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 /* 22*1195e687SMark J Musante * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens /* 27fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 28fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 29fa9e4066Sahrens * 30fa9e4066Sahrens * The overall design of the ztest program is as follows: 31fa9e4066Sahrens * 32fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 33fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 34fa9e4066Sahrens * we have a simple routine to test that functionality. These 35fa9e4066Sahrens * individual routines do not have to do anything "stressful". 36fa9e4066Sahrens * 37fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 38fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 39fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 40fa9e4066Sahrens * 41fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 42fa9e4066Sahrens * verify that self-healing data really works. 43fa9e4066Sahrens * 44fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 45fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 46fa9e4066Sahrens * in which checksum they use and whether they're compressed. 47fa9e4066Sahrens * 48fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 49fa9e4066Sahrens * we run the entire test in a child of the main process. 50fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 51fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 52fa9e4066Sahrens * The parent then runs the test again, using the existing 53fa9e4066Sahrens * storage pool, as many times as desired. 54fa9e4066Sahrens * 55fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 56fa9e4066Sahrens * many of the functional tests record the transaction group number 57fa9e4066Sahrens * as part of their data. When reading old data, they verify that 58fa9e4066Sahrens * the transaction group number is less than the current, open txg. 59fa9e4066Sahrens * If you add a new test, please do this if applicable. 60fa9e4066Sahrens * 61fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 62fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 63fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 64fa9e4066Sahrens * 65fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 66fa9e4066Sahrens * 67fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 68fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 69fa9e4066Sahrens * 70fa9e4066Sahrens * The -N(okill) option will suppress kills, so each child runs to completion. 71fa9e4066Sahrens * This can be useful when you're trying to distinguish temporal incursions 72fa9e4066Sahrens * from plain old race conditions. 73fa9e4066Sahrens */ 74fa9e4066Sahrens 75fa9e4066Sahrens #include <sys/zfs_context.h> 76fa9e4066Sahrens #include <sys/spa.h> 77fa9e4066Sahrens #include <sys/dmu.h> 78fa9e4066Sahrens #include <sys/txg.h> 792fdbea25SAleksandr Guzovskiy #include <sys/dbuf.h> 80fa9e4066Sahrens #include <sys/zap.h> 81fa9e4066Sahrens #include <sys/dmu_objset.h> 82fa9e4066Sahrens #include <sys/poll.h> 83fa9e4066Sahrens #include <sys/stat.h> 84fa9e4066Sahrens #include <sys/time.h> 85fa9e4066Sahrens #include <sys/wait.h> 86fa9e4066Sahrens #include <sys/mman.h> 87fa9e4066Sahrens #include <sys/resource.h> 88fa9e4066Sahrens #include <sys/zio.h> 89fa9e4066Sahrens #include <sys/zil.h> 90b24ab676SJeff Bonwick #include <sys/zil_impl.h> 91fa9e4066Sahrens #include <sys/vdev_impl.h> 92e14bb325SJeff Bonwick #include <sys/vdev_file.h> 93fa9e4066Sahrens #include <sys/spa_impl.h> 9488ecc943SGeorge Wilson #include <sys/metaslab_impl.h> 95fa9e4066Sahrens #include <sys/dsl_prop.h> 964f5064b7SMark J Musante #include <sys/dsl_dataset.h> 97fa9e4066Sahrens #include <sys/refcount.h> 98fa9e4066Sahrens #include <stdio.h> 99004388ebScasper #include <stdio_ext.h> 100fa9e4066Sahrens #include <stdlib.h> 101fa9e4066Sahrens #include <unistd.h> 102fa9e4066Sahrens #include <signal.h> 103fa9e4066Sahrens #include <umem.h> 104fa9e4066Sahrens #include <dlfcn.h> 105fa9e4066Sahrens #include <ctype.h> 106fa9e4066Sahrens #include <math.h> 107fa9e4066Sahrens #include <sys/fs/zfs.h> 108b24ab676SJeff Bonwick #include <libnvpair.h> 109fa9e4066Sahrens 110fa9e4066Sahrens static char cmdname[] = "ztest"; 111fa9e4066Sahrens static char *zopt_pool = cmdname; 112fa9e4066Sahrens 113fa9e4066Sahrens static uint64_t zopt_vdevs = 5; 114fa9e4066Sahrens static uint64_t zopt_vdevtime; 115ecc2d604Sbonwick static int zopt_ashift = SPA_MINBLOCKSHIFT; 116fa9e4066Sahrens static int zopt_mirrors = 2; 117fa9e4066Sahrens static int zopt_raidz = 4; 11899653d4eSeschrock static int zopt_raidz_parity = 1; 119fa9e4066Sahrens static size_t zopt_vdev_size = SPA_MINDEVSIZE; 120ecc2d604Sbonwick static int zopt_datasets = 7; 121fa9e4066Sahrens static int zopt_threads = 23; 122fa9e4066Sahrens static uint64_t zopt_passtime = 60; /* 60 seconds */ 123fa9e4066Sahrens static uint64_t zopt_killrate = 70; /* 70% kill rate */ 124fa9e4066Sahrens static int zopt_verbose = 0; 125fa9e4066Sahrens static int zopt_init = 1; 126fa9e4066Sahrens static char *zopt_dir = "/tmp"; 127fa9e4066Sahrens static uint64_t zopt_time = 300; /* 5 minutes */ 128fa9e4066Sahrens 129b24ab676SJeff Bonwick #define BT_MAGIC 0x123456789abcdefULL 130*1195e687SMark J Musante #define MAXFAULTS() (MAX(zs->zs_mirrors, 1) * (zopt_raidz_parity + 1) - 1) 131b24ab676SJeff Bonwick 132b24ab676SJeff Bonwick enum ztest_io_type { 133b24ab676SJeff Bonwick ZTEST_IO_WRITE_TAG, 134b24ab676SJeff Bonwick ZTEST_IO_WRITE_PATTERN, 135b24ab676SJeff Bonwick ZTEST_IO_WRITE_ZEROES, 136b24ab676SJeff Bonwick ZTEST_IO_TRUNCATE, 137b24ab676SJeff Bonwick ZTEST_IO_SETATTR, 138b24ab676SJeff Bonwick ZTEST_IO_TYPES 139b24ab676SJeff Bonwick }; 140b24ab676SJeff Bonwick 141e05725b1Sbonwick typedef struct ztest_block_tag { 142b24ab676SJeff Bonwick uint64_t bt_magic; 143e05725b1Sbonwick uint64_t bt_objset; 144e05725b1Sbonwick uint64_t bt_object; 145e05725b1Sbonwick uint64_t bt_offset; 146b24ab676SJeff Bonwick uint64_t bt_gen; 147e05725b1Sbonwick uint64_t bt_txg; 148b24ab676SJeff Bonwick uint64_t bt_crtxg; 149e05725b1Sbonwick } ztest_block_tag_t; 150e05725b1Sbonwick 151b24ab676SJeff Bonwick typedef struct bufwad { 152b24ab676SJeff Bonwick uint64_t bw_index; 153b24ab676SJeff Bonwick uint64_t bw_txg; 154b24ab676SJeff Bonwick uint64_t bw_data; 155b24ab676SJeff Bonwick } bufwad_t; 156b24ab676SJeff Bonwick 157b24ab676SJeff Bonwick /* 158b24ab676SJeff Bonwick * XXX -- fix zfs range locks to be generic so we can use them here. 159b24ab676SJeff Bonwick */ 160b24ab676SJeff Bonwick typedef enum { 161b24ab676SJeff Bonwick RL_READER, 162b24ab676SJeff Bonwick RL_WRITER, 163b24ab676SJeff Bonwick RL_APPEND 164b24ab676SJeff Bonwick } rl_type_t; 165b24ab676SJeff Bonwick 166b24ab676SJeff Bonwick typedef struct rll { 167b24ab676SJeff Bonwick void *rll_writer; 168b24ab676SJeff Bonwick int rll_readers; 169b24ab676SJeff Bonwick mutex_t rll_lock; 170b24ab676SJeff Bonwick cond_t rll_cv; 171b24ab676SJeff Bonwick } rll_t; 172b24ab676SJeff Bonwick 173b24ab676SJeff Bonwick typedef struct rl { 174b24ab676SJeff Bonwick uint64_t rl_object; 175b24ab676SJeff Bonwick uint64_t rl_offset; 176b24ab676SJeff Bonwick uint64_t rl_size; 177b24ab676SJeff Bonwick rll_t *rl_lock; 178b24ab676SJeff Bonwick } rl_t; 179b24ab676SJeff Bonwick 180b24ab676SJeff Bonwick #define ZTEST_RANGE_LOCKS 64 181b24ab676SJeff Bonwick #define ZTEST_OBJECT_LOCKS 64 182b24ab676SJeff Bonwick 183b24ab676SJeff Bonwick /* 184b24ab676SJeff Bonwick * Object descriptor. Used as a template for object lookup/create/remove. 185b24ab676SJeff Bonwick */ 186b24ab676SJeff Bonwick typedef struct ztest_od { 187b24ab676SJeff Bonwick uint64_t od_dir; 188b24ab676SJeff Bonwick uint64_t od_object; 189b24ab676SJeff Bonwick dmu_object_type_t od_type; 190b24ab676SJeff Bonwick dmu_object_type_t od_crtype; 191b24ab676SJeff Bonwick uint64_t od_blocksize; 192b24ab676SJeff Bonwick uint64_t od_crblocksize; 193b24ab676SJeff Bonwick uint64_t od_gen; 194b24ab676SJeff Bonwick uint64_t od_crgen; 195b24ab676SJeff Bonwick char od_name[MAXNAMELEN]; 196b24ab676SJeff Bonwick } ztest_od_t; 197fa9e4066Sahrens 198b24ab676SJeff Bonwick /* 199b24ab676SJeff Bonwick * Per-dataset state. 200b24ab676SJeff Bonwick */ 201b24ab676SJeff Bonwick typedef struct ztest_ds { 202b24ab676SJeff Bonwick objset_t *zd_os; 203b24ab676SJeff Bonwick zilog_t *zd_zilog; 204b24ab676SJeff Bonwick uint64_t zd_seq; 205b24ab676SJeff Bonwick ztest_od_t *zd_od; /* debugging aid */ 206b24ab676SJeff Bonwick char zd_name[MAXNAMELEN]; 207b24ab676SJeff Bonwick mutex_t zd_dirobj_lock; 208b24ab676SJeff Bonwick rll_t zd_object_lock[ZTEST_OBJECT_LOCKS]; 209b24ab676SJeff Bonwick rll_t zd_range_lock[ZTEST_RANGE_LOCKS]; 210b24ab676SJeff Bonwick } ztest_ds_t; 211b24ab676SJeff Bonwick 212b24ab676SJeff Bonwick /* 213b24ab676SJeff Bonwick * Per-iteration state. 214b24ab676SJeff Bonwick */ 215b24ab676SJeff Bonwick typedef void ztest_func_t(ztest_ds_t *zd, uint64_t id); 216b24ab676SJeff Bonwick 217b24ab676SJeff Bonwick typedef struct ztest_info { 218b24ab676SJeff Bonwick ztest_func_t *zi_func; /* test function */ 219b24ab676SJeff Bonwick uint64_t zi_iters; /* iterations per execution */ 220b24ab676SJeff Bonwick uint64_t *zi_interval; /* execute every <interval> seconds */ 221b24ab676SJeff Bonwick uint64_t zi_call_count; /* per-pass count */ 222b24ab676SJeff Bonwick uint64_t zi_call_time; /* per-pass time */ 223b24ab676SJeff Bonwick uint64_t zi_call_next; /* next time to call this function */ 224b24ab676SJeff Bonwick } ztest_info_t; 225fa9e4066Sahrens 226fa9e4066Sahrens /* 227fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 228fa9e4066Sahrens */ 229fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 230fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 231fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 232d20e665cSRicardo M. Correia ztest_func_t ztest_dmu_commit_callbacks; 233fa9e4066Sahrens ztest_func_t ztest_zap; 234fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 235b24ab676SJeff Bonwick ztest_func_t ztest_zil_commit; 236b24ab676SJeff Bonwick ztest_func_t ztest_dmu_read_write_zcopy; 237fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 238b24ab676SJeff Bonwick ztest_func_t ztest_dmu_prealloc; 239b24ab676SJeff Bonwick ztest_func_t ztest_fzap; 240fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 241b24ab676SJeff Bonwick ztest_func_t ztest_dsl_prop_get_set; 242b24ab676SJeff Bonwick ztest_func_t ztest_spa_prop_get_set; 243fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 244fa9e4066Sahrens ztest_func_t ztest_fault_inject; 245b24ab676SJeff Bonwick ztest_func_t ztest_ddt_repair; 246b24ab676SJeff Bonwick ztest_func_t ztest_dmu_snapshot_hold; 247e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 248b24ab676SJeff Bonwick ztest_func_t ztest_scrub; 249b24ab676SJeff Bonwick ztest_func_t ztest_dsl_dataset_promote_busy; 250fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 251fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 252fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 253e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 254*1195e687SMark J Musante ztest_func_t ztest_split_pool; 255fa9e4066Sahrens 256b24ab676SJeff Bonwick uint64_t zopt_always = 0ULL * NANOSEC; /* all the time */ 257b24ab676SJeff Bonwick uint64_t zopt_incessant = 1ULL * NANOSEC / 10; /* every 1/10 second */ 258b24ab676SJeff Bonwick uint64_t zopt_often = 1ULL * NANOSEC; /* every second */ 259b24ab676SJeff Bonwick uint64_t zopt_sometimes = 10ULL * NANOSEC; /* every 10 seconds */ 260b24ab676SJeff Bonwick uint64_t zopt_rarely = 60ULL * NANOSEC; /* every 60 seconds */ 261fa9e4066Sahrens 262fa9e4066Sahrens ztest_info_t ztest_info[] = { 263e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 264b24ab676SJeff Bonwick { ztest_dmu_write_parallel, 10, &zopt_always }, 265e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 266b24ab676SJeff Bonwick { ztest_dmu_commit_callbacks, 1, &zopt_always }, 267e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 268e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 269*1195e687SMark J Musante { ztest_split_pool, 1, &zopt_always }, 270b24ab676SJeff Bonwick { ztest_zil_commit, 1, &zopt_incessant }, 271b24ab676SJeff Bonwick { ztest_dmu_read_write_zcopy, 1, &zopt_often }, 272b24ab676SJeff Bonwick { ztest_dmu_objset_create_destroy, 1, &zopt_often }, 273b24ab676SJeff Bonwick { ztest_dsl_prop_get_set, 1, &zopt_often }, 274b24ab676SJeff Bonwick { ztest_spa_prop_get_set, 1, &zopt_sometimes }, 275b24ab676SJeff Bonwick #if 0 276b24ab676SJeff Bonwick { ztest_dmu_prealloc, 1, &zopt_sometimes }, 277b24ab676SJeff Bonwick #endif 278b24ab676SJeff Bonwick { ztest_fzap, 1, &zopt_sometimes }, 279b24ab676SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 280b24ab676SJeff Bonwick { ztest_spa_create_destroy, 1, &zopt_sometimes }, 281e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 282b24ab676SJeff Bonwick { ztest_ddt_repair, 1, &zopt_sometimes }, 2835c987a37SChris Kirby { ztest_dmu_snapshot_hold, 1, &zopt_sometimes }, 284e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 285b24ab676SJeff Bonwick { ztest_scrub, 1, &zopt_rarely }, 286b24ab676SJeff Bonwick { ztest_dsl_dataset_promote_busy, 1, &zopt_rarely }, 287e14bb325SJeff Bonwick { ztest_vdev_attach_detach, 1, &zopt_rarely }, 288e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 289e14bb325SJeff Bonwick { ztest_vdev_add_remove, 1, &zopt_vdevtime }, 290e14bb325SJeff Bonwick { ztest_vdev_aux_add_remove, 1, &zopt_vdevtime }, 291fa9e4066Sahrens }; 292fa9e4066Sahrens 293fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 294fa9e4066Sahrens 295d20e665cSRicardo M. Correia /* 296d20e665cSRicardo M. Correia * The following struct is used to hold a list of uncalled commit callbacks. 297d20e665cSRicardo M. Correia * The callbacks are ordered by txg number. 298d20e665cSRicardo M. Correia */ 299d20e665cSRicardo M. Correia typedef struct ztest_cb_list { 300d20e665cSRicardo M. Correia mutex_t zcl_callbacks_lock; 301d20e665cSRicardo M. Correia list_t zcl_callbacks; 302d20e665cSRicardo M. Correia } ztest_cb_list_t; 303d20e665cSRicardo M. Correia 304fa9e4066Sahrens /* 305fa9e4066Sahrens * Stuff we need to share writably between parent and child. 306fa9e4066Sahrens */ 307fa9e4066Sahrens typedef struct ztest_shared { 308b24ab676SJeff Bonwick char *zs_pool; 309b24ab676SJeff Bonwick spa_t *zs_spa; 310b24ab676SJeff Bonwick hrtime_t zs_proc_start; 311b24ab676SJeff Bonwick hrtime_t zs_proc_stop; 312b24ab676SJeff Bonwick hrtime_t zs_thread_start; 313b24ab676SJeff Bonwick hrtime_t zs_thread_stop; 314b24ab676SJeff Bonwick hrtime_t zs_thread_kill; 315b24ab676SJeff Bonwick uint64_t zs_enospc_count; 31688ecc943SGeorge Wilson uint64_t zs_vdev_next_leaf; 317e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 318fa9e4066Sahrens uint64_t zs_alloc; 319fa9e4066Sahrens uint64_t zs_space; 320b24ab676SJeff Bonwick mutex_t zs_vdev_lock; 321b24ab676SJeff Bonwick rwlock_t zs_name_lock; 322fa9e4066Sahrens ztest_info_t zs_info[ZTEST_FUNCS]; 323*1195e687SMark J Musante uint64_t zs_splits; 324*1195e687SMark J Musante uint64_t zs_mirrors; 325b24ab676SJeff Bonwick ztest_ds_t zs_zd[]; 326fa9e4066Sahrens } ztest_shared_t; 327fa9e4066Sahrens 328b24ab676SJeff Bonwick #define ID_PARALLEL -1ULL 329b24ab676SJeff Bonwick 330fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 331e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 332b24ab676SJeff Bonwick ztest_shared_t *ztest_shared; 333b24ab676SJeff Bonwick uint64_t *ztest_seq; 334fa9e4066Sahrens 335fa9e4066Sahrens static int ztest_random_fd; 336fa9e4066Sahrens static int ztest_dump_core = 1; 337fa9e4066Sahrens 338e14bb325SJeff Bonwick static boolean_t ztest_exiting; 3390a4e9518Sgw 340d20e665cSRicardo M. Correia /* Global commit callback list */ 341d20e665cSRicardo M. Correia static ztest_cb_list_t zcl; 342d20e665cSRicardo M. Correia 343e05725b1Sbonwick extern uint64_t metaslab_gang_bang; 344d6e555bdSGeorge Wilson extern uint64_t metaslab_df_alloc_threshold; 345b24ab676SJeff Bonwick static uint64_t metaslab_sz; 346fa9e4066Sahrens 347b24ab676SJeff Bonwick enum ztest_object { 348b24ab676SJeff Bonwick ZTEST_META_DNODE = 0, 349b24ab676SJeff Bonwick ZTEST_DIROBJ, 350b24ab676SJeff Bonwick ZTEST_OBJECTS 351b24ab676SJeff Bonwick }; 352fa9e4066Sahrens 3531ce825d8Sraf static void usage(boolean_t) __NORETURN; 354f1b4288bSvb 355fa9e4066Sahrens /* 356fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 357fa9e4066Sahrens * debugging facilities. 358fa9e4066Sahrens */ 359fa9e4066Sahrens const char * 360fa9e4066Sahrens _umem_debug_init() 361fa9e4066Sahrens { 362fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 363fa9e4066Sahrens } 364fa9e4066Sahrens 365fa9e4066Sahrens const char * 366fa9e4066Sahrens _umem_logging_init(void) 367fa9e4066Sahrens { 368fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 369fa9e4066Sahrens } 370fa9e4066Sahrens 371fa9e4066Sahrens #define FATAL_MSG_SZ 1024 372fa9e4066Sahrens 373fa9e4066Sahrens char *fatal_msg; 374fa9e4066Sahrens 375fa9e4066Sahrens static void 376fa9e4066Sahrens fatal(int do_perror, char *message, ...) 377fa9e4066Sahrens { 378fa9e4066Sahrens va_list args; 379fa9e4066Sahrens int save_errno = errno; 380fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 381fa9e4066Sahrens 382fa9e4066Sahrens (void) fflush(stdout); 383fa9e4066Sahrens 384fa9e4066Sahrens va_start(args, message); 385fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 386fa9e4066Sahrens /* LINTED */ 387fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 388fa9e4066Sahrens va_end(args); 389fa9e4066Sahrens if (do_perror) { 390fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 391fa9e4066Sahrens ": %s", strerror(save_errno)); 392fa9e4066Sahrens } 393fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 394fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 395fa9e4066Sahrens if (ztest_dump_core) 396fa9e4066Sahrens abort(); 397fa9e4066Sahrens exit(3); 398fa9e4066Sahrens } 399fa9e4066Sahrens 400fa9e4066Sahrens static int 401fa9e4066Sahrens str2shift(const char *buf) 402fa9e4066Sahrens { 403fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 404fa9e4066Sahrens int i; 405fa9e4066Sahrens 406fa9e4066Sahrens if (buf[0] == '\0') 407fa9e4066Sahrens return (0); 408fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 409fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 410fa9e4066Sahrens break; 411fa9e4066Sahrens } 412f1b4288bSvb if (i == strlen(ends)) { 413f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 414f1b4288bSvb buf); 415f1b4288bSvb usage(B_FALSE); 416f1b4288bSvb } 417fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 418fa9e4066Sahrens return (10*i); 419fa9e4066Sahrens } 420f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 421f1b4288bSvb usage(B_FALSE); 422f1b4288bSvb /* NOTREACHED */ 423fa9e4066Sahrens } 424fa9e4066Sahrens 425fa9e4066Sahrens static uint64_t 426fa9e4066Sahrens nicenumtoull(const char *buf) 427fa9e4066Sahrens { 428fa9e4066Sahrens char *end; 429fa9e4066Sahrens uint64_t val; 430fa9e4066Sahrens 431fa9e4066Sahrens val = strtoull(buf, &end, 0); 432fa9e4066Sahrens if (end == buf) { 433f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 434f1b4288bSvb usage(B_FALSE); 435fa9e4066Sahrens } else if (end[0] == '.') { 436fa9e4066Sahrens double fval = strtod(buf, &end); 437fa9e4066Sahrens fval *= pow(2, str2shift(end)); 438f1b4288bSvb if (fval > UINT64_MAX) { 439f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 440f1b4288bSvb buf); 441f1b4288bSvb usage(B_FALSE); 442f1b4288bSvb } 443fa9e4066Sahrens val = (uint64_t)fval; 444fa9e4066Sahrens } else { 445fa9e4066Sahrens int shift = str2shift(end); 446f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 447f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 448f1b4288bSvb buf); 449f1b4288bSvb usage(B_FALSE); 450f1b4288bSvb } 451fa9e4066Sahrens val <<= shift; 452fa9e4066Sahrens } 453fa9e4066Sahrens return (val); 454fa9e4066Sahrens } 455fa9e4066Sahrens 456fa9e4066Sahrens static void 457f1b4288bSvb usage(boolean_t requested) 458fa9e4066Sahrens { 459fa9e4066Sahrens char nice_vdev_size[10]; 460fa9e4066Sahrens char nice_gang_bang[10]; 461f1b4288bSvb FILE *fp = requested ? stdout : stderr; 462fa9e4066Sahrens 463fa9e4066Sahrens nicenum(zopt_vdev_size, nice_vdev_size); 464e05725b1Sbonwick nicenum(metaslab_gang_bang, nice_gang_bang); 465fa9e4066Sahrens 466f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 467fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 468fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 469ecc2d604Sbonwick "\t[-a alignment_shift (default: %d) (use 0 for random)]\n" 470fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 471fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 47299653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 473fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 474fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 475fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 476fa9e4066Sahrens "\t[-i initialize pool i times (default: %d)]\n" 477fa9e4066Sahrens "\t[-k kill percentage (default: %llu%%)]\n" 478fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 479fa9e4066Sahrens "\t[-f file directory for vdev files (default: %s)]\n" 480fa9e4066Sahrens "\t[-V(erbose)] (use multiple times for ever more blather)\n" 481ecc2d604Sbonwick "\t[-E(xisting)] (use existing pool instead of creating new one)\n" 482fa9e4066Sahrens "\t[-T time] total run time (default: %llu sec)\n" 483fa9e4066Sahrens "\t[-P passtime] time per pass (default: %llu sec)\n" 484f1b4288bSvb "\t[-h] (print help)\n" 485fa9e4066Sahrens "", 486fa9e4066Sahrens cmdname, 4870a4e9518Sgw (u_longlong_t)zopt_vdevs, /* -v */ 4880a4e9518Sgw nice_vdev_size, /* -s */ 4890a4e9518Sgw zopt_ashift, /* -a */ 4900a4e9518Sgw zopt_mirrors, /* -m */ 4910a4e9518Sgw zopt_raidz, /* -r */ 4920a4e9518Sgw zopt_raidz_parity, /* -R */ 4930a4e9518Sgw zopt_datasets, /* -d */ 4940a4e9518Sgw zopt_threads, /* -t */ 4950a4e9518Sgw nice_gang_bang, /* -g */ 4960a4e9518Sgw zopt_init, /* -i */ 4970a4e9518Sgw (u_longlong_t)zopt_killrate, /* -k */ 4980a4e9518Sgw zopt_pool, /* -p */ 4990a4e9518Sgw zopt_dir, /* -f */ 5000a4e9518Sgw (u_longlong_t)zopt_time, /* -T */ 501e14bb325SJeff Bonwick (u_longlong_t)zopt_passtime); /* -P */ 502f1b4288bSvb exit(requested ? 0 : 1); 503fa9e4066Sahrens } 504fa9e4066Sahrens 505fa9e4066Sahrens static void 506fa9e4066Sahrens process_options(int argc, char **argv) 507fa9e4066Sahrens { 508fa9e4066Sahrens int opt; 509fa9e4066Sahrens uint64_t value; 510fa9e4066Sahrens 511fa9e4066Sahrens /* By default, test gang blocks for blocks 32K and greater */ 512e05725b1Sbonwick metaslab_gang_bang = 32 << 10; 513fa9e4066Sahrens 514fa9e4066Sahrens while ((opt = getopt(argc, argv, 515e14bb325SJeff Bonwick "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:h")) != EOF) { 516fa9e4066Sahrens value = 0; 517fa9e4066Sahrens switch (opt) { 5183d7072f8Seschrock case 'v': 5193d7072f8Seschrock case 's': 5203d7072f8Seschrock case 'a': 5213d7072f8Seschrock case 'm': 5223d7072f8Seschrock case 'r': 5233d7072f8Seschrock case 'R': 5243d7072f8Seschrock case 'd': 5253d7072f8Seschrock case 't': 5263d7072f8Seschrock case 'g': 5273d7072f8Seschrock case 'i': 5283d7072f8Seschrock case 'k': 5293d7072f8Seschrock case 'T': 5303d7072f8Seschrock case 'P': 531fa9e4066Sahrens value = nicenumtoull(optarg); 532fa9e4066Sahrens } 533fa9e4066Sahrens switch (opt) { 5343d7072f8Seschrock case 'v': 535fa9e4066Sahrens zopt_vdevs = value; 536fa9e4066Sahrens break; 5373d7072f8Seschrock case 's': 538fa9e4066Sahrens zopt_vdev_size = MAX(SPA_MINDEVSIZE, value); 539fa9e4066Sahrens break; 5403d7072f8Seschrock case 'a': 541ecc2d604Sbonwick zopt_ashift = value; 542ecc2d604Sbonwick break; 5433d7072f8Seschrock case 'm': 544fa9e4066Sahrens zopt_mirrors = value; 545fa9e4066Sahrens break; 5463d7072f8Seschrock case 'r': 547fa9e4066Sahrens zopt_raidz = MAX(1, value); 548fa9e4066Sahrens break; 5493d7072f8Seschrock case 'R': 550f94275ceSAdam Leventhal zopt_raidz_parity = MIN(MAX(value, 1), 3); 55199653d4eSeschrock break; 5523d7072f8Seschrock case 'd': 553ecc2d604Sbonwick zopt_datasets = MAX(1, value); 554fa9e4066Sahrens break; 5553d7072f8Seschrock case 't': 556fa9e4066Sahrens zopt_threads = MAX(1, value); 557fa9e4066Sahrens break; 5583d7072f8Seschrock case 'g': 559e05725b1Sbonwick metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, value); 560fa9e4066Sahrens break; 5613d7072f8Seschrock case 'i': 562fa9e4066Sahrens zopt_init = value; 563fa9e4066Sahrens break; 5643d7072f8Seschrock case 'k': 565fa9e4066Sahrens zopt_killrate = value; 566fa9e4066Sahrens break; 5673d7072f8Seschrock case 'p': 568fa9e4066Sahrens zopt_pool = strdup(optarg); 569fa9e4066Sahrens break; 5703d7072f8Seschrock case 'f': 571fa9e4066Sahrens zopt_dir = strdup(optarg); 572fa9e4066Sahrens break; 5733d7072f8Seschrock case 'V': 574fa9e4066Sahrens zopt_verbose++; 575fa9e4066Sahrens break; 5763d7072f8Seschrock case 'E': 577fa9e4066Sahrens zopt_init = 0; 578fa9e4066Sahrens break; 5793d7072f8Seschrock case 'T': 580fa9e4066Sahrens zopt_time = value; 581fa9e4066Sahrens break; 5823d7072f8Seschrock case 'P': 583fa9e4066Sahrens zopt_passtime = MAX(1, value); 584fa9e4066Sahrens break; 5853d7072f8Seschrock case 'h': 586f1b4288bSvb usage(B_TRUE); 587f1b4288bSvb break; 5883d7072f8Seschrock case '?': 5893d7072f8Seschrock default: 590f1b4288bSvb usage(B_FALSE); 591fa9e4066Sahrens break; 592fa9e4066Sahrens } 593fa9e4066Sahrens } 594fa9e4066Sahrens 59599653d4eSeschrock zopt_raidz_parity = MIN(zopt_raidz_parity, zopt_raidz - 1); 59699653d4eSeschrock 597b24ab676SJeff Bonwick zopt_vdevtime = (zopt_vdevs > 0 ? zopt_time * NANOSEC / zopt_vdevs : 598b24ab676SJeff Bonwick UINT64_MAX >> 2); 599fa9e4066Sahrens } 600fa9e4066Sahrens 601b24ab676SJeff Bonwick static void 602b24ab676SJeff Bonwick ztest_kill(ztest_shared_t *zs) 603b24ab676SJeff Bonwick { 604b24ab676SJeff Bonwick zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(zs->zs_spa)); 605b24ab676SJeff Bonwick zs->zs_space = metaslab_class_get_space(spa_normal_class(zs->zs_spa)); 606b24ab676SJeff Bonwick (void) kill(getpid(), SIGKILL); 607b24ab676SJeff Bonwick } 608b24ab676SJeff Bonwick 609b24ab676SJeff Bonwick static uint64_t 610b24ab676SJeff Bonwick ztest_random(uint64_t range) 611b24ab676SJeff Bonwick { 612b24ab676SJeff Bonwick uint64_t r; 613b24ab676SJeff Bonwick 614b24ab676SJeff Bonwick if (range == 0) 615b24ab676SJeff Bonwick return (0); 616b24ab676SJeff Bonwick 617b24ab676SJeff Bonwick if (read(ztest_random_fd, &r, sizeof (r)) != sizeof (r)) 618b24ab676SJeff Bonwick fatal(1, "short read from /dev/urandom"); 619b24ab676SJeff Bonwick 620b24ab676SJeff Bonwick return (r % range); 621b24ab676SJeff Bonwick } 622b24ab676SJeff Bonwick 623b24ab676SJeff Bonwick /* ARGSUSED */ 624b24ab676SJeff Bonwick static void 625b24ab676SJeff Bonwick ztest_record_enospc(const char *s) 626b24ab676SJeff Bonwick { 627b24ab676SJeff Bonwick ztest_shared->zs_enospc_count++; 628b24ab676SJeff Bonwick } 629b24ab676SJeff Bonwick 630ecc2d604Sbonwick static uint64_t 631ecc2d604Sbonwick ztest_get_ashift(void) 632ecc2d604Sbonwick { 633ecc2d604Sbonwick if (zopt_ashift == 0) 634ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 635ecc2d604Sbonwick return (zopt_ashift); 636ecc2d604Sbonwick } 637ecc2d604Sbonwick 638fa9e4066Sahrens static nvlist_t * 639e14bb325SJeff Bonwick make_vdev_file(char *path, char *aux, size_t size, uint64_t ashift) 640fa9e4066Sahrens { 641e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 642fa9e4066Sahrens uint64_t vdev; 643fa9e4066Sahrens nvlist_t *file; 644fa9e4066Sahrens 645e14bb325SJeff Bonwick if (ashift == 0) 646e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 647e14bb325SJeff Bonwick 648e14bb325SJeff Bonwick if (path == NULL) { 649e14bb325SJeff Bonwick path = pathbuf; 650fa9e4066Sahrens 651e14bb325SJeff Bonwick if (aux != NULL) { 652e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 653e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, 654e14bb325SJeff Bonwick zopt_dir, zopt_pool, aux, vdev); 655e14bb325SJeff Bonwick } else { 65688ecc943SGeorge Wilson vdev = ztest_shared->zs_vdev_next_leaf++; 657e14bb325SJeff Bonwick (void) sprintf(path, ztest_dev_template, 658e14bb325SJeff Bonwick zopt_dir, zopt_pool, vdev); 659e14bb325SJeff Bonwick } 660e14bb325SJeff Bonwick } 661e14bb325SJeff Bonwick 662e14bb325SJeff Bonwick if (size != 0) { 663e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 664fa9e4066Sahrens if (fd == -1) 665e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 666fa9e4066Sahrens if (ftruncate(fd, size) != 0) 667e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 668fa9e4066Sahrens (void) close(fd); 669fa9e4066Sahrens } 670fa9e4066Sahrens 671fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 672fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 673e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 674ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 675fa9e4066Sahrens 676fa9e4066Sahrens return (file); 677fa9e4066Sahrens } 678fa9e4066Sahrens 679fa9e4066Sahrens static nvlist_t * 680e14bb325SJeff Bonwick make_vdev_raidz(char *path, char *aux, size_t size, uint64_t ashift, int r) 681fa9e4066Sahrens { 682fa9e4066Sahrens nvlist_t *raidz, **child; 683fa9e4066Sahrens int c; 684fa9e4066Sahrens 685fa9e4066Sahrens if (r < 2) 686e14bb325SJeff Bonwick return (make_vdev_file(path, aux, size, ashift)); 687fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 688fa9e4066Sahrens 689fa9e4066Sahrens for (c = 0; c < r; c++) 690e14bb325SJeff Bonwick child[c] = make_vdev_file(path, aux, size, ashift); 691fa9e4066Sahrens 692fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 693fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 694fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 69599653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 69699653d4eSeschrock zopt_raidz_parity) == 0); 697fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 698fa9e4066Sahrens child, r) == 0); 699fa9e4066Sahrens 700fa9e4066Sahrens for (c = 0; c < r; c++) 701fa9e4066Sahrens nvlist_free(child[c]); 702fa9e4066Sahrens 703fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 704fa9e4066Sahrens 705fa9e4066Sahrens return (raidz); 706fa9e4066Sahrens } 707fa9e4066Sahrens 708fa9e4066Sahrens static nvlist_t * 709e14bb325SJeff Bonwick make_vdev_mirror(char *path, char *aux, size_t size, uint64_t ashift, 71031157203SJeff Bonwick int r, int m) 711fa9e4066Sahrens { 712fa9e4066Sahrens nvlist_t *mirror, **child; 713fa9e4066Sahrens int c; 714fa9e4066Sahrens 715fa9e4066Sahrens if (m < 1) 716e14bb325SJeff Bonwick return (make_vdev_raidz(path, aux, size, ashift, r)); 717fa9e4066Sahrens 718fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 719fa9e4066Sahrens 720fa9e4066Sahrens for (c = 0; c < m; c++) 721e14bb325SJeff Bonwick child[c] = make_vdev_raidz(path, aux, size, ashift, r); 722fa9e4066Sahrens 723fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 724fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 725fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 726fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 727fa9e4066Sahrens child, m) == 0); 728fa9e4066Sahrens 729fa9e4066Sahrens for (c = 0; c < m; c++) 730fa9e4066Sahrens nvlist_free(child[c]); 731fa9e4066Sahrens 732fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 733fa9e4066Sahrens 734fa9e4066Sahrens return (mirror); 735fa9e4066Sahrens } 736fa9e4066Sahrens 737fa9e4066Sahrens static nvlist_t * 738e14bb325SJeff Bonwick make_vdev_root(char *path, char *aux, size_t size, uint64_t ashift, 739e14bb325SJeff Bonwick int log, int r, int m, int t) 740fa9e4066Sahrens { 741fa9e4066Sahrens nvlist_t *root, **child; 742fa9e4066Sahrens int c; 743fa9e4066Sahrens 744fa9e4066Sahrens ASSERT(t > 0); 745fa9e4066Sahrens 746fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 747fa9e4066Sahrens 74831157203SJeff Bonwick for (c = 0; c < t; c++) { 74931157203SJeff Bonwick child[c] = make_vdev_mirror(path, aux, size, ashift, r, m); 75031157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 75131157203SJeff Bonwick log) == 0); 75231157203SJeff Bonwick } 753fa9e4066Sahrens 754fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 755fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 756e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 757fa9e4066Sahrens child, t) == 0); 758fa9e4066Sahrens 759fa9e4066Sahrens for (c = 0; c < t; c++) 760fa9e4066Sahrens nvlist_free(child[c]); 761fa9e4066Sahrens 762fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 763fa9e4066Sahrens 764fa9e4066Sahrens return (root); 765fa9e4066Sahrens } 766fa9e4066Sahrens 767b24ab676SJeff Bonwick static int 768b24ab676SJeff Bonwick ztest_random_blocksize(void) 769fa9e4066Sahrens { 770b24ab676SJeff Bonwick return (1 << (SPA_MINBLOCKSHIFT + 771b24ab676SJeff Bonwick ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1))); 772b24ab676SJeff Bonwick } 773fa9e4066Sahrens 774b24ab676SJeff Bonwick static int 775b24ab676SJeff Bonwick ztest_random_ibshift(void) 776b24ab676SJeff Bonwick { 777b24ab676SJeff Bonwick return (DN_MIN_INDBLKSHIFT + 778b24ab676SJeff Bonwick ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1)); 779fa9e4066Sahrens } 780fa9e4066Sahrens 781b24ab676SJeff Bonwick static uint64_t 782b24ab676SJeff Bonwick ztest_random_vdev_top(spa_t *spa, boolean_t log_ok) 783fa9e4066Sahrens { 784b24ab676SJeff Bonwick uint64_t top; 785b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 786b24ab676SJeff Bonwick vdev_t *tvd; 787fa9e4066Sahrens 788b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); 789fa9e4066Sahrens 790b24ab676SJeff Bonwick do { 791b24ab676SJeff Bonwick top = ztest_random(rvd->vdev_children); 792b24ab676SJeff Bonwick tvd = rvd->vdev_child[top]; 793b24ab676SJeff Bonwick } while (tvd->vdev_ishole || (tvd->vdev_islog && !log_ok) || 794b24ab676SJeff Bonwick tvd->vdev_mg == NULL || tvd->vdev_mg->mg_class == NULL); 795fa9e4066Sahrens 796b24ab676SJeff Bonwick return (top); 797fa9e4066Sahrens } 798fa9e4066Sahrens 799b24ab676SJeff Bonwick static uint64_t 800b24ab676SJeff Bonwick ztest_random_dsl_prop(zfs_prop_t prop) 801fa9e4066Sahrens { 802b24ab676SJeff Bonwick uint64_t value; 803b24ab676SJeff Bonwick 804b24ab676SJeff Bonwick do { 805b24ab676SJeff Bonwick value = zfs_prop_random_value(prop, ztest_random(-1ULL)); 806b24ab676SJeff Bonwick } while (prop == ZFS_PROP_CHECKSUM && value == ZIO_CHECKSUM_OFF); 807b24ab676SJeff Bonwick 808b24ab676SJeff Bonwick return (value); 809fa9e4066Sahrens } 810fa9e4066Sahrens 811fa9e4066Sahrens static int 812b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(char *osname, zfs_prop_t prop, uint64_t value, 813b24ab676SJeff Bonwick boolean_t inherit) 814fa9e4066Sahrens { 815b24ab676SJeff Bonwick const char *propname = zfs_prop_to_name(prop); 816b24ab676SJeff Bonwick const char *valname; 817b24ab676SJeff Bonwick char setpoint[MAXPATHLEN]; 818b24ab676SJeff Bonwick uint64_t curval; 819fa9e4066Sahrens int error; 820fa9e4066Sahrens 82192241e0bSTom Erickson error = dsl_prop_set(osname, propname, 82292241e0bSTom Erickson (inherit ? ZPROP_SRC_NONE : ZPROP_SRC_LOCAL), 82392241e0bSTom Erickson sizeof (value), 1, &value); 824fa9e4066Sahrens 825b24ab676SJeff Bonwick if (error == ENOSPC) { 826b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 827fa9e4066Sahrens return (error); 828fa9e4066Sahrens } 82999653d4eSeschrock ASSERT3U(error, ==, 0); 830fa9e4066Sahrens 831b24ab676SJeff Bonwick VERIFY3U(dsl_prop_get(osname, propname, sizeof (curval), 832b24ab676SJeff Bonwick 1, &curval, setpoint), ==, 0); 833b24ab676SJeff Bonwick 834b24ab676SJeff Bonwick if (zopt_verbose >= 6) { 835b24ab676SJeff Bonwick VERIFY(zfs_prop_index_to_string(prop, curval, &valname) == 0); 836b24ab676SJeff Bonwick (void) printf("%s %s = %s at '%s'\n", 837b24ab676SJeff Bonwick osname, propname, valname, setpoint); 838fa9e4066Sahrens } 839fa9e4066Sahrens 840fa9e4066Sahrens return (error); 841fa9e4066Sahrens } 842fa9e4066Sahrens 843fa9e4066Sahrens static int 844b24ab676SJeff Bonwick ztest_spa_prop_set_uint64(ztest_shared_t *zs, zpool_prop_t prop, uint64_t value) 845fa9e4066Sahrens { 846b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 847b24ab676SJeff Bonwick nvlist_t *props = NULL; 848fa9e4066Sahrens int error; 849fa9e4066Sahrens 850b24ab676SJeff Bonwick VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 851b24ab676SJeff Bonwick VERIFY(nvlist_add_uint64(props, zpool_prop_to_name(prop), value) == 0); 852fa9e4066Sahrens 853b24ab676SJeff Bonwick error = spa_prop_set(spa, props); 854b24ab676SJeff Bonwick 855b24ab676SJeff Bonwick nvlist_free(props); 856b24ab676SJeff Bonwick 857b24ab676SJeff Bonwick if (error == ENOSPC) { 858b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 859fa9e4066Sahrens return (error); 860fa9e4066Sahrens } 861b24ab676SJeff Bonwick ASSERT3U(error, ==, 0); 862fa9e4066Sahrens 863fa9e4066Sahrens return (error); 864fa9e4066Sahrens } 865fa9e4066Sahrens 866b24ab676SJeff Bonwick static void 867b24ab676SJeff Bonwick ztest_rll_init(rll_t *rll) 868b24ab676SJeff Bonwick { 869b24ab676SJeff Bonwick rll->rll_writer = NULL; 870b24ab676SJeff Bonwick rll->rll_readers = 0; 871b24ab676SJeff Bonwick VERIFY(_mutex_init(&rll->rll_lock, USYNC_THREAD, NULL) == 0); 872b24ab676SJeff Bonwick VERIFY(cond_init(&rll->rll_cv, USYNC_THREAD, NULL) == 0); 873b24ab676SJeff Bonwick } 874fa9e4066Sahrens 875b24ab676SJeff Bonwick static void 876b24ab676SJeff Bonwick ztest_rll_destroy(rll_t *rll) 877fa9e4066Sahrens { 878b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 879b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 880b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&rll->rll_lock) == 0); 881b24ab676SJeff Bonwick VERIFY(cond_destroy(&rll->rll_cv) == 0); 882b24ab676SJeff Bonwick } 883fa9e4066Sahrens 884b24ab676SJeff Bonwick static void 885b24ab676SJeff Bonwick ztest_rll_lock(rll_t *rll, rl_type_t type) 886b24ab676SJeff Bonwick { 887b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 888fa9e4066Sahrens 889b24ab676SJeff Bonwick if (type == RL_READER) { 890b24ab676SJeff Bonwick while (rll->rll_writer != NULL) 891b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 892b24ab676SJeff Bonwick rll->rll_readers++; 893b24ab676SJeff Bonwick } else { 894b24ab676SJeff Bonwick while (rll->rll_writer != NULL || rll->rll_readers) 895b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 896b24ab676SJeff Bonwick rll->rll_writer = curthread; 897b24ab676SJeff Bonwick } 898fa9e4066Sahrens 899b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 900b24ab676SJeff Bonwick } 901fa9e4066Sahrens 902b24ab676SJeff Bonwick static void 903b24ab676SJeff Bonwick ztest_rll_unlock(rll_t *rll) 904b24ab676SJeff Bonwick { 905b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 906fa9e4066Sahrens 907b24ab676SJeff Bonwick if (rll->rll_writer) { 908b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 909b24ab676SJeff Bonwick rll->rll_writer = NULL; 910b24ab676SJeff Bonwick } else { 911b24ab676SJeff Bonwick ASSERT(rll->rll_readers != 0); 912b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 913b24ab676SJeff Bonwick rll->rll_readers--; 914b24ab676SJeff Bonwick } 915fa9e4066Sahrens 916b24ab676SJeff Bonwick if (rll->rll_writer == NULL && rll->rll_readers == 0) 917b24ab676SJeff Bonwick VERIFY(cond_broadcast(&rll->rll_cv) == 0); 918b24ab676SJeff Bonwick 919b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 920fa9e4066Sahrens } 921fa9e4066Sahrens 922b24ab676SJeff Bonwick static void 923b24ab676SJeff Bonwick ztest_object_lock(ztest_ds_t *zd, uint64_t object, rl_type_t type) 92431157203SJeff Bonwick { 925b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 92631157203SJeff Bonwick 927b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 928b24ab676SJeff Bonwick } 92931157203SJeff Bonwick 930b24ab676SJeff Bonwick static void 931b24ab676SJeff Bonwick ztest_object_unlock(ztest_ds_t *zd, uint64_t object) 932b24ab676SJeff Bonwick { 933b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 93431157203SJeff Bonwick 935b24ab676SJeff Bonwick ztest_rll_unlock(rll); 93631157203SJeff Bonwick } 93731157203SJeff Bonwick 938b24ab676SJeff Bonwick static rl_t * 939b24ab676SJeff Bonwick ztest_range_lock(ztest_ds_t *zd, uint64_t object, uint64_t offset, 940b24ab676SJeff Bonwick uint64_t size, rl_type_t type) 94188ecc943SGeorge Wilson { 942b24ab676SJeff Bonwick uint64_t hash = object ^ (offset % (ZTEST_RANGE_LOCKS + 1)); 943b24ab676SJeff Bonwick rll_t *rll = &zd->zd_range_lock[hash & (ZTEST_RANGE_LOCKS - 1)]; 944b24ab676SJeff Bonwick rl_t *rl; 94588ecc943SGeorge Wilson 946b24ab676SJeff Bonwick rl = umem_alloc(sizeof (*rl), UMEM_NOFAIL); 947b24ab676SJeff Bonwick rl->rl_object = object; 948b24ab676SJeff Bonwick rl->rl_offset = offset; 949b24ab676SJeff Bonwick rl->rl_size = size; 950b24ab676SJeff Bonwick rl->rl_lock = rll; 95188ecc943SGeorge Wilson 952b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 95388ecc943SGeorge Wilson 954b24ab676SJeff Bonwick return (rl); 95588ecc943SGeorge Wilson } 95688ecc943SGeorge Wilson 957b24ab676SJeff Bonwick static void 958b24ab676SJeff Bonwick ztest_range_unlock(rl_t *rl) 959fa9e4066Sahrens { 960b24ab676SJeff Bonwick rll_t *rll = rl->rl_lock; 961fa9e4066Sahrens 962b24ab676SJeff Bonwick ztest_rll_unlock(rll); 963fa9e4066Sahrens 964b24ab676SJeff Bonwick umem_free(rl, sizeof (*rl)); 965b24ab676SJeff Bonwick } 966fa9e4066Sahrens 967b24ab676SJeff Bonwick static void 968b24ab676SJeff Bonwick ztest_zd_init(ztest_ds_t *zd, objset_t *os) 969b24ab676SJeff Bonwick { 970b24ab676SJeff Bonwick zd->zd_os = os; 971b24ab676SJeff Bonwick zd->zd_zilog = dmu_objset_zil(os); 972b24ab676SJeff Bonwick zd->zd_seq = 0; 973b24ab676SJeff Bonwick dmu_objset_name(os, zd->zd_name); 974fa9e4066Sahrens 975b24ab676SJeff Bonwick VERIFY(_mutex_init(&zd->zd_dirobj_lock, USYNC_THREAD, NULL) == 0); 976b24ab676SJeff Bonwick 977b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 978b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_object_lock[l]); 979b24ab676SJeff Bonwick 980b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 981b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_range_lock[l]); 982b24ab676SJeff Bonwick } 983b24ab676SJeff Bonwick 984b24ab676SJeff Bonwick static void 985b24ab676SJeff Bonwick ztest_zd_fini(ztest_ds_t *zd) 986b24ab676SJeff Bonwick { 987b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&zd->zd_dirobj_lock) == 0); 988b24ab676SJeff Bonwick 989b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 990b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_object_lock[l]); 991b24ab676SJeff Bonwick 992b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 993b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_range_lock[l]); 994b24ab676SJeff Bonwick } 995b24ab676SJeff Bonwick 996b24ab676SJeff Bonwick #define TXG_MIGHTWAIT (ztest_random(10) == 0 ? TXG_NOWAIT : TXG_WAIT) 997b24ab676SJeff Bonwick 998b24ab676SJeff Bonwick static uint64_t 999b24ab676SJeff Bonwick ztest_tx_assign(dmu_tx_t *tx, uint64_t txg_how, const char *tag) 1000b24ab676SJeff Bonwick { 1001b24ab676SJeff Bonwick uint64_t txg; 1002b24ab676SJeff Bonwick int error; 1003b24ab676SJeff Bonwick 1004b24ab676SJeff Bonwick /* 1005b24ab676SJeff Bonwick * Attempt to assign tx to some transaction group. 1006b24ab676SJeff Bonwick */ 1007b24ab676SJeff Bonwick error = dmu_tx_assign(tx, txg_how); 1008b24ab676SJeff Bonwick if (error) { 1009b24ab676SJeff Bonwick if (error == ERESTART) { 1010b24ab676SJeff Bonwick ASSERT(txg_how == TXG_NOWAIT); 1011b24ab676SJeff Bonwick dmu_tx_wait(tx); 1012b24ab676SJeff Bonwick } else { 1013b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1014b24ab676SJeff Bonwick ztest_record_enospc(tag); 1015b24ab676SJeff Bonwick } 1016b24ab676SJeff Bonwick dmu_tx_abort(tx); 1017b24ab676SJeff Bonwick return (0); 1018b24ab676SJeff Bonwick } 1019b24ab676SJeff Bonwick txg = dmu_tx_get_txg(tx); 1020b24ab676SJeff Bonwick ASSERT(txg != 0); 1021b24ab676SJeff Bonwick return (txg); 1022b24ab676SJeff Bonwick } 1023b24ab676SJeff Bonwick 1024b24ab676SJeff Bonwick static void 1025b24ab676SJeff Bonwick ztest_pattern_set(void *buf, uint64_t size, uint64_t value) 1026b24ab676SJeff Bonwick { 1027b24ab676SJeff Bonwick uint64_t *ip = buf; 1028b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1029b24ab676SJeff Bonwick 1030b24ab676SJeff Bonwick while (ip < ip_end) 1031b24ab676SJeff Bonwick *ip++ = value; 1032b24ab676SJeff Bonwick } 1033b24ab676SJeff Bonwick 1034b24ab676SJeff Bonwick static boolean_t 1035b24ab676SJeff Bonwick ztest_pattern_match(void *buf, uint64_t size, uint64_t value) 1036b24ab676SJeff Bonwick { 1037b24ab676SJeff Bonwick uint64_t *ip = buf; 1038b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1039b24ab676SJeff Bonwick uint64_t diff = 0; 1040b24ab676SJeff Bonwick 1041b24ab676SJeff Bonwick while (ip < ip_end) 1042b24ab676SJeff Bonwick diff |= (value - *ip++); 1043b24ab676SJeff Bonwick 1044b24ab676SJeff Bonwick return (diff == 0); 1045b24ab676SJeff Bonwick } 1046b24ab676SJeff Bonwick 1047b24ab676SJeff Bonwick static void 1048b24ab676SJeff Bonwick ztest_bt_generate(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1049b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1050b24ab676SJeff Bonwick { 1051b24ab676SJeff Bonwick bt->bt_magic = BT_MAGIC; 1052b24ab676SJeff Bonwick bt->bt_objset = dmu_objset_id(os); 1053b24ab676SJeff Bonwick bt->bt_object = object; 1054b24ab676SJeff Bonwick bt->bt_offset = offset; 1055b24ab676SJeff Bonwick bt->bt_gen = gen; 1056b24ab676SJeff Bonwick bt->bt_txg = txg; 1057b24ab676SJeff Bonwick bt->bt_crtxg = crtxg; 1058b24ab676SJeff Bonwick } 1059b24ab676SJeff Bonwick 1060b24ab676SJeff Bonwick static void 1061b24ab676SJeff Bonwick ztest_bt_verify(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1062b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1063b24ab676SJeff Bonwick { 1064b24ab676SJeff Bonwick ASSERT(bt->bt_magic == BT_MAGIC); 1065b24ab676SJeff Bonwick ASSERT(bt->bt_objset == dmu_objset_id(os)); 1066b24ab676SJeff Bonwick ASSERT(bt->bt_object == object); 1067b24ab676SJeff Bonwick ASSERT(bt->bt_offset == offset); 1068b24ab676SJeff Bonwick ASSERT(bt->bt_gen <= gen); 1069b24ab676SJeff Bonwick ASSERT(bt->bt_txg <= txg); 1070b24ab676SJeff Bonwick ASSERT(bt->bt_crtxg == crtxg); 1071b24ab676SJeff Bonwick } 1072b24ab676SJeff Bonwick 1073b24ab676SJeff Bonwick static ztest_block_tag_t * 1074b24ab676SJeff Bonwick ztest_bt_bonus(dmu_buf_t *db) 1075b24ab676SJeff Bonwick { 1076b24ab676SJeff Bonwick dmu_object_info_t doi; 1077b24ab676SJeff Bonwick ztest_block_tag_t *bt; 1078b24ab676SJeff Bonwick 1079b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1080b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, <=, db->db_size); 1081b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, >=, sizeof (*bt)); 1082b24ab676SJeff Bonwick bt = (void *)((char *)db->db_data + doi.doi_bonus_size - sizeof (*bt)); 1083b24ab676SJeff Bonwick 1084b24ab676SJeff Bonwick return (bt); 1085b24ab676SJeff Bonwick } 1086b24ab676SJeff Bonwick 1087b24ab676SJeff Bonwick /* 1088b24ab676SJeff Bonwick * ZIL logging ops 1089b24ab676SJeff Bonwick */ 1090b24ab676SJeff Bonwick 1091b24ab676SJeff Bonwick #define lrz_type lr_mode 1092b24ab676SJeff Bonwick #define lrz_blocksize lr_uid 1093b24ab676SJeff Bonwick #define lrz_ibshift lr_gid 1094b24ab676SJeff Bonwick #define lrz_bonustype lr_rdev 1095b24ab676SJeff Bonwick #define lrz_bonuslen lr_crtime[1] 1096b24ab676SJeff Bonwick 1097b24ab676SJeff Bonwick static uint64_t 1098b24ab676SJeff Bonwick ztest_log_create(ztest_ds_t *zd, dmu_tx_t *tx, lr_create_t *lr) 1099b24ab676SJeff Bonwick { 1100b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1101b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1102b24ab676SJeff Bonwick itx_t *itx; 1103b24ab676SJeff Bonwick 1104b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 1105b24ab676SJeff Bonwick return (0); 1106b24ab676SJeff Bonwick 1107b24ab676SJeff Bonwick itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize); 1108b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1109b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1110b24ab676SJeff Bonwick 1111b24ab676SJeff Bonwick return (zil_itx_assign(zd->zd_zilog, itx, tx)); 1112b24ab676SJeff Bonwick } 1113b24ab676SJeff Bonwick 1114b24ab676SJeff Bonwick static uint64_t 1115b24ab676SJeff Bonwick ztest_log_remove(ztest_ds_t *zd, dmu_tx_t *tx, lr_remove_t *lr) 1116b24ab676SJeff Bonwick { 1117b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1118b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1119b24ab676SJeff Bonwick itx_t *itx; 1120b24ab676SJeff Bonwick 1121b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 1122b24ab676SJeff Bonwick return (0); 1123b24ab676SJeff Bonwick 1124b24ab676SJeff Bonwick itx = zil_itx_create(TX_REMOVE, sizeof (*lr) + namesize); 1125b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1126b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1127b24ab676SJeff Bonwick 1128b24ab676SJeff Bonwick return (zil_itx_assign(zd->zd_zilog, itx, tx)); 1129b24ab676SJeff Bonwick } 1130b24ab676SJeff Bonwick 1131b24ab676SJeff Bonwick static uint64_t 1132b24ab676SJeff Bonwick ztest_log_write(ztest_ds_t *zd, dmu_tx_t *tx, lr_write_t *lr) 1133b24ab676SJeff Bonwick { 1134b24ab676SJeff Bonwick itx_t *itx; 1135b24ab676SJeff Bonwick itx_wr_state_t write_state = ztest_random(WR_NUM_STATES); 1136b24ab676SJeff Bonwick 1137b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 1138b24ab676SJeff Bonwick return (0); 1139b24ab676SJeff Bonwick 1140b24ab676SJeff Bonwick if (lr->lr_length > ZIL_MAX_LOG_DATA) 1141b24ab676SJeff Bonwick write_state = WR_INDIRECT; 1142b24ab676SJeff Bonwick 1143b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, 1144b24ab676SJeff Bonwick sizeof (*lr) + (write_state == WR_COPIED ? lr->lr_length : 0)); 1145b24ab676SJeff Bonwick 1146b24ab676SJeff Bonwick if (write_state == WR_COPIED && 1147b24ab676SJeff Bonwick dmu_read(zd->zd_os, lr->lr_foid, lr->lr_offset, lr->lr_length, 1148b24ab676SJeff Bonwick ((lr_write_t *)&itx->itx_lr) + 1, DMU_READ_NO_PREFETCH) != 0) { 1149b24ab676SJeff Bonwick zil_itx_destroy(itx); 1150b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, sizeof (*lr)); 1151b24ab676SJeff Bonwick write_state = WR_NEED_COPY; 1152b24ab676SJeff Bonwick } 1153b24ab676SJeff Bonwick itx->itx_private = zd; 1154b24ab676SJeff Bonwick itx->itx_wr_state = write_state; 1155b24ab676SJeff Bonwick itx->itx_sync = (ztest_random(8) == 0); 1156b24ab676SJeff Bonwick itx->itx_sod += (write_state == WR_NEED_COPY ? lr->lr_length : 0); 1157b24ab676SJeff Bonwick 1158b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1159b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1160b24ab676SJeff Bonwick 1161b24ab676SJeff Bonwick return (zil_itx_assign(zd->zd_zilog, itx, tx)); 1162b24ab676SJeff Bonwick } 1163b24ab676SJeff Bonwick 1164b24ab676SJeff Bonwick static uint64_t 1165b24ab676SJeff Bonwick ztest_log_truncate(ztest_ds_t *zd, dmu_tx_t *tx, lr_truncate_t *lr) 1166b24ab676SJeff Bonwick { 1167b24ab676SJeff Bonwick itx_t *itx; 1168b24ab676SJeff Bonwick 1169b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 1170b24ab676SJeff Bonwick return (0); 1171b24ab676SJeff Bonwick 1172b24ab676SJeff Bonwick itx = zil_itx_create(TX_TRUNCATE, sizeof (*lr)); 1173b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1174b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1175b24ab676SJeff Bonwick 1176b24ab676SJeff Bonwick return (zil_itx_assign(zd->zd_zilog, itx, tx)); 1177b24ab676SJeff Bonwick } 1178b24ab676SJeff Bonwick 1179b24ab676SJeff Bonwick static uint64_t 1180b24ab676SJeff Bonwick ztest_log_setattr(ztest_ds_t *zd, dmu_tx_t *tx, lr_setattr_t *lr) 1181b24ab676SJeff Bonwick { 1182b24ab676SJeff Bonwick itx_t *itx; 1183b24ab676SJeff Bonwick 1184b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 1185b24ab676SJeff Bonwick return (0); 1186b24ab676SJeff Bonwick 1187b24ab676SJeff Bonwick itx = zil_itx_create(TX_SETATTR, sizeof (*lr)); 1188b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1189b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1190b24ab676SJeff Bonwick 1191b24ab676SJeff Bonwick return (zil_itx_assign(zd->zd_zilog, itx, tx)); 1192b24ab676SJeff Bonwick } 1193b24ab676SJeff Bonwick 1194b24ab676SJeff Bonwick /* 1195b24ab676SJeff Bonwick * ZIL replay ops 1196b24ab676SJeff Bonwick */ 1197b24ab676SJeff Bonwick static int 1198b24ab676SJeff Bonwick ztest_replay_create(ztest_ds_t *zd, lr_create_t *lr, boolean_t byteswap) 1199b24ab676SJeff Bonwick { 1200b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1201b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1202b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1203b24ab676SJeff Bonwick dmu_buf_t *db; 1204b24ab676SJeff Bonwick dmu_tx_t *tx; 1205b24ab676SJeff Bonwick uint64_t txg; 1206b24ab676SJeff Bonwick int error = 0; 1207b24ab676SJeff Bonwick 1208b24ab676SJeff Bonwick if (byteswap) 1209b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1210b24ab676SJeff Bonwick 1211b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1212b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1213b24ab676SJeff Bonwick 1214b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1215b24ab676SJeff Bonwick 1216b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_TRUE, name); 1217b24ab676SJeff Bonwick 1218b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1219b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); 1220b24ab676SJeff Bonwick } else { 1221b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1222b24ab676SJeff Bonwick } 1223b24ab676SJeff Bonwick 1224b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1225b24ab676SJeff Bonwick if (txg == 0) 1226b24ab676SJeff Bonwick return (ENOSPC); 1227b24ab676SJeff Bonwick 1228b24ab676SJeff Bonwick ASSERT(dmu_objset_zil(os)->zl_replay == !!lr->lr_foid); 1229b24ab676SJeff Bonwick 1230b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1231b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1232b24ab676SJeff Bonwick lr->lr_foid = zap_create(os, 1233b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1234b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1235b24ab676SJeff Bonwick } else { 1236b24ab676SJeff Bonwick error = zap_create_claim(os, lr->lr_foid, 1237b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1238b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1239b24ab676SJeff Bonwick } 1240b24ab676SJeff Bonwick } else { 1241b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1242b24ab676SJeff Bonwick lr->lr_foid = dmu_object_alloc(os, 1243b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1244b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1245b24ab676SJeff Bonwick } else { 1246b24ab676SJeff Bonwick error = dmu_object_claim(os, lr->lr_foid, 1247b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1248b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1249b24ab676SJeff Bonwick } 1250b24ab676SJeff Bonwick } 1251b24ab676SJeff Bonwick 1252b24ab676SJeff Bonwick if (error) { 1253b24ab676SJeff Bonwick ASSERT3U(error, ==, EEXIST); 1254b24ab676SJeff Bonwick ASSERT(zd->zd_zilog->zl_replay); 1255b24ab676SJeff Bonwick dmu_tx_commit(tx); 1256b24ab676SJeff Bonwick return (error); 1257b24ab676SJeff Bonwick } 1258b24ab676SJeff Bonwick 1259b24ab676SJeff Bonwick ASSERT(lr->lr_foid != 0); 1260b24ab676SJeff Bonwick 1261b24ab676SJeff Bonwick if (lr->lrz_type != DMU_OT_ZAP_OTHER) 1262b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_object_set_blocksize(os, lr->lr_foid, 1263b24ab676SJeff Bonwick lr->lrz_blocksize, lr->lrz_ibshift, tx)); 1264b24ab676SJeff Bonwick 1265b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1266b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1267b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1268b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_gen, txg, txg); 1269b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1270b24ab676SJeff Bonwick 1271b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_add(os, lr->lr_doid, name, sizeof (uint64_t), 1, 1272b24ab676SJeff Bonwick &lr->lr_foid, tx)); 1273b24ab676SJeff Bonwick 1274b24ab676SJeff Bonwick (void) ztest_log_create(zd, tx, lr); 1275b24ab676SJeff Bonwick 1276b24ab676SJeff Bonwick dmu_tx_commit(tx); 1277b24ab676SJeff Bonwick 1278b24ab676SJeff Bonwick return (0); 1279b24ab676SJeff Bonwick } 1280b24ab676SJeff Bonwick 1281b24ab676SJeff Bonwick static int 1282b24ab676SJeff Bonwick ztest_replay_remove(ztest_ds_t *zd, lr_remove_t *lr, boolean_t byteswap) 1283b24ab676SJeff Bonwick { 1284b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1285b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1286b24ab676SJeff Bonwick dmu_object_info_t doi; 1287b24ab676SJeff Bonwick dmu_tx_t *tx; 1288b24ab676SJeff Bonwick uint64_t object, txg; 1289b24ab676SJeff Bonwick 1290b24ab676SJeff Bonwick if (byteswap) 1291b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1292b24ab676SJeff Bonwick 1293b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1294b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1295b24ab676SJeff Bonwick 1296b24ab676SJeff Bonwick VERIFY3U(0, ==, 1297b24ab676SJeff Bonwick zap_lookup(os, lr->lr_doid, name, sizeof (object), 1, &object)); 1298b24ab676SJeff Bonwick ASSERT(object != 0); 1299b24ab676SJeff Bonwick 1300b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_WRITER); 1301b24ab676SJeff Bonwick 1302b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_object_info(os, object, &doi)); 1303b24ab676SJeff Bonwick 1304b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1305b24ab676SJeff Bonwick 1306b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_FALSE, name); 1307b24ab676SJeff Bonwick dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1308b24ab676SJeff Bonwick 1309b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1310b24ab676SJeff Bonwick if (txg == 0) { 1311b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1312b24ab676SJeff Bonwick return (ENOSPC); 1313b24ab676SJeff Bonwick } 1314b24ab676SJeff Bonwick 1315b24ab676SJeff Bonwick if (doi.doi_type == DMU_OT_ZAP_OTHER) { 1316b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_destroy(os, object, tx)); 1317b24ab676SJeff Bonwick } else { 1318b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_object_free(os, object, tx)); 1319b24ab676SJeff Bonwick } 1320b24ab676SJeff Bonwick 1321b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, lr->lr_doid, name, tx)); 1322b24ab676SJeff Bonwick 1323b24ab676SJeff Bonwick (void) ztest_log_remove(zd, tx, lr); 1324b24ab676SJeff Bonwick 1325b24ab676SJeff Bonwick dmu_tx_commit(tx); 1326b24ab676SJeff Bonwick 1327b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1328b24ab676SJeff Bonwick 1329b24ab676SJeff Bonwick return (0); 1330b24ab676SJeff Bonwick } 1331b24ab676SJeff Bonwick 1332b24ab676SJeff Bonwick static int 1333b24ab676SJeff Bonwick ztest_replay_write(ztest_ds_t *zd, lr_write_t *lr, boolean_t byteswap) 1334b24ab676SJeff Bonwick { 1335b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1336b24ab676SJeff Bonwick void *data = lr + 1; /* data follows lr */ 1337b24ab676SJeff Bonwick uint64_t offset, length; 1338b24ab676SJeff Bonwick ztest_block_tag_t *bt = data; 1339b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1340b24ab676SJeff Bonwick uint64_t gen, txg, lrtxg, crtxg; 1341b24ab676SJeff Bonwick dmu_object_info_t doi; 1342b24ab676SJeff Bonwick dmu_tx_t *tx; 1343b24ab676SJeff Bonwick dmu_buf_t *db; 1344b24ab676SJeff Bonwick arc_buf_t *abuf = NULL; 1345b24ab676SJeff Bonwick rl_t *rl; 1346b24ab676SJeff Bonwick 1347b24ab676SJeff Bonwick if (byteswap) 1348b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1349b24ab676SJeff Bonwick 1350b24ab676SJeff Bonwick offset = lr->lr_offset; 1351b24ab676SJeff Bonwick length = lr->lr_length; 1352b24ab676SJeff Bonwick 1353b24ab676SJeff Bonwick /* If it's a dmu_sync() block, write the whole block */ 1354b24ab676SJeff Bonwick if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 1355b24ab676SJeff Bonwick uint64_t blocksize = BP_GET_LSIZE(&lr->lr_blkptr); 1356b24ab676SJeff Bonwick if (length < blocksize) { 1357b24ab676SJeff Bonwick offset -= offset % blocksize; 1358b24ab676SJeff Bonwick length = blocksize; 1359b24ab676SJeff Bonwick } 1360b24ab676SJeff Bonwick } 1361b24ab676SJeff Bonwick 1362b24ab676SJeff Bonwick if (bt->bt_magic == BSWAP_64(BT_MAGIC)) 1363b24ab676SJeff Bonwick byteswap_uint64_array(bt, sizeof (*bt)); 1364b24ab676SJeff Bonwick 1365b24ab676SJeff Bonwick if (bt->bt_magic != BT_MAGIC) 1366b24ab676SJeff Bonwick bt = NULL; 1367b24ab676SJeff Bonwick 1368b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1369b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, offset, length, RL_WRITER); 1370b24ab676SJeff Bonwick 1371b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1372b24ab676SJeff Bonwick 1373b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1374b24ab676SJeff Bonwick 1375b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1376b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1377b24ab676SJeff Bonwick gen = bbt->bt_gen; 1378b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1379b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1380b24ab676SJeff Bonwick 1381b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1382b24ab676SJeff Bonwick 1383b24ab676SJeff Bonwick dmu_tx_hold_write(tx, lr->lr_foid, offset, length); 1384b24ab676SJeff Bonwick 1385b24ab676SJeff Bonwick if (ztest_random(8) == 0 && length == doi.doi_data_block_size && 1386b24ab676SJeff Bonwick P2PHASE(offset, length) == 0) 1387b24ab676SJeff Bonwick abuf = dmu_request_arcbuf(db, length); 1388b24ab676SJeff Bonwick 1389b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1390b24ab676SJeff Bonwick if (txg == 0) { 1391b24ab676SJeff Bonwick if (abuf != NULL) 1392b24ab676SJeff Bonwick dmu_return_arcbuf(abuf); 1393b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1394b24ab676SJeff Bonwick ztest_range_unlock(rl); 1395b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1396b24ab676SJeff Bonwick return (ENOSPC); 1397b24ab676SJeff Bonwick } 1398b24ab676SJeff Bonwick 1399b24ab676SJeff Bonwick if (bt != NULL) { 1400b24ab676SJeff Bonwick /* 1401b24ab676SJeff Bonwick * Usually, verify the old data before writing new data -- 1402b24ab676SJeff Bonwick * but not always, because we also want to verify correct 1403b24ab676SJeff Bonwick * behavior when the data was not recently read into cache. 1404b24ab676SJeff Bonwick */ 1405b24ab676SJeff Bonwick ASSERT(offset % doi.doi_data_block_size == 0); 1406b24ab676SJeff Bonwick if (ztest_random(4) != 0) { 1407b24ab676SJeff Bonwick int prefetch = ztest_random(2) ? 1408b24ab676SJeff Bonwick DMU_READ_PREFETCH : DMU_READ_NO_PREFETCH; 1409b24ab676SJeff Bonwick ztest_block_tag_t rbt; 1410b24ab676SJeff Bonwick 1411b24ab676SJeff Bonwick VERIFY(dmu_read(os, lr->lr_foid, offset, 1412b24ab676SJeff Bonwick sizeof (rbt), &rbt, prefetch) == 0); 1413b24ab676SJeff Bonwick if (rbt.bt_magic == BT_MAGIC) { 1414b24ab676SJeff Bonwick ztest_bt_verify(&rbt, os, lr->lr_foid, 1415b24ab676SJeff Bonwick offset, gen, txg, crtxg); 1416b24ab676SJeff Bonwick } 1417b24ab676SJeff Bonwick } 1418b24ab676SJeff Bonwick 1419b24ab676SJeff Bonwick /* 1420b24ab676SJeff Bonwick * Writes can appear to be newer than the bonus buffer because 1421b24ab676SJeff Bonwick * the ztest_get_data() callback does a dmu_read() of the 1422b24ab676SJeff Bonwick * open-context data, which may be different than the data 1423b24ab676SJeff Bonwick * as it was when the write was generated. 1424b24ab676SJeff Bonwick */ 1425b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1426b24ab676SJeff Bonwick ztest_bt_verify(bt, os, lr->lr_foid, offset, 1427b24ab676SJeff Bonwick MAX(gen, bt->bt_gen), MAX(txg, lrtxg), 1428b24ab676SJeff Bonwick bt->bt_crtxg); 1429b24ab676SJeff Bonwick } 1430b24ab676SJeff Bonwick 1431b24ab676SJeff Bonwick /* 1432b24ab676SJeff Bonwick * Set the bt's gen/txg to the bonus buffer's gen/txg 1433b24ab676SJeff Bonwick * so that all of the usual ASSERTs will work. 1434b24ab676SJeff Bonwick */ 1435b24ab676SJeff Bonwick ztest_bt_generate(bt, os, lr->lr_foid, offset, gen, txg, crtxg); 1436b24ab676SJeff Bonwick } 1437b24ab676SJeff Bonwick 1438b24ab676SJeff Bonwick if (abuf == NULL) { 1439b24ab676SJeff Bonwick dmu_write(os, lr->lr_foid, offset, length, data, tx); 1440b24ab676SJeff Bonwick } else { 1441b24ab676SJeff Bonwick bcopy(data, abuf->b_data, length); 1442b24ab676SJeff Bonwick dmu_assign_arcbuf(db, offset, abuf, tx); 1443b24ab676SJeff Bonwick } 1444b24ab676SJeff Bonwick 1445b24ab676SJeff Bonwick (void) ztest_log_write(zd, tx, lr); 1446b24ab676SJeff Bonwick 1447b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1448b24ab676SJeff Bonwick 1449b24ab676SJeff Bonwick dmu_tx_commit(tx); 1450b24ab676SJeff Bonwick 1451b24ab676SJeff Bonwick ztest_range_unlock(rl); 1452b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1453b24ab676SJeff Bonwick 1454b24ab676SJeff Bonwick return (0); 1455b24ab676SJeff Bonwick } 1456b24ab676SJeff Bonwick 1457b24ab676SJeff Bonwick static int 1458b24ab676SJeff Bonwick ztest_replay_truncate(ztest_ds_t *zd, lr_truncate_t *lr, boolean_t byteswap) 1459b24ab676SJeff Bonwick { 1460b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1461b24ab676SJeff Bonwick dmu_tx_t *tx; 1462b24ab676SJeff Bonwick uint64_t txg; 1463b24ab676SJeff Bonwick rl_t *rl; 1464b24ab676SJeff Bonwick 1465b24ab676SJeff Bonwick if (byteswap) 1466b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1467b24ab676SJeff Bonwick 1468b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1469b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, lr->lr_offset, lr->lr_length, 1470b24ab676SJeff Bonwick RL_WRITER); 1471b24ab676SJeff Bonwick 1472b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1473b24ab676SJeff Bonwick 1474b24ab676SJeff Bonwick dmu_tx_hold_free(tx, lr->lr_foid, lr->lr_offset, lr->lr_length); 1475b24ab676SJeff Bonwick 1476b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1477b24ab676SJeff Bonwick if (txg == 0) { 1478b24ab676SJeff Bonwick ztest_range_unlock(rl); 1479b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1480b24ab676SJeff Bonwick return (ENOSPC); 1481b24ab676SJeff Bonwick } 1482b24ab676SJeff Bonwick 1483b24ab676SJeff Bonwick VERIFY(dmu_free_range(os, lr->lr_foid, lr->lr_offset, 1484b24ab676SJeff Bonwick lr->lr_length, tx) == 0); 1485b24ab676SJeff Bonwick 1486b24ab676SJeff Bonwick (void) ztest_log_truncate(zd, tx, lr); 1487b24ab676SJeff Bonwick 1488b24ab676SJeff Bonwick dmu_tx_commit(tx); 1489b24ab676SJeff Bonwick 1490b24ab676SJeff Bonwick ztest_range_unlock(rl); 1491b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1492b24ab676SJeff Bonwick 1493b24ab676SJeff Bonwick return (0); 1494b24ab676SJeff Bonwick } 1495b24ab676SJeff Bonwick 1496b24ab676SJeff Bonwick static int 1497b24ab676SJeff Bonwick ztest_replay_setattr(ztest_ds_t *zd, lr_setattr_t *lr, boolean_t byteswap) 1498b24ab676SJeff Bonwick { 1499b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1500b24ab676SJeff Bonwick dmu_tx_t *tx; 1501b24ab676SJeff Bonwick dmu_buf_t *db; 1502b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1503b24ab676SJeff Bonwick uint64_t txg, lrtxg, crtxg; 1504b24ab676SJeff Bonwick 1505b24ab676SJeff Bonwick if (byteswap) 1506b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1507b24ab676SJeff Bonwick 1508b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_WRITER); 1509b24ab676SJeff Bonwick 1510b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1511b24ab676SJeff Bonwick 1512b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1513b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, lr->lr_foid); 1514b24ab676SJeff Bonwick 1515b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1516b24ab676SJeff Bonwick if (txg == 0) { 1517b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1518b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1519b24ab676SJeff Bonwick return (ENOSPC); 1520b24ab676SJeff Bonwick } 1521b24ab676SJeff Bonwick 1522b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1523b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1524b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1525b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1526b24ab676SJeff Bonwick 1527b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1528b24ab676SJeff Bonwick ASSERT(lr->lr_size != 0); 1529b24ab676SJeff Bonwick ASSERT(lr->lr_mode != 0); 1530b24ab676SJeff Bonwick ASSERT(lrtxg != 0); 1531b24ab676SJeff Bonwick } else { 1532b24ab676SJeff Bonwick /* 1533b24ab676SJeff Bonwick * Randomly change the size and increment the generation. 1534b24ab676SJeff Bonwick */ 1535b24ab676SJeff Bonwick lr->lr_size = (ztest_random(db->db_size / sizeof (*bbt)) + 1) * 1536b24ab676SJeff Bonwick sizeof (*bbt); 1537b24ab676SJeff Bonwick lr->lr_mode = bbt->bt_gen + 1; 1538b24ab676SJeff Bonwick ASSERT(lrtxg == 0); 1539b24ab676SJeff Bonwick } 1540b24ab676SJeff Bonwick 1541b24ab676SJeff Bonwick /* 1542b24ab676SJeff Bonwick * Verify that the current bonus buffer is not newer than our txg. 1543b24ab676SJeff Bonwick */ 1544b24ab676SJeff Bonwick ztest_bt_verify(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, 1545b24ab676SJeff Bonwick MAX(txg, lrtxg), crtxg); 1546b24ab676SJeff Bonwick 1547b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1548b24ab676SJeff Bonwick 1549b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, >=, sizeof (*bbt)); 1550b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, <=, db->db_size); 1551b24ab676SJeff Bonwick VERIFY3U(dmu_set_bonus(db, lr->lr_size, tx), ==, 0); 1552b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1553b24ab676SJeff Bonwick 1554b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, txg, crtxg); 1555b24ab676SJeff Bonwick 1556b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1557b24ab676SJeff Bonwick 1558b24ab676SJeff Bonwick (void) ztest_log_setattr(zd, tx, lr); 1559b24ab676SJeff Bonwick 1560b24ab676SJeff Bonwick dmu_tx_commit(tx); 1561b24ab676SJeff Bonwick 1562b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1563b24ab676SJeff Bonwick 1564b24ab676SJeff Bonwick return (0); 1565b24ab676SJeff Bonwick } 1566b24ab676SJeff Bonwick 1567b24ab676SJeff Bonwick zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 1568b24ab676SJeff Bonwick NULL, /* 0 no such transaction type */ 1569b24ab676SJeff Bonwick ztest_replay_create, /* TX_CREATE */ 1570b24ab676SJeff Bonwick NULL, /* TX_MKDIR */ 1571b24ab676SJeff Bonwick NULL, /* TX_MKXATTR */ 1572b24ab676SJeff Bonwick NULL, /* TX_SYMLINK */ 1573b24ab676SJeff Bonwick ztest_replay_remove, /* TX_REMOVE */ 1574b24ab676SJeff Bonwick NULL, /* TX_RMDIR */ 1575b24ab676SJeff Bonwick NULL, /* TX_LINK */ 1576b24ab676SJeff Bonwick NULL, /* TX_RENAME */ 1577b24ab676SJeff Bonwick ztest_replay_write, /* TX_WRITE */ 1578b24ab676SJeff Bonwick ztest_replay_truncate, /* TX_TRUNCATE */ 1579b24ab676SJeff Bonwick ztest_replay_setattr, /* TX_SETATTR */ 1580b24ab676SJeff Bonwick NULL, /* TX_ACL */ 1581b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL */ 1582b24ab676SJeff Bonwick NULL, /* TX_CREATE_ATTR */ 1583b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL_ATTR */ 1584b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL */ 1585b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ATTR */ 1586b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL_ATTR */ 1587b24ab676SJeff Bonwick NULL, /* TX_WRITE2 */ 1588b24ab676SJeff Bonwick }; 1589b24ab676SJeff Bonwick 1590b24ab676SJeff Bonwick /* 1591b24ab676SJeff Bonwick * ZIL get_data callbacks 1592b24ab676SJeff Bonwick */ 1593b24ab676SJeff Bonwick 1594b24ab676SJeff Bonwick static void 1595b24ab676SJeff Bonwick ztest_get_done(zgd_t *zgd, int error) 1596b24ab676SJeff Bonwick { 1597b24ab676SJeff Bonwick ztest_ds_t *zd = zgd->zgd_private; 1598b24ab676SJeff Bonwick uint64_t object = zgd->zgd_rl->rl_object; 1599b24ab676SJeff Bonwick 1600b24ab676SJeff Bonwick if (zgd->zgd_db) 1601b24ab676SJeff Bonwick dmu_buf_rele(zgd->zgd_db, zgd); 1602b24ab676SJeff Bonwick 1603b24ab676SJeff Bonwick ztest_range_unlock(zgd->zgd_rl); 1604b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1605b24ab676SJeff Bonwick 1606b24ab676SJeff Bonwick if (error == 0 && zgd->zgd_bp) 1607b24ab676SJeff Bonwick zil_add_block(zgd->zgd_zilog, zgd->zgd_bp); 1608b24ab676SJeff Bonwick 1609b24ab676SJeff Bonwick umem_free(zgd, sizeof (*zgd)); 1610b24ab676SJeff Bonwick } 1611b24ab676SJeff Bonwick 1612b24ab676SJeff Bonwick static int 1613b24ab676SJeff Bonwick ztest_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio) 1614b24ab676SJeff Bonwick { 1615b24ab676SJeff Bonwick ztest_ds_t *zd = arg; 1616b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1617b24ab676SJeff Bonwick uint64_t object = lr->lr_foid; 1618b24ab676SJeff Bonwick uint64_t offset = lr->lr_offset; 1619b24ab676SJeff Bonwick uint64_t size = lr->lr_length; 1620b24ab676SJeff Bonwick blkptr_t *bp = &lr->lr_blkptr; 1621b24ab676SJeff Bonwick uint64_t txg = lr->lr_common.lrc_txg; 1622b24ab676SJeff Bonwick uint64_t crtxg; 1623b24ab676SJeff Bonwick dmu_object_info_t doi; 1624b24ab676SJeff Bonwick dmu_buf_t *db; 1625b24ab676SJeff Bonwick zgd_t *zgd; 1626b24ab676SJeff Bonwick int error; 1627b24ab676SJeff Bonwick 1628b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 1629b24ab676SJeff Bonwick error = dmu_bonus_hold(os, object, FTAG, &db); 1630b24ab676SJeff Bonwick if (error) { 1631b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1632b24ab676SJeff Bonwick return (error); 1633b24ab676SJeff Bonwick } 1634b24ab676SJeff Bonwick 1635b24ab676SJeff Bonwick crtxg = ztest_bt_bonus(db)->bt_crtxg; 1636b24ab676SJeff Bonwick 1637b24ab676SJeff Bonwick if (crtxg == 0 || crtxg > txg) { 1638b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1639b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1640b24ab676SJeff Bonwick return (ENOENT); 1641b24ab676SJeff Bonwick } 1642b24ab676SJeff Bonwick 1643b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1644b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1645b24ab676SJeff Bonwick db = NULL; 1646b24ab676SJeff Bonwick 1647b24ab676SJeff Bonwick zgd = umem_zalloc(sizeof (*zgd), UMEM_NOFAIL); 1648b24ab676SJeff Bonwick zgd->zgd_zilog = zd->zd_zilog; 1649b24ab676SJeff Bonwick zgd->zgd_private = zd; 1650b24ab676SJeff Bonwick 1651b24ab676SJeff Bonwick if (buf != NULL) { /* immediate write */ 1652b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1653b24ab676SJeff Bonwick RL_READER); 1654b24ab676SJeff Bonwick 1655b24ab676SJeff Bonwick error = dmu_read(os, object, offset, size, buf, 1656b24ab676SJeff Bonwick DMU_READ_NO_PREFETCH); 1657b24ab676SJeff Bonwick ASSERT(error == 0); 1658b24ab676SJeff Bonwick } else { 1659b24ab676SJeff Bonwick size = doi.doi_data_block_size; 1660dfe73b3dSJeff Bonwick if (ISP2(size)) { 1661b24ab676SJeff Bonwick offset = P2ALIGN(offset, size); 1662dfe73b3dSJeff Bonwick } else { 1663dfe73b3dSJeff Bonwick ASSERT(offset < size); 1664dfe73b3dSJeff Bonwick offset = 0; 1665dfe73b3dSJeff Bonwick } 1666b24ab676SJeff Bonwick 1667b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1668b24ab676SJeff Bonwick RL_READER); 1669b24ab676SJeff Bonwick 1670b24ab676SJeff Bonwick error = dmu_buf_hold(os, object, offset, zgd, &db); 1671b24ab676SJeff Bonwick 1672b24ab676SJeff Bonwick if (error == 0) { 1673b24ab676SJeff Bonwick zgd->zgd_db = db; 1674b24ab676SJeff Bonwick zgd->zgd_bp = bp; 1675b24ab676SJeff Bonwick 1676b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 1677b24ab676SJeff Bonwick ASSERT(db->db_size == size); 1678b24ab676SJeff Bonwick 1679b24ab676SJeff Bonwick error = dmu_sync(zio, lr->lr_common.lrc_txg, 1680b24ab676SJeff Bonwick ztest_get_done, zgd); 1681b24ab676SJeff Bonwick 1682b24ab676SJeff Bonwick if (error == 0) 1683b24ab676SJeff Bonwick return (0); 1684b24ab676SJeff Bonwick } 1685b24ab676SJeff Bonwick } 1686b24ab676SJeff Bonwick 1687b24ab676SJeff Bonwick ztest_get_done(zgd, error); 1688b24ab676SJeff Bonwick 1689b24ab676SJeff Bonwick return (error); 1690b24ab676SJeff Bonwick } 1691b24ab676SJeff Bonwick 1692b24ab676SJeff Bonwick static void * 1693b24ab676SJeff Bonwick ztest_lr_alloc(size_t lrsize, char *name) 1694b24ab676SJeff Bonwick { 1695b24ab676SJeff Bonwick char *lr; 1696b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1697b24ab676SJeff Bonwick 1698b24ab676SJeff Bonwick lr = umem_zalloc(lrsize + namesize, UMEM_NOFAIL); 1699b24ab676SJeff Bonwick 1700b24ab676SJeff Bonwick if (name) 1701b24ab676SJeff Bonwick bcopy(name, lr + lrsize, namesize); 1702b24ab676SJeff Bonwick 1703b24ab676SJeff Bonwick return (lr); 1704b24ab676SJeff Bonwick } 1705b24ab676SJeff Bonwick 1706b24ab676SJeff Bonwick void 1707b24ab676SJeff Bonwick ztest_lr_free(void *lr, size_t lrsize, char *name) 1708b24ab676SJeff Bonwick { 1709b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1710b24ab676SJeff Bonwick 1711b24ab676SJeff Bonwick umem_free(lr, lrsize + namesize); 1712b24ab676SJeff Bonwick } 1713b24ab676SJeff Bonwick 1714b24ab676SJeff Bonwick /* 1715b24ab676SJeff Bonwick * Lookup a bunch of objects. Returns the number of objects not found. 1716b24ab676SJeff Bonwick */ 1717b24ab676SJeff Bonwick static int 1718b24ab676SJeff Bonwick ztest_lookup(ztest_ds_t *zd, ztest_od_t *od, int count) 1719b24ab676SJeff Bonwick { 1720b24ab676SJeff Bonwick int missing = 0; 1721b24ab676SJeff Bonwick int error; 1722b24ab676SJeff Bonwick 1723b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1724b24ab676SJeff Bonwick 1725b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1726b24ab676SJeff Bonwick od->od_object = 0; 1727b24ab676SJeff Bonwick error = zap_lookup(zd->zd_os, od->od_dir, od->od_name, 1728b24ab676SJeff Bonwick sizeof (uint64_t), 1, &od->od_object); 1729b24ab676SJeff Bonwick if (error) { 1730b24ab676SJeff Bonwick ASSERT(error == ENOENT); 1731b24ab676SJeff Bonwick ASSERT(od->od_object == 0); 1732b24ab676SJeff Bonwick missing++; 1733b24ab676SJeff Bonwick } else { 1734b24ab676SJeff Bonwick dmu_buf_t *db; 1735b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1736b24ab676SJeff Bonwick dmu_object_info_t doi; 1737b24ab676SJeff Bonwick 1738b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1739b24ab676SJeff Bonwick ASSERT(missing == 0); /* there should be no gaps */ 1740b24ab676SJeff Bonwick 1741b24ab676SJeff Bonwick ztest_object_lock(zd, od->od_object, RL_READER); 1742b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(zd->zd_os, 1743b24ab676SJeff Bonwick od->od_object, FTAG, &db)); 1744b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1745b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1746b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1747b24ab676SJeff Bonwick od->od_type = doi.doi_type; 1748b24ab676SJeff Bonwick od->od_blocksize = doi.doi_data_block_size; 1749b24ab676SJeff Bonwick od->od_gen = bbt->bt_gen; 1750b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1751b24ab676SJeff Bonwick ztest_object_unlock(zd, od->od_object); 1752b24ab676SJeff Bonwick } 1753b24ab676SJeff Bonwick } 1754b24ab676SJeff Bonwick 1755b24ab676SJeff Bonwick return (missing); 1756b24ab676SJeff Bonwick } 1757b24ab676SJeff Bonwick 1758b24ab676SJeff Bonwick static int 1759b24ab676SJeff Bonwick ztest_create(ztest_ds_t *zd, ztest_od_t *od, int count) 1760b24ab676SJeff Bonwick { 1761b24ab676SJeff Bonwick int missing = 0; 1762b24ab676SJeff Bonwick 1763b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1764b24ab676SJeff Bonwick 1765b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1766b24ab676SJeff Bonwick if (missing) { 1767b24ab676SJeff Bonwick od->od_object = 0; 1768b24ab676SJeff Bonwick missing++; 1769b24ab676SJeff Bonwick continue; 1770b24ab676SJeff Bonwick } 1771b24ab676SJeff Bonwick 1772b24ab676SJeff Bonwick lr_create_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1773b24ab676SJeff Bonwick 1774b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1775b24ab676SJeff Bonwick lr->lr_foid = 0; /* 0 to allocate, > 0 to claim */ 1776b24ab676SJeff Bonwick lr->lrz_type = od->od_crtype; 1777b24ab676SJeff Bonwick lr->lrz_blocksize = od->od_crblocksize; 1778b24ab676SJeff Bonwick lr->lrz_ibshift = ztest_random_ibshift(); 1779b24ab676SJeff Bonwick lr->lrz_bonustype = DMU_OT_UINT64_OTHER; 1780b24ab676SJeff Bonwick lr->lrz_bonuslen = dmu_bonus_max(); 1781b24ab676SJeff Bonwick lr->lr_gen = od->od_crgen; 1782b24ab676SJeff Bonwick lr->lr_crtime[0] = time(NULL); 1783b24ab676SJeff Bonwick 1784b24ab676SJeff Bonwick if (ztest_replay_create(zd, lr, B_FALSE) != 0) { 1785b24ab676SJeff Bonwick ASSERT(missing == 0); 1786b24ab676SJeff Bonwick od->od_object = 0; 1787b24ab676SJeff Bonwick missing++; 1788b24ab676SJeff Bonwick } else { 1789b24ab676SJeff Bonwick od->od_object = lr->lr_foid; 1790b24ab676SJeff Bonwick od->od_type = od->od_crtype; 1791b24ab676SJeff Bonwick od->od_blocksize = od->od_crblocksize; 1792b24ab676SJeff Bonwick od->od_gen = od->od_crgen; 1793b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1794b24ab676SJeff Bonwick } 1795b24ab676SJeff Bonwick 1796b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1797b24ab676SJeff Bonwick } 1798b24ab676SJeff Bonwick 1799b24ab676SJeff Bonwick return (missing); 1800b24ab676SJeff Bonwick } 1801b24ab676SJeff Bonwick 1802b24ab676SJeff Bonwick static int 1803b24ab676SJeff Bonwick ztest_remove(ztest_ds_t *zd, ztest_od_t *od, int count) 1804b24ab676SJeff Bonwick { 1805b24ab676SJeff Bonwick int missing = 0; 1806b24ab676SJeff Bonwick int error; 1807b24ab676SJeff Bonwick 1808b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1809b24ab676SJeff Bonwick 1810b24ab676SJeff Bonwick od += count - 1; 1811b24ab676SJeff Bonwick 1812b24ab676SJeff Bonwick for (int i = count - 1; i >= 0; i--, od--) { 1813b24ab676SJeff Bonwick if (missing) { 1814b24ab676SJeff Bonwick missing++; 1815b24ab676SJeff Bonwick continue; 1816b24ab676SJeff Bonwick } 1817b24ab676SJeff Bonwick 1818b24ab676SJeff Bonwick if (od->od_object == 0) 1819b24ab676SJeff Bonwick continue; 1820b24ab676SJeff Bonwick 1821b24ab676SJeff Bonwick lr_remove_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1822b24ab676SJeff Bonwick 1823b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1824b24ab676SJeff Bonwick 1825b24ab676SJeff Bonwick if ((error = ztest_replay_remove(zd, lr, B_FALSE)) != 0) { 1826b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1827b24ab676SJeff Bonwick missing++; 1828b24ab676SJeff Bonwick } else { 1829b24ab676SJeff Bonwick od->od_object = 0; 1830b24ab676SJeff Bonwick } 1831b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1832b24ab676SJeff Bonwick } 1833b24ab676SJeff Bonwick 1834b24ab676SJeff Bonwick return (missing); 1835b24ab676SJeff Bonwick } 1836b24ab676SJeff Bonwick 1837b24ab676SJeff Bonwick static int 1838b24ab676SJeff Bonwick ztest_write(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size, 1839b24ab676SJeff Bonwick void *data) 1840b24ab676SJeff Bonwick { 1841b24ab676SJeff Bonwick lr_write_t *lr; 1842b24ab676SJeff Bonwick int error; 1843b24ab676SJeff Bonwick 1844b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr) + size, NULL); 1845b24ab676SJeff Bonwick 1846b24ab676SJeff Bonwick lr->lr_foid = object; 1847b24ab676SJeff Bonwick lr->lr_offset = offset; 1848b24ab676SJeff Bonwick lr->lr_length = size; 1849b24ab676SJeff Bonwick lr->lr_blkoff = 0; 1850b24ab676SJeff Bonwick BP_ZERO(&lr->lr_blkptr); 1851b24ab676SJeff Bonwick 1852b24ab676SJeff Bonwick bcopy(data, lr + 1, size); 1853b24ab676SJeff Bonwick 1854b24ab676SJeff Bonwick error = ztest_replay_write(zd, lr, B_FALSE); 1855b24ab676SJeff Bonwick 1856b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr) + size, NULL); 1857b24ab676SJeff Bonwick 1858b24ab676SJeff Bonwick return (error); 1859b24ab676SJeff Bonwick } 1860b24ab676SJeff Bonwick 1861b24ab676SJeff Bonwick static int 1862b24ab676SJeff Bonwick ztest_truncate(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 1863b24ab676SJeff Bonwick { 1864b24ab676SJeff Bonwick lr_truncate_t *lr; 1865b24ab676SJeff Bonwick int error; 1866b24ab676SJeff Bonwick 1867b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 1868b24ab676SJeff Bonwick 1869b24ab676SJeff Bonwick lr->lr_foid = object; 1870b24ab676SJeff Bonwick lr->lr_offset = offset; 1871b24ab676SJeff Bonwick lr->lr_length = size; 1872b24ab676SJeff Bonwick 1873b24ab676SJeff Bonwick error = ztest_replay_truncate(zd, lr, B_FALSE); 1874b24ab676SJeff Bonwick 1875b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 1876b24ab676SJeff Bonwick 1877b24ab676SJeff Bonwick return (error); 1878b24ab676SJeff Bonwick } 1879b24ab676SJeff Bonwick 1880b24ab676SJeff Bonwick static int 1881b24ab676SJeff Bonwick ztest_setattr(ztest_ds_t *zd, uint64_t object) 1882b24ab676SJeff Bonwick { 1883b24ab676SJeff Bonwick lr_setattr_t *lr; 1884b24ab676SJeff Bonwick int error; 1885b24ab676SJeff Bonwick 1886b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 1887b24ab676SJeff Bonwick 1888b24ab676SJeff Bonwick lr->lr_foid = object; 1889b24ab676SJeff Bonwick lr->lr_size = 0; 1890b24ab676SJeff Bonwick lr->lr_mode = 0; 1891b24ab676SJeff Bonwick 1892b24ab676SJeff Bonwick error = ztest_replay_setattr(zd, lr, B_FALSE); 1893b24ab676SJeff Bonwick 1894b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 1895b24ab676SJeff Bonwick 1896b24ab676SJeff Bonwick return (error); 1897b24ab676SJeff Bonwick } 1898b24ab676SJeff Bonwick 1899b24ab676SJeff Bonwick static void 1900b24ab676SJeff Bonwick ztest_prealloc(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 1901b24ab676SJeff Bonwick { 1902b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1903b24ab676SJeff Bonwick dmu_tx_t *tx; 1904b24ab676SJeff Bonwick uint64_t txg; 1905b24ab676SJeff Bonwick rl_t *rl; 1906b24ab676SJeff Bonwick 1907b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 1908b24ab676SJeff Bonwick 1909b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 1910b24ab676SJeff Bonwick rl = ztest_range_lock(zd, object, offset, size, RL_WRITER); 1911b24ab676SJeff Bonwick 1912b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1913b24ab676SJeff Bonwick 1914b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, offset, size); 1915b24ab676SJeff Bonwick 1916b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1917b24ab676SJeff Bonwick 1918b24ab676SJeff Bonwick if (txg != 0) { 1919b24ab676SJeff Bonwick dmu_prealloc(os, object, offset, size, tx); 1920b24ab676SJeff Bonwick dmu_tx_commit(tx); 1921b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 1922b24ab676SJeff Bonwick } else { 1923b24ab676SJeff Bonwick (void) dmu_free_long_range(os, object, offset, size); 1924b24ab676SJeff Bonwick } 1925b24ab676SJeff Bonwick 1926b24ab676SJeff Bonwick ztest_range_unlock(rl); 1927b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1928b24ab676SJeff Bonwick } 1929b24ab676SJeff Bonwick 1930b24ab676SJeff Bonwick static void 1931b24ab676SJeff Bonwick ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t offset) 1932b24ab676SJeff Bonwick { 1933b24ab676SJeff Bonwick ztest_block_tag_t wbt; 1934b24ab676SJeff Bonwick dmu_object_info_t doi; 1935b24ab676SJeff Bonwick enum ztest_io_type io_type; 1936b24ab676SJeff Bonwick uint64_t blocksize; 1937b24ab676SJeff Bonwick void *data; 1938b24ab676SJeff Bonwick 1939b24ab676SJeff Bonwick VERIFY(dmu_object_info(zd->zd_os, object, &doi) == 0); 1940b24ab676SJeff Bonwick blocksize = doi.doi_data_block_size; 1941b24ab676SJeff Bonwick data = umem_alloc(blocksize, UMEM_NOFAIL); 1942b24ab676SJeff Bonwick 1943b24ab676SJeff Bonwick /* 1944b24ab676SJeff Bonwick * Pick an i/o type at random, biased toward writing block tags. 1945b24ab676SJeff Bonwick */ 1946b24ab676SJeff Bonwick io_type = ztest_random(ZTEST_IO_TYPES); 1947b24ab676SJeff Bonwick if (ztest_random(2) == 0) 1948b24ab676SJeff Bonwick io_type = ZTEST_IO_WRITE_TAG; 1949b24ab676SJeff Bonwick 1950b24ab676SJeff Bonwick switch (io_type) { 1951b24ab676SJeff Bonwick 1952b24ab676SJeff Bonwick case ZTEST_IO_WRITE_TAG: 1953b24ab676SJeff Bonwick ztest_bt_generate(&wbt, zd->zd_os, object, offset, 0, 0, 0); 1954b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, sizeof (wbt), &wbt); 1955b24ab676SJeff Bonwick break; 1956b24ab676SJeff Bonwick 1957b24ab676SJeff Bonwick case ZTEST_IO_WRITE_PATTERN: 1958b24ab676SJeff Bonwick (void) memset(data, 'a' + (object + offset) % 5, blocksize); 1959b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 1960b24ab676SJeff Bonwick /* 1961b24ab676SJeff Bonwick * Induce fletcher2 collisions to ensure that 1962b24ab676SJeff Bonwick * zio_ddt_collision() detects and resolves them 1963b24ab676SJeff Bonwick * when using fletcher2-verify for deduplication. 1964b24ab676SJeff Bonwick */ 1965b24ab676SJeff Bonwick ((uint64_t *)data)[0] ^= 1ULL << 63; 1966b24ab676SJeff Bonwick ((uint64_t *)data)[4] ^= 1ULL << 63; 1967b24ab676SJeff Bonwick } 1968b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 1969b24ab676SJeff Bonwick break; 1970b24ab676SJeff Bonwick 1971b24ab676SJeff Bonwick case ZTEST_IO_WRITE_ZEROES: 1972b24ab676SJeff Bonwick bzero(data, blocksize); 1973b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 1974b24ab676SJeff Bonwick break; 1975b24ab676SJeff Bonwick 1976b24ab676SJeff Bonwick case ZTEST_IO_TRUNCATE: 1977b24ab676SJeff Bonwick (void) ztest_truncate(zd, object, offset, blocksize); 1978b24ab676SJeff Bonwick break; 1979b24ab676SJeff Bonwick 1980b24ab676SJeff Bonwick case ZTEST_IO_SETATTR: 1981b24ab676SJeff Bonwick (void) ztest_setattr(zd, object); 1982b24ab676SJeff Bonwick break; 1983b24ab676SJeff Bonwick } 1984b24ab676SJeff Bonwick 1985b24ab676SJeff Bonwick umem_free(data, blocksize); 1986b24ab676SJeff Bonwick } 1987b24ab676SJeff Bonwick 1988b24ab676SJeff Bonwick /* 1989b24ab676SJeff Bonwick * Initialize an object description template. 1990b24ab676SJeff Bonwick */ 1991b24ab676SJeff Bonwick static void 1992b24ab676SJeff Bonwick ztest_od_init(ztest_od_t *od, uint64_t id, char *tag, uint64_t index, 1993b24ab676SJeff Bonwick dmu_object_type_t type, uint64_t blocksize, uint64_t gen) 1994b24ab676SJeff Bonwick { 1995b24ab676SJeff Bonwick od->od_dir = ZTEST_DIROBJ; 1996b24ab676SJeff Bonwick od->od_object = 0; 1997b24ab676SJeff Bonwick 1998b24ab676SJeff Bonwick od->od_crtype = type; 1999b24ab676SJeff Bonwick od->od_crblocksize = blocksize ? blocksize : ztest_random_blocksize(); 2000b24ab676SJeff Bonwick od->od_crgen = gen; 2001b24ab676SJeff Bonwick 2002b24ab676SJeff Bonwick od->od_type = DMU_OT_NONE; 2003b24ab676SJeff Bonwick od->od_blocksize = 0; 2004b24ab676SJeff Bonwick od->od_gen = 0; 2005b24ab676SJeff Bonwick 2006b24ab676SJeff Bonwick (void) snprintf(od->od_name, sizeof (od->od_name), "%s(%lld)[%llu]", 2007b24ab676SJeff Bonwick tag, (int64_t)id, index); 2008b24ab676SJeff Bonwick } 2009b24ab676SJeff Bonwick 2010b24ab676SJeff Bonwick /* 2011b24ab676SJeff Bonwick * Lookup or create the objects for a test using the od template. 2012b24ab676SJeff Bonwick * If the objects do not all exist, or if 'remove' is specified, 2013b24ab676SJeff Bonwick * remove any existing objects and create new ones. Otherwise, 2014b24ab676SJeff Bonwick * use the existing objects. 2015b24ab676SJeff Bonwick */ 2016b24ab676SJeff Bonwick static int 2017b24ab676SJeff Bonwick ztest_object_init(ztest_ds_t *zd, ztest_od_t *od, size_t size, boolean_t remove) 2018b24ab676SJeff Bonwick { 2019b24ab676SJeff Bonwick int count = size / sizeof (*od); 2020b24ab676SJeff Bonwick int rv = 0; 2021b24ab676SJeff Bonwick 2022b24ab676SJeff Bonwick VERIFY(mutex_lock(&zd->zd_dirobj_lock) == 0); 2023b24ab676SJeff Bonwick if ((ztest_lookup(zd, od, count) != 0 || remove) && 2024b24ab676SJeff Bonwick (ztest_remove(zd, od, count) != 0 || 2025b24ab676SJeff Bonwick ztest_create(zd, od, count) != 0)) 2026b24ab676SJeff Bonwick rv = -1; 2027b24ab676SJeff Bonwick zd->zd_od = od; 2028b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2029b24ab676SJeff Bonwick 2030b24ab676SJeff Bonwick return (rv); 2031b24ab676SJeff Bonwick } 2032b24ab676SJeff Bonwick 2033b24ab676SJeff Bonwick /* ARGSUSED */ 2034b24ab676SJeff Bonwick void 2035b24ab676SJeff Bonwick ztest_zil_commit(ztest_ds_t *zd, uint64_t id) 2036b24ab676SJeff Bonwick { 2037b24ab676SJeff Bonwick zilog_t *zilog = zd->zd_zilog; 2038b24ab676SJeff Bonwick 2039b24ab676SJeff Bonwick zil_commit(zilog, UINT64_MAX, ztest_random(ZTEST_OBJECTS)); 2040b24ab676SJeff Bonwick 2041b24ab676SJeff Bonwick /* 2042b24ab676SJeff Bonwick * Remember the committed values in zd, which is in parent/child 2043b24ab676SJeff Bonwick * shared memory. If we die, the next iteration of ztest_run() 2044b24ab676SJeff Bonwick * will verify that the log really does contain this record. 2045b24ab676SJeff Bonwick */ 2046b24ab676SJeff Bonwick mutex_enter(&zilog->zl_lock); 2047b24ab676SJeff Bonwick ASSERT(zd->zd_seq <= zilog->zl_commit_lr_seq); 2048b24ab676SJeff Bonwick zd->zd_seq = zilog->zl_commit_lr_seq; 2049b24ab676SJeff Bonwick mutex_exit(&zilog->zl_lock); 2050b24ab676SJeff Bonwick } 2051b24ab676SJeff Bonwick 2052b24ab676SJeff Bonwick /* 2053b24ab676SJeff Bonwick * Verify that we can't destroy an active pool, create an existing pool, 2054b24ab676SJeff Bonwick * or create a pool with a bad vdev spec. 2055b24ab676SJeff Bonwick */ 2056b24ab676SJeff Bonwick /* ARGSUSED */ 2057b24ab676SJeff Bonwick void 2058b24ab676SJeff Bonwick ztest_spa_create_destroy(ztest_ds_t *zd, uint64_t id) 2059b24ab676SJeff Bonwick { 2060b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2061b24ab676SJeff Bonwick spa_t *spa; 2062b24ab676SJeff Bonwick nvlist_t *nvroot; 2063b24ab676SJeff Bonwick 2064b24ab676SJeff Bonwick /* 2065b24ab676SJeff Bonwick * Attempt to create using a bad file. 2066b24ab676SJeff Bonwick */ 2067b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 2068b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 2069b24ab676SJeff Bonwick spa_create("ztest_bad_file", nvroot, NULL, NULL, NULL)); 2070b24ab676SJeff Bonwick nvlist_free(nvroot); 2071b24ab676SJeff Bonwick 2072b24ab676SJeff Bonwick /* 2073b24ab676SJeff Bonwick * Attempt to create using a bad mirror. 2074b24ab676SJeff Bonwick */ 2075b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 2, 1); 2076b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 2077b24ab676SJeff Bonwick spa_create("ztest_bad_mirror", nvroot, NULL, NULL, NULL)); 2078b24ab676SJeff Bonwick nvlist_free(nvroot); 2079b24ab676SJeff Bonwick 2080b24ab676SJeff Bonwick /* 2081b24ab676SJeff Bonwick * Attempt to create an existing pool. It shouldn't matter 2082b24ab676SJeff Bonwick * what's in the nvroot; we should fail with EEXIST. 2083b24ab676SJeff Bonwick */ 2084b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 2085b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 2086b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, spa_create(zs->zs_pool, nvroot, NULL, NULL, NULL)); 2087b24ab676SJeff Bonwick nvlist_free(nvroot); 2088b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(zs->zs_pool, &spa, FTAG)); 2089b24ab676SJeff Bonwick VERIFY3U(EBUSY, ==, spa_destroy(zs->zs_pool)); 2090b24ab676SJeff Bonwick spa_close(spa, FTAG); 2091b24ab676SJeff Bonwick 2092b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 2093b24ab676SJeff Bonwick } 2094b24ab676SJeff Bonwick 2095b24ab676SJeff Bonwick static vdev_t * 2096b24ab676SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 2097b24ab676SJeff Bonwick { 2098b24ab676SJeff Bonwick vdev_t *mvd; 2099b24ab676SJeff Bonwick 2100b24ab676SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 2101b24ab676SJeff Bonwick return (vd); 2102b24ab676SJeff Bonwick 2103b24ab676SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 2104b24ab676SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 2105b24ab676SJeff Bonwick NULL) 2106b24ab676SJeff Bonwick return (mvd); 2107b24ab676SJeff Bonwick 2108b24ab676SJeff Bonwick return (NULL); 2109b24ab676SJeff Bonwick } 2110b24ab676SJeff Bonwick 2111b24ab676SJeff Bonwick /* 2112b24ab676SJeff Bonwick * Find the first available hole which can be used as a top-level. 2113b24ab676SJeff Bonwick */ 2114b24ab676SJeff Bonwick int 2115b24ab676SJeff Bonwick find_vdev_hole(spa_t *spa) 2116b24ab676SJeff Bonwick { 2117b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2118b24ab676SJeff Bonwick int c; 2119b24ab676SJeff Bonwick 2120b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_VDEV, RW_READER) == SCL_VDEV); 2121b24ab676SJeff Bonwick 2122b24ab676SJeff Bonwick for (c = 0; c < rvd->vdev_children; c++) { 2123b24ab676SJeff Bonwick vdev_t *cvd = rvd->vdev_child[c]; 2124b24ab676SJeff Bonwick 2125b24ab676SJeff Bonwick if (cvd->vdev_ishole) 2126b24ab676SJeff Bonwick break; 2127b24ab676SJeff Bonwick } 2128b24ab676SJeff Bonwick return (c); 2129b24ab676SJeff Bonwick } 2130b24ab676SJeff Bonwick 2131b24ab676SJeff Bonwick /* 2132b24ab676SJeff Bonwick * Verify that vdev_add() works as expected. 2133b24ab676SJeff Bonwick */ 2134b24ab676SJeff Bonwick /* ARGSUSED */ 2135b24ab676SJeff Bonwick void 2136b24ab676SJeff Bonwick ztest_vdev_add_remove(ztest_ds_t *zd, uint64_t id) 2137b24ab676SJeff Bonwick { 2138b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2139b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 2140*1195e687SMark J Musante uint64_t leaves; 2141b24ab676SJeff Bonwick uint64_t guid; 2142b24ab676SJeff Bonwick nvlist_t *nvroot; 2143b24ab676SJeff Bonwick int error; 2144b24ab676SJeff Bonwick 2145b24ab676SJeff Bonwick VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 2146*1195e687SMark J Musante leaves = MAX(zs->zs_mirrors + zs->zs_splits, 1) * zopt_raidz; 2147b24ab676SJeff Bonwick 2148b24ab676SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2149b24ab676SJeff Bonwick 2150b24ab676SJeff Bonwick ztest_shared->zs_vdev_next_leaf = find_vdev_hole(spa) * leaves; 2151b24ab676SJeff Bonwick 2152b24ab676SJeff Bonwick /* 2153b24ab676SJeff Bonwick * If we have slogs then remove them 1/4 of the time. 2154b24ab676SJeff Bonwick */ 215588ecc943SGeorge Wilson if (spa_has_slogs(spa) && ztest_random(4) == 0) { 215688ecc943SGeorge Wilson /* 215788ecc943SGeorge Wilson * Grab the guid from the head of the log class rotor. 215888ecc943SGeorge Wilson */ 2159b24ab676SJeff Bonwick guid = spa_log_class(spa)->mc_rotor->mg_vd->vdev_guid; 21608654d025Sperrin 216188ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 2162fa9e4066Sahrens 216388ecc943SGeorge Wilson /* 216488ecc943SGeorge Wilson * We have to grab the zs_name_lock as writer to 216588ecc943SGeorge Wilson * prevent a race between removing a slog (dmu_objset_find) 216688ecc943SGeorge Wilson * and destroying a dataset. Removing the slog will 216788ecc943SGeorge Wilson * grab a reference on the dataset which may cause 216888ecc943SGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 216988ecc943SGeorge Wilson * leaving the dataset in an inconsistent state. 217088ecc943SGeorge Wilson */ 2171b24ab676SJeff Bonwick VERIFY(rw_wrlock(&ztest_shared->zs_name_lock) == 0); 217288ecc943SGeorge Wilson error = spa_vdev_remove(spa, guid, B_FALSE); 2173b24ab676SJeff Bonwick VERIFY(rw_unlock(&ztest_shared->zs_name_lock) == 0); 2174fa9e4066Sahrens 217588ecc943SGeorge Wilson if (error && error != EEXIST) 217688ecc943SGeorge Wilson fatal(0, "spa_vdev_remove() = %d", error); 217788ecc943SGeorge Wilson } else { 217888ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 217988ecc943SGeorge Wilson 218088ecc943SGeorge Wilson /* 218188ecc943SGeorge Wilson * Make 1/4 of the devices be log devices. 218288ecc943SGeorge Wilson */ 218388ecc943SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 2184*1195e687SMark J Musante ztest_random(4) == 0, zopt_raidz, zs->zs_mirrors, 1); 218588ecc943SGeorge Wilson 218688ecc943SGeorge Wilson error = spa_vdev_add(spa, nvroot); 218788ecc943SGeorge Wilson nvlist_free(nvroot); 218888ecc943SGeorge Wilson 218988ecc943SGeorge Wilson if (error == ENOSPC) 219088ecc943SGeorge Wilson ztest_record_enospc("spa_vdev_add"); 219188ecc943SGeorge Wilson else if (error != 0) 219288ecc943SGeorge Wilson fatal(0, "spa_vdev_add() = %d", error); 219388ecc943SGeorge Wilson } 219488ecc943SGeorge Wilson 2195b24ab676SJeff Bonwick VERIFY(mutex_unlock(&ztest_shared->zs_vdev_lock) == 0); 2196e14bb325SJeff Bonwick } 2197fa9e4066Sahrens 2198e14bb325SJeff Bonwick /* 2199e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 2200e14bb325SJeff Bonwick */ 2201b24ab676SJeff Bonwick /* ARGSUSED */ 2202e14bb325SJeff Bonwick void 2203b24ab676SJeff Bonwick ztest_vdev_aux_add_remove(ztest_ds_t *zd, uint64_t id) 2204e14bb325SJeff Bonwick { 2205b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2206b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 220731157203SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2208e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 2209e14bb325SJeff Bonwick char *aux; 2210e14bb325SJeff Bonwick uint64_t guid = 0; 2211e14bb325SJeff Bonwick int error; 2212e14bb325SJeff Bonwick 221331157203SJeff Bonwick if (ztest_random(2) == 0) { 2214e14bb325SJeff Bonwick sav = &spa->spa_spares; 2215e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 2216e14bb325SJeff Bonwick } else { 2217e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 2218e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 2219e14bb325SJeff Bonwick } 2220e14bb325SJeff Bonwick 2221b24ab676SJeff Bonwick VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 2222e14bb325SJeff Bonwick 2223e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2224e14bb325SJeff Bonwick 2225e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 2226e14bb325SJeff Bonwick /* 2227e14bb325SJeff Bonwick * Pick a random device to remove. 2228e14bb325SJeff Bonwick */ 2229e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 2230e14bb325SJeff Bonwick } else { 2231e14bb325SJeff Bonwick /* 2232e14bb325SJeff Bonwick * Find an unused device we can add. 2233e14bb325SJeff Bonwick */ 2234b24ab676SJeff Bonwick zs->zs_vdev_aux = 0; 2235e14bb325SJeff Bonwick for (;;) { 2236e14bb325SJeff Bonwick char path[MAXPATHLEN]; 2237e14bb325SJeff Bonwick int c; 2238e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, zopt_dir, 2239b24ab676SJeff Bonwick zopt_pool, aux, zs->zs_vdev_aux); 2240e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 2241e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 2242e14bb325SJeff Bonwick path) == 0) 2243e14bb325SJeff Bonwick break; 224431157203SJeff Bonwick if (c == sav->sav_count && 224531157203SJeff Bonwick vdev_lookup_by_path(rvd, path) == NULL) 2246e14bb325SJeff Bonwick break; 2247b24ab676SJeff Bonwick zs->zs_vdev_aux++; 2248e14bb325SJeff Bonwick } 2249e14bb325SJeff Bonwick } 2250e14bb325SJeff Bonwick 2251e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2252e14bb325SJeff Bonwick 2253e14bb325SJeff Bonwick if (guid == 0) { 2254e14bb325SJeff Bonwick /* 2255e14bb325SJeff Bonwick * Add a new device. 2256e14bb325SJeff Bonwick */ 225731157203SJeff Bonwick nvlist_t *nvroot = make_vdev_root(NULL, aux, 225831157203SJeff Bonwick (zopt_vdev_size * 5) / 4, 0, 0, 0, 0, 1); 2259e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 2260e14bb325SJeff Bonwick if (error != 0) 2261e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 2262e14bb325SJeff Bonwick nvlist_free(nvroot); 2263e14bb325SJeff Bonwick } else { 2264e14bb325SJeff Bonwick /* 2265e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 2266e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 2267e14bb325SJeff Bonwick * of devices that have pending state changes. 2268e14bb325SJeff Bonwick */ 2269e14bb325SJeff Bonwick if (ztest_random(2) == 0) 2270573ca77eSGeorge Wilson (void) vdev_online(spa, guid, 0, NULL); 2271e14bb325SJeff Bonwick 2272e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 2273e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 2274e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 2275e14bb325SJeff Bonwick } 2276e14bb325SJeff Bonwick 2277b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2278fa9e4066Sahrens } 2279fa9e4066Sahrens 2280*1195e687SMark J Musante /* 2281*1195e687SMark J Musante * split a pool if it has mirror tlvdevs 2282*1195e687SMark J Musante */ 2283*1195e687SMark J Musante /* ARGSUSED */ 2284*1195e687SMark J Musante void 2285*1195e687SMark J Musante ztest_split_pool(ztest_ds_t *zd, uint64_t id) 2286*1195e687SMark J Musante { 2287*1195e687SMark J Musante ztest_shared_t *zs = ztest_shared; 2288*1195e687SMark J Musante spa_t *spa = zs->zs_spa; 2289*1195e687SMark J Musante vdev_t *rvd = spa->spa_root_vdev; 2290*1195e687SMark J Musante nvlist_t *tree, **child, *config, *split, **schild; 2291*1195e687SMark J Musante uint_t c, children, schildren = 0, lastlogid = 0; 2292*1195e687SMark J Musante int error = 0; 2293*1195e687SMark J Musante 2294*1195e687SMark J Musante VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 2295*1195e687SMark J Musante 2296*1195e687SMark J Musante /* ensure we have a useable config; mirrors of raidz aren't supported */ 2297*1195e687SMark J Musante if (zs->zs_mirrors < 3 || zopt_raidz > 1) { 2298*1195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2299*1195e687SMark J Musante return; 2300*1195e687SMark J Musante } 2301*1195e687SMark J Musante 2302*1195e687SMark J Musante /* clean up the old pool, if any */ 2303*1195e687SMark J Musante (void) spa_destroy("splitp"); 2304*1195e687SMark J Musante 2305*1195e687SMark J Musante spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2306*1195e687SMark J Musante 2307*1195e687SMark J Musante /* generate a config from the existing config */ 2308*1195e687SMark J Musante VERIFY(nvlist_lookup_nvlist(spa->spa_config, ZPOOL_CONFIG_VDEV_TREE, 2309*1195e687SMark J Musante &tree) == 0); 2310*1195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, 2311*1195e687SMark J Musante &children) == 0); 2312*1195e687SMark J Musante 2313*1195e687SMark J Musante schild = malloc(rvd->vdev_children * sizeof (nvlist_t *)); 2314*1195e687SMark J Musante for (c = 0; c < children; c++) { 2315*1195e687SMark J Musante vdev_t *tvd = rvd->vdev_child[c]; 2316*1195e687SMark J Musante nvlist_t **mchild; 2317*1195e687SMark J Musante uint_t mchildren; 2318*1195e687SMark J Musante 2319*1195e687SMark J Musante if (tvd->vdev_islog || tvd->vdev_ops == &vdev_hole_ops) { 2320*1195e687SMark J Musante VERIFY(nvlist_alloc(&schild[schildren], NV_UNIQUE_NAME, 2321*1195e687SMark J Musante 0) == 0); 2322*1195e687SMark J Musante VERIFY(nvlist_add_string(schild[schildren], 2323*1195e687SMark J Musante ZPOOL_CONFIG_TYPE, VDEV_TYPE_HOLE) == 0); 2324*1195e687SMark J Musante VERIFY(nvlist_add_uint64(schild[schildren], 2325*1195e687SMark J Musante ZPOOL_CONFIG_IS_HOLE, 1) == 0); 2326*1195e687SMark J Musante if (lastlogid == 0) 2327*1195e687SMark J Musante lastlogid = schildren; 2328*1195e687SMark J Musante ++schildren; 2329*1195e687SMark J Musante continue; 2330*1195e687SMark J Musante } 2331*1195e687SMark J Musante lastlogid = 0; 2332*1195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(child[c], 2333*1195e687SMark J Musante ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); 2334*1195e687SMark J Musante VERIFY(nvlist_dup(mchild[0], &schild[schildren++], 0) == 0); 2335*1195e687SMark J Musante } 2336*1195e687SMark J Musante 2337*1195e687SMark J Musante /* OK, create a config that can be used to split */ 2338*1195e687SMark J Musante VERIFY(nvlist_alloc(&split, NV_UNIQUE_NAME, 0) == 0); 2339*1195e687SMark J Musante VERIFY(nvlist_add_string(split, ZPOOL_CONFIG_TYPE, 2340*1195e687SMark J Musante VDEV_TYPE_ROOT) == 0); 2341*1195e687SMark J Musante VERIFY(nvlist_add_nvlist_array(split, ZPOOL_CONFIG_CHILDREN, schild, 2342*1195e687SMark J Musante lastlogid != 0 ? lastlogid : schildren) == 0); 2343*1195e687SMark J Musante 2344*1195e687SMark J Musante VERIFY(nvlist_alloc(&config, NV_UNIQUE_NAME, 0) == 0); 2345*1195e687SMark J Musante VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, split) == 0); 2346*1195e687SMark J Musante 2347*1195e687SMark J Musante for (c = 0; c < schildren; c++) 2348*1195e687SMark J Musante nvlist_free(schild[c]); 2349*1195e687SMark J Musante free(schild); 2350*1195e687SMark J Musante nvlist_free(split); 2351*1195e687SMark J Musante 2352*1195e687SMark J Musante spa_config_exit(spa, SCL_VDEV, FTAG); 2353*1195e687SMark J Musante 2354*1195e687SMark J Musante (void) rw_wrlock(&zs->zs_name_lock); 2355*1195e687SMark J Musante error = spa_vdev_split_mirror(spa, "splitp", config, NULL, B_FALSE); 2356*1195e687SMark J Musante (void) rw_unlock(&zs->zs_name_lock); 2357*1195e687SMark J Musante 2358*1195e687SMark J Musante nvlist_free(config); 2359*1195e687SMark J Musante 2360*1195e687SMark J Musante if (error == 0) { 2361*1195e687SMark J Musante (void) printf("successful split - results:\n"); 2362*1195e687SMark J Musante mutex_enter(&spa_namespace_lock); 2363*1195e687SMark J Musante show_pool_stats(spa); 2364*1195e687SMark J Musante show_pool_stats(spa_lookup("splitp")); 2365*1195e687SMark J Musante mutex_exit(&spa_namespace_lock); 2366*1195e687SMark J Musante ++zs->zs_splits; 2367*1195e687SMark J Musante --zs->zs_mirrors; 2368*1195e687SMark J Musante } 2369*1195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2370*1195e687SMark J Musante 2371*1195e687SMark J Musante } 2372*1195e687SMark J Musante 2373fa9e4066Sahrens /* 2374fa9e4066Sahrens * Verify that we can attach and detach devices. 2375fa9e4066Sahrens */ 2376b24ab676SJeff Bonwick /* ARGSUSED */ 2377fa9e4066Sahrens void 2378b24ab676SJeff Bonwick ztest_vdev_attach_detach(ztest_ds_t *zd, uint64_t id) 2379fa9e4066Sahrens { 2380b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2381b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 238231157203SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_spares; 2383fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 2384ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 2385e14bb325SJeff Bonwick nvlist_t *root; 2386*1195e687SMark J Musante uint64_t leaves; 2387fa9e4066Sahrens uint64_t leaf, top; 2388ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 23898ad4d6ddSJeff Bonwick uint64_t oldguid, pguid; 2390ea8dc4b6Seschrock size_t oldsize, newsize; 2391ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 2392fa9e4066Sahrens int replacing; 23939af0a4dfSJeff Bonwick int oldvd_has_siblings = B_FALSE; 239431157203SJeff Bonwick int newvd_is_spare = B_FALSE; 239531157203SJeff Bonwick int oldvd_is_log; 2396fa9e4066Sahrens int error, expected_error; 2397fa9e4066Sahrens 2398b24ab676SJeff Bonwick VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 2399*1195e687SMark J Musante leaves = MAX(zs->zs_mirrors, 1) * zopt_raidz; 2400fa9e4066Sahrens 2401e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2402fa9e4066Sahrens 2403fa9e4066Sahrens /* 2404fa9e4066Sahrens * Decide whether to do an attach or a replace. 2405fa9e4066Sahrens */ 2406fa9e4066Sahrens replacing = ztest_random(2); 2407fa9e4066Sahrens 2408fa9e4066Sahrens /* 2409fa9e4066Sahrens * Pick a random top-level vdev. 2410fa9e4066Sahrens */ 2411b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2412fa9e4066Sahrens 2413fa9e4066Sahrens /* 2414fa9e4066Sahrens * Pick a random leaf within it. 2415fa9e4066Sahrens */ 2416*1195e687SMark J Musante leaf = ztest_random(leaves) + zs->zs_splits; 2417fa9e4066Sahrens 2418fa9e4066Sahrens /* 241931157203SJeff Bonwick * Locate this vdev. 2420fa9e4066Sahrens */ 242131157203SJeff Bonwick oldvd = rvd->vdev_child[top]; 2422*1195e687SMark J Musante if (zs->zs_mirrors >= 1) { 24238ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_mirror_ops); 2424*1195e687SMark J Musante ASSERT(oldvd->vdev_children >= zs->zs_mirrors); 242531157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf / zopt_raidz]; 24268ad4d6ddSJeff Bonwick } 24278ad4d6ddSJeff Bonwick if (zopt_raidz > 1) { 24288ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_raidz_ops); 24298ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children == zopt_raidz); 243031157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf % zopt_raidz]; 24318ad4d6ddSJeff Bonwick } 2432fa9e4066Sahrens 2433fa9e4066Sahrens /* 243431157203SJeff Bonwick * If we're already doing an attach or replace, oldvd may be a 243531157203SJeff Bonwick * mirror vdev -- in which case, pick a random child. 2436fa9e4066Sahrens */ 243731157203SJeff Bonwick while (oldvd->vdev_children != 0) { 24389af0a4dfSJeff Bonwick oldvd_has_siblings = B_TRUE; 24398ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= 2); 24408ad4d6ddSJeff Bonwick oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)]; 244131157203SJeff Bonwick } 2442fa9e4066Sahrens 244331157203SJeff Bonwick oldguid = oldvd->vdev_guid; 2444573ca77eSGeorge Wilson oldsize = vdev_get_min_asize(oldvd); 244531157203SJeff Bonwick oldvd_is_log = oldvd->vdev_top->vdev_islog; 244631157203SJeff Bonwick (void) strcpy(oldpath, oldvd->vdev_path); 2447ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 24488ad4d6ddSJeff Bonwick pguid = pvd->vdev_guid; 2449fa9e4066Sahrens 24509af0a4dfSJeff Bonwick /* 24519af0a4dfSJeff Bonwick * If oldvd has siblings, then half of the time, detach it. 24529af0a4dfSJeff Bonwick */ 24539af0a4dfSJeff Bonwick if (oldvd_has_siblings && ztest_random(2) == 0) { 24549af0a4dfSJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 24558ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, oldguid, pguid, B_FALSE); 24568ad4d6ddSJeff Bonwick if (error != 0 && error != ENODEV && error != EBUSY && 24578ad4d6ddSJeff Bonwick error != ENOTSUP) 24588ad4d6ddSJeff Bonwick fatal(0, "detach (%s) returned %d", oldpath, error); 2459b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 24609af0a4dfSJeff Bonwick return; 24619af0a4dfSJeff Bonwick } 24629af0a4dfSJeff Bonwick 2463fa9e4066Sahrens /* 246431157203SJeff Bonwick * For the new vdev, choose with equal probability between the two 246531157203SJeff Bonwick * standard paths (ending in either 'a' or 'b') or a random hot spare. 2466fa9e4066Sahrens */ 246731157203SJeff Bonwick if (sav->sav_count != 0 && ztest_random(3) == 0) { 246831157203SJeff Bonwick newvd = sav->sav_vdevs[ztest_random(sav->sav_count)]; 246931157203SJeff Bonwick newvd_is_spare = B_TRUE; 247031157203SJeff Bonwick (void) strcpy(newpath, newvd->vdev_path); 247131157203SJeff Bonwick } else { 247231157203SJeff Bonwick (void) snprintf(newpath, sizeof (newpath), ztest_dev_template, 247331157203SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 247431157203SJeff Bonwick if (ztest_random(2) == 0) 247531157203SJeff Bonwick newpath[strlen(newpath) - 1] = 'b'; 247631157203SJeff Bonwick newvd = vdev_lookup_by_path(rvd, newpath); 247731157203SJeff Bonwick } 247831157203SJeff Bonwick 247931157203SJeff Bonwick if (newvd) { 2480573ca77eSGeorge Wilson newsize = vdev_get_min_asize(newvd); 248131157203SJeff Bonwick } else { 248231157203SJeff Bonwick /* 248331157203SJeff Bonwick * Make newsize a little bigger or smaller than oldsize. 248431157203SJeff Bonwick * If it's smaller, the attach should fail. 248531157203SJeff Bonwick * If it's larger, and we're doing a replace, 248631157203SJeff Bonwick * we should get dynamic LUN growth when we're done. 248731157203SJeff Bonwick */ 248831157203SJeff Bonwick newsize = 10 * oldsize / (9 + ztest_random(3)); 248931157203SJeff Bonwick } 2490fa9e4066Sahrens 2491fa9e4066Sahrens /* 2492fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 2493fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 2494fa9e4066Sahrens * 2495ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 2496fa9e4066Sahrens * 2497ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 2498fa9e4066Sahrens */ 249931157203SJeff Bonwick if (pvd->vdev_ops != &vdev_mirror_ops && 250031157203SJeff Bonwick pvd->vdev_ops != &vdev_root_ops && (!replacing || 250131157203SJeff Bonwick pvd->vdev_ops == &vdev_replacing_ops || 250231157203SJeff Bonwick pvd->vdev_ops == &vdev_spare_ops)) 250331157203SJeff Bonwick expected_error = ENOTSUP; 250431157203SJeff Bonwick else if (newvd_is_spare && (!replacing || oldvd_is_log)) 2505fa9e4066Sahrens expected_error = ENOTSUP; 250631157203SJeff Bonwick else if (newvd == oldvd) 250731157203SJeff Bonwick expected_error = replacing ? 0 : EBUSY; 250831157203SJeff Bonwick else if (vdev_lookup_by_path(rvd, newpath) != NULL) 250931157203SJeff Bonwick expected_error = EBUSY; 2510ea8dc4b6Seschrock else if (newsize < oldsize) 2511fa9e4066Sahrens expected_error = EOVERFLOW; 2512ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 2513ecc2d604Sbonwick expected_error = EDOM; 2514fa9e4066Sahrens else 2515fa9e4066Sahrens expected_error = 0; 2516fa9e4066Sahrens 2517e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2518fa9e4066Sahrens 2519fa9e4066Sahrens /* 2520ea8dc4b6Seschrock * Build the nvlist describing newpath. 2521fa9e4066Sahrens */ 2522e14bb325SJeff Bonwick root = make_vdev_root(newpath, NULL, newvd == NULL ? newsize : 0, 2523e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 2524fa9e4066Sahrens 252531157203SJeff Bonwick error = spa_vdev_attach(spa, oldguid, root, replacing); 2526fa9e4066Sahrens 2527fa9e4066Sahrens nvlist_free(root); 2528fa9e4066Sahrens 2529fa9e4066Sahrens /* 2530fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 2531fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 2532fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 2533fa9e4066Sahrens */ 2534fa9e4066Sahrens if (expected_error == ENOTSUP && 2535fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 2536fa9e4066Sahrens expected_error = error; 2537fa9e4066Sahrens 2538f0aa80d4Sbonwick /* 2539f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 2540f0aa80d4Sbonwick */ 2541088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 2542f0aa80d4Sbonwick expected_error = error; 2543f0aa80d4Sbonwick 2544088f3894Sahrens /* XXX workaround 6690467 */ 2545088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 2546088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 2547088f3894Sahrens "returned %d, expected %d", 2548088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 2549088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 2550fa9e4066Sahrens } 2551fa9e4066Sahrens 2552b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2553fa9e4066Sahrens } 2554fa9e4066Sahrens 2555573ca77eSGeorge Wilson /* 2556573ca77eSGeorge Wilson * Callback function which expands the physical size of the vdev. 2557573ca77eSGeorge Wilson */ 2558573ca77eSGeorge Wilson vdev_t * 2559573ca77eSGeorge Wilson grow_vdev(vdev_t *vd, void *arg) 2560573ca77eSGeorge Wilson { 2561573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2562573ca77eSGeorge Wilson size_t *newsize = arg; 2563573ca77eSGeorge Wilson size_t fsize; 2564573ca77eSGeorge Wilson int fd; 2565573ca77eSGeorge Wilson 2566573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2567573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2568573ca77eSGeorge Wilson 2569573ca77eSGeorge Wilson if ((fd = open(vd->vdev_path, O_RDWR)) == -1) 2570573ca77eSGeorge Wilson return (vd); 2571573ca77eSGeorge Wilson 2572573ca77eSGeorge Wilson fsize = lseek(fd, 0, SEEK_END); 2573573ca77eSGeorge Wilson (void) ftruncate(fd, *newsize); 2574573ca77eSGeorge Wilson 2575573ca77eSGeorge Wilson if (zopt_verbose >= 6) { 2576573ca77eSGeorge Wilson (void) printf("%s grew from %lu to %lu bytes\n", 2577573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)fsize, (ulong_t)*newsize); 2578573ca77eSGeorge Wilson } 2579573ca77eSGeorge Wilson (void) close(fd); 2580573ca77eSGeorge Wilson return (NULL); 2581573ca77eSGeorge Wilson } 2582573ca77eSGeorge Wilson 2583573ca77eSGeorge Wilson /* 2584573ca77eSGeorge Wilson * Callback function which expands a given vdev by calling vdev_online(). 2585573ca77eSGeorge Wilson */ 2586573ca77eSGeorge Wilson /* ARGSUSED */ 2587573ca77eSGeorge Wilson vdev_t * 2588573ca77eSGeorge Wilson online_vdev(vdev_t *vd, void *arg) 2589573ca77eSGeorge Wilson { 2590573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2591573ca77eSGeorge Wilson vdev_t *tvd = vd->vdev_top; 2592573ca77eSGeorge Wilson uint64_t guid = vd->vdev_guid; 25938f18d1faSGeorge Wilson uint64_t generation = spa->spa_config_generation + 1; 2594095bcd66SGeorge Wilson vdev_state_t newstate = VDEV_STATE_UNKNOWN; 2595095bcd66SGeorge Wilson int error; 2596573ca77eSGeorge Wilson 2597573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2598573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2599573ca77eSGeorge Wilson 2600573ca77eSGeorge Wilson /* Calling vdev_online will initialize the new metaslabs */ 2601573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2602095bcd66SGeorge Wilson error = vdev_online(spa, guid, ZFS_ONLINE_EXPAND, &newstate); 2603573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2604573ca77eSGeorge Wilson 2605095bcd66SGeorge Wilson /* 2606095bcd66SGeorge Wilson * If vdev_online returned an error or the underlying vdev_open 2607095bcd66SGeorge Wilson * failed then we abort the expand. The only way to know that 2608095bcd66SGeorge Wilson * vdev_open fails is by checking the returned newstate. 2609095bcd66SGeorge Wilson */ 2610095bcd66SGeorge Wilson if (error || newstate != VDEV_STATE_HEALTHY) { 2611095bcd66SGeorge Wilson if (zopt_verbose >= 5) { 2612095bcd66SGeorge Wilson (void) printf("Unable to expand vdev, state %llu, " 2613095bcd66SGeorge Wilson "error %d\n", (u_longlong_t)newstate, error); 2614095bcd66SGeorge Wilson } 2615095bcd66SGeorge Wilson return (vd); 2616095bcd66SGeorge Wilson } 2617095bcd66SGeorge Wilson ASSERT3U(newstate, ==, VDEV_STATE_HEALTHY); 2618095bcd66SGeorge Wilson 2619573ca77eSGeorge Wilson /* 2620573ca77eSGeorge Wilson * Since we dropped the lock we need to ensure that we're 2621573ca77eSGeorge Wilson * still talking to the original vdev. It's possible this 2622573ca77eSGeorge Wilson * vdev may have been detached/replaced while we were 2623573ca77eSGeorge Wilson * trying to online it. 2624573ca77eSGeorge Wilson */ 26258f18d1faSGeorge Wilson if (generation != spa->spa_config_generation) { 26268f18d1faSGeorge Wilson if (zopt_verbose >= 5) { 26278f18d1faSGeorge Wilson (void) printf("vdev configuration has changed, " 26288f18d1faSGeorge Wilson "guid %llu, state %llu, expected gen %llu, " 2629b24ab676SJeff Bonwick "got gen %llu\n", 2630b24ab676SJeff Bonwick (u_longlong_t)guid, 26318f18d1faSGeorge Wilson (u_longlong_t)tvd->vdev_state, 26328f18d1faSGeorge Wilson (u_longlong_t)generation, 26338f18d1faSGeorge Wilson (u_longlong_t)spa->spa_config_generation); 2634573ca77eSGeorge Wilson } 2635573ca77eSGeorge Wilson return (vd); 2636573ca77eSGeorge Wilson } 2637573ca77eSGeorge Wilson return (NULL); 2638573ca77eSGeorge Wilson } 2639573ca77eSGeorge Wilson 2640573ca77eSGeorge Wilson /* 2641573ca77eSGeorge Wilson * Traverse the vdev tree calling the supplied function. 2642573ca77eSGeorge Wilson * We continue to walk the tree until we either have walked all 2643573ca77eSGeorge Wilson * children or we receive a non-NULL return from the callback. 2644573ca77eSGeorge Wilson * If a NULL callback is passed, then we just return back the first 2645573ca77eSGeorge Wilson * leaf vdev we encounter. 2646573ca77eSGeorge Wilson */ 2647573ca77eSGeorge Wilson vdev_t * 2648573ca77eSGeorge Wilson vdev_walk_tree(vdev_t *vd, vdev_t *(*func)(vdev_t *, void *), void *arg) 2649573ca77eSGeorge Wilson { 2650573ca77eSGeorge Wilson if (vd->vdev_ops->vdev_op_leaf) { 2651573ca77eSGeorge Wilson if (func == NULL) 2652573ca77eSGeorge Wilson return (vd); 2653573ca77eSGeorge Wilson else 2654573ca77eSGeorge Wilson return (func(vd, arg)); 2655573ca77eSGeorge Wilson } 2656573ca77eSGeorge Wilson 2657573ca77eSGeorge Wilson for (uint_t c = 0; c < vd->vdev_children; c++) { 2658573ca77eSGeorge Wilson vdev_t *cvd = vd->vdev_child[c]; 2659573ca77eSGeorge Wilson if ((cvd = vdev_walk_tree(cvd, func, arg)) != NULL) 2660573ca77eSGeorge Wilson return (cvd); 2661573ca77eSGeorge Wilson } 2662573ca77eSGeorge Wilson return (NULL); 2663573ca77eSGeorge Wilson } 2664573ca77eSGeorge Wilson 2665fa9e4066Sahrens /* 2666fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 2667fa9e4066Sahrens */ 2668b24ab676SJeff Bonwick /* ARGSUSED */ 2669fa9e4066Sahrens void 2670b24ab676SJeff Bonwick ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id) 2671fa9e4066Sahrens { 2672b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2673b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 2674b24ab676SJeff Bonwick vdev_t *vd, *tvd; 2675b24ab676SJeff Bonwick metaslab_class_t *mc; 2676b24ab676SJeff Bonwick metaslab_group_t *mg; 2677573ca77eSGeorge Wilson size_t psize, newsize; 2678b24ab676SJeff Bonwick uint64_t top; 2679b24ab676SJeff Bonwick uint64_t old_class_space, new_class_space, old_ms_count, new_ms_count; 2680fa9e4066Sahrens 2681b24ab676SJeff Bonwick VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 2682573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2683573ca77eSGeorge Wilson 2684b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2685573ca77eSGeorge Wilson 2686b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 2687b24ab676SJeff Bonwick mg = tvd->vdev_mg; 2688b24ab676SJeff Bonwick mc = mg->mg_class; 2689b24ab676SJeff Bonwick old_ms_count = tvd->vdev_ms_count; 2690b24ab676SJeff Bonwick old_class_space = metaslab_class_get_space(mc); 2691fa9e4066Sahrens 2692fa9e4066Sahrens /* 2693573ca77eSGeorge Wilson * Determine the size of the first leaf vdev associated with 2694573ca77eSGeorge Wilson * our top-level device. 2695fa9e4066Sahrens */ 2696573ca77eSGeorge Wilson vd = vdev_walk_tree(tvd, NULL, NULL); 2697573ca77eSGeorge Wilson ASSERT3P(vd, !=, NULL); 2698573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2699fa9e4066Sahrens 2700573ca77eSGeorge Wilson psize = vd->vdev_psize; 2701fa9e4066Sahrens 2702573ca77eSGeorge Wilson /* 27038f18d1faSGeorge Wilson * We only try to expand the vdev if it's healthy, less than 4x its 27048f18d1faSGeorge Wilson * original size, and it has a valid psize. 2705573ca77eSGeorge Wilson */ 27068f18d1faSGeorge Wilson if (tvd->vdev_state != VDEV_STATE_HEALTHY || 27078f18d1faSGeorge Wilson psize == 0 || psize >= 4 * zopt_vdev_size) { 2708573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2709b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2710573ca77eSGeorge Wilson return; 2711573ca77eSGeorge Wilson } 2712573ca77eSGeorge Wilson ASSERT(psize > 0); 2713573ca77eSGeorge Wilson newsize = psize + psize / 8; 2714573ca77eSGeorge Wilson ASSERT3U(newsize, >, psize); 2715fa9e4066Sahrens 2716b24ab676SJeff Bonwick if (zopt_verbose >= 6) { 2717b24ab676SJeff Bonwick (void) printf("Expanding LUN %s from %lu to %lu\n", 2718573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)psize, (ulong_t)newsize); 2719573ca77eSGeorge Wilson } 2720573ca77eSGeorge Wilson 2721573ca77eSGeorge Wilson /* 2722573ca77eSGeorge Wilson * Growing the vdev is a two step process: 2723573ca77eSGeorge Wilson * 1). expand the physical size (i.e. relabel) 2724573ca77eSGeorge Wilson * 2). online the vdev to create the new metaslabs 2725573ca77eSGeorge Wilson */ 2726573ca77eSGeorge Wilson if (vdev_walk_tree(tvd, grow_vdev, &newsize) != NULL || 2727573ca77eSGeorge Wilson vdev_walk_tree(tvd, online_vdev, NULL) != NULL || 2728573ca77eSGeorge Wilson tvd->vdev_state != VDEV_STATE_HEALTHY) { 2729573ca77eSGeorge Wilson if (zopt_verbose >= 5) { 2730b24ab676SJeff Bonwick (void) printf("Could not expand LUN because " 2731b24ab676SJeff Bonwick "the vdev configuration changed.\n"); 2732b24ab676SJeff Bonwick } 2733b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2734b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2735b24ab676SJeff Bonwick return; 2736b24ab676SJeff Bonwick } 2737b24ab676SJeff Bonwick 2738b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2739b24ab676SJeff Bonwick 2740b24ab676SJeff Bonwick /* 2741b24ab676SJeff Bonwick * Expanding the LUN will update the config asynchronously, 2742b24ab676SJeff Bonwick * thus we must wait for the async thread to complete any 2743b24ab676SJeff Bonwick * pending tasks before proceeding. 2744b24ab676SJeff Bonwick */ 2745b24ab676SJeff Bonwick for (;;) { 2746b24ab676SJeff Bonwick boolean_t done; 2747b24ab676SJeff Bonwick mutex_enter(&spa->spa_async_lock); 2748b24ab676SJeff Bonwick done = (spa->spa_async_thread == NULL && !spa->spa_async_tasks); 2749b24ab676SJeff Bonwick mutex_exit(&spa->spa_async_lock); 2750b24ab676SJeff Bonwick if (done) 2751b24ab676SJeff Bonwick break; 2752b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 2753b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 2754b24ab676SJeff Bonwick } 2755b24ab676SJeff Bonwick 2756b24ab676SJeff Bonwick spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2757b24ab676SJeff Bonwick 2758b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 2759b24ab676SJeff Bonwick new_ms_count = tvd->vdev_ms_count; 2760b24ab676SJeff Bonwick new_class_space = metaslab_class_get_space(mc); 2761b24ab676SJeff Bonwick 2762b24ab676SJeff Bonwick if (tvd->vdev_mg != mg || mg->mg_class != mc) { 2763b24ab676SJeff Bonwick if (zopt_verbose >= 5) { 2764b24ab676SJeff Bonwick (void) printf("Could not verify LUN expansion due to " 2765b24ab676SJeff Bonwick "intervening vdev offline or remove.\n"); 2766fa9e4066Sahrens } 2767b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2768b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2769573ca77eSGeorge Wilson return; 2770fa9e4066Sahrens } 2771fa9e4066Sahrens 2772573ca77eSGeorge Wilson /* 2773b24ab676SJeff Bonwick * Make sure we were able to grow the vdev. 2774573ca77eSGeorge Wilson */ 2775b24ab676SJeff Bonwick if (new_ms_count <= old_ms_count) 2776b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: ms_count %llu <= %llu\n", 2777b24ab676SJeff Bonwick old_ms_count, new_ms_count); 2778573ca77eSGeorge Wilson 2779573ca77eSGeorge Wilson /* 2780573ca77eSGeorge Wilson * Make sure we were able to grow the pool. 2781573ca77eSGeorge Wilson */ 2782b24ab676SJeff Bonwick if (new_class_space <= old_class_space) 2783b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: class_space %llu <= %llu\n", 2784b24ab676SJeff Bonwick old_class_space, new_class_space); 2785b24ab676SJeff Bonwick 2786b24ab676SJeff Bonwick if (zopt_verbose >= 5) { 2787573ca77eSGeorge Wilson char oldnumbuf[6], newnumbuf[6]; 2788573ca77eSGeorge Wilson 2789b24ab676SJeff Bonwick nicenum(old_class_space, oldnumbuf); 2790b24ab676SJeff Bonwick nicenum(new_class_space, newnumbuf); 2791573ca77eSGeorge Wilson (void) printf("%s grew from %s to %s\n", 2792573ca77eSGeorge Wilson spa->spa_name, oldnumbuf, newnumbuf); 2793573ca77eSGeorge Wilson } 2794b24ab676SJeff Bonwick 2795573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2796b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2797fa9e4066Sahrens } 2798fa9e4066Sahrens 2799b24ab676SJeff Bonwick /* 2800b24ab676SJeff Bonwick * Verify that dmu_objset_{create,destroy,open,close} work as expected. 2801b24ab676SJeff Bonwick */ 2802fa9e4066Sahrens /* ARGSUSED */ 2803fa9e4066Sahrens static void 2804b24ab676SJeff Bonwick ztest_objset_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 2805fa9e4066Sahrens { 2806fa9e4066Sahrens /* 2807b24ab676SJeff Bonwick * Create the objects common to all ztest datasets. 2808fa9e4066Sahrens */ 2809b24ab676SJeff Bonwick VERIFY(zap_create_claim(os, ZTEST_DIROBJ, 2810fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 2811fa9e4066Sahrens } 2812fa9e4066Sahrens 2813b24ab676SJeff Bonwick /* ARGSUSED */ 28141d452cf5Sahrens static int 2815fd136879SMatthew Ahrens ztest_objset_destroy_cb(const char *name, void *arg) 2816fa9e4066Sahrens { 2817fa9e4066Sahrens objset_t *os; 2818b24ab676SJeff Bonwick dmu_object_info_t doi; 2819fa9e4066Sahrens int error; 2820fa9e4066Sahrens 2821fa9e4066Sahrens /* 2822fa9e4066Sahrens * Verify that the dataset contains a directory object. 2823fa9e4066Sahrens */ 2824b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os)); 2825b24ab676SJeff Bonwick error = dmu_object_info(os, ZTEST_DIROBJ, &doi); 2826e1930233Sbonwick if (error != ENOENT) { 2827e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 2828e1930233Sbonwick ASSERT3U(error, ==, 0); 2829b24ab676SJeff Bonwick ASSERT3U(doi.doi_type, ==, DMU_OT_ZAP_OTHER); 2830b24ab676SJeff Bonwick ASSERT3S(doi.doi_physical_blocks_512, >=, 0); 2831e1930233Sbonwick } 2832503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 2833fa9e4066Sahrens 2834fa9e4066Sahrens /* 2835fa9e4066Sahrens * Destroy the dataset. 2836fa9e4066Sahrens */ 2837b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_objset_destroy(name, B_FALSE)); 28381d452cf5Sahrens return (0); 2839fa9e4066Sahrens } 2840fa9e4066Sahrens 2841b24ab676SJeff Bonwick static boolean_t 2842b24ab676SJeff Bonwick ztest_snapshot_create(char *osname, uint64_t id) 2843fa9e4066Sahrens { 2844b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 2845b24ab676SJeff Bonwick int error; 2846b24ab676SJeff Bonwick 2847b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 2848b24ab676SJeff Bonwick (u_longlong_t)id); 2849b24ab676SJeff Bonwick 2850b24ab676SJeff Bonwick error = dmu_objset_snapshot(osname, strchr(snapname, '@') + 1, 2851b24ab676SJeff Bonwick NULL, B_FALSE); 2852b24ab676SJeff Bonwick if (error == ENOSPC) { 2853b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 2854b24ab676SJeff Bonwick return (B_FALSE); 2855b24ab676SJeff Bonwick } 2856b24ab676SJeff Bonwick if (error != 0 && error != EEXIST) 2857b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_create(%s) = %d", snapname, error); 2858b24ab676SJeff Bonwick return (B_TRUE); 2859b24ab676SJeff Bonwick } 2860b24ab676SJeff Bonwick 2861b24ab676SJeff Bonwick static boolean_t 2862b24ab676SJeff Bonwick ztest_snapshot_destroy(char *osname, uint64_t id) 2863b24ab676SJeff Bonwick { 2864b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 2865b24ab676SJeff Bonwick int error; 2866b24ab676SJeff Bonwick 2867b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 2868b24ab676SJeff Bonwick (u_longlong_t)id); 2869b24ab676SJeff Bonwick 2870b24ab676SJeff Bonwick error = dmu_objset_destroy(snapname, B_FALSE); 2871b24ab676SJeff Bonwick if (error != 0 && error != ENOENT) 2872b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_destroy(%s) = %d", snapname, error); 2873b24ab676SJeff Bonwick return (B_TRUE); 2874fa9e4066Sahrens } 2875fa9e4066Sahrens 2876b24ab676SJeff Bonwick /* ARGSUSED */ 2877fa9e4066Sahrens void 2878b24ab676SJeff Bonwick ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64_t id) 2879fa9e4066Sahrens { 2880b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2881b24ab676SJeff Bonwick ztest_ds_t zdtmp; 2882b24ab676SJeff Bonwick int iters; 2883fa9e4066Sahrens int error; 2884745cd3c5Smaybee objset_t *os, *os2; 2885b24ab676SJeff Bonwick char name[MAXNAMELEN]; 2886fa9e4066Sahrens zilog_t *zilog; 2887fa9e4066Sahrens 2888b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 2889b24ab676SJeff Bonwick 2890b24ab676SJeff Bonwick (void) snprintf(name, MAXNAMELEN, "%s/temp_%llu", 2891b24ab676SJeff Bonwick zs->zs_pool, (u_longlong_t)id); 2892fa9e4066Sahrens 2893fa9e4066Sahrens /* 2894fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 2895fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 2896b24ab676SJeff Bonwick * (invoked from ztest_objset_destroy_cb()) should just throw it away. 2897fa9e4066Sahrens */ 2898fa9e4066Sahrens if (ztest_random(2) == 0 && 2899503ad85cSMatthew Ahrens dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os) == 0) { 2900b24ab676SJeff Bonwick ztest_zd_init(&zdtmp, os); 2901b24ab676SJeff Bonwick zil_replay(os, &zdtmp, ztest_replay_vector); 2902b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 2903503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 2904fa9e4066Sahrens } 2905fa9e4066Sahrens 2906fa9e4066Sahrens /* 2907fa9e4066Sahrens * There may be an old instance of the dataset we're about to 2908fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 2909fa9e4066Sahrens * and all of its snapshots. 2910fa9e4066Sahrens */ 2911b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 29120b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 2913fa9e4066Sahrens 2914fa9e4066Sahrens /* 2915fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 2916fa9e4066Sahrens */ 2917b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, dmu_objset_hold(name, FTAG, &os)); 2918fa9e4066Sahrens 2919fa9e4066Sahrens /* 2920fa9e4066Sahrens * Verify that we can create a new dataset. 2921fa9e4066Sahrens */ 2922ae46e4c7SMatthew Ahrens error = dmu_objset_create(name, DMU_OST_OTHER, 0, 2923b24ab676SJeff Bonwick ztest_objset_create_cb, NULL); 2924fa9e4066Sahrens if (error) { 2925fa9e4066Sahrens if (error == ENOSPC) { 2926b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 2927b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 2928fa9e4066Sahrens return; 2929fa9e4066Sahrens } 2930fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 2931fa9e4066Sahrens } 2932fa9e4066Sahrens 2933b24ab676SJeff Bonwick VERIFY3U(0, ==, 2934b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os)); 2935b24ab676SJeff Bonwick 2936b24ab676SJeff Bonwick ztest_zd_init(&zdtmp, os); 2937fa9e4066Sahrens 2938fa9e4066Sahrens /* 2939fa9e4066Sahrens * Open the intent log for it. 2940fa9e4066Sahrens */ 2941b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 2942fa9e4066Sahrens 2943fa9e4066Sahrens /* 2944b24ab676SJeff Bonwick * Put some objects in there, do a little I/O to them, 2945b24ab676SJeff Bonwick * and randomly take a couple of snapshots along the way. 2946fa9e4066Sahrens */ 2947b24ab676SJeff Bonwick iters = ztest_random(5); 2948b24ab676SJeff Bonwick for (int i = 0; i < iters; i++) { 2949b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(&zdtmp, id); 2950b24ab676SJeff Bonwick if (ztest_random(iters) == 0) 2951b24ab676SJeff Bonwick (void) ztest_snapshot_create(name, i); 2952fa9e4066Sahrens } 2953fa9e4066Sahrens 2954fa9e4066Sahrens /* 2955fa9e4066Sahrens * Verify that we cannot create an existing dataset. 2956fa9e4066Sahrens */ 2957b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, 2958b24ab676SJeff Bonwick dmu_objset_create(name, DMU_OST_OTHER, 0, NULL, NULL)); 2959fa9e4066Sahrens 2960fa9e4066Sahrens /* 2961503ad85cSMatthew Ahrens * Verify that we can hold an objset that is also owned. 2962745cd3c5Smaybee */ 2963b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os2)); 2964503ad85cSMatthew Ahrens dmu_objset_rele(os2, FTAG); 2965503ad85cSMatthew Ahrens 2966503ad85cSMatthew Ahrens /* 2967b24ab676SJeff Bonwick * Verify that we cannot own an objset that is already owned. 2968503ad85cSMatthew Ahrens */ 2969b24ab676SJeff Bonwick VERIFY3U(EBUSY, ==, 2970b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os2)); 2971fa9e4066Sahrens 2972fa9e4066Sahrens zil_close(zilog); 2973503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 2974b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 2975fa9e4066Sahrens 2976b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 2977fa9e4066Sahrens } 2978fa9e4066Sahrens 2979fa9e4066Sahrens /* 2980fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 2981fa9e4066Sahrens */ 2982fa9e4066Sahrens void 2983b24ab676SJeff Bonwick ztest_dmu_snapshot_create_destroy(ztest_ds_t *zd, uint64_t id) 2984fa9e4066Sahrens { 2985b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2986fa9e4066Sahrens 2987b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 2988b24ab676SJeff Bonwick (void) ztest_snapshot_destroy(zd->zd_name, id); 2989b24ab676SJeff Bonwick (void) ztest_snapshot_create(zd->zd_name, id); 2990b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 29914f5064b7SMark J Musante } 29924f5064b7SMark J Musante 2993718d718aSGeorge Wilson /* 2994718d718aSGeorge Wilson * Cleanup non-standard snapshots and clones. 2995718d718aSGeorge Wilson */ 2996718d718aSGeorge Wilson void 2997b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(char *osname, uint64_t id) 2998718d718aSGeorge Wilson { 2999b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3000b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3001b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3002b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3003b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3004718d718aSGeorge Wilson int error; 3005718d718aSGeorge Wilson 3006b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3007b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3008b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3009b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3010b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 3011718d718aSGeorge Wilson 3012842727c2SChris Kirby error = dmu_objset_destroy(clone2name, B_FALSE); 3013718d718aSGeorge Wilson if (error && error != ENOENT) 3014718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone2name, error); 3015842727c2SChris Kirby error = dmu_objset_destroy(snap3name, B_FALSE); 3016718d718aSGeorge Wilson if (error && error != ENOENT) 3017718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap3name, error); 3018842727c2SChris Kirby error = dmu_objset_destroy(snap2name, B_FALSE); 3019718d718aSGeorge Wilson if (error && error != ENOENT) 3020718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error); 3021842727c2SChris Kirby error = dmu_objset_destroy(clone1name, B_FALSE); 3022718d718aSGeorge Wilson if (error && error != ENOENT) 3023718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone1name, error); 3024842727c2SChris Kirby error = dmu_objset_destroy(snap1name, B_FALSE); 3025718d718aSGeorge Wilson if (error && error != ENOENT) 3026718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap1name, error); 3027718d718aSGeorge Wilson } 3028718d718aSGeorge Wilson 30294f5064b7SMark J Musante /* 30304f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 30314f5064b7SMark J Musante */ 30324f5064b7SMark J Musante void 3033b24ab676SJeff Bonwick ztest_dsl_dataset_promote_busy(ztest_ds_t *zd, uint64_t id) 30344f5064b7SMark J Musante { 3035b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 30364f5064b7SMark J Musante objset_t *clone; 30374f5064b7SMark J Musante dsl_dataset_t *ds; 3038b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3039b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3040b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3041b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3042b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3043b24ab676SJeff Bonwick char *osname = zd->zd_name; 3044b24ab676SJeff Bonwick int error; 30454f5064b7SMark J Musante 3046b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 30474f5064b7SMark J Musante 3048b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 3049718d718aSGeorge Wilson 3050b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3051b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3052b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3053b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3054b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 305505312e2cSMark J Musante 3056ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(osname, strchr(snap1name, '@')+1, 3057b24ab676SJeff Bonwick NULL, B_FALSE); 3058b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3059b2d22b66SGeorge Wilson if (error == ENOSPC) { 3060b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3061b2d22b66SGeorge Wilson goto out; 3062b2d22b66SGeorge Wilson } 3063b2d22b66SGeorge Wilson fatal(0, "dmu_take_snapshot(%s) = %d", snap1name, error); 3064b2d22b66SGeorge Wilson } 30654f5064b7SMark J Musante 3066503ad85cSMatthew Ahrens error = dmu_objset_hold(snap1name, FTAG, &clone); 30674f5064b7SMark J Musante if (error) 30684f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap1name, error); 30694f5064b7SMark J Musante 3070ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone1name, dmu_objset_ds(clone), 0); 3071503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3072b2d22b66SGeorge Wilson if (error) { 3073b2d22b66SGeorge Wilson if (error == ENOSPC) { 3074b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3075b2d22b66SGeorge Wilson goto out; 3076b2d22b66SGeorge Wilson } 3077b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 3078b2d22b66SGeorge Wilson } 30794f5064b7SMark J Musante 30804f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap2name, '@')+1, 3081b24ab676SJeff Bonwick NULL, B_FALSE); 3082b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3083b2d22b66SGeorge Wilson if (error == ENOSPC) { 3084b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3085b2d22b66SGeorge Wilson goto out; 3086b2d22b66SGeorge Wilson } 3087b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap2name, error); 3088b2d22b66SGeorge Wilson } 30894f5064b7SMark J Musante 30904f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap3name, '@')+1, 3091b24ab676SJeff Bonwick NULL, B_FALSE); 3092b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3093b2d22b66SGeorge Wilson if (error == ENOSPC) { 3094b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3095b2d22b66SGeorge Wilson goto out; 3096b2d22b66SGeorge Wilson } 3097b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 3098b2d22b66SGeorge Wilson } 30994f5064b7SMark J Musante 3100503ad85cSMatthew Ahrens error = dmu_objset_hold(snap3name, FTAG, &clone); 31014f5064b7SMark J Musante if (error) 31024f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 31034f5064b7SMark J Musante 3104ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone2name, dmu_objset_ds(clone), 0); 3105503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3106b2d22b66SGeorge Wilson if (error) { 3107b2d22b66SGeorge Wilson if (error == ENOSPC) { 3108b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3109b2d22b66SGeorge Wilson goto out; 3110b2d22b66SGeorge Wilson } 3111b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 3112b2d22b66SGeorge Wilson } 31134f5064b7SMark J Musante 3114503ad85cSMatthew Ahrens error = dsl_dataset_own(snap1name, B_FALSE, FTAG, &ds); 31154f5064b7SMark J Musante if (error) 31164f5064b7SMark J Musante fatal(0, "dsl_dataset_own(%s) = %d", snap1name, error); 3117681d9761SEric Taylor error = dsl_dataset_promote(clone2name, NULL); 31184f5064b7SMark J Musante if (error != EBUSY) 31194f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 31204f5064b7SMark J Musante error); 31214f5064b7SMark J Musante dsl_dataset_disown(ds, FTAG); 31224f5064b7SMark J Musante 3123b2d22b66SGeorge Wilson out: 3124b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 31254f5064b7SMark J Musante 3126b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 3127fa9e4066Sahrens } 3128fa9e4066Sahrens 3129fa9e4066Sahrens /* 3130fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 3131fa9e4066Sahrens */ 3132fa9e4066Sahrens void 3133b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(ztest_ds_t *zd, uint64_t id) 3134fa9e4066Sahrens { 3135b24ab676SJeff Bonwick ztest_od_t od[4]; 3136b24ab676SJeff Bonwick int batchsize = sizeof (od) / sizeof (od[0]); 3137fa9e4066Sahrens 3138b24ab676SJeff Bonwick for (int b = 0; b < batchsize; b++) 3139b24ab676SJeff Bonwick ztest_od_init(&od[b], id, FTAG, b, DMU_OT_UINT64_OTHER, 0, 0); 3140fa9e4066Sahrens 3141fa9e4066Sahrens /* 3142b24ab676SJeff Bonwick * Destroy the previous batch of objects, create a new batch, 3143b24ab676SJeff Bonwick * and do some I/O on the new objects. 3144fa9e4066Sahrens */ 3145b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_TRUE) != 0) 3146b24ab676SJeff Bonwick return; 3147fa9e4066Sahrens 3148b24ab676SJeff Bonwick while (ztest_random(4 * batchsize) != 0) 3149b24ab676SJeff Bonwick ztest_io(zd, od[ztest_random(batchsize)].od_object, 3150b24ab676SJeff Bonwick ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3151fa9e4066Sahrens } 3152fa9e4066Sahrens 3153fa9e4066Sahrens /* 3154fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 3155fa9e4066Sahrens */ 3156fa9e4066Sahrens void 3157b24ab676SJeff Bonwick ztest_dmu_read_write(ztest_ds_t *zd, uint64_t id) 3158fa9e4066Sahrens { 3159b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3160b24ab676SJeff Bonwick ztest_od_t od[2]; 3161fa9e4066Sahrens dmu_tx_t *tx; 3162fa9e4066Sahrens int i, freeit, error; 3163fa9e4066Sahrens uint64_t n, s, txg; 3164fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 3165b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3166b24ab676SJeff Bonwick uint64_t chunksize = (1000 + ztest_random(1000)) * sizeof (uint64_t); 3167fa9e4066Sahrens uint64_t regions = 997; 3168fa9e4066Sahrens uint64_t stride = 123456789ULL; 3169fa9e4066Sahrens uint64_t width = 40; 3170fa9e4066Sahrens int free_percent = 5; 3171fa9e4066Sahrens 3172fa9e4066Sahrens /* 3173fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 3174fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 3175fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 3176fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 3177fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 3178fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 3179fa9e4066Sahrens * 3180fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 3181fa9e4066Sahrens * bigobj, at the head of the nth chunk 3182fa9e4066Sahrens * bigobj, at the tail of the nth chunk 3183fa9e4066Sahrens * 3184fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 3185fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 3186fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 3187fa9e4066Sahrens * 3188fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 3189fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 3190fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 3191fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 3192fa9e4066Sahrens * tracking which parts of an object are allocated and free, 3193fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 3194fa9e4066Sahrens */ 3195fa9e4066Sahrens 3196fa9e4066Sahrens /* 3197fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 3198fa9e4066Sahrens */ 3199b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, chunksize); 3200b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 3201fa9e4066Sahrens 3202b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3203b24ab676SJeff Bonwick return; 3204fa9e4066Sahrens 3205b24ab676SJeff Bonwick bigobj = od[0].od_object; 3206b24ab676SJeff Bonwick packobj = od[1].od_object; 3207b24ab676SJeff Bonwick chunksize = od[0].od_gen; 3208b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 3209fa9e4066Sahrens 3210fa9e4066Sahrens /* 3211fa9e4066Sahrens * Prefetch a random chunk of the big object. 3212fa9e4066Sahrens * Our aim here is to get some async reads in flight 3213fa9e4066Sahrens * for blocks that we may free below; the DMU should 3214fa9e4066Sahrens * handle this race correctly. 3215fa9e4066Sahrens */ 3216fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3217fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 3218b24ab676SJeff Bonwick dmu_prefetch(os, bigobj, n * chunksize, s * chunksize); 3219fa9e4066Sahrens 3220fa9e4066Sahrens /* 3221fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 3222fa9e4066Sahrens */ 3223fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3224fa9e4066Sahrens s = 1 + ztest_random(width - 1); 3225fa9e4066Sahrens 3226fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 3227fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 3228fa9e4066Sahrens 3229b24ab676SJeff Bonwick bigoff = n * chunksize; 3230b24ab676SJeff Bonwick bigsize = s * chunksize; 3231fa9e4066Sahrens 3232fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 3233fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 3234fa9e4066Sahrens 3235fa9e4066Sahrens /* 3236fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 3237fa9e4066Sahrens * overwriting it. 3238fa9e4066Sahrens */ 3239fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 3240fa9e4066Sahrens 3241fa9e4066Sahrens /* 3242fa9e4066Sahrens * Read the current contents of our objects. 3243fa9e4066Sahrens */ 3244b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, packsize, packbuf, 32457bfdf011SNeil Perrin DMU_READ_PREFETCH); 3246ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 3247b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, bigbuf, 32487bfdf011SNeil Perrin DMU_READ_PREFETCH); 3249ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 3250fa9e4066Sahrens 3251fa9e4066Sahrens /* 3252fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 3253fa9e4066Sahrens */ 3254fa9e4066Sahrens tx = dmu_tx_create(os); 3255fa9e4066Sahrens 3256b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3257fa9e4066Sahrens 3258fa9e4066Sahrens if (freeit) 3259b24ab676SJeff Bonwick dmu_tx_hold_free(tx, bigobj, bigoff, bigsize); 3260fa9e4066Sahrens else 3261b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 3262fa9e4066Sahrens 3263b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3264b24ab676SJeff Bonwick if (txg == 0) { 3265fa9e4066Sahrens umem_free(packbuf, packsize); 3266fa9e4066Sahrens umem_free(bigbuf, bigsize); 3267fa9e4066Sahrens return; 3268fa9e4066Sahrens } 3269fa9e4066Sahrens 3270b24ab676SJeff Bonwick dmu_object_set_checksum(os, bigobj, 3271b24ab676SJeff Bonwick (enum zio_checksum)ztest_random_dsl_prop(ZFS_PROP_CHECKSUM), tx); 3272b24ab676SJeff Bonwick 3273b24ab676SJeff Bonwick dmu_object_set_compress(os, bigobj, 3274b24ab676SJeff Bonwick (enum zio_compress)ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), tx); 3275fa9e4066Sahrens 3276fa9e4066Sahrens /* 3277fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 3278fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 3279fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 3280fa9e4066Sahrens * with the new values we want to write out. 3281fa9e4066Sahrens */ 3282fa9e4066Sahrens for (i = 0; i < s; i++) { 3283fa9e4066Sahrens /* LINTED */ 3284fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 3285fa9e4066Sahrens /* LINTED */ 3286b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 3287fa9e4066Sahrens /* LINTED */ 3288b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 3289fa9e4066Sahrens 3290fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 3291fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 3292fa9e4066Sahrens 3293fa9e4066Sahrens if (pack->bw_txg > txg) 3294fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 3295fa9e4066Sahrens pack->bw_txg, txg); 3296fa9e4066Sahrens 3297fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 3298fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 3299fa9e4066Sahrens pack->bw_index, n, i); 3300fa9e4066Sahrens 3301fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 3302fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 3303fa9e4066Sahrens 3304fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 3305fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 3306fa9e4066Sahrens 3307fa9e4066Sahrens if (freeit) { 3308fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 3309fa9e4066Sahrens } else { 3310fa9e4066Sahrens pack->bw_index = n + i; 3311fa9e4066Sahrens pack->bw_txg = txg; 3312fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 3313fa9e4066Sahrens } 3314fa9e4066Sahrens *bigH = *pack; 3315fa9e4066Sahrens *bigT = *pack; 3316fa9e4066Sahrens } 3317fa9e4066Sahrens 3318fa9e4066Sahrens /* 3319fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 3320fa9e4066Sahrens * Now write them out. 3321fa9e4066Sahrens */ 3322b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3323fa9e4066Sahrens 3324fa9e4066Sahrens if (freeit) { 3325b24ab676SJeff Bonwick if (zopt_verbose >= 7) { 3326fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 3327fa9e4066Sahrens " txg %llx\n", 3328fa9e4066Sahrens (u_longlong_t)bigoff, 3329fa9e4066Sahrens (u_longlong_t)bigsize, 3330fa9e4066Sahrens (u_longlong_t)txg); 3331fa9e4066Sahrens } 3332b24ab676SJeff Bonwick VERIFY(0 == dmu_free_range(os, bigobj, bigoff, bigsize, tx)); 3333fa9e4066Sahrens } else { 3334b24ab676SJeff Bonwick if (zopt_verbose >= 7) { 3335fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 3336fa9e4066Sahrens " txg %llx\n", 3337fa9e4066Sahrens (u_longlong_t)bigoff, 3338fa9e4066Sahrens (u_longlong_t)bigsize, 3339fa9e4066Sahrens (u_longlong_t)txg); 3340fa9e4066Sahrens } 3341b24ab676SJeff Bonwick dmu_write(os, bigobj, bigoff, bigsize, bigbuf, tx); 3342fa9e4066Sahrens } 3343fa9e4066Sahrens 3344fa9e4066Sahrens dmu_tx_commit(tx); 3345fa9e4066Sahrens 3346fa9e4066Sahrens /* 3347fa9e4066Sahrens * Sanity check the stuff we just wrote. 3348fa9e4066Sahrens */ 3349fa9e4066Sahrens { 3350fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 3351fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 3352fa9e4066Sahrens 3353b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 33547bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3355b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 33567bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 3357fa9e4066Sahrens 3358fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 3359fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 3360fa9e4066Sahrens 3361fa9e4066Sahrens umem_free(packcheck, packsize); 3362fa9e4066Sahrens umem_free(bigcheck, bigsize); 3363fa9e4066Sahrens } 3364fa9e4066Sahrens 3365fa9e4066Sahrens umem_free(packbuf, packsize); 3366fa9e4066Sahrens umem_free(bigbuf, bigsize); 3367fa9e4066Sahrens } 3368fa9e4066Sahrens 33692fdbea25SAleksandr Guzovskiy void 33702fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(uint64_t s, bufwad_t *packbuf, bufwad_t *bigbuf, 3371b24ab676SJeff Bonwick uint64_t bigsize, uint64_t n, uint64_t chunksize, uint64_t txg) 33722fdbea25SAleksandr Guzovskiy { 33732fdbea25SAleksandr Guzovskiy uint64_t i; 33742fdbea25SAleksandr Guzovskiy bufwad_t *pack; 33752fdbea25SAleksandr Guzovskiy bufwad_t *bigH; 33762fdbea25SAleksandr Guzovskiy bufwad_t *bigT; 33772fdbea25SAleksandr Guzovskiy 33782fdbea25SAleksandr Guzovskiy /* 33792fdbea25SAleksandr Guzovskiy * For each index from n to n + s, verify that the existing bufwad 33802fdbea25SAleksandr Guzovskiy * in packobj matches the bufwads at the head and tail of the 33812fdbea25SAleksandr Guzovskiy * corresponding chunk in bigobj. Then update all three bufwads 33822fdbea25SAleksandr Guzovskiy * with the new values we want to write out. 33832fdbea25SAleksandr Guzovskiy */ 33842fdbea25SAleksandr Guzovskiy for (i = 0; i < s; i++) { 33852fdbea25SAleksandr Guzovskiy /* LINTED */ 33862fdbea25SAleksandr Guzovskiy pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 33872fdbea25SAleksandr Guzovskiy /* LINTED */ 3388b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 33892fdbea25SAleksandr Guzovskiy /* LINTED */ 3390b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 33912fdbea25SAleksandr Guzovskiy 33922fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 33932fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 33942fdbea25SAleksandr Guzovskiy 33952fdbea25SAleksandr Guzovskiy if (pack->bw_txg > txg) 33962fdbea25SAleksandr Guzovskiy fatal(0, "future leak: got %llx, open txg is %llx", 33972fdbea25SAleksandr Guzovskiy pack->bw_txg, txg); 33982fdbea25SAleksandr Guzovskiy 33992fdbea25SAleksandr Guzovskiy if (pack->bw_data != 0 && pack->bw_index != n + i) 34002fdbea25SAleksandr Guzovskiy fatal(0, "wrong index: got %llx, wanted %llx+%llx", 34012fdbea25SAleksandr Guzovskiy pack->bw_index, n, i); 34022fdbea25SAleksandr Guzovskiy 34032fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 34042fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 34052fdbea25SAleksandr Guzovskiy 34062fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 34072fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 34082fdbea25SAleksandr Guzovskiy 34092fdbea25SAleksandr Guzovskiy pack->bw_index = n + i; 34102fdbea25SAleksandr Guzovskiy pack->bw_txg = txg; 34112fdbea25SAleksandr Guzovskiy pack->bw_data = 1 + ztest_random(-2ULL); 34122fdbea25SAleksandr Guzovskiy 34132fdbea25SAleksandr Guzovskiy *bigH = *pack; 34142fdbea25SAleksandr Guzovskiy *bigT = *pack; 34152fdbea25SAleksandr Guzovskiy } 34162fdbea25SAleksandr Guzovskiy } 34172fdbea25SAleksandr Guzovskiy 34182fdbea25SAleksandr Guzovskiy void 3419b24ab676SJeff Bonwick ztest_dmu_read_write_zcopy(ztest_ds_t *zd, uint64_t id) 34202fdbea25SAleksandr Guzovskiy { 3421b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3422b24ab676SJeff Bonwick ztest_od_t od[2]; 34232fdbea25SAleksandr Guzovskiy dmu_tx_t *tx; 34242fdbea25SAleksandr Guzovskiy uint64_t i; 34252fdbea25SAleksandr Guzovskiy int error; 34262fdbea25SAleksandr Guzovskiy uint64_t n, s, txg; 34272fdbea25SAleksandr Guzovskiy bufwad_t *packbuf, *bigbuf; 3428b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3429b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3430b24ab676SJeff Bonwick uint64_t chunksize = blocksize; 34312fdbea25SAleksandr Guzovskiy uint64_t regions = 997; 34322fdbea25SAleksandr Guzovskiy uint64_t stride = 123456789ULL; 34332fdbea25SAleksandr Guzovskiy uint64_t width = 9; 34342fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 34352fdbea25SAleksandr Guzovskiy arc_buf_t **bigbuf_arcbufs; 3436b24ab676SJeff Bonwick dmu_object_info_t doi; 34372fdbea25SAleksandr Guzovskiy 34382fdbea25SAleksandr Guzovskiy /* 34392fdbea25SAleksandr Guzovskiy * This test uses two objects, packobj and bigobj, that are always 34402fdbea25SAleksandr Guzovskiy * updated together (i.e. in the same tx) so that their contents are 34412fdbea25SAleksandr Guzovskiy * in sync and can be compared. Their contents relate to each other 34422fdbea25SAleksandr Guzovskiy * in a simple way: packobj is a dense array of 'bufwad' structures, 34432fdbea25SAleksandr Guzovskiy * while bigobj is a sparse array of the same bufwads. Specifically, 34442fdbea25SAleksandr Guzovskiy * for any index n, there are three bufwads that should be identical: 34452fdbea25SAleksandr Guzovskiy * 34462fdbea25SAleksandr Guzovskiy * packobj, at offset n * sizeof (bufwad_t) 34472fdbea25SAleksandr Guzovskiy * bigobj, at the head of the nth chunk 34482fdbea25SAleksandr Guzovskiy * bigobj, at the tail of the nth chunk 34492fdbea25SAleksandr Guzovskiy * 34502fdbea25SAleksandr Guzovskiy * The chunk size is set equal to bigobj block size so that 34512fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() can be tested for object updates. 34522fdbea25SAleksandr Guzovskiy */ 34532fdbea25SAleksandr Guzovskiy 34542fdbea25SAleksandr Guzovskiy /* 34552fdbea25SAleksandr Guzovskiy * Read the directory info. If it's the first time, set things up. 34562fdbea25SAleksandr Guzovskiy */ 3457b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3458b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 34592fdbea25SAleksandr Guzovskiy 3460b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3461b24ab676SJeff Bonwick return; 34622fdbea25SAleksandr Guzovskiy 3463b24ab676SJeff Bonwick bigobj = od[0].od_object; 3464b24ab676SJeff Bonwick packobj = od[1].od_object; 3465b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 3466b24ab676SJeff Bonwick chunksize = blocksize; 3467b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 34682fdbea25SAleksandr Guzovskiy 3469b24ab676SJeff Bonwick VERIFY(dmu_object_info(os, bigobj, &doi) == 0); 3470b24ab676SJeff Bonwick VERIFY(ISP2(doi.doi_data_block_size)); 3471b24ab676SJeff Bonwick VERIFY(chunksize == doi.doi_data_block_size); 3472b24ab676SJeff Bonwick VERIFY(chunksize >= 2 * sizeof (bufwad_t)); 34732fdbea25SAleksandr Guzovskiy 34742fdbea25SAleksandr Guzovskiy /* 34752fdbea25SAleksandr Guzovskiy * Pick a random index and compute the offsets into packobj and bigobj. 34762fdbea25SAleksandr Guzovskiy */ 34772fdbea25SAleksandr Guzovskiy n = ztest_random(regions) * stride + ztest_random(width); 34782fdbea25SAleksandr Guzovskiy s = 1 + ztest_random(width - 1); 34792fdbea25SAleksandr Guzovskiy 34802fdbea25SAleksandr Guzovskiy packoff = n * sizeof (bufwad_t); 34812fdbea25SAleksandr Guzovskiy packsize = s * sizeof (bufwad_t); 34822fdbea25SAleksandr Guzovskiy 3483b24ab676SJeff Bonwick bigoff = n * chunksize; 3484b24ab676SJeff Bonwick bigsize = s * chunksize; 34852fdbea25SAleksandr Guzovskiy 34862fdbea25SAleksandr Guzovskiy packbuf = umem_zalloc(packsize, UMEM_NOFAIL); 34872fdbea25SAleksandr Guzovskiy bigbuf = umem_zalloc(bigsize, UMEM_NOFAIL); 34882fdbea25SAleksandr Guzovskiy 3489b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, bigobj, FTAG, &bonus_db)); 34902fdbea25SAleksandr Guzovskiy 34912fdbea25SAleksandr Guzovskiy bigbuf_arcbufs = umem_zalloc(2 * s * sizeof (arc_buf_t *), UMEM_NOFAIL); 34922fdbea25SAleksandr Guzovskiy 34932fdbea25SAleksandr Guzovskiy /* 34942fdbea25SAleksandr Guzovskiy * Iteration 0 test zcopy for DB_UNCACHED dbufs. 34952fdbea25SAleksandr Guzovskiy * Iteration 1 test zcopy to already referenced dbufs. 34962fdbea25SAleksandr Guzovskiy * Iteration 2 test zcopy to dirty dbuf in the same txg. 34972fdbea25SAleksandr Guzovskiy * Iteration 3 test zcopy to dbuf dirty in previous txg. 34982fdbea25SAleksandr Guzovskiy * Iteration 4 test zcopy when dbuf is no longer dirty. 34992fdbea25SAleksandr Guzovskiy * Iteration 5 test zcopy when it can't be done. 35002fdbea25SAleksandr Guzovskiy * Iteration 6 one more zcopy write. 35012fdbea25SAleksandr Guzovskiy */ 35022fdbea25SAleksandr Guzovskiy for (i = 0; i < 7; i++) { 35032fdbea25SAleksandr Guzovskiy uint64_t j; 35042fdbea25SAleksandr Guzovskiy uint64_t off; 35052fdbea25SAleksandr Guzovskiy 35062fdbea25SAleksandr Guzovskiy /* 35072fdbea25SAleksandr Guzovskiy * In iteration 5 (i == 5) use arcbufs 35082fdbea25SAleksandr Guzovskiy * that don't match bigobj blksz to test 35092fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() when it can't directly 35102fdbea25SAleksandr Guzovskiy * assign an arcbuf to a dbuf. 35112fdbea25SAleksandr Guzovskiy */ 35122fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 35132fdbea25SAleksandr Guzovskiy if (i != 5) { 35142fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j] = 3515b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize); 35162fdbea25SAleksandr Guzovskiy } else { 35172fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j] = 3518b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 35192fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1] = 3520b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 35212fdbea25SAleksandr Guzovskiy } 35222fdbea25SAleksandr Guzovskiy } 35232fdbea25SAleksandr Guzovskiy 35242fdbea25SAleksandr Guzovskiy /* 35252fdbea25SAleksandr Guzovskiy * Get a tx for the mods to both packobj and bigobj. 35262fdbea25SAleksandr Guzovskiy */ 35272fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 35282fdbea25SAleksandr Guzovskiy 3529b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3530b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 35312fdbea25SAleksandr Guzovskiy 3532b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3533b24ab676SJeff Bonwick if (txg == 0) { 35342fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 35352fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 35362fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 35372fdbea25SAleksandr Guzovskiy if (i != 5) { 35382fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(bigbuf_arcbufs[j]); 35392fdbea25SAleksandr Guzovskiy } else { 35402fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 35412fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]); 35422fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 35432fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]); 35442fdbea25SAleksandr Guzovskiy } 35452fdbea25SAleksandr Guzovskiy } 35462fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 35472fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 35482fdbea25SAleksandr Guzovskiy return; 35492fdbea25SAleksandr Guzovskiy } 35502fdbea25SAleksandr Guzovskiy 35512fdbea25SAleksandr Guzovskiy /* 35522fdbea25SAleksandr Guzovskiy * 50% of the time don't read objects in the 1st iteration to 35532fdbea25SAleksandr Guzovskiy * test dmu_assign_arcbuf() for the case when there're no 35542fdbea25SAleksandr Guzovskiy * existing dbufs for the specified offsets. 35552fdbea25SAleksandr Guzovskiy */ 35562fdbea25SAleksandr Guzovskiy if (i != 0 || ztest_random(2) != 0) { 3557b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, 35587bfdf011SNeil Perrin packsize, packbuf, DMU_READ_PREFETCH); 35592fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 3560b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, 35617bfdf011SNeil Perrin bigbuf, DMU_READ_PREFETCH); 35622fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 35632fdbea25SAleksandr Guzovskiy } 35642fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(s, packbuf, bigbuf, bigsize, 3565b24ab676SJeff Bonwick n, chunksize, txg); 35662fdbea25SAleksandr Guzovskiy 35672fdbea25SAleksandr Guzovskiy /* 35682fdbea25SAleksandr Guzovskiy * We've verified all the old bufwads, and made new ones. 35692fdbea25SAleksandr Guzovskiy * Now write them out. 35702fdbea25SAleksandr Guzovskiy */ 3571b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3572b24ab676SJeff Bonwick if (zopt_verbose >= 7) { 35732fdbea25SAleksandr Guzovskiy (void) printf("writing offset %llx size %llx" 35742fdbea25SAleksandr Guzovskiy " txg %llx\n", 35752fdbea25SAleksandr Guzovskiy (u_longlong_t)bigoff, 35762fdbea25SAleksandr Guzovskiy (u_longlong_t)bigsize, 35772fdbea25SAleksandr Guzovskiy (u_longlong_t)txg); 35782fdbea25SAleksandr Guzovskiy } 3579b24ab676SJeff Bonwick for (off = bigoff, j = 0; j < s; j++, off += chunksize) { 35802fdbea25SAleksandr Guzovskiy dmu_buf_t *dbt; 35812fdbea25SAleksandr Guzovskiy if (i != 5) { 35822fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 3583b24ab676SJeff Bonwick bigbuf_arcbufs[j]->b_data, chunksize); 35842fdbea25SAleksandr Guzovskiy } else { 35852fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 35862fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]->b_data, 3587b24ab676SJeff Bonwick chunksize / 2); 35882fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff) + 3589b24ab676SJeff Bonwick chunksize / 2, 35902fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]->b_data, 3591b24ab676SJeff Bonwick chunksize / 2); 35922fdbea25SAleksandr Guzovskiy } 35932fdbea25SAleksandr Guzovskiy 35942fdbea25SAleksandr Guzovskiy if (i == 1) { 3595b24ab676SJeff Bonwick VERIFY(dmu_buf_hold(os, bigobj, off, 35962fdbea25SAleksandr Guzovskiy FTAG, &dbt) == 0); 35972fdbea25SAleksandr Guzovskiy } 35982fdbea25SAleksandr Guzovskiy if (i != 5) { 35992fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 36002fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j], tx); 36012fdbea25SAleksandr Guzovskiy } else { 36022fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 36032fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j], tx); 36042fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, 3605b24ab676SJeff Bonwick off + chunksize / 2, 36062fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1], tx); 36072fdbea25SAleksandr Guzovskiy } 36082fdbea25SAleksandr Guzovskiy if (i == 1) { 36092fdbea25SAleksandr Guzovskiy dmu_buf_rele(dbt, FTAG); 36102fdbea25SAleksandr Guzovskiy } 36112fdbea25SAleksandr Guzovskiy } 36122fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 36132fdbea25SAleksandr Guzovskiy 36142fdbea25SAleksandr Guzovskiy /* 36152fdbea25SAleksandr Guzovskiy * Sanity check the stuff we just wrote. 36162fdbea25SAleksandr Guzovskiy */ 36172fdbea25SAleksandr Guzovskiy { 36182fdbea25SAleksandr Guzovskiy void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 36192fdbea25SAleksandr Guzovskiy void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 36202fdbea25SAleksandr Guzovskiy 3621b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 36227bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3623b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 36247bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 36252fdbea25SAleksandr Guzovskiy 36262fdbea25SAleksandr Guzovskiy ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 36272fdbea25SAleksandr Guzovskiy ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 36282fdbea25SAleksandr Guzovskiy 36292fdbea25SAleksandr Guzovskiy umem_free(packcheck, packsize); 36302fdbea25SAleksandr Guzovskiy umem_free(bigcheck, bigsize); 36312fdbea25SAleksandr Guzovskiy } 36322fdbea25SAleksandr Guzovskiy if (i == 2) { 3633b24ab676SJeff Bonwick txg_wait_open(dmu_objset_pool(os), 0); 3634b24ab676SJeff Bonwick } else if (i == 3) { 3635b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 3636fa9e4066Sahrens } 3637e05725b1Sbonwick } 3638e05725b1Sbonwick 3639b24ab676SJeff Bonwick dmu_buf_rele(bonus_db, FTAG); 3640b24ab676SJeff Bonwick umem_free(packbuf, packsize); 3641b24ab676SJeff Bonwick umem_free(bigbuf, bigsize); 3642b24ab676SJeff Bonwick umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 3643b24ab676SJeff Bonwick } 3644fa9e4066Sahrens 3645b24ab676SJeff Bonwick /* ARGSUSED */ 3646b24ab676SJeff Bonwick void 3647b24ab676SJeff Bonwick ztest_dmu_write_parallel(ztest_ds_t *zd, uint64_t id) 3648b24ab676SJeff Bonwick { 3649b24ab676SJeff Bonwick ztest_od_t od[1]; 3650b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(20) + 43)) + 3651b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3652fa9e4066Sahrens 3653e05725b1Sbonwick /* 3654b24ab676SJeff Bonwick * Have multiple threads write to large offsets in an object 3655b24ab676SJeff Bonwick * to verify that parallel writes to an object -- even to the 3656b24ab676SJeff Bonwick * same blocks within the object -- doesn't cause any trouble. 3657e05725b1Sbonwick */ 3658b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 3659fa9e4066Sahrens 3660b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3661e05725b1Sbonwick return; 3662fa9e4066Sahrens 3663b24ab676SJeff Bonwick while (ztest_random(10) != 0) 3664b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, offset); 3665b24ab676SJeff Bonwick } 3666fa9e4066Sahrens 3667b24ab676SJeff Bonwick void 3668b24ab676SJeff Bonwick ztest_dmu_prealloc(ztest_ds_t *zd, uint64_t id) 3669b24ab676SJeff Bonwick { 3670b24ab676SJeff Bonwick ztest_od_t od[1]; 3671b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(4) + SPA_MAXBLOCKSHIFT)) + 3672b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3673b24ab676SJeff Bonwick uint64_t count = ztest_random(20) + 1; 3674b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3675b24ab676SJeff Bonwick void *data; 3676fa9e4066Sahrens 3677b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3678fa9e4066Sahrens 3679b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3680e05725b1Sbonwick return; 36810e34b6a7Sbonwick 3682b24ab676SJeff Bonwick if (ztest_truncate(zd, od[0].od_object, offset, count * blocksize) != 0) 3683f4a72450SJeff Bonwick return; 3684f4a72450SJeff Bonwick 3685b24ab676SJeff Bonwick ztest_prealloc(zd, od[0].od_object, offset, count * blocksize); 3686fa9e4066Sahrens 3687b24ab676SJeff Bonwick data = umem_zalloc(blocksize, UMEM_NOFAIL); 3688b24ab676SJeff Bonwick 3689b24ab676SJeff Bonwick while (ztest_random(count) != 0) { 3690b24ab676SJeff Bonwick uint64_t randoff = offset + (ztest_random(count) * blocksize); 3691b24ab676SJeff Bonwick if (ztest_write(zd, od[0].od_object, randoff, blocksize, 3692b24ab676SJeff Bonwick data) != 0) 3693b24ab676SJeff Bonwick break; 3694b24ab676SJeff Bonwick while (ztest_random(4) != 0) 3695b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, randoff); 3696b24ab676SJeff Bonwick } 3697b24ab676SJeff Bonwick 3698b24ab676SJeff Bonwick umem_free(data, blocksize); 3699fa9e4066Sahrens } 3700fa9e4066Sahrens 3701fa9e4066Sahrens /* 3702fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 3703fa9e4066Sahrens */ 3704fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 3705fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 3706fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 3707fa9e4066Sahrens 3708fa9e4066Sahrens void 3709b24ab676SJeff Bonwick ztest_zap(ztest_ds_t *zd, uint64_t id) 3710fa9e4066Sahrens { 3711b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3712b24ab676SJeff Bonwick ztest_od_t od[1]; 3713fa9e4066Sahrens uint64_t object; 3714fa9e4066Sahrens uint64_t txg, last_txg; 3715fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 3716fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 3717fa9e4066Sahrens int i, ints; 3718fa9e4066Sahrens dmu_tx_t *tx; 3719fa9e4066Sahrens char propname[100], txgname[100]; 3720fa9e4066Sahrens int error; 3721fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 3722fa9e4066Sahrens 3723b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 3724fa9e4066Sahrens 3725b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3726b24ab676SJeff Bonwick return; 3727fa9e4066Sahrens 3728b24ab676SJeff Bonwick object = od[0].od_object; 3729fa9e4066Sahrens 3730b24ab676SJeff Bonwick /* 3731b24ab676SJeff Bonwick * Generate a known hash collision, and verify that 3732b24ab676SJeff Bonwick * we can lookup and remove both entries. 3733b24ab676SJeff Bonwick */ 3734b24ab676SJeff Bonwick tx = dmu_tx_create(os); 3735b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3736b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3737b24ab676SJeff Bonwick if (txg == 0) 3738b24ab676SJeff Bonwick return; 3739b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3740b24ab676SJeff Bonwick value[i] = i; 3741b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_add(os, object, hc[i], sizeof (uint64_t), 3742b24ab676SJeff Bonwick 1, &value[i], tx)); 3743b24ab676SJeff Bonwick } 3744b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3745b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, zap_add(os, object, hc[i], 3746b24ab676SJeff Bonwick sizeof (uint64_t), 1, &value[i], tx)); 3747b24ab676SJeff Bonwick VERIFY3U(0, ==, 3748b24ab676SJeff Bonwick zap_length(os, object, hc[i], &zl_intsize, &zl_ints)); 3749b24ab676SJeff Bonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3750b24ab676SJeff Bonwick ASSERT3U(zl_ints, ==, 1); 3751fa9e4066Sahrens } 3752b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3753b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, object, hc[i], tx)); 3754b24ab676SJeff Bonwick } 3755b24ab676SJeff Bonwick dmu_tx_commit(tx); 3756fa9e4066Sahrens 3757b24ab676SJeff Bonwick /* 3758b24ab676SJeff Bonwick * Generate a buch of random entries. 3759b24ab676SJeff Bonwick */ 3760fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 3761fa9e4066Sahrens 3762e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 3763e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 3764e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 3765e05725b1Sbonwick bzero(value, sizeof (value)); 3766e05725b1Sbonwick last_txg = 0; 3767fa9e4066Sahrens 3768e05725b1Sbonwick /* 3769e05725b1Sbonwick * If these zap entries already exist, validate their contents. 3770e05725b1Sbonwick */ 3771e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 3772e05725b1Sbonwick if (error == 0) { 3773e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3774e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 3775fa9e4066Sahrens 3776e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 3777e05725b1Sbonwick zl_ints, &last_txg) == 0); 3778fa9e4066Sahrens 3779e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 3780e05725b1Sbonwick &zl_ints) == 0); 3781fa9e4066Sahrens 3782e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3783e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 3784fa9e4066Sahrens 3785e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 3786e05725b1Sbonwick zl_ints, value) == 0); 3787fa9e4066Sahrens 3788e05725b1Sbonwick for (i = 0; i < ints; i++) { 3789e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 3790fa9e4066Sahrens } 3791e05725b1Sbonwick } else { 3792e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 3793e05725b1Sbonwick } 3794fa9e4066Sahrens 3795e05725b1Sbonwick /* 3796e05725b1Sbonwick * Atomically update two entries in our zap object. 3797e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 3798e05725b1Sbonwick * in which the property was last updated. The second 3799e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 3800e05725b1Sbonwick * should be txg + object + n. 3801e05725b1Sbonwick */ 3802e05725b1Sbonwick tx = dmu_tx_create(os); 3803b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3804b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3805b24ab676SJeff Bonwick if (txg == 0) 3806e05725b1Sbonwick return; 3807fa9e4066Sahrens 3808e05725b1Sbonwick if (last_txg > txg) 3809e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 3810fa9e4066Sahrens 3811e05725b1Sbonwick for (i = 0; i < ints; i++) 3812e05725b1Sbonwick value[i] = txg + object + i; 3813fa9e4066Sahrens 3814b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_update(os, object, txgname, sizeof (uint64_t), 3815b24ab676SJeff Bonwick 1, &txg, tx)); 3816b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_update(os, object, propname, sizeof (uint64_t), 3817b24ab676SJeff Bonwick ints, value, tx)); 3818fa9e4066Sahrens 3819e05725b1Sbonwick dmu_tx_commit(tx); 3820fa9e4066Sahrens 3821e05725b1Sbonwick /* 3822e05725b1Sbonwick * Remove a random pair of entries. 3823e05725b1Sbonwick */ 3824e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 3825e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 3826e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 3827fa9e4066Sahrens 3828e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 3829fa9e4066Sahrens 3830e05725b1Sbonwick if (error == ENOENT) 3831e05725b1Sbonwick return; 3832fa9e4066Sahrens 3833e05725b1Sbonwick ASSERT3U(error, ==, 0); 3834fa9e4066Sahrens 3835e05725b1Sbonwick tx = dmu_tx_create(os); 3836b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3837b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3838b24ab676SJeff Bonwick if (txg == 0) 383912a2833aSSanjeev Bagewadi return; 3840b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, object, txgname, tx)); 3841b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, object, propname, tx)); 384212a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 384312a2833aSSanjeev Bagewadi } 384412a2833aSSanjeev Bagewadi 384512a2833aSSanjeev Bagewadi /* 384612a2833aSSanjeev Bagewadi * Testcase to test the upgrading of a microzap to fatzap. 384712a2833aSSanjeev Bagewadi */ 384812a2833aSSanjeev Bagewadi void 3849b24ab676SJeff Bonwick ztest_fzap(ztest_ds_t *zd, uint64_t id) 385012a2833aSSanjeev Bagewadi { 3851b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3852b24ab676SJeff Bonwick ztest_od_t od[1]; 3853b24ab676SJeff Bonwick uint64_t object, txg; 385412a2833aSSanjeev Bagewadi 3855b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 385612a2833aSSanjeev Bagewadi 3857b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3858b24ab676SJeff Bonwick return; 385912a2833aSSanjeev Bagewadi 3860b24ab676SJeff Bonwick object = od[0].od_object; 386112a2833aSSanjeev Bagewadi 386212a2833aSSanjeev Bagewadi /* 3863b24ab676SJeff Bonwick * Add entries to this ZAP and make sure it spills over 386412a2833aSSanjeev Bagewadi * and gets upgraded to a fatzap. Also, since we are adding 3865b24ab676SJeff Bonwick * 2050 entries we should see ptrtbl growth and leaf-block split. 386612a2833aSSanjeev Bagewadi */ 3867b24ab676SJeff Bonwick for (int i = 0; i < 2050; i++) { 3868b24ab676SJeff Bonwick char name[MAXNAMELEN]; 3869b24ab676SJeff Bonwick uint64_t value = i; 3870b24ab676SJeff Bonwick dmu_tx_t *tx; 3871b24ab676SJeff Bonwick int error; 387212a2833aSSanjeev Bagewadi 3873b24ab676SJeff Bonwick (void) snprintf(name, sizeof (name), "fzap-%llu-%llu", 3874b24ab676SJeff Bonwick id, value); 387512a2833aSSanjeev Bagewadi 3876b24ab676SJeff Bonwick tx = dmu_tx_create(os); 3877b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, name); 3878b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3879b24ab676SJeff Bonwick if (txg == 0) 388012a2833aSSanjeev Bagewadi return; 3881b24ab676SJeff Bonwick error = zap_add(os, object, name, sizeof (uint64_t), 1, 3882b24ab676SJeff Bonwick &value, tx); 388312a2833aSSanjeev Bagewadi ASSERT(error == 0 || error == EEXIST); 388412a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 388512a2833aSSanjeev Bagewadi } 3886fa9e4066Sahrens } 3887fa9e4066Sahrens 3888b24ab676SJeff Bonwick /* ARGSUSED */ 3889fa9e4066Sahrens void 3890b24ab676SJeff Bonwick ztest_zap_parallel(ztest_ds_t *zd, uint64_t id) 3891fa9e4066Sahrens { 3892b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3893b24ab676SJeff Bonwick ztest_od_t od[1]; 3894fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 3895fa9e4066Sahrens dmu_tx_t *tx; 3896fa9e4066Sahrens int i, namelen, error; 3897b24ab676SJeff Bonwick int micro = ztest_random(2); 3898fa9e4066Sahrens char name[20], string_value[20]; 3899fa9e4066Sahrens void *data; 3900fa9e4066Sahrens 3901b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, micro, DMU_OT_ZAP_OTHER, 0, 0); 3902b24ab676SJeff Bonwick 3903b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3904b24ab676SJeff Bonwick return; 3905b24ab676SJeff Bonwick 3906b24ab676SJeff Bonwick object = od[0].od_object; 3907b24ab676SJeff Bonwick 3908e05725b1Sbonwick /* 3909e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 3910e05725b1Sbonwick * x is a random printable character and the dots are dots. 3911e05725b1Sbonwick * There are 94 such characters, and the name length goes from 3912e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 3913e05725b1Sbonwick */ 3914e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 3915fa9e4066Sahrens 3916e05725b1Sbonwick for (i = 0; i < 3; i++) 3917e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 3918e05725b1Sbonwick for (; i < namelen - 1; i++) 3919e05725b1Sbonwick name[i] = '.'; 3920e05725b1Sbonwick name[i] = '\0'; 3921fa9e4066Sahrens 3922b24ab676SJeff Bonwick if ((namelen & 1) || micro) { 3923e05725b1Sbonwick wsize = sizeof (txg); 3924e05725b1Sbonwick wc = 1; 3925e05725b1Sbonwick data = &txg; 3926e05725b1Sbonwick } else { 3927e05725b1Sbonwick wsize = 1; 3928e05725b1Sbonwick wc = namelen; 3929e05725b1Sbonwick data = string_value; 3930e05725b1Sbonwick } 3931fa9e4066Sahrens 3932e05725b1Sbonwick count = -1ULL; 3933e05725b1Sbonwick VERIFY(zap_count(os, object, &count) == 0); 3934e05725b1Sbonwick ASSERT(count != -1ULL); 3935fa9e4066Sahrens 3936e05725b1Sbonwick /* 3937e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 3938e05725b1Sbonwick */ 3939e05725b1Sbonwick i = ztest_random(5); 3940e05725b1Sbonwick 3941e05725b1Sbonwick if (i >= 2) { 3942e05725b1Sbonwick tx = dmu_tx_create(os); 3943b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3944b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3945b24ab676SJeff Bonwick if (txg == 0) 3946e05725b1Sbonwick return; 3947e05725b1Sbonwick bcopy(name, string_value, namelen); 3948e05725b1Sbonwick } else { 3949e05725b1Sbonwick tx = NULL; 3950e05725b1Sbonwick txg = 0; 3951e05725b1Sbonwick bzero(string_value, namelen); 3952e05725b1Sbonwick } 3953fa9e4066Sahrens 3954e05725b1Sbonwick switch (i) { 3955fa9e4066Sahrens 3956e05725b1Sbonwick case 0: 3957e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 3958e05725b1Sbonwick if (error == 0) { 3959e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 3960e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 3961e05725b1Sbonwick } else { 3962e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 3963e05725b1Sbonwick } 3964e05725b1Sbonwick break; 3965fa9e4066Sahrens 3966e05725b1Sbonwick case 1: 3967e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 3968e05725b1Sbonwick if (error == 0) { 3969e05725b1Sbonwick if (data == string_value && 3970e05725b1Sbonwick bcmp(name, data, namelen) != 0) 3971e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 3972e05725b1Sbonwick name, data, namelen); 3973e05725b1Sbonwick } else { 3974e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 3975e05725b1Sbonwick } 3976e05725b1Sbonwick break; 3977fa9e4066Sahrens 3978e05725b1Sbonwick case 2: 3979e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 3980e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 3981e05725b1Sbonwick break; 3982fa9e4066Sahrens 3983e05725b1Sbonwick case 3: 3984e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 3985e05725b1Sbonwick break; 3986fa9e4066Sahrens 3987e05725b1Sbonwick case 4: 3988e05725b1Sbonwick error = zap_remove(os, object, name, tx); 3989e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 3990e05725b1Sbonwick break; 3991fa9e4066Sahrens } 3992e05725b1Sbonwick 3993e05725b1Sbonwick if (tx != NULL) 3994e05725b1Sbonwick dmu_tx_commit(tx); 3995fa9e4066Sahrens } 3996fa9e4066Sahrens 3997d20e665cSRicardo M. Correia /* 3998d20e665cSRicardo M. Correia * Commit callback data. 3999d20e665cSRicardo M. Correia */ 4000d20e665cSRicardo M. Correia typedef struct ztest_cb_data { 4001d20e665cSRicardo M. Correia list_node_t zcd_node; 4002d20e665cSRicardo M. Correia uint64_t zcd_txg; 4003d20e665cSRicardo M. Correia int zcd_expected_err; 4004d20e665cSRicardo M. Correia boolean_t zcd_added; 4005d20e665cSRicardo M. Correia boolean_t zcd_called; 4006d20e665cSRicardo M. Correia spa_t *zcd_spa; 4007d20e665cSRicardo M. Correia } ztest_cb_data_t; 4008d20e665cSRicardo M. Correia 4009d20e665cSRicardo M. Correia /* This is the actual commit callback function */ 4010d20e665cSRicardo M. Correia static void 4011d20e665cSRicardo M. Correia ztest_commit_callback(void *arg, int error) 4012d20e665cSRicardo M. Correia { 4013d20e665cSRicardo M. Correia ztest_cb_data_t *data = arg; 4014d20e665cSRicardo M. Correia uint64_t synced_txg; 4015d20e665cSRicardo M. Correia 4016d20e665cSRicardo M. Correia VERIFY(data != NULL); 4017d20e665cSRicardo M. Correia VERIFY3S(data->zcd_expected_err, ==, error); 4018d20e665cSRicardo M. Correia VERIFY(!data->zcd_called); 4019d20e665cSRicardo M. Correia 4020d20e665cSRicardo M. Correia synced_txg = spa_last_synced_txg(data->zcd_spa); 4021d20e665cSRicardo M. Correia if (data->zcd_txg > synced_txg) 4022d20e665cSRicardo M. Correia fatal(0, "commit callback of txg %" PRIu64 " called prematurely" 4023d20e665cSRicardo M. Correia ", last synced txg = %" PRIu64 "\n", data->zcd_txg, 4024d20e665cSRicardo M. Correia synced_txg); 4025d20e665cSRicardo M. Correia 4026d20e665cSRicardo M. Correia data->zcd_called = B_TRUE; 4027d20e665cSRicardo M. Correia 4028d20e665cSRicardo M. Correia if (error == ECANCELED) { 4029d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, ==, 0); 4030d20e665cSRicardo M. Correia ASSERT(!data->zcd_added); 4031d20e665cSRicardo M. Correia 4032d20e665cSRicardo M. Correia /* 4033d20e665cSRicardo M. Correia * The private callback data should be destroyed here, but 4034d20e665cSRicardo M. Correia * since we are going to check the zcd_called field after 4035d20e665cSRicardo M. Correia * dmu_tx_abort(), we will destroy it there. 4036d20e665cSRicardo M. Correia */ 4037d20e665cSRicardo M. Correia return; 4038d20e665cSRicardo M. Correia } 4039d20e665cSRicardo M. Correia 4040d20e665cSRicardo M. Correia /* Was this callback added to the global callback list? */ 4041d20e665cSRicardo M. Correia if (!data->zcd_added) 4042d20e665cSRicardo M. Correia goto out; 4043d20e665cSRicardo M. Correia 4044d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, !=, 0); 4045d20e665cSRicardo M. Correia 4046d20e665cSRicardo M. Correia /* Remove our callback from the list */ 4047d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4048d20e665cSRicardo M. Correia list_remove(&zcl.zcl_callbacks, data); 4049d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4050d20e665cSRicardo M. Correia 4051d20e665cSRicardo M. Correia out: 4052d20e665cSRicardo M. Correia umem_free(data, sizeof (ztest_cb_data_t)); 4053d20e665cSRicardo M. Correia } 4054d20e665cSRicardo M. Correia 4055d20e665cSRicardo M. Correia /* Allocate and initialize callback data structure */ 4056d20e665cSRicardo M. Correia static ztest_cb_data_t * 4057d20e665cSRicardo M. Correia ztest_create_cb_data(objset_t *os, uint64_t txg) 4058d20e665cSRicardo M. Correia { 4059d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data; 4060d20e665cSRicardo M. Correia 4061d20e665cSRicardo M. Correia cb_data = umem_zalloc(sizeof (ztest_cb_data_t), UMEM_NOFAIL); 4062d20e665cSRicardo M. Correia 4063d20e665cSRicardo M. Correia cb_data->zcd_txg = txg; 4064d20e665cSRicardo M. Correia cb_data->zcd_spa = dmu_objset_spa(os); 4065d20e665cSRicardo M. Correia 4066d20e665cSRicardo M. Correia return (cb_data); 4067d20e665cSRicardo M. Correia } 4068d20e665cSRicardo M. Correia 4069d20e665cSRicardo M. Correia /* 4070d20e665cSRicardo M. Correia * If a number of txgs equal to this threshold have been created after a commit 4071d20e665cSRicardo M. Correia * callback has been registered but not called, then we assume there is an 4072d20e665cSRicardo M. Correia * implementation bug. 4073d20e665cSRicardo M. Correia */ 4074d20e665cSRicardo M. Correia #define ZTEST_COMMIT_CALLBACK_THRESH (TXG_CONCURRENT_STATES + 2) 4075d20e665cSRicardo M. Correia 4076d20e665cSRicardo M. Correia /* 4077d20e665cSRicardo M. Correia * Commit callback test. 4078d20e665cSRicardo M. Correia */ 4079d20e665cSRicardo M. Correia void 4080b24ab676SJeff Bonwick ztest_dmu_commit_callbacks(ztest_ds_t *zd, uint64_t id) 4081d20e665cSRicardo M. Correia { 4082b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4083b24ab676SJeff Bonwick ztest_od_t od[1]; 4084d20e665cSRicardo M. Correia dmu_tx_t *tx; 4085d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data[3], *tmp_cb; 4086d20e665cSRicardo M. Correia uint64_t old_txg, txg; 4087d20e665cSRicardo M. Correia int i, error; 4088d20e665cSRicardo M. Correia 4089b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 4090b24ab676SJeff Bonwick 4091b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4092b24ab676SJeff Bonwick return; 4093b24ab676SJeff Bonwick 4094d20e665cSRicardo M. Correia tx = dmu_tx_create(os); 4095d20e665cSRicardo M. Correia 4096d20e665cSRicardo M. Correia cb_data[0] = ztest_create_cb_data(os, 0); 4097d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[0]); 4098d20e665cSRicardo M. Correia 4099b24ab676SJeff Bonwick dmu_tx_hold_write(tx, od[0].od_object, 0, sizeof (uint64_t)); 4100d20e665cSRicardo M. Correia 4101d20e665cSRicardo M. Correia /* Every once in a while, abort the transaction on purpose */ 4102d20e665cSRicardo M. Correia if (ztest_random(100) == 0) 4103d20e665cSRicardo M. Correia error = -1; 4104d20e665cSRicardo M. Correia 4105d20e665cSRicardo M. Correia if (!error) 4106d20e665cSRicardo M. Correia error = dmu_tx_assign(tx, TXG_NOWAIT); 4107d20e665cSRicardo M. Correia 4108d20e665cSRicardo M. Correia txg = error ? 0 : dmu_tx_get_txg(tx); 4109d20e665cSRicardo M. Correia 4110d20e665cSRicardo M. Correia cb_data[0]->zcd_txg = txg; 4111d20e665cSRicardo M. Correia cb_data[1] = ztest_create_cb_data(os, txg); 4112d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[1]); 4113d20e665cSRicardo M. Correia 4114d20e665cSRicardo M. Correia if (error) { 4115d20e665cSRicardo M. Correia /* 4116d20e665cSRicardo M. Correia * It's not a strict requirement to call the registered 4117d20e665cSRicardo M. Correia * callbacks from inside dmu_tx_abort(), but that's what 4118d20e665cSRicardo M. Correia * it's supposed to happen in the current implementation 4119d20e665cSRicardo M. Correia * so we will check for that. 4120d20e665cSRicardo M. Correia */ 4121d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4122d20e665cSRicardo M. Correia cb_data[i]->zcd_expected_err = ECANCELED; 4123d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4124d20e665cSRicardo M. Correia } 4125d20e665cSRicardo M. Correia 4126d20e665cSRicardo M. Correia dmu_tx_abort(tx); 4127d20e665cSRicardo M. Correia 4128d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4129d20e665cSRicardo M. Correia VERIFY(cb_data[i]->zcd_called); 4130d20e665cSRicardo M. Correia umem_free(cb_data[i], sizeof (ztest_cb_data_t)); 4131d20e665cSRicardo M. Correia } 4132d20e665cSRicardo M. Correia 4133d20e665cSRicardo M. Correia return; 4134d20e665cSRicardo M. Correia } 4135d20e665cSRicardo M. Correia 4136d20e665cSRicardo M. Correia cb_data[2] = ztest_create_cb_data(os, txg); 4137d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[2]); 4138d20e665cSRicardo M. Correia 4139d20e665cSRicardo M. Correia /* 4140d20e665cSRicardo M. Correia * Read existing data to make sure there isn't a future leak. 4141d20e665cSRicardo M. Correia */ 4142b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, od[0].od_object, 0, sizeof (uint64_t), 4143d20e665cSRicardo M. Correia &old_txg, DMU_READ_PREFETCH)); 4144d20e665cSRicardo M. Correia 4145d20e665cSRicardo M. Correia if (old_txg > txg) 4146d20e665cSRicardo M. Correia fatal(0, "future leak: got %" PRIu64 ", open txg is %" PRIu64, 4147d20e665cSRicardo M. Correia old_txg, txg); 4148d20e665cSRicardo M. Correia 4149b24ab676SJeff Bonwick dmu_write(os, od[0].od_object, 0, sizeof (uint64_t), &txg, tx); 4150d20e665cSRicardo M. Correia 4151d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4152d20e665cSRicardo M. Correia 4153d20e665cSRicardo M. Correia /* 4154d20e665cSRicardo M. Correia * Since commit callbacks don't have any ordering requirement and since 4155d20e665cSRicardo M. Correia * it is theoretically possible for a commit callback to be called 4156d20e665cSRicardo M. Correia * after an arbitrary amount of time has elapsed since its txg has been 4157d20e665cSRicardo M. Correia * synced, it is difficult to reliably determine whether a commit 4158d20e665cSRicardo M. Correia * callback hasn't been called due to high load or due to a flawed 4159d20e665cSRicardo M. Correia * implementation. 4160d20e665cSRicardo M. Correia * 4161d20e665cSRicardo M. Correia * In practice, we will assume that if after a certain number of txgs a 4162d20e665cSRicardo M. Correia * commit callback hasn't been called, then most likely there's an 4163d20e665cSRicardo M. Correia * implementation bug.. 4164d20e665cSRicardo M. Correia */ 4165d20e665cSRicardo M. Correia tmp_cb = list_head(&zcl.zcl_callbacks); 4166d20e665cSRicardo M. Correia if (tmp_cb != NULL && 4167d20e665cSRicardo M. Correia tmp_cb->zcd_txg > txg - ZTEST_COMMIT_CALLBACK_THRESH) { 4168d20e665cSRicardo M. Correia fatal(0, "Commit callback threshold exceeded, oldest txg: %" 4169d20e665cSRicardo M. Correia PRIu64 ", open txg: %" PRIu64 "\n", tmp_cb->zcd_txg, txg); 4170d20e665cSRicardo M. Correia } 4171d20e665cSRicardo M. Correia 4172d20e665cSRicardo M. Correia /* 4173d20e665cSRicardo M. Correia * Let's find the place to insert our callbacks. 4174d20e665cSRicardo M. Correia * 4175d20e665cSRicardo M. Correia * Even though the list is ordered by txg, it is possible for the 4176d20e665cSRicardo M. Correia * insertion point to not be the end because our txg may already be 4177d20e665cSRicardo M. Correia * quiescing at this point and other callbacks in the open txg 4178d20e665cSRicardo M. Correia * (from other objsets) may have sneaked in. 4179d20e665cSRicardo M. Correia */ 4180d20e665cSRicardo M. Correia tmp_cb = list_tail(&zcl.zcl_callbacks); 4181d20e665cSRicardo M. Correia while (tmp_cb != NULL && tmp_cb->zcd_txg > txg) 4182d20e665cSRicardo M. Correia tmp_cb = list_prev(&zcl.zcl_callbacks, tmp_cb); 4183d20e665cSRicardo M. Correia 4184d20e665cSRicardo M. Correia /* Add the 3 callbacks to the list */ 4185d20e665cSRicardo M. Correia for (i = 0; i < 3; i++) { 4186d20e665cSRicardo M. Correia if (tmp_cb == NULL) 4187d20e665cSRicardo M. Correia list_insert_head(&zcl.zcl_callbacks, cb_data[i]); 4188d20e665cSRicardo M. Correia else 4189d20e665cSRicardo M. Correia list_insert_after(&zcl.zcl_callbacks, tmp_cb, 4190d20e665cSRicardo M. Correia cb_data[i]); 4191d20e665cSRicardo M. Correia 4192d20e665cSRicardo M. Correia cb_data[i]->zcd_added = B_TRUE; 4193d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4194d20e665cSRicardo M. Correia 4195d20e665cSRicardo M. Correia tmp_cb = cb_data[i]; 4196d20e665cSRicardo M. Correia } 4197d20e665cSRicardo M. Correia 4198d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4199d20e665cSRicardo M. Correia 4200d20e665cSRicardo M. Correia dmu_tx_commit(tx); 4201d20e665cSRicardo M. Correia } 4202d20e665cSRicardo M. Correia 4203b24ab676SJeff Bonwick /* ARGSUSED */ 4204fa9e4066Sahrens void 4205b24ab676SJeff Bonwick ztest_dsl_prop_get_set(ztest_ds_t *zd, uint64_t id) 4206fa9e4066Sahrens { 4207b24ab676SJeff Bonwick zfs_prop_t proplist[] = { 4208b24ab676SJeff Bonwick ZFS_PROP_CHECKSUM, 4209b24ab676SJeff Bonwick ZFS_PROP_COMPRESSION, 4210b24ab676SJeff Bonwick ZFS_PROP_COPIES, 4211b24ab676SJeff Bonwick ZFS_PROP_DEDUP 4212b24ab676SJeff Bonwick }; 4213b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4214fa9e4066Sahrens 4215b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 4216fa9e4066Sahrens 4217b24ab676SJeff Bonwick for (int p = 0; p < sizeof (proplist) / sizeof (proplist[0]); p++) 4218b24ab676SJeff Bonwick (void) ztest_dsl_prop_set_uint64(zd->zd_name, proplist[p], 4219b24ab676SJeff Bonwick ztest_random_dsl_prop(proplist[p]), (int)ztest_random(2)); 4220fa9e4066Sahrens 4221b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4222b24ab676SJeff Bonwick } 4223fa9e4066Sahrens 4224b24ab676SJeff Bonwick /* ARGSUSED */ 4225b24ab676SJeff Bonwick void 4226b24ab676SJeff Bonwick ztest_spa_prop_get_set(ztest_ds_t *zd, uint64_t id) 4227b24ab676SJeff Bonwick { 4228b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4229b24ab676SJeff Bonwick nvlist_t *props = NULL; 4230ea8dc4b6Seschrock 4231b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 4232ea8dc4b6Seschrock 4233b24ab676SJeff Bonwick (void) ztest_spa_prop_set_uint64(zs, ZPOOL_PROP_DEDUPDITTO, 4234b24ab676SJeff Bonwick ZIO_DEDUPDITTO_MIN + ztest_random(ZIO_DEDUPDITTO_MIN)); 4235fa9e4066Sahrens 4236b24ab676SJeff Bonwick VERIFY3U(spa_prop_get(zs->zs_spa, &props), ==, 0); 4237fa9e4066Sahrens 4238b24ab676SJeff Bonwick if (zopt_verbose >= 6) 4239b24ab676SJeff Bonwick dump_nvlist(props, 4); 4240fa9e4066Sahrens 4241b24ab676SJeff Bonwick nvlist_free(props); 4242fa9e4066Sahrens 4243b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4244fa9e4066Sahrens } 4245fa9e4066Sahrens 42465c987a37SChris Kirby /* 42475c987a37SChris Kirby * Test snapshot hold/release and deferred destroy. 42485c987a37SChris Kirby */ 42495c987a37SChris Kirby void 4250b24ab676SJeff Bonwick ztest_dmu_snapshot_hold(ztest_ds_t *zd, uint64_t id) 42515c987a37SChris Kirby { 42525c987a37SChris Kirby int error; 4253b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 42545c987a37SChris Kirby objset_t *origin; 42555c987a37SChris Kirby char snapname[100]; 42565c987a37SChris Kirby char fullname[100]; 42575c987a37SChris Kirby char clonename[100]; 42585c987a37SChris Kirby char tag[100]; 42595c987a37SChris Kirby char osname[MAXNAMELEN]; 42605c987a37SChris Kirby 42615c987a37SChris Kirby (void) rw_rdlock(&ztest_shared->zs_name_lock); 42625c987a37SChris Kirby 42635c987a37SChris Kirby dmu_objset_name(os, osname); 42645c987a37SChris Kirby 4265b24ab676SJeff Bonwick (void) snprintf(snapname, 100, "sh1_%llu", id); 42665c987a37SChris Kirby (void) snprintf(fullname, 100, "%s@%s", osname, snapname); 4267b24ab676SJeff Bonwick (void) snprintf(clonename, 100, "%s/ch1_%llu", osname, id); 4268b24ab676SJeff Bonwick (void) snprintf(tag, 100, "%tag_%llu", id); 42695c987a37SChris Kirby 42705c987a37SChris Kirby /* 42715c987a37SChris Kirby * Clean up from any previous run. 42725c987a37SChris Kirby */ 42735c987a37SChris Kirby (void) dmu_objset_destroy(clonename, B_FALSE); 42745c987a37SChris Kirby (void) dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 42755c987a37SChris Kirby (void) dmu_objset_destroy(fullname, B_FALSE); 42765c987a37SChris Kirby 42775c987a37SChris Kirby /* 42785c987a37SChris Kirby * Create snapshot, clone it, mark snap for deferred destroy, 42795c987a37SChris Kirby * destroy clone, verify snap was also destroyed. 42805c987a37SChris Kirby */ 42815c987a37SChris Kirby error = dmu_objset_snapshot(osname, snapname, NULL, FALSE); 42825c987a37SChris Kirby if (error) { 42835c987a37SChris Kirby if (error == ENOSPC) { 42845c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 42855c987a37SChris Kirby goto out; 42865c987a37SChris Kirby } 42875c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 42885c987a37SChris Kirby } 42895c987a37SChris Kirby 42905c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 42915c987a37SChris Kirby if (error) 42925c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 42935c987a37SChris Kirby 42945c987a37SChris Kirby error = dmu_objset_clone(clonename, dmu_objset_ds(origin), 0); 42955c987a37SChris Kirby dmu_objset_rele(origin, FTAG); 42965c987a37SChris Kirby if (error) { 42975c987a37SChris Kirby if (error == ENOSPC) { 42985c987a37SChris Kirby ztest_record_enospc("dmu_objset_clone"); 42995c987a37SChris Kirby goto out; 43005c987a37SChris Kirby } 43015c987a37SChris Kirby fatal(0, "dmu_objset_clone(%s) = %d", clonename, error); 43025c987a37SChris Kirby } 43035c987a37SChris Kirby 43045c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 43055c987a37SChris Kirby if (error) { 43065c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 43075c987a37SChris Kirby fullname, error); 43085c987a37SChris Kirby } 43095c987a37SChris Kirby 43105c987a37SChris Kirby error = dmu_objset_destroy(clonename, B_FALSE); 43115c987a37SChris Kirby if (error) 43125c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s) = %d", clonename, error); 43135c987a37SChris Kirby 43145c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 43155c987a37SChris Kirby if (error != ENOENT) 43165c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 43175c987a37SChris Kirby 43185c987a37SChris Kirby /* 43195c987a37SChris Kirby * Create snapshot, add temporary hold, verify that we can't 43205c987a37SChris Kirby * destroy a held snapshot, mark for deferred destroy, 43215c987a37SChris Kirby * release hold, verify snapshot was destroyed. 43225c987a37SChris Kirby */ 43235c987a37SChris Kirby error = dmu_objset_snapshot(osname, snapname, NULL, FALSE); 43245c987a37SChris Kirby if (error) { 43255c987a37SChris Kirby if (error == ENOSPC) { 43265c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 43275c987a37SChris Kirby goto out; 43285c987a37SChris Kirby } 43295c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 43305c987a37SChris Kirby } 43315c987a37SChris Kirby 43325c987a37SChris Kirby error = dsl_dataset_user_hold(osname, snapname, tag, B_FALSE, B_TRUE); 43335c987a37SChris Kirby if (error) 43345c987a37SChris Kirby fatal(0, "dsl_dataset_user_hold(%s)", fullname, tag); 43355c987a37SChris Kirby 43365c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_FALSE); 43375c987a37SChris Kirby if (error != EBUSY) { 43385c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_FALSE) = %d", 43395c987a37SChris Kirby fullname, error); 43405c987a37SChris Kirby } 43415c987a37SChris Kirby 43425c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 43435c987a37SChris Kirby if (error) { 43445c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 43455c987a37SChris Kirby fullname, error); 43465c987a37SChris Kirby } 43475c987a37SChris Kirby 43485c987a37SChris Kirby error = dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 43495c987a37SChris Kirby if (error) 43505c987a37SChris Kirby fatal(0, "dsl_dataset_user_release(%s)", fullname, tag); 43515c987a37SChris Kirby 43525c987a37SChris Kirby VERIFY(dmu_objset_hold(fullname, FTAG, &origin) == ENOENT); 43535c987a37SChris Kirby 43545c987a37SChris Kirby out: 43555c987a37SChris Kirby (void) rw_unlock(&ztest_shared->zs_name_lock); 43565c987a37SChris Kirby } 43575c987a37SChris Kirby 4358fa9e4066Sahrens /* 4359fa9e4066Sahrens * Inject random faults into the on-disk data. 4360fa9e4066Sahrens */ 4361b24ab676SJeff Bonwick /* ARGSUSED */ 4362fa9e4066Sahrens void 4363b24ab676SJeff Bonwick ztest_fault_inject(ztest_ds_t *zd, uint64_t id) 4364fa9e4066Sahrens { 4365b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4366b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 4367fa9e4066Sahrens int fd; 4368fa9e4066Sahrens uint64_t offset; 4369*1195e687SMark J Musante uint64_t leaves; 4370fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 4371fa9e4066Sahrens uint64_t top, leaf; 4372fa9e4066Sahrens char path0[MAXPATHLEN]; 4373fa9e4066Sahrens char pathrand[MAXPATHLEN]; 4374fa9e4066Sahrens size_t fsize; 4375fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 4376fa9e4066Sahrens int iters = 1000; 4377*1195e687SMark J Musante int maxfaults; 4378*1195e687SMark J Musante int mirror_save; 4379e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 4380ea8dc4b6Seschrock uint64_t guid0 = 0; 43818f18d1faSGeorge Wilson boolean_t islog = B_FALSE; 4382ea8dc4b6Seschrock 4383*1195e687SMark J Musante VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 4384*1195e687SMark J Musante maxfaults = MAXFAULTS(); 4385*1195e687SMark J Musante leaves = MAX(zs->zs_mirrors, 1) * zopt_raidz; 4386*1195e687SMark J Musante mirror_save = zs->zs_mirrors; 4387*1195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 4388*1195e687SMark J Musante 4389e14bb325SJeff Bonwick ASSERT(leaves >= 1); 4390fa9e4066Sahrens 4391fa9e4066Sahrens /* 4392e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 4393fa9e4066Sahrens */ 4394e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 4395fa9e4066Sahrens 4396e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 4397e14bb325SJeff Bonwick /* 4398b24ab676SJeff Bonwick * Inject errors on a normal data device or slog device. 4399e14bb325SJeff Bonwick */ 4400b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 4401*1195e687SMark J Musante leaf = ztest_random(leaves) + zs->zs_splits; 4402fa9e4066Sahrens 4403e14bb325SJeff Bonwick /* 4404e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 4405e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 4406e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 4407e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 4408e14bb325SJeff Bonwick */ 4409e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 4410*1195e687SMark J Musante zopt_dir, zopt_pool, top * leaves + zs->zs_splits); 4411e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 4412e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 4413fa9e4066Sahrens 4414e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 44158f18d1faSGeorge Wilson if (vd0 != NULL && vd0->vdev_top->vdev_islog) 44168f18d1faSGeorge Wilson islog = B_TRUE; 44178f18d1faSGeorge Wilson 4418e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 4419e14bb325SJeff Bonwick /* 4420e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 4421e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 4422e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 4423e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 4424e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 4425e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 4426e14bb325SJeff Bonwick * combination of this with injection of random data 4427e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 4428e14bb325SJeff Bonwick */ 4429e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 4430e14bb325SJeff Bonwick 4431e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 4432e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 4433e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 4434e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 4435e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 4436e14bb325SJeff Bonwick } else { 4437e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 4438e14bb325SJeff Bonwick } 4439e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 4440e14bb325SJeff Bonwick } 4441e14bb325SJeff Bonwick } else { 4442e14bb325SJeff Bonwick /* 4443e14bb325SJeff Bonwick * Inject errors on an l2cache device. 4444e14bb325SJeff Bonwick */ 4445e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 4446fa9e4066Sahrens 4447e14bb325SJeff Bonwick if (sav->sav_count == 0) { 4448e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4449e14bb325SJeff Bonwick return; 4450e14bb325SJeff Bonwick } 4451e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 4452ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 4453e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 4454e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 4455e14bb325SJeff Bonwick 4456e14bb325SJeff Bonwick leaf = 0; 4457e14bb325SJeff Bonwick leaves = 1; 4458e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 4459fa9e4066Sahrens } 4460fa9e4066Sahrens 4461e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4462e14bb325SJeff Bonwick 4463fa9e4066Sahrens /* 44648f18d1faSGeorge Wilson * If we can tolerate two or more faults, or we're dealing 44658f18d1faSGeorge Wilson * with a slog, randomly online/offline vd0. 4466fa9e4066Sahrens */ 44678f18d1faSGeorge Wilson if ((maxfaults >= 2 || islog) && guid0 != 0) { 44688ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 44698ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 44708ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 44718f18d1faSGeorge Wilson 44728f18d1faSGeorge Wilson /* 44738f18d1faSGeorge Wilson * We have to grab the zs_name_lock as writer to 44748f18d1faSGeorge Wilson * prevent a race between offlining a slog and 44758f18d1faSGeorge Wilson * destroying a dataset. Offlining the slog will 44768f18d1faSGeorge Wilson * grab a reference on the dataset which may cause 44778f18d1faSGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 44788f18d1faSGeorge Wilson * leaving the dataset in an inconsistent state. 44798f18d1faSGeorge Wilson */ 44808f18d1faSGeorge Wilson if (islog) 44818f18d1faSGeorge Wilson (void) rw_wrlock(&ztest_shared->zs_name_lock); 44828f18d1faSGeorge Wilson 44838ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 44848f18d1faSGeorge Wilson 44858f18d1faSGeorge Wilson if (islog) 44868f18d1faSGeorge Wilson (void) rw_unlock(&ztest_shared->zs_name_lock); 44878ad4d6ddSJeff Bonwick } else { 44888ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 44898ad4d6ddSJeff Bonwick } 4490fa9e4066Sahrens } 4491fa9e4066Sahrens 44928f18d1faSGeorge Wilson if (maxfaults == 0) 44938f18d1faSGeorge Wilson return; 44948f18d1faSGeorge Wilson 4495fa9e4066Sahrens /* 4496ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 4497fa9e4066Sahrens */ 4498fa9e4066Sahrens fd = open(pathrand, O_RDWR); 4499fa9e4066Sahrens 4500fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 4501fa9e4066Sahrens return; 4502fa9e4066Sahrens 4503fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 4504fa9e4066Sahrens 4505fa9e4066Sahrens while (--iters != 0) { 4506fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 4507fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 4508fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 4509fa9e4066Sahrens 4510fa9e4066Sahrens if (offset >= fsize) 4511fa9e4066Sahrens continue; 4512fa9e4066Sahrens 4513*1195e687SMark J Musante VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 4514*1195e687SMark J Musante if (mirror_save != zs->zs_mirrors) { 4515*1195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 4516*1195e687SMark J Musante (void) close(fd); 4517*1195e687SMark J Musante return; 4518*1195e687SMark J Musante } 4519fa9e4066Sahrens 4520fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 4521fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 4522fa9e4066Sahrens offset, pathrand); 4523*1195e687SMark J Musante 4524*1195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 4525*1195e687SMark J Musante 4526*1195e687SMark J Musante if (zopt_verbose >= 7) 4527*1195e687SMark J Musante (void) printf("injected bad word into %s," 4528*1195e687SMark J Musante " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 4529fa9e4066Sahrens } 4530fa9e4066Sahrens 4531fa9e4066Sahrens (void) close(fd); 4532fa9e4066Sahrens } 4533fa9e4066Sahrens 4534fa9e4066Sahrens /* 4535b24ab676SJeff Bonwick * Verify that DDT repair works as expected. 4536fa9e4066Sahrens */ 4537fa9e4066Sahrens void 4538b24ab676SJeff Bonwick ztest_ddt_repair(ztest_ds_t *zd, uint64_t id) 4539fa9e4066Sahrens { 4540b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4541b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 4542b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4543b24ab676SJeff Bonwick ztest_od_t od[1]; 4544b24ab676SJeff Bonwick uint64_t object, blocksize, txg, pattern, psize; 4545b24ab676SJeff Bonwick enum zio_checksum checksum = spa_dedup_checksum(spa); 4546b24ab676SJeff Bonwick dmu_buf_t *db; 4547b24ab676SJeff Bonwick dmu_tx_t *tx; 4548b24ab676SJeff Bonwick void *buf; 4549b24ab676SJeff Bonwick blkptr_t blk; 4550b24ab676SJeff Bonwick int copies = 2 * ZIO_DEDUPDITTO_MIN; 4551fa9e4066Sahrens 4552b24ab676SJeff Bonwick blocksize = ztest_random_blocksize(); 4553b24ab676SJeff Bonwick blocksize = MIN(blocksize, 2048); /* because we write so many */ 4554fa9e4066Sahrens 4555b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 4556fa9e4066Sahrens 4557b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4558b24ab676SJeff Bonwick return; 4559fa9e4066Sahrens 4560fa9e4066Sahrens /* 4561b24ab676SJeff Bonwick * Take the name lock as writer to prevent anyone else from changing 4562b24ab676SJeff Bonwick * the pool and dataset properies we need to maintain during this test. 4563fa9e4066Sahrens */ 4564b24ab676SJeff Bonwick (void) rw_wrlock(&zs->zs_name_lock); 4565fa9e4066Sahrens 4566b24ab676SJeff Bonwick if (ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_DEDUP, checksum, 4567b24ab676SJeff Bonwick B_FALSE) != 0 || 4568b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_COPIES, 1, 4569b24ab676SJeff Bonwick B_FALSE) != 0) { 4570b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4571b24ab676SJeff Bonwick return; 4572b24ab676SJeff Bonwick } 4573b24ab676SJeff Bonwick 4574b24ab676SJeff Bonwick object = od[0].od_object; 4575b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 4576b24ab676SJeff Bonwick pattern = spa_guid(spa) ^ dmu_objset_fsid_guid(os); 4577b24ab676SJeff Bonwick 4578b24ab676SJeff Bonwick ASSERT(object != 0); 4579b24ab676SJeff Bonwick 4580b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4581b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, 0, copies * blocksize); 4582b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 4583b24ab676SJeff Bonwick if (txg == 0) { 4584b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4585b24ab676SJeff Bonwick return; 4586b24ab676SJeff Bonwick } 4587fa9e4066Sahrens 4588fa9e4066Sahrens /* 4589b24ab676SJeff Bonwick * Write all the copies of our block. 4590fa9e4066Sahrens */ 4591b24ab676SJeff Bonwick for (int i = 0; i < copies; i++) { 4592b24ab676SJeff Bonwick uint64_t offset = i * blocksize; 4593b24ab676SJeff Bonwick VERIFY(dmu_buf_hold(os, object, offset, FTAG, &db) == 0); 4594b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 4595b24ab676SJeff Bonwick ASSERT(db->db_size == blocksize); 4596b24ab676SJeff Bonwick ASSERT(ztest_pattern_match(db->db_data, db->db_size, pattern) || 4597b24ab676SJeff Bonwick ztest_pattern_match(db->db_data, db->db_size, 0ULL)); 4598b24ab676SJeff Bonwick dmu_buf_will_fill(db, tx); 4599b24ab676SJeff Bonwick ztest_pattern_set(db->db_data, db->db_size, pattern); 4600b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4601b24ab676SJeff Bonwick } 4602fa9e4066Sahrens 4603b24ab676SJeff Bonwick dmu_tx_commit(tx); 4604b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), txg); 4605fa9e4066Sahrens 4606fa9e4066Sahrens /* 4607b24ab676SJeff Bonwick * Find out what block we got. 4608fa9e4066Sahrens */ 4609b24ab676SJeff Bonwick VERIFY(dmu_buf_hold(os, object, 0, FTAG, &db) == 0); 4610b24ab676SJeff Bonwick blk = *((dmu_buf_impl_t *)db)->db_blkptr; 4611b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4612fa9e4066Sahrens 4613fa9e4066Sahrens /* 4614b24ab676SJeff Bonwick * Damage the block. Dedup-ditto will save us when we read it later. 4615fa9e4066Sahrens */ 4616b24ab676SJeff Bonwick psize = BP_GET_PSIZE(&blk); 4617b24ab676SJeff Bonwick buf = zio_buf_alloc(psize); 4618b24ab676SJeff Bonwick ztest_pattern_set(buf, psize, ~pattern); 4619fa9e4066Sahrens 4620b24ab676SJeff Bonwick (void) zio_wait(zio_rewrite(NULL, spa, 0, &blk, 4621b24ab676SJeff Bonwick buf, psize, NULL, NULL, ZIO_PRIORITY_SYNC_WRITE, 4622b24ab676SJeff Bonwick ZIO_FLAG_CANFAIL | ZIO_FLAG_INDUCE_DAMAGE, NULL)); 4623fa9e4066Sahrens 4624b24ab676SJeff Bonwick zio_buf_free(buf, psize); 4625fa9e4066Sahrens 4626b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4627fa9e4066Sahrens } 4628fa9e4066Sahrens 4629fa9e4066Sahrens /* 4630b24ab676SJeff Bonwick * Scrub the pool. 4631fa9e4066Sahrens */ 4632b24ab676SJeff Bonwick /* ARGSUSED */ 4633b24ab676SJeff Bonwick void 4634b24ab676SJeff Bonwick ztest_scrub(ztest_ds_t *zd, uint64_t id) 4635fa9e4066Sahrens { 4636b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4637b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 4638fa9e4066Sahrens 4639b24ab676SJeff Bonwick (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 4640b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); /* wait a moment, then force a restart */ 4641b24ab676SJeff Bonwick (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 4642b24ab676SJeff Bonwick } 4643fa9e4066Sahrens 4644b24ab676SJeff Bonwick /* 4645b24ab676SJeff Bonwick * Rename the pool to a different name and then rename it back. 4646b24ab676SJeff Bonwick */ 4647b24ab676SJeff Bonwick /* ARGSUSED */ 4648b24ab676SJeff Bonwick void 4649b24ab676SJeff Bonwick ztest_spa_rename(ztest_ds_t *zd, uint64_t id) 4650b24ab676SJeff Bonwick { 4651b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4652b24ab676SJeff Bonwick char *oldname, *newname; 4653b24ab676SJeff Bonwick spa_t *spa; 4654fa9e4066Sahrens 4655b24ab676SJeff Bonwick (void) rw_wrlock(&zs->zs_name_lock); 4656fa9e4066Sahrens 4657b24ab676SJeff Bonwick oldname = zs->zs_pool; 4658b24ab676SJeff Bonwick newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 4659b24ab676SJeff Bonwick (void) strcpy(newname, oldname); 4660b24ab676SJeff Bonwick (void) strcat(newname, "_tmp"); 4661fa9e4066Sahrens 4662fa9e4066Sahrens /* 4663b24ab676SJeff Bonwick * Do the rename 4664fa9e4066Sahrens */ 4665b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_rename(oldname, newname)); 4666fa9e4066Sahrens 4667fa9e4066Sahrens /* 4668b24ab676SJeff Bonwick * Try to open it under the old name, which shouldn't exist 4669fa9e4066Sahrens */ 4670b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 4671fa9e4066Sahrens 4672fa9e4066Sahrens /* 4673b24ab676SJeff Bonwick * Open it under the new name and make sure it's still the same spa_t. 4674fa9e4066Sahrens */ 4675b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 4676fa9e4066Sahrens 4677b24ab676SJeff Bonwick ASSERT(spa == zs->zs_spa); 4678b24ab676SJeff Bonwick spa_close(spa, FTAG); 4679fa9e4066Sahrens 4680b24ab676SJeff Bonwick /* 4681b24ab676SJeff Bonwick * Rename it back to the original 4682b24ab676SJeff Bonwick */ 4683b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_rename(newname, oldname)); 4684fa9e4066Sahrens 4685fa9e4066Sahrens /* 4686b24ab676SJeff Bonwick * Make sure it can still be opened 4687fa9e4066Sahrens */ 4688b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 4689fa9e4066Sahrens 4690b24ab676SJeff Bonwick ASSERT(spa == zs->zs_spa); 4691b24ab676SJeff Bonwick spa_close(spa, FTAG); 4692fa9e4066Sahrens 4693b24ab676SJeff Bonwick umem_free(newname, strlen(newname) + 1); 4694b24ab676SJeff Bonwick 4695b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4696fa9e4066Sahrens } 4697fa9e4066Sahrens 4698b24ab676SJeff Bonwick /* 4699b24ab676SJeff Bonwick * Verify pool integrity by running zdb. 4700b24ab676SJeff Bonwick */ 4701fa9e4066Sahrens static void 4702b24ab676SJeff Bonwick ztest_run_zdb(char *pool) 4703fa9e4066Sahrens { 4704fa9e4066Sahrens int status; 4705fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 4706fa9e4066Sahrens char zbuf[1024]; 4707fa9e4066Sahrens char *bin; 47088654d025Sperrin char *ztest; 47098654d025Sperrin char *isa; 47108654d025Sperrin int isalen; 4711fa9e4066Sahrens FILE *fp; 4712fa9e4066Sahrens 4713fa9e4066Sahrens (void) realpath(getexecname(), zdb); 4714fa9e4066Sahrens 4715fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 4716fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 47178654d025Sperrin ztest = strstr(bin, "/ztest"); 47188654d025Sperrin isa = bin + 8; 47198654d025Sperrin isalen = ztest - isa; 47208654d025Sperrin isa = strdup(isa); 4721fa9e4066Sahrens /* LINTED */ 47223a57275aSck (void) sprintf(bin, 47236365109dSVictor Latushkin "/usr/sbin%.*s/zdb -bcc%s%s -U /tmp/zpool.cache %s", 47248654d025Sperrin isalen, 47258654d025Sperrin isa, 4726fa9e4066Sahrens zopt_verbose >= 3 ? "s" : "", 4727fa9e4066Sahrens zopt_verbose >= 4 ? "v" : "", 472888b7b0f2SMatthew Ahrens pool); 47298654d025Sperrin free(isa); 4730fa9e4066Sahrens 4731fa9e4066Sahrens if (zopt_verbose >= 5) 4732fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 4733fa9e4066Sahrens 4734fa9e4066Sahrens fp = popen(zdb, "r"); 4735fa9e4066Sahrens 4736fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 4737fa9e4066Sahrens if (zopt_verbose >= 3) 4738fa9e4066Sahrens (void) printf("%s", zbuf); 4739fa9e4066Sahrens 4740fa9e4066Sahrens status = pclose(fp); 4741fa9e4066Sahrens 4742fa9e4066Sahrens if (status == 0) 4743fa9e4066Sahrens return; 4744fa9e4066Sahrens 4745fa9e4066Sahrens ztest_dump_core = 0; 4746fa9e4066Sahrens if (WIFEXITED(status)) 4747fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 4748fa9e4066Sahrens else 4749fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 4750fa9e4066Sahrens } 4751fa9e4066Sahrens 4752fa9e4066Sahrens static void 4753fa9e4066Sahrens ztest_walk_pool_directory(char *header) 4754fa9e4066Sahrens { 4755fa9e4066Sahrens spa_t *spa = NULL; 4756fa9e4066Sahrens 4757fa9e4066Sahrens if (zopt_verbose >= 6) 4758fa9e4066Sahrens (void) printf("%s\n", header); 4759fa9e4066Sahrens 4760fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 4761fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 4762fa9e4066Sahrens if (zopt_verbose >= 6) 4763fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 4764fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 4765fa9e4066Sahrens } 4766fa9e4066Sahrens 4767fa9e4066Sahrens static void 4768fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 4769fa9e4066Sahrens { 47708ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 4771fa9e4066Sahrens uint64_t pool_guid; 4772fa9e4066Sahrens spa_t *spa; 4773fa9e4066Sahrens 4774fa9e4066Sahrens if (zopt_verbose >= 4) { 4775fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 4776fa9e4066Sahrens oldname, newname); 4777fa9e4066Sahrens } 4778fa9e4066Sahrens 4779fa9e4066Sahrens /* 4780fa9e4066Sahrens * Clean up from previous runs. 4781fa9e4066Sahrens */ 4782fa9e4066Sahrens (void) spa_destroy(newname); 4783fa9e4066Sahrens 4784fa9e4066Sahrens /* 4785fa9e4066Sahrens * Get the pool's configuration and guid. 4786fa9e4066Sahrens */ 4787b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 4788fa9e4066Sahrens 47898ad4d6ddSJeff Bonwick /* 47908ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 47918ad4d6ddSJeff Bonwick */ 47928ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 47938ad4d6ddSJeff Bonwick (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 47948ad4d6ddSJeff Bonwick 4795fa9e4066Sahrens pool_guid = spa_guid(spa); 4796fa9e4066Sahrens spa_close(spa, FTAG); 4797fa9e4066Sahrens 4798fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 4799fa9e4066Sahrens 4800fa9e4066Sahrens /* 4801fa9e4066Sahrens * Export it. 4802fa9e4066Sahrens */ 4803b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_export(oldname, &config, B_FALSE, B_FALSE)); 4804fa9e4066Sahrens 4805fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 4806fa9e4066Sahrens 48078ad4d6ddSJeff Bonwick /* 48088ad4d6ddSJeff Bonwick * Try to import it. 48098ad4d6ddSJeff Bonwick */ 48108ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 48118ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 48128ad4d6ddSJeff Bonwick nvlist_free(newconfig); 48138ad4d6ddSJeff Bonwick 4814fa9e4066Sahrens /* 4815fa9e4066Sahrens * Import it under the new name. 4816fa9e4066Sahrens */ 4817b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_import(newname, config, NULL)); 4818fa9e4066Sahrens 4819fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 4820fa9e4066Sahrens 4821fa9e4066Sahrens /* 4822fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 4823fa9e4066Sahrens */ 4824b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, spa_import(newname, config, NULL)); 4825fa9e4066Sahrens 4826fa9e4066Sahrens /* 4827fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 4828fa9e4066Sahrens */ 4829b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, spa_import(oldname, config, NULL)); 4830fa9e4066Sahrens 4831fa9e4066Sahrens /* 4832fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 4833fa9e4066Sahrens */ 4834b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 4835fa9e4066Sahrens 4836fa9e4066Sahrens /* 4837fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 4838fa9e4066Sahrens */ 4839b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 4840fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 4841fa9e4066Sahrens spa_close(spa, FTAG); 4842fa9e4066Sahrens 4843fa9e4066Sahrens nvlist_free(config); 4844fa9e4066Sahrens } 4845fa9e4066Sahrens 48468ad4d6ddSJeff Bonwick static void 48478ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 48488ad4d6ddSJeff Bonwick { 4849b24ab676SJeff Bonwick if (spa_suspended(spa) && zopt_verbose >= 6) 4850b24ab676SJeff Bonwick (void) printf("resuming from suspended state\n"); 4851b24ab676SJeff Bonwick spa_vdev_state_enter(spa, SCL_NONE); 4852b24ab676SJeff Bonwick vdev_clear(spa, NULL); 4853b24ab676SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 4854b24ab676SJeff Bonwick (void) zio_resume(spa); 48558ad4d6ddSJeff Bonwick } 48568ad4d6ddSJeff Bonwick 48570a4e9518Sgw static void * 48588ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 48590a4e9518Sgw { 4860e14bb325SJeff Bonwick spa_t *spa = arg; 48610a4e9518Sgw 48620a4e9518Sgw while (!ztest_exiting) { 4863b24ab676SJeff Bonwick if (spa_suspended(spa)) 4864b24ab676SJeff Bonwick ztest_resume(spa); 4865b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 48660a4e9518Sgw } 48670a4e9518Sgw return (NULL); 48680a4e9518Sgw } 48690a4e9518Sgw 4870b24ab676SJeff Bonwick static void * 4871b24ab676SJeff Bonwick ztest_deadman_thread(void *arg) 4872b24ab676SJeff Bonwick { 4873b24ab676SJeff Bonwick ztest_shared_t *zs = arg; 4874b24ab676SJeff Bonwick int grace = 300; 4875b24ab676SJeff Bonwick hrtime_t delta; 4876b24ab676SJeff Bonwick 4877b24ab676SJeff Bonwick delta = (zs->zs_thread_stop - zs->zs_thread_start) / NANOSEC + grace; 4878b24ab676SJeff Bonwick 4879b24ab676SJeff Bonwick (void) poll(NULL, 0, (int)(1000 * delta)); 4880b24ab676SJeff Bonwick 4881b24ab676SJeff Bonwick fatal(0, "failed to complete within %d seconds of deadline", grace); 4882b24ab676SJeff Bonwick 4883b24ab676SJeff Bonwick return (NULL); 4884b24ab676SJeff Bonwick } 4885b24ab676SJeff Bonwick 4886b24ab676SJeff Bonwick static void 4887b24ab676SJeff Bonwick ztest_execute(ztest_info_t *zi, uint64_t id) 4888b24ab676SJeff Bonwick { 4889b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4890b24ab676SJeff Bonwick ztest_ds_t *zd = &zs->zs_zd[id % zopt_datasets]; 4891b24ab676SJeff Bonwick hrtime_t functime = gethrtime(); 4892b24ab676SJeff Bonwick 4893b24ab676SJeff Bonwick for (int i = 0; i < zi->zi_iters; i++) 4894b24ab676SJeff Bonwick zi->zi_func(zd, id); 4895b24ab676SJeff Bonwick 4896b24ab676SJeff Bonwick functime = gethrtime() - functime; 4897b24ab676SJeff Bonwick 4898b24ab676SJeff Bonwick atomic_add_64(&zi->zi_call_count, 1); 4899b24ab676SJeff Bonwick atomic_add_64(&zi->zi_call_time, functime); 4900b24ab676SJeff Bonwick 4901b24ab676SJeff Bonwick if (zopt_verbose >= 4) { 4902b24ab676SJeff Bonwick Dl_info dli; 4903b24ab676SJeff Bonwick (void) dladdr((void *)zi->zi_func, &dli); 4904b24ab676SJeff Bonwick (void) printf("%6.2f sec in %s\n", 4905b24ab676SJeff Bonwick (double)functime / NANOSEC, dli.dli_sname); 4906b24ab676SJeff Bonwick } 4907b24ab676SJeff Bonwick } 4908b24ab676SJeff Bonwick 4909fa9e4066Sahrens static void * 4910fa9e4066Sahrens ztest_thread(void *arg) 4911fa9e4066Sahrens { 4912b24ab676SJeff Bonwick uint64_t id = (uintptr_t)arg; 4913fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 4914b24ab676SJeff Bonwick uint64_t call_next; 4915b24ab676SJeff Bonwick hrtime_t now; 4916fa9e4066Sahrens ztest_info_t *zi; 4917fa9e4066Sahrens 4918b24ab676SJeff Bonwick while ((now = gethrtime()) < zs->zs_thread_stop) { 4919fa9e4066Sahrens /* 4920fa9e4066Sahrens * See if it's time to force a crash. 4921fa9e4066Sahrens */ 4922b24ab676SJeff Bonwick if (now > zs->zs_thread_kill) 4923b24ab676SJeff Bonwick ztest_kill(zs); 4924fa9e4066Sahrens 4925fa9e4066Sahrens /* 4926b24ab676SJeff Bonwick * If we're getting ENOSPC with some regularity, stop. 4927fa9e4066Sahrens */ 4928b24ab676SJeff Bonwick if (zs->zs_enospc_count > 10) 4929b24ab676SJeff Bonwick break; 4930fa9e4066Sahrens 4931fa9e4066Sahrens /* 4932b24ab676SJeff Bonwick * Pick a random function to execute. 4933fa9e4066Sahrens */ 4934b24ab676SJeff Bonwick zi = &zs->zs_info[ztest_random(ZTEST_FUNCS)]; 4935b24ab676SJeff Bonwick call_next = zi->zi_call_next; 4936b24ab676SJeff Bonwick 4937b24ab676SJeff Bonwick if (now >= call_next && 4938b24ab676SJeff Bonwick atomic_cas_64(&zi->zi_call_next, call_next, call_next + 4939b24ab676SJeff Bonwick ztest_random(2 * zi->zi_interval[0] + 1)) == call_next) 4940b24ab676SJeff Bonwick ztest_execute(zi, id); 4941b24ab676SJeff Bonwick } 4942fa9e4066Sahrens 4943b24ab676SJeff Bonwick return (NULL); 4944b24ab676SJeff Bonwick } 4945fa9e4066Sahrens 4946b24ab676SJeff Bonwick static void 4947b24ab676SJeff Bonwick ztest_dataset_name(char *dsname, char *pool, int d) 4948b24ab676SJeff Bonwick { 4949b24ab676SJeff Bonwick (void) snprintf(dsname, MAXNAMELEN, "%s/ds_%d", pool, d); 4950b24ab676SJeff Bonwick } 4951fa9e4066Sahrens 4952b24ab676SJeff Bonwick static void 4953b24ab676SJeff Bonwick ztest_dataset_destroy(ztest_shared_t *zs, int d) 4954b24ab676SJeff Bonwick { 4955b24ab676SJeff Bonwick char name[MAXNAMELEN]; 4956fa9e4066Sahrens 4957b24ab676SJeff Bonwick ztest_dataset_name(name, zs->zs_pool, d); 4958fa9e4066Sahrens 4959b24ab676SJeff Bonwick if (zopt_verbose >= 3) 4960b24ab676SJeff Bonwick (void) printf("Destroying %s to free up space\n", name); 4961fa9e4066Sahrens 4962b24ab676SJeff Bonwick /* 4963b24ab676SJeff Bonwick * Cleanup any non-standard clones and snapshots. In general, 4964b24ab676SJeff Bonwick * ztest thread t operates on dataset (t % zopt_datasets), 4965b24ab676SJeff Bonwick * so there may be more than one thing to clean up. 4966b24ab676SJeff Bonwick */ 4967b24ab676SJeff Bonwick for (int t = d; t < zopt_threads; t += zopt_datasets) 4968b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(name, t); 4969fa9e4066Sahrens 4970b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 4971b24ab676SJeff Bonwick DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 4972b24ab676SJeff Bonwick } 4973b24ab676SJeff Bonwick 4974b24ab676SJeff Bonwick static void 4975b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(ztest_ds_t *zd) 4976b24ab676SJeff Bonwick { 4977b24ab676SJeff Bonwick uint64_t usedobjs, dirobjs, scratch; 4978b24ab676SJeff Bonwick 4979b24ab676SJeff Bonwick /* 4980b24ab676SJeff Bonwick * ZTEST_DIROBJ is the object directory for the entire dataset. 4981b24ab676SJeff Bonwick * Therefore, the number of objects in use should equal the 4982b24ab676SJeff Bonwick * number of ZTEST_DIROBJ entries, +1 for ZTEST_DIROBJ itself. 4983b24ab676SJeff Bonwick * If not, we have an object leak. 4984b24ab676SJeff Bonwick * 4985b24ab676SJeff Bonwick * Note that we can only check this in ztest_dataset_open(), 4986b24ab676SJeff Bonwick * when the open-context and syncing-context values agree. 4987b24ab676SJeff Bonwick * That's because zap_count() returns the open-context value, 4988b24ab676SJeff Bonwick * while dmu_objset_space() returns the rootbp fill count. 4989b24ab676SJeff Bonwick */ 4990b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_count(zd->zd_os, ZTEST_DIROBJ, &dirobjs)); 4991b24ab676SJeff Bonwick dmu_objset_space(zd->zd_os, &scratch, &scratch, &usedobjs, &scratch); 4992b24ab676SJeff Bonwick ASSERT3U(dirobjs + 1, ==, usedobjs); 4993b24ab676SJeff Bonwick } 4994b24ab676SJeff Bonwick 4995b24ab676SJeff Bonwick static int 4996b24ab676SJeff Bonwick ztest_dataset_open(ztest_shared_t *zs, int d) 4997b24ab676SJeff Bonwick { 4998b24ab676SJeff Bonwick ztest_ds_t *zd = &zs->zs_zd[d]; 4999b24ab676SJeff Bonwick uint64_t committed_seq = zd->zd_seq; 5000b24ab676SJeff Bonwick objset_t *os; 5001b24ab676SJeff Bonwick zilog_t *zilog; 5002b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5003b24ab676SJeff Bonwick int error; 5004b24ab676SJeff Bonwick 5005b24ab676SJeff Bonwick ztest_dataset_name(name, zs->zs_pool, d); 5006b24ab676SJeff Bonwick 5007b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 5008b24ab676SJeff Bonwick 5009b24ab676SJeff Bonwick error = dmu_objset_create(name, DMU_OST_OTHER, 0, 5010b24ab676SJeff Bonwick ztest_objset_create_cb, NULL); 5011b24ab676SJeff Bonwick if (error == ENOSPC) { 5012b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 5013b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 5014b24ab676SJeff Bonwick return (error); 5015fa9e4066Sahrens } 5016b24ab676SJeff Bonwick ASSERT(error == 0 || error == EEXIST); 5017fa9e4066Sahrens 5018b24ab676SJeff Bonwick VERIFY3U(dmu_objset_hold(name, zd, &os), ==, 0); 5019b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 5020b24ab676SJeff Bonwick 5021b24ab676SJeff Bonwick ztest_zd_init(zd, os); 5022b24ab676SJeff Bonwick 5023b24ab676SJeff Bonwick zilog = zd->zd_zilog; 5024b24ab676SJeff Bonwick 5025b24ab676SJeff Bonwick if (zilog->zl_header->zh_claim_lr_seq != 0 && 5026b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq < committed_seq) 5027b24ab676SJeff Bonwick fatal(0, "missing log records: claimed %llu < committed %llu", 5028b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq, committed_seq); 5029b24ab676SJeff Bonwick 5030b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5031b24ab676SJeff Bonwick 5032b24ab676SJeff Bonwick zil_replay(os, zd, ztest_replay_vector); 5033b24ab676SJeff Bonwick 5034b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5035b24ab676SJeff Bonwick 5036b24ab676SJeff Bonwick if (zopt_verbose >= 6) 5037b24ab676SJeff Bonwick (void) printf("%s replay %llu blocks, %llu records, seq %llu\n", 5038b24ab676SJeff Bonwick zd->zd_name, 5039b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_blk_count, 5040b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_lr_count, 5041b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_replaying_seq); 5042b24ab676SJeff Bonwick 5043b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 5044b24ab676SJeff Bonwick 5045b24ab676SJeff Bonwick if (zilog->zl_replaying_seq != 0 && 5046b24ab676SJeff Bonwick zilog->zl_replaying_seq < committed_seq) 5047b24ab676SJeff Bonwick fatal(0, "missing log records: replayed %llu < committed %llu", 5048b24ab676SJeff Bonwick zilog->zl_replaying_seq, committed_seq); 5049b24ab676SJeff Bonwick 5050b24ab676SJeff Bonwick return (0); 5051b24ab676SJeff Bonwick } 5052b24ab676SJeff Bonwick 5053b24ab676SJeff Bonwick static void 5054b24ab676SJeff Bonwick ztest_dataset_close(ztest_shared_t *zs, int d) 5055b24ab676SJeff Bonwick { 5056b24ab676SJeff Bonwick ztest_ds_t *zd = &zs->zs_zd[d]; 5057b24ab676SJeff Bonwick 5058b24ab676SJeff Bonwick zil_close(zd->zd_zilog); 5059b24ab676SJeff Bonwick dmu_objset_rele(zd->zd_os, zd); 5060b24ab676SJeff Bonwick 5061b24ab676SJeff Bonwick ztest_zd_fini(zd); 5062fa9e4066Sahrens } 5063fa9e4066Sahrens 5064fa9e4066Sahrens /* 5065fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 5066fa9e4066Sahrens */ 5067fa9e4066Sahrens static void 5068b24ab676SJeff Bonwick ztest_run(ztest_shared_t *zs) 5069fa9e4066Sahrens { 5070b24ab676SJeff Bonwick thread_t *tid; 5071fa9e4066Sahrens spa_t *spa; 5072e14bb325SJeff Bonwick thread_t resume_tid; 5073b24ab676SJeff Bonwick int error; 5074e14bb325SJeff Bonwick 5075e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 5076fa9e4066Sahrens 5077fa9e4066Sahrens /* 5078b24ab676SJeff Bonwick * Initialize parent/child shared state. 5079fa9e4066Sahrens */ 5080b24ab676SJeff Bonwick VERIFY(_mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL) == 0); 5081b24ab676SJeff Bonwick VERIFY(rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL) == 0); 5082fa9e4066Sahrens 5083b24ab676SJeff Bonwick zs->zs_thread_start = gethrtime(); 5084b24ab676SJeff Bonwick zs->zs_thread_stop = zs->zs_thread_start + zopt_passtime * NANOSEC; 5085b24ab676SJeff Bonwick zs->zs_thread_stop = MIN(zs->zs_thread_stop, zs->zs_proc_stop); 5086b24ab676SJeff Bonwick zs->zs_thread_kill = zs->zs_thread_stop; 5087b24ab676SJeff Bonwick if (ztest_random(100) < zopt_killrate) 5088b24ab676SJeff Bonwick zs->zs_thread_kill -= ztest_random(zopt_passtime * NANOSEC); 5089fa9e4066Sahrens 5090b24ab676SJeff Bonwick (void) _mutex_init(&zcl.zcl_callbacks_lock, USYNC_THREAD, NULL); 5091fa9e4066Sahrens 5092b24ab676SJeff Bonwick list_create(&zcl.zcl_callbacks, sizeof (ztest_cb_data_t), 5093b24ab676SJeff Bonwick offsetof(ztest_cb_data_t, zcd_node)); 5094fa9e4066Sahrens 50950a4e9518Sgw /* 5096e14bb325SJeff Bonwick * Open our pool. 50970a4e9518Sgw */ 5098b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5099b24ab676SJeff Bonwick VERIFY(spa_open(zs->zs_pool, &spa, FTAG) == 0); 5100b24ab676SJeff Bonwick zs->zs_spa = spa; 5101b24ab676SJeff Bonwick 5102b24ab676SJeff Bonwick spa->spa_dedup_ditto = 2 * ZIO_DEDUPDITTO_MIN; 51030a4e9518Sgw 51048ad4d6ddSJeff Bonwick /* 51058ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 51068ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 51078ad4d6ddSJeff Bonwick * the only valid replica. 51088ad4d6ddSJeff Bonwick */ 5109*1195e687SMark J Musante if (MAXFAULTS() == 0) 51108ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 51118ad4d6ddSJeff Bonwick else 51128ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 51138ad4d6ddSJeff Bonwick 5114fa9e4066Sahrens /* 5115e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 5116fa9e4066Sahrens */ 51178ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 5118e14bb325SJeff Bonwick &resume_tid) == 0); 5119fa9e4066Sahrens 5120b24ab676SJeff Bonwick /* 5121b24ab676SJeff Bonwick * Create a deadman thread to abort() if we hang. 5122b24ab676SJeff Bonwick */ 5123b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_deadman_thread, zs, THR_BOUND, 5124b24ab676SJeff Bonwick NULL) == 0); 5125b24ab676SJeff Bonwick 5126fa9e4066Sahrens /* 5127fa9e4066Sahrens * Verify that we can safely inquire about about any object, 5128fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 5129fa9e4066Sahrens * we probe a 5-wide window around each power of two. 5130fa9e4066Sahrens * This hits all edge cases, including zero and the max. 5131fa9e4066Sahrens */ 5132b24ab676SJeff Bonwick for (int t = 0; t < 64; t++) { 5133b24ab676SJeff Bonwick for (int d = -5; d <= 5; d++) { 5134fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 5135fa9e4066Sahrens (1ULL << t) + d, NULL); 5136ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 5137ea8dc4b6Seschrock error == EINVAL); 5138fa9e4066Sahrens } 5139fa9e4066Sahrens } 5140fa9e4066Sahrens 5141fa9e4066Sahrens /* 5142b24ab676SJeff Bonwick * If we got any ENOSPC errors on the previous run, destroy something. 5143fa9e4066Sahrens */ 5144b24ab676SJeff Bonwick if (zs->zs_enospc_count != 0) { 5145b24ab676SJeff Bonwick int d = ztest_random(zopt_datasets); 5146b24ab676SJeff Bonwick ztest_dataset_destroy(zs, d); 5147b24ab676SJeff Bonwick } 5148fa9e4066Sahrens zs->zs_enospc_count = 0; 5149fa9e4066Sahrens 5150b24ab676SJeff Bonwick tid = umem_zalloc(zopt_threads * sizeof (thread_t), UMEM_NOFAIL); 5151fa9e4066Sahrens 5152fa9e4066Sahrens if (zopt_verbose >= 4) 5153fa9e4066Sahrens (void) printf("starting main threads...\n"); 5154fa9e4066Sahrens 5155b24ab676SJeff Bonwick /* 5156b24ab676SJeff Bonwick * Kick off all the tests that run in parallel. 5157b24ab676SJeff Bonwick */ 5158b24ab676SJeff Bonwick for (int t = 0; t < zopt_threads; t++) { 5159b24ab676SJeff Bonwick if (t < zopt_datasets && ztest_dataset_open(zs, t) != 0) 5160b24ab676SJeff Bonwick return; 5161b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, (void *)(uintptr_t)t, 5162b24ab676SJeff Bonwick THR_BOUND, &tid[t]) == 0); 5163fa9e4066Sahrens } 5164fa9e4066Sahrens 5165b24ab676SJeff Bonwick /* 5166b24ab676SJeff Bonwick * Wait for all of the tests to complete. We go in reverse order 5167b24ab676SJeff Bonwick * so we don't close datasets while threads are still using them. 5168b24ab676SJeff Bonwick */ 5169b24ab676SJeff Bonwick for (int t = zopt_threads - 1; t >= 0; t--) { 5170b24ab676SJeff Bonwick VERIFY(thr_join(tid[t], NULL, NULL) == 0); 5171b24ab676SJeff Bonwick if (t < zopt_datasets) 5172b24ab676SJeff Bonwick ztest_dataset_close(zs, t); 5173fa9e4066Sahrens } 5174fa9e4066Sahrens 5175fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 5176fa9e4066Sahrens 5177b24ab676SJeff Bonwick zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 5178b24ab676SJeff Bonwick zs->zs_space = metaslab_class_get_space(spa_normal_class(spa)); 5179b24ab676SJeff Bonwick 5180b24ab676SJeff Bonwick umem_free(tid, zopt_threads * sizeof (thread_t)); 5181b24ab676SJeff Bonwick 5182b24ab676SJeff Bonwick /* Kill the resume thread */ 5183b24ab676SJeff Bonwick ztest_exiting = B_TRUE; 5184b24ab676SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 5185b24ab676SJeff Bonwick ztest_resume(spa); 5186b24ab676SJeff Bonwick 5187b24ab676SJeff Bonwick /* 5188b24ab676SJeff Bonwick * Right before closing the pool, kick off a bunch of async I/O; 5189b24ab676SJeff Bonwick * spa_close() should wait for it to complete. 5190b24ab676SJeff Bonwick */ 5191b24ab676SJeff Bonwick for (uint64_t object = 1; object < 50; object++) 5192b24ab676SJeff Bonwick dmu_prefetch(spa->spa_meta_objset, object, 0, 1ULL << 20); 5193b24ab676SJeff Bonwick 5194b24ab676SJeff Bonwick spa_close(spa, FTAG); 5195fa9e4066Sahrens 5196fa9e4066Sahrens /* 5197b24ab676SJeff Bonwick * Verify that we can loop over all pools. 5198fa9e4066Sahrens */ 5199b24ab676SJeff Bonwick mutex_enter(&spa_namespace_lock); 5200b24ab676SJeff Bonwick for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) 5201b24ab676SJeff Bonwick if (zopt_verbose > 3) 5202b24ab676SJeff Bonwick (void) printf("spa_next: found %s\n", spa_name(spa)); 5203b24ab676SJeff Bonwick mutex_exit(&spa_namespace_lock); 5204b24ab676SJeff Bonwick 5205b24ab676SJeff Bonwick /* 5206b24ab676SJeff Bonwick * Verify that we can export the pool and reimport it under a 5207b24ab676SJeff Bonwick * different name. 5208b24ab676SJeff Bonwick */ 5209b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 5210b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5211b24ab676SJeff Bonwick (void) snprintf(name, MAXNAMELEN, "%s_import", zs->zs_pool); 5212b24ab676SJeff Bonwick ztest_spa_import_export(zs->zs_pool, name); 5213b24ab676SJeff Bonwick ztest_spa_import_export(name, zs->zs_pool); 5214b24ab676SJeff Bonwick } 5215b24ab676SJeff Bonwick 5216b24ab676SJeff Bonwick kernel_fini(); 5217b24ab676SJeff Bonwick } 5218b24ab676SJeff Bonwick 5219b24ab676SJeff Bonwick static void 5220b24ab676SJeff Bonwick ztest_freeze(ztest_shared_t *zs) 5221b24ab676SJeff Bonwick { 5222b24ab676SJeff Bonwick ztest_ds_t *zd = &zs->zs_zd[0]; 5223b24ab676SJeff Bonwick spa_t *spa; 5224b24ab676SJeff Bonwick 5225b24ab676SJeff Bonwick if (zopt_verbose >= 3) 5226b24ab676SJeff Bonwick (void) printf("testing spa_freeze()...\n"); 5227718d718aSGeorge Wilson 5228b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5229b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(zs->zs_pool, &spa, FTAG)); 5230b24ab676SJeff Bonwick VERIFY3U(0, ==, ztest_dataset_open(zs, 0)); 5231718d718aSGeorge Wilson 5232b24ab676SJeff Bonwick /* 5233b24ab676SJeff Bonwick * Force the first log block to be transactionally allocated. 5234b24ab676SJeff Bonwick * We have to do this before we freeze the pool -- otherwise 5235b24ab676SJeff Bonwick * the log chain won't be anchored. 5236b24ab676SJeff Bonwick */ 5237b24ab676SJeff Bonwick while (BP_IS_HOLE(&zd->zd_zilog->zl_header->zh_log)) { 5238b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 5239b24ab676SJeff Bonwick zil_commit(zd->zd_zilog, UINT64_MAX, 0); 5240fa9e4066Sahrens } 5241fa9e4066Sahrens 5242ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 5243fa9e4066Sahrens 5244b24ab676SJeff Bonwick /* 5245b24ab676SJeff Bonwick * Freeze the pool. This stops spa_sync() from doing anything, 5246b24ab676SJeff Bonwick * so that the only way to record changes from now on is the ZIL. 5247b24ab676SJeff Bonwick */ 5248b24ab676SJeff Bonwick spa_freeze(spa); 5249e14bb325SJeff Bonwick 5250b24ab676SJeff Bonwick /* 5251b24ab676SJeff Bonwick * Run tests that generate log records but don't alter the pool config 5252b24ab676SJeff Bonwick * or depend on DSL sync tasks (snapshots, objset create/destroy, etc). 5253b24ab676SJeff Bonwick * We do a txg_wait_synced() after each iteration to force the txg 5254b24ab676SJeff Bonwick * to increase well beyond the last synced value in the uberblock. 5255b24ab676SJeff Bonwick * The ZIL should be OK with that. 5256b24ab676SJeff Bonwick */ 5257b24ab676SJeff Bonwick while (ztest_random(20) != 0) { 5258b24ab676SJeff Bonwick ztest_dmu_write_parallel(zd, 0); 5259b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 5260b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5261b24ab676SJeff Bonwick } 5262e14bb325SJeff Bonwick 5263fa9e4066Sahrens /* 5264b24ab676SJeff Bonwick * Commit all of the changes we just generated. 5265fa9e4066Sahrens */ 5266b24ab676SJeff Bonwick zil_commit(zd->zd_zilog, UINT64_MAX, 0); 5267b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5268fa9e4066Sahrens 5269b24ab676SJeff Bonwick /* 5270b24ab676SJeff Bonwick * Close our dataset and close the pool. 5271b24ab676SJeff Bonwick */ 5272b24ab676SJeff Bonwick ztest_dataset_close(zs, 0); 5273e05725b1Sbonwick spa_close(spa, FTAG); 5274b24ab676SJeff Bonwick kernel_fini(); 5275e05725b1Sbonwick 5276b24ab676SJeff Bonwick /* 5277b24ab676SJeff Bonwick * Open and close the pool and dataset to induce log replay. 5278b24ab676SJeff Bonwick */ 5279b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5280b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(zs->zs_pool, &spa, FTAG)); 5281b24ab676SJeff Bonwick VERIFY3U(0, ==, ztest_dataset_open(zs, 0)); 5282b24ab676SJeff Bonwick ztest_dataset_close(zs, 0); 5283b24ab676SJeff Bonwick spa_close(spa, FTAG); 5284fa9e4066Sahrens kernel_fini(); 5285d20e665cSRicardo M. Correia 5286d20e665cSRicardo M. Correia list_destroy(&zcl.zcl_callbacks); 5287d20e665cSRicardo M. Correia 5288d20e665cSRicardo M. Correia (void) _mutex_destroy(&zcl.zcl_callbacks_lock); 5289d20e665cSRicardo M. Correia 5290d20e665cSRicardo M. Correia (void) rwlock_destroy(&zs->zs_name_lock); 5291d20e665cSRicardo M. Correia (void) _mutex_destroy(&zs->zs_vdev_lock); 5292fa9e4066Sahrens } 5293fa9e4066Sahrens 5294fa9e4066Sahrens void 5295fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 5296fa9e4066Sahrens { 5297fa9e4066Sahrens hrtime_t s = t / NANOSEC; 5298fa9e4066Sahrens hrtime_t m = s / 60; 5299fa9e4066Sahrens hrtime_t h = m / 60; 5300fa9e4066Sahrens hrtime_t d = h / 24; 5301fa9e4066Sahrens 5302fa9e4066Sahrens s -= m * 60; 5303fa9e4066Sahrens m -= h * 60; 5304fa9e4066Sahrens h -= d * 24; 5305fa9e4066Sahrens 5306fa9e4066Sahrens timebuf[0] = '\0'; 5307fa9e4066Sahrens 5308fa9e4066Sahrens if (d) 5309fa9e4066Sahrens (void) sprintf(timebuf, 5310fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 5311fa9e4066Sahrens else if (h) 5312fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 5313fa9e4066Sahrens else if (m) 5314fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 5315fa9e4066Sahrens else 5316fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 5317fa9e4066Sahrens } 5318fa9e4066Sahrens 5319*1195e687SMark J Musante static nvlist_t * 5320*1195e687SMark J Musante make_random_props() 5321*1195e687SMark J Musante { 5322*1195e687SMark J Musante nvlist_t *props; 5323*1195e687SMark J Musante 5324*1195e687SMark J Musante if (ztest_random(2) == 0) 5325*1195e687SMark J Musante return (NULL); 5326*1195e687SMark J Musante 5327*1195e687SMark J Musante VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 5328*1195e687SMark J Musante VERIFY(nvlist_add_uint64(props, "autoreplace", 1) == 0); 5329*1195e687SMark J Musante 5330*1195e687SMark J Musante (void) printf("props:\n"); 5331*1195e687SMark J Musante dump_nvlist(props, 4); 5332*1195e687SMark J Musante 5333*1195e687SMark J Musante return (props); 5334*1195e687SMark J Musante } 5335*1195e687SMark J Musante 5336fa9e4066Sahrens /* 5337fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 5338b24ab676SJeff Bonwick * Then test spa_freeze() functionality. 5339fa9e4066Sahrens */ 5340fa9e4066Sahrens static void 5341b24ab676SJeff Bonwick ztest_init(ztest_shared_t *zs) 5342fa9e4066Sahrens { 5343fa9e4066Sahrens spa_t *spa; 5344*1195e687SMark J Musante nvlist_t *nvroot, *props; 5345fa9e4066Sahrens 5346b24ab676SJeff Bonwick VERIFY(_mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL) == 0); 5347b24ab676SJeff Bonwick VERIFY(rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL) == 0); 5348b24ab676SJeff Bonwick 5349fa9e4066Sahrens kernel_init(FREAD | FWRITE); 5350fa9e4066Sahrens 5351fa9e4066Sahrens /* 5352fa9e4066Sahrens * Create the storage pool. 5353fa9e4066Sahrens */ 5354b24ab676SJeff Bonwick (void) spa_destroy(zs->zs_pool); 535588ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = 0; 5356*1195e687SMark J Musante zs->zs_splits = 0; 5357*1195e687SMark J Musante zs->zs_mirrors = zopt_mirrors; 5358e14bb325SJeff Bonwick nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 5359*1195e687SMark J Musante 0, zopt_raidz, zs->zs_mirrors, 1); 5360*1195e687SMark J Musante props = make_random_props(); 5361*1195e687SMark J Musante VERIFY3U(0, ==, spa_create(zs->zs_pool, nvroot, props, NULL, NULL)); 5362fa9e4066Sahrens nvlist_free(nvroot); 5363fa9e4066Sahrens 5364b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(zs->zs_pool, &spa, FTAG)); 5365d6e555bdSGeorge Wilson metaslab_sz = 1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift; 5366fa9e4066Sahrens spa_close(spa, FTAG); 5367fa9e4066Sahrens 5368fa9e4066Sahrens kernel_fini(); 5369b24ab676SJeff Bonwick 5370b24ab676SJeff Bonwick ztest_run_zdb(zs->zs_pool); 5371b24ab676SJeff Bonwick 5372b24ab676SJeff Bonwick ztest_freeze(zs); 5373b24ab676SJeff Bonwick 5374b24ab676SJeff Bonwick ztest_run_zdb(zs->zs_pool); 5375fa9e4066Sahrens } 5376fa9e4066Sahrens 5377fa9e4066Sahrens int 5378fa9e4066Sahrens main(int argc, char **argv) 5379fa9e4066Sahrens { 5380fa9e4066Sahrens int kills = 0; 5381fa9e4066Sahrens int iters = 0; 5382fa9e4066Sahrens ztest_shared_t *zs; 5383b24ab676SJeff Bonwick size_t shared_size; 5384fa9e4066Sahrens ztest_info_t *zi; 5385fa9e4066Sahrens char timebuf[100]; 5386fa9e4066Sahrens char numbuf[6]; 5387b24ab676SJeff Bonwick spa_t *spa; 5388fa9e4066Sahrens 5389fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 5390fa9e4066Sahrens 5391fa9e4066Sahrens /* Override location of zpool.cache */ 5392c5904d13Seschrock spa_config_path = "/tmp/zpool.cache"; 5393fa9e4066Sahrens 5394fa9e4066Sahrens ztest_random_fd = open("/dev/urandom", O_RDONLY); 5395fa9e4066Sahrens 5396fa9e4066Sahrens process_options(argc, argv); 5397fa9e4066Sahrens 5398ea8dc4b6Seschrock /* 5399ea8dc4b6Seschrock * Blow away any existing copy of zpool.cache 5400ea8dc4b6Seschrock */ 5401ea8dc4b6Seschrock if (zopt_init != 0) 5402ea8dc4b6Seschrock (void) remove("/tmp/zpool.cache"); 5403ea8dc4b6Seschrock 5404b24ab676SJeff Bonwick shared_size = sizeof (*zs) + zopt_datasets * sizeof (ztest_ds_t); 5405b24ab676SJeff Bonwick 5406fa9e4066Sahrens zs = ztest_shared = (void *)mmap(0, 5407b24ab676SJeff Bonwick P2ROUNDUP(shared_size, getpagesize()), 5408fa9e4066Sahrens PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); 5409fa9e4066Sahrens 5410fa9e4066Sahrens if (zopt_verbose >= 1) { 5411fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 5412fa9e4066Sahrens " %llu seconds...\n", 5413ecc2d604Sbonwick (u_longlong_t)zopt_vdevs, zopt_datasets, zopt_threads, 5414fa9e4066Sahrens (u_longlong_t)zopt_time); 5415fa9e4066Sahrens } 5416fa9e4066Sahrens 5417fa9e4066Sahrens /* 5418fa9e4066Sahrens * Create and initialize our storage pool. 5419fa9e4066Sahrens */ 5420b24ab676SJeff Bonwick for (int i = 1; i <= zopt_init; i++) { 5421fa9e4066Sahrens bzero(zs, sizeof (ztest_shared_t)); 5422fa9e4066Sahrens if (zopt_verbose >= 3 && zopt_init != 1) 5423fa9e4066Sahrens (void) printf("ztest_init(), pass %d\n", i); 5424b24ab676SJeff Bonwick zs->zs_pool = zopt_pool; 5425b24ab676SJeff Bonwick ztest_init(zs); 5426fa9e4066Sahrens } 5427fa9e4066Sahrens 5428b24ab676SJeff Bonwick zs->zs_pool = zopt_pool; 5429b24ab676SJeff Bonwick zs->zs_proc_start = gethrtime(); 5430b24ab676SJeff Bonwick zs->zs_proc_stop = zs->zs_proc_start + zopt_time * NANOSEC; 5431fa9e4066Sahrens 5432b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5433b24ab676SJeff Bonwick zi = &zs->zs_info[f]; 5434fa9e4066Sahrens *zi = ztest_info[f]; 5435b24ab676SJeff Bonwick if (zs->zs_proc_start + zi->zi_interval[0] > zs->zs_proc_stop) 5436b24ab676SJeff Bonwick zi->zi_call_next = UINT64_MAX; 5437fa9e4066Sahrens else 5438b24ab676SJeff Bonwick zi->zi_call_next = zs->zs_proc_start + 5439b24ab676SJeff Bonwick ztest_random(2 * zi->zi_interval[0] + 1); 5440fa9e4066Sahrens } 5441fa9e4066Sahrens 5442fa9e4066Sahrens /* 5443fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 5444fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 5445fa9e4066Sahrens * to verify that we never lose on-disk consistency. 5446fa9e4066Sahrens */ 5447b24ab676SJeff Bonwick while (gethrtime() < zs->zs_proc_stop) { 5448fa9e4066Sahrens int status; 5449fa9e4066Sahrens pid_t pid; 5450fa9e4066Sahrens 5451fa9e4066Sahrens /* 5452fa9e4066Sahrens * Initialize the workload counters for each function. 5453fa9e4066Sahrens */ 5454b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5455fa9e4066Sahrens zi = &zs->zs_info[f]; 5456b24ab676SJeff Bonwick zi->zi_call_count = 0; 5457fa9e4066Sahrens zi->zi_call_time = 0; 5458fa9e4066Sahrens } 5459fa9e4066Sahrens 5460d6e555bdSGeorge Wilson /* Set the allocation switch size */ 5461d6e555bdSGeorge Wilson metaslab_df_alloc_threshold = ztest_random(metaslab_sz / 4) + 1; 5462d6e555bdSGeorge Wilson 5463fa9e4066Sahrens pid = fork(); 5464fa9e4066Sahrens 5465fa9e4066Sahrens if (pid == -1) 5466fa9e4066Sahrens fatal(1, "fork failed"); 5467fa9e4066Sahrens 5468fa9e4066Sahrens if (pid == 0) { /* child */ 5469fa9e4066Sahrens struct rlimit rl = { 1024, 1024 }; 5470fa9e4066Sahrens (void) setrlimit(RLIMIT_NOFILE, &rl); 5471004388ebScasper (void) enable_extended_FILE_stdio(-1, -1); 5472b24ab676SJeff Bonwick ztest_run(zs); 5473fa9e4066Sahrens exit(0); 5474fa9e4066Sahrens } 5475fa9e4066Sahrens 54765ad82045Snd while (waitpid(pid, &status, 0) != pid) 5477fa9e4066Sahrens continue; 5478fa9e4066Sahrens 5479fa9e4066Sahrens if (WIFEXITED(status)) { 5480fa9e4066Sahrens if (WEXITSTATUS(status) != 0) { 5481fa9e4066Sahrens (void) fprintf(stderr, 5482fa9e4066Sahrens "child exited with code %d\n", 5483fa9e4066Sahrens WEXITSTATUS(status)); 5484fa9e4066Sahrens exit(2); 5485fa9e4066Sahrens } 54865ad82045Snd } else if (WIFSIGNALED(status)) { 5487fa9e4066Sahrens if (WTERMSIG(status) != SIGKILL) { 5488fa9e4066Sahrens (void) fprintf(stderr, 5489fa9e4066Sahrens "child died with signal %d\n", 5490fa9e4066Sahrens WTERMSIG(status)); 5491fa9e4066Sahrens exit(3); 5492fa9e4066Sahrens } 5493fa9e4066Sahrens kills++; 54945ad82045Snd } else { 54955ad82045Snd (void) fprintf(stderr, "something strange happened " 54965ad82045Snd "to child\n"); 54975ad82045Snd exit(4); 5498fa9e4066Sahrens } 5499fa9e4066Sahrens 5500fa9e4066Sahrens iters++; 5501fa9e4066Sahrens 5502fa9e4066Sahrens if (zopt_verbose >= 1) { 5503fa9e4066Sahrens hrtime_t now = gethrtime(); 5504fa9e4066Sahrens 5505b24ab676SJeff Bonwick now = MIN(now, zs->zs_proc_stop); 5506b24ab676SJeff Bonwick print_time(zs->zs_proc_stop - now, timebuf); 5507fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 5508fa9e4066Sahrens 5509fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 5510fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 5511fa9e4066Sahrens iters, 5512fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 5513fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 5514fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 5515fa9e4066Sahrens numbuf, 5516b24ab676SJeff Bonwick 100.0 * (now - zs->zs_proc_start) / 5517fa9e4066Sahrens (zopt_time * NANOSEC), timebuf); 5518fa9e4066Sahrens } 5519fa9e4066Sahrens 5520fa9e4066Sahrens if (zopt_verbose >= 2) { 5521fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 5522fa9e4066Sahrens (void) printf("%7s %9s %s\n", 5523fa9e4066Sahrens "Calls", "Time", "Function"); 5524fa9e4066Sahrens (void) printf("%7s %9s %s\n", 5525fa9e4066Sahrens "-----", "----", "--------"); 5526b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5527fa9e4066Sahrens Dl_info dli; 5528fa9e4066Sahrens 5529fa9e4066Sahrens zi = &zs->zs_info[f]; 5530fa9e4066Sahrens print_time(zi->zi_call_time, timebuf); 5531fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 5532fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 5533b24ab676SJeff Bonwick (u_longlong_t)zi->zi_call_count, timebuf, 5534fa9e4066Sahrens dli.dli_sname); 5535fa9e4066Sahrens } 5536fa9e4066Sahrens (void) printf("\n"); 5537fa9e4066Sahrens } 5538fa9e4066Sahrens 5539fa9e4066Sahrens /* 5540b24ab676SJeff Bonwick * It's possible that we killed a child during a rename test, 5541b24ab676SJeff Bonwick * in which case we'll have a 'ztest_tmp' pool lying around 5542b24ab676SJeff Bonwick * instead of 'ztest'. Do a blind rename in case this happened. 5543fa9e4066Sahrens */ 5544b24ab676SJeff Bonwick kernel_init(FREAD); 5545b24ab676SJeff Bonwick if (spa_open(zopt_pool, &spa, FTAG) == 0) { 5546b24ab676SJeff Bonwick spa_close(spa, FTAG); 5547b24ab676SJeff Bonwick } else { 5548b24ab676SJeff Bonwick char tmpname[MAXNAMELEN]; 5549b24ab676SJeff Bonwick kernel_fini(); 5550b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5551b24ab676SJeff Bonwick (void) snprintf(tmpname, sizeof (tmpname), "%s_tmp", 5552b24ab676SJeff Bonwick zopt_pool); 5553b24ab676SJeff Bonwick (void) spa_rename(tmpname, zopt_pool); 5554b24ab676SJeff Bonwick } 5555fa9e4066Sahrens kernel_fini(); 5556fa9e4066Sahrens 5557b24ab676SJeff Bonwick ztest_run_zdb(zopt_pool); 5558b24ab676SJeff Bonwick } 5559fa9e4066Sahrens 5560fa9e4066Sahrens if (zopt_verbose >= 1) { 5561fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 5562fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 5563fa9e4066Sahrens } 5564fa9e4066Sahrens 5565fa9e4066Sahrens return (0); 5566fa9e4066Sahrens } 5567