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 /* 224f5064b7SMark J Musante * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens /* 27fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 28fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 29fa9e4066Sahrens * 30fa9e4066Sahrens * The overall design of the ztest program is as follows: 31fa9e4066Sahrens * 32fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 33fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 34fa9e4066Sahrens * we have a simple routine to test that functionality. These 35fa9e4066Sahrens * individual routines do not have to do anything "stressful". 36fa9e4066Sahrens * 37fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 38fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 39fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 40fa9e4066Sahrens * 41fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 42fa9e4066Sahrens * verify that self-healing data really works. 43fa9e4066Sahrens * 44fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 45fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 46fa9e4066Sahrens * in which checksum they use and whether they're compressed. 47fa9e4066Sahrens * 48fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 49fa9e4066Sahrens * we run the entire test in a child of the main process. 50fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 51fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 52fa9e4066Sahrens * The parent then runs the test again, using the existing 53fa9e4066Sahrens * storage pool, as many times as desired. 54fa9e4066Sahrens * 55fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 56fa9e4066Sahrens * many of the functional tests record the transaction group number 57fa9e4066Sahrens * as part of their data. When reading old data, they verify that 58fa9e4066Sahrens * the transaction group number is less than the current, open txg. 59fa9e4066Sahrens * If you add a new test, please do this if applicable. 60fa9e4066Sahrens * 61fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 62fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 63fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 64fa9e4066Sahrens * 65fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 66fa9e4066Sahrens * 67fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 68fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 69fa9e4066Sahrens * 70fa9e4066Sahrens * The -N(okill) option will suppress kills, so each child runs to completion. 71fa9e4066Sahrens * This can be useful when you're trying to distinguish temporal incursions 72fa9e4066Sahrens * from plain old race conditions. 73fa9e4066Sahrens */ 74fa9e4066Sahrens 75fa9e4066Sahrens #include <sys/zfs_context.h> 76fa9e4066Sahrens #include <sys/spa.h> 77fa9e4066Sahrens #include <sys/dmu.h> 78fa9e4066Sahrens #include <sys/txg.h> 792fdbea25SAleksandr Guzovskiy #include <sys/dbuf.h> 80fa9e4066Sahrens #include <sys/zap.h> 81fa9e4066Sahrens #include <sys/dmu_objset.h> 82fa9e4066Sahrens #include <sys/poll.h> 83fa9e4066Sahrens #include <sys/stat.h> 84fa9e4066Sahrens #include <sys/time.h> 85fa9e4066Sahrens #include <sys/wait.h> 86fa9e4066Sahrens #include <sys/mman.h> 87fa9e4066Sahrens #include <sys/resource.h> 88fa9e4066Sahrens #include <sys/zio.h> 89fa9e4066Sahrens #include <sys/zio_checksum.h> 90fa9e4066Sahrens #include <sys/zio_compress.h> 91fa9e4066Sahrens #include <sys/zil.h> 92fa9e4066Sahrens #include <sys/vdev_impl.h> 93e14bb325SJeff Bonwick #include <sys/vdev_file.h> 94fa9e4066Sahrens #include <sys/spa_impl.h> 9588ecc943SGeorge Wilson #include <sys/metaslab_impl.h> 96fa9e4066Sahrens #include <sys/dsl_prop.h> 974f5064b7SMark J Musante #include <sys/dsl_dataset.h> 98fa9e4066Sahrens #include <sys/refcount.h> 99fa9e4066Sahrens #include <stdio.h> 100004388ebScasper #include <stdio_ext.h> 101fa9e4066Sahrens #include <stdlib.h> 102fa9e4066Sahrens #include <unistd.h> 103fa9e4066Sahrens #include <signal.h> 104fa9e4066Sahrens #include <umem.h> 105fa9e4066Sahrens #include <dlfcn.h> 106fa9e4066Sahrens #include <ctype.h> 107fa9e4066Sahrens #include <math.h> 108fa9e4066Sahrens #include <sys/fs/zfs.h> 109fa9e4066Sahrens 110fa9e4066Sahrens static char cmdname[] = "ztest"; 111fa9e4066Sahrens static char *zopt_pool = cmdname; 112fa9e4066Sahrens 113fa9e4066Sahrens static uint64_t zopt_vdevs = 5; 114fa9e4066Sahrens static uint64_t zopt_vdevtime; 115ecc2d604Sbonwick static int zopt_ashift = SPA_MINBLOCKSHIFT; 116fa9e4066Sahrens static int zopt_mirrors = 2; 117fa9e4066Sahrens static int zopt_raidz = 4; 11899653d4eSeschrock static int zopt_raidz_parity = 1; 119fa9e4066Sahrens static size_t zopt_vdev_size = SPA_MINDEVSIZE; 120ecc2d604Sbonwick static int zopt_datasets = 7; 121fa9e4066Sahrens static int zopt_threads = 23; 122fa9e4066Sahrens static uint64_t zopt_passtime = 60; /* 60 seconds */ 123fa9e4066Sahrens static uint64_t zopt_killrate = 70; /* 70% kill rate */ 124fa9e4066Sahrens static int zopt_verbose = 0; 125fa9e4066Sahrens static int zopt_init = 1; 126fa9e4066Sahrens static char *zopt_dir = "/tmp"; 127fa9e4066Sahrens static uint64_t zopt_time = 300; /* 5 minutes */ 128fa9e4066Sahrens static int zopt_maxfaults; 129fa9e4066Sahrens 130e05725b1Sbonwick typedef struct ztest_block_tag { 131e05725b1Sbonwick uint64_t bt_objset; 132e05725b1Sbonwick uint64_t bt_object; 133e05725b1Sbonwick uint64_t bt_offset; 134e05725b1Sbonwick uint64_t bt_txg; 135e05725b1Sbonwick uint64_t bt_thread; 136e05725b1Sbonwick uint64_t bt_seq; 137e05725b1Sbonwick } ztest_block_tag_t; 138e05725b1Sbonwick 139fa9e4066Sahrens typedef struct ztest_args { 140e05725b1Sbonwick char za_pool[MAXNAMELEN]; 141e05725b1Sbonwick spa_t *za_spa; 142fa9e4066Sahrens objset_t *za_os; 143fa9e4066Sahrens zilog_t *za_zilog; 144fa9e4066Sahrens thread_t za_thread; 145fa9e4066Sahrens uint64_t za_instance; 146fa9e4066Sahrens uint64_t za_random; 147fa9e4066Sahrens uint64_t za_diroff; 148fa9e4066Sahrens uint64_t za_diroff_shared; 149ea8dc4b6Seschrock uint64_t za_zil_seq; 150fa9e4066Sahrens hrtime_t za_start; 151fa9e4066Sahrens hrtime_t za_stop; 152fa9e4066Sahrens hrtime_t za_kill; 153e05725b1Sbonwick /* 154e05725b1Sbonwick * Thread-local variables can go here to aid debugging. 155e05725b1Sbonwick */ 156e05725b1Sbonwick ztest_block_tag_t za_rbt; 157e05725b1Sbonwick ztest_block_tag_t za_wbt; 158e05725b1Sbonwick dmu_object_info_t za_doi; 159e05725b1Sbonwick dmu_buf_t *za_dbuf; 160fa9e4066Sahrens } ztest_args_t; 161fa9e4066Sahrens 162fa9e4066Sahrens typedef void ztest_func_t(ztest_args_t *); 163fa9e4066Sahrens 164fa9e4066Sahrens /* 165fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 166fa9e4066Sahrens */ 167fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 1682fdbea25SAleksandr Guzovskiy ztest_func_t ztest_dmu_read_write_zcopy; 169fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 170fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 171*d20e665cSRicardo M. Correia ztest_func_t ztest_dmu_commit_callbacks; 172fa9e4066Sahrens ztest_func_t ztest_zap; 17312a2833aSSanjeev Bagewadi ztest_func_t ztest_fzap; 174fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 175fa9e4066Sahrens ztest_func_t ztest_traverse; 176fa9e4066Sahrens ztest_func_t ztest_dsl_prop_get_set; 177fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 178fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 1794f5064b7SMark J Musante ztest_func_t ztest_dsl_dataset_promote_busy; 180fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 181fa9e4066Sahrens ztest_func_t ztest_fault_inject; 182e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 183fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 184fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 185fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 186e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 187fa9e4066Sahrens ztest_func_t ztest_scrub; 188fa9e4066Sahrens 189fa9e4066Sahrens typedef struct ztest_info { 190fa9e4066Sahrens ztest_func_t *zi_func; /* test function */ 191e05725b1Sbonwick uint64_t zi_iters; /* iterations per execution */ 192fa9e4066Sahrens uint64_t *zi_interval; /* execute every <interval> seconds */ 193fa9e4066Sahrens uint64_t zi_calls; /* per-pass count */ 194fa9e4066Sahrens uint64_t zi_call_time; /* per-pass time */ 195fa9e4066Sahrens uint64_t zi_call_total; /* cumulative total */ 196fa9e4066Sahrens uint64_t zi_call_target; /* target cumulative total */ 197fa9e4066Sahrens } ztest_info_t; 198fa9e4066Sahrens 199fa9e4066Sahrens uint64_t zopt_always = 0; /* all the time */ 200fa9e4066Sahrens uint64_t zopt_often = 1; /* every second */ 201fa9e4066Sahrens uint64_t zopt_sometimes = 10; /* every 10 seconds */ 202fa9e4066Sahrens uint64_t zopt_rarely = 60; /* every 60 seconds */ 203fa9e4066Sahrens 204fa9e4066Sahrens ztest_info_t ztest_info[] = { 205e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 2062fdbea25SAleksandr Guzovskiy { ztest_dmu_read_write_zcopy, 1, &zopt_always }, 207e05725b1Sbonwick { ztest_dmu_write_parallel, 30, &zopt_always }, 208e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 209*d20e665cSRicardo M. Correia { ztest_dmu_commit_callbacks, 10, &zopt_always }, 210e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 21112a2833aSSanjeev Bagewadi { ztest_fzap, 30, &zopt_always }, 212e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 213e05725b1Sbonwick { ztest_dsl_prop_get_set, 1, &zopt_sometimes }, 214088f3894Sahrens { ztest_dmu_objset_create_destroy, 1, &zopt_sometimes }, 215e14bb325SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 216088f3894Sahrens { ztest_spa_create_destroy, 1, &zopt_sometimes }, 217e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 218e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 219e14bb325SJeff Bonwick { ztest_vdev_attach_detach, 1, &zopt_rarely }, 220e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 221b2d22b66SGeorge Wilson { ztest_dsl_dataset_promote_busy, 1, &zopt_rarely }, 222e14bb325SJeff Bonwick { ztest_vdev_add_remove, 1, &zopt_vdevtime }, 223e14bb325SJeff Bonwick { ztest_vdev_aux_add_remove, 1, &zopt_vdevtime }, 224e05725b1Sbonwick { ztest_scrub, 1, &zopt_vdevtime }, 225fa9e4066Sahrens }; 226fa9e4066Sahrens 227fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 228fa9e4066Sahrens 229fa9e4066Sahrens #define ZTEST_SYNC_LOCKS 16 230fa9e4066Sahrens 231*d20e665cSRicardo M. Correia /* 232*d20e665cSRicardo M. Correia * The following struct is used to hold a list of uncalled commit callbacks. 233*d20e665cSRicardo M. Correia * 234*d20e665cSRicardo M. Correia * The callbacks are ordered by txg number. 235*d20e665cSRicardo M. Correia */ 236*d20e665cSRicardo M. Correia typedef struct ztest_cb_list { 237*d20e665cSRicardo M. Correia mutex_t zcl_callbacks_lock; 238*d20e665cSRicardo M. Correia list_t zcl_callbacks; 239*d20e665cSRicardo M. Correia } ztest_cb_list_t; 240*d20e665cSRicardo M. Correia 241fa9e4066Sahrens /* 242fa9e4066Sahrens * Stuff we need to share writably between parent and child. 243fa9e4066Sahrens */ 244fa9e4066Sahrens typedef struct ztest_shared { 245fa9e4066Sahrens mutex_t zs_vdev_lock; 246fa9e4066Sahrens rwlock_t zs_name_lock; 24788ecc943SGeorge Wilson uint64_t zs_vdev_next_leaf; 248e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 249fa9e4066Sahrens uint64_t zs_enospc_count; 250fa9e4066Sahrens hrtime_t zs_start_time; 251fa9e4066Sahrens hrtime_t zs_stop_time; 252fa9e4066Sahrens uint64_t zs_alloc; 253fa9e4066Sahrens uint64_t zs_space; 254fa9e4066Sahrens ztest_info_t zs_info[ZTEST_FUNCS]; 255fa9e4066Sahrens mutex_t zs_sync_lock[ZTEST_SYNC_LOCKS]; 256fa9e4066Sahrens uint64_t zs_seq[ZTEST_SYNC_LOCKS]; 257fa9e4066Sahrens } ztest_shared_t; 258fa9e4066Sahrens 259fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 260e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 261fa9e4066Sahrens static ztest_shared_t *ztest_shared; 262fa9e4066Sahrens 263fa9e4066Sahrens static int ztest_random_fd; 264fa9e4066Sahrens static int ztest_dump_core = 1; 265fa9e4066Sahrens 266d6e555bdSGeorge Wilson static uint64_t metaslab_sz; 267e14bb325SJeff Bonwick static boolean_t ztest_exiting; 2680a4e9518Sgw 269*d20e665cSRicardo M. Correia /* Global commit callback list */ 270*d20e665cSRicardo M. Correia static ztest_cb_list_t zcl; 271*d20e665cSRicardo M. Correia 272e05725b1Sbonwick extern uint64_t metaslab_gang_bang; 273d6e555bdSGeorge Wilson extern uint64_t metaslab_df_alloc_threshold; 274fa9e4066Sahrens 275fa9e4066Sahrens #define ZTEST_DIROBJ 1 276fa9e4066Sahrens #define ZTEST_MICROZAP_OBJ 2 277fa9e4066Sahrens #define ZTEST_FATZAP_OBJ 3 278fa9e4066Sahrens 279fa9e4066Sahrens #define ZTEST_DIROBJ_BLOCKSIZE (1 << 10) 280fa9e4066Sahrens #define ZTEST_DIRSIZE 256 281fa9e4066Sahrens 2821ce825d8Sraf static void usage(boolean_t) __NORETURN; 283f1b4288bSvb 284fa9e4066Sahrens /* 285fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 286fa9e4066Sahrens * debugging facilities. 287fa9e4066Sahrens */ 288fa9e4066Sahrens const char * 289fa9e4066Sahrens _umem_debug_init() 290fa9e4066Sahrens { 291fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 292fa9e4066Sahrens } 293fa9e4066Sahrens 294fa9e4066Sahrens const char * 295fa9e4066Sahrens _umem_logging_init(void) 296fa9e4066Sahrens { 297fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 298fa9e4066Sahrens } 299fa9e4066Sahrens 300fa9e4066Sahrens #define FATAL_MSG_SZ 1024 301fa9e4066Sahrens 302fa9e4066Sahrens char *fatal_msg; 303fa9e4066Sahrens 304fa9e4066Sahrens static void 305fa9e4066Sahrens fatal(int do_perror, char *message, ...) 306fa9e4066Sahrens { 307fa9e4066Sahrens va_list args; 308fa9e4066Sahrens int save_errno = errno; 309fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 310fa9e4066Sahrens 311fa9e4066Sahrens (void) fflush(stdout); 312fa9e4066Sahrens 313fa9e4066Sahrens va_start(args, message); 314fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 315fa9e4066Sahrens /* LINTED */ 316fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 317fa9e4066Sahrens va_end(args); 318fa9e4066Sahrens if (do_perror) { 319fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 320fa9e4066Sahrens ": %s", strerror(save_errno)); 321fa9e4066Sahrens } 322fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 323fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 324fa9e4066Sahrens if (ztest_dump_core) 325fa9e4066Sahrens abort(); 326fa9e4066Sahrens exit(3); 327fa9e4066Sahrens } 328fa9e4066Sahrens 329fa9e4066Sahrens static int 330fa9e4066Sahrens str2shift(const char *buf) 331fa9e4066Sahrens { 332fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 333fa9e4066Sahrens int i; 334fa9e4066Sahrens 335fa9e4066Sahrens if (buf[0] == '\0') 336fa9e4066Sahrens return (0); 337fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 338fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 339fa9e4066Sahrens break; 340fa9e4066Sahrens } 341f1b4288bSvb if (i == strlen(ends)) { 342f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 343f1b4288bSvb buf); 344f1b4288bSvb usage(B_FALSE); 345f1b4288bSvb } 346fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 347fa9e4066Sahrens return (10*i); 348fa9e4066Sahrens } 349f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 350f1b4288bSvb usage(B_FALSE); 351f1b4288bSvb /* NOTREACHED */ 352fa9e4066Sahrens } 353fa9e4066Sahrens 354fa9e4066Sahrens static uint64_t 355fa9e4066Sahrens nicenumtoull(const char *buf) 356fa9e4066Sahrens { 357fa9e4066Sahrens char *end; 358fa9e4066Sahrens uint64_t val; 359fa9e4066Sahrens 360fa9e4066Sahrens val = strtoull(buf, &end, 0); 361fa9e4066Sahrens if (end == buf) { 362f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 363f1b4288bSvb usage(B_FALSE); 364fa9e4066Sahrens } else if (end[0] == '.') { 365fa9e4066Sahrens double fval = strtod(buf, &end); 366fa9e4066Sahrens fval *= pow(2, str2shift(end)); 367f1b4288bSvb if (fval > UINT64_MAX) { 368f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 369f1b4288bSvb buf); 370f1b4288bSvb usage(B_FALSE); 371f1b4288bSvb } 372fa9e4066Sahrens val = (uint64_t)fval; 373fa9e4066Sahrens } else { 374fa9e4066Sahrens int shift = str2shift(end); 375f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 376f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 377f1b4288bSvb buf); 378f1b4288bSvb usage(B_FALSE); 379f1b4288bSvb } 380fa9e4066Sahrens val <<= shift; 381fa9e4066Sahrens } 382fa9e4066Sahrens return (val); 383fa9e4066Sahrens } 384fa9e4066Sahrens 385fa9e4066Sahrens static void 386f1b4288bSvb usage(boolean_t requested) 387fa9e4066Sahrens { 388fa9e4066Sahrens char nice_vdev_size[10]; 389fa9e4066Sahrens char nice_gang_bang[10]; 390f1b4288bSvb FILE *fp = requested ? stdout : stderr; 391fa9e4066Sahrens 392fa9e4066Sahrens nicenum(zopt_vdev_size, nice_vdev_size); 393e05725b1Sbonwick nicenum(metaslab_gang_bang, nice_gang_bang); 394fa9e4066Sahrens 395f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 396fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 397fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 398ecc2d604Sbonwick "\t[-a alignment_shift (default: %d) (use 0 for random)]\n" 399fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 400fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 40199653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 402fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 403fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 404fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 405fa9e4066Sahrens "\t[-i initialize pool i times (default: %d)]\n" 406fa9e4066Sahrens "\t[-k kill percentage (default: %llu%%)]\n" 407fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 408fa9e4066Sahrens "\t[-f file directory for vdev files (default: %s)]\n" 409fa9e4066Sahrens "\t[-V(erbose)] (use multiple times for ever more blather)\n" 410ecc2d604Sbonwick "\t[-E(xisting)] (use existing pool instead of creating new one)\n" 411fa9e4066Sahrens "\t[-T time] total run time (default: %llu sec)\n" 412fa9e4066Sahrens "\t[-P passtime] time per pass (default: %llu sec)\n" 413f1b4288bSvb "\t[-h] (print help)\n" 414fa9e4066Sahrens "", 415fa9e4066Sahrens cmdname, 4160a4e9518Sgw (u_longlong_t)zopt_vdevs, /* -v */ 4170a4e9518Sgw nice_vdev_size, /* -s */ 4180a4e9518Sgw zopt_ashift, /* -a */ 4190a4e9518Sgw zopt_mirrors, /* -m */ 4200a4e9518Sgw zopt_raidz, /* -r */ 4210a4e9518Sgw zopt_raidz_parity, /* -R */ 4220a4e9518Sgw zopt_datasets, /* -d */ 4230a4e9518Sgw zopt_threads, /* -t */ 4240a4e9518Sgw nice_gang_bang, /* -g */ 4250a4e9518Sgw zopt_init, /* -i */ 4260a4e9518Sgw (u_longlong_t)zopt_killrate, /* -k */ 4270a4e9518Sgw zopt_pool, /* -p */ 4280a4e9518Sgw zopt_dir, /* -f */ 4290a4e9518Sgw (u_longlong_t)zopt_time, /* -T */ 430e14bb325SJeff Bonwick (u_longlong_t)zopt_passtime); /* -P */ 431f1b4288bSvb exit(requested ? 0 : 1); 432fa9e4066Sahrens } 433fa9e4066Sahrens 434fa9e4066Sahrens static uint64_t 435fa9e4066Sahrens ztest_random(uint64_t range) 436fa9e4066Sahrens { 437fa9e4066Sahrens uint64_t r; 438fa9e4066Sahrens 439fa9e4066Sahrens if (range == 0) 440fa9e4066Sahrens return (0); 441fa9e4066Sahrens 442fa9e4066Sahrens if (read(ztest_random_fd, &r, sizeof (r)) != sizeof (r)) 443fa9e4066Sahrens fatal(1, "short read from /dev/urandom"); 444fa9e4066Sahrens 445fa9e4066Sahrens return (r % range); 446fa9e4066Sahrens } 447fa9e4066Sahrens 4488ad4d6ddSJeff Bonwick /* ARGSUSED */ 449fa9e4066Sahrens static void 450fa9e4066Sahrens ztest_record_enospc(char *s) 451fa9e4066Sahrens { 452fa9e4066Sahrens ztest_shared->zs_enospc_count++; 453fa9e4066Sahrens } 454fa9e4066Sahrens 455fa9e4066Sahrens static void 456fa9e4066Sahrens process_options(int argc, char **argv) 457fa9e4066Sahrens { 458fa9e4066Sahrens int opt; 459fa9e4066Sahrens uint64_t value; 460fa9e4066Sahrens 461fa9e4066Sahrens /* By default, test gang blocks for blocks 32K and greater */ 462e05725b1Sbonwick metaslab_gang_bang = 32 << 10; 463fa9e4066Sahrens 464fa9e4066Sahrens while ((opt = getopt(argc, argv, 465e14bb325SJeff Bonwick "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:h")) != EOF) { 466fa9e4066Sahrens value = 0; 467fa9e4066Sahrens switch (opt) { 4683d7072f8Seschrock case 'v': 4693d7072f8Seschrock case 's': 4703d7072f8Seschrock case 'a': 4713d7072f8Seschrock case 'm': 4723d7072f8Seschrock case 'r': 4733d7072f8Seschrock case 'R': 4743d7072f8Seschrock case 'd': 4753d7072f8Seschrock case 't': 4763d7072f8Seschrock case 'g': 4773d7072f8Seschrock case 'i': 4783d7072f8Seschrock case 'k': 4793d7072f8Seschrock case 'T': 4803d7072f8Seschrock case 'P': 481fa9e4066Sahrens value = nicenumtoull(optarg); 482fa9e4066Sahrens } 483fa9e4066Sahrens switch (opt) { 4843d7072f8Seschrock case 'v': 485fa9e4066Sahrens zopt_vdevs = value; 486fa9e4066Sahrens break; 4873d7072f8Seschrock case 's': 488fa9e4066Sahrens zopt_vdev_size = MAX(SPA_MINDEVSIZE, value); 489fa9e4066Sahrens break; 4903d7072f8Seschrock case 'a': 491ecc2d604Sbonwick zopt_ashift = value; 492ecc2d604Sbonwick break; 4933d7072f8Seschrock case 'm': 494fa9e4066Sahrens zopt_mirrors = value; 495fa9e4066Sahrens break; 4963d7072f8Seschrock case 'r': 497fa9e4066Sahrens zopt_raidz = MAX(1, value); 498fa9e4066Sahrens break; 4993d7072f8Seschrock case 'R': 500f94275ceSAdam Leventhal zopt_raidz_parity = MIN(MAX(value, 1), 3); 50199653d4eSeschrock break; 5023d7072f8Seschrock case 'd': 503ecc2d604Sbonwick zopt_datasets = MAX(1, value); 504fa9e4066Sahrens break; 5053d7072f8Seschrock case 't': 506fa9e4066Sahrens zopt_threads = MAX(1, value); 507fa9e4066Sahrens break; 5083d7072f8Seschrock case 'g': 509e05725b1Sbonwick metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, value); 510fa9e4066Sahrens break; 5113d7072f8Seschrock case 'i': 512fa9e4066Sahrens zopt_init = value; 513fa9e4066Sahrens break; 5143d7072f8Seschrock case 'k': 515fa9e4066Sahrens zopt_killrate = value; 516fa9e4066Sahrens break; 5173d7072f8Seschrock case 'p': 518fa9e4066Sahrens zopt_pool = strdup(optarg); 519fa9e4066Sahrens break; 5203d7072f8Seschrock case 'f': 521fa9e4066Sahrens zopt_dir = strdup(optarg); 522fa9e4066Sahrens break; 5233d7072f8Seschrock case 'V': 524fa9e4066Sahrens zopt_verbose++; 525fa9e4066Sahrens break; 5263d7072f8Seschrock case 'E': 527fa9e4066Sahrens zopt_init = 0; 528fa9e4066Sahrens break; 5293d7072f8Seschrock case 'T': 530fa9e4066Sahrens zopt_time = value; 531fa9e4066Sahrens break; 5323d7072f8Seschrock case 'P': 533fa9e4066Sahrens zopt_passtime = MAX(1, value); 534fa9e4066Sahrens break; 5353d7072f8Seschrock case 'h': 536f1b4288bSvb usage(B_TRUE); 537f1b4288bSvb break; 5383d7072f8Seschrock case '?': 5393d7072f8Seschrock default: 540f1b4288bSvb usage(B_FALSE); 541fa9e4066Sahrens break; 542fa9e4066Sahrens } 543fa9e4066Sahrens } 544fa9e4066Sahrens 54599653d4eSeschrock zopt_raidz_parity = MIN(zopt_raidz_parity, zopt_raidz - 1); 54699653d4eSeschrock 547fa9e4066Sahrens zopt_vdevtime = (zopt_vdevs > 0 ? zopt_time / zopt_vdevs : UINT64_MAX); 54899653d4eSeschrock zopt_maxfaults = MAX(zopt_mirrors, 1) * (zopt_raidz_parity + 1) - 1; 549fa9e4066Sahrens } 550fa9e4066Sahrens 551ecc2d604Sbonwick static uint64_t 552ecc2d604Sbonwick ztest_get_ashift(void) 553ecc2d604Sbonwick { 554ecc2d604Sbonwick if (zopt_ashift == 0) 555ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 556ecc2d604Sbonwick return (zopt_ashift); 557ecc2d604Sbonwick } 558ecc2d604Sbonwick 559fa9e4066Sahrens static nvlist_t * 560e14bb325SJeff Bonwick make_vdev_file(char *path, char *aux, size_t size, uint64_t ashift) 561fa9e4066Sahrens { 562e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 563fa9e4066Sahrens uint64_t vdev; 564fa9e4066Sahrens nvlist_t *file; 565fa9e4066Sahrens 566e14bb325SJeff Bonwick if (ashift == 0) 567e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 568e14bb325SJeff Bonwick 569e14bb325SJeff Bonwick if (path == NULL) { 570e14bb325SJeff Bonwick path = pathbuf; 571fa9e4066Sahrens 572e14bb325SJeff Bonwick if (aux != NULL) { 573e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 574e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, 575e14bb325SJeff Bonwick zopt_dir, zopt_pool, aux, vdev); 576e14bb325SJeff Bonwick } else { 57788ecc943SGeorge Wilson vdev = ztest_shared->zs_vdev_next_leaf++; 578e14bb325SJeff Bonwick (void) sprintf(path, ztest_dev_template, 579e14bb325SJeff Bonwick zopt_dir, zopt_pool, vdev); 580e14bb325SJeff Bonwick } 581e14bb325SJeff Bonwick } 582e14bb325SJeff Bonwick 583e14bb325SJeff Bonwick if (size != 0) { 584e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 585fa9e4066Sahrens if (fd == -1) 586e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 587fa9e4066Sahrens if (ftruncate(fd, size) != 0) 588e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 589fa9e4066Sahrens (void) close(fd); 590fa9e4066Sahrens } 591fa9e4066Sahrens 592fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 593fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 594e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 595ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 596fa9e4066Sahrens 597fa9e4066Sahrens return (file); 598fa9e4066Sahrens } 599fa9e4066Sahrens 600fa9e4066Sahrens static nvlist_t * 601e14bb325SJeff Bonwick make_vdev_raidz(char *path, char *aux, size_t size, uint64_t ashift, int r) 602fa9e4066Sahrens { 603fa9e4066Sahrens nvlist_t *raidz, **child; 604fa9e4066Sahrens int c; 605fa9e4066Sahrens 606fa9e4066Sahrens if (r < 2) 607e14bb325SJeff Bonwick return (make_vdev_file(path, aux, size, ashift)); 608fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 609fa9e4066Sahrens 610fa9e4066Sahrens for (c = 0; c < r; c++) 611e14bb325SJeff Bonwick child[c] = make_vdev_file(path, aux, size, ashift); 612fa9e4066Sahrens 613fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 614fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 615fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 61699653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 61799653d4eSeschrock zopt_raidz_parity) == 0); 618fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 619fa9e4066Sahrens child, r) == 0); 620fa9e4066Sahrens 621fa9e4066Sahrens for (c = 0; c < r; c++) 622fa9e4066Sahrens nvlist_free(child[c]); 623fa9e4066Sahrens 624fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 625fa9e4066Sahrens 626fa9e4066Sahrens return (raidz); 627fa9e4066Sahrens } 628fa9e4066Sahrens 629fa9e4066Sahrens static nvlist_t * 630e14bb325SJeff Bonwick make_vdev_mirror(char *path, char *aux, size_t size, uint64_t ashift, 63131157203SJeff Bonwick int r, int m) 632fa9e4066Sahrens { 633fa9e4066Sahrens nvlist_t *mirror, **child; 634fa9e4066Sahrens int c; 635fa9e4066Sahrens 636fa9e4066Sahrens if (m < 1) 637e14bb325SJeff Bonwick return (make_vdev_raidz(path, aux, size, ashift, r)); 638fa9e4066Sahrens 639fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 640fa9e4066Sahrens 641fa9e4066Sahrens for (c = 0; c < m; c++) 642e14bb325SJeff Bonwick child[c] = make_vdev_raidz(path, aux, size, ashift, r); 643fa9e4066Sahrens 644fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 645fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 646fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 647fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 648fa9e4066Sahrens child, m) == 0); 649fa9e4066Sahrens 650fa9e4066Sahrens for (c = 0; c < m; c++) 651fa9e4066Sahrens nvlist_free(child[c]); 652fa9e4066Sahrens 653fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 654fa9e4066Sahrens 655fa9e4066Sahrens return (mirror); 656fa9e4066Sahrens } 657fa9e4066Sahrens 658fa9e4066Sahrens static nvlist_t * 659e14bb325SJeff Bonwick make_vdev_root(char *path, char *aux, size_t size, uint64_t ashift, 660e14bb325SJeff Bonwick int log, int r, int m, int t) 661fa9e4066Sahrens { 662fa9e4066Sahrens nvlist_t *root, **child; 663fa9e4066Sahrens int c; 664fa9e4066Sahrens 665fa9e4066Sahrens ASSERT(t > 0); 666fa9e4066Sahrens 667fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 668fa9e4066Sahrens 66931157203SJeff Bonwick for (c = 0; c < t; c++) { 67031157203SJeff Bonwick child[c] = make_vdev_mirror(path, aux, size, ashift, r, m); 67131157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 67231157203SJeff Bonwick log) == 0); 67331157203SJeff Bonwick } 674fa9e4066Sahrens 675fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 676fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 677e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 678fa9e4066Sahrens child, t) == 0); 679fa9e4066Sahrens 680fa9e4066Sahrens for (c = 0; c < t; c++) 681fa9e4066Sahrens nvlist_free(child[c]); 682fa9e4066Sahrens 683fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 684fa9e4066Sahrens 685fa9e4066Sahrens return (root); 686fa9e4066Sahrens } 687fa9e4066Sahrens 688fa9e4066Sahrens static void 689fa9e4066Sahrens ztest_set_random_blocksize(objset_t *os, uint64_t object, dmu_tx_t *tx) 690fa9e4066Sahrens { 691fa9e4066Sahrens int bs = SPA_MINBLOCKSHIFT + 692fa9e4066Sahrens ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1); 693fa9e4066Sahrens int ibs = DN_MIN_INDBLKSHIFT + 694fa9e4066Sahrens ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1); 695fa9e4066Sahrens int error; 696fa9e4066Sahrens 697fa9e4066Sahrens error = dmu_object_set_blocksize(os, object, 1ULL << bs, ibs, tx); 698fa9e4066Sahrens if (error) { 699fa9e4066Sahrens char osname[300]; 700fa9e4066Sahrens dmu_objset_name(os, osname); 701fa9e4066Sahrens fatal(0, "dmu_object_set_blocksize('%s', %llu, %d, %d) = %d", 702fa9e4066Sahrens osname, object, 1 << bs, ibs, error); 703fa9e4066Sahrens } 704fa9e4066Sahrens } 705fa9e4066Sahrens 706fa9e4066Sahrens static uint8_t 707fa9e4066Sahrens ztest_random_checksum(void) 708fa9e4066Sahrens { 709fa9e4066Sahrens uint8_t checksum; 710fa9e4066Sahrens 711fa9e4066Sahrens do { 712fa9e4066Sahrens checksum = ztest_random(ZIO_CHECKSUM_FUNCTIONS); 713fa9e4066Sahrens } while (zio_checksum_table[checksum].ci_zbt); 714fa9e4066Sahrens 715fa9e4066Sahrens if (checksum == ZIO_CHECKSUM_OFF) 716fa9e4066Sahrens checksum = ZIO_CHECKSUM_ON; 717fa9e4066Sahrens 718fa9e4066Sahrens return (checksum); 719fa9e4066Sahrens } 720fa9e4066Sahrens 721fa9e4066Sahrens static uint8_t 722fa9e4066Sahrens ztest_random_compress(void) 723fa9e4066Sahrens { 724fa9e4066Sahrens return ((uint8_t)ztest_random(ZIO_COMPRESS_FUNCTIONS)); 725fa9e4066Sahrens } 726fa9e4066Sahrens 727fa9e4066Sahrens static int 7281209a471SNeil Perrin ztest_replay_create(objset_t *os, lr_create_t *lr, boolean_t byteswap) 729fa9e4066Sahrens { 730fa9e4066Sahrens dmu_tx_t *tx; 731fa9e4066Sahrens int error; 732fa9e4066Sahrens 733fa9e4066Sahrens if (byteswap) 734fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 735fa9e4066Sahrens 736fa9e4066Sahrens tx = dmu_tx_create(os); 737fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 7381209a471SNeil Perrin error = dmu_tx_assign(tx, TXG_WAIT); 739fa9e4066Sahrens if (error) { 740fa9e4066Sahrens dmu_tx_abort(tx); 741fa9e4066Sahrens return (error); 742fa9e4066Sahrens } 743fa9e4066Sahrens 744fa9e4066Sahrens error = dmu_object_claim(os, lr->lr_doid, lr->lr_mode, 0, 745fa9e4066Sahrens DMU_OT_NONE, 0, tx); 74699653d4eSeschrock ASSERT3U(error, ==, 0); 747fa9e4066Sahrens dmu_tx_commit(tx); 748fa9e4066Sahrens 749fa9e4066Sahrens if (zopt_verbose >= 5) { 750fa9e4066Sahrens char osname[MAXNAMELEN]; 751fa9e4066Sahrens dmu_objset_name(os, osname); 752fa9e4066Sahrens (void) printf("replay create of %s object %llu" 753fa9e4066Sahrens " in txg %llu = %d\n", 754fa9e4066Sahrens osname, (u_longlong_t)lr->lr_doid, 7551209a471SNeil Perrin (u_longlong_t)dmu_tx_get_txg(tx), error); 756fa9e4066Sahrens } 757fa9e4066Sahrens 758fa9e4066Sahrens return (error); 759fa9e4066Sahrens } 760fa9e4066Sahrens 761fa9e4066Sahrens static int 7621209a471SNeil Perrin ztest_replay_remove(objset_t *os, lr_remove_t *lr, boolean_t byteswap) 763fa9e4066Sahrens { 764fa9e4066Sahrens dmu_tx_t *tx; 765fa9e4066Sahrens int error; 766fa9e4066Sahrens 767fa9e4066Sahrens if (byteswap) 768fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 769fa9e4066Sahrens 770fa9e4066Sahrens tx = dmu_tx_create(os); 771fa9e4066Sahrens dmu_tx_hold_free(tx, lr->lr_doid, 0, DMU_OBJECT_END); 7721209a471SNeil Perrin error = dmu_tx_assign(tx, TXG_WAIT); 773fa9e4066Sahrens if (error) { 774fa9e4066Sahrens dmu_tx_abort(tx); 775fa9e4066Sahrens return (error); 776fa9e4066Sahrens } 777fa9e4066Sahrens 778fa9e4066Sahrens error = dmu_object_free(os, lr->lr_doid, tx); 779fa9e4066Sahrens dmu_tx_commit(tx); 780fa9e4066Sahrens 781fa9e4066Sahrens return (error); 782fa9e4066Sahrens } 783fa9e4066Sahrens 784fa9e4066Sahrens zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 785fa9e4066Sahrens NULL, /* 0 no such transaction type */ 786fa9e4066Sahrens ztest_replay_create, /* TX_CREATE */ 787fa9e4066Sahrens NULL, /* TX_MKDIR */ 788fa9e4066Sahrens NULL, /* TX_MKXATTR */ 789fa9e4066Sahrens NULL, /* TX_SYMLINK */ 790fa9e4066Sahrens ztest_replay_remove, /* TX_REMOVE */ 791fa9e4066Sahrens NULL, /* TX_RMDIR */ 792fa9e4066Sahrens NULL, /* TX_LINK */ 793fa9e4066Sahrens NULL, /* TX_RENAME */ 794fa9e4066Sahrens NULL, /* TX_WRITE */ 795fa9e4066Sahrens NULL, /* TX_TRUNCATE */ 796fa9e4066Sahrens NULL, /* TX_SETATTR */ 797fa9e4066Sahrens NULL, /* TX_ACL */ 798fa9e4066Sahrens }; 799fa9e4066Sahrens 800fa9e4066Sahrens /* 801fa9e4066Sahrens * Verify that we can't destroy an active pool, create an existing pool, 802fa9e4066Sahrens * or create a pool with a bad vdev spec. 803fa9e4066Sahrens */ 804fa9e4066Sahrens void 805fa9e4066Sahrens ztest_spa_create_destroy(ztest_args_t *za) 806fa9e4066Sahrens { 807fa9e4066Sahrens int error; 808fa9e4066Sahrens spa_t *spa; 809fa9e4066Sahrens nvlist_t *nvroot; 810fa9e4066Sahrens 811fa9e4066Sahrens /* 812fa9e4066Sahrens * Attempt to create using a bad file. 813fa9e4066Sahrens */ 814e14bb325SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 8150a48a24eStimh error = spa_create("ztest_bad_file", nvroot, NULL, NULL, NULL); 816fa9e4066Sahrens nvlist_free(nvroot); 817fa9e4066Sahrens if (error != ENOENT) 818fa9e4066Sahrens fatal(0, "spa_create(bad_file) = %d", error); 819fa9e4066Sahrens 820fa9e4066Sahrens /* 821fa9e4066Sahrens * Attempt to create using a bad mirror. 822fa9e4066Sahrens */ 823e14bb325SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 2, 1); 8240a48a24eStimh error = spa_create("ztest_bad_mirror", nvroot, NULL, NULL, NULL); 825fa9e4066Sahrens nvlist_free(nvroot); 826fa9e4066Sahrens if (error != ENOENT) 827fa9e4066Sahrens fatal(0, "spa_create(bad_mirror) = %d", error); 828fa9e4066Sahrens 829fa9e4066Sahrens /* 830fa9e4066Sahrens * Attempt to create an existing pool. It shouldn't matter 831fa9e4066Sahrens * what's in the nvroot; we should fail with EEXIST. 832fa9e4066Sahrens */ 833fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 834e14bb325SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 8350a48a24eStimh error = spa_create(za->za_pool, nvroot, NULL, NULL, NULL); 836fa9e4066Sahrens nvlist_free(nvroot); 837fa9e4066Sahrens if (error != EEXIST) 838fa9e4066Sahrens fatal(0, "spa_create(whatever) = %d", error); 839fa9e4066Sahrens 840fa9e4066Sahrens error = spa_open(za->za_pool, &spa, FTAG); 841fa9e4066Sahrens if (error) 842fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 843fa9e4066Sahrens 844fa9e4066Sahrens error = spa_destroy(za->za_pool); 845fa9e4066Sahrens if (error != EBUSY) 846fa9e4066Sahrens fatal(0, "spa_destroy() = %d", error); 847fa9e4066Sahrens 848fa9e4066Sahrens spa_close(spa, FTAG); 849fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 850fa9e4066Sahrens } 851fa9e4066Sahrens 85231157203SJeff Bonwick static vdev_t * 85331157203SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 85431157203SJeff Bonwick { 85531157203SJeff Bonwick vdev_t *mvd; 85631157203SJeff Bonwick 85731157203SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 85831157203SJeff Bonwick return (vd); 85931157203SJeff Bonwick 86031157203SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 86131157203SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 86231157203SJeff Bonwick NULL) 86331157203SJeff Bonwick return (mvd); 86431157203SJeff Bonwick 86531157203SJeff Bonwick return (NULL); 86631157203SJeff Bonwick } 86731157203SJeff Bonwick 86888ecc943SGeorge Wilson /* 86988ecc943SGeorge Wilson * Find the first available hole which can be used as a top-level. 87088ecc943SGeorge Wilson */ 87188ecc943SGeorge Wilson int 87288ecc943SGeorge Wilson find_vdev_hole(spa_t *spa) 87388ecc943SGeorge Wilson { 87488ecc943SGeorge Wilson vdev_t *rvd = spa->spa_root_vdev; 87588ecc943SGeorge Wilson int c; 87688ecc943SGeorge Wilson 87788ecc943SGeorge Wilson ASSERT(spa_config_held(spa, SCL_VDEV, RW_READER) == SCL_VDEV); 87888ecc943SGeorge Wilson 87988ecc943SGeorge Wilson for (c = 0; c < rvd->vdev_children; c++) { 88088ecc943SGeorge Wilson vdev_t *cvd = rvd->vdev_child[c]; 88188ecc943SGeorge Wilson 88288ecc943SGeorge Wilson if (cvd->vdev_ishole) 88388ecc943SGeorge Wilson break; 88488ecc943SGeorge Wilson } 88588ecc943SGeorge Wilson return (c); 88688ecc943SGeorge Wilson } 88788ecc943SGeorge Wilson 888fa9e4066Sahrens /* 889fa9e4066Sahrens * Verify that vdev_add() works as expected. 890fa9e4066Sahrens */ 891fa9e4066Sahrens void 892fa9e4066Sahrens ztest_vdev_add_remove(ztest_args_t *za) 893fa9e4066Sahrens { 894e05725b1Sbonwick spa_t *spa = za->za_spa; 895fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 89688ecc943SGeorge Wilson uint64_t guid; 897fa9e4066Sahrens nvlist_t *nvroot; 898fa9e4066Sahrens int error; 899fa9e4066Sahrens 900fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 901fa9e4066Sahrens 902e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 903fa9e4066Sahrens 90488ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = find_vdev_hole(spa) * leaves; 905fa9e4066Sahrens 9068654d025Sperrin /* 90788ecc943SGeorge Wilson * If we have slogs then remove them 1/4 of the time. 9088654d025Sperrin */ 90988ecc943SGeorge Wilson if (spa_has_slogs(spa) && ztest_random(4) == 0) { 91088ecc943SGeorge Wilson /* 91188ecc943SGeorge Wilson * Grab the guid from the head of the log class rotor. 91288ecc943SGeorge Wilson */ 91388ecc943SGeorge Wilson guid = spa->spa_log_class->mc_rotor->mg_vd->vdev_guid; 9148654d025Sperrin 91588ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 916fa9e4066Sahrens 91788ecc943SGeorge Wilson /* 91888ecc943SGeorge Wilson * We have to grab the zs_name_lock as writer to 91988ecc943SGeorge Wilson * prevent a race between removing a slog (dmu_objset_find) 92088ecc943SGeorge Wilson * and destroying a dataset. Removing the slog will 92188ecc943SGeorge Wilson * grab a reference on the dataset which may cause 92288ecc943SGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 92388ecc943SGeorge Wilson * leaving the dataset in an inconsistent state. 92488ecc943SGeorge Wilson */ 92588ecc943SGeorge Wilson (void) rw_wrlock(&ztest_shared->zs_name_lock); 92688ecc943SGeorge Wilson error = spa_vdev_remove(spa, guid, B_FALSE); 92788ecc943SGeorge Wilson (void) rw_unlock(&ztest_shared->zs_name_lock); 928fa9e4066Sahrens 92988ecc943SGeorge Wilson if (error && error != EEXIST) 93088ecc943SGeorge Wilson fatal(0, "spa_vdev_remove() = %d", error); 93188ecc943SGeorge Wilson } else { 93288ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 93388ecc943SGeorge Wilson 93488ecc943SGeorge Wilson /* 93588ecc943SGeorge Wilson * Make 1/4 of the devices be log devices. 93688ecc943SGeorge Wilson */ 93788ecc943SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 93888ecc943SGeorge Wilson ztest_random(4) == 0, zopt_raidz, zopt_mirrors, 1); 93988ecc943SGeorge Wilson 94088ecc943SGeorge Wilson error = spa_vdev_add(spa, nvroot); 94188ecc943SGeorge Wilson nvlist_free(nvroot); 94288ecc943SGeorge Wilson 94388ecc943SGeorge Wilson if (error == ENOSPC) 94488ecc943SGeorge Wilson ztest_record_enospc("spa_vdev_add"); 94588ecc943SGeorge Wilson else if (error != 0) 94688ecc943SGeorge Wilson fatal(0, "spa_vdev_add() = %d", error); 94788ecc943SGeorge Wilson } 94888ecc943SGeorge Wilson 94988ecc943SGeorge Wilson (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 950e14bb325SJeff Bonwick } 951fa9e4066Sahrens 952e14bb325SJeff Bonwick /* 953e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 954e14bb325SJeff Bonwick */ 955e14bb325SJeff Bonwick void 956e14bb325SJeff Bonwick ztest_vdev_aux_add_remove(ztest_args_t *za) 957e14bb325SJeff Bonwick { 958e14bb325SJeff Bonwick spa_t *spa = za->za_spa; 95931157203SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 960e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 961e14bb325SJeff Bonwick char *aux; 962e14bb325SJeff Bonwick uint64_t guid = 0; 963e14bb325SJeff Bonwick int error; 964e14bb325SJeff Bonwick 96531157203SJeff Bonwick if (ztest_random(2) == 0) { 966e14bb325SJeff Bonwick sav = &spa->spa_spares; 967e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 968e14bb325SJeff Bonwick } else { 969e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 970e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 971e14bb325SJeff Bonwick } 972e14bb325SJeff Bonwick 973e14bb325SJeff Bonwick (void) mutex_lock(&ztest_shared->zs_vdev_lock); 974e14bb325SJeff Bonwick 975e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 976e14bb325SJeff Bonwick 977e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 978e14bb325SJeff Bonwick /* 979e14bb325SJeff Bonwick * Pick a random device to remove. 980e14bb325SJeff Bonwick */ 981e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 982e14bb325SJeff Bonwick } else { 983e14bb325SJeff Bonwick /* 984e14bb325SJeff Bonwick * Find an unused device we can add. 985e14bb325SJeff Bonwick */ 986e14bb325SJeff Bonwick ztest_shared->zs_vdev_aux = 0; 987e14bb325SJeff Bonwick for (;;) { 988e14bb325SJeff Bonwick char path[MAXPATHLEN]; 989e14bb325SJeff Bonwick int c; 990e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, zopt_dir, 991e14bb325SJeff Bonwick zopt_pool, aux, ztest_shared->zs_vdev_aux); 992e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 993e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 994e14bb325SJeff Bonwick path) == 0) 995e14bb325SJeff Bonwick break; 99631157203SJeff Bonwick if (c == sav->sav_count && 99731157203SJeff Bonwick vdev_lookup_by_path(rvd, path) == NULL) 998e14bb325SJeff Bonwick break; 999e14bb325SJeff Bonwick ztest_shared->zs_vdev_aux++; 1000e14bb325SJeff Bonwick } 1001e14bb325SJeff Bonwick } 1002e14bb325SJeff Bonwick 1003e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 1004e14bb325SJeff Bonwick 1005e14bb325SJeff Bonwick if (guid == 0) { 1006e14bb325SJeff Bonwick /* 1007e14bb325SJeff Bonwick * Add a new device. 1008e14bb325SJeff Bonwick */ 100931157203SJeff Bonwick nvlist_t *nvroot = make_vdev_root(NULL, aux, 101031157203SJeff Bonwick (zopt_vdev_size * 5) / 4, 0, 0, 0, 0, 1); 1011e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 1012e14bb325SJeff Bonwick if (error != 0) 1013e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 1014e14bb325SJeff Bonwick nvlist_free(nvroot); 1015e14bb325SJeff Bonwick } else { 1016e14bb325SJeff Bonwick /* 1017e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 1018e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 1019e14bb325SJeff Bonwick * of devices that have pending state changes. 1020e14bb325SJeff Bonwick */ 1021e14bb325SJeff Bonwick if (ztest_random(2) == 0) 1022573ca77eSGeorge Wilson (void) vdev_online(spa, guid, 0, NULL); 1023e14bb325SJeff Bonwick 1024e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 1025e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 1026e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 1027e14bb325SJeff Bonwick } 1028e14bb325SJeff Bonwick 1029e14bb325SJeff Bonwick (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1030fa9e4066Sahrens } 1031fa9e4066Sahrens 1032fa9e4066Sahrens /* 1033fa9e4066Sahrens * Verify that we can attach and detach devices. 1034fa9e4066Sahrens */ 1035fa9e4066Sahrens void 1036fa9e4066Sahrens ztest_vdev_attach_detach(ztest_args_t *za) 1037fa9e4066Sahrens { 1038e05725b1Sbonwick spa_t *spa = za->za_spa; 103931157203SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_spares; 1040fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 1041ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 1042e14bb325SJeff Bonwick nvlist_t *root; 1043fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 1044fa9e4066Sahrens uint64_t leaf, top; 1045ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 10468ad4d6ddSJeff Bonwick uint64_t oldguid, pguid; 1047ea8dc4b6Seschrock size_t oldsize, newsize; 1048ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 1049fa9e4066Sahrens int replacing; 10509af0a4dfSJeff Bonwick int oldvd_has_siblings = B_FALSE; 105131157203SJeff Bonwick int newvd_is_spare = B_FALSE; 105231157203SJeff Bonwick int oldvd_is_log; 1053fa9e4066Sahrens int error, expected_error; 1054fa9e4066Sahrens 1055fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 1056fa9e4066Sahrens 1057e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 1058fa9e4066Sahrens 1059fa9e4066Sahrens /* 1060fa9e4066Sahrens * Decide whether to do an attach or a replace. 1061fa9e4066Sahrens */ 1062fa9e4066Sahrens replacing = ztest_random(2); 1063fa9e4066Sahrens 1064fa9e4066Sahrens /* 1065fa9e4066Sahrens * Pick a random top-level vdev. 1066fa9e4066Sahrens */ 1067fa9e4066Sahrens top = ztest_random(rvd->vdev_children); 1068fa9e4066Sahrens 1069fa9e4066Sahrens /* 1070fa9e4066Sahrens * Pick a random leaf within it. 1071fa9e4066Sahrens */ 1072fa9e4066Sahrens leaf = ztest_random(leaves); 1073fa9e4066Sahrens 1074fa9e4066Sahrens /* 107531157203SJeff Bonwick * Locate this vdev. 1076fa9e4066Sahrens */ 107731157203SJeff Bonwick oldvd = rvd->vdev_child[top]; 10788ad4d6ddSJeff Bonwick if (zopt_mirrors >= 1) { 10798ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_mirror_ops); 10808ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= zopt_mirrors); 108131157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf / zopt_raidz]; 10828ad4d6ddSJeff Bonwick } 10838ad4d6ddSJeff Bonwick if (zopt_raidz > 1) { 10848ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_raidz_ops); 10858ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children == zopt_raidz); 108631157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf % zopt_raidz]; 10878ad4d6ddSJeff Bonwick } 1088fa9e4066Sahrens 1089fa9e4066Sahrens /* 109031157203SJeff Bonwick * If we're already doing an attach or replace, oldvd may be a 109131157203SJeff Bonwick * mirror vdev -- in which case, pick a random child. 1092fa9e4066Sahrens */ 109331157203SJeff Bonwick while (oldvd->vdev_children != 0) { 10949af0a4dfSJeff Bonwick oldvd_has_siblings = B_TRUE; 10958ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= 2); 10968ad4d6ddSJeff Bonwick oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)]; 109731157203SJeff Bonwick } 1098fa9e4066Sahrens 109931157203SJeff Bonwick oldguid = oldvd->vdev_guid; 1100573ca77eSGeorge Wilson oldsize = vdev_get_min_asize(oldvd); 110131157203SJeff Bonwick oldvd_is_log = oldvd->vdev_top->vdev_islog; 110231157203SJeff Bonwick (void) strcpy(oldpath, oldvd->vdev_path); 1103ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 11048ad4d6ddSJeff Bonwick pguid = pvd->vdev_guid; 1105fa9e4066Sahrens 11069af0a4dfSJeff Bonwick /* 11079af0a4dfSJeff Bonwick * If oldvd has siblings, then half of the time, detach it. 11089af0a4dfSJeff Bonwick */ 11099af0a4dfSJeff Bonwick if (oldvd_has_siblings && ztest_random(2) == 0) { 11109af0a4dfSJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 11118ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, oldguid, pguid, B_FALSE); 11128ad4d6ddSJeff Bonwick if (error != 0 && error != ENODEV && error != EBUSY && 11138ad4d6ddSJeff Bonwick error != ENOTSUP) 11148ad4d6ddSJeff Bonwick fatal(0, "detach (%s) returned %d", oldpath, error); 11159af0a4dfSJeff Bonwick (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 11169af0a4dfSJeff Bonwick return; 11179af0a4dfSJeff Bonwick } 11189af0a4dfSJeff Bonwick 1119fa9e4066Sahrens /* 112031157203SJeff Bonwick * For the new vdev, choose with equal probability between the two 112131157203SJeff Bonwick * standard paths (ending in either 'a' or 'b') or a random hot spare. 1122fa9e4066Sahrens */ 112331157203SJeff Bonwick if (sav->sav_count != 0 && ztest_random(3) == 0) { 112431157203SJeff Bonwick newvd = sav->sav_vdevs[ztest_random(sav->sav_count)]; 112531157203SJeff Bonwick newvd_is_spare = B_TRUE; 112631157203SJeff Bonwick (void) strcpy(newpath, newvd->vdev_path); 112731157203SJeff Bonwick } else { 112831157203SJeff Bonwick (void) snprintf(newpath, sizeof (newpath), ztest_dev_template, 112931157203SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 113031157203SJeff Bonwick if (ztest_random(2) == 0) 113131157203SJeff Bonwick newpath[strlen(newpath) - 1] = 'b'; 113231157203SJeff Bonwick newvd = vdev_lookup_by_path(rvd, newpath); 113331157203SJeff Bonwick } 113431157203SJeff Bonwick 113531157203SJeff Bonwick if (newvd) { 1136573ca77eSGeorge Wilson newsize = vdev_get_min_asize(newvd); 113731157203SJeff Bonwick } else { 113831157203SJeff Bonwick /* 113931157203SJeff Bonwick * Make newsize a little bigger or smaller than oldsize. 114031157203SJeff Bonwick * If it's smaller, the attach should fail. 114131157203SJeff Bonwick * If it's larger, and we're doing a replace, 114231157203SJeff Bonwick * we should get dynamic LUN growth when we're done. 114331157203SJeff Bonwick */ 114431157203SJeff Bonwick newsize = 10 * oldsize / (9 + ztest_random(3)); 114531157203SJeff Bonwick } 1146fa9e4066Sahrens 1147fa9e4066Sahrens /* 1148fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 1149fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 1150fa9e4066Sahrens * 1151ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 1152fa9e4066Sahrens * 1153ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 1154fa9e4066Sahrens */ 115531157203SJeff Bonwick if (pvd->vdev_ops != &vdev_mirror_ops && 115631157203SJeff Bonwick pvd->vdev_ops != &vdev_root_ops && (!replacing || 115731157203SJeff Bonwick pvd->vdev_ops == &vdev_replacing_ops || 115831157203SJeff Bonwick pvd->vdev_ops == &vdev_spare_ops)) 115931157203SJeff Bonwick expected_error = ENOTSUP; 116031157203SJeff Bonwick else if (newvd_is_spare && (!replacing || oldvd_is_log)) 1161fa9e4066Sahrens expected_error = ENOTSUP; 116231157203SJeff Bonwick else if (newvd == oldvd) 116331157203SJeff Bonwick expected_error = replacing ? 0 : EBUSY; 116431157203SJeff Bonwick else if (vdev_lookup_by_path(rvd, newpath) != NULL) 116531157203SJeff Bonwick expected_error = EBUSY; 1166ea8dc4b6Seschrock else if (newsize < oldsize) 1167fa9e4066Sahrens expected_error = EOVERFLOW; 1168ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 1169ecc2d604Sbonwick expected_error = EDOM; 1170fa9e4066Sahrens else 1171fa9e4066Sahrens expected_error = 0; 1172fa9e4066Sahrens 1173e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 1174fa9e4066Sahrens 1175fa9e4066Sahrens /* 1176ea8dc4b6Seschrock * Build the nvlist describing newpath. 1177fa9e4066Sahrens */ 1178e14bb325SJeff Bonwick root = make_vdev_root(newpath, NULL, newvd == NULL ? newsize : 0, 1179e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 1180fa9e4066Sahrens 118131157203SJeff Bonwick error = spa_vdev_attach(spa, oldguid, root, replacing); 1182fa9e4066Sahrens 1183fa9e4066Sahrens nvlist_free(root); 1184fa9e4066Sahrens 1185fa9e4066Sahrens /* 1186fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 1187fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 1188fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 1189fa9e4066Sahrens */ 1190fa9e4066Sahrens if (expected_error == ENOTSUP && 1191fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 1192fa9e4066Sahrens expected_error = error; 1193fa9e4066Sahrens 1194f0aa80d4Sbonwick /* 1195f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 1196f0aa80d4Sbonwick */ 1197088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 1198f0aa80d4Sbonwick expected_error = error; 1199f0aa80d4Sbonwick 1200088f3894Sahrens /* XXX workaround 6690467 */ 1201088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 1202088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 1203088f3894Sahrens "returned %d, expected %d", 1204088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 1205088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 1206fa9e4066Sahrens } 1207fa9e4066Sahrens 1208fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1209fa9e4066Sahrens } 1210fa9e4066Sahrens 1211573ca77eSGeorge Wilson /* 1212573ca77eSGeorge Wilson * Callback function which expands the physical size of the vdev. 1213573ca77eSGeorge Wilson */ 1214573ca77eSGeorge Wilson vdev_t * 1215573ca77eSGeorge Wilson grow_vdev(vdev_t *vd, void *arg) 1216573ca77eSGeorge Wilson { 1217573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 1218573ca77eSGeorge Wilson size_t *newsize = arg; 1219573ca77eSGeorge Wilson size_t fsize; 1220573ca77eSGeorge Wilson int fd; 1221573ca77eSGeorge Wilson 1222573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 1223573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 1224573ca77eSGeorge Wilson 1225573ca77eSGeorge Wilson if ((fd = open(vd->vdev_path, O_RDWR)) == -1) 1226573ca77eSGeorge Wilson return (vd); 1227573ca77eSGeorge Wilson 1228573ca77eSGeorge Wilson fsize = lseek(fd, 0, SEEK_END); 1229573ca77eSGeorge Wilson (void) ftruncate(fd, *newsize); 1230573ca77eSGeorge Wilson 1231573ca77eSGeorge Wilson if (zopt_verbose >= 6) { 1232573ca77eSGeorge Wilson (void) printf("%s grew from %lu to %lu bytes\n", 1233573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)fsize, (ulong_t)*newsize); 1234573ca77eSGeorge Wilson } 1235573ca77eSGeorge Wilson (void) close(fd); 1236573ca77eSGeorge Wilson return (NULL); 1237573ca77eSGeorge Wilson } 1238573ca77eSGeorge Wilson 1239573ca77eSGeorge Wilson /* 1240573ca77eSGeorge Wilson * Callback function which expands a given vdev by calling vdev_online(). 1241573ca77eSGeorge Wilson */ 1242573ca77eSGeorge Wilson /* ARGSUSED */ 1243573ca77eSGeorge Wilson vdev_t * 1244573ca77eSGeorge Wilson online_vdev(vdev_t *vd, void *arg) 1245573ca77eSGeorge Wilson { 1246573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 1247573ca77eSGeorge Wilson vdev_t *tvd = vd->vdev_top; 1248573ca77eSGeorge Wilson vdev_t *pvd = vd->vdev_parent; 1249573ca77eSGeorge Wilson uint64_t guid = vd->vdev_guid; 1250573ca77eSGeorge Wilson 1251573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 1252573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 1253573ca77eSGeorge Wilson 1254573ca77eSGeorge Wilson /* Calling vdev_online will initialize the new metaslabs */ 1255573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 1256573ca77eSGeorge Wilson (void) vdev_online(spa, guid, ZFS_ONLINE_EXPAND, NULL); 1257573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 1258573ca77eSGeorge Wilson 1259573ca77eSGeorge Wilson /* 1260573ca77eSGeorge Wilson * Since we dropped the lock we need to ensure that we're 1261573ca77eSGeorge Wilson * still talking to the original vdev. It's possible this 1262573ca77eSGeorge Wilson * vdev may have been detached/replaced while we were 1263573ca77eSGeorge Wilson * trying to online it. 1264573ca77eSGeorge Wilson */ 1265573ca77eSGeorge Wilson if (vd != vdev_lookup_by_guid(tvd, guid) || vd->vdev_parent != pvd) { 1266573ca77eSGeorge Wilson if (zopt_verbose >= 6) { 1267573ca77eSGeorge Wilson (void) printf("vdev %p has disappeared, was " 1268573ca77eSGeorge Wilson "guid %llu\n", (void *)vd, (u_longlong_t)guid); 1269573ca77eSGeorge Wilson } 1270573ca77eSGeorge Wilson return (vd); 1271573ca77eSGeorge Wilson } 1272573ca77eSGeorge Wilson return (NULL); 1273573ca77eSGeorge Wilson } 1274573ca77eSGeorge Wilson 1275573ca77eSGeorge Wilson /* 1276573ca77eSGeorge Wilson * Traverse the vdev tree calling the supplied function. 1277573ca77eSGeorge Wilson * We continue to walk the tree until we either have walked all 1278573ca77eSGeorge Wilson * children or we receive a non-NULL return from the callback. 1279573ca77eSGeorge Wilson * If a NULL callback is passed, then we just return back the first 1280573ca77eSGeorge Wilson * leaf vdev we encounter. 1281573ca77eSGeorge Wilson */ 1282573ca77eSGeorge Wilson vdev_t * 1283573ca77eSGeorge Wilson vdev_walk_tree(vdev_t *vd, vdev_t *(*func)(vdev_t *, void *), void *arg) 1284573ca77eSGeorge Wilson { 1285573ca77eSGeorge Wilson if (vd->vdev_ops->vdev_op_leaf) { 1286573ca77eSGeorge Wilson if (func == NULL) 1287573ca77eSGeorge Wilson return (vd); 1288573ca77eSGeorge Wilson else 1289573ca77eSGeorge Wilson return (func(vd, arg)); 1290573ca77eSGeorge Wilson } 1291573ca77eSGeorge Wilson 1292573ca77eSGeorge Wilson for (uint_t c = 0; c < vd->vdev_children; c++) { 1293573ca77eSGeorge Wilson vdev_t *cvd = vd->vdev_child[c]; 1294573ca77eSGeorge Wilson if ((cvd = vdev_walk_tree(cvd, func, arg)) != NULL) 1295573ca77eSGeorge Wilson return (cvd); 1296573ca77eSGeorge Wilson } 1297573ca77eSGeorge Wilson return (NULL); 1298573ca77eSGeorge Wilson } 1299573ca77eSGeorge Wilson 1300fa9e4066Sahrens /* 1301fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 1302fa9e4066Sahrens */ 1303fa9e4066Sahrens void 1304fa9e4066Sahrens ztest_vdev_LUN_growth(ztest_args_t *za) 1305fa9e4066Sahrens { 1306e05725b1Sbonwick spa_t *spa = za->za_spa; 1307573ca77eSGeorge Wilson vdev_t *vd, *tvd = NULL; 1308573ca77eSGeorge Wilson size_t psize, newsize; 1309573ca77eSGeorge Wilson uint64_t spa_newsize, spa_cursize, ms_count; 1310fa9e4066Sahrens 1311fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 1312573ca77eSGeorge Wilson mutex_enter(&spa_namespace_lock); 1313573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 1314573ca77eSGeorge Wilson 1315573ca77eSGeorge Wilson while (tvd == NULL || tvd->vdev_islog) { 1316573ca77eSGeorge Wilson uint64_t vdev; 1317573ca77eSGeorge Wilson 1318573ca77eSGeorge Wilson vdev = ztest_random(spa->spa_root_vdev->vdev_children); 1319573ca77eSGeorge Wilson tvd = spa->spa_root_vdev->vdev_child[vdev]; 1320573ca77eSGeorge Wilson } 1321fa9e4066Sahrens 1322fa9e4066Sahrens /* 1323573ca77eSGeorge Wilson * Determine the size of the first leaf vdev associated with 1324573ca77eSGeorge Wilson * our top-level device. 1325fa9e4066Sahrens */ 1326573ca77eSGeorge Wilson vd = vdev_walk_tree(tvd, NULL, NULL); 1327573ca77eSGeorge Wilson ASSERT3P(vd, !=, NULL); 1328573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 1329fa9e4066Sahrens 1330573ca77eSGeorge Wilson psize = vd->vdev_psize; 1331fa9e4066Sahrens 1332573ca77eSGeorge Wilson /* 1333573ca77eSGeorge Wilson * We only try to expand the vdev if it's less than 4x its 1334573ca77eSGeorge Wilson * original size and it has a valid psize. 1335573ca77eSGeorge Wilson */ 1336573ca77eSGeorge Wilson if (psize == 0 || psize >= 4 * zopt_vdev_size) { 1337573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 1338573ca77eSGeorge Wilson mutex_exit(&spa_namespace_lock); 1339573ca77eSGeorge Wilson (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1340573ca77eSGeorge Wilson return; 1341573ca77eSGeorge Wilson } 1342573ca77eSGeorge Wilson ASSERT(psize > 0); 1343573ca77eSGeorge Wilson newsize = psize + psize / 8; 1344573ca77eSGeorge Wilson ASSERT3U(newsize, >, psize); 1345fa9e4066Sahrens 1346573ca77eSGeorge Wilson if (zopt_verbose >= 6) { 1347573ca77eSGeorge Wilson (void) printf("Expanding vdev %s from %lu to %lu\n", 1348573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)psize, (ulong_t)newsize); 1349573ca77eSGeorge Wilson } 1350573ca77eSGeorge Wilson 1351573ca77eSGeorge Wilson spa_cursize = spa_get_space(spa); 1352573ca77eSGeorge Wilson ms_count = tvd->vdev_ms_count; 1353573ca77eSGeorge Wilson 1354573ca77eSGeorge Wilson /* 1355573ca77eSGeorge Wilson * Growing the vdev is a two step process: 1356573ca77eSGeorge Wilson * 1). expand the physical size (i.e. relabel) 1357573ca77eSGeorge Wilson * 2). online the vdev to create the new metaslabs 1358573ca77eSGeorge Wilson */ 1359573ca77eSGeorge Wilson if (vdev_walk_tree(tvd, grow_vdev, &newsize) != NULL || 1360573ca77eSGeorge Wilson vdev_walk_tree(tvd, online_vdev, NULL) != NULL || 1361573ca77eSGeorge Wilson tvd->vdev_state != VDEV_STATE_HEALTHY) { 1362573ca77eSGeorge Wilson if (zopt_verbose >= 5) { 1363573ca77eSGeorge Wilson (void) printf("Could not expand LUN because " 1364573ca77eSGeorge Wilson "some vdevs were not healthy\n"); 1365fa9e4066Sahrens } 1366573ca77eSGeorge Wilson (void) spa_config_exit(spa, SCL_STATE, spa); 1367573ca77eSGeorge Wilson mutex_exit(&spa_namespace_lock); 1368573ca77eSGeorge Wilson (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1369573ca77eSGeorge Wilson return; 1370fa9e4066Sahrens } 1371fa9e4066Sahrens 1372573ca77eSGeorge Wilson (void) spa_config_exit(spa, SCL_STATE, spa); 1373573ca77eSGeorge Wilson mutex_exit(&spa_namespace_lock); 1374573ca77eSGeorge Wilson 1375573ca77eSGeorge Wilson /* 1376573ca77eSGeorge Wilson * Expanding the LUN will update the config asynchronously, 1377573ca77eSGeorge Wilson * thus we must wait for the async thread to complete any 1378573ca77eSGeorge Wilson * pending tasks before proceeding. 1379573ca77eSGeorge Wilson */ 1380573ca77eSGeorge Wilson mutex_enter(&spa->spa_async_lock); 1381573ca77eSGeorge Wilson while (spa->spa_async_thread != NULL || spa->spa_async_tasks) 1382573ca77eSGeorge Wilson cv_wait(&spa->spa_async_cv, &spa->spa_async_lock); 1383573ca77eSGeorge Wilson mutex_exit(&spa->spa_async_lock); 1384573ca77eSGeorge Wilson 1385573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 1386573ca77eSGeorge Wilson spa_newsize = spa_get_space(spa); 1387573ca77eSGeorge Wilson 1388573ca77eSGeorge Wilson /* 1389573ca77eSGeorge Wilson * Make sure we were able to grow the pool. 1390573ca77eSGeorge Wilson */ 1391573ca77eSGeorge Wilson if (ms_count >= tvd->vdev_ms_count || 1392573ca77eSGeorge Wilson spa_cursize >= spa_newsize) { 1393573ca77eSGeorge Wilson (void) printf("Top-level vdev metaslab count: " 1394573ca77eSGeorge Wilson "before %llu, after %llu\n", 1395573ca77eSGeorge Wilson (u_longlong_t)ms_count, 1396573ca77eSGeorge Wilson (u_longlong_t)tvd->vdev_ms_count); 1397573ca77eSGeorge Wilson fatal(0, "LUN expansion failed: before %llu, " 1398573ca77eSGeorge Wilson "after %llu\n", spa_cursize, spa_newsize); 1399573ca77eSGeorge Wilson } else if (zopt_verbose >= 5) { 1400573ca77eSGeorge Wilson char oldnumbuf[6], newnumbuf[6]; 1401573ca77eSGeorge Wilson 1402573ca77eSGeorge Wilson nicenum(spa_cursize, oldnumbuf); 1403573ca77eSGeorge Wilson nicenum(spa_newsize, newnumbuf); 1404573ca77eSGeorge Wilson (void) printf("%s grew from %s to %s\n", 1405573ca77eSGeorge Wilson spa->spa_name, oldnumbuf, newnumbuf); 1406573ca77eSGeorge Wilson } 1407573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 1408fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1409fa9e4066Sahrens } 1410fa9e4066Sahrens 1411fa9e4066Sahrens /* ARGSUSED */ 1412fa9e4066Sahrens static void 1413ecd6cf80Smarks ztest_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 1414fa9e4066Sahrens { 1415fa9e4066Sahrens /* 1416fa9e4066Sahrens * Create the directory object. 1417fa9e4066Sahrens */ 1418fa9e4066Sahrens VERIFY(dmu_object_claim(os, ZTEST_DIROBJ, 1419fa9e4066Sahrens DMU_OT_UINT64_OTHER, ZTEST_DIROBJ_BLOCKSIZE, 1420e05725b1Sbonwick DMU_OT_UINT64_OTHER, 5 * sizeof (ztest_block_tag_t), tx) == 0); 1421fa9e4066Sahrens 1422fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_MICROZAP_OBJ, 1423fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1424fa9e4066Sahrens 1425fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_FATZAP_OBJ, 1426fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1427fa9e4066Sahrens } 1428fa9e4066Sahrens 14291d452cf5Sahrens static int 1430fa9e4066Sahrens ztest_destroy_cb(char *name, void *arg) 1431fa9e4066Sahrens { 1432e05725b1Sbonwick ztest_args_t *za = arg; 1433fa9e4066Sahrens objset_t *os; 1434e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 1435fa9e4066Sahrens int error; 1436fa9e4066Sahrens 1437fa9e4066Sahrens /* 1438fa9e4066Sahrens * Verify that the dataset contains a directory object. 1439fa9e4066Sahrens */ 1440503ad85cSMatthew Ahrens error = dmu_objset_hold(name, FTAG, &os); 1441fa9e4066Sahrens ASSERT3U(error, ==, 0); 1442e05725b1Sbonwick error = dmu_object_info(os, ZTEST_DIROBJ, doi); 1443e1930233Sbonwick if (error != ENOENT) { 1444e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 1445e1930233Sbonwick ASSERT3U(error, ==, 0); 1446e05725b1Sbonwick ASSERT3U(doi->doi_type, ==, DMU_OT_UINT64_OTHER); 1447e05725b1Sbonwick ASSERT3S(doi->doi_physical_blks, >=, 0); 1448e1930233Sbonwick } 1449503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1450fa9e4066Sahrens 1451fa9e4066Sahrens /* 1452fa9e4066Sahrens * Destroy the dataset. 1453fa9e4066Sahrens */ 1454842727c2SChris Kirby error = dmu_objset_destroy(name, B_FALSE); 1455745cd3c5Smaybee if (error) { 1456503ad85cSMatthew Ahrens (void) dmu_objset_hold(name, FTAG, &os); 1457503ad85cSMatthew Ahrens fatal(0, "dmu_objset_destroy(os=%p) = %d\n", os, error); 1458745cd3c5Smaybee } 14591d452cf5Sahrens return (0); 1460fa9e4066Sahrens } 1461fa9e4066Sahrens 1462fa9e4066Sahrens /* 1463fa9e4066Sahrens * Verify that dmu_objset_{create,destroy,open,close} work as expected. 1464fa9e4066Sahrens */ 1465fa9e4066Sahrens static uint64_t 1466fa9e4066Sahrens ztest_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t object, int mode) 1467fa9e4066Sahrens { 1468fa9e4066Sahrens itx_t *itx; 1469fa9e4066Sahrens lr_create_t *lr; 1470fa9e4066Sahrens size_t namesize; 1471fa9e4066Sahrens char name[24]; 1472fa9e4066Sahrens 1473fa9e4066Sahrens (void) sprintf(name, "ZOBJ_%llu", (u_longlong_t)object); 1474fa9e4066Sahrens namesize = strlen(name) + 1; 1475fa9e4066Sahrens 1476fa9e4066Sahrens itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize + 1477fa9e4066Sahrens ztest_random(ZIL_MAX_BLKSZ)); 1478fa9e4066Sahrens lr = (lr_create_t *)&itx->itx_lr; 1479fa9e4066Sahrens bzero(lr + 1, lr->lr_common.lrc_reclen - sizeof (*lr)); 1480fa9e4066Sahrens lr->lr_doid = object; 1481fa9e4066Sahrens lr->lr_foid = 0; 1482fa9e4066Sahrens lr->lr_mode = mode; 1483fa9e4066Sahrens lr->lr_uid = 0; 1484fa9e4066Sahrens lr->lr_gid = 0; 1485fa9e4066Sahrens lr->lr_gen = dmu_tx_get_txg(tx); 1486fa9e4066Sahrens lr->lr_crtime[0] = time(NULL); 1487fa9e4066Sahrens lr->lr_crtime[1] = 0; 1488fa9e4066Sahrens lr->lr_rdev = 0; 1489fa9e4066Sahrens bcopy(name, (char *)(lr + 1), namesize); 1490fa9e4066Sahrens 1491fa9e4066Sahrens return (zil_itx_assign(zilog, itx, tx)); 1492fa9e4066Sahrens } 1493fa9e4066Sahrens 1494fa9e4066Sahrens void 1495fa9e4066Sahrens ztest_dmu_objset_create_destroy(ztest_args_t *za) 1496fa9e4066Sahrens { 1497fa9e4066Sahrens int error; 1498745cd3c5Smaybee objset_t *os, *os2; 1499fa9e4066Sahrens char name[100]; 1500fa9e4066Sahrens zilog_t *zilog; 1501fa9e4066Sahrens uint64_t seq; 1502fa9e4066Sahrens uint64_t objects; 1503fa9e4066Sahrens 1504fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1505fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_temp_%llu", za->za_pool, za->za_pool, 1506fa9e4066Sahrens (u_longlong_t)za->za_instance); 1507fa9e4066Sahrens 1508fa9e4066Sahrens /* 1509fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 1510fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 1511fa9e4066Sahrens * (invoked from ztest_destroy_cb() below) should just throw it away. 1512fa9e4066Sahrens */ 1513fa9e4066Sahrens if (ztest_random(2) == 0 && 1514503ad85cSMatthew Ahrens dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os) == 0) { 15151209a471SNeil Perrin zil_replay(os, os, ztest_replay_vector); 1516503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 1517fa9e4066Sahrens } 1518fa9e4066Sahrens 1519fa9e4066Sahrens /* 1520fa9e4066Sahrens * There may be an old instance of the dataset we're about to 1521fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 1522fa9e4066Sahrens * and all of its snapshots. 1523fa9e4066Sahrens */ 1524e05725b1Sbonwick (void) dmu_objset_find(name, ztest_destroy_cb, za, 15250b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 1526fa9e4066Sahrens 1527fa9e4066Sahrens /* 1528fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 1529fa9e4066Sahrens */ 1530503ad85cSMatthew Ahrens error = dmu_objset_hold(name, FTAG, &os); 1531fa9e4066Sahrens if (error != ENOENT) 1532fa9e4066Sahrens fatal(1, "dmu_objset_open(%s) found destroyed dataset %p", 1533fa9e4066Sahrens name, os); 1534fa9e4066Sahrens 1535fa9e4066Sahrens /* 1536fa9e4066Sahrens * Verify that we can create a new dataset. 1537fa9e4066Sahrens */ 1538ae46e4c7SMatthew Ahrens error = dmu_objset_create(name, DMU_OST_OTHER, 0, 1539ab04eb8eStimh ztest_create_cb, NULL); 1540fa9e4066Sahrens if (error) { 1541fa9e4066Sahrens if (error == ENOSPC) { 1542fa9e4066Sahrens ztest_record_enospc("dmu_objset_create"); 1543fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1544fa9e4066Sahrens return; 1545fa9e4066Sahrens } 1546fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 1547fa9e4066Sahrens } 1548fa9e4066Sahrens 1549503ad85cSMatthew Ahrens error = dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os); 1550fa9e4066Sahrens if (error) { 1551fa9e4066Sahrens fatal(0, "dmu_objset_open(%s) = %d", name, error); 1552fa9e4066Sahrens } 1553fa9e4066Sahrens 1554fa9e4066Sahrens /* 1555fa9e4066Sahrens * Open the intent log for it. 1556fa9e4066Sahrens */ 1557fa9e4066Sahrens zilog = zil_open(os, NULL); 1558fa9e4066Sahrens 1559fa9e4066Sahrens /* 1560fa9e4066Sahrens * Put a random number of objects in there. 1561fa9e4066Sahrens */ 1562d80c45e0Sbonwick objects = ztest_random(20); 1563fa9e4066Sahrens seq = 0; 1564fa9e4066Sahrens while (objects-- != 0) { 1565fa9e4066Sahrens uint64_t object; 1566fa9e4066Sahrens dmu_tx_t *tx = dmu_tx_create(os); 1567fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, sizeof (name)); 1568fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1569fa9e4066Sahrens if (error) { 1570fa9e4066Sahrens dmu_tx_abort(tx); 1571fa9e4066Sahrens } else { 1572fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1573fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1574fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1575fa9e4066Sahrens seq = ztest_log_create(zilog, tx, object, 1576fa9e4066Sahrens DMU_OT_UINT64_OTHER); 1577fa9e4066Sahrens dmu_write(os, object, 0, sizeof (name), name, tx); 1578fa9e4066Sahrens dmu_tx_commit(tx); 1579fa9e4066Sahrens } 1580fa9e4066Sahrens if (ztest_random(5) == 0) { 1581b19a79ecSperrin zil_commit(zilog, seq, object); 1582fa9e4066Sahrens } 1583d80c45e0Sbonwick if (ztest_random(100) == 0) { 1584fa9e4066Sahrens error = zil_suspend(zilog); 1585fa9e4066Sahrens if (error == 0) { 1586fa9e4066Sahrens zil_resume(zilog); 1587fa9e4066Sahrens } 1588fa9e4066Sahrens } 1589fa9e4066Sahrens } 1590fa9e4066Sahrens 1591fa9e4066Sahrens /* 1592fa9e4066Sahrens * Verify that we cannot create an existing dataset. 1593fa9e4066Sahrens */ 1594ae46e4c7SMatthew Ahrens error = dmu_objset_create(name, DMU_OST_OTHER, 0, NULL, NULL); 1595fa9e4066Sahrens if (error != EEXIST) 1596fa9e4066Sahrens fatal(0, "created existing dataset, error = %d", error); 1597fa9e4066Sahrens 1598fa9e4066Sahrens /* 1599503ad85cSMatthew Ahrens * Verify that we can hold an objset that is also owned. 1600745cd3c5Smaybee */ 1601503ad85cSMatthew Ahrens error = dmu_objset_hold(name, FTAG, &os2); 1602503ad85cSMatthew Ahrens if (error) 1603503ad85cSMatthew Ahrens fatal(0, "dmu_objset_open('%s') = %d", name, error); 1604503ad85cSMatthew Ahrens dmu_objset_rele(os2, FTAG); 1605503ad85cSMatthew Ahrens 1606503ad85cSMatthew Ahrens /* 1607503ad85cSMatthew Ahrens * Verify that we can not own an objset that is already owned. 1608503ad85cSMatthew Ahrens */ 1609503ad85cSMatthew Ahrens error = dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os2); 1610503ad85cSMatthew Ahrens if (error != EBUSY) 1611503ad85cSMatthew Ahrens fatal(0, "dmu_objset_open('%s') = %d, expected EBUSY", 1612503ad85cSMatthew Ahrens name, error); 1613fa9e4066Sahrens 1614fa9e4066Sahrens zil_close(zilog); 1615503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 1616fa9e4066Sahrens 1617842727c2SChris Kirby error = dmu_objset_destroy(name, B_FALSE); 1618fa9e4066Sahrens if (error) 1619fa9e4066Sahrens fatal(0, "dmu_objset_destroy(%s) = %d", name, error); 1620fa9e4066Sahrens 1621fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1622fa9e4066Sahrens } 1623fa9e4066Sahrens 1624fa9e4066Sahrens /* 1625fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 1626fa9e4066Sahrens */ 1627fa9e4066Sahrens void 1628fa9e4066Sahrens ztest_dmu_snapshot_create_destroy(ztest_args_t *za) 1629fa9e4066Sahrens { 1630fa9e4066Sahrens int error; 1631fa9e4066Sahrens objset_t *os = za->za_os; 1632fa9e4066Sahrens char snapname[100]; 1633fa9e4066Sahrens char osname[MAXNAMELEN]; 1634fa9e4066Sahrens 1635fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1636fa9e4066Sahrens dmu_objset_name(os, osname); 1637fa9e4066Sahrens (void) snprintf(snapname, 100, "%s@%llu", osname, 1638fa9e4066Sahrens (u_longlong_t)za->za_instance); 1639fa9e4066Sahrens 1640842727c2SChris Kirby error = dmu_objset_destroy(snapname, B_FALSE); 1641fa9e4066Sahrens if (error != 0 && error != ENOENT) 1642fa9e4066Sahrens fatal(0, "dmu_objset_destroy() = %d", error); 1643ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(osname, strchr(snapname, '@')+1, 1644ea2f5b9eSMatthew Ahrens NULL, FALSE); 1645fa9e4066Sahrens if (error == ENOSPC) 1646fa9e4066Sahrens ztest_record_enospc("dmu_take_snapshot"); 1647fa9e4066Sahrens else if (error != 0 && error != EEXIST) 1648fa9e4066Sahrens fatal(0, "dmu_take_snapshot() = %d", error); 1649fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 16504f5064b7SMark J Musante } 16514f5064b7SMark J Musante 1652718d718aSGeorge Wilson /* 1653718d718aSGeorge Wilson * Cleanup non-standard snapshots and clones. 1654718d718aSGeorge Wilson */ 1655718d718aSGeorge Wilson void 1656718d718aSGeorge Wilson ztest_dsl_dataset_cleanup(char *osname, uint64_t curval) 1657718d718aSGeorge Wilson { 1658718d718aSGeorge Wilson char snap1name[100]; 1659718d718aSGeorge Wilson char clone1name[100]; 1660718d718aSGeorge Wilson char snap2name[100]; 1661718d718aSGeorge Wilson char clone2name[100]; 1662718d718aSGeorge Wilson char snap3name[100]; 1663718d718aSGeorge Wilson int error; 1664718d718aSGeorge Wilson 1665718d718aSGeorge Wilson (void) snprintf(snap1name, 100, "%s@s1_%llu", osname, curval); 1666718d718aSGeorge Wilson (void) snprintf(clone1name, 100, "%s/c1_%llu", osname, curval); 1667718d718aSGeorge Wilson (void) snprintf(snap2name, 100, "%s@s2_%llu", clone1name, curval); 1668718d718aSGeorge Wilson (void) snprintf(clone2name, 100, "%s/c2_%llu", osname, curval); 1669718d718aSGeorge Wilson (void) snprintf(snap3name, 100, "%s@s3_%llu", clone1name, curval); 1670718d718aSGeorge Wilson 1671842727c2SChris Kirby error = dmu_objset_destroy(clone2name, B_FALSE); 1672718d718aSGeorge Wilson if (error && error != ENOENT) 1673718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone2name, error); 1674842727c2SChris Kirby error = dmu_objset_destroy(snap3name, B_FALSE); 1675718d718aSGeorge Wilson if (error && error != ENOENT) 1676718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap3name, error); 1677842727c2SChris Kirby error = dmu_objset_destroy(snap2name, B_FALSE); 1678718d718aSGeorge Wilson if (error && error != ENOENT) 1679718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error); 1680842727c2SChris Kirby error = dmu_objset_destroy(clone1name, B_FALSE); 1681718d718aSGeorge Wilson if (error && error != ENOENT) 1682718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone1name, error); 1683842727c2SChris Kirby error = dmu_objset_destroy(snap1name, B_FALSE); 1684718d718aSGeorge Wilson if (error && error != ENOENT) 1685718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap1name, error); 1686718d718aSGeorge Wilson } 1687718d718aSGeorge Wilson 16884f5064b7SMark J Musante /* 16894f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 16904f5064b7SMark J Musante */ 16914f5064b7SMark J Musante void 16924f5064b7SMark J Musante ztest_dsl_dataset_promote_busy(ztest_args_t *za) 16934f5064b7SMark J Musante { 16944f5064b7SMark J Musante int error; 16954f5064b7SMark J Musante objset_t *os = za->za_os; 16964f5064b7SMark J Musante objset_t *clone; 16974f5064b7SMark J Musante dsl_dataset_t *ds; 16984f5064b7SMark J Musante char snap1name[100]; 16994f5064b7SMark J Musante char clone1name[100]; 17004f5064b7SMark J Musante char snap2name[100]; 17014f5064b7SMark J Musante char clone2name[100]; 17024f5064b7SMark J Musante char snap3name[100]; 17034f5064b7SMark J Musante char osname[MAXNAMELEN]; 1704718d718aSGeorge Wilson uint64_t curval = za->za_instance; 17054f5064b7SMark J Musante 17064f5064b7SMark J Musante (void) rw_rdlock(&ztest_shared->zs_name_lock); 17074f5064b7SMark J Musante 17084f5064b7SMark J Musante dmu_objset_name(os, osname); 1709718d718aSGeorge Wilson ztest_dsl_dataset_cleanup(osname, curval); 1710718d718aSGeorge Wilson 171105312e2cSMark J Musante (void) snprintf(snap1name, 100, "%s@s1_%llu", osname, curval); 171205312e2cSMark J Musante (void) snprintf(clone1name, 100, "%s/c1_%llu", osname, curval); 171305312e2cSMark J Musante (void) snprintf(snap2name, 100, "%s@s2_%llu", clone1name, curval); 171405312e2cSMark J Musante (void) snprintf(clone2name, 100, "%s/c2_%llu", osname, curval); 171505312e2cSMark J Musante (void) snprintf(snap3name, 100, "%s@s3_%llu", clone1name, curval); 171605312e2cSMark J Musante 1717ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(osname, strchr(snap1name, '@')+1, 1718ea2f5b9eSMatthew Ahrens NULL, FALSE); 1719b2d22b66SGeorge Wilson if (error && error != EEXIST) { 1720b2d22b66SGeorge Wilson if (error == ENOSPC) { 1721b2d22b66SGeorge Wilson ztest_record_enospc("dmu_take_snapshot"); 1722b2d22b66SGeorge Wilson goto out; 1723b2d22b66SGeorge Wilson } 1724b2d22b66SGeorge Wilson fatal(0, "dmu_take_snapshot(%s) = %d", snap1name, error); 1725b2d22b66SGeorge Wilson } 17264f5064b7SMark J Musante 1727503ad85cSMatthew Ahrens error = dmu_objset_hold(snap1name, FTAG, &clone); 17284f5064b7SMark J Musante if (error) 17294f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap1name, error); 17304f5064b7SMark J Musante 1731ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone1name, dmu_objset_ds(clone), 0); 1732503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 1733b2d22b66SGeorge Wilson if (error) { 1734b2d22b66SGeorge Wilson if (error == ENOSPC) { 1735b2d22b66SGeorge Wilson ztest_record_enospc("dmu_objset_create"); 1736b2d22b66SGeorge Wilson goto out; 1737b2d22b66SGeorge Wilson } 1738b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 1739b2d22b66SGeorge Wilson } 17404f5064b7SMark J Musante 17414f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap2name, '@')+1, 1742ea2f5b9eSMatthew Ahrens NULL, FALSE); 1743b2d22b66SGeorge Wilson if (error && error != EEXIST) { 1744b2d22b66SGeorge Wilson if (error == ENOSPC) { 1745b2d22b66SGeorge Wilson ztest_record_enospc("dmu_take_snapshot"); 1746b2d22b66SGeorge Wilson goto out; 1747b2d22b66SGeorge Wilson } 1748b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap2name, error); 1749b2d22b66SGeorge Wilson } 17504f5064b7SMark J Musante 17514f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap3name, '@')+1, 1752ea2f5b9eSMatthew Ahrens NULL, FALSE); 1753b2d22b66SGeorge Wilson if (error && error != EEXIST) { 1754b2d22b66SGeorge Wilson if (error == ENOSPC) { 1755b2d22b66SGeorge Wilson ztest_record_enospc("dmu_take_snapshot"); 1756b2d22b66SGeorge Wilson goto out; 1757b2d22b66SGeorge Wilson } 1758b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 1759b2d22b66SGeorge Wilson } 17604f5064b7SMark J Musante 1761503ad85cSMatthew Ahrens error = dmu_objset_hold(snap3name, FTAG, &clone); 17624f5064b7SMark J Musante if (error) 17634f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 17644f5064b7SMark J Musante 1765ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone2name, dmu_objset_ds(clone), 0); 1766503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 1767b2d22b66SGeorge Wilson if (error) { 1768b2d22b66SGeorge Wilson if (error == ENOSPC) { 1769b2d22b66SGeorge Wilson ztest_record_enospc("dmu_objset_create"); 1770b2d22b66SGeorge Wilson goto out; 1771b2d22b66SGeorge Wilson } 1772b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 1773b2d22b66SGeorge Wilson } 17744f5064b7SMark J Musante 1775503ad85cSMatthew Ahrens error = dsl_dataset_own(snap1name, B_FALSE, FTAG, &ds); 17764f5064b7SMark J Musante if (error) 17774f5064b7SMark J Musante fatal(0, "dsl_dataset_own(%s) = %d", snap1name, error); 1778681d9761SEric Taylor error = dsl_dataset_promote(clone2name, NULL); 17794f5064b7SMark J Musante if (error != EBUSY) 17804f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 17814f5064b7SMark J Musante error); 17824f5064b7SMark J Musante dsl_dataset_disown(ds, FTAG); 17834f5064b7SMark J Musante 1784b2d22b66SGeorge Wilson out: 1785718d718aSGeorge Wilson ztest_dsl_dataset_cleanup(osname, curval); 17864f5064b7SMark J Musante 17874f5064b7SMark J Musante (void) rw_unlock(&ztest_shared->zs_name_lock); 1788fa9e4066Sahrens } 1789fa9e4066Sahrens 1790fa9e4066Sahrens /* 1791fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 1792fa9e4066Sahrens */ 1793fa9e4066Sahrens void 1794fa9e4066Sahrens ztest_dmu_object_alloc_free(ztest_args_t *za) 1795fa9e4066Sahrens { 1796fa9e4066Sahrens objset_t *os = za->za_os; 1797fa9e4066Sahrens dmu_buf_t *db; 1798fa9e4066Sahrens dmu_tx_t *tx; 1799fa9e4066Sahrens uint64_t batchobj, object, batchsize, endoff, temp; 1800fa9e4066Sahrens int b, c, error, bonuslen; 1801e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 1802fa9e4066Sahrens char osname[MAXNAMELEN]; 1803fa9e4066Sahrens 1804fa9e4066Sahrens dmu_objset_name(os, osname); 1805fa9e4066Sahrens 1806fa9e4066Sahrens endoff = -8ULL; 1807fa9e4066Sahrens batchsize = 2; 1808fa9e4066Sahrens 1809fa9e4066Sahrens /* 1810fa9e4066Sahrens * Create a batch object if necessary, and record it in the directory. 1811fa9e4066Sahrens */ 1812e14bb325SJeff Bonwick VERIFY3U(0, ==, dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 18137bfdf011SNeil Perrin sizeof (uint64_t), &batchobj, DMU_READ_PREFETCH)); 1814fa9e4066Sahrens if (batchobj == 0) { 1815fa9e4066Sahrens tx = dmu_tx_create(os); 1816fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 1817fa9e4066Sahrens sizeof (uint64_t)); 1818fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1819fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1820fa9e4066Sahrens if (error) { 1821fa9e4066Sahrens ztest_record_enospc("create a batch object"); 1822fa9e4066Sahrens dmu_tx_abort(tx); 1823fa9e4066Sahrens return; 1824fa9e4066Sahrens } 1825fa9e4066Sahrens batchobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1826fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1827fa9e4066Sahrens ztest_set_random_blocksize(os, batchobj, tx); 1828fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 1829fa9e4066Sahrens sizeof (uint64_t), &batchobj, tx); 1830fa9e4066Sahrens dmu_tx_commit(tx); 1831fa9e4066Sahrens } 1832fa9e4066Sahrens 1833fa9e4066Sahrens /* 1834fa9e4066Sahrens * Destroy the previous batch of objects. 1835fa9e4066Sahrens */ 1836fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1837088f3894Sahrens VERIFY3U(0, ==, dmu_read(os, batchobj, b * sizeof (uint64_t), 18387bfdf011SNeil Perrin sizeof (uint64_t), &object, DMU_READ_PREFETCH)); 1839fa9e4066Sahrens if (object == 0) 1840fa9e4066Sahrens continue; 1841fa9e4066Sahrens /* 1842fa9e4066Sahrens * Read and validate contents. 1843fa9e4066Sahrens * We expect the nth byte of the bonus buffer to be n. 1844fa9e4066Sahrens */ 1845ea8dc4b6Seschrock VERIFY(0 == dmu_bonus_hold(os, object, FTAG, &db)); 1846e05725b1Sbonwick za->za_dbuf = db; 1847fa9e4066Sahrens 1848e05725b1Sbonwick dmu_object_info_from_db(db, doi); 1849e05725b1Sbonwick ASSERT(doi->doi_type == DMU_OT_UINT64_OTHER); 1850e05725b1Sbonwick ASSERT(doi->doi_bonus_type == DMU_OT_PLAIN_OTHER); 1851e05725b1Sbonwick ASSERT3S(doi->doi_physical_blks, >=, 0); 1852fa9e4066Sahrens 1853e05725b1Sbonwick bonuslen = doi->doi_bonus_size; 1854fa9e4066Sahrens 1855fa9e4066Sahrens for (c = 0; c < bonuslen; c++) { 1856fa9e4066Sahrens if (((uint8_t *)db->db_data)[c] != 1857fa9e4066Sahrens (uint8_t)(c + bonuslen)) { 1858fa9e4066Sahrens fatal(0, 1859fa9e4066Sahrens "bad bonus: %s, obj %llu, off %d: %u != %u", 1860fa9e4066Sahrens osname, object, c, 1861fa9e4066Sahrens ((uint8_t *)db->db_data)[c], 1862fa9e4066Sahrens (uint8_t)(c + bonuslen)); 1863fa9e4066Sahrens } 1864fa9e4066Sahrens } 1865fa9e4066Sahrens 1866ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1867e05725b1Sbonwick za->za_dbuf = NULL; 1868fa9e4066Sahrens 1869fa9e4066Sahrens /* 1870fa9e4066Sahrens * We expect the word at endoff to be our object number. 1871fa9e4066Sahrens */ 1872ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, object, endoff, 18737bfdf011SNeil Perrin sizeof (uint64_t), &temp, DMU_READ_PREFETCH)); 1874fa9e4066Sahrens 1875fa9e4066Sahrens if (temp != object) { 1876fa9e4066Sahrens fatal(0, "bad data in %s, got %llu, expected %llu", 1877fa9e4066Sahrens osname, temp, object); 1878fa9e4066Sahrens } 1879fa9e4066Sahrens 1880fa9e4066Sahrens /* 1881fa9e4066Sahrens * Destroy old object and clear batch entry. 1882fa9e4066Sahrens */ 1883fa9e4066Sahrens tx = dmu_tx_create(os); 1884fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, 1885fa9e4066Sahrens b * sizeof (uint64_t), sizeof (uint64_t)); 1886fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1887fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1888fa9e4066Sahrens if (error) { 1889fa9e4066Sahrens ztest_record_enospc("free object"); 1890fa9e4066Sahrens dmu_tx_abort(tx); 1891fa9e4066Sahrens return; 1892fa9e4066Sahrens } 1893fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1894fa9e4066Sahrens if (error) { 1895fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1896fa9e4066Sahrens osname, object, error); 1897fa9e4066Sahrens } 1898fa9e4066Sahrens object = 0; 1899fa9e4066Sahrens 1900fa9e4066Sahrens dmu_object_set_checksum(os, batchobj, 1901fa9e4066Sahrens ztest_random_checksum(), tx); 1902fa9e4066Sahrens dmu_object_set_compress(os, batchobj, 1903fa9e4066Sahrens ztest_random_compress(), tx); 1904fa9e4066Sahrens 1905fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1906fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1907fa9e4066Sahrens 1908fa9e4066Sahrens dmu_tx_commit(tx); 1909fa9e4066Sahrens } 1910fa9e4066Sahrens 1911fa9e4066Sahrens /* 1912fa9e4066Sahrens * Before creating the new batch of objects, generate a bunch of churn. 1913fa9e4066Sahrens */ 1914fa9e4066Sahrens for (b = ztest_random(100); b > 0; b--) { 1915fa9e4066Sahrens tx = dmu_tx_create(os); 1916fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1917fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1918fa9e4066Sahrens if (error) { 1919fa9e4066Sahrens ztest_record_enospc("churn objects"); 1920fa9e4066Sahrens dmu_tx_abort(tx); 1921fa9e4066Sahrens return; 1922fa9e4066Sahrens } 1923fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1924fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1925fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1926fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1927fa9e4066Sahrens if (error) { 1928fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1929fa9e4066Sahrens osname, object, error); 1930fa9e4066Sahrens } 1931fa9e4066Sahrens dmu_tx_commit(tx); 1932fa9e4066Sahrens } 1933fa9e4066Sahrens 1934fa9e4066Sahrens /* 1935fa9e4066Sahrens * Create a new batch of objects with randomly chosen 1936fa9e4066Sahrens * blocksizes and record them in the batch directory. 1937fa9e4066Sahrens */ 1938fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1939fa9e4066Sahrens uint32_t va_blksize; 1940fa9e4066Sahrens u_longlong_t va_nblocks; 1941fa9e4066Sahrens 1942fa9e4066Sahrens tx = dmu_tx_create(os); 1943fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, b * sizeof (uint64_t), 1944fa9e4066Sahrens sizeof (uint64_t)); 1945fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1946fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, endoff, 1947fa9e4066Sahrens sizeof (uint64_t)); 1948fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1949fa9e4066Sahrens if (error) { 1950fa9e4066Sahrens ztest_record_enospc("create batchobj"); 1951fa9e4066Sahrens dmu_tx_abort(tx); 1952fa9e4066Sahrens return; 1953fa9e4066Sahrens } 1954fa9e4066Sahrens bonuslen = (int)ztest_random(dmu_bonus_max()) + 1; 1955fa9e4066Sahrens 1956fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1957fa9e4066Sahrens DMU_OT_PLAIN_OTHER, bonuslen, tx); 1958fa9e4066Sahrens 1959fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1960fa9e4066Sahrens 1961fa9e4066Sahrens dmu_object_set_checksum(os, object, 1962fa9e4066Sahrens ztest_random_checksum(), tx); 1963fa9e4066Sahrens dmu_object_set_compress(os, object, 1964fa9e4066Sahrens ztest_random_compress(), tx); 1965fa9e4066Sahrens 1966fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1967fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1968fa9e4066Sahrens 1969fa9e4066Sahrens /* 1970fa9e4066Sahrens * Write to both the bonus buffer and the regular data. 1971fa9e4066Sahrens */ 1972e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, object, FTAG, &db) == 0); 1973e05725b1Sbonwick za->za_dbuf = db; 19741934e92fSmaybee ASSERT3U(bonuslen, <=, db->db_size); 1975fa9e4066Sahrens 1976fa9e4066Sahrens dmu_object_size_from_db(db, &va_blksize, &va_nblocks); 1977fa9e4066Sahrens ASSERT3S(va_nblocks, >=, 0); 1978fa9e4066Sahrens 1979fa9e4066Sahrens dmu_buf_will_dirty(db, tx); 1980fa9e4066Sahrens 1981fa9e4066Sahrens /* 1982fa9e4066Sahrens * See comments above regarding the contents of 1983fa9e4066Sahrens * the bonus buffer and the word at endoff. 1984fa9e4066Sahrens */ 19851934e92fSmaybee for (c = 0; c < bonuslen; c++) 1986fa9e4066Sahrens ((uint8_t *)db->db_data)[c] = (uint8_t)(c + bonuslen); 1987fa9e4066Sahrens 1988ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1989e05725b1Sbonwick za->za_dbuf = NULL; 1990fa9e4066Sahrens 1991fa9e4066Sahrens /* 1992fa9e4066Sahrens * Write to a large offset to increase indirection. 1993fa9e4066Sahrens */ 1994fa9e4066Sahrens dmu_write(os, object, endoff, sizeof (uint64_t), &object, tx); 1995fa9e4066Sahrens 1996fa9e4066Sahrens dmu_tx_commit(tx); 1997fa9e4066Sahrens } 1998fa9e4066Sahrens } 1999fa9e4066Sahrens 2000fa9e4066Sahrens /* 2001fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 2002fa9e4066Sahrens */ 2003fa9e4066Sahrens typedef struct bufwad { 2004fa9e4066Sahrens uint64_t bw_index; 2005fa9e4066Sahrens uint64_t bw_txg; 2006fa9e4066Sahrens uint64_t bw_data; 2007fa9e4066Sahrens } bufwad_t; 2008fa9e4066Sahrens 2009fa9e4066Sahrens typedef struct dmu_read_write_dir { 2010fa9e4066Sahrens uint64_t dd_packobj; 2011fa9e4066Sahrens uint64_t dd_bigobj; 2012fa9e4066Sahrens uint64_t dd_chunk; 2013fa9e4066Sahrens } dmu_read_write_dir_t; 2014fa9e4066Sahrens 2015fa9e4066Sahrens void 2016fa9e4066Sahrens ztest_dmu_read_write(ztest_args_t *za) 2017fa9e4066Sahrens { 2018fa9e4066Sahrens objset_t *os = za->za_os; 2019fa9e4066Sahrens dmu_read_write_dir_t dd; 2020fa9e4066Sahrens dmu_tx_t *tx; 2021fa9e4066Sahrens int i, freeit, error; 2022fa9e4066Sahrens uint64_t n, s, txg; 2023fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 2024fa9e4066Sahrens uint64_t packoff, packsize, bigoff, bigsize; 2025fa9e4066Sahrens uint64_t regions = 997; 2026fa9e4066Sahrens uint64_t stride = 123456789ULL; 2027fa9e4066Sahrens uint64_t width = 40; 2028fa9e4066Sahrens int free_percent = 5; 2029fa9e4066Sahrens 2030fa9e4066Sahrens /* 2031fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 2032fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 2033fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 2034fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 2035fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 2036fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 2037fa9e4066Sahrens * 2038fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 2039fa9e4066Sahrens * bigobj, at the head of the nth chunk 2040fa9e4066Sahrens * bigobj, at the tail of the nth chunk 2041fa9e4066Sahrens * 2042fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 2043fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 2044fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 2045fa9e4066Sahrens * 2046fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 2047fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 2048fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 2049fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 2050fa9e4066Sahrens * tracking which parts of an object are allocated and free, 2051fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 2052fa9e4066Sahrens */ 2053fa9e4066Sahrens 2054fa9e4066Sahrens /* 2055fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 2056fa9e4066Sahrens */ 2057ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 20587bfdf011SNeil Perrin sizeof (dd), &dd, DMU_READ_PREFETCH)); 2059fa9e4066Sahrens if (dd.dd_chunk == 0) { 2060fa9e4066Sahrens ASSERT(dd.dd_packobj == 0); 2061fa9e4066Sahrens ASSERT(dd.dd_bigobj == 0); 2062fa9e4066Sahrens tx = dmu_tx_create(os); 2063fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (dd)); 2064fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 2065fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2066fa9e4066Sahrens if (error) { 2067fa9e4066Sahrens ztest_record_enospc("create r/w directory"); 2068fa9e4066Sahrens dmu_tx_abort(tx); 2069fa9e4066Sahrens return; 2070fa9e4066Sahrens } 2071fa9e4066Sahrens 2072fa9e4066Sahrens dd.dd_packobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 2073fa9e4066Sahrens DMU_OT_NONE, 0, tx); 2074fa9e4066Sahrens dd.dd_bigobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 2075fa9e4066Sahrens DMU_OT_NONE, 0, tx); 2076fa9e4066Sahrens dd.dd_chunk = (1000 + ztest_random(1000)) * sizeof (uint64_t); 2077fa9e4066Sahrens 2078fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_packobj, tx); 2079fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_bigobj, tx); 2080fa9e4066Sahrens 2081fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (dd), &dd, 2082fa9e4066Sahrens tx); 2083fa9e4066Sahrens dmu_tx_commit(tx); 2084fa9e4066Sahrens } 2085fa9e4066Sahrens 2086fa9e4066Sahrens /* 2087fa9e4066Sahrens * Prefetch a random chunk of the big object. 2088fa9e4066Sahrens * Our aim here is to get some async reads in flight 2089fa9e4066Sahrens * for blocks that we may free below; the DMU should 2090fa9e4066Sahrens * handle this race correctly. 2091fa9e4066Sahrens */ 2092fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 2093fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 2094fa9e4066Sahrens dmu_prefetch(os, dd.dd_bigobj, n * dd.dd_chunk, s * dd.dd_chunk); 2095fa9e4066Sahrens 2096fa9e4066Sahrens /* 2097fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 2098fa9e4066Sahrens */ 2099fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 2100fa9e4066Sahrens s = 1 + ztest_random(width - 1); 2101fa9e4066Sahrens 2102fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 2103fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 2104fa9e4066Sahrens 2105fa9e4066Sahrens bigoff = n * dd.dd_chunk; 2106fa9e4066Sahrens bigsize = s * dd.dd_chunk; 2107fa9e4066Sahrens 2108fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 2109fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 2110fa9e4066Sahrens 2111fa9e4066Sahrens /* 2112fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 2113fa9e4066Sahrens * overwriting it. 2114fa9e4066Sahrens */ 2115fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 2116fa9e4066Sahrens 2117fa9e4066Sahrens /* 2118fa9e4066Sahrens * Read the current contents of our objects. 2119fa9e4066Sahrens */ 21207bfdf011SNeil Perrin error = dmu_read(os, dd.dd_packobj, packoff, packsize, packbuf, 21217bfdf011SNeil Perrin DMU_READ_PREFETCH); 2122ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 21237bfdf011SNeil Perrin error = dmu_read(os, dd.dd_bigobj, bigoff, bigsize, bigbuf, 21247bfdf011SNeil Perrin DMU_READ_PREFETCH); 2125ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 2126fa9e4066Sahrens 2127fa9e4066Sahrens /* 2128fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 2129fa9e4066Sahrens */ 2130fa9e4066Sahrens tx = dmu_tx_create(os); 2131fa9e4066Sahrens 2132fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_packobj, packoff, packsize); 2133fa9e4066Sahrens 2134fa9e4066Sahrens if (freeit) 2135fa9e4066Sahrens dmu_tx_hold_free(tx, dd.dd_bigobj, bigoff, bigsize); 2136fa9e4066Sahrens else 2137fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_bigobj, bigoff, bigsize); 2138fa9e4066Sahrens 2139fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2140fa9e4066Sahrens 2141fa9e4066Sahrens if (error) { 2142fa9e4066Sahrens ztest_record_enospc("dmu r/w range"); 2143fa9e4066Sahrens dmu_tx_abort(tx); 2144fa9e4066Sahrens umem_free(packbuf, packsize); 2145fa9e4066Sahrens umem_free(bigbuf, bigsize); 2146fa9e4066Sahrens return; 2147fa9e4066Sahrens } 2148fa9e4066Sahrens 2149fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 2150fa9e4066Sahrens 2151fa9e4066Sahrens /* 2152fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 2153fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 2154fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 2155fa9e4066Sahrens * with the new values we want to write out. 2156fa9e4066Sahrens */ 2157fa9e4066Sahrens for (i = 0; i < s; i++) { 2158fa9e4066Sahrens /* LINTED */ 2159fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 2160fa9e4066Sahrens /* LINTED */ 2161fa9e4066Sahrens bigH = (bufwad_t *)((char *)bigbuf + i * dd.dd_chunk); 2162fa9e4066Sahrens /* LINTED */ 2163fa9e4066Sahrens bigT = (bufwad_t *)((char *)bigH + dd.dd_chunk) - 1; 2164fa9e4066Sahrens 2165fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 2166fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 2167fa9e4066Sahrens 2168fa9e4066Sahrens if (pack->bw_txg > txg) 2169fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 2170fa9e4066Sahrens pack->bw_txg, txg); 2171fa9e4066Sahrens 2172fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 2173fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 2174fa9e4066Sahrens pack->bw_index, n, i); 2175fa9e4066Sahrens 2176fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 2177fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 2178fa9e4066Sahrens 2179fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 2180fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 2181fa9e4066Sahrens 2182fa9e4066Sahrens if (freeit) { 2183fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 2184fa9e4066Sahrens } else { 2185fa9e4066Sahrens pack->bw_index = n + i; 2186fa9e4066Sahrens pack->bw_txg = txg; 2187fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 2188fa9e4066Sahrens } 2189fa9e4066Sahrens *bigH = *pack; 2190fa9e4066Sahrens *bigT = *pack; 2191fa9e4066Sahrens } 2192fa9e4066Sahrens 2193fa9e4066Sahrens /* 2194fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 2195fa9e4066Sahrens * Now write them out. 2196fa9e4066Sahrens */ 2197fa9e4066Sahrens dmu_write(os, dd.dd_packobj, packoff, packsize, packbuf, tx); 2198fa9e4066Sahrens 2199fa9e4066Sahrens if (freeit) { 2200fa9e4066Sahrens if (zopt_verbose >= 6) { 2201fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 2202fa9e4066Sahrens " txg %llx\n", 2203fa9e4066Sahrens (u_longlong_t)bigoff, 2204fa9e4066Sahrens (u_longlong_t)bigsize, 2205fa9e4066Sahrens (u_longlong_t)txg); 2206fa9e4066Sahrens } 2207ea8dc4b6Seschrock VERIFY(0 == dmu_free_range(os, dd.dd_bigobj, bigoff, 2208ea8dc4b6Seschrock bigsize, tx)); 2209fa9e4066Sahrens } else { 2210fa9e4066Sahrens if (zopt_verbose >= 6) { 2211fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 2212fa9e4066Sahrens " txg %llx\n", 2213fa9e4066Sahrens (u_longlong_t)bigoff, 2214fa9e4066Sahrens (u_longlong_t)bigsize, 2215fa9e4066Sahrens (u_longlong_t)txg); 2216fa9e4066Sahrens } 2217fa9e4066Sahrens dmu_write(os, dd.dd_bigobj, bigoff, bigsize, bigbuf, tx); 2218fa9e4066Sahrens } 2219fa9e4066Sahrens 2220fa9e4066Sahrens dmu_tx_commit(tx); 2221fa9e4066Sahrens 2222fa9e4066Sahrens /* 2223fa9e4066Sahrens * Sanity check the stuff we just wrote. 2224fa9e4066Sahrens */ 2225fa9e4066Sahrens { 2226fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 2227fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 2228fa9e4066Sahrens 2229ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, dd.dd_packobj, packoff, 22307bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 2231ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, dd.dd_bigobj, bigoff, 22327bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 2233fa9e4066Sahrens 2234fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 2235fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 2236fa9e4066Sahrens 2237fa9e4066Sahrens umem_free(packcheck, packsize); 2238fa9e4066Sahrens umem_free(bigcheck, bigsize); 2239fa9e4066Sahrens } 2240fa9e4066Sahrens 2241fa9e4066Sahrens umem_free(packbuf, packsize); 2242fa9e4066Sahrens umem_free(bigbuf, bigsize); 2243fa9e4066Sahrens } 2244fa9e4066Sahrens 22452fdbea25SAleksandr Guzovskiy void 22462fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(uint64_t s, bufwad_t *packbuf, bufwad_t *bigbuf, 22472fdbea25SAleksandr Guzovskiy uint64_t bigsize, uint64_t n, dmu_read_write_dir_t dd, uint64_t txg) 22482fdbea25SAleksandr Guzovskiy { 22492fdbea25SAleksandr Guzovskiy uint64_t i; 22502fdbea25SAleksandr Guzovskiy bufwad_t *pack; 22512fdbea25SAleksandr Guzovskiy bufwad_t *bigH; 22522fdbea25SAleksandr Guzovskiy bufwad_t *bigT; 22532fdbea25SAleksandr Guzovskiy 22542fdbea25SAleksandr Guzovskiy /* 22552fdbea25SAleksandr Guzovskiy * For each index from n to n + s, verify that the existing bufwad 22562fdbea25SAleksandr Guzovskiy * in packobj matches the bufwads at the head and tail of the 22572fdbea25SAleksandr Guzovskiy * corresponding chunk in bigobj. Then update all three bufwads 22582fdbea25SAleksandr Guzovskiy * with the new values we want to write out. 22592fdbea25SAleksandr Guzovskiy */ 22602fdbea25SAleksandr Guzovskiy for (i = 0; i < s; i++) { 22612fdbea25SAleksandr Guzovskiy /* LINTED */ 22622fdbea25SAleksandr Guzovskiy pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 22632fdbea25SAleksandr Guzovskiy /* LINTED */ 22642fdbea25SAleksandr Guzovskiy bigH = (bufwad_t *)((char *)bigbuf + i * dd.dd_chunk); 22652fdbea25SAleksandr Guzovskiy /* LINTED */ 22662fdbea25SAleksandr Guzovskiy bigT = (bufwad_t *)((char *)bigH + dd.dd_chunk) - 1; 22672fdbea25SAleksandr Guzovskiy 22682fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 22692fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 22702fdbea25SAleksandr Guzovskiy 22712fdbea25SAleksandr Guzovskiy if (pack->bw_txg > txg) 22722fdbea25SAleksandr Guzovskiy fatal(0, "future leak: got %llx, open txg is %llx", 22732fdbea25SAleksandr Guzovskiy pack->bw_txg, txg); 22742fdbea25SAleksandr Guzovskiy 22752fdbea25SAleksandr Guzovskiy if (pack->bw_data != 0 && pack->bw_index != n + i) 22762fdbea25SAleksandr Guzovskiy fatal(0, "wrong index: got %llx, wanted %llx+%llx", 22772fdbea25SAleksandr Guzovskiy pack->bw_index, n, i); 22782fdbea25SAleksandr Guzovskiy 22792fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 22802fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 22812fdbea25SAleksandr Guzovskiy 22822fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 22832fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 22842fdbea25SAleksandr Guzovskiy 22852fdbea25SAleksandr Guzovskiy pack->bw_index = n + i; 22862fdbea25SAleksandr Guzovskiy pack->bw_txg = txg; 22872fdbea25SAleksandr Guzovskiy pack->bw_data = 1 + ztest_random(-2ULL); 22882fdbea25SAleksandr Guzovskiy 22892fdbea25SAleksandr Guzovskiy *bigH = *pack; 22902fdbea25SAleksandr Guzovskiy *bigT = *pack; 22912fdbea25SAleksandr Guzovskiy } 22922fdbea25SAleksandr Guzovskiy } 22932fdbea25SAleksandr Guzovskiy 22942fdbea25SAleksandr Guzovskiy void 22952fdbea25SAleksandr Guzovskiy ztest_dmu_read_write_zcopy(ztest_args_t *za) 22962fdbea25SAleksandr Guzovskiy { 22972fdbea25SAleksandr Guzovskiy objset_t *os = za->za_os; 22982fdbea25SAleksandr Guzovskiy dmu_read_write_dir_t dd; 22992fdbea25SAleksandr Guzovskiy dmu_tx_t *tx; 23002fdbea25SAleksandr Guzovskiy uint64_t i; 23012fdbea25SAleksandr Guzovskiy int error; 23022fdbea25SAleksandr Guzovskiy uint64_t n, s, txg; 23032fdbea25SAleksandr Guzovskiy bufwad_t *packbuf, *bigbuf; 23042fdbea25SAleksandr Guzovskiy uint64_t packoff, packsize, bigoff, bigsize; 23052fdbea25SAleksandr Guzovskiy uint64_t regions = 997; 23062fdbea25SAleksandr Guzovskiy uint64_t stride = 123456789ULL; 23072fdbea25SAleksandr Guzovskiy uint64_t width = 9; 23082fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 23092fdbea25SAleksandr Guzovskiy arc_buf_t **bigbuf_arcbufs; 23102fdbea25SAleksandr Guzovskiy dmu_object_info_t *doi = &za->za_doi; 23112fdbea25SAleksandr Guzovskiy 23122fdbea25SAleksandr Guzovskiy /* 23132fdbea25SAleksandr Guzovskiy * This test uses two objects, packobj and bigobj, that are always 23142fdbea25SAleksandr Guzovskiy * updated together (i.e. in the same tx) so that their contents are 23152fdbea25SAleksandr Guzovskiy * in sync and can be compared. Their contents relate to each other 23162fdbea25SAleksandr Guzovskiy * in a simple way: packobj is a dense array of 'bufwad' structures, 23172fdbea25SAleksandr Guzovskiy * while bigobj is a sparse array of the same bufwads. Specifically, 23182fdbea25SAleksandr Guzovskiy * for any index n, there are three bufwads that should be identical: 23192fdbea25SAleksandr Guzovskiy * 23202fdbea25SAleksandr Guzovskiy * packobj, at offset n * sizeof (bufwad_t) 23212fdbea25SAleksandr Guzovskiy * bigobj, at the head of the nth chunk 23222fdbea25SAleksandr Guzovskiy * bigobj, at the tail of the nth chunk 23232fdbea25SAleksandr Guzovskiy * 23242fdbea25SAleksandr Guzovskiy * The chunk size is set equal to bigobj block size so that 23252fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() can be tested for object updates. 23262fdbea25SAleksandr Guzovskiy */ 23272fdbea25SAleksandr Guzovskiy 23282fdbea25SAleksandr Guzovskiy /* 23292fdbea25SAleksandr Guzovskiy * Read the directory info. If it's the first time, set things up. 23302fdbea25SAleksandr Guzovskiy */ 23312fdbea25SAleksandr Guzovskiy VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 23327bfdf011SNeil Perrin sizeof (dd), &dd, DMU_READ_PREFETCH)); 23332fdbea25SAleksandr Guzovskiy if (dd.dd_chunk == 0) { 23342fdbea25SAleksandr Guzovskiy ASSERT(dd.dd_packobj == 0); 23352fdbea25SAleksandr Guzovskiy ASSERT(dd.dd_bigobj == 0); 23362fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 23372fdbea25SAleksandr Guzovskiy dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (dd)); 23382fdbea25SAleksandr Guzovskiy dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 23392fdbea25SAleksandr Guzovskiy error = dmu_tx_assign(tx, TXG_WAIT); 23402fdbea25SAleksandr Guzovskiy if (error) { 23412fdbea25SAleksandr Guzovskiy ztest_record_enospc("create r/w directory"); 23422fdbea25SAleksandr Guzovskiy dmu_tx_abort(tx); 23432fdbea25SAleksandr Guzovskiy return; 23442fdbea25SAleksandr Guzovskiy } 23452fdbea25SAleksandr Guzovskiy 23462fdbea25SAleksandr Guzovskiy dd.dd_packobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 23472fdbea25SAleksandr Guzovskiy DMU_OT_NONE, 0, tx); 23482fdbea25SAleksandr Guzovskiy dd.dd_bigobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 23492fdbea25SAleksandr Guzovskiy DMU_OT_NONE, 0, tx); 23502fdbea25SAleksandr Guzovskiy ztest_set_random_blocksize(os, dd.dd_packobj, tx); 23512fdbea25SAleksandr Guzovskiy ztest_set_random_blocksize(os, dd.dd_bigobj, tx); 23522fdbea25SAleksandr Guzovskiy 23532fdbea25SAleksandr Guzovskiy VERIFY(dmu_object_info(os, dd.dd_bigobj, doi) == 0); 23542fdbea25SAleksandr Guzovskiy ASSERT(doi->doi_data_block_size >= 2 * sizeof (bufwad_t)); 23552fdbea25SAleksandr Guzovskiy ASSERT(ISP2(doi->doi_data_block_size)); 23562fdbea25SAleksandr Guzovskiy dd.dd_chunk = doi->doi_data_block_size; 23572fdbea25SAleksandr Guzovskiy 23582fdbea25SAleksandr Guzovskiy dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (dd), &dd, 23592fdbea25SAleksandr Guzovskiy tx); 23602fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 23612fdbea25SAleksandr Guzovskiy } else { 23622fdbea25SAleksandr Guzovskiy VERIFY(dmu_object_info(os, dd.dd_bigobj, doi) == 0); 23632fdbea25SAleksandr Guzovskiy VERIFY(ISP2(doi->doi_data_block_size)); 23642fdbea25SAleksandr Guzovskiy VERIFY(dd.dd_chunk == doi->doi_data_block_size); 23652fdbea25SAleksandr Guzovskiy VERIFY(dd.dd_chunk >= 2 * sizeof (bufwad_t)); 23662fdbea25SAleksandr Guzovskiy } 23672fdbea25SAleksandr Guzovskiy 23682fdbea25SAleksandr Guzovskiy /* 23692fdbea25SAleksandr Guzovskiy * Pick a random index and compute the offsets into packobj and bigobj. 23702fdbea25SAleksandr Guzovskiy */ 23712fdbea25SAleksandr Guzovskiy n = ztest_random(regions) * stride + ztest_random(width); 23722fdbea25SAleksandr Guzovskiy s = 1 + ztest_random(width - 1); 23732fdbea25SAleksandr Guzovskiy 23742fdbea25SAleksandr Guzovskiy packoff = n * sizeof (bufwad_t); 23752fdbea25SAleksandr Guzovskiy packsize = s * sizeof (bufwad_t); 23762fdbea25SAleksandr Guzovskiy 23772fdbea25SAleksandr Guzovskiy bigoff = n * dd.dd_chunk; 23782fdbea25SAleksandr Guzovskiy bigsize = s * dd.dd_chunk; 23792fdbea25SAleksandr Guzovskiy 23802fdbea25SAleksandr Guzovskiy packbuf = umem_zalloc(packsize, UMEM_NOFAIL); 23812fdbea25SAleksandr Guzovskiy bigbuf = umem_zalloc(bigsize, UMEM_NOFAIL); 23822fdbea25SAleksandr Guzovskiy 23832fdbea25SAleksandr Guzovskiy VERIFY(dmu_bonus_hold(os, dd.dd_bigobj, FTAG, &bonus_db) == 0); 23842fdbea25SAleksandr Guzovskiy 23852fdbea25SAleksandr Guzovskiy bigbuf_arcbufs = umem_zalloc(2 * s * sizeof (arc_buf_t *), UMEM_NOFAIL); 23862fdbea25SAleksandr Guzovskiy 23872fdbea25SAleksandr Guzovskiy /* 23882fdbea25SAleksandr Guzovskiy * Iteration 0 test zcopy for DB_UNCACHED dbufs. 23892fdbea25SAleksandr Guzovskiy * Iteration 1 test zcopy to already referenced dbufs. 23902fdbea25SAleksandr Guzovskiy * Iteration 2 test zcopy to dirty dbuf in the same txg. 23912fdbea25SAleksandr Guzovskiy * Iteration 3 test zcopy to dbuf dirty in previous txg. 23922fdbea25SAleksandr Guzovskiy * Iteration 4 test zcopy when dbuf is no longer dirty. 23932fdbea25SAleksandr Guzovskiy * Iteration 5 test zcopy when it can't be done. 23942fdbea25SAleksandr Guzovskiy * Iteration 6 one more zcopy write. 23952fdbea25SAleksandr Guzovskiy */ 23962fdbea25SAleksandr Guzovskiy for (i = 0; i < 7; i++) { 23972fdbea25SAleksandr Guzovskiy uint64_t j; 23982fdbea25SAleksandr Guzovskiy uint64_t off; 23992fdbea25SAleksandr Guzovskiy 24002fdbea25SAleksandr Guzovskiy /* 24012fdbea25SAleksandr Guzovskiy * In iteration 5 (i == 5) use arcbufs 24022fdbea25SAleksandr Guzovskiy * that don't match bigobj blksz to test 24032fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() when it can't directly 24042fdbea25SAleksandr Guzovskiy * assign an arcbuf to a dbuf. 24052fdbea25SAleksandr Guzovskiy */ 24062fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 24072fdbea25SAleksandr Guzovskiy if (i != 5) { 24082fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j] = 24092fdbea25SAleksandr Guzovskiy dmu_request_arcbuf(bonus_db, 24102fdbea25SAleksandr Guzovskiy dd.dd_chunk); 24112fdbea25SAleksandr Guzovskiy } else { 24122fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j] = 24132fdbea25SAleksandr Guzovskiy dmu_request_arcbuf(bonus_db, 24142fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2); 24152fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1] = 24162fdbea25SAleksandr Guzovskiy dmu_request_arcbuf(bonus_db, 24172fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2); 24182fdbea25SAleksandr Guzovskiy } 24192fdbea25SAleksandr Guzovskiy } 24202fdbea25SAleksandr Guzovskiy 24212fdbea25SAleksandr Guzovskiy /* 24222fdbea25SAleksandr Guzovskiy * Get a tx for the mods to both packobj and bigobj. 24232fdbea25SAleksandr Guzovskiy */ 24242fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 24252fdbea25SAleksandr Guzovskiy 24262fdbea25SAleksandr Guzovskiy dmu_tx_hold_write(tx, dd.dd_packobj, packoff, packsize); 24272fdbea25SAleksandr Guzovskiy dmu_tx_hold_write(tx, dd.dd_bigobj, bigoff, bigsize); 24282fdbea25SAleksandr Guzovskiy 24292fdbea25SAleksandr Guzovskiy if (ztest_random(100) == 0) { 24302fdbea25SAleksandr Guzovskiy error = -1; 24312fdbea25SAleksandr Guzovskiy } else { 24322fdbea25SAleksandr Guzovskiy error = dmu_tx_assign(tx, TXG_WAIT); 24332fdbea25SAleksandr Guzovskiy } 24342fdbea25SAleksandr Guzovskiy 24352fdbea25SAleksandr Guzovskiy if (error) { 24362fdbea25SAleksandr Guzovskiy if (error != -1) { 24372fdbea25SAleksandr Guzovskiy ztest_record_enospc("dmu r/w range"); 24382fdbea25SAleksandr Guzovskiy } 24392fdbea25SAleksandr Guzovskiy dmu_tx_abort(tx); 24402fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 24412fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 24422fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 24432fdbea25SAleksandr Guzovskiy if (i != 5) { 24442fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(bigbuf_arcbufs[j]); 24452fdbea25SAleksandr Guzovskiy } else { 24462fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 24472fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]); 24482fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 24492fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]); 24502fdbea25SAleksandr Guzovskiy } 24512fdbea25SAleksandr Guzovskiy } 24522fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 24532fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 24542fdbea25SAleksandr Guzovskiy return; 24552fdbea25SAleksandr Guzovskiy } 24562fdbea25SAleksandr Guzovskiy 24572fdbea25SAleksandr Guzovskiy txg = dmu_tx_get_txg(tx); 24582fdbea25SAleksandr Guzovskiy 24592fdbea25SAleksandr Guzovskiy /* 24602fdbea25SAleksandr Guzovskiy * 50% of the time don't read objects in the 1st iteration to 24612fdbea25SAleksandr Guzovskiy * test dmu_assign_arcbuf() for the case when there're no 24622fdbea25SAleksandr Guzovskiy * existing dbufs for the specified offsets. 24632fdbea25SAleksandr Guzovskiy */ 24642fdbea25SAleksandr Guzovskiy if (i != 0 || ztest_random(2) != 0) { 24652fdbea25SAleksandr Guzovskiy error = dmu_read(os, dd.dd_packobj, packoff, 24667bfdf011SNeil Perrin packsize, packbuf, DMU_READ_PREFETCH); 24672fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 24682fdbea25SAleksandr Guzovskiy error = dmu_read(os, dd.dd_bigobj, bigoff, bigsize, 24697bfdf011SNeil Perrin bigbuf, DMU_READ_PREFETCH); 24702fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 24712fdbea25SAleksandr Guzovskiy } 24722fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(s, packbuf, bigbuf, bigsize, 24732fdbea25SAleksandr Guzovskiy n, dd, txg); 24742fdbea25SAleksandr Guzovskiy 24752fdbea25SAleksandr Guzovskiy /* 24762fdbea25SAleksandr Guzovskiy * We've verified all the old bufwads, and made new ones. 24772fdbea25SAleksandr Guzovskiy * Now write them out. 24782fdbea25SAleksandr Guzovskiy */ 24792fdbea25SAleksandr Guzovskiy dmu_write(os, dd.dd_packobj, packoff, packsize, packbuf, tx); 24802fdbea25SAleksandr Guzovskiy if (zopt_verbose >= 6) { 24812fdbea25SAleksandr Guzovskiy (void) printf("writing offset %llx size %llx" 24822fdbea25SAleksandr Guzovskiy " txg %llx\n", 24832fdbea25SAleksandr Guzovskiy (u_longlong_t)bigoff, 24842fdbea25SAleksandr Guzovskiy (u_longlong_t)bigsize, 24852fdbea25SAleksandr Guzovskiy (u_longlong_t)txg); 24862fdbea25SAleksandr Guzovskiy } 24872fdbea25SAleksandr Guzovskiy for (off = bigoff, j = 0; j < s; j++, off += dd.dd_chunk) { 24882fdbea25SAleksandr Guzovskiy dmu_buf_t *dbt; 24892fdbea25SAleksandr Guzovskiy if (i != 5) { 24902fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 24912fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j]->b_data, dd.dd_chunk); 24922fdbea25SAleksandr Guzovskiy } else { 24932fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 24942fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]->b_data, 24952fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2); 24962fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff) + 24972fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2, 24982fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]->b_data, 24992fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2); 25002fdbea25SAleksandr Guzovskiy } 25012fdbea25SAleksandr Guzovskiy 25022fdbea25SAleksandr Guzovskiy if (i == 1) { 25032fdbea25SAleksandr Guzovskiy VERIFY(dmu_buf_hold(os, dd.dd_bigobj, off, 25042fdbea25SAleksandr Guzovskiy FTAG, &dbt) == 0); 25052fdbea25SAleksandr Guzovskiy } 25062fdbea25SAleksandr Guzovskiy if (i != 5) { 25072fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 25082fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j], tx); 25092fdbea25SAleksandr Guzovskiy } else { 25102fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 25112fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j], tx); 25122fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, 25132fdbea25SAleksandr Guzovskiy off + dd.dd_chunk / 2, 25142fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1], tx); 25152fdbea25SAleksandr Guzovskiy } 25162fdbea25SAleksandr Guzovskiy if (i == 1) { 25172fdbea25SAleksandr Guzovskiy dmu_buf_rele(dbt, FTAG); 25182fdbea25SAleksandr Guzovskiy } 25192fdbea25SAleksandr Guzovskiy } 25202fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 25212fdbea25SAleksandr Guzovskiy 25222fdbea25SAleksandr Guzovskiy /* 25232fdbea25SAleksandr Guzovskiy * Sanity check the stuff we just wrote. 25242fdbea25SAleksandr Guzovskiy */ 25252fdbea25SAleksandr Guzovskiy { 25262fdbea25SAleksandr Guzovskiy void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 25272fdbea25SAleksandr Guzovskiy void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 25282fdbea25SAleksandr Guzovskiy 25292fdbea25SAleksandr Guzovskiy VERIFY(0 == dmu_read(os, dd.dd_packobj, packoff, 25307bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 25312fdbea25SAleksandr Guzovskiy VERIFY(0 == dmu_read(os, dd.dd_bigobj, bigoff, 25327bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 25332fdbea25SAleksandr Guzovskiy 25342fdbea25SAleksandr Guzovskiy ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 25352fdbea25SAleksandr Guzovskiy ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 25362fdbea25SAleksandr Guzovskiy 25372fdbea25SAleksandr Guzovskiy umem_free(packcheck, packsize); 25382fdbea25SAleksandr Guzovskiy umem_free(bigcheck, bigsize); 25392fdbea25SAleksandr Guzovskiy } 25402fdbea25SAleksandr Guzovskiy if (i == 2) { 25412fdbea25SAleksandr Guzovskiy txg_wait_open(dmu_objset_pool(os), 0); 25422fdbea25SAleksandr Guzovskiy } else if (i == 3) { 25432fdbea25SAleksandr Guzovskiy txg_wait_synced(dmu_objset_pool(os), 0); 25442fdbea25SAleksandr Guzovskiy } 25452fdbea25SAleksandr Guzovskiy } 25462fdbea25SAleksandr Guzovskiy 25472fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 25482fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 25492fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 25502fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 25512fdbea25SAleksandr Guzovskiy } 25522fdbea25SAleksandr Guzovskiy 25534d31c452Smaybee void 2554e05725b1Sbonwick ztest_dmu_check_future_leak(ztest_args_t *za) 25554d31c452Smaybee { 2556e05725b1Sbonwick objset_t *os = za->za_os; 25574d31c452Smaybee dmu_buf_t *db; 2558e05725b1Sbonwick ztest_block_tag_t *bt; 2559e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 25604d31c452Smaybee 25614d31c452Smaybee /* 25624d31c452Smaybee * Make sure that, if there is a write record in the bonus buffer 25634d31c452Smaybee * of the ZTEST_DIROBJ, that the txg for this record is <= the 25644d31c452Smaybee * last synced txg of the pool. 25654d31c452Smaybee */ 2566e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &db) == 0); 2567e05725b1Sbonwick za->za_dbuf = db; 2568e05725b1Sbonwick VERIFY(dmu_object_info(os, ZTEST_DIROBJ, doi) == 0); 2569e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, >=, sizeof (*bt)); 2570e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, <=, db->db_size); 2571e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size % sizeof (*bt), ==, 0); 2572e05725b1Sbonwick bt = (void *)((char *)db->db_data + doi->doi_bonus_size - sizeof (*bt)); 2573e05725b1Sbonwick if (bt->bt_objset != 0) { 2574e05725b1Sbonwick ASSERT3U(bt->bt_objset, ==, dmu_objset_id(os)); 2575e05725b1Sbonwick ASSERT3U(bt->bt_object, ==, ZTEST_DIROBJ); 2576e05725b1Sbonwick ASSERT3U(bt->bt_offset, ==, -1ULL); 2577e05725b1Sbonwick ASSERT3U(bt->bt_txg, <, spa_first_txg(za->za_spa)); 25784d31c452Smaybee } 25794d31c452Smaybee dmu_buf_rele(db, FTAG); 2580e05725b1Sbonwick za->za_dbuf = NULL; 25814d31c452Smaybee } 25824d31c452Smaybee 2583fa9e4066Sahrens void 2584fa9e4066Sahrens ztest_dmu_write_parallel(ztest_args_t *za) 2585fa9e4066Sahrens { 2586fa9e4066Sahrens objset_t *os = za->za_os; 2587e05725b1Sbonwick ztest_block_tag_t *rbt = &za->za_rbt; 2588e05725b1Sbonwick ztest_block_tag_t *wbt = &za->za_wbt; 2589e05725b1Sbonwick const size_t btsize = sizeof (ztest_block_tag_t); 2590fa9e4066Sahrens dmu_buf_t *db; 2591e05725b1Sbonwick int b, error; 2592e05725b1Sbonwick int bs = ZTEST_DIROBJ_BLOCKSIZE; 2593e05725b1Sbonwick int do_free = 0; 2594f4a72450SJeff Bonwick uint64_t off, txg, txg_how; 2595fa9e4066Sahrens mutex_t *lp; 2596fa9e4066Sahrens char osname[MAXNAMELEN]; 2597fa9e4066Sahrens char iobuf[SPA_MAXBLOCKSIZE]; 2598e05725b1Sbonwick blkptr_t blk = { 0 }; 2599e05725b1Sbonwick uint64_t blkoff; 2600e05725b1Sbonwick zbookmark_t zb; 2601e05725b1Sbonwick dmu_tx_t *tx = dmu_tx_create(os); 26022fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 26032fdbea25SAleksandr Guzovskiy arc_buf_t *abuf = NULL; 2604fa9e4066Sahrens 2605fa9e4066Sahrens dmu_objset_name(os, osname); 2606fa9e4066Sahrens 2607fa9e4066Sahrens /* 2608fa9e4066Sahrens * Have multiple threads write to large offsets in ZTEST_DIROBJ 2609fa9e4066Sahrens * to verify that having multiple threads writing to the same object 2610fa9e4066Sahrens * in parallel doesn't cause any trouble. 2611fa9e4066Sahrens */ 2612e05725b1Sbonwick if (ztest_random(4) == 0) { 2613e05725b1Sbonwick /* 2614e05725b1Sbonwick * Do the bonus buffer instead of a regular block. 2615e05725b1Sbonwick * We need a lock to serialize resize vs. others, 2616e05725b1Sbonwick * so we hash on the objset ID. 2617e05725b1Sbonwick */ 2618e05725b1Sbonwick b = dmu_objset_id(os) % ZTEST_SYNC_LOCKS; 2619e05725b1Sbonwick off = -1ULL; 2620e05725b1Sbonwick dmu_tx_hold_bonus(tx, ZTEST_DIROBJ); 2621e05725b1Sbonwick } else { 2622fa9e4066Sahrens b = ztest_random(ZTEST_SYNC_LOCKS); 2623e05725b1Sbonwick off = za->za_diroff_shared + (b << SPA_MAXBLOCKSHIFT); 2624fa9e4066Sahrens if (ztest_random(4) == 0) { 2625e05725b1Sbonwick do_free = 1; 2626fa9e4066Sahrens dmu_tx_hold_free(tx, ZTEST_DIROBJ, off, bs); 2627e05725b1Sbonwick } else { 2628fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, off, bs); 2629e05725b1Sbonwick } 2630e05725b1Sbonwick } 2631fa9e4066Sahrens 26322fdbea25SAleksandr Guzovskiy if (off != -1ULL && P2PHASE(off, bs) == 0 && !do_free && 26332fdbea25SAleksandr Guzovskiy ztest_random(8) == 0) { 26342fdbea25SAleksandr Guzovskiy VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &bonus_db) == 0); 26352fdbea25SAleksandr Guzovskiy abuf = dmu_request_arcbuf(bonus_db, bs); 26362fdbea25SAleksandr Guzovskiy } 26372fdbea25SAleksandr Guzovskiy 2638e05725b1Sbonwick txg_how = ztest_random(2) == 0 ? TXG_WAIT : TXG_NOWAIT; 2639e05725b1Sbonwick error = dmu_tx_assign(tx, txg_how); 2640e05725b1Sbonwick if (error) { 2641e05725b1Sbonwick if (error == ERESTART) { 2642e05725b1Sbonwick ASSERT(txg_how == TXG_NOWAIT); 2643e05725b1Sbonwick dmu_tx_wait(tx); 2644e05725b1Sbonwick } else { 2645fa9e4066Sahrens ztest_record_enospc("dmu write parallel"); 2646fa9e4066Sahrens } 2647e05725b1Sbonwick dmu_tx_abort(tx); 26482fdbea25SAleksandr Guzovskiy if (abuf != NULL) { 26492fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(abuf); 26502fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 26512fdbea25SAleksandr Guzovskiy } 2652e05725b1Sbonwick return; 2653e05725b1Sbonwick } 2654f4a72450SJeff Bonwick txg = dmu_tx_get_txg(tx); 2655fa9e4066Sahrens 2656e05725b1Sbonwick lp = &ztest_shared->zs_sync_lock[b]; 2657e05725b1Sbonwick (void) mutex_lock(lp); 2658e05725b1Sbonwick 2659e05725b1Sbonwick wbt->bt_objset = dmu_objset_id(os); 2660e05725b1Sbonwick wbt->bt_object = ZTEST_DIROBJ; 2661e05725b1Sbonwick wbt->bt_offset = off; 2662f4a72450SJeff Bonwick wbt->bt_txg = txg; 2663e05725b1Sbonwick wbt->bt_thread = za->za_instance; 2664e05725b1Sbonwick wbt->bt_seq = ztest_shared->zs_seq[b]++; /* protected by lp */ 2665e05725b1Sbonwick 2666f4a72450SJeff Bonwick /* 2667f4a72450SJeff Bonwick * Occasionally, write an all-zero block to test the behavior 2668f4a72450SJeff Bonwick * of blocks that compress into holes. 2669f4a72450SJeff Bonwick */ 2670f4a72450SJeff Bonwick if (off != -1ULL && ztest_random(8) == 0) 2671f4a72450SJeff Bonwick bzero(wbt, btsize); 2672f4a72450SJeff Bonwick 2673e05725b1Sbonwick if (off == -1ULL) { 2674e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 2675e05725b1Sbonwick char *dboff; 2676e05725b1Sbonwick 2677e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &db) == 0); 2678e05725b1Sbonwick za->za_dbuf = db; 2679e05725b1Sbonwick dmu_object_info_from_db(db, doi); 2680e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, <=, db->db_size); 2681e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, >=, btsize); 2682e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size % btsize, ==, 0); 2683e05725b1Sbonwick dboff = (char *)db->db_data + doi->doi_bonus_size - btsize; 2684e05725b1Sbonwick bcopy(dboff, rbt, btsize); 2685e05725b1Sbonwick if (rbt->bt_objset != 0) { 2686e05725b1Sbonwick ASSERT3U(rbt->bt_objset, ==, wbt->bt_objset); 2687e05725b1Sbonwick ASSERT3U(rbt->bt_object, ==, wbt->bt_object); 2688e05725b1Sbonwick ASSERT3U(rbt->bt_offset, ==, wbt->bt_offset); 2689e05725b1Sbonwick ASSERT3U(rbt->bt_txg, <=, wbt->bt_txg); 2690fa9e4066Sahrens } 2691e05725b1Sbonwick if (ztest_random(10) == 0) { 2692e05725b1Sbonwick int newsize = (ztest_random(db->db_size / 2693e05725b1Sbonwick btsize) + 1) * btsize; 2694e05725b1Sbonwick 2695e05725b1Sbonwick ASSERT3U(newsize, >=, btsize); 2696e05725b1Sbonwick ASSERT3U(newsize, <=, db->db_size); 2697e05725b1Sbonwick VERIFY3U(dmu_set_bonus(db, newsize, tx), ==, 0); 2698e05725b1Sbonwick dboff = (char *)db->db_data + newsize - btsize; 2699fa9e4066Sahrens } 2700e05725b1Sbonwick dmu_buf_will_dirty(db, tx); 2701e05725b1Sbonwick bcopy(wbt, dboff, btsize); 2702e05725b1Sbonwick dmu_buf_rele(db, FTAG); 2703e05725b1Sbonwick za->za_dbuf = NULL; 2704e05725b1Sbonwick } else if (do_free) { 2705e05725b1Sbonwick VERIFY(dmu_free_range(os, ZTEST_DIROBJ, off, bs, tx) == 0); 27062fdbea25SAleksandr Guzovskiy } else if (abuf == NULL) { 2707e05725b1Sbonwick dmu_write(os, ZTEST_DIROBJ, off, btsize, wbt, tx); 27082fdbea25SAleksandr Guzovskiy } else { 27092fdbea25SAleksandr Guzovskiy bcopy(wbt, abuf->b_data, btsize); 27102fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, abuf, tx); 27112fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 2712e05725b1Sbonwick } 2713e05725b1Sbonwick 2714e05725b1Sbonwick (void) mutex_unlock(lp); 2715e05725b1Sbonwick 2716e05725b1Sbonwick if (ztest_random(1000) == 0) 2717e05725b1Sbonwick (void) poll(NULL, 0, 1); /* open dn_notxholds window */ 2718e05725b1Sbonwick 2719e05725b1Sbonwick dmu_tx_commit(tx); 2720e05725b1Sbonwick 2721e05725b1Sbonwick if (ztest_random(10000) == 0) 2722f4a72450SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 2723fa9e4066Sahrens 2724e14bb325SJeff Bonwick if (off == -1ULL || do_free) 2725e05725b1Sbonwick return; 2726fa9e4066Sahrens 2727e05725b1Sbonwick if (ztest_random(2) != 0) 2728e05725b1Sbonwick return; 2729fa9e4066Sahrens 2730e05725b1Sbonwick /* 2731e05725b1Sbonwick * dmu_sync() the block we just wrote. 2732e05725b1Sbonwick */ 2733e05725b1Sbonwick (void) mutex_lock(lp); 2734fa9e4066Sahrens 2735e05725b1Sbonwick blkoff = P2ALIGN_TYPED(off, bs, uint64_t); 2736e05725b1Sbonwick error = dmu_buf_hold(os, ZTEST_DIROBJ, blkoff, FTAG, &db); 2737e05725b1Sbonwick za->za_dbuf = db; 2738e05725b1Sbonwick if (error) { 2739fa9e4066Sahrens (void) mutex_unlock(lp); 2740e05725b1Sbonwick return; 2741e05725b1Sbonwick } 2742e05725b1Sbonwick blkoff = off - blkoff; 2743f4a72450SJeff Bonwick error = dmu_sync(NULL, db, &blk, txg, NULL, NULL); 2744e05725b1Sbonwick dmu_buf_rele(db, FTAG); 2745e05725b1Sbonwick za->za_dbuf = NULL; 2746fa9e4066Sahrens 27472fdbea25SAleksandr Guzovskiy if (error) { 27482fdbea25SAleksandr Guzovskiy (void) mutex_unlock(lp); 2749e05725b1Sbonwick return; 27502fdbea25SAleksandr Guzovskiy } 2751fa9e4066Sahrens 27522fdbea25SAleksandr Guzovskiy if (blk.blk_birth == 0) { /* concurrent free */ 27532fdbea25SAleksandr Guzovskiy (void) mutex_unlock(lp); 2754e05725b1Sbonwick return; 27552fdbea25SAleksandr Guzovskiy } 2756fa9e4066Sahrens 2757e05725b1Sbonwick txg_suspend(dmu_objset_pool(os)); 2758fa9e4066Sahrens 27592fdbea25SAleksandr Guzovskiy (void) mutex_unlock(lp); 27602fdbea25SAleksandr Guzovskiy 2761e05725b1Sbonwick ASSERT(blk.blk_fill == 1); 2762e05725b1Sbonwick ASSERT3U(BP_GET_TYPE(&blk), ==, DMU_OT_UINT64_OTHER); 2763e05725b1Sbonwick ASSERT3U(BP_GET_LEVEL(&blk), ==, 0); 2764e05725b1Sbonwick ASSERT3U(BP_GET_LSIZE(&blk), ==, bs); 2765fa9e4066Sahrens 2766e05725b1Sbonwick /* 2767e05725b1Sbonwick * Read the block that dmu_sync() returned to make sure its contents 2768e05725b1Sbonwick * match what we wrote. We do this while still txg_suspend()ed 2769e05725b1Sbonwick * to ensure that the block can't be reused before we read it. 2770e05725b1Sbonwick */ 2771e05725b1Sbonwick zb.zb_objset = dmu_objset_id(os); 2772e05725b1Sbonwick zb.zb_object = ZTEST_DIROBJ; 2773e05725b1Sbonwick zb.zb_level = 0; 2774e05725b1Sbonwick zb.zb_blkid = off / bs; 2775e05725b1Sbonwick error = zio_wait(zio_read(NULL, za->za_spa, &blk, iobuf, bs, 2776e05725b1Sbonwick NULL, NULL, ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_MUSTSUCCEED, &zb)); 2777e05725b1Sbonwick ASSERT3U(error, ==, 0); 2778fa9e4066Sahrens 2779e05725b1Sbonwick txg_resume(dmu_objset_pool(os)); 2780fa9e4066Sahrens 2781e05725b1Sbonwick bcopy(&iobuf[blkoff], rbt, btsize); 2782fa9e4066Sahrens 2783e05725b1Sbonwick if (rbt->bt_objset == 0) /* concurrent free */ 2784e05725b1Sbonwick return; 27850e34b6a7Sbonwick 2786f4a72450SJeff Bonwick if (wbt->bt_objset == 0) /* all-zero overwrite */ 2787f4a72450SJeff Bonwick return; 2788f4a72450SJeff Bonwick 2789e05725b1Sbonwick ASSERT3U(rbt->bt_objset, ==, wbt->bt_objset); 2790e05725b1Sbonwick ASSERT3U(rbt->bt_object, ==, wbt->bt_object); 2791e05725b1Sbonwick ASSERT3U(rbt->bt_offset, ==, wbt->bt_offset); 2792fa9e4066Sahrens 2793e05725b1Sbonwick /* 2794e05725b1Sbonwick * The semantic of dmu_sync() is that we always push the most recent 2795e05725b1Sbonwick * version of the data, so in the face of concurrent updates we may 2796e05725b1Sbonwick * see a newer version of the block. That's OK. 2797e05725b1Sbonwick */ 2798e05725b1Sbonwick ASSERT3U(rbt->bt_txg, >=, wbt->bt_txg); 2799e05725b1Sbonwick if (rbt->bt_thread == wbt->bt_thread) 2800e05725b1Sbonwick ASSERT3U(rbt->bt_seq, ==, wbt->bt_seq); 2801e05725b1Sbonwick else 2802e05725b1Sbonwick ASSERT3U(rbt->bt_seq, >, wbt->bt_seq); 2803fa9e4066Sahrens } 2804fa9e4066Sahrens 2805fa9e4066Sahrens /* 2806fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 2807fa9e4066Sahrens */ 2808fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 2809fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 2810fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 2811fa9e4066Sahrens 2812fa9e4066Sahrens void 2813fa9e4066Sahrens ztest_zap(ztest_args_t *za) 2814fa9e4066Sahrens { 2815fa9e4066Sahrens objset_t *os = za->za_os; 2816fa9e4066Sahrens uint64_t object; 2817fa9e4066Sahrens uint64_t txg, last_txg; 2818fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 2819fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 2820fa9e4066Sahrens int i, ints; 2821fa9e4066Sahrens dmu_tx_t *tx; 2822fa9e4066Sahrens char propname[100], txgname[100]; 2823fa9e4066Sahrens int error; 2824fa9e4066Sahrens char osname[MAXNAMELEN]; 2825fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 2826fa9e4066Sahrens 2827fa9e4066Sahrens dmu_objset_name(os, osname); 2828fa9e4066Sahrens 2829fa9e4066Sahrens /* 2830fa9e4066Sahrens * Create a new object if necessary, and record it in the directory. 2831fa9e4066Sahrens */ 2832ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 28337bfdf011SNeil Perrin sizeof (uint64_t), &object, DMU_READ_PREFETCH)); 2834fa9e4066Sahrens 2835fa9e4066Sahrens if (object == 0) { 2836fa9e4066Sahrens tx = dmu_tx_create(os); 2837fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 2838fa9e4066Sahrens sizeof (uint64_t)); 2839ea8dc4b6Seschrock dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, TRUE, NULL); 2840fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2841fa9e4066Sahrens if (error) { 2842fa9e4066Sahrens ztest_record_enospc("create zap test obj"); 2843fa9e4066Sahrens dmu_tx_abort(tx); 2844fa9e4066Sahrens return; 2845fa9e4066Sahrens } 2846fa9e4066Sahrens object = zap_create(os, DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx); 2847fa9e4066Sahrens if (error) { 2848fa9e4066Sahrens fatal(0, "zap_create('%s', %llu) = %d", 2849fa9e4066Sahrens osname, object, error); 2850fa9e4066Sahrens } 2851fa9e4066Sahrens ASSERT(object != 0); 2852fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 2853fa9e4066Sahrens sizeof (uint64_t), &object, tx); 2854fa9e4066Sahrens /* 2855fa9e4066Sahrens * Generate a known hash collision, and verify that 2856fa9e4066Sahrens * we can lookup and remove both entries. 2857fa9e4066Sahrens */ 2858fa9e4066Sahrens for (i = 0; i < 2; i++) { 2859fa9e4066Sahrens value[i] = i; 2860fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2861fa9e4066Sahrens 1, &value[i], tx); 2862fa9e4066Sahrens ASSERT3U(error, ==, 0); 2863fa9e4066Sahrens } 2864fa9e4066Sahrens for (i = 0; i < 2; i++) { 2865fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2866fa9e4066Sahrens 1, &value[i], tx); 2867fa9e4066Sahrens ASSERT3U(error, ==, EEXIST); 2868fa9e4066Sahrens error = zap_length(os, object, hc[i], 2869fa9e4066Sahrens &zl_intsize, &zl_ints); 2870fa9e4066Sahrens ASSERT3U(error, ==, 0); 2871fa9e4066Sahrens ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2872fa9e4066Sahrens ASSERT3U(zl_ints, ==, 1); 2873fa9e4066Sahrens } 2874fa9e4066Sahrens for (i = 0; i < 2; i++) { 2875fa9e4066Sahrens error = zap_remove(os, object, hc[i], tx); 2876fa9e4066Sahrens ASSERT3U(error, ==, 0); 2877fa9e4066Sahrens } 2878fa9e4066Sahrens 2879fa9e4066Sahrens dmu_tx_commit(tx); 2880fa9e4066Sahrens } 2881fa9e4066Sahrens 2882fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 2883fa9e4066Sahrens 2884e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2885e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2886e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2887e05725b1Sbonwick bzero(value, sizeof (value)); 2888e05725b1Sbonwick last_txg = 0; 2889fa9e4066Sahrens 2890e05725b1Sbonwick /* 2891e05725b1Sbonwick * If these zap entries already exist, validate their contents. 2892e05725b1Sbonwick */ 2893e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2894e05725b1Sbonwick if (error == 0) { 2895e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2896e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 2897fa9e4066Sahrens 2898e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 2899e05725b1Sbonwick zl_ints, &last_txg) == 0); 2900fa9e4066Sahrens 2901e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 2902e05725b1Sbonwick &zl_ints) == 0); 2903fa9e4066Sahrens 2904e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2905e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 2906fa9e4066Sahrens 2907e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 2908e05725b1Sbonwick zl_ints, value) == 0); 2909fa9e4066Sahrens 2910e05725b1Sbonwick for (i = 0; i < ints; i++) { 2911e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 2912fa9e4066Sahrens } 2913e05725b1Sbonwick } else { 2914e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 2915e05725b1Sbonwick } 2916fa9e4066Sahrens 2917e05725b1Sbonwick /* 2918e05725b1Sbonwick * Atomically update two entries in our zap object. 2919e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 2920e05725b1Sbonwick * in which the property was last updated. The second 2921e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 2922e05725b1Sbonwick * should be txg + object + n. 2923e05725b1Sbonwick */ 2924e05725b1Sbonwick tx = dmu_tx_create(os); 2925e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2926e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2927e05725b1Sbonwick if (error) { 2928e05725b1Sbonwick ztest_record_enospc("create zap entry"); 2929e05725b1Sbonwick dmu_tx_abort(tx); 2930e05725b1Sbonwick return; 2931e05725b1Sbonwick } 2932e05725b1Sbonwick txg = dmu_tx_get_txg(tx); 2933fa9e4066Sahrens 2934e05725b1Sbonwick if (last_txg > txg) 2935e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 2936fa9e4066Sahrens 2937e05725b1Sbonwick for (i = 0; i < ints; i++) 2938e05725b1Sbonwick value[i] = txg + object + i; 2939fa9e4066Sahrens 2940e05725b1Sbonwick error = zap_update(os, object, txgname, sizeof (uint64_t), 1, &txg, tx); 2941e05725b1Sbonwick if (error) 2942e05725b1Sbonwick fatal(0, "zap_update('%s', %llu, '%s') = %d", 2943e05725b1Sbonwick osname, object, txgname, error); 2944fa9e4066Sahrens 2945e05725b1Sbonwick error = zap_update(os, object, propname, sizeof (uint64_t), 2946e05725b1Sbonwick ints, value, tx); 2947e05725b1Sbonwick if (error) 2948e05725b1Sbonwick fatal(0, "zap_update('%s', %llu, '%s') = %d", 2949e05725b1Sbonwick osname, object, propname, error); 2950fa9e4066Sahrens 2951e05725b1Sbonwick dmu_tx_commit(tx); 2952fa9e4066Sahrens 2953e05725b1Sbonwick /* 2954e05725b1Sbonwick * Remove a random pair of entries. 2955e05725b1Sbonwick */ 2956e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2957e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2958e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2959fa9e4066Sahrens 2960e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2961fa9e4066Sahrens 2962e05725b1Sbonwick if (error == ENOENT) 2963e05725b1Sbonwick return; 2964fa9e4066Sahrens 2965e05725b1Sbonwick ASSERT3U(error, ==, 0); 2966fa9e4066Sahrens 2967e05725b1Sbonwick tx = dmu_tx_create(os); 2968e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2969e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2970e05725b1Sbonwick if (error) { 2971e05725b1Sbonwick ztest_record_enospc("remove zap entry"); 2972e05725b1Sbonwick dmu_tx_abort(tx); 2973e05725b1Sbonwick return; 2974e05725b1Sbonwick } 2975e05725b1Sbonwick error = zap_remove(os, object, txgname, tx); 2976e05725b1Sbonwick if (error) 2977e05725b1Sbonwick fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2978e05725b1Sbonwick osname, object, txgname, error); 2979fa9e4066Sahrens 2980e05725b1Sbonwick error = zap_remove(os, object, propname, tx); 2981e05725b1Sbonwick if (error) 2982e05725b1Sbonwick fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2983e05725b1Sbonwick osname, object, propname, error); 2984fa9e4066Sahrens 2985e05725b1Sbonwick dmu_tx_commit(tx); 2986fa9e4066Sahrens 2987fa9e4066Sahrens /* 2988fa9e4066Sahrens * Once in a while, destroy the object. 2989fa9e4066Sahrens */ 2990e05725b1Sbonwick if (ztest_random(1000) != 0) 2991fa9e4066Sahrens return; 2992fa9e4066Sahrens 2993fa9e4066Sahrens tx = dmu_tx_create(os); 2994fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t)); 2995fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 2996fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2997fa9e4066Sahrens if (error) { 2998fa9e4066Sahrens ztest_record_enospc("destroy zap object"); 299912a2833aSSanjeev Bagewadi dmu_tx_abort(tx); 300012a2833aSSanjeev Bagewadi return; 300112a2833aSSanjeev Bagewadi } 300212a2833aSSanjeev Bagewadi error = zap_destroy(os, object, tx); 300312a2833aSSanjeev Bagewadi if (error) 300412a2833aSSanjeev Bagewadi fatal(0, "zap_destroy('%s', %llu) = %d", 300512a2833aSSanjeev Bagewadi osname, object, error); 300612a2833aSSanjeev Bagewadi object = 0; 300712a2833aSSanjeev Bagewadi dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), 300812a2833aSSanjeev Bagewadi &object, tx); 300912a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 301012a2833aSSanjeev Bagewadi } 301112a2833aSSanjeev Bagewadi 301212a2833aSSanjeev Bagewadi /* 301312a2833aSSanjeev Bagewadi * Testcase to test the upgrading of a microzap to fatzap. 301412a2833aSSanjeev Bagewadi */ 301512a2833aSSanjeev Bagewadi void 301612a2833aSSanjeev Bagewadi ztest_fzap(ztest_args_t *za) 301712a2833aSSanjeev Bagewadi { 301812a2833aSSanjeev Bagewadi objset_t *os = za->za_os; 301912a2833aSSanjeev Bagewadi uint64_t object; 302012a2833aSSanjeev Bagewadi uint64_t value; 302112a2833aSSanjeev Bagewadi dmu_tx_t *tx; 302212a2833aSSanjeev Bagewadi int i, error; 302312a2833aSSanjeev Bagewadi char osname[MAXNAMELEN]; 302412a2833aSSanjeev Bagewadi char *name = "aaa"; 30251bc69b9cSSanjeev Bagewadi char entname[MAXNAMELEN]; 302612a2833aSSanjeev Bagewadi 302712a2833aSSanjeev Bagewadi dmu_objset_name(os, osname); 302812a2833aSSanjeev Bagewadi 302912a2833aSSanjeev Bagewadi /* 303012a2833aSSanjeev Bagewadi * Create a new object if necessary, and record it in the directory. 303112a2833aSSanjeev Bagewadi */ 303212a2833aSSanjeev Bagewadi VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 303312a2833aSSanjeev Bagewadi sizeof (uint64_t), &object, DMU_READ_PREFETCH)); 303412a2833aSSanjeev Bagewadi 303512a2833aSSanjeev Bagewadi if (object == 0) { 303612a2833aSSanjeev Bagewadi tx = dmu_tx_create(os); 303712a2833aSSanjeev Bagewadi dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 303812a2833aSSanjeev Bagewadi sizeof (uint64_t)); 303912a2833aSSanjeev Bagewadi dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, TRUE, NULL); 304012a2833aSSanjeev Bagewadi error = dmu_tx_assign(tx, TXG_WAIT); 304112a2833aSSanjeev Bagewadi if (error) { 304212a2833aSSanjeev Bagewadi ztest_record_enospc("create zap test obj"); 304312a2833aSSanjeev Bagewadi dmu_tx_abort(tx); 304412a2833aSSanjeev Bagewadi return; 304512a2833aSSanjeev Bagewadi } 304612a2833aSSanjeev Bagewadi object = zap_create(os, DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx); 304712a2833aSSanjeev Bagewadi if (error) { 304812a2833aSSanjeev Bagewadi fatal(0, "zap_create('%s', %llu) = %d", 304912a2833aSSanjeev Bagewadi osname, object, error); 305012a2833aSSanjeev Bagewadi } 305112a2833aSSanjeev Bagewadi ASSERT(object != 0); 305212a2833aSSanjeev Bagewadi dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 305312a2833aSSanjeev Bagewadi sizeof (uint64_t), &object, tx); 305412a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 305512a2833aSSanjeev Bagewadi } 305612a2833aSSanjeev Bagewadi 305712a2833aSSanjeev Bagewadi /* 305812a2833aSSanjeev Bagewadi * Add entries to this ZAP amd make sure it spills over 305912a2833aSSanjeev Bagewadi * and gets upgraded to a fatzap. Also, since we are adding 306012a2833aSSanjeev Bagewadi * 2050 entries we should see ptrtbl growth and leaf-block 306112a2833aSSanjeev Bagewadi * split. 306212a2833aSSanjeev Bagewadi */ 306312a2833aSSanjeev Bagewadi for (i = 0; i < 2050; i++) { 30641bc69b9cSSanjeev Bagewadi (void) snprintf(entname, sizeof (entname), "%s-%d", name, i); 306512a2833aSSanjeev Bagewadi value = i; 306612a2833aSSanjeev Bagewadi 306712a2833aSSanjeev Bagewadi tx = dmu_tx_create(os); 306812a2833aSSanjeev Bagewadi dmu_tx_hold_zap(tx, object, TRUE, entname); 306912a2833aSSanjeev Bagewadi error = dmu_tx_assign(tx, TXG_WAIT); 307012a2833aSSanjeev Bagewadi 307112a2833aSSanjeev Bagewadi if (error) { 307212a2833aSSanjeev Bagewadi ztest_record_enospc("create zap entry"); 307312a2833aSSanjeev Bagewadi dmu_tx_abort(tx); 307412a2833aSSanjeev Bagewadi return; 307512a2833aSSanjeev Bagewadi } 307612a2833aSSanjeev Bagewadi error = zap_add(os, object, entname, sizeof (uint64_t), 307712a2833aSSanjeev Bagewadi 1, &value, tx); 307812a2833aSSanjeev Bagewadi 307912a2833aSSanjeev Bagewadi ASSERT(error == 0 || error == EEXIST); 308012a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 308112a2833aSSanjeev Bagewadi } 308212a2833aSSanjeev Bagewadi 308312a2833aSSanjeev Bagewadi /* 308412a2833aSSanjeev Bagewadi * Once in a while, destroy the object. 308512a2833aSSanjeev Bagewadi */ 308612a2833aSSanjeev Bagewadi if (ztest_random(1000) != 0) 308712a2833aSSanjeev Bagewadi return; 308812a2833aSSanjeev Bagewadi 308912a2833aSSanjeev Bagewadi tx = dmu_tx_create(os); 309012a2833aSSanjeev Bagewadi dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t)); 309112a2833aSSanjeev Bagewadi dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 309212a2833aSSanjeev Bagewadi error = dmu_tx_assign(tx, TXG_WAIT); 309312a2833aSSanjeev Bagewadi if (error) { 309412a2833aSSanjeev Bagewadi ztest_record_enospc("destroy zap object"); 3095fa9e4066Sahrens dmu_tx_abort(tx); 3096fa9e4066Sahrens return; 3097fa9e4066Sahrens } 3098fa9e4066Sahrens error = zap_destroy(os, object, tx); 3099fa9e4066Sahrens if (error) 3100fa9e4066Sahrens fatal(0, "zap_destroy('%s', %llu) = %d", 3101fa9e4066Sahrens osname, object, error); 3102fa9e4066Sahrens object = 0; 3103fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), 3104fa9e4066Sahrens &object, tx); 3105fa9e4066Sahrens dmu_tx_commit(tx); 3106fa9e4066Sahrens } 3107fa9e4066Sahrens 3108fa9e4066Sahrens void 3109fa9e4066Sahrens ztest_zap_parallel(ztest_args_t *za) 3110fa9e4066Sahrens { 3111fa9e4066Sahrens objset_t *os = za->za_os; 3112fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 3113fa9e4066Sahrens dmu_tx_t *tx; 3114fa9e4066Sahrens int i, namelen, error; 3115fa9e4066Sahrens char name[20], string_value[20]; 3116fa9e4066Sahrens void *data; 3117fa9e4066Sahrens 3118e05725b1Sbonwick /* 3119e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 3120e05725b1Sbonwick * x is a random printable character and the dots are dots. 3121e05725b1Sbonwick * There are 94 such characters, and the name length goes from 3122e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 3123e05725b1Sbonwick */ 3124e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 3125fa9e4066Sahrens 3126e05725b1Sbonwick for (i = 0; i < 3; i++) 3127e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 3128e05725b1Sbonwick for (; i < namelen - 1; i++) 3129e05725b1Sbonwick name[i] = '.'; 3130e05725b1Sbonwick name[i] = '\0'; 3131fa9e4066Sahrens 3132e05725b1Sbonwick if (ztest_random(2) == 0) 3133e05725b1Sbonwick object = ZTEST_MICROZAP_OBJ; 3134e05725b1Sbonwick else 3135e05725b1Sbonwick object = ZTEST_FATZAP_OBJ; 3136fa9e4066Sahrens 3137e05725b1Sbonwick if ((namelen & 1) || object == ZTEST_MICROZAP_OBJ) { 3138e05725b1Sbonwick wsize = sizeof (txg); 3139e05725b1Sbonwick wc = 1; 3140e05725b1Sbonwick data = &txg; 3141e05725b1Sbonwick } else { 3142e05725b1Sbonwick wsize = 1; 3143e05725b1Sbonwick wc = namelen; 3144e05725b1Sbonwick data = string_value; 3145e05725b1Sbonwick } 3146fa9e4066Sahrens 3147e05725b1Sbonwick count = -1ULL; 3148e05725b1Sbonwick VERIFY(zap_count(os, object, &count) == 0); 3149e05725b1Sbonwick ASSERT(count != -1ULL); 3150fa9e4066Sahrens 3151e05725b1Sbonwick /* 3152e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 3153e05725b1Sbonwick */ 3154e05725b1Sbonwick i = ztest_random(5); 3155e05725b1Sbonwick 3156e05725b1Sbonwick if (i >= 2) { 3157e05725b1Sbonwick tx = dmu_tx_create(os); 3158e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 3159e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 3160e05725b1Sbonwick if (error) { 3161e05725b1Sbonwick ztest_record_enospc("zap parallel"); 3162e05725b1Sbonwick dmu_tx_abort(tx); 3163e05725b1Sbonwick return; 3164fa9e4066Sahrens } 3165e05725b1Sbonwick txg = dmu_tx_get_txg(tx); 3166e05725b1Sbonwick bcopy(name, string_value, namelen); 3167e05725b1Sbonwick } else { 3168e05725b1Sbonwick tx = NULL; 3169e05725b1Sbonwick txg = 0; 3170e05725b1Sbonwick bzero(string_value, namelen); 3171e05725b1Sbonwick } 3172fa9e4066Sahrens 3173e05725b1Sbonwick switch (i) { 3174fa9e4066Sahrens 3175e05725b1Sbonwick case 0: 3176e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 3177e05725b1Sbonwick if (error == 0) { 3178e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 3179e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 3180e05725b1Sbonwick } else { 3181e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 3182e05725b1Sbonwick } 3183e05725b1Sbonwick break; 3184fa9e4066Sahrens 3185e05725b1Sbonwick case 1: 3186e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 3187e05725b1Sbonwick if (error == 0) { 3188e05725b1Sbonwick if (data == string_value && 3189e05725b1Sbonwick bcmp(name, data, namelen) != 0) 3190e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 3191e05725b1Sbonwick name, data, namelen); 3192e05725b1Sbonwick } else { 3193e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 3194e05725b1Sbonwick } 3195e05725b1Sbonwick break; 3196fa9e4066Sahrens 3197e05725b1Sbonwick case 2: 3198e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 3199e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 3200e05725b1Sbonwick break; 3201fa9e4066Sahrens 3202e05725b1Sbonwick case 3: 3203e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 3204e05725b1Sbonwick break; 3205fa9e4066Sahrens 3206e05725b1Sbonwick case 4: 3207e05725b1Sbonwick error = zap_remove(os, object, name, tx); 3208e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 3209e05725b1Sbonwick break; 3210fa9e4066Sahrens } 3211e05725b1Sbonwick 3212e05725b1Sbonwick if (tx != NULL) 3213e05725b1Sbonwick dmu_tx_commit(tx); 3214fa9e4066Sahrens } 3215fa9e4066Sahrens 3216*d20e665cSRicardo M. Correia /* 3217*d20e665cSRicardo M. Correia * Commit callback data. 3218*d20e665cSRicardo M. Correia */ 3219*d20e665cSRicardo M. Correia typedef struct ztest_cb_data { 3220*d20e665cSRicardo M. Correia list_node_t zcd_node; 3221*d20e665cSRicardo M. Correia uint64_t zcd_txg; 3222*d20e665cSRicardo M. Correia int zcd_expected_err; 3223*d20e665cSRicardo M. Correia boolean_t zcd_added; 3224*d20e665cSRicardo M. Correia boolean_t zcd_called; 3225*d20e665cSRicardo M. Correia spa_t *zcd_spa; 3226*d20e665cSRicardo M. Correia } ztest_cb_data_t; 3227*d20e665cSRicardo M. Correia 3228*d20e665cSRicardo M. Correia /* This is the actual commit callback function */ 3229*d20e665cSRicardo M. Correia static void 3230*d20e665cSRicardo M. Correia ztest_commit_callback(void *arg, int error) 3231*d20e665cSRicardo M. Correia { 3232*d20e665cSRicardo M. Correia ztest_cb_data_t *data = arg; 3233*d20e665cSRicardo M. Correia uint64_t synced_txg; 3234*d20e665cSRicardo M. Correia 3235*d20e665cSRicardo M. Correia VERIFY(data != NULL); 3236*d20e665cSRicardo M. Correia VERIFY3S(data->zcd_expected_err, ==, error); 3237*d20e665cSRicardo M. Correia VERIFY(!data->zcd_called); 3238*d20e665cSRicardo M. Correia 3239*d20e665cSRicardo M. Correia synced_txg = spa_last_synced_txg(data->zcd_spa); 3240*d20e665cSRicardo M. Correia if (data->zcd_txg > synced_txg) 3241*d20e665cSRicardo M. Correia fatal(0, "commit callback of txg %" PRIu64 " called prematurely" 3242*d20e665cSRicardo M. Correia ", last synced txg = %" PRIu64 "\n", data->zcd_txg, 3243*d20e665cSRicardo M. Correia synced_txg); 3244*d20e665cSRicardo M. Correia 3245*d20e665cSRicardo M. Correia data->zcd_called = B_TRUE; 3246*d20e665cSRicardo M. Correia 3247*d20e665cSRicardo M. Correia if (error == ECANCELED) { 3248*d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, ==, 0); 3249*d20e665cSRicardo M. Correia ASSERT(!data->zcd_added); 3250*d20e665cSRicardo M. Correia 3251*d20e665cSRicardo M. Correia /* 3252*d20e665cSRicardo M. Correia * The private callback data should be destroyed here, but 3253*d20e665cSRicardo M. Correia * since we are going to check the zcd_called field after 3254*d20e665cSRicardo M. Correia * dmu_tx_abort(), we will destroy it there. 3255*d20e665cSRicardo M. Correia */ 3256*d20e665cSRicardo M. Correia return; 3257*d20e665cSRicardo M. Correia } 3258*d20e665cSRicardo M. Correia 3259*d20e665cSRicardo M. Correia /* Was this callback added to the global callback list? */ 3260*d20e665cSRicardo M. Correia if (!data->zcd_added) 3261*d20e665cSRicardo M. Correia goto out; 3262*d20e665cSRicardo M. Correia 3263*d20e665cSRicardo M. Correia ASSERT3U(data->zcd_txg, !=, 0); 3264*d20e665cSRicardo M. Correia 3265*d20e665cSRicardo M. Correia /* Remove our callback from the list */ 3266*d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 3267*d20e665cSRicardo M. Correia list_remove(&zcl.zcl_callbacks, data); 3268*d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 3269*d20e665cSRicardo M. Correia 3270*d20e665cSRicardo M. Correia out: 3271*d20e665cSRicardo M. Correia umem_free(data, sizeof (ztest_cb_data_t)); 3272*d20e665cSRicardo M. Correia } 3273*d20e665cSRicardo M. Correia 3274*d20e665cSRicardo M. Correia /* Allocate and initialize callback data structure */ 3275*d20e665cSRicardo M. Correia static ztest_cb_data_t * 3276*d20e665cSRicardo M. Correia ztest_create_cb_data(objset_t *os, uint64_t txg) 3277*d20e665cSRicardo M. Correia { 3278*d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data; 3279*d20e665cSRicardo M. Correia 3280*d20e665cSRicardo M. Correia cb_data = umem_zalloc(sizeof (ztest_cb_data_t), UMEM_NOFAIL); 3281*d20e665cSRicardo M. Correia 3282*d20e665cSRicardo M. Correia cb_data->zcd_txg = txg; 3283*d20e665cSRicardo M. Correia cb_data->zcd_spa = dmu_objset_spa(os); 3284*d20e665cSRicardo M. Correia 3285*d20e665cSRicardo M. Correia return (cb_data); 3286*d20e665cSRicardo M. Correia } 3287*d20e665cSRicardo M. Correia 3288*d20e665cSRicardo M. Correia /* 3289*d20e665cSRicardo M. Correia * If a number of txgs equal to this threshold have been created after a commit 3290*d20e665cSRicardo M. Correia * callback has been registered but not called, then we assume there is an 3291*d20e665cSRicardo M. Correia * implementation bug. 3292*d20e665cSRicardo M. Correia */ 3293*d20e665cSRicardo M. Correia #define ZTEST_COMMIT_CALLBACK_THRESH (TXG_CONCURRENT_STATES + 2) 3294*d20e665cSRicardo M. Correia 3295*d20e665cSRicardo M. Correia /* 3296*d20e665cSRicardo M. Correia * Commit callback test. 3297*d20e665cSRicardo M. Correia */ 3298*d20e665cSRicardo M. Correia void 3299*d20e665cSRicardo M. Correia ztest_dmu_commit_callbacks(ztest_args_t *za) 3300*d20e665cSRicardo M. Correia { 3301*d20e665cSRicardo M. Correia objset_t *os = za->za_os; 3302*d20e665cSRicardo M. Correia dmu_tx_t *tx; 3303*d20e665cSRicardo M. Correia ztest_cb_data_t *cb_data[3], *tmp_cb; 3304*d20e665cSRicardo M. Correia uint64_t old_txg, txg; 3305*d20e665cSRicardo M. Correia int i, error; 3306*d20e665cSRicardo M. Correia 3307*d20e665cSRicardo M. Correia tx = dmu_tx_create(os); 3308*d20e665cSRicardo M. Correia 3309*d20e665cSRicardo M. Correia cb_data[0] = ztest_create_cb_data(os, 0); 3310*d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[0]); 3311*d20e665cSRicardo M. Correia 3312*d20e665cSRicardo M. Correia dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t)); 3313*d20e665cSRicardo M. Correia 3314*d20e665cSRicardo M. Correia /* Every once in a while, abort the transaction on purpose */ 3315*d20e665cSRicardo M. Correia if (ztest_random(100) == 0) 3316*d20e665cSRicardo M. Correia error = -1; 3317*d20e665cSRicardo M. Correia 3318*d20e665cSRicardo M. Correia if (!error) 3319*d20e665cSRicardo M. Correia error = dmu_tx_assign(tx, TXG_NOWAIT); 3320*d20e665cSRicardo M. Correia 3321*d20e665cSRicardo M. Correia txg = error ? 0 : dmu_tx_get_txg(tx); 3322*d20e665cSRicardo M. Correia 3323*d20e665cSRicardo M. Correia cb_data[0]->zcd_txg = txg; 3324*d20e665cSRicardo M. Correia cb_data[1] = ztest_create_cb_data(os, txg); 3325*d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[1]); 3326*d20e665cSRicardo M. Correia 3327*d20e665cSRicardo M. Correia if (error) { 3328*d20e665cSRicardo M. Correia /* 3329*d20e665cSRicardo M. Correia * It's not a strict requirement to call the registered 3330*d20e665cSRicardo M. Correia * callbacks from inside dmu_tx_abort(), but that's what 3331*d20e665cSRicardo M. Correia * it's supposed to happen in the current implementation 3332*d20e665cSRicardo M. Correia * so we will check for that. 3333*d20e665cSRicardo M. Correia */ 3334*d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 3335*d20e665cSRicardo M. Correia cb_data[i]->zcd_expected_err = ECANCELED; 3336*d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 3337*d20e665cSRicardo M. Correia } 3338*d20e665cSRicardo M. Correia 3339*d20e665cSRicardo M. Correia dmu_tx_abort(tx); 3340*d20e665cSRicardo M. Correia 3341*d20e665cSRicardo M. Correia for (i = 0; i < 2; i++) { 3342*d20e665cSRicardo M. Correia VERIFY(cb_data[i]->zcd_called); 3343*d20e665cSRicardo M. Correia umem_free(cb_data[i], sizeof (ztest_cb_data_t)); 3344*d20e665cSRicardo M. Correia } 3345*d20e665cSRicardo M. Correia 3346*d20e665cSRicardo M. Correia return; 3347*d20e665cSRicardo M. Correia } 3348*d20e665cSRicardo M. Correia 3349*d20e665cSRicardo M. Correia cb_data[2] = ztest_create_cb_data(os, txg); 3350*d20e665cSRicardo M. Correia dmu_tx_callback_register(tx, ztest_commit_callback, cb_data[2]); 3351*d20e665cSRicardo M. Correia 3352*d20e665cSRicardo M. Correia /* 3353*d20e665cSRicardo M. Correia * Read existing data to make sure there isn't a future leak. 3354*d20e665cSRicardo M. Correia */ 3355*d20e665cSRicardo M. Correia VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), 3356*d20e665cSRicardo M. Correia &old_txg, DMU_READ_PREFETCH)); 3357*d20e665cSRicardo M. Correia 3358*d20e665cSRicardo M. Correia if (old_txg > txg) 3359*d20e665cSRicardo M. Correia fatal(0, "future leak: got %" PRIu64 ", open txg is %" PRIu64, 3360*d20e665cSRicardo M. Correia old_txg, txg); 3361*d20e665cSRicardo M. Correia 3362*d20e665cSRicardo M. Correia dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), &txg, tx); 3363*d20e665cSRicardo M. Correia 3364*d20e665cSRicardo M. Correia (void) mutex_lock(&zcl.zcl_callbacks_lock); 3365*d20e665cSRicardo M. Correia 3366*d20e665cSRicardo M. Correia /* 3367*d20e665cSRicardo M. Correia * Since commit callbacks don't have any ordering requirement and since 3368*d20e665cSRicardo M. Correia * it is theoretically possible for a commit callback to be called 3369*d20e665cSRicardo M. Correia * after an arbitrary amount of time has elapsed since its txg has been 3370*d20e665cSRicardo M. Correia * synced, it is difficult to reliably determine whether a commit 3371*d20e665cSRicardo M. Correia * callback hasn't been called due to high load or due to a flawed 3372*d20e665cSRicardo M. Correia * implementation. 3373*d20e665cSRicardo M. Correia * 3374*d20e665cSRicardo M. Correia * In practice, we will assume that if after a certain number of txgs a 3375*d20e665cSRicardo M. Correia * commit callback hasn't been called, then most likely there's an 3376*d20e665cSRicardo M. Correia * implementation bug.. 3377*d20e665cSRicardo M. Correia */ 3378*d20e665cSRicardo M. Correia tmp_cb = list_head(&zcl.zcl_callbacks); 3379*d20e665cSRicardo M. Correia if (tmp_cb != NULL && 3380*d20e665cSRicardo M. Correia tmp_cb->zcd_txg > txg - ZTEST_COMMIT_CALLBACK_THRESH) { 3381*d20e665cSRicardo M. Correia fatal(0, "Commit callback threshold exceeded, oldest txg: %" 3382*d20e665cSRicardo M. Correia PRIu64 ", open txg: %" PRIu64 "\n", tmp_cb->zcd_txg, txg); 3383*d20e665cSRicardo M. Correia } 3384*d20e665cSRicardo M. Correia 3385*d20e665cSRicardo M. Correia /* 3386*d20e665cSRicardo M. Correia * Let's find the place to insert our callbacks. 3387*d20e665cSRicardo M. Correia * 3388*d20e665cSRicardo M. Correia * Even though the list is ordered by txg, it is possible for the 3389*d20e665cSRicardo M. Correia * insertion point to not be the end because our txg may already be 3390*d20e665cSRicardo M. Correia * quiescing at this point and other callbacks in the open txg 3391*d20e665cSRicardo M. Correia * (from other objsets) may have sneaked in. 3392*d20e665cSRicardo M. Correia */ 3393*d20e665cSRicardo M. Correia tmp_cb = list_tail(&zcl.zcl_callbacks); 3394*d20e665cSRicardo M. Correia while (tmp_cb != NULL && tmp_cb->zcd_txg > txg) 3395*d20e665cSRicardo M. Correia tmp_cb = list_prev(&zcl.zcl_callbacks, tmp_cb); 3396*d20e665cSRicardo M. Correia 3397*d20e665cSRicardo M. Correia /* Add the 3 callbacks to the list */ 3398*d20e665cSRicardo M. Correia for (i = 0; i < 3; i++) { 3399*d20e665cSRicardo M. Correia if (tmp_cb == NULL) 3400*d20e665cSRicardo M. Correia list_insert_head(&zcl.zcl_callbacks, cb_data[i]); 3401*d20e665cSRicardo M. Correia else 3402*d20e665cSRicardo M. Correia list_insert_after(&zcl.zcl_callbacks, tmp_cb, 3403*d20e665cSRicardo M. Correia cb_data[i]); 3404*d20e665cSRicardo M. Correia 3405*d20e665cSRicardo M. Correia cb_data[i]->zcd_added = B_TRUE; 3406*d20e665cSRicardo M. Correia VERIFY(!cb_data[i]->zcd_called); 3407*d20e665cSRicardo M. Correia 3408*d20e665cSRicardo M. Correia tmp_cb = cb_data[i]; 3409*d20e665cSRicardo M. Correia } 3410*d20e665cSRicardo M. Correia 3411*d20e665cSRicardo M. Correia (void) mutex_unlock(&zcl.zcl_callbacks_lock); 3412*d20e665cSRicardo M. Correia 3413*d20e665cSRicardo M. Correia dmu_tx_commit(tx); 3414*d20e665cSRicardo M. Correia } 3415*d20e665cSRicardo M. Correia 3416fa9e4066Sahrens void 3417fa9e4066Sahrens ztest_dsl_prop_get_set(ztest_args_t *za) 3418fa9e4066Sahrens { 3419fa9e4066Sahrens objset_t *os = za->za_os; 3420fa9e4066Sahrens int i, inherit; 3421fa9e4066Sahrens uint64_t value; 3422fa9e4066Sahrens const char *prop, *valname; 3423fa9e4066Sahrens char setpoint[MAXPATHLEN]; 3424fa9e4066Sahrens char osname[MAXNAMELEN]; 3425ea8dc4b6Seschrock int error; 3426fa9e4066Sahrens 3427fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3428fa9e4066Sahrens 3429fa9e4066Sahrens dmu_objset_name(os, osname); 3430fa9e4066Sahrens 3431fa9e4066Sahrens for (i = 0; i < 2; i++) { 3432fa9e4066Sahrens if (i == 0) { 3433fa9e4066Sahrens prop = "checksum"; 3434fa9e4066Sahrens value = ztest_random_checksum(); 3435fa9e4066Sahrens inherit = (value == ZIO_CHECKSUM_INHERIT); 3436fa9e4066Sahrens } else { 3437fa9e4066Sahrens prop = "compression"; 3438fa9e4066Sahrens value = ztest_random_compress(); 3439fa9e4066Sahrens inherit = (value == ZIO_COMPRESS_INHERIT); 3440fa9e4066Sahrens } 3441fa9e4066Sahrens 3442ea8dc4b6Seschrock error = dsl_prop_set(osname, prop, sizeof (value), 3443ea8dc4b6Seschrock !inherit, &value); 3444ea8dc4b6Seschrock 3445ea8dc4b6Seschrock if (error == ENOSPC) { 3446ea8dc4b6Seschrock ztest_record_enospc("dsl_prop_set"); 3447ea8dc4b6Seschrock break; 3448ea8dc4b6Seschrock } 3449ea8dc4b6Seschrock 3450ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 3451fa9e4066Sahrens 3452fa9e4066Sahrens VERIFY3U(dsl_prop_get(osname, prop, sizeof (value), 3453fa9e4066Sahrens 1, &value, setpoint), ==, 0); 3454fa9e4066Sahrens 3455fa9e4066Sahrens if (i == 0) 3456fa9e4066Sahrens valname = zio_checksum_table[value].ci_name; 3457fa9e4066Sahrens else 3458fa9e4066Sahrens valname = zio_compress_table[value].ci_name; 3459fa9e4066Sahrens 3460fa9e4066Sahrens if (zopt_verbose >= 6) { 3461fa9e4066Sahrens (void) printf("%s %s = %s for '%s'\n", 3462fa9e4066Sahrens osname, prop, valname, setpoint); 3463fa9e4066Sahrens } 3464fa9e4066Sahrens } 3465fa9e4066Sahrens 3466fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3467fa9e4066Sahrens } 3468fa9e4066Sahrens 3469fa9e4066Sahrens /* 3470fa9e4066Sahrens * Inject random faults into the on-disk data. 3471fa9e4066Sahrens */ 3472fa9e4066Sahrens void 3473fa9e4066Sahrens ztest_fault_inject(ztest_args_t *za) 3474fa9e4066Sahrens { 3475fa9e4066Sahrens int fd; 3476fa9e4066Sahrens uint64_t offset; 3477fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 3478fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 3479fa9e4066Sahrens uint64_t top, leaf; 3480fa9e4066Sahrens char path0[MAXPATHLEN]; 3481fa9e4066Sahrens char pathrand[MAXPATHLEN]; 3482fa9e4066Sahrens size_t fsize; 3483e05725b1Sbonwick spa_t *spa = za->za_spa; 3484fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 3485fa9e4066Sahrens int iters = 1000; 3486e14bb325SJeff Bonwick int maxfaults = zopt_maxfaults; 3487e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 3488ea8dc4b6Seschrock uint64_t guid0 = 0; 3489ea8dc4b6Seschrock 3490e14bb325SJeff Bonwick ASSERT(leaves >= 1); 3491fa9e4066Sahrens 3492fa9e4066Sahrens /* 3493e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 3494fa9e4066Sahrens */ 3495e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 3496fa9e4066Sahrens 3497e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 3498e14bb325SJeff Bonwick /* 3499e14bb325SJeff Bonwick * Inject errors on a normal data device. 3500e14bb325SJeff Bonwick */ 3501e14bb325SJeff Bonwick top = ztest_random(spa->spa_root_vdev->vdev_children); 3502e14bb325SJeff Bonwick leaf = ztest_random(leaves); 3503fa9e4066Sahrens 3504e14bb325SJeff Bonwick /* 3505e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 3506e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 3507e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 3508e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 3509e14bb325SJeff Bonwick */ 3510e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 3511e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + 0); 3512e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 3513e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 3514fa9e4066Sahrens 3515e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 3516e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 3517e14bb325SJeff Bonwick /* 3518e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 3519e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 3520e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 3521e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 3522e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 3523e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 3524e14bb325SJeff Bonwick * combination of this with injection of random data 3525e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 3526e14bb325SJeff Bonwick */ 3527e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 3528e14bb325SJeff Bonwick 3529e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 3530e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 3531e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 3532e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 3533e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 3534e14bb325SJeff Bonwick } else { 3535e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 3536e14bb325SJeff Bonwick } 3537e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 3538e14bb325SJeff Bonwick } 3539e14bb325SJeff Bonwick } else { 3540e14bb325SJeff Bonwick /* 3541e14bb325SJeff Bonwick * Inject errors on an l2cache device. 3542e14bb325SJeff Bonwick */ 3543e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 3544fa9e4066Sahrens 3545e14bb325SJeff Bonwick if (sav->sav_count == 0) { 3546e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 3547e14bb325SJeff Bonwick return; 3548e14bb325SJeff Bonwick } 3549e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 3550ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 3551e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 3552e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 3553e14bb325SJeff Bonwick 3554e14bb325SJeff Bonwick leaf = 0; 3555e14bb325SJeff Bonwick leaves = 1; 3556e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 3557fa9e4066Sahrens } 3558fa9e4066Sahrens 3559e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 3560e14bb325SJeff Bonwick 3561e14bb325SJeff Bonwick if (maxfaults == 0) 3562e14bb325SJeff Bonwick return; 3563fa9e4066Sahrens 3564fa9e4066Sahrens /* 3565ea8dc4b6Seschrock * If we can tolerate two or more faults, randomly online/offline vd0. 3566fa9e4066Sahrens */ 3567e14bb325SJeff Bonwick if (maxfaults >= 2 && guid0 != 0) { 35688ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 35698ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 35708ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 35718ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 35728ad4d6ddSJeff Bonwick } else { 35738ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 35748ad4d6ddSJeff Bonwick } 3575fa9e4066Sahrens } 3576fa9e4066Sahrens 3577fa9e4066Sahrens /* 3578ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 3579fa9e4066Sahrens */ 3580fa9e4066Sahrens fd = open(pathrand, O_RDWR); 3581fa9e4066Sahrens 3582fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 3583fa9e4066Sahrens return; 3584fa9e4066Sahrens 3585fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 3586fa9e4066Sahrens 3587fa9e4066Sahrens while (--iters != 0) { 3588fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 3589fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 3590fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 3591fa9e4066Sahrens 3592fa9e4066Sahrens if (offset >= fsize) 3593fa9e4066Sahrens continue; 3594fa9e4066Sahrens 3595fa9e4066Sahrens if (zopt_verbose >= 6) 3596fa9e4066Sahrens (void) printf("injecting bad word into %s," 3597fa9e4066Sahrens " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 3598fa9e4066Sahrens 3599fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 3600fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 3601fa9e4066Sahrens offset, pathrand); 3602fa9e4066Sahrens } 3603fa9e4066Sahrens 3604fa9e4066Sahrens (void) close(fd); 3605fa9e4066Sahrens } 3606fa9e4066Sahrens 3607fa9e4066Sahrens /* 3608fa9e4066Sahrens * Scrub the pool. 3609fa9e4066Sahrens */ 3610fa9e4066Sahrens void 3611fa9e4066Sahrens ztest_scrub(ztest_args_t *za) 3612fa9e4066Sahrens { 3613e05725b1Sbonwick spa_t *spa = za->za_spa; 3614fa9e4066Sahrens 3615088f3894Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 3616fa9e4066Sahrens (void) poll(NULL, 0, 1000); /* wait a second, then force a restart */ 3617088f3894Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 3618fa9e4066Sahrens } 3619fa9e4066Sahrens 3620fa9e4066Sahrens /* 3621fa9e4066Sahrens * Rename the pool to a different name and then rename it back. 3622fa9e4066Sahrens */ 3623fa9e4066Sahrens void 3624fa9e4066Sahrens ztest_spa_rename(ztest_args_t *za) 3625fa9e4066Sahrens { 3626fa9e4066Sahrens char *oldname, *newname; 3627fa9e4066Sahrens int error; 3628fa9e4066Sahrens spa_t *spa; 3629fa9e4066Sahrens 3630fa9e4066Sahrens (void) rw_wrlock(&ztest_shared->zs_name_lock); 3631fa9e4066Sahrens 3632fa9e4066Sahrens oldname = za->za_pool; 3633fa9e4066Sahrens newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 3634fa9e4066Sahrens (void) strcpy(newname, oldname); 3635fa9e4066Sahrens (void) strcat(newname, "_tmp"); 3636fa9e4066Sahrens 3637fa9e4066Sahrens /* 3638fa9e4066Sahrens * Do the rename 3639fa9e4066Sahrens */ 3640fa9e4066Sahrens error = spa_rename(oldname, newname); 3641fa9e4066Sahrens if (error) 3642fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", oldname, 3643fa9e4066Sahrens newname, error); 3644fa9e4066Sahrens 3645fa9e4066Sahrens /* 3646fa9e4066Sahrens * Try to open it under the old name, which shouldn't exist 3647fa9e4066Sahrens */ 3648fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3649fa9e4066Sahrens if (error != ENOENT) 3650fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 3651fa9e4066Sahrens 3652fa9e4066Sahrens /* 3653fa9e4066Sahrens * Open it under the new name and make sure it's still the same spa_t. 3654fa9e4066Sahrens */ 3655fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 3656fa9e4066Sahrens if (error != 0) 3657fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3658fa9e4066Sahrens 3659e05725b1Sbonwick ASSERT(spa == za->za_spa); 3660fa9e4066Sahrens spa_close(spa, FTAG); 3661fa9e4066Sahrens 3662fa9e4066Sahrens /* 3663fa9e4066Sahrens * Rename it back to the original 3664fa9e4066Sahrens */ 3665fa9e4066Sahrens error = spa_rename(newname, oldname); 3666fa9e4066Sahrens if (error) 3667fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", newname, 3668fa9e4066Sahrens oldname, error); 3669fa9e4066Sahrens 3670fa9e4066Sahrens /* 3671fa9e4066Sahrens * Make sure it can still be opened 3672fa9e4066Sahrens */ 3673fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3674fa9e4066Sahrens if (error != 0) 3675fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 3676fa9e4066Sahrens 3677e05725b1Sbonwick ASSERT(spa == za->za_spa); 3678fa9e4066Sahrens spa_close(spa, FTAG); 3679fa9e4066Sahrens 3680fa9e4066Sahrens umem_free(newname, strlen(newname) + 1); 3681fa9e4066Sahrens 3682fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3683fa9e4066Sahrens } 3684fa9e4066Sahrens 3685fa9e4066Sahrens 3686fa9e4066Sahrens /* 3687fa9e4066Sahrens * Completely obliterate one disk. 3688fa9e4066Sahrens */ 3689fa9e4066Sahrens static void 3690fa9e4066Sahrens ztest_obliterate_one_disk(uint64_t vdev) 3691fa9e4066Sahrens { 3692fa9e4066Sahrens int fd; 3693d80c45e0Sbonwick char dev_name[MAXPATHLEN], copy_name[MAXPATHLEN]; 3694fa9e4066Sahrens size_t fsize; 3695fa9e4066Sahrens 3696fa9e4066Sahrens if (zopt_maxfaults < 2) 3697fa9e4066Sahrens return; 3698fa9e4066Sahrens 3699fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 3700d80c45e0Sbonwick (void) snprintf(copy_name, MAXPATHLEN, "%s.old", dev_name); 3701fa9e4066Sahrens 3702fa9e4066Sahrens fd = open(dev_name, O_RDWR); 3703fa9e4066Sahrens 3704fa9e4066Sahrens if (fd == -1) 3705fa9e4066Sahrens fatal(1, "can't open %s", dev_name); 3706fa9e4066Sahrens 3707fa9e4066Sahrens /* 3708fa9e4066Sahrens * Determine the size. 3709fa9e4066Sahrens */ 3710fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 3711d80c45e0Sbonwick 3712fa9e4066Sahrens (void) close(fd); 3713fa9e4066Sahrens 3714fa9e4066Sahrens /* 3715d80c45e0Sbonwick * Rename the old device to dev_name.old (useful for debugging). 3716fa9e4066Sahrens */ 3717d80c45e0Sbonwick VERIFY(rename(dev_name, copy_name) == 0); 3718fa9e4066Sahrens 3719fa9e4066Sahrens /* 3720fa9e4066Sahrens * Create a new one. 3721fa9e4066Sahrens */ 3722fa9e4066Sahrens VERIFY((fd = open(dev_name, O_RDWR | O_CREAT | O_TRUNC, 0666)) >= 0); 3723fa9e4066Sahrens VERIFY(ftruncate(fd, fsize) == 0); 3724fa9e4066Sahrens (void) close(fd); 3725fa9e4066Sahrens } 3726fa9e4066Sahrens 3727fa9e4066Sahrens static void 3728fa9e4066Sahrens ztest_replace_one_disk(spa_t *spa, uint64_t vdev) 3729fa9e4066Sahrens { 3730fa9e4066Sahrens char dev_name[MAXPATHLEN]; 3731e14bb325SJeff Bonwick nvlist_t *root; 3732fa9e4066Sahrens int error; 3733ea8dc4b6Seschrock uint64_t guid; 3734ea8dc4b6Seschrock vdev_t *vd; 3735fa9e4066Sahrens 3736fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 3737fa9e4066Sahrens 3738fa9e4066Sahrens /* 3739fa9e4066Sahrens * Build the nvlist describing dev_name. 3740fa9e4066Sahrens */ 3741e14bb325SJeff Bonwick root = make_vdev_root(dev_name, NULL, 0, 0, 0, 0, 0, 1); 3742fa9e4066Sahrens 3743e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 3744ea8dc4b6Seschrock if ((vd = vdev_lookup_by_path(spa->spa_root_vdev, dev_name)) == NULL) 3745ea8dc4b6Seschrock guid = 0; 3746ea8dc4b6Seschrock else 3747ea8dc4b6Seschrock guid = vd->vdev_guid; 3748e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 3749ea8dc4b6Seschrock error = spa_vdev_attach(spa, guid, root, B_TRUE); 3750ecc2d604Sbonwick if (error != 0 && 3751ecc2d604Sbonwick error != EBUSY && 3752ecc2d604Sbonwick error != ENOTSUP && 3753ecc2d604Sbonwick error != ENODEV && 3754ecc2d604Sbonwick error != EDOM) 3755fa9e4066Sahrens fatal(0, "spa_vdev_attach(in-place) = %d", error); 3756fa9e4066Sahrens 3757fa9e4066Sahrens nvlist_free(root); 3758fa9e4066Sahrens } 3759fa9e4066Sahrens 3760fa9e4066Sahrens static void 3761fa9e4066Sahrens ztest_verify_blocks(char *pool) 3762fa9e4066Sahrens { 3763fa9e4066Sahrens int status; 3764fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 3765fa9e4066Sahrens char zbuf[1024]; 3766fa9e4066Sahrens char *bin; 37678654d025Sperrin char *ztest; 37688654d025Sperrin char *isa; 37698654d025Sperrin int isalen; 3770fa9e4066Sahrens FILE *fp; 3771fa9e4066Sahrens 3772fa9e4066Sahrens (void) realpath(getexecname(), zdb); 3773fa9e4066Sahrens 3774fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 3775fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 37768654d025Sperrin ztest = strstr(bin, "/ztest"); 37778654d025Sperrin isa = bin + 8; 37788654d025Sperrin isalen = ztest - isa; 37798654d025Sperrin isa = strdup(isa); 3780fa9e4066Sahrens /* LINTED */ 37813a57275aSck (void) sprintf(bin, 37826365109dSVictor Latushkin "/usr/sbin%.*s/zdb -bcc%s%s -U /tmp/zpool.cache %s", 37838654d025Sperrin isalen, 37848654d025Sperrin isa, 3785fa9e4066Sahrens zopt_verbose >= 3 ? "s" : "", 3786fa9e4066Sahrens zopt_verbose >= 4 ? "v" : "", 378788b7b0f2SMatthew Ahrens pool); 37888654d025Sperrin free(isa); 3789fa9e4066Sahrens 3790fa9e4066Sahrens if (zopt_verbose >= 5) 3791fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 3792fa9e4066Sahrens 3793fa9e4066Sahrens fp = popen(zdb, "r"); 3794fa9e4066Sahrens 3795fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 3796fa9e4066Sahrens if (zopt_verbose >= 3) 3797fa9e4066Sahrens (void) printf("%s", zbuf); 3798fa9e4066Sahrens 3799fa9e4066Sahrens status = pclose(fp); 3800fa9e4066Sahrens 3801fa9e4066Sahrens if (status == 0) 3802fa9e4066Sahrens return; 3803fa9e4066Sahrens 3804fa9e4066Sahrens ztest_dump_core = 0; 3805fa9e4066Sahrens if (WIFEXITED(status)) 3806fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 3807fa9e4066Sahrens else 3808fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 3809fa9e4066Sahrens } 3810fa9e4066Sahrens 3811fa9e4066Sahrens static void 3812fa9e4066Sahrens ztest_walk_pool_directory(char *header) 3813fa9e4066Sahrens { 3814fa9e4066Sahrens spa_t *spa = NULL; 3815fa9e4066Sahrens 3816fa9e4066Sahrens if (zopt_verbose >= 6) 3817fa9e4066Sahrens (void) printf("%s\n", header); 3818fa9e4066Sahrens 3819fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 3820fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 3821fa9e4066Sahrens if (zopt_verbose >= 6) 3822fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 3823fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 3824fa9e4066Sahrens } 3825fa9e4066Sahrens 3826fa9e4066Sahrens static void 3827fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 3828fa9e4066Sahrens { 38298ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 3830fa9e4066Sahrens uint64_t pool_guid; 3831fa9e4066Sahrens spa_t *spa; 3832fa9e4066Sahrens int error; 3833fa9e4066Sahrens 3834fa9e4066Sahrens if (zopt_verbose >= 4) { 3835fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 3836fa9e4066Sahrens oldname, newname); 3837fa9e4066Sahrens } 3838fa9e4066Sahrens 3839fa9e4066Sahrens /* 3840fa9e4066Sahrens * Clean up from previous runs. 3841fa9e4066Sahrens */ 3842fa9e4066Sahrens (void) spa_destroy(newname); 3843fa9e4066Sahrens 3844fa9e4066Sahrens /* 3845fa9e4066Sahrens * Get the pool's configuration and guid. 3846fa9e4066Sahrens */ 3847fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3848fa9e4066Sahrens if (error) 3849fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 3850fa9e4066Sahrens 38518ad4d6ddSJeff Bonwick /* 38528ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 38538ad4d6ddSJeff Bonwick */ 38548ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 38558ad4d6ddSJeff Bonwick (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 38568ad4d6ddSJeff Bonwick 3857fa9e4066Sahrens pool_guid = spa_guid(spa); 3858fa9e4066Sahrens spa_close(spa, FTAG); 3859fa9e4066Sahrens 3860fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 3861fa9e4066Sahrens 3862fa9e4066Sahrens /* 3863fa9e4066Sahrens * Export it. 3864fa9e4066Sahrens */ 3865394ab0cbSGeorge Wilson error = spa_export(oldname, &config, B_FALSE, B_FALSE); 3866fa9e4066Sahrens if (error) 3867fa9e4066Sahrens fatal(0, "spa_export('%s') = %d", oldname, error); 3868fa9e4066Sahrens 3869fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 3870fa9e4066Sahrens 38718ad4d6ddSJeff Bonwick /* 38728ad4d6ddSJeff Bonwick * Try to import it. 38738ad4d6ddSJeff Bonwick */ 38748ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 38758ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 38768ad4d6ddSJeff Bonwick nvlist_free(newconfig); 38778ad4d6ddSJeff Bonwick 3878fa9e4066Sahrens /* 3879fa9e4066Sahrens * Import it under the new name. 3880fa9e4066Sahrens */ 3881fa9e4066Sahrens error = spa_import(newname, config, NULL); 3882fa9e4066Sahrens if (error) 3883fa9e4066Sahrens fatal(0, "spa_import('%s') = %d", newname, error); 3884fa9e4066Sahrens 3885fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 3886fa9e4066Sahrens 3887fa9e4066Sahrens /* 3888fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 3889fa9e4066Sahrens */ 3890fa9e4066Sahrens error = spa_import(newname, config, NULL); 3891fa9e4066Sahrens if (error != EEXIST) 3892fa9e4066Sahrens fatal(0, "spa_import('%s') twice", newname); 3893fa9e4066Sahrens 3894fa9e4066Sahrens /* 3895fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 3896fa9e4066Sahrens */ 3897fa9e4066Sahrens error = spa_import(oldname, config, NULL); 3898fa9e4066Sahrens if (error != EEXIST) 3899fa9e4066Sahrens fatal(0, "spa_import('%s') under multiple names", newname); 3900fa9e4066Sahrens 3901fa9e4066Sahrens /* 3902fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 3903fa9e4066Sahrens */ 3904fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3905fa9e4066Sahrens if (error != ENOENT) 3906fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3907fa9e4066Sahrens 3908fa9e4066Sahrens /* 3909fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 3910fa9e4066Sahrens */ 3911fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 3912fa9e4066Sahrens if (error) 3913fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3914fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 3915fa9e4066Sahrens spa_close(spa, FTAG); 3916fa9e4066Sahrens 3917fa9e4066Sahrens nvlist_free(config); 3918fa9e4066Sahrens } 3919fa9e4066Sahrens 39208ad4d6ddSJeff Bonwick static void 39218ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 39228ad4d6ddSJeff Bonwick { 39238ad4d6ddSJeff Bonwick if (spa_suspended(spa)) { 39248ad4d6ddSJeff Bonwick spa_vdev_state_enter(spa); 39258ad4d6ddSJeff Bonwick vdev_clear(spa, NULL); 39268ad4d6ddSJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 392754d692b7SGeorge Wilson (void) zio_resume(spa); 39288ad4d6ddSJeff Bonwick } 39298ad4d6ddSJeff Bonwick } 39308ad4d6ddSJeff Bonwick 39310a4e9518Sgw static void * 39328ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 39330a4e9518Sgw { 3934e14bb325SJeff Bonwick spa_t *spa = arg; 39350a4e9518Sgw 39360a4e9518Sgw while (!ztest_exiting) { 3937e14bb325SJeff Bonwick (void) poll(NULL, 0, 1000); 39388ad4d6ddSJeff Bonwick ztest_resume(spa); 39390a4e9518Sgw } 39400a4e9518Sgw return (NULL); 39410a4e9518Sgw } 39420a4e9518Sgw 3943fa9e4066Sahrens static void * 3944fa9e4066Sahrens ztest_thread(void *arg) 3945fa9e4066Sahrens { 3946fa9e4066Sahrens ztest_args_t *za = arg; 3947fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 3948fa9e4066Sahrens hrtime_t now, functime; 3949fa9e4066Sahrens ztest_info_t *zi; 3950e05725b1Sbonwick int f, i; 3951fa9e4066Sahrens 3952fa9e4066Sahrens while ((now = gethrtime()) < za->za_stop) { 3953fa9e4066Sahrens /* 3954fa9e4066Sahrens * See if it's time to force a crash. 3955fa9e4066Sahrens */ 3956fa9e4066Sahrens if (now > za->za_kill) { 3957e05725b1Sbonwick zs->zs_alloc = spa_get_alloc(za->za_spa); 3958e05725b1Sbonwick zs->zs_space = spa_get_space(za->za_spa); 3959fa9e4066Sahrens (void) kill(getpid(), SIGKILL); 3960fa9e4066Sahrens } 3961fa9e4066Sahrens 3962fa9e4066Sahrens /* 3963fa9e4066Sahrens * Pick a random function. 3964fa9e4066Sahrens */ 3965fa9e4066Sahrens f = ztest_random(ZTEST_FUNCS); 3966fa9e4066Sahrens zi = &zs->zs_info[f]; 3967fa9e4066Sahrens 3968fa9e4066Sahrens /* 3969fa9e4066Sahrens * Decide whether to call it, based on the requested frequency. 3970fa9e4066Sahrens */ 3971fa9e4066Sahrens if (zi->zi_call_target == 0 || 3972fa9e4066Sahrens (double)zi->zi_call_total / zi->zi_call_target > 3973fa9e4066Sahrens (double)(now - zs->zs_start_time) / (zopt_time * NANOSEC)) 3974fa9e4066Sahrens continue; 3975fa9e4066Sahrens 3976fa9e4066Sahrens atomic_add_64(&zi->zi_calls, 1); 3977fa9e4066Sahrens atomic_add_64(&zi->zi_call_total, 1); 3978fa9e4066Sahrens 3979fa9e4066Sahrens za->za_diroff = (za->za_instance * ZTEST_FUNCS + f) * 3980fa9e4066Sahrens ZTEST_DIRSIZE; 3981fa9e4066Sahrens za->za_diroff_shared = (1ULL << 63); 3982fa9e4066Sahrens 3983e05725b1Sbonwick for (i = 0; i < zi->zi_iters; i++) 3984e05725b1Sbonwick zi->zi_func(za); 3985fa9e4066Sahrens 3986fa9e4066Sahrens functime = gethrtime() - now; 3987fa9e4066Sahrens 3988fa9e4066Sahrens atomic_add_64(&zi->zi_call_time, functime); 3989fa9e4066Sahrens 3990fa9e4066Sahrens if (zopt_verbose >= 4) { 3991fa9e4066Sahrens Dl_info dli; 3992fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 3993fa9e4066Sahrens (void) printf("%6.2f sec in %s\n", 3994fa9e4066Sahrens (double)functime / NANOSEC, dli.dli_sname); 3995fa9e4066Sahrens } 3996fa9e4066Sahrens 3997fa9e4066Sahrens /* 3998fa9e4066Sahrens * If we're getting ENOSPC with some regularity, stop. 3999fa9e4066Sahrens */ 4000fa9e4066Sahrens if (zs->zs_enospc_count > 10) 4001fa9e4066Sahrens break; 4002fa9e4066Sahrens } 4003fa9e4066Sahrens 4004fa9e4066Sahrens return (NULL); 4005fa9e4066Sahrens } 4006fa9e4066Sahrens 4007fa9e4066Sahrens /* 4008fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 4009fa9e4066Sahrens */ 4010fa9e4066Sahrens static void 4011fa9e4066Sahrens ztest_run(char *pool) 4012fa9e4066Sahrens { 4013fa9e4066Sahrens int t, d, error; 4014fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 4015fa9e4066Sahrens ztest_args_t *za; 4016fa9e4066Sahrens spa_t *spa; 4017fa9e4066Sahrens char name[100]; 4018e14bb325SJeff Bonwick thread_t resume_tid; 4019e14bb325SJeff Bonwick 4020e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 4021fa9e4066Sahrens 4022fa9e4066Sahrens (void) _mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL); 4023fa9e4066Sahrens (void) rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL); 4024fa9e4066Sahrens 4025*d20e665cSRicardo M. Correia (void) _mutex_init(&zcl.zcl_callbacks_lock, USYNC_THREAD, 4026*d20e665cSRicardo M. Correia NULL); 4027*d20e665cSRicardo M. Correia 4028*d20e665cSRicardo M. Correia list_create(&zcl.zcl_callbacks, sizeof (ztest_cb_data_t), 4029*d20e665cSRicardo M. Correia offsetof(ztest_cb_data_t, zcd_node)); 4030*d20e665cSRicardo M. Correia 4031fa9e4066Sahrens for (t = 0; t < ZTEST_SYNC_LOCKS; t++) 4032fa9e4066Sahrens (void) _mutex_init(&zs->zs_sync_lock[t], USYNC_THREAD, NULL); 4033fa9e4066Sahrens 4034fa9e4066Sahrens /* 4035fa9e4066Sahrens * Destroy one disk before we even start. 4036fa9e4066Sahrens * It's mirrored, so everything should work just fine. 4037fa9e4066Sahrens * This makes us exercise fault handling very early in spa_load(). 4038fa9e4066Sahrens */ 4039fa9e4066Sahrens ztest_obliterate_one_disk(0); 4040fa9e4066Sahrens 4041fa9e4066Sahrens /* 4042fa9e4066Sahrens * Verify that the sum of the sizes of all blocks in the pool 4043fa9e4066Sahrens * equals the SPA's allocated space total. 4044fa9e4066Sahrens */ 4045fa9e4066Sahrens ztest_verify_blocks(pool); 4046fa9e4066Sahrens 4047fa9e4066Sahrens /* 4048fa9e4066Sahrens * Kick off a replacement of the disk we just obliterated. 4049fa9e4066Sahrens */ 4050fa9e4066Sahrens kernel_init(FREAD | FWRITE); 4051e14bb325SJeff Bonwick VERIFY(spa_open(pool, &spa, FTAG) == 0); 4052fa9e4066Sahrens ztest_replace_one_disk(spa, 0); 4053fa9e4066Sahrens if (zopt_verbose >= 5) 4054fa9e4066Sahrens show_pool_stats(spa); 4055fa9e4066Sahrens spa_close(spa, FTAG); 4056fa9e4066Sahrens kernel_fini(); 4057fa9e4066Sahrens 4058fa9e4066Sahrens kernel_init(FREAD | FWRITE); 4059fa9e4066Sahrens 4060fa9e4066Sahrens /* 4061fa9e4066Sahrens * Verify that we can export the pool and reimport it under a 4062fa9e4066Sahrens * different name. 4063fa9e4066Sahrens */ 40640e34b6a7Sbonwick if (ztest_random(2) == 0) { 40650e34b6a7Sbonwick (void) snprintf(name, 100, "%s_import", pool); 40660e34b6a7Sbonwick ztest_spa_import_export(pool, name); 40670e34b6a7Sbonwick ztest_spa_import_export(name, pool); 40680e34b6a7Sbonwick } 4069fa9e4066Sahrens 4070fa9e4066Sahrens /* 4071fa9e4066Sahrens * Verify that we can loop over all pools. 4072fa9e4066Sahrens */ 4073fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 4074fa9e4066Sahrens for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) { 4075fa9e4066Sahrens if (zopt_verbose > 3) { 4076fa9e4066Sahrens (void) printf("spa_next: found %s\n", spa_name(spa)); 4077fa9e4066Sahrens } 4078fa9e4066Sahrens } 4079fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 4080fa9e4066Sahrens 40810a4e9518Sgw /* 4082e14bb325SJeff Bonwick * Open our pool. 40830a4e9518Sgw */ 4084e14bb325SJeff Bonwick VERIFY(spa_open(pool, &spa, FTAG) == 0); 40850a4e9518Sgw 40868ad4d6ddSJeff Bonwick /* 40878ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 40888ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 40898ad4d6ddSJeff Bonwick * the only valid replica. 40908ad4d6ddSJeff Bonwick */ 40918ad4d6ddSJeff Bonwick if (zopt_maxfaults == 0) 40928ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 40938ad4d6ddSJeff Bonwick else 40948ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 40958ad4d6ddSJeff Bonwick 4096fa9e4066Sahrens /* 4097e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 4098fa9e4066Sahrens */ 40998ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 4100e14bb325SJeff Bonwick &resume_tid) == 0); 4101fa9e4066Sahrens 4102fa9e4066Sahrens /* 4103fa9e4066Sahrens * Verify that we can safely inquire about about any object, 4104fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 4105fa9e4066Sahrens * we probe a 5-wide window around each power of two. 4106fa9e4066Sahrens * This hits all edge cases, including zero and the max. 4107fa9e4066Sahrens */ 4108fa9e4066Sahrens for (t = 0; t < 64; t++) { 4109fa9e4066Sahrens for (d = -5; d <= 5; d++) { 4110fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 4111fa9e4066Sahrens (1ULL << t) + d, NULL); 4112ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 4113ea8dc4b6Seschrock error == EINVAL); 4114fa9e4066Sahrens } 4115fa9e4066Sahrens } 4116fa9e4066Sahrens 4117fa9e4066Sahrens /* 4118fa9e4066Sahrens * Now kick off all the tests that run in parallel. 4119fa9e4066Sahrens */ 4120fa9e4066Sahrens zs->zs_enospc_count = 0; 4121fa9e4066Sahrens 4122fa9e4066Sahrens za = umem_zalloc(zopt_threads * sizeof (ztest_args_t), UMEM_NOFAIL); 4123fa9e4066Sahrens 4124fa9e4066Sahrens if (zopt_verbose >= 4) 4125fa9e4066Sahrens (void) printf("starting main threads...\n"); 4126fa9e4066Sahrens 4127fa9e4066Sahrens za[0].za_start = gethrtime(); 4128fa9e4066Sahrens za[0].za_stop = za[0].za_start + zopt_passtime * NANOSEC; 4129fa9e4066Sahrens za[0].za_stop = MIN(za[0].za_stop, zs->zs_stop_time); 4130fa9e4066Sahrens za[0].za_kill = za[0].za_stop; 4131fa9e4066Sahrens if (ztest_random(100) < zopt_killrate) 4132fa9e4066Sahrens za[0].za_kill -= ztest_random(zopt_passtime * NANOSEC); 4133fa9e4066Sahrens 4134fa9e4066Sahrens for (t = 0; t < zopt_threads; t++) { 4135ecc2d604Sbonwick d = t % zopt_datasets; 4136e05725b1Sbonwick 4137e05725b1Sbonwick (void) strcpy(za[t].za_pool, pool); 4138e05725b1Sbonwick za[t].za_os = za[d].za_os; 4139e05725b1Sbonwick za[t].za_spa = spa; 4140e05725b1Sbonwick za[t].za_zilog = za[d].za_zilog; 4141e05725b1Sbonwick za[t].za_instance = t; 4142e05725b1Sbonwick za[t].za_random = ztest_random(-1ULL); 4143e05725b1Sbonwick za[t].za_start = za[0].za_start; 4144e05725b1Sbonwick za[t].za_stop = za[0].za_stop; 4145e05725b1Sbonwick za[t].za_kill = za[0].za_kill; 4146e05725b1Sbonwick 4147ecc2d604Sbonwick if (t < zopt_datasets) { 41484d31c452Smaybee int test_future = FALSE; 4149fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 4150fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_%d", pool, pool, d); 4151ae46e4c7SMatthew Ahrens error = dmu_objset_create(name, DMU_OST_OTHER, 0, 4152fa9e4066Sahrens ztest_create_cb, NULL); 41534d31c452Smaybee if (error == EEXIST) { 41544d31c452Smaybee test_future = TRUE; 4155e05725b1Sbonwick } else if (error == ENOSPC) { 4156e05725b1Sbonwick zs->zs_enospc_count++; 4157e05725b1Sbonwick (void) rw_unlock(&ztest_shared->zs_name_lock); 4158e05725b1Sbonwick break; 41594d31c452Smaybee } else if (error != 0) { 4160fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", 4161fa9e4066Sahrens name, error); 4162fa9e4066Sahrens } 4163503ad85cSMatthew Ahrens error = dmu_objset_hold(name, FTAG, &za[d].za_os); 4164fa9e4066Sahrens if (error) 4165fa9e4066Sahrens fatal(0, "dmu_objset_open('%s') = %d", 4166fa9e4066Sahrens name, error); 4167fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 4168e05725b1Sbonwick if (test_future) 4169e05725b1Sbonwick ztest_dmu_check_future_leak(&za[t]); 41701209a471SNeil Perrin zil_replay(za[d].za_os, za[d].za_os, 41711209a471SNeil Perrin ztest_replay_vector); 4172fa9e4066Sahrens za[d].za_zilog = zil_open(za[d].za_os, NULL); 4173fa9e4066Sahrens } 4174fa9e4066Sahrens 4175e14bb325SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, &za[t], THR_BOUND, 4176e14bb325SJeff Bonwick &za[t].za_thread) == 0); 4177fa9e4066Sahrens } 4178fa9e4066Sahrens 4179fa9e4066Sahrens while (--t >= 0) { 4180e14bb325SJeff Bonwick VERIFY(thr_join(za[t].za_thread, NULL, NULL) == 0); 4181ecc2d604Sbonwick if (t < zopt_datasets) { 4182fa9e4066Sahrens zil_close(za[t].za_zilog); 4183503ad85cSMatthew Ahrens dmu_objset_rele(za[t].za_os, FTAG); 4184fa9e4066Sahrens } 4185fa9e4066Sahrens } 4186fa9e4066Sahrens 4187fa9e4066Sahrens if (zopt_verbose >= 3) 4188fa9e4066Sahrens show_pool_stats(spa); 4189fa9e4066Sahrens 4190fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 4191fa9e4066Sahrens 4192fa9e4066Sahrens zs->zs_alloc = spa_get_alloc(spa); 4193fa9e4066Sahrens zs->zs_space = spa_get_space(spa); 4194fa9e4066Sahrens 4195fa9e4066Sahrens /* 4196e05725b1Sbonwick * If we had out-of-space errors, destroy a random objset. 4197fa9e4066Sahrens */ 4198fa9e4066Sahrens if (zs->zs_enospc_count != 0) { 4199fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 4200e05725b1Sbonwick d = (int)ztest_random(zopt_datasets); 4201e05725b1Sbonwick (void) snprintf(name, 100, "%s/%s_%d", pool, pool, d); 4202fa9e4066Sahrens if (zopt_verbose >= 3) 4203fa9e4066Sahrens (void) printf("Destroying %s to free up space\n", name); 4204718d718aSGeorge Wilson 4205718d718aSGeorge Wilson /* Cleanup any non-standard clones and snapshots */ 4206718d718aSGeorge Wilson ztest_dsl_dataset_cleanup(name, za[d].za_instance); 4207718d718aSGeorge Wilson 4208e05725b1Sbonwick (void) dmu_objset_find(name, ztest_destroy_cb, &za[d], 42090b69c2f0Sahrens DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 4210fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 4211fa9e4066Sahrens } 4212fa9e4066Sahrens 4213ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 4214fa9e4066Sahrens 4215e14bb325SJeff Bonwick umem_free(za, zopt_threads * sizeof (ztest_args_t)); 4216e14bb325SJeff Bonwick 4217e14bb325SJeff Bonwick /* Kill the resume thread */ 4218e14bb325SJeff Bonwick ztest_exiting = B_TRUE; 4219e14bb325SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 42208ad4d6ddSJeff Bonwick ztest_resume(spa); 4221e14bb325SJeff Bonwick 4222fa9e4066Sahrens /* 4223fa9e4066Sahrens * Right before closing the pool, kick off a bunch of async I/O; 4224fa9e4066Sahrens * spa_close() should wait for it to complete. 4225fa9e4066Sahrens */ 4226fa9e4066Sahrens for (t = 1; t < 50; t++) 4227fa9e4066Sahrens dmu_prefetch(spa->spa_meta_objset, t, 0, 1 << 15); 4228fa9e4066Sahrens 4229e05725b1Sbonwick spa_close(spa, FTAG); 4230e05725b1Sbonwick 4231fa9e4066Sahrens kernel_fini(); 4232*d20e665cSRicardo M. Correia 4233*d20e665cSRicardo M. Correia list_destroy(&zcl.zcl_callbacks); 4234*d20e665cSRicardo M. Correia 4235*d20e665cSRicardo M. Correia (void) _mutex_destroy(&zcl.zcl_callbacks_lock); 4236*d20e665cSRicardo M. Correia 4237*d20e665cSRicardo M. Correia (void) rwlock_destroy(&zs->zs_name_lock); 4238*d20e665cSRicardo M. Correia (void) _mutex_destroy(&zs->zs_vdev_lock); 4239fa9e4066Sahrens } 4240fa9e4066Sahrens 4241fa9e4066Sahrens void 4242fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 4243fa9e4066Sahrens { 4244fa9e4066Sahrens hrtime_t s = t / NANOSEC; 4245fa9e4066Sahrens hrtime_t m = s / 60; 4246fa9e4066Sahrens hrtime_t h = m / 60; 4247fa9e4066Sahrens hrtime_t d = h / 24; 4248fa9e4066Sahrens 4249fa9e4066Sahrens s -= m * 60; 4250fa9e4066Sahrens m -= h * 60; 4251fa9e4066Sahrens h -= d * 24; 4252fa9e4066Sahrens 4253fa9e4066Sahrens timebuf[0] = '\0'; 4254fa9e4066Sahrens 4255fa9e4066Sahrens if (d) 4256fa9e4066Sahrens (void) sprintf(timebuf, 4257fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 4258fa9e4066Sahrens else if (h) 4259fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 4260fa9e4066Sahrens else if (m) 4261fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 4262fa9e4066Sahrens else 4263fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 4264fa9e4066Sahrens } 4265fa9e4066Sahrens 4266fa9e4066Sahrens /* 4267fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 4268fa9e4066Sahrens * Then create the specified number of datasets in the pool. 4269fa9e4066Sahrens */ 4270fa9e4066Sahrens static void 4271fa9e4066Sahrens ztest_init(char *pool) 4272fa9e4066Sahrens { 4273fa9e4066Sahrens spa_t *spa; 4274fa9e4066Sahrens int error; 4275fa9e4066Sahrens nvlist_t *nvroot; 4276fa9e4066Sahrens 4277fa9e4066Sahrens kernel_init(FREAD | FWRITE); 4278fa9e4066Sahrens 4279fa9e4066Sahrens /* 4280fa9e4066Sahrens * Create the storage pool. 4281fa9e4066Sahrens */ 4282fa9e4066Sahrens (void) spa_destroy(pool); 428388ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = 0; 4284e14bb325SJeff Bonwick nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 4285e14bb325SJeff Bonwick 0, zopt_raidz, zopt_mirrors, 1); 42860a48a24eStimh error = spa_create(pool, nvroot, NULL, NULL, NULL); 4287fa9e4066Sahrens nvlist_free(nvroot); 4288fa9e4066Sahrens 4289fa9e4066Sahrens if (error) 4290fa9e4066Sahrens fatal(0, "spa_create() = %d", error); 4291fa9e4066Sahrens error = spa_open(pool, &spa, FTAG); 4292fa9e4066Sahrens if (error) 4293fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 4294fa9e4066Sahrens 4295d6e555bdSGeorge Wilson metaslab_sz = 1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift; 4296d6e555bdSGeorge Wilson 4297fa9e4066Sahrens if (zopt_verbose >= 3) 4298fa9e4066Sahrens show_pool_stats(spa); 4299fa9e4066Sahrens 4300fa9e4066Sahrens spa_close(spa, FTAG); 4301fa9e4066Sahrens 4302fa9e4066Sahrens kernel_fini(); 4303fa9e4066Sahrens } 4304fa9e4066Sahrens 4305fa9e4066Sahrens int 4306fa9e4066Sahrens main(int argc, char **argv) 4307fa9e4066Sahrens { 4308fa9e4066Sahrens int kills = 0; 4309fa9e4066Sahrens int iters = 0; 4310fa9e4066Sahrens int i, f; 4311fa9e4066Sahrens ztest_shared_t *zs; 4312fa9e4066Sahrens ztest_info_t *zi; 4313fa9e4066Sahrens char timebuf[100]; 4314fa9e4066Sahrens char numbuf[6]; 4315fa9e4066Sahrens 4316fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 4317fa9e4066Sahrens 4318fa9e4066Sahrens /* Override location of zpool.cache */ 4319c5904d13Seschrock spa_config_path = "/tmp/zpool.cache"; 4320fa9e4066Sahrens 4321fa9e4066Sahrens ztest_random_fd = open("/dev/urandom", O_RDONLY); 4322fa9e4066Sahrens 4323fa9e4066Sahrens process_options(argc, argv); 4324fa9e4066Sahrens 4325ea8dc4b6Seschrock /* 4326ea8dc4b6Seschrock * Blow away any existing copy of zpool.cache 4327ea8dc4b6Seschrock */ 4328ea8dc4b6Seschrock if (zopt_init != 0) 4329ea8dc4b6Seschrock (void) remove("/tmp/zpool.cache"); 4330ea8dc4b6Seschrock 4331fa9e4066Sahrens zs = ztest_shared = (void *)mmap(0, 4332fa9e4066Sahrens P2ROUNDUP(sizeof (ztest_shared_t), getpagesize()), 4333fa9e4066Sahrens PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); 4334fa9e4066Sahrens 4335fa9e4066Sahrens if (zopt_verbose >= 1) { 4336fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 4337fa9e4066Sahrens " %llu seconds...\n", 4338ecc2d604Sbonwick (u_longlong_t)zopt_vdevs, zopt_datasets, zopt_threads, 4339fa9e4066Sahrens (u_longlong_t)zopt_time); 4340fa9e4066Sahrens } 4341fa9e4066Sahrens 4342fa9e4066Sahrens /* 4343fa9e4066Sahrens * Create and initialize our storage pool. 4344fa9e4066Sahrens */ 4345fa9e4066Sahrens for (i = 1; i <= zopt_init; i++) { 4346fa9e4066Sahrens bzero(zs, sizeof (ztest_shared_t)); 4347fa9e4066Sahrens if (zopt_verbose >= 3 && zopt_init != 1) 4348fa9e4066Sahrens (void) printf("ztest_init(), pass %d\n", i); 4349fa9e4066Sahrens ztest_init(zopt_pool); 4350fa9e4066Sahrens } 4351fa9e4066Sahrens 4352fa9e4066Sahrens /* 4353fa9e4066Sahrens * Initialize the call targets for each function. 4354fa9e4066Sahrens */ 4355fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 4356fa9e4066Sahrens zi = &zs->zs_info[f]; 4357fa9e4066Sahrens 4358fa9e4066Sahrens *zi = ztest_info[f]; 4359fa9e4066Sahrens 4360fa9e4066Sahrens if (*zi->zi_interval == 0) 4361fa9e4066Sahrens zi->zi_call_target = UINT64_MAX; 4362fa9e4066Sahrens else 4363fa9e4066Sahrens zi->zi_call_target = zopt_time / *zi->zi_interval; 4364fa9e4066Sahrens } 4365fa9e4066Sahrens 4366fa9e4066Sahrens zs->zs_start_time = gethrtime(); 4367fa9e4066Sahrens zs->zs_stop_time = zs->zs_start_time + zopt_time * NANOSEC; 4368fa9e4066Sahrens 4369fa9e4066Sahrens /* 4370fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 4371fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 4372fa9e4066Sahrens * to verify that we never lose on-disk consistency. 4373fa9e4066Sahrens */ 4374fa9e4066Sahrens while (gethrtime() < zs->zs_stop_time) { 4375fa9e4066Sahrens int status; 4376fa9e4066Sahrens pid_t pid; 4377fa9e4066Sahrens char *tmp; 4378fa9e4066Sahrens 4379fa9e4066Sahrens /* 4380fa9e4066Sahrens * Initialize the workload counters for each function. 4381fa9e4066Sahrens */ 4382fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 4383fa9e4066Sahrens zi = &zs->zs_info[f]; 4384fa9e4066Sahrens zi->zi_calls = 0; 4385fa9e4066Sahrens zi->zi_call_time = 0; 4386fa9e4066Sahrens } 4387fa9e4066Sahrens 4388d6e555bdSGeorge Wilson /* Set the allocation switch size */ 4389d6e555bdSGeorge Wilson metaslab_df_alloc_threshold = ztest_random(metaslab_sz / 4) + 1; 4390d6e555bdSGeorge Wilson 4391fa9e4066Sahrens pid = fork(); 4392fa9e4066Sahrens 4393fa9e4066Sahrens if (pid == -1) 4394fa9e4066Sahrens fatal(1, "fork failed"); 4395fa9e4066Sahrens 4396fa9e4066Sahrens if (pid == 0) { /* child */ 4397fa9e4066Sahrens struct rlimit rl = { 1024, 1024 }; 4398fa9e4066Sahrens (void) setrlimit(RLIMIT_NOFILE, &rl); 4399004388ebScasper (void) enable_extended_FILE_stdio(-1, -1); 4400fa9e4066Sahrens ztest_run(zopt_pool); 4401fa9e4066Sahrens exit(0); 4402fa9e4066Sahrens } 4403fa9e4066Sahrens 44045ad82045Snd while (waitpid(pid, &status, 0) != pid) 4405fa9e4066Sahrens continue; 4406fa9e4066Sahrens 4407fa9e4066Sahrens if (WIFEXITED(status)) { 4408fa9e4066Sahrens if (WEXITSTATUS(status) != 0) { 4409fa9e4066Sahrens (void) fprintf(stderr, 4410fa9e4066Sahrens "child exited with code %d\n", 4411fa9e4066Sahrens WEXITSTATUS(status)); 4412fa9e4066Sahrens exit(2); 4413fa9e4066Sahrens } 44145ad82045Snd } else if (WIFSIGNALED(status)) { 4415fa9e4066Sahrens if (WTERMSIG(status) != SIGKILL) { 4416fa9e4066Sahrens (void) fprintf(stderr, 4417fa9e4066Sahrens "child died with signal %d\n", 4418fa9e4066Sahrens WTERMSIG(status)); 4419fa9e4066Sahrens exit(3); 4420fa9e4066Sahrens } 4421fa9e4066Sahrens kills++; 44225ad82045Snd } else { 44235ad82045Snd (void) fprintf(stderr, "something strange happened " 44245ad82045Snd "to child\n"); 44255ad82045Snd exit(4); 4426fa9e4066Sahrens } 4427fa9e4066Sahrens 4428fa9e4066Sahrens iters++; 4429fa9e4066Sahrens 4430fa9e4066Sahrens if (zopt_verbose >= 1) { 4431fa9e4066Sahrens hrtime_t now = gethrtime(); 4432fa9e4066Sahrens 4433fa9e4066Sahrens now = MIN(now, zs->zs_stop_time); 4434fa9e4066Sahrens print_time(zs->zs_stop_time - now, timebuf); 4435fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 4436fa9e4066Sahrens 4437fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 4438fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 4439fa9e4066Sahrens iters, 4440fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 4441fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 4442fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 4443fa9e4066Sahrens numbuf, 4444fa9e4066Sahrens 100.0 * (now - zs->zs_start_time) / 4445fa9e4066Sahrens (zopt_time * NANOSEC), timebuf); 4446fa9e4066Sahrens } 4447fa9e4066Sahrens 4448fa9e4066Sahrens if (zopt_verbose >= 2) { 4449fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 4450fa9e4066Sahrens (void) printf("%7s %9s %s\n", 4451fa9e4066Sahrens "Calls", "Time", "Function"); 4452fa9e4066Sahrens (void) printf("%7s %9s %s\n", 4453fa9e4066Sahrens "-----", "----", "--------"); 4454fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 4455fa9e4066Sahrens Dl_info dli; 4456fa9e4066Sahrens 4457fa9e4066Sahrens zi = &zs->zs_info[f]; 4458fa9e4066Sahrens print_time(zi->zi_call_time, timebuf); 4459fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 4460fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 4461fa9e4066Sahrens (u_longlong_t)zi->zi_calls, timebuf, 4462fa9e4066Sahrens dli.dli_sname); 4463fa9e4066Sahrens } 4464fa9e4066Sahrens (void) printf("\n"); 4465fa9e4066Sahrens } 4466fa9e4066Sahrens 4467fa9e4066Sahrens /* 4468fa9e4066Sahrens * It's possible that we killed a child during a rename test, in 4469fa9e4066Sahrens * which case we'll have a 'ztest_tmp' pool lying around instead 4470fa9e4066Sahrens * of 'ztest'. Do a blind rename in case this happened. 4471fa9e4066Sahrens */ 4472fa9e4066Sahrens tmp = umem_alloc(strlen(zopt_pool) + 5, UMEM_NOFAIL); 4473fa9e4066Sahrens (void) strcpy(tmp, zopt_pool); 4474fa9e4066Sahrens (void) strcat(tmp, "_tmp"); 4475fa9e4066Sahrens kernel_init(FREAD | FWRITE); 4476fa9e4066Sahrens (void) spa_rename(tmp, zopt_pool); 4477fa9e4066Sahrens kernel_fini(); 4478fa9e4066Sahrens umem_free(tmp, strlen(tmp) + 1); 4479fa9e4066Sahrens } 4480fa9e4066Sahrens 4481fa9e4066Sahrens ztest_verify_blocks(zopt_pool); 4482fa9e4066Sahrens 4483fa9e4066Sahrens if (zopt_verbose >= 1) { 4484fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 4485fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 4486fa9e4066Sahrens } 4487fa9e4066Sahrens 4488fa9e4066Sahrens return (0); 4489fa9e4066Sahrens } 4490