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. 23*420dfc95SChris Siden * Copyright (c) 2012 by Delphix. All rights reserved. 24e9103aaeSGarrett D'Amore * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 25fa9e4066Sahrens */ 26fa9e4066Sahrens 27fa9e4066Sahrens /* 28fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 29fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 30fa9e4066Sahrens * 31fa9e4066Sahrens * The overall design of the ztest program is as follows: 32fa9e4066Sahrens * 33fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 34fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 35fa9e4066Sahrens * we have a simple routine to test that functionality. These 36fa9e4066Sahrens * individual routines do not have to do anything "stressful". 37fa9e4066Sahrens * 38fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 39fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 40fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 41fa9e4066Sahrens * 42fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 43fa9e4066Sahrens * verify that self-healing data really works. 44fa9e4066Sahrens * 45fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 46fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 47fa9e4066Sahrens * in which checksum they use and whether they're compressed. 48fa9e4066Sahrens * 49fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 50fa9e4066Sahrens * we run the entire test in a child of the main process. 51fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 52fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 53fa9e4066Sahrens * The parent then runs the test again, using the existing 54*420dfc95SChris Siden * storage pool, as many times as desired. If backwards compatability 55*420dfc95SChris Siden * testing is enabled ztest will sometimes run the "older" version 56*420dfc95SChris Siden * of ztest after a SIGKILL. 57fa9e4066Sahrens * 58fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 59fa9e4066Sahrens * many of the functional tests record the transaction group number 60fa9e4066Sahrens * as part of their data. When reading old data, they verify that 61fa9e4066Sahrens * the transaction group number is less than the current, open txg. 62fa9e4066Sahrens * If you add a new test, please do this if applicable. 63fa9e4066Sahrens * 64fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 65fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 66fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 67fa9e4066Sahrens * 68fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 69fa9e4066Sahrens * 70fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 71fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 72fa9e4066Sahrens * 73*420dfc95SChris Siden * Use the -k option to set the desired frequency of kills. 74*420dfc95SChris Siden * 75*420dfc95SChris Siden * When ztest invokes itself it passes all relevant information through a 76*420dfc95SChris Siden * temporary file which is mmap-ed in the child process. This allows shared 77*420dfc95SChris Siden * memory to survive the exec syscall. The ztest_shared_hdr_t struct is always 78*420dfc95SChris Siden * stored at offset 0 of this file and contains information on the size and 79*420dfc95SChris Siden * number of shared structures in the file. The information stored in this file 80*420dfc95SChris Siden * must remain backwards compatible with older versions of ztest so that 81*420dfc95SChris Siden * ztest can invoke them during backwards compatibility testing (-B). 82fa9e4066Sahrens */ 83fa9e4066Sahrens 84fa9e4066Sahrens #include <sys/zfs_context.h> 85fa9e4066Sahrens #include <sys/spa.h> 86fa9e4066Sahrens #include <sys/dmu.h> 87fa9e4066Sahrens #include <sys/txg.h> 882fdbea25SAleksandr Guzovskiy #include <sys/dbuf.h> 89fa9e4066Sahrens #include <sys/zap.h> 90fa9e4066Sahrens #include <sys/dmu_objset.h> 91fa9e4066Sahrens #include <sys/poll.h> 92fa9e4066Sahrens #include <sys/stat.h> 93fa9e4066Sahrens #include <sys/time.h> 94fa9e4066Sahrens #include <sys/wait.h> 95fa9e4066Sahrens #include <sys/mman.h> 96fa9e4066Sahrens #include <sys/resource.h> 97fa9e4066Sahrens #include <sys/zio.h> 98fa9e4066Sahrens #include <sys/zil.h> 99b24ab676SJeff Bonwick #include <sys/zil_impl.h> 100fa9e4066Sahrens #include <sys/vdev_impl.h> 101e14bb325SJeff Bonwick #include <sys/vdev_file.h> 102fa9e4066Sahrens #include <sys/spa_impl.h> 10388ecc943SGeorge Wilson #include <sys/metaslab_impl.h> 104fa9e4066Sahrens #include <sys/dsl_prop.h> 1054f5064b7SMark J Musante #include <sys/dsl_dataset.h> 1063f9d6ad7SLin Ling #include <sys/dsl_scan.h> 107cde58dbcSMatthew Ahrens #include <sys/zio_checksum.h> 108fa9e4066Sahrens #include <sys/refcount.h> 109fa9e4066Sahrens #include <stdio.h> 110004388ebScasper #include <stdio_ext.h> 111fa9e4066Sahrens #include <stdlib.h> 112fa9e4066Sahrens #include <unistd.h> 113fa9e4066Sahrens #include <signal.h> 114fa9e4066Sahrens #include <umem.h> 115fa9e4066Sahrens #include <dlfcn.h> 116fa9e4066Sahrens #include <ctype.h> 117fa9e4066Sahrens #include <math.h> 118fa9e4066Sahrens #include <sys/fs/zfs.h> 119b24ab676SJeff Bonwick #include <libnvpair.h> 120fa9e4066Sahrens 121*420dfc95SChris Siden #define ZTEST_FD_DATA 3 122*420dfc95SChris Siden #define ZTEST_FD_RAND 4 123*420dfc95SChris Siden 124*420dfc95SChris Siden typedef struct ztest_shared_hdr { 125*420dfc95SChris Siden uint64_t zh_hdr_size; 126*420dfc95SChris Siden uint64_t zh_opts_size; 127*420dfc95SChris Siden uint64_t zh_size; 128*420dfc95SChris Siden uint64_t zh_stats_size; 129*420dfc95SChris Siden uint64_t zh_stats_count; 130*420dfc95SChris Siden uint64_t zh_ds_size; 131*420dfc95SChris Siden uint64_t zh_ds_count; 132*420dfc95SChris Siden } ztest_shared_hdr_t; 133*420dfc95SChris Siden 134*420dfc95SChris Siden static ztest_shared_hdr_t *ztest_shared_hdr; 135*420dfc95SChris Siden 136*420dfc95SChris Siden typedef struct ztest_shared_opts { 137*420dfc95SChris Siden char zo_pool[MAXNAMELEN]; 138*420dfc95SChris Siden char zo_dir[MAXNAMELEN]; 139*420dfc95SChris Siden char zo_alt_ztest[MAXNAMELEN]; 140*420dfc95SChris Siden char zo_alt_libpath[MAXNAMELEN]; 141*420dfc95SChris Siden uint64_t zo_vdevs; 142*420dfc95SChris Siden uint64_t zo_vdevtime; 143*420dfc95SChris Siden size_t zo_vdev_size; 144*420dfc95SChris Siden int zo_ashift; 145*420dfc95SChris Siden int zo_mirrors; 146*420dfc95SChris Siden int zo_raidz; 147*420dfc95SChris Siden int zo_raidz_parity; 148*420dfc95SChris Siden int zo_datasets; 149*420dfc95SChris Siden int zo_threads; 150*420dfc95SChris Siden uint64_t zo_passtime; 151*420dfc95SChris Siden uint64_t zo_killrate; 152*420dfc95SChris Siden int zo_verbose; 153*420dfc95SChris Siden int zo_init; 154*420dfc95SChris Siden uint64_t zo_time; 155*420dfc95SChris Siden uint64_t zo_maxloops; 156*420dfc95SChris Siden uint64_t zo_metaslab_gang_bang; 157*420dfc95SChris Siden } ztest_shared_opts_t; 158*420dfc95SChris Siden 159*420dfc95SChris Siden static const ztest_shared_opts_t ztest_opts_defaults = { 160*420dfc95SChris Siden .zo_pool = { 'z', 't', 'e', 's', 't', '\0' }, 161*420dfc95SChris Siden .zo_dir = { '/', 't', 'm', 'p', '\0' }, 162*420dfc95SChris Siden .zo_alt_ztest = { '\0' }, 163*420dfc95SChris Siden .zo_alt_libpath = { '\0' }, 164*420dfc95SChris Siden .zo_vdevs = 5, 165*420dfc95SChris Siden .zo_ashift = SPA_MINBLOCKSHIFT, 166*420dfc95SChris Siden .zo_mirrors = 2, 167*420dfc95SChris Siden .zo_raidz = 4, 168*420dfc95SChris Siden .zo_raidz_parity = 1, 169*420dfc95SChris Siden .zo_vdev_size = SPA_MINDEVSIZE, 170*420dfc95SChris Siden .zo_datasets = 7, 171*420dfc95SChris Siden .zo_threads = 23, 172*420dfc95SChris Siden .zo_passtime = 60, /* 60 seconds */ 173*420dfc95SChris Siden .zo_killrate = 70, /* 70% kill rate */ 174*420dfc95SChris Siden .zo_verbose = 0, 175*420dfc95SChris Siden .zo_init = 1, 176*420dfc95SChris Siden .zo_time = 300, /* 5 minutes */ 177*420dfc95SChris Siden .zo_maxloops = 50, /* max loops during spa_freeze() */ 178*420dfc95SChris Siden .zo_metaslab_gang_bang = 32 << 10 179*420dfc95SChris Siden }; 180*420dfc95SChris Siden 181*420dfc95SChris Siden extern uint64_t metaslab_gang_bang; 182*420dfc95SChris Siden extern uint64_t metaslab_df_alloc_threshold; 183*420dfc95SChris Siden 184*420dfc95SChris Siden static ztest_shared_opts_t *ztest_shared_opts; 185*420dfc95SChris Siden static ztest_shared_opts_t ztest_opts; 186*420dfc95SChris Siden 187*420dfc95SChris Siden typedef struct ztest_shared_ds { 188*420dfc95SChris Siden uint64_t zd_seq; 189*420dfc95SChris Siden } ztest_shared_ds_t; 190*420dfc95SChris Siden 191*420dfc95SChris Siden static ztest_shared_ds_t *ztest_shared_ds; 192*420dfc95SChris Siden #define ZTEST_GET_SHARED_DS(d) (&ztest_shared_ds[d]) 193fa9e4066Sahrens 194b24ab676SJeff Bonwick #define BT_MAGIC 0x123456789abcdefULL 195*420dfc95SChris Siden #define MAXFAULTS() \ 196*420dfc95SChris Siden (MAX(zs->zs_mirrors, 1) * (ztest_opts.zo_raidz_parity + 1) - 1) 197b24ab676SJeff Bonwick 198b24ab676SJeff Bonwick enum ztest_io_type { 199b24ab676SJeff Bonwick ZTEST_IO_WRITE_TAG, 200b24ab676SJeff Bonwick ZTEST_IO_WRITE_PATTERN, 201b24ab676SJeff Bonwick ZTEST_IO_WRITE_ZEROES, 202b24ab676SJeff Bonwick ZTEST_IO_TRUNCATE, 203b24ab676SJeff Bonwick ZTEST_IO_SETATTR, 204b24ab676SJeff Bonwick ZTEST_IO_TYPES 205b24ab676SJeff Bonwick }; 206b24ab676SJeff Bonwick 207e05725b1Sbonwick typedef struct ztest_block_tag { 208b24ab676SJeff Bonwick uint64_t bt_magic; 209e05725b1Sbonwick uint64_t bt_objset; 210e05725b1Sbonwick uint64_t bt_object; 211e05725b1Sbonwick uint64_t bt_offset; 212b24ab676SJeff Bonwick uint64_t bt_gen; 213e05725b1Sbonwick uint64_t bt_txg; 214b24ab676SJeff Bonwick uint64_t bt_crtxg; 215e05725b1Sbonwick } ztest_block_tag_t; 216e05725b1Sbonwick 217b24ab676SJeff Bonwick typedef struct bufwad { 218b24ab676SJeff Bonwick uint64_t bw_index; 219b24ab676SJeff Bonwick uint64_t bw_txg; 220b24ab676SJeff Bonwick uint64_t bw_data; 221b24ab676SJeff Bonwick } bufwad_t; 222b24ab676SJeff Bonwick 223b24ab676SJeff Bonwick /* 224b24ab676SJeff Bonwick * XXX -- fix zfs range locks to be generic so we can use them here. 225b24ab676SJeff Bonwick */ 226b24ab676SJeff Bonwick typedef enum { 227b24ab676SJeff Bonwick RL_READER, 228b24ab676SJeff Bonwick RL_WRITER, 229b24ab676SJeff Bonwick RL_APPEND 230b24ab676SJeff Bonwick } rl_type_t; 231b24ab676SJeff Bonwick 232b24ab676SJeff Bonwick typedef struct rll { 233b24ab676SJeff Bonwick void *rll_writer; 234b24ab676SJeff Bonwick int rll_readers; 235b24ab676SJeff Bonwick mutex_t rll_lock; 236b24ab676SJeff Bonwick cond_t rll_cv; 237b24ab676SJeff Bonwick } rll_t; 238b24ab676SJeff Bonwick 239b24ab676SJeff Bonwick typedef struct rl { 240b24ab676SJeff Bonwick uint64_t rl_object; 241b24ab676SJeff Bonwick uint64_t rl_offset; 242b24ab676SJeff Bonwick uint64_t rl_size; 243b24ab676SJeff Bonwick rll_t *rl_lock; 244b24ab676SJeff Bonwick } rl_t; 245b24ab676SJeff Bonwick 246b24ab676SJeff Bonwick #define ZTEST_RANGE_LOCKS 64 247b24ab676SJeff Bonwick #define ZTEST_OBJECT_LOCKS 64 248b24ab676SJeff Bonwick 249b24ab676SJeff Bonwick /* 250b24ab676SJeff Bonwick * Object descriptor. Used as a template for object lookup/create/remove. 251b24ab676SJeff Bonwick */ 252b24ab676SJeff Bonwick typedef struct ztest_od { 253b24ab676SJeff Bonwick uint64_t od_dir; 254b24ab676SJeff Bonwick uint64_t od_object; 255b24ab676SJeff Bonwick dmu_object_type_t od_type; 256b24ab676SJeff Bonwick dmu_object_type_t od_crtype; 257b24ab676SJeff Bonwick uint64_t od_blocksize; 258b24ab676SJeff Bonwick uint64_t od_crblocksize; 259b24ab676SJeff Bonwick uint64_t od_gen; 260b24ab676SJeff Bonwick uint64_t od_crgen; 261b24ab676SJeff Bonwick char od_name[MAXNAMELEN]; 262b24ab676SJeff Bonwick } ztest_od_t; 263fa9e4066Sahrens 264b24ab676SJeff Bonwick /* 265b24ab676SJeff Bonwick * Per-dataset state. 266b24ab676SJeff Bonwick */ 267b24ab676SJeff Bonwick typedef struct ztest_ds { 268*420dfc95SChris Siden ztest_shared_ds_t *zd_shared; 269b24ab676SJeff Bonwick objset_t *zd_os; 270c9ba2a43SEric Schrock rwlock_t zd_zilog_lock; 271b24ab676SJeff Bonwick zilog_t *zd_zilog; 272b24ab676SJeff Bonwick ztest_od_t *zd_od; /* debugging aid */ 273b24ab676SJeff Bonwick char zd_name[MAXNAMELEN]; 274b24ab676SJeff Bonwick mutex_t zd_dirobj_lock; 275b24ab676SJeff Bonwick rll_t zd_object_lock[ZTEST_OBJECT_LOCKS]; 276b24ab676SJeff Bonwick rll_t zd_range_lock[ZTEST_RANGE_LOCKS]; 277b24ab676SJeff Bonwick } ztest_ds_t; 278b24ab676SJeff Bonwick 279b24ab676SJeff Bonwick /* 280b24ab676SJeff Bonwick * Per-iteration state. 281b24ab676SJeff Bonwick */ 282b24ab676SJeff Bonwick typedef void ztest_func_t(ztest_ds_t *zd, uint64_t id); 283b24ab676SJeff Bonwick 284b24ab676SJeff Bonwick typedef struct ztest_info { 285b24ab676SJeff Bonwick ztest_func_t *zi_func; /* test function */ 286b24ab676SJeff Bonwick uint64_t zi_iters; /* iterations per execution */ 287b24ab676SJeff Bonwick uint64_t *zi_interval; /* execute every <interval> seconds */ 288b24ab676SJeff Bonwick } ztest_info_t; 289fa9e4066Sahrens 290*420dfc95SChris Siden typedef struct ztest_shared_callstate { 291*420dfc95SChris Siden uint64_t zc_count; /* per-pass count */ 292*420dfc95SChris Siden uint64_t zc_time; /* per-pass time */ 293*420dfc95SChris Siden uint64_t zc_next; /* next time to call this function */ 294*420dfc95SChris Siden } ztest_shared_callstate_t; 295*420dfc95SChris Siden 296*420dfc95SChris Siden static ztest_shared_callstate_t *ztest_shared_callstate; 297*420dfc95SChris Siden #define ZTEST_GET_SHARED_CALLSTATE(c) (&ztest_shared_callstate[c]) 298*420dfc95SChris Siden 299fa9e4066Sahrens /* 300fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 301fa9e4066Sahrens */ 302fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 303fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 304fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 305d20e665cSRicardo M. Correia ztest_func_t ztest_dmu_commit_callbacks; 306fa9e4066Sahrens ztest_func_t ztest_zap; 307fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 308b24ab676SJeff Bonwick ztest_func_t ztest_zil_commit; 309c9ba2a43SEric Schrock ztest_func_t ztest_zil_remount; 310b24ab676SJeff Bonwick ztest_func_t ztest_dmu_read_write_zcopy; 311fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 312b24ab676SJeff Bonwick ztest_func_t ztest_dmu_prealloc; 313b24ab676SJeff Bonwick ztest_func_t ztest_fzap; 314fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 315b24ab676SJeff Bonwick ztest_func_t ztest_dsl_prop_get_set; 316b24ab676SJeff Bonwick ztest_func_t ztest_spa_prop_get_set; 317fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 318fa9e4066Sahrens ztest_func_t ztest_fault_inject; 319b24ab676SJeff Bonwick ztest_func_t ztest_ddt_repair; 320b24ab676SJeff Bonwick ztest_func_t ztest_dmu_snapshot_hold; 321e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 322b24ab676SJeff Bonwick ztest_func_t ztest_scrub; 323b24ab676SJeff Bonwick ztest_func_t ztest_dsl_dataset_promote_busy; 324fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 325fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 326fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 327e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 3281195e687SMark J Musante ztest_func_t ztest_split_pool; 329e9103aaeSGarrett D'Amore ztest_func_t ztest_reguid; 330fa9e4066Sahrens 331b24ab676SJeff Bonwick uint64_t zopt_always = 0ULL * NANOSEC; /* all the time */ 332b24ab676SJeff Bonwick uint64_t zopt_incessant = 1ULL * NANOSEC / 10; /* every 1/10 second */ 333b24ab676SJeff Bonwick uint64_t zopt_often = 1ULL * NANOSEC; /* every second */ 334b24ab676SJeff Bonwick uint64_t zopt_sometimes = 10ULL * NANOSEC; /* every 10 seconds */ 335b24ab676SJeff Bonwick uint64_t zopt_rarely = 60ULL * NANOSEC; /* every 60 seconds */ 336fa9e4066Sahrens 337fa9e4066Sahrens ztest_info_t ztest_info[] = { 338e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 339b24ab676SJeff Bonwick { ztest_dmu_write_parallel, 10, &zopt_always }, 340e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 341b24ab676SJeff Bonwick { ztest_dmu_commit_callbacks, 1, &zopt_always }, 342e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 343e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 3441195e687SMark J Musante { ztest_split_pool, 1, &zopt_always }, 345b24ab676SJeff Bonwick { ztest_zil_commit, 1, &zopt_incessant }, 346c9ba2a43SEric Schrock { ztest_zil_remount, 1, &zopt_sometimes }, 347b24ab676SJeff Bonwick { ztest_dmu_read_write_zcopy, 1, &zopt_often }, 348b24ab676SJeff Bonwick { ztest_dmu_objset_create_destroy, 1, &zopt_often }, 349b24ab676SJeff Bonwick { ztest_dsl_prop_get_set, 1, &zopt_often }, 350b24ab676SJeff Bonwick { ztest_spa_prop_get_set, 1, &zopt_sometimes }, 351b24ab676SJeff Bonwick #if 0 352b24ab676SJeff Bonwick { ztest_dmu_prealloc, 1, &zopt_sometimes }, 353b24ab676SJeff Bonwick #endif 354b24ab676SJeff Bonwick { ztest_fzap, 1, &zopt_sometimes }, 355b24ab676SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 356b24ab676SJeff Bonwick { ztest_spa_create_destroy, 1, &zopt_sometimes }, 357e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 358b24ab676SJeff Bonwick { ztest_ddt_repair, 1, &zopt_sometimes }, 3595c987a37SChris Kirby { ztest_dmu_snapshot_hold, 1, &zopt_sometimes }, 360e9103aaeSGarrett D'Amore { ztest_reguid, 1, &zopt_sometimes }, 361e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 362b24ab676SJeff Bonwick { ztest_scrub, 1, &zopt_rarely }, 363b24ab676SJeff Bonwick { ztest_dsl_dataset_promote_busy, 1, &zopt_rarely }, 3643f9d6ad7SLin Ling { ztest_vdev_attach_detach, 1, &zopt_rarely }, 365e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 366*420dfc95SChris Siden { ztest_vdev_add_remove, 1, 367*420dfc95SChris Siden &ztest_opts.zo_vdevtime }, 368*420dfc95SChris Siden { ztest_vdev_aux_add_remove, 1, 369*420dfc95SChris Siden &ztest_opts.zo_vdevtime }, 370fa9e4066Sahrens }; 371fa9e4066Sahrens 372fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 373fa9e4066Sahrens 374d20e665cSRicardo M. Correia /* 375d20e665cSRicardo M. Correia * The following struct is used to hold a list of uncalled commit callbacks. 376d20e665cSRicardo M. Correia * The callbacks are ordered by txg number. 377d20e665cSRicardo M. Correia */ 378d20e665cSRicardo M. Correia typedef struct ztest_cb_list { 379d20e665cSRicardo M. Correia mutex_t zcl_callbacks_lock; 380d20e665cSRicardo M. Correia list_t zcl_callbacks; 381d20e665cSRicardo M. Correia } ztest_cb_list_t; 382d20e665cSRicardo M. Correia 383fa9e4066Sahrens /* 384fa9e4066Sahrens * Stuff we need to share writably between parent and child. 385fa9e4066Sahrens */ 386fa9e4066Sahrens typedef struct ztest_shared { 387*420dfc95SChris Siden boolean_t zs_do_init; 388b24ab676SJeff Bonwick hrtime_t zs_proc_start; 389b24ab676SJeff Bonwick hrtime_t zs_proc_stop; 390b24ab676SJeff Bonwick hrtime_t zs_thread_start; 391b24ab676SJeff Bonwick hrtime_t zs_thread_stop; 392b24ab676SJeff Bonwick hrtime_t zs_thread_kill; 393b24ab676SJeff Bonwick uint64_t zs_enospc_count; 39488ecc943SGeorge Wilson uint64_t zs_vdev_next_leaf; 395e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 396fa9e4066Sahrens uint64_t zs_alloc; 397fa9e4066Sahrens uint64_t zs_space; 3981195e687SMark J Musante uint64_t zs_splits; 3991195e687SMark J Musante uint64_t zs_mirrors; 400*420dfc95SChris Siden uint64_t zs_metaslab_sz; 401*420dfc95SChris Siden uint64_t zs_metaslab_df_alloc_threshold; 402*420dfc95SChris Siden uint64_t zs_guid; 403fa9e4066Sahrens } ztest_shared_t; 404fa9e4066Sahrens 405b24ab676SJeff Bonwick #define ID_PARALLEL -1ULL 406b24ab676SJeff Bonwick 407fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 408e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 409b24ab676SJeff Bonwick ztest_shared_t *ztest_shared; 410fa9e4066Sahrens 411*420dfc95SChris Siden static spa_t *ztest_spa = NULL; 412*420dfc95SChris Siden static ztest_ds_t *ztest_ds; 413*420dfc95SChris Siden 414*420dfc95SChris Siden static mutex_t ztest_vdev_lock; 415*420dfc95SChris Siden static rwlock_t ztest_name_lock; 416fa9e4066Sahrens 417*420dfc95SChris Siden static boolean_t ztest_dump_core = B_TRUE; 418e14bb325SJeff Bonwick static boolean_t ztest_exiting; 4190a4e9518Sgw 420d20e665cSRicardo M. Correia /* Global commit callback list */ 421d20e665cSRicardo M. Correia static ztest_cb_list_t zcl; 422d20e665cSRicardo M. Correia 423b24ab676SJeff Bonwick enum ztest_object { 424b24ab676SJeff Bonwick ZTEST_META_DNODE = 0, 425b24ab676SJeff Bonwick ZTEST_DIROBJ, 426b24ab676SJeff Bonwick ZTEST_OBJECTS 427b24ab676SJeff Bonwick }; 428fa9e4066Sahrens 4291ce825d8Sraf static void usage(boolean_t) __NORETURN; 430f1b4288bSvb 431fa9e4066Sahrens /* 432fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 433fa9e4066Sahrens * debugging facilities. 434fa9e4066Sahrens */ 435fa9e4066Sahrens const char * 436fa9e4066Sahrens _umem_debug_init() 437fa9e4066Sahrens { 438fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 439fa9e4066Sahrens } 440fa9e4066Sahrens 441fa9e4066Sahrens const char * 442fa9e4066Sahrens _umem_logging_init(void) 443fa9e4066Sahrens { 444fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 445fa9e4066Sahrens } 446fa9e4066Sahrens 447fa9e4066Sahrens #define FATAL_MSG_SZ 1024 448fa9e4066Sahrens 449fa9e4066Sahrens char *fatal_msg; 450fa9e4066Sahrens 451fa9e4066Sahrens static void 452fa9e4066Sahrens fatal(int do_perror, char *message, ...) 453fa9e4066Sahrens { 454fa9e4066Sahrens va_list args; 455fa9e4066Sahrens int save_errno = errno; 456fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 457fa9e4066Sahrens 458fa9e4066Sahrens (void) fflush(stdout); 459fa9e4066Sahrens 460fa9e4066Sahrens va_start(args, message); 461fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 462fa9e4066Sahrens /* LINTED */ 463fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 464fa9e4066Sahrens va_end(args); 465fa9e4066Sahrens if (do_perror) { 466fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 467fa9e4066Sahrens ": %s", strerror(save_errno)); 468fa9e4066Sahrens } 469fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 470fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 471fa9e4066Sahrens if (ztest_dump_core) 472fa9e4066Sahrens abort(); 473fa9e4066Sahrens exit(3); 474fa9e4066Sahrens } 475fa9e4066Sahrens 476fa9e4066Sahrens static int 477fa9e4066Sahrens str2shift(const char *buf) 478fa9e4066Sahrens { 479fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 480fa9e4066Sahrens int i; 481fa9e4066Sahrens 482fa9e4066Sahrens if (buf[0] == '\0') 483fa9e4066Sahrens return (0); 484fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 485fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 486fa9e4066Sahrens break; 487fa9e4066Sahrens } 488f1b4288bSvb if (i == strlen(ends)) { 489f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 490f1b4288bSvb buf); 491f1b4288bSvb usage(B_FALSE); 492f1b4288bSvb } 493fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 494fa9e4066Sahrens return (10*i); 495fa9e4066Sahrens } 496f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 497f1b4288bSvb usage(B_FALSE); 498f1b4288bSvb /* NOTREACHED */ 499fa9e4066Sahrens } 500fa9e4066Sahrens 501fa9e4066Sahrens static uint64_t 502fa9e4066Sahrens nicenumtoull(const char *buf) 503fa9e4066Sahrens { 504fa9e4066Sahrens char *end; 505fa9e4066Sahrens uint64_t val; 506fa9e4066Sahrens 507fa9e4066Sahrens val = strtoull(buf, &end, 0); 508fa9e4066Sahrens if (end == buf) { 509f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 510f1b4288bSvb usage(B_FALSE); 511fa9e4066Sahrens } else if (end[0] == '.') { 512fa9e4066Sahrens double fval = strtod(buf, &end); 513fa9e4066Sahrens fval *= pow(2, str2shift(end)); 514f1b4288bSvb if (fval > UINT64_MAX) { 515f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 516f1b4288bSvb buf); 517f1b4288bSvb usage(B_FALSE); 518f1b4288bSvb } 519fa9e4066Sahrens val = (uint64_t)fval; 520fa9e4066Sahrens } else { 521fa9e4066Sahrens int shift = str2shift(end); 522f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 523f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 524f1b4288bSvb buf); 525f1b4288bSvb usage(B_FALSE); 526f1b4288bSvb } 527fa9e4066Sahrens val <<= shift; 528fa9e4066Sahrens } 529fa9e4066Sahrens return (val); 530fa9e4066Sahrens } 531fa9e4066Sahrens 532fa9e4066Sahrens static void 533f1b4288bSvb usage(boolean_t requested) 534fa9e4066Sahrens { 535*420dfc95SChris Siden const ztest_shared_opts_t *zo = &ztest_opts_defaults; 536*420dfc95SChris Siden 537fa9e4066Sahrens char nice_vdev_size[10]; 538fa9e4066Sahrens char nice_gang_bang[10]; 539f1b4288bSvb FILE *fp = requested ? stdout : stderr; 540fa9e4066Sahrens 541*420dfc95SChris Siden nicenum(zo->zo_vdev_size, nice_vdev_size); 542*420dfc95SChris Siden nicenum(zo->zo_metaslab_gang_bang, nice_gang_bang); 543fa9e4066Sahrens 544f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 545fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 546fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 5472215e990SMark J Musante "\t[-a alignment_shift (default: %d)] use 0 for random\n" 548fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 549fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 55099653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 551fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 552fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 553fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 5542215e990SMark J Musante "\t[-i init_count (default: %d)] initialize pool i times\n" 5552215e990SMark J Musante "\t[-k kill_percentage (default: %llu%%)]\n" 556fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 5572215e990SMark J Musante "\t[-f dir (default: %s)] file directory for vdev files\n" 5582215e990SMark J Musante "\t[-V] verbose (use multiple times for ever more blather)\n" 5592215e990SMark J Musante "\t[-E] use existing pool instead of creating new one\n" 5602215e990SMark J Musante "\t[-T time (default: %llu sec)] total run time\n" 5612215e990SMark J Musante "\t[-F freezeloops (default: %llu)] max loops in spa_freeze()\n" 5622215e990SMark J Musante "\t[-P passtime (default: %llu sec)] time per pass\n" 563*420dfc95SChris Siden "\t[-B alt_ztest (default: <none>)] alternate ztest path\n" 564f1b4288bSvb "\t[-h] (print help)\n" 565fa9e4066Sahrens "", 566*420dfc95SChris Siden zo->zo_pool, 567*420dfc95SChris Siden (u_longlong_t)zo->zo_vdevs, /* -v */ 5680a4e9518Sgw nice_vdev_size, /* -s */ 569*420dfc95SChris Siden zo->zo_ashift, /* -a */ 570*420dfc95SChris Siden zo->zo_mirrors, /* -m */ 571*420dfc95SChris Siden zo->zo_raidz, /* -r */ 572*420dfc95SChris Siden zo->zo_raidz_parity, /* -R */ 573*420dfc95SChris Siden zo->zo_datasets, /* -d */ 574*420dfc95SChris Siden zo->zo_threads, /* -t */ 5750a4e9518Sgw nice_gang_bang, /* -g */ 576*420dfc95SChris Siden zo->zo_init, /* -i */ 577*420dfc95SChris Siden (u_longlong_t)zo->zo_killrate, /* -k */ 578*420dfc95SChris Siden zo->zo_pool, /* -p */ 579*420dfc95SChris Siden zo->zo_dir, /* -f */ 580*420dfc95SChris Siden (u_longlong_t)zo->zo_time, /* -T */ 581*420dfc95SChris Siden (u_longlong_t)zo->zo_maxloops, /* -F */ 582*420dfc95SChris Siden (u_longlong_t)zo->zo_passtime); 583f1b4288bSvb exit(requested ? 0 : 1); 584fa9e4066Sahrens } 585fa9e4066Sahrens 586fa9e4066Sahrens static void 587fa9e4066Sahrens process_options(int argc, char **argv) 588fa9e4066Sahrens { 589*420dfc95SChris Siden char *path; 590*420dfc95SChris Siden ztest_shared_opts_t *zo = &ztest_opts; 591*420dfc95SChris Siden 592fa9e4066Sahrens int opt; 593fa9e4066Sahrens uint64_t value; 594*420dfc95SChris Siden char altdir[MAXNAMELEN] = { 0 }; 595fa9e4066Sahrens 596*420dfc95SChris Siden bcopy(&ztest_opts_defaults, zo, sizeof (*zo)); 597fa9e4066Sahrens 598fa9e4066Sahrens while ((opt = getopt(argc, argv, 599*420dfc95SChris Siden "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:hF:B:")) != EOF) { 600fa9e4066Sahrens value = 0; 601fa9e4066Sahrens switch (opt) { 6023d7072f8Seschrock case 'v': 6033d7072f8Seschrock case 's': 6043d7072f8Seschrock case 'a': 6053d7072f8Seschrock case 'm': 6063d7072f8Seschrock case 'r': 6073d7072f8Seschrock case 'R': 6083d7072f8Seschrock case 'd': 6093d7072f8Seschrock case 't': 6103d7072f8Seschrock case 'g': 6113d7072f8Seschrock case 'i': 6123d7072f8Seschrock case 'k': 6133d7072f8Seschrock case 'T': 6143d7072f8Seschrock case 'P': 6152215e990SMark J Musante case 'F': 616fa9e4066Sahrens value = nicenumtoull(optarg); 617fa9e4066Sahrens } 618fa9e4066Sahrens switch (opt) { 6193d7072f8Seschrock case 'v': 620*420dfc95SChris Siden zo->zo_vdevs = value; 621fa9e4066Sahrens break; 6223d7072f8Seschrock case 's': 623*420dfc95SChris Siden zo->zo_vdev_size = MAX(SPA_MINDEVSIZE, value); 624fa9e4066Sahrens break; 6253d7072f8Seschrock case 'a': 626*420dfc95SChris Siden zo->zo_ashift = value; 627ecc2d604Sbonwick break; 6283d7072f8Seschrock case 'm': 629*420dfc95SChris Siden zo->zo_mirrors = value; 630fa9e4066Sahrens break; 6313d7072f8Seschrock case 'r': 632*420dfc95SChris Siden zo->zo_raidz = MAX(1, value); 633fa9e4066Sahrens break; 6343d7072f8Seschrock case 'R': 635*420dfc95SChris Siden zo->zo_raidz_parity = MIN(MAX(value, 1), 3); 63699653d4eSeschrock break; 6373d7072f8Seschrock case 'd': 638*420dfc95SChris Siden zo->zo_datasets = MAX(1, value); 639fa9e4066Sahrens break; 6403d7072f8Seschrock case 't': 641*420dfc95SChris Siden zo->zo_threads = MAX(1, value); 642fa9e4066Sahrens break; 6433d7072f8Seschrock case 'g': 644*420dfc95SChris Siden zo->zo_metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, 645*420dfc95SChris Siden value); 646fa9e4066Sahrens break; 6473d7072f8Seschrock case 'i': 648*420dfc95SChris Siden zo->zo_init = value; 649fa9e4066Sahrens break; 6503d7072f8Seschrock case 'k': 651*420dfc95SChris Siden zo->zo_killrate = value; 652fa9e4066Sahrens break; 6533d7072f8Seschrock case 'p': 654*420dfc95SChris Siden (void) strlcpy(zo->zo_pool, optarg, 655*420dfc95SChris Siden sizeof (zo->zo_pool)); 656fa9e4066Sahrens break; 6573d7072f8Seschrock case 'f': 658*420dfc95SChris Siden path = realpath(optarg, NULL); 659*420dfc95SChris Siden if (path == NULL) { 660*420dfc95SChris Siden (void) fprintf(stderr, "error: %s: %s\n", 661*420dfc95SChris Siden optarg, strerror(errno)); 662*420dfc95SChris Siden usage(B_FALSE); 663*420dfc95SChris Siden } else { 664*420dfc95SChris Siden (void) strlcpy(zo->zo_dir, path, 665*420dfc95SChris Siden sizeof (zo->zo_dir)); 666*420dfc95SChris Siden } 667fa9e4066Sahrens break; 6683d7072f8Seschrock case 'V': 669*420dfc95SChris Siden zo->zo_verbose++; 670fa9e4066Sahrens break; 6713d7072f8Seschrock case 'E': 672*420dfc95SChris Siden zo->zo_init = 0; 673fa9e4066Sahrens break; 6743d7072f8Seschrock case 'T': 675*420dfc95SChris Siden zo->zo_time = value; 676fa9e4066Sahrens break; 6773d7072f8Seschrock case 'P': 678*420dfc95SChris Siden zo->zo_passtime = MAX(1, value); 679fa9e4066Sahrens break; 6802215e990SMark J Musante case 'F': 681*420dfc95SChris Siden zo->zo_maxloops = MAX(1, value); 682*420dfc95SChris Siden break; 683*420dfc95SChris Siden case 'B': 684*420dfc95SChris Siden (void) strlcpy(altdir, optarg, sizeof (altdir)); 6852215e990SMark J Musante break; 6863d7072f8Seschrock case 'h': 687f1b4288bSvb usage(B_TRUE); 688f1b4288bSvb break; 6893d7072f8Seschrock case '?': 6903d7072f8Seschrock default: 691f1b4288bSvb usage(B_FALSE); 692fa9e4066Sahrens break; 693fa9e4066Sahrens } 694fa9e4066Sahrens } 695fa9e4066Sahrens 696*420dfc95SChris Siden zo->zo_raidz_parity = MIN(zo->zo_raidz_parity, zo->zo_raidz - 1); 69799653d4eSeschrock 698*420dfc95SChris Siden zo->zo_vdevtime = 699*420dfc95SChris Siden (zo->zo_vdevs > 0 ? zo->zo_time * NANOSEC / zo->zo_vdevs : 700b24ab676SJeff Bonwick UINT64_MAX >> 2); 701*420dfc95SChris Siden 702*420dfc95SChris Siden if (strlen(altdir) > 0) { 703*420dfc95SChris Siden char cmd[MAXNAMELEN]; 704*420dfc95SChris Siden char realaltdir[MAXNAMELEN]; 705*420dfc95SChris Siden char *bin; 706*420dfc95SChris Siden char *ztest; 707*420dfc95SChris Siden char *isa; 708*420dfc95SChris Siden int isalen; 709*420dfc95SChris Siden 710*420dfc95SChris Siden (void) realpath(getexecname(), cmd); 711*420dfc95SChris Siden if (0 != access(altdir, F_OK)) { 712*420dfc95SChris Siden ztest_dump_core = B_FALSE; 713*420dfc95SChris Siden fatal(B_TRUE, "invalid alternate ztest path: %s", 714*420dfc95SChris Siden altdir); 715*420dfc95SChris Siden } 716*420dfc95SChris Siden VERIFY(NULL != realpath(altdir, realaltdir)); 717*420dfc95SChris Siden 718*420dfc95SChris Siden /* 719*420dfc95SChris Siden * 'cmd' should be of the form "<anything>/usr/bin/<isa>/ztest". 720*420dfc95SChris Siden * We want to extract <isa> to determine if we should use 721*420dfc95SChris Siden * 32 or 64 bit binaries. 722*420dfc95SChris Siden */ 723*420dfc95SChris Siden bin = strstr(cmd, "/usr/bin/"); 724*420dfc95SChris Siden ztest = strstr(bin, "/ztest"); 725*420dfc95SChris Siden isa = bin + 9; 726*420dfc95SChris Siden isalen = ztest - isa; 727*420dfc95SChris Siden (void) snprintf(zo->zo_alt_ztest, sizeof (zo->zo_alt_ztest), 728*420dfc95SChris Siden "%s/usr/bin/%.*s/ztest", realaltdir, isalen, isa); 729*420dfc95SChris Siden (void) snprintf(zo->zo_alt_libpath, sizeof (zo->zo_alt_libpath), 730*420dfc95SChris Siden "%s/usr/lib/%.*s", realaltdir, isalen, isa); 731*420dfc95SChris Siden 732*420dfc95SChris Siden if (0 != access(zo->zo_alt_ztest, X_OK)) { 733*420dfc95SChris Siden ztest_dump_core = B_FALSE; 734*420dfc95SChris Siden fatal(B_TRUE, "invalid alternate ztest: %s", 735*420dfc95SChris Siden zo->zo_alt_ztest); 736*420dfc95SChris Siden } else if (0 != access(zo->zo_alt_libpath, X_OK)) { 737*420dfc95SChris Siden ztest_dump_core = B_FALSE; 738*420dfc95SChris Siden fatal(B_TRUE, "invalid alternate lib directory %s", 739*420dfc95SChris Siden zo->zo_alt_libpath); 740*420dfc95SChris Siden } 741*420dfc95SChris Siden } 742fa9e4066Sahrens } 743fa9e4066Sahrens 744b24ab676SJeff Bonwick static void 745b24ab676SJeff Bonwick ztest_kill(ztest_shared_t *zs) 746b24ab676SJeff Bonwick { 747*420dfc95SChris Siden zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(ztest_spa)); 748*420dfc95SChris Siden zs->zs_space = metaslab_class_get_space(spa_normal_class(ztest_spa)); 749b24ab676SJeff Bonwick (void) kill(getpid(), SIGKILL); 750b24ab676SJeff Bonwick } 751b24ab676SJeff Bonwick 752b24ab676SJeff Bonwick static uint64_t 753b24ab676SJeff Bonwick ztest_random(uint64_t range) 754b24ab676SJeff Bonwick { 755b24ab676SJeff Bonwick uint64_t r; 756b24ab676SJeff Bonwick 757b24ab676SJeff Bonwick if (range == 0) 758b24ab676SJeff Bonwick return (0); 759b24ab676SJeff Bonwick 760*420dfc95SChris Siden if (read(ZTEST_FD_RAND, &r, sizeof (r)) != sizeof (r)) 761b24ab676SJeff Bonwick fatal(1, "short read from /dev/urandom"); 762b24ab676SJeff Bonwick 763b24ab676SJeff Bonwick return (r % range); 764b24ab676SJeff Bonwick } 765b24ab676SJeff Bonwick 766b24ab676SJeff Bonwick /* ARGSUSED */ 767b24ab676SJeff Bonwick static void 768b24ab676SJeff Bonwick ztest_record_enospc(const char *s) 769b24ab676SJeff Bonwick { 770b24ab676SJeff Bonwick ztest_shared->zs_enospc_count++; 771b24ab676SJeff Bonwick } 772b24ab676SJeff Bonwick 773ecc2d604Sbonwick static uint64_t 774ecc2d604Sbonwick ztest_get_ashift(void) 775ecc2d604Sbonwick { 776*420dfc95SChris Siden if (ztest_opts.zo_ashift == 0) 777ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 778*420dfc95SChris Siden return (ztest_opts.zo_ashift); 779ecc2d604Sbonwick } 780ecc2d604Sbonwick 781fa9e4066Sahrens static nvlist_t * 782e14bb325SJeff Bonwick make_vdev_file(char *path, char *aux, size_t size, uint64_t ashift) 783fa9e4066Sahrens { 784e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 785fa9e4066Sahrens uint64_t vdev; 786fa9e4066Sahrens nvlist_t *file; 787fa9e4066Sahrens 788e14bb325SJeff Bonwick if (ashift == 0) 789e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 790e14bb325SJeff Bonwick 791e14bb325SJeff Bonwick if (path == NULL) { 792e14bb325SJeff Bonwick path = pathbuf; 793fa9e4066Sahrens 794e14bb325SJeff Bonwick if (aux != NULL) { 795e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 796*420dfc95SChris Siden (void) snprintf(path, sizeof (pathbuf), 797*420dfc95SChris Siden ztest_aux_template, ztest_opts.zo_dir, 798*420dfc95SChris Siden ztest_opts.zo_pool, aux, vdev); 799e14bb325SJeff Bonwick } else { 80088ecc943SGeorge Wilson vdev = ztest_shared->zs_vdev_next_leaf++; 801*420dfc95SChris Siden (void) snprintf(path, sizeof (pathbuf), 802*420dfc95SChris Siden ztest_dev_template, ztest_opts.zo_dir, 803*420dfc95SChris Siden ztest_opts.zo_pool, vdev); 804e14bb325SJeff Bonwick } 805e14bb325SJeff Bonwick } 806e14bb325SJeff Bonwick 807e14bb325SJeff Bonwick if (size != 0) { 808e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 809fa9e4066Sahrens if (fd == -1) 810e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 811fa9e4066Sahrens if (ftruncate(fd, size) != 0) 812e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 813fa9e4066Sahrens (void) close(fd); 814fa9e4066Sahrens } 815fa9e4066Sahrens 816fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 817fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 818e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 819ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 820fa9e4066Sahrens 821fa9e4066Sahrens return (file); 822fa9e4066Sahrens } 823fa9e4066Sahrens 824fa9e4066Sahrens static nvlist_t * 825e14bb325SJeff Bonwick make_vdev_raidz(char *path, char *aux, size_t size, uint64_t ashift, int r) 826fa9e4066Sahrens { 827fa9e4066Sahrens nvlist_t *raidz, **child; 828fa9e4066Sahrens int c; 829fa9e4066Sahrens 830fa9e4066Sahrens if (r < 2) 831e14bb325SJeff Bonwick return (make_vdev_file(path, aux, size, ashift)); 832fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 833fa9e4066Sahrens 834fa9e4066Sahrens for (c = 0; c < r; c++) 835e14bb325SJeff Bonwick child[c] = make_vdev_file(path, aux, size, ashift); 836fa9e4066Sahrens 837fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 838fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 839fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 84099653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 841*420dfc95SChris Siden ztest_opts.zo_raidz_parity) == 0); 842fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 843fa9e4066Sahrens child, r) == 0); 844fa9e4066Sahrens 845fa9e4066Sahrens for (c = 0; c < r; c++) 846fa9e4066Sahrens nvlist_free(child[c]); 847fa9e4066Sahrens 848fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 849fa9e4066Sahrens 850fa9e4066Sahrens return (raidz); 851fa9e4066Sahrens } 852fa9e4066Sahrens 853fa9e4066Sahrens static nvlist_t * 854e14bb325SJeff Bonwick make_vdev_mirror(char *path, char *aux, size_t size, uint64_t ashift, 85531157203SJeff Bonwick int r, int m) 856fa9e4066Sahrens { 857fa9e4066Sahrens nvlist_t *mirror, **child; 858fa9e4066Sahrens int c; 859fa9e4066Sahrens 860fa9e4066Sahrens if (m < 1) 861e14bb325SJeff Bonwick return (make_vdev_raidz(path, aux, size, ashift, r)); 862fa9e4066Sahrens 863fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 864fa9e4066Sahrens 865fa9e4066Sahrens for (c = 0; c < m; c++) 866e14bb325SJeff Bonwick child[c] = make_vdev_raidz(path, aux, size, ashift, r); 867fa9e4066Sahrens 868fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 869fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 870fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 871fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 872fa9e4066Sahrens child, m) == 0); 873fa9e4066Sahrens 874fa9e4066Sahrens for (c = 0; c < m; c++) 875fa9e4066Sahrens nvlist_free(child[c]); 876fa9e4066Sahrens 877fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 878fa9e4066Sahrens 879fa9e4066Sahrens return (mirror); 880fa9e4066Sahrens } 881fa9e4066Sahrens 882fa9e4066Sahrens static nvlist_t * 883e14bb325SJeff Bonwick make_vdev_root(char *path, char *aux, size_t size, uint64_t ashift, 884e14bb325SJeff Bonwick int log, int r, int m, int t) 885fa9e4066Sahrens { 886fa9e4066Sahrens nvlist_t *root, **child; 887fa9e4066Sahrens int c; 888fa9e4066Sahrens 889fa9e4066Sahrens ASSERT(t > 0); 890fa9e4066Sahrens 891fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 892fa9e4066Sahrens 89331157203SJeff Bonwick for (c = 0; c < t; c++) { 89431157203SJeff Bonwick child[c] = make_vdev_mirror(path, aux, size, ashift, r, m); 89531157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 89631157203SJeff Bonwick log) == 0); 89731157203SJeff Bonwick } 898fa9e4066Sahrens 899fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 900fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 901e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 902fa9e4066Sahrens child, t) == 0); 903fa9e4066Sahrens 904fa9e4066Sahrens for (c = 0; c < t; c++) 905fa9e4066Sahrens nvlist_free(child[c]); 906fa9e4066Sahrens 907fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 908fa9e4066Sahrens 909fa9e4066Sahrens return (root); 910fa9e4066Sahrens } 911fa9e4066Sahrens 912b24ab676SJeff Bonwick static int 913b24ab676SJeff Bonwick ztest_random_blocksize(void) 914fa9e4066Sahrens { 915b24ab676SJeff Bonwick return (1 << (SPA_MINBLOCKSHIFT + 916b24ab676SJeff Bonwick ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1))); 917b24ab676SJeff Bonwick } 918fa9e4066Sahrens 919b24ab676SJeff Bonwick static int 920b24ab676SJeff Bonwick ztest_random_ibshift(void) 921b24ab676SJeff Bonwick { 922b24ab676SJeff Bonwick return (DN_MIN_INDBLKSHIFT + 923b24ab676SJeff Bonwick ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1)); 924fa9e4066Sahrens } 925fa9e4066Sahrens 926b24ab676SJeff Bonwick static uint64_t 927b24ab676SJeff Bonwick ztest_random_vdev_top(spa_t *spa, boolean_t log_ok) 928fa9e4066Sahrens { 929b24ab676SJeff Bonwick uint64_t top; 930b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 931b24ab676SJeff Bonwick vdev_t *tvd; 932fa9e4066Sahrens 933b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0); 934fa9e4066Sahrens 935b24ab676SJeff Bonwick do { 936b24ab676SJeff Bonwick top = ztest_random(rvd->vdev_children); 937b24ab676SJeff Bonwick tvd = rvd->vdev_child[top]; 938b24ab676SJeff Bonwick } while (tvd->vdev_ishole || (tvd->vdev_islog && !log_ok) || 939b24ab676SJeff Bonwick tvd->vdev_mg == NULL || tvd->vdev_mg->mg_class == NULL); 940fa9e4066Sahrens 941b24ab676SJeff Bonwick return (top); 942fa9e4066Sahrens } 943fa9e4066Sahrens 944b24ab676SJeff Bonwick static uint64_t 945b24ab676SJeff Bonwick ztest_random_dsl_prop(zfs_prop_t prop) 946fa9e4066Sahrens { 947b24ab676SJeff Bonwick uint64_t value; 948b24ab676SJeff Bonwick 949b24ab676SJeff Bonwick do { 950b24ab676SJeff Bonwick value = zfs_prop_random_value(prop, ztest_random(-1ULL)); 951b24ab676SJeff Bonwick } while (prop == ZFS_PROP_CHECKSUM && value == ZIO_CHECKSUM_OFF); 952b24ab676SJeff Bonwick 953b24ab676SJeff Bonwick return (value); 954fa9e4066Sahrens } 955fa9e4066Sahrens 956fa9e4066Sahrens static int 957b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(char *osname, zfs_prop_t prop, uint64_t value, 958b24ab676SJeff Bonwick boolean_t inherit) 959fa9e4066Sahrens { 960b24ab676SJeff Bonwick const char *propname = zfs_prop_to_name(prop); 961b24ab676SJeff Bonwick const char *valname; 962b24ab676SJeff Bonwick char setpoint[MAXPATHLEN]; 963b24ab676SJeff Bonwick uint64_t curval; 964fa9e4066Sahrens int error; 965fa9e4066Sahrens 96692241e0bSTom Erickson error = dsl_prop_set(osname, propname, 96792241e0bSTom Erickson (inherit ? ZPROP_SRC_NONE : ZPROP_SRC_LOCAL), 96892241e0bSTom Erickson sizeof (value), 1, &value); 969fa9e4066Sahrens 970b24ab676SJeff Bonwick if (error == ENOSPC) { 971b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 972fa9e4066Sahrens return (error); 973fa9e4066Sahrens } 97499653d4eSeschrock ASSERT3U(error, ==, 0); 975fa9e4066Sahrens 976b24ab676SJeff Bonwick VERIFY3U(dsl_prop_get(osname, propname, sizeof (curval), 977b24ab676SJeff Bonwick 1, &curval, setpoint), ==, 0); 978b24ab676SJeff Bonwick 979*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 980b24ab676SJeff Bonwick VERIFY(zfs_prop_index_to_string(prop, curval, &valname) == 0); 981b24ab676SJeff Bonwick (void) printf("%s %s = %s at '%s'\n", 982b24ab676SJeff Bonwick osname, propname, valname, setpoint); 983fa9e4066Sahrens } 984fa9e4066Sahrens 985fa9e4066Sahrens return (error); 986fa9e4066Sahrens } 987fa9e4066Sahrens 988fa9e4066Sahrens static int 989*420dfc95SChris Siden ztest_spa_prop_set_uint64(zpool_prop_t prop, uint64_t value) 990fa9e4066Sahrens { 991*420dfc95SChris Siden spa_t *spa = ztest_spa; 992b24ab676SJeff Bonwick nvlist_t *props = NULL; 993fa9e4066Sahrens int error; 994fa9e4066Sahrens 995b24ab676SJeff Bonwick VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 996b24ab676SJeff Bonwick VERIFY(nvlist_add_uint64(props, zpool_prop_to_name(prop), value) == 0); 997fa9e4066Sahrens 998b24ab676SJeff Bonwick error = spa_prop_set(spa, props); 999b24ab676SJeff Bonwick 1000b24ab676SJeff Bonwick nvlist_free(props); 1001b24ab676SJeff Bonwick 1002b24ab676SJeff Bonwick if (error == ENOSPC) { 1003b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 1004fa9e4066Sahrens return (error); 1005fa9e4066Sahrens } 1006b24ab676SJeff Bonwick ASSERT3U(error, ==, 0); 1007fa9e4066Sahrens 1008fa9e4066Sahrens return (error); 1009fa9e4066Sahrens } 1010fa9e4066Sahrens 1011b24ab676SJeff Bonwick static void 1012b24ab676SJeff Bonwick ztest_rll_init(rll_t *rll) 1013b24ab676SJeff Bonwick { 1014b24ab676SJeff Bonwick rll->rll_writer = NULL; 1015b24ab676SJeff Bonwick rll->rll_readers = 0; 1016b24ab676SJeff Bonwick VERIFY(_mutex_init(&rll->rll_lock, USYNC_THREAD, NULL) == 0); 1017b24ab676SJeff Bonwick VERIFY(cond_init(&rll->rll_cv, USYNC_THREAD, NULL) == 0); 1018b24ab676SJeff Bonwick } 1019fa9e4066Sahrens 1020b24ab676SJeff Bonwick static void 1021b24ab676SJeff Bonwick ztest_rll_destroy(rll_t *rll) 1022fa9e4066Sahrens { 1023b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 1024b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 1025b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&rll->rll_lock) == 0); 1026b24ab676SJeff Bonwick VERIFY(cond_destroy(&rll->rll_cv) == 0); 1027b24ab676SJeff Bonwick } 1028fa9e4066Sahrens 1029b24ab676SJeff Bonwick static void 1030b24ab676SJeff Bonwick ztest_rll_lock(rll_t *rll, rl_type_t type) 1031b24ab676SJeff Bonwick { 1032b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 1033fa9e4066Sahrens 1034b24ab676SJeff Bonwick if (type == RL_READER) { 1035b24ab676SJeff Bonwick while (rll->rll_writer != NULL) 1036b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 1037b24ab676SJeff Bonwick rll->rll_readers++; 1038b24ab676SJeff Bonwick } else { 1039b24ab676SJeff Bonwick while (rll->rll_writer != NULL || rll->rll_readers) 1040b24ab676SJeff Bonwick (void) cond_wait(&rll->rll_cv, &rll->rll_lock); 1041b24ab676SJeff Bonwick rll->rll_writer = curthread; 1042b24ab676SJeff Bonwick } 1043fa9e4066Sahrens 1044b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 1045b24ab676SJeff Bonwick } 1046fa9e4066Sahrens 1047b24ab676SJeff Bonwick static void 1048b24ab676SJeff Bonwick ztest_rll_unlock(rll_t *rll) 1049b24ab676SJeff Bonwick { 1050b24ab676SJeff Bonwick VERIFY(mutex_lock(&rll->rll_lock) == 0); 1051fa9e4066Sahrens 1052b24ab676SJeff Bonwick if (rll->rll_writer) { 1053b24ab676SJeff Bonwick ASSERT(rll->rll_readers == 0); 1054b24ab676SJeff Bonwick rll->rll_writer = NULL; 1055b24ab676SJeff Bonwick } else { 1056b24ab676SJeff Bonwick ASSERT(rll->rll_readers != 0); 1057b24ab676SJeff Bonwick ASSERT(rll->rll_writer == NULL); 1058b24ab676SJeff Bonwick rll->rll_readers--; 1059b24ab676SJeff Bonwick } 1060fa9e4066Sahrens 1061b24ab676SJeff Bonwick if (rll->rll_writer == NULL && rll->rll_readers == 0) 1062b24ab676SJeff Bonwick VERIFY(cond_broadcast(&rll->rll_cv) == 0); 1063b24ab676SJeff Bonwick 1064b24ab676SJeff Bonwick VERIFY(mutex_unlock(&rll->rll_lock) == 0); 1065fa9e4066Sahrens } 1066fa9e4066Sahrens 1067b24ab676SJeff Bonwick static void 1068b24ab676SJeff Bonwick ztest_object_lock(ztest_ds_t *zd, uint64_t object, rl_type_t type) 106931157203SJeff Bonwick { 1070b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 107131157203SJeff Bonwick 1072b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 1073b24ab676SJeff Bonwick } 107431157203SJeff Bonwick 1075b24ab676SJeff Bonwick static void 1076b24ab676SJeff Bonwick ztest_object_unlock(ztest_ds_t *zd, uint64_t object) 1077b24ab676SJeff Bonwick { 1078b24ab676SJeff Bonwick rll_t *rll = &zd->zd_object_lock[object & (ZTEST_OBJECT_LOCKS - 1)]; 107931157203SJeff Bonwick 1080b24ab676SJeff Bonwick ztest_rll_unlock(rll); 108131157203SJeff Bonwick } 108231157203SJeff Bonwick 1083b24ab676SJeff Bonwick static rl_t * 1084b24ab676SJeff Bonwick ztest_range_lock(ztest_ds_t *zd, uint64_t object, uint64_t offset, 1085b24ab676SJeff Bonwick uint64_t size, rl_type_t type) 108688ecc943SGeorge Wilson { 1087b24ab676SJeff Bonwick uint64_t hash = object ^ (offset % (ZTEST_RANGE_LOCKS + 1)); 1088b24ab676SJeff Bonwick rll_t *rll = &zd->zd_range_lock[hash & (ZTEST_RANGE_LOCKS - 1)]; 1089b24ab676SJeff Bonwick rl_t *rl; 109088ecc943SGeorge Wilson 1091b24ab676SJeff Bonwick rl = umem_alloc(sizeof (*rl), UMEM_NOFAIL); 1092b24ab676SJeff Bonwick rl->rl_object = object; 1093b24ab676SJeff Bonwick rl->rl_offset = offset; 1094b24ab676SJeff Bonwick rl->rl_size = size; 1095b24ab676SJeff Bonwick rl->rl_lock = rll; 109688ecc943SGeorge Wilson 1097b24ab676SJeff Bonwick ztest_rll_lock(rll, type); 109888ecc943SGeorge Wilson 1099b24ab676SJeff Bonwick return (rl); 110088ecc943SGeorge Wilson } 110188ecc943SGeorge Wilson 1102b24ab676SJeff Bonwick static void 1103b24ab676SJeff Bonwick ztest_range_unlock(rl_t *rl) 1104fa9e4066Sahrens { 1105b24ab676SJeff Bonwick rll_t *rll = rl->rl_lock; 1106fa9e4066Sahrens 1107b24ab676SJeff Bonwick ztest_rll_unlock(rll); 1108fa9e4066Sahrens 1109b24ab676SJeff Bonwick umem_free(rl, sizeof (*rl)); 1110b24ab676SJeff Bonwick } 1111fa9e4066Sahrens 1112b24ab676SJeff Bonwick static void 1113*420dfc95SChris Siden ztest_zd_init(ztest_ds_t *zd, ztest_shared_ds_t *szd, objset_t *os) 1114b24ab676SJeff Bonwick { 1115b24ab676SJeff Bonwick zd->zd_os = os; 1116b24ab676SJeff Bonwick zd->zd_zilog = dmu_objset_zil(os); 1117*420dfc95SChris Siden zd->zd_shared = szd; 1118b24ab676SJeff Bonwick dmu_objset_name(os, zd->zd_name); 1119fa9e4066Sahrens 1120*420dfc95SChris Siden if (zd->zd_shared != NULL) 1121*420dfc95SChris Siden zd->zd_shared->zd_seq = 0; 1122*420dfc95SChris Siden 1123c9ba2a43SEric Schrock VERIFY(rwlock_init(&zd->zd_zilog_lock, USYNC_THREAD, NULL) == 0); 1124b24ab676SJeff Bonwick VERIFY(_mutex_init(&zd->zd_dirobj_lock, USYNC_THREAD, NULL) == 0); 1125b24ab676SJeff Bonwick 1126b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1127b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_object_lock[l]); 1128b24ab676SJeff Bonwick 1129b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1130b24ab676SJeff Bonwick ztest_rll_init(&zd->zd_range_lock[l]); 1131b24ab676SJeff Bonwick } 1132b24ab676SJeff Bonwick 1133b24ab676SJeff Bonwick static void 1134b24ab676SJeff Bonwick ztest_zd_fini(ztest_ds_t *zd) 1135b24ab676SJeff Bonwick { 1136b24ab676SJeff Bonwick VERIFY(_mutex_destroy(&zd->zd_dirobj_lock) == 0); 1137b24ab676SJeff Bonwick 1138b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++) 1139b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_object_lock[l]); 1140b24ab676SJeff Bonwick 1141b24ab676SJeff Bonwick for (int l = 0; l < ZTEST_RANGE_LOCKS; l++) 1142b24ab676SJeff Bonwick ztest_rll_destroy(&zd->zd_range_lock[l]); 1143b24ab676SJeff Bonwick } 1144b24ab676SJeff Bonwick 1145b24ab676SJeff Bonwick #define TXG_MIGHTWAIT (ztest_random(10) == 0 ? TXG_NOWAIT : TXG_WAIT) 1146b24ab676SJeff Bonwick 1147b24ab676SJeff Bonwick static uint64_t 1148b24ab676SJeff Bonwick ztest_tx_assign(dmu_tx_t *tx, uint64_t txg_how, const char *tag) 1149b24ab676SJeff Bonwick { 1150b24ab676SJeff Bonwick uint64_t txg; 1151b24ab676SJeff Bonwick int error; 1152b24ab676SJeff Bonwick 1153b24ab676SJeff Bonwick /* 1154b24ab676SJeff Bonwick * Attempt to assign tx to some transaction group. 1155b24ab676SJeff Bonwick */ 1156b24ab676SJeff Bonwick error = dmu_tx_assign(tx, txg_how); 1157b24ab676SJeff Bonwick if (error) { 1158b24ab676SJeff Bonwick if (error == ERESTART) { 1159b24ab676SJeff Bonwick ASSERT(txg_how == TXG_NOWAIT); 1160b24ab676SJeff Bonwick dmu_tx_wait(tx); 1161b24ab676SJeff Bonwick } else { 1162b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1163b24ab676SJeff Bonwick ztest_record_enospc(tag); 1164b24ab676SJeff Bonwick } 1165b24ab676SJeff Bonwick dmu_tx_abort(tx); 1166b24ab676SJeff Bonwick return (0); 1167b24ab676SJeff Bonwick } 1168b24ab676SJeff Bonwick txg = dmu_tx_get_txg(tx); 1169b24ab676SJeff Bonwick ASSERT(txg != 0); 1170b24ab676SJeff Bonwick return (txg); 1171b24ab676SJeff Bonwick } 1172b24ab676SJeff Bonwick 1173b24ab676SJeff Bonwick static void 1174b24ab676SJeff Bonwick ztest_pattern_set(void *buf, uint64_t size, uint64_t value) 1175b24ab676SJeff Bonwick { 1176b24ab676SJeff Bonwick uint64_t *ip = buf; 1177b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1178b24ab676SJeff Bonwick 1179b24ab676SJeff Bonwick while (ip < ip_end) 1180b24ab676SJeff Bonwick *ip++ = value; 1181b24ab676SJeff Bonwick } 1182b24ab676SJeff Bonwick 1183b24ab676SJeff Bonwick static boolean_t 1184b24ab676SJeff Bonwick ztest_pattern_match(void *buf, uint64_t size, uint64_t value) 1185b24ab676SJeff Bonwick { 1186b24ab676SJeff Bonwick uint64_t *ip = buf; 1187b24ab676SJeff Bonwick uint64_t *ip_end = (uint64_t *)((uintptr_t)buf + (uintptr_t)size); 1188b24ab676SJeff Bonwick uint64_t diff = 0; 1189b24ab676SJeff Bonwick 1190b24ab676SJeff Bonwick while (ip < ip_end) 1191b24ab676SJeff Bonwick diff |= (value - *ip++); 1192b24ab676SJeff Bonwick 1193b24ab676SJeff Bonwick return (diff == 0); 1194b24ab676SJeff Bonwick } 1195b24ab676SJeff Bonwick 1196b24ab676SJeff Bonwick static void 1197b24ab676SJeff Bonwick ztest_bt_generate(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1198b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1199b24ab676SJeff Bonwick { 1200b24ab676SJeff Bonwick bt->bt_magic = BT_MAGIC; 1201b24ab676SJeff Bonwick bt->bt_objset = dmu_objset_id(os); 1202b24ab676SJeff Bonwick bt->bt_object = object; 1203b24ab676SJeff Bonwick bt->bt_offset = offset; 1204b24ab676SJeff Bonwick bt->bt_gen = gen; 1205b24ab676SJeff Bonwick bt->bt_txg = txg; 1206b24ab676SJeff Bonwick bt->bt_crtxg = crtxg; 1207b24ab676SJeff Bonwick } 1208b24ab676SJeff Bonwick 1209b24ab676SJeff Bonwick static void 1210b24ab676SJeff Bonwick ztest_bt_verify(ztest_block_tag_t *bt, objset_t *os, uint64_t object, 1211b24ab676SJeff Bonwick uint64_t offset, uint64_t gen, uint64_t txg, uint64_t crtxg) 1212b24ab676SJeff Bonwick { 1213b24ab676SJeff Bonwick ASSERT(bt->bt_magic == BT_MAGIC); 1214b24ab676SJeff Bonwick ASSERT(bt->bt_objset == dmu_objset_id(os)); 1215b24ab676SJeff Bonwick ASSERT(bt->bt_object == object); 1216b24ab676SJeff Bonwick ASSERT(bt->bt_offset == offset); 1217b24ab676SJeff Bonwick ASSERT(bt->bt_gen <= gen); 1218b24ab676SJeff Bonwick ASSERT(bt->bt_txg <= txg); 1219b24ab676SJeff Bonwick ASSERT(bt->bt_crtxg == crtxg); 1220b24ab676SJeff Bonwick } 1221b24ab676SJeff Bonwick 1222b24ab676SJeff Bonwick static ztest_block_tag_t * 1223b24ab676SJeff Bonwick ztest_bt_bonus(dmu_buf_t *db) 1224b24ab676SJeff Bonwick { 1225b24ab676SJeff Bonwick dmu_object_info_t doi; 1226b24ab676SJeff Bonwick ztest_block_tag_t *bt; 1227b24ab676SJeff Bonwick 1228b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1229b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, <=, db->db_size); 1230b24ab676SJeff Bonwick ASSERT3U(doi.doi_bonus_size, >=, sizeof (*bt)); 1231b24ab676SJeff Bonwick bt = (void *)((char *)db->db_data + doi.doi_bonus_size - sizeof (*bt)); 1232b24ab676SJeff Bonwick 1233b24ab676SJeff Bonwick return (bt); 1234b24ab676SJeff Bonwick } 1235b24ab676SJeff Bonwick 1236b24ab676SJeff Bonwick /* 1237b24ab676SJeff Bonwick * ZIL logging ops 1238b24ab676SJeff Bonwick */ 1239b24ab676SJeff Bonwick 1240b24ab676SJeff Bonwick #define lrz_type lr_mode 1241b24ab676SJeff Bonwick #define lrz_blocksize lr_uid 1242b24ab676SJeff Bonwick #define lrz_ibshift lr_gid 1243b24ab676SJeff Bonwick #define lrz_bonustype lr_rdev 1244b24ab676SJeff Bonwick #define lrz_bonuslen lr_crtime[1] 1245b24ab676SJeff Bonwick 12465002558fSNeil Perrin static void 1247b24ab676SJeff Bonwick ztest_log_create(ztest_ds_t *zd, dmu_tx_t *tx, lr_create_t *lr) 1248b24ab676SJeff Bonwick { 1249b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1250b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1251b24ab676SJeff Bonwick itx_t *itx; 1252b24ab676SJeff Bonwick 1253b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 12545002558fSNeil Perrin return; 1255b24ab676SJeff Bonwick 1256b24ab676SJeff Bonwick itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize); 1257b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1258b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1259b24ab676SJeff Bonwick 12605002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1261b24ab676SJeff Bonwick } 1262b24ab676SJeff Bonwick 12635002558fSNeil Perrin static void 12645002558fSNeil Perrin ztest_log_remove(ztest_ds_t *zd, dmu_tx_t *tx, lr_remove_t *lr, uint64_t object) 1265b24ab676SJeff Bonwick { 1266b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1267b24ab676SJeff Bonwick size_t namesize = strlen(name) + 1; 1268b24ab676SJeff Bonwick itx_t *itx; 1269b24ab676SJeff Bonwick 1270b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 12715002558fSNeil Perrin return; 1272b24ab676SJeff Bonwick 1273b24ab676SJeff Bonwick itx = zil_itx_create(TX_REMOVE, sizeof (*lr) + namesize); 1274b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1275b24ab676SJeff Bonwick sizeof (*lr) + namesize - sizeof (lr_t)); 1276b24ab676SJeff Bonwick 127751bd2f97SNeil Perrin itx->itx_oid = object; 12785002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1279b24ab676SJeff Bonwick } 1280b24ab676SJeff Bonwick 12815002558fSNeil Perrin static void 1282b24ab676SJeff Bonwick ztest_log_write(ztest_ds_t *zd, dmu_tx_t *tx, lr_write_t *lr) 1283b24ab676SJeff Bonwick { 1284b24ab676SJeff Bonwick itx_t *itx; 1285b24ab676SJeff Bonwick itx_wr_state_t write_state = ztest_random(WR_NUM_STATES); 1286b24ab676SJeff Bonwick 1287b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 12885002558fSNeil Perrin return; 1289b24ab676SJeff Bonwick 1290b24ab676SJeff Bonwick if (lr->lr_length > ZIL_MAX_LOG_DATA) 1291b24ab676SJeff Bonwick write_state = WR_INDIRECT; 1292b24ab676SJeff Bonwick 1293b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, 1294b24ab676SJeff Bonwick sizeof (*lr) + (write_state == WR_COPIED ? lr->lr_length : 0)); 1295b24ab676SJeff Bonwick 1296b24ab676SJeff Bonwick if (write_state == WR_COPIED && 1297b24ab676SJeff Bonwick dmu_read(zd->zd_os, lr->lr_foid, lr->lr_offset, lr->lr_length, 1298b24ab676SJeff Bonwick ((lr_write_t *)&itx->itx_lr) + 1, DMU_READ_NO_PREFETCH) != 0) { 1299b24ab676SJeff Bonwick zil_itx_destroy(itx); 1300b24ab676SJeff Bonwick itx = zil_itx_create(TX_WRITE, sizeof (*lr)); 1301b24ab676SJeff Bonwick write_state = WR_NEED_COPY; 1302b24ab676SJeff Bonwick } 1303b24ab676SJeff Bonwick itx->itx_private = zd; 1304b24ab676SJeff Bonwick itx->itx_wr_state = write_state; 1305b24ab676SJeff Bonwick itx->itx_sync = (ztest_random(8) == 0); 1306b24ab676SJeff Bonwick itx->itx_sod += (write_state == WR_NEED_COPY ? lr->lr_length : 0); 1307b24ab676SJeff Bonwick 1308b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1309b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1310b24ab676SJeff Bonwick 13115002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1312b24ab676SJeff Bonwick } 1313b24ab676SJeff Bonwick 13145002558fSNeil Perrin static void 1315b24ab676SJeff Bonwick ztest_log_truncate(ztest_ds_t *zd, dmu_tx_t *tx, lr_truncate_t *lr) 1316b24ab676SJeff Bonwick { 1317b24ab676SJeff Bonwick itx_t *itx; 1318b24ab676SJeff Bonwick 1319b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13205002558fSNeil Perrin return; 1321b24ab676SJeff Bonwick 1322b24ab676SJeff Bonwick itx = zil_itx_create(TX_TRUNCATE, sizeof (*lr)); 1323b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1324b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1325b24ab676SJeff Bonwick 13265002558fSNeil Perrin itx->itx_sync = B_FALSE; 13275002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1328b24ab676SJeff Bonwick } 1329b24ab676SJeff Bonwick 13305002558fSNeil Perrin static void 1331b24ab676SJeff Bonwick ztest_log_setattr(ztest_ds_t *zd, dmu_tx_t *tx, lr_setattr_t *lr) 1332b24ab676SJeff Bonwick { 1333b24ab676SJeff Bonwick itx_t *itx; 1334b24ab676SJeff Bonwick 1335b24ab676SJeff Bonwick if (zil_replaying(zd->zd_zilog, tx)) 13365002558fSNeil Perrin return; 1337b24ab676SJeff Bonwick 1338b24ab676SJeff Bonwick itx = zil_itx_create(TX_SETATTR, sizeof (*lr)); 1339b24ab676SJeff Bonwick bcopy(&lr->lr_common + 1, &itx->itx_lr + 1, 1340b24ab676SJeff Bonwick sizeof (*lr) - sizeof (lr_t)); 1341b24ab676SJeff Bonwick 13425002558fSNeil Perrin itx->itx_sync = B_FALSE; 13435002558fSNeil Perrin zil_itx_assign(zd->zd_zilog, itx, tx); 1344b24ab676SJeff Bonwick } 1345b24ab676SJeff Bonwick 1346b24ab676SJeff Bonwick /* 1347b24ab676SJeff Bonwick * ZIL replay ops 1348b24ab676SJeff Bonwick */ 1349b24ab676SJeff Bonwick static int 1350b24ab676SJeff Bonwick ztest_replay_create(ztest_ds_t *zd, lr_create_t *lr, boolean_t byteswap) 1351b24ab676SJeff Bonwick { 1352b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1353b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1354b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1355b24ab676SJeff Bonwick dmu_buf_t *db; 1356b24ab676SJeff Bonwick dmu_tx_t *tx; 1357b24ab676SJeff Bonwick uint64_t txg; 1358b24ab676SJeff Bonwick int error = 0; 1359b24ab676SJeff Bonwick 1360b24ab676SJeff Bonwick if (byteswap) 1361b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1362b24ab676SJeff Bonwick 1363b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1364b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1365b24ab676SJeff Bonwick 1366b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1367b24ab676SJeff Bonwick 1368b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_TRUE, name); 1369b24ab676SJeff Bonwick 1370b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1371b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, B_TRUE, NULL); 1372b24ab676SJeff Bonwick } else { 1373b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1374b24ab676SJeff Bonwick } 1375b24ab676SJeff Bonwick 1376b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1377b24ab676SJeff Bonwick if (txg == 0) 1378b24ab676SJeff Bonwick return (ENOSPC); 1379b24ab676SJeff Bonwick 1380b24ab676SJeff Bonwick ASSERT(dmu_objset_zil(os)->zl_replay == !!lr->lr_foid); 1381b24ab676SJeff Bonwick 1382b24ab676SJeff Bonwick if (lr->lrz_type == DMU_OT_ZAP_OTHER) { 1383b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1384b24ab676SJeff Bonwick lr->lr_foid = zap_create(os, 1385b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1386b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1387b24ab676SJeff Bonwick } else { 1388b24ab676SJeff Bonwick error = zap_create_claim(os, lr->lr_foid, 1389b24ab676SJeff Bonwick lr->lrz_type, lr->lrz_bonustype, 1390b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1391b24ab676SJeff Bonwick } 1392b24ab676SJeff Bonwick } else { 1393b24ab676SJeff Bonwick if (lr->lr_foid == 0) { 1394b24ab676SJeff Bonwick lr->lr_foid = dmu_object_alloc(os, 1395b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1396b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1397b24ab676SJeff Bonwick } else { 1398b24ab676SJeff Bonwick error = dmu_object_claim(os, lr->lr_foid, 1399b24ab676SJeff Bonwick lr->lrz_type, 0, lr->lrz_bonustype, 1400b24ab676SJeff Bonwick lr->lrz_bonuslen, tx); 1401b24ab676SJeff Bonwick } 1402b24ab676SJeff Bonwick } 1403b24ab676SJeff Bonwick 1404b24ab676SJeff Bonwick if (error) { 1405b24ab676SJeff Bonwick ASSERT3U(error, ==, EEXIST); 1406b24ab676SJeff Bonwick ASSERT(zd->zd_zilog->zl_replay); 1407b24ab676SJeff Bonwick dmu_tx_commit(tx); 1408b24ab676SJeff Bonwick return (error); 1409b24ab676SJeff Bonwick } 1410b24ab676SJeff Bonwick 1411b24ab676SJeff Bonwick ASSERT(lr->lr_foid != 0); 1412b24ab676SJeff Bonwick 1413b24ab676SJeff Bonwick if (lr->lrz_type != DMU_OT_ZAP_OTHER) 1414b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_object_set_blocksize(os, lr->lr_foid, 1415b24ab676SJeff Bonwick lr->lrz_blocksize, lr->lrz_ibshift, tx)); 1416b24ab676SJeff Bonwick 1417b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1418b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1419b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1420b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_gen, txg, txg); 1421b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1422b24ab676SJeff Bonwick 1423b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_add(os, lr->lr_doid, name, sizeof (uint64_t), 1, 1424b24ab676SJeff Bonwick &lr->lr_foid, tx)); 1425b24ab676SJeff Bonwick 1426b24ab676SJeff Bonwick (void) ztest_log_create(zd, tx, lr); 1427b24ab676SJeff Bonwick 1428b24ab676SJeff Bonwick dmu_tx_commit(tx); 1429b24ab676SJeff Bonwick 1430b24ab676SJeff Bonwick return (0); 1431b24ab676SJeff Bonwick } 1432b24ab676SJeff Bonwick 1433b24ab676SJeff Bonwick static int 1434b24ab676SJeff Bonwick ztest_replay_remove(ztest_ds_t *zd, lr_remove_t *lr, boolean_t byteswap) 1435b24ab676SJeff Bonwick { 1436b24ab676SJeff Bonwick char *name = (void *)(lr + 1); /* name follows lr */ 1437b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1438b24ab676SJeff Bonwick dmu_object_info_t doi; 1439b24ab676SJeff Bonwick dmu_tx_t *tx; 1440b24ab676SJeff Bonwick uint64_t object, txg; 1441b24ab676SJeff Bonwick 1442b24ab676SJeff Bonwick if (byteswap) 1443b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1444b24ab676SJeff Bonwick 1445b24ab676SJeff Bonwick ASSERT(lr->lr_doid == ZTEST_DIROBJ); 1446b24ab676SJeff Bonwick ASSERT(name[0] != '\0'); 1447b24ab676SJeff Bonwick 1448b24ab676SJeff Bonwick VERIFY3U(0, ==, 1449b24ab676SJeff Bonwick zap_lookup(os, lr->lr_doid, name, sizeof (object), 1, &object)); 1450b24ab676SJeff Bonwick ASSERT(object != 0); 1451b24ab676SJeff Bonwick 1452b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_WRITER); 1453b24ab676SJeff Bonwick 1454b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_object_info(os, object, &doi)); 1455b24ab676SJeff Bonwick 1456b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1457b24ab676SJeff Bonwick 1458b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, lr->lr_doid, B_FALSE, name); 1459b24ab676SJeff Bonwick dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1460b24ab676SJeff Bonwick 1461b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1462b24ab676SJeff Bonwick if (txg == 0) { 1463b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1464b24ab676SJeff Bonwick return (ENOSPC); 1465b24ab676SJeff Bonwick } 1466b24ab676SJeff Bonwick 1467b24ab676SJeff Bonwick if (doi.doi_type == DMU_OT_ZAP_OTHER) { 1468b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_destroy(os, object, tx)); 1469b24ab676SJeff Bonwick } else { 1470b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_object_free(os, object, tx)); 1471b24ab676SJeff Bonwick } 1472b24ab676SJeff Bonwick 1473b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, lr->lr_doid, name, tx)); 1474b24ab676SJeff Bonwick 14755002558fSNeil Perrin (void) ztest_log_remove(zd, tx, lr, object); 1476b24ab676SJeff Bonwick 1477b24ab676SJeff Bonwick dmu_tx_commit(tx); 1478b24ab676SJeff Bonwick 1479b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1480b24ab676SJeff Bonwick 1481b24ab676SJeff Bonwick return (0); 1482b24ab676SJeff Bonwick } 1483b24ab676SJeff Bonwick 1484b24ab676SJeff Bonwick static int 1485b24ab676SJeff Bonwick ztest_replay_write(ztest_ds_t *zd, lr_write_t *lr, boolean_t byteswap) 1486b24ab676SJeff Bonwick { 1487b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1488b24ab676SJeff Bonwick void *data = lr + 1; /* data follows lr */ 1489b24ab676SJeff Bonwick uint64_t offset, length; 1490b24ab676SJeff Bonwick ztest_block_tag_t *bt = data; 1491b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1492b24ab676SJeff Bonwick uint64_t gen, txg, lrtxg, crtxg; 1493b24ab676SJeff Bonwick dmu_object_info_t doi; 1494b24ab676SJeff Bonwick dmu_tx_t *tx; 1495b24ab676SJeff Bonwick dmu_buf_t *db; 1496b24ab676SJeff Bonwick arc_buf_t *abuf = NULL; 1497b24ab676SJeff Bonwick rl_t *rl; 1498b24ab676SJeff Bonwick 1499b24ab676SJeff Bonwick if (byteswap) 1500b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1501b24ab676SJeff Bonwick 1502b24ab676SJeff Bonwick offset = lr->lr_offset; 1503b24ab676SJeff Bonwick length = lr->lr_length; 1504b24ab676SJeff Bonwick 1505b24ab676SJeff Bonwick /* If it's a dmu_sync() block, write the whole block */ 1506b24ab676SJeff Bonwick if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 1507b24ab676SJeff Bonwick uint64_t blocksize = BP_GET_LSIZE(&lr->lr_blkptr); 1508b24ab676SJeff Bonwick if (length < blocksize) { 1509b24ab676SJeff Bonwick offset -= offset % blocksize; 1510b24ab676SJeff Bonwick length = blocksize; 1511b24ab676SJeff Bonwick } 1512b24ab676SJeff Bonwick } 1513b24ab676SJeff Bonwick 1514b24ab676SJeff Bonwick if (bt->bt_magic == BSWAP_64(BT_MAGIC)) 1515b24ab676SJeff Bonwick byteswap_uint64_array(bt, sizeof (*bt)); 1516b24ab676SJeff Bonwick 1517b24ab676SJeff Bonwick if (bt->bt_magic != BT_MAGIC) 1518b24ab676SJeff Bonwick bt = NULL; 1519b24ab676SJeff Bonwick 1520b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1521b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, offset, length, RL_WRITER); 1522b24ab676SJeff Bonwick 1523b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1524b24ab676SJeff Bonwick 1525b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1526b24ab676SJeff Bonwick 1527b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1528b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1529b24ab676SJeff Bonwick gen = bbt->bt_gen; 1530b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1531b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1532b24ab676SJeff Bonwick 1533b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1534b24ab676SJeff Bonwick 1535b24ab676SJeff Bonwick dmu_tx_hold_write(tx, lr->lr_foid, offset, length); 1536b24ab676SJeff Bonwick 1537b24ab676SJeff Bonwick if (ztest_random(8) == 0 && length == doi.doi_data_block_size && 1538b24ab676SJeff Bonwick P2PHASE(offset, length) == 0) 1539b24ab676SJeff Bonwick abuf = dmu_request_arcbuf(db, length); 1540b24ab676SJeff Bonwick 1541b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1542b24ab676SJeff Bonwick if (txg == 0) { 1543b24ab676SJeff Bonwick if (abuf != NULL) 1544b24ab676SJeff Bonwick dmu_return_arcbuf(abuf); 1545b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1546b24ab676SJeff Bonwick ztest_range_unlock(rl); 1547b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1548b24ab676SJeff Bonwick return (ENOSPC); 1549b24ab676SJeff Bonwick } 1550b24ab676SJeff Bonwick 1551b24ab676SJeff Bonwick if (bt != NULL) { 1552b24ab676SJeff Bonwick /* 1553b24ab676SJeff Bonwick * Usually, verify the old data before writing new data -- 1554b24ab676SJeff Bonwick * but not always, because we also want to verify correct 1555b24ab676SJeff Bonwick * behavior when the data was not recently read into cache. 1556b24ab676SJeff Bonwick */ 1557b24ab676SJeff Bonwick ASSERT(offset % doi.doi_data_block_size == 0); 1558b24ab676SJeff Bonwick if (ztest_random(4) != 0) { 1559b24ab676SJeff Bonwick int prefetch = ztest_random(2) ? 1560b24ab676SJeff Bonwick DMU_READ_PREFETCH : DMU_READ_NO_PREFETCH; 1561b24ab676SJeff Bonwick ztest_block_tag_t rbt; 1562b24ab676SJeff Bonwick 1563b24ab676SJeff Bonwick VERIFY(dmu_read(os, lr->lr_foid, offset, 1564b24ab676SJeff Bonwick sizeof (rbt), &rbt, prefetch) == 0); 1565b24ab676SJeff Bonwick if (rbt.bt_magic == BT_MAGIC) { 1566b24ab676SJeff Bonwick ztest_bt_verify(&rbt, os, lr->lr_foid, 1567b24ab676SJeff Bonwick offset, gen, txg, crtxg); 1568b24ab676SJeff Bonwick } 1569b24ab676SJeff Bonwick } 1570b24ab676SJeff Bonwick 1571b24ab676SJeff Bonwick /* 1572b24ab676SJeff Bonwick * Writes can appear to be newer than the bonus buffer because 1573b24ab676SJeff Bonwick * the ztest_get_data() callback does a dmu_read() of the 1574b24ab676SJeff Bonwick * open-context data, which may be different than the data 1575b24ab676SJeff Bonwick * as it was when the write was generated. 1576b24ab676SJeff Bonwick */ 1577b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1578b24ab676SJeff Bonwick ztest_bt_verify(bt, os, lr->lr_foid, offset, 1579b24ab676SJeff Bonwick MAX(gen, bt->bt_gen), MAX(txg, lrtxg), 1580b24ab676SJeff Bonwick bt->bt_crtxg); 1581b24ab676SJeff Bonwick } 1582b24ab676SJeff Bonwick 1583b24ab676SJeff Bonwick /* 1584b24ab676SJeff Bonwick * Set the bt's gen/txg to the bonus buffer's gen/txg 1585b24ab676SJeff Bonwick * so that all of the usual ASSERTs will work. 1586b24ab676SJeff Bonwick */ 1587b24ab676SJeff Bonwick ztest_bt_generate(bt, os, lr->lr_foid, offset, gen, txg, crtxg); 1588b24ab676SJeff Bonwick } 1589b24ab676SJeff Bonwick 1590b24ab676SJeff Bonwick if (abuf == NULL) { 1591b24ab676SJeff Bonwick dmu_write(os, lr->lr_foid, offset, length, data, tx); 1592b24ab676SJeff Bonwick } else { 1593b24ab676SJeff Bonwick bcopy(data, abuf->b_data, length); 1594b24ab676SJeff Bonwick dmu_assign_arcbuf(db, offset, abuf, tx); 1595b24ab676SJeff Bonwick } 1596b24ab676SJeff Bonwick 1597b24ab676SJeff Bonwick (void) ztest_log_write(zd, tx, lr); 1598b24ab676SJeff Bonwick 1599b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1600b24ab676SJeff Bonwick 1601b24ab676SJeff Bonwick dmu_tx_commit(tx); 1602b24ab676SJeff Bonwick 1603b24ab676SJeff Bonwick ztest_range_unlock(rl); 1604b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1605b24ab676SJeff Bonwick 1606b24ab676SJeff Bonwick return (0); 1607b24ab676SJeff Bonwick } 1608b24ab676SJeff Bonwick 1609b24ab676SJeff Bonwick static int 1610b24ab676SJeff Bonwick ztest_replay_truncate(ztest_ds_t *zd, lr_truncate_t *lr, boolean_t byteswap) 1611b24ab676SJeff Bonwick { 1612b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1613b24ab676SJeff Bonwick dmu_tx_t *tx; 1614b24ab676SJeff Bonwick uint64_t txg; 1615b24ab676SJeff Bonwick rl_t *rl; 1616b24ab676SJeff Bonwick 1617b24ab676SJeff Bonwick if (byteswap) 1618b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1619b24ab676SJeff Bonwick 1620b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_READER); 1621b24ab676SJeff Bonwick rl = ztest_range_lock(zd, lr->lr_foid, lr->lr_offset, lr->lr_length, 1622b24ab676SJeff Bonwick RL_WRITER); 1623b24ab676SJeff Bonwick 1624b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1625b24ab676SJeff Bonwick 1626b24ab676SJeff Bonwick dmu_tx_hold_free(tx, lr->lr_foid, lr->lr_offset, lr->lr_length); 1627b24ab676SJeff Bonwick 1628b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1629b24ab676SJeff Bonwick if (txg == 0) { 1630b24ab676SJeff Bonwick ztest_range_unlock(rl); 1631b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1632b24ab676SJeff Bonwick return (ENOSPC); 1633b24ab676SJeff Bonwick } 1634b24ab676SJeff Bonwick 1635b24ab676SJeff Bonwick VERIFY(dmu_free_range(os, lr->lr_foid, lr->lr_offset, 1636b24ab676SJeff Bonwick lr->lr_length, tx) == 0); 1637b24ab676SJeff Bonwick 1638b24ab676SJeff Bonwick (void) ztest_log_truncate(zd, tx, lr); 1639b24ab676SJeff Bonwick 1640b24ab676SJeff Bonwick dmu_tx_commit(tx); 1641b24ab676SJeff Bonwick 1642b24ab676SJeff Bonwick ztest_range_unlock(rl); 1643b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1644b24ab676SJeff Bonwick 1645b24ab676SJeff Bonwick return (0); 1646b24ab676SJeff Bonwick } 1647b24ab676SJeff Bonwick 1648b24ab676SJeff Bonwick static int 1649b24ab676SJeff Bonwick ztest_replay_setattr(ztest_ds_t *zd, lr_setattr_t *lr, boolean_t byteswap) 1650b24ab676SJeff Bonwick { 1651b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1652b24ab676SJeff Bonwick dmu_tx_t *tx; 1653b24ab676SJeff Bonwick dmu_buf_t *db; 1654b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1655b24ab676SJeff Bonwick uint64_t txg, lrtxg, crtxg; 1656b24ab676SJeff Bonwick 1657b24ab676SJeff Bonwick if (byteswap) 1658b24ab676SJeff Bonwick byteswap_uint64_array(lr, sizeof (*lr)); 1659b24ab676SJeff Bonwick 1660b24ab676SJeff Bonwick ztest_object_lock(zd, lr->lr_foid, RL_WRITER); 1661b24ab676SJeff Bonwick 1662b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, lr->lr_foid, FTAG, &db)); 1663b24ab676SJeff Bonwick 1664b24ab676SJeff Bonwick tx = dmu_tx_create(os); 1665b24ab676SJeff Bonwick dmu_tx_hold_bonus(tx, lr->lr_foid); 1666b24ab676SJeff Bonwick 1667b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 1668b24ab676SJeff Bonwick if (txg == 0) { 1669b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1670b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1671b24ab676SJeff Bonwick return (ENOSPC); 1672b24ab676SJeff Bonwick } 1673b24ab676SJeff Bonwick 1674b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1675b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1676b24ab676SJeff Bonwick crtxg = bbt->bt_crtxg; 1677b24ab676SJeff Bonwick lrtxg = lr->lr_common.lrc_txg; 1678b24ab676SJeff Bonwick 1679b24ab676SJeff Bonwick if (zd->zd_zilog->zl_replay) { 1680b24ab676SJeff Bonwick ASSERT(lr->lr_size != 0); 1681b24ab676SJeff Bonwick ASSERT(lr->lr_mode != 0); 1682b24ab676SJeff Bonwick ASSERT(lrtxg != 0); 1683b24ab676SJeff Bonwick } else { 1684b24ab676SJeff Bonwick /* 1685b24ab676SJeff Bonwick * Randomly change the size and increment the generation. 1686b24ab676SJeff Bonwick */ 1687b24ab676SJeff Bonwick lr->lr_size = (ztest_random(db->db_size / sizeof (*bbt)) + 1) * 1688b24ab676SJeff Bonwick sizeof (*bbt); 1689b24ab676SJeff Bonwick lr->lr_mode = bbt->bt_gen + 1; 1690b24ab676SJeff Bonwick ASSERT(lrtxg == 0); 1691b24ab676SJeff Bonwick } 1692b24ab676SJeff Bonwick 1693b24ab676SJeff Bonwick /* 1694b24ab676SJeff Bonwick * Verify that the current bonus buffer is not newer than our txg. 1695b24ab676SJeff Bonwick */ 1696b24ab676SJeff Bonwick ztest_bt_verify(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, 1697b24ab676SJeff Bonwick MAX(txg, lrtxg), crtxg); 1698b24ab676SJeff Bonwick 1699b24ab676SJeff Bonwick dmu_buf_will_dirty(db, tx); 1700b24ab676SJeff Bonwick 1701b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, >=, sizeof (*bbt)); 1702b24ab676SJeff Bonwick ASSERT3U(lr->lr_size, <=, db->db_size); 1703b24ab676SJeff Bonwick VERIFY3U(dmu_set_bonus(db, lr->lr_size, tx), ==, 0); 1704b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1705b24ab676SJeff Bonwick 1706b24ab676SJeff Bonwick ztest_bt_generate(bbt, os, lr->lr_foid, -1ULL, lr->lr_mode, txg, crtxg); 1707b24ab676SJeff Bonwick 1708b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1709b24ab676SJeff Bonwick 1710b24ab676SJeff Bonwick (void) ztest_log_setattr(zd, tx, lr); 1711b24ab676SJeff Bonwick 1712b24ab676SJeff Bonwick dmu_tx_commit(tx); 1713b24ab676SJeff Bonwick 1714b24ab676SJeff Bonwick ztest_object_unlock(zd, lr->lr_foid); 1715b24ab676SJeff Bonwick 1716b24ab676SJeff Bonwick return (0); 1717b24ab676SJeff Bonwick } 1718b24ab676SJeff Bonwick 1719b24ab676SJeff Bonwick zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 1720b24ab676SJeff Bonwick NULL, /* 0 no such transaction type */ 1721b24ab676SJeff Bonwick ztest_replay_create, /* TX_CREATE */ 1722b24ab676SJeff Bonwick NULL, /* TX_MKDIR */ 1723b24ab676SJeff Bonwick NULL, /* TX_MKXATTR */ 1724b24ab676SJeff Bonwick NULL, /* TX_SYMLINK */ 1725b24ab676SJeff Bonwick ztest_replay_remove, /* TX_REMOVE */ 1726b24ab676SJeff Bonwick NULL, /* TX_RMDIR */ 1727b24ab676SJeff Bonwick NULL, /* TX_LINK */ 1728b24ab676SJeff Bonwick NULL, /* TX_RENAME */ 1729b24ab676SJeff Bonwick ztest_replay_write, /* TX_WRITE */ 1730b24ab676SJeff Bonwick ztest_replay_truncate, /* TX_TRUNCATE */ 1731b24ab676SJeff Bonwick ztest_replay_setattr, /* TX_SETATTR */ 1732b24ab676SJeff Bonwick NULL, /* TX_ACL */ 1733b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL */ 1734b24ab676SJeff Bonwick NULL, /* TX_CREATE_ATTR */ 1735b24ab676SJeff Bonwick NULL, /* TX_CREATE_ACL_ATTR */ 1736b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL */ 1737b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ATTR */ 1738b24ab676SJeff Bonwick NULL, /* TX_MKDIR_ACL_ATTR */ 1739b24ab676SJeff Bonwick NULL, /* TX_WRITE2 */ 1740b24ab676SJeff Bonwick }; 1741b24ab676SJeff Bonwick 1742b24ab676SJeff Bonwick /* 1743b24ab676SJeff Bonwick * ZIL get_data callbacks 1744b24ab676SJeff Bonwick */ 1745b24ab676SJeff Bonwick 1746b24ab676SJeff Bonwick static void 1747b24ab676SJeff Bonwick ztest_get_done(zgd_t *zgd, int error) 1748b24ab676SJeff Bonwick { 1749b24ab676SJeff Bonwick ztest_ds_t *zd = zgd->zgd_private; 1750b24ab676SJeff Bonwick uint64_t object = zgd->zgd_rl->rl_object; 1751b24ab676SJeff Bonwick 1752b24ab676SJeff Bonwick if (zgd->zgd_db) 1753b24ab676SJeff Bonwick dmu_buf_rele(zgd->zgd_db, zgd); 1754b24ab676SJeff Bonwick 1755b24ab676SJeff Bonwick ztest_range_unlock(zgd->zgd_rl); 1756b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1757b24ab676SJeff Bonwick 1758b24ab676SJeff Bonwick if (error == 0 && zgd->zgd_bp) 1759b24ab676SJeff Bonwick zil_add_block(zgd->zgd_zilog, zgd->zgd_bp); 1760b24ab676SJeff Bonwick 1761b24ab676SJeff Bonwick umem_free(zgd, sizeof (*zgd)); 1762b24ab676SJeff Bonwick } 1763b24ab676SJeff Bonwick 1764b24ab676SJeff Bonwick static int 1765b24ab676SJeff Bonwick ztest_get_data(void *arg, lr_write_t *lr, char *buf, zio_t *zio) 1766b24ab676SJeff Bonwick { 1767b24ab676SJeff Bonwick ztest_ds_t *zd = arg; 1768b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 1769b24ab676SJeff Bonwick uint64_t object = lr->lr_foid; 1770b24ab676SJeff Bonwick uint64_t offset = lr->lr_offset; 1771b24ab676SJeff Bonwick uint64_t size = lr->lr_length; 1772b24ab676SJeff Bonwick blkptr_t *bp = &lr->lr_blkptr; 1773b24ab676SJeff Bonwick uint64_t txg = lr->lr_common.lrc_txg; 1774b24ab676SJeff Bonwick uint64_t crtxg; 1775b24ab676SJeff Bonwick dmu_object_info_t doi; 1776b24ab676SJeff Bonwick dmu_buf_t *db; 1777b24ab676SJeff Bonwick zgd_t *zgd; 1778b24ab676SJeff Bonwick int error; 1779b24ab676SJeff Bonwick 1780b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 1781b24ab676SJeff Bonwick error = dmu_bonus_hold(os, object, FTAG, &db); 1782b24ab676SJeff Bonwick if (error) { 1783b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1784b24ab676SJeff Bonwick return (error); 1785b24ab676SJeff Bonwick } 1786b24ab676SJeff Bonwick 1787b24ab676SJeff Bonwick crtxg = ztest_bt_bonus(db)->bt_crtxg; 1788b24ab676SJeff Bonwick 1789b24ab676SJeff Bonwick if (crtxg == 0 || crtxg > txg) { 1790b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1791b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 1792b24ab676SJeff Bonwick return (ENOENT); 1793b24ab676SJeff Bonwick } 1794b24ab676SJeff Bonwick 1795b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1796b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1797b24ab676SJeff Bonwick db = NULL; 1798b24ab676SJeff Bonwick 1799b24ab676SJeff Bonwick zgd = umem_zalloc(sizeof (*zgd), UMEM_NOFAIL); 1800b24ab676SJeff Bonwick zgd->zgd_zilog = zd->zd_zilog; 1801b24ab676SJeff Bonwick zgd->zgd_private = zd; 1802b24ab676SJeff Bonwick 1803b24ab676SJeff Bonwick if (buf != NULL) { /* immediate write */ 1804b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1805b24ab676SJeff Bonwick RL_READER); 1806b24ab676SJeff Bonwick 1807b24ab676SJeff Bonwick error = dmu_read(os, object, offset, size, buf, 1808b24ab676SJeff Bonwick DMU_READ_NO_PREFETCH); 1809b24ab676SJeff Bonwick ASSERT(error == 0); 1810b24ab676SJeff Bonwick } else { 1811b24ab676SJeff Bonwick size = doi.doi_data_block_size; 1812dfe73b3dSJeff Bonwick if (ISP2(size)) { 1813b24ab676SJeff Bonwick offset = P2ALIGN(offset, size); 1814dfe73b3dSJeff Bonwick } else { 1815dfe73b3dSJeff Bonwick ASSERT(offset < size); 1816dfe73b3dSJeff Bonwick offset = 0; 1817dfe73b3dSJeff Bonwick } 1818b24ab676SJeff Bonwick 1819b24ab676SJeff Bonwick zgd->zgd_rl = ztest_range_lock(zd, object, offset, size, 1820b24ab676SJeff Bonwick RL_READER); 1821b24ab676SJeff Bonwick 182247cb52daSJeff Bonwick error = dmu_buf_hold(os, object, offset, zgd, &db, 182347cb52daSJeff Bonwick DMU_READ_NO_PREFETCH); 1824b24ab676SJeff Bonwick 1825b24ab676SJeff Bonwick if (error == 0) { 1826b24ab676SJeff Bonwick zgd->zgd_db = db; 1827b24ab676SJeff Bonwick zgd->zgd_bp = bp; 1828b24ab676SJeff Bonwick 1829b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 1830b24ab676SJeff Bonwick ASSERT(db->db_size == size); 1831b24ab676SJeff Bonwick 1832b24ab676SJeff Bonwick error = dmu_sync(zio, lr->lr_common.lrc_txg, 1833b24ab676SJeff Bonwick ztest_get_done, zgd); 1834b24ab676SJeff Bonwick 1835b24ab676SJeff Bonwick if (error == 0) 1836b24ab676SJeff Bonwick return (0); 1837b24ab676SJeff Bonwick } 1838b24ab676SJeff Bonwick } 1839b24ab676SJeff Bonwick 1840b24ab676SJeff Bonwick ztest_get_done(zgd, error); 1841b24ab676SJeff Bonwick 1842b24ab676SJeff Bonwick return (error); 1843b24ab676SJeff Bonwick } 1844b24ab676SJeff Bonwick 1845b24ab676SJeff Bonwick static void * 1846b24ab676SJeff Bonwick ztest_lr_alloc(size_t lrsize, char *name) 1847b24ab676SJeff Bonwick { 1848b24ab676SJeff Bonwick char *lr; 1849b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1850b24ab676SJeff Bonwick 1851b24ab676SJeff Bonwick lr = umem_zalloc(lrsize + namesize, UMEM_NOFAIL); 1852b24ab676SJeff Bonwick 1853b24ab676SJeff Bonwick if (name) 1854b24ab676SJeff Bonwick bcopy(name, lr + lrsize, namesize); 1855b24ab676SJeff Bonwick 1856b24ab676SJeff Bonwick return (lr); 1857b24ab676SJeff Bonwick } 1858b24ab676SJeff Bonwick 1859b24ab676SJeff Bonwick void 1860b24ab676SJeff Bonwick ztest_lr_free(void *lr, size_t lrsize, char *name) 1861b24ab676SJeff Bonwick { 1862b24ab676SJeff Bonwick size_t namesize = name ? strlen(name) + 1 : 0; 1863b24ab676SJeff Bonwick 1864b24ab676SJeff Bonwick umem_free(lr, lrsize + namesize); 1865b24ab676SJeff Bonwick } 1866b24ab676SJeff Bonwick 1867b24ab676SJeff Bonwick /* 1868b24ab676SJeff Bonwick * Lookup a bunch of objects. Returns the number of objects not found. 1869b24ab676SJeff Bonwick */ 1870b24ab676SJeff Bonwick static int 1871b24ab676SJeff Bonwick ztest_lookup(ztest_ds_t *zd, ztest_od_t *od, int count) 1872b24ab676SJeff Bonwick { 1873b24ab676SJeff Bonwick int missing = 0; 1874b24ab676SJeff Bonwick int error; 1875b24ab676SJeff Bonwick 1876b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1877b24ab676SJeff Bonwick 1878b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1879b24ab676SJeff Bonwick od->od_object = 0; 1880b24ab676SJeff Bonwick error = zap_lookup(zd->zd_os, od->od_dir, od->od_name, 1881b24ab676SJeff Bonwick sizeof (uint64_t), 1, &od->od_object); 1882b24ab676SJeff Bonwick if (error) { 1883b24ab676SJeff Bonwick ASSERT(error == ENOENT); 1884b24ab676SJeff Bonwick ASSERT(od->od_object == 0); 1885b24ab676SJeff Bonwick missing++; 1886b24ab676SJeff Bonwick } else { 1887b24ab676SJeff Bonwick dmu_buf_t *db; 1888b24ab676SJeff Bonwick ztest_block_tag_t *bbt; 1889b24ab676SJeff Bonwick dmu_object_info_t doi; 1890b24ab676SJeff Bonwick 1891b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1892b24ab676SJeff Bonwick ASSERT(missing == 0); /* there should be no gaps */ 1893b24ab676SJeff Bonwick 1894b24ab676SJeff Bonwick ztest_object_lock(zd, od->od_object, RL_READER); 1895b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(zd->zd_os, 1896b24ab676SJeff Bonwick od->od_object, FTAG, &db)); 1897b24ab676SJeff Bonwick dmu_object_info_from_db(db, &doi); 1898b24ab676SJeff Bonwick bbt = ztest_bt_bonus(db); 1899b24ab676SJeff Bonwick ASSERT3U(bbt->bt_magic, ==, BT_MAGIC); 1900b24ab676SJeff Bonwick od->od_type = doi.doi_type; 1901b24ab676SJeff Bonwick od->od_blocksize = doi.doi_data_block_size; 1902b24ab676SJeff Bonwick od->od_gen = bbt->bt_gen; 1903b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 1904b24ab676SJeff Bonwick ztest_object_unlock(zd, od->od_object); 1905b24ab676SJeff Bonwick } 1906b24ab676SJeff Bonwick } 1907b24ab676SJeff Bonwick 1908b24ab676SJeff Bonwick return (missing); 1909b24ab676SJeff Bonwick } 1910b24ab676SJeff Bonwick 1911b24ab676SJeff Bonwick static int 1912b24ab676SJeff Bonwick ztest_create(ztest_ds_t *zd, ztest_od_t *od, int count) 1913b24ab676SJeff Bonwick { 1914b24ab676SJeff Bonwick int missing = 0; 1915b24ab676SJeff Bonwick 1916b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1917b24ab676SJeff Bonwick 1918b24ab676SJeff Bonwick for (int i = 0; i < count; i++, od++) { 1919b24ab676SJeff Bonwick if (missing) { 1920b24ab676SJeff Bonwick od->od_object = 0; 1921b24ab676SJeff Bonwick missing++; 1922b24ab676SJeff Bonwick continue; 1923b24ab676SJeff Bonwick } 1924b24ab676SJeff Bonwick 1925b24ab676SJeff Bonwick lr_create_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1926b24ab676SJeff Bonwick 1927b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1928b24ab676SJeff Bonwick lr->lr_foid = 0; /* 0 to allocate, > 0 to claim */ 1929b24ab676SJeff Bonwick lr->lrz_type = od->od_crtype; 1930b24ab676SJeff Bonwick lr->lrz_blocksize = od->od_crblocksize; 1931b24ab676SJeff Bonwick lr->lrz_ibshift = ztest_random_ibshift(); 1932b24ab676SJeff Bonwick lr->lrz_bonustype = DMU_OT_UINT64_OTHER; 1933b24ab676SJeff Bonwick lr->lrz_bonuslen = dmu_bonus_max(); 1934b24ab676SJeff Bonwick lr->lr_gen = od->od_crgen; 1935b24ab676SJeff Bonwick lr->lr_crtime[0] = time(NULL); 1936b24ab676SJeff Bonwick 1937b24ab676SJeff Bonwick if (ztest_replay_create(zd, lr, B_FALSE) != 0) { 1938b24ab676SJeff Bonwick ASSERT(missing == 0); 1939b24ab676SJeff Bonwick od->od_object = 0; 1940b24ab676SJeff Bonwick missing++; 1941b24ab676SJeff Bonwick } else { 1942b24ab676SJeff Bonwick od->od_object = lr->lr_foid; 1943b24ab676SJeff Bonwick od->od_type = od->od_crtype; 1944b24ab676SJeff Bonwick od->od_blocksize = od->od_crblocksize; 1945b24ab676SJeff Bonwick od->od_gen = od->od_crgen; 1946b24ab676SJeff Bonwick ASSERT(od->od_object != 0); 1947b24ab676SJeff Bonwick } 1948b24ab676SJeff Bonwick 1949b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1950b24ab676SJeff Bonwick } 1951b24ab676SJeff Bonwick 1952b24ab676SJeff Bonwick return (missing); 1953b24ab676SJeff Bonwick } 1954b24ab676SJeff Bonwick 1955b24ab676SJeff Bonwick static int 1956b24ab676SJeff Bonwick ztest_remove(ztest_ds_t *zd, ztest_od_t *od, int count) 1957b24ab676SJeff Bonwick { 1958b24ab676SJeff Bonwick int missing = 0; 1959b24ab676SJeff Bonwick int error; 1960b24ab676SJeff Bonwick 1961b24ab676SJeff Bonwick ASSERT(_mutex_held(&zd->zd_dirobj_lock)); 1962b24ab676SJeff Bonwick 1963b24ab676SJeff Bonwick od += count - 1; 1964b24ab676SJeff Bonwick 1965b24ab676SJeff Bonwick for (int i = count - 1; i >= 0; i--, od--) { 1966b24ab676SJeff Bonwick if (missing) { 1967b24ab676SJeff Bonwick missing++; 1968b24ab676SJeff Bonwick continue; 1969b24ab676SJeff Bonwick } 1970b24ab676SJeff Bonwick 1971b24ab676SJeff Bonwick if (od->od_object == 0) 1972b24ab676SJeff Bonwick continue; 1973b24ab676SJeff Bonwick 1974b24ab676SJeff Bonwick lr_remove_t *lr = ztest_lr_alloc(sizeof (*lr), od->od_name); 1975b24ab676SJeff Bonwick 1976b24ab676SJeff Bonwick lr->lr_doid = od->od_dir; 1977b24ab676SJeff Bonwick 1978b24ab676SJeff Bonwick if ((error = ztest_replay_remove(zd, lr, B_FALSE)) != 0) { 1979b24ab676SJeff Bonwick ASSERT3U(error, ==, ENOSPC); 1980b24ab676SJeff Bonwick missing++; 1981b24ab676SJeff Bonwick } else { 1982b24ab676SJeff Bonwick od->od_object = 0; 1983b24ab676SJeff Bonwick } 1984b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), od->od_name); 1985b24ab676SJeff Bonwick } 1986b24ab676SJeff Bonwick 1987b24ab676SJeff Bonwick return (missing); 1988b24ab676SJeff Bonwick } 1989b24ab676SJeff Bonwick 1990b24ab676SJeff Bonwick static int 1991b24ab676SJeff Bonwick ztest_write(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size, 1992b24ab676SJeff Bonwick void *data) 1993b24ab676SJeff Bonwick { 1994b24ab676SJeff Bonwick lr_write_t *lr; 1995b24ab676SJeff Bonwick int error; 1996b24ab676SJeff Bonwick 1997b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr) + size, NULL); 1998b24ab676SJeff Bonwick 1999b24ab676SJeff Bonwick lr->lr_foid = object; 2000b24ab676SJeff Bonwick lr->lr_offset = offset; 2001b24ab676SJeff Bonwick lr->lr_length = size; 2002b24ab676SJeff Bonwick lr->lr_blkoff = 0; 2003b24ab676SJeff Bonwick BP_ZERO(&lr->lr_blkptr); 2004b24ab676SJeff Bonwick 2005b24ab676SJeff Bonwick bcopy(data, lr + 1, size); 2006b24ab676SJeff Bonwick 2007b24ab676SJeff Bonwick error = ztest_replay_write(zd, lr, B_FALSE); 2008b24ab676SJeff Bonwick 2009b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr) + size, NULL); 2010b24ab676SJeff Bonwick 2011b24ab676SJeff Bonwick return (error); 2012b24ab676SJeff Bonwick } 2013b24ab676SJeff Bonwick 2014b24ab676SJeff Bonwick static int 2015b24ab676SJeff Bonwick ztest_truncate(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 2016b24ab676SJeff Bonwick { 2017b24ab676SJeff Bonwick lr_truncate_t *lr; 2018b24ab676SJeff Bonwick int error; 2019b24ab676SJeff Bonwick 2020b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 2021b24ab676SJeff Bonwick 2022b24ab676SJeff Bonwick lr->lr_foid = object; 2023b24ab676SJeff Bonwick lr->lr_offset = offset; 2024b24ab676SJeff Bonwick lr->lr_length = size; 2025b24ab676SJeff Bonwick 2026b24ab676SJeff Bonwick error = ztest_replay_truncate(zd, lr, B_FALSE); 2027b24ab676SJeff Bonwick 2028b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 2029b24ab676SJeff Bonwick 2030b24ab676SJeff Bonwick return (error); 2031b24ab676SJeff Bonwick } 2032b24ab676SJeff Bonwick 2033b24ab676SJeff Bonwick static int 2034b24ab676SJeff Bonwick ztest_setattr(ztest_ds_t *zd, uint64_t object) 2035b24ab676SJeff Bonwick { 2036b24ab676SJeff Bonwick lr_setattr_t *lr; 2037b24ab676SJeff Bonwick int error; 2038b24ab676SJeff Bonwick 2039b24ab676SJeff Bonwick lr = ztest_lr_alloc(sizeof (*lr), NULL); 2040b24ab676SJeff Bonwick 2041b24ab676SJeff Bonwick lr->lr_foid = object; 2042b24ab676SJeff Bonwick lr->lr_size = 0; 2043b24ab676SJeff Bonwick lr->lr_mode = 0; 2044b24ab676SJeff Bonwick 2045b24ab676SJeff Bonwick error = ztest_replay_setattr(zd, lr, B_FALSE); 2046b24ab676SJeff Bonwick 2047b24ab676SJeff Bonwick ztest_lr_free(lr, sizeof (*lr), NULL); 2048b24ab676SJeff Bonwick 2049b24ab676SJeff Bonwick return (error); 2050b24ab676SJeff Bonwick } 2051b24ab676SJeff Bonwick 2052b24ab676SJeff Bonwick static void 2053b24ab676SJeff Bonwick ztest_prealloc(ztest_ds_t *zd, uint64_t object, uint64_t offset, uint64_t size) 2054b24ab676SJeff Bonwick { 2055b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 2056b24ab676SJeff Bonwick dmu_tx_t *tx; 2057b24ab676SJeff Bonwick uint64_t txg; 2058b24ab676SJeff Bonwick rl_t *rl; 2059b24ab676SJeff Bonwick 2060b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 2061b24ab676SJeff Bonwick 2062b24ab676SJeff Bonwick ztest_object_lock(zd, object, RL_READER); 2063b24ab676SJeff Bonwick rl = ztest_range_lock(zd, object, offset, size, RL_WRITER); 2064b24ab676SJeff Bonwick 2065b24ab676SJeff Bonwick tx = dmu_tx_create(os); 2066b24ab676SJeff Bonwick 2067b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, offset, size); 2068b24ab676SJeff Bonwick 2069b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 2070b24ab676SJeff Bonwick 2071b24ab676SJeff Bonwick if (txg != 0) { 2072b24ab676SJeff Bonwick dmu_prealloc(os, object, offset, size, tx); 2073b24ab676SJeff Bonwick dmu_tx_commit(tx); 2074b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 2075b24ab676SJeff Bonwick } else { 2076b24ab676SJeff Bonwick (void) dmu_free_long_range(os, object, offset, size); 2077b24ab676SJeff Bonwick } 2078b24ab676SJeff Bonwick 2079b24ab676SJeff Bonwick ztest_range_unlock(rl); 2080b24ab676SJeff Bonwick ztest_object_unlock(zd, object); 2081b24ab676SJeff Bonwick } 2082b24ab676SJeff Bonwick 2083b24ab676SJeff Bonwick static void 2084b24ab676SJeff Bonwick ztest_io(ztest_ds_t *zd, uint64_t object, uint64_t offset) 2085b24ab676SJeff Bonwick { 2086b24ab676SJeff Bonwick ztest_block_tag_t wbt; 2087b24ab676SJeff Bonwick dmu_object_info_t doi; 2088b24ab676SJeff Bonwick enum ztest_io_type io_type; 2089b24ab676SJeff Bonwick uint64_t blocksize; 2090b24ab676SJeff Bonwick void *data; 2091b24ab676SJeff Bonwick 2092b24ab676SJeff Bonwick VERIFY(dmu_object_info(zd->zd_os, object, &doi) == 0); 2093b24ab676SJeff Bonwick blocksize = doi.doi_data_block_size; 2094b24ab676SJeff Bonwick data = umem_alloc(blocksize, UMEM_NOFAIL); 2095b24ab676SJeff Bonwick 2096b24ab676SJeff Bonwick /* 2097b24ab676SJeff Bonwick * Pick an i/o type at random, biased toward writing block tags. 2098b24ab676SJeff Bonwick */ 2099b24ab676SJeff Bonwick io_type = ztest_random(ZTEST_IO_TYPES); 2100b24ab676SJeff Bonwick if (ztest_random(2) == 0) 2101b24ab676SJeff Bonwick io_type = ZTEST_IO_WRITE_TAG; 2102b24ab676SJeff Bonwick 2103c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2104c9ba2a43SEric Schrock 2105b24ab676SJeff Bonwick switch (io_type) { 2106b24ab676SJeff Bonwick 2107b24ab676SJeff Bonwick case ZTEST_IO_WRITE_TAG: 2108b24ab676SJeff Bonwick ztest_bt_generate(&wbt, zd->zd_os, object, offset, 0, 0, 0); 2109b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, sizeof (wbt), &wbt); 2110b24ab676SJeff Bonwick break; 2111b24ab676SJeff Bonwick 2112b24ab676SJeff Bonwick case ZTEST_IO_WRITE_PATTERN: 2113b24ab676SJeff Bonwick (void) memset(data, 'a' + (object + offset) % 5, blocksize); 2114b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 2115b24ab676SJeff Bonwick /* 2116b24ab676SJeff Bonwick * Induce fletcher2 collisions to ensure that 2117b24ab676SJeff Bonwick * zio_ddt_collision() detects and resolves them 2118b24ab676SJeff Bonwick * when using fletcher2-verify for deduplication. 2119b24ab676SJeff Bonwick */ 2120b24ab676SJeff Bonwick ((uint64_t *)data)[0] ^= 1ULL << 63; 2121b24ab676SJeff Bonwick ((uint64_t *)data)[4] ^= 1ULL << 63; 2122b24ab676SJeff Bonwick } 2123b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 2124b24ab676SJeff Bonwick break; 2125b24ab676SJeff Bonwick 2126b24ab676SJeff Bonwick case ZTEST_IO_WRITE_ZEROES: 2127b24ab676SJeff Bonwick bzero(data, blocksize); 2128b24ab676SJeff Bonwick (void) ztest_write(zd, object, offset, blocksize, data); 2129b24ab676SJeff Bonwick break; 2130b24ab676SJeff Bonwick 2131b24ab676SJeff Bonwick case ZTEST_IO_TRUNCATE: 2132b24ab676SJeff Bonwick (void) ztest_truncate(zd, object, offset, blocksize); 2133b24ab676SJeff Bonwick break; 2134b24ab676SJeff Bonwick 2135b24ab676SJeff Bonwick case ZTEST_IO_SETATTR: 2136b24ab676SJeff Bonwick (void) ztest_setattr(zd, object); 2137b24ab676SJeff Bonwick break; 2138b24ab676SJeff Bonwick } 2139b24ab676SJeff Bonwick 2140c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2141c9ba2a43SEric Schrock 2142b24ab676SJeff Bonwick umem_free(data, blocksize); 2143b24ab676SJeff Bonwick } 2144b24ab676SJeff Bonwick 2145b24ab676SJeff Bonwick /* 2146b24ab676SJeff Bonwick * Initialize an object description template. 2147b24ab676SJeff Bonwick */ 2148b24ab676SJeff Bonwick static void 2149b24ab676SJeff Bonwick ztest_od_init(ztest_od_t *od, uint64_t id, char *tag, uint64_t index, 2150b24ab676SJeff Bonwick dmu_object_type_t type, uint64_t blocksize, uint64_t gen) 2151b24ab676SJeff Bonwick { 2152b24ab676SJeff Bonwick od->od_dir = ZTEST_DIROBJ; 2153b24ab676SJeff Bonwick od->od_object = 0; 2154b24ab676SJeff Bonwick 2155b24ab676SJeff Bonwick od->od_crtype = type; 2156b24ab676SJeff Bonwick od->od_crblocksize = blocksize ? blocksize : ztest_random_blocksize(); 2157b24ab676SJeff Bonwick od->od_crgen = gen; 2158b24ab676SJeff Bonwick 2159b24ab676SJeff Bonwick od->od_type = DMU_OT_NONE; 2160b24ab676SJeff Bonwick od->od_blocksize = 0; 2161b24ab676SJeff Bonwick od->od_gen = 0; 2162b24ab676SJeff Bonwick 2163b24ab676SJeff Bonwick (void) snprintf(od->od_name, sizeof (od->od_name), "%s(%lld)[%llu]", 2164b24ab676SJeff Bonwick tag, (int64_t)id, index); 2165b24ab676SJeff Bonwick } 2166b24ab676SJeff Bonwick 2167b24ab676SJeff Bonwick /* 2168b24ab676SJeff Bonwick * Lookup or create the objects for a test using the od template. 2169b24ab676SJeff Bonwick * If the objects do not all exist, or if 'remove' is specified, 2170b24ab676SJeff Bonwick * remove any existing objects and create new ones. Otherwise, 2171b24ab676SJeff Bonwick * use the existing objects. 2172b24ab676SJeff Bonwick */ 2173b24ab676SJeff Bonwick static int 2174b24ab676SJeff Bonwick ztest_object_init(ztest_ds_t *zd, ztest_od_t *od, size_t size, boolean_t remove) 2175b24ab676SJeff Bonwick { 2176b24ab676SJeff Bonwick int count = size / sizeof (*od); 2177b24ab676SJeff Bonwick int rv = 0; 2178b24ab676SJeff Bonwick 2179b24ab676SJeff Bonwick VERIFY(mutex_lock(&zd->zd_dirobj_lock) == 0); 2180b24ab676SJeff Bonwick if ((ztest_lookup(zd, od, count) != 0 || remove) && 2181b24ab676SJeff Bonwick (ztest_remove(zd, od, count) != 0 || 2182b24ab676SJeff Bonwick ztest_create(zd, od, count) != 0)) 2183b24ab676SJeff Bonwick rv = -1; 2184b24ab676SJeff Bonwick zd->zd_od = od; 2185b24ab676SJeff Bonwick VERIFY(mutex_unlock(&zd->zd_dirobj_lock) == 0); 2186b24ab676SJeff Bonwick 2187b24ab676SJeff Bonwick return (rv); 2188b24ab676SJeff Bonwick } 2189b24ab676SJeff Bonwick 2190b24ab676SJeff Bonwick /* ARGSUSED */ 2191b24ab676SJeff Bonwick void 2192b24ab676SJeff Bonwick ztest_zil_commit(ztest_ds_t *zd, uint64_t id) 2193b24ab676SJeff Bonwick { 2194b24ab676SJeff Bonwick zilog_t *zilog = zd->zd_zilog; 2195b24ab676SJeff Bonwick 2196c9ba2a43SEric Schrock (void) rw_rdlock(&zd->zd_zilog_lock); 2197c9ba2a43SEric Schrock 21985002558fSNeil Perrin zil_commit(zilog, ztest_random(ZTEST_OBJECTS)); 2199b24ab676SJeff Bonwick 2200b24ab676SJeff Bonwick /* 2201b24ab676SJeff Bonwick * Remember the committed values in zd, which is in parent/child 2202b24ab676SJeff Bonwick * shared memory. If we die, the next iteration of ztest_run() 2203b24ab676SJeff Bonwick * will verify that the log really does contain this record. 2204b24ab676SJeff Bonwick */ 2205b24ab676SJeff Bonwick mutex_enter(&zilog->zl_lock); 2206*420dfc95SChris Siden ASSERT(zd->zd_shared != NULL); 2207*420dfc95SChris Siden ASSERT3U(zd->zd_shared->zd_seq, <=, zilog->zl_commit_lr_seq); 2208*420dfc95SChris Siden zd->zd_shared->zd_seq = zilog->zl_commit_lr_seq; 2209b24ab676SJeff Bonwick mutex_exit(&zilog->zl_lock); 2210c9ba2a43SEric Schrock 2211c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2212c9ba2a43SEric Schrock } 2213c9ba2a43SEric Schrock 2214c9ba2a43SEric Schrock /* 2215c9ba2a43SEric Schrock * This function is designed to simulate the operations that occur during a 2216c9ba2a43SEric Schrock * mount/unmount operation. We hold the dataset across these operations in an 2217c9ba2a43SEric Schrock * attempt to expose any implicit assumptions about ZIL management. 2218c9ba2a43SEric Schrock */ 2219c9ba2a43SEric Schrock /* ARGSUSED */ 2220c9ba2a43SEric Schrock void 2221c9ba2a43SEric Schrock ztest_zil_remount(ztest_ds_t *zd, uint64_t id) 2222c9ba2a43SEric Schrock { 2223c9ba2a43SEric Schrock objset_t *os = zd->zd_os; 2224c9ba2a43SEric Schrock 2225c9ba2a43SEric Schrock (void) rw_wrlock(&zd->zd_zilog_lock); 2226c9ba2a43SEric Schrock 2227c9ba2a43SEric Schrock /* zfsvfs_teardown() */ 2228c9ba2a43SEric Schrock zil_close(zd->zd_zilog); 2229c9ba2a43SEric Schrock 2230c9ba2a43SEric Schrock /* zfsvfs_setup() */ 2231c9ba2a43SEric Schrock VERIFY(zil_open(os, ztest_get_data) == zd->zd_zilog); 2232c9ba2a43SEric Schrock zil_replay(os, zd, ztest_replay_vector); 2233c9ba2a43SEric Schrock 2234c9ba2a43SEric Schrock (void) rw_unlock(&zd->zd_zilog_lock); 2235b24ab676SJeff Bonwick } 2236b24ab676SJeff Bonwick 2237b24ab676SJeff Bonwick /* 2238b24ab676SJeff Bonwick * Verify that we can't destroy an active pool, create an existing pool, 2239b24ab676SJeff Bonwick * or create a pool with a bad vdev spec. 2240b24ab676SJeff Bonwick */ 2241b24ab676SJeff Bonwick /* ARGSUSED */ 2242b24ab676SJeff Bonwick void 2243b24ab676SJeff Bonwick ztest_spa_create_destroy(ztest_ds_t *zd, uint64_t id) 2244b24ab676SJeff Bonwick { 2245*420dfc95SChris Siden ztest_shared_opts_t *zo = &ztest_opts; 2246b24ab676SJeff Bonwick spa_t *spa; 2247b24ab676SJeff Bonwick nvlist_t *nvroot; 2248b24ab676SJeff Bonwick 2249b24ab676SJeff Bonwick /* 2250b24ab676SJeff Bonwick * Attempt to create using a bad file. 2251b24ab676SJeff Bonwick */ 2252b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 2253b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 2254b24ab676SJeff Bonwick spa_create("ztest_bad_file", nvroot, NULL, NULL, NULL)); 2255b24ab676SJeff Bonwick nvlist_free(nvroot); 2256b24ab676SJeff Bonwick 2257b24ab676SJeff Bonwick /* 2258b24ab676SJeff Bonwick * Attempt to create using a bad mirror. 2259b24ab676SJeff Bonwick */ 2260b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 2, 1); 2261b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, 2262b24ab676SJeff Bonwick spa_create("ztest_bad_mirror", nvroot, NULL, NULL, NULL)); 2263b24ab676SJeff Bonwick nvlist_free(nvroot); 2264b24ab676SJeff Bonwick 2265b24ab676SJeff Bonwick /* 2266b24ab676SJeff Bonwick * Attempt to create an existing pool. It shouldn't matter 2267b24ab676SJeff Bonwick * what's in the nvroot; we should fail with EEXIST. 2268b24ab676SJeff Bonwick */ 2269*420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 2270b24ab676SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 2271*420dfc95SChris Siden VERIFY3U(EEXIST, ==, spa_create(zo->zo_pool, nvroot, NULL, NULL, NULL)); 2272b24ab676SJeff Bonwick nvlist_free(nvroot); 2273*420dfc95SChris Siden VERIFY3U(0, ==, spa_open(zo->zo_pool, &spa, FTAG)); 2274*420dfc95SChris Siden VERIFY3U(EBUSY, ==, spa_destroy(zo->zo_pool)); 2275b24ab676SJeff Bonwick spa_close(spa, FTAG); 2276b24ab676SJeff Bonwick 2277*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 2278b24ab676SJeff Bonwick } 2279b24ab676SJeff Bonwick 2280b24ab676SJeff Bonwick static vdev_t * 2281b24ab676SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 2282b24ab676SJeff Bonwick { 2283b24ab676SJeff Bonwick vdev_t *mvd; 2284b24ab676SJeff Bonwick 2285b24ab676SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 2286b24ab676SJeff Bonwick return (vd); 2287b24ab676SJeff Bonwick 2288b24ab676SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 2289b24ab676SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 2290b24ab676SJeff Bonwick NULL) 2291b24ab676SJeff Bonwick return (mvd); 2292b24ab676SJeff Bonwick 2293b24ab676SJeff Bonwick return (NULL); 2294b24ab676SJeff Bonwick } 2295b24ab676SJeff Bonwick 2296b24ab676SJeff Bonwick /* 2297b24ab676SJeff Bonwick * Find the first available hole which can be used as a top-level. 2298b24ab676SJeff Bonwick */ 2299b24ab676SJeff Bonwick int 2300b24ab676SJeff Bonwick find_vdev_hole(spa_t *spa) 2301b24ab676SJeff Bonwick { 2302b24ab676SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2303b24ab676SJeff Bonwick int c; 2304b24ab676SJeff Bonwick 2305b24ab676SJeff Bonwick ASSERT(spa_config_held(spa, SCL_VDEV, RW_READER) == SCL_VDEV); 2306b24ab676SJeff Bonwick 2307b24ab676SJeff Bonwick for (c = 0; c < rvd->vdev_children; c++) { 2308b24ab676SJeff Bonwick vdev_t *cvd = rvd->vdev_child[c]; 2309b24ab676SJeff Bonwick 2310b24ab676SJeff Bonwick if (cvd->vdev_ishole) 2311b24ab676SJeff Bonwick break; 2312b24ab676SJeff Bonwick } 2313b24ab676SJeff Bonwick return (c); 2314b24ab676SJeff Bonwick } 2315b24ab676SJeff Bonwick 2316b24ab676SJeff Bonwick /* 2317b24ab676SJeff Bonwick * Verify that vdev_add() works as expected. 2318b24ab676SJeff Bonwick */ 2319b24ab676SJeff Bonwick /* ARGSUSED */ 2320b24ab676SJeff Bonwick void 2321b24ab676SJeff Bonwick ztest_vdev_add_remove(ztest_ds_t *zd, uint64_t id) 2322b24ab676SJeff Bonwick { 2323b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2324*420dfc95SChris Siden spa_t *spa = ztest_spa; 23251195e687SMark J Musante uint64_t leaves; 2326b24ab676SJeff Bonwick uint64_t guid; 2327b24ab676SJeff Bonwick nvlist_t *nvroot; 2328b24ab676SJeff Bonwick int error; 2329b24ab676SJeff Bonwick 2330*420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2331*420dfc95SChris Siden leaves = 2332*420dfc95SChris Siden MAX(zs->zs_mirrors + zs->zs_splits, 1) * ztest_opts.zo_raidz; 2333b24ab676SJeff Bonwick 2334b24ab676SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2335b24ab676SJeff Bonwick 2336b24ab676SJeff Bonwick ztest_shared->zs_vdev_next_leaf = find_vdev_hole(spa) * leaves; 2337b24ab676SJeff Bonwick 2338b24ab676SJeff Bonwick /* 2339b24ab676SJeff Bonwick * If we have slogs then remove them 1/4 of the time. 2340b24ab676SJeff Bonwick */ 234188ecc943SGeorge Wilson if (spa_has_slogs(spa) && ztest_random(4) == 0) { 234288ecc943SGeorge Wilson /* 234388ecc943SGeorge Wilson * Grab the guid from the head of the log class rotor. 234488ecc943SGeorge Wilson */ 2345b24ab676SJeff Bonwick guid = spa_log_class(spa)->mc_rotor->mg_vd->vdev_guid; 23468654d025Sperrin 234788ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 2348fa9e4066Sahrens 234988ecc943SGeorge Wilson /* 235088ecc943SGeorge Wilson * We have to grab the zs_name_lock as writer to 235188ecc943SGeorge Wilson * prevent a race between removing a slog (dmu_objset_find) 235288ecc943SGeorge Wilson * and destroying a dataset. Removing the slog will 235388ecc943SGeorge Wilson * grab a reference on the dataset which may cause 235488ecc943SGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 235588ecc943SGeorge Wilson * leaving the dataset in an inconsistent state. 235688ecc943SGeorge Wilson */ 2357*420dfc95SChris Siden VERIFY(rw_wrlock(&ztest_name_lock) == 0); 235888ecc943SGeorge Wilson error = spa_vdev_remove(spa, guid, B_FALSE); 2359*420dfc95SChris Siden VERIFY(rw_unlock(&ztest_name_lock) == 0); 2360fa9e4066Sahrens 236188ecc943SGeorge Wilson if (error && error != EEXIST) 236288ecc943SGeorge Wilson fatal(0, "spa_vdev_remove() = %d", error); 236388ecc943SGeorge Wilson } else { 236488ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 236588ecc943SGeorge Wilson 236688ecc943SGeorge Wilson /* 236788ecc943SGeorge Wilson * Make 1/4 of the devices be log devices. 236888ecc943SGeorge Wilson */ 2369*420dfc95SChris Siden nvroot = make_vdev_root(NULL, NULL, 2370*420dfc95SChris Siden ztest_opts.zo_vdev_size, 0, 2371*420dfc95SChris Siden ztest_random(4) == 0, ztest_opts.zo_raidz, 2372*420dfc95SChris Siden zs->zs_mirrors, 1); 237388ecc943SGeorge Wilson 237488ecc943SGeorge Wilson error = spa_vdev_add(spa, nvroot); 237588ecc943SGeorge Wilson nvlist_free(nvroot); 237688ecc943SGeorge Wilson 237788ecc943SGeorge Wilson if (error == ENOSPC) 237888ecc943SGeorge Wilson ztest_record_enospc("spa_vdev_add"); 237988ecc943SGeorge Wilson else if (error != 0) 238088ecc943SGeorge Wilson fatal(0, "spa_vdev_add() = %d", error); 238188ecc943SGeorge Wilson } 238288ecc943SGeorge Wilson 2383*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2384e14bb325SJeff Bonwick } 2385fa9e4066Sahrens 2386e14bb325SJeff Bonwick /* 2387e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 2388e14bb325SJeff Bonwick */ 2389b24ab676SJeff Bonwick /* ARGSUSED */ 2390e14bb325SJeff Bonwick void 2391b24ab676SJeff Bonwick ztest_vdev_aux_add_remove(ztest_ds_t *zd, uint64_t id) 2392e14bb325SJeff Bonwick { 2393b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2394*420dfc95SChris Siden spa_t *spa = ztest_spa; 239531157203SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 2396e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 2397e14bb325SJeff Bonwick char *aux; 2398e14bb325SJeff Bonwick uint64_t guid = 0; 2399e14bb325SJeff Bonwick int error; 2400e14bb325SJeff Bonwick 240131157203SJeff Bonwick if (ztest_random(2) == 0) { 2402e14bb325SJeff Bonwick sav = &spa->spa_spares; 2403e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 2404e14bb325SJeff Bonwick } else { 2405e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 2406e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 2407e14bb325SJeff Bonwick } 2408e14bb325SJeff Bonwick 2409*420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2410e14bb325SJeff Bonwick 2411e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2412e14bb325SJeff Bonwick 2413e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 2414e14bb325SJeff Bonwick /* 2415e14bb325SJeff Bonwick * Pick a random device to remove. 2416e14bb325SJeff Bonwick */ 2417e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 2418e14bb325SJeff Bonwick } else { 2419e14bb325SJeff Bonwick /* 2420e14bb325SJeff Bonwick * Find an unused device we can add. 2421e14bb325SJeff Bonwick */ 2422b24ab676SJeff Bonwick zs->zs_vdev_aux = 0; 2423e14bb325SJeff Bonwick for (;;) { 2424e14bb325SJeff Bonwick char path[MAXPATHLEN]; 2425e14bb325SJeff Bonwick int c; 2426*420dfc95SChris Siden (void) snprintf(path, sizeof (path), ztest_aux_template, 2427*420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, aux, 2428*420dfc95SChris Siden zs->zs_vdev_aux); 2429e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 2430e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 2431e14bb325SJeff Bonwick path) == 0) 2432e14bb325SJeff Bonwick break; 243331157203SJeff Bonwick if (c == sav->sav_count && 243431157203SJeff Bonwick vdev_lookup_by_path(rvd, path) == NULL) 2435e14bb325SJeff Bonwick break; 2436b24ab676SJeff Bonwick zs->zs_vdev_aux++; 2437e14bb325SJeff Bonwick } 2438e14bb325SJeff Bonwick } 2439e14bb325SJeff Bonwick 2440e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2441e14bb325SJeff Bonwick 2442e14bb325SJeff Bonwick if (guid == 0) { 2443e14bb325SJeff Bonwick /* 2444e14bb325SJeff Bonwick * Add a new device. 2445e14bb325SJeff Bonwick */ 244631157203SJeff Bonwick nvlist_t *nvroot = make_vdev_root(NULL, aux, 2447*420dfc95SChris Siden (ztest_opts.zo_vdev_size * 5) / 4, 0, 0, 0, 0, 1); 2448e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 2449e14bb325SJeff Bonwick if (error != 0) 2450e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 2451e14bb325SJeff Bonwick nvlist_free(nvroot); 2452e14bb325SJeff Bonwick } else { 2453e14bb325SJeff Bonwick /* 2454e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 2455e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 2456e14bb325SJeff Bonwick * of devices that have pending state changes. 2457e14bb325SJeff Bonwick */ 2458e14bb325SJeff Bonwick if (ztest_random(2) == 0) 2459573ca77eSGeorge Wilson (void) vdev_online(spa, guid, 0, NULL); 2460e14bb325SJeff Bonwick 2461e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 2462e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 2463e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 2464e14bb325SJeff Bonwick } 2465e14bb325SJeff Bonwick 2466*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2467fa9e4066Sahrens } 2468fa9e4066Sahrens 24691195e687SMark J Musante /* 24701195e687SMark J Musante * split a pool if it has mirror tlvdevs 24711195e687SMark J Musante */ 24721195e687SMark J Musante /* ARGSUSED */ 24731195e687SMark J Musante void 24741195e687SMark J Musante ztest_split_pool(ztest_ds_t *zd, uint64_t id) 24751195e687SMark J Musante { 24761195e687SMark J Musante ztest_shared_t *zs = ztest_shared; 2477*420dfc95SChris Siden spa_t *spa = ztest_spa; 24781195e687SMark J Musante vdev_t *rvd = spa->spa_root_vdev; 24791195e687SMark J Musante nvlist_t *tree, **child, *config, *split, **schild; 24801195e687SMark J Musante uint_t c, children, schildren = 0, lastlogid = 0; 24811195e687SMark J Musante int error = 0; 24821195e687SMark J Musante 2483*420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 24841195e687SMark J Musante 24851195e687SMark J Musante /* ensure we have a useable config; mirrors of raidz aren't supported */ 2486*420dfc95SChris Siden if (zs->zs_mirrors < 3 || ztest_opts.zo_raidz > 1) { 2487*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 24881195e687SMark J Musante return; 24891195e687SMark J Musante } 24901195e687SMark J Musante 24911195e687SMark J Musante /* clean up the old pool, if any */ 24921195e687SMark J Musante (void) spa_destroy("splitp"); 24931195e687SMark J Musante 24941195e687SMark J Musante spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 24951195e687SMark J Musante 24961195e687SMark J Musante /* generate a config from the existing config */ 249798295d61SMark J Musante mutex_enter(&spa->spa_props_lock); 24981195e687SMark J Musante VERIFY(nvlist_lookup_nvlist(spa->spa_config, ZPOOL_CONFIG_VDEV_TREE, 24991195e687SMark J Musante &tree) == 0); 250098295d61SMark J Musante mutex_exit(&spa->spa_props_lock); 250198295d61SMark J Musante 25021195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, 25031195e687SMark J Musante &children) == 0); 25041195e687SMark J Musante 25051195e687SMark J Musante schild = malloc(rvd->vdev_children * sizeof (nvlist_t *)); 25061195e687SMark J Musante for (c = 0; c < children; c++) { 25071195e687SMark J Musante vdev_t *tvd = rvd->vdev_child[c]; 25081195e687SMark J Musante nvlist_t **mchild; 25091195e687SMark J Musante uint_t mchildren; 25101195e687SMark J Musante 25111195e687SMark J Musante if (tvd->vdev_islog || tvd->vdev_ops == &vdev_hole_ops) { 25121195e687SMark J Musante VERIFY(nvlist_alloc(&schild[schildren], NV_UNIQUE_NAME, 25131195e687SMark J Musante 0) == 0); 25141195e687SMark J Musante VERIFY(nvlist_add_string(schild[schildren], 25151195e687SMark J Musante ZPOOL_CONFIG_TYPE, VDEV_TYPE_HOLE) == 0); 25161195e687SMark J Musante VERIFY(nvlist_add_uint64(schild[schildren], 25171195e687SMark J Musante ZPOOL_CONFIG_IS_HOLE, 1) == 0); 25181195e687SMark J Musante if (lastlogid == 0) 25191195e687SMark J Musante lastlogid = schildren; 25201195e687SMark J Musante ++schildren; 25211195e687SMark J Musante continue; 25221195e687SMark J Musante } 25231195e687SMark J Musante lastlogid = 0; 25241195e687SMark J Musante VERIFY(nvlist_lookup_nvlist_array(child[c], 25251195e687SMark J Musante ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); 25261195e687SMark J Musante VERIFY(nvlist_dup(mchild[0], &schild[schildren++], 0) == 0); 25271195e687SMark J Musante } 25281195e687SMark J Musante 25291195e687SMark J Musante /* OK, create a config that can be used to split */ 25301195e687SMark J Musante VERIFY(nvlist_alloc(&split, NV_UNIQUE_NAME, 0) == 0); 25311195e687SMark J Musante VERIFY(nvlist_add_string(split, ZPOOL_CONFIG_TYPE, 25321195e687SMark J Musante VDEV_TYPE_ROOT) == 0); 25331195e687SMark J Musante VERIFY(nvlist_add_nvlist_array(split, ZPOOL_CONFIG_CHILDREN, schild, 25341195e687SMark J Musante lastlogid != 0 ? lastlogid : schildren) == 0); 25351195e687SMark J Musante 25361195e687SMark J Musante VERIFY(nvlist_alloc(&config, NV_UNIQUE_NAME, 0) == 0); 25371195e687SMark J Musante VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, split) == 0); 25381195e687SMark J Musante 25391195e687SMark J Musante for (c = 0; c < schildren; c++) 25401195e687SMark J Musante nvlist_free(schild[c]); 25411195e687SMark J Musante free(schild); 25421195e687SMark J Musante nvlist_free(split); 25431195e687SMark J Musante 25441195e687SMark J Musante spa_config_exit(spa, SCL_VDEV, FTAG); 25451195e687SMark J Musante 2546*420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 25471195e687SMark J Musante error = spa_vdev_split_mirror(spa, "splitp", config, NULL, B_FALSE); 2548*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 25491195e687SMark J Musante 25501195e687SMark J Musante nvlist_free(config); 25511195e687SMark J Musante 25521195e687SMark J Musante if (error == 0) { 25531195e687SMark J Musante (void) printf("successful split - results:\n"); 25541195e687SMark J Musante mutex_enter(&spa_namespace_lock); 25551195e687SMark J Musante show_pool_stats(spa); 25561195e687SMark J Musante show_pool_stats(spa_lookup("splitp")); 25571195e687SMark J Musante mutex_exit(&spa_namespace_lock); 25581195e687SMark J Musante ++zs->zs_splits; 25591195e687SMark J Musante --zs->zs_mirrors; 25601195e687SMark J Musante } 2561*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 25621195e687SMark J Musante 25631195e687SMark J Musante } 25641195e687SMark J Musante 2565fa9e4066Sahrens /* 2566fa9e4066Sahrens * Verify that we can attach and detach devices. 2567fa9e4066Sahrens */ 2568b24ab676SJeff Bonwick /* ARGSUSED */ 2569fa9e4066Sahrens void 2570b24ab676SJeff Bonwick ztest_vdev_attach_detach(ztest_ds_t *zd, uint64_t id) 2571fa9e4066Sahrens { 2572b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 2573*420dfc95SChris Siden spa_t *spa = ztest_spa; 257431157203SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_spares; 2575fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 2576ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 2577e14bb325SJeff Bonwick nvlist_t *root; 25781195e687SMark J Musante uint64_t leaves; 2579fa9e4066Sahrens uint64_t leaf, top; 2580ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 25818ad4d6ddSJeff Bonwick uint64_t oldguid, pguid; 2582ea8dc4b6Seschrock size_t oldsize, newsize; 2583ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 2584fa9e4066Sahrens int replacing; 25859af0a4dfSJeff Bonwick int oldvd_has_siblings = B_FALSE; 258631157203SJeff Bonwick int newvd_is_spare = B_FALSE; 258731157203SJeff Bonwick int oldvd_is_log; 2588fa9e4066Sahrens int error, expected_error; 2589fa9e4066Sahrens 2590*420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2591*420dfc95SChris Siden leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz; 2592fa9e4066Sahrens 2593e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2594fa9e4066Sahrens 2595fa9e4066Sahrens /* 2596fa9e4066Sahrens * Decide whether to do an attach or a replace. 2597fa9e4066Sahrens */ 2598fa9e4066Sahrens replacing = ztest_random(2); 2599fa9e4066Sahrens 2600fa9e4066Sahrens /* 2601fa9e4066Sahrens * Pick a random top-level vdev. 2602fa9e4066Sahrens */ 2603b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2604fa9e4066Sahrens 2605fa9e4066Sahrens /* 2606fa9e4066Sahrens * Pick a random leaf within it. 2607fa9e4066Sahrens */ 2608d41c4376SMark J Musante leaf = ztest_random(leaves); 2609fa9e4066Sahrens 2610fa9e4066Sahrens /* 261131157203SJeff Bonwick * Locate this vdev. 2612fa9e4066Sahrens */ 261331157203SJeff Bonwick oldvd = rvd->vdev_child[top]; 26141195e687SMark J Musante if (zs->zs_mirrors >= 1) { 26158ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_mirror_ops); 26161195e687SMark J Musante ASSERT(oldvd->vdev_children >= zs->zs_mirrors); 2617*420dfc95SChris Siden oldvd = oldvd->vdev_child[leaf / ztest_opts.zo_raidz]; 26188ad4d6ddSJeff Bonwick } 2619*420dfc95SChris Siden if (ztest_opts.zo_raidz > 1) { 26208ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_raidz_ops); 2621*420dfc95SChris Siden ASSERT(oldvd->vdev_children == ztest_opts.zo_raidz); 2622*420dfc95SChris Siden oldvd = oldvd->vdev_child[leaf % ztest_opts.zo_raidz]; 26238ad4d6ddSJeff Bonwick } 2624fa9e4066Sahrens 2625fa9e4066Sahrens /* 262631157203SJeff Bonwick * If we're already doing an attach or replace, oldvd may be a 262731157203SJeff Bonwick * mirror vdev -- in which case, pick a random child. 2628fa9e4066Sahrens */ 262931157203SJeff Bonwick while (oldvd->vdev_children != 0) { 26309af0a4dfSJeff Bonwick oldvd_has_siblings = B_TRUE; 26318ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= 2); 26328ad4d6ddSJeff Bonwick oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)]; 263331157203SJeff Bonwick } 2634fa9e4066Sahrens 263531157203SJeff Bonwick oldguid = oldvd->vdev_guid; 2636573ca77eSGeorge Wilson oldsize = vdev_get_min_asize(oldvd); 263731157203SJeff Bonwick oldvd_is_log = oldvd->vdev_top->vdev_islog; 263831157203SJeff Bonwick (void) strcpy(oldpath, oldvd->vdev_path); 2639ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 26408ad4d6ddSJeff Bonwick pguid = pvd->vdev_guid; 2641fa9e4066Sahrens 26429af0a4dfSJeff Bonwick /* 26439af0a4dfSJeff Bonwick * If oldvd has siblings, then half of the time, detach it. 26449af0a4dfSJeff Bonwick */ 26459af0a4dfSJeff Bonwick if (oldvd_has_siblings && ztest_random(2) == 0) { 26469af0a4dfSJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 26478ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, oldguid, pguid, B_FALSE); 26488ad4d6ddSJeff Bonwick if (error != 0 && error != ENODEV && error != EBUSY && 26498ad4d6ddSJeff Bonwick error != ENOTSUP) 26508ad4d6ddSJeff Bonwick fatal(0, "detach (%s) returned %d", oldpath, error); 2651*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 26529af0a4dfSJeff Bonwick return; 26539af0a4dfSJeff Bonwick } 26549af0a4dfSJeff Bonwick 2655fa9e4066Sahrens /* 265631157203SJeff Bonwick * For the new vdev, choose with equal probability between the two 265731157203SJeff Bonwick * standard paths (ending in either 'a' or 'b') or a random hot spare. 2658fa9e4066Sahrens */ 265931157203SJeff Bonwick if (sav->sav_count != 0 && ztest_random(3) == 0) { 266031157203SJeff Bonwick newvd = sav->sav_vdevs[ztest_random(sav->sav_count)]; 266131157203SJeff Bonwick newvd_is_spare = B_TRUE; 266231157203SJeff Bonwick (void) strcpy(newpath, newvd->vdev_path); 266331157203SJeff Bonwick } else { 266431157203SJeff Bonwick (void) snprintf(newpath, sizeof (newpath), ztest_dev_template, 2665*420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 2666*420dfc95SChris Siden top * leaves + leaf); 266731157203SJeff Bonwick if (ztest_random(2) == 0) 266831157203SJeff Bonwick newpath[strlen(newpath) - 1] = 'b'; 266931157203SJeff Bonwick newvd = vdev_lookup_by_path(rvd, newpath); 267031157203SJeff Bonwick } 267131157203SJeff Bonwick 267231157203SJeff Bonwick if (newvd) { 2673573ca77eSGeorge Wilson newsize = vdev_get_min_asize(newvd); 267431157203SJeff Bonwick } else { 267531157203SJeff Bonwick /* 267631157203SJeff Bonwick * Make newsize a little bigger or smaller than oldsize. 267731157203SJeff Bonwick * If it's smaller, the attach should fail. 267831157203SJeff Bonwick * If it's larger, and we're doing a replace, 267931157203SJeff Bonwick * we should get dynamic LUN growth when we're done. 268031157203SJeff Bonwick */ 268131157203SJeff Bonwick newsize = 10 * oldsize / (9 + ztest_random(3)); 268231157203SJeff Bonwick } 2683fa9e4066Sahrens 2684fa9e4066Sahrens /* 2685fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 2686fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 2687fa9e4066Sahrens * 2688ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 2689fa9e4066Sahrens * 2690ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 2691fa9e4066Sahrens */ 269231157203SJeff Bonwick if (pvd->vdev_ops != &vdev_mirror_ops && 269331157203SJeff Bonwick pvd->vdev_ops != &vdev_root_ops && (!replacing || 269431157203SJeff Bonwick pvd->vdev_ops == &vdev_replacing_ops || 269531157203SJeff Bonwick pvd->vdev_ops == &vdev_spare_ops)) 269631157203SJeff Bonwick expected_error = ENOTSUP; 269731157203SJeff Bonwick else if (newvd_is_spare && (!replacing || oldvd_is_log)) 2698fa9e4066Sahrens expected_error = ENOTSUP; 269931157203SJeff Bonwick else if (newvd == oldvd) 270031157203SJeff Bonwick expected_error = replacing ? 0 : EBUSY; 270131157203SJeff Bonwick else if (vdev_lookup_by_path(rvd, newpath) != NULL) 270231157203SJeff Bonwick expected_error = EBUSY; 2703ea8dc4b6Seschrock else if (newsize < oldsize) 2704fa9e4066Sahrens expected_error = EOVERFLOW; 2705ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 2706ecc2d604Sbonwick expected_error = EDOM; 2707fa9e4066Sahrens else 2708fa9e4066Sahrens expected_error = 0; 2709fa9e4066Sahrens 2710e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2711fa9e4066Sahrens 2712fa9e4066Sahrens /* 2713ea8dc4b6Seschrock * Build the nvlist describing newpath. 2714fa9e4066Sahrens */ 2715e14bb325SJeff Bonwick root = make_vdev_root(newpath, NULL, newvd == NULL ? newsize : 0, 2716e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 2717fa9e4066Sahrens 271831157203SJeff Bonwick error = spa_vdev_attach(spa, oldguid, root, replacing); 2719fa9e4066Sahrens 2720fa9e4066Sahrens nvlist_free(root); 2721fa9e4066Sahrens 2722fa9e4066Sahrens /* 2723fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 2724fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 2725fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 2726fa9e4066Sahrens */ 2727fa9e4066Sahrens if (expected_error == ENOTSUP && 2728fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 2729fa9e4066Sahrens expected_error = error; 2730fa9e4066Sahrens 2731f0aa80d4Sbonwick /* 2732f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 2733f0aa80d4Sbonwick */ 2734088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 2735f0aa80d4Sbonwick expected_error = error; 2736f0aa80d4Sbonwick 2737088f3894Sahrens /* XXX workaround 6690467 */ 2738088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 2739088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 2740088f3894Sahrens "returned %d, expected %d", 2741088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 2742088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 2743fa9e4066Sahrens } 2744fa9e4066Sahrens 2745*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2746fa9e4066Sahrens } 2747fa9e4066Sahrens 2748573ca77eSGeorge Wilson /* 2749573ca77eSGeorge Wilson * Callback function which expands the physical size of the vdev. 2750573ca77eSGeorge Wilson */ 2751573ca77eSGeorge Wilson vdev_t * 2752573ca77eSGeorge Wilson grow_vdev(vdev_t *vd, void *arg) 2753573ca77eSGeorge Wilson { 2754573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2755573ca77eSGeorge Wilson size_t *newsize = arg; 2756573ca77eSGeorge Wilson size_t fsize; 2757573ca77eSGeorge Wilson int fd; 2758573ca77eSGeorge Wilson 2759573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2760573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2761573ca77eSGeorge Wilson 2762573ca77eSGeorge Wilson if ((fd = open(vd->vdev_path, O_RDWR)) == -1) 2763573ca77eSGeorge Wilson return (vd); 2764573ca77eSGeorge Wilson 2765573ca77eSGeorge Wilson fsize = lseek(fd, 0, SEEK_END); 2766573ca77eSGeorge Wilson (void) ftruncate(fd, *newsize); 2767573ca77eSGeorge Wilson 2768*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 2769573ca77eSGeorge Wilson (void) printf("%s grew from %lu to %lu bytes\n", 2770573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)fsize, (ulong_t)*newsize); 2771573ca77eSGeorge Wilson } 2772573ca77eSGeorge Wilson (void) close(fd); 2773573ca77eSGeorge Wilson return (NULL); 2774573ca77eSGeorge Wilson } 2775573ca77eSGeorge Wilson 2776573ca77eSGeorge Wilson /* 2777573ca77eSGeorge Wilson * Callback function which expands a given vdev by calling vdev_online(). 2778573ca77eSGeorge Wilson */ 2779573ca77eSGeorge Wilson /* ARGSUSED */ 2780573ca77eSGeorge Wilson vdev_t * 2781573ca77eSGeorge Wilson online_vdev(vdev_t *vd, void *arg) 2782573ca77eSGeorge Wilson { 2783573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 2784573ca77eSGeorge Wilson vdev_t *tvd = vd->vdev_top; 2785573ca77eSGeorge Wilson uint64_t guid = vd->vdev_guid; 27868f18d1faSGeorge Wilson uint64_t generation = spa->spa_config_generation + 1; 2787095bcd66SGeorge Wilson vdev_state_t newstate = VDEV_STATE_UNKNOWN; 2788095bcd66SGeorge Wilson int error; 2789573ca77eSGeorge Wilson 2790573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 2791573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2792573ca77eSGeorge Wilson 2793573ca77eSGeorge Wilson /* Calling vdev_online will initialize the new metaslabs */ 2794573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2795095bcd66SGeorge Wilson error = vdev_online(spa, guid, ZFS_ONLINE_EXPAND, &newstate); 2796573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2797573ca77eSGeorge Wilson 2798095bcd66SGeorge Wilson /* 2799095bcd66SGeorge Wilson * If vdev_online returned an error or the underlying vdev_open 2800095bcd66SGeorge Wilson * failed then we abort the expand. The only way to know that 2801095bcd66SGeorge Wilson * vdev_open fails is by checking the returned newstate. 2802095bcd66SGeorge Wilson */ 2803095bcd66SGeorge Wilson if (error || newstate != VDEV_STATE_HEALTHY) { 2804*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 2805095bcd66SGeorge Wilson (void) printf("Unable to expand vdev, state %llu, " 2806095bcd66SGeorge Wilson "error %d\n", (u_longlong_t)newstate, error); 2807095bcd66SGeorge Wilson } 2808095bcd66SGeorge Wilson return (vd); 2809095bcd66SGeorge Wilson } 2810095bcd66SGeorge Wilson ASSERT3U(newstate, ==, VDEV_STATE_HEALTHY); 2811095bcd66SGeorge Wilson 2812573ca77eSGeorge Wilson /* 2813573ca77eSGeorge Wilson * Since we dropped the lock we need to ensure that we're 2814573ca77eSGeorge Wilson * still talking to the original vdev. It's possible this 2815573ca77eSGeorge Wilson * vdev may have been detached/replaced while we were 2816573ca77eSGeorge Wilson * trying to online it. 2817573ca77eSGeorge Wilson */ 28188f18d1faSGeorge Wilson if (generation != spa->spa_config_generation) { 2819*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 28208f18d1faSGeorge Wilson (void) printf("vdev configuration has changed, " 28218f18d1faSGeorge Wilson "guid %llu, state %llu, expected gen %llu, " 2822b24ab676SJeff Bonwick "got gen %llu\n", 2823b24ab676SJeff Bonwick (u_longlong_t)guid, 28248f18d1faSGeorge Wilson (u_longlong_t)tvd->vdev_state, 28258f18d1faSGeorge Wilson (u_longlong_t)generation, 28268f18d1faSGeorge Wilson (u_longlong_t)spa->spa_config_generation); 2827573ca77eSGeorge Wilson } 2828573ca77eSGeorge Wilson return (vd); 2829573ca77eSGeorge Wilson } 2830573ca77eSGeorge Wilson return (NULL); 2831573ca77eSGeorge Wilson } 2832573ca77eSGeorge Wilson 2833573ca77eSGeorge Wilson /* 2834573ca77eSGeorge Wilson * Traverse the vdev tree calling the supplied function. 2835573ca77eSGeorge Wilson * We continue to walk the tree until we either have walked all 2836573ca77eSGeorge Wilson * children or we receive a non-NULL return from the callback. 2837573ca77eSGeorge Wilson * If a NULL callback is passed, then we just return back the first 2838573ca77eSGeorge Wilson * leaf vdev we encounter. 2839573ca77eSGeorge Wilson */ 2840573ca77eSGeorge Wilson vdev_t * 2841573ca77eSGeorge Wilson vdev_walk_tree(vdev_t *vd, vdev_t *(*func)(vdev_t *, void *), void *arg) 2842573ca77eSGeorge Wilson { 2843573ca77eSGeorge Wilson if (vd->vdev_ops->vdev_op_leaf) { 2844573ca77eSGeorge Wilson if (func == NULL) 2845573ca77eSGeorge Wilson return (vd); 2846573ca77eSGeorge Wilson else 2847573ca77eSGeorge Wilson return (func(vd, arg)); 2848573ca77eSGeorge Wilson } 2849573ca77eSGeorge Wilson 2850573ca77eSGeorge Wilson for (uint_t c = 0; c < vd->vdev_children; c++) { 2851573ca77eSGeorge Wilson vdev_t *cvd = vd->vdev_child[c]; 2852573ca77eSGeorge Wilson if ((cvd = vdev_walk_tree(cvd, func, arg)) != NULL) 2853573ca77eSGeorge Wilson return (cvd); 2854573ca77eSGeorge Wilson } 2855573ca77eSGeorge Wilson return (NULL); 2856573ca77eSGeorge Wilson } 2857573ca77eSGeorge Wilson 2858fa9e4066Sahrens /* 2859fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 2860fa9e4066Sahrens */ 2861b24ab676SJeff Bonwick /* ARGSUSED */ 2862fa9e4066Sahrens void 2863b24ab676SJeff Bonwick ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id) 2864fa9e4066Sahrens { 2865*420dfc95SChris Siden spa_t *spa = ztest_spa; 2866b24ab676SJeff Bonwick vdev_t *vd, *tvd; 2867b24ab676SJeff Bonwick metaslab_class_t *mc; 2868b24ab676SJeff Bonwick metaslab_group_t *mg; 2869573ca77eSGeorge Wilson size_t psize, newsize; 2870b24ab676SJeff Bonwick uint64_t top; 2871b24ab676SJeff Bonwick uint64_t old_class_space, new_class_space, old_ms_count, new_ms_count; 2872fa9e4066Sahrens 2873*420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 2874573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2875573ca77eSGeorge Wilson 2876b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 2877573ca77eSGeorge Wilson 2878b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 2879b24ab676SJeff Bonwick mg = tvd->vdev_mg; 2880b24ab676SJeff Bonwick mc = mg->mg_class; 2881b24ab676SJeff Bonwick old_ms_count = tvd->vdev_ms_count; 2882b24ab676SJeff Bonwick old_class_space = metaslab_class_get_space(mc); 2883fa9e4066Sahrens 2884fa9e4066Sahrens /* 2885573ca77eSGeorge Wilson * Determine the size of the first leaf vdev associated with 2886573ca77eSGeorge Wilson * our top-level device. 2887fa9e4066Sahrens */ 2888573ca77eSGeorge Wilson vd = vdev_walk_tree(tvd, NULL, NULL); 2889573ca77eSGeorge Wilson ASSERT3P(vd, !=, NULL); 2890573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 2891fa9e4066Sahrens 2892573ca77eSGeorge Wilson psize = vd->vdev_psize; 2893fa9e4066Sahrens 2894573ca77eSGeorge Wilson /* 28958f18d1faSGeorge Wilson * We only try to expand the vdev if it's healthy, less than 4x its 28968f18d1faSGeorge Wilson * original size, and it has a valid psize. 2897573ca77eSGeorge Wilson */ 28988f18d1faSGeorge Wilson if (tvd->vdev_state != VDEV_STATE_HEALTHY || 2899*420dfc95SChris Siden psize == 0 || psize >= 4 * ztest_opts.zo_vdev_size) { 2900573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2901*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2902573ca77eSGeorge Wilson return; 2903573ca77eSGeorge Wilson } 2904573ca77eSGeorge Wilson ASSERT(psize > 0); 2905573ca77eSGeorge Wilson newsize = psize + psize / 8; 2906573ca77eSGeorge Wilson ASSERT3U(newsize, >, psize); 2907fa9e4066Sahrens 2908*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) { 2909b24ab676SJeff Bonwick (void) printf("Expanding LUN %s from %lu to %lu\n", 2910573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)psize, (ulong_t)newsize); 2911573ca77eSGeorge Wilson } 2912573ca77eSGeorge Wilson 2913573ca77eSGeorge Wilson /* 2914573ca77eSGeorge Wilson * Growing the vdev is a two step process: 2915573ca77eSGeorge Wilson * 1). expand the physical size (i.e. relabel) 2916573ca77eSGeorge Wilson * 2). online the vdev to create the new metaslabs 2917573ca77eSGeorge Wilson */ 2918573ca77eSGeorge Wilson if (vdev_walk_tree(tvd, grow_vdev, &newsize) != NULL || 2919573ca77eSGeorge Wilson vdev_walk_tree(tvd, online_vdev, NULL) != NULL || 2920573ca77eSGeorge Wilson tvd->vdev_state != VDEV_STATE_HEALTHY) { 2921*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 2922b24ab676SJeff Bonwick (void) printf("Could not expand LUN because " 2923b24ab676SJeff Bonwick "the vdev configuration changed.\n"); 2924b24ab676SJeff Bonwick } 2925b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2926*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2927b24ab676SJeff Bonwick return; 2928b24ab676SJeff Bonwick } 2929b24ab676SJeff Bonwick 2930b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2931b24ab676SJeff Bonwick 2932b24ab676SJeff Bonwick /* 2933b24ab676SJeff Bonwick * Expanding the LUN will update the config asynchronously, 2934b24ab676SJeff Bonwick * thus we must wait for the async thread to complete any 2935b24ab676SJeff Bonwick * pending tasks before proceeding. 2936b24ab676SJeff Bonwick */ 2937b24ab676SJeff Bonwick for (;;) { 2938b24ab676SJeff Bonwick boolean_t done; 2939b24ab676SJeff Bonwick mutex_enter(&spa->spa_async_lock); 2940b24ab676SJeff Bonwick done = (spa->spa_async_thread == NULL && !spa->spa_async_tasks); 2941b24ab676SJeff Bonwick mutex_exit(&spa->spa_async_lock); 2942b24ab676SJeff Bonwick if (done) 2943b24ab676SJeff Bonwick break; 2944b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 2945b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 2946b24ab676SJeff Bonwick } 2947b24ab676SJeff Bonwick 2948b24ab676SJeff Bonwick spa_config_enter(spa, SCL_STATE, spa, RW_READER); 2949b24ab676SJeff Bonwick 2950b24ab676SJeff Bonwick tvd = spa->spa_root_vdev->vdev_child[top]; 2951b24ab676SJeff Bonwick new_ms_count = tvd->vdev_ms_count; 2952b24ab676SJeff Bonwick new_class_space = metaslab_class_get_space(mc); 2953b24ab676SJeff Bonwick 2954b24ab676SJeff Bonwick if (tvd->vdev_mg != mg || mg->mg_class != mc) { 2955*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 2956b24ab676SJeff Bonwick (void) printf("Could not verify LUN expansion due to " 2957b24ab676SJeff Bonwick "intervening vdev offline or remove.\n"); 2958fa9e4066Sahrens } 2959b24ab676SJeff Bonwick spa_config_exit(spa, SCL_STATE, spa); 2960*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2961573ca77eSGeorge Wilson return; 2962fa9e4066Sahrens } 2963fa9e4066Sahrens 2964573ca77eSGeorge Wilson /* 2965b24ab676SJeff Bonwick * Make sure we were able to grow the vdev. 2966573ca77eSGeorge Wilson */ 2967b24ab676SJeff Bonwick if (new_ms_count <= old_ms_count) 2968b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: ms_count %llu <= %llu\n", 2969b24ab676SJeff Bonwick old_ms_count, new_ms_count); 2970573ca77eSGeorge Wilson 2971573ca77eSGeorge Wilson /* 2972573ca77eSGeorge Wilson * Make sure we were able to grow the pool. 2973573ca77eSGeorge Wilson */ 2974b24ab676SJeff Bonwick if (new_class_space <= old_class_space) 2975b24ab676SJeff Bonwick fatal(0, "LUN expansion failed: class_space %llu <= %llu\n", 2976b24ab676SJeff Bonwick old_class_space, new_class_space); 2977b24ab676SJeff Bonwick 2978*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) { 2979573ca77eSGeorge Wilson char oldnumbuf[6], newnumbuf[6]; 2980573ca77eSGeorge Wilson 2981b24ab676SJeff Bonwick nicenum(old_class_space, oldnumbuf); 2982b24ab676SJeff Bonwick nicenum(new_class_space, newnumbuf); 2983573ca77eSGeorge Wilson (void) printf("%s grew from %s to %s\n", 2984573ca77eSGeorge Wilson spa->spa_name, oldnumbuf, newnumbuf); 2985573ca77eSGeorge Wilson } 2986b24ab676SJeff Bonwick 2987573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 2988*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 2989fa9e4066Sahrens } 2990fa9e4066Sahrens 2991b24ab676SJeff Bonwick /* 2992b24ab676SJeff Bonwick * Verify that dmu_objset_{create,destroy,open,close} work as expected. 2993b24ab676SJeff Bonwick */ 2994fa9e4066Sahrens /* ARGSUSED */ 2995fa9e4066Sahrens static void 2996b24ab676SJeff Bonwick ztest_objset_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 2997fa9e4066Sahrens { 2998fa9e4066Sahrens /* 2999b24ab676SJeff Bonwick * Create the objects common to all ztest datasets. 3000fa9e4066Sahrens */ 3001b24ab676SJeff Bonwick VERIFY(zap_create_claim(os, ZTEST_DIROBJ, 3002fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 3003fa9e4066Sahrens } 3004fa9e4066Sahrens 300555da60b9SMark J Musante static int 300655da60b9SMark J Musante ztest_dataset_create(char *dsname) 300755da60b9SMark J Musante { 300855da60b9SMark J Musante uint64_t zilset = ztest_random(100); 300955da60b9SMark J Musante int err = dmu_objset_create(dsname, DMU_OST_OTHER, 0, 301055da60b9SMark J Musante ztest_objset_create_cb, NULL); 301155da60b9SMark J Musante 301255da60b9SMark J Musante if (err || zilset < 80) 301355da60b9SMark J Musante return (err); 301455da60b9SMark J Musante 3015*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 3016*420dfc95SChris Siden (void) printf("Setting dataset %s to sync always\n", dsname); 301755da60b9SMark J Musante return (ztest_dsl_prop_set_uint64(dsname, ZFS_PROP_SYNC, 301855da60b9SMark J Musante ZFS_SYNC_ALWAYS, B_FALSE)); 301955da60b9SMark J Musante } 302055da60b9SMark J Musante 3021b24ab676SJeff Bonwick /* ARGSUSED */ 30221d452cf5Sahrens static int 3023fd136879SMatthew Ahrens ztest_objset_destroy_cb(const char *name, void *arg) 3024fa9e4066Sahrens { 3025fa9e4066Sahrens objset_t *os; 3026b24ab676SJeff Bonwick dmu_object_info_t doi; 3027fa9e4066Sahrens int error; 3028fa9e4066Sahrens 3029fa9e4066Sahrens /* 3030fa9e4066Sahrens * Verify that the dataset contains a directory object. 3031fa9e4066Sahrens */ 3032b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os)); 3033b24ab676SJeff Bonwick error = dmu_object_info(os, ZTEST_DIROBJ, &doi); 3034e1930233Sbonwick if (error != ENOENT) { 3035e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 3036e1930233Sbonwick ASSERT3U(error, ==, 0); 3037b24ab676SJeff Bonwick ASSERT3U(doi.doi_type, ==, DMU_OT_ZAP_OTHER); 3038b24ab676SJeff Bonwick ASSERT3S(doi.doi_physical_blocks_512, >=, 0); 3039e1930233Sbonwick } 3040503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 3041fa9e4066Sahrens 3042fa9e4066Sahrens /* 3043fa9e4066Sahrens * Destroy the dataset. 3044fa9e4066Sahrens */ 3045b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_objset_destroy(name, B_FALSE)); 30461d452cf5Sahrens return (0); 3047fa9e4066Sahrens } 3048fa9e4066Sahrens 3049b24ab676SJeff Bonwick static boolean_t 3050b24ab676SJeff Bonwick ztest_snapshot_create(char *osname, uint64_t id) 3051fa9e4066Sahrens { 3052b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 3053b24ab676SJeff Bonwick int error; 3054b24ab676SJeff Bonwick 3055b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 3056b24ab676SJeff Bonwick (u_longlong_t)id); 3057b24ab676SJeff Bonwick 3058b24ab676SJeff Bonwick error = dmu_objset_snapshot(osname, strchr(snapname, '@') + 1, 305999d5e173STim Haley NULL, NULL, B_FALSE, B_FALSE, -1); 3060b24ab676SJeff Bonwick if (error == ENOSPC) { 3061b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3062b24ab676SJeff Bonwick return (B_FALSE); 3063b24ab676SJeff Bonwick } 3064b24ab676SJeff Bonwick if (error != 0 && error != EEXIST) 3065b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_create(%s) = %d", snapname, error); 3066b24ab676SJeff Bonwick return (B_TRUE); 3067b24ab676SJeff Bonwick } 3068b24ab676SJeff Bonwick 3069b24ab676SJeff Bonwick static boolean_t 3070b24ab676SJeff Bonwick ztest_snapshot_destroy(char *osname, uint64_t id) 3071b24ab676SJeff Bonwick { 3072b24ab676SJeff Bonwick char snapname[MAXNAMELEN]; 3073b24ab676SJeff Bonwick int error; 3074b24ab676SJeff Bonwick 3075b24ab676SJeff Bonwick (void) snprintf(snapname, MAXNAMELEN, "%s@%llu", osname, 3076b24ab676SJeff Bonwick (u_longlong_t)id); 3077b24ab676SJeff Bonwick 3078b24ab676SJeff Bonwick error = dmu_objset_destroy(snapname, B_FALSE); 3079b24ab676SJeff Bonwick if (error != 0 && error != ENOENT) 3080b24ab676SJeff Bonwick fatal(0, "ztest_snapshot_destroy(%s) = %d", snapname, error); 3081b24ab676SJeff Bonwick return (B_TRUE); 3082fa9e4066Sahrens } 3083fa9e4066Sahrens 3084b24ab676SJeff Bonwick /* ARGSUSED */ 3085fa9e4066Sahrens void 3086b24ab676SJeff Bonwick ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64_t id) 3087fa9e4066Sahrens { 3088b24ab676SJeff Bonwick ztest_ds_t zdtmp; 3089b24ab676SJeff Bonwick int iters; 3090fa9e4066Sahrens int error; 3091745cd3c5Smaybee objset_t *os, *os2; 3092b24ab676SJeff Bonwick char name[MAXNAMELEN]; 3093fa9e4066Sahrens zilog_t *zilog; 3094fa9e4066Sahrens 3095*420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 3096b24ab676SJeff Bonwick 3097b24ab676SJeff Bonwick (void) snprintf(name, MAXNAMELEN, "%s/temp_%llu", 3098*420dfc95SChris Siden ztest_opts.zo_pool, (u_longlong_t)id); 3099fa9e4066Sahrens 3100fa9e4066Sahrens /* 3101fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 3102fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 3103b24ab676SJeff Bonwick * (invoked from ztest_objset_destroy_cb()) should just throw it away. 3104fa9e4066Sahrens */ 3105fa9e4066Sahrens if (ztest_random(2) == 0 && 3106503ad85cSMatthew Ahrens dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os) == 0) { 3107*420dfc95SChris Siden ztest_zd_init(&zdtmp, NULL, os); 3108b24ab676SJeff Bonwick zil_replay(os, &zdtmp, ztest_replay_vector); 3109b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3110503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3111fa9e4066Sahrens } 3112fa9e4066Sahrens 3113fa9e4066Sahrens /* 3114fa9e4066Sahrens * There may be an old instance of the dataset we're about to 3115fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 3116fa9e4066Sahrens * and all of its snapshots. 3117fa9e4066Sahrens */ 3118b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 31190b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 3120fa9e4066Sahrens 3121fa9e4066Sahrens /* 3122fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 3123fa9e4066Sahrens */ 3124b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, dmu_objset_hold(name, FTAG, &os)); 3125fa9e4066Sahrens 3126fa9e4066Sahrens /* 3127fa9e4066Sahrens * Verify that we can create a new dataset. 3128fa9e4066Sahrens */ 312955da60b9SMark J Musante error = ztest_dataset_create(name); 3130fa9e4066Sahrens if (error) { 3131fa9e4066Sahrens if (error == ENOSPC) { 3132b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3133*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3134fa9e4066Sahrens return; 3135fa9e4066Sahrens } 3136fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 3137fa9e4066Sahrens } 3138fa9e4066Sahrens 3139b24ab676SJeff Bonwick VERIFY3U(0, ==, 3140b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os)); 3141b24ab676SJeff Bonwick 3142*420dfc95SChris Siden ztest_zd_init(&zdtmp, NULL, os); 3143fa9e4066Sahrens 3144fa9e4066Sahrens /* 3145fa9e4066Sahrens * Open the intent log for it. 3146fa9e4066Sahrens */ 3147b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 3148fa9e4066Sahrens 3149fa9e4066Sahrens /* 3150b24ab676SJeff Bonwick * Put some objects in there, do a little I/O to them, 3151b24ab676SJeff Bonwick * and randomly take a couple of snapshots along the way. 3152fa9e4066Sahrens */ 3153b24ab676SJeff Bonwick iters = ztest_random(5); 3154b24ab676SJeff Bonwick for (int i = 0; i < iters; i++) { 3155b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(&zdtmp, id); 3156b24ab676SJeff Bonwick if (ztest_random(iters) == 0) 3157b24ab676SJeff Bonwick (void) ztest_snapshot_create(name, i); 3158fa9e4066Sahrens } 3159fa9e4066Sahrens 3160fa9e4066Sahrens /* 3161fa9e4066Sahrens * Verify that we cannot create an existing dataset. 3162fa9e4066Sahrens */ 3163b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, 3164b24ab676SJeff Bonwick dmu_objset_create(name, DMU_OST_OTHER, 0, NULL, NULL)); 3165fa9e4066Sahrens 3166fa9e4066Sahrens /* 3167503ad85cSMatthew Ahrens * Verify that we can hold an objset that is also owned. 3168745cd3c5Smaybee */ 3169b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_objset_hold(name, FTAG, &os2)); 3170503ad85cSMatthew Ahrens dmu_objset_rele(os2, FTAG); 3171503ad85cSMatthew Ahrens 3172503ad85cSMatthew Ahrens /* 3173b24ab676SJeff Bonwick * Verify that we cannot own an objset that is already owned. 3174503ad85cSMatthew Ahrens */ 3175b24ab676SJeff Bonwick VERIFY3U(EBUSY, ==, 3176b24ab676SJeff Bonwick dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os2)); 3177fa9e4066Sahrens 3178fa9e4066Sahrens zil_close(zilog); 3179503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 3180b24ab676SJeff Bonwick ztest_zd_fini(&zdtmp); 3181fa9e4066Sahrens 3182*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3183fa9e4066Sahrens } 3184fa9e4066Sahrens 3185fa9e4066Sahrens /* 3186fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 3187fa9e4066Sahrens */ 3188fa9e4066Sahrens void 3189b24ab676SJeff Bonwick ztest_dmu_snapshot_create_destroy(ztest_ds_t *zd, uint64_t id) 3190fa9e4066Sahrens { 3191*420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 3192b24ab676SJeff Bonwick (void) ztest_snapshot_destroy(zd->zd_name, id); 3193b24ab676SJeff Bonwick (void) ztest_snapshot_create(zd->zd_name, id); 3194*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 31954f5064b7SMark J Musante } 31964f5064b7SMark J Musante 3197718d718aSGeorge Wilson /* 3198718d718aSGeorge Wilson * Cleanup non-standard snapshots and clones. 3199718d718aSGeorge Wilson */ 3200718d718aSGeorge Wilson void 3201b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(char *osname, uint64_t id) 3202718d718aSGeorge Wilson { 3203b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3204b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3205b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3206b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3207b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3208718d718aSGeorge Wilson int error; 3209718d718aSGeorge Wilson 3210b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3211b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3212b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3213b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3214b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 3215718d718aSGeorge Wilson 3216842727c2SChris Kirby error = dmu_objset_destroy(clone2name, B_FALSE); 3217718d718aSGeorge Wilson if (error && error != ENOENT) 3218718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone2name, error); 3219842727c2SChris Kirby error = dmu_objset_destroy(snap3name, B_FALSE); 3220718d718aSGeorge Wilson if (error && error != ENOENT) 3221718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap3name, error); 3222842727c2SChris Kirby error = dmu_objset_destroy(snap2name, B_FALSE); 3223718d718aSGeorge Wilson if (error && error != ENOENT) 3224718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error); 3225842727c2SChris Kirby error = dmu_objset_destroy(clone1name, B_FALSE); 3226718d718aSGeorge Wilson if (error && error != ENOENT) 3227718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone1name, error); 3228842727c2SChris Kirby error = dmu_objset_destroy(snap1name, B_FALSE); 3229718d718aSGeorge Wilson if (error && error != ENOENT) 3230718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap1name, error); 3231718d718aSGeorge Wilson } 3232718d718aSGeorge Wilson 32334f5064b7SMark J Musante /* 32344f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 32354f5064b7SMark J Musante */ 32364f5064b7SMark J Musante void 3237b24ab676SJeff Bonwick ztest_dsl_dataset_promote_busy(ztest_ds_t *zd, uint64_t id) 32384f5064b7SMark J Musante { 32394f5064b7SMark J Musante objset_t *clone; 32404f5064b7SMark J Musante dsl_dataset_t *ds; 3241b24ab676SJeff Bonwick char snap1name[MAXNAMELEN]; 3242b24ab676SJeff Bonwick char clone1name[MAXNAMELEN]; 3243b24ab676SJeff Bonwick char snap2name[MAXNAMELEN]; 3244b24ab676SJeff Bonwick char clone2name[MAXNAMELEN]; 3245b24ab676SJeff Bonwick char snap3name[MAXNAMELEN]; 3246b24ab676SJeff Bonwick char *osname = zd->zd_name; 3247b24ab676SJeff Bonwick int error; 32484f5064b7SMark J Musante 3249*420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 32504f5064b7SMark J Musante 3251b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 3252718d718aSGeorge Wilson 3253b24ab676SJeff Bonwick (void) snprintf(snap1name, MAXNAMELEN, "%s@s1_%llu", osname, id); 3254b24ab676SJeff Bonwick (void) snprintf(clone1name, MAXNAMELEN, "%s/c1_%llu", osname, id); 3255b24ab676SJeff Bonwick (void) snprintf(snap2name, MAXNAMELEN, "%s@s2_%llu", clone1name, id); 3256b24ab676SJeff Bonwick (void) snprintf(clone2name, MAXNAMELEN, "%s/c2_%llu", osname, id); 3257b24ab676SJeff Bonwick (void) snprintf(snap3name, MAXNAMELEN, "%s@s3_%llu", clone1name, id); 325805312e2cSMark J Musante 3259ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(osname, strchr(snap1name, '@')+1, 326099d5e173STim Haley NULL, NULL, B_FALSE, B_FALSE, -1); 3261b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3262b2d22b66SGeorge Wilson if (error == ENOSPC) { 3263b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3264b2d22b66SGeorge Wilson goto out; 3265b2d22b66SGeorge Wilson } 3266b2d22b66SGeorge Wilson fatal(0, "dmu_take_snapshot(%s) = %d", snap1name, error); 3267b2d22b66SGeorge Wilson } 32684f5064b7SMark J Musante 3269503ad85cSMatthew Ahrens error = dmu_objset_hold(snap1name, FTAG, &clone); 32704f5064b7SMark J Musante if (error) 32714f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap1name, error); 32724f5064b7SMark J Musante 3273ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone1name, dmu_objset_ds(clone), 0); 3274503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3275b2d22b66SGeorge Wilson if (error) { 3276b2d22b66SGeorge Wilson if (error == ENOSPC) { 3277b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3278b2d22b66SGeorge Wilson goto out; 3279b2d22b66SGeorge Wilson } 3280b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 3281b2d22b66SGeorge Wilson } 32824f5064b7SMark J Musante 32834f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap2name, '@')+1, 328499d5e173STim Haley NULL, NULL, B_FALSE, B_FALSE, -1); 3285b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3286b2d22b66SGeorge Wilson if (error == ENOSPC) { 3287b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3288b2d22b66SGeorge Wilson goto out; 3289b2d22b66SGeorge Wilson } 3290b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap2name, error); 3291b2d22b66SGeorge Wilson } 32924f5064b7SMark J Musante 32934f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap3name, '@')+1, 329499d5e173STim Haley NULL, NULL, B_FALSE, B_FALSE, -1); 3295b2d22b66SGeorge Wilson if (error && error != EEXIST) { 3296b2d22b66SGeorge Wilson if (error == ENOSPC) { 3297b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3298b2d22b66SGeorge Wilson goto out; 3299b2d22b66SGeorge Wilson } 3300b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 3301b2d22b66SGeorge Wilson } 33024f5064b7SMark J Musante 3303503ad85cSMatthew Ahrens error = dmu_objset_hold(snap3name, FTAG, &clone); 33044f5064b7SMark J Musante if (error) 33054f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 33064f5064b7SMark J Musante 3307ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone2name, dmu_objset_ds(clone), 0); 3308503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 3309b2d22b66SGeorge Wilson if (error) { 3310b2d22b66SGeorge Wilson if (error == ENOSPC) { 3311b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 3312b2d22b66SGeorge Wilson goto out; 3313b2d22b66SGeorge Wilson } 3314b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 3315b2d22b66SGeorge Wilson } 33164f5064b7SMark J Musante 3317cde58dbcSMatthew Ahrens error = dsl_dataset_own(snap2name, B_FALSE, FTAG, &ds); 33184f5064b7SMark J Musante if (error) 3319cde58dbcSMatthew Ahrens fatal(0, "dsl_dataset_own(%s) = %d", snap2name, error); 3320681d9761SEric Taylor error = dsl_dataset_promote(clone2name, NULL); 33214f5064b7SMark J Musante if (error != EBUSY) 33224f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 33234f5064b7SMark J Musante error); 33244f5064b7SMark J Musante dsl_dataset_disown(ds, FTAG); 33254f5064b7SMark J Musante 3326b2d22b66SGeorge Wilson out: 3327b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(osname, id); 33284f5064b7SMark J Musante 3329*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 3330fa9e4066Sahrens } 3331fa9e4066Sahrens 3332fa9e4066Sahrens /* 3333fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 3334fa9e4066Sahrens */ 3335fa9e4066Sahrens void 3336b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(ztest_ds_t *zd, uint64_t id) 3337fa9e4066Sahrens { 3338b24ab676SJeff Bonwick ztest_od_t od[4]; 3339b24ab676SJeff Bonwick int batchsize = sizeof (od) / sizeof (od[0]); 3340fa9e4066Sahrens 3341b24ab676SJeff Bonwick for (int b = 0; b < batchsize; b++) 3342b24ab676SJeff Bonwick ztest_od_init(&od[b], id, FTAG, b, DMU_OT_UINT64_OTHER, 0, 0); 3343fa9e4066Sahrens 3344fa9e4066Sahrens /* 3345b24ab676SJeff Bonwick * Destroy the previous batch of objects, create a new batch, 3346b24ab676SJeff Bonwick * and do some I/O on the new objects. 3347fa9e4066Sahrens */ 3348b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_TRUE) != 0) 3349b24ab676SJeff Bonwick return; 3350fa9e4066Sahrens 3351b24ab676SJeff Bonwick while (ztest_random(4 * batchsize) != 0) 3352b24ab676SJeff Bonwick ztest_io(zd, od[ztest_random(batchsize)].od_object, 3353b24ab676SJeff Bonwick ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3354fa9e4066Sahrens } 3355fa9e4066Sahrens 3356fa9e4066Sahrens /* 3357fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 3358fa9e4066Sahrens */ 3359fa9e4066Sahrens void 3360b24ab676SJeff Bonwick ztest_dmu_read_write(ztest_ds_t *zd, uint64_t id) 3361fa9e4066Sahrens { 3362b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3363b24ab676SJeff Bonwick ztest_od_t od[2]; 3364fa9e4066Sahrens dmu_tx_t *tx; 3365fa9e4066Sahrens int i, freeit, error; 3366fa9e4066Sahrens uint64_t n, s, txg; 3367fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 3368b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3369b24ab676SJeff Bonwick uint64_t chunksize = (1000 + ztest_random(1000)) * sizeof (uint64_t); 3370fa9e4066Sahrens uint64_t regions = 997; 3371fa9e4066Sahrens uint64_t stride = 123456789ULL; 3372fa9e4066Sahrens uint64_t width = 40; 3373fa9e4066Sahrens int free_percent = 5; 3374fa9e4066Sahrens 3375fa9e4066Sahrens /* 3376fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 3377fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 3378fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 3379fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 3380fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 3381fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 3382fa9e4066Sahrens * 3383fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 3384fa9e4066Sahrens * bigobj, at the head of the nth chunk 3385fa9e4066Sahrens * bigobj, at the tail of the nth chunk 3386fa9e4066Sahrens * 3387fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 3388fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 3389fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 3390fa9e4066Sahrens * 3391fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 3392fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 3393fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 3394fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 3395fa9e4066Sahrens * tracking which parts of an object are allocated and free, 3396fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 3397fa9e4066Sahrens */ 3398fa9e4066Sahrens 3399fa9e4066Sahrens /* 3400fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 3401fa9e4066Sahrens */ 3402b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, chunksize); 3403b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 3404fa9e4066Sahrens 3405b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3406b24ab676SJeff Bonwick return; 3407fa9e4066Sahrens 3408b24ab676SJeff Bonwick bigobj = od[0].od_object; 3409b24ab676SJeff Bonwick packobj = od[1].od_object; 3410b24ab676SJeff Bonwick chunksize = od[0].od_gen; 3411b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 3412fa9e4066Sahrens 3413fa9e4066Sahrens /* 3414fa9e4066Sahrens * Prefetch a random chunk of the big object. 3415fa9e4066Sahrens * Our aim here is to get some async reads in flight 3416fa9e4066Sahrens * for blocks that we may free below; the DMU should 3417fa9e4066Sahrens * handle this race correctly. 3418fa9e4066Sahrens */ 3419fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3420fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 3421b24ab676SJeff Bonwick dmu_prefetch(os, bigobj, n * chunksize, s * chunksize); 3422fa9e4066Sahrens 3423fa9e4066Sahrens /* 3424fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 3425fa9e4066Sahrens */ 3426fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 3427fa9e4066Sahrens s = 1 + ztest_random(width - 1); 3428fa9e4066Sahrens 3429fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 3430fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 3431fa9e4066Sahrens 3432b24ab676SJeff Bonwick bigoff = n * chunksize; 3433b24ab676SJeff Bonwick bigsize = s * chunksize; 3434fa9e4066Sahrens 3435fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 3436fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 3437fa9e4066Sahrens 3438fa9e4066Sahrens /* 3439fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 3440fa9e4066Sahrens * overwriting it. 3441fa9e4066Sahrens */ 3442fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 3443fa9e4066Sahrens 3444fa9e4066Sahrens /* 3445fa9e4066Sahrens * Read the current contents of our objects. 3446fa9e4066Sahrens */ 3447b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, packsize, packbuf, 34487bfdf011SNeil Perrin DMU_READ_PREFETCH); 3449ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 3450b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, bigbuf, 34517bfdf011SNeil Perrin DMU_READ_PREFETCH); 3452ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 3453fa9e4066Sahrens 3454fa9e4066Sahrens /* 3455fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 3456fa9e4066Sahrens */ 3457fa9e4066Sahrens tx = dmu_tx_create(os); 3458fa9e4066Sahrens 3459b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3460fa9e4066Sahrens 3461fa9e4066Sahrens if (freeit) 3462b24ab676SJeff Bonwick dmu_tx_hold_free(tx, bigobj, bigoff, bigsize); 3463fa9e4066Sahrens else 3464b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 3465fa9e4066Sahrens 3466b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3467b24ab676SJeff Bonwick if (txg == 0) { 3468fa9e4066Sahrens umem_free(packbuf, packsize); 3469fa9e4066Sahrens umem_free(bigbuf, bigsize); 3470fa9e4066Sahrens return; 3471fa9e4066Sahrens } 3472fa9e4066Sahrens 3473b24ab676SJeff Bonwick dmu_object_set_checksum(os, bigobj, 3474b24ab676SJeff Bonwick (enum zio_checksum)ztest_random_dsl_prop(ZFS_PROP_CHECKSUM), tx); 3475b24ab676SJeff Bonwick 3476b24ab676SJeff Bonwick dmu_object_set_compress(os, bigobj, 3477b24ab676SJeff Bonwick (enum zio_compress)ztest_random_dsl_prop(ZFS_PROP_COMPRESSION), tx); 3478fa9e4066Sahrens 3479fa9e4066Sahrens /* 3480fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 3481fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 3482fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 3483fa9e4066Sahrens * with the new values we want to write out. 3484fa9e4066Sahrens */ 3485fa9e4066Sahrens for (i = 0; i < s; i++) { 3486fa9e4066Sahrens /* LINTED */ 3487fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 3488fa9e4066Sahrens /* LINTED */ 3489b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 3490fa9e4066Sahrens /* LINTED */ 3491b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 3492fa9e4066Sahrens 3493fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 3494fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 3495fa9e4066Sahrens 3496fa9e4066Sahrens if (pack->bw_txg > txg) 3497fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 3498fa9e4066Sahrens pack->bw_txg, txg); 3499fa9e4066Sahrens 3500fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 3501fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 3502fa9e4066Sahrens pack->bw_index, n, i); 3503fa9e4066Sahrens 3504fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 3505fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 3506fa9e4066Sahrens 3507fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 3508fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 3509fa9e4066Sahrens 3510fa9e4066Sahrens if (freeit) { 3511fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 3512fa9e4066Sahrens } else { 3513fa9e4066Sahrens pack->bw_index = n + i; 3514fa9e4066Sahrens pack->bw_txg = txg; 3515fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 3516fa9e4066Sahrens } 3517fa9e4066Sahrens *bigH = *pack; 3518fa9e4066Sahrens *bigT = *pack; 3519fa9e4066Sahrens } 3520fa9e4066Sahrens 3521fa9e4066Sahrens /* 3522fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 3523fa9e4066Sahrens * Now write them out. 3524fa9e4066Sahrens */ 3525b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3526fa9e4066Sahrens 3527fa9e4066Sahrens if (freeit) { 3528*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 3529fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 3530fa9e4066Sahrens " txg %llx\n", 3531fa9e4066Sahrens (u_longlong_t)bigoff, 3532fa9e4066Sahrens (u_longlong_t)bigsize, 3533fa9e4066Sahrens (u_longlong_t)txg); 3534fa9e4066Sahrens } 3535b24ab676SJeff Bonwick VERIFY(0 == dmu_free_range(os, bigobj, bigoff, bigsize, tx)); 3536fa9e4066Sahrens } else { 3537*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 3538fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 3539fa9e4066Sahrens " txg %llx\n", 3540fa9e4066Sahrens (u_longlong_t)bigoff, 3541fa9e4066Sahrens (u_longlong_t)bigsize, 3542fa9e4066Sahrens (u_longlong_t)txg); 3543fa9e4066Sahrens } 3544b24ab676SJeff Bonwick dmu_write(os, bigobj, bigoff, bigsize, bigbuf, tx); 3545fa9e4066Sahrens } 3546fa9e4066Sahrens 3547fa9e4066Sahrens dmu_tx_commit(tx); 3548fa9e4066Sahrens 3549fa9e4066Sahrens /* 3550fa9e4066Sahrens * Sanity check the stuff we just wrote. 3551fa9e4066Sahrens */ 3552fa9e4066Sahrens { 3553fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 3554fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 3555fa9e4066Sahrens 3556b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 35577bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3558b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 35597bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 3560fa9e4066Sahrens 3561fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 3562fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 3563fa9e4066Sahrens 3564fa9e4066Sahrens umem_free(packcheck, packsize); 3565fa9e4066Sahrens umem_free(bigcheck, bigsize); 3566fa9e4066Sahrens } 3567fa9e4066Sahrens 3568fa9e4066Sahrens umem_free(packbuf, packsize); 3569fa9e4066Sahrens umem_free(bigbuf, bigsize); 3570fa9e4066Sahrens } 3571fa9e4066Sahrens 35722fdbea25SAleksandr Guzovskiy void 35732fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(uint64_t s, bufwad_t *packbuf, bufwad_t *bigbuf, 3574b24ab676SJeff Bonwick uint64_t bigsize, uint64_t n, uint64_t chunksize, uint64_t txg) 35752fdbea25SAleksandr Guzovskiy { 35762fdbea25SAleksandr Guzovskiy uint64_t i; 35772fdbea25SAleksandr Guzovskiy bufwad_t *pack; 35782fdbea25SAleksandr Guzovskiy bufwad_t *bigH; 35792fdbea25SAleksandr Guzovskiy bufwad_t *bigT; 35802fdbea25SAleksandr Guzovskiy 35812fdbea25SAleksandr Guzovskiy /* 35822fdbea25SAleksandr Guzovskiy * For each index from n to n + s, verify that the existing bufwad 35832fdbea25SAleksandr Guzovskiy * in packobj matches the bufwads at the head and tail of the 35842fdbea25SAleksandr Guzovskiy * corresponding chunk in bigobj. Then update all three bufwads 35852fdbea25SAleksandr Guzovskiy * with the new values we want to write out. 35862fdbea25SAleksandr Guzovskiy */ 35872fdbea25SAleksandr Guzovskiy for (i = 0; i < s; i++) { 35882fdbea25SAleksandr Guzovskiy /* LINTED */ 35892fdbea25SAleksandr Guzovskiy pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 35902fdbea25SAleksandr Guzovskiy /* LINTED */ 3591b24ab676SJeff Bonwick bigH = (bufwad_t *)((char *)bigbuf + i * chunksize); 35922fdbea25SAleksandr Guzovskiy /* LINTED */ 3593b24ab676SJeff Bonwick bigT = (bufwad_t *)((char *)bigH + chunksize) - 1; 35942fdbea25SAleksandr Guzovskiy 35952fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 35962fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 35972fdbea25SAleksandr Guzovskiy 35982fdbea25SAleksandr Guzovskiy if (pack->bw_txg > txg) 35992fdbea25SAleksandr Guzovskiy fatal(0, "future leak: got %llx, open txg is %llx", 36002fdbea25SAleksandr Guzovskiy pack->bw_txg, txg); 36012fdbea25SAleksandr Guzovskiy 36022fdbea25SAleksandr Guzovskiy if (pack->bw_data != 0 && pack->bw_index != n + i) 36032fdbea25SAleksandr Guzovskiy fatal(0, "wrong index: got %llx, wanted %llx+%llx", 36042fdbea25SAleksandr Guzovskiy pack->bw_index, n, i); 36052fdbea25SAleksandr Guzovskiy 36062fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 36072fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 36082fdbea25SAleksandr Guzovskiy 36092fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 36102fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 36112fdbea25SAleksandr Guzovskiy 36122fdbea25SAleksandr Guzovskiy pack->bw_index = n + i; 36132fdbea25SAleksandr Guzovskiy pack->bw_txg = txg; 36142fdbea25SAleksandr Guzovskiy pack->bw_data = 1 + ztest_random(-2ULL); 36152fdbea25SAleksandr Guzovskiy 36162fdbea25SAleksandr Guzovskiy *bigH = *pack; 36172fdbea25SAleksandr Guzovskiy *bigT = *pack; 36182fdbea25SAleksandr Guzovskiy } 36192fdbea25SAleksandr Guzovskiy } 36202fdbea25SAleksandr Guzovskiy 36212fdbea25SAleksandr Guzovskiy void 3622b24ab676SJeff Bonwick ztest_dmu_read_write_zcopy(ztest_ds_t *zd, uint64_t id) 36232fdbea25SAleksandr Guzovskiy { 3624b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3625b24ab676SJeff Bonwick ztest_od_t od[2]; 36262fdbea25SAleksandr Guzovskiy dmu_tx_t *tx; 36272fdbea25SAleksandr Guzovskiy uint64_t i; 36282fdbea25SAleksandr Guzovskiy int error; 36292fdbea25SAleksandr Guzovskiy uint64_t n, s, txg; 36302fdbea25SAleksandr Guzovskiy bufwad_t *packbuf, *bigbuf; 3631b24ab676SJeff Bonwick uint64_t packobj, packoff, packsize, bigobj, bigoff, bigsize; 3632b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3633b24ab676SJeff Bonwick uint64_t chunksize = blocksize; 36342fdbea25SAleksandr Guzovskiy uint64_t regions = 997; 36352fdbea25SAleksandr Guzovskiy uint64_t stride = 123456789ULL; 36362fdbea25SAleksandr Guzovskiy uint64_t width = 9; 36372fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 36382fdbea25SAleksandr Guzovskiy arc_buf_t **bigbuf_arcbufs; 3639b24ab676SJeff Bonwick dmu_object_info_t doi; 36402fdbea25SAleksandr Guzovskiy 36412fdbea25SAleksandr Guzovskiy /* 36422fdbea25SAleksandr Guzovskiy * This test uses two objects, packobj and bigobj, that are always 36432fdbea25SAleksandr Guzovskiy * updated together (i.e. in the same tx) so that their contents are 36442fdbea25SAleksandr Guzovskiy * in sync and can be compared. Their contents relate to each other 36452fdbea25SAleksandr Guzovskiy * in a simple way: packobj is a dense array of 'bufwad' structures, 36462fdbea25SAleksandr Guzovskiy * while bigobj is a sparse array of the same bufwads. Specifically, 36472fdbea25SAleksandr Guzovskiy * for any index n, there are three bufwads that should be identical: 36482fdbea25SAleksandr Guzovskiy * 36492fdbea25SAleksandr Guzovskiy * packobj, at offset n * sizeof (bufwad_t) 36502fdbea25SAleksandr Guzovskiy * bigobj, at the head of the nth chunk 36512fdbea25SAleksandr Guzovskiy * bigobj, at the tail of the nth chunk 36522fdbea25SAleksandr Guzovskiy * 36532fdbea25SAleksandr Guzovskiy * The chunk size is set equal to bigobj block size so that 36542fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() can be tested for object updates. 36552fdbea25SAleksandr Guzovskiy */ 36562fdbea25SAleksandr Guzovskiy 36572fdbea25SAleksandr Guzovskiy /* 36582fdbea25SAleksandr Guzovskiy * Read the directory info. If it's the first time, set things up. 36592fdbea25SAleksandr Guzovskiy */ 3660b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3661b24ab676SJeff Bonwick ztest_od_init(&od[1], id, FTAG, 1, DMU_OT_UINT64_OTHER, 0, chunksize); 36622fdbea25SAleksandr Guzovskiy 3663b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3664b24ab676SJeff Bonwick return; 36652fdbea25SAleksandr Guzovskiy 3666b24ab676SJeff Bonwick bigobj = od[0].od_object; 3667b24ab676SJeff Bonwick packobj = od[1].od_object; 3668b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 3669b24ab676SJeff Bonwick chunksize = blocksize; 3670b24ab676SJeff Bonwick ASSERT(chunksize == od[1].od_gen); 36712fdbea25SAleksandr Guzovskiy 3672b24ab676SJeff Bonwick VERIFY(dmu_object_info(os, bigobj, &doi) == 0); 3673b24ab676SJeff Bonwick VERIFY(ISP2(doi.doi_data_block_size)); 3674b24ab676SJeff Bonwick VERIFY(chunksize == doi.doi_data_block_size); 3675b24ab676SJeff Bonwick VERIFY(chunksize >= 2 * sizeof (bufwad_t)); 36762fdbea25SAleksandr Guzovskiy 36772fdbea25SAleksandr Guzovskiy /* 36782fdbea25SAleksandr Guzovskiy * Pick a random index and compute the offsets into packobj and bigobj. 36792fdbea25SAleksandr Guzovskiy */ 36802fdbea25SAleksandr Guzovskiy n = ztest_random(regions) * stride + ztest_random(width); 36812fdbea25SAleksandr Guzovskiy s = 1 + ztest_random(width - 1); 36822fdbea25SAleksandr Guzovskiy 36832fdbea25SAleksandr Guzovskiy packoff = n * sizeof (bufwad_t); 36842fdbea25SAleksandr Guzovskiy packsize = s * sizeof (bufwad_t); 36852fdbea25SAleksandr Guzovskiy 3686b24ab676SJeff Bonwick bigoff = n * chunksize; 3687b24ab676SJeff Bonwick bigsize = s * chunksize; 36882fdbea25SAleksandr Guzovskiy 36892fdbea25SAleksandr Guzovskiy packbuf = umem_zalloc(packsize, UMEM_NOFAIL); 36902fdbea25SAleksandr Guzovskiy bigbuf = umem_zalloc(bigsize, UMEM_NOFAIL); 36912fdbea25SAleksandr Guzovskiy 3692b24ab676SJeff Bonwick VERIFY3U(0, ==, dmu_bonus_hold(os, bigobj, FTAG, &bonus_db)); 36932fdbea25SAleksandr Guzovskiy 36942fdbea25SAleksandr Guzovskiy bigbuf_arcbufs = umem_zalloc(2 * s * sizeof (arc_buf_t *), UMEM_NOFAIL); 36952fdbea25SAleksandr Guzovskiy 36962fdbea25SAleksandr Guzovskiy /* 36972fdbea25SAleksandr Guzovskiy * Iteration 0 test zcopy for DB_UNCACHED dbufs. 36982fdbea25SAleksandr Guzovskiy * Iteration 1 test zcopy to already referenced dbufs. 36992fdbea25SAleksandr Guzovskiy * Iteration 2 test zcopy to dirty dbuf in the same txg. 37002fdbea25SAleksandr Guzovskiy * Iteration 3 test zcopy to dbuf dirty in previous txg. 37012fdbea25SAleksandr Guzovskiy * Iteration 4 test zcopy when dbuf is no longer dirty. 37022fdbea25SAleksandr Guzovskiy * Iteration 5 test zcopy when it can't be done. 37032fdbea25SAleksandr Guzovskiy * Iteration 6 one more zcopy write. 37042fdbea25SAleksandr Guzovskiy */ 37052fdbea25SAleksandr Guzovskiy for (i = 0; i < 7; i++) { 37062fdbea25SAleksandr Guzovskiy uint64_t j; 37072fdbea25SAleksandr Guzovskiy uint64_t off; 37082fdbea25SAleksandr Guzovskiy 37092fdbea25SAleksandr Guzovskiy /* 37102fdbea25SAleksandr Guzovskiy * In iteration 5 (i == 5) use arcbufs 37112fdbea25SAleksandr Guzovskiy * that don't match bigobj blksz to test 37122fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() when it can't directly 37132fdbea25SAleksandr Guzovskiy * assign an arcbuf to a dbuf. 37142fdbea25SAleksandr Guzovskiy */ 37152fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 37162fdbea25SAleksandr Guzovskiy if (i != 5) { 37172fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j] = 3718b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize); 37192fdbea25SAleksandr Guzovskiy } else { 37202fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j] = 3721b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 37222fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1] = 3723b24ab676SJeff Bonwick dmu_request_arcbuf(bonus_db, chunksize / 2); 37242fdbea25SAleksandr Guzovskiy } 37252fdbea25SAleksandr Guzovskiy } 37262fdbea25SAleksandr Guzovskiy 37272fdbea25SAleksandr Guzovskiy /* 37282fdbea25SAleksandr Guzovskiy * Get a tx for the mods to both packobj and bigobj. 37292fdbea25SAleksandr Guzovskiy */ 37302fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 37312fdbea25SAleksandr Guzovskiy 3732b24ab676SJeff Bonwick dmu_tx_hold_write(tx, packobj, packoff, packsize); 3733b24ab676SJeff Bonwick dmu_tx_hold_write(tx, bigobj, bigoff, bigsize); 37342fdbea25SAleksandr Guzovskiy 3735b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3736b24ab676SJeff Bonwick if (txg == 0) { 37372fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 37382fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 37392fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 37402fdbea25SAleksandr Guzovskiy if (i != 5) { 37412fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(bigbuf_arcbufs[j]); 37422fdbea25SAleksandr Guzovskiy } else { 37432fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 37442fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]); 37452fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 37462fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]); 37472fdbea25SAleksandr Guzovskiy } 37482fdbea25SAleksandr Guzovskiy } 37492fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 37502fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 37512fdbea25SAleksandr Guzovskiy return; 37522fdbea25SAleksandr Guzovskiy } 37532fdbea25SAleksandr Guzovskiy 37542fdbea25SAleksandr Guzovskiy /* 37552fdbea25SAleksandr Guzovskiy * 50% of the time don't read objects in the 1st iteration to 37562fdbea25SAleksandr Guzovskiy * test dmu_assign_arcbuf() for the case when there're no 37572fdbea25SAleksandr Guzovskiy * existing dbufs for the specified offsets. 37582fdbea25SAleksandr Guzovskiy */ 37592fdbea25SAleksandr Guzovskiy if (i != 0 || ztest_random(2) != 0) { 3760b24ab676SJeff Bonwick error = dmu_read(os, packobj, packoff, 37617bfdf011SNeil Perrin packsize, packbuf, DMU_READ_PREFETCH); 37622fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 3763b24ab676SJeff Bonwick error = dmu_read(os, bigobj, bigoff, bigsize, 37647bfdf011SNeil Perrin bigbuf, DMU_READ_PREFETCH); 37652fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 37662fdbea25SAleksandr Guzovskiy } 37672fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(s, packbuf, bigbuf, bigsize, 3768b24ab676SJeff Bonwick n, chunksize, txg); 37692fdbea25SAleksandr Guzovskiy 37702fdbea25SAleksandr Guzovskiy /* 37712fdbea25SAleksandr Guzovskiy * We've verified all the old bufwads, and made new ones. 37722fdbea25SAleksandr Guzovskiy * Now write them out. 37732fdbea25SAleksandr Guzovskiy */ 3774b24ab676SJeff Bonwick dmu_write(os, packobj, packoff, packsize, packbuf, tx); 3775*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) { 37762fdbea25SAleksandr Guzovskiy (void) printf("writing offset %llx size %llx" 37772fdbea25SAleksandr Guzovskiy " txg %llx\n", 37782fdbea25SAleksandr Guzovskiy (u_longlong_t)bigoff, 37792fdbea25SAleksandr Guzovskiy (u_longlong_t)bigsize, 37802fdbea25SAleksandr Guzovskiy (u_longlong_t)txg); 37812fdbea25SAleksandr Guzovskiy } 3782b24ab676SJeff Bonwick for (off = bigoff, j = 0; j < s; j++, off += chunksize) { 37832fdbea25SAleksandr Guzovskiy dmu_buf_t *dbt; 37842fdbea25SAleksandr Guzovskiy if (i != 5) { 37852fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 3786b24ab676SJeff Bonwick bigbuf_arcbufs[j]->b_data, chunksize); 37872fdbea25SAleksandr Guzovskiy } else { 37882fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 37892fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]->b_data, 3790b24ab676SJeff Bonwick chunksize / 2); 37912fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff) + 3792b24ab676SJeff Bonwick chunksize / 2, 37932fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]->b_data, 3794b24ab676SJeff Bonwick chunksize / 2); 37952fdbea25SAleksandr Guzovskiy } 37962fdbea25SAleksandr Guzovskiy 37972fdbea25SAleksandr Guzovskiy if (i == 1) { 3798b24ab676SJeff Bonwick VERIFY(dmu_buf_hold(os, bigobj, off, 379947cb52daSJeff Bonwick FTAG, &dbt, DMU_READ_NO_PREFETCH) == 0); 38002fdbea25SAleksandr Guzovskiy } 38012fdbea25SAleksandr Guzovskiy if (i != 5) { 38022fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 38032fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j], tx); 38042fdbea25SAleksandr Guzovskiy } else { 38052fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 38062fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j], tx); 38072fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, 3808b24ab676SJeff Bonwick off + chunksize / 2, 38092fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1], tx); 38102fdbea25SAleksandr Guzovskiy } 38112fdbea25SAleksandr Guzovskiy if (i == 1) { 38122fdbea25SAleksandr Guzovskiy dmu_buf_rele(dbt, FTAG); 38132fdbea25SAleksandr Guzovskiy } 38142fdbea25SAleksandr Guzovskiy } 38152fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 38162fdbea25SAleksandr Guzovskiy 38172fdbea25SAleksandr Guzovskiy /* 38182fdbea25SAleksandr Guzovskiy * Sanity check the stuff we just wrote. 38192fdbea25SAleksandr Guzovskiy */ 38202fdbea25SAleksandr Guzovskiy { 38212fdbea25SAleksandr Guzovskiy void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 38222fdbea25SAleksandr Guzovskiy void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 38232fdbea25SAleksandr Guzovskiy 3824b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, packobj, packoff, 38257bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 3826b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, bigobj, bigoff, 38277bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 38282fdbea25SAleksandr Guzovskiy 38292fdbea25SAleksandr Guzovskiy ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 38302fdbea25SAleksandr Guzovskiy ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 38312fdbea25SAleksandr Guzovskiy 38322fdbea25SAleksandr Guzovskiy umem_free(packcheck, packsize); 38332fdbea25SAleksandr Guzovskiy umem_free(bigcheck, bigsize); 38342fdbea25SAleksandr Guzovskiy } 38352fdbea25SAleksandr Guzovskiy if (i == 2) { 3836b24ab676SJeff Bonwick txg_wait_open(dmu_objset_pool(os), 0); 3837b24ab676SJeff Bonwick } else if (i == 3) { 3838b24ab676SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), 0); 3839fa9e4066Sahrens } 3840e05725b1Sbonwick } 3841e05725b1Sbonwick 3842b24ab676SJeff Bonwick dmu_buf_rele(bonus_db, FTAG); 3843b24ab676SJeff Bonwick umem_free(packbuf, packsize); 3844b24ab676SJeff Bonwick umem_free(bigbuf, bigsize); 3845b24ab676SJeff Bonwick umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 3846b24ab676SJeff Bonwick } 3847fa9e4066Sahrens 3848b24ab676SJeff Bonwick /* ARGSUSED */ 3849b24ab676SJeff Bonwick void 3850b24ab676SJeff Bonwick ztest_dmu_write_parallel(ztest_ds_t *zd, uint64_t id) 3851b24ab676SJeff Bonwick { 3852b24ab676SJeff Bonwick ztest_od_t od[1]; 3853b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(20) + 43)) + 3854b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3855fa9e4066Sahrens 3856e05725b1Sbonwick /* 3857b24ab676SJeff Bonwick * Have multiple threads write to large offsets in an object 3858b24ab676SJeff Bonwick * to verify that parallel writes to an object -- even to the 3859b24ab676SJeff Bonwick * same blocks within the object -- doesn't cause any trouble. 3860e05725b1Sbonwick */ 3861b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 3862fa9e4066Sahrens 3863b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 3864e05725b1Sbonwick return; 3865fa9e4066Sahrens 3866b24ab676SJeff Bonwick while (ztest_random(10) != 0) 3867b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, offset); 3868b24ab676SJeff Bonwick } 3869fa9e4066Sahrens 3870b24ab676SJeff Bonwick void 3871b24ab676SJeff Bonwick ztest_dmu_prealloc(ztest_ds_t *zd, uint64_t id) 3872b24ab676SJeff Bonwick { 3873b24ab676SJeff Bonwick ztest_od_t od[1]; 3874b24ab676SJeff Bonwick uint64_t offset = (1ULL << (ztest_random(4) + SPA_MAXBLOCKSHIFT)) + 3875b24ab676SJeff Bonwick (ztest_random(ZTEST_RANGE_LOCKS) << SPA_MAXBLOCKSHIFT); 3876b24ab676SJeff Bonwick uint64_t count = ztest_random(20) + 1; 3877b24ab676SJeff Bonwick uint64_t blocksize = ztest_random_blocksize(); 3878b24ab676SJeff Bonwick void *data; 3879fa9e4066Sahrens 3880b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 3881fa9e4066Sahrens 3882b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3883e05725b1Sbonwick return; 38840e34b6a7Sbonwick 3885b24ab676SJeff Bonwick if (ztest_truncate(zd, od[0].od_object, offset, count * blocksize) != 0) 3886f4a72450SJeff Bonwick return; 3887f4a72450SJeff Bonwick 3888b24ab676SJeff Bonwick ztest_prealloc(zd, od[0].od_object, offset, count * blocksize); 3889fa9e4066Sahrens 3890b24ab676SJeff Bonwick data = umem_zalloc(blocksize, UMEM_NOFAIL); 3891b24ab676SJeff Bonwick 3892b24ab676SJeff Bonwick while (ztest_random(count) != 0) { 3893b24ab676SJeff Bonwick uint64_t randoff = offset + (ztest_random(count) * blocksize); 3894b24ab676SJeff Bonwick if (ztest_write(zd, od[0].od_object, randoff, blocksize, 3895b24ab676SJeff Bonwick data) != 0) 3896b24ab676SJeff Bonwick break; 3897b24ab676SJeff Bonwick while (ztest_random(4) != 0) 3898b24ab676SJeff Bonwick ztest_io(zd, od[0].od_object, randoff); 3899b24ab676SJeff Bonwick } 3900b24ab676SJeff Bonwick 3901b24ab676SJeff Bonwick umem_free(data, blocksize); 3902fa9e4066Sahrens } 3903fa9e4066Sahrens 3904fa9e4066Sahrens /* 3905fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 3906fa9e4066Sahrens */ 3907fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 3908fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 3909fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 3910fa9e4066Sahrens 3911fa9e4066Sahrens void 3912b24ab676SJeff Bonwick ztest_zap(ztest_ds_t *zd, uint64_t id) 3913fa9e4066Sahrens { 3914b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 3915b24ab676SJeff Bonwick ztest_od_t od[1]; 3916fa9e4066Sahrens uint64_t object; 3917fa9e4066Sahrens uint64_t txg, last_txg; 3918fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 3919fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 3920fa9e4066Sahrens int i, ints; 3921fa9e4066Sahrens dmu_tx_t *tx; 3922fa9e4066Sahrens char propname[100], txgname[100]; 3923fa9e4066Sahrens int error; 3924fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 3925fa9e4066Sahrens 3926b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 3927fa9e4066Sahrens 3928b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 3929b24ab676SJeff Bonwick return; 3930fa9e4066Sahrens 3931b24ab676SJeff Bonwick object = od[0].od_object; 3932fa9e4066Sahrens 3933b24ab676SJeff Bonwick /* 3934b24ab676SJeff Bonwick * Generate a known hash collision, and verify that 3935b24ab676SJeff Bonwick * we can lookup and remove both entries. 3936b24ab676SJeff Bonwick */ 3937b24ab676SJeff Bonwick tx = dmu_tx_create(os); 3938b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 3939b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 3940b24ab676SJeff Bonwick if (txg == 0) 3941b24ab676SJeff Bonwick return; 3942b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3943b24ab676SJeff Bonwick value[i] = i; 3944b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_add(os, object, hc[i], sizeof (uint64_t), 3945b24ab676SJeff Bonwick 1, &value[i], tx)); 3946b24ab676SJeff Bonwick } 3947b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3948b24ab676SJeff Bonwick VERIFY3U(EEXIST, ==, zap_add(os, object, hc[i], 3949b24ab676SJeff Bonwick sizeof (uint64_t), 1, &value[i], tx)); 3950b24ab676SJeff Bonwick VERIFY3U(0, ==, 3951b24ab676SJeff Bonwick zap_length(os, object, hc[i], &zl_intsize, &zl_ints)); 3952b24ab676SJeff Bonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3953b24ab676SJeff Bonwick ASSERT3U(zl_ints, ==, 1); 3954fa9e4066Sahrens } 3955b24ab676SJeff Bonwick for (i = 0; i < 2; i++) { 3956b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, object, hc[i], tx)); 3957b24ab676SJeff Bonwick } 3958b24ab676SJeff Bonwick dmu_tx_commit(tx); 3959fa9e4066Sahrens 3960b24ab676SJeff Bonwick /* 3961b24ab676SJeff Bonwick * Generate a buch of random entries. 3962b24ab676SJeff Bonwick */ 3963fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 3964fa9e4066Sahrens 3965e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 3966e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 3967e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 3968e05725b1Sbonwick bzero(value, sizeof (value)); 3969e05725b1Sbonwick last_txg = 0; 3970fa9e4066Sahrens 3971e05725b1Sbonwick /* 3972e05725b1Sbonwick * If these zap entries already exist, validate their contents. 3973e05725b1Sbonwick */ 3974e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 3975e05725b1Sbonwick if (error == 0) { 3976e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3977e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 3978fa9e4066Sahrens 3979e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 3980e05725b1Sbonwick zl_ints, &last_txg) == 0); 3981fa9e4066Sahrens 3982e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 3983e05725b1Sbonwick &zl_ints) == 0); 3984fa9e4066Sahrens 3985e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 3986e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 3987fa9e4066Sahrens 3988e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 3989e05725b1Sbonwick zl_ints, value) == 0); 3990fa9e4066Sahrens 3991e05725b1Sbonwick for (i = 0; i < ints; i++) { 3992e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 3993fa9e4066Sahrens } 3994e05725b1Sbonwick } else { 3995e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 3996e05725b1Sbonwick } 3997fa9e4066Sahrens 3998e05725b1Sbonwick /* 3999e05725b1Sbonwick * Atomically update two entries in our zap object. 4000e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 4001e05725b1Sbonwick * in which the property was last updated. The second 4002e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 4003e05725b1Sbonwick * should be txg + object + n. 4004e05725b1Sbonwick */ 4005e05725b1Sbonwick tx = dmu_tx_create(os); 4006b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4007b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4008b24ab676SJeff Bonwick if (txg == 0) 4009e05725b1Sbonwick return; 4010fa9e4066Sahrens 4011e05725b1Sbonwick if (last_txg > txg) 4012e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 4013fa9e4066Sahrens 4014e05725b1Sbonwick for (i = 0; i < ints; i++) 4015e05725b1Sbonwick value[i] = txg + object + i; 4016fa9e4066Sahrens 4017b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_update(os, object, txgname, sizeof (uint64_t), 4018b24ab676SJeff Bonwick 1, &txg, tx)); 4019b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_update(os, object, propname, sizeof (uint64_t), 4020b24ab676SJeff Bonwick ints, value, tx)); 4021fa9e4066Sahrens 4022e05725b1Sbonwick dmu_tx_commit(tx); 4023fa9e4066Sahrens 4024e05725b1Sbonwick /* 4025e05725b1Sbonwick * Remove a random pair of entries. 4026e05725b1Sbonwick */ 4027e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 4028e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 4029e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 4030fa9e4066Sahrens 4031e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 4032fa9e4066Sahrens 4033e05725b1Sbonwick if (error == ENOENT) 4034e05725b1Sbonwick return; 4035fa9e4066Sahrens 4036e05725b1Sbonwick ASSERT3U(error, ==, 0); 4037fa9e4066Sahrens 4038e05725b1Sbonwick tx = dmu_tx_create(os); 4039b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4040b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4041b24ab676SJeff Bonwick if (txg == 0) 404212a2833aSSanjeev Bagewadi return; 4043b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, object, txgname, tx)); 4044b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_remove(os, object, propname, tx)); 404512a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 404612a2833aSSanjeev Bagewadi } 404712a2833aSSanjeev Bagewadi 404812a2833aSSanjeev Bagewadi /* 404912a2833aSSanjeev Bagewadi * Testcase to test the upgrading of a microzap to fatzap. 405012a2833aSSanjeev Bagewadi */ 405112a2833aSSanjeev Bagewadi void 4052b24ab676SJeff Bonwick ztest_fzap(ztest_ds_t *zd, uint64_t id) 405312a2833aSSanjeev Bagewadi { 4054b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4055b24ab676SJeff Bonwick ztest_od_t od[1]; 4056b24ab676SJeff Bonwick uint64_t object, txg; 405712a2833aSSanjeev Bagewadi 4058b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0); 405912a2833aSSanjeev Bagewadi 4060b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), !ztest_random(2)) != 0) 4061b24ab676SJeff Bonwick return; 406212a2833aSSanjeev Bagewadi 4063b24ab676SJeff Bonwick object = od[0].od_object; 406412a2833aSSanjeev Bagewadi 406512a2833aSSanjeev Bagewadi /* 4066b24ab676SJeff Bonwick * Add entries to this ZAP and make sure it spills over 406712a2833aSSanjeev Bagewadi * and gets upgraded to a fatzap. Also, since we are adding 4068b24ab676SJeff Bonwick * 2050 entries we should see ptrtbl growth and leaf-block split. 406912a2833aSSanjeev Bagewadi */ 4070b24ab676SJeff Bonwick for (int i = 0; i < 2050; i++) { 4071b24ab676SJeff Bonwick char name[MAXNAMELEN]; 4072b24ab676SJeff Bonwick uint64_t value = i; 4073b24ab676SJeff Bonwick dmu_tx_t *tx; 4074b24ab676SJeff Bonwick int error; 407512a2833aSSanjeev Bagewadi 4076b24ab676SJeff Bonwick (void) snprintf(name, sizeof (name), "fzap-%llu-%llu", 4077b24ab676SJeff Bonwick id, value); 407812a2833aSSanjeev Bagewadi 4079b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4080b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, name); 4081b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4082b24ab676SJeff Bonwick if (txg == 0) 408312a2833aSSanjeev Bagewadi return; 4084b24ab676SJeff Bonwick error = zap_add(os, object, name, sizeof (uint64_t), 1, 4085b24ab676SJeff Bonwick &value, tx); 408612a2833aSSanjeev Bagewadi ASSERT(error == 0 || error == EEXIST); 408712a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 408812a2833aSSanjeev Bagewadi } 4089fa9e4066Sahrens } 4090fa9e4066Sahrens 4091b24ab676SJeff Bonwick /* ARGSUSED */ 4092fa9e4066Sahrens void 4093b24ab676SJeff Bonwick ztest_zap_parallel(ztest_ds_t *zd, uint64_t id) 4094fa9e4066Sahrens { 4095b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4096b24ab676SJeff Bonwick ztest_od_t od[1]; 4097fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 4098fa9e4066Sahrens dmu_tx_t *tx; 4099fa9e4066Sahrens int i, namelen, error; 4100b24ab676SJeff Bonwick int micro = ztest_random(2); 4101fa9e4066Sahrens char name[20], string_value[20]; 4102fa9e4066Sahrens void *data; 4103fa9e4066Sahrens 4104b24ab676SJeff Bonwick ztest_od_init(&od[0], ID_PARALLEL, FTAG, micro, DMU_OT_ZAP_OTHER, 0, 0); 4105b24ab676SJeff Bonwick 4106b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4107b24ab676SJeff Bonwick return; 4108b24ab676SJeff Bonwick 4109b24ab676SJeff Bonwick object = od[0].od_object; 4110b24ab676SJeff Bonwick 4111e05725b1Sbonwick /* 4112e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 4113e05725b1Sbonwick * x is a random printable character and the dots are dots. 4114e05725b1Sbonwick * There are 94 such characters, and the name length goes from 4115e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 4116e05725b1Sbonwick */ 4117e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 4118fa9e4066Sahrens 4119e05725b1Sbonwick for (i = 0; i < 3; i++) 4120e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 4121e05725b1Sbonwick for (; i < namelen - 1; i++) 4122e05725b1Sbonwick name[i] = '.'; 4123e05725b1Sbonwick name[i] = '\0'; 4124fa9e4066Sahrens 4125b24ab676SJeff Bonwick if ((namelen & 1) || micro) { 4126e05725b1Sbonwick wsize = sizeof (txg); 4127e05725b1Sbonwick wc = 1; 4128e05725b1Sbonwick data = &txg; 4129e05725b1Sbonwick } else { 4130e05725b1Sbonwick wsize = 1; 4131e05725b1Sbonwick wc = namelen; 4132e05725b1Sbonwick data = string_value; 4133e05725b1Sbonwick } 4134fa9e4066Sahrens 4135e05725b1Sbonwick count = -1ULL; 4136e05725b1Sbonwick VERIFY(zap_count(os, object, &count) == 0); 4137e05725b1Sbonwick ASSERT(count != -1ULL); 4138fa9e4066Sahrens 4139e05725b1Sbonwick /* 4140e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 4141e05725b1Sbonwick */ 4142e05725b1Sbonwick i = ztest_random(5); 4143e05725b1Sbonwick 4144e05725b1Sbonwick if (i >= 2) { 4145e05725b1Sbonwick tx = dmu_tx_create(os); 4146b24ab676SJeff Bonwick dmu_tx_hold_zap(tx, object, B_TRUE, NULL); 4147b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_MIGHTWAIT, FTAG); 4148b24ab676SJeff Bonwick if (txg == 0) 4149e05725b1Sbonwick return; 4150e05725b1Sbonwick bcopy(name, string_value, namelen); 4151e05725b1Sbonwick } else { 4152e05725b1Sbonwick tx = NULL; 4153e05725b1Sbonwick txg = 0; 4154e05725b1Sbonwick bzero(string_value, namelen); 4155e05725b1Sbonwick } 4156fa9e4066Sahrens 4157e05725b1Sbonwick switch (i) { 4158fa9e4066Sahrens 4159e05725b1Sbonwick case 0: 4160e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 4161e05725b1Sbonwick if (error == 0) { 4162e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 4163e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 4164e05725b1Sbonwick } else { 4165e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4166e05725b1Sbonwick } 4167e05725b1Sbonwick break; 4168fa9e4066Sahrens 4169e05725b1Sbonwick case 1: 4170e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 4171e05725b1Sbonwick if (error == 0) { 4172e05725b1Sbonwick if (data == string_value && 4173e05725b1Sbonwick bcmp(name, data, namelen) != 0) 4174e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 4175e05725b1Sbonwick name, data, namelen); 4176e05725b1Sbonwick } else { 4177e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 4178e05725b1Sbonwick } 4179e05725b1Sbonwick break; 4180fa9e4066Sahrens 4181e05725b1Sbonwick case 2: 4182e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 4183e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 4184e05725b1Sbonwick break; 4185fa9e4066Sahrens 4186e05725b1Sbonwick case 3: 4187e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 4188e05725b1Sbonwick break; 4189fa9e4066Sahrens 4190e05725b1Sbonwick case 4: 4191e05725b1Sbonwick error = zap_remove(os, object, name, tx); 4192e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 4193e05725b1Sbonwick break; 4194fa9e4066Sahrens } 4195e05725b1Sbonwick 4196e05725b1Sbonwick if (tx != NULL) 4197e05725b1Sbonwick dmu_tx_commit(tx); 4198fa9e4066Sahrens } 4199fa9e4066Sahrens 4200d20e665cSRicardo M. Correia /* 4201d20e665cSRicardo M. Correia * Commit callback data. 4202d20e665cSRicardo M. Correia */ 4203d20e665cSRicardo M. Correia typedef struct ztest_cb_data { 4204d20e665cSRicardo M. Correia list_node_t zcd_node; 4205d20e665cSRicardo M. Correia uint64_t zcd_txg; 4206d20e665cSRicardo M. Correia int zcd_expected_err; 4207d20e665cSRicardo M. Correia boolean_t zcd_added; 4208d20e665cSRicardo M. Correia boolean_t zcd_called; 4209d20e665cSRicardo M. Correia spa_t *zcd_spa; 4210d20e665cSRicardo M. Correia } ztest_cb_data_t; 4211d20e665cSRicardo M. Correia 4212d20e665cSRicardo M. Correia /* This is the actual commit callback function */ 4213d20e665cSRicardo M. Correia static void 4214d20e665cSRicardo M. Correia ztest_commit_callback(void *arg, int error) 4215d20e665cSRicardo M. Correia { 4216d20e665cSRicardo M. Correia ztest_cb_data_t *data = arg; 4217d20e665cSRicardo M. Correia uint64_t synced_txg; 4218d20e665cSRicardo M. Correia 4219d20e665cSRicardo M. Correia VERIFY(data != NULL); 4220d20e665cSRicardo M. Correia VERIFY3S(data->zcd_expected_err, ==, error); 4221d20e665cSRicardo M. Correia VERIFY(!data->zcd_called); 4222d20e665cSRicardo M. Correia 4223d20e665cSRicardo M. Correia synced_txg = spa_last_synced_txg(data->zcd_spa); 4224d20e665cSRicardo M. Correia if (data->zcd_txg > synced_txg) 4225d20e665cSRicardo M. Correia fatal(0, "commit callback of txg %" PRIu64 " called prematurely" 4226d20e665cSRicardo M. Correia ", last synced txg = %" PRIu64 "\n", data->zcd_txg, 4227d20e665cSRicardo M. Correia synced_txg); 4228d20e665cSRicardo M. Correia 4229d20e665cSRicardo M. Correia data->zcd_called = B_TRUE; 4230d20e665cSRicardo M. Correia 4231d20e665cSRicardo M. Correia if (error == ECANCELED) { 4232d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, ==, 0); 4233d20e665cSRicardo M. Correia ASSERT(!data->zcd_added); 4234d20e665cSRicardo M. Correia 4235d20e665cSRicardo M. Correia /* 4236d20e665cSRicardo M. Correia * The private callback data should be destroyed here, but 4237d20e665cSRicardo M. Correia * since we are going to check the zcd_called field after 4238d20e665cSRicardo M. Correia * dmu_tx_abort(), we will destroy it there. 4239d20e665cSRicardo M. Correia */ 4240d20e665cSRicardo M. Correia return; 4241d20e665cSRicardo M. Correia } 4242d20e665cSRicardo M. Correia 4243d20e665cSRicardo M. Correia /* Was this callback added to the global callback list? */ 4244d20e665cSRicardo M. Correia if (!data->zcd_added) 4245d20e665cSRicardo M. Correia goto out; 4246d20e665cSRicardo M. Correia 4247d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, !=, 0); 4248d20e665cSRicardo M. Correia 4249d20e665cSRicardo M. Correia /* Remove our callback from the list */ 4250d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4251d20e665cSRicardo M. Correia list_remove(&zcl.zcl_callbacks, data); 4252d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4253d20e665cSRicardo M. Correia 4254d20e665cSRicardo M. Correia out: 4255d20e665cSRicardo M. Correia umem_free(data, sizeof (ztest_cb_data_t)); 4256d20e665cSRicardo M. Correia } 4257d20e665cSRicardo M. Correia 4258d20e665cSRicardo M. Correia /* Allocate and initialize callback data structure */ 4259d20e665cSRicardo M. Correia static ztest_cb_data_t * 4260d20e665cSRicardo M. Correia ztest_create_cb_data(objset_t *os, uint64_t txg) 4261d20e665cSRicardo M. Correia { 4262d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data; 4263d20e665cSRicardo M. Correia 4264d20e665cSRicardo M. Correia cb_data = umem_zalloc(sizeof (ztest_cb_data_t), UMEM_NOFAIL); 4265d20e665cSRicardo M. Correia 4266d20e665cSRicardo M. Correia cb_data->zcd_txg = txg; 4267d20e665cSRicardo M. Correia cb_data->zcd_spa = dmu_objset_spa(os); 4268d20e665cSRicardo M. Correia 4269d20e665cSRicardo M. Correia return (cb_data); 4270d20e665cSRicardo M. Correia } 4271d20e665cSRicardo M. Correia 4272d20e665cSRicardo M. Correia /* 4273d20e665cSRicardo M. Correia * If a number of txgs equal to this threshold have been created after a commit 4274d20e665cSRicardo M. Correia * callback has been registered but not called, then we assume there is an 4275d20e665cSRicardo M. Correia * implementation bug. 4276d20e665cSRicardo M. Correia */ 4277d20e665cSRicardo M. Correia #define ZTEST_COMMIT_CALLBACK_THRESH (TXG_CONCURRENT_STATES + 2) 4278d20e665cSRicardo M. Correia 4279d20e665cSRicardo M. Correia /* 4280d20e665cSRicardo M. Correia * Commit callback test. 4281d20e665cSRicardo M. Correia */ 4282d20e665cSRicardo M. Correia void 4283b24ab676SJeff Bonwick ztest_dmu_commit_callbacks(ztest_ds_t *zd, uint64_t id) 4284d20e665cSRicardo M. Correia { 4285b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4286b24ab676SJeff Bonwick ztest_od_t od[1]; 4287d20e665cSRicardo M. Correia dmu_tx_t *tx; 4288d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data[3], *tmp_cb; 4289d20e665cSRicardo M. Correia uint64_t old_txg, txg; 4290d20e665cSRicardo M. Correia int i, error; 4291d20e665cSRicardo M. Correia 4292b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, 0, 0); 4293b24ab676SJeff Bonwick 4294b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4295b24ab676SJeff Bonwick return; 4296b24ab676SJeff Bonwick 4297d20e665cSRicardo M. Correia tx = dmu_tx_create(os); 4298d20e665cSRicardo M. Correia 4299d20e665cSRicardo M. Correia cb_data[0] = ztest_create_cb_data(os, 0); 4300d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[0]); 4301d20e665cSRicardo M. Correia 4302b24ab676SJeff Bonwick dmu_tx_hold_write(tx, od[0].od_object, 0, sizeof (uint64_t)); 4303d20e665cSRicardo M. Correia 4304d20e665cSRicardo M. Correia /* Every once in a while, abort the transaction on purpose */ 4305d20e665cSRicardo M. Correia if (ztest_random(100) == 0) 4306d20e665cSRicardo M. Correia error = -1; 4307d20e665cSRicardo M. Correia 4308d20e665cSRicardo M. Correia if (!error) 4309d20e665cSRicardo M. Correia error = dmu_tx_assign(tx, TXG_NOWAIT); 4310d20e665cSRicardo M. Correia 4311d20e665cSRicardo M. Correia txg = error ? 0 : dmu_tx_get_txg(tx); 4312d20e665cSRicardo M. Correia 4313d20e665cSRicardo M. Correia cb_data[0]->zcd_txg = txg; 4314d20e665cSRicardo M. Correia cb_data[1] = ztest_create_cb_data(os, txg); 4315d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[1]); 4316d20e665cSRicardo M. Correia 4317d20e665cSRicardo M. Correia if (error) { 4318d20e665cSRicardo M. Correia /* 4319d20e665cSRicardo M. Correia * It's not a strict requirement to call the registered 4320d20e665cSRicardo M. Correia * callbacks from inside dmu_tx_abort(), but that's what 4321d20e665cSRicardo M. Correia * it's supposed to happen in the current implementation 4322d20e665cSRicardo M. Correia * so we will check for that. 4323d20e665cSRicardo M. Correia */ 4324d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4325d20e665cSRicardo M. Correia cb_data[i]->zcd_expected_err = ECANCELED; 4326d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4327d20e665cSRicardo M. Correia } 4328d20e665cSRicardo M. Correia 4329d20e665cSRicardo M. Correia dmu_tx_abort(tx); 4330d20e665cSRicardo M. Correia 4331d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 4332d20e665cSRicardo M. Correia VERIFY(cb_data[i]->zcd_called); 4333d20e665cSRicardo M. Correia umem_free(cb_data[i], sizeof (ztest_cb_data_t)); 4334d20e665cSRicardo M. Correia } 4335d20e665cSRicardo M. Correia 4336d20e665cSRicardo M. Correia return; 4337d20e665cSRicardo M. Correia } 4338d20e665cSRicardo M. Correia 4339d20e665cSRicardo M. Correia cb_data[2] = ztest_create_cb_data(os, txg); 4340d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[2]); 4341d20e665cSRicardo M. Correia 4342d20e665cSRicardo M. Correia /* 4343d20e665cSRicardo M. Correia * Read existing data to make sure there isn't a future leak. 4344d20e665cSRicardo M. Correia */ 4345b24ab676SJeff Bonwick VERIFY(0 == dmu_read(os, od[0].od_object, 0, sizeof (uint64_t), 4346d20e665cSRicardo M. Correia &old_txg, DMU_READ_PREFETCH)); 4347d20e665cSRicardo M. Correia 4348d20e665cSRicardo M. Correia if (old_txg > txg) 4349d20e665cSRicardo M. Correia fatal(0, "future leak: got %" PRIu64 ", open txg is %" PRIu64, 4350d20e665cSRicardo M. Correia old_txg, txg); 4351d20e665cSRicardo M. Correia 4352b24ab676SJeff Bonwick dmu_write(os, od[0].od_object, 0, sizeof (uint64_t), &txg, tx); 4353d20e665cSRicardo M. Correia 4354d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 4355d20e665cSRicardo M. Correia 4356d20e665cSRicardo M. Correia /* 4357d20e665cSRicardo M. Correia * Since commit callbacks don't have any ordering requirement and since 4358d20e665cSRicardo M. Correia * it is theoretically possible for a commit callback to be called 4359d20e665cSRicardo M. Correia * after an arbitrary amount of time has elapsed since its txg has been 4360d20e665cSRicardo M. Correia * synced, it is difficult to reliably determine whether a commit 4361d20e665cSRicardo M. Correia * callback hasn't been called due to high load or due to a flawed 4362d20e665cSRicardo M. Correia * implementation. 4363d20e665cSRicardo M. Correia * 4364d20e665cSRicardo M. Correia * In practice, we will assume that if after a certain number of txgs a 4365d20e665cSRicardo M. Correia * commit callback hasn't been called, then most likely there's an 4366d20e665cSRicardo M. Correia * implementation bug.. 4367d20e665cSRicardo M. Correia */ 4368d20e665cSRicardo M. Correia tmp_cb = list_head(&zcl.zcl_callbacks); 4369d20e665cSRicardo M. Correia if (tmp_cb != NULL && 4370d20e665cSRicardo M. Correia tmp_cb->zcd_txg > txg - ZTEST_COMMIT_CALLBACK_THRESH) { 4371d20e665cSRicardo M. Correia fatal(0, "Commit callback threshold exceeded, oldest txg: %" 4372d20e665cSRicardo M. Correia PRIu64 ", open txg: %" PRIu64 "\n", tmp_cb->zcd_txg, txg); 4373d20e665cSRicardo M. Correia } 4374d20e665cSRicardo M. Correia 4375d20e665cSRicardo M. Correia /* 4376d20e665cSRicardo M. Correia * Let's find the place to insert our callbacks. 4377d20e665cSRicardo M. Correia * 4378d20e665cSRicardo M. Correia * Even though the list is ordered by txg, it is possible for the 4379d20e665cSRicardo M. Correia * insertion point to not be the end because our txg may already be 4380d20e665cSRicardo M. Correia * quiescing at this point and other callbacks in the open txg 4381d20e665cSRicardo M. Correia * (from other objsets) may have sneaked in. 4382d20e665cSRicardo M. Correia */ 4383d20e665cSRicardo M. Correia tmp_cb = list_tail(&zcl.zcl_callbacks); 4384d20e665cSRicardo M. Correia while (tmp_cb != NULL && tmp_cb->zcd_txg > txg) 4385d20e665cSRicardo M. Correia tmp_cb = list_prev(&zcl.zcl_callbacks, tmp_cb); 4386d20e665cSRicardo M. Correia 4387d20e665cSRicardo M. Correia /* Add the 3 callbacks to the list */ 4388d20e665cSRicardo M. Correia for (i = 0; i < 3; i++) { 4389d20e665cSRicardo M. Correia if (tmp_cb == NULL) 4390d20e665cSRicardo M. Correia list_insert_head(&zcl.zcl_callbacks, cb_data[i]); 4391d20e665cSRicardo M. Correia else 4392d20e665cSRicardo M. Correia list_insert_after(&zcl.zcl_callbacks, tmp_cb, 4393d20e665cSRicardo M. Correia cb_data[i]); 4394d20e665cSRicardo M. Correia 4395d20e665cSRicardo M. Correia cb_data[i]->zcd_added = B_TRUE; 4396d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 4397d20e665cSRicardo M. Correia 4398d20e665cSRicardo M. Correia tmp_cb = cb_data[i]; 4399d20e665cSRicardo M. Correia } 4400d20e665cSRicardo M. Correia 4401d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 4402d20e665cSRicardo M. Correia 4403d20e665cSRicardo M. Correia dmu_tx_commit(tx); 4404d20e665cSRicardo M. Correia } 4405d20e665cSRicardo M. Correia 4406b24ab676SJeff Bonwick /* ARGSUSED */ 4407fa9e4066Sahrens void 4408b24ab676SJeff Bonwick ztest_dsl_prop_get_set(ztest_ds_t *zd, uint64_t id) 4409fa9e4066Sahrens { 4410b24ab676SJeff Bonwick zfs_prop_t proplist[] = { 4411b24ab676SJeff Bonwick ZFS_PROP_CHECKSUM, 4412b24ab676SJeff Bonwick ZFS_PROP_COMPRESSION, 4413b24ab676SJeff Bonwick ZFS_PROP_COPIES, 4414b24ab676SJeff Bonwick ZFS_PROP_DEDUP 4415b24ab676SJeff Bonwick }; 4416fa9e4066Sahrens 4417*420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 4418fa9e4066Sahrens 4419b24ab676SJeff Bonwick for (int p = 0; p < sizeof (proplist) / sizeof (proplist[0]); p++) 4420b24ab676SJeff Bonwick (void) ztest_dsl_prop_set_uint64(zd->zd_name, proplist[p], 4421b24ab676SJeff Bonwick ztest_random_dsl_prop(proplist[p]), (int)ztest_random(2)); 4422fa9e4066Sahrens 4423*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4424b24ab676SJeff Bonwick } 4425fa9e4066Sahrens 4426b24ab676SJeff Bonwick /* ARGSUSED */ 4427b24ab676SJeff Bonwick void 4428b24ab676SJeff Bonwick ztest_spa_prop_get_set(ztest_ds_t *zd, uint64_t id) 4429b24ab676SJeff Bonwick { 4430b24ab676SJeff Bonwick nvlist_t *props = NULL; 4431ea8dc4b6Seschrock 4432*420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 4433ea8dc4b6Seschrock 4434*420dfc95SChris Siden (void) ztest_spa_prop_set_uint64(ZPOOL_PROP_DEDUPDITTO, 4435b24ab676SJeff Bonwick ZIO_DEDUPDITTO_MIN + ztest_random(ZIO_DEDUPDITTO_MIN)); 4436fa9e4066Sahrens 4437*420dfc95SChris Siden VERIFY3U(spa_prop_get(ztest_spa, &props), ==, 0); 4438fa9e4066Sahrens 4439*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 4440b24ab676SJeff Bonwick dump_nvlist(props, 4); 4441fa9e4066Sahrens 4442b24ab676SJeff Bonwick nvlist_free(props); 4443fa9e4066Sahrens 4444*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4445fa9e4066Sahrens } 4446fa9e4066Sahrens 44475c987a37SChris Kirby /* 44485c987a37SChris Kirby * Test snapshot hold/release and deferred destroy. 44495c987a37SChris Kirby */ 44505c987a37SChris Kirby void 4451b24ab676SJeff Bonwick ztest_dmu_snapshot_hold(ztest_ds_t *zd, uint64_t id) 44525c987a37SChris Kirby { 44535c987a37SChris Kirby int error; 4454b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 44555c987a37SChris Kirby objset_t *origin; 44565c987a37SChris Kirby char snapname[100]; 44575c987a37SChris Kirby char fullname[100]; 44585c987a37SChris Kirby char clonename[100]; 44595c987a37SChris Kirby char tag[100]; 44605c987a37SChris Kirby char osname[MAXNAMELEN]; 44615c987a37SChris Kirby 4462*420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 44635c987a37SChris Kirby 44645c987a37SChris Kirby dmu_objset_name(os, osname); 44655c987a37SChris Kirby 4466b24ab676SJeff Bonwick (void) snprintf(snapname, 100, "sh1_%llu", id); 44675c987a37SChris Kirby (void) snprintf(fullname, 100, "%s@%s", osname, snapname); 4468b24ab676SJeff Bonwick (void) snprintf(clonename, 100, "%s/ch1_%llu", osname, id); 4469b24ab676SJeff Bonwick (void) snprintf(tag, 100, "%tag_%llu", id); 44705c987a37SChris Kirby 44715c987a37SChris Kirby /* 44725c987a37SChris Kirby * Clean up from any previous run. 44735c987a37SChris Kirby */ 44745c987a37SChris Kirby (void) dmu_objset_destroy(clonename, B_FALSE); 44755c987a37SChris Kirby (void) dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 44765c987a37SChris Kirby (void) dmu_objset_destroy(fullname, B_FALSE); 44775c987a37SChris Kirby 44785c987a37SChris Kirby /* 44795c987a37SChris Kirby * Create snapshot, clone it, mark snap for deferred destroy, 44805c987a37SChris Kirby * destroy clone, verify snap was also destroyed. 44815c987a37SChris Kirby */ 448299d5e173STim Haley error = dmu_objset_snapshot(osname, snapname, NULL, NULL, FALSE, 448399d5e173STim Haley FALSE, -1); 44845c987a37SChris Kirby if (error) { 44855c987a37SChris Kirby if (error == ENOSPC) { 44865c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 44875c987a37SChris Kirby goto out; 44885c987a37SChris Kirby } 44895c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 44905c987a37SChris Kirby } 44915c987a37SChris Kirby 44925c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 44935c987a37SChris Kirby if (error) 44945c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 44955c987a37SChris Kirby 44965c987a37SChris Kirby error = dmu_objset_clone(clonename, dmu_objset_ds(origin), 0); 44975c987a37SChris Kirby dmu_objset_rele(origin, FTAG); 44985c987a37SChris Kirby if (error) { 44995c987a37SChris Kirby if (error == ENOSPC) { 45005c987a37SChris Kirby ztest_record_enospc("dmu_objset_clone"); 45015c987a37SChris Kirby goto out; 45025c987a37SChris Kirby } 45035c987a37SChris Kirby fatal(0, "dmu_objset_clone(%s) = %d", clonename, error); 45045c987a37SChris Kirby } 45055c987a37SChris Kirby 45065c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 45075c987a37SChris Kirby if (error) { 45085c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 45095c987a37SChris Kirby fullname, error); 45105c987a37SChris Kirby } 45115c987a37SChris Kirby 45125c987a37SChris Kirby error = dmu_objset_destroy(clonename, B_FALSE); 45135c987a37SChris Kirby if (error) 45145c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s) = %d", clonename, error); 45155c987a37SChris Kirby 45165c987a37SChris Kirby error = dmu_objset_hold(fullname, FTAG, &origin); 45175c987a37SChris Kirby if (error != ENOENT) 45185c987a37SChris Kirby fatal(0, "dmu_objset_hold(%s) = %d", fullname, error); 45195c987a37SChris Kirby 45205c987a37SChris Kirby /* 45215c987a37SChris Kirby * Create snapshot, add temporary hold, verify that we can't 45225c987a37SChris Kirby * destroy a held snapshot, mark for deferred destroy, 45235c987a37SChris Kirby * release hold, verify snapshot was destroyed. 45245c987a37SChris Kirby */ 452599d5e173STim Haley error = dmu_objset_snapshot(osname, snapname, NULL, NULL, FALSE, 452699d5e173STim Haley FALSE, -1); 45275c987a37SChris Kirby if (error) { 45285c987a37SChris Kirby if (error == ENOSPC) { 45295c987a37SChris Kirby ztest_record_enospc("dmu_objset_snapshot"); 45305c987a37SChris Kirby goto out; 45315c987a37SChris Kirby } 45325c987a37SChris Kirby fatal(0, "dmu_objset_snapshot(%s) = %d", fullname, error); 45335c987a37SChris Kirby } 45345c987a37SChris Kirby 4535c99e4bdcSChris Kirby error = dsl_dataset_user_hold(osname, snapname, tag, B_FALSE, 4536c99e4bdcSChris Kirby B_TRUE, -1); 45375c987a37SChris Kirby if (error) 45385c987a37SChris Kirby fatal(0, "dsl_dataset_user_hold(%s)", fullname, tag); 45395c987a37SChris Kirby 45405c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_FALSE); 45415c987a37SChris Kirby if (error != EBUSY) { 45425c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_FALSE) = %d", 45435c987a37SChris Kirby fullname, error); 45445c987a37SChris Kirby } 45455c987a37SChris Kirby 45465c987a37SChris Kirby error = dmu_objset_destroy(fullname, B_TRUE); 45475c987a37SChris Kirby if (error) { 45485c987a37SChris Kirby fatal(0, "dmu_objset_destroy(%s, B_TRUE) = %d", 45495c987a37SChris Kirby fullname, error); 45505c987a37SChris Kirby } 45515c987a37SChris Kirby 45525c987a37SChris Kirby error = dsl_dataset_user_release(osname, snapname, tag, B_FALSE); 45535c987a37SChris Kirby if (error) 45545c987a37SChris Kirby fatal(0, "dsl_dataset_user_release(%s)", fullname, tag); 45555c987a37SChris Kirby 45565c987a37SChris Kirby VERIFY(dmu_objset_hold(fullname, FTAG, &origin) == ENOENT); 45575c987a37SChris Kirby 45585c987a37SChris Kirby out: 4559*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 45605c987a37SChris Kirby } 45615c987a37SChris Kirby 4562fa9e4066Sahrens /* 4563fa9e4066Sahrens * Inject random faults into the on-disk data. 4564fa9e4066Sahrens */ 4565b24ab676SJeff Bonwick /* ARGSUSED */ 4566fa9e4066Sahrens void 4567b24ab676SJeff Bonwick ztest_fault_inject(ztest_ds_t *zd, uint64_t id) 4568fa9e4066Sahrens { 4569b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4570*420dfc95SChris Siden spa_t *spa = ztest_spa; 4571fa9e4066Sahrens int fd; 4572fa9e4066Sahrens uint64_t offset; 45731195e687SMark J Musante uint64_t leaves; 4574fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 4575fa9e4066Sahrens uint64_t top, leaf; 4576fa9e4066Sahrens char path0[MAXPATHLEN]; 4577fa9e4066Sahrens char pathrand[MAXPATHLEN]; 4578fa9e4066Sahrens size_t fsize; 4579fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 4580fa9e4066Sahrens int iters = 1000; 45811195e687SMark J Musante int maxfaults; 45821195e687SMark J Musante int mirror_save; 4583e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 4584ea8dc4b6Seschrock uint64_t guid0 = 0; 45858f18d1faSGeorge Wilson boolean_t islog = B_FALSE; 4586ea8dc4b6Seschrock 4587*420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 45881195e687SMark J Musante maxfaults = MAXFAULTS(); 4589*420dfc95SChris Siden leaves = MAX(zs->zs_mirrors, 1) * ztest_opts.zo_raidz; 45901195e687SMark J Musante mirror_save = zs->zs_mirrors; 4591*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 45921195e687SMark J Musante 4593e14bb325SJeff Bonwick ASSERT(leaves >= 1); 4594fa9e4066Sahrens 4595fa9e4066Sahrens /* 4596e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 4597fa9e4066Sahrens */ 4598e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 4599fa9e4066Sahrens 4600e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 4601e14bb325SJeff Bonwick /* 4602b24ab676SJeff Bonwick * Inject errors on a normal data device or slog device. 4603e14bb325SJeff Bonwick */ 4604b24ab676SJeff Bonwick top = ztest_random_vdev_top(spa, B_TRUE); 46051195e687SMark J Musante leaf = ztest_random(leaves) + zs->zs_splits; 4606fa9e4066Sahrens 4607e14bb325SJeff Bonwick /* 4608e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 4609e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 4610e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 4611e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 4612e14bb325SJeff Bonwick */ 4613e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 4614*420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 4615*420dfc95SChris Siden top * leaves + zs->zs_splits); 4616e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 4617*420dfc95SChris Siden ztest_opts.zo_dir, ztest_opts.zo_pool, 4618*420dfc95SChris Siden top * leaves + leaf); 4619fa9e4066Sahrens 4620e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 46218f18d1faSGeorge Wilson if (vd0 != NULL && vd0->vdev_top->vdev_islog) 46228f18d1faSGeorge Wilson islog = B_TRUE; 46238f18d1faSGeorge Wilson 4624e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 4625e14bb325SJeff Bonwick /* 4626e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 4627e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 4628e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 4629e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 4630e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 4631e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 4632e14bb325SJeff Bonwick * combination of this with injection of random data 4633e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 4634e14bb325SJeff Bonwick */ 4635e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 4636e14bb325SJeff Bonwick 4637e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 4638e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 4639e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 4640e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 4641e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 4642e14bb325SJeff Bonwick } else { 4643e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 4644e14bb325SJeff Bonwick } 4645e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 4646e14bb325SJeff Bonwick } 4647e14bb325SJeff Bonwick } else { 4648e14bb325SJeff Bonwick /* 4649e14bb325SJeff Bonwick * Inject errors on an l2cache device. 4650e14bb325SJeff Bonwick */ 4651e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 4652fa9e4066Sahrens 4653e14bb325SJeff Bonwick if (sav->sav_count == 0) { 4654e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4655e14bb325SJeff Bonwick return; 4656e14bb325SJeff Bonwick } 4657e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 4658ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 4659e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 4660e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 4661e14bb325SJeff Bonwick 4662e14bb325SJeff Bonwick leaf = 0; 4663e14bb325SJeff Bonwick leaves = 1; 4664e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 4665fa9e4066Sahrens } 4666fa9e4066Sahrens 4667e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 4668e14bb325SJeff Bonwick 4669fa9e4066Sahrens /* 46708f18d1faSGeorge Wilson * If we can tolerate two or more faults, or we're dealing 46718f18d1faSGeorge Wilson * with a slog, randomly online/offline vd0. 4672fa9e4066Sahrens */ 46738f18d1faSGeorge Wilson if ((maxfaults >= 2 || islog) && guid0 != 0) { 46748ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 46758ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 46768ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 46778f18d1faSGeorge Wilson 46788f18d1faSGeorge Wilson /* 46798f18d1faSGeorge Wilson * We have to grab the zs_name_lock as writer to 46808f18d1faSGeorge Wilson * prevent a race between offlining a slog and 46818f18d1faSGeorge Wilson * destroying a dataset. Offlining the slog will 46828f18d1faSGeorge Wilson * grab a reference on the dataset which may cause 46838f18d1faSGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 46848f18d1faSGeorge Wilson * leaving the dataset in an inconsistent state. 46858f18d1faSGeorge Wilson */ 46868f18d1faSGeorge Wilson if (islog) 4687*420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 46888f18d1faSGeorge Wilson 46898ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 46908f18d1faSGeorge Wilson 46918f18d1faSGeorge Wilson if (islog) 4692*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 46938ad4d6ddSJeff Bonwick } else { 46948ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 46958ad4d6ddSJeff Bonwick } 4696fa9e4066Sahrens } 4697fa9e4066Sahrens 46988f18d1faSGeorge Wilson if (maxfaults == 0) 46998f18d1faSGeorge Wilson return; 47008f18d1faSGeorge Wilson 4701fa9e4066Sahrens /* 4702ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 4703fa9e4066Sahrens */ 4704fa9e4066Sahrens fd = open(pathrand, O_RDWR); 4705fa9e4066Sahrens 4706fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 4707fa9e4066Sahrens return; 4708fa9e4066Sahrens 4709fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 4710fa9e4066Sahrens 4711fa9e4066Sahrens while (--iters != 0) { 4712fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 4713fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 4714fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 4715fa9e4066Sahrens 4716fa9e4066Sahrens if (offset >= fsize) 4717fa9e4066Sahrens continue; 4718fa9e4066Sahrens 4719*420dfc95SChris Siden VERIFY(mutex_lock(&ztest_vdev_lock) == 0); 47201195e687SMark J Musante if (mirror_save != zs->zs_mirrors) { 4721*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 47221195e687SMark J Musante (void) close(fd); 47231195e687SMark J Musante return; 47241195e687SMark J Musante } 4725fa9e4066Sahrens 4726fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 4727fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 4728fa9e4066Sahrens offset, pathrand); 47291195e687SMark J Musante 4730*420dfc95SChris Siden VERIFY(mutex_unlock(&ztest_vdev_lock) == 0); 47311195e687SMark J Musante 4732*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 7) 47331195e687SMark J Musante (void) printf("injected bad word into %s," 47341195e687SMark J Musante " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 4735fa9e4066Sahrens } 4736fa9e4066Sahrens 4737fa9e4066Sahrens (void) close(fd); 4738fa9e4066Sahrens } 4739fa9e4066Sahrens 4740fa9e4066Sahrens /* 4741b24ab676SJeff Bonwick * Verify that DDT repair works as expected. 4742fa9e4066Sahrens */ 4743fa9e4066Sahrens void 4744b24ab676SJeff Bonwick ztest_ddt_repair(ztest_ds_t *zd, uint64_t id) 4745fa9e4066Sahrens { 4746b24ab676SJeff Bonwick ztest_shared_t *zs = ztest_shared; 4747*420dfc95SChris Siden spa_t *spa = ztest_spa; 4748b24ab676SJeff Bonwick objset_t *os = zd->zd_os; 4749b24ab676SJeff Bonwick ztest_od_t od[1]; 4750b24ab676SJeff Bonwick uint64_t object, blocksize, txg, pattern, psize; 4751b24ab676SJeff Bonwick enum zio_checksum checksum = spa_dedup_checksum(spa); 4752b24ab676SJeff Bonwick dmu_buf_t *db; 4753b24ab676SJeff Bonwick dmu_tx_t *tx; 4754b24ab676SJeff Bonwick void *buf; 4755b24ab676SJeff Bonwick blkptr_t blk; 4756b24ab676SJeff Bonwick int copies = 2 * ZIO_DEDUPDITTO_MIN; 4757fa9e4066Sahrens 4758b24ab676SJeff Bonwick blocksize = ztest_random_blocksize(); 4759b24ab676SJeff Bonwick blocksize = MIN(blocksize, 2048); /* because we write so many */ 4760fa9e4066Sahrens 4761b24ab676SJeff Bonwick ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_UINT64_OTHER, blocksize, 0); 4762fa9e4066Sahrens 4763b24ab676SJeff Bonwick if (ztest_object_init(zd, od, sizeof (od), B_FALSE) != 0) 4764b24ab676SJeff Bonwick return; 4765fa9e4066Sahrens 4766fa9e4066Sahrens /* 4767b24ab676SJeff Bonwick * Take the name lock as writer to prevent anyone else from changing 4768b24ab676SJeff Bonwick * the pool and dataset properies we need to maintain during this test. 4769fa9e4066Sahrens */ 4770*420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 4771fa9e4066Sahrens 4772b24ab676SJeff Bonwick if (ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_DEDUP, checksum, 4773b24ab676SJeff Bonwick B_FALSE) != 0 || 4774b24ab676SJeff Bonwick ztest_dsl_prop_set_uint64(zd->zd_name, ZFS_PROP_COPIES, 1, 4775b24ab676SJeff Bonwick B_FALSE) != 0) { 4776*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4777b24ab676SJeff Bonwick return; 4778b24ab676SJeff Bonwick } 4779b24ab676SJeff Bonwick 4780b24ab676SJeff Bonwick object = od[0].od_object; 4781b24ab676SJeff Bonwick blocksize = od[0].od_blocksize; 4782e9103aaeSGarrett D'Amore pattern = zs->zs_guid ^ dmu_objset_fsid_guid(os); 4783b24ab676SJeff Bonwick 4784b24ab676SJeff Bonwick ASSERT(object != 0); 4785b24ab676SJeff Bonwick 4786b24ab676SJeff Bonwick tx = dmu_tx_create(os); 4787b24ab676SJeff Bonwick dmu_tx_hold_write(tx, object, 0, copies * blocksize); 4788b24ab676SJeff Bonwick txg = ztest_tx_assign(tx, TXG_WAIT, FTAG); 4789b24ab676SJeff Bonwick if (txg == 0) { 4790*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4791b24ab676SJeff Bonwick return; 4792b24ab676SJeff Bonwick } 4793fa9e4066Sahrens 4794fa9e4066Sahrens /* 4795b24ab676SJeff Bonwick * Write all the copies of our block. 4796fa9e4066Sahrens */ 4797b24ab676SJeff Bonwick for (int i = 0; i < copies; i++) { 4798b24ab676SJeff Bonwick uint64_t offset = i * blocksize; 479947cb52daSJeff Bonwick VERIFY(dmu_buf_hold(os, object, offset, FTAG, &db, 480047cb52daSJeff Bonwick DMU_READ_NO_PREFETCH) == 0); 4801b24ab676SJeff Bonwick ASSERT(db->db_offset == offset); 4802b24ab676SJeff Bonwick ASSERT(db->db_size == blocksize); 4803b24ab676SJeff Bonwick ASSERT(ztest_pattern_match(db->db_data, db->db_size, pattern) || 4804b24ab676SJeff Bonwick ztest_pattern_match(db->db_data, db->db_size, 0ULL)); 4805b24ab676SJeff Bonwick dmu_buf_will_fill(db, tx); 4806b24ab676SJeff Bonwick ztest_pattern_set(db->db_data, db->db_size, pattern); 4807b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4808b24ab676SJeff Bonwick } 4809fa9e4066Sahrens 4810b24ab676SJeff Bonwick dmu_tx_commit(tx); 4811b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), txg); 4812fa9e4066Sahrens 4813fa9e4066Sahrens /* 4814b24ab676SJeff Bonwick * Find out what block we got. 4815fa9e4066Sahrens */ 481647cb52daSJeff Bonwick VERIFY(dmu_buf_hold(os, object, 0, FTAG, &db, 481747cb52daSJeff Bonwick DMU_READ_NO_PREFETCH) == 0); 4818b24ab676SJeff Bonwick blk = *((dmu_buf_impl_t *)db)->db_blkptr; 4819b24ab676SJeff Bonwick dmu_buf_rele(db, FTAG); 4820fa9e4066Sahrens 4821fa9e4066Sahrens /* 4822b24ab676SJeff Bonwick * Damage the block. Dedup-ditto will save us when we read it later. 4823fa9e4066Sahrens */ 4824b24ab676SJeff Bonwick psize = BP_GET_PSIZE(&blk); 4825b24ab676SJeff Bonwick buf = zio_buf_alloc(psize); 4826b24ab676SJeff Bonwick ztest_pattern_set(buf, psize, ~pattern); 4827fa9e4066Sahrens 4828b24ab676SJeff Bonwick (void) zio_wait(zio_rewrite(NULL, spa, 0, &blk, 4829b24ab676SJeff Bonwick buf, psize, NULL, NULL, ZIO_PRIORITY_SYNC_WRITE, 4830b24ab676SJeff Bonwick ZIO_FLAG_CANFAIL | ZIO_FLAG_INDUCE_DAMAGE, NULL)); 4831fa9e4066Sahrens 4832b24ab676SJeff Bonwick zio_buf_free(buf, psize); 4833fa9e4066Sahrens 4834*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4835fa9e4066Sahrens } 4836fa9e4066Sahrens 4837fa9e4066Sahrens /* 4838b24ab676SJeff Bonwick * Scrub the pool. 4839fa9e4066Sahrens */ 4840b24ab676SJeff Bonwick /* ARGSUSED */ 4841b24ab676SJeff Bonwick void 4842b24ab676SJeff Bonwick ztest_scrub(ztest_ds_t *zd, uint64_t id) 4843fa9e4066Sahrens { 4844*420dfc95SChris Siden spa_t *spa = ztest_spa; 4845fa9e4066Sahrens 48463f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 4847b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); /* wait a moment, then force a restart */ 48483f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 4849b24ab676SJeff Bonwick } 4850fa9e4066Sahrens 4851e9103aaeSGarrett D'Amore /* 4852e9103aaeSGarrett D'Amore * Change the guid for the pool. 4853e9103aaeSGarrett D'Amore */ 4854e9103aaeSGarrett D'Amore /* ARGSUSED */ 4855e9103aaeSGarrett D'Amore void 4856e9103aaeSGarrett D'Amore ztest_reguid(ztest_ds_t *zd, uint64_t id) 4857e9103aaeSGarrett D'Amore { 4858*420dfc95SChris Siden spa_t *spa = ztest_spa; 4859e9103aaeSGarrett D'Amore uint64_t orig, load; 4860e9103aaeSGarrett D'Amore 4861e9103aaeSGarrett D'Amore orig = spa_guid(spa); 4862e9103aaeSGarrett D'Amore load = spa_load_guid(spa); 4863e9103aaeSGarrett D'Amore if (spa_change_guid(spa) != 0) 4864e9103aaeSGarrett D'Amore return; 4865e9103aaeSGarrett D'Amore 4866*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) { 4867e9103aaeSGarrett D'Amore (void) printf("Changed guid old %llu -> %llu\n", 4868e9103aaeSGarrett D'Amore (u_longlong_t)orig, (u_longlong_t)spa_guid(spa)); 4869e9103aaeSGarrett D'Amore } 4870e9103aaeSGarrett D'Amore 4871e9103aaeSGarrett D'Amore VERIFY3U(orig, !=, spa_guid(spa)); 4872e9103aaeSGarrett D'Amore VERIFY3U(load, ==, spa_load_guid(spa)); 4873e9103aaeSGarrett D'Amore } 4874e9103aaeSGarrett D'Amore 4875b24ab676SJeff Bonwick /* 4876b24ab676SJeff Bonwick * Rename the pool to a different name and then rename it back. 4877b24ab676SJeff Bonwick */ 4878b24ab676SJeff Bonwick /* ARGSUSED */ 4879b24ab676SJeff Bonwick void 4880b24ab676SJeff Bonwick ztest_spa_rename(ztest_ds_t *zd, uint64_t id) 4881b24ab676SJeff Bonwick { 4882b24ab676SJeff Bonwick char *oldname, *newname; 4883b24ab676SJeff Bonwick spa_t *spa; 4884fa9e4066Sahrens 4885*420dfc95SChris Siden (void) rw_wrlock(&ztest_name_lock); 4886fa9e4066Sahrens 4887*420dfc95SChris Siden oldname = ztest_opts.zo_pool; 4888b24ab676SJeff Bonwick newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 4889b24ab676SJeff Bonwick (void) strcpy(newname, oldname); 4890b24ab676SJeff Bonwick (void) strcat(newname, "_tmp"); 4891fa9e4066Sahrens 4892fa9e4066Sahrens /* 4893b24ab676SJeff Bonwick * Do the rename 4894fa9e4066Sahrens */ 4895b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_rename(oldname, newname)); 4896fa9e4066Sahrens 4897fa9e4066Sahrens /* 4898b24ab676SJeff Bonwick * Try to open it under the old name, which shouldn't exist 4899fa9e4066Sahrens */ 4900b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 4901fa9e4066Sahrens 4902fa9e4066Sahrens /* 4903b24ab676SJeff Bonwick * Open it under the new name and make sure it's still the same spa_t. 4904fa9e4066Sahrens */ 4905b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 4906fa9e4066Sahrens 4907*420dfc95SChris Siden ASSERT(spa == ztest_spa); 4908b24ab676SJeff Bonwick spa_close(spa, FTAG); 4909fa9e4066Sahrens 4910b24ab676SJeff Bonwick /* 4911b24ab676SJeff Bonwick * Rename it back to the original 4912b24ab676SJeff Bonwick */ 4913b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_rename(newname, oldname)); 4914fa9e4066Sahrens 4915fa9e4066Sahrens /* 4916b24ab676SJeff Bonwick * Make sure it can still be opened 4917fa9e4066Sahrens */ 4918b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 4919fa9e4066Sahrens 4920*420dfc95SChris Siden ASSERT(spa == ztest_spa); 4921b24ab676SJeff Bonwick spa_close(spa, FTAG); 4922fa9e4066Sahrens 4923b24ab676SJeff Bonwick umem_free(newname, strlen(newname) + 1); 4924b24ab676SJeff Bonwick 4925*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 4926fa9e4066Sahrens } 4927fa9e4066Sahrens 4928b24ab676SJeff Bonwick /* 4929b24ab676SJeff Bonwick * Verify pool integrity by running zdb. 4930b24ab676SJeff Bonwick */ 4931fa9e4066Sahrens static void 4932b24ab676SJeff Bonwick ztest_run_zdb(char *pool) 4933fa9e4066Sahrens { 4934fa9e4066Sahrens int status; 4935fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 4936fa9e4066Sahrens char zbuf[1024]; 4937fa9e4066Sahrens char *bin; 49388654d025Sperrin char *ztest; 49398654d025Sperrin char *isa; 49408654d025Sperrin int isalen; 4941fa9e4066Sahrens FILE *fp; 4942fa9e4066Sahrens 4943fa9e4066Sahrens (void) realpath(getexecname(), zdb); 4944fa9e4066Sahrens 4945fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 4946fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 49478654d025Sperrin ztest = strstr(bin, "/ztest"); 49488654d025Sperrin isa = bin + 8; 49498654d025Sperrin isalen = ztest - isa; 49508654d025Sperrin isa = strdup(isa); 4951fa9e4066Sahrens /* LINTED */ 49523a57275aSck (void) sprintf(bin, 4953f0ba89beSJeff Bonwick "/usr/sbin%.*s/zdb -bcc%s%s -U %s %s", 49548654d025Sperrin isalen, 49558654d025Sperrin isa, 4956*420dfc95SChris Siden ztest_opts.zo_verbose >= 3 ? "s" : "", 4957*420dfc95SChris Siden ztest_opts.zo_verbose >= 4 ? "v" : "", 4958f0ba89beSJeff Bonwick spa_config_path, 495988b7b0f2SMatthew Ahrens pool); 49608654d025Sperrin free(isa); 4961fa9e4066Sahrens 4962*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 5) 4963fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 4964fa9e4066Sahrens 4965fa9e4066Sahrens fp = popen(zdb, "r"); 4966fa9e4066Sahrens 4967fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 4968*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 4969fa9e4066Sahrens (void) printf("%s", zbuf); 4970fa9e4066Sahrens 4971fa9e4066Sahrens status = pclose(fp); 4972fa9e4066Sahrens 4973fa9e4066Sahrens if (status == 0) 4974fa9e4066Sahrens return; 4975fa9e4066Sahrens 4976fa9e4066Sahrens ztest_dump_core = 0; 4977fa9e4066Sahrens if (WIFEXITED(status)) 4978fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 4979fa9e4066Sahrens else 4980fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 4981fa9e4066Sahrens } 4982fa9e4066Sahrens 4983fa9e4066Sahrens static void 4984fa9e4066Sahrens ztest_walk_pool_directory(char *header) 4985fa9e4066Sahrens { 4986fa9e4066Sahrens spa_t *spa = NULL; 4987fa9e4066Sahrens 4988*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 4989fa9e4066Sahrens (void) printf("%s\n", header); 4990fa9e4066Sahrens 4991fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 4992fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 4993*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 4994fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 4995fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 4996fa9e4066Sahrens } 4997fa9e4066Sahrens 4998fa9e4066Sahrens static void 4999fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 5000fa9e4066Sahrens { 50018ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 5002fa9e4066Sahrens uint64_t pool_guid; 5003fa9e4066Sahrens spa_t *spa; 5004fa9e4066Sahrens 5005*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) { 5006fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 5007fa9e4066Sahrens oldname, newname); 5008fa9e4066Sahrens } 5009fa9e4066Sahrens 5010fa9e4066Sahrens /* 5011fa9e4066Sahrens * Clean up from previous runs. 5012fa9e4066Sahrens */ 5013fa9e4066Sahrens (void) spa_destroy(newname); 5014fa9e4066Sahrens 5015fa9e4066Sahrens /* 5016fa9e4066Sahrens * Get the pool's configuration and guid. 5017fa9e4066Sahrens */ 5018b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG)); 5019fa9e4066Sahrens 50208ad4d6ddSJeff Bonwick /* 50218ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 50228ad4d6ddSJeff Bonwick */ 50238ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 50243f9d6ad7SLin Ling (void) spa_scan(spa, POOL_SCAN_SCRUB); 50258ad4d6ddSJeff Bonwick 5026fa9e4066Sahrens pool_guid = spa_guid(spa); 5027fa9e4066Sahrens spa_close(spa, FTAG); 5028fa9e4066Sahrens 5029fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 5030fa9e4066Sahrens 5031fa9e4066Sahrens /* 5032fa9e4066Sahrens * Export it. 5033fa9e4066Sahrens */ 5034b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_export(oldname, &config, B_FALSE, B_FALSE)); 5035fa9e4066Sahrens 5036fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 5037fa9e4066Sahrens 50388ad4d6ddSJeff Bonwick /* 50398ad4d6ddSJeff Bonwick * Try to import it. 50408ad4d6ddSJeff Bonwick */ 50418ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 50428ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 50438ad4d6ddSJeff Bonwick nvlist_free(newconfig); 50448ad4d6ddSJeff Bonwick 5045fa9e4066Sahrens /* 5046fa9e4066Sahrens * Import it under the new name. 5047fa9e4066Sahrens */ 50484b964adaSGeorge Wilson VERIFY3U(0, ==, spa_import(newname, config, NULL, 0)); 5049fa9e4066Sahrens 5050fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 5051fa9e4066Sahrens 5052fa9e4066Sahrens /* 5053fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 5054fa9e4066Sahrens */ 50554b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(newname, config, NULL, 0)); 5056fa9e4066Sahrens 5057fa9e4066Sahrens /* 5058fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 5059fa9e4066Sahrens */ 50604b964adaSGeorge Wilson VERIFY3U(EEXIST, ==, spa_import(oldname, config, NULL, 0)); 5061fa9e4066Sahrens 5062fa9e4066Sahrens /* 5063fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 5064fa9e4066Sahrens */ 5065b24ab676SJeff Bonwick VERIFY3U(ENOENT, ==, spa_open(oldname, &spa, FTAG)); 5066fa9e4066Sahrens 5067fa9e4066Sahrens /* 5068fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 5069fa9e4066Sahrens */ 5070b24ab676SJeff Bonwick VERIFY3U(0, ==, spa_open(newname, &spa, FTAG)); 5071fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 5072fa9e4066Sahrens spa_close(spa, FTAG); 5073fa9e4066Sahrens 5074fa9e4066Sahrens nvlist_free(config); 5075fa9e4066Sahrens } 5076fa9e4066Sahrens 50778ad4d6ddSJeff Bonwick static void 50788ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 50798ad4d6ddSJeff Bonwick { 5080*420dfc95SChris Siden if (spa_suspended(spa) && ztest_opts.zo_verbose >= 6) 5081b24ab676SJeff Bonwick (void) printf("resuming from suspended state\n"); 5082b24ab676SJeff Bonwick spa_vdev_state_enter(spa, SCL_NONE); 5083b24ab676SJeff Bonwick vdev_clear(spa, NULL); 5084b24ab676SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 5085b24ab676SJeff Bonwick (void) zio_resume(spa); 50868ad4d6ddSJeff Bonwick } 50878ad4d6ddSJeff Bonwick 50880a4e9518Sgw static void * 50898ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 50900a4e9518Sgw { 5091e14bb325SJeff Bonwick spa_t *spa = arg; 50920a4e9518Sgw 50930a4e9518Sgw while (!ztest_exiting) { 5094b24ab676SJeff Bonwick if (spa_suspended(spa)) 5095b24ab676SJeff Bonwick ztest_resume(spa); 5096b24ab676SJeff Bonwick (void) poll(NULL, 0, 100); 50970a4e9518Sgw } 50980a4e9518Sgw return (NULL); 50990a4e9518Sgw } 51000a4e9518Sgw 5101b24ab676SJeff Bonwick static void * 5102b24ab676SJeff Bonwick ztest_deadman_thread(void *arg) 5103b24ab676SJeff Bonwick { 5104b24ab676SJeff Bonwick ztest_shared_t *zs = arg; 5105b24ab676SJeff Bonwick int grace = 300; 5106b24ab676SJeff Bonwick hrtime_t delta; 5107b24ab676SJeff Bonwick 5108b24ab676SJeff Bonwick delta = (zs->zs_thread_stop - zs->zs_thread_start) / NANOSEC + grace; 5109b24ab676SJeff Bonwick 5110b24ab676SJeff Bonwick (void) poll(NULL, 0, (int)(1000 * delta)); 5111b24ab676SJeff Bonwick 5112b24ab676SJeff Bonwick fatal(0, "failed to complete within %d seconds of deadline", grace); 5113b24ab676SJeff Bonwick 5114b24ab676SJeff Bonwick return (NULL); 5115b24ab676SJeff Bonwick } 5116b24ab676SJeff Bonwick 5117b24ab676SJeff Bonwick static void 5118*420dfc95SChris Siden ztest_execute(int test, ztest_info_t *zi, uint64_t id) 5119b24ab676SJeff Bonwick { 5120*420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[id % ztest_opts.zo_datasets]; 5121*420dfc95SChris Siden ztest_shared_callstate_t *zc = ZTEST_GET_SHARED_CALLSTATE(test); 5122b24ab676SJeff Bonwick hrtime_t functime = gethrtime(); 5123b24ab676SJeff Bonwick 5124b24ab676SJeff Bonwick for (int i = 0; i < zi->zi_iters; i++) 5125b24ab676SJeff Bonwick zi->zi_func(zd, id); 5126b24ab676SJeff Bonwick 5127b24ab676SJeff Bonwick functime = gethrtime() - functime; 5128b24ab676SJeff Bonwick 5129*420dfc95SChris Siden atomic_add_64(&zc->zc_count, 1); 5130*420dfc95SChris Siden atomic_add_64(&zc->zc_time, functime); 5131b24ab676SJeff Bonwick 5132*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) { 5133b24ab676SJeff Bonwick Dl_info dli; 5134b24ab676SJeff Bonwick (void) dladdr((void *)zi->zi_func, &dli); 5135b24ab676SJeff Bonwick (void) printf("%6.2f sec in %s\n", 5136b24ab676SJeff Bonwick (double)functime / NANOSEC, dli.dli_sname); 5137b24ab676SJeff Bonwick } 5138b24ab676SJeff Bonwick } 5139b24ab676SJeff Bonwick 5140fa9e4066Sahrens static void * 5141fa9e4066Sahrens ztest_thread(void *arg) 5142fa9e4066Sahrens { 5143*420dfc95SChris Siden int rand; 5144b24ab676SJeff Bonwick uint64_t id = (uintptr_t)arg; 5145fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 5146b24ab676SJeff Bonwick uint64_t call_next; 5147b24ab676SJeff Bonwick hrtime_t now; 5148fa9e4066Sahrens ztest_info_t *zi; 5149*420dfc95SChris Siden ztest_shared_callstate_t *zc; 5150fa9e4066Sahrens 5151b24ab676SJeff Bonwick while ((now = gethrtime()) < zs->zs_thread_stop) { 5152fa9e4066Sahrens /* 5153fa9e4066Sahrens * See if it's time to force a crash. 5154fa9e4066Sahrens */ 5155b24ab676SJeff Bonwick if (now > zs->zs_thread_kill) 5156b24ab676SJeff Bonwick ztest_kill(zs); 5157fa9e4066Sahrens 5158fa9e4066Sahrens /* 5159b24ab676SJeff Bonwick * If we're getting ENOSPC with some regularity, stop. 5160fa9e4066Sahrens */ 5161b24ab676SJeff Bonwick if (zs->zs_enospc_count > 10) 5162b24ab676SJeff Bonwick break; 5163fa9e4066Sahrens 5164fa9e4066Sahrens /* 5165b24ab676SJeff Bonwick * Pick a random function to execute. 5166fa9e4066Sahrens */ 5167*420dfc95SChris Siden rand = ztest_random(ZTEST_FUNCS); 5168*420dfc95SChris Siden zi = &ztest_info[rand]; 5169*420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(rand); 5170*420dfc95SChris Siden call_next = zc->zc_next; 5171b24ab676SJeff Bonwick 5172b24ab676SJeff Bonwick if (now >= call_next && 5173*420dfc95SChris Siden atomic_cas_64(&zc->zc_next, call_next, call_next + 5174*420dfc95SChris Siden ztest_random(2 * zi->zi_interval[0] + 1)) == call_next) { 5175*420dfc95SChris Siden ztest_execute(rand, zi, id); 5176*420dfc95SChris Siden } 5177b24ab676SJeff Bonwick } 5178fa9e4066Sahrens 5179b24ab676SJeff Bonwick return (NULL); 5180b24ab676SJeff Bonwick } 5181fa9e4066Sahrens 5182b24ab676SJeff Bonwick static void 5183b24ab676SJeff Bonwick ztest_dataset_name(char *dsname, char *pool, int d) 5184b24ab676SJeff Bonwick { 5185b24ab676SJeff Bonwick (void) snprintf(dsname, MAXNAMELEN, "%s/ds_%d", pool, d); 5186b24ab676SJeff Bonwick } 5187fa9e4066Sahrens 5188b24ab676SJeff Bonwick static void 5189*420dfc95SChris Siden ztest_dataset_destroy(int d) 5190b24ab676SJeff Bonwick { 5191b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5192fa9e4066Sahrens 5193*420dfc95SChris Siden ztest_dataset_name(name, ztest_opts.zo_pool, d); 5194fa9e4066Sahrens 5195*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5196b24ab676SJeff Bonwick (void) printf("Destroying %s to free up space\n", name); 5197fa9e4066Sahrens 5198b24ab676SJeff Bonwick /* 5199b24ab676SJeff Bonwick * Cleanup any non-standard clones and snapshots. In general, 5200b24ab676SJeff Bonwick * ztest thread t operates on dataset (t % zopt_datasets), 5201b24ab676SJeff Bonwick * so there may be more than one thing to clean up. 5202b24ab676SJeff Bonwick */ 5203*420dfc95SChris Siden for (int t = d; t < ztest_opts.zo_threads; 5204*420dfc95SChris Siden t += ztest_opts.zo_datasets) { 5205b24ab676SJeff Bonwick ztest_dsl_dataset_cleanup(name, t); 5206*420dfc95SChris Siden } 5207fa9e4066Sahrens 5208b24ab676SJeff Bonwick (void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL, 5209b24ab676SJeff Bonwick DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 5210b24ab676SJeff Bonwick } 5211b24ab676SJeff Bonwick 5212b24ab676SJeff Bonwick static void 5213b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(ztest_ds_t *zd) 5214b24ab676SJeff Bonwick { 5215b24ab676SJeff Bonwick uint64_t usedobjs, dirobjs, scratch; 5216b24ab676SJeff Bonwick 5217b24ab676SJeff Bonwick /* 5218b24ab676SJeff Bonwick * ZTEST_DIROBJ is the object directory for the entire dataset. 5219b24ab676SJeff Bonwick * Therefore, the number of objects in use should equal the 5220b24ab676SJeff Bonwick * number of ZTEST_DIROBJ entries, +1 for ZTEST_DIROBJ itself. 5221b24ab676SJeff Bonwick * If not, we have an object leak. 5222b24ab676SJeff Bonwick * 5223b24ab676SJeff Bonwick * Note that we can only check this in ztest_dataset_open(), 5224b24ab676SJeff Bonwick * when the open-context and syncing-context values agree. 5225b24ab676SJeff Bonwick * That's because zap_count() returns the open-context value, 5226b24ab676SJeff Bonwick * while dmu_objset_space() returns the rootbp fill count. 5227b24ab676SJeff Bonwick */ 5228b24ab676SJeff Bonwick VERIFY3U(0, ==, zap_count(zd->zd_os, ZTEST_DIROBJ, &dirobjs)); 5229b24ab676SJeff Bonwick dmu_objset_space(zd->zd_os, &scratch, &scratch, &usedobjs, &scratch); 5230b24ab676SJeff Bonwick ASSERT3U(dirobjs + 1, ==, usedobjs); 5231b24ab676SJeff Bonwick } 5232b24ab676SJeff Bonwick 5233b24ab676SJeff Bonwick static int 5234*420dfc95SChris Siden ztest_dataset_open(int d) 5235b24ab676SJeff Bonwick { 5236*420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[d]; 5237*420dfc95SChris Siden uint64_t committed_seq = ZTEST_GET_SHARED_DS(d)->zd_seq; 5238b24ab676SJeff Bonwick objset_t *os; 5239b24ab676SJeff Bonwick zilog_t *zilog; 5240b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5241b24ab676SJeff Bonwick int error; 5242b24ab676SJeff Bonwick 5243*420dfc95SChris Siden ztest_dataset_name(name, ztest_opts.zo_pool, d); 5244b24ab676SJeff Bonwick 5245*420dfc95SChris Siden (void) rw_rdlock(&ztest_name_lock); 5246b24ab676SJeff Bonwick 524755da60b9SMark J Musante error = ztest_dataset_create(name); 5248b24ab676SJeff Bonwick if (error == ENOSPC) { 5249*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5250b24ab676SJeff Bonwick ztest_record_enospc(FTAG); 5251b24ab676SJeff Bonwick return (error); 5252fa9e4066Sahrens } 5253b24ab676SJeff Bonwick ASSERT(error == 0 || error == EEXIST); 5254fa9e4066Sahrens 5255b24ab676SJeff Bonwick VERIFY3U(dmu_objset_hold(name, zd, &os), ==, 0); 5256*420dfc95SChris Siden (void) rw_unlock(&ztest_name_lock); 5257b24ab676SJeff Bonwick 5258*420dfc95SChris Siden ztest_zd_init(zd, ZTEST_GET_SHARED_DS(d), os); 5259b24ab676SJeff Bonwick 5260b24ab676SJeff Bonwick zilog = zd->zd_zilog; 5261b24ab676SJeff Bonwick 5262b24ab676SJeff Bonwick if (zilog->zl_header->zh_claim_lr_seq != 0 && 5263b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq < committed_seq) 5264b24ab676SJeff Bonwick fatal(0, "missing log records: claimed %llu < committed %llu", 5265b24ab676SJeff Bonwick zilog->zl_header->zh_claim_lr_seq, committed_seq); 5266b24ab676SJeff Bonwick 5267b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5268b24ab676SJeff Bonwick 5269b24ab676SJeff Bonwick zil_replay(os, zd, ztest_replay_vector); 5270b24ab676SJeff Bonwick 5271b24ab676SJeff Bonwick ztest_dataset_dirobj_verify(zd); 5272b24ab676SJeff Bonwick 5273*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 6) 5274b24ab676SJeff Bonwick (void) printf("%s replay %llu blocks, %llu records, seq %llu\n", 5275b24ab676SJeff Bonwick zd->zd_name, 5276b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_blk_count, 5277b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_parse_lr_count, 5278b24ab676SJeff Bonwick (u_longlong_t)zilog->zl_replaying_seq); 5279b24ab676SJeff Bonwick 5280b24ab676SJeff Bonwick zilog = zil_open(os, ztest_get_data); 5281b24ab676SJeff Bonwick 5282b24ab676SJeff Bonwick if (zilog->zl_replaying_seq != 0 && 5283b24ab676SJeff Bonwick zilog->zl_replaying_seq < committed_seq) 5284b24ab676SJeff Bonwick fatal(0, "missing log records: replayed %llu < committed %llu", 5285b24ab676SJeff Bonwick zilog->zl_replaying_seq, committed_seq); 5286b24ab676SJeff Bonwick 5287b24ab676SJeff Bonwick return (0); 5288b24ab676SJeff Bonwick } 5289b24ab676SJeff Bonwick 5290b24ab676SJeff Bonwick static void 5291*420dfc95SChris Siden ztest_dataset_close(int d) 5292b24ab676SJeff Bonwick { 5293*420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[d]; 5294b24ab676SJeff Bonwick 5295b24ab676SJeff Bonwick zil_close(zd->zd_zilog); 5296b24ab676SJeff Bonwick dmu_objset_rele(zd->zd_os, zd); 5297b24ab676SJeff Bonwick 5298b24ab676SJeff Bonwick ztest_zd_fini(zd); 5299fa9e4066Sahrens } 5300fa9e4066Sahrens 5301fa9e4066Sahrens /* 5302fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 5303fa9e4066Sahrens */ 5304fa9e4066Sahrens static void 5305b24ab676SJeff Bonwick ztest_run(ztest_shared_t *zs) 5306fa9e4066Sahrens { 5307b24ab676SJeff Bonwick thread_t *tid; 5308fa9e4066Sahrens spa_t *spa; 5309e9103aaeSGarrett D'Amore objset_t *os; 5310e14bb325SJeff Bonwick thread_t resume_tid; 5311b24ab676SJeff Bonwick int error; 5312e14bb325SJeff Bonwick 5313e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 5314fa9e4066Sahrens 5315fa9e4066Sahrens /* 5316b24ab676SJeff Bonwick * Initialize parent/child shared state. 5317fa9e4066Sahrens */ 5318*420dfc95SChris Siden VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0); 5319*420dfc95SChris Siden VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0); 5320fa9e4066Sahrens 5321b24ab676SJeff Bonwick zs->zs_thread_start = gethrtime(); 5322*420dfc95SChris Siden zs->zs_thread_stop = 5323*420dfc95SChris Siden zs->zs_thread_start + ztest_opts.zo_passtime * NANOSEC; 5324b24ab676SJeff Bonwick zs->zs_thread_stop = MIN(zs->zs_thread_stop, zs->zs_proc_stop); 5325b24ab676SJeff Bonwick zs->zs_thread_kill = zs->zs_thread_stop; 5326*420dfc95SChris Siden if (ztest_random(100) < ztest_opts.zo_killrate) { 5327*420dfc95SChris Siden zs->zs_thread_kill -= 5328*420dfc95SChris Siden ztest_random(ztest_opts.zo_passtime * NANOSEC); 5329*420dfc95SChris Siden } 5330fa9e4066Sahrens 5331b24ab676SJeff Bonwick (void) _mutex_init(&zcl.zcl_callbacks_lock, USYNC_THREAD, NULL); 5332fa9e4066Sahrens 5333b24ab676SJeff Bonwick list_create(&zcl.zcl_callbacks, sizeof (ztest_cb_data_t), 5334b24ab676SJeff Bonwick offsetof(ztest_cb_data_t, zcd_node)); 5335fa9e4066Sahrens 53360a4e9518Sgw /* 5337e14bb325SJeff Bonwick * Open our pool. 53380a4e9518Sgw */ 5339b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5340*420dfc95SChris Siden VERIFY(spa_open(ztest_opts.zo_pool, &spa, FTAG) == 0); 534109c9d376SGeorge Wilson spa->spa_debug = B_TRUE; 5342*420dfc95SChris Siden ztest_spa = spa; 5343b24ab676SJeff Bonwick 5344*420dfc95SChris Siden VERIFY3U(0, ==, dmu_objset_hold(ztest_opts.zo_pool, FTAG, &os)); 5345e9103aaeSGarrett D'Amore zs->zs_guid = dmu_objset_fsid_guid(os); 5346e9103aaeSGarrett D'Amore dmu_objset_rele(os, FTAG); 5347e9103aaeSGarrett D'Amore 5348b24ab676SJeff Bonwick spa->spa_dedup_ditto = 2 * ZIO_DEDUPDITTO_MIN; 53490a4e9518Sgw 53508ad4d6ddSJeff Bonwick /* 53518ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 53528ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 53538ad4d6ddSJeff Bonwick * the only valid replica. 53548ad4d6ddSJeff Bonwick */ 53551195e687SMark J Musante if (MAXFAULTS() == 0) 53568ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 53578ad4d6ddSJeff Bonwick else 53588ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 53598ad4d6ddSJeff Bonwick 5360fa9e4066Sahrens /* 5361e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 5362fa9e4066Sahrens */ 53638ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 5364e14bb325SJeff Bonwick &resume_tid) == 0); 5365fa9e4066Sahrens 5366b24ab676SJeff Bonwick /* 5367b24ab676SJeff Bonwick * Create a deadman thread to abort() if we hang. 5368b24ab676SJeff Bonwick */ 5369b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_deadman_thread, zs, THR_BOUND, 5370b24ab676SJeff Bonwick NULL) == 0); 5371b24ab676SJeff Bonwick 5372fa9e4066Sahrens /* 5373fa9e4066Sahrens * Verify that we can safely inquire about about any object, 5374fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 5375fa9e4066Sahrens * we probe a 5-wide window around each power of two. 5376fa9e4066Sahrens * This hits all edge cases, including zero and the max. 5377fa9e4066Sahrens */ 5378b24ab676SJeff Bonwick for (int t = 0; t < 64; t++) { 5379b24ab676SJeff Bonwick for (int d = -5; d <= 5; d++) { 5380fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 5381fa9e4066Sahrens (1ULL << t) + d, NULL); 5382ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 5383ea8dc4b6Seschrock error == EINVAL); 5384fa9e4066Sahrens } 5385fa9e4066Sahrens } 5386fa9e4066Sahrens 5387fa9e4066Sahrens /* 5388b24ab676SJeff Bonwick * If we got any ENOSPC errors on the previous run, destroy something. 5389fa9e4066Sahrens */ 5390b24ab676SJeff Bonwick if (zs->zs_enospc_count != 0) { 5391*420dfc95SChris Siden int d = ztest_random(ztest_opts.zo_datasets); 5392*420dfc95SChris Siden ztest_dataset_destroy(d); 5393b24ab676SJeff Bonwick } 5394fa9e4066Sahrens zs->zs_enospc_count = 0; 5395fa9e4066Sahrens 5396*420dfc95SChris Siden tid = umem_zalloc(ztest_opts.zo_threads * sizeof (thread_t), 5397*420dfc95SChris Siden UMEM_NOFAIL); 5398fa9e4066Sahrens 5399*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 4) 5400fa9e4066Sahrens (void) printf("starting main threads...\n"); 5401fa9e4066Sahrens 5402b24ab676SJeff Bonwick /* 5403b24ab676SJeff Bonwick * Kick off all the tests that run in parallel. 5404b24ab676SJeff Bonwick */ 5405*420dfc95SChris Siden for (int t = 0; t < ztest_opts.zo_threads; t++) { 5406*420dfc95SChris Siden if (t < ztest_opts.zo_datasets && 5407*420dfc95SChris Siden ztest_dataset_open(t) != 0) 5408b24ab676SJeff Bonwick return; 5409b24ab676SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, (void *)(uintptr_t)t, 5410b24ab676SJeff Bonwick THR_BOUND, &tid[t]) == 0); 5411fa9e4066Sahrens } 5412fa9e4066Sahrens 5413b24ab676SJeff Bonwick /* 5414b24ab676SJeff Bonwick * Wait for all of the tests to complete. We go in reverse order 5415b24ab676SJeff Bonwick * so we don't close datasets while threads are still using them. 5416b24ab676SJeff Bonwick */ 5417*420dfc95SChris Siden for (int t = ztest_opts.zo_threads - 1; t >= 0; t--) { 5418b24ab676SJeff Bonwick VERIFY(thr_join(tid[t], NULL, NULL) == 0); 5419*420dfc95SChris Siden if (t < ztest_opts.zo_datasets) 5420*420dfc95SChris Siden ztest_dataset_close(t); 5421fa9e4066Sahrens } 5422fa9e4066Sahrens 5423fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 5424fa9e4066Sahrens 5425b24ab676SJeff Bonwick zs->zs_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 5426b24ab676SJeff Bonwick zs->zs_space = metaslab_class_get_space(spa_normal_class(spa)); 5427b24ab676SJeff Bonwick 5428*420dfc95SChris Siden umem_free(tid, ztest_opts.zo_threads * sizeof (thread_t)); 5429b24ab676SJeff Bonwick 5430b24ab676SJeff Bonwick /* Kill the resume thread */ 5431b24ab676SJeff Bonwick ztest_exiting = B_TRUE; 5432b24ab676SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 5433b24ab676SJeff Bonwick ztest_resume(spa); 5434b24ab676SJeff Bonwick 5435b24ab676SJeff Bonwick /* 5436b24ab676SJeff Bonwick * Right before closing the pool, kick off a bunch of async I/O; 5437b24ab676SJeff Bonwick * spa_close() should wait for it to complete. 5438b24ab676SJeff Bonwick */ 5439b24ab676SJeff Bonwick for (uint64_t object = 1; object < 50; object++) 5440b24ab676SJeff Bonwick dmu_prefetch(spa->spa_meta_objset, object, 0, 1ULL << 20); 5441b24ab676SJeff Bonwick 5442b24ab676SJeff Bonwick spa_close(spa, FTAG); 5443fa9e4066Sahrens 5444fa9e4066Sahrens /* 5445b24ab676SJeff Bonwick * Verify that we can loop over all pools. 5446fa9e4066Sahrens */ 5447b24ab676SJeff Bonwick mutex_enter(&spa_namespace_lock); 5448b24ab676SJeff Bonwick for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) 5449*420dfc95SChris Siden if (ztest_opts.zo_verbose > 3) 5450b24ab676SJeff Bonwick (void) printf("spa_next: found %s\n", spa_name(spa)); 5451b24ab676SJeff Bonwick mutex_exit(&spa_namespace_lock); 5452b24ab676SJeff Bonwick 5453b24ab676SJeff Bonwick /* 5454b24ab676SJeff Bonwick * Verify that we can export the pool and reimport it under a 5455b24ab676SJeff Bonwick * different name. 5456b24ab676SJeff Bonwick */ 5457b24ab676SJeff Bonwick if (ztest_random(2) == 0) { 5458b24ab676SJeff Bonwick char name[MAXNAMELEN]; 5459*420dfc95SChris Siden (void) snprintf(name, MAXNAMELEN, "%s_import", 5460*420dfc95SChris Siden ztest_opts.zo_pool); 5461*420dfc95SChris Siden ztest_spa_import_export(ztest_opts.zo_pool, name); 5462*420dfc95SChris Siden ztest_spa_import_export(name, ztest_opts.zo_pool); 5463b24ab676SJeff Bonwick } 5464b24ab676SJeff Bonwick 5465b24ab676SJeff Bonwick kernel_fini(); 546626cb54a9SGeorge Wilson 546726cb54a9SGeorge Wilson list_destroy(&zcl.zcl_callbacks); 546826cb54a9SGeorge Wilson 546926cb54a9SGeorge Wilson (void) _mutex_destroy(&zcl.zcl_callbacks_lock); 547026cb54a9SGeorge Wilson 5471*420dfc95SChris Siden (void) rwlock_destroy(&ztest_name_lock); 5472*420dfc95SChris Siden (void) _mutex_destroy(&ztest_vdev_lock); 5473b24ab676SJeff Bonwick } 5474b24ab676SJeff Bonwick 5475b24ab676SJeff Bonwick static void 5476*420dfc95SChris Siden ztest_freeze(void) 5477b24ab676SJeff Bonwick { 5478*420dfc95SChris Siden ztest_ds_t *zd = &ztest_ds[0]; 5479b24ab676SJeff Bonwick spa_t *spa; 54802215e990SMark J Musante int numloops = 0; 5481b24ab676SJeff Bonwick 5482*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3) 5483b24ab676SJeff Bonwick (void) printf("testing spa_freeze()...\n"); 5484718d718aSGeorge Wilson 5485b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5486*420dfc95SChris Siden VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5487*420dfc95SChris Siden VERIFY3U(0, ==, ztest_dataset_open(0)); 5488718d718aSGeorge Wilson 5489b24ab676SJeff Bonwick /* 5490b24ab676SJeff Bonwick * Force the first log block to be transactionally allocated. 5491b24ab676SJeff Bonwick * We have to do this before we freeze the pool -- otherwise 5492b24ab676SJeff Bonwick * the log chain won't be anchored. 5493b24ab676SJeff Bonwick */ 5494b24ab676SJeff Bonwick while (BP_IS_HOLE(&zd->zd_zilog->zl_header->zh_log)) { 5495b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 54965002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5497fa9e4066Sahrens } 5498fa9e4066Sahrens 5499ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 5500fa9e4066Sahrens 5501b24ab676SJeff Bonwick /* 5502b24ab676SJeff Bonwick * Freeze the pool. This stops spa_sync() from doing anything, 5503b24ab676SJeff Bonwick * so that the only way to record changes from now on is the ZIL. 5504b24ab676SJeff Bonwick */ 5505b24ab676SJeff Bonwick spa_freeze(spa); 5506e14bb325SJeff Bonwick 5507b24ab676SJeff Bonwick /* 5508b24ab676SJeff Bonwick * Run tests that generate log records but don't alter the pool config 5509b24ab676SJeff Bonwick * or depend on DSL sync tasks (snapshots, objset create/destroy, etc). 5510b24ab676SJeff Bonwick * We do a txg_wait_synced() after each iteration to force the txg 5511b24ab676SJeff Bonwick * to increase well beyond the last synced value in the uberblock. 5512b24ab676SJeff Bonwick * The ZIL should be OK with that. 5513b24ab676SJeff Bonwick */ 5514*420dfc95SChris Siden while (ztest_random(10) != 0 && 5515*420dfc95SChris Siden numloops++ < ztest_opts.zo_maxloops) { 5516b24ab676SJeff Bonwick ztest_dmu_write_parallel(zd, 0); 5517b24ab676SJeff Bonwick ztest_dmu_object_alloc_free(zd, 0); 5518b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5519b24ab676SJeff Bonwick } 5520e14bb325SJeff Bonwick 5521fa9e4066Sahrens /* 5522b24ab676SJeff Bonwick * Commit all of the changes we just generated. 5523fa9e4066Sahrens */ 55245002558fSNeil Perrin zil_commit(zd->zd_zilog, 0); 5525b24ab676SJeff Bonwick txg_wait_synced(spa_get_dsl(spa), 0); 5526fa9e4066Sahrens 5527b24ab676SJeff Bonwick /* 5528b24ab676SJeff Bonwick * Close our dataset and close the pool. 5529b24ab676SJeff Bonwick */ 5530*420dfc95SChris Siden ztest_dataset_close(0); 5531e05725b1Sbonwick spa_close(spa, FTAG); 5532b24ab676SJeff Bonwick kernel_fini(); 5533e05725b1Sbonwick 5534b24ab676SJeff Bonwick /* 5535b24ab676SJeff Bonwick * Open and close the pool and dataset to induce log replay. 5536b24ab676SJeff Bonwick */ 5537b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5538*420dfc95SChris Siden VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5539*420dfc95SChris Siden VERIFY3U(0, ==, ztest_dataset_open(0)); 5540*420dfc95SChris Siden ztest_dataset_close(0); 5541b24ab676SJeff Bonwick spa_close(spa, FTAG); 5542fa9e4066Sahrens kernel_fini(); 5543fa9e4066Sahrens } 5544fa9e4066Sahrens 5545fa9e4066Sahrens void 5546fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 5547fa9e4066Sahrens { 5548fa9e4066Sahrens hrtime_t s = t / NANOSEC; 5549fa9e4066Sahrens hrtime_t m = s / 60; 5550fa9e4066Sahrens hrtime_t h = m / 60; 5551fa9e4066Sahrens hrtime_t d = h / 24; 5552fa9e4066Sahrens 5553fa9e4066Sahrens s -= m * 60; 5554fa9e4066Sahrens m -= h * 60; 5555fa9e4066Sahrens h -= d * 24; 5556fa9e4066Sahrens 5557fa9e4066Sahrens timebuf[0] = '\0'; 5558fa9e4066Sahrens 5559fa9e4066Sahrens if (d) 5560fa9e4066Sahrens (void) sprintf(timebuf, 5561fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 5562fa9e4066Sahrens else if (h) 5563fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 5564fa9e4066Sahrens else if (m) 5565fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 5566fa9e4066Sahrens else 5567fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 5568fa9e4066Sahrens } 5569fa9e4066Sahrens 55701195e687SMark J Musante static nvlist_t * 55711195e687SMark J Musante make_random_props() 55721195e687SMark J Musante { 55731195e687SMark J Musante nvlist_t *props; 55741195e687SMark J Musante 55751195e687SMark J Musante if (ztest_random(2) == 0) 55761195e687SMark J Musante return (NULL); 55771195e687SMark J Musante 55781195e687SMark J Musante VERIFY(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0); 55791195e687SMark J Musante VERIFY(nvlist_add_uint64(props, "autoreplace", 1) == 0); 55801195e687SMark J Musante 55811195e687SMark J Musante return (props); 55821195e687SMark J Musante } 55831195e687SMark J Musante 5584fa9e4066Sahrens /* 5585fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 5586b24ab676SJeff Bonwick * Then test spa_freeze() functionality. 5587fa9e4066Sahrens */ 5588fa9e4066Sahrens static void 5589b24ab676SJeff Bonwick ztest_init(ztest_shared_t *zs) 5590fa9e4066Sahrens { 5591fa9e4066Sahrens spa_t *spa; 55921195e687SMark J Musante nvlist_t *nvroot, *props; 5593fa9e4066Sahrens 5594*420dfc95SChris Siden VERIFY(_mutex_init(&ztest_vdev_lock, USYNC_THREAD, NULL) == 0); 5595*420dfc95SChris Siden VERIFY(rwlock_init(&ztest_name_lock, USYNC_THREAD, NULL) == 0); 5596b24ab676SJeff Bonwick 5597fa9e4066Sahrens kernel_init(FREAD | FWRITE); 5598fa9e4066Sahrens 5599fa9e4066Sahrens /* 5600fa9e4066Sahrens * Create the storage pool. 5601fa9e4066Sahrens */ 5602*420dfc95SChris Siden (void) spa_destroy(ztest_opts.zo_pool); 560388ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = 0; 56041195e687SMark J Musante zs->zs_splits = 0; 5605*420dfc95SChris Siden zs->zs_mirrors = ztest_opts.zo_mirrors; 5606*420dfc95SChris Siden nvroot = make_vdev_root(NULL, NULL, ztest_opts.zo_vdev_size, 0, 5607*420dfc95SChris Siden 0, ztest_opts.zo_raidz, zs->zs_mirrors, 1); 56081195e687SMark J Musante props = make_random_props(); 5609*420dfc95SChris Siden VERIFY3U(0, ==, spa_create(ztest_opts.zo_pool, nvroot, props, 5610*420dfc95SChris Siden NULL, NULL)); 5611fa9e4066Sahrens nvlist_free(nvroot); 5612fa9e4066Sahrens 5613*420dfc95SChris Siden VERIFY3U(0, ==, spa_open(ztest_opts.zo_pool, &spa, FTAG)); 5614*420dfc95SChris Siden zs->zs_metaslab_sz = 5615*420dfc95SChris Siden 1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift; 5616fa9e4066Sahrens spa_close(spa, FTAG); 5617fa9e4066Sahrens 5618fa9e4066Sahrens kernel_fini(); 5619b24ab676SJeff Bonwick 5620*420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5621*420dfc95SChris Siden 5622*420dfc95SChris Siden ztest_freeze(); 5623*420dfc95SChris Siden 5624*420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5625*420dfc95SChris Siden 5626*420dfc95SChris Siden (void) rwlock_destroy(&ztest_name_lock); 5627*420dfc95SChris Siden (void) _mutex_destroy(&ztest_vdev_lock); 5628*420dfc95SChris Siden } 5629*420dfc95SChris Siden 5630*420dfc95SChris Siden static void 5631*420dfc95SChris Siden setup_fds(void) 5632*420dfc95SChris Siden { 5633*420dfc95SChris Siden int fd; 5634*420dfc95SChris Siden 5635*420dfc95SChris Siden char *tmp = tempnam(NULL, NULL); 5636*420dfc95SChris Siden fd = open(tmp, O_RDWR | O_CREAT, 0700); 5637*420dfc95SChris Siden ASSERT3U(fd, ==, ZTEST_FD_DATA); 5638*420dfc95SChris Siden (void) unlink(tmp); 5639*420dfc95SChris Siden free(tmp); 5640*420dfc95SChris Siden 5641*420dfc95SChris Siden fd = open("/dev/urandom", O_RDONLY); 5642*420dfc95SChris Siden ASSERT3U(fd, ==, ZTEST_FD_RAND); 5643*420dfc95SChris Siden } 5644*420dfc95SChris Siden 5645*420dfc95SChris Siden static void 5646*420dfc95SChris Siden setup_hdr(void) 5647*420dfc95SChris Siden { 5648*420dfc95SChris Siden ztest_shared_hdr_t *hdr; 5649*420dfc95SChris Siden 5650*420dfc95SChris Siden hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()), 5651*420dfc95SChris Siden PROT_READ | PROT_WRITE, MAP_SHARED, ZTEST_FD_DATA, 0); 5652*420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5653*420dfc95SChris Siden 5654*420dfc95SChris Siden hdr->zh_hdr_size = sizeof (ztest_shared_hdr_t); 5655*420dfc95SChris Siden hdr->zh_opts_size = sizeof (ztest_shared_opts_t); 5656*420dfc95SChris Siden hdr->zh_size = sizeof (ztest_shared_t); 5657*420dfc95SChris Siden hdr->zh_stats_size = sizeof (ztest_shared_callstate_t); 5658*420dfc95SChris Siden hdr->zh_stats_count = ZTEST_FUNCS; 5659*420dfc95SChris Siden hdr->zh_ds_size = sizeof (ztest_shared_ds_t); 5660*420dfc95SChris Siden hdr->zh_ds_count = ztest_opts.zo_datasets; 5661*420dfc95SChris Siden 5662*420dfc95SChris Siden (void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize())); 5663*420dfc95SChris Siden } 5664*420dfc95SChris Siden 5665*420dfc95SChris Siden static void 5666*420dfc95SChris Siden setup_data(void) 5667*420dfc95SChris Siden { 5668*420dfc95SChris Siden int size, offset; 5669*420dfc95SChris Siden ztest_shared_hdr_t *hdr; 5670*420dfc95SChris Siden uint8_t *buf; 5671*420dfc95SChris Siden 5672*420dfc95SChris Siden hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()), 5673*420dfc95SChris Siden PROT_READ, MAP_SHARED, ZTEST_FD_DATA, 0); 5674*420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5675*420dfc95SChris Siden 5676*420dfc95SChris Siden size = hdr->zh_hdr_size; 5677*420dfc95SChris Siden size += hdr->zh_opts_size; 5678*420dfc95SChris Siden size += hdr->zh_size; 5679*420dfc95SChris Siden size += hdr->zh_stats_size * hdr->zh_stats_count; 5680*420dfc95SChris Siden size += hdr->zh_ds_size * hdr->zh_ds_count; 5681*420dfc95SChris Siden 5682*420dfc95SChris Siden (void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize())); 5683*420dfc95SChris Siden hdr = ztest_shared_hdr = (void *)mmap(0, P2ROUNDUP(size, getpagesize()), 5684*420dfc95SChris Siden PROT_READ | PROT_WRITE, MAP_SHARED, ZTEST_FD_DATA, 0); 5685*420dfc95SChris Siden ASSERT(hdr != MAP_FAILED); 5686*420dfc95SChris Siden buf = (uint8_t *)hdr; 5687*420dfc95SChris Siden 5688*420dfc95SChris Siden offset = hdr->zh_hdr_size; 5689*420dfc95SChris Siden ztest_shared_opts = (void *)&buf[offset]; 5690*420dfc95SChris Siden offset += hdr->zh_opts_size; 5691*420dfc95SChris Siden ztest_shared = (void *)&buf[offset]; 5692*420dfc95SChris Siden offset += hdr->zh_size; 5693*420dfc95SChris Siden ztest_shared_callstate = (void *)&buf[offset]; 5694*420dfc95SChris Siden offset += hdr->zh_stats_size * hdr->zh_stats_count; 5695*420dfc95SChris Siden ztest_shared_ds = (void *)&buf[offset]; 5696*420dfc95SChris Siden } 5697*420dfc95SChris Siden 5698*420dfc95SChris Siden static boolean_t 5699*420dfc95SChris Siden exec_child(char *cmd, char *libpath, boolean_t ignorekill, int *statusp) 5700*420dfc95SChris Siden { 5701*420dfc95SChris Siden pid_t pid; 5702*420dfc95SChris Siden int status; 5703*420dfc95SChris Siden char cmdbuf[MAXPATHLEN]; 5704*420dfc95SChris Siden 5705*420dfc95SChris Siden pid = fork(); 5706*420dfc95SChris Siden 5707*420dfc95SChris Siden if (cmd == NULL) { 5708*420dfc95SChris Siden (void) strlcpy(cmdbuf, getexecname(), sizeof (cmdbuf)); 5709*420dfc95SChris Siden cmd = cmdbuf; 5710*420dfc95SChris Siden } 5711b24ab676SJeff Bonwick 5712*420dfc95SChris Siden if (pid == -1) 5713*420dfc95SChris Siden fatal(1, "fork failed"); 5714b24ab676SJeff Bonwick 5715*420dfc95SChris Siden if (pid == 0) { /* child */ 5716*420dfc95SChris Siden char *emptyargv[2] = { cmd, NULL }; 571726cb54a9SGeorge Wilson 5718*420dfc95SChris Siden struct rlimit rl = { 1024, 1024 }; 5719*420dfc95SChris Siden (void) setrlimit(RLIMIT_NOFILE, &rl); 5720*420dfc95SChris Siden (void) enable_extended_FILE_stdio(-1, -1); 5721*420dfc95SChris Siden if (libpath != NULL) 5722*420dfc95SChris Siden VERIFY(0 == setenv("LD_LIBRARY_PATH", libpath, 1)); 5723*420dfc95SChris Siden (void) execv(cmd, emptyargv); 5724*420dfc95SChris Siden ztest_dump_core = B_FALSE; 5725*420dfc95SChris Siden fatal(B_TRUE, "exec failed: %s", cmd); 5726*420dfc95SChris Siden } 5727*420dfc95SChris Siden 5728*420dfc95SChris Siden while (waitpid(pid, &status, 0) != pid) 5729*420dfc95SChris Siden continue; 5730*420dfc95SChris Siden if (statusp != NULL) 5731*420dfc95SChris Siden *statusp = status; 5732*420dfc95SChris Siden 5733*420dfc95SChris Siden if (WIFEXITED(status)) { 5734*420dfc95SChris Siden if (WEXITSTATUS(status) != 0) { 5735*420dfc95SChris Siden (void) fprintf(stderr, "child exited with code %d\n", 5736*420dfc95SChris Siden WEXITSTATUS(status)); 5737*420dfc95SChris Siden exit(2); 5738*420dfc95SChris Siden } 5739*420dfc95SChris Siden return (B_FALSE); 5740*420dfc95SChris Siden } else if (WIFSIGNALED(status)) { 5741*420dfc95SChris Siden if (!ignorekill || WTERMSIG(status) != SIGKILL) { 5742*420dfc95SChris Siden (void) fprintf(stderr, "child died with signal %d\n", 5743*420dfc95SChris Siden WTERMSIG(status)); 5744*420dfc95SChris Siden exit(3); 5745*420dfc95SChris Siden } 5746*420dfc95SChris Siden return (B_TRUE); 5747*420dfc95SChris Siden } else { 5748*420dfc95SChris Siden (void) fprintf(stderr, "something strange happened to child\n"); 5749*420dfc95SChris Siden exit(4); 5750*420dfc95SChris Siden /* NOTREACHED */ 5751*420dfc95SChris Siden } 5752*420dfc95SChris Siden } 5753*420dfc95SChris Siden 5754*420dfc95SChris Siden static void 5755*420dfc95SChris Siden ztest_run_init(void) 5756*420dfc95SChris Siden { 5757*420dfc95SChris Siden ztest_shared_t *zs = ztest_shared; 5758*420dfc95SChris Siden 5759*420dfc95SChris Siden ASSERT(ztest_opts.zo_init != 0); 5760*420dfc95SChris Siden 5761*420dfc95SChris Siden /* 5762*420dfc95SChris Siden * Blow away any existing copy of zpool.cache 5763*420dfc95SChris Siden */ 5764*420dfc95SChris Siden (void) remove(spa_config_path); 5765*420dfc95SChris Siden 5766*420dfc95SChris Siden /* 5767*420dfc95SChris Siden * Create and initialize our storage pool. 5768*420dfc95SChris Siden */ 5769*420dfc95SChris Siden for (int i = 1; i <= ztest_opts.zo_init; i++) { 5770*420dfc95SChris Siden bzero(zs, sizeof (ztest_shared_t)); 5771*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 3 && 5772*420dfc95SChris Siden ztest_opts.zo_init != 1) { 5773*420dfc95SChris Siden (void) printf("ztest_init(), pass %d\n", i); 5774*420dfc95SChris Siden } 5775*420dfc95SChris Siden ztest_init(zs); 5776*420dfc95SChris Siden } 5777fa9e4066Sahrens } 5778fa9e4066Sahrens 5779fa9e4066Sahrens int 5780fa9e4066Sahrens main(int argc, char **argv) 5781fa9e4066Sahrens { 5782fa9e4066Sahrens int kills = 0; 5783fa9e4066Sahrens int iters = 0; 5784*420dfc95SChris Siden int older = 0; 5785*420dfc95SChris Siden int newer = 0; 5786fa9e4066Sahrens ztest_shared_t *zs; 5787fa9e4066Sahrens ztest_info_t *zi; 5788*420dfc95SChris Siden ztest_shared_callstate_t *zc; 5789fa9e4066Sahrens char timebuf[100]; 5790fa9e4066Sahrens char numbuf[6]; 5791b24ab676SJeff Bonwick spa_t *spa; 5792*420dfc95SChris Siden char cmd[MAXNAMELEN]; 5793*420dfc95SChris Siden boolean_t hasalt; 5794*420dfc95SChris Siden 5795*420dfc95SChris Siden boolean_t ischild = (0 == lseek(ZTEST_FD_DATA, 0, SEEK_CUR)); 5796*420dfc95SChris Siden ASSERT(ischild || errno == EBADF); 5797fa9e4066Sahrens 5798fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 5799fa9e4066Sahrens 5800*420dfc95SChris Siden if (!ischild) { 5801*420dfc95SChris Siden process_options(argc, argv); 5802fa9e4066Sahrens 5803*420dfc95SChris Siden setup_fds(); 5804*420dfc95SChris Siden setup_hdr(); 5805*420dfc95SChris Siden setup_data(); 5806*420dfc95SChris Siden bcopy(&ztest_opts, ztest_shared_opts, 5807*420dfc95SChris Siden sizeof (*ztest_shared_opts)); 5808*420dfc95SChris Siden } else { 5809*420dfc95SChris Siden setup_data(); 5810*420dfc95SChris Siden bcopy(ztest_shared_opts, &ztest_opts, sizeof (ztest_opts)); 5811*420dfc95SChris Siden } 5812*420dfc95SChris Siden ASSERT3U(ztest_opts.zo_datasets, ==, ztest_shared_hdr->zh_ds_count); 5813fa9e4066Sahrens 5814f0ba89beSJeff Bonwick /* Override location of zpool.cache */ 5815*420dfc95SChris Siden (void) asprintf((char **)&spa_config_path, "%s/zpool.cache", 5816*420dfc95SChris Siden ztest_opts.zo_dir); 5817f0ba89beSJeff Bonwick 5818*420dfc95SChris Siden ztest_ds = umem_alloc(ztest_opts.zo_datasets * sizeof (ztest_ds_t), 5819*420dfc95SChris Siden UMEM_NOFAIL); 5820*420dfc95SChris Siden zs = ztest_shared; 5821ea8dc4b6Seschrock 5822*420dfc95SChris Siden if (ischild) { 5823*420dfc95SChris Siden metaslab_gang_bang = ztest_opts.zo_metaslab_gang_bang; 5824*420dfc95SChris Siden metaslab_df_alloc_threshold = 5825*420dfc95SChris Siden zs->zs_metaslab_df_alloc_threshold; 5826b24ab676SJeff Bonwick 5827*420dfc95SChris Siden if (zs->zs_do_init) 5828*420dfc95SChris Siden ztest_run_init(); 5829*420dfc95SChris Siden else 5830*420dfc95SChris Siden ztest_run(zs); 5831*420dfc95SChris Siden exit(0); 5832*420dfc95SChris Siden } 5833fa9e4066Sahrens 5834*420dfc95SChris Siden hasalt = (strlen(ztest_opts.zo_alt_ztest) != 0); 5835*420dfc95SChris Siden 5836*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 5837fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 5838fa9e4066Sahrens " %llu seconds...\n", 5839*420dfc95SChris Siden (u_longlong_t)ztest_opts.zo_vdevs, 5840*420dfc95SChris Siden ztest_opts.zo_datasets, 5841*420dfc95SChris Siden ztest_opts.zo_threads, 5842*420dfc95SChris Siden (u_longlong_t)ztest_opts.zo_time); 5843fa9e4066Sahrens } 5844fa9e4066Sahrens 5845*420dfc95SChris Siden (void) strlcpy(cmd, getexecname(), sizeof (cmd)); 5846*420dfc95SChris Siden 5847*420dfc95SChris Siden zs->zs_do_init = B_TRUE; 5848*420dfc95SChris Siden if (strlen(ztest_opts.zo_alt_ztest) != 0) { 5849*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 5850*420dfc95SChris Siden (void) printf("Executing older ztest for " 5851*420dfc95SChris Siden "initialization: %s\n", ztest_opts.zo_alt_ztest); 5852*420dfc95SChris Siden } 5853*420dfc95SChris Siden VERIFY(!exec_child(ztest_opts.zo_alt_ztest, 5854*420dfc95SChris Siden ztest_opts.zo_alt_libpath, B_FALSE, NULL)); 5855*420dfc95SChris Siden } else { 5856*420dfc95SChris Siden VERIFY(!exec_child(NULL, NULL, B_FALSE, NULL)); 5857fa9e4066Sahrens } 5858*420dfc95SChris Siden zs->zs_do_init = B_FALSE; 5859fa9e4066Sahrens 5860b24ab676SJeff Bonwick zs->zs_proc_start = gethrtime(); 5861*420dfc95SChris Siden zs->zs_proc_stop = zs->zs_proc_start + ztest_opts.zo_time * NANOSEC; 5862fa9e4066Sahrens 5863b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5864*420dfc95SChris Siden zi = &ztest_info[f]; 5865*420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 5866b24ab676SJeff Bonwick if (zs->zs_proc_start + zi->zi_interval[0] > zs->zs_proc_stop) 5867*420dfc95SChris Siden zc->zc_next = UINT64_MAX; 5868fa9e4066Sahrens else 5869*420dfc95SChris Siden zc->zc_next = zs->zs_proc_start + 5870b24ab676SJeff Bonwick ztest_random(2 * zi->zi_interval[0] + 1); 5871fa9e4066Sahrens } 5872fa9e4066Sahrens 5873fa9e4066Sahrens /* 5874fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 5875fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 5876fa9e4066Sahrens * to verify that we never lose on-disk consistency. 5877fa9e4066Sahrens */ 5878b24ab676SJeff Bonwick while (gethrtime() < zs->zs_proc_stop) { 5879fa9e4066Sahrens int status; 5880*420dfc95SChris Siden boolean_t killed; 5881fa9e4066Sahrens 5882fa9e4066Sahrens /* 5883fa9e4066Sahrens * Initialize the workload counters for each function. 5884fa9e4066Sahrens */ 5885b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5886*420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 5887*420dfc95SChris Siden zc->zc_count = 0; 5888*420dfc95SChris Siden zc->zc_time = 0; 5889fa9e4066Sahrens } 5890fa9e4066Sahrens 5891d6e555bdSGeorge Wilson /* Set the allocation switch size */ 5892*420dfc95SChris Siden zs->zs_metaslab_df_alloc_threshold = 5893*420dfc95SChris Siden ztest_random(zs->zs_metaslab_sz / 4) + 1; 5894fa9e4066Sahrens 5895*420dfc95SChris Siden if (!hasalt || ztest_random(2) == 0) { 5896*420dfc95SChris Siden if (hasalt && ztest_opts.zo_verbose >= 1) { 5897*420dfc95SChris Siden (void) printf("Executing newer ztest: %s\n", 5898*420dfc95SChris Siden cmd); 5899fa9e4066Sahrens } 5900*420dfc95SChris Siden newer++; 5901*420dfc95SChris Siden killed = exec_child(cmd, NULL, B_TRUE, &status); 59025ad82045Snd } else { 5903*420dfc95SChris Siden if (hasalt && ztest_opts.zo_verbose >= 1) { 5904*420dfc95SChris Siden (void) printf("Executing older ztest: %s\n", 5905*420dfc95SChris Siden ztest_opts.zo_alt_ztest); 5906*420dfc95SChris Siden } 5907*420dfc95SChris Siden older++; 5908*420dfc95SChris Siden killed = exec_child(ztest_opts.zo_alt_ztest, 5909*420dfc95SChris Siden ztest_opts.zo_alt_libpath, B_TRUE, &status); 5910fa9e4066Sahrens } 5911fa9e4066Sahrens 5912*420dfc95SChris Siden if (killed) 5913*420dfc95SChris Siden kills++; 5914fa9e4066Sahrens iters++; 5915fa9e4066Sahrens 5916*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 5917fa9e4066Sahrens hrtime_t now = gethrtime(); 5918fa9e4066Sahrens 5919b24ab676SJeff Bonwick now = MIN(now, zs->zs_proc_stop); 5920b24ab676SJeff Bonwick print_time(zs->zs_proc_stop - now, timebuf); 5921fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 5922fa9e4066Sahrens 5923fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 5924fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 5925fa9e4066Sahrens iters, 5926fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 5927fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 5928fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 5929fa9e4066Sahrens numbuf, 5930b24ab676SJeff Bonwick 100.0 * (now - zs->zs_proc_start) / 5931*420dfc95SChris Siden (ztest_opts.zo_time * NANOSEC), timebuf); 5932fa9e4066Sahrens } 5933fa9e4066Sahrens 5934*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 2) { 5935fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 5936fa9e4066Sahrens (void) printf("%7s %9s %s\n", 5937fa9e4066Sahrens "Calls", "Time", "Function"); 5938fa9e4066Sahrens (void) printf("%7s %9s %s\n", 5939fa9e4066Sahrens "-----", "----", "--------"); 5940b24ab676SJeff Bonwick for (int f = 0; f < ZTEST_FUNCS; f++) { 5941fa9e4066Sahrens Dl_info dli; 5942fa9e4066Sahrens 5943*420dfc95SChris Siden zi = &ztest_info[f]; 5944*420dfc95SChris Siden zc = ZTEST_GET_SHARED_CALLSTATE(f); 5945*420dfc95SChris Siden print_time(zc->zc_time, timebuf); 5946fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 5947fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 5948*420dfc95SChris Siden (u_longlong_t)zc->zc_count, timebuf, 5949fa9e4066Sahrens dli.dli_sname); 5950fa9e4066Sahrens } 5951fa9e4066Sahrens (void) printf("\n"); 5952fa9e4066Sahrens } 5953fa9e4066Sahrens 5954fa9e4066Sahrens /* 5955b24ab676SJeff Bonwick * It's possible that we killed a child during a rename test, 5956b24ab676SJeff Bonwick * in which case we'll have a 'ztest_tmp' pool lying around 5957b24ab676SJeff Bonwick * instead of 'ztest'. Do a blind rename in case this happened. 5958fa9e4066Sahrens */ 5959b24ab676SJeff Bonwick kernel_init(FREAD); 5960*420dfc95SChris Siden if (spa_open(ztest_opts.zo_pool, &spa, FTAG) == 0) { 5961b24ab676SJeff Bonwick spa_close(spa, FTAG); 5962b24ab676SJeff Bonwick } else { 5963b24ab676SJeff Bonwick char tmpname[MAXNAMELEN]; 5964b24ab676SJeff Bonwick kernel_fini(); 5965b24ab676SJeff Bonwick kernel_init(FREAD | FWRITE); 5966b24ab676SJeff Bonwick (void) snprintf(tmpname, sizeof (tmpname), "%s_tmp", 5967*420dfc95SChris Siden ztest_opts.zo_pool); 5968*420dfc95SChris Siden (void) spa_rename(tmpname, ztest_opts.zo_pool); 5969b24ab676SJeff Bonwick } 5970fa9e4066Sahrens kernel_fini(); 5971fa9e4066Sahrens 5972*420dfc95SChris Siden ztest_run_zdb(ztest_opts.zo_pool); 5973b24ab676SJeff Bonwick } 5974fa9e4066Sahrens 5975*420dfc95SChris Siden if (ztest_opts.zo_verbose >= 1) { 5976*420dfc95SChris Siden if (hasalt) { 5977*420dfc95SChris Siden (void) printf("%d runs of older ztest: %s\n", older, 5978*420dfc95SChris Siden ztest_opts.zo_alt_ztest); 5979*420dfc95SChris Siden (void) printf("%d runs of newer ztest: %s\n", newer, 5980*420dfc95SChris Siden cmd); 5981*420dfc95SChris Siden } 5982fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 5983fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 5984fa9e4066Sahrens } 5985fa9e4066Sahrens 5986fa9e4066Sahrens return (0); 5987fa9e4066Sahrens } 5988