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 /* 22441d80aaSlling * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #pragma ident "%Z%%M% %I% %E% SMI" 27fa9e4066Sahrens 28fa9e4066Sahrens /* 29fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 30fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 31fa9e4066Sahrens * 32fa9e4066Sahrens * The overall design of the ztest program is as follows: 33fa9e4066Sahrens * 34fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 35fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 36fa9e4066Sahrens * we have a simple routine to test that functionality. These 37fa9e4066Sahrens * individual routines do not have to do anything "stressful". 38fa9e4066Sahrens * 39fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 40fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 41fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 42fa9e4066Sahrens * 43fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 44fa9e4066Sahrens * verify that self-healing data really works. 45fa9e4066Sahrens * 46fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 47fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 48fa9e4066Sahrens * in which checksum they use and whether they're compressed. 49fa9e4066Sahrens * 50fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 51fa9e4066Sahrens * we run the entire test in a child of the main process. 52fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 53fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 54fa9e4066Sahrens * The parent then runs the test again, using the existing 55fa9e4066Sahrens * storage pool, as many times as desired. 56fa9e4066Sahrens * 57fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 58fa9e4066Sahrens * many of the functional tests record the transaction group number 59fa9e4066Sahrens * as part of their data. When reading old data, they verify that 60fa9e4066Sahrens * the transaction group number is less than the current, open txg. 61fa9e4066Sahrens * If you add a new test, please do this if applicable. 62fa9e4066Sahrens * 63fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 64fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 65fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 66fa9e4066Sahrens * 67fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 68fa9e4066Sahrens * 69fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 70fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 71fa9e4066Sahrens * 72fa9e4066Sahrens * The -N(okill) option will suppress kills, so each child runs to completion. 73fa9e4066Sahrens * This can be useful when you're trying to distinguish temporal incursions 74fa9e4066Sahrens * from plain old race conditions. 75fa9e4066Sahrens */ 76fa9e4066Sahrens 77fa9e4066Sahrens #include <sys/zfs_context.h> 78fa9e4066Sahrens #include <sys/spa.h> 79fa9e4066Sahrens #include <sys/dmu.h> 80fa9e4066Sahrens #include <sys/txg.h> 81fa9e4066Sahrens #include <sys/zap.h> 82fa9e4066Sahrens #include <sys/dmu_traverse.h> 83fa9e4066Sahrens #include <sys/dmu_objset.h> 84fa9e4066Sahrens #include <sys/poll.h> 85fa9e4066Sahrens #include <sys/stat.h> 86fa9e4066Sahrens #include <sys/time.h> 87fa9e4066Sahrens #include <sys/wait.h> 88fa9e4066Sahrens #include <sys/mman.h> 89fa9e4066Sahrens #include <sys/resource.h> 90fa9e4066Sahrens #include <sys/zio.h> 91fa9e4066Sahrens #include <sys/zio_checksum.h> 92fa9e4066Sahrens #include <sys/zio_compress.h> 93fa9e4066Sahrens #include <sys/zil.h> 94fa9e4066Sahrens #include <sys/vdev_impl.h> 95fa9e4066Sahrens #include <sys/spa_impl.h> 96fa9e4066Sahrens #include <sys/dsl_prop.h> 97fa9e4066Sahrens #include <sys/refcount.h> 98fa9e4066Sahrens #include <stdio.h> 99004388ebScasper #include <stdio_ext.h> 100fa9e4066Sahrens #include <stdlib.h> 101fa9e4066Sahrens #include <unistd.h> 102fa9e4066Sahrens #include <signal.h> 103fa9e4066Sahrens #include <umem.h> 104fa9e4066Sahrens #include <dlfcn.h> 105fa9e4066Sahrens #include <ctype.h> 106fa9e4066Sahrens #include <math.h> 107fa9e4066Sahrens #include <sys/fs/zfs.h> 108fa9e4066Sahrens 109fa9e4066Sahrens static char cmdname[] = "ztest"; 110fa9e4066Sahrens static char *zopt_pool = cmdname; 111fa9e4066Sahrens 112fa9e4066Sahrens static uint64_t zopt_vdevs = 5; 113fa9e4066Sahrens static uint64_t zopt_vdevtime; 114ecc2d604Sbonwick static int zopt_ashift = SPA_MINBLOCKSHIFT; 115fa9e4066Sahrens static int zopt_mirrors = 2; 116fa9e4066Sahrens static int zopt_raidz = 4; 117*99653d4eSeschrock static int zopt_raidz_parity = 1; 118fa9e4066Sahrens static size_t zopt_vdev_size = SPA_MINDEVSIZE; 119ecc2d604Sbonwick static int zopt_datasets = 7; 120fa9e4066Sahrens static int zopt_threads = 23; 121fa9e4066Sahrens static uint64_t zopt_passtime = 60; /* 60 seconds */ 122fa9e4066Sahrens static uint64_t zopt_killrate = 70; /* 70% kill rate */ 123fa9e4066Sahrens static int zopt_verbose = 0; 124fa9e4066Sahrens static int zopt_init = 1; 125fa9e4066Sahrens static char *zopt_dir = "/tmp"; 126fa9e4066Sahrens static uint64_t zopt_time = 300; /* 5 minutes */ 127fa9e4066Sahrens static int zopt_maxfaults; 128fa9e4066Sahrens 129fa9e4066Sahrens typedef struct ztest_args { 130fa9e4066Sahrens char *za_pool; 131fa9e4066Sahrens objset_t *za_os; 132fa9e4066Sahrens zilog_t *za_zilog; 133fa9e4066Sahrens thread_t za_thread; 134fa9e4066Sahrens uint64_t za_instance; 135fa9e4066Sahrens uint64_t za_random; 136fa9e4066Sahrens uint64_t za_diroff; 137fa9e4066Sahrens uint64_t za_diroff_shared; 138ea8dc4b6Seschrock uint64_t za_zil_seq; 139fa9e4066Sahrens hrtime_t za_start; 140fa9e4066Sahrens hrtime_t za_stop; 141fa9e4066Sahrens hrtime_t za_kill; 142fa9e4066Sahrens traverse_handle_t *za_th; 143fa9e4066Sahrens } ztest_args_t; 144fa9e4066Sahrens 145fa9e4066Sahrens typedef void ztest_func_t(ztest_args_t *); 146fa9e4066Sahrens 147fa9e4066Sahrens /* 148fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 149fa9e4066Sahrens */ 150fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 151fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 152fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 153fa9e4066Sahrens ztest_func_t ztest_zap; 154fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 155fa9e4066Sahrens ztest_func_t ztest_traverse; 156fa9e4066Sahrens ztest_func_t ztest_dsl_prop_get_set; 157fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 158fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 159fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 160fa9e4066Sahrens ztest_func_t ztest_fault_inject; 161fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 162fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 163fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 164fa9e4066Sahrens ztest_func_t ztest_scrub; 165fa9e4066Sahrens ztest_func_t ztest_spa_rename; 166fa9e4066Sahrens 167fa9e4066Sahrens typedef struct ztest_info { 168fa9e4066Sahrens ztest_func_t *zi_func; /* test function */ 169fa9e4066Sahrens uint64_t *zi_interval; /* execute every <interval> seconds */ 170fa9e4066Sahrens uint64_t zi_calls; /* per-pass count */ 171fa9e4066Sahrens uint64_t zi_call_time; /* per-pass time */ 172fa9e4066Sahrens uint64_t zi_call_total; /* cumulative total */ 173fa9e4066Sahrens uint64_t zi_call_target; /* target cumulative total */ 174fa9e4066Sahrens } ztest_info_t; 175fa9e4066Sahrens 176fa9e4066Sahrens uint64_t zopt_always = 0; /* all the time */ 177fa9e4066Sahrens uint64_t zopt_often = 1; /* every second */ 178fa9e4066Sahrens uint64_t zopt_sometimes = 10; /* every 10 seconds */ 179fa9e4066Sahrens uint64_t zopt_rarely = 60; /* every 60 seconds */ 180fa9e4066Sahrens 181fa9e4066Sahrens ztest_info_t ztest_info[] = { 182fa9e4066Sahrens { ztest_dmu_read_write, &zopt_always }, 183fa9e4066Sahrens { ztest_dmu_write_parallel, &zopt_always }, 184fa9e4066Sahrens { ztest_dmu_object_alloc_free, &zopt_always }, 185fa9e4066Sahrens { ztest_zap, &zopt_always }, 186fa9e4066Sahrens { ztest_zap_parallel, &zopt_always }, 187fa9e4066Sahrens { ztest_traverse, &zopt_often }, 188fa9e4066Sahrens { ztest_dsl_prop_get_set, &zopt_sometimes }, 189fa9e4066Sahrens { ztest_dmu_objset_create_destroy, &zopt_sometimes }, 190ea8dc4b6Seschrock { ztest_dmu_snapshot_create_destroy, &zopt_rarely }, 191fa9e4066Sahrens { ztest_spa_create_destroy, &zopt_sometimes }, 192fa9e4066Sahrens { ztest_fault_inject, &zopt_sometimes }, 193fa9e4066Sahrens { ztest_spa_rename, &zopt_rarely }, 194fa9e4066Sahrens { ztest_vdev_attach_detach, &zopt_rarely }, 195fa9e4066Sahrens { ztest_vdev_LUN_growth, &zopt_rarely }, 196fa9e4066Sahrens { ztest_vdev_add_remove, &zopt_vdevtime }, 197fa9e4066Sahrens { ztest_scrub, &zopt_vdevtime }, 198fa9e4066Sahrens }; 199fa9e4066Sahrens 200fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 201fa9e4066Sahrens 202fa9e4066Sahrens #define ZTEST_SYNC_LOCKS 16 203fa9e4066Sahrens 204fa9e4066Sahrens /* 205fa9e4066Sahrens * Stuff we need to share writably between parent and child. 206fa9e4066Sahrens */ 207fa9e4066Sahrens typedef struct ztest_shared { 208fa9e4066Sahrens mutex_t zs_vdev_lock; 209fa9e4066Sahrens rwlock_t zs_name_lock; 210fa9e4066Sahrens uint64_t zs_vdev_primaries; 211fa9e4066Sahrens uint64_t zs_enospc_count; 212fa9e4066Sahrens hrtime_t zs_start_time; 213fa9e4066Sahrens hrtime_t zs_stop_time; 214fa9e4066Sahrens uint64_t zs_alloc; 215fa9e4066Sahrens uint64_t zs_space; 216fa9e4066Sahrens ztest_info_t zs_info[ZTEST_FUNCS]; 217fa9e4066Sahrens mutex_t zs_sync_lock[ZTEST_SYNC_LOCKS]; 218fa9e4066Sahrens uint64_t zs_seq[ZTEST_SYNC_LOCKS]; 219fa9e4066Sahrens } ztest_shared_t; 220fa9e4066Sahrens 221fa9e4066Sahrens typedef struct ztest_block_tag { 222fa9e4066Sahrens uint64_t bt_objset; 223fa9e4066Sahrens uint64_t bt_object; 224fa9e4066Sahrens uint64_t bt_offset; 225fa9e4066Sahrens uint64_t bt_txg; 226fa9e4066Sahrens uint64_t bt_thread; 227fa9e4066Sahrens uint64_t bt_seq; 228fa9e4066Sahrens } ztest_block_tag_t; 229fa9e4066Sahrens 230fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 231fa9e4066Sahrens static ztest_shared_t *ztest_shared; 232fa9e4066Sahrens 233fa9e4066Sahrens static int ztest_random_fd; 234fa9e4066Sahrens static int ztest_dump_core = 1; 235fa9e4066Sahrens 236fa9e4066Sahrens extern uint64_t zio_gang_bang; 237fa9e4066Sahrens 238fa9e4066Sahrens #define ZTEST_DIROBJ 1 239fa9e4066Sahrens #define ZTEST_MICROZAP_OBJ 2 240fa9e4066Sahrens #define ZTEST_FATZAP_OBJ 3 241fa9e4066Sahrens 242fa9e4066Sahrens #define ZTEST_DIROBJ_BLOCKSIZE (1 << 10) 243fa9e4066Sahrens #define ZTEST_DIRSIZE 256 244fa9e4066Sahrens 245fa9e4066Sahrens /* 246fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 247fa9e4066Sahrens * debugging facilities. 248fa9e4066Sahrens */ 249fa9e4066Sahrens const char * 250fa9e4066Sahrens _umem_debug_init() 251fa9e4066Sahrens { 252fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 253fa9e4066Sahrens } 254fa9e4066Sahrens 255fa9e4066Sahrens const char * 256fa9e4066Sahrens _umem_logging_init(void) 257fa9e4066Sahrens { 258fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 259fa9e4066Sahrens } 260fa9e4066Sahrens 261fa9e4066Sahrens #define FATAL_MSG_SZ 1024 262fa9e4066Sahrens 263fa9e4066Sahrens char *fatal_msg; 264fa9e4066Sahrens 265fa9e4066Sahrens static void 266fa9e4066Sahrens fatal(int do_perror, char *message, ...) 267fa9e4066Sahrens { 268fa9e4066Sahrens va_list args; 269fa9e4066Sahrens int save_errno = errno; 270fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 271fa9e4066Sahrens 272fa9e4066Sahrens (void) fflush(stdout); 273fa9e4066Sahrens 274fa9e4066Sahrens va_start(args, message); 275fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 276fa9e4066Sahrens /* LINTED */ 277fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 278fa9e4066Sahrens va_end(args); 279fa9e4066Sahrens if (do_perror) { 280fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 281fa9e4066Sahrens ": %s", strerror(save_errno)); 282fa9e4066Sahrens } 283fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 284fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 285fa9e4066Sahrens if (ztest_dump_core) 286fa9e4066Sahrens abort(); 287fa9e4066Sahrens exit(3); 288fa9e4066Sahrens } 289fa9e4066Sahrens 290fa9e4066Sahrens static int 291fa9e4066Sahrens str2shift(const char *buf) 292fa9e4066Sahrens { 293fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 294fa9e4066Sahrens int i; 295fa9e4066Sahrens 296fa9e4066Sahrens if (buf[0] == '\0') 297fa9e4066Sahrens return (0); 298fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 299fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 300fa9e4066Sahrens break; 301fa9e4066Sahrens } 302fa9e4066Sahrens if (i == strlen(ends)) 303fa9e4066Sahrens fatal(0, "invalid bytes suffix: %s", buf); 304fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 305fa9e4066Sahrens return (10*i); 306fa9e4066Sahrens } 307fa9e4066Sahrens fatal(0, "invalid bytes suffix: %s", buf); 308fa9e4066Sahrens return (-1); 309fa9e4066Sahrens } 310fa9e4066Sahrens 311fa9e4066Sahrens static uint64_t 312fa9e4066Sahrens nicenumtoull(const char *buf) 313fa9e4066Sahrens { 314fa9e4066Sahrens char *end; 315fa9e4066Sahrens uint64_t val; 316fa9e4066Sahrens 317fa9e4066Sahrens val = strtoull(buf, &end, 0); 318fa9e4066Sahrens if (end == buf) { 319fa9e4066Sahrens fatal(0, "bad numeric value: %s", buf); 320fa9e4066Sahrens } else if (end[0] == '.') { 321fa9e4066Sahrens double fval = strtod(buf, &end); 322fa9e4066Sahrens fval *= pow(2, str2shift(end)); 323fa9e4066Sahrens if (fval > UINT64_MAX) 324fa9e4066Sahrens fatal(0, "value too large: %s", buf); 325fa9e4066Sahrens val = (uint64_t)fval; 326fa9e4066Sahrens } else { 327fa9e4066Sahrens int shift = str2shift(end); 328fa9e4066Sahrens if (shift >= 64 || (val << shift) >> shift != val) 329fa9e4066Sahrens fatal(0, "value too large: %s", buf); 330fa9e4066Sahrens val <<= shift; 331fa9e4066Sahrens } 332fa9e4066Sahrens return (val); 333fa9e4066Sahrens } 334fa9e4066Sahrens 335fa9e4066Sahrens static void 336fa9e4066Sahrens usage(void) 337fa9e4066Sahrens { 338fa9e4066Sahrens char nice_vdev_size[10]; 339fa9e4066Sahrens char nice_gang_bang[10]; 340fa9e4066Sahrens 341fa9e4066Sahrens nicenum(zopt_vdev_size, nice_vdev_size); 342fa9e4066Sahrens nicenum(zio_gang_bang, nice_gang_bang); 343fa9e4066Sahrens 344fa9e4066Sahrens (void) printf("Usage: %s\n" 345fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 346fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 347ecc2d604Sbonwick "\t[-a alignment_shift (default: %d) (use 0 for random)]\n" 348fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 349fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 350*99653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 351fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 352fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 353fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 354fa9e4066Sahrens "\t[-i initialize pool i times (default: %d)]\n" 355fa9e4066Sahrens "\t[-k kill percentage (default: %llu%%)]\n" 356fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 357fa9e4066Sahrens "\t[-f file directory for vdev files (default: %s)]\n" 358fa9e4066Sahrens "\t[-V(erbose)] (use multiple times for ever more blather)\n" 359ecc2d604Sbonwick "\t[-E(xisting)] (use existing pool instead of creating new one)\n" 360fa9e4066Sahrens "\t[-T time] total run time (default: %llu sec)\n" 361fa9e4066Sahrens "\t[-P passtime] time per pass (default: %llu sec)\n" 362fa9e4066Sahrens "", 363fa9e4066Sahrens cmdname, 364fa9e4066Sahrens (u_longlong_t)zopt_vdevs, /* -v */ 365fa9e4066Sahrens nice_vdev_size, /* -s */ 366ecc2d604Sbonwick zopt_ashift, /* -a */ 367fa9e4066Sahrens zopt_mirrors, /* -m */ 368fa9e4066Sahrens zopt_raidz, /* -r */ 369*99653d4eSeschrock zopt_raidz_parity, /* -R */ 370ecc2d604Sbonwick zopt_datasets, /* -d */ 371fa9e4066Sahrens zopt_threads, /* -t */ 372fa9e4066Sahrens nice_gang_bang, /* -g */ 373fa9e4066Sahrens zopt_init, /* -i */ 374fa9e4066Sahrens (u_longlong_t)zopt_killrate, /* -k */ 375fa9e4066Sahrens zopt_pool, /* -p */ 376fa9e4066Sahrens zopt_dir, /* -f */ 377fa9e4066Sahrens (u_longlong_t)zopt_time, /* -T */ 378fa9e4066Sahrens (u_longlong_t)zopt_passtime); /* -P */ 379fa9e4066Sahrens exit(1); 380fa9e4066Sahrens } 381fa9e4066Sahrens 382fa9e4066Sahrens static uint64_t 383fa9e4066Sahrens ztest_random(uint64_t range) 384fa9e4066Sahrens { 385fa9e4066Sahrens uint64_t r; 386fa9e4066Sahrens 387fa9e4066Sahrens if (range == 0) 388fa9e4066Sahrens return (0); 389fa9e4066Sahrens 390fa9e4066Sahrens if (read(ztest_random_fd, &r, sizeof (r)) != sizeof (r)) 391fa9e4066Sahrens fatal(1, "short read from /dev/urandom"); 392fa9e4066Sahrens 393fa9e4066Sahrens return (r % range); 394fa9e4066Sahrens } 395fa9e4066Sahrens 396fa9e4066Sahrens static void 397fa9e4066Sahrens ztest_record_enospc(char *s) 398fa9e4066Sahrens { 399fa9e4066Sahrens dprintf("ENOSPC doing: %s\n", s ? s : "<unknown>"); 400fa9e4066Sahrens ztest_shared->zs_enospc_count++; 401fa9e4066Sahrens } 402fa9e4066Sahrens 403fa9e4066Sahrens static void 404fa9e4066Sahrens process_options(int argc, char **argv) 405fa9e4066Sahrens { 406fa9e4066Sahrens int opt; 407fa9e4066Sahrens uint64_t value; 408fa9e4066Sahrens 409fa9e4066Sahrens /* By default, test gang blocks for blocks 32K and greater */ 410fa9e4066Sahrens zio_gang_bang = 32 << 10; 411fa9e4066Sahrens 412fa9e4066Sahrens while ((opt = getopt(argc, argv, 413*99653d4eSeschrock "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:")) != EOF) { 414fa9e4066Sahrens value = 0; 415fa9e4066Sahrens switch (opt) { 416fa9e4066Sahrens case 'v': 417fa9e4066Sahrens case 's': 418ecc2d604Sbonwick case 'a': 419fa9e4066Sahrens case 'm': 420fa9e4066Sahrens case 'r': 421*99653d4eSeschrock case 'R': 422fa9e4066Sahrens case 'd': 423fa9e4066Sahrens case 't': 424fa9e4066Sahrens case 'g': 425fa9e4066Sahrens case 'i': 426fa9e4066Sahrens case 'k': 427fa9e4066Sahrens case 'T': 428fa9e4066Sahrens case 'P': 429fa9e4066Sahrens value = nicenumtoull(optarg); 430fa9e4066Sahrens } 431fa9e4066Sahrens switch (opt) { 432fa9e4066Sahrens case 'v': 433fa9e4066Sahrens zopt_vdevs = value; 434fa9e4066Sahrens break; 435fa9e4066Sahrens case 's': 436fa9e4066Sahrens zopt_vdev_size = MAX(SPA_MINDEVSIZE, value); 437fa9e4066Sahrens break; 438ecc2d604Sbonwick case 'a': 439ecc2d604Sbonwick zopt_ashift = value; 440ecc2d604Sbonwick break; 441fa9e4066Sahrens case 'm': 442fa9e4066Sahrens zopt_mirrors = value; 443fa9e4066Sahrens break; 444fa9e4066Sahrens case 'r': 445fa9e4066Sahrens zopt_raidz = MAX(1, value); 446fa9e4066Sahrens break; 447*99653d4eSeschrock case 'R': 448*99653d4eSeschrock zopt_raidz_parity = MIN(MAX(value, 1), 2); 449*99653d4eSeschrock break; 450fa9e4066Sahrens case 'd': 451ecc2d604Sbonwick zopt_datasets = MAX(1, value); 452fa9e4066Sahrens break; 453fa9e4066Sahrens case 't': 454fa9e4066Sahrens zopt_threads = MAX(1, value); 455fa9e4066Sahrens break; 456fa9e4066Sahrens case 'g': 457fa9e4066Sahrens zio_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, value); 458fa9e4066Sahrens break; 459fa9e4066Sahrens case 'i': 460fa9e4066Sahrens zopt_init = value; 461fa9e4066Sahrens break; 462fa9e4066Sahrens case 'k': 463fa9e4066Sahrens zopt_killrate = value; 464fa9e4066Sahrens break; 465fa9e4066Sahrens case 'p': 466fa9e4066Sahrens zopt_pool = strdup(optarg); 467fa9e4066Sahrens break; 468fa9e4066Sahrens case 'f': 469fa9e4066Sahrens zopt_dir = strdup(optarg); 470fa9e4066Sahrens break; 471fa9e4066Sahrens case 'V': 472fa9e4066Sahrens zopt_verbose++; 473fa9e4066Sahrens break; 474fa9e4066Sahrens case 'E': 475fa9e4066Sahrens zopt_init = 0; 476fa9e4066Sahrens break; 477fa9e4066Sahrens case 'T': 478fa9e4066Sahrens zopt_time = value; 479fa9e4066Sahrens break; 480fa9e4066Sahrens case 'P': 481fa9e4066Sahrens zopt_passtime = MAX(1, value); 482fa9e4066Sahrens break; 483fa9e4066Sahrens case '?': 484fa9e4066Sahrens default: 485fa9e4066Sahrens usage(); 486fa9e4066Sahrens break; 487fa9e4066Sahrens } 488fa9e4066Sahrens } 489fa9e4066Sahrens 490*99653d4eSeschrock zopt_raidz_parity = MIN(zopt_raidz_parity, zopt_raidz - 1); 491*99653d4eSeschrock 492fa9e4066Sahrens zopt_vdevtime = (zopt_vdevs > 0 ? zopt_time / zopt_vdevs : UINT64_MAX); 493*99653d4eSeschrock zopt_maxfaults = MAX(zopt_mirrors, 1) * (zopt_raidz_parity + 1) - 1; 494fa9e4066Sahrens } 495fa9e4066Sahrens 496ecc2d604Sbonwick static uint64_t 497ecc2d604Sbonwick ztest_get_ashift(void) 498ecc2d604Sbonwick { 499ecc2d604Sbonwick if (zopt_ashift == 0) 500ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 501ecc2d604Sbonwick return (zopt_ashift); 502ecc2d604Sbonwick } 503ecc2d604Sbonwick 504fa9e4066Sahrens static nvlist_t * 505fa9e4066Sahrens make_vdev_file(size_t size) 506fa9e4066Sahrens { 507fa9e4066Sahrens char dev_name[MAXPATHLEN]; 508fa9e4066Sahrens uint64_t vdev; 509ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 510fa9e4066Sahrens int fd; 511fa9e4066Sahrens nvlist_t *file; 512fa9e4066Sahrens 513fa9e4066Sahrens if (size == 0) { 514fa9e4066Sahrens (void) snprintf(dev_name, sizeof (dev_name), "%s", 515fa9e4066Sahrens "/dev/bogus"); 516fa9e4066Sahrens } else { 517fa9e4066Sahrens vdev = ztest_shared->zs_vdev_primaries++; 518fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, 519fa9e4066Sahrens zopt_dir, zopt_pool, vdev); 520fa9e4066Sahrens 521fa9e4066Sahrens fd = open(dev_name, O_RDWR | O_CREAT | O_TRUNC, 0666); 522fa9e4066Sahrens if (fd == -1) 523fa9e4066Sahrens fatal(1, "can't open %s", dev_name); 524fa9e4066Sahrens if (ftruncate(fd, size) != 0) 525fa9e4066Sahrens fatal(1, "can't ftruncate %s", dev_name); 526fa9e4066Sahrens (void) close(fd); 527fa9e4066Sahrens } 528fa9e4066Sahrens 529fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 530fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 531fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, dev_name) == 0); 532ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 533fa9e4066Sahrens 534fa9e4066Sahrens return (file); 535fa9e4066Sahrens } 536fa9e4066Sahrens 537fa9e4066Sahrens static nvlist_t * 538fa9e4066Sahrens make_vdev_raidz(size_t size, int r) 539fa9e4066Sahrens { 540fa9e4066Sahrens nvlist_t *raidz, **child; 541fa9e4066Sahrens int c; 542fa9e4066Sahrens 543fa9e4066Sahrens if (r < 2) 544fa9e4066Sahrens return (make_vdev_file(size)); 545fa9e4066Sahrens 546fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 547fa9e4066Sahrens 548fa9e4066Sahrens for (c = 0; c < r; c++) 549fa9e4066Sahrens child[c] = make_vdev_file(size); 550fa9e4066Sahrens 551fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 552fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 553fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 554*99653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 555*99653d4eSeschrock zopt_raidz_parity) == 0); 556fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 557fa9e4066Sahrens child, r) == 0); 558fa9e4066Sahrens 559fa9e4066Sahrens for (c = 0; c < r; c++) 560fa9e4066Sahrens nvlist_free(child[c]); 561fa9e4066Sahrens 562fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 563fa9e4066Sahrens 564fa9e4066Sahrens return (raidz); 565fa9e4066Sahrens } 566fa9e4066Sahrens 567fa9e4066Sahrens static nvlist_t * 568fa9e4066Sahrens make_vdev_mirror(size_t size, int r, int m) 569fa9e4066Sahrens { 570fa9e4066Sahrens nvlist_t *mirror, **child; 571fa9e4066Sahrens int c; 572fa9e4066Sahrens 573fa9e4066Sahrens if (m < 1) 574fa9e4066Sahrens return (make_vdev_raidz(size, r)); 575fa9e4066Sahrens 576fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 577fa9e4066Sahrens 578fa9e4066Sahrens for (c = 0; c < m; c++) 579fa9e4066Sahrens child[c] = make_vdev_raidz(size, r); 580fa9e4066Sahrens 581fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 582fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 583fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 584fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 585fa9e4066Sahrens child, m) == 0); 586fa9e4066Sahrens 587fa9e4066Sahrens for (c = 0; c < m; c++) 588fa9e4066Sahrens nvlist_free(child[c]); 589fa9e4066Sahrens 590fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 591fa9e4066Sahrens 592fa9e4066Sahrens return (mirror); 593fa9e4066Sahrens } 594fa9e4066Sahrens 595fa9e4066Sahrens static nvlist_t * 596fa9e4066Sahrens make_vdev_root(size_t size, int r, int m, int t) 597fa9e4066Sahrens { 598fa9e4066Sahrens nvlist_t *root, **child; 599fa9e4066Sahrens int c; 600fa9e4066Sahrens 601fa9e4066Sahrens ASSERT(t > 0); 602fa9e4066Sahrens 603fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 604fa9e4066Sahrens 605fa9e4066Sahrens for (c = 0; c < t; c++) 606fa9e4066Sahrens child[c] = make_vdev_mirror(size, r, m); 607fa9e4066Sahrens 608fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 609fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 610fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(root, ZPOOL_CONFIG_CHILDREN, 611fa9e4066Sahrens child, t) == 0); 612fa9e4066Sahrens 613fa9e4066Sahrens for (c = 0; c < t; c++) 614fa9e4066Sahrens nvlist_free(child[c]); 615fa9e4066Sahrens 616fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 617fa9e4066Sahrens 618fa9e4066Sahrens return (root); 619fa9e4066Sahrens } 620fa9e4066Sahrens 621fa9e4066Sahrens static void 622fa9e4066Sahrens ztest_set_random_blocksize(objset_t *os, uint64_t object, dmu_tx_t *tx) 623fa9e4066Sahrens { 624fa9e4066Sahrens int bs = SPA_MINBLOCKSHIFT + 625fa9e4066Sahrens ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1); 626fa9e4066Sahrens int ibs = DN_MIN_INDBLKSHIFT + 627fa9e4066Sahrens ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1); 628fa9e4066Sahrens int error; 629fa9e4066Sahrens 630fa9e4066Sahrens error = dmu_object_set_blocksize(os, object, 1ULL << bs, ibs, tx); 631fa9e4066Sahrens if (error) { 632fa9e4066Sahrens char osname[300]; 633fa9e4066Sahrens dmu_objset_name(os, osname); 634fa9e4066Sahrens fatal(0, "dmu_object_set_blocksize('%s', %llu, %d, %d) = %d", 635fa9e4066Sahrens osname, object, 1 << bs, ibs, error); 636fa9e4066Sahrens } 637fa9e4066Sahrens } 638fa9e4066Sahrens 639fa9e4066Sahrens static uint8_t 640fa9e4066Sahrens ztest_random_checksum(void) 641fa9e4066Sahrens { 642fa9e4066Sahrens uint8_t checksum; 643fa9e4066Sahrens 644fa9e4066Sahrens do { 645fa9e4066Sahrens checksum = ztest_random(ZIO_CHECKSUM_FUNCTIONS); 646fa9e4066Sahrens } while (zio_checksum_table[checksum].ci_zbt); 647fa9e4066Sahrens 648fa9e4066Sahrens if (checksum == ZIO_CHECKSUM_OFF) 649fa9e4066Sahrens checksum = ZIO_CHECKSUM_ON; 650fa9e4066Sahrens 651fa9e4066Sahrens return (checksum); 652fa9e4066Sahrens } 653fa9e4066Sahrens 654fa9e4066Sahrens static uint8_t 655fa9e4066Sahrens ztest_random_compress(void) 656fa9e4066Sahrens { 657fa9e4066Sahrens return ((uint8_t)ztest_random(ZIO_COMPRESS_FUNCTIONS)); 658fa9e4066Sahrens } 659fa9e4066Sahrens 660fa9e4066Sahrens typedef struct ztest_replay { 661fa9e4066Sahrens objset_t *zr_os; 662fa9e4066Sahrens uint64_t zr_assign; 663fa9e4066Sahrens } ztest_replay_t; 664fa9e4066Sahrens 665fa9e4066Sahrens static int 666fa9e4066Sahrens ztest_replay_create(ztest_replay_t *zr, lr_create_t *lr, boolean_t byteswap) 667fa9e4066Sahrens { 668fa9e4066Sahrens objset_t *os = zr->zr_os; 669fa9e4066Sahrens dmu_tx_t *tx; 670fa9e4066Sahrens int error; 671fa9e4066Sahrens 672fa9e4066Sahrens if (byteswap) 673fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 674fa9e4066Sahrens 675fa9e4066Sahrens tx = dmu_tx_create(os); 676fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 677fa9e4066Sahrens error = dmu_tx_assign(tx, zr->zr_assign); 678fa9e4066Sahrens if (error) { 679fa9e4066Sahrens dmu_tx_abort(tx); 680fa9e4066Sahrens return (error); 681fa9e4066Sahrens } 682fa9e4066Sahrens 683fa9e4066Sahrens error = dmu_object_claim(os, lr->lr_doid, lr->lr_mode, 0, 684fa9e4066Sahrens DMU_OT_NONE, 0, tx); 685*99653d4eSeschrock ASSERT3U(error, ==, 0); 686fa9e4066Sahrens dmu_tx_commit(tx); 687fa9e4066Sahrens 688fa9e4066Sahrens if (zopt_verbose >= 5) { 689fa9e4066Sahrens char osname[MAXNAMELEN]; 690fa9e4066Sahrens dmu_objset_name(os, osname); 691fa9e4066Sahrens (void) printf("replay create of %s object %llu" 692fa9e4066Sahrens " in txg %llu = %d\n", 693fa9e4066Sahrens osname, (u_longlong_t)lr->lr_doid, 694fa9e4066Sahrens (u_longlong_t)zr->zr_assign, error); 695fa9e4066Sahrens } 696fa9e4066Sahrens 697fa9e4066Sahrens return (error); 698fa9e4066Sahrens } 699fa9e4066Sahrens 700fa9e4066Sahrens static int 701fa9e4066Sahrens ztest_replay_remove(ztest_replay_t *zr, lr_remove_t *lr, boolean_t byteswap) 702fa9e4066Sahrens { 703fa9e4066Sahrens objset_t *os = zr->zr_os; 704fa9e4066Sahrens dmu_tx_t *tx; 705fa9e4066Sahrens int error; 706fa9e4066Sahrens 707fa9e4066Sahrens if (byteswap) 708fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 709fa9e4066Sahrens 710fa9e4066Sahrens tx = dmu_tx_create(os); 711fa9e4066Sahrens dmu_tx_hold_free(tx, lr->lr_doid, 0, DMU_OBJECT_END); 712fa9e4066Sahrens error = dmu_tx_assign(tx, zr->zr_assign); 713fa9e4066Sahrens if (error) { 714fa9e4066Sahrens dmu_tx_abort(tx); 715fa9e4066Sahrens return (error); 716fa9e4066Sahrens } 717fa9e4066Sahrens 718fa9e4066Sahrens error = dmu_object_free(os, lr->lr_doid, tx); 719fa9e4066Sahrens dmu_tx_commit(tx); 720fa9e4066Sahrens 721fa9e4066Sahrens return (error); 722fa9e4066Sahrens } 723fa9e4066Sahrens 724fa9e4066Sahrens zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 725fa9e4066Sahrens NULL, /* 0 no such transaction type */ 726fa9e4066Sahrens ztest_replay_create, /* TX_CREATE */ 727fa9e4066Sahrens NULL, /* TX_MKDIR */ 728fa9e4066Sahrens NULL, /* TX_MKXATTR */ 729fa9e4066Sahrens NULL, /* TX_SYMLINK */ 730fa9e4066Sahrens ztest_replay_remove, /* TX_REMOVE */ 731fa9e4066Sahrens NULL, /* TX_RMDIR */ 732fa9e4066Sahrens NULL, /* TX_LINK */ 733fa9e4066Sahrens NULL, /* TX_RENAME */ 734fa9e4066Sahrens NULL, /* TX_WRITE */ 735fa9e4066Sahrens NULL, /* TX_TRUNCATE */ 736fa9e4066Sahrens NULL, /* TX_SETATTR */ 737fa9e4066Sahrens NULL, /* TX_ACL */ 738fa9e4066Sahrens }; 739fa9e4066Sahrens 740fa9e4066Sahrens /* 741fa9e4066Sahrens * Verify that we can't destroy an active pool, create an existing pool, 742fa9e4066Sahrens * or create a pool with a bad vdev spec. 743fa9e4066Sahrens */ 744fa9e4066Sahrens void 745fa9e4066Sahrens ztest_spa_create_destroy(ztest_args_t *za) 746fa9e4066Sahrens { 747fa9e4066Sahrens int error; 748fa9e4066Sahrens spa_t *spa; 749fa9e4066Sahrens nvlist_t *nvroot; 750fa9e4066Sahrens 751fa9e4066Sahrens /* 752fa9e4066Sahrens * Attempt to create using a bad file. 753fa9e4066Sahrens */ 754fa9e4066Sahrens nvroot = make_vdev_root(0, 0, 0, 1); 755fa9e4066Sahrens error = spa_create("ztest_bad_file", nvroot, NULL); 756fa9e4066Sahrens nvlist_free(nvroot); 757fa9e4066Sahrens if (error != ENOENT) 758fa9e4066Sahrens fatal(0, "spa_create(bad_file) = %d", error); 759fa9e4066Sahrens 760fa9e4066Sahrens /* 761fa9e4066Sahrens * Attempt to create using a bad mirror. 762fa9e4066Sahrens */ 763fa9e4066Sahrens nvroot = make_vdev_root(0, 0, 2, 1); 764fa9e4066Sahrens error = spa_create("ztest_bad_mirror", nvroot, NULL); 765fa9e4066Sahrens nvlist_free(nvroot); 766fa9e4066Sahrens if (error != ENOENT) 767fa9e4066Sahrens fatal(0, "spa_create(bad_mirror) = %d", error); 768fa9e4066Sahrens 769fa9e4066Sahrens /* 770fa9e4066Sahrens * Attempt to create an existing pool. It shouldn't matter 771fa9e4066Sahrens * what's in the nvroot; we should fail with EEXIST. 772fa9e4066Sahrens */ 773fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 774fa9e4066Sahrens nvroot = make_vdev_root(0, 0, 0, 1); 775fa9e4066Sahrens error = spa_create(za->za_pool, nvroot, NULL); 776fa9e4066Sahrens nvlist_free(nvroot); 777fa9e4066Sahrens if (error != EEXIST) 778fa9e4066Sahrens fatal(0, "spa_create(whatever) = %d", error); 779fa9e4066Sahrens 780fa9e4066Sahrens error = spa_open(za->za_pool, &spa, FTAG); 781fa9e4066Sahrens if (error) 782fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 783fa9e4066Sahrens 784fa9e4066Sahrens error = spa_destroy(za->za_pool); 785fa9e4066Sahrens if (error != EBUSY) 786fa9e4066Sahrens fatal(0, "spa_destroy() = %d", error); 787fa9e4066Sahrens 788fa9e4066Sahrens spa_close(spa, FTAG); 789fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 790fa9e4066Sahrens } 791fa9e4066Sahrens 792fa9e4066Sahrens /* 793fa9e4066Sahrens * Verify that vdev_add() works as expected. 794fa9e4066Sahrens */ 795fa9e4066Sahrens void 796fa9e4066Sahrens ztest_vdev_add_remove(ztest_args_t *za) 797fa9e4066Sahrens { 798fa9e4066Sahrens spa_t *spa = dmu_objset_spa(za->za_os); 799fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 800fa9e4066Sahrens nvlist_t *nvroot; 801fa9e4066Sahrens int error; 802fa9e4066Sahrens 803fa9e4066Sahrens if (zopt_verbose >= 6) 804fa9e4066Sahrens (void) printf("adding vdev\n"); 805fa9e4066Sahrens 806fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 807fa9e4066Sahrens 808ea8dc4b6Seschrock spa_config_enter(spa, RW_READER, FTAG); 809fa9e4066Sahrens 810fa9e4066Sahrens ztest_shared->zs_vdev_primaries = 811fa9e4066Sahrens spa->spa_root_vdev->vdev_children * leaves; 812fa9e4066Sahrens 813ea8dc4b6Seschrock spa_config_exit(spa, FTAG); 814fa9e4066Sahrens 815fa9e4066Sahrens nvroot = make_vdev_root(zopt_vdev_size, zopt_raidz, zopt_mirrors, 1); 816fa9e4066Sahrens error = spa_vdev_add(spa, nvroot); 817fa9e4066Sahrens nvlist_free(nvroot); 818fa9e4066Sahrens 819fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 820fa9e4066Sahrens 821fa9e4066Sahrens if (error == ENOSPC) 822fa9e4066Sahrens ztest_record_enospc("spa_vdev_add"); 823fa9e4066Sahrens else if (error != 0) 824fa9e4066Sahrens fatal(0, "spa_vdev_add() = %d", error); 825fa9e4066Sahrens 826fa9e4066Sahrens if (zopt_verbose >= 6) 827fa9e4066Sahrens (void) printf("spa_vdev_add = %d, as expected\n", error); 828fa9e4066Sahrens } 829fa9e4066Sahrens 830ea8dc4b6Seschrock static vdev_t * 831ea8dc4b6Seschrock vdev_lookup_by_path(vdev_t *vd, const char *path) 832ea8dc4b6Seschrock { 833ea8dc4b6Seschrock int c; 834ea8dc4b6Seschrock vdev_t *mvd; 835ea8dc4b6Seschrock 836ea8dc4b6Seschrock if (vd->vdev_path != NULL) { 837ea8dc4b6Seschrock if (vd->vdev_wholedisk == 1) { 838ea8dc4b6Seschrock /* 839ea8dc4b6Seschrock * For whole disks, the internal path has 's0', but the 840ea8dc4b6Seschrock * path passed in by the user doesn't. 841ea8dc4b6Seschrock */ 842ea8dc4b6Seschrock if (strlen(path) == strlen(vd->vdev_path) - 2 && 843ea8dc4b6Seschrock strncmp(path, vd->vdev_path, strlen(path)) == 0) 844ea8dc4b6Seschrock return (vd); 845ea8dc4b6Seschrock } else if (strcmp(path, vd->vdev_path) == 0) { 846ea8dc4b6Seschrock return (vd); 847ea8dc4b6Seschrock } 848ea8dc4b6Seschrock } 849ea8dc4b6Seschrock 850ea8dc4b6Seschrock for (c = 0; c < vd->vdev_children; c++) 851ea8dc4b6Seschrock if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 852ea8dc4b6Seschrock NULL) 853ea8dc4b6Seschrock return (mvd); 854ea8dc4b6Seschrock 855ea8dc4b6Seschrock return (NULL); 856ea8dc4b6Seschrock } 857ea8dc4b6Seschrock 858fa9e4066Sahrens /* 859fa9e4066Sahrens * Verify that we can attach and detach devices. 860fa9e4066Sahrens */ 861fa9e4066Sahrens void 862fa9e4066Sahrens ztest_vdev_attach_detach(ztest_args_t *za) 863fa9e4066Sahrens { 864fa9e4066Sahrens spa_t *spa = dmu_objset_spa(za->za_os); 865fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 866ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 867fa9e4066Sahrens nvlist_t *root, *file; 868fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 869fa9e4066Sahrens uint64_t leaf, top; 870ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 871ea8dc4b6Seschrock size_t oldsize, newsize; 872ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 873fa9e4066Sahrens int replacing; 874fa9e4066Sahrens int error, expected_error; 875fa9e4066Sahrens int fd; 876fa9e4066Sahrens 877fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 878fa9e4066Sahrens 879ea8dc4b6Seschrock spa_config_enter(spa, RW_READER, FTAG); 880fa9e4066Sahrens 881fa9e4066Sahrens /* 882fa9e4066Sahrens * Decide whether to do an attach or a replace. 883fa9e4066Sahrens */ 884fa9e4066Sahrens replacing = ztest_random(2); 885fa9e4066Sahrens 886fa9e4066Sahrens /* 887fa9e4066Sahrens * Pick a random top-level vdev. 888fa9e4066Sahrens */ 889fa9e4066Sahrens top = ztest_random(rvd->vdev_children); 890fa9e4066Sahrens 891fa9e4066Sahrens /* 892fa9e4066Sahrens * Pick a random leaf within it. 893fa9e4066Sahrens */ 894fa9e4066Sahrens leaf = ztest_random(leaves); 895fa9e4066Sahrens 896fa9e4066Sahrens /* 897fa9e4066Sahrens * Generate the path to this leaf. The filename will end with 'a'. 898fa9e4066Sahrens * We'll alternate replacements with a filename that ends with 'b'. 899fa9e4066Sahrens */ 900ea8dc4b6Seschrock (void) snprintf(oldpath, sizeof (oldpath), 901fa9e4066Sahrens ztest_dev_template, zopt_dir, zopt_pool, top * leaves + leaf); 902fa9e4066Sahrens 903ea8dc4b6Seschrock bcopy(oldpath, newpath, MAXPATHLEN); 904fa9e4066Sahrens 905fa9e4066Sahrens /* 906fa9e4066Sahrens * If the 'a' file isn't part of the pool, the 'b' file must be. 907fa9e4066Sahrens */ 908ea8dc4b6Seschrock if (vdev_lookup_by_path(rvd, oldpath) == NULL) 909ea8dc4b6Seschrock oldpath[strlen(oldpath) - 1] = 'b'; 910fa9e4066Sahrens else 911ea8dc4b6Seschrock newpath[strlen(newpath) - 1] = 'b'; 912fa9e4066Sahrens 913fa9e4066Sahrens /* 914ea8dc4b6Seschrock * Now oldpath represents something that's already in the pool, 915ea8dc4b6Seschrock * and newpath is the thing we'll try to attach. 916fa9e4066Sahrens */ 917ea8dc4b6Seschrock oldvd = vdev_lookup_by_path(rvd, oldpath); 918ea8dc4b6Seschrock newvd = vdev_lookup_by_path(rvd, newpath); 919ea8dc4b6Seschrock ASSERT(oldvd != NULL); 920ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 921fa9e4066Sahrens 922fa9e4066Sahrens /* 923ea8dc4b6Seschrock * Make newsize a little bigger or smaller than oldsize. 924fa9e4066Sahrens * If it's smaller, the attach should fail. 925fa9e4066Sahrens * If it's larger, and we're doing a replace, 926fa9e4066Sahrens * we should get dynamic LUN growth when we're done. 927fa9e4066Sahrens */ 928ea8dc4b6Seschrock oldsize = vdev_get_rsize(oldvd); 929ea8dc4b6Seschrock newsize = 10 * oldsize / (9 + ztest_random(3)); 930fa9e4066Sahrens 931fa9e4066Sahrens /* 932fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 933fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 934fa9e4066Sahrens * 935ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 936fa9e4066Sahrens * 937ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 938fa9e4066Sahrens */ 939fa9e4066Sahrens if (pvd->vdev_ops != &vdev_mirror_ops && 940fa9e4066Sahrens pvd->vdev_ops != &vdev_root_ops && 941fa9e4066Sahrens (!replacing || pvd->vdev_ops == &vdev_replacing_ops)) 942fa9e4066Sahrens expected_error = ENOTSUP; 943ea8dc4b6Seschrock else if (newvd != NULL) 944fa9e4066Sahrens expected_error = EBUSY; 945ea8dc4b6Seschrock else if (newsize < oldsize) 946fa9e4066Sahrens expected_error = EOVERFLOW; 947ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 948ecc2d604Sbonwick expected_error = EDOM; 949fa9e4066Sahrens else 950fa9e4066Sahrens expected_error = 0; 951fa9e4066Sahrens 952fa9e4066Sahrens /* 953ea8dc4b6Seschrock * If newvd isn't already part of the pool, create it. 954fa9e4066Sahrens */ 955ea8dc4b6Seschrock if (newvd == NULL) { 956ea8dc4b6Seschrock fd = open(newpath, O_RDWR | O_CREAT | O_TRUNC, 0666); 957fa9e4066Sahrens if (fd == -1) 958ea8dc4b6Seschrock fatal(1, "can't open %s", newpath); 959ea8dc4b6Seschrock if (ftruncate(fd, newsize) != 0) 960ea8dc4b6Seschrock fatal(1, "can't ftruncate %s", newpath); 961fa9e4066Sahrens (void) close(fd); 962fa9e4066Sahrens } 963fa9e4066Sahrens 964ea8dc4b6Seschrock spa_config_exit(spa, FTAG); 965fa9e4066Sahrens 966fa9e4066Sahrens /* 967ea8dc4b6Seschrock * Build the nvlist describing newpath. 968fa9e4066Sahrens */ 969fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 970fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 971ea8dc4b6Seschrock VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, newpath) == 0); 972ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 973fa9e4066Sahrens 974fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 975fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 976fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(root, ZPOOL_CONFIG_CHILDREN, 977fa9e4066Sahrens &file, 1) == 0); 978fa9e4066Sahrens 979ea8dc4b6Seschrock error = spa_vdev_attach(spa, oldvd->vdev_guid, root, replacing); 980fa9e4066Sahrens 981fa9e4066Sahrens nvlist_free(file); 982fa9e4066Sahrens nvlist_free(root); 983fa9e4066Sahrens 984fa9e4066Sahrens /* 985fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 986fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 987fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 988fa9e4066Sahrens */ 989fa9e4066Sahrens if (expected_error == ENOTSUP && 990fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 991fa9e4066Sahrens expected_error = error; 992fa9e4066Sahrens 993f0aa80d4Sbonwick /* 994f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 995f0aa80d4Sbonwick */ 996f0aa80d4Sbonwick if (error == EOVERFLOW) 997f0aa80d4Sbonwick expected_error = error; 998f0aa80d4Sbonwick 999fa9e4066Sahrens if (error != expected_error) { 1000fa9e4066Sahrens fatal(0, "attach (%s, %s, %d) returned %d, expected %d", 1001ea8dc4b6Seschrock oldpath, newpath, replacing, error, expected_error); 1002fa9e4066Sahrens } 1003fa9e4066Sahrens 1004fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1005fa9e4066Sahrens } 1006fa9e4066Sahrens 1007fa9e4066Sahrens /* 1008fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 1009fa9e4066Sahrens */ 1010fa9e4066Sahrens /* ARGSUSED */ 1011fa9e4066Sahrens void 1012fa9e4066Sahrens ztest_vdev_LUN_growth(ztest_args_t *za) 1013fa9e4066Sahrens { 1014fa9e4066Sahrens spa_t *spa = dmu_objset_spa(za->za_os); 1015fa9e4066Sahrens char dev_name[MAXPATHLEN]; 1016fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 1017fa9e4066Sahrens uint64_t vdev; 1018fa9e4066Sahrens size_t fsize; 1019fa9e4066Sahrens int fd; 1020fa9e4066Sahrens 1021fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 1022fa9e4066Sahrens 1023fa9e4066Sahrens /* 1024fa9e4066Sahrens * Pick a random leaf vdev. 1025fa9e4066Sahrens */ 1026ea8dc4b6Seschrock spa_config_enter(spa, RW_READER, FTAG); 1027fa9e4066Sahrens vdev = ztest_random(spa->spa_root_vdev->vdev_children * leaves); 1028ea8dc4b6Seschrock spa_config_exit(spa, FTAG); 1029fa9e4066Sahrens 1030fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 1031fa9e4066Sahrens 1032fa9e4066Sahrens if ((fd = open(dev_name, O_RDWR)) != -1) { 1033fa9e4066Sahrens /* 1034fa9e4066Sahrens * Determine the size. 1035fa9e4066Sahrens */ 1036fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 1037fa9e4066Sahrens 1038fa9e4066Sahrens /* 1039fa9e4066Sahrens * If it's less than 2x the original size, grow by around 3%. 1040fa9e4066Sahrens */ 1041fa9e4066Sahrens if (fsize < 2 * zopt_vdev_size) { 1042fa9e4066Sahrens size_t newsize = fsize + ztest_random(fsize / 32); 1043fa9e4066Sahrens (void) ftruncate(fd, newsize); 1044fa9e4066Sahrens if (zopt_verbose >= 6) { 1045fa9e4066Sahrens (void) printf("%s grew from %lu to %lu bytes\n", 1046fa9e4066Sahrens dev_name, (ulong_t)fsize, (ulong_t)newsize); 1047fa9e4066Sahrens } 1048fa9e4066Sahrens } 1049fa9e4066Sahrens (void) close(fd); 1050fa9e4066Sahrens } 1051fa9e4066Sahrens 1052fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1053fa9e4066Sahrens } 1054fa9e4066Sahrens 1055fa9e4066Sahrens /* ARGSUSED */ 1056fa9e4066Sahrens static void 1057fa9e4066Sahrens ztest_create_cb(objset_t *os, void *arg, dmu_tx_t *tx) 1058fa9e4066Sahrens { 1059fa9e4066Sahrens /* 1060fa9e4066Sahrens * Create the directory object. 1061fa9e4066Sahrens */ 1062fa9e4066Sahrens VERIFY(dmu_object_claim(os, ZTEST_DIROBJ, 1063fa9e4066Sahrens DMU_OT_UINT64_OTHER, ZTEST_DIROBJ_BLOCKSIZE, 1064fa9e4066Sahrens DMU_OT_UINT64_OTHER, sizeof (ztest_block_tag_t), tx) == 0); 1065fa9e4066Sahrens 1066fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_MICROZAP_OBJ, 1067fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1068fa9e4066Sahrens 1069fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_FATZAP_OBJ, 1070fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1071fa9e4066Sahrens } 1072fa9e4066Sahrens 1073fa9e4066Sahrens /* ARGSUSED */ 1074fa9e4066Sahrens static void 1075fa9e4066Sahrens ztest_destroy_cb(char *name, void *arg) 1076fa9e4066Sahrens { 1077fa9e4066Sahrens objset_t *os; 1078fa9e4066Sahrens dmu_object_info_t doi; 1079fa9e4066Sahrens int error; 1080fa9e4066Sahrens 1081fa9e4066Sahrens /* 1082fa9e4066Sahrens * Verify that the dataset contains a directory object. 1083fa9e4066Sahrens */ 1084fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, 1085fa9e4066Sahrens DS_MODE_STANDARD | DS_MODE_READONLY, &os); 1086fa9e4066Sahrens ASSERT3U(error, ==, 0); 1087fa9e4066Sahrens error = dmu_object_info(os, ZTEST_DIROBJ, &doi); 1088e1930233Sbonwick if (error != ENOENT) { 1089e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 1090e1930233Sbonwick ASSERT3U(error, ==, 0); 1091e1930233Sbonwick ASSERT3U(doi.doi_type, ==, DMU_OT_UINT64_OTHER); 1092e1930233Sbonwick ASSERT3S(doi.doi_physical_blks, >=, 0); 1093e1930233Sbonwick } 1094fa9e4066Sahrens dmu_objset_close(os); 1095fa9e4066Sahrens 1096fa9e4066Sahrens /* 1097fa9e4066Sahrens * Destroy the dataset. 1098fa9e4066Sahrens */ 1099fa9e4066Sahrens error = dmu_objset_destroy(name); 1100fa9e4066Sahrens ASSERT3U(error, ==, 0); 1101fa9e4066Sahrens } 1102fa9e4066Sahrens 1103fa9e4066Sahrens /* 1104fa9e4066Sahrens * Verify that dmu_objset_{create,destroy,open,close} work as expected. 1105fa9e4066Sahrens */ 1106fa9e4066Sahrens static uint64_t 1107fa9e4066Sahrens ztest_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t object, int mode) 1108fa9e4066Sahrens { 1109fa9e4066Sahrens itx_t *itx; 1110fa9e4066Sahrens lr_create_t *lr; 1111fa9e4066Sahrens size_t namesize; 1112fa9e4066Sahrens char name[24]; 1113fa9e4066Sahrens 1114fa9e4066Sahrens (void) sprintf(name, "ZOBJ_%llu", (u_longlong_t)object); 1115fa9e4066Sahrens namesize = strlen(name) + 1; 1116fa9e4066Sahrens 1117fa9e4066Sahrens itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize + 1118fa9e4066Sahrens ztest_random(ZIL_MAX_BLKSZ)); 1119fa9e4066Sahrens lr = (lr_create_t *)&itx->itx_lr; 1120fa9e4066Sahrens bzero(lr + 1, lr->lr_common.lrc_reclen - sizeof (*lr)); 1121fa9e4066Sahrens lr->lr_doid = object; 1122fa9e4066Sahrens lr->lr_foid = 0; 1123fa9e4066Sahrens lr->lr_mode = mode; 1124fa9e4066Sahrens lr->lr_uid = 0; 1125fa9e4066Sahrens lr->lr_gid = 0; 1126fa9e4066Sahrens lr->lr_gen = dmu_tx_get_txg(tx); 1127fa9e4066Sahrens lr->lr_crtime[0] = time(NULL); 1128fa9e4066Sahrens lr->lr_crtime[1] = 0; 1129fa9e4066Sahrens lr->lr_rdev = 0; 1130fa9e4066Sahrens bcopy(name, (char *)(lr + 1), namesize); 1131fa9e4066Sahrens 1132fa9e4066Sahrens return (zil_itx_assign(zilog, itx, tx)); 1133fa9e4066Sahrens } 1134fa9e4066Sahrens 1135fa9e4066Sahrens #ifndef lint 1136fa9e4066Sahrens static uint64_t 1137fa9e4066Sahrens ztest_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t object) 1138fa9e4066Sahrens { 1139fa9e4066Sahrens itx_t *itx; 1140fa9e4066Sahrens lr_remove_t *lr; 1141fa9e4066Sahrens size_t namesize; 1142fa9e4066Sahrens char name[24]; 1143fa9e4066Sahrens 1144fa9e4066Sahrens (void) sprintf(name, "ZOBJ_%llu", (u_longlong_t)object); 1145fa9e4066Sahrens namesize = strlen(name) + 1; 1146fa9e4066Sahrens 1147fa9e4066Sahrens itx = zil_itx_create(TX_REMOVE, sizeof (*lr) + namesize + 1148fa9e4066Sahrens ztest_random(8000)); 1149fa9e4066Sahrens lr = (lr_remove_t *)&itx->itx_lr; 1150fa9e4066Sahrens lr->lr_doid = object; 1151fa9e4066Sahrens bcopy(name, (char *)(lr + 1), namesize); 1152fa9e4066Sahrens 1153fa9e4066Sahrens return (zil_itx_assign(zilog, itx, tx)); 1154fa9e4066Sahrens } 1155fa9e4066Sahrens #endif /* lint */ 1156fa9e4066Sahrens 1157fa9e4066Sahrens void 1158fa9e4066Sahrens ztest_dmu_objset_create_destroy(ztest_args_t *za) 1159fa9e4066Sahrens { 1160fa9e4066Sahrens int error; 1161fa9e4066Sahrens objset_t *os; 1162fa9e4066Sahrens char name[100]; 1163fa9e4066Sahrens int mode, basemode, expected_error; 1164fa9e4066Sahrens zilog_t *zilog; 1165fa9e4066Sahrens uint64_t seq; 1166fa9e4066Sahrens uint64_t objects; 1167fa9e4066Sahrens ztest_replay_t zr; 1168fa9e4066Sahrens 1169fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1170fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_temp_%llu", za->za_pool, za->za_pool, 1171fa9e4066Sahrens (u_longlong_t)za->za_instance); 1172fa9e4066Sahrens 1173fa9e4066Sahrens basemode = DS_MODE_LEVEL(za->za_instance); 1174fa9e4066Sahrens if (basemode == DS_MODE_NONE) 1175fa9e4066Sahrens basemode++; 1176fa9e4066Sahrens 1177fa9e4066Sahrens /* 1178fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 1179fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 1180fa9e4066Sahrens * (invoked from ztest_destroy_cb() below) should just throw it away. 1181fa9e4066Sahrens */ 1182fa9e4066Sahrens if (ztest_random(2) == 0 && 1183fa9e4066Sahrens dmu_objset_open(name, DMU_OST_OTHER, DS_MODE_PRIMARY, &os) == 0) { 1184fa9e4066Sahrens zr.zr_os = os; 1185fa9e4066Sahrens zil_replay(os, &zr, &zr.zr_assign, ztest_replay_vector, NULL); 1186fa9e4066Sahrens dmu_objset_close(os); 1187fa9e4066Sahrens } 1188fa9e4066Sahrens 1189fa9e4066Sahrens /* 1190fa9e4066Sahrens * There may be an old instance of the dataset we're about to 1191fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 1192fa9e4066Sahrens * and all of its snapshots. 1193fa9e4066Sahrens */ 1194fa9e4066Sahrens dmu_objset_find(name, ztest_destroy_cb, NULL, DS_FIND_SNAPSHOTS); 1195fa9e4066Sahrens 1196fa9e4066Sahrens /* 1197fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 1198fa9e4066Sahrens */ 1199fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, basemode, &os); 1200fa9e4066Sahrens if (error != ENOENT) 1201fa9e4066Sahrens fatal(1, "dmu_objset_open(%s) found destroyed dataset %p", 1202fa9e4066Sahrens name, os); 1203fa9e4066Sahrens 1204fa9e4066Sahrens /* 1205fa9e4066Sahrens * Verify that we can create a new dataset. 1206fa9e4066Sahrens */ 1207fa9e4066Sahrens error = dmu_objset_create(name, DMU_OST_OTHER, NULL, ztest_create_cb, 1208fa9e4066Sahrens NULL); 1209fa9e4066Sahrens if (error) { 1210fa9e4066Sahrens if (error == ENOSPC) { 1211fa9e4066Sahrens ztest_record_enospc("dmu_objset_create"); 1212fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1213fa9e4066Sahrens return; 1214fa9e4066Sahrens } 1215fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 1216fa9e4066Sahrens } 1217fa9e4066Sahrens 1218fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, basemode, &os); 1219fa9e4066Sahrens if (error) { 1220fa9e4066Sahrens fatal(0, "dmu_objset_open(%s) = %d", name, error); 1221fa9e4066Sahrens } 1222fa9e4066Sahrens 1223fa9e4066Sahrens /* 1224fa9e4066Sahrens * Open the intent log for it. 1225fa9e4066Sahrens */ 1226fa9e4066Sahrens zilog = zil_open(os, NULL); 1227fa9e4066Sahrens 1228fa9e4066Sahrens /* 1229fa9e4066Sahrens * Put a random number of objects in there. 1230fa9e4066Sahrens */ 1231d80c45e0Sbonwick objects = ztest_random(20); 1232fa9e4066Sahrens seq = 0; 1233fa9e4066Sahrens while (objects-- != 0) { 1234fa9e4066Sahrens uint64_t object; 1235fa9e4066Sahrens dmu_tx_t *tx = dmu_tx_create(os); 1236fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, sizeof (name)); 1237fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1238fa9e4066Sahrens if (error) { 1239fa9e4066Sahrens dmu_tx_abort(tx); 1240fa9e4066Sahrens } else { 1241fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1242fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1243fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1244fa9e4066Sahrens seq = ztest_log_create(zilog, tx, object, 1245fa9e4066Sahrens DMU_OT_UINT64_OTHER); 1246fa9e4066Sahrens dmu_write(os, object, 0, sizeof (name), name, tx); 1247fa9e4066Sahrens dmu_tx_commit(tx); 1248fa9e4066Sahrens } 1249fa9e4066Sahrens if (ztest_random(5) == 0) { 1250fa9e4066Sahrens zil_commit(zilog, seq, FSYNC); 1251fa9e4066Sahrens } 1252d80c45e0Sbonwick if (ztest_random(100) == 0) { 1253fa9e4066Sahrens error = zil_suspend(zilog); 1254fa9e4066Sahrens if (error == 0) { 1255fa9e4066Sahrens zil_resume(zilog); 1256fa9e4066Sahrens } 1257fa9e4066Sahrens } 1258fa9e4066Sahrens } 1259fa9e4066Sahrens 1260fa9e4066Sahrens /* 1261fa9e4066Sahrens * Verify that we cannot create an existing dataset. 1262fa9e4066Sahrens */ 1263fa9e4066Sahrens error = dmu_objset_create(name, DMU_OST_OTHER, NULL, NULL, NULL); 1264fa9e4066Sahrens if (error != EEXIST) 1265fa9e4066Sahrens fatal(0, "created existing dataset, error = %d", error); 1266fa9e4066Sahrens 1267fa9e4066Sahrens /* 1268fa9e4066Sahrens * Verify that multiple dataset opens are allowed, but only when 1269fa9e4066Sahrens * the new access mode is compatible with the base mode. 1270fa9e4066Sahrens * We use a mixture of typed and typeless opens, and when the 1271fa9e4066Sahrens * open succeeds, verify that the discovered type is correct. 1272fa9e4066Sahrens */ 1273fa9e4066Sahrens for (mode = DS_MODE_STANDARD; mode < DS_MODE_LEVELS; mode++) { 1274fa9e4066Sahrens objset_t *os2; 1275fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, mode, &os2); 1276fa9e4066Sahrens expected_error = (basemode + mode < DS_MODE_LEVELS) ? 0 : EBUSY; 1277fa9e4066Sahrens if (error != expected_error) 1278fa9e4066Sahrens fatal(0, "dmu_objset_open('%s') = %d, expected %d", 1279fa9e4066Sahrens name, error, expected_error); 1280fa9e4066Sahrens if (error == 0) 1281fa9e4066Sahrens dmu_objset_close(os2); 1282fa9e4066Sahrens } 1283fa9e4066Sahrens 1284fa9e4066Sahrens zil_close(zilog); 1285fa9e4066Sahrens dmu_objset_close(os); 1286fa9e4066Sahrens 1287fa9e4066Sahrens error = dmu_objset_destroy(name); 1288fa9e4066Sahrens if (error) 1289fa9e4066Sahrens fatal(0, "dmu_objset_destroy(%s) = %d", name, error); 1290fa9e4066Sahrens 1291fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1292fa9e4066Sahrens } 1293fa9e4066Sahrens 1294fa9e4066Sahrens /* 1295fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 1296fa9e4066Sahrens */ 1297fa9e4066Sahrens void 1298fa9e4066Sahrens ztest_dmu_snapshot_create_destroy(ztest_args_t *za) 1299fa9e4066Sahrens { 1300fa9e4066Sahrens int error; 1301fa9e4066Sahrens objset_t *os = za->za_os; 1302fa9e4066Sahrens char snapname[100]; 1303fa9e4066Sahrens char osname[MAXNAMELEN]; 1304fa9e4066Sahrens 1305fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1306fa9e4066Sahrens dmu_objset_name(os, osname); 1307fa9e4066Sahrens (void) snprintf(snapname, 100, "%s@%llu", osname, 1308fa9e4066Sahrens (u_longlong_t)za->za_instance); 1309fa9e4066Sahrens 1310fa9e4066Sahrens error = dmu_objset_destroy(snapname); 1311fa9e4066Sahrens if (error != 0 && error != ENOENT) 1312fa9e4066Sahrens fatal(0, "dmu_objset_destroy() = %d", error); 1313fa9e4066Sahrens error = dmu_objset_create(snapname, DMU_OST_OTHER, NULL, NULL, NULL); 1314fa9e4066Sahrens if (error == ENOSPC) 1315fa9e4066Sahrens ztest_record_enospc("dmu_take_snapshot"); 1316fa9e4066Sahrens else if (error != 0 && error != EEXIST) 1317fa9e4066Sahrens fatal(0, "dmu_take_snapshot() = %d", error); 1318fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1319fa9e4066Sahrens } 1320fa9e4066Sahrens 1321fa9e4066Sahrens #define ZTEST_TRAVERSE_BLOCKS 1000 1322fa9e4066Sahrens 1323fa9e4066Sahrens static int 1324fa9e4066Sahrens ztest_blk_cb(traverse_blk_cache_t *bc, spa_t *spa, void *arg) 1325fa9e4066Sahrens { 1326fa9e4066Sahrens ztest_args_t *za = arg; 1327fa9e4066Sahrens zbookmark_t *zb = &bc->bc_bookmark; 1328fa9e4066Sahrens blkptr_t *bp = &bc->bc_blkptr; 1329fa9e4066Sahrens dnode_phys_t *dnp = bc->bc_dnode; 1330fa9e4066Sahrens traverse_handle_t *th = za->za_th; 1331fa9e4066Sahrens uint64_t size = BP_GET_LSIZE(bp); 1332fa9e4066Sahrens 1333ea8dc4b6Seschrock /* 1334ea8dc4b6Seschrock * Level -1 indicates the objset_phys_t or something in its intent log. 1335ea8dc4b6Seschrock */ 1336ea8dc4b6Seschrock if (zb->zb_level == -1) { 1337ea8dc4b6Seschrock if (BP_GET_TYPE(bp) == DMU_OT_OBJSET) { 1338ea8dc4b6Seschrock ASSERT3U(zb->zb_object, ==, 0); 1339ea8dc4b6Seschrock ASSERT3U(zb->zb_blkid, ==, 0); 1340ea8dc4b6Seschrock ASSERT3U(size, ==, sizeof (objset_phys_t)); 1341ea8dc4b6Seschrock za->za_zil_seq = 0; 1342ea8dc4b6Seschrock } else if (BP_GET_TYPE(bp) == DMU_OT_INTENT_LOG) { 1343ea8dc4b6Seschrock ASSERT3U(zb->zb_object, ==, 0); 1344ea8dc4b6Seschrock ASSERT3U(zb->zb_blkid, >, za->za_zil_seq); 1345ea8dc4b6Seschrock za->za_zil_seq = zb->zb_blkid; 1346ea8dc4b6Seschrock } else { 1347ea8dc4b6Seschrock ASSERT3U(zb->zb_object, !=, 0); /* lr_write_t */ 1348ea8dc4b6Seschrock } 1349ea8dc4b6Seschrock 1350ea8dc4b6Seschrock return (0); 1351ea8dc4b6Seschrock } 1352ea8dc4b6Seschrock 1353fa9e4066Sahrens ASSERT(dnp != NULL); 1354fa9e4066Sahrens 1355fa9e4066Sahrens if (bc->bc_errno) 1356fa9e4066Sahrens return (ERESTART); 1357fa9e4066Sahrens 1358fa9e4066Sahrens /* 1359fa9e4066Sahrens * Once in a while, abort the traverse. We only do this to odd 1360fa9e4066Sahrens * instance numbers to ensure that even ones can run to completion. 1361fa9e4066Sahrens */ 1362fa9e4066Sahrens if ((za->za_instance & 1) && ztest_random(10000) == 0) 1363fa9e4066Sahrens return (EINTR); 1364fa9e4066Sahrens 1365fa9e4066Sahrens if (bp->blk_birth == 0) { 1366fa9e4066Sahrens ASSERT(th->th_advance & ADVANCE_HOLES); 1367fa9e4066Sahrens return (0); 1368fa9e4066Sahrens } 1369fa9e4066Sahrens 1370fa9e4066Sahrens if (zb->zb_level == 0 && !(th->th_advance & ADVANCE_DATA) && 1371fa9e4066Sahrens bc == &th->th_cache[ZB_DN_CACHE][0]) { 1372fa9e4066Sahrens ASSERT(bc->bc_data == NULL); 1373fa9e4066Sahrens return (0); 1374fa9e4066Sahrens } 1375fa9e4066Sahrens 1376fa9e4066Sahrens ASSERT(bc->bc_data != NULL); 1377fa9e4066Sahrens 1378fa9e4066Sahrens /* 1379fa9e4066Sahrens * This is an expensive question, so don't ask it too often. 1380fa9e4066Sahrens */ 1381fa9e4066Sahrens if (((za->za_random ^ th->th_callbacks) & 0xff) == 0) { 1382fa9e4066Sahrens void *xbuf = umem_alloc(size, UMEM_NOFAIL); 1383fa9e4066Sahrens if (arc_tryread(spa, bp, xbuf) == 0) { 1384fa9e4066Sahrens ASSERT(bcmp(bc->bc_data, xbuf, size) == 0); 1385fa9e4066Sahrens } 1386fa9e4066Sahrens umem_free(xbuf, size); 1387fa9e4066Sahrens } 1388fa9e4066Sahrens 1389fa9e4066Sahrens if (zb->zb_level > 0) { 1390fa9e4066Sahrens ASSERT3U(size, ==, 1ULL << dnp->dn_indblkshift); 1391fa9e4066Sahrens return (0); 1392fa9e4066Sahrens } 1393fa9e4066Sahrens 1394fa9e4066Sahrens ASSERT(zb->zb_level == 0); 1395fa9e4066Sahrens ASSERT3U(size, ==, dnp->dn_datablkszsec << DEV_BSHIFT); 1396fa9e4066Sahrens 1397fa9e4066Sahrens return (0); 1398fa9e4066Sahrens } 1399fa9e4066Sahrens 1400fa9e4066Sahrens /* 1401fa9e4066Sahrens * Verify that live pool traversal works. 1402fa9e4066Sahrens */ 1403fa9e4066Sahrens void 1404fa9e4066Sahrens ztest_traverse(ztest_args_t *za) 1405fa9e4066Sahrens { 1406fa9e4066Sahrens spa_t *spa = dmu_objset_spa(za->za_os); 1407fa9e4066Sahrens traverse_handle_t *th = za->za_th; 1408fa9e4066Sahrens int rc, advance; 1409fa9e4066Sahrens uint64_t cbstart, cblimit; 1410fa9e4066Sahrens 1411fa9e4066Sahrens if (th == NULL) { 1412fa9e4066Sahrens advance = 0; 1413fa9e4066Sahrens 1414fa9e4066Sahrens if (ztest_random(2) == 0) 1415fa9e4066Sahrens advance |= ADVANCE_PRE; 1416fa9e4066Sahrens 1417fa9e4066Sahrens if (ztest_random(2) == 0) 1418fa9e4066Sahrens advance |= ADVANCE_PRUNE; 1419fa9e4066Sahrens 1420fa9e4066Sahrens if (ztest_random(2) == 0) 1421fa9e4066Sahrens advance |= ADVANCE_DATA; 1422fa9e4066Sahrens 1423fa9e4066Sahrens if (ztest_random(2) == 0) 1424fa9e4066Sahrens advance |= ADVANCE_HOLES; 1425fa9e4066Sahrens 1426ea8dc4b6Seschrock if (ztest_random(2) == 0) 1427ea8dc4b6Seschrock advance |= ADVANCE_ZIL; 1428ea8dc4b6Seschrock 1429fa9e4066Sahrens th = za->za_th = traverse_init(spa, ztest_blk_cb, za, advance, 1430fa9e4066Sahrens ZIO_FLAG_CANFAIL); 1431fa9e4066Sahrens 1432fa9e4066Sahrens traverse_add_pool(th, 0, -1ULL); 1433fa9e4066Sahrens } 1434fa9e4066Sahrens 1435fa9e4066Sahrens advance = th->th_advance; 1436fa9e4066Sahrens cbstart = th->th_callbacks; 1437fa9e4066Sahrens cblimit = cbstart + ((advance & ADVANCE_DATA) ? 100 : 1000); 1438fa9e4066Sahrens 1439fa9e4066Sahrens while ((rc = traverse_more(th)) == EAGAIN && th->th_callbacks < cblimit) 1440fa9e4066Sahrens continue; 1441fa9e4066Sahrens 1442fa9e4066Sahrens if (zopt_verbose >= 5) 1443fa9e4066Sahrens (void) printf("traverse %s%s%s%s %llu blocks to " 1444ea8dc4b6Seschrock "<%llu, %llu, %lld, %llx>%s\n", 1445fa9e4066Sahrens (advance & ADVANCE_PRE) ? "pre" : "post", 1446fa9e4066Sahrens (advance & ADVANCE_PRUNE) ? "|prune" : "", 1447fa9e4066Sahrens (advance & ADVANCE_DATA) ? "|data" : "", 1448fa9e4066Sahrens (advance & ADVANCE_HOLES) ? "|holes" : "", 1449fa9e4066Sahrens (u_longlong_t)(th->th_callbacks - cbstart), 1450fa9e4066Sahrens (u_longlong_t)th->th_lastcb.zb_objset, 1451fa9e4066Sahrens (u_longlong_t)th->th_lastcb.zb_object, 1452ea8dc4b6Seschrock (u_longlong_t)th->th_lastcb.zb_level, 1453fa9e4066Sahrens (u_longlong_t)th->th_lastcb.zb_blkid, 1454fa9e4066Sahrens rc == 0 ? " [done]" : 1455fa9e4066Sahrens rc == EINTR ? " [aborted]" : 1456fa9e4066Sahrens rc == EAGAIN ? "" : 1457fa9e4066Sahrens strerror(rc)); 1458fa9e4066Sahrens 1459fa9e4066Sahrens if (rc != EAGAIN) { 1460fa9e4066Sahrens if (rc != 0 && rc != EINTR) 1461fa9e4066Sahrens fatal(0, "traverse_more(%p) = %d", th, rc); 1462fa9e4066Sahrens traverse_fini(th); 1463fa9e4066Sahrens za->za_th = NULL; 1464fa9e4066Sahrens } 1465fa9e4066Sahrens } 1466fa9e4066Sahrens 1467fa9e4066Sahrens /* 1468fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 1469fa9e4066Sahrens */ 1470fa9e4066Sahrens void 1471fa9e4066Sahrens ztest_dmu_object_alloc_free(ztest_args_t *za) 1472fa9e4066Sahrens { 1473fa9e4066Sahrens objset_t *os = za->za_os; 1474fa9e4066Sahrens dmu_buf_t *db; 1475fa9e4066Sahrens dmu_tx_t *tx; 1476fa9e4066Sahrens uint64_t batchobj, object, batchsize, endoff, temp; 1477fa9e4066Sahrens int b, c, error, bonuslen; 1478fa9e4066Sahrens dmu_object_info_t doi; 1479fa9e4066Sahrens char osname[MAXNAMELEN]; 1480fa9e4066Sahrens 1481fa9e4066Sahrens dmu_objset_name(os, osname); 1482fa9e4066Sahrens 1483fa9e4066Sahrens endoff = -8ULL; 1484fa9e4066Sahrens batchsize = 2; 1485fa9e4066Sahrens 1486fa9e4066Sahrens /* 1487fa9e4066Sahrens * Create a batch object if necessary, and record it in the directory. 1488fa9e4066Sahrens */ 1489ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 1490ea8dc4b6Seschrock sizeof (uint64_t), &batchobj)); 1491fa9e4066Sahrens if (batchobj == 0) { 1492fa9e4066Sahrens tx = dmu_tx_create(os); 1493fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 1494fa9e4066Sahrens sizeof (uint64_t)); 1495fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1496fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1497fa9e4066Sahrens if (error) { 1498fa9e4066Sahrens ztest_record_enospc("create a batch object"); 1499fa9e4066Sahrens dmu_tx_abort(tx); 1500fa9e4066Sahrens return; 1501fa9e4066Sahrens } 1502fa9e4066Sahrens batchobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1503fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1504fa9e4066Sahrens ztest_set_random_blocksize(os, batchobj, tx); 1505fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 1506fa9e4066Sahrens sizeof (uint64_t), &batchobj, tx); 1507fa9e4066Sahrens dmu_tx_commit(tx); 1508fa9e4066Sahrens } 1509fa9e4066Sahrens 1510fa9e4066Sahrens /* 1511fa9e4066Sahrens * Destroy the previous batch of objects. 1512fa9e4066Sahrens */ 1513fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1514ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, batchobj, b * sizeof (uint64_t), 1515ea8dc4b6Seschrock sizeof (uint64_t), &object)); 1516fa9e4066Sahrens if (object == 0) 1517fa9e4066Sahrens continue; 1518fa9e4066Sahrens /* 1519fa9e4066Sahrens * Read and validate contents. 1520fa9e4066Sahrens * We expect the nth byte of the bonus buffer to be n. 1521fa9e4066Sahrens */ 1522ea8dc4b6Seschrock VERIFY(0 == dmu_bonus_hold(os, object, FTAG, &db)); 1523fa9e4066Sahrens 1524fa9e4066Sahrens dmu_object_info_from_db(db, &doi); 1525fa9e4066Sahrens ASSERT(doi.doi_type == DMU_OT_UINT64_OTHER); 1526fa9e4066Sahrens ASSERT(doi.doi_bonus_type == DMU_OT_PLAIN_OTHER); 1527fa9e4066Sahrens ASSERT3S(doi.doi_physical_blks, >=, 0); 1528fa9e4066Sahrens 1529fa9e4066Sahrens bonuslen = db->db_size; 1530fa9e4066Sahrens 1531fa9e4066Sahrens for (c = 0; c < bonuslen; c++) { 1532fa9e4066Sahrens if (((uint8_t *)db->db_data)[c] != 1533fa9e4066Sahrens (uint8_t)(c + bonuslen)) { 1534fa9e4066Sahrens fatal(0, 1535fa9e4066Sahrens "bad bonus: %s, obj %llu, off %d: %u != %u", 1536fa9e4066Sahrens osname, object, c, 1537fa9e4066Sahrens ((uint8_t *)db->db_data)[c], 1538fa9e4066Sahrens (uint8_t)(c + bonuslen)); 1539fa9e4066Sahrens } 1540fa9e4066Sahrens } 1541fa9e4066Sahrens 1542ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1543fa9e4066Sahrens 1544fa9e4066Sahrens /* 1545fa9e4066Sahrens * We expect the word at endoff to be our object number. 1546fa9e4066Sahrens */ 1547ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, object, endoff, 1548ea8dc4b6Seschrock sizeof (uint64_t), &temp)); 1549fa9e4066Sahrens 1550fa9e4066Sahrens if (temp != object) { 1551fa9e4066Sahrens fatal(0, "bad data in %s, got %llu, expected %llu", 1552fa9e4066Sahrens osname, temp, object); 1553fa9e4066Sahrens } 1554fa9e4066Sahrens 1555fa9e4066Sahrens /* 1556fa9e4066Sahrens * Destroy old object and clear batch entry. 1557fa9e4066Sahrens */ 1558fa9e4066Sahrens tx = dmu_tx_create(os); 1559fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, 1560fa9e4066Sahrens b * sizeof (uint64_t), sizeof (uint64_t)); 1561fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1562fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1563fa9e4066Sahrens if (error) { 1564fa9e4066Sahrens ztest_record_enospc("free object"); 1565fa9e4066Sahrens dmu_tx_abort(tx); 1566fa9e4066Sahrens return; 1567fa9e4066Sahrens } 1568fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1569fa9e4066Sahrens if (error) { 1570fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1571fa9e4066Sahrens osname, object, error); 1572fa9e4066Sahrens } 1573fa9e4066Sahrens object = 0; 1574fa9e4066Sahrens 1575fa9e4066Sahrens dmu_object_set_checksum(os, batchobj, 1576fa9e4066Sahrens ztest_random_checksum(), tx); 1577fa9e4066Sahrens dmu_object_set_compress(os, batchobj, 1578fa9e4066Sahrens ztest_random_compress(), tx); 1579fa9e4066Sahrens 1580fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1581fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1582fa9e4066Sahrens 1583fa9e4066Sahrens dmu_tx_commit(tx); 1584fa9e4066Sahrens } 1585fa9e4066Sahrens 1586fa9e4066Sahrens /* 1587fa9e4066Sahrens * Before creating the new batch of objects, generate a bunch of churn. 1588fa9e4066Sahrens */ 1589fa9e4066Sahrens for (b = ztest_random(100); b > 0; b--) { 1590fa9e4066Sahrens tx = dmu_tx_create(os); 1591fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1592fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1593fa9e4066Sahrens if (error) { 1594fa9e4066Sahrens ztest_record_enospc("churn objects"); 1595fa9e4066Sahrens dmu_tx_abort(tx); 1596fa9e4066Sahrens return; 1597fa9e4066Sahrens } 1598fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1599fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1600fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1601fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1602fa9e4066Sahrens if (error) { 1603fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1604fa9e4066Sahrens osname, object, error); 1605fa9e4066Sahrens } 1606fa9e4066Sahrens dmu_tx_commit(tx); 1607fa9e4066Sahrens } 1608fa9e4066Sahrens 1609fa9e4066Sahrens /* 1610fa9e4066Sahrens * Create a new batch of objects with randomly chosen 1611fa9e4066Sahrens * blocksizes and record them in the batch directory. 1612fa9e4066Sahrens */ 1613fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1614fa9e4066Sahrens uint32_t va_blksize; 1615fa9e4066Sahrens u_longlong_t va_nblocks; 1616fa9e4066Sahrens 1617fa9e4066Sahrens tx = dmu_tx_create(os); 1618fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, b * sizeof (uint64_t), 1619fa9e4066Sahrens sizeof (uint64_t)); 1620fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1621fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, endoff, 1622fa9e4066Sahrens sizeof (uint64_t)); 1623fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1624fa9e4066Sahrens if (error) { 1625fa9e4066Sahrens ztest_record_enospc("create batchobj"); 1626fa9e4066Sahrens dmu_tx_abort(tx); 1627fa9e4066Sahrens return; 1628fa9e4066Sahrens } 1629fa9e4066Sahrens bonuslen = (int)ztest_random(dmu_bonus_max()) + 1; 1630fa9e4066Sahrens 1631fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1632fa9e4066Sahrens DMU_OT_PLAIN_OTHER, bonuslen, tx); 1633fa9e4066Sahrens 1634fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1635fa9e4066Sahrens 1636fa9e4066Sahrens dmu_object_set_checksum(os, object, 1637fa9e4066Sahrens ztest_random_checksum(), tx); 1638fa9e4066Sahrens dmu_object_set_compress(os, object, 1639fa9e4066Sahrens ztest_random_compress(), tx); 1640fa9e4066Sahrens 1641fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1642fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1643fa9e4066Sahrens 1644fa9e4066Sahrens /* 1645fa9e4066Sahrens * Write to both the bonus buffer and the regular data. 1646fa9e4066Sahrens */ 1647ea8dc4b6Seschrock VERIFY(0 == dmu_bonus_hold(os, object, FTAG, &db)); 1648fa9e4066Sahrens ASSERT3U(bonuslen, ==, db->db_size); 1649fa9e4066Sahrens 1650fa9e4066Sahrens dmu_object_size_from_db(db, &va_blksize, &va_nblocks); 1651fa9e4066Sahrens ASSERT3S(va_nblocks, >=, 0); 1652fa9e4066Sahrens 1653fa9e4066Sahrens dmu_buf_will_dirty(db, tx); 1654fa9e4066Sahrens 1655fa9e4066Sahrens /* 1656fa9e4066Sahrens * See comments above regarding the contents of 1657fa9e4066Sahrens * the bonus buffer and the word at endoff. 1658fa9e4066Sahrens */ 1659fa9e4066Sahrens for (c = 0; c < db->db_size; c++) 1660fa9e4066Sahrens ((uint8_t *)db->db_data)[c] = (uint8_t)(c + bonuslen); 1661fa9e4066Sahrens 1662ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1663fa9e4066Sahrens 1664fa9e4066Sahrens /* 1665fa9e4066Sahrens * Write to a large offset to increase indirection. 1666fa9e4066Sahrens */ 1667fa9e4066Sahrens dmu_write(os, object, endoff, sizeof (uint64_t), &object, tx); 1668fa9e4066Sahrens 1669fa9e4066Sahrens dmu_tx_commit(tx); 1670fa9e4066Sahrens } 1671fa9e4066Sahrens } 1672fa9e4066Sahrens 1673fa9e4066Sahrens /* 1674fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 1675fa9e4066Sahrens */ 1676fa9e4066Sahrens typedef struct bufwad { 1677fa9e4066Sahrens uint64_t bw_index; 1678fa9e4066Sahrens uint64_t bw_txg; 1679fa9e4066Sahrens uint64_t bw_data; 1680fa9e4066Sahrens } bufwad_t; 1681fa9e4066Sahrens 1682fa9e4066Sahrens typedef struct dmu_read_write_dir { 1683fa9e4066Sahrens uint64_t dd_packobj; 1684fa9e4066Sahrens uint64_t dd_bigobj; 1685fa9e4066Sahrens uint64_t dd_chunk; 1686fa9e4066Sahrens } dmu_read_write_dir_t; 1687fa9e4066Sahrens 1688fa9e4066Sahrens void 1689fa9e4066Sahrens ztest_dmu_read_write(ztest_args_t *za) 1690fa9e4066Sahrens { 1691fa9e4066Sahrens objset_t *os = za->za_os; 1692fa9e4066Sahrens dmu_read_write_dir_t dd; 1693fa9e4066Sahrens dmu_tx_t *tx; 1694fa9e4066Sahrens int i, freeit, error; 1695fa9e4066Sahrens uint64_t n, s, txg; 1696fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 1697fa9e4066Sahrens uint64_t packoff, packsize, bigoff, bigsize; 1698fa9e4066Sahrens uint64_t regions = 997; 1699fa9e4066Sahrens uint64_t stride = 123456789ULL; 1700fa9e4066Sahrens uint64_t width = 40; 1701fa9e4066Sahrens int free_percent = 5; 1702fa9e4066Sahrens 1703fa9e4066Sahrens /* 1704fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 1705fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 1706fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 1707fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 1708fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 1709fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 1710fa9e4066Sahrens * 1711fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 1712fa9e4066Sahrens * bigobj, at the head of the nth chunk 1713fa9e4066Sahrens * bigobj, at the tail of the nth chunk 1714fa9e4066Sahrens * 1715fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 1716fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 1717fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 1718fa9e4066Sahrens * 1719fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 1720fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 1721fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 1722fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 1723fa9e4066Sahrens * tracking which parts of an object are allocated and free, 1724fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 1725fa9e4066Sahrens */ 1726fa9e4066Sahrens 1727fa9e4066Sahrens /* 1728fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 1729fa9e4066Sahrens */ 1730ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 1731ea8dc4b6Seschrock sizeof (dd), &dd)); 1732fa9e4066Sahrens if (dd.dd_chunk == 0) { 1733fa9e4066Sahrens ASSERT(dd.dd_packobj == 0); 1734fa9e4066Sahrens ASSERT(dd.dd_bigobj == 0); 1735fa9e4066Sahrens tx = dmu_tx_create(os); 1736fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (dd)); 1737fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1738fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1739fa9e4066Sahrens if (error) { 1740fa9e4066Sahrens ztest_record_enospc("create r/w directory"); 1741fa9e4066Sahrens dmu_tx_abort(tx); 1742fa9e4066Sahrens return; 1743fa9e4066Sahrens } 1744fa9e4066Sahrens 1745fa9e4066Sahrens dd.dd_packobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1746fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1747fa9e4066Sahrens dd.dd_bigobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1748fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1749fa9e4066Sahrens dd.dd_chunk = (1000 + ztest_random(1000)) * sizeof (uint64_t); 1750fa9e4066Sahrens 1751fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_packobj, tx); 1752fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_bigobj, tx); 1753fa9e4066Sahrens 1754fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (dd), &dd, 1755fa9e4066Sahrens tx); 1756fa9e4066Sahrens dmu_tx_commit(tx); 1757fa9e4066Sahrens } 1758fa9e4066Sahrens 1759fa9e4066Sahrens /* 1760fa9e4066Sahrens * Prefetch a random chunk of the big object. 1761fa9e4066Sahrens * Our aim here is to get some async reads in flight 1762fa9e4066Sahrens * for blocks that we may free below; the DMU should 1763fa9e4066Sahrens * handle this race correctly. 1764fa9e4066Sahrens */ 1765fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 1766fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 1767fa9e4066Sahrens dmu_prefetch(os, dd.dd_bigobj, n * dd.dd_chunk, s * dd.dd_chunk); 1768fa9e4066Sahrens 1769fa9e4066Sahrens /* 1770fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 1771fa9e4066Sahrens */ 1772fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 1773fa9e4066Sahrens s = 1 + ztest_random(width - 1); 1774fa9e4066Sahrens 1775fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 1776fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 1777fa9e4066Sahrens 1778fa9e4066Sahrens bigoff = n * dd.dd_chunk; 1779fa9e4066Sahrens bigsize = s * dd.dd_chunk; 1780fa9e4066Sahrens 1781fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 1782fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 1783fa9e4066Sahrens 1784fa9e4066Sahrens /* 1785fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 1786fa9e4066Sahrens * overwriting it. 1787fa9e4066Sahrens */ 1788fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 1789fa9e4066Sahrens 1790fa9e4066Sahrens /* 1791fa9e4066Sahrens * Read the current contents of our objects. 1792fa9e4066Sahrens */ 1793ea8dc4b6Seschrock error = dmu_read(os, dd.dd_packobj, packoff, packsize, packbuf); 1794ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 1795ea8dc4b6Seschrock error = dmu_read(os, dd.dd_bigobj, bigoff, bigsize, bigbuf); 1796ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 1797fa9e4066Sahrens 1798fa9e4066Sahrens /* 1799fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 1800fa9e4066Sahrens */ 1801fa9e4066Sahrens tx = dmu_tx_create(os); 1802fa9e4066Sahrens 1803fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_packobj, packoff, packsize); 1804fa9e4066Sahrens 1805fa9e4066Sahrens if (freeit) 1806fa9e4066Sahrens dmu_tx_hold_free(tx, dd.dd_bigobj, bigoff, bigsize); 1807fa9e4066Sahrens else 1808fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_bigobj, bigoff, bigsize); 1809fa9e4066Sahrens 1810fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1811fa9e4066Sahrens 1812fa9e4066Sahrens if (error) { 1813fa9e4066Sahrens ztest_record_enospc("dmu r/w range"); 1814fa9e4066Sahrens dmu_tx_abort(tx); 1815fa9e4066Sahrens umem_free(packbuf, packsize); 1816fa9e4066Sahrens umem_free(bigbuf, bigsize); 1817fa9e4066Sahrens return; 1818fa9e4066Sahrens } 1819fa9e4066Sahrens 1820fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 1821fa9e4066Sahrens 1822fa9e4066Sahrens /* 1823fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 1824fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 1825fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 1826fa9e4066Sahrens * with the new values we want to write out. 1827fa9e4066Sahrens */ 1828fa9e4066Sahrens for (i = 0; i < s; i++) { 1829fa9e4066Sahrens /* LINTED */ 1830fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 1831fa9e4066Sahrens /* LINTED */ 1832fa9e4066Sahrens bigH = (bufwad_t *)((char *)bigbuf + i * dd.dd_chunk); 1833fa9e4066Sahrens /* LINTED */ 1834fa9e4066Sahrens bigT = (bufwad_t *)((char *)bigH + dd.dd_chunk) - 1; 1835fa9e4066Sahrens 1836fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 1837fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 1838fa9e4066Sahrens 1839fa9e4066Sahrens if (pack->bw_txg > txg) 1840fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 1841fa9e4066Sahrens pack->bw_txg, txg); 1842fa9e4066Sahrens 1843fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 1844fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 1845fa9e4066Sahrens pack->bw_index, n, i); 1846fa9e4066Sahrens 1847fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 1848fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 1849fa9e4066Sahrens 1850fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 1851fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 1852fa9e4066Sahrens 1853fa9e4066Sahrens if (freeit) { 1854fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 1855fa9e4066Sahrens } else { 1856fa9e4066Sahrens pack->bw_index = n + i; 1857fa9e4066Sahrens pack->bw_txg = txg; 1858fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 1859fa9e4066Sahrens } 1860fa9e4066Sahrens *bigH = *pack; 1861fa9e4066Sahrens *bigT = *pack; 1862fa9e4066Sahrens } 1863fa9e4066Sahrens 1864fa9e4066Sahrens /* 1865fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 1866fa9e4066Sahrens * Now write them out. 1867fa9e4066Sahrens */ 1868fa9e4066Sahrens dmu_write(os, dd.dd_packobj, packoff, packsize, packbuf, tx); 1869fa9e4066Sahrens 1870fa9e4066Sahrens if (freeit) { 1871fa9e4066Sahrens if (zopt_verbose >= 6) { 1872fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 1873fa9e4066Sahrens " txg %llx\n", 1874fa9e4066Sahrens (u_longlong_t)bigoff, 1875fa9e4066Sahrens (u_longlong_t)bigsize, 1876fa9e4066Sahrens (u_longlong_t)txg); 1877fa9e4066Sahrens } 1878ea8dc4b6Seschrock VERIFY(0 == dmu_free_range(os, dd.dd_bigobj, bigoff, 1879ea8dc4b6Seschrock bigsize, tx)); 1880fa9e4066Sahrens } else { 1881fa9e4066Sahrens if (zopt_verbose >= 6) { 1882fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 1883fa9e4066Sahrens " txg %llx\n", 1884fa9e4066Sahrens (u_longlong_t)bigoff, 1885fa9e4066Sahrens (u_longlong_t)bigsize, 1886fa9e4066Sahrens (u_longlong_t)txg); 1887fa9e4066Sahrens } 1888fa9e4066Sahrens dmu_write(os, dd.dd_bigobj, bigoff, bigsize, bigbuf, tx); 1889fa9e4066Sahrens } 1890fa9e4066Sahrens 1891fa9e4066Sahrens dmu_tx_commit(tx); 1892fa9e4066Sahrens 1893fa9e4066Sahrens /* 1894fa9e4066Sahrens * Sanity check the stuff we just wrote. 1895fa9e4066Sahrens */ 1896fa9e4066Sahrens { 1897fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 1898fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 1899fa9e4066Sahrens 1900ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, dd.dd_packobj, packoff, 1901ea8dc4b6Seschrock packsize, packcheck)); 1902ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, dd.dd_bigobj, bigoff, 1903ea8dc4b6Seschrock bigsize, bigcheck)); 1904fa9e4066Sahrens 1905fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 1906fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 1907fa9e4066Sahrens 1908fa9e4066Sahrens umem_free(packcheck, packsize); 1909fa9e4066Sahrens umem_free(bigcheck, bigsize); 1910fa9e4066Sahrens } 1911fa9e4066Sahrens 1912fa9e4066Sahrens umem_free(packbuf, packsize); 1913fa9e4066Sahrens umem_free(bigbuf, bigsize); 1914fa9e4066Sahrens } 1915fa9e4066Sahrens 1916fa9e4066Sahrens void 1917fa9e4066Sahrens ztest_dmu_write_parallel(ztest_args_t *za) 1918fa9e4066Sahrens { 1919fa9e4066Sahrens objset_t *os = za->za_os; 1920fa9e4066Sahrens dmu_tx_t *tx; 1921fa9e4066Sahrens dmu_buf_t *db; 1922fa9e4066Sahrens int i, b, error, do_free, bs; 1923fa9e4066Sahrens uint64_t off, txg_how, txg; 1924fa9e4066Sahrens mutex_t *lp; 1925fa9e4066Sahrens char osname[MAXNAMELEN]; 1926fa9e4066Sahrens char iobuf[SPA_MAXBLOCKSIZE]; 1927fa9e4066Sahrens ztest_block_tag_t rbt, wbt; 1928fa9e4066Sahrens 1929fa9e4066Sahrens dmu_objset_name(os, osname); 1930fa9e4066Sahrens bs = ZTEST_DIROBJ_BLOCKSIZE; 1931fa9e4066Sahrens 1932fa9e4066Sahrens /* 1933fa9e4066Sahrens * Have multiple threads write to large offsets in ZTEST_DIROBJ 1934fa9e4066Sahrens * to verify that having multiple threads writing to the same object 1935fa9e4066Sahrens * in parallel doesn't cause any trouble. 1936fa9e4066Sahrens * Also do parallel writes to the bonus buffer on occasion. 1937fa9e4066Sahrens */ 1938fa9e4066Sahrens for (i = 0; i < 50; i++) { 1939fa9e4066Sahrens b = ztest_random(ZTEST_SYNC_LOCKS); 1940fa9e4066Sahrens lp = &ztest_shared->zs_sync_lock[b]; 1941fa9e4066Sahrens 1942fa9e4066Sahrens do_free = (ztest_random(4) == 0); 1943fa9e4066Sahrens 1944fa9e4066Sahrens off = za->za_diroff_shared + ((uint64_t)b << SPA_MAXBLOCKSHIFT); 1945fa9e4066Sahrens 1946fa9e4066Sahrens if (ztest_random(4) == 0) { 1947fa9e4066Sahrens /* 1948fa9e4066Sahrens * Do the bonus buffer instead of a regular block. 1949fa9e4066Sahrens */ 1950fa9e4066Sahrens do_free = 0; 1951fa9e4066Sahrens off = -1ULL; 1952fa9e4066Sahrens } 1953fa9e4066Sahrens 1954fa9e4066Sahrens tx = dmu_tx_create(os); 1955fa9e4066Sahrens 1956fa9e4066Sahrens if (off == -1ULL) 1957fa9e4066Sahrens dmu_tx_hold_bonus(tx, ZTEST_DIROBJ); 1958fa9e4066Sahrens else if (do_free) 1959fa9e4066Sahrens dmu_tx_hold_free(tx, ZTEST_DIROBJ, off, bs); 1960fa9e4066Sahrens else 1961fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, off, bs); 1962fa9e4066Sahrens 1963fa9e4066Sahrens txg_how = ztest_random(2) == 0 ? TXG_WAIT : TXG_NOWAIT; 1964fa9e4066Sahrens error = dmu_tx_assign(tx, txg_how); 1965fa9e4066Sahrens if (error) { 1966fa9e4066Sahrens dmu_tx_abort(tx); 1967fa9e4066Sahrens if (error == ERESTART) { 1968fa9e4066Sahrens ASSERT(txg_how == TXG_NOWAIT); 1969fa9e4066Sahrens txg_wait_open(dmu_objset_pool(os), 0); 1970fa9e4066Sahrens continue; 1971fa9e4066Sahrens } 1972fa9e4066Sahrens ztest_record_enospc("dmu write parallel"); 1973fa9e4066Sahrens return; 1974fa9e4066Sahrens } 1975fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 1976fa9e4066Sahrens 1977fa9e4066Sahrens if (do_free) { 1978fa9e4066Sahrens (void) mutex_lock(lp); 1979ea8dc4b6Seschrock VERIFY(0 == dmu_free_range(os, ZTEST_DIROBJ, off, 1980ea8dc4b6Seschrock bs, tx)); 1981fa9e4066Sahrens (void) mutex_unlock(lp); 1982fa9e4066Sahrens dmu_tx_commit(tx); 1983fa9e4066Sahrens continue; 1984fa9e4066Sahrens } 1985fa9e4066Sahrens 1986fa9e4066Sahrens wbt.bt_objset = dmu_objset_id(os); 1987fa9e4066Sahrens wbt.bt_object = ZTEST_DIROBJ; 1988fa9e4066Sahrens wbt.bt_offset = off; 1989fa9e4066Sahrens wbt.bt_txg = txg; 1990fa9e4066Sahrens wbt.bt_thread = za->za_instance; 1991fa9e4066Sahrens 1992fa9e4066Sahrens if (off == -1ULL) { 1993fa9e4066Sahrens wbt.bt_seq = 0; 1994ea8dc4b6Seschrock VERIFY(0 == dmu_bonus_hold(os, ZTEST_DIROBJ, 1995ea8dc4b6Seschrock FTAG, &db)); 1996fa9e4066Sahrens ASSERT3U(db->db_size, ==, sizeof (wbt)); 1997fa9e4066Sahrens bcopy(db->db_data, &rbt, db->db_size); 1998fa9e4066Sahrens if (rbt.bt_objset != 0) { 1999fa9e4066Sahrens ASSERT3U(rbt.bt_objset, ==, wbt.bt_objset); 2000fa9e4066Sahrens ASSERT3U(rbt.bt_object, ==, wbt.bt_object); 2001fa9e4066Sahrens ASSERT3U(rbt.bt_offset, ==, wbt.bt_offset); 2002fa9e4066Sahrens ASSERT3U(rbt.bt_txg, <=, wbt.bt_txg); 2003fa9e4066Sahrens } 2004fa9e4066Sahrens dmu_buf_will_dirty(db, tx); 2005fa9e4066Sahrens bcopy(&wbt, db->db_data, db->db_size); 2006ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 2007fa9e4066Sahrens dmu_tx_commit(tx); 2008fa9e4066Sahrens continue; 2009fa9e4066Sahrens } 2010fa9e4066Sahrens 2011fa9e4066Sahrens (void) mutex_lock(lp); 2012fa9e4066Sahrens 2013fa9e4066Sahrens wbt.bt_seq = ztest_shared->zs_seq[b]++; 2014fa9e4066Sahrens 2015fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, off, sizeof (wbt), &wbt, tx); 2016fa9e4066Sahrens 2017fa9e4066Sahrens (void) mutex_unlock(lp); 2018fa9e4066Sahrens 2019fa9e4066Sahrens if (ztest_random(100) == 0) 2020fa9e4066Sahrens (void) poll(NULL, 0, 1); /* open dn_notxholds window */ 2021fa9e4066Sahrens 2022fa9e4066Sahrens dmu_tx_commit(tx); 2023fa9e4066Sahrens 2024fa9e4066Sahrens if (ztest_random(1000) == 0) 2025fa9e4066Sahrens txg_wait_synced(dmu_objset_pool(os), txg); 2026fa9e4066Sahrens 2027fa9e4066Sahrens if (ztest_random(2) == 0) { 2028fa9e4066Sahrens blkptr_t blk = { 0 }; 2029fa9e4066Sahrens uint64_t blkoff; 2030ea8dc4b6Seschrock zbookmark_t zb; 2031fa9e4066Sahrens 2032fa9e4066Sahrens txg_suspend(dmu_objset_pool(os)); 2033fa9e4066Sahrens (void) mutex_lock(lp); 2034fa9e4066Sahrens error = dmu_sync(os, ZTEST_DIROBJ, off, &blkoff, &blk, 2035fa9e4066Sahrens txg); 2036fa9e4066Sahrens (void) mutex_unlock(lp); 2037fa9e4066Sahrens if (error) { 2038fa9e4066Sahrens txg_resume(dmu_objset_pool(os)); 2039fa9e4066Sahrens dprintf("dmu_sync(%s, %d, %llx) = %d\n", 2040fa9e4066Sahrens osname, ZTEST_DIROBJ, off, error); 2041fa9e4066Sahrens continue; 2042fa9e4066Sahrens } 2043fa9e4066Sahrens 2044fa9e4066Sahrens if (blk.blk_birth == 0) { /* concurrent free */ 2045fa9e4066Sahrens txg_resume(dmu_objset_pool(os)); 2046fa9e4066Sahrens continue; 2047fa9e4066Sahrens } 2048fa9e4066Sahrens 2049fa9e4066Sahrens ASSERT(blk.blk_fill == 1); 2050fa9e4066Sahrens ASSERT3U(BP_GET_TYPE(&blk), ==, DMU_OT_UINT64_OTHER); 2051fa9e4066Sahrens ASSERT3U(BP_GET_LEVEL(&blk), ==, 0); 2052fa9e4066Sahrens ASSERT3U(BP_GET_LSIZE(&blk), ==, bs); 2053fa9e4066Sahrens 2054fa9e4066Sahrens /* 2055fa9e4066Sahrens * Read the block that dmu_sync() returned to 2056fa9e4066Sahrens * make sure its contents match what we wrote. 2057fa9e4066Sahrens * We do this while still txg_suspend()ed to ensure 2058fa9e4066Sahrens * that the block can't be reused before we read it. 2059fa9e4066Sahrens */ 2060ea8dc4b6Seschrock zb.zb_objset = dmu_objset_id(os); 2061ea8dc4b6Seschrock zb.zb_object = ZTEST_DIROBJ; 2062ea8dc4b6Seschrock zb.zb_level = 0; 2063ea8dc4b6Seschrock zb.zb_blkid = off / bs; 2064fa9e4066Sahrens error = zio_wait(zio_read(NULL, dmu_objset_spa(os), 2065fa9e4066Sahrens &blk, iobuf, bs, NULL, NULL, 2066ea8dc4b6Seschrock ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_MUSTSUCCEED, &zb)); 2067fa9e4066Sahrens ASSERT(error == 0); 2068fa9e4066Sahrens 2069fa9e4066Sahrens txg_resume(dmu_objset_pool(os)); 2070fa9e4066Sahrens 2071fa9e4066Sahrens bcopy(&iobuf[blkoff], &rbt, sizeof (rbt)); 2072fa9e4066Sahrens 20730e34b6a7Sbonwick if (rbt.bt_objset == 0) /* concurrent free */ 20740e34b6a7Sbonwick continue; 20750e34b6a7Sbonwick 2076fa9e4066Sahrens ASSERT3U(rbt.bt_objset, ==, wbt.bt_objset); 2077fa9e4066Sahrens ASSERT3U(rbt.bt_object, ==, wbt.bt_object); 2078fa9e4066Sahrens ASSERT3U(rbt.bt_offset, ==, wbt.bt_offset); 2079fa9e4066Sahrens 2080fa9e4066Sahrens /* 2081fa9e4066Sahrens * The semantic of dmu_sync() is that we always 2082fa9e4066Sahrens * push the most recent version of the data, 2083fa9e4066Sahrens * so in the face of concurrent updates we may 2084fa9e4066Sahrens * see a newer version of the block. That's OK. 2085fa9e4066Sahrens */ 2086fa9e4066Sahrens ASSERT3U(rbt.bt_txg, >=, wbt.bt_txg); 2087fa9e4066Sahrens if (rbt.bt_thread == wbt.bt_thread) 2088fa9e4066Sahrens ASSERT3U(rbt.bt_seq, ==, wbt.bt_seq); 2089fa9e4066Sahrens else 2090fa9e4066Sahrens ASSERT3U(rbt.bt_seq, >, wbt.bt_seq); 2091fa9e4066Sahrens } 2092fa9e4066Sahrens } 2093fa9e4066Sahrens } 2094fa9e4066Sahrens 2095fa9e4066Sahrens /* 2096fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 2097fa9e4066Sahrens */ 2098fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 2099fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 2100fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 2101fa9e4066Sahrens 2102fa9e4066Sahrens void 2103fa9e4066Sahrens ztest_zap(ztest_args_t *za) 2104fa9e4066Sahrens { 2105fa9e4066Sahrens objset_t *os = za->za_os; 2106fa9e4066Sahrens uint64_t object; 2107fa9e4066Sahrens uint64_t txg, last_txg; 2108fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 2109fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 2110fa9e4066Sahrens int i, ints; 2111fa9e4066Sahrens int iters = 100; 2112fa9e4066Sahrens dmu_tx_t *tx; 2113fa9e4066Sahrens char propname[100], txgname[100]; 2114fa9e4066Sahrens int error; 2115fa9e4066Sahrens char osname[MAXNAMELEN]; 2116fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 2117fa9e4066Sahrens 2118fa9e4066Sahrens dmu_objset_name(os, osname); 2119fa9e4066Sahrens 2120fa9e4066Sahrens /* 2121fa9e4066Sahrens * Create a new object if necessary, and record it in the directory. 2122fa9e4066Sahrens */ 2123ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 2124ea8dc4b6Seschrock sizeof (uint64_t), &object)); 2125fa9e4066Sahrens 2126fa9e4066Sahrens if (object == 0) { 2127fa9e4066Sahrens tx = dmu_tx_create(os); 2128fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 2129fa9e4066Sahrens sizeof (uint64_t)); 2130ea8dc4b6Seschrock dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, TRUE, NULL); 2131fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2132fa9e4066Sahrens if (error) { 2133fa9e4066Sahrens ztest_record_enospc("create zap test obj"); 2134fa9e4066Sahrens dmu_tx_abort(tx); 2135fa9e4066Sahrens return; 2136fa9e4066Sahrens } 2137fa9e4066Sahrens object = zap_create(os, DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx); 2138fa9e4066Sahrens if (error) { 2139fa9e4066Sahrens fatal(0, "zap_create('%s', %llu) = %d", 2140fa9e4066Sahrens osname, object, error); 2141fa9e4066Sahrens } 2142fa9e4066Sahrens ASSERT(object != 0); 2143fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 2144fa9e4066Sahrens sizeof (uint64_t), &object, tx); 2145fa9e4066Sahrens /* 2146fa9e4066Sahrens * Generate a known hash collision, and verify that 2147fa9e4066Sahrens * we can lookup and remove both entries. 2148fa9e4066Sahrens */ 2149fa9e4066Sahrens for (i = 0; i < 2; i++) { 2150fa9e4066Sahrens value[i] = i; 2151fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2152fa9e4066Sahrens 1, &value[i], tx); 2153fa9e4066Sahrens ASSERT3U(error, ==, 0); 2154fa9e4066Sahrens } 2155fa9e4066Sahrens for (i = 0; i < 2; i++) { 2156fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2157fa9e4066Sahrens 1, &value[i], tx); 2158fa9e4066Sahrens ASSERT3U(error, ==, EEXIST); 2159fa9e4066Sahrens error = zap_length(os, object, hc[i], 2160fa9e4066Sahrens &zl_intsize, &zl_ints); 2161fa9e4066Sahrens ASSERT3U(error, ==, 0); 2162fa9e4066Sahrens ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2163fa9e4066Sahrens ASSERT3U(zl_ints, ==, 1); 2164fa9e4066Sahrens } 2165fa9e4066Sahrens for (i = 0; i < 2; i++) { 2166fa9e4066Sahrens error = zap_remove(os, object, hc[i], tx); 2167fa9e4066Sahrens ASSERT3U(error, ==, 0); 2168fa9e4066Sahrens } 2169fa9e4066Sahrens 2170fa9e4066Sahrens dmu_tx_commit(tx); 2171fa9e4066Sahrens } 2172fa9e4066Sahrens 2173fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 2174fa9e4066Sahrens 2175fa9e4066Sahrens while (--iters >= 0) { 2176fa9e4066Sahrens prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2177fa9e4066Sahrens (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2178fa9e4066Sahrens (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2179fa9e4066Sahrens bzero(value, sizeof (value)); 2180fa9e4066Sahrens last_txg = 0; 2181fa9e4066Sahrens 2182fa9e4066Sahrens /* 2183fa9e4066Sahrens * If these zap entries already exist, validate their contents. 2184fa9e4066Sahrens */ 2185fa9e4066Sahrens error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2186fa9e4066Sahrens if (error == 0) { 2187fa9e4066Sahrens ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2188fa9e4066Sahrens ASSERT3U(zl_ints, ==, 1); 2189fa9e4066Sahrens 2190fa9e4066Sahrens error = zap_lookup(os, object, txgname, zl_intsize, 2191fa9e4066Sahrens zl_ints, &last_txg); 2192fa9e4066Sahrens 2193fa9e4066Sahrens ASSERT3U(error, ==, 0); 2194fa9e4066Sahrens 2195fa9e4066Sahrens error = zap_length(os, object, propname, &zl_intsize, 2196fa9e4066Sahrens &zl_ints); 2197fa9e4066Sahrens 2198fa9e4066Sahrens ASSERT3U(error, ==, 0); 2199fa9e4066Sahrens ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2200fa9e4066Sahrens ASSERT3U(zl_ints, ==, ints); 2201fa9e4066Sahrens 2202fa9e4066Sahrens error = zap_lookup(os, object, propname, zl_intsize, 2203fa9e4066Sahrens zl_ints, value); 2204fa9e4066Sahrens 2205fa9e4066Sahrens ASSERT3U(error, ==, 0); 2206fa9e4066Sahrens 2207fa9e4066Sahrens for (i = 0; i < ints; i++) { 2208fa9e4066Sahrens ASSERT3U(value[i], ==, last_txg + object + i); 2209fa9e4066Sahrens } 2210fa9e4066Sahrens } else { 2211fa9e4066Sahrens ASSERT3U(error, ==, ENOENT); 2212fa9e4066Sahrens } 2213fa9e4066Sahrens 2214fa9e4066Sahrens /* 2215fa9e4066Sahrens * Atomically update two entries in our zap object. 2216fa9e4066Sahrens * The first is named txg_%llu, and contains the txg 2217fa9e4066Sahrens * in which the property was last updated. The second 2218fa9e4066Sahrens * is named prop_%llu, and the nth element of its value 2219fa9e4066Sahrens * should be txg + object + n. 2220fa9e4066Sahrens */ 2221fa9e4066Sahrens tx = dmu_tx_create(os); 2222ea8dc4b6Seschrock dmu_tx_hold_zap(tx, object, TRUE, NULL); 2223fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2224fa9e4066Sahrens if (error) { 2225fa9e4066Sahrens ztest_record_enospc("create zap entry"); 2226fa9e4066Sahrens dmu_tx_abort(tx); 2227fa9e4066Sahrens return; 2228fa9e4066Sahrens } 2229fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 2230fa9e4066Sahrens 2231fa9e4066Sahrens if (last_txg > txg) 2232fa9e4066Sahrens fatal(0, "zap future leak: old %llu new %llu", 2233fa9e4066Sahrens last_txg, txg); 2234fa9e4066Sahrens 2235fa9e4066Sahrens for (i = 0; i < ints; i++) 2236fa9e4066Sahrens value[i] = txg + object + i; 2237fa9e4066Sahrens 2238fa9e4066Sahrens error = zap_update(os, object, txgname, sizeof (uint64_t), 2239fa9e4066Sahrens 1, &txg, tx); 2240fa9e4066Sahrens if (error) 2241fa9e4066Sahrens fatal(0, "zap_update('%s', %llu, '%s') = %d", 2242fa9e4066Sahrens osname, object, txgname, error); 2243fa9e4066Sahrens 2244fa9e4066Sahrens error = zap_update(os, object, propname, sizeof (uint64_t), 2245fa9e4066Sahrens ints, value, tx); 2246fa9e4066Sahrens if (error) 2247fa9e4066Sahrens fatal(0, "zap_update('%s', %llu, '%s') = %d", 2248fa9e4066Sahrens osname, object, propname, error); 2249fa9e4066Sahrens 2250fa9e4066Sahrens dmu_tx_commit(tx); 2251fa9e4066Sahrens 2252fa9e4066Sahrens /* 2253fa9e4066Sahrens * Remove a random pair of entries. 2254fa9e4066Sahrens */ 2255fa9e4066Sahrens prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2256fa9e4066Sahrens (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2257fa9e4066Sahrens (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2258fa9e4066Sahrens 2259fa9e4066Sahrens error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2260fa9e4066Sahrens 2261fa9e4066Sahrens if (error == ENOENT) 2262fa9e4066Sahrens continue; 2263fa9e4066Sahrens 2264fa9e4066Sahrens ASSERT3U(error, ==, 0); 2265fa9e4066Sahrens 2266fa9e4066Sahrens tx = dmu_tx_create(os); 2267ea8dc4b6Seschrock dmu_tx_hold_zap(tx, object, TRUE, NULL); 2268fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2269fa9e4066Sahrens if (error) { 2270fa9e4066Sahrens ztest_record_enospc("remove zap entry"); 2271fa9e4066Sahrens dmu_tx_abort(tx); 2272fa9e4066Sahrens return; 2273fa9e4066Sahrens } 2274fa9e4066Sahrens error = zap_remove(os, object, txgname, tx); 2275fa9e4066Sahrens if (error) 2276fa9e4066Sahrens fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2277fa9e4066Sahrens osname, object, txgname, error); 2278fa9e4066Sahrens 2279fa9e4066Sahrens error = zap_remove(os, object, propname, tx); 2280fa9e4066Sahrens if (error) 2281fa9e4066Sahrens fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2282fa9e4066Sahrens osname, object, propname, error); 2283fa9e4066Sahrens 2284fa9e4066Sahrens dmu_tx_commit(tx); 2285fa9e4066Sahrens } 2286fa9e4066Sahrens 2287fa9e4066Sahrens /* 2288fa9e4066Sahrens * Once in a while, destroy the object. 2289fa9e4066Sahrens */ 2290fa9e4066Sahrens if (ztest_random(100) != 0) 2291fa9e4066Sahrens return; 2292fa9e4066Sahrens 2293fa9e4066Sahrens tx = dmu_tx_create(os); 2294fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t)); 2295fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 2296fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2297fa9e4066Sahrens if (error) { 2298fa9e4066Sahrens ztest_record_enospc("destroy zap object"); 2299fa9e4066Sahrens dmu_tx_abort(tx); 2300fa9e4066Sahrens return; 2301fa9e4066Sahrens } 2302fa9e4066Sahrens error = zap_destroy(os, object, tx); 2303fa9e4066Sahrens if (error) 2304fa9e4066Sahrens fatal(0, "zap_destroy('%s', %llu) = %d", 2305fa9e4066Sahrens osname, object, error); 2306fa9e4066Sahrens object = 0; 2307fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), 2308fa9e4066Sahrens &object, tx); 2309fa9e4066Sahrens dmu_tx_commit(tx); 2310fa9e4066Sahrens } 2311fa9e4066Sahrens 2312fa9e4066Sahrens void 2313fa9e4066Sahrens ztest_zap_parallel(ztest_args_t *za) 2314fa9e4066Sahrens { 2315fa9e4066Sahrens objset_t *os = za->za_os; 2316fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 2317fa9e4066Sahrens int iters = 100; 2318fa9e4066Sahrens dmu_tx_t *tx; 2319fa9e4066Sahrens int i, namelen, error; 2320fa9e4066Sahrens char name[20], string_value[20]; 2321fa9e4066Sahrens void *data; 2322fa9e4066Sahrens 2323fa9e4066Sahrens while (--iters >= 0) { 2324fa9e4066Sahrens /* 2325fa9e4066Sahrens * Generate a random name of the form 'xxx.....' where each 2326fa9e4066Sahrens * x is a random printable character and the dots are dots. 2327fa9e4066Sahrens * There are 94 such characters, and the name length goes from 2328fa9e4066Sahrens * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 2329fa9e4066Sahrens */ 2330fa9e4066Sahrens namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 2331fa9e4066Sahrens 2332fa9e4066Sahrens for (i = 0; i < 3; i++) 2333fa9e4066Sahrens name[i] = '!' + ztest_random('~' - '!' + 1); 2334fa9e4066Sahrens for (; i < namelen - 1; i++) 2335fa9e4066Sahrens name[i] = '.'; 2336fa9e4066Sahrens name[i] = '\0'; 2337fa9e4066Sahrens 2338fa9e4066Sahrens if (ztest_random(2) == 0) 2339fa9e4066Sahrens object = ZTEST_MICROZAP_OBJ; 2340fa9e4066Sahrens else 2341fa9e4066Sahrens object = ZTEST_FATZAP_OBJ; 2342fa9e4066Sahrens 2343fa9e4066Sahrens if ((namelen & 1) || object == ZTEST_MICROZAP_OBJ) { 2344fa9e4066Sahrens wsize = sizeof (txg); 2345fa9e4066Sahrens wc = 1; 2346fa9e4066Sahrens data = &txg; 2347fa9e4066Sahrens } else { 2348fa9e4066Sahrens wsize = 1; 2349fa9e4066Sahrens wc = namelen; 2350fa9e4066Sahrens data = string_value; 2351fa9e4066Sahrens } 2352fa9e4066Sahrens 2353fa9e4066Sahrens count = -1ULL; 2354fa9e4066Sahrens VERIFY(zap_count(os, object, &count) == 0); 2355fa9e4066Sahrens ASSERT(count != -1ULL); 2356fa9e4066Sahrens 2357fa9e4066Sahrens /* 2358fa9e4066Sahrens * Select an operation: length, lookup, add, update, remove. 2359fa9e4066Sahrens */ 2360fa9e4066Sahrens i = ztest_random(5); 2361fa9e4066Sahrens 2362fa9e4066Sahrens if (i >= 2) { 2363fa9e4066Sahrens tx = dmu_tx_create(os); 2364ea8dc4b6Seschrock dmu_tx_hold_zap(tx, object, TRUE, NULL); 2365fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2366fa9e4066Sahrens if (error) { 2367fa9e4066Sahrens ztest_record_enospc("zap parallel"); 2368fa9e4066Sahrens dmu_tx_abort(tx); 2369fa9e4066Sahrens return; 2370fa9e4066Sahrens } 2371fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 2372fa9e4066Sahrens bcopy(name, string_value, namelen); 2373fa9e4066Sahrens } else { 2374fa9e4066Sahrens tx = NULL; 2375fa9e4066Sahrens txg = 0; 2376fa9e4066Sahrens bzero(string_value, namelen); 2377fa9e4066Sahrens } 2378fa9e4066Sahrens 2379fa9e4066Sahrens switch (i) { 2380fa9e4066Sahrens 2381fa9e4066Sahrens case 0: 2382fa9e4066Sahrens error = zap_length(os, object, name, &zl_wsize, &zl_wc); 2383fa9e4066Sahrens if (error == 0) { 2384fa9e4066Sahrens ASSERT3U(wsize, ==, zl_wsize); 2385fa9e4066Sahrens ASSERT3U(wc, ==, zl_wc); 2386fa9e4066Sahrens } else { 2387fa9e4066Sahrens ASSERT3U(error, ==, ENOENT); 2388fa9e4066Sahrens } 2389fa9e4066Sahrens break; 2390fa9e4066Sahrens 2391fa9e4066Sahrens case 1: 2392fa9e4066Sahrens error = zap_lookup(os, object, name, wsize, wc, data); 2393fa9e4066Sahrens if (error == 0) { 2394fa9e4066Sahrens if (data == string_value && 2395fa9e4066Sahrens bcmp(name, data, namelen) != 0) 2396fa9e4066Sahrens fatal(0, "name '%s' != val '%s' len %d", 2397fa9e4066Sahrens name, data, namelen); 2398fa9e4066Sahrens } else { 2399fa9e4066Sahrens ASSERT3U(error, ==, ENOENT); 2400fa9e4066Sahrens } 2401fa9e4066Sahrens break; 2402fa9e4066Sahrens 2403fa9e4066Sahrens case 2: 2404fa9e4066Sahrens error = zap_add(os, object, name, wsize, wc, data, tx); 2405fa9e4066Sahrens ASSERT(error == 0 || error == EEXIST); 2406fa9e4066Sahrens break; 2407fa9e4066Sahrens 2408fa9e4066Sahrens case 3: 2409fa9e4066Sahrens VERIFY(zap_update(os, object, name, wsize, wc, 2410fa9e4066Sahrens data, tx) == 0); 2411fa9e4066Sahrens break; 2412fa9e4066Sahrens 2413fa9e4066Sahrens case 4: 2414fa9e4066Sahrens error = zap_remove(os, object, name, tx); 2415fa9e4066Sahrens ASSERT(error == 0 || error == ENOENT); 2416fa9e4066Sahrens break; 2417fa9e4066Sahrens } 2418fa9e4066Sahrens 2419fa9e4066Sahrens if (tx != NULL) 2420fa9e4066Sahrens dmu_tx_commit(tx); 2421fa9e4066Sahrens } 2422fa9e4066Sahrens } 2423fa9e4066Sahrens 2424fa9e4066Sahrens void 2425fa9e4066Sahrens ztest_dsl_prop_get_set(ztest_args_t *za) 2426fa9e4066Sahrens { 2427fa9e4066Sahrens objset_t *os = za->za_os; 2428fa9e4066Sahrens int i, inherit; 2429fa9e4066Sahrens uint64_t value; 2430fa9e4066Sahrens const char *prop, *valname; 2431fa9e4066Sahrens char setpoint[MAXPATHLEN]; 2432fa9e4066Sahrens char osname[MAXNAMELEN]; 2433ea8dc4b6Seschrock int error; 2434fa9e4066Sahrens 2435fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 2436fa9e4066Sahrens 2437fa9e4066Sahrens dmu_objset_name(os, osname); 2438fa9e4066Sahrens 2439fa9e4066Sahrens for (i = 0; i < 2; i++) { 2440fa9e4066Sahrens if (i == 0) { 2441fa9e4066Sahrens prop = "checksum"; 2442fa9e4066Sahrens value = ztest_random_checksum(); 2443fa9e4066Sahrens inherit = (value == ZIO_CHECKSUM_INHERIT); 2444fa9e4066Sahrens } else { 2445fa9e4066Sahrens prop = "compression"; 2446fa9e4066Sahrens value = ztest_random_compress(); 2447fa9e4066Sahrens inherit = (value == ZIO_COMPRESS_INHERIT); 2448fa9e4066Sahrens } 2449fa9e4066Sahrens 2450ea8dc4b6Seschrock error = dsl_prop_set(osname, prop, sizeof (value), 2451ea8dc4b6Seschrock !inherit, &value); 2452ea8dc4b6Seschrock 2453ea8dc4b6Seschrock if (error == ENOSPC) { 2454ea8dc4b6Seschrock ztest_record_enospc("dsl_prop_set"); 2455ea8dc4b6Seschrock break; 2456ea8dc4b6Seschrock } 2457ea8dc4b6Seschrock 2458ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 2459fa9e4066Sahrens 2460fa9e4066Sahrens VERIFY3U(dsl_prop_get(osname, prop, sizeof (value), 2461fa9e4066Sahrens 1, &value, setpoint), ==, 0); 2462fa9e4066Sahrens 2463fa9e4066Sahrens if (i == 0) 2464fa9e4066Sahrens valname = zio_checksum_table[value].ci_name; 2465fa9e4066Sahrens else 2466fa9e4066Sahrens valname = zio_compress_table[value].ci_name; 2467fa9e4066Sahrens 2468fa9e4066Sahrens if (zopt_verbose >= 6) { 2469fa9e4066Sahrens (void) printf("%s %s = %s for '%s'\n", 2470fa9e4066Sahrens osname, prop, valname, setpoint); 2471fa9e4066Sahrens } 2472fa9e4066Sahrens } 2473fa9e4066Sahrens 2474fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 2475fa9e4066Sahrens } 2476fa9e4066Sahrens 2477ea8dc4b6Seschrock static void 2478ea8dc4b6Seschrock ztest_error_setup(vdev_t *vd, int mode, int mask, uint64_t arg) 2479ea8dc4b6Seschrock { 2480ea8dc4b6Seschrock int c; 2481ea8dc4b6Seschrock 2482ea8dc4b6Seschrock for (c = 0; c < vd->vdev_children; c++) 2483ea8dc4b6Seschrock ztest_error_setup(vd->vdev_child[c], mode, mask, arg); 2484ea8dc4b6Seschrock 2485ea8dc4b6Seschrock if (vd->vdev_path != NULL) { 2486ea8dc4b6Seschrock vd->vdev_fault_mode = mode; 2487ea8dc4b6Seschrock vd->vdev_fault_mask = mask; 2488ea8dc4b6Seschrock vd->vdev_fault_arg = arg; 2489ea8dc4b6Seschrock } 2490ea8dc4b6Seschrock } 2491ea8dc4b6Seschrock 2492fa9e4066Sahrens /* 2493fa9e4066Sahrens * Inject random faults into the on-disk data. 2494fa9e4066Sahrens */ 2495fa9e4066Sahrens void 2496fa9e4066Sahrens ztest_fault_inject(ztest_args_t *za) 2497fa9e4066Sahrens { 2498fa9e4066Sahrens int fd; 2499fa9e4066Sahrens uint64_t offset; 2500fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 2501fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 2502fa9e4066Sahrens uint64_t top, leaf; 2503fa9e4066Sahrens char path0[MAXPATHLEN]; 2504fa9e4066Sahrens char pathrand[MAXPATHLEN]; 2505fa9e4066Sahrens size_t fsize; 2506fa9e4066Sahrens spa_t *spa = dmu_objset_spa(za->za_os); 2507fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 2508fa9e4066Sahrens int iters = 1000; 2509ea8dc4b6Seschrock vdev_t *vd0; 2510ea8dc4b6Seschrock uint64_t guid0 = 0; 2511ea8dc4b6Seschrock 2512ea8dc4b6Seschrock /* 2513ea8dc4b6Seschrock * We can't inject faults when we have no fault tolerance. 2514ea8dc4b6Seschrock */ 2515ea8dc4b6Seschrock if (zopt_maxfaults == 0) 2516ea8dc4b6Seschrock return; 2517ea8dc4b6Seschrock 2518ea8dc4b6Seschrock ASSERT(leaves >= 2); 2519fa9e4066Sahrens 2520fa9e4066Sahrens /* 2521fa9e4066Sahrens * Pick a random top-level vdev. 2522fa9e4066Sahrens */ 2523ea8dc4b6Seschrock spa_config_enter(spa, RW_READER, FTAG); 2524fa9e4066Sahrens top = ztest_random(spa->spa_root_vdev->vdev_children); 2525ea8dc4b6Seschrock spa_config_exit(spa, FTAG); 2526fa9e4066Sahrens 2527fa9e4066Sahrens /* 2528fa9e4066Sahrens * Pick a random leaf. 2529fa9e4066Sahrens */ 2530fa9e4066Sahrens leaf = ztest_random(leaves); 2531fa9e4066Sahrens 2532fa9e4066Sahrens /* 2533ea8dc4b6Seschrock * Generate paths to the first two leaves in this top-level vdev, 2534fa9e4066Sahrens * and to the random leaf we selected. We'll induce transient 2535ea8dc4b6Seschrock * I/O errors and random online/offline activity on leaf 0, 2536fa9e4066Sahrens * and we'll write random garbage to the randomly chosen leaf. 2537fa9e4066Sahrens */ 2538fa9e4066Sahrens (void) snprintf(path0, sizeof (path0), 2539fa9e4066Sahrens ztest_dev_template, zopt_dir, zopt_pool, top * leaves + 0); 2540fa9e4066Sahrens (void) snprintf(pathrand, sizeof (pathrand), 2541fa9e4066Sahrens ztest_dev_template, zopt_dir, zopt_pool, top * leaves + leaf); 2542fa9e4066Sahrens 2543ea8dc4b6Seschrock dprintf("damaging %s and %s\n", path0, pathrand); 2544fa9e4066Sahrens 2545ea8dc4b6Seschrock spa_config_enter(spa, RW_READER, FTAG); 2546fa9e4066Sahrens 2547fa9e4066Sahrens /* 2548ea8dc4b6Seschrock * If we can tolerate two or more faults, make vd0 fail randomly. 2549fa9e4066Sahrens */ 2550ea8dc4b6Seschrock vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 2551ea8dc4b6Seschrock if (vd0 != NULL && zopt_maxfaults >= 2) { 2552ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 2553ea8dc4b6Seschrock ztest_error_setup(vd0, VDEV_FAULT_COUNT, 2554ea8dc4b6Seschrock (1U << ZIO_TYPE_READ) | (1U << ZIO_TYPE_WRITE), 100); 2555fa9e4066Sahrens } 2556fa9e4066Sahrens 2557ea8dc4b6Seschrock spa_config_exit(spa, FTAG); 2558fa9e4066Sahrens 2559fa9e4066Sahrens /* 2560ea8dc4b6Seschrock * If we can tolerate two or more faults, randomly online/offline vd0. 2561fa9e4066Sahrens */ 2562ea8dc4b6Seschrock if (zopt_maxfaults >= 2 && guid0 != 0) { 2563fa9e4066Sahrens if (ztest_random(10) < 6) 2564ea8dc4b6Seschrock (void) vdev_offline(spa, guid0, B_TRUE); 2565fa9e4066Sahrens else 2566ea8dc4b6Seschrock (void) vdev_online(spa, guid0); 2567fa9e4066Sahrens } 2568fa9e4066Sahrens 2569fa9e4066Sahrens /* 2570ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 2571fa9e4066Sahrens */ 2572fa9e4066Sahrens fd = open(pathrand, O_RDWR); 2573fa9e4066Sahrens 2574fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 2575fa9e4066Sahrens return; 2576fa9e4066Sahrens 2577fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 2578fa9e4066Sahrens 2579fa9e4066Sahrens while (--iters != 0) { 2580fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 2581fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 2582fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 2583fa9e4066Sahrens 2584fa9e4066Sahrens if (offset >= fsize) 2585fa9e4066Sahrens continue; 2586fa9e4066Sahrens 2587fa9e4066Sahrens if (zopt_verbose >= 6) 2588fa9e4066Sahrens (void) printf("injecting bad word into %s," 2589fa9e4066Sahrens " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 2590fa9e4066Sahrens 2591fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 2592fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 2593fa9e4066Sahrens offset, pathrand); 2594fa9e4066Sahrens } 2595fa9e4066Sahrens 2596fa9e4066Sahrens (void) close(fd); 2597fa9e4066Sahrens } 2598fa9e4066Sahrens 2599fa9e4066Sahrens /* 2600fa9e4066Sahrens * Scrub the pool. 2601fa9e4066Sahrens */ 2602fa9e4066Sahrens void 2603fa9e4066Sahrens ztest_scrub(ztest_args_t *za) 2604fa9e4066Sahrens { 2605fa9e4066Sahrens spa_t *spa = dmu_objset_spa(za->za_os); 2606fa9e4066Sahrens 2607fa9e4066Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING, B_FALSE); 2608fa9e4066Sahrens (void) poll(NULL, 0, 1000); /* wait a second, then force a restart */ 2609fa9e4066Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING, B_FALSE); 2610fa9e4066Sahrens } 2611fa9e4066Sahrens 2612fa9e4066Sahrens /* 2613fa9e4066Sahrens * Rename the pool to a different name and then rename it back. 2614fa9e4066Sahrens */ 2615fa9e4066Sahrens void 2616fa9e4066Sahrens ztest_spa_rename(ztest_args_t *za) 2617fa9e4066Sahrens { 2618fa9e4066Sahrens char *oldname, *newname; 2619fa9e4066Sahrens int error; 2620fa9e4066Sahrens spa_t *spa; 2621fa9e4066Sahrens 2622fa9e4066Sahrens (void) rw_wrlock(&ztest_shared->zs_name_lock); 2623fa9e4066Sahrens 2624fa9e4066Sahrens oldname = za->za_pool; 2625fa9e4066Sahrens newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 2626fa9e4066Sahrens (void) strcpy(newname, oldname); 2627fa9e4066Sahrens (void) strcat(newname, "_tmp"); 2628fa9e4066Sahrens 2629fa9e4066Sahrens /* 2630fa9e4066Sahrens * Do the rename 2631fa9e4066Sahrens */ 2632fa9e4066Sahrens error = spa_rename(oldname, newname); 2633fa9e4066Sahrens if (error) 2634fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", oldname, 2635fa9e4066Sahrens newname, error); 2636fa9e4066Sahrens 2637fa9e4066Sahrens /* 2638fa9e4066Sahrens * Try to open it under the old name, which shouldn't exist 2639fa9e4066Sahrens */ 2640fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2641fa9e4066Sahrens if (error != ENOENT) 2642fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 2643fa9e4066Sahrens 2644fa9e4066Sahrens /* 2645fa9e4066Sahrens * Open it under the new name and make sure it's still the same spa_t. 2646fa9e4066Sahrens */ 2647fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 2648fa9e4066Sahrens if (error != 0) 2649fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 2650fa9e4066Sahrens 2651fa9e4066Sahrens ASSERT(spa == dmu_objset_spa(za->za_os)); 2652fa9e4066Sahrens spa_close(spa, FTAG); 2653fa9e4066Sahrens 2654fa9e4066Sahrens /* 2655fa9e4066Sahrens * Rename it back to the original 2656fa9e4066Sahrens */ 2657fa9e4066Sahrens error = spa_rename(newname, oldname); 2658fa9e4066Sahrens if (error) 2659fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", newname, 2660fa9e4066Sahrens oldname, error); 2661fa9e4066Sahrens 2662fa9e4066Sahrens /* 2663fa9e4066Sahrens * Make sure it can still be opened 2664fa9e4066Sahrens */ 2665fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2666fa9e4066Sahrens if (error != 0) 2667fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 2668fa9e4066Sahrens 2669fa9e4066Sahrens ASSERT(spa == dmu_objset_spa(za->za_os)); 2670fa9e4066Sahrens spa_close(spa, FTAG); 2671fa9e4066Sahrens 2672fa9e4066Sahrens umem_free(newname, strlen(newname) + 1); 2673fa9e4066Sahrens 2674fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 2675fa9e4066Sahrens } 2676fa9e4066Sahrens 2677fa9e4066Sahrens 2678fa9e4066Sahrens /* 2679fa9e4066Sahrens * Completely obliterate one disk. 2680fa9e4066Sahrens */ 2681fa9e4066Sahrens static void 2682fa9e4066Sahrens ztest_obliterate_one_disk(uint64_t vdev) 2683fa9e4066Sahrens { 2684fa9e4066Sahrens int fd; 2685d80c45e0Sbonwick char dev_name[MAXPATHLEN], copy_name[MAXPATHLEN]; 2686fa9e4066Sahrens size_t fsize; 2687fa9e4066Sahrens 2688fa9e4066Sahrens if (zopt_maxfaults < 2) 2689fa9e4066Sahrens return; 2690fa9e4066Sahrens 2691fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 2692d80c45e0Sbonwick (void) snprintf(copy_name, MAXPATHLEN, "%s.old", dev_name); 2693fa9e4066Sahrens 2694fa9e4066Sahrens fd = open(dev_name, O_RDWR); 2695fa9e4066Sahrens 2696fa9e4066Sahrens if (fd == -1) 2697fa9e4066Sahrens fatal(1, "can't open %s", dev_name); 2698fa9e4066Sahrens 2699fa9e4066Sahrens /* 2700fa9e4066Sahrens * Determine the size. 2701fa9e4066Sahrens */ 2702fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 2703d80c45e0Sbonwick 2704fa9e4066Sahrens (void) close(fd); 2705fa9e4066Sahrens 2706fa9e4066Sahrens /* 2707d80c45e0Sbonwick * Rename the old device to dev_name.old (useful for debugging). 2708fa9e4066Sahrens */ 2709d80c45e0Sbonwick VERIFY(rename(dev_name, copy_name) == 0); 2710fa9e4066Sahrens 2711fa9e4066Sahrens /* 2712fa9e4066Sahrens * Create a new one. 2713fa9e4066Sahrens */ 2714fa9e4066Sahrens VERIFY((fd = open(dev_name, O_RDWR | O_CREAT | O_TRUNC, 0666)) >= 0); 2715fa9e4066Sahrens VERIFY(ftruncate(fd, fsize) == 0); 2716fa9e4066Sahrens (void) close(fd); 2717fa9e4066Sahrens } 2718fa9e4066Sahrens 2719fa9e4066Sahrens static void 2720fa9e4066Sahrens ztest_replace_one_disk(spa_t *spa, uint64_t vdev) 2721fa9e4066Sahrens { 2722fa9e4066Sahrens char dev_name[MAXPATHLEN]; 2723fa9e4066Sahrens nvlist_t *file, *root; 2724fa9e4066Sahrens int error; 2725ea8dc4b6Seschrock uint64_t guid; 2726ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 2727ea8dc4b6Seschrock vdev_t *vd; 2728fa9e4066Sahrens 2729fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 2730fa9e4066Sahrens 2731fa9e4066Sahrens /* 2732fa9e4066Sahrens * Build the nvlist describing dev_name. 2733fa9e4066Sahrens */ 2734fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 2735fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 2736fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, dev_name) == 0); 2737ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 2738fa9e4066Sahrens 2739fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 2740fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 2741fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(root, ZPOOL_CONFIG_CHILDREN, 2742fa9e4066Sahrens &file, 1) == 0); 2743fa9e4066Sahrens 2744ea8dc4b6Seschrock spa_config_enter(spa, RW_READER, FTAG); 2745ea8dc4b6Seschrock if ((vd = vdev_lookup_by_path(spa->spa_root_vdev, dev_name)) == NULL) 2746ea8dc4b6Seschrock guid = 0; 2747ea8dc4b6Seschrock else 2748ea8dc4b6Seschrock guid = vd->vdev_guid; 2749ea8dc4b6Seschrock spa_config_exit(spa, FTAG); 2750ea8dc4b6Seschrock error = spa_vdev_attach(spa, guid, root, B_TRUE); 2751ecc2d604Sbonwick if (error != 0 && 2752ecc2d604Sbonwick error != EBUSY && 2753ecc2d604Sbonwick error != ENOTSUP && 2754ecc2d604Sbonwick error != ENODEV && 2755ecc2d604Sbonwick error != EDOM) 2756fa9e4066Sahrens fatal(0, "spa_vdev_attach(in-place) = %d", error); 2757fa9e4066Sahrens 2758fa9e4066Sahrens nvlist_free(file); 2759fa9e4066Sahrens nvlist_free(root); 2760fa9e4066Sahrens } 2761fa9e4066Sahrens 2762fa9e4066Sahrens static void 2763fa9e4066Sahrens ztest_verify_blocks(char *pool) 2764fa9e4066Sahrens { 2765fa9e4066Sahrens int status; 2766fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 2767fa9e4066Sahrens char zbuf[1024]; 2768fa9e4066Sahrens char *bin; 2769fa9e4066Sahrens FILE *fp; 2770fa9e4066Sahrens 2771fa9e4066Sahrens (void) realpath(getexecname(), zdb); 2772fa9e4066Sahrens 2773fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 2774fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 2775fa9e4066Sahrens /* LINTED */ 2776fa9e4066Sahrens (void) sprintf(bin, "/usr/sbin/zdb -bc%s%s -U -O %s %s", 2777fa9e4066Sahrens zopt_verbose >= 3 ? "s" : "", 2778fa9e4066Sahrens zopt_verbose >= 4 ? "v" : "", 2779fa9e4066Sahrens ztest_random(2) == 0 ? "pre" : "post", pool); 2780fa9e4066Sahrens 2781fa9e4066Sahrens if (zopt_verbose >= 5) 2782fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 2783fa9e4066Sahrens 2784fa9e4066Sahrens fp = popen(zdb, "r"); 2785fa9e4066Sahrens 2786fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 2787fa9e4066Sahrens if (zopt_verbose >= 3) 2788fa9e4066Sahrens (void) printf("%s", zbuf); 2789fa9e4066Sahrens 2790fa9e4066Sahrens status = pclose(fp); 2791fa9e4066Sahrens 2792fa9e4066Sahrens if (status == 0) 2793fa9e4066Sahrens return; 2794fa9e4066Sahrens 2795fa9e4066Sahrens ztest_dump_core = 0; 2796fa9e4066Sahrens if (WIFEXITED(status)) 2797fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 2798fa9e4066Sahrens else 2799fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 2800fa9e4066Sahrens } 2801fa9e4066Sahrens 2802fa9e4066Sahrens static void 2803fa9e4066Sahrens ztest_walk_pool_directory(char *header) 2804fa9e4066Sahrens { 2805fa9e4066Sahrens spa_t *spa = NULL; 2806fa9e4066Sahrens 2807fa9e4066Sahrens if (zopt_verbose >= 6) 2808fa9e4066Sahrens (void) printf("%s\n", header); 2809fa9e4066Sahrens 2810fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 2811fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 2812fa9e4066Sahrens if (zopt_verbose >= 6) 2813fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 2814fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 2815fa9e4066Sahrens } 2816fa9e4066Sahrens 2817fa9e4066Sahrens static void 2818fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 2819fa9e4066Sahrens { 2820fa9e4066Sahrens nvlist_t *config; 2821fa9e4066Sahrens uint64_t pool_guid; 2822fa9e4066Sahrens spa_t *spa; 2823fa9e4066Sahrens int error; 2824fa9e4066Sahrens 2825fa9e4066Sahrens if (zopt_verbose >= 4) { 2826fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 2827fa9e4066Sahrens oldname, newname); 2828fa9e4066Sahrens } 2829fa9e4066Sahrens 2830fa9e4066Sahrens /* 2831fa9e4066Sahrens * Clean up from previous runs. 2832fa9e4066Sahrens */ 2833fa9e4066Sahrens (void) spa_destroy(newname); 2834fa9e4066Sahrens 2835fa9e4066Sahrens /* 2836fa9e4066Sahrens * Get the pool's configuration and guid. 2837fa9e4066Sahrens */ 2838fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2839fa9e4066Sahrens if (error) 2840fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 2841fa9e4066Sahrens 2842fa9e4066Sahrens pool_guid = spa_guid(spa); 2843fa9e4066Sahrens spa_close(spa, FTAG); 2844fa9e4066Sahrens 2845fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 2846fa9e4066Sahrens 2847fa9e4066Sahrens /* 2848fa9e4066Sahrens * Export it. 2849fa9e4066Sahrens */ 285044cd46caSbillm error = spa_export(oldname, &config); 2851fa9e4066Sahrens if (error) 2852fa9e4066Sahrens fatal(0, "spa_export('%s') = %d", oldname, error); 2853fa9e4066Sahrens 2854fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 2855fa9e4066Sahrens 2856fa9e4066Sahrens /* 2857fa9e4066Sahrens * Import it under the new name. 2858fa9e4066Sahrens */ 2859fa9e4066Sahrens error = spa_import(newname, config, NULL); 2860fa9e4066Sahrens if (error) 2861fa9e4066Sahrens fatal(0, "spa_import('%s') = %d", newname, error); 2862fa9e4066Sahrens 2863fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 2864fa9e4066Sahrens 2865fa9e4066Sahrens /* 2866fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 2867fa9e4066Sahrens */ 2868fa9e4066Sahrens error = spa_import(newname, config, NULL); 2869fa9e4066Sahrens if (error != EEXIST) 2870fa9e4066Sahrens fatal(0, "spa_import('%s') twice", newname); 2871fa9e4066Sahrens 2872fa9e4066Sahrens /* 2873fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 2874fa9e4066Sahrens */ 2875fa9e4066Sahrens error = spa_import(oldname, config, NULL); 2876fa9e4066Sahrens if (error != EEXIST) 2877fa9e4066Sahrens fatal(0, "spa_import('%s') under multiple names", newname); 2878fa9e4066Sahrens 2879fa9e4066Sahrens /* 2880fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 2881fa9e4066Sahrens */ 2882fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2883fa9e4066Sahrens if (error != ENOENT) 2884fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 2885fa9e4066Sahrens 2886fa9e4066Sahrens /* 2887fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 2888fa9e4066Sahrens */ 2889fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 2890fa9e4066Sahrens if (error) 2891fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 2892fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 2893fa9e4066Sahrens spa_close(spa, FTAG); 2894fa9e4066Sahrens 2895fa9e4066Sahrens nvlist_free(config); 2896fa9e4066Sahrens } 2897fa9e4066Sahrens 2898fa9e4066Sahrens static void * 2899fa9e4066Sahrens ztest_thread(void *arg) 2900fa9e4066Sahrens { 2901fa9e4066Sahrens ztest_args_t *za = arg; 2902fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 2903fa9e4066Sahrens hrtime_t now, functime; 2904fa9e4066Sahrens ztest_info_t *zi; 2905fa9e4066Sahrens int f; 2906fa9e4066Sahrens 2907fa9e4066Sahrens while ((now = gethrtime()) < za->za_stop) { 2908fa9e4066Sahrens /* 2909fa9e4066Sahrens * See if it's time to force a crash. 2910fa9e4066Sahrens */ 2911fa9e4066Sahrens if (now > za->za_kill) { 2912fa9e4066Sahrens zs->zs_alloc = spa_get_alloc(dmu_objset_spa(za->za_os)); 2913fa9e4066Sahrens zs->zs_space = spa_get_space(dmu_objset_spa(za->za_os)); 2914fa9e4066Sahrens (void) kill(getpid(), SIGKILL); 2915fa9e4066Sahrens } 2916fa9e4066Sahrens 2917fa9e4066Sahrens /* 2918fa9e4066Sahrens * Pick a random function. 2919fa9e4066Sahrens */ 2920fa9e4066Sahrens f = ztest_random(ZTEST_FUNCS); 2921fa9e4066Sahrens zi = &zs->zs_info[f]; 2922fa9e4066Sahrens 2923fa9e4066Sahrens /* 2924fa9e4066Sahrens * Decide whether to call it, based on the requested frequency. 2925fa9e4066Sahrens */ 2926fa9e4066Sahrens if (zi->zi_call_target == 0 || 2927fa9e4066Sahrens (double)zi->zi_call_total / zi->zi_call_target > 2928fa9e4066Sahrens (double)(now - zs->zs_start_time) / (zopt_time * NANOSEC)) 2929fa9e4066Sahrens continue; 2930fa9e4066Sahrens 2931fa9e4066Sahrens atomic_add_64(&zi->zi_calls, 1); 2932fa9e4066Sahrens atomic_add_64(&zi->zi_call_total, 1); 2933fa9e4066Sahrens 2934fa9e4066Sahrens za->za_diroff = (za->za_instance * ZTEST_FUNCS + f) * 2935fa9e4066Sahrens ZTEST_DIRSIZE; 2936fa9e4066Sahrens za->za_diroff_shared = (1ULL << 63); 2937fa9e4066Sahrens 2938fa9e4066Sahrens ztest_dmu_write_parallel(za); 2939fa9e4066Sahrens 2940fa9e4066Sahrens zi->zi_func(za); 2941fa9e4066Sahrens 2942fa9e4066Sahrens functime = gethrtime() - now; 2943fa9e4066Sahrens 2944fa9e4066Sahrens atomic_add_64(&zi->zi_call_time, functime); 2945fa9e4066Sahrens 2946fa9e4066Sahrens if (zopt_verbose >= 4) { 2947fa9e4066Sahrens Dl_info dli; 2948fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 2949fa9e4066Sahrens (void) printf("%6.2f sec in %s\n", 2950fa9e4066Sahrens (double)functime / NANOSEC, dli.dli_sname); 2951fa9e4066Sahrens } 2952fa9e4066Sahrens 2953fa9e4066Sahrens /* 2954fa9e4066Sahrens * If we're getting ENOSPC with some regularity, stop. 2955fa9e4066Sahrens */ 2956fa9e4066Sahrens if (zs->zs_enospc_count > 10) 2957fa9e4066Sahrens break; 2958fa9e4066Sahrens } 2959fa9e4066Sahrens 2960fa9e4066Sahrens return (NULL); 2961fa9e4066Sahrens } 2962fa9e4066Sahrens 2963fa9e4066Sahrens /* 2964fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 2965fa9e4066Sahrens */ 2966fa9e4066Sahrens static void 2967fa9e4066Sahrens ztest_run(char *pool) 2968fa9e4066Sahrens { 2969fa9e4066Sahrens int t, d, error; 2970fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 2971fa9e4066Sahrens ztest_args_t *za; 2972fa9e4066Sahrens spa_t *spa; 2973fa9e4066Sahrens char name[100]; 2974fa9e4066Sahrens 2975fa9e4066Sahrens (void) _mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL); 2976fa9e4066Sahrens (void) rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL); 2977fa9e4066Sahrens 2978fa9e4066Sahrens for (t = 0; t < ZTEST_SYNC_LOCKS; t++) 2979fa9e4066Sahrens (void) _mutex_init(&zs->zs_sync_lock[t], USYNC_THREAD, NULL); 2980fa9e4066Sahrens 2981fa9e4066Sahrens /* 2982fa9e4066Sahrens * Destroy one disk before we even start. 2983fa9e4066Sahrens * It's mirrored, so everything should work just fine. 2984fa9e4066Sahrens * This makes us exercise fault handling very early in spa_load(). 2985fa9e4066Sahrens */ 2986fa9e4066Sahrens ztest_obliterate_one_disk(0); 2987fa9e4066Sahrens 2988fa9e4066Sahrens /* 2989fa9e4066Sahrens * Verify that the sum of the sizes of all blocks in the pool 2990fa9e4066Sahrens * equals the SPA's allocated space total. 2991fa9e4066Sahrens */ 2992fa9e4066Sahrens ztest_verify_blocks(pool); 2993fa9e4066Sahrens 2994fa9e4066Sahrens /* 2995fa9e4066Sahrens * Kick off a replacement of the disk we just obliterated. 2996fa9e4066Sahrens */ 2997fa9e4066Sahrens kernel_init(FREAD | FWRITE); 2998fa9e4066Sahrens error = spa_open(pool, &spa, FTAG); 2999fa9e4066Sahrens if (error) 3000fa9e4066Sahrens fatal(0, "spa_open(%s) = %d", pool, error); 3001fa9e4066Sahrens ztest_replace_one_disk(spa, 0); 3002fa9e4066Sahrens if (zopt_verbose >= 5) 3003fa9e4066Sahrens show_pool_stats(spa); 3004fa9e4066Sahrens spa_close(spa, FTAG); 3005fa9e4066Sahrens kernel_fini(); 3006fa9e4066Sahrens 3007fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3008fa9e4066Sahrens 3009fa9e4066Sahrens /* 3010fa9e4066Sahrens * Verify that we can export the pool and reimport it under a 3011fa9e4066Sahrens * different name. 3012fa9e4066Sahrens */ 30130e34b6a7Sbonwick if (ztest_random(2) == 0) { 30140e34b6a7Sbonwick (void) snprintf(name, 100, "%s_import", pool); 30150e34b6a7Sbonwick ztest_spa_import_export(pool, name); 30160e34b6a7Sbonwick ztest_spa_import_export(name, pool); 30170e34b6a7Sbonwick } 3018fa9e4066Sahrens 3019fa9e4066Sahrens /* 3020fa9e4066Sahrens * Verify that we can loop over all pools. 3021fa9e4066Sahrens */ 3022fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 3023fa9e4066Sahrens for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) { 3024fa9e4066Sahrens if (zopt_verbose > 3) { 3025fa9e4066Sahrens (void) printf("spa_next: found %s\n", spa_name(spa)); 3026fa9e4066Sahrens } 3027fa9e4066Sahrens } 3028fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 3029fa9e4066Sahrens 3030fa9e4066Sahrens /* 3031fa9e4066Sahrens * Open our pool. 3032fa9e4066Sahrens */ 3033fa9e4066Sahrens error = spa_open(pool, &spa, FTAG); 3034fa9e4066Sahrens if (error) 3035fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 3036fa9e4066Sahrens 3037fa9e4066Sahrens /* 3038fa9e4066Sahrens * Verify that we can safely inquire about about any object, 3039fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 3040fa9e4066Sahrens * we probe a 5-wide window around each power of two. 3041fa9e4066Sahrens * This hits all edge cases, including zero and the max. 3042fa9e4066Sahrens */ 3043fa9e4066Sahrens for (t = 0; t < 64; t++) { 3044fa9e4066Sahrens for (d = -5; d <= 5; d++) { 3045fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 3046fa9e4066Sahrens (1ULL << t) + d, NULL); 3047ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 3048ea8dc4b6Seschrock error == EINVAL); 3049fa9e4066Sahrens } 3050fa9e4066Sahrens } 3051fa9e4066Sahrens 3052fa9e4066Sahrens /* 3053fa9e4066Sahrens * Now kick off all the tests that run in parallel. 3054fa9e4066Sahrens */ 3055fa9e4066Sahrens zs->zs_enospc_count = 0; 3056fa9e4066Sahrens 3057fa9e4066Sahrens za = umem_zalloc(zopt_threads * sizeof (ztest_args_t), UMEM_NOFAIL); 3058fa9e4066Sahrens 3059fa9e4066Sahrens if (zopt_verbose >= 4) 3060fa9e4066Sahrens (void) printf("starting main threads...\n"); 3061fa9e4066Sahrens 3062fa9e4066Sahrens za[0].za_start = gethrtime(); 3063fa9e4066Sahrens za[0].za_stop = za[0].za_start + zopt_passtime * NANOSEC; 3064fa9e4066Sahrens za[0].za_stop = MIN(za[0].za_stop, zs->zs_stop_time); 3065fa9e4066Sahrens za[0].za_kill = za[0].za_stop; 3066fa9e4066Sahrens if (ztest_random(100) < zopt_killrate) 3067fa9e4066Sahrens za[0].za_kill -= ztest_random(zopt_passtime * NANOSEC); 3068fa9e4066Sahrens 3069fa9e4066Sahrens for (t = 0; t < zopt_threads; t++) { 3070ecc2d604Sbonwick d = t % zopt_datasets; 3071ecc2d604Sbonwick if (t < zopt_datasets) { 3072fa9e4066Sahrens ztest_replay_t zr; 3073fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3074fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_%d", pool, pool, d); 3075fa9e4066Sahrens error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 3076fa9e4066Sahrens ztest_create_cb, NULL); 3077fa9e4066Sahrens if (error != 0 && error != EEXIST) { 3078fa9e4066Sahrens if (error == ENOSPC) { 3079fa9e4066Sahrens zs->zs_enospc_count++; 3080fa9e4066Sahrens (void) rw_unlock( 3081fa9e4066Sahrens &ztest_shared->zs_name_lock); 3082fa9e4066Sahrens break; 3083fa9e4066Sahrens } 3084fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", 3085fa9e4066Sahrens name, error); 3086fa9e4066Sahrens } 3087fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, 3088fa9e4066Sahrens DS_MODE_STANDARD, &za[d].za_os); 3089fa9e4066Sahrens if (error) 3090fa9e4066Sahrens fatal(0, "dmu_objset_open('%s') = %d", 3091fa9e4066Sahrens name, error); 3092fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3093fa9e4066Sahrens zr.zr_os = za[d].za_os; 3094fa9e4066Sahrens zil_replay(zr.zr_os, &zr, &zr.zr_assign, 3095fa9e4066Sahrens ztest_replay_vector, NULL); 3096fa9e4066Sahrens za[d].za_zilog = zil_open(za[d].za_os, NULL); 3097fa9e4066Sahrens } 3098fa9e4066Sahrens za[t].za_pool = spa_strdup(pool); 3099fa9e4066Sahrens za[t].za_os = za[d].za_os; 3100fa9e4066Sahrens za[t].za_zilog = za[d].za_zilog; 3101fa9e4066Sahrens za[t].za_instance = t; 3102fa9e4066Sahrens za[t].za_random = ztest_random(-1ULL); 3103fa9e4066Sahrens za[t].za_start = za[0].za_start; 3104fa9e4066Sahrens za[t].za_stop = za[0].za_stop; 3105fa9e4066Sahrens za[t].za_kill = za[0].za_kill; 3106fa9e4066Sahrens 3107fa9e4066Sahrens error = thr_create(0, 0, ztest_thread, &za[t], THR_BOUND, 3108fa9e4066Sahrens &za[t].za_thread); 3109fa9e4066Sahrens if (error) 3110fa9e4066Sahrens fatal(0, "can't create thread %d: error %d", 3111fa9e4066Sahrens t, error); 3112fa9e4066Sahrens } 3113fa9e4066Sahrens 3114fa9e4066Sahrens while (--t >= 0) { 3115fa9e4066Sahrens error = thr_join(za[t].za_thread, NULL, NULL); 3116fa9e4066Sahrens if (error) 3117fa9e4066Sahrens fatal(0, "thr_join(%d) = %d", t, error); 3118fa9e4066Sahrens if (za[t].za_th) 3119fa9e4066Sahrens traverse_fini(za[t].za_th); 3120ecc2d604Sbonwick if (t < zopt_datasets) { 3121fa9e4066Sahrens zil_close(za[t].za_zilog); 3122fa9e4066Sahrens dmu_objset_close(za[t].za_os); 3123fa9e4066Sahrens } 3124fa9e4066Sahrens spa_strfree(za[t].za_pool); 3125fa9e4066Sahrens } 3126fa9e4066Sahrens 3127fa9e4066Sahrens umem_free(za, zopt_threads * sizeof (ztest_args_t)); 3128fa9e4066Sahrens 3129fa9e4066Sahrens if (zopt_verbose >= 3) 3130fa9e4066Sahrens show_pool_stats(spa); 3131fa9e4066Sahrens 3132fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 3133fa9e4066Sahrens 3134fa9e4066Sahrens zs->zs_alloc = spa_get_alloc(spa); 3135fa9e4066Sahrens zs->zs_space = spa_get_space(spa); 3136fa9e4066Sahrens 3137fa9e4066Sahrens /* 3138fa9e4066Sahrens * Did we have out-of-space errors? If so, destroy a random objset. 3139fa9e4066Sahrens */ 3140fa9e4066Sahrens if (zs->zs_enospc_count != 0) { 3141fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3142fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_%d", pool, pool, 3143ecc2d604Sbonwick (int)ztest_random(zopt_datasets)); 3144fa9e4066Sahrens if (zopt_verbose >= 3) 3145fa9e4066Sahrens (void) printf("Destroying %s to free up space\n", name); 3146fa9e4066Sahrens dmu_objset_find(name, ztest_destroy_cb, NULL, 3147fa9e4066Sahrens DS_FIND_SNAPSHOTS); 3148fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3149fa9e4066Sahrens } 3150fa9e4066Sahrens 3151ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 3152fa9e4066Sahrens 3153fa9e4066Sahrens /* 3154fa9e4066Sahrens * Right before closing the pool, kick off a bunch of async I/O; 3155fa9e4066Sahrens * spa_close() should wait for it to complete. 3156fa9e4066Sahrens */ 3157fa9e4066Sahrens for (t = 1; t < 50; t++) 3158fa9e4066Sahrens dmu_prefetch(spa->spa_meta_objset, t, 0, 1 << 15); 3159fa9e4066Sahrens 3160fa9e4066Sahrens spa_close(spa, FTAG); 3161fa9e4066Sahrens 3162fa9e4066Sahrens kernel_fini(); 3163fa9e4066Sahrens } 3164fa9e4066Sahrens 3165fa9e4066Sahrens void 3166fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 3167fa9e4066Sahrens { 3168fa9e4066Sahrens hrtime_t s = t / NANOSEC; 3169fa9e4066Sahrens hrtime_t m = s / 60; 3170fa9e4066Sahrens hrtime_t h = m / 60; 3171fa9e4066Sahrens hrtime_t d = h / 24; 3172fa9e4066Sahrens 3173fa9e4066Sahrens s -= m * 60; 3174fa9e4066Sahrens m -= h * 60; 3175fa9e4066Sahrens h -= d * 24; 3176fa9e4066Sahrens 3177fa9e4066Sahrens timebuf[0] = '\0'; 3178fa9e4066Sahrens 3179fa9e4066Sahrens if (d) 3180fa9e4066Sahrens (void) sprintf(timebuf, 3181fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 3182fa9e4066Sahrens else if (h) 3183fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 3184fa9e4066Sahrens else if (m) 3185fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 3186fa9e4066Sahrens else 3187fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 3188fa9e4066Sahrens } 3189fa9e4066Sahrens 3190fa9e4066Sahrens /* 3191fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 3192fa9e4066Sahrens * Then create the specified number of datasets in the pool. 3193fa9e4066Sahrens */ 3194fa9e4066Sahrens static void 3195fa9e4066Sahrens ztest_init(char *pool) 3196fa9e4066Sahrens { 3197fa9e4066Sahrens spa_t *spa; 3198fa9e4066Sahrens int error; 3199fa9e4066Sahrens nvlist_t *nvroot; 3200fa9e4066Sahrens 3201fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3202fa9e4066Sahrens 3203fa9e4066Sahrens /* 3204fa9e4066Sahrens * Create the storage pool. 3205fa9e4066Sahrens */ 3206fa9e4066Sahrens (void) spa_destroy(pool); 3207fa9e4066Sahrens ztest_shared->zs_vdev_primaries = 0; 3208fa9e4066Sahrens nvroot = make_vdev_root(zopt_vdev_size, zopt_raidz, zopt_mirrors, 1); 3209fa9e4066Sahrens error = spa_create(pool, nvroot, NULL); 3210fa9e4066Sahrens nvlist_free(nvroot); 3211fa9e4066Sahrens 3212fa9e4066Sahrens if (error) 3213fa9e4066Sahrens fatal(0, "spa_create() = %d", error); 3214fa9e4066Sahrens error = spa_open(pool, &spa, FTAG); 3215fa9e4066Sahrens if (error) 3216fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 3217fa9e4066Sahrens 3218fa9e4066Sahrens if (zopt_verbose >= 3) 3219fa9e4066Sahrens show_pool_stats(spa); 3220fa9e4066Sahrens 3221fa9e4066Sahrens spa_close(spa, FTAG); 3222fa9e4066Sahrens 3223fa9e4066Sahrens kernel_fini(); 3224fa9e4066Sahrens } 3225fa9e4066Sahrens 3226fa9e4066Sahrens int 3227fa9e4066Sahrens main(int argc, char **argv) 3228fa9e4066Sahrens { 3229fa9e4066Sahrens int kills = 0; 3230fa9e4066Sahrens int iters = 0; 3231fa9e4066Sahrens int i, f; 3232fa9e4066Sahrens ztest_shared_t *zs; 3233fa9e4066Sahrens ztest_info_t *zi; 3234fa9e4066Sahrens char timebuf[100]; 3235fa9e4066Sahrens char numbuf[6]; 3236fa9e4066Sahrens 3237fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 3238fa9e4066Sahrens 3239fa9e4066Sahrens /* Override location of zpool.cache */ 3240fa9e4066Sahrens spa_config_dir = "/tmp"; 3241fa9e4066Sahrens 3242fa9e4066Sahrens ztest_random_fd = open("/dev/urandom", O_RDONLY); 3243fa9e4066Sahrens 3244fa9e4066Sahrens process_options(argc, argv); 3245fa9e4066Sahrens 3246fa9e4066Sahrens argc -= optind; 3247fa9e4066Sahrens argv += optind; 3248fa9e4066Sahrens 3249fa9e4066Sahrens dprintf_setup(&argc, argv); 3250fa9e4066Sahrens 3251ea8dc4b6Seschrock /* 3252ea8dc4b6Seschrock * Blow away any existing copy of zpool.cache 3253ea8dc4b6Seschrock */ 3254ea8dc4b6Seschrock if (zopt_init != 0) 3255ea8dc4b6Seschrock (void) remove("/tmp/zpool.cache"); 3256ea8dc4b6Seschrock 3257fa9e4066Sahrens zs = ztest_shared = (void *)mmap(0, 3258fa9e4066Sahrens P2ROUNDUP(sizeof (ztest_shared_t), getpagesize()), 3259fa9e4066Sahrens PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); 3260fa9e4066Sahrens 3261fa9e4066Sahrens if (zopt_verbose >= 1) { 3262fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 3263fa9e4066Sahrens " %llu seconds...\n", 3264ecc2d604Sbonwick (u_longlong_t)zopt_vdevs, zopt_datasets, zopt_threads, 3265fa9e4066Sahrens (u_longlong_t)zopt_time); 3266fa9e4066Sahrens } 3267fa9e4066Sahrens 3268fa9e4066Sahrens /* 3269fa9e4066Sahrens * Create and initialize our storage pool. 3270fa9e4066Sahrens */ 3271fa9e4066Sahrens for (i = 1; i <= zopt_init; i++) { 3272fa9e4066Sahrens bzero(zs, sizeof (ztest_shared_t)); 3273fa9e4066Sahrens if (zopt_verbose >= 3 && zopt_init != 1) 3274fa9e4066Sahrens (void) printf("ztest_init(), pass %d\n", i); 3275fa9e4066Sahrens ztest_init(zopt_pool); 3276fa9e4066Sahrens } 3277fa9e4066Sahrens 3278fa9e4066Sahrens /* 3279fa9e4066Sahrens * Initialize the call targets for each function. 3280fa9e4066Sahrens */ 3281fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3282fa9e4066Sahrens zi = &zs->zs_info[f]; 3283fa9e4066Sahrens 3284fa9e4066Sahrens *zi = ztest_info[f]; 3285fa9e4066Sahrens 3286fa9e4066Sahrens if (*zi->zi_interval == 0) 3287fa9e4066Sahrens zi->zi_call_target = UINT64_MAX; 3288fa9e4066Sahrens else 3289fa9e4066Sahrens zi->zi_call_target = zopt_time / *zi->zi_interval; 3290fa9e4066Sahrens } 3291fa9e4066Sahrens 3292fa9e4066Sahrens zs->zs_start_time = gethrtime(); 3293fa9e4066Sahrens zs->zs_stop_time = zs->zs_start_time + zopt_time * NANOSEC; 3294fa9e4066Sahrens 3295fa9e4066Sahrens /* 3296fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 3297fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 3298fa9e4066Sahrens * to verify that we never lose on-disk consistency. 3299fa9e4066Sahrens */ 3300fa9e4066Sahrens while (gethrtime() < zs->zs_stop_time) { 3301fa9e4066Sahrens int status; 3302fa9e4066Sahrens pid_t pid; 3303fa9e4066Sahrens char *tmp; 3304fa9e4066Sahrens 3305fa9e4066Sahrens /* 3306fa9e4066Sahrens * Initialize the workload counters for each function. 3307fa9e4066Sahrens */ 3308fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3309fa9e4066Sahrens zi = &zs->zs_info[f]; 3310fa9e4066Sahrens zi->zi_calls = 0; 3311fa9e4066Sahrens zi->zi_call_time = 0; 3312fa9e4066Sahrens } 3313fa9e4066Sahrens 3314fa9e4066Sahrens pid = fork(); 3315fa9e4066Sahrens 3316fa9e4066Sahrens if (pid == -1) 3317fa9e4066Sahrens fatal(1, "fork failed"); 3318fa9e4066Sahrens 3319fa9e4066Sahrens if (pid == 0) { /* child */ 3320fa9e4066Sahrens struct rlimit rl = { 1024, 1024 }; 3321fa9e4066Sahrens (void) setrlimit(RLIMIT_NOFILE, &rl); 3322004388ebScasper (void) enable_extended_FILE_stdio(-1, -1); 3323fa9e4066Sahrens ztest_run(zopt_pool); 3324fa9e4066Sahrens exit(0); 3325fa9e4066Sahrens } 3326fa9e4066Sahrens 3327fa9e4066Sahrens while (waitpid(pid, &status, WEXITED) != pid) 3328fa9e4066Sahrens continue; 3329fa9e4066Sahrens 3330fa9e4066Sahrens if (WIFEXITED(status)) { 3331fa9e4066Sahrens if (WEXITSTATUS(status) != 0) { 3332fa9e4066Sahrens (void) fprintf(stderr, 3333fa9e4066Sahrens "child exited with code %d\n", 3334fa9e4066Sahrens WEXITSTATUS(status)); 3335fa9e4066Sahrens exit(2); 3336fa9e4066Sahrens } 3337fa9e4066Sahrens } else { 3338fa9e4066Sahrens if (WTERMSIG(status) != SIGKILL) { 3339fa9e4066Sahrens (void) fprintf(stderr, 3340fa9e4066Sahrens "child died with signal %d\n", 3341fa9e4066Sahrens WTERMSIG(status)); 3342fa9e4066Sahrens exit(3); 3343fa9e4066Sahrens } 3344fa9e4066Sahrens kills++; 3345fa9e4066Sahrens } 3346fa9e4066Sahrens 3347fa9e4066Sahrens iters++; 3348fa9e4066Sahrens 3349fa9e4066Sahrens if (zopt_verbose >= 1) { 3350fa9e4066Sahrens hrtime_t now = gethrtime(); 3351fa9e4066Sahrens 3352fa9e4066Sahrens now = MIN(now, zs->zs_stop_time); 3353fa9e4066Sahrens print_time(zs->zs_stop_time - now, timebuf); 3354fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 3355fa9e4066Sahrens 3356fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 3357fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 3358fa9e4066Sahrens iters, 3359fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 3360fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 3361fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 3362fa9e4066Sahrens numbuf, 3363fa9e4066Sahrens 100.0 * (now - zs->zs_start_time) / 3364fa9e4066Sahrens (zopt_time * NANOSEC), timebuf); 3365fa9e4066Sahrens } 3366fa9e4066Sahrens 3367fa9e4066Sahrens if (zopt_verbose >= 2) { 3368fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 3369fa9e4066Sahrens (void) printf("%7s %9s %s\n", 3370fa9e4066Sahrens "Calls", "Time", "Function"); 3371fa9e4066Sahrens (void) printf("%7s %9s %s\n", 3372fa9e4066Sahrens "-----", "----", "--------"); 3373fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3374fa9e4066Sahrens Dl_info dli; 3375fa9e4066Sahrens 3376fa9e4066Sahrens zi = &zs->zs_info[f]; 3377fa9e4066Sahrens print_time(zi->zi_call_time, timebuf); 3378fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 3379fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 3380fa9e4066Sahrens (u_longlong_t)zi->zi_calls, timebuf, 3381fa9e4066Sahrens dli.dli_sname); 3382fa9e4066Sahrens } 3383fa9e4066Sahrens (void) printf("\n"); 3384fa9e4066Sahrens } 3385fa9e4066Sahrens 3386fa9e4066Sahrens /* 3387fa9e4066Sahrens * It's possible that we killed a child during a rename test, in 3388fa9e4066Sahrens * which case we'll have a 'ztest_tmp' pool lying around instead 3389fa9e4066Sahrens * of 'ztest'. Do a blind rename in case this happened. 3390fa9e4066Sahrens */ 3391fa9e4066Sahrens tmp = umem_alloc(strlen(zopt_pool) + 5, UMEM_NOFAIL); 3392fa9e4066Sahrens (void) strcpy(tmp, zopt_pool); 3393fa9e4066Sahrens (void) strcat(tmp, "_tmp"); 3394fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3395fa9e4066Sahrens (void) spa_rename(tmp, zopt_pool); 3396fa9e4066Sahrens kernel_fini(); 3397fa9e4066Sahrens umem_free(tmp, strlen(tmp) + 1); 3398fa9e4066Sahrens } 3399fa9e4066Sahrens 3400fa9e4066Sahrens ztest_verify_blocks(zopt_pool); 3401fa9e4066Sahrens 3402fa9e4066Sahrens if (zopt_verbose >= 1) { 3403fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 3404fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 3405fa9e4066Sahrens } 3406fa9e4066Sahrens 3407fa9e4066Sahrens return (0); 3408fa9e4066Sahrens } 3409