1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5441d80aaSlling * Common Development and Distribution License (the "License"). 6441d80aaSlling * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 2247cb52daSJeff Bonwick * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 2309c9d376SGeorge Wilson * Copyright (c) 2011 by Delphix. All rights reserved. 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> 973f9d6ad7SLin Ling #include <sys/dsl_scan.h> 98cde58dbcSMatthew Ahrens #include <sys/zio_checksum.h> 99fa9e4066Sahrens #include <sys/refcount.h> 100fa9e4066Sahrens #include <stdio.h> 101004388ebScasper #include <stdio_ext.h> 102fa9e4066Sahrens #include <stdlib.h> 103fa9e4066Sahrens #include <unistd.h> 104fa9e4066Sahrens #include <signal.h> 105fa9e4066Sahrens #include <umem.h> 106fa9e4066Sahrens #include <dlfcn.h> 107fa9e4066Sahrens #include <ctype.h> 108fa9e4066Sahrens #include <math.h> 109fa9e4066Sahrens #include <sys/fs/zfs.h> 110b24ab676SJeff Bonwick #include <libnvpair.h> 111fa9e4066Sahrens 112fa9e4066Sahrens static char cmdname[] = "ztest"; 113fa9e4066Sahrens static char *zopt_pool = cmdname; 114fa9e4066Sahrens 115fa9e4066Sahrens static uint64_t zopt_vdevs = 5; 116fa9e4066Sahrens static uint64_t zopt_vdevtime; 117ecc2d604Sbonwick static int zopt_ashift = SPA_MINBLOCKSHIFT; 118fa9e4066Sahrens static int zopt_mirrors = 2; 119fa9e4066Sahrens static int zopt_raidz = 4; 12099653d4eSeschrock static int zopt_raidz_parity = 1; 121fa9e4066Sahrens static size_t zopt_vdev_size = SPA_MINDEVSIZE; 122ecc2d604Sbonwick static int zopt_datasets = 7; 123fa9e4066Sahrens static int zopt_threads = 23; 124fa9e4066Sahrens static uint64_t zopt_passtime = 60; /* 60 seconds */ 125fa9e4066Sahrens static uint64_t zopt_killrate = 70; /* 70% kill rate */ 126fa9e4066Sahrens static int zopt_verbose = 0; 127fa9e4066Sahrens static int zopt_init = 1; 128fa9e4066Sahrens static char *zopt_dir = "/tmp"; 129fa9e4066Sahrens static uint64_t zopt_time = 300; /* 5 minutes */ 1302215e990SMark J Musante static uint64_t zopt_maxloops = 50; /* max loops during spa_freeze() */ 131fa9e4066Sahrens 132b24ab676SJeff Bonwick #define BT_MAGIC 0x123456789abcdefULL 1331195e687SMark J Musante #define MAXFAULTS() (MAX(zs->zs_mirrors, 1) * (zopt_raidz_parity + 1) - 1) 134b24ab676SJeff Bonwick 135b24ab676SJeff Bonwick enum ztest_io_type { 136b24ab676SJeff Bonwick ZTEST_IO_WRITE_TAG, 137b24ab676SJeff Bonwick ZTEST_IO_WRITE_PATTERN, 138b24ab676SJeff Bonwick ZTEST_IO_WRITE_ZEROES, 139b24ab676SJeff Bonwick ZTEST_IO_TRUNCATE, 140b24ab676SJeff Bonwick ZTEST_IO_SETATTR, 141b24ab676SJeff Bonwick ZTEST_IO_TYPES 142b24ab676SJeff Bonwick }; 143b24ab676SJeff Bonwick 144e05725b1Sbonwick typedef struct ztest_block_tag { 145b24ab676SJeff Bonwick uint64_t bt_magic; 146e05725b1Sbonwick uint64_t bt_objset; 147e05725b1Sbonwick uint64_t bt_object; 148e05725b1Sbonwick uint64_t bt_offset; 149b24ab676SJeff Bonwick uint64_t bt_gen; 150e05725b1Sbonwick uint64_t bt_txg; 151b24ab676SJeff Bonwick uint64_t bt_crtxg; 152e05725b1Sbonwick } ztest_block_tag_t; 153e05725b1Sbonwick 154b24ab676SJeff Bonwick typedef struct bufwad { 155b24ab676SJeff Bonwick uint64_t bw_index; 156b24ab676SJeff Bonwick uint64_t bw_txg; 157b24ab676SJeff Bonwick uint64_t bw_data; 158b24ab676SJeff Bonwick } bufwad_t; 159b24ab676SJeff Bonwick 160b24ab676SJeff Bonwick /* 161b24ab676SJeff Bonwick * XXX -- fix zfs range locks to be generic so we can use them here. 162b24ab676SJeff Bonwick */ 163b24ab676SJeff Bonwick typedef enum { 164b24ab676SJeff Bonwick RL_READER, 165b24ab676SJeff Bonwick RL_WRITER, 166b24ab676SJeff Bonwick RL_APPEND 167b24ab676SJeff Bonwick } rl_type_t; 168b24ab676SJeff Bonwick 169b24ab676SJeff Bonwick typedef struct rll { 170b24ab676SJeff Bonwick void *rll_writer; 171b24ab676SJeff Bonwick int rll_readers; 172b24ab676SJeff Bonwick mutex_t rll_lock; 173b24ab676SJeff Bonwick cond_t rll_cv; 174b24ab676SJeff Bonwick } rll_t; 175b24ab676SJeff Bonwick 176b24ab676SJeff Bonwick typedef struct rl { 177b24ab676SJeff Bonwick uint64_t rl_object; 178b24ab676SJeff Bonwick uint64_t rl_offset; 179b24ab676SJeff Bonwick uint64_t rl_size; 180b24ab676SJeff Bonwick rll_t *rl_lock; 181b24ab676SJeff Bonwick } rl_t; 182b24ab676SJeff Bonwick 183b24ab676SJeff Bonwick #define ZTEST_RANGE_LOCKS 64 184b24ab676SJeff Bonwick #define ZTEST_OBJECT_LOCKS 64 185b24ab676SJeff Bonwick 186b24ab676SJeff Bonwick /* 187b24ab676SJeff Bonwick * Object descriptor. Used as a template for object lookup/create/remove. 188b24ab676SJeff Bonwick */ 189b24ab676SJeff Bonwick typedef struct ztest_od { 190b24ab676SJeff Bonwick uint64_t od_dir; 191b24ab676SJeff Bonwick uint64_t od_object; 192b24ab676SJeff Bonwick dmu_object_type_t od_type; 193b24ab676SJeff Bonwick dmu_object_type_t od_crtype; 194b24ab676SJeff Bonwick uint64_t od_blocksize; 195b24ab676SJeff Bonwick uint64_t od_crblocksize; 196b24ab676SJeff Bonwick uint64_t od_gen; 197b24ab676SJeff Bonwick uint64_t od_crgen; 198b24ab676SJeff Bonwick char od_name[MAXNAMELEN]; 199b24ab676SJeff Bonwick } ztest_od_t; 200fa9e4066Sahrens 201b24ab676SJeff Bonwick /* 202b24ab676SJeff Bonwick * Per-dataset state. 203b24ab676SJeff Bonwick */ 204b24ab676SJeff Bonwick typedef struct ztest_ds { 205b24ab676SJeff Bonwick objset_t *zd_os; 206*c9ba2a43SEric Schrock rwlock_t zd_zilog_lock; 207b24ab676SJeff Bonwick zilog_t *zd_zilog; 208b24ab676SJeff Bonwick uint64_t zd_seq; 209b24ab676SJeff Bonwick ztest_od_t *zd_od; /* debugging aid */ 210b24ab676SJeff Bonwick char zd_name[MAXNAMELEN]; 211b24ab676SJeff Bonwick mutex_t zd_dirobj_lock; 212b24ab676SJeff Bonwick rll_t zd_object_lock[ZTEST_OBJECT_LOCKS]; 213b24ab676SJeff Bonwick rll_t zd_range_lock[ZTEST_RANGE_LOCKS]; 214b24ab676SJeff Bonwick } ztest_ds_t; 215b24ab676SJeff Bonwick 216b24ab676SJeff Bonwick /* 217b24ab676SJeff Bonwick * Per-iteration state. 218b24ab676SJeff Bonwick */ 219b24ab676SJeff Bonwick typedef void ztest_func_t(ztest_ds_t *zd, uint64_t id); 220b24ab676SJeff Bonwick 221b24ab676SJeff Bonwick typedef struct ztest_info { 222b24ab676SJeff Bonwick ztest_func_t *zi_func; /* test function */ 223b24ab676SJeff Bonwick uint64_t zi_iters; /* iterations per execution */ 224b24ab676SJeff Bonwick uint64_t *zi_interval; /* execute every <interval> seconds */ 225b24ab676SJeff Bonwick uint64_t zi_call_count; /* per-pass count */ 226b24ab676SJeff Bonwick uint64_t zi_call_time; /* per-pass time */ 227b24ab676SJeff Bonwick uint64_t zi_call_next; /* next time to call this function */ 228b24ab676SJeff Bonwick } ztest_info_t; 229fa9e4066Sahrens 230fa9e4066Sahrens /* 231fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 232fa9e4066Sahrens */ 233fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 234fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 235fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 236d20e665cSRicardo M. Correia ztest_func_t ztest_dmu_commit_callbacks; 237fa9e4066Sahrens ztest_func_t ztest_zap; 238fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 239b24ab676SJeff Bonwick ztest_func_t ztest_zil_commit; 240*c9ba2a43SEric Schrock ztest_func_t ztest_zil_remount; 241b24ab676SJeff Bonwick ztest_func_t ztest_dmu_read_write_zcopy; 242fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 243b24ab676SJeff Bonwick ztest_func_t ztest_dmu_prealloc; 244b24ab676SJeff Bonwick ztest_func_t ztest_fzap; 245fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 246b24ab676SJeff Bonwick ztest_func_t ztest_dsl_prop_get_set; 247b24ab676SJeff Bonwick ztest_func_t ztest_spa_prop_get_set; 248fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 249fa9e4066Sahrens ztest_func_t ztest_fault_inject; 250b24ab676SJeff Bonwick ztest_func_t ztest_ddt_repair; 251b24ab676SJeff Bonwick ztest_func_t ztest_dmu_snapshot_hold; 252e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 253b24ab676SJeff Bonwick ztest_func_t ztest_scrub; 254b24ab676SJeff Bonwick ztest_func_t ztest_dsl_dataset_promote_busy; 255fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 256fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 257fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 258e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 2591195e687SMark J Musante ztest_func_t ztest_split_pool; 260fa9e4066Sahrens 261b24ab676SJeff Bonwick uint64_t zopt_always = 0ULL * NANOSEC; /* all the time */ 262b24ab676SJeff Bonwick uint64_t zopt_incessant = 1ULL * NANOSEC / 10; /* every 1/10 second */ 263b24ab676SJeff Bonwick uint64_t zopt_often = 1ULL * NANOSEC; /* every second */ 264b24ab676SJeff Bonwick uint64_t zopt_sometimes = 10ULL * NANOSEC; /* every 10 seconds */ 265b24ab676SJeff Bonwick uint64_t zopt_rarely = 60ULL * NANOSEC; /* every 60 seconds */ 266fa9e4066Sahrens 267fa9e4066Sahrens ztest_info_t ztest_info[] = { 268e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 269b24ab676SJeff Bonwick { ztest_dmu_write_parallel, 10, &zopt_always }, 270e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 271b24ab676SJeff Bonwick { ztest_dmu_commit_callbacks, 1, &zopt_always }, 272e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 273e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 2741195e687SMark J Musante { ztest_split_pool, 1, &zopt_always }, 275b24ab676SJeff Bonwick { ztest_zil_commit, 1, &zopt_incessant }, 276*c9ba2a43SEric Schrock { ztest_zil_remount, 1, &zopt_sometimes }, 277b24ab676SJeff Bonwick { ztest_dmu_read_write_zcopy, 1, &zopt_often }, 278b24ab676SJeff Bonwick { ztest_dmu_objset_create_destroy, 1, &zopt_often }, 279b24ab676SJeff Bonwick { ztest_dsl_prop_get_set, 1, &zopt_often }, 280b24ab676SJeff Bonwick { ztest_spa_prop_get_set, 1, &zopt_sometimes }, 281b24ab676SJeff Bonwick #if 0 282b24ab676SJeff Bonwick { ztest_dmu_prealloc, 1, &zopt_sometimes }, 283b24ab676SJeff Bonwick #endif 284b24ab676SJeff Bonwick { ztest_fzap, 1, &zopt_sometimes }, 285b24ab676SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 286b24ab676SJeff Bonwick { ztest_spa_create_destroy, 1, &zopt_sometimes }, 287e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 288b24ab676SJeff Bonwick { ztest_ddt_repair, 1, &zopt_sometimes }, 2895c987a37SChris Kirby { ztest_dmu_snapshot_hold, 1, &zopt_sometimes }, 290e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 291b24ab676SJeff Bonwick { ztest_scrub, 1, &zopt_rarely }, 292b24ab676SJeff Bonwick { ztest_dsl_dataset_promote_busy, 1, &zopt_rarely }, 2933f9d6ad7SLin Ling { ztest_vdev_attach_detach, 1, &zopt_rarely }, 294e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 2953f9d6ad7SLin Ling { ztest_vdev_add_remove, 1, &zopt_vdevtime }, 296e14bb325SJeff Bonwick { ztest_vdev_aux_add_remove, 1, &zopt_vdevtime }, 297fa9e4066Sahrens }; 298fa9e4066Sahrens 299fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 300fa9e4066Sahrens 301d20e665cSRicardo M. Correia /* 302d20e665cSRicardo M. Correia * The following struct is used to hold a list of uncalled commit callbacks. 303d20e665cSRicardo M. Correia * The callbacks are ordered by txg number. 304d20e665cSRicardo M. Correia */ 305d20e665cSRicardo M. Correia typedef struct ztest_cb_list { 306d20e665cSRicardo M. Correia mutex_t zcl_callbacks_lock; 307d20e665cSRicardo M. Correia list_t zcl_callbacks; 308d20e665cSRicardo M. Correia } ztest_cb_list_t; 309d20e665cSRicardo M. Correia 310fa9e4066Sahrens /* 311fa9e4066Sahrens * Stuff we need to share writably between parent and child. 312fa9e4066Sahrens */ 313fa9e4066Sahrens typedef struct ztest_shared { 314b24ab676SJeff Bonwick char *zs_pool; 315b24ab676SJeff Bonwick spa_t *zs_spa; 316b24ab676SJeff Bonwick hrtime_t zs_proc_start; 317b24ab676SJeff Bonwick hrtime_t zs_proc_stop; 318b24ab676SJeff Bonwick hrtime_t zs_thread_start; 319b24ab676SJeff Bonwick hrtime_t zs_thread_stop; 320b24ab676SJeff Bonwick hrtime_t zs_thread_kill; 321b24ab676SJeff Bonwick uint64_t zs_enospc_count; 32288ecc943SGeorge Wilson uint64_t zs_vdev_next_leaf; 323e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 324fa9e4066Sahrens uint64_t zs_alloc; 325fa9e4066Sahrens uint64_t zs_space; 326b24ab676SJeff Bonwick mutex_t zs_vdev_lock; 327b24ab676SJeff Bonwick rwlock_t zs_name_lock; 328fa9e4066Sahrens ztest_info_t zs_info[ZTEST_FUNCS]; 3291195e687SMark J Musante uint64_t zs_splits; 3301195e687SMark J Musante uint64_t zs_mirrors; 331b24ab676SJeff Bonwick ztest_ds_t zs_zd[]; 332fa9e4066Sahrens } ztest_shared_t; 333fa9e4066Sahrens 334b24ab676SJeff Bonwick #define ID_PARALLEL -1ULL 335b24ab676SJeff Bonwick 336fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 337e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 338b24ab676SJeff Bonwick ztest_shared_t *ztest_shared; 339b24ab676SJeff Bonwick uint64_t *ztest_seq; 340fa9e4066Sahrens 341fa9e4066Sahrens static int ztest_random_fd; 342fa9e4066Sahrens static int ztest_dump_core = 1; 343fa9e4066Sahrens 344e14bb325SJeff Bonwick static boolean_t ztest_exiting; 3450a4e9518Sgw 346d20e665cSRicardo M. Correia /* Global commit callback list */ 347d20e665cSRicardo M. Correia static ztest_cb_list_t zcl; 348d20e665cSRicardo M. Correia 349e05725b1Sbonwick extern uint64_t metaslab_gang_bang; 350d6e555bdSGeorge Wilson extern uint64_t metaslab_df_alloc_threshold; 351b24ab676SJeff Bonwick static uint64_t metaslab_sz; 352fa9e4066Sahrens 353b24ab676SJeff Bonwick enum ztest_object { 354b24ab676SJeff Bonwick ZTEST_META_DNODE = 0, 355b24ab676SJeff Bonwick ZTEST_DIROBJ, 356b24ab676SJeff Bonwick ZTEST_OBJECTS 357b24ab676SJeff Bonwick }; 358fa9e4066Sahrens 3591ce825d8Sraf static void usage(boolean_t) __NORETURN; 360f1b4288bSvb 361fa9e4066Sahrens /* 362fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 363fa9e4066Sahrens * debugging facilities. 364fa9e4066Sahrens */ 365fa9e4066Sahrens const char * 366fa9e4066Sahrens _umem_debug_init() 367fa9e4066Sahrens { 368fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 369fa9e4066Sahrens } 370fa9e4066Sahrens 371fa9e4066Sahrens const char * 372fa9e4066Sahrens _umem_logging_init(void) 373fa9e4066Sahrens { 374fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 375fa9e4066Sahrens } 376fa9e4066Sahrens 377fa9e4066Sahrens #define FATAL_MSG_SZ 1024 378fa9e4066Sahrens 379fa9e4066Sahrens char *fatal_msg; 380fa9e4066Sahrens 381fa9e4066Sahrens static void 382fa9e4066Sahrens fatal(int do_perror, char *message, ...) 383fa9e4066Sahrens { 384fa9e4066Sahrens va_list args; 385fa9e4066Sahrens int save_errno = errno; 386fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 387fa9e4066Sahrens 388fa9e4066Sahrens (void) fflush(stdout); 389fa9e4066Sahrens 390fa9e4066Sahrens va_start(args, message); 391fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 392fa9e4066Sahrens /* LINTED */ 393fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 394fa9e4066Sahrens va_end(args); 395fa9e4066Sahrens if (do_perror) { 396fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 397fa9e4066Sahrens ": %s", strerror(save_errno)); 398fa9e4066Sahrens } 399fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 400fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 401fa9e4066Sahrens if (ztest_dump_core) 402fa9e4066Sahrens abort(); 403fa9e4066Sahrens exit(3); 404fa9e4066Sahrens } 405fa9e4066Sahrens 406fa9e4066Sahrens static int 407fa9e4066Sahrens str2shift(const char *buf) 408fa9e4066Sahrens { 409fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 410fa9e4066Sahrens int i; 411fa9e4066Sahrens 412fa9e4066Sahrens if (buf[0] == '\0') 413fa9e4066Sahrens return (0); 414fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 415fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 416fa9e4066Sahrens break; 417fa9e4066Sahrens } 418f1b4288bSvb if (i == strlen(ends)) { 419f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 420f1b4288bSvb buf); 421f1b4288bSvb usage(B_FALSE); 422f1b4288bSvb } 423fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 424fa9e4066Sahrens return (10*i); 425fa9e4066Sahrens } 426f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 427f1b4288bSvb usage(B_FALSE); 428f1b4288bSvb /* NOTREACHED */ 429fa9e4066Sahrens } 430fa9e4066Sahrens 431fa9e4066Sahrens static uint64_t 432fa9e4066Sahrens nicenumtoull(const char *buf) 433fa9e4066Sahrens { 434fa9e4066Sahrens char *end; 435fa9e4066Sahrens uint64_t val; 436fa9e4066Sahrens 437fa9e4066Sahrens val = strtoull(buf, &end, 0); 438fa9e4066Sahrens if (end == buf) { 439f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 440f1b4288bSvb usage(B_FALSE); 441fa9e4066Sahrens } else if (end[0] == '.') { 442fa9e4066Sahrens double fval = strtod(buf, &end); 443fa9e4066Sahrens fval *= pow(2, str2shift(end)); 444f1b4288bSvb if (fval > UINT64_MAX) { 445f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 446f1b4288bSvb buf); 447f1b4288bSvb usage(B_FALSE); 448f1b4288bSvb } 449fa9e4066Sahrens val = (uint64_t)fval; 450fa9e4066Sahrens } else { 451fa9e4066Sahrens int shift = str2shift(end); 452f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 453f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 454f1b4288bSvb buf); 455f1b4288bSvb usage(B_FALSE); 456f1b4288bSvb } 457fa9e4066Sahrens val <<= shift; 458fa9e4066Sahrens } 459fa9e4066Sahrens return (val); 460fa9e4066Sahrens } 461fa9e4066Sahrens 462fa9e4066Sahrens static void 463f1b4288bSvb usage(boolean_t requested) 464fa9e4066Sahrens { 465fa9e4066Sahrens char nice_vdev_size[10]; 466fa9e4066Sahrens char nice_gang_bang[10]; 467f1b4288bSvb FILE *fp = requested ? stdout : stderr; 468fa9e4066Sahrens 469fa9e4066Sahrens nicenum(zopt_vdev_size, nice_vdev_size); 470e05725b1Sbonwick nicenum(metaslab_gang_bang, nice_gang_bang); 471fa9e4066Sahrens 472f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 473fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 474fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 4752215e990SMark J Musante "\t[-a alignment_shift (default: %d)] use 0 for random\n" 476fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 477fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 47899653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 479fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 480fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 481fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 4822215e990SMark J Musante "\t[-i init_count (default: %d)] initialize pool i times\n" 4832215e990SMark J Musante "\t[-k kill_percentage (default: %llu%%)]\n" 484fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 4852215e990SMark J Musante "\t[-f dir (default: %s)] file directory for vdev files\n" 4862215e990SMark J Musante "\t[-V] verbose (use multiple times for ever more blather)\n" 4872215e990SMark J Musante "\t[-E] use existing pool instead of creating new one\n" 4882215e990SMark J Musante "\t[-T time (default: %llu sec)] total run time\n" 4892215e990SMark J Musante "\t[-F freezeloops (default: %llu)] max loops in spa_freeze()\n" 4902215e990SMark J Musante "\t[-P passtime (default: %llu sec)] time per pass\n" 491f1b4288bSvb "\t[-h] (print help)\n" 492fa9e4066Sahrens "", 493fa9e4066Sahrens cmdname, 4940a4e9518Sgw (u_longlong_t)zopt_vdevs, /* -v */ 4950a4e9518Sgw nice_vdev_size, /* -s */ 4960a4e9518Sgw zopt_ashift, /* -a */ 4970a4e9518Sgw zopt_mirrors, /* -m */ 4980a4e9518Sgw zopt_raidz, /* -r */ 4990a4e9518Sgw zopt_raidz_parity, /* -R */ 5000a4e9518Sgw zopt_datasets, /* -d */ 5010a4e9518Sgw zopt_threads, /* -t */ 5020a4e9518Sgw nice_gang_bang, /* -g */ 5030a4e9518Sgw zopt_init, /* -i */ 5040a4e9518Sgw (u_longlong_t)zopt_killrate, /* -k */ 5050a4e9518Sgw zopt_pool, /* -p */ 5060a4e9518Sgw zopt_dir, /* -f */ 5070a4e9518Sgw (u_longlong_t)zopt_time, /* -T */ 5082215e990SMark J Musante (u_longlong_t)zopt_maxloops, /* -F */ 509e14bb325SJeff Bonwick (u_longlong_t)zopt_passtime); /* -P */ 510f1b4288bSvb exit(requested ? 0 : 1); 511fa9e4066Sahrens } 512fa9e4066Sahrens 513fa9e4066Sahrens static void 514fa9e4066Sahrens process_options(int argc, char **argv) 515fa9e4066Sahrens { 516fa9e4066Sahrens int opt; 517fa9e4066Sahrens uint64_t value; 518fa9e4066Sahrens 519fa9e4066Sahrens /* By default, test gang blocks for blocks 32K and greater */ 520e05725b1Sbonwick metaslab_gang_bang = 32 << 10; 521fa9e4066Sahrens 522fa9e4066Sahrens while ((opt = getopt(argc, argv, 5232215e990SMark J Musante "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:hF:")) != EOF) { 524fa9e4066Sahrens value = 0; 525fa9e4066Sahrens switch (opt) { 5263d7072f8Seschrock case 'v': 5273d7072f8Seschrock case 's': 5283d7072f8Seschrock case 'a': 5293d7072f8Seschrock case 'm': 5303d7072f8Seschrock case 'r': 5313d7072f8Seschrock case 'R': 5323d7072f8Seschrock case 'd': 5333d7072f8Seschrock case 't': 5343d7072f8Seschrock case 'g': 5353d7072f8Seschrock case 'i': 5363d7072f8Seschrock case 'k': 5373d7072f8Seschrock case 'T': 5383d7072f8Seschrock case 'P': 5392215e990SMark J Musante case 'F': 540fa9e4066Sahrens value = nicenumtoull(optarg); 541fa9e4066Sahrens } 542fa9e4066Sahrens switch (opt) { 5433d7072f8Seschrock case 'v': 544fa9e4066Sahrens zopt_vdevs = value; 545fa9e4066Sahrens break; 5463d7072f8Seschrock case 's': 547fa9e4066Sahrens zopt_vdev_size = MAX(SPA_MINDEVSIZE, value); 548fa9e4066Sahrens break; 5493d7072f8Seschrock case 'a': 550ecc2d604Sbonwick zopt_ashift = value; 551ecc2d604Sbonwick break; 5523d7072f8Seschrock case 'm': 553fa9e4066Sahrens zopt_mirrors = value; 554fa9e4066Sahrens break; 5553d7072f8Seschrock case 'r': 556fa9e4066Sahrens zopt_raidz = MAX(1, value); 557fa9e4066Sahrens break; 5583d7072f8Seschrock case 'R': 559f94275ceSAdam Leventhal zopt_raidz_parity = MIN(MAX(value, 1), 3); 56099653d4eSeschrock break; 5613d7072f8Seschrock case 'd': 562ecc2d604Sbonwick zopt_datasets = MAX(1, value); 563fa9e4066Sahrens break; 5643d7072f8Seschrock case 't': 565fa9e4066Sahrens zopt_threads = MAX(1, value); 566fa9e4066Sahrens break; 5673d7072f8Seschrock case 'g': 568e05725b1Sbonwick metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, value); 569fa9e4066Sahrens break; 5703d7072f8Seschrock case 'i': 571fa9e4066Sahrens zopt_init = value; 572fa9e4066Sahrens break; 5733d7072f8Seschrock case 'k': 574fa9e4066Sahrens zopt_killrate = value; 575fa9e4066Sahrens break; 5763d7072f8Seschrock case 'p': 577fa9e4066Sahrens zopt_pool = strdup(optarg); 578fa9e4066Sahrens break; 5793d7072f8Seschrock case 'f': 580fa9e4066Sahrens zopt_dir = strdup(optarg); 581fa9e4066Sahrens break; 5823d7072f8Seschrock case 'V': 583fa9e4066Sahrens zopt_verbose++; 584fa9e4066Sahrens break; 5853d7072f8Seschrock case 'E': 586fa9e4066Sahrens zopt_init = 0; 587fa9e4066Sahrens break; 5883d7072f8Seschrock case 'T': 589fa9e4066Sahrens zopt_time = value; 590fa9e4066Sahrens break; 5913d7072f8Seschrock case 'P': 592fa9e4066Sahrens zopt_passtime = MAX(1, value); 593fa9e4066Sahrens break; 5942215e990SMark J Musante case 'F': 5952215e990SMark J Musante zopt_maxloops = MAX(1, value); 5962215e990SMark J Musante break; 5973d7072f8Seschrock case 'h': 598f1b4288bSvb usage(B_TRUE); 599f1b4288bSvb break; 6003d7072f8Seschrock case '?': 6013d7072f8Seschrock default: 602f1b4288bSvb usage(B_FALSE); 603fa9e4066Sahrens break; 604fa9e4066Sahrens } 605fa9e4066Sahrens } 606fa9e4066Sahrens 60799653d4eSeschrock zopt_raidz_parity = MIN(zopt_raidz_parity, zopt_raidz - 1); 60899653d4eSeschrock 609b24ab676SJeff Bonwick zopt_vdevtime = (zopt_vdevs > 0 ? zopt_time * NANOSEC / zopt_vdevs : 610b24ab676SJeff Bonwick UINT64_MAX >> 2); 611fa9e4066Sahrens } 612fa9e4066Sahrens 613b24ab676SJeff Bonwick static void 614b24ab676SJeff Bonwick ztest_kill(ztest_shared_t *zs) 615b24ab676SJeff Bonwick { 616b24ab676SJeff Bonwick zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(zs->zs_spa)); 617b24ab676SJeff Bonwick zs->zs_space = metaslab_class_get_space(spa_normal_class(zs->zs_spa)); 618b24ab676SJeff Bonwick (void) kill(getpid(), SIGKILL); 619b24ab676SJeff Bonwick } 620b24ab676SJeff Bonwick 621b24ab676SJeff Bonwick static uint64_t 622b24ab676SJeff Bonwick ztest_random(uint64_t range) 623b24ab676SJeff Bonwick { 624b24ab676SJeff Bonwick uint64_t r; 625b24ab676SJeff Bonwick 626b24ab676SJeff Bonwick if (range == 0) 627b24ab676SJeff Bonwick return (0); 628b24ab676SJeff Bonwick 629b24ab676SJeff Bonwick if (read(ztest_random_fd, &r, sizeof (r)) != sizeof (r)) 630b24ab676SJeff Bonwick fatal(1, "short read from /dev/urandom"); 631b24ab676SJeff Bonwick 632b24ab676SJeff Bonwick return (r % range); 633b24ab676SJeff Bonwick } 634b24ab676SJeff Bonwick 635b24ab676SJeff Bonwick /* ARGSUSED */ 636b24ab676SJeff Bonwick static void 637b24ab676SJeff Bonwick ztest_record_enospc(const char *s) 638b24ab676SJeff Bonwick { 639b24ab676SJeff Bonwick ztest_shared->zs_enospc_count++; 640b24ab676SJeff Bonwick } 641b24ab676SJeff Bonwick 642ecc2d604Sbonwick static uint64_t 643ecc2d604Sbonwick ztest_get_ashift(void) 644ecc2d604Sbonwick { 645ecc2d604Sbonwick if (zopt_ashift == 0) 646ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 647ecc2d604Sbonwick return (zopt_ashift); 648ecc2d604Sbonwick } 649ecc2d604Sbonwick 650fa9e4066Sahrens static nvlist_t * 651e14bb325SJeff Bonwick make_vdev_file(char *path, char *aux, size_t size, uint64_t ashift) 652fa9e4066Sahrens { 653e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 654fa9e4066Sahrens uint64_t vdev; 655fa9e4066Sahrens nvlist_t *file; 656fa9e4066Sahrens 657e14bb325SJeff Bonwick if (ashift == 0) 658e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 659e14bb325SJeff Bonwick 660e14bb325SJeff Bonwick if (path == NULL) { 661e14bb325SJeff Bonwick path = pathbuf; 662fa9e4066Sahrens 663e14bb325SJeff Bonwick if (aux != NULL) { 664e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 665e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, 666e14bb325SJeff Bonwick zopt_dir, zopt_pool, aux, vdev); 667e14bb325SJeff Bonwick } else { 66888ecc943SGeorge Wilson vdev = ztest_shared->zs_vdev_next_leaf++; 669e14bb325SJeff Bonwick (void) sprintf(path, ztest_dev_template, 670e14bb325SJeff Bonwick zopt_dir, zopt_pool, vdev); 671e14bb325SJeff Bonwick } 672e14bb325SJeff Bonwick } 673e14bb325SJeff Bonwick 674e14bb325SJeff Bonwick if (size != 0) { 675e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 676fa9e4066Sahrens if (fd == -1) 677e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 678fa9e4066Sahrens if (ftruncate(fd, size) != 0) 679e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 680fa9e4066Sahrens (void) close(fd); 681fa9e4066Sahrens } 682fa9e4066Sahrens 683fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 684fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 685e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 686ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 687fa9e4066Sahrens 688fa9e4066Sahrens return (file); 689fa9e4066Sahrens } 690fa9e4066Sahrens 691fa9e4066Sahrens static nvlist_t * 692e14bb325SJeff Bonwick make_vdev_raidz(char *path, char *aux, size_t size, uint64_t ashift, int r) 693fa9e4066Sahrens { 694fa9e4066Sahrens nvlist_t *raidz, **child; 695fa9e4066Sahrens int c; 696fa9e4066Sahrens 697fa9e4066Sahrens if (r < 2) 698e14bb325SJeff Bonwick return (make_vdev_file(path, aux, size, ashift)); 699fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 700fa9e4066Sahrens 701fa9e4066Sahrens for (c = 0; c < r; c++) 702e14bb325SJeff Bonwick child[c] = make_vdev_file(path, aux, size, ashift); 703fa9e4066Sahrens 704fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 705fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 706fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 70799653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 70899653d4eSeschrock zopt_raidz_parity) == 0); 709fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 710fa9e4066Sahrens child, r) == 0); 711fa9e4066Sahrens 712fa9e4066Sahrens for (c = 0; c < r; c++) 713fa9e4066Sahrens nvlist_free(child[c]); 714fa9e4066Sahrens 715fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 716fa9e4066Sahrens 717fa9e4066Sahrens return (raidz); 718fa9e4066Sahrens } 719fa9e4066Sahrens 720fa9e4066Sahrens static nvlist_t * 721e14bb325SJeff Bonwick make_vdev_mirror(char *path, char *aux, size_t size, uint64_t ashift, 72231157203SJeff Bonwick int r, int m) 723fa9e4066Sahrens { 724fa9e4066Sahrens nvlist_t *mirror, **child; 725fa9e4066Sahrens int c; 726fa9e4066Sahrens 727fa9e4066Sahrens if (m < 1) 728e14bb325SJeff Bonwick return (make_vdev_raidz(path, aux, size, ashift, r)); 729fa9e4066Sahrens 730fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 731fa9e4066Sahrens 732fa9e4066Sahrens for (c = 0; c < m; c++) 733e14bb325SJeff Bonwick child[c] = make_vdev_raidz(path, aux, size, ashift, r); 734fa9e4066Sahrens 735fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 736fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 737fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 738fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 739fa9e4066Sahrens child, m) == 0); 740fa9e4066Sahrens 741fa9e4066Sahrens for (c = 0; c < m; c++) 742fa9e4066Sahrens nvlist_free(child[c]); 743fa9e4066Sahrens 744fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 745fa9e4066Sahrens 746fa9e4066Sahrens return (mirror); 747fa9e4066Sahrens } 748fa9e4066Sahrens 749fa9e4066Sahrens static nvlist_t * 750e14bb325SJeff Bonwick make_vdev_root(char *path, char *aux, size_t size, uint64_t ashift, 751e14bb325SJeff Bonwick int log, int r, int m, int t) 752fa9e4066Sahrens { 753fa9e4066Sahrens nvlist_t *root, **child; 754fa9e4066Sahrens int c; 755fa9e4066Sahrens 756fa9e4066Sahrens ASSERT(t > 0); 757fa9e4066Sahrens 758fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 759fa9e4066Sahrens 76031157203SJeff Bonwick for (c = 0; c < t; c++) { 76131157203SJeff Bonwick child[c] = make_vdev_mirror(path, aux, size, ashift, r, m); 76231157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 76331157203SJeff Bonwick log) == 0); 76431157203SJeff Bonwick } 765fa9e4066Sahrens 766fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 767fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 768e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 769fa9e4066Sahrens child, t) == 0); 770fa9e4066Sahrens 771fa9e4066Sahrens for (c = 0; c < t; c++) 772fa9e4066Sahrens nvlist_free(child[c]); 773fa9e4066Sahrens 774fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 775fa9e4066Sahrens 776fa9e4066Sahrens return (root); 777fa9e4066Sahrens } 778fa9e4066Sahrens 779b24ab676SJeff Bonwick static int 780b24ab676SJeff Bonwick ztest_random_blocksize(void) 781fa9e4066Sahrens { 782b24ab676SJeff Bonwick return (1 << (SPA_MINBLOCKSHIFT + 783b24ab676SJeff Bonwick ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1))); 784b24ab676SJeff Bonwick } 785fa9e4066Sahrens 786b24ab676SJeff Bonwick static int 787b24ab676SJeff Bonwick ztest_random_ibshift(void) 788b24ab676SJeff Bonwick { 789b24ab676SJeff Bonwick return (DN_MIN_INDBLKSHIFT + 790b24ab676SJeff Bonwick ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1)); 791fa9e4066Sahrens } 792fa9e4066Sahrens 793b24ab676SJeff Bonwick static uint64_t 794b24ab676SJeff Bonwick ztest_random_vdev_top(spa_t *spa, boolean_t log_ok) 795fa9e4066Sahrens { 796b24ab676SJeff Bonwick uint64_t top; 797b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 798b24ab676SJeff Bonwick vdev_t *tvd; 799fa9e4066Sahrens 800b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); 801fa9e4066Sahrens 802b24ab676SJeff Bonwick do { 803b24ab676SJeff Bonwick top = ztest_random(rvd->vdev_children); 804b24ab676SJeff Bonwick tvd = rvd->vdev_child[top]; 805b24ab676SJeff Bonwick } while (tvd->vdev_ishole || (tvd->vdev_islog && !log_ok) || 806b24ab676SJeff Bonwick tvd->vdev_mg == NULL || tvd->vdev_mg->mg_class == NULL); 807fa9e4066Sahrens 808b24ab676SJeff Bonwick return (top); 809fa9e4066Sahrens } 810fa9e4066Sahrens 811b24ab676SJeff Bonwick static uint64_t 812b24ab676SJeff Bonwick ztest_random_dsl_prop(zfs_prop_t prop) 813fa9e4066Sahrens { 814b24ab676SJeff Bonwick uint64_t value; 815b24ab676SJeff Bonwick 816b24ab676SJeff Bonwick do { 817b24ab676SJeff Bonwick value = zfs_prop_random_value(prop, ztest_random(-1ULL)); 818b24ab676SJeff Bonwick } while (prop == ZFS_PROP_CHECKSUM && value == ZIO_CHECKSUM_OFF); 819b24ab676SJeff Bonwick 820b24ab676SJeff Bonwick return (value); 821fa9e4066Sahrens } 822fa9e4066Sahrens 823fa9e4066Sahrens static int 824b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(char *osname, zfs_prop_t prop, uint64_t value, 825b24ab676SJeff Bonwick boolean_t inherit) 826fa9e4066Sahrens { 827b24ab676SJeff Bonwick const char *propname = zfs_prop_to_name(prop); 828b24ab676SJeff Bonwick const char *valname; 829b24ab676SJeff Bonwick char setpoint[MAXPATHLEN]; 830b24ab676SJeff Bonwick uint64_t curval; 831fa9e4066Sahrens int error; 832fa9e4066Sahrens 83392241e0bSTom Erickson error = dsl_prop_set(osname, propname, 83492241e0bSTom Erickson (inherit ? ZPROP_SRC_NONE : ZPROP_SRC_LOCAL), 83592241e0bSTom Erickson sizeof (value), 1, &value); 836fa9e4066Sahrens 837b24ab676SJeff Bonwick if (error == ENOSPC) { 838b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 839fa9e4066Sahrens return (error); 840fa9e4066Sahrens } 84199653d4eSeschrock ASSERT3U(error, ==, 0); 842fa9e4066Sahrens 843b24ab676SJeff Bonwick VERIFY3U(dsl_prop_get(osname, propname, sizeof (curval), 844b24ab676SJeff Bonwick 1, &curval, setpoint), ==, 0); 845b24ab676SJeff Bonwick 846b24ab676SJeff Bonwick if (zopt_verbose >= 6) { 847b24ab676SJeff Bonwick VERIFY(zfs_prop_index_to_string(prop, curval, &valname) == 0); 848b24ab676SJeff Bonwick (void) printf("%s %s = %s at '%s'\n", 849b24ab676SJeff Bonwick osname, propname, valname, setpoint); 850fa9e4066Sahrens } 851fa9e4066Sahrens 852fa9e4066Sahrens return (error); 853fa9e4066Sahrens } 854fa9e4066Sahrens 855fa9e4066Sahrens static int 856b24ab676SJeff Bonwick ztest_spa_prop_set_uint64(ztest_shared_t *zs, zpool_prop_t prop, uint64_t value) 857fa9e4066Sahrens { 858b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 859b24ab676SJeff Bonwick nvlist_t *props = NULL; 860fa9e4066Sahrens int error; 861fa9e4066Sahrens 862b24ab676SJeff Bonwick VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 863b24ab676SJeff Bonwick VERIFY(nvlist_add_uint64(props, zpool_prop_to_name(prop), value) == 0); 864fa9e4066Sahrens 865b24ab676SJeff Bonwick error = spa_prop_set(spa, props); 866b24ab676SJeff Bonwick 867b24ab676SJeff Bonwick nvlist_free(props); 868b24ab676SJeff Bonwick 869b24ab676SJeff Bonwick if (error == ENOSPC) { 870b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 871fa9e4066Sahrens return (error); 872fa9e4066Sahrens } 873b24ab676SJeff Bonwick ASSERT3U(error, ==, 0); 874fa9e4066Sahrens 875fa9e4066Sahrens return (error); 876fa9e4066Sahrens } 877fa9e4066Sahrens 878b24ab676SJeff Bonwick static void 879b24ab676SJeff Bonwick ztest_rll_init(rll_t *rll) 880b24ab676SJeff Bonwick { 881b24ab676SJeff Bonwick rll->rll_writer = NULL; 882b24ab676SJeff Bonwick rll->rll_readers = 0; 883b24ab676SJeff Bonwick VERIFY(_mutex_init(&rll->rll_lock, USYNC_THREAD, NULL) == 0); 884b24ab676SJeff Bonwick VERIFY(cond_init(&rll->rll_cv, USYNC_THREAD, NULL) == 0); 885b24ab676SJeff Bonwick } 886fa9e4066Sahrens 887b24ab676SJeff Bonwick static void 888b24ab676SJeff Bonwick ztest_rll_destroy(rll_t *rll) 889fa9e4066Sahrens { 890b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 891b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 892b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&rll->rll_lock) == 0); 893b24ab676SJeff Bonwick VERIFY(cond_destroy(&rll->rll_cv) == 0); 894b24ab676SJeff Bonwick } 895fa9e4066Sahrens 896b24ab676SJeff Bonwick static void 897b24ab676SJeff Bonwick ztest_rll_lock(rll_t *rll, rl_type_t type) 898b24ab676SJeff Bonwick { 899b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 900fa9e4066Sahrens 901b24ab676SJeff Bonwick if (type == RL_READER) { 902b24ab676SJeff Bonwick while (rll->rll_writer != NULL) 903b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 904b24ab676SJeff Bonwick rll->rll_readers++; 905b24ab676SJeff Bonwick } else { 906b24ab676SJeff Bonwick while (rll->rll_writer != NULL || rll->rll_readers) 907b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 908b24ab676SJeff Bonwick rll->rll_writer = curthread; 909b24ab676SJeff Bonwick } 910fa9e4066Sahrens 911b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 912b24ab676SJeff Bonwick } 913fa9e4066Sahrens 914b24ab676SJeff Bonwick static void 915b24ab676SJeff Bonwick ztest_rll_unlock(rll_t *rll) 916b24ab676SJeff Bonwick { 917b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 918fa9e4066Sahrens 919b24ab676SJeff Bonwick if (rll->rll_writer) { 920b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 921b24ab676SJeff Bonwick rll->rll_writer = NULL; 922b24ab676SJeff Bonwick } else { 923b24ab676SJeff Bonwick ASSERT(rll->rll_readers != 0); 924b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 925b24ab676SJeff Bonwick rll->rll_readers--; 926b24ab676SJeff Bonwick } 927fa9e4066Sahrens 928b24ab676SJeff Bonwick if (rll->rll_writer == NULL && rll->rll_readers == 0) 929b24ab676SJeff Bonwick VERIFY(cond_broadcast(&rll->rll_cv) == 0); 930b24ab676SJeff Bonwick 931b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 932fa9e4066Sahrens } 933fa9e4066Sahrens 934b24ab676SJeff Bonwick static void 935b24ab676SJeff Bonwick ztest_object_lock(ztest_ds_t *zd, uint64_t object, rl_type_t type) 93631157203SJeff Bonwick { 937b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 93831157203SJeff Bonwick 939b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 940b24ab676SJeff Bonwick } 94131157203SJeff Bonwick 942b24ab676SJeff Bonwick static void 943b24ab676SJeff Bonwick ztest_object_unlock(ztest_ds_t *zd, uint64_t object) 944b24ab676SJeff Bonwick { 945b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 94631157203SJeff Bonwick 947b24ab676SJeff Bonwick ztest_rll_unlock(rll); 94831157203SJeff Bonwick } 94931157203SJeff Bonwick 950b24ab676SJeff Bonwick static rl_t * 951b24ab676SJeff Bonwick ztest_range_lock(ztest_ds_t *zd, uint64_t object, uint64_t offset, 952b24ab676SJeff Bonwick uint64_t size, rl_type_t type) 95388ecc943SGeorge Wilson { 954b24ab676SJeff Bonwick uint64_t hash = object ^ (offset % (ZTEST_RANGE_LOCKS + 1)); 955b24ab676SJeff Bonwick rll_t *rll = &zd->zd_range_lock[hash & (ZTEST_RANGE_LOCKS - 1)]; 956b24ab676SJeff Bonwick rl_t *rl; 95788ecc943SGeorge Wilson 958b24ab676SJeff Bonwick rl = umem_alloc(sizeof (*rl), UMEM_NOFAIL); 959b24ab676SJeff Bonwick rl->rl_object = object; 960b24ab676SJeff Bonwick rl->rl_offset = offset; 961b24ab676SJeff Bonwick rl->rl_size = size; 962b24ab676SJeff Bonwick rl->rl_lock = rll; 96388ecc943SGeorge Wilson 964b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 96588ecc943SGeorge Wilson 966b24ab676SJeff Bonwick return (rl); 96788ecc943SGeorge Wilson } 96888ecc943SGeorge Wilson 969b24ab676SJeff Bonwick static void 970b24ab676SJeff Bonwick ztest_range_unlock(rl_t *rl) 971fa9e4066Sahrens { 972b24ab676SJeff Bonwick rll_t *rll = rl->rl_lock; 973fa9e4066Sahrens 974b24ab676SJeff Bonwick ztest_rll_unlock(rll); 975fa9e4066Sahrens 976b24ab676SJeff Bonwick umem_free(rl, sizeof (*rl)); 977b24ab676SJeff Bonwick } 978fa9e4066Sahrens 979b24ab676SJeff Bonwick static void 980b24ab676SJeff Bonwick ztest_zd_init(ztest_ds_t *zd, objset_t *os) 981b24ab676SJeff Bonwick { 982b24ab676SJeff Bonwick zd->zd_os = os; 983b24ab676SJeff Bonwick zd->zd_zilog = dmu_objset_zil(os); 984b24ab676SJeff Bonwick zd->zd_seq = 0; 985b24ab676SJeff Bonwick dmu_objset_name(os, zd->zd_name); 986fa9e4066Sahrens 987*c9ba2a43SEric Schrock VERIFY(rwlock_init(&zd->zd_zilog_lock, USYNC_THREAD, NULL) == 0); 988b24ab676SJeff Bonwick VERIFY(_mutex_init(&zd->zd_dirobj_lock, USYNC_THREAD, NULL) == 0); 989b24ab676SJeff Bonwick 990b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 991b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_object_lock[l]); 992b24ab676SJeff Bonwick 993b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 994b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_range_lock[l]); 995b24ab676SJeff Bonwick } 996b24ab676SJeff Bonwick 997b24ab676SJeff Bonwick static void 998b24ab676SJeff Bonwick ztest_zd_fini(ztest_ds_t *zd) 999b24ab676SJeff Bonwick { 1000b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&zd->zd_dirobj_lock) == 0); 1001b24ab676SJeff Bonwick 1002b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1003b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_object_lock[l]); 1004b24ab676SJeff Bonwick 1005b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1006b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_range_lock[l]); 1007b24ab676SJeff Bonwick } 1008b24ab676SJeff Bonwick 1009b24ab676SJeff Bonwick #define TXG_MIGHTWAIT (ztest_random(10) == 0 ? TXG_NOWAIT : TXG_WAIT) 1010b24ab676SJeff Bonwick 1011b24ab676SJeff Bonwick static uint64_t 1012b24ab676SJeff Bonwick ztest_tx_assign(dmu_tx_t *tx, uint64_t txg_how, const char *tag) 1013b24ab676SJeff Bonwick { 1014b24ab676SJeff Bonwick uint64_t txg; 1015b24ab676SJeff Bonwick int error; 1016b24ab676SJeff Bonwick 1017b24ab676SJeff Bonwick /* 1018b24ab676SJeff Bonwick * Attempt to assign tx to some transaction group. 1019b24ab676SJeff Bonwick */ 1020b24ab676SJeff Bonwick error = dmu_tx_assign(tx, txg_how); 1021b24ab676SJeff Bonwick if (error) { 1022b24ab676SJeff Bonwick if (error == ERESTART) { 1023b24ab676SJeff Bonwick ASSERT(txg_how == TXG_NOWAIT); 1024b24ab676SJeff Bonwick dmu_tx_wait(tx); 1025b24ab676SJeff Bonwick } else { 1026b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1027b24ab676SJeff Bonwick ztest_record_enospc(tag); 1028b24ab676SJeff Bonwick } 1029b24ab676SJeff Bonwick dmu_tx_abort(tx); 1030b24ab676SJeff Bonwick return (0); 1031b24ab676SJeff Bonwick } 1032b24ab676SJeff Bonwick txg = dmu_tx_get_txg(tx); 1033b24ab676SJeff Bonwick ASSERT(txg != 0); 1034b24ab676SJeff Bonwick return (txg); 1035b24ab676SJeff Bonwick } 1036b24ab676SJeff Bonwick 1037b24ab676SJeff Bonwick static void 1038b24ab676SJeff Bonwick ztest_pattern_set(void *buf, uint64_t size, uint64_t value) 1039b24ab676SJeff Bonwick { 1040b24ab676SJeff Bonwick uint64_t *ip = buf; 1041b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1042b24ab676SJeff Bonwick 1043b24ab676SJeff Bonwick while (ip < ip_end) 1044b24ab676SJeff Bonwick *ip++ = value; 1045b24ab676SJeff Bonwick } 1046b24ab676SJeff Bonwick 1047b24ab676SJeff Bonwick static boolean_t 1048b24ab676SJeff Bonwick ztest_pattern_match(void *buf, uint64_t size, uint64_t value) 1049b24ab676SJeff Bonwick { 1050b24ab676SJeff Bonwick uint64_t *ip = buf; 1051b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1052b24ab676SJeff Bonwick uint64_t diff = 0; 1053b24ab676SJeff Bonwick 1054b24ab676SJeff Bonwick while (ip < ip_end) 1055b24ab676SJeff Bonwick diff |= (value - *ip++); 1056b24ab676SJeff Bonwick 1057b24ab676SJeff Bonwick return (diff == 0); 1058b24ab676SJeff Bonwick } 1059b24ab676SJeff Bonwick 1060b24ab676SJeff Bonwick static void 1061b24ab676SJeff Bonwick ztest_bt_generate(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 bt->bt_magic = BT_MAGIC; 1065b24ab676SJeff Bonwick bt->bt_objset = dmu_objset_id(os); 1066b24ab676SJeff Bonwick bt->bt_object = object; 1067b24ab676SJeff Bonwick bt->bt_offset = offset; 1068b24ab676SJeff Bonwick bt->bt_gen = gen; 1069b24ab676SJeff Bonwick bt->bt_txg = txg; 1070b24ab676SJeff Bonwick bt->bt_crtxg = crtxg; 1071b24ab676SJeff Bonwick } 1072b24ab676SJeff Bonwick 1073b24ab676SJeff Bonwick static void 1074b24ab676SJeff Bonwick ztest_bt_verify(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1075b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1076b24ab676SJeff Bonwick { 1077b24ab676SJeff Bonwick ASSERT(bt->bt_magic == BT_MAGIC); 1078b24ab676SJeff Bonwick ASSERT(bt->bt_objset == dmu_objset_id(os)); 1079b24ab676SJeff Bonwick ASSERT(bt->bt_object == object); 1080b24ab676SJeff Bonwick ASSERT(bt->bt_offset == offset); 1081b24ab676SJeff Bonwick ASSERT(bt->bt_gen <= gen); 1082b24ab676SJeff Bonwick ASSERT(bt->bt_txg <= txg); 1083b24ab676SJeff Bonwick ASSERT(bt->bt_crtxg == crtxg); 1084b24ab676SJeff Bonwick } 1085b24ab676SJeff Bonwick 1086b24ab676SJeff Bonwick static ztest_block_tag_t * 1087b24ab676SJeff Bonwick ztest_bt_bonus(dmu_buf_t *db) 1088b24ab676SJeff Bonwick { 1089b24ab676SJeff Bonwick dmu_object_info_t doi; 1090b24ab676SJeff Bonwick ztest_block_tag_t *bt; 1091b24ab676SJeff Bonwick 1092b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1093b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, <=, db->db_size); 1094b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, >=, sizeof (*bt)); 1095b24ab676SJeff Bonwick bt = (void *)((char *)db->db_data + doi.doi_bonus_size - sizeof (*bt)); 1096b24ab676SJeff Bonwick 1097b24ab676SJeff Bonwick return (bt); 1098b24ab676SJeff Bonwick } 1099b24ab676SJeff Bonwick 1100b24ab676SJeff Bonwick /* 1101b24ab676SJeff Bonwick * ZIL logging ops 1102b24ab676SJeff Bonwick */ 1103b24ab676SJeff Bonwick 1104b24ab676SJeff Bonwick #define lrz_type lr_mode 1105b24ab676SJeff Bonwick #define lrz_blocksize lr_uid 1106b24ab676SJeff Bonwick #define lrz_ibshift lr_gid 1107b24ab676SJeff Bonwick #define lrz_bonustype lr_rdev 1108b24ab676SJeff Bonwick #define lrz_bonuslen lr_crtime[1] 1109b24ab676SJeff Bonwick 11105002558fSNeil Perrin static void 1111b24ab676SJeff Bonwick ztest_log_create(ztest_ds_t *zd, dmu_tx_t *tx, lr_create_t *lr) 1112b24ab676SJeff Bonwick { 1113b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1114b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1115b24ab676SJeff Bonwick itx_t *itx; 1116b24ab676SJeff Bonwick 1117b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 11185002558fSNeil Perrin return; 1119b24ab676SJeff Bonwick 1120b24ab676SJeff Bonwick itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize); 1121b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1122b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1123b24ab676SJeff Bonwick 11245002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1125b24ab676SJeff Bonwick } 1126b24ab676SJeff Bonwick 11275002558fSNeil Perrin static void 11285002558fSNeil Perrin ztest_log_remove(ztest_ds_t *zd, dmu_tx_t *tx, lr_remove_t *lr, uint64_t object) 1129b24ab676SJeff Bonwick { 1130b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1131b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1132b24ab676SJeff Bonwick itx_t *itx; 1133b24ab676SJeff Bonwick 1134b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 11355002558fSNeil Perrin return; 1136b24ab676SJeff Bonwick 1137b24ab676SJeff Bonwick itx = zil_itx_create(TX_REMOVE, sizeof (*lr) + namesize); 1138b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1139b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1140b24ab676SJeff Bonwick 114151bd2f97SNeil Perrin itx->itx_oid = object; 11425002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1143b24ab676SJeff Bonwick } 1144b24ab676SJeff Bonwick 11455002558fSNeil Perrin static void 1146b24ab676SJeff Bonwick ztest_log_write(ztest_ds_t *zd, dmu_tx_t *tx, lr_write_t *lr) 1147b24ab676SJeff Bonwick { 1148b24ab676SJeff Bonwick itx_t *itx; 1149b24ab676SJeff Bonwick itx_wr_state_t write_state = ztest_random(WR_NUM_STATES); 1150b24ab676SJeff Bonwick 1151b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 11525002558fSNeil Perrin return; 1153b24ab676SJeff Bonwick 1154b24ab676SJeff Bonwick if (lr->lr_length > ZIL_MAX_LOG_DATA) 1155b24ab676SJeff Bonwick write_state = WR_INDIRECT; 1156b24ab676SJeff Bonwick 1157b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, 1158b24ab676SJeff Bonwick sizeof (*lr) + (write_state == WR_COPIED ? lr->lr_length : 0)); 1159b24ab676SJeff Bonwick 1160b24ab676SJeff Bonwick if (write_state == WR_COPIED && 1161b24ab676SJeff Bonwick dmu_read(zd->zd_os, lr->lr_foid, lr->lr_offset, lr->lr_length, 1162b24ab676SJeff Bonwick ((lr_write_t *)&itx->itx_lr) + 1, DMU_READ_NO_PREFETCH) != 0) { 1163b24ab676SJeff Bonwick zil_itx_destroy(itx); 1164b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, sizeof (*lr)); 1165b24ab676SJeff Bonwick write_state = WR_NEED_COPY; 1166b24ab676SJeff Bonwick } 1167b24ab676SJeff Bonwick itx->itx_private = zd; 1168b24ab676SJeff Bonwick itx->itx_wr_state = write_state; 1169b24ab676SJeff Bonwick itx->itx_sync = (ztest_random(8) == 0); 1170b24ab676SJeff Bonwick itx->itx_sod += (write_state == WR_NEED_COPY ? lr->lr_length : 0); 1171b24ab676SJeff Bonwick 1172b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1173b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1174b24ab676SJeff Bonwick 11755002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1176b24ab676SJeff Bonwick } 1177b24ab676SJeff Bonwick 11785002558fSNeil Perrin static void 1179b24ab676SJeff Bonwick ztest_log_truncate(ztest_ds_t *zd, dmu_tx_t *tx, lr_truncate_t *lr) 1180b24ab676SJeff Bonwick { 1181b24ab676SJeff Bonwick itx_t *itx; 1182b24ab676SJeff Bonwick 1183b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 11845002558fSNeil Perrin return; 1185b24ab676SJeff Bonwick 1186b24ab676SJeff Bonwick itx = zil_itx_create(TX_TRUNCATE, sizeof (*lr)); 1187b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1188b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1189b24ab676SJeff Bonwick 11905002558fSNeil Perrin itx->itx_sync = B_FALSE; 11915002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1192b24ab676SJeff Bonwick } 1193b24ab676SJeff Bonwick 11945002558fSNeil Perrin static void 1195b24ab676SJeff Bonwick ztest_log_setattr(ztest_ds_t *zd, dmu_tx_t *tx, lr_setattr_t *lr) 1196b24ab676SJeff Bonwick { 1197b24ab676SJeff Bonwick itx_t *itx; 1198b24ab676SJeff Bonwick 1199b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 12005002558fSNeil Perrin return; 1201b24ab676SJeff Bonwick 1202b24ab676SJeff Bonwick itx = zil_itx_create(TX_SETATTR, sizeof (*lr)); 1203b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1204b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1205b24ab676SJeff Bonwick 12065002558fSNeil Perrin itx->itx_sync = B_FALSE; 12075002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1208b24ab676SJeff Bonwick } 1209b24ab676SJeff Bonwick 1210b24ab676SJeff Bonwick /* 1211b24ab676SJeff Bonwick * ZIL replay ops 1212b24ab676SJeff Bonwick */ 1213b24ab676SJeff Bonwick static int 1214b24ab676SJeff Bonwick ztest_replay_create(ztest_ds_t *zd, lr_create_t *lr, boolean_t byteswap) 1215b24ab676SJeff Bonwick { 1216b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1217b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1218b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1219b24ab676SJeff Bonwick dmu_buf_t *db; 1220b24ab676SJeff Bonwick dmu_tx_t *tx; 1221b24ab676SJeff Bonwick uint64_t txg; 1222b24ab676SJeff Bonwick int error = 0; 1223b24ab676SJeff Bonwick 1224b24ab676SJeff Bonwick if (byteswap) 1225b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1226b24ab676SJeff Bonwick 1227b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1228b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1229b24ab676SJeff Bonwick 1230b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1231b24ab676SJeff Bonwick 1232b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_TRUE, name); 1233b24ab676SJeff Bonwick 1234b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1235b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); 1236b24ab676SJeff Bonwick } else { 1237b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1238b24ab676SJeff Bonwick } 1239b24ab676SJeff Bonwick 1240b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1241b24ab676SJeff Bonwick if (txg == 0) 1242b24ab676SJeff Bonwick return (ENOSPC); 1243b24ab676SJeff Bonwick 1244b24ab676SJeff Bonwick ASSERT(dmu_objset_zil(os)->zl_replay == !!lr->lr_foid); 1245b24ab676SJeff Bonwick 1246b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1247b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1248b24ab676SJeff Bonwick lr->lr_foid = zap_create(os, 1249b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1250b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1251b24ab676SJeff Bonwick } else { 1252b24ab676SJeff Bonwick error = zap_create_claim(os, lr->lr_foid, 1253b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1254b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1255b24ab676SJeff Bonwick } 1256b24ab676SJeff Bonwick } else { 1257b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1258b24ab676SJeff Bonwick lr->lr_foid = dmu_object_alloc(os, 1259b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1260b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1261b24ab676SJeff Bonwick } else { 1262b24ab676SJeff Bonwick error = dmu_object_claim(os, lr->lr_foid, 1263b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1264b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1265b24ab676SJeff Bonwick } 1266b24ab676SJeff Bonwick } 1267b24ab676SJeff Bonwick 1268b24ab676SJeff Bonwick if (error) { 1269b24ab676SJeff Bonwick ASSERT3U(error, ==, EEXIST); 1270b24ab676SJeff Bonwick ASSERT(zd->zd_zilog->zl_replay); 1271b24ab676SJeff Bonwick dmu_tx_commit(tx); 1272b24ab676SJeff Bonwick return (error); 1273b24ab676SJeff Bonwick } 1274b24ab676SJeff Bonwick 1275b24ab676SJeff Bonwick ASSERT(lr->lr_foid != 0); 1276b24ab676SJeff Bonwick 1277b24ab676SJeff Bonwick if (lr->lrz_type != DMU_OT_ZAP_OTHER) 1278b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_object_set_blocksize(os, lr->lr_foid, 1279b24ab676SJeff Bonwick lr->lrz_blocksize, lr->lrz_ibshift, tx)); 1280b24ab676SJeff Bonwick 1281b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1282b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1283b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1284b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_gen, txg, txg); 1285b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1286b24ab676SJeff Bonwick 1287b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_add(os, lr->lr_doid, name, sizeof (uint64_t), 1, 1288b24ab676SJeff Bonwick &lr->lr_foid, tx)); 1289b24ab676SJeff Bonwick 1290b24ab676SJeff Bonwick (void) ztest_log_create(zd, tx, lr); 1291b24ab676SJeff Bonwick 1292b24ab676SJeff Bonwick dmu_tx_commit(tx); 1293b24ab676SJeff Bonwick 1294b24ab676SJeff Bonwick return (0); 1295b24ab676SJeff Bonwick } 1296b24ab676SJeff Bonwick 1297b24ab676SJeff Bonwick static int 1298b24ab676SJeff Bonwick ztest_replay_remove(ztest_ds_t *zd, lr_remove_t *lr, boolean_t byteswap) 1299b24ab676SJeff Bonwick { 1300b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1301b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1302b24ab676SJeff Bonwick dmu_object_info_t doi; 1303b24ab676SJeff Bonwick dmu_tx_t *tx; 1304b24ab676SJeff Bonwick uint64_t object, txg; 1305b24ab676SJeff Bonwick 1306b24ab676SJeff Bonwick if (byteswap) 1307b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1308b24ab676SJeff Bonwick 1309b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1310b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1311b24ab676SJeff Bonwick 1312b24ab676SJeff Bonwick VERIFY3U(0, ==, 1313b24ab676SJeff Bonwick zap_lookup(os, lr->lr_doid, name, sizeof (object), 1, &object)); 1314b24ab676SJeff Bonwick ASSERT(object != 0); 1315b24ab676SJeff Bonwick 1316b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_WRITER); 1317b24ab676SJeff Bonwick 1318b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_object_info(os, object, &doi)); 1319b24ab676SJeff Bonwick 1320b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1321b24ab676SJeff Bonwick 1322b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_FALSE, name); 1323b24ab676SJeff Bonwick dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1324b24ab676SJeff Bonwick 1325b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1326b24ab676SJeff Bonwick if (txg == 0) { 1327b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1328b24ab676SJeff Bonwick return (ENOSPC); 1329b24ab676SJeff Bonwick } 1330b24ab676SJeff Bonwick 1331b24ab676SJeff Bonwick if (doi.doi_type == DMU_OT_ZAP_OTHER) { 1332b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_destroy(os, object, tx)); 1333b24ab676SJeff Bonwick } else { 1334b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_object_free(os, object, tx)); 1335b24ab676SJeff Bonwick } 1336b24ab676SJeff Bonwick 1337b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, lr->lr_doid, name, tx)); 1338b24ab676SJeff Bonwick 13395002558fSNeil Perrin (void) ztest_log_remove(zd, tx, lr, object); 1340b24ab676SJeff Bonwick 1341b24ab676SJeff Bonwick dmu_tx_commit(tx); 1342b24ab676SJeff Bonwick 1343b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1344b24ab676SJeff Bonwick 1345b24ab676SJeff Bonwick return (0); 1346b24ab676SJeff Bonwick } 1347b24ab676SJeff Bonwick 1348b24ab676SJeff Bonwick static int 1349b24ab676SJeff Bonwick ztest_replay_write(ztest_ds_t *zd, lr_write_t *lr, boolean_t byteswap) 1350b24ab676SJeff Bonwick { 1351b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1352b24ab676SJeff Bonwick void *data = lr + 1; /* data follows lr */ 1353b24ab676SJeff Bonwick uint64_t offset, length; 1354b24ab676SJeff Bonwick ztest_block_tag_t *bt = data; 1355b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1356b24ab676SJeff Bonwick uint64_t gen, txg, lrtxg, crtxg; 1357b24ab676SJeff Bonwick dmu_object_info_t doi; 1358b24ab676SJeff Bonwick dmu_tx_t *tx; 1359b24ab676SJeff Bonwick dmu_buf_t *db; 1360b24ab676SJeff Bonwick arc_buf_t *abuf = NULL; 1361b24ab676SJeff Bonwick rl_t *rl; 1362b24ab676SJeff Bonwick 1363b24ab676SJeff Bonwick if (byteswap) 1364b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1365b24ab676SJeff Bonwick 1366b24ab676SJeff Bonwick offset = lr->lr_offset; 1367b24ab676SJeff Bonwick length = lr->lr_length; 1368b24ab676SJeff Bonwick 1369b24ab676SJeff Bonwick /* If it's a dmu_sync() block, write the whole block */ 1370b24ab676SJeff Bonwick if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 1371b24ab676SJeff Bonwick uint64_t blocksize = BP_GET_LSIZE(&lr->lr_blkptr); 1372b24ab676SJeff Bonwick if (length < blocksize) { 1373b24ab676SJeff Bonwick offset -= offset % blocksize; 1374b24ab676SJeff Bonwick length = blocksize; 1375b24ab676SJeff Bonwick } 1376b24ab676SJeff Bonwick } 1377b24ab676SJeff Bonwick 1378b24ab676SJeff Bonwick if (bt->bt_magic == BSWAP_64(BT_MAGIC)) 1379b24ab676SJeff Bonwick byteswap_uint64_array(bt, sizeof (*bt)); 1380b24ab676SJeff Bonwick 1381b24ab676SJeff Bonwick if (bt->bt_magic != BT_MAGIC) 1382b24ab676SJeff Bonwick bt = NULL; 1383b24ab676SJeff Bonwick 1384b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1385b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, offset, length, RL_WRITER); 1386b24ab676SJeff Bonwick 1387b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1388b24ab676SJeff Bonwick 1389b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1390b24ab676SJeff Bonwick 1391b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1392b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1393b24ab676SJeff Bonwick gen = bbt->bt_gen; 1394b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1395b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1396b24ab676SJeff Bonwick 1397b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1398b24ab676SJeff Bonwick 1399b24ab676SJeff Bonwick dmu_tx_hold_write(tx, lr->lr_foid, offset, length); 1400b24ab676SJeff Bonwick 1401b24ab676SJeff Bonwick if (ztest_random(8) == 0 && length == doi.doi_data_block_size && 1402b24ab676SJeff Bonwick P2PHASE(offset, length) == 0) 1403b24ab676SJeff Bonwick abuf = dmu_request_arcbuf(db, length); 1404b24ab676SJeff Bonwick 1405b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1406b24ab676SJeff Bonwick if (txg == 0) { 1407b24ab676SJeff Bonwick if (abuf != NULL) 1408b24ab676SJeff Bonwick dmu_return_arcbuf(abuf); 1409b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1410b24ab676SJeff Bonwick ztest_range_unlock(rl); 1411b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1412b24ab676SJeff Bonwick return (ENOSPC); 1413b24ab676SJeff Bonwick } 1414b24ab676SJeff Bonwick 1415b24ab676SJeff Bonwick if (bt != NULL) { 1416b24ab676SJeff Bonwick /* 1417b24ab676SJeff Bonwick * Usually, verify the old data before writing new data -- 1418b24ab676SJeff Bonwick * but not always, because we also want to verify correct 1419b24ab676SJeff Bonwick * behavior when the data was not recently read into cache. 1420b24ab676SJeff Bonwick */ 1421b24ab676SJeff Bonwick ASSERT(offset % doi.doi_data_block_size == 0); 1422b24ab676SJeff Bonwick if (ztest_random(4) != 0) { 1423b24ab676SJeff Bonwick int prefetch = ztest_random(2) ? 1424b24ab676SJeff Bonwick DMU_READ_PREFETCH : DMU_READ_NO_PREFETCH; 1425b24ab676SJeff Bonwick ztest_block_tag_t rbt; 1426b24ab676SJeff Bonwick 1427b24ab676SJeff Bonwick VERIFY(dmu_read(os, lr->lr_foid, offset, 1428b24ab676SJeff Bonwick sizeof (rbt), &rbt, prefetch) == 0); 1429b24ab676SJeff Bonwick if (rbt.bt_magic == BT_MAGIC) { 1430b24ab676SJeff Bonwick ztest_bt_verify(&rbt, os, lr->lr_foid, 1431b24ab676SJeff Bonwick offset, gen, txg, crtxg); 1432b24ab676SJeff Bonwick } 1433b24ab676SJeff Bonwick } 1434b24ab676SJeff Bonwick 1435b24ab676SJeff Bonwick /* 1436b24ab676SJeff Bonwick * Writes can appear to be newer than the bonus buffer because 1437b24ab676SJeff Bonwick * the ztest_get_data() callback does a dmu_read() of the 1438b24ab676SJeff Bonwick * open-context data, which may be different than the data 1439b24ab676SJeff Bonwick * as it was when the write was generated. 1440b24ab676SJeff Bonwick */ 1441b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1442b24ab676SJeff Bonwick ztest_bt_verify(bt, os, lr->lr_foid, offset, 1443b24ab676SJeff Bonwick MAX(gen, bt->bt_gen), MAX(txg, lrtxg), 1444b24ab676SJeff Bonwick bt->bt_crtxg); 1445b24ab676SJeff Bonwick } 1446b24ab676SJeff Bonwick 1447b24ab676SJeff Bonwick /* 1448b24ab676SJeff Bonwick * Set the bt's gen/txg to the bonus buffer's gen/txg 1449b24ab676SJeff Bonwick * so that all of the usual ASSERTs will work. 1450b24ab676SJeff Bonwick */ 1451b24ab676SJeff Bonwick ztest_bt_generate(bt, os, lr->lr_foid, offset, gen, txg, crtxg); 1452b24ab676SJeff Bonwick } 1453b24ab676SJeff Bonwick 1454b24ab676SJeff Bonwick if (abuf == NULL) { 1455b24ab676SJeff Bonwick dmu_write(os, lr->lr_foid, offset, length, data, tx); 1456b24ab676SJeff Bonwick } else { 1457b24ab676SJeff Bonwick bcopy(data, abuf->b_data, length); 1458b24ab676SJeff Bonwick dmu_assign_arcbuf(db, offset, abuf, tx); 1459b24ab676SJeff Bonwick } 1460b24ab676SJeff Bonwick 1461b24ab676SJeff Bonwick (void) ztest_log_write(zd, tx, lr); 1462b24ab676SJeff Bonwick 1463b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1464b24ab676SJeff Bonwick 1465b24ab676SJeff Bonwick dmu_tx_commit(tx); 1466b24ab676SJeff Bonwick 1467b24ab676SJeff Bonwick ztest_range_unlock(rl); 1468b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1469b24ab676SJeff Bonwick 1470b24ab676SJeff Bonwick return (0); 1471b24ab676SJeff Bonwick } 1472b24ab676SJeff Bonwick 1473b24ab676SJeff Bonwick static int 1474b24ab676SJeff Bonwick ztest_replay_truncate(ztest_ds_t *zd, lr_truncate_t *lr, boolean_t byteswap) 1475b24ab676SJeff Bonwick { 1476b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1477b24ab676SJeff Bonwick dmu_tx_t *tx; 1478b24ab676SJeff Bonwick uint64_t txg; 1479b24ab676SJeff Bonwick rl_t *rl; 1480b24ab676SJeff Bonwick 1481b24ab676SJeff Bonwick if (byteswap) 1482b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1483b24ab676SJeff Bonwick 1484b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1485b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, lr->lr_offset, lr->lr_length, 1486b24ab676SJeff Bonwick RL_WRITER); 1487b24ab676SJeff Bonwick 1488b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1489b24ab676SJeff Bonwick 1490b24ab676SJeff Bonwick dmu_tx_hold_free(tx, lr->lr_foid, lr->lr_offset, lr->lr_length); 1491b24ab676SJeff Bonwick 1492b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1493b24ab676SJeff Bonwick if (txg == 0) { 1494b24ab676SJeff Bonwick ztest_range_unlock(rl); 1495b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1496b24ab676SJeff Bonwick return (ENOSPC); 1497b24ab676SJeff Bonwick } 1498b24ab676SJeff Bonwick 1499b24ab676SJeff Bonwick VERIFY(dmu_free_range(os, lr->lr_foid, lr->lr_offset, 1500b24ab676SJeff Bonwick lr->lr_length, tx) == 0); 1501b24ab676SJeff Bonwick 1502b24ab676SJeff Bonwick (void) ztest_log_truncate(zd, tx, lr); 1503b24ab676SJeff Bonwick 1504b24ab676SJeff Bonwick dmu_tx_commit(tx); 1505b24ab676SJeff Bonwick 1506b24ab676SJeff Bonwick ztest_range_unlock(rl); 1507b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1508b24ab676SJeff Bonwick 1509b24ab676SJeff Bonwick return (0); 1510b24ab676SJeff Bonwick } 1511b24ab676SJeff Bonwick 1512b24ab676SJeff Bonwick static int 1513b24ab676SJeff Bonwick ztest_replay_setattr(ztest_ds_t *zd, lr_setattr_t *lr, boolean_t byteswap) 1514b24ab676SJeff Bonwick { 1515b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1516b24ab676SJeff Bonwick dmu_tx_t *tx; 1517b24ab676SJeff Bonwick dmu_buf_t *db; 1518b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1519b24ab676SJeff Bonwick uint64_t txg, lrtxg, crtxg; 1520b24ab676SJeff Bonwick 1521b24ab676SJeff Bonwick if (byteswap) 1522b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1523b24ab676SJeff Bonwick 1524b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_WRITER); 1525b24ab676SJeff Bonwick 1526b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1527b24ab676SJeff Bonwick 1528b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1529b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, lr->lr_foid); 1530b24ab676SJeff Bonwick 1531b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1532b24ab676SJeff Bonwick if (txg == 0) { 1533b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1534b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1535b24ab676SJeff Bonwick return (ENOSPC); 1536b24ab676SJeff Bonwick } 1537b24ab676SJeff Bonwick 1538b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1539b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1540b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1541b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1542b24ab676SJeff Bonwick 1543b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1544b24ab676SJeff Bonwick ASSERT(lr->lr_size != 0); 1545b24ab676SJeff Bonwick ASSERT(lr->lr_mode != 0); 1546b24ab676SJeff Bonwick ASSERT(lrtxg != 0); 1547b24ab676SJeff Bonwick } else { 1548b24ab676SJeff Bonwick /* 1549b24ab676SJeff Bonwick * Randomly change the size and increment the generation. 1550b24ab676SJeff Bonwick */ 1551b24ab676SJeff Bonwick lr->lr_size = (ztest_random(db->db_size / sizeof (*bbt)) + 1) * 1552b24ab676SJeff Bonwick sizeof (*bbt); 1553b24ab676SJeff Bonwick lr->lr_mode = bbt->bt_gen + 1; 1554b24ab676SJeff Bonwick ASSERT(lrtxg == 0); 1555b24ab676SJeff Bonwick } 1556b24ab676SJeff Bonwick 1557b24ab676SJeff Bonwick /* 1558b24ab676SJeff Bonwick * Verify that the current bonus buffer is not newer than our txg. 1559b24ab676SJeff Bonwick */ 1560b24ab676SJeff Bonwick ztest_bt_verify(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, 1561b24ab676SJeff Bonwick MAX(txg, lrtxg), crtxg); 1562b24ab676SJeff Bonwick 1563b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1564b24ab676SJeff Bonwick 1565b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, >=, sizeof (*bbt)); 1566b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, <=, db->db_size); 1567b24ab676SJeff Bonwick VERIFY3U(dmu_set_bonus(db, lr->lr_size, tx), ==, 0); 1568b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1569b24ab676SJeff Bonwick 1570b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, txg, crtxg); 1571b24ab676SJeff Bonwick 1572b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1573b24ab676SJeff Bonwick 1574b24ab676SJeff Bonwick (void) ztest_log_setattr(zd, tx, lr); 1575b24ab676SJeff Bonwick 1576b24ab676SJeff Bonwick dmu_tx_commit(tx); 1577b24ab676SJeff Bonwick 1578b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1579b24ab676SJeff Bonwick 1580b24ab676SJeff Bonwick return (0); 1581b24ab676SJeff Bonwick } 1582b24ab676SJeff Bonwick 1583b24ab676SJeff Bonwick zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 1584b24ab676SJeff Bonwick NULL, /* 0 no such transaction type */ 1585b24ab676SJeff Bonwick ztest_replay_create, /* TX_CREATE */ 1586b24ab676SJeff Bonwick NULL, /* TX_MKDIR */ 1587b24ab676SJeff Bonwick NULL, /* TX_MKXATTR */ 1588b24ab676SJeff Bonwick NULL, /* TX_SYMLINK */ 1589b24ab676SJeff Bonwick ztest_replay_remove, /* TX_REMOVE */ 1590b24ab676SJeff Bonwick NULL, /* TX_RMDIR */ 1591b24ab676SJeff Bonwick NULL, /* TX_LINK */ 1592b24ab676SJeff Bonwick NULL, /* TX_RENAME */ 1593b24ab676SJeff Bonwick ztest_replay_write, /* TX_WRITE */ 1594b24ab676SJeff Bonwick ztest_replay_truncate, /* TX_TRUNCATE */ 1595b24ab676SJeff Bonwick ztest_replay_setattr, /* TX_SETATTR */ 1596b24ab676SJeff Bonwick NULL, /* TX_ACL */ 1597b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL */ 1598b24ab676SJeff Bonwick NULL, /* TX_CREATE_ATTR */ 1599b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL_ATTR */ 1600b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL */ 1601b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ATTR */ 1602b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL_ATTR */ 1603b24ab676SJeff Bonwick NULL, /* TX_WRITE2 */ 1604b24ab676SJeff Bonwick }; 1605b24ab676SJeff Bonwick 1606b24ab676SJeff Bonwick /* 1607b24ab676SJeff Bonwick * ZIL get_data callbacks 1608b24ab676SJeff Bonwick */ 1609b24ab676SJeff Bonwick 1610b24ab676SJeff Bonwick static void 1611b24ab676SJeff Bonwick ztest_get_done(zgd_t *zgd, int error) 1612b24ab676SJeff Bonwick { 1613b24ab676SJeff Bonwick ztest_ds_t *zd = zgd->zgd_private; 1614b24ab676SJeff Bonwick uint64_t object = zgd->zgd_rl->rl_object; 1615b24ab676SJeff Bonwick 1616b24ab676SJeff Bonwick if (zgd->zgd_db) 1617b24ab676SJeff Bonwick dmu_buf_rele(zgd->zgd_db, zgd); 1618b24ab676SJeff Bonwick 1619b24ab676SJeff Bonwick ztest_range_unlock(zgd->zgd_rl); 1620b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1621b24ab676SJeff Bonwick 1622b24ab676SJeff Bonwick if (error == 0 && zgd->zgd_bp) 1623b24ab676SJeff Bonwick zil_add_block(zgd->zgd_zilog, zgd->zgd_bp); 1624b24ab676SJeff Bonwick 1625b24ab676SJeff Bonwick umem_free(zgd, sizeof (*zgd)); 1626b24ab676SJeff Bonwick } 1627b24ab676SJeff Bonwick 1628b24ab676SJeff Bonwick static int 1629b24ab676SJeff Bonwick ztest_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio) 1630b24ab676SJeff Bonwick { 1631b24ab676SJeff Bonwick ztest_ds_t *zd = arg; 1632b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1633b24ab676SJeff Bonwick uint64_t object = lr->lr_foid; 1634b24ab676SJeff Bonwick uint64_t offset = lr->lr_offset; 1635b24ab676SJeff Bonwick uint64_t size = lr->lr_length; 1636b24ab676SJeff Bonwick blkptr_t *bp = &lr->lr_blkptr; 1637b24ab676SJeff Bonwick uint64_t txg = lr->lr_common.lrc_txg; 1638b24ab676SJeff Bonwick uint64_t crtxg; 1639b24ab676SJeff Bonwick dmu_object_info_t doi; 1640b24ab676SJeff Bonwick dmu_buf_t *db; 1641b24ab676SJeff Bonwick zgd_t *zgd; 1642b24ab676SJeff Bonwick int error; 1643b24ab676SJeff Bonwick 1644b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 1645b24ab676SJeff Bonwick error = dmu_bonus_hold(os, object, FTAG, &db); 1646b24ab676SJeff Bonwick if (error) { 1647b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1648b24ab676SJeff Bonwick return (error); 1649b24ab676SJeff Bonwick } 1650b24ab676SJeff Bonwick 1651b24ab676SJeff Bonwick crtxg = ztest_bt_bonus(db)->bt_crtxg; 1652b24ab676SJeff Bonwick 1653b24ab676SJeff Bonwick if (crtxg == 0 || crtxg > txg) { 1654b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1655b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1656b24ab676SJeff Bonwick return (ENOENT); 1657b24ab676SJeff Bonwick } 1658b24ab676SJeff Bonwick 1659b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1660b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1661b24ab676SJeff Bonwick db = NULL; 1662b24ab676SJeff Bonwick 1663b24ab676SJeff Bonwick zgd = umem_zalloc(sizeof (*zgd), UMEM_NOFAIL); 1664b24ab676SJeff Bonwick zgd->zgd_zilog = zd->zd_zilog; 1665b24ab676SJeff Bonwick zgd->zgd_private = zd; 1666b24ab676SJeff Bonwick 1667b24ab676SJeff Bonwick if (buf != NULL) { /* immediate write */ 1668b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1669b24ab676SJeff Bonwick RL_READER); 1670b24ab676SJeff Bonwick 1671b24ab676SJeff Bonwick error = dmu_read(os, object, offset, size, buf, 1672b24ab676SJeff Bonwick DMU_READ_NO_PREFETCH); 1673b24ab676SJeff Bonwick ASSERT(error == 0); 1674b24ab676SJeff Bonwick } else { 1675b24ab676SJeff Bonwick size = doi.doi_data_block_size; 1676dfe73b3dSJeff Bonwick if (ISP2(size)) { 1677b24ab676SJeff Bonwick offset = P2ALIGN(offset, size); 1678dfe73b3dSJeff Bonwick } else { 1679dfe73b3dSJeff Bonwick ASSERT(offset < size); 1680dfe73b3dSJeff Bonwick offset = 0; 1681dfe73b3dSJeff Bonwick } 1682b24ab676SJeff Bonwick 1683b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1684b24ab676SJeff Bonwick RL_READER); 1685b24ab676SJeff Bonwick 168647cb52daSJeff Bonwick error = dmu_buf_hold(os, object, offset, zgd, &db, 168747cb52daSJeff Bonwick DMU_READ_NO_PREFETCH); 1688b24ab676SJeff Bonwick 1689b24ab676SJeff Bonwick if (error == 0) { 1690b24ab676SJeff Bonwick zgd->zgd_db = db; 1691b24ab676SJeff Bonwick zgd->zgd_bp = bp; 1692b24ab676SJeff Bonwick 1693b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 1694b24ab676SJeff Bonwick ASSERT(db->db_size == size); 1695b24ab676SJeff Bonwick 1696b24ab676SJeff Bonwick error = dmu_sync(zio, lr->lr_common.lrc_txg, 1697b24ab676SJeff Bonwick ztest_get_done, zgd); 1698b24ab676SJeff Bonwick 1699b24ab676SJeff Bonwick if (error == 0) 1700b24ab676SJeff Bonwick return (0); 1701b24ab676SJeff Bonwick } 1702b24ab676SJeff Bonwick } 1703b24ab676SJeff Bonwick 1704b24ab676SJeff Bonwick ztest_get_done(zgd, error); 1705b24ab676SJeff Bonwick 1706b24ab676SJeff Bonwick return (error); 1707b24ab676SJeff Bonwick } 1708b24ab676SJeff Bonwick 1709b24ab676SJeff Bonwick static void * 1710b24ab676SJeff Bonwick ztest_lr_alloc(size_t lrsize, char *name) 1711b24ab676SJeff Bonwick { 1712b24ab676SJeff Bonwick char *lr; 1713b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1714b24ab676SJeff Bonwick 1715b24ab676SJeff Bonwick lr = umem_zalloc(lrsize + namesize, UMEM_NOFAIL); 1716b24ab676SJeff Bonwick 1717b24ab676SJeff Bonwick if (name) 1718b24ab676SJeff Bonwick bcopy(name, lr + lrsize, namesize); 1719b24ab676SJeff Bonwick 1720b24ab676SJeff Bonwick return (lr); 1721b24ab676SJeff Bonwick } 1722b24ab676SJeff Bonwick 1723b24ab676SJeff Bonwick void 1724b24ab676SJeff Bonwick ztest_lr_free(void *lr, size_t lrsize, char *name) 1725b24ab676SJeff Bonwick { 1726b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1727b24ab676SJeff Bonwick 1728b24ab676SJeff Bonwick umem_free(lr, lrsize + namesize); 1729b24ab676SJeff Bonwick } 1730b24ab676SJeff Bonwick 1731b24ab676SJeff Bonwick /* 1732b24ab676SJeff Bonwick * Lookup a bunch of objects. Returns the number of objects not found. 1733b24ab676SJeff Bonwick */ 1734b24ab676SJeff Bonwick static int 1735b24ab676SJeff Bonwick ztest_lookup(ztest_ds_t *zd, ztest_od_t *od, int count) 1736b24ab676SJeff Bonwick { 1737b24ab676SJeff Bonwick int missing = 0; 1738b24ab676SJeff Bonwick int error; 1739b24ab676SJeff Bonwick 1740b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1741b24ab676SJeff Bonwick 1742b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1743b24ab676SJeff Bonwick od->od_object = 0; 1744b24ab676SJeff Bonwick error = zap_lookup(zd->zd_os, od->od_dir, od->od_name, 1745b24ab676SJeff Bonwick sizeof (uint64_t), 1, &od->od_object); 1746b24ab676SJeff Bonwick if (error) { 1747b24ab676SJeff Bonwick ASSERT(error == ENOENT); 1748b24ab676SJeff Bonwick ASSERT(od->od_object == 0); 1749b24ab676SJeff Bonwick missing++; 1750b24ab676SJeff Bonwick } else { 1751b24ab676SJeff Bonwick dmu_buf_t *db; 1752b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1753b24ab676SJeff Bonwick dmu_object_info_t doi; 1754b24ab676SJeff Bonwick 1755b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1756b24ab676SJeff Bonwick ASSERT(missing == 0); /* there should be no gaps */ 1757b24ab676SJeff Bonwick 1758b24ab676SJeff Bonwick ztest_object_lock(zd, od->od_object, RL_READER); 1759b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(zd->zd_os, 1760b24ab676SJeff Bonwick od->od_object, FTAG, &db)); 1761b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1762b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1763b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1764b24ab676SJeff Bonwick od->od_type = doi.doi_type; 1765b24ab676SJeff Bonwick od->od_blocksize = doi.doi_data_block_size; 1766b24ab676SJeff Bonwick od->od_gen = bbt->bt_gen; 1767b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1768b24ab676SJeff Bonwick ztest_object_unlock(zd, od->od_object); 1769b24ab676SJeff Bonwick } 1770b24ab676SJeff Bonwick } 1771b24ab676SJeff Bonwick 1772b24ab676SJeff Bonwick return (missing); 1773b24ab676SJeff Bonwick } 1774b24ab676SJeff Bonwick 1775b24ab676SJeff Bonwick static int 1776b24ab676SJeff Bonwick ztest_create(ztest_ds_t *zd, ztest_od_t *od, int count) 1777b24ab676SJeff Bonwick { 1778b24ab676SJeff Bonwick int missing = 0; 1779b24ab676SJeff Bonwick 1780b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1781b24ab676SJeff Bonwick 1782b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1783b24ab676SJeff Bonwick if (missing) { 1784b24ab676SJeff Bonwick od->od_object = 0; 1785b24ab676SJeff Bonwick missing++; 1786b24ab676SJeff Bonwick continue; 1787b24ab676SJeff Bonwick } 1788b24ab676SJeff Bonwick 1789b24ab676SJeff Bonwick lr_create_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1790b24ab676SJeff Bonwick 1791b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1792b24ab676SJeff Bonwick lr->lr_foid = 0; /* 0 to allocate, > 0 to claim */ 1793b24ab676SJeff Bonwick lr->lrz_type = od->od_crtype; 1794b24ab676SJeff Bonwick lr->lrz_blocksize = od->od_crblocksize; 1795b24ab676SJeff Bonwick lr->lrz_ibshift = ztest_random_ibshift(); 1796b24ab676SJeff Bonwick lr->lrz_bonustype = DMU_OT_UINT64_OTHER; 1797b24ab676SJeff Bonwick lr->lrz_bonuslen = dmu_bonus_max(); 1798b24ab676SJeff Bonwick lr->lr_gen = od->od_crgen; 1799b24ab676SJeff Bonwick lr->lr_crtime[0] = time(NULL); 1800b24ab676SJeff Bonwick 1801b24ab676SJeff Bonwick if (ztest_replay_create(zd, lr, B_FALSE) != 0) { 1802b24ab676SJeff Bonwick ASSERT(missing == 0); 1803b24ab676SJeff Bonwick od->od_object = 0; 1804b24ab676SJeff Bonwick missing++; 1805b24ab676SJeff Bonwick } else { 1806b24ab676SJeff Bonwick od->od_object = lr->lr_foid; 1807b24ab676SJeff Bonwick od->od_type = od->od_crtype; 1808b24ab676SJeff Bonwick od->od_blocksize = od->od_crblocksize; 1809b24ab676SJeff Bonwick od->od_gen = od->od_crgen; 1810b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1811b24ab676SJeff Bonwick } 1812b24ab676SJeff Bonwick 1813b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1814b24ab676SJeff Bonwick } 1815b24ab676SJeff Bonwick 1816b24ab676SJeff Bonwick return (missing); 1817b24ab676SJeff Bonwick } 1818b24ab676SJeff Bonwick 1819b24ab676SJeff Bonwick static int 1820b24ab676SJeff Bonwick ztest_remove(ztest_ds_t *zd, ztest_od_t *od, int count) 1821b24ab676SJeff Bonwick { 1822b24ab676SJeff Bonwick int missing = 0; 1823b24ab676SJeff Bonwick int error; 1824b24ab676SJeff Bonwick 1825b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1826b24ab676SJeff Bonwick 1827b24ab676SJeff Bonwick od += count - 1; 1828b24ab676SJeff Bonwick 1829b24ab676SJeff Bonwick for (int i = count - 1; i >= 0; i--, od--) { 1830b24ab676SJeff Bonwick if (missing) { 1831b24ab676SJeff Bonwick missing++; 1832b24ab676SJeff Bonwick continue; 1833b24ab676SJeff Bonwick } 1834b24ab676SJeff Bonwick 1835b24ab676SJeff Bonwick if (od->od_object == 0) 1836b24ab676SJeff Bonwick continue; 1837b24ab676SJeff Bonwick 1838b24ab676SJeff Bonwick lr_remove_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1839b24ab676SJeff Bonwick 1840b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1841b24ab676SJeff Bonwick 1842b24ab676SJeff Bonwick if ((error = ztest_replay_remove(zd, lr, B_FALSE)) != 0) { 1843b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1844b24ab676SJeff Bonwick missing++; 1845b24ab676SJeff Bonwick } else { 1846b24ab676SJeff Bonwick od->od_object = 0; 1847b24ab676SJeff Bonwick } 1848b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1849b24ab676SJeff Bonwick } 1850b24ab676SJeff Bonwick 1851b24ab676SJeff Bonwick return (missing); 1852b24ab676SJeff Bonwick } 1853b24ab676SJeff Bonwick 1854b24ab676SJeff Bonwick static int 1855b24ab676SJeff Bonwick ztest_write(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size, 1856b24ab676SJeff Bonwick void *data) 1857b24ab676SJeff Bonwick { 1858b24ab676SJeff Bonwick lr_write_t *lr; 1859b24ab676SJeff Bonwick int error; 1860b24ab676SJeff Bonwick 1861b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr) + size, NULL); 1862b24ab676SJeff Bonwick 1863b24ab676SJeff Bonwick lr->lr_foid = object; 1864b24ab676SJeff Bonwick lr->lr_offset = offset; 1865b24ab676SJeff Bonwick lr->lr_length = size; 1866b24ab676SJeff Bonwick lr->lr_blkoff = 0; 1867b24ab676SJeff Bonwick BP_ZERO(&lr->lr_blkptr); 1868b24ab676SJeff Bonwick 1869b24ab676SJeff Bonwick bcopy(data, lr + 1, size); 1870b24ab676SJeff Bonwick 1871b24ab676SJeff Bonwick error = ztest_replay_write(zd, lr, B_FALSE); 1872b24ab676SJeff Bonwick 1873b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr) + size, NULL); 1874b24ab676SJeff Bonwick 1875b24ab676SJeff Bonwick return (error); 1876b24ab676SJeff Bonwick } 1877b24ab676SJeff Bonwick 1878b24ab676SJeff Bonwick static int 1879b24ab676SJeff Bonwick ztest_truncate(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 1880b24ab676SJeff Bonwick { 1881b24ab676SJeff Bonwick lr_truncate_t *lr; 1882b24ab676SJeff Bonwick int error; 1883b24ab676SJeff Bonwick 1884b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 1885b24ab676SJeff Bonwick 1886b24ab676SJeff Bonwick lr->lr_foid = object; 1887b24ab676SJeff Bonwick lr->lr_offset = offset; 1888b24ab676SJeff Bonwick lr->lr_length = size; 1889b24ab676SJeff Bonwick 1890b24ab676SJeff Bonwick error = ztest_replay_truncate(zd, lr, B_FALSE); 1891b24ab676SJeff Bonwick 1892b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 1893b24ab676SJeff Bonwick 1894b24ab676SJeff Bonwick return (error); 1895b24ab676SJeff Bonwick } 1896b24ab676SJeff Bonwick 1897b24ab676SJeff Bonwick static int 1898b24ab676SJeff Bonwick ztest_setattr(ztest_ds_t *zd, uint64_t object) 1899b24ab676SJeff Bonwick { 1900b24ab676SJeff Bonwick lr_setattr_t *lr; 1901b24ab676SJeff Bonwick int error; 1902b24ab676SJeff Bonwick 1903b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 1904b24ab676SJeff Bonwick 1905b24ab676SJeff Bonwick lr->lr_foid = object; 1906b24ab676SJeff Bonwick lr->lr_size = 0; 1907b24ab676SJeff Bonwick lr->lr_mode = 0; 1908b24ab676SJeff Bonwick 1909b24ab676SJeff Bonwick error = ztest_replay_setattr(zd, lr, B_FALSE); 1910b24ab676SJeff Bonwick 1911b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 1912b24ab676SJeff Bonwick 1913b24ab676SJeff Bonwick return (error); 1914b24ab676SJeff Bonwick } 1915b24ab676SJeff Bonwick 1916b24ab676SJeff Bonwick static void 1917b24ab676SJeff Bonwick ztest_prealloc(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 1918b24ab676SJeff Bonwick { 1919b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1920b24ab676SJeff Bonwick dmu_tx_t *tx; 1921b24ab676SJeff Bonwick uint64_t txg; 1922b24ab676SJeff Bonwick rl_t *rl; 1923b24ab676SJeff Bonwick 1924b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 1925b24ab676SJeff Bonwick 1926b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 1927b24ab676SJeff Bonwick rl = ztest_range_lock(zd, object, offset, size, RL_WRITER); 1928b24ab676SJeff Bonwick 1929b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1930b24ab676SJeff Bonwick 1931b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, offset, size); 1932b24ab676SJeff Bonwick 1933b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1934b24ab676SJeff Bonwick 1935b24ab676SJeff Bonwick if (txg != 0) { 1936b24ab676SJeff Bonwick dmu_prealloc(os, object, offset, size, tx); 1937b24ab676SJeff Bonwick dmu_tx_commit(tx); 1938b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 1939b24ab676SJeff Bonwick } else { 1940b24ab676SJeff Bonwick (void) dmu_free_long_range(os, object, offset, size); 1941b24ab676SJeff Bonwick } 1942b24ab676SJeff Bonwick 1943b24ab676SJeff Bonwick ztest_range_unlock(rl); 1944b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1945b24ab676SJeff Bonwick } 1946b24ab676SJeff Bonwick 1947b24ab676SJeff Bonwick static void 1948b24ab676SJeff Bonwick ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t offset) 1949b24ab676SJeff Bonwick { 1950b24ab676SJeff Bonwick ztest_block_tag_t wbt; 1951b24ab676SJeff Bonwick dmu_object_info_t doi; 1952b24ab676SJeff Bonwick enum ztest_io_type io_type; 1953b24ab676SJeff Bonwick uint64_t blocksize; 1954b24ab676SJeff Bonwick void *data; 1955b24ab676SJeff Bonwick 1956b24ab676SJeff Bonwick VERIFY(dmu_object_info(zd->zd_os, object, &doi) == 0); 1957b24ab676SJeff Bonwick blocksize = doi.doi_data_block_size; 1958b24ab676SJeff Bonwick data = umem_alloc(blocksize, UMEM_NOFAIL); 1959b24ab676SJeff Bonwick 1960b24ab676SJeff Bonwick /* 1961b24ab676SJeff Bonwick * Pick an i/o type at random, biased toward writing block tags. 1962b24ab676SJeff Bonwick */ 1963b24ab676SJeff Bonwick io_type = ztest_random(ZTEST_IO_TYPES); 1964b24ab676SJeff Bonwick if (ztest_random(2) == 0) 1965b24ab676SJeff Bonwick io_type = ZTEST_IO_WRITE_TAG; 1966b24ab676SJeff Bonwick 1967*c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 1968*c9ba2a43SEric Schrock 1969b24ab676SJeff Bonwick switch (io_type) { 1970b24ab676SJeff Bonwick 1971b24ab676SJeff Bonwick case ZTEST_IO_WRITE_TAG: 1972b24ab676SJeff Bonwick ztest_bt_generate(&wbt, zd->zd_os, object, offset, 0, 0, 0); 1973b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, sizeof (wbt), &wbt); 1974b24ab676SJeff Bonwick break; 1975b24ab676SJeff Bonwick 1976b24ab676SJeff Bonwick case ZTEST_IO_WRITE_PATTERN: 1977b24ab676SJeff Bonwick (void) memset(data, 'a' + (object + offset) % 5, blocksize); 1978b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 1979b24ab676SJeff Bonwick /* 1980b24ab676SJeff Bonwick * Induce fletcher2 collisions to ensure that 1981b24ab676SJeff Bonwick * zio_ddt_collision() detects and resolves them 1982b24ab676SJeff Bonwick * when using fletcher2-verify for deduplication. 1983b24ab676SJeff Bonwick */ 1984b24ab676SJeff Bonwick ((uint64_t *)data)[0] ^= 1ULL << 63; 1985b24ab676SJeff Bonwick ((uint64_t *)data)[4] ^= 1ULL << 63; 1986b24ab676SJeff Bonwick } 1987b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 1988b24ab676SJeff Bonwick break; 1989b24ab676SJeff Bonwick 1990b24ab676SJeff Bonwick case ZTEST_IO_WRITE_ZEROES: 1991b24ab676SJeff Bonwick bzero(data, blocksize); 1992b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 1993b24ab676SJeff Bonwick break; 1994b24ab676SJeff Bonwick 1995b24ab676SJeff Bonwick case ZTEST_IO_TRUNCATE: 1996b24ab676SJeff Bonwick (void) ztest_truncate(zd, object, offset, blocksize); 1997b24ab676SJeff Bonwick break; 1998b24ab676SJeff Bonwick 1999b24ab676SJeff Bonwick case ZTEST_IO_SETATTR: 2000b24ab676SJeff Bonwick (void) ztest_setattr(zd, object); 2001b24ab676SJeff Bonwick break; 2002b24ab676SJeff Bonwick } 2003b24ab676SJeff Bonwick 2004*c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2005*c9ba2a43SEric Schrock 2006b24ab676SJeff Bonwick umem_free(data, blocksize); 2007b24ab676SJeff Bonwick } 2008b24ab676SJeff Bonwick 2009b24ab676SJeff Bonwick /* 2010b24ab676SJeff Bonwick * Initialize an object description template. 2011b24ab676SJeff Bonwick */ 2012b24ab676SJeff Bonwick static void 2013b24ab676SJeff Bonwick ztest_od_init(ztest_od_t *od, uint64_t id, char *tag, uint64_t index, 2014b24ab676SJeff Bonwick dmu_object_type_t type, uint64_t blocksize, uint64_t gen) 2015b24ab676SJeff Bonwick { 2016b24ab676SJeff Bonwick od->od_dir = ZTEST_DIROBJ; 2017b24ab676SJeff Bonwick od->od_object = 0; 2018b24ab676SJeff Bonwick 2019b24ab676SJeff Bonwick od->od_crtype = type; 2020b24ab676SJeff Bonwick od->od_crblocksize = blocksize ? blocksize : ztest_random_blocksize(); 2021b24ab676SJeff Bonwick od->od_crgen = gen; 2022b24ab676SJeff Bonwick 2023b24ab676SJeff Bonwick od->od_type = DMU_OT_NONE; 2024b24ab676SJeff Bonwick od->od_blocksize = 0; 2025b24ab676SJeff Bonwick od->od_gen = 0; 2026b24ab676SJeff Bonwick 2027b24ab676SJeff Bonwick (void) snprintf(od->od_name, sizeof (od->od_name), "%s(%lld)[%llu]", 2028b24ab676SJeff Bonwick tag, (int64_t)id, index); 2029b24ab676SJeff Bonwick } 2030b24ab676SJeff Bonwick 2031b24ab676SJeff Bonwick /* 2032b24ab676SJeff Bonwick * Lookup or create the objects for a test using the od template. 2033b24ab676SJeff Bonwick * If the objects do not all exist, or if 'remove' is specified, 2034b24ab676SJeff Bonwick * remove any existing objects and create new ones. Otherwise, 2035b24ab676SJeff Bonwick * use the existing objects. 2036b24ab676SJeff Bonwick */ 2037b24ab676SJeff Bonwick static int 2038b24ab676SJeff Bonwick ztest_object_init(ztest_ds_t *zd, ztest_od_t *od, size_t size, boolean_t remove) 2039b24ab676SJeff Bonwick { 2040b24ab676SJeff Bonwick int count = size / sizeof (*od); 2041b24ab676SJeff Bonwick int rv = 0; 2042b24ab676SJeff Bonwick 2043b24ab676SJeff Bonwick VERIFY(mutex_lock(&zd->zd_dirobj_lock) == 0); 2044b24ab676SJeff Bonwick if ((ztest_lookup(zd, od, count) != 0 || remove) && 2045b24ab676SJeff Bonwick (ztest_remove(zd, od, count) != 0 || 2046b24ab676SJeff Bonwick ztest_create(zd, od, count) != 0)) 2047b24ab676SJeff Bonwick rv = -1; 2048b24ab676SJeff Bonwick zd->zd_od = od; 2049b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2050b24ab676SJeff Bonwick 2051b24ab676SJeff Bonwick return (rv); 2052b24ab676SJeff Bonwick } 2053b24ab676SJeff Bonwick 2054b24ab676SJeff Bonwick /* ARGSUSED */ 2055b24ab676SJeff Bonwick void 2056b24ab676SJeff Bonwick ztest_zil_commit(ztest_ds_t *zd, uint64_t id) 2057b24ab676SJeff Bonwick { 2058b24ab676SJeff Bonwick zilog_t *zilog = zd->zd_zilog; 2059b24ab676SJeff Bonwick 2060*c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2061*c9ba2a43SEric Schrock 20625002558fSNeil Perrin zil_commit(zilog, ztest_random(ZTEST_OBJECTS)); 2063b24ab676SJeff Bonwick 2064b24ab676SJeff Bonwick /* 2065b24ab676SJeff Bonwick * Remember the committed values in zd, which is in parent/child 2066b24ab676SJeff Bonwick * shared memory. If we die, the next iteration of ztest_run() 2067b24ab676SJeff Bonwick * will verify that the log really does contain this record. 2068b24ab676SJeff Bonwick */ 2069b24ab676SJeff Bonwick mutex_enter(&zilog->zl_lock); 2070b24ab676SJeff Bonwick ASSERT(zd->zd_seq <= zilog->zl_commit_lr_seq); 2071b24ab676SJeff Bonwick zd->zd_seq = zilog->zl_commit_lr_seq; 2072b24ab676SJeff Bonwick mutex_exit(&zilog->zl_lock); 2073*c9ba2a43SEric Schrock 2074*c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2075*c9ba2a43SEric Schrock } 2076*c9ba2a43SEric Schrock 2077*c9ba2a43SEric Schrock /* 2078*c9ba2a43SEric Schrock * This function is designed to simulate the operations that occur during a 2079*c9ba2a43SEric Schrock * mount/unmount operation. We hold the dataset across these operations in an 2080*c9ba2a43SEric Schrock * attempt to expose any implicit assumptions about ZIL management. 2081*c9ba2a43SEric Schrock */ 2082*c9ba2a43SEric Schrock /* ARGSUSED */ 2083*c9ba2a43SEric Schrock void 2084*c9ba2a43SEric Schrock ztest_zil_remount(ztest_ds_t *zd, uint64_t id) 2085*c9ba2a43SEric Schrock { 2086*c9ba2a43SEric Schrock objset_t *os = zd->zd_os; 2087*c9ba2a43SEric Schrock 2088*c9ba2a43SEric Schrock (void) rw_wrlock(&zd->zd_zilog_lock); 2089*c9ba2a43SEric Schrock 2090*c9ba2a43SEric Schrock /* zfsvfs_teardown() */ 2091*c9ba2a43SEric Schrock zil_close(zd->zd_zilog); 2092*c9ba2a43SEric Schrock 2093*c9ba2a43SEric Schrock /* zfsvfs_setup() */ 2094*c9ba2a43SEric Schrock VERIFY(zil_open(os, ztest_get_data) == zd->zd_zilog); 2095*c9ba2a43SEric Schrock zil_replay(os, zd, ztest_replay_vector); 2096*c9ba2a43SEric Schrock 2097*c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2098b24ab676SJeff Bonwick } 2099b24ab676SJeff Bonwick 2100b24ab676SJeff Bonwick /* 2101b24ab676SJeff Bonwick * Verify that we can't destroy an active pool, create an existing pool, 2102b24ab676SJeff Bonwick * or create a pool with a bad vdev spec. 2103b24ab676SJeff Bonwick */ 2104b24ab676SJeff Bonwick /* ARGSUSED */ 2105b24ab676SJeff Bonwick void 2106b24ab676SJeff Bonwick ztest_spa_create_destroy(ztest_ds_t *zd, uint64_t id) 2107b24ab676SJeff Bonwick { 2108b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2109b24ab676SJeff Bonwick spa_t *spa; 2110b24ab676SJeff Bonwick nvlist_t *nvroot; 2111b24ab676SJeff Bonwick 2112b24ab676SJeff Bonwick /* 2113b24ab676SJeff Bonwick * Attempt to create using a bad file. 2114b24ab676SJeff Bonwick */ 2115b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 2116b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 2117b24ab676SJeff Bonwick spa_create("ztest_bad_file", nvroot, NULL, NULL, NULL)); 2118b24ab676SJeff Bonwick nvlist_free(nvroot); 2119b24ab676SJeff Bonwick 2120b24ab676SJeff Bonwick /* 2121b24ab676SJeff Bonwick * Attempt to create using a bad mirror. 2122b24ab676SJeff Bonwick */ 2123b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 2, 1); 2124b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 2125b24ab676SJeff Bonwick spa_create("ztest_bad_mirror", nvroot, NULL, NULL, NULL)); 2126b24ab676SJeff Bonwick nvlist_free(nvroot); 2127b24ab676SJeff Bonwick 2128b24ab676SJeff Bonwick /* 2129b24ab676SJeff Bonwick * Attempt to create an existing pool. It shouldn't matter 2130b24ab676SJeff Bonwick * what's in the nvroot; we should fail with EEXIST. 2131b24ab676SJeff Bonwick */ 2132b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 2133b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 2134b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, spa_create(zs->zs_pool, nvroot, NULL, NULL, NULL)); 2135b24ab676SJeff Bonwick nvlist_free(nvroot); 2136b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(zs->zs_pool, &spa, FTAG)); 2137b24ab676SJeff Bonwick VERIFY3U(EBUSY, ==, spa_destroy(zs->zs_pool)); 2138b24ab676SJeff Bonwick spa_close(spa, FTAG); 2139b24ab676SJeff Bonwick 2140b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 2141b24ab676SJeff Bonwick } 2142b24ab676SJeff Bonwick 2143b24ab676SJeff Bonwick static vdev_t * 2144b24ab676SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 2145b24ab676SJeff Bonwick { 2146b24ab676SJeff Bonwick vdev_t *mvd; 2147b24ab676SJeff Bonwick 2148b24ab676SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 2149b24ab676SJeff Bonwick return (vd); 2150b24ab676SJeff Bonwick 2151b24ab676SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 2152b24ab676SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 2153b24ab676SJeff Bonwick NULL) 2154b24ab676SJeff Bonwick return (mvd); 2155b24ab676SJeff Bonwick 2156b24ab676SJeff Bonwick return (NULL); 2157b24ab676SJeff Bonwick } 2158b24ab676SJeff Bonwick 2159b24ab676SJeff Bonwick /* 2160b24ab676SJeff Bonwick * Find the first available hole which can be used as a top-level. 2161b24ab676SJeff Bonwick */ 2162b24ab676SJeff Bonwick int 2163b24ab676SJeff Bonwick find_vdev_hole(spa_t *spa) 2164b24ab676SJeff Bonwick { 2165b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2166b24ab676SJeff Bonwick int c; 2167b24ab676SJeff Bonwick 2168b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_VDEV, RW_READER) == SCL_VDEV); 2169b24ab676SJeff Bonwick 2170b24ab676SJeff Bonwick for (c = 0; c < rvd->vdev_children; c++) { 2171b24ab676SJeff Bonwick vdev_t *cvd = rvd->vdev_child[c]; 2172b24ab676SJeff Bonwick 2173b24ab676SJeff Bonwick if (cvd->vdev_ishole) 2174b24ab676SJeff Bonwick break; 2175b24ab676SJeff Bonwick } 2176b24ab676SJeff Bonwick return (c); 2177b24ab676SJeff Bonwick } 2178b24ab676SJeff Bonwick 2179b24ab676SJeff Bonwick /* 2180b24ab676SJeff Bonwick * Verify that vdev_add() works as expected. 2181b24ab676SJeff Bonwick */ 2182b24ab676SJeff Bonwick /* ARGSUSED */ 2183b24ab676SJeff Bonwick void 2184b24ab676SJeff Bonwick ztest_vdev_add_remove(ztest_ds_t *zd, uint64_t id) 2185b24ab676SJeff Bonwick { 2186b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2187b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 21881195e687SMark J Musante uint64_t leaves; 2189b24ab676SJeff Bonwick uint64_t guid; 2190b24ab676SJeff Bonwick nvlist_t *nvroot; 2191b24ab676SJeff Bonwick int error; 2192b24ab676SJeff Bonwick 2193b24ab676SJeff Bonwick VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 21941195e687SMark J Musante leaves = MAX(zs->zs_mirrors + zs->zs_splits, 1) * zopt_raidz; 2195b24ab676SJeff Bonwick 2196b24ab676SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2197b24ab676SJeff Bonwick 2198b24ab676SJeff Bonwick ztest_shared->zs_vdev_next_leaf = find_vdev_hole(spa) * leaves; 2199b24ab676SJeff Bonwick 2200b24ab676SJeff Bonwick /* 2201b24ab676SJeff Bonwick * If we have slogs then remove them 1/4 of the time. 2202b24ab676SJeff Bonwick */ 220388ecc943SGeorge Wilson if (spa_has_slogs(spa) && ztest_random(4) == 0) { 220488ecc943SGeorge Wilson /* 220588ecc943SGeorge Wilson * Grab the guid from the head of the log class rotor. 220688ecc943SGeorge Wilson */ 2207b24ab676SJeff Bonwick guid = spa_log_class(spa)->mc_rotor->mg_vd->vdev_guid; 22088654d025Sperrin 220988ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 2210fa9e4066Sahrens 221188ecc943SGeorge Wilson /* 221288ecc943SGeorge Wilson * We have to grab the zs_name_lock as writer to 221388ecc943SGeorge Wilson * prevent a race between removing a slog (dmu_objset_find) 221488ecc943SGeorge Wilson * and destroying a dataset. Removing the slog will 221588ecc943SGeorge Wilson * grab a reference on the dataset which may cause 221688ecc943SGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 221788ecc943SGeorge Wilson * leaving the dataset in an inconsistent state. 221888ecc943SGeorge Wilson */ 2219b24ab676SJeff Bonwick VERIFY(rw_wrlock(&ztest_shared->zs_name_lock) == 0); 222088ecc943SGeorge Wilson error = spa_vdev_remove(spa, guid, B_FALSE); 2221b24ab676SJeff Bonwick VERIFY(rw_unlock(&ztest_shared->zs_name_lock) == 0); 2222fa9e4066Sahrens 222388ecc943SGeorge Wilson if (error && error != EEXIST) 222488ecc943SGeorge Wilson fatal(0, "spa_vdev_remove() = %d", error); 222588ecc943SGeorge Wilson } else { 222688ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 222788ecc943SGeorge Wilson 222888ecc943SGeorge Wilson /* 222988ecc943SGeorge Wilson * Make 1/4 of the devices be log devices. 223088ecc943SGeorge Wilson */ 223188ecc943SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 22321195e687SMark J Musante ztest_random(4) == 0, zopt_raidz, zs->zs_mirrors, 1); 223388ecc943SGeorge Wilson 223488ecc943SGeorge Wilson error = spa_vdev_add(spa, nvroot); 223588ecc943SGeorge Wilson nvlist_free(nvroot); 223688ecc943SGeorge Wilson 223788ecc943SGeorge Wilson if (error == ENOSPC) 223888ecc943SGeorge Wilson ztest_record_enospc("spa_vdev_add"); 223988ecc943SGeorge Wilson else if (error != 0) 224088ecc943SGeorge Wilson fatal(0, "spa_vdev_add() = %d", error); 224188ecc943SGeorge Wilson } 224288ecc943SGeorge Wilson 2243b24ab676SJeff Bonwick VERIFY(mutex_unlock(&ztest_shared->zs_vdev_lock) == 0); 2244e14bb325SJeff Bonwick } 2245fa9e4066Sahrens 2246e14bb325SJeff Bonwick /* 2247e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 2248e14bb325SJeff Bonwick */ 2249b24ab676SJeff Bonwick /* ARGSUSED */ 2250e14bb325SJeff Bonwick void 2251b24ab676SJeff Bonwick ztest_vdev_aux_add_remove(ztest_ds_t *zd, uint64_t id) 2252e14bb325SJeff Bonwick { 2253b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2254b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 225531157203SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2256e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 2257e14bb325SJeff Bonwick char *aux; 2258e14bb325SJeff Bonwick uint64_t guid = 0; 2259e14bb325SJeff Bonwick int error; 2260e14bb325SJeff Bonwick 226131157203SJeff Bonwick if (ztest_random(2) == 0) { 2262e14bb325SJeff Bonwick sav = &spa->spa_spares; 2263e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 2264e14bb325SJeff Bonwick } else { 2265e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 2266e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 2267e14bb325SJeff Bonwick } 2268e14bb325SJeff Bonwick 2269b24ab676SJeff Bonwick VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 2270e14bb325SJeff Bonwick 2271e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2272e14bb325SJeff Bonwick 2273e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 2274e14bb325SJeff Bonwick /* 2275e14bb325SJeff Bonwick * Pick a random device to remove. 2276e14bb325SJeff Bonwick */ 2277e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 2278e14bb325SJeff Bonwick } else { 2279e14bb325SJeff Bonwick /* 2280e14bb325SJeff Bonwick * Find an unused device we can add. 2281e14bb325SJeff Bonwick */ 2282b24ab676SJeff Bonwick zs->zs_vdev_aux = 0; 2283e14bb325SJeff Bonwick for (;;) { 2284e14bb325SJeff Bonwick char path[MAXPATHLEN]; 2285e14bb325SJeff Bonwick int c; 2286e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, zopt_dir, 2287b24ab676SJeff Bonwick zopt_pool, aux, zs->zs_vdev_aux); 2288e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 2289e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 2290e14bb325SJeff Bonwick path) == 0) 2291e14bb325SJeff Bonwick break; 229231157203SJeff Bonwick if (c == sav->sav_count && 229331157203SJeff Bonwick vdev_lookup_by_path(rvd, path) == NULL) 2294e14bb325SJeff Bonwick break; 2295b24ab676SJeff Bonwick zs->zs_vdev_aux++; 2296e14bb325SJeff Bonwick } 2297e14bb325SJeff Bonwick } 2298e14bb325SJeff Bonwick 2299e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2300e14bb325SJeff Bonwick 2301e14bb325SJeff Bonwick if (guid == 0) { 2302e14bb325SJeff Bonwick /* 2303e14bb325SJeff Bonwick * Add a new device. 2304e14bb325SJeff Bonwick */ 230531157203SJeff Bonwick nvlist_t *nvroot = make_vdev_root(NULL, aux, 230631157203SJeff Bonwick (zopt_vdev_size * 5) / 4, 0, 0, 0, 0, 1); 2307e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 2308e14bb325SJeff Bonwick if (error != 0) 2309e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 2310e14bb325SJeff Bonwick nvlist_free(nvroot); 2311e14bb325SJeff Bonwick } else { 2312e14bb325SJeff Bonwick /* 2313e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 2314e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 2315e14bb325SJeff Bonwick * of devices that have pending state changes. 2316e14bb325SJeff Bonwick */ 2317e14bb325SJeff Bonwick if (ztest_random(2) == 0) 2318573ca77eSGeorge Wilson (void) vdev_online(spa, guid, 0, NULL); 2319e14bb325SJeff Bonwick 2320e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 2321e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 2322e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 2323e14bb325SJeff Bonwick } 2324e14bb325SJeff Bonwick 2325b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2326fa9e4066Sahrens } 2327fa9e4066Sahrens 23281195e687SMark J Musante /* 23291195e687SMark J Musante * split a pool if it has mirror tlvdevs 23301195e687SMark J Musante */ 23311195e687SMark J Musante /* ARGSUSED */ 23321195e687SMark J Musante void 23331195e687SMark J Musante ztest_split_pool(ztest_ds_t *zd, uint64_t id) 23341195e687SMark J Musante { 23351195e687SMark J Musante ztest_shared_t *zs = ztest_shared; 23361195e687SMark J Musante spa_t *spa = zs->zs_spa; 23371195e687SMark J Musante vdev_t *rvd = spa->spa_root_vdev; 23381195e687SMark J Musante nvlist_t *tree, **child, *config, *split, **schild; 23391195e687SMark J Musante uint_t c, children, schildren = 0, lastlogid = 0; 23401195e687SMark J Musante int error = 0; 23411195e687SMark J Musante 23421195e687SMark J Musante VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 23431195e687SMark J Musante 23441195e687SMark J Musante /* ensure we have a useable config; mirrors of raidz aren't supported */ 23451195e687SMark J Musante if (zs->zs_mirrors < 3 || zopt_raidz > 1) { 23461195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 23471195e687SMark J Musante return; 23481195e687SMark J Musante } 23491195e687SMark J Musante 23501195e687SMark J Musante /* clean up the old pool, if any */ 23511195e687SMark J Musante (void) spa_destroy("splitp"); 23521195e687SMark J Musante 23531195e687SMark J Musante spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 23541195e687SMark J Musante 23551195e687SMark J Musante /* generate a config from the existing config */ 235698295d61SMark J Musante mutex_enter(&spa->spa_props_lock); 23571195e687SMark J Musante VERIFY(nvlist_lookup_nvlist(spa->spa_config, ZPOOL_CONFIG_VDEV_TREE, 23581195e687SMark J Musante &tree) == 0); 235998295d61SMark J Musante mutex_exit(&spa->spa_props_lock); 236098295d61SMark J Musante 23611195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, 23621195e687SMark J Musante &children) == 0); 23631195e687SMark J Musante 23641195e687SMark J Musante schild = malloc(rvd->vdev_children * sizeof (nvlist_t *)); 23651195e687SMark J Musante for (c = 0; c < children; c++) { 23661195e687SMark J Musante vdev_t *tvd = rvd->vdev_child[c]; 23671195e687SMark J Musante nvlist_t **mchild; 23681195e687SMark J Musante uint_t mchildren; 23691195e687SMark J Musante 23701195e687SMark J Musante if (tvd->vdev_islog || tvd->vdev_ops == &vdev_hole_ops) { 23711195e687SMark J Musante VERIFY(nvlist_alloc(&schild[schildren], NV_UNIQUE_NAME, 23721195e687SMark J Musante 0) == 0); 23731195e687SMark J Musante VERIFY(nvlist_add_string(schild[schildren], 23741195e687SMark J Musante ZPOOL_CONFIG_TYPE, VDEV_TYPE_HOLE) == 0); 23751195e687SMark J Musante VERIFY(nvlist_add_uint64(schild[schildren], 23761195e687SMark J Musante ZPOOL_CONFIG_IS_HOLE, 1) == 0); 23771195e687SMark J Musante if (lastlogid == 0) 23781195e687SMark J Musante lastlogid = schildren; 23791195e687SMark J Musante ++schildren; 23801195e687SMark J Musante continue; 23811195e687SMark J Musante } 23821195e687SMark J Musante lastlogid = 0; 23831195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(child[c], 23841195e687SMark J Musante ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); 23851195e687SMark J Musante VERIFY(nvlist_dup(mchild[0], &schild[schildren++], 0) == 0); 23861195e687SMark J Musante } 23871195e687SMark J Musante 23881195e687SMark J Musante /* OK, create a config that can be used to split */ 23891195e687SMark J Musante VERIFY(nvlist_alloc(&split, NV_UNIQUE_NAME, 0) == 0); 23901195e687SMark J Musante VERIFY(nvlist_add_string(split, ZPOOL_CONFIG_TYPE, 23911195e687SMark J Musante VDEV_TYPE_ROOT) == 0); 23921195e687SMark J Musante VERIFY(nvlist_add_nvlist_array(split, ZPOOL_CONFIG_CHILDREN, schild, 23931195e687SMark J Musante lastlogid != 0 ? lastlogid : schildren) == 0); 23941195e687SMark J Musante 23951195e687SMark J Musante VERIFY(nvlist_alloc(&config, NV_UNIQUE_NAME, 0) == 0); 23961195e687SMark J Musante VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, split) == 0); 23971195e687SMark J Musante 23981195e687SMark J Musante for (c = 0; c < schildren; c++) 23991195e687SMark J Musante nvlist_free(schild[c]); 24001195e687SMark J Musante free(schild); 24011195e687SMark J Musante nvlist_free(split); 24021195e687SMark J Musante 24031195e687SMark J Musante spa_config_exit(spa, SCL_VDEV, FTAG); 24041195e687SMark J Musante 24051195e687SMark J Musante (void) rw_wrlock(&zs->zs_name_lock); 24061195e687SMark J Musante error = spa_vdev_split_mirror(spa, "splitp", config, NULL, B_FALSE); 24071195e687SMark J Musante (void) rw_unlock(&zs->zs_name_lock); 24081195e687SMark J Musante 24091195e687SMark J Musante nvlist_free(config); 24101195e687SMark J Musante 24111195e687SMark J Musante if (error == 0) { 24121195e687SMark J Musante (void) printf("successful split - results:\n"); 24131195e687SMark J Musante mutex_enter(&spa_namespace_lock); 24141195e687SMark J Musante show_pool_stats(spa); 24151195e687SMark J Musante show_pool_stats(spa_lookup("splitp")); 24161195e687SMark J Musante mutex_exit(&spa_namespace_lock); 24171195e687SMark J Musante ++zs->zs_splits; 24181195e687SMark J Musante --zs->zs_mirrors; 24191195e687SMark J Musante } 24201195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 24211195e687SMark J Musante 24221195e687SMark J Musante } 24231195e687SMark J Musante 2424fa9e4066Sahrens /* 2425fa9e4066Sahrens * Verify that we can attach and detach devices. 2426fa9e4066Sahrens */ 2427b24ab676SJeff Bonwick /* ARGSUSED */ 2428fa9e4066Sahrens void 2429b24ab676SJeff Bonwick ztest_vdev_attach_detach(ztest_ds_t *zd, uint64_t id) 2430fa9e4066Sahrens { 2431b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2432b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 243331157203SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_spares; 2434fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 2435ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 2436e14bb325SJeff Bonwick nvlist_t *root; 24371195e687SMark J Musante uint64_t leaves; 2438fa9e4066Sahrens uint64_t leaf, top; 2439ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 24408ad4d6ddSJeff Bonwick uint64_t oldguid, pguid; 2441ea8dc4b6Seschrock size_t oldsize, newsize; 2442ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 2443fa9e4066Sahrens int replacing; 24449af0a4dfSJeff Bonwick int oldvd_has_siblings = B_FALSE; 244531157203SJeff Bonwick int newvd_is_spare = B_FALSE; 244631157203SJeff Bonwick int oldvd_is_log; 2447fa9e4066Sahrens int error, expected_error; 2448fa9e4066Sahrens 2449b24ab676SJeff Bonwick VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 24501195e687SMark J Musante leaves = MAX(zs->zs_mirrors, 1) * zopt_raidz; 2451fa9e4066Sahrens 2452e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2453fa9e4066Sahrens 2454fa9e4066Sahrens /* 2455fa9e4066Sahrens * Decide whether to do an attach or a replace. 2456fa9e4066Sahrens */ 2457fa9e4066Sahrens replacing = ztest_random(2); 2458fa9e4066Sahrens 2459fa9e4066Sahrens /* 2460fa9e4066Sahrens * Pick a random top-level vdev. 2461fa9e4066Sahrens */ 2462b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2463fa9e4066Sahrens 2464fa9e4066Sahrens /* 2465fa9e4066Sahrens * Pick a random leaf within it. 2466fa9e4066Sahrens */ 2467d41c4376SMark J Musante leaf = ztest_random(leaves); 2468fa9e4066Sahrens 2469fa9e4066Sahrens /* 247031157203SJeff Bonwick * Locate this vdev. 2471fa9e4066Sahrens */ 247231157203SJeff Bonwick oldvd = rvd->vdev_child[top]; 24731195e687SMark J Musante if (zs->zs_mirrors >= 1) { 24748ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_mirror_ops); 24751195e687SMark J Musante ASSERT(oldvd->vdev_children >= zs->zs_mirrors); 247631157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf / zopt_raidz]; 24778ad4d6ddSJeff Bonwick } 24788ad4d6ddSJeff Bonwick if (zopt_raidz > 1) { 24798ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_raidz_ops); 24808ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children == zopt_raidz); 248131157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf % zopt_raidz]; 24828ad4d6ddSJeff Bonwick } 2483fa9e4066Sahrens 2484fa9e4066Sahrens /* 248531157203SJeff Bonwick * If we're already doing an attach or replace, oldvd may be a 248631157203SJeff Bonwick * mirror vdev -- in which case, pick a random child. 2487fa9e4066Sahrens */ 248831157203SJeff Bonwick while (oldvd->vdev_children != 0) { 24899af0a4dfSJeff Bonwick oldvd_has_siblings = B_TRUE; 24908ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= 2); 24918ad4d6ddSJeff Bonwick oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)]; 249231157203SJeff Bonwick } 2493fa9e4066Sahrens 249431157203SJeff Bonwick oldguid = oldvd->vdev_guid; 2495573ca77eSGeorge Wilson oldsize = vdev_get_min_asize(oldvd); 249631157203SJeff Bonwick oldvd_is_log = oldvd->vdev_top->vdev_islog; 249731157203SJeff Bonwick (void) strcpy(oldpath, oldvd->vdev_path); 2498ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 24998ad4d6ddSJeff Bonwick pguid = pvd->vdev_guid; 2500fa9e4066Sahrens 25019af0a4dfSJeff Bonwick /* 25029af0a4dfSJeff Bonwick * If oldvd has siblings, then half of the time, detach it. 25039af0a4dfSJeff Bonwick */ 25049af0a4dfSJeff Bonwick if (oldvd_has_siblings && ztest_random(2) == 0) { 25059af0a4dfSJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 25068ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, oldguid, pguid, B_FALSE); 25078ad4d6ddSJeff Bonwick if (error != 0 && error != ENODEV && error != EBUSY && 25088ad4d6ddSJeff Bonwick error != ENOTSUP) 25098ad4d6ddSJeff Bonwick fatal(0, "detach (%s) returned %d", oldpath, error); 2510b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 25119af0a4dfSJeff Bonwick return; 25129af0a4dfSJeff Bonwick } 25139af0a4dfSJeff Bonwick 2514fa9e4066Sahrens /* 251531157203SJeff Bonwick * For the new vdev, choose with equal probability between the two 251631157203SJeff Bonwick * standard paths (ending in either 'a' or 'b') or a random hot spare. 2517fa9e4066Sahrens */ 251831157203SJeff Bonwick if (sav->sav_count != 0 && ztest_random(3) == 0) { 251931157203SJeff Bonwick newvd = sav->sav_vdevs[ztest_random(sav->sav_count)]; 252031157203SJeff Bonwick newvd_is_spare = B_TRUE; 252131157203SJeff Bonwick (void) strcpy(newpath, newvd->vdev_path); 252231157203SJeff Bonwick } else { 252331157203SJeff Bonwick (void) snprintf(newpath, sizeof (newpath), ztest_dev_template, 252431157203SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 252531157203SJeff Bonwick if (ztest_random(2) == 0) 252631157203SJeff Bonwick newpath[strlen(newpath) - 1] = 'b'; 252731157203SJeff Bonwick newvd = vdev_lookup_by_path(rvd, newpath); 252831157203SJeff Bonwick } 252931157203SJeff Bonwick 253031157203SJeff Bonwick if (newvd) { 2531573ca77eSGeorge Wilson newsize = vdev_get_min_asize(newvd); 253231157203SJeff Bonwick } else { 253331157203SJeff Bonwick /* 253431157203SJeff Bonwick * Make newsize a little bigger or smaller than oldsize. 253531157203SJeff Bonwick * If it's smaller, the attach should fail. 253631157203SJeff Bonwick * If it's larger, and we're doing a replace, 253731157203SJeff Bonwick * we should get dynamic LUN growth when we're done. 253831157203SJeff Bonwick */ 253931157203SJeff Bonwick newsize = 10 * oldsize / (9 + ztest_random(3)); 254031157203SJeff Bonwick } 2541fa9e4066Sahrens 2542fa9e4066Sahrens /* 2543fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 2544fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 2545fa9e4066Sahrens * 2546ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 2547fa9e4066Sahrens * 2548ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 2549fa9e4066Sahrens */ 255031157203SJeff Bonwick if (pvd->vdev_ops != &vdev_mirror_ops && 255131157203SJeff Bonwick pvd->vdev_ops != &vdev_root_ops && (!replacing || 255231157203SJeff Bonwick pvd->vdev_ops == &vdev_replacing_ops || 255331157203SJeff Bonwick pvd->vdev_ops == &vdev_spare_ops)) 255431157203SJeff Bonwick expected_error = ENOTSUP; 255531157203SJeff Bonwick else if (newvd_is_spare && (!replacing || oldvd_is_log)) 2556fa9e4066Sahrens expected_error = ENOTSUP; 255731157203SJeff Bonwick else if (newvd == oldvd) 255831157203SJeff Bonwick expected_error = replacing ? 0 : EBUSY; 255931157203SJeff Bonwick else if (vdev_lookup_by_path(rvd, newpath) != NULL) 256031157203SJeff Bonwick expected_error = EBUSY; 2561ea8dc4b6Seschrock else if (newsize < oldsize) 2562fa9e4066Sahrens expected_error = EOVERFLOW; 2563ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 2564ecc2d604Sbonwick expected_error = EDOM; 2565fa9e4066Sahrens else 2566fa9e4066Sahrens expected_error = 0; 2567fa9e4066Sahrens 2568e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2569fa9e4066Sahrens 2570fa9e4066Sahrens /* 2571ea8dc4b6Seschrock * Build the nvlist describing newpath. 2572fa9e4066Sahrens */ 2573e14bb325SJeff Bonwick root = make_vdev_root(newpath, NULL, newvd == NULL ? newsize : 0, 2574e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 2575fa9e4066Sahrens 257631157203SJeff Bonwick error = spa_vdev_attach(spa, oldguid, root, replacing); 2577fa9e4066Sahrens 2578fa9e4066Sahrens nvlist_free(root); 2579fa9e4066Sahrens 2580fa9e4066Sahrens /* 2581fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 2582fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 2583fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 2584fa9e4066Sahrens */ 2585fa9e4066Sahrens if (expected_error == ENOTSUP && 2586fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 2587fa9e4066Sahrens expected_error = error; 2588fa9e4066Sahrens 2589f0aa80d4Sbonwick /* 2590f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 2591f0aa80d4Sbonwick */ 2592088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 2593f0aa80d4Sbonwick expected_error = error; 2594f0aa80d4Sbonwick 2595088f3894Sahrens /* XXX workaround 6690467 */ 2596088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 2597088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 2598088f3894Sahrens "returned %d, expected %d", 2599088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 2600088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 2601fa9e4066Sahrens } 2602fa9e4066Sahrens 2603b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2604fa9e4066Sahrens } 2605fa9e4066Sahrens 2606573ca77eSGeorge Wilson /* 2607573ca77eSGeorge Wilson * Callback function which expands the physical size of the vdev. 2608573ca77eSGeorge Wilson */ 2609573ca77eSGeorge Wilson vdev_t * 2610573ca77eSGeorge Wilson grow_vdev(vdev_t *vd, void *arg) 2611573ca77eSGeorge Wilson { 2612573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2613573ca77eSGeorge Wilson size_t *newsize = arg; 2614573ca77eSGeorge Wilson size_t fsize; 2615573ca77eSGeorge Wilson int fd; 2616573ca77eSGeorge Wilson 2617573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2618573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2619573ca77eSGeorge Wilson 2620573ca77eSGeorge Wilson if ((fd = open(vd->vdev_path, O_RDWR)) == -1) 2621573ca77eSGeorge Wilson return (vd); 2622573ca77eSGeorge Wilson 2623573ca77eSGeorge Wilson fsize = lseek(fd, 0, SEEK_END); 2624573ca77eSGeorge Wilson (void) ftruncate(fd, *newsize); 2625573ca77eSGeorge Wilson 2626573ca77eSGeorge Wilson if (zopt_verbose >= 6) { 2627573ca77eSGeorge Wilson (void) printf("%s grew from %lu to %lu bytes\n", 2628573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)fsize, (ulong_t)*newsize); 2629573ca77eSGeorge Wilson } 2630573ca77eSGeorge Wilson (void) close(fd); 2631573ca77eSGeorge Wilson return (NULL); 2632573ca77eSGeorge Wilson } 2633573ca77eSGeorge Wilson 2634573ca77eSGeorge Wilson /* 2635573ca77eSGeorge Wilson * Callback function which expands a given vdev by calling vdev_online(). 2636573ca77eSGeorge Wilson */ 2637573ca77eSGeorge Wilson /* ARGSUSED */ 2638573ca77eSGeorge Wilson vdev_t * 2639573ca77eSGeorge Wilson online_vdev(vdev_t *vd, void *arg) 2640573ca77eSGeorge Wilson { 2641573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2642573ca77eSGeorge Wilson vdev_t *tvd = vd->vdev_top; 2643573ca77eSGeorge Wilson uint64_t guid = vd->vdev_guid; 26448f18d1faSGeorge Wilson uint64_t generation = spa->spa_config_generation + 1; 2645095bcd66SGeorge Wilson vdev_state_t newstate = VDEV_STATE_UNKNOWN; 2646095bcd66SGeorge Wilson int error; 2647573ca77eSGeorge Wilson 2648573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2649573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2650573ca77eSGeorge Wilson 2651573ca77eSGeorge Wilson /* Calling vdev_online will initialize the new metaslabs */ 2652573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2653095bcd66SGeorge Wilson error = vdev_online(spa, guid, ZFS_ONLINE_EXPAND, &newstate); 2654573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2655573ca77eSGeorge Wilson 2656095bcd66SGeorge Wilson /* 2657095bcd66SGeorge Wilson * If vdev_online returned an error or the underlying vdev_open 2658095bcd66SGeorge Wilson * failed then we abort the expand. The only way to know that 2659095bcd66SGeorge Wilson * vdev_open fails is by checking the returned newstate. 2660095bcd66SGeorge Wilson */ 2661095bcd66SGeorge Wilson if (error || newstate != VDEV_STATE_HEALTHY) { 2662095bcd66SGeorge Wilson if (zopt_verbose >= 5) { 2663095bcd66SGeorge Wilson (void) printf("Unable to expand vdev, state %llu, " 2664095bcd66SGeorge Wilson "error %d\n", (u_longlong_t)newstate, error); 2665095bcd66SGeorge Wilson } 2666095bcd66SGeorge Wilson return (vd); 2667095bcd66SGeorge Wilson } 2668095bcd66SGeorge Wilson ASSERT3U(newstate, ==, VDEV_STATE_HEALTHY); 2669095bcd66SGeorge Wilson 2670573ca77eSGeorge Wilson /* 2671573ca77eSGeorge Wilson * Since we dropped the lock we need to ensure that we're 2672573ca77eSGeorge Wilson * still talking to the original vdev. It's possible this 2673573ca77eSGeorge Wilson * vdev may have been detached/replaced while we were 2674573ca77eSGeorge Wilson * trying to online it. 2675573ca77eSGeorge Wilson */ 26768f18d1faSGeorge Wilson if (generation != spa->spa_config_generation) { 26778f18d1faSGeorge Wilson if (zopt_verbose >= 5) { 26788f18d1faSGeorge Wilson (void) printf("vdev configuration has changed, " 26798f18d1faSGeorge Wilson "guid %llu, state %llu, expected gen %llu, " 2680b24ab676SJeff Bonwick "got gen %llu\n", 2681b24ab676SJeff Bonwick (u_longlong_t)guid, 26828f18d1faSGeorge Wilson (u_longlong_t)tvd->vdev_state, 26838f18d1faSGeorge Wilson (u_longlong_t)generation, 26848f18d1faSGeorge Wilson (u_longlong_t)spa->spa_config_generation); 2685573ca77eSGeorge Wilson } 2686573ca77eSGeorge Wilson return (vd); 2687573ca77eSGeorge Wilson } 2688573ca77eSGeorge Wilson return (NULL); 2689573ca77eSGeorge Wilson } 2690573ca77eSGeorge Wilson 2691573ca77eSGeorge Wilson /* 2692573ca77eSGeorge Wilson * Traverse the vdev tree calling the supplied function. 2693573ca77eSGeorge Wilson * We continue to walk the tree until we either have walked all 2694573ca77eSGeorge Wilson * children or we receive a non-NULL return from the callback. 2695573ca77eSGeorge Wilson * If a NULL callback is passed, then we just return back the first 2696573ca77eSGeorge Wilson * leaf vdev we encounter. 2697573ca77eSGeorge Wilson */ 2698573ca77eSGeorge Wilson vdev_t * 2699573ca77eSGeorge Wilson vdev_walk_tree(vdev_t *vd, vdev_t *(*func)(vdev_t *, void *), void *arg) 2700573ca77eSGeorge Wilson { 2701573ca77eSGeorge Wilson if (vd->vdev_ops->vdev_op_leaf) { 2702573ca77eSGeorge Wilson if (func == NULL) 2703573ca77eSGeorge Wilson return (vd); 2704573ca77eSGeorge Wilson else 2705573ca77eSGeorge Wilson return (func(vd, arg)); 2706573ca77eSGeorge Wilson } 2707573ca77eSGeorge Wilson 2708573ca77eSGeorge Wilson for (uint_t c = 0; c < vd->vdev_children; c++) { 2709573ca77eSGeorge Wilson vdev_t *cvd = vd->vdev_child[c]; 2710573ca77eSGeorge Wilson if ((cvd = vdev_walk_tree(cvd, func, arg)) != NULL) 2711573ca77eSGeorge Wilson return (cvd); 2712573ca77eSGeorge Wilson } 2713573ca77eSGeorge Wilson return (NULL); 2714573ca77eSGeorge Wilson } 2715573ca77eSGeorge Wilson 2716fa9e4066Sahrens /* 2717fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 2718fa9e4066Sahrens */ 2719b24ab676SJeff Bonwick /* ARGSUSED */ 2720fa9e4066Sahrens void 2721b24ab676SJeff Bonwick ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id) 2722fa9e4066Sahrens { 2723b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2724b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 2725b24ab676SJeff Bonwick vdev_t *vd, *tvd; 2726b24ab676SJeff Bonwick metaslab_class_t *mc; 2727b24ab676SJeff Bonwick metaslab_group_t *mg; 2728573ca77eSGeorge Wilson size_t psize, newsize; 2729b24ab676SJeff Bonwick uint64_t top; 2730b24ab676SJeff Bonwick uint64_t old_class_space, new_class_space, old_ms_count, new_ms_count; 2731fa9e4066Sahrens 2732b24ab676SJeff Bonwick VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 2733573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2734573ca77eSGeorge Wilson 2735b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2736573ca77eSGeorge Wilson 2737b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 2738b24ab676SJeff Bonwick mg = tvd->vdev_mg; 2739b24ab676SJeff Bonwick mc = mg->mg_class; 2740b24ab676SJeff Bonwick old_ms_count = tvd->vdev_ms_count; 2741b24ab676SJeff Bonwick old_class_space = metaslab_class_get_space(mc); 2742fa9e4066Sahrens 2743fa9e4066Sahrens /* 2744573ca77eSGeorge Wilson * Determine the size of the first leaf vdev associated with 2745573ca77eSGeorge Wilson * our top-level device. 2746fa9e4066Sahrens */ 2747573ca77eSGeorge Wilson vd = vdev_walk_tree(tvd, NULL, NULL); 2748573ca77eSGeorge Wilson ASSERT3P(vd, !=, NULL); 2749573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2750fa9e4066Sahrens 2751573ca77eSGeorge Wilson psize = vd->vdev_psize; 2752fa9e4066Sahrens 2753573ca77eSGeorge Wilson /* 27548f18d1faSGeorge Wilson * We only try to expand the vdev if it's healthy, less than 4x its 27558f18d1faSGeorge Wilson * original size, and it has a valid psize. 2756573ca77eSGeorge Wilson */ 27578f18d1faSGeorge Wilson if (tvd->vdev_state != VDEV_STATE_HEALTHY || 27588f18d1faSGeorge Wilson psize == 0 || psize >= 4 * zopt_vdev_size) { 2759573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2760b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2761573ca77eSGeorge Wilson return; 2762573ca77eSGeorge Wilson } 2763573ca77eSGeorge Wilson ASSERT(psize > 0); 2764573ca77eSGeorge Wilson newsize = psize + psize / 8; 2765573ca77eSGeorge Wilson ASSERT3U(newsize, >, psize); 2766fa9e4066Sahrens 2767b24ab676SJeff Bonwick if (zopt_verbose >= 6) { 2768b24ab676SJeff Bonwick (void) printf("Expanding LUN %s from %lu to %lu\n", 2769573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)psize, (ulong_t)newsize); 2770573ca77eSGeorge Wilson } 2771573ca77eSGeorge Wilson 2772573ca77eSGeorge Wilson /* 2773573ca77eSGeorge Wilson * Growing the vdev is a two step process: 2774573ca77eSGeorge Wilson * 1). expand the physical size (i.e. relabel) 2775573ca77eSGeorge Wilson * 2). online the vdev to create the new metaslabs 2776573ca77eSGeorge Wilson */ 2777573ca77eSGeorge Wilson if (vdev_walk_tree(tvd, grow_vdev, &newsize) != NULL || 2778573ca77eSGeorge Wilson vdev_walk_tree(tvd, online_vdev, NULL) != NULL || 2779573ca77eSGeorge Wilson tvd->vdev_state != VDEV_STATE_HEALTHY) { 2780573ca77eSGeorge Wilson if (zopt_verbose >= 5) { 2781b24ab676SJeff Bonwick (void) printf("Could not expand LUN because " 2782b24ab676SJeff Bonwick "the vdev configuration changed.\n"); 2783b24ab676SJeff Bonwick } 2784b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2785b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2786b24ab676SJeff Bonwick return; 2787b24ab676SJeff Bonwick } 2788b24ab676SJeff Bonwick 2789b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2790b24ab676SJeff Bonwick 2791b24ab676SJeff Bonwick /* 2792b24ab676SJeff Bonwick * Expanding the LUN will update the config asynchronously, 2793b24ab676SJeff Bonwick * thus we must wait for the async thread to complete any 2794b24ab676SJeff Bonwick * pending tasks before proceeding. 2795b24ab676SJeff Bonwick */ 2796b24ab676SJeff Bonwick for (;;) { 2797b24ab676SJeff Bonwick boolean_t done; 2798b24ab676SJeff Bonwick mutex_enter(&spa->spa_async_lock); 2799b24ab676SJeff Bonwick done = (spa->spa_async_thread == NULL && !spa->spa_async_tasks); 2800b24ab676SJeff Bonwick mutex_exit(&spa->spa_async_lock); 2801b24ab676SJeff Bonwick if (done) 2802b24ab676SJeff Bonwick break; 2803b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 2804b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 2805b24ab676SJeff Bonwick } 2806b24ab676SJeff Bonwick 2807b24ab676SJeff Bonwick spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2808b24ab676SJeff Bonwick 2809b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 2810b24ab676SJeff Bonwick new_ms_count = tvd->vdev_ms_count; 2811b24ab676SJeff Bonwick new_class_space = metaslab_class_get_space(mc); 2812b24ab676SJeff Bonwick 2813b24ab676SJeff Bonwick if (tvd->vdev_mg != mg || mg->mg_class != mc) { 2814b24ab676SJeff Bonwick if (zopt_verbose >= 5) { 2815b24ab676SJeff Bonwick (void) printf("Could not verify LUN expansion due to " 2816b24ab676SJeff Bonwick "intervening vdev offline or remove.\n"); 2817fa9e4066Sahrens } 2818b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2819b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2820573ca77eSGeorge Wilson return; 2821fa9e4066Sahrens } 2822fa9e4066Sahrens 2823573ca77eSGeorge Wilson /* 2824b24ab676SJeff Bonwick * Make sure we were able to grow the vdev. 2825573ca77eSGeorge Wilson */ 2826b24ab676SJeff Bonwick if (new_ms_count <= old_ms_count) 2827b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: ms_count %llu <= %llu\n", 2828b24ab676SJeff Bonwick old_ms_count, new_ms_count); 2829573ca77eSGeorge Wilson 2830573ca77eSGeorge Wilson /* 2831573ca77eSGeorge Wilson * Make sure we were able to grow the pool. 2832573ca77eSGeorge Wilson */ 2833b24ab676SJeff Bonwick if (new_class_space <= old_class_space) 2834b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: class_space %llu <= %llu\n", 2835b24ab676SJeff Bonwick old_class_space, new_class_space); 2836b24ab676SJeff Bonwick 2837b24ab676SJeff Bonwick if (zopt_verbose >= 5) { 2838573ca77eSGeorge Wilson char oldnumbuf[6], newnumbuf[6]; 2839573ca77eSGeorge Wilson 2840b24ab676SJeff Bonwick nicenum(old_class_space, oldnumbuf); 2841b24ab676SJeff Bonwick nicenum(new_class_space, newnumbuf); 2842573ca77eSGeorge Wilson (void) printf("%s grew from %s to %s\n", 2843573ca77eSGeorge Wilson spa->spa_name, oldnumbuf, newnumbuf); 2844573ca77eSGeorge Wilson } 2845b24ab676SJeff Bonwick 2846573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2847b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2848fa9e4066Sahrens } 2849fa9e4066Sahrens 2850b24ab676SJeff Bonwick /* 2851b24ab676SJeff Bonwick * Verify that dmu_objset_{create,destroy,open,close} work as expected. 2852b24ab676SJeff Bonwick */ 2853fa9e4066Sahrens /* ARGSUSED */ 2854fa9e4066Sahrens static void 2855b24ab676SJeff Bonwick ztest_objset_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 2856fa9e4066Sahrens { 2857fa9e4066Sahrens /* 2858b24ab676SJeff Bonwick * Create the objects common to all ztest datasets. 2859fa9e4066Sahrens */ 2860b24ab676SJeff Bonwick VERIFY(zap_create_claim(os, ZTEST_DIROBJ, 2861fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 2862fa9e4066Sahrens } 2863fa9e4066Sahrens 286455da60b9SMark J Musante static int 286555da60b9SMark J Musante ztest_dataset_create(char *dsname) 286655da60b9SMark J Musante { 286755da60b9SMark J Musante uint64_t zilset = ztest_random(100); 286855da60b9SMark J Musante int err = dmu_objset_create(dsname, DMU_OST_OTHER, 0, 286955da60b9SMark J Musante ztest_objset_create_cb, NULL); 287055da60b9SMark J Musante 287155da60b9SMark J Musante if (err || zilset < 80) 287255da60b9SMark J Musante return (err); 287355da60b9SMark J Musante 287455da60b9SMark J Musante (void) printf("Setting dataset %s to sync always\n", dsname); 287555da60b9SMark J Musante return (ztest_dsl_prop_set_uint64(dsname, ZFS_PROP_SYNC, 287655da60b9SMark J Musante ZFS_SYNC_ALWAYS, B_FALSE)); 287755da60b9SMark J Musante } 287855da60b9SMark J Musante 2879b24ab676SJeff Bonwick /* ARGSUSED */ 28801d452cf5Sahrens static int 2881fd136879SMatthew Ahrens ztest_objset_destroy_cb(const char *name, void *arg) 2882fa9e4066Sahrens { 2883fa9e4066Sahrens objset_t *os; 2884b24ab676SJeff Bonwick dmu_object_info_t doi; 2885fa9e4066Sahrens int error; 2886fa9e4066Sahrens 2887fa9e4066Sahrens /* 2888fa9e4066Sahrens * Verify that the dataset contains a directory object. 2889fa9e4066Sahrens */ 2890b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os)); 2891b24ab676SJeff Bonwick error = dmu_object_info(os, ZTEST_DIROBJ, &doi); 2892e1930233Sbonwick if (error != ENOENT) { 2893e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 2894e1930233Sbonwick ASSERT3U(error, ==, 0); 2895b24ab676SJeff Bonwick ASSERT3U(doi.doi_type, ==, DMU_OT_ZAP_OTHER); 2896b24ab676SJeff Bonwick ASSERT3S(doi.doi_physical_blocks_512, >=, 0); 2897e1930233Sbonwick } 2898503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 2899fa9e4066Sahrens 2900fa9e4066Sahrens /* 2901fa9e4066Sahrens * Destroy the dataset. 2902fa9e4066Sahrens */ 2903b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_objset_destroy(name, B_FALSE)); 29041d452cf5Sahrens return (0); 2905fa9e4066Sahrens } 2906fa9e4066Sahrens 2907b24ab676SJeff Bonwick static boolean_t 2908b24ab676SJeff Bonwick ztest_snapshot_create(char *osname, uint64_t id) 2909fa9e4066Sahrens { 2910b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 2911b24ab676SJeff Bonwick int error; 2912b24ab676SJeff Bonwick 2913b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 2914b24ab676SJeff Bonwick (u_longlong_t)id); 2915b24ab676SJeff Bonwick 2916b24ab676SJeff Bonwick error = dmu_objset_snapshot(osname, strchr(snapname, '@') + 1, 291799d5e173STim Haley NULL, NULL, B_FALSE, B_FALSE, -1); 2918b24ab676SJeff Bonwick if (error == ENOSPC) { 2919b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 2920b24ab676SJeff Bonwick return (B_FALSE); 2921b24ab676SJeff Bonwick } 2922b24ab676SJeff Bonwick if (error != 0 && error != EEXIST) 2923b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_create(%s) = %d", snapname, error); 2924b24ab676SJeff Bonwick return (B_TRUE); 2925b24ab676SJeff Bonwick } 2926b24ab676SJeff Bonwick 2927b24ab676SJeff Bonwick static boolean_t 2928b24ab676SJeff Bonwick ztest_snapshot_destroy(char *osname, uint64_t id) 2929b24ab676SJeff Bonwick { 2930b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 2931b24ab676SJeff Bonwick int error; 2932b24ab676SJeff Bonwick 2933b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 2934b24ab676SJeff Bonwick (u_longlong_t)id); 2935b24ab676SJeff Bonwick 2936b24ab676SJeff Bonwick error = dmu_objset_destroy(snapname, B_FALSE); 2937b24ab676SJeff Bonwick if (error != 0 && error != ENOENT) 2938b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_destroy(%s) = %d", snapname, error); 2939b24ab676SJeff Bonwick return (B_TRUE); 2940fa9e4066Sahrens } 2941fa9e4066Sahrens 2942b24ab676SJeff Bonwick /* ARGSUSED */ 2943fa9e4066Sahrens void 2944b24ab676SJeff Bonwick ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64_t id) 2945fa9e4066Sahrens { 2946b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2947b24ab676SJeff Bonwick ztest_ds_t zdtmp; 2948b24ab676SJeff Bonwick int iters; 2949fa9e4066Sahrens int error; 2950745cd3c5Smaybee objset_t *os, *os2; 2951b24ab676SJeff Bonwick char name[MAXNAMELEN]; 2952fa9e4066Sahrens zilog_t *zilog; 2953fa9e4066Sahrens 2954b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 2955b24ab676SJeff Bonwick 2956b24ab676SJeff Bonwick (void) snprintf(name, MAXNAMELEN, "%s/temp_%llu", 2957b24ab676SJeff Bonwick zs->zs_pool, (u_longlong_t)id); 2958fa9e4066Sahrens 2959fa9e4066Sahrens /* 2960fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 2961fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 2962b24ab676SJeff Bonwick * (invoked from ztest_objset_destroy_cb()) should just throw it away. 2963fa9e4066Sahrens */ 2964fa9e4066Sahrens if (ztest_random(2) == 0 && 2965503ad85cSMatthew Ahrens dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os) == 0) { 2966b24ab676SJeff Bonwick ztest_zd_init(&zdtmp, os); 2967b24ab676SJeff Bonwick zil_replay(os, &zdtmp, ztest_replay_vector); 2968b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 2969503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 2970fa9e4066Sahrens } 2971fa9e4066Sahrens 2972fa9e4066Sahrens /* 2973fa9e4066Sahrens * There may be an old instance of the dataset we're about to 2974fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 2975fa9e4066Sahrens * and all of its snapshots. 2976fa9e4066Sahrens */ 2977b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 29780b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 2979fa9e4066Sahrens 2980fa9e4066Sahrens /* 2981fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 2982fa9e4066Sahrens */ 2983b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, dmu_objset_hold(name, FTAG, &os)); 2984fa9e4066Sahrens 2985fa9e4066Sahrens /* 2986fa9e4066Sahrens * Verify that we can create a new dataset. 2987fa9e4066Sahrens */ 298855da60b9SMark J Musante error = ztest_dataset_create(name); 2989fa9e4066Sahrens if (error) { 2990fa9e4066Sahrens if (error == ENOSPC) { 2991b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 2992b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 2993fa9e4066Sahrens return; 2994fa9e4066Sahrens } 2995fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 2996fa9e4066Sahrens } 2997fa9e4066Sahrens 2998b24ab676SJeff Bonwick VERIFY3U(0, ==, 2999b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os)); 3000b24ab676SJeff Bonwick 3001b24ab676SJeff Bonwick ztest_zd_init(&zdtmp, os); 3002fa9e4066Sahrens 3003fa9e4066Sahrens /* 3004fa9e4066Sahrens * Open the intent log for it. 3005fa9e4066Sahrens */ 3006b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 3007fa9e4066Sahrens 3008fa9e4066Sahrens /* 3009b24ab676SJeff Bonwick * Put some objects in there, do a little I/O to them, 3010b24ab676SJeff Bonwick * and randomly take a couple of snapshots along the way. 3011fa9e4066Sahrens */ 3012b24ab676SJeff Bonwick iters = ztest_random(5); 3013b24ab676SJeff Bonwick for (int i = 0; i < iters; i++) { 3014b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(&zdtmp, id); 3015b24ab676SJeff Bonwick if (ztest_random(iters) == 0) 3016b24ab676SJeff Bonwick (void) ztest_snapshot_create(name, i); 3017fa9e4066Sahrens } 3018fa9e4066Sahrens 3019fa9e4066Sahrens /* 3020fa9e4066Sahrens * Verify that we cannot create an existing dataset. 3021fa9e4066Sahrens */ 3022b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, 3023b24ab676SJeff Bonwick dmu_objset_create(name, DMU_OST_OTHER, 0, NULL, NULL)); 3024fa9e4066Sahrens 3025fa9e4066Sahrens /* 3026503ad85cSMatthew Ahrens * Verify that we can hold an objset that is also owned. 3027745cd3c5Smaybee */ 3028b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os2)); 3029503ad85cSMatthew Ahrens dmu_objset_rele(os2, FTAG); 3030503ad85cSMatthew Ahrens 3031503ad85cSMatthew Ahrens /* 3032b24ab676SJeff Bonwick * Verify that we cannot own an objset that is already owned. 3033503ad85cSMatthew Ahrens */ 3034b24ab676SJeff Bonwick VERIFY3U(EBUSY, ==, 3035b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os2)); 3036fa9e4066Sahrens 3037fa9e4066Sahrens zil_close(zilog); 3038503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3039b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3040fa9e4066Sahrens 3041b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 3042fa9e4066Sahrens } 3043fa9e4066Sahrens 3044fa9e4066Sahrens /* 3045fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 3046fa9e4066Sahrens */ 3047fa9e4066Sahrens void 3048b24ab676SJeff Bonwick ztest_dmu_snapshot_create_destroy(ztest_ds_t *zd, uint64_t id) 3049fa9e4066Sahrens { 3050b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 3051fa9e4066Sahrens 3052b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 3053b24ab676SJeff Bonwick (void) ztest_snapshot_destroy(zd->zd_name, id); 3054b24ab676SJeff Bonwick (void) ztest_snapshot_create(zd->zd_name, id); 3055b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 30564f5064b7SMark J Musante } 30574f5064b7SMark J Musante 3058718d718aSGeorge Wilson /* 3059718d718aSGeorge Wilson * Cleanup non-standard snapshots and clones. 3060718d718aSGeorge Wilson */ 3061718d718aSGeorge Wilson void 3062b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(char *osname, uint64_t id) 3063718d718aSGeorge Wilson { 3064b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3065b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3066b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3067b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3068b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3069718d718aSGeorge Wilson int error; 3070718d718aSGeorge Wilson 3071b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3072b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3073b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3074b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3075b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 3076718d718aSGeorge Wilson 3077842727c2SChris Kirby error = dmu_objset_destroy(clone2name, B_FALSE); 3078718d718aSGeorge Wilson if (error && error != ENOENT) 3079718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone2name, error); 3080842727c2SChris Kirby error = dmu_objset_destroy(snap3name, B_FALSE); 3081718d718aSGeorge Wilson if (error && error != ENOENT) 3082718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap3name, error); 3083842727c2SChris Kirby error = dmu_objset_destroy(snap2name, B_FALSE); 3084718d718aSGeorge Wilson if (error && error != ENOENT) 3085718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error); 3086842727c2SChris Kirby error = dmu_objset_destroy(clone1name, B_FALSE); 3087718d718aSGeorge Wilson if (error && error != ENOENT) 3088718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone1name, error); 3089842727c2SChris Kirby error = dmu_objset_destroy(snap1name, B_FALSE); 3090718d718aSGeorge Wilson if (error && error != ENOENT) 3091718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap1name, error); 3092718d718aSGeorge Wilson } 3093718d718aSGeorge Wilson 30944f5064b7SMark J Musante /* 30954f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 30964f5064b7SMark J Musante */ 30974f5064b7SMark J Musante void 3098b24ab676SJeff Bonwick ztest_dsl_dataset_promote_busy(ztest_ds_t *zd, uint64_t id) 30994f5064b7SMark J Musante { 3100b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 31014f5064b7SMark J Musante objset_t *clone; 31024f5064b7SMark J Musante dsl_dataset_t *ds; 3103b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3104b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3105b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3106b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3107b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3108b24ab676SJeff Bonwick char *osname = zd->zd_name; 3109b24ab676SJeff Bonwick int error; 31104f5064b7SMark J Musante 3111b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 31124f5064b7SMark J Musante 3113b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 3114718d718aSGeorge Wilson 3115b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3116b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3117b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3118b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3119b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 312005312e2cSMark J Musante 3121ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(osname, strchr(snap1name, '@')+1, 312299d5e173STim Haley NULL, NULL, B_FALSE, B_FALSE, -1); 3123b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3124b2d22b66SGeorge Wilson if (error == ENOSPC) { 3125b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3126b2d22b66SGeorge Wilson goto out; 3127b2d22b66SGeorge Wilson } 3128b2d22b66SGeorge Wilson fatal(0, "dmu_take_snapshot(%s) = %d", snap1name, error); 3129b2d22b66SGeorge Wilson } 31304f5064b7SMark J Musante 3131503ad85cSMatthew Ahrens error = dmu_objset_hold(snap1name, FTAG, &clone); 31324f5064b7SMark J Musante if (error) 31334f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap1name, error); 31344f5064b7SMark J Musante 3135ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone1name, dmu_objset_ds(clone), 0); 3136503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3137b2d22b66SGeorge Wilson if (error) { 3138b2d22b66SGeorge Wilson if (error == ENOSPC) { 3139b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3140b2d22b66SGeorge Wilson goto out; 3141b2d22b66SGeorge Wilson } 3142b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 3143b2d22b66SGeorge Wilson } 31444f5064b7SMark J Musante 31454f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap2name, '@')+1, 314699d5e173STim Haley NULL, NULL, B_FALSE, B_FALSE, -1); 3147b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3148b2d22b66SGeorge Wilson if (error == ENOSPC) { 3149b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3150b2d22b66SGeorge Wilson goto out; 3151b2d22b66SGeorge Wilson } 3152b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap2name, error); 3153b2d22b66SGeorge Wilson } 31544f5064b7SMark J Musante 31554f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap3name, '@')+1, 315699d5e173STim Haley NULL, NULL, B_FALSE, B_FALSE, -1); 3157b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3158b2d22b66SGeorge Wilson if (error == ENOSPC) { 3159b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3160b2d22b66SGeorge Wilson goto out; 3161b2d22b66SGeorge Wilson } 3162b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 3163b2d22b66SGeorge Wilson } 31644f5064b7SMark J Musante 3165503ad85cSMatthew Ahrens error = dmu_objset_hold(snap3name, FTAG, &clone); 31664f5064b7SMark J Musante if (error) 31674f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 31684f5064b7SMark J Musante 3169ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone2name, dmu_objset_ds(clone), 0); 3170503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3171b2d22b66SGeorge Wilson if (error) { 3172b2d22b66SGeorge Wilson if (error == ENOSPC) { 3173b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3174b2d22b66SGeorge Wilson goto out; 3175b2d22b66SGeorge Wilson } 3176b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 3177b2d22b66SGeorge Wilson } 31784f5064b7SMark J Musante 3179cde58dbcSMatthew Ahrens error = dsl_dataset_own(snap2name, B_FALSE, FTAG, &ds); 31804f5064b7SMark J Musante if (error) 3181cde58dbcSMatthew Ahrens fatal(0, "dsl_dataset_own(%s) = %d", snap2name, error); 3182681d9761SEric Taylor error = dsl_dataset_promote(clone2name, NULL); 31834f5064b7SMark J Musante if (error != EBUSY) 31844f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 31854f5064b7SMark J Musante error); 31864f5064b7SMark J Musante dsl_dataset_disown(ds, FTAG); 31874f5064b7SMark J Musante 3188b2d22b66SGeorge Wilson out: 3189b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 31904f5064b7SMark J Musante 3191b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 3192fa9e4066Sahrens } 3193fa9e4066Sahrens 3194fa9e4066Sahrens /* 3195fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 3196fa9e4066Sahrens */ 3197fa9e4066Sahrens void 3198b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(ztest_ds_t *zd, uint64_t id) 3199fa9e4066Sahrens { 3200b24ab676SJeff Bonwick ztest_od_t od[4]; 3201b24ab676SJeff Bonwick int batchsize = sizeof (od) / sizeof (od[0]); 3202fa9e4066Sahrens 3203b24ab676SJeff Bonwick for (int b = 0; b < batchsize; b++) 3204b24ab676SJeff Bonwick ztest_od_init(&od[b], id, FTAG, b, DMU_OT_UINT64_OTHER, 0, 0); 3205fa9e4066Sahrens 3206fa9e4066Sahrens /* 3207b24ab676SJeff Bonwick * Destroy the previous batch of objects, create a new batch, 3208b24ab676SJeff Bonwick * and do some I/O on the new objects. 3209fa9e4066Sahrens */ 3210b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_TRUE) != 0) 3211b24ab676SJeff Bonwick return; 3212fa9e4066Sahrens 3213b24ab676SJeff Bonwick while (ztest_random(4 * batchsize) != 0) 3214b24ab676SJeff Bonwick ztest_io(zd, od[ztest_random(batchsize)].od_object, 3215b24ab676SJeff Bonwick ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3216fa9e4066Sahrens } 3217fa9e4066Sahrens 3218fa9e4066Sahrens /* 3219fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 3220fa9e4066Sahrens */ 3221fa9e4066Sahrens void 3222b24ab676SJeff Bonwick ztest_dmu_read_write(ztest_ds_t *zd, uint64_t id) 3223fa9e4066Sahrens { 3224b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3225b24ab676SJeff Bonwick ztest_od_t od[2]; 3226fa9e4066Sahrens dmu_tx_t *tx; 3227fa9e4066Sahrens int i, freeit, error; 3228fa9e4066Sahrens uint64_t n, s, txg; 3229fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 3230b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3231b24ab676SJeff Bonwick uint64_t chunksize = (1000 + ztest_random(1000)) * sizeof (uint64_t); 3232fa9e4066Sahrens uint64_t regions = 997; 3233fa9e4066Sahrens uint64_t stride = 123456789ULL; 3234fa9e4066Sahrens uint64_t width = 40; 3235fa9e4066Sahrens int free_percent = 5; 3236fa9e4066Sahrens 3237fa9e4066Sahrens /* 3238fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 3239fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 3240fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 3241fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 3242fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 3243fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 3244fa9e4066Sahrens * 3245fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 3246fa9e4066Sahrens * bigobj, at the head of the nth chunk 3247fa9e4066Sahrens * bigobj, at the tail of the nth chunk 3248fa9e4066Sahrens * 3249fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 3250fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 3251fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 3252fa9e4066Sahrens * 3253fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 3254fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 3255fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 3256fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 3257fa9e4066Sahrens * tracking which parts of an object are allocated and free, 3258fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 3259fa9e4066Sahrens */ 3260fa9e4066Sahrens 3261fa9e4066Sahrens /* 3262fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 3263fa9e4066Sahrens */ 3264b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, chunksize); 3265b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 3266fa9e4066Sahrens 3267b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3268b24ab676SJeff Bonwick return; 3269fa9e4066Sahrens 3270b24ab676SJeff Bonwick bigobj = od[0].od_object; 3271b24ab676SJeff Bonwick packobj = od[1].od_object; 3272b24ab676SJeff Bonwick chunksize = od[0].od_gen; 3273b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 3274fa9e4066Sahrens 3275fa9e4066Sahrens /* 3276fa9e4066Sahrens * Prefetch a random chunk of the big object. 3277fa9e4066Sahrens * Our aim here is to get some async reads in flight 3278fa9e4066Sahrens * for blocks that we may free below; the DMU should 3279fa9e4066Sahrens * handle this race correctly. 3280fa9e4066Sahrens */ 3281fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3282fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 3283b24ab676SJeff Bonwick dmu_prefetch(os, bigobj, n * chunksize, s * chunksize); 3284fa9e4066Sahrens 3285fa9e4066Sahrens /* 3286fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 3287fa9e4066Sahrens */ 3288fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3289fa9e4066Sahrens s = 1 + ztest_random(width - 1); 3290fa9e4066Sahrens 3291fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 3292fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 3293fa9e4066Sahrens 3294b24ab676SJeff Bonwick bigoff = n * chunksize; 3295b24ab676SJeff Bonwick bigsize = s * chunksize; 3296fa9e4066Sahrens 3297fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 3298fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 3299fa9e4066Sahrens 3300fa9e4066Sahrens /* 3301fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 3302fa9e4066Sahrens * overwriting it. 3303fa9e4066Sahrens */ 3304fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 3305fa9e4066Sahrens 3306fa9e4066Sahrens /* 3307fa9e4066Sahrens * Read the current contents of our objects. 3308fa9e4066Sahrens */ 3309b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, packsize, packbuf, 33107bfdf011SNeil Perrin DMU_READ_PREFETCH); 3311ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 3312b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, bigbuf, 33137bfdf011SNeil Perrin DMU_READ_PREFETCH); 3314ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 3315fa9e4066Sahrens 3316fa9e4066Sahrens /* 3317fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 3318fa9e4066Sahrens */ 3319fa9e4066Sahrens tx = dmu_tx_create(os); 3320fa9e4066Sahrens 3321b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3322fa9e4066Sahrens 3323fa9e4066Sahrens if (freeit) 3324b24ab676SJeff Bonwick dmu_tx_hold_free(tx, bigobj, bigoff, bigsize); 3325fa9e4066Sahrens else 3326b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 3327fa9e4066Sahrens 3328b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3329b24ab676SJeff Bonwick if (txg == 0) { 3330fa9e4066Sahrens umem_free(packbuf, packsize); 3331fa9e4066Sahrens umem_free(bigbuf, bigsize); 3332fa9e4066Sahrens return; 3333fa9e4066Sahrens } 3334fa9e4066Sahrens 3335b24ab676SJeff Bonwick dmu_object_set_checksum(os, bigobj, 3336b24ab676SJeff Bonwick (enum zio_checksum)ztest_random_dsl_prop(ZFS_PROP_CHECKSUM), tx); 3337b24ab676SJeff Bonwick 3338b24ab676SJeff Bonwick dmu_object_set_compress(os, bigobj, 3339b24ab676SJeff Bonwick (enum zio_compress)ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), tx); 3340fa9e4066Sahrens 3341fa9e4066Sahrens /* 3342fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 3343fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 3344fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 3345fa9e4066Sahrens * with the new values we want to write out. 3346fa9e4066Sahrens */ 3347fa9e4066Sahrens for (i = 0; i < s; i++) { 3348fa9e4066Sahrens /* LINTED */ 3349fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 3350fa9e4066Sahrens /* LINTED */ 3351b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 3352fa9e4066Sahrens /* LINTED */ 3353b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 3354fa9e4066Sahrens 3355fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 3356fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 3357fa9e4066Sahrens 3358fa9e4066Sahrens if (pack->bw_txg > txg) 3359fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 3360fa9e4066Sahrens pack->bw_txg, txg); 3361fa9e4066Sahrens 3362fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 3363fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 3364fa9e4066Sahrens pack->bw_index, n, i); 3365fa9e4066Sahrens 3366fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 3367fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 3368fa9e4066Sahrens 3369fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 3370fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 3371fa9e4066Sahrens 3372fa9e4066Sahrens if (freeit) { 3373fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 3374fa9e4066Sahrens } else { 3375fa9e4066Sahrens pack->bw_index = n + i; 3376fa9e4066Sahrens pack->bw_txg = txg; 3377fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 3378fa9e4066Sahrens } 3379fa9e4066Sahrens *bigH = *pack; 3380fa9e4066Sahrens *bigT = *pack; 3381fa9e4066Sahrens } 3382fa9e4066Sahrens 3383fa9e4066Sahrens /* 3384fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 3385fa9e4066Sahrens * Now write them out. 3386fa9e4066Sahrens */ 3387b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3388fa9e4066Sahrens 3389fa9e4066Sahrens if (freeit) { 3390b24ab676SJeff Bonwick if (zopt_verbose >= 7) { 3391fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 3392fa9e4066Sahrens " txg %llx\n", 3393fa9e4066Sahrens (u_longlong_t)bigoff, 3394fa9e4066Sahrens (u_longlong_t)bigsize, 3395fa9e4066Sahrens (u_longlong_t)txg); 3396fa9e4066Sahrens } 3397b24ab676SJeff Bonwick VERIFY(0 == dmu_free_range(os, bigobj, bigoff, bigsize, tx)); 3398fa9e4066Sahrens } else { 3399b24ab676SJeff Bonwick if (zopt_verbose >= 7) { 3400fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 3401fa9e4066Sahrens " txg %llx\n", 3402fa9e4066Sahrens (u_longlong_t)bigoff, 3403fa9e4066Sahrens (u_longlong_t)bigsize, 3404fa9e4066Sahrens (u_longlong_t)txg); 3405fa9e4066Sahrens } 3406b24ab676SJeff Bonwick dmu_write(os, bigobj, bigoff, bigsize, bigbuf, tx); 3407fa9e4066Sahrens } 3408fa9e4066Sahrens 3409fa9e4066Sahrens dmu_tx_commit(tx); 3410fa9e4066Sahrens 3411fa9e4066Sahrens /* 3412fa9e4066Sahrens * Sanity check the stuff we just wrote. 3413fa9e4066Sahrens */ 3414fa9e4066Sahrens { 3415fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 3416fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 3417fa9e4066Sahrens 3418b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 34197bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3420b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 34217bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 3422fa9e4066Sahrens 3423fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 3424fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 3425fa9e4066Sahrens 3426fa9e4066Sahrens umem_free(packcheck, packsize); 3427fa9e4066Sahrens umem_free(bigcheck, bigsize); 3428fa9e4066Sahrens } 3429fa9e4066Sahrens 3430fa9e4066Sahrens umem_free(packbuf, packsize); 3431fa9e4066Sahrens umem_free(bigbuf, bigsize); 3432fa9e4066Sahrens } 3433fa9e4066Sahrens 34342fdbea25SAleksandr Guzovskiy void 34352fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(uint64_t s, bufwad_t *packbuf, bufwad_t *bigbuf, 3436b24ab676SJeff Bonwick uint64_t bigsize, uint64_t n, uint64_t chunksize, uint64_t txg) 34372fdbea25SAleksandr Guzovskiy { 34382fdbea25SAleksandr Guzovskiy uint64_t i; 34392fdbea25SAleksandr Guzovskiy bufwad_t *pack; 34402fdbea25SAleksandr Guzovskiy bufwad_t *bigH; 34412fdbea25SAleksandr Guzovskiy bufwad_t *bigT; 34422fdbea25SAleksandr Guzovskiy 34432fdbea25SAleksandr Guzovskiy /* 34442fdbea25SAleksandr Guzovskiy * For each index from n to n + s, verify that the existing bufwad 34452fdbea25SAleksandr Guzovskiy * in packobj matches the bufwads at the head and tail of the 34462fdbea25SAleksandr Guzovskiy * corresponding chunk in bigobj. Then update all three bufwads 34472fdbea25SAleksandr Guzovskiy * with the new values we want to write out. 34482fdbea25SAleksandr Guzovskiy */ 34492fdbea25SAleksandr Guzovskiy for (i = 0; i < s; i++) { 34502fdbea25SAleksandr Guzovskiy /* LINTED */ 34512fdbea25SAleksandr Guzovskiy pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 34522fdbea25SAleksandr Guzovskiy /* LINTED */ 3453b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 34542fdbea25SAleksandr Guzovskiy /* LINTED */ 3455b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 34562fdbea25SAleksandr Guzovskiy 34572fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 34582fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 34592fdbea25SAleksandr Guzovskiy 34602fdbea25SAleksandr Guzovskiy if (pack->bw_txg > txg) 34612fdbea25SAleksandr Guzovskiy fatal(0, "future leak: got %llx, open txg is %llx", 34622fdbea25SAleksandr Guzovskiy pack->bw_txg, txg); 34632fdbea25SAleksandr Guzovskiy 34642fdbea25SAleksandr Guzovskiy if (pack->bw_data != 0 && pack->bw_index != n + i) 34652fdbea25SAleksandr Guzovskiy fatal(0, "wrong index: got %llx, wanted %llx+%llx", 34662fdbea25SAleksandr Guzovskiy pack->bw_index, n, i); 34672fdbea25SAleksandr Guzovskiy 34682fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 34692fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 34702fdbea25SAleksandr Guzovskiy 34712fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 34722fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 34732fdbea25SAleksandr Guzovskiy 34742fdbea25SAleksandr Guzovskiy pack->bw_index = n + i; 34752fdbea25SAleksandr Guzovskiy pack->bw_txg = txg; 34762fdbea25SAleksandr Guzovskiy pack->bw_data = 1 + ztest_random(-2ULL); 34772fdbea25SAleksandr Guzovskiy 34782fdbea25SAleksandr Guzovskiy *bigH = *pack; 34792fdbea25SAleksandr Guzovskiy *bigT = *pack; 34802fdbea25SAleksandr Guzovskiy } 34812fdbea25SAleksandr Guzovskiy } 34822fdbea25SAleksandr Guzovskiy 34832fdbea25SAleksandr Guzovskiy void 3484b24ab676SJeff Bonwick ztest_dmu_read_write_zcopy(ztest_ds_t *zd, uint64_t id) 34852fdbea25SAleksandr Guzovskiy { 3486b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3487b24ab676SJeff Bonwick ztest_od_t od[2]; 34882fdbea25SAleksandr Guzovskiy dmu_tx_t *tx; 34892fdbea25SAleksandr Guzovskiy uint64_t i; 34902fdbea25SAleksandr Guzovskiy int error; 34912fdbea25SAleksandr Guzovskiy uint64_t n, s, txg; 34922fdbea25SAleksandr Guzovskiy bufwad_t *packbuf, *bigbuf; 3493b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3494b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3495b24ab676SJeff Bonwick uint64_t chunksize = blocksize; 34962fdbea25SAleksandr Guzovskiy uint64_t regions = 997; 34972fdbea25SAleksandr Guzovskiy uint64_t stride = 123456789ULL; 34982fdbea25SAleksandr Guzovskiy uint64_t width = 9; 34992fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 35002fdbea25SAleksandr Guzovskiy arc_buf_t **bigbuf_arcbufs; 3501b24ab676SJeff Bonwick dmu_object_info_t doi; 35022fdbea25SAleksandr Guzovskiy 35032fdbea25SAleksandr Guzovskiy /* 35042fdbea25SAleksandr Guzovskiy * This test uses two objects, packobj and bigobj, that are always 35052fdbea25SAleksandr Guzovskiy * updated together (i.e. in the same tx) so that their contents are 35062fdbea25SAleksandr Guzovskiy * in sync and can be compared. Their contents relate to each other 35072fdbea25SAleksandr Guzovskiy * in a simple way: packobj is a dense array of 'bufwad' structures, 35082fdbea25SAleksandr Guzovskiy * while bigobj is a sparse array of the same bufwads. Specifically, 35092fdbea25SAleksandr Guzovskiy * for any index n, there are three bufwads that should be identical: 35102fdbea25SAleksandr Guzovskiy * 35112fdbea25SAleksandr Guzovskiy * packobj, at offset n * sizeof (bufwad_t) 35122fdbea25SAleksandr Guzovskiy * bigobj, at the head of the nth chunk 35132fdbea25SAleksandr Guzovskiy * bigobj, at the tail of the nth chunk 35142fdbea25SAleksandr Guzovskiy * 35152fdbea25SAleksandr Guzovskiy * The chunk size is set equal to bigobj block size so that 35162fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() can be tested for object updates. 35172fdbea25SAleksandr Guzovskiy */ 35182fdbea25SAleksandr Guzovskiy 35192fdbea25SAleksandr Guzovskiy /* 35202fdbea25SAleksandr Guzovskiy * Read the directory info. If it's the first time, set things up. 35212fdbea25SAleksandr Guzovskiy */ 3522b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3523b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 35242fdbea25SAleksandr Guzovskiy 3525b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3526b24ab676SJeff Bonwick return; 35272fdbea25SAleksandr Guzovskiy 3528b24ab676SJeff Bonwick bigobj = od[0].od_object; 3529b24ab676SJeff Bonwick packobj = od[1].od_object; 3530b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 3531b24ab676SJeff Bonwick chunksize = blocksize; 3532b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 35332fdbea25SAleksandr Guzovskiy 3534b24ab676SJeff Bonwick VERIFY(dmu_object_info(os, bigobj, &doi) == 0); 3535b24ab676SJeff Bonwick VERIFY(ISP2(doi.doi_data_block_size)); 3536b24ab676SJeff Bonwick VERIFY(chunksize == doi.doi_data_block_size); 3537b24ab676SJeff Bonwick VERIFY(chunksize >= 2 * sizeof (bufwad_t)); 35382fdbea25SAleksandr Guzovskiy 35392fdbea25SAleksandr Guzovskiy /* 35402fdbea25SAleksandr Guzovskiy * Pick a random index and compute the offsets into packobj and bigobj. 35412fdbea25SAleksandr Guzovskiy */ 35422fdbea25SAleksandr Guzovskiy n = ztest_random(regions) * stride + ztest_random(width); 35432fdbea25SAleksandr Guzovskiy s = 1 + ztest_random(width - 1); 35442fdbea25SAleksandr Guzovskiy 35452fdbea25SAleksandr Guzovskiy packoff = n * sizeof (bufwad_t); 35462fdbea25SAleksandr Guzovskiy packsize = s * sizeof (bufwad_t); 35472fdbea25SAleksandr Guzovskiy 3548b24ab676SJeff Bonwick bigoff = n * chunksize; 3549b24ab676SJeff Bonwick bigsize = s * chunksize; 35502fdbea25SAleksandr Guzovskiy 35512fdbea25SAleksandr Guzovskiy packbuf = umem_zalloc(packsize, UMEM_NOFAIL); 35522fdbea25SAleksandr Guzovskiy bigbuf = umem_zalloc(bigsize, UMEM_NOFAIL); 35532fdbea25SAleksandr Guzovskiy 3554b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, bigobj, FTAG, &bonus_db)); 35552fdbea25SAleksandr Guzovskiy 35562fdbea25SAleksandr Guzovskiy bigbuf_arcbufs = umem_zalloc(2 * s * sizeof (arc_buf_t *), UMEM_NOFAIL); 35572fdbea25SAleksandr Guzovskiy 35582fdbea25SAleksandr Guzovskiy /* 35592fdbea25SAleksandr Guzovskiy * Iteration 0 test zcopy for DB_UNCACHED dbufs. 35602fdbea25SAleksandr Guzovskiy * Iteration 1 test zcopy to already referenced dbufs. 35612fdbea25SAleksandr Guzovskiy * Iteration 2 test zcopy to dirty dbuf in the same txg. 35622fdbea25SAleksandr Guzovskiy * Iteration 3 test zcopy to dbuf dirty in previous txg. 35632fdbea25SAleksandr Guzovskiy * Iteration 4 test zcopy when dbuf is no longer dirty. 35642fdbea25SAleksandr Guzovskiy * Iteration 5 test zcopy when it can't be done. 35652fdbea25SAleksandr Guzovskiy * Iteration 6 one more zcopy write. 35662fdbea25SAleksandr Guzovskiy */ 35672fdbea25SAleksandr Guzovskiy for (i = 0; i < 7; i++) { 35682fdbea25SAleksandr Guzovskiy uint64_t j; 35692fdbea25SAleksandr Guzovskiy uint64_t off; 35702fdbea25SAleksandr Guzovskiy 35712fdbea25SAleksandr Guzovskiy /* 35722fdbea25SAleksandr Guzovskiy * In iteration 5 (i == 5) use arcbufs 35732fdbea25SAleksandr Guzovskiy * that don't match bigobj blksz to test 35742fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() when it can't directly 35752fdbea25SAleksandr Guzovskiy * assign an arcbuf to a dbuf. 35762fdbea25SAleksandr Guzovskiy */ 35772fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 35782fdbea25SAleksandr Guzovskiy if (i != 5) { 35792fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j] = 3580b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize); 35812fdbea25SAleksandr Guzovskiy } else { 35822fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j] = 3583b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 35842fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1] = 3585b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 35862fdbea25SAleksandr Guzovskiy } 35872fdbea25SAleksandr Guzovskiy } 35882fdbea25SAleksandr Guzovskiy 35892fdbea25SAleksandr Guzovskiy /* 35902fdbea25SAleksandr Guzovskiy * Get a tx for the mods to both packobj and bigobj. 35912fdbea25SAleksandr Guzovskiy */ 35922fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 35932fdbea25SAleksandr Guzovskiy 3594b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3595b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 35962fdbea25SAleksandr Guzovskiy 3597b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3598b24ab676SJeff Bonwick if (txg == 0) { 35992fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 36002fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 36012fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 36022fdbea25SAleksandr Guzovskiy if (i != 5) { 36032fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(bigbuf_arcbufs[j]); 36042fdbea25SAleksandr Guzovskiy } else { 36052fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 36062fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]); 36072fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 36082fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]); 36092fdbea25SAleksandr Guzovskiy } 36102fdbea25SAleksandr Guzovskiy } 36112fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 36122fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 36132fdbea25SAleksandr Guzovskiy return; 36142fdbea25SAleksandr Guzovskiy } 36152fdbea25SAleksandr Guzovskiy 36162fdbea25SAleksandr Guzovskiy /* 36172fdbea25SAleksandr Guzovskiy * 50% of the time don't read objects in the 1st iteration to 36182fdbea25SAleksandr Guzovskiy * test dmu_assign_arcbuf() for the case when there're no 36192fdbea25SAleksandr Guzovskiy * existing dbufs for the specified offsets. 36202fdbea25SAleksandr Guzovskiy */ 36212fdbea25SAleksandr Guzovskiy if (i != 0 || ztest_random(2) != 0) { 3622b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, 36237bfdf011SNeil Perrin packsize, packbuf, DMU_READ_PREFETCH); 36242fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 3625b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, 36267bfdf011SNeil Perrin bigbuf, DMU_READ_PREFETCH); 36272fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 36282fdbea25SAleksandr Guzovskiy } 36292fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(s, packbuf, bigbuf, bigsize, 3630b24ab676SJeff Bonwick n, chunksize, txg); 36312fdbea25SAleksandr Guzovskiy 36322fdbea25SAleksandr Guzovskiy /* 36332fdbea25SAleksandr Guzovskiy * We've verified all the old bufwads, and made new ones. 36342fdbea25SAleksandr Guzovskiy * Now write them out. 36352fdbea25SAleksandr Guzovskiy */ 3636b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3637b24ab676SJeff Bonwick if (zopt_verbose >= 7) { 36382fdbea25SAleksandr Guzovskiy (void) printf("writing offset %llx size %llx" 36392fdbea25SAleksandr Guzovskiy " txg %llx\n", 36402fdbea25SAleksandr Guzovskiy (u_longlong_t)bigoff, 36412fdbea25SAleksandr Guzovskiy (u_longlong_t)bigsize, 36422fdbea25SAleksandr Guzovskiy (u_longlong_t)txg); 36432fdbea25SAleksandr Guzovskiy } 3644b24ab676SJeff Bonwick for (off = bigoff, j = 0; j < s; j++, off += chunksize) { 36452fdbea25SAleksandr Guzovskiy dmu_buf_t *dbt; 36462fdbea25SAleksandr Guzovskiy if (i != 5) { 36472fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 3648b24ab676SJeff Bonwick bigbuf_arcbufs[j]->b_data, chunksize); 36492fdbea25SAleksandr Guzovskiy } else { 36502fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 36512fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]->b_data, 3652b24ab676SJeff Bonwick chunksize / 2); 36532fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff) + 3654b24ab676SJeff Bonwick chunksize / 2, 36552fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]->b_data, 3656b24ab676SJeff Bonwick chunksize / 2); 36572fdbea25SAleksandr Guzovskiy } 36582fdbea25SAleksandr Guzovskiy 36592fdbea25SAleksandr Guzovskiy if (i == 1) { 3660b24ab676SJeff Bonwick VERIFY(dmu_buf_hold(os, bigobj, off, 366147cb52daSJeff Bonwick FTAG, &dbt, DMU_READ_NO_PREFETCH) == 0); 36622fdbea25SAleksandr Guzovskiy } 36632fdbea25SAleksandr Guzovskiy if (i != 5) { 36642fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 36652fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j], tx); 36662fdbea25SAleksandr Guzovskiy } else { 36672fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 36682fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j], tx); 36692fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, 3670b24ab676SJeff Bonwick off + chunksize / 2, 36712fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1], tx); 36722fdbea25SAleksandr Guzovskiy } 36732fdbea25SAleksandr Guzovskiy if (i == 1) { 36742fdbea25SAleksandr Guzovskiy dmu_buf_rele(dbt, FTAG); 36752fdbea25SAleksandr Guzovskiy } 36762fdbea25SAleksandr Guzovskiy } 36772fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 36782fdbea25SAleksandr Guzovskiy 36792fdbea25SAleksandr Guzovskiy /* 36802fdbea25SAleksandr Guzovskiy * Sanity check the stuff we just wrote. 36812fdbea25SAleksandr Guzovskiy */ 36822fdbea25SAleksandr Guzovskiy { 36832fdbea25SAleksandr Guzovskiy void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 36842fdbea25SAleksandr Guzovskiy void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 36852fdbea25SAleksandr Guzovskiy 3686b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 36877bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3688b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 36897bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 36902fdbea25SAleksandr Guzovskiy 36912fdbea25SAleksandr Guzovskiy ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 36922fdbea25SAleksandr Guzovskiy ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 36932fdbea25SAleksandr Guzovskiy 36942fdbea25SAleksandr Guzovskiy umem_free(packcheck, packsize); 36952fdbea25SAleksandr Guzovskiy umem_free(bigcheck, bigsize); 36962fdbea25SAleksandr Guzovskiy } 36972fdbea25SAleksandr Guzovskiy if (i == 2) { 3698b24ab676SJeff Bonwick txg_wait_open(dmu_objset_pool(os), 0); 3699b24ab676SJeff Bonwick } else if (i == 3) { 3700b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 3701fa9e4066Sahrens } 3702e05725b1Sbonwick } 3703e05725b1Sbonwick 3704b24ab676SJeff Bonwick dmu_buf_rele(bonus_db, FTAG); 3705b24ab676SJeff Bonwick umem_free(packbuf, packsize); 3706b24ab676SJeff Bonwick umem_free(bigbuf, bigsize); 3707b24ab676SJeff Bonwick umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 3708b24ab676SJeff Bonwick } 3709fa9e4066Sahrens 3710b24ab676SJeff Bonwick /* ARGSUSED */ 3711b24ab676SJeff Bonwick void 3712b24ab676SJeff Bonwick ztest_dmu_write_parallel(ztest_ds_t *zd, uint64_t id) 3713b24ab676SJeff Bonwick { 3714b24ab676SJeff Bonwick ztest_od_t od[1]; 3715b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(20) + 43)) + 3716b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3717fa9e4066Sahrens 3718e05725b1Sbonwick /* 3719b24ab676SJeff Bonwick * Have multiple threads write to large offsets in an object 3720b24ab676SJeff Bonwick * to verify that parallel writes to an object -- even to the 3721b24ab676SJeff Bonwick * same blocks within the object -- doesn't cause any trouble. 3722e05725b1Sbonwick */ 3723b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 3724fa9e4066Sahrens 3725b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3726e05725b1Sbonwick return; 3727fa9e4066Sahrens 3728b24ab676SJeff Bonwick while (ztest_random(10) != 0) 3729b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, offset); 3730b24ab676SJeff Bonwick } 3731fa9e4066Sahrens 3732b24ab676SJeff Bonwick void 3733b24ab676SJeff Bonwick ztest_dmu_prealloc(ztest_ds_t *zd, uint64_t id) 3734b24ab676SJeff Bonwick { 3735b24ab676SJeff Bonwick ztest_od_t od[1]; 3736b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(4) + SPA_MAXBLOCKSHIFT)) + 3737b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3738b24ab676SJeff Bonwick uint64_t count = ztest_random(20) + 1; 3739b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3740b24ab676SJeff Bonwick void *data; 3741fa9e4066Sahrens 3742b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3743fa9e4066Sahrens 3744b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3745e05725b1Sbonwick return; 37460e34b6a7Sbonwick 3747b24ab676SJeff Bonwick if (ztest_truncate(zd, od[0].od_object, offset, count * blocksize) != 0) 3748f4a72450SJeff Bonwick return; 3749f4a72450SJeff Bonwick 3750b24ab676SJeff Bonwick ztest_prealloc(zd, od[0].od_object, offset, count * blocksize); 3751fa9e4066Sahrens 3752b24ab676SJeff Bonwick data = umem_zalloc(blocksize, UMEM_NOFAIL); 3753b24ab676SJeff Bonwick 3754b24ab676SJeff Bonwick while (ztest_random(count) != 0) { 3755b24ab676SJeff Bonwick uint64_t randoff = offset + (ztest_random(count) * blocksize); 3756b24ab676SJeff Bonwick if (ztest_write(zd, od[0].od_object, randoff, blocksize, 3757b24ab676SJeff Bonwick data) != 0) 3758b24ab676SJeff Bonwick break; 3759b24ab676SJeff Bonwick while (ztest_random(4) != 0) 3760b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, randoff); 3761b24ab676SJeff Bonwick } 3762b24ab676SJeff Bonwick 3763b24ab676SJeff Bonwick umem_free(data, blocksize); 3764fa9e4066Sahrens } 3765fa9e4066Sahrens 3766fa9e4066Sahrens /* 3767fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 3768fa9e4066Sahrens */ 3769fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 3770fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 3771fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 3772fa9e4066Sahrens 3773fa9e4066Sahrens void 3774b24ab676SJeff Bonwick ztest_zap(ztest_ds_t *zd, uint64_t id) 3775fa9e4066Sahrens { 3776b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3777b24ab676SJeff Bonwick ztest_od_t od[1]; 3778fa9e4066Sahrens uint64_t object; 3779fa9e4066Sahrens uint64_t txg, last_txg; 3780fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 3781fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 3782fa9e4066Sahrens int i, ints; 3783fa9e4066Sahrens dmu_tx_t *tx; 3784fa9e4066Sahrens char propname[100], txgname[100]; 3785fa9e4066Sahrens int error; 3786fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 3787fa9e4066Sahrens 3788b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 3789fa9e4066Sahrens 3790b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3791b24ab676SJeff Bonwick return; 3792fa9e4066Sahrens 3793b24ab676SJeff Bonwick object = od[0].od_object; 3794fa9e4066Sahrens 3795b24ab676SJeff Bonwick /* 3796b24ab676SJeff Bonwick * Generate a known hash collision, and verify that 3797b24ab676SJeff Bonwick * we can lookup and remove both entries. 3798b24ab676SJeff Bonwick */ 3799b24ab676SJeff Bonwick tx = dmu_tx_create(os); 3800b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3801b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3802b24ab676SJeff Bonwick if (txg == 0) 3803b24ab676SJeff Bonwick return; 3804b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3805b24ab676SJeff Bonwick value[i] = i; 3806b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_add(os, object, hc[i], sizeof (uint64_t), 3807b24ab676SJeff Bonwick 1, &value[i], tx)); 3808b24ab676SJeff Bonwick } 3809b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3810b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, zap_add(os, object, hc[i], 3811b24ab676SJeff Bonwick sizeof (uint64_t), 1, &value[i], tx)); 3812b24ab676SJeff Bonwick VERIFY3U(0, ==, 3813b24ab676SJeff Bonwick zap_length(os, object, hc[i], &zl_intsize, &zl_ints)); 3814b24ab676SJeff Bonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3815b24ab676SJeff Bonwick ASSERT3U(zl_ints, ==, 1); 3816fa9e4066Sahrens } 3817b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3818b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, object, hc[i], tx)); 3819b24ab676SJeff Bonwick } 3820b24ab676SJeff Bonwick dmu_tx_commit(tx); 3821fa9e4066Sahrens 3822b24ab676SJeff Bonwick /* 3823b24ab676SJeff Bonwick * Generate a buch of random entries. 3824b24ab676SJeff Bonwick */ 3825fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 3826fa9e4066Sahrens 3827e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 3828e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 3829e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 3830e05725b1Sbonwick bzero(value, sizeof (value)); 3831e05725b1Sbonwick last_txg = 0; 3832fa9e4066Sahrens 3833e05725b1Sbonwick /* 3834e05725b1Sbonwick * If these zap entries already exist, validate their contents. 3835e05725b1Sbonwick */ 3836e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 3837e05725b1Sbonwick if (error == 0) { 3838e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3839e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 3840fa9e4066Sahrens 3841e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 3842e05725b1Sbonwick zl_ints, &last_txg) == 0); 3843fa9e4066Sahrens 3844e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 3845e05725b1Sbonwick &zl_ints) == 0); 3846fa9e4066Sahrens 3847e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3848e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 3849fa9e4066Sahrens 3850e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 3851e05725b1Sbonwick zl_ints, value) == 0); 3852fa9e4066Sahrens 3853e05725b1Sbonwick for (i = 0; i < ints; i++) { 3854e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 3855fa9e4066Sahrens } 3856e05725b1Sbonwick } else { 3857e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 3858e05725b1Sbonwick } 3859fa9e4066Sahrens 3860e05725b1Sbonwick /* 3861e05725b1Sbonwick * Atomically update two entries in our zap object. 3862e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 3863e05725b1Sbonwick * in which the property was last updated. The second 3864e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 3865e05725b1Sbonwick * should be txg + object + n. 3866e05725b1Sbonwick */ 3867e05725b1Sbonwick tx = dmu_tx_create(os); 3868b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3869b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3870b24ab676SJeff Bonwick if (txg == 0) 3871e05725b1Sbonwick return; 3872fa9e4066Sahrens 3873e05725b1Sbonwick if (last_txg > txg) 3874e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 3875fa9e4066Sahrens 3876e05725b1Sbonwick for (i = 0; i < ints; i++) 3877e05725b1Sbonwick value[i] = txg + object + i; 3878fa9e4066Sahrens 3879b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_update(os, object, txgname, sizeof (uint64_t), 3880b24ab676SJeff Bonwick 1, &txg, tx)); 3881b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_update(os, object, propname, sizeof (uint64_t), 3882b24ab676SJeff Bonwick ints, value, tx)); 3883fa9e4066Sahrens 3884e05725b1Sbonwick dmu_tx_commit(tx); 3885fa9e4066Sahrens 3886e05725b1Sbonwick /* 3887e05725b1Sbonwick * Remove a random pair of entries. 3888e05725b1Sbonwick */ 3889e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 3890e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 3891e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 3892fa9e4066Sahrens 3893e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 3894fa9e4066Sahrens 3895e05725b1Sbonwick if (error == ENOENT) 3896e05725b1Sbonwick return; 3897fa9e4066Sahrens 3898e05725b1Sbonwick ASSERT3U(error, ==, 0); 3899fa9e4066Sahrens 3900e05725b1Sbonwick tx = dmu_tx_create(os); 3901b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3902b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3903b24ab676SJeff Bonwick if (txg == 0) 390412a2833aSSanjeev Bagewadi return; 3905b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, object, txgname, tx)); 3906b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, object, propname, tx)); 390712a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 390812a2833aSSanjeev Bagewadi } 390912a2833aSSanjeev Bagewadi 391012a2833aSSanjeev Bagewadi /* 391112a2833aSSanjeev Bagewadi * Testcase to test the upgrading of a microzap to fatzap. 391212a2833aSSanjeev Bagewadi */ 391312a2833aSSanjeev Bagewadi void 3914b24ab676SJeff Bonwick ztest_fzap(ztest_ds_t *zd, uint64_t id) 391512a2833aSSanjeev Bagewadi { 3916b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3917b24ab676SJeff Bonwick ztest_od_t od[1]; 3918b24ab676SJeff Bonwick uint64_t object, txg; 391912a2833aSSanjeev Bagewadi 3920b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 392112a2833aSSanjeev Bagewadi 3922b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3923b24ab676SJeff Bonwick return; 392412a2833aSSanjeev Bagewadi 3925b24ab676SJeff Bonwick object = od[0].od_object; 392612a2833aSSanjeev Bagewadi 392712a2833aSSanjeev Bagewadi /* 3928b24ab676SJeff Bonwick * Add entries to this ZAP and make sure it spills over 392912a2833aSSanjeev Bagewadi * and gets upgraded to a fatzap. Also, since we are adding 3930b24ab676SJeff Bonwick * 2050 entries we should see ptrtbl growth and leaf-block split. 393112a2833aSSanjeev Bagewadi */ 3932b24ab676SJeff Bonwick for (int i = 0; i < 2050; i++) { 3933b24ab676SJeff Bonwick char name[MAXNAMELEN]; 3934b24ab676SJeff Bonwick uint64_t value = i; 3935b24ab676SJeff Bonwick dmu_tx_t *tx; 3936b24ab676SJeff Bonwick int error; 393712a2833aSSanjeev Bagewadi 3938b24ab676SJeff Bonwick (void) snprintf(name, sizeof (name), "fzap-%llu-%llu", 3939b24ab676SJeff Bonwick id, value); 394012a2833aSSanjeev Bagewadi 3941b24ab676SJeff Bonwick tx = dmu_tx_create(os); 3942b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, name); 3943b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3944b24ab676SJeff Bonwick if (txg == 0) 394512a2833aSSanjeev Bagewadi return; 3946b24ab676SJeff Bonwick error = zap_add(os, object, name, sizeof (uint64_t), 1, 3947b24ab676SJeff Bonwick &value, tx); 394812a2833aSSanjeev Bagewadi ASSERT(error == 0 || error == EEXIST); 394912a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 395012a2833aSSanjeev Bagewadi } 3951fa9e4066Sahrens } 3952fa9e4066Sahrens 3953b24ab676SJeff Bonwick /* ARGSUSED */ 3954fa9e4066Sahrens void 3955b24ab676SJeff Bonwick ztest_zap_parallel(ztest_ds_t *zd, uint64_t id) 3956fa9e4066Sahrens { 3957b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3958b24ab676SJeff Bonwick ztest_od_t od[1]; 3959fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 3960fa9e4066Sahrens dmu_tx_t *tx; 3961fa9e4066Sahrens int i, namelen, error; 3962b24ab676SJeff Bonwick int micro = ztest_random(2); 3963fa9e4066Sahrens char name[20], string_value[20]; 3964fa9e4066Sahrens void *data; 3965fa9e4066Sahrens 3966b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, micro, DMU_OT_ZAP_OTHER, 0, 0); 3967b24ab676SJeff Bonwick 3968b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3969b24ab676SJeff Bonwick return; 3970b24ab676SJeff Bonwick 3971b24ab676SJeff Bonwick object = od[0].od_object; 3972b24ab676SJeff Bonwick 3973e05725b1Sbonwick /* 3974e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 3975e05725b1Sbonwick * x is a random printable character and the dots are dots. 3976e05725b1Sbonwick * There are 94 such characters, and the name length goes from 3977e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 3978e05725b1Sbonwick */ 3979e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 3980fa9e4066Sahrens 3981e05725b1Sbonwick for (i = 0; i < 3; i++) 3982e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 3983e05725b1Sbonwick for (; i < namelen - 1; i++) 3984e05725b1Sbonwick name[i] = '.'; 3985e05725b1Sbonwick name[i] = '\0'; 3986fa9e4066Sahrens 3987b24ab676SJeff Bonwick if ((namelen & 1) || micro) { 3988e05725b1Sbonwick wsize = sizeof (txg); 3989e05725b1Sbonwick wc = 1; 3990e05725b1Sbonwick data = &txg; 3991e05725b1Sbonwick } else { 3992e05725b1Sbonwick wsize = 1; 3993e05725b1Sbonwick wc = namelen; 3994e05725b1Sbonwick data = string_value; 3995e05725b1Sbonwick } 3996fa9e4066Sahrens 3997e05725b1Sbonwick count = -1ULL; 3998e05725b1Sbonwick VERIFY(zap_count(os, object, &count) == 0); 3999e05725b1Sbonwick ASSERT(count != -1ULL); 4000fa9e4066Sahrens 4001e05725b1Sbonwick /* 4002e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 4003e05725b1Sbonwick */ 4004e05725b1Sbonwick i = ztest_random(5); 4005e05725b1Sbonwick 4006e05725b1Sbonwick if (i >= 2) { 4007e05725b1Sbonwick tx = dmu_tx_create(os); 4008b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4009b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4010b24ab676SJeff Bonwick if (txg == 0) 4011e05725b1Sbonwick return; 4012e05725b1Sbonwick bcopy(name, string_value, namelen); 4013e05725b1Sbonwick } else { 4014e05725b1Sbonwick tx = NULL; 4015e05725b1Sbonwick txg = 0; 4016e05725b1Sbonwick bzero(string_value, namelen); 4017e05725b1Sbonwick } 4018fa9e4066Sahrens 4019e05725b1Sbonwick switch (i) { 4020fa9e4066Sahrens 4021e05725b1Sbonwick case 0: 4022e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 4023e05725b1Sbonwick if (error == 0) { 4024e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 4025e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 4026e05725b1Sbonwick } else { 4027e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4028e05725b1Sbonwick } 4029e05725b1Sbonwick break; 4030fa9e4066Sahrens 4031e05725b1Sbonwick case 1: 4032e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 4033e05725b1Sbonwick if (error == 0) { 4034e05725b1Sbonwick if (data == string_value && 4035e05725b1Sbonwick bcmp(name, data, namelen) != 0) 4036e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 4037e05725b1Sbonwick name, data, namelen); 4038e05725b1Sbonwick } else { 4039e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4040e05725b1Sbonwick } 4041e05725b1Sbonwick break; 4042fa9e4066Sahrens 4043e05725b1Sbonwick case 2: 4044e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 4045e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 4046e05725b1Sbonwick break; 4047fa9e4066Sahrens 4048e05725b1Sbonwick case 3: 4049e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 4050e05725b1Sbonwick break; 4051fa9e4066Sahrens 4052e05725b1Sbonwick case 4: 4053e05725b1Sbonwick error = zap_remove(os, object, name, tx); 4054e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 4055e05725b1Sbonwick break; 4056fa9e4066Sahrens } 4057e05725b1Sbonwick 4058e05725b1Sbonwick if (tx != NULL) 4059e05725b1Sbonwick dmu_tx_commit(tx); 4060fa9e4066Sahrens } 4061fa9e4066Sahrens 4062d20e665cSRicardo M. Correia /* 4063d20e665cSRicardo M. Correia * Commit callback data. 4064d20e665cSRicardo M. Correia */ 4065d20e665cSRicardo M. Correia typedef struct ztest_cb_data { 4066d20e665cSRicardo M. Correia list_node_t zcd_node; 4067d20e665cSRicardo M. Correia uint64_t zcd_txg; 4068d20e665cSRicardo M. Correia int zcd_expected_err; 4069d20e665cSRicardo M. Correia boolean_t zcd_added; 4070d20e665cSRicardo M. Correia boolean_t zcd_called; 4071d20e665cSRicardo M. Correia spa_t *zcd_spa; 4072d20e665cSRicardo M. Correia } ztest_cb_data_t; 4073d20e665cSRicardo M. Correia 4074d20e665cSRicardo M. Correia /* This is the actual commit callback function */ 4075d20e665cSRicardo M. Correia static void 4076d20e665cSRicardo M. Correia ztest_commit_callback(void *arg, int error) 4077d20e665cSRicardo M. Correia { 4078d20e665cSRicardo M. Correia ztest_cb_data_t *data = arg; 4079d20e665cSRicardo M. Correia uint64_t synced_txg; 4080d20e665cSRicardo M. Correia 4081d20e665cSRicardo M. Correia VERIFY(data != NULL); 4082d20e665cSRicardo M. Correia VERIFY3S(data->zcd_expected_err, ==, error); 4083d20e665cSRicardo M. Correia VERIFY(!data->zcd_called); 4084d20e665cSRicardo M. Correia 4085d20e665cSRicardo M. Correia synced_txg = spa_last_synced_txg(data->zcd_spa); 4086d20e665cSRicardo M. Correia if (data->zcd_txg > synced_txg) 4087d20e665cSRicardo M. Correia fatal(0, "commit callback of txg %" PRIu64 " called prematurely" 4088d20e665cSRicardo M. Correia ", last synced txg = %" PRIu64 "\n", data->zcd_txg, 4089d20e665cSRicardo M. Correia synced_txg); 4090d20e665cSRicardo M. Correia 4091d20e665cSRicardo M. Correia data->zcd_called = B_TRUE; 4092d20e665cSRicardo M. Correia 4093d20e665cSRicardo M. Correia if (error == ECANCELED) { 4094d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, ==, 0); 4095d20e665cSRicardo M. Correia ASSERT(!data->zcd_added); 4096d20e665cSRicardo M. Correia 4097d20e665cSRicardo M. Correia /* 4098d20e665cSRicardo M. Correia * The private callback data should be destroyed here, but 4099d20e665cSRicardo M. Correia * since we are going to check the zcd_called field after 4100d20e665cSRicardo M. Correia * dmu_tx_abort(), we will destroy it there. 4101d20e665cSRicardo M. Correia */ 4102d20e665cSRicardo M. Correia return; 4103d20e665cSRicardo M. Correia } 4104d20e665cSRicardo M. Correia 4105d20e665cSRicardo M. Correia /* Was this callback added to the global callback list? */ 4106d20e665cSRicardo M. Correia if (!data->zcd_added) 4107d20e665cSRicardo M. Correia goto out; 4108d20e665cSRicardo M. Correia 4109d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, !=, 0); 4110d20e665cSRicardo M. Correia 4111d20e665cSRicardo M. Correia /* Remove our callback from the list */ 4112d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4113d20e665cSRicardo M. Correia list_remove(&zcl.zcl_callbacks, data); 4114d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4115d20e665cSRicardo M. Correia 4116d20e665cSRicardo M. Correia out: 4117d20e665cSRicardo M. Correia umem_free(data, sizeof (ztest_cb_data_t)); 4118d20e665cSRicardo M. Correia } 4119d20e665cSRicardo M. Correia 4120d20e665cSRicardo M. Correia /* Allocate and initialize callback data structure */ 4121d20e665cSRicardo M. Correia static ztest_cb_data_t * 4122d20e665cSRicardo M. Correia ztest_create_cb_data(objset_t *os, uint64_t txg) 4123d20e665cSRicardo M. Correia { 4124d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data; 4125d20e665cSRicardo M. Correia 4126d20e665cSRicardo M. Correia cb_data = umem_zalloc(sizeof (ztest_cb_data_t), UMEM_NOFAIL); 4127d20e665cSRicardo M. Correia 4128d20e665cSRicardo M. Correia cb_data->zcd_txg = txg; 4129d20e665cSRicardo M. Correia cb_data->zcd_spa = dmu_objset_spa(os); 4130d20e665cSRicardo M. Correia 4131d20e665cSRicardo M. Correia return (cb_data); 4132d20e665cSRicardo M. Correia } 4133d20e665cSRicardo M. Correia 4134d20e665cSRicardo M. Correia /* 4135d20e665cSRicardo M. Correia * If a number of txgs equal to this threshold have been created after a commit 4136d20e665cSRicardo M. Correia * callback has been registered but not called, then we assume there is an 4137d20e665cSRicardo M. Correia * implementation bug. 4138d20e665cSRicardo M. Correia */ 4139d20e665cSRicardo M. Correia #define ZTEST_COMMIT_CALLBACK_THRESH (TXG_CONCURRENT_STATES + 2) 4140d20e665cSRicardo M. Correia 4141d20e665cSRicardo M. Correia /* 4142d20e665cSRicardo M. Correia * Commit callback test. 4143d20e665cSRicardo M. Correia */ 4144d20e665cSRicardo M. Correia void 4145b24ab676SJeff Bonwick ztest_dmu_commit_callbacks(ztest_ds_t *zd, uint64_t id) 4146d20e665cSRicardo M. Correia { 4147b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4148b24ab676SJeff Bonwick ztest_od_t od[1]; 4149d20e665cSRicardo M. Correia dmu_tx_t *tx; 4150d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data[3], *tmp_cb; 4151d20e665cSRicardo M. Correia uint64_t old_txg, txg; 4152d20e665cSRicardo M. Correia int i, error; 4153d20e665cSRicardo M. Correia 4154b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 4155b24ab676SJeff Bonwick 4156b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4157b24ab676SJeff Bonwick return; 4158b24ab676SJeff Bonwick 4159d20e665cSRicardo M. Correia tx = dmu_tx_create(os); 4160d20e665cSRicardo M. Correia 4161d20e665cSRicardo M. Correia cb_data[0] = ztest_create_cb_data(os, 0); 4162d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[0]); 4163d20e665cSRicardo M. Correia 4164b24ab676SJeff Bonwick dmu_tx_hold_write(tx, od[0].od_object, 0, sizeof (uint64_t)); 4165d20e665cSRicardo M. Correia 4166d20e665cSRicardo M. Correia /* Every once in a while, abort the transaction on purpose */ 4167d20e665cSRicardo M. Correia if (ztest_random(100) == 0) 4168d20e665cSRicardo M. Correia error = -1; 4169d20e665cSRicardo M. Correia 4170d20e665cSRicardo M. Correia if (!error) 4171d20e665cSRicardo M. Correia error = dmu_tx_assign(tx, TXG_NOWAIT); 4172d20e665cSRicardo M. Correia 4173d20e665cSRicardo M. Correia txg = error ? 0 : dmu_tx_get_txg(tx); 4174d20e665cSRicardo M. Correia 4175d20e665cSRicardo M. Correia cb_data[0]->zcd_txg = txg; 4176d20e665cSRicardo M. Correia cb_data[1] = ztest_create_cb_data(os, txg); 4177d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[1]); 4178d20e665cSRicardo M. Correia 4179d20e665cSRicardo M. Correia if (error) { 4180d20e665cSRicardo M. Correia /* 4181d20e665cSRicardo M. Correia * It's not a strict requirement to call the registered 4182d20e665cSRicardo M. Correia * callbacks from inside dmu_tx_abort(), but that's what 4183d20e665cSRicardo M. Correia * it's supposed to happen in the current implementation 4184d20e665cSRicardo M. Correia * so we will check for that. 4185d20e665cSRicardo M. Correia */ 4186d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4187d20e665cSRicardo M. Correia cb_data[i]->zcd_expected_err = ECANCELED; 4188d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4189d20e665cSRicardo M. Correia } 4190d20e665cSRicardo M. Correia 4191d20e665cSRicardo M. Correia dmu_tx_abort(tx); 4192d20e665cSRicardo M. Correia 4193d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4194d20e665cSRicardo M. Correia VERIFY(cb_data[i]->zcd_called); 4195d20e665cSRicardo M. Correia umem_free(cb_data[i], sizeof (ztest_cb_data_t)); 4196d20e665cSRicardo M. Correia } 4197d20e665cSRicardo M. Correia 4198d20e665cSRicardo M. Correia return; 4199d20e665cSRicardo M. Correia } 4200d20e665cSRicardo M. Correia 4201d20e665cSRicardo M. Correia cb_data[2] = ztest_create_cb_data(os, txg); 4202d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[2]); 4203d20e665cSRicardo M. Correia 4204d20e665cSRicardo M. Correia /* 4205d20e665cSRicardo M. Correia * Read existing data to make sure there isn't a future leak. 4206d20e665cSRicardo M. Correia */ 4207b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, od[0].od_object, 0, sizeof (uint64_t), 4208d20e665cSRicardo M. Correia &old_txg, DMU_READ_PREFETCH)); 4209d20e665cSRicardo M. Correia 4210d20e665cSRicardo M. Correia if (old_txg > txg) 4211d20e665cSRicardo M. Correia fatal(0, "future leak: got %" PRIu64 ", open txg is %" PRIu64, 4212d20e665cSRicardo M. Correia old_txg, txg); 4213d20e665cSRicardo M. Correia 4214b24ab676SJeff Bonwick dmu_write(os, od[0].od_object, 0, sizeof (uint64_t), &txg, tx); 4215d20e665cSRicardo M. Correia 4216d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4217d20e665cSRicardo M. Correia 4218d20e665cSRicardo M. Correia /* 4219d20e665cSRicardo M. Correia * Since commit callbacks don't have any ordering requirement and since 4220d20e665cSRicardo M. Correia * it is theoretically possible for a commit callback to be called 4221d20e665cSRicardo M. Correia * after an arbitrary amount of time has elapsed since its txg has been 4222d20e665cSRicardo M. Correia * synced, it is difficult to reliably determine whether a commit 4223d20e665cSRicardo M. Correia * callback hasn't been called due to high load or due to a flawed 4224d20e665cSRicardo M. Correia * implementation. 4225d20e665cSRicardo M. Correia * 4226d20e665cSRicardo M. Correia * In practice, we will assume that if after a certain number of txgs a 4227d20e665cSRicardo M. Correia * commit callback hasn't been called, then most likely there's an 4228d20e665cSRicardo M. Correia * implementation bug.. 4229d20e665cSRicardo M. Correia */ 4230d20e665cSRicardo M. Correia tmp_cb = list_head(&zcl.zcl_callbacks); 4231d20e665cSRicardo M. Correia if (tmp_cb != NULL && 4232d20e665cSRicardo M. Correia tmp_cb->zcd_txg > txg - ZTEST_COMMIT_CALLBACK_THRESH) { 4233d20e665cSRicardo M. Correia fatal(0, "Commit callback threshold exceeded, oldest txg: %" 4234d20e665cSRicardo M. Correia PRIu64 ", open txg: %" PRIu64 "\n", tmp_cb->zcd_txg, txg); 4235d20e665cSRicardo M. Correia } 4236d20e665cSRicardo M. Correia 4237d20e665cSRicardo M. Correia /* 4238d20e665cSRicardo M. Correia * Let's find the place to insert our callbacks. 4239d20e665cSRicardo M. Correia * 4240d20e665cSRicardo M. Correia * Even though the list is ordered by txg, it is possible for the 4241d20e665cSRicardo M. Correia * insertion point to not be the end because our txg may already be 4242d20e665cSRicardo M. Correia * quiescing at this point and other callbacks in the open txg 4243d20e665cSRicardo M. Correia * (from other objsets) may have sneaked in. 4244d20e665cSRicardo M. Correia */ 4245d20e665cSRicardo M. Correia tmp_cb = list_tail(&zcl.zcl_callbacks); 4246d20e665cSRicardo M. Correia while (tmp_cb != NULL && tmp_cb->zcd_txg > txg) 4247d20e665cSRicardo M. Correia tmp_cb = list_prev(&zcl.zcl_callbacks, tmp_cb); 4248d20e665cSRicardo M. Correia 4249d20e665cSRicardo M. Correia /* Add the 3 callbacks to the list */ 4250d20e665cSRicardo M. Correia for (i = 0; i < 3; i++) { 4251d20e665cSRicardo M. Correia if (tmp_cb == NULL) 4252d20e665cSRicardo M. Correia list_insert_head(&zcl.zcl_callbacks, cb_data[i]); 4253d20e665cSRicardo M. Correia else 4254d20e665cSRicardo M. Correia list_insert_after(&zcl.zcl_callbacks, tmp_cb, 4255d20e665cSRicardo M. Correia cb_data[i]); 4256d20e665cSRicardo M. Correia 4257d20e665cSRicardo M. Correia cb_data[i]->zcd_added = B_TRUE; 4258d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4259d20e665cSRicardo M. Correia 4260d20e665cSRicardo M. Correia tmp_cb = cb_data[i]; 4261d20e665cSRicardo M. Correia } 4262d20e665cSRicardo M. Correia 4263d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4264d20e665cSRicardo M. Correia 4265d20e665cSRicardo M. Correia dmu_tx_commit(tx); 4266d20e665cSRicardo M. Correia } 4267d20e665cSRicardo M. Correia 4268b24ab676SJeff Bonwick /* ARGSUSED */ 4269fa9e4066Sahrens void 4270b24ab676SJeff Bonwick ztest_dsl_prop_get_set(ztest_ds_t *zd, uint64_t id) 4271fa9e4066Sahrens { 4272b24ab676SJeff Bonwick zfs_prop_t proplist[] = { 4273b24ab676SJeff Bonwick ZFS_PROP_CHECKSUM, 4274b24ab676SJeff Bonwick ZFS_PROP_COMPRESSION, 4275b24ab676SJeff Bonwick ZFS_PROP_COPIES, 4276b24ab676SJeff Bonwick ZFS_PROP_DEDUP 4277b24ab676SJeff Bonwick }; 4278b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4279fa9e4066Sahrens 4280b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 4281fa9e4066Sahrens 4282b24ab676SJeff Bonwick for (int p = 0; p < sizeof (proplist) / sizeof (proplist[0]); p++) 4283b24ab676SJeff Bonwick (void) ztest_dsl_prop_set_uint64(zd->zd_name, proplist[p], 4284b24ab676SJeff Bonwick ztest_random_dsl_prop(proplist[p]), (int)ztest_random(2)); 4285fa9e4066Sahrens 4286b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4287b24ab676SJeff Bonwick } 4288fa9e4066Sahrens 4289b24ab676SJeff Bonwick /* ARGSUSED */ 4290b24ab676SJeff Bonwick void 4291b24ab676SJeff Bonwick ztest_spa_prop_get_set(ztest_ds_t *zd, uint64_t id) 4292b24ab676SJeff Bonwick { 4293b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4294b24ab676SJeff Bonwick nvlist_t *props = NULL; 4295ea8dc4b6Seschrock 4296b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 4297ea8dc4b6Seschrock 4298b24ab676SJeff Bonwick (void) ztest_spa_prop_set_uint64(zs, ZPOOL_PROP_DEDUPDITTO, 4299b24ab676SJeff Bonwick ZIO_DEDUPDITTO_MIN + ztest_random(ZIO_DEDUPDITTO_MIN)); 4300fa9e4066Sahrens 4301b24ab676SJeff Bonwick VERIFY3U(spa_prop_get(zs->zs_spa, &props), ==, 0); 4302fa9e4066Sahrens 4303b24ab676SJeff Bonwick if (zopt_verbose >= 6) 4304b24ab676SJeff Bonwick dump_nvlist(props, 4); 4305fa9e4066Sahrens 4306b24ab676SJeff Bonwick nvlist_free(props); 4307fa9e4066Sahrens 4308b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4309fa9e4066Sahrens } 4310fa9e4066Sahrens 43115c987a37SChris Kirby /* 43125c987a37SChris Kirby * Test snapshot hold/release and deferred destroy. 43135c987a37SChris Kirby */ 43145c987a37SChris Kirby void 4315b24ab676SJeff Bonwick ztest_dmu_snapshot_hold(ztest_ds_t *zd, uint64_t id) 43165c987a37SChris Kirby { 43175c987a37SChris Kirby int error; 4318b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 43195c987a37SChris Kirby objset_t *origin; 43205c987a37SChris Kirby char snapname[100]; 43215c987a37SChris Kirby char fullname[100]; 43225c987a37SChris Kirby char clonename[100]; 43235c987a37SChris Kirby char tag[100]; 43245c987a37SChris Kirby char osname[MAXNAMELEN]; 43255c987a37SChris Kirby 43265c987a37SChris Kirby (void) rw_rdlock(&ztest_shared->zs_name_lock); 43275c987a37SChris Kirby 43285c987a37SChris Kirby dmu_objset_name(os, osname); 43295c987a37SChris Kirby 4330b24ab676SJeff Bonwick (void) snprintf(snapname, 100, "sh1_%llu", id); 43315c987a37SChris Kirby (void) snprintf(fullname, 100, "%s@%s", osname, snapname); 4332b24ab676SJeff Bonwick (void) snprintf(clonename, 100, "%s/ch1_%llu", osname, id); 4333b24ab676SJeff Bonwick (void) snprintf(tag, 100, "%tag_%llu", id); 43345c987a37SChris Kirby 43355c987a37SChris Kirby /* 43365c987a37SChris Kirby * Clean up from any previous run. 43375c987a37SChris Kirby */ 43385c987a37SChris Kirby (void) dmu_objset_destroy(clonename, B_FALSE); 43395c987a37SChris Kirby (void) dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 43405c987a37SChris Kirby (void) dmu_objset_destroy(fullname, B_FALSE); 43415c987a37SChris Kirby 43425c987a37SChris Kirby /* 43435c987a37SChris Kirby * Create snapshot, clone it, mark snap for deferred destroy, 43445c987a37SChris Kirby * destroy clone, verify snap was also destroyed. 43455c987a37SChris Kirby */ 434699d5e173STim Haley error = dmu_objset_snapshot(osname, snapname, NULL, NULL, FALSE, 434799d5e173STim Haley FALSE, -1); 43485c987a37SChris Kirby if (error) { 43495c987a37SChris Kirby if (error == ENOSPC) { 43505c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 43515c987a37SChris Kirby goto out; 43525c987a37SChris Kirby } 43535c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 43545c987a37SChris Kirby } 43555c987a37SChris Kirby 43565c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 43575c987a37SChris Kirby if (error) 43585c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 43595c987a37SChris Kirby 43605c987a37SChris Kirby error = dmu_objset_clone(clonename, dmu_objset_ds(origin), 0); 43615c987a37SChris Kirby dmu_objset_rele(origin, FTAG); 43625c987a37SChris Kirby if (error) { 43635c987a37SChris Kirby if (error == ENOSPC) { 43645c987a37SChris Kirby ztest_record_enospc("dmu_objset_clone"); 43655c987a37SChris Kirby goto out; 43665c987a37SChris Kirby } 43675c987a37SChris Kirby fatal(0, "dmu_objset_clone(%s) = %d", clonename, error); 43685c987a37SChris Kirby } 43695c987a37SChris Kirby 43705c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 43715c987a37SChris Kirby if (error) { 43725c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 43735c987a37SChris Kirby fullname, error); 43745c987a37SChris Kirby } 43755c987a37SChris Kirby 43765c987a37SChris Kirby error = dmu_objset_destroy(clonename, B_FALSE); 43775c987a37SChris Kirby if (error) 43785c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s) = %d", clonename, error); 43795c987a37SChris Kirby 43805c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 43815c987a37SChris Kirby if (error != ENOENT) 43825c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 43835c987a37SChris Kirby 43845c987a37SChris Kirby /* 43855c987a37SChris Kirby * Create snapshot, add temporary hold, verify that we can't 43865c987a37SChris Kirby * destroy a held snapshot, mark for deferred destroy, 43875c987a37SChris Kirby * release hold, verify snapshot was destroyed. 43885c987a37SChris Kirby */ 438999d5e173STim Haley error = dmu_objset_snapshot(osname, snapname, NULL, NULL, FALSE, 439099d5e173STim Haley FALSE, -1); 43915c987a37SChris Kirby if (error) { 43925c987a37SChris Kirby if (error == ENOSPC) { 43935c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 43945c987a37SChris Kirby goto out; 43955c987a37SChris Kirby } 43965c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 43975c987a37SChris Kirby } 43985c987a37SChris Kirby 4399c99e4bdcSChris Kirby error = dsl_dataset_user_hold(osname, snapname, tag, B_FALSE, 4400c99e4bdcSChris Kirby B_TRUE, -1); 44015c987a37SChris Kirby if (error) 44025c987a37SChris Kirby fatal(0, "dsl_dataset_user_hold(%s)", fullname, tag); 44035c987a37SChris Kirby 44045c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_FALSE); 44055c987a37SChris Kirby if (error != EBUSY) { 44065c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_FALSE) = %d", 44075c987a37SChris Kirby fullname, error); 44085c987a37SChris Kirby } 44095c987a37SChris Kirby 44105c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 44115c987a37SChris Kirby if (error) { 44125c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 44135c987a37SChris Kirby fullname, error); 44145c987a37SChris Kirby } 44155c987a37SChris Kirby 44165c987a37SChris Kirby error = dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 44175c987a37SChris Kirby if (error) 44185c987a37SChris Kirby fatal(0, "dsl_dataset_user_release(%s)", fullname, tag); 44195c987a37SChris Kirby 44205c987a37SChris Kirby VERIFY(dmu_objset_hold(fullname, FTAG, &origin) == ENOENT); 44215c987a37SChris Kirby 44225c987a37SChris Kirby out: 44235c987a37SChris Kirby (void) rw_unlock(&ztest_shared->zs_name_lock); 44245c987a37SChris Kirby } 44255c987a37SChris Kirby 4426fa9e4066Sahrens /* 4427fa9e4066Sahrens * Inject random faults into the on-disk data. 4428fa9e4066Sahrens */ 4429b24ab676SJeff Bonwick /* ARGSUSED */ 4430fa9e4066Sahrens void 4431b24ab676SJeff Bonwick ztest_fault_inject(ztest_ds_t *zd, uint64_t id) 4432fa9e4066Sahrens { 4433b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4434b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 4435fa9e4066Sahrens int fd; 4436fa9e4066Sahrens uint64_t offset; 44371195e687SMark J Musante uint64_t leaves; 4438fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 4439fa9e4066Sahrens uint64_t top, leaf; 4440fa9e4066Sahrens char path0[MAXPATHLEN]; 4441fa9e4066Sahrens char pathrand[MAXPATHLEN]; 4442fa9e4066Sahrens size_t fsize; 4443fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 4444fa9e4066Sahrens int iters = 1000; 44451195e687SMark J Musante int maxfaults; 44461195e687SMark J Musante int mirror_save; 4447e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 4448ea8dc4b6Seschrock uint64_t guid0 = 0; 44498f18d1faSGeorge Wilson boolean_t islog = B_FALSE; 4450ea8dc4b6Seschrock 44511195e687SMark J Musante VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 44521195e687SMark J Musante maxfaults = MAXFAULTS(); 44531195e687SMark J Musante leaves = MAX(zs->zs_mirrors, 1) * zopt_raidz; 44541195e687SMark J Musante mirror_save = zs->zs_mirrors; 44551195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 44561195e687SMark J Musante 4457e14bb325SJeff Bonwick ASSERT(leaves >= 1); 4458fa9e4066Sahrens 4459fa9e4066Sahrens /* 4460e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 4461fa9e4066Sahrens */ 4462e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 4463fa9e4066Sahrens 4464e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 4465e14bb325SJeff Bonwick /* 4466b24ab676SJeff Bonwick * Inject errors on a normal data device or slog device. 4467e14bb325SJeff Bonwick */ 4468b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 44691195e687SMark J Musante leaf = ztest_random(leaves) + zs->zs_splits; 4470fa9e4066Sahrens 4471e14bb325SJeff Bonwick /* 4472e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 4473e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 4474e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 4475e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 4476e14bb325SJeff Bonwick */ 4477e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 44781195e687SMark J Musante zopt_dir, zopt_pool, top * leaves + zs->zs_splits); 4479e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 4480e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 4481fa9e4066Sahrens 4482e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 44838f18d1faSGeorge Wilson if (vd0 != NULL && vd0->vdev_top->vdev_islog) 44848f18d1faSGeorge Wilson islog = B_TRUE; 44858f18d1faSGeorge Wilson 4486e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 4487e14bb325SJeff Bonwick /* 4488e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 4489e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 4490e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 4491e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 4492e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 4493e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 4494e14bb325SJeff Bonwick * combination of this with injection of random data 4495e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 4496e14bb325SJeff Bonwick */ 4497e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 4498e14bb325SJeff Bonwick 4499e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 4500e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 4501e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 4502e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 4503e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 4504e14bb325SJeff Bonwick } else { 4505e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 4506e14bb325SJeff Bonwick } 4507e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 4508e14bb325SJeff Bonwick } 4509e14bb325SJeff Bonwick } else { 4510e14bb325SJeff Bonwick /* 4511e14bb325SJeff Bonwick * Inject errors on an l2cache device. 4512e14bb325SJeff Bonwick */ 4513e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 4514fa9e4066Sahrens 4515e14bb325SJeff Bonwick if (sav->sav_count == 0) { 4516e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4517e14bb325SJeff Bonwick return; 4518e14bb325SJeff Bonwick } 4519e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 4520ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 4521e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 4522e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 4523e14bb325SJeff Bonwick 4524e14bb325SJeff Bonwick leaf = 0; 4525e14bb325SJeff Bonwick leaves = 1; 4526e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 4527fa9e4066Sahrens } 4528fa9e4066Sahrens 4529e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4530e14bb325SJeff Bonwick 4531fa9e4066Sahrens /* 45328f18d1faSGeorge Wilson * If we can tolerate two or more faults, or we're dealing 45338f18d1faSGeorge Wilson * with a slog, randomly online/offline vd0. 4534fa9e4066Sahrens */ 45358f18d1faSGeorge Wilson if ((maxfaults >= 2 || islog) && guid0 != 0) { 45368ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 45378ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 45388ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 45398f18d1faSGeorge Wilson 45408f18d1faSGeorge Wilson /* 45418f18d1faSGeorge Wilson * We have to grab the zs_name_lock as writer to 45428f18d1faSGeorge Wilson * prevent a race between offlining a slog and 45438f18d1faSGeorge Wilson * destroying a dataset. Offlining the slog will 45448f18d1faSGeorge Wilson * grab a reference on the dataset which may cause 45458f18d1faSGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 45468f18d1faSGeorge Wilson * leaving the dataset in an inconsistent state. 45478f18d1faSGeorge Wilson */ 45488f18d1faSGeorge Wilson if (islog) 45498f18d1faSGeorge Wilson (void) rw_wrlock(&ztest_shared->zs_name_lock); 45508f18d1faSGeorge Wilson 45518ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 45528f18d1faSGeorge Wilson 45538f18d1faSGeorge Wilson if (islog) 45548f18d1faSGeorge Wilson (void) rw_unlock(&ztest_shared->zs_name_lock); 45558ad4d6ddSJeff Bonwick } else { 45568ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 45578ad4d6ddSJeff Bonwick } 4558fa9e4066Sahrens } 4559fa9e4066Sahrens 45608f18d1faSGeorge Wilson if (maxfaults == 0) 45618f18d1faSGeorge Wilson return; 45628f18d1faSGeorge Wilson 4563fa9e4066Sahrens /* 4564ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 4565fa9e4066Sahrens */ 4566fa9e4066Sahrens fd = open(pathrand, O_RDWR); 4567fa9e4066Sahrens 4568fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 4569fa9e4066Sahrens return; 4570fa9e4066Sahrens 4571fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 4572fa9e4066Sahrens 4573fa9e4066Sahrens while (--iters != 0) { 4574fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 4575fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 4576fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 4577fa9e4066Sahrens 4578fa9e4066Sahrens if (offset >= fsize) 4579fa9e4066Sahrens continue; 4580fa9e4066Sahrens 45811195e687SMark J Musante VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 45821195e687SMark J Musante if (mirror_save != zs->zs_mirrors) { 45831195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 45841195e687SMark J Musante (void) close(fd); 45851195e687SMark J Musante return; 45861195e687SMark J Musante } 4587fa9e4066Sahrens 4588fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 4589fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 4590fa9e4066Sahrens offset, pathrand); 45911195e687SMark J Musante 45921195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 45931195e687SMark J Musante 45941195e687SMark J Musante if (zopt_verbose >= 7) 45951195e687SMark J Musante (void) printf("injected bad word into %s," 45961195e687SMark J Musante " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 4597fa9e4066Sahrens } 4598fa9e4066Sahrens 4599fa9e4066Sahrens (void) close(fd); 4600fa9e4066Sahrens } 4601fa9e4066Sahrens 4602fa9e4066Sahrens /* 4603b24ab676SJeff Bonwick * Verify that DDT repair works as expected. 4604fa9e4066Sahrens */ 4605fa9e4066Sahrens void 4606b24ab676SJeff Bonwick ztest_ddt_repair(ztest_ds_t *zd, uint64_t id) 4607fa9e4066Sahrens { 4608b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4609b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 4610b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4611b24ab676SJeff Bonwick ztest_od_t od[1]; 4612b24ab676SJeff Bonwick uint64_t object, blocksize, txg, pattern, psize; 4613b24ab676SJeff Bonwick enum zio_checksum checksum = spa_dedup_checksum(spa); 4614b24ab676SJeff Bonwick dmu_buf_t *db; 4615b24ab676SJeff Bonwick dmu_tx_t *tx; 4616b24ab676SJeff Bonwick void *buf; 4617b24ab676SJeff Bonwick blkptr_t blk; 4618b24ab676SJeff Bonwick int copies = 2 * ZIO_DEDUPDITTO_MIN; 4619fa9e4066Sahrens 4620b24ab676SJeff Bonwick blocksize = ztest_random_blocksize(); 4621b24ab676SJeff Bonwick blocksize = MIN(blocksize, 2048); /* because we write so many */ 4622fa9e4066Sahrens 4623b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 4624fa9e4066Sahrens 4625b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4626b24ab676SJeff Bonwick return; 4627fa9e4066Sahrens 4628fa9e4066Sahrens /* 4629b24ab676SJeff Bonwick * Take the name lock as writer to prevent anyone else from changing 4630b24ab676SJeff Bonwick * the pool and dataset properies we need to maintain during this test. 4631fa9e4066Sahrens */ 4632b24ab676SJeff Bonwick (void) rw_wrlock(&zs->zs_name_lock); 4633fa9e4066Sahrens 4634b24ab676SJeff Bonwick if (ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_DEDUP, checksum, 4635b24ab676SJeff Bonwick B_FALSE) != 0 || 4636b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_COPIES, 1, 4637b24ab676SJeff Bonwick B_FALSE) != 0) { 4638b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4639b24ab676SJeff Bonwick return; 4640b24ab676SJeff Bonwick } 4641b24ab676SJeff Bonwick 4642b24ab676SJeff Bonwick object = od[0].od_object; 4643b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 4644b24ab676SJeff Bonwick pattern = spa_guid(spa) ^ dmu_objset_fsid_guid(os); 4645b24ab676SJeff Bonwick 4646b24ab676SJeff Bonwick ASSERT(object != 0); 4647b24ab676SJeff Bonwick 4648b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4649b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, 0, copies * blocksize); 4650b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 4651b24ab676SJeff Bonwick if (txg == 0) { 4652b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4653b24ab676SJeff Bonwick return; 4654b24ab676SJeff Bonwick } 4655fa9e4066Sahrens 4656fa9e4066Sahrens /* 4657b24ab676SJeff Bonwick * Write all the copies of our block. 4658fa9e4066Sahrens */ 4659b24ab676SJeff Bonwick for (int i = 0; i < copies; i++) { 4660b24ab676SJeff Bonwick uint64_t offset = i * blocksize; 466147cb52daSJeff Bonwick VERIFY(dmu_buf_hold(os, object, offset, FTAG, &db, 466247cb52daSJeff Bonwick DMU_READ_NO_PREFETCH) == 0); 4663b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 4664b24ab676SJeff Bonwick ASSERT(db->db_size == blocksize); 4665b24ab676SJeff Bonwick ASSERT(ztest_pattern_match(db->db_data, db->db_size, pattern) || 4666b24ab676SJeff Bonwick ztest_pattern_match(db->db_data, db->db_size, 0ULL)); 4667b24ab676SJeff Bonwick dmu_buf_will_fill(db, tx); 4668b24ab676SJeff Bonwick ztest_pattern_set(db->db_data, db->db_size, pattern); 4669b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4670b24ab676SJeff Bonwick } 4671fa9e4066Sahrens 4672b24ab676SJeff Bonwick dmu_tx_commit(tx); 4673b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), txg); 4674fa9e4066Sahrens 4675fa9e4066Sahrens /* 4676b24ab676SJeff Bonwick * Find out what block we got. 4677fa9e4066Sahrens */ 467847cb52daSJeff Bonwick VERIFY(dmu_buf_hold(os, object, 0, FTAG, &db, 467947cb52daSJeff Bonwick DMU_READ_NO_PREFETCH) == 0); 4680b24ab676SJeff Bonwick blk = *((dmu_buf_impl_t *)db)->db_blkptr; 4681b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4682fa9e4066Sahrens 4683fa9e4066Sahrens /* 4684b24ab676SJeff Bonwick * Damage the block. Dedup-ditto will save us when we read it later. 4685fa9e4066Sahrens */ 4686b24ab676SJeff Bonwick psize = BP_GET_PSIZE(&blk); 4687b24ab676SJeff Bonwick buf = zio_buf_alloc(psize); 4688b24ab676SJeff Bonwick ztest_pattern_set(buf, psize, ~pattern); 4689fa9e4066Sahrens 4690b24ab676SJeff Bonwick (void) zio_wait(zio_rewrite(NULL, spa, 0, &blk, 4691b24ab676SJeff Bonwick buf, psize, NULL, NULL, ZIO_PRIORITY_SYNC_WRITE, 4692b24ab676SJeff Bonwick ZIO_FLAG_CANFAIL | ZIO_FLAG_INDUCE_DAMAGE, NULL)); 4693fa9e4066Sahrens 4694b24ab676SJeff Bonwick zio_buf_free(buf, psize); 4695fa9e4066Sahrens 4696b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4697fa9e4066Sahrens } 4698fa9e4066Sahrens 4699fa9e4066Sahrens /* 4700b24ab676SJeff Bonwick * Scrub the pool. 4701fa9e4066Sahrens */ 4702b24ab676SJeff Bonwick /* ARGSUSED */ 4703b24ab676SJeff Bonwick void 4704b24ab676SJeff Bonwick ztest_scrub(ztest_ds_t *zd, uint64_t id) 4705fa9e4066Sahrens { 4706b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4707b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 4708fa9e4066Sahrens 47093f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 4710b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); /* wait a moment, then force a restart */ 47113f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 4712b24ab676SJeff Bonwick } 4713fa9e4066Sahrens 4714b24ab676SJeff Bonwick /* 4715b24ab676SJeff Bonwick * Rename the pool to a different name and then rename it back. 4716b24ab676SJeff Bonwick */ 4717b24ab676SJeff Bonwick /* ARGSUSED */ 4718b24ab676SJeff Bonwick void 4719b24ab676SJeff Bonwick ztest_spa_rename(ztest_ds_t *zd, uint64_t id) 4720b24ab676SJeff Bonwick { 4721b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4722b24ab676SJeff Bonwick char *oldname, *newname; 4723b24ab676SJeff Bonwick spa_t *spa; 4724fa9e4066Sahrens 4725b24ab676SJeff Bonwick (void) rw_wrlock(&zs->zs_name_lock); 4726fa9e4066Sahrens 4727b24ab676SJeff Bonwick oldname = zs->zs_pool; 4728b24ab676SJeff Bonwick newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 4729b24ab676SJeff Bonwick (void) strcpy(newname, oldname); 4730b24ab676SJeff Bonwick (void) strcat(newname, "_tmp"); 4731fa9e4066Sahrens 4732fa9e4066Sahrens /* 4733b24ab676SJeff Bonwick * Do the rename 4734fa9e4066Sahrens */ 4735b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_rename(oldname, newname)); 4736fa9e4066Sahrens 4737fa9e4066Sahrens /* 4738b24ab676SJeff Bonwick * Try to open it under the old name, which shouldn't exist 4739fa9e4066Sahrens */ 4740b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 4741fa9e4066Sahrens 4742fa9e4066Sahrens /* 4743b24ab676SJeff Bonwick * Open it under the new name and make sure it's still the same spa_t. 4744fa9e4066Sahrens */ 4745b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 4746fa9e4066Sahrens 4747b24ab676SJeff Bonwick ASSERT(spa == zs->zs_spa); 4748b24ab676SJeff Bonwick spa_close(spa, FTAG); 4749fa9e4066Sahrens 4750b24ab676SJeff Bonwick /* 4751b24ab676SJeff Bonwick * Rename it back to the original 4752b24ab676SJeff Bonwick */ 4753b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_rename(newname, oldname)); 4754fa9e4066Sahrens 4755fa9e4066Sahrens /* 4756b24ab676SJeff Bonwick * Make sure it can still be opened 4757fa9e4066Sahrens */ 4758b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 4759fa9e4066Sahrens 4760b24ab676SJeff Bonwick ASSERT(spa == zs->zs_spa); 4761b24ab676SJeff Bonwick spa_close(spa, FTAG); 4762fa9e4066Sahrens 4763b24ab676SJeff Bonwick umem_free(newname, strlen(newname) + 1); 4764b24ab676SJeff Bonwick 4765b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4766fa9e4066Sahrens } 4767fa9e4066Sahrens 4768b24ab676SJeff Bonwick /* 4769b24ab676SJeff Bonwick * Verify pool integrity by running zdb. 4770b24ab676SJeff Bonwick */ 4771fa9e4066Sahrens static void 4772b24ab676SJeff Bonwick ztest_run_zdb(char *pool) 4773fa9e4066Sahrens { 4774fa9e4066Sahrens int status; 4775fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 4776fa9e4066Sahrens char zbuf[1024]; 4777fa9e4066Sahrens char *bin; 47788654d025Sperrin char *ztest; 47798654d025Sperrin char *isa; 47808654d025Sperrin int isalen; 4781fa9e4066Sahrens FILE *fp; 4782fa9e4066Sahrens 4783fa9e4066Sahrens (void) realpath(getexecname(), zdb); 4784fa9e4066Sahrens 4785fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 4786fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 47878654d025Sperrin ztest = strstr(bin, "/ztest"); 47888654d025Sperrin isa = bin + 8; 47898654d025Sperrin isalen = ztest - isa; 47908654d025Sperrin isa = strdup(isa); 4791fa9e4066Sahrens /* LINTED */ 47923a57275aSck (void) sprintf(bin, 4793f0ba89beSJeff Bonwick "/usr/sbin%.*s/zdb -bcc%s%s -U %s %s", 47948654d025Sperrin isalen, 47958654d025Sperrin isa, 4796fa9e4066Sahrens zopt_verbose >= 3 ? "s" : "", 4797fa9e4066Sahrens zopt_verbose >= 4 ? "v" : "", 4798f0ba89beSJeff Bonwick spa_config_path, 479988b7b0f2SMatthew Ahrens pool); 48008654d025Sperrin free(isa); 4801fa9e4066Sahrens 4802fa9e4066Sahrens if (zopt_verbose >= 5) 4803fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 4804fa9e4066Sahrens 4805fa9e4066Sahrens fp = popen(zdb, "r"); 4806fa9e4066Sahrens 4807fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 4808fa9e4066Sahrens if (zopt_verbose >= 3) 4809fa9e4066Sahrens (void) printf("%s", zbuf); 4810fa9e4066Sahrens 4811fa9e4066Sahrens status = pclose(fp); 4812fa9e4066Sahrens 4813fa9e4066Sahrens if (status == 0) 4814fa9e4066Sahrens return; 4815fa9e4066Sahrens 4816fa9e4066Sahrens ztest_dump_core = 0; 4817fa9e4066Sahrens if (WIFEXITED(status)) 4818fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 4819fa9e4066Sahrens else 4820fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 4821fa9e4066Sahrens } 4822fa9e4066Sahrens 4823fa9e4066Sahrens static void 4824fa9e4066Sahrens ztest_walk_pool_directory(char *header) 4825fa9e4066Sahrens { 4826fa9e4066Sahrens spa_t *spa = NULL; 4827fa9e4066Sahrens 4828fa9e4066Sahrens if (zopt_verbose >= 6) 4829fa9e4066Sahrens (void) printf("%s\n", header); 4830fa9e4066Sahrens 4831fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 4832fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 4833fa9e4066Sahrens if (zopt_verbose >= 6) 4834fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 4835fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 4836fa9e4066Sahrens } 4837fa9e4066Sahrens 4838fa9e4066Sahrens static void 4839fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 4840fa9e4066Sahrens { 48418ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 4842fa9e4066Sahrens uint64_t pool_guid; 4843fa9e4066Sahrens spa_t *spa; 4844fa9e4066Sahrens 4845fa9e4066Sahrens if (zopt_verbose >= 4) { 4846fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 4847fa9e4066Sahrens oldname, newname); 4848fa9e4066Sahrens } 4849fa9e4066Sahrens 4850fa9e4066Sahrens /* 4851fa9e4066Sahrens * Clean up from previous runs. 4852fa9e4066Sahrens */ 4853fa9e4066Sahrens (void) spa_destroy(newname); 4854fa9e4066Sahrens 4855fa9e4066Sahrens /* 4856fa9e4066Sahrens * Get the pool's configuration and guid. 4857fa9e4066Sahrens */ 4858b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 4859fa9e4066Sahrens 48608ad4d6ddSJeff Bonwick /* 48618ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 48628ad4d6ddSJeff Bonwick */ 48638ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 48643f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 48658ad4d6ddSJeff Bonwick 4866fa9e4066Sahrens pool_guid = spa_guid(spa); 4867fa9e4066Sahrens spa_close(spa, FTAG); 4868fa9e4066Sahrens 4869fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 4870fa9e4066Sahrens 4871fa9e4066Sahrens /* 4872fa9e4066Sahrens * Export it. 4873fa9e4066Sahrens */ 4874b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_export(oldname, &config, B_FALSE, B_FALSE)); 4875fa9e4066Sahrens 4876fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 4877fa9e4066Sahrens 48788ad4d6ddSJeff Bonwick /* 48798ad4d6ddSJeff Bonwick * Try to import it. 48808ad4d6ddSJeff Bonwick */ 48818ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 48828ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 48838ad4d6ddSJeff Bonwick nvlist_free(newconfig); 48848ad4d6ddSJeff Bonwick 4885fa9e4066Sahrens /* 4886fa9e4066Sahrens * Import it under the new name. 4887fa9e4066Sahrens */ 48884b964adaSGeorge Wilson VERIFY3U(0, ==, spa_import(newname, config, NULL, 0)); 4889fa9e4066Sahrens 4890fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 4891fa9e4066Sahrens 4892fa9e4066Sahrens /* 4893fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 4894fa9e4066Sahrens */ 48954b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(newname, config, NULL, 0)); 4896fa9e4066Sahrens 4897fa9e4066Sahrens /* 4898fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 4899fa9e4066Sahrens */ 49004b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(oldname, config, NULL, 0)); 4901fa9e4066Sahrens 4902fa9e4066Sahrens /* 4903fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 4904fa9e4066Sahrens */ 4905b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 4906fa9e4066Sahrens 4907fa9e4066Sahrens /* 4908fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 4909fa9e4066Sahrens */ 4910b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 4911fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 4912fa9e4066Sahrens spa_close(spa, FTAG); 4913fa9e4066Sahrens 4914fa9e4066Sahrens nvlist_free(config); 4915fa9e4066Sahrens } 4916fa9e4066Sahrens 49178ad4d6ddSJeff Bonwick static void 49188ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 49198ad4d6ddSJeff Bonwick { 4920b24ab676SJeff Bonwick if (spa_suspended(spa) && zopt_verbose >= 6) 4921b24ab676SJeff Bonwick (void) printf("resuming from suspended state\n"); 4922b24ab676SJeff Bonwick spa_vdev_state_enter(spa, SCL_NONE); 4923b24ab676SJeff Bonwick vdev_clear(spa, NULL); 4924b24ab676SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 4925b24ab676SJeff Bonwick (void) zio_resume(spa); 49268ad4d6ddSJeff Bonwick } 49278ad4d6ddSJeff Bonwick 49280a4e9518Sgw static void * 49298ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 49300a4e9518Sgw { 4931e14bb325SJeff Bonwick spa_t *spa = arg; 49320a4e9518Sgw 49330a4e9518Sgw while (!ztest_exiting) { 4934b24ab676SJeff Bonwick if (spa_suspended(spa)) 4935b24ab676SJeff Bonwick ztest_resume(spa); 4936b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 49370a4e9518Sgw } 49380a4e9518Sgw return (NULL); 49390a4e9518Sgw } 49400a4e9518Sgw 4941b24ab676SJeff Bonwick static void * 4942b24ab676SJeff Bonwick ztest_deadman_thread(void *arg) 4943b24ab676SJeff Bonwick { 4944b24ab676SJeff Bonwick ztest_shared_t *zs = arg; 4945b24ab676SJeff Bonwick int grace = 300; 4946b24ab676SJeff Bonwick hrtime_t delta; 4947b24ab676SJeff Bonwick 4948b24ab676SJeff Bonwick delta = (zs->zs_thread_stop - zs->zs_thread_start) / NANOSEC + grace; 4949b24ab676SJeff Bonwick 4950b24ab676SJeff Bonwick (void) poll(NULL, 0, (int)(1000 * delta)); 4951b24ab676SJeff Bonwick 4952b24ab676SJeff Bonwick fatal(0, "failed to complete within %d seconds of deadline", grace); 4953b24ab676SJeff Bonwick 4954b24ab676SJeff Bonwick return (NULL); 4955b24ab676SJeff Bonwick } 4956b24ab676SJeff Bonwick 4957b24ab676SJeff Bonwick static void 4958b24ab676SJeff Bonwick ztest_execute(ztest_info_t *zi, uint64_t id) 4959b24ab676SJeff Bonwick { 4960b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4961b24ab676SJeff Bonwick ztest_ds_t *zd = &zs->zs_zd[id % zopt_datasets]; 4962b24ab676SJeff Bonwick hrtime_t functime = gethrtime(); 4963b24ab676SJeff Bonwick 4964b24ab676SJeff Bonwick for (int i = 0; i < zi->zi_iters; i++) 4965b24ab676SJeff Bonwick zi->zi_func(zd, id); 4966b24ab676SJeff Bonwick 4967b24ab676SJeff Bonwick functime = gethrtime() - functime; 4968b24ab676SJeff Bonwick 4969b24ab676SJeff Bonwick atomic_add_64(&zi->zi_call_count, 1); 4970b24ab676SJeff Bonwick atomic_add_64(&zi->zi_call_time, functime); 4971b24ab676SJeff Bonwick 4972b24ab676SJeff Bonwick if (zopt_verbose >= 4) { 4973b24ab676SJeff Bonwick Dl_info dli; 4974b24ab676SJeff Bonwick (void) dladdr((void *)zi->zi_func, &dli); 4975b24ab676SJeff Bonwick (void) printf("%6.2f sec in %s\n", 4976b24ab676SJeff Bonwick (double)functime / NANOSEC, dli.dli_sname); 4977b24ab676SJeff Bonwick } 4978b24ab676SJeff Bonwick } 4979b24ab676SJeff Bonwick 4980fa9e4066Sahrens static void * 4981fa9e4066Sahrens ztest_thread(void *arg) 4982fa9e4066Sahrens { 4983b24ab676SJeff Bonwick uint64_t id = (uintptr_t)arg; 4984fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 4985b24ab676SJeff Bonwick uint64_t call_next; 4986b24ab676SJeff Bonwick hrtime_t now; 4987fa9e4066Sahrens ztest_info_t *zi; 4988fa9e4066Sahrens 4989b24ab676SJeff Bonwick while ((now = gethrtime()) < zs->zs_thread_stop) { 4990fa9e4066Sahrens /* 4991fa9e4066Sahrens * See if it's time to force a crash. 4992fa9e4066Sahrens */ 4993b24ab676SJeff Bonwick if (now > zs->zs_thread_kill) 4994b24ab676SJeff Bonwick ztest_kill(zs); 4995fa9e4066Sahrens 4996fa9e4066Sahrens /* 4997b24ab676SJeff Bonwick * If we're getting ENOSPC with some regularity, stop. 4998fa9e4066Sahrens */ 4999b24ab676SJeff Bonwick if (zs->zs_enospc_count > 10) 5000b24ab676SJeff Bonwick break; 5001fa9e4066Sahrens 5002fa9e4066Sahrens /* 5003b24ab676SJeff Bonwick * Pick a random function to execute. 5004fa9e4066Sahrens */ 5005b24ab676SJeff Bonwick zi = &zs->zs_info[ztest_random(ZTEST_FUNCS)]; 5006b24ab676SJeff Bonwick call_next = zi->zi_call_next; 5007b24ab676SJeff Bonwick 5008b24ab676SJeff Bonwick if (now >= call_next && 5009b24ab676SJeff Bonwick atomic_cas_64(&zi->zi_call_next, call_next, call_next + 5010b24ab676SJeff Bonwick ztest_random(2 * zi->zi_interval[0] + 1)) == call_next) 5011b24ab676SJeff Bonwick ztest_execute(zi, id); 5012b24ab676SJeff Bonwick } 5013fa9e4066Sahrens 5014b24ab676SJeff Bonwick return (NULL); 5015b24ab676SJeff Bonwick } 5016fa9e4066Sahrens 5017b24ab676SJeff Bonwick static void 5018b24ab676SJeff Bonwick ztest_dataset_name(char *dsname, char *pool, int d) 5019b24ab676SJeff Bonwick { 5020b24ab676SJeff Bonwick (void) snprintf(dsname, MAXNAMELEN, "%s/ds_%d", pool, d); 5021b24ab676SJeff Bonwick } 5022fa9e4066Sahrens 5023b24ab676SJeff Bonwick static void 5024b24ab676SJeff Bonwick ztest_dataset_destroy(ztest_shared_t *zs, int d) 5025b24ab676SJeff Bonwick { 5026b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5027fa9e4066Sahrens 5028b24ab676SJeff Bonwick ztest_dataset_name(name, zs->zs_pool, d); 5029fa9e4066Sahrens 5030b24ab676SJeff Bonwick if (zopt_verbose >= 3) 5031b24ab676SJeff Bonwick (void) printf("Destroying %s to free up space\n", name); 5032fa9e4066Sahrens 5033b24ab676SJeff Bonwick /* 5034b24ab676SJeff Bonwick * Cleanup any non-standard clones and snapshots. In general, 5035b24ab676SJeff Bonwick * ztest thread t operates on dataset (t % zopt_datasets), 5036b24ab676SJeff Bonwick * so there may be more than one thing to clean up. 5037b24ab676SJeff Bonwick */ 5038b24ab676SJeff Bonwick for (int t = d; t < zopt_threads; t += zopt_datasets) 5039b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(name, t); 5040fa9e4066Sahrens 5041b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 5042b24ab676SJeff Bonwick DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 5043b24ab676SJeff Bonwick } 5044b24ab676SJeff Bonwick 5045b24ab676SJeff Bonwick static void 5046b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(ztest_ds_t *zd) 5047b24ab676SJeff Bonwick { 5048b24ab676SJeff Bonwick uint64_t usedobjs, dirobjs, scratch; 5049b24ab676SJeff Bonwick 5050b24ab676SJeff Bonwick /* 5051b24ab676SJeff Bonwick * ZTEST_DIROBJ is the object directory for the entire dataset. 5052b24ab676SJeff Bonwick * Therefore, the number of objects in use should equal the 5053b24ab676SJeff Bonwick * number of ZTEST_DIROBJ entries, +1 for ZTEST_DIROBJ itself. 5054b24ab676SJeff Bonwick * If not, we have an object leak. 5055b24ab676SJeff Bonwick * 5056b24ab676SJeff Bonwick * Note that we can only check this in ztest_dataset_open(), 5057b24ab676SJeff Bonwick * when the open-context and syncing-context values agree. 5058b24ab676SJeff Bonwick * That's because zap_count() returns the open-context value, 5059b24ab676SJeff Bonwick * while dmu_objset_space() returns the rootbp fill count. 5060b24ab676SJeff Bonwick */ 5061b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_count(zd->zd_os, ZTEST_DIROBJ, &dirobjs)); 5062b24ab676SJeff Bonwick dmu_objset_space(zd->zd_os, &scratch, &scratch, &usedobjs, &scratch); 5063b24ab676SJeff Bonwick ASSERT3U(dirobjs + 1, ==, usedobjs); 5064b24ab676SJeff Bonwick } 5065b24ab676SJeff Bonwick 5066b24ab676SJeff Bonwick static int 5067b24ab676SJeff Bonwick ztest_dataset_open(ztest_shared_t *zs, int d) 5068b24ab676SJeff Bonwick { 5069b24ab676SJeff Bonwick ztest_ds_t *zd = &zs->zs_zd[d]; 5070b24ab676SJeff Bonwick uint64_t committed_seq = zd->zd_seq; 5071b24ab676SJeff Bonwick objset_t *os; 5072b24ab676SJeff Bonwick zilog_t *zilog; 5073b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5074b24ab676SJeff Bonwick int error; 5075b24ab676SJeff Bonwick 5076b24ab676SJeff Bonwick ztest_dataset_name(name, zs->zs_pool, d); 5077b24ab676SJeff Bonwick 5078b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 5079b24ab676SJeff Bonwick 508055da60b9SMark J Musante error = ztest_dataset_create(name); 5081b24ab676SJeff Bonwick if (error == ENOSPC) { 5082b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 5083b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 5084b24ab676SJeff Bonwick return (error); 5085fa9e4066Sahrens } 5086b24ab676SJeff Bonwick ASSERT(error == 0 || error == EEXIST); 5087fa9e4066Sahrens 5088b24ab676SJeff Bonwick VERIFY3U(dmu_objset_hold(name, zd, &os), ==, 0); 5089b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 5090b24ab676SJeff Bonwick 5091b24ab676SJeff Bonwick ztest_zd_init(zd, os); 5092b24ab676SJeff Bonwick 5093b24ab676SJeff Bonwick zilog = zd->zd_zilog; 5094b24ab676SJeff Bonwick 5095b24ab676SJeff Bonwick if (zilog->zl_header->zh_claim_lr_seq != 0 && 5096b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq < committed_seq) 5097b24ab676SJeff Bonwick fatal(0, "missing log records: claimed %llu < committed %llu", 5098b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq, committed_seq); 5099b24ab676SJeff Bonwick 5100b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5101b24ab676SJeff Bonwick 5102b24ab676SJeff Bonwick zil_replay(os, zd, ztest_replay_vector); 5103b24ab676SJeff Bonwick 5104b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5105b24ab676SJeff Bonwick 5106b24ab676SJeff Bonwick if (zopt_verbose >= 6) 5107b24ab676SJeff Bonwick (void) printf("%s replay %llu blocks, %llu records, seq %llu\n", 5108b24ab676SJeff Bonwick zd->zd_name, 5109b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_blk_count, 5110b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_lr_count, 5111b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_replaying_seq); 5112b24ab676SJeff Bonwick 5113b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 5114b24ab676SJeff Bonwick 5115b24ab676SJeff Bonwick if (zilog->zl_replaying_seq != 0 && 5116b24ab676SJeff Bonwick zilog->zl_replaying_seq < committed_seq) 5117b24ab676SJeff Bonwick fatal(0, "missing log records: replayed %llu < committed %llu", 5118b24ab676SJeff Bonwick zilog->zl_replaying_seq, committed_seq); 5119b24ab676SJeff Bonwick 5120b24ab676SJeff Bonwick return (0); 5121b24ab676SJeff Bonwick } 5122b24ab676SJeff Bonwick 5123b24ab676SJeff Bonwick static void 5124b24ab676SJeff Bonwick ztest_dataset_close(ztest_shared_t *zs, int d) 5125b24ab676SJeff Bonwick { 5126b24ab676SJeff Bonwick ztest_ds_t *zd = &zs->zs_zd[d]; 5127b24ab676SJeff Bonwick 5128b24ab676SJeff Bonwick zil_close(zd->zd_zilog); 5129b24ab676SJeff Bonwick dmu_objset_rele(zd->zd_os, zd); 5130b24ab676SJeff Bonwick 5131b24ab676SJeff Bonwick ztest_zd_fini(zd); 5132fa9e4066Sahrens } 5133fa9e4066Sahrens 5134fa9e4066Sahrens /* 5135fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 5136fa9e4066Sahrens */ 5137fa9e4066Sahrens static void 5138b24ab676SJeff Bonwick ztest_run(ztest_shared_t *zs) 5139fa9e4066Sahrens { 5140b24ab676SJeff Bonwick thread_t *tid; 5141fa9e4066Sahrens spa_t *spa; 5142e14bb325SJeff Bonwick thread_t resume_tid; 5143b24ab676SJeff Bonwick int error; 5144e14bb325SJeff Bonwick 5145e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 5146fa9e4066Sahrens 5147fa9e4066Sahrens /* 5148b24ab676SJeff Bonwick * Initialize parent/child shared state. 5149fa9e4066Sahrens */ 5150b24ab676SJeff Bonwick VERIFY(_mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL) == 0); 5151b24ab676SJeff Bonwick VERIFY(rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL) == 0); 5152fa9e4066Sahrens 5153b24ab676SJeff Bonwick zs->zs_thread_start = gethrtime(); 5154b24ab676SJeff Bonwick zs->zs_thread_stop = zs->zs_thread_start + zopt_passtime * NANOSEC; 5155b24ab676SJeff Bonwick zs->zs_thread_stop = MIN(zs->zs_thread_stop, zs->zs_proc_stop); 5156b24ab676SJeff Bonwick zs->zs_thread_kill = zs->zs_thread_stop; 5157b24ab676SJeff Bonwick if (ztest_random(100) < zopt_killrate) 5158b24ab676SJeff Bonwick zs->zs_thread_kill -= ztest_random(zopt_passtime * NANOSEC); 5159fa9e4066Sahrens 5160b24ab676SJeff Bonwick (void) _mutex_init(&zcl.zcl_callbacks_lock, USYNC_THREAD, NULL); 5161fa9e4066Sahrens 5162b24ab676SJeff Bonwick list_create(&zcl.zcl_callbacks, sizeof (ztest_cb_data_t), 5163b24ab676SJeff Bonwick offsetof(ztest_cb_data_t, zcd_node)); 5164fa9e4066Sahrens 51650a4e9518Sgw /* 5166e14bb325SJeff Bonwick * Open our pool. 51670a4e9518Sgw */ 5168b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5169b24ab676SJeff Bonwick VERIFY(spa_open(zs->zs_pool, &spa, FTAG) == 0); 517009c9d376SGeorge Wilson spa->spa_debug = B_TRUE; 5171b24ab676SJeff Bonwick zs->zs_spa = spa; 5172b24ab676SJeff Bonwick 5173b24ab676SJeff Bonwick spa->spa_dedup_ditto = 2 * ZIO_DEDUPDITTO_MIN; 51740a4e9518Sgw 51758ad4d6ddSJeff Bonwick /* 51768ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 51778ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 51788ad4d6ddSJeff Bonwick * the only valid replica. 51798ad4d6ddSJeff Bonwick */ 51801195e687SMark J Musante if (MAXFAULTS() == 0) 51818ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 51828ad4d6ddSJeff Bonwick else 51838ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 51848ad4d6ddSJeff Bonwick 5185fa9e4066Sahrens /* 5186e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 5187fa9e4066Sahrens */ 51888ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 5189e14bb325SJeff Bonwick &resume_tid) == 0); 5190fa9e4066Sahrens 5191b24ab676SJeff Bonwick /* 5192b24ab676SJeff Bonwick * Create a deadman thread to abort() if we hang. 5193b24ab676SJeff Bonwick */ 5194b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_deadman_thread, zs, THR_BOUND, 5195b24ab676SJeff Bonwick NULL) == 0); 5196b24ab676SJeff Bonwick 5197fa9e4066Sahrens /* 5198fa9e4066Sahrens * Verify that we can safely inquire about about any object, 5199fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 5200fa9e4066Sahrens * we probe a 5-wide window around each power of two. 5201fa9e4066Sahrens * This hits all edge cases, including zero and the max. 5202fa9e4066Sahrens */ 5203b24ab676SJeff Bonwick for (int t = 0; t < 64; t++) { 5204b24ab676SJeff Bonwick for (int d = -5; d <= 5; d++) { 5205fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 5206fa9e4066Sahrens (1ULL << t) + d, NULL); 5207ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 5208ea8dc4b6Seschrock error == EINVAL); 5209fa9e4066Sahrens } 5210fa9e4066Sahrens } 5211fa9e4066Sahrens 5212fa9e4066Sahrens /* 5213b24ab676SJeff Bonwick * If we got any ENOSPC errors on the previous run, destroy something. 5214fa9e4066Sahrens */ 5215b24ab676SJeff Bonwick if (zs->zs_enospc_count != 0) { 5216b24ab676SJeff Bonwick int d = ztest_random(zopt_datasets); 5217b24ab676SJeff Bonwick ztest_dataset_destroy(zs, d); 5218b24ab676SJeff Bonwick } 5219fa9e4066Sahrens zs->zs_enospc_count = 0; 5220fa9e4066Sahrens 5221b24ab676SJeff Bonwick tid = umem_zalloc(zopt_threads * sizeof (thread_t), UMEM_NOFAIL); 5222fa9e4066Sahrens 5223fa9e4066Sahrens if (zopt_verbose >= 4) 5224fa9e4066Sahrens (void) printf("starting main threads...\n"); 5225fa9e4066Sahrens 5226b24ab676SJeff Bonwick /* 5227b24ab676SJeff Bonwick * Kick off all the tests that run in parallel. 5228b24ab676SJeff Bonwick */ 5229b24ab676SJeff Bonwick for (int t = 0; t < zopt_threads; t++) { 5230b24ab676SJeff Bonwick if (t < zopt_datasets && ztest_dataset_open(zs, t) != 0) 5231b24ab676SJeff Bonwick return; 5232b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, (void *)(uintptr_t)t, 5233b24ab676SJeff Bonwick THR_BOUND, &tid[t]) == 0); 5234fa9e4066Sahrens } 5235fa9e4066Sahrens 5236b24ab676SJeff Bonwick /* 5237b24ab676SJeff Bonwick * Wait for all of the tests to complete. We go in reverse order 5238b24ab676SJeff Bonwick * so we don't close datasets while threads are still using them. 5239b24ab676SJeff Bonwick */ 5240b24ab676SJeff Bonwick for (int t = zopt_threads - 1; t >= 0; t--) { 5241b24ab676SJeff Bonwick VERIFY(thr_join(tid[t], NULL, NULL) == 0); 5242b24ab676SJeff Bonwick if (t < zopt_datasets) 5243b24ab676SJeff Bonwick ztest_dataset_close(zs, t); 5244fa9e4066Sahrens } 5245fa9e4066Sahrens 5246fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 5247fa9e4066Sahrens 5248b24ab676SJeff Bonwick zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 5249b24ab676SJeff Bonwick zs->zs_space = metaslab_class_get_space(spa_normal_class(spa)); 5250b24ab676SJeff Bonwick 5251b24ab676SJeff Bonwick umem_free(tid, zopt_threads * sizeof (thread_t)); 5252b24ab676SJeff Bonwick 5253b24ab676SJeff Bonwick /* Kill the resume thread */ 5254b24ab676SJeff Bonwick ztest_exiting = B_TRUE; 5255b24ab676SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 5256b24ab676SJeff Bonwick ztest_resume(spa); 5257b24ab676SJeff Bonwick 5258b24ab676SJeff Bonwick /* 5259b24ab676SJeff Bonwick * Right before closing the pool, kick off a bunch of async I/O; 5260b24ab676SJeff Bonwick * spa_close() should wait for it to complete. 5261b24ab676SJeff Bonwick */ 5262b24ab676SJeff Bonwick for (uint64_t object = 1; object < 50; object++) 5263b24ab676SJeff Bonwick dmu_prefetch(spa->spa_meta_objset, object, 0, 1ULL << 20); 5264b24ab676SJeff Bonwick 5265b24ab676SJeff Bonwick spa_close(spa, FTAG); 5266fa9e4066Sahrens 5267fa9e4066Sahrens /* 5268b24ab676SJeff Bonwick * Verify that we can loop over all pools. 5269fa9e4066Sahrens */ 5270b24ab676SJeff Bonwick mutex_enter(&spa_namespace_lock); 5271b24ab676SJeff Bonwick for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) 5272b24ab676SJeff Bonwick if (zopt_verbose > 3) 5273b24ab676SJeff Bonwick (void) printf("spa_next: found %s\n", spa_name(spa)); 5274b24ab676SJeff Bonwick mutex_exit(&spa_namespace_lock); 5275b24ab676SJeff Bonwick 5276b24ab676SJeff Bonwick /* 5277b24ab676SJeff Bonwick * Verify that we can export the pool and reimport it under a 5278b24ab676SJeff Bonwick * different name. 5279b24ab676SJeff Bonwick */ 5280b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 5281b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5282b24ab676SJeff Bonwick (void) snprintf(name, MAXNAMELEN, "%s_import", zs->zs_pool); 5283b24ab676SJeff Bonwick ztest_spa_import_export(zs->zs_pool, name); 5284b24ab676SJeff Bonwick ztest_spa_import_export(name, zs->zs_pool); 5285b24ab676SJeff Bonwick } 5286b24ab676SJeff Bonwick 5287b24ab676SJeff Bonwick kernel_fini(); 528826cb54a9SGeorge Wilson 528926cb54a9SGeorge Wilson list_destroy(&zcl.zcl_callbacks); 529026cb54a9SGeorge Wilson 529126cb54a9SGeorge Wilson (void) _mutex_destroy(&zcl.zcl_callbacks_lock); 529226cb54a9SGeorge Wilson 529326cb54a9SGeorge Wilson (void) rwlock_destroy(&zs->zs_name_lock); 529426cb54a9SGeorge Wilson (void) _mutex_destroy(&zs->zs_vdev_lock); 5295b24ab676SJeff Bonwick } 5296b24ab676SJeff Bonwick 5297b24ab676SJeff Bonwick static void 5298b24ab676SJeff Bonwick ztest_freeze(ztest_shared_t *zs) 5299b24ab676SJeff Bonwick { 5300b24ab676SJeff Bonwick ztest_ds_t *zd = &zs->zs_zd[0]; 5301b24ab676SJeff Bonwick spa_t *spa; 53022215e990SMark J Musante int numloops = 0; 5303b24ab676SJeff Bonwick 5304b24ab676SJeff Bonwick if (zopt_verbose >= 3) 5305b24ab676SJeff Bonwick (void) printf("testing spa_freeze()...\n"); 5306718d718aSGeorge Wilson 5307b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5308b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(zs->zs_pool, &spa, FTAG)); 5309b24ab676SJeff Bonwick VERIFY3U(0, ==, ztest_dataset_open(zs, 0)); 5310718d718aSGeorge Wilson 5311b24ab676SJeff Bonwick /* 5312b24ab676SJeff Bonwick * Force the first log block to be transactionally allocated. 5313b24ab676SJeff Bonwick * We have to do this before we freeze the pool -- otherwise 5314b24ab676SJeff Bonwick * the log chain won't be anchored. 5315b24ab676SJeff Bonwick */ 5316b24ab676SJeff Bonwick while (BP_IS_HOLE(&zd->zd_zilog->zl_header->zh_log)) { 5317b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 53185002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5319fa9e4066Sahrens } 5320fa9e4066Sahrens 5321ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 5322fa9e4066Sahrens 5323b24ab676SJeff Bonwick /* 5324b24ab676SJeff Bonwick * Freeze the pool. This stops spa_sync() from doing anything, 5325b24ab676SJeff Bonwick * so that the only way to record changes from now on is the ZIL. 5326b24ab676SJeff Bonwick */ 5327b24ab676SJeff Bonwick spa_freeze(spa); 5328e14bb325SJeff Bonwick 5329b24ab676SJeff Bonwick /* 5330b24ab676SJeff Bonwick * Run tests that generate log records but don't alter the pool config 5331b24ab676SJeff Bonwick * or depend on DSL sync tasks (snapshots, objset create/destroy, etc). 5332b24ab676SJeff Bonwick * We do a txg_wait_synced() after each iteration to force the txg 5333b24ab676SJeff Bonwick * to increase well beyond the last synced value in the uberblock. 5334b24ab676SJeff Bonwick * The ZIL should be OK with that. 5335b24ab676SJeff Bonwick */ 53362215e990SMark J Musante while (ztest_random(10) != 0 && numloops++ < zopt_maxloops) { 5337b24ab676SJeff Bonwick ztest_dmu_write_parallel(zd, 0); 5338b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 5339b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5340b24ab676SJeff Bonwick } 5341e14bb325SJeff Bonwick 5342fa9e4066Sahrens /* 5343b24ab676SJeff Bonwick * Commit all of the changes we just generated. 5344fa9e4066Sahrens */ 53455002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5346b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5347fa9e4066Sahrens 5348b24ab676SJeff Bonwick /* 5349b24ab676SJeff Bonwick * Close our dataset and close the pool. 5350b24ab676SJeff Bonwick */ 5351b24ab676SJeff Bonwick ztest_dataset_close(zs, 0); 5352e05725b1Sbonwick spa_close(spa, FTAG); 5353b24ab676SJeff Bonwick kernel_fini(); 5354e05725b1Sbonwick 5355b24ab676SJeff Bonwick /* 5356b24ab676SJeff Bonwick * Open and close the pool and dataset to induce log replay. 5357b24ab676SJeff Bonwick */ 5358b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5359b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(zs->zs_pool, &spa, FTAG)); 5360b24ab676SJeff Bonwick VERIFY3U(0, ==, ztest_dataset_open(zs, 0)); 5361b24ab676SJeff Bonwick ztest_dataset_close(zs, 0); 5362b24ab676SJeff Bonwick spa_close(spa, FTAG); 5363fa9e4066Sahrens kernel_fini(); 5364fa9e4066Sahrens } 5365fa9e4066Sahrens 5366fa9e4066Sahrens void 5367fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 5368fa9e4066Sahrens { 5369fa9e4066Sahrens hrtime_t s = t / NANOSEC; 5370fa9e4066Sahrens hrtime_t m = s / 60; 5371fa9e4066Sahrens hrtime_t h = m / 60; 5372fa9e4066Sahrens hrtime_t d = h / 24; 5373fa9e4066Sahrens 5374fa9e4066Sahrens s -= m * 60; 5375fa9e4066Sahrens m -= h * 60; 5376fa9e4066Sahrens h -= d * 24; 5377fa9e4066Sahrens 5378fa9e4066Sahrens timebuf[0] = '\0'; 5379fa9e4066Sahrens 5380fa9e4066Sahrens if (d) 5381fa9e4066Sahrens (void) sprintf(timebuf, 5382fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 5383fa9e4066Sahrens else if (h) 5384fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 5385fa9e4066Sahrens else if (m) 5386fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 5387fa9e4066Sahrens else 5388fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 5389fa9e4066Sahrens } 5390fa9e4066Sahrens 53911195e687SMark J Musante static nvlist_t * 53921195e687SMark J Musante make_random_props() 53931195e687SMark J Musante { 53941195e687SMark J Musante nvlist_t *props; 53951195e687SMark J Musante 53961195e687SMark J Musante if (ztest_random(2) == 0) 53971195e687SMark J Musante return (NULL); 53981195e687SMark J Musante 53991195e687SMark J Musante VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 54001195e687SMark J Musante VERIFY(nvlist_add_uint64(props, "autoreplace", 1) == 0); 54011195e687SMark J Musante 54021195e687SMark J Musante (void) printf("props:\n"); 54031195e687SMark J Musante dump_nvlist(props, 4); 54041195e687SMark J Musante 54051195e687SMark J Musante return (props); 54061195e687SMark J Musante } 54071195e687SMark J Musante 5408fa9e4066Sahrens /* 5409fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 5410b24ab676SJeff Bonwick * Then test spa_freeze() functionality. 5411fa9e4066Sahrens */ 5412fa9e4066Sahrens static void 5413b24ab676SJeff Bonwick ztest_init(ztest_shared_t *zs) 5414fa9e4066Sahrens { 5415fa9e4066Sahrens spa_t *spa; 54161195e687SMark J Musante nvlist_t *nvroot, *props; 5417fa9e4066Sahrens 5418b24ab676SJeff Bonwick VERIFY(_mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL) == 0); 5419b24ab676SJeff Bonwick VERIFY(rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL) == 0); 5420b24ab676SJeff Bonwick 5421fa9e4066Sahrens kernel_init(FREAD | FWRITE); 5422fa9e4066Sahrens 5423fa9e4066Sahrens /* 5424fa9e4066Sahrens * Create the storage pool. 5425fa9e4066Sahrens */ 5426b24ab676SJeff Bonwick (void) spa_destroy(zs->zs_pool); 542788ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = 0; 54281195e687SMark J Musante zs->zs_splits = 0; 54291195e687SMark J Musante zs->zs_mirrors = zopt_mirrors; 5430e14bb325SJeff Bonwick nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 54311195e687SMark J Musante 0, zopt_raidz, zs->zs_mirrors, 1); 54321195e687SMark J Musante props = make_random_props(); 54331195e687SMark J Musante VERIFY3U(0, ==, spa_create(zs->zs_pool, nvroot, props, NULL, NULL)); 5434fa9e4066Sahrens nvlist_free(nvroot); 5435fa9e4066Sahrens 5436b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(zs->zs_pool, &spa, FTAG)); 5437d6e555bdSGeorge Wilson metaslab_sz = 1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift; 5438fa9e4066Sahrens spa_close(spa, FTAG); 5439fa9e4066Sahrens 5440fa9e4066Sahrens kernel_fini(); 5441b24ab676SJeff Bonwick 5442b24ab676SJeff Bonwick ztest_run_zdb(zs->zs_pool); 5443b24ab676SJeff Bonwick 5444b24ab676SJeff Bonwick ztest_freeze(zs); 5445b24ab676SJeff Bonwick 5446b24ab676SJeff Bonwick ztest_run_zdb(zs->zs_pool); 544726cb54a9SGeorge Wilson 544826cb54a9SGeorge Wilson (void) rwlock_destroy(&zs->zs_name_lock); 544926cb54a9SGeorge Wilson (void) _mutex_destroy(&zs->zs_vdev_lock); 5450fa9e4066Sahrens } 5451fa9e4066Sahrens 5452fa9e4066Sahrens int 5453fa9e4066Sahrens main(int argc, char **argv) 5454fa9e4066Sahrens { 5455fa9e4066Sahrens int kills = 0; 5456fa9e4066Sahrens int iters = 0; 5457fa9e4066Sahrens ztest_shared_t *zs; 5458b24ab676SJeff Bonwick size_t shared_size; 5459fa9e4066Sahrens ztest_info_t *zi; 5460fa9e4066Sahrens char timebuf[100]; 5461fa9e4066Sahrens char numbuf[6]; 5462b24ab676SJeff Bonwick spa_t *spa; 5463fa9e4066Sahrens 5464fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 5465fa9e4066Sahrens 5466fa9e4066Sahrens ztest_random_fd = open("/dev/urandom", O_RDONLY); 5467fa9e4066Sahrens 5468fa9e4066Sahrens process_options(argc, argv); 5469fa9e4066Sahrens 5470f0ba89beSJeff Bonwick /* Override location of zpool.cache */ 5471f0ba89beSJeff Bonwick (void) asprintf((char **)&spa_config_path, "%s/zpool.cache", zopt_dir); 5472f0ba89beSJeff Bonwick 5473ea8dc4b6Seschrock /* 5474ea8dc4b6Seschrock * Blow away any existing copy of zpool.cache 5475ea8dc4b6Seschrock */ 5476ea8dc4b6Seschrock if (zopt_init != 0) 5477f0ba89beSJeff Bonwick (void) remove(spa_config_path); 5478ea8dc4b6Seschrock 5479b24ab676SJeff Bonwick shared_size = sizeof (*zs) + zopt_datasets * sizeof (ztest_ds_t); 5480b24ab676SJeff Bonwick 5481fa9e4066Sahrens zs = ztest_shared = (void *)mmap(0, 5482b24ab676SJeff Bonwick P2ROUNDUP(shared_size, getpagesize()), 5483fa9e4066Sahrens PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); 5484fa9e4066Sahrens 5485fa9e4066Sahrens if (zopt_verbose >= 1) { 5486fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 5487fa9e4066Sahrens " %llu seconds...\n", 5488ecc2d604Sbonwick (u_longlong_t)zopt_vdevs, zopt_datasets, zopt_threads, 5489fa9e4066Sahrens (u_longlong_t)zopt_time); 5490fa9e4066Sahrens } 5491fa9e4066Sahrens 5492fa9e4066Sahrens /* 5493fa9e4066Sahrens * Create and initialize our storage pool. 5494fa9e4066Sahrens */ 5495b24ab676SJeff Bonwick for (int i = 1; i <= zopt_init; i++) { 5496fa9e4066Sahrens bzero(zs, sizeof (ztest_shared_t)); 5497fa9e4066Sahrens if (zopt_verbose >= 3 && zopt_init != 1) 5498fa9e4066Sahrens (void) printf("ztest_init(), pass %d\n", i); 5499b24ab676SJeff Bonwick zs->zs_pool = zopt_pool; 5500b24ab676SJeff Bonwick ztest_init(zs); 5501fa9e4066Sahrens } 5502fa9e4066Sahrens 5503b24ab676SJeff Bonwick zs->zs_pool = zopt_pool; 5504b24ab676SJeff Bonwick zs->zs_proc_start = gethrtime(); 5505b24ab676SJeff Bonwick zs->zs_proc_stop = zs->zs_proc_start + zopt_time * NANOSEC; 5506fa9e4066Sahrens 5507b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5508b24ab676SJeff Bonwick zi = &zs->zs_info[f]; 5509fa9e4066Sahrens *zi = ztest_info[f]; 5510b24ab676SJeff Bonwick if (zs->zs_proc_start + zi->zi_interval[0] > zs->zs_proc_stop) 5511b24ab676SJeff Bonwick zi->zi_call_next = UINT64_MAX; 5512fa9e4066Sahrens else 5513b24ab676SJeff Bonwick zi->zi_call_next = zs->zs_proc_start + 5514b24ab676SJeff Bonwick ztest_random(2 * zi->zi_interval[0] + 1); 5515fa9e4066Sahrens } 5516fa9e4066Sahrens 5517fa9e4066Sahrens /* 5518fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 5519fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 5520fa9e4066Sahrens * to verify that we never lose on-disk consistency. 5521fa9e4066Sahrens */ 5522b24ab676SJeff Bonwick while (gethrtime() < zs->zs_proc_stop) { 5523fa9e4066Sahrens int status; 5524fa9e4066Sahrens pid_t pid; 5525fa9e4066Sahrens 5526fa9e4066Sahrens /* 5527fa9e4066Sahrens * Initialize the workload counters for each function. 5528fa9e4066Sahrens */ 5529b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5530fa9e4066Sahrens zi = &zs->zs_info[f]; 5531b24ab676SJeff Bonwick zi->zi_call_count = 0; 5532fa9e4066Sahrens zi->zi_call_time = 0; 5533fa9e4066Sahrens } 5534fa9e4066Sahrens 5535d6e555bdSGeorge Wilson /* Set the allocation switch size */ 5536d6e555bdSGeorge Wilson metaslab_df_alloc_threshold = ztest_random(metaslab_sz / 4) + 1; 5537d6e555bdSGeorge Wilson 5538fa9e4066Sahrens pid = fork(); 5539fa9e4066Sahrens 5540fa9e4066Sahrens if (pid == -1) 5541fa9e4066Sahrens fatal(1, "fork failed"); 5542fa9e4066Sahrens 5543fa9e4066Sahrens if (pid == 0) { /* child */ 5544fa9e4066Sahrens struct rlimit rl = { 1024, 1024 }; 5545fa9e4066Sahrens (void) setrlimit(RLIMIT_NOFILE, &rl); 5546004388ebScasper (void) enable_extended_FILE_stdio(-1, -1); 5547b24ab676SJeff Bonwick ztest_run(zs); 5548fa9e4066Sahrens exit(0); 5549fa9e4066Sahrens } 5550fa9e4066Sahrens 55515ad82045Snd while (waitpid(pid, &status, 0) != pid) 5552fa9e4066Sahrens continue; 5553fa9e4066Sahrens 5554fa9e4066Sahrens if (WIFEXITED(status)) { 5555fa9e4066Sahrens if (WEXITSTATUS(status) != 0) { 5556fa9e4066Sahrens (void) fprintf(stderr, 5557fa9e4066Sahrens "child exited with code %d\n", 5558fa9e4066Sahrens WEXITSTATUS(status)); 5559fa9e4066Sahrens exit(2); 5560fa9e4066Sahrens } 55615ad82045Snd } else if (WIFSIGNALED(status)) { 5562fa9e4066Sahrens if (WTERMSIG(status) != SIGKILL) { 5563fa9e4066Sahrens (void) fprintf(stderr, 5564fa9e4066Sahrens "child died with signal %d\n", 5565fa9e4066Sahrens WTERMSIG(status)); 5566fa9e4066Sahrens exit(3); 5567fa9e4066Sahrens } 5568fa9e4066Sahrens kills++; 55695ad82045Snd } else { 55705ad82045Snd (void) fprintf(stderr, "something strange happened " 55715ad82045Snd "to child\n"); 55725ad82045Snd exit(4); 5573fa9e4066Sahrens } 5574fa9e4066Sahrens 5575fa9e4066Sahrens iters++; 5576fa9e4066Sahrens 5577fa9e4066Sahrens if (zopt_verbose >= 1) { 5578fa9e4066Sahrens hrtime_t now = gethrtime(); 5579fa9e4066Sahrens 5580b24ab676SJeff Bonwick now = MIN(now, zs->zs_proc_stop); 5581b24ab676SJeff Bonwick print_time(zs->zs_proc_stop - now, timebuf); 5582fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 5583fa9e4066Sahrens 5584fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 5585fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 5586fa9e4066Sahrens iters, 5587fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 5588fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 5589fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 5590fa9e4066Sahrens numbuf, 5591b24ab676SJeff Bonwick 100.0 * (now - zs->zs_proc_start) / 5592fa9e4066Sahrens (zopt_time * NANOSEC), timebuf); 5593fa9e4066Sahrens } 5594fa9e4066Sahrens 5595fa9e4066Sahrens if (zopt_verbose >= 2) { 5596fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 5597fa9e4066Sahrens (void) printf("%7s %9s %s\n", 5598fa9e4066Sahrens "Calls", "Time", "Function"); 5599fa9e4066Sahrens (void) printf("%7s %9s %s\n", 5600fa9e4066Sahrens "-----", "----", "--------"); 5601b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5602fa9e4066Sahrens Dl_info dli; 5603fa9e4066Sahrens 5604fa9e4066Sahrens zi = &zs->zs_info[f]; 5605fa9e4066Sahrens print_time(zi->zi_call_time, timebuf); 5606fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 5607fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 5608b24ab676SJeff Bonwick (u_longlong_t)zi->zi_call_count, timebuf, 5609fa9e4066Sahrens dli.dli_sname); 5610fa9e4066Sahrens } 5611fa9e4066Sahrens (void) printf("\n"); 5612fa9e4066Sahrens } 5613fa9e4066Sahrens 5614fa9e4066Sahrens /* 5615b24ab676SJeff Bonwick * It's possible that we killed a child during a rename test, 5616b24ab676SJeff Bonwick * in which case we'll have a 'ztest_tmp' pool lying around 5617b24ab676SJeff Bonwick * instead of 'ztest'. Do a blind rename in case this happened. 5618fa9e4066Sahrens */ 5619b24ab676SJeff Bonwick kernel_init(FREAD); 5620b24ab676SJeff Bonwick if (spa_open(zopt_pool, &spa, FTAG) == 0) { 5621b24ab676SJeff Bonwick spa_close(spa, FTAG); 5622b24ab676SJeff Bonwick } else { 5623b24ab676SJeff Bonwick char tmpname[MAXNAMELEN]; 5624b24ab676SJeff Bonwick kernel_fini(); 5625b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5626b24ab676SJeff Bonwick (void) snprintf(tmpname, sizeof (tmpname), "%s_tmp", 5627b24ab676SJeff Bonwick zopt_pool); 5628b24ab676SJeff Bonwick (void) spa_rename(tmpname, zopt_pool); 5629b24ab676SJeff Bonwick } 5630fa9e4066Sahrens kernel_fini(); 5631fa9e4066Sahrens 5632b24ab676SJeff Bonwick ztest_run_zdb(zopt_pool); 5633b24ab676SJeff Bonwick } 5634fa9e4066Sahrens 5635fa9e4066Sahrens if (zopt_verbose >= 1) { 5636fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 5637fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 5638fa9e4066Sahrens } 5639fa9e4066Sahrens 5640fa9e4066Sahrens return (0); 5641fa9e4066Sahrens } 5642