick if (aux != NULL) { 814e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 815420dfc95SChris Siden (void) snprintf(path, sizeof (pathbuf), 816420dfc95SChris Siden ztest_aux_template, ztest_opts.zo_dir, 81725345e46SGeorge Wilson pool == NULL ? ztest_opts.zo_pool : pool, 81825345e46SGeorge Wilson aux, vdev); 819e14bb325SJeff Bonwick } else { 82088ecc943SGeorge Wilson vdev = ztest_shared->zs_vdev_next_leaf++; 821420dfc95SChris Siden (void) snprintf(path, sizeof (pathbuf), 822420dfc95SChris Siden ztest_dev_template, ztest_opts.zo_dir, 82325345e46SGeorge Wilson pool == NULL ? ztest_opts.zo_pool : pool, vdev); 824e14bb325SJeff Bonwick } 825e14bb325SJeff Bonwick } 826e14bb325SJeff Bonwick 827e14bb325SJeff Bonwick if (size != 0) { 828e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 829fa9e4066Sahrens if (fd == -1) 830e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 831fa9e4066Sahrens if (ftruncate(fd, size) != 0) 832e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 833fa9e4066Sahrens (void) close(fd); 834fa9e4066Sahrens } 835fa9e4066Sahrens 836fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 837fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 838e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 839ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 840fa9e4066Sahrens 841fa9e4066Sahrens return (file); 842fa9e4066Sahrens } 843fa9e4066Sahrens 844fa9e4066Sahrens static nvlist_t * 84525345e46SGeorge Wilson make_vdev_raidz(char *path, char *aux, char *pool, size_t size, 84625345e46SGeorge Wilson uint64_t ashift, int r) 847fa9e4066Sahrens { 848fa9e4066Sahrens nvlist_t *raidz, **child; 849fa9e4066Sahrens int c; 850fa9e4066Sahrens 851fa9e4066Sahrens if (r < 2) 85225345e46SGeorge Wilson return (make_vdev_file(path, aux, pool, size, ashift)); 853fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 854fa9e4066Sahrens 855fa9e4066Sahrens for (c = 0; c < r; c++) 85625345e46SGeorge Wilson child[c] = make_vdev_file(path, aux, pool, size, ashift); 857fa9e4066Sahrens 858fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 859fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 860fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 86199653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 862420dfc95SChris Siden ztest_opts.zo_raidz_parity) == 0); 863fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 864fa9e4066Sahrens child, r) == 0); 865fa9e4066Sahrens 866fa9e4066Sahrens for (c = 0; c < r; c++) 867fa9e4066Sahrens nvlist_free(child[c]); 868fa9e4066Sahrens 869fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 870fa9e4066Sahrens 871fa9e4066Sahrens return (raidz); 872fa9e4066Sahrens } 873fa9e4066Sahrens 874fa9e4066Sahrens static nvlist_t * 87525345e46SGeorge Wilson make_vdev_mirror(char *path, char *aux, char *pool, size_t size, 87625345e46SGeorge Wilson uint64_t ashift, int r, int m) 877fa9e4066Sahrens { 878fa9e4066Sahrens nvlist_t *mirror, **child; 879fa9e4066Sahrens int c; 880fa9e4066Sahrens 881fa9e4066Sahrens if (m < 1) 88225345e46SGeorge Wilson return (make_vdev_raidz(path, aux, pool, size, ashift, r)); 883fa9e4066Sahrens 884fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 885fa9e4066Sahrens 886fa9e4066Sahrens for (c = 0; c < m; c++) 88725345e46SGeorge Wilson child[c] = make_vdev_raidz(path, aux, pool, size, ashift, r); 888fa9e4066Sahrens 889fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 890fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 891fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 892fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 893fa9e4066Sahrens child, m) == 0); 894fa9e4066Sahrens 895fa9e4066Sahrens for (c = 0; c < m; c++) 896fa9e4066Sahrens nvlist_free(child[c]); 897fa9e4066Sahrens 898fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 899fa9e4066Sahrens 900fa9e4066Sahrens return (mirror); 901fa9e4066Sahrens } 902fa9e4066Sahrens 903fa9e4066Sahrens static nvlist_t * 90425345e46SGeorge Wilson make_vdev_root(char *path, char *aux, char *pool, size_t size, uint64_t ashift, 90525345e46SGeorge Wilson int log, int r, int m, int t) 906fa9e4066Sahrens { 907fa9e4066Sahrens nvlist_t *root, **child; 908fa9e4066Sahrens int c; 909fa9e4066Sahrens 910fa9e4066Sahrens ASSERT(t > 0); 911fa9e4066Sahrens 912fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 913fa9e4066Sahrens 91431157203SJeff Bonwick for (c = 0; c < t; c++) { 91525345e46SGeorge Wilson child[c] = make_vdev_mirror(path, aux, pool, size, ashift, 91625345e46SGeorge Wilson r, m); 91731157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 91831157203SJeff Bonwick log) == 0); 91931157203SJeff Bonwick } 920fa9e4066Sahrens 921fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 922fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 923e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 924fa9e4066Sahrens child, t) == 0); 925fa9e4066Sahrens 926fa9e4066Sahrens for (c = 0; c < t; c++) 927fa9e4066Sahrens nvlist_free(child[c]); 928fa9e4066Sahrens 929fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 930fa9e4066Sahrens 931fa9e4066Sahrens return (root); 932fa9e4066Sahrens } 933fa9e4066Sahrens 93425345e46SGeorge Wilson /* 93525345e46SGeorge Wilson * Find a random spa version. Returns back a random spa version in the 93625345e46SGeorge Wilson * range [initial_version, SPA_VERSION_FEATURES]. 93725345e46SGeorge Wilson */ 93825345e46SGeorge Wilson static uint64_t 93925345e46SGeorge Wilson ztest_random_spa_version(uint64_t initial_version) 94025345e46SGeorge Wilson { 94125345e46SGeorge Wilson uint64_t version = initial_version; 94225345e46SGeorge Wilson 94325345e46SGeorge Wilson if (version <= SPA_VERSION_BEFORE_FEATURES) { 94425345e46SGeorge Wilson version = version + 94525345e46SGeorge Wilson ztest_random(SPA_VERSION_BEFORE_FEATURES - version + 1); 94625345e46SGeorge Wilson } 94725345e46SGeorge Wilson 94825345e46SGeorge Wilson if (version > SPA_VERSION_BEFORE_FEATURES) 94925345e46SGeorge Wilson version = SPA_VERSION_FEATURES; 95025345e46SGeorge Wilson 95125345e46SGeorge Wilson ASSERT(SPA_VERSION_IS_SUPPORTED(version)); 95225345e46SGeorge Wilson return (version); 95325345e46SGeorge Wilson } 95425345e46SGeorge Wilson 955b24ab676SJeff Bonwick static int 956b24ab676SJeff Bonwick ztest_random_blocksize(void) 957fa9e4066Sahrens { 958b24ab676SJeff Bonwick return (1 << (SPA_MINBLOCKSHIFT + 959b24ab676SJeff Bonwick ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1))); 960b24ab676SJeff Bonwick } 961fa9e4066Sahrens 962b24ab676SJeff Bonwick static int 963b24ab676SJeff Bonwick ztest_random_ibshift(void) 964b24ab676SJeff Bonwick { 965b24ab676SJeff Bonwick return (DN_MIN_INDBLKSHIFT + 966b24ab676SJeff Bonwick ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1)); 967fa9e4066Sahrens } 968fa9e4066Sahrens 969b24ab676SJeff Bonwick static uint64_t 970b24ab676SJeff Bonwick ztest_random_vdev_top(spa_t *spa, boolean_t log_ok) 971fa9e4066Sahrens { 972b24ab676SJeff Bonwick uint64_t top; 973b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 974b24ab676SJeff Bonwick vdev_t *tvd; 975fa9e4066Sahrens 976b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); 977fa9e4066Sahrens 978b24ab676SJeff Bonwick do { 979b24ab676SJeff Bonwick top = ztest_random(rvd->vdev_children); 980b24ab676SJeff Bonwick tvd = rvd->vdev_child[top]; 981b24ab676SJeff Bonwick } while (tvd->vdev_ishole || (tvd->vdev_islog && !log_ok) || 982b24ab676SJeff Bonwick tvd->vdev_mg == NULL || tvd->vdev_mg->mg_class == NULL); 983fa9e4066Sahrens 984b24ab676SJeff Bonwick return (top); 985fa9e4066Sahrens } 986fa9e4066Sahrens 987b24ab676SJeff Bonwick static uint64_t 988b24ab676SJeff Bonwick ztest_random_dsl_prop(zfs_prop_t prop) 989fa9e4066Sahrens { 990b24ab676SJeff Bonwick uint64_t value; 991b24ab676SJeff Bonwick 992b24ab676SJeff Bonwick do { 993b24ab676SJeff Bonwick value = zfs_prop_random_value(prop, ztest_random(-1ULL)); 994b24ab676SJeff Bonwick } while (prop == ZFS_PROP_CHECKSUM && value == ZIO_CHECKSUM_OFF); 995b24ab676SJeff Bonwick 996b24ab676SJeff Bonwick return (value); 997fa9e4066Sahrens } 998fa9e4066Sahrens 999fa9e4066Sahrens static int 1000b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(char *osname, zfs_prop_t prop, uint64_t value, 1001b24ab676SJeff Bonwick boolean_t inherit) 1002fa9e4066Sahrens { 1003b24ab676SJeff Bonwick const char *propname = zfs_prop_to_name(prop); 1004b24ab676SJeff Bonwick const char *valname; 1005b24ab676SJeff Bonwick char setpoint[MAXPATHLEN]; 1006b24ab676SJeff Bonwick uint64_t curval; 1007fa9e4066Sahrens int error; 1008fa9e4066Sahrens 100992241e0bSTom Erickson error = dsl_prop_set(osname, propname, 101092241e0bSTom Erickson (inherit ? ZPROP_SRC_NONE : ZPROP_SRC_LOCAL), 101192241e0bSTom Erickson sizeof (value), 1, &value); 1012fa9e4066Sahrens 1013b24ab676SJeff Bonwick if (error == ENOSPC) { 1014b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 1015fa9e4066Sahrens return (error); 1016fa9e4066Sahrens } 1017fb09f5aaSMadhav Suresh ASSERT0(error); 1018fa9e4066Sahrens 1019b24ab676SJeff Bonwick VERIFY3U(dsl_prop_get(osname, propname, sizeof (curval), 1020b24ab676SJeff Bonwick 1, &curval, setpoint), ==, 0); 1021b24ab676SJeff Bonwick 1022420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 1023b24ab676SJeff Bonwick VERIFY(zfs_prop_index_to_string(prop, curval, &valname) == 0); 1024b24ab676SJeff Bonwick (void) printf("%s %s = %s at '%s'\n", 1025b24ab676SJeff Bonwick osname, propname, valname, setpoint); 1026fa9e4066Sahrens } 1027fa9e4066Sahrens 1028fa9e4066Sahrens return (error); 1029fa9e4066Sahrens } 1030fa9e4066Sahrens 1031fa9e4066Sahrens static int 1032420dfc95SChris Siden ztest_spa_prop_set_uint64(zpool_prop_t prop, uint64_t value) 1033fa9e4066Sahrens { 1034420dfc95SChris Siden spa_t *spa = ztest_spa; 1035b24ab676SJeff Bonwick nvlist_t *props = NULL; 1036fa9e4066Sahrens int error; 1037fa9e4066Sahrens 1038b24ab676SJeff Bonwick VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 1039b24ab676SJeff Bonwick VERIFY(nvlist_add_uint64(props, zpool_prop_to_name(prop), value) == 0); 1040fa9e4066Sahrens 1041b24ab676SJeff Bonwick error = spa_prop_set(spa, props); 1042b24ab676SJeff Bonwick 1043b24ab676SJeff Bonwick nvlist_free(props); 1044b24ab676SJeff Bonwick 1045b24ab676SJeff Bonwick if (error == ENOSPC) { 1046b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 1047fa9e4066Sahrens return (error); 1048fa9e4066Sahrens } 1049fb09f5aaSMadhav Suresh ASSERT0(error); 1050fa9e4066Sahrens 1051fa9e4066Sahrens return (error); 1052fa9e4066Sahrens } 1053fa9e4066Sahrens 1054b24ab676SJeff Bonwick static void 1055b24ab676SJeff Bonwick ztest_rll_init(rll_t *rll) 1056b24ab676SJeff Bonwick { 1057b24ab676SJeff Bonwick rll->rll_writer = NULL; 1058b24ab676SJeff Bonwick rll->rll_readers = 0; 1059b24ab676SJeff Bonwick VERIFY(_mutex_init(&rll->rll_lock, USYNC_THREAD, NULL) == 0); 1060b24ab676SJeff Bonwick VERIFY(cond_init(&rll->rll_cv, USYNC_THREAD, NULL) == 0); 1061b24ab676SJeff Bonwick } 1062fa9e4066Sahrens 1063b24ab676SJeff Bonwick static void 1064b24ab676SJeff Bonwick ztest_rll_destroy(rll_t *rll) 1065fa9e4066Sahrens { 1066b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 1067b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 1068b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&rll->rll_lock) == 0); 1069b24ab676SJeff Bonwick VERIFY(cond_destroy(&rll->rll_cv) == 0); 1070b24ab676SJeff Bonwick } 1071fa9e4066Sahrens 1072b24ab676SJeff Bonwick static void 1073b24ab676SJeff Bonwick ztest_rll_lock(rll_t *rll, rl_type_t type) 1074b24ab676SJeff Bonwick { 1075b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 1076fa9e4066Sahrens 1077b24ab676SJeff Bonwick if (type == RL_READER) { 1078b24ab676SJeff Bonwick while (rll->rll_writer != NULL) 1079b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 1080b24ab676SJeff Bonwick rll->rll_readers++; 1081b24ab676SJeff Bonwick } else { 1082b24ab676SJeff Bonwick while (rll->rll_writer != NULL || rll->rll_readers) 1083b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 1084b24ab676SJeff Bonwick rll->rll_writer = curthread; 1085b24ab676SJeff Bonwick } 1086fa9e4066Sahrens 1087b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 1088b24ab676SJeff Bonwick } 1089fa9e4066Sahrens 1090b24ab676SJeff Bonwick static void 1091b24ab676SJeff Bonwick ztest_rll_unlock(rll_t *rll) 1092b24ab676SJeff Bonwick { 1093b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 1094fa9e4066Sahrens 1095b24ab676SJeff Bonwick if (rll->rll_writer) { 1096b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 1097b24ab676SJeff Bonwick rll->rll_writer = NULL; 1098b24ab676SJeff Bonwick } else { 1099b24ab676SJeff Bonwick ASSERT(rll->rll_readers != 0); 1100b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 1101b24ab676SJeff Bonwick rll->rll_readers--; 1102b24ab676SJeff Bonwick } 1103fa9e4066Sahrens 1104b24ab676SJeff Bonwick if (rll->rll_writer == NULL && rll->rll_readers == 0) 1105b24ab676SJeff Bonwick VERIFY(cond_broadcast(&rll->rll_cv) == 0); 1106b24ab676SJeff Bonwick 1107b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 1108fa9e4066Sahrens } 1109fa9e4066Sahrens 1110b24ab676SJeff Bonwick static void 1111b24ab676SJeff Bonwick ztest_object_lock(ztest_ds_t *zd, uint64_t object, rl_type_t type) 111231157203SJeff Bonwick { 1113b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 111431157203SJeff Bonwick 1115b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 1116b24ab676SJeff Bonwick } 111731157203SJeff Bonwick 1118b24ab676SJeff Bonwick static void 1119b24ab676SJeff Bonwick ztest_object_unlock(ztest_ds_t *zd, uint64_t object) 1120b24ab676SJeff Bonwick { 1121b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 112231157203SJeff Bonwick 1123b24ab676SJeff Bonwick ztest_rll_unlock(rll); 112431157203SJeff Bonwick } 112531157203SJeff Bonwick 1126b24ab676SJeff Bonwick static rl_t * 1127b24ab676SJeff Bonwick ztest_range_lock(ztest_ds_t *zd, uint64_t object, uint64_t offset, 1128b24ab676SJeff Bonwick uint64_t size, rl_type_t type) 112988ecc943SGeorge Wilson { 1130b24ab676SJeff Bonwick uint64_t hash = object ^ (offset % (ZTEST_RANGE_LOCKS + 1)); 1131b24ab676SJeff Bonwick rll_t *rll = &zd->zd_range_lock[hash & (ZTEST_RANGE_LOCKS - 1)]; 1132b24ab676SJeff Bonwick rl_t *rl; 113388ecc943SGeorge Wilson 1134b24ab676SJeff Bonwick rl = umem_alloc(sizeof (*rl), UMEM_NOFAIL); 1135b24ab676SJeff Bonwick rl->rl_object = object; 1136b24ab676SJeff Bonwick rl->rl_offset = offset; 1137b24ab676SJeff Bonwick rl->rl_size = size; 1138b24ab676SJeff Bonwick rl->rl_lock = rll; 113988ecc943SGeorge Wilson 1140b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 114188ecc943SGeorge Wilson 1142b24ab676SJeff Bonwick return (rl); 114388ecc943SGeorge Wilson } 114488ecc943SGeorge Wilson 1145b24ab676SJeff Bonwick static void 1146b24ab676SJeff Bonwick ztest_range_unlock(rl_t *rl) 1147fa9e4066Sahrens { 1148b24ab676SJeff Bonwick rll_t *rll = rl->rl_lock; 1149fa9e4066Sahrens 1150b24ab676SJeff Bonwick ztest_rll_unlock(rll); 1151fa9e4066Sahrens 1152b24ab676SJeff Bonwick umem_free(rl, sizeof (*rl)); 1153b24ab676SJeff Bonwick } 1154fa9e4066Sahrens 1155b24ab676SJeff Bonwick static void 1156420dfc95SChris Siden ztest_zd_init(ztest_ds_t *zd, ztest_shared_ds_t *szd, objset_t *os) 1157b24ab676SJeff Bonwick { 1158b24ab676SJeff Bonwick zd->zd_os = os; 1159b24ab676SJeff Bonwick zd->zd_zilog = dmu_objset_zil(os); 1160420dfc95SChris Siden zd->zd_shared = szd; 1161b24ab676SJeff Bonwick dmu_objset_name(os, zd->zd_name); 1162fa9e4066Sahrens 1163420dfc95SChris Siden if (zd->zd_shared != NULL) 1164420dfc95SChris Siden zd->zd_shared->zd_seq = 0; 1165420dfc95SChris Siden 1166c9ba2a43SEric Schrock VERIFY(rwlock_init(&zd->zd_zilog_lock, USYNC_THREAD, NULL) == 0); 1167b24ab676SJeff Bonwick VERIFY(_mutex_init(&zd->zd_dirobj_lock, USYNC_THREAD, NULL) == 0); 1168b24ab676SJeff Bonwick 1169b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1170b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_object_lock[l]); 1171b24ab676SJeff Bonwick 1172b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1173b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_range_lock[l]); 1174b24ab676SJeff Bonwick } 1175b24ab676SJeff Bonwick 1176b24ab676SJeff Bonwick static void 1177b24ab676SJeff Bonwick ztest_zd_fini(ztest_ds_t *zd) 1178b24ab676SJeff Bonwick { 1179b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&zd->zd_dirobj_lock) == 0); 1180b24ab676SJeff Bonwick 1181b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1182b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_object_lock[l]); 1183b24ab676SJeff Bonwick 1184b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1185b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_range_lock[l]); 1186b24ab676SJeff Bonwick } 1187b24ab676SJeff Bonwick 1188b24ab676SJeff Bonwick #define TXG_MIGHTWAIT (ztest_random(10) == 0 ? TXG_NOWAIT : TXG_WAIT) 1189b24ab676SJeff Bonwick 1190b24ab676SJeff Bonwick static uint64_t 1191b24ab676SJeff Bonwick ztest_tx_assign(dmu_tx_t *tx, uint64_t txg_how, const char *tag) 1192b24ab676SJeff Bonwick { 1193b24ab676SJeff Bonwick uint64_t txg; 1194b24ab676SJeff Bonwick int error; 1195b24ab676SJeff Bonwick 1196b24ab676SJeff Bonwick /* 1197b24ab676SJeff Bonwick * Attempt to assign tx to some transaction group. 1198b24ab676SJeff Bonwick */ 1199b24ab676SJeff Bonwick error = dmu_tx_assign(tx, txg_how); 1200b24ab676SJeff Bonwick if (error) { 1201b24ab676SJeff Bonwick if (error == ERESTART) { 1202b24ab676SJeff Bonwick ASSERT(txg_how == TXG_NOWAIT); 1203b24ab676SJeff Bonwick dmu_tx_wait(tx); 1204b24ab676SJeff Bonwick } else { 1205b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1206b24ab676SJeff Bonwick ztest_record_enospc(tag); 1207b24ab676SJeff Bonwick } 1208b24ab676SJeff Bonwick dmu_tx_abort(tx); 1209b24ab676SJeff Bonwick return (0); 1210b24ab676SJeff Bonwick } 1211b24ab676SJeff Bonwick txg = dmu_tx_get_txg(tx); 1212b24ab676SJeff Bonwick ASSERT(txg != 0); 1213b24ab676SJeff Bonwick return (txg); 1214b24ab676SJeff Bonwick } 1215b24ab676SJeff Bonwick 1216b24ab676SJeff Bonwick static void 1217b24ab676SJeff Bonwick ztest_pattern_set(void *buf, uint64_t size, uint64_t value) 1218b24ab676SJeff Bonwick { 1219b24ab676SJeff Bonwick uint64_t *ip = buf; 1220b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1221b24ab676SJeff Bonwick 1222b24ab676SJeff Bonwick while (ip < ip_end) 1223b24ab676SJeff Bonwick *ip++ = value; 1224b24ab676SJeff Bonwick } 1225b24ab676SJeff Bonwick 1226b24ab676SJeff Bonwick static boolean_t 1227b24ab676SJeff Bonwick ztest_pattern_match(void *buf, uint64_t size, uint64_t value) 1228b24ab676SJeff Bonwick { 1229b24ab676SJeff Bonwick uint64_t *ip = buf; 1230b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1231b24ab676SJeff Bonwick uint64_t diff = 0; 1232b24ab676SJeff Bonwick 1233b24ab676SJeff Bonwick while (ip < ip_end) 1234b24ab676SJeff Bonwick diff |= (value - *ip++); 1235b24ab676SJeff Bonwick 1236b24ab676SJeff Bonwick return (diff == 0); 1237b24ab676SJeff Bonwick } 1238b24ab676SJeff Bonwick 1239b24ab676SJeff Bonwick static void 1240b24ab676SJeff Bonwick ztest_bt_generate(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1241b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1242b24ab676SJeff Bonwick { 1243b24ab676SJeff Bonwick bt->bt_magic = BT_MAGIC; 1244b24ab676SJeff Bonwick bt->bt_objset = dmu_objset_id(os); 1245b24ab676SJeff Bonwick bt->bt_object = object; 1246b24ab676SJeff Bonwick bt->bt_offset = offset; 1247b24ab676SJeff Bonwick bt->bt_gen = gen; 1248b24ab676SJeff Bonwick bt->bt_txg = txg; 1249b24ab676SJeff Bonwick bt->bt_crtxg = crtxg; 1250b24ab676SJeff Bonwick } 1251b24ab676SJeff Bonwick 1252b24ab676SJeff Bonwick static void 1253b24ab676SJeff Bonwick ztest_bt_verify(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1254b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1255b24ab676SJeff Bonwick { 1256b24ab676SJeff Bonwick ASSERT(bt->bt_magic == BT_MAGIC); 1257b24ab676SJeff Bonwick ASSERT(bt->bt_objset == dmu_objset_id(os)); 1258b24ab676SJeff Bonwick ASSERT(bt->bt_object == object); 1259b24ab676SJeff Bonwick ASSERT(bt->bt_offset == offset); 1260b24ab676SJeff Bonwick ASSERT(bt->bt_gen <= gen); 1261b24ab676SJeff Bonwick ASSERT(bt->bt_txg <= txg); 1262b24ab676SJeff Bonwick ASSERT(bt->bt_crtxg == crtxg); 1263b24ab676SJeff Bonwick } 1264b24ab676SJeff Bonwick 1265b24ab676SJeff Bonwick static ztest_block_tag_t * 1266b24ab676SJeff Bonwick ztest_bt_bonus(dmu_buf_t *db) 1267b24ab676SJeff Bonwick { 1268b24ab676SJeff Bonwick dmu_object_info_t doi; 1269b24ab676SJeff Bonwick ztest_block_tag_t *bt; 1270b24ab676SJeff Bonwick 1271b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1272b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, <=, db->db_size); 1273b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, >=, sizeof (*bt)); 1274b24ab676SJeff Bonwick bt = (void *)((char *)db->db_data + doi.doi_bonus_size - sizeof (*bt)); 1275b24ab676SJeff Bonwick 1276b24ab676SJeff Bonwick return (bt); 1277b24ab676SJeff Bonwick } 1278b24ab676SJeff Bonwick 1279b24ab676SJeff Bonwick /* 1280b24ab676SJeff Bonwick * ZIL logging ops 1281b24ab676SJeff Bonwick */ 1282b24ab676SJeff Bonwick 1283b24ab676SJeff Bonwick #define lrz_type lr_mode 1284b24ab676SJeff Bonwick #define lrz_blocksize lr_uid 1285b24ab676SJeff Bonwick #define lrz_ibshift lr_gid 1286b24ab676SJeff Bonwick #define lrz_bonustype lr_rdev 1287b24ab676SJeff Bonwick #define lrz_bonuslen lr_crtime[1] 1288b24ab676SJeff Bonwick 12895002558fSNeil Perrin static void 1290b24ab676SJeff Bonwick ztest_log_create(ztest_ds_t *zd, dmu_tx_t *tx, lr_create_t *lr) 1291b24ab676SJeff Bonwick { 1292b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1293b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1294b24ab676SJeff Bonwick itx_t *itx; 1295b24ab676SJeff Bonwick 1296b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 12975002558fSNeil Perrin return; 1298b24ab676SJeff Bonwick 1299b24ab676SJeff Bonwick itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize); 1300b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1301b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1302b24ab676SJeff Bonwick 13035002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1304b24ab676SJeff Bonwick } 1305b24ab676SJeff Bonwick 13065002558fSNeil Perrin static void 13075002558fSNeil Perrin ztest_log_remove(ztest_ds_t *zd, dmu_tx_t *tx, lr_remove_t *lr, uint64_t object) 1308b24ab676SJeff Bonwick { 1309b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1310b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1311b24ab676SJeff Bonwick itx_t *itx; 1312b24ab676SJeff Bonwick 1313b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13145002558fSNeil Perrin return; 1315b24ab676SJeff Bonwick 1316b24ab676SJeff Bonwick itx = zil_itx_create(TX_REMOVE, sizeof (*lr) + namesize); 1317b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1318b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1319b24ab676SJeff Bonwick 132051bd2f97SNeil Perrin itx->itx_oid = object; 13215002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1322b24ab676SJeff Bonwick } 1323b24ab676SJeff Bonwick 13245002558fSNeil Perrin static void 1325b24ab676SJeff Bonwick ztest_log_write(ztest_ds_t *zd, dmu_tx_t *tx, lr_write_t *lr) 1326b24ab676SJeff Bonwick { 1327b24ab676SJeff Bonwick itx_t *itx; 1328b24ab676SJeff Bonwick itx_wr_state_t write_state = ztest_random(WR_NUM_STATES); 1329b24ab676SJeff Bonwick 1330b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13315002558fSNeil Perrin return; 1332b24ab676SJeff Bonwick 1333b24ab676SJeff Bonwick if (lr->lr_length > ZIL_MAX_LOG_DATA) 1334b24ab676SJeff Bonwick write_state = WR_INDIRECT; 1335b24ab676SJeff Bonwick 1336b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, 1337b24ab676SJeff Bonwick sizeof (*lr) + (write_state == WR_COPIED ? lr->lr_length : 0)); 1338b24ab676SJeff Bonwick 1339b24ab676SJeff Bonwick if (write_state == WR_COPIED && 1340b24ab676SJeff Bonwick dmu_read(zd->zd_os, lr->lr_foid, lr->lr_offset, lr->lr_length, 1341b24ab676SJeff Bonwick ((lr_write_t *)&itx->itx_lr) + 1, DMU_READ_NO_PREFETCH) != 0) { 1342b24ab676SJeff Bonwick zil_itx_destroy(itx); 1343b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, sizeof (*lr)); 1344b24ab676SJeff Bonwick write_state = WR_NEED_COPY; 1345b24ab676SJeff Bonwick } 1346b24ab676SJeff Bonwick itx->itx_private = zd; 1347b24ab676SJeff Bonwick itx->itx_wr_state = write_state; 1348b24ab676SJeff Bonwick itx->itx_sync = (ztest_random(8) == 0); 1349b24ab676SJeff Bonwick itx->itx_sod += (write_state == WR_NEED_COPY ? lr->lr_length : 0); 1350b24ab676SJeff Bonwick 1351b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1352b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1353b24ab676SJeff Bonwick 13545002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1355b24ab676SJeff Bonwick } 1356b24ab676SJeff Bonwick 13575002558fSNeil Perrin static void 1358b24ab676SJeff Bonwick ztest_log_truncate(ztest_ds_t *zd, dmu_tx_t *tx, lr_truncate_t *lr) 1359b24ab676SJeff Bonwick { 1360b24ab676SJeff Bonwick itx_t *itx; 1361b24ab676SJeff Bonwick 1362b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13635002558fSNeil Perrin return; 1364b24ab676SJeff Bonwick 1365b24ab676SJeff Bonwick itx = zil_itx_create(TX_TRUNCATE, sizeof (*lr)); 1366b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1367b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1368b24ab676SJeff Bonwick 13695002558fSNeil Perrin itx->itx_sync = B_FALSE; 13705002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1371b24ab676SJeff Bonwick } 1372b24ab676SJeff Bonwick 13735002558fSNeil Perrin static void 1374b24ab676SJeff Bonwick ztest_log_setattr(ztest_ds_t *zd, dmu_tx_t *tx, lr_setattr_t *lr) 1375b24ab676SJeff Bonwick { 1376b24ab676SJeff Bonwick itx_t *itx; 1377b24ab676SJeff Bonwick 1378b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13795002558fSNeil Perrin return; 1380b24ab676SJeff Bonwick 1381b24ab676SJeff Bonwick itx = zil_itx_create(TX_SETATTR, sizeof (*lr)); 1382b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1383b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1384b24ab676SJeff Bonwick 13855002558fSNeil Perrin itx->itx_sync = B_FALSE; 13865002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1387b24ab676SJeff Bonwick } 1388b24ab676SJeff Bonwick 1389b24ab676SJeff Bonwick /* 1390b24ab676SJeff Bonwick * ZIL replay ops 1391b24ab676SJeff Bonwick */ 1392b24ab676SJeff Bonwick static int 1393b24ab676SJeff Bonwick ztest_replay_create(ztest_ds_t *zd, lr_create_t *lr, boolean_t byteswap) 1394b24ab676SJeff Bonwick { 1395b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1396b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1397b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1398b24ab676SJeff Bonwick dmu_buf_t *db; 1399b24ab676SJeff Bonwick dmu_tx_t *tx; 1400b24ab676SJeff Bonwick uint64_t txg; 1401b24ab676SJeff Bonwick int error = 0; 1402b24ab676SJeff Bonwick 1403b24ab676SJeff Bonwick if (byteswap) 1404b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1405b24ab676SJeff Bonwick 1406b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1407b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1408b24ab676SJeff Bonwick 1409b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1410b24ab676SJeff Bonwick 1411b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_TRUE, name); 1412b24ab676SJeff Bonwick 1413b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1414b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); 1415b24ab676SJeff Bonwick } else { 1416b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1417b24ab676SJeff Bonwick } 1418b24ab676SJeff Bonwick 1419b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1420b24ab676SJeff Bonwick if (txg == 0) 1421b24ab676SJeff Bonwick return (ENOSPC); 1422b24ab676SJeff Bonwick 1423b24ab676SJeff Bonwick ASSERT(dmu_objset_zil(os)->zl_replay == !!lr->lr_foid); 1424b24ab676SJeff Bonwick 1425b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1426b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1427b24ab676SJeff Bonwick lr->lr_foid = zap_create(os, 1428b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1429b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1430b24ab676SJeff Bonwick } else { 1431b24ab676SJeff Bonwick error = zap_create_claim(os, lr->lr_foid, 1432b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1433b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1434b24ab676SJeff Bonwick } 1435b24ab676SJeff Bonwick } else { 1436b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1437b24ab676SJeff Bonwick lr->lr_foid = dmu_object_alloc(os, 1438b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1439b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1440b24ab676SJeff Bonwick } else { 1441b24ab676SJeff Bonwick error = dmu_object_claim(os, lr->lr_foid, 1442b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1443b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1444b24ab676SJeff Bonwick } 1445b24ab676SJeff Bonwick } 1446b24ab676SJeff Bonwick 1447b24ab676SJeff Bonwick if (error) { 1448b24ab676SJeff Bonwick ASSERT3U(error, ==, EEXIST); 1449b24ab676SJeff Bonwick ASSERT(zd->zd_zilog->zl_replay); 1450b24ab676SJeff Bonwick dmu_tx_commit(tx); 1451b24ab676SJeff Bonwick return (error); 1452b24ab676SJeff Bonwick } 1453b24ab676SJeff Bonwick 1454b24ab676SJeff Bonwick ASSERT(lr->lr_foid != 0); 1455b24ab676SJeff Bonwick 1456b24ab676SJeff Bonwick if (lr->lrz_type != DMU_OT_ZAP_OTHER) 1457b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_set_blocksize(os, lr->lr_foid, 1458b24ab676SJeff Bonwick lr->lrz_blocksize, lr->lrz_ibshift, tx)); 1459b24ab676SJeff Bonwick 1460b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1461b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1462b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1463b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_gen, txg, txg); 1464b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1465b24ab676SJeff Bonwick 1466b420f3adSRichard Lowe VERIFY3U(0, ==, zap_add(os, lr->lr_doid, name, sizeof (uint64_t), 1, 1467b24ab676SJeff Bonwick &lr->lr_foid, tx)); 1468b24ab676SJeff Bonwick 1469b24ab676SJeff Bonwick (void) ztest_log_create(zd, tx, lr); 1470b24ab676SJeff Bonwick 1471b24ab676SJeff Bonwick dmu_tx_commit(tx); 1472b24ab676SJeff Bonwick 1473b24ab676SJeff Bonwick return (0); 1474b24ab676SJeff Bonwick } 1475b24ab676SJeff Bonwick 1476b24ab676SJeff Bonwick static int 1477b24ab676SJeff Bonwick ztest_replay_remove(ztest_ds_t *zd, lr_remove_t *lr, boolean_t byteswap) 1478b24ab676SJeff Bonwick { 1479b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1480b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1481b24ab676SJeff Bonwick dmu_object_info_t doi; 1482b24ab676SJeff Bonwick dmu_tx_t *tx; 1483b24ab676SJeff Bonwick uint64_t object, txg; 1484b24ab676SJeff Bonwick 1485b24ab676SJeff Bonwick if (byteswap) 1486b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1487b24ab676SJeff Bonwick 1488b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1489b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1490b24ab676SJeff Bonwick 1491b420f3adSRichard Lowe VERIFY3U(0, ==, 1492b24ab676SJeff Bonwick zap_lookup(os, lr->lr_doid, name, sizeof (object), 1, &object)); 1493b24ab676SJeff Bonwick ASSERT(object != 0); 1494b24ab676SJeff Bonwick 1495b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_WRITER); 1496b24ab676SJeff Bonwick 1497b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_info(os, object, &doi)); 1498b24ab676SJeff Bonwick 1499b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1500b24ab676SJeff Bonwick 1501b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_FALSE, name); 1502b24ab676SJeff Bonwick dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1503b24ab676SJeff Bonwick 1504b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1505b24ab676SJeff Bonwick if (txg == 0) { 1506b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1507b24ab676SJeff Bonwick return (ENOSPC); 1508b24ab676SJeff Bonwick } 1509b24ab676SJeff Bonwick 1510b24ab676SJeff Bonwick if (doi.doi_type == DMU_OT_ZAP_OTHER) { 1511b420f3adSRichard Lowe VERIFY3U(0, ==, zap_destroy(os, object, tx)); 1512b24ab676SJeff Bonwick } else { 1513b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_free(os, object, tx)); 1514b24ab676SJeff Bonwick } 1515b24ab676SJeff Bonwick 1516b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, lr->lr_doid, name, tx)); 1517b24ab676SJeff Bonwick 15185002558fSNeil Perrin (void) ztest_log_remove(zd, tx, lr, object); 1519b24ab676SJeff Bonwick 1520b24ab676SJeff Bonwick dmu_tx_commit(tx); 1521b24ab676SJeff Bonwick 1522b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1523b24ab676SJeff Bonwick 1524b24ab676SJeff Bonwick return (0); 1525b24ab676SJeff Bonwick } 1526b24ab676SJeff Bonwick 1527b24ab676SJeff Bonwick static int 1528b24ab676SJeff Bonwick ztest_replay_write(ztest_ds_t *zd, lr_write_t *lr, boolean_t byteswap) 1529b24ab676SJeff Bonwick { 1530b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1531b24ab676SJeff Bonwick void *data = lr + 1; /* data follows lr */ 1532b24ab676SJeff Bonwick uint64_t offset, length; 1533b24ab676SJeff Bonwick ztest_block_tag_t *bt = data; 1534b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1535b24ab676SJeff Bonwick uint64_t gen, txg, lrtxg, crtxg; 1536b24ab676SJeff Bonwick dmu_object_info_t doi; 1537b24ab676SJeff Bonwick dmu_tx_t *tx; 1538b24ab676SJeff Bonwick dmu_buf_t *db; 1539b24ab676SJeff Bonwick arc_buf_t *abuf = NULL; 1540b24ab676SJeff Bonwick rl_t *rl; 1541b24ab676SJeff Bonwick 1542b24ab676SJeff Bonwick if (byteswap) 1543b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1544b24ab676SJeff Bonwick 1545b24ab676SJeff Bonwick offset = lr->lr_offset; 1546b24ab676SJeff Bonwick length = lr->lr_length; 1547b24ab676SJeff Bonwick 1548b24ab676SJeff Bonwick /* If it's a dmu_sync() block, write the whole block */ 1549b24ab676SJeff Bonwick if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 1550b24ab676SJeff Bonwick uint64_t blocksize = BP_GET_LSIZE(&lr->lr_blkptr); 1551b24ab676SJeff Bonwick if (length < blocksize) { 1552b24ab676SJeff Bonwick offset -= offset % blocksize; 1553b24ab676SJeff Bonwick length = blocksize; 1554b24ab676SJeff Bonwick } 1555b24ab676SJeff Bonwick } 1556b24ab676SJeff Bonwick 1557b24ab676SJeff Bonwick if (bt->bt_magic == BSWAP_64(BT_MAGIC)) 1558b24ab676SJeff Bonwick byteswap_uint64_array(bt, sizeof (*bt)); 1559b24ab676SJeff Bonwick 1560b24ab676SJeff Bonwick if (bt->bt_magic != BT_MAGIC) 1561b24ab676SJeff Bonwick bt = NULL; 1562b24ab676SJeff Bonwick 1563b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1564b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, offset, length, RL_WRITER); 1565b24ab676SJeff Bonwick 1566b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1567b24ab676SJeff Bonwick 1568b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1569b24ab676SJeff Bonwick 1570b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1571b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1572b24ab676SJeff Bonwick gen = bbt->bt_gen; 1573b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1574b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1575b24ab676SJeff Bonwick 1576b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1577b24ab676SJeff Bonwick 1578b24ab676SJeff Bonwick dmu_tx_hold_write(tx, lr->lr_foid, offset, length); 1579b24ab676SJeff Bonwick 1580b24ab676SJeff Bonwick if (ztest_random(8) == 0 && length == doi.doi_data_block_size && 1581b24ab676SJeff Bonwick P2PHASE(offset, length) == 0) 1582b24ab676SJeff Bonwick abuf = dmu_request_arcbuf(db, length); 1583b24ab676SJeff Bonwick 1584b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1585b24ab676SJeff Bonwick if (txg == 0) { 1586b24ab676SJeff Bonwick if (abuf != NULL) 1587b24ab676SJeff Bonwick dmu_return_arcbuf(abuf); 1588b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1589b24ab676SJeff Bonwick ztest_range_unlock(rl); 1590b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1591b24ab676SJeff Bonwick return (ENOSPC); 1592b24ab676SJeff Bonwick } 1593b24ab676SJeff Bonwick 1594b24ab676SJeff Bonwick if (bt != NULL) { 1595b24ab676SJeff Bonwick /* 1596b24ab676SJeff Bonwick * Usually, verify the old data before writing new data -- 1597b24ab676SJeff Bonwick * but not always, because we also want to verify correct 1598b24ab676SJeff Bonwick * behavior when the data was not recently read into cache. 1599b24ab676SJeff Bonwick */ 1600b24ab676SJeff Bonwick ASSERT(offset % doi.doi_data_block_size == 0); 1601b24ab676SJeff Bonwick if (ztest_random(4) != 0) { 1602b24ab676SJeff Bonwick int prefetch = ztest_random(2) ? 1603b24ab676SJeff Bonwick DMU_READ_PREFETCH : DMU_READ_NO_PREFETCH; 1604b24ab676SJeff Bonwick ztest_block_tag_t rbt; 1605b24ab676SJeff Bonwick 1606b24ab676SJeff Bonwick VERIFY(dmu_read(os, lr->lr_foid, offset, 1607b24ab676SJeff Bonwick sizeof (rbt), &rbt, prefetch) == 0); 1608b24ab676SJeff Bonwick if (rbt.bt_magic == BT_MAGIC) { 1609b24ab676SJeff Bonwick ztest_bt_verify(&rbt, os, lr->lr_foid, 1610b24ab676SJeff Bonwick offset, gen, txg, crtxg); 1611b24ab676SJeff Bonwick } 1612b24ab676SJeff Bonwick } 1613b24ab676SJeff Bonwick 1614b24ab676SJeff Bonwick /* 1615b24ab676SJeff Bonwick * Writes can appear to be newer than the bonus buffer because 1616b24ab676SJeff Bonwick * the ztest_get_data() callback does a dmu_read() of the 1617b24ab676SJeff Bonwick * open-context data, which may be different than the data 1618b24ab676SJeff Bonwick * as it was when the write was generated. 1619b24ab676SJeff Bonwick */ 1620b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1621b24ab676SJeff Bonwick ztest_bt_verify(bt, os, lr->lr_foid, offset, 1622b24ab676SJeff Bonwick MAX(gen, bt->bt_gen), MAX(txg, lrtxg), 1623b24ab676SJeff Bonwick bt->bt_crtxg); 1624b24ab676SJeff Bonwick } 1625b24ab676SJeff Bonwick 1626b24ab676SJeff Bonwick /* 1627b24ab676SJeff Bonwick * Set the bt's gen/txg to the bonus buffer's gen/txg 1628b24ab676SJeff Bonwick * so that all of the usual ASSERTs will work. 1629b24ab676SJeff Bonwick */ 1630b24ab676SJeff Bonwick ztest_bt_generate(bt, os, lr->lr_foid, offset, gen, txg, crtxg); 1631b24ab676SJeff Bonwick } 1632b24ab676SJeff Bonwick 1633b24ab676SJeff Bonwick if (abuf == NULL) { 1634b24ab676SJeff Bonwick dmu_write(os, lr->lr_foid, offset, length, data, tx); 1635b24ab676SJeff Bonwick } else { 1636b24ab676SJeff Bonwick bcopy(data, abuf->b_data, length); 1637b24ab676SJeff Bonwick dmu_assign_arcbuf(db, offset, abuf, tx); 1638b24ab676SJeff Bonwick } 1639b24ab676SJeff Bonwick 1640b24ab676SJeff Bonwick (void) ztest_log_write(zd, tx, lr); 1641b24ab676SJeff Bonwick 1642b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1643b24ab676SJeff Bonwick 1644b24ab676SJeff Bonwick dmu_tx_commit(tx); 1645b24ab676SJeff Bonwick 1646b24ab676SJeff Bonwick ztest_range_unlock(rl); 1647b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1648b24ab676SJeff Bonwick 1649b24ab676SJeff Bonwick return (0); 1650b24ab676SJeff Bonwick } 1651b24ab676SJeff Bonwick 1652b24ab676SJeff Bonwick static int 1653b24ab676SJeff Bonwick ztest_replay_truncate(ztest_ds_t *zd, lr_truncate_t *lr, boolean_t byteswap) 1654b24ab676SJeff Bonwick { 1655b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1656b24ab676SJeff Bonwick dmu_tx_t *tx; 1657b24ab676SJeff Bonwick uint64_t txg; 1658b24ab676SJeff Bonwick rl_t *rl; 1659b24ab676SJeff Bonwick 1660b24ab676SJeff Bonwick if (byteswap) 1661b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1662b24ab676SJeff Bonwick 1663b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1664b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, lr->lr_offset, lr->lr_length, 1665b24ab676SJeff Bonwick RL_WRITER); 1666b24ab676SJeff Bonwick 1667b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1668b24ab676SJeff Bonwick 1669b24ab676SJeff Bonwick dmu_tx_hold_free(tx, lr->lr_foid, lr->lr_offset, lr->lr_length); 1670b24ab676SJeff Bonwick 1671b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1672b24ab676SJeff Bonwick if (txg == 0) { 1673b24ab676SJeff Bonwick ztest_range_unlock(rl); 1674b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1675b24ab676SJeff Bonwick return (ENOSPC); 1676b24ab676SJeff Bonwick } 1677b24ab676SJeff Bonwick 1678b24ab676SJeff Bonwick VERIFY(dmu_free_range(os, lr->lr_foid, lr->lr_offset, 1679b24ab676SJeff Bonwick lr->lr_length, tx) == 0); 1680b24ab676SJeff Bonwick 1681b24ab676SJeff Bonwick (void) ztest_log_truncate(zd, tx, lr); 1682b24ab676SJeff Bonwick 1683b24ab676SJeff Bonwick dmu_tx_commit(tx); 1684b24ab676SJeff Bonwick 1685b24ab676SJeff Bonwick ztest_range_unlock(rl); 1686b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1687b24ab676SJeff Bonwick 1688b24ab676SJeff Bonwick return (0); 1689b24ab676SJeff Bonwick } 1690b24ab676SJeff Bonwick 1691b24ab676SJeff Bonwick static int 1692b24ab676SJeff Bonwick ztest_replay_setattr(ztest_ds_t *zd, lr_setattr_t *lr, boolean_t byteswap) 1693b24ab676SJeff Bonwick { 1694b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1695b24ab676SJeff Bonwick dmu_tx_t *tx; 1696b24ab676SJeff Bonwick dmu_buf_t *db; 1697b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1698b24ab676SJeff Bonwick uint64_t txg, lrtxg, crtxg; 1699b24ab676SJeff Bonwick 1700b24ab676SJeff Bonwick if (byteswap) 1701b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1702b24ab676SJeff Bonwick 1703b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_WRITER); 1704b24ab676SJeff Bonwick 1705b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1706b24ab676SJeff Bonwick 1707b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1708b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, lr->lr_foid); 1709b24ab676SJeff Bonwick 1710b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1711b24ab676SJeff Bonwick if (txg == 0) { 1712b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1713b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1714b24ab676SJeff Bonwick return (ENOSPC); 1715b24ab676SJeff Bonwick } 1716b24ab676SJeff Bonwick 1717b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1718b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1719b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1720b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1721b24ab676SJeff Bonwick 1722b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1723b24ab676SJeff Bonwick ASSERT(lr->lr_size != 0); 1724b24ab676SJeff Bonwick ASSERT(lr->lr_mode != 0); 1725b24ab676SJeff Bonwick ASSERT(lrtxg != 0); 1726b24ab676SJeff Bonwick } else { 1727b24ab676SJeff Bonwick /* 1728b24ab676SJeff Bonwick * Randomly change the size and increment the generation. 1729b24ab676SJeff Bonwick */ 1730b24ab676SJeff Bonwick lr->lr_size = (ztest_random(db->db_size / sizeof (*bbt)) + 1) * 1731b24ab676SJeff Bonwick sizeof (*bbt); 1732b24ab676SJeff Bonwick lr->lr_mode = bbt->bt_gen + 1; 1733b24ab676SJeff Bonwick ASSERT(lrtxg == 0); 1734b24ab676SJeff Bonwick } 1735b24ab676SJeff Bonwick 1736b24ab676SJeff Bonwick /* 1737b24ab676SJeff Bonwick * Verify that the current bonus buffer is not newer than our txg. 1738b24ab676SJeff Bonwick */ 1739b24ab676SJeff Bonwick ztest_bt_verify(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, 1740b24ab676SJeff Bonwick MAX(txg, lrtxg), crtxg); 1741b24ab676SJeff Bonwick 1742b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1743b24ab676SJeff Bonwick 1744b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, >=, sizeof (*bbt)); 1745b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, <=, db->db_size); 1746fb09f5aaSMadhav Suresh VERIFY0(dmu_set_bonus(db, lr->lr_size, tx)); 1747b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1748b24ab676SJeff Bonwick 1749b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, txg, crtxg); 1750b24ab676SJeff Bonwick 1751b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1752b24ab676SJeff Bonwick 1753b24ab676SJeff Bonwick (void) ztest_log_setattr(zd, tx, lr); 1754b24ab676SJeff Bonwick 1755b24ab676SJeff Bonwick dmu_tx_commit(tx); 1756b24ab676SJeff Bonwick 1757b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1758b24ab676SJeff Bonwick 1759b24ab676SJeff Bonwick return (0); 1760b24ab676SJeff Bonwick } 1761b24ab676SJeff Bonwick 1762b24ab676SJeff Bonwick zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 1763b24ab676SJeff Bonwick NULL, /* 0 no such transaction type */ 1764b24ab676SJeff Bonwick ztest_replay_create, /* TX_CREATE */ 1765b24ab676SJeff Bonwick NULL, /* TX_MKDIR */ 1766b24ab676SJeff Bonwick NULL, /* TX_MKXATTR */ 1767b24ab676SJeff Bonwick NULL, /* TX_SYMLINK */ 1768b24ab676SJeff Bonwick ztest_replay_remove, /* TX_REMOVE */ 1769b24ab676SJeff Bonwick NULL, /* TX_RMDIR */ 1770b24ab676SJeff Bonwick NULL, /* TX_LINK */ 1771b24ab676SJeff Bonwick NULL, /* TX_RENAME */ 1772b24ab676SJeff Bonwick ztest_replay_write, /* TX_WRITE */ 1773b24ab676SJeff Bonwick ztest_replay_truncate, /* TX_TRUNCATE */ 1774b24ab676SJeff Bonwick ztest_replay_setattr, /* TX_SETATTR */ 1775b24ab676SJeff Bonwick NULL, /* TX_ACL */ 1776b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL */ 1777b24ab676SJeff Bonwick NULL, /* TX_CREATE_ATTR */ 1778b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL_ATTR */ 1779b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL */ 1780b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ATTR */ 1781b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL_ATTR */ 1782b24ab676SJeff Bonwick NULL, /* TX_WRITE2 */ 1783b24ab676SJeff Bonwick }; 1784b24ab676SJeff Bonwick 1785b24ab676SJeff Bonwick /* 1786b24ab676SJeff Bonwick * ZIL get_data callbacks 1787b24ab676SJeff Bonwick */ 1788b24ab676SJeff Bonwick 1789b24ab676SJeff Bonwick static void 1790b24ab676SJeff Bonwick ztest_get_done(zgd_t *zgd, int error) 1791b24ab676SJeff Bonwick { 1792b24ab676SJeff Bonwick ztest_ds_t *zd = zgd->zgd_private; 1793b24ab676SJeff Bonwick uint64_t object = zgd->zgd_rl->rl_object; 1794b24ab676SJeff Bonwick 1795b24ab676SJeff Bonwick if (zgd->zgd_db) 1796b24ab676SJeff Bonwick dmu_buf_rele(zgd->zgd_db, zgd); 1797b24ab676SJeff Bonwick 1798b24ab676SJeff Bonwick ztest_range_unlock(zgd->zgd_rl); 1799b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1800b24ab676SJeff Bonwick 1801b24ab676SJeff Bonwick if (error == 0 && zgd->zgd_bp) 1802b24ab676SJeff Bonwick zil_add_block(zgd->zgd_zilog, zgd->zgd_bp); 1803b24ab676SJeff Bonwick 1804b24ab676SJeff Bonwick umem_free(zgd, sizeof (*zgd)); 1805b24ab676SJeff Bonwick } 1806b24ab676SJeff Bonwick 1807b24ab676SJeff Bonwick static int 1808b24ab676SJeff Bonwick ztest_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio) 1809b24ab676SJeff Bonwick { 1810b24ab676SJeff Bonwick ztest_ds_t *zd = arg; 1811b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1812b24ab676SJeff Bonwick uint64_t object = lr->lr_foid; 1813b24ab676SJeff Bonwick uint64_t offset = lr->lr_offset; 1814b24ab676SJeff Bonwick uint64_t size = lr->lr_length; 1815b24ab676SJeff Bonwick blkptr_t *bp = &lr->lr_blkptr; 1816b24ab676SJeff Bonwick uint64_t txg = lr->lr_common.lrc_txg; 1817b24ab676SJeff Bonwick uint64_t crtxg; 1818b24ab676SJeff Bonwick dmu_object_info_t doi; 1819b24ab676SJeff Bonwick dmu_buf_t *db; 1820b24ab676SJeff Bonwick zgd_t *zgd; 1821b24ab676SJeff Bonwick int error; 1822b24ab676SJeff Bonwick 1823b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 1824b24ab676SJeff Bonwick error = dmu_bonus_hold(os, object, FTAG, &db); 1825b24ab676SJeff Bonwick if (error) { 1826b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1827b24ab676SJeff Bonwick return (error); 1828b24ab676SJeff Bonwick } 1829b24ab676SJeff Bonwick 1830b24ab676SJeff Bonwick crtxg = ztest_bt_bonus(db)->bt_crtxg; 1831b24ab676SJeff Bonwick 1832b24ab676SJeff Bonwick if (crtxg == 0 || crtxg > txg) { 1833b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1834b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1835b24ab676SJeff Bonwick return (ENOENT); 1836b24ab676SJeff Bonwick } 1837b24ab676SJeff Bonwick 1838b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1839b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1840b24ab676SJeff Bonwick db = NULL; 1841b24ab676SJeff Bonwick 1842b24ab676SJeff Bonwick zgd = umem_zalloc(sizeof (*zgd), UMEM_NOFAIL); 1843b24ab676SJeff Bonwick zgd->zgd_zilog = zd->zd_zilog; 1844b24ab676SJeff Bonwick zgd->zgd_private = zd; 1845b24ab676SJeff Bonwick 1846b24ab676SJeff Bonwick if (buf != NULL) { /* immediate write */ 1847b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1848b24ab676SJeff Bonwick RL_READER); 1849b24ab676SJeff Bonwick 1850b24ab676SJeff Bonwick error = dmu_read(os, object, offset, size, buf, 1851b24ab676SJeff Bonwick DMU_READ_NO_PREFETCH); 1852b24ab676SJeff Bonwick ASSERT(error == 0); 1853b24ab676SJeff Bonwick } else { 1854b24ab676SJeff Bonwick size = doi.doi_data_block_size; 1855dfe73b3dSJeff Bonwick if (ISP2(size)) { 1856b24ab676SJeff Bonwick offset = P2ALIGN(offset, size); 1857dfe73b3dSJeff Bonwick } else { 1858dfe73b3dSJeff Bonwick ASSERT(offset < size); 1859dfe73b3dSJeff Bonwick offset = 0; 1860dfe73b3dSJeff Bonwick } 1861b24ab676SJeff Bonwick 1862b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1863b24ab676SJeff Bonwick RL_READER); 1864b24ab676SJeff Bonwick 186547cb52daSJeff Bonwick error = dmu_buf_hold(os, object, offset, zgd, &db, 186647cb52daSJeff Bonwick DMU_READ_NO_PREFETCH); 1867b24ab676SJeff Bonwick 1868b24ab676SJeff Bonwick if (error == 0) { 1869*80901aeaSGeorge Wilson blkptr_t *obp = dmu_buf_get_blkptr(db); 1870*80901aeaSGeorge Wilson if (obp) { 1871*80901aeaSGeorge Wilson ASSERT(BP_IS_HOLE(bp)); 1872*80901aeaSGeorge Wilson *bp = *obp; 1873*80901aeaSGeorge Wilson } 1874*80901aeaSGeorge Wilson 1875b24ab676SJeff Bonwick zgd->zgd_db = db; 1876b24ab676SJeff Bonwick zgd->zgd_bp = bp; 1877b24ab676SJeff Bonwick 1878b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 1879b24ab676SJeff Bonwick ASSERT(db->db_size == size); 1880b24ab676SJeff Bonwick 1881b24ab676SJeff Bonwick error = dmu_sync(zio, lr->lr_common.lrc_txg, 1882b24ab676SJeff Bonwick ztest_get_done, zgd); 1883b24ab676SJeff Bonwick 1884b24ab676SJeff Bonwick if (error == 0) 1885b24ab676SJeff Bonwick return (0); 1886b24ab676SJeff Bonwick } 1887b24ab676SJeff Bonwick } 1888b24ab676SJeff Bonwick 1889b24ab676SJeff Bonwick ztest_get_done(zgd, error); 1890b24ab676SJeff Bonwick 1891b24ab676SJeff Bonwick return (error); 1892b24ab676SJeff Bonwick } 1893b24ab676SJeff Bonwick 1894b24ab676SJeff Bonwick static void * 1895b24ab676SJeff Bonwick ztest_lr_alloc(size_t lrsize, char *name) 1896b24ab676SJeff Bonwick { 1897b24ab676SJeff Bonwick char *lr; 1898b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1899b24ab676SJeff Bonwick 1900b24ab676SJeff Bonwick lr = umem_zalloc(lrsize + namesize, UMEM_NOFAIL); 1901b24ab676SJeff Bonwick 1902b24ab676SJeff Bonwick if (name) 1903b24ab676SJeff Bonwick bcopy(name, lr + lrsize, namesize); 1904b24ab676SJeff Bonwick 1905b24ab676SJeff Bonwick return (lr); 1906b24ab676SJeff Bonwick } 1907b24ab676SJeff Bonwick 1908b24ab676SJeff Bonwick void 1909b24ab676SJeff Bonwick ztest_lr_free(void *lr, size_t lrsize, char *name) 1910b24ab676SJeff Bonwick { 1911b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1912b24ab676SJeff Bonwick 1913b24ab676SJeff Bonwick umem_free(lr, lrsize + namesize); 1914b24ab676SJeff Bonwick } 1915b24ab676SJeff Bonwick 1916b24ab676SJeff Bonwick /* 1917b24ab676SJeff Bonwick * Lookup a bunch of objects. Returns the number of objects not found. 1918b24ab676SJeff Bonwick */ 1919b24ab676SJeff Bonwick static int 1920b24ab676SJeff Bonwick ztest_lookup(ztest_ds_t *zd, ztest_od_t *od, int count) 1921b24ab676SJeff Bonwick { 1922b24ab676SJeff Bonwick int missing = 0; 1923b24ab676SJeff Bonwick int error; 1924b24ab676SJeff Bonwick 1925b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1926b24ab676SJeff Bonwick 1927b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1928b24ab676SJeff Bonwick od->od_object = 0; 1929b24ab676SJeff Bonwick error = zap_lookup(zd->zd_os, od->od_dir, od->od_name, 1930b24ab676SJeff Bonwick sizeof (uint64_t), 1, &od->od_object); 1931b24ab676SJeff Bonwick if (error) { 1932b24ab676SJeff Bonwick ASSERT(error == ENOENT); 1933b24ab676SJeff Bonwick ASSERT(od->od_object == 0); 1934b24ab676SJeff Bonwick missing++; 1935b24ab676SJeff Bonwick } else { 1936b24ab676SJeff Bonwick dmu_buf_t *db; 1937b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1938b24ab676SJeff Bonwick dmu_object_info_t doi; 1939b24ab676SJeff Bonwick 1940b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1941b24ab676SJeff Bonwick ASSERT(missing == 0); /* there should be no gaps */ 1942b24ab676SJeff Bonwick 1943b24ab676SJeff Bonwick ztest_object_lock(zd, od->od_object, RL_READER); 1944b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(zd->zd_os, 1945b24ab676SJeff Bonwick od->od_object, FTAG, &db)); 1946b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1947b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1948b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1949b24ab676SJeff Bonwick od->od_type = doi.doi_type; 1950b24ab676SJeff Bonwick od->od_blocksize = doi.doi_data_block_size; 1951b24ab676SJeff Bonwick od->od_gen = bbt->bt_gen; 1952b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1953b24ab676SJeff Bonwick ztest_object_unlock(zd, od->od_object); 1954b24ab676SJeff Bonwick } 1955b24ab676SJeff Bonwick } 1956b24ab676SJeff Bonwick 1957b24ab676SJeff Bonwick return (missing); 1958b24ab676SJeff Bonwick } 1959b24ab676SJeff Bonwick 1960b24ab676SJeff Bonwick static int 1961b24ab676SJeff Bonwick ztest_create(ztest_ds_t *zd, ztest_od_t *od, int count) 1962b24ab676SJeff Bonwick { 1963b24ab676SJeff Bonwick int missing = 0; 1964b24ab676SJeff Bonwick 1965b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1966b24ab676SJeff Bonwick 1967b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1968b24ab676SJeff Bonwick if (missing) { 1969b24ab676SJeff Bonwick od->od_object = 0; 1970b24ab676SJeff Bonwick missing++; 1971b24ab676SJeff Bonwick continue; 1972b24ab676SJeff Bonwick } 1973b24ab676SJeff Bonwick 1974b24ab676SJeff Bonwick lr_create_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1975b24ab676SJeff Bonwick 1976b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1977b24ab676SJeff Bonwick lr->lr_foid = 0; /* 0 to allocate, > 0 to claim */ 1978b24ab676SJeff Bonwick lr->lrz_type = od->od_crtype; 1979b24ab676SJeff Bonwick lr->lrz_blocksize = od->od_crblocksize; 1980b24ab676SJeff Bonwick lr->lrz_ibshift = ztest_random_ibshift(); 1981b24ab676SJeff Bonwick lr->lrz_bonustype = DMU_OT_UINT64_OTHER; 1982b24ab676SJeff Bonwick lr->lrz_bonuslen = dmu_bonus_max(); 1983b24ab676SJeff Bonwick lr->lr_gen = od->od_crgen; 1984b24ab676SJeff Bonwick lr->lr_crtime[0] = time(NULL); 1985b24ab676SJeff Bonwick 1986b24ab676SJeff Bonwick if (ztest_replay_create(zd, lr, B_FALSE) != 0) { 1987b24ab676SJeff Bonwick ASSERT(missing == 0); 1988b24ab676SJeff Bonwick od->od_object = 0; 1989b24ab676SJeff Bonwick missing++; 1990b24ab676SJeff Bonwick } else { 1991b24ab676SJeff Bonwick od->od_object = lr->lr_foid; 1992b24ab676SJeff Bonwick od->od_type = od->od_crtype; 1993b24ab676SJeff Bonwick od->od_blocksize = od->od_crblocksize; 1994b24ab676SJeff Bonwick od->od_gen = od->od_crgen; 1995b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1996b24ab676SJeff Bonwick } 1997b24ab676SJeff Bonwick 1998b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1999b24ab676SJeff Bonwick } 2000b24ab676SJeff Bonwick 2001b24ab676SJeff Bonwick return (missing); 2002b24ab676SJeff Bonwick } 2003b24ab676SJeff Bonwick 2004b24ab676SJeff Bonwick static int 2005b24ab676SJeff Bonwick ztest_remove(ztest_ds_t *zd, ztest_od_t *od, int count) 2006b24ab676SJeff Bonwick { 2007b24ab676SJeff Bonwick int missing = 0; 2008b24ab676SJeff Bonwick int error; 2009b24ab676SJeff Bonwick 2010b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 2011b24ab676SJeff Bonwick 2012b24ab676SJeff Bonwick od += count - 1; 2013b24ab676SJeff Bonwick 2014b24ab676SJeff Bonwick for (int i = count - 1; i >= 0; i--, od--) { 2015b24ab676SJeff Bonwick if (missing) { 2016b24ab676SJeff Bonwick missing++; 2017b24ab676SJeff Bonwick continue; 2018b24ab676SJeff Bonwick } 2019b24ab676SJeff Bonwick 2020*80901aeaSGeorge Wilson /* 2021*80901aeaSGeorge Wilson * No object was found. 2022*80901aeaSGeorge Wilson */ 2023b24ab676SJeff Bonwick if (od->od_object == 0) 2024b24ab676SJeff Bonwick continue; 2025b24ab676SJeff Bonwick 2026b24ab676SJeff Bonwick lr_remove_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 2027b24ab676SJeff Bonwick 2028b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 2029b24ab676SJeff Bonwick 2030b24ab676SJeff Bonwick if ((error = ztest_replay_remove(zd, lr, B_FALSE)) != 0) { 2031b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 2032b24ab676SJeff Bonwick missing++; 2033b24ab676SJeff Bonwick } else { 2034b24ab676SJeff Bonwick od->od_object = 0; 2035b24ab676SJeff Bonwick } 2036b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 2037b24ab676SJeff Bonwick } 2038b24ab676SJeff Bonwick 2039b24ab676SJeff Bonwick return (missing); 2040b24ab676SJeff Bonwick } 2041b24ab676SJeff Bonwick 2042b24ab676SJeff Bonwick static int 2043b24ab676SJeff Bonwick ztest_write(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size, 2044b24ab676SJeff Bonwick void *data) 2045b24ab676SJeff Bonwick { 2046b24ab676SJeff Bonwick lr_write_t *lr; 2047b24ab676SJeff Bonwick int error; 2048b24ab676SJeff Bonwick 2049b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr) + size, NULL); 2050b24ab676SJeff Bonwick 2051b24ab676SJeff Bonwick lr->lr_foid = object; 2052b24ab676SJeff Bonwick lr->lr_offset = offset; 2053b24ab676SJeff Bonwick lr->lr_length = size; 2054b24ab676SJeff Bonwick lr->lr_blkoff = 0; 2055b24ab676SJeff Bonwick BP_ZERO(&lr->lr_blkptr); 2056b24ab676SJeff Bonwick 2057b24ab676SJeff Bonwick bcopy(data, lr + 1, size); 2058b24ab676SJeff Bonwick 2059b24ab676SJeff Bonwick error = ztest_replay_write(zd, lr, B_FALSE); 2060b24ab676SJeff Bonwick 2061b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr) + size, NULL); 2062b24ab676SJeff Bonwick 2063b24ab676SJeff Bonwick return (error); 2064b24ab676SJeff Bonwick } 2065b24ab676SJeff Bonwick 2066b24ab676SJeff Bonwick static int 2067b24ab676SJeff Bonwick ztest_truncate(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 2068b24ab676SJeff Bonwick { 2069b24ab676SJeff Bonwick lr_truncate_t *lr; 2070b24ab676SJeff Bonwick int error; 2071b24ab676SJeff Bonwick 2072b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 2073b24ab676SJeff Bonwick 2074b24ab676SJeff Bonwick lr->lr_foid = object; 2075b24ab676SJeff Bonwick lr->lr_offset = offset; 2076b24ab676SJeff Bonwick lr->lr_length = size; 2077b24ab676SJeff Bonwick 2078b24ab676SJeff Bonwick error = ztest_replay_truncate(zd, lr, B_FALSE); 2079b24ab676SJeff Bonwick 2080b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 2081b24ab676SJeff Bonwick 2082b24ab676SJeff Bonwick return (error); 2083b24ab676SJeff Bonwick } 2084b24ab676SJeff Bonwick 2085b24ab676SJeff Bonwick static int 2086b24ab676SJeff Bonwick ztest_setattr(ztest_ds_t *zd, uint64_t object) 2087b24ab676SJeff Bonwick { 2088b24ab676SJeff Bonwick lr_setattr_t *lr; 2089b24ab676SJeff Bonwick int error; 2090b24ab676SJeff Bonwick 2091b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 2092b24ab676SJeff Bonwick 2093b24ab676SJeff Bonwick lr->lr_foid = object; 2094b24ab676SJeff Bonwick lr->lr_size = 0; 2095b24ab676SJeff Bonwick lr->lr_mode = 0; 2096b24ab676SJeff Bonwick 2097b24ab676SJeff Bonwick error = ztest_replay_setattr(zd, lr, B_FALSE); 2098b24ab676SJeff Bonwick 2099b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 2100b24ab676SJeff Bonwick 2101b24ab676SJeff Bonwick return (error); 2102b24ab676SJeff Bonwick } 2103b24ab676SJeff Bonwick 2104b24ab676SJeff Bonwick static void 2105b24ab676SJeff Bonwick ztest_prealloc(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 2106b24ab676SJeff Bonwick { 2107b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 2108b24ab676SJeff Bonwick dmu_tx_t *tx; 2109b24ab676SJeff Bonwick uint64_t txg; 2110b24ab676SJeff Bonwick rl_t *rl; 2111b24ab676SJeff Bonwick 2112b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 2113b24ab676SJeff Bonwick 2114b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 2115b24ab676SJeff Bonwick rl = ztest_range_lock(zd, object, offset, size, RL_WRITER); 2116b24ab676SJeff Bonwick 2117b24ab676SJeff Bonwick tx = dmu_tx_create(os); 2118b24ab676SJeff Bonwick 2119b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, offset, size); 2120b24ab676SJeff Bonwick 2121b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 2122b24ab676SJeff Bonwick 2123b24ab676SJeff Bonwick if (txg != 0) { 2124b24ab676SJeff Bonwick dmu_prealloc(os, object, offset, size, tx); 2125b24ab676SJeff Bonwick dmu_tx_commit(tx); 2126b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 2127b24ab676SJeff Bonwick } else { 2128b24ab676SJeff Bonwick (void) dmu_free_long_range(os, object, offset, size); 2129b24ab676SJeff Bonwick } 2130b24ab676SJeff Bonwick 2131b24ab676SJeff Bonwick ztest_range_unlock(rl); 2132b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 2133b24ab676SJeff Bonwick } 2134b24ab676SJeff Bonwick 2135b24ab676SJeff Bonwick static void 2136b24ab676SJeff Bonwick ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t offset) 2137b24ab676SJeff Bonwick { 2138*80901aeaSGeorge Wilson int err; 2139b24ab676SJeff Bonwick ztest_block_tag_t wbt; 2140b24ab676SJeff Bonwick dmu_object_info_t doi; 2141b24ab676SJeff Bonwick enum ztest_io_type io_type; 2142b24ab676SJeff Bonwick uint64_t blocksize; 2143b24ab676SJeff Bonwick void *data; 2144b24ab676SJeff Bonwick 2145b24ab676SJeff Bonwick VERIFY(dmu_object_info(zd->zd_os, object, &doi) == 0); 2146b24ab676SJeff Bonwick blocksize = doi.doi_data_block_size; 2147b24ab676SJeff Bonwick data = umem_alloc(blocksize, UMEM_NOFAIL); 2148b24ab676SJeff Bonwick 2149b24ab676SJeff Bonwick /* 2150b24ab676SJeff Bonwick * Pick an i/o type at random, biased toward writing block tags. 2151b24ab676SJeff Bonwick */ 2152b24ab676SJeff Bonwick io_type = ztest_random(ZTEST_IO_TYPES); 2153b24ab676SJeff Bonwick if (ztest_random(2) == 0) 2154b24ab676SJeff Bonwick io_type = ZTEST_IO_WRITE_TAG; 2155b24ab676SJeff Bonwick 2156c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2157c9ba2a43SEric Schrock 2158b24ab676SJeff Bonwick switch (io_type) { 2159b24ab676SJeff Bonwick 2160b24ab676SJeff Bonwick case ZTEST_IO_WRITE_TAG: 2161b24ab676SJeff Bonwick ztest_bt_generate(&wbt, zd->zd_os, object, offset, 0, 0, 0); 2162b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, sizeof (wbt), &wbt); 2163b24ab676SJeff Bonwick break; 2164b24ab676SJeff Bonwick 2165b24ab676SJeff Bonwick case ZTEST_IO_WRITE_PATTERN: 2166b24ab676SJeff Bonwick (void) memset(data, 'a' + (object + offset) % 5, blocksize); 2167b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 2168b24ab676SJeff Bonwick /* 2169b24ab676SJeff Bonwick * Induce fletcher2 collisions to ensure that 2170b24ab676SJeff Bonwick * zio_ddt_collision() detects and resolves them 2171b24ab676SJeff Bonwick * when using fletcher2-verify for deduplication. 2172b24ab676SJeff Bonwick */ 2173b24ab676SJeff Bonwick ((uint64_t *)data)[0] ^= 1ULL << 63; 2174b24ab676SJeff Bonwick ((uint64_t *)data)[4] ^= 1ULL << 63; 2175b24ab676SJeff Bonwick } 2176b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 2177b24ab676SJeff Bonwick break; 2178b24ab676SJeff Bonwick 2179b24ab676SJeff Bonwick case ZTEST_IO_WRITE_ZEROES: 2180b24ab676SJeff Bonwick bzero(data, blocksize); 2181b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 2182b24ab676SJeff Bonwick break; 2183b24ab676SJeff Bonwick 2184b24ab676SJeff Bonwick case ZTEST_IO_TRUNCATE: 2185b24ab676SJeff Bonwick (void) ztest_truncate(zd, object, offset, blocksize); 2186b24ab676SJeff Bonwick break; 2187b24ab676SJeff Bonwick 2188b24ab676SJeff Bonwick case ZTEST_IO_SETATTR: 2189b24ab676SJeff Bonwick (void) ztest_setattr(zd, object); 2190b24ab676SJeff Bonwick break; 2191*80901aeaSGeorge Wilson 2192*80901aeaSGeorge Wilson case ZTEST_IO_REWRITE: 2193*80901aeaSGeorge Wilson (void) rw_rdlock(&ztest_name_lock); 2194*80901aeaSGeorge Wilson err = ztest_dsl_prop_set_uint64(zd->zd_name, 2195*80901aeaSGeorge Wilson ZFS_PROP_CHECKSUM, spa_dedup_checksum(ztest_spa), 2196*80901aeaSGeorge Wilson B_FALSE); 2197*80901aeaSGeorge Wilson VERIFY(err == 0 || err == ENOSPC); 2198*80901aeaSGeorge Wilson err = ztest_dsl_prop_set_uint64(zd->zd_name, 2199*80901aeaSGeorge Wilson ZFS_PROP_COMPRESSION, 2200*80901aeaSGeorge Wilson ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), 2201*80901aeaSGeorge Wilson B_FALSE); 2202*80901aeaSGeorge Wilson VERIFY(err == 0 || err == ENOSPC); 2203*80901aeaSGeorge Wilson (void) rw_unlock(&ztest_name_lock); 2204*80901aeaSGeorge Wilson 2205*80901aeaSGeorge Wilson VERIFY0(dmu_read(zd->zd_os, object, offset, blocksize, data, 2206*80901aeaSGeorge Wilson DMU_READ_NO_PREFETCH)); 2207*80901aeaSGeorge Wilson 2208*80901aeaSGeorge Wilson (void) ztest_write(zd, object, offset, blocksize, data); 2209*80901aeaSGeorge Wilson break; 2210b24ab676SJeff Bonwick } 2211b24ab676SJeff Bonwick 2212c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2213c9ba2a43SEric Schrock 2214b24ab676SJeff Bonwick umem_free(data, blocksize); 2215b24ab676SJeff Bonwick } 2216b24ab676SJeff Bonwick 2217b24ab676SJeff Bonwick /* 2218b24ab676SJeff Bonwick * Initialize an object description template. 2219b24ab676SJeff Bonwick */ 2220b24ab676SJeff Bonwick static void 2221b24ab676SJeff Bonwick ztest_od_init(ztest_od_t *od, uint64_t id, char *tag, uint64_t index, 2222b24ab676SJeff Bonwick dmu_object_type_t type, uint64_t blocksize, uint64_t gen) 2223b24ab676SJeff Bonwick { 2224b24ab676SJeff Bonwick od->od_dir = ZTEST_DIROBJ; 2225b24ab676SJeff Bonwick od->od_object = 0; 2226b24ab676SJeff Bonwick 2227b24ab676SJeff Bonwick od->od_crtype = type; 2228b24ab676SJeff Bonwick od->od_crblocksize = blocksize ? blocksize : ztest_random_blocksize(); 2229b24ab676SJeff Bonwick od->od_crgen = gen; 2230b24ab676SJeff Bonwick 2231b24ab676SJeff Bonwick od->od_type = DMU_OT_NONE; 2232b24ab676SJeff Bonwick od->od_blocksize = 0; 2233b24ab676SJeff Bonwick od->od_gen = 0; 2234b24ab676SJeff Bonwick 2235b24ab676SJeff Bonwick (void) snprintf(od->od_name, sizeof (od->od_name), "%s(%lld)[%llu]", 2236b24ab676SJeff Bonwick tag, (int64_t)id, index); 2237b24ab676SJeff Bonwick } 2238b24ab676SJeff Bonwick 2239b24ab676SJeff Bonwick /* 2240b24ab676SJeff Bonwick * Lookup or create the objects for a test using the od template. 2241b24ab676SJeff Bonwick * If the objects do not all exist, or if 'remove' is specified, 2242b24ab676SJeff Bonwick * remove any existing objects and create new ones. Otherwise, 2243b24ab676SJeff Bonwick * use the existing objects. 2244b24ab676SJeff Bonwick */ 2245b24ab676SJeff Bonwick static int 2246b24ab676SJeff Bonwick ztest_object_init(ztest_ds_t *zd, ztest_od_t *od, size_t size, boolean_t remove) 2247b24ab676SJeff Bonwick { 2248b24ab676SJeff Bonwick int count = size / sizeof (*od); 2249b24ab676SJeff Bonwick int rv = 0; 2250b24ab676SJeff Bonwick 2251b24ab676SJeff Bonwick VERIFY(mutex_lock(&zd->zd_dirobj_lock) == 0); 2252b24ab676SJeff Bonwick if ((ztest_lookup(zd, od, count) != 0 || remove) && 2253b24ab676SJeff Bonwick (ztest_remove(zd, od, count) != 0 || 2254b24ab676SJeff Bonwick ztest_create(zd, od, count) != 0)) 2255b24ab676SJeff Bonwick rv = -1; 2256b24ab676SJeff Bonwick zd->zd_od = od; 2257b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2258b24ab676SJeff Bonwick 2259b24ab676SJeff Bonwick return (rv); 2260b24ab676SJeff Bonwick } 2261b24ab676SJeff Bonwick 2262b24ab676SJeff Bonwick /* ARGSUSED */ 2263b24ab676SJeff Bonwick void 2264b24ab676SJeff Bonwick ztest_zil_commit(ztest_ds_t *zd, uint64_t id) 2265b24ab676SJeff Bonwick { 2266b24ab676SJeff Bonwick zilog_t *zilog = zd->zd_zilog; 2267b24ab676SJeff Bonwick 2268c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2269c9ba2a43SEric Schrock 22705002558fSNeil Perrin zil_commit(zilog, ztest_random(ZTEST_OBJECTS)); 2271b24ab676SJeff Bonwick 2272b24ab676SJeff Bonwick /* 2273b24ab676SJeff Bonwick * Remember the committed values in zd, which is in parent/child 2274b24ab676SJeff Bonwick * shared memory. If we die, the next iteration of ztest_run() 2275b24ab676SJeff Bonwick * will verify that the log really does contain this record. 2276b24ab676SJeff Bonwick */ 2277b24ab676SJeff Bonwick mutex_enter(&zilog->zl_lock); 2278420dfc95SChris Siden ASSERT(zd->zd_shared != NULL); 2279420dfc95SChris Siden ASSERT3U(zd->zd_shared->zd_seq, <=, zilog->zl_commit_lr_seq); 2280420dfc95SChris Siden zd->zd_shared->zd_seq = zilog->zl_commit_lr_seq; 2281b24ab676SJeff Bonwick mutex_exit(&zilog->zl_lock); 2282c9ba2a43SEric Schrock 2283c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2284c9ba2a43SEric Schrock } 2285c9ba2a43SEric Schrock 2286c9ba2a43SEric Schrock /* 2287c9ba2a43SEric Schrock * This function is designed to simulate the operations that occur during a 2288c9ba2a43SEric Schrock * mount/unmount operation. We hold the dataset across these operations in an 2289c9ba2a43SEric Schrock * attempt to expose any implicit assumptions about ZIL management. 2290c9ba2a43SEric Schrock */ 2291c9ba2a43SEric Schrock /* ARGSUSED */ 2292c9ba2a43SEric Schrock void 2293c9ba2a43SEric Schrock ztest_zil_remount(ztest_ds_t *zd, uint64_t id) 2294c9ba2a43SEric Schrock { 2295c9ba2a43SEric Schrock objset_t *os = zd->zd_os; 2296c9ba2a43SEric Schrock 2297*80901aeaSGeorge Wilson /* 2298*80901aeaSGeorge Wilson * We grab the zd_dirobj_lock to ensure that no other thread is 2299*80901aeaSGeorge Wilson * updating the zil (i.e. adding in-memory log records) and the 2300*80901aeaSGeorge Wilson * zd_zilog_lock to block any I/O. 2301*80901aeaSGeorge Wilson */ 2302*80901aeaSGeorge Wilson VERIFY0(mutex_lock(&zd->zd_dirobj_lock)); 2303c9ba2a43SEric Schrock (void) rw_wrlock(&zd->zd_zilog_lock); 2304c9ba2a43SEric Schrock 2305c9ba2a43SEric Schrock /* zfsvfs_teardown() */ 2306c9ba2a43SEric Schrock zil_close(zd->zd_zilog); 2307c9ba2a43SEric Schrock 2308c9ba2a43SEric Schrock /* zfsvfs_setup() */ 2309c9ba2a43SEric Schrock VERIFY(zil_open(os, ztest_get_data) == zd->zd_zilog); 2310c9ba2a43SEric Schrock zil_replay(os, zd, ztest_replay_vector); 2311c9ba2a43SEric Schrock 2312c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2313ce636f8bSMatthew Ahrens VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2314b24ab676SJeff Bonwick } 2315b24ab676SJeff Bonwick 2316b24ab676SJeff Bonwick /* 2317b24ab676SJeff Bonwick * Verify that we can't destroy an active pool, create an existing pool, 2318b24ab676SJeff Bonwick * or create a pool with a bad vdev spec. 2319b24ab676SJeff Bonwick */ 2320b24ab676SJeff Bonwick /* ARGSUSED */ 2321b24ab676SJeff Bonwick void 2322b24ab676SJeff Bonwick ztest_spa_create_destroy(ztest_ds_t *zd, uint64_t id) 2323b24ab676SJeff Bonwick { 2324420dfc95SChris Siden ztest_shared_opts_t *zo = &ztest_opts; 2325b24ab676SJeff Bonwick spa_t *spa; 2326b24ab676SJeff Bonwick nvlist_t *nvroot; 2327b24ab676SJeff Bonwick 2328b24ab676SJeff Bonwick /* 2329b24ab676SJeff Bonwick * Attempt to create using a bad file. 2330b24ab676SJeff Bonwick */ 233125345e46SGeorge Wilson nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 0, 1); 2332b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 23334445fffbSMatthew Ahrens spa_create("ztest_bad_file", nvroot, NULL, NULL)); 2334b24ab676SJeff Bonwick nvlist_free(nvroot); 2335b24ab676SJeff Bonwick 2336b24ab676SJeff Bonwick /* 2337b24ab676SJeff Bonwick * Attempt to create using a bad mirror. 2338b24ab676SJeff Bonwick */ 233925345e46SGeorge Wilson nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 2, 1); 2340b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 23414445fffbSMatthew Ahrens spa_create("ztest_bad_mirror", nvroot, NULL, NULL)); 2342b24ab676SJeff Bonwick nvlist_free(nvroot); 2343b24ab676SJeff Bonwick 2344b24ab676SJeff Bonwick /* 2345b24ab676SJeff Bonwick * Attempt to create an existing pool. It shouldn't matter 2346b24ab676SJeff Bonwick * what's in the nvroot; we should fail with EEXIST. 2347b24ab676SJeff Bonwick */ 2348420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 234925345e46SGeorge Wilson nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 0, 1); 23504445fffbSMatthew Ahrens VERIFY3U(EEXIST, ==, spa_create(zo->zo_pool, nvroot, NULL, NULL)); 2351b24ab676SJeff Bonwick nvlist_free(nvroot); 2352b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(zo->zo_pool, &spa, FTAG)); 2353420dfc95SChris Siden VERIFY3U(EBUSY, ==, spa_destroy(zo->zo_pool)); 2354b24ab676SJeff Bonwick spa_close(spa, FTAG); 2355b24ab676SJeff Bonwick 2356420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 2357b24ab676SJeff Bonwick } 2358b24ab676SJeff Bonwick 235925345e46SGeorge Wilson /* ARGSUSED */ 236025345e46SGeorge Wilson void 236125345e46SGeorge Wilson ztest_spa_upgrade(ztest_ds_t *zd, uint64_t id) 236225345e46SGeorge Wilson { 236325345e46SGeorge Wilson spa_t *spa; 236425345e46SGeorge Wilson uint64_t initial_version = SPA_VERSION_INITIAL; 236525345e46SGeorge Wilson uint64_t version, newversion; 236625345e46SGeorge Wilson nvlist_t *nvroot, *props; 236725345e46SGeorge Wilson char *name; 236825345e46SGeorge Wilson 236925345e46SGeorge Wilson VERIFY0(mutex_lock(&ztest_vdev_lock)); 237025345e46SGeorge Wilson name = kmem_asprintf("%s_upgrade", ztest_opts.zo_pool); 237125345e46SGeorge Wilson 237225345e46SGeorge Wilson /* 237325345e46SGeorge Wilson * Clean up from previous runs. 237425345e46SGeorge Wilson */ 237525345e46SGeorge Wilson (void) spa_destroy(name); 237625345e46SGeorge Wilson 237725345e46SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, name, ztest_opts.zo_vdev_size, 0, 237825345e46SGeorge Wilson 0, ztest_opts.zo_raidz, ztest_opts.zo_mirrors, 1); 237925345e46SGeorge Wilson 238025345e46SGeorge Wilson /* 238125345e46SGeorge Wilson * If we're configuring a RAIDZ device then make sure that the 238225345e46SGeorge Wilson * the initial version is capable of supporting that feature. 238325345e46SGeorge Wilson */ 238425345e46SGeorge Wilson switch (ztest_opts.zo_raidz_parity) { 238525345e46SGeorge Wilson case 0: 238625345e46SGeorge Wilson case 1: 238725345e46SGeorge Wilson initial_version = SPA_VERSION_INITIAL; 238825345e46SGeorge Wilson break; 238925345e46SGeorge Wilson case 2: 239025345e46SGeorge Wilson initial_version = SPA_VERSION_RAIDZ2; 239125345e46SGeorge Wilson break; 239225345e46SGeorge Wilson case 3: 239325345e46SGeorge Wilson initial_version = SPA_VERSION_RAIDZ3; 239425345e46SGeorge Wilson break; 239525345e46SGeorge Wilson } 239625345e46SGeorge Wilson 239725345e46SGeorge Wilson /* 239825345e46SGeorge Wilson * Create a pool with a spa version that can be upgraded. Pick 239925345e46SGeorge Wilson * a value between initial_version and SPA_VERSION_BEFORE_FEATURES. 240025345e46SGeorge Wilson */ 240125345e46SGeorge Wilson do { 240225345e46SGeorge Wilson version = ztest_random_spa_version(initial_version); 240325345e46SGeorge Wilson } while (version > SPA_VERSION_BEFORE_FEATURES); 240425345e46SGeorge Wilson 240525345e46SGeorge Wilson props = fnvlist_alloc(); 240625345e46SGeorge Wilson fnvlist_add_uint64(props, 240725345e46SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_VERSION), version); 240825345e46SGeorge Wilson VERIFY0(spa_create(name, nvroot, props, NULL)); 240925345e46SGeorge Wilson fnvlist_free(nvroot); 241025345e46SGeorge Wilson fnvlist_free(props); 241125345e46SGeorge Wilson 241225345e46SGeorge Wilson VERIFY0(spa_open(name, &spa, FTAG)); 241325345e46SGeorge Wilson VERIFY3U(spa_version(spa), ==, version); 241425345e46SGeorge Wilson newversion = ztest_random_spa_version(version + 1); 241525345e46SGeorge Wilson 241625345e46SGeorge Wilson if (ztest_opts.zo_verbose >= 4) { 241725345e46SGeorge Wilson (void) printf("upgrading spa version from %llu to %llu\n", 241825345e46SGeorge Wilson (u_longlong_t)version, (u_longlong_t)newversion); 241925345e46SGeorge Wilson } 242025345e46SGeorge Wilson 242125345e46SGeorge Wilson spa_upgrade(spa, newversion); 242225345e46SGeorge Wilson VERIFY3U(spa_version(spa), >, version); 242325345e46SGeorge Wilson VERIFY3U(spa_version(spa), ==, fnvlist_lookup_uint64(spa->spa_config, 242425345e46SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_VERSION))); 242525345e46SGeorge Wilson spa_close(spa, FTAG); 242625345e46SGeorge Wilson 242725345e46SGeorge Wilson strfree(name); 242825345e46SGeorge Wilson VERIFY0(mutex_unlock(&ztest_vdev_lock)); 242925345e46SGeorge Wilson } 243025345e46SGeorge Wilson 2431b24ab676SJeff Bonwick static vdev_t * 2432b24ab676SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 2433b24ab676SJeff Bonwick { 2434b24ab676SJeff Bonwick vdev_t *mvd; 2435b24ab676SJeff Bonwick 2436b24ab676SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 2437b24ab676SJeff Bonwick return (vd); 2438b24ab676SJeff Bonwick 2439b24ab676SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 2440b24ab676SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 2441b24ab676SJeff Bonwick NULL) 2442b24ab676SJeff Bonwick return (mvd); 2443b24ab676SJeff Bonwick 2444b24ab676SJeff Bonwick return (NULL); 2445b24ab676SJeff Bonwick } 2446b24ab676SJeff Bonwick 2447b24ab676SJeff Bonwick /* 2448b24ab676SJeff Bonwick * Find the first available hole which can be used as a top-level. 2449b24ab676SJeff Bonwick */ 2450b24ab676SJeff Bonwick int 2451b24ab676SJeff Bonwick find_vdev_hole(spa_t *spa) 2452b24ab676SJeff Bonwick { 2453b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2454b24ab676SJeff Bonwick int c; 2455b24ab676SJeff Bonwick 2456b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_VDEV, RW_READER) == SCL_VDEV); 2457b24ab676SJeff Bonwick 2458b24ab676SJeff Bonwick for (c = 0; c < rvd->vdev_children; c++) { 2459b24ab676SJeff Bonwick vdev_t *cvd = rvd->vdev_child[c]; 2460b24ab676SJeff Bonwick 2461b24ab676SJeff Bonwick if (cvd->vdev_ishole) 2462b24ab676SJeff Bonwick break; 2463b24ab676SJeff Bonwick } 2464b24ab676SJeff Bonwick return (c); 2465b24ab676SJeff Bonwick } 2466b24ab676SJeff Bonwick 2467b24ab676SJeff Bonwick /* 2468b24ab676SJeff Bonwick * Verify that vdev_add() works as expected. 2469b24ab676SJeff Bonwick */ 2470b24ab676SJeff Bonwick /* ARGSUSED */ 2471b24ab676SJeff Bonwick void 2472b24ab676SJeff Bonwick ztest_vdev_add_remove(ztest_ds_t *zd, uint64_t id) 2473b24ab676SJeff Bonwick { 2474b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2475420dfc95SChris Siden spa_t *spa = ztest_spa; 24761195e687SMark J Musante uint64_t leaves; 2477b24ab676SJeff Bonwick uint64_t guid; 2478b24ab676SJeff Bonwick nvlist_t *nvroot; 2479b24ab676SJeff Bonwick int error; 2480b24ab676SJeff Bonwick 2481420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2482420dfc95SChris Siden leaves = 2483420dfc95SChris Siden 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 */ 3183b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_hold(name, 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 } 3191503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 3192fa9e4066Sahrens 3193fa9e4066Sahrens /* 3194fa9e4066Sahrens * Destroy the dataset. 3195fa9e4066Sahrens */ 3196b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_destroy(name, B_FALSE)); 31971d452cf5Sahrens return (0); 3198fa9e4066Sahrens } 3199fa9e4066Sahrens 3200b24ab676SJeff Bonwick static boolean_t 3201b24ab676SJeff Bonwick ztest_snapshot_create(char *osname, uint64_t id) 3202fa9e4066Sahrens { 3203b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 3204b24ab676SJeff Bonwick int error; 3205b24ab676SJeff Bonwick 3206b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 3207b24ab676SJeff Bonwick (u_longlong_t)id); 3208b24ab676SJeff Bonwick 32094445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, strchr(snapname, '@') + 1); 3210b24ab676SJeff Bonwick if (error == ENOSPC) { 3211b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3212b24ab676SJeff Bonwick return (B_FALSE); 3213b24ab676SJeff Bonwick } 3214b24ab676SJeff Bonwick if (error != 0 && error != EEXIST) 3215b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_create(%s) = %d", snapname, error); 3216b24ab676SJeff Bonwick return (B_TRUE); 3217b24ab676SJeff Bonwick } 3218b24ab676SJeff Bonwick 3219b24ab676SJeff Bonwick static boolean_t 3220b24ab676SJeff Bonwick ztest_snapshot_destroy(char *osname, uint64_t id) 3221b24ab676SJeff Bonwick { 3222b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 3223b24ab676SJeff Bonwick int error; 3224b24ab676SJeff Bonwick 3225b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 3226b24ab676SJeff Bonwick (u_longlong_t)id); 3227b24ab676SJeff Bonwick 3228b24ab676SJeff Bonwick error = dmu_objset_destroy(snapname, B_FALSE); 3229b24ab676SJeff Bonwick if (error != 0 && error != ENOENT) 3230b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_destroy(%s) = %d", snapname, error); 3231b24ab676SJeff Bonwick return (B_TRUE); 3232fa9e4066Sahrens } 3233fa9e4066Sahrens 3234b24ab676SJeff Bonwick /* ARGSUSED */ 3235fa9e4066Sahrens void 3236b24ab676SJeff Bonwick ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64_t id) 3237fa9e4066Sahrens { 3238b24ab676SJeff Bonwick ztest_ds_t zdtmp; 3239b24ab676SJeff Bonwick int iters; 3240fa9e4066Sahrens int error; 3241745cd3c5Smaybee objset_t *os, *os2; 3242b24ab676SJeff Bonwick char name[MAXNAMELEN]; 3243fa9e4066Sahrens zilog_t *zilog; 3244fa9e4066Sahrens 3245420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 3246b24ab676SJeff Bonwick 3247b24ab676SJeff Bonwick (void) snprintf(name, MAXNAMELEN, "%s/temp_%llu", 3248420dfc95SChris Siden ztest_opts.zo_pool, (u_longlong_t)id); 3249fa9e4066Sahrens 3250fa9e4066Sahrens /* 3251fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 3252fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 3253b24ab676SJeff Bonwick * (invoked from ztest_objset_destroy_cb()) should just throw it away. 3254fa9e4066Sahrens */ 3255fa9e4066Sahrens if (ztest_random(2) == 0 && 3256503ad85cSMatthew Ahrens dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os) == 0) { 3257420dfc95SChris Siden ztest_zd_init(&zdtmp, NULL, os); 3258b24ab676SJeff Bonwick zil_replay(os, &zdtmp, ztest_replay_vector); 3259b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3260503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3261fa9e4066Sahrens } 3262fa9e4066Sahrens 3263fa9e4066Sahrens /* 3264fa9e4066Sahrens * There may be an old instance of the dataset we're about to 3265fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 3266fa9e4066Sahrens * and all of its snapshots. 3267fa9e4066Sahrens */ 3268b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 32690b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 3270fa9e4066Sahrens 3271fa9e4066Sahrens /* 3272fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 3273fa9e4066Sahrens */ 3274b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, dmu_objset_hold(name, FTAG, &os)); 3275fa9e4066Sahrens 3276fa9e4066Sahrens /* 3277fa9e4066Sahrens * Verify that we can create a new dataset. 3278fa9e4066Sahrens */ 327955da60b9SMark J Musante error = ztest_dataset_create(name); 3280fa9e4066Sahrens if (error) { 3281fa9e4066Sahrens if (error == ENOSPC) { 3282b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3283420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3284fa9e4066Sahrens return; 3285fa9e4066Sahrens } 3286fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 3287fa9e4066Sahrens } 3288fa9e4066Sahrens 3289b420f3adSRichard Lowe VERIFY3U(0, ==, 3290b420f3adSRichard Lowe dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os)); 3291b24ab676SJeff Bonwick 3292420dfc95SChris Siden ztest_zd_init(&zdtmp, NULL, os); 3293fa9e4066Sahrens 3294fa9e4066Sahrens /* 3295fa9e4066Sahrens * Open the intent log for it. 3296fa9e4066Sahrens */ 3297b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 3298fa9e4066Sahrens 3299fa9e4066Sahrens /* 3300b24ab676SJeff Bonwick * Put some objects in there, do a little I/O to them, 3301b24ab676SJeff Bonwick * and randomly take a couple of snapshots along the way. 3302fa9e4066Sahrens */ 3303b24ab676SJeff Bonwick iters = ztest_random(5); 3304b24ab676SJeff Bonwick for (int i = 0; i < iters; i++) { 3305b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(&zdtmp, id); 3306b24ab676SJeff Bonwick if (ztest_random(iters) == 0) 3307b24ab676SJeff Bonwick (void) ztest_snapshot_create(name, i); 3308fa9e4066Sahrens } 3309fa9e4066Sahrens 3310fa9e4066Sahrens /* 3311fa9e4066Sahrens * Verify that we cannot create an existing dataset. 3312fa9e4066Sahrens */ 3313b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, 3314b24ab676SJeff Bonwick dmu_objset_create(name, DMU_OST_OTHER, 0, NULL, NULL)); 3315fa9e4066Sahrens 3316fa9e4066Sahrens /* 3317503ad85cSMatthew Ahrens * Verify that we can hold an objset that is also owned. 3318745cd3c5Smaybee */ 3319b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os2)); 3320503ad85cSMatthew Ahrens dmu_objset_rele(os2, FTAG); 3321503ad85cSMatthew Ahrens 3322503ad85cSMatthew Ahrens /* 3323b24ab676SJeff Bonwick * Verify that we cannot own an objset that is already owned. 3324503ad85cSMatthew Ahrens */ 3325b24ab676SJeff Bonwick VERIFY3U(EBUSY, ==, 3326b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os2)); 3327fa9e4066Sahrens 3328fa9e4066Sahrens zil_close(zilog); 3329503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3330b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3331fa9e4066Sahrens 3332420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3333fa9e4066Sahrens } 3334fa9e4066Sahrens 3335fa9e4066Sahrens /* 3336fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 3337fa9e4066Sahrens */ 3338fa9e4066Sahrens void 3339b24ab676SJeff Bonwick ztest_dmu_snapshot_create_destroy(ztest_ds_t *zd, uint64_t id) 3340fa9e4066Sahrens { 3341420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 3342b24ab676SJeff Bonwick (void) ztest_snapshot_destroy(zd->zd_name, id); 3343b24ab676SJeff Bonwick (void) ztest_snapshot_create(zd->zd_name, id); 3344420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 33454f5064b7SMark J Musante } 33464f5064b7SMark J Musante 3347718d718aSGeorge Wilson /* 3348718d718aSGeorge Wilson * Cleanup non-standard snapshots and clones. 3349718d718aSGeorge Wilson */ 3350718d718aSGeorge Wilson void 3351b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(char *osname, uint64_t id) 3352718d718aSGeorge Wilson { 3353b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3354b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3355b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3356b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3357b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3358718d718aSGeorge Wilson int error; 3359718d718aSGeorge Wilson 3360b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3361b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3362b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3363b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3364b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 3365718d718aSGeorge Wilson 3366842727c2SChris Kirby error = dmu_objset_destroy(clone2name, B_FALSE); 3367718d718aSGeorge Wilson if (error && error != ENOENT) 3368718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone2name, error); 3369842727c2SChris Kirby error = dmu_objset_destroy(snap3name, B_FALSE); 3370718d718aSGeorge Wilson if (error && error != ENOENT) 3371718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap3name, error); 3372842727c2SChris Kirby error = dmu_objset_destroy(snap2name, B_FALSE); 3373718d718aSGeorge Wilson if (error && error != ENOENT) 3374718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error); 3375842727c2SChris Kirby error = dmu_objset_destroy(clone1name, B_FALSE); 3376718d718aSGeorge Wilson if (error && error != ENOENT) 3377718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone1name, error); 3378842727c2SChris Kirby error = dmu_objset_destroy(snap1name, B_FALSE); 3379718d718aSGeorge Wilson if (error && error != ENOENT) 3380718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap1name, error); 3381718d718aSGeorge Wilson } 3382718d718aSGeorge Wilson 33834f5064b7SMark J Musante /* 33844f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 33854f5064b7SMark J Musante */ 33864f5064b7SMark J Musante void 3387b24ab676SJeff Bonwick ztest_dsl_dataset_promote_busy(ztest_ds_t *zd, uint64_t id) 33884f5064b7SMark J Musante { 33894f5064b7SMark J Musante objset_t *clone; 33904f5064b7SMark J Musante dsl_dataset_t *ds; 3391b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3392b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3393b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3394b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3395b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3396b24ab676SJeff Bonwick char *osname = zd->zd_name; 3397b24ab676SJeff Bonwick int error; 33984f5064b7SMark J Musante 3399420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 34004f5064b7SMark J Musante 3401b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 3402718d718aSGeorge Wilson 3403b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3404b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3405b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3406b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3407b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 340805312e2cSMark J Musante 34094445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, strchr(snap1name, '@') + 1); 3410b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3411b2d22b66SGeorge Wilson if (error == ENOSPC) { 3412b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3413b2d22b66SGeorge Wilson goto out; 3414b2d22b66SGeorge Wilson } 3415b2d22b66SGeorge Wilson fatal(0, "dmu_take_snapshot(%s) = %d", snap1name, error); 3416b2d22b66SGeorge Wilson } 34174f5064b7SMark J Musante 3418503ad85cSMatthew Ahrens error = dmu_objset_hold(snap1name, FTAG, &clone); 34194f5064b7SMark J Musante if (error) 34204f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap1name, error); 34214f5064b7SMark J Musante 3422ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone1name, dmu_objset_ds(clone), 0); 3423503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3424b2d22b66SGeorge Wilson if (error) { 3425b2d22b66SGeorge Wilson if (error == ENOSPC) { 3426b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3427b2d22b66SGeorge Wilson goto out; 3428b2d22b66SGeorge Wilson } 3429b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 3430b2d22b66SGeorge Wilson } 34314f5064b7SMark J Musante 34324445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(clone1name, strchr(snap2name, '@') + 1); 3433b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3434b2d22b66SGeorge Wilson if (error == ENOSPC) { 3435b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3436b2d22b66SGeorge Wilson goto out; 3437b2d22b66SGeorge Wilson } 3438b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap2name, error); 3439b2d22b66SGeorge Wilson } 34404f5064b7SMark J Musante 34414445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(clone1name, strchr(snap3name, '@') + 1); 3442b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3443b2d22b66SGeorge Wilson if (error == ENOSPC) { 3444b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3445b2d22b66SGeorge Wilson goto out; 3446b2d22b66SGeorge Wilson } 3447b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 3448b2d22b66SGeorge Wilson } 34494f5064b7SMark J Musante 3450503ad85cSMatthew Ahrens error = dmu_objset_hold(snap3name, FTAG, &clone); 34514f5064b7SMark J Musante if (error) 34524f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 34534f5064b7SMark J Musante 3454ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone2name, dmu_objset_ds(clone), 0); 3455503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3456b2d22b66SGeorge Wilson if (error) { 3457b2d22b66SGeorge Wilson if (error == ENOSPC) { 3458b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3459b2d22b66SGeorge Wilson goto out; 3460b2d22b66SGeorge Wilson } 3461b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 3462b2d22b66SGeorge Wilson } 34634f5064b7SMark J Musante 3464cde58dbcSMatthew Ahrens error = dsl_dataset_own(snap2name, B_FALSE, FTAG, &ds); 34654f5064b7SMark J Musante if (error) 3466cde58dbcSMatthew Ahrens fatal(0, "dsl_dataset_own(%s) = %d", snap2name, error); 3467681d9761SEric Taylor error = dsl_dataset_promote(clone2name, NULL); 34684f5064b7SMark J Musante if (error != EBUSY) 34694f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 34704f5064b7SMark J Musante error); 34714f5064b7SMark J Musante dsl_dataset_disown(ds, FTAG); 34724f5064b7SMark J Musante 3473b2d22b66SGeorge Wilson out: 3474b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 34754f5064b7SMark J Musante 3476420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3477fa9e4066Sahrens } 3478fa9e4066Sahrens 3479fa9e4066Sahrens /* 3480fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 3481fa9e4066Sahrens */ 3482fa9e4066Sahrens void 3483b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(ztest_ds_t *zd, uint64_t id) 3484fa9e4066Sahrens { 3485b24ab676SJeff Bonwick ztest_od_t od[4]; 3486b24ab676SJeff Bonwick int batchsize = sizeof (od) / sizeof (od[0]); 3487fa9e4066Sahrens 3488b24ab676SJeff Bonwick for (int b = 0; b < batchsize; b++) 3489b24ab676SJeff Bonwick ztest_od_init(&od[b], id, FTAG, b, DMU_OT_UINT64_OTHER, 0, 0); 3490fa9e4066Sahrens 3491fa9e4066Sahrens /* 3492b24ab676SJeff Bonwick * Destroy the previous batch of objects, create a new batch, 3493b24ab676SJeff Bonwick * and do some I/O on the new objects. 3494fa9e4066Sahrens */ 3495b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_TRUE) != 0) 3496b24ab676SJeff Bonwick return; 3497fa9e4066Sahrens 3498b24ab676SJeff Bonwick while (ztest_random(4 * batchsize) != 0) 3499b24ab676SJeff Bonwick ztest_io(zd, od[ztest_random(batchsize)].od_object, 3500b24ab676SJeff Bonwick ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3501fa9e4066Sahrens } 3502fa9e4066Sahrens 3503fa9e4066Sahrens /* 3504fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 3505fa9e4066Sahrens */ 3506fa9e4066Sahrens void 3507b24ab676SJeff Bonwick ztest_dmu_read_write(ztest_ds_t *zd, uint64_t id) 3508fa9e4066Sahrens { 3509b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3510b24ab676SJeff Bonwick ztest_od_t od[2]; 3511fa9e4066Sahrens dmu_tx_t *tx; 3512fa9e4066Sahrens int i, freeit, error; 3513fa9e4066Sahrens uint64_t n, s, txg; 3514fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 3515b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3516b24ab676SJeff Bonwick uint64_t chunksize = (1000 + ztest_random(1000)) * sizeof (uint64_t); 3517fa9e4066Sahrens uint64_t regions = 997; 3518fa9e4066Sahrens uint64_t stride = 123456789ULL; 3519fa9e4066Sahrens uint64_t width = 40; 3520fa9e4066Sahrens int free_percent = 5; 3521fa9e4066Sahrens 3522fa9e4066Sahrens /* 3523fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 3524fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 3525fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 3526fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 3527fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 3528fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 3529fa9e4066Sahrens * 3530fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 3531fa9e4066Sahrens * bigobj, at the head of the nth chunk 3532fa9e4066Sahrens * bigobj, at the tail of the nth chunk 3533fa9e4066Sahrens * 3534fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 3535fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 3536fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 3537fa9e4066Sahrens * 3538fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 3539fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 3540fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 3541fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 3542fa9e4066Sahrens * tracking which parts of an object are allocated and free, 3543fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 3544fa9e4066Sahrens */ 3545fa9e4066Sahrens 3546fa9e4066Sahrens /* 3547fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 3548fa9e4066Sahrens */ 3549b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, chunksize); 3550b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 3551fa9e4066Sahrens 3552b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3553b24ab676SJeff Bonwick return; 3554fa9e4066Sahrens 3555b24ab676SJeff Bonwick bigobj = od[0].od_object; 3556b24ab676SJeff Bonwick packobj = od[1].od_object; 3557b24ab676SJeff Bonwick chunksize = od[0].od_gen; 3558b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 3559fa9e4066Sahrens 3560fa9e4066Sahrens /* 3561fa9e4066Sahrens * Prefetch a random chunk of the big object. 3562fa9e4066Sahrens * Our aim here is to get some async reads in flight 3563fa9e4066Sahrens * for blocks that we may free below; the DMU should 3564fa9e4066Sahrens * handle this race correctly. 3565fa9e4066Sahrens */ 3566fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3567fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 3568b24ab676SJeff Bonwick dmu_prefetch(os, bigobj, n * chunksize, s * chunksize); 3569fa9e4066Sahrens 3570fa9e4066Sahrens /* 3571fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 3572fa9e4066Sahrens */ 3573fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3574fa9e4066Sahrens s = 1 + ztest_random(width - 1); 3575fa9e4066Sahrens 3576fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 3577fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 3578fa9e4066Sahrens 3579b24ab676SJeff Bonwick bigoff = n * chunksize; 3580b24ab676SJeff Bonwick bigsize = s * chunksize; 3581fa9e4066Sahrens 3582fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 3583fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 3584fa9e4066Sahrens 3585fa9e4066Sahrens /* 3586fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 3587fa9e4066Sahrens * overwriting it. 3588fa9e4066Sahrens */ 3589fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 3590fa9e4066Sahrens 3591fa9e4066Sahrens /* 3592fa9e4066Sahrens * Read the current contents of our objects. 3593fa9e4066Sahrens */ 3594b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, packsize, packbuf, 35957bfdf011SNeil Perrin DMU_READ_PREFETCH); 3596fb09f5aaSMadhav Suresh ASSERT0(error); 3597b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, bigbuf, 35987bfdf011SNeil Perrin DMU_READ_PREFETCH); 3599fb09f5aaSMadhav Suresh ASSERT0(error); 3600fa9e4066Sahrens 3601fa9e4066Sahrens /* 3602fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 3603fa9e4066Sahrens */ 3604fa9e4066Sahrens tx = dmu_tx_create(os); 3605fa9e4066Sahrens 3606b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3607fa9e4066Sahrens 3608fa9e4066Sahrens if (freeit) 3609b24ab676SJeff Bonwick dmu_tx_hold_free(tx, bigobj, bigoff, bigsize); 3610fa9e4066Sahrens else 3611b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 3612fa9e4066Sahrens 3613b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3614b24ab676SJeff Bonwick if (txg == 0) { 3615fa9e4066Sahrens umem_free(packbuf, packsize); 3616fa9e4066Sahrens umem_free(bigbuf, bigsize); 3617fa9e4066Sahrens return; 3618fa9e4066Sahrens } 3619fa9e4066Sahrens 3620b24ab676SJeff Bonwick dmu_object_set_checksum(os, bigobj, 3621b24ab676SJeff Bonwick (enum zio_checksum)ztest_random_dsl_prop(ZFS_PROP_CHECKSUM), tx); 3622b24ab676SJeff Bonwick 3623b24ab676SJeff Bonwick dmu_object_set_compress(os, bigobj, 3624b24ab676SJeff Bonwick (enum zio_compress)ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), tx); 3625fa9e4066Sahrens 3626fa9e4066Sahrens /* 3627fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 3628fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 3629fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 3630fa9e4066Sahrens * with the new values we want to write out. 3631fa9e4066Sahrens */ 3632fa9e4066Sahrens for (i = 0; i < s; i++) { 3633fa9e4066Sahrens /* LINTED */ 3634fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 3635fa9e4066Sahrens /* LINTED */ 3636b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 3637fa9e4066Sahrens /* LINTED */ 3638b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 3639fa9e4066Sahrens 3640fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 3641fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 3642fa9e4066Sahrens 3643fa9e4066Sahrens if (pack->bw_txg > txg) 3644fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 3645fa9e4066Sahrens pack->bw_txg, txg); 3646fa9e4066Sahrens 3647fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 3648fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 3649fa9e4066Sahrens pack->bw_index, n, i); 3650fa9e4066Sahrens 3651fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 3652fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 3653fa9e4066Sahrens 3654fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 3655fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 3656fa9e4066Sahrens 3657fa9e4066Sahrens if (freeit) { 3658fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 3659fa9e4066Sahrens } else { 3660fa9e4066Sahrens pack->bw_index = n + i; 3661fa9e4066Sahrens pack->bw_txg = txg; 3662fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 3663fa9e4066Sahrens } 3664fa9e4066Sahrens *bigH = *pack; 3665fa9e4066Sahrens *bigT = *pack; 3666fa9e4066Sahrens } 3667fa9e4066Sahrens 3668fa9e4066Sahrens /* 3669fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 3670fa9e4066Sahrens * Now write them out. 3671fa9e4066Sahrens */ 3672b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3673fa9e4066Sahrens 3674fa9e4066Sahrens if (freeit) { 3675420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 3676fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 3677fa9e4066Sahrens " txg %llx\n", 3678fa9e4066Sahrens (u_longlong_t)bigoff, 3679fa9e4066Sahrens (u_longlong_t)bigsize, 3680fa9e4066Sahrens (u_longlong_t)txg); 3681fa9e4066Sahrens } 3682b24ab676SJeff Bonwick VERIFY(0 == dmu_free_range(os, bigobj, bigoff, bigsize, tx)); 3683fa9e4066Sahrens } else { 3684420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 3685fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 3686fa9e4066Sahrens " txg %llx\n", 3687fa9e4066Sahrens (u_longlong_t)bigoff, 3688fa9e4066Sahrens (u_longlong_t)bigsize, 3689fa9e4066Sahrens (u_longlong_t)txg); 3690fa9e4066Sahrens } 3691b24ab676SJeff Bonwick dmu_write(os, bigobj, bigoff, bigsize, bigbuf, tx); 3692fa9e4066Sahrens } 3693fa9e4066Sahrens 3694fa9e4066Sahrens dmu_tx_commit(tx); 3695fa9e4066Sahrens 3696fa9e4066Sahrens /* 3697fa9e4066Sahrens * Sanity check the stuff we just wrote. 3698fa9e4066Sahrens */ 3699fa9e4066Sahrens { 3700fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 3701fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 3702fa9e4066Sahrens 3703b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 37047bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3705b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 37067bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 3707fa9e4066Sahrens 3708fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 3709fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 3710fa9e4066Sahrens 3711fa9e4066Sahrens umem_free(packcheck, packsize); 3712fa9e4066Sahrens umem_free(bigcheck, bigsize); 3713fa9e4066Sahrens } 3714fa9e4066Sahrens 3715fa9e4066Sahrens umem_free(packbuf, packsize); 3716fa9e4066Sahrens umem_free(bigbuf, bigsize); 3717fa9e4066Sahrens } 3718fa9e4066Sahrens 37192fdbea25SAleksandr Guzovskiy void 37202fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(uint64_t s, bufwad_t *packbuf, bufwad_t *bigbuf, 3721b24ab676SJeff Bonwick uint64_t bigsize, uint64_t n, uint64_t chunksize, uint64_t txg) 37222fdbea25SAleksandr Guzovskiy { 37232fdbea25SAleksandr Guzovskiy uint64_t i; 37242fdbea25SAleksandr Guzovskiy bufwad_t *pack; 37252fdbea25SAleksandr Guzovskiy bufwad_t *bigH; 37262fdbea25SAleksandr Guzovskiy bufwad_t *bigT; 37272fdbea25SAleksandr Guzovskiy 37282fdbea25SAleksandr Guzovskiy /* 37292fdbea25SAleksandr Guzovskiy * For each index from n to n + s, verify that the existing bufwad 37302fdbea25SAleksandr Guzovskiy * in packobj matches the bufwads at the head and tail of the 37312fdbea25SAleksandr Guzovskiy * corresponding chunk in bigobj. Then update all three bufwads 37322fdbea25SAleksandr Guzovskiy * with the new values we want to write out. 37332fdbea25SAleksandr Guzovskiy */ 37342fdbea25SAleksandr Guzovskiy for (i = 0; i < s; i++) { 37352fdbea25SAleksandr Guzovskiy /* LINTED */ 37362fdbea25SAleksandr Guzovskiy pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 37372fdbea25SAleksandr Guzovskiy /* LINTED */ 3738b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 37392fdbea25SAleksandr Guzovskiy /* LINTED */ 3740b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 37412fdbea25SAleksandr Guzovskiy 37422fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 37432fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 37442fdbea25SAleksandr Guzovskiy 37452fdbea25SAleksandr Guzovskiy if (pack->bw_txg > txg) 37462fdbea25SAleksandr Guzovskiy fatal(0, "future leak: got %llx, open txg is %llx", 37472fdbea25SAleksandr Guzovskiy pack->bw_txg, txg); 37482fdbea25SAleksandr Guzovskiy 37492fdbea25SAleksandr Guzovskiy if (pack->bw_data != 0 && pack->bw_index != n + i) 37502fdbea25SAleksandr Guzovskiy fatal(0, "wrong index: got %llx, wanted %llx+%llx", 37512fdbea25SAleksandr Guzovskiy pack->bw_index, n, i); 37522fdbea25SAleksandr Guzovskiy 37532fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 37542fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 37552fdbea25SAleksandr Guzovskiy 37562fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 37572fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 37582fdbea25SAleksandr Guzovskiy 37592fdbea25SAleksandr Guzovskiy pack->bw_index = n + i; 37602fdbea25SAleksandr Guzovskiy pack->bw_txg = txg; 37612fdbea25SAleksandr Guzovskiy pack->bw_data = 1 + ztest_random(-2ULL); 37622fdbea25SAleksandr Guzovskiy 37632fdbea25SAleksandr Guzovskiy *bigH = *pack; 37642fdbea25SAleksandr Guzovskiy *bigT = *pack; 37652fdbea25SAleksandr Guzovskiy } 37662fdbea25SAleksandr Guzovskiy } 37672fdbea25SAleksandr Guzovskiy 37682fdbea25SAleksandr Guzovskiy void 3769b24ab676SJeff Bonwick ztest_dmu_read_write_zcopy(ztest_ds_t *zd, uint64_t id) 37702fdbea25SAleksandr Guzovskiy { 3771b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3772b24ab676SJeff Bonwick ztest_od_t od[2]; 37732fdbea25SAleksandr Guzovskiy dmu_tx_t *tx; 37742fdbea25SAleksandr Guzovskiy uint64_t i; 37752fdbea25SAleksandr Guzovskiy int error; 37762fdbea25SAleksandr Guzovskiy uint64_t n, s, txg; 37772fdbea25SAleksandr Guzovskiy bufwad_t *packbuf, *bigbuf; 3778b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3779b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3780b24ab676SJeff Bonwick uint64_t chunksize = blocksize; 37812fdbea25SAleksandr Guzovskiy uint64_t regions = 997; 37822fdbea25SAleksandr Guzovskiy uint64_t stride = 123456789ULL; 37832fdbea25SAleksandr Guzovskiy uint64_t width = 9; 37842fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 37852fdbea25SAleksandr Guzovskiy arc_buf_t **bigbuf_arcbufs; 3786b24ab676SJeff Bonwick dmu_object_info_t doi; 37872fdbea25SAleksandr Guzovskiy 37882fdbea25SAleksandr Guzovskiy /* 37892fdbea25SAleksandr Guzovskiy * This test uses two objects, packobj and bigobj, that are always 37902fdbea25SAleksandr Guzovskiy * updated together (i.e. in the same tx) so that their contents are 37912fdbea25SAleksandr Guzovskiy * in sync and can be compared. Their contents relate to each other 37922fdbea25SAleksandr Guzovskiy * in a simple way: packobj is a dense array of 'bufwad' structures, 37932fdbea25SAleksandr Guzovskiy * while bigobj is a sparse array of the same bufwads. Specifically, 37942fdbea25SAleksandr Guzovskiy * for any index n, there are three bufwads that should be identical: 37952fdbea25SAleksandr Guzovskiy * 37962fdbea25SAleksandr Guzovskiy * packobj, at offset n * sizeof (bufwad_t) 37972fdbea25SAleksandr Guzovskiy * bigobj, at the head of the nth chunk 37982fdbea25SAleksandr Guzovskiy * bigobj, at the tail of the nth chunk 37992fdbea25SAleksandr Guzovskiy * 38002fdbea25SAleksandr Guzovskiy * The chunk size is set equal to bigobj block size so that 38012fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() can be tested for object updates. 38022fdbea25SAleksandr Guzovskiy */ 38032fdbea25SAleksandr Guzovskiy 38042fdbea25SAleksandr Guzovskiy /* 38052fdbea25SAleksandr Guzovskiy * Read the directory info. If it's the first time, set things up. 38062fdbea25SAleksandr Guzovskiy */ 3807b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3808b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 38092fdbea25SAleksandr Guzovskiy 3810b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3811b24ab676SJeff Bonwick return; 38122fdbea25SAleksandr Guzovskiy 3813b24ab676SJeff Bonwick bigobj = od[0].od_object; 3814b24ab676SJeff Bonwick packobj = od[1].od_object; 3815b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 3816b24ab676SJeff Bonwick chunksize = blocksize; 3817b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 38182fdbea25SAleksandr Guzovskiy 3819b24ab676SJeff Bonwick VERIFY(dmu_object_info(os, bigobj, &doi) == 0); 3820b24ab676SJeff Bonwick VERIFY(ISP2(doi.doi_data_block_size)); 3821b24ab676SJeff Bonwick VERIFY(chunksize == doi.doi_data_block_size); 3822b24ab676SJeff Bonwick VERIFY(chunksize >= 2 * sizeof (bufwad_t)); 38232fdbea25SAleksandr Guzovskiy 38242fdbea25SAleksandr Guzovskiy /* 38252fdbea25SAleksandr Guzovskiy * Pick a random index and compute the offsets into packobj and bigobj. 38262fdbea25SAleksandr Guzovskiy */ 38272fdbea25SAleksandr Guzovskiy n = ztest_random(regions) * stride + ztest_random(width); 38282fdbea25SAleksandr Guzovskiy s = 1 + ztest_random(width - 1); 38292fdbea25SAleksandr Guzovskiy 38302fdbea25SAleksandr Guzovskiy packoff = n * sizeof (bufwad_t); 38312fdbea25SAleksandr Guzovskiy packsize = s * sizeof (bufwad_t); 38322fdbea25SAleksandr Guzovskiy 3833b24ab676SJeff Bonwick bigoff = n * chunksize; 3834b24ab676SJeff Bonwick bigsize = s * chunksize; 38352fdbea25SAleksandr Guzovskiy 38362fdbea25SAleksandr Guzovskiy packbuf = umem_zalloc(packsize, UMEM_NOFAIL); 38372fdbea25SAleksandr Guzovskiy bigbuf = umem_zalloc(bigsize, UMEM_NOFAIL); 38382fdbea25SAleksandr Guzovskiy 3839b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, bigobj, FTAG, &bonus_db)); 38402fdbea25SAleksandr Guzovskiy 38412fdbea25SAleksandr Guzovskiy bigbuf_arcbufs = umem_zalloc(2 * s * sizeof (arc_buf_t *), UMEM_NOFAIL); 38422fdbea25SAleksandr Guzovskiy 38432fdbea25SAleksandr Guzovskiy /* 38442fdbea25SAleksandr Guzovskiy * Iteration 0 test zcopy for DB_UNCACHED dbufs. 38452fdbea25SAleksandr Guzovskiy * Iteration 1 test zcopy to already referenced dbufs. 38462fdbea25SAleksandr Guzovskiy * Iteration 2 test zcopy to dirty dbuf in the same txg. 38472fdbea25SAleksandr Guzovskiy * Iteration 3 test zcopy to dbuf dirty in previous txg. 38482fdbea25SAleksandr Guzovskiy * Iteration 4 test zcopy when dbuf is no longer dirty. 38492fdbea25SAleksandr Guzovskiy * Iteration 5 test zcopy when it can't be done. 38502fdbea25SAleksandr Guzovskiy * Iteration 6 one more zcopy write. 38512fdbea25SAleksandr Guzovskiy */ 38522fdbea25SAleksandr Guzovskiy for (i = 0; i < 7; i++) { 38532fdbea25SAleksandr Guzovskiy uint64_t j; 38542fdbea25SAleksandr Guzovskiy uint64_t off; 38552fdbea25SAleksandr Guzovskiy 38562fdbea25SAleksandr Guzovskiy /* 38572fdbea25SAleksandr Guzovskiy * In iteration 5 (i == 5) use arcbufs 38582fdbea25SAleksandr Guzovskiy * that don't match bigobj blksz to test 38592fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() when it can't directly 38602fdbea25SAleksandr Guzovskiy * assign an arcbuf to a dbuf. 38612fdbea25SAleksandr Guzovskiy */ 38622fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 38632fdbea25SAleksandr Guzovskiy if (i != 5) { 38642fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j] = 3865b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize); 38662fdbea25SAleksandr Guzovskiy } else { 38672fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j] = 3868b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 38692fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1] = 3870b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 38712fdbea25SAleksandr Guzovskiy } 38722fdbea25SAleksandr Guzovskiy } 38732fdbea25SAleksandr Guzovskiy 38742fdbea25SAleksandr Guzovskiy /* 38752fdbea25SAleksandr Guzovskiy * Get a tx for the mods to both packobj and bigobj. 38762fdbea25SAleksandr Guzovskiy */ 38772fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 38782fdbea25SAleksandr Guzovskiy 3879b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3880b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 38812fdbea25SAleksandr Guzovskiy 3882b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3883b24ab676SJeff Bonwick if (txg == 0) { 38842fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 38852fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 38862fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 38872fdbea25SAleksandr Guzovskiy if (i != 5) { 38882fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(bigbuf_arcbufs[j]); 38892fdbea25SAleksandr Guzovskiy } else { 38902fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 38912fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]); 38922fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 38932fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]); 38942fdbea25SAleksandr Guzovskiy } 38952fdbea25SAleksandr Guzovskiy } 38962fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 38972fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 38982fdbea25SAleksandr Guzovskiy return; 38992fdbea25SAleksandr Guzovskiy } 39002fdbea25SAleksandr Guzovskiy 39012fdbea25SAleksandr Guzovskiy /* 39022fdbea25SAleksandr Guzovskiy * 50% of the time don't read objects in the 1st iteration to 39032fdbea25SAleksandr Guzovskiy * test dmu_assign_arcbuf() for the case when there're no 39042fdbea25SAleksandr Guzovskiy * existing dbufs for the specified offsets. 39052fdbea25SAleksandr Guzovskiy */ 39062fdbea25SAleksandr Guzovskiy if (i != 0 || ztest_random(2) != 0) { 3907b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, 39087bfdf011SNeil Perrin packsize, packbuf, DMU_READ_PREFETCH); 3909fb09f5aaSMadhav Suresh ASSERT0(error); 3910b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, 39117bfdf011SNeil Perrin bigbuf, DMU_READ_PREFETCH); 3912fb09f5aaSMadhav Suresh ASSERT0(error); 39132fdbea25SAleksandr Guzovskiy } 39142fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(s, packbuf, bigbuf, bigsize, 3915b24ab676SJeff Bonwick n, chunksize, txg); 39162fdbea25SAleksandr Guzovskiy 39172fdbea25SAleksandr Guzovskiy /* 39182fdbea25SAleksandr Guzovskiy * We've verified all the old bufwads, and made new ones. 39192fdbea25SAleksandr Guzovskiy * Now write them out. 39202fdbea25SAleksandr Guzovskiy */ 3921b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3922420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 39232fdbea25SAleksandr Guzovskiy (void) printf("writing offset %llx size %llx" 39242fdbea25SAleksandr Guzovskiy " txg %llx\n", 39252fdbea25SAleksandr Guzovskiy (u_longlong_t)bigoff, 39262fdbea25SAleksandr Guzovskiy (u_longlong_t)bigsize, 39272fdbea25SAleksandr Guzovskiy (u_longlong_t)txg); 39282fdbea25SAleksandr Guzovskiy } 3929b24ab676SJeff Bonwick for (off = bigoff, j = 0; j < s; j++, off += chunksize) { 39302fdbea25SAleksandr Guzovskiy dmu_buf_t *dbt; 39312fdbea25SAleksandr Guzovskiy if (i != 5) { 39322fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 3933b24ab676SJeff Bonwick bigbuf_arcbufs[j]->b_data, chunksize); 39342fdbea25SAleksandr Guzovskiy } else { 39352fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 39362fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]->b_data, 3937b24ab676SJeff Bonwick chunksize / 2); 39382fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff) + 3939b24ab676SJeff Bonwick chunksize / 2, 39402fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]->b_data, 3941b24ab676SJeff Bonwick chunksize / 2); 39422fdbea25SAleksandr Guzovskiy } 39432fdbea25SAleksandr Guzovskiy 39442fdbea25SAleksandr Guzovskiy if (i == 1) { 3945b24ab676SJeff Bonwick VERIFY(dmu_buf_hold(os, bigobj, off, 394647cb52daSJeff Bonwick FTAG, &dbt, DMU_READ_NO_PREFETCH) == 0); 39472fdbea25SAleksandr Guzovskiy } 39482fdbea25SAleksandr Guzovskiy if (i != 5) { 39492fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 39502fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j], tx); 39512fdbea25SAleksandr Guzovskiy } else { 39522fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 39532fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j], tx); 39542fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, 3955b24ab676SJeff Bonwick off + chunksize / 2, 39562fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1], tx); 39572fdbea25SAleksandr Guzovskiy } 39582fdbea25SAleksandr Guzovskiy if (i == 1) { 39592fdbea25SAleksandr Guzovskiy dmu_buf_rele(dbt, FTAG); 39602fdbea25SAleksandr Guzovskiy } 39612fdbea25SAleksandr Guzovskiy } 39622fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 39632fdbea25SAleksandr Guzovskiy 39642fdbea25SAleksandr Guzovskiy /* 39652fdbea25SAleksandr Guzovskiy * Sanity check the stuff we just wrote. 39662fdbea25SAleksandr Guzovskiy */ 39672fdbea25SAleksandr Guzovskiy { 39682fdbea25SAleksandr Guzovskiy void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 39692fdbea25SAleksandr Guzovskiy void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 39702fdbea25SAleksandr Guzovskiy 3971b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 39727bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3973b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 39747bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 39752fdbea25SAleksandr Guzovskiy 39762fdbea25SAleksandr Guzovskiy ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 39772fdbea25SAleksandr Guzovskiy ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 39782fdbea25SAleksandr Guzovskiy 39792fdbea25SAleksandr Guzovskiy umem_free(packcheck, packsize); 39802fdbea25SAleksandr Guzovskiy umem_free(bigcheck, bigsize); 39812fdbea25SAleksandr Guzovskiy } 39822fdbea25SAleksandr Guzovskiy if (i == 2) { 3983b24ab676SJeff Bonwick txg_wait_open(dmu_objset_pool(os), 0); 3984b24ab676SJeff Bonwick } else if (i == 3) { 3985b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 3986fa9e4066Sahrens } 3987e05725b1Sbonwick } 3988e05725b1Sbonwick 3989b24ab676SJeff Bonwick dmu_buf_rele(bonus_db, FTAG); 3990b24ab676SJeff Bonwick umem_free(packbuf, packsize); 3991b24ab676SJeff Bonwick umem_free(bigbuf, bigsize); 3992b24ab676SJeff Bonwick umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 3993b24ab676SJeff Bonwick } 3994fa9e4066Sahrens 3995b24ab676SJeff Bonwick /* ARGSUSED */ 3996b24ab676SJeff Bonwick void 3997b24ab676SJeff Bonwick ztest_dmu_write_parallel(ztest_ds_t *zd, uint64_t id) 3998b24ab676SJeff Bonwick { 3999b24ab676SJeff Bonwick ztest_od_t od[1]; 4000b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(20) + 43)) + 4001b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 4002fa9e4066Sahrens 4003e05725b1Sbonwick /* 4004b24ab676SJeff Bonwick * Have multiple threads write to large offsets in an object 4005b24ab676SJeff Bonwick * to verify that parallel writes to an object -- even to the 4006b24ab676SJeff Bonwick * same blocks within the object -- doesn't cause any trouble. 4007e05725b1Sbonwick */ 4008b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 4009fa9e4066Sahrens 4010b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4011e05725b1Sbonwick return; 4012fa9e4066Sahrens 4013b24ab676SJeff Bonwick while (ztest_random(10) != 0) 4014b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, offset); 4015b24ab676SJeff Bonwick } 4016fa9e4066Sahrens 4017b24ab676SJeff Bonwick void 4018b24ab676SJeff Bonwick ztest_dmu_prealloc(ztest_ds_t *zd, uint64_t id) 4019b24ab676SJeff Bonwick { 4020b24ab676SJeff Bonwick ztest_od_t od[1]; 4021b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(4) + SPA_MAXBLOCKSHIFT)) + 4022b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 4023b24ab676SJeff Bonwick uint64_t count = ztest_random(20) + 1; 4024b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 4025b24ab676SJeff Bonwick void *data; 4026fa9e4066Sahrens 4027b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 4028fa9e4066Sahrens 4029b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4030e05725b1Sbonwick return; 40310e34b6a7Sbonwick 4032b24ab676SJeff Bonwick if (ztest_truncate(zd, od[0].od_object, offset, count * blocksize) != 0) 4033f4a72450SJeff Bonwick return; 4034f4a72450SJeff Bonwick 4035b24ab676SJeff Bonwick ztest_prealloc(zd, od[0].od_object, offset, count * blocksize); 4036fa9e4066Sahrens 4037b24ab676SJeff Bonwick data = umem_zalloc(blocksize, UMEM_NOFAIL); 4038b24ab676SJeff Bonwick 4039b24ab676SJeff Bonwick while (ztest_random(count) != 0) { 4040b24ab676SJeff Bonwick uint64_t randoff = offset + (ztest_random(count) * blocksize); 4041b24ab676SJeff Bonwick if (ztest_write(zd, od[0].od_object, randoff, blocksize, 4042b24ab676SJeff Bonwick data) != 0) 4043b24ab676SJeff Bonwick break; 4044b24ab676SJeff Bonwick while (ztest_random(4) != 0) 4045b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, randoff); 4046b24ab676SJeff Bonwick } 4047b24ab676SJeff Bonwick 4048b24ab676SJeff Bonwick umem_free(data, blocksize); 4049fa9e4066Sahrens } 4050fa9e4066Sahrens 4051fa9e4066Sahrens /* 4052fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 4053fa9e4066Sahrens */ 4054fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 4055fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 4056fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 4057fa9e4066Sahrens 4058fa9e4066Sahrens void 4059b24ab676SJeff Bonwick ztest_zap(ztest_ds_t *zd, uint64_t id) 4060fa9e4066Sahrens { 4061b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4062b24ab676SJeff Bonwick ztest_od_t od[1]; 4063fa9e4066Sahrens uint64_t object; 4064fa9e4066Sahrens uint64_t txg, last_txg; 4065fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 4066fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 4067fa9e4066Sahrens int i, ints; 4068fa9e4066Sahrens dmu_tx_t *tx; 4069fa9e4066Sahrens char propname[100], txgname[100]; 4070fa9e4066Sahrens int error; 4071fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 4072fa9e4066Sahrens 4073b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 4074fa9e4066Sahrens 4075b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4076b24ab676SJeff Bonwick return; 4077fa9e4066Sahrens 4078b24ab676SJeff Bonwick object = od[0].od_object; 4079fa9e4066Sahrens 4080b24ab676SJeff Bonwick /* 4081b24ab676SJeff Bonwick * Generate a known hash collision, and verify that 4082b24ab676SJeff Bonwick * we can lookup and remove both entries. 4083b24ab676SJeff Bonwick */ 4084b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4085b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4086b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4087b24ab676SJeff Bonwick if (txg == 0) 4088b24ab676SJeff Bonwick return; 4089b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 4090b24ab676SJeff Bonwick value[i] = i; 4091b420f3adSRichard Lowe VERIFY3U(0, ==, zap_add(os, object, hc[i], sizeof (uint64_t), 4092b24ab676SJeff Bonwick 1, &value[i], tx)); 4093b24ab676SJeff Bonwick } 4094b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 4095b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, zap_add(os, object, hc[i], 4096b24ab676SJeff Bonwick sizeof (uint64_t), 1, &value[i], tx)); 4097b420f3adSRichard Lowe VERIFY3U(0, ==, 4098b420f3adSRichard Lowe zap_length(os, object, hc[i], &zl_intsize, &zl_ints)); 4099b24ab676SJeff Bonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 4100b24ab676SJeff Bonwick ASSERT3U(zl_ints, ==, 1); 4101fa9e4066Sahrens } 4102b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 4103b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, hc[i], tx)); 4104b24ab676SJeff Bonwick } 4105b24ab676SJeff Bonwick dmu_tx_commit(tx); 4106fa9e4066Sahrens 4107b24ab676SJeff Bonwick /* 4108b24ab676SJeff Bonwick * Generate a buch of random entries. 4109b24ab676SJeff Bonwick */ 4110fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 4111fa9e4066Sahrens 4112e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 4113e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 4114e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 4115e05725b1Sbonwick bzero(value, sizeof (value)); 4116e05725b1Sbonwick last_txg = 0; 4117fa9e4066Sahrens 4118e05725b1Sbonwick /* 4119e05725b1Sbonwick * If these zap entries already exist, validate their contents. 4120e05725b1Sbonwick */ 4121e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 4122e05725b1Sbonwick if (error == 0) { 4123e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 4124e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 4125fa9e4066Sahrens 4126e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 4127e05725b1Sbonwick zl_ints, &last_txg) == 0); 4128fa9e4066Sahrens 4129e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 4130e05725b1Sbonwick &zl_ints) == 0); 4131fa9e4066Sahrens 4132e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 4133e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 4134fa9e4066Sahrens 4135e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 4136e05725b1Sbonwick zl_ints, value) == 0); 4137fa9e4066Sahrens 4138e05725b1Sbonwick for (i = 0; i < ints; i++) { 4139e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 4140fa9e4066Sahrens } 4141e05725b1Sbonwick } else { 4142e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4143e05725b1Sbonwick } 4144fa9e4066Sahrens 4145e05725b1Sbonwick /* 4146e05725b1Sbonwick * Atomically update two entries in our zap object. 4147e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 4148e05725b1Sbonwick * in which the property was last updated. The second 4149e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 4150e05725b1Sbonwick * should be txg + object + n. 4151e05725b1Sbonwick */ 4152e05725b1Sbonwick tx = dmu_tx_create(os); 4153b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4154b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4155b24ab676SJeff Bonwick if (txg == 0) 4156e05725b1Sbonwick return; 4157fa9e4066Sahrens 4158e05725b1Sbonwick if (last_txg > txg) 4159e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 4160fa9e4066Sahrens 4161e05725b1Sbonwick for (i = 0; i < ints; i++) 4162e05725b1Sbonwick value[i] = txg + object + i; 4163fa9e4066Sahrens 4164b420f3adSRichard Lowe VERIFY3U(0, ==, zap_update(os, object, txgname, sizeof (uint64_t), 4165b24ab676SJeff Bonwick 1, &txg, tx)); 4166b420f3adSRichard Lowe VERIFY3U(0, ==, zap_update(os, object, propname, sizeof (uint64_t), 4167b24ab676SJeff Bonwick ints, value, tx)); 4168fa9e4066Sahrens 4169e05725b1Sbonwick dmu_tx_commit(tx); 4170fa9e4066Sahrens 4171e05725b1Sbonwick /* 4172e05725b1Sbonwick * Remove a random pair of entries. 4173e05725b1Sbonwick */ 4174e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 4175e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 4176e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 4177fa9e4066Sahrens 4178e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 4179fa9e4066Sahrens 4180e05725b1Sbonwick if (error == ENOENT) 4181e05725b1Sbonwick return; 4182fa9e4066Sahrens 4183fb09f5aaSMadhav Suresh ASSERT0(error); 4184fa9e4066Sahrens 4185e05725b1Sbonwick tx = dmu_tx_create(os); 4186b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4187b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4188b24ab676SJeff Bonwick if (txg == 0) 418912a2833aSSanjeev Bagewadi return; 4190b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, txgname, tx)); 4191b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, propname, tx)); 419212a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 419312a2833aSSanjeev Bagewadi } 419412a2833aSSanjeev Bagewadi 419512a2833aSSanjeev Bagewadi /* 419612a2833aSSanjeev Bagewadi * Testcase to test the upgrading of a microzap to fatzap. 419712a2833aSSanjeev Bagewadi */ 419812a2833aSSanjeev Bagewadi void 4199b24ab676SJeff Bonwick ztest_fzap(ztest_ds_t *zd, uint64_t id) 420012a2833aSSanjeev Bagewadi { 4201b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4202b24ab676SJeff Bonwick ztest_od_t od[1]; 4203b24ab676SJeff Bonwick uint64_t object, txg; 420412a2833aSSanjeev Bagewadi 4205b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 420612a2833aSSanjeev Bagewadi 4207b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4208b24ab676SJeff Bonwick return; 420912a2833aSSanjeev Bagewadi 4210b24ab676SJeff Bonwick object = od[0].od_object; 421112a2833aSSanjeev Bagewadi 421212a2833aSSanjeev Bagewadi /* 4213b24ab676SJeff Bonwick * Add entries to this ZAP and make sure it spills over 421412a2833aSSanjeev Bagewadi * and gets upgraded to a fatzap. Also, since we are adding 4215b24ab676SJeff Bonwick * 2050 entries we should see ptrtbl growth and leaf-block split. 421612a2833aSSanjeev Bagewadi */ 4217b24ab676SJeff Bonwick for (int i = 0; i < 2050; i++) { 4218b24ab676SJeff Bonwick char name[MAXNAMELEN]; 4219b24ab676SJeff Bonwick uint64_t value = i; 4220b24ab676SJeff Bonwick dmu_tx_t *tx; 4221b24ab676SJeff Bonwick int error; 422212a2833aSSanjeev Bagewadi 4223b24ab676SJeff Bonwick (void) snprintf(name, sizeof (name), "fzap-%llu-%llu", 4224b24ab676SJeff Bonwick id, value); 422512a2833aSSanjeev Bagewadi 4226b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4227b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, name); 4228b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4229b24ab676SJeff Bonwick if (txg == 0) 423012a2833aSSanjeev Bagewadi return; 4231b24ab676SJeff Bonwick error = zap_add(os, object, name, sizeof (uint64_t), 1, 4232b24ab676SJeff Bonwick &value, tx); 423312a2833aSSanjeev Bagewadi ASSERT(error == 0 || error == EEXIST); 423412a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 423512a2833aSSanjeev Bagewadi } 4236fa9e4066Sahrens } 4237fa9e4066Sahrens 4238b24ab676SJeff Bonwick /* ARGSUSED */ 4239fa9e4066Sahrens void 4240b24ab676SJeff Bonwick ztest_zap_parallel(ztest_ds_t *zd, uint64_t id) 4241fa9e4066Sahrens { 4242b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4243b24ab676SJeff Bonwick ztest_od_t od[1]; 4244fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 4245fa9e4066Sahrens dmu_tx_t *tx; 4246fa9e4066Sahrens int i, namelen, error; 4247b24ab676SJeff Bonwick int micro = ztest_random(2); 4248fa9e4066Sahrens char name[20], string_value[20]; 4249fa9e4066Sahrens void *data; 4250fa9e4066Sahrens 4251b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, micro, DMU_OT_ZAP_OTHER, 0, 0); 4252b24ab676SJeff Bonwick 4253b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4254b24ab676SJeff Bonwick return; 4255b24ab676SJeff Bonwick 4256b24ab676SJeff Bonwick object = od[0].od_object; 4257b24ab676SJeff Bonwick 4258e05725b1Sbonwick /* 4259e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 4260e05725b1Sbonwick * x is a random printable character and the dots are dots. 4261e05725b1Sbonwick * There are 94 such characters, and the name length goes from 4262e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 4263e05725b1Sbonwick */ 4264e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 4265fa9e4066Sahrens 4266e05725b1Sbonwick for (i = 0; i < 3; i++) 4267e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 4268e05725b1Sbonwick for (; i < namelen - 1; i++) 4269e05725b1Sbonwick name[i] = '.'; 4270e05725b1Sbonwick name[i] = '\0'; 4271fa9e4066Sahrens 4272b24ab676SJeff Bonwick if ((namelen & 1) || micro) { 4273e05725b1Sbonwick wsize = sizeof (txg); 4274e05725b1Sbonwick wc = 1; 4275e05725b1Sbonwick data = &txg; 4276e05725b1Sbonwick } else { 4277e05725b1Sbonwick wsize = 1; 4278e05725b1Sbonwick wc = namelen; 4279e05725b1Sbonwick data = string_value; 4280e05725b1Sbonwick } 4281fa9e4066Sahrens 4282e05725b1Sbonwick count = -1ULL; 4283e05725b1Sbonwick VERIFY(zap_count(os, object, &count) == 0); 4284e05725b1Sbonwick ASSERT(count != -1ULL); 4285fa9e4066Sahrens 4286e05725b1Sbonwick /* 4287e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 4288e05725b1Sbonwick */ 4289e05725b1Sbonwick i = ztest_random(5); 4290e05725b1Sbonwick 4291e05725b1Sbonwick if (i >= 2) { 4292e05725b1Sbonwick tx = dmu_tx_create(os); 4293b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4294b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4295b24ab676SJeff Bonwick if (txg == 0) 4296e05725b1Sbonwick return; 4297e05725b1Sbonwick bcopy(name, string_value, namelen); 4298e05725b1Sbonwick } else { 4299e05725b1Sbonwick tx = NULL; 4300e05725b1Sbonwick txg = 0; 4301e05725b1Sbonwick bzero(string_value, namelen); 4302e05725b1Sbonwick } 4303fa9e4066Sahrens 4304e05725b1Sbonwick switch (i) { 4305fa9e4066Sahrens 4306e05725b1Sbonwick case 0: 4307e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 4308e05725b1Sbonwick if (error == 0) { 4309e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 4310e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 4311e05725b1Sbonwick } else { 4312e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4313e05725b1Sbonwick } 4314e05725b1Sbonwick break; 4315fa9e4066Sahrens 4316e05725b1Sbonwick case 1: 4317e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 4318e05725b1Sbonwick if (error == 0) { 4319e05725b1Sbonwick if (data == string_value && 4320e05725b1Sbonwick bcmp(name, data, namelen) != 0) 4321e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 4322e05725b1Sbonwick name, data, namelen); 4323e05725b1Sbonwick } else { 4324e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4325e05725b1Sbonwick } 4326e05725b1Sbonwick break; 4327fa9e4066Sahrens 4328e05725b1Sbonwick case 2: 4329e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 4330e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 4331e05725b1Sbonwick break; 4332fa9e4066Sahrens 4333e05725b1Sbonwick case 3: 4334e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 4335e05725b1Sbonwick break; 4336fa9e4066Sahrens 4337e05725b1Sbonwick case 4: 4338e05725b1Sbonwick error = zap_remove(os, object, name, tx); 4339e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 4340e05725b1Sbonwick break; 4341fa9e4066Sahrens } 4342e05725b1Sbonwick 4343e05725b1Sbonwick if (tx != NULL) 4344e05725b1Sbonwick dmu_tx_commit(tx); 4345fa9e4066Sahrens } 4346fa9e4066Sahrens 4347d20e665cSRicardo M. Correia /* 4348d20e665cSRicardo M. Correia * Commit callback data. 4349d20e665cSRicardo M. Correia */ 4350d20e665cSRicardo M. Correia typedef struct ztest_cb_data { 4351d20e665cSRicardo M. Correia list_node_t zcd_node; 4352d20e665cSRicardo M. Correia uint64_t zcd_txg; 4353d20e665cSRicardo M. Correia int zcd_expected_err; 4354d20e665cSRicardo M. Correia boolean_t zcd_added; 4355d20e665cSRicardo M. Correia boolean_t zcd_called; 4356d20e665cSRicardo M. Correia spa_t *zcd_spa; 4357d20e665cSRicardo M. Correia } ztest_cb_data_t; 4358d20e665cSRicardo M. Correia 4359d20e665cSRicardo M. Correia /* This is the actual commit callback function */ 4360d20e665cSRicardo M. Correia static void 4361d20e665cSRicardo M. Correia ztest_commit_callback(void *arg, int error) 4362d20e665cSRicardo M. Correia { 4363d20e665cSRicardo M. Correia ztest_cb_data_t *data = arg; 4364d20e665cSRicardo M. Correia uint64_t synced_txg; 4365d20e665cSRicardo M. Correia 4366d20e665cSRicardo M. Correia VERIFY(data != NULL); 4367d20e665cSRicardo M. Correia VERIFY3S(data->zcd_expected_err, ==, error); 4368d20e665cSRicardo M. Correia VERIFY(!data->zcd_called); 4369d20e665cSRicardo M. Correia 4370d20e665cSRicardo M. Correia synced_txg = spa_last_synced_txg(data->zcd_spa); 4371d20e665cSRicardo M. Correia if (data->zcd_txg > synced_txg) 4372d20e665cSRicardo M. Correia fatal(0, "commit callback of txg %" PRIu64 " called prematurely" 4373d20e665cSRicardo M. Correia ", last synced txg = %" PRIu64 "\n", data->zcd_txg, 4374d20e665cSRicardo M. Correia synced_txg); 4375d20e665cSRicardo M. Correia 4376d20e665cSRicardo M. Correia data->zcd_called = B_TRUE; 4377d20e665cSRicardo M. Correia 4378d20e665cSRicardo M. Correia if (error == ECANCELED) { 4379fb09f5aaSMadhav Suresh ASSERT0(data->zcd_txg); 4380d20e665cSRicardo M. Correia ASSERT(!data->zcd_added); 4381d20e665cSRicardo M. Correia 4382d20e665cSRicardo M. Correia /* 4383d20e665cSRicardo M. Correia * The private callback data should be destroyed here, but 4384d20e665cSRicardo M. Correia * since we are going to check the zcd_called field after 4385d20e665cSRicardo M. Correia * dmu_tx_abort(), we will destroy it there. 4386d20e665cSRicardo M. Correia */ 4387d20e665cSRicardo M. Correia return; 4388d20e665cSRicardo M. Correia } 4389d20e665cSRicardo M. Correia 4390d20e665cSRicardo M. Correia /* Was this callback added to the global callback list? */ 4391d20e665cSRicardo M. Correia if (!data->zcd_added) 4392d20e665cSRicardo M. Correia goto out; 4393d20e665cSRicardo M. Correia 4394d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, !=, 0); 4395d20e665cSRicardo M. Correia 4396d20e665cSRicardo M. Correia /* Remove our callback from the list */ 4397d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4398d20e665cSRicardo M. Correia list_remove(&zcl.zcl_callbacks, data); 4399d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4400d20e665cSRicardo M. Correia 4401d20e665cSRicardo M. Correia out: 4402d20e665cSRicardo M. Correia umem_free(data, sizeof (ztest_cb_data_t)); 4403d20e665cSRicardo M. Correia } 4404d20e665cSRicardo M. Correia 4405d20e665cSRicardo M. Correia /* Allocate and initialize callback data structure */ 4406d20e665cSRicardo M. Correia static ztest_cb_data_t * 4407d20e665cSRicardo M. Correia ztest_create_cb_data(objset_t *os, uint64_t txg) 4408d20e665cSRicardo M. Correia { 4409d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data; 4410d20e665cSRicardo M. Correia 4411d20e665cSRicardo M. Correia cb_data = umem_zalloc(sizeof (ztest_cb_data_t), UMEM_NOFAIL); 4412d20e665cSRicardo M. Correia 4413d20e665cSRicardo M. Correia cb_data->zcd_txg = txg; 4414d20e665cSRicardo M. Correia cb_data->zcd_spa = dmu_objset_spa(os); 4415d20e665cSRicardo M. Correia 4416d20e665cSRicardo M. Correia return (cb_data); 4417d20e665cSRicardo M. Correia } 4418d20e665cSRicardo M. Correia 4419d20e665cSRicardo M. Correia /* 4420d20e665cSRicardo M. Correia * If a number of txgs equal to this threshold have been created after a commit 4421d20e665cSRicardo M. Correia * callback has been registered but not called, then we assume there is an 4422d20e665cSRicardo M. Correia * implementation bug. 4423d20e665cSRicardo M. Correia */ 4424d20e665cSRicardo M. Correia #define ZTEST_COMMIT_CALLBACK_THRESH (TXG_CONCURRENT_STATES + 2) 4425d20e665cSRicardo M. Correia 4426d20e665cSRicardo M. Correia /* 4427d20e665cSRicardo M. Correia * Commit callback test. 4428d20e665cSRicardo M. Correia */ 4429d20e665cSRicardo M. Correia void 4430b24ab676SJeff Bonwick ztest_dmu_commit_callbacks(ztest_ds_t *zd, uint64_t id) 4431d20e665cSRicardo M. Correia { 4432b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4433b24ab676SJeff Bonwick ztest_od_t od[1]; 4434d20e665cSRicardo M. Correia dmu_tx_t *tx; 4435d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data[3], *tmp_cb; 4436d20e665cSRicardo M. Correia uint64_t old_txg, txg; 4437d20e665cSRicardo M. Correia int i, error; 4438d20e665cSRicardo M. Correia 4439b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 4440b24ab676SJeff Bonwick 4441b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4442b24ab676SJeff Bonwick return; 4443b24ab676SJeff Bonwick 4444d20e665cSRicardo M. Correia tx = dmu_tx_create(os); 4445d20e665cSRicardo M. Correia 4446d20e665cSRicardo M. Correia cb_data[0] = ztest_create_cb_data(os, 0); 4447d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[0]); 4448d20e665cSRicardo M. Correia 4449b24ab676SJeff Bonwick dmu_tx_hold_write(tx, od[0].od_object, 0, sizeof (uint64_t)); 4450d20e665cSRicardo M. Correia 4451d20e665cSRicardo M. Correia /* Every once in a while, abort the transaction on purpose */ 4452d20e665cSRicardo M. Correia if (ztest_random(100) == 0) 4453d20e665cSRicardo M. Correia error = -1; 4454d20e665cSRicardo M. Correia 4455d20e665cSRicardo M. Correia if (!error) 4456d20e665cSRicardo M. Correia error = dmu_tx_assign(tx, TXG_NOWAIT); 4457d20e665cSRicardo M. Correia 4458d20e665cSRicardo M. Correia txg = error ? 0 : dmu_tx_get_txg(tx); 4459d20e665cSRicardo M. Correia 4460d20e665cSRicardo M. Correia cb_data[0]->zcd_txg = txg; 4461d20e665cSRicardo M. Correia cb_data[1] = ztest_create_cb_data(os, txg); 4462d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[1]); 4463d20e665cSRicardo M. Correia 4464d20e665cSRicardo M. Correia if (error) { 4465d20e665cSRicardo M. Correia /* 4466d20e665cSRicardo M. Correia * It's not a strict requirement to call the registered 4467d20e665cSRicardo M. Correia * callbacks from inside dmu_tx_abort(), but that's what 4468d20e665cSRicardo M. Correia * it's supposed to happen in the current implementation 4469d20e665cSRicardo M. Correia * so we will check for that. 4470d20e665cSRicardo M. Correia */ 4471d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4472d20e665cSRicardo M. Correia cb_data[i]->zcd_expected_err = ECANCELED; 4473d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4474d20e665cSRicardo M. Correia } 4475d20e665cSRicardo M. Correia 4476d20e665cSRicardo M. Correia dmu_tx_abort(tx); 4477d20e665cSRicardo M. Correia 4478d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4479d20e665cSRicardo M. Correia VERIFY(cb_data[i]->zcd_called); 4480d20e665cSRicardo M. Correia umem_free(cb_data[i], sizeof (ztest_cb_data_t)); 4481d20e665cSRicardo M. Correia } 4482d20e665cSRicardo M. Correia 4483d20e665cSRicardo M. Correia return; 4484d20e665cSRicardo M. Correia } 4485d20e665cSRicardo M. Correia 4486d20e665cSRicardo M. Correia cb_data[2] = ztest_create_cb_data(os, txg); 4487d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[2]); 4488d20e665cSRicardo M. Correia 4489d20e665cSRicardo M. Correia /* 4490d20e665cSRicardo M. Correia * Read existing data to make sure there isn't a future leak. 4491d20e665cSRicardo M. Correia */ 4492b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, od[0].od_object, 0, sizeof (uint64_t), 4493d20e665cSRicardo M. Correia &old_txg, DMU_READ_PREFETCH)); 4494d20e665cSRicardo M. Correia 4495d20e665cSRicardo M. Correia if (old_txg > txg) 4496d20e665cSRicardo M. Correia fatal(0, "future leak: got %" PRIu64 ", open txg is %" PRIu64, 4497d20e665cSRicardo M. Correia old_txg, txg); 4498d20e665cSRicardo M. Correia 4499b24ab676SJeff Bonwick dmu_write(os, od[0].od_object, 0, sizeof (uint64_t), &txg, tx); 4500d20e665cSRicardo M. Correia 4501d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4502d20e665cSRicardo M. Correia 4503d20e665cSRicardo M. Correia /* 4504d20e665cSRicardo M. Correia * Since commit callbacks don't have any ordering requirement and since 4505d20e665cSRicardo M. Correia * it is theoretically possible for a commit callback to be called 4506d20e665cSRicardo M. Correia * after an arbitrary amount of time has elapsed since its txg has been 4507d20e665cSRicardo M. Correia * synced, it is difficult to reliably determine whether a commit 4508d20e665cSRicardo M. Correia * callback hasn't been called due to high load or due to a flawed 4509d20e665cSRicardo M. Correia * implementation. 4510d20e665cSRicardo M. Correia * 4511d20e665cSRicardo M. Correia * In practice, we will assume that if after a certain number of txgs a 4512d20e665cSRicardo M. Correia * commit callback hasn't been called, then most likely there's an 4513d20e665cSRicardo M. Correia * implementation bug.. 4514d20e665cSRicardo M. Correia */ 4515d20e665cSRicardo M. Correia tmp_cb = list_head(&zcl.zcl_callbacks); 4516d20e665cSRicardo M. Correia if (tmp_cb != NULL && 4517d20e665cSRicardo M. Correia tmp_cb->zcd_txg > txg - ZTEST_COMMIT_CALLBACK_THRESH) { 4518d20e665cSRicardo M. Correia fatal(0, "Commit callback threshold exceeded, oldest txg: %" 4519d20e665cSRicardo M. Correia PRIu64 ", open txg: %" PRIu64 "\n", tmp_cb->zcd_txg, txg); 4520d20e665cSRicardo M. Correia } 4521d20e665cSRicardo M. Correia 4522d20e665cSRicardo M. Correia /* 4523d20e665cSRicardo M. Correia * Let's find the place to insert our callbacks. 4524d20e665cSRicardo M. Correia * 4525d20e665cSRicardo M. Correia * Even though the list is ordered by txg, it is possible for the 4526d20e665cSRicardo M. Correia * insertion point to not be the end because our txg may already be 4527d20e665cSRicardo M. Correia * quiescing at this point and other callbacks in the open txg 4528d20e665cSRicardo M. Correia * (from other objsets) may have sneaked in. 4529d20e665cSRicardo M. Correia */ 4530d20e665cSRicardo M. Correia tmp_cb = list_tail(&zcl.zcl_callbacks); 4531d20e665cSRicardo M. Correia while (tmp_cb != NULL && tmp_cb->zcd_txg > txg) 4532d20e665cSRicardo M. Correia tmp_cb = list_prev(&zcl.zcl_callbacks, tmp_cb); 4533d20e665cSRicardo M. Correia 4534d20e665cSRicardo M. Correia /* Add the 3 callbacks to the list */ 4535d20e665cSRicardo M. Correia for (i = 0; i < 3; i++) { 4536d20e665cSRicardo M. Correia if (tmp_cb == NULL) 4537d20e665cSRicardo M. Correia list_insert_head(&zcl.zcl_callbacks, cb_data[i]); 4538d20e665cSRicardo M. Correia else 4539d20e665cSRicardo M. Correia list_insert_after(&zcl.zcl_callbacks, tmp_cb, 4540d20e665cSRicardo M. Correia cb_data[i]); 4541d20e665cSRicardo M. Correia 4542d20e665cSRicardo M. Correia cb_data[i]->zcd_added = B_TRUE; 4543d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4544d20e665cSRicardo M. Correia 4545d20e665cSRicardo M. Correia tmp_cb = cb_data[i]; 4546d20e665cSRicardo M. Correia } 4547d20e665cSRicardo M. Correia 4548d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4549d20e665cSRicardo M. Correia 4550d20e665cSRicardo M. Correia dmu_tx_commit(tx); 4551d20e665cSRicardo M. Correia } 4552d20e665cSRicardo M. Correia 4553b24ab676SJeff Bonwick /* ARGSUSED */ 4554fa9e4066Sahrens void 4555b24ab676SJeff Bonwick ztest_dsl_prop_get_set(ztest_ds_t *zd, uint64_t id) 4556fa9e4066Sahrens { 4557b24ab676SJeff Bonwick zfs_prop_t proplist[] = { 4558b24ab676SJeff Bonwick ZFS_PROP_CHECKSUM, 4559b24ab676SJeff Bonwick ZFS_PROP_COMPRESSION, 4560b24ab676SJeff Bonwick ZFS_PROP_COPIES, 4561b24ab676SJeff Bonwick ZFS_PROP_DEDUP 4562b24ab676SJeff Bonwick }; 4563fa9e4066Sahrens 4564420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 4565fa9e4066Sahrens 4566b24ab676SJeff Bonwick for (int p = 0; p < sizeof (proplist) / sizeof (proplist[0]); p++) 4567b24ab676SJeff Bonwick (void) ztest_dsl_prop_set_uint64(zd->zd_name, proplist[p], 4568b24ab676SJeff Bonwick ztest_random_dsl_prop(proplist[p]), (int)ztest_random(2)); 4569fa9e4066Sahrens 4570420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4571b24ab676SJeff Bonwick } 4572fa9e4066Sahrens 4573b24ab676SJeff Bonwick /* ARGSUSED */ 4574b24ab676SJeff Bonwick void 4575b24ab676SJeff Bonwick ztest_spa_prop_get_set(ztest_ds_t *zd, uint64_t id) 4576b24ab676SJeff Bonwick { 4577b24ab676SJeff Bonwick nvlist_t *props = NULL; 4578ea8dc4b6Seschrock 4579420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 4580ea8dc4b6Seschrock 4581420dfc95SChris Siden (void) ztest_spa_prop_set_uint64(ZPOOL_PROP_DEDUPDITTO, 4582b24ab676SJeff Bonwick ZIO_DEDUPDITTO_MIN + ztest_random(ZIO_DEDUPDITTO_MIN)); 4583fa9e4066Sahrens 4584fb09f5aaSMadhav Suresh VERIFY0(spa_prop_get(ztest_spa, &props)); 4585fa9e4066Sahrens 4586420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 4587b24ab676SJeff Bonwick dump_nvlist(props, 4); 4588fa9e4066Sahrens 4589b24ab676SJeff Bonwick nvlist_free(props); 4590fa9e4066Sahrens 4591420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4592fa9e4066Sahrens } 4593fa9e4066Sahrens 45945c987a37SChris Kirby /* 45955c987a37SChris Kirby * Test snapshot hold/release and deferred destroy. 45965c987a37SChris Kirby */ 45975c987a37SChris Kirby void 4598b24ab676SJeff Bonwick ztest_dmu_snapshot_hold(ztest_ds_t *zd, uint64_t id) 45995c987a37SChris Kirby { 46005c987a37SChris Kirby int error; 4601b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 46025c987a37SChris Kirby objset_t *origin; 46035c987a37SChris Kirby char snapname[100]; 46045c987a37SChris Kirby char fullname[100]; 46055c987a37SChris Kirby char clonename[100]; 46065c987a37SChris Kirby char tag[100]; 46075c987a37SChris Kirby char osname[MAXNAMELEN]; 46085c987a37SChris Kirby 4609420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 46105c987a37SChris Kirby 46115c987a37SChris Kirby dmu_objset_name(os, osname); 46125c987a37SChris Kirby 4613b24ab676SJeff Bonwick (void) snprintf(snapname, 100, "sh1_%llu", id); 46145c987a37SChris Kirby (void) snprintf(fullname, 100, "%s@%s", osname, snapname); 4615b24ab676SJeff Bonwick (void) snprintf(clonename, 100, "%s/ch1_%llu", osname, id); 4616b24ab676SJeff Bonwick (void) snprintf(tag, 100, "%tag_%llu", id); 46175c987a37SChris Kirby 46185c987a37SChris Kirby /* 46195c987a37SChris Kirby * Clean up from any previous run. 46205c987a37SChris Kirby */ 46215c987a37SChris Kirby (void) dmu_objset_destroy(clonename, B_FALSE); 46225c987a37SChris Kirby (void) dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 46235c987a37SChris Kirby (void) dmu_objset_destroy(fullname, B_FALSE); 46245c987a37SChris Kirby 46255c987a37SChris Kirby /* 46265c987a37SChris Kirby * Create snapshot, clone it, mark snap for deferred destroy, 46275c987a37SChris Kirby * destroy clone, verify snap was also destroyed. 46285c987a37SChris Kirby */ 46294445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, snapname); 46305c987a37SChris Kirby if (error) { 46315c987a37SChris Kirby if (error == ENOSPC) { 46325c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 46335c987a37SChris Kirby goto out; 46345c987a37SChris Kirby } 46355c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 46365c987a37SChris Kirby } 46375c987a37SChris Kirby 46385c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 46395c987a37SChris Kirby if (error) 46405c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 46415c987a37SChris Kirby 46425c987a37SChris Kirby error = dmu_objset_clone(clonename, dmu_objset_ds(origin), 0); 46435c987a37SChris Kirby dmu_objset_rele(origin, FTAG); 46445c987a37SChris Kirby if (error) { 46455c987a37SChris Kirby if (error == ENOSPC) { 46465c987a37SChris Kirby ztest_record_enospc("dmu_objset_clone"); 46475c987a37SChris Kirby goto out; 46485c987a37SChris Kirby } 46495c987a37SChris Kirby fatal(0, "dmu_objset_clone(%s) = %d", clonename, error); 46505c987a37SChris Kirby } 46515c987a37SChris Kirby 46525c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 46535c987a37SChris Kirby if (error) { 46545c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 46555c987a37SChris Kirby fullname, error); 46565c987a37SChris Kirby } 46575c987a37SChris Kirby 46585c987a37SChris Kirby error = dmu_objset_destroy(clonename, B_FALSE); 46595c987a37SChris Kirby if (error) 46605c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s) = %d", clonename, error); 46615c987a37SChris Kirby 46625c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 46635c987a37SChris Kirby if (error != ENOENT) 46645c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 46655c987a37SChris Kirby 46665c987a37SChris Kirby /* 46675c987a37SChris Kirby * Create snapshot, add temporary hold, verify that we can't 46685c987a37SChris Kirby * destroy a held snapshot, mark for deferred destroy, 46695c987a37SChris Kirby * release hold, verify snapshot was destroyed. 46705c987a37SChris Kirby */ 46714445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, snapname); 46725c987a37SChris Kirby if (error) { 46735c987a37SChris Kirby if (error == ENOSPC) { 46745c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 46755c987a37SChris Kirby goto out; 46765c987a37SChris Kirby } 46775c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 46785c987a37SChris Kirby } 46795c987a37SChris Kirby 4680c99e4bdcSChris Kirby error = dsl_dataset_user_hold(osname, snapname, tag, B_FALSE, 4681c99e4bdcSChris Kirby B_TRUE, -1); 46825c987a37SChris Kirby if (error) 46835c987a37SChris Kirby fatal(0, "dsl_dataset_user_hold(%s)", fullname, tag); 46845c987a37SChris Kirby 46855c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_FALSE); 46865c987a37SChris Kirby if (error != EBUSY) { 46875c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_FALSE) = %d", 46885c987a37SChris Kirby fullname, error); 46895c987a37SChris Kirby } 46905c987a37SChris Kirby 46915c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 46925c987a37SChris Kirby if (error) { 46935c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 46945c987a37SChris Kirby fullname, error); 46955c987a37SChris Kirby } 46965c987a37SChris Kirby 46975c987a37SChris Kirby error = dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 46985c987a37SChris Kirby if (error) 46995c987a37SChris Kirby fatal(0, "dsl_dataset_user_release(%s)", fullname, tag); 47005c987a37SChris Kirby 47015c987a37SChris Kirby VERIFY(dmu_objset_hold(fullname, FTAG, &origin) == ENOENT); 47025c987a37SChris Kirby 47035c987a37SChris Kirby out: 4704420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 47055c987a37SChris Kirby } 47065c987a37SChris Kirby 4707fa9e4066Sahrens /* 4708fa9e4066Sahrens * Inject random faults into the on-disk data. 4709fa9e4066Sahrens */ 4710b24ab676SJeff Bonwick /* ARGSUSED */ 4711fa9e4066Sahrens void 4712b24ab676SJeff Bonwick ztest_fault_inject(ztest_ds_t *zd, uint64_t id) 4713fa9e4066Sahrens { 4714b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4715420dfc95SChris Siden spa_t *spa = ztest_spa; 4716fa9e4066Sahrens int fd; 4717fa9e4066Sahrens uint64_t offset; 47181195e687SMark J Musante uint64_t leaves; 4719fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 4720fa9e4066Sahrens uint64_t top, leaf; 4721fa9e4066Sahrens char path0[MAXPATHLEN]; 4722fa9e4066Sahrens char pathrand[MAXPATHLEN]; 4723fa9e4066Sahrens size_t fsize; 4724fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 4725fa9e4066Sahrens int iters = 1000; 47261195e687SMark J Musante int maxfaults; 47271195e687SMark J Musante int mirror_save; 4728e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 4729ea8dc4b6Seschrock uint64_t guid0 = 0; 47308f18d1faSGeorge Wilson boolean_t islog = B_FALSE; 4731ea8dc4b6Seschrock 4732420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 47331195e687SMark J Musante maxfaults = MAXFAULTS(); 4734420dfc95SChris Siden leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz; 47351195e687SMark J Musante mirror_save = zs->zs_mirrors; 4736420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 47371195e687SMark J Musante 4738e14bb325SJeff Bonwick ASSERT(leaves >= 1); 4739fa9e4066Sahrens 4740fa9e4066Sahrens /* 4741e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 4742fa9e4066Sahrens */ 4743e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 4744fa9e4066Sahrens 4745e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 4746e14bb325SJeff Bonwick /* 4747b24ab676SJeff Bonwick * Inject errors on a normal data device or slog device. 4748e14bb325SJeff Bonwick */ 4749b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 47501195e687SMark J Musante leaf = ztest_random(leaves) + zs->zs_splits; 4751fa9e4066Sahrens 4752e14bb325SJeff Bonwick /* 4753e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 4754e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 4755e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 4756e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 4757e14bb325SJeff Bonwick */ 4758e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 4759420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 4760420dfc95SChris Siden top * leaves + zs->zs_splits); 4761e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 4762420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 4763420dfc95SChris Siden top * leaves + leaf); 4764fa9e4066Sahrens 4765e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 47668f18d1faSGeorge Wilson if (vd0 != NULL && vd0->vdev_top->vdev_islog) 47678f18d1faSGeorge Wilson islog = B_TRUE; 47688f18d1faSGeorge Wilson 4769e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 4770e14bb325SJeff Bonwick /* 4771e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 4772e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 4773e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 4774e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 4775e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 4776e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 4777e14bb325SJeff Bonwick * combination of this with injection of random data 4778e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 4779e14bb325SJeff Bonwick */ 4780e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 4781e14bb325SJeff Bonwick 4782e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 4783e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 4784e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 4785e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 4786e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 4787e14bb325SJeff Bonwick } else { 4788e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 4789e14bb325SJeff Bonwick } 4790e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 4791e14bb325SJeff Bonwick } 4792e14bb325SJeff Bonwick } else { 4793e14bb325SJeff Bonwick /* 4794e14bb325SJeff Bonwick * Inject errors on an l2cache device. 4795e14bb325SJeff Bonwick */ 4796e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 4797fa9e4066Sahrens 4798e14bb325SJeff Bonwick if (sav->sav_count == 0) { 4799e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4800e14bb325SJeff Bonwick return; 4801e14bb325SJeff Bonwick } 4802e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 4803ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 4804e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 4805e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 4806e14bb325SJeff Bonwick 4807e14bb325SJeff Bonwick leaf = 0; 4808e14bb325SJeff Bonwick leaves = 1; 4809e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 4810fa9e4066Sahrens } 4811fa9e4066Sahrens 4812e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4813e14bb325SJeff Bonwick 4814fa9e4066Sahrens /* 48158f18d1faSGeorge Wilson * If we can tolerate two or more faults, or we're dealing 48168f18d1faSGeorge Wilson * with a slog, randomly online/offline vd0. 4817fa9e4066Sahrens */ 48188f18d1faSGeorge Wilson if ((maxfaults >= 2 || islog) && guid0 != 0) { 48198ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 48208ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 48218ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 48228f18d1faSGeorge Wilson 48238f18d1faSGeorge Wilson /* 48248f18d1faSGeorge Wilson * We have to grab the zs_name_lock as writer to 48258f18d1faSGeorge Wilson * prevent a race between offlining a slog and 48268f18d1faSGeorge Wilson * destroying a dataset. Offlining the slog will 48278f18d1faSGeorge Wilson * grab a reference on the dataset which may cause 48288f18d1faSGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 48298f18d1faSGeorge Wilson * leaving the dataset in an inconsistent state. 48308f18d1faSGeorge Wilson */ 48318f18d1faSGeorge Wilson if (islog) 4832420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 48338f18d1faSGeorge Wilson 48348ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 48358f18d1faSGeorge Wilson 48368f18d1faSGeorge Wilson if (islog) 4837420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 48388ad4d6ddSJeff Bonwick } else { 48399253d63dSGeorge Wilson /* 48409253d63dSGeorge Wilson * Ideally we would like to be able to randomly 48419253d63dSGeorge Wilson * call vdev_[on|off]line without holding locks 48429253d63dSGeorge Wilson * to force unpredictable failures but the side 48439253d63dSGeorge Wilson * effects of vdev_[on|off]line prevent us from 48449253d63dSGeorge Wilson * doing so. We grab the ztest_vdev_lock here to 48459253d63dSGeorge Wilson * prevent a race between injection testing and 48469253d63dSGeorge Wilson * aux_vdev removal. 48479253d63dSGeorge Wilson */ 48489253d63dSGeorge Wilson VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 48498ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 48509253d63dSGeorge Wilson VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 48518ad4d6ddSJeff Bonwick } 4852fa9e4066Sahrens } 4853fa9e4066Sahrens 48548f18d1faSGeorge Wilson if (maxfaults == 0) 48558f18d1faSGeorge Wilson return; 48568f18d1faSGeorge Wilson 4857fa9e4066Sahrens /* 4858ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 4859fa9e4066Sahrens */ 4860fa9e4066Sahrens fd = open(pathrand, O_RDWR); 4861fa9e4066Sahrens 4862fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 4863fa9e4066Sahrens return; 4864fa9e4066Sahrens 4865fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 4866fa9e4066Sahrens 4867fa9e4066Sahrens while (--iters != 0) { 4868fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 4869fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 4870fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 4871fa9e4066Sahrens 4872fa9e4066Sahrens if (offset >= fsize) 4873fa9e4066Sahrens continue; 4874fa9e4066Sahrens 4875420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 48761195e687SMark J Musante if (mirror_save != zs->zs_mirrors) { 4877420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 48781195e687SMark J Musante (void) close(fd); 48791195e687SMark J Musante return; 48801195e687SMark J Musante } 4881fa9e4066Sahrens 4882fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 4883fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 4884fa9e4066Sahrens offset, pathrand); 48851195e687SMark J Musante 4886420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 48871195e687SMark J Musante 4888420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) 48891195e687SMark J Musante (void) printf("injected bad word into %s," 48901195e687SMark J Musante " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 4891fa9e4066Sahrens } 4892fa9e4066Sahrens 4893fa9e4066Sahrens (void) close(fd); 4894fa9e4066Sahrens } 4895fa9e4066Sahrens 4896fa9e4066Sahrens /* 4897b24ab676SJeff Bonwick * Verify that DDT repair works as expected. 4898fa9e4066Sahrens */ 4899fa9e4066Sahrens void 4900b24ab676SJeff Bonwick ztest_ddt_repair(ztest_ds_t *zd, uint64_t id) 4901fa9e4066Sahrens { 4902b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4903420dfc95SChris Siden spa_t *spa = ztest_spa; 4904b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4905b24ab676SJeff Bonwick ztest_od_t od[1]; 4906b24ab676SJeff Bonwick uint64_t object, blocksize, txg, pattern, psize; 4907b24ab676SJeff Bonwick enum zio_checksum checksum = spa_dedup_checksum(spa); 4908b24ab676SJeff Bonwick dmu_buf_t *db; 4909b24ab676SJeff Bonwick dmu_tx_t *tx; 4910b24ab676SJeff Bonwick void *buf; 4911b24ab676SJeff Bonwick blkptr_t blk; 4912b24ab676SJeff Bonwick int copies = 2 * ZIO_DEDUPDITTO_MIN; 4913fa9e4066Sahrens 4914b24ab676SJeff Bonwick blocksize = ztest_random_blocksize(); 4915b24ab676SJeff Bonwick blocksize = MIN(blocksize, 2048); /* because we write so many */ 4916fa9e4066Sahrens 4917b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 4918fa9e4066Sahrens 4919b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4920b24ab676SJeff Bonwick return; 4921fa9e4066Sahrens 4922fa9e4066Sahrens /* 4923b24ab676SJeff Bonwick * Take the name lock as writer to prevent anyone else from changing 4924b24ab676SJeff Bonwick * the pool and dataset properies we need to maintain during this test. 4925fa9e4066Sahrens */ 4926420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 4927fa9e4066Sahrens 4928b24ab676SJeff Bonwick if (ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_DEDUP, checksum, 4929b24ab676SJeff Bonwick B_FALSE) != 0 || 4930b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_COPIES, 1, 4931b24ab676SJeff Bonwick B_FALSE) != 0) { 4932420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4933b24ab676SJeff Bonwick return; 4934b24ab676SJeff Bonwick } 4935b24ab676SJeff Bonwick 4936b24ab676SJeff Bonwick object = od[0].od_object; 4937b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 4938e9103aaeSGarrett D'Amore pattern = zs->zs_guid ^ dmu_objset_fsid_guid(os); 4939b24ab676SJeff Bonwick 4940b24ab676SJeff Bonwick ASSERT(object != 0); 4941b24ab676SJeff Bonwick 4942b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4943b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, 0, copies * blocksize); 4944b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 4945b24ab676SJeff Bonwick if (txg == 0) { 4946420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4947b24ab676SJeff Bonwick return; 4948b24ab676SJeff Bonwick } 4949fa9e4066Sahrens 4950fa9e4066Sahrens /* 4951b24ab676SJeff Bonwick * Write all the copies of our block. 4952fa9e4066Sahrens */ 4953b24ab676SJeff Bonwick for (int i = 0; i < copies; i++) { 4954b24ab676SJeff Bonwick uint64_t offset = i * blocksize; 4955*80901aeaSGeorge Wilson VERIFY0(dmu_buf_hold(os, object, offset, FTAG, &db, 4956*80901aeaSGeorge Wilson DMU_READ_NO_PREFETCH)); 4957b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 4958b24ab676SJeff Bonwick ASSERT(db->db_size == blocksize); 4959b24ab676SJeff Bonwick ASSERT(ztest_pattern_match(db->db_data, db->db_size, pattern) || 4960b24ab676SJeff Bonwick ztest_pattern_match(db->db_data, db->db_size, 0ULL)); 4961b24ab676SJeff Bonwick dmu_buf_will_fill(db, tx); 4962b24ab676SJeff Bonwick ztest_pattern_set(db->db_data, db->db_size, pattern); 4963b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4964b24ab676SJeff Bonwick } 4965fa9e4066Sahrens 4966b24ab676SJeff Bonwick dmu_tx_commit(tx); 4967b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), txg); 4968fa9e4066Sahrens 4969fa9e4066Sahrens /* 4970b24ab676SJeff Bonwick * Find out what block we got. 4971fa9e4066Sahrens */ 4972*80901aeaSGeorge Wilson VERIFY0(dmu_buf_hold(os, object, 0, FTAG, &db, 4973*80901aeaSGeorge Wilson DMU_READ_NO_PREFETCH)); 4974b24ab676SJeff Bonwick blk = *((dmu_buf_impl_t *)db)->db_blkptr; 4975b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4976fa9e4066Sahrens 4977fa9e4066Sahrens /* 4978b24ab676SJeff Bonwick * Damage the block. Dedup-ditto will save us when we read it later. 4979fa9e4066Sahrens */ 4980b24ab676SJeff Bonwick psize = BP_GET_PSIZE(&blk); 4981b24ab676SJeff Bonwick buf = zio_buf_alloc(psize); 4982b24ab676SJeff Bonwick ztest_pattern_set(buf, psize, ~pattern); 4983fa9e4066Sahrens 4984b24ab676SJeff Bonwick (void) zio_wait(zio_rewrite(NULL, spa, 0, &blk, 4985b24ab676SJeff Bonwick buf, psize, NULL, NULL, ZIO_PRIORITY_SYNC_WRITE, 4986b24ab676SJeff Bonwick ZIO_FLAG_CANFAIL | ZIO_FLAG_INDUCE_DAMAGE, NULL)); 4987fa9e4066Sahrens 4988b24ab676SJeff Bonwick zio_buf_free(buf, psize); 4989fa9e4066Sahrens 4990420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4991fa9e4066Sahrens } 4992fa9e4066Sahrens 4993fa9e4066Sahrens /* 4994b24ab676SJeff Bonwick * Scrub the pool. 4995fa9e4066Sahrens */ 4996b24ab676SJeff Bonwick /* ARGSUSED */ 4997b24ab676SJeff Bonwick void 4998b24ab676SJeff Bonwick ztest_scrub(ztest_ds_t *zd, uint64_t id) 4999fa9e4066Sahrens { 5000420dfc95SChris Siden spa_t *spa = ztest_spa; 5001fa9e4066Sahrens 50023f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 5003b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); /* wait a moment, then force a restart */ 50043f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 5005b24ab676SJeff Bonwick } 5006fa9e4066Sahrens 5007e9103aaeSGarrett D'Amore /* 5008e9103aaeSGarrett D'Amore * Change the guid for the pool. 5009e9103aaeSGarrett D'Amore */ 5010e9103aaeSGarrett D'Amore /* ARGSUSED */ 5011e9103aaeSGarrett D'Amore void 5012e9103aaeSGarrett D'Amore ztest_reguid(ztest_ds_t *zd, uint64_t id) 5013e9103aaeSGarrett D'Amore { 5014420dfc95SChris Siden spa_t *spa = ztest_spa; 5015e9103aaeSGarrett D'Amore uint64_t orig, load; 5016dfbb9432SGeorge Wilson int error; 5017e9103aaeSGarrett D'Amore 5018e9103aaeSGarrett D'Amore orig = spa_guid(spa); 5019e9103aaeSGarrett D'Amore load = spa_load_guid(spa); 5020dfbb9432SGeorge Wilson 5021dfbb9432SGeorge Wilson (void) rw_wrlock(&ztest_name_lock); 5022dfbb9432SGeorge Wilson error = spa_change_guid(spa); 5023dfbb9432SGeorge Wilson (void) rw_unlock(&ztest_name_lock); 5024dfbb9432SGeorge Wilson 5025dfbb9432SGeorge Wilson if (error != 0) 5026e9103aaeSGarrett D'Amore return; 5027e9103aaeSGarrett D'Amore 502825345e46SGeorge Wilson if (ztest_opts.zo_verbose >= 4) { 5029e9103aaeSGarrett D'Amore (void) printf("Changed guid old %llu -> %llu\n", 5030e9103aaeSGarrett D'Amore (u_longlong_t)orig, (u_longlong_t)spa_guid(spa)); 5031e9103aaeSGarrett D'Amore } 5032e9103aaeSGarrett D'Amore 5033e9103aaeSGarrett D'Amore VERIFY3U(orig, !=, spa_guid(spa)); 5034e9103aaeSGarrett D'Amore VERIFY3U(load, ==, spa_load_guid(spa)); 5035e9103aaeSGarrett D'Amore } 5036e9103aaeSGarrett D'Amore 5037b24ab676SJeff Bonwick /* 5038b24ab676SJeff Bonwick * Rename the pool to a different name and then rename it back. 5039b24ab676SJeff Bonwick */ 5040b24ab676SJeff Bonwick /* ARGSUSED */ 5041b24ab676SJeff Bonwick void 5042b24ab676SJeff Bonwick ztest_spa_rename(ztest_ds_t *zd, uint64_t id) 5043b24ab676SJeff Bonwick { 5044b24ab676SJeff Bonwick char *oldname, *newname; 5045b24ab676SJeff Bonwick spa_t *spa; 5046fa9e4066Sahrens 5047420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 5048fa9e4066Sahrens 5049420dfc95SChris Siden oldname = ztest_opts.zo_pool; 5050b24ab676SJeff Bonwick newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 5051b24ab676SJeff Bonwick (void) strcpy(newname, oldname); 5052b24ab676SJeff Bonwick (void) strcat(newname, "_tmp"); 5053fa9e4066Sahrens 5054fa9e4066Sahrens /* 5055b24ab676SJeff Bonwick * Do the rename 5056fa9e4066Sahrens */ 5057b420f3adSRichard Lowe VERIFY3U(0, ==, spa_rename(oldname, newname)); 5058fa9e4066Sahrens 5059fa9e4066Sahrens /* 5060b24ab676SJeff Bonwick * Try to open it under the old name, which shouldn't exist 5061fa9e4066Sahrens */ 5062b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 5063fa9e4066Sahrens 5064fa9e4066Sahrens /* 5065b24ab676SJeff Bonwick * Open it under the new name and make sure it's still the same spa_t. 5066fa9e4066Sahrens */ 5067b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 5068fa9e4066Sahrens 5069420dfc95SChris Siden ASSERT(spa == ztest_spa); 5070b24ab676SJeff Bonwick spa_close(spa, FTAG); 5071fa9e4066Sahrens 5072b24ab676SJeff Bonwick /* 5073b24ab676SJeff Bonwick * Rename it back to the original 5074b24ab676SJeff Bonwick */ 5075b420f3adSRichard Lowe VERIFY3U(0, ==, spa_rename(newname, oldname)); 5076fa9e4066Sahrens 5077fa9e4066Sahrens /* 5078b24ab676SJeff Bonwick * Make sure it can still be opened 5079fa9e4066Sahrens */ 5080b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 5081fa9e4066Sahrens 5082420dfc95SChris Siden ASSERT(spa == ztest_spa); 5083b24ab676SJeff Bonwick spa_close(spa, FTAG); 5084fa9e4066Sahrens 5085b24ab676SJeff Bonwick umem_free(newname, strlen(newname) + 1); 5086b24ab676SJeff Bonwick 5087420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5088fa9e4066Sahrens } 5089fa9e4066Sahrens 5090b24ab676SJeff Bonwick /* 5091b24ab676SJeff Bonwick * Verify pool integrity by running zdb. 5092b24ab676SJeff Bonwick */ 5093fa9e4066Sahrens static void 5094b24ab676SJeff Bonwick ztest_run_zdb(char *pool) 5095fa9e4066Sahrens { 5096fa9e4066Sahrens int status; 5097fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 5098fa9e4066Sahrens char zbuf[1024]; 5099fa9e4066Sahrens char *bin; 51008654d025Sperrin char *ztest; 51018654d025Sperrin char *isa; 51028654d025Sperrin int isalen; 5103fa9e4066Sahrens FILE *fp; 5104fa9e4066Sahrens 5105fa9e4066Sahrens (void) realpath(getexecname(), zdb); 5106fa9e4066Sahrens 5107fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 5108fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 51098654d025Sperrin ztest = strstr(bin, "/ztest"); 51108654d025Sperrin isa = bin + 8; 51118654d025Sperrin isalen = ztest - isa; 51128654d025Sperrin isa = strdup(isa); 5113fa9e4066Sahrens /* LINTED */ 51143a57275aSck (void) sprintf(bin, 5115f0ba89beSJeff Bonwick "/usr/sbin%.*s/zdb -bcc%s%s -U %s %s", 51168654d025Sperrin isalen, 51178654d025Sperrin isa, 5118420dfc95SChris Siden ztest_opts.zo_verbose >= 3 ? "s" : "", 5119420dfc95SChris Siden ztest_opts.zo_verbose >= 4 ? "v" : "", 5120f0ba89beSJeff Bonwick spa_config_path, 512188b7b0f2SMatthew Ahrens pool); 51228654d025Sperrin free(isa); 5123fa9e4066Sahrens 5124420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) 5125fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 5126fa9e4066Sahrens 5127fa9e4066Sahrens fp = popen(zdb, "r"); 5128fa9e4066Sahrens 5129fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 5130420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5131fa9e4066Sahrens (void) printf("%s", zbuf); 5132fa9e4066Sahrens 5133fa9e4066Sahrens status = pclose(fp); 5134fa9e4066Sahrens 5135fa9e4066Sahrens if (status == 0) 5136fa9e4066Sahrens return; 5137fa9e4066Sahrens 5138fa9e4066Sahrens ztest_dump_core = 0; 5139fa9e4066Sahrens if (WIFEXITED(status)) 5140fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 5141fa9e4066Sahrens else 5142fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 5143fa9e4066Sahrens } 5144fa9e4066Sahrens 5145fa9e4066Sahrens static void 5146fa9e4066Sahrens ztest_walk_pool_directory(char *header) 5147fa9e4066Sahrens { 5148fa9e4066Sahrens spa_t *spa = NULL; 5149fa9e4066Sahrens 5150420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5151fa9e4066Sahrens (void) printf("%s\n", header); 5152fa9e4066Sahrens 5153fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 5154fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 5155420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5156fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 5157fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 5158fa9e4066Sahrens } 5159fa9e4066Sahrens 5160fa9e4066Sahrens static void 5161fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 5162fa9e4066Sahrens { 51638ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 5164fa9e4066Sahrens uint64_t pool_guid; 5165fa9e4066Sahrens spa_t *spa; 5166fa9e4066Sahrens 5167420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) { 5168fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 5169fa9e4066Sahrens oldname, newname); 5170fa9e4066Sahrens } 5171fa9e4066Sahrens 5172fa9e4066Sahrens /* 5173fa9e4066Sahrens * Clean up from previous runs. 5174fa9e4066Sahrens */ 5175fa9e4066Sahrens (void) spa_destroy(newname); 5176fa9e4066Sahrens 5177fa9e4066Sahrens /* 5178fa9e4066Sahrens * Get the pool's configuration and guid. 5179fa9e4066Sahrens */ 5180b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 5181fa9e4066Sahrens 51828ad4d6ddSJeff Bonwick /* 51838ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 51848ad4d6ddSJeff Bonwick */ 51858ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 51863f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 51878ad4d6ddSJeff Bonwick 5188fa9e4066Sahrens pool_guid = spa_guid(spa); 5189fa9e4066Sahrens spa_close(spa, FTAG); 5190fa9e4066Sahrens 5191fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 5192fa9e4066Sahrens 5193fa9e4066Sahrens /* 5194fa9e4066Sahrens * Export it. 5195fa9e4066Sahrens */ 5196b420f3adSRichard Lowe VERIFY3U(0, ==, spa_export(oldname, &config, B_FALSE, B_FALSE)); 5197fa9e4066Sahrens 5198fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 5199fa9e4066Sahrens 52008ad4d6ddSJeff Bonwick /* 52018ad4d6ddSJeff Bonwick * Try to import it. 52028ad4d6ddSJeff Bonwick */ 52038ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 52048ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 52058ad4d6ddSJeff Bonwick nvlist_free(newconfig); 52068ad4d6ddSJeff Bonwick 5207fa9e4066Sahrens /* 5208fa9e4066Sahrens * Import it under the new name. 5209fa9e4066Sahrens */ 5210b420f3adSRichard Lowe VERIFY3U(0, ==, spa_import(newname, config, NULL, 0)); 5211fa9e4066Sahrens 5212fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 5213fa9e4066Sahrens 5214fa9e4066Sahrens /* 5215fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 5216fa9e4066Sahrens */ 52174b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(newname, config, NULL, 0)); 5218fa9e4066Sahrens 5219fa9e4066Sahrens /* 5220fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 5221fa9e4066Sahrens */ 52224b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(oldname, config, NULL, 0)); 5223fa9e4066Sahrens 5224fa9e4066Sahrens /* 5225fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 5226fa9e4066Sahrens */ 5227b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 5228fa9e4066Sahrens 5229fa9e4066Sahrens /* 5230fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 5231fa9e4066Sahrens */ 5232b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 5233fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 5234fa9e4066Sahrens spa_close(spa, FTAG); 5235fa9e4066Sahrens 5236fa9e4066Sahrens nvlist_free(config); 5237fa9e4066Sahrens } 5238fa9e4066Sahrens 52398ad4d6ddSJeff Bonwick static void 52408ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 52418ad4d6ddSJeff Bonwick { 5242420dfc95SChris Siden if (spa_suspended(spa) && ztest_opts.zo_verbose >= 6) 5243b24ab676SJeff Bonwick (void) printf("resuming from suspended state\n"); 5244b24ab676SJeff Bonwick spa_vdev_state_enter(spa, SCL_NONE); 5245b24ab676SJeff Bonwick vdev_clear(spa, NULL); 5246b24ab676SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 5247b24ab676SJeff Bonwick (void) zio_resume(spa); 52488ad4d6ddSJeff Bonwick } 52498ad4d6ddSJeff Bonwick 52500a4e9518Sgw static void * 52518ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 52520a4e9518Sgw { 5253e14bb325SJeff Bonwick spa_t *spa = arg; 52540a4e9518Sgw 52550a4e9518Sgw while (!ztest_exiting) { 5256b24ab676SJeff Bonwick if (spa_suspended(spa)) 5257b24ab676SJeff Bonwick ztest_resume(spa); 5258b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 52590a4e9518Sgw } 52600a4e9518Sgw return (NULL); 52610a4e9518Sgw } 52620a4e9518Sgw 5263b24ab676SJeff Bonwick static void * 5264b24ab676SJeff Bonwick ztest_deadman_thread(void *arg) 5265b24ab676SJeff Bonwick { 5266b24ab676SJeff Bonwick ztest_shared_t *zs = arg; 5267b24ab676SJeff Bonwick int grace = 300; 5268b24ab676SJeff Bonwick hrtime_t delta; 5269b24ab676SJeff Bonwick 5270b24ab676SJeff Bonwick delta = (zs->zs_thread_stop - zs->zs_thread_start) / NANOSEC + grace; 5271b24ab676SJeff Bonwick 5272b24ab676SJeff Bonwick (void) poll(NULL, 0, (int)(1000 * delta)); 5273b24ab676SJeff Bonwick 5274b24ab676SJeff Bonwick fatal(0, "failed to complete within %d seconds of deadline", grace); 5275b24ab676SJeff Bonwick 5276b24ab676SJeff Bonwick return (NULL); 5277b24ab676SJeff Bonwick } 5278b24ab676SJeff Bonwick 5279b24ab676SJeff Bonwick static void 5280420dfc95SChris Siden ztest_execute(int test, ztest_info_t *zi, uint64_t id) 5281b24ab676SJeff Bonwick { 5282420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[id % ztest_opts.zo_datasets]; 5283420dfc95SChris Siden ztest_shared_callstate_t *zc = ZTEST_GET_SHARED_CALLSTATE(test); 5284b24ab676SJeff Bonwick hrtime_t functime = gethrtime(); 5285b24ab676SJeff Bonwick 5286b24ab676SJeff Bonwick for (int i = 0; i < zi->zi_iters; i++) 5287b24ab676SJeff Bonwick zi->zi_func(zd, id); 5288b24ab676SJeff Bonwick 5289b24ab676SJeff Bonwick functime = gethrtime() - functime; 5290b24ab676SJeff Bonwick 5291420dfc95SChris Siden atomic_add_64(&zc->zc_count, 1); 5292420dfc95SChris Siden atomic_add_64(&zc->zc_time, functime); 5293b24ab676SJeff Bonwick 5294420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) { 5295b24ab676SJeff Bonwick Dl_info dli; 5296b24ab676SJeff Bonwick (void) dladdr((void *)zi->zi_func, &dli); 5297b24ab676SJeff Bonwick (void) printf("%6.2f sec in %s\n", 5298b24ab676SJeff Bonwick (double)functime / NANOSEC, dli.dli_sname); 5299b24ab676SJeff Bonwick } 5300b24ab676SJeff Bonwick } 5301b24ab676SJeff Bonwick 5302fa9e4066Sahrens static void * 5303fa9e4066Sahrens ztest_thread(void *arg) 5304fa9e4066Sahrens { 5305420dfc95SChris Siden int rand; 5306b24ab676SJeff Bonwick uint64_t id = (uintptr_t)arg; 5307fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 5308b24ab676SJeff Bonwick uint64_t call_next; 5309b24ab676SJeff Bonwick hrtime_t now; 5310fa9e4066Sahrens ztest_info_t *zi; 5311420dfc95SChris Siden ztest_shared_callstate_t *zc; 5312fa9e4066Sahrens 5313b24ab676SJeff Bonwick while ((now = gethrtime()) < zs->zs_thread_stop) { 5314fa9e4066Sahrens /* 5315fa9e4066Sahrens * See if it's time to force a crash. 5316fa9e4066Sahrens */ 5317b24ab676SJeff Bonwick if (now > zs->zs_thread_kill) 5318b24ab676SJeff Bonwick ztest_kill(zs); 5319fa9e4066Sahrens 5320fa9e4066Sahrens /* 5321b24ab676SJeff Bonwick * If we're getting ENOSPC with some regularity, stop. 5322fa9e4066Sahrens */ 5323b24ab676SJeff Bonwick if (zs->zs_enospc_count > 10) 5324b24ab676SJeff Bonwick break; 5325fa9e4066Sahrens 5326fa9e4066Sahrens /* 5327b24ab676SJeff Bonwick * Pick a random function to execute. 5328fa9e4066Sahrens */ 5329420dfc95SChris Siden rand = ztest_random(ZTEST_FUNCS); 5330420dfc95SChris Siden zi = &ztest_info[rand]; 5331420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(rand); 5332420dfc95SChris Siden call_next = zc->zc_next; 5333b24ab676SJeff Bonwick 5334b24ab676SJeff Bonwick if (now >= call_next && 5335420dfc95SChris Siden atomic_cas_64(&zc->zc_next, call_next, call_next + 5336420dfc95SChris Siden ztest_random(2 * zi->zi_interval[0] + 1)) == call_next) { 5337420dfc95SChris Siden ztest_execute(rand, zi, id); 5338420dfc95SChris Siden } 5339b24ab676SJeff Bonwick } 5340fa9e4066Sahrens 5341b24ab676SJeff Bonwick return (NULL); 5342b24ab676SJeff Bonwick } 5343fa9e4066Sahrens 5344b24ab676SJeff Bonwick static void 5345b24ab676SJeff Bonwick ztest_dataset_name(char *dsname, char *pool, int d) 5346b24ab676SJeff Bonwick { 5347b24ab676SJeff Bonwick (void) snprintf(dsname, MAXNAMELEN, "%s/ds_%d", pool, d); 5348b24ab676SJeff Bonwick } 5349fa9e4066Sahrens 5350b24ab676SJeff Bonwick static void 5351420dfc95SChris Siden ztest_dataset_destroy(int d) 5352b24ab676SJeff Bonwick { 5353b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5354fa9e4066Sahrens 5355420dfc95SChris Siden ztest_dataset_name(name, ztest_opts.zo_pool, d); 5356fa9e4066Sahrens 5357420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5358b24ab676SJeff Bonwick (void) printf("Destroying %s to free up space\n", name); 5359fa9e4066Sahrens 5360b24ab676SJeff Bonwick /* 5361b24ab676SJeff Bonwick * Cleanup any non-standard clones and snapshots. In general, 5362b24ab676SJeff Bonwick * ztest thread t operates on dataset (t % zopt_datasets), 5363b24ab676SJeff Bonwick * so there may be more than one thing to clean up. 5364b24ab676SJeff Bonwick */ 5365420dfc95SChris Siden for (int t = d; t < ztest_opts.zo_threads; 5366420dfc95SChris Siden t += ztest_opts.zo_datasets) { 5367b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(name, t); 5368420dfc95SChris Siden } 5369fa9e4066Sahrens 5370b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 5371b24ab676SJeff Bonwick DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 5372b24ab676SJeff Bonwick } 5373b24ab676SJeff Bonwick 5374b24ab676SJeff Bonwick static void 5375b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(ztest_ds_t *zd) 5376b24ab676SJeff Bonwick { 5377b24ab676SJeff Bonwick uint64_t usedobjs, dirobjs, scratch; 5378b24ab676SJeff Bonwick 5379b24ab676SJeff Bonwick /* 5380b24ab676SJeff Bonwick * ZTEST_DIROBJ is the object directory for the entire dataset. 5381b24ab676SJeff Bonwick * Therefore, the number of objects in use should equal the 5382b24ab676SJeff Bonwick * number of ZTEST_DIROBJ entries, +1 for ZTEST_DIROBJ itself. 5383b24ab676SJeff Bonwick * If not, we have an object leak. 5384b24ab676SJeff Bonwick * 5385b24ab676SJeff Bonwick * Note that we can only check this in ztest_dataset_open(), 5386b24ab676SJeff Bonwick * when the open-context and syncing-context values agree. 5387b24ab676SJeff Bonwick * That's because zap_count() returns the open-context value, 5388b24ab676SJeff Bonwick * while dmu_objset_space() returns the rootbp fill count. 5389b24ab676SJeff Bonwick */ 5390b420f3adSRichard Lowe VERIFY3U(0, ==, zap_count(zd->zd_os, ZTEST_DIROBJ, &dirobjs)); 5391b24ab676SJeff Bonwick dmu_objset_space(zd->zd_os, &scratch, &scratch, &usedobjs, &scratch); 5392b24ab676SJeff Bonwick ASSERT3U(dirobjs + 1, ==, usedobjs); 5393b24ab676SJeff Bonwick } 5394b24ab676SJeff Bonwick 5395b24ab676SJeff Bonwick static int 5396420dfc95SChris Siden ztest_dataset_open(int d) 5397b24ab676SJeff Bonwick { 5398420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[d]; 5399420dfc95SChris Siden uint64_t committed_seq = ZTEST_GET_SHARED_DS(d)->zd_seq; 5400b24ab676SJeff Bonwick objset_t *os; 5401b24ab676SJeff Bonwick zilog_t *zilog; 5402b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5403b24ab676SJeff Bonwick int error; 5404b24ab676SJeff Bonwick 5405420dfc95SChris Siden ztest_dataset_name(name, ztest_opts.zo_pool, d); 5406b24ab676SJeff Bonwick 5407420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 5408b24ab676SJeff Bonwick 540955da60b9SMark J Musante error = ztest_dataset_create(name); 5410b24ab676SJeff Bonwick if (error == ENOSPC) { 5411420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5412b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 5413b24ab676SJeff Bonwick return (error); 5414fa9e4066Sahrens } 5415b24ab676SJeff Bonwick ASSERT(error == 0 || error == EEXIST); 5416fa9e4066Sahrens 5417fb09f5aaSMadhav Suresh VERIFY0(dmu_objset_hold(name, zd, &os)); 5418420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5419b24ab676SJeff Bonwick 5420420dfc95SChris Siden ztest_zd_init(zd, ZTEST_GET_SHARED_DS(d), os); 5421b24ab676SJeff Bonwick 5422b24ab676SJeff Bonwick zilog = zd->zd_zilog; 5423b24ab676SJeff Bonwick 5424b24ab676SJeff Bonwick if (zilog->zl_header->zh_claim_lr_seq != 0 && 5425b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq < committed_seq) 5426b24ab676SJeff Bonwick fatal(0, "missing log records: claimed %llu < committed %llu", 5427b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq, committed_seq); 5428b24ab676SJeff Bonwick 5429b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5430b24ab676SJeff Bonwick 5431b24ab676SJeff Bonwick zil_replay(os, zd, ztest_replay_vector); 5432b24ab676SJeff Bonwick 5433b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5434b24ab676SJeff Bonwick 5435420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5436b24ab676SJeff Bonwick (void) printf("%s replay %llu blocks, %llu records, seq %llu\n", 5437b24ab676SJeff Bonwick zd->zd_name, 5438b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_blk_count, 5439b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_lr_count, 5440b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_replaying_seq); 5441b24ab676SJeff Bonwick 5442b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 5443b24ab676SJeff Bonwick 5444b24ab676SJeff Bonwick if (zilog->zl_replaying_seq != 0 && 5445b24ab676SJeff Bonwick zilog->zl_replaying_seq < committed_seq) 5446b24ab676SJeff Bonwick fatal(0, "missing log records: replayed %llu < committed %llu", 5447b24ab676SJeff Bonwick zilog->zl_replaying_seq, committed_seq); 5448b24ab676SJeff Bonwick 5449b24ab676SJeff Bonwick return (0); 5450b24ab676SJeff Bonwick } 5451b24ab676SJeff Bonwick 5452b24ab676SJeff Bonwick static void 5453420dfc95SChris Siden ztest_dataset_close(int d) 5454b24ab676SJeff Bonwick { 5455420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[d]; 5456b24ab676SJeff Bonwick 5457b24ab676SJeff Bonwick zil_close(zd->zd_zilog); 5458b24ab676SJeff Bonwick dmu_objset_rele(zd->zd_os, zd); 5459b24ab676SJeff Bonwick 5460b24ab676SJeff Bonwick ztest_zd_fini(zd); 5461fa9e4066Sahrens } 5462fa9e4066Sahrens 5463fa9e4066Sahrens /* 5464fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 5465fa9e4066Sahrens */ 5466fa9e4066Sahrens static void 5467b24ab676SJeff Bonwick ztest_run(ztest_shared_t *zs) 5468fa9e4066Sahrens { 5469b24ab676SJeff Bonwick thread_t *tid; 5470fa9e4066Sahrens spa_t *spa; 5471e9103aaeSGarrett D'Amore objset_t *os; 5472e14bb325SJeff Bonwick thread_t resume_tid; 5473b24ab676SJeff Bonwick int error; 5474e14bb325SJeff Bonwick 5475e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 5476fa9e4066Sahrens 5477fa9e4066Sahrens /* 5478b24ab676SJeff Bonwick * Initialize parent/child shared state. 5479fa9e4066Sahrens */ 5480420dfc95SChris Siden VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0); 5481420dfc95SChris Siden VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0); 5482fa9e4066Sahrens 5483b24ab676SJeff Bonwick zs->zs_thread_start = gethrtime(); 5484420dfc95SChris Siden zs->zs_thread_stop = 5485420dfc95SChris Siden zs->zs_thread_start + ztest_opts.zo_passtime * NANOSEC; 5486b24ab676SJeff Bonwick zs->zs_thread_stop = MIN(zs->zs_thread_stop, zs->zs_proc_stop); 5487b24ab676SJeff Bonwick zs->zs_thread_kill = zs->zs_thread_stop; 5488420dfc95SChris Siden if (ztest_random(100) < ztest_opts.zo_killrate) { 5489420dfc95SChris Siden zs->zs_thread_kill -= 5490420dfc95SChris Siden ztest_random(ztest_opts.zo_passtime * NANOSEC); 5491420dfc95SChris Siden } 5492fa9e4066Sahrens 5493b24ab676SJeff Bonwick (void) _mutex_init(&zcl.zcl_callbacks_lock, USYNC_THREAD, NULL); 5494fa9e4066Sahrens 5495b24ab676SJeff Bonwick list_create(&zcl.zcl_callbacks, sizeof (ztest_cb_data_t), 5496b24ab676SJeff Bonwick offsetof(ztest_cb_data_t, zcd_node)); 5497fa9e4066Sahrens 54980a4e9518Sgw /* 5499e14bb325SJeff Bonwick * Open our pool. 55000a4e9518Sgw */ 5501b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5502420dfc95SChris Siden VERIFY(spa_open(ztest_opts.zo_pool, &spa, FTAG) == 0); 550309c9d376SGeorge Wilson spa->spa_debug = B_TRUE; 5504420dfc95SChris Siden ztest_spa = spa; 5505b24ab676SJeff Bonwick 5506b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_hold(ztest_opts.zo_pool, FTAG, &os)); 5507e9103aaeSGarrett D'Amore zs->zs_guid = dmu_objset_fsid_guid(os); 5508e9103aaeSGarrett D'Amore dmu_objset_rele(os, FTAG); 5509e9103aaeSGarrett D'Amore 5510b24ab676SJeff Bonwick spa->spa_dedup_ditto = 2 * ZIO_DEDUPDITTO_MIN; 55110a4e9518Sgw 55128ad4d6ddSJeff Bonwick /* 55138ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 55148ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 55158ad4d6ddSJeff Bonwick * the only valid replica. 55168ad4d6ddSJeff Bonwick */ 55171195e687SMark J Musante if (MAXFAULTS() == 0) 55188ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 55198ad4d6ddSJeff Bonwick else 55208ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 55218ad4d6ddSJeff Bonwick 5522fa9e4066Sahrens /* 5523e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 5524fa9e4066Sahrens */ 55258ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 5526e14bb325SJeff Bonwick &resume_tid) == 0); 5527fa9e4066Sahrens 5528b24ab676SJeff Bonwick /* 5529b24ab676SJeff Bonwick * Create a deadman thread to abort() if we hang. 5530b24ab676SJeff Bonwick */ 5531b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_deadman_thread, zs, THR_BOUND, 5532b24ab676SJeff Bonwick NULL) == 0); 5533b24ab676SJeff Bonwick 5534fa9e4066Sahrens /* 5535fa9e4066Sahrens * Verify that we can safely inquire about about any object, 5536fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 5537fa9e4066Sahrens * we probe a 5-wide window around each power of two. 5538fa9e4066Sahrens * This hits all edge cases, including zero and the max. 5539fa9e4066Sahrens */ 5540b24ab676SJeff Bonwick for (int t = 0; t < 64; t++) { 5541b24ab676SJeff Bonwick for (int d = -5; d <= 5; d++) { 5542fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 5543fa9e4066Sahrens (1ULL << t) + d, NULL); 5544ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 5545ea8dc4b6Seschrock error == EINVAL); 5546fa9e4066Sahrens } 5547fa9e4066Sahrens } 5548fa9e4066Sahrens 5549fa9e4066Sahrens /* 5550b24ab676SJeff Bonwick * If we got any ENOSPC errors on the previous run, destroy something. 5551fa9e4066Sahrens */ 5552b24ab676SJeff Bonwick if (zs->zs_enospc_count != 0) { 5553420dfc95SChris Siden int d = ztest_random(ztest_opts.zo_datasets); 5554420dfc95SChris Siden ztest_dataset_destroy(d); 5555b24ab676SJeff Bonwick } 5556fa9e4066Sahrens zs->zs_enospc_count = 0; 5557fa9e4066Sahrens 5558420dfc95SChris Siden tid = umem_zalloc(ztest_opts.zo_threads * sizeof (thread_t), 5559420dfc95SChris Siden UMEM_NOFAIL); 5560fa9e4066Sahrens 5561420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) 5562fa9e4066Sahrens (void) printf("starting main threads...\n"); 5563fa9e4066Sahrens 5564b24ab676SJeff Bonwick /* 5565b24ab676SJeff Bonwick * Kick off all the tests that run in parallel. 5566b24ab676SJeff Bonwick */ 5567420dfc95SChris Siden for (int t = 0; t < ztest_opts.zo_threads; t++) { 5568420dfc95SChris Siden if (t < ztest_opts.zo_datasets && 5569420dfc95SChris Siden ztest_dataset_open(t) != 0) 5570b24ab676SJeff Bonwick return; 5571b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, (void *)(uintptr_t)t, 5572b24ab676SJeff Bonwick THR_BOUND, &tid[t]) == 0); 5573fa9e4066Sahrens } 5574fa9e4066Sahrens 5575b24ab676SJeff Bonwick /* 5576b24ab676SJeff Bonwick * Wait for all of the tests to complete. We go in reverse order 5577b24ab676SJeff Bonwick * so we don't close datasets while threads are still using them. 5578b24ab676SJeff Bonwick */ 5579420dfc95SChris Siden for (int t = ztest_opts.zo_threads - 1; t >= 0; t--) { 5580b24ab676SJeff Bonwick VERIFY(thr_join(tid[t], NULL, NULL) == 0); 5581420dfc95SChris Siden if (t < ztest_opts.zo_datasets) 5582420dfc95SChris Siden ztest_dataset_close(t); 5583fa9e4066Sahrens } 5584fa9e4066Sahrens 5585fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 5586fa9e4066Sahrens 5587b24ab676SJeff Bonwick zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 5588b24ab676SJeff Bonwick zs->zs_space = metaslab_class_get_space(spa_normal_class(spa)); 5589b24ab676SJeff Bonwick 5590420dfc95SChris Siden umem_free(tid, ztest_opts.zo_threads * sizeof (thread_t)); 5591b24ab676SJeff Bonwick 5592b24ab676SJeff Bonwick /* Kill the resume thread */ 5593b24ab676SJeff Bonwick ztest_exiting = B_TRUE; 5594b24ab676SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 5595b24ab676SJeff Bonwick ztest_resume(spa); 5596b24ab676SJeff Bonwick 5597b24ab676SJeff Bonwick /* 5598b24ab676SJeff Bonwick * Right before closing the pool, kick off a bunch of async I/O; 5599b24ab676SJeff Bonwick * spa_close() should wait for it to complete. 5600b24ab676SJeff Bonwick */ 5601b24ab676SJeff Bonwick for (uint64_t object = 1; object < 50; object++) 5602b24ab676SJeff Bonwick dmu_prefetch(spa->spa_meta_objset, object, 0, 1ULL << 20); 5603b24ab676SJeff Bonwick 5604b24ab676SJeff Bonwick spa_close(spa, FTAG); 5605fa9e4066Sahrens 5606fa9e4066Sahrens /* 5607b24ab676SJeff Bonwick * Verify that we can loop over all pools. 5608fa9e4066Sahrens */ 5609b24ab676SJeff Bonwick mutex_enter(&spa_namespace_lock); 5610b24ab676SJeff Bonwick for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) 5611420dfc95SChris Siden if (ztest_opts.zo_verbose > 3) 5612b24ab676SJeff Bonwick (void) printf("spa_next: found %s\n", spa_name(spa)); 5613b24ab676SJeff Bonwick mutex_exit(&spa_namespace_lock); 5614b24ab676SJeff Bonwick 5615b24ab676SJeff Bonwick /* 5616b24ab676SJeff Bonwick * Verify that we can export the pool and reimport it under a 5617b24ab676SJeff Bonwick * different name. 5618b24ab676SJeff Bonwick */ 5619b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 5620b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5621420dfc95SChris Siden (void) snprintf(name, MAXNAMELEN, "%s_import", 5622420dfc95SChris Siden ztest_opts.zo_pool); 5623420dfc95SChris Siden ztest_spa_import_export(ztest_opts.zo_pool, name); 5624420dfc95SChris Siden ztest_spa_import_export(name, ztest_opts.zo_pool); 5625b24ab676SJeff Bonwick } 5626b24ab676SJeff Bonwick 5627b24ab676SJeff Bonwick kernel_fini(); 562826cb54a9SGeorge Wilson 562926cb54a9SGeorge Wilson list_destroy(&zcl.zcl_callbacks); 563026cb54a9SGeorge Wilson 563126cb54a9SGeorge Wilson (void) _mutex_destroy(&zcl.zcl_callbacks_lock); 563226cb54a9SGeorge Wilson 5633420dfc95SChris Siden (void) rwlock_destroy(&ztest_name_lock); 5634420dfc95SChris Siden (void) _mutex_destroy(&ztest_vdev_lock); 5635b24ab676SJeff Bonwick } 5636b24ab676SJeff Bonwick 5637b24ab676SJeff Bonwick static void 5638420dfc95SChris Siden ztest_freeze(void) 5639b24ab676SJeff Bonwick { 5640420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[0]; 5641b24ab676SJeff Bonwick spa_t *spa; 56422215e990SMark J Musante int numloops = 0; 5643b24ab676SJeff Bonwick 5644420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5645b24ab676SJeff Bonwick (void) printf("testing spa_freeze()...\n"); 5646718d718aSGeorge Wilson 5647b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5648b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5649b420f3adSRichard Lowe VERIFY3U(0, ==, ztest_dataset_open(0)); 5650*80901aeaSGeorge Wilson spa->spa_debug = B_TRUE; 5651*80901aeaSGeorge Wilson ztest_spa = spa; 5652718d718aSGeorge Wilson 5653b24ab676SJeff Bonwick /* 5654b24ab676SJeff Bonwick * Force the first log block to be transactionally allocated. 5655b24ab676SJeff Bonwick * We have to do this before we freeze the pool -- otherwise 5656b24ab676SJeff Bonwick * the log chain won't be anchored. 5657b24ab676SJeff Bonwick */ 5658b24ab676SJeff Bonwick while (BP_IS_HOLE(&zd->zd_zilog->zl_header->zh_log)) { 5659b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 56605002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5661fa9e4066Sahrens } 5662fa9e4066Sahrens 5663ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 5664fa9e4066Sahrens 5665b24ab676SJeff Bonwick /* 5666b24ab676SJeff Bonwick * Freeze the pool. This stops spa_sync() from doing anything, 5667b24ab676SJeff Bonwick * so that the only way to record changes from now on is the ZIL. 5668b24ab676SJeff Bonwick */ 5669b24ab676SJeff Bonwick spa_freeze(spa); 5670e14bb325SJeff Bonwick 5671b24ab676SJeff Bonwick /* 5672b24ab676SJeff Bonwick * Run tests that generate log records but don't alter the pool config 5673b24ab676SJeff Bonwick * or depend on DSL sync tasks (snapshots, objset create/destroy, etc). 5674b24ab676SJeff Bonwick * We do a txg_wait_synced() after each iteration to force the txg 5675b24ab676SJeff Bonwick * to increase well beyond the last synced value in the uberblock. 5676b24ab676SJeff Bonwick * The ZIL should be OK with that. 5677b24ab676SJeff Bonwick */ 5678420dfc95SChris Siden while (ztest_random(10) != 0 && 5679420dfc95SChris Siden numloops++ < ztest_opts.zo_maxloops) { 5680b24ab676SJeff Bonwick ztest_dmu_write_parallel(zd, 0); 5681b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 5682b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5683b24ab676SJeff Bonwick } 5684e14bb325SJeff Bonwick 5685fa9e4066Sahrens /* 5686b24ab676SJeff Bonwick * Commit all of the changes we just generated. 5687fa9e4066Sahrens */ 56885002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5689b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5690fa9e4066Sahrens 5691b24ab676SJeff Bonwick /* 5692b24ab676SJeff Bonwick * Close our dataset and close the pool. 5693b24ab676SJeff Bonwick */ 5694420dfc95SChris Siden ztest_dataset_close(0); 5695e05725b1Sbonwick spa_close(spa, FTAG); 5696b24ab676SJeff Bonwick kernel_fini(); 5697e05725b1Sbonwick 5698b24ab676SJeff Bonwick /* 5699b24ab676SJeff Bonwick * Open and close the pool and dataset to induce log replay. 5700b24ab676SJeff Bonwick */ 5701b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5702b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5703ce636f8bSMatthew Ahrens ASSERT(spa_freeze_txg(spa) == UINT64_MAX); 5704b420f3adSRichard Lowe VERIFY3U(0, ==, ztest_dataset_open(0)); 5705420dfc95SChris Siden ztest_dataset_close(0); 5706dfbb9432SGeorge Wilson 5707dfbb9432SGeorge Wilson spa->spa_debug = B_TRUE; 5708dfbb9432SGeorge Wilson ztest_spa = spa; 5709dfbb9432SGeorge Wilson txg_wait_synced(spa_get_dsl(spa), 0); 5710dfbb9432SGeorge Wilson ztest_reguid(NULL, 0); 5711dfbb9432SGeorge Wilson 5712b24ab676SJeff Bonwick spa_close(spa, FTAG); 5713fa9e4066Sahrens kernel_fini(); 5714fa9e4066Sahrens } 5715fa9e4066Sahrens 5716fa9e4066Sahrens void 5717fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 5718fa9e4066Sahrens { 5719fa9e4066Sahrens hrtime_t s = t / NANOSEC; 5720fa9e4066Sahrens hrtime_t m = s / 60; 5721fa9e4066Sahrens hrtime_t h = m / 60; 5722fa9e4066Sahrens hrtime_t d = h / 24; 5723fa9e4066Sahrens 5724fa9e4066Sahrens s -= m * 60; 5725fa9e4066Sahrens m -= h * 60; 5726fa9e4066Sahrens h -= d * 24; 5727fa9e4066Sahrens 5728fa9e4066Sahrens timebuf[0] = '\0'; 5729fa9e4066Sahrens 5730fa9e4066Sahrens if (d) 5731fa9e4066Sahrens (void) sprintf(timebuf, 5732fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 5733fa9e4066Sahrens else if (h) 5734fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 5735fa9e4066Sahrens else if (m) 5736fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 5737fa9e4066Sahrens else 5738fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 5739fa9e4066Sahrens } 5740fa9e4066Sahrens 57411195e687SMark J Musante static nvlist_t * 57421195e687SMark J Musante make_random_props() 57431195e687SMark J Musante { 57441195e687SMark J Musante nvlist_t *props; 57451195e687SMark J Musante 57461195e687SMark J Musante VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 5747ad135b5dSChristopher Siden if (ztest_random(2) == 0) 5748ad135b5dSChristopher Siden return (props); 57491195e687SMark J Musante VERIFY(nvlist_add_uint64(props, "autoreplace", 1) == 0); 57501195e687SMark J Musante 57511195e687SMark J Musante return (props); 57521195e687SMark J Musante } 57531195e687SMark J Musante 5754fa9e4066Sahrens /* 5755fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 5756b24ab676SJeff Bonwick * Then test spa_freeze() functionality. 5757fa9e4066Sahrens */ 5758fa9e4066Sahrens static void 5759b24ab676SJeff Bonwick ztest_init(ztest_shared_t *zs) 5760fa9e4066Sahrens { 5761fa9e4066Sahrens spa_t *spa; 57621195e687SMark J Musante nvlist_t *nvroot, *props; 5763fa9e4066Sahrens 5764420dfc95SChris Siden VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0); 5765420dfc95SChris Siden VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0); 5766b24ab676SJeff Bonwick 5767fa9e4066Sahrens kernel_init(FREAD | FWRITE); 5768fa9e4066Sahrens 5769fa9e4066Sahrens /* 5770fa9e4066Sahrens * Create the storage pool. 5771fa9e4066Sahrens */ 5772420dfc95SChris Siden (void) spa_destroy(ztest_opts.zo_pool); 577388ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = 0; 57741195e687SMark J Musante zs->zs_splits = 0; 5775420dfc95SChris Siden zs->zs_mirrors = ztest_opts.zo_mirrors; 577625345e46SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, NULL, ztest_opts.zo_vdev_size, 0, 5777420dfc95SChris Siden 0, ztest_opts.zo_raidz, zs->zs_mirrors, 1); 57781195e687SMark J Musante props = make_random_props(); 5779ad135b5dSChristopher Siden for (int i = 0; i < SPA_FEATURES; i++) { 5780ad135b5dSChristopher Siden char buf[1024]; 5781ad135b5dSChristopher Siden (void) snprintf(buf, sizeof (buf), "feature@%s", 5782ad135b5dSChristopher Siden spa_feature_table[i].fi_uname); 5783b420f3adSRichard Lowe VERIFY3U(0, ==, nvlist_add_uint64(props, buf, 0)); 5784ad135b5dSChristopher Siden } 5785b420f3adSRichard Lowe VERIFY3U(0, ==, spa_create(ztest_opts.zo_pool, nvroot, props, NULL)); 5786fa9e4066Sahrens nvlist_free(nvroot); 5787fa9e4066Sahrens 5788b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5789420dfc95SChris Siden zs->zs_metaslab_sz = 5790420dfc95SChris Siden 1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift; 5791ad135b5dSChristopher Siden 5792fa9e4066Sahrens spa_close(spa, FTAG); 5793fa9e4066Sahrens 5794fa9e4066Sahrens kernel_fini(); 5795b24ab676SJeff Bonwick 5796420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5797420dfc95SChris Siden 5798420dfc95SChris Siden ztest_freeze(); 5799420dfc95SChris Siden 5800420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5801420dfc95SChris Siden 5802420dfc95SChris Siden (void) rwlock_destroy(&ztest_name_lock); 5803420dfc95SChris Siden (void) _mutex_destroy(&ztest_vdev_lock); 5804420dfc95SChris Siden } 5805420dfc95SChris Siden 5806420dfc95SChris Siden static void 5807741652b0SEtienne Dechamps setup_data_fd(void) 5808420dfc95SChris Siden { 5809741652b0SEtienne Dechamps static char ztest_name_data[] = "/tmp/ztest.data.XXXXXX"; 5810420dfc95SChris Siden 5811741652b0SEtienne Dechamps ztest_fd_data = mkstemp(ztest_name_data); 5812741652b0SEtienne Dechamps ASSERT3S(ztest_fd_data, >=, 0); 5813741652b0SEtienne Dechamps (void) unlink(ztest_name_data); 5814420dfc95SChris Siden } 5815420dfc95SChris Siden 5816741652b0SEtienne Dechamps 5817ad135b5dSChristopher Siden static int 5818ad135b5dSChristopher Siden shared_data_size(ztest_shared_hdr_t *hdr) 5819ad135b5dSChristopher Siden { 5820ad135b5dSChristopher Siden int size; 5821ad135b5dSChristopher Siden 5822ad135b5dSChristopher Siden size = hdr->zh_hdr_size; 5823ad135b5dSChristopher Siden size += hdr->zh_opts_size; 5824ad135b5dSChristopher Siden size += hdr->zh_size; 5825ad135b5dSChristopher Siden size += hdr->zh_stats_size * hdr->zh_stats_count; 5826ad135b5dSChristopher Siden size += hdr->zh_ds_size * hdr->zh_ds_count; 5827ad135b5dSChristopher Siden 5828ad135b5dSChristopher Siden return (size); 5829ad135b5dSChristopher Siden } 5830ad135b5dSChristopher Siden 5831420dfc95SChris Siden static void 5832420dfc95SChris Siden setup_hdr(void) 5833420dfc95SChris Siden { 5834ad135b5dSChristopher Siden int size; 5835420dfc95SChris Siden ztest_shared_hdr_t *hdr; 5836420dfc95SChris Siden 5837420dfc95SChris Siden hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()), 5838741652b0SEtienne Dechamps PROT_READ | PROT_WRITE, MAP_SHARED, ztest_fd_data, 0); 5839420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5840420dfc95SChris Siden 5841741652b0SEtienne Dechamps VERIFY3U(0, ==, ftruncate(ztest_fd_data, sizeof (ztest_shared_hdr_t))); 5842ad135b5dSChristopher Siden 5843420dfc95SChris Siden hdr->zh_hdr_size = sizeof (ztest_shared_hdr_t); 5844420dfc95SChris Siden hdr->zh_opts_size = sizeof (ztest_shared_opts_t); 5845420dfc95SChris Siden hdr->zh_size = sizeof (ztest_shared_t); 5846420dfc95SChris Siden hdr->zh_stats_size = sizeof (ztest_shared_callstate_t); 5847420dfc95SChris Siden hdr->zh_stats_count = ZTEST_FUNCS; 5848420dfc95SChris Siden hdr->zh_ds_size = sizeof (ztest_shared_ds_t); 5849420dfc95SChris Siden hdr->zh_ds_count = ztest_opts.zo_datasets; 5850420dfc95SChris Siden 5851ad135b5dSChristopher Siden size = shared_data_size(hdr); 5852741652b0SEtienne Dechamps VERIFY3U(0, ==, ftruncate(ztest_fd_data, size)); 5853ad135b5dSChristopher Siden 5854420dfc95SChris Siden (void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize())); 5855420dfc95SChris Siden } 5856420dfc95SChris Siden 5857420dfc95SChris Siden static void 5858420dfc95SChris Siden setup_data(void) 5859420dfc95SChris Siden { 5860420dfc95SChris Siden int size, offset; 5861420dfc95SChris Siden ztest_shared_hdr_t *hdr; 5862420dfc95SChris Siden uint8_t *buf; 5863420dfc95SChris Siden 5864420dfc95SChris Siden hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()), 5865741652b0SEtienne Dechamps PROT_READ, MAP_SHARED, ztest_fd_data, 0); 5866420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5867420dfc95SChris Siden 5868ad135b5dSChristopher Siden size = shared_data_size(hdr); 5869420dfc95SChris Siden 5870420dfc95SChris Siden (void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize())); 5871420dfc95SChris Siden hdr = ztest_shared_hdr = (void *)mmap(0, P2ROUNDUP(size, getpagesize()), 5872741652b0SEtienne Dechamps PROT_READ | PROT_WRITE, MAP_SHARED, ztest_fd_data, 0); 5873420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5874420dfc95SChris Siden buf = (uint8_t *)hdr; 5875420dfc95SChris Siden 5876420dfc95SChris Siden offset = hdr->zh_hdr_size; 5877420dfc95SChris Siden ztest_shared_opts = (void *)&buf[offset]; 5878420dfc95SChris Siden offset += hdr->zh_opts_size; 5879420dfc95SChris Siden ztest_shared = (void *)&buf[offset]; 5880420dfc95SChris Siden offset += hdr->zh_size; 5881420dfc95SChris Siden ztest_shared_callstate = (void *)&buf[offset]; 5882420dfc95SChris Siden offset += hdr->zh_stats_size * hdr->zh_stats_count; 5883420dfc95SChris Siden ztest_shared_ds = (void *)&buf[offset]; 5884420dfc95SChris Siden } 5885420dfc95SChris Siden 5886420dfc95SChris Siden static boolean_t 5887420dfc95SChris Siden exec_child(char *cmd, char *libpath, boolean_t ignorekill, int *statusp) 5888420dfc95SChris Siden { 5889420dfc95SChris Siden pid_t pid; 5890420dfc95SChris Siden int status; 5891741652b0SEtienne Dechamps char *cmdbuf = NULL; 5892420dfc95SChris Siden 5893420dfc95SChris Siden pid = fork(); 5894420dfc95SChris Siden 5895420dfc95SChris Siden if (cmd == NULL) { 5896741652b0SEtienne Dechamps cmdbuf = umem_alloc(MAXPATHLEN, UMEM_NOFAIL); 5897741652b0SEtienne Dechamps (void) strlcpy(cmdbuf, getexecname(), MAXPATHLEN); 5898420dfc95SChris Siden cmd = cmdbuf; 5899420dfc95SChris Siden } 5900b24ab676SJeff Bonwick 5901420dfc95SChris Siden if (pid == -1) 5902420dfc95SChris Siden fatal(1, "fork failed"); 5903b24ab676SJeff Bonwick 5904420dfc95SChris Siden if (pid == 0) { /* child */ 5905420dfc95SChris Siden char *emptyargv[2] = { cmd, NULL }; 5906741652b0SEtienne Dechamps char fd_data_str[12]; 590726cb54a9SGeorge Wilson 5908420dfc95SChris Siden struct rlimit rl = { 1024, 1024 }; 5909420dfc95SChris Siden (void) setrlimit(RLIMIT_NOFILE, &rl); 5910741652b0SEtienne Dechamps 5911741652b0SEtienne Dechamps (void) close(ztest_fd_rand); 5912741652b0SEtienne Dechamps VERIFY3U(11, >=, 5913741652b0SEtienne Dechamps snprintf(fd_data_str, 12, "%d", ztest_fd_data)); 5914741652b0SEtienne Dechamps VERIFY0(setenv("ZTEST_FD_DATA", fd_data_str, 1)); 5915741652b0SEtienne Dechamps 5916420dfc95SChris Siden (void) enable_extended_FILE_stdio(-1, -1); 5917420dfc95SChris Siden if (libpath != NULL) 5918420dfc95SChris Siden VERIFY(0 == setenv("LD_LIBRARY_PATH", libpath, 1)); 5919420dfc95SChris Siden (void) execv(cmd, emptyargv); 5920420dfc95SChris Siden ztest_dump_core = B_FALSE; 5921420dfc95SChris Siden fatal(B_TRUE, "exec failed: %s", cmd); 5922420dfc95SChris Siden } 5923420dfc95SChris Siden 5924741652b0SEtienne Dechamps if (cmdbuf != NULL) { 5925741652b0SEtienne Dechamps umem_free(cmdbuf, MAXPATHLEN); 5926741652b0SEtienne Dechamps cmd = NULL; 5927741652b0SEtienne Dechamps } 5928741652b0SEtienne Dechamps 5929420dfc95SChris Siden while (waitpid(pid, &status, 0) != pid) 5930420dfc95SChris Siden continue; 5931420dfc95SChris Siden if (statusp != NULL) 5932420dfc95SChris Siden *statusp = status; 5933420dfc95SChris Siden 5934420dfc95SChris Siden if (WIFEXITED(status)) { 5935420dfc95SChris Siden if (WEXITSTATUS(status) != 0) { 5936420dfc95SChris Siden (void) fprintf(stderr, "child exited with code %d\n", 5937420dfc95SChris Siden WEXITSTATUS(status)); 5938420dfc95SChris Siden exit(2); 5939420dfc95SChris Siden } 5940420dfc95SChris Siden return (B_FALSE); 5941420dfc95SChris Siden } else if (WIFSIGNALED(status)) { 5942420dfc95SChris Siden if (!ignorekill || WTERMSIG(status) != SIGKILL) { 5943420dfc95SChris Siden (void) fprintf(stderr, "child died with signal %d\n", 5944420dfc95SChris Siden WTERMSIG(status)); 5945420dfc95SChris Siden exit(3); 5946420dfc95SChris Siden } 5947420dfc95SChris Siden return (B_TRUE); 5948420dfc95SChris Siden } else { 5949420dfc95SChris Siden (void) fprintf(stderr, "something strange happened to child\n"); 5950420dfc95SChris Siden exit(4); 5951420dfc95SChris Siden /* NOTREACHED */ 5952420dfc95SChris Siden } 5953420dfc95SChris Siden } 5954420dfc95SChris Siden 5955420dfc95SChris Siden static void 5956420dfc95SChris Siden ztest_run_init(void) 5957420dfc95SChris Siden { 5958420dfc95SChris Siden ztest_shared_t *zs = ztest_shared; 5959420dfc95SChris Siden 5960420dfc95SChris Siden ASSERT(ztest_opts.zo_init != 0); 5961420dfc95SChris Siden 5962420dfc95SChris Siden /* 5963420dfc95SChris Siden * Blow away any existing copy of zpool.cache 5964420dfc95SChris Siden */ 5965420dfc95SChris Siden (void) remove(spa_config_path); 5966420dfc95SChris Siden 5967420dfc95SChris Siden /* 5968420dfc95SChris Siden * Create and initialize our storage pool. 5969420dfc95SChris Siden */ 5970420dfc95SChris Siden for (int i = 1; i <= ztest_opts.zo_init; i++) { 5971420dfc95SChris Siden bzero(zs, sizeof (ztest_shared_t)); 5972420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3 && 5973420dfc95SChris Siden ztest_opts.zo_init != 1) { 5974420dfc95SChris Siden (void) printf("ztest_init(), pass %d\n", i); 5975420dfc95SChris Siden } 5976420dfc95SChris Siden ztest_init(zs); 5977420dfc95SChris Siden } 5978fa9e4066Sahrens } 5979fa9e4066Sahrens 5980fa9e4066Sahrens int 5981fa9e4066Sahrens main(int argc, char **argv) 5982fa9e4066Sahrens { 5983fa9e4066Sahrens int kills = 0; 5984fa9e4066Sahrens int iters = 0; 5985420dfc95SChris Siden int older = 0; 5986420dfc95SChris Siden int newer = 0; 5987fa9e4066Sahrens ztest_shared_t *zs; 5988fa9e4066Sahrens ztest_info_t *zi; 5989420dfc95SChris Siden ztest_shared_callstate_t *zc; 5990fa9e4066Sahrens char timebuf[100]; 5991fa9e4066Sahrens char numbuf[6]; 5992b24ab676SJeff Bonwick spa_t *spa; 5993741652b0SEtienne Dechamps char *cmd; 5994420dfc95SChris Siden boolean_t hasalt; 5995741652b0SEtienne Dechamps char *fd_data_str = getenv("ZTEST_FD_DATA"); 5996fa9e4066Sahrens 5997fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 5998fa9e4066Sahrens 5999cd1c8b85SMatthew Ahrens dprintf_setup(&argc, argv); 6000cd1c8b85SMatthew Ahrens 6001741652b0SEtienne Dechamps ztest_fd_rand = open("/dev/urandom", O_RDONLY); 6002741652b0SEtienne Dechamps ASSERT3S(ztest_fd_rand, >=, 0); 6003741652b0SEtienne Dechamps 6004741652b0SEtienne Dechamps if (!fd_data_str) { 6005420dfc95SChris Siden process_options(argc, argv); 6006fa9e4066Sahrens 6007741652b0SEtienne Dechamps setup_data_fd(); 6008420dfc95SChris Siden setup_hdr(); 6009420dfc95SChris Siden setup_data(); 6010420dfc95SChris Siden bcopy(&ztest_opts, ztest_shared_opts, 6011420dfc95SChris Siden sizeof (*ztest_shared_opts)); 6012420dfc95SChris Siden } else { 6013741652b0SEtienne Dechamps ztest_fd_data = atoi(fd_data_str); 6014420dfc95SChris Siden setup_data(); 6015420dfc95SChris Siden bcopy(ztest_shared_opts, &ztest_opts, sizeof (ztest_opts)); 6016420dfc95SChris Siden } 6017420dfc95SChris Siden ASSERT3U(ztest_opts.zo_datasets, ==, ztest_shared_hdr->zh_ds_count); 6018fa9e4066Sahrens 6019f0ba89beSJeff Bonwick /* Override location of zpool.cache */ 6020741652b0SEtienne Dechamps VERIFY3U(asprintf((char **)&spa_config_path, "%s/zpool.cache", 6021741652b0SEtienne Dechamps ztest_opts.zo_dir), !=, -1); 6022f0ba89beSJeff Bonwick 6023420dfc95SChris Siden ztest_ds = umem_alloc(ztest_opts.zo_datasets * sizeof (ztest_ds_t), 6024420dfc95SChris Siden UMEM_NOFAIL); 6025420dfc95SChris Siden zs = ztest_shared; 6026ea8dc4b6Seschrock 6027741652b0SEtienne Dechamps if (fd_data_str) { 6028420dfc95SChris Siden metaslab_gang_bang = ztest_opts.zo_metaslab_gang_bang; 6029420dfc95SChris Siden metaslab_df_alloc_threshold = 6030420dfc95SChris Siden zs->zs_metaslab_df_alloc_threshold; 6031b24ab676SJeff Bonwick 6032420dfc95SChris Siden if (zs->zs_do_init) 6033420dfc95SChris Siden ztest_run_init(); 6034420dfc95SChris Siden else 6035420dfc95SChris Siden ztest_run(zs); 6036420dfc95SChris Siden exit(0); 6037420dfc95SChris Siden } 6038fa9e4066Sahrens 6039420dfc95SChris Siden hasalt = (strlen(ztest_opts.zo_alt_ztest) != 0); 6040420dfc95SChris Siden 6041420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6042fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 6043fa9e4066Sahrens " %llu seconds...\n", 6044420dfc95SChris Siden (u_longlong_t)ztest_opts.zo_vdevs, 6045420dfc95SChris Siden ztest_opts.zo_datasets, 6046420dfc95SChris Siden ztest_opts.zo_threads, 6047420dfc95SChris Siden (u_longlong_t)ztest_opts.zo_time); 6048fa9e4066Sahrens } 6049fa9e4066Sahrens 6050741652b0SEtienne Dechamps cmd = umem_alloc(MAXNAMELEN, UMEM_NOFAIL); 6051741652b0SEtienne Dechamps (void) strlcpy(cmd, getexecname(), MAXNAMELEN); 6052420dfc95SChris Siden 6053420dfc95SChris Siden zs->zs_do_init = B_TRUE; 6054420dfc95SChris Siden if (strlen(ztest_opts.zo_alt_ztest) != 0) { 6055420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6056420dfc95SChris Siden (void) printf("Executing older ztest for " 6057420dfc95SChris Siden "initialization: %s\n", ztest_opts.zo_alt_ztest); 6058420dfc95SChris Siden } 6059420dfc95SChris Siden VERIFY(!exec_child(ztest_opts.zo_alt_ztest, 6060420dfc95SChris Siden ztest_opts.zo_alt_libpath, B_FALSE, NULL)); 6061420dfc95SChris Siden } else { 6062420dfc95SChris Siden VERIFY(!exec_child(NULL, NULL, B_FALSE, NULL)); 6063fa9e4066Sahrens } 6064420dfc95SChris Siden zs->zs_do_init = B_FALSE; 6065fa9e4066Sahrens 6066b24ab676SJeff Bonwick zs->zs_proc_start = gethrtime(); 6067420dfc95SChris Siden zs->zs_proc_stop = zs->zs_proc_start + ztest_opts.zo_time * NANOSEC; 6068fa9e4066Sahrens 6069b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 6070420dfc95SChris Siden zi = &ztest_info[f]; 6071420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 6072b24ab676SJeff Bonwick if (zs->zs_proc_start + zi->zi_interval[0] > zs->zs_proc_stop) 6073420dfc95SChris Siden zc->zc_next = UINT64_MAX; 6074fa9e4066Sahrens else 6075420dfc95SChris Siden zc->zc_next = zs->zs_proc_start + 6076b24ab676SJeff Bonwick ztest_random(2 * zi->zi_interval[0] + 1); 6077fa9e4066Sahrens } 6078fa9e4066Sahrens 6079fa9e4066Sahrens /* 6080fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 6081fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 6082fa9e4066Sahrens * to verify that we never lose on-disk consistency. 6083fa9e4066Sahrens */ 6084b24ab676SJeff Bonwick while (gethrtime() < zs->zs_proc_stop) { 6085fa9e4066Sahrens int status; 6086420dfc95SChris Siden boolean_t killed; 6087fa9e4066Sahrens 6088fa9e4066Sahrens /* 6089fa9e4066Sahrens * Initialize the workload counters for each function. 6090fa9e4066Sahrens */ 6091b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 6092420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 6093420dfc95SChris Siden zc->zc_count = 0; 6094420dfc95SChris Siden zc->zc_time = 0; 6095fa9e4066Sahrens } 6096fa9e4066Sahrens 6097d6e555bdSGeorge Wilson /* Set the allocation switch size */ 6098420dfc95SChris Siden zs->zs_metaslab_df_alloc_threshold = 6099420dfc95SChris Siden ztest_random(zs->zs_metaslab_sz / 4) + 1; 6100fa9e4066Sahrens 6101420dfc95SChris Siden if (!hasalt || ztest_random(2) == 0) { 6102420dfc95SChris Siden if (hasalt && ztest_opts.zo_verbose >= 1) { 6103420dfc95SChris Siden (void) printf("Executing newer ztest: %s\n", 6104420dfc95SChris Siden cmd); 6105fa9e4066Sahrens } 6106420dfc95SChris Siden newer++; 6107420dfc95SChris Siden killed = exec_child(cmd, NULL, B_TRUE, &status); 61085ad82045Snd } else { 6109420dfc95SChris Siden if (hasalt && ztest_opts.zo_verbose >= 1) { 6110420dfc95SChris Siden (void) printf("Executing older ztest: %s\n", 6111420dfc95SChris Siden ztest_opts.zo_alt_ztest); 6112420dfc95SChris Siden } 6113420dfc95SChris Siden older++; 6114420dfc95SChris Siden killed = exec_child(ztest_opts.zo_alt_ztest, 6115420dfc95SChris Siden ztest_opts.zo_alt_libpath, B_TRUE, &status); 6116fa9e4066Sahrens } 6117fa9e4066Sahrens 6118420dfc95SChris Siden if (killed) 6119420dfc95SChris Siden kills++; 6120fa9e4066Sahrens iters++; 6121fa9e4066Sahrens 6122420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6123fa9e4066Sahrens hrtime_t now = gethrtime(); 6124fa9e4066Sahrens 6125b24ab676SJeff Bonwick now = MIN(now, zs->zs_proc_stop); 6126b24ab676SJeff Bonwick print_time(zs->zs_proc_stop - now, timebuf); 6127fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 6128fa9e4066Sahrens 6129fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 6130fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 6131fa9e4066Sahrens iters, 6132fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 6133fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 6134fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 6135fa9e4066Sahrens numbuf, 6136b24ab676SJeff Bonwick 100.0 * (now - zs->zs_proc_start) / 6137420dfc95SChris Siden (ztest_opts.zo_time * NANOSEC), timebuf); 6138fa9e4066Sahrens } 6139fa9e4066Sahrens 6140420dfc95SChris Siden if (ztest_opts.zo_verbose >= 2) { 6141fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 6142fa9e4066Sahrens (void) printf("%7s %9s %s\n", 6143fa9e4066Sahrens "Calls", "Time", "Function"); 6144fa9e4066Sahrens (void) printf("%7s %9s %s\n", 6145fa9e4066Sahrens "-----", "----", "--------"); 6146b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 6147fa9e4066Sahrens Dl_info dli; 6148fa9e4066Sahrens 6149420dfc95SChris Siden zi = &ztest_info[f]; 6150420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 6151420dfc95SChris Siden print_time(zc->zc_time, timebuf); 6152fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 6153fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 6154420dfc95SChris Siden (u_longlong_t)zc->zc_count, timebuf, 6155fa9e4066Sahrens dli.dli_sname); 6156fa9e4066Sahrens } 6157fa9e4066Sahrens (void) printf("\n"); 6158fa9e4066Sahrens } 6159fa9e4066Sahrens 6160fa9e4066Sahrens /* 6161b24ab676SJeff Bonwick * It's possible that we killed a child during a rename test, 6162b24ab676SJeff Bonwick * in which case we'll have a 'ztest_tmp' pool lying around 6163b24ab676SJeff Bonwick * instead of 'ztest'. Do a blind rename in case this happened. 6164fa9e4066Sahrens */ 6165b24ab676SJeff Bonwick kernel_init(FREAD); 6166420dfc95SChris Siden if (spa_open(ztest_opts.zo_pool, &spa, FTAG) == 0) { 6167b24ab676SJeff Bonwick spa_close(spa, FTAG); 6168b24ab676SJeff Bonwick } else { 6169b24ab676SJeff Bonwick char tmpname[MAXNAMELEN]; 6170b24ab676SJeff Bonwick kernel_fini(); 6171b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 6172b24ab676SJeff Bonwick (void) snprintf(tmpname, sizeof (tmpname), "%s_tmp", 6173420dfc95SChris Siden ztest_opts.zo_pool); 6174420dfc95SChris Siden (void) spa_rename(tmpname, ztest_opts.zo_pool); 6175b24ab676SJeff Bonwick } 6176fa9e4066Sahrens kernel_fini(); 6177fa9e4066Sahrens 6178420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 6179b24ab676SJeff Bonwick } 6180fa9e4066Sahrens 6181420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6182420dfc95SChris Siden if (hasalt) { 6183420dfc95SChris Siden (void) printf("%d runs of older ztest: %s\n", older, 6184420dfc95SChris Siden ztest_opts.zo_alt_ztest); 6185420dfc95SChris Siden (void) printf("%d runs of newer ztest: %s\n", newer, 6186420dfc95SChris Siden cmd); 6187420dfc95SChris Siden } 6188fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 6189fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 6190fa9e4066Sahrens } 6191fa9e4066Sahrens 6192741652b0SEtienne Dechamps umem_free(cmd, MAXNAMELEN); 6193741652b0SEtienne Dechamps 6194fa9e4066Sahrens return (0); 6195fa9e4066Sahrens } 6196