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 122420dfc95SChris Siden #define ZTEST_FD_DATA 3 123420dfc95SChris Siden #define ZTEST_FD_RAND 4 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, 205b24ab676SJeff Bonwick ZTEST_IO_TYPES 206b24ab676SJeff Bonwick }; 207b24ab676SJeff Bonwick 208e05725b1Sbonwick typedef struct ztest_block_tag { 209b24ab676SJeff Bonwick uint64_t bt_magic; 210e05725b1Sbonwick uint64_t bt_objset; 211e05725b1Sbonwick uint64_t bt_object; 212e05725b1Sbonwick uint64_t bt_offset; 213b24ab676SJeff Bonwick uint64_t bt_gen; 214e05725b1Sbonwick uint64_t bt_txg; 215b24ab676SJeff Bonwick uint64_t bt_crtxg; 216e05725b1Sbonwick } ztest_block_tag_t; 217e05725b1Sbonwick 218b24ab676SJeff Bonwick typedef struct bufwad { 219b24ab676SJeff Bonwick uint64_t bw_index; 220b24ab676SJeff Bonwick uint64_t bw_txg; 221b24ab676SJeff Bonwick uint64_t bw_data; 222b24ab676SJeff Bonwick } bufwad_t; 223b24ab676SJeff Bonwick 224b24ab676SJeff Bonwick /* 225b24ab676SJeff Bonwick * XXX -- fix zfs range locks to be generic so we can use them here. 226b24ab676SJeff Bonwick */ 227b24ab676SJeff Bonwick typedef enum { 228b24ab676SJeff Bonwick RL_READER, 229b24ab676SJeff Bonwick RL_WRITER, 230b24ab676SJeff Bonwick RL_APPEND 231b24ab676SJeff Bonwick } rl_type_t; 232b24ab676SJeff Bonwick 233b24ab676SJeff Bonwick typedef struct rll { 234b24ab676SJeff Bonwick void *rll_writer; 235b24ab676SJeff Bonwick int rll_readers; 236b24ab676SJeff Bonwick mutex_t rll_lock; 237b24ab676SJeff Bonwick cond_t rll_cv; 238b24ab676SJeff Bonwick } rll_t; 239b24ab676SJeff Bonwick 240b24ab676SJeff Bonwick typedef struct rl { 241b24ab676SJeff Bonwick uint64_t rl_object; 242b24ab676SJeff Bonwick uint64_t rl_offset; 243b24ab676SJeff Bonwick uint64_t rl_size; 244b24ab676SJeff Bonwick rll_t *rl_lock; 245b24ab676SJeff Bonwick } rl_t; 246b24ab676SJeff Bonwick 247b24ab676SJeff Bonwick #define ZTEST_RANGE_LOCKS 64 248b24ab676SJeff Bonwick #define ZTEST_OBJECT_LOCKS 64 249b24ab676SJeff Bonwick 250b24ab676SJeff Bonwick /* 251b24ab676SJeff Bonwick * Object descriptor. Used as a template for object lookup/create/remove. 252b24ab676SJeff Bonwick */ 253b24ab676SJeff Bonwick typedef struct ztest_od { 254b24ab676SJeff Bonwick uint64_t od_dir; 255b24ab676SJeff Bonwick uint64_t od_object; 256b24ab676SJeff Bonwick dmu_object_type_t od_type; 257b24ab676SJeff Bonwick dmu_object_type_t od_crtype; 258b24ab676SJeff Bonwick uint64_t od_blocksize; 259b24ab676SJeff Bonwick uint64_t od_crblocksize; 260b24ab676SJeff Bonwick uint64_t od_gen; 261b24ab676SJeff Bonwick uint64_t od_crgen; 262b24ab676SJeff Bonwick char od_name[MAXNAMELEN]; 263b24ab676SJeff Bonwick } ztest_od_t; 264fa9e4066Sahrens 265b24ab676SJeff Bonwick /* 266b24ab676SJeff Bonwick * Per-dataset state. 267b24ab676SJeff Bonwick */ 268b24ab676SJeff Bonwick typedef struct ztest_ds { 269420dfc95SChris Siden ztest_shared_ds_t *zd_shared; 270b24ab676SJeff Bonwick objset_t *zd_os; 271c9ba2a43SEric Schrock rwlock_t zd_zilog_lock; 272b24ab676SJeff Bonwick zilog_t *zd_zilog; 273b24ab676SJeff Bonwick ztest_od_t *zd_od; /* debugging aid */ 274b24ab676SJeff Bonwick char zd_name[MAXNAMELEN]; 275b24ab676SJeff Bonwick mutex_t zd_dirobj_lock; 276b24ab676SJeff Bonwick rll_t zd_object_lock[ZTEST_OBJECT_LOCKS]; 277b24ab676SJeff Bonwick rll_t zd_range_lock[ZTEST_RANGE_LOCKS]; 278b24ab676SJeff Bonwick } ztest_ds_t; 279b24ab676SJeff Bonwick 280b24ab676SJeff Bonwick /* 281b24ab676SJeff Bonwick * Per-iteration state. 282b24ab676SJeff Bonwick */ 283b24ab676SJeff Bonwick typedef void ztest_func_t(ztest_ds_t *zd, uint64_t id); 284b24ab676SJeff Bonwick 285b24ab676SJeff Bonwick typedef struct ztest_info { 286b24ab676SJeff Bonwick ztest_func_t *zi_func; /* test function */ 287b24ab676SJeff Bonwick uint64_t zi_iters; /* iterations per execution */ 288b24ab676SJeff Bonwick uint64_t *zi_interval; /* execute every <interval> seconds */ 289b24ab676SJeff Bonwick } ztest_info_t; 290fa9e4066Sahrens 291420dfc95SChris Siden typedef struct ztest_shared_callstate { 292420dfc95SChris Siden uint64_t zc_count; /* per-pass count */ 293420dfc95SChris Siden uint64_t zc_time; /* per-pass time */ 294420dfc95SChris Siden uint64_t zc_next; /* next time to call this function */ 295420dfc95SChris Siden } ztest_shared_callstate_t; 296420dfc95SChris Siden 297420dfc95SChris Siden static ztest_shared_callstate_t *ztest_shared_callstate; 298420dfc95SChris Siden #define ZTEST_GET_SHARED_CALLSTATE(c) (&ztest_shared_callstate[c]) 299420dfc95SChris Siden 300fa9e4066Sahrens /* 301fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 302fa9e4066Sahrens */ 303fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 304fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 305fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 306d20e665cSRicardo M. Correia ztest_func_t ztest_dmu_commit_callbacks; 307fa9e4066Sahrens ztest_func_t ztest_zap; 308fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 309b24ab676SJeff Bonwick ztest_func_t ztest_zil_commit; 310c9ba2a43SEric Schrock ztest_func_t ztest_zil_remount; 311b24ab676SJeff Bonwick ztest_func_t ztest_dmu_read_write_zcopy; 312fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 313b24ab676SJeff Bonwick ztest_func_t ztest_dmu_prealloc; 314b24ab676SJeff Bonwick ztest_func_t ztest_fzap; 315fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 316b24ab676SJeff Bonwick ztest_func_t ztest_dsl_prop_get_set; 317b24ab676SJeff Bonwick ztest_func_t ztest_spa_prop_get_set; 318fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 319fa9e4066Sahrens ztest_func_t ztest_fault_inject; 320b24ab676SJeff Bonwick ztest_func_t ztest_ddt_repair; 321b24ab676SJeff Bonwick ztest_func_t ztest_dmu_snapshot_hold; 322e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 323b24ab676SJeff Bonwick ztest_func_t ztest_scrub; 324b24ab676SJeff Bonwick ztest_func_t ztest_dsl_dataset_promote_busy; 325fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 326fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 327fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 328e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 3291195e687SMark J Musante ztest_func_t ztest_split_pool; 330e9103aaeSGarrett D'Amore ztest_func_t ztest_reguid; 331fa9e4066Sahrens 332b24ab676SJeff Bonwick uint64_t zopt_always = 0ULL * NANOSEC; /* all the time */ 333b24ab676SJeff Bonwick uint64_t zopt_incessant = 1ULL * NANOSEC / 10; /* every 1/10 second */ 334b24ab676SJeff Bonwick uint64_t zopt_often = 1ULL * NANOSEC; /* every second */ 335b24ab676SJeff Bonwick uint64_t zopt_sometimes = 10ULL * NANOSEC; /* every 10 seconds */ 336b24ab676SJeff Bonwick uint64_t zopt_rarely = 60ULL * NANOSEC; /* every 60 seconds */ 337fa9e4066Sahrens 338fa9e4066Sahrens ztest_info_t ztest_info[] = { 339e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 340b24ab676SJeff Bonwick { ztest_dmu_write_parallel, 10, &zopt_always }, 341e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 342b24ab676SJeff Bonwick { ztest_dmu_commit_callbacks, 1, &zopt_always }, 343e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 344e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 3451195e687SMark J Musante { ztest_split_pool, 1, &zopt_always }, 346b24ab676SJeff Bonwick { ztest_zil_commit, 1, &zopt_incessant }, 347c9ba2a43SEric Schrock { ztest_zil_remount, 1, &zopt_sometimes }, 348b24ab676SJeff Bonwick { ztest_dmu_read_write_zcopy, 1, &zopt_often }, 349b24ab676SJeff Bonwick { ztest_dmu_objset_create_destroy, 1, &zopt_often }, 350b24ab676SJeff Bonwick { ztest_dsl_prop_get_set, 1, &zopt_often }, 351b24ab676SJeff Bonwick { ztest_spa_prop_get_set, 1, &zopt_sometimes }, 352b24ab676SJeff Bonwick #if 0 353b24ab676SJeff Bonwick { ztest_dmu_prealloc, 1, &zopt_sometimes }, 354b24ab676SJeff Bonwick #endif 355b24ab676SJeff Bonwick { ztest_fzap, 1, &zopt_sometimes }, 356b24ab676SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 357b24ab676SJeff Bonwick { ztest_spa_create_destroy, 1, &zopt_sometimes }, 358e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 359b24ab676SJeff Bonwick { ztest_ddt_repair, 1, &zopt_sometimes }, 3605c987a37SChris Kirby { ztest_dmu_snapshot_hold, 1, &zopt_sometimes }, 361e9103aaeSGarrett D'Amore { ztest_reguid, 1, &zopt_sometimes }, 362e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 363b24ab676SJeff Bonwick { ztest_scrub, 1, &zopt_rarely }, 364b24ab676SJeff Bonwick { ztest_dsl_dataset_promote_busy, 1, &zopt_rarely }, 365dfbb9432SGeorge Wilson { ztest_vdev_attach_detach, 1, &zopt_rarely }, 366e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 367420dfc95SChris Siden { ztest_vdev_add_remove, 1, 368420dfc95SChris Siden &ztest_opts.zo_vdevtime }, 369420dfc95SChris Siden { ztest_vdev_aux_add_remove, 1, 370420dfc95SChris Siden &ztest_opts.zo_vdevtime }, 371fa9e4066Sahrens }; 372fa9e4066Sahrens 373fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 374fa9e4066Sahrens 375d20e665cSRicardo M. Correia /* 376d20e665cSRicardo M. Correia * The following struct is used to hold a list of uncalled commit callbacks. 377d20e665cSRicardo M. Correia * The callbacks are ordered by txg number. 378d20e665cSRicardo M. Correia */ 379d20e665cSRicardo M. Correia typedef struct ztest_cb_list { 380d20e665cSRicardo M. Correia mutex_t zcl_callbacks_lock; 381d20e665cSRicardo M. Correia list_t zcl_callbacks; 382d20e665cSRicardo M. Correia } ztest_cb_list_t; 383d20e665cSRicardo M. Correia 384fa9e4066Sahrens /* 385fa9e4066Sahrens * Stuff we need to share writably between parent and child. 386fa9e4066Sahrens */ 387fa9e4066Sahrens typedef struct ztest_shared { 388420dfc95SChris Siden boolean_t zs_do_init; 389b24ab676SJeff Bonwick hrtime_t zs_proc_start; 390b24ab676SJeff Bonwick hrtime_t zs_proc_stop; 391b24ab676SJeff Bonwick hrtime_t zs_thread_start; 392b24ab676SJeff Bonwick hrtime_t zs_thread_stop; 393b24ab676SJeff Bonwick hrtime_t zs_thread_kill; 394b24ab676SJeff Bonwick uint64_t zs_enospc_count; 39588ecc943SGeorge Wilson uint64_t zs_vdev_next_leaf; 396e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 397fa9e4066Sahrens uint64_t zs_alloc; 398fa9e4066Sahrens uint64_t zs_space; 3991195e687SMark J Musante uint64_t zs_splits; 4001195e687SMark J Musante uint64_t zs_mirrors; 401420dfc95SChris Siden uint64_t zs_metaslab_sz; 402420dfc95SChris Siden uint64_t zs_metaslab_df_alloc_threshold; 403420dfc95SChris Siden uint64_t zs_guid; 404fa9e4066Sahrens } ztest_shared_t; 405fa9e4066Sahrens 406b24ab676SJeff Bonwick #define ID_PARALLEL -1ULL 407b24ab676SJeff Bonwick 408fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 409e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 410b24ab676SJeff Bonwick ztest_shared_t *ztest_shared; 411fa9e4066Sahrens 412420dfc95SChris Siden static spa_t *ztest_spa = NULL; 413420dfc95SChris Siden static ztest_ds_t *ztest_ds; 414420dfc95SChris Siden 415420dfc95SChris Siden static mutex_t ztest_vdev_lock; 416dfbb9432SGeorge Wilson 417dfbb9432SGeorge Wilson /* 418dfbb9432SGeorge Wilson * The ztest_name_lock protects the pool and dataset namespace used by 419dfbb9432SGeorge Wilson * the individual tests. To modify the namespace, consumers must grab 420dfbb9432SGeorge Wilson * this lock as writer. Grabbing the lock as reader will ensure that the 421dfbb9432SGeorge Wilson * namespace does not change while the lock is held. 422dfbb9432SGeorge Wilson */ 423420dfc95SChris Siden static rwlock_t ztest_name_lock; 424fa9e4066Sahrens 425420dfc95SChris Siden static boolean_t ztest_dump_core = B_TRUE; 426e14bb325SJeff Bonwick static boolean_t ztest_exiting; 4270a4e9518Sgw 428d20e665cSRicardo M. Correia /* Global commit callback list */ 429d20e665cSRicardo M. Correia static ztest_cb_list_t zcl; 430d20e665cSRicardo M. Correia 431b24ab676SJeff Bonwick enum ztest_object { 432b24ab676SJeff Bonwick ZTEST_META_DNODE = 0, 433b24ab676SJeff Bonwick ZTEST_DIROBJ, 434b24ab676SJeff Bonwick ZTEST_OBJECTS 435b24ab676SJeff Bonwick }; 436fa9e4066Sahrens 4371ce825d8Sraf static void usage(boolean_t) __NORETURN; 438f1b4288bSvb 439fa9e4066Sahrens /* 440fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 441fa9e4066Sahrens * debugging facilities. 442fa9e4066Sahrens */ 443fa9e4066Sahrens const char * 444fa9e4066Sahrens _umem_debug_init() 445fa9e4066Sahrens { 446fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 447fa9e4066Sahrens } 448fa9e4066Sahrens 449fa9e4066Sahrens const char * 450fa9e4066Sahrens _umem_logging_init(void) 451fa9e4066Sahrens { 452fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 453fa9e4066Sahrens } 454fa9e4066Sahrens 455fa9e4066Sahrens #define FATAL_MSG_SZ 1024 456fa9e4066Sahrens 457fa9e4066Sahrens char *fatal_msg; 458fa9e4066Sahrens 459fa9e4066Sahrens static void 460fa9e4066Sahrens fatal(int do_perror, char *message, ...) 461fa9e4066Sahrens { 462fa9e4066Sahrens va_list args; 463fa9e4066Sahrens int save_errno = errno; 464fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 465fa9e4066Sahrens 466fa9e4066Sahrens (void) fflush(stdout); 467fa9e4066Sahrens 468fa9e4066Sahrens va_start(args, message); 469fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 470fa9e4066Sahrens /* LINTED */ 471fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 472fa9e4066Sahrens va_end(args); 473fa9e4066Sahrens if (do_perror) { 474fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 475fa9e4066Sahrens ": %s", strerror(save_errno)); 476fa9e4066Sahrens } 477fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 478fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 479fa9e4066Sahrens if (ztest_dump_core) 480fa9e4066Sahrens abort(); 481fa9e4066Sahrens exit(3); 482fa9e4066Sahrens } 483fa9e4066Sahrens 484fa9e4066Sahrens static int 485fa9e4066Sahrens str2shift(const char *buf) 486fa9e4066Sahrens { 487fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 488fa9e4066Sahrens int i; 489fa9e4066Sahrens 490fa9e4066Sahrens if (buf[0] == '\0') 491fa9e4066Sahrens return (0); 492fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 493fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 494fa9e4066Sahrens break; 495fa9e4066Sahrens } 496f1b4288bSvb if (i == strlen(ends)) { 497f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 498f1b4288bSvb buf); 499f1b4288bSvb usage(B_FALSE); 500f1b4288bSvb } 501fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 502fa9e4066Sahrens return (10*i); 503fa9e4066Sahrens } 504f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 505f1b4288bSvb usage(B_FALSE); 506f1b4288bSvb /* NOTREACHED */ 507fa9e4066Sahrens } 508fa9e4066Sahrens 509fa9e4066Sahrens static uint64_t 510fa9e4066Sahrens nicenumtoull(const char *buf) 511fa9e4066Sahrens { 512fa9e4066Sahrens char *end; 513fa9e4066Sahrens uint64_t val; 514fa9e4066Sahrens 515fa9e4066Sahrens val = strtoull(buf, &end, 0); 516fa9e4066Sahrens if (end == buf) { 517f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 518f1b4288bSvb usage(B_FALSE); 519fa9e4066Sahrens } else if (end[0] == '.') { 520fa9e4066Sahrens double fval = strtod(buf, &end); 521fa9e4066Sahrens fval *= pow(2, str2shift(end)); 522f1b4288bSvb if (fval > UINT64_MAX) { 523f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 524f1b4288bSvb buf); 525f1b4288bSvb usage(B_FALSE); 526f1b4288bSvb } 527fa9e4066Sahrens val = (uint64_t)fval; 528fa9e4066Sahrens } else { 529fa9e4066Sahrens int shift = str2shift(end); 530f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 531f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 532f1b4288bSvb buf); 533f1b4288bSvb usage(B_FALSE); 534f1b4288bSvb } 535fa9e4066Sahrens val <<= shift; 536fa9e4066Sahrens } 537fa9e4066Sahrens return (val); 538fa9e4066Sahrens } 539fa9e4066Sahrens 540fa9e4066Sahrens static void 541f1b4288bSvb usage(boolean_t requested) 542fa9e4066Sahrens { 543420dfc95SChris Siden const ztest_shared_opts_t *zo = &ztest_opts_defaults; 544420dfc95SChris Siden 545fa9e4066Sahrens char nice_vdev_size[10]; 546fa9e4066Sahrens char nice_gang_bang[10]; 547f1b4288bSvb FILE *fp = requested ? stdout : stderr; 548fa9e4066Sahrens 549420dfc95SChris Siden nicenum(zo->zo_vdev_size, nice_vdev_size); 550420dfc95SChris Siden nicenum(zo->zo_metaslab_gang_bang, nice_gang_bang); 551fa9e4066Sahrens 552f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 553fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 554fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 5552215e990SMark J Musante "\t[-a alignment_shift (default: %d)] use 0 for random\n" 556fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 557fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 55899653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 559fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 560fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 561fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 5622215e990SMark J Musante "\t[-i init_count (default: %d)] initialize pool i times\n" 5632215e990SMark J Musante "\t[-k kill_percentage (default: %llu%%)]\n" 564fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 5652215e990SMark J Musante "\t[-f dir (default: %s)] file directory for vdev files\n" 5662215e990SMark J Musante "\t[-V] verbose (use multiple times for ever more blather)\n" 5672215e990SMark J Musante "\t[-E] use existing pool instead of creating new one\n" 5682215e990SMark J Musante "\t[-T time (default: %llu sec)] total run time\n" 5692215e990SMark J Musante "\t[-F freezeloops (default: %llu)] max loops in spa_freeze()\n" 5702215e990SMark J Musante "\t[-P passtime (default: %llu sec)] time per pass\n" 571420dfc95SChris Siden "\t[-B alt_ztest (default: <none>)] alternate ztest path\n" 572f1b4288bSvb "\t[-h] (print help)\n" 573fa9e4066Sahrens "", 574420dfc95SChris Siden zo->zo_pool, 575420dfc95SChris Siden (u_longlong_t)zo->zo_vdevs, /* -v */ 5760a4e9518Sgw nice_vdev_size, /* -s */ 577420dfc95SChris Siden zo->zo_ashift, /* -a */ 578420dfc95SChris Siden zo->zo_mirrors, /* -m */ 579420dfc95SChris Siden zo->zo_raidz, /* -r */ 580420dfc95SChris Siden zo->zo_raidz_parity, /* -R */ 581420dfc95SChris Siden zo->zo_datasets, /* -d */ 582420dfc95SChris Siden zo->zo_threads, /* -t */ 5830a4e9518Sgw nice_gang_bang, /* -g */ 584420dfc95SChris Siden zo->zo_init, /* -i */ 585420dfc95SChris Siden (u_longlong_t)zo->zo_killrate, /* -k */ 586420dfc95SChris Siden zo->zo_pool, /* -p */ 587420dfc95SChris Siden zo->zo_dir, /* -f */ 588420dfc95SChris Siden (u_longlong_t)zo->zo_time, /* -T */ 589420dfc95SChris Siden (u_longlong_t)zo->zo_maxloops, /* -F */ 590420dfc95SChris Siden (u_longlong_t)zo->zo_passtime); 591f1b4288bSvb exit(requested ? 0 : 1); 592fa9e4066Sahrens } 593fa9e4066Sahrens 594fa9e4066Sahrens static void 595fa9e4066Sahrens process_options(int argc, char **argv) 596fa9e4066Sahrens { 597420dfc95SChris Siden char *path; 598420dfc95SChris Siden ztest_shared_opts_t *zo = &ztest_opts; 599420dfc95SChris Siden 600fa9e4066Sahrens int opt; 601fa9e4066Sahrens uint64_t value; 602420dfc95SChris Siden char altdir[MAXNAMELEN] = { 0 }; 603fa9e4066Sahrens 604420dfc95SChris Siden bcopy(&ztest_opts_defaults, zo, sizeof (*zo)); 605fa9e4066Sahrens 606fa9e4066Sahrens while ((opt = getopt(argc, argv, 607420dfc95SChris Siden "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:hF:B:")) != EOF) { 608fa9e4066Sahrens value = 0; 609fa9e4066Sahrens switch (opt) { 6103d7072f8Seschrock case 'v': 6113d7072f8Seschrock case 's': 6123d7072f8Seschrock case 'a': 6133d7072f8Seschrock case 'm': 6143d7072f8Seschrock case 'r': 6153d7072f8Seschrock case 'R': 6163d7072f8Seschrock case 'd': 6173d7072f8Seschrock case 't': 6183d7072f8Seschrock case 'g': 6193d7072f8Seschrock case 'i': 6203d7072f8Seschrock case 'k': 6213d7072f8Seschrock case 'T': 6223d7072f8Seschrock case 'P': 6232215e990SMark J Musante case 'F': 624fa9e4066Sahrens value = nicenumtoull(optarg); 625fa9e4066Sahrens } 626fa9e4066Sahrens switch (opt) { 6273d7072f8Seschrock case 'v': 628420dfc95SChris Siden zo->zo_vdevs = value; 629fa9e4066Sahrens break; 6303d7072f8Seschrock case 's': 631420dfc95SChris Siden zo->zo_vdev_size = MAX(SPA_MINDEVSIZE, value); 632fa9e4066Sahrens break; 6333d7072f8Seschrock case 'a': 634420dfc95SChris Siden zo->zo_ashift = value; 635ecc2d604Sbonwick break; 6363d7072f8Seschrock case 'm': 637420dfc95SChris Siden zo->zo_mirrors = value; 638fa9e4066Sahrens break; 6393d7072f8Seschrock case 'r': 640420dfc95SChris Siden zo->zo_raidz = MAX(1, value); 641fa9e4066Sahrens break; 6423d7072f8Seschrock case 'R': 643420dfc95SChris Siden zo->zo_raidz_parity = MIN(MAX(value, 1), 3); 64499653d4eSeschrock break; 6453d7072f8Seschrock case 'd': 646420dfc95SChris Siden zo->zo_datasets = MAX(1, value); 647fa9e4066Sahrens break; 6483d7072f8Seschrock case 't': 649420dfc95SChris Siden zo->zo_threads = MAX(1, value); 650fa9e4066Sahrens break; 6513d7072f8Seschrock case 'g': 652420dfc95SChris Siden zo->zo_metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, 653420dfc95SChris Siden value); 654fa9e4066Sahrens break; 6553d7072f8Seschrock case 'i': 656420dfc95SChris Siden zo->zo_init = value; 657fa9e4066Sahrens break; 6583d7072f8Seschrock case 'k': 659420dfc95SChris Siden zo->zo_killrate = value; 660fa9e4066Sahrens break; 6613d7072f8Seschrock case 'p': 662420dfc95SChris Siden (void) strlcpy(zo->zo_pool, optarg, 663420dfc95SChris Siden sizeof (zo->zo_pool)); 664fa9e4066Sahrens break; 6653d7072f8Seschrock case 'f': 666420dfc95SChris Siden path = realpath(optarg, NULL); 667420dfc95SChris Siden if (path == NULL) { 668420dfc95SChris Siden (void) fprintf(stderr, "error: %s: %s\n", 669420dfc95SChris Siden optarg, strerror(errno)); 670420dfc95SChris Siden usage(B_FALSE); 671420dfc95SChris Siden } else { 672420dfc95SChris Siden (void) strlcpy(zo->zo_dir, path, 673420dfc95SChris Siden sizeof (zo->zo_dir)); 674420dfc95SChris Siden } 675fa9e4066Sahrens break; 6763d7072f8Seschrock case 'V': 677420dfc95SChris Siden zo->zo_verbose++; 678fa9e4066Sahrens break; 6793d7072f8Seschrock case 'E': 680420dfc95SChris Siden zo->zo_init = 0; 681fa9e4066Sahrens break; 6823d7072f8Seschrock case 'T': 683420dfc95SChris Siden zo->zo_time = value; 684fa9e4066Sahrens break; 6853d7072f8Seschrock case 'P': 686420dfc95SChris Siden zo->zo_passtime = MAX(1, value); 687fa9e4066Sahrens break; 6882215e990SMark J Musante case 'F': 689420dfc95SChris Siden zo->zo_maxloops = MAX(1, value); 690420dfc95SChris Siden break; 691420dfc95SChris Siden case 'B': 692420dfc95SChris Siden (void) strlcpy(altdir, optarg, sizeof (altdir)); 6932215e990SMark J Musante break; 6943d7072f8Seschrock case 'h': 695f1b4288bSvb usage(B_TRUE); 696f1b4288bSvb break; 6973d7072f8Seschrock case '?': 6983d7072f8Seschrock default: 699f1b4288bSvb usage(B_FALSE); 700fa9e4066Sahrens break; 701fa9e4066Sahrens } 702fa9e4066Sahrens } 703fa9e4066Sahrens 704420dfc95SChris Siden zo->zo_raidz_parity = MIN(zo->zo_raidz_parity, zo->zo_raidz - 1); 70599653d4eSeschrock 706420dfc95SChris Siden zo->zo_vdevtime = 707420dfc95SChris Siden (zo->zo_vdevs > 0 ? zo->zo_time * NANOSEC / zo->zo_vdevs : 708b24ab676SJeff Bonwick UINT64_MAX >> 2); 709420dfc95SChris Siden 710420dfc95SChris Siden if (strlen(altdir) > 0) { 711420dfc95SChris Siden char cmd[MAXNAMELEN]; 712420dfc95SChris Siden char realaltdir[MAXNAMELEN]; 713420dfc95SChris Siden char *bin; 714420dfc95SChris Siden char *ztest; 715420dfc95SChris Siden char *isa; 716420dfc95SChris Siden int isalen; 717420dfc95SChris Siden 718420dfc95SChris Siden (void) realpath(getexecname(), cmd); 719420dfc95SChris Siden if (0 != access(altdir, F_OK)) { 720420dfc95SChris Siden ztest_dump_core = B_FALSE; 721420dfc95SChris Siden fatal(B_TRUE, "invalid alternate ztest path: %s", 722420dfc95SChris Siden altdir); 723420dfc95SChris Siden } 724420dfc95SChris Siden VERIFY(NULL != realpath(altdir, realaltdir)); 725420dfc95SChris Siden 726420dfc95SChris Siden /* 727420dfc95SChris Siden * 'cmd' should be of the form "<anything>/usr/bin/<isa>/ztest". 728420dfc95SChris Siden * We want to extract <isa> to determine if we should use 729420dfc95SChris Siden * 32 or 64 bit binaries. 730420dfc95SChris Siden */ 731420dfc95SChris Siden bin = strstr(cmd, "/usr/bin/"); 732420dfc95SChris Siden ztest = strstr(bin, "/ztest"); 733420dfc95SChris Siden isa = bin + 9; 734420dfc95SChris Siden isalen = ztest - isa; 735420dfc95SChris Siden (void) snprintf(zo->zo_alt_ztest, sizeof (zo->zo_alt_ztest), 736420dfc95SChris Siden "%s/usr/bin/%.*s/ztest", realaltdir, isalen, isa); 737420dfc95SChris Siden (void) snprintf(zo->zo_alt_libpath, sizeof (zo->zo_alt_libpath), 738420dfc95SChris Siden "%s/usr/lib/%.*s", realaltdir, isalen, isa); 739420dfc95SChris Siden 740420dfc95SChris Siden if (0 != access(zo->zo_alt_ztest, X_OK)) { 741420dfc95SChris Siden ztest_dump_core = B_FALSE; 742420dfc95SChris Siden fatal(B_TRUE, "invalid alternate ztest: %s", 743420dfc95SChris Siden zo->zo_alt_ztest); 744420dfc95SChris Siden } else if (0 != access(zo->zo_alt_libpath, X_OK)) { 745420dfc95SChris Siden ztest_dump_core = B_FALSE; 746420dfc95SChris Siden fatal(B_TRUE, "invalid alternate lib directory %s", 747420dfc95SChris Siden zo->zo_alt_libpath); 748420dfc95SChris Siden } 749420dfc95SChris Siden } 750fa9e4066Sahrens } 751fa9e4066Sahrens 752b24ab676SJeff Bonwick static void 753b24ab676SJeff Bonwick ztest_kill(ztest_shared_t *zs) 754b24ab676SJeff Bonwick { 755420dfc95SChris Siden zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(ztest_spa)); 756420dfc95SChris Siden zs->zs_space = metaslab_class_get_space(spa_normal_class(ztest_spa)); 757b24ab676SJeff Bonwick (void) kill(getpid(), SIGKILL); 758b24ab676SJeff Bonwick } 759b24ab676SJeff Bonwick 760b24ab676SJeff Bonwick static uint64_t 761b24ab676SJeff Bonwick ztest_random(uint64_t range) 762b24ab676SJeff Bonwick { 763b24ab676SJeff Bonwick uint64_t r; 764b24ab676SJeff Bonwick 765b24ab676SJeff Bonwick if (range == 0) 766b24ab676SJeff Bonwick return (0); 767b24ab676SJeff Bonwick 768420dfc95SChris Siden if (read(ZTEST_FD_RAND, &r, sizeof (r)) != sizeof (r)) 769b24ab676SJeff Bonwick fatal(1, "short read from /dev/urandom"); 770b24ab676SJeff Bonwick 771b24ab676SJeff Bonwick return (r % range); 772b24ab676SJeff Bonwick } 773b24ab676SJeff Bonwick 774b24ab676SJeff Bonwick /* ARGSUSED */ 775b24ab676SJeff Bonwick static void 776b24ab676SJeff Bonwick ztest_record_enospc(const char *s) 777b24ab676SJeff Bonwick { 778b24ab676SJeff Bonwick ztest_shared->zs_enospc_count++; 779b24ab676SJeff Bonwick } 780b24ab676SJeff Bonwick 781ecc2d604Sbonwick static uint64_t 782ecc2d604Sbonwick ztest_get_ashift(void) 783ecc2d604Sbonwick { 784420dfc95SChris Siden if (ztest_opts.zo_ashift == 0) 785ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 786420dfc95SChris Siden return (ztest_opts.zo_ashift); 787ecc2d604Sbonwick } 788ecc2d604Sbonwick 789fa9e4066Sahrens static nvlist_t * 790e14bb325SJeff Bonwick make_vdev_file(char *path, char *aux, size_t size, uint64_t ashift) 791fa9e4066Sahrens { 792e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 793fa9e4066Sahrens uint64_t vdev; 794fa9e4066Sahrens nvlist_t *file; 795fa9e4066Sahrens 796e14bb325SJeff Bonwick if (ashift == 0) 797e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 798e14bb325SJeff Bonwick 799e14bb325SJeff Bonwick if (path == NULL) { 800e14bb325SJeff Bonwick path = pathbuf; 801fa9e4066Sahrens 802e14bb325SJeff Bonwick if (aux != NULL) { 803e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 804420dfc95SChris Siden (void) snprintf(path, sizeof (pathbuf), 805420dfc95SChris Siden ztest_aux_template, ztest_opts.zo_dir, 806420dfc95SChris Siden ztest_opts.zo_pool, aux, vdev); 807e14bb325SJeff Bonwick } else { 80888ecc943SGeorge Wilson vdev = ztest_shared->zs_vdev_next_leaf++; 809420dfc95SChris Siden (void) snprintf(path, sizeof (pathbuf), 810420dfc95SChris Siden ztest_dev_template, ztest_opts.zo_dir, 811420dfc95SChris Siden ztest_opts.zo_pool, vdev); 812e14bb325SJeff Bonwick } 813e14bb325SJeff Bonwick } 814e14bb325SJeff Bonwick 815e14bb325SJeff Bonwick if (size != 0) { 816e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 817fa9e4066Sahrens if (fd == -1) 818e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 819fa9e4066Sahrens if (ftruncate(fd, size) != 0) 820e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 821fa9e4066Sahrens (void) close(fd); 822fa9e4066Sahrens } 823fa9e4066Sahrens 824fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 825fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 826e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 827ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 828fa9e4066Sahrens 829fa9e4066Sahrens return (file); 830fa9e4066Sahrens } 831fa9e4066Sahrens 832fa9e4066Sahrens static nvlist_t * 833e14bb325SJeff Bonwick make_vdev_raidz(char *path, char *aux, size_t size, uint64_t ashift, int r) 834fa9e4066Sahrens { 835fa9e4066Sahrens nvlist_t *raidz, **child; 836fa9e4066Sahrens int c; 837fa9e4066Sahrens 838fa9e4066Sahrens if (r < 2) 839e14bb325SJeff Bonwick return (make_vdev_file(path, aux, size, ashift)); 840fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 841fa9e4066Sahrens 842fa9e4066Sahrens for (c = 0; c < r; c++) 843e14bb325SJeff Bonwick child[c] = make_vdev_file(path, aux, size, ashift); 844fa9e4066Sahrens 845fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 846fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 847fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 84899653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 849420dfc95SChris Siden ztest_opts.zo_raidz_parity) == 0); 850fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 851fa9e4066Sahrens child, r) == 0); 852fa9e4066Sahrens 853fa9e4066Sahrens for (c = 0; c < r; c++) 854fa9e4066Sahrens nvlist_free(child[c]); 855fa9e4066Sahrens 856fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 857fa9e4066Sahrens 858fa9e4066Sahrens return (raidz); 859fa9e4066Sahrens } 860fa9e4066Sahrens 861fa9e4066Sahrens static nvlist_t * 862e14bb325SJeff Bonwick make_vdev_mirror(char *path, char *aux, size_t size, uint64_t ashift, 86331157203SJeff Bonwick int r, int m) 864fa9e4066Sahrens { 865fa9e4066Sahrens nvlist_t *mirror, **child; 866fa9e4066Sahrens int c; 867fa9e4066Sahrens 868fa9e4066Sahrens if (m < 1) 869e14bb325SJeff Bonwick return (make_vdev_raidz(path, aux, size, ashift, r)); 870fa9e4066Sahrens 871fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 872fa9e4066Sahrens 873fa9e4066Sahrens for (c = 0; c < m; c++) 874e14bb325SJeff Bonwick child[c] = make_vdev_raidz(path, aux, size, ashift, r); 875fa9e4066Sahrens 876fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 877fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 878fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 879fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 880fa9e4066Sahrens child, m) == 0); 881fa9e4066Sahrens 882fa9e4066Sahrens for (c = 0; c < m; c++) 883fa9e4066Sahrens nvlist_free(child[c]); 884fa9e4066Sahrens 885fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 886fa9e4066Sahrens 887fa9e4066Sahrens return (mirror); 888fa9e4066Sahrens } 889fa9e4066Sahrens 890fa9e4066Sahrens static nvlist_t * 891e14bb325SJeff Bonwick make_vdev_root(char *path, char *aux, size_t size, uint64_t ashift, 892e14bb325SJeff Bonwick int log, int r, int m, int t) 893fa9e4066Sahrens { 894fa9e4066Sahrens nvlist_t *root, **child; 895fa9e4066Sahrens int c; 896fa9e4066Sahrens 897fa9e4066Sahrens ASSERT(t > 0); 898fa9e4066Sahrens 899fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 900fa9e4066Sahrens 90131157203SJeff Bonwick for (c = 0; c < t; c++) { 90231157203SJeff Bonwick child[c] = make_vdev_mirror(path, aux, size, ashift, r, m); 90331157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 90431157203SJeff Bonwick log) == 0); 90531157203SJeff Bonwick } 906fa9e4066Sahrens 907fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 908fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 909e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 910fa9e4066Sahrens child, t) == 0); 911fa9e4066Sahrens 912fa9e4066Sahrens for (c = 0; c < t; c++) 913fa9e4066Sahrens nvlist_free(child[c]); 914fa9e4066Sahrens 915fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 916fa9e4066Sahrens 917fa9e4066Sahrens return (root); 918fa9e4066Sahrens } 919fa9e4066Sahrens 920b24ab676SJeff Bonwick static int 921b24ab676SJeff Bonwick ztest_random_blocksize(void) 922fa9e4066Sahrens { 923b24ab676SJeff Bonwick return (1 << (SPA_MINBLOCKSHIFT + 924b24ab676SJeff Bonwick ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1))); 925b24ab676SJeff Bonwick } 926fa9e4066Sahrens 927b24ab676SJeff Bonwick static int 928b24ab676SJeff Bonwick ztest_random_ibshift(void) 929b24ab676SJeff Bonwick { 930b24ab676SJeff Bonwick return (DN_MIN_INDBLKSHIFT + 931b24ab676SJeff Bonwick ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1)); 932fa9e4066Sahrens } 933fa9e4066Sahrens 934b24ab676SJeff Bonwick static uint64_t 935b24ab676SJeff Bonwick ztest_random_vdev_top(spa_t *spa, boolean_t log_ok) 936fa9e4066Sahrens { 937b24ab676SJeff Bonwick uint64_t top; 938b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 939b24ab676SJeff Bonwick vdev_t *tvd; 940fa9e4066Sahrens 941b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); 942fa9e4066Sahrens 943b24ab676SJeff Bonwick do { 944b24ab676SJeff Bonwick top = ztest_random(rvd->vdev_children); 945b24ab676SJeff Bonwick tvd = rvd->vdev_child[top]; 946b24ab676SJeff Bonwick } while (tvd->vdev_ishole || (tvd->vdev_islog && !log_ok) || 947b24ab676SJeff Bonwick tvd->vdev_mg == NULL || tvd->vdev_mg->mg_class == NULL); 948fa9e4066Sahrens 949b24ab676SJeff Bonwick return (top); 950fa9e4066Sahrens } 951fa9e4066Sahrens 952b24ab676SJeff Bonwick static uint64_t 953b24ab676SJeff Bonwick ztest_random_dsl_prop(zfs_prop_t prop) 954fa9e4066Sahrens { 955b24ab676SJeff Bonwick uint64_t value; 956b24ab676SJeff Bonwick 957b24ab676SJeff Bonwick do { 958b24ab676SJeff Bonwick value = zfs_prop_random_value(prop, ztest_random(-1ULL)); 959b24ab676SJeff Bonwick } while (prop == ZFS_PROP_CHECKSUM && value == ZIO_CHECKSUM_OFF); 960b24ab676SJeff Bonwick 961b24ab676SJeff Bonwick return (value); 962fa9e4066Sahrens } 963fa9e4066Sahrens 964fa9e4066Sahrens static int 965b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(char *osname, zfs_prop_t prop, uint64_t value, 966b24ab676SJeff Bonwick boolean_t inherit) 967fa9e4066Sahrens { 968b24ab676SJeff Bonwick const char *propname = zfs_prop_to_name(prop); 969b24ab676SJeff Bonwick const char *valname; 970b24ab676SJeff Bonwick char setpoint[MAXPATHLEN]; 971b24ab676SJeff Bonwick uint64_t curval; 972fa9e4066Sahrens int error; 973fa9e4066Sahrens 97492241e0bSTom Erickson error = dsl_prop_set(osname, propname, 97592241e0bSTom Erickson (inherit ? ZPROP_SRC_NONE : ZPROP_SRC_LOCAL), 97692241e0bSTom Erickson sizeof (value), 1, &value); 977fa9e4066Sahrens 978b24ab676SJeff Bonwick if (error == ENOSPC) { 979b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 980fa9e4066Sahrens return (error); 981fa9e4066Sahrens } 982*fb09f5aaSMadhav Suresh ASSERT0(error); 983fa9e4066Sahrens 984b24ab676SJeff Bonwick VERIFY3U(dsl_prop_get(osname, propname, sizeof (curval), 985b24ab676SJeff Bonwick 1, &curval, setpoint), ==, 0); 986b24ab676SJeff Bonwick 987420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 988b24ab676SJeff Bonwick VERIFY(zfs_prop_index_to_string(prop, curval, &valname) == 0); 989b24ab676SJeff Bonwick (void) printf("%s %s = %s at '%s'\n", 990b24ab676SJeff Bonwick osname, propname, valname, setpoint); 991fa9e4066Sahrens } 992fa9e4066Sahrens 993fa9e4066Sahrens return (error); 994fa9e4066Sahrens } 995fa9e4066Sahrens 996fa9e4066Sahrens static int 997420dfc95SChris Siden ztest_spa_prop_set_uint64(zpool_prop_t prop, uint64_t value) 998fa9e4066Sahrens { 999420dfc95SChris Siden spa_t *spa = ztest_spa; 1000b24ab676SJeff Bonwick nvlist_t *props = NULL; 1001fa9e4066Sahrens int error; 1002fa9e4066Sahrens 1003b24ab676SJeff Bonwick VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 1004b24ab676SJeff Bonwick VERIFY(nvlist_add_uint64(props, zpool_prop_to_name(prop), value) == 0); 1005fa9e4066Sahrens 1006b24ab676SJeff Bonwick error = spa_prop_set(spa, props); 1007b24ab676SJeff Bonwick 1008b24ab676SJeff Bonwick nvlist_free(props); 1009b24ab676SJeff Bonwick 1010b24ab676SJeff Bonwick if (error == ENOSPC) { 1011b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 1012fa9e4066Sahrens return (error); 1013fa9e4066Sahrens } 1014*fb09f5aaSMadhav Suresh ASSERT0(error); 1015fa9e4066Sahrens 1016fa9e4066Sahrens return (error); 1017fa9e4066Sahrens } 1018fa9e4066Sahrens 1019b24ab676SJeff Bonwick static void 1020b24ab676SJeff Bonwick ztest_rll_init(rll_t *rll) 1021b24ab676SJeff Bonwick { 1022b24ab676SJeff Bonwick rll->rll_writer = NULL; 1023b24ab676SJeff Bonwick rll->rll_readers = 0; 1024b24ab676SJeff Bonwick VERIFY(_mutex_init(&rll->rll_lock, USYNC_THREAD, NULL) == 0); 1025b24ab676SJeff Bonwick VERIFY(cond_init(&rll->rll_cv, USYNC_THREAD, NULL) == 0); 1026b24ab676SJeff Bonwick } 1027fa9e4066Sahrens 1028b24ab676SJeff Bonwick static void 1029b24ab676SJeff Bonwick ztest_rll_destroy(rll_t *rll) 1030fa9e4066Sahrens { 1031b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 1032b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 1033b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&rll->rll_lock) == 0); 1034b24ab676SJeff Bonwick VERIFY(cond_destroy(&rll->rll_cv) == 0); 1035b24ab676SJeff Bonwick } 1036fa9e4066Sahrens 1037b24ab676SJeff Bonwick static void 1038b24ab676SJeff Bonwick ztest_rll_lock(rll_t *rll, rl_type_t type) 1039b24ab676SJeff Bonwick { 1040b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 1041fa9e4066Sahrens 1042b24ab676SJeff Bonwick if (type == RL_READER) { 1043b24ab676SJeff Bonwick while (rll->rll_writer != NULL) 1044b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 1045b24ab676SJeff Bonwick rll->rll_readers++; 1046b24ab676SJeff Bonwick } else { 1047b24ab676SJeff Bonwick while (rll->rll_writer != NULL || rll->rll_readers) 1048b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 1049b24ab676SJeff Bonwick rll->rll_writer = curthread; 1050b24ab676SJeff Bonwick } 1051fa9e4066Sahrens 1052b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 1053b24ab676SJeff Bonwick } 1054fa9e4066Sahrens 1055b24ab676SJeff Bonwick static void 1056b24ab676SJeff Bonwick ztest_rll_unlock(rll_t *rll) 1057b24ab676SJeff Bonwick { 1058b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 1059fa9e4066Sahrens 1060b24ab676SJeff Bonwick if (rll->rll_writer) { 1061b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 1062b24ab676SJeff Bonwick rll->rll_writer = NULL; 1063b24ab676SJeff Bonwick } else { 1064b24ab676SJeff Bonwick ASSERT(rll->rll_readers != 0); 1065b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 1066b24ab676SJeff Bonwick rll->rll_readers--; 1067b24ab676SJeff Bonwick } 1068fa9e4066Sahrens 1069b24ab676SJeff Bonwick if (rll->rll_writer == NULL && rll->rll_readers == 0) 1070b24ab676SJeff Bonwick VERIFY(cond_broadcast(&rll->rll_cv) == 0); 1071b24ab676SJeff Bonwick 1072b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 1073fa9e4066Sahrens } 1074fa9e4066Sahrens 1075b24ab676SJeff Bonwick static void 1076b24ab676SJeff Bonwick ztest_object_lock(ztest_ds_t *zd, uint64_t object, rl_type_t type) 107731157203SJeff Bonwick { 1078b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 107931157203SJeff Bonwick 1080b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 1081b24ab676SJeff Bonwick } 108231157203SJeff Bonwick 1083b24ab676SJeff Bonwick static void 1084b24ab676SJeff Bonwick ztest_object_unlock(ztest_ds_t *zd, uint64_t object) 1085b24ab676SJeff Bonwick { 1086b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 108731157203SJeff Bonwick 1088b24ab676SJeff Bonwick ztest_rll_unlock(rll); 108931157203SJeff Bonwick } 109031157203SJeff Bonwick 1091b24ab676SJeff Bonwick static rl_t * 1092b24ab676SJeff Bonwick ztest_range_lock(ztest_ds_t *zd, uint64_t object, uint64_t offset, 1093b24ab676SJeff Bonwick uint64_t size, rl_type_t type) 109488ecc943SGeorge Wilson { 1095b24ab676SJeff Bonwick uint64_t hash = object ^ (offset % (ZTEST_RANGE_LOCKS + 1)); 1096b24ab676SJeff Bonwick rll_t *rll = &zd->zd_range_lock[hash & (ZTEST_RANGE_LOCKS - 1)]; 1097b24ab676SJeff Bonwick rl_t *rl; 109888ecc943SGeorge Wilson 1099b24ab676SJeff Bonwick rl = umem_alloc(sizeof (*rl), UMEM_NOFAIL); 1100b24ab676SJeff Bonwick rl->rl_object = object; 1101b24ab676SJeff Bonwick rl->rl_offset = offset; 1102b24ab676SJeff Bonwick rl->rl_size = size; 1103b24ab676SJeff Bonwick rl->rl_lock = rll; 110488ecc943SGeorge Wilson 1105b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 110688ecc943SGeorge Wilson 1107b24ab676SJeff Bonwick return (rl); 110888ecc943SGeorge Wilson } 110988ecc943SGeorge Wilson 1110b24ab676SJeff Bonwick static void 1111b24ab676SJeff Bonwick ztest_range_unlock(rl_t *rl) 1112fa9e4066Sahrens { 1113b24ab676SJeff Bonwick rll_t *rll = rl->rl_lock; 1114fa9e4066Sahrens 1115b24ab676SJeff Bonwick ztest_rll_unlock(rll); 1116fa9e4066Sahrens 1117b24ab676SJeff Bonwick umem_free(rl, sizeof (*rl)); 1118b24ab676SJeff Bonwick } 1119fa9e4066Sahrens 1120b24ab676SJeff Bonwick static void 1121420dfc95SChris Siden ztest_zd_init(ztest_ds_t *zd, ztest_shared_ds_t *szd, objset_t *os) 1122b24ab676SJeff Bonwick { 1123b24ab676SJeff Bonwick zd->zd_os = os; 1124b24ab676SJeff Bonwick zd->zd_zilog = dmu_objset_zil(os); 1125420dfc95SChris Siden zd->zd_shared = szd; 1126b24ab676SJeff Bonwick dmu_objset_name(os, zd->zd_name); 1127fa9e4066Sahrens 1128420dfc95SChris Siden if (zd->zd_shared != NULL) 1129420dfc95SChris Siden zd->zd_shared->zd_seq = 0; 1130420dfc95SChris Siden 1131c9ba2a43SEric Schrock VERIFY(rwlock_init(&zd->zd_zilog_lock, USYNC_THREAD, NULL) == 0); 1132b24ab676SJeff Bonwick VERIFY(_mutex_init(&zd->zd_dirobj_lock, USYNC_THREAD, NULL) == 0); 1133b24ab676SJeff Bonwick 1134b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1135b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_object_lock[l]); 1136b24ab676SJeff Bonwick 1137b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1138b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_range_lock[l]); 1139b24ab676SJeff Bonwick } 1140b24ab676SJeff Bonwick 1141b24ab676SJeff Bonwick static void 1142b24ab676SJeff Bonwick ztest_zd_fini(ztest_ds_t *zd) 1143b24ab676SJeff Bonwick { 1144b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&zd->zd_dirobj_lock) == 0); 1145b24ab676SJeff Bonwick 1146b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1147b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_object_lock[l]); 1148b24ab676SJeff Bonwick 1149b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1150b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_range_lock[l]); 1151b24ab676SJeff Bonwick } 1152b24ab676SJeff Bonwick 1153b24ab676SJeff Bonwick #define TXG_MIGHTWAIT (ztest_random(10) == 0 ? TXG_NOWAIT : TXG_WAIT) 1154b24ab676SJeff Bonwick 1155b24ab676SJeff Bonwick static uint64_t 1156b24ab676SJeff Bonwick ztest_tx_assign(dmu_tx_t *tx, uint64_t txg_how, const char *tag) 1157b24ab676SJeff Bonwick { 1158b24ab676SJeff Bonwick uint64_t txg; 1159b24ab676SJeff Bonwick int error; 1160b24ab676SJeff Bonwick 1161b24ab676SJeff Bonwick /* 1162b24ab676SJeff Bonwick * Attempt to assign tx to some transaction group. 1163b24ab676SJeff Bonwick */ 1164b24ab676SJeff Bonwick error = dmu_tx_assign(tx, txg_how); 1165b24ab676SJeff Bonwick if (error) { 1166b24ab676SJeff Bonwick if (error == ERESTART) { 1167b24ab676SJeff Bonwick ASSERT(txg_how == TXG_NOWAIT); 1168b24ab676SJeff Bonwick dmu_tx_wait(tx); 1169b24ab676SJeff Bonwick } else { 1170b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1171b24ab676SJeff Bonwick ztest_record_enospc(tag); 1172b24ab676SJeff Bonwick } 1173b24ab676SJeff Bonwick dmu_tx_abort(tx); 1174b24ab676SJeff Bonwick return (0); 1175b24ab676SJeff Bonwick } 1176b24ab676SJeff Bonwick txg = dmu_tx_get_txg(tx); 1177b24ab676SJeff Bonwick ASSERT(txg != 0); 1178b24ab676SJeff Bonwick return (txg); 1179b24ab676SJeff Bonwick } 1180b24ab676SJeff Bonwick 1181b24ab676SJeff Bonwick static void 1182b24ab676SJeff Bonwick ztest_pattern_set(void *buf, uint64_t size, uint64_t value) 1183b24ab676SJeff Bonwick { 1184b24ab676SJeff Bonwick uint64_t *ip = buf; 1185b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1186b24ab676SJeff Bonwick 1187b24ab676SJeff Bonwick while (ip < ip_end) 1188b24ab676SJeff Bonwick *ip++ = value; 1189b24ab676SJeff Bonwick } 1190b24ab676SJeff Bonwick 1191b24ab676SJeff Bonwick static boolean_t 1192b24ab676SJeff Bonwick ztest_pattern_match(void *buf, uint64_t size, uint64_t value) 1193b24ab676SJeff Bonwick { 1194b24ab676SJeff Bonwick uint64_t *ip = buf; 1195b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1196b24ab676SJeff Bonwick uint64_t diff = 0; 1197b24ab676SJeff Bonwick 1198b24ab676SJeff Bonwick while (ip < ip_end) 1199b24ab676SJeff Bonwick diff |= (value - *ip++); 1200b24ab676SJeff Bonwick 1201b24ab676SJeff Bonwick return (diff == 0); 1202b24ab676SJeff Bonwick } 1203b24ab676SJeff Bonwick 1204b24ab676SJeff Bonwick static void 1205b24ab676SJeff Bonwick ztest_bt_generate(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1206b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1207b24ab676SJeff Bonwick { 1208b24ab676SJeff Bonwick bt->bt_magic = BT_MAGIC; 1209b24ab676SJeff Bonwick bt->bt_objset = dmu_objset_id(os); 1210b24ab676SJeff Bonwick bt->bt_object = object; 1211b24ab676SJeff Bonwick bt->bt_offset = offset; 1212b24ab676SJeff Bonwick bt->bt_gen = gen; 1213b24ab676SJeff Bonwick bt->bt_txg = txg; 1214b24ab676SJeff Bonwick bt->bt_crtxg = crtxg; 1215b24ab676SJeff Bonwick } 1216b24ab676SJeff Bonwick 1217b24ab676SJeff Bonwick static void 1218b24ab676SJeff Bonwick ztest_bt_verify(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1219b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1220b24ab676SJeff Bonwick { 1221b24ab676SJeff Bonwick ASSERT(bt->bt_magic == BT_MAGIC); 1222b24ab676SJeff Bonwick ASSERT(bt->bt_objset == dmu_objset_id(os)); 1223b24ab676SJeff Bonwick ASSERT(bt->bt_object == object); 1224b24ab676SJeff Bonwick ASSERT(bt->bt_offset == offset); 1225b24ab676SJeff Bonwick ASSERT(bt->bt_gen <= gen); 1226b24ab676SJeff Bonwick ASSERT(bt->bt_txg <= txg); 1227b24ab676SJeff Bonwick ASSERT(bt->bt_crtxg == crtxg); 1228b24ab676SJeff Bonwick } 1229b24ab676SJeff Bonwick 1230b24ab676SJeff Bonwick static ztest_block_tag_t * 1231b24ab676SJeff Bonwick ztest_bt_bonus(dmu_buf_t *db) 1232b24ab676SJeff Bonwick { 1233b24ab676SJeff Bonwick dmu_object_info_t doi; 1234b24ab676SJeff Bonwick ztest_block_tag_t *bt; 1235b24ab676SJeff Bonwick 1236b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1237b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, <=, db->db_size); 1238b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, >=, sizeof (*bt)); 1239b24ab676SJeff Bonwick bt = (void *)((char *)db->db_data + doi.doi_bonus_size - sizeof (*bt)); 1240b24ab676SJeff Bonwick 1241b24ab676SJeff Bonwick return (bt); 1242b24ab676SJeff Bonwick } 1243b24ab676SJeff Bonwick 1244b24ab676SJeff Bonwick /* 1245b24ab676SJeff Bonwick * ZIL logging ops 1246b24ab676SJeff Bonwick */ 1247b24ab676SJeff Bonwick 1248b24ab676SJeff Bonwick #define lrz_type lr_mode 1249b24ab676SJeff Bonwick #define lrz_blocksize lr_uid 1250b24ab676SJeff Bonwick #define lrz_ibshift lr_gid 1251b24ab676SJeff Bonwick #define lrz_bonustype lr_rdev 1252b24ab676SJeff Bonwick #define lrz_bonuslen lr_crtime[1] 1253b24ab676SJeff Bonwick 12545002558fSNeil Perrin static void 1255b24ab676SJeff Bonwick ztest_log_create(ztest_ds_t *zd, dmu_tx_t *tx, lr_create_t *lr) 1256b24ab676SJeff Bonwick { 1257b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1258b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1259b24ab676SJeff Bonwick itx_t *itx; 1260b24ab676SJeff Bonwick 1261b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 12625002558fSNeil Perrin return; 1263b24ab676SJeff Bonwick 1264b24ab676SJeff Bonwick itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize); 1265b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1266b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1267b24ab676SJeff Bonwick 12685002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1269b24ab676SJeff Bonwick } 1270b24ab676SJeff Bonwick 12715002558fSNeil Perrin static void 12725002558fSNeil Perrin ztest_log_remove(ztest_ds_t *zd, dmu_tx_t *tx, lr_remove_t *lr, uint64_t object) 1273b24ab676SJeff Bonwick { 1274b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1275b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1276b24ab676SJeff Bonwick itx_t *itx; 1277b24ab676SJeff Bonwick 1278b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 12795002558fSNeil Perrin return; 1280b24ab676SJeff Bonwick 1281b24ab676SJeff Bonwick itx = zil_itx_create(TX_REMOVE, sizeof (*lr) + namesize); 1282b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1283b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1284b24ab676SJeff Bonwick 128551bd2f97SNeil Perrin itx->itx_oid = object; 12865002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1287b24ab676SJeff Bonwick } 1288b24ab676SJeff Bonwick 12895002558fSNeil Perrin static void 1290b24ab676SJeff Bonwick ztest_log_write(ztest_ds_t *zd, dmu_tx_t *tx, lr_write_t *lr) 1291b24ab676SJeff Bonwick { 1292b24ab676SJeff Bonwick itx_t *itx; 1293b24ab676SJeff Bonwick itx_wr_state_t write_state = ztest_random(WR_NUM_STATES); 1294b24ab676SJeff Bonwick 1295b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 12965002558fSNeil Perrin return; 1297b24ab676SJeff Bonwick 1298b24ab676SJeff Bonwick if (lr->lr_length > ZIL_MAX_LOG_DATA) 1299b24ab676SJeff Bonwick write_state = WR_INDIRECT; 1300b24ab676SJeff Bonwick 1301b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, 1302b24ab676SJeff Bonwick sizeof (*lr) + (write_state == WR_COPIED ? lr->lr_length : 0)); 1303b24ab676SJeff Bonwick 1304b24ab676SJeff Bonwick if (write_state == WR_COPIED && 1305b24ab676SJeff Bonwick dmu_read(zd->zd_os, lr->lr_foid, lr->lr_offset, lr->lr_length, 1306b24ab676SJeff Bonwick ((lr_write_t *)&itx->itx_lr) + 1, DMU_READ_NO_PREFETCH) != 0) { 1307b24ab676SJeff Bonwick zil_itx_destroy(itx); 1308b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, sizeof (*lr)); 1309b24ab676SJeff Bonwick write_state = WR_NEED_COPY; 1310b24ab676SJeff Bonwick } 1311b24ab676SJeff Bonwick itx->itx_private = zd; 1312b24ab676SJeff Bonwick itx->itx_wr_state = write_state; 1313b24ab676SJeff Bonwick itx->itx_sync = (ztest_random(8) == 0); 1314b24ab676SJeff Bonwick itx->itx_sod += (write_state == WR_NEED_COPY ? lr->lr_length : 0); 1315b24ab676SJeff Bonwick 1316b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1317b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1318b24ab676SJeff Bonwick 13195002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1320b24ab676SJeff Bonwick } 1321b24ab676SJeff Bonwick 13225002558fSNeil Perrin static void 1323b24ab676SJeff Bonwick ztest_log_truncate(ztest_ds_t *zd, dmu_tx_t *tx, lr_truncate_t *lr) 1324b24ab676SJeff Bonwick { 1325b24ab676SJeff Bonwick itx_t *itx; 1326b24ab676SJeff Bonwick 1327b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13285002558fSNeil Perrin return; 1329b24ab676SJeff Bonwick 1330b24ab676SJeff Bonwick itx = zil_itx_create(TX_TRUNCATE, sizeof (*lr)); 1331b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1332b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1333b24ab676SJeff Bonwick 13345002558fSNeil Perrin itx->itx_sync = B_FALSE; 13355002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1336b24ab676SJeff Bonwick } 1337b24ab676SJeff Bonwick 13385002558fSNeil Perrin static void 1339b24ab676SJeff Bonwick ztest_log_setattr(ztest_ds_t *zd, dmu_tx_t *tx, lr_setattr_t *lr) 1340b24ab676SJeff Bonwick { 1341b24ab676SJeff Bonwick itx_t *itx; 1342b24ab676SJeff Bonwick 1343b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13445002558fSNeil Perrin return; 1345b24ab676SJeff Bonwick 1346b24ab676SJeff Bonwick itx = zil_itx_create(TX_SETATTR, sizeof (*lr)); 1347b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1348b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1349b24ab676SJeff Bonwick 13505002558fSNeil Perrin itx->itx_sync = B_FALSE; 13515002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1352b24ab676SJeff Bonwick } 1353b24ab676SJeff Bonwick 1354b24ab676SJeff Bonwick /* 1355b24ab676SJeff Bonwick * ZIL replay ops 1356b24ab676SJeff Bonwick */ 1357b24ab676SJeff Bonwick static int 1358b24ab676SJeff Bonwick ztest_replay_create(ztest_ds_t *zd, lr_create_t *lr, boolean_t byteswap) 1359b24ab676SJeff Bonwick { 1360b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1361b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1362b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1363b24ab676SJeff Bonwick dmu_buf_t *db; 1364b24ab676SJeff Bonwick dmu_tx_t *tx; 1365b24ab676SJeff Bonwick uint64_t txg; 1366b24ab676SJeff Bonwick int error = 0; 1367b24ab676SJeff Bonwick 1368b24ab676SJeff Bonwick if (byteswap) 1369b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1370b24ab676SJeff Bonwick 1371b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1372b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1373b24ab676SJeff Bonwick 1374b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1375b24ab676SJeff Bonwick 1376b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_TRUE, name); 1377b24ab676SJeff Bonwick 1378b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1379b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); 1380b24ab676SJeff Bonwick } else { 1381b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1382b24ab676SJeff Bonwick } 1383b24ab676SJeff Bonwick 1384b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1385b24ab676SJeff Bonwick if (txg == 0) 1386b24ab676SJeff Bonwick return (ENOSPC); 1387b24ab676SJeff Bonwick 1388b24ab676SJeff Bonwick ASSERT(dmu_objset_zil(os)->zl_replay == !!lr->lr_foid); 1389b24ab676SJeff Bonwick 1390b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1391b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1392b24ab676SJeff Bonwick lr->lr_foid = zap_create(os, 1393b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1394b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1395b24ab676SJeff Bonwick } else { 1396b24ab676SJeff Bonwick error = zap_create_claim(os, lr->lr_foid, 1397b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1398b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1399b24ab676SJeff Bonwick } 1400b24ab676SJeff Bonwick } else { 1401b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1402b24ab676SJeff Bonwick lr->lr_foid = dmu_object_alloc(os, 1403b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1404b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1405b24ab676SJeff Bonwick } else { 1406b24ab676SJeff Bonwick error = dmu_object_claim(os, lr->lr_foid, 1407b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1408b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1409b24ab676SJeff Bonwick } 1410b24ab676SJeff Bonwick } 1411b24ab676SJeff Bonwick 1412b24ab676SJeff Bonwick if (error) { 1413b24ab676SJeff Bonwick ASSERT3U(error, ==, EEXIST); 1414b24ab676SJeff Bonwick ASSERT(zd->zd_zilog->zl_replay); 1415b24ab676SJeff Bonwick dmu_tx_commit(tx); 1416b24ab676SJeff Bonwick return (error); 1417b24ab676SJeff Bonwick } 1418b24ab676SJeff Bonwick 1419b24ab676SJeff Bonwick ASSERT(lr->lr_foid != 0); 1420b24ab676SJeff Bonwick 1421b24ab676SJeff Bonwick if (lr->lrz_type != DMU_OT_ZAP_OTHER) 1422b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_set_blocksize(os, lr->lr_foid, 1423b24ab676SJeff Bonwick lr->lrz_blocksize, lr->lrz_ibshift, tx)); 1424b24ab676SJeff Bonwick 1425b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1426b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1427b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1428b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_gen, txg, txg); 1429b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1430b24ab676SJeff Bonwick 1431b420f3adSRichard Lowe VERIFY3U(0, ==, zap_add(os, lr->lr_doid, name, sizeof (uint64_t), 1, 1432b24ab676SJeff Bonwick &lr->lr_foid, tx)); 1433b24ab676SJeff Bonwick 1434b24ab676SJeff Bonwick (void) ztest_log_create(zd, tx, lr); 1435b24ab676SJeff Bonwick 1436b24ab676SJeff Bonwick dmu_tx_commit(tx); 1437b24ab676SJeff Bonwick 1438b24ab676SJeff Bonwick return (0); 1439b24ab676SJeff Bonwick } 1440b24ab676SJeff Bonwick 1441b24ab676SJeff Bonwick static int 1442b24ab676SJeff Bonwick ztest_replay_remove(ztest_ds_t *zd, lr_remove_t *lr, boolean_t byteswap) 1443b24ab676SJeff Bonwick { 1444b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1445b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1446b24ab676SJeff Bonwick dmu_object_info_t doi; 1447b24ab676SJeff Bonwick dmu_tx_t *tx; 1448b24ab676SJeff Bonwick uint64_t object, txg; 1449b24ab676SJeff Bonwick 1450b24ab676SJeff Bonwick if (byteswap) 1451b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1452b24ab676SJeff Bonwick 1453b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1454b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1455b24ab676SJeff Bonwick 1456b420f3adSRichard Lowe VERIFY3U(0, ==, 1457b24ab676SJeff Bonwick zap_lookup(os, lr->lr_doid, name, sizeof (object), 1, &object)); 1458b24ab676SJeff Bonwick ASSERT(object != 0); 1459b24ab676SJeff Bonwick 1460b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_WRITER); 1461b24ab676SJeff Bonwick 1462b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_info(os, object, &doi)); 1463b24ab676SJeff Bonwick 1464b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1465b24ab676SJeff Bonwick 1466b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_FALSE, name); 1467b24ab676SJeff Bonwick dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1468b24ab676SJeff Bonwick 1469b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1470b24ab676SJeff Bonwick if (txg == 0) { 1471b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1472b24ab676SJeff Bonwick return (ENOSPC); 1473b24ab676SJeff Bonwick } 1474b24ab676SJeff Bonwick 1475b24ab676SJeff Bonwick if (doi.doi_type == DMU_OT_ZAP_OTHER) { 1476b420f3adSRichard Lowe VERIFY3U(0, ==, zap_destroy(os, object, tx)); 1477b24ab676SJeff Bonwick } else { 1478b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_free(os, object, tx)); 1479b24ab676SJeff Bonwick } 1480b24ab676SJeff Bonwick 1481b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, lr->lr_doid, name, tx)); 1482b24ab676SJeff Bonwick 14835002558fSNeil Perrin (void) ztest_log_remove(zd, tx, lr, object); 1484b24ab676SJeff Bonwick 1485b24ab676SJeff Bonwick dmu_tx_commit(tx); 1486b24ab676SJeff Bonwick 1487b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1488b24ab676SJeff Bonwick 1489b24ab676SJeff Bonwick return (0); 1490b24ab676SJeff Bonwick } 1491b24ab676SJeff Bonwick 1492b24ab676SJeff Bonwick static int 1493b24ab676SJeff Bonwick ztest_replay_write(ztest_ds_t *zd, lr_write_t *lr, boolean_t byteswap) 1494b24ab676SJeff Bonwick { 1495b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1496b24ab676SJeff Bonwick void *data = lr + 1; /* data follows lr */ 1497b24ab676SJeff Bonwick uint64_t offset, length; 1498b24ab676SJeff Bonwick ztest_block_tag_t *bt = data; 1499b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1500b24ab676SJeff Bonwick uint64_t gen, txg, lrtxg, crtxg; 1501b24ab676SJeff Bonwick dmu_object_info_t doi; 1502b24ab676SJeff Bonwick dmu_tx_t *tx; 1503b24ab676SJeff Bonwick dmu_buf_t *db; 1504b24ab676SJeff Bonwick arc_buf_t *abuf = NULL; 1505b24ab676SJeff Bonwick rl_t *rl; 1506b24ab676SJeff Bonwick 1507b24ab676SJeff Bonwick if (byteswap) 1508b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1509b24ab676SJeff Bonwick 1510b24ab676SJeff Bonwick offset = lr->lr_offset; 1511b24ab676SJeff Bonwick length = lr->lr_length; 1512b24ab676SJeff Bonwick 1513b24ab676SJeff Bonwick /* If it's a dmu_sync() block, write the whole block */ 1514b24ab676SJeff Bonwick if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 1515b24ab676SJeff Bonwick uint64_t blocksize = BP_GET_LSIZE(&lr->lr_blkptr); 1516b24ab676SJeff Bonwick if (length < blocksize) { 1517b24ab676SJeff Bonwick offset -= offset % blocksize; 1518b24ab676SJeff Bonwick length = blocksize; 1519b24ab676SJeff Bonwick } 1520b24ab676SJeff Bonwick } 1521b24ab676SJeff Bonwick 1522b24ab676SJeff Bonwick if (bt->bt_magic == BSWAP_64(BT_MAGIC)) 1523b24ab676SJeff Bonwick byteswap_uint64_array(bt, sizeof (*bt)); 1524b24ab676SJeff Bonwick 1525b24ab676SJeff Bonwick if (bt->bt_magic != BT_MAGIC) 1526b24ab676SJeff Bonwick bt = NULL; 1527b24ab676SJeff Bonwick 1528b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1529b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, offset, length, RL_WRITER); 1530b24ab676SJeff Bonwick 1531b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1532b24ab676SJeff Bonwick 1533b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1534b24ab676SJeff Bonwick 1535b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1536b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1537b24ab676SJeff Bonwick gen = bbt->bt_gen; 1538b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1539b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1540b24ab676SJeff Bonwick 1541b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1542b24ab676SJeff Bonwick 1543b24ab676SJeff Bonwick dmu_tx_hold_write(tx, lr->lr_foid, offset, length); 1544b24ab676SJeff Bonwick 1545b24ab676SJeff Bonwick if (ztest_random(8) == 0 && length == doi.doi_data_block_size && 1546b24ab676SJeff Bonwick P2PHASE(offset, length) == 0) 1547b24ab676SJeff Bonwick abuf = dmu_request_arcbuf(db, length); 1548b24ab676SJeff Bonwick 1549b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1550b24ab676SJeff Bonwick if (txg == 0) { 1551b24ab676SJeff Bonwick if (abuf != NULL) 1552b24ab676SJeff Bonwick dmu_return_arcbuf(abuf); 1553b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1554b24ab676SJeff Bonwick ztest_range_unlock(rl); 1555b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1556b24ab676SJeff Bonwick return (ENOSPC); 1557b24ab676SJeff Bonwick } 1558b24ab676SJeff Bonwick 1559b24ab676SJeff Bonwick if (bt != NULL) { 1560b24ab676SJeff Bonwick /* 1561b24ab676SJeff Bonwick * Usually, verify the old data before writing new data -- 1562b24ab676SJeff Bonwick * but not always, because we also want to verify correct 1563b24ab676SJeff Bonwick * behavior when the data was not recently read into cache. 1564b24ab676SJeff Bonwick */ 1565b24ab676SJeff Bonwick ASSERT(offset % doi.doi_data_block_size == 0); 1566b24ab676SJeff Bonwick if (ztest_random(4) != 0) { 1567b24ab676SJeff Bonwick int prefetch = ztest_random(2) ? 1568b24ab676SJeff Bonwick DMU_READ_PREFETCH : DMU_READ_NO_PREFETCH; 1569b24ab676SJeff Bonwick ztest_block_tag_t rbt; 1570b24ab676SJeff Bonwick 1571b24ab676SJeff Bonwick VERIFY(dmu_read(os, lr->lr_foid, offset, 1572b24ab676SJeff Bonwick sizeof (rbt), &rbt, prefetch) == 0); 1573b24ab676SJeff Bonwick if (rbt.bt_magic == BT_MAGIC) { 1574b24ab676SJeff Bonwick ztest_bt_verify(&rbt, os, lr->lr_foid, 1575b24ab676SJeff Bonwick offset, gen, txg, crtxg); 1576b24ab676SJeff Bonwick } 1577b24ab676SJeff Bonwick } 1578b24ab676SJeff Bonwick 1579b24ab676SJeff Bonwick /* 1580b24ab676SJeff Bonwick * Writes can appear to be newer than the bonus buffer because 1581b24ab676SJeff Bonwick * the ztest_get_data() callback does a dmu_read() of the 1582b24ab676SJeff Bonwick * open-context data, which may be different than the data 1583b24ab676SJeff Bonwick * as it was when the write was generated. 1584b24ab676SJeff Bonwick */ 1585b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1586b24ab676SJeff Bonwick ztest_bt_verify(bt, os, lr->lr_foid, offset, 1587b24ab676SJeff Bonwick MAX(gen, bt->bt_gen), MAX(txg, lrtxg), 1588b24ab676SJeff Bonwick bt->bt_crtxg); 1589b24ab676SJeff Bonwick } 1590b24ab676SJeff Bonwick 1591b24ab676SJeff Bonwick /* 1592b24ab676SJeff Bonwick * Set the bt's gen/txg to the bonus buffer's gen/txg 1593b24ab676SJeff Bonwick * so that all of the usual ASSERTs will work. 1594b24ab676SJeff Bonwick */ 1595b24ab676SJeff Bonwick ztest_bt_generate(bt, os, lr->lr_foid, offset, gen, txg, crtxg); 1596b24ab676SJeff Bonwick } 1597b24ab676SJeff Bonwick 1598b24ab676SJeff Bonwick if (abuf == NULL) { 1599b24ab676SJeff Bonwick dmu_write(os, lr->lr_foid, offset, length, data, tx); 1600b24ab676SJeff Bonwick } else { 1601b24ab676SJeff Bonwick bcopy(data, abuf->b_data, length); 1602b24ab676SJeff Bonwick dmu_assign_arcbuf(db, offset, abuf, tx); 1603b24ab676SJeff Bonwick } 1604b24ab676SJeff Bonwick 1605b24ab676SJeff Bonwick (void) ztest_log_write(zd, tx, lr); 1606b24ab676SJeff Bonwick 1607b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1608b24ab676SJeff Bonwick 1609b24ab676SJeff Bonwick dmu_tx_commit(tx); 1610b24ab676SJeff Bonwick 1611b24ab676SJeff Bonwick ztest_range_unlock(rl); 1612b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1613b24ab676SJeff Bonwick 1614b24ab676SJeff Bonwick return (0); 1615b24ab676SJeff Bonwick } 1616b24ab676SJeff Bonwick 1617b24ab676SJeff Bonwick static int 1618b24ab676SJeff Bonwick ztest_replay_truncate(ztest_ds_t *zd, lr_truncate_t *lr, boolean_t byteswap) 1619b24ab676SJeff Bonwick { 1620b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1621b24ab676SJeff Bonwick dmu_tx_t *tx; 1622b24ab676SJeff Bonwick uint64_t txg; 1623b24ab676SJeff Bonwick rl_t *rl; 1624b24ab676SJeff Bonwick 1625b24ab676SJeff Bonwick if (byteswap) 1626b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1627b24ab676SJeff Bonwick 1628b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1629b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, lr->lr_offset, lr->lr_length, 1630b24ab676SJeff Bonwick RL_WRITER); 1631b24ab676SJeff Bonwick 1632b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1633b24ab676SJeff Bonwick 1634b24ab676SJeff Bonwick dmu_tx_hold_free(tx, lr->lr_foid, lr->lr_offset, lr->lr_length); 1635b24ab676SJeff Bonwick 1636b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1637b24ab676SJeff Bonwick if (txg == 0) { 1638b24ab676SJeff Bonwick ztest_range_unlock(rl); 1639b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1640b24ab676SJeff Bonwick return (ENOSPC); 1641b24ab676SJeff Bonwick } 1642b24ab676SJeff Bonwick 1643b24ab676SJeff Bonwick VERIFY(dmu_free_range(os, lr->lr_foid, lr->lr_offset, 1644b24ab676SJeff Bonwick lr->lr_length, tx) == 0); 1645b24ab676SJeff Bonwick 1646b24ab676SJeff Bonwick (void) ztest_log_truncate(zd, tx, lr); 1647b24ab676SJeff Bonwick 1648b24ab676SJeff Bonwick dmu_tx_commit(tx); 1649b24ab676SJeff Bonwick 1650b24ab676SJeff Bonwick ztest_range_unlock(rl); 1651b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1652b24ab676SJeff Bonwick 1653b24ab676SJeff Bonwick return (0); 1654b24ab676SJeff Bonwick } 1655b24ab676SJeff Bonwick 1656b24ab676SJeff Bonwick static int 1657b24ab676SJeff Bonwick ztest_replay_setattr(ztest_ds_t *zd, lr_setattr_t *lr, boolean_t byteswap) 1658b24ab676SJeff Bonwick { 1659b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1660b24ab676SJeff Bonwick dmu_tx_t *tx; 1661b24ab676SJeff Bonwick dmu_buf_t *db; 1662b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1663b24ab676SJeff Bonwick uint64_t txg, lrtxg, crtxg; 1664b24ab676SJeff Bonwick 1665b24ab676SJeff Bonwick if (byteswap) 1666b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1667b24ab676SJeff Bonwick 1668b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_WRITER); 1669b24ab676SJeff Bonwick 1670b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1671b24ab676SJeff Bonwick 1672b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1673b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, lr->lr_foid); 1674b24ab676SJeff Bonwick 1675b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1676b24ab676SJeff Bonwick if (txg == 0) { 1677b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1678b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1679b24ab676SJeff Bonwick return (ENOSPC); 1680b24ab676SJeff Bonwick } 1681b24ab676SJeff Bonwick 1682b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1683b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1684b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1685b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1686b24ab676SJeff Bonwick 1687b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1688b24ab676SJeff Bonwick ASSERT(lr->lr_size != 0); 1689b24ab676SJeff Bonwick ASSERT(lr->lr_mode != 0); 1690b24ab676SJeff Bonwick ASSERT(lrtxg != 0); 1691b24ab676SJeff Bonwick } else { 1692b24ab676SJeff Bonwick /* 1693b24ab676SJeff Bonwick * Randomly change the size and increment the generation. 1694b24ab676SJeff Bonwick */ 1695b24ab676SJeff Bonwick lr->lr_size = (ztest_random(db->db_size / sizeof (*bbt)) + 1) * 1696b24ab676SJeff Bonwick sizeof (*bbt); 1697b24ab676SJeff Bonwick lr->lr_mode = bbt->bt_gen + 1; 1698b24ab676SJeff Bonwick ASSERT(lrtxg == 0); 1699b24ab676SJeff Bonwick } 1700b24ab676SJeff Bonwick 1701b24ab676SJeff Bonwick /* 1702b24ab676SJeff Bonwick * Verify that the current bonus buffer is not newer than our txg. 1703b24ab676SJeff Bonwick */ 1704b24ab676SJeff Bonwick ztest_bt_verify(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, 1705b24ab676SJeff Bonwick MAX(txg, lrtxg), crtxg); 1706b24ab676SJeff Bonwick 1707b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1708b24ab676SJeff Bonwick 1709b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, >=, sizeof (*bbt)); 1710b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, <=, db->db_size); 1711*fb09f5aaSMadhav Suresh VERIFY0(dmu_set_bonus(db, lr->lr_size, tx)); 1712b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1713b24ab676SJeff Bonwick 1714b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, txg, crtxg); 1715b24ab676SJeff Bonwick 1716b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1717b24ab676SJeff Bonwick 1718b24ab676SJeff Bonwick (void) ztest_log_setattr(zd, tx, lr); 1719b24ab676SJeff Bonwick 1720b24ab676SJeff Bonwick dmu_tx_commit(tx); 1721b24ab676SJeff Bonwick 1722b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1723b24ab676SJeff Bonwick 1724b24ab676SJeff Bonwick return (0); 1725b24ab676SJeff Bonwick } 1726b24ab676SJeff Bonwick 1727b24ab676SJeff Bonwick zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 1728b24ab676SJeff Bonwick NULL, /* 0 no such transaction type */ 1729b24ab676SJeff Bonwick ztest_replay_create, /* TX_CREATE */ 1730b24ab676SJeff Bonwick NULL, /* TX_MKDIR */ 1731b24ab676SJeff Bonwick NULL, /* TX_MKXATTR */ 1732b24ab676SJeff Bonwick NULL, /* TX_SYMLINK */ 1733b24ab676SJeff Bonwick ztest_replay_remove, /* TX_REMOVE */ 1734b24ab676SJeff Bonwick NULL, /* TX_RMDIR */ 1735b24ab676SJeff Bonwick NULL, /* TX_LINK */ 1736b24ab676SJeff Bonwick NULL, /* TX_RENAME */ 1737b24ab676SJeff Bonwick ztest_replay_write, /* TX_WRITE */ 1738b24ab676SJeff Bonwick ztest_replay_truncate, /* TX_TRUNCATE */ 1739b24ab676SJeff Bonwick ztest_replay_setattr, /* TX_SETATTR */ 1740b24ab676SJeff Bonwick NULL, /* TX_ACL */ 1741b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL */ 1742b24ab676SJeff Bonwick NULL, /* TX_CREATE_ATTR */ 1743b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL_ATTR */ 1744b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL */ 1745b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ATTR */ 1746b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL_ATTR */ 1747b24ab676SJeff Bonwick NULL, /* TX_WRITE2 */ 1748b24ab676SJeff Bonwick }; 1749b24ab676SJeff Bonwick 1750b24ab676SJeff Bonwick /* 1751b24ab676SJeff Bonwick * ZIL get_data callbacks 1752b24ab676SJeff Bonwick */ 1753b24ab676SJeff Bonwick 1754b24ab676SJeff Bonwick static void 1755b24ab676SJeff Bonwick ztest_get_done(zgd_t *zgd, int error) 1756b24ab676SJeff Bonwick { 1757b24ab676SJeff Bonwick ztest_ds_t *zd = zgd->zgd_private; 1758b24ab676SJeff Bonwick uint64_t object = zgd->zgd_rl->rl_object; 1759b24ab676SJeff Bonwick 1760b24ab676SJeff Bonwick if (zgd->zgd_db) 1761b24ab676SJeff Bonwick dmu_buf_rele(zgd->zgd_db, zgd); 1762b24ab676SJeff Bonwick 1763b24ab676SJeff Bonwick ztest_range_unlock(zgd->zgd_rl); 1764b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1765b24ab676SJeff Bonwick 1766b24ab676SJeff Bonwick if (error == 0 && zgd->zgd_bp) 1767b24ab676SJeff Bonwick zil_add_block(zgd->zgd_zilog, zgd->zgd_bp); 1768b24ab676SJeff Bonwick 1769b24ab676SJeff Bonwick umem_free(zgd, sizeof (*zgd)); 1770b24ab676SJeff Bonwick } 1771b24ab676SJeff Bonwick 1772b24ab676SJeff Bonwick static int 1773b24ab676SJeff Bonwick ztest_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio) 1774b24ab676SJeff Bonwick { 1775b24ab676SJeff Bonwick ztest_ds_t *zd = arg; 1776b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1777b24ab676SJeff Bonwick uint64_t object = lr->lr_foid; 1778b24ab676SJeff Bonwick uint64_t offset = lr->lr_offset; 1779b24ab676SJeff Bonwick uint64_t size = lr->lr_length; 1780b24ab676SJeff Bonwick blkptr_t *bp = &lr->lr_blkptr; 1781b24ab676SJeff Bonwick uint64_t txg = lr->lr_common.lrc_txg; 1782b24ab676SJeff Bonwick uint64_t crtxg; 1783b24ab676SJeff Bonwick dmu_object_info_t doi; 1784b24ab676SJeff Bonwick dmu_buf_t *db; 1785b24ab676SJeff Bonwick zgd_t *zgd; 1786b24ab676SJeff Bonwick int error; 1787b24ab676SJeff Bonwick 1788b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 1789b24ab676SJeff Bonwick error = dmu_bonus_hold(os, object, FTAG, &db); 1790b24ab676SJeff Bonwick if (error) { 1791b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1792b24ab676SJeff Bonwick return (error); 1793b24ab676SJeff Bonwick } 1794b24ab676SJeff Bonwick 1795b24ab676SJeff Bonwick crtxg = ztest_bt_bonus(db)->bt_crtxg; 1796b24ab676SJeff Bonwick 1797b24ab676SJeff Bonwick if (crtxg == 0 || crtxg > txg) { 1798b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1799b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1800b24ab676SJeff Bonwick return (ENOENT); 1801b24ab676SJeff Bonwick } 1802b24ab676SJeff Bonwick 1803b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1804b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1805b24ab676SJeff Bonwick db = NULL; 1806b24ab676SJeff Bonwick 1807b24ab676SJeff Bonwick zgd = umem_zalloc(sizeof (*zgd), UMEM_NOFAIL); 1808b24ab676SJeff Bonwick zgd->zgd_zilog = zd->zd_zilog; 1809b24ab676SJeff Bonwick zgd->zgd_private = zd; 1810b24ab676SJeff Bonwick 1811b24ab676SJeff Bonwick if (buf != NULL) { /* immediate write */ 1812b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1813b24ab676SJeff Bonwick RL_READER); 1814b24ab676SJeff Bonwick 1815b24ab676SJeff Bonwick error = dmu_read(os, object, offset, size, buf, 1816b24ab676SJeff Bonwick DMU_READ_NO_PREFETCH); 1817b24ab676SJeff Bonwick ASSERT(error == 0); 1818b24ab676SJeff Bonwick } else { 1819b24ab676SJeff Bonwick size = doi.doi_data_block_size; 1820dfe73b3dSJeff Bonwick if (ISP2(size)) { 1821b24ab676SJeff Bonwick offset = P2ALIGN(offset, size); 1822dfe73b3dSJeff Bonwick } else { 1823dfe73b3dSJeff Bonwick ASSERT(offset < size); 1824dfe73b3dSJeff Bonwick offset = 0; 1825dfe73b3dSJeff Bonwick } 1826b24ab676SJeff Bonwick 1827b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1828b24ab676SJeff Bonwick RL_READER); 1829b24ab676SJeff Bonwick 183047cb52daSJeff Bonwick error = dmu_buf_hold(os, object, offset, zgd, &db, 183147cb52daSJeff Bonwick DMU_READ_NO_PREFETCH); 1832b24ab676SJeff Bonwick 1833b24ab676SJeff Bonwick if (error == 0) { 1834b24ab676SJeff Bonwick zgd->zgd_db = db; 1835b24ab676SJeff Bonwick zgd->zgd_bp = bp; 1836b24ab676SJeff Bonwick 1837b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 1838b24ab676SJeff Bonwick ASSERT(db->db_size == size); 1839b24ab676SJeff Bonwick 1840b24ab676SJeff Bonwick error = dmu_sync(zio, lr->lr_common.lrc_txg, 1841b24ab676SJeff Bonwick ztest_get_done, zgd); 1842b24ab676SJeff Bonwick 1843b24ab676SJeff Bonwick if (error == 0) 1844b24ab676SJeff Bonwick return (0); 1845b24ab676SJeff Bonwick } 1846b24ab676SJeff Bonwick } 1847b24ab676SJeff Bonwick 1848b24ab676SJeff Bonwick ztest_get_done(zgd, error); 1849b24ab676SJeff Bonwick 1850b24ab676SJeff Bonwick return (error); 1851b24ab676SJeff Bonwick } 1852b24ab676SJeff Bonwick 1853b24ab676SJeff Bonwick static void * 1854b24ab676SJeff Bonwick ztest_lr_alloc(size_t lrsize, char *name) 1855b24ab676SJeff Bonwick { 1856b24ab676SJeff Bonwick char *lr; 1857b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1858b24ab676SJeff Bonwick 1859b24ab676SJeff Bonwick lr = umem_zalloc(lrsize + namesize, UMEM_NOFAIL); 1860b24ab676SJeff Bonwick 1861b24ab676SJeff Bonwick if (name) 1862b24ab676SJeff Bonwick bcopy(name, lr + lrsize, namesize); 1863b24ab676SJeff Bonwick 1864b24ab676SJeff Bonwick return (lr); 1865b24ab676SJeff Bonwick } 1866b24ab676SJeff Bonwick 1867b24ab676SJeff Bonwick void 1868b24ab676SJeff Bonwick ztest_lr_free(void *lr, size_t lrsize, char *name) 1869b24ab676SJeff Bonwick { 1870b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1871b24ab676SJeff Bonwick 1872b24ab676SJeff Bonwick umem_free(lr, lrsize + namesize); 1873b24ab676SJeff Bonwick } 1874b24ab676SJeff Bonwick 1875b24ab676SJeff Bonwick /* 1876b24ab676SJeff Bonwick * Lookup a bunch of objects. Returns the number of objects not found. 1877b24ab676SJeff Bonwick */ 1878b24ab676SJeff Bonwick static int 1879b24ab676SJeff Bonwick ztest_lookup(ztest_ds_t *zd, ztest_od_t *od, int count) 1880b24ab676SJeff Bonwick { 1881b24ab676SJeff Bonwick int missing = 0; 1882b24ab676SJeff Bonwick int error; 1883b24ab676SJeff Bonwick 1884b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1885b24ab676SJeff Bonwick 1886b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1887b24ab676SJeff Bonwick od->od_object = 0; 1888b24ab676SJeff Bonwick error = zap_lookup(zd->zd_os, od->od_dir, od->od_name, 1889b24ab676SJeff Bonwick sizeof (uint64_t), 1, &od->od_object); 1890b24ab676SJeff Bonwick if (error) { 1891b24ab676SJeff Bonwick ASSERT(error == ENOENT); 1892b24ab676SJeff Bonwick ASSERT(od->od_object == 0); 1893b24ab676SJeff Bonwick missing++; 1894b24ab676SJeff Bonwick } else { 1895b24ab676SJeff Bonwick dmu_buf_t *db; 1896b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1897b24ab676SJeff Bonwick dmu_object_info_t doi; 1898b24ab676SJeff Bonwick 1899b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1900b24ab676SJeff Bonwick ASSERT(missing == 0); /* there should be no gaps */ 1901b24ab676SJeff Bonwick 1902b24ab676SJeff Bonwick ztest_object_lock(zd, od->od_object, RL_READER); 1903b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(zd->zd_os, 1904b24ab676SJeff Bonwick od->od_object, FTAG, &db)); 1905b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1906b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1907b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1908b24ab676SJeff Bonwick od->od_type = doi.doi_type; 1909b24ab676SJeff Bonwick od->od_blocksize = doi.doi_data_block_size; 1910b24ab676SJeff Bonwick od->od_gen = bbt->bt_gen; 1911b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1912b24ab676SJeff Bonwick ztest_object_unlock(zd, od->od_object); 1913b24ab676SJeff Bonwick } 1914b24ab676SJeff Bonwick } 1915b24ab676SJeff Bonwick 1916b24ab676SJeff Bonwick return (missing); 1917b24ab676SJeff Bonwick } 1918b24ab676SJeff Bonwick 1919b24ab676SJeff Bonwick static int 1920b24ab676SJeff Bonwick ztest_create(ztest_ds_t *zd, ztest_od_t *od, int count) 1921b24ab676SJeff Bonwick { 1922b24ab676SJeff Bonwick int missing = 0; 1923b24ab676SJeff Bonwick 1924b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1925b24ab676SJeff Bonwick 1926b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1927b24ab676SJeff Bonwick if (missing) { 1928b24ab676SJeff Bonwick od->od_object = 0; 1929b24ab676SJeff Bonwick missing++; 1930b24ab676SJeff Bonwick continue; 1931b24ab676SJeff Bonwick } 1932b24ab676SJeff Bonwick 1933b24ab676SJeff Bonwick lr_create_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1934b24ab676SJeff Bonwick 1935b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1936b24ab676SJeff Bonwick lr->lr_foid = 0; /* 0 to allocate, > 0 to claim */ 1937b24ab676SJeff Bonwick lr->lrz_type = od->od_crtype; 1938b24ab676SJeff Bonwick lr->lrz_blocksize = od->od_crblocksize; 1939b24ab676SJeff Bonwick lr->lrz_ibshift = ztest_random_ibshift(); 1940b24ab676SJeff Bonwick lr->lrz_bonustype = DMU_OT_UINT64_OTHER; 1941b24ab676SJeff Bonwick lr->lrz_bonuslen = dmu_bonus_max(); 1942b24ab676SJeff Bonwick lr->lr_gen = od->od_crgen; 1943b24ab676SJeff Bonwick lr->lr_crtime[0] = time(NULL); 1944b24ab676SJeff Bonwick 1945b24ab676SJeff Bonwick if (ztest_replay_create(zd, lr, B_FALSE) != 0) { 1946b24ab676SJeff Bonwick ASSERT(missing == 0); 1947b24ab676SJeff Bonwick od->od_object = 0; 1948b24ab676SJeff Bonwick missing++; 1949b24ab676SJeff Bonwick } else { 1950b24ab676SJeff Bonwick od->od_object = lr->lr_foid; 1951b24ab676SJeff Bonwick od->od_type = od->od_crtype; 1952b24ab676SJeff Bonwick od->od_blocksize = od->od_crblocksize; 1953b24ab676SJeff Bonwick od->od_gen = od->od_crgen; 1954b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1955b24ab676SJeff Bonwick } 1956b24ab676SJeff Bonwick 1957b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1958b24ab676SJeff Bonwick } 1959b24ab676SJeff Bonwick 1960b24ab676SJeff Bonwick return (missing); 1961b24ab676SJeff Bonwick } 1962b24ab676SJeff Bonwick 1963b24ab676SJeff Bonwick static int 1964b24ab676SJeff Bonwick ztest_remove(ztest_ds_t *zd, ztest_od_t *od, int count) 1965b24ab676SJeff Bonwick { 1966b24ab676SJeff Bonwick int missing = 0; 1967b24ab676SJeff Bonwick int error; 1968b24ab676SJeff Bonwick 1969b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1970b24ab676SJeff Bonwick 1971b24ab676SJeff Bonwick od += count - 1; 1972b24ab676SJeff Bonwick 1973b24ab676SJeff Bonwick for (int i = count - 1; i >= 0; i--, od--) { 1974b24ab676SJeff Bonwick if (missing) { 1975b24ab676SJeff Bonwick missing++; 1976b24ab676SJeff Bonwick continue; 1977b24ab676SJeff Bonwick } 1978b24ab676SJeff Bonwick 1979b24ab676SJeff Bonwick if (od->od_object == 0) 1980b24ab676SJeff Bonwick continue; 1981b24ab676SJeff Bonwick 1982b24ab676SJeff Bonwick lr_remove_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1983b24ab676SJeff Bonwick 1984b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1985b24ab676SJeff Bonwick 1986b24ab676SJeff Bonwick if ((error = ztest_replay_remove(zd, lr, B_FALSE)) != 0) { 1987b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1988b24ab676SJeff Bonwick missing++; 1989b24ab676SJeff Bonwick } else { 1990b24ab676SJeff Bonwick od->od_object = 0; 1991b24ab676SJeff Bonwick } 1992b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1993b24ab676SJeff Bonwick } 1994b24ab676SJeff Bonwick 1995b24ab676SJeff Bonwick return (missing); 1996b24ab676SJeff Bonwick } 1997b24ab676SJeff Bonwick 1998b24ab676SJeff Bonwick static int 1999b24ab676SJeff Bonwick ztest_write(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size, 2000b24ab676SJeff Bonwick void *data) 2001b24ab676SJeff Bonwick { 2002b24ab676SJeff Bonwick lr_write_t *lr; 2003b24ab676SJeff Bonwick int error; 2004b24ab676SJeff Bonwick 2005b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr) + size, NULL); 2006b24ab676SJeff Bonwick 2007b24ab676SJeff Bonwick lr->lr_foid = object; 2008b24ab676SJeff Bonwick lr->lr_offset = offset; 2009b24ab676SJeff Bonwick lr->lr_length = size; 2010b24ab676SJeff Bonwick lr->lr_blkoff = 0; 2011b24ab676SJeff Bonwick BP_ZERO(&lr->lr_blkptr); 2012b24ab676SJeff Bonwick 2013b24ab676SJeff Bonwick bcopy(data, lr + 1, size); 2014b24ab676SJeff Bonwick 2015b24ab676SJeff Bonwick error = ztest_replay_write(zd, lr, B_FALSE); 2016b24ab676SJeff Bonwick 2017b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr) + size, NULL); 2018b24ab676SJeff Bonwick 2019b24ab676SJeff Bonwick return (error); 2020b24ab676SJeff Bonwick } 2021b24ab676SJeff Bonwick 2022b24ab676SJeff Bonwick static int 2023b24ab676SJeff Bonwick ztest_truncate(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 2024b24ab676SJeff Bonwick { 2025b24ab676SJeff Bonwick lr_truncate_t *lr; 2026b24ab676SJeff Bonwick int error; 2027b24ab676SJeff Bonwick 2028b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 2029b24ab676SJeff Bonwick 2030b24ab676SJeff Bonwick lr->lr_foid = object; 2031b24ab676SJeff Bonwick lr->lr_offset = offset; 2032b24ab676SJeff Bonwick lr->lr_length = size; 2033b24ab676SJeff Bonwick 2034b24ab676SJeff Bonwick error = ztest_replay_truncate(zd, lr, B_FALSE); 2035b24ab676SJeff Bonwick 2036b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 2037b24ab676SJeff Bonwick 2038b24ab676SJeff Bonwick return (error); 2039b24ab676SJeff Bonwick } 2040b24ab676SJeff Bonwick 2041b24ab676SJeff Bonwick static int 2042b24ab676SJeff Bonwick ztest_setattr(ztest_ds_t *zd, uint64_t object) 2043b24ab676SJeff Bonwick { 2044b24ab676SJeff Bonwick lr_setattr_t *lr; 2045b24ab676SJeff Bonwick int error; 2046b24ab676SJeff Bonwick 2047b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 2048b24ab676SJeff Bonwick 2049b24ab676SJeff Bonwick lr->lr_foid = object; 2050b24ab676SJeff Bonwick lr->lr_size = 0; 2051b24ab676SJeff Bonwick lr->lr_mode = 0; 2052b24ab676SJeff Bonwick 2053b24ab676SJeff Bonwick error = ztest_replay_setattr(zd, lr, B_FALSE); 2054b24ab676SJeff Bonwick 2055b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 2056b24ab676SJeff Bonwick 2057b24ab676SJeff Bonwick return (error); 2058b24ab676SJeff Bonwick } 2059b24ab676SJeff Bonwick 2060b24ab676SJeff Bonwick static void 2061b24ab676SJeff Bonwick ztest_prealloc(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 2062b24ab676SJeff Bonwick { 2063b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 2064b24ab676SJeff Bonwick dmu_tx_t *tx; 2065b24ab676SJeff Bonwick uint64_t txg; 2066b24ab676SJeff Bonwick rl_t *rl; 2067b24ab676SJeff Bonwick 2068b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 2069b24ab676SJeff Bonwick 2070b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 2071b24ab676SJeff Bonwick rl = ztest_range_lock(zd, object, offset, size, RL_WRITER); 2072b24ab676SJeff Bonwick 2073b24ab676SJeff Bonwick tx = dmu_tx_create(os); 2074b24ab676SJeff Bonwick 2075b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, offset, size); 2076b24ab676SJeff Bonwick 2077b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 2078b24ab676SJeff Bonwick 2079b24ab676SJeff Bonwick if (txg != 0) { 2080b24ab676SJeff Bonwick dmu_prealloc(os, object, offset, size, tx); 2081b24ab676SJeff Bonwick dmu_tx_commit(tx); 2082b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 2083b24ab676SJeff Bonwick } else { 2084b24ab676SJeff Bonwick (void) dmu_free_long_range(os, object, offset, size); 2085b24ab676SJeff Bonwick } 2086b24ab676SJeff Bonwick 2087b24ab676SJeff Bonwick ztest_range_unlock(rl); 2088b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 2089b24ab676SJeff Bonwick } 2090b24ab676SJeff Bonwick 2091b24ab676SJeff Bonwick static void 2092b24ab676SJeff Bonwick ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t offset) 2093b24ab676SJeff Bonwick { 2094b24ab676SJeff Bonwick ztest_block_tag_t wbt; 2095b24ab676SJeff Bonwick dmu_object_info_t doi; 2096b24ab676SJeff Bonwick enum ztest_io_type io_type; 2097b24ab676SJeff Bonwick uint64_t blocksize; 2098b24ab676SJeff Bonwick void *data; 2099b24ab676SJeff Bonwick 2100b24ab676SJeff Bonwick VERIFY(dmu_object_info(zd->zd_os, object, &doi) == 0); 2101b24ab676SJeff Bonwick blocksize = doi.doi_data_block_size; 2102b24ab676SJeff Bonwick data = umem_alloc(blocksize, UMEM_NOFAIL); 2103b24ab676SJeff Bonwick 2104b24ab676SJeff Bonwick /* 2105b24ab676SJeff Bonwick * Pick an i/o type at random, biased toward writing block tags. 2106b24ab676SJeff Bonwick */ 2107b24ab676SJeff Bonwick io_type = ztest_random(ZTEST_IO_TYPES); 2108b24ab676SJeff Bonwick if (ztest_random(2) == 0) 2109b24ab676SJeff Bonwick io_type = ZTEST_IO_WRITE_TAG; 2110b24ab676SJeff Bonwick 2111c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2112c9ba2a43SEric Schrock 2113b24ab676SJeff Bonwick switch (io_type) { 2114b24ab676SJeff Bonwick 2115b24ab676SJeff Bonwick case ZTEST_IO_WRITE_TAG: 2116b24ab676SJeff Bonwick ztest_bt_generate(&wbt, zd->zd_os, object, offset, 0, 0, 0); 2117b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, sizeof (wbt), &wbt); 2118b24ab676SJeff Bonwick break; 2119b24ab676SJeff Bonwick 2120b24ab676SJeff Bonwick case ZTEST_IO_WRITE_PATTERN: 2121b24ab676SJeff Bonwick (void) memset(data, 'a' + (object + offset) % 5, blocksize); 2122b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 2123b24ab676SJeff Bonwick /* 2124b24ab676SJeff Bonwick * Induce fletcher2 collisions to ensure that 2125b24ab676SJeff Bonwick * zio_ddt_collision() detects and resolves them 2126b24ab676SJeff Bonwick * when using fletcher2-verify for deduplication. 2127b24ab676SJeff Bonwick */ 2128b24ab676SJeff Bonwick ((uint64_t *)data)[0] ^= 1ULL << 63; 2129b24ab676SJeff Bonwick ((uint64_t *)data)[4] ^= 1ULL << 63; 2130b24ab676SJeff Bonwick } 2131b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 2132b24ab676SJeff Bonwick break; 2133b24ab676SJeff Bonwick 2134b24ab676SJeff Bonwick case ZTEST_IO_WRITE_ZEROES: 2135b24ab676SJeff Bonwick bzero(data, blocksize); 2136b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 2137b24ab676SJeff Bonwick break; 2138b24ab676SJeff Bonwick 2139b24ab676SJeff Bonwick case ZTEST_IO_TRUNCATE: 2140b24ab676SJeff Bonwick (void) ztest_truncate(zd, object, offset, blocksize); 2141b24ab676SJeff Bonwick break; 2142b24ab676SJeff Bonwick 2143b24ab676SJeff Bonwick case ZTEST_IO_SETATTR: 2144b24ab676SJeff Bonwick (void) ztest_setattr(zd, object); 2145b24ab676SJeff Bonwick break; 2146b24ab676SJeff Bonwick } 2147b24ab676SJeff Bonwick 2148c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2149c9ba2a43SEric Schrock 2150b24ab676SJeff Bonwick umem_free(data, blocksize); 2151b24ab676SJeff Bonwick } 2152b24ab676SJeff Bonwick 2153b24ab676SJeff Bonwick /* 2154b24ab676SJeff Bonwick * Initialize an object description template. 2155b24ab676SJeff Bonwick */ 2156b24ab676SJeff Bonwick static void 2157b24ab676SJeff Bonwick ztest_od_init(ztest_od_t *od, uint64_t id, char *tag, uint64_t index, 2158b24ab676SJeff Bonwick dmu_object_type_t type, uint64_t blocksize, uint64_t gen) 2159b24ab676SJeff Bonwick { 2160b24ab676SJeff Bonwick od->od_dir = ZTEST_DIROBJ; 2161b24ab676SJeff Bonwick od->od_object = 0; 2162b24ab676SJeff Bonwick 2163b24ab676SJeff Bonwick od->od_crtype = type; 2164b24ab676SJeff Bonwick od->od_crblocksize = blocksize ? blocksize : ztest_random_blocksize(); 2165b24ab676SJeff Bonwick od->od_crgen = gen; 2166b24ab676SJeff Bonwick 2167b24ab676SJeff Bonwick od->od_type = DMU_OT_NONE; 2168b24ab676SJeff Bonwick od->od_blocksize = 0; 2169b24ab676SJeff Bonwick od->od_gen = 0; 2170b24ab676SJeff Bonwick 2171b24ab676SJeff Bonwick (void) snprintf(od->od_name, sizeof (od->od_name), "%s(%lld)[%llu]", 2172b24ab676SJeff Bonwick tag, (int64_t)id, index); 2173b24ab676SJeff Bonwick } 2174b24ab676SJeff Bonwick 2175b24ab676SJeff Bonwick /* 2176b24ab676SJeff Bonwick * Lookup or create the objects for a test using the od template. 2177b24ab676SJeff Bonwick * If the objects do not all exist, or if 'remove' is specified, 2178b24ab676SJeff Bonwick * remove any existing objects and create new ones. Otherwise, 2179b24ab676SJeff Bonwick * use the existing objects. 2180b24ab676SJeff Bonwick */ 2181b24ab676SJeff Bonwick static int 2182b24ab676SJeff Bonwick ztest_object_init(ztest_ds_t *zd, ztest_od_t *od, size_t size, boolean_t remove) 2183b24ab676SJeff Bonwick { 2184b24ab676SJeff Bonwick int count = size / sizeof (*od); 2185b24ab676SJeff Bonwick int rv = 0; 2186b24ab676SJeff Bonwick 2187b24ab676SJeff Bonwick VERIFY(mutex_lock(&zd->zd_dirobj_lock) == 0); 2188b24ab676SJeff Bonwick if ((ztest_lookup(zd, od, count) != 0 || remove) && 2189b24ab676SJeff Bonwick (ztest_remove(zd, od, count) != 0 || 2190b24ab676SJeff Bonwick ztest_create(zd, od, count) != 0)) 2191b24ab676SJeff Bonwick rv = -1; 2192b24ab676SJeff Bonwick zd->zd_od = od; 2193b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2194b24ab676SJeff Bonwick 2195b24ab676SJeff Bonwick return (rv); 2196b24ab676SJeff Bonwick } 2197b24ab676SJeff Bonwick 2198b24ab676SJeff Bonwick /* ARGSUSED */ 2199b24ab676SJeff Bonwick void 2200b24ab676SJeff Bonwick ztest_zil_commit(ztest_ds_t *zd, uint64_t id) 2201b24ab676SJeff Bonwick { 2202b24ab676SJeff Bonwick zilog_t *zilog = zd->zd_zilog; 2203b24ab676SJeff Bonwick 2204c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2205c9ba2a43SEric Schrock 22065002558fSNeil Perrin zil_commit(zilog, ztest_random(ZTEST_OBJECTS)); 2207b24ab676SJeff Bonwick 2208b24ab676SJeff Bonwick /* 2209b24ab676SJeff Bonwick * Remember the committed values in zd, which is in parent/child 2210b24ab676SJeff Bonwick * shared memory. If we die, the next iteration of ztest_run() 2211b24ab676SJeff Bonwick * will verify that the log really does contain this record. 2212b24ab676SJeff Bonwick */ 2213b24ab676SJeff Bonwick mutex_enter(&zilog->zl_lock); 2214420dfc95SChris Siden ASSERT(zd->zd_shared != NULL); 2215420dfc95SChris Siden ASSERT3U(zd->zd_shared->zd_seq, <=, zilog->zl_commit_lr_seq); 2216420dfc95SChris Siden zd->zd_shared->zd_seq = zilog->zl_commit_lr_seq; 2217b24ab676SJeff Bonwick mutex_exit(&zilog->zl_lock); 2218c9ba2a43SEric Schrock 2219c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2220c9ba2a43SEric Schrock } 2221c9ba2a43SEric Schrock 2222c9ba2a43SEric Schrock /* 2223c9ba2a43SEric Schrock * This function is designed to simulate the operations that occur during a 2224c9ba2a43SEric Schrock * mount/unmount operation. We hold the dataset across these operations in an 2225c9ba2a43SEric Schrock * attempt to expose any implicit assumptions about ZIL management. 2226c9ba2a43SEric Schrock */ 2227c9ba2a43SEric Schrock /* ARGSUSED */ 2228c9ba2a43SEric Schrock void 2229c9ba2a43SEric Schrock ztest_zil_remount(ztest_ds_t *zd, uint64_t id) 2230c9ba2a43SEric Schrock { 2231c9ba2a43SEric Schrock objset_t *os = zd->zd_os; 2232c9ba2a43SEric Schrock 2233ce636f8bSMatthew Ahrens VERIFY(mutex_lock(&zd->zd_dirobj_lock) == 0); 2234c9ba2a43SEric Schrock (void) rw_wrlock(&zd->zd_zilog_lock); 2235c9ba2a43SEric Schrock 2236c9ba2a43SEric Schrock /* zfsvfs_teardown() */ 2237c9ba2a43SEric Schrock zil_close(zd->zd_zilog); 2238c9ba2a43SEric Schrock 2239c9ba2a43SEric Schrock /* zfsvfs_setup() */ 2240c9ba2a43SEric Schrock VERIFY(zil_open(os, ztest_get_data) == zd->zd_zilog); 2241c9ba2a43SEric Schrock zil_replay(os, zd, ztest_replay_vector); 2242c9ba2a43SEric Schrock 2243c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2244ce636f8bSMatthew Ahrens VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2245b24ab676SJeff Bonwick } 2246b24ab676SJeff Bonwick 2247b24ab676SJeff Bonwick /* 2248b24ab676SJeff Bonwick * Verify that we can't destroy an active pool, create an existing pool, 2249b24ab676SJeff Bonwick * or create a pool with a bad vdev spec. 2250b24ab676SJeff Bonwick */ 2251b24ab676SJeff Bonwick /* ARGSUSED */ 2252b24ab676SJeff Bonwick void 2253b24ab676SJeff Bonwick ztest_spa_create_destroy(ztest_ds_t *zd, uint64_t id) 2254b24ab676SJeff Bonwick { 2255420dfc95SChris Siden ztest_shared_opts_t *zo = &ztest_opts; 2256b24ab676SJeff Bonwick spa_t *spa; 2257b24ab676SJeff Bonwick nvlist_t *nvroot; 2258b24ab676SJeff Bonwick 2259b24ab676SJeff Bonwick /* 2260b24ab676SJeff Bonwick * Attempt to create using a bad file. 2261b24ab676SJeff Bonwick */ 2262b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 2263b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 22644445fffbSMatthew Ahrens spa_create("ztest_bad_file", nvroot, NULL, NULL)); 2265b24ab676SJeff Bonwick nvlist_free(nvroot); 2266b24ab676SJeff Bonwick 2267b24ab676SJeff Bonwick /* 2268b24ab676SJeff Bonwick * Attempt to create using a bad mirror. 2269b24ab676SJeff Bonwick */ 2270b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 2, 1); 2271b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 22724445fffbSMatthew Ahrens spa_create("ztest_bad_mirror", nvroot, NULL, NULL)); 2273b24ab676SJeff Bonwick nvlist_free(nvroot); 2274b24ab676SJeff Bonwick 2275b24ab676SJeff Bonwick /* 2276b24ab676SJeff Bonwick * Attempt to create an existing pool. It shouldn't matter 2277b24ab676SJeff Bonwick * what's in the nvroot; we should fail with EEXIST. 2278b24ab676SJeff Bonwick */ 2279420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 2280b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 22814445fffbSMatthew Ahrens VERIFY3U(EEXIST, ==, spa_create(zo->zo_pool, nvroot, NULL, NULL)); 2282b24ab676SJeff Bonwick nvlist_free(nvroot); 2283b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(zo->zo_pool, &spa, FTAG)); 2284420dfc95SChris Siden VERIFY3U(EBUSY, ==, spa_destroy(zo->zo_pool)); 2285b24ab676SJeff Bonwick spa_close(spa, FTAG); 2286b24ab676SJeff Bonwick 2287420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 2288b24ab676SJeff Bonwick } 2289b24ab676SJeff Bonwick 2290b24ab676SJeff Bonwick static vdev_t * 2291b24ab676SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 2292b24ab676SJeff Bonwick { 2293b24ab676SJeff Bonwick vdev_t *mvd; 2294b24ab676SJeff Bonwick 2295b24ab676SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 2296b24ab676SJeff Bonwick return (vd); 2297b24ab676SJeff Bonwick 2298b24ab676SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 2299b24ab676SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 2300b24ab676SJeff Bonwick NULL) 2301b24ab676SJeff Bonwick return (mvd); 2302b24ab676SJeff Bonwick 2303b24ab676SJeff Bonwick return (NULL); 2304b24ab676SJeff Bonwick } 2305b24ab676SJeff Bonwick 2306b24ab676SJeff Bonwick /* 2307b24ab676SJeff Bonwick * Find the first available hole which can be used as a top-level. 2308b24ab676SJeff Bonwick */ 2309b24ab676SJeff Bonwick int 2310b24ab676SJeff Bonwick find_vdev_hole(spa_t *spa) 2311b24ab676SJeff Bonwick { 2312b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2313b24ab676SJeff Bonwick int c; 2314b24ab676SJeff Bonwick 2315b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_VDEV, RW_READER) == SCL_VDEV); 2316b24ab676SJeff Bonwick 2317b24ab676SJeff Bonwick for (c = 0; c < rvd->vdev_children; c++) { 2318b24ab676SJeff Bonwick vdev_t *cvd = rvd->vdev_child[c]; 2319b24ab676SJeff Bonwick 2320b24ab676SJeff Bonwick if (cvd->vdev_ishole) 2321b24ab676SJeff Bonwick break; 2322b24ab676SJeff Bonwick } 2323b24ab676SJeff Bonwick return (c); 2324b24ab676SJeff Bonwick } 2325b24ab676SJeff Bonwick 2326b24ab676SJeff Bonwick /* 2327b24ab676SJeff Bonwick * Verify that vdev_add() works as expected. 2328b24ab676SJeff Bonwick */ 2329b24ab676SJeff Bonwick /* ARGSUSED */ 2330b24ab676SJeff Bonwick void 2331b24ab676SJeff Bonwick ztest_vdev_add_remove(ztest_ds_t *zd, uint64_t id) 2332b24ab676SJeff Bonwick { 2333b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2334420dfc95SChris Siden spa_t *spa = ztest_spa; 23351195e687SMark J Musante uint64_t leaves; 2336b24ab676SJeff Bonwick uint64_t guid; 2337b24ab676SJeff Bonwick nvlist_t *nvroot; 2338b24ab676SJeff Bonwick int error; 2339b24ab676SJeff Bonwick 2340420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2341420dfc95SChris Siden leaves = 2342420dfc95SChris Siden MAX(zs->zs_mirrors + zs->zs_splits, 1) * ztest_opts.zo_raidz; 2343b24ab676SJeff Bonwick 2344b24ab676SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2345b24ab676SJeff Bonwick 2346b24ab676SJeff Bonwick ztest_shared->zs_vdev_next_leaf = find_vdev_hole(spa) * leaves; 2347b24ab676SJeff Bonwick 2348b24ab676SJeff Bonwick /* 2349b24ab676SJeff Bonwick * If we have slogs then remove them 1/4 of the time. 2350b24ab676SJeff Bonwick */ 235188ecc943SGeorge Wilson if (spa_has_slogs(spa) && ztest_random(4) == 0) { 235288ecc943SGeorge Wilson /* 235388ecc943SGeorge Wilson * Grab the guid from the head of the log class rotor. 235488ecc943SGeorge Wilson */ 2355b24ab676SJeff Bonwick guid = spa_log_class(spa)->mc_rotor->mg_vd->vdev_guid; 23568654d025Sperrin 235788ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 2358fa9e4066Sahrens 235988ecc943SGeorge Wilson /* 236088ecc943SGeorge Wilson * We have to grab the zs_name_lock as writer to 236188ecc943SGeorge Wilson * prevent a race between removing a slog (dmu_objset_find) 236288ecc943SGeorge Wilson * and destroying a dataset. Removing the slog will 236388ecc943SGeorge Wilson * grab a reference on the dataset which may cause 236488ecc943SGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 236588ecc943SGeorge Wilson * leaving the dataset in an inconsistent state. 236688ecc943SGeorge Wilson */ 2367420dfc95SChris Siden VERIFY(rw_wrlock(&ztest_name_lock) == 0); 236888ecc943SGeorge Wilson error = spa_vdev_remove(spa, guid, B_FALSE); 2369420dfc95SChris Siden VERIFY(rw_unlock(&ztest_name_lock) == 0); 2370fa9e4066Sahrens 237188ecc943SGeorge Wilson if (error && error != EEXIST) 237288ecc943SGeorge Wilson fatal(0, "spa_vdev_remove() = %d", error); 237388ecc943SGeorge Wilson } else { 237488ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 237588ecc943SGeorge Wilson 237688ecc943SGeorge Wilson /* 237788ecc943SGeorge Wilson * Make 1/4 of the devices be log devices. 237888ecc943SGeorge Wilson */ 2379420dfc95SChris Siden nvroot = make_vdev_root(NULL, NULL, 2380420dfc95SChris Siden ztest_opts.zo_vdev_size, 0, 2381420dfc95SChris Siden ztest_random(4) == 0, ztest_opts.zo_raidz, 2382420dfc95SChris Siden zs->zs_mirrors, 1); 238388ecc943SGeorge Wilson 238488ecc943SGeorge Wilson error = spa_vdev_add(spa, nvroot); 238588ecc943SGeorge Wilson nvlist_free(nvroot); 238688ecc943SGeorge Wilson 238788ecc943SGeorge Wilson if (error == ENOSPC) 238888ecc943SGeorge Wilson ztest_record_enospc("spa_vdev_add"); 238988ecc943SGeorge Wilson else if (error != 0) 239088ecc943SGeorge Wilson fatal(0, "spa_vdev_add() = %d", error); 239188ecc943SGeorge Wilson } 239288ecc943SGeorge Wilson 2393420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2394e14bb325SJeff Bonwick } 2395fa9e4066Sahrens 2396e14bb325SJeff Bonwick /* 2397e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 2398e14bb325SJeff Bonwick */ 2399b24ab676SJeff Bonwick /* ARGSUSED */ 2400e14bb325SJeff Bonwick void 2401b24ab676SJeff Bonwick ztest_vdev_aux_add_remove(ztest_ds_t *zd, uint64_t id) 2402e14bb325SJeff Bonwick { 2403b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2404420dfc95SChris Siden spa_t *spa = ztest_spa; 240531157203SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2406e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 2407e14bb325SJeff Bonwick char *aux; 2408e14bb325SJeff Bonwick uint64_t guid = 0; 2409e14bb325SJeff Bonwick int error; 2410e14bb325SJeff Bonwick 241131157203SJeff Bonwick if (ztest_random(2) == 0) { 2412e14bb325SJeff Bonwick sav = &spa->spa_spares; 2413e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 2414e14bb325SJeff Bonwick } else { 2415e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 2416e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 2417e14bb325SJeff Bonwick } 2418e14bb325SJeff Bonwick 2419420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2420e14bb325SJeff Bonwick 2421e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2422e14bb325SJeff Bonwick 2423e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 2424e14bb325SJeff Bonwick /* 2425e14bb325SJeff Bonwick * Pick a random device to remove. 2426e14bb325SJeff Bonwick */ 2427e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 2428e14bb325SJeff Bonwick } else { 2429e14bb325SJeff Bonwick /* 2430e14bb325SJeff Bonwick * Find an unused device we can add. 2431e14bb325SJeff Bonwick */ 2432b24ab676SJeff Bonwick zs->zs_vdev_aux = 0; 2433e14bb325SJeff Bonwick for (;;) { 2434e14bb325SJeff Bonwick char path[MAXPATHLEN]; 2435e14bb325SJeff Bonwick int c; 2436420dfc95SChris Siden (void) snprintf(path, sizeof (path), ztest_aux_template, 2437420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, aux, 2438420dfc95SChris Siden zs->zs_vdev_aux); 2439e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 2440e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 2441e14bb325SJeff Bonwick path) == 0) 2442e14bb325SJeff Bonwick break; 244331157203SJeff Bonwick if (c == sav->sav_count && 244431157203SJeff Bonwick vdev_lookup_by_path(rvd, path) == NULL) 2445e14bb325SJeff Bonwick break; 2446b24ab676SJeff Bonwick zs->zs_vdev_aux++; 2447e14bb325SJeff Bonwick } 2448e14bb325SJeff Bonwick } 2449e14bb325SJeff Bonwick 2450e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2451e14bb325SJeff Bonwick 2452e14bb325SJeff Bonwick if (guid == 0) { 2453e14bb325SJeff Bonwick /* 2454e14bb325SJeff Bonwick * Add a new device. 2455e14bb325SJeff Bonwick */ 245631157203SJeff Bonwick nvlist_t *nvroot = make_vdev_root(NULL, aux, 2457420dfc95SChris Siden (ztest_opts.zo_vdev_size * 5) / 4, 0, 0, 0, 0, 1); 2458e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 2459e14bb325SJeff Bonwick if (error != 0) 2460e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 2461e14bb325SJeff Bonwick nvlist_free(nvroot); 2462e14bb325SJeff Bonwick } else { 2463e14bb325SJeff Bonwick /* 2464e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 2465e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 2466e14bb325SJeff Bonwick * of devices that have pending state changes. 2467e14bb325SJeff Bonwick */ 2468e14bb325SJeff Bonwick if (ztest_random(2) == 0) 2469573ca77eSGeorge Wilson (void) vdev_online(spa, guid, 0, NULL); 2470e14bb325SJeff Bonwick 2471e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 2472e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 2473e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 2474e14bb325SJeff Bonwick } 2475e14bb325SJeff Bonwick 2476420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2477fa9e4066Sahrens } 2478fa9e4066Sahrens 24791195e687SMark J Musante /* 24801195e687SMark J Musante * split a pool if it has mirror tlvdevs 24811195e687SMark J Musante */ 24821195e687SMark J Musante /* ARGSUSED */ 24831195e687SMark J Musante void 24841195e687SMark J Musante ztest_split_pool(ztest_ds_t *zd, uint64_t id) 24851195e687SMark J Musante { 24861195e687SMark J Musante ztest_shared_t *zs = ztest_shared; 2487420dfc95SChris Siden spa_t *spa = ztest_spa; 24881195e687SMark J Musante vdev_t *rvd = spa->spa_root_vdev; 24891195e687SMark J Musante nvlist_t *tree, **child, *config, *split, **schild; 24901195e687SMark J Musante uint_t c, children, schildren = 0, lastlogid = 0; 24911195e687SMark J Musante int error = 0; 24921195e687SMark J Musante 2493420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 24941195e687SMark J Musante 24951195e687SMark J Musante /* ensure we have a useable config; mirrors of raidz aren't supported */ 2496420dfc95SChris Siden if (zs->zs_mirrors < 3 || ztest_opts.zo_raidz > 1) { 2497420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 24981195e687SMark J Musante return; 24991195e687SMark J Musante } 25001195e687SMark J Musante 25011195e687SMark J Musante /* clean up the old pool, if any */ 25021195e687SMark J Musante (void) spa_destroy("splitp"); 25031195e687SMark J Musante 25041195e687SMark J Musante spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 25051195e687SMark J Musante 25061195e687SMark J Musante /* generate a config from the existing config */ 250798295d61SMark J Musante mutex_enter(&spa->spa_props_lock); 25081195e687SMark J Musante VERIFY(nvlist_lookup_nvlist(spa->spa_config, ZPOOL_CONFIG_VDEV_TREE, 25091195e687SMark J Musante &tree) == 0); 251098295d61SMark J Musante mutex_exit(&spa->spa_props_lock); 251198295d61SMark J Musante 25121195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, 25131195e687SMark J Musante &children) == 0); 25141195e687SMark J Musante 25151195e687SMark J Musante schild = malloc(rvd->vdev_children * sizeof (nvlist_t *)); 25161195e687SMark J Musante for (c = 0; c < children; c++) { 25171195e687SMark J Musante vdev_t *tvd = rvd->vdev_child[c]; 25181195e687SMark J Musante nvlist_t **mchild; 25191195e687SMark J Musante uint_t mchildren; 25201195e687SMark J Musante 25211195e687SMark J Musante if (tvd->vdev_islog || tvd->vdev_ops == &vdev_hole_ops) { 25221195e687SMark J Musante VERIFY(nvlist_alloc(&schild[schildren], NV_UNIQUE_NAME, 25231195e687SMark J Musante 0) == 0); 25241195e687SMark J Musante VERIFY(nvlist_add_string(schild[schildren], 25251195e687SMark J Musante ZPOOL_CONFIG_TYPE, VDEV_TYPE_HOLE) == 0); 25261195e687SMark J Musante VERIFY(nvlist_add_uint64(schild[schildren], 25271195e687SMark J Musante ZPOOL_CONFIG_IS_HOLE, 1) == 0); 25281195e687SMark J Musante if (lastlogid == 0) 25291195e687SMark J Musante lastlogid = schildren; 25301195e687SMark J Musante ++schildren; 25311195e687SMark J Musante continue; 25321195e687SMark J Musante } 25331195e687SMark J Musante lastlogid = 0; 25341195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(child[c], 25351195e687SMark J Musante ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); 25361195e687SMark J Musante VERIFY(nvlist_dup(mchild[0], &schild[schildren++], 0) == 0); 25371195e687SMark J Musante } 25381195e687SMark J Musante 25391195e687SMark J Musante /* OK, create a config that can be used to split */ 25401195e687SMark J Musante VERIFY(nvlist_alloc(&split, NV_UNIQUE_NAME, 0) == 0); 25411195e687SMark J Musante VERIFY(nvlist_add_string(split, ZPOOL_CONFIG_TYPE, 25421195e687SMark J Musante VDEV_TYPE_ROOT) == 0); 25431195e687SMark J Musante VERIFY(nvlist_add_nvlist_array(split, ZPOOL_CONFIG_CHILDREN, schild, 25441195e687SMark J Musante lastlogid != 0 ? lastlogid : schildren) == 0); 25451195e687SMark J Musante 25461195e687SMark J Musante VERIFY(nvlist_alloc(&config, NV_UNIQUE_NAME, 0) == 0); 25471195e687SMark J Musante VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, split) == 0); 25481195e687SMark J Musante 25491195e687SMark J Musante for (c = 0; c < schildren; c++) 25501195e687SMark J Musante nvlist_free(schild[c]); 25511195e687SMark J Musante free(schild); 25521195e687SMark J Musante nvlist_free(split); 25531195e687SMark J Musante 25541195e687SMark J Musante spa_config_exit(spa, SCL_VDEV, FTAG); 25551195e687SMark J Musante 2556420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 25571195e687SMark J Musante error = spa_vdev_split_mirror(spa, "splitp", config, NULL, B_FALSE); 2558420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 25591195e687SMark J Musante 25601195e687SMark J Musante nvlist_free(config); 25611195e687SMark J Musante 25621195e687SMark J Musante if (error == 0) { 25631195e687SMark J Musante (void) printf("successful split - results:\n"); 25641195e687SMark J Musante mutex_enter(&spa_namespace_lock); 25651195e687SMark J Musante show_pool_stats(spa); 25661195e687SMark J Musante show_pool_stats(spa_lookup("splitp")); 25671195e687SMark J Musante mutex_exit(&spa_namespace_lock); 25681195e687SMark J Musante ++zs->zs_splits; 25691195e687SMark J Musante --zs->zs_mirrors; 25701195e687SMark J Musante } 2571420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 25721195e687SMark J Musante 25731195e687SMark J Musante } 25741195e687SMark J Musante 2575fa9e4066Sahrens /* 2576fa9e4066Sahrens * Verify that we can attach and detach devices. 2577fa9e4066Sahrens */ 2578b24ab676SJeff Bonwick /* ARGSUSED */ 2579fa9e4066Sahrens void 2580b24ab676SJeff Bonwick ztest_vdev_attach_detach(ztest_ds_t *zd, uint64_t id) 2581fa9e4066Sahrens { 2582b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2583420dfc95SChris Siden spa_t *spa = ztest_spa; 258431157203SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_spares; 2585fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 2586ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 2587e14bb325SJeff Bonwick nvlist_t *root; 25881195e687SMark J Musante uint64_t leaves; 2589fa9e4066Sahrens uint64_t leaf, top; 2590ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 25918ad4d6ddSJeff Bonwick uint64_t oldguid, pguid; 2592ea8dc4b6Seschrock size_t oldsize, newsize; 2593ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 2594fa9e4066Sahrens int replacing; 25959af0a4dfSJeff Bonwick int oldvd_has_siblings = B_FALSE; 259631157203SJeff Bonwick int newvd_is_spare = B_FALSE; 259731157203SJeff Bonwick int oldvd_is_log; 2598fa9e4066Sahrens int error, expected_error; 2599fa9e4066Sahrens 2600420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2601420dfc95SChris Siden leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz; 2602fa9e4066Sahrens 2603e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2604fa9e4066Sahrens 2605fa9e4066Sahrens /* 2606fa9e4066Sahrens * Decide whether to do an attach or a replace. 2607fa9e4066Sahrens */ 2608fa9e4066Sahrens replacing = ztest_random(2); 2609fa9e4066Sahrens 2610fa9e4066Sahrens /* 2611fa9e4066Sahrens * Pick a random top-level vdev. 2612fa9e4066Sahrens */ 2613b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2614fa9e4066Sahrens 2615fa9e4066Sahrens /* 2616fa9e4066Sahrens * Pick a random leaf within it. 2617fa9e4066Sahrens */ 2618d41c4376SMark J Musante leaf = ztest_random(leaves); 2619fa9e4066Sahrens 2620fa9e4066Sahrens /* 262131157203SJeff Bonwick * Locate this vdev. 2622fa9e4066Sahrens */ 262331157203SJeff Bonwick oldvd = rvd->vdev_child[top]; 26241195e687SMark J Musante if (zs->zs_mirrors >= 1) { 26258ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_mirror_ops); 26261195e687SMark J Musante ASSERT(oldvd->vdev_children >= zs->zs_mirrors); 2627420dfc95SChris Siden oldvd = oldvd->vdev_child[leaf / ztest_opts.zo_raidz]; 26288ad4d6ddSJeff Bonwick } 2629420dfc95SChris Siden if (ztest_opts.zo_raidz > 1) { 26308ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_raidz_ops); 2631420dfc95SChris Siden ASSERT(oldvd->vdev_children == ztest_opts.zo_raidz); 2632420dfc95SChris Siden oldvd = oldvd->vdev_child[leaf % ztest_opts.zo_raidz]; 26338ad4d6ddSJeff Bonwick } 2634fa9e4066Sahrens 2635fa9e4066Sahrens /* 263631157203SJeff Bonwick * If we're already doing an attach or replace, oldvd may be a 263731157203SJeff Bonwick * mirror vdev -- in which case, pick a random child. 2638fa9e4066Sahrens */ 263931157203SJeff Bonwick while (oldvd->vdev_children != 0) { 26409af0a4dfSJeff Bonwick oldvd_has_siblings = B_TRUE; 26418ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= 2); 26428ad4d6ddSJeff Bonwick oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)]; 264331157203SJeff Bonwick } 2644fa9e4066Sahrens 264531157203SJeff Bonwick oldguid = oldvd->vdev_guid; 2646573ca77eSGeorge Wilson oldsize = vdev_get_min_asize(oldvd); 264731157203SJeff Bonwick oldvd_is_log = oldvd->vdev_top->vdev_islog; 264831157203SJeff Bonwick (void) strcpy(oldpath, oldvd->vdev_path); 2649ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 26508ad4d6ddSJeff Bonwick pguid = pvd->vdev_guid; 2651fa9e4066Sahrens 26529af0a4dfSJeff Bonwick /* 26539af0a4dfSJeff Bonwick * If oldvd has siblings, then half of the time, detach it. 26549af0a4dfSJeff Bonwick */ 26559af0a4dfSJeff Bonwick if (oldvd_has_siblings && ztest_random(2) == 0) { 26569af0a4dfSJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 26578ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, oldguid, pguid, B_FALSE); 26588ad4d6ddSJeff Bonwick if (error != 0 && error != ENODEV && error != EBUSY && 26598ad4d6ddSJeff Bonwick error != ENOTSUP) 26608ad4d6ddSJeff Bonwick fatal(0, "detach (%s) returned %d", oldpath, error); 2661420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 26629af0a4dfSJeff Bonwick return; 26639af0a4dfSJeff Bonwick } 26649af0a4dfSJeff Bonwick 2665fa9e4066Sahrens /* 266631157203SJeff Bonwick * For the new vdev, choose with equal probability between the two 266731157203SJeff Bonwick * standard paths (ending in either 'a' or 'b') or a random hot spare. 2668fa9e4066Sahrens */ 266931157203SJeff Bonwick if (sav->sav_count != 0 && ztest_random(3) == 0) { 267031157203SJeff Bonwick newvd = sav->sav_vdevs[ztest_random(sav->sav_count)]; 267131157203SJeff Bonwick newvd_is_spare = B_TRUE; 267231157203SJeff Bonwick (void) strcpy(newpath, newvd->vdev_path); 267331157203SJeff Bonwick } else { 267431157203SJeff Bonwick (void) snprintf(newpath, sizeof (newpath), ztest_dev_template, 2675420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 2676420dfc95SChris Siden top * leaves + leaf); 267731157203SJeff Bonwick if (ztest_random(2) == 0) 267831157203SJeff Bonwick newpath[strlen(newpath) - 1] = 'b'; 267931157203SJeff Bonwick newvd = vdev_lookup_by_path(rvd, newpath); 268031157203SJeff Bonwick } 268131157203SJeff Bonwick 268231157203SJeff Bonwick if (newvd) { 2683573ca77eSGeorge Wilson newsize = vdev_get_min_asize(newvd); 268431157203SJeff Bonwick } else { 268531157203SJeff Bonwick /* 268631157203SJeff Bonwick * Make newsize a little bigger or smaller than oldsize. 268731157203SJeff Bonwick * If it's smaller, the attach should fail. 268831157203SJeff Bonwick * If it's larger, and we're doing a replace, 268931157203SJeff Bonwick * we should get dynamic LUN growth when we're done. 269031157203SJeff Bonwick */ 269131157203SJeff Bonwick newsize = 10 * oldsize / (9 + ztest_random(3)); 269231157203SJeff Bonwick } 2693fa9e4066Sahrens 2694fa9e4066Sahrens /* 2695fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 2696fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 2697fa9e4066Sahrens * 2698ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 2699fa9e4066Sahrens * 2700ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 2701fa9e4066Sahrens */ 270231157203SJeff Bonwick if (pvd->vdev_ops != &vdev_mirror_ops && 270331157203SJeff Bonwick pvd->vdev_ops != &vdev_root_ops && (!replacing || 270431157203SJeff Bonwick pvd->vdev_ops == &vdev_replacing_ops || 270531157203SJeff Bonwick pvd->vdev_ops == &vdev_spare_ops)) 270631157203SJeff Bonwick expected_error = ENOTSUP; 270731157203SJeff Bonwick else if (newvd_is_spare && (!replacing || oldvd_is_log)) 2708fa9e4066Sahrens expected_error = ENOTSUP; 270931157203SJeff Bonwick else if (newvd == oldvd) 271031157203SJeff Bonwick expected_error = replacing ? 0 : EBUSY; 271131157203SJeff Bonwick else if (vdev_lookup_by_path(rvd, newpath) != NULL) 271231157203SJeff Bonwick expected_error = EBUSY; 2713ea8dc4b6Seschrock else if (newsize < oldsize) 2714fa9e4066Sahrens expected_error = EOVERFLOW; 2715ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 2716ecc2d604Sbonwick expected_error = EDOM; 2717fa9e4066Sahrens else 2718fa9e4066Sahrens expected_error = 0; 2719fa9e4066Sahrens 2720e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2721fa9e4066Sahrens 2722fa9e4066Sahrens /* 2723ea8dc4b6Seschrock * Build the nvlist describing newpath. 2724fa9e4066Sahrens */ 2725e14bb325SJeff Bonwick root = make_vdev_root(newpath, NULL, newvd == NULL ? newsize : 0, 2726e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 2727fa9e4066Sahrens 272831157203SJeff Bonwick error = spa_vdev_attach(spa, oldguid, root, replacing); 2729fa9e4066Sahrens 2730fa9e4066Sahrens nvlist_free(root); 2731fa9e4066Sahrens 2732fa9e4066Sahrens /* 2733fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 2734fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 2735fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 2736fa9e4066Sahrens */ 2737fa9e4066Sahrens if (expected_error == ENOTSUP && 2738fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 2739fa9e4066Sahrens expected_error = error; 2740fa9e4066Sahrens 2741f0aa80d4Sbonwick /* 2742f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 2743f0aa80d4Sbonwick */ 2744088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 2745f0aa80d4Sbonwick expected_error = error; 2746f0aa80d4Sbonwick 2747088f3894Sahrens /* XXX workaround 6690467 */ 2748088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 2749088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 2750088f3894Sahrens "returned %d, expected %d", 2751088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 2752088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 2753fa9e4066Sahrens } 2754fa9e4066Sahrens 2755420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2756fa9e4066Sahrens } 2757fa9e4066Sahrens 2758573ca77eSGeorge Wilson /* 2759573ca77eSGeorge Wilson * Callback function which expands the physical size of the vdev. 2760573ca77eSGeorge Wilson */ 2761573ca77eSGeorge Wilson vdev_t * 2762573ca77eSGeorge Wilson grow_vdev(vdev_t *vd, void *arg) 2763573ca77eSGeorge Wilson { 2764573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2765573ca77eSGeorge Wilson size_t *newsize = arg; 2766573ca77eSGeorge Wilson size_t fsize; 2767573ca77eSGeorge Wilson int fd; 2768573ca77eSGeorge Wilson 2769573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2770573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2771573ca77eSGeorge Wilson 2772573ca77eSGeorge Wilson if ((fd = open(vd->vdev_path, O_RDWR)) == -1) 2773573ca77eSGeorge Wilson return (vd); 2774573ca77eSGeorge Wilson 2775573ca77eSGeorge Wilson fsize = lseek(fd, 0, SEEK_END); 2776573ca77eSGeorge Wilson (void) ftruncate(fd, *newsize); 2777573ca77eSGeorge Wilson 2778420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 2779573ca77eSGeorge Wilson (void) printf("%s grew from %lu to %lu bytes\n", 2780573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)fsize, (ulong_t)*newsize); 2781573ca77eSGeorge Wilson } 2782573ca77eSGeorge Wilson (void) close(fd); 2783573ca77eSGeorge Wilson return (NULL); 2784573ca77eSGeorge Wilson } 2785573ca77eSGeorge Wilson 2786573ca77eSGeorge Wilson /* 2787573ca77eSGeorge Wilson * Callback function which expands a given vdev by calling vdev_online(). 2788573ca77eSGeorge Wilson */ 2789573ca77eSGeorge Wilson /* ARGSUSED */ 2790573ca77eSGeorge Wilson vdev_t * 2791573ca77eSGeorge Wilson online_vdev(vdev_t *vd, void *arg) 2792573ca77eSGeorge Wilson { 2793573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2794573ca77eSGeorge Wilson vdev_t *tvd = vd->vdev_top; 2795573ca77eSGeorge Wilson uint64_t guid = vd->vdev_guid; 27968f18d1faSGeorge Wilson uint64_t generation = spa->spa_config_generation + 1; 2797095bcd66SGeorge Wilson vdev_state_t newstate = VDEV_STATE_UNKNOWN; 2798095bcd66SGeorge Wilson int error; 2799573ca77eSGeorge Wilson 2800573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2801573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2802573ca77eSGeorge Wilson 2803573ca77eSGeorge Wilson /* Calling vdev_online will initialize the new metaslabs */ 2804573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2805095bcd66SGeorge Wilson error = vdev_online(spa, guid, ZFS_ONLINE_EXPAND, &newstate); 2806573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2807573ca77eSGeorge Wilson 2808095bcd66SGeorge Wilson /* 2809095bcd66SGeorge Wilson * If vdev_online returned an error or the underlying vdev_open 2810095bcd66SGeorge Wilson * failed then we abort the expand. The only way to know that 2811095bcd66SGeorge Wilson * vdev_open fails is by checking the returned newstate. 2812095bcd66SGeorge Wilson */ 2813095bcd66SGeorge Wilson if (error || newstate != VDEV_STATE_HEALTHY) { 2814420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 2815095bcd66SGeorge Wilson (void) printf("Unable to expand vdev, state %llu, " 2816095bcd66SGeorge Wilson "error %d\n", (u_longlong_t)newstate, error); 2817095bcd66SGeorge Wilson } 2818095bcd66SGeorge Wilson return (vd); 2819095bcd66SGeorge Wilson } 2820095bcd66SGeorge Wilson ASSERT3U(newstate, ==, VDEV_STATE_HEALTHY); 2821095bcd66SGeorge Wilson 2822573ca77eSGeorge Wilson /* 2823573ca77eSGeorge Wilson * Since we dropped the lock we need to ensure that we're 2824573ca77eSGeorge Wilson * still talking to the original vdev. It's possible this 2825573ca77eSGeorge Wilson * vdev may have been detached/replaced while we were 2826573ca77eSGeorge Wilson * trying to online it. 2827573ca77eSGeorge Wilson */ 28288f18d1faSGeorge Wilson if (generation != spa->spa_config_generation) { 2829420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 28308f18d1faSGeorge Wilson (void) printf("vdev configuration has changed, " 28318f18d1faSGeorge Wilson "guid %llu, state %llu, expected gen %llu, " 2832b24ab676SJeff Bonwick "got gen %llu\n", 2833b24ab676SJeff Bonwick (u_longlong_t)guid, 28348f18d1faSGeorge Wilson (u_longlong_t)tvd->vdev_state, 28358f18d1faSGeorge Wilson (u_longlong_t)generation, 28368f18d1faSGeorge Wilson (u_longlong_t)spa->spa_config_generation); 2837573ca77eSGeorge Wilson } 2838573ca77eSGeorge Wilson return (vd); 2839573ca77eSGeorge Wilson } 2840573ca77eSGeorge Wilson return (NULL); 2841573ca77eSGeorge Wilson } 2842573ca77eSGeorge Wilson 2843573ca77eSGeorge Wilson /* 2844573ca77eSGeorge Wilson * Traverse the vdev tree calling the supplied function. 2845573ca77eSGeorge Wilson * We continue to walk the tree until we either have walked all 2846573ca77eSGeorge Wilson * children or we receive a non-NULL return from the callback. 2847573ca77eSGeorge Wilson * If a NULL callback is passed, then we just return back the first 2848573ca77eSGeorge Wilson * leaf vdev we encounter. 2849573ca77eSGeorge Wilson */ 2850573ca77eSGeorge Wilson vdev_t * 2851573ca77eSGeorge Wilson vdev_walk_tree(vdev_t *vd, vdev_t *(*func)(vdev_t *, void *), void *arg) 2852573ca77eSGeorge Wilson { 2853573ca77eSGeorge Wilson if (vd->vdev_ops->vdev_op_leaf) { 2854573ca77eSGeorge Wilson if (func == NULL) 2855573ca77eSGeorge Wilson return (vd); 2856573ca77eSGeorge Wilson else 2857573ca77eSGeorge Wilson return (func(vd, arg)); 2858573ca77eSGeorge Wilson } 2859573ca77eSGeorge Wilson 2860573ca77eSGeorge Wilson for (uint_t c = 0; c < vd->vdev_children; c++) { 2861573ca77eSGeorge Wilson vdev_t *cvd = vd->vdev_child[c]; 2862573ca77eSGeorge Wilson if ((cvd = vdev_walk_tree(cvd, func, arg)) != NULL) 2863573ca77eSGeorge Wilson return (cvd); 2864573ca77eSGeorge Wilson } 2865573ca77eSGeorge Wilson return (NULL); 2866573ca77eSGeorge Wilson } 2867573ca77eSGeorge Wilson 2868fa9e4066Sahrens /* 2869fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 2870fa9e4066Sahrens */ 2871b24ab676SJeff Bonwick /* ARGSUSED */ 2872fa9e4066Sahrens void 2873b24ab676SJeff Bonwick ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id) 2874fa9e4066Sahrens { 2875420dfc95SChris Siden spa_t *spa = ztest_spa; 2876b24ab676SJeff Bonwick vdev_t *vd, *tvd; 2877b24ab676SJeff Bonwick metaslab_class_t *mc; 2878b24ab676SJeff Bonwick metaslab_group_t *mg; 2879573ca77eSGeorge Wilson size_t psize, newsize; 2880b24ab676SJeff Bonwick uint64_t top; 2881b24ab676SJeff Bonwick uint64_t old_class_space, new_class_space, old_ms_count, new_ms_count; 2882fa9e4066Sahrens 2883420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2884573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2885573ca77eSGeorge Wilson 2886b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2887573ca77eSGeorge Wilson 2888b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 2889b24ab676SJeff Bonwick mg = tvd->vdev_mg; 2890b24ab676SJeff Bonwick mc = mg->mg_class; 2891b24ab676SJeff Bonwick old_ms_count = tvd->vdev_ms_count; 2892b24ab676SJeff Bonwick old_class_space = metaslab_class_get_space(mc); 2893fa9e4066Sahrens 2894fa9e4066Sahrens /* 2895573ca77eSGeorge Wilson * Determine the size of the first leaf vdev associated with 2896573ca77eSGeorge Wilson * our top-level device. 2897fa9e4066Sahrens */ 2898573ca77eSGeorge Wilson vd = vdev_walk_tree(tvd, NULL, NULL); 2899573ca77eSGeorge Wilson ASSERT3P(vd, !=, NULL); 2900573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2901fa9e4066Sahrens 2902573ca77eSGeorge Wilson psize = vd->vdev_psize; 2903fa9e4066Sahrens 2904573ca77eSGeorge Wilson /* 29058f18d1faSGeorge Wilson * We only try to expand the vdev if it's healthy, less than 4x its 29068f18d1faSGeorge Wilson * original size, and it has a valid psize. 2907573ca77eSGeorge Wilson */ 29088f18d1faSGeorge Wilson if (tvd->vdev_state != VDEV_STATE_HEALTHY || 2909420dfc95SChris Siden psize == 0 || psize >= 4 * ztest_opts.zo_vdev_size) { 2910573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2911420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2912573ca77eSGeorge Wilson return; 2913573ca77eSGeorge Wilson } 2914573ca77eSGeorge Wilson ASSERT(psize > 0); 2915573ca77eSGeorge Wilson newsize = psize + psize / 8; 2916573ca77eSGeorge Wilson ASSERT3U(newsize, >, psize); 2917fa9e4066Sahrens 2918420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 2919b24ab676SJeff Bonwick (void) printf("Expanding LUN %s from %lu to %lu\n", 2920573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)psize, (ulong_t)newsize); 2921573ca77eSGeorge Wilson } 2922573ca77eSGeorge Wilson 2923573ca77eSGeorge Wilson /* 2924573ca77eSGeorge Wilson * Growing the vdev is a two step process: 2925573ca77eSGeorge Wilson * 1). expand the physical size (i.e. relabel) 2926573ca77eSGeorge Wilson * 2). online the vdev to create the new metaslabs 2927573ca77eSGeorge Wilson */ 2928573ca77eSGeorge Wilson if (vdev_walk_tree(tvd, grow_vdev, &newsize) != NULL || 2929573ca77eSGeorge Wilson vdev_walk_tree(tvd, online_vdev, NULL) != NULL || 2930573ca77eSGeorge Wilson tvd->vdev_state != VDEV_STATE_HEALTHY) { 2931420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 2932b24ab676SJeff Bonwick (void) printf("Could not expand LUN because " 2933b24ab676SJeff Bonwick "the vdev configuration changed.\n"); 2934b24ab676SJeff Bonwick } 2935b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2936420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2937b24ab676SJeff Bonwick return; 2938b24ab676SJeff Bonwick } 2939b24ab676SJeff Bonwick 2940b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2941b24ab676SJeff Bonwick 2942b24ab676SJeff Bonwick /* 2943b24ab676SJeff Bonwick * Expanding the LUN will update the config asynchronously, 2944b24ab676SJeff Bonwick * thus we must wait for the async thread to complete any 2945b24ab676SJeff Bonwick * pending tasks before proceeding. 2946b24ab676SJeff Bonwick */ 2947b24ab676SJeff Bonwick for (;;) { 2948b24ab676SJeff Bonwick boolean_t done; 2949b24ab676SJeff Bonwick mutex_enter(&spa->spa_async_lock); 2950b24ab676SJeff Bonwick done = (spa->spa_async_thread == NULL && !spa->spa_async_tasks); 2951b24ab676SJeff Bonwick mutex_exit(&spa->spa_async_lock); 2952b24ab676SJeff Bonwick if (done) 2953b24ab676SJeff Bonwick break; 2954b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 2955b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 2956b24ab676SJeff Bonwick } 2957b24ab676SJeff Bonwick 2958b24ab676SJeff Bonwick spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2959b24ab676SJeff Bonwick 2960b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 2961b24ab676SJeff Bonwick new_ms_count = tvd->vdev_ms_count; 2962b24ab676SJeff Bonwick new_class_space = metaslab_class_get_space(mc); 2963b24ab676SJeff Bonwick 2964b24ab676SJeff Bonwick if (tvd->vdev_mg != mg || mg->mg_class != mc) { 2965420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 2966b24ab676SJeff Bonwick (void) printf("Could not verify LUN expansion due to " 2967b24ab676SJeff Bonwick "intervening vdev offline or remove.\n"); 2968fa9e4066Sahrens } 2969b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2970420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2971573ca77eSGeorge Wilson return; 2972fa9e4066Sahrens } 2973fa9e4066Sahrens 2974573ca77eSGeorge Wilson /* 2975b24ab676SJeff Bonwick * Make sure we were able to grow the vdev. 2976573ca77eSGeorge Wilson */ 2977b24ab676SJeff Bonwick if (new_ms_count <= old_ms_count) 2978b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: ms_count %llu <= %llu\n", 2979b24ab676SJeff Bonwick old_ms_count, new_ms_count); 2980573ca77eSGeorge Wilson 2981573ca77eSGeorge Wilson /* 2982573ca77eSGeorge Wilson * Make sure we were able to grow the pool. 2983573ca77eSGeorge Wilson */ 2984b24ab676SJeff Bonwick if (new_class_space <= old_class_space) 2985b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: class_space %llu <= %llu\n", 2986b24ab676SJeff Bonwick old_class_space, new_class_space); 2987b24ab676SJeff Bonwick 2988420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 2989573ca77eSGeorge Wilson char oldnumbuf[6], newnumbuf[6]; 2990573ca77eSGeorge Wilson 2991b24ab676SJeff Bonwick nicenum(old_class_space, oldnumbuf); 2992b24ab676SJeff Bonwick nicenum(new_class_space, newnumbuf); 2993573ca77eSGeorge Wilson (void) printf("%s grew from %s to %s\n", 2994573ca77eSGeorge Wilson spa->spa_name, oldnumbuf, newnumbuf); 2995573ca77eSGeorge Wilson } 2996b24ab676SJeff Bonwick 2997573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2998420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2999fa9e4066Sahrens } 3000fa9e4066Sahrens 3001b24ab676SJeff Bonwick /* 3002b24ab676SJeff Bonwick * Verify that dmu_objset_{create,destroy,open,close} work as expected. 3003b24ab676SJeff Bonwick */ 3004fa9e4066Sahrens /* ARGSUSED */ 3005fa9e4066Sahrens static void 3006b24ab676SJeff Bonwick ztest_objset_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 3007fa9e4066Sahrens { 3008fa9e4066Sahrens /* 3009b24ab676SJeff Bonwick * Create the objects common to all ztest datasets. 3010fa9e4066Sahrens */ 3011b24ab676SJeff Bonwick VERIFY(zap_create_claim(os, ZTEST_DIROBJ, 3012fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 3013fa9e4066Sahrens } 3014fa9e4066Sahrens 301555da60b9SMark J Musante static int 301655da60b9SMark J Musante ztest_dataset_create(char *dsname) 301755da60b9SMark J Musante { 301855da60b9SMark J Musante uint64_t zilset = ztest_random(100); 301955da60b9SMark J Musante int err = dmu_objset_create(dsname, DMU_OST_OTHER, 0, 302055da60b9SMark J Musante ztest_objset_create_cb, NULL); 302155da60b9SMark J Musante 302255da60b9SMark J Musante if (err || zilset < 80) 302355da60b9SMark J Musante return (err); 302455da60b9SMark J Musante 3025420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 3026420dfc95SChris Siden (void) printf("Setting dataset %s to sync always\n", dsname); 302755da60b9SMark J Musante return (ztest_dsl_prop_set_uint64(dsname, ZFS_PROP_SYNC, 302855da60b9SMark J Musante ZFS_SYNC_ALWAYS, B_FALSE)); 302955da60b9SMark J Musante } 303055da60b9SMark J Musante 3031b24ab676SJeff Bonwick /* ARGSUSED */ 30321d452cf5Sahrens static int 3033fd136879SMatthew Ahrens ztest_objset_destroy_cb(const char *name, void *arg) 3034fa9e4066Sahrens { 3035fa9e4066Sahrens objset_t *os; 3036b24ab676SJeff Bonwick dmu_object_info_t doi; 3037fa9e4066Sahrens int error; 3038fa9e4066Sahrens 3039fa9e4066Sahrens /* 3040fa9e4066Sahrens * Verify that the dataset contains a directory object. 3041fa9e4066Sahrens */ 3042b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os)); 3043b24ab676SJeff Bonwick error = dmu_object_info(os, ZTEST_DIROBJ, &doi); 3044e1930233Sbonwick if (error != ENOENT) { 3045e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 3046*fb09f5aaSMadhav Suresh ASSERT0(error); 3047b24ab676SJeff Bonwick ASSERT3U(doi.doi_type, ==, DMU_OT_ZAP_OTHER); 3048b24ab676SJeff Bonwick ASSERT3S(doi.doi_physical_blocks_512, >=, 0); 3049e1930233Sbonwick } 3050503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 3051fa9e4066Sahrens 3052fa9e4066Sahrens /* 3053fa9e4066Sahrens * Destroy the dataset. 3054fa9e4066Sahrens */ 3055b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_destroy(name, B_FALSE)); 30561d452cf5Sahrens return (0); 3057fa9e4066Sahrens } 3058fa9e4066Sahrens 3059b24ab676SJeff Bonwick static boolean_t 3060b24ab676SJeff Bonwick ztest_snapshot_create(char *osname, uint64_t id) 3061fa9e4066Sahrens { 3062b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 3063b24ab676SJeff Bonwick int error; 3064b24ab676SJeff Bonwick 3065b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 3066b24ab676SJeff Bonwick (u_longlong_t)id); 3067b24ab676SJeff Bonwick 30684445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, strchr(snapname, '@') + 1); 3069b24ab676SJeff Bonwick if (error == ENOSPC) { 3070b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3071b24ab676SJeff Bonwick return (B_FALSE); 3072b24ab676SJeff Bonwick } 3073b24ab676SJeff Bonwick if (error != 0 && error != EEXIST) 3074b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_create(%s) = %d", snapname, error); 3075b24ab676SJeff Bonwick return (B_TRUE); 3076b24ab676SJeff Bonwick } 3077b24ab676SJeff Bonwick 3078b24ab676SJeff Bonwick static boolean_t 3079b24ab676SJeff Bonwick ztest_snapshot_destroy(char *osname, uint64_t id) 3080b24ab676SJeff Bonwick { 3081b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 3082b24ab676SJeff Bonwick int error; 3083b24ab676SJeff Bonwick 3084b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 3085b24ab676SJeff Bonwick (u_longlong_t)id); 3086b24ab676SJeff Bonwick 3087b24ab676SJeff Bonwick error = dmu_objset_destroy(snapname, B_FALSE); 3088b24ab676SJeff Bonwick if (error != 0 && error != ENOENT) 3089b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_destroy(%s) = %d", snapname, error); 3090b24ab676SJeff Bonwick return (B_TRUE); 3091fa9e4066Sahrens } 3092fa9e4066Sahrens 3093b24ab676SJeff Bonwick /* ARGSUSED */ 3094fa9e4066Sahrens void 3095b24ab676SJeff Bonwick ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64_t id) 3096fa9e4066Sahrens { 3097b24ab676SJeff Bonwick ztest_ds_t zdtmp; 3098b24ab676SJeff Bonwick int iters; 3099fa9e4066Sahrens int error; 3100745cd3c5Smaybee objset_t *os, *os2; 3101b24ab676SJeff Bonwick char name[MAXNAMELEN]; 3102fa9e4066Sahrens zilog_t *zilog; 3103fa9e4066Sahrens 3104420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 3105b24ab676SJeff Bonwick 3106b24ab676SJeff Bonwick (void) snprintf(name, MAXNAMELEN, "%s/temp_%llu", 3107420dfc95SChris Siden ztest_opts.zo_pool, (u_longlong_t)id); 3108fa9e4066Sahrens 3109fa9e4066Sahrens /* 3110fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 3111fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 3112b24ab676SJeff Bonwick * (invoked from ztest_objset_destroy_cb()) should just throw it away. 3113fa9e4066Sahrens */ 3114fa9e4066Sahrens if (ztest_random(2) == 0 && 3115503ad85cSMatthew Ahrens dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os) == 0) { 3116420dfc95SChris Siden ztest_zd_init(&zdtmp, NULL, os); 3117b24ab676SJeff Bonwick zil_replay(os, &zdtmp, ztest_replay_vector); 3118b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3119503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3120fa9e4066Sahrens } 3121fa9e4066Sahrens 3122fa9e4066Sahrens /* 3123fa9e4066Sahrens * There may be an old instance of the dataset we're about to 3124fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 3125fa9e4066Sahrens * and all of its snapshots. 3126fa9e4066Sahrens */ 3127b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 31280b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 3129fa9e4066Sahrens 3130fa9e4066Sahrens /* 3131fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 3132fa9e4066Sahrens */ 3133b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, dmu_objset_hold(name, FTAG, &os)); 3134fa9e4066Sahrens 3135fa9e4066Sahrens /* 3136fa9e4066Sahrens * Verify that we can create a new dataset. 3137fa9e4066Sahrens */ 313855da60b9SMark J Musante error = ztest_dataset_create(name); 3139fa9e4066Sahrens if (error) { 3140fa9e4066Sahrens if (error == ENOSPC) { 3141b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3142420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3143fa9e4066Sahrens return; 3144fa9e4066Sahrens } 3145fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 3146fa9e4066Sahrens } 3147fa9e4066Sahrens 3148b420f3adSRichard Lowe VERIFY3U(0, ==, 3149b420f3adSRichard Lowe dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os)); 3150b24ab676SJeff Bonwick 3151420dfc95SChris Siden ztest_zd_init(&zdtmp, NULL, os); 3152fa9e4066Sahrens 3153fa9e4066Sahrens /* 3154fa9e4066Sahrens * Open the intent log for it. 3155fa9e4066Sahrens */ 3156b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 3157fa9e4066Sahrens 3158fa9e4066Sahrens /* 3159b24ab676SJeff Bonwick * Put some objects in there, do a little I/O to them, 3160b24ab676SJeff Bonwick * and randomly take a couple of snapshots along the way. 3161fa9e4066Sahrens */ 3162b24ab676SJeff Bonwick iters = ztest_random(5); 3163b24ab676SJeff Bonwick for (int i = 0; i < iters; i++) { 3164b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(&zdtmp, id); 3165b24ab676SJeff Bonwick if (ztest_random(iters) == 0) 3166b24ab676SJeff Bonwick (void) ztest_snapshot_create(name, i); 3167fa9e4066Sahrens } 3168fa9e4066Sahrens 3169fa9e4066Sahrens /* 3170fa9e4066Sahrens * Verify that we cannot create an existing dataset. 3171fa9e4066Sahrens */ 3172b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, 3173b24ab676SJeff Bonwick dmu_objset_create(name, DMU_OST_OTHER, 0, NULL, NULL)); 3174fa9e4066Sahrens 3175fa9e4066Sahrens /* 3176503ad85cSMatthew Ahrens * Verify that we can hold an objset that is also owned. 3177745cd3c5Smaybee */ 3178b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os2)); 3179503ad85cSMatthew Ahrens dmu_objset_rele(os2, FTAG); 3180503ad85cSMatthew Ahrens 3181503ad85cSMatthew Ahrens /* 3182b24ab676SJeff Bonwick * Verify that we cannot own an objset that is already owned. 3183503ad85cSMatthew Ahrens */ 3184b24ab676SJeff Bonwick VERIFY3U(EBUSY, ==, 3185b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os2)); 3186fa9e4066Sahrens 3187fa9e4066Sahrens zil_close(zilog); 3188503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3189b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3190fa9e4066Sahrens 3191420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3192fa9e4066Sahrens } 3193fa9e4066Sahrens 3194fa9e4066Sahrens /* 3195fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 3196fa9e4066Sahrens */ 3197fa9e4066Sahrens void 3198b24ab676SJeff Bonwick ztest_dmu_snapshot_create_destroy(ztest_ds_t *zd, uint64_t id) 3199fa9e4066Sahrens { 3200420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 3201b24ab676SJeff Bonwick (void) ztest_snapshot_destroy(zd->zd_name, id); 3202b24ab676SJeff Bonwick (void) ztest_snapshot_create(zd->zd_name, id); 3203420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 32044f5064b7SMark J Musante } 32054f5064b7SMark J Musante 3206718d718aSGeorge Wilson /* 3207718d718aSGeorge Wilson * Cleanup non-standard snapshots and clones. 3208718d718aSGeorge Wilson */ 3209718d718aSGeorge Wilson void 3210b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(char *osname, uint64_t id) 3211718d718aSGeorge Wilson { 3212b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3213b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3214b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3215b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3216b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3217718d718aSGeorge Wilson int error; 3218718d718aSGeorge Wilson 3219b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3220b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3221b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3222b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3223b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 3224718d718aSGeorge Wilson 3225842727c2SChris Kirby error = dmu_objset_destroy(clone2name, B_FALSE); 3226718d718aSGeorge Wilson if (error && error != ENOENT) 3227718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone2name, error); 3228842727c2SChris Kirby error = dmu_objset_destroy(snap3name, B_FALSE); 3229718d718aSGeorge Wilson if (error && error != ENOENT) 3230718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap3name, error); 3231842727c2SChris Kirby error = dmu_objset_destroy(snap2name, B_FALSE); 3232718d718aSGeorge Wilson if (error && error != ENOENT) 3233718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error); 3234842727c2SChris Kirby error = dmu_objset_destroy(clone1name, B_FALSE); 3235718d718aSGeorge Wilson if (error && error != ENOENT) 3236718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone1name, error); 3237842727c2SChris Kirby error = dmu_objset_destroy(snap1name, B_FALSE); 3238718d718aSGeorge Wilson if (error && error != ENOENT) 3239718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap1name, error); 3240718d718aSGeorge Wilson } 3241718d718aSGeorge Wilson 32424f5064b7SMark J Musante /* 32434f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 32444f5064b7SMark J Musante */ 32454f5064b7SMark J Musante void 3246b24ab676SJeff Bonwick ztest_dsl_dataset_promote_busy(ztest_ds_t *zd, uint64_t id) 32474f5064b7SMark J Musante { 32484f5064b7SMark J Musante objset_t *clone; 32494f5064b7SMark J Musante dsl_dataset_t *ds; 3250b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3251b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3252b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3253b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3254b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3255b24ab676SJeff Bonwick char *osname = zd->zd_name; 3256b24ab676SJeff Bonwick int error; 32574f5064b7SMark J Musante 3258420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 32594f5064b7SMark J Musante 3260b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 3261718d718aSGeorge Wilson 3262b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3263b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3264b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3265b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3266b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 326705312e2cSMark J Musante 32684445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, strchr(snap1name, '@') + 1); 3269b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3270b2d22b66SGeorge Wilson if (error == ENOSPC) { 3271b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3272b2d22b66SGeorge Wilson goto out; 3273b2d22b66SGeorge Wilson } 3274b2d22b66SGeorge Wilson fatal(0, "dmu_take_snapshot(%s) = %d", snap1name, error); 3275b2d22b66SGeorge Wilson } 32764f5064b7SMark J Musante 3277503ad85cSMatthew Ahrens error = dmu_objset_hold(snap1name, FTAG, &clone); 32784f5064b7SMark J Musante if (error) 32794f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap1name, error); 32804f5064b7SMark J Musante 3281ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone1name, dmu_objset_ds(clone), 0); 3282503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3283b2d22b66SGeorge Wilson if (error) { 3284b2d22b66SGeorge Wilson if (error == ENOSPC) { 3285b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3286b2d22b66SGeorge Wilson goto out; 3287b2d22b66SGeorge Wilson } 3288b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 3289b2d22b66SGeorge Wilson } 32904f5064b7SMark J Musante 32914445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(clone1name, strchr(snap2name, '@') + 1); 3292b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3293b2d22b66SGeorge Wilson if (error == ENOSPC) { 3294b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3295b2d22b66SGeorge Wilson goto out; 3296b2d22b66SGeorge Wilson } 3297b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap2name, error); 3298b2d22b66SGeorge Wilson } 32994f5064b7SMark J Musante 33004445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(clone1name, strchr(snap3name, '@') + 1); 3301b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3302b2d22b66SGeorge Wilson if (error == ENOSPC) { 3303b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3304b2d22b66SGeorge Wilson goto out; 3305b2d22b66SGeorge Wilson } 3306b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 3307b2d22b66SGeorge Wilson } 33084f5064b7SMark J Musante 3309503ad85cSMatthew Ahrens error = dmu_objset_hold(snap3name, FTAG, &clone); 33104f5064b7SMark J Musante if (error) 33114f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 33124f5064b7SMark J Musante 3313ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone2name, dmu_objset_ds(clone), 0); 3314503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3315b2d22b66SGeorge Wilson if (error) { 3316b2d22b66SGeorge Wilson if (error == ENOSPC) { 3317b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3318b2d22b66SGeorge Wilson goto out; 3319b2d22b66SGeorge Wilson } 3320b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 3321b2d22b66SGeorge Wilson } 33224f5064b7SMark J Musante 3323cde58dbcSMatthew Ahrens error = dsl_dataset_own(snap2name, B_FALSE, FTAG, &ds); 33244f5064b7SMark J Musante if (error) 3325cde58dbcSMatthew Ahrens fatal(0, "dsl_dataset_own(%s) = %d", snap2name, error); 3326681d9761SEric Taylor error = dsl_dataset_promote(clone2name, NULL); 33274f5064b7SMark J Musante if (error != EBUSY) 33284f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 33294f5064b7SMark J Musante error); 33304f5064b7SMark J Musante dsl_dataset_disown(ds, FTAG); 33314f5064b7SMark J Musante 3332b2d22b66SGeorge Wilson out: 3333b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 33344f5064b7SMark J Musante 3335420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3336fa9e4066Sahrens } 3337fa9e4066Sahrens 3338fa9e4066Sahrens /* 3339fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 3340fa9e4066Sahrens */ 3341fa9e4066Sahrens void 3342b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(ztest_ds_t *zd, uint64_t id) 3343fa9e4066Sahrens { 3344b24ab676SJeff Bonwick ztest_od_t od[4]; 3345b24ab676SJeff Bonwick int batchsize = sizeof (od) / sizeof (od[0]); 3346fa9e4066Sahrens 3347b24ab676SJeff Bonwick for (int b = 0; b < batchsize; b++) 3348b24ab676SJeff Bonwick ztest_od_init(&od[b], id, FTAG, b, DMU_OT_UINT64_OTHER, 0, 0); 3349fa9e4066Sahrens 3350fa9e4066Sahrens /* 3351b24ab676SJeff Bonwick * Destroy the previous batch of objects, create a new batch, 3352b24ab676SJeff Bonwick * and do some I/O on the new objects. 3353fa9e4066Sahrens */ 3354b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_TRUE) != 0) 3355b24ab676SJeff Bonwick return; 3356fa9e4066Sahrens 3357b24ab676SJeff Bonwick while (ztest_random(4 * batchsize) != 0) 3358b24ab676SJeff Bonwick ztest_io(zd, od[ztest_random(batchsize)].od_object, 3359b24ab676SJeff Bonwick ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3360fa9e4066Sahrens } 3361fa9e4066Sahrens 3362fa9e4066Sahrens /* 3363fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 3364fa9e4066Sahrens */ 3365fa9e4066Sahrens void 3366b24ab676SJeff Bonwick ztest_dmu_read_write(ztest_ds_t *zd, uint64_t id) 3367fa9e4066Sahrens { 3368b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3369b24ab676SJeff Bonwick ztest_od_t od[2]; 3370fa9e4066Sahrens dmu_tx_t *tx; 3371fa9e4066Sahrens int i, freeit, error; 3372fa9e4066Sahrens uint64_t n, s, txg; 3373fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 3374b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3375b24ab676SJeff Bonwick uint64_t chunksize = (1000 + ztest_random(1000)) * sizeof (uint64_t); 3376fa9e4066Sahrens uint64_t regions = 997; 3377fa9e4066Sahrens uint64_t stride = 123456789ULL; 3378fa9e4066Sahrens uint64_t width = 40; 3379fa9e4066Sahrens int free_percent = 5; 3380fa9e4066Sahrens 3381fa9e4066Sahrens /* 3382fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 3383fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 3384fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 3385fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 3386fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 3387fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 3388fa9e4066Sahrens * 3389fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 3390fa9e4066Sahrens * bigobj, at the head of the nth chunk 3391fa9e4066Sahrens * bigobj, at the tail of the nth chunk 3392fa9e4066Sahrens * 3393fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 3394fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 3395fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 3396fa9e4066Sahrens * 3397fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 3398fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 3399fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 3400fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 3401fa9e4066Sahrens * tracking which parts of an object are allocated and free, 3402fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 3403fa9e4066Sahrens */ 3404fa9e4066Sahrens 3405fa9e4066Sahrens /* 3406fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 3407fa9e4066Sahrens */ 3408b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, chunksize); 3409b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 3410fa9e4066Sahrens 3411b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3412b24ab676SJeff Bonwick return; 3413fa9e4066Sahrens 3414b24ab676SJeff Bonwick bigobj = od[0].od_object; 3415b24ab676SJeff Bonwick packobj = od[1].od_object; 3416b24ab676SJeff Bonwick chunksize = od[0].od_gen; 3417b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 3418fa9e4066Sahrens 3419fa9e4066Sahrens /* 3420fa9e4066Sahrens * Prefetch a random chunk of the big object. 3421fa9e4066Sahrens * Our aim here is to get some async reads in flight 3422fa9e4066Sahrens * for blocks that we may free below; the DMU should 3423fa9e4066Sahrens * handle this race correctly. 3424fa9e4066Sahrens */ 3425fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3426fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 3427b24ab676SJeff Bonwick dmu_prefetch(os, bigobj, n * chunksize, s * chunksize); 3428fa9e4066Sahrens 3429fa9e4066Sahrens /* 3430fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 3431fa9e4066Sahrens */ 3432fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3433fa9e4066Sahrens s = 1 + ztest_random(width - 1); 3434fa9e4066Sahrens 3435fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 3436fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 3437fa9e4066Sahrens 3438b24ab676SJeff Bonwick bigoff = n * chunksize; 3439b24ab676SJeff Bonwick bigsize = s * chunksize; 3440fa9e4066Sahrens 3441fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 3442fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 3443fa9e4066Sahrens 3444fa9e4066Sahrens /* 3445fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 3446fa9e4066Sahrens * overwriting it. 3447fa9e4066Sahrens */ 3448fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 3449fa9e4066Sahrens 3450fa9e4066Sahrens /* 3451fa9e4066Sahrens * Read the current contents of our objects. 3452fa9e4066Sahrens */ 3453b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, packsize, packbuf, 34547bfdf011SNeil Perrin DMU_READ_PREFETCH); 3455*fb09f5aaSMadhav Suresh ASSERT0(error); 3456b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, bigbuf, 34577bfdf011SNeil Perrin DMU_READ_PREFETCH); 3458*fb09f5aaSMadhav Suresh ASSERT0(error); 3459fa9e4066Sahrens 3460fa9e4066Sahrens /* 3461fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 3462fa9e4066Sahrens */ 3463fa9e4066Sahrens tx = dmu_tx_create(os); 3464fa9e4066Sahrens 3465b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3466fa9e4066Sahrens 3467fa9e4066Sahrens if (freeit) 3468b24ab676SJeff Bonwick dmu_tx_hold_free(tx, bigobj, bigoff, bigsize); 3469fa9e4066Sahrens else 3470b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 3471fa9e4066Sahrens 3472b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3473b24ab676SJeff Bonwick if (txg == 0) { 3474fa9e4066Sahrens umem_free(packbuf, packsize); 3475fa9e4066Sahrens umem_free(bigbuf, bigsize); 3476fa9e4066Sahrens return; 3477fa9e4066Sahrens } 3478fa9e4066Sahrens 3479b24ab676SJeff Bonwick dmu_object_set_checksum(os, bigobj, 3480b24ab676SJeff Bonwick (enum zio_checksum)ztest_random_dsl_prop(ZFS_PROP_CHECKSUM), tx); 3481b24ab676SJeff Bonwick 3482b24ab676SJeff Bonwick dmu_object_set_compress(os, bigobj, 3483b24ab676SJeff Bonwick (enum zio_compress)ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), tx); 3484fa9e4066Sahrens 3485fa9e4066Sahrens /* 3486fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 3487fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 3488fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 3489fa9e4066Sahrens * with the new values we want to write out. 3490fa9e4066Sahrens */ 3491fa9e4066Sahrens for (i = 0; i < s; i++) { 3492fa9e4066Sahrens /* LINTED */ 3493fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 3494fa9e4066Sahrens /* LINTED */ 3495b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 3496fa9e4066Sahrens /* LINTED */ 3497b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 3498fa9e4066Sahrens 3499fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 3500fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 3501fa9e4066Sahrens 3502fa9e4066Sahrens if (pack->bw_txg > txg) 3503fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 3504fa9e4066Sahrens pack->bw_txg, txg); 3505fa9e4066Sahrens 3506fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 3507fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 3508fa9e4066Sahrens pack->bw_index, n, i); 3509fa9e4066Sahrens 3510fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 3511fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 3512fa9e4066Sahrens 3513fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 3514fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 3515fa9e4066Sahrens 3516fa9e4066Sahrens if (freeit) { 3517fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 3518fa9e4066Sahrens } else { 3519fa9e4066Sahrens pack->bw_index = n + i; 3520fa9e4066Sahrens pack->bw_txg = txg; 3521fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 3522fa9e4066Sahrens } 3523fa9e4066Sahrens *bigH = *pack; 3524fa9e4066Sahrens *bigT = *pack; 3525fa9e4066Sahrens } 3526fa9e4066Sahrens 3527fa9e4066Sahrens /* 3528fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 3529fa9e4066Sahrens * Now write them out. 3530fa9e4066Sahrens */ 3531b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3532fa9e4066Sahrens 3533fa9e4066Sahrens if (freeit) { 3534420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 3535fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 3536fa9e4066Sahrens " txg %llx\n", 3537fa9e4066Sahrens (u_longlong_t)bigoff, 3538fa9e4066Sahrens (u_longlong_t)bigsize, 3539fa9e4066Sahrens (u_longlong_t)txg); 3540fa9e4066Sahrens } 3541b24ab676SJeff Bonwick VERIFY(0 == dmu_free_range(os, bigobj, bigoff, bigsize, tx)); 3542fa9e4066Sahrens } else { 3543420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 3544fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 3545fa9e4066Sahrens " txg %llx\n", 3546fa9e4066Sahrens (u_longlong_t)bigoff, 3547fa9e4066Sahrens (u_longlong_t)bigsize, 3548fa9e4066Sahrens (u_longlong_t)txg); 3549fa9e4066Sahrens } 3550b24ab676SJeff Bonwick dmu_write(os, bigobj, bigoff, bigsize, bigbuf, tx); 3551fa9e4066Sahrens } 3552fa9e4066Sahrens 3553fa9e4066Sahrens dmu_tx_commit(tx); 3554fa9e4066Sahrens 3555fa9e4066Sahrens /* 3556fa9e4066Sahrens * Sanity check the stuff we just wrote. 3557fa9e4066Sahrens */ 3558fa9e4066Sahrens { 3559fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 3560fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 3561fa9e4066Sahrens 3562b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 35637bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3564b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 35657bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 3566fa9e4066Sahrens 3567fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 3568fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 3569fa9e4066Sahrens 3570fa9e4066Sahrens umem_free(packcheck, packsize); 3571fa9e4066Sahrens umem_free(bigcheck, bigsize); 3572fa9e4066Sahrens } 3573fa9e4066Sahrens 3574fa9e4066Sahrens umem_free(packbuf, packsize); 3575fa9e4066Sahrens umem_free(bigbuf, bigsize); 3576fa9e4066Sahrens } 3577fa9e4066Sahrens 35782fdbea25SAleksandr Guzovskiy void 35792fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(uint64_t s, bufwad_t *packbuf, bufwad_t *bigbuf, 3580b24ab676SJeff Bonwick uint64_t bigsize, uint64_t n, uint64_t chunksize, uint64_t txg) 35812fdbea25SAleksandr Guzovskiy { 35822fdbea25SAleksandr Guzovskiy uint64_t i; 35832fdbea25SAleksandr Guzovskiy bufwad_t *pack; 35842fdbea25SAleksandr Guzovskiy bufwad_t *bigH; 35852fdbea25SAleksandr Guzovskiy bufwad_t *bigT; 35862fdbea25SAleksandr Guzovskiy 35872fdbea25SAleksandr Guzovskiy /* 35882fdbea25SAleksandr Guzovskiy * For each index from n to n + s, verify that the existing bufwad 35892fdbea25SAleksandr Guzovskiy * in packobj matches the bufwads at the head and tail of the 35902fdbea25SAleksandr Guzovskiy * corresponding chunk in bigobj. Then update all three bufwads 35912fdbea25SAleksandr Guzovskiy * with the new values we want to write out. 35922fdbea25SAleksandr Guzovskiy */ 35932fdbea25SAleksandr Guzovskiy for (i = 0; i < s; i++) { 35942fdbea25SAleksandr Guzovskiy /* LINTED */ 35952fdbea25SAleksandr Guzovskiy pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 35962fdbea25SAleksandr Guzovskiy /* LINTED */ 3597b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 35982fdbea25SAleksandr Guzovskiy /* LINTED */ 3599b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 36002fdbea25SAleksandr Guzovskiy 36012fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 36022fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 36032fdbea25SAleksandr Guzovskiy 36042fdbea25SAleksandr Guzovskiy if (pack->bw_txg > txg) 36052fdbea25SAleksandr Guzovskiy fatal(0, "future leak: got %llx, open txg is %llx", 36062fdbea25SAleksandr Guzovskiy pack->bw_txg, txg); 36072fdbea25SAleksandr Guzovskiy 36082fdbea25SAleksandr Guzovskiy if (pack->bw_data != 0 && pack->bw_index != n + i) 36092fdbea25SAleksandr Guzovskiy fatal(0, "wrong index: got %llx, wanted %llx+%llx", 36102fdbea25SAleksandr Guzovskiy pack->bw_index, n, i); 36112fdbea25SAleksandr Guzovskiy 36122fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 36132fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 36142fdbea25SAleksandr Guzovskiy 36152fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 36162fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 36172fdbea25SAleksandr Guzovskiy 36182fdbea25SAleksandr Guzovskiy pack->bw_index = n + i; 36192fdbea25SAleksandr Guzovskiy pack->bw_txg = txg; 36202fdbea25SAleksandr Guzovskiy pack->bw_data = 1 + ztest_random(-2ULL); 36212fdbea25SAleksandr Guzovskiy 36222fdbea25SAleksandr Guzovskiy *bigH = *pack; 36232fdbea25SAleksandr Guzovskiy *bigT = *pack; 36242fdbea25SAleksandr Guzovskiy } 36252fdbea25SAleksandr Guzovskiy } 36262fdbea25SAleksandr Guzovskiy 36272fdbea25SAleksandr Guzovskiy void 3628b24ab676SJeff Bonwick ztest_dmu_read_write_zcopy(ztest_ds_t *zd, uint64_t id) 36292fdbea25SAleksandr Guzovskiy { 3630b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3631b24ab676SJeff Bonwick ztest_od_t od[2]; 36322fdbea25SAleksandr Guzovskiy dmu_tx_t *tx; 36332fdbea25SAleksandr Guzovskiy uint64_t i; 36342fdbea25SAleksandr Guzovskiy int error; 36352fdbea25SAleksandr Guzovskiy uint64_t n, s, txg; 36362fdbea25SAleksandr Guzovskiy bufwad_t *packbuf, *bigbuf; 3637b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3638b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3639b24ab676SJeff Bonwick uint64_t chunksize = blocksize; 36402fdbea25SAleksandr Guzovskiy uint64_t regions = 997; 36412fdbea25SAleksandr Guzovskiy uint64_t stride = 123456789ULL; 36422fdbea25SAleksandr Guzovskiy uint64_t width = 9; 36432fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 36442fdbea25SAleksandr Guzovskiy arc_buf_t **bigbuf_arcbufs; 3645b24ab676SJeff Bonwick dmu_object_info_t doi; 36462fdbea25SAleksandr Guzovskiy 36472fdbea25SAleksandr Guzovskiy /* 36482fdbea25SAleksandr Guzovskiy * This test uses two objects, packobj and bigobj, that are always 36492fdbea25SAleksandr Guzovskiy * updated together (i.e. in the same tx) so that their contents are 36502fdbea25SAleksandr Guzovskiy * in sync and can be compared. Their contents relate to each other 36512fdbea25SAleksandr Guzovskiy * in a simple way: packobj is a dense array of 'bufwad' structures, 36522fdbea25SAleksandr Guzovskiy * while bigobj is a sparse array of the same bufwads. Specifically, 36532fdbea25SAleksandr Guzovskiy * for any index n, there are three bufwads that should be identical: 36542fdbea25SAleksandr Guzovskiy * 36552fdbea25SAleksandr Guzovskiy * packobj, at offset n * sizeof (bufwad_t) 36562fdbea25SAleksandr Guzovskiy * bigobj, at the head of the nth chunk 36572fdbea25SAleksandr Guzovskiy * bigobj, at the tail of the nth chunk 36582fdbea25SAleksandr Guzovskiy * 36592fdbea25SAleksandr Guzovskiy * The chunk size is set equal to bigobj block size so that 36602fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() can be tested for object updates. 36612fdbea25SAleksandr Guzovskiy */ 36622fdbea25SAleksandr Guzovskiy 36632fdbea25SAleksandr Guzovskiy /* 36642fdbea25SAleksandr Guzovskiy * Read the directory info. If it's the first time, set things up. 36652fdbea25SAleksandr Guzovskiy */ 3666b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3667b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 36682fdbea25SAleksandr Guzovskiy 3669b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3670b24ab676SJeff Bonwick return; 36712fdbea25SAleksandr Guzovskiy 3672b24ab676SJeff Bonwick bigobj = od[0].od_object; 3673b24ab676SJeff Bonwick packobj = od[1].od_object; 3674b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 3675b24ab676SJeff Bonwick chunksize = blocksize; 3676b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 36772fdbea25SAleksandr Guzovskiy 3678b24ab676SJeff Bonwick VERIFY(dmu_object_info(os, bigobj, &doi) == 0); 3679b24ab676SJeff Bonwick VERIFY(ISP2(doi.doi_data_block_size)); 3680b24ab676SJeff Bonwick VERIFY(chunksize == doi.doi_data_block_size); 3681b24ab676SJeff Bonwick VERIFY(chunksize >= 2 * sizeof (bufwad_t)); 36822fdbea25SAleksandr Guzovskiy 36832fdbea25SAleksandr Guzovskiy /* 36842fdbea25SAleksandr Guzovskiy * Pick a random index and compute the offsets into packobj and bigobj. 36852fdbea25SAleksandr Guzovskiy */ 36862fdbea25SAleksandr Guzovskiy n = ztest_random(regions) * stride + ztest_random(width); 36872fdbea25SAleksandr Guzovskiy s = 1 + ztest_random(width - 1); 36882fdbea25SAleksandr Guzovskiy 36892fdbea25SAleksandr Guzovskiy packoff = n * sizeof (bufwad_t); 36902fdbea25SAleksandr Guzovskiy packsize = s * sizeof (bufwad_t); 36912fdbea25SAleksandr Guzovskiy 3692b24ab676SJeff Bonwick bigoff = n * chunksize; 3693b24ab676SJeff Bonwick bigsize = s * chunksize; 36942fdbea25SAleksandr Guzovskiy 36952fdbea25SAleksandr Guzovskiy packbuf = umem_zalloc(packsize, UMEM_NOFAIL); 36962fdbea25SAleksandr Guzovskiy bigbuf = umem_zalloc(bigsize, UMEM_NOFAIL); 36972fdbea25SAleksandr Guzovskiy 3698b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, bigobj, FTAG, &bonus_db)); 36992fdbea25SAleksandr Guzovskiy 37002fdbea25SAleksandr Guzovskiy bigbuf_arcbufs = umem_zalloc(2 * s * sizeof (arc_buf_t *), UMEM_NOFAIL); 37012fdbea25SAleksandr Guzovskiy 37022fdbea25SAleksandr Guzovskiy /* 37032fdbea25SAleksandr Guzovskiy * Iteration 0 test zcopy for DB_UNCACHED dbufs. 37042fdbea25SAleksandr Guzovskiy * Iteration 1 test zcopy to already referenced dbufs. 37052fdbea25SAleksandr Guzovskiy * Iteration 2 test zcopy to dirty dbuf in the same txg. 37062fdbea25SAleksandr Guzovskiy * Iteration 3 test zcopy to dbuf dirty in previous txg. 37072fdbea25SAleksandr Guzovskiy * Iteration 4 test zcopy when dbuf is no longer dirty. 37082fdbea25SAleksandr Guzovskiy * Iteration 5 test zcopy when it can't be done. 37092fdbea25SAleksandr Guzovskiy * Iteration 6 one more zcopy write. 37102fdbea25SAleksandr Guzovskiy */ 37112fdbea25SAleksandr Guzovskiy for (i = 0; i < 7; i++) { 37122fdbea25SAleksandr Guzovskiy uint64_t j; 37132fdbea25SAleksandr Guzovskiy uint64_t off; 37142fdbea25SAleksandr Guzovskiy 37152fdbea25SAleksandr Guzovskiy /* 37162fdbea25SAleksandr Guzovskiy * In iteration 5 (i == 5) use arcbufs 37172fdbea25SAleksandr Guzovskiy * that don't match bigobj blksz to test 37182fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() when it can't directly 37192fdbea25SAleksandr Guzovskiy * assign an arcbuf to a dbuf. 37202fdbea25SAleksandr Guzovskiy */ 37212fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 37222fdbea25SAleksandr Guzovskiy if (i != 5) { 37232fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j] = 3724b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize); 37252fdbea25SAleksandr Guzovskiy } else { 37262fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j] = 3727b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 37282fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1] = 3729b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 37302fdbea25SAleksandr Guzovskiy } 37312fdbea25SAleksandr Guzovskiy } 37322fdbea25SAleksandr Guzovskiy 37332fdbea25SAleksandr Guzovskiy /* 37342fdbea25SAleksandr Guzovskiy * Get a tx for the mods to both packobj and bigobj. 37352fdbea25SAleksandr Guzovskiy */ 37362fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 37372fdbea25SAleksandr Guzovskiy 3738b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3739b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 37402fdbea25SAleksandr Guzovskiy 3741b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3742b24ab676SJeff Bonwick if (txg == 0) { 37432fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 37442fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 37452fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 37462fdbea25SAleksandr Guzovskiy if (i != 5) { 37472fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(bigbuf_arcbufs[j]); 37482fdbea25SAleksandr Guzovskiy } else { 37492fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 37502fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]); 37512fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 37522fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]); 37532fdbea25SAleksandr Guzovskiy } 37542fdbea25SAleksandr Guzovskiy } 37552fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 37562fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 37572fdbea25SAleksandr Guzovskiy return; 37582fdbea25SAleksandr Guzovskiy } 37592fdbea25SAleksandr Guzovskiy 37602fdbea25SAleksandr Guzovskiy /* 37612fdbea25SAleksandr Guzovskiy * 50% of the time don't read objects in the 1st iteration to 37622fdbea25SAleksandr Guzovskiy * test dmu_assign_arcbuf() for the case when there're no 37632fdbea25SAleksandr Guzovskiy * existing dbufs for the specified offsets. 37642fdbea25SAleksandr Guzovskiy */ 37652fdbea25SAleksandr Guzovskiy if (i != 0 || ztest_random(2) != 0) { 3766b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, 37677bfdf011SNeil Perrin packsize, packbuf, DMU_READ_PREFETCH); 3768*fb09f5aaSMadhav Suresh ASSERT0(error); 3769b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, 37707bfdf011SNeil Perrin bigbuf, DMU_READ_PREFETCH); 3771*fb09f5aaSMadhav Suresh ASSERT0(error); 37722fdbea25SAleksandr Guzovskiy } 37732fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(s, packbuf, bigbuf, bigsize, 3774b24ab676SJeff Bonwick n, chunksize, txg); 37752fdbea25SAleksandr Guzovskiy 37762fdbea25SAleksandr Guzovskiy /* 37772fdbea25SAleksandr Guzovskiy * We've verified all the old bufwads, and made new ones. 37782fdbea25SAleksandr Guzovskiy * Now write them out. 37792fdbea25SAleksandr Guzovskiy */ 3780b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3781420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 37822fdbea25SAleksandr Guzovskiy (void) printf("writing offset %llx size %llx" 37832fdbea25SAleksandr Guzovskiy " txg %llx\n", 37842fdbea25SAleksandr Guzovskiy (u_longlong_t)bigoff, 37852fdbea25SAleksandr Guzovskiy (u_longlong_t)bigsize, 37862fdbea25SAleksandr Guzovskiy (u_longlong_t)txg); 37872fdbea25SAleksandr Guzovskiy } 3788b24ab676SJeff Bonwick for (off = bigoff, j = 0; j < s; j++, off += chunksize) { 37892fdbea25SAleksandr Guzovskiy dmu_buf_t *dbt; 37902fdbea25SAleksandr Guzovskiy if (i != 5) { 37912fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 3792b24ab676SJeff Bonwick bigbuf_arcbufs[j]->b_data, chunksize); 37932fdbea25SAleksandr Guzovskiy } else { 37942fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 37952fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]->b_data, 3796b24ab676SJeff Bonwick chunksize / 2); 37972fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff) + 3798b24ab676SJeff Bonwick chunksize / 2, 37992fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]->b_data, 3800b24ab676SJeff Bonwick chunksize / 2); 38012fdbea25SAleksandr Guzovskiy } 38022fdbea25SAleksandr Guzovskiy 38032fdbea25SAleksandr Guzovskiy if (i == 1) { 3804b24ab676SJeff Bonwick VERIFY(dmu_buf_hold(os, bigobj, off, 380547cb52daSJeff Bonwick FTAG, &dbt, DMU_READ_NO_PREFETCH) == 0); 38062fdbea25SAleksandr Guzovskiy } 38072fdbea25SAleksandr Guzovskiy if (i != 5) { 38082fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 38092fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j], tx); 38102fdbea25SAleksandr Guzovskiy } else { 38112fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 38122fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j], tx); 38132fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, 3814b24ab676SJeff Bonwick off + chunksize / 2, 38152fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1], tx); 38162fdbea25SAleksandr Guzovskiy } 38172fdbea25SAleksandr Guzovskiy if (i == 1) { 38182fdbea25SAleksandr Guzovskiy dmu_buf_rele(dbt, FTAG); 38192fdbea25SAleksandr Guzovskiy } 38202fdbea25SAleksandr Guzovskiy } 38212fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 38222fdbea25SAleksandr Guzovskiy 38232fdbea25SAleksandr Guzovskiy /* 38242fdbea25SAleksandr Guzovskiy * Sanity check the stuff we just wrote. 38252fdbea25SAleksandr Guzovskiy */ 38262fdbea25SAleksandr Guzovskiy { 38272fdbea25SAleksandr Guzovskiy void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 38282fdbea25SAleksandr Guzovskiy void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 38292fdbea25SAleksandr Guzovskiy 3830b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 38317bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3832b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 38337bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 38342fdbea25SAleksandr Guzovskiy 38352fdbea25SAleksandr Guzovskiy ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 38362fdbea25SAleksandr Guzovskiy ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 38372fdbea25SAleksandr Guzovskiy 38382fdbea25SAleksandr Guzovskiy umem_free(packcheck, packsize); 38392fdbea25SAleksandr Guzovskiy umem_free(bigcheck, bigsize); 38402fdbea25SAleksandr Guzovskiy } 38412fdbea25SAleksandr Guzovskiy if (i == 2) { 3842b24ab676SJeff Bonwick txg_wait_open(dmu_objset_pool(os), 0); 3843b24ab676SJeff Bonwick } else if (i == 3) { 3844b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 3845fa9e4066Sahrens } 3846e05725b1Sbonwick } 3847e05725b1Sbonwick 3848b24ab676SJeff Bonwick dmu_buf_rele(bonus_db, FTAG); 3849b24ab676SJeff Bonwick umem_free(packbuf, packsize); 3850b24ab676SJeff Bonwick umem_free(bigbuf, bigsize); 3851b24ab676SJeff Bonwick umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 3852b24ab676SJeff Bonwick } 3853fa9e4066Sahrens 3854b24ab676SJeff Bonwick /* ARGSUSED */ 3855b24ab676SJeff Bonwick void 3856b24ab676SJeff Bonwick ztest_dmu_write_parallel(ztest_ds_t *zd, uint64_t id) 3857b24ab676SJeff Bonwick { 3858b24ab676SJeff Bonwick ztest_od_t od[1]; 3859b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(20) + 43)) + 3860b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3861fa9e4066Sahrens 3862e05725b1Sbonwick /* 3863b24ab676SJeff Bonwick * Have multiple threads write to large offsets in an object 3864b24ab676SJeff Bonwick * to verify that parallel writes to an object -- even to the 3865b24ab676SJeff Bonwick * same blocks within the object -- doesn't cause any trouble. 3866e05725b1Sbonwick */ 3867b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 3868fa9e4066Sahrens 3869b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3870e05725b1Sbonwick return; 3871fa9e4066Sahrens 3872b24ab676SJeff Bonwick while (ztest_random(10) != 0) 3873b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, offset); 3874b24ab676SJeff Bonwick } 3875fa9e4066Sahrens 3876b24ab676SJeff Bonwick void 3877b24ab676SJeff Bonwick ztest_dmu_prealloc(ztest_ds_t *zd, uint64_t id) 3878b24ab676SJeff Bonwick { 3879b24ab676SJeff Bonwick ztest_od_t od[1]; 3880b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(4) + SPA_MAXBLOCKSHIFT)) + 3881b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3882b24ab676SJeff Bonwick uint64_t count = ztest_random(20) + 1; 3883b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3884b24ab676SJeff Bonwick void *data; 3885fa9e4066Sahrens 3886b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3887fa9e4066Sahrens 3888b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3889e05725b1Sbonwick return; 38900e34b6a7Sbonwick 3891b24ab676SJeff Bonwick if (ztest_truncate(zd, od[0].od_object, offset, count * blocksize) != 0) 3892f4a72450SJeff Bonwick return; 3893f4a72450SJeff Bonwick 3894b24ab676SJeff Bonwick ztest_prealloc(zd, od[0].od_object, offset, count * blocksize); 3895fa9e4066Sahrens 3896b24ab676SJeff Bonwick data = umem_zalloc(blocksize, UMEM_NOFAIL); 3897b24ab676SJeff Bonwick 3898b24ab676SJeff Bonwick while (ztest_random(count) != 0) { 3899b24ab676SJeff Bonwick uint64_t randoff = offset + (ztest_random(count) * blocksize); 3900b24ab676SJeff Bonwick if (ztest_write(zd, od[0].od_object, randoff, blocksize, 3901b24ab676SJeff Bonwick data) != 0) 3902b24ab676SJeff Bonwick break; 3903b24ab676SJeff Bonwick while (ztest_random(4) != 0) 3904b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, randoff); 3905b24ab676SJeff Bonwick } 3906b24ab676SJeff Bonwick 3907b24ab676SJeff Bonwick umem_free(data, blocksize); 3908fa9e4066Sahrens } 3909fa9e4066Sahrens 3910fa9e4066Sahrens /* 3911fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 3912fa9e4066Sahrens */ 3913fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 3914fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 3915fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 3916fa9e4066Sahrens 3917fa9e4066Sahrens void 3918b24ab676SJeff Bonwick ztest_zap(ztest_ds_t *zd, uint64_t id) 3919fa9e4066Sahrens { 3920b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3921b24ab676SJeff Bonwick ztest_od_t od[1]; 3922fa9e4066Sahrens uint64_t object; 3923fa9e4066Sahrens uint64_t txg, last_txg; 3924fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 3925fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 3926fa9e4066Sahrens int i, ints; 3927fa9e4066Sahrens dmu_tx_t *tx; 3928fa9e4066Sahrens char propname[100], txgname[100]; 3929fa9e4066Sahrens int error; 3930fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 3931fa9e4066Sahrens 3932b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 3933fa9e4066Sahrens 3934b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3935b24ab676SJeff Bonwick return; 3936fa9e4066Sahrens 3937b24ab676SJeff Bonwick object = od[0].od_object; 3938fa9e4066Sahrens 3939b24ab676SJeff Bonwick /* 3940b24ab676SJeff Bonwick * Generate a known hash collision, and verify that 3941b24ab676SJeff Bonwick * we can lookup and remove both entries. 3942b24ab676SJeff Bonwick */ 3943b24ab676SJeff Bonwick tx = dmu_tx_create(os); 3944b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3945b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3946b24ab676SJeff Bonwick if (txg == 0) 3947b24ab676SJeff Bonwick return; 3948b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3949b24ab676SJeff Bonwick value[i] = i; 3950b420f3adSRichard Lowe VERIFY3U(0, ==, zap_add(os, object, hc[i], sizeof (uint64_t), 3951b24ab676SJeff Bonwick 1, &value[i], tx)); 3952b24ab676SJeff Bonwick } 3953b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3954b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, zap_add(os, object, hc[i], 3955b24ab676SJeff Bonwick sizeof (uint64_t), 1, &value[i], tx)); 3956b420f3adSRichard Lowe VERIFY3U(0, ==, 3957b420f3adSRichard Lowe zap_length(os, object, hc[i], &zl_intsize, &zl_ints)); 3958b24ab676SJeff Bonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3959b24ab676SJeff Bonwick ASSERT3U(zl_ints, ==, 1); 3960fa9e4066Sahrens } 3961b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3962b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, hc[i], tx)); 3963b24ab676SJeff Bonwick } 3964b24ab676SJeff Bonwick dmu_tx_commit(tx); 3965fa9e4066Sahrens 3966b24ab676SJeff Bonwick /* 3967b24ab676SJeff Bonwick * Generate a buch of random entries. 3968b24ab676SJeff Bonwick */ 3969fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 3970fa9e4066Sahrens 3971e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 3972e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 3973e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 3974e05725b1Sbonwick bzero(value, sizeof (value)); 3975e05725b1Sbonwick last_txg = 0; 3976fa9e4066Sahrens 3977e05725b1Sbonwick /* 3978e05725b1Sbonwick * If these zap entries already exist, validate their contents. 3979e05725b1Sbonwick */ 3980e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 3981e05725b1Sbonwick if (error == 0) { 3982e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3983e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 3984fa9e4066Sahrens 3985e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 3986e05725b1Sbonwick zl_ints, &last_txg) == 0); 3987fa9e4066Sahrens 3988e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 3989e05725b1Sbonwick &zl_ints) == 0); 3990fa9e4066Sahrens 3991e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3992e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 3993fa9e4066Sahrens 3994e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 3995e05725b1Sbonwick zl_ints, value) == 0); 3996fa9e4066Sahrens 3997e05725b1Sbonwick for (i = 0; i < ints; i++) { 3998e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 3999fa9e4066Sahrens } 4000e05725b1Sbonwick } else { 4001e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4002e05725b1Sbonwick } 4003fa9e4066Sahrens 4004e05725b1Sbonwick /* 4005e05725b1Sbonwick * Atomically update two entries in our zap object. 4006e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 4007e05725b1Sbonwick * in which the property was last updated. The second 4008e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 4009e05725b1Sbonwick * should be txg + object + n. 4010e05725b1Sbonwick */ 4011e05725b1Sbonwick tx = dmu_tx_create(os); 4012b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4013b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4014b24ab676SJeff Bonwick if (txg == 0) 4015e05725b1Sbonwick return; 4016fa9e4066Sahrens 4017e05725b1Sbonwick if (last_txg > txg) 4018e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 4019fa9e4066Sahrens 4020e05725b1Sbonwick for (i = 0; i < ints; i++) 4021e05725b1Sbonwick value[i] = txg + object + i; 4022fa9e4066Sahrens 4023b420f3adSRichard Lowe VERIFY3U(0, ==, zap_update(os, object, txgname, sizeof (uint64_t), 4024b24ab676SJeff Bonwick 1, &txg, tx)); 4025b420f3adSRichard Lowe VERIFY3U(0, ==, zap_update(os, object, propname, sizeof (uint64_t), 4026b24ab676SJeff Bonwick ints, value, tx)); 4027fa9e4066Sahrens 4028e05725b1Sbonwick dmu_tx_commit(tx); 4029fa9e4066Sahrens 4030e05725b1Sbonwick /* 4031e05725b1Sbonwick * Remove a random pair of entries. 4032e05725b1Sbonwick */ 4033e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 4034e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 4035e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 4036fa9e4066Sahrens 4037e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 4038fa9e4066Sahrens 4039e05725b1Sbonwick if (error == ENOENT) 4040e05725b1Sbonwick return; 4041fa9e4066Sahrens 4042*fb09f5aaSMadhav Suresh ASSERT0(error); 4043fa9e4066Sahrens 4044e05725b1Sbonwick tx = dmu_tx_create(os); 4045b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4046b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4047b24ab676SJeff Bonwick if (txg == 0) 404812a2833aSSanjeev Bagewadi return; 4049b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, txgname, tx)); 4050b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, propname, tx)); 405112a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 405212a2833aSSanjeev Bagewadi } 405312a2833aSSanjeev Bagewadi 405412a2833aSSanjeev Bagewadi /* 405512a2833aSSanjeev Bagewadi * Testcase to test the upgrading of a microzap to fatzap. 405612a2833aSSanjeev Bagewadi */ 405712a2833aSSanjeev Bagewadi void 4058b24ab676SJeff Bonwick ztest_fzap(ztest_ds_t *zd, uint64_t id) 405912a2833aSSanjeev Bagewadi { 4060b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4061b24ab676SJeff Bonwick ztest_od_t od[1]; 4062b24ab676SJeff Bonwick uint64_t object, txg; 406312a2833aSSanjeev Bagewadi 4064b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 406512a2833aSSanjeev Bagewadi 4066b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4067b24ab676SJeff Bonwick return; 406812a2833aSSanjeev Bagewadi 4069b24ab676SJeff Bonwick object = od[0].od_object; 407012a2833aSSanjeev Bagewadi 407112a2833aSSanjeev Bagewadi /* 4072b24ab676SJeff Bonwick * Add entries to this ZAP and make sure it spills over 407312a2833aSSanjeev Bagewadi * and gets upgraded to a fatzap. Also, since we are adding 4074b24ab676SJeff Bonwick * 2050 entries we should see ptrtbl growth and leaf-block split. 407512a2833aSSanjeev Bagewadi */ 4076b24ab676SJeff Bonwick for (int i = 0; i < 2050; i++) { 4077b24ab676SJeff Bonwick char name[MAXNAMELEN]; 4078b24ab676SJeff Bonwick uint64_t value = i; 4079b24ab676SJeff Bonwick dmu_tx_t *tx; 4080b24ab676SJeff Bonwick int error; 408112a2833aSSanjeev Bagewadi 4082b24ab676SJeff Bonwick (void) snprintf(name, sizeof (name), "fzap-%llu-%llu", 4083b24ab676SJeff Bonwick id, value); 408412a2833aSSanjeev Bagewadi 4085b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4086b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, name); 4087b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4088b24ab676SJeff Bonwick if (txg == 0) 408912a2833aSSanjeev Bagewadi return; 4090b24ab676SJeff Bonwick error = zap_add(os, object, name, sizeof (uint64_t), 1, 4091b24ab676SJeff Bonwick &value, tx); 409212a2833aSSanjeev Bagewadi ASSERT(error == 0 || error == EEXIST); 409312a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 409412a2833aSSanjeev Bagewadi } 4095fa9e4066Sahrens } 4096fa9e4066Sahrens 4097b24ab676SJeff Bonwick /* ARGSUSED */ 4098fa9e4066Sahrens void 4099b24ab676SJeff Bonwick ztest_zap_parallel(ztest_ds_t *zd, uint64_t id) 4100fa9e4066Sahrens { 4101b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4102b24ab676SJeff Bonwick ztest_od_t od[1]; 4103fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 4104fa9e4066Sahrens dmu_tx_t *tx; 4105fa9e4066Sahrens int i, namelen, error; 4106b24ab676SJeff Bonwick int micro = ztest_random(2); 4107fa9e4066Sahrens char name[20], string_value[20]; 4108fa9e4066Sahrens void *data; 4109fa9e4066Sahrens 4110b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, micro, DMU_OT_ZAP_OTHER, 0, 0); 4111b24ab676SJeff Bonwick 4112b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4113b24ab676SJeff Bonwick return; 4114b24ab676SJeff Bonwick 4115b24ab676SJeff Bonwick object = od[0].od_object; 4116b24ab676SJeff Bonwick 4117e05725b1Sbonwick /* 4118e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 4119e05725b1Sbonwick * x is a random printable character and the dots are dots. 4120e05725b1Sbonwick * There are 94 such characters, and the name length goes from 4121e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 4122e05725b1Sbonwick */ 4123e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 4124fa9e4066Sahrens 4125e05725b1Sbonwick for (i = 0; i < 3; i++) 4126e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 4127e05725b1Sbonwick for (; i < namelen - 1; i++) 4128e05725b1Sbonwick name[i] = '.'; 4129e05725b1Sbonwick name[i] = '\0'; 4130fa9e4066Sahrens 4131b24ab676SJeff Bonwick if ((namelen & 1) || micro) { 4132e05725b1Sbonwick wsize = sizeof (txg); 4133e05725b1Sbonwick wc = 1; 4134e05725b1Sbonwick data = &txg; 4135e05725b1Sbonwick } else { 4136e05725b1Sbonwick wsize = 1; 4137e05725b1Sbonwick wc = namelen; 4138e05725b1Sbonwick data = string_value; 4139e05725b1Sbonwick } 4140fa9e4066Sahrens 4141e05725b1Sbonwick count = -1ULL; 4142e05725b1Sbonwick VERIFY(zap_count(os, object, &count) == 0); 4143e05725b1Sbonwick ASSERT(count != -1ULL); 4144fa9e4066Sahrens 4145e05725b1Sbonwick /* 4146e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 4147e05725b1Sbonwick */ 4148e05725b1Sbonwick i = ztest_random(5); 4149e05725b1Sbonwick 4150e05725b1Sbonwick if (i >= 2) { 4151e05725b1Sbonwick tx = dmu_tx_create(os); 4152b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4153b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4154b24ab676SJeff Bonwick if (txg == 0) 4155e05725b1Sbonwick return; 4156e05725b1Sbonwick bcopy(name, string_value, namelen); 4157e05725b1Sbonwick } else { 4158e05725b1Sbonwick tx = NULL; 4159e05725b1Sbonwick txg = 0; 4160e05725b1Sbonwick bzero(string_value, namelen); 4161e05725b1Sbonwick } 4162fa9e4066Sahrens 4163e05725b1Sbonwick switch (i) { 4164fa9e4066Sahrens 4165e05725b1Sbonwick case 0: 4166e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 4167e05725b1Sbonwick if (error == 0) { 4168e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 4169e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 4170e05725b1Sbonwick } else { 4171e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4172e05725b1Sbonwick } 4173e05725b1Sbonwick break; 4174fa9e4066Sahrens 4175e05725b1Sbonwick case 1: 4176e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 4177e05725b1Sbonwick if (error == 0) { 4178e05725b1Sbonwick if (data == string_value && 4179e05725b1Sbonwick bcmp(name, data, namelen) != 0) 4180e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 4181e05725b1Sbonwick name, data, namelen); 4182e05725b1Sbonwick } else { 4183e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4184e05725b1Sbonwick } 4185e05725b1Sbonwick break; 4186fa9e4066Sahrens 4187e05725b1Sbonwick case 2: 4188e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 4189e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 4190e05725b1Sbonwick break; 4191fa9e4066Sahrens 4192e05725b1Sbonwick case 3: 4193e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 4194e05725b1Sbonwick break; 4195fa9e4066Sahrens 4196e05725b1Sbonwick case 4: 4197e05725b1Sbonwick error = zap_remove(os, object, name, tx); 4198e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 4199e05725b1Sbonwick break; 4200fa9e4066Sahrens } 4201e05725b1Sbonwick 4202e05725b1Sbonwick if (tx != NULL) 4203e05725b1Sbonwick dmu_tx_commit(tx); 4204fa9e4066Sahrens } 4205fa9e4066Sahrens 4206d20e665cSRicardo M. Correia /* 4207d20e665cSRicardo M. Correia * Commit callback data. 4208d20e665cSRicardo M. Correia */ 4209d20e665cSRicardo M. Correia typedef struct ztest_cb_data { 4210d20e665cSRicardo M. Correia list_node_t zcd_node; 4211d20e665cSRicardo M. Correia uint64_t zcd_txg; 4212d20e665cSRicardo M. Correia int zcd_expected_err; 4213d20e665cSRicardo M. Correia boolean_t zcd_added; 4214d20e665cSRicardo M. Correia boolean_t zcd_called; 4215d20e665cSRicardo M. Correia spa_t *zcd_spa; 4216d20e665cSRicardo M. Correia } ztest_cb_data_t; 4217d20e665cSRicardo M. Correia 4218d20e665cSRicardo M. Correia /* This is the actual commit callback function */ 4219d20e665cSRicardo M. Correia static void 4220d20e665cSRicardo M. Correia ztest_commit_callback(void *arg, int error) 4221d20e665cSRicardo M. Correia { 4222d20e665cSRicardo M. Correia ztest_cb_data_t *data = arg; 4223d20e665cSRicardo M. Correia uint64_t synced_txg; 4224d20e665cSRicardo M. Correia 4225d20e665cSRicardo M. Correia VERIFY(data != NULL); 4226d20e665cSRicardo M. Correia VERIFY3S(data->zcd_expected_err, ==, error); 4227d20e665cSRicardo M. Correia VERIFY(!data->zcd_called); 4228d20e665cSRicardo M. Correia 4229d20e665cSRicardo M. Correia synced_txg = spa_last_synced_txg(data->zcd_spa); 4230d20e665cSRicardo M. Correia if (data->zcd_txg > synced_txg) 4231d20e665cSRicardo M. Correia fatal(0, "commit callback of txg %" PRIu64 " called prematurely" 4232d20e665cSRicardo M. Correia ", last synced txg = %" PRIu64 "\n", data->zcd_txg, 4233d20e665cSRicardo M. Correia synced_txg); 4234d20e665cSRicardo M. Correia 4235d20e665cSRicardo M. Correia data->zcd_called = B_TRUE; 4236d20e665cSRicardo M. Correia 4237d20e665cSRicardo M. Correia if (error == ECANCELED) { 4238*fb09f5aaSMadhav Suresh ASSERT0(data->zcd_txg); 4239d20e665cSRicardo M. Correia ASSERT(!data->zcd_added); 4240d20e665cSRicardo M. Correia 4241d20e665cSRicardo M. Correia /* 4242d20e665cSRicardo M. Correia * The private callback data should be destroyed here, but 4243d20e665cSRicardo M. Correia * since we are going to check the zcd_called field after 4244d20e665cSRicardo M. Correia * dmu_tx_abort(), we will destroy it there. 4245d20e665cSRicardo M. Correia */ 4246d20e665cSRicardo M. Correia return; 4247d20e665cSRicardo M. Correia } 4248d20e665cSRicardo M. Correia 4249d20e665cSRicardo M. Correia /* Was this callback added to the global callback list? */ 4250d20e665cSRicardo M. Correia if (!data->zcd_added) 4251d20e665cSRicardo M. Correia goto out; 4252d20e665cSRicardo M. Correia 4253d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, !=, 0); 4254d20e665cSRicardo M. Correia 4255d20e665cSRicardo M. Correia /* Remove our callback from the list */ 4256d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4257d20e665cSRicardo M. Correia list_remove(&zcl.zcl_callbacks, data); 4258d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4259d20e665cSRicardo M. Correia 4260d20e665cSRicardo M. Correia out: 4261d20e665cSRicardo M. Correia umem_free(data, sizeof (ztest_cb_data_t)); 4262d20e665cSRicardo M. Correia } 4263d20e665cSRicardo M. Correia 4264d20e665cSRicardo M. Correia /* Allocate and initialize callback data structure */ 4265d20e665cSRicardo M. Correia static ztest_cb_data_t * 4266d20e665cSRicardo M. Correia ztest_create_cb_data(objset_t *os, uint64_t txg) 4267d20e665cSRicardo M. Correia { 4268d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data; 4269d20e665cSRicardo M. Correia 4270d20e665cSRicardo M. Correia cb_data = umem_zalloc(sizeof (ztest_cb_data_t), UMEM_NOFAIL); 4271d20e665cSRicardo M. Correia 4272d20e665cSRicardo M. Correia cb_data->zcd_txg = txg; 4273d20e665cSRicardo M. Correia cb_data->zcd_spa = dmu_objset_spa(os); 4274d20e665cSRicardo M. Correia 4275d20e665cSRicardo M. Correia return (cb_data); 4276d20e665cSRicardo M. Correia } 4277d20e665cSRicardo M. Correia 4278d20e665cSRicardo M. Correia /* 4279d20e665cSRicardo M. Correia * If a number of txgs equal to this threshold have been created after a commit 4280d20e665cSRicardo M. Correia * callback has been registered but not called, then we assume there is an 4281d20e665cSRicardo M. Correia * implementation bug. 4282d20e665cSRicardo M. Correia */ 4283d20e665cSRicardo M. Correia #define ZTEST_COMMIT_CALLBACK_THRESH (TXG_CONCURRENT_STATES + 2) 4284d20e665cSRicardo M. Correia 4285d20e665cSRicardo M. Correia /* 4286d20e665cSRicardo M. Correia * Commit callback test. 4287d20e665cSRicardo M. Correia */ 4288d20e665cSRicardo M. Correia void 4289b24ab676SJeff Bonwick ztest_dmu_commit_callbacks(ztest_ds_t *zd, uint64_t id) 4290d20e665cSRicardo M. Correia { 4291b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4292b24ab676SJeff Bonwick ztest_od_t od[1]; 4293d20e665cSRicardo M. Correia dmu_tx_t *tx; 4294d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data[3], *tmp_cb; 4295d20e665cSRicardo M. Correia uint64_t old_txg, txg; 4296d20e665cSRicardo M. Correia int i, error; 4297d20e665cSRicardo M. Correia 4298b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 4299b24ab676SJeff Bonwick 4300b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4301b24ab676SJeff Bonwick return; 4302b24ab676SJeff Bonwick 4303d20e665cSRicardo M. Correia tx = dmu_tx_create(os); 4304d20e665cSRicardo M. Correia 4305d20e665cSRicardo M. Correia cb_data[0] = ztest_create_cb_data(os, 0); 4306d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[0]); 4307d20e665cSRicardo M. Correia 4308b24ab676SJeff Bonwick dmu_tx_hold_write(tx, od[0].od_object, 0, sizeof (uint64_t)); 4309d20e665cSRicardo M. Correia 4310d20e665cSRicardo M. Correia /* Every once in a while, abort the transaction on purpose */ 4311d20e665cSRicardo M. Correia if (ztest_random(100) == 0) 4312d20e665cSRicardo M. Correia error = -1; 4313d20e665cSRicardo M. Correia 4314d20e665cSRicardo M. Correia if (!error) 4315d20e665cSRicardo M. Correia error = dmu_tx_assign(tx, TXG_NOWAIT); 4316d20e665cSRicardo M. Correia 4317d20e665cSRicardo M. Correia txg = error ? 0 : dmu_tx_get_txg(tx); 4318d20e665cSRicardo M. Correia 4319d20e665cSRicardo M. Correia cb_data[0]->zcd_txg = txg; 4320d20e665cSRicardo M. Correia cb_data[1] = ztest_create_cb_data(os, txg); 4321d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[1]); 4322d20e665cSRicardo M. Correia 4323d20e665cSRicardo M. Correia if (error) { 4324d20e665cSRicardo M. Correia /* 4325d20e665cSRicardo M. Correia * It's not a strict requirement to call the registered 4326d20e665cSRicardo M. Correia * callbacks from inside dmu_tx_abort(), but that's what 4327d20e665cSRicardo M. Correia * it's supposed to happen in the current implementation 4328d20e665cSRicardo M. Correia * so we will check for that. 4329d20e665cSRicardo M. Correia */ 4330d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4331d20e665cSRicardo M. Correia cb_data[i]->zcd_expected_err = ECANCELED; 4332d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4333d20e665cSRicardo M. Correia } 4334d20e665cSRicardo M. Correia 4335d20e665cSRicardo M. Correia dmu_tx_abort(tx); 4336d20e665cSRicardo M. Correia 4337d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4338d20e665cSRicardo M. Correia VERIFY(cb_data[i]->zcd_called); 4339d20e665cSRicardo M. Correia umem_free(cb_data[i], sizeof (ztest_cb_data_t)); 4340d20e665cSRicardo M. Correia } 4341d20e665cSRicardo M. Correia 4342d20e665cSRicardo M. Correia return; 4343d20e665cSRicardo M. Correia } 4344d20e665cSRicardo M. Correia 4345d20e665cSRicardo M. Correia cb_data[2] = ztest_create_cb_data(os, txg); 4346d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[2]); 4347d20e665cSRicardo M. Correia 4348d20e665cSRicardo M. Correia /* 4349d20e665cSRicardo M. Correia * Read existing data to make sure there isn't a future leak. 4350d20e665cSRicardo M. Correia */ 4351b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, od[0].od_object, 0, sizeof (uint64_t), 4352d20e665cSRicardo M. Correia &old_txg, DMU_READ_PREFETCH)); 4353d20e665cSRicardo M. Correia 4354d20e665cSRicardo M. Correia if (old_txg > txg) 4355d20e665cSRicardo M. Correia fatal(0, "future leak: got %" PRIu64 ", open txg is %" PRIu64, 4356d20e665cSRicardo M. Correia old_txg, txg); 4357d20e665cSRicardo M. Correia 4358b24ab676SJeff Bonwick dmu_write(os, od[0].od_object, 0, sizeof (uint64_t), &txg, tx); 4359d20e665cSRicardo M. Correia 4360d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4361d20e665cSRicardo M. Correia 4362d20e665cSRicardo M. Correia /* 4363d20e665cSRicardo M. Correia * Since commit callbacks don't have any ordering requirement and since 4364d20e665cSRicardo M. Correia * it is theoretically possible for a commit callback to be called 4365d20e665cSRicardo M. Correia * after an arbitrary amount of time has elapsed since its txg has been 4366d20e665cSRicardo M. Correia * synced, it is difficult to reliably determine whether a commit 4367d20e665cSRicardo M. Correia * callback hasn't been called due to high load or due to a flawed 4368d20e665cSRicardo M. Correia * implementation. 4369d20e665cSRicardo M. Correia * 4370d20e665cSRicardo M. Correia * In practice, we will assume that if after a certain number of txgs a 4371d20e665cSRicardo M. Correia * commit callback hasn't been called, then most likely there's an 4372d20e665cSRicardo M. Correia * implementation bug.. 4373d20e665cSRicardo M. Correia */ 4374d20e665cSRicardo M. Correia tmp_cb = list_head(&zcl.zcl_callbacks); 4375d20e665cSRicardo M. Correia if (tmp_cb != NULL && 4376d20e665cSRicardo M. Correia tmp_cb->zcd_txg > txg - ZTEST_COMMIT_CALLBACK_THRESH) { 4377d20e665cSRicardo M. Correia fatal(0, "Commit callback threshold exceeded, oldest txg: %" 4378d20e665cSRicardo M. Correia PRIu64 ", open txg: %" PRIu64 "\n", tmp_cb->zcd_txg, txg); 4379d20e665cSRicardo M. Correia } 4380d20e665cSRicardo M. Correia 4381d20e665cSRicardo M. Correia /* 4382d20e665cSRicardo M. Correia * Let's find the place to insert our callbacks. 4383d20e665cSRicardo M. Correia * 4384d20e665cSRicardo M. Correia * Even though the list is ordered by txg, it is possible for the 4385d20e665cSRicardo M. Correia * insertion point to not be the end because our txg may already be 4386d20e665cSRicardo M. Correia * quiescing at this point and other callbacks in the open txg 4387d20e665cSRicardo M. Correia * (from other objsets) may have sneaked in. 4388d20e665cSRicardo M. Correia */ 4389d20e665cSRicardo M. Correia tmp_cb = list_tail(&zcl.zcl_callbacks); 4390d20e665cSRicardo M. Correia while (tmp_cb != NULL && tmp_cb->zcd_txg > txg) 4391d20e665cSRicardo M. Correia tmp_cb = list_prev(&zcl.zcl_callbacks, tmp_cb); 4392d20e665cSRicardo M. Correia 4393d20e665cSRicardo M. Correia /* Add the 3 callbacks to the list */ 4394d20e665cSRicardo M. Correia for (i = 0; i < 3; i++) { 4395d20e665cSRicardo M. Correia if (tmp_cb == NULL) 4396d20e665cSRicardo M. Correia list_insert_head(&zcl.zcl_callbacks, cb_data[i]); 4397d20e665cSRicardo M. Correia else 4398d20e665cSRicardo M. Correia list_insert_after(&zcl.zcl_callbacks, tmp_cb, 4399d20e665cSRicardo M. Correia cb_data[i]); 4400d20e665cSRicardo M. Correia 4401d20e665cSRicardo M. Correia cb_data[i]->zcd_added = B_TRUE; 4402d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4403d20e665cSRicardo M. Correia 4404d20e665cSRicardo M. Correia tmp_cb = cb_data[i]; 4405d20e665cSRicardo M. Correia } 4406d20e665cSRicardo M. Correia 4407d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4408d20e665cSRicardo M. Correia 4409d20e665cSRicardo M. Correia dmu_tx_commit(tx); 4410d20e665cSRicardo M. Correia } 4411d20e665cSRicardo M. Correia 4412b24ab676SJeff Bonwick /* ARGSUSED */ 4413fa9e4066Sahrens void 4414b24ab676SJeff Bonwick ztest_dsl_prop_get_set(ztest_ds_t *zd, uint64_t id) 4415fa9e4066Sahrens { 4416b24ab676SJeff Bonwick zfs_prop_t proplist[] = { 4417b24ab676SJeff Bonwick ZFS_PROP_CHECKSUM, 4418b24ab676SJeff Bonwick ZFS_PROP_COMPRESSION, 4419b24ab676SJeff Bonwick ZFS_PROP_COPIES, 4420b24ab676SJeff Bonwick ZFS_PROP_DEDUP 4421b24ab676SJeff Bonwick }; 4422fa9e4066Sahrens 4423420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 4424fa9e4066Sahrens 4425b24ab676SJeff Bonwick for (int p = 0; p < sizeof (proplist) / sizeof (proplist[0]); p++) 4426b24ab676SJeff Bonwick (void) ztest_dsl_prop_set_uint64(zd->zd_name, proplist[p], 4427b24ab676SJeff Bonwick ztest_random_dsl_prop(proplist[p]), (int)ztest_random(2)); 4428fa9e4066Sahrens 4429420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4430b24ab676SJeff Bonwick } 4431fa9e4066Sahrens 4432b24ab676SJeff Bonwick /* ARGSUSED */ 4433b24ab676SJeff Bonwick void 4434b24ab676SJeff Bonwick ztest_spa_prop_get_set(ztest_ds_t *zd, uint64_t id) 4435b24ab676SJeff Bonwick { 4436b24ab676SJeff Bonwick nvlist_t *props = NULL; 4437ea8dc4b6Seschrock 4438420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 4439ea8dc4b6Seschrock 4440420dfc95SChris Siden (void) ztest_spa_prop_set_uint64(ZPOOL_PROP_DEDUPDITTO, 4441b24ab676SJeff Bonwick ZIO_DEDUPDITTO_MIN + ztest_random(ZIO_DEDUPDITTO_MIN)); 4442fa9e4066Sahrens 4443*fb09f5aaSMadhav Suresh VERIFY0(spa_prop_get(ztest_spa, &props)); 4444fa9e4066Sahrens 4445420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 4446b24ab676SJeff Bonwick dump_nvlist(props, 4); 4447fa9e4066Sahrens 4448b24ab676SJeff Bonwick nvlist_free(props); 4449fa9e4066Sahrens 4450420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4451fa9e4066Sahrens } 4452fa9e4066Sahrens 44535c987a37SChris Kirby /* 44545c987a37SChris Kirby * Test snapshot hold/release and deferred destroy. 44555c987a37SChris Kirby */ 44565c987a37SChris Kirby void 4457b24ab676SJeff Bonwick ztest_dmu_snapshot_hold(ztest_ds_t *zd, uint64_t id) 44585c987a37SChris Kirby { 44595c987a37SChris Kirby int error; 4460b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 44615c987a37SChris Kirby objset_t *origin; 44625c987a37SChris Kirby char snapname[100]; 44635c987a37SChris Kirby char fullname[100]; 44645c987a37SChris Kirby char clonename[100]; 44655c987a37SChris Kirby char tag[100]; 44665c987a37SChris Kirby char osname[MAXNAMELEN]; 44675c987a37SChris Kirby 4468420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 44695c987a37SChris Kirby 44705c987a37SChris Kirby dmu_objset_name(os, osname); 44715c987a37SChris Kirby 4472b24ab676SJeff Bonwick (void) snprintf(snapname, 100, "sh1_%llu", id); 44735c987a37SChris Kirby (void) snprintf(fullname, 100, "%s@%s", osname, snapname); 4474b24ab676SJeff Bonwick (void) snprintf(clonename, 100, "%s/ch1_%llu", osname, id); 4475b24ab676SJeff Bonwick (void) snprintf(tag, 100, "%tag_%llu", id); 44765c987a37SChris Kirby 44775c987a37SChris Kirby /* 44785c987a37SChris Kirby * Clean up from any previous run. 44795c987a37SChris Kirby */ 44805c987a37SChris Kirby (void) dmu_objset_destroy(clonename, B_FALSE); 44815c987a37SChris Kirby (void) dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 44825c987a37SChris Kirby (void) dmu_objset_destroy(fullname, B_FALSE); 44835c987a37SChris Kirby 44845c987a37SChris Kirby /* 44855c987a37SChris Kirby * Create snapshot, clone it, mark snap for deferred destroy, 44865c987a37SChris Kirby * destroy clone, verify snap was also destroyed. 44875c987a37SChris Kirby */ 44884445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, snapname); 44895c987a37SChris Kirby if (error) { 44905c987a37SChris Kirby if (error == ENOSPC) { 44915c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 44925c987a37SChris Kirby goto out; 44935c987a37SChris Kirby } 44945c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 44955c987a37SChris Kirby } 44965c987a37SChris Kirby 44975c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 44985c987a37SChris Kirby if (error) 44995c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 45005c987a37SChris Kirby 45015c987a37SChris Kirby error = dmu_objset_clone(clonename, dmu_objset_ds(origin), 0); 45025c987a37SChris Kirby dmu_objset_rele(origin, FTAG); 45035c987a37SChris Kirby if (error) { 45045c987a37SChris Kirby if (error == ENOSPC) { 45055c987a37SChris Kirby ztest_record_enospc("dmu_objset_clone"); 45065c987a37SChris Kirby goto out; 45075c987a37SChris Kirby } 45085c987a37SChris Kirby fatal(0, "dmu_objset_clone(%s) = %d", clonename, error); 45095c987a37SChris Kirby } 45105c987a37SChris Kirby 45115c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 45125c987a37SChris Kirby if (error) { 45135c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 45145c987a37SChris Kirby fullname, error); 45155c987a37SChris Kirby } 45165c987a37SChris Kirby 45175c987a37SChris Kirby error = dmu_objset_destroy(clonename, B_FALSE); 45185c987a37SChris Kirby if (error) 45195c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s) = %d", clonename, error); 45205c987a37SChris Kirby 45215c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 45225c987a37SChris Kirby if (error != ENOENT) 45235c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 45245c987a37SChris Kirby 45255c987a37SChris Kirby /* 45265c987a37SChris Kirby * Create snapshot, add temporary hold, verify that we can't 45275c987a37SChris Kirby * destroy a held snapshot, mark for deferred destroy, 45285c987a37SChris Kirby * release hold, verify snapshot was destroyed. 45295c987a37SChris Kirby */ 45304445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, snapname); 45315c987a37SChris Kirby if (error) { 45325c987a37SChris Kirby if (error == ENOSPC) { 45335c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 45345c987a37SChris Kirby goto out; 45355c987a37SChris Kirby } 45365c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 45375c987a37SChris Kirby } 45385c987a37SChris Kirby 4539c99e4bdcSChris Kirby error = dsl_dataset_user_hold(osname, snapname, tag, B_FALSE, 4540c99e4bdcSChris Kirby B_TRUE, -1); 45415c987a37SChris Kirby if (error) 45425c987a37SChris Kirby fatal(0, "dsl_dataset_user_hold(%s)", fullname, tag); 45435c987a37SChris Kirby 45445c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_FALSE); 45455c987a37SChris Kirby if (error != EBUSY) { 45465c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_FALSE) = %d", 45475c987a37SChris Kirby fullname, error); 45485c987a37SChris Kirby } 45495c987a37SChris Kirby 45505c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 45515c987a37SChris Kirby if (error) { 45525c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 45535c987a37SChris Kirby fullname, error); 45545c987a37SChris Kirby } 45555c987a37SChris Kirby 45565c987a37SChris Kirby error = dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 45575c987a37SChris Kirby if (error) 45585c987a37SChris Kirby fatal(0, "dsl_dataset_user_release(%s)", fullname, tag); 45595c987a37SChris Kirby 45605c987a37SChris Kirby VERIFY(dmu_objset_hold(fullname, FTAG, &origin) == ENOENT); 45615c987a37SChris Kirby 45625c987a37SChris Kirby out: 4563420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 45645c987a37SChris Kirby } 45655c987a37SChris Kirby 4566fa9e4066Sahrens /* 4567fa9e4066Sahrens * Inject random faults into the on-disk data. 4568fa9e4066Sahrens */ 4569b24ab676SJeff Bonwick /* ARGSUSED */ 4570fa9e4066Sahrens void 4571b24ab676SJeff Bonwick ztest_fault_inject(ztest_ds_t *zd, uint64_t id) 4572fa9e4066Sahrens { 4573b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4574420dfc95SChris Siden spa_t *spa = ztest_spa; 4575fa9e4066Sahrens int fd; 4576fa9e4066Sahrens uint64_t offset; 45771195e687SMark J Musante uint64_t leaves; 4578fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 4579fa9e4066Sahrens uint64_t top, leaf; 4580fa9e4066Sahrens char path0[MAXPATHLEN]; 4581fa9e4066Sahrens char pathrand[MAXPATHLEN]; 4582fa9e4066Sahrens size_t fsize; 4583fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 4584fa9e4066Sahrens int iters = 1000; 45851195e687SMark J Musante int maxfaults; 45861195e687SMark J Musante int mirror_save; 4587e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 4588ea8dc4b6Seschrock uint64_t guid0 = 0; 45898f18d1faSGeorge Wilson boolean_t islog = B_FALSE; 4590ea8dc4b6Seschrock 4591420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 45921195e687SMark J Musante maxfaults = MAXFAULTS(); 4593420dfc95SChris Siden leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz; 45941195e687SMark J Musante mirror_save = zs->zs_mirrors; 4595420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 45961195e687SMark J Musante 4597e14bb325SJeff Bonwick ASSERT(leaves >= 1); 4598fa9e4066Sahrens 4599fa9e4066Sahrens /* 4600e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 4601fa9e4066Sahrens */ 4602e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 4603fa9e4066Sahrens 4604e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 4605e14bb325SJeff Bonwick /* 4606b24ab676SJeff Bonwick * Inject errors on a normal data device or slog device. 4607e14bb325SJeff Bonwick */ 4608b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 46091195e687SMark J Musante leaf = ztest_random(leaves) + zs->zs_splits; 4610fa9e4066Sahrens 4611e14bb325SJeff Bonwick /* 4612e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 4613e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 4614e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 4615e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 4616e14bb325SJeff Bonwick */ 4617e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 4618420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 4619420dfc95SChris Siden top * leaves + zs->zs_splits); 4620e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 4621420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 4622420dfc95SChris Siden top * leaves + leaf); 4623fa9e4066Sahrens 4624e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 46258f18d1faSGeorge Wilson if (vd0 != NULL && vd0->vdev_top->vdev_islog) 46268f18d1faSGeorge Wilson islog = B_TRUE; 46278f18d1faSGeorge Wilson 4628e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 4629e14bb325SJeff Bonwick /* 4630e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 4631e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 4632e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 4633e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 4634e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 4635e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 4636e14bb325SJeff Bonwick * combination of this with injection of random data 4637e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 4638e14bb325SJeff Bonwick */ 4639e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 4640e14bb325SJeff Bonwick 4641e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 4642e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 4643e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 4644e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 4645e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 4646e14bb325SJeff Bonwick } else { 4647e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 4648e14bb325SJeff Bonwick } 4649e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 4650e14bb325SJeff Bonwick } 4651e14bb325SJeff Bonwick } else { 4652e14bb325SJeff Bonwick /* 4653e14bb325SJeff Bonwick * Inject errors on an l2cache device. 4654e14bb325SJeff Bonwick */ 4655e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 4656fa9e4066Sahrens 4657e14bb325SJeff Bonwick if (sav->sav_count == 0) { 4658e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4659e14bb325SJeff Bonwick return; 4660e14bb325SJeff Bonwick } 4661e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 4662ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 4663e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 4664e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 4665e14bb325SJeff Bonwick 4666e14bb325SJeff Bonwick leaf = 0; 4667e14bb325SJeff Bonwick leaves = 1; 4668e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 4669fa9e4066Sahrens } 4670fa9e4066Sahrens 4671e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4672e14bb325SJeff Bonwick 4673fa9e4066Sahrens /* 46748f18d1faSGeorge Wilson * If we can tolerate two or more faults, or we're dealing 46758f18d1faSGeorge Wilson * with a slog, randomly online/offline vd0. 4676fa9e4066Sahrens */ 46778f18d1faSGeorge Wilson if ((maxfaults >= 2 || islog) && guid0 != 0) { 46788ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 46798ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 46808ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 46818f18d1faSGeorge Wilson 46828f18d1faSGeorge Wilson /* 46838f18d1faSGeorge Wilson * We have to grab the zs_name_lock as writer to 46848f18d1faSGeorge Wilson * prevent a race between offlining a slog and 46858f18d1faSGeorge Wilson * destroying a dataset. Offlining the slog will 46868f18d1faSGeorge Wilson * grab a reference on the dataset which may cause 46878f18d1faSGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 46888f18d1faSGeorge Wilson * leaving the dataset in an inconsistent state. 46898f18d1faSGeorge Wilson */ 46908f18d1faSGeorge Wilson if (islog) 4691420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 46928f18d1faSGeorge Wilson 46938ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 46948f18d1faSGeorge Wilson 46958f18d1faSGeorge Wilson if (islog) 4696420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 46978ad4d6ddSJeff Bonwick } else { 46988ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 46998ad4d6ddSJeff Bonwick } 4700fa9e4066Sahrens } 4701fa9e4066Sahrens 47028f18d1faSGeorge Wilson if (maxfaults == 0) 47038f18d1faSGeorge Wilson return; 47048f18d1faSGeorge Wilson 4705fa9e4066Sahrens /* 4706ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 4707fa9e4066Sahrens */ 4708fa9e4066Sahrens fd = open(pathrand, O_RDWR); 4709fa9e4066Sahrens 4710fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 4711fa9e4066Sahrens return; 4712fa9e4066Sahrens 4713fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 4714fa9e4066Sahrens 4715fa9e4066Sahrens while (--iters != 0) { 4716fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 4717fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 4718fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 4719fa9e4066Sahrens 4720fa9e4066Sahrens if (offset >= fsize) 4721fa9e4066Sahrens continue; 4722fa9e4066Sahrens 4723420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 47241195e687SMark J Musante if (mirror_save != zs->zs_mirrors) { 4725420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 47261195e687SMark J Musante (void) close(fd); 47271195e687SMark J Musante return; 47281195e687SMark J Musante } 4729fa9e4066Sahrens 4730fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 4731fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 4732fa9e4066Sahrens offset, pathrand); 47331195e687SMark J Musante 4734420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 47351195e687SMark J Musante 4736420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) 47371195e687SMark J Musante (void) printf("injected bad word into %s," 47381195e687SMark J Musante " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 4739fa9e4066Sahrens } 4740fa9e4066Sahrens 4741fa9e4066Sahrens (void) close(fd); 4742fa9e4066Sahrens } 4743fa9e4066Sahrens 4744fa9e4066Sahrens /* 4745b24ab676SJeff Bonwick * Verify that DDT repair works as expected. 4746fa9e4066Sahrens */ 4747fa9e4066Sahrens void 4748b24ab676SJeff Bonwick ztest_ddt_repair(ztest_ds_t *zd, uint64_t id) 4749fa9e4066Sahrens { 4750b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4751420dfc95SChris Siden spa_t *spa = ztest_spa; 4752b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4753b24ab676SJeff Bonwick ztest_od_t od[1]; 4754b24ab676SJeff Bonwick uint64_t object, blocksize, txg, pattern, psize; 4755b24ab676SJeff Bonwick enum zio_checksum checksum = spa_dedup_checksum(spa); 4756b24ab676SJeff Bonwick dmu_buf_t *db; 4757b24ab676SJeff Bonwick dmu_tx_t *tx; 4758b24ab676SJeff Bonwick void *buf; 4759b24ab676SJeff Bonwick blkptr_t blk; 4760b24ab676SJeff Bonwick int copies = 2 * ZIO_DEDUPDITTO_MIN; 4761fa9e4066Sahrens 4762b24ab676SJeff Bonwick blocksize = ztest_random_blocksize(); 4763b24ab676SJeff Bonwick blocksize = MIN(blocksize, 2048); /* because we write so many */ 4764fa9e4066Sahrens 4765b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 4766fa9e4066Sahrens 4767b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4768b24ab676SJeff Bonwick return; 4769fa9e4066Sahrens 4770fa9e4066Sahrens /* 4771b24ab676SJeff Bonwick * Take the name lock as writer to prevent anyone else from changing 4772b24ab676SJeff Bonwick * the pool and dataset properies we need to maintain during this test. 4773fa9e4066Sahrens */ 4774420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 4775fa9e4066Sahrens 4776b24ab676SJeff Bonwick if (ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_DEDUP, checksum, 4777b24ab676SJeff Bonwick B_FALSE) != 0 || 4778b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_COPIES, 1, 4779b24ab676SJeff Bonwick B_FALSE) != 0) { 4780420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4781b24ab676SJeff Bonwick return; 4782b24ab676SJeff Bonwick } 4783b24ab676SJeff Bonwick 4784b24ab676SJeff Bonwick object = od[0].od_object; 4785b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 4786e9103aaeSGarrett D'Amore pattern = zs->zs_guid ^ dmu_objset_fsid_guid(os); 4787b24ab676SJeff Bonwick 4788b24ab676SJeff Bonwick ASSERT(object != 0); 4789b24ab676SJeff Bonwick 4790b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4791b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, 0, copies * blocksize); 4792b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 4793b24ab676SJeff Bonwick if (txg == 0) { 4794420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4795b24ab676SJeff Bonwick return; 4796b24ab676SJeff Bonwick } 4797fa9e4066Sahrens 4798fa9e4066Sahrens /* 4799b24ab676SJeff Bonwick * Write all the copies of our block. 4800fa9e4066Sahrens */ 4801b24ab676SJeff Bonwick for (int i = 0; i < copies; i++) { 4802b24ab676SJeff Bonwick uint64_t offset = i * blocksize; 480347cb52daSJeff Bonwick VERIFY(dmu_buf_hold(os, object, offset, FTAG, &db, 480447cb52daSJeff Bonwick DMU_READ_NO_PREFETCH) == 0); 4805b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 4806b24ab676SJeff Bonwick ASSERT(db->db_size == blocksize); 4807b24ab676SJeff Bonwick ASSERT(ztest_pattern_match(db->db_data, db->db_size, pattern) || 4808b24ab676SJeff Bonwick ztest_pattern_match(db->db_data, db->db_size, 0ULL)); 4809b24ab676SJeff Bonwick dmu_buf_will_fill(db, tx); 4810b24ab676SJeff Bonwick ztest_pattern_set(db->db_data, db->db_size, pattern); 4811b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4812b24ab676SJeff Bonwick } 4813fa9e4066Sahrens 4814b24ab676SJeff Bonwick dmu_tx_commit(tx); 4815b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), txg); 4816fa9e4066Sahrens 4817fa9e4066Sahrens /* 4818b24ab676SJeff Bonwick * Find out what block we got. 4819fa9e4066Sahrens */ 482047cb52daSJeff Bonwick VERIFY(dmu_buf_hold(os, object, 0, FTAG, &db, 482147cb52daSJeff Bonwick DMU_READ_NO_PREFETCH) == 0); 4822b24ab676SJeff Bonwick blk = *((dmu_buf_impl_t *)db)->db_blkptr; 4823b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4824fa9e4066Sahrens 4825fa9e4066Sahrens /* 4826b24ab676SJeff Bonwick * Damage the block. Dedup-ditto will save us when we read it later. 4827fa9e4066Sahrens */ 4828b24ab676SJeff Bonwick psize = BP_GET_PSIZE(&blk); 4829b24ab676SJeff Bonwick buf = zio_buf_alloc(psize); 4830b24ab676SJeff Bonwick ztest_pattern_set(buf, psize, ~pattern); 4831fa9e4066Sahrens 4832b24ab676SJeff Bonwick (void) zio_wait(zio_rewrite(NULL, spa, 0, &blk, 4833b24ab676SJeff Bonwick buf, psize, NULL, NULL, ZIO_PRIORITY_SYNC_WRITE, 4834b24ab676SJeff Bonwick ZIO_FLAG_CANFAIL | ZIO_FLAG_INDUCE_DAMAGE, NULL)); 4835fa9e4066Sahrens 4836b24ab676SJeff Bonwick zio_buf_free(buf, psize); 4837fa9e4066Sahrens 4838420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4839fa9e4066Sahrens } 4840fa9e4066Sahrens 4841fa9e4066Sahrens /* 4842b24ab676SJeff Bonwick * Scrub the pool. 4843fa9e4066Sahrens */ 4844b24ab676SJeff Bonwick /* ARGSUSED */ 4845b24ab676SJeff Bonwick void 4846b24ab676SJeff Bonwick ztest_scrub(ztest_ds_t *zd, uint64_t id) 4847fa9e4066Sahrens { 4848420dfc95SChris Siden spa_t *spa = ztest_spa; 4849fa9e4066Sahrens 48503f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 4851b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); /* wait a moment, then force a restart */ 48523f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 4853b24ab676SJeff Bonwick } 4854fa9e4066Sahrens 4855e9103aaeSGarrett D'Amore /* 4856e9103aaeSGarrett D'Amore * Change the guid for the pool. 4857e9103aaeSGarrett D'Amore */ 4858e9103aaeSGarrett D'Amore /* ARGSUSED */ 4859e9103aaeSGarrett D'Amore void 4860e9103aaeSGarrett D'Amore ztest_reguid(ztest_ds_t *zd, uint64_t id) 4861e9103aaeSGarrett D'Amore { 4862420dfc95SChris Siden spa_t *spa = ztest_spa; 4863e9103aaeSGarrett D'Amore uint64_t orig, load; 4864dfbb9432SGeorge Wilson int error; 4865e9103aaeSGarrett D'Amore 4866e9103aaeSGarrett D'Amore orig = spa_guid(spa); 4867e9103aaeSGarrett D'Amore load = spa_load_guid(spa); 4868dfbb9432SGeorge Wilson 4869dfbb9432SGeorge Wilson (void) rw_wrlock(&ztest_name_lock); 4870dfbb9432SGeorge Wilson error = spa_change_guid(spa); 4871dfbb9432SGeorge Wilson (void) rw_unlock(&ztest_name_lock); 4872dfbb9432SGeorge Wilson 4873dfbb9432SGeorge Wilson if (error != 0) 4874e9103aaeSGarrett D'Amore return; 4875e9103aaeSGarrett D'Amore 4876420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) { 4877e9103aaeSGarrett D'Amore (void) printf("Changed guid old %llu -> %llu\n", 4878e9103aaeSGarrett D'Amore (u_longlong_t)orig, (u_longlong_t)spa_guid(spa)); 4879e9103aaeSGarrett D'Amore } 4880e9103aaeSGarrett D'Amore 4881e9103aaeSGarrett D'Amore VERIFY3U(orig, !=, spa_guid(spa)); 4882e9103aaeSGarrett D'Amore VERIFY3U(load, ==, spa_load_guid(spa)); 4883e9103aaeSGarrett D'Amore } 4884e9103aaeSGarrett D'Amore 4885b24ab676SJeff Bonwick /* 4886b24ab676SJeff Bonwick * Rename the pool to a different name and then rename it back. 4887b24ab676SJeff Bonwick */ 4888b24ab676SJeff Bonwick /* ARGSUSED */ 4889b24ab676SJeff Bonwick void 4890b24ab676SJeff Bonwick ztest_spa_rename(ztest_ds_t *zd, uint64_t id) 4891b24ab676SJeff Bonwick { 4892b24ab676SJeff Bonwick char *oldname, *newname; 4893b24ab676SJeff Bonwick spa_t *spa; 4894fa9e4066Sahrens 4895420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 4896fa9e4066Sahrens 4897420dfc95SChris Siden oldname = ztest_opts.zo_pool; 4898b24ab676SJeff Bonwick newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 4899b24ab676SJeff Bonwick (void) strcpy(newname, oldname); 4900b24ab676SJeff Bonwick (void) strcat(newname, "_tmp"); 4901fa9e4066Sahrens 4902fa9e4066Sahrens /* 4903b24ab676SJeff Bonwick * Do the rename 4904fa9e4066Sahrens */ 4905b420f3adSRichard Lowe VERIFY3U(0, ==, spa_rename(oldname, newname)); 4906fa9e4066Sahrens 4907fa9e4066Sahrens /* 4908b24ab676SJeff Bonwick * Try to open it under the old name, which shouldn't exist 4909fa9e4066Sahrens */ 4910b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 4911fa9e4066Sahrens 4912fa9e4066Sahrens /* 4913b24ab676SJeff Bonwick * Open it under the new name and make sure it's still the same spa_t. 4914fa9e4066Sahrens */ 4915b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 4916fa9e4066Sahrens 4917420dfc95SChris Siden ASSERT(spa == ztest_spa); 4918b24ab676SJeff Bonwick spa_close(spa, FTAG); 4919fa9e4066Sahrens 4920b24ab676SJeff Bonwick /* 4921b24ab676SJeff Bonwick * Rename it back to the original 4922b24ab676SJeff Bonwick */ 4923b420f3adSRichard Lowe VERIFY3U(0, ==, spa_rename(newname, oldname)); 4924fa9e4066Sahrens 4925fa9e4066Sahrens /* 4926b24ab676SJeff Bonwick * Make sure it can still be opened 4927fa9e4066Sahrens */ 4928b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 4929fa9e4066Sahrens 4930420dfc95SChris Siden ASSERT(spa == ztest_spa); 4931b24ab676SJeff Bonwick spa_close(spa, FTAG); 4932fa9e4066Sahrens 4933b24ab676SJeff Bonwick umem_free(newname, strlen(newname) + 1); 4934b24ab676SJeff Bonwick 4935420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4936fa9e4066Sahrens } 4937fa9e4066Sahrens 4938b24ab676SJeff Bonwick /* 4939b24ab676SJeff Bonwick * Verify pool integrity by running zdb. 4940b24ab676SJeff Bonwick */ 4941fa9e4066Sahrens static void 4942b24ab676SJeff Bonwick ztest_run_zdb(char *pool) 4943fa9e4066Sahrens { 4944fa9e4066Sahrens int status; 4945fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 4946fa9e4066Sahrens char zbuf[1024]; 4947fa9e4066Sahrens char *bin; 49488654d025Sperrin char *ztest; 49498654d025Sperrin char *isa; 49508654d025Sperrin int isalen; 4951fa9e4066Sahrens FILE *fp; 4952fa9e4066Sahrens 4953fa9e4066Sahrens (void) realpath(getexecname(), zdb); 4954fa9e4066Sahrens 4955fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 4956fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 49578654d025Sperrin ztest = strstr(bin, "/ztest"); 49588654d025Sperrin isa = bin + 8; 49598654d025Sperrin isalen = ztest - isa; 49608654d025Sperrin isa = strdup(isa); 4961fa9e4066Sahrens /* LINTED */ 49623a57275aSck (void) sprintf(bin, 4963f0ba89beSJeff Bonwick "/usr/sbin%.*s/zdb -bcc%s%s -U %s %s", 49648654d025Sperrin isalen, 49658654d025Sperrin isa, 4966420dfc95SChris Siden ztest_opts.zo_verbose >= 3 ? "s" : "", 4967420dfc95SChris Siden ztest_opts.zo_verbose >= 4 ? "v" : "", 4968f0ba89beSJeff Bonwick spa_config_path, 496988b7b0f2SMatthew Ahrens pool); 49708654d025Sperrin free(isa); 4971fa9e4066Sahrens 4972420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) 4973fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 4974fa9e4066Sahrens 4975fa9e4066Sahrens fp = popen(zdb, "r"); 4976fa9e4066Sahrens 4977fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 4978420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 4979fa9e4066Sahrens (void) printf("%s", zbuf); 4980fa9e4066Sahrens 4981fa9e4066Sahrens status = pclose(fp); 4982fa9e4066Sahrens 4983fa9e4066Sahrens if (status == 0) 4984fa9e4066Sahrens return; 4985fa9e4066Sahrens 4986fa9e4066Sahrens ztest_dump_core = 0; 4987fa9e4066Sahrens if (WIFEXITED(status)) 4988fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 4989fa9e4066Sahrens else 4990fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 4991fa9e4066Sahrens } 4992fa9e4066Sahrens 4993fa9e4066Sahrens static void 4994fa9e4066Sahrens ztest_walk_pool_directory(char *header) 4995fa9e4066Sahrens { 4996fa9e4066Sahrens spa_t *spa = NULL; 4997fa9e4066Sahrens 4998420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 4999fa9e4066Sahrens (void) printf("%s\n", header); 5000fa9e4066Sahrens 5001fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 5002fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 5003420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5004fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 5005fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 5006fa9e4066Sahrens } 5007fa9e4066Sahrens 5008fa9e4066Sahrens static void 5009fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 5010fa9e4066Sahrens { 50118ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 5012fa9e4066Sahrens uint64_t pool_guid; 5013fa9e4066Sahrens spa_t *spa; 5014fa9e4066Sahrens 5015420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) { 5016fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 5017fa9e4066Sahrens oldname, newname); 5018fa9e4066Sahrens } 5019fa9e4066Sahrens 5020fa9e4066Sahrens /* 5021fa9e4066Sahrens * Clean up from previous runs. 5022fa9e4066Sahrens */ 5023fa9e4066Sahrens (void) spa_destroy(newname); 5024fa9e4066Sahrens 5025fa9e4066Sahrens /* 5026fa9e4066Sahrens * Get the pool's configuration and guid. 5027fa9e4066Sahrens */ 5028b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 5029fa9e4066Sahrens 50308ad4d6ddSJeff Bonwick /* 50318ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 50328ad4d6ddSJeff Bonwick */ 50338ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 50343f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 50358ad4d6ddSJeff Bonwick 5036fa9e4066Sahrens pool_guid = spa_guid(spa); 5037fa9e4066Sahrens spa_close(spa, FTAG); 5038fa9e4066Sahrens 5039fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 5040fa9e4066Sahrens 5041fa9e4066Sahrens /* 5042fa9e4066Sahrens * Export it. 5043fa9e4066Sahrens */ 5044b420f3adSRichard Lowe VERIFY3U(0, ==, spa_export(oldname, &config, B_FALSE, B_FALSE)); 5045fa9e4066Sahrens 5046fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 5047fa9e4066Sahrens 50488ad4d6ddSJeff Bonwick /* 50498ad4d6ddSJeff Bonwick * Try to import it. 50508ad4d6ddSJeff Bonwick */ 50518ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 50528ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 50538ad4d6ddSJeff Bonwick nvlist_free(newconfig); 50548ad4d6ddSJeff Bonwick 5055fa9e4066Sahrens /* 5056fa9e4066Sahrens * Import it under the new name. 5057fa9e4066Sahrens */ 5058b420f3adSRichard Lowe VERIFY3U(0, ==, spa_import(newname, config, NULL, 0)); 5059fa9e4066Sahrens 5060fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 5061fa9e4066Sahrens 5062fa9e4066Sahrens /* 5063fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 5064fa9e4066Sahrens */ 50654b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(newname, config, NULL, 0)); 5066fa9e4066Sahrens 5067fa9e4066Sahrens /* 5068fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 5069fa9e4066Sahrens */ 50704b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(oldname, config, NULL, 0)); 5071fa9e4066Sahrens 5072fa9e4066Sahrens /* 5073fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 5074fa9e4066Sahrens */ 5075b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 5076fa9e4066Sahrens 5077fa9e4066Sahrens /* 5078fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 5079fa9e4066Sahrens */ 5080b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 5081fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 5082fa9e4066Sahrens spa_close(spa, FTAG); 5083fa9e4066Sahrens 5084fa9e4066Sahrens nvlist_free(config); 5085fa9e4066Sahrens } 5086fa9e4066Sahrens 50878ad4d6ddSJeff Bonwick static void 50888ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 50898ad4d6ddSJeff Bonwick { 5090420dfc95SChris Siden if (spa_suspended(spa) && ztest_opts.zo_verbose >= 6) 5091b24ab676SJeff Bonwick (void) printf("resuming from suspended state\n"); 5092b24ab676SJeff Bonwick spa_vdev_state_enter(spa, SCL_NONE); 5093b24ab676SJeff Bonwick vdev_clear(spa, NULL); 5094b24ab676SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 5095b24ab676SJeff Bonwick (void) zio_resume(spa); 50968ad4d6ddSJeff Bonwick } 50978ad4d6ddSJeff Bonwick 50980a4e9518Sgw static void * 50998ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 51000a4e9518Sgw { 5101e14bb325SJeff Bonwick spa_t *spa = arg; 51020a4e9518Sgw 51030a4e9518Sgw while (!ztest_exiting) { 5104b24ab676SJeff Bonwick if (spa_suspended(spa)) 5105b24ab676SJeff Bonwick ztest_resume(spa); 5106b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 51070a4e9518Sgw } 51080a4e9518Sgw return (NULL); 51090a4e9518Sgw } 51100a4e9518Sgw 5111b24ab676SJeff Bonwick static void * 5112b24ab676SJeff Bonwick ztest_deadman_thread(void *arg) 5113b24ab676SJeff Bonwick { 5114b24ab676SJeff Bonwick ztest_shared_t *zs = arg; 5115b24ab676SJeff Bonwick int grace = 300; 5116b24ab676SJeff Bonwick hrtime_t delta; 5117b24ab676SJeff Bonwick 5118b24ab676SJeff Bonwick delta = (zs->zs_thread_stop - zs->zs_thread_start) / NANOSEC + grace; 5119b24ab676SJeff Bonwick 5120b24ab676SJeff Bonwick (void) poll(NULL, 0, (int)(1000 * delta)); 5121b24ab676SJeff Bonwick 5122b24ab676SJeff Bonwick fatal(0, "failed to complete within %d seconds of deadline", grace); 5123b24ab676SJeff Bonwick 5124b24ab676SJeff Bonwick return (NULL); 5125b24ab676SJeff Bonwick } 5126b24ab676SJeff Bonwick 5127b24ab676SJeff Bonwick static void 5128420dfc95SChris Siden ztest_execute(int test, ztest_info_t *zi, uint64_t id) 5129b24ab676SJeff Bonwick { 5130420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[id % ztest_opts.zo_datasets]; 5131420dfc95SChris Siden ztest_shared_callstate_t *zc = ZTEST_GET_SHARED_CALLSTATE(test); 5132b24ab676SJeff Bonwick hrtime_t functime = gethrtime(); 5133b24ab676SJeff Bonwick 5134b24ab676SJeff Bonwick for (int i = 0; i < zi->zi_iters; i++) 5135b24ab676SJeff Bonwick zi->zi_func(zd, id); 5136b24ab676SJeff Bonwick 5137b24ab676SJeff Bonwick functime = gethrtime() - functime; 5138b24ab676SJeff Bonwick 5139420dfc95SChris Siden atomic_add_64(&zc->zc_count, 1); 5140420dfc95SChris Siden atomic_add_64(&zc->zc_time, functime); 5141b24ab676SJeff Bonwick 5142420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) { 5143b24ab676SJeff Bonwick Dl_info dli; 5144b24ab676SJeff Bonwick (void) dladdr((void *)zi->zi_func, &dli); 5145b24ab676SJeff Bonwick (void) printf("%6.2f sec in %s\n", 5146b24ab676SJeff Bonwick (double)functime / NANOSEC, dli.dli_sname); 5147b24ab676SJeff Bonwick } 5148b24ab676SJeff Bonwick } 5149b24ab676SJeff Bonwick 5150fa9e4066Sahrens static void * 5151fa9e4066Sahrens ztest_thread(void *arg) 5152fa9e4066Sahrens { 5153420dfc95SChris Siden int rand; 5154b24ab676SJeff Bonwick uint64_t id = (uintptr_t)arg; 5155fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 5156b24ab676SJeff Bonwick uint64_t call_next; 5157b24ab676SJeff Bonwick hrtime_t now; 5158fa9e4066Sahrens ztest_info_t *zi; 5159420dfc95SChris Siden ztest_shared_callstate_t *zc; 5160fa9e4066Sahrens 5161b24ab676SJeff Bonwick while ((now = gethrtime()) < zs->zs_thread_stop) { 5162fa9e4066Sahrens /* 5163fa9e4066Sahrens * See if it's time to force a crash. 5164fa9e4066Sahrens */ 5165b24ab676SJeff Bonwick if (now > zs->zs_thread_kill) 5166b24ab676SJeff Bonwick ztest_kill(zs); 5167fa9e4066Sahrens 5168fa9e4066Sahrens /* 5169b24ab676SJeff Bonwick * If we're getting ENOSPC with some regularity, stop. 5170fa9e4066Sahrens */ 5171b24ab676SJeff Bonwick if (zs->zs_enospc_count > 10) 5172b24ab676SJeff Bonwick break; 5173fa9e4066Sahrens 5174fa9e4066Sahrens /* 5175b24ab676SJeff Bonwick * Pick a random function to execute. 5176fa9e4066Sahrens */ 5177420dfc95SChris Siden rand = ztest_random(ZTEST_FUNCS); 5178420dfc95SChris Siden zi = &ztest_info[rand]; 5179420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(rand); 5180420dfc95SChris Siden call_next = zc->zc_next; 5181b24ab676SJeff Bonwick 5182b24ab676SJeff Bonwick if (now >= call_next && 5183420dfc95SChris Siden atomic_cas_64(&zc->zc_next, call_next, call_next + 5184420dfc95SChris Siden ztest_random(2 * zi->zi_interval[0] + 1)) == call_next) { 5185420dfc95SChris Siden ztest_execute(rand, zi, id); 5186420dfc95SChris Siden } 5187b24ab676SJeff Bonwick } 5188fa9e4066Sahrens 5189b24ab676SJeff Bonwick return (NULL); 5190b24ab676SJeff Bonwick } 5191fa9e4066Sahrens 5192b24ab676SJeff Bonwick static void 5193b24ab676SJeff Bonwick ztest_dataset_name(char *dsname, char *pool, int d) 5194b24ab676SJeff Bonwick { 5195b24ab676SJeff Bonwick (void) snprintf(dsname, MAXNAMELEN, "%s/ds_%d", pool, d); 5196b24ab676SJeff Bonwick } 5197fa9e4066Sahrens 5198b24ab676SJeff Bonwick static void 5199420dfc95SChris Siden ztest_dataset_destroy(int d) 5200b24ab676SJeff Bonwick { 5201b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5202fa9e4066Sahrens 5203420dfc95SChris Siden ztest_dataset_name(name, ztest_opts.zo_pool, d); 5204fa9e4066Sahrens 5205420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5206b24ab676SJeff Bonwick (void) printf("Destroying %s to free up space\n", name); 5207fa9e4066Sahrens 5208b24ab676SJeff Bonwick /* 5209b24ab676SJeff Bonwick * Cleanup any non-standard clones and snapshots. In general, 5210b24ab676SJeff Bonwick * ztest thread t operates on dataset (t % zopt_datasets), 5211b24ab676SJeff Bonwick * so there may be more than one thing to clean up. 5212b24ab676SJeff Bonwick */ 5213420dfc95SChris Siden for (int t = d; t < ztest_opts.zo_threads; 5214420dfc95SChris Siden t += ztest_opts.zo_datasets) { 5215b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(name, t); 5216420dfc95SChris Siden } 5217fa9e4066Sahrens 5218b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 5219b24ab676SJeff Bonwick DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 5220b24ab676SJeff Bonwick } 5221b24ab676SJeff Bonwick 5222b24ab676SJeff Bonwick static void 5223b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(ztest_ds_t *zd) 5224b24ab676SJeff Bonwick { 5225b24ab676SJeff Bonwick uint64_t usedobjs, dirobjs, scratch; 5226b24ab676SJeff Bonwick 5227b24ab676SJeff Bonwick /* 5228b24ab676SJeff Bonwick * ZTEST_DIROBJ is the object directory for the entire dataset. 5229b24ab676SJeff Bonwick * Therefore, the number of objects in use should equal the 5230b24ab676SJeff Bonwick * number of ZTEST_DIROBJ entries, +1 for ZTEST_DIROBJ itself. 5231b24ab676SJeff Bonwick * If not, we have an object leak. 5232b24ab676SJeff Bonwick * 5233b24ab676SJeff Bonwick * Note that we can only check this in ztest_dataset_open(), 5234b24ab676SJeff Bonwick * when the open-context and syncing-context values agree. 5235b24ab676SJeff Bonwick * That's because zap_count() returns the open-context value, 5236b24ab676SJeff Bonwick * while dmu_objset_space() returns the rootbp fill count. 5237b24ab676SJeff Bonwick */ 5238b420f3adSRichard Lowe VERIFY3U(0, ==, zap_count(zd->zd_os, ZTEST_DIROBJ, &dirobjs)); 5239b24ab676SJeff Bonwick dmu_objset_space(zd->zd_os, &scratch, &scratch, &usedobjs, &scratch); 5240b24ab676SJeff Bonwick ASSERT3U(dirobjs + 1, ==, usedobjs); 5241b24ab676SJeff Bonwick } 5242b24ab676SJeff Bonwick 5243b24ab676SJeff Bonwick static int 5244420dfc95SChris Siden ztest_dataset_open(int d) 5245b24ab676SJeff Bonwick { 5246420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[d]; 5247420dfc95SChris Siden uint64_t committed_seq = ZTEST_GET_SHARED_DS(d)->zd_seq; 5248b24ab676SJeff Bonwick objset_t *os; 5249b24ab676SJeff Bonwick zilog_t *zilog; 5250b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5251b24ab676SJeff Bonwick int error; 5252b24ab676SJeff Bonwick 5253420dfc95SChris Siden ztest_dataset_name(name, ztest_opts.zo_pool, d); 5254b24ab676SJeff Bonwick 5255420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 5256b24ab676SJeff Bonwick 525755da60b9SMark J Musante error = ztest_dataset_create(name); 5258b24ab676SJeff Bonwick if (error == ENOSPC) { 5259420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5260b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 5261b24ab676SJeff Bonwick return (error); 5262fa9e4066Sahrens } 5263b24ab676SJeff Bonwick ASSERT(error == 0 || error == EEXIST); 5264fa9e4066Sahrens 5265*fb09f5aaSMadhav Suresh VERIFY0(dmu_objset_hold(name, zd, &os)); 5266420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5267b24ab676SJeff Bonwick 5268420dfc95SChris Siden ztest_zd_init(zd, ZTEST_GET_SHARED_DS(d), os); 5269b24ab676SJeff Bonwick 5270b24ab676SJeff Bonwick zilog = zd->zd_zilog; 5271b24ab676SJeff Bonwick 5272b24ab676SJeff Bonwick if (zilog->zl_header->zh_claim_lr_seq != 0 && 5273b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq < committed_seq) 5274b24ab676SJeff Bonwick fatal(0, "missing log records: claimed %llu < committed %llu", 5275b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq, committed_seq); 5276b24ab676SJeff Bonwick 5277b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5278b24ab676SJeff Bonwick 5279b24ab676SJeff Bonwick zil_replay(os, zd, ztest_replay_vector); 5280b24ab676SJeff Bonwick 5281b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5282b24ab676SJeff Bonwick 5283420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5284b24ab676SJeff Bonwick (void) printf("%s replay %llu blocks, %llu records, seq %llu\n", 5285b24ab676SJeff Bonwick zd->zd_name, 5286b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_blk_count, 5287b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_lr_count, 5288b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_replaying_seq); 5289b24ab676SJeff Bonwick 5290b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 5291b24ab676SJeff Bonwick 5292b24ab676SJeff Bonwick if (zilog->zl_replaying_seq != 0 && 5293b24ab676SJeff Bonwick zilog->zl_replaying_seq < committed_seq) 5294b24ab676SJeff Bonwick fatal(0, "missing log records: replayed %llu < committed %llu", 5295b24ab676SJeff Bonwick zilog->zl_replaying_seq, committed_seq); 5296b24ab676SJeff Bonwick 5297b24ab676SJeff Bonwick return (0); 5298b24ab676SJeff Bonwick } 5299b24ab676SJeff Bonwick 5300b24ab676SJeff Bonwick static void 5301420dfc95SChris Siden ztest_dataset_close(int d) 5302b24ab676SJeff Bonwick { 5303420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[d]; 5304b24ab676SJeff Bonwick 5305b24ab676SJeff Bonwick zil_close(zd->zd_zilog); 5306b24ab676SJeff Bonwick dmu_objset_rele(zd->zd_os, zd); 5307b24ab676SJeff Bonwick 5308b24ab676SJeff Bonwick ztest_zd_fini(zd); 5309fa9e4066Sahrens } 5310fa9e4066Sahrens 5311fa9e4066Sahrens /* 5312fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 5313fa9e4066Sahrens */ 5314fa9e4066Sahrens static void 5315b24ab676SJeff Bonwick ztest_run(ztest_shared_t *zs) 5316fa9e4066Sahrens { 5317b24ab676SJeff Bonwick thread_t *tid; 5318fa9e4066Sahrens spa_t *spa; 5319e9103aaeSGarrett D'Amore objset_t *os; 5320e14bb325SJeff Bonwick thread_t resume_tid; 5321b24ab676SJeff Bonwick int error; 5322e14bb325SJeff Bonwick 5323e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 5324fa9e4066Sahrens 5325fa9e4066Sahrens /* 5326b24ab676SJeff Bonwick * Initialize parent/child shared state. 5327fa9e4066Sahrens */ 5328420dfc95SChris Siden VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0); 5329420dfc95SChris Siden VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0); 5330fa9e4066Sahrens 5331b24ab676SJeff Bonwick zs->zs_thread_start = gethrtime(); 5332420dfc95SChris Siden zs->zs_thread_stop = 5333420dfc95SChris Siden zs->zs_thread_start + ztest_opts.zo_passtime * NANOSEC; 5334b24ab676SJeff Bonwick zs->zs_thread_stop = MIN(zs->zs_thread_stop, zs->zs_proc_stop); 5335b24ab676SJeff Bonwick zs->zs_thread_kill = zs->zs_thread_stop; 5336420dfc95SChris Siden if (ztest_random(100) < ztest_opts.zo_killrate) { 5337420dfc95SChris Siden zs->zs_thread_kill -= 5338420dfc95SChris Siden ztest_random(ztest_opts.zo_passtime * NANOSEC); 5339420dfc95SChris Siden } 5340fa9e4066Sahrens 5341b24ab676SJeff Bonwick (void) _mutex_init(&zcl.zcl_callbacks_lock, USYNC_THREAD, NULL); 5342fa9e4066Sahrens 5343b24ab676SJeff Bonwick list_create(&zcl.zcl_callbacks, sizeof (ztest_cb_data_t), 5344b24ab676SJeff Bonwick offsetof(ztest_cb_data_t, zcd_node)); 5345fa9e4066Sahrens 53460a4e9518Sgw /* 5347e14bb325SJeff Bonwick * Open our pool. 53480a4e9518Sgw */ 5349b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5350420dfc95SChris Siden VERIFY(spa_open(ztest_opts.zo_pool, &spa, FTAG) == 0); 535109c9d376SGeorge Wilson spa->spa_debug = B_TRUE; 5352420dfc95SChris Siden ztest_spa = spa; 5353b24ab676SJeff Bonwick 5354b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_hold(ztest_opts.zo_pool, FTAG, &os)); 5355e9103aaeSGarrett D'Amore zs->zs_guid = dmu_objset_fsid_guid(os); 5356e9103aaeSGarrett D'Amore dmu_objset_rele(os, FTAG); 5357e9103aaeSGarrett D'Amore 5358b24ab676SJeff Bonwick spa->spa_dedup_ditto = 2 * ZIO_DEDUPDITTO_MIN; 53590a4e9518Sgw 53608ad4d6ddSJeff Bonwick /* 53618ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 53628ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 53638ad4d6ddSJeff Bonwick * the only valid replica. 53648ad4d6ddSJeff Bonwick */ 53651195e687SMark J Musante if (MAXFAULTS() == 0) 53668ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 53678ad4d6ddSJeff Bonwick else 53688ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 53698ad4d6ddSJeff Bonwick 5370fa9e4066Sahrens /* 5371e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 5372fa9e4066Sahrens */ 53738ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 5374e14bb325SJeff Bonwick &resume_tid) == 0); 5375fa9e4066Sahrens 5376b24ab676SJeff Bonwick /* 5377b24ab676SJeff Bonwick * Create a deadman thread to abort() if we hang. 5378b24ab676SJeff Bonwick */ 5379b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_deadman_thread, zs, THR_BOUND, 5380b24ab676SJeff Bonwick NULL) == 0); 5381b24ab676SJeff Bonwick 5382fa9e4066Sahrens /* 5383fa9e4066Sahrens * Verify that we can safely inquire about about any object, 5384fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 5385fa9e4066Sahrens * we probe a 5-wide window around each power of two. 5386fa9e4066Sahrens * This hits all edge cases, including zero and the max. 5387fa9e4066Sahrens */ 5388b24ab676SJeff Bonwick for (int t = 0; t < 64; t++) { 5389b24ab676SJeff Bonwick for (int d = -5; d <= 5; d++) { 5390fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 5391fa9e4066Sahrens (1ULL << t) + d, NULL); 5392ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 5393ea8dc4b6Seschrock error == EINVAL); 5394fa9e4066Sahrens } 5395fa9e4066Sahrens } 5396fa9e4066Sahrens 5397fa9e4066Sahrens /* 5398b24ab676SJeff Bonwick * If we got any ENOSPC errors on the previous run, destroy something. 5399fa9e4066Sahrens */ 5400b24ab676SJeff Bonwick if (zs->zs_enospc_count != 0) { 5401420dfc95SChris Siden int d = ztest_random(ztest_opts.zo_datasets); 5402420dfc95SChris Siden ztest_dataset_destroy(d); 5403b24ab676SJeff Bonwick } 5404fa9e4066Sahrens zs->zs_enospc_count = 0; 5405fa9e4066Sahrens 5406420dfc95SChris Siden tid = umem_zalloc(ztest_opts.zo_threads * sizeof (thread_t), 5407420dfc95SChris Siden UMEM_NOFAIL); 5408fa9e4066Sahrens 5409420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) 5410fa9e4066Sahrens (void) printf("starting main threads...\n"); 5411fa9e4066Sahrens 5412b24ab676SJeff Bonwick /* 5413b24ab676SJeff Bonwick * Kick off all the tests that run in parallel. 5414b24ab676SJeff Bonwick */ 5415420dfc95SChris Siden for (int t = 0; t < ztest_opts.zo_threads; t++) { 5416420dfc95SChris Siden if (t < ztest_opts.zo_datasets && 5417420dfc95SChris Siden ztest_dataset_open(t) != 0) 5418b24ab676SJeff Bonwick return; 5419b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, (void *)(uintptr_t)t, 5420b24ab676SJeff Bonwick THR_BOUND, &tid[t]) == 0); 5421fa9e4066Sahrens } 5422fa9e4066Sahrens 5423b24ab676SJeff Bonwick /* 5424b24ab676SJeff Bonwick * Wait for all of the tests to complete. We go in reverse order 5425b24ab676SJeff Bonwick * so we don't close datasets while threads are still using them. 5426b24ab676SJeff Bonwick */ 5427420dfc95SChris Siden for (int t = ztest_opts.zo_threads - 1; t >= 0; t--) { 5428b24ab676SJeff Bonwick VERIFY(thr_join(tid[t], NULL, NULL) == 0); 5429420dfc95SChris Siden if (t < ztest_opts.zo_datasets) 5430420dfc95SChris Siden ztest_dataset_close(t); 5431fa9e4066Sahrens } 5432fa9e4066Sahrens 5433fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 5434fa9e4066Sahrens 5435b24ab676SJeff Bonwick zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 5436b24ab676SJeff Bonwick zs->zs_space = metaslab_class_get_space(spa_normal_class(spa)); 5437b24ab676SJeff Bonwick 5438420dfc95SChris Siden umem_free(tid, ztest_opts.zo_threads * sizeof (thread_t)); 5439b24ab676SJeff Bonwick 5440b24ab676SJeff Bonwick /* Kill the resume thread */ 5441b24ab676SJeff Bonwick ztest_exiting = B_TRUE; 5442b24ab676SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 5443b24ab676SJeff Bonwick ztest_resume(spa); 5444b24ab676SJeff Bonwick 5445b24ab676SJeff Bonwick /* 5446b24ab676SJeff Bonwick * Right before closing the pool, kick off a bunch of async I/O; 5447b24ab676SJeff Bonwick * spa_close() should wait for it to complete. 5448b24ab676SJeff Bonwick */ 5449b24ab676SJeff Bonwick for (uint64_t object = 1; object < 50; object++) 5450b24ab676SJeff Bonwick dmu_prefetch(spa->spa_meta_objset, object, 0, 1ULL << 20); 5451b24ab676SJeff Bonwick 5452b24ab676SJeff Bonwick spa_close(spa, FTAG); 5453fa9e4066Sahrens 5454fa9e4066Sahrens /* 5455b24ab676SJeff Bonwick * Verify that we can loop over all pools. 5456fa9e4066Sahrens */ 5457b24ab676SJeff Bonwick mutex_enter(&spa_namespace_lock); 5458b24ab676SJeff Bonwick for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) 5459420dfc95SChris Siden if (ztest_opts.zo_verbose > 3) 5460b24ab676SJeff Bonwick (void) printf("spa_next: found %s\n", spa_name(spa)); 5461b24ab676SJeff Bonwick mutex_exit(&spa_namespace_lock); 5462b24ab676SJeff Bonwick 5463b24ab676SJeff Bonwick /* 5464b24ab676SJeff Bonwick * Verify that we can export the pool and reimport it under a 5465b24ab676SJeff Bonwick * different name. 5466b24ab676SJeff Bonwick */ 5467b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 5468b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5469420dfc95SChris Siden (void) snprintf(name, MAXNAMELEN, "%s_import", 5470420dfc95SChris Siden ztest_opts.zo_pool); 5471420dfc95SChris Siden ztest_spa_import_export(ztest_opts.zo_pool, name); 5472420dfc95SChris Siden ztest_spa_import_export(name, ztest_opts.zo_pool); 5473b24ab676SJeff Bonwick } 5474b24ab676SJeff Bonwick 5475b24ab676SJeff Bonwick kernel_fini(); 547626cb54a9SGeorge Wilson 547726cb54a9SGeorge Wilson list_destroy(&zcl.zcl_callbacks); 547826cb54a9SGeorge Wilson 547926cb54a9SGeorge Wilson (void) _mutex_destroy(&zcl.zcl_callbacks_lock); 548026cb54a9SGeorge Wilson 5481420dfc95SChris Siden (void) rwlock_destroy(&ztest_name_lock); 5482420dfc95SChris Siden (void) _mutex_destroy(&ztest_vdev_lock); 5483b24ab676SJeff Bonwick } 5484b24ab676SJeff Bonwick 5485b24ab676SJeff Bonwick static void 5486420dfc95SChris Siden ztest_freeze(void) 5487b24ab676SJeff Bonwick { 5488420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[0]; 5489b24ab676SJeff Bonwick spa_t *spa; 54902215e990SMark J Musante int numloops = 0; 5491b24ab676SJeff Bonwick 5492420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5493b24ab676SJeff Bonwick (void) printf("testing spa_freeze()...\n"); 5494718d718aSGeorge Wilson 5495b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5496b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5497b420f3adSRichard Lowe VERIFY3U(0, ==, ztest_dataset_open(0)); 5498718d718aSGeorge Wilson 5499b24ab676SJeff Bonwick /* 5500b24ab676SJeff Bonwick * Force the first log block to be transactionally allocated. 5501b24ab676SJeff Bonwick * We have to do this before we freeze the pool -- otherwise 5502b24ab676SJeff Bonwick * the log chain won't be anchored. 5503b24ab676SJeff Bonwick */ 5504b24ab676SJeff Bonwick while (BP_IS_HOLE(&zd->zd_zilog->zl_header->zh_log)) { 5505b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 55065002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5507fa9e4066Sahrens } 5508fa9e4066Sahrens 5509ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 5510fa9e4066Sahrens 5511b24ab676SJeff Bonwick /* 5512b24ab676SJeff Bonwick * Freeze the pool. This stops spa_sync() from doing anything, 5513b24ab676SJeff Bonwick * so that the only way to record changes from now on is the ZIL. 5514b24ab676SJeff Bonwick */ 5515b24ab676SJeff Bonwick spa_freeze(spa); 5516e14bb325SJeff Bonwick 5517b24ab676SJeff Bonwick /* 5518b24ab676SJeff Bonwick * Run tests that generate log records but don't alter the pool config 5519b24ab676SJeff Bonwick * or depend on DSL sync tasks (snapshots, objset create/destroy, etc). 5520b24ab676SJeff Bonwick * We do a txg_wait_synced() after each iteration to force the txg 5521b24ab676SJeff Bonwick * to increase well beyond the last synced value in the uberblock. 5522b24ab676SJeff Bonwick * The ZIL should be OK with that. 5523b24ab676SJeff Bonwick */ 5524420dfc95SChris Siden while (ztest_random(10) != 0 && 5525420dfc95SChris Siden numloops++ < ztest_opts.zo_maxloops) { 5526b24ab676SJeff Bonwick ztest_dmu_write_parallel(zd, 0); 5527b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 5528b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5529b24ab676SJeff Bonwick } 5530e14bb325SJeff Bonwick 5531fa9e4066Sahrens /* 5532b24ab676SJeff Bonwick * Commit all of the changes we just generated. 5533fa9e4066Sahrens */ 55345002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5535b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5536fa9e4066Sahrens 5537b24ab676SJeff Bonwick /* 5538b24ab676SJeff Bonwick * Close our dataset and close the pool. 5539b24ab676SJeff Bonwick */ 5540420dfc95SChris Siden ztest_dataset_close(0); 5541e05725b1Sbonwick spa_close(spa, FTAG); 5542b24ab676SJeff Bonwick kernel_fini(); 5543e05725b1Sbonwick 5544b24ab676SJeff Bonwick /* 5545b24ab676SJeff Bonwick * Open and close the pool and dataset to induce log replay. 5546b24ab676SJeff Bonwick */ 5547b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5548b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5549ce636f8bSMatthew Ahrens ASSERT(spa_freeze_txg(spa) == UINT64_MAX); 5550b420f3adSRichard Lowe VERIFY3U(0, ==, ztest_dataset_open(0)); 5551420dfc95SChris Siden ztest_dataset_close(0); 5552dfbb9432SGeorge Wilson 5553dfbb9432SGeorge Wilson spa->spa_debug = B_TRUE; 5554dfbb9432SGeorge Wilson ztest_spa = spa; 5555dfbb9432SGeorge Wilson txg_wait_synced(spa_get_dsl(spa), 0); 5556dfbb9432SGeorge Wilson ztest_reguid(NULL, 0); 5557dfbb9432SGeorge Wilson 5558b24ab676SJeff Bonwick spa_close(spa, FTAG); 5559fa9e4066Sahrens kernel_fini(); 5560fa9e4066Sahrens } 5561fa9e4066Sahrens 5562fa9e4066Sahrens void 5563fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 5564fa9e4066Sahrens { 5565fa9e4066Sahrens hrtime_t s = t / NANOSEC; 5566fa9e4066Sahrens hrtime_t m = s / 60; 5567fa9e4066Sahrens hrtime_t h = m / 60; 5568fa9e4066Sahrens hrtime_t d = h / 24; 5569fa9e4066Sahrens 5570fa9e4066Sahrens s -= m * 60; 5571fa9e4066Sahrens m -= h * 60; 5572fa9e4066Sahrens h -= d * 24; 5573fa9e4066Sahrens 5574fa9e4066Sahrens timebuf[0] = '\0'; 5575fa9e4066Sahrens 5576fa9e4066Sahrens if (d) 5577fa9e4066Sahrens (void) sprintf(timebuf, 5578fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 5579fa9e4066Sahrens else if (h) 5580fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 5581fa9e4066Sahrens else if (m) 5582fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 5583fa9e4066Sahrens else 5584fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 5585fa9e4066Sahrens } 5586fa9e4066Sahrens 55871195e687SMark J Musante static nvlist_t * 55881195e687SMark J Musante make_random_props() 55891195e687SMark J Musante { 55901195e687SMark J Musante nvlist_t *props; 55911195e687SMark J Musante 55921195e687SMark J Musante VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 5593ad135b5dSChristopher Siden if (ztest_random(2) == 0) 5594ad135b5dSChristopher Siden return (props); 55951195e687SMark J Musante VERIFY(nvlist_add_uint64(props, "autoreplace", 1) == 0); 55961195e687SMark J Musante 55971195e687SMark J Musante return (props); 55981195e687SMark J Musante } 55991195e687SMark J Musante 5600fa9e4066Sahrens /* 5601fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 5602b24ab676SJeff Bonwick * Then test spa_freeze() functionality. 5603fa9e4066Sahrens */ 5604fa9e4066Sahrens static void 5605b24ab676SJeff Bonwick ztest_init(ztest_shared_t *zs) 5606fa9e4066Sahrens { 5607fa9e4066Sahrens spa_t *spa; 56081195e687SMark J Musante nvlist_t *nvroot, *props; 5609fa9e4066Sahrens 5610420dfc95SChris Siden VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0); 5611420dfc95SChris Siden VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0); 5612b24ab676SJeff Bonwick 5613fa9e4066Sahrens kernel_init(FREAD | FWRITE); 5614fa9e4066Sahrens 5615fa9e4066Sahrens /* 5616fa9e4066Sahrens * Create the storage pool. 5617fa9e4066Sahrens */ 5618420dfc95SChris Siden (void) spa_destroy(ztest_opts.zo_pool); 561988ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = 0; 56201195e687SMark J Musante zs->zs_splits = 0; 5621420dfc95SChris Siden zs->zs_mirrors = ztest_opts.zo_mirrors; 5622420dfc95SChris Siden nvroot = make_vdev_root(NULL, NULL, ztest_opts.zo_vdev_size, 0, 5623420dfc95SChris Siden 0, ztest_opts.zo_raidz, zs->zs_mirrors, 1); 56241195e687SMark J Musante props = make_random_props(); 5625ad135b5dSChristopher Siden for (int i = 0; i < SPA_FEATURES; i++) { 5626ad135b5dSChristopher Siden char buf[1024]; 5627ad135b5dSChristopher Siden (void) snprintf(buf, sizeof (buf), "feature@%s", 5628ad135b5dSChristopher Siden spa_feature_table[i].fi_uname); 5629b420f3adSRichard Lowe VERIFY3U(0, ==, nvlist_add_uint64(props, buf, 0)); 5630ad135b5dSChristopher Siden } 5631b420f3adSRichard Lowe VERIFY3U(0, ==, spa_create(ztest_opts.zo_pool, nvroot, props, NULL)); 5632fa9e4066Sahrens nvlist_free(nvroot); 5633fa9e4066Sahrens 5634b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5635420dfc95SChris Siden zs->zs_metaslab_sz = 5636420dfc95SChris Siden 1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift; 5637ad135b5dSChristopher Siden 5638fa9e4066Sahrens spa_close(spa, FTAG); 5639fa9e4066Sahrens 5640fa9e4066Sahrens kernel_fini(); 5641b24ab676SJeff Bonwick 5642420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5643420dfc95SChris Siden 5644420dfc95SChris Siden ztest_freeze(); 5645420dfc95SChris Siden 5646420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5647420dfc95SChris Siden 5648420dfc95SChris Siden (void) rwlock_destroy(&ztest_name_lock); 5649420dfc95SChris Siden (void) _mutex_destroy(&ztest_vdev_lock); 5650420dfc95SChris Siden } 5651420dfc95SChris Siden 5652420dfc95SChris Siden static void 5653420dfc95SChris Siden setup_fds(void) 5654420dfc95SChris Siden { 5655420dfc95SChris Siden int fd; 5656420dfc95SChris Siden 5657420dfc95SChris Siden char *tmp = tempnam(NULL, NULL); 5658420dfc95SChris Siden fd = open(tmp, O_RDWR | O_CREAT, 0700); 5659420dfc95SChris Siden ASSERT3U(fd, ==, ZTEST_FD_DATA); 5660420dfc95SChris Siden (void) unlink(tmp); 5661420dfc95SChris Siden free(tmp); 5662420dfc95SChris Siden 5663420dfc95SChris Siden fd = open("/dev/urandom", O_RDONLY); 5664420dfc95SChris Siden ASSERT3U(fd, ==, ZTEST_FD_RAND); 5665420dfc95SChris Siden } 5666420dfc95SChris Siden 5667ad135b5dSChristopher Siden static int 5668ad135b5dSChristopher Siden shared_data_size(ztest_shared_hdr_t *hdr) 5669ad135b5dSChristopher Siden { 5670ad135b5dSChristopher Siden int size; 5671ad135b5dSChristopher Siden 5672ad135b5dSChristopher Siden size = hdr->zh_hdr_size; 5673ad135b5dSChristopher Siden size += hdr->zh_opts_size; 5674ad135b5dSChristopher Siden size += hdr->zh_size; 5675ad135b5dSChristopher Siden size += hdr->zh_stats_size * hdr->zh_stats_count; 5676ad135b5dSChristopher Siden size += hdr->zh_ds_size * hdr->zh_ds_count; 5677ad135b5dSChristopher Siden 5678ad135b5dSChristopher Siden return (size); 5679ad135b5dSChristopher Siden } 5680ad135b5dSChristopher Siden 5681420dfc95SChris Siden static void 5682420dfc95SChris Siden setup_hdr(void) 5683420dfc95SChris Siden { 5684ad135b5dSChristopher Siden int size; 5685420dfc95SChris Siden ztest_shared_hdr_t *hdr; 5686420dfc95SChris Siden 5687420dfc95SChris Siden hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()), 5688420dfc95SChris Siden PROT_READ | PROT_WRITE, MAP_SHARED, ZTEST_FD_DATA, 0); 5689420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5690420dfc95SChris Siden 5691b420f3adSRichard Lowe VERIFY3U(0, ==, ftruncate(ZTEST_FD_DATA, sizeof (ztest_shared_hdr_t))); 5692ad135b5dSChristopher Siden 5693420dfc95SChris Siden hdr->zh_hdr_size = sizeof (ztest_shared_hdr_t); 5694420dfc95SChris Siden hdr->zh_opts_size = sizeof (ztest_shared_opts_t); 5695420dfc95SChris Siden hdr->zh_size = sizeof (ztest_shared_t); 5696420dfc95SChris Siden hdr->zh_stats_size = sizeof (ztest_shared_callstate_t); 5697420dfc95SChris Siden hdr->zh_stats_count = ZTEST_FUNCS; 5698420dfc95SChris Siden hdr->zh_ds_size = sizeof (ztest_shared_ds_t); 5699420dfc95SChris Siden hdr->zh_ds_count = ztest_opts.zo_datasets; 5700420dfc95SChris Siden 5701ad135b5dSChristopher Siden size = shared_data_size(hdr); 5702b420f3adSRichard Lowe VERIFY3U(0, ==, ftruncate(ZTEST_FD_DATA, size)); 5703ad135b5dSChristopher Siden 5704420dfc95SChris Siden (void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize())); 5705420dfc95SChris Siden } 5706420dfc95SChris Siden 5707420dfc95SChris Siden static void 5708420dfc95SChris Siden setup_data(void) 5709420dfc95SChris Siden { 5710420dfc95SChris Siden int size, offset; 5711420dfc95SChris Siden ztest_shared_hdr_t *hdr; 5712420dfc95SChris Siden uint8_t *buf; 5713420dfc95SChris Siden 5714420dfc95SChris Siden hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()), 5715420dfc95SChris Siden PROT_READ, MAP_SHARED, ZTEST_FD_DATA, 0); 5716420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5717420dfc95SChris Siden 5718ad135b5dSChristopher Siden size = shared_data_size(hdr); 5719420dfc95SChris Siden 5720420dfc95SChris Siden (void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize())); 5721420dfc95SChris Siden hdr = ztest_shared_hdr = (void *)mmap(0, P2ROUNDUP(size, getpagesize()), 5722420dfc95SChris Siden PROT_READ | PROT_WRITE, MAP_SHARED, ZTEST_FD_DATA, 0); 5723420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5724420dfc95SChris Siden buf = (uint8_t *)hdr; 5725420dfc95SChris Siden 5726420dfc95SChris Siden offset = hdr->zh_hdr_size; 5727420dfc95SChris Siden ztest_shared_opts = (void *)&buf[offset]; 5728420dfc95SChris Siden offset += hdr->zh_opts_size; 5729420dfc95SChris Siden ztest_shared = (void *)&buf[offset]; 5730420dfc95SChris Siden offset += hdr->zh_size; 5731420dfc95SChris Siden ztest_shared_callstate = (void *)&buf[offset]; 5732420dfc95SChris Siden offset += hdr->zh_stats_size * hdr->zh_stats_count; 5733420dfc95SChris Siden ztest_shared_ds = (void *)&buf[offset]; 5734420dfc95SChris Siden } 5735420dfc95SChris Siden 5736420dfc95SChris Siden static boolean_t 5737420dfc95SChris Siden exec_child(char *cmd, char *libpath, boolean_t ignorekill, int *statusp) 5738420dfc95SChris Siden { 5739420dfc95SChris Siden pid_t pid; 5740420dfc95SChris Siden int status; 5741420dfc95SChris Siden char cmdbuf[MAXPATHLEN]; 5742420dfc95SChris Siden 5743420dfc95SChris Siden pid = fork(); 5744420dfc95SChris Siden 5745420dfc95SChris Siden if (cmd == NULL) { 5746420dfc95SChris Siden (void) strlcpy(cmdbuf, getexecname(), sizeof (cmdbuf)); 5747420dfc95SChris Siden cmd = cmdbuf; 5748420dfc95SChris Siden } 5749b24ab676SJeff Bonwick 5750420dfc95SChris Siden if (pid == -1) 5751420dfc95SChris Siden fatal(1, "fork failed"); 5752b24ab676SJeff Bonwick 5753420dfc95SChris Siden if (pid == 0) { /* child */ 5754420dfc95SChris Siden char *emptyargv[2] = { cmd, NULL }; 575526cb54a9SGeorge Wilson 5756420dfc95SChris Siden struct rlimit rl = { 1024, 1024 }; 5757420dfc95SChris Siden (void) setrlimit(RLIMIT_NOFILE, &rl); 5758420dfc95SChris Siden (void) enable_extended_FILE_stdio(-1, -1); 5759420dfc95SChris Siden if (libpath != NULL) 5760420dfc95SChris Siden VERIFY(0 == setenv("LD_LIBRARY_PATH", libpath, 1)); 5761420dfc95SChris Siden (void) execv(cmd, emptyargv); 5762420dfc95SChris Siden ztest_dump_core = B_FALSE; 5763420dfc95SChris Siden fatal(B_TRUE, "exec failed: %s", cmd); 5764420dfc95SChris Siden } 5765420dfc95SChris Siden 5766420dfc95SChris Siden while (waitpid(pid, &status, 0) != pid) 5767420dfc95SChris Siden continue; 5768420dfc95SChris Siden if (statusp != NULL) 5769420dfc95SChris Siden *statusp = status; 5770420dfc95SChris Siden 5771420dfc95SChris Siden if (WIFEXITED(status)) { 5772420dfc95SChris Siden if (WEXITSTATUS(status) != 0) { 5773420dfc95SChris Siden (void) fprintf(stderr, "child exited with code %d\n", 5774420dfc95SChris Siden WEXITSTATUS(status)); 5775420dfc95SChris Siden exit(2); 5776420dfc95SChris Siden } 5777420dfc95SChris Siden return (B_FALSE); 5778420dfc95SChris Siden } else if (WIFSIGNALED(status)) { 5779420dfc95SChris Siden if (!ignorekill || WTERMSIG(status) != SIGKILL) { 5780420dfc95SChris Siden (void) fprintf(stderr, "child died with signal %d\n", 5781420dfc95SChris Siden WTERMSIG(status)); 5782420dfc95SChris Siden exit(3); 5783420dfc95SChris Siden } 5784420dfc95SChris Siden return (B_TRUE); 5785420dfc95SChris Siden } else { 5786420dfc95SChris Siden (void) fprintf(stderr, "something strange happened to child\n"); 5787420dfc95SChris Siden exit(4); 5788420dfc95SChris Siden /* NOTREACHED */ 5789420dfc95SChris Siden } 5790420dfc95SChris Siden } 5791420dfc95SChris Siden 5792420dfc95SChris Siden static void 5793420dfc95SChris Siden ztest_run_init(void) 5794420dfc95SChris Siden { 5795420dfc95SChris Siden ztest_shared_t *zs = ztest_shared; 5796420dfc95SChris Siden 5797420dfc95SChris Siden ASSERT(ztest_opts.zo_init != 0); 5798420dfc95SChris Siden 5799420dfc95SChris Siden /* 5800420dfc95SChris Siden * Blow away any existing copy of zpool.cache 5801420dfc95SChris Siden */ 5802420dfc95SChris Siden (void) remove(spa_config_path); 5803420dfc95SChris Siden 5804420dfc95SChris Siden /* 5805420dfc95SChris Siden * Create and initialize our storage pool. 5806420dfc95SChris Siden */ 5807420dfc95SChris Siden for (int i = 1; i <= ztest_opts.zo_init; i++) { 5808420dfc95SChris Siden bzero(zs, sizeof (ztest_shared_t)); 5809420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3 && 5810420dfc95SChris Siden ztest_opts.zo_init != 1) { 5811420dfc95SChris Siden (void) printf("ztest_init(), pass %d\n", i); 5812420dfc95SChris Siden } 5813420dfc95SChris Siden ztest_init(zs); 5814420dfc95SChris Siden } 5815fa9e4066Sahrens } 5816fa9e4066Sahrens 5817fa9e4066Sahrens int 5818fa9e4066Sahrens main(int argc, char **argv) 5819fa9e4066Sahrens { 5820fa9e4066Sahrens int kills = 0; 5821fa9e4066Sahrens int iters = 0; 5822420dfc95SChris Siden int older = 0; 5823420dfc95SChris Siden int newer = 0; 5824fa9e4066Sahrens ztest_shared_t *zs; 5825fa9e4066Sahrens ztest_info_t *zi; 5826420dfc95SChris Siden ztest_shared_callstate_t *zc; 5827fa9e4066Sahrens char timebuf[100]; 5828fa9e4066Sahrens char numbuf[6]; 5829b24ab676SJeff Bonwick spa_t *spa; 5830420dfc95SChris Siden char cmd[MAXNAMELEN]; 5831420dfc95SChris Siden boolean_t hasalt; 5832420dfc95SChris Siden 5833420dfc95SChris Siden boolean_t ischild = (0 == lseek(ZTEST_FD_DATA, 0, SEEK_CUR)); 5834420dfc95SChris Siden ASSERT(ischild || errno == EBADF); 5835fa9e4066Sahrens 5836fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 5837fa9e4066Sahrens 5838cd1c8b85SMatthew Ahrens dprintf_setup(&argc, argv); 5839cd1c8b85SMatthew Ahrens 5840420dfc95SChris Siden if (!ischild) { 5841420dfc95SChris Siden process_options(argc, argv); 5842fa9e4066Sahrens 5843420dfc95SChris Siden setup_fds(); 5844420dfc95SChris Siden setup_hdr(); 5845420dfc95SChris Siden setup_data(); 5846420dfc95SChris Siden bcopy(&ztest_opts, ztest_shared_opts, 5847420dfc95SChris Siden sizeof (*ztest_shared_opts)); 5848420dfc95SChris Siden } else { 5849420dfc95SChris Siden setup_data(); 5850420dfc95SChris Siden bcopy(ztest_shared_opts, &ztest_opts, sizeof (ztest_opts)); 5851420dfc95SChris Siden } 5852420dfc95SChris Siden ASSERT3U(ztest_opts.zo_datasets, ==, ztest_shared_hdr->zh_ds_count); 5853fa9e4066Sahrens 5854f0ba89beSJeff Bonwick /* Override location of zpool.cache */ 5855420dfc95SChris Siden (void) asprintf((char **)&spa_config_path, "%s/zpool.cache", 5856420dfc95SChris Siden ztest_opts.zo_dir); 5857f0ba89beSJeff Bonwick 5858420dfc95SChris Siden ztest_ds = umem_alloc(ztest_opts.zo_datasets * sizeof (ztest_ds_t), 5859420dfc95SChris Siden UMEM_NOFAIL); 5860420dfc95SChris Siden zs = ztest_shared; 5861ea8dc4b6Seschrock 5862420dfc95SChris Siden if (ischild) { 5863420dfc95SChris Siden metaslab_gang_bang = ztest_opts.zo_metaslab_gang_bang; 5864420dfc95SChris Siden metaslab_df_alloc_threshold = 5865420dfc95SChris Siden zs->zs_metaslab_df_alloc_threshold; 5866b24ab676SJeff Bonwick 5867420dfc95SChris Siden if (zs->zs_do_init) 5868420dfc95SChris Siden ztest_run_init(); 5869420dfc95SChris Siden else 5870420dfc95SChris Siden ztest_run(zs); 5871420dfc95SChris Siden exit(0); 5872420dfc95SChris Siden } 5873fa9e4066Sahrens 5874420dfc95SChris Siden hasalt = (strlen(ztest_opts.zo_alt_ztest) != 0); 5875420dfc95SChris Siden 5876420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 5877fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 5878fa9e4066Sahrens " %llu seconds...\n", 5879420dfc95SChris Siden (u_longlong_t)ztest_opts.zo_vdevs, 5880420dfc95SChris Siden ztest_opts.zo_datasets, 5881420dfc95SChris Siden ztest_opts.zo_threads, 5882420dfc95SChris Siden (u_longlong_t)ztest_opts.zo_time); 5883fa9e4066Sahrens } 5884fa9e4066Sahrens 5885420dfc95SChris Siden (void) strlcpy(cmd, getexecname(), sizeof (cmd)); 5886420dfc95SChris Siden 5887420dfc95SChris Siden zs->zs_do_init = B_TRUE; 5888420dfc95SChris Siden if (strlen(ztest_opts.zo_alt_ztest) != 0) { 5889420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 5890420dfc95SChris Siden (void) printf("Executing older ztest for " 5891420dfc95SChris Siden "initialization: %s\n", ztest_opts.zo_alt_ztest); 5892420dfc95SChris Siden } 5893420dfc95SChris Siden VERIFY(!exec_child(ztest_opts.zo_alt_ztest, 5894420dfc95SChris Siden ztest_opts.zo_alt_libpath, B_FALSE, NULL)); 5895420dfc95SChris Siden } else { 5896420dfc95SChris Siden VERIFY(!exec_child(NULL, NULL, B_FALSE, NULL)); 5897fa9e4066Sahrens } 5898420dfc95SChris Siden zs->zs_do_init = B_FALSE; 5899fa9e4066Sahrens 5900b24ab676SJeff Bonwick zs->zs_proc_start = gethrtime(); 5901420dfc95SChris Siden zs->zs_proc_stop = zs->zs_proc_start + ztest_opts.zo_time * NANOSEC; 5902fa9e4066Sahrens 5903b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5904420dfc95SChris Siden zi = &ztest_info[f]; 5905420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 5906b24ab676SJeff Bonwick if (zs->zs_proc_start + zi->zi_interval[0] > zs->zs_proc_stop) 5907420dfc95SChris Siden zc->zc_next = UINT64_MAX; 5908fa9e4066Sahrens else 5909420dfc95SChris Siden zc->zc_next = zs->zs_proc_start + 5910b24ab676SJeff Bonwick ztest_random(2 * zi->zi_interval[0] + 1); 5911fa9e4066Sahrens } 5912fa9e4066Sahrens 5913fa9e4066Sahrens /* 5914fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 5915fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 5916fa9e4066Sahrens * to verify that we never lose on-disk consistency. 5917fa9e4066Sahrens */ 5918b24ab676SJeff Bonwick while (gethrtime() < zs->zs_proc_stop) { 5919fa9e4066Sahrens int status; 5920420dfc95SChris Siden boolean_t killed; 5921fa9e4066Sahrens 5922fa9e4066Sahrens /* 5923fa9e4066Sahrens * Initialize the workload counters for each function. 5924fa9e4066Sahrens */ 5925b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5926420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 5927420dfc95SChris Siden zc->zc_count = 0; 5928420dfc95SChris Siden zc->zc_time = 0; 5929fa9e4066Sahrens } 5930fa9e4066Sahrens 5931d6e555bdSGeorge Wilson /* Set the allocation switch size */ 5932420dfc95SChris Siden zs->zs_metaslab_df_alloc_threshold = 5933420dfc95SChris Siden ztest_random(zs->zs_metaslab_sz / 4) + 1; 5934fa9e4066Sahrens 5935420dfc95SChris Siden if (!hasalt || ztest_random(2) == 0) { 5936420dfc95SChris Siden if (hasalt && ztest_opts.zo_verbose >= 1) { 5937420dfc95SChris Siden (void) printf("Executing newer ztest: %s\n", 5938420dfc95SChris Siden cmd); 5939fa9e4066Sahrens } 5940420dfc95SChris Siden newer++; 5941420dfc95SChris Siden killed = exec_child(cmd, NULL, B_TRUE, &status); 59425ad82045Snd } else { 5943420dfc95SChris Siden if (hasalt && ztest_opts.zo_verbose >= 1) { 5944420dfc95SChris Siden (void) printf("Executing older ztest: %s\n", 5945420dfc95SChris Siden ztest_opts.zo_alt_ztest); 5946420dfc95SChris Siden } 5947420dfc95SChris Siden older++; 5948420dfc95SChris Siden killed = exec_child(ztest_opts.zo_alt_ztest, 5949420dfc95SChris Siden ztest_opts.zo_alt_libpath, B_TRUE, &status); 5950fa9e4066Sahrens } 5951fa9e4066Sahrens 5952420dfc95SChris Siden if (killed) 5953420dfc95SChris Siden kills++; 5954fa9e4066Sahrens iters++; 5955fa9e4066Sahrens 5956420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 5957fa9e4066Sahrens hrtime_t now = gethrtime(); 5958fa9e4066Sahrens 5959b24ab676SJeff Bonwick now = MIN(now, zs->zs_proc_stop); 5960b24ab676SJeff Bonwick print_time(zs->zs_proc_stop - now, timebuf); 5961fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 5962fa9e4066Sahrens 5963fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 5964fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 5965fa9e4066Sahrens iters, 5966fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 5967fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 5968fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 5969fa9e4066Sahrens numbuf, 5970b24ab676SJeff Bonwick 100.0 * (now - zs->zs_proc_start) / 5971420dfc95SChris Siden (ztest_opts.zo_time * NANOSEC), timebuf); 5972fa9e4066Sahrens } 5973fa9e4066Sahrens 5974420dfc95SChris Siden if (ztest_opts.zo_verbose >= 2) { 5975fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 5976fa9e4066Sahrens (void) printf("%7s %9s %s\n", 5977fa9e4066Sahrens "Calls", "Time", "Function"); 5978fa9e4066Sahrens (void) printf("%7s %9s %s\n", 5979fa9e4066Sahrens "-----", "----", "--------"); 5980b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5981fa9e4066Sahrens Dl_info dli; 5982fa9e4066Sahrens 5983420dfc95SChris Siden zi = &ztest_info[f]; 5984420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 5985420dfc95SChris Siden print_time(zc->zc_time, timebuf); 5986fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 5987fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 5988420dfc95SChris Siden (u_longlong_t)zc->zc_count, timebuf, 5989fa9e4066Sahrens dli.dli_sname); 5990fa9e4066Sahrens } 5991fa9e4066Sahrens (void) printf("\n"); 5992fa9e4066Sahrens } 5993fa9e4066Sahrens 5994fa9e4066Sahrens /* 5995b24ab676SJeff Bonwick * It's possible that we killed a child during a rename test, 5996b24ab676SJeff Bonwick * in which case we'll have a 'ztest_tmp' pool lying around 5997b24ab676SJeff Bonwick * instead of 'ztest'. Do a blind rename in case this happened. 5998fa9e4066Sahrens */ 5999b24ab676SJeff Bonwick kernel_init(FREAD); 6000420dfc95SChris Siden if (spa_open(ztest_opts.zo_pool, &spa, FTAG) == 0) { 6001b24ab676SJeff Bonwick spa_close(spa, FTAG); 6002b24ab676SJeff Bonwick } else { 6003b24ab676SJeff Bonwick char tmpname[MAXNAMELEN]; 6004b24ab676SJeff Bonwick kernel_fini(); 6005b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 6006b24ab676SJeff Bonwick (void) snprintf(tmpname, sizeof (tmpname), "%s_tmp", 6007420dfc95SChris Siden ztest_opts.zo_pool); 6008420dfc95SChris Siden (void) spa_rename(tmpname, ztest_opts.zo_pool); 6009b24ab676SJeff Bonwick } 6010fa9e4066Sahrens kernel_fini(); 6011fa9e4066Sahrens 6012420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 6013b24ab676SJeff Bonwick } 6014fa9e4066Sahrens 6015420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6016420dfc95SChris Siden if (hasalt) { 6017420dfc95SChris Siden (void) printf("%d runs of older ztest: %s\n", older, 6018420dfc95SChris Siden ztest_opts.zo_alt_ztest); 6019420dfc95SChris Siden (void) printf("%d runs of newer ztest: %s\n", newer, 6020420dfc95SChris Siden cmd); 6021420dfc95SChris Siden } 6022fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 6023fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 6024fa9e4066Sahrens } 6025fa9e4066Sahrens 6026fa9e4066Sahrens return (0); 6027fa9e4066Sahrens } 6028