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. 23fa9e4066Sahrens */ 24fa9e4066Sahrens 25fa9e4066Sahrens /* 26fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 27fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 28fa9e4066Sahrens * 29fa9e4066Sahrens * The overall design of the ztest program is as follows: 30fa9e4066Sahrens * 31fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 32fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 33fa9e4066Sahrens * we have a simple routine to test that functionality. These 34fa9e4066Sahrens * individual routines do not have to do anything "stressful". 35fa9e4066Sahrens * 36fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 37fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 38fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 39fa9e4066Sahrens * 40fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 41fa9e4066Sahrens * verify that self-healing data really works. 42fa9e4066Sahrens * 43fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 44fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 45fa9e4066Sahrens * in which checksum they use and whether they're compressed. 46fa9e4066Sahrens * 47fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 48fa9e4066Sahrens * we run the entire test in a child of the main process. 49fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 50fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 51fa9e4066Sahrens * The parent then runs the test again, using the existing 52fa9e4066Sahrens * storage pool, as many times as desired. 53fa9e4066Sahrens * 54fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 55fa9e4066Sahrens * many of the functional tests record the transaction group number 56fa9e4066Sahrens * as part of their data. When reading old data, they verify that 57fa9e4066Sahrens * the transaction group number is less than the current, open txg. 58fa9e4066Sahrens * If you add a new test, please do this if applicable. 59fa9e4066Sahrens * 60fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 61fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 62fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 63fa9e4066Sahrens * 64fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 65fa9e4066Sahrens * 66fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 67fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 68fa9e4066Sahrens * 69fa9e4066Sahrens * The -N(okill) option will suppress kills, so each child runs to completion. 70fa9e4066Sahrens * This can be useful when you're trying to distinguish temporal incursions 71fa9e4066Sahrens * from plain old race conditions. 72fa9e4066Sahrens */ 73fa9e4066Sahrens 74fa9e4066Sahrens #include <sys/zfs_context.h> 75fa9e4066Sahrens #include <sys/spa.h> 76fa9e4066Sahrens #include <sys/dmu.h> 77fa9e4066Sahrens #include <sys/txg.h> 782fdbea25SAleksandr Guzovskiy #include <sys/dbuf.h> 79fa9e4066Sahrens #include <sys/zap.h> 80fa9e4066Sahrens #include <sys/dmu_objset.h> 81fa9e4066Sahrens #include <sys/poll.h> 82fa9e4066Sahrens #include <sys/stat.h> 83fa9e4066Sahrens #include <sys/time.h> 84fa9e4066Sahrens #include <sys/wait.h> 85fa9e4066Sahrens #include <sys/mman.h> 86fa9e4066Sahrens #include <sys/resource.h> 87fa9e4066Sahrens #include <sys/zio.h> 88fa9e4066Sahrens #include <sys/zil.h> 89b24ab676SJeff Bonwick #include <sys/zil_impl.h> 90fa9e4066Sahrens #include <sys/vdev_impl.h> 91e14bb325SJeff Bonwick #include <sys/vdev_file.h> 92fa9e4066Sahrens #include <sys/spa_impl.h> 9388ecc943SGeorge Wilson #include <sys/metaslab_impl.h> 94fa9e4066Sahrens #include <sys/dsl_prop.h> 954f5064b7SMark J Musante #include <sys/dsl_dataset.h> 96*3f9d6ad7SLin Ling #include <sys/dsl_scan.h> 97fa9e4066Sahrens #include <sys/refcount.h> 98fa9e4066Sahrens #include <stdio.h> 99004388ebScasper #include <stdio_ext.h> 100fa9e4066Sahrens #include <stdlib.h> 101fa9e4066Sahrens #include <unistd.h> 102fa9e4066Sahrens #include <signal.h> 103fa9e4066Sahrens #include <umem.h> 104fa9e4066Sahrens #include <dlfcn.h> 105fa9e4066Sahrens #include <ctype.h> 106fa9e4066Sahrens #include <math.h> 107fa9e4066Sahrens #include <sys/fs/zfs.h> 108b24ab676SJeff Bonwick #include <libnvpair.h> 109fa9e4066Sahrens 110fa9e4066Sahrens static char cmdname[] = "ztest"; 111fa9e4066Sahrens static char *zopt_pool = cmdname; 112fa9e4066Sahrens 113fa9e4066Sahrens static uint64_t zopt_vdevs = 5; 114fa9e4066Sahrens static uint64_t zopt_vdevtime; 115ecc2d604Sbonwick static int zopt_ashift = SPA_MINBLOCKSHIFT; 116fa9e4066Sahrens static int zopt_mirrors = 2; 117fa9e4066Sahrens static int zopt_raidz = 4; 11899653d4eSeschrock static int zopt_raidz_parity = 1; 119fa9e4066Sahrens static size_t zopt_vdev_size = SPA_MINDEVSIZE; 120ecc2d604Sbonwick static int zopt_datasets = 7; 121fa9e4066Sahrens static int zopt_threads = 23; 122fa9e4066Sahrens static uint64_t zopt_passtime = 60; /* 60 seconds */ 123fa9e4066Sahrens static uint64_t zopt_killrate = 70; /* 70% kill rate */ 124fa9e4066Sahrens static int zopt_verbose = 0; 125fa9e4066Sahrens static int zopt_init = 1; 126fa9e4066Sahrens static char *zopt_dir = "/tmp"; 127fa9e4066Sahrens static uint64_t zopt_time = 300; /* 5 minutes */ 1282215e990SMark J Musante static uint64_t zopt_maxloops = 50; /* max loops during spa_freeze() */ 129fa9e4066Sahrens 130b24ab676SJeff Bonwick #define BT_MAGIC 0x123456789abcdefULL 1311195e687SMark J Musante #define MAXFAULTS() (MAX(zs->zs_mirrors, 1) * (zopt_raidz_parity + 1) - 1) 132b24ab676SJeff Bonwick 133b24ab676SJeff Bonwick enum ztest_io_type { 134b24ab676SJeff Bonwick ZTEST_IO_WRITE_TAG, 135b24ab676SJeff Bonwick ZTEST_IO_WRITE_PATTERN, 136b24ab676SJeff Bonwick ZTEST_IO_WRITE_ZEROES, 137b24ab676SJeff Bonwick ZTEST_IO_TRUNCATE, 138b24ab676SJeff Bonwick ZTEST_IO_SETATTR, 139b24ab676SJeff Bonwick ZTEST_IO_TYPES 140b24ab676SJeff Bonwick }; 141b24ab676SJeff Bonwick 142e05725b1Sbonwick typedef struct ztest_block_tag { 143b24ab676SJeff Bonwick uint64_t bt_magic; 144e05725b1Sbonwick uint64_t bt_objset; 145e05725b1Sbonwick uint64_t bt_object; 146e05725b1Sbonwick uint64_t bt_offset; 147b24ab676SJeff Bonwick uint64_t bt_gen; 148e05725b1Sbonwick uint64_t bt_txg; 149b24ab676SJeff Bonwick uint64_t bt_crtxg; 150e05725b1Sbonwick } ztest_block_tag_t; 151e05725b1Sbonwick 152b24ab676SJeff Bonwick typedef struct bufwad { 153b24ab676SJeff Bonwick uint64_t bw_index; 154b24ab676SJeff Bonwick uint64_t bw_txg; 155b24ab676SJeff Bonwick uint64_t bw_data; 156b24ab676SJeff Bonwick } bufwad_t; 157b24ab676SJeff Bonwick 158b24ab676SJeff Bonwick /* 159b24ab676SJeff Bonwick * XXX -- fix zfs range locks to be generic so we can use them here. 160b24ab676SJeff Bonwick */ 161b24ab676SJeff Bonwick typedef enum { 162b24ab676SJeff Bonwick RL_READER, 163b24ab676SJeff Bonwick RL_WRITER, 164b24ab676SJeff Bonwick RL_APPEND 165b24ab676SJeff Bonwick } rl_type_t; 166b24ab676SJeff Bonwick 167b24ab676SJeff Bonwick typedef struct rll { 168b24ab676SJeff Bonwick void *rll_writer; 169b24ab676SJeff Bonwick int rll_readers; 170b24ab676SJeff Bonwick mutex_t rll_lock; 171b24ab676SJeff Bonwick cond_t rll_cv; 172b24ab676SJeff Bonwick } rll_t; 173b24ab676SJeff Bonwick 174b24ab676SJeff Bonwick typedef struct rl { 175b24ab676SJeff Bonwick uint64_t rl_object; 176b24ab676SJeff Bonwick uint64_t rl_offset; 177b24ab676SJeff Bonwick uint64_t rl_size; 178b24ab676SJeff Bonwick rll_t *rl_lock; 179b24ab676SJeff Bonwick } rl_t; 180b24ab676SJeff Bonwick 181b24ab676SJeff Bonwick #define ZTEST_RANGE_LOCKS 64 182b24ab676SJeff Bonwick #define ZTEST_OBJECT_LOCKS 64 183b24ab676SJeff Bonwick 184b24ab676SJeff Bonwick /* 185b24ab676SJeff Bonwick * Object descriptor. Used as a template for object lookup/create/remove. 186b24ab676SJeff Bonwick */ 187b24ab676SJeff Bonwick typedef struct ztest_od { 188b24ab676SJeff Bonwick uint64_t od_dir; 189b24ab676SJeff Bonwick uint64_t od_object; 190b24ab676SJeff Bonwick dmu_object_type_t od_type; 191b24ab676SJeff Bonwick dmu_object_type_t od_crtype; 192b24ab676SJeff Bonwick uint64_t od_blocksize; 193b24ab676SJeff Bonwick uint64_t od_crblocksize; 194b24ab676SJeff Bonwick uint64_t od_gen; 195b24ab676SJeff Bonwick uint64_t od_crgen; 196b24ab676SJeff Bonwick char od_name[MAXNAMELEN]; 197b24ab676SJeff Bonwick } ztest_od_t; 198fa9e4066Sahrens 199b24ab676SJeff Bonwick /* 200b24ab676SJeff Bonwick * Per-dataset state. 201b24ab676SJeff Bonwick */ 202b24ab676SJeff Bonwick typedef struct ztest_ds { 203b24ab676SJeff Bonwick objset_t *zd_os; 204b24ab676SJeff Bonwick zilog_t *zd_zilog; 205b24ab676SJeff Bonwick uint64_t zd_seq; 206b24ab676SJeff Bonwick ztest_od_t *zd_od; /* debugging aid */ 207b24ab676SJeff Bonwick char zd_name[MAXNAMELEN]; 208b24ab676SJeff Bonwick mutex_t zd_dirobj_lock; 209b24ab676SJeff Bonwick rll_t zd_object_lock[ZTEST_OBJECT_LOCKS]; 210b24ab676SJeff Bonwick rll_t zd_range_lock[ZTEST_RANGE_LOCKS]; 211b24ab676SJeff Bonwick } ztest_ds_t; 212b24ab676SJeff Bonwick 213b24ab676SJeff Bonwick /* 214b24ab676SJeff Bonwick * Per-iteration state. 215b24ab676SJeff Bonwick */ 216b24ab676SJeff Bonwick typedef void ztest_func_t(ztest_ds_t *zd, uint64_t id); 217b24ab676SJeff Bonwick 218b24ab676SJeff Bonwick typedef struct ztest_info { 219b24ab676SJeff Bonwick ztest_func_t *zi_func; /* test function */ 220b24ab676SJeff Bonwick uint64_t zi_iters; /* iterations per execution */ 221b24ab676SJeff Bonwick uint64_t *zi_interval; /* execute every <interval> seconds */ 222b24ab676SJeff Bonwick uint64_t zi_call_count; /* per-pass count */ 223b24ab676SJeff Bonwick uint64_t zi_call_time; /* per-pass time */ 224b24ab676SJeff Bonwick uint64_t zi_call_next; /* next time to call this function */ 225b24ab676SJeff Bonwick } ztest_info_t; 226fa9e4066Sahrens 227fa9e4066Sahrens /* 228fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 229fa9e4066Sahrens */ 230fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 231fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 232fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 233d20e665cSRicardo M. Correia ztest_func_t ztest_dmu_commit_callbacks; 234fa9e4066Sahrens ztest_func_t ztest_zap; 235fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 236b24ab676SJeff Bonwick ztest_func_t ztest_zil_commit; 237b24ab676SJeff Bonwick ztest_func_t ztest_dmu_read_write_zcopy; 238fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 239b24ab676SJeff Bonwick ztest_func_t ztest_dmu_prealloc; 240b24ab676SJeff Bonwick ztest_func_t ztest_fzap; 241fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 242b24ab676SJeff Bonwick ztest_func_t ztest_dsl_prop_get_set; 243b24ab676SJeff Bonwick ztest_func_t ztest_spa_prop_get_set; 244fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 245fa9e4066Sahrens ztest_func_t ztest_fault_inject; 246b24ab676SJeff Bonwick ztest_func_t ztest_ddt_repair; 247b24ab676SJeff Bonwick ztest_func_t ztest_dmu_snapshot_hold; 248e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 249b24ab676SJeff Bonwick ztest_func_t ztest_scrub; 250b24ab676SJeff Bonwick ztest_func_t ztest_dsl_dataset_promote_busy; 251fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 252fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 253fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 254e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 2551195e687SMark J Musante ztest_func_t ztest_split_pool; 256fa9e4066Sahrens 257b24ab676SJeff Bonwick uint64_t zopt_always = 0ULL * NANOSEC; /* all the time */ 258b24ab676SJeff Bonwick uint64_t zopt_incessant = 1ULL * NANOSEC / 10; /* every 1/10 second */ 259b24ab676SJeff Bonwick uint64_t zopt_often = 1ULL * NANOSEC; /* every second */ 260b24ab676SJeff Bonwick uint64_t zopt_sometimes = 10ULL * NANOSEC; /* every 10 seconds */ 261b24ab676SJeff Bonwick uint64_t zopt_rarely = 60ULL * NANOSEC; /* every 60 seconds */ 262fa9e4066Sahrens 263fa9e4066Sahrens ztest_info_t ztest_info[] = { 264e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 265b24ab676SJeff Bonwick { ztest_dmu_write_parallel, 10, &zopt_always }, 266e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 267b24ab676SJeff Bonwick { ztest_dmu_commit_callbacks, 1, &zopt_always }, 268e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 269e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 2701195e687SMark J Musante { ztest_split_pool, 1, &zopt_always }, 271b24ab676SJeff Bonwick { ztest_zil_commit, 1, &zopt_incessant }, 272b24ab676SJeff Bonwick { ztest_dmu_read_write_zcopy, 1, &zopt_often }, 273b24ab676SJeff Bonwick { ztest_dmu_objset_create_destroy, 1, &zopt_often }, 274b24ab676SJeff Bonwick { ztest_dsl_prop_get_set, 1, &zopt_often }, 275b24ab676SJeff Bonwick { ztest_spa_prop_get_set, 1, &zopt_sometimes }, 276b24ab676SJeff Bonwick #if 0 277b24ab676SJeff Bonwick { ztest_dmu_prealloc, 1, &zopt_sometimes }, 278b24ab676SJeff Bonwick #endif 279b24ab676SJeff Bonwick { ztest_fzap, 1, &zopt_sometimes }, 280b24ab676SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 281b24ab676SJeff Bonwick { ztest_spa_create_destroy, 1, &zopt_sometimes }, 282e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 283b24ab676SJeff Bonwick { ztest_ddt_repair, 1, &zopt_sometimes }, 2845c987a37SChris Kirby { ztest_dmu_snapshot_hold, 1, &zopt_sometimes }, 285e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 286b24ab676SJeff Bonwick { ztest_scrub, 1, &zopt_rarely }, 287b24ab676SJeff Bonwick { ztest_dsl_dataset_promote_busy, 1, &zopt_rarely }, 288*3f9d6ad7SLin Ling { ztest_vdev_attach_detach, 1, &zopt_rarely }, 289e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 290*3f9d6ad7SLin Ling { ztest_vdev_add_remove, 1, &zopt_vdevtime }, 291e14bb325SJeff Bonwick { ztest_vdev_aux_add_remove, 1, &zopt_vdevtime }, 292fa9e4066Sahrens }; 293fa9e4066Sahrens 294fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 295fa9e4066Sahrens 296d20e665cSRicardo M. Correia /* 297d20e665cSRicardo M. Correia * The following struct is used to hold a list of uncalled commit callbacks. 298d20e665cSRicardo M. Correia * The callbacks are ordered by txg number. 299d20e665cSRicardo M. Correia */ 300d20e665cSRicardo M. Correia typedef struct ztest_cb_list { 301d20e665cSRicardo M. Correia mutex_t zcl_callbacks_lock; 302d20e665cSRicardo M. Correia list_t zcl_callbacks; 303d20e665cSRicardo M. Correia } ztest_cb_list_t; 304d20e665cSRicardo M. Correia 305fa9e4066Sahrens /* 306fa9e4066Sahrens * Stuff we need to share writably between parent and child. 307fa9e4066Sahrens */ 308fa9e4066Sahrens typedef struct ztest_shared { 309b24ab676SJeff Bonwick char *zs_pool; 310b24ab676SJeff Bonwick spa_t *zs_spa; 311b24ab676SJeff Bonwick hrtime_t zs_proc_start; 312b24ab676SJeff Bonwick hrtime_t zs_proc_stop; 313b24ab676SJeff Bonwick hrtime_t zs_thread_start; 314b24ab676SJeff Bonwick hrtime_t zs_thread_stop; 315b24ab676SJeff Bonwick hrtime_t zs_thread_kill; 316b24ab676SJeff Bonwick uint64_t zs_enospc_count; 31788ecc943SGeorge Wilson uint64_t zs_vdev_next_leaf; 318e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 319fa9e4066Sahrens uint64_t zs_alloc; 320fa9e4066Sahrens uint64_t zs_space; 321b24ab676SJeff Bonwick mutex_t zs_vdev_lock; 322b24ab676SJeff Bonwick rwlock_t zs_name_lock; 323fa9e4066Sahrens ztest_info_t zs_info[ZTEST_FUNCS]; 3241195e687SMark J Musante uint64_t zs_splits; 3251195e687SMark J Musante uint64_t zs_mirrors; 326b24ab676SJeff Bonwick ztest_ds_t zs_zd[]; 327fa9e4066Sahrens } ztest_shared_t; 328fa9e4066Sahrens 329b24ab676SJeff Bonwick #define ID_PARALLEL -1ULL 330b24ab676SJeff Bonwick 331fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 332e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 333b24ab676SJeff Bonwick ztest_shared_t *ztest_shared; 334b24ab676SJeff Bonwick uint64_t *ztest_seq; 335fa9e4066Sahrens 336fa9e4066Sahrens static int ztest_random_fd; 337fa9e4066Sahrens static int ztest_dump_core = 1; 338fa9e4066Sahrens 339e14bb325SJeff Bonwick static boolean_t ztest_exiting; 3400a4e9518Sgw 341d20e665cSRicardo M. Correia /* Global commit callback list */ 342d20e665cSRicardo M. Correia static ztest_cb_list_t zcl; 343d20e665cSRicardo M. Correia 344e05725b1Sbonwick extern uint64_t metaslab_gang_bang; 345d6e555bdSGeorge Wilson extern uint64_t metaslab_df_alloc_threshold; 346b24ab676SJeff Bonwick static uint64_t metaslab_sz; 347fa9e4066Sahrens 348b24ab676SJeff Bonwick enum ztest_object { 349b24ab676SJeff Bonwick ZTEST_META_DNODE = 0, 350b24ab676SJeff Bonwick ZTEST_DIROBJ, 351b24ab676SJeff Bonwick ZTEST_OBJECTS 352b24ab676SJeff Bonwick }; 353fa9e4066Sahrens 3541ce825d8Sraf static void usage(boolean_t) __NORETURN; 355f1b4288bSvb 356fa9e4066Sahrens /* 357fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 358fa9e4066Sahrens * debugging facilities. 359fa9e4066Sahrens */ 360fa9e4066Sahrens const char * 361fa9e4066Sahrens _umem_debug_init() 362fa9e4066Sahrens { 363fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 364fa9e4066Sahrens } 365fa9e4066Sahrens 366fa9e4066Sahrens const char * 367fa9e4066Sahrens _umem_logging_init(void) 368fa9e4066Sahrens { 369fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 370fa9e4066Sahrens } 371fa9e4066Sahrens 372fa9e4066Sahrens #define FATAL_MSG_SZ 1024 373fa9e4066Sahrens 374fa9e4066Sahrens char *fatal_msg; 375fa9e4066Sahrens 376fa9e4066Sahrens static void 377fa9e4066Sahrens fatal(int do_perror, char *message, ...) 378fa9e4066Sahrens { 379fa9e4066Sahrens va_list args; 380fa9e4066Sahrens int save_errno = errno; 381fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 382fa9e4066Sahrens 383fa9e4066Sahrens (void) fflush(stdout); 384fa9e4066Sahrens 385fa9e4066Sahrens va_start(args, message); 386fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 387fa9e4066Sahrens /* LINTED */ 388fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 389fa9e4066Sahrens va_end(args); 390fa9e4066Sahrens if (do_perror) { 391fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 392fa9e4066Sahrens ": %s", strerror(save_errno)); 393fa9e4066Sahrens } 394fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 395fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 396fa9e4066Sahrens if (ztest_dump_core) 397fa9e4066Sahrens abort(); 398fa9e4066Sahrens exit(3); 399fa9e4066Sahrens } 400fa9e4066Sahrens 401fa9e4066Sahrens static int 402fa9e4066Sahrens str2shift(const char *buf) 403fa9e4066Sahrens { 404fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 405fa9e4066Sahrens int i; 406fa9e4066Sahrens 407fa9e4066Sahrens if (buf[0] == '\0') 408fa9e4066Sahrens return (0); 409fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 410fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 411fa9e4066Sahrens break; 412fa9e4066Sahrens } 413f1b4288bSvb if (i == strlen(ends)) { 414f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 415f1b4288bSvb buf); 416f1b4288bSvb usage(B_FALSE); 417f1b4288bSvb } 418fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 419fa9e4066Sahrens return (10*i); 420fa9e4066Sahrens } 421f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 422f1b4288bSvb usage(B_FALSE); 423f1b4288bSvb /* NOTREACHED */ 424fa9e4066Sahrens } 425fa9e4066Sahrens 426fa9e4066Sahrens static uint64_t 427fa9e4066Sahrens nicenumtoull(const char *buf) 428fa9e4066Sahrens { 429fa9e4066Sahrens char *end; 430fa9e4066Sahrens uint64_t val; 431fa9e4066Sahrens 432fa9e4066Sahrens val = strtoull(buf, &end, 0); 433fa9e4066Sahrens if (end == buf) { 434f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 435f1b4288bSvb usage(B_FALSE); 436fa9e4066Sahrens } else if (end[0] == '.') { 437fa9e4066Sahrens double fval = strtod(buf, &end); 438fa9e4066Sahrens fval *= pow(2, str2shift(end)); 439f1b4288bSvb if (fval > UINT64_MAX) { 440f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 441f1b4288bSvb buf); 442f1b4288bSvb usage(B_FALSE); 443f1b4288bSvb } 444fa9e4066Sahrens val = (uint64_t)fval; 445fa9e4066Sahrens } else { 446fa9e4066Sahrens int shift = str2shift(end); 447f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 448f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 449f1b4288bSvb buf); 450f1b4288bSvb usage(B_FALSE); 451f1b4288bSvb } 452fa9e4066Sahrens val <<= shift; 453fa9e4066Sahrens } 454fa9e4066Sahrens return (val); 455fa9e4066Sahrens } 456fa9e4066Sahrens 457fa9e4066Sahrens static void 458f1b4288bSvb usage(boolean_t requested) 459fa9e4066Sahrens { 460fa9e4066Sahrens char nice_vdev_size[10]; 461fa9e4066Sahrens char nice_gang_bang[10]; 462f1b4288bSvb FILE *fp = requested ? stdout : stderr; 463fa9e4066Sahrens 464fa9e4066Sahrens nicenum(zopt_vdev_size, nice_vdev_size); 465e05725b1Sbonwick nicenum(metaslab_gang_bang, nice_gang_bang); 466fa9e4066Sahrens 467f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 468fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 469fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 4702215e990SMark J Musante "\t[-a alignment_shift (default: %d)] use 0 for random\n" 471fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 472fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 47399653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 474fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 475fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 476fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 4772215e990SMark J Musante "\t[-i init_count (default: %d)] initialize pool i times\n" 4782215e990SMark J Musante "\t[-k kill_percentage (default: %llu%%)]\n" 479fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 4802215e990SMark J Musante "\t[-f dir (default: %s)] file directory for vdev files\n" 4812215e990SMark J Musante "\t[-V] verbose (use multiple times for ever more blather)\n" 4822215e990SMark J Musante "\t[-E] use existing pool instead of creating new one\n" 4832215e990SMark J Musante "\t[-T time (default: %llu sec)] total run time\n" 4842215e990SMark J Musante "\t[-F freezeloops (default: %llu)] max loops in spa_freeze()\n" 4852215e990SMark J Musante "\t[-P passtime (default: %llu sec)] time per pass\n" 486f1b4288bSvb "\t[-h] (print help)\n" 487fa9e4066Sahrens "", 488fa9e4066Sahrens cmdname, 4890a4e9518Sgw (u_longlong_t)zopt_vdevs, /* -v */ 4900a4e9518Sgw nice_vdev_size, /* -s */ 4910a4e9518Sgw zopt_ashift, /* -a */ 4920a4e9518Sgw zopt_mirrors, /* -m */ 4930a4e9518Sgw zopt_raidz, /* -r */ 4940a4e9518Sgw zopt_raidz_parity, /* -R */ 4950a4e9518Sgw zopt_datasets, /* -d */ 4960a4e9518Sgw zopt_threads, /* -t */ 4970a4e9518Sgw nice_gang_bang, /* -g */ 4980a4e9518Sgw zopt_init, /* -i */ 4990a4e9518Sgw (u_longlong_t)zopt_killrate, /* -k */ 5000a4e9518Sgw zopt_pool, /* -p */ 5010a4e9518Sgw zopt_dir, /* -f */ 5020a4e9518Sgw (u_longlong_t)zopt_time, /* -T */ 5032215e990SMark J Musante (u_longlong_t)zopt_maxloops, /* -F */ 504e14bb325SJeff Bonwick (u_longlong_t)zopt_passtime); /* -P */ 505f1b4288bSvb exit(requested ? 0 : 1); 506fa9e4066Sahrens } 507fa9e4066Sahrens 508fa9e4066Sahrens static void 509fa9e4066Sahrens process_options(int argc, char **argv) 510fa9e4066Sahrens { 511fa9e4066Sahrens int opt; 512fa9e4066Sahrens uint64_t value; 513fa9e4066Sahrens 514fa9e4066Sahrens /* By default, test gang blocks for blocks 32K and greater */ 515e05725b1Sbonwick metaslab_gang_bang = 32 << 10; 516fa9e4066Sahrens 517fa9e4066Sahrens while ((opt = getopt(argc, argv, 5182215e990SMark J Musante "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:hF:")) != EOF) { 519fa9e4066Sahrens value = 0; 520fa9e4066Sahrens switch (opt) { 5213d7072f8Seschrock case 'v': 5223d7072f8Seschrock case 's': 5233d7072f8Seschrock case 'a': 5243d7072f8Seschrock case 'm': 5253d7072f8Seschrock case 'r': 5263d7072f8Seschrock case 'R': 5273d7072f8Seschrock case 'd': 5283d7072f8Seschrock case 't': 5293d7072f8Seschrock case 'g': 5303d7072f8Seschrock case 'i': 5313d7072f8Seschrock case 'k': 5323d7072f8Seschrock case 'T': 5333d7072f8Seschrock case 'P': 5342215e990SMark J Musante case 'F': 535fa9e4066Sahrens value = nicenumtoull(optarg); 536fa9e4066Sahrens } 537fa9e4066Sahrens switch (opt) { 5383d7072f8Seschrock case 'v': 539fa9e4066Sahrens zopt_vdevs = value; 540fa9e4066Sahrens break; 5413d7072f8Seschrock case 's': 542fa9e4066Sahrens zopt_vdev_size = MAX(SPA_MINDEVSIZE, value); 543fa9e4066Sahrens break; 5443d7072f8Seschrock case 'a': 545ecc2d604Sbonwick zopt_ashift = value; 546ecc2d604Sbonwick break; 5473d7072f8Seschrock case 'm': 548fa9e4066Sahrens zopt_mirrors = value; 549fa9e4066Sahrens break; 5503d7072f8Seschrock case 'r': 551fa9e4066Sahrens zopt_raidz = MAX(1, value); 552fa9e4066Sahrens break; 5533d7072f8Seschrock case 'R': 554f94275ceSAdam Leventhal zopt_raidz_parity = MIN(MAX(value, 1), 3); 55599653d4eSeschrock break; 5563d7072f8Seschrock case 'd': 557ecc2d604Sbonwick zopt_datasets = MAX(1, value); 558fa9e4066Sahrens break; 5593d7072f8Seschrock case 't': 560fa9e4066Sahrens zopt_threads = MAX(1, value); 561fa9e4066Sahrens break; 5623d7072f8Seschrock case 'g': 563e05725b1Sbonwick metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, value); 564fa9e4066Sahrens break; 5653d7072f8Seschrock case 'i': 566fa9e4066Sahrens zopt_init = value; 567fa9e4066Sahrens break; 5683d7072f8Seschrock case 'k': 569fa9e4066Sahrens zopt_killrate = value; 570fa9e4066Sahrens break; 5713d7072f8Seschrock case 'p': 572fa9e4066Sahrens zopt_pool = strdup(optarg); 573fa9e4066Sahrens break; 5743d7072f8Seschrock case 'f': 575fa9e4066Sahrens zopt_dir = strdup(optarg); 576fa9e4066Sahrens break; 5773d7072f8Seschrock case 'V': 578fa9e4066Sahrens zopt_verbose++; 579fa9e4066Sahrens break; 5803d7072f8Seschrock case 'E': 581fa9e4066Sahrens zopt_init = 0; 582fa9e4066Sahrens break; 5833d7072f8Seschrock case 'T': 584fa9e4066Sahrens zopt_time = value; 585fa9e4066Sahrens break; 5863d7072f8Seschrock case 'P': 587fa9e4066Sahrens zopt_passtime = MAX(1, value); 588fa9e4066Sahrens break; 5892215e990SMark J Musante case 'F': 5902215e990SMark J Musante zopt_maxloops = MAX(1, value); 5912215e990SMark J Musante break; 5923d7072f8Seschrock case 'h': 593f1b4288bSvb usage(B_TRUE); 594f1b4288bSvb break; 5953d7072f8Seschrock case '?': 5963d7072f8Seschrock default: 597f1b4288bSvb usage(B_FALSE); 598fa9e4066Sahrens break; 599fa9e4066Sahrens } 600fa9e4066Sahrens } 601fa9e4066Sahrens 60299653d4eSeschrock zopt_raidz_parity = MIN(zopt_raidz_parity, zopt_raidz - 1); 60399653d4eSeschrock 604b24ab676SJeff Bonwick zopt_vdevtime = (zopt_vdevs > 0 ? zopt_time * NANOSEC / zopt_vdevs : 605b24ab676SJeff Bonwick UINT64_MAX >> 2); 606fa9e4066Sahrens } 607fa9e4066Sahrens 608b24ab676SJeff Bonwick static void 609b24ab676SJeff Bonwick ztest_kill(ztest_shared_t *zs) 610b24ab676SJeff Bonwick { 611b24ab676SJeff Bonwick zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(zs->zs_spa)); 612b24ab676SJeff Bonwick zs->zs_space = metaslab_class_get_space(spa_normal_class(zs->zs_spa)); 613b24ab676SJeff Bonwick (void) kill(getpid(), SIGKILL); 614b24ab676SJeff Bonwick } 615b24ab676SJeff Bonwick 616b24ab676SJeff Bonwick static uint64_t 617b24ab676SJeff Bonwick ztest_random(uint64_t range) 618b24ab676SJeff Bonwick { 619b24ab676SJeff Bonwick uint64_t r; 620b24ab676SJeff Bonwick 621b24ab676SJeff Bonwick if (range == 0) 622b24ab676SJeff Bonwick return (0); 623b24ab676SJeff Bonwick 624b24ab676SJeff Bonwick if (read(ztest_random_fd, &r, sizeof (r)) != sizeof (r)) 625b24ab676SJeff Bonwick fatal(1, "short read from /dev/urandom"); 626b24ab676SJeff Bonwick 627b24ab676SJeff Bonwick return (r % range); 628b24ab676SJeff Bonwick } 629b24ab676SJeff Bonwick 630b24ab676SJeff Bonwick /* ARGSUSED */ 631b24ab676SJeff Bonwick static void 632b24ab676SJeff Bonwick ztest_record_enospc(const char *s) 633b24ab676SJeff Bonwick { 634b24ab676SJeff Bonwick ztest_shared->zs_enospc_count++; 635b24ab676SJeff Bonwick } 636b24ab676SJeff Bonwick 637ecc2d604Sbonwick static uint64_t 638ecc2d604Sbonwick ztest_get_ashift(void) 639ecc2d604Sbonwick { 640ecc2d604Sbonwick if (zopt_ashift == 0) 641ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 642ecc2d604Sbonwick return (zopt_ashift); 643ecc2d604Sbonwick } 644ecc2d604Sbonwick 645fa9e4066Sahrens static nvlist_t * 646e14bb325SJeff Bonwick make_vdev_file(char *path, char *aux, size_t size, uint64_t ashift) 647fa9e4066Sahrens { 648e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 649fa9e4066Sahrens uint64_t vdev; 650fa9e4066Sahrens nvlist_t *file; 651fa9e4066Sahrens 652e14bb325SJeff Bonwick if (ashift == 0) 653e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 654e14bb325SJeff Bonwick 655e14bb325SJeff Bonwick if (path == NULL) { 656e14bb325SJeff Bonwick path = pathbuf; 657fa9e4066Sahrens 658e14bb325SJeff Bonwick if (aux != NULL) { 659e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 660e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, 661e14bb325SJeff Bonwick zopt_dir, zopt_pool, aux, vdev); 662e14bb325SJeff Bonwick } else { 66388ecc943SGeorge Wilson vdev = ztest_shared->zs_vdev_next_leaf++; 664e14bb325SJeff Bonwick (void) sprintf(path, ztest_dev_template, 665e14bb325SJeff Bonwick zopt_dir, zopt_pool, vdev); 666e14bb325SJeff Bonwick } 667e14bb325SJeff Bonwick } 668e14bb325SJeff Bonwick 669e14bb325SJeff Bonwick if (size != 0) { 670e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 671fa9e4066Sahrens if (fd == -1) 672e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 673fa9e4066Sahrens if (ftruncate(fd, size) != 0) 674e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 675fa9e4066Sahrens (void) close(fd); 676fa9e4066Sahrens } 677fa9e4066Sahrens 678fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 679fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 680e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 681ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 682fa9e4066Sahrens 683fa9e4066Sahrens return (file); 684fa9e4066Sahrens } 685fa9e4066Sahrens 686fa9e4066Sahrens static nvlist_t * 687e14bb325SJeff Bonwick make_vdev_raidz(char *path, char *aux, size_t size, uint64_t ashift, int r) 688fa9e4066Sahrens { 689fa9e4066Sahrens nvlist_t *raidz, **child; 690fa9e4066Sahrens int c; 691fa9e4066Sahrens 692fa9e4066Sahrens if (r < 2) 693e14bb325SJeff Bonwick return (make_vdev_file(path, aux, size, ashift)); 694fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 695fa9e4066Sahrens 696fa9e4066Sahrens for (c = 0; c < r; c++) 697e14bb325SJeff Bonwick child[c] = make_vdev_file(path, aux, size, ashift); 698fa9e4066Sahrens 699fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 700fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 701fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 70299653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 70399653d4eSeschrock zopt_raidz_parity) == 0); 704fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 705fa9e4066Sahrens child, r) == 0); 706fa9e4066Sahrens 707fa9e4066Sahrens for (c = 0; c < r; c++) 708fa9e4066Sahrens nvlist_free(child[c]); 709fa9e4066Sahrens 710fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 711fa9e4066Sahrens 712fa9e4066Sahrens return (raidz); 713fa9e4066Sahrens } 714fa9e4066Sahrens 715fa9e4066Sahrens static nvlist_t * 716e14bb325SJeff Bonwick make_vdev_mirror(char *path, char *aux, size_t size, uint64_t ashift, 71731157203SJeff Bonwick int r, int m) 718fa9e4066Sahrens { 719fa9e4066Sahrens nvlist_t *mirror, **child; 720fa9e4066Sahrens int c; 721fa9e4066Sahrens 722fa9e4066Sahrens if (m < 1) 723e14bb325SJeff Bonwick return (make_vdev_raidz(path, aux, size, ashift, r)); 724fa9e4066Sahrens 725fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 726fa9e4066Sahrens 727fa9e4066Sahrens for (c = 0; c < m; c++) 728e14bb325SJeff Bonwick child[c] = make_vdev_raidz(path, aux, size, ashift, r); 729fa9e4066Sahrens 730fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 731fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 732fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 733fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 734fa9e4066Sahrens child, m) == 0); 735fa9e4066Sahrens 736fa9e4066Sahrens for (c = 0; c < m; c++) 737fa9e4066Sahrens nvlist_free(child[c]); 738fa9e4066Sahrens 739fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 740fa9e4066Sahrens 741fa9e4066Sahrens return (mirror); 742fa9e4066Sahrens } 743fa9e4066Sahrens 744fa9e4066Sahrens static nvlist_t * 745e14bb325SJeff Bonwick make_vdev_root(char *path, char *aux, size_t size, uint64_t ashift, 746e14bb325SJeff Bonwick int log, int r, int m, int t) 747fa9e4066Sahrens { 748fa9e4066Sahrens nvlist_t *root, **child; 749fa9e4066Sahrens int c; 750fa9e4066Sahrens 751fa9e4066Sahrens ASSERT(t > 0); 752fa9e4066Sahrens 753fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 754fa9e4066Sahrens 75531157203SJeff Bonwick for (c = 0; c < t; c++) { 75631157203SJeff Bonwick child[c] = make_vdev_mirror(path, aux, size, ashift, r, m); 75731157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 75831157203SJeff Bonwick log) == 0); 75931157203SJeff Bonwick } 760fa9e4066Sahrens 761fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 762fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 763e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 764fa9e4066Sahrens child, t) == 0); 765fa9e4066Sahrens 766fa9e4066Sahrens for (c = 0; c < t; c++) 767fa9e4066Sahrens nvlist_free(child[c]); 768fa9e4066Sahrens 769fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 770fa9e4066Sahrens 771fa9e4066Sahrens return (root); 772fa9e4066Sahrens } 773fa9e4066Sahrens 774b24ab676SJeff Bonwick static int 775b24ab676SJeff Bonwick ztest_random_blocksize(void) 776fa9e4066Sahrens { 777b24ab676SJeff Bonwick return (1 << (SPA_MINBLOCKSHIFT + 778b24ab676SJeff Bonwick ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1))); 779b24ab676SJeff Bonwick } 780fa9e4066Sahrens 781b24ab676SJeff Bonwick static int 782b24ab676SJeff Bonwick ztest_random_ibshift(void) 783b24ab676SJeff Bonwick { 784b24ab676SJeff Bonwick return (DN_MIN_INDBLKSHIFT + 785b24ab676SJeff Bonwick ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1)); 786fa9e4066Sahrens } 787fa9e4066Sahrens 788b24ab676SJeff Bonwick static uint64_t 789b24ab676SJeff Bonwick ztest_random_vdev_top(spa_t *spa, boolean_t log_ok) 790fa9e4066Sahrens { 791b24ab676SJeff Bonwick uint64_t top; 792b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 793b24ab676SJeff Bonwick vdev_t *tvd; 794fa9e4066Sahrens 795b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); 796fa9e4066Sahrens 797b24ab676SJeff Bonwick do { 798b24ab676SJeff Bonwick top = ztest_random(rvd->vdev_children); 799b24ab676SJeff Bonwick tvd = rvd->vdev_child[top]; 800b24ab676SJeff Bonwick } while (tvd->vdev_ishole || (tvd->vdev_islog && !log_ok) || 801b24ab676SJeff Bonwick tvd->vdev_mg == NULL || tvd->vdev_mg->mg_class == NULL); 802fa9e4066Sahrens 803b24ab676SJeff Bonwick return (top); 804fa9e4066Sahrens } 805fa9e4066Sahrens 806b24ab676SJeff Bonwick static uint64_t 807b24ab676SJeff Bonwick ztest_random_dsl_prop(zfs_prop_t prop) 808fa9e4066Sahrens { 809b24ab676SJeff Bonwick uint64_t value; 810b24ab676SJeff Bonwick 811b24ab676SJeff Bonwick do { 812b24ab676SJeff Bonwick value = zfs_prop_random_value(prop, ztest_random(-1ULL)); 813b24ab676SJeff Bonwick } while (prop == ZFS_PROP_CHECKSUM && value == ZIO_CHECKSUM_OFF); 814b24ab676SJeff Bonwick 815b24ab676SJeff Bonwick return (value); 816fa9e4066Sahrens } 817fa9e4066Sahrens 818fa9e4066Sahrens static int 819b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(char *osname, zfs_prop_t prop, uint64_t value, 820b24ab676SJeff Bonwick boolean_t inherit) 821fa9e4066Sahrens { 822b24ab676SJeff Bonwick const char *propname = zfs_prop_to_name(prop); 823b24ab676SJeff Bonwick const char *valname; 824b24ab676SJeff Bonwick char setpoint[MAXPATHLEN]; 825b24ab676SJeff Bonwick uint64_t curval; 826fa9e4066Sahrens int error; 827fa9e4066Sahrens 82892241e0bSTom Erickson error = dsl_prop_set(osname, propname, 82992241e0bSTom Erickson (inherit ? ZPROP_SRC_NONE : ZPROP_SRC_LOCAL), 83092241e0bSTom Erickson sizeof (value), 1, &value); 831fa9e4066Sahrens 832b24ab676SJeff Bonwick if (error == ENOSPC) { 833b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 834fa9e4066Sahrens return (error); 835fa9e4066Sahrens } 83699653d4eSeschrock ASSERT3U(error, ==, 0); 837fa9e4066Sahrens 838b24ab676SJeff Bonwick VERIFY3U(dsl_prop_get(osname, propname, sizeof (curval), 839b24ab676SJeff Bonwick 1, &curval, setpoint), ==, 0); 840b24ab676SJeff Bonwick 841b24ab676SJeff Bonwick if (zopt_verbose >= 6) { 842b24ab676SJeff Bonwick VERIFY(zfs_prop_index_to_string(prop, curval, &valname) == 0); 843b24ab676SJeff Bonwick (void) printf("%s %s = %s at '%s'\n", 844b24ab676SJeff Bonwick osname, propname, valname, setpoint); 845fa9e4066Sahrens } 846fa9e4066Sahrens 847fa9e4066Sahrens return (error); 848fa9e4066Sahrens } 849fa9e4066Sahrens 850fa9e4066Sahrens static int 851b24ab676SJeff Bonwick ztest_spa_prop_set_uint64(ztest_shared_t *zs, zpool_prop_t prop, uint64_t value) 852fa9e4066Sahrens { 853b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 854b24ab676SJeff Bonwick nvlist_t *props = NULL; 855fa9e4066Sahrens int error; 856fa9e4066Sahrens 857b24ab676SJeff Bonwick VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 858b24ab676SJeff Bonwick VERIFY(nvlist_add_uint64(props, zpool_prop_to_name(prop), value) == 0); 859fa9e4066Sahrens 860b24ab676SJeff Bonwick error = spa_prop_set(spa, props); 861b24ab676SJeff Bonwick 862b24ab676SJeff Bonwick nvlist_free(props); 863b24ab676SJeff Bonwick 864b24ab676SJeff Bonwick if (error == ENOSPC) { 865b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 866fa9e4066Sahrens return (error); 867fa9e4066Sahrens } 868b24ab676SJeff Bonwick ASSERT3U(error, ==, 0); 869fa9e4066Sahrens 870fa9e4066Sahrens return (error); 871fa9e4066Sahrens } 872fa9e4066Sahrens 873b24ab676SJeff Bonwick static void 874b24ab676SJeff Bonwick ztest_rll_init(rll_t *rll) 875b24ab676SJeff Bonwick { 876b24ab676SJeff Bonwick rll->rll_writer = NULL; 877b24ab676SJeff Bonwick rll->rll_readers = 0; 878b24ab676SJeff Bonwick VERIFY(_mutex_init(&rll->rll_lock, USYNC_THREAD, NULL) == 0); 879b24ab676SJeff Bonwick VERIFY(cond_init(&rll->rll_cv, USYNC_THREAD, NULL) == 0); 880b24ab676SJeff Bonwick } 881fa9e4066Sahrens 882b24ab676SJeff Bonwick static void 883b24ab676SJeff Bonwick ztest_rll_destroy(rll_t *rll) 884fa9e4066Sahrens { 885b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 886b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 887b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&rll->rll_lock) == 0); 888b24ab676SJeff Bonwick VERIFY(cond_destroy(&rll->rll_cv) == 0); 889b24ab676SJeff Bonwick } 890fa9e4066Sahrens 891b24ab676SJeff Bonwick static void 892b24ab676SJeff Bonwick ztest_rll_lock(rll_t *rll, rl_type_t type) 893b24ab676SJeff Bonwick { 894b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 895fa9e4066Sahrens 896b24ab676SJeff Bonwick if (type == RL_READER) { 897b24ab676SJeff Bonwick while (rll->rll_writer != NULL) 898b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 899b24ab676SJeff Bonwick rll->rll_readers++; 900b24ab676SJeff Bonwick } else { 901b24ab676SJeff Bonwick while (rll->rll_writer != NULL || rll->rll_readers) 902b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 903b24ab676SJeff Bonwick rll->rll_writer = curthread; 904b24ab676SJeff Bonwick } 905fa9e4066Sahrens 906b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 907b24ab676SJeff Bonwick } 908fa9e4066Sahrens 909b24ab676SJeff Bonwick static void 910b24ab676SJeff Bonwick ztest_rll_unlock(rll_t *rll) 911b24ab676SJeff Bonwick { 912b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 913fa9e4066Sahrens 914b24ab676SJeff Bonwick if (rll->rll_writer) { 915b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 916b24ab676SJeff Bonwick rll->rll_writer = NULL; 917b24ab676SJeff Bonwick } else { 918b24ab676SJeff Bonwick ASSERT(rll->rll_readers != 0); 919b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 920b24ab676SJeff Bonwick rll->rll_readers--; 921b24ab676SJeff Bonwick } 922fa9e4066Sahrens 923b24ab676SJeff Bonwick if (rll->rll_writer == NULL && rll->rll_readers == 0) 924b24ab676SJeff Bonwick VERIFY(cond_broadcast(&rll->rll_cv) == 0); 925b24ab676SJeff Bonwick 926b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 927fa9e4066Sahrens } 928fa9e4066Sahrens 929b24ab676SJeff Bonwick static void 930b24ab676SJeff Bonwick ztest_object_lock(ztest_ds_t *zd, uint64_t object, rl_type_t type) 93131157203SJeff Bonwick { 932b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 93331157203SJeff Bonwick 934b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 935b24ab676SJeff Bonwick } 93631157203SJeff Bonwick 937b24ab676SJeff Bonwick static void 938b24ab676SJeff Bonwick ztest_object_unlock(ztest_ds_t *zd, uint64_t object) 939b24ab676SJeff Bonwick { 940b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 94131157203SJeff Bonwick 942b24ab676SJeff Bonwick ztest_rll_unlock(rll); 94331157203SJeff Bonwick } 94431157203SJeff Bonwick 945b24ab676SJeff Bonwick static rl_t * 946b24ab676SJeff Bonwick ztest_range_lock(ztest_ds_t *zd, uint64_t object, uint64_t offset, 947b24ab676SJeff Bonwick uint64_t size, rl_type_t type) 94888ecc943SGeorge Wilson { 949b24ab676SJeff Bonwick uint64_t hash = object ^ (offset % (ZTEST_RANGE_LOCKS + 1)); 950b24ab676SJeff Bonwick rll_t *rll = &zd->zd_range_lock[hash & (ZTEST_RANGE_LOCKS - 1)]; 951b24ab676SJeff Bonwick rl_t *rl; 95288ecc943SGeorge Wilson 953b24ab676SJeff Bonwick rl = umem_alloc(sizeof (*rl), UMEM_NOFAIL); 954b24ab676SJeff Bonwick rl->rl_object = object; 955b24ab676SJeff Bonwick rl->rl_offset = offset; 956b24ab676SJeff Bonwick rl->rl_size = size; 957b24ab676SJeff Bonwick rl->rl_lock = rll; 95888ecc943SGeorge Wilson 959b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 96088ecc943SGeorge Wilson 961b24ab676SJeff Bonwick return (rl); 96288ecc943SGeorge Wilson } 96388ecc943SGeorge Wilson 964b24ab676SJeff Bonwick static void 965b24ab676SJeff Bonwick ztest_range_unlock(rl_t *rl) 966fa9e4066Sahrens { 967b24ab676SJeff Bonwick rll_t *rll = rl->rl_lock; 968fa9e4066Sahrens 969b24ab676SJeff Bonwick ztest_rll_unlock(rll); 970fa9e4066Sahrens 971b24ab676SJeff Bonwick umem_free(rl, sizeof (*rl)); 972b24ab676SJeff Bonwick } 973fa9e4066Sahrens 974b24ab676SJeff Bonwick static void 975b24ab676SJeff Bonwick ztest_zd_init(ztest_ds_t *zd, objset_t *os) 976b24ab676SJeff Bonwick { 977b24ab676SJeff Bonwick zd->zd_os = os; 978b24ab676SJeff Bonwick zd->zd_zilog = dmu_objset_zil(os); 979b24ab676SJeff Bonwick zd->zd_seq = 0; 980b24ab676SJeff Bonwick dmu_objset_name(os, zd->zd_name); 981fa9e4066Sahrens 982b24ab676SJeff Bonwick VERIFY(_mutex_init(&zd->zd_dirobj_lock, USYNC_THREAD, NULL) == 0); 983b24ab676SJeff Bonwick 984b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 985b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_object_lock[l]); 986b24ab676SJeff Bonwick 987b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 988b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_range_lock[l]); 989b24ab676SJeff Bonwick } 990b24ab676SJeff Bonwick 991b24ab676SJeff Bonwick static void 992b24ab676SJeff Bonwick ztest_zd_fini(ztest_ds_t *zd) 993b24ab676SJeff Bonwick { 994b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&zd->zd_dirobj_lock) == 0); 995b24ab676SJeff Bonwick 996b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 997b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_object_lock[l]); 998b24ab676SJeff Bonwick 999b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1000b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_range_lock[l]); 1001b24ab676SJeff Bonwick } 1002b24ab676SJeff Bonwick 1003b24ab676SJeff Bonwick #define TXG_MIGHTWAIT (ztest_random(10) == 0 ? TXG_NOWAIT : TXG_WAIT) 1004b24ab676SJeff Bonwick 1005b24ab676SJeff Bonwick static uint64_t 1006b24ab676SJeff Bonwick ztest_tx_assign(dmu_tx_t *tx, uint64_t txg_how, const char *tag) 1007b24ab676SJeff Bonwick { 1008b24ab676SJeff Bonwick uint64_t txg; 1009b24ab676SJeff Bonwick int error; 1010b24ab676SJeff Bonwick 1011b24ab676SJeff Bonwick /* 1012b24ab676SJeff Bonwick * Attempt to assign tx to some transaction group. 1013b24ab676SJeff Bonwick */ 1014b24ab676SJeff Bonwick error = dmu_tx_assign(tx, txg_how); 1015b24ab676SJeff Bonwick if (error) { 1016b24ab676SJeff Bonwick if (error == ERESTART) { 1017b24ab676SJeff Bonwick ASSERT(txg_how == TXG_NOWAIT); 1018b24ab676SJeff Bonwick dmu_tx_wait(tx); 1019b24ab676SJeff Bonwick } else { 1020b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1021b24ab676SJeff Bonwick ztest_record_enospc(tag); 1022b24ab676SJeff Bonwick } 1023b24ab676SJeff Bonwick dmu_tx_abort(tx); 1024b24ab676SJeff Bonwick return (0); 1025b24ab676SJeff Bonwick } 1026b24ab676SJeff Bonwick txg = dmu_tx_get_txg(tx); 1027b24ab676SJeff Bonwick ASSERT(txg != 0); 1028b24ab676SJeff Bonwick return (txg); 1029b24ab676SJeff Bonwick } 1030b24ab676SJeff Bonwick 1031b24ab676SJeff Bonwick static void 1032b24ab676SJeff Bonwick ztest_pattern_set(void *buf, uint64_t size, uint64_t value) 1033b24ab676SJeff Bonwick { 1034b24ab676SJeff Bonwick uint64_t *ip = buf; 1035b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1036b24ab676SJeff Bonwick 1037b24ab676SJeff Bonwick while (ip < ip_end) 1038b24ab676SJeff Bonwick *ip++ = value; 1039b24ab676SJeff Bonwick } 1040b24ab676SJeff Bonwick 1041b24ab676SJeff Bonwick static boolean_t 1042b24ab676SJeff Bonwick ztest_pattern_match(void *buf, uint64_t size, uint64_t value) 1043b24ab676SJeff Bonwick { 1044b24ab676SJeff Bonwick uint64_t *ip = buf; 1045b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1046b24ab676SJeff Bonwick uint64_t diff = 0; 1047b24ab676SJeff Bonwick 1048b24ab676SJeff Bonwick while (ip < ip_end) 1049b24ab676SJeff Bonwick diff |= (value - *ip++); 1050b24ab676SJeff Bonwick 1051b24ab676SJeff Bonwick return (diff == 0); 1052b24ab676SJeff Bonwick } 1053b24ab676SJeff Bonwick 1054b24ab676SJeff Bonwick static void 1055b24ab676SJeff Bonwick ztest_bt_generate(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1056b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1057b24ab676SJeff Bonwick { 1058b24ab676SJeff Bonwick bt->bt_magic = BT_MAGIC; 1059b24ab676SJeff Bonwick bt->bt_objset = dmu_objset_id(os); 1060b24ab676SJeff Bonwick bt->bt_object = object; 1061b24ab676SJeff Bonwick bt->bt_offset = offset; 1062b24ab676SJeff Bonwick bt->bt_gen = gen; 1063b24ab676SJeff Bonwick bt->bt_txg = txg; 1064b24ab676SJeff Bonwick bt->bt_crtxg = crtxg; 1065b24ab676SJeff Bonwick } 1066b24ab676SJeff Bonwick 1067b24ab676SJeff Bonwick static void 1068b24ab676SJeff Bonwick ztest_bt_verify(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1069b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1070b24ab676SJeff Bonwick { 1071b24ab676SJeff Bonwick ASSERT(bt->bt_magic == BT_MAGIC); 1072b24ab676SJeff Bonwick ASSERT(bt->bt_objset == dmu_objset_id(os)); 1073b24ab676SJeff Bonwick ASSERT(bt->bt_object == object); 1074b24ab676SJeff Bonwick ASSERT(bt->bt_offset == offset); 1075b24ab676SJeff Bonwick ASSERT(bt->bt_gen <= gen); 1076b24ab676SJeff Bonwick ASSERT(bt->bt_txg <= txg); 1077b24ab676SJeff Bonwick ASSERT(bt->bt_crtxg == crtxg); 1078b24ab676SJeff Bonwick } 1079b24ab676SJeff Bonwick 1080b24ab676SJeff Bonwick static ztest_block_tag_t * 1081b24ab676SJeff Bonwick ztest_bt_bonus(dmu_buf_t *db) 1082b24ab676SJeff Bonwick { 1083b24ab676SJeff Bonwick dmu_object_info_t doi; 1084b24ab676SJeff Bonwick ztest_block_tag_t *bt; 1085b24ab676SJeff Bonwick 1086b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1087b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, <=, db->db_size); 1088b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, >=, sizeof (*bt)); 1089b24ab676SJeff Bonwick bt = (void *)((char *)db->db_data + doi.doi_bonus_size - sizeof (*bt)); 1090b24ab676SJeff Bonwick 1091b24ab676SJeff Bonwick return (bt); 1092b24ab676SJeff Bonwick } 1093b24ab676SJeff Bonwick 1094b24ab676SJeff Bonwick /* 1095b24ab676SJeff Bonwick * ZIL logging ops 1096b24ab676SJeff Bonwick */ 1097b24ab676SJeff Bonwick 1098b24ab676SJeff Bonwick #define lrz_type lr_mode 1099b24ab676SJeff Bonwick #define lrz_blocksize lr_uid 1100b24ab676SJeff Bonwick #define lrz_ibshift lr_gid 1101b24ab676SJeff Bonwick #define lrz_bonustype lr_rdev 1102b24ab676SJeff Bonwick #define lrz_bonuslen lr_crtime[1] 1103b24ab676SJeff Bonwick 1104b24ab676SJeff Bonwick static uint64_t 1105b24ab676SJeff Bonwick ztest_log_create(ztest_ds_t *zd, dmu_tx_t *tx, lr_create_t *lr) 1106b24ab676SJeff Bonwick { 1107b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1108b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1109b24ab676SJeff Bonwick itx_t *itx; 1110b24ab676SJeff Bonwick 1111b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 1112b24ab676SJeff Bonwick return (0); 1113b24ab676SJeff Bonwick 1114b24ab676SJeff Bonwick itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize); 1115b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1116b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1117b24ab676SJeff Bonwick 1118b24ab676SJeff Bonwick return (zil_itx_assign(zd->zd_zilog, itx, tx)); 1119b24ab676SJeff Bonwick } 1120b24ab676SJeff Bonwick 1121b24ab676SJeff Bonwick static uint64_t 1122b24ab676SJeff Bonwick ztest_log_remove(ztest_ds_t *zd, dmu_tx_t *tx, lr_remove_t *lr) 1123b24ab676SJeff Bonwick { 1124b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1125b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1126b24ab676SJeff Bonwick itx_t *itx; 1127b24ab676SJeff Bonwick 1128b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 1129b24ab676SJeff Bonwick return (0); 1130b24ab676SJeff Bonwick 1131b24ab676SJeff Bonwick itx = zil_itx_create(TX_REMOVE, sizeof (*lr) + namesize); 1132b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1133b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1134b24ab676SJeff Bonwick 1135b24ab676SJeff Bonwick return (zil_itx_assign(zd->zd_zilog, itx, tx)); 1136b24ab676SJeff Bonwick } 1137b24ab676SJeff Bonwick 1138b24ab676SJeff Bonwick static uint64_t 1139b24ab676SJeff Bonwick ztest_log_write(ztest_ds_t *zd, dmu_tx_t *tx, lr_write_t *lr) 1140b24ab676SJeff Bonwick { 1141b24ab676SJeff Bonwick itx_t *itx; 1142b24ab676SJeff Bonwick itx_wr_state_t write_state = ztest_random(WR_NUM_STATES); 1143b24ab676SJeff Bonwick 1144b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 1145b24ab676SJeff Bonwick return (0); 1146b24ab676SJeff Bonwick 1147b24ab676SJeff Bonwick if (lr->lr_length > ZIL_MAX_LOG_DATA) 1148b24ab676SJeff Bonwick write_state = WR_INDIRECT; 1149b24ab676SJeff Bonwick 1150b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, 1151b24ab676SJeff Bonwick sizeof (*lr) + (write_state == WR_COPIED ? lr->lr_length : 0)); 1152b24ab676SJeff Bonwick 1153b24ab676SJeff Bonwick if (write_state == WR_COPIED && 1154b24ab676SJeff Bonwick dmu_read(zd->zd_os, lr->lr_foid, lr->lr_offset, lr->lr_length, 1155b24ab676SJeff Bonwick ((lr_write_t *)&itx->itx_lr) + 1, DMU_READ_NO_PREFETCH) != 0) { 1156b24ab676SJeff Bonwick zil_itx_destroy(itx); 1157b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, sizeof (*lr)); 1158b24ab676SJeff Bonwick write_state = WR_NEED_COPY; 1159b24ab676SJeff Bonwick } 1160b24ab676SJeff Bonwick itx->itx_private = zd; 1161b24ab676SJeff Bonwick itx->itx_wr_state = write_state; 1162b24ab676SJeff Bonwick itx->itx_sync = (ztest_random(8) == 0); 1163b24ab676SJeff Bonwick itx->itx_sod += (write_state == WR_NEED_COPY ? lr->lr_length : 0); 1164b24ab676SJeff Bonwick 1165b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1166b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1167b24ab676SJeff Bonwick 1168b24ab676SJeff Bonwick return (zil_itx_assign(zd->zd_zilog, itx, tx)); 1169b24ab676SJeff Bonwick } 1170b24ab676SJeff Bonwick 1171b24ab676SJeff Bonwick static uint64_t 1172b24ab676SJeff Bonwick ztest_log_truncate(ztest_ds_t *zd, dmu_tx_t *tx, lr_truncate_t *lr) 1173b24ab676SJeff Bonwick { 1174b24ab676SJeff Bonwick itx_t *itx; 1175b24ab676SJeff Bonwick 1176b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 1177b24ab676SJeff Bonwick return (0); 1178b24ab676SJeff Bonwick 1179b24ab676SJeff Bonwick itx = zil_itx_create(TX_TRUNCATE, sizeof (*lr)); 1180b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1181b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1182b24ab676SJeff Bonwick 1183b24ab676SJeff Bonwick return (zil_itx_assign(zd->zd_zilog, itx, tx)); 1184b24ab676SJeff Bonwick } 1185b24ab676SJeff Bonwick 1186b24ab676SJeff Bonwick static uint64_t 1187b24ab676SJeff Bonwick ztest_log_setattr(ztest_ds_t *zd, dmu_tx_t *tx, lr_setattr_t *lr) 1188b24ab676SJeff Bonwick { 1189b24ab676SJeff Bonwick itx_t *itx; 1190b24ab676SJeff Bonwick 1191b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 1192b24ab676SJeff Bonwick return (0); 1193b24ab676SJeff Bonwick 1194b24ab676SJeff Bonwick itx = zil_itx_create(TX_SETATTR, sizeof (*lr)); 1195b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1196b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1197b24ab676SJeff Bonwick 1198b24ab676SJeff Bonwick return (zil_itx_assign(zd->zd_zilog, itx, tx)); 1199b24ab676SJeff Bonwick } 1200b24ab676SJeff Bonwick 1201b24ab676SJeff Bonwick /* 1202b24ab676SJeff Bonwick * ZIL replay ops 1203b24ab676SJeff Bonwick */ 1204b24ab676SJeff Bonwick static int 1205b24ab676SJeff Bonwick ztest_replay_create(ztest_ds_t *zd, lr_create_t *lr, boolean_t byteswap) 1206b24ab676SJeff Bonwick { 1207b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1208b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1209b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1210b24ab676SJeff Bonwick dmu_buf_t *db; 1211b24ab676SJeff Bonwick dmu_tx_t *tx; 1212b24ab676SJeff Bonwick uint64_t txg; 1213b24ab676SJeff Bonwick int error = 0; 1214b24ab676SJeff Bonwick 1215b24ab676SJeff Bonwick if (byteswap) 1216b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1217b24ab676SJeff Bonwick 1218b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1219b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1220b24ab676SJeff Bonwick 1221b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1222b24ab676SJeff Bonwick 1223b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_TRUE, name); 1224b24ab676SJeff Bonwick 1225b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1226b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); 1227b24ab676SJeff Bonwick } else { 1228b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1229b24ab676SJeff Bonwick } 1230b24ab676SJeff Bonwick 1231b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1232b24ab676SJeff Bonwick if (txg == 0) 1233b24ab676SJeff Bonwick return (ENOSPC); 1234b24ab676SJeff Bonwick 1235b24ab676SJeff Bonwick ASSERT(dmu_objset_zil(os)->zl_replay == !!lr->lr_foid); 1236b24ab676SJeff Bonwick 1237b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1238b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1239b24ab676SJeff Bonwick lr->lr_foid = zap_create(os, 1240b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1241b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1242b24ab676SJeff Bonwick } else { 1243b24ab676SJeff Bonwick error = zap_create_claim(os, lr->lr_foid, 1244b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1245b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1246b24ab676SJeff Bonwick } 1247b24ab676SJeff Bonwick } else { 1248b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1249b24ab676SJeff Bonwick lr->lr_foid = dmu_object_alloc(os, 1250b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1251b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1252b24ab676SJeff Bonwick } else { 1253b24ab676SJeff Bonwick error = dmu_object_claim(os, lr->lr_foid, 1254b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1255b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1256b24ab676SJeff Bonwick } 1257b24ab676SJeff Bonwick } 1258b24ab676SJeff Bonwick 1259b24ab676SJeff Bonwick if (error) { 1260b24ab676SJeff Bonwick ASSERT3U(error, ==, EEXIST); 1261b24ab676SJeff Bonwick ASSERT(zd->zd_zilog->zl_replay); 1262b24ab676SJeff Bonwick dmu_tx_commit(tx); 1263b24ab676SJeff Bonwick return (error); 1264b24ab676SJeff Bonwick } 1265b24ab676SJeff Bonwick 1266b24ab676SJeff Bonwick ASSERT(lr->lr_foid != 0); 1267b24ab676SJeff Bonwick 1268b24ab676SJeff Bonwick if (lr->lrz_type != DMU_OT_ZAP_OTHER) 1269b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_object_set_blocksize(os, lr->lr_foid, 1270b24ab676SJeff Bonwick lr->lrz_blocksize, lr->lrz_ibshift, tx)); 1271b24ab676SJeff Bonwick 1272b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1273b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1274b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1275b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_gen, txg, txg); 1276b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1277b24ab676SJeff Bonwick 1278b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_add(os, lr->lr_doid, name, sizeof (uint64_t), 1, 1279b24ab676SJeff Bonwick &lr->lr_foid, tx)); 1280b24ab676SJeff Bonwick 1281b24ab676SJeff Bonwick (void) ztest_log_create(zd, tx, lr); 1282b24ab676SJeff Bonwick 1283b24ab676SJeff Bonwick dmu_tx_commit(tx); 1284b24ab676SJeff Bonwick 1285b24ab676SJeff Bonwick return (0); 1286b24ab676SJeff Bonwick } 1287b24ab676SJeff Bonwick 1288b24ab676SJeff Bonwick static int 1289b24ab676SJeff Bonwick ztest_replay_remove(ztest_ds_t *zd, lr_remove_t *lr, boolean_t byteswap) 1290b24ab676SJeff Bonwick { 1291b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1292b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1293b24ab676SJeff Bonwick dmu_object_info_t doi; 1294b24ab676SJeff Bonwick dmu_tx_t *tx; 1295b24ab676SJeff Bonwick uint64_t object, txg; 1296b24ab676SJeff Bonwick 1297b24ab676SJeff Bonwick if (byteswap) 1298b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1299b24ab676SJeff Bonwick 1300b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1301b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1302b24ab676SJeff Bonwick 1303b24ab676SJeff Bonwick VERIFY3U(0, ==, 1304b24ab676SJeff Bonwick zap_lookup(os, lr->lr_doid, name, sizeof (object), 1, &object)); 1305b24ab676SJeff Bonwick ASSERT(object != 0); 1306b24ab676SJeff Bonwick 1307b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_WRITER); 1308b24ab676SJeff Bonwick 1309b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_object_info(os, object, &doi)); 1310b24ab676SJeff Bonwick 1311b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1312b24ab676SJeff Bonwick 1313b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_FALSE, name); 1314b24ab676SJeff Bonwick dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1315b24ab676SJeff Bonwick 1316b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1317b24ab676SJeff Bonwick if (txg == 0) { 1318b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1319b24ab676SJeff Bonwick return (ENOSPC); 1320b24ab676SJeff Bonwick } 1321b24ab676SJeff Bonwick 1322b24ab676SJeff Bonwick if (doi.doi_type == DMU_OT_ZAP_OTHER) { 1323b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_destroy(os, object, tx)); 1324b24ab676SJeff Bonwick } else { 1325b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_object_free(os, object, tx)); 1326b24ab676SJeff Bonwick } 1327b24ab676SJeff Bonwick 1328b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, lr->lr_doid, name, tx)); 1329b24ab676SJeff Bonwick 1330b24ab676SJeff Bonwick (void) ztest_log_remove(zd, tx, lr); 1331b24ab676SJeff Bonwick 1332b24ab676SJeff Bonwick dmu_tx_commit(tx); 1333b24ab676SJeff Bonwick 1334b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1335b24ab676SJeff Bonwick 1336b24ab676SJeff Bonwick return (0); 1337b24ab676SJeff Bonwick } 1338b24ab676SJeff Bonwick 1339b24ab676SJeff Bonwick static int 1340b24ab676SJeff Bonwick ztest_replay_write(ztest_ds_t *zd, lr_write_t *lr, boolean_t byteswap) 1341b24ab676SJeff Bonwick { 1342b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1343b24ab676SJeff Bonwick void *data = lr + 1; /* data follows lr */ 1344b24ab676SJeff Bonwick uint64_t offset, length; 1345b24ab676SJeff Bonwick ztest_block_tag_t *bt = data; 1346b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1347b24ab676SJeff Bonwick uint64_t gen, txg, lrtxg, crtxg; 1348b24ab676SJeff Bonwick dmu_object_info_t doi; 1349b24ab676SJeff Bonwick dmu_tx_t *tx; 1350b24ab676SJeff Bonwick dmu_buf_t *db; 1351b24ab676SJeff Bonwick arc_buf_t *abuf = NULL; 1352b24ab676SJeff Bonwick rl_t *rl; 1353b24ab676SJeff Bonwick 1354b24ab676SJeff Bonwick if (byteswap) 1355b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1356b24ab676SJeff Bonwick 1357b24ab676SJeff Bonwick offset = lr->lr_offset; 1358b24ab676SJeff Bonwick length = lr->lr_length; 1359b24ab676SJeff Bonwick 1360b24ab676SJeff Bonwick /* If it's a dmu_sync() block, write the whole block */ 1361b24ab676SJeff Bonwick if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 1362b24ab676SJeff Bonwick uint64_t blocksize = BP_GET_LSIZE(&lr->lr_blkptr); 1363b24ab676SJeff Bonwick if (length < blocksize) { 1364b24ab676SJeff Bonwick offset -= offset % blocksize; 1365b24ab676SJeff Bonwick length = blocksize; 1366b24ab676SJeff Bonwick } 1367b24ab676SJeff Bonwick } 1368b24ab676SJeff Bonwick 1369b24ab676SJeff Bonwick if (bt->bt_magic == BSWAP_64(BT_MAGIC)) 1370b24ab676SJeff Bonwick byteswap_uint64_array(bt, sizeof (*bt)); 1371b24ab676SJeff Bonwick 1372b24ab676SJeff Bonwick if (bt->bt_magic != BT_MAGIC) 1373b24ab676SJeff Bonwick bt = NULL; 1374b24ab676SJeff Bonwick 1375b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1376b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, offset, length, RL_WRITER); 1377b24ab676SJeff Bonwick 1378b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1379b24ab676SJeff Bonwick 1380b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1381b24ab676SJeff Bonwick 1382b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1383b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1384b24ab676SJeff Bonwick gen = bbt->bt_gen; 1385b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1386b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1387b24ab676SJeff Bonwick 1388b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1389b24ab676SJeff Bonwick 1390b24ab676SJeff Bonwick dmu_tx_hold_write(tx, lr->lr_foid, offset, length); 1391b24ab676SJeff Bonwick 1392b24ab676SJeff Bonwick if (ztest_random(8) == 0 && length == doi.doi_data_block_size && 1393b24ab676SJeff Bonwick P2PHASE(offset, length) == 0) 1394b24ab676SJeff Bonwick abuf = dmu_request_arcbuf(db, length); 1395b24ab676SJeff Bonwick 1396b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1397b24ab676SJeff Bonwick if (txg == 0) { 1398b24ab676SJeff Bonwick if (abuf != NULL) 1399b24ab676SJeff Bonwick dmu_return_arcbuf(abuf); 1400b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1401b24ab676SJeff Bonwick ztest_range_unlock(rl); 1402b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1403b24ab676SJeff Bonwick return (ENOSPC); 1404b24ab676SJeff Bonwick } 1405b24ab676SJeff Bonwick 1406b24ab676SJeff Bonwick if (bt != NULL) { 1407b24ab676SJeff Bonwick /* 1408b24ab676SJeff Bonwick * Usually, verify the old data before writing new data -- 1409b24ab676SJeff Bonwick * but not always, because we also want to verify correct 1410b24ab676SJeff Bonwick * behavior when the data was not recently read into cache. 1411b24ab676SJeff Bonwick */ 1412b24ab676SJeff Bonwick ASSERT(offset % doi.doi_data_block_size == 0); 1413b24ab676SJeff Bonwick if (ztest_random(4) != 0) { 1414b24ab676SJeff Bonwick int prefetch = ztest_random(2) ? 1415b24ab676SJeff Bonwick DMU_READ_PREFETCH : DMU_READ_NO_PREFETCH; 1416b24ab676SJeff Bonwick ztest_block_tag_t rbt; 1417b24ab676SJeff Bonwick 1418b24ab676SJeff Bonwick VERIFY(dmu_read(os, lr->lr_foid, offset, 1419b24ab676SJeff Bonwick sizeof (rbt), &rbt, prefetch) == 0); 1420b24ab676SJeff Bonwick if (rbt.bt_magic == BT_MAGIC) { 1421b24ab676SJeff Bonwick ztest_bt_verify(&rbt, os, lr->lr_foid, 1422b24ab676SJeff Bonwick offset, gen, txg, crtxg); 1423b24ab676SJeff Bonwick } 1424b24ab676SJeff Bonwick } 1425b24ab676SJeff Bonwick 1426b24ab676SJeff Bonwick /* 1427b24ab676SJeff Bonwick * Writes can appear to be newer than the bonus buffer because 1428b24ab676SJeff Bonwick * the ztest_get_data() callback does a dmu_read() of the 1429b24ab676SJeff Bonwick * open-context data, which may be different than the data 1430b24ab676SJeff Bonwick * as it was when the write was generated. 1431b24ab676SJeff Bonwick */ 1432b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1433b24ab676SJeff Bonwick ztest_bt_verify(bt, os, lr->lr_foid, offset, 1434b24ab676SJeff Bonwick MAX(gen, bt->bt_gen), MAX(txg, lrtxg), 1435b24ab676SJeff Bonwick bt->bt_crtxg); 1436b24ab676SJeff Bonwick } 1437b24ab676SJeff Bonwick 1438b24ab676SJeff Bonwick /* 1439b24ab676SJeff Bonwick * Set the bt's gen/txg to the bonus buffer's gen/txg 1440b24ab676SJeff Bonwick * so that all of the usual ASSERTs will work. 1441b24ab676SJeff Bonwick */ 1442b24ab676SJeff Bonwick ztest_bt_generate(bt, os, lr->lr_foid, offset, gen, txg, crtxg); 1443b24ab676SJeff Bonwick } 1444b24ab676SJeff Bonwick 1445b24ab676SJeff Bonwick if (abuf == NULL) { 1446b24ab676SJeff Bonwick dmu_write(os, lr->lr_foid, offset, length, data, tx); 1447b24ab676SJeff Bonwick } else { 1448b24ab676SJeff Bonwick bcopy(data, abuf->b_data, length); 1449b24ab676SJeff Bonwick dmu_assign_arcbuf(db, offset, abuf, tx); 1450b24ab676SJeff Bonwick } 1451b24ab676SJeff Bonwick 1452b24ab676SJeff Bonwick (void) ztest_log_write(zd, tx, lr); 1453b24ab676SJeff Bonwick 1454b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1455b24ab676SJeff Bonwick 1456b24ab676SJeff Bonwick dmu_tx_commit(tx); 1457b24ab676SJeff Bonwick 1458b24ab676SJeff Bonwick ztest_range_unlock(rl); 1459b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1460b24ab676SJeff Bonwick 1461b24ab676SJeff Bonwick return (0); 1462b24ab676SJeff Bonwick } 1463b24ab676SJeff Bonwick 1464b24ab676SJeff Bonwick static int 1465b24ab676SJeff Bonwick ztest_replay_truncate(ztest_ds_t *zd, lr_truncate_t *lr, boolean_t byteswap) 1466b24ab676SJeff Bonwick { 1467b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1468b24ab676SJeff Bonwick dmu_tx_t *tx; 1469b24ab676SJeff Bonwick uint64_t txg; 1470b24ab676SJeff Bonwick rl_t *rl; 1471b24ab676SJeff Bonwick 1472b24ab676SJeff Bonwick if (byteswap) 1473b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1474b24ab676SJeff Bonwick 1475b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1476b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, lr->lr_offset, lr->lr_length, 1477b24ab676SJeff Bonwick RL_WRITER); 1478b24ab676SJeff Bonwick 1479b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1480b24ab676SJeff Bonwick 1481b24ab676SJeff Bonwick dmu_tx_hold_free(tx, lr->lr_foid, lr->lr_offset, lr->lr_length); 1482b24ab676SJeff Bonwick 1483b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1484b24ab676SJeff Bonwick if (txg == 0) { 1485b24ab676SJeff Bonwick ztest_range_unlock(rl); 1486b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1487b24ab676SJeff Bonwick return (ENOSPC); 1488b24ab676SJeff Bonwick } 1489b24ab676SJeff Bonwick 1490b24ab676SJeff Bonwick VERIFY(dmu_free_range(os, lr->lr_foid, lr->lr_offset, 1491b24ab676SJeff Bonwick lr->lr_length, tx) == 0); 1492b24ab676SJeff Bonwick 1493b24ab676SJeff Bonwick (void) ztest_log_truncate(zd, tx, lr); 1494b24ab676SJeff Bonwick 1495b24ab676SJeff Bonwick dmu_tx_commit(tx); 1496b24ab676SJeff Bonwick 1497b24ab676SJeff Bonwick ztest_range_unlock(rl); 1498b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1499b24ab676SJeff Bonwick 1500b24ab676SJeff Bonwick return (0); 1501b24ab676SJeff Bonwick } 1502b24ab676SJeff Bonwick 1503b24ab676SJeff Bonwick static int 1504b24ab676SJeff Bonwick ztest_replay_setattr(ztest_ds_t *zd, lr_setattr_t *lr, boolean_t byteswap) 1505b24ab676SJeff Bonwick { 1506b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1507b24ab676SJeff Bonwick dmu_tx_t *tx; 1508b24ab676SJeff Bonwick dmu_buf_t *db; 1509b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1510b24ab676SJeff Bonwick uint64_t txg, lrtxg, crtxg; 1511b24ab676SJeff Bonwick 1512b24ab676SJeff Bonwick if (byteswap) 1513b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1514b24ab676SJeff Bonwick 1515b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_WRITER); 1516b24ab676SJeff Bonwick 1517b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1518b24ab676SJeff Bonwick 1519b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1520b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, lr->lr_foid); 1521b24ab676SJeff Bonwick 1522b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1523b24ab676SJeff Bonwick if (txg == 0) { 1524b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1525b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1526b24ab676SJeff Bonwick return (ENOSPC); 1527b24ab676SJeff Bonwick } 1528b24ab676SJeff Bonwick 1529b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1530b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1531b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1532b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1533b24ab676SJeff Bonwick 1534b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1535b24ab676SJeff Bonwick ASSERT(lr->lr_size != 0); 1536b24ab676SJeff Bonwick ASSERT(lr->lr_mode != 0); 1537b24ab676SJeff Bonwick ASSERT(lrtxg != 0); 1538b24ab676SJeff Bonwick } else { 1539b24ab676SJeff Bonwick /* 1540b24ab676SJeff Bonwick * Randomly change the size and increment the generation. 1541b24ab676SJeff Bonwick */ 1542b24ab676SJeff Bonwick lr->lr_size = (ztest_random(db->db_size / sizeof (*bbt)) + 1) * 1543b24ab676SJeff Bonwick sizeof (*bbt); 1544b24ab676SJeff Bonwick lr->lr_mode = bbt->bt_gen + 1; 1545b24ab676SJeff Bonwick ASSERT(lrtxg == 0); 1546b24ab676SJeff Bonwick } 1547b24ab676SJeff Bonwick 1548b24ab676SJeff Bonwick /* 1549b24ab676SJeff Bonwick * Verify that the current bonus buffer is not newer than our txg. 1550b24ab676SJeff Bonwick */ 1551b24ab676SJeff Bonwick ztest_bt_verify(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, 1552b24ab676SJeff Bonwick MAX(txg, lrtxg), crtxg); 1553b24ab676SJeff Bonwick 1554b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1555b24ab676SJeff Bonwick 1556b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, >=, sizeof (*bbt)); 1557b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, <=, db->db_size); 1558b24ab676SJeff Bonwick VERIFY3U(dmu_set_bonus(db, lr->lr_size, tx), ==, 0); 1559b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1560b24ab676SJeff Bonwick 1561b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, txg, crtxg); 1562b24ab676SJeff Bonwick 1563b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1564b24ab676SJeff Bonwick 1565b24ab676SJeff Bonwick (void) ztest_log_setattr(zd, tx, lr); 1566b24ab676SJeff Bonwick 1567b24ab676SJeff Bonwick dmu_tx_commit(tx); 1568b24ab676SJeff Bonwick 1569b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1570b24ab676SJeff Bonwick 1571b24ab676SJeff Bonwick return (0); 1572b24ab676SJeff Bonwick } 1573b24ab676SJeff Bonwick 1574b24ab676SJeff Bonwick zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 1575b24ab676SJeff Bonwick NULL, /* 0 no such transaction type */ 1576b24ab676SJeff Bonwick ztest_replay_create, /* TX_CREATE */ 1577b24ab676SJeff Bonwick NULL, /* TX_MKDIR */ 1578b24ab676SJeff Bonwick NULL, /* TX_MKXATTR */ 1579b24ab676SJeff Bonwick NULL, /* TX_SYMLINK */ 1580b24ab676SJeff Bonwick ztest_replay_remove, /* TX_REMOVE */ 1581b24ab676SJeff Bonwick NULL, /* TX_RMDIR */ 1582b24ab676SJeff Bonwick NULL, /* TX_LINK */ 1583b24ab676SJeff Bonwick NULL, /* TX_RENAME */ 1584b24ab676SJeff Bonwick ztest_replay_write, /* TX_WRITE */ 1585b24ab676SJeff Bonwick ztest_replay_truncate, /* TX_TRUNCATE */ 1586b24ab676SJeff Bonwick ztest_replay_setattr, /* TX_SETATTR */ 1587b24ab676SJeff Bonwick NULL, /* TX_ACL */ 1588b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL */ 1589b24ab676SJeff Bonwick NULL, /* TX_CREATE_ATTR */ 1590b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL_ATTR */ 1591b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL */ 1592b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ATTR */ 1593b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL_ATTR */ 1594b24ab676SJeff Bonwick NULL, /* TX_WRITE2 */ 1595b24ab676SJeff Bonwick }; 1596b24ab676SJeff Bonwick 1597b24ab676SJeff Bonwick /* 1598b24ab676SJeff Bonwick * ZIL get_data callbacks 1599b24ab676SJeff Bonwick */ 1600b24ab676SJeff Bonwick 1601b24ab676SJeff Bonwick static void 1602b24ab676SJeff Bonwick ztest_get_done(zgd_t *zgd, int error) 1603b24ab676SJeff Bonwick { 1604b24ab676SJeff Bonwick ztest_ds_t *zd = zgd->zgd_private; 1605b24ab676SJeff Bonwick uint64_t object = zgd->zgd_rl->rl_object; 1606b24ab676SJeff Bonwick 1607b24ab676SJeff Bonwick if (zgd->zgd_db) 1608b24ab676SJeff Bonwick dmu_buf_rele(zgd->zgd_db, zgd); 1609b24ab676SJeff Bonwick 1610b24ab676SJeff Bonwick ztest_range_unlock(zgd->zgd_rl); 1611b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1612b24ab676SJeff Bonwick 1613b24ab676SJeff Bonwick if (error == 0 && zgd->zgd_bp) 1614b24ab676SJeff Bonwick zil_add_block(zgd->zgd_zilog, zgd->zgd_bp); 1615b24ab676SJeff Bonwick 1616b24ab676SJeff Bonwick umem_free(zgd, sizeof (*zgd)); 1617b24ab676SJeff Bonwick } 1618b24ab676SJeff Bonwick 1619b24ab676SJeff Bonwick static int 1620b24ab676SJeff Bonwick ztest_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio) 1621b24ab676SJeff Bonwick { 1622b24ab676SJeff Bonwick ztest_ds_t *zd = arg; 1623b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1624b24ab676SJeff Bonwick uint64_t object = lr->lr_foid; 1625b24ab676SJeff Bonwick uint64_t offset = lr->lr_offset; 1626b24ab676SJeff Bonwick uint64_t size = lr->lr_length; 1627b24ab676SJeff Bonwick blkptr_t *bp = &lr->lr_blkptr; 1628b24ab676SJeff Bonwick uint64_t txg = lr->lr_common.lrc_txg; 1629b24ab676SJeff Bonwick uint64_t crtxg; 1630b24ab676SJeff Bonwick dmu_object_info_t doi; 1631b24ab676SJeff Bonwick dmu_buf_t *db; 1632b24ab676SJeff Bonwick zgd_t *zgd; 1633b24ab676SJeff Bonwick int error; 1634b24ab676SJeff Bonwick 1635b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 1636b24ab676SJeff Bonwick error = dmu_bonus_hold(os, object, FTAG, &db); 1637b24ab676SJeff Bonwick if (error) { 1638b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1639b24ab676SJeff Bonwick return (error); 1640b24ab676SJeff Bonwick } 1641b24ab676SJeff Bonwick 1642b24ab676SJeff Bonwick crtxg = ztest_bt_bonus(db)->bt_crtxg; 1643b24ab676SJeff Bonwick 1644b24ab676SJeff Bonwick if (crtxg == 0 || crtxg > txg) { 1645b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1646b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1647b24ab676SJeff Bonwick return (ENOENT); 1648b24ab676SJeff Bonwick } 1649b24ab676SJeff Bonwick 1650b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1651b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1652b24ab676SJeff Bonwick db = NULL; 1653b24ab676SJeff Bonwick 1654b24ab676SJeff Bonwick zgd = umem_zalloc(sizeof (*zgd), UMEM_NOFAIL); 1655b24ab676SJeff Bonwick zgd->zgd_zilog = zd->zd_zilog; 1656b24ab676SJeff Bonwick zgd->zgd_private = zd; 1657b24ab676SJeff Bonwick 1658b24ab676SJeff Bonwick if (buf != NULL) { /* immediate write */ 1659b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1660b24ab676SJeff Bonwick RL_READER); 1661b24ab676SJeff Bonwick 1662b24ab676SJeff Bonwick error = dmu_read(os, object, offset, size, buf, 1663b24ab676SJeff Bonwick DMU_READ_NO_PREFETCH); 1664b24ab676SJeff Bonwick ASSERT(error == 0); 1665b24ab676SJeff Bonwick } else { 1666b24ab676SJeff Bonwick size = doi.doi_data_block_size; 1667dfe73b3dSJeff Bonwick if (ISP2(size)) { 1668b24ab676SJeff Bonwick offset = P2ALIGN(offset, size); 1669dfe73b3dSJeff Bonwick } else { 1670dfe73b3dSJeff Bonwick ASSERT(offset < size); 1671dfe73b3dSJeff Bonwick offset = 0; 1672dfe73b3dSJeff Bonwick } 1673b24ab676SJeff Bonwick 1674b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1675b24ab676SJeff Bonwick RL_READER); 1676b24ab676SJeff Bonwick 167747cb52daSJeff Bonwick error = dmu_buf_hold(os, object, offset, zgd, &db, 167847cb52daSJeff Bonwick DMU_READ_NO_PREFETCH); 1679b24ab676SJeff Bonwick 1680b24ab676SJeff Bonwick if (error == 0) { 1681b24ab676SJeff Bonwick zgd->zgd_db = db; 1682b24ab676SJeff Bonwick zgd->zgd_bp = bp; 1683b24ab676SJeff Bonwick 1684b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 1685b24ab676SJeff Bonwick ASSERT(db->db_size == size); 1686b24ab676SJeff Bonwick 1687b24ab676SJeff Bonwick error = dmu_sync(zio, lr->lr_common.lrc_txg, 1688b24ab676SJeff Bonwick ztest_get_done, zgd); 1689b24ab676SJeff Bonwick 1690b24ab676SJeff Bonwick if (error == 0) 1691b24ab676SJeff Bonwick return (0); 1692b24ab676SJeff Bonwick } 1693b24ab676SJeff Bonwick } 1694b24ab676SJeff Bonwick 1695b24ab676SJeff Bonwick ztest_get_done(zgd, error); 1696b24ab676SJeff Bonwick 1697b24ab676SJeff Bonwick return (error); 1698b24ab676SJeff Bonwick } 1699b24ab676SJeff Bonwick 1700b24ab676SJeff Bonwick static void * 1701b24ab676SJeff Bonwick ztest_lr_alloc(size_t lrsize, char *name) 1702b24ab676SJeff Bonwick { 1703b24ab676SJeff Bonwick char *lr; 1704b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1705b24ab676SJeff Bonwick 1706b24ab676SJeff Bonwick lr = umem_zalloc(lrsize + namesize, UMEM_NOFAIL); 1707b24ab676SJeff Bonwick 1708b24ab676SJeff Bonwick if (name) 1709b24ab676SJeff Bonwick bcopy(name, lr + lrsize, namesize); 1710b24ab676SJeff Bonwick 1711b24ab676SJeff Bonwick return (lr); 1712b24ab676SJeff Bonwick } 1713b24ab676SJeff Bonwick 1714b24ab676SJeff Bonwick void 1715b24ab676SJeff Bonwick ztest_lr_free(void *lr, size_t lrsize, char *name) 1716b24ab676SJeff Bonwick { 1717b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1718b24ab676SJeff Bonwick 1719b24ab676SJeff Bonwick umem_free(lr, lrsize + namesize); 1720b24ab676SJeff Bonwick } 1721b24ab676SJeff Bonwick 1722b24ab676SJeff Bonwick /* 1723b24ab676SJeff Bonwick * Lookup a bunch of objects. Returns the number of objects not found. 1724b24ab676SJeff Bonwick */ 1725b24ab676SJeff Bonwick static int 1726b24ab676SJeff Bonwick ztest_lookup(ztest_ds_t *zd, ztest_od_t *od, int count) 1727b24ab676SJeff Bonwick { 1728b24ab676SJeff Bonwick int missing = 0; 1729b24ab676SJeff Bonwick int error; 1730b24ab676SJeff Bonwick 1731b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1732b24ab676SJeff Bonwick 1733b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1734b24ab676SJeff Bonwick od->od_object = 0; 1735b24ab676SJeff Bonwick error = zap_lookup(zd->zd_os, od->od_dir, od->od_name, 1736b24ab676SJeff Bonwick sizeof (uint64_t), 1, &od->od_object); 1737b24ab676SJeff Bonwick if (error) { 1738b24ab676SJeff Bonwick ASSERT(error == ENOENT); 1739b24ab676SJeff Bonwick ASSERT(od->od_object == 0); 1740b24ab676SJeff Bonwick missing++; 1741b24ab676SJeff Bonwick } else { 1742b24ab676SJeff Bonwick dmu_buf_t *db; 1743b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1744b24ab676SJeff Bonwick dmu_object_info_t doi; 1745b24ab676SJeff Bonwick 1746b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1747b24ab676SJeff Bonwick ASSERT(missing == 0); /* there should be no gaps */ 1748b24ab676SJeff Bonwick 1749b24ab676SJeff Bonwick ztest_object_lock(zd, od->od_object, RL_READER); 1750b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(zd->zd_os, 1751b24ab676SJeff Bonwick od->od_object, FTAG, &db)); 1752b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1753b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1754b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1755b24ab676SJeff Bonwick od->od_type = doi.doi_type; 1756b24ab676SJeff Bonwick od->od_blocksize = doi.doi_data_block_size; 1757b24ab676SJeff Bonwick od->od_gen = bbt->bt_gen; 1758b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1759b24ab676SJeff Bonwick ztest_object_unlock(zd, od->od_object); 1760b24ab676SJeff Bonwick } 1761b24ab676SJeff Bonwick } 1762b24ab676SJeff Bonwick 1763b24ab676SJeff Bonwick return (missing); 1764b24ab676SJeff Bonwick } 1765b24ab676SJeff Bonwick 1766b24ab676SJeff Bonwick static int 1767b24ab676SJeff Bonwick ztest_create(ztest_ds_t *zd, ztest_od_t *od, int count) 1768b24ab676SJeff Bonwick { 1769b24ab676SJeff Bonwick int missing = 0; 1770b24ab676SJeff Bonwick 1771b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1772b24ab676SJeff Bonwick 1773b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1774b24ab676SJeff Bonwick if (missing) { 1775b24ab676SJeff Bonwick od->od_object = 0; 1776b24ab676SJeff Bonwick missing++; 1777b24ab676SJeff Bonwick continue; 1778b24ab676SJeff Bonwick } 1779b24ab676SJeff Bonwick 1780b24ab676SJeff Bonwick lr_create_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1781b24ab676SJeff Bonwick 1782b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1783b24ab676SJeff Bonwick lr->lr_foid = 0; /* 0 to allocate, > 0 to claim */ 1784b24ab676SJeff Bonwick lr->lrz_type = od->od_crtype; 1785b24ab676SJeff Bonwick lr->lrz_blocksize = od->od_crblocksize; 1786b24ab676SJeff Bonwick lr->lrz_ibshift = ztest_random_ibshift(); 1787b24ab676SJeff Bonwick lr->lrz_bonustype = DMU_OT_UINT64_OTHER; 1788b24ab676SJeff Bonwick lr->lrz_bonuslen = dmu_bonus_max(); 1789b24ab676SJeff Bonwick lr->lr_gen = od->od_crgen; 1790b24ab676SJeff Bonwick lr->lr_crtime[0] = time(NULL); 1791b24ab676SJeff Bonwick 1792b24ab676SJeff Bonwick if (ztest_replay_create(zd, lr, B_FALSE) != 0) { 1793b24ab676SJeff Bonwick ASSERT(missing == 0); 1794b24ab676SJeff Bonwick od->od_object = 0; 1795b24ab676SJeff Bonwick missing++; 1796b24ab676SJeff Bonwick } else { 1797b24ab676SJeff Bonwick od->od_object = lr->lr_foid; 1798b24ab676SJeff Bonwick od->od_type = od->od_crtype; 1799b24ab676SJeff Bonwick od->od_blocksize = od->od_crblocksize; 1800b24ab676SJeff Bonwick od->od_gen = od->od_crgen; 1801b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1802b24ab676SJeff Bonwick } 1803b24ab676SJeff Bonwick 1804b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1805b24ab676SJeff Bonwick } 1806b24ab676SJeff Bonwick 1807b24ab676SJeff Bonwick return (missing); 1808b24ab676SJeff Bonwick } 1809b24ab676SJeff Bonwick 1810b24ab676SJeff Bonwick static int 1811b24ab676SJeff Bonwick ztest_remove(ztest_ds_t *zd, ztest_od_t *od, int count) 1812b24ab676SJeff Bonwick { 1813b24ab676SJeff Bonwick int missing = 0; 1814b24ab676SJeff Bonwick int error; 1815b24ab676SJeff Bonwick 1816b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1817b24ab676SJeff Bonwick 1818b24ab676SJeff Bonwick od += count - 1; 1819b24ab676SJeff Bonwick 1820b24ab676SJeff Bonwick for (int i = count - 1; i >= 0; i--, od--) { 1821b24ab676SJeff Bonwick if (missing) { 1822b24ab676SJeff Bonwick missing++; 1823b24ab676SJeff Bonwick continue; 1824b24ab676SJeff Bonwick } 1825b24ab676SJeff Bonwick 1826b24ab676SJeff Bonwick if (od->od_object == 0) 1827b24ab676SJeff Bonwick continue; 1828b24ab676SJeff Bonwick 1829b24ab676SJeff Bonwick lr_remove_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1830b24ab676SJeff Bonwick 1831b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1832b24ab676SJeff Bonwick 1833b24ab676SJeff Bonwick if ((error = ztest_replay_remove(zd, lr, B_FALSE)) != 0) { 1834b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1835b24ab676SJeff Bonwick missing++; 1836b24ab676SJeff Bonwick } else { 1837b24ab676SJeff Bonwick od->od_object = 0; 1838b24ab676SJeff Bonwick } 1839b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1840b24ab676SJeff Bonwick } 1841b24ab676SJeff Bonwick 1842b24ab676SJeff Bonwick return (missing); 1843b24ab676SJeff Bonwick } 1844b24ab676SJeff Bonwick 1845b24ab676SJeff Bonwick static int 1846b24ab676SJeff Bonwick ztest_write(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size, 1847b24ab676SJeff Bonwick void *data) 1848b24ab676SJeff Bonwick { 1849b24ab676SJeff Bonwick lr_write_t *lr; 1850b24ab676SJeff Bonwick int error; 1851b24ab676SJeff Bonwick 1852b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr) + size, NULL); 1853b24ab676SJeff Bonwick 1854b24ab676SJeff Bonwick lr->lr_foid = object; 1855b24ab676SJeff Bonwick lr->lr_offset = offset; 1856b24ab676SJeff Bonwick lr->lr_length = size; 1857b24ab676SJeff Bonwick lr->lr_blkoff = 0; 1858b24ab676SJeff Bonwick BP_ZERO(&lr->lr_blkptr); 1859b24ab676SJeff Bonwick 1860b24ab676SJeff Bonwick bcopy(data, lr + 1, size); 1861b24ab676SJeff Bonwick 1862b24ab676SJeff Bonwick error = ztest_replay_write(zd, lr, B_FALSE); 1863b24ab676SJeff Bonwick 1864b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr) + size, NULL); 1865b24ab676SJeff Bonwick 1866b24ab676SJeff Bonwick return (error); 1867b24ab676SJeff Bonwick } 1868b24ab676SJeff Bonwick 1869b24ab676SJeff Bonwick static int 1870b24ab676SJeff Bonwick ztest_truncate(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 1871b24ab676SJeff Bonwick { 1872b24ab676SJeff Bonwick lr_truncate_t *lr; 1873b24ab676SJeff Bonwick int error; 1874b24ab676SJeff Bonwick 1875b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 1876b24ab676SJeff Bonwick 1877b24ab676SJeff Bonwick lr->lr_foid = object; 1878b24ab676SJeff Bonwick lr->lr_offset = offset; 1879b24ab676SJeff Bonwick lr->lr_length = size; 1880b24ab676SJeff Bonwick 1881b24ab676SJeff Bonwick error = ztest_replay_truncate(zd, lr, B_FALSE); 1882b24ab676SJeff Bonwick 1883b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 1884b24ab676SJeff Bonwick 1885b24ab676SJeff Bonwick return (error); 1886b24ab676SJeff Bonwick } 1887b24ab676SJeff Bonwick 1888b24ab676SJeff Bonwick static int 1889b24ab676SJeff Bonwick ztest_setattr(ztest_ds_t *zd, uint64_t object) 1890b24ab676SJeff Bonwick { 1891b24ab676SJeff Bonwick lr_setattr_t *lr; 1892b24ab676SJeff Bonwick int error; 1893b24ab676SJeff Bonwick 1894b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 1895b24ab676SJeff Bonwick 1896b24ab676SJeff Bonwick lr->lr_foid = object; 1897b24ab676SJeff Bonwick lr->lr_size = 0; 1898b24ab676SJeff Bonwick lr->lr_mode = 0; 1899b24ab676SJeff Bonwick 1900b24ab676SJeff Bonwick error = ztest_replay_setattr(zd, lr, B_FALSE); 1901b24ab676SJeff Bonwick 1902b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 1903b24ab676SJeff Bonwick 1904b24ab676SJeff Bonwick return (error); 1905b24ab676SJeff Bonwick } 1906b24ab676SJeff Bonwick 1907b24ab676SJeff Bonwick static void 1908b24ab676SJeff Bonwick ztest_prealloc(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 1909b24ab676SJeff Bonwick { 1910b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1911b24ab676SJeff Bonwick dmu_tx_t *tx; 1912b24ab676SJeff Bonwick uint64_t txg; 1913b24ab676SJeff Bonwick rl_t *rl; 1914b24ab676SJeff Bonwick 1915b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 1916b24ab676SJeff Bonwick 1917b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 1918b24ab676SJeff Bonwick rl = ztest_range_lock(zd, object, offset, size, RL_WRITER); 1919b24ab676SJeff Bonwick 1920b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1921b24ab676SJeff Bonwick 1922b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, offset, size); 1923b24ab676SJeff Bonwick 1924b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1925b24ab676SJeff Bonwick 1926b24ab676SJeff Bonwick if (txg != 0) { 1927b24ab676SJeff Bonwick dmu_prealloc(os, object, offset, size, tx); 1928b24ab676SJeff Bonwick dmu_tx_commit(tx); 1929b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 1930b24ab676SJeff Bonwick } else { 1931b24ab676SJeff Bonwick (void) dmu_free_long_range(os, object, offset, size); 1932b24ab676SJeff Bonwick } 1933b24ab676SJeff Bonwick 1934b24ab676SJeff Bonwick ztest_range_unlock(rl); 1935b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1936b24ab676SJeff Bonwick } 1937b24ab676SJeff Bonwick 1938b24ab676SJeff Bonwick static void 1939b24ab676SJeff Bonwick ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t offset) 1940b24ab676SJeff Bonwick { 1941b24ab676SJeff Bonwick ztest_block_tag_t wbt; 1942b24ab676SJeff Bonwick dmu_object_info_t doi; 1943b24ab676SJeff Bonwick enum ztest_io_type io_type; 1944b24ab676SJeff Bonwick uint64_t blocksize; 1945b24ab676SJeff Bonwick void *data; 1946b24ab676SJeff Bonwick 1947b24ab676SJeff Bonwick VERIFY(dmu_object_info(zd->zd_os, object, &doi) == 0); 1948b24ab676SJeff Bonwick blocksize = doi.doi_data_block_size; 1949b24ab676SJeff Bonwick data = umem_alloc(blocksize, UMEM_NOFAIL); 1950b24ab676SJeff Bonwick 1951b24ab676SJeff Bonwick /* 1952b24ab676SJeff Bonwick * Pick an i/o type at random, biased toward writing block tags. 1953b24ab676SJeff Bonwick */ 1954b24ab676SJeff Bonwick io_type = ztest_random(ZTEST_IO_TYPES); 1955b24ab676SJeff Bonwick if (ztest_random(2) == 0) 1956b24ab676SJeff Bonwick io_type = ZTEST_IO_WRITE_TAG; 1957b24ab676SJeff Bonwick 1958b24ab676SJeff Bonwick switch (io_type) { 1959b24ab676SJeff Bonwick 1960b24ab676SJeff Bonwick case ZTEST_IO_WRITE_TAG: 1961b24ab676SJeff Bonwick ztest_bt_generate(&wbt, zd->zd_os, object, offset, 0, 0, 0); 1962b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, sizeof (wbt), &wbt); 1963b24ab676SJeff Bonwick break; 1964b24ab676SJeff Bonwick 1965b24ab676SJeff Bonwick case ZTEST_IO_WRITE_PATTERN: 1966b24ab676SJeff Bonwick (void) memset(data, 'a' + (object + offset) % 5, blocksize); 1967b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 1968b24ab676SJeff Bonwick /* 1969b24ab676SJeff Bonwick * Induce fletcher2 collisions to ensure that 1970b24ab676SJeff Bonwick * zio_ddt_collision() detects and resolves them 1971b24ab676SJeff Bonwick * when using fletcher2-verify for deduplication. 1972b24ab676SJeff Bonwick */ 1973b24ab676SJeff Bonwick ((uint64_t *)data)[0] ^= 1ULL << 63; 1974b24ab676SJeff Bonwick ((uint64_t *)data)[4] ^= 1ULL << 63; 1975b24ab676SJeff Bonwick } 1976b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 1977b24ab676SJeff Bonwick break; 1978b24ab676SJeff Bonwick 1979b24ab676SJeff Bonwick case ZTEST_IO_WRITE_ZEROES: 1980b24ab676SJeff Bonwick bzero(data, blocksize); 1981b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 1982b24ab676SJeff Bonwick break; 1983b24ab676SJeff Bonwick 1984b24ab676SJeff Bonwick case ZTEST_IO_TRUNCATE: 1985b24ab676SJeff Bonwick (void) ztest_truncate(zd, object, offset, blocksize); 1986b24ab676SJeff Bonwick break; 1987b24ab676SJeff Bonwick 1988b24ab676SJeff Bonwick case ZTEST_IO_SETATTR: 1989b24ab676SJeff Bonwick (void) ztest_setattr(zd, object); 1990b24ab676SJeff Bonwick break; 1991b24ab676SJeff Bonwick } 1992b24ab676SJeff Bonwick 1993b24ab676SJeff Bonwick umem_free(data, blocksize); 1994b24ab676SJeff Bonwick } 1995b24ab676SJeff Bonwick 1996b24ab676SJeff Bonwick /* 1997b24ab676SJeff Bonwick * Initialize an object description template. 1998b24ab676SJeff Bonwick */ 1999b24ab676SJeff Bonwick static void 2000b24ab676SJeff Bonwick ztest_od_init(ztest_od_t *od, uint64_t id, char *tag, uint64_t index, 2001b24ab676SJeff Bonwick dmu_object_type_t type, uint64_t blocksize, uint64_t gen) 2002b24ab676SJeff Bonwick { 2003b24ab676SJeff Bonwick od->od_dir = ZTEST_DIROBJ; 2004b24ab676SJeff Bonwick od->od_object = 0; 2005b24ab676SJeff Bonwick 2006b24ab676SJeff Bonwick od->od_crtype = type; 2007b24ab676SJeff Bonwick od->od_crblocksize = blocksize ? blocksize : ztest_random_blocksize(); 2008b24ab676SJeff Bonwick od->od_crgen = gen; 2009b24ab676SJeff Bonwick 2010b24ab676SJeff Bonwick od->od_type = DMU_OT_NONE; 2011b24ab676SJeff Bonwick od->od_blocksize = 0; 2012b24ab676SJeff Bonwick od->od_gen = 0; 2013b24ab676SJeff Bonwick 2014b24ab676SJeff Bonwick (void) snprintf(od->od_name, sizeof (od->od_name), "%s(%lld)[%llu]", 2015b24ab676SJeff Bonwick tag, (int64_t)id, index); 2016b24ab676SJeff Bonwick } 2017b24ab676SJeff Bonwick 2018b24ab676SJeff Bonwick /* 2019b24ab676SJeff Bonwick * Lookup or create the objects for a test using the od template. 2020b24ab676SJeff Bonwick * If the objects do not all exist, or if 'remove' is specified, 2021b24ab676SJeff Bonwick * remove any existing objects and create new ones. Otherwise, 2022b24ab676SJeff Bonwick * use the existing objects. 2023b24ab676SJeff Bonwick */ 2024b24ab676SJeff Bonwick static int 2025b24ab676SJeff Bonwick ztest_object_init(ztest_ds_t *zd, ztest_od_t *od, size_t size, boolean_t remove) 2026b24ab676SJeff Bonwick { 2027b24ab676SJeff Bonwick int count = size / sizeof (*od); 2028b24ab676SJeff Bonwick int rv = 0; 2029b24ab676SJeff Bonwick 2030b24ab676SJeff Bonwick VERIFY(mutex_lock(&zd->zd_dirobj_lock) == 0); 2031b24ab676SJeff Bonwick if ((ztest_lookup(zd, od, count) != 0 || remove) && 2032b24ab676SJeff Bonwick (ztest_remove(zd, od, count) != 0 || 2033b24ab676SJeff Bonwick ztest_create(zd, od, count) != 0)) 2034b24ab676SJeff Bonwick rv = -1; 2035b24ab676SJeff Bonwick zd->zd_od = od; 2036b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2037b24ab676SJeff Bonwick 2038b24ab676SJeff Bonwick return (rv); 2039b24ab676SJeff Bonwick } 2040b24ab676SJeff Bonwick 2041b24ab676SJeff Bonwick /* ARGSUSED */ 2042b24ab676SJeff Bonwick void 2043b24ab676SJeff Bonwick ztest_zil_commit(ztest_ds_t *zd, uint64_t id) 2044b24ab676SJeff Bonwick { 2045b24ab676SJeff Bonwick zilog_t *zilog = zd->zd_zilog; 2046b24ab676SJeff Bonwick 2047b24ab676SJeff Bonwick zil_commit(zilog, UINT64_MAX, ztest_random(ZTEST_OBJECTS)); 2048b24ab676SJeff Bonwick 2049b24ab676SJeff Bonwick /* 2050b24ab676SJeff Bonwick * Remember the committed values in zd, which is in parent/child 2051b24ab676SJeff Bonwick * shared memory. If we die, the next iteration of ztest_run() 2052b24ab676SJeff Bonwick * will verify that the log really does contain this record. 2053b24ab676SJeff Bonwick */ 2054b24ab676SJeff Bonwick mutex_enter(&zilog->zl_lock); 2055b24ab676SJeff Bonwick ASSERT(zd->zd_seq <= zilog->zl_commit_lr_seq); 2056b24ab676SJeff Bonwick zd->zd_seq = zilog->zl_commit_lr_seq; 2057b24ab676SJeff Bonwick mutex_exit(&zilog->zl_lock); 2058b24ab676SJeff Bonwick } 2059b24ab676SJeff Bonwick 2060b24ab676SJeff Bonwick /* 2061b24ab676SJeff Bonwick * Verify that we can't destroy an active pool, create an existing pool, 2062b24ab676SJeff Bonwick * or create a pool with a bad vdev spec. 2063b24ab676SJeff Bonwick */ 2064b24ab676SJeff Bonwick /* ARGSUSED */ 2065b24ab676SJeff Bonwick void 2066b24ab676SJeff Bonwick ztest_spa_create_destroy(ztest_ds_t *zd, uint64_t id) 2067b24ab676SJeff Bonwick { 2068b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2069b24ab676SJeff Bonwick spa_t *spa; 2070b24ab676SJeff Bonwick nvlist_t *nvroot; 2071b24ab676SJeff Bonwick 2072b24ab676SJeff Bonwick /* 2073b24ab676SJeff Bonwick * Attempt to create using a bad file. 2074b24ab676SJeff Bonwick */ 2075b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 2076b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 2077b24ab676SJeff Bonwick spa_create("ztest_bad_file", nvroot, NULL, NULL, NULL)); 2078b24ab676SJeff Bonwick nvlist_free(nvroot); 2079b24ab676SJeff Bonwick 2080b24ab676SJeff Bonwick /* 2081b24ab676SJeff Bonwick * Attempt to create using a bad mirror. 2082b24ab676SJeff Bonwick */ 2083b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 2, 1); 2084b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 2085b24ab676SJeff Bonwick spa_create("ztest_bad_mirror", nvroot, NULL, NULL, NULL)); 2086b24ab676SJeff Bonwick nvlist_free(nvroot); 2087b24ab676SJeff Bonwick 2088b24ab676SJeff Bonwick /* 2089b24ab676SJeff Bonwick * Attempt to create an existing pool. It shouldn't matter 2090b24ab676SJeff Bonwick * what's in the nvroot; we should fail with EEXIST. 2091b24ab676SJeff Bonwick */ 2092b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 2093b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 2094b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, spa_create(zs->zs_pool, nvroot, NULL, NULL, NULL)); 2095b24ab676SJeff Bonwick nvlist_free(nvroot); 2096b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(zs->zs_pool, &spa, FTAG)); 2097b24ab676SJeff Bonwick VERIFY3U(EBUSY, ==, spa_destroy(zs->zs_pool)); 2098b24ab676SJeff Bonwick spa_close(spa, FTAG); 2099b24ab676SJeff Bonwick 2100b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 2101b24ab676SJeff Bonwick } 2102b24ab676SJeff Bonwick 2103b24ab676SJeff Bonwick static vdev_t * 2104b24ab676SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 2105b24ab676SJeff Bonwick { 2106b24ab676SJeff Bonwick vdev_t *mvd; 2107b24ab676SJeff Bonwick 2108b24ab676SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 2109b24ab676SJeff Bonwick return (vd); 2110b24ab676SJeff Bonwick 2111b24ab676SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 2112b24ab676SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 2113b24ab676SJeff Bonwick NULL) 2114b24ab676SJeff Bonwick return (mvd); 2115b24ab676SJeff Bonwick 2116b24ab676SJeff Bonwick return (NULL); 2117b24ab676SJeff Bonwick } 2118b24ab676SJeff Bonwick 2119b24ab676SJeff Bonwick /* 2120b24ab676SJeff Bonwick * Find the first available hole which can be used as a top-level. 2121b24ab676SJeff Bonwick */ 2122b24ab676SJeff Bonwick int 2123b24ab676SJeff Bonwick find_vdev_hole(spa_t *spa) 2124b24ab676SJeff Bonwick { 2125b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2126b24ab676SJeff Bonwick int c; 2127b24ab676SJeff Bonwick 2128b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_VDEV, RW_READER) == SCL_VDEV); 2129b24ab676SJeff Bonwick 2130b24ab676SJeff Bonwick for (c = 0; c < rvd->vdev_children; c++) { 2131b24ab676SJeff Bonwick vdev_t *cvd = rvd->vdev_child[c]; 2132b24ab676SJeff Bonwick 2133b24ab676SJeff Bonwick if (cvd->vdev_ishole) 2134b24ab676SJeff Bonwick break; 2135b24ab676SJeff Bonwick } 2136b24ab676SJeff Bonwick return (c); 2137b24ab676SJeff Bonwick } 2138b24ab676SJeff Bonwick 2139b24ab676SJeff Bonwick /* 2140b24ab676SJeff Bonwick * Verify that vdev_add() works as expected. 2141b24ab676SJeff Bonwick */ 2142b24ab676SJeff Bonwick /* ARGSUSED */ 2143b24ab676SJeff Bonwick void 2144b24ab676SJeff Bonwick ztest_vdev_add_remove(ztest_ds_t *zd, uint64_t id) 2145b24ab676SJeff Bonwick { 2146b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2147b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 21481195e687SMark J Musante uint64_t leaves; 2149b24ab676SJeff Bonwick uint64_t guid; 2150b24ab676SJeff Bonwick nvlist_t *nvroot; 2151b24ab676SJeff Bonwick int error; 2152b24ab676SJeff Bonwick 2153b24ab676SJeff Bonwick VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 21541195e687SMark J Musante leaves = MAX(zs->zs_mirrors + zs->zs_splits, 1) * zopt_raidz; 2155b24ab676SJeff Bonwick 2156b24ab676SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2157b24ab676SJeff Bonwick 2158b24ab676SJeff Bonwick ztest_shared->zs_vdev_next_leaf = find_vdev_hole(spa) * leaves; 2159b24ab676SJeff Bonwick 2160b24ab676SJeff Bonwick /* 2161b24ab676SJeff Bonwick * If we have slogs then remove them 1/4 of the time. 2162b24ab676SJeff Bonwick */ 216388ecc943SGeorge Wilson if (spa_has_slogs(spa) && ztest_random(4) == 0) { 216488ecc943SGeorge Wilson /* 216588ecc943SGeorge Wilson * Grab the guid from the head of the log class rotor. 216688ecc943SGeorge Wilson */ 2167b24ab676SJeff Bonwick guid = spa_log_class(spa)->mc_rotor->mg_vd->vdev_guid; 21688654d025Sperrin 216988ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 2170fa9e4066Sahrens 217188ecc943SGeorge Wilson /* 217288ecc943SGeorge Wilson * We have to grab the zs_name_lock as writer to 217388ecc943SGeorge Wilson * prevent a race between removing a slog (dmu_objset_find) 217488ecc943SGeorge Wilson * and destroying a dataset. Removing the slog will 217588ecc943SGeorge Wilson * grab a reference on the dataset which may cause 217688ecc943SGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 217788ecc943SGeorge Wilson * leaving the dataset in an inconsistent state. 217888ecc943SGeorge Wilson */ 2179b24ab676SJeff Bonwick VERIFY(rw_wrlock(&ztest_shared->zs_name_lock) == 0); 218088ecc943SGeorge Wilson error = spa_vdev_remove(spa, guid, B_FALSE); 2181b24ab676SJeff Bonwick VERIFY(rw_unlock(&ztest_shared->zs_name_lock) == 0); 2182fa9e4066Sahrens 218388ecc943SGeorge Wilson if (error && error != EEXIST) 218488ecc943SGeorge Wilson fatal(0, "spa_vdev_remove() = %d", error); 218588ecc943SGeorge Wilson } else { 218688ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 218788ecc943SGeorge Wilson 218888ecc943SGeorge Wilson /* 218988ecc943SGeorge Wilson * Make 1/4 of the devices be log devices. 219088ecc943SGeorge Wilson */ 219188ecc943SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 21921195e687SMark J Musante ztest_random(4) == 0, zopt_raidz, zs->zs_mirrors, 1); 219388ecc943SGeorge Wilson 219488ecc943SGeorge Wilson error = spa_vdev_add(spa, nvroot); 219588ecc943SGeorge Wilson nvlist_free(nvroot); 219688ecc943SGeorge Wilson 219788ecc943SGeorge Wilson if (error == ENOSPC) 219888ecc943SGeorge Wilson ztest_record_enospc("spa_vdev_add"); 219988ecc943SGeorge Wilson else if (error != 0) 220088ecc943SGeorge Wilson fatal(0, "spa_vdev_add() = %d", error); 220188ecc943SGeorge Wilson } 220288ecc943SGeorge Wilson 2203b24ab676SJeff Bonwick VERIFY(mutex_unlock(&ztest_shared->zs_vdev_lock) == 0); 2204e14bb325SJeff Bonwick } 2205fa9e4066Sahrens 2206e14bb325SJeff Bonwick /* 2207e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 2208e14bb325SJeff Bonwick */ 2209b24ab676SJeff Bonwick /* ARGSUSED */ 2210e14bb325SJeff Bonwick void 2211b24ab676SJeff Bonwick ztest_vdev_aux_add_remove(ztest_ds_t *zd, uint64_t id) 2212e14bb325SJeff Bonwick { 2213b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2214b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 221531157203SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2216e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 2217e14bb325SJeff Bonwick char *aux; 2218e14bb325SJeff Bonwick uint64_t guid = 0; 2219e14bb325SJeff Bonwick int error; 2220e14bb325SJeff Bonwick 222131157203SJeff Bonwick if (ztest_random(2) == 0) { 2222e14bb325SJeff Bonwick sav = &spa->spa_spares; 2223e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 2224e14bb325SJeff Bonwick } else { 2225e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 2226e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 2227e14bb325SJeff Bonwick } 2228e14bb325SJeff Bonwick 2229b24ab676SJeff Bonwick VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 2230e14bb325SJeff Bonwick 2231e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2232e14bb325SJeff Bonwick 2233e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 2234e14bb325SJeff Bonwick /* 2235e14bb325SJeff Bonwick * Pick a random device to remove. 2236e14bb325SJeff Bonwick */ 2237e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 2238e14bb325SJeff Bonwick } else { 2239e14bb325SJeff Bonwick /* 2240e14bb325SJeff Bonwick * Find an unused device we can add. 2241e14bb325SJeff Bonwick */ 2242b24ab676SJeff Bonwick zs->zs_vdev_aux = 0; 2243e14bb325SJeff Bonwick for (;;) { 2244e14bb325SJeff Bonwick char path[MAXPATHLEN]; 2245e14bb325SJeff Bonwick int c; 2246e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, zopt_dir, 2247b24ab676SJeff Bonwick zopt_pool, aux, zs->zs_vdev_aux); 2248e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 2249e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 2250e14bb325SJeff Bonwick path) == 0) 2251e14bb325SJeff Bonwick break; 225231157203SJeff Bonwick if (c == sav->sav_count && 225331157203SJeff Bonwick vdev_lookup_by_path(rvd, path) == NULL) 2254e14bb325SJeff Bonwick break; 2255b24ab676SJeff Bonwick zs->zs_vdev_aux++; 2256e14bb325SJeff Bonwick } 2257e14bb325SJeff Bonwick } 2258e14bb325SJeff Bonwick 2259e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2260e14bb325SJeff Bonwick 2261e14bb325SJeff Bonwick if (guid == 0) { 2262e14bb325SJeff Bonwick /* 2263e14bb325SJeff Bonwick * Add a new device. 2264e14bb325SJeff Bonwick */ 226531157203SJeff Bonwick nvlist_t *nvroot = make_vdev_root(NULL, aux, 226631157203SJeff Bonwick (zopt_vdev_size * 5) / 4, 0, 0, 0, 0, 1); 2267e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 2268e14bb325SJeff Bonwick if (error != 0) 2269e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 2270e14bb325SJeff Bonwick nvlist_free(nvroot); 2271e14bb325SJeff Bonwick } else { 2272e14bb325SJeff Bonwick /* 2273e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 2274e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 2275e14bb325SJeff Bonwick * of devices that have pending state changes. 2276e14bb325SJeff Bonwick */ 2277e14bb325SJeff Bonwick if (ztest_random(2) == 0) 2278573ca77eSGeorge Wilson (void) vdev_online(spa, guid, 0, NULL); 2279e14bb325SJeff Bonwick 2280e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 2281e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 2282e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 2283e14bb325SJeff Bonwick } 2284e14bb325SJeff Bonwick 2285b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2286fa9e4066Sahrens } 2287fa9e4066Sahrens 22881195e687SMark J Musante /* 22891195e687SMark J Musante * split a pool if it has mirror tlvdevs 22901195e687SMark J Musante */ 22911195e687SMark J Musante /* ARGSUSED */ 22921195e687SMark J Musante void 22931195e687SMark J Musante ztest_split_pool(ztest_ds_t *zd, uint64_t id) 22941195e687SMark J Musante { 22951195e687SMark J Musante ztest_shared_t *zs = ztest_shared; 22961195e687SMark J Musante spa_t *spa = zs->zs_spa; 22971195e687SMark J Musante vdev_t *rvd = spa->spa_root_vdev; 22981195e687SMark J Musante nvlist_t *tree, **child, *config, *split, **schild; 22991195e687SMark J Musante uint_t c, children, schildren = 0, lastlogid = 0; 23001195e687SMark J Musante int error = 0; 23011195e687SMark J Musante 23021195e687SMark J Musante VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 23031195e687SMark J Musante 23041195e687SMark J Musante /* ensure we have a useable config; mirrors of raidz aren't supported */ 23051195e687SMark J Musante if (zs->zs_mirrors < 3 || zopt_raidz > 1) { 23061195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 23071195e687SMark J Musante return; 23081195e687SMark J Musante } 23091195e687SMark J Musante 23101195e687SMark J Musante /* clean up the old pool, if any */ 23111195e687SMark J Musante (void) spa_destroy("splitp"); 23121195e687SMark J Musante 23131195e687SMark J Musante spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 23141195e687SMark J Musante 23151195e687SMark J Musante /* generate a config from the existing config */ 231698295d61SMark J Musante mutex_enter(&spa->spa_props_lock); 23171195e687SMark J Musante VERIFY(nvlist_lookup_nvlist(spa->spa_config, ZPOOL_CONFIG_VDEV_TREE, 23181195e687SMark J Musante &tree) == 0); 231998295d61SMark J Musante mutex_exit(&spa->spa_props_lock); 232098295d61SMark J Musante 23211195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, 23221195e687SMark J Musante &children) == 0); 23231195e687SMark J Musante 23241195e687SMark J Musante schild = malloc(rvd->vdev_children * sizeof (nvlist_t *)); 23251195e687SMark J Musante for (c = 0; c < children; c++) { 23261195e687SMark J Musante vdev_t *tvd = rvd->vdev_child[c]; 23271195e687SMark J Musante nvlist_t **mchild; 23281195e687SMark J Musante uint_t mchildren; 23291195e687SMark J Musante 23301195e687SMark J Musante if (tvd->vdev_islog || tvd->vdev_ops == &vdev_hole_ops) { 23311195e687SMark J Musante VERIFY(nvlist_alloc(&schild[schildren], NV_UNIQUE_NAME, 23321195e687SMark J Musante 0) == 0); 23331195e687SMark J Musante VERIFY(nvlist_add_string(schild[schildren], 23341195e687SMark J Musante ZPOOL_CONFIG_TYPE, VDEV_TYPE_HOLE) == 0); 23351195e687SMark J Musante VERIFY(nvlist_add_uint64(schild[schildren], 23361195e687SMark J Musante ZPOOL_CONFIG_IS_HOLE, 1) == 0); 23371195e687SMark J Musante if (lastlogid == 0) 23381195e687SMark J Musante lastlogid = schildren; 23391195e687SMark J Musante ++schildren; 23401195e687SMark J Musante continue; 23411195e687SMark J Musante } 23421195e687SMark J Musante lastlogid = 0; 23431195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(child[c], 23441195e687SMark J Musante ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); 23451195e687SMark J Musante VERIFY(nvlist_dup(mchild[0], &schild[schildren++], 0) == 0); 23461195e687SMark J Musante } 23471195e687SMark J Musante 23481195e687SMark J Musante /* OK, create a config that can be used to split */ 23491195e687SMark J Musante VERIFY(nvlist_alloc(&split, NV_UNIQUE_NAME, 0) == 0); 23501195e687SMark J Musante VERIFY(nvlist_add_string(split, ZPOOL_CONFIG_TYPE, 23511195e687SMark J Musante VDEV_TYPE_ROOT) == 0); 23521195e687SMark J Musante VERIFY(nvlist_add_nvlist_array(split, ZPOOL_CONFIG_CHILDREN, schild, 23531195e687SMark J Musante lastlogid != 0 ? lastlogid : schildren) == 0); 23541195e687SMark J Musante 23551195e687SMark J Musante VERIFY(nvlist_alloc(&config, NV_UNIQUE_NAME, 0) == 0); 23561195e687SMark J Musante VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, split) == 0); 23571195e687SMark J Musante 23581195e687SMark J Musante for (c = 0; c < schildren; c++) 23591195e687SMark J Musante nvlist_free(schild[c]); 23601195e687SMark J Musante free(schild); 23611195e687SMark J Musante nvlist_free(split); 23621195e687SMark J Musante 23631195e687SMark J Musante spa_config_exit(spa, SCL_VDEV, FTAG); 23641195e687SMark J Musante 23651195e687SMark J Musante (void) rw_wrlock(&zs->zs_name_lock); 23661195e687SMark J Musante error = spa_vdev_split_mirror(spa, "splitp", config, NULL, B_FALSE); 23671195e687SMark J Musante (void) rw_unlock(&zs->zs_name_lock); 23681195e687SMark J Musante 23691195e687SMark J Musante nvlist_free(config); 23701195e687SMark J Musante 23711195e687SMark J Musante if (error == 0) { 23721195e687SMark J Musante (void) printf("successful split - results:\n"); 23731195e687SMark J Musante mutex_enter(&spa_namespace_lock); 23741195e687SMark J Musante show_pool_stats(spa); 23751195e687SMark J Musante show_pool_stats(spa_lookup("splitp")); 23761195e687SMark J Musante mutex_exit(&spa_namespace_lock); 23771195e687SMark J Musante ++zs->zs_splits; 23781195e687SMark J Musante --zs->zs_mirrors; 23791195e687SMark J Musante } 23801195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 23811195e687SMark J Musante 23821195e687SMark J Musante } 23831195e687SMark J Musante 2384fa9e4066Sahrens /* 2385fa9e4066Sahrens * Verify that we can attach and detach devices. 2386fa9e4066Sahrens */ 2387b24ab676SJeff Bonwick /* ARGSUSED */ 2388fa9e4066Sahrens void 2389b24ab676SJeff Bonwick ztest_vdev_attach_detach(ztest_ds_t *zd, uint64_t id) 2390fa9e4066Sahrens { 2391b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2392b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 239331157203SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_spares; 2394fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 2395ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 2396e14bb325SJeff Bonwick nvlist_t *root; 23971195e687SMark J Musante uint64_t leaves; 2398fa9e4066Sahrens uint64_t leaf, top; 2399ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 24008ad4d6ddSJeff Bonwick uint64_t oldguid, pguid; 2401ea8dc4b6Seschrock size_t oldsize, newsize; 2402ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 2403fa9e4066Sahrens int replacing; 24049af0a4dfSJeff Bonwick int oldvd_has_siblings = B_FALSE; 240531157203SJeff Bonwick int newvd_is_spare = B_FALSE; 240631157203SJeff Bonwick int oldvd_is_log; 2407fa9e4066Sahrens int error, expected_error; 2408fa9e4066Sahrens 2409b24ab676SJeff Bonwick VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 24101195e687SMark J Musante leaves = MAX(zs->zs_mirrors, 1) * zopt_raidz; 2411fa9e4066Sahrens 2412e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2413fa9e4066Sahrens 2414fa9e4066Sahrens /* 2415fa9e4066Sahrens * Decide whether to do an attach or a replace. 2416fa9e4066Sahrens */ 2417fa9e4066Sahrens replacing = ztest_random(2); 2418fa9e4066Sahrens 2419fa9e4066Sahrens /* 2420fa9e4066Sahrens * Pick a random top-level vdev. 2421fa9e4066Sahrens */ 2422b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2423fa9e4066Sahrens 2424fa9e4066Sahrens /* 2425fa9e4066Sahrens * Pick a random leaf within it. 2426fa9e4066Sahrens */ 2427d41c4376SMark J Musante leaf = ztest_random(leaves); 2428fa9e4066Sahrens 2429fa9e4066Sahrens /* 243031157203SJeff Bonwick * Locate this vdev. 2431fa9e4066Sahrens */ 243231157203SJeff Bonwick oldvd = rvd->vdev_child[top]; 24331195e687SMark J Musante if (zs->zs_mirrors >= 1) { 24348ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_mirror_ops); 24351195e687SMark J Musante ASSERT(oldvd->vdev_children >= zs->zs_mirrors); 243631157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf / zopt_raidz]; 24378ad4d6ddSJeff Bonwick } 24388ad4d6ddSJeff Bonwick if (zopt_raidz > 1) { 24398ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_raidz_ops); 24408ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children == zopt_raidz); 244131157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf % zopt_raidz]; 24428ad4d6ddSJeff Bonwick } 2443fa9e4066Sahrens 2444fa9e4066Sahrens /* 244531157203SJeff Bonwick * If we're already doing an attach or replace, oldvd may be a 244631157203SJeff Bonwick * mirror vdev -- in which case, pick a random child. 2447fa9e4066Sahrens */ 244831157203SJeff Bonwick while (oldvd->vdev_children != 0) { 24499af0a4dfSJeff Bonwick oldvd_has_siblings = B_TRUE; 24508ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= 2); 24518ad4d6ddSJeff Bonwick oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)]; 245231157203SJeff Bonwick } 2453fa9e4066Sahrens 245431157203SJeff Bonwick oldguid = oldvd->vdev_guid; 2455573ca77eSGeorge Wilson oldsize = vdev_get_min_asize(oldvd); 245631157203SJeff Bonwick oldvd_is_log = oldvd->vdev_top->vdev_islog; 245731157203SJeff Bonwick (void) strcpy(oldpath, oldvd->vdev_path); 2458ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 24598ad4d6ddSJeff Bonwick pguid = pvd->vdev_guid; 2460fa9e4066Sahrens 24619af0a4dfSJeff Bonwick /* 24629af0a4dfSJeff Bonwick * If oldvd has siblings, then half of the time, detach it. 24639af0a4dfSJeff Bonwick */ 24649af0a4dfSJeff Bonwick if (oldvd_has_siblings && ztest_random(2) == 0) { 24659af0a4dfSJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 24668ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, oldguid, pguid, B_FALSE); 24678ad4d6ddSJeff Bonwick if (error != 0 && error != ENODEV && error != EBUSY && 24688ad4d6ddSJeff Bonwick error != ENOTSUP) 24698ad4d6ddSJeff Bonwick fatal(0, "detach (%s) returned %d", oldpath, error); 2470b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 24719af0a4dfSJeff Bonwick return; 24729af0a4dfSJeff Bonwick } 24739af0a4dfSJeff Bonwick 2474fa9e4066Sahrens /* 247531157203SJeff Bonwick * For the new vdev, choose with equal probability between the two 247631157203SJeff Bonwick * standard paths (ending in either 'a' or 'b') or a random hot spare. 2477fa9e4066Sahrens */ 247831157203SJeff Bonwick if (sav->sav_count != 0 && ztest_random(3) == 0) { 247931157203SJeff Bonwick newvd = sav->sav_vdevs[ztest_random(sav->sav_count)]; 248031157203SJeff Bonwick newvd_is_spare = B_TRUE; 248131157203SJeff Bonwick (void) strcpy(newpath, newvd->vdev_path); 248231157203SJeff Bonwick } else { 248331157203SJeff Bonwick (void) snprintf(newpath, sizeof (newpath), ztest_dev_template, 248431157203SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 248531157203SJeff Bonwick if (ztest_random(2) == 0) 248631157203SJeff Bonwick newpath[strlen(newpath) - 1] = 'b'; 248731157203SJeff Bonwick newvd = vdev_lookup_by_path(rvd, newpath); 248831157203SJeff Bonwick } 248931157203SJeff Bonwick 249031157203SJeff Bonwick if (newvd) { 2491573ca77eSGeorge Wilson newsize = vdev_get_min_asize(newvd); 249231157203SJeff Bonwick } else { 249331157203SJeff Bonwick /* 249431157203SJeff Bonwick * Make newsize a little bigger or smaller than oldsize. 249531157203SJeff Bonwick * If it's smaller, the attach should fail. 249631157203SJeff Bonwick * If it's larger, and we're doing a replace, 249731157203SJeff Bonwick * we should get dynamic LUN growth when we're done. 249831157203SJeff Bonwick */ 249931157203SJeff Bonwick newsize = 10 * oldsize / (9 + ztest_random(3)); 250031157203SJeff Bonwick } 2501fa9e4066Sahrens 2502fa9e4066Sahrens /* 2503fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 2504fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 2505fa9e4066Sahrens * 2506ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 2507fa9e4066Sahrens * 2508ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 2509fa9e4066Sahrens */ 251031157203SJeff Bonwick if (pvd->vdev_ops != &vdev_mirror_ops && 251131157203SJeff Bonwick pvd->vdev_ops != &vdev_root_ops && (!replacing || 251231157203SJeff Bonwick pvd->vdev_ops == &vdev_replacing_ops || 251331157203SJeff Bonwick pvd->vdev_ops == &vdev_spare_ops)) 251431157203SJeff Bonwick expected_error = ENOTSUP; 251531157203SJeff Bonwick else if (newvd_is_spare && (!replacing || oldvd_is_log)) 2516fa9e4066Sahrens expected_error = ENOTSUP; 251731157203SJeff Bonwick else if (newvd == oldvd) 251831157203SJeff Bonwick expected_error = replacing ? 0 : EBUSY; 251931157203SJeff Bonwick else if (vdev_lookup_by_path(rvd, newpath) != NULL) 252031157203SJeff Bonwick expected_error = EBUSY; 2521ea8dc4b6Seschrock else if (newsize < oldsize) 2522fa9e4066Sahrens expected_error = EOVERFLOW; 2523ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 2524ecc2d604Sbonwick expected_error = EDOM; 2525fa9e4066Sahrens else 2526fa9e4066Sahrens expected_error = 0; 2527fa9e4066Sahrens 2528e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2529fa9e4066Sahrens 2530fa9e4066Sahrens /* 2531ea8dc4b6Seschrock * Build the nvlist describing newpath. 2532fa9e4066Sahrens */ 2533e14bb325SJeff Bonwick root = make_vdev_root(newpath, NULL, newvd == NULL ? newsize : 0, 2534e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 2535fa9e4066Sahrens 253631157203SJeff Bonwick error = spa_vdev_attach(spa, oldguid, root, replacing); 2537fa9e4066Sahrens 2538fa9e4066Sahrens nvlist_free(root); 2539fa9e4066Sahrens 2540fa9e4066Sahrens /* 2541fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 2542fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 2543fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 2544fa9e4066Sahrens */ 2545fa9e4066Sahrens if (expected_error == ENOTSUP && 2546fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 2547fa9e4066Sahrens expected_error = error; 2548fa9e4066Sahrens 2549f0aa80d4Sbonwick /* 2550f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 2551f0aa80d4Sbonwick */ 2552088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 2553f0aa80d4Sbonwick expected_error = error; 2554f0aa80d4Sbonwick 2555088f3894Sahrens /* XXX workaround 6690467 */ 2556088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 2557088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 2558088f3894Sahrens "returned %d, expected %d", 2559088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 2560088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 2561fa9e4066Sahrens } 2562fa9e4066Sahrens 2563b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2564fa9e4066Sahrens } 2565fa9e4066Sahrens 2566573ca77eSGeorge Wilson /* 2567573ca77eSGeorge Wilson * Callback function which expands the physical size of the vdev. 2568573ca77eSGeorge Wilson */ 2569573ca77eSGeorge Wilson vdev_t * 2570573ca77eSGeorge Wilson grow_vdev(vdev_t *vd, void *arg) 2571573ca77eSGeorge Wilson { 2572573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2573573ca77eSGeorge Wilson size_t *newsize = arg; 2574573ca77eSGeorge Wilson size_t fsize; 2575573ca77eSGeorge Wilson int fd; 2576573ca77eSGeorge Wilson 2577573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2578573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2579573ca77eSGeorge Wilson 2580573ca77eSGeorge Wilson if ((fd = open(vd->vdev_path, O_RDWR)) == -1) 2581573ca77eSGeorge Wilson return (vd); 2582573ca77eSGeorge Wilson 2583573ca77eSGeorge Wilson fsize = lseek(fd, 0, SEEK_END); 2584573ca77eSGeorge Wilson (void) ftruncate(fd, *newsize); 2585573ca77eSGeorge Wilson 2586573ca77eSGeorge Wilson if (zopt_verbose >= 6) { 2587573ca77eSGeorge Wilson (void) printf("%s grew from %lu to %lu bytes\n", 2588573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)fsize, (ulong_t)*newsize); 2589573ca77eSGeorge Wilson } 2590573ca77eSGeorge Wilson (void) close(fd); 2591573ca77eSGeorge Wilson return (NULL); 2592573ca77eSGeorge Wilson } 2593573ca77eSGeorge Wilson 2594573ca77eSGeorge Wilson /* 2595573ca77eSGeorge Wilson * Callback function which expands a given vdev by calling vdev_online(). 2596573ca77eSGeorge Wilson */ 2597573ca77eSGeorge Wilson /* ARGSUSED */ 2598573ca77eSGeorge Wilson vdev_t * 2599573ca77eSGeorge Wilson online_vdev(vdev_t *vd, void *arg) 2600573ca77eSGeorge Wilson { 2601573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2602573ca77eSGeorge Wilson vdev_t *tvd = vd->vdev_top; 2603573ca77eSGeorge Wilson uint64_t guid = vd->vdev_guid; 26048f18d1faSGeorge Wilson uint64_t generation = spa->spa_config_generation + 1; 2605095bcd66SGeorge Wilson vdev_state_t newstate = VDEV_STATE_UNKNOWN; 2606095bcd66SGeorge Wilson int error; 2607573ca77eSGeorge Wilson 2608573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2609573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2610573ca77eSGeorge Wilson 2611573ca77eSGeorge Wilson /* Calling vdev_online will initialize the new metaslabs */ 2612573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2613095bcd66SGeorge Wilson error = vdev_online(spa, guid, ZFS_ONLINE_EXPAND, &newstate); 2614573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2615573ca77eSGeorge Wilson 2616095bcd66SGeorge Wilson /* 2617095bcd66SGeorge Wilson * If vdev_online returned an error or the underlying vdev_open 2618095bcd66SGeorge Wilson * failed then we abort the expand. The only way to know that 2619095bcd66SGeorge Wilson * vdev_open fails is by checking the returned newstate. 2620095bcd66SGeorge Wilson */ 2621095bcd66SGeorge Wilson if (error || newstate != VDEV_STATE_HEALTHY) { 2622095bcd66SGeorge Wilson if (zopt_verbose >= 5) { 2623095bcd66SGeorge Wilson (void) printf("Unable to expand vdev, state %llu, " 2624095bcd66SGeorge Wilson "error %d\n", (u_longlong_t)newstate, error); 2625095bcd66SGeorge Wilson } 2626095bcd66SGeorge Wilson return (vd); 2627095bcd66SGeorge Wilson } 2628095bcd66SGeorge Wilson ASSERT3U(newstate, ==, VDEV_STATE_HEALTHY); 2629095bcd66SGeorge Wilson 2630573ca77eSGeorge Wilson /* 2631573ca77eSGeorge Wilson * Since we dropped the lock we need to ensure that we're 2632573ca77eSGeorge Wilson * still talking to the original vdev. It's possible this 2633573ca77eSGeorge Wilson * vdev may have been detached/replaced while we were 2634573ca77eSGeorge Wilson * trying to online it. 2635573ca77eSGeorge Wilson */ 26368f18d1faSGeorge Wilson if (generation != spa->spa_config_generation) { 26378f18d1faSGeorge Wilson if (zopt_verbose >= 5) { 26388f18d1faSGeorge Wilson (void) printf("vdev configuration has changed, " 26398f18d1faSGeorge Wilson "guid %llu, state %llu, expected gen %llu, " 2640b24ab676SJeff Bonwick "got gen %llu\n", 2641b24ab676SJeff Bonwick (u_longlong_t)guid, 26428f18d1faSGeorge Wilson (u_longlong_t)tvd->vdev_state, 26438f18d1faSGeorge Wilson (u_longlong_t)generation, 26448f18d1faSGeorge Wilson (u_longlong_t)spa->spa_config_generation); 2645573ca77eSGeorge Wilson } 2646573ca77eSGeorge Wilson return (vd); 2647573ca77eSGeorge Wilson } 2648573ca77eSGeorge Wilson return (NULL); 2649573ca77eSGeorge Wilson } 2650573ca77eSGeorge Wilson 2651573ca77eSGeorge Wilson /* 2652573ca77eSGeorge Wilson * Traverse the vdev tree calling the supplied function. 2653573ca77eSGeorge Wilson * We continue to walk the tree until we either have walked all 2654573ca77eSGeorge Wilson * children or we receive a non-NULL return from the callback. 2655573ca77eSGeorge Wilson * If a NULL callback is passed, then we just return back the first 2656573ca77eSGeorge Wilson * leaf vdev we encounter. 2657573ca77eSGeorge Wilson */ 2658573ca77eSGeorge Wilson vdev_t * 2659573ca77eSGeorge Wilson vdev_walk_tree(vdev_t *vd, vdev_t *(*func)(vdev_t *, void *), void *arg) 2660573ca77eSGeorge Wilson { 2661573ca77eSGeorge Wilson if (vd->vdev_ops->vdev_op_leaf) { 2662573ca77eSGeorge Wilson if (func == NULL) 2663573ca77eSGeorge Wilson return (vd); 2664573ca77eSGeorge Wilson else 2665573ca77eSGeorge Wilson return (func(vd, arg)); 2666573ca77eSGeorge Wilson } 2667573ca77eSGeorge Wilson 2668573ca77eSGeorge Wilson for (uint_t c = 0; c < vd->vdev_children; c++) { 2669573ca77eSGeorge Wilson vdev_t *cvd = vd->vdev_child[c]; 2670573ca77eSGeorge Wilson if ((cvd = vdev_walk_tree(cvd, func, arg)) != NULL) 2671573ca77eSGeorge Wilson return (cvd); 2672573ca77eSGeorge Wilson } 2673573ca77eSGeorge Wilson return (NULL); 2674573ca77eSGeorge Wilson } 2675573ca77eSGeorge Wilson 2676fa9e4066Sahrens /* 2677fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 2678fa9e4066Sahrens */ 2679b24ab676SJeff Bonwick /* ARGSUSED */ 2680fa9e4066Sahrens void 2681b24ab676SJeff Bonwick ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id) 2682fa9e4066Sahrens { 2683b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2684b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 2685b24ab676SJeff Bonwick vdev_t *vd, *tvd; 2686b24ab676SJeff Bonwick metaslab_class_t *mc; 2687b24ab676SJeff Bonwick metaslab_group_t *mg; 2688573ca77eSGeorge Wilson size_t psize, newsize; 2689b24ab676SJeff Bonwick uint64_t top; 2690b24ab676SJeff Bonwick uint64_t old_class_space, new_class_space, old_ms_count, new_ms_count; 2691fa9e4066Sahrens 2692b24ab676SJeff Bonwick VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 2693573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2694573ca77eSGeorge Wilson 2695b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2696573ca77eSGeorge Wilson 2697b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 2698b24ab676SJeff Bonwick mg = tvd->vdev_mg; 2699b24ab676SJeff Bonwick mc = mg->mg_class; 2700b24ab676SJeff Bonwick old_ms_count = tvd->vdev_ms_count; 2701b24ab676SJeff Bonwick old_class_space = metaslab_class_get_space(mc); 2702fa9e4066Sahrens 2703fa9e4066Sahrens /* 2704573ca77eSGeorge Wilson * Determine the size of the first leaf vdev associated with 2705573ca77eSGeorge Wilson * our top-level device. 2706fa9e4066Sahrens */ 2707573ca77eSGeorge Wilson vd = vdev_walk_tree(tvd, NULL, NULL); 2708573ca77eSGeorge Wilson ASSERT3P(vd, !=, NULL); 2709573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2710fa9e4066Sahrens 2711573ca77eSGeorge Wilson psize = vd->vdev_psize; 2712fa9e4066Sahrens 2713573ca77eSGeorge Wilson /* 27148f18d1faSGeorge Wilson * We only try to expand the vdev if it's healthy, less than 4x its 27158f18d1faSGeorge Wilson * original size, and it has a valid psize. 2716573ca77eSGeorge Wilson */ 27178f18d1faSGeorge Wilson if (tvd->vdev_state != VDEV_STATE_HEALTHY || 27188f18d1faSGeorge Wilson psize == 0 || psize >= 4 * zopt_vdev_size) { 2719573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2720b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2721573ca77eSGeorge Wilson return; 2722573ca77eSGeorge Wilson } 2723573ca77eSGeorge Wilson ASSERT(psize > 0); 2724573ca77eSGeorge Wilson newsize = psize + psize / 8; 2725573ca77eSGeorge Wilson ASSERT3U(newsize, >, psize); 2726fa9e4066Sahrens 2727b24ab676SJeff Bonwick if (zopt_verbose >= 6) { 2728b24ab676SJeff Bonwick (void) printf("Expanding LUN %s from %lu to %lu\n", 2729573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)psize, (ulong_t)newsize); 2730573ca77eSGeorge Wilson } 2731573ca77eSGeorge Wilson 2732573ca77eSGeorge Wilson /* 2733573ca77eSGeorge Wilson * Growing the vdev is a two step process: 2734573ca77eSGeorge Wilson * 1). expand the physical size (i.e. relabel) 2735573ca77eSGeorge Wilson * 2). online the vdev to create the new metaslabs 2736573ca77eSGeorge Wilson */ 2737573ca77eSGeorge Wilson if (vdev_walk_tree(tvd, grow_vdev, &newsize) != NULL || 2738573ca77eSGeorge Wilson vdev_walk_tree(tvd, online_vdev, NULL) != NULL || 2739573ca77eSGeorge Wilson tvd->vdev_state != VDEV_STATE_HEALTHY) { 2740573ca77eSGeorge Wilson if (zopt_verbose >= 5) { 2741b24ab676SJeff Bonwick (void) printf("Could not expand LUN because " 2742b24ab676SJeff Bonwick "the vdev configuration changed.\n"); 2743b24ab676SJeff Bonwick } 2744b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2745b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2746b24ab676SJeff Bonwick return; 2747b24ab676SJeff Bonwick } 2748b24ab676SJeff Bonwick 2749b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2750b24ab676SJeff Bonwick 2751b24ab676SJeff Bonwick /* 2752b24ab676SJeff Bonwick * Expanding the LUN will update the config asynchronously, 2753b24ab676SJeff Bonwick * thus we must wait for the async thread to complete any 2754b24ab676SJeff Bonwick * pending tasks before proceeding. 2755b24ab676SJeff Bonwick */ 2756b24ab676SJeff Bonwick for (;;) { 2757b24ab676SJeff Bonwick boolean_t done; 2758b24ab676SJeff Bonwick mutex_enter(&spa->spa_async_lock); 2759b24ab676SJeff Bonwick done = (spa->spa_async_thread == NULL && !spa->spa_async_tasks); 2760b24ab676SJeff Bonwick mutex_exit(&spa->spa_async_lock); 2761b24ab676SJeff Bonwick if (done) 2762b24ab676SJeff Bonwick break; 2763b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 2764b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 2765b24ab676SJeff Bonwick } 2766b24ab676SJeff Bonwick 2767b24ab676SJeff Bonwick spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2768b24ab676SJeff Bonwick 2769b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 2770b24ab676SJeff Bonwick new_ms_count = tvd->vdev_ms_count; 2771b24ab676SJeff Bonwick new_class_space = metaslab_class_get_space(mc); 2772b24ab676SJeff Bonwick 2773b24ab676SJeff Bonwick if (tvd->vdev_mg != mg || mg->mg_class != mc) { 2774b24ab676SJeff Bonwick if (zopt_verbose >= 5) { 2775b24ab676SJeff Bonwick (void) printf("Could not verify LUN expansion due to " 2776b24ab676SJeff Bonwick "intervening vdev offline or remove.\n"); 2777fa9e4066Sahrens } 2778b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2779b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2780573ca77eSGeorge Wilson return; 2781fa9e4066Sahrens } 2782fa9e4066Sahrens 2783573ca77eSGeorge Wilson /* 2784b24ab676SJeff Bonwick * Make sure we were able to grow the vdev. 2785573ca77eSGeorge Wilson */ 2786b24ab676SJeff Bonwick if (new_ms_count <= old_ms_count) 2787b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: ms_count %llu <= %llu\n", 2788b24ab676SJeff Bonwick old_ms_count, new_ms_count); 2789573ca77eSGeorge Wilson 2790573ca77eSGeorge Wilson /* 2791573ca77eSGeorge Wilson * Make sure we were able to grow the pool. 2792573ca77eSGeorge Wilson */ 2793b24ab676SJeff Bonwick if (new_class_space <= old_class_space) 2794b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: class_space %llu <= %llu\n", 2795b24ab676SJeff Bonwick old_class_space, new_class_space); 2796b24ab676SJeff Bonwick 2797b24ab676SJeff Bonwick if (zopt_verbose >= 5) { 2798573ca77eSGeorge Wilson char oldnumbuf[6], newnumbuf[6]; 2799573ca77eSGeorge Wilson 2800b24ab676SJeff Bonwick nicenum(old_class_space, oldnumbuf); 2801b24ab676SJeff Bonwick nicenum(new_class_space, newnumbuf); 2802573ca77eSGeorge Wilson (void) printf("%s grew from %s to %s\n", 2803573ca77eSGeorge Wilson spa->spa_name, oldnumbuf, newnumbuf); 2804573ca77eSGeorge Wilson } 2805b24ab676SJeff Bonwick 2806573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2807b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 2808fa9e4066Sahrens } 2809fa9e4066Sahrens 2810b24ab676SJeff Bonwick /* 2811b24ab676SJeff Bonwick * Verify that dmu_objset_{create,destroy,open,close} work as expected. 2812b24ab676SJeff Bonwick */ 2813fa9e4066Sahrens /* ARGSUSED */ 2814fa9e4066Sahrens static void 2815b24ab676SJeff Bonwick ztest_objset_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 2816fa9e4066Sahrens { 2817fa9e4066Sahrens /* 2818b24ab676SJeff Bonwick * Create the objects common to all ztest datasets. 2819fa9e4066Sahrens */ 2820b24ab676SJeff Bonwick VERIFY(zap_create_claim(os, ZTEST_DIROBJ, 2821fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 2822fa9e4066Sahrens } 2823fa9e4066Sahrens 282455da60b9SMark J Musante static int 282555da60b9SMark J Musante ztest_dataset_create(char *dsname) 282655da60b9SMark J Musante { 282755da60b9SMark J Musante uint64_t zilset = ztest_random(100); 282855da60b9SMark J Musante int err = dmu_objset_create(dsname, DMU_OST_OTHER, 0, 282955da60b9SMark J Musante ztest_objset_create_cb, NULL); 283055da60b9SMark J Musante 283155da60b9SMark J Musante if (err || zilset < 80) 283255da60b9SMark J Musante return (err); 283355da60b9SMark J Musante 283455da60b9SMark J Musante (void) printf("Setting dataset %s to sync always\n", dsname); 283555da60b9SMark J Musante return (ztest_dsl_prop_set_uint64(dsname, ZFS_PROP_SYNC, 283655da60b9SMark J Musante ZFS_SYNC_ALWAYS, B_FALSE)); 283755da60b9SMark J Musante } 283855da60b9SMark J Musante 2839b24ab676SJeff Bonwick /* ARGSUSED */ 28401d452cf5Sahrens static int 2841fd136879SMatthew Ahrens ztest_objset_destroy_cb(const char *name, void *arg) 2842fa9e4066Sahrens { 2843fa9e4066Sahrens objset_t *os; 2844b24ab676SJeff Bonwick dmu_object_info_t doi; 2845fa9e4066Sahrens int error; 2846fa9e4066Sahrens 2847fa9e4066Sahrens /* 2848fa9e4066Sahrens * Verify that the dataset contains a directory object. 2849fa9e4066Sahrens */ 2850b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os)); 2851b24ab676SJeff Bonwick error = dmu_object_info(os, ZTEST_DIROBJ, &doi); 2852e1930233Sbonwick if (error != ENOENT) { 2853e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 2854e1930233Sbonwick ASSERT3U(error, ==, 0); 2855b24ab676SJeff Bonwick ASSERT3U(doi.doi_type, ==, DMU_OT_ZAP_OTHER); 2856b24ab676SJeff Bonwick ASSERT3S(doi.doi_physical_blocks_512, >=, 0); 2857e1930233Sbonwick } 2858503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 2859fa9e4066Sahrens 2860fa9e4066Sahrens /* 2861fa9e4066Sahrens * Destroy the dataset. 2862fa9e4066Sahrens */ 2863b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_objset_destroy(name, B_FALSE)); 28641d452cf5Sahrens return (0); 2865fa9e4066Sahrens } 2866fa9e4066Sahrens 2867b24ab676SJeff Bonwick static boolean_t 2868b24ab676SJeff Bonwick ztest_snapshot_create(char *osname, uint64_t id) 2869fa9e4066Sahrens { 2870b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 2871b24ab676SJeff Bonwick int error; 2872b24ab676SJeff Bonwick 2873b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 2874b24ab676SJeff Bonwick (u_longlong_t)id); 2875b24ab676SJeff Bonwick 2876b24ab676SJeff Bonwick error = dmu_objset_snapshot(osname, strchr(snapname, '@') + 1, 2877b24ab676SJeff Bonwick NULL, B_FALSE); 2878b24ab676SJeff Bonwick if (error == ENOSPC) { 2879b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 2880b24ab676SJeff Bonwick return (B_FALSE); 2881b24ab676SJeff Bonwick } 2882b24ab676SJeff Bonwick if (error != 0 && error != EEXIST) 2883b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_create(%s) = %d", snapname, error); 2884b24ab676SJeff Bonwick return (B_TRUE); 2885b24ab676SJeff Bonwick } 2886b24ab676SJeff Bonwick 2887b24ab676SJeff Bonwick static boolean_t 2888b24ab676SJeff Bonwick ztest_snapshot_destroy(char *osname, uint64_t id) 2889b24ab676SJeff Bonwick { 2890b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 2891b24ab676SJeff Bonwick int error; 2892b24ab676SJeff Bonwick 2893b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 2894b24ab676SJeff Bonwick (u_longlong_t)id); 2895b24ab676SJeff Bonwick 2896b24ab676SJeff Bonwick error = dmu_objset_destroy(snapname, B_FALSE); 2897b24ab676SJeff Bonwick if (error != 0 && error != ENOENT) 2898b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_destroy(%s) = %d", snapname, error); 2899b24ab676SJeff Bonwick return (B_TRUE); 2900fa9e4066Sahrens } 2901fa9e4066Sahrens 2902b24ab676SJeff Bonwick /* ARGSUSED */ 2903fa9e4066Sahrens void 2904b24ab676SJeff Bonwick ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64_t id) 2905fa9e4066Sahrens { 2906b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2907b24ab676SJeff Bonwick ztest_ds_t zdtmp; 2908b24ab676SJeff Bonwick int iters; 2909fa9e4066Sahrens int error; 2910745cd3c5Smaybee objset_t *os, *os2; 2911b24ab676SJeff Bonwick char name[MAXNAMELEN]; 2912fa9e4066Sahrens zilog_t *zilog; 2913fa9e4066Sahrens 2914b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 2915b24ab676SJeff Bonwick 2916b24ab676SJeff Bonwick (void) snprintf(name, MAXNAMELEN, "%s/temp_%llu", 2917b24ab676SJeff Bonwick zs->zs_pool, (u_longlong_t)id); 2918fa9e4066Sahrens 2919fa9e4066Sahrens /* 2920fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 2921fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 2922b24ab676SJeff Bonwick * (invoked from ztest_objset_destroy_cb()) should just throw it away. 2923fa9e4066Sahrens */ 2924fa9e4066Sahrens if (ztest_random(2) == 0 && 2925503ad85cSMatthew Ahrens dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os) == 0) { 2926b24ab676SJeff Bonwick ztest_zd_init(&zdtmp, os); 2927b24ab676SJeff Bonwick zil_replay(os, &zdtmp, ztest_replay_vector); 2928b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 2929503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 2930fa9e4066Sahrens } 2931fa9e4066Sahrens 2932fa9e4066Sahrens /* 2933fa9e4066Sahrens * There may be an old instance of the dataset we're about to 2934fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 2935fa9e4066Sahrens * and all of its snapshots. 2936fa9e4066Sahrens */ 2937b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 29380b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 2939fa9e4066Sahrens 2940fa9e4066Sahrens /* 2941fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 2942fa9e4066Sahrens */ 2943b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, dmu_objset_hold(name, FTAG, &os)); 2944fa9e4066Sahrens 2945fa9e4066Sahrens /* 2946fa9e4066Sahrens * Verify that we can create a new dataset. 2947fa9e4066Sahrens */ 294855da60b9SMark J Musante error = ztest_dataset_create(name); 2949fa9e4066Sahrens if (error) { 2950fa9e4066Sahrens if (error == ENOSPC) { 2951b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 2952b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 2953fa9e4066Sahrens return; 2954fa9e4066Sahrens } 2955fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 2956fa9e4066Sahrens } 2957fa9e4066Sahrens 2958b24ab676SJeff Bonwick VERIFY3U(0, ==, 2959b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os)); 2960b24ab676SJeff Bonwick 2961b24ab676SJeff Bonwick ztest_zd_init(&zdtmp, os); 2962fa9e4066Sahrens 2963fa9e4066Sahrens /* 2964fa9e4066Sahrens * Open the intent log for it. 2965fa9e4066Sahrens */ 2966b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 2967fa9e4066Sahrens 2968fa9e4066Sahrens /* 2969b24ab676SJeff Bonwick * Put some objects in there, do a little I/O to them, 2970b24ab676SJeff Bonwick * and randomly take a couple of snapshots along the way. 2971fa9e4066Sahrens */ 2972b24ab676SJeff Bonwick iters = ztest_random(5); 2973b24ab676SJeff Bonwick for (int i = 0; i < iters; i++) { 2974b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(&zdtmp, id); 2975b24ab676SJeff Bonwick if (ztest_random(iters) == 0) 2976b24ab676SJeff Bonwick (void) ztest_snapshot_create(name, i); 2977fa9e4066Sahrens } 2978fa9e4066Sahrens 2979fa9e4066Sahrens /* 2980fa9e4066Sahrens * Verify that we cannot create an existing dataset. 2981fa9e4066Sahrens */ 2982b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, 2983b24ab676SJeff Bonwick dmu_objset_create(name, DMU_OST_OTHER, 0, NULL, NULL)); 2984fa9e4066Sahrens 2985fa9e4066Sahrens /* 2986503ad85cSMatthew Ahrens * Verify that we can hold an objset that is also owned. 2987745cd3c5Smaybee */ 2988b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os2)); 2989503ad85cSMatthew Ahrens dmu_objset_rele(os2, FTAG); 2990503ad85cSMatthew Ahrens 2991503ad85cSMatthew Ahrens /* 2992b24ab676SJeff Bonwick * Verify that we cannot own an objset that is already owned. 2993503ad85cSMatthew Ahrens */ 2994b24ab676SJeff Bonwick VERIFY3U(EBUSY, ==, 2995b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os2)); 2996fa9e4066Sahrens 2997fa9e4066Sahrens zil_close(zilog); 2998503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 2999b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3000fa9e4066Sahrens 3001b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 3002fa9e4066Sahrens } 3003fa9e4066Sahrens 3004fa9e4066Sahrens /* 3005fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 3006fa9e4066Sahrens */ 3007fa9e4066Sahrens void 3008b24ab676SJeff Bonwick ztest_dmu_snapshot_create_destroy(ztest_ds_t *zd, uint64_t id) 3009fa9e4066Sahrens { 3010b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 3011fa9e4066Sahrens 3012b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 3013b24ab676SJeff Bonwick (void) ztest_snapshot_destroy(zd->zd_name, id); 3014b24ab676SJeff Bonwick (void) ztest_snapshot_create(zd->zd_name, id); 3015b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 30164f5064b7SMark J Musante } 30174f5064b7SMark J Musante 3018718d718aSGeorge Wilson /* 3019718d718aSGeorge Wilson * Cleanup non-standard snapshots and clones. 3020718d718aSGeorge Wilson */ 3021718d718aSGeorge Wilson void 3022b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(char *osname, uint64_t id) 3023718d718aSGeorge Wilson { 3024b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3025b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3026b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3027b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3028b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3029718d718aSGeorge Wilson int error; 3030718d718aSGeorge Wilson 3031b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3032b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3033b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3034b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3035b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 3036718d718aSGeorge Wilson 3037842727c2SChris Kirby error = dmu_objset_destroy(clone2name, B_FALSE); 3038718d718aSGeorge Wilson if (error && error != ENOENT) 3039718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone2name, error); 3040842727c2SChris Kirby error = dmu_objset_destroy(snap3name, B_FALSE); 3041718d718aSGeorge Wilson if (error && error != ENOENT) 3042718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap3name, error); 3043842727c2SChris Kirby error = dmu_objset_destroy(snap2name, B_FALSE); 3044718d718aSGeorge Wilson if (error && error != ENOENT) 3045718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error); 3046842727c2SChris Kirby error = dmu_objset_destroy(clone1name, B_FALSE); 3047718d718aSGeorge Wilson if (error && error != ENOENT) 3048718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone1name, error); 3049842727c2SChris Kirby error = dmu_objset_destroy(snap1name, B_FALSE); 3050718d718aSGeorge Wilson if (error && error != ENOENT) 3051718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap1name, error); 3052718d718aSGeorge Wilson } 3053718d718aSGeorge Wilson 30544f5064b7SMark J Musante /* 30554f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 30564f5064b7SMark J Musante */ 30574f5064b7SMark J Musante void 3058b24ab676SJeff Bonwick ztest_dsl_dataset_promote_busy(ztest_ds_t *zd, uint64_t id) 30594f5064b7SMark J Musante { 3060b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 30614f5064b7SMark J Musante objset_t *clone; 30624f5064b7SMark J Musante dsl_dataset_t *ds; 3063b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3064b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3065b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3066b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3067b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3068b24ab676SJeff Bonwick char *osname = zd->zd_name; 3069b24ab676SJeff Bonwick int error; 30704f5064b7SMark J Musante 3071b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 30724f5064b7SMark J Musante 3073b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 3074718d718aSGeorge Wilson 3075b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3076b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3077b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3078b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3079b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 308005312e2cSMark J Musante 3081ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(osname, strchr(snap1name, '@')+1, 3082b24ab676SJeff Bonwick NULL, B_FALSE); 3083b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3084b2d22b66SGeorge Wilson if (error == ENOSPC) { 3085b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3086b2d22b66SGeorge Wilson goto out; 3087b2d22b66SGeorge Wilson } 3088b2d22b66SGeorge Wilson fatal(0, "dmu_take_snapshot(%s) = %d", snap1name, error); 3089b2d22b66SGeorge Wilson } 30904f5064b7SMark J Musante 3091503ad85cSMatthew Ahrens error = dmu_objset_hold(snap1name, FTAG, &clone); 30924f5064b7SMark J Musante if (error) 30934f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap1name, error); 30944f5064b7SMark J Musante 3095ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone1name, dmu_objset_ds(clone), 0); 3096503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3097b2d22b66SGeorge Wilson if (error) { 3098b2d22b66SGeorge Wilson if (error == ENOSPC) { 3099b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3100b2d22b66SGeorge Wilson goto out; 3101b2d22b66SGeorge Wilson } 3102b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 3103b2d22b66SGeorge Wilson } 31044f5064b7SMark J Musante 31054f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap2name, '@')+1, 3106b24ab676SJeff Bonwick NULL, B_FALSE); 3107b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3108b2d22b66SGeorge Wilson if (error == ENOSPC) { 3109b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3110b2d22b66SGeorge Wilson goto out; 3111b2d22b66SGeorge Wilson } 3112b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap2name, error); 3113b2d22b66SGeorge Wilson } 31144f5064b7SMark J Musante 31154f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap3name, '@')+1, 3116b24ab676SJeff Bonwick NULL, B_FALSE); 3117b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3118b2d22b66SGeorge Wilson if (error == ENOSPC) { 3119b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3120b2d22b66SGeorge Wilson goto out; 3121b2d22b66SGeorge Wilson } 3122b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 3123b2d22b66SGeorge Wilson } 31244f5064b7SMark J Musante 3125503ad85cSMatthew Ahrens error = dmu_objset_hold(snap3name, FTAG, &clone); 31264f5064b7SMark J Musante if (error) 31274f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 31284f5064b7SMark J Musante 3129ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone2name, dmu_objset_ds(clone), 0); 3130503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3131b2d22b66SGeorge Wilson if (error) { 3132b2d22b66SGeorge Wilson if (error == ENOSPC) { 3133b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3134b2d22b66SGeorge Wilson goto out; 3135b2d22b66SGeorge Wilson } 3136b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 3137b2d22b66SGeorge Wilson } 31384f5064b7SMark J Musante 3139503ad85cSMatthew Ahrens error = dsl_dataset_own(snap1name, B_FALSE, FTAG, &ds); 31404f5064b7SMark J Musante if (error) 31414f5064b7SMark J Musante fatal(0, "dsl_dataset_own(%s) = %d", snap1name, error); 3142681d9761SEric Taylor error = dsl_dataset_promote(clone2name, NULL); 31434f5064b7SMark J Musante if (error != EBUSY) 31444f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 31454f5064b7SMark J Musante error); 31464f5064b7SMark J Musante dsl_dataset_disown(ds, FTAG); 31474f5064b7SMark J Musante 3148b2d22b66SGeorge Wilson out: 3149b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 31504f5064b7SMark J Musante 3151b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 3152fa9e4066Sahrens } 3153fa9e4066Sahrens 3154fa9e4066Sahrens /* 3155fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 3156fa9e4066Sahrens */ 3157fa9e4066Sahrens void 3158b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(ztest_ds_t *zd, uint64_t id) 3159fa9e4066Sahrens { 3160b24ab676SJeff Bonwick ztest_od_t od[4]; 3161b24ab676SJeff Bonwick int batchsize = sizeof (od) / sizeof (od[0]); 3162fa9e4066Sahrens 3163b24ab676SJeff Bonwick for (int b = 0; b < batchsize; b++) 3164b24ab676SJeff Bonwick ztest_od_init(&od[b], id, FTAG, b, DMU_OT_UINT64_OTHER, 0, 0); 3165fa9e4066Sahrens 3166fa9e4066Sahrens /* 3167b24ab676SJeff Bonwick * Destroy the previous batch of objects, create a new batch, 3168b24ab676SJeff Bonwick * and do some I/O on the new objects. 3169fa9e4066Sahrens */ 3170b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_TRUE) != 0) 3171b24ab676SJeff Bonwick return; 3172fa9e4066Sahrens 3173b24ab676SJeff Bonwick while (ztest_random(4 * batchsize) != 0) 3174b24ab676SJeff Bonwick ztest_io(zd, od[ztest_random(batchsize)].od_object, 3175b24ab676SJeff Bonwick ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3176fa9e4066Sahrens } 3177fa9e4066Sahrens 3178fa9e4066Sahrens /* 3179fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 3180fa9e4066Sahrens */ 3181fa9e4066Sahrens void 3182b24ab676SJeff Bonwick ztest_dmu_read_write(ztest_ds_t *zd, uint64_t id) 3183fa9e4066Sahrens { 3184b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3185b24ab676SJeff Bonwick ztest_od_t od[2]; 3186fa9e4066Sahrens dmu_tx_t *tx; 3187fa9e4066Sahrens int i, freeit, error; 3188fa9e4066Sahrens uint64_t n, s, txg; 3189fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 3190b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3191b24ab676SJeff Bonwick uint64_t chunksize = (1000 + ztest_random(1000)) * sizeof (uint64_t); 3192fa9e4066Sahrens uint64_t regions = 997; 3193fa9e4066Sahrens uint64_t stride = 123456789ULL; 3194fa9e4066Sahrens uint64_t width = 40; 3195fa9e4066Sahrens int free_percent = 5; 3196fa9e4066Sahrens 3197fa9e4066Sahrens /* 3198fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 3199fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 3200fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 3201fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 3202fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 3203fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 3204fa9e4066Sahrens * 3205fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 3206fa9e4066Sahrens * bigobj, at the head of the nth chunk 3207fa9e4066Sahrens * bigobj, at the tail of the nth chunk 3208fa9e4066Sahrens * 3209fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 3210fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 3211fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 3212fa9e4066Sahrens * 3213fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 3214fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 3215fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 3216fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 3217fa9e4066Sahrens * tracking which parts of an object are allocated and free, 3218fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 3219fa9e4066Sahrens */ 3220fa9e4066Sahrens 3221fa9e4066Sahrens /* 3222fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 3223fa9e4066Sahrens */ 3224b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, chunksize); 3225b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 3226fa9e4066Sahrens 3227b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3228b24ab676SJeff Bonwick return; 3229fa9e4066Sahrens 3230b24ab676SJeff Bonwick bigobj = od[0].od_object; 3231b24ab676SJeff Bonwick packobj = od[1].od_object; 3232b24ab676SJeff Bonwick chunksize = od[0].od_gen; 3233b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 3234fa9e4066Sahrens 3235fa9e4066Sahrens /* 3236fa9e4066Sahrens * Prefetch a random chunk of the big object. 3237fa9e4066Sahrens * Our aim here is to get some async reads in flight 3238fa9e4066Sahrens * for blocks that we may free below; the DMU should 3239fa9e4066Sahrens * handle this race correctly. 3240fa9e4066Sahrens */ 3241fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3242fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 3243b24ab676SJeff Bonwick dmu_prefetch(os, bigobj, n * chunksize, s * chunksize); 3244fa9e4066Sahrens 3245fa9e4066Sahrens /* 3246fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 3247fa9e4066Sahrens */ 3248fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3249fa9e4066Sahrens s = 1 + ztest_random(width - 1); 3250fa9e4066Sahrens 3251fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 3252fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 3253fa9e4066Sahrens 3254b24ab676SJeff Bonwick bigoff = n * chunksize; 3255b24ab676SJeff Bonwick bigsize = s * chunksize; 3256fa9e4066Sahrens 3257fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 3258fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 3259fa9e4066Sahrens 3260fa9e4066Sahrens /* 3261fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 3262fa9e4066Sahrens * overwriting it. 3263fa9e4066Sahrens */ 3264fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 3265fa9e4066Sahrens 3266fa9e4066Sahrens /* 3267fa9e4066Sahrens * Read the current contents of our objects. 3268fa9e4066Sahrens */ 3269b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, packsize, packbuf, 32707bfdf011SNeil Perrin DMU_READ_PREFETCH); 3271ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 3272b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, bigbuf, 32737bfdf011SNeil Perrin DMU_READ_PREFETCH); 3274ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 3275fa9e4066Sahrens 3276fa9e4066Sahrens /* 3277fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 3278fa9e4066Sahrens */ 3279fa9e4066Sahrens tx = dmu_tx_create(os); 3280fa9e4066Sahrens 3281b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3282fa9e4066Sahrens 3283fa9e4066Sahrens if (freeit) 3284b24ab676SJeff Bonwick dmu_tx_hold_free(tx, bigobj, bigoff, bigsize); 3285fa9e4066Sahrens else 3286b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 3287fa9e4066Sahrens 3288b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3289b24ab676SJeff Bonwick if (txg == 0) { 3290fa9e4066Sahrens umem_free(packbuf, packsize); 3291fa9e4066Sahrens umem_free(bigbuf, bigsize); 3292fa9e4066Sahrens return; 3293fa9e4066Sahrens } 3294fa9e4066Sahrens 3295b24ab676SJeff Bonwick dmu_object_set_checksum(os, bigobj, 3296b24ab676SJeff Bonwick (enum zio_checksum)ztest_random_dsl_prop(ZFS_PROP_CHECKSUM), tx); 3297b24ab676SJeff Bonwick 3298b24ab676SJeff Bonwick dmu_object_set_compress(os, bigobj, 3299b24ab676SJeff Bonwick (enum zio_compress)ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), tx); 3300fa9e4066Sahrens 3301fa9e4066Sahrens /* 3302fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 3303fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 3304fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 3305fa9e4066Sahrens * with the new values we want to write out. 3306fa9e4066Sahrens */ 3307fa9e4066Sahrens for (i = 0; i < s; i++) { 3308fa9e4066Sahrens /* LINTED */ 3309fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 3310fa9e4066Sahrens /* LINTED */ 3311b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 3312fa9e4066Sahrens /* LINTED */ 3313b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 3314fa9e4066Sahrens 3315fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 3316fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 3317fa9e4066Sahrens 3318fa9e4066Sahrens if (pack->bw_txg > txg) 3319fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 3320fa9e4066Sahrens pack->bw_txg, txg); 3321fa9e4066Sahrens 3322fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 3323fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 3324fa9e4066Sahrens pack->bw_index, n, i); 3325fa9e4066Sahrens 3326fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 3327fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 3328fa9e4066Sahrens 3329fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 3330fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 3331fa9e4066Sahrens 3332fa9e4066Sahrens if (freeit) { 3333fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 3334fa9e4066Sahrens } else { 3335fa9e4066Sahrens pack->bw_index = n + i; 3336fa9e4066Sahrens pack->bw_txg = txg; 3337fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 3338fa9e4066Sahrens } 3339fa9e4066Sahrens *bigH = *pack; 3340fa9e4066Sahrens *bigT = *pack; 3341fa9e4066Sahrens } 3342fa9e4066Sahrens 3343fa9e4066Sahrens /* 3344fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 3345fa9e4066Sahrens * Now write them out. 3346fa9e4066Sahrens */ 3347b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3348fa9e4066Sahrens 3349fa9e4066Sahrens if (freeit) { 3350b24ab676SJeff Bonwick if (zopt_verbose >= 7) { 3351fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 3352fa9e4066Sahrens " txg %llx\n", 3353fa9e4066Sahrens (u_longlong_t)bigoff, 3354fa9e4066Sahrens (u_longlong_t)bigsize, 3355fa9e4066Sahrens (u_longlong_t)txg); 3356fa9e4066Sahrens } 3357b24ab676SJeff Bonwick VERIFY(0 == dmu_free_range(os, bigobj, bigoff, bigsize, tx)); 3358fa9e4066Sahrens } else { 3359b24ab676SJeff Bonwick if (zopt_verbose >= 7) { 3360fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 3361fa9e4066Sahrens " txg %llx\n", 3362fa9e4066Sahrens (u_longlong_t)bigoff, 3363fa9e4066Sahrens (u_longlong_t)bigsize, 3364fa9e4066Sahrens (u_longlong_t)txg); 3365fa9e4066Sahrens } 3366b24ab676SJeff Bonwick dmu_write(os, bigobj, bigoff, bigsize, bigbuf, tx); 3367fa9e4066Sahrens } 3368fa9e4066Sahrens 3369fa9e4066Sahrens dmu_tx_commit(tx); 3370fa9e4066Sahrens 3371fa9e4066Sahrens /* 3372fa9e4066Sahrens * Sanity check the stuff we just wrote. 3373fa9e4066Sahrens */ 3374fa9e4066Sahrens { 3375fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 3376fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 3377fa9e4066Sahrens 3378b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 33797bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3380b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 33817bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 3382fa9e4066Sahrens 3383fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 3384fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 3385fa9e4066Sahrens 3386fa9e4066Sahrens umem_free(packcheck, packsize); 3387fa9e4066Sahrens umem_free(bigcheck, bigsize); 3388fa9e4066Sahrens } 3389fa9e4066Sahrens 3390fa9e4066Sahrens umem_free(packbuf, packsize); 3391fa9e4066Sahrens umem_free(bigbuf, bigsize); 3392fa9e4066Sahrens } 3393fa9e4066Sahrens 33942fdbea25SAleksandr Guzovskiy void 33952fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(uint64_t s, bufwad_t *packbuf, bufwad_t *bigbuf, 3396b24ab676SJeff Bonwick uint64_t bigsize, uint64_t n, uint64_t chunksize, uint64_t txg) 33972fdbea25SAleksandr Guzovskiy { 33982fdbea25SAleksandr Guzovskiy uint64_t i; 33992fdbea25SAleksandr Guzovskiy bufwad_t *pack; 34002fdbea25SAleksandr Guzovskiy bufwad_t *bigH; 34012fdbea25SAleksandr Guzovskiy bufwad_t *bigT; 34022fdbea25SAleksandr Guzovskiy 34032fdbea25SAleksandr Guzovskiy /* 34042fdbea25SAleksandr Guzovskiy * For each index from n to n + s, verify that the existing bufwad 34052fdbea25SAleksandr Guzovskiy * in packobj matches the bufwads at the head and tail of the 34062fdbea25SAleksandr Guzovskiy * corresponding chunk in bigobj. Then update all three bufwads 34072fdbea25SAleksandr Guzovskiy * with the new values we want to write out. 34082fdbea25SAleksandr Guzovskiy */ 34092fdbea25SAleksandr Guzovskiy for (i = 0; i < s; i++) { 34102fdbea25SAleksandr Guzovskiy /* LINTED */ 34112fdbea25SAleksandr Guzovskiy pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 34122fdbea25SAleksandr Guzovskiy /* LINTED */ 3413b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 34142fdbea25SAleksandr Guzovskiy /* LINTED */ 3415b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 34162fdbea25SAleksandr Guzovskiy 34172fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 34182fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 34192fdbea25SAleksandr Guzovskiy 34202fdbea25SAleksandr Guzovskiy if (pack->bw_txg > txg) 34212fdbea25SAleksandr Guzovskiy fatal(0, "future leak: got %llx, open txg is %llx", 34222fdbea25SAleksandr Guzovskiy pack->bw_txg, txg); 34232fdbea25SAleksandr Guzovskiy 34242fdbea25SAleksandr Guzovskiy if (pack->bw_data != 0 && pack->bw_index != n + i) 34252fdbea25SAleksandr Guzovskiy fatal(0, "wrong index: got %llx, wanted %llx+%llx", 34262fdbea25SAleksandr Guzovskiy pack->bw_index, n, i); 34272fdbea25SAleksandr Guzovskiy 34282fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 34292fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 34302fdbea25SAleksandr Guzovskiy 34312fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 34322fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 34332fdbea25SAleksandr Guzovskiy 34342fdbea25SAleksandr Guzovskiy pack->bw_index = n + i; 34352fdbea25SAleksandr Guzovskiy pack->bw_txg = txg; 34362fdbea25SAleksandr Guzovskiy pack->bw_data = 1 + ztest_random(-2ULL); 34372fdbea25SAleksandr Guzovskiy 34382fdbea25SAleksandr Guzovskiy *bigH = *pack; 34392fdbea25SAleksandr Guzovskiy *bigT = *pack; 34402fdbea25SAleksandr Guzovskiy } 34412fdbea25SAleksandr Guzovskiy } 34422fdbea25SAleksandr Guzovskiy 34432fdbea25SAleksandr Guzovskiy void 3444b24ab676SJeff Bonwick ztest_dmu_read_write_zcopy(ztest_ds_t *zd, uint64_t id) 34452fdbea25SAleksandr Guzovskiy { 3446b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3447b24ab676SJeff Bonwick ztest_od_t od[2]; 34482fdbea25SAleksandr Guzovskiy dmu_tx_t *tx; 34492fdbea25SAleksandr Guzovskiy uint64_t i; 34502fdbea25SAleksandr Guzovskiy int error; 34512fdbea25SAleksandr Guzovskiy uint64_t n, s, txg; 34522fdbea25SAleksandr Guzovskiy bufwad_t *packbuf, *bigbuf; 3453b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3454b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3455b24ab676SJeff Bonwick uint64_t chunksize = blocksize; 34562fdbea25SAleksandr Guzovskiy uint64_t regions = 997; 34572fdbea25SAleksandr Guzovskiy uint64_t stride = 123456789ULL; 34582fdbea25SAleksandr Guzovskiy uint64_t width = 9; 34592fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 34602fdbea25SAleksandr Guzovskiy arc_buf_t **bigbuf_arcbufs; 3461b24ab676SJeff Bonwick dmu_object_info_t doi; 34622fdbea25SAleksandr Guzovskiy 34632fdbea25SAleksandr Guzovskiy /* 34642fdbea25SAleksandr Guzovskiy * This test uses two objects, packobj and bigobj, that are always 34652fdbea25SAleksandr Guzovskiy * updated together (i.e. in the same tx) so that their contents are 34662fdbea25SAleksandr Guzovskiy * in sync and can be compared. Their contents relate to each other 34672fdbea25SAleksandr Guzovskiy * in a simple way: packobj is a dense array of 'bufwad' structures, 34682fdbea25SAleksandr Guzovskiy * while bigobj is a sparse array of the same bufwads. Specifically, 34692fdbea25SAleksandr Guzovskiy * for any index n, there are three bufwads that should be identical: 34702fdbea25SAleksandr Guzovskiy * 34712fdbea25SAleksandr Guzovskiy * packobj, at offset n * sizeof (bufwad_t) 34722fdbea25SAleksandr Guzovskiy * bigobj, at the head of the nth chunk 34732fdbea25SAleksandr Guzovskiy * bigobj, at the tail of the nth chunk 34742fdbea25SAleksandr Guzovskiy * 34752fdbea25SAleksandr Guzovskiy * The chunk size is set equal to bigobj block size so that 34762fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() can be tested for object updates. 34772fdbea25SAleksandr Guzovskiy */ 34782fdbea25SAleksandr Guzovskiy 34792fdbea25SAleksandr Guzovskiy /* 34802fdbea25SAleksandr Guzovskiy * Read the directory info. If it's the first time, set things up. 34812fdbea25SAleksandr Guzovskiy */ 3482b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3483b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 34842fdbea25SAleksandr Guzovskiy 3485b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3486b24ab676SJeff Bonwick return; 34872fdbea25SAleksandr Guzovskiy 3488b24ab676SJeff Bonwick bigobj = od[0].od_object; 3489b24ab676SJeff Bonwick packobj = od[1].od_object; 3490b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 3491b24ab676SJeff Bonwick chunksize = blocksize; 3492b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 34932fdbea25SAleksandr Guzovskiy 3494b24ab676SJeff Bonwick VERIFY(dmu_object_info(os, bigobj, &doi) == 0); 3495b24ab676SJeff Bonwick VERIFY(ISP2(doi.doi_data_block_size)); 3496b24ab676SJeff Bonwick VERIFY(chunksize == doi.doi_data_block_size); 3497b24ab676SJeff Bonwick VERIFY(chunksize >= 2 * sizeof (bufwad_t)); 34982fdbea25SAleksandr Guzovskiy 34992fdbea25SAleksandr Guzovskiy /* 35002fdbea25SAleksandr Guzovskiy * Pick a random index and compute the offsets into packobj and bigobj. 35012fdbea25SAleksandr Guzovskiy */ 35022fdbea25SAleksandr Guzovskiy n = ztest_random(regions) * stride + ztest_random(width); 35032fdbea25SAleksandr Guzovskiy s = 1 + ztest_random(width - 1); 35042fdbea25SAleksandr Guzovskiy 35052fdbea25SAleksandr Guzovskiy packoff = n * sizeof (bufwad_t); 35062fdbea25SAleksandr Guzovskiy packsize = s * sizeof (bufwad_t); 35072fdbea25SAleksandr Guzovskiy 3508b24ab676SJeff Bonwick bigoff = n * chunksize; 3509b24ab676SJeff Bonwick bigsize = s * chunksize; 35102fdbea25SAleksandr Guzovskiy 35112fdbea25SAleksandr Guzovskiy packbuf = umem_zalloc(packsize, UMEM_NOFAIL); 35122fdbea25SAleksandr Guzovskiy bigbuf = umem_zalloc(bigsize, UMEM_NOFAIL); 35132fdbea25SAleksandr Guzovskiy 3514b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, bigobj, FTAG, &bonus_db)); 35152fdbea25SAleksandr Guzovskiy 35162fdbea25SAleksandr Guzovskiy bigbuf_arcbufs = umem_zalloc(2 * s * sizeof (arc_buf_t *), UMEM_NOFAIL); 35172fdbea25SAleksandr Guzovskiy 35182fdbea25SAleksandr Guzovskiy /* 35192fdbea25SAleksandr Guzovskiy * Iteration 0 test zcopy for DB_UNCACHED dbufs. 35202fdbea25SAleksandr Guzovskiy * Iteration 1 test zcopy to already referenced dbufs. 35212fdbea25SAleksandr Guzovskiy * Iteration 2 test zcopy to dirty dbuf in the same txg. 35222fdbea25SAleksandr Guzovskiy * Iteration 3 test zcopy to dbuf dirty in previous txg. 35232fdbea25SAleksandr Guzovskiy * Iteration 4 test zcopy when dbuf is no longer dirty. 35242fdbea25SAleksandr Guzovskiy * Iteration 5 test zcopy when it can't be done. 35252fdbea25SAleksandr Guzovskiy * Iteration 6 one more zcopy write. 35262fdbea25SAleksandr Guzovskiy */ 35272fdbea25SAleksandr Guzovskiy for (i = 0; i < 7; i++) { 35282fdbea25SAleksandr Guzovskiy uint64_t j; 35292fdbea25SAleksandr Guzovskiy uint64_t off; 35302fdbea25SAleksandr Guzovskiy 35312fdbea25SAleksandr Guzovskiy /* 35322fdbea25SAleksandr Guzovskiy * In iteration 5 (i == 5) use arcbufs 35332fdbea25SAleksandr Guzovskiy * that don't match bigobj blksz to test 35342fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() when it can't directly 35352fdbea25SAleksandr Guzovskiy * assign an arcbuf to a dbuf. 35362fdbea25SAleksandr Guzovskiy */ 35372fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 35382fdbea25SAleksandr Guzovskiy if (i != 5) { 35392fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j] = 3540b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize); 35412fdbea25SAleksandr Guzovskiy } else { 35422fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j] = 3543b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 35442fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1] = 3545b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 35462fdbea25SAleksandr Guzovskiy } 35472fdbea25SAleksandr Guzovskiy } 35482fdbea25SAleksandr Guzovskiy 35492fdbea25SAleksandr Guzovskiy /* 35502fdbea25SAleksandr Guzovskiy * Get a tx for the mods to both packobj and bigobj. 35512fdbea25SAleksandr Guzovskiy */ 35522fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 35532fdbea25SAleksandr Guzovskiy 3554b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3555b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 35562fdbea25SAleksandr Guzovskiy 3557b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3558b24ab676SJeff Bonwick if (txg == 0) { 35592fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 35602fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 35612fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 35622fdbea25SAleksandr Guzovskiy if (i != 5) { 35632fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(bigbuf_arcbufs[j]); 35642fdbea25SAleksandr Guzovskiy } else { 35652fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 35662fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]); 35672fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 35682fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]); 35692fdbea25SAleksandr Guzovskiy } 35702fdbea25SAleksandr Guzovskiy } 35712fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 35722fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 35732fdbea25SAleksandr Guzovskiy return; 35742fdbea25SAleksandr Guzovskiy } 35752fdbea25SAleksandr Guzovskiy 35762fdbea25SAleksandr Guzovskiy /* 35772fdbea25SAleksandr Guzovskiy * 50% of the time don't read objects in the 1st iteration to 35782fdbea25SAleksandr Guzovskiy * test dmu_assign_arcbuf() for the case when there're no 35792fdbea25SAleksandr Guzovskiy * existing dbufs for the specified offsets. 35802fdbea25SAleksandr Guzovskiy */ 35812fdbea25SAleksandr Guzovskiy if (i != 0 || ztest_random(2) != 0) { 3582b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, 35837bfdf011SNeil Perrin packsize, packbuf, DMU_READ_PREFETCH); 35842fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 3585b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, 35867bfdf011SNeil Perrin bigbuf, DMU_READ_PREFETCH); 35872fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 35882fdbea25SAleksandr Guzovskiy } 35892fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(s, packbuf, bigbuf, bigsize, 3590b24ab676SJeff Bonwick n, chunksize, txg); 35912fdbea25SAleksandr Guzovskiy 35922fdbea25SAleksandr Guzovskiy /* 35932fdbea25SAleksandr Guzovskiy * We've verified all the old bufwads, and made new ones. 35942fdbea25SAleksandr Guzovskiy * Now write them out. 35952fdbea25SAleksandr Guzovskiy */ 3596b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3597b24ab676SJeff Bonwick if (zopt_verbose >= 7) { 35982fdbea25SAleksandr Guzovskiy (void) printf("writing offset %llx size %llx" 35992fdbea25SAleksandr Guzovskiy " txg %llx\n", 36002fdbea25SAleksandr Guzovskiy (u_longlong_t)bigoff, 36012fdbea25SAleksandr Guzovskiy (u_longlong_t)bigsize, 36022fdbea25SAleksandr Guzovskiy (u_longlong_t)txg); 36032fdbea25SAleksandr Guzovskiy } 3604b24ab676SJeff Bonwick for (off = bigoff, j = 0; j < s; j++, off += chunksize) { 36052fdbea25SAleksandr Guzovskiy dmu_buf_t *dbt; 36062fdbea25SAleksandr Guzovskiy if (i != 5) { 36072fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 3608b24ab676SJeff Bonwick bigbuf_arcbufs[j]->b_data, chunksize); 36092fdbea25SAleksandr Guzovskiy } else { 36102fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 36112fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]->b_data, 3612b24ab676SJeff Bonwick chunksize / 2); 36132fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff) + 3614b24ab676SJeff Bonwick chunksize / 2, 36152fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]->b_data, 3616b24ab676SJeff Bonwick chunksize / 2); 36172fdbea25SAleksandr Guzovskiy } 36182fdbea25SAleksandr Guzovskiy 36192fdbea25SAleksandr Guzovskiy if (i == 1) { 3620b24ab676SJeff Bonwick VERIFY(dmu_buf_hold(os, bigobj, off, 362147cb52daSJeff Bonwick FTAG, &dbt, DMU_READ_NO_PREFETCH) == 0); 36222fdbea25SAleksandr Guzovskiy } 36232fdbea25SAleksandr Guzovskiy if (i != 5) { 36242fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 36252fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j], tx); 36262fdbea25SAleksandr Guzovskiy } else { 36272fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 36282fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j], tx); 36292fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, 3630b24ab676SJeff Bonwick off + chunksize / 2, 36312fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1], tx); 36322fdbea25SAleksandr Guzovskiy } 36332fdbea25SAleksandr Guzovskiy if (i == 1) { 36342fdbea25SAleksandr Guzovskiy dmu_buf_rele(dbt, FTAG); 36352fdbea25SAleksandr Guzovskiy } 36362fdbea25SAleksandr Guzovskiy } 36372fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 36382fdbea25SAleksandr Guzovskiy 36392fdbea25SAleksandr Guzovskiy /* 36402fdbea25SAleksandr Guzovskiy * Sanity check the stuff we just wrote. 36412fdbea25SAleksandr Guzovskiy */ 36422fdbea25SAleksandr Guzovskiy { 36432fdbea25SAleksandr Guzovskiy void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 36442fdbea25SAleksandr Guzovskiy void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 36452fdbea25SAleksandr Guzovskiy 3646b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 36477bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3648b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 36497bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 36502fdbea25SAleksandr Guzovskiy 36512fdbea25SAleksandr Guzovskiy ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 36522fdbea25SAleksandr Guzovskiy ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 36532fdbea25SAleksandr Guzovskiy 36542fdbea25SAleksandr Guzovskiy umem_free(packcheck, packsize); 36552fdbea25SAleksandr Guzovskiy umem_free(bigcheck, bigsize); 36562fdbea25SAleksandr Guzovskiy } 36572fdbea25SAleksandr Guzovskiy if (i == 2) { 3658b24ab676SJeff Bonwick txg_wait_open(dmu_objset_pool(os), 0); 3659b24ab676SJeff Bonwick } else if (i == 3) { 3660b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 3661fa9e4066Sahrens } 3662e05725b1Sbonwick } 3663e05725b1Sbonwick 3664b24ab676SJeff Bonwick dmu_buf_rele(bonus_db, FTAG); 3665b24ab676SJeff Bonwick umem_free(packbuf, packsize); 3666b24ab676SJeff Bonwick umem_free(bigbuf, bigsize); 3667b24ab676SJeff Bonwick umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 3668b24ab676SJeff Bonwick } 3669fa9e4066Sahrens 3670b24ab676SJeff Bonwick /* ARGSUSED */ 3671b24ab676SJeff Bonwick void 3672b24ab676SJeff Bonwick ztest_dmu_write_parallel(ztest_ds_t *zd, uint64_t id) 3673b24ab676SJeff Bonwick { 3674b24ab676SJeff Bonwick ztest_od_t od[1]; 3675b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(20) + 43)) + 3676b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3677fa9e4066Sahrens 3678e05725b1Sbonwick /* 3679b24ab676SJeff Bonwick * Have multiple threads write to large offsets in an object 3680b24ab676SJeff Bonwick * to verify that parallel writes to an object -- even to the 3681b24ab676SJeff Bonwick * same blocks within the object -- doesn't cause any trouble. 3682e05725b1Sbonwick */ 3683b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 3684fa9e4066Sahrens 3685b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3686e05725b1Sbonwick return; 3687fa9e4066Sahrens 3688b24ab676SJeff Bonwick while (ztest_random(10) != 0) 3689b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, offset); 3690b24ab676SJeff Bonwick } 3691fa9e4066Sahrens 3692b24ab676SJeff Bonwick void 3693b24ab676SJeff Bonwick ztest_dmu_prealloc(ztest_ds_t *zd, uint64_t id) 3694b24ab676SJeff Bonwick { 3695b24ab676SJeff Bonwick ztest_od_t od[1]; 3696b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(4) + SPA_MAXBLOCKSHIFT)) + 3697b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3698b24ab676SJeff Bonwick uint64_t count = ztest_random(20) + 1; 3699b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3700b24ab676SJeff Bonwick void *data; 3701fa9e4066Sahrens 3702b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3703fa9e4066Sahrens 3704b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3705e05725b1Sbonwick return; 37060e34b6a7Sbonwick 3707b24ab676SJeff Bonwick if (ztest_truncate(zd, od[0].od_object, offset, count * blocksize) != 0) 3708f4a72450SJeff Bonwick return; 3709f4a72450SJeff Bonwick 3710b24ab676SJeff Bonwick ztest_prealloc(zd, od[0].od_object, offset, count * blocksize); 3711fa9e4066Sahrens 3712b24ab676SJeff Bonwick data = umem_zalloc(blocksize, UMEM_NOFAIL); 3713b24ab676SJeff Bonwick 3714b24ab676SJeff Bonwick while (ztest_random(count) != 0) { 3715b24ab676SJeff Bonwick uint64_t randoff = offset + (ztest_random(count) * blocksize); 3716b24ab676SJeff Bonwick if (ztest_write(zd, od[0].od_object, randoff, blocksize, 3717b24ab676SJeff Bonwick data) != 0) 3718b24ab676SJeff Bonwick break; 3719b24ab676SJeff Bonwick while (ztest_random(4) != 0) 3720b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, randoff); 3721b24ab676SJeff Bonwick } 3722b24ab676SJeff Bonwick 3723b24ab676SJeff Bonwick umem_free(data, blocksize); 3724fa9e4066Sahrens } 3725fa9e4066Sahrens 3726fa9e4066Sahrens /* 3727fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 3728fa9e4066Sahrens */ 3729fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 3730fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 3731fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 3732fa9e4066Sahrens 3733fa9e4066Sahrens void 3734b24ab676SJeff Bonwick ztest_zap(ztest_ds_t *zd, uint64_t id) 3735fa9e4066Sahrens { 3736b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3737b24ab676SJeff Bonwick ztest_od_t od[1]; 3738fa9e4066Sahrens uint64_t object; 3739fa9e4066Sahrens uint64_t txg, last_txg; 3740fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 3741fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 3742fa9e4066Sahrens int i, ints; 3743fa9e4066Sahrens dmu_tx_t *tx; 3744fa9e4066Sahrens char propname[100], txgname[100]; 3745fa9e4066Sahrens int error; 3746fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 3747fa9e4066Sahrens 3748b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 3749fa9e4066Sahrens 3750b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3751b24ab676SJeff Bonwick return; 3752fa9e4066Sahrens 3753b24ab676SJeff Bonwick object = od[0].od_object; 3754fa9e4066Sahrens 3755b24ab676SJeff Bonwick /* 3756b24ab676SJeff Bonwick * Generate a known hash collision, and verify that 3757b24ab676SJeff Bonwick * we can lookup and remove both entries. 3758b24ab676SJeff Bonwick */ 3759b24ab676SJeff Bonwick tx = dmu_tx_create(os); 3760b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3761b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3762b24ab676SJeff Bonwick if (txg == 0) 3763b24ab676SJeff Bonwick return; 3764b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3765b24ab676SJeff Bonwick value[i] = i; 3766b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_add(os, object, hc[i], sizeof (uint64_t), 3767b24ab676SJeff Bonwick 1, &value[i], tx)); 3768b24ab676SJeff Bonwick } 3769b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3770b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, zap_add(os, object, hc[i], 3771b24ab676SJeff Bonwick sizeof (uint64_t), 1, &value[i], tx)); 3772b24ab676SJeff Bonwick VERIFY3U(0, ==, 3773b24ab676SJeff Bonwick zap_length(os, object, hc[i], &zl_intsize, &zl_ints)); 3774b24ab676SJeff Bonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3775b24ab676SJeff Bonwick ASSERT3U(zl_ints, ==, 1); 3776fa9e4066Sahrens } 3777b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3778b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, object, hc[i], tx)); 3779b24ab676SJeff Bonwick } 3780b24ab676SJeff Bonwick dmu_tx_commit(tx); 3781fa9e4066Sahrens 3782b24ab676SJeff Bonwick /* 3783b24ab676SJeff Bonwick * Generate a buch of random entries. 3784b24ab676SJeff Bonwick */ 3785fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 3786fa9e4066Sahrens 3787e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 3788e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 3789e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 3790e05725b1Sbonwick bzero(value, sizeof (value)); 3791e05725b1Sbonwick last_txg = 0; 3792fa9e4066Sahrens 3793e05725b1Sbonwick /* 3794e05725b1Sbonwick * If these zap entries already exist, validate their contents. 3795e05725b1Sbonwick */ 3796e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 3797e05725b1Sbonwick if (error == 0) { 3798e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3799e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 3800fa9e4066Sahrens 3801e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 3802e05725b1Sbonwick zl_ints, &last_txg) == 0); 3803fa9e4066Sahrens 3804e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 3805e05725b1Sbonwick &zl_ints) == 0); 3806fa9e4066Sahrens 3807e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3808e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 3809fa9e4066Sahrens 3810e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 3811e05725b1Sbonwick zl_ints, value) == 0); 3812fa9e4066Sahrens 3813e05725b1Sbonwick for (i = 0; i < ints; i++) { 3814e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 3815fa9e4066Sahrens } 3816e05725b1Sbonwick } else { 3817e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 3818e05725b1Sbonwick } 3819fa9e4066Sahrens 3820e05725b1Sbonwick /* 3821e05725b1Sbonwick * Atomically update two entries in our zap object. 3822e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 3823e05725b1Sbonwick * in which the property was last updated. The second 3824e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 3825e05725b1Sbonwick * should be txg + object + n. 3826e05725b1Sbonwick */ 3827e05725b1Sbonwick tx = dmu_tx_create(os); 3828b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3829b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3830b24ab676SJeff Bonwick if (txg == 0) 3831e05725b1Sbonwick return; 3832fa9e4066Sahrens 3833e05725b1Sbonwick if (last_txg > txg) 3834e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 3835fa9e4066Sahrens 3836e05725b1Sbonwick for (i = 0; i < ints; i++) 3837e05725b1Sbonwick value[i] = txg + object + i; 3838fa9e4066Sahrens 3839b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_update(os, object, txgname, sizeof (uint64_t), 3840b24ab676SJeff Bonwick 1, &txg, tx)); 3841b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_update(os, object, propname, sizeof (uint64_t), 3842b24ab676SJeff Bonwick ints, value, tx)); 3843fa9e4066Sahrens 3844e05725b1Sbonwick dmu_tx_commit(tx); 3845fa9e4066Sahrens 3846e05725b1Sbonwick /* 3847e05725b1Sbonwick * Remove a random pair of entries. 3848e05725b1Sbonwick */ 3849e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 3850e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 3851e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 3852fa9e4066Sahrens 3853e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 3854fa9e4066Sahrens 3855e05725b1Sbonwick if (error == ENOENT) 3856e05725b1Sbonwick return; 3857fa9e4066Sahrens 3858e05725b1Sbonwick ASSERT3U(error, ==, 0); 3859fa9e4066Sahrens 3860e05725b1Sbonwick tx = dmu_tx_create(os); 3861b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3862b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3863b24ab676SJeff Bonwick if (txg == 0) 386412a2833aSSanjeev Bagewadi return; 3865b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, object, txgname, tx)); 3866b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, object, propname, tx)); 386712a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 386812a2833aSSanjeev Bagewadi } 386912a2833aSSanjeev Bagewadi 387012a2833aSSanjeev Bagewadi /* 387112a2833aSSanjeev Bagewadi * Testcase to test the upgrading of a microzap to fatzap. 387212a2833aSSanjeev Bagewadi */ 387312a2833aSSanjeev Bagewadi void 3874b24ab676SJeff Bonwick ztest_fzap(ztest_ds_t *zd, uint64_t id) 387512a2833aSSanjeev Bagewadi { 3876b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3877b24ab676SJeff Bonwick ztest_od_t od[1]; 3878b24ab676SJeff Bonwick uint64_t object, txg; 387912a2833aSSanjeev Bagewadi 3880b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 388112a2833aSSanjeev Bagewadi 3882b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3883b24ab676SJeff Bonwick return; 388412a2833aSSanjeev Bagewadi 3885b24ab676SJeff Bonwick object = od[0].od_object; 388612a2833aSSanjeev Bagewadi 388712a2833aSSanjeev Bagewadi /* 3888b24ab676SJeff Bonwick * Add entries to this ZAP and make sure it spills over 388912a2833aSSanjeev Bagewadi * and gets upgraded to a fatzap. Also, since we are adding 3890b24ab676SJeff Bonwick * 2050 entries we should see ptrtbl growth and leaf-block split. 389112a2833aSSanjeev Bagewadi */ 3892b24ab676SJeff Bonwick for (int i = 0; i < 2050; i++) { 3893b24ab676SJeff Bonwick char name[MAXNAMELEN]; 3894b24ab676SJeff Bonwick uint64_t value = i; 3895b24ab676SJeff Bonwick dmu_tx_t *tx; 3896b24ab676SJeff Bonwick int error; 389712a2833aSSanjeev Bagewadi 3898b24ab676SJeff Bonwick (void) snprintf(name, sizeof (name), "fzap-%llu-%llu", 3899b24ab676SJeff Bonwick id, value); 390012a2833aSSanjeev Bagewadi 3901b24ab676SJeff Bonwick tx = dmu_tx_create(os); 3902b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, name); 3903b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3904b24ab676SJeff Bonwick if (txg == 0) 390512a2833aSSanjeev Bagewadi return; 3906b24ab676SJeff Bonwick error = zap_add(os, object, name, sizeof (uint64_t), 1, 3907b24ab676SJeff Bonwick &value, tx); 390812a2833aSSanjeev Bagewadi ASSERT(error == 0 || error == EEXIST); 390912a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 391012a2833aSSanjeev Bagewadi } 3911fa9e4066Sahrens } 3912fa9e4066Sahrens 3913b24ab676SJeff Bonwick /* ARGSUSED */ 3914fa9e4066Sahrens void 3915b24ab676SJeff Bonwick ztest_zap_parallel(ztest_ds_t *zd, uint64_t id) 3916fa9e4066Sahrens { 3917b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3918b24ab676SJeff Bonwick ztest_od_t od[1]; 3919fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 3920fa9e4066Sahrens dmu_tx_t *tx; 3921fa9e4066Sahrens int i, namelen, error; 3922b24ab676SJeff Bonwick int micro = ztest_random(2); 3923fa9e4066Sahrens char name[20], string_value[20]; 3924fa9e4066Sahrens void *data; 3925fa9e4066Sahrens 3926b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, micro, DMU_OT_ZAP_OTHER, 0, 0); 3927b24ab676SJeff Bonwick 3928b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3929b24ab676SJeff Bonwick return; 3930b24ab676SJeff Bonwick 3931b24ab676SJeff Bonwick object = od[0].od_object; 3932b24ab676SJeff Bonwick 3933e05725b1Sbonwick /* 3934e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 3935e05725b1Sbonwick * x is a random printable character and the dots are dots. 3936e05725b1Sbonwick * There are 94 such characters, and the name length goes from 3937e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 3938e05725b1Sbonwick */ 3939e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 3940fa9e4066Sahrens 3941e05725b1Sbonwick for (i = 0; i < 3; i++) 3942e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 3943e05725b1Sbonwick for (; i < namelen - 1; i++) 3944e05725b1Sbonwick name[i] = '.'; 3945e05725b1Sbonwick name[i] = '\0'; 3946fa9e4066Sahrens 3947b24ab676SJeff Bonwick if ((namelen & 1) || micro) { 3948e05725b1Sbonwick wsize = sizeof (txg); 3949e05725b1Sbonwick wc = 1; 3950e05725b1Sbonwick data = &txg; 3951e05725b1Sbonwick } else { 3952e05725b1Sbonwick wsize = 1; 3953e05725b1Sbonwick wc = namelen; 3954e05725b1Sbonwick data = string_value; 3955e05725b1Sbonwick } 3956fa9e4066Sahrens 3957e05725b1Sbonwick count = -1ULL; 3958e05725b1Sbonwick VERIFY(zap_count(os, object, &count) == 0); 3959e05725b1Sbonwick ASSERT(count != -1ULL); 3960fa9e4066Sahrens 3961e05725b1Sbonwick /* 3962e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 3963e05725b1Sbonwick */ 3964e05725b1Sbonwick i = ztest_random(5); 3965e05725b1Sbonwick 3966e05725b1Sbonwick if (i >= 2) { 3967e05725b1Sbonwick tx = dmu_tx_create(os); 3968b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3969b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3970b24ab676SJeff Bonwick if (txg == 0) 3971e05725b1Sbonwick return; 3972e05725b1Sbonwick bcopy(name, string_value, namelen); 3973e05725b1Sbonwick } else { 3974e05725b1Sbonwick tx = NULL; 3975e05725b1Sbonwick txg = 0; 3976e05725b1Sbonwick bzero(string_value, namelen); 3977e05725b1Sbonwick } 3978fa9e4066Sahrens 3979e05725b1Sbonwick switch (i) { 3980fa9e4066Sahrens 3981e05725b1Sbonwick case 0: 3982e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 3983e05725b1Sbonwick if (error == 0) { 3984e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 3985e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 3986e05725b1Sbonwick } else { 3987e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 3988e05725b1Sbonwick } 3989e05725b1Sbonwick break; 3990fa9e4066Sahrens 3991e05725b1Sbonwick case 1: 3992e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 3993e05725b1Sbonwick if (error == 0) { 3994e05725b1Sbonwick if (data == string_value && 3995e05725b1Sbonwick bcmp(name, data, namelen) != 0) 3996e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 3997e05725b1Sbonwick name, data, namelen); 3998e05725b1Sbonwick } else { 3999e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4000e05725b1Sbonwick } 4001e05725b1Sbonwick break; 4002fa9e4066Sahrens 4003e05725b1Sbonwick case 2: 4004e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 4005e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 4006e05725b1Sbonwick break; 4007fa9e4066Sahrens 4008e05725b1Sbonwick case 3: 4009e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 4010e05725b1Sbonwick break; 4011fa9e4066Sahrens 4012e05725b1Sbonwick case 4: 4013e05725b1Sbonwick error = zap_remove(os, object, name, tx); 4014e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 4015e05725b1Sbonwick break; 4016fa9e4066Sahrens } 4017e05725b1Sbonwick 4018e05725b1Sbonwick if (tx != NULL) 4019e05725b1Sbonwick dmu_tx_commit(tx); 4020fa9e4066Sahrens } 4021fa9e4066Sahrens 4022d20e665cSRicardo M. Correia /* 4023d20e665cSRicardo M. Correia * Commit callback data. 4024d20e665cSRicardo M. Correia */ 4025d20e665cSRicardo M. Correia typedef struct ztest_cb_data { 4026d20e665cSRicardo M. Correia list_node_t zcd_node; 4027d20e665cSRicardo M. Correia uint64_t zcd_txg; 4028d20e665cSRicardo M. Correia int zcd_expected_err; 4029d20e665cSRicardo M. Correia boolean_t zcd_added; 4030d20e665cSRicardo M. Correia boolean_t zcd_called; 4031d20e665cSRicardo M. Correia spa_t *zcd_spa; 4032d20e665cSRicardo M. Correia } ztest_cb_data_t; 4033d20e665cSRicardo M. Correia 4034d20e665cSRicardo M. Correia /* This is the actual commit callback function */ 4035d20e665cSRicardo M. Correia static void 4036d20e665cSRicardo M. Correia ztest_commit_callback(void *arg, int error) 4037d20e665cSRicardo M. Correia { 4038d20e665cSRicardo M. Correia ztest_cb_data_t *data = arg; 4039d20e665cSRicardo M. Correia uint64_t synced_txg; 4040d20e665cSRicardo M. Correia 4041d20e665cSRicardo M. Correia VERIFY(data != NULL); 4042d20e665cSRicardo M. Correia VERIFY3S(data->zcd_expected_err, ==, error); 4043d20e665cSRicardo M. Correia VERIFY(!data->zcd_called); 4044d20e665cSRicardo M. Correia 4045d20e665cSRicardo M. Correia synced_txg = spa_last_synced_txg(data->zcd_spa); 4046d20e665cSRicardo M. Correia if (data->zcd_txg > synced_txg) 4047d20e665cSRicardo M. Correia fatal(0, "commit callback of txg %" PRIu64 " called prematurely" 4048d20e665cSRicardo M. Correia ", last synced txg = %" PRIu64 "\n", data->zcd_txg, 4049d20e665cSRicardo M. Correia synced_txg); 4050d20e665cSRicardo M. Correia 4051d20e665cSRicardo M. Correia data->zcd_called = B_TRUE; 4052d20e665cSRicardo M. Correia 4053d20e665cSRicardo M. Correia if (error == ECANCELED) { 4054d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, ==, 0); 4055d20e665cSRicardo M. Correia ASSERT(!data->zcd_added); 4056d20e665cSRicardo M. Correia 4057d20e665cSRicardo M. Correia /* 4058d20e665cSRicardo M. Correia * The private callback data should be destroyed here, but 4059d20e665cSRicardo M. Correia * since we are going to check the zcd_called field after 4060d20e665cSRicardo M. Correia * dmu_tx_abort(), we will destroy it there. 4061d20e665cSRicardo M. Correia */ 4062d20e665cSRicardo M. Correia return; 4063d20e665cSRicardo M. Correia } 4064d20e665cSRicardo M. Correia 4065d20e665cSRicardo M. Correia /* Was this callback added to the global callback list? */ 4066d20e665cSRicardo M. Correia if (!data->zcd_added) 4067d20e665cSRicardo M. Correia goto out; 4068d20e665cSRicardo M. Correia 4069d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, !=, 0); 4070d20e665cSRicardo M. Correia 4071d20e665cSRicardo M. Correia /* Remove our callback from the list */ 4072d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4073d20e665cSRicardo M. Correia list_remove(&zcl.zcl_callbacks, data); 4074d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4075d20e665cSRicardo M. Correia 4076d20e665cSRicardo M. Correia out: 4077d20e665cSRicardo M. Correia umem_free(data, sizeof (ztest_cb_data_t)); 4078d20e665cSRicardo M. Correia } 4079d20e665cSRicardo M. Correia 4080d20e665cSRicardo M. Correia /* Allocate and initialize callback data structure */ 4081d20e665cSRicardo M. Correia static ztest_cb_data_t * 4082d20e665cSRicardo M. Correia ztest_create_cb_data(objset_t *os, uint64_t txg) 4083d20e665cSRicardo M. Correia { 4084d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data; 4085d20e665cSRicardo M. Correia 4086d20e665cSRicardo M. Correia cb_data = umem_zalloc(sizeof (ztest_cb_data_t), UMEM_NOFAIL); 4087d20e665cSRicardo M. Correia 4088d20e665cSRicardo M. Correia cb_data->zcd_txg = txg; 4089d20e665cSRicardo M. Correia cb_data->zcd_spa = dmu_objset_spa(os); 4090d20e665cSRicardo M. Correia 4091d20e665cSRicardo M. Correia return (cb_data); 4092d20e665cSRicardo M. Correia } 4093d20e665cSRicardo M. Correia 4094d20e665cSRicardo M. Correia /* 4095d20e665cSRicardo M. Correia * If a number of txgs equal to this threshold have been created after a commit 4096d20e665cSRicardo M. Correia * callback has been registered but not called, then we assume there is an 4097d20e665cSRicardo M. Correia * implementation bug. 4098d20e665cSRicardo M. Correia */ 4099d20e665cSRicardo M. Correia #define ZTEST_COMMIT_CALLBACK_THRESH (TXG_CONCURRENT_STATES + 2) 4100d20e665cSRicardo M. Correia 4101d20e665cSRicardo M. Correia /* 4102d20e665cSRicardo M. Correia * Commit callback test. 4103d20e665cSRicardo M. Correia */ 4104d20e665cSRicardo M. Correia void 4105b24ab676SJeff Bonwick ztest_dmu_commit_callbacks(ztest_ds_t *zd, uint64_t id) 4106d20e665cSRicardo M. Correia { 4107b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4108b24ab676SJeff Bonwick ztest_od_t od[1]; 4109d20e665cSRicardo M. Correia dmu_tx_t *tx; 4110d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data[3], *tmp_cb; 4111d20e665cSRicardo M. Correia uint64_t old_txg, txg; 4112d20e665cSRicardo M. Correia int i, error; 4113d20e665cSRicardo M. Correia 4114b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 4115b24ab676SJeff Bonwick 4116b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4117b24ab676SJeff Bonwick return; 4118b24ab676SJeff Bonwick 4119d20e665cSRicardo M. Correia tx = dmu_tx_create(os); 4120d20e665cSRicardo M. Correia 4121d20e665cSRicardo M. Correia cb_data[0] = ztest_create_cb_data(os, 0); 4122d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[0]); 4123d20e665cSRicardo M. Correia 4124b24ab676SJeff Bonwick dmu_tx_hold_write(tx, od[0].od_object, 0, sizeof (uint64_t)); 4125d20e665cSRicardo M. Correia 4126d20e665cSRicardo M. Correia /* Every once in a while, abort the transaction on purpose */ 4127d20e665cSRicardo M. Correia if (ztest_random(100) == 0) 4128d20e665cSRicardo M. Correia error = -1; 4129d20e665cSRicardo M. Correia 4130d20e665cSRicardo M. Correia if (!error) 4131d20e665cSRicardo M. Correia error = dmu_tx_assign(tx, TXG_NOWAIT); 4132d20e665cSRicardo M. Correia 4133d20e665cSRicardo M. Correia txg = error ? 0 : dmu_tx_get_txg(tx); 4134d20e665cSRicardo M. Correia 4135d20e665cSRicardo M. Correia cb_data[0]->zcd_txg = txg; 4136d20e665cSRicardo M. Correia cb_data[1] = ztest_create_cb_data(os, txg); 4137d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[1]); 4138d20e665cSRicardo M. Correia 4139d20e665cSRicardo M. Correia if (error) { 4140d20e665cSRicardo M. Correia /* 4141d20e665cSRicardo M. Correia * It's not a strict requirement to call the registered 4142d20e665cSRicardo M. Correia * callbacks from inside dmu_tx_abort(), but that's what 4143d20e665cSRicardo M. Correia * it's supposed to happen in the current implementation 4144d20e665cSRicardo M. Correia * so we will check for that. 4145d20e665cSRicardo M. Correia */ 4146d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4147d20e665cSRicardo M. Correia cb_data[i]->zcd_expected_err = ECANCELED; 4148d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4149d20e665cSRicardo M. Correia } 4150d20e665cSRicardo M. Correia 4151d20e665cSRicardo M. Correia dmu_tx_abort(tx); 4152d20e665cSRicardo M. Correia 4153d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4154d20e665cSRicardo M. Correia VERIFY(cb_data[i]->zcd_called); 4155d20e665cSRicardo M. Correia umem_free(cb_data[i], sizeof (ztest_cb_data_t)); 4156d20e665cSRicardo M. Correia } 4157d20e665cSRicardo M. Correia 4158d20e665cSRicardo M. Correia return; 4159d20e665cSRicardo M. Correia } 4160d20e665cSRicardo M. Correia 4161d20e665cSRicardo M. Correia cb_data[2] = ztest_create_cb_data(os, txg); 4162d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[2]); 4163d20e665cSRicardo M. Correia 4164d20e665cSRicardo M. Correia /* 4165d20e665cSRicardo M. Correia * Read existing data to make sure there isn't a future leak. 4166d20e665cSRicardo M. Correia */ 4167b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, od[0].od_object, 0, sizeof (uint64_t), 4168d20e665cSRicardo M. Correia &old_txg, DMU_READ_PREFETCH)); 4169d20e665cSRicardo M. Correia 4170d20e665cSRicardo M. Correia if (old_txg > txg) 4171d20e665cSRicardo M. Correia fatal(0, "future leak: got %" PRIu64 ", open txg is %" PRIu64, 4172d20e665cSRicardo M. Correia old_txg, txg); 4173d20e665cSRicardo M. Correia 4174b24ab676SJeff Bonwick dmu_write(os, od[0].od_object, 0, sizeof (uint64_t), &txg, tx); 4175d20e665cSRicardo M. Correia 4176d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4177d20e665cSRicardo M. Correia 4178d20e665cSRicardo M. Correia /* 4179d20e665cSRicardo M. Correia * Since commit callbacks don't have any ordering requirement and since 4180d20e665cSRicardo M. Correia * it is theoretically possible for a commit callback to be called 4181d20e665cSRicardo M. Correia * after an arbitrary amount of time has elapsed since its txg has been 4182d20e665cSRicardo M. Correia * synced, it is difficult to reliably determine whether a commit 4183d20e665cSRicardo M. Correia * callback hasn't been called due to high load or due to a flawed 4184d20e665cSRicardo M. Correia * implementation. 4185d20e665cSRicardo M. Correia * 4186d20e665cSRicardo M. Correia * In practice, we will assume that if after a certain number of txgs a 4187d20e665cSRicardo M. Correia * commit callback hasn't been called, then most likely there's an 4188d20e665cSRicardo M. Correia * implementation bug.. 4189d20e665cSRicardo M. Correia */ 4190d20e665cSRicardo M. Correia tmp_cb = list_head(&zcl.zcl_callbacks); 4191d20e665cSRicardo M. Correia if (tmp_cb != NULL && 4192d20e665cSRicardo M. Correia tmp_cb->zcd_txg > txg - ZTEST_COMMIT_CALLBACK_THRESH) { 4193d20e665cSRicardo M. Correia fatal(0, "Commit callback threshold exceeded, oldest txg: %" 4194d20e665cSRicardo M. Correia PRIu64 ", open txg: %" PRIu64 "\n", tmp_cb->zcd_txg, txg); 4195d20e665cSRicardo M. Correia } 4196d20e665cSRicardo M. Correia 4197d20e665cSRicardo M. Correia /* 4198d20e665cSRicardo M. Correia * Let's find the place to insert our callbacks. 4199d20e665cSRicardo M. Correia * 4200d20e665cSRicardo M. Correia * Even though the list is ordered by txg, it is possible for the 4201d20e665cSRicardo M. Correia * insertion point to not be the end because our txg may already be 4202d20e665cSRicardo M. Correia * quiescing at this point and other callbacks in the open txg 4203d20e665cSRicardo M. Correia * (from other objsets) may have sneaked in. 4204d20e665cSRicardo M. Correia */ 4205d20e665cSRicardo M. Correia tmp_cb = list_tail(&zcl.zcl_callbacks); 4206d20e665cSRicardo M. Correia while (tmp_cb != NULL && tmp_cb->zcd_txg > txg) 4207d20e665cSRicardo M. Correia tmp_cb = list_prev(&zcl.zcl_callbacks, tmp_cb); 4208d20e665cSRicardo M. Correia 4209d20e665cSRicardo M. Correia /* Add the 3 callbacks to the list */ 4210d20e665cSRicardo M. Correia for (i = 0; i < 3; i++) { 4211d20e665cSRicardo M. Correia if (tmp_cb == NULL) 4212d20e665cSRicardo M. Correia list_insert_head(&zcl.zcl_callbacks, cb_data[i]); 4213d20e665cSRicardo M. Correia else 4214d20e665cSRicardo M. Correia list_insert_after(&zcl.zcl_callbacks, tmp_cb, 4215d20e665cSRicardo M. Correia cb_data[i]); 4216d20e665cSRicardo M. Correia 4217d20e665cSRicardo M. Correia cb_data[i]->zcd_added = B_TRUE; 4218d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4219d20e665cSRicardo M. Correia 4220d20e665cSRicardo M. Correia tmp_cb = cb_data[i]; 4221d20e665cSRicardo M. Correia } 4222d20e665cSRicardo M. Correia 4223d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4224d20e665cSRicardo M. Correia 4225d20e665cSRicardo M. Correia dmu_tx_commit(tx); 4226d20e665cSRicardo M. Correia } 4227d20e665cSRicardo M. Correia 4228b24ab676SJeff Bonwick /* ARGSUSED */ 4229fa9e4066Sahrens void 4230b24ab676SJeff Bonwick ztest_dsl_prop_get_set(ztest_ds_t *zd, uint64_t id) 4231fa9e4066Sahrens { 4232b24ab676SJeff Bonwick zfs_prop_t proplist[] = { 4233b24ab676SJeff Bonwick ZFS_PROP_CHECKSUM, 4234b24ab676SJeff Bonwick ZFS_PROP_COMPRESSION, 4235b24ab676SJeff Bonwick ZFS_PROP_COPIES, 4236b24ab676SJeff Bonwick ZFS_PROP_DEDUP 4237b24ab676SJeff Bonwick }; 4238b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4239fa9e4066Sahrens 4240b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 4241fa9e4066Sahrens 4242b24ab676SJeff Bonwick for (int p = 0; p < sizeof (proplist) / sizeof (proplist[0]); p++) 4243b24ab676SJeff Bonwick (void) ztest_dsl_prop_set_uint64(zd->zd_name, proplist[p], 4244b24ab676SJeff Bonwick ztest_random_dsl_prop(proplist[p]), (int)ztest_random(2)); 4245fa9e4066Sahrens 4246b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4247b24ab676SJeff Bonwick } 4248fa9e4066Sahrens 4249b24ab676SJeff Bonwick /* ARGSUSED */ 4250b24ab676SJeff Bonwick void 4251b24ab676SJeff Bonwick ztest_spa_prop_get_set(ztest_ds_t *zd, uint64_t id) 4252b24ab676SJeff Bonwick { 4253b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4254b24ab676SJeff Bonwick nvlist_t *props = NULL; 4255ea8dc4b6Seschrock 4256b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 4257ea8dc4b6Seschrock 4258b24ab676SJeff Bonwick (void) ztest_spa_prop_set_uint64(zs, ZPOOL_PROP_DEDUPDITTO, 4259b24ab676SJeff Bonwick ZIO_DEDUPDITTO_MIN + ztest_random(ZIO_DEDUPDITTO_MIN)); 4260fa9e4066Sahrens 4261b24ab676SJeff Bonwick VERIFY3U(spa_prop_get(zs->zs_spa, &props), ==, 0); 4262fa9e4066Sahrens 4263b24ab676SJeff Bonwick if (zopt_verbose >= 6) 4264b24ab676SJeff Bonwick dump_nvlist(props, 4); 4265fa9e4066Sahrens 4266b24ab676SJeff Bonwick nvlist_free(props); 4267fa9e4066Sahrens 4268b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4269fa9e4066Sahrens } 4270fa9e4066Sahrens 42715c987a37SChris Kirby /* 42725c987a37SChris Kirby * Test snapshot hold/release and deferred destroy. 42735c987a37SChris Kirby */ 42745c987a37SChris Kirby void 4275b24ab676SJeff Bonwick ztest_dmu_snapshot_hold(ztest_ds_t *zd, uint64_t id) 42765c987a37SChris Kirby { 42775c987a37SChris Kirby int error; 4278b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 42795c987a37SChris Kirby objset_t *origin; 42805c987a37SChris Kirby char snapname[100]; 42815c987a37SChris Kirby char fullname[100]; 42825c987a37SChris Kirby char clonename[100]; 42835c987a37SChris Kirby char tag[100]; 42845c987a37SChris Kirby char osname[MAXNAMELEN]; 42855c987a37SChris Kirby 42865c987a37SChris Kirby (void) rw_rdlock(&ztest_shared->zs_name_lock); 42875c987a37SChris Kirby 42885c987a37SChris Kirby dmu_objset_name(os, osname); 42895c987a37SChris Kirby 4290b24ab676SJeff Bonwick (void) snprintf(snapname, 100, "sh1_%llu", id); 42915c987a37SChris Kirby (void) snprintf(fullname, 100, "%s@%s", osname, snapname); 4292b24ab676SJeff Bonwick (void) snprintf(clonename, 100, "%s/ch1_%llu", osname, id); 4293b24ab676SJeff Bonwick (void) snprintf(tag, 100, "%tag_%llu", id); 42945c987a37SChris Kirby 42955c987a37SChris Kirby /* 42965c987a37SChris Kirby * Clean up from any previous run. 42975c987a37SChris Kirby */ 42985c987a37SChris Kirby (void) dmu_objset_destroy(clonename, B_FALSE); 42995c987a37SChris Kirby (void) dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 43005c987a37SChris Kirby (void) dmu_objset_destroy(fullname, B_FALSE); 43015c987a37SChris Kirby 43025c987a37SChris Kirby /* 43035c987a37SChris Kirby * Create snapshot, clone it, mark snap for deferred destroy, 43045c987a37SChris Kirby * destroy clone, verify snap was also destroyed. 43055c987a37SChris Kirby */ 43065c987a37SChris Kirby error = dmu_objset_snapshot(osname, snapname, NULL, FALSE); 43075c987a37SChris Kirby if (error) { 43085c987a37SChris Kirby if (error == ENOSPC) { 43095c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 43105c987a37SChris Kirby goto out; 43115c987a37SChris Kirby } 43125c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 43135c987a37SChris Kirby } 43145c987a37SChris Kirby 43155c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 43165c987a37SChris Kirby if (error) 43175c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 43185c987a37SChris Kirby 43195c987a37SChris Kirby error = dmu_objset_clone(clonename, dmu_objset_ds(origin), 0); 43205c987a37SChris Kirby dmu_objset_rele(origin, FTAG); 43215c987a37SChris Kirby if (error) { 43225c987a37SChris Kirby if (error == ENOSPC) { 43235c987a37SChris Kirby ztest_record_enospc("dmu_objset_clone"); 43245c987a37SChris Kirby goto out; 43255c987a37SChris Kirby } 43265c987a37SChris Kirby fatal(0, "dmu_objset_clone(%s) = %d", clonename, error); 43275c987a37SChris Kirby } 43285c987a37SChris Kirby 43295c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 43305c987a37SChris Kirby if (error) { 43315c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 43325c987a37SChris Kirby fullname, error); 43335c987a37SChris Kirby } 43345c987a37SChris Kirby 43355c987a37SChris Kirby error = dmu_objset_destroy(clonename, B_FALSE); 43365c987a37SChris Kirby if (error) 43375c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s) = %d", clonename, error); 43385c987a37SChris Kirby 43395c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 43405c987a37SChris Kirby if (error != ENOENT) 43415c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 43425c987a37SChris Kirby 43435c987a37SChris Kirby /* 43445c987a37SChris Kirby * Create snapshot, add temporary hold, verify that we can't 43455c987a37SChris Kirby * destroy a held snapshot, mark for deferred destroy, 43465c987a37SChris Kirby * release hold, verify snapshot was destroyed. 43475c987a37SChris Kirby */ 43485c987a37SChris Kirby error = dmu_objset_snapshot(osname, snapname, NULL, FALSE); 43495c987a37SChris Kirby if (error) { 43505c987a37SChris Kirby if (error == ENOSPC) { 43515c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 43525c987a37SChris Kirby goto out; 43535c987a37SChris Kirby } 43545c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 43555c987a37SChris Kirby } 43565c987a37SChris Kirby 43575c987a37SChris Kirby error = dsl_dataset_user_hold(osname, snapname, tag, B_FALSE, B_TRUE); 43585c987a37SChris Kirby if (error) 43595c987a37SChris Kirby fatal(0, "dsl_dataset_user_hold(%s)", fullname, tag); 43605c987a37SChris Kirby 43615c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_FALSE); 43625c987a37SChris Kirby if (error != EBUSY) { 43635c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_FALSE) = %d", 43645c987a37SChris Kirby fullname, error); 43655c987a37SChris Kirby } 43665c987a37SChris Kirby 43675c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 43685c987a37SChris Kirby if (error) { 43695c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 43705c987a37SChris Kirby fullname, error); 43715c987a37SChris Kirby } 43725c987a37SChris Kirby 43735c987a37SChris Kirby error = dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 43745c987a37SChris Kirby if (error) 43755c987a37SChris Kirby fatal(0, "dsl_dataset_user_release(%s)", fullname, tag); 43765c987a37SChris Kirby 43775c987a37SChris Kirby VERIFY(dmu_objset_hold(fullname, FTAG, &origin) == ENOENT); 43785c987a37SChris Kirby 43795c987a37SChris Kirby out: 43805c987a37SChris Kirby (void) rw_unlock(&ztest_shared->zs_name_lock); 43815c987a37SChris Kirby } 43825c987a37SChris Kirby 4383fa9e4066Sahrens /* 4384fa9e4066Sahrens * Inject random faults into the on-disk data. 4385fa9e4066Sahrens */ 4386b24ab676SJeff Bonwick /* ARGSUSED */ 4387fa9e4066Sahrens void 4388b24ab676SJeff Bonwick ztest_fault_inject(ztest_ds_t *zd, uint64_t id) 4389fa9e4066Sahrens { 4390b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4391b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 4392fa9e4066Sahrens int fd; 4393fa9e4066Sahrens uint64_t offset; 43941195e687SMark J Musante uint64_t leaves; 4395fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 4396fa9e4066Sahrens uint64_t top, leaf; 4397fa9e4066Sahrens char path0[MAXPATHLEN]; 4398fa9e4066Sahrens char pathrand[MAXPATHLEN]; 4399fa9e4066Sahrens size_t fsize; 4400fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 4401fa9e4066Sahrens int iters = 1000; 44021195e687SMark J Musante int maxfaults; 44031195e687SMark J Musante int mirror_save; 4404e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 4405ea8dc4b6Seschrock uint64_t guid0 = 0; 44068f18d1faSGeorge Wilson boolean_t islog = B_FALSE; 4407ea8dc4b6Seschrock 44081195e687SMark J Musante VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 44091195e687SMark J Musante maxfaults = MAXFAULTS(); 44101195e687SMark J Musante leaves = MAX(zs->zs_mirrors, 1) * zopt_raidz; 44111195e687SMark J Musante mirror_save = zs->zs_mirrors; 44121195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 44131195e687SMark J Musante 4414e14bb325SJeff Bonwick ASSERT(leaves >= 1); 4415fa9e4066Sahrens 4416fa9e4066Sahrens /* 4417e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 4418fa9e4066Sahrens */ 4419e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 4420fa9e4066Sahrens 4421e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 4422e14bb325SJeff Bonwick /* 4423b24ab676SJeff Bonwick * Inject errors on a normal data device or slog device. 4424e14bb325SJeff Bonwick */ 4425b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 44261195e687SMark J Musante leaf = ztest_random(leaves) + zs->zs_splits; 4427fa9e4066Sahrens 4428e14bb325SJeff Bonwick /* 4429e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 4430e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 4431e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 4432e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 4433e14bb325SJeff Bonwick */ 4434e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 44351195e687SMark J Musante zopt_dir, zopt_pool, top * leaves + zs->zs_splits); 4436e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 4437e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 4438fa9e4066Sahrens 4439e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 44408f18d1faSGeorge Wilson if (vd0 != NULL && vd0->vdev_top->vdev_islog) 44418f18d1faSGeorge Wilson islog = B_TRUE; 44428f18d1faSGeorge Wilson 4443e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 4444e14bb325SJeff Bonwick /* 4445e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 4446e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 4447e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 4448e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 4449e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 4450e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 4451e14bb325SJeff Bonwick * combination of this with injection of random data 4452e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 4453e14bb325SJeff Bonwick */ 4454e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 4455e14bb325SJeff Bonwick 4456e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 4457e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 4458e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 4459e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 4460e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 4461e14bb325SJeff Bonwick } else { 4462e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 4463e14bb325SJeff Bonwick } 4464e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 4465e14bb325SJeff Bonwick } 4466e14bb325SJeff Bonwick } else { 4467e14bb325SJeff Bonwick /* 4468e14bb325SJeff Bonwick * Inject errors on an l2cache device. 4469e14bb325SJeff Bonwick */ 4470e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 4471fa9e4066Sahrens 4472e14bb325SJeff Bonwick if (sav->sav_count == 0) { 4473e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4474e14bb325SJeff Bonwick return; 4475e14bb325SJeff Bonwick } 4476e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 4477ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 4478e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 4479e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 4480e14bb325SJeff Bonwick 4481e14bb325SJeff Bonwick leaf = 0; 4482e14bb325SJeff Bonwick leaves = 1; 4483e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 4484fa9e4066Sahrens } 4485fa9e4066Sahrens 4486e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4487e14bb325SJeff Bonwick 4488fa9e4066Sahrens /* 44898f18d1faSGeorge Wilson * If we can tolerate two or more faults, or we're dealing 44908f18d1faSGeorge Wilson * with a slog, randomly online/offline vd0. 4491fa9e4066Sahrens */ 44928f18d1faSGeorge Wilson if ((maxfaults >= 2 || islog) && guid0 != 0) { 44938ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 44948ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 44958ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 44968f18d1faSGeorge Wilson 44978f18d1faSGeorge Wilson /* 44988f18d1faSGeorge Wilson * We have to grab the zs_name_lock as writer to 44998f18d1faSGeorge Wilson * prevent a race between offlining a slog and 45008f18d1faSGeorge Wilson * destroying a dataset. Offlining the slog will 45018f18d1faSGeorge Wilson * grab a reference on the dataset which may cause 45028f18d1faSGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 45038f18d1faSGeorge Wilson * leaving the dataset in an inconsistent state. 45048f18d1faSGeorge Wilson */ 45058f18d1faSGeorge Wilson if (islog) 45068f18d1faSGeorge Wilson (void) rw_wrlock(&ztest_shared->zs_name_lock); 45078f18d1faSGeorge Wilson 45088ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 45098f18d1faSGeorge Wilson 45108f18d1faSGeorge Wilson if (islog) 45118f18d1faSGeorge Wilson (void) rw_unlock(&ztest_shared->zs_name_lock); 45128ad4d6ddSJeff Bonwick } else { 45138ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 45148ad4d6ddSJeff Bonwick } 4515fa9e4066Sahrens } 4516fa9e4066Sahrens 45178f18d1faSGeorge Wilson if (maxfaults == 0) 45188f18d1faSGeorge Wilson return; 45198f18d1faSGeorge Wilson 4520fa9e4066Sahrens /* 4521ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 4522fa9e4066Sahrens */ 4523fa9e4066Sahrens fd = open(pathrand, O_RDWR); 4524fa9e4066Sahrens 4525fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 4526fa9e4066Sahrens return; 4527fa9e4066Sahrens 4528fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 4529fa9e4066Sahrens 4530fa9e4066Sahrens while (--iters != 0) { 4531fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 4532fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 4533fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 4534fa9e4066Sahrens 4535fa9e4066Sahrens if (offset >= fsize) 4536fa9e4066Sahrens continue; 4537fa9e4066Sahrens 45381195e687SMark J Musante VERIFY(mutex_lock(&zs->zs_vdev_lock) == 0); 45391195e687SMark J Musante if (mirror_save != zs->zs_mirrors) { 45401195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 45411195e687SMark J Musante (void) close(fd); 45421195e687SMark J Musante return; 45431195e687SMark J Musante } 4544fa9e4066Sahrens 4545fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 4546fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 4547fa9e4066Sahrens offset, pathrand); 45481195e687SMark J Musante 45491195e687SMark J Musante VERIFY(mutex_unlock(&zs->zs_vdev_lock) == 0); 45501195e687SMark J Musante 45511195e687SMark J Musante if (zopt_verbose >= 7) 45521195e687SMark J Musante (void) printf("injected bad word into %s," 45531195e687SMark J Musante " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 4554fa9e4066Sahrens } 4555fa9e4066Sahrens 4556fa9e4066Sahrens (void) close(fd); 4557fa9e4066Sahrens } 4558fa9e4066Sahrens 4559fa9e4066Sahrens /* 4560b24ab676SJeff Bonwick * Verify that DDT repair works as expected. 4561fa9e4066Sahrens */ 4562fa9e4066Sahrens void 4563b24ab676SJeff Bonwick ztest_ddt_repair(ztest_ds_t *zd, uint64_t id) 4564fa9e4066Sahrens { 4565b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4566b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 4567b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4568b24ab676SJeff Bonwick ztest_od_t od[1]; 4569b24ab676SJeff Bonwick uint64_t object, blocksize, txg, pattern, psize; 4570b24ab676SJeff Bonwick enum zio_checksum checksum = spa_dedup_checksum(spa); 4571b24ab676SJeff Bonwick dmu_buf_t *db; 4572b24ab676SJeff Bonwick dmu_tx_t *tx; 4573b24ab676SJeff Bonwick void *buf; 4574b24ab676SJeff Bonwick blkptr_t blk; 4575b24ab676SJeff Bonwick int copies = 2 * ZIO_DEDUPDITTO_MIN; 4576fa9e4066Sahrens 4577b24ab676SJeff Bonwick blocksize = ztest_random_blocksize(); 4578b24ab676SJeff Bonwick blocksize = MIN(blocksize, 2048); /* because we write so many */ 4579fa9e4066Sahrens 4580b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 4581fa9e4066Sahrens 4582b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4583b24ab676SJeff Bonwick return; 4584fa9e4066Sahrens 4585fa9e4066Sahrens /* 4586b24ab676SJeff Bonwick * Take the name lock as writer to prevent anyone else from changing 4587b24ab676SJeff Bonwick * the pool and dataset properies we need to maintain during this test. 4588fa9e4066Sahrens */ 4589b24ab676SJeff Bonwick (void) rw_wrlock(&zs->zs_name_lock); 4590fa9e4066Sahrens 4591b24ab676SJeff Bonwick if (ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_DEDUP, checksum, 4592b24ab676SJeff Bonwick B_FALSE) != 0 || 4593b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_COPIES, 1, 4594b24ab676SJeff Bonwick B_FALSE) != 0) { 4595b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4596b24ab676SJeff Bonwick return; 4597b24ab676SJeff Bonwick } 4598b24ab676SJeff Bonwick 4599b24ab676SJeff Bonwick object = od[0].od_object; 4600b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 4601b24ab676SJeff Bonwick pattern = spa_guid(spa) ^ dmu_objset_fsid_guid(os); 4602b24ab676SJeff Bonwick 4603b24ab676SJeff Bonwick ASSERT(object != 0); 4604b24ab676SJeff Bonwick 4605b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4606b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, 0, copies * blocksize); 4607b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 4608b24ab676SJeff Bonwick if (txg == 0) { 4609b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4610b24ab676SJeff Bonwick return; 4611b24ab676SJeff Bonwick } 4612fa9e4066Sahrens 4613fa9e4066Sahrens /* 4614b24ab676SJeff Bonwick * Write all the copies of our block. 4615fa9e4066Sahrens */ 4616b24ab676SJeff Bonwick for (int i = 0; i < copies; i++) { 4617b24ab676SJeff Bonwick uint64_t offset = i * blocksize; 461847cb52daSJeff Bonwick VERIFY(dmu_buf_hold(os, object, offset, FTAG, &db, 461947cb52daSJeff Bonwick DMU_READ_NO_PREFETCH) == 0); 4620b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 4621b24ab676SJeff Bonwick ASSERT(db->db_size == blocksize); 4622b24ab676SJeff Bonwick ASSERT(ztest_pattern_match(db->db_data, db->db_size, pattern) || 4623b24ab676SJeff Bonwick ztest_pattern_match(db->db_data, db->db_size, 0ULL)); 4624b24ab676SJeff Bonwick dmu_buf_will_fill(db, tx); 4625b24ab676SJeff Bonwick ztest_pattern_set(db->db_data, db->db_size, pattern); 4626b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4627b24ab676SJeff Bonwick } 4628fa9e4066Sahrens 4629b24ab676SJeff Bonwick dmu_tx_commit(tx); 4630b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), txg); 4631fa9e4066Sahrens 4632fa9e4066Sahrens /* 4633b24ab676SJeff Bonwick * Find out what block we got. 4634fa9e4066Sahrens */ 463547cb52daSJeff Bonwick VERIFY(dmu_buf_hold(os, object, 0, FTAG, &db, 463647cb52daSJeff Bonwick DMU_READ_NO_PREFETCH) == 0); 4637b24ab676SJeff Bonwick blk = *((dmu_buf_impl_t *)db)->db_blkptr; 4638b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4639fa9e4066Sahrens 4640fa9e4066Sahrens /* 4641b24ab676SJeff Bonwick * Damage the block. Dedup-ditto will save us when we read it later. 4642fa9e4066Sahrens */ 4643b24ab676SJeff Bonwick psize = BP_GET_PSIZE(&blk); 4644b24ab676SJeff Bonwick buf = zio_buf_alloc(psize); 4645b24ab676SJeff Bonwick ztest_pattern_set(buf, psize, ~pattern); 4646fa9e4066Sahrens 4647b24ab676SJeff Bonwick (void) zio_wait(zio_rewrite(NULL, spa, 0, &blk, 4648b24ab676SJeff Bonwick buf, psize, NULL, NULL, ZIO_PRIORITY_SYNC_WRITE, 4649b24ab676SJeff Bonwick ZIO_FLAG_CANFAIL | ZIO_FLAG_INDUCE_DAMAGE, NULL)); 4650fa9e4066Sahrens 4651b24ab676SJeff Bonwick zio_buf_free(buf, psize); 4652fa9e4066Sahrens 4653b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4654fa9e4066Sahrens } 4655fa9e4066Sahrens 4656fa9e4066Sahrens /* 4657b24ab676SJeff Bonwick * Scrub the pool. 4658fa9e4066Sahrens */ 4659b24ab676SJeff Bonwick /* ARGSUSED */ 4660b24ab676SJeff Bonwick void 4661b24ab676SJeff Bonwick ztest_scrub(ztest_ds_t *zd, uint64_t id) 4662fa9e4066Sahrens { 4663b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4664b24ab676SJeff Bonwick spa_t *spa = zs->zs_spa; 4665fa9e4066Sahrens 4666*3f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 4667b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); /* wait a moment, then force a restart */ 4668*3f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 4669b24ab676SJeff Bonwick } 4670fa9e4066Sahrens 4671b24ab676SJeff Bonwick /* 4672b24ab676SJeff Bonwick * Rename the pool to a different name and then rename it back. 4673b24ab676SJeff Bonwick */ 4674b24ab676SJeff Bonwick /* ARGSUSED */ 4675b24ab676SJeff Bonwick void 4676b24ab676SJeff Bonwick ztest_spa_rename(ztest_ds_t *zd, uint64_t id) 4677b24ab676SJeff Bonwick { 4678b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4679b24ab676SJeff Bonwick char *oldname, *newname; 4680b24ab676SJeff Bonwick spa_t *spa; 4681fa9e4066Sahrens 4682b24ab676SJeff Bonwick (void) rw_wrlock(&zs->zs_name_lock); 4683fa9e4066Sahrens 4684b24ab676SJeff Bonwick oldname = zs->zs_pool; 4685b24ab676SJeff Bonwick newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 4686b24ab676SJeff Bonwick (void) strcpy(newname, oldname); 4687b24ab676SJeff Bonwick (void) strcat(newname, "_tmp"); 4688fa9e4066Sahrens 4689fa9e4066Sahrens /* 4690b24ab676SJeff Bonwick * Do the rename 4691fa9e4066Sahrens */ 4692b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_rename(oldname, newname)); 4693fa9e4066Sahrens 4694fa9e4066Sahrens /* 4695b24ab676SJeff Bonwick * Try to open it under the old name, which shouldn't exist 4696fa9e4066Sahrens */ 4697b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 4698fa9e4066Sahrens 4699fa9e4066Sahrens /* 4700b24ab676SJeff Bonwick * Open it under the new name and make sure it's still the same spa_t. 4701fa9e4066Sahrens */ 4702b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 4703fa9e4066Sahrens 4704b24ab676SJeff Bonwick ASSERT(spa == zs->zs_spa); 4705b24ab676SJeff Bonwick spa_close(spa, FTAG); 4706fa9e4066Sahrens 4707b24ab676SJeff Bonwick /* 4708b24ab676SJeff Bonwick * Rename it back to the original 4709b24ab676SJeff Bonwick */ 4710b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_rename(newname, oldname)); 4711fa9e4066Sahrens 4712fa9e4066Sahrens /* 4713b24ab676SJeff Bonwick * Make sure it can still be opened 4714fa9e4066Sahrens */ 4715b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 4716fa9e4066Sahrens 4717b24ab676SJeff Bonwick ASSERT(spa == zs->zs_spa); 4718b24ab676SJeff Bonwick spa_close(spa, FTAG); 4719fa9e4066Sahrens 4720b24ab676SJeff Bonwick umem_free(newname, strlen(newname) + 1); 4721b24ab676SJeff Bonwick 4722b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 4723fa9e4066Sahrens } 4724fa9e4066Sahrens 4725b24ab676SJeff Bonwick /* 4726b24ab676SJeff Bonwick * Verify pool integrity by running zdb. 4727b24ab676SJeff Bonwick */ 4728fa9e4066Sahrens static void 4729b24ab676SJeff Bonwick ztest_run_zdb(char *pool) 4730fa9e4066Sahrens { 4731fa9e4066Sahrens int status; 4732fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 4733fa9e4066Sahrens char zbuf[1024]; 4734fa9e4066Sahrens char *bin; 47358654d025Sperrin char *ztest; 47368654d025Sperrin char *isa; 47378654d025Sperrin int isalen; 4738fa9e4066Sahrens FILE *fp; 4739fa9e4066Sahrens 4740fa9e4066Sahrens (void) realpath(getexecname(), zdb); 4741fa9e4066Sahrens 4742fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 4743fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 47448654d025Sperrin ztest = strstr(bin, "/ztest"); 47458654d025Sperrin isa = bin + 8; 47468654d025Sperrin isalen = ztest - isa; 47478654d025Sperrin isa = strdup(isa); 4748fa9e4066Sahrens /* LINTED */ 47493a57275aSck (void) sprintf(bin, 4750f0ba89beSJeff Bonwick "/usr/sbin%.*s/zdb -bcc%s%s -U %s %s", 47518654d025Sperrin isalen, 47528654d025Sperrin isa, 4753fa9e4066Sahrens zopt_verbose >= 3 ? "s" : "", 4754fa9e4066Sahrens zopt_verbose >= 4 ? "v" : "", 4755f0ba89beSJeff Bonwick spa_config_path, 475688b7b0f2SMatthew Ahrens pool); 47578654d025Sperrin free(isa); 4758fa9e4066Sahrens 4759fa9e4066Sahrens if (zopt_verbose >= 5) 4760fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 4761fa9e4066Sahrens 4762fa9e4066Sahrens fp = popen(zdb, "r"); 4763fa9e4066Sahrens 4764fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 4765fa9e4066Sahrens if (zopt_verbose >= 3) 4766fa9e4066Sahrens (void) printf("%s", zbuf); 4767fa9e4066Sahrens 4768fa9e4066Sahrens status = pclose(fp); 4769fa9e4066Sahrens 4770fa9e4066Sahrens if (status == 0) 4771fa9e4066Sahrens return; 4772fa9e4066Sahrens 4773fa9e4066Sahrens ztest_dump_core = 0; 4774fa9e4066Sahrens if (WIFEXITED(status)) 4775fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 4776fa9e4066Sahrens else 4777fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 4778fa9e4066Sahrens } 4779fa9e4066Sahrens 4780fa9e4066Sahrens static void 4781fa9e4066Sahrens ztest_walk_pool_directory(char *header) 4782fa9e4066Sahrens { 4783fa9e4066Sahrens spa_t *spa = NULL; 4784fa9e4066Sahrens 4785fa9e4066Sahrens if (zopt_verbose >= 6) 4786fa9e4066Sahrens (void) printf("%s\n", header); 4787fa9e4066Sahrens 4788fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 4789fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 4790fa9e4066Sahrens if (zopt_verbose >= 6) 4791fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 4792fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 4793fa9e4066Sahrens } 4794fa9e4066Sahrens 4795fa9e4066Sahrens static void 4796fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 4797fa9e4066Sahrens { 47988ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 4799fa9e4066Sahrens uint64_t pool_guid; 4800fa9e4066Sahrens spa_t *spa; 4801fa9e4066Sahrens 4802fa9e4066Sahrens if (zopt_verbose >= 4) { 4803fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 4804fa9e4066Sahrens oldname, newname); 4805fa9e4066Sahrens } 4806fa9e4066Sahrens 4807fa9e4066Sahrens /* 4808fa9e4066Sahrens * Clean up from previous runs. 4809fa9e4066Sahrens */ 4810fa9e4066Sahrens (void) spa_destroy(newname); 4811fa9e4066Sahrens 4812fa9e4066Sahrens /* 4813fa9e4066Sahrens * Get the pool's configuration and guid. 4814fa9e4066Sahrens */ 4815b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 4816fa9e4066Sahrens 48178ad4d6ddSJeff Bonwick /* 48188ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 48198ad4d6ddSJeff Bonwick */ 48208ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 4821*3f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 48228ad4d6ddSJeff Bonwick 4823fa9e4066Sahrens pool_guid = spa_guid(spa); 4824fa9e4066Sahrens spa_close(spa, FTAG); 4825fa9e4066Sahrens 4826fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 4827fa9e4066Sahrens 4828fa9e4066Sahrens /* 4829fa9e4066Sahrens * Export it. 4830fa9e4066Sahrens */ 4831b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_export(oldname, &config, B_FALSE, B_FALSE)); 4832fa9e4066Sahrens 4833fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 4834fa9e4066Sahrens 48358ad4d6ddSJeff Bonwick /* 48368ad4d6ddSJeff Bonwick * Try to import it. 48378ad4d6ddSJeff Bonwick */ 48388ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 48398ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 48408ad4d6ddSJeff Bonwick nvlist_free(newconfig); 48418ad4d6ddSJeff Bonwick 4842fa9e4066Sahrens /* 4843fa9e4066Sahrens * Import it under the new name. 4844fa9e4066Sahrens */ 4845b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_import(newname, config, NULL)); 4846fa9e4066Sahrens 4847fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 4848fa9e4066Sahrens 4849fa9e4066Sahrens /* 4850fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 4851fa9e4066Sahrens */ 4852b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, spa_import(newname, config, NULL)); 4853fa9e4066Sahrens 4854fa9e4066Sahrens /* 4855fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 4856fa9e4066Sahrens */ 4857b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, spa_import(oldname, config, NULL)); 4858fa9e4066Sahrens 4859fa9e4066Sahrens /* 4860fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 4861fa9e4066Sahrens */ 4862b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 4863fa9e4066Sahrens 4864fa9e4066Sahrens /* 4865fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 4866fa9e4066Sahrens */ 4867b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 4868fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 4869fa9e4066Sahrens spa_close(spa, FTAG); 4870fa9e4066Sahrens 4871fa9e4066Sahrens nvlist_free(config); 4872fa9e4066Sahrens } 4873fa9e4066Sahrens 48748ad4d6ddSJeff Bonwick static void 48758ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 48768ad4d6ddSJeff Bonwick { 4877b24ab676SJeff Bonwick if (spa_suspended(spa) && zopt_verbose >= 6) 4878b24ab676SJeff Bonwick (void) printf("resuming from suspended state\n"); 4879b24ab676SJeff Bonwick spa_vdev_state_enter(spa, SCL_NONE); 4880b24ab676SJeff Bonwick vdev_clear(spa, NULL); 4881b24ab676SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 4882b24ab676SJeff Bonwick (void) zio_resume(spa); 48838ad4d6ddSJeff Bonwick } 48848ad4d6ddSJeff Bonwick 48850a4e9518Sgw static void * 48868ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 48870a4e9518Sgw { 4888e14bb325SJeff Bonwick spa_t *spa = arg; 48890a4e9518Sgw 48900a4e9518Sgw while (!ztest_exiting) { 4891b24ab676SJeff Bonwick if (spa_suspended(spa)) 4892b24ab676SJeff Bonwick ztest_resume(spa); 4893b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 48940a4e9518Sgw } 48950a4e9518Sgw return (NULL); 48960a4e9518Sgw } 48970a4e9518Sgw 4898b24ab676SJeff Bonwick static void * 4899b24ab676SJeff Bonwick ztest_deadman_thread(void *arg) 4900b24ab676SJeff Bonwick { 4901b24ab676SJeff Bonwick ztest_shared_t *zs = arg; 4902b24ab676SJeff Bonwick int grace = 300; 4903b24ab676SJeff Bonwick hrtime_t delta; 4904b24ab676SJeff Bonwick 4905b24ab676SJeff Bonwick delta = (zs->zs_thread_stop - zs->zs_thread_start) / NANOSEC + grace; 4906b24ab676SJeff Bonwick 4907b24ab676SJeff Bonwick (void) poll(NULL, 0, (int)(1000 * delta)); 4908b24ab676SJeff Bonwick 4909b24ab676SJeff Bonwick fatal(0, "failed to complete within %d seconds of deadline", grace); 4910b24ab676SJeff Bonwick 4911b24ab676SJeff Bonwick return (NULL); 4912b24ab676SJeff Bonwick } 4913b24ab676SJeff Bonwick 4914b24ab676SJeff Bonwick static void 4915b24ab676SJeff Bonwick ztest_execute(ztest_info_t *zi, uint64_t id) 4916b24ab676SJeff Bonwick { 4917b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4918b24ab676SJeff Bonwick ztest_ds_t *zd = &zs->zs_zd[id % zopt_datasets]; 4919b24ab676SJeff Bonwick hrtime_t functime = gethrtime(); 4920b24ab676SJeff Bonwick 4921b24ab676SJeff Bonwick for (int i = 0; i < zi->zi_iters; i++) 4922b24ab676SJeff Bonwick zi->zi_func(zd, id); 4923b24ab676SJeff Bonwick 4924b24ab676SJeff Bonwick functime = gethrtime() - functime; 4925b24ab676SJeff Bonwick 4926b24ab676SJeff Bonwick atomic_add_64(&zi->zi_call_count, 1); 4927b24ab676SJeff Bonwick atomic_add_64(&zi->zi_call_time, functime); 4928b24ab676SJeff Bonwick 4929b24ab676SJeff Bonwick if (zopt_verbose >= 4) { 4930b24ab676SJeff Bonwick Dl_info dli; 4931b24ab676SJeff Bonwick (void) dladdr((void *)zi->zi_func, &dli); 4932b24ab676SJeff Bonwick (void) printf("%6.2f sec in %s\n", 4933b24ab676SJeff Bonwick (double)functime / NANOSEC, dli.dli_sname); 4934b24ab676SJeff Bonwick } 4935b24ab676SJeff Bonwick } 4936b24ab676SJeff Bonwick 4937fa9e4066Sahrens static void * 4938fa9e4066Sahrens ztest_thread(void *arg) 4939fa9e4066Sahrens { 4940b24ab676SJeff Bonwick uint64_t id = (uintptr_t)arg; 4941fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 4942b24ab676SJeff Bonwick uint64_t call_next; 4943b24ab676SJeff Bonwick hrtime_t now; 4944fa9e4066Sahrens ztest_info_t *zi; 4945fa9e4066Sahrens 4946b24ab676SJeff Bonwick while ((now = gethrtime()) < zs->zs_thread_stop) { 4947fa9e4066Sahrens /* 4948fa9e4066Sahrens * See if it's time to force a crash. 4949fa9e4066Sahrens */ 4950b24ab676SJeff Bonwick if (now > zs->zs_thread_kill) 4951b24ab676SJeff Bonwick ztest_kill(zs); 4952fa9e4066Sahrens 4953fa9e4066Sahrens /* 4954b24ab676SJeff Bonwick * If we're getting ENOSPC with some regularity, stop. 4955fa9e4066Sahrens */ 4956b24ab676SJeff Bonwick if (zs->zs_enospc_count > 10) 4957b24ab676SJeff Bonwick break; 4958fa9e4066Sahrens 4959fa9e4066Sahrens /* 4960b24ab676SJeff Bonwick * Pick a random function to execute. 4961fa9e4066Sahrens */ 4962b24ab676SJeff Bonwick zi = &zs->zs_info[ztest_random(ZTEST_FUNCS)]; 4963b24ab676SJeff Bonwick call_next = zi->zi_call_next; 4964b24ab676SJeff Bonwick 4965b24ab676SJeff Bonwick if (now >= call_next && 4966b24ab676SJeff Bonwick atomic_cas_64(&zi->zi_call_next, call_next, call_next + 4967b24ab676SJeff Bonwick ztest_random(2 * zi->zi_interval[0] + 1)) == call_next) 4968b24ab676SJeff Bonwick ztest_execute(zi, id); 4969b24ab676SJeff Bonwick } 4970fa9e4066Sahrens 4971b24ab676SJeff Bonwick return (NULL); 4972b24ab676SJeff Bonwick } 4973fa9e4066Sahrens 4974b24ab676SJeff Bonwick static void 4975b24ab676SJeff Bonwick ztest_dataset_name(char *dsname, char *pool, int d) 4976b24ab676SJeff Bonwick { 4977b24ab676SJeff Bonwick (void) snprintf(dsname, MAXNAMELEN, "%s/ds_%d", pool, d); 4978b24ab676SJeff Bonwick } 4979fa9e4066Sahrens 4980b24ab676SJeff Bonwick static void 4981b24ab676SJeff Bonwick ztest_dataset_destroy(ztest_shared_t *zs, int d) 4982b24ab676SJeff Bonwick { 4983b24ab676SJeff Bonwick char name[MAXNAMELEN]; 4984fa9e4066Sahrens 4985b24ab676SJeff Bonwick ztest_dataset_name(name, zs->zs_pool, d); 4986fa9e4066Sahrens 4987b24ab676SJeff Bonwick if (zopt_verbose >= 3) 4988b24ab676SJeff Bonwick (void) printf("Destroying %s to free up space\n", name); 4989fa9e4066Sahrens 4990b24ab676SJeff Bonwick /* 4991b24ab676SJeff Bonwick * Cleanup any non-standard clones and snapshots. In general, 4992b24ab676SJeff Bonwick * ztest thread t operates on dataset (t % zopt_datasets), 4993b24ab676SJeff Bonwick * so there may be more than one thing to clean up. 4994b24ab676SJeff Bonwick */ 4995b24ab676SJeff Bonwick for (int t = d; t < zopt_threads; t += zopt_datasets) 4996b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(name, t); 4997fa9e4066Sahrens 4998b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 4999b24ab676SJeff Bonwick DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 5000b24ab676SJeff Bonwick } 5001b24ab676SJeff Bonwick 5002b24ab676SJeff Bonwick static void 5003b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(ztest_ds_t *zd) 5004b24ab676SJeff Bonwick { 5005b24ab676SJeff Bonwick uint64_t usedobjs, dirobjs, scratch; 5006b24ab676SJeff Bonwick 5007b24ab676SJeff Bonwick /* 5008b24ab676SJeff Bonwick * ZTEST_DIROBJ is the object directory for the entire dataset. 5009b24ab676SJeff Bonwick * Therefore, the number of objects in use should equal the 5010b24ab676SJeff Bonwick * number of ZTEST_DIROBJ entries, +1 for ZTEST_DIROBJ itself. 5011b24ab676SJeff Bonwick * If not, we have an object leak. 5012b24ab676SJeff Bonwick * 5013b24ab676SJeff Bonwick * Note that we can only check this in ztest_dataset_open(), 5014b24ab676SJeff Bonwick * when the open-context and syncing-context values agree. 5015b24ab676SJeff Bonwick * That's because zap_count() returns the open-context value, 5016b24ab676SJeff Bonwick * while dmu_objset_space() returns the rootbp fill count. 5017b24ab676SJeff Bonwick */ 5018b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_count(zd->zd_os, ZTEST_DIROBJ, &dirobjs)); 5019b24ab676SJeff Bonwick dmu_objset_space(zd->zd_os, &scratch, &scratch, &usedobjs, &scratch); 5020b24ab676SJeff Bonwick ASSERT3U(dirobjs + 1, ==, usedobjs); 5021b24ab676SJeff Bonwick } 5022b24ab676SJeff Bonwick 5023b24ab676SJeff Bonwick static int 5024b24ab676SJeff Bonwick ztest_dataset_open(ztest_shared_t *zs, int d) 5025b24ab676SJeff Bonwick { 5026b24ab676SJeff Bonwick ztest_ds_t *zd = &zs->zs_zd[d]; 5027b24ab676SJeff Bonwick uint64_t committed_seq = zd->zd_seq; 5028b24ab676SJeff Bonwick objset_t *os; 5029b24ab676SJeff Bonwick zilog_t *zilog; 5030b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5031b24ab676SJeff Bonwick int error; 5032b24ab676SJeff Bonwick 5033b24ab676SJeff Bonwick ztest_dataset_name(name, zs->zs_pool, d); 5034b24ab676SJeff Bonwick 5035b24ab676SJeff Bonwick (void) rw_rdlock(&zs->zs_name_lock); 5036b24ab676SJeff Bonwick 503755da60b9SMark J Musante error = ztest_dataset_create(name); 5038b24ab676SJeff Bonwick if (error == ENOSPC) { 5039b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 5040b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 5041b24ab676SJeff Bonwick return (error); 5042fa9e4066Sahrens } 5043b24ab676SJeff Bonwick ASSERT(error == 0 || error == EEXIST); 5044fa9e4066Sahrens 5045b24ab676SJeff Bonwick VERIFY3U(dmu_objset_hold(name, zd, &os), ==, 0); 5046b24ab676SJeff Bonwick (void) rw_unlock(&zs->zs_name_lock); 5047b24ab676SJeff Bonwick 5048b24ab676SJeff Bonwick ztest_zd_init(zd, os); 5049b24ab676SJeff Bonwick 5050b24ab676SJeff Bonwick zilog = zd->zd_zilog; 5051b24ab676SJeff Bonwick 5052b24ab676SJeff Bonwick if (zilog->zl_header->zh_claim_lr_seq != 0 && 5053b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq < committed_seq) 5054b24ab676SJeff Bonwick fatal(0, "missing log records: claimed %llu < committed %llu", 5055b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq, committed_seq); 5056b24ab676SJeff Bonwick 5057b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5058b24ab676SJeff Bonwick 5059b24ab676SJeff Bonwick zil_replay(os, zd, ztest_replay_vector); 5060b24ab676SJeff Bonwick 5061b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5062b24ab676SJeff Bonwick 5063b24ab676SJeff Bonwick if (zopt_verbose >= 6) 5064b24ab676SJeff Bonwick (void) printf("%s replay %llu blocks, %llu records, seq %llu\n", 5065b24ab676SJeff Bonwick zd->zd_name, 5066b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_blk_count, 5067b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_lr_count, 5068b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_replaying_seq); 5069b24ab676SJeff Bonwick 5070b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 5071b24ab676SJeff Bonwick 5072b24ab676SJeff Bonwick if (zilog->zl_replaying_seq != 0 && 5073b24ab676SJeff Bonwick zilog->zl_replaying_seq < committed_seq) 5074b24ab676SJeff Bonwick fatal(0, "missing log records: replayed %llu < committed %llu", 5075b24ab676SJeff Bonwick zilog->zl_replaying_seq, committed_seq); 5076b24ab676SJeff Bonwick 5077b24ab676SJeff Bonwick return (0); 5078b24ab676SJeff Bonwick } 5079b24ab676SJeff Bonwick 5080b24ab676SJeff Bonwick static void 5081b24ab676SJeff Bonwick ztest_dataset_close(ztest_shared_t *zs, int d) 5082b24ab676SJeff Bonwick { 5083b24ab676SJeff Bonwick ztest_ds_t *zd = &zs->zs_zd[d]; 5084b24ab676SJeff Bonwick 5085b24ab676SJeff Bonwick zil_close(zd->zd_zilog); 5086b24ab676SJeff Bonwick dmu_objset_rele(zd->zd_os, zd); 5087b24ab676SJeff Bonwick 5088b24ab676SJeff Bonwick ztest_zd_fini(zd); 5089fa9e4066Sahrens } 5090fa9e4066Sahrens 5091fa9e4066Sahrens /* 5092fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 5093fa9e4066Sahrens */ 5094fa9e4066Sahrens static void 5095b24ab676SJeff Bonwick ztest_run(ztest_shared_t *zs) 5096fa9e4066Sahrens { 5097b24ab676SJeff Bonwick thread_t *tid; 5098fa9e4066Sahrens spa_t *spa; 5099e14bb325SJeff Bonwick thread_t resume_tid; 5100b24ab676SJeff Bonwick int error; 5101e14bb325SJeff Bonwick 5102e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 5103fa9e4066Sahrens 5104fa9e4066Sahrens /* 5105b24ab676SJeff Bonwick * Initialize parent/child shared state. 5106fa9e4066Sahrens */ 5107b24ab676SJeff Bonwick VERIFY(_mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL) == 0); 5108b24ab676SJeff Bonwick VERIFY(rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL) == 0); 5109fa9e4066Sahrens 5110b24ab676SJeff Bonwick zs->zs_thread_start = gethrtime(); 5111b24ab676SJeff Bonwick zs->zs_thread_stop = zs->zs_thread_start + zopt_passtime * NANOSEC; 5112b24ab676SJeff Bonwick zs->zs_thread_stop = MIN(zs->zs_thread_stop, zs->zs_proc_stop); 5113b24ab676SJeff Bonwick zs->zs_thread_kill = zs->zs_thread_stop; 5114b24ab676SJeff Bonwick if (ztest_random(100) < zopt_killrate) 5115b24ab676SJeff Bonwick zs->zs_thread_kill -= ztest_random(zopt_passtime * NANOSEC); 5116fa9e4066Sahrens 5117b24ab676SJeff Bonwick (void) _mutex_init(&zcl.zcl_callbacks_lock, USYNC_THREAD, NULL); 5118fa9e4066Sahrens 5119b24ab676SJeff Bonwick list_create(&zcl.zcl_callbacks, sizeof (ztest_cb_data_t), 5120b24ab676SJeff Bonwick offsetof(ztest_cb_data_t, zcd_node)); 5121fa9e4066Sahrens 51220a4e9518Sgw /* 5123e14bb325SJeff Bonwick * Open our pool. 51240a4e9518Sgw */ 5125b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5126b24ab676SJeff Bonwick VERIFY(spa_open(zs->zs_pool, &spa, FTAG) == 0); 5127b24ab676SJeff Bonwick zs->zs_spa = spa; 5128b24ab676SJeff Bonwick 5129b24ab676SJeff Bonwick spa->spa_dedup_ditto = 2 * ZIO_DEDUPDITTO_MIN; 51300a4e9518Sgw 51318ad4d6ddSJeff Bonwick /* 51328ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 51338ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 51348ad4d6ddSJeff Bonwick * the only valid replica. 51358ad4d6ddSJeff Bonwick */ 51361195e687SMark J Musante if (MAXFAULTS() == 0) 51378ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 51388ad4d6ddSJeff Bonwick else 51398ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 51408ad4d6ddSJeff Bonwick 5141fa9e4066Sahrens /* 5142e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 5143fa9e4066Sahrens */ 51448ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 5145e14bb325SJeff Bonwick &resume_tid) == 0); 5146fa9e4066Sahrens 5147b24ab676SJeff Bonwick /* 5148b24ab676SJeff Bonwick * Create a deadman thread to abort() if we hang. 5149b24ab676SJeff Bonwick */ 5150b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_deadman_thread, zs, THR_BOUND, 5151b24ab676SJeff Bonwick NULL) == 0); 5152b24ab676SJeff Bonwick 5153fa9e4066Sahrens /* 5154fa9e4066Sahrens * Verify that we can safely inquire about about any object, 5155fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 5156fa9e4066Sahrens * we probe a 5-wide window around each power of two. 5157fa9e4066Sahrens * This hits all edge cases, including zero and the max. 5158fa9e4066Sahrens */ 5159b24ab676SJeff Bonwick for (int t = 0; t < 64; t++) { 5160b24ab676SJeff Bonwick for (int d = -5; d <= 5; d++) { 5161fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 5162fa9e4066Sahrens (1ULL << t) + d, NULL); 5163ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 5164ea8dc4b6Seschrock error == EINVAL); 5165fa9e4066Sahrens } 5166fa9e4066Sahrens } 5167fa9e4066Sahrens 5168fa9e4066Sahrens /* 5169b24ab676SJeff Bonwick * If we got any ENOSPC errors on the previous run, destroy something. 5170fa9e4066Sahrens */ 5171b24ab676SJeff Bonwick if (zs->zs_enospc_count != 0) { 5172b24ab676SJeff Bonwick int d = ztest_random(zopt_datasets); 5173b24ab676SJeff Bonwick ztest_dataset_destroy(zs, d); 5174b24ab676SJeff Bonwick } 5175fa9e4066Sahrens zs->zs_enospc_count = 0; 5176fa9e4066Sahrens 5177b24ab676SJeff Bonwick tid = umem_zalloc(zopt_threads * sizeof (thread_t), UMEM_NOFAIL); 5178fa9e4066Sahrens 5179fa9e4066Sahrens if (zopt_verbose >= 4) 5180fa9e4066Sahrens (void) printf("starting main threads...\n"); 5181fa9e4066Sahrens 5182b24ab676SJeff Bonwick /* 5183b24ab676SJeff Bonwick * Kick off all the tests that run in parallel. 5184b24ab676SJeff Bonwick */ 5185b24ab676SJeff Bonwick for (int t = 0; t < zopt_threads; t++) { 5186b24ab676SJeff Bonwick if (t < zopt_datasets && ztest_dataset_open(zs, t) != 0) 5187b24ab676SJeff Bonwick return; 5188b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, (void *)(uintptr_t)t, 5189b24ab676SJeff Bonwick THR_BOUND, &tid[t]) == 0); 5190fa9e4066Sahrens } 5191fa9e4066Sahrens 5192b24ab676SJeff Bonwick /* 5193b24ab676SJeff Bonwick * Wait for all of the tests to complete. We go in reverse order 5194b24ab676SJeff Bonwick * so we don't close datasets while threads are still using them. 5195b24ab676SJeff Bonwick */ 5196b24ab676SJeff Bonwick for (int t = zopt_threads - 1; t >= 0; t--) { 5197b24ab676SJeff Bonwick VERIFY(thr_join(tid[t], NULL, NULL) == 0); 5198b24ab676SJeff Bonwick if (t < zopt_datasets) 5199b24ab676SJeff Bonwick ztest_dataset_close(zs, t); 5200fa9e4066Sahrens } 5201fa9e4066Sahrens 5202fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 5203fa9e4066Sahrens 5204b24ab676SJeff Bonwick zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 5205b24ab676SJeff Bonwick zs->zs_space = metaslab_class_get_space(spa_normal_class(spa)); 5206b24ab676SJeff Bonwick 5207b24ab676SJeff Bonwick umem_free(tid, zopt_threads * sizeof (thread_t)); 5208b24ab676SJeff Bonwick 5209b24ab676SJeff Bonwick /* Kill the resume thread */ 5210b24ab676SJeff Bonwick ztest_exiting = B_TRUE; 5211b24ab676SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 5212b24ab676SJeff Bonwick ztest_resume(spa); 5213b24ab676SJeff Bonwick 5214b24ab676SJeff Bonwick /* 5215b24ab676SJeff Bonwick * Right before closing the pool, kick off a bunch of async I/O; 5216b24ab676SJeff Bonwick * spa_close() should wait for it to complete. 5217b24ab676SJeff Bonwick */ 5218b24ab676SJeff Bonwick for (uint64_t object = 1; object < 50; object++) 5219b24ab676SJeff Bonwick dmu_prefetch(spa->spa_meta_objset, object, 0, 1ULL << 20); 5220b24ab676SJeff Bonwick 5221b24ab676SJeff Bonwick spa_close(spa, FTAG); 5222fa9e4066Sahrens 5223fa9e4066Sahrens /* 5224b24ab676SJeff Bonwick * Verify that we can loop over all pools. 5225fa9e4066Sahrens */ 5226b24ab676SJeff Bonwick mutex_enter(&spa_namespace_lock); 5227b24ab676SJeff Bonwick for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) 5228b24ab676SJeff Bonwick if (zopt_verbose > 3) 5229b24ab676SJeff Bonwick (void) printf("spa_next: found %s\n", spa_name(spa)); 5230b24ab676SJeff Bonwick mutex_exit(&spa_namespace_lock); 5231b24ab676SJeff Bonwick 5232b24ab676SJeff Bonwick /* 5233b24ab676SJeff Bonwick * Verify that we can export the pool and reimport it under a 5234b24ab676SJeff Bonwick * different name. 5235b24ab676SJeff Bonwick */ 5236b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 5237b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5238b24ab676SJeff Bonwick (void) snprintf(name, MAXNAMELEN, "%s_import", zs->zs_pool); 5239b24ab676SJeff Bonwick ztest_spa_import_export(zs->zs_pool, name); 5240b24ab676SJeff Bonwick ztest_spa_import_export(name, zs->zs_pool); 5241b24ab676SJeff Bonwick } 5242b24ab676SJeff Bonwick 5243b24ab676SJeff Bonwick kernel_fini(); 5244b24ab676SJeff Bonwick } 5245b24ab676SJeff Bonwick 5246b24ab676SJeff Bonwick static void 5247b24ab676SJeff Bonwick ztest_freeze(ztest_shared_t *zs) 5248b24ab676SJeff Bonwick { 5249b24ab676SJeff Bonwick ztest_ds_t *zd = &zs->zs_zd[0]; 5250b24ab676SJeff Bonwick spa_t *spa; 52512215e990SMark J Musante int numloops = 0; 5252b24ab676SJeff Bonwick 5253b24ab676SJeff Bonwick if (zopt_verbose >= 3) 5254b24ab676SJeff Bonwick (void) printf("testing spa_freeze()...\n"); 5255718d718aSGeorge Wilson 5256b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5257b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(zs->zs_pool, &spa, FTAG)); 5258b24ab676SJeff Bonwick VERIFY3U(0, ==, ztest_dataset_open(zs, 0)); 5259718d718aSGeorge Wilson 5260b24ab676SJeff Bonwick /* 5261b24ab676SJeff Bonwick * Force the first log block to be transactionally allocated. 5262b24ab676SJeff Bonwick * We have to do this before we freeze the pool -- otherwise 5263b24ab676SJeff Bonwick * the log chain won't be anchored. 5264b24ab676SJeff Bonwick */ 5265b24ab676SJeff Bonwick while (BP_IS_HOLE(&zd->zd_zilog->zl_header->zh_log)) { 5266b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 5267b24ab676SJeff Bonwick zil_commit(zd->zd_zilog, UINT64_MAX, 0); 5268fa9e4066Sahrens } 5269fa9e4066Sahrens 5270ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 5271fa9e4066Sahrens 5272b24ab676SJeff Bonwick /* 5273b24ab676SJeff Bonwick * Freeze the pool. This stops spa_sync() from doing anything, 5274b24ab676SJeff Bonwick * so that the only way to record changes from now on is the ZIL. 5275b24ab676SJeff Bonwick */ 5276b24ab676SJeff Bonwick spa_freeze(spa); 5277e14bb325SJeff Bonwick 5278b24ab676SJeff Bonwick /* 5279b24ab676SJeff Bonwick * Run tests that generate log records but don't alter the pool config 5280b24ab676SJeff Bonwick * or depend on DSL sync tasks (snapshots, objset create/destroy, etc). 5281b24ab676SJeff Bonwick * We do a txg_wait_synced() after each iteration to force the txg 5282b24ab676SJeff Bonwick * to increase well beyond the last synced value in the uberblock. 5283b24ab676SJeff Bonwick * The ZIL should be OK with that. 5284b24ab676SJeff Bonwick */ 52852215e990SMark J Musante while (ztest_random(10) != 0 && numloops++ < zopt_maxloops) { 5286b24ab676SJeff Bonwick ztest_dmu_write_parallel(zd, 0); 5287b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 5288b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5289b24ab676SJeff Bonwick } 5290e14bb325SJeff Bonwick 5291fa9e4066Sahrens /* 5292b24ab676SJeff Bonwick * Commit all of the changes we just generated. 5293fa9e4066Sahrens */ 5294b24ab676SJeff Bonwick zil_commit(zd->zd_zilog, UINT64_MAX, 0); 5295b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5296fa9e4066Sahrens 5297b24ab676SJeff Bonwick /* 5298b24ab676SJeff Bonwick * Close our dataset and close the pool. 5299b24ab676SJeff Bonwick */ 5300b24ab676SJeff Bonwick ztest_dataset_close(zs, 0); 5301e05725b1Sbonwick spa_close(spa, FTAG); 5302b24ab676SJeff Bonwick kernel_fini(); 5303e05725b1Sbonwick 5304b24ab676SJeff Bonwick /* 5305b24ab676SJeff Bonwick * Open and close the pool and dataset to induce log replay. 5306b24ab676SJeff Bonwick */ 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)); 5310b24ab676SJeff Bonwick ztest_dataset_close(zs, 0); 5311b24ab676SJeff Bonwick spa_close(spa, FTAG); 5312fa9e4066Sahrens kernel_fini(); 5313d20e665cSRicardo M. Correia 5314d20e665cSRicardo M. Correia list_destroy(&zcl.zcl_callbacks); 5315d20e665cSRicardo M. Correia 5316d20e665cSRicardo M. Correia (void) _mutex_destroy(&zcl.zcl_callbacks_lock); 5317d20e665cSRicardo M. Correia 5318d20e665cSRicardo M. Correia (void) rwlock_destroy(&zs->zs_name_lock); 5319d20e665cSRicardo M. Correia (void) _mutex_destroy(&zs->zs_vdev_lock); 5320fa9e4066Sahrens } 5321fa9e4066Sahrens 5322fa9e4066Sahrens void 5323fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 5324fa9e4066Sahrens { 5325fa9e4066Sahrens hrtime_t s = t / NANOSEC; 5326fa9e4066Sahrens hrtime_t m = s / 60; 5327fa9e4066Sahrens hrtime_t h = m / 60; 5328fa9e4066Sahrens hrtime_t d = h / 24; 5329fa9e4066Sahrens 5330fa9e4066Sahrens s -= m * 60; 5331fa9e4066Sahrens m -= h * 60; 5332fa9e4066Sahrens h -= d * 24; 5333fa9e4066Sahrens 5334fa9e4066Sahrens timebuf[0] = '\0'; 5335fa9e4066Sahrens 5336fa9e4066Sahrens if (d) 5337fa9e4066Sahrens (void) sprintf(timebuf, 5338fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 5339fa9e4066Sahrens else if (h) 5340fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 5341fa9e4066Sahrens else if (m) 5342fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 5343fa9e4066Sahrens else 5344fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 5345fa9e4066Sahrens } 5346fa9e4066Sahrens 53471195e687SMark J Musante static nvlist_t * 53481195e687SMark J Musante make_random_props() 53491195e687SMark J Musante { 53501195e687SMark J Musante nvlist_t *props; 53511195e687SMark J Musante 53521195e687SMark J Musante if (ztest_random(2) == 0) 53531195e687SMark J Musante return (NULL); 53541195e687SMark J Musante 53551195e687SMark J Musante VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 53561195e687SMark J Musante VERIFY(nvlist_add_uint64(props, "autoreplace", 1) == 0); 53571195e687SMark J Musante 53581195e687SMark J Musante (void) printf("props:\n"); 53591195e687SMark J Musante dump_nvlist(props, 4); 53601195e687SMark J Musante 53611195e687SMark J Musante return (props); 53621195e687SMark J Musante } 53631195e687SMark J Musante 5364fa9e4066Sahrens /* 5365fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 5366b24ab676SJeff Bonwick * Then test spa_freeze() functionality. 5367fa9e4066Sahrens */ 5368fa9e4066Sahrens static void 5369b24ab676SJeff Bonwick ztest_init(ztest_shared_t *zs) 5370fa9e4066Sahrens { 5371fa9e4066Sahrens spa_t *spa; 53721195e687SMark J Musante nvlist_t *nvroot, *props; 5373fa9e4066Sahrens 5374b24ab676SJeff Bonwick VERIFY(_mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL) == 0); 5375b24ab676SJeff Bonwick VERIFY(rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL) == 0); 5376b24ab676SJeff Bonwick 5377fa9e4066Sahrens kernel_init(FREAD | FWRITE); 5378fa9e4066Sahrens 5379fa9e4066Sahrens /* 5380fa9e4066Sahrens * Create the storage pool. 5381fa9e4066Sahrens */ 5382b24ab676SJeff Bonwick (void) spa_destroy(zs->zs_pool); 538388ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = 0; 53841195e687SMark J Musante zs->zs_splits = 0; 53851195e687SMark J Musante zs->zs_mirrors = zopt_mirrors; 5386e14bb325SJeff Bonwick nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 53871195e687SMark J Musante 0, zopt_raidz, zs->zs_mirrors, 1); 53881195e687SMark J Musante props = make_random_props(); 53891195e687SMark J Musante VERIFY3U(0, ==, spa_create(zs->zs_pool, nvroot, props, NULL, NULL)); 5390fa9e4066Sahrens nvlist_free(nvroot); 5391fa9e4066Sahrens 5392b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(zs->zs_pool, &spa, FTAG)); 5393d6e555bdSGeorge Wilson metaslab_sz = 1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift; 5394fa9e4066Sahrens spa_close(spa, FTAG); 5395fa9e4066Sahrens 5396fa9e4066Sahrens kernel_fini(); 5397b24ab676SJeff Bonwick 5398b24ab676SJeff Bonwick ztest_run_zdb(zs->zs_pool); 5399b24ab676SJeff Bonwick 5400b24ab676SJeff Bonwick ztest_freeze(zs); 5401b24ab676SJeff Bonwick 5402b24ab676SJeff Bonwick ztest_run_zdb(zs->zs_pool); 5403fa9e4066Sahrens } 5404fa9e4066Sahrens 5405fa9e4066Sahrens int 5406fa9e4066Sahrens main(int argc, char **argv) 5407fa9e4066Sahrens { 5408fa9e4066Sahrens int kills = 0; 5409fa9e4066Sahrens int iters = 0; 5410fa9e4066Sahrens ztest_shared_t *zs; 5411b24ab676SJeff Bonwick size_t shared_size; 5412fa9e4066Sahrens ztest_info_t *zi; 5413fa9e4066Sahrens char timebuf[100]; 5414fa9e4066Sahrens char numbuf[6]; 5415b24ab676SJeff Bonwick spa_t *spa; 5416fa9e4066Sahrens 5417fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 5418fa9e4066Sahrens 5419fa9e4066Sahrens ztest_random_fd = open("/dev/urandom", O_RDONLY); 5420fa9e4066Sahrens 5421fa9e4066Sahrens process_options(argc, argv); 5422fa9e4066Sahrens 5423f0ba89beSJeff Bonwick /* Override location of zpool.cache */ 5424f0ba89beSJeff Bonwick (void) asprintf((char **)&spa_config_path, "%s/zpool.cache", zopt_dir); 5425f0ba89beSJeff Bonwick 5426ea8dc4b6Seschrock /* 5427ea8dc4b6Seschrock * Blow away any existing copy of zpool.cache 5428ea8dc4b6Seschrock */ 5429ea8dc4b6Seschrock if (zopt_init != 0) 5430f0ba89beSJeff Bonwick (void) remove(spa_config_path); 5431ea8dc4b6Seschrock 5432b24ab676SJeff Bonwick shared_size = sizeof (*zs) + zopt_datasets * sizeof (ztest_ds_t); 5433b24ab676SJeff Bonwick 5434fa9e4066Sahrens zs = ztest_shared = (void *)mmap(0, 5435b24ab676SJeff Bonwick P2ROUNDUP(shared_size, getpagesize()), 5436fa9e4066Sahrens PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); 5437fa9e4066Sahrens 5438fa9e4066Sahrens if (zopt_verbose >= 1) { 5439fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 5440fa9e4066Sahrens " %llu seconds...\n", 5441ecc2d604Sbonwick (u_longlong_t)zopt_vdevs, zopt_datasets, zopt_threads, 5442fa9e4066Sahrens (u_longlong_t)zopt_time); 5443fa9e4066Sahrens } 5444fa9e4066Sahrens 5445fa9e4066Sahrens /* 5446fa9e4066Sahrens * Create and initialize our storage pool. 5447fa9e4066Sahrens */ 5448b24ab676SJeff Bonwick for (int i = 1; i <= zopt_init; i++) { 5449fa9e4066Sahrens bzero(zs, sizeof (ztest_shared_t)); 5450fa9e4066Sahrens if (zopt_verbose >= 3 && zopt_init != 1) 5451fa9e4066Sahrens (void) printf("ztest_init(), pass %d\n", i); 5452b24ab676SJeff Bonwick zs->zs_pool = zopt_pool; 5453b24ab676SJeff Bonwick ztest_init(zs); 5454fa9e4066Sahrens } 5455fa9e4066Sahrens 5456b24ab676SJeff Bonwick zs->zs_pool = zopt_pool; 5457b24ab676SJeff Bonwick zs->zs_proc_start = gethrtime(); 5458b24ab676SJeff Bonwick zs->zs_proc_stop = zs->zs_proc_start + zopt_time * NANOSEC; 5459fa9e4066Sahrens 5460b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5461b24ab676SJeff Bonwick zi = &zs->zs_info[f]; 5462fa9e4066Sahrens *zi = ztest_info[f]; 5463b24ab676SJeff Bonwick if (zs->zs_proc_start + zi->zi_interval[0] > zs->zs_proc_stop) 5464b24ab676SJeff Bonwick zi->zi_call_next = UINT64_MAX; 5465fa9e4066Sahrens else 5466b24ab676SJeff Bonwick zi->zi_call_next = zs->zs_proc_start + 5467b24ab676SJeff Bonwick ztest_random(2 * zi->zi_interval[0] + 1); 5468fa9e4066Sahrens } 5469fa9e4066Sahrens 5470fa9e4066Sahrens /* 5471fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 5472fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 5473fa9e4066Sahrens * to verify that we never lose on-disk consistency. 5474fa9e4066Sahrens */ 5475b24ab676SJeff Bonwick while (gethrtime() < zs->zs_proc_stop) { 5476fa9e4066Sahrens int status; 5477fa9e4066Sahrens pid_t pid; 5478fa9e4066Sahrens 5479fa9e4066Sahrens /* 5480fa9e4066Sahrens * Initialize the workload counters for each function. 5481fa9e4066Sahrens */ 5482b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5483fa9e4066Sahrens zi = &zs->zs_info[f]; 5484b24ab676SJeff Bonwick zi->zi_call_count = 0; 5485fa9e4066Sahrens zi->zi_call_time = 0; 5486fa9e4066Sahrens } 5487fa9e4066Sahrens 5488d6e555bdSGeorge Wilson /* Set the allocation switch size */ 5489d6e555bdSGeorge Wilson metaslab_df_alloc_threshold = ztest_random(metaslab_sz / 4) + 1; 5490d6e555bdSGeorge Wilson 5491fa9e4066Sahrens pid = fork(); 5492fa9e4066Sahrens 5493fa9e4066Sahrens if (pid == -1) 5494fa9e4066Sahrens fatal(1, "fork failed"); 5495fa9e4066Sahrens 5496fa9e4066Sahrens if (pid == 0) { /* child */ 5497fa9e4066Sahrens struct rlimit rl = { 1024, 1024 }; 5498fa9e4066Sahrens (void) setrlimit(RLIMIT_NOFILE, &rl); 5499004388ebScasper (void) enable_extended_FILE_stdio(-1, -1); 5500b24ab676SJeff Bonwick ztest_run(zs); 5501fa9e4066Sahrens exit(0); 5502fa9e4066Sahrens } 5503fa9e4066Sahrens 55045ad82045Snd while (waitpid(pid, &status, 0) != pid) 5505fa9e4066Sahrens continue; 5506fa9e4066Sahrens 5507fa9e4066Sahrens if (WIFEXITED(status)) { 5508fa9e4066Sahrens if (WEXITSTATUS(status) != 0) { 5509fa9e4066Sahrens (void) fprintf(stderr, 5510fa9e4066Sahrens "child exited with code %d\n", 5511fa9e4066Sahrens WEXITSTATUS(status)); 5512fa9e4066Sahrens exit(2); 5513fa9e4066Sahrens } 55145ad82045Snd } else if (WIFSIGNALED(status)) { 5515fa9e4066Sahrens if (WTERMSIG(status) != SIGKILL) { 5516fa9e4066Sahrens (void) fprintf(stderr, 5517fa9e4066Sahrens "child died with signal %d\n", 5518fa9e4066Sahrens WTERMSIG(status)); 5519fa9e4066Sahrens exit(3); 5520fa9e4066Sahrens } 5521fa9e4066Sahrens kills++; 55225ad82045Snd } else { 55235ad82045Snd (void) fprintf(stderr, "something strange happened " 55245ad82045Snd "to child\n"); 55255ad82045Snd exit(4); 5526fa9e4066Sahrens } 5527fa9e4066Sahrens 5528fa9e4066Sahrens iters++; 5529fa9e4066Sahrens 5530fa9e4066Sahrens if (zopt_verbose >= 1) { 5531fa9e4066Sahrens hrtime_t now = gethrtime(); 5532fa9e4066Sahrens 5533b24ab676SJeff Bonwick now = MIN(now, zs->zs_proc_stop); 5534b24ab676SJeff Bonwick print_time(zs->zs_proc_stop - now, timebuf); 5535fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 5536fa9e4066Sahrens 5537fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 5538fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 5539fa9e4066Sahrens iters, 5540fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 5541fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 5542fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 5543fa9e4066Sahrens numbuf, 5544b24ab676SJeff Bonwick 100.0 * (now - zs->zs_proc_start) / 5545fa9e4066Sahrens (zopt_time * NANOSEC), timebuf); 5546fa9e4066Sahrens } 5547fa9e4066Sahrens 5548fa9e4066Sahrens if (zopt_verbose >= 2) { 5549fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 5550fa9e4066Sahrens (void) printf("%7s %9s %s\n", 5551fa9e4066Sahrens "Calls", "Time", "Function"); 5552fa9e4066Sahrens (void) printf("%7s %9s %s\n", 5553fa9e4066Sahrens "-----", "----", "--------"); 5554b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5555fa9e4066Sahrens Dl_info dli; 5556fa9e4066Sahrens 5557fa9e4066Sahrens zi = &zs->zs_info[f]; 5558fa9e4066Sahrens print_time(zi->zi_call_time, timebuf); 5559fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 5560fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 5561b24ab676SJeff Bonwick (u_longlong_t)zi->zi_call_count, timebuf, 5562fa9e4066Sahrens dli.dli_sname); 5563fa9e4066Sahrens } 5564fa9e4066Sahrens (void) printf("\n"); 5565fa9e4066Sahrens } 5566fa9e4066Sahrens 5567fa9e4066Sahrens /* 5568b24ab676SJeff Bonwick * It's possible that we killed a child during a rename test, 5569b24ab676SJeff Bonwick * in which case we'll have a 'ztest_tmp' pool lying around 5570b24ab676SJeff Bonwick * instead of 'ztest'. Do a blind rename in case this happened. 5571fa9e4066Sahrens */ 5572b24ab676SJeff Bonwick kernel_init(FREAD); 5573b24ab676SJeff Bonwick if (spa_open(zopt_pool, &spa, FTAG) == 0) { 5574b24ab676SJeff Bonwick spa_close(spa, FTAG); 5575b24ab676SJeff Bonwick } else { 5576b24ab676SJeff Bonwick char tmpname[MAXNAMELEN]; 5577b24ab676SJeff Bonwick kernel_fini(); 5578b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5579b24ab676SJeff Bonwick (void) snprintf(tmpname, sizeof (tmpname), "%s_tmp", 5580b24ab676SJeff Bonwick zopt_pool); 5581b24ab676SJeff Bonwick (void) spa_rename(tmpname, zopt_pool); 5582b24ab676SJeff Bonwick } 5583fa9e4066Sahrens kernel_fini(); 5584fa9e4066Sahrens 5585b24ab676SJeff Bonwick ztest_run_zdb(zopt_pool); 5586b24ab676SJeff Bonwick } 5587fa9e4066Sahrens 5588fa9e4066Sahrens if (zopt_verbose >= 1) { 5589fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 5590fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 5591fa9e4066Sahrens } 5592fa9e4066Sahrens 5593fa9e4066Sahrens return (0); 5594fa9e4066Sahrens } 5595