1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5441d80aaSlling * Common Development and Distribution License (the "License"). 6441d80aaSlling * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 2247cb52daSJeff Bonwick * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23420dfc95SChris Siden * Copyright (c) 2012 by Delphix. All rights reserved. 24e9103aaeSGarrett D'Amore * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 25fa9e4066Sahrens */ 26fa9e4066Sahrens 27fa9e4066Sahrens /* 28fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 29fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 30fa9e4066Sahrens * 31fa9e4066Sahrens * The overall design of the ztest program is as follows: 32fa9e4066Sahrens * 33fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 34fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 35fa9e4066Sahrens * we have a simple routine to test that functionality. These 36fa9e4066Sahrens * individual routines do not have to do anything "stressful". 37fa9e4066Sahrens * 38fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 39fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 40fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 41fa9e4066Sahrens * 42fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 43fa9e4066Sahrens * verify that self-healing data really works. 44fa9e4066Sahrens * 45fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 46fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 47fa9e4066Sahrens * in which checksum they use and whether they're compressed. 48fa9e4066Sahrens * 49fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 50fa9e4066Sahrens * we run the entire test in a child of the main process. 51fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 52fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 53fa9e4066Sahrens * The parent then runs the test again, using the existing 54420dfc95SChris Siden * storage pool, as many times as desired. If backwards compatability 55420dfc95SChris Siden * testing is enabled ztest will sometimes run the "older" version 56420dfc95SChris Siden * of ztest after a SIGKILL. 57fa9e4066Sahrens * 58fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 59fa9e4066Sahrens * many of the functional tests record the transaction group number 60fa9e4066Sahrens * as part of their data. When reading old data, they verify that 61fa9e4066Sahrens * the transaction group number is less than the current, open txg. 62fa9e4066Sahrens * If you add a new test, please do this if applicable. 63fa9e4066Sahrens * 64fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 65fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 66fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 67fa9e4066Sahrens * 68fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 69fa9e4066Sahrens * 70fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 71fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 72fa9e4066Sahrens * 73420dfc95SChris Siden * Use the -k option to set the desired frequency of kills. 74420dfc95SChris Siden * 75420dfc95SChris Siden * When ztest invokes itself it passes all relevant information through a 76420dfc95SChris Siden * temporary file which is mmap-ed in the child process. This allows shared 77420dfc95SChris Siden * memory to survive the exec syscall. The ztest_shared_hdr_t struct is always 78420dfc95SChris Siden * stored at offset 0 of this file and contains information on the size and 79420dfc95SChris Siden * number of shared structures in the file. The information stored in this file 80420dfc95SChris Siden * must remain backwards compatible with older versions of ztest so that 81420dfc95SChris Siden * ztest can invoke them during backwards compatibility testing (-B). 82fa9e4066Sahrens */ 83fa9e4066Sahrens 84fa9e4066Sahrens #include <sys/zfs_context.h> 85fa9e4066Sahrens #include <sys/spa.h> 86fa9e4066Sahrens #include <sys/dmu.h> 87fa9e4066Sahrens #include <sys/txg.h> 882fdbea25SAleksandr Guzovskiy #include <sys/dbuf.h> 89fa9e4066Sahrens #include <sys/zap.h> 90fa9e4066Sahrens #include <sys/dmu_objset.h> 91fa9e4066Sahrens #include <sys/poll.h> 92fa9e4066Sahrens #include <sys/stat.h> 93fa9e4066Sahrens #include <sys/time.h> 94fa9e4066Sahrens #include <sys/wait.h> 95fa9e4066Sahrens #include <sys/mman.h> 96fa9e4066Sahrens #include <sys/resource.h> 97fa9e4066Sahrens #include <sys/zio.h> 98fa9e4066Sahrens #include <sys/zil.h> 99b24ab676SJeff Bonwick #include <sys/zil_impl.h> 100fa9e4066Sahrens #include <sys/vdev_impl.h> 101e14bb325SJeff Bonwick #include <sys/vdev_file.h> 102fa9e4066Sahrens #include <sys/spa_impl.h> 10388ecc943SGeorge Wilson #include <sys/metaslab_impl.h> 104fa9e4066Sahrens #include <sys/dsl_prop.h> 1054f5064b7SMark J Musante #include <sys/dsl_dataset.h> 1063f9d6ad7SLin Ling #include <sys/dsl_scan.h> 107cde58dbcSMatthew Ahrens #include <sys/zio_checksum.h> 108fa9e4066Sahrens #include <sys/refcount.h> 109ad135b5dSChristopher Siden #include <sys/zfeature.h> 110fa9e4066Sahrens #include <stdio.h> 111004388ebScasper #include <stdio_ext.h> 112fa9e4066Sahrens #include <stdlib.h> 113fa9e4066Sahrens #include <unistd.h> 114fa9e4066Sahrens #include <signal.h> 115fa9e4066Sahrens #include <umem.h> 116fa9e4066Sahrens #include <dlfcn.h> 117fa9e4066Sahrens #include <ctype.h> 118fa9e4066Sahrens #include <math.h> 119fa9e4066Sahrens #include <sys/fs/zfs.h> 120b24ab676SJeff Bonwick #include <libnvpair.h> 121fa9e4066Sahrens 122741652b0SEtienne Dechamps static int ztest_fd_data = -1; 123741652b0SEtienne Dechamps static int ztest_fd_rand = -1; 124420dfc95SChris Siden 125420dfc95SChris Siden typedef struct ztest_shared_hdr { 126420dfc95SChris Siden uint64_t zh_hdr_size; 127420dfc95SChris Siden uint64_t zh_opts_size; 128420dfc95SChris Siden uint64_t zh_size; 129420dfc95SChris Siden uint64_t zh_stats_size; 130420dfc95SChris Siden uint64_t zh_stats_count; 131420dfc95SChris Siden uint64_t zh_ds_size; 132420dfc95SChris Siden uint64_t zh_ds_count; 133420dfc95SChris Siden } ztest_shared_hdr_t; 134420dfc95SChris Siden 135420dfc95SChris Siden static ztest_shared_hdr_t *ztest_shared_hdr; 136420dfc95SChris Siden 137420dfc95SChris Siden typedef struct ztest_shared_opts { 138420dfc95SChris Siden char zo_pool[MAXNAMELEN]; 139420dfc95SChris Siden char zo_dir[MAXNAMELEN]; 140420dfc95SChris Siden char zo_alt_ztest[MAXNAMELEN]; 141420dfc95SChris Siden char zo_alt_libpath[MAXNAMELEN]; 142420dfc95SChris Siden uint64_t zo_vdevs; 143420dfc95SChris Siden uint64_t zo_vdevtime; 144420dfc95SChris Siden size_t zo_vdev_size; 145420dfc95SChris Siden int zo_ashift; 146420dfc95SChris Siden int zo_mirrors; 147420dfc95SChris Siden int zo_raidz; 148420dfc95SChris Siden int zo_raidz_parity; 149420dfc95SChris Siden int zo_datasets; 150420dfc95SChris Siden int zo_threads; 151420dfc95SChris Siden uint64_t zo_passtime; 152420dfc95SChris Siden uint64_t zo_killrate; 153420dfc95SChris Siden int zo_verbose; 154420dfc95SChris Siden int zo_init; 155420dfc95SChris Siden uint64_t zo_time; 156420dfc95SChris Siden uint64_t zo_maxloops; 157420dfc95SChris Siden uint64_t zo_metaslab_gang_bang; 158420dfc95SChris Siden } ztest_shared_opts_t; 159420dfc95SChris Siden 160420dfc95SChris Siden static const ztest_shared_opts_t ztest_opts_defaults = { 161420dfc95SChris Siden .zo_pool = { 'z', 't', 'e', 's', 't', '\0' }, 162420dfc95SChris Siden .zo_dir = { '/', 't', 'm', 'p', '\0' }, 163420dfc95SChris Siden .zo_alt_ztest = { '\0' }, 164420dfc95SChris Siden .zo_alt_libpath = { '\0' }, 165420dfc95SChris Siden .zo_vdevs = 5, 166420dfc95SChris Siden .zo_ashift = SPA_MINBLOCKSHIFT, 167420dfc95SChris Siden .zo_mirrors = 2, 168420dfc95SChris Siden .zo_raidz = 4, 169420dfc95SChris Siden .zo_raidz_parity = 1, 170420dfc95SChris Siden .zo_vdev_size = SPA_MINDEVSIZE, 171420dfc95SChris Siden .zo_datasets = 7, 172420dfc95SChris Siden .zo_threads = 23, 173420dfc95SChris Siden .zo_passtime = 60, /* 60 seconds */ 174420dfc95SChris Siden .zo_killrate = 70, /* 70% kill rate */ 175420dfc95SChris Siden .zo_verbose = 0, 176420dfc95SChris Siden .zo_init = 1, 177420dfc95SChris Siden .zo_time = 300, /* 5 minutes */ 178420dfc95SChris Siden .zo_maxloops = 50, /* max loops during spa_freeze() */ 179420dfc95SChris Siden .zo_metaslab_gang_bang = 32 << 10 180420dfc95SChris Siden }; 181420dfc95SChris Siden 182420dfc95SChris Siden extern uint64_t metaslab_gang_bang; 183420dfc95SChris Siden extern uint64_t metaslab_df_alloc_threshold; 184420dfc95SChris Siden 185420dfc95SChris Siden static ztest_shared_opts_t *ztest_shared_opts; 186420dfc95SChris Siden static ztest_shared_opts_t ztest_opts; 187420dfc95SChris Siden 188420dfc95SChris Siden typedef struct ztest_shared_ds { 189420dfc95SChris Siden uint64_t zd_seq; 190420dfc95SChris Siden } ztest_shared_ds_t; 191420dfc95SChris Siden 192420dfc95SChris Siden static ztest_shared_ds_t *ztest_shared_ds; 193420dfc95SChris Siden #define ZTEST_GET_SHARED_DS(d) (&ztest_shared_ds[d]) 194fa9e4066Sahrens 195b24ab676SJeff Bonwick #define BT_MAGIC 0x123456789abcdefULL 196420dfc95SChris Siden #define MAXFAULTS() \ 197420dfc95SChris Siden (MAX(zs->zs_mirrors, 1) * (ztest_opts.zo_raidz_parity + 1) - 1) 198b24ab676SJeff Bonwick 199b24ab676SJeff Bonwick enum ztest_io_type { 200b24ab676SJeff Bonwick ZTEST_IO_WRITE_TAG, 201b24ab676SJeff Bonwick ZTEST_IO_WRITE_PATTERN, 202b24ab676SJeff Bonwick ZTEST_IO_WRITE_ZEROES, 203b24ab676SJeff Bonwick ZTEST_IO_TRUNCATE, 204b24ab676SJeff Bonwick ZTEST_IO_SETATTR, 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; 331*25345e46SGeorge Wilson ztest_func_t ztest_spa_upgrade; 332fa9e4066Sahrens 333b24ab676SJeff Bonwick uint64_t zopt_always = 0ULL * NANOSEC; /* all the time */ 334b24ab676SJeff Bonwick uint64_t zopt_incessant = 1ULL * NANOSEC / 10; /* every 1/10 second */ 335b24ab676SJeff Bonwick uint64_t zopt_often = 1ULL * NANOSEC; /* every second */ 336b24ab676SJeff Bonwick uint64_t zopt_sometimes = 10ULL * NANOSEC; /* every 10 seconds */ 337b24ab676SJeff Bonwick uint64_t zopt_rarely = 60ULL * NANOSEC; /* every 60 seconds */ 338fa9e4066Sahrens 339fa9e4066Sahrens ztest_info_t ztest_info[] = { 340e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 341b24ab676SJeff Bonwick { ztest_dmu_write_parallel, 10, &zopt_always }, 342e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 343b24ab676SJeff Bonwick { ztest_dmu_commit_callbacks, 1, &zopt_always }, 344e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 345e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 3461195e687SMark J Musante { ztest_split_pool, 1, &zopt_always }, 347b24ab676SJeff Bonwick { ztest_zil_commit, 1, &zopt_incessant }, 348c9ba2a43SEric Schrock { ztest_zil_remount, 1, &zopt_sometimes }, 349b24ab676SJeff Bonwick { ztest_dmu_read_write_zcopy, 1, &zopt_often }, 350b24ab676SJeff Bonwick { ztest_dmu_objset_create_destroy, 1, &zopt_often }, 351b24ab676SJeff Bonwick { ztest_dsl_prop_get_set, 1, &zopt_often }, 352b24ab676SJeff Bonwick { ztest_spa_prop_get_set, 1, &zopt_sometimes }, 353b24ab676SJeff Bonwick #if 0 354b24ab676SJeff Bonwick { ztest_dmu_prealloc, 1, &zopt_sometimes }, 355b24ab676SJeff Bonwick #endif 356b24ab676SJeff Bonwick { ztest_fzap, 1, &zopt_sometimes }, 357b24ab676SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 358b24ab676SJeff Bonwick { ztest_spa_create_destroy, 1, &zopt_sometimes }, 359e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 360b24ab676SJeff Bonwick { ztest_ddt_repair, 1, &zopt_sometimes }, 3615c987a37SChris Kirby { ztest_dmu_snapshot_hold, 1, &zopt_sometimes }, 362e9103aaeSGarrett D'Amore { ztest_reguid, 1, &zopt_sometimes }, 363e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 364b24ab676SJeff Bonwick { ztest_scrub, 1, &zopt_rarely }, 365*25345e46SGeorge Wilson { ztest_spa_upgrade, 1, &zopt_rarely }, 366b24ab676SJeff Bonwick { ztest_dsl_dataset_promote_busy, 1, &zopt_rarely }, 367dfbb9432SGeorge Wilson { ztest_vdev_attach_detach, 1, &zopt_rarely }, 368e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 369420dfc95SChris Siden { ztest_vdev_add_remove, 1, 370420dfc95SChris Siden &ztest_opts.zo_vdevtime }, 371420dfc95SChris Siden { ztest_vdev_aux_add_remove, 1, 372420dfc95SChris Siden &ztest_opts.zo_vdevtime }, 373fa9e4066Sahrens }; 374fa9e4066Sahrens 375fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 376fa9e4066Sahrens 377d20e665cSRicardo M. Correia /* 378d20e665cSRicardo M. Correia * The following struct is used to hold a list of uncalled commit callbacks. 379d20e665cSRicardo M. Correia * The callbacks are ordered by txg number. 380d20e665cSRicardo M. Correia */ 381d20e665cSRicardo M. Correia typedef struct ztest_cb_list { 382d20e665cSRicardo M. Correia mutex_t zcl_callbacks_lock; 383d20e665cSRicardo M. Correia list_t zcl_callbacks; 384d20e665cSRicardo M. Correia } ztest_cb_list_t; 385d20e665cSRicardo M. Correia 386fa9e4066Sahrens /* 387fa9e4066Sahrens * Stuff we need to share writably between parent and child. 388fa9e4066Sahrens */ 389fa9e4066Sahrens typedef struct ztest_shared { 390420dfc95SChris Siden boolean_t zs_do_init; 391b24ab676SJeff Bonwick hrtime_t zs_proc_start; 392b24ab676SJeff Bonwick hrtime_t zs_proc_stop; 393b24ab676SJeff Bonwick hrtime_t zs_thread_start; 394b24ab676SJeff Bonwick hrtime_t zs_thread_stop; 395b24ab676SJeff Bonwick hrtime_t zs_thread_kill; 396b24ab676SJeff Bonwick uint64_t zs_enospc_count; 39788ecc943SGeorge Wilson uint64_t zs_vdev_next_leaf; 398e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 399fa9e4066Sahrens uint64_t zs_alloc; 400fa9e4066Sahrens uint64_t zs_space; 4011195e687SMark J Musante uint64_t zs_splits; 4021195e687SMark J Musante uint64_t zs_mirrors; 403420dfc95SChris Siden uint64_t zs_metaslab_sz; 404420dfc95SChris Siden uint64_t zs_metaslab_df_alloc_threshold; 405420dfc95SChris Siden uint64_t zs_guid; 406fa9e4066Sahrens } ztest_shared_t; 407fa9e4066Sahrens 408b24ab676SJeff Bonwick #define ID_PARALLEL -1ULL 409b24ab676SJeff Bonwick 410fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 411e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 412b24ab676SJeff Bonwick ztest_shared_t *ztest_shared; 413fa9e4066Sahrens 414420dfc95SChris Siden static spa_t *ztest_spa = NULL; 415420dfc95SChris Siden static ztest_ds_t *ztest_ds; 416420dfc95SChris Siden 417420dfc95SChris Siden static mutex_t ztest_vdev_lock; 418dfbb9432SGeorge Wilson 419dfbb9432SGeorge Wilson /* 420dfbb9432SGeorge Wilson * The ztest_name_lock protects the pool and dataset namespace used by 421dfbb9432SGeorge Wilson * the individual tests. To modify the namespace, consumers must grab 422dfbb9432SGeorge Wilson * this lock as writer. Grabbing the lock as reader will ensure that the 423dfbb9432SGeorge Wilson * namespace does not change while the lock is held. 424dfbb9432SGeorge Wilson */ 425420dfc95SChris Siden static rwlock_t ztest_name_lock; 426fa9e4066Sahrens 427420dfc95SChris Siden static boolean_t ztest_dump_core = B_TRUE; 428e14bb325SJeff Bonwick static boolean_t ztest_exiting; 4290a4e9518Sgw 430d20e665cSRicardo M. Correia /* Global commit callback list */ 431d20e665cSRicardo M. Correia static ztest_cb_list_t zcl; 432d20e665cSRicardo M. Correia 433b24ab676SJeff Bonwick enum ztest_object { 434b24ab676SJeff Bonwick ZTEST_META_DNODE = 0, 435b24ab676SJeff Bonwick ZTEST_DIROBJ, 436b24ab676SJeff Bonwick ZTEST_OBJECTS 437b24ab676SJeff Bonwick }; 438fa9e4066Sahrens 4391ce825d8Sraf static void usage(boolean_t) __NORETURN; 440f1b4288bSvb 441fa9e4066Sahrens /* 442fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 443fa9e4066Sahrens * debugging facilities. 444fa9e4066Sahrens */ 445fa9e4066Sahrens const char * 446fa9e4066Sahrens _umem_debug_init() 447fa9e4066Sahrens { 448fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 449fa9e4066Sahrens } 450fa9e4066Sahrens 451fa9e4066Sahrens const char * 452fa9e4066Sahrens _umem_logging_init(void) 453fa9e4066Sahrens { 454fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 455fa9e4066Sahrens } 456fa9e4066Sahrens 457fa9e4066Sahrens #define FATAL_MSG_SZ 1024 458fa9e4066Sahrens 459fa9e4066Sahrens char *fatal_msg; 460fa9e4066Sahrens 461fa9e4066Sahrens static void 462fa9e4066Sahrens fatal(int do_perror, char *message, ...) 463fa9e4066Sahrens { 464fa9e4066Sahrens va_list args; 465fa9e4066Sahrens int save_errno = errno; 466fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 467fa9e4066Sahrens 468fa9e4066Sahrens (void) fflush(stdout); 469fa9e4066Sahrens 470fa9e4066Sahrens va_start(args, message); 471fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 472fa9e4066Sahrens /* LINTED */ 473fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 474fa9e4066Sahrens va_end(args); 475fa9e4066Sahrens if (do_perror) { 476fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 477fa9e4066Sahrens ": %s", strerror(save_errno)); 478fa9e4066Sahrens } 479fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 480fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 481fa9e4066Sahrens if (ztest_dump_core) 482fa9e4066Sahrens abort(); 483fa9e4066Sahrens exit(3); 484fa9e4066Sahrens } 485fa9e4066Sahrens 486fa9e4066Sahrens static int 487fa9e4066Sahrens str2shift(const char *buf) 488fa9e4066Sahrens { 489fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 490fa9e4066Sahrens int i; 491fa9e4066Sahrens 492fa9e4066Sahrens if (buf[0] == '\0') 493fa9e4066Sahrens return (0); 494fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 495fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 496fa9e4066Sahrens break; 497fa9e4066Sahrens } 498f1b4288bSvb if (i == strlen(ends)) { 499f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 500f1b4288bSvb buf); 501f1b4288bSvb usage(B_FALSE); 502f1b4288bSvb } 503fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 504fa9e4066Sahrens return (10*i); 505fa9e4066Sahrens } 506f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 507f1b4288bSvb usage(B_FALSE); 508f1b4288bSvb /* NOTREACHED */ 509fa9e4066Sahrens } 510fa9e4066Sahrens 511fa9e4066Sahrens static uint64_t 512fa9e4066Sahrens nicenumtoull(const char *buf) 513fa9e4066Sahrens { 514fa9e4066Sahrens char *end; 515fa9e4066Sahrens uint64_t val; 516fa9e4066Sahrens 517fa9e4066Sahrens val = strtoull(buf, &end, 0); 518fa9e4066Sahrens if (end == buf) { 519f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 520f1b4288bSvb usage(B_FALSE); 521fa9e4066Sahrens } else if (end[0] == '.') { 522fa9e4066Sahrens double fval = strtod(buf, &end); 523fa9e4066Sahrens fval *= pow(2, str2shift(end)); 524f1b4288bSvb if (fval > UINT64_MAX) { 525f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 526f1b4288bSvb buf); 527f1b4288bSvb usage(B_FALSE); 528f1b4288bSvb } 529fa9e4066Sahrens val = (uint64_t)fval; 530fa9e4066Sahrens } else { 531fa9e4066Sahrens int shift = str2shift(end); 532f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 533f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 534f1b4288bSvb buf); 535f1b4288bSvb usage(B_FALSE); 536f1b4288bSvb } 537fa9e4066Sahrens val <<= shift; 538fa9e4066Sahrens } 539fa9e4066Sahrens return (val); 540fa9e4066Sahrens } 541fa9e4066Sahrens 542fa9e4066Sahrens static void 543f1b4288bSvb usage(boolean_t requested) 544fa9e4066Sahrens { 545420dfc95SChris Siden const ztest_shared_opts_t *zo = &ztest_opts_defaults; 546420dfc95SChris Siden 547fa9e4066Sahrens char nice_vdev_size[10]; 548fa9e4066Sahrens char nice_gang_bang[10]; 549f1b4288bSvb FILE *fp = requested ? stdout : stderr; 550fa9e4066Sahrens 551420dfc95SChris Siden nicenum(zo->zo_vdev_size, nice_vdev_size); 552420dfc95SChris Siden nicenum(zo->zo_metaslab_gang_bang, nice_gang_bang); 553fa9e4066Sahrens 554f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 555fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 556fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 5572215e990SMark J Musante "\t[-a alignment_shift (default: %d)] use 0 for random\n" 558fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 559fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 56099653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 561fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 562fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 563fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 5642215e990SMark J Musante "\t[-i init_count (default: %d)] initialize pool i times\n" 5652215e990SMark J Musante "\t[-k kill_percentage (default: %llu%%)]\n" 566fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 5672215e990SMark J Musante "\t[-f dir (default: %s)] file directory for vdev files\n" 5682215e990SMark J Musante "\t[-V] verbose (use multiple times for ever more blather)\n" 5692215e990SMark J Musante "\t[-E] use existing pool instead of creating new one\n" 5702215e990SMark J Musante "\t[-T time (default: %llu sec)] total run time\n" 5712215e990SMark J Musante "\t[-F freezeloops (default: %llu)] max loops in spa_freeze()\n" 5722215e990SMark J Musante "\t[-P passtime (default: %llu sec)] time per pass\n" 573420dfc95SChris Siden "\t[-B alt_ztest (default: <none>)] alternate ztest path\n" 574f1b4288bSvb "\t[-h] (print help)\n" 575fa9e4066Sahrens "", 576420dfc95SChris Siden zo->zo_pool, 577420dfc95SChris Siden (u_longlong_t)zo->zo_vdevs, /* -v */ 5780a4e9518Sgw nice_vdev_size, /* -s */ 579420dfc95SChris Siden zo->zo_ashift, /* -a */ 580420dfc95SChris Siden zo->zo_mirrors, /* -m */ 581420dfc95SChris Siden zo->zo_raidz, /* -r */ 582420dfc95SChris Siden zo->zo_raidz_parity, /* -R */ 583420dfc95SChris Siden zo->zo_datasets, /* -d */ 584420dfc95SChris Siden zo->zo_threads, /* -t */ 5850a4e9518Sgw nice_gang_bang, /* -g */ 586420dfc95SChris Siden zo->zo_init, /* -i */ 587420dfc95SChris Siden (u_longlong_t)zo->zo_killrate, /* -k */ 588420dfc95SChris Siden zo->zo_pool, /* -p */ 589420dfc95SChris Siden zo->zo_dir, /* -f */ 590420dfc95SChris Siden (u_longlong_t)zo->zo_time, /* -T */ 591420dfc95SChris Siden (u_longlong_t)zo->zo_maxloops, /* -F */ 592420dfc95SChris Siden (u_longlong_t)zo->zo_passtime); 593f1b4288bSvb exit(requested ? 0 : 1); 594fa9e4066Sahrens } 595fa9e4066Sahrens 596fa9e4066Sahrens static void 597fa9e4066Sahrens process_options(int argc, char **argv) 598fa9e4066Sahrens { 599420dfc95SChris Siden char *path; 600420dfc95SChris Siden ztest_shared_opts_t *zo = &ztest_opts; 601420dfc95SChris Siden 602fa9e4066Sahrens int opt; 603fa9e4066Sahrens uint64_t value; 604420dfc95SChris Siden char altdir[MAXNAMELEN] = { 0 }; 605fa9e4066Sahrens 606420dfc95SChris Siden bcopy(&ztest_opts_defaults, zo, sizeof (*zo)); 607fa9e4066Sahrens 608fa9e4066Sahrens while ((opt = getopt(argc, argv, 609420dfc95SChris Siden "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:hF:B:")) != EOF) { 610fa9e4066Sahrens value = 0; 611fa9e4066Sahrens switch (opt) { 6123d7072f8Seschrock case 'v': 6133d7072f8Seschrock case 's': 6143d7072f8Seschrock case 'a': 6153d7072f8Seschrock case 'm': 6163d7072f8Seschrock case 'r': 6173d7072f8Seschrock case 'R': 6183d7072f8Seschrock case 'd': 6193d7072f8Seschrock case 't': 6203d7072f8Seschrock case 'g': 6213d7072f8Seschrock case 'i': 6223d7072f8Seschrock case 'k': 6233d7072f8Seschrock case 'T': 6243d7072f8Seschrock case 'P': 6252215e990SMark J Musante case 'F': 626fa9e4066Sahrens value = nicenumtoull(optarg); 627fa9e4066Sahrens } 628fa9e4066Sahrens switch (opt) { 6293d7072f8Seschrock case 'v': 630420dfc95SChris Siden zo->zo_vdevs = value; 631fa9e4066Sahrens break; 6323d7072f8Seschrock case 's': 633420dfc95SChris Siden zo->zo_vdev_size = MAX(SPA_MINDEVSIZE, value); 634fa9e4066Sahrens break; 6353d7072f8Seschrock case 'a': 636420dfc95SChris Siden zo->zo_ashift = value; 637ecc2d604Sbonwick break; 6383d7072f8Seschrock case 'm': 639420dfc95SChris Siden zo->zo_mirrors = value; 640fa9e4066Sahrens break; 6413d7072f8Seschrock case 'r': 642420dfc95SChris Siden zo->zo_raidz = MAX(1, value); 643fa9e4066Sahrens break; 6443d7072f8Seschrock case 'R': 645420dfc95SChris Siden zo->zo_raidz_parity = MIN(MAX(value, 1), 3); 64699653d4eSeschrock break; 6473d7072f8Seschrock case 'd': 648420dfc95SChris Siden zo->zo_datasets = MAX(1, value); 649fa9e4066Sahrens break; 6503d7072f8Seschrock case 't': 651420dfc95SChris Siden zo->zo_threads = MAX(1, value); 652fa9e4066Sahrens break; 6533d7072f8Seschrock case 'g': 654420dfc95SChris Siden zo->zo_metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, 655420dfc95SChris Siden value); 656fa9e4066Sahrens break; 6573d7072f8Seschrock case 'i': 658420dfc95SChris Siden zo->zo_init = value; 659fa9e4066Sahrens break; 6603d7072f8Seschrock case 'k': 661420dfc95SChris Siden zo->zo_killrate = value; 662fa9e4066Sahrens break; 6633d7072f8Seschrock case 'p': 664420dfc95SChris Siden (void) strlcpy(zo->zo_pool, optarg, 665420dfc95SChris Siden sizeof (zo->zo_pool)); 666fa9e4066Sahrens break; 6673d7072f8Seschrock case 'f': 668420dfc95SChris Siden path = realpath(optarg, NULL); 669420dfc95SChris Siden if (path == NULL) { 670420dfc95SChris Siden (void) fprintf(stderr, "error: %s: %s\n", 671420dfc95SChris Siden optarg, strerror(errno)); 672420dfc95SChris Siden usage(B_FALSE); 673420dfc95SChris Siden } else { 674420dfc95SChris Siden (void) strlcpy(zo->zo_dir, path, 675420dfc95SChris Siden sizeof (zo->zo_dir)); 676420dfc95SChris Siden } 677fa9e4066Sahrens break; 6783d7072f8Seschrock case 'V': 679420dfc95SChris Siden zo->zo_verbose++; 680fa9e4066Sahrens break; 6813d7072f8Seschrock case 'E': 682420dfc95SChris Siden zo->zo_init = 0; 683fa9e4066Sahrens break; 6843d7072f8Seschrock case 'T': 685420dfc95SChris Siden zo->zo_time = value; 686fa9e4066Sahrens break; 6873d7072f8Seschrock case 'P': 688420dfc95SChris Siden zo->zo_passtime = MAX(1, value); 689fa9e4066Sahrens break; 6902215e990SMark J Musante case 'F': 691420dfc95SChris Siden zo->zo_maxloops = MAX(1, value); 692420dfc95SChris Siden break; 693420dfc95SChris Siden case 'B': 694420dfc95SChris Siden (void) strlcpy(altdir, optarg, sizeof (altdir)); 6952215e990SMark J Musante break; 6963d7072f8Seschrock case 'h': 697f1b4288bSvb usage(B_TRUE); 698f1b4288bSvb break; 6993d7072f8Seschrock case '?': 7003d7072f8Seschrock default: 701f1b4288bSvb usage(B_FALSE); 702fa9e4066Sahrens break; 703fa9e4066Sahrens } 704fa9e4066Sahrens } 705fa9e4066Sahrens 706420dfc95SChris Siden zo->zo_raidz_parity = MIN(zo->zo_raidz_parity, zo->zo_raidz - 1); 70799653d4eSeschrock 708420dfc95SChris Siden zo->zo_vdevtime = 709420dfc95SChris Siden (zo->zo_vdevs > 0 ? zo->zo_time * NANOSEC / zo->zo_vdevs : 710b24ab676SJeff Bonwick UINT64_MAX >> 2); 711420dfc95SChris Siden 712420dfc95SChris Siden if (strlen(altdir) > 0) { 713741652b0SEtienne Dechamps char *cmd; 714741652b0SEtienne Dechamps char *realaltdir; 715420dfc95SChris Siden char *bin; 716420dfc95SChris Siden char *ztest; 717420dfc95SChris Siden char *isa; 718420dfc95SChris Siden int isalen; 719420dfc95SChris Siden 720741652b0SEtienne Dechamps cmd = umem_alloc(MAXPATHLEN, UMEM_NOFAIL); 721741652b0SEtienne Dechamps realaltdir = umem_alloc(MAXPATHLEN, UMEM_NOFAIL); 722741652b0SEtienne Dechamps 723741652b0SEtienne Dechamps VERIFY(NULL != realpath(getexecname(), cmd)); 724420dfc95SChris Siden if (0 != access(altdir, F_OK)) { 725420dfc95SChris Siden ztest_dump_core = B_FALSE; 726420dfc95SChris Siden fatal(B_TRUE, "invalid alternate ztest path: %s", 727420dfc95SChris Siden altdir); 728420dfc95SChris Siden } 729420dfc95SChris Siden VERIFY(NULL != realpath(altdir, realaltdir)); 730420dfc95SChris Siden 731420dfc95SChris Siden /* 732420dfc95SChris Siden * 'cmd' should be of the form "<anything>/usr/bin/<isa>/ztest". 733420dfc95SChris Siden * We want to extract <isa> to determine if we should use 734420dfc95SChris Siden * 32 or 64 bit binaries. 735420dfc95SChris Siden */ 736420dfc95SChris Siden bin = strstr(cmd, "/usr/bin/"); 737420dfc95SChris Siden ztest = strstr(bin, "/ztest"); 738420dfc95SChris Siden isa = bin + 9; 739420dfc95SChris Siden isalen = ztest - isa; 740420dfc95SChris Siden (void) snprintf(zo->zo_alt_ztest, sizeof (zo->zo_alt_ztest), 741420dfc95SChris Siden "%s/usr/bin/%.*s/ztest", realaltdir, isalen, isa); 742420dfc95SChris Siden (void) snprintf(zo->zo_alt_libpath, sizeof (zo->zo_alt_libpath), 743420dfc95SChris Siden "%s/usr/lib/%.*s", realaltdir, isalen, isa); 744420dfc95SChris Siden 745420dfc95SChris Siden if (0 != access(zo->zo_alt_ztest, X_OK)) { 746420dfc95SChris Siden ztest_dump_core = B_FALSE; 747420dfc95SChris Siden fatal(B_TRUE, "invalid alternate ztest: %s", 748420dfc95SChris Siden zo->zo_alt_ztest); 749420dfc95SChris Siden } else if (0 != access(zo->zo_alt_libpath, X_OK)) { 750420dfc95SChris Siden ztest_dump_core = B_FALSE; 751420dfc95SChris Siden fatal(B_TRUE, "invalid alternate lib directory %s", 752420dfc95SChris Siden zo->zo_alt_libpath); 753420dfc95SChris Siden } 754741652b0SEtienne Dechamps 755741652b0SEtienne Dechamps umem_free(cmd, MAXPATHLEN); 756741652b0SEtienne Dechamps umem_free(realaltdir, MAXPATHLEN); 757420dfc95SChris Siden } 758fa9e4066Sahrens } 759fa9e4066Sahrens 760b24ab676SJeff Bonwick static void 761b24ab676SJeff Bonwick ztest_kill(ztest_shared_t *zs) 762b24ab676SJeff Bonwick { 763420dfc95SChris Siden zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(ztest_spa)); 764420dfc95SChris Siden zs->zs_space = metaslab_class_get_space(spa_normal_class(ztest_spa)); 765b24ab676SJeff Bonwick (void) kill(getpid(), SIGKILL); 766b24ab676SJeff Bonwick } 767b24ab676SJeff Bonwick 768b24ab676SJeff Bonwick static uint64_t 769b24ab676SJeff Bonwick ztest_random(uint64_t range) 770b24ab676SJeff Bonwick { 771b24ab676SJeff Bonwick uint64_t r; 772b24ab676SJeff Bonwick 773741652b0SEtienne Dechamps ASSERT3S(ztest_fd_rand, >=, 0); 774741652b0SEtienne Dechamps 775b24ab676SJeff Bonwick if (range == 0) 776b24ab676SJeff Bonwick return (0); 777b24ab676SJeff Bonwick 778741652b0SEtienne Dechamps if (read(ztest_fd_rand, &r, sizeof (r)) != sizeof (r)) 779b24ab676SJeff Bonwick fatal(1, "short read from /dev/urandom"); 780b24ab676SJeff Bonwick 781b24ab676SJeff Bonwick return (r % range); 782b24ab676SJeff Bonwick } 783b24ab676SJeff Bonwick 784b24ab676SJeff Bonwick /* ARGSUSED */ 785b24ab676SJeff Bonwick static void 786b24ab676SJeff Bonwick ztest_record_enospc(const char *s) 787b24ab676SJeff Bonwick { 788b24ab676SJeff Bonwick ztest_shared->zs_enospc_count++; 789b24ab676SJeff Bonwick } 790b24ab676SJeff Bonwick 791ecc2d604Sbonwick static uint64_t 792ecc2d604Sbonwick ztest_get_ashift(void) 793ecc2d604Sbonwick { 794420dfc95SChris Siden if (ztest_opts.zo_ashift == 0) 795ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 796420dfc95SChris Siden return (ztest_opts.zo_ashift); 797ecc2d604Sbonwick } 798ecc2d604Sbonwick 799fa9e4066Sahrens static nvlist_t * 800*25345e46SGeorge Wilson make_vdev_file(char *path, char *aux, char *pool, size_t size, uint64_t ashift) 801fa9e4066Sahrens { 802e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 803fa9e4066Sahrens uint64_t vdev; 804fa9e4066Sahrens nvlist_t *file; 805fa9e4066Sahrens 806e14bb325SJeff Bonwick if (ashift == 0) 807e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 808e14bb325SJeff Bonwick 809e14bb325SJeff Bonwick if (path == NULL) { 810e14bb325SJeff Bonwick path = pathbuf; 811fa9e4066Sahrens 812e14bb325SJeff Bonwick if (aux != NULL) { 813e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 814420dfc95SChris Siden (void) snprintf(path, sizeof (pathbuf), 815420dfc95SChris Siden ztest_aux_template, ztest_opts.zo_dir, 816*25345e46SGeorge Wilson pool == NULL ? ztest_opts.zo_pool : pool, 817*25345e46SGeorge Wilson aux, vdev); 818e14bb325SJeff Bonwick } else { 81988ecc943SGeorge Wilson vdev = ztest_shared->zs_vdev_next_leaf++; 820420dfc95SChris Siden (void) snprintf(path, sizeof (pathbuf), 821420dfc95SChris Siden ztest_dev_template, ztest_opts.zo_dir, 822*25345e46SGeorge Wilson pool == NULL ? ztest_opts.zo_pool : pool, vdev); 823e14bb325SJeff Bonwick } 824e14bb325SJeff Bonwick } 825e14bb325SJeff Bonwick 826e14bb325SJeff Bonwick if (size != 0) { 827e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 828fa9e4066Sahrens if (fd == -1) 829e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 830fa9e4066Sahrens if (ftruncate(fd, size) != 0) 831e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 832fa9e4066Sahrens (void) close(fd); 833fa9e4066Sahrens } 834fa9e4066Sahrens 835fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 836fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 837e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 838ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 839fa9e4066Sahrens 840fa9e4066Sahrens return (file); 841fa9e4066Sahrens } 842fa9e4066Sahrens 843fa9e4066Sahrens static nvlist_t * 844*25345e46SGeorge Wilson make_vdev_raidz(char *path, char *aux, char *pool, size_t size, 845*25345e46SGeorge Wilson uint64_t ashift, int r) 846fa9e4066Sahrens { 847fa9e4066Sahrens nvlist_t *raidz, **child; 848fa9e4066Sahrens int c; 849fa9e4066Sahrens 850fa9e4066Sahrens if (r < 2) 851*25345e46SGeorge Wilson return (make_vdev_file(path, aux, pool, size, ashift)); 852fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 853fa9e4066Sahrens 854fa9e4066Sahrens for (c = 0; c < r; c++) 855*25345e46SGeorge Wilson child[c] = make_vdev_file(path, aux, pool, size, ashift); 856fa9e4066Sahrens 857fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 858fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 859fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 86099653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 861420dfc95SChris Siden ztest_opts.zo_raidz_parity) == 0); 862fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 863fa9e4066Sahrens child, r) == 0); 864fa9e4066Sahrens 865fa9e4066Sahrens for (c = 0; c < r; c++) 866fa9e4066Sahrens nvlist_free(child[c]); 867fa9e4066Sahrens 868fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 869fa9e4066Sahrens 870fa9e4066Sahrens return (raidz); 871fa9e4066Sahrens } 872fa9e4066Sahrens 873fa9e4066Sahrens static nvlist_t * 874*25345e46SGeorge Wilson make_vdev_mirror(char *path, char *aux, char *pool, size_t size, 875*25345e46SGeorge Wilson uint64_t ashift, int r, int m) 876fa9e4066Sahrens { 877fa9e4066Sahrens nvlist_t *mirror, **child; 878fa9e4066Sahrens int c; 879fa9e4066Sahrens 880fa9e4066Sahrens if (m < 1) 881*25345e46SGeorge Wilson return (make_vdev_raidz(path, aux, pool, size, ashift, r)); 882fa9e4066Sahrens 883fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 884fa9e4066Sahrens 885fa9e4066Sahrens for (c = 0; c < m; c++) 886*25345e46SGeorge Wilson child[c] = make_vdev_raidz(path, aux, pool, size, ashift, r); 887fa9e4066Sahrens 888fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 889fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 890fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 891fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 892fa9e4066Sahrens child, m) == 0); 893fa9e4066Sahrens 894fa9e4066Sahrens for (c = 0; c < m; c++) 895fa9e4066Sahrens nvlist_free(child[c]); 896fa9e4066Sahrens 897fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 898fa9e4066Sahrens 899fa9e4066Sahrens return (mirror); 900fa9e4066Sahrens } 901fa9e4066Sahrens 902fa9e4066Sahrens static nvlist_t * 903*25345e46SGeorge Wilson make_vdev_root(char *path, char *aux, char *pool, size_t size, uint64_t ashift, 904*25345e46SGeorge Wilson int log, int r, int m, int t) 905fa9e4066Sahrens { 906fa9e4066Sahrens nvlist_t *root, **child; 907fa9e4066Sahrens int c; 908fa9e4066Sahrens 909fa9e4066Sahrens ASSERT(t > 0); 910fa9e4066Sahrens 911fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 912fa9e4066Sahrens 91331157203SJeff Bonwick for (c = 0; c < t; c++) { 914*25345e46SGeorge Wilson child[c] = make_vdev_mirror(path, aux, pool, size, ashift, 915*25345e46SGeorge Wilson r, m); 91631157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 91731157203SJeff Bonwick log) == 0); 91831157203SJeff Bonwick } 919fa9e4066Sahrens 920fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 921fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 922e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 923fa9e4066Sahrens child, t) == 0); 924fa9e4066Sahrens 925fa9e4066Sahrens for (c = 0; c < t; c++) 926fa9e4066Sahrens nvlist_free(child[c]); 927fa9e4066Sahrens 928fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 929fa9e4066Sahrens 930fa9e4066Sahrens return (root); 931fa9e4066Sahrens } 932fa9e4066Sahrens 933*25345e46SGeorge Wilson /* 934*25345e46SGeorge Wilson * Find a random spa version. Returns back a random spa version in the 935*25345e46SGeorge Wilson * range [initial_version, SPA_VERSION_FEATURES]. 936*25345e46SGeorge Wilson */ 937*25345e46SGeorge Wilson static uint64_t 938*25345e46SGeorge Wilson ztest_random_spa_version(uint64_t initial_version) 939*25345e46SGeorge Wilson { 940*25345e46SGeorge Wilson uint64_t version = initial_version; 941*25345e46SGeorge Wilson 942*25345e46SGeorge Wilson if (version <= SPA_VERSION_BEFORE_FEATURES) { 943*25345e46SGeorge Wilson version = version + 944*25345e46SGeorge Wilson ztest_random(SPA_VERSION_BEFORE_FEATURES - version + 1); 945*25345e46SGeorge Wilson } 946*25345e46SGeorge Wilson 947*25345e46SGeorge Wilson if (version > SPA_VERSION_BEFORE_FEATURES) 948*25345e46SGeorge Wilson version = SPA_VERSION_FEATURES; 949*25345e46SGeorge Wilson 950*25345e46SGeorge Wilson ASSERT(SPA_VERSION_IS_SUPPORTED(version)); 951*25345e46SGeorge Wilson return (version); 952*25345e46SGeorge Wilson } 953*25345e46SGeorge Wilson 954b24ab676SJeff Bonwick static int 955b24ab676SJeff Bonwick ztest_random_blocksize(void) 956fa9e4066Sahrens { 957b24ab676SJeff Bonwick return (1 << (SPA_MINBLOCKSHIFT + 958b24ab676SJeff Bonwick ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1))); 959b24ab676SJeff Bonwick } 960fa9e4066Sahrens 961b24ab676SJeff Bonwick static int 962b24ab676SJeff Bonwick ztest_random_ibshift(void) 963b24ab676SJeff Bonwick { 964b24ab676SJeff Bonwick return (DN_MIN_INDBLKSHIFT + 965b24ab676SJeff Bonwick ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1)); 966fa9e4066Sahrens } 967fa9e4066Sahrens 968b24ab676SJeff Bonwick static uint64_t 969b24ab676SJeff Bonwick ztest_random_vdev_top(spa_t *spa, boolean_t log_ok) 970fa9e4066Sahrens { 971b24ab676SJeff Bonwick uint64_t top; 972b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 973b24ab676SJeff Bonwick vdev_t *tvd; 974fa9e4066Sahrens 975b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); 976fa9e4066Sahrens 977b24ab676SJeff Bonwick do { 978b24ab676SJeff Bonwick top = ztest_random(rvd->vdev_children); 979b24ab676SJeff Bonwick tvd = rvd->vdev_child[top]; 980b24ab676SJeff Bonwick } while (tvd->vdev_ishole || (tvd->vdev_islog && !log_ok) || 981b24ab676SJeff Bonwick tvd->vdev_mg == NULL || tvd->vdev_mg->mg_class == NULL); 982fa9e4066Sahrens 983b24ab676SJeff Bonwick return (top); 984fa9e4066Sahrens } 985fa9e4066Sahrens 986b24ab676SJeff Bonwick static uint64_t 987b24ab676SJeff Bonwick ztest_random_dsl_prop(zfs_prop_t prop) 988fa9e4066Sahrens { 989b24ab676SJeff Bonwick uint64_t value; 990b24ab676SJeff Bonwick 991b24ab676SJeff Bonwick do { 992b24ab676SJeff Bonwick value = zfs_prop_random_value(prop, ztest_random(-1ULL)); 993b24ab676SJeff Bonwick } while (prop == ZFS_PROP_CHECKSUM && value == ZIO_CHECKSUM_OFF); 994b24ab676SJeff Bonwick 995b24ab676SJeff Bonwick return (value); 996fa9e4066Sahrens } 997fa9e4066Sahrens 998fa9e4066Sahrens static int 999b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(char *osname, zfs_prop_t prop, uint64_t value, 1000b24ab676SJeff Bonwick boolean_t inherit) 1001fa9e4066Sahrens { 1002b24ab676SJeff Bonwick const char *propname = zfs_prop_to_name(prop); 1003b24ab676SJeff Bonwick const char *valname; 1004b24ab676SJeff Bonwick char setpoint[MAXPATHLEN]; 1005b24ab676SJeff Bonwick uint64_t curval; 1006fa9e4066Sahrens int error; 1007fa9e4066Sahrens 100892241e0bSTom Erickson error = dsl_prop_set(osname, propname, 100992241e0bSTom Erickson (inherit ? ZPROP_SRC_NONE : ZPROP_SRC_LOCAL), 101092241e0bSTom Erickson sizeof (value), 1, &value); 1011fa9e4066Sahrens 1012b24ab676SJeff Bonwick if (error == ENOSPC) { 1013b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 1014fa9e4066Sahrens return (error); 1015fa9e4066Sahrens } 1016fb09f5aaSMadhav Suresh ASSERT0(error); 1017fa9e4066Sahrens 1018b24ab676SJeff Bonwick VERIFY3U(dsl_prop_get(osname, propname, sizeof (curval), 1019b24ab676SJeff Bonwick 1, &curval, setpoint), ==, 0); 1020b24ab676SJeff Bonwick 1021420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 1022b24ab676SJeff Bonwick VERIFY(zfs_prop_index_to_string(prop, curval, &valname) == 0); 1023b24ab676SJeff Bonwick (void) printf("%s %s = %s at '%s'\n", 1024b24ab676SJeff Bonwick osname, propname, valname, setpoint); 1025fa9e4066Sahrens } 1026fa9e4066Sahrens 1027fa9e4066Sahrens return (error); 1028fa9e4066Sahrens } 1029fa9e4066Sahrens 1030fa9e4066Sahrens static int 1031420dfc95SChris Siden ztest_spa_prop_set_uint64(zpool_prop_t prop, uint64_t value) 1032fa9e4066Sahrens { 1033420dfc95SChris Siden spa_t *spa = ztest_spa; 1034b24ab676SJeff Bonwick nvlist_t *props = NULL; 1035fa9e4066Sahrens int error; 1036fa9e4066Sahrens 1037b24ab676SJeff Bonwick VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 1038b24ab676SJeff Bonwick VERIFY(nvlist_add_uint64(props, zpool_prop_to_name(prop), value) == 0); 1039fa9e4066Sahrens 1040b24ab676SJeff Bonwick error = spa_prop_set(spa, props); 1041b24ab676SJeff Bonwick 1042b24ab676SJeff Bonwick nvlist_free(props); 1043b24ab676SJeff Bonwick 1044b24ab676SJeff Bonwick if (error == ENOSPC) { 1045b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 1046fa9e4066Sahrens return (error); 1047fa9e4066Sahrens } 1048fb09f5aaSMadhav Suresh ASSERT0(error); 1049fa9e4066Sahrens 1050fa9e4066Sahrens return (error); 1051fa9e4066Sahrens } 1052fa9e4066Sahrens 1053b24ab676SJeff Bonwick static void 1054b24ab676SJeff Bonwick ztest_rll_init(rll_t *rll) 1055b24ab676SJeff Bonwick { 1056b24ab676SJeff Bonwick rll->rll_writer = NULL; 1057b24ab676SJeff Bonwick rll->rll_readers = 0; 1058b24ab676SJeff Bonwick VERIFY(_mutex_init(&rll->rll_lock, USYNC_THREAD, NULL) == 0); 1059b24ab676SJeff Bonwick VERIFY(cond_init(&rll->rll_cv, USYNC_THREAD, NULL) == 0); 1060b24ab676SJeff Bonwick } 1061fa9e4066Sahrens 1062b24ab676SJeff Bonwick static void 1063b24ab676SJeff Bonwick ztest_rll_destroy(rll_t *rll) 1064fa9e4066Sahrens { 1065b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 1066b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 1067b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&rll->rll_lock) == 0); 1068b24ab676SJeff Bonwick VERIFY(cond_destroy(&rll->rll_cv) == 0); 1069b24ab676SJeff Bonwick } 1070fa9e4066Sahrens 1071b24ab676SJeff Bonwick static void 1072b24ab676SJeff Bonwick ztest_rll_lock(rll_t *rll, rl_type_t type) 1073b24ab676SJeff Bonwick { 1074b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 1075fa9e4066Sahrens 1076b24ab676SJeff Bonwick if (type == RL_READER) { 1077b24ab676SJeff Bonwick while (rll->rll_writer != NULL) 1078b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 1079b24ab676SJeff Bonwick rll->rll_readers++; 1080b24ab676SJeff Bonwick } else { 1081b24ab676SJeff Bonwick while (rll->rll_writer != NULL || rll->rll_readers) 1082b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 1083b24ab676SJeff Bonwick rll->rll_writer = curthread; 1084b24ab676SJeff Bonwick } 1085fa9e4066Sahrens 1086b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 1087b24ab676SJeff Bonwick } 1088fa9e4066Sahrens 1089b24ab676SJeff Bonwick static void 1090b24ab676SJeff Bonwick ztest_rll_unlock(rll_t *rll) 1091b24ab676SJeff Bonwick { 1092b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 1093fa9e4066Sahrens 1094b24ab676SJeff Bonwick if (rll->rll_writer) { 1095b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 1096b24ab676SJeff Bonwick rll->rll_writer = NULL; 1097b24ab676SJeff Bonwick } else { 1098b24ab676SJeff Bonwick ASSERT(rll->rll_readers != 0); 1099b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 1100b24ab676SJeff Bonwick rll->rll_readers--; 1101b24ab676SJeff Bonwick } 1102fa9e4066Sahrens 1103b24ab676SJeff Bonwick if (rll->rll_writer == NULL && rll->rll_readers == 0) 1104b24ab676SJeff Bonwick VERIFY(cond_broadcast(&rll->rll_cv) == 0); 1105b24ab676SJeff Bonwick 1106b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 1107fa9e4066Sahrens } 1108fa9e4066Sahrens 1109b24ab676SJeff Bonwick static void 1110b24ab676SJeff Bonwick ztest_object_lock(ztest_ds_t *zd, uint64_t object, rl_type_t type) 111131157203SJeff Bonwick { 1112b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 111331157203SJeff Bonwick 1114b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 1115b24ab676SJeff Bonwick } 111631157203SJeff Bonwick 1117b24ab676SJeff Bonwick static void 1118b24ab676SJeff Bonwick ztest_object_unlock(ztest_ds_t *zd, uint64_t object) 1119b24ab676SJeff Bonwick { 1120b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 112131157203SJeff Bonwick 1122b24ab676SJeff Bonwick ztest_rll_unlock(rll); 112331157203SJeff Bonwick } 112431157203SJeff Bonwick 1125b24ab676SJeff Bonwick static rl_t * 1126b24ab676SJeff Bonwick ztest_range_lock(ztest_ds_t *zd, uint64_t object, uint64_t offset, 1127b24ab676SJeff Bonwick uint64_t size, rl_type_t type) 112888ecc943SGeorge Wilson { 1129b24ab676SJeff Bonwick uint64_t hash = object ^ (offset % (ZTEST_RANGE_LOCKS + 1)); 1130b24ab676SJeff Bonwick rll_t *rll = &zd->zd_range_lock[hash & (ZTEST_RANGE_LOCKS - 1)]; 1131b24ab676SJeff Bonwick rl_t *rl; 113288ecc943SGeorge Wilson 1133b24ab676SJeff Bonwick rl = umem_alloc(sizeof (*rl), UMEM_NOFAIL); 1134b24ab676SJeff Bonwick rl->rl_object = object; 1135b24ab676SJeff Bonwick rl->rl_offset = offset; 1136b24ab676SJeff Bonwick rl->rl_size = size; 1137b24ab676SJeff Bonwick rl->rl_lock = rll; 113888ecc943SGeorge Wilson 1139b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 114088ecc943SGeorge Wilson 1141b24ab676SJeff Bonwick return (rl); 114288ecc943SGeorge Wilson } 114388ecc943SGeorge Wilson 1144b24ab676SJeff Bonwick static void 1145b24ab676SJeff Bonwick ztest_range_unlock(rl_t *rl) 1146fa9e4066Sahrens { 1147b24ab676SJeff Bonwick rll_t *rll = rl->rl_lock; 1148fa9e4066Sahrens 1149b24ab676SJeff Bonwick ztest_rll_unlock(rll); 1150fa9e4066Sahrens 1151b24ab676SJeff Bonwick umem_free(rl, sizeof (*rl)); 1152b24ab676SJeff Bonwick } 1153fa9e4066Sahrens 1154b24ab676SJeff Bonwick static void 1155420dfc95SChris Siden ztest_zd_init(ztest_ds_t *zd, ztest_shared_ds_t *szd, objset_t *os) 1156b24ab676SJeff Bonwick { 1157b24ab676SJeff Bonwick zd->zd_os = os; 1158b24ab676SJeff Bonwick zd->zd_zilog = dmu_objset_zil(os); 1159420dfc95SChris Siden zd->zd_shared = szd; 1160b24ab676SJeff Bonwick dmu_objset_name(os, zd->zd_name); 1161fa9e4066Sahrens 1162420dfc95SChris Siden if (zd->zd_shared != NULL) 1163420dfc95SChris Siden zd->zd_shared->zd_seq = 0; 1164420dfc95SChris Siden 1165c9ba2a43SEric Schrock VERIFY(rwlock_init(&zd->zd_zilog_lock, USYNC_THREAD, NULL) == 0); 1166b24ab676SJeff Bonwick VERIFY(_mutex_init(&zd->zd_dirobj_lock, USYNC_THREAD, NULL) == 0); 1167b24ab676SJeff Bonwick 1168b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1169b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_object_lock[l]); 1170b24ab676SJeff Bonwick 1171b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1172b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_range_lock[l]); 1173b24ab676SJeff Bonwick } 1174b24ab676SJeff Bonwick 1175b24ab676SJeff Bonwick static void 1176b24ab676SJeff Bonwick ztest_zd_fini(ztest_ds_t *zd) 1177b24ab676SJeff Bonwick { 1178b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&zd->zd_dirobj_lock) == 0); 1179b24ab676SJeff Bonwick 1180b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1181b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_object_lock[l]); 1182b24ab676SJeff Bonwick 1183b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1184b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_range_lock[l]); 1185b24ab676SJeff Bonwick } 1186b24ab676SJeff Bonwick 1187b24ab676SJeff Bonwick #define TXG_MIGHTWAIT (ztest_random(10) == 0 ? TXG_NOWAIT : TXG_WAIT) 1188b24ab676SJeff Bonwick 1189b24ab676SJeff Bonwick static uint64_t 1190b24ab676SJeff Bonwick ztest_tx_assign(dmu_tx_t *tx, uint64_t txg_how, const char *tag) 1191b24ab676SJeff Bonwick { 1192b24ab676SJeff Bonwick uint64_t txg; 1193b24ab676SJeff Bonwick int error; 1194b24ab676SJeff Bonwick 1195b24ab676SJeff Bonwick /* 1196b24ab676SJeff Bonwick * Attempt to assign tx to some transaction group. 1197b24ab676SJeff Bonwick */ 1198b24ab676SJeff Bonwick error = dmu_tx_assign(tx, txg_how); 1199b24ab676SJeff Bonwick if (error) { 1200b24ab676SJeff Bonwick if (error == ERESTART) { 1201b24ab676SJeff Bonwick ASSERT(txg_how == TXG_NOWAIT); 1202b24ab676SJeff Bonwick dmu_tx_wait(tx); 1203b24ab676SJeff Bonwick } else { 1204b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1205b24ab676SJeff Bonwick ztest_record_enospc(tag); 1206b24ab676SJeff Bonwick } 1207b24ab676SJeff Bonwick dmu_tx_abort(tx); 1208b24ab676SJeff Bonwick return (0); 1209b24ab676SJeff Bonwick } 1210b24ab676SJeff Bonwick txg = dmu_tx_get_txg(tx); 1211b24ab676SJeff Bonwick ASSERT(txg != 0); 1212b24ab676SJeff Bonwick return (txg); 1213b24ab676SJeff Bonwick } 1214b24ab676SJeff Bonwick 1215b24ab676SJeff Bonwick static void 1216b24ab676SJeff Bonwick ztest_pattern_set(void *buf, uint64_t size, uint64_t value) 1217b24ab676SJeff Bonwick { 1218b24ab676SJeff Bonwick uint64_t *ip = buf; 1219b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1220b24ab676SJeff Bonwick 1221b24ab676SJeff Bonwick while (ip < ip_end) 1222b24ab676SJeff Bonwick *ip++ = value; 1223b24ab676SJeff Bonwick } 1224b24ab676SJeff Bonwick 1225b24ab676SJeff Bonwick static boolean_t 1226b24ab676SJeff Bonwick ztest_pattern_match(void *buf, uint64_t size, uint64_t value) 1227b24ab676SJeff Bonwick { 1228b24ab676SJeff Bonwick uint64_t *ip = buf; 1229b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1230b24ab676SJeff Bonwick uint64_t diff = 0; 1231b24ab676SJeff Bonwick 1232b24ab676SJeff Bonwick while (ip < ip_end) 1233b24ab676SJeff Bonwick diff |= (value - *ip++); 1234b24ab676SJeff Bonwick 1235b24ab676SJeff Bonwick return (diff == 0); 1236b24ab676SJeff Bonwick } 1237b24ab676SJeff Bonwick 1238b24ab676SJeff Bonwick static void 1239b24ab676SJeff Bonwick ztest_bt_generate(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1240b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1241b24ab676SJeff Bonwick { 1242b24ab676SJeff Bonwick bt->bt_magic = BT_MAGIC; 1243b24ab676SJeff Bonwick bt->bt_objset = dmu_objset_id(os); 1244b24ab676SJeff Bonwick bt->bt_object = object; 1245b24ab676SJeff Bonwick bt->bt_offset = offset; 1246b24ab676SJeff Bonwick bt->bt_gen = gen; 1247b24ab676SJeff Bonwick bt->bt_txg = txg; 1248b24ab676SJeff Bonwick bt->bt_crtxg = crtxg; 1249b24ab676SJeff Bonwick } 1250b24ab676SJeff Bonwick 1251b24ab676SJeff Bonwick static void 1252b24ab676SJeff Bonwick ztest_bt_verify(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1253b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1254b24ab676SJeff Bonwick { 1255b24ab676SJeff Bonwick ASSERT(bt->bt_magic == BT_MAGIC); 1256b24ab676SJeff Bonwick ASSERT(bt->bt_objset == dmu_objset_id(os)); 1257b24ab676SJeff Bonwick ASSERT(bt->bt_object == object); 1258b24ab676SJeff Bonwick ASSERT(bt->bt_offset == offset); 1259b24ab676SJeff Bonwick ASSERT(bt->bt_gen <= gen); 1260b24ab676SJeff Bonwick ASSERT(bt->bt_txg <= txg); 1261b24ab676SJeff Bonwick ASSERT(bt->bt_crtxg == crtxg); 1262b24ab676SJeff Bonwick } 1263b24ab676SJeff Bonwick 1264b24ab676SJeff Bonwick static ztest_block_tag_t * 1265b24ab676SJeff Bonwick ztest_bt_bonus(dmu_buf_t *db) 1266b24ab676SJeff Bonwick { 1267b24ab676SJeff Bonwick dmu_object_info_t doi; 1268b24ab676SJeff Bonwick ztest_block_tag_t *bt; 1269b24ab676SJeff Bonwick 1270b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1271b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, <=, db->db_size); 1272b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, >=, sizeof (*bt)); 1273b24ab676SJeff Bonwick bt = (void *)((char *)db->db_data + doi.doi_bonus_size - sizeof (*bt)); 1274b24ab676SJeff Bonwick 1275b24ab676SJeff Bonwick return (bt); 1276b24ab676SJeff Bonwick } 1277b24ab676SJeff Bonwick 1278b24ab676SJeff Bonwick /* 1279b24ab676SJeff Bonwick * ZIL logging ops 1280b24ab676SJeff Bonwick */ 1281b24ab676SJeff Bonwick 1282b24ab676SJeff Bonwick #define lrz_type lr_mode 1283b24ab676SJeff Bonwick #define lrz_blocksize lr_uid 1284b24ab676SJeff Bonwick #define lrz_ibshift lr_gid 1285b24ab676SJeff Bonwick #define lrz_bonustype lr_rdev 1286b24ab676SJeff Bonwick #define lrz_bonuslen lr_crtime[1] 1287b24ab676SJeff Bonwick 12885002558fSNeil Perrin static void 1289b24ab676SJeff Bonwick ztest_log_create(ztest_ds_t *zd, dmu_tx_t *tx, lr_create_t *lr) 1290b24ab676SJeff Bonwick { 1291b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1292b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1293b24ab676SJeff Bonwick itx_t *itx; 1294b24ab676SJeff Bonwick 1295b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 12965002558fSNeil Perrin return; 1297b24ab676SJeff Bonwick 1298b24ab676SJeff Bonwick itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize); 1299b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1300b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1301b24ab676SJeff Bonwick 13025002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1303b24ab676SJeff Bonwick } 1304b24ab676SJeff Bonwick 13055002558fSNeil Perrin static void 13065002558fSNeil Perrin ztest_log_remove(ztest_ds_t *zd, dmu_tx_t *tx, lr_remove_t *lr, uint64_t object) 1307b24ab676SJeff Bonwick { 1308b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1309b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1310b24ab676SJeff Bonwick itx_t *itx; 1311b24ab676SJeff Bonwick 1312b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13135002558fSNeil Perrin return; 1314b24ab676SJeff Bonwick 1315b24ab676SJeff Bonwick itx = zil_itx_create(TX_REMOVE, sizeof (*lr) + namesize); 1316b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1317b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1318b24ab676SJeff Bonwick 131951bd2f97SNeil Perrin itx->itx_oid = object; 13205002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1321b24ab676SJeff Bonwick } 1322b24ab676SJeff Bonwick 13235002558fSNeil Perrin static void 1324b24ab676SJeff Bonwick ztest_log_write(ztest_ds_t *zd, dmu_tx_t *tx, lr_write_t *lr) 1325b24ab676SJeff Bonwick { 1326b24ab676SJeff Bonwick itx_t *itx; 1327b24ab676SJeff Bonwick itx_wr_state_t write_state = ztest_random(WR_NUM_STATES); 1328b24ab676SJeff Bonwick 1329b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13305002558fSNeil Perrin return; 1331b24ab676SJeff Bonwick 1332b24ab676SJeff Bonwick if (lr->lr_length > ZIL_MAX_LOG_DATA) 1333b24ab676SJeff Bonwick write_state = WR_INDIRECT; 1334b24ab676SJeff Bonwick 1335b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, 1336b24ab676SJeff Bonwick sizeof (*lr) + (write_state == WR_COPIED ? lr->lr_length : 0)); 1337b24ab676SJeff Bonwick 1338b24ab676SJeff Bonwick if (write_state == WR_COPIED && 1339b24ab676SJeff Bonwick dmu_read(zd->zd_os, lr->lr_foid, lr->lr_offset, lr->lr_length, 1340b24ab676SJeff Bonwick ((lr_write_t *)&itx->itx_lr) + 1, DMU_READ_NO_PREFETCH) != 0) { 1341b24ab676SJeff Bonwick zil_itx_destroy(itx); 1342b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, sizeof (*lr)); 1343b24ab676SJeff Bonwick write_state = WR_NEED_COPY; 1344b24ab676SJeff Bonwick } 1345b24ab676SJeff Bonwick itx->itx_private = zd; 1346b24ab676SJeff Bonwick itx->itx_wr_state = write_state; 1347b24ab676SJeff Bonwick itx->itx_sync = (ztest_random(8) == 0); 1348b24ab676SJeff Bonwick itx->itx_sod += (write_state == WR_NEED_COPY ? lr->lr_length : 0); 1349b24ab676SJeff Bonwick 1350b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1351b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1352b24ab676SJeff Bonwick 13535002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1354b24ab676SJeff Bonwick } 1355b24ab676SJeff Bonwick 13565002558fSNeil Perrin static void 1357b24ab676SJeff Bonwick ztest_log_truncate(ztest_ds_t *zd, dmu_tx_t *tx, lr_truncate_t *lr) 1358b24ab676SJeff Bonwick { 1359b24ab676SJeff Bonwick itx_t *itx; 1360b24ab676SJeff Bonwick 1361b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13625002558fSNeil Perrin return; 1363b24ab676SJeff Bonwick 1364b24ab676SJeff Bonwick itx = zil_itx_create(TX_TRUNCATE, sizeof (*lr)); 1365b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1366b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1367b24ab676SJeff Bonwick 13685002558fSNeil Perrin itx->itx_sync = B_FALSE; 13695002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1370b24ab676SJeff Bonwick } 1371b24ab676SJeff Bonwick 13725002558fSNeil Perrin static void 1373b24ab676SJeff Bonwick ztest_log_setattr(ztest_ds_t *zd, dmu_tx_t *tx, lr_setattr_t *lr) 1374b24ab676SJeff Bonwick { 1375b24ab676SJeff Bonwick itx_t *itx; 1376b24ab676SJeff Bonwick 1377b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13785002558fSNeil Perrin return; 1379b24ab676SJeff Bonwick 1380b24ab676SJeff Bonwick itx = zil_itx_create(TX_SETATTR, sizeof (*lr)); 1381b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1382b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1383b24ab676SJeff Bonwick 13845002558fSNeil Perrin itx->itx_sync = B_FALSE; 13855002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1386b24ab676SJeff Bonwick } 1387b24ab676SJeff Bonwick 1388b24ab676SJeff Bonwick /* 1389b24ab676SJeff Bonwick * ZIL replay ops 1390b24ab676SJeff Bonwick */ 1391b24ab676SJeff Bonwick static int 1392b24ab676SJeff Bonwick ztest_replay_create(ztest_ds_t *zd, lr_create_t *lr, boolean_t byteswap) 1393b24ab676SJeff Bonwick { 1394b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1395b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1396b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1397b24ab676SJeff Bonwick dmu_buf_t *db; 1398b24ab676SJeff Bonwick dmu_tx_t *tx; 1399b24ab676SJeff Bonwick uint64_t txg; 1400b24ab676SJeff Bonwick int error = 0; 1401b24ab676SJeff Bonwick 1402b24ab676SJeff Bonwick if (byteswap) 1403b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1404b24ab676SJeff Bonwick 1405b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1406b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1407b24ab676SJeff Bonwick 1408b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1409b24ab676SJeff Bonwick 1410b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_TRUE, name); 1411b24ab676SJeff Bonwick 1412b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1413b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); 1414b24ab676SJeff Bonwick } else { 1415b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1416b24ab676SJeff Bonwick } 1417b24ab676SJeff Bonwick 1418b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1419b24ab676SJeff Bonwick if (txg == 0) 1420b24ab676SJeff Bonwick return (ENOSPC); 1421b24ab676SJeff Bonwick 1422b24ab676SJeff Bonwick ASSERT(dmu_objset_zil(os)->zl_replay == !!lr->lr_foid); 1423b24ab676SJeff Bonwick 1424b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1425b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1426b24ab676SJeff Bonwick lr->lr_foid = zap_create(os, 1427b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1428b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1429b24ab676SJeff Bonwick } else { 1430b24ab676SJeff Bonwick error = zap_create_claim(os, lr->lr_foid, 1431b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1432b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1433b24ab676SJeff Bonwick } 1434b24ab676SJeff Bonwick } else { 1435b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1436b24ab676SJeff Bonwick lr->lr_foid = dmu_object_alloc(os, 1437b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1438b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1439b24ab676SJeff Bonwick } else { 1440b24ab676SJeff Bonwick error = dmu_object_claim(os, lr->lr_foid, 1441b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1442b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1443b24ab676SJeff Bonwick } 1444b24ab676SJeff Bonwick } 1445b24ab676SJeff Bonwick 1446b24ab676SJeff Bonwick if (error) { 1447b24ab676SJeff Bonwick ASSERT3U(error, ==, EEXIST); 1448b24ab676SJeff Bonwick ASSERT(zd->zd_zilog->zl_replay); 1449b24ab676SJeff Bonwick dmu_tx_commit(tx); 1450b24ab676SJeff Bonwick return (error); 1451b24ab676SJeff Bonwick } 1452b24ab676SJeff Bonwick 1453b24ab676SJeff Bonwick ASSERT(lr->lr_foid != 0); 1454b24ab676SJeff Bonwick 1455b24ab676SJeff Bonwick if (lr->lrz_type != DMU_OT_ZAP_OTHER) 1456b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_set_blocksize(os, lr->lr_foid, 1457b24ab676SJeff Bonwick lr->lrz_blocksize, lr->lrz_ibshift, tx)); 1458b24ab676SJeff Bonwick 1459b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1460b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1461b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1462b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_gen, txg, txg); 1463b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1464b24ab676SJeff Bonwick 1465b420f3adSRichard Lowe VERIFY3U(0, ==, zap_add(os, lr->lr_doid, name, sizeof (uint64_t), 1, 1466b24ab676SJeff Bonwick &lr->lr_foid, tx)); 1467b24ab676SJeff Bonwick 1468b24ab676SJeff Bonwick (void) ztest_log_create(zd, tx, lr); 1469b24ab676SJeff Bonwick 1470b24ab676SJeff Bonwick dmu_tx_commit(tx); 1471b24ab676SJeff Bonwick 1472b24ab676SJeff Bonwick return (0); 1473b24ab676SJeff Bonwick } 1474b24ab676SJeff Bonwick 1475b24ab676SJeff Bonwick static int 1476b24ab676SJeff Bonwick ztest_replay_remove(ztest_ds_t *zd, lr_remove_t *lr, boolean_t byteswap) 1477b24ab676SJeff Bonwick { 1478b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1479b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1480b24ab676SJeff Bonwick dmu_object_info_t doi; 1481b24ab676SJeff Bonwick dmu_tx_t *tx; 1482b24ab676SJeff Bonwick uint64_t object, txg; 1483b24ab676SJeff Bonwick 1484b24ab676SJeff Bonwick if (byteswap) 1485b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1486b24ab676SJeff Bonwick 1487b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1488b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1489b24ab676SJeff Bonwick 1490b420f3adSRichard Lowe VERIFY3U(0, ==, 1491b24ab676SJeff Bonwick zap_lookup(os, lr->lr_doid, name, sizeof (object), 1, &object)); 1492b24ab676SJeff Bonwick ASSERT(object != 0); 1493b24ab676SJeff Bonwick 1494b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_WRITER); 1495b24ab676SJeff Bonwick 1496b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_info(os, object, &doi)); 1497b24ab676SJeff Bonwick 1498b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1499b24ab676SJeff Bonwick 1500b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_FALSE, name); 1501b24ab676SJeff Bonwick dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1502b24ab676SJeff Bonwick 1503b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1504b24ab676SJeff Bonwick if (txg == 0) { 1505b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1506b24ab676SJeff Bonwick return (ENOSPC); 1507b24ab676SJeff Bonwick } 1508b24ab676SJeff Bonwick 1509b24ab676SJeff Bonwick if (doi.doi_type == DMU_OT_ZAP_OTHER) { 1510b420f3adSRichard Lowe VERIFY3U(0, ==, zap_destroy(os, object, tx)); 1511b24ab676SJeff Bonwick } else { 1512b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_object_free(os, object, tx)); 1513b24ab676SJeff Bonwick } 1514b24ab676SJeff Bonwick 1515b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, lr->lr_doid, name, tx)); 1516b24ab676SJeff Bonwick 15175002558fSNeil Perrin (void) ztest_log_remove(zd, tx, lr, object); 1518b24ab676SJeff Bonwick 1519b24ab676SJeff Bonwick dmu_tx_commit(tx); 1520b24ab676SJeff Bonwick 1521b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1522b24ab676SJeff Bonwick 1523b24ab676SJeff Bonwick return (0); 1524b24ab676SJeff Bonwick } 1525b24ab676SJeff Bonwick 1526b24ab676SJeff Bonwick static int 1527b24ab676SJeff Bonwick ztest_replay_write(ztest_ds_t *zd, lr_write_t *lr, boolean_t byteswap) 1528b24ab676SJeff Bonwick { 1529b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1530b24ab676SJeff Bonwick void *data = lr + 1; /* data follows lr */ 1531b24ab676SJeff Bonwick uint64_t offset, length; 1532b24ab676SJeff Bonwick ztest_block_tag_t *bt = data; 1533b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1534b24ab676SJeff Bonwick uint64_t gen, txg, lrtxg, crtxg; 1535b24ab676SJeff Bonwick dmu_object_info_t doi; 1536b24ab676SJeff Bonwick dmu_tx_t *tx; 1537b24ab676SJeff Bonwick dmu_buf_t *db; 1538b24ab676SJeff Bonwick arc_buf_t *abuf = NULL; 1539b24ab676SJeff Bonwick rl_t *rl; 1540b24ab676SJeff Bonwick 1541b24ab676SJeff Bonwick if (byteswap) 1542b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1543b24ab676SJeff Bonwick 1544b24ab676SJeff Bonwick offset = lr->lr_offset; 1545b24ab676SJeff Bonwick length = lr->lr_length; 1546b24ab676SJeff Bonwick 1547b24ab676SJeff Bonwick /* If it's a dmu_sync() block, write the whole block */ 1548b24ab676SJeff Bonwick if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 1549b24ab676SJeff Bonwick uint64_t blocksize = BP_GET_LSIZE(&lr->lr_blkptr); 1550b24ab676SJeff Bonwick if (length < blocksize) { 1551b24ab676SJeff Bonwick offset -= offset % blocksize; 1552b24ab676SJeff Bonwick length = blocksize; 1553b24ab676SJeff Bonwick } 1554b24ab676SJeff Bonwick } 1555b24ab676SJeff Bonwick 1556b24ab676SJeff Bonwick if (bt->bt_magic == BSWAP_64(BT_MAGIC)) 1557b24ab676SJeff Bonwick byteswap_uint64_array(bt, sizeof (*bt)); 1558b24ab676SJeff Bonwick 1559b24ab676SJeff Bonwick if (bt->bt_magic != BT_MAGIC) 1560b24ab676SJeff Bonwick bt = NULL; 1561b24ab676SJeff Bonwick 1562b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1563b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, offset, length, RL_WRITER); 1564b24ab676SJeff Bonwick 1565b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1566b24ab676SJeff Bonwick 1567b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1568b24ab676SJeff Bonwick 1569b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1570b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1571b24ab676SJeff Bonwick gen = bbt->bt_gen; 1572b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1573b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1574b24ab676SJeff Bonwick 1575b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1576b24ab676SJeff Bonwick 1577b24ab676SJeff Bonwick dmu_tx_hold_write(tx, lr->lr_foid, offset, length); 1578b24ab676SJeff Bonwick 1579b24ab676SJeff Bonwick if (ztest_random(8) == 0 && length == doi.doi_data_block_size && 1580b24ab676SJeff Bonwick P2PHASE(offset, length) == 0) 1581b24ab676SJeff Bonwick abuf = dmu_request_arcbuf(db, length); 1582b24ab676SJeff Bonwick 1583b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1584b24ab676SJeff Bonwick if (txg == 0) { 1585b24ab676SJeff Bonwick if (abuf != NULL) 1586b24ab676SJeff Bonwick dmu_return_arcbuf(abuf); 1587b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1588b24ab676SJeff Bonwick ztest_range_unlock(rl); 1589b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1590b24ab676SJeff Bonwick return (ENOSPC); 1591b24ab676SJeff Bonwick } 1592b24ab676SJeff Bonwick 1593b24ab676SJeff Bonwick if (bt != NULL) { 1594b24ab676SJeff Bonwick /* 1595b24ab676SJeff Bonwick * Usually, verify the old data before writing new data -- 1596b24ab676SJeff Bonwick * but not always, because we also want to verify correct 1597b24ab676SJeff Bonwick * behavior when the data was not recently read into cache. 1598b24ab676SJeff Bonwick */ 1599b24ab676SJeff Bonwick ASSERT(offset % doi.doi_data_block_size == 0); 1600b24ab676SJeff Bonwick if (ztest_random(4) != 0) { 1601b24ab676SJeff Bonwick int prefetch = ztest_random(2) ? 1602b24ab676SJeff Bonwick DMU_READ_PREFETCH : DMU_READ_NO_PREFETCH; 1603b24ab676SJeff Bonwick ztest_block_tag_t rbt; 1604b24ab676SJeff Bonwick 1605b24ab676SJeff Bonwick VERIFY(dmu_read(os, lr->lr_foid, offset, 1606b24ab676SJeff Bonwick sizeof (rbt), &rbt, prefetch) == 0); 1607b24ab676SJeff Bonwick if (rbt.bt_magic == BT_MAGIC) { 1608b24ab676SJeff Bonwick ztest_bt_verify(&rbt, os, lr->lr_foid, 1609b24ab676SJeff Bonwick offset, gen, txg, crtxg); 1610b24ab676SJeff Bonwick } 1611b24ab676SJeff Bonwick } 1612b24ab676SJeff Bonwick 1613b24ab676SJeff Bonwick /* 1614b24ab676SJeff Bonwick * Writes can appear to be newer than the bonus buffer because 1615b24ab676SJeff Bonwick * the ztest_get_data() callback does a dmu_read() of the 1616b24ab676SJeff Bonwick * open-context data, which may be different than the data 1617b24ab676SJeff Bonwick * as it was when the write was generated. 1618b24ab676SJeff Bonwick */ 1619b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1620b24ab676SJeff Bonwick ztest_bt_verify(bt, os, lr->lr_foid, offset, 1621b24ab676SJeff Bonwick MAX(gen, bt->bt_gen), MAX(txg, lrtxg), 1622b24ab676SJeff Bonwick bt->bt_crtxg); 1623b24ab676SJeff Bonwick } 1624b24ab676SJeff Bonwick 1625b24ab676SJeff Bonwick /* 1626b24ab676SJeff Bonwick * Set the bt's gen/txg to the bonus buffer's gen/txg 1627b24ab676SJeff Bonwick * so that all of the usual ASSERTs will work. 1628b24ab676SJeff Bonwick */ 1629b24ab676SJeff Bonwick ztest_bt_generate(bt, os, lr->lr_foid, offset, gen, txg, crtxg); 1630b24ab676SJeff Bonwick } 1631b24ab676SJeff Bonwick 1632b24ab676SJeff Bonwick if (abuf == NULL) { 1633b24ab676SJeff Bonwick dmu_write(os, lr->lr_foid, offset, length, data, tx); 1634b24ab676SJeff Bonwick } else { 1635b24ab676SJeff Bonwick bcopy(data, abuf->b_data, length); 1636b24ab676SJeff Bonwick dmu_assign_arcbuf(db, offset, abuf, tx); 1637b24ab676SJeff Bonwick } 1638b24ab676SJeff Bonwick 1639b24ab676SJeff Bonwick (void) ztest_log_write(zd, tx, lr); 1640b24ab676SJeff Bonwick 1641b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1642b24ab676SJeff Bonwick 1643b24ab676SJeff Bonwick dmu_tx_commit(tx); 1644b24ab676SJeff Bonwick 1645b24ab676SJeff Bonwick ztest_range_unlock(rl); 1646b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1647b24ab676SJeff Bonwick 1648b24ab676SJeff Bonwick return (0); 1649b24ab676SJeff Bonwick } 1650b24ab676SJeff Bonwick 1651b24ab676SJeff Bonwick static int 1652b24ab676SJeff Bonwick ztest_replay_truncate(ztest_ds_t *zd, lr_truncate_t *lr, boolean_t byteswap) 1653b24ab676SJeff Bonwick { 1654b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1655b24ab676SJeff Bonwick dmu_tx_t *tx; 1656b24ab676SJeff Bonwick uint64_t txg; 1657b24ab676SJeff Bonwick rl_t *rl; 1658b24ab676SJeff Bonwick 1659b24ab676SJeff Bonwick if (byteswap) 1660b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1661b24ab676SJeff Bonwick 1662b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1663b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, lr->lr_offset, lr->lr_length, 1664b24ab676SJeff Bonwick RL_WRITER); 1665b24ab676SJeff Bonwick 1666b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1667b24ab676SJeff Bonwick 1668b24ab676SJeff Bonwick dmu_tx_hold_free(tx, lr->lr_foid, lr->lr_offset, lr->lr_length); 1669b24ab676SJeff Bonwick 1670b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1671b24ab676SJeff Bonwick if (txg == 0) { 1672b24ab676SJeff Bonwick ztest_range_unlock(rl); 1673b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1674b24ab676SJeff Bonwick return (ENOSPC); 1675b24ab676SJeff Bonwick } 1676b24ab676SJeff Bonwick 1677b24ab676SJeff Bonwick VERIFY(dmu_free_range(os, lr->lr_foid, lr->lr_offset, 1678b24ab676SJeff Bonwick lr->lr_length, tx) == 0); 1679b24ab676SJeff Bonwick 1680b24ab676SJeff Bonwick (void) ztest_log_truncate(zd, tx, lr); 1681b24ab676SJeff Bonwick 1682b24ab676SJeff Bonwick dmu_tx_commit(tx); 1683b24ab676SJeff Bonwick 1684b24ab676SJeff Bonwick ztest_range_unlock(rl); 1685b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1686b24ab676SJeff Bonwick 1687b24ab676SJeff Bonwick return (0); 1688b24ab676SJeff Bonwick } 1689b24ab676SJeff Bonwick 1690b24ab676SJeff Bonwick static int 1691b24ab676SJeff Bonwick ztest_replay_setattr(ztest_ds_t *zd, lr_setattr_t *lr, boolean_t byteswap) 1692b24ab676SJeff Bonwick { 1693b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1694b24ab676SJeff Bonwick dmu_tx_t *tx; 1695b24ab676SJeff Bonwick dmu_buf_t *db; 1696b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1697b24ab676SJeff Bonwick uint64_t txg, lrtxg, crtxg; 1698b24ab676SJeff Bonwick 1699b24ab676SJeff Bonwick if (byteswap) 1700b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1701b24ab676SJeff Bonwick 1702b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_WRITER); 1703b24ab676SJeff Bonwick 1704b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1705b24ab676SJeff Bonwick 1706b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1707b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, lr->lr_foid); 1708b24ab676SJeff Bonwick 1709b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1710b24ab676SJeff Bonwick if (txg == 0) { 1711b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1712b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1713b24ab676SJeff Bonwick return (ENOSPC); 1714b24ab676SJeff Bonwick } 1715b24ab676SJeff Bonwick 1716b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1717b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1718b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1719b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1720b24ab676SJeff Bonwick 1721b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1722b24ab676SJeff Bonwick ASSERT(lr->lr_size != 0); 1723b24ab676SJeff Bonwick ASSERT(lr->lr_mode != 0); 1724b24ab676SJeff Bonwick ASSERT(lrtxg != 0); 1725b24ab676SJeff Bonwick } else { 1726b24ab676SJeff Bonwick /* 1727b24ab676SJeff Bonwick * Randomly change the size and increment the generation. 1728b24ab676SJeff Bonwick */ 1729b24ab676SJeff Bonwick lr->lr_size = (ztest_random(db->db_size / sizeof (*bbt)) + 1) * 1730b24ab676SJeff Bonwick sizeof (*bbt); 1731b24ab676SJeff Bonwick lr->lr_mode = bbt->bt_gen + 1; 1732b24ab676SJeff Bonwick ASSERT(lrtxg == 0); 1733b24ab676SJeff Bonwick } 1734b24ab676SJeff Bonwick 1735b24ab676SJeff Bonwick /* 1736b24ab676SJeff Bonwick * Verify that the current bonus buffer is not newer than our txg. 1737b24ab676SJeff Bonwick */ 1738b24ab676SJeff Bonwick ztest_bt_verify(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, 1739b24ab676SJeff Bonwick MAX(txg, lrtxg), crtxg); 1740b24ab676SJeff Bonwick 1741b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1742b24ab676SJeff Bonwick 1743b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, >=, sizeof (*bbt)); 1744b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, <=, db->db_size); 1745fb09f5aaSMadhav Suresh VERIFY0(dmu_set_bonus(db, lr->lr_size, tx)); 1746b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1747b24ab676SJeff Bonwick 1748b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, txg, crtxg); 1749b24ab676SJeff Bonwick 1750b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1751b24ab676SJeff Bonwick 1752b24ab676SJeff Bonwick (void) ztest_log_setattr(zd, tx, lr); 1753b24ab676SJeff Bonwick 1754b24ab676SJeff Bonwick dmu_tx_commit(tx); 1755b24ab676SJeff Bonwick 1756b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1757b24ab676SJeff Bonwick 1758b24ab676SJeff Bonwick return (0); 1759b24ab676SJeff Bonwick } 1760b24ab676SJeff Bonwick 1761b24ab676SJeff Bonwick zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 1762b24ab676SJeff Bonwick NULL, /* 0 no such transaction type */ 1763b24ab676SJeff Bonwick ztest_replay_create, /* TX_CREATE */ 1764b24ab676SJeff Bonwick NULL, /* TX_MKDIR */ 1765b24ab676SJeff Bonwick NULL, /* TX_MKXATTR */ 1766b24ab676SJeff Bonwick NULL, /* TX_SYMLINK */ 1767b24ab676SJeff Bonwick ztest_replay_remove, /* TX_REMOVE */ 1768b24ab676SJeff Bonwick NULL, /* TX_RMDIR */ 1769b24ab676SJeff Bonwick NULL, /* TX_LINK */ 1770b24ab676SJeff Bonwick NULL, /* TX_RENAME */ 1771b24ab676SJeff Bonwick ztest_replay_write, /* TX_WRITE */ 1772b24ab676SJeff Bonwick ztest_replay_truncate, /* TX_TRUNCATE */ 1773b24ab676SJeff Bonwick ztest_replay_setattr, /* TX_SETATTR */ 1774b24ab676SJeff Bonwick NULL, /* TX_ACL */ 1775b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL */ 1776b24ab676SJeff Bonwick NULL, /* TX_CREATE_ATTR */ 1777b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL_ATTR */ 1778b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL */ 1779b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ATTR */ 1780b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL_ATTR */ 1781b24ab676SJeff Bonwick NULL, /* TX_WRITE2 */ 1782b24ab676SJeff Bonwick }; 1783b24ab676SJeff Bonwick 1784b24ab676SJeff Bonwick /* 1785b24ab676SJeff Bonwick * ZIL get_data callbacks 1786b24ab676SJeff Bonwick */ 1787b24ab676SJeff Bonwick 1788b24ab676SJeff Bonwick static void 1789b24ab676SJeff Bonwick ztest_get_done(zgd_t *zgd, int error) 1790b24ab676SJeff Bonwick { 1791b24ab676SJeff Bonwick ztest_ds_t *zd = zgd->zgd_private; 1792b24ab676SJeff Bonwick uint64_t object = zgd->zgd_rl->rl_object; 1793b24ab676SJeff Bonwick 1794b24ab676SJeff Bonwick if (zgd->zgd_db) 1795b24ab676SJeff Bonwick dmu_buf_rele(zgd->zgd_db, zgd); 1796b24ab676SJeff Bonwick 1797b24ab676SJeff Bonwick ztest_range_unlock(zgd->zgd_rl); 1798b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1799b24ab676SJeff Bonwick 1800b24ab676SJeff Bonwick if (error == 0 && zgd->zgd_bp) 1801b24ab676SJeff Bonwick zil_add_block(zgd->zgd_zilog, zgd->zgd_bp); 1802b24ab676SJeff Bonwick 1803b24ab676SJeff Bonwick umem_free(zgd, sizeof (*zgd)); 1804b24ab676SJeff Bonwick } 1805b24ab676SJeff Bonwick 1806b24ab676SJeff Bonwick static int 1807b24ab676SJeff Bonwick ztest_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio) 1808b24ab676SJeff Bonwick { 1809b24ab676SJeff Bonwick ztest_ds_t *zd = arg; 1810b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1811b24ab676SJeff Bonwick uint64_t object = lr->lr_foid; 1812b24ab676SJeff Bonwick uint64_t offset = lr->lr_offset; 1813b24ab676SJeff Bonwick uint64_t size = lr->lr_length; 1814b24ab676SJeff Bonwick blkptr_t *bp = &lr->lr_blkptr; 1815b24ab676SJeff Bonwick uint64_t txg = lr->lr_common.lrc_txg; 1816b24ab676SJeff Bonwick uint64_t crtxg; 1817b24ab676SJeff Bonwick dmu_object_info_t doi; 1818b24ab676SJeff Bonwick dmu_buf_t *db; 1819b24ab676SJeff Bonwick zgd_t *zgd; 1820b24ab676SJeff Bonwick int error; 1821b24ab676SJeff Bonwick 1822b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 1823b24ab676SJeff Bonwick error = dmu_bonus_hold(os, object, FTAG, &db); 1824b24ab676SJeff Bonwick if (error) { 1825b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1826b24ab676SJeff Bonwick return (error); 1827b24ab676SJeff Bonwick } 1828b24ab676SJeff Bonwick 1829b24ab676SJeff Bonwick crtxg = ztest_bt_bonus(db)->bt_crtxg; 1830b24ab676SJeff Bonwick 1831b24ab676SJeff Bonwick if (crtxg == 0 || crtxg > txg) { 1832b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1833b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1834b24ab676SJeff Bonwick return (ENOENT); 1835b24ab676SJeff Bonwick } 1836b24ab676SJeff Bonwick 1837b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1838b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1839b24ab676SJeff Bonwick db = NULL; 1840b24ab676SJeff Bonwick 1841b24ab676SJeff Bonwick zgd = umem_zalloc(sizeof (*zgd), UMEM_NOFAIL); 1842b24ab676SJeff Bonwick zgd->zgd_zilog = zd->zd_zilog; 1843b24ab676SJeff Bonwick zgd->zgd_private = zd; 1844b24ab676SJeff Bonwick 1845b24ab676SJeff Bonwick if (buf != NULL) { /* immediate write */ 1846b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1847b24ab676SJeff Bonwick RL_READER); 1848b24ab676SJeff Bonwick 1849b24ab676SJeff Bonwick error = dmu_read(os, object, offset, size, buf, 1850b24ab676SJeff Bonwick DMU_READ_NO_PREFETCH); 1851b24ab676SJeff Bonwick ASSERT(error == 0); 1852b24ab676SJeff Bonwick } else { 1853b24ab676SJeff Bonwick size = doi.doi_data_block_size; 1854dfe73b3dSJeff Bonwick if (ISP2(size)) { 1855b24ab676SJeff Bonwick offset = P2ALIGN(offset, size); 1856dfe73b3dSJeff Bonwick } else { 1857dfe73b3dSJeff Bonwick ASSERT(offset < size); 1858dfe73b3dSJeff Bonwick offset = 0; 1859dfe73b3dSJeff Bonwick } 1860b24ab676SJeff Bonwick 1861b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1862b24ab676SJeff Bonwick RL_READER); 1863b24ab676SJeff Bonwick 186447cb52daSJeff Bonwick error = dmu_buf_hold(os, object, offset, zgd, &db, 186547cb52daSJeff Bonwick DMU_READ_NO_PREFETCH); 1866b24ab676SJeff Bonwick 1867b24ab676SJeff Bonwick if (error == 0) { 1868b24ab676SJeff Bonwick zgd->zgd_db = db; 1869b24ab676SJeff Bonwick zgd->zgd_bp = bp; 1870b24ab676SJeff Bonwick 1871b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 1872b24ab676SJeff Bonwick ASSERT(db->db_size == size); 1873b24ab676SJeff Bonwick 1874b24ab676SJeff Bonwick error = dmu_sync(zio, lr->lr_common.lrc_txg, 1875b24ab676SJeff Bonwick ztest_get_done, zgd); 1876b24ab676SJeff Bonwick 1877b24ab676SJeff Bonwick if (error == 0) 1878b24ab676SJeff Bonwick return (0); 1879b24ab676SJeff Bonwick } 1880b24ab676SJeff Bonwick } 1881b24ab676SJeff Bonwick 1882b24ab676SJeff Bonwick ztest_get_done(zgd, error); 1883b24ab676SJeff Bonwick 1884b24ab676SJeff Bonwick return (error); 1885b24ab676SJeff Bonwick } 1886b24ab676SJeff Bonwick 1887b24ab676SJeff Bonwick static void * 1888b24ab676SJeff Bonwick ztest_lr_alloc(size_t lrsize, char *name) 1889b24ab676SJeff Bonwick { 1890b24ab676SJeff Bonwick char *lr; 1891b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1892b24ab676SJeff Bonwick 1893b24ab676SJeff Bonwick lr = umem_zalloc(lrsize + namesize, UMEM_NOFAIL); 1894b24ab676SJeff Bonwick 1895b24ab676SJeff Bonwick if (name) 1896b24ab676SJeff Bonwick bcopy(name, lr + lrsize, namesize); 1897b24ab676SJeff Bonwick 1898b24ab676SJeff Bonwick return (lr); 1899b24ab676SJeff Bonwick } 1900b24ab676SJeff Bonwick 1901b24ab676SJeff Bonwick void 1902b24ab676SJeff Bonwick ztest_lr_free(void *lr, size_t lrsize, char *name) 1903b24ab676SJeff Bonwick { 1904b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1905b24ab676SJeff Bonwick 1906b24ab676SJeff Bonwick umem_free(lr, lrsize + namesize); 1907b24ab676SJeff Bonwick } 1908b24ab676SJeff Bonwick 1909b24ab676SJeff Bonwick /* 1910b24ab676SJeff Bonwick * Lookup a bunch of objects. Returns the number of objects not found. 1911b24ab676SJeff Bonwick */ 1912b24ab676SJeff Bonwick static int 1913b24ab676SJeff Bonwick ztest_lookup(ztest_ds_t *zd, ztest_od_t *od, int count) 1914b24ab676SJeff Bonwick { 1915b24ab676SJeff Bonwick int missing = 0; 1916b24ab676SJeff Bonwick int error; 1917b24ab676SJeff Bonwick 1918b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1919b24ab676SJeff Bonwick 1920b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1921b24ab676SJeff Bonwick od->od_object = 0; 1922b24ab676SJeff Bonwick error = zap_lookup(zd->zd_os, od->od_dir, od->od_name, 1923b24ab676SJeff Bonwick sizeof (uint64_t), 1, &od->od_object); 1924b24ab676SJeff Bonwick if (error) { 1925b24ab676SJeff Bonwick ASSERT(error == ENOENT); 1926b24ab676SJeff Bonwick ASSERT(od->od_object == 0); 1927b24ab676SJeff Bonwick missing++; 1928b24ab676SJeff Bonwick } else { 1929b24ab676SJeff Bonwick dmu_buf_t *db; 1930b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1931b24ab676SJeff Bonwick dmu_object_info_t doi; 1932b24ab676SJeff Bonwick 1933b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1934b24ab676SJeff Bonwick ASSERT(missing == 0); /* there should be no gaps */ 1935b24ab676SJeff Bonwick 1936b24ab676SJeff Bonwick ztest_object_lock(zd, od->od_object, RL_READER); 1937b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(zd->zd_os, 1938b24ab676SJeff Bonwick od->od_object, FTAG, &db)); 1939b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1940b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1941b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1942b24ab676SJeff Bonwick od->od_type = doi.doi_type; 1943b24ab676SJeff Bonwick od->od_blocksize = doi.doi_data_block_size; 1944b24ab676SJeff Bonwick od->od_gen = bbt->bt_gen; 1945b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1946b24ab676SJeff Bonwick ztest_object_unlock(zd, od->od_object); 1947b24ab676SJeff Bonwick } 1948b24ab676SJeff Bonwick } 1949b24ab676SJeff Bonwick 1950b24ab676SJeff Bonwick return (missing); 1951b24ab676SJeff Bonwick } 1952b24ab676SJeff Bonwick 1953b24ab676SJeff Bonwick static int 1954b24ab676SJeff Bonwick ztest_create(ztest_ds_t *zd, ztest_od_t *od, int count) 1955b24ab676SJeff Bonwick { 1956b24ab676SJeff Bonwick int missing = 0; 1957b24ab676SJeff Bonwick 1958b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1959b24ab676SJeff Bonwick 1960b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1961b24ab676SJeff Bonwick if (missing) { 1962b24ab676SJeff Bonwick od->od_object = 0; 1963b24ab676SJeff Bonwick missing++; 1964b24ab676SJeff Bonwick continue; 1965b24ab676SJeff Bonwick } 1966b24ab676SJeff Bonwick 1967b24ab676SJeff Bonwick lr_create_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1968b24ab676SJeff Bonwick 1969b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1970b24ab676SJeff Bonwick lr->lr_foid = 0; /* 0 to allocate, > 0 to claim */ 1971b24ab676SJeff Bonwick lr->lrz_type = od->od_crtype; 1972b24ab676SJeff Bonwick lr->lrz_blocksize = od->od_crblocksize; 1973b24ab676SJeff Bonwick lr->lrz_ibshift = ztest_random_ibshift(); 1974b24ab676SJeff Bonwick lr->lrz_bonustype = DMU_OT_UINT64_OTHER; 1975b24ab676SJeff Bonwick lr->lrz_bonuslen = dmu_bonus_max(); 1976b24ab676SJeff Bonwick lr->lr_gen = od->od_crgen; 1977b24ab676SJeff Bonwick lr->lr_crtime[0] = time(NULL); 1978b24ab676SJeff Bonwick 1979b24ab676SJeff Bonwick if (ztest_replay_create(zd, lr, B_FALSE) != 0) { 1980b24ab676SJeff Bonwick ASSERT(missing == 0); 1981b24ab676SJeff Bonwick od->od_object = 0; 1982b24ab676SJeff Bonwick missing++; 1983b24ab676SJeff Bonwick } else { 1984b24ab676SJeff Bonwick od->od_object = lr->lr_foid; 1985b24ab676SJeff Bonwick od->od_type = od->od_crtype; 1986b24ab676SJeff Bonwick od->od_blocksize = od->od_crblocksize; 1987b24ab676SJeff Bonwick od->od_gen = od->od_crgen; 1988b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1989b24ab676SJeff Bonwick } 1990b24ab676SJeff Bonwick 1991b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1992b24ab676SJeff Bonwick } 1993b24ab676SJeff Bonwick 1994b24ab676SJeff Bonwick return (missing); 1995b24ab676SJeff Bonwick } 1996b24ab676SJeff Bonwick 1997b24ab676SJeff Bonwick static int 1998b24ab676SJeff Bonwick ztest_remove(ztest_ds_t *zd, ztest_od_t *od, int count) 1999b24ab676SJeff Bonwick { 2000b24ab676SJeff Bonwick int missing = 0; 2001b24ab676SJeff Bonwick int error; 2002b24ab676SJeff Bonwick 2003b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 2004b24ab676SJeff Bonwick 2005b24ab676SJeff Bonwick od += count - 1; 2006b24ab676SJeff Bonwick 2007b24ab676SJeff Bonwick for (int i = count - 1; i >= 0; i--, od--) { 2008b24ab676SJeff Bonwick if (missing) { 2009b24ab676SJeff Bonwick missing++; 2010b24ab676SJeff Bonwick continue; 2011b24ab676SJeff Bonwick } 2012b24ab676SJeff Bonwick 2013b24ab676SJeff Bonwick if (od->od_object == 0) 2014b24ab676SJeff Bonwick continue; 2015b24ab676SJeff Bonwick 2016b24ab676SJeff Bonwick lr_remove_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 2017b24ab676SJeff Bonwick 2018b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 2019b24ab676SJeff Bonwick 2020b24ab676SJeff Bonwick if ((error = ztest_replay_remove(zd, lr, B_FALSE)) != 0) { 2021b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 2022b24ab676SJeff Bonwick missing++; 2023b24ab676SJeff Bonwick } else { 2024b24ab676SJeff Bonwick od->od_object = 0; 2025b24ab676SJeff Bonwick } 2026b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 2027b24ab676SJeff Bonwick } 2028b24ab676SJeff Bonwick 2029b24ab676SJeff Bonwick return (missing); 2030b24ab676SJeff Bonwick } 2031b24ab676SJeff Bonwick 2032b24ab676SJeff Bonwick static int 2033b24ab676SJeff Bonwick ztest_write(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size, 2034b24ab676SJeff Bonwick void *data) 2035b24ab676SJeff Bonwick { 2036b24ab676SJeff Bonwick lr_write_t *lr; 2037b24ab676SJeff Bonwick int error; 2038b24ab676SJeff Bonwick 2039b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr) + size, NULL); 2040b24ab676SJeff Bonwick 2041b24ab676SJeff Bonwick lr->lr_foid = object; 2042b24ab676SJeff Bonwick lr->lr_offset = offset; 2043b24ab676SJeff Bonwick lr->lr_length = size; 2044b24ab676SJeff Bonwick lr->lr_blkoff = 0; 2045b24ab676SJeff Bonwick BP_ZERO(&lr->lr_blkptr); 2046b24ab676SJeff Bonwick 2047b24ab676SJeff Bonwick bcopy(data, lr + 1, size); 2048b24ab676SJeff Bonwick 2049b24ab676SJeff Bonwick error = ztest_replay_write(zd, lr, B_FALSE); 2050b24ab676SJeff Bonwick 2051b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr) + size, NULL); 2052b24ab676SJeff Bonwick 2053b24ab676SJeff Bonwick return (error); 2054b24ab676SJeff Bonwick } 2055b24ab676SJeff Bonwick 2056b24ab676SJeff Bonwick static int 2057b24ab676SJeff Bonwick ztest_truncate(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 2058b24ab676SJeff Bonwick { 2059b24ab676SJeff Bonwick lr_truncate_t *lr; 2060b24ab676SJeff Bonwick int error; 2061b24ab676SJeff Bonwick 2062b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 2063b24ab676SJeff Bonwick 2064b24ab676SJeff Bonwick lr->lr_foid = object; 2065b24ab676SJeff Bonwick lr->lr_offset = offset; 2066b24ab676SJeff Bonwick lr->lr_length = size; 2067b24ab676SJeff Bonwick 2068b24ab676SJeff Bonwick error = ztest_replay_truncate(zd, lr, B_FALSE); 2069b24ab676SJeff Bonwick 2070b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 2071b24ab676SJeff Bonwick 2072b24ab676SJeff Bonwick return (error); 2073b24ab676SJeff Bonwick } 2074b24ab676SJeff Bonwick 2075b24ab676SJeff Bonwick static int 2076b24ab676SJeff Bonwick ztest_setattr(ztest_ds_t *zd, uint64_t object) 2077b24ab676SJeff Bonwick { 2078b24ab676SJeff Bonwick lr_setattr_t *lr; 2079b24ab676SJeff Bonwick int error; 2080b24ab676SJeff Bonwick 2081b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 2082b24ab676SJeff Bonwick 2083b24ab676SJeff Bonwick lr->lr_foid = object; 2084b24ab676SJeff Bonwick lr->lr_size = 0; 2085b24ab676SJeff Bonwick lr->lr_mode = 0; 2086b24ab676SJeff Bonwick 2087b24ab676SJeff Bonwick error = ztest_replay_setattr(zd, lr, B_FALSE); 2088b24ab676SJeff Bonwick 2089b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 2090b24ab676SJeff Bonwick 2091b24ab676SJeff Bonwick return (error); 2092b24ab676SJeff Bonwick } 2093b24ab676SJeff Bonwick 2094b24ab676SJeff Bonwick static void 2095b24ab676SJeff Bonwick ztest_prealloc(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 2096b24ab676SJeff Bonwick { 2097b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 2098b24ab676SJeff Bonwick dmu_tx_t *tx; 2099b24ab676SJeff Bonwick uint64_t txg; 2100b24ab676SJeff Bonwick rl_t *rl; 2101b24ab676SJeff Bonwick 2102b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 2103b24ab676SJeff Bonwick 2104b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 2105b24ab676SJeff Bonwick rl = ztest_range_lock(zd, object, offset, size, RL_WRITER); 2106b24ab676SJeff Bonwick 2107b24ab676SJeff Bonwick tx = dmu_tx_create(os); 2108b24ab676SJeff Bonwick 2109b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, offset, size); 2110b24ab676SJeff Bonwick 2111b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 2112b24ab676SJeff Bonwick 2113b24ab676SJeff Bonwick if (txg != 0) { 2114b24ab676SJeff Bonwick dmu_prealloc(os, object, offset, size, tx); 2115b24ab676SJeff Bonwick dmu_tx_commit(tx); 2116b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 2117b24ab676SJeff Bonwick } else { 2118b24ab676SJeff Bonwick (void) dmu_free_long_range(os, object, offset, size); 2119b24ab676SJeff Bonwick } 2120b24ab676SJeff Bonwick 2121b24ab676SJeff Bonwick ztest_range_unlock(rl); 2122b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 2123b24ab676SJeff Bonwick } 2124b24ab676SJeff Bonwick 2125b24ab676SJeff Bonwick static void 2126b24ab676SJeff Bonwick ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t offset) 2127b24ab676SJeff Bonwick { 2128b24ab676SJeff Bonwick ztest_block_tag_t wbt; 2129b24ab676SJeff Bonwick dmu_object_info_t doi; 2130b24ab676SJeff Bonwick enum ztest_io_type io_type; 2131b24ab676SJeff Bonwick uint64_t blocksize; 2132b24ab676SJeff Bonwick void *data; 2133b24ab676SJeff Bonwick 2134b24ab676SJeff Bonwick VERIFY(dmu_object_info(zd->zd_os, object, &doi) == 0); 2135b24ab676SJeff Bonwick blocksize = doi.doi_data_block_size; 2136b24ab676SJeff Bonwick data = umem_alloc(blocksize, UMEM_NOFAIL); 2137b24ab676SJeff Bonwick 2138b24ab676SJeff Bonwick /* 2139b24ab676SJeff Bonwick * Pick an i/o type at random, biased toward writing block tags. 2140b24ab676SJeff Bonwick */ 2141b24ab676SJeff Bonwick io_type = ztest_random(ZTEST_IO_TYPES); 2142b24ab676SJeff Bonwick if (ztest_random(2) == 0) 2143b24ab676SJeff Bonwick io_type = ZTEST_IO_WRITE_TAG; 2144b24ab676SJeff Bonwick 2145c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2146c9ba2a43SEric Schrock 2147b24ab676SJeff Bonwick switch (io_type) { 2148b24ab676SJeff Bonwick 2149b24ab676SJeff Bonwick case ZTEST_IO_WRITE_TAG: 2150b24ab676SJeff Bonwick ztest_bt_generate(&wbt, zd->zd_os, object, offset, 0, 0, 0); 2151b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, sizeof (wbt), &wbt); 2152b24ab676SJeff Bonwick break; 2153b24ab676SJeff Bonwick 2154b24ab676SJeff Bonwick case ZTEST_IO_WRITE_PATTERN: 2155b24ab676SJeff Bonwick (void) memset(data, 'a' + (object + offset) % 5, blocksize); 2156b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 2157b24ab676SJeff Bonwick /* 2158b24ab676SJeff Bonwick * Induce fletcher2 collisions to ensure that 2159b24ab676SJeff Bonwick * zio_ddt_collision() detects and resolves them 2160b24ab676SJeff Bonwick * when using fletcher2-verify for deduplication. 2161b24ab676SJeff Bonwick */ 2162b24ab676SJeff Bonwick ((uint64_t *)data)[0] ^= 1ULL << 63; 2163b24ab676SJeff Bonwick ((uint64_t *)data)[4] ^= 1ULL << 63; 2164b24ab676SJeff Bonwick } 2165b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 2166b24ab676SJeff Bonwick break; 2167b24ab676SJeff Bonwick 2168b24ab676SJeff Bonwick case ZTEST_IO_WRITE_ZEROES: 2169b24ab676SJeff Bonwick bzero(data, blocksize); 2170b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 2171b24ab676SJeff Bonwick break; 2172b24ab676SJeff Bonwick 2173b24ab676SJeff Bonwick case ZTEST_IO_TRUNCATE: 2174b24ab676SJeff Bonwick (void) ztest_truncate(zd, object, offset, blocksize); 2175b24ab676SJeff Bonwick break; 2176b24ab676SJeff Bonwick 2177b24ab676SJeff Bonwick case ZTEST_IO_SETATTR: 2178b24ab676SJeff Bonwick (void) ztest_setattr(zd, object); 2179b24ab676SJeff Bonwick break; 2180b24ab676SJeff Bonwick } 2181b24ab676SJeff Bonwick 2182c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2183c9ba2a43SEric Schrock 2184b24ab676SJeff Bonwick umem_free(data, blocksize); 2185b24ab676SJeff Bonwick } 2186b24ab676SJeff Bonwick 2187b24ab676SJeff Bonwick /* 2188b24ab676SJeff Bonwick * Initialize an object description template. 2189b24ab676SJeff Bonwick */ 2190b24ab676SJeff Bonwick static void 2191b24ab676SJeff Bonwick ztest_od_init(ztest_od_t *od, uint64_t id, char *tag, uint64_t index, 2192b24ab676SJeff Bonwick dmu_object_type_t type, uint64_t blocksize, uint64_t gen) 2193b24ab676SJeff Bonwick { 2194b24ab676SJeff Bonwick od->od_dir = ZTEST_DIROBJ; 2195b24ab676SJeff Bonwick od->od_object = 0; 2196b24ab676SJeff Bonwick 2197b24ab676SJeff Bonwick od->od_crtype = type; 2198b24ab676SJeff Bonwick od->od_crblocksize = blocksize ? blocksize : ztest_random_blocksize(); 2199b24ab676SJeff Bonwick od->od_crgen = gen; 2200b24ab676SJeff Bonwick 2201b24ab676SJeff Bonwick od->od_type = DMU_OT_NONE; 2202b24ab676SJeff Bonwick od->od_blocksize = 0; 2203b24ab676SJeff Bonwick od->od_gen = 0; 2204b24ab676SJeff Bonwick 2205b24ab676SJeff Bonwick (void) snprintf(od->od_name, sizeof (od->od_name), "%s(%lld)[%llu]", 2206b24ab676SJeff Bonwick tag, (int64_t)id, index); 2207b24ab676SJeff Bonwick } 2208b24ab676SJeff Bonwick 2209b24ab676SJeff Bonwick /* 2210b24ab676SJeff Bonwick * Lookup or create the objects for a test using the od template. 2211b24ab676SJeff Bonwick * If the objects do not all exist, or if 'remove' is specified, 2212b24ab676SJeff Bonwick * remove any existing objects and create new ones. Otherwise, 2213b24ab676SJeff Bonwick * use the existing objects. 2214b24ab676SJeff Bonwick */ 2215b24ab676SJeff Bonwick static int 2216b24ab676SJeff Bonwick ztest_object_init(ztest_ds_t *zd, ztest_od_t *od, size_t size, boolean_t remove) 2217b24ab676SJeff Bonwick { 2218b24ab676SJeff Bonwick int count = size / sizeof (*od); 2219b24ab676SJeff Bonwick int rv = 0; 2220b24ab676SJeff Bonwick 2221b24ab676SJeff Bonwick VERIFY(mutex_lock(&zd->zd_dirobj_lock) == 0); 2222b24ab676SJeff Bonwick if ((ztest_lookup(zd, od, count) != 0 || remove) && 2223b24ab676SJeff Bonwick (ztest_remove(zd, od, count) != 0 || 2224b24ab676SJeff Bonwick ztest_create(zd, od, count) != 0)) 2225b24ab676SJeff Bonwick rv = -1; 2226b24ab676SJeff Bonwick zd->zd_od = od; 2227b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2228b24ab676SJeff Bonwick 2229b24ab676SJeff Bonwick return (rv); 2230b24ab676SJeff Bonwick } 2231b24ab676SJeff Bonwick 2232b24ab676SJeff Bonwick /* ARGSUSED */ 2233b24ab676SJeff Bonwick void 2234b24ab676SJeff Bonwick ztest_zil_commit(ztest_ds_t *zd, uint64_t id) 2235b24ab676SJeff Bonwick { 2236b24ab676SJeff Bonwick zilog_t *zilog = zd->zd_zilog; 2237b24ab676SJeff Bonwick 2238c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2239c9ba2a43SEric Schrock 22405002558fSNeil Perrin zil_commit(zilog, ztest_random(ZTEST_OBJECTS)); 2241b24ab676SJeff Bonwick 2242b24ab676SJeff Bonwick /* 2243b24ab676SJeff Bonwick * Remember the committed values in zd, which is in parent/child 2244b24ab676SJeff Bonwick * shared memory. If we die, the next iteration of ztest_run() 2245b24ab676SJeff Bonwick * will verify that the log really does contain this record. 2246b24ab676SJeff Bonwick */ 2247b24ab676SJeff Bonwick mutex_enter(&zilog->zl_lock); 2248420dfc95SChris Siden ASSERT(zd->zd_shared != NULL); 2249420dfc95SChris Siden ASSERT3U(zd->zd_shared->zd_seq, <=, zilog->zl_commit_lr_seq); 2250420dfc95SChris Siden zd->zd_shared->zd_seq = zilog->zl_commit_lr_seq; 2251b24ab676SJeff Bonwick mutex_exit(&zilog->zl_lock); 2252c9ba2a43SEric Schrock 2253c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2254c9ba2a43SEric Schrock } 2255c9ba2a43SEric Schrock 2256c9ba2a43SEric Schrock /* 2257c9ba2a43SEric Schrock * This function is designed to simulate the operations that occur during a 2258c9ba2a43SEric Schrock * mount/unmount operation. We hold the dataset across these operations in an 2259c9ba2a43SEric Schrock * attempt to expose any implicit assumptions about ZIL management. 2260c9ba2a43SEric Schrock */ 2261c9ba2a43SEric Schrock /* ARGSUSED */ 2262c9ba2a43SEric Schrock void 2263c9ba2a43SEric Schrock ztest_zil_remount(ztest_ds_t *zd, uint64_t id) 2264c9ba2a43SEric Schrock { 2265c9ba2a43SEric Schrock objset_t *os = zd->zd_os; 2266c9ba2a43SEric Schrock 2267ce636f8bSMatthew Ahrens VERIFY(mutex_lock(&zd->zd_dirobj_lock) == 0); 2268c9ba2a43SEric Schrock (void) rw_wrlock(&zd->zd_zilog_lock); 2269c9ba2a43SEric Schrock 2270c9ba2a43SEric Schrock /* zfsvfs_teardown() */ 2271c9ba2a43SEric Schrock zil_close(zd->zd_zilog); 2272c9ba2a43SEric Schrock 2273c9ba2a43SEric Schrock /* zfsvfs_setup() */ 2274c9ba2a43SEric Schrock VERIFY(zil_open(os, ztest_get_data) == zd->zd_zilog); 2275c9ba2a43SEric Schrock zil_replay(os, zd, ztest_replay_vector); 2276c9ba2a43SEric Schrock 2277c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2278ce636f8bSMatthew Ahrens VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2279b24ab676SJeff Bonwick } 2280b24ab676SJeff Bonwick 2281b24ab676SJeff Bonwick /* 2282b24ab676SJeff Bonwick * Verify that we can't destroy an active pool, create an existing pool, 2283b24ab676SJeff Bonwick * or create a pool with a bad vdev spec. 2284b24ab676SJeff Bonwick */ 2285b24ab676SJeff Bonwick /* ARGSUSED */ 2286b24ab676SJeff Bonwick void 2287b24ab676SJeff Bonwick ztest_spa_create_destroy(ztest_ds_t *zd, uint64_t id) 2288b24ab676SJeff Bonwick { 2289420dfc95SChris Siden ztest_shared_opts_t *zo = &ztest_opts; 2290b24ab676SJeff Bonwick spa_t *spa; 2291b24ab676SJeff Bonwick nvlist_t *nvroot; 2292b24ab676SJeff Bonwick 2293b24ab676SJeff Bonwick /* 2294b24ab676SJeff Bonwick * Attempt to create using a bad file. 2295b24ab676SJeff Bonwick */ 2296*25345e46SGeorge Wilson nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 0, 1); 2297b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 22984445fffbSMatthew Ahrens spa_create("ztest_bad_file", nvroot, NULL, NULL)); 2299b24ab676SJeff Bonwick nvlist_free(nvroot); 2300b24ab676SJeff Bonwick 2301b24ab676SJeff Bonwick /* 2302b24ab676SJeff Bonwick * Attempt to create using a bad mirror. 2303b24ab676SJeff Bonwick */ 2304*25345e46SGeorge Wilson nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 2, 1); 2305b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 23064445fffbSMatthew Ahrens spa_create("ztest_bad_mirror", nvroot, NULL, NULL)); 2307b24ab676SJeff Bonwick nvlist_free(nvroot); 2308b24ab676SJeff Bonwick 2309b24ab676SJeff Bonwick /* 2310b24ab676SJeff Bonwick * Attempt to create an existing pool. It shouldn't matter 2311b24ab676SJeff Bonwick * what's in the nvroot; we should fail with EEXIST. 2312b24ab676SJeff Bonwick */ 2313420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 2314*25345e46SGeorge Wilson nvroot = make_vdev_root("/dev/bogus", NULL, NULL, 0, 0, 0, 0, 0, 1); 23154445fffbSMatthew Ahrens VERIFY3U(EEXIST, ==, spa_create(zo->zo_pool, nvroot, NULL, NULL)); 2316b24ab676SJeff Bonwick nvlist_free(nvroot); 2317b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(zo->zo_pool, &spa, FTAG)); 2318420dfc95SChris Siden VERIFY3U(EBUSY, ==, spa_destroy(zo->zo_pool)); 2319b24ab676SJeff Bonwick spa_close(spa, FTAG); 2320b24ab676SJeff Bonwick 2321420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 2322b24ab676SJeff Bonwick } 2323b24ab676SJeff Bonwick 2324*25345e46SGeorge Wilson /* ARGSUSED */ 2325*25345e46SGeorge Wilson void 2326*25345e46SGeorge Wilson ztest_spa_upgrade(ztest_ds_t *zd, uint64_t id) 2327*25345e46SGeorge Wilson { 2328*25345e46SGeorge Wilson spa_t *spa; 2329*25345e46SGeorge Wilson uint64_t initial_version = SPA_VERSION_INITIAL; 2330*25345e46SGeorge Wilson uint64_t version, newversion; 2331*25345e46SGeorge Wilson nvlist_t *nvroot, *props; 2332*25345e46SGeorge Wilson char *name; 2333*25345e46SGeorge Wilson 2334*25345e46SGeorge Wilson VERIFY0(mutex_lock(&ztest_vdev_lock)); 2335*25345e46SGeorge Wilson name = kmem_asprintf("%s_upgrade", ztest_opts.zo_pool); 2336*25345e46SGeorge Wilson 2337*25345e46SGeorge Wilson /* 2338*25345e46SGeorge Wilson * Clean up from previous runs. 2339*25345e46SGeorge Wilson */ 2340*25345e46SGeorge Wilson (void) spa_destroy(name); 2341*25345e46SGeorge Wilson 2342*25345e46SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, name, ztest_opts.zo_vdev_size, 0, 2343*25345e46SGeorge Wilson 0, ztest_opts.zo_raidz, ztest_opts.zo_mirrors, 1); 2344*25345e46SGeorge Wilson 2345*25345e46SGeorge Wilson /* 2346*25345e46SGeorge Wilson * If we're configuring a RAIDZ device then make sure that the 2347*25345e46SGeorge Wilson * the initial version is capable of supporting that feature. 2348*25345e46SGeorge Wilson */ 2349*25345e46SGeorge Wilson switch (ztest_opts.zo_raidz_parity) { 2350*25345e46SGeorge Wilson case 0: 2351*25345e46SGeorge Wilson case 1: 2352*25345e46SGeorge Wilson initial_version = SPA_VERSION_INITIAL; 2353*25345e46SGeorge Wilson break; 2354*25345e46SGeorge Wilson case 2: 2355*25345e46SGeorge Wilson initial_version = SPA_VERSION_RAIDZ2; 2356*25345e46SGeorge Wilson break; 2357*25345e46SGeorge Wilson case 3: 2358*25345e46SGeorge Wilson initial_version = SPA_VERSION_RAIDZ3; 2359*25345e46SGeorge Wilson break; 2360*25345e46SGeorge Wilson } 2361*25345e46SGeorge Wilson 2362*25345e46SGeorge Wilson /* 2363*25345e46SGeorge Wilson * Create a pool with a spa version that can be upgraded. Pick 2364*25345e46SGeorge Wilson * a value between initial_version and SPA_VERSION_BEFORE_FEATURES. 2365*25345e46SGeorge Wilson */ 2366*25345e46SGeorge Wilson do { 2367*25345e46SGeorge Wilson version = ztest_random_spa_version(initial_version); 2368*25345e46SGeorge Wilson } while (version > SPA_VERSION_BEFORE_FEATURES); 2369*25345e46SGeorge Wilson 2370*25345e46SGeorge Wilson props = fnvlist_alloc(); 2371*25345e46SGeorge Wilson fnvlist_add_uint64(props, 2372*25345e46SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_VERSION), version); 2373*25345e46SGeorge Wilson VERIFY0(spa_create(name, nvroot, props, NULL)); 2374*25345e46SGeorge Wilson fnvlist_free(nvroot); 2375*25345e46SGeorge Wilson fnvlist_free(props); 2376*25345e46SGeorge Wilson 2377*25345e46SGeorge Wilson VERIFY0(spa_open(name, &spa, FTAG)); 2378*25345e46SGeorge Wilson VERIFY3U(spa_version(spa), ==, version); 2379*25345e46SGeorge Wilson newversion = ztest_random_spa_version(version + 1); 2380*25345e46SGeorge Wilson 2381*25345e46SGeorge Wilson if (ztest_opts.zo_verbose >= 4) { 2382*25345e46SGeorge Wilson (void) printf("upgrading spa version from %llu to %llu\n", 2383*25345e46SGeorge Wilson (u_longlong_t)version, (u_longlong_t)newversion); 2384*25345e46SGeorge Wilson } 2385*25345e46SGeorge Wilson 2386*25345e46SGeorge Wilson spa_upgrade(spa, newversion); 2387*25345e46SGeorge Wilson VERIFY3U(spa_version(spa), >, version); 2388*25345e46SGeorge Wilson VERIFY3U(spa_version(spa), ==, fnvlist_lookup_uint64(spa->spa_config, 2389*25345e46SGeorge Wilson zpool_prop_to_name(ZPOOL_PROP_VERSION))); 2390*25345e46SGeorge Wilson spa_close(spa, FTAG); 2391*25345e46SGeorge Wilson 2392*25345e46SGeorge Wilson strfree(name); 2393*25345e46SGeorge Wilson VERIFY0(mutex_unlock(&ztest_vdev_lock)); 2394*25345e46SGeorge Wilson } 2395*25345e46SGeorge Wilson 2396b24ab676SJeff Bonwick static vdev_t * 2397b24ab676SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 2398b24ab676SJeff Bonwick { 2399b24ab676SJeff Bonwick vdev_t *mvd; 2400b24ab676SJeff Bonwick 2401b24ab676SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 2402b24ab676SJeff Bonwick return (vd); 2403b24ab676SJeff Bonwick 2404b24ab676SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 2405b24ab676SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 2406b24ab676SJeff Bonwick NULL) 2407b24ab676SJeff Bonwick return (mvd); 2408b24ab676SJeff Bonwick 2409b24ab676SJeff Bonwick return (NULL); 2410b24ab676SJeff Bonwick } 2411b24ab676SJeff Bonwick 2412b24ab676SJeff Bonwick /* 2413b24ab676SJeff Bonwick * Find the first available hole which can be used as a top-level. 2414b24ab676SJeff Bonwick */ 2415b24ab676SJeff Bonwick int 2416b24ab676SJeff Bonwick find_vdev_hole(spa_t *spa) 2417b24ab676SJeff Bonwick { 2418b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2419b24ab676SJeff Bonwick int c; 2420b24ab676SJeff Bonwick 2421b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_VDEV, RW_READER) == SCL_VDEV); 2422b24ab676SJeff Bonwick 2423b24ab676SJeff Bonwick for (c = 0; c < rvd->vdev_children; c++) { 2424b24ab676SJeff Bonwick vdev_t *cvd = rvd->vdev_child[c]; 2425b24ab676SJeff Bonwick 2426b24ab676SJeff Bonwick if (cvd->vdev_ishole) 2427b24ab676SJeff Bonwick break; 2428b24ab676SJeff Bonwick } 2429b24ab676SJeff Bonwick return (c); 2430b24ab676SJeff Bonwick } 2431b24ab676SJeff Bonwick 2432b24ab676SJeff Bonwick /* 2433b24ab676SJeff Bonwick * Verify that vdev_add() works as expected. 2434b24ab676SJeff Bonwick */ 2435b24ab676SJeff Bonwick /* ARGSUSED */ 2436b24ab676SJeff Bonwick void 2437b24ab676SJeff Bonwick ztest_vdev_add_remove(ztest_ds_t *zd, uint64_t id) 2438b24ab676SJeff Bonwick { 2439b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2440420dfc95SChris Siden spa_t *spa = ztest_spa; 24411195e687SMark J Musante uint64_t leaves; 2442b24ab676SJeff Bonwick uint64_t guid; 2443b24ab676SJeff Bonwick nvlist_t *nvroot; 2444b24ab676SJeff Bonwick int error; 2445b24ab676SJeff Bonwick 2446420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2447420dfc95SChris Siden leaves = 2448420dfc95SChris Siden MAX(zs->zs_mirrors + zs->zs_splits, 1) * ztest_opts.zo_raidz; 2449b24ab676SJeff Bonwick 2450b24ab676SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2451b24ab676SJeff Bonwick 2452b24ab676SJeff Bonwick ztest_shared->zs_vdev_next_leaf = find_vdev_hole(spa) * leaves; 2453b24ab676SJeff Bonwick 2454b24ab676SJeff Bonwick /* 2455b24ab676SJeff Bonwick * If we have slogs then remove them 1/4 of the time. 2456b24ab676SJeff Bonwick */ 245788ecc943SGeorge Wilson if (spa_has_slogs(spa) && ztest_random(4) == 0) { 245888ecc943SGeorge Wilson /* 245988ecc943SGeorge Wilson * Grab the guid from the head of the log class rotor. 246088ecc943SGeorge Wilson */ 2461b24ab676SJeff Bonwick guid = spa_log_class(spa)->mc_rotor->mg_vd->vdev_guid; 24628654d025Sperrin 246388ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 2464fa9e4066Sahrens 246588ecc943SGeorge Wilson /* 246688ecc943SGeorge Wilson * We have to grab the zs_name_lock as writer to 246788ecc943SGeorge Wilson * prevent a race between removing a slog (dmu_objset_find) 246888ecc943SGeorge Wilson * and destroying a dataset. Removing the slog will 246988ecc943SGeorge Wilson * grab a reference on the dataset which may cause 247088ecc943SGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 247188ecc943SGeorge Wilson * leaving the dataset in an inconsistent state. 247288ecc943SGeorge Wilson */ 2473420dfc95SChris Siden VERIFY(rw_wrlock(&ztest_name_lock) == 0); 247488ecc943SGeorge Wilson error = spa_vdev_remove(spa, guid, B_FALSE); 2475420dfc95SChris Siden VERIFY(rw_unlock(&ztest_name_lock) == 0); 2476fa9e4066Sahrens 247788ecc943SGeorge Wilson if (error && error != EEXIST) 247888ecc943SGeorge Wilson fatal(0, "spa_vdev_remove() = %d", error); 247988ecc943SGeorge Wilson } else { 248088ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 248188ecc943SGeorge Wilson 248288ecc943SGeorge Wilson /* 248388ecc943SGeorge Wilson * Make 1/4 of the devices be log devices. 248488ecc943SGeorge Wilson */ 2485*25345e46SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, NULL, 2486420dfc95SChris Siden ztest_opts.zo_vdev_size, 0, 2487420dfc95SChris Siden ztest_random(4) == 0, ztest_opts.zo_raidz, 2488420dfc95SChris Siden zs->zs_mirrors, 1); 248988ecc943SGeorge Wilson 249088ecc943SGeorge Wilson error = spa_vdev_add(spa, nvroot); 249188ecc943SGeorge Wilson nvlist_free(nvroot); 249288ecc943SGeorge Wilson 249388ecc943SGeorge Wilson if (error == ENOSPC) 249488ecc943SGeorge Wilson ztest_record_enospc("spa_vdev_add"); 249588ecc943SGeorge Wilson else if (error != 0) 249688ecc943SGeorge Wilson fatal(0, "spa_vdev_add() = %d", error); 249788ecc943SGeorge Wilson } 249888ecc943SGeorge Wilson 2499420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2500e14bb325SJeff Bonwick } 2501fa9e4066Sahrens 2502e14bb325SJeff Bonwick /* 2503e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 2504e14bb325SJeff Bonwick */ 2505b24ab676SJeff Bonwick /* ARGSUSED */ 2506e14bb325SJeff Bonwick void 2507b24ab676SJeff Bonwick ztest_vdev_aux_add_remove(ztest_ds_t *zd, uint64_t id) 2508e14bb325SJeff Bonwick { 2509b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2510420dfc95SChris Siden spa_t *spa = ztest_spa; 251131157203SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2512e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 2513e14bb325SJeff Bonwick char *aux; 2514e14bb325SJeff Bonwick uint64_t guid = 0; 2515e14bb325SJeff Bonwick int error; 2516e14bb325SJeff Bonwick 251731157203SJeff Bonwick if (ztest_random(2) == 0) { 2518e14bb325SJeff Bonwick sav = &spa->spa_spares; 2519e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 2520e14bb325SJeff Bonwick } else { 2521e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 2522e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 2523e14bb325SJeff Bonwick } 2524e14bb325SJeff Bonwick 2525420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2526e14bb325SJeff Bonwick 2527e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2528e14bb325SJeff Bonwick 2529e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 2530e14bb325SJeff Bonwick /* 2531e14bb325SJeff Bonwick * Pick a random device to remove. 2532e14bb325SJeff Bonwick */ 2533e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 2534e14bb325SJeff Bonwick } else { 2535e14bb325SJeff Bonwick /* 2536e14bb325SJeff Bonwick * Find an unused device we can add. 2537e14bb325SJeff Bonwick */ 2538b24ab676SJeff Bonwick zs->zs_vdev_aux = 0; 2539e14bb325SJeff Bonwick for (;;) { 2540e14bb325SJeff Bonwick char path[MAXPATHLEN]; 2541e14bb325SJeff Bonwick int c; 2542420dfc95SChris Siden (void) snprintf(path, sizeof (path), ztest_aux_template, 2543420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, aux, 2544420dfc95SChris Siden zs->zs_vdev_aux); 2545e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 2546e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 2547e14bb325SJeff Bonwick path) == 0) 2548e14bb325SJeff Bonwick break; 254931157203SJeff Bonwick if (c == sav->sav_count && 255031157203SJeff Bonwick vdev_lookup_by_path(rvd, path) == NULL) 2551e14bb325SJeff Bonwick break; 2552b24ab676SJeff Bonwick zs->zs_vdev_aux++; 2553e14bb325SJeff Bonwick } 2554e14bb325SJeff Bonwick } 2555e14bb325SJeff Bonwick 2556e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2557e14bb325SJeff Bonwick 2558e14bb325SJeff Bonwick if (guid == 0) { 2559e14bb325SJeff Bonwick /* 2560e14bb325SJeff Bonwick * Add a new device. 2561e14bb325SJeff Bonwick */ 2562*25345e46SGeorge Wilson nvlist_t *nvroot = make_vdev_root(NULL, aux, NULL, 2563420dfc95SChris Siden (ztest_opts.zo_vdev_size * 5) / 4, 0, 0, 0, 0, 1); 2564e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 2565e14bb325SJeff Bonwick if (error != 0) 2566e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 2567e14bb325SJeff Bonwick nvlist_free(nvroot); 2568e14bb325SJeff Bonwick } else { 2569e14bb325SJeff Bonwick /* 2570e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 2571e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 2572e14bb325SJeff Bonwick * of devices that have pending state changes. 2573e14bb325SJeff Bonwick */ 2574e14bb325SJeff Bonwick if (ztest_random(2) == 0) 2575573ca77eSGeorge Wilson (void) vdev_online(spa, guid, 0, NULL); 2576e14bb325SJeff Bonwick 2577e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 2578e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 2579e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 2580e14bb325SJeff Bonwick } 2581e14bb325SJeff Bonwick 2582420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2583fa9e4066Sahrens } 2584fa9e4066Sahrens 25851195e687SMark J Musante /* 25861195e687SMark J Musante * split a pool if it has mirror tlvdevs 25871195e687SMark J Musante */ 25881195e687SMark J Musante /* ARGSUSED */ 25891195e687SMark J Musante void 25901195e687SMark J Musante ztest_split_pool(ztest_ds_t *zd, uint64_t id) 25911195e687SMark J Musante { 25921195e687SMark J Musante ztest_shared_t *zs = ztest_shared; 2593420dfc95SChris Siden spa_t *spa = ztest_spa; 25941195e687SMark J Musante vdev_t *rvd = spa->spa_root_vdev; 25951195e687SMark J Musante nvlist_t *tree, **child, *config, *split, **schild; 25961195e687SMark J Musante uint_t c, children, schildren = 0, lastlogid = 0; 25971195e687SMark J Musante int error = 0; 25981195e687SMark J Musante 2599420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 26001195e687SMark J Musante 26011195e687SMark J Musante /* ensure we have a useable config; mirrors of raidz aren't supported */ 2602420dfc95SChris Siden if (zs->zs_mirrors < 3 || ztest_opts.zo_raidz > 1) { 2603420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 26041195e687SMark J Musante return; 26051195e687SMark J Musante } 26061195e687SMark J Musante 26071195e687SMark J Musante /* clean up the old pool, if any */ 26081195e687SMark J Musante (void) spa_destroy("splitp"); 26091195e687SMark J Musante 26101195e687SMark J Musante spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 26111195e687SMark J Musante 26121195e687SMark J Musante /* generate a config from the existing config */ 261398295d61SMark J Musante mutex_enter(&spa->spa_props_lock); 26141195e687SMark J Musante VERIFY(nvlist_lookup_nvlist(spa->spa_config, ZPOOL_CONFIG_VDEV_TREE, 26151195e687SMark J Musante &tree) == 0); 261698295d61SMark J Musante mutex_exit(&spa->spa_props_lock); 261798295d61SMark J Musante 26181195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, 26191195e687SMark J Musante &children) == 0); 26201195e687SMark J Musante 26211195e687SMark J Musante schild = malloc(rvd->vdev_children * sizeof (nvlist_t *)); 26221195e687SMark J Musante for (c = 0; c < children; c++) { 26231195e687SMark J Musante vdev_t *tvd = rvd->vdev_child[c]; 26241195e687SMark J Musante nvlist_t **mchild; 26251195e687SMark J Musante uint_t mchildren; 26261195e687SMark J Musante 26271195e687SMark J Musante if (tvd->vdev_islog || tvd->vdev_ops == &vdev_hole_ops) { 26281195e687SMark J Musante VERIFY(nvlist_alloc(&schild[schildren], NV_UNIQUE_NAME, 26291195e687SMark J Musante 0) == 0); 26301195e687SMark J Musante VERIFY(nvlist_add_string(schild[schildren], 26311195e687SMark J Musante ZPOOL_CONFIG_TYPE, VDEV_TYPE_HOLE) == 0); 26321195e687SMark J Musante VERIFY(nvlist_add_uint64(schild[schildren], 26331195e687SMark J Musante ZPOOL_CONFIG_IS_HOLE, 1) == 0); 26341195e687SMark J Musante if (lastlogid == 0) 26351195e687SMark J Musante lastlogid = schildren; 26361195e687SMark J Musante ++schildren; 26371195e687SMark J Musante continue; 26381195e687SMark J Musante } 26391195e687SMark J Musante lastlogid = 0; 26401195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(child[c], 26411195e687SMark J Musante ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); 26421195e687SMark J Musante VERIFY(nvlist_dup(mchild[0], &schild[schildren++], 0) == 0); 26431195e687SMark J Musante } 26441195e687SMark J Musante 26451195e687SMark J Musante /* OK, create a config that can be used to split */ 26461195e687SMark J Musante VERIFY(nvlist_alloc(&split, NV_UNIQUE_NAME, 0) == 0); 26471195e687SMark J Musante VERIFY(nvlist_add_string(split, ZPOOL_CONFIG_TYPE, 26481195e687SMark J Musante VDEV_TYPE_ROOT) == 0); 26491195e687SMark J Musante VERIFY(nvlist_add_nvlist_array(split, ZPOOL_CONFIG_CHILDREN, schild, 26501195e687SMark J Musante lastlogid != 0 ? lastlogid : schildren) == 0); 26511195e687SMark J Musante 26521195e687SMark J Musante VERIFY(nvlist_alloc(&config, NV_UNIQUE_NAME, 0) == 0); 26531195e687SMark J Musante VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, split) == 0); 26541195e687SMark J Musante 26551195e687SMark J Musante for (c = 0; c < schildren; c++) 26561195e687SMark J Musante nvlist_free(schild[c]); 26571195e687SMark J Musante free(schild); 26581195e687SMark J Musante nvlist_free(split); 26591195e687SMark J Musante 26601195e687SMark J Musante spa_config_exit(spa, SCL_VDEV, FTAG); 26611195e687SMark J Musante 2662420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 26631195e687SMark J Musante error = spa_vdev_split_mirror(spa, "splitp", config, NULL, B_FALSE); 2664420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 26651195e687SMark J Musante 26661195e687SMark J Musante nvlist_free(config); 26671195e687SMark J Musante 26681195e687SMark J Musante if (error == 0) { 26691195e687SMark J Musante (void) printf("successful split - results:\n"); 26701195e687SMark J Musante mutex_enter(&spa_namespace_lock); 26711195e687SMark J Musante show_pool_stats(spa); 26721195e687SMark J Musante show_pool_stats(spa_lookup("splitp")); 26731195e687SMark J Musante mutex_exit(&spa_namespace_lock); 26741195e687SMark J Musante ++zs->zs_splits; 26751195e687SMark J Musante --zs->zs_mirrors; 26761195e687SMark J Musante } 2677420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 26781195e687SMark J Musante 26791195e687SMark J Musante } 26801195e687SMark J Musante 2681fa9e4066Sahrens /* 2682fa9e4066Sahrens * Verify that we can attach and detach devices. 2683fa9e4066Sahrens */ 2684b24ab676SJeff Bonwick /* ARGSUSED */ 2685fa9e4066Sahrens void 2686b24ab676SJeff Bonwick ztest_vdev_attach_detach(ztest_ds_t *zd, uint64_t id) 2687fa9e4066Sahrens { 2688b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2689420dfc95SChris Siden spa_t *spa = ztest_spa; 269031157203SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_spares; 2691fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 2692ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 2693e14bb325SJeff Bonwick nvlist_t *root; 26941195e687SMark J Musante uint64_t leaves; 2695fa9e4066Sahrens uint64_t leaf, top; 2696ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 26978ad4d6ddSJeff Bonwick uint64_t oldguid, pguid; 2698ea8dc4b6Seschrock size_t oldsize, newsize; 2699ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 2700fa9e4066Sahrens int replacing; 27019af0a4dfSJeff Bonwick int oldvd_has_siblings = B_FALSE; 270231157203SJeff Bonwick int newvd_is_spare = B_FALSE; 270331157203SJeff Bonwick int oldvd_is_log; 2704fa9e4066Sahrens int error, expected_error; 2705fa9e4066Sahrens 2706420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2707420dfc95SChris Siden leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz; 2708fa9e4066Sahrens 2709e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2710fa9e4066Sahrens 2711fa9e4066Sahrens /* 2712fa9e4066Sahrens * Decide whether to do an attach or a replace. 2713fa9e4066Sahrens */ 2714fa9e4066Sahrens replacing = ztest_random(2); 2715fa9e4066Sahrens 2716fa9e4066Sahrens /* 2717fa9e4066Sahrens * Pick a random top-level vdev. 2718fa9e4066Sahrens */ 2719b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2720fa9e4066Sahrens 2721fa9e4066Sahrens /* 2722fa9e4066Sahrens * Pick a random leaf within it. 2723fa9e4066Sahrens */ 2724d41c4376SMark J Musante leaf = ztest_random(leaves); 2725fa9e4066Sahrens 2726fa9e4066Sahrens /* 272731157203SJeff Bonwick * Locate this vdev. 2728fa9e4066Sahrens */ 272931157203SJeff Bonwick oldvd = rvd->vdev_child[top]; 27301195e687SMark J Musante if (zs->zs_mirrors >= 1) { 27318ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_mirror_ops); 27321195e687SMark J Musante ASSERT(oldvd->vdev_children >= zs->zs_mirrors); 2733420dfc95SChris Siden oldvd = oldvd->vdev_child[leaf / ztest_opts.zo_raidz]; 27348ad4d6ddSJeff Bonwick } 2735420dfc95SChris Siden if (ztest_opts.zo_raidz > 1) { 27368ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_raidz_ops); 2737420dfc95SChris Siden ASSERT(oldvd->vdev_children == ztest_opts.zo_raidz); 2738420dfc95SChris Siden oldvd = oldvd->vdev_child[leaf % ztest_opts.zo_raidz]; 27398ad4d6ddSJeff Bonwick } 2740fa9e4066Sahrens 2741fa9e4066Sahrens /* 274231157203SJeff Bonwick * If we're already doing an attach or replace, oldvd may be a 274331157203SJeff Bonwick * mirror vdev -- in which case, pick a random child. 2744fa9e4066Sahrens */ 274531157203SJeff Bonwick while (oldvd->vdev_children != 0) { 27469af0a4dfSJeff Bonwick oldvd_has_siblings = B_TRUE; 27478ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= 2); 27488ad4d6ddSJeff Bonwick oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)]; 274931157203SJeff Bonwick } 2750fa9e4066Sahrens 275131157203SJeff Bonwick oldguid = oldvd->vdev_guid; 2752573ca77eSGeorge Wilson oldsize = vdev_get_min_asize(oldvd); 275331157203SJeff Bonwick oldvd_is_log = oldvd->vdev_top->vdev_islog; 275431157203SJeff Bonwick (void) strcpy(oldpath, oldvd->vdev_path); 2755ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 27568ad4d6ddSJeff Bonwick pguid = pvd->vdev_guid; 2757fa9e4066Sahrens 27589af0a4dfSJeff Bonwick /* 27599af0a4dfSJeff Bonwick * If oldvd has siblings, then half of the time, detach it. 27609af0a4dfSJeff Bonwick */ 27619af0a4dfSJeff Bonwick if (oldvd_has_siblings && ztest_random(2) == 0) { 27629af0a4dfSJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 27638ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, oldguid, pguid, B_FALSE); 27648ad4d6ddSJeff Bonwick if (error != 0 && error != ENODEV && error != EBUSY && 27658ad4d6ddSJeff Bonwick error != ENOTSUP) 27668ad4d6ddSJeff Bonwick fatal(0, "detach (%s) returned %d", oldpath, error); 2767420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 27689af0a4dfSJeff Bonwick return; 27699af0a4dfSJeff Bonwick } 27709af0a4dfSJeff Bonwick 2771fa9e4066Sahrens /* 277231157203SJeff Bonwick * For the new vdev, choose with equal probability between the two 277331157203SJeff Bonwick * standard paths (ending in either 'a' or 'b') or a random hot spare. 2774fa9e4066Sahrens */ 277531157203SJeff Bonwick if (sav->sav_count != 0 && ztest_random(3) == 0) { 277631157203SJeff Bonwick newvd = sav->sav_vdevs[ztest_random(sav->sav_count)]; 277731157203SJeff Bonwick newvd_is_spare = B_TRUE; 277831157203SJeff Bonwick (void) strcpy(newpath, newvd->vdev_path); 277931157203SJeff Bonwick } else { 278031157203SJeff Bonwick (void) snprintf(newpath, sizeof (newpath), ztest_dev_template, 2781420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 2782420dfc95SChris Siden top * leaves + leaf); 278331157203SJeff Bonwick if (ztest_random(2) == 0) 278431157203SJeff Bonwick newpath[strlen(newpath) - 1] = 'b'; 278531157203SJeff Bonwick newvd = vdev_lookup_by_path(rvd, newpath); 278631157203SJeff Bonwick } 278731157203SJeff Bonwick 278831157203SJeff Bonwick if (newvd) { 2789573ca77eSGeorge Wilson newsize = vdev_get_min_asize(newvd); 279031157203SJeff Bonwick } else { 279131157203SJeff Bonwick /* 279231157203SJeff Bonwick * Make newsize a little bigger or smaller than oldsize. 279331157203SJeff Bonwick * If it's smaller, the attach should fail. 279431157203SJeff Bonwick * If it's larger, and we're doing a replace, 279531157203SJeff Bonwick * we should get dynamic LUN growth when we're done. 279631157203SJeff Bonwick */ 279731157203SJeff Bonwick newsize = 10 * oldsize / (9 + ztest_random(3)); 279831157203SJeff Bonwick } 2799fa9e4066Sahrens 2800fa9e4066Sahrens /* 2801fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 2802fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 2803fa9e4066Sahrens * 2804ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 2805fa9e4066Sahrens * 2806ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 2807fa9e4066Sahrens */ 280831157203SJeff Bonwick if (pvd->vdev_ops != &vdev_mirror_ops && 280931157203SJeff Bonwick pvd->vdev_ops != &vdev_root_ops && (!replacing || 281031157203SJeff Bonwick pvd->vdev_ops == &vdev_replacing_ops || 281131157203SJeff Bonwick pvd->vdev_ops == &vdev_spare_ops)) 281231157203SJeff Bonwick expected_error = ENOTSUP; 281331157203SJeff Bonwick else if (newvd_is_spare && (!replacing || oldvd_is_log)) 2814fa9e4066Sahrens expected_error = ENOTSUP; 281531157203SJeff Bonwick else if (newvd == oldvd) 281631157203SJeff Bonwick expected_error = replacing ? 0 : EBUSY; 281731157203SJeff Bonwick else if (vdev_lookup_by_path(rvd, newpath) != NULL) 281831157203SJeff Bonwick expected_error = EBUSY; 2819ea8dc4b6Seschrock else if (newsize < oldsize) 2820fa9e4066Sahrens expected_error = EOVERFLOW; 2821ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 2822ecc2d604Sbonwick expected_error = EDOM; 2823fa9e4066Sahrens else 2824fa9e4066Sahrens expected_error = 0; 2825fa9e4066Sahrens 2826e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2827fa9e4066Sahrens 2828fa9e4066Sahrens /* 2829ea8dc4b6Seschrock * Build the nvlist describing newpath. 2830fa9e4066Sahrens */ 2831*25345e46SGeorge Wilson root = make_vdev_root(newpath, NULL, NULL, newvd == NULL ? newsize : 0, 2832e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 2833fa9e4066Sahrens 283431157203SJeff Bonwick error = spa_vdev_attach(spa, oldguid, root, replacing); 2835fa9e4066Sahrens 2836fa9e4066Sahrens nvlist_free(root); 2837fa9e4066Sahrens 2838fa9e4066Sahrens /* 2839fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 2840fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 2841fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 2842fa9e4066Sahrens */ 2843fa9e4066Sahrens if (expected_error == ENOTSUP && 2844fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 2845fa9e4066Sahrens expected_error = error; 2846fa9e4066Sahrens 2847f0aa80d4Sbonwick /* 2848f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 2849f0aa80d4Sbonwick */ 2850088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 2851f0aa80d4Sbonwick expected_error = error; 2852f0aa80d4Sbonwick 2853088f3894Sahrens /* XXX workaround 6690467 */ 2854088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 2855088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 2856088f3894Sahrens "returned %d, expected %d", 2857088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 2858088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 2859fa9e4066Sahrens } 2860fa9e4066Sahrens 2861420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2862fa9e4066Sahrens } 2863fa9e4066Sahrens 2864573ca77eSGeorge Wilson /* 2865573ca77eSGeorge Wilson * Callback function which expands the physical size of the vdev. 2866573ca77eSGeorge Wilson */ 2867573ca77eSGeorge Wilson vdev_t * 2868573ca77eSGeorge Wilson grow_vdev(vdev_t *vd, void *arg) 2869573ca77eSGeorge Wilson { 2870573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2871573ca77eSGeorge Wilson size_t *newsize = arg; 2872573ca77eSGeorge Wilson size_t fsize; 2873573ca77eSGeorge Wilson int fd; 2874573ca77eSGeorge Wilson 2875573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2876573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2877573ca77eSGeorge Wilson 2878573ca77eSGeorge Wilson if ((fd = open(vd->vdev_path, O_RDWR)) == -1) 2879573ca77eSGeorge Wilson return (vd); 2880573ca77eSGeorge Wilson 2881573ca77eSGeorge Wilson fsize = lseek(fd, 0, SEEK_END); 2882573ca77eSGeorge Wilson (void) ftruncate(fd, *newsize); 2883573ca77eSGeorge Wilson 2884420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 2885573ca77eSGeorge Wilson (void) printf("%s grew from %lu to %lu bytes\n", 2886573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)fsize, (ulong_t)*newsize); 2887573ca77eSGeorge Wilson } 2888573ca77eSGeorge Wilson (void) close(fd); 2889573ca77eSGeorge Wilson return (NULL); 2890573ca77eSGeorge Wilson } 2891573ca77eSGeorge Wilson 2892573ca77eSGeorge Wilson /* 2893573ca77eSGeorge Wilson * Callback function which expands a given vdev by calling vdev_online(). 2894573ca77eSGeorge Wilson */ 2895573ca77eSGeorge Wilson /* ARGSUSED */ 2896573ca77eSGeorge Wilson vdev_t * 2897573ca77eSGeorge Wilson online_vdev(vdev_t *vd, void *arg) 2898573ca77eSGeorge Wilson { 2899573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2900573ca77eSGeorge Wilson vdev_t *tvd = vd->vdev_top; 2901573ca77eSGeorge Wilson uint64_t guid = vd->vdev_guid; 29028f18d1faSGeorge Wilson uint64_t generation = spa->spa_config_generation + 1; 2903095bcd66SGeorge Wilson vdev_state_t newstate = VDEV_STATE_UNKNOWN; 2904095bcd66SGeorge Wilson int error; 2905573ca77eSGeorge Wilson 2906573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2907573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2908573ca77eSGeorge Wilson 2909573ca77eSGeorge Wilson /* Calling vdev_online will initialize the new metaslabs */ 2910573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2911095bcd66SGeorge Wilson error = vdev_online(spa, guid, ZFS_ONLINE_EXPAND, &newstate); 2912573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2913573ca77eSGeorge Wilson 2914095bcd66SGeorge Wilson /* 2915095bcd66SGeorge Wilson * If vdev_online returned an error or the underlying vdev_open 2916095bcd66SGeorge Wilson * failed then we abort the expand. The only way to know that 2917095bcd66SGeorge Wilson * vdev_open fails is by checking the returned newstate. 2918095bcd66SGeorge Wilson */ 2919095bcd66SGeorge Wilson if (error || newstate != VDEV_STATE_HEALTHY) { 2920420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 2921095bcd66SGeorge Wilson (void) printf("Unable to expand vdev, state %llu, " 2922095bcd66SGeorge Wilson "error %d\n", (u_longlong_t)newstate, error); 2923095bcd66SGeorge Wilson } 2924095bcd66SGeorge Wilson return (vd); 2925095bcd66SGeorge Wilson } 2926095bcd66SGeorge Wilson ASSERT3U(newstate, ==, VDEV_STATE_HEALTHY); 2927095bcd66SGeorge Wilson 2928573ca77eSGeorge Wilson /* 2929573ca77eSGeorge Wilson * Since we dropped the lock we need to ensure that we're 2930573ca77eSGeorge Wilson * still talking to the original vdev. It's possible this 2931573ca77eSGeorge Wilson * vdev may have been detached/replaced while we were 2932573ca77eSGeorge Wilson * trying to online it. 2933573ca77eSGeorge Wilson */ 29348f18d1faSGeorge Wilson if (generation != spa->spa_config_generation) { 2935420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 29368f18d1faSGeorge Wilson (void) printf("vdev configuration has changed, " 29378f18d1faSGeorge Wilson "guid %llu, state %llu, expected gen %llu, " 2938b24ab676SJeff Bonwick "got gen %llu\n", 2939b24ab676SJeff Bonwick (u_longlong_t)guid, 29408f18d1faSGeorge Wilson (u_longlong_t)tvd->vdev_state, 29418f18d1faSGeorge Wilson (u_longlong_t)generation, 29428f18d1faSGeorge Wilson (u_longlong_t)spa->spa_config_generation); 2943573ca77eSGeorge Wilson } 2944573ca77eSGeorge Wilson return (vd); 2945573ca77eSGeorge Wilson } 2946573ca77eSGeorge Wilson return (NULL); 2947573ca77eSGeorge Wilson } 2948573ca77eSGeorge Wilson 2949573ca77eSGeorge Wilson /* 2950573ca77eSGeorge Wilson * Traverse the vdev tree calling the supplied function. 2951573ca77eSGeorge Wilson * We continue to walk the tree until we either have walked all 2952573ca77eSGeorge Wilson * children or we receive a non-NULL return from the callback. 2953573ca77eSGeorge Wilson * If a NULL callback is passed, then we just return back the first 2954573ca77eSGeorge Wilson * leaf vdev we encounter. 2955573ca77eSGeorge Wilson */ 2956573ca77eSGeorge Wilson vdev_t * 2957573ca77eSGeorge Wilson vdev_walk_tree(vdev_t *vd, vdev_t *(*func)(vdev_t *, void *), void *arg) 2958573ca77eSGeorge Wilson { 2959573ca77eSGeorge Wilson if (vd->vdev_ops->vdev_op_leaf) { 2960573ca77eSGeorge Wilson if (func == NULL) 2961573ca77eSGeorge Wilson return (vd); 2962573ca77eSGeorge Wilson else 2963573ca77eSGeorge Wilson return (func(vd, arg)); 2964573ca77eSGeorge Wilson } 2965573ca77eSGeorge Wilson 2966573ca77eSGeorge Wilson for (uint_t c = 0; c < vd->vdev_children; c++) { 2967573ca77eSGeorge Wilson vdev_t *cvd = vd->vdev_child[c]; 2968573ca77eSGeorge Wilson if ((cvd = vdev_walk_tree(cvd, func, arg)) != NULL) 2969573ca77eSGeorge Wilson return (cvd); 2970573ca77eSGeorge Wilson } 2971573ca77eSGeorge Wilson return (NULL); 2972573ca77eSGeorge Wilson } 2973573ca77eSGeorge Wilson 2974fa9e4066Sahrens /* 2975fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 2976fa9e4066Sahrens */ 2977b24ab676SJeff Bonwick /* ARGSUSED */ 2978fa9e4066Sahrens void 2979b24ab676SJeff Bonwick ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id) 2980fa9e4066Sahrens { 2981420dfc95SChris Siden spa_t *spa = ztest_spa; 2982b24ab676SJeff Bonwick vdev_t *vd, *tvd; 2983b24ab676SJeff Bonwick metaslab_class_t *mc; 2984b24ab676SJeff Bonwick metaslab_group_t *mg; 2985573ca77eSGeorge Wilson size_t psize, newsize; 2986b24ab676SJeff Bonwick uint64_t top; 2987b24ab676SJeff Bonwick uint64_t old_class_space, new_class_space, old_ms_count, new_ms_count; 2988fa9e4066Sahrens 2989420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2990573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2991573ca77eSGeorge Wilson 2992b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2993573ca77eSGeorge Wilson 2994b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 2995b24ab676SJeff Bonwick mg = tvd->vdev_mg; 2996b24ab676SJeff Bonwick mc = mg->mg_class; 2997b24ab676SJeff Bonwick old_ms_count = tvd->vdev_ms_count; 2998b24ab676SJeff Bonwick old_class_space = metaslab_class_get_space(mc); 2999fa9e4066Sahrens 3000fa9e4066Sahrens /* 3001573ca77eSGeorge Wilson * Determine the size of the first leaf vdev associated with 3002573ca77eSGeorge Wilson * our top-level device. 3003fa9e4066Sahrens */ 3004573ca77eSGeorge Wilson vd = vdev_walk_tree(tvd, NULL, NULL); 3005573ca77eSGeorge Wilson ASSERT3P(vd, !=, NULL); 3006573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 3007fa9e4066Sahrens 3008573ca77eSGeorge Wilson psize = vd->vdev_psize; 3009fa9e4066Sahrens 3010573ca77eSGeorge Wilson /* 30118f18d1faSGeorge Wilson * We only try to expand the vdev if it's healthy, less than 4x its 30128f18d1faSGeorge Wilson * original size, and it has a valid psize. 3013573ca77eSGeorge Wilson */ 30148f18d1faSGeorge Wilson if (tvd->vdev_state != VDEV_STATE_HEALTHY || 3015420dfc95SChris Siden psize == 0 || psize >= 4 * ztest_opts.zo_vdev_size) { 3016573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 3017420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 3018573ca77eSGeorge Wilson return; 3019573ca77eSGeorge Wilson } 3020573ca77eSGeorge Wilson ASSERT(psize > 0); 3021573ca77eSGeorge Wilson newsize = psize + psize / 8; 3022573ca77eSGeorge Wilson ASSERT3U(newsize, >, psize); 3023fa9e4066Sahrens 3024420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 3025b24ab676SJeff Bonwick (void) printf("Expanding LUN %s from %lu to %lu\n", 3026573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)psize, (ulong_t)newsize); 3027573ca77eSGeorge Wilson } 3028573ca77eSGeorge Wilson 3029573ca77eSGeorge Wilson /* 3030573ca77eSGeorge Wilson * Growing the vdev is a two step process: 3031573ca77eSGeorge Wilson * 1). expand the physical size (i.e. relabel) 3032573ca77eSGeorge Wilson * 2). online the vdev to create the new metaslabs 3033573ca77eSGeorge Wilson */ 3034573ca77eSGeorge Wilson if (vdev_walk_tree(tvd, grow_vdev, &newsize) != NULL || 3035573ca77eSGeorge Wilson vdev_walk_tree(tvd, online_vdev, NULL) != NULL || 3036573ca77eSGeorge Wilson tvd->vdev_state != VDEV_STATE_HEALTHY) { 3037420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 3038b24ab676SJeff Bonwick (void) printf("Could not expand LUN because " 3039b24ab676SJeff Bonwick "the vdev configuration changed.\n"); 3040b24ab676SJeff Bonwick } 3041b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 3042420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 3043b24ab676SJeff Bonwick return; 3044b24ab676SJeff Bonwick } 3045b24ab676SJeff Bonwick 3046b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 3047b24ab676SJeff Bonwick 3048b24ab676SJeff Bonwick /* 3049b24ab676SJeff Bonwick * Expanding the LUN will update the config asynchronously, 3050b24ab676SJeff Bonwick * thus we must wait for the async thread to complete any 3051b24ab676SJeff Bonwick * pending tasks before proceeding. 3052b24ab676SJeff Bonwick */ 3053b24ab676SJeff Bonwick for (;;) { 3054b24ab676SJeff Bonwick boolean_t done; 3055b24ab676SJeff Bonwick mutex_enter(&spa->spa_async_lock); 3056b24ab676SJeff Bonwick done = (spa->spa_async_thread == NULL && !spa->spa_async_tasks); 3057b24ab676SJeff Bonwick mutex_exit(&spa->spa_async_lock); 3058b24ab676SJeff Bonwick if (done) 3059b24ab676SJeff Bonwick break; 3060b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 3061b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 3062b24ab676SJeff Bonwick } 3063b24ab676SJeff Bonwick 3064b24ab676SJeff Bonwick spa_config_enter(spa, SCL_STATE, spa, RW_READER); 3065b24ab676SJeff Bonwick 3066b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 3067b24ab676SJeff Bonwick new_ms_count = tvd->vdev_ms_count; 3068b24ab676SJeff Bonwick new_class_space = metaslab_class_get_space(mc); 3069b24ab676SJeff Bonwick 3070b24ab676SJeff Bonwick if (tvd->vdev_mg != mg || mg->mg_class != mc) { 3071420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 3072b24ab676SJeff Bonwick (void) printf("Could not verify LUN expansion due to " 3073b24ab676SJeff Bonwick "intervening vdev offline or remove.\n"); 3074fa9e4066Sahrens } 3075b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 3076420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 3077573ca77eSGeorge Wilson return; 3078fa9e4066Sahrens } 3079fa9e4066Sahrens 3080573ca77eSGeorge Wilson /* 3081b24ab676SJeff Bonwick * Make sure we were able to grow the vdev. 3082573ca77eSGeorge Wilson */ 3083b24ab676SJeff Bonwick if (new_ms_count <= old_ms_count) 3084b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: ms_count %llu <= %llu\n", 3085b24ab676SJeff Bonwick old_ms_count, new_ms_count); 3086573ca77eSGeorge Wilson 3087573ca77eSGeorge Wilson /* 3088573ca77eSGeorge Wilson * Make sure we were able to grow the pool. 3089573ca77eSGeorge Wilson */ 3090b24ab676SJeff Bonwick if (new_class_space <= old_class_space) 3091b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: class_space %llu <= %llu\n", 3092b24ab676SJeff Bonwick old_class_space, new_class_space); 3093b24ab676SJeff Bonwick 3094420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 3095573ca77eSGeorge Wilson char oldnumbuf[6], newnumbuf[6]; 3096573ca77eSGeorge Wilson 3097b24ab676SJeff Bonwick nicenum(old_class_space, oldnumbuf); 3098b24ab676SJeff Bonwick nicenum(new_class_space, newnumbuf); 3099573ca77eSGeorge Wilson (void) printf("%s grew from %s to %s\n", 3100573ca77eSGeorge Wilson spa->spa_name, oldnumbuf, newnumbuf); 3101573ca77eSGeorge Wilson } 3102b24ab676SJeff Bonwick 3103573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 3104420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 3105fa9e4066Sahrens } 3106fa9e4066Sahrens 3107b24ab676SJeff Bonwick /* 3108b24ab676SJeff Bonwick * Verify that dmu_objset_{create,destroy,open,close} work as expected. 3109b24ab676SJeff Bonwick */ 3110fa9e4066Sahrens /* ARGSUSED */ 3111fa9e4066Sahrens static void 3112b24ab676SJeff Bonwick ztest_objset_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 3113fa9e4066Sahrens { 3114fa9e4066Sahrens /* 3115b24ab676SJeff Bonwick * Create the objects common to all ztest datasets. 3116fa9e4066Sahrens */ 3117b24ab676SJeff Bonwick VERIFY(zap_create_claim(os, ZTEST_DIROBJ, 3118fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 3119fa9e4066Sahrens } 3120fa9e4066Sahrens 312155da60b9SMark J Musante static int 312255da60b9SMark J Musante ztest_dataset_create(char *dsname) 312355da60b9SMark J Musante { 312455da60b9SMark J Musante uint64_t zilset = ztest_random(100); 312555da60b9SMark J Musante int err = dmu_objset_create(dsname, DMU_OST_OTHER, 0, 312655da60b9SMark J Musante ztest_objset_create_cb, NULL); 312755da60b9SMark J Musante 312855da60b9SMark J Musante if (err || zilset < 80) 312955da60b9SMark J Musante return (err); 313055da60b9SMark J Musante 3131420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 3132420dfc95SChris Siden (void) printf("Setting dataset %s to sync always\n", dsname); 313355da60b9SMark J Musante return (ztest_dsl_prop_set_uint64(dsname, ZFS_PROP_SYNC, 313455da60b9SMark J Musante ZFS_SYNC_ALWAYS, B_FALSE)); 313555da60b9SMark J Musante } 313655da60b9SMark J Musante 3137b24ab676SJeff Bonwick /* ARGSUSED */ 31381d452cf5Sahrens static int 3139fd136879SMatthew Ahrens ztest_objset_destroy_cb(const char *name, void *arg) 3140fa9e4066Sahrens { 3141fa9e4066Sahrens objset_t *os; 3142b24ab676SJeff Bonwick dmu_object_info_t doi; 3143fa9e4066Sahrens int error; 3144fa9e4066Sahrens 3145fa9e4066Sahrens /* 3146fa9e4066Sahrens * Verify that the dataset contains a directory object. 3147fa9e4066Sahrens */ 3148b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os)); 3149b24ab676SJeff Bonwick error = dmu_object_info(os, ZTEST_DIROBJ, &doi); 3150e1930233Sbonwick if (error != ENOENT) { 3151e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 3152fb09f5aaSMadhav Suresh ASSERT0(error); 3153b24ab676SJeff Bonwick ASSERT3U(doi.doi_type, ==, DMU_OT_ZAP_OTHER); 3154b24ab676SJeff Bonwick ASSERT3S(doi.doi_physical_blocks_512, >=, 0); 3155e1930233Sbonwick } 3156503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 3157fa9e4066Sahrens 3158fa9e4066Sahrens /* 3159fa9e4066Sahrens * Destroy the dataset. 3160fa9e4066Sahrens */ 3161b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_destroy(name, B_FALSE)); 31621d452cf5Sahrens return (0); 3163fa9e4066Sahrens } 3164fa9e4066Sahrens 3165b24ab676SJeff Bonwick static boolean_t 3166b24ab676SJeff Bonwick ztest_snapshot_create(char *osname, uint64_t id) 3167fa9e4066Sahrens { 3168b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 3169b24ab676SJeff Bonwick int error; 3170b24ab676SJeff Bonwick 3171b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 3172b24ab676SJeff Bonwick (u_longlong_t)id); 3173b24ab676SJeff Bonwick 31744445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, strchr(snapname, '@') + 1); 3175b24ab676SJeff Bonwick if (error == ENOSPC) { 3176b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3177b24ab676SJeff Bonwick return (B_FALSE); 3178b24ab676SJeff Bonwick } 3179b24ab676SJeff Bonwick if (error != 0 && error != EEXIST) 3180b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_create(%s) = %d", snapname, error); 3181b24ab676SJeff Bonwick return (B_TRUE); 3182b24ab676SJeff Bonwick } 3183b24ab676SJeff Bonwick 3184b24ab676SJeff Bonwick static boolean_t 3185b24ab676SJeff Bonwick ztest_snapshot_destroy(char *osname, uint64_t id) 3186b24ab676SJeff Bonwick { 3187b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 3188b24ab676SJeff Bonwick int error; 3189b24ab676SJeff Bonwick 3190b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 3191b24ab676SJeff Bonwick (u_longlong_t)id); 3192b24ab676SJeff Bonwick 3193b24ab676SJeff Bonwick error = dmu_objset_destroy(snapname, B_FALSE); 3194b24ab676SJeff Bonwick if (error != 0 && error != ENOENT) 3195b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_destroy(%s) = %d", snapname, error); 3196b24ab676SJeff Bonwick return (B_TRUE); 3197fa9e4066Sahrens } 3198fa9e4066Sahrens 3199b24ab676SJeff Bonwick /* ARGSUSED */ 3200fa9e4066Sahrens void 3201b24ab676SJeff Bonwick ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64_t id) 3202fa9e4066Sahrens { 3203b24ab676SJeff Bonwick ztest_ds_t zdtmp; 3204b24ab676SJeff Bonwick int iters; 3205fa9e4066Sahrens int error; 3206745cd3c5Smaybee objset_t *os, *os2; 3207b24ab676SJeff Bonwick char name[MAXNAMELEN]; 3208fa9e4066Sahrens zilog_t *zilog; 3209fa9e4066Sahrens 3210420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 3211b24ab676SJeff Bonwick 3212b24ab676SJeff Bonwick (void) snprintf(name, MAXNAMELEN, "%s/temp_%llu", 3213420dfc95SChris Siden ztest_opts.zo_pool, (u_longlong_t)id); 3214fa9e4066Sahrens 3215fa9e4066Sahrens /* 3216fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 3217fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 3218b24ab676SJeff Bonwick * (invoked from ztest_objset_destroy_cb()) should just throw it away. 3219fa9e4066Sahrens */ 3220fa9e4066Sahrens if (ztest_random(2) == 0 && 3221503ad85cSMatthew Ahrens dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os) == 0) { 3222420dfc95SChris Siden ztest_zd_init(&zdtmp, NULL, os); 3223b24ab676SJeff Bonwick zil_replay(os, &zdtmp, ztest_replay_vector); 3224b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3225503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3226fa9e4066Sahrens } 3227fa9e4066Sahrens 3228fa9e4066Sahrens /* 3229fa9e4066Sahrens * There may be an old instance of the dataset we're about to 3230fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 3231fa9e4066Sahrens * and all of its snapshots. 3232fa9e4066Sahrens */ 3233b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 32340b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 3235fa9e4066Sahrens 3236fa9e4066Sahrens /* 3237fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 3238fa9e4066Sahrens */ 3239b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, dmu_objset_hold(name, FTAG, &os)); 3240fa9e4066Sahrens 3241fa9e4066Sahrens /* 3242fa9e4066Sahrens * Verify that we can create a new dataset. 3243fa9e4066Sahrens */ 324455da60b9SMark J Musante error = ztest_dataset_create(name); 3245fa9e4066Sahrens if (error) { 3246fa9e4066Sahrens if (error == ENOSPC) { 3247b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3248420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3249fa9e4066Sahrens return; 3250fa9e4066Sahrens } 3251fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 3252fa9e4066Sahrens } 3253fa9e4066Sahrens 3254b420f3adSRichard Lowe VERIFY3U(0, ==, 3255b420f3adSRichard Lowe dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os)); 3256b24ab676SJeff Bonwick 3257420dfc95SChris Siden ztest_zd_init(&zdtmp, NULL, os); 3258fa9e4066Sahrens 3259fa9e4066Sahrens /* 3260fa9e4066Sahrens * Open the intent log for it. 3261fa9e4066Sahrens */ 3262b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 3263fa9e4066Sahrens 3264fa9e4066Sahrens /* 3265b24ab676SJeff Bonwick * Put some objects in there, do a little I/O to them, 3266b24ab676SJeff Bonwick * and randomly take a couple of snapshots along the way. 3267fa9e4066Sahrens */ 3268b24ab676SJeff Bonwick iters = ztest_random(5); 3269b24ab676SJeff Bonwick for (int i = 0; i < iters; i++) { 3270b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(&zdtmp, id); 3271b24ab676SJeff Bonwick if (ztest_random(iters) == 0) 3272b24ab676SJeff Bonwick (void) ztest_snapshot_create(name, i); 3273fa9e4066Sahrens } 3274fa9e4066Sahrens 3275fa9e4066Sahrens /* 3276fa9e4066Sahrens * Verify that we cannot create an existing dataset. 3277fa9e4066Sahrens */ 3278b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, 3279b24ab676SJeff Bonwick dmu_objset_create(name, DMU_OST_OTHER, 0, NULL, NULL)); 3280fa9e4066Sahrens 3281fa9e4066Sahrens /* 3282503ad85cSMatthew Ahrens * Verify that we can hold an objset that is also owned. 3283745cd3c5Smaybee */ 3284b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os2)); 3285503ad85cSMatthew Ahrens dmu_objset_rele(os2, FTAG); 3286503ad85cSMatthew Ahrens 3287503ad85cSMatthew Ahrens /* 3288b24ab676SJeff Bonwick * Verify that we cannot own an objset that is already owned. 3289503ad85cSMatthew Ahrens */ 3290b24ab676SJeff Bonwick VERIFY3U(EBUSY, ==, 3291b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os2)); 3292fa9e4066Sahrens 3293fa9e4066Sahrens zil_close(zilog); 3294503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3295b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3296fa9e4066Sahrens 3297420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3298fa9e4066Sahrens } 3299fa9e4066Sahrens 3300fa9e4066Sahrens /* 3301fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 3302fa9e4066Sahrens */ 3303fa9e4066Sahrens void 3304b24ab676SJeff Bonwick ztest_dmu_snapshot_create_destroy(ztest_ds_t *zd, uint64_t id) 3305fa9e4066Sahrens { 3306420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 3307b24ab676SJeff Bonwick (void) ztest_snapshot_destroy(zd->zd_name, id); 3308b24ab676SJeff Bonwick (void) ztest_snapshot_create(zd->zd_name, id); 3309420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 33104f5064b7SMark J Musante } 33114f5064b7SMark J Musante 3312718d718aSGeorge Wilson /* 3313718d718aSGeorge Wilson * Cleanup non-standard snapshots and clones. 3314718d718aSGeorge Wilson */ 3315718d718aSGeorge Wilson void 3316b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(char *osname, uint64_t id) 3317718d718aSGeorge Wilson { 3318b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3319b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3320b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3321b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3322b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3323718d718aSGeorge Wilson int error; 3324718d718aSGeorge Wilson 3325b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3326b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3327b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3328b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3329b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 3330718d718aSGeorge Wilson 3331842727c2SChris Kirby error = dmu_objset_destroy(clone2name, B_FALSE); 3332718d718aSGeorge Wilson if (error && error != ENOENT) 3333718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone2name, error); 3334842727c2SChris Kirby error = dmu_objset_destroy(snap3name, B_FALSE); 3335718d718aSGeorge Wilson if (error && error != ENOENT) 3336718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap3name, error); 3337842727c2SChris Kirby error = dmu_objset_destroy(snap2name, B_FALSE); 3338718d718aSGeorge Wilson if (error && error != ENOENT) 3339718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error); 3340842727c2SChris Kirby error = dmu_objset_destroy(clone1name, B_FALSE); 3341718d718aSGeorge Wilson if (error && error != ENOENT) 3342718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone1name, error); 3343842727c2SChris Kirby error = dmu_objset_destroy(snap1name, B_FALSE); 3344718d718aSGeorge Wilson if (error && error != ENOENT) 3345718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap1name, error); 3346718d718aSGeorge Wilson } 3347718d718aSGeorge Wilson 33484f5064b7SMark J Musante /* 33494f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 33504f5064b7SMark J Musante */ 33514f5064b7SMark J Musante void 3352b24ab676SJeff Bonwick ztest_dsl_dataset_promote_busy(ztest_ds_t *zd, uint64_t id) 33534f5064b7SMark J Musante { 33544f5064b7SMark J Musante objset_t *clone; 33554f5064b7SMark J Musante dsl_dataset_t *ds; 3356b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3357b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3358b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3359b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3360b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3361b24ab676SJeff Bonwick char *osname = zd->zd_name; 3362b24ab676SJeff Bonwick int error; 33634f5064b7SMark J Musante 3364420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 33654f5064b7SMark J Musante 3366b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 3367718d718aSGeorge Wilson 3368b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3369b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3370b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3371b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3372b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 337305312e2cSMark J Musante 33744445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, strchr(snap1name, '@') + 1); 3375b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3376b2d22b66SGeorge Wilson if (error == ENOSPC) { 3377b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3378b2d22b66SGeorge Wilson goto out; 3379b2d22b66SGeorge Wilson } 3380b2d22b66SGeorge Wilson fatal(0, "dmu_take_snapshot(%s) = %d", snap1name, error); 3381b2d22b66SGeorge Wilson } 33824f5064b7SMark J Musante 3383503ad85cSMatthew Ahrens error = dmu_objset_hold(snap1name, FTAG, &clone); 33844f5064b7SMark J Musante if (error) 33854f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap1name, error); 33864f5064b7SMark J Musante 3387ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone1name, dmu_objset_ds(clone), 0); 3388503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3389b2d22b66SGeorge Wilson if (error) { 3390b2d22b66SGeorge Wilson if (error == ENOSPC) { 3391b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3392b2d22b66SGeorge Wilson goto out; 3393b2d22b66SGeorge Wilson } 3394b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 3395b2d22b66SGeorge Wilson } 33964f5064b7SMark J Musante 33974445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(clone1name, strchr(snap2name, '@') + 1); 3398b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3399b2d22b66SGeorge Wilson if (error == ENOSPC) { 3400b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3401b2d22b66SGeorge Wilson goto out; 3402b2d22b66SGeorge Wilson } 3403b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap2name, error); 3404b2d22b66SGeorge Wilson } 34054f5064b7SMark J Musante 34064445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(clone1name, strchr(snap3name, '@') + 1); 3407b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3408b2d22b66SGeorge Wilson if (error == ENOSPC) { 3409b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3410b2d22b66SGeorge Wilson goto out; 3411b2d22b66SGeorge Wilson } 3412b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 3413b2d22b66SGeorge Wilson } 34144f5064b7SMark J Musante 3415503ad85cSMatthew Ahrens error = dmu_objset_hold(snap3name, FTAG, &clone); 34164f5064b7SMark J Musante if (error) 34174f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 34184f5064b7SMark J Musante 3419ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone2name, dmu_objset_ds(clone), 0); 3420503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3421b2d22b66SGeorge Wilson if (error) { 3422b2d22b66SGeorge Wilson if (error == ENOSPC) { 3423b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3424b2d22b66SGeorge Wilson goto out; 3425b2d22b66SGeorge Wilson } 3426b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 3427b2d22b66SGeorge Wilson } 34284f5064b7SMark J Musante 3429cde58dbcSMatthew Ahrens error = dsl_dataset_own(snap2name, B_FALSE, FTAG, &ds); 34304f5064b7SMark J Musante if (error) 3431cde58dbcSMatthew Ahrens fatal(0, "dsl_dataset_own(%s) = %d", snap2name, error); 3432681d9761SEric Taylor error = dsl_dataset_promote(clone2name, NULL); 34334f5064b7SMark J Musante if (error != EBUSY) 34344f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 34354f5064b7SMark J Musante error); 34364f5064b7SMark J Musante dsl_dataset_disown(ds, FTAG); 34374f5064b7SMark J Musante 3438b2d22b66SGeorge Wilson out: 3439b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 34404f5064b7SMark J Musante 3441420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3442fa9e4066Sahrens } 3443fa9e4066Sahrens 3444fa9e4066Sahrens /* 3445fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 3446fa9e4066Sahrens */ 3447fa9e4066Sahrens void 3448b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(ztest_ds_t *zd, uint64_t id) 3449fa9e4066Sahrens { 3450b24ab676SJeff Bonwick ztest_od_t od[4]; 3451b24ab676SJeff Bonwick int batchsize = sizeof (od) / sizeof (od[0]); 3452fa9e4066Sahrens 3453b24ab676SJeff Bonwick for (int b = 0; b < batchsize; b++) 3454b24ab676SJeff Bonwick ztest_od_init(&od[b], id, FTAG, b, DMU_OT_UINT64_OTHER, 0, 0); 3455fa9e4066Sahrens 3456fa9e4066Sahrens /* 3457b24ab676SJeff Bonwick * Destroy the previous batch of objects, create a new batch, 3458b24ab676SJeff Bonwick * and do some I/O on the new objects. 3459fa9e4066Sahrens */ 3460b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_TRUE) != 0) 3461b24ab676SJeff Bonwick return; 3462fa9e4066Sahrens 3463b24ab676SJeff Bonwick while (ztest_random(4 * batchsize) != 0) 3464b24ab676SJeff Bonwick ztest_io(zd, od[ztest_random(batchsize)].od_object, 3465b24ab676SJeff Bonwick ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3466fa9e4066Sahrens } 3467fa9e4066Sahrens 3468fa9e4066Sahrens /* 3469fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 3470fa9e4066Sahrens */ 3471fa9e4066Sahrens void 3472b24ab676SJeff Bonwick ztest_dmu_read_write(ztest_ds_t *zd, uint64_t id) 3473fa9e4066Sahrens { 3474b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3475b24ab676SJeff Bonwick ztest_od_t od[2]; 3476fa9e4066Sahrens dmu_tx_t *tx; 3477fa9e4066Sahrens int i, freeit, error; 3478fa9e4066Sahrens uint64_t n, s, txg; 3479fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 3480b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3481b24ab676SJeff Bonwick uint64_t chunksize = (1000 + ztest_random(1000)) * sizeof (uint64_t); 3482fa9e4066Sahrens uint64_t regions = 997; 3483fa9e4066Sahrens uint64_t stride = 123456789ULL; 3484fa9e4066Sahrens uint64_t width = 40; 3485fa9e4066Sahrens int free_percent = 5; 3486fa9e4066Sahrens 3487fa9e4066Sahrens /* 3488fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 3489fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 3490fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 3491fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 3492fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 3493fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 3494fa9e4066Sahrens * 3495fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 3496fa9e4066Sahrens * bigobj, at the head of the nth chunk 3497fa9e4066Sahrens * bigobj, at the tail of the nth chunk 3498fa9e4066Sahrens * 3499fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 3500fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 3501fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 3502fa9e4066Sahrens * 3503fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 3504fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 3505fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 3506fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 3507fa9e4066Sahrens * tracking which parts of an object are allocated and free, 3508fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 3509fa9e4066Sahrens */ 3510fa9e4066Sahrens 3511fa9e4066Sahrens /* 3512fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 3513fa9e4066Sahrens */ 3514b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, chunksize); 3515b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 3516fa9e4066Sahrens 3517b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3518b24ab676SJeff Bonwick return; 3519fa9e4066Sahrens 3520b24ab676SJeff Bonwick bigobj = od[0].od_object; 3521b24ab676SJeff Bonwick packobj = od[1].od_object; 3522b24ab676SJeff Bonwick chunksize = od[0].od_gen; 3523b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 3524fa9e4066Sahrens 3525fa9e4066Sahrens /* 3526fa9e4066Sahrens * Prefetch a random chunk of the big object. 3527fa9e4066Sahrens * Our aim here is to get some async reads in flight 3528fa9e4066Sahrens * for blocks that we may free below; the DMU should 3529fa9e4066Sahrens * handle this race correctly. 3530fa9e4066Sahrens */ 3531fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3532fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 3533b24ab676SJeff Bonwick dmu_prefetch(os, bigobj, n * chunksize, s * chunksize); 3534fa9e4066Sahrens 3535fa9e4066Sahrens /* 3536fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 3537fa9e4066Sahrens */ 3538fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3539fa9e4066Sahrens s = 1 + ztest_random(width - 1); 3540fa9e4066Sahrens 3541fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 3542fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 3543fa9e4066Sahrens 3544b24ab676SJeff Bonwick bigoff = n * chunksize; 3545b24ab676SJeff Bonwick bigsize = s * chunksize; 3546fa9e4066Sahrens 3547fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 3548fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 3549fa9e4066Sahrens 3550fa9e4066Sahrens /* 3551fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 3552fa9e4066Sahrens * overwriting it. 3553fa9e4066Sahrens */ 3554fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 3555fa9e4066Sahrens 3556fa9e4066Sahrens /* 3557fa9e4066Sahrens * Read the current contents of our objects. 3558fa9e4066Sahrens */ 3559b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, packsize, packbuf, 35607bfdf011SNeil Perrin DMU_READ_PREFETCH); 3561fb09f5aaSMadhav Suresh ASSERT0(error); 3562b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, bigbuf, 35637bfdf011SNeil Perrin DMU_READ_PREFETCH); 3564fb09f5aaSMadhav Suresh ASSERT0(error); 3565fa9e4066Sahrens 3566fa9e4066Sahrens /* 3567fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 3568fa9e4066Sahrens */ 3569fa9e4066Sahrens tx = dmu_tx_create(os); 3570fa9e4066Sahrens 3571b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3572fa9e4066Sahrens 3573fa9e4066Sahrens if (freeit) 3574b24ab676SJeff Bonwick dmu_tx_hold_free(tx, bigobj, bigoff, bigsize); 3575fa9e4066Sahrens else 3576b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 3577fa9e4066Sahrens 3578b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3579b24ab676SJeff Bonwick if (txg == 0) { 3580fa9e4066Sahrens umem_free(packbuf, packsize); 3581fa9e4066Sahrens umem_free(bigbuf, bigsize); 3582fa9e4066Sahrens return; 3583fa9e4066Sahrens } 3584fa9e4066Sahrens 3585b24ab676SJeff Bonwick dmu_object_set_checksum(os, bigobj, 3586b24ab676SJeff Bonwick (enum zio_checksum)ztest_random_dsl_prop(ZFS_PROP_CHECKSUM), tx); 3587b24ab676SJeff Bonwick 3588b24ab676SJeff Bonwick dmu_object_set_compress(os, bigobj, 3589b24ab676SJeff Bonwick (enum zio_compress)ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), tx); 3590fa9e4066Sahrens 3591fa9e4066Sahrens /* 3592fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 3593fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 3594fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 3595fa9e4066Sahrens * with the new values we want to write out. 3596fa9e4066Sahrens */ 3597fa9e4066Sahrens for (i = 0; i < s; i++) { 3598fa9e4066Sahrens /* LINTED */ 3599fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 3600fa9e4066Sahrens /* LINTED */ 3601b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 3602fa9e4066Sahrens /* LINTED */ 3603b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 3604fa9e4066Sahrens 3605fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 3606fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 3607fa9e4066Sahrens 3608fa9e4066Sahrens if (pack->bw_txg > txg) 3609fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 3610fa9e4066Sahrens pack->bw_txg, txg); 3611fa9e4066Sahrens 3612fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 3613fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 3614fa9e4066Sahrens pack->bw_index, n, i); 3615fa9e4066Sahrens 3616fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 3617fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 3618fa9e4066Sahrens 3619fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 3620fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 3621fa9e4066Sahrens 3622fa9e4066Sahrens if (freeit) { 3623fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 3624fa9e4066Sahrens } else { 3625fa9e4066Sahrens pack->bw_index = n + i; 3626fa9e4066Sahrens pack->bw_txg = txg; 3627fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 3628fa9e4066Sahrens } 3629fa9e4066Sahrens *bigH = *pack; 3630fa9e4066Sahrens *bigT = *pack; 3631fa9e4066Sahrens } 3632fa9e4066Sahrens 3633fa9e4066Sahrens /* 3634fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 3635fa9e4066Sahrens * Now write them out. 3636fa9e4066Sahrens */ 3637b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3638fa9e4066Sahrens 3639fa9e4066Sahrens if (freeit) { 3640420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 3641fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 3642fa9e4066Sahrens " txg %llx\n", 3643fa9e4066Sahrens (u_longlong_t)bigoff, 3644fa9e4066Sahrens (u_longlong_t)bigsize, 3645fa9e4066Sahrens (u_longlong_t)txg); 3646fa9e4066Sahrens } 3647b24ab676SJeff Bonwick VERIFY(0 == dmu_free_range(os, bigobj, bigoff, bigsize, tx)); 3648fa9e4066Sahrens } else { 3649420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 3650fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 3651fa9e4066Sahrens " txg %llx\n", 3652fa9e4066Sahrens (u_longlong_t)bigoff, 3653fa9e4066Sahrens (u_longlong_t)bigsize, 3654fa9e4066Sahrens (u_longlong_t)txg); 3655fa9e4066Sahrens } 3656b24ab676SJeff Bonwick dmu_write(os, bigobj, bigoff, bigsize, bigbuf, tx); 3657fa9e4066Sahrens } 3658fa9e4066Sahrens 3659fa9e4066Sahrens dmu_tx_commit(tx); 3660fa9e4066Sahrens 3661fa9e4066Sahrens /* 3662fa9e4066Sahrens * Sanity check the stuff we just wrote. 3663fa9e4066Sahrens */ 3664fa9e4066Sahrens { 3665fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 3666fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 3667fa9e4066Sahrens 3668b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 36697bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3670b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 36717bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 3672fa9e4066Sahrens 3673fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 3674fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 3675fa9e4066Sahrens 3676fa9e4066Sahrens umem_free(packcheck, packsize); 3677fa9e4066Sahrens umem_free(bigcheck, bigsize); 3678fa9e4066Sahrens } 3679fa9e4066Sahrens 3680fa9e4066Sahrens umem_free(packbuf, packsize); 3681fa9e4066Sahrens umem_free(bigbuf, bigsize); 3682fa9e4066Sahrens } 3683fa9e4066Sahrens 36842fdbea25SAleksandr Guzovskiy void 36852fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(uint64_t s, bufwad_t *packbuf, bufwad_t *bigbuf, 3686b24ab676SJeff Bonwick uint64_t bigsize, uint64_t n, uint64_t chunksize, uint64_t txg) 36872fdbea25SAleksandr Guzovskiy { 36882fdbea25SAleksandr Guzovskiy uint64_t i; 36892fdbea25SAleksandr Guzovskiy bufwad_t *pack; 36902fdbea25SAleksandr Guzovskiy bufwad_t *bigH; 36912fdbea25SAleksandr Guzovskiy bufwad_t *bigT; 36922fdbea25SAleksandr Guzovskiy 36932fdbea25SAleksandr Guzovskiy /* 36942fdbea25SAleksandr Guzovskiy * For each index from n to n + s, verify that the existing bufwad 36952fdbea25SAleksandr Guzovskiy * in packobj matches the bufwads at the head and tail of the 36962fdbea25SAleksandr Guzovskiy * corresponding chunk in bigobj. Then update all three bufwads 36972fdbea25SAleksandr Guzovskiy * with the new values we want to write out. 36982fdbea25SAleksandr Guzovskiy */ 36992fdbea25SAleksandr Guzovskiy for (i = 0; i < s; i++) { 37002fdbea25SAleksandr Guzovskiy /* LINTED */ 37012fdbea25SAleksandr Guzovskiy pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 37022fdbea25SAleksandr Guzovskiy /* LINTED */ 3703b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 37042fdbea25SAleksandr Guzovskiy /* LINTED */ 3705b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 37062fdbea25SAleksandr Guzovskiy 37072fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 37082fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 37092fdbea25SAleksandr Guzovskiy 37102fdbea25SAleksandr Guzovskiy if (pack->bw_txg > txg) 37112fdbea25SAleksandr Guzovskiy fatal(0, "future leak: got %llx, open txg is %llx", 37122fdbea25SAleksandr Guzovskiy pack->bw_txg, txg); 37132fdbea25SAleksandr Guzovskiy 37142fdbea25SAleksandr Guzovskiy if (pack->bw_data != 0 && pack->bw_index != n + i) 37152fdbea25SAleksandr Guzovskiy fatal(0, "wrong index: got %llx, wanted %llx+%llx", 37162fdbea25SAleksandr Guzovskiy pack->bw_index, n, i); 37172fdbea25SAleksandr Guzovskiy 37182fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 37192fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 37202fdbea25SAleksandr Guzovskiy 37212fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 37222fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 37232fdbea25SAleksandr Guzovskiy 37242fdbea25SAleksandr Guzovskiy pack->bw_index = n + i; 37252fdbea25SAleksandr Guzovskiy pack->bw_txg = txg; 37262fdbea25SAleksandr Guzovskiy pack->bw_data = 1 + ztest_random(-2ULL); 37272fdbea25SAleksandr Guzovskiy 37282fdbea25SAleksandr Guzovskiy *bigH = *pack; 37292fdbea25SAleksandr Guzovskiy *bigT = *pack; 37302fdbea25SAleksandr Guzovskiy } 37312fdbea25SAleksandr Guzovskiy } 37322fdbea25SAleksandr Guzovskiy 37332fdbea25SAleksandr Guzovskiy void 3734b24ab676SJeff Bonwick ztest_dmu_read_write_zcopy(ztest_ds_t *zd, uint64_t id) 37352fdbea25SAleksandr Guzovskiy { 3736b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3737b24ab676SJeff Bonwick ztest_od_t od[2]; 37382fdbea25SAleksandr Guzovskiy dmu_tx_t *tx; 37392fdbea25SAleksandr Guzovskiy uint64_t i; 37402fdbea25SAleksandr Guzovskiy int error; 37412fdbea25SAleksandr Guzovskiy uint64_t n, s, txg; 37422fdbea25SAleksandr Guzovskiy bufwad_t *packbuf, *bigbuf; 3743b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3744b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3745b24ab676SJeff Bonwick uint64_t chunksize = blocksize; 37462fdbea25SAleksandr Guzovskiy uint64_t regions = 997; 37472fdbea25SAleksandr Guzovskiy uint64_t stride = 123456789ULL; 37482fdbea25SAleksandr Guzovskiy uint64_t width = 9; 37492fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 37502fdbea25SAleksandr Guzovskiy arc_buf_t **bigbuf_arcbufs; 3751b24ab676SJeff Bonwick dmu_object_info_t doi; 37522fdbea25SAleksandr Guzovskiy 37532fdbea25SAleksandr Guzovskiy /* 37542fdbea25SAleksandr Guzovskiy * This test uses two objects, packobj and bigobj, that are always 37552fdbea25SAleksandr Guzovskiy * updated together (i.e. in the same tx) so that their contents are 37562fdbea25SAleksandr Guzovskiy * in sync and can be compared. Their contents relate to each other 37572fdbea25SAleksandr Guzovskiy * in a simple way: packobj is a dense array of 'bufwad' structures, 37582fdbea25SAleksandr Guzovskiy * while bigobj is a sparse array of the same bufwads. Specifically, 37592fdbea25SAleksandr Guzovskiy * for any index n, there are three bufwads that should be identical: 37602fdbea25SAleksandr Guzovskiy * 37612fdbea25SAleksandr Guzovskiy * packobj, at offset n * sizeof (bufwad_t) 37622fdbea25SAleksandr Guzovskiy * bigobj, at the head of the nth chunk 37632fdbea25SAleksandr Guzovskiy * bigobj, at the tail of the nth chunk 37642fdbea25SAleksandr Guzovskiy * 37652fdbea25SAleksandr Guzovskiy * The chunk size is set equal to bigobj block size so that 37662fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() can be tested for object updates. 37672fdbea25SAleksandr Guzovskiy */ 37682fdbea25SAleksandr Guzovskiy 37692fdbea25SAleksandr Guzovskiy /* 37702fdbea25SAleksandr Guzovskiy * Read the directory info. If it's the first time, set things up. 37712fdbea25SAleksandr Guzovskiy */ 3772b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3773b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 37742fdbea25SAleksandr Guzovskiy 3775b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3776b24ab676SJeff Bonwick return; 37772fdbea25SAleksandr Guzovskiy 3778b24ab676SJeff Bonwick bigobj = od[0].od_object; 3779b24ab676SJeff Bonwick packobj = od[1].od_object; 3780b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 3781b24ab676SJeff Bonwick chunksize = blocksize; 3782b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 37832fdbea25SAleksandr Guzovskiy 3784b24ab676SJeff Bonwick VERIFY(dmu_object_info(os, bigobj, &doi) == 0); 3785b24ab676SJeff Bonwick VERIFY(ISP2(doi.doi_data_block_size)); 3786b24ab676SJeff Bonwick VERIFY(chunksize == doi.doi_data_block_size); 3787b24ab676SJeff Bonwick VERIFY(chunksize >= 2 * sizeof (bufwad_t)); 37882fdbea25SAleksandr Guzovskiy 37892fdbea25SAleksandr Guzovskiy /* 37902fdbea25SAleksandr Guzovskiy * Pick a random index and compute the offsets into packobj and bigobj. 37912fdbea25SAleksandr Guzovskiy */ 37922fdbea25SAleksandr Guzovskiy n = ztest_random(regions) * stride + ztest_random(width); 37932fdbea25SAleksandr Guzovskiy s = 1 + ztest_random(width - 1); 37942fdbea25SAleksandr Guzovskiy 37952fdbea25SAleksandr Guzovskiy packoff = n * sizeof (bufwad_t); 37962fdbea25SAleksandr Guzovskiy packsize = s * sizeof (bufwad_t); 37972fdbea25SAleksandr Guzovskiy 3798b24ab676SJeff Bonwick bigoff = n * chunksize; 3799b24ab676SJeff Bonwick bigsize = s * chunksize; 38002fdbea25SAleksandr Guzovskiy 38012fdbea25SAleksandr Guzovskiy packbuf = umem_zalloc(packsize, UMEM_NOFAIL); 38022fdbea25SAleksandr Guzovskiy bigbuf = umem_zalloc(bigsize, UMEM_NOFAIL); 38032fdbea25SAleksandr Guzovskiy 3804b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_bonus_hold(os, bigobj, FTAG, &bonus_db)); 38052fdbea25SAleksandr Guzovskiy 38062fdbea25SAleksandr Guzovskiy bigbuf_arcbufs = umem_zalloc(2 * s * sizeof (arc_buf_t *), UMEM_NOFAIL); 38072fdbea25SAleksandr Guzovskiy 38082fdbea25SAleksandr Guzovskiy /* 38092fdbea25SAleksandr Guzovskiy * Iteration 0 test zcopy for DB_UNCACHED dbufs. 38102fdbea25SAleksandr Guzovskiy * Iteration 1 test zcopy to already referenced dbufs. 38112fdbea25SAleksandr Guzovskiy * Iteration 2 test zcopy to dirty dbuf in the same txg. 38122fdbea25SAleksandr Guzovskiy * Iteration 3 test zcopy to dbuf dirty in previous txg. 38132fdbea25SAleksandr Guzovskiy * Iteration 4 test zcopy when dbuf is no longer dirty. 38142fdbea25SAleksandr Guzovskiy * Iteration 5 test zcopy when it can't be done. 38152fdbea25SAleksandr Guzovskiy * Iteration 6 one more zcopy write. 38162fdbea25SAleksandr Guzovskiy */ 38172fdbea25SAleksandr Guzovskiy for (i = 0; i < 7; i++) { 38182fdbea25SAleksandr Guzovskiy uint64_t j; 38192fdbea25SAleksandr Guzovskiy uint64_t off; 38202fdbea25SAleksandr Guzovskiy 38212fdbea25SAleksandr Guzovskiy /* 38222fdbea25SAleksandr Guzovskiy * In iteration 5 (i == 5) use arcbufs 38232fdbea25SAleksandr Guzovskiy * that don't match bigobj blksz to test 38242fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() when it can't directly 38252fdbea25SAleksandr Guzovskiy * assign an arcbuf to a dbuf. 38262fdbea25SAleksandr Guzovskiy */ 38272fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 38282fdbea25SAleksandr Guzovskiy if (i != 5) { 38292fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j] = 3830b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize); 38312fdbea25SAleksandr Guzovskiy } else { 38322fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j] = 3833b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 38342fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1] = 3835b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 38362fdbea25SAleksandr Guzovskiy } 38372fdbea25SAleksandr Guzovskiy } 38382fdbea25SAleksandr Guzovskiy 38392fdbea25SAleksandr Guzovskiy /* 38402fdbea25SAleksandr Guzovskiy * Get a tx for the mods to both packobj and bigobj. 38412fdbea25SAleksandr Guzovskiy */ 38422fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 38432fdbea25SAleksandr Guzovskiy 3844b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3845b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 38462fdbea25SAleksandr Guzovskiy 3847b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3848b24ab676SJeff Bonwick if (txg == 0) { 38492fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 38502fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 38512fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 38522fdbea25SAleksandr Guzovskiy if (i != 5) { 38532fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(bigbuf_arcbufs[j]); 38542fdbea25SAleksandr Guzovskiy } else { 38552fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 38562fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]); 38572fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 38582fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]); 38592fdbea25SAleksandr Guzovskiy } 38602fdbea25SAleksandr Guzovskiy } 38612fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 38622fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 38632fdbea25SAleksandr Guzovskiy return; 38642fdbea25SAleksandr Guzovskiy } 38652fdbea25SAleksandr Guzovskiy 38662fdbea25SAleksandr Guzovskiy /* 38672fdbea25SAleksandr Guzovskiy * 50% of the time don't read objects in the 1st iteration to 38682fdbea25SAleksandr Guzovskiy * test dmu_assign_arcbuf() for the case when there're no 38692fdbea25SAleksandr Guzovskiy * existing dbufs for the specified offsets. 38702fdbea25SAleksandr Guzovskiy */ 38712fdbea25SAleksandr Guzovskiy if (i != 0 || ztest_random(2) != 0) { 3872b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, 38737bfdf011SNeil Perrin packsize, packbuf, DMU_READ_PREFETCH); 3874fb09f5aaSMadhav Suresh ASSERT0(error); 3875b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, 38767bfdf011SNeil Perrin bigbuf, DMU_READ_PREFETCH); 3877fb09f5aaSMadhav Suresh ASSERT0(error); 38782fdbea25SAleksandr Guzovskiy } 38792fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(s, packbuf, bigbuf, bigsize, 3880b24ab676SJeff Bonwick n, chunksize, txg); 38812fdbea25SAleksandr Guzovskiy 38822fdbea25SAleksandr Guzovskiy /* 38832fdbea25SAleksandr Guzovskiy * We've verified all the old bufwads, and made new ones. 38842fdbea25SAleksandr Guzovskiy * Now write them out. 38852fdbea25SAleksandr Guzovskiy */ 3886b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3887420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 38882fdbea25SAleksandr Guzovskiy (void) printf("writing offset %llx size %llx" 38892fdbea25SAleksandr Guzovskiy " txg %llx\n", 38902fdbea25SAleksandr Guzovskiy (u_longlong_t)bigoff, 38912fdbea25SAleksandr Guzovskiy (u_longlong_t)bigsize, 38922fdbea25SAleksandr Guzovskiy (u_longlong_t)txg); 38932fdbea25SAleksandr Guzovskiy } 3894b24ab676SJeff Bonwick for (off = bigoff, j = 0; j < s; j++, off += chunksize) { 38952fdbea25SAleksandr Guzovskiy dmu_buf_t *dbt; 38962fdbea25SAleksandr Guzovskiy if (i != 5) { 38972fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 3898b24ab676SJeff Bonwick bigbuf_arcbufs[j]->b_data, chunksize); 38992fdbea25SAleksandr Guzovskiy } else { 39002fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 39012fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]->b_data, 3902b24ab676SJeff Bonwick chunksize / 2); 39032fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff) + 3904b24ab676SJeff Bonwick chunksize / 2, 39052fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]->b_data, 3906b24ab676SJeff Bonwick chunksize / 2); 39072fdbea25SAleksandr Guzovskiy } 39082fdbea25SAleksandr Guzovskiy 39092fdbea25SAleksandr Guzovskiy if (i == 1) { 3910b24ab676SJeff Bonwick VERIFY(dmu_buf_hold(os, bigobj, off, 391147cb52daSJeff Bonwick FTAG, &dbt, DMU_READ_NO_PREFETCH) == 0); 39122fdbea25SAleksandr Guzovskiy } 39132fdbea25SAleksandr Guzovskiy if (i != 5) { 39142fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 39152fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j], tx); 39162fdbea25SAleksandr Guzovskiy } else { 39172fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 39182fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j], tx); 39192fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, 3920b24ab676SJeff Bonwick off + chunksize / 2, 39212fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1], tx); 39222fdbea25SAleksandr Guzovskiy } 39232fdbea25SAleksandr Guzovskiy if (i == 1) { 39242fdbea25SAleksandr Guzovskiy dmu_buf_rele(dbt, FTAG); 39252fdbea25SAleksandr Guzovskiy } 39262fdbea25SAleksandr Guzovskiy } 39272fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 39282fdbea25SAleksandr Guzovskiy 39292fdbea25SAleksandr Guzovskiy /* 39302fdbea25SAleksandr Guzovskiy * Sanity check the stuff we just wrote. 39312fdbea25SAleksandr Guzovskiy */ 39322fdbea25SAleksandr Guzovskiy { 39332fdbea25SAleksandr Guzovskiy void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 39342fdbea25SAleksandr Guzovskiy void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 39352fdbea25SAleksandr Guzovskiy 3936b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 39377bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3938b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 39397bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 39402fdbea25SAleksandr Guzovskiy 39412fdbea25SAleksandr Guzovskiy ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 39422fdbea25SAleksandr Guzovskiy ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 39432fdbea25SAleksandr Guzovskiy 39442fdbea25SAleksandr Guzovskiy umem_free(packcheck, packsize); 39452fdbea25SAleksandr Guzovskiy umem_free(bigcheck, bigsize); 39462fdbea25SAleksandr Guzovskiy } 39472fdbea25SAleksandr Guzovskiy if (i == 2) { 3948b24ab676SJeff Bonwick txg_wait_open(dmu_objset_pool(os), 0); 3949b24ab676SJeff Bonwick } else if (i == 3) { 3950b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 3951fa9e4066Sahrens } 3952e05725b1Sbonwick } 3953e05725b1Sbonwick 3954b24ab676SJeff Bonwick dmu_buf_rele(bonus_db, FTAG); 3955b24ab676SJeff Bonwick umem_free(packbuf, packsize); 3956b24ab676SJeff Bonwick umem_free(bigbuf, bigsize); 3957b24ab676SJeff Bonwick umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 3958b24ab676SJeff Bonwick } 3959fa9e4066Sahrens 3960b24ab676SJeff Bonwick /* ARGSUSED */ 3961b24ab676SJeff Bonwick void 3962b24ab676SJeff Bonwick ztest_dmu_write_parallel(ztest_ds_t *zd, uint64_t id) 3963b24ab676SJeff Bonwick { 3964b24ab676SJeff Bonwick ztest_od_t od[1]; 3965b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(20) + 43)) + 3966b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3967fa9e4066Sahrens 3968e05725b1Sbonwick /* 3969b24ab676SJeff Bonwick * Have multiple threads write to large offsets in an object 3970b24ab676SJeff Bonwick * to verify that parallel writes to an object -- even to the 3971b24ab676SJeff Bonwick * same blocks within the object -- doesn't cause any trouble. 3972e05725b1Sbonwick */ 3973b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 3974fa9e4066Sahrens 3975b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3976e05725b1Sbonwick return; 3977fa9e4066Sahrens 3978b24ab676SJeff Bonwick while (ztest_random(10) != 0) 3979b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, offset); 3980b24ab676SJeff Bonwick } 3981fa9e4066Sahrens 3982b24ab676SJeff Bonwick void 3983b24ab676SJeff Bonwick ztest_dmu_prealloc(ztest_ds_t *zd, uint64_t id) 3984b24ab676SJeff Bonwick { 3985b24ab676SJeff Bonwick ztest_od_t od[1]; 3986b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(4) + SPA_MAXBLOCKSHIFT)) + 3987b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3988b24ab676SJeff Bonwick uint64_t count = ztest_random(20) + 1; 3989b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3990b24ab676SJeff Bonwick void *data; 3991fa9e4066Sahrens 3992b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3993fa9e4066Sahrens 3994b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3995e05725b1Sbonwick return; 39960e34b6a7Sbonwick 3997b24ab676SJeff Bonwick if (ztest_truncate(zd, od[0].od_object, offset, count * blocksize) != 0) 3998f4a72450SJeff Bonwick return; 3999f4a72450SJeff Bonwick 4000b24ab676SJeff Bonwick ztest_prealloc(zd, od[0].od_object, offset, count * blocksize); 4001fa9e4066Sahrens 4002b24ab676SJeff Bonwick data = umem_zalloc(blocksize, UMEM_NOFAIL); 4003b24ab676SJeff Bonwick 4004b24ab676SJeff Bonwick while (ztest_random(count) != 0) { 4005b24ab676SJeff Bonwick uint64_t randoff = offset + (ztest_random(count) * blocksize); 4006b24ab676SJeff Bonwick if (ztest_write(zd, od[0].od_object, randoff, blocksize, 4007b24ab676SJeff Bonwick data) != 0) 4008b24ab676SJeff Bonwick break; 4009b24ab676SJeff Bonwick while (ztest_random(4) != 0) 4010b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, randoff); 4011b24ab676SJeff Bonwick } 4012b24ab676SJeff Bonwick 4013b24ab676SJeff Bonwick umem_free(data, blocksize); 4014fa9e4066Sahrens } 4015fa9e4066Sahrens 4016fa9e4066Sahrens /* 4017fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 4018fa9e4066Sahrens */ 4019fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 4020fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 4021fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 4022fa9e4066Sahrens 4023fa9e4066Sahrens void 4024b24ab676SJeff Bonwick ztest_zap(ztest_ds_t *zd, uint64_t id) 4025fa9e4066Sahrens { 4026b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4027b24ab676SJeff Bonwick ztest_od_t od[1]; 4028fa9e4066Sahrens uint64_t object; 4029fa9e4066Sahrens uint64_t txg, last_txg; 4030fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 4031fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 4032fa9e4066Sahrens int i, ints; 4033fa9e4066Sahrens dmu_tx_t *tx; 4034fa9e4066Sahrens char propname[100], txgname[100]; 4035fa9e4066Sahrens int error; 4036fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 4037fa9e4066Sahrens 4038b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 4039fa9e4066Sahrens 4040b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4041b24ab676SJeff Bonwick return; 4042fa9e4066Sahrens 4043b24ab676SJeff Bonwick object = od[0].od_object; 4044fa9e4066Sahrens 4045b24ab676SJeff Bonwick /* 4046b24ab676SJeff Bonwick * Generate a known hash collision, and verify that 4047b24ab676SJeff Bonwick * we can lookup and remove both entries. 4048b24ab676SJeff Bonwick */ 4049b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4050b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4051b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4052b24ab676SJeff Bonwick if (txg == 0) 4053b24ab676SJeff Bonwick return; 4054b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 4055b24ab676SJeff Bonwick value[i] = i; 4056b420f3adSRichard Lowe VERIFY3U(0, ==, zap_add(os, object, hc[i], sizeof (uint64_t), 4057b24ab676SJeff Bonwick 1, &value[i], tx)); 4058b24ab676SJeff Bonwick } 4059b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 4060b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, zap_add(os, object, hc[i], 4061b24ab676SJeff Bonwick sizeof (uint64_t), 1, &value[i], tx)); 4062b420f3adSRichard Lowe VERIFY3U(0, ==, 4063b420f3adSRichard Lowe zap_length(os, object, hc[i], &zl_intsize, &zl_ints)); 4064b24ab676SJeff Bonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 4065b24ab676SJeff Bonwick ASSERT3U(zl_ints, ==, 1); 4066fa9e4066Sahrens } 4067b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 4068b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, hc[i], tx)); 4069b24ab676SJeff Bonwick } 4070b24ab676SJeff Bonwick dmu_tx_commit(tx); 4071fa9e4066Sahrens 4072b24ab676SJeff Bonwick /* 4073b24ab676SJeff Bonwick * Generate a buch of random entries. 4074b24ab676SJeff Bonwick */ 4075fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 4076fa9e4066Sahrens 4077e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 4078e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 4079e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 4080e05725b1Sbonwick bzero(value, sizeof (value)); 4081e05725b1Sbonwick last_txg = 0; 4082fa9e4066Sahrens 4083e05725b1Sbonwick /* 4084e05725b1Sbonwick * If these zap entries already exist, validate their contents. 4085e05725b1Sbonwick */ 4086e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 4087e05725b1Sbonwick if (error == 0) { 4088e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 4089e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 4090fa9e4066Sahrens 4091e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 4092e05725b1Sbonwick zl_ints, &last_txg) == 0); 4093fa9e4066Sahrens 4094e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 4095e05725b1Sbonwick &zl_ints) == 0); 4096fa9e4066Sahrens 4097e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 4098e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 4099fa9e4066Sahrens 4100e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 4101e05725b1Sbonwick zl_ints, value) == 0); 4102fa9e4066Sahrens 4103e05725b1Sbonwick for (i = 0; i < ints; i++) { 4104e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 4105fa9e4066Sahrens } 4106e05725b1Sbonwick } else { 4107e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4108e05725b1Sbonwick } 4109fa9e4066Sahrens 4110e05725b1Sbonwick /* 4111e05725b1Sbonwick * Atomically update two entries in our zap object. 4112e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 4113e05725b1Sbonwick * in which the property was last updated. The second 4114e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 4115e05725b1Sbonwick * should be txg + object + n. 4116e05725b1Sbonwick */ 4117e05725b1Sbonwick tx = dmu_tx_create(os); 4118b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4119b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4120b24ab676SJeff Bonwick if (txg == 0) 4121e05725b1Sbonwick return; 4122fa9e4066Sahrens 4123e05725b1Sbonwick if (last_txg > txg) 4124e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 4125fa9e4066Sahrens 4126e05725b1Sbonwick for (i = 0; i < ints; i++) 4127e05725b1Sbonwick value[i] = txg + object + i; 4128fa9e4066Sahrens 4129b420f3adSRichard Lowe VERIFY3U(0, ==, zap_update(os, object, txgname, sizeof (uint64_t), 4130b24ab676SJeff Bonwick 1, &txg, tx)); 4131b420f3adSRichard Lowe VERIFY3U(0, ==, zap_update(os, object, propname, sizeof (uint64_t), 4132b24ab676SJeff Bonwick ints, value, tx)); 4133fa9e4066Sahrens 4134e05725b1Sbonwick dmu_tx_commit(tx); 4135fa9e4066Sahrens 4136e05725b1Sbonwick /* 4137e05725b1Sbonwick * Remove a random pair of entries. 4138e05725b1Sbonwick */ 4139e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 4140e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 4141e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 4142fa9e4066Sahrens 4143e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 4144fa9e4066Sahrens 4145e05725b1Sbonwick if (error == ENOENT) 4146e05725b1Sbonwick return; 4147fa9e4066Sahrens 4148fb09f5aaSMadhav Suresh ASSERT0(error); 4149fa9e4066Sahrens 4150e05725b1Sbonwick tx = dmu_tx_create(os); 4151b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4152b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4153b24ab676SJeff Bonwick if (txg == 0) 415412a2833aSSanjeev Bagewadi return; 4155b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, txgname, tx)); 4156b420f3adSRichard Lowe VERIFY3U(0, ==, zap_remove(os, object, propname, tx)); 415712a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 415812a2833aSSanjeev Bagewadi } 415912a2833aSSanjeev Bagewadi 416012a2833aSSanjeev Bagewadi /* 416112a2833aSSanjeev Bagewadi * Testcase to test the upgrading of a microzap to fatzap. 416212a2833aSSanjeev Bagewadi */ 416312a2833aSSanjeev Bagewadi void 4164b24ab676SJeff Bonwick ztest_fzap(ztest_ds_t *zd, uint64_t id) 416512a2833aSSanjeev Bagewadi { 4166b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4167b24ab676SJeff Bonwick ztest_od_t od[1]; 4168b24ab676SJeff Bonwick uint64_t object, txg; 416912a2833aSSanjeev Bagewadi 4170b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 417112a2833aSSanjeev Bagewadi 4172b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4173b24ab676SJeff Bonwick return; 417412a2833aSSanjeev Bagewadi 4175b24ab676SJeff Bonwick object = od[0].od_object; 417612a2833aSSanjeev Bagewadi 417712a2833aSSanjeev Bagewadi /* 4178b24ab676SJeff Bonwick * Add entries to this ZAP and make sure it spills over 417912a2833aSSanjeev Bagewadi * and gets upgraded to a fatzap. Also, since we are adding 4180b24ab676SJeff Bonwick * 2050 entries we should see ptrtbl growth and leaf-block split. 418112a2833aSSanjeev Bagewadi */ 4182b24ab676SJeff Bonwick for (int i = 0; i < 2050; i++) { 4183b24ab676SJeff Bonwick char name[MAXNAMELEN]; 4184b24ab676SJeff Bonwick uint64_t value = i; 4185b24ab676SJeff Bonwick dmu_tx_t *tx; 4186b24ab676SJeff Bonwick int error; 418712a2833aSSanjeev Bagewadi 4188b24ab676SJeff Bonwick (void) snprintf(name, sizeof (name), "fzap-%llu-%llu", 4189b24ab676SJeff Bonwick id, value); 419012a2833aSSanjeev Bagewadi 4191b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4192b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, name); 4193b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4194b24ab676SJeff Bonwick if (txg == 0) 419512a2833aSSanjeev Bagewadi return; 4196b24ab676SJeff Bonwick error = zap_add(os, object, name, sizeof (uint64_t), 1, 4197b24ab676SJeff Bonwick &value, tx); 419812a2833aSSanjeev Bagewadi ASSERT(error == 0 || error == EEXIST); 419912a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 420012a2833aSSanjeev Bagewadi } 4201fa9e4066Sahrens } 4202fa9e4066Sahrens 4203b24ab676SJeff Bonwick /* ARGSUSED */ 4204fa9e4066Sahrens void 4205b24ab676SJeff Bonwick ztest_zap_parallel(ztest_ds_t *zd, uint64_t id) 4206fa9e4066Sahrens { 4207b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4208b24ab676SJeff Bonwick ztest_od_t od[1]; 4209fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 4210fa9e4066Sahrens dmu_tx_t *tx; 4211fa9e4066Sahrens int i, namelen, error; 4212b24ab676SJeff Bonwick int micro = ztest_random(2); 4213fa9e4066Sahrens char name[20], string_value[20]; 4214fa9e4066Sahrens void *data; 4215fa9e4066Sahrens 4216b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, micro, DMU_OT_ZAP_OTHER, 0, 0); 4217b24ab676SJeff Bonwick 4218b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4219b24ab676SJeff Bonwick return; 4220b24ab676SJeff Bonwick 4221b24ab676SJeff Bonwick object = od[0].od_object; 4222b24ab676SJeff Bonwick 4223e05725b1Sbonwick /* 4224e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 4225e05725b1Sbonwick * x is a random printable character and the dots are dots. 4226e05725b1Sbonwick * There are 94 such characters, and the name length goes from 4227e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 4228e05725b1Sbonwick */ 4229e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 4230fa9e4066Sahrens 4231e05725b1Sbonwick for (i = 0; i < 3; i++) 4232e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 4233e05725b1Sbonwick for (; i < namelen - 1; i++) 4234e05725b1Sbonwick name[i] = '.'; 4235e05725b1Sbonwick name[i] = '\0'; 4236fa9e4066Sahrens 4237b24ab676SJeff Bonwick if ((namelen & 1) || micro) { 4238e05725b1Sbonwick wsize = sizeof (txg); 4239e05725b1Sbonwick wc = 1; 4240e05725b1Sbonwick data = &txg; 4241e05725b1Sbonwick } else { 4242e05725b1Sbonwick wsize = 1; 4243e05725b1Sbonwick wc = namelen; 4244e05725b1Sbonwick data = string_value; 4245e05725b1Sbonwick } 4246fa9e4066Sahrens 4247e05725b1Sbonwick count = -1ULL; 4248e05725b1Sbonwick VERIFY(zap_count(os, object, &count) == 0); 4249e05725b1Sbonwick ASSERT(count != -1ULL); 4250fa9e4066Sahrens 4251e05725b1Sbonwick /* 4252e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 4253e05725b1Sbonwick */ 4254e05725b1Sbonwick i = ztest_random(5); 4255e05725b1Sbonwick 4256e05725b1Sbonwick if (i >= 2) { 4257e05725b1Sbonwick tx = dmu_tx_create(os); 4258b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4259b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4260b24ab676SJeff Bonwick if (txg == 0) 4261e05725b1Sbonwick return; 4262e05725b1Sbonwick bcopy(name, string_value, namelen); 4263e05725b1Sbonwick } else { 4264e05725b1Sbonwick tx = NULL; 4265e05725b1Sbonwick txg = 0; 4266e05725b1Sbonwick bzero(string_value, namelen); 4267e05725b1Sbonwick } 4268fa9e4066Sahrens 4269e05725b1Sbonwick switch (i) { 4270fa9e4066Sahrens 4271e05725b1Sbonwick case 0: 4272e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 4273e05725b1Sbonwick if (error == 0) { 4274e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 4275e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 4276e05725b1Sbonwick } else { 4277e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4278e05725b1Sbonwick } 4279e05725b1Sbonwick break; 4280fa9e4066Sahrens 4281e05725b1Sbonwick case 1: 4282e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 4283e05725b1Sbonwick if (error == 0) { 4284e05725b1Sbonwick if (data == string_value && 4285e05725b1Sbonwick bcmp(name, data, namelen) != 0) 4286e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 4287e05725b1Sbonwick name, data, namelen); 4288e05725b1Sbonwick } else { 4289e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4290e05725b1Sbonwick } 4291e05725b1Sbonwick break; 4292fa9e4066Sahrens 4293e05725b1Sbonwick case 2: 4294e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 4295e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 4296e05725b1Sbonwick break; 4297fa9e4066Sahrens 4298e05725b1Sbonwick case 3: 4299e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 4300e05725b1Sbonwick break; 4301fa9e4066Sahrens 4302e05725b1Sbonwick case 4: 4303e05725b1Sbonwick error = zap_remove(os, object, name, tx); 4304e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 4305e05725b1Sbonwick break; 4306fa9e4066Sahrens } 4307e05725b1Sbonwick 4308e05725b1Sbonwick if (tx != NULL) 4309e05725b1Sbonwick dmu_tx_commit(tx); 4310fa9e4066Sahrens } 4311fa9e4066Sahrens 4312d20e665cSRicardo M. Correia /* 4313d20e665cSRicardo M. Correia * Commit callback data. 4314d20e665cSRicardo M. Correia */ 4315d20e665cSRicardo M. Correia typedef struct ztest_cb_data { 4316d20e665cSRicardo M. Correia list_node_t zcd_node; 4317d20e665cSRicardo M. Correia uint64_t zcd_txg; 4318d20e665cSRicardo M. Correia int zcd_expected_err; 4319d20e665cSRicardo M. Correia boolean_t zcd_added; 4320d20e665cSRicardo M. Correia boolean_t zcd_called; 4321d20e665cSRicardo M. Correia spa_t *zcd_spa; 4322d20e665cSRicardo M. Correia } ztest_cb_data_t; 4323d20e665cSRicardo M. Correia 4324d20e665cSRicardo M. Correia /* This is the actual commit callback function */ 4325d20e665cSRicardo M. Correia static void 4326d20e665cSRicardo M. Correia ztest_commit_callback(void *arg, int error) 4327d20e665cSRicardo M. Correia { 4328d20e665cSRicardo M. Correia ztest_cb_data_t *data = arg; 4329d20e665cSRicardo M. Correia uint64_t synced_txg; 4330d20e665cSRicardo M. Correia 4331d20e665cSRicardo M. Correia VERIFY(data != NULL); 4332d20e665cSRicardo M. Correia VERIFY3S(data->zcd_expected_err, ==, error); 4333d20e665cSRicardo M. Correia VERIFY(!data->zcd_called); 4334d20e665cSRicardo M. Correia 4335d20e665cSRicardo M. Correia synced_txg = spa_last_synced_txg(data->zcd_spa); 4336d20e665cSRicardo M. Correia if (data->zcd_txg > synced_txg) 4337d20e665cSRicardo M. Correia fatal(0, "commit callback of txg %" PRIu64 " called prematurely" 4338d20e665cSRicardo M. Correia ", last synced txg = %" PRIu64 "\n", data->zcd_txg, 4339d20e665cSRicardo M. Correia synced_txg); 4340d20e665cSRicardo M. Correia 4341d20e665cSRicardo M. Correia data->zcd_called = B_TRUE; 4342d20e665cSRicardo M. Correia 4343d20e665cSRicardo M. Correia if (error == ECANCELED) { 4344fb09f5aaSMadhav Suresh ASSERT0(data->zcd_txg); 4345d20e665cSRicardo M. Correia ASSERT(!data->zcd_added); 4346d20e665cSRicardo M. Correia 4347d20e665cSRicardo M. Correia /* 4348d20e665cSRicardo M. Correia * The private callback data should be destroyed here, but 4349d20e665cSRicardo M. Correia * since we are going to check the zcd_called field after 4350d20e665cSRicardo M. Correia * dmu_tx_abort(), we will destroy it there. 4351d20e665cSRicardo M. Correia */ 4352d20e665cSRicardo M. Correia return; 4353d20e665cSRicardo M. Correia } 4354d20e665cSRicardo M. Correia 4355d20e665cSRicardo M. Correia /* Was this callback added to the global callback list? */ 4356d20e665cSRicardo M. Correia if (!data->zcd_added) 4357d20e665cSRicardo M. Correia goto out; 4358d20e665cSRicardo M. Correia 4359d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, !=, 0); 4360d20e665cSRicardo M. Correia 4361d20e665cSRicardo M. Correia /* Remove our callback from the list */ 4362d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4363d20e665cSRicardo M. Correia list_remove(&zcl.zcl_callbacks, data); 4364d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4365d20e665cSRicardo M. Correia 4366d20e665cSRicardo M. Correia out: 4367d20e665cSRicardo M. Correia umem_free(data, sizeof (ztest_cb_data_t)); 4368d20e665cSRicardo M. Correia } 4369d20e665cSRicardo M. Correia 4370d20e665cSRicardo M. Correia /* Allocate and initialize callback data structure */ 4371d20e665cSRicardo M. Correia static ztest_cb_data_t * 4372d20e665cSRicardo M. Correia ztest_create_cb_data(objset_t *os, uint64_t txg) 4373d20e665cSRicardo M. Correia { 4374d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data; 4375d20e665cSRicardo M. Correia 4376d20e665cSRicardo M. Correia cb_data = umem_zalloc(sizeof (ztest_cb_data_t), UMEM_NOFAIL); 4377d20e665cSRicardo M. Correia 4378d20e665cSRicardo M. Correia cb_data->zcd_txg = txg; 4379d20e665cSRicardo M. Correia cb_data->zcd_spa = dmu_objset_spa(os); 4380d20e665cSRicardo M. Correia 4381d20e665cSRicardo M. Correia return (cb_data); 4382d20e665cSRicardo M. Correia } 4383d20e665cSRicardo M. Correia 4384d20e665cSRicardo M. Correia /* 4385d20e665cSRicardo M. Correia * If a number of txgs equal to this threshold have been created after a commit 4386d20e665cSRicardo M. Correia * callback has been registered but not called, then we assume there is an 4387d20e665cSRicardo M. Correia * implementation bug. 4388d20e665cSRicardo M. Correia */ 4389d20e665cSRicardo M. Correia #define ZTEST_COMMIT_CALLBACK_THRESH (TXG_CONCURRENT_STATES + 2) 4390d20e665cSRicardo M. Correia 4391d20e665cSRicardo M. Correia /* 4392d20e665cSRicardo M. Correia * Commit callback test. 4393d20e665cSRicardo M. Correia */ 4394d20e665cSRicardo M. Correia void 4395b24ab676SJeff Bonwick ztest_dmu_commit_callbacks(ztest_ds_t *zd, uint64_t id) 4396d20e665cSRicardo M. Correia { 4397b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4398b24ab676SJeff Bonwick ztest_od_t od[1]; 4399d20e665cSRicardo M. Correia dmu_tx_t *tx; 4400d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data[3], *tmp_cb; 4401d20e665cSRicardo M. Correia uint64_t old_txg, txg; 4402d20e665cSRicardo M. Correia int i, error; 4403d20e665cSRicardo M. Correia 4404b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 4405b24ab676SJeff Bonwick 4406b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4407b24ab676SJeff Bonwick return; 4408b24ab676SJeff Bonwick 4409d20e665cSRicardo M. Correia tx = dmu_tx_create(os); 4410d20e665cSRicardo M. Correia 4411d20e665cSRicardo M. Correia cb_data[0] = ztest_create_cb_data(os, 0); 4412d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[0]); 4413d20e665cSRicardo M. Correia 4414b24ab676SJeff Bonwick dmu_tx_hold_write(tx, od[0].od_object, 0, sizeof (uint64_t)); 4415d20e665cSRicardo M. Correia 4416d20e665cSRicardo M. Correia /* Every once in a while, abort the transaction on purpose */ 4417d20e665cSRicardo M. Correia if (ztest_random(100) == 0) 4418d20e665cSRicardo M. Correia error = -1; 4419d20e665cSRicardo M. Correia 4420d20e665cSRicardo M. Correia if (!error) 4421d20e665cSRicardo M. Correia error = dmu_tx_assign(tx, TXG_NOWAIT); 4422d20e665cSRicardo M. Correia 4423d20e665cSRicardo M. Correia txg = error ? 0 : dmu_tx_get_txg(tx); 4424d20e665cSRicardo M. Correia 4425d20e665cSRicardo M. Correia cb_data[0]->zcd_txg = txg; 4426d20e665cSRicardo M. Correia cb_data[1] = ztest_create_cb_data(os, txg); 4427d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[1]); 4428d20e665cSRicardo M. Correia 4429d20e665cSRicardo M. Correia if (error) { 4430d20e665cSRicardo M. Correia /* 4431d20e665cSRicardo M. Correia * It's not a strict requirement to call the registered 4432d20e665cSRicardo M. Correia * callbacks from inside dmu_tx_abort(), but that's what 4433d20e665cSRicardo M. Correia * it's supposed to happen in the current implementation 4434d20e665cSRicardo M. Correia * so we will check for that. 4435d20e665cSRicardo M. Correia */ 4436d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4437d20e665cSRicardo M. Correia cb_data[i]->zcd_expected_err = ECANCELED; 4438d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4439d20e665cSRicardo M. Correia } 4440d20e665cSRicardo M. Correia 4441d20e665cSRicardo M. Correia dmu_tx_abort(tx); 4442d20e665cSRicardo M. Correia 4443d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4444d20e665cSRicardo M. Correia VERIFY(cb_data[i]->zcd_called); 4445d20e665cSRicardo M. Correia umem_free(cb_data[i], sizeof (ztest_cb_data_t)); 4446d20e665cSRicardo M. Correia } 4447d20e665cSRicardo M. Correia 4448d20e665cSRicardo M. Correia return; 4449d20e665cSRicardo M. Correia } 4450d20e665cSRicardo M. Correia 4451d20e665cSRicardo M. Correia cb_data[2] = ztest_create_cb_data(os, txg); 4452d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[2]); 4453d20e665cSRicardo M. Correia 4454d20e665cSRicardo M. Correia /* 4455d20e665cSRicardo M. Correia * Read existing data to make sure there isn't a future leak. 4456d20e665cSRicardo M. Correia */ 4457b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, od[0].od_object, 0, sizeof (uint64_t), 4458d20e665cSRicardo M. Correia &old_txg, DMU_READ_PREFETCH)); 4459d20e665cSRicardo M. Correia 4460d20e665cSRicardo M. Correia if (old_txg > txg) 4461d20e665cSRicardo M. Correia fatal(0, "future leak: got %" PRIu64 ", open txg is %" PRIu64, 4462d20e665cSRicardo M. Correia old_txg, txg); 4463d20e665cSRicardo M. Correia 4464b24ab676SJeff Bonwick dmu_write(os, od[0].od_object, 0, sizeof (uint64_t), &txg, tx); 4465d20e665cSRicardo M. Correia 4466d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4467d20e665cSRicardo M. Correia 4468d20e665cSRicardo M. Correia /* 4469d20e665cSRicardo M. Correia * Since commit callbacks don't have any ordering requirement and since 4470d20e665cSRicardo M. Correia * it is theoretically possible for a commit callback to be called 4471d20e665cSRicardo M. Correia * after an arbitrary amount of time has elapsed since its txg has been 4472d20e665cSRicardo M. Correia * synced, it is difficult to reliably determine whether a commit 4473d20e665cSRicardo M. Correia * callback hasn't been called due to high load or due to a flawed 4474d20e665cSRicardo M. Correia * implementation. 4475d20e665cSRicardo M. Correia * 4476d20e665cSRicardo M. Correia * In practice, we will assume that if after a certain number of txgs a 4477d20e665cSRicardo M. Correia * commit callback hasn't been called, then most likely there's an 4478d20e665cSRicardo M. Correia * implementation bug.. 4479d20e665cSRicardo M. Correia */ 4480d20e665cSRicardo M. Correia tmp_cb = list_head(&zcl.zcl_callbacks); 4481d20e665cSRicardo M. Correia if (tmp_cb != NULL && 4482d20e665cSRicardo M. Correia tmp_cb->zcd_txg > txg - ZTEST_COMMIT_CALLBACK_THRESH) { 4483d20e665cSRicardo M. Correia fatal(0, "Commit callback threshold exceeded, oldest txg: %" 4484d20e665cSRicardo M. Correia PRIu64 ", open txg: %" PRIu64 "\n", tmp_cb->zcd_txg, txg); 4485d20e665cSRicardo M. Correia } 4486d20e665cSRicardo M. Correia 4487d20e665cSRicardo M. Correia /* 4488d20e665cSRicardo M. Correia * Let's find the place to insert our callbacks. 4489d20e665cSRicardo M. Correia * 4490d20e665cSRicardo M. Correia * Even though the list is ordered by txg, it is possible for the 4491d20e665cSRicardo M. Correia * insertion point to not be the end because our txg may already be 4492d20e665cSRicardo M. Correia * quiescing at this point and other callbacks in the open txg 4493d20e665cSRicardo M. Correia * (from other objsets) may have sneaked in. 4494d20e665cSRicardo M. Correia */ 4495d20e665cSRicardo M. Correia tmp_cb = list_tail(&zcl.zcl_callbacks); 4496d20e665cSRicardo M. Correia while (tmp_cb != NULL && tmp_cb->zcd_txg > txg) 4497d20e665cSRicardo M. Correia tmp_cb = list_prev(&zcl.zcl_callbacks, tmp_cb); 4498d20e665cSRicardo M. Correia 4499d20e665cSRicardo M. Correia /* Add the 3 callbacks to the list */ 4500d20e665cSRicardo M. Correia for (i = 0; i < 3; i++) { 4501d20e665cSRicardo M. Correia if (tmp_cb == NULL) 4502d20e665cSRicardo M. Correia list_insert_head(&zcl.zcl_callbacks, cb_data[i]); 4503d20e665cSRicardo M. Correia else 4504d20e665cSRicardo M. Correia list_insert_after(&zcl.zcl_callbacks, tmp_cb, 4505d20e665cSRicardo M. Correia cb_data[i]); 4506d20e665cSRicardo M. Correia 4507d20e665cSRicardo M. Correia cb_data[i]->zcd_added = B_TRUE; 4508d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4509d20e665cSRicardo M. Correia 4510d20e665cSRicardo M. Correia tmp_cb = cb_data[i]; 4511d20e665cSRicardo M. Correia } 4512d20e665cSRicardo M. Correia 4513d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4514d20e665cSRicardo M. Correia 4515d20e665cSRicardo M. Correia dmu_tx_commit(tx); 4516d20e665cSRicardo M. Correia } 4517d20e665cSRicardo M. Correia 4518b24ab676SJeff Bonwick /* ARGSUSED */ 4519fa9e4066Sahrens void 4520b24ab676SJeff Bonwick ztest_dsl_prop_get_set(ztest_ds_t *zd, uint64_t id) 4521fa9e4066Sahrens { 4522b24ab676SJeff Bonwick zfs_prop_t proplist[] = { 4523b24ab676SJeff Bonwick ZFS_PROP_CHECKSUM, 4524b24ab676SJeff Bonwick ZFS_PROP_COMPRESSION, 4525b24ab676SJeff Bonwick ZFS_PROP_COPIES, 4526b24ab676SJeff Bonwick ZFS_PROP_DEDUP 4527b24ab676SJeff Bonwick }; 4528fa9e4066Sahrens 4529420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 4530fa9e4066Sahrens 4531b24ab676SJeff Bonwick for (int p = 0; p < sizeof (proplist) / sizeof (proplist[0]); p++) 4532b24ab676SJeff Bonwick (void) ztest_dsl_prop_set_uint64(zd->zd_name, proplist[p], 4533b24ab676SJeff Bonwick ztest_random_dsl_prop(proplist[p]), (int)ztest_random(2)); 4534fa9e4066Sahrens 4535420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4536b24ab676SJeff Bonwick } 4537fa9e4066Sahrens 4538b24ab676SJeff Bonwick /* ARGSUSED */ 4539b24ab676SJeff Bonwick void 4540b24ab676SJeff Bonwick ztest_spa_prop_get_set(ztest_ds_t *zd, uint64_t id) 4541b24ab676SJeff Bonwick { 4542b24ab676SJeff Bonwick nvlist_t *props = NULL; 4543ea8dc4b6Seschrock 4544420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 4545ea8dc4b6Seschrock 4546420dfc95SChris Siden (void) ztest_spa_prop_set_uint64(ZPOOL_PROP_DEDUPDITTO, 4547b24ab676SJeff Bonwick ZIO_DEDUPDITTO_MIN + ztest_random(ZIO_DEDUPDITTO_MIN)); 4548fa9e4066Sahrens 4549fb09f5aaSMadhav Suresh VERIFY0(spa_prop_get(ztest_spa, &props)); 4550fa9e4066Sahrens 4551420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 4552b24ab676SJeff Bonwick dump_nvlist(props, 4); 4553fa9e4066Sahrens 4554b24ab676SJeff Bonwick nvlist_free(props); 4555fa9e4066Sahrens 4556420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4557fa9e4066Sahrens } 4558fa9e4066Sahrens 45595c987a37SChris Kirby /* 45605c987a37SChris Kirby * Test snapshot hold/release and deferred destroy. 45615c987a37SChris Kirby */ 45625c987a37SChris Kirby void 4563b24ab676SJeff Bonwick ztest_dmu_snapshot_hold(ztest_ds_t *zd, uint64_t id) 45645c987a37SChris Kirby { 45655c987a37SChris Kirby int error; 4566b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 45675c987a37SChris Kirby objset_t *origin; 45685c987a37SChris Kirby char snapname[100]; 45695c987a37SChris Kirby char fullname[100]; 45705c987a37SChris Kirby char clonename[100]; 45715c987a37SChris Kirby char tag[100]; 45725c987a37SChris Kirby char osname[MAXNAMELEN]; 45735c987a37SChris Kirby 4574420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 45755c987a37SChris Kirby 45765c987a37SChris Kirby dmu_objset_name(os, osname); 45775c987a37SChris Kirby 4578b24ab676SJeff Bonwick (void) snprintf(snapname, 100, "sh1_%llu", id); 45795c987a37SChris Kirby (void) snprintf(fullname, 100, "%s@%s", osname, snapname); 4580b24ab676SJeff Bonwick (void) snprintf(clonename, 100, "%s/ch1_%llu", osname, id); 4581b24ab676SJeff Bonwick (void) snprintf(tag, 100, "%tag_%llu", id); 45825c987a37SChris Kirby 45835c987a37SChris Kirby /* 45845c987a37SChris Kirby * Clean up from any previous run. 45855c987a37SChris Kirby */ 45865c987a37SChris Kirby (void) dmu_objset_destroy(clonename, B_FALSE); 45875c987a37SChris Kirby (void) dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 45885c987a37SChris Kirby (void) dmu_objset_destroy(fullname, B_FALSE); 45895c987a37SChris Kirby 45905c987a37SChris Kirby /* 45915c987a37SChris Kirby * Create snapshot, clone it, mark snap for deferred destroy, 45925c987a37SChris Kirby * destroy clone, verify snap was also destroyed. 45935c987a37SChris Kirby */ 45944445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, snapname); 45955c987a37SChris Kirby if (error) { 45965c987a37SChris Kirby if (error == ENOSPC) { 45975c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 45985c987a37SChris Kirby goto out; 45995c987a37SChris Kirby } 46005c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 46015c987a37SChris Kirby } 46025c987a37SChris Kirby 46035c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 46045c987a37SChris Kirby if (error) 46055c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 46065c987a37SChris Kirby 46075c987a37SChris Kirby error = dmu_objset_clone(clonename, dmu_objset_ds(origin), 0); 46085c987a37SChris Kirby dmu_objset_rele(origin, FTAG); 46095c987a37SChris Kirby if (error) { 46105c987a37SChris Kirby if (error == ENOSPC) { 46115c987a37SChris Kirby ztest_record_enospc("dmu_objset_clone"); 46125c987a37SChris Kirby goto out; 46135c987a37SChris Kirby } 46145c987a37SChris Kirby fatal(0, "dmu_objset_clone(%s) = %d", clonename, error); 46155c987a37SChris Kirby } 46165c987a37SChris Kirby 46175c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 46185c987a37SChris Kirby if (error) { 46195c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 46205c987a37SChris Kirby fullname, error); 46215c987a37SChris Kirby } 46225c987a37SChris Kirby 46235c987a37SChris Kirby error = dmu_objset_destroy(clonename, B_FALSE); 46245c987a37SChris Kirby if (error) 46255c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s) = %d", clonename, error); 46265c987a37SChris Kirby 46275c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 46285c987a37SChris Kirby if (error != ENOENT) 46295c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 46305c987a37SChris Kirby 46315c987a37SChris Kirby /* 46325c987a37SChris Kirby * Create snapshot, add temporary hold, verify that we can't 46335c987a37SChris Kirby * destroy a held snapshot, mark for deferred destroy, 46345c987a37SChris Kirby * release hold, verify snapshot was destroyed. 46355c987a37SChris Kirby */ 46364445fffbSMatthew Ahrens error = dmu_objset_snapshot_one(osname, snapname); 46375c987a37SChris Kirby if (error) { 46385c987a37SChris Kirby if (error == ENOSPC) { 46395c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 46405c987a37SChris Kirby goto out; 46415c987a37SChris Kirby } 46425c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 46435c987a37SChris Kirby } 46445c987a37SChris Kirby 4645c99e4bdcSChris Kirby error = dsl_dataset_user_hold(osname, snapname, tag, B_FALSE, 4646c99e4bdcSChris Kirby B_TRUE, -1); 46475c987a37SChris Kirby if (error) 46485c987a37SChris Kirby fatal(0, "dsl_dataset_user_hold(%s)", fullname, tag); 46495c987a37SChris Kirby 46505c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_FALSE); 46515c987a37SChris Kirby if (error != EBUSY) { 46525c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_FALSE) = %d", 46535c987a37SChris Kirby fullname, error); 46545c987a37SChris Kirby } 46555c987a37SChris Kirby 46565c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 46575c987a37SChris Kirby if (error) { 46585c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 46595c987a37SChris Kirby fullname, error); 46605c987a37SChris Kirby } 46615c987a37SChris Kirby 46625c987a37SChris Kirby error = dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 46635c987a37SChris Kirby if (error) 46645c987a37SChris Kirby fatal(0, "dsl_dataset_user_release(%s)", fullname, tag); 46655c987a37SChris Kirby 46665c987a37SChris Kirby VERIFY(dmu_objset_hold(fullname, FTAG, &origin) == ENOENT); 46675c987a37SChris Kirby 46685c987a37SChris Kirby out: 4669420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 46705c987a37SChris Kirby } 46715c987a37SChris Kirby 4672fa9e4066Sahrens /* 4673fa9e4066Sahrens * Inject random faults into the on-disk data. 4674fa9e4066Sahrens */ 4675b24ab676SJeff Bonwick /* ARGSUSED */ 4676fa9e4066Sahrens void 4677b24ab676SJeff Bonwick ztest_fault_inject(ztest_ds_t *zd, uint64_t id) 4678fa9e4066Sahrens { 4679b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4680420dfc95SChris Siden spa_t *spa = ztest_spa; 4681fa9e4066Sahrens int fd; 4682fa9e4066Sahrens uint64_t offset; 46831195e687SMark J Musante uint64_t leaves; 4684fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 4685fa9e4066Sahrens uint64_t top, leaf; 4686fa9e4066Sahrens char path0[MAXPATHLEN]; 4687fa9e4066Sahrens char pathrand[MAXPATHLEN]; 4688fa9e4066Sahrens size_t fsize; 4689fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 4690fa9e4066Sahrens int iters = 1000; 46911195e687SMark J Musante int maxfaults; 46921195e687SMark J Musante int mirror_save; 4693e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 4694ea8dc4b6Seschrock uint64_t guid0 = 0; 46958f18d1faSGeorge Wilson boolean_t islog = B_FALSE; 4696ea8dc4b6Seschrock 4697420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 46981195e687SMark J Musante maxfaults = MAXFAULTS(); 4699420dfc95SChris Siden leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz; 47001195e687SMark J Musante mirror_save = zs->zs_mirrors; 4701420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 47021195e687SMark J Musante 4703e14bb325SJeff Bonwick ASSERT(leaves >= 1); 4704fa9e4066Sahrens 4705fa9e4066Sahrens /* 4706e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 4707fa9e4066Sahrens */ 4708e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 4709fa9e4066Sahrens 4710e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 4711e14bb325SJeff Bonwick /* 4712b24ab676SJeff Bonwick * Inject errors on a normal data device or slog device. 4713e14bb325SJeff Bonwick */ 4714b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 47151195e687SMark J Musante leaf = ztest_random(leaves) + zs->zs_splits; 4716fa9e4066Sahrens 4717e14bb325SJeff Bonwick /* 4718e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 4719e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 4720e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 4721e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 4722e14bb325SJeff Bonwick */ 4723e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 4724420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 4725420dfc95SChris Siden top * leaves + zs->zs_splits); 4726e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 4727420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 4728420dfc95SChris Siden top * leaves + leaf); 4729fa9e4066Sahrens 4730e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 47318f18d1faSGeorge Wilson if (vd0 != NULL && vd0->vdev_top->vdev_islog) 47328f18d1faSGeorge Wilson islog = B_TRUE; 47338f18d1faSGeorge Wilson 4734e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 4735e14bb325SJeff Bonwick /* 4736e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 4737e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 4738e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 4739e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 4740e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 4741e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 4742e14bb325SJeff Bonwick * combination of this with injection of random data 4743e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 4744e14bb325SJeff Bonwick */ 4745e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 4746e14bb325SJeff Bonwick 4747e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 4748e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 4749e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 4750e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 4751e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 4752e14bb325SJeff Bonwick } else { 4753e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 4754e14bb325SJeff Bonwick } 4755e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 4756e14bb325SJeff Bonwick } 4757e14bb325SJeff Bonwick } else { 4758e14bb325SJeff Bonwick /* 4759e14bb325SJeff Bonwick * Inject errors on an l2cache device. 4760e14bb325SJeff Bonwick */ 4761e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 4762fa9e4066Sahrens 4763e14bb325SJeff Bonwick if (sav->sav_count == 0) { 4764e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4765e14bb325SJeff Bonwick return; 4766e14bb325SJeff Bonwick } 4767e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 4768ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 4769e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 4770e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 4771e14bb325SJeff Bonwick 4772e14bb325SJeff Bonwick leaf = 0; 4773e14bb325SJeff Bonwick leaves = 1; 4774e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 4775fa9e4066Sahrens } 4776fa9e4066Sahrens 4777e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4778e14bb325SJeff Bonwick 4779fa9e4066Sahrens /* 47808f18d1faSGeorge Wilson * If we can tolerate two or more faults, or we're dealing 47818f18d1faSGeorge Wilson * with a slog, randomly online/offline vd0. 4782fa9e4066Sahrens */ 47838f18d1faSGeorge Wilson if ((maxfaults >= 2 || islog) && guid0 != 0) { 47848ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 47858ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 47868ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 47878f18d1faSGeorge Wilson 47888f18d1faSGeorge Wilson /* 47898f18d1faSGeorge Wilson * We have to grab the zs_name_lock as writer to 47908f18d1faSGeorge Wilson * prevent a race between offlining a slog and 47918f18d1faSGeorge Wilson * destroying a dataset. Offlining the slog will 47928f18d1faSGeorge Wilson * grab a reference on the dataset which may cause 47938f18d1faSGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 47948f18d1faSGeorge Wilson * leaving the dataset in an inconsistent state. 47958f18d1faSGeorge Wilson */ 47968f18d1faSGeorge Wilson if (islog) 4797420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 47988f18d1faSGeorge Wilson 47998ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 48008f18d1faSGeorge Wilson 48018f18d1faSGeorge Wilson if (islog) 4802420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 48038ad4d6ddSJeff Bonwick } else { 48049253d63dSGeorge Wilson /* 48059253d63dSGeorge Wilson * Ideally we would like to be able to randomly 48069253d63dSGeorge Wilson * call vdev_[on|off]line without holding locks 48079253d63dSGeorge Wilson * to force unpredictable failures but the side 48089253d63dSGeorge Wilson * effects of vdev_[on|off]line prevent us from 48099253d63dSGeorge Wilson * doing so. We grab the ztest_vdev_lock here to 48109253d63dSGeorge Wilson * prevent a race between injection testing and 48119253d63dSGeorge Wilson * aux_vdev removal. 48129253d63dSGeorge Wilson */ 48139253d63dSGeorge Wilson VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 48148ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 48159253d63dSGeorge Wilson VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 48168ad4d6ddSJeff Bonwick } 4817fa9e4066Sahrens } 4818fa9e4066Sahrens 48198f18d1faSGeorge Wilson if (maxfaults == 0) 48208f18d1faSGeorge Wilson return; 48218f18d1faSGeorge Wilson 4822fa9e4066Sahrens /* 4823ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 4824fa9e4066Sahrens */ 4825fa9e4066Sahrens fd = open(pathrand, O_RDWR); 4826fa9e4066Sahrens 4827fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 4828fa9e4066Sahrens return; 4829fa9e4066Sahrens 4830fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 4831fa9e4066Sahrens 4832fa9e4066Sahrens while (--iters != 0) { 4833fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 4834fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 4835fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 4836fa9e4066Sahrens 4837fa9e4066Sahrens if (offset >= fsize) 4838fa9e4066Sahrens continue; 4839fa9e4066Sahrens 4840420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 48411195e687SMark J Musante if (mirror_save != zs->zs_mirrors) { 4842420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 48431195e687SMark J Musante (void) close(fd); 48441195e687SMark J Musante return; 48451195e687SMark J Musante } 4846fa9e4066Sahrens 4847fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 4848fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 4849fa9e4066Sahrens offset, pathrand); 48501195e687SMark J Musante 4851420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 48521195e687SMark J Musante 4853420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) 48541195e687SMark J Musante (void) printf("injected bad word into %s," 48551195e687SMark J Musante " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 4856fa9e4066Sahrens } 4857fa9e4066Sahrens 4858fa9e4066Sahrens (void) close(fd); 4859fa9e4066Sahrens } 4860fa9e4066Sahrens 4861fa9e4066Sahrens /* 4862b24ab676SJeff Bonwick * Verify that DDT repair works as expected. 4863fa9e4066Sahrens */ 4864fa9e4066Sahrens void 4865b24ab676SJeff Bonwick ztest_ddt_repair(ztest_ds_t *zd, uint64_t id) 4866fa9e4066Sahrens { 4867b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4868420dfc95SChris Siden spa_t *spa = ztest_spa; 4869b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4870b24ab676SJeff Bonwick ztest_od_t od[1]; 4871b24ab676SJeff Bonwick uint64_t object, blocksize, txg, pattern, psize; 4872b24ab676SJeff Bonwick enum zio_checksum checksum = spa_dedup_checksum(spa); 4873b24ab676SJeff Bonwick dmu_buf_t *db; 4874b24ab676SJeff Bonwick dmu_tx_t *tx; 4875b24ab676SJeff Bonwick void *buf; 4876b24ab676SJeff Bonwick blkptr_t blk; 4877b24ab676SJeff Bonwick int copies = 2 * ZIO_DEDUPDITTO_MIN; 4878fa9e4066Sahrens 4879b24ab676SJeff Bonwick blocksize = ztest_random_blocksize(); 4880b24ab676SJeff Bonwick blocksize = MIN(blocksize, 2048); /* because we write so many */ 4881fa9e4066Sahrens 4882b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 4883fa9e4066Sahrens 4884b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4885b24ab676SJeff Bonwick return; 4886fa9e4066Sahrens 4887fa9e4066Sahrens /* 4888b24ab676SJeff Bonwick * Take the name lock as writer to prevent anyone else from changing 4889b24ab676SJeff Bonwick * the pool and dataset properies we need to maintain during this test. 4890fa9e4066Sahrens */ 4891420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 4892fa9e4066Sahrens 4893b24ab676SJeff Bonwick if (ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_DEDUP, checksum, 4894b24ab676SJeff Bonwick B_FALSE) != 0 || 4895b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_COPIES, 1, 4896b24ab676SJeff Bonwick B_FALSE) != 0) { 4897420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4898b24ab676SJeff Bonwick return; 4899b24ab676SJeff Bonwick } 4900b24ab676SJeff Bonwick 4901b24ab676SJeff Bonwick object = od[0].od_object; 4902b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 4903e9103aaeSGarrett D'Amore pattern = zs->zs_guid ^ dmu_objset_fsid_guid(os); 4904b24ab676SJeff Bonwick 4905b24ab676SJeff Bonwick ASSERT(object != 0); 4906b24ab676SJeff Bonwick 4907b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4908b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, 0, copies * blocksize); 4909b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 4910b24ab676SJeff Bonwick if (txg == 0) { 4911420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4912b24ab676SJeff Bonwick return; 4913b24ab676SJeff Bonwick } 4914fa9e4066Sahrens 4915fa9e4066Sahrens /* 4916b24ab676SJeff Bonwick * Write all the copies of our block. 4917fa9e4066Sahrens */ 4918b24ab676SJeff Bonwick for (int i = 0; i < copies; i++) { 4919b24ab676SJeff Bonwick uint64_t offset = i * blocksize; 492047cb52daSJeff Bonwick VERIFY(dmu_buf_hold(os, object, offset, FTAG, &db, 492147cb52daSJeff Bonwick DMU_READ_NO_PREFETCH) == 0); 4922b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 4923b24ab676SJeff Bonwick ASSERT(db->db_size == blocksize); 4924b24ab676SJeff Bonwick ASSERT(ztest_pattern_match(db->db_data, db->db_size, pattern) || 4925b24ab676SJeff Bonwick ztest_pattern_match(db->db_data, db->db_size, 0ULL)); 4926b24ab676SJeff Bonwick dmu_buf_will_fill(db, tx); 4927b24ab676SJeff Bonwick ztest_pattern_set(db->db_data, db->db_size, pattern); 4928b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4929b24ab676SJeff Bonwick } 4930fa9e4066Sahrens 4931b24ab676SJeff Bonwick dmu_tx_commit(tx); 4932b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), txg); 4933fa9e4066Sahrens 4934fa9e4066Sahrens /* 4935b24ab676SJeff Bonwick * Find out what block we got. 4936fa9e4066Sahrens */ 493747cb52daSJeff Bonwick VERIFY(dmu_buf_hold(os, object, 0, FTAG, &db, 493847cb52daSJeff Bonwick DMU_READ_NO_PREFETCH) == 0); 4939b24ab676SJeff Bonwick blk = *((dmu_buf_impl_t *)db)->db_blkptr; 4940b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4941fa9e4066Sahrens 4942fa9e4066Sahrens /* 4943b24ab676SJeff Bonwick * Damage the block. Dedup-ditto will save us when we read it later. 4944fa9e4066Sahrens */ 4945b24ab676SJeff Bonwick psize = BP_GET_PSIZE(&blk); 4946b24ab676SJeff Bonwick buf = zio_buf_alloc(psize); 4947b24ab676SJeff Bonwick ztest_pattern_set(buf, psize, ~pattern); 4948fa9e4066Sahrens 4949b24ab676SJeff Bonwick (void) zio_wait(zio_rewrite(NULL, spa, 0, &blk, 4950b24ab676SJeff Bonwick buf, psize, NULL, NULL, ZIO_PRIORITY_SYNC_WRITE, 4951b24ab676SJeff Bonwick ZIO_FLAG_CANFAIL | ZIO_FLAG_INDUCE_DAMAGE, NULL)); 4952fa9e4066Sahrens 4953b24ab676SJeff Bonwick zio_buf_free(buf, psize); 4954fa9e4066Sahrens 4955420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4956fa9e4066Sahrens } 4957fa9e4066Sahrens 4958fa9e4066Sahrens /* 4959b24ab676SJeff Bonwick * Scrub the pool. 4960fa9e4066Sahrens */ 4961b24ab676SJeff Bonwick /* ARGSUSED */ 4962b24ab676SJeff Bonwick void 4963b24ab676SJeff Bonwick ztest_scrub(ztest_ds_t *zd, uint64_t id) 4964fa9e4066Sahrens { 4965420dfc95SChris Siden spa_t *spa = ztest_spa; 4966fa9e4066Sahrens 49673f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 4968b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); /* wait a moment, then force a restart */ 49693f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 4970b24ab676SJeff Bonwick } 4971fa9e4066Sahrens 4972e9103aaeSGarrett D'Amore /* 4973e9103aaeSGarrett D'Amore * Change the guid for the pool. 4974e9103aaeSGarrett D'Amore */ 4975e9103aaeSGarrett D'Amore /* ARGSUSED */ 4976e9103aaeSGarrett D'Amore void 4977e9103aaeSGarrett D'Amore ztest_reguid(ztest_ds_t *zd, uint64_t id) 4978e9103aaeSGarrett D'Amore { 4979420dfc95SChris Siden spa_t *spa = ztest_spa; 4980e9103aaeSGarrett D'Amore uint64_t orig, load; 4981dfbb9432SGeorge Wilson int error; 4982e9103aaeSGarrett D'Amore 4983e9103aaeSGarrett D'Amore orig = spa_guid(spa); 4984e9103aaeSGarrett D'Amore load = spa_load_guid(spa); 4985dfbb9432SGeorge Wilson 4986dfbb9432SGeorge Wilson (void) rw_wrlock(&ztest_name_lock); 4987dfbb9432SGeorge Wilson error = spa_change_guid(spa); 4988dfbb9432SGeorge Wilson (void) rw_unlock(&ztest_name_lock); 4989dfbb9432SGeorge Wilson 4990dfbb9432SGeorge Wilson if (error != 0) 4991e9103aaeSGarrett D'Amore return; 4992e9103aaeSGarrett D'Amore 4993*25345e46SGeorge Wilson if (ztest_opts.zo_verbose >= 4) { 4994e9103aaeSGarrett D'Amore (void) printf("Changed guid old %llu -> %llu\n", 4995e9103aaeSGarrett D'Amore (u_longlong_t)orig, (u_longlong_t)spa_guid(spa)); 4996e9103aaeSGarrett D'Amore } 4997e9103aaeSGarrett D'Amore 4998e9103aaeSGarrett D'Amore VERIFY3U(orig, !=, spa_guid(spa)); 4999e9103aaeSGarrett D'Amore VERIFY3U(load, ==, spa_load_guid(spa)); 5000e9103aaeSGarrett D'Amore } 5001e9103aaeSGarrett D'Amore 5002b24ab676SJeff Bonwick /* 5003b24ab676SJeff Bonwick * Rename the pool to a different name and then rename it back. 5004b24ab676SJeff Bonwick */ 5005b24ab676SJeff Bonwick /* ARGSUSED */ 5006b24ab676SJeff Bonwick void 5007b24ab676SJeff Bonwick ztest_spa_rename(ztest_ds_t *zd, uint64_t id) 5008b24ab676SJeff Bonwick { 5009b24ab676SJeff Bonwick char *oldname, *newname; 5010b24ab676SJeff Bonwick spa_t *spa; 5011fa9e4066Sahrens 5012420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 5013fa9e4066Sahrens 5014420dfc95SChris Siden oldname = ztest_opts.zo_pool; 5015b24ab676SJeff Bonwick newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 5016b24ab676SJeff Bonwick (void) strcpy(newname, oldname); 5017b24ab676SJeff Bonwick (void) strcat(newname, "_tmp"); 5018fa9e4066Sahrens 5019fa9e4066Sahrens /* 5020b24ab676SJeff Bonwick * Do the rename 5021fa9e4066Sahrens */ 5022b420f3adSRichard Lowe VERIFY3U(0, ==, spa_rename(oldname, newname)); 5023fa9e4066Sahrens 5024fa9e4066Sahrens /* 5025b24ab676SJeff Bonwick * Try to open it under the old name, which shouldn't exist 5026fa9e4066Sahrens */ 5027b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 5028fa9e4066Sahrens 5029fa9e4066Sahrens /* 5030b24ab676SJeff Bonwick * Open it under the new name and make sure it's still the same spa_t. 5031fa9e4066Sahrens */ 5032b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 5033fa9e4066Sahrens 5034420dfc95SChris Siden ASSERT(spa == ztest_spa); 5035b24ab676SJeff Bonwick spa_close(spa, FTAG); 5036fa9e4066Sahrens 5037b24ab676SJeff Bonwick /* 5038b24ab676SJeff Bonwick * Rename it back to the original 5039b24ab676SJeff Bonwick */ 5040b420f3adSRichard Lowe VERIFY3U(0, ==, spa_rename(newname, oldname)); 5041fa9e4066Sahrens 5042fa9e4066Sahrens /* 5043b24ab676SJeff Bonwick * Make sure it can still be opened 5044fa9e4066Sahrens */ 5045b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 5046fa9e4066Sahrens 5047420dfc95SChris Siden ASSERT(spa == ztest_spa); 5048b24ab676SJeff Bonwick spa_close(spa, FTAG); 5049fa9e4066Sahrens 5050b24ab676SJeff Bonwick umem_free(newname, strlen(newname) + 1); 5051b24ab676SJeff Bonwick 5052420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5053fa9e4066Sahrens } 5054fa9e4066Sahrens 5055b24ab676SJeff Bonwick /* 5056b24ab676SJeff Bonwick * Verify pool integrity by running zdb. 5057b24ab676SJeff Bonwick */ 5058fa9e4066Sahrens static void 5059b24ab676SJeff Bonwick ztest_run_zdb(char *pool) 5060fa9e4066Sahrens { 5061fa9e4066Sahrens int status; 5062fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 5063fa9e4066Sahrens char zbuf[1024]; 5064fa9e4066Sahrens char *bin; 50658654d025Sperrin char *ztest; 50668654d025Sperrin char *isa; 50678654d025Sperrin int isalen; 5068fa9e4066Sahrens FILE *fp; 5069fa9e4066Sahrens 5070fa9e4066Sahrens (void) realpath(getexecname(), zdb); 5071fa9e4066Sahrens 5072fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 5073fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 50748654d025Sperrin ztest = strstr(bin, "/ztest"); 50758654d025Sperrin isa = bin + 8; 50768654d025Sperrin isalen = ztest - isa; 50778654d025Sperrin isa = strdup(isa); 5078fa9e4066Sahrens /* LINTED */ 50793a57275aSck (void) sprintf(bin, 5080f0ba89beSJeff Bonwick "/usr/sbin%.*s/zdb -bcc%s%s -U %s %s", 50818654d025Sperrin isalen, 50828654d025Sperrin isa, 5083420dfc95SChris Siden ztest_opts.zo_verbose >= 3 ? "s" : "", 5084420dfc95SChris Siden ztest_opts.zo_verbose >= 4 ? "v" : "", 5085f0ba89beSJeff Bonwick spa_config_path, 508688b7b0f2SMatthew Ahrens pool); 50878654d025Sperrin free(isa); 5088fa9e4066Sahrens 5089420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) 5090fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 5091fa9e4066Sahrens 5092fa9e4066Sahrens fp = popen(zdb, "r"); 5093fa9e4066Sahrens 5094fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 5095420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5096fa9e4066Sahrens (void) printf("%s", zbuf); 5097fa9e4066Sahrens 5098fa9e4066Sahrens status = pclose(fp); 5099fa9e4066Sahrens 5100fa9e4066Sahrens if (status == 0) 5101fa9e4066Sahrens return; 5102fa9e4066Sahrens 5103fa9e4066Sahrens ztest_dump_core = 0; 5104fa9e4066Sahrens if (WIFEXITED(status)) 5105fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 5106fa9e4066Sahrens else 5107fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 5108fa9e4066Sahrens } 5109fa9e4066Sahrens 5110fa9e4066Sahrens static void 5111fa9e4066Sahrens ztest_walk_pool_directory(char *header) 5112fa9e4066Sahrens { 5113fa9e4066Sahrens spa_t *spa = NULL; 5114fa9e4066Sahrens 5115420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5116fa9e4066Sahrens (void) printf("%s\n", header); 5117fa9e4066Sahrens 5118fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 5119fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 5120420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5121fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 5122fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 5123fa9e4066Sahrens } 5124fa9e4066Sahrens 5125fa9e4066Sahrens static void 5126fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 5127fa9e4066Sahrens { 51288ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 5129fa9e4066Sahrens uint64_t pool_guid; 5130fa9e4066Sahrens spa_t *spa; 5131fa9e4066Sahrens 5132420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) { 5133fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 5134fa9e4066Sahrens oldname, newname); 5135fa9e4066Sahrens } 5136fa9e4066Sahrens 5137fa9e4066Sahrens /* 5138fa9e4066Sahrens * Clean up from previous runs. 5139fa9e4066Sahrens */ 5140fa9e4066Sahrens (void) spa_destroy(newname); 5141fa9e4066Sahrens 5142fa9e4066Sahrens /* 5143fa9e4066Sahrens * Get the pool's configuration and guid. 5144fa9e4066Sahrens */ 5145b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 5146fa9e4066Sahrens 51478ad4d6ddSJeff Bonwick /* 51488ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 51498ad4d6ddSJeff Bonwick */ 51508ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 51513f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 51528ad4d6ddSJeff Bonwick 5153fa9e4066Sahrens pool_guid = spa_guid(spa); 5154fa9e4066Sahrens spa_close(spa, FTAG); 5155fa9e4066Sahrens 5156fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 5157fa9e4066Sahrens 5158fa9e4066Sahrens /* 5159fa9e4066Sahrens * Export it. 5160fa9e4066Sahrens */ 5161b420f3adSRichard Lowe VERIFY3U(0, ==, spa_export(oldname, &config, B_FALSE, B_FALSE)); 5162fa9e4066Sahrens 5163fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 5164fa9e4066Sahrens 51658ad4d6ddSJeff Bonwick /* 51668ad4d6ddSJeff Bonwick * Try to import it. 51678ad4d6ddSJeff Bonwick */ 51688ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 51698ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 51708ad4d6ddSJeff Bonwick nvlist_free(newconfig); 51718ad4d6ddSJeff Bonwick 5172fa9e4066Sahrens /* 5173fa9e4066Sahrens * Import it under the new name. 5174fa9e4066Sahrens */ 5175b420f3adSRichard Lowe VERIFY3U(0, ==, spa_import(newname, config, NULL, 0)); 5176fa9e4066Sahrens 5177fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 5178fa9e4066Sahrens 5179fa9e4066Sahrens /* 5180fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 5181fa9e4066Sahrens */ 51824b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(newname, config, NULL, 0)); 5183fa9e4066Sahrens 5184fa9e4066Sahrens /* 5185fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 5186fa9e4066Sahrens */ 51874b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(oldname, config, NULL, 0)); 5188fa9e4066Sahrens 5189fa9e4066Sahrens /* 5190fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 5191fa9e4066Sahrens */ 5192b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 5193fa9e4066Sahrens 5194fa9e4066Sahrens /* 5195fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 5196fa9e4066Sahrens */ 5197b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 5198fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 5199fa9e4066Sahrens spa_close(spa, FTAG); 5200fa9e4066Sahrens 5201fa9e4066Sahrens nvlist_free(config); 5202fa9e4066Sahrens } 5203fa9e4066Sahrens 52048ad4d6ddSJeff Bonwick static void 52058ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 52068ad4d6ddSJeff Bonwick { 5207420dfc95SChris Siden if (spa_suspended(spa) && ztest_opts.zo_verbose >= 6) 5208b24ab676SJeff Bonwick (void) printf("resuming from suspended state\n"); 5209b24ab676SJeff Bonwick spa_vdev_state_enter(spa, SCL_NONE); 5210b24ab676SJeff Bonwick vdev_clear(spa, NULL); 5211b24ab676SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 5212b24ab676SJeff Bonwick (void) zio_resume(spa); 52138ad4d6ddSJeff Bonwick } 52148ad4d6ddSJeff Bonwick 52150a4e9518Sgw static void * 52168ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 52170a4e9518Sgw { 5218e14bb325SJeff Bonwick spa_t *spa = arg; 52190a4e9518Sgw 52200a4e9518Sgw while (!ztest_exiting) { 5221b24ab676SJeff Bonwick if (spa_suspended(spa)) 5222b24ab676SJeff Bonwick ztest_resume(spa); 5223b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 52240a4e9518Sgw } 52250a4e9518Sgw return (NULL); 52260a4e9518Sgw } 52270a4e9518Sgw 5228b24ab676SJeff Bonwick static void * 5229b24ab676SJeff Bonwick ztest_deadman_thread(void *arg) 5230b24ab676SJeff Bonwick { 5231b24ab676SJeff Bonwick ztest_shared_t *zs = arg; 5232b24ab676SJeff Bonwick int grace = 300; 5233b24ab676SJeff Bonwick hrtime_t delta; 5234b24ab676SJeff Bonwick 5235b24ab676SJeff Bonwick delta = (zs->zs_thread_stop - zs->zs_thread_start) / NANOSEC + grace; 5236b24ab676SJeff Bonwick 5237b24ab676SJeff Bonwick (void) poll(NULL, 0, (int)(1000 * delta)); 5238b24ab676SJeff Bonwick 5239b24ab676SJeff Bonwick fatal(0, "failed to complete within %d seconds of deadline", grace); 5240b24ab676SJeff Bonwick 5241b24ab676SJeff Bonwick return (NULL); 5242b24ab676SJeff Bonwick } 5243b24ab676SJeff Bonwick 5244b24ab676SJeff Bonwick static void 5245420dfc95SChris Siden ztest_execute(int test, ztest_info_t *zi, uint64_t id) 5246b24ab676SJeff Bonwick { 5247420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[id % ztest_opts.zo_datasets]; 5248420dfc95SChris Siden ztest_shared_callstate_t *zc = ZTEST_GET_SHARED_CALLSTATE(test); 5249b24ab676SJeff Bonwick hrtime_t functime = gethrtime(); 5250b24ab676SJeff Bonwick 5251b24ab676SJeff Bonwick for (int i = 0; i < zi->zi_iters; i++) 5252b24ab676SJeff Bonwick zi->zi_func(zd, id); 5253b24ab676SJeff Bonwick 5254b24ab676SJeff Bonwick functime = gethrtime() - functime; 5255b24ab676SJeff Bonwick 5256420dfc95SChris Siden atomic_add_64(&zc->zc_count, 1); 5257420dfc95SChris Siden atomic_add_64(&zc->zc_time, functime); 5258b24ab676SJeff Bonwick 5259420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) { 5260b24ab676SJeff Bonwick Dl_info dli; 5261b24ab676SJeff Bonwick (void) dladdr((void *)zi->zi_func, &dli); 5262b24ab676SJeff Bonwick (void) printf("%6.2f sec in %s\n", 5263b24ab676SJeff Bonwick (double)functime / NANOSEC, dli.dli_sname); 5264b24ab676SJeff Bonwick } 5265b24ab676SJeff Bonwick } 5266b24ab676SJeff Bonwick 5267fa9e4066Sahrens static void * 5268fa9e4066Sahrens ztest_thread(void *arg) 5269fa9e4066Sahrens { 5270420dfc95SChris Siden int rand; 5271b24ab676SJeff Bonwick uint64_t id = (uintptr_t)arg; 5272fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 5273b24ab676SJeff Bonwick uint64_t call_next; 5274b24ab676SJeff Bonwick hrtime_t now; 5275fa9e4066Sahrens ztest_info_t *zi; 5276420dfc95SChris Siden ztest_shared_callstate_t *zc; 5277fa9e4066Sahrens 5278b24ab676SJeff Bonwick while ((now = gethrtime()) < zs->zs_thread_stop) { 5279fa9e4066Sahrens /* 5280fa9e4066Sahrens * See if it's time to force a crash. 5281fa9e4066Sahrens */ 5282b24ab676SJeff Bonwick if (now > zs->zs_thread_kill) 5283b24ab676SJeff Bonwick ztest_kill(zs); 5284fa9e4066Sahrens 5285fa9e4066Sahrens /* 5286b24ab676SJeff Bonwick * If we're getting ENOSPC with some regularity, stop. 5287fa9e4066Sahrens */ 5288b24ab676SJeff Bonwick if (zs->zs_enospc_count > 10) 5289b24ab676SJeff Bonwick break; 5290fa9e4066Sahrens 5291fa9e4066Sahrens /* 5292b24ab676SJeff Bonwick * Pick a random function to execute. 5293fa9e4066Sahrens */ 5294420dfc95SChris Siden rand = ztest_random(ZTEST_FUNCS); 5295420dfc95SChris Siden zi = &ztest_info[rand]; 5296420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(rand); 5297420dfc95SChris Siden call_next = zc->zc_next; 5298b24ab676SJeff Bonwick 5299b24ab676SJeff Bonwick if (now >= call_next && 5300420dfc95SChris Siden atomic_cas_64(&zc->zc_next, call_next, call_next + 5301420dfc95SChris Siden ztest_random(2 * zi->zi_interval[0] + 1)) == call_next) { 5302420dfc95SChris Siden ztest_execute(rand, zi, id); 5303420dfc95SChris Siden } 5304b24ab676SJeff Bonwick } 5305fa9e4066Sahrens 5306b24ab676SJeff Bonwick return (NULL); 5307b24ab676SJeff Bonwick } 5308fa9e4066Sahrens 5309b24ab676SJeff Bonwick static void 5310b24ab676SJeff Bonwick ztest_dataset_name(char *dsname, char *pool, int d) 5311b24ab676SJeff Bonwick { 5312b24ab676SJeff Bonwick (void) snprintf(dsname, MAXNAMELEN, "%s/ds_%d", pool, d); 5313b24ab676SJeff Bonwick } 5314fa9e4066Sahrens 5315b24ab676SJeff Bonwick static void 5316420dfc95SChris Siden ztest_dataset_destroy(int d) 5317b24ab676SJeff Bonwick { 5318b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5319fa9e4066Sahrens 5320420dfc95SChris Siden ztest_dataset_name(name, ztest_opts.zo_pool, d); 5321fa9e4066Sahrens 5322420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5323b24ab676SJeff Bonwick (void) printf("Destroying %s to free up space\n", name); 5324fa9e4066Sahrens 5325b24ab676SJeff Bonwick /* 5326b24ab676SJeff Bonwick * Cleanup any non-standard clones and snapshots. In general, 5327b24ab676SJeff Bonwick * ztest thread t operates on dataset (t % zopt_datasets), 5328b24ab676SJeff Bonwick * so there may be more than one thing to clean up. 5329b24ab676SJeff Bonwick */ 5330420dfc95SChris Siden for (int t = d; t < ztest_opts.zo_threads; 5331420dfc95SChris Siden t += ztest_opts.zo_datasets) { 5332b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(name, t); 5333420dfc95SChris Siden } 5334fa9e4066Sahrens 5335b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 5336b24ab676SJeff Bonwick DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 5337b24ab676SJeff Bonwick } 5338b24ab676SJeff Bonwick 5339b24ab676SJeff Bonwick static void 5340b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(ztest_ds_t *zd) 5341b24ab676SJeff Bonwick { 5342b24ab676SJeff Bonwick uint64_t usedobjs, dirobjs, scratch; 5343b24ab676SJeff Bonwick 5344b24ab676SJeff Bonwick /* 5345b24ab676SJeff Bonwick * ZTEST_DIROBJ is the object directory for the entire dataset. 5346b24ab676SJeff Bonwick * Therefore, the number of objects in use should equal the 5347b24ab676SJeff Bonwick * number of ZTEST_DIROBJ entries, +1 for ZTEST_DIROBJ itself. 5348b24ab676SJeff Bonwick * If not, we have an object leak. 5349b24ab676SJeff Bonwick * 5350b24ab676SJeff Bonwick * Note that we can only check this in ztest_dataset_open(), 5351b24ab676SJeff Bonwick * when the open-context and syncing-context values agree. 5352b24ab676SJeff Bonwick * That's because zap_count() returns the open-context value, 5353b24ab676SJeff Bonwick * while dmu_objset_space() returns the rootbp fill count. 5354b24ab676SJeff Bonwick */ 5355b420f3adSRichard Lowe VERIFY3U(0, ==, zap_count(zd->zd_os, ZTEST_DIROBJ, &dirobjs)); 5356b24ab676SJeff Bonwick dmu_objset_space(zd->zd_os, &scratch, &scratch, &usedobjs, &scratch); 5357b24ab676SJeff Bonwick ASSERT3U(dirobjs + 1, ==, usedobjs); 5358b24ab676SJeff Bonwick } 5359b24ab676SJeff Bonwick 5360b24ab676SJeff Bonwick static int 5361420dfc95SChris Siden ztest_dataset_open(int d) 5362b24ab676SJeff Bonwick { 5363420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[d]; 5364420dfc95SChris Siden uint64_t committed_seq = ZTEST_GET_SHARED_DS(d)->zd_seq; 5365b24ab676SJeff Bonwick objset_t *os; 5366b24ab676SJeff Bonwick zilog_t *zilog; 5367b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5368b24ab676SJeff Bonwick int error; 5369b24ab676SJeff Bonwick 5370420dfc95SChris Siden ztest_dataset_name(name, ztest_opts.zo_pool, d); 5371b24ab676SJeff Bonwick 5372420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 5373b24ab676SJeff Bonwick 537455da60b9SMark J Musante error = ztest_dataset_create(name); 5375b24ab676SJeff Bonwick if (error == ENOSPC) { 5376420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5377b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 5378b24ab676SJeff Bonwick return (error); 5379fa9e4066Sahrens } 5380b24ab676SJeff Bonwick ASSERT(error == 0 || error == EEXIST); 5381fa9e4066Sahrens 5382fb09f5aaSMadhav Suresh VERIFY0(dmu_objset_hold(name, zd, &os)); 5383420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5384b24ab676SJeff Bonwick 5385420dfc95SChris Siden ztest_zd_init(zd, ZTEST_GET_SHARED_DS(d), os); 5386b24ab676SJeff Bonwick 5387b24ab676SJeff Bonwick zilog = zd->zd_zilog; 5388b24ab676SJeff Bonwick 5389b24ab676SJeff Bonwick if (zilog->zl_header->zh_claim_lr_seq != 0 && 5390b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq < committed_seq) 5391b24ab676SJeff Bonwick fatal(0, "missing log records: claimed %llu < committed %llu", 5392b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq, committed_seq); 5393b24ab676SJeff Bonwick 5394b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5395b24ab676SJeff Bonwick 5396b24ab676SJeff Bonwick zil_replay(os, zd, ztest_replay_vector); 5397b24ab676SJeff Bonwick 5398b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5399b24ab676SJeff Bonwick 5400420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5401b24ab676SJeff Bonwick (void) printf("%s replay %llu blocks, %llu records, seq %llu\n", 5402b24ab676SJeff Bonwick zd->zd_name, 5403b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_blk_count, 5404b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_lr_count, 5405b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_replaying_seq); 5406b24ab676SJeff Bonwick 5407b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 5408b24ab676SJeff Bonwick 5409b24ab676SJeff Bonwick if (zilog->zl_replaying_seq != 0 && 5410b24ab676SJeff Bonwick zilog->zl_replaying_seq < committed_seq) 5411b24ab676SJeff Bonwick fatal(0, "missing log records: replayed %llu < committed %llu", 5412b24ab676SJeff Bonwick zilog->zl_replaying_seq, committed_seq); 5413b24ab676SJeff Bonwick 5414b24ab676SJeff Bonwick return (0); 5415b24ab676SJeff Bonwick } 5416b24ab676SJeff Bonwick 5417b24ab676SJeff Bonwick static void 5418420dfc95SChris Siden ztest_dataset_close(int d) 5419b24ab676SJeff Bonwick { 5420420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[d]; 5421b24ab676SJeff Bonwick 5422b24ab676SJeff Bonwick zil_close(zd->zd_zilog); 5423b24ab676SJeff Bonwick dmu_objset_rele(zd->zd_os, zd); 5424b24ab676SJeff Bonwick 5425b24ab676SJeff Bonwick ztest_zd_fini(zd); 5426fa9e4066Sahrens } 5427fa9e4066Sahrens 5428fa9e4066Sahrens /* 5429fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 5430fa9e4066Sahrens */ 5431fa9e4066Sahrens static void 5432b24ab676SJeff Bonwick ztest_run(ztest_shared_t *zs) 5433fa9e4066Sahrens { 5434b24ab676SJeff Bonwick thread_t *tid; 5435fa9e4066Sahrens spa_t *spa; 5436e9103aaeSGarrett D'Amore objset_t *os; 5437e14bb325SJeff Bonwick thread_t resume_tid; 5438b24ab676SJeff Bonwick int error; 5439e14bb325SJeff Bonwick 5440e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 5441fa9e4066Sahrens 5442fa9e4066Sahrens /* 5443b24ab676SJeff Bonwick * Initialize parent/child shared state. 5444fa9e4066Sahrens */ 5445420dfc95SChris Siden VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0); 5446420dfc95SChris Siden VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0); 5447fa9e4066Sahrens 5448b24ab676SJeff Bonwick zs->zs_thread_start = gethrtime(); 5449420dfc95SChris Siden zs->zs_thread_stop = 5450420dfc95SChris Siden zs->zs_thread_start + ztest_opts.zo_passtime * NANOSEC; 5451b24ab676SJeff Bonwick zs->zs_thread_stop = MIN(zs->zs_thread_stop, zs->zs_proc_stop); 5452b24ab676SJeff Bonwick zs->zs_thread_kill = zs->zs_thread_stop; 5453420dfc95SChris Siden if (ztest_random(100) < ztest_opts.zo_killrate) { 5454420dfc95SChris Siden zs->zs_thread_kill -= 5455420dfc95SChris Siden ztest_random(ztest_opts.zo_passtime * NANOSEC); 5456420dfc95SChris Siden } 5457fa9e4066Sahrens 5458b24ab676SJeff Bonwick (void) _mutex_init(&zcl.zcl_callbacks_lock, USYNC_THREAD, NULL); 5459fa9e4066Sahrens 5460b24ab676SJeff Bonwick list_create(&zcl.zcl_callbacks, sizeof (ztest_cb_data_t), 5461b24ab676SJeff Bonwick offsetof(ztest_cb_data_t, zcd_node)); 5462fa9e4066Sahrens 54630a4e9518Sgw /* 5464e14bb325SJeff Bonwick * Open our pool. 54650a4e9518Sgw */ 5466b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5467420dfc95SChris Siden VERIFY(spa_open(ztest_opts.zo_pool, &spa, FTAG) == 0); 546809c9d376SGeorge Wilson spa->spa_debug = B_TRUE; 5469420dfc95SChris Siden ztest_spa = spa; 5470b24ab676SJeff Bonwick 5471b420f3adSRichard Lowe VERIFY3U(0, ==, dmu_objset_hold(ztest_opts.zo_pool, FTAG, &os)); 5472e9103aaeSGarrett D'Amore zs->zs_guid = dmu_objset_fsid_guid(os); 5473e9103aaeSGarrett D'Amore dmu_objset_rele(os, FTAG); 5474e9103aaeSGarrett D'Amore 5475b24ab676SJeff Bonwick spa->spa_dedup_ditto = 2 * ZIO_DEDUPDITTO_MIN; 54760a4e9518Sgw 54778ad4d6ddSJeff Bonwick /* 54788ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 54798ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 54808ad4d6ddSJeff Bonwick * the only valid replica. 54818ad4d6ddSJeff Bonwick */ 54821195e687SMark J Musante if (MAXFAULTS() == 0) 54838ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 54848ad4d6ddSJeff Bonwick else 54858ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 54868ad4d6ddSJeff Bonwick 5487fa9e4066Sahrens /* 5488e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 5489fa9e4066Sahrens */ 54908ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 5491e14bb325SJeff Bonwick &resume_tid) == 0); 5492fa9e4066Sahrens 5493b24ab676SJeff Bonwick /* 5494b24ab676SJeff Bonwick * Create a deadman thread to abort() if we hang. 5495b24ab676SJeff Bonwick */ 5496b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_deadman_thread, zs, THR_BOUND, 5497b24ab676SJeff Bonwick NULL) == 0); 5498b24ab676SJeff Bonwick 5499fa9e4066Sahrens /* 5500fa9e4066Sahrens * Verify that we can safely inquire about about any object, 5501fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 5502fa9e4066Sahrens * we probe a 5-wide window around each power of two. 5503fa9e4066Sahrens * This hits all edge cases, including zero and the max. 5504fa9e4066Sahrens */ 5505b24ab676SJeff Bonwick for (int t = 0; t < 64; t++) { 5506b24ab676SJeff Bonwick for (int d = -5; d <= 5; d++) { 5507fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 5508fa9e4066Sahrens (1ULL << t) + d, NULL); 5509ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 5510ea8dc4b6Seschrock error == EINVAL); 5511fa9e4066Sahrens } 5512fa9e4066Sahrens } 5513fa9e4066Sahrens 5514fa9e4066Sahrens /* 5515b24ab676SJeff Bonwick * If we got any ENOSPC errors on the previous run, destroy something. 5516fa9e4066Sahrens */ 5517b24ab676SJeff Bonwick if (zs->zs_enospc_count != 0) { 5518420dfc95SChris Siden int d = ztest_random(ztest_opts.zo_datasets); 5519420dfc95SChris Siden ztest_dataset_destroy(d); 5520b24ab676SJeff Bonwick } 5521fa9e4066Sahrens zs->zs_enospc_count = 0; 5522fa9e4066Sahrens 5523420dfc95SChris Siden tid = umem_zalloc(ztest_opts.zo_threads * sizeof (thread_t), 5524420dfc95SChris Siden UMEM_NOFAIL); 5525fa9e4066Sahrens 5526420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) 5527fa9e4066Sahrens (void) printf("starting main threads...\n"); 5528fa9e4066Sahrens 5529b24ab676SJeff Bonwick /* 5530b24ab676SJeff Bonwick * Kick off all the tests that run in parallel. 5531b24ab676SJeff Bonwick */ 5532420dfc95SChris Siden for (int t = 0; t < ztest_opts.zo_threads; t++) { 5533420dfc95SChris Siden if (t < ztest_opts.zo_datasets && 5534420dfc95SChris Siden ztest_dataset_open(t) != 0) 5535b24ab676SJeff Bonwick return; 5536b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, (void *)(uintptr_t)t, 5537b24ab676SJeff Bonwick THR_BOUND, &tid[t]) == 0); 5538fa9e4066Sahrens } 5539fa9e4066Sahrens 5540b24ab676SJeff Bonwick /* 5541b24ab676SJeff Bonwick * Wait for all of the tests to complete. We go in reverse order 5542b24ab676SJeff Bonwick * so we don't close datasets while threads are still using them. 5543b24ab676SJeff Bonwick */ 5544420dfc95SChris Siden for (int t = ztest_opts.zo_threads - 1; t >= 0; t--) { 5545b24ab676SJeff Bonwick VERIFY(thr_join(tid[t], NULL, NULL) == 0); 5546420dfc95SChris Siden if (t < ztest_opts.zo_datasets) 5547420dfc95SChris Siden ztest_dataset_close(t); 5548fa9e4066Sahrens } 5549fa9e4066Sahrens 5550fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 5551fa9e4066Sahrens 5552b24ab676SJeff Bonwick zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 5553b24ab676SJeff Bonwick zs->zs_space = metaslab_class_get_space(spa_normal_class(spa)); 5554b24ab676SJeff Bonwick 5555420dfc95SChris Siden umem_free(tid, ztest_opts.zo_threads * sizeof (thread_t)); 5556b24ab676SJeff Bonwick 5557b24ab676SJeff Bonwick /* Kill the resume thread */ 5558b24ab676SJeff Bonwick ztest_exiting = B_TRUE; 5559b24ab676SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 5560b24ab676SJeff Bonwick ztest_resume(spa); 5561b24ab676SJeff Bonwick 5562b24ab676SJeff Bonwick /* 5563b24ab676SJeff Bonwick * Right before closing the pool, kick off a bunch of async I/O; 5564b24ab676SJeff Bonwick * spa_close() should wait for it to complete. 5565b24ab676SJeff Bonwick */ 5566b24ab676SJeff Bonwick for (uint64_t object = 1; object < 50; object++) 5567b24ab676SJeff Bonwick dmu_prefetch(spa->spa_meta_objset, object, 0, 1ULL << 20); 5568b24ab676SJeff Bonwick 5569b24ab676SJeff Bonwick spa_close(spa, FTAG); 5570fa9e4066Sahrens 5571fa9e4066Sahrens /* 5572b24ab676SJeff Bonwick * Verify that we can loop over all pools. 5573fa9e4066Sahrens */ 5574b24ab676SJeff Bonwick mutex_enter(&spa_namespace_lock); 5575b24ab676SJeff Bonwick for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) 5576420dfc95SChris Siden if (ztest_opts.zo_verbose > 3) 5577b24ab676SJeff Bonwick (void) printf("spa_next: found %s\n", spa_name(spa)); 5578b24ab676SJeff Bonwick mutex_exit(&spa_namespace_lock); 5579b24ab676SJeff Bonwick 5580b24ab676SJeff Bonwick /* 5581b24ab676SJeff Bonwick * Verify that we can export the pool and reimport it under a 5582b24ab676SJeff Bonwick * different name. 5583b24ab676SJeff Bonwick */ 5584b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 5585b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5586420dfc95SChris Siden (void) snprintf(name, MAXNAMELEN, "%s_import", 5587420dfc95SChris Siden ztest_opts.zo_pool); 5588420dfc95SChris Siden ztest_spa_import_export(ztest_opts.zo_pool, name); 5589420dfc95SChris Siden ztest_spa_import_export(name, ztest_opts.zo_pool); 5590b24ab676SJeff Bonwick } 5591b24ab676SJeff Bonwick 5592b24ab676SJeff Bonwick kernel_fini(); 559326cb54a9SGeorge Wilson 559426cb54a9SGeorge Wilson list_destroy(&zcl.zcl_callbacks); 559526cb54a9SGeorge Wilson 559626cb54a9SGeorge Wilson (void) _mutex_destroy(&zcl.zcl_callbacks_lock); 559726cb54a9SGeorge Wilson 5598420dfc95SChris Siden (void) rwlock_destroy(&ztest_name_lock); 5599420dfc95SChris Siden (void) _mutex_destroy(&ztest_vdev_lock); 5600b24ab676SJeff Bonwick } 5601b24ab676SJeff Bonwick 5602b24ab676SJeff Bonwick static void 5603420dfc95SChris Siden ztest_freeze(void) 5604b24ab676SJeff Bonwick { 5605420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[0]; 5606b24ab676SJeff Bonwick spa_t *spa; 56072215e990SMark J Musante int numloops = 0; 5608b24ab676SJeff Bonwick 5609420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5610b24ab676SJeff Bonwick (void) printf("testing spa_freeze()...\n"); 5611718d718aSGeorge Wilson 5612b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5613b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5614b420f3adSRichard Lowe VERIFY3U(0, ==, ztest_dataset_open(0)); 5615718d718aSGeorge Wilson 5616b24ab676SJeff Bonwick /* 5617b24ab676SJeff Bonwick * Force the first log block to be transactionally allocated. 5618b24ab676SJeff Bonwick * We have to do this before we freeze the pool -- otherwise 5619b24ab676SJeff Bonwick * the log chain won't be anchored. 5620b24ab676SJeff Bonwick */ 5621b24ab676SJeff Bonwick while (BP_IS_HOLE(&zd->zd_zilog->zl_header->zh_log)) { 5622b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 56235002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5624fa9e4066Sahrens } 5625fa9e4066Sahrens 5626ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 5627fa9e4066Sahrens 5628b24ab676SJeff Bonwick /* 5629b24ab676SJeff Bonwick * Freeze the pool. This stops spa_sync() from doing anything, 5630b24ab676SJeff Bonwick * so that the only way to record changes from now on is the ZIL. 5631b24ab676SJeff Bonwick */ 5632b24ab676SJeff Bonwick spa_freeze(spa); 5633e14bb325SJeff Bonwick 5634b24ab676SJeff Bonwick /* 5635b24ab676SJeff Bonwick * Run tests that generate log records but don't alter the pool config 5636b24ab676SJeff Bonwick * or depend on DSL sync tasks (snapshots, objset create/destroy, etc). 5637b24ab676SJeff Bonwick * We do a txg_wait_synced() after each iteration to force the txg 5638b24ab676SJeff Bonwick * to increase well beyond the last synced value in the uberblock. 5639b24ab676SJeff Bonwick * The ZIL should be OK with that. 5640b24ab676SJeff Bonwick */ 5641420dfc95SChris Siden while (ztest_random(10) != 0 && 5642420dfc95SChris Siden numloops++ < ztest_opts.zo_maxloops) { 5643b24ab676SJeff Bonwick ztest_dmu_write_parallel(zd, 0); 5644b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 5645b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5646b24ab676SJeff Bonwick } 5647e14bb325SJeff Bonwick 5648fa9e4066Sahrens /* 5649b24ab676SJeff Bonwick * Commit all of the changes we just generated. 5650fa9e4066Sahrens */ 56515002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5652b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5653fa9e4066Sahrens 5654b24ab676SJeff Bonwick /* 5655b24ab676SJeff Bonwick * Close our dataset and close the pool. 5656b24ab676SJeff Bonwick */ 5657420dfc95SChris Siden ztest_dataset_close(0); 5658e05725b1Sbonwick spa_close(spa, FTAG); 5659b24ab676SJeff Bonwick kernel_fini(); 5660e05725b1Sbonwick 5661b24ab676SJeff Bonwick /* 5662b24ab676SJeff Bonwick * Open and close the pool and dataset to induce log replay. 5663b24ab676SJeff Bonwick */ 5664b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5665b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5666ce636f8bSMatthew Ahrens ASSERT(spa_freeze_txg(spa) == UINT64_MAX); 5667b420f3adSRichard Lowe VERIFY3U(0, ==, ztest_dataset_open(0)); 5668420dfc95SChris Siden ztest_dataset_close(0); 5669dfbb9432SGeorge Wilson 5670dfbb9432SGeorge Wilson spa->spa_debug = B_TRUE; 5671dfbb9432SGeorge Wilson ztest_spa = spa; 5672dfbb9432SGeorge Wilson txg_wait_synced(spa_get_dsl(spa), 0); 5673dfbb9432SGeorge Wilson ztest_reguid(NULL, 0); 5674dfbb9432SGeorge Wilson 5675b24ab676SJeff Bonwick spa_close(spa, FTAG); 5676fa9e4066Sahrens kernel_fini(); 5677fa9e4066Sahrens } 5678fa9e4066Sahrens 5679fa9e4066Sahrens void 5680fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 5681fa9e4066Sahrens { 5682fa9e4066Sahrens hrtime_t s = t / NANOSEC; 5683fa9e4066Sahrens hrtime_t m = s / 60; 5684fa9e4066Sahrens hrtime_t h = m / 60; 5685fa9e4066Sahrens hrtime_t d = h / 24; 5686fa9e4066Sahrens 5687fa9e4066Sahrens s -= m * 60; 5688fa9e4066Sahrens m -= h * 60; 5689fa9e4066Sahrens h -= d * 24; 5690fa9e4066Sahrens 5691fa9e4066Sahrens timebuf[0] = '\0'; 5692fa9e4066Sahrens 5693fa9e4066Sahrens if (d) 5694fa9e4066Sahrens (void) sprintf(timebuf, 5695fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 5696fa9e4066Sahrens else if (h) 5697fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 5698fa9e4066Sahrens else if (m) 5699fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 5700fa9e4066Sahrens else 5701fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 5702fa9e4066Sahrens } 5703fa9e4066Sahrens 57041195e687SMark J Musante static nvlist_t * 57051195e687SMark J Musante make_random_props() 57061195e687SMark J Musante { 57071195e687SMark J Musante nvlist_t *props; 57081195e687SMark J Musante 57091195e687SMark J Musante VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 5710ad135b5dSChristopher Siden if (ztest_random(2) == 0) 5711ad135b5dSChristopher Siden return (props); 57121195e687SMark J Musante VERIFY(nvlist_add_uint64(props, "autoreplace", 1) == 0); 57131195e687SMark J Musante 57141195e687SMark J Musante return (props); 57151195e687SMark J Musante } 57161195e687SMark J Musante 5717fa9e4066Sahrens /* 5718fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 5719b24ab676SJeff Bonwick * Then test spa_freeze() functionality. 5720fa9e4066Sahrens */ 5721fa9e4066Sahrens static void 5722b24ab676SJeff Bonwick ztest_init(ztest_shared_t *zs) 5723fa9e4066Sahrens { 5724fa9e4066Sahrens spa_t *spa; 57251195e687SMark J Musante nvlist_t *nvroot, *props; 5726fa9e4066Sahrens 5727420dfc95SChris Siden VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0); 5728420dfc95SChris Siden VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0); 5729b24ab676SJeff Bonwick 5730fa9e4066Sahrens kernel_init(FREAD | FWRITE); 5731fa9e4066Sahrens 5732fa9e4066Sahrens /* 5733fa9e4066Sahrens * Create the storage pool. 5734fa9e4066Sahrens */ 5735420dfc95SChris Siden (void) spa_destroy(ztest_opts.zo_pool); 573688ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = 0; 57371195e687SMark J Musante zs->zs_splits = 0; 5738420dfc95SChris Siden zs->zs_mirrors = ztest_opts.zo_mirrors; 5739*25345e46SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, NULL, ztest_opts.zo_vdev_size, 0, 5740420dfc95SChris Siden 0, ztest_opts.zo_raidz, zs->zs_mirrors, 1); 57411195e687SMark J Musante props = make_random_props(); 5742ad135b5dSChristopher Siden for (int i = 0; i < SPA_FEATURES; i++) { 5743ad135b5dSChristopher Siden char buf[1024]; 5744ad135b5dSChristopher Siden (void) snprintf(buf, sizeof (buf), "feature@%s", 5745ad135b5dSChristopher Siden spa_feature_table[i].fi_uname); 5746b420f3adSRichard Lowe VERIFY3U(0, ==, nvlist_add_uint64(props, buf, 0)); 5747ad135b5dSChristopher Siden } 5748b420f3adSRichard Lowe VERIFY3U(0, ==, spa_create(ztest_opts.zo_pool, nvroot, props, NULL)); 5749fa9e4066Sahrens nvlist_free(nvroot); 5750fa9e4066Sahrens 5751b420f3adSRichard Lowe VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5752420dfc95SChris Siden zs->zs_metaslab_sz = 5753420dfc95SChris Siden 1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift; 5754ad135b5dSChristopher Siden 5755fa9e4066Sahrens spa_close(spa, FTAG); 5756fa9e4066Sahrens 5757fa9e4066Sahrens kernel_fini(); 5758b24ab676SJeff Bonwick 5759420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5760420dfc95SChris Siden 5761420dfc95SChris Siden ztest_freeze(); 5762420dfc95SChris Siden 5763420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5764420dfc95SChris Siden 5765420dfc95SChris Siden (void) rwlock_destroy(&ztest_name_lock); 5766420dfc95SChris Siden (void) _mutex_destroy(&ztest_vdev_lock); 5767420dfc95SChris Siden } 5768420dfc95SChris Siden 5769420dfc95SChris Siden static void 5770741652b0SEtienne Dechamps setup_data_fd(void) 5771420dfc95SChris Siden { 5772741652b0SEtienne Dechamps static char ztest_name_data[] = "/tmp/ztest.data.XXXXXX"; 5773420dfc95SChris Siden 5774741652b0SEtienne Dechamps ztest_fd_data = mkstemp(ztest_name_data); 5775741652b0SEtienne Dechamps ASSERT3S(ztest_fd_data, >=, 0); 5776741652b0SEtienne Dechamps (void) unlink(ztest_name_data); 5777420dfc95SChris Siden } 5778420dfc95SChris Siden 5779741652b0SEtienne Dechamps 5780ad135b5dSChristopher Siden static int 5781ad135b5dSChristopher Siden shared_data_size(ztest_shared_hdr_t *hdr) 5782ad135b5dSChristopher Siden { 5783ad135b5dSChristopher Siden int size; 5784ad135b5dSChristopher Siden 5785ad135b5dSChristopher Siden size = hdr->zh_hdr_size; 5786ad135b5dSChristopher Siden size += hdr->zh_opts_size; 5787ad135b5dSChristopher Siden size += hdr->zh_size; 5788ad135b5dSChristopher Siden size += hdr->zh_stats_size * hdr->zh_stats_count; 5789ad135b5dSChristopher Siden size += hdr->zh_ds_size * hdr->zh_ds_count; 5790ad135b5dSChristopher Siden 5791ad135b5dSChristopher Siden return (size); 5792ad135b5dSChristopher Siden } 5793ad135b5dSChristopher Siden 5794420dfc95SChris Siden static void 5795420dfc95SChris Siden setup_hdr(void) 5796420dfc95SChris Siden { 5797ad135b5dSChristopher Siden int size; 5798420dfc95SChris Siden ztest_shared_hdr_t *hdr; 5799420dfc95SChris Siden 5800420dfc95SChris Siden hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()), 5801741652b0SEtienne Dechamps PROT_READ | PROT_WRITE, MAP_SHARED, ztest_fd_data, 0); 5802420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5803420dfc95SChris Siden 5804741652b0SEtienne Dechamps VERIFY3U(0, ==, ftruncate(ztest_fd_data, sizeof (ztest_shared_hdr_t))); 5805ad135b5dSChristopher Siden 5806420dfc95SChris Siden hdr->zh_hdr_size = sizeof (ztest_shared_hdr_t); 5807420dfc95SChris Siden hdr->zh_opts_size = sizeof (ztest_shared_opts_t); 5808420dfc95SChris Siden hdr->zh_size = sizeof (ztest_shared_t); 5809420dfc95SChris Siden hdr->zh_stats_size = sizeof (ztest_shared_callstate_t); 5810420dfc95SChris Siden hdr->zh_stats_count = ZTEST_FUNCS; 5811420dfc95SChris Siden hdr->zh_ds_size = sizeof (ztest_shared_ds_t); 5812420dfc95SChris Siden hdr->zh_ds_count = ztest_opts.zo_datasets; 5813420dfc95SChris Siden 5814ad135b5dSChristopher Siden size = shared_data_size(hdr); 5815741652b0SEtienne Dechamps VERIFY3U(0, ==, ftruncate(ztest_fd_data, size)); 5816ad135b5dSChristopher Siden 5817420dfc95SChris Siden (void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize())); 5818420dfc95SChris Siden } 5819420dfc95SChris Siden 5820420dfc95SChris Siden static void 5821420dfc95SChris Siden setup_data(void) 5822420dfc95SChris Siden { 5823420dfc95SChris Siden int size, offset; 5824420dfc95SChris Siden ztest_shared_hdr_t *hdr; 5825420dfc95SChris Siden uint8_t *buf; 5826420dfc95SChris Siden 5827420dfc95SChris Siden hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()), 5828741652b0SEtienne Dechamps PROT_READ, MAP_SHARED, ztest_fd_data, 0); 5829420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5830420dfc95SChris Siden 5831ad135b5dSChristopher Siden size = shared_data_size(hdr); 5832420dfc95SChris Siden 5833420dfc95SChris Siden (void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize())); 5834420dfc95SChris Siden hdr = ztest_shared_hdr = (void *)mmap(0, P2ROUNDUP(size, getpagesize()), 5835741652b0SEtienne Dechamps PROT_READ | PROT_WRITE, MAP_SHARED, ztest_fd_data, 0); 5836420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5837420dfc95SChris Siden buf = (uint8_t *)hdr; 5838420dfc95SChris Siden 5839420dfc95SChris Siden offset = hdr->zh_hdr_size; 5840420dfc95SChris Siden ztest_shared_opts = (void *)&buf[offset]; 5841420dfc95SChris Siden offset += hdr->zh_opts_size; 5842420dfc95SChris Siden ztest_shared = (void *)&buf[offset]; 5843420dfc95SChris Siden offset += hdr->zh_size; 5844420dfc95SChris Siden ztest_shared_callstate = (void *)&buf[offset]; 5845420dfc95SChris Siden offset += hdr->zh_stats_size * hdr->zh_stats_count; 5846420dfc95SChris Siden ztest_shared_ds = (void *)&buf[offset]; 5847420dfc95SChris Siden } 5848420dfc95SChris Siden 5849420dfc95SChris Siden static boolean_t 5850420dfc95SChris Siden exec_child(char *cmd, char *libpath, boolean_t ignorekill, int *statusp) 5851420dfc95SChris Siden { 5852420dfc95SChris Siden pid_t pid; 5853420dfc95SChris Siden int status; 5854741652b0SEtienne Dechamps char *cmdbuf = NULL; 5855420dfc95SChris Siden 5856420dfc95SChris Siden pid = fork(); 5857420dfc95SChris Siden 5858420dfc95SChris Siden if (cmd == NULL) { 5859741652b0SEtienne Dechamps cmdbuf = umem_alloc(MAXPATHLEN, UMEM_NOFAIL); 5860741652b0SEtienne Dechamps (void) strlcpy(cmdbuf, getexecname(), MAXPATHLEN); 5861420dfc95SChris Siden cmd = cmdbuf; 5862420dfc95SChris Siden } 5863b24ab676SJeff Bonwick 5864420dfc95SChris Siden if (pid == -1) 5865420dfc95SChris Siden fatal(1, "fork failed"); 5866b24ab676SJeff Bonwick 5867420dfc95SChris Siden if (pid == 0) { /* child */ 5868420dfc95SChris Siden char *emptyargv[2] = { cmd, NULL }; 5869741652b0SEtienne Dechamps char fd_data_str[12]; 587026cb54a9SGeorge Wilson 5871420dfc95SChris Siden struct rlimit rl = { 1024, 1024 }; 5872420dfc95SChris Siden (void) setrlimit(RLIMIT_NOFILE, &rl); 5873741652b0SEtienne Dechamps 5874741652b0SEtienne Dechamps (void) close(ztest_fd_rand); 5875741652b0SEtienne Dechamps VERIFY3U(11, >=, 5876741652b0SEtienne Dechamps snprintf(fd_data_str, 12, "%d", ztest_fd_data)); 5877741652b0SEtienne Dechamps VERIFY0(setenv("ZTEST_FD_DATA", fd_data_str, 1)); 5878741652b0SEtienne Dechamps 5879420dfc95SChris Siden (void) enable_extended_FILE_stdio(-1, -1); 5880420dfc95SChris Siden if (libpath != NULL) 5881420dfc95SChris Siden VERIFY(0 == setenv("LD_LIBRARY_PATH", libpath, 1)); 5882420dfc95SChris Siden (void) execv(cmd, emptyargv); 5883420dfc95SChris Siden ztest_dump_core = B_FALSE; 5884420dfc95SChris Siden fatal(B_TRUE, "exec failed: %s", cmd); 5885420dfc95SChris Siden } 5886420dfc95SChris Siden 5887741652b0SEtienne Dechamps if (cmdbuf != NULL) { 5888741652b0SEtienne Dechamps umem_free(cmdbuf, MAXPATHLEN); 5889741652b0SEtienne Dechamps cmd = NULL; 5890741652b0SEtienne Dechamps } 5891741652b0SEtienne Dechamps 5892420dfc95SChris Siden while (waitpid(pid, &status, 0) != pid) 5893420dfc95SChris Siden continue; 5894420dfc95SChris Siden if (statusp != NULL) 5895420dfc95SChris Siden *statusp = status; 5896420dfc95SChris Siden 5897420dfc95SChris Siden if (WIFEXITED(status)) { 5898420dfc95SChris Siden if (WEXITSTATUS(status) != 0) { 5899420dfc95SChris Siden (void) fprintf(stderr, "child exited with code %d\n", 5900420dfc95SChris Siden WEXITSTATUS(status)); 5901420dfc95SChris Siden exit(2); 5902420dfc95SChris Siden } 5903420dfc95SChris Siden return (B_FALSE); 5904420dfc95SChris Siden } else if (WIFSIGNALED(status)) { 5905420dfc95SChris Siden if (!ignorekill || WTERMSIG(status) != SIGKILL) { 5906420dfc95SChris Siden (void) fprintf(stderr, "child died with signal %d\n", 5907420dfc95SChris Siden WTERMSIG(status)); 5908420dfc95SChris Siden exit(3); 5909420dfc95SChris Siden } 5910420dfc95SChris Siden return (B_TRUE); 5911420dfc95SChris Siden } else { 5912420dfc95SChris Siden (void) fprintf(stderr, "something strange happened to child\n"); 5913420dfc95SChris Siden exit(4); 5914420dfc95SChris Siden /* NOTREACHED */ 5915420dfc95SChris Siden } 5916420dfc95SChris Siden } 5917420dfc95SChris Siden 5918420dfc95SChris Siden static void 5919420dfc95SChris Siden ztest_run_init(void) 5920420dfc95SChris Siden { 5921420dfc95SChris Siden ztest_shared_t *zs = ztest_shared; 5922420dfc95SChris Siden 5923420dfc95SChris Siden ASSERT(ztest_opts.zo_init != 0); 5924420dfc95SChris Siden 5925420dfc95SChris Siden /* 5926420dfc95SChris Siden * Blow away any existing copy of zpool.cache 5927420dfc95SChris Siden */ 5928420dfc95SChris Siden (void) remove(spa_config_path); 5929420dfc95SChris Siden 5930420dfc95SChris Siden /* 5931420dfc95SChris Siden * Create and initialize our storage pool. 5932420dfc95SChris Siden */ 5933420dfc95SChris Siden for (int i = 1; i <= ztest_opts.zo_init; i++) { 5934420dfc95SChris Siden bzero(zs, sizeof (ztest_shared_t)); 5935420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3 && 5936420dfc95SChris Siden ztest_opts.zo_init != 1) { 5937420dfc95SChris Siden (void) printf("ztest_init(), pass %d\n", i); 5938420dfc95SChris Siden } 5939420dfc95SChris Siden ztest_init(zs); 5940420dfc95SChris Siden } 5941fa9e4066Sahrens } 5942fa9e4066Sahrens 5943fa9e4066Sahrens int 5944fa9e4066Sahrens main(int argc, char **argv) 5945fa9e4066Sahrens { 5946fa9e4066Sahrens int kills = 0; 5947fa9e4066Sahrens int iters = 0; 5948420dfc95SChris Siden int older = 0; 5949420dfc95SChris Siden int newer = 0; 5950fa9e4066Sahrens ztest_shared_t *zs; 5951fa9e4066Sahrens ztest_info_t *zi; 5952420dfc95SChris Siden ztest_shared_callstate_t *zc; 5953fa9e4066Sahrens char timebuf[100]; 5954fa9e4066Sahrens char numbuf[6]; 5955b24ab676SJeff Bonwick spa_t *spa; 5956741652b0SEtienne Dechamps char *cmd; 5957420dfc95SChris Siden boolean_t hasalt; 5958741652b0SEtienne Dechamps char *fd_data_str = getenv("ZTEST_FD_DATA"); 5959fa9e4066Sahrens 5960fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 5961fa9e4066Sahrens 5962cd1c8b85SMatthew Ahrens dprintf_setup(&argc, argv); 5963cd1c8b85SMatthew Ahrens 5964741652b0SEtienne Dechamps ztest_fd_rand = open("/dev/urandom", O_RDONLY); 5965741652b0SEtienne Dechamps ASSERT3S(ztest_fd_rand, >=, 0); 5966741652b0SEtienne Dechamps 5967741652b0SEtienne Dechamps if (!fd_data_str) { 5968420dfc95SChris Siden process_options(argc, argv); 5969fa9e4066Sahrens 5970741652b0SEtienne Dechamps setup_data_fd(); 5971420dfc95SChris Siden setup_hdr(); 5972420dfc95SChris Siden setup_data(); 5973420dfc95SChris Siden bcopy(&ztest_opts, ztest_shared_opts, 5974420dfc95SChris Siden sizeof (*ztest_shared_opts)); 5975420dfc95SChris Siden } else { 5976741652b0SEtienne Dechamps ztest_fd_data = atoi(fd_data_str); 5977420dfc95SChris Siden setup_data(); 5978420dfc95SChris Siden bcopy(ztest_shared_opts, &ztest_opts, sizeof (ztest_opts)); 5979420dfc95SChris Siden } 5980420dfc95SChris Siden ASSERT3U(ztest_opts.zo_datasets, ==, ztest_shared_hdr->zh_ds_count); 5981fa9e4066Sahrens 5982f0ba89beSJeff Bonwick /* Override location of zpool.cache */ 5983741652b0SEtienne Dechamps VERIFY3U(asprintf((char **)&spa_config_path, "%s/zpool.cache", 5984741652b0SEtienne Dechamps ztest_opts.zo_dir), !=, -1); 5985f0ba89beSJeff Bonwick 5986420dfc95SChris Siden ztest_ds = umem_alloc(ztest_opts.zo_datasets * sizeof (ztest_ds_t), 5987420dfc95SChris Siden UMEM_NOFAIL); 5988420dfc95SChris Siden zs = ztest_shared; 5989ea8dc4b6Seschrock 5990741652b0SEtienne Dechamps if (fd_data_str) { 5991420dfc95SChris Siden metaslab_gang_bang = ztest_opts.zo_metaslab_gang_bang; 5992420dfc95SChris Siden metaslab_df_alloc_threshold = 5993420dfc95SChris Siden zs->zs_metaslab_df_alloc_threshold; 5994b24ab676SJeff Bonwick 5995420dfc95SChris Siden if (zs->zs_do_init) 5996420dfc95SChris Siden ztest_run_init(); 5997420dfc95SChris Siden else 5998420dfc95SChris Siden ztest_run(zs); 5999420dfc95SChris Siden exit(0); 6000420dfc95SChris Siden } 6001fa9e4066Sahrens 6002420dfc95SChris Siden hasalt = (strlen(ztest_opts.zo_alt_ztest) != 0); 6003420dfc95SChris Siden 6004420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6005fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 6006fa9e4066Sahrens " %llu seconds...\n", 6007420dfc95SChris Siden (u_longlong_t)ztest_opts.zo_vdevs, 6008420dfc95SChris Siden ztest_opts.zo_datasets, 6009420dfc95SChris Siden ztest_opts.zo_threads, 6010420dfc95SChris Siden (u_longlong_t)ztest_opts.zo_time); 6011fa9e4066Sahrens } 6012fa9e4066Sahrens 6013741652b0SEtienne Dechamps cmd = umem_alloc(MAXNAMELEN, UMEM_NOFAIL); 6014741652b0SEtienne Dechamps (void) strlcpy(cmd, getexecname(), MAXNAMELEN); 6015420dfc95SChris Siden 6016420dfc95SChris Siden zs->zs_do_init = B_TRUE; 6017420dfc95SChris Siden if (strlen(ztest_opts.zo_alt_ztest) != 0) { 6018420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6019420dfc95SChris Siden (void) printf("Executing older ztest for " 6020420dfc95SChris Siden "initialization: %s\n", ztest_opts.zo_alt_ztest); 6021420dfc95SChris Siden } 6022420dfc95SChris Siden VERIFY(!exec_child(ztest_opts.zo_alt_ztest, 6023420dfc95SChris Siden ztest_opts.zo_alt_libpath, B_FALSE, NULL)); 6024420dfc95SChris Siden } else { 6025420dfc95SChris Siden VERIFY(!exec_child(NULL, NULL, B_FALSE, NULL)); 6026fa9e4066Sahrens } 6027420dfc95SChris Siden zs->zs_do_init = B_FALSE; 6028fa9e4066Sahrens 6029b24ab676SJeff Bonwick zs->zs_proc_start = gethrtime(); 6030420dfc95SChris Siden zs->zs_proc_stop = zs->zs_proc_start + ztest_opts.zo_time * NANOSEC; 6031fa9e4066Sahrens 6032b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 6033420dfc95SChris Siden zi = &ztest_info[f]; 6034420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 6035b24ab676SJeff Bonwick if (zs->zs_proc_start + zi->zi_interval[0] > zs->zs_proc_stop) 6036420dfc95SChris Siden zc->zc_next = UINT64_MAX; 6037fa9e4066Sahrens else 6038420dfc95SChris Siden zc->zc_next = zs->zs_proc_start + 6039b24ab676SJeff Bonwick ztest_random(2 * zi->zi_interval[0] + 1); 6040fa9e4066Sahrens } 6041fa9e4066Sahrens 6042fa9e4066Sahrens /* 6043fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 6044fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 6045fa9e4066Sahrens * to verify that we never lose on-disk consistency. 6046fa9e4066Sahrens */ 6047b24ab676SJeff Bonwick while (gethrtime() < zs->zs_proc_stop) { 6048fa9e4066Sahrens int status; 6049420dfc95SChris Siden boolean_t killed; 6050fa9e4066Sahrens 6051fa9e4066Sahrens /* 6052fa9e4066Sahrens * Initialize the workload counters for each function. 6053fa9e4066Sahrens */ 6054b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 6055420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 6056420dfc95SChris Siden zc->zc_count = 0; 6057420dfc95SChris Siden zc->zc_time = 0; 6058fa9e4066Sahrens } 6059fa9e4066Sahrens 6060d6e555bdSGeorge Wilson /* Set the allocation switch size */ 6061420dfc95SChris Siden zs->zs_metaslab_df_alloc_threshold = 6062420dfc95SChris Siden ztest_random(zs->zs_metaslab_sz / 4) + 1; 6063fa9e4066Sahrens 6064420dfc95SChris Siden if (!hasalt || ztest_random(2) == 0) { 6065420dfc95SChris Siden if (hasalt && ztest_opts.zo_verbose >= 1) { 6066420dfc95SChris Siden (void) printf("Executing newer ztest: %s\n", 6067420dfc95SChris Siden cmd); 6068fa9e4066Sahrens } 6069420dfc95SChris Siden newer++; 6070420dfc95SChris Siden killed = exec_child(cmd, NULL, B_TRUE, &status); 60715ad82045Snd } else { 6072420dfc95SChris Siden if (hasalt && ztest_opts.zo_verbose >= 1) { 6073420dfc95SChris Siden (void) printf("Executing older ztest: %s\n", 6074420dfc95SChris Siden ztest_opts.zo_alt_ztest); 6075420dfc95SChris Siden } 6076420dfc95SChris Siden older++; 6077420dfc95SChris Siden killed = exec_child(ztest_opts.zo_alt_ztest, 6078420dfc95SChris Siden ztest_opts.zo_alt_libpath, B_TRUE, &status); 6079fa9e4066Sahrens } 6080fa9e4066Sahrens 6081420dfc95SChris Siden if (killed) 6082420dfc95SChris Siden kills++; 6083fa9e4066Sahrens iters++; 6084fa9e4066Sahrens 6085420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6086fa9e4066Sahrens hrtime_t now = gethrtime(); 6087fa9e4066Sahrens 6088b24ab676SJeff Bonwick now = MIN(now, zs->zs_proc_stop); 6089b24ab676SJeff Bonwick print_time(zs->zs_proc_stop - now, timebuf); 6090fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 6091fa9e4066Sahrens 6092fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 6093fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 6094fa9e4066Sahrens iters, 6095fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 6096fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 6097fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 6098fa9e4066Sahrens numbuf, 6099b24ab676SJeff Bonwick 100.0 * (now - zs->zs_proc_start) / 6100420dfc95SChris Siden (ztest_opts.zo_time * NANOSEC), timebuf); 6101fa9e4066Sahrens } 6102fa9e4066Sahrens 6103420dfc95SChris Siden if (ztest_opts.zo_verbose >= 2) { 6104fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 6105fa9e4066Sahrens (void) printf("%7s %9s %s\n", 6106fa9e4066Sahrens "Calls", "Time", "Function"); 6107fa9e4066Sahrens (void) printf("%7s %9s %s\n", 6108fa9e4066Sahrens "-----", "----", "--------"); 6109b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 6110fa9e4066Sahrens Dl_info dli; 6111fa9e4066Sahrens 6112420dfc95SChris Siden zi = &ztest_info[f]; 6113420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 6114420dfc95SChris Siden print_time(zc->zc_time, timebuf); 6115fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 6116fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 6117420dfc95SChris Siden (u_longlong_t)zc->zc_count, timebuf, 6118fa9e4066Sahrens dli.dli_sname); 6119fa9e4066Sahrens } 6120fa9e4066Sahrens (void) printf("\n"); 6121fa9e4066Sahrens } 6122fa9e4066Sahrens 6123fa9e4066Sahrens /* 6124b24ab676SJeff Bonwick * It's possible that we killed a child during a rename test, 6125b24ab676SJeff Bonwick * in which case we'll have a 'ztest_tmp' pool lying around 6126b24ab676SJeff Bonwick * instead of 'ztest'. Do a blind rename in case this happened. 6127fa9e4066Sahrens */ 6128b24ab676SJeff Bonwick kernel_init(FREAD); 6129420dfc95SChris Siden if (spa_open(ztest_opts.zo_pool, &spa, FTAG) == 0) { 6130b24ab676SJeff Bonwick spa_close(spa, FTAG); 6131b24ab676SJeff Bonwick } else { 6132b24ab676SJeff Bonwick char tmpname[MAXNAMELEN]; 6133b24ab676SJeff Bonwick kernel_fini(); 6134b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 6135b24ab676SJeff Bonwick (void) snprintf(tmpname, sizeof (tmpname), "%s_tmp", 6136420dfc95SChris Siden ztest_opts.zo_pool); 6137420dfc95SChris Siden (void) spa_rename(tmpname, ztest_opts.zo_pool); 6138b24ab676SJeff Bonwick } 6139fa9e4066Sahrens kernel_fini(); 6140fa9e4066Sahrens 6141420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 6142b24ab676SJeff Bonwick } 6143fa9e4066Sahrens 6144420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 6145420dfc95SChris Siden if (hasalt) { 6146420dfc95SChris Siden (void) printf("%d runs of older ztest: %s\n", older, 6147420dfc95SChris Siden ztest_opts.zo_alt_ztest); 6148420dfc95SChris Siden (void) printf("%d runs of newer ztest: %s\n", newer, 6149420dfc95SChris Siden cmd); 6150420dfc95SChris Siden } 6151fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 6152fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 6153fa9e4066Sahrens } 6154fa9e4066Sahrens 6155741652b0SEtienne Dechamps umem_free(cmd, MAXNAMELEN); 6156741652b0SEtienne Dechamps 6157fa9e4066Sahrens return (0); 6158fa9e4066Sahrens } 6159