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 /* 22*4f5064b7SMark J Musante * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens /* 27fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 28fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 29fa9e4066Sahrens * 30fa9e4066Sahrens * The overall design of the ztest program is as follows: 31fa9e4066Sahrens * 32fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 33fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 34fa9e4066Sahrens * we have a simple routine to test that functionality. These 35fa9e4066Sahrens * individual routines do not have to do anything "stressful". 36fa9e4066Sahrens * 37fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 38fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 39fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 40fa9e4066Sahrens * 41fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 42fa9e4066Sahrens * verify that self-healing data really works. 43fa9e4066Sahrens * 44fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 45fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 46fa9e4066Sahrens * in which checksum they use and whether they're compressed. 47fa9e4066Sahrens * 48fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 49fa9e4066Sahrens * we run the entire test in a child of the main process. 50fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 51fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 52fa9e4066Sahrens * The parent then runs the test again, using the existing 53fa9e4066Sahrens * storage pool, as many times as desired. 54fa9e4066Sahrens * 55fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 56fa9e4066Sahrens * many of the functional tests record the transaction group number 57fa9e4066Sahrens * as part of their data. When reading old data, they verify that 58fa9e4066Sahrens * the transaction group number is less than the current, open txg. 59fa9e4066Sahrens * If you add a new test, please do this if applicable. 60fa9e4066Sahrens * 61fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 62fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 63fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 64fa9e4066Sahrens * 65fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 66fa9e4066Sahrens * 67fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 68fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 69fa9e4066Sahrens * 70fa9e4066Sahrens * The -N(okill) option will suppress kills, so each child runs to completion. 71fa9e4066Sahrens * This can be useful when you're trying to distinguish temporal incursions 72fa9e4066Sahrens * from plain old race conditions. 73fa9e4066Sahrens */ 74fa9e4066Sahrens 75fa9e4066Sahrens #include <sys/zfs_context.h> 76fa9e4066Sahrens #include <sys/spa.h> 77fa9e4066Sahrens #include <sys/dmu.h> 78fa9e4066Sahrens #include <sys/txg.h> 79fa9e4066Sahrens #include <sys/zap.h> 80fa9e4066Sahrens #include <sys/dmu_objset.h> 81fa9e4066Sahrens #include <sys/poll.h> 82fa9e4066Sahrens #include <sys/stat.h> 83fa9e4066Sahrens #include <sys/time.h> 84fa9e4066Sahrens #include <sys/wait.h> 85fa9e4066Sahrens #include <sys/mman.h> 86fa9e4066Sahrens #include <sys/resource.h> 87fa9e4066Sahrens #include <sys/zio.h> 88fa9e4066Sahrens #include <sys/zio_checksum.h> 89fa9e4066Sahrens #include <sys/zio_compress.h> 90fa9e4066Sahrens #include <sys/zil.h> 91fa9e4066Sahrens #include <sys/vdev_impl.h> 92e14bb325SJeff Bonwick #include <sys/vdev_file.h> 93fa9e4066Sahrens #include <sys/spa_impl.h> 94fa9e4066Sahrens #include <sys/dsl_prop.h> 95*4f5064b7SMark J Musante #include <sys/dsl_dataset.h> 96fa9e4066Sahrens #include <sys/refcount.h> 97fa9e4066Sahrens #include <stdio.h> 98004388ebScasper #include <stdio_ext.h> 99fa9e4066Sahrens #include <stdlib.h> 100fa9e4066Sahrens #include <unistd.h> 101fa9e4066Sahrens #include <signal.h> 102fa9e4066Sahrens #include <umem.h> 103fa9e4066Sahrens #include <dlfcn.h> 104fa9e4066Sahrens #include <ctype.h> 105fa9e4066Sahrens #include <math.h> 106fa9e4066Sahrens #include <sys/fs/zfs.h> 107fa9e4066Sahrens 108fa9e4066Sahrens static char cmdname[] = "ztest"; 109fa9e4066Sahrens static char *zopt_pool = cmdname; 110fa9e4066Sahrens 111fa9e4066Sahrens static uint64_t zopt_vdevs = 5; 112fa9e4066Sahrens static uint64_t zopt_vdevtime; 113ecc2d604Sbonwick static int zopt_ashift = SPA_MINBLOCKSHIFT; 114fa9e4066Sahrens static int zopt_mirrors = 2; 115fa9e4066Sahrens static int zopt_raidz = 4; 11699653d4eSeschrock static int zopt_raidz_parity = 1; 117fa9e4066Sahrens static size_t zopt_vdev_size = SPA_MINDEVSIZE; 118ecc2d604Sbonwick static int zopt_datasets = 7; 119fa9e4066Sahrens static int zopt_threads = 23; 120fa9e4066Sahrens static uint64_t zopt_passtime = 60; /* 60 seconds */ 121fa9e4066Sahrens static uint64_t zopt_killrate = 70; /* 70% kill rate */ 122fa9e4066Sahrens static int zopt_verbose = 0; 123fa9e4066Sahrens static int zopt_init = 1; 124fa9e4066Sahrens static char *zopt_dir = "/tmp"; 125fa9e4066Sahrens static uint64_t zopt_time = 300; /* 5 minutes */ 126fa9e4066Sahrens static int zopt_maxfaults; 127fa9e4066Sahrens 128e05725b1Sbonwick typedef struct ztest_block_tag { 129e05725b1Sbonwick uint64_t bt_objset; 130e05725b1Sbonwick uint64_t bt_object; 131e05725b1Sbonwick uint64_t bt_offset; 132e05725b1Sbonwick uint64_t bt_txg; 133e05725b1Sbonwick uint64_t bt_thread; 134e05725b1Sbonwick uint64_t bt_seq; 135e05725b1Sbonwick } ztest_block_tag_t; 136e05725b1Sbonwick 137fa9e4066Sahrens typedef struct ztest_args { 138e05725b1Sbonwick char za_pool[MAXNAMELEN]; 139e05725b1Sbonwick spa_t *za_spa; 140fa9e4066Sahrens objset_t *za_os; 141fa9e4066Sahrens zilog_t *za_zilog; 142fa9e4066Sahrens thread_t za_thread; 143fa9e4066Sahrens uint64_t za_instance; 144fa9e4066Sahrens uint64_t za_random; 145fa9e4066Sahrens uint64_t za_diroff; 146fa9e4066Sahrens uint64_t za_diroff_shared; 147ea8dc4b6Seschrock uint64_t za_zil_seq; 148fa9e4066Sahrens hrtime_t za_start; 149fa9e4066Sahrens hrtime_t za_stop; 150fa9e4066Sahrens hrtime_t za_kill; 151e05725b1Sbonwick /* 152e05725b1Sbonwick * Thread-local variables can go here to aid debugging. 153e05725b1Sbonwick */ 154e05725b1Sbonwick ztest_block_tag_t za_rbt; 155e05725b1Sbonwick ztest_block_tag_t za_wbt; 156e05725b1Sbonwick dmu_object_info_t za_doi; 157e05725b1Sbonwick dmu_buf_t *za_dbuf; 158fa9e4066Sahrens } ztest_args_t; 159fa9e4066Sahrens 160fa9e4066Sahrens typedef void ztest_func_t(ztest_args_t *); 161fa9e4066Sahrens 162fa9e4066Sahrens /* 163fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 164fa9e4066Sahrens */ 165fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 166fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 167fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 168fa9e4066Sahrens ztest_func_t ztest_zap; 169fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 170fa9e4066Sahrens ztest_func_t ztest_traverse; 171fa9e4066Sahrens ztest_func_t ztest_dsl_prop_get_set; 172fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 173fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 174*4f5064b7SMark J Musante ztest_func_t ztest_dsl_dataset_promote_busy; 175fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 176fa9e4066Sahrens ztest_func_t ztest_fault_inject; 177e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 178fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 179fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 180fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 181e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 182fa9e4066Sahrens ztest_func_t ztest_scrub; 183fa9e4066Sahrens 184fa9e4066Sahrens typedef struct ztest_info { 185fa9e4066Sahrens ztest_func_t *zi_func; /* test function */ 186e05725b1Sbonwick uint64_t zi_iters; /* iterations per execution */ 187fa9e4066Sahrens uint64_t *zi_interval; /* execute every <interval> seconds */ 188fa9e4066Sahrens uint64_t zi_calls; /* per-pass count */ 189fa9e4066Sahrens uint64_t zi_call_time; /* per-pass time */ 190fa9e4066Sahrens uint64_t zi_call_total; /* cumulative total */ 191fa9e4066Sahrens uint64_t zi_call_target; /* target cumulative total */ 192fa9e4066Sahrens } ztest_info_t; 193fa9e4066Sahrens 194fa9e4066Sahrens uint64_t zopt_always = 0; /* all the time */ 195fa9e4066Sahrens uint64_t zopt_often = 1; /* every second */ 196fa9e4066Sahrens uint64_t zopt_sometimes = 10; /* every 10 seconds */ 197fa9e4066Sahrens uint64_t zopt_rarely = 60; /* every 60 seconds */ 198fa9e4066Sahrens 199fa9e4066Sahrens ztest_info_t ztest_info[] = { 200e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 201e05725b1Sbonwick { ztest_dmu_write_parallel, 30, &zopt_always }, 202e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 203e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 204e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 205e05725b1Sbonwick { ztest_dsl_prop_get_set, 1, &zopt_sometimes }, 206088f3894Sahrens { ztest_dmu_objset_create_destroy, 1, &zopt_sometimes }, 207e14bb325SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 208*4f5064b7SMark J Musante { ztest_dsl_dataset_promote_busy, 1, &zopt_sometimes }, 209088f3894Sahrens { ztest_spa_create_destroy, 1, &zopt_sometimes }, 210e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 211e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 212e14bb325SJeff Bonwick { ztest_vdev_attach_detach, 1, &zopt_rarely }, 213e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 214e14bb325SJeff Bonwick { ztest_vdev_add_remove, 1, &zopt_vdevtime }, 215e14bb325SJeff Bonwick { ztest_vdev_aux_add_remove, 1, &zopt_vdevtime }, 216e05725b1Sbonwick { ztest_scrub, 1, &zopt_vdevtime }, 217fa9e4066Sahrens }; 218fa9e4066Sahrens 219fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 220fa9e4066Sahrens 221fa9e4066Sahrens #define ZTEST_SYNC_LOCKS 16 222fa9e4066Sahrens 223fa9e4066Sahrens /* 224fa9e4066Sahrens * Stuff we need to share writably between parent and child. 225fa9e4066Sahrens */ 226fa9e4066Sahrens typedef struct ztest_shared { 227fa9e4066Sahrens mutex_t zs_vdev_lock; 228fa9e4066Sahrens rwlock_t zs_name_lock; 229fa9e4066Sahrens uint64_t zs_vdev_primaries; 230e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 231fa9e4066Sahrens uint64_t zs_enospc_count; 232fa9e4066Sahrens hrtime_t zs_start_time; 233fa9e4066Sahrens hrtime_t zs_stop_time; 234fa9e4066Sahrens uint64_t zs_alloc; 235fa9e4066Sahrens uint64_t zs_space; 236fa9e4066Sahrens ztest_info_t zs_info[ZTEST_FUNCS]; 237fa9e4066Sahrens mutex_t zs_sync_lock[ZTEST_SYNC_LOCKS]; 238fa9e4066Sahrens uint64_t zs_seq[ZTEST_SYNC_LOCKS]; 239fa9e4066Sahrens } ztest_shared_t; 240fa9e4066Sahrens 241fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 242e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 243fa9e4066Sahrens static ztest_shared_t *ztest_shared; 244fa9e4066Sahrens 245fa9e4066Sahrens static int ztest_random_fd; 246fa9e4066Sahrens static int ztest_dump_core = 1; 247fa9e4066Sahrens 248e14bb325SJeff Bonwick static boolean_t ztest_exiting; 2490a4e9518Sgw 250e05725b1Sbonwick extern uint64_t metaslab_gang_bang; 251fa9e4066Sahrens 252fa9e4066Sahrens #define ZTEST_DIROBJ 1 253fa9e4066Sahrens #define ZTEST_MICROZAP_OBJ 2 254fa9e4066Sahrens #define ZTEST_FATZAP_OBJ 3 255fa9e4066Sahrens 256fa9e4066Sahrens #define ZTEST_DIROBJ_BLOCKSIZE (1 << 10) 257fa9e4066Sahrens #define ZTEST_DIRSIZE 256 258fa9e4066Sahrens 2591ce825d8Sraf static void usage(boolean_t) __NORETURN; 260f1b4288bSvb 261fa9e4066Sahrens /* 262fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 263fa9e4066Sahrens * debugging facilities. 264fa9e4066Sahrens */ 265fa9e4066Sahrens const char * 266fa9e4066Sahrens _umem_debug_init() 267fa9e4066Sahrens { 268fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 269fa9e4066Sahrens } 270fa9e4066Sahrens 271fa9e4066Sahrens const char * 272fa9e4066Sahrens _umem_logging_init(void) 273fa9e4066Sahrens { 274fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 275fa9e4066Sahrens } 276fa9e4066Sahrens 277fa9e4066Sahrens #define FATAL_MSG_SZ 1024 278fa9e4066Sahrens 279fa9e4066Sahrens char *fatal_msg; 280fa9e4066Sahrens 281fa9e4066Sahrens static void 282fa9e4066Sahrens fatal(int do_perror, char *message, ...) 283fa9e4066Sahrens { 284fa9e4066Sahrens va_list args; 285fa9e4066Sahrens int save_errno = errno; 286fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 287fa9e4066Sahrens 288fa9e4066Sahrens (void) fflush(stdout); 289fa9e4066Sahrens 290fa9e4066Sahrens va_start(args, message); 291fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 292fa9e4066Sahrens /* LINTED */ 293fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 294fa9e4066Sahrens va_end(args); 295fa9e4066Sahrens if (do_perror) { 296fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 297fa9e4066Sahrens ": %s", strerror(save_errno)); 298fa9e4066Sahrens } 299fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 300fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 301fa9e4066Sahrens if (ztest_dump_core) 302fa9e4066Sahrens abort(); 303fa9e4066Sahrens exit(3); 304fa9e4066Sahrens } 305fa9e4066Sahrens 306fa9e4066Sahrens static int 307fa9e4066Sahrens str2shift(const char *buf) 308fa9e4066Sahrens { 309fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 310fa9e4066Sahrens int i; 311fa9e4066Sahrens 312fa9e4066Sahrens if (buf[0] == '\0') 313fa9e4066Sahrens return (0); 314fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 315fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 316fa9e4066Sahrens break; 317fa9e4066Sahrens } 318f1b4288bSvb if (i == strlen(ends)) { 319f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 320f1b4288bSvb buf); 321f1b4288bSvb usage(B_FALSE); 322f1b4288bSvb } 323fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 324fa9e4066Sahrens return (10*i); 325fa9e4066Sahrens } 326f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 327f1b4288bSvb usage(B_FALSE); 328f1b4288bSvb /* NOTREACHED */ 329fa9e4066Sahrens } 330fa9e4066Sahrens 331fa9e4066Sahrens static uint64_t 332fa9e4066Sahrens nicenumtoull(const char *buf) 333fa9e4066Sahrens { 334fa9e4066Sahrens char *end; 335fa9e4066Sahrens uint64_t val; 336fa9e4066Sahrens 337fa9e4066Sahrens val = strtoull(buf, &end, 0); 338fa9e4066Sahrens if (end == buf) { 339f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 340f1b4288bSvb usage(B_FALSE); 341fa9e4066Sahrens } else if (end[0] == '.') { 342fa9e4066Sahrens double fval = strtod(buf, &end); 343fa9e4066Sahrens fval *= pow(2, str2shift(end)); 344f1b4288bSvb if (fval > UINT64_MAX) { 345f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 346f1b4288bSvb buf); 347f1b4288bSvb usage(B_FALSE); 348f1b4288bSvb } 349fa9e4066Sahrens val = (uint64_t)fval; 350fa9e4066Sahrens } else { 351fa9e4066Sahrens int shift = str2shift(end); 352f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 353f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 354f1b4288bSvb buf); 355f1b4288bSvb usage(B_FALSE); 356f1b4288bSvb } 357fa9e4066Sahrens val <<= shift; 358fa9e4066Sahrens } 359fa9e4066Sahrens return (val); 360fa9e4066Sahrens } 361fa9e4066Sahrens 362fa9e4066Sahrens static void 363f1b4288bSvb usage(boolean_t requested) 364fa9e4066Sahrens { 365fa9e4066Sahrens char nice_vdev_size[10]; 366fa9e4066Sahrens char nice_gang_bang[10]; 367f1b4288bSvb FILE *fp = requested ? stdout : stderr; 368fa9e4066Sahrens 369fa9e4066Sahrens nicenum(zopt_vdev_size, nice_vdev_size); 370e05725b1Sbonwick nicenum(metaslab_gang_bang, nice_gang_bang); 371fa9e4066Sahrens 372f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 373fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 374fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 375ecc2d604Sbonwick "\t[-a alignment_shift (default: %d) (use 0 for random)]\n" 376fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 377fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 37899653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 379fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 380fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 381fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 382fa9e4066Sahrens "\t[-i initialize pool i times (default: %d)]\n" 383fa9e4066Sahrens "\t[-k kill percentage (default: %llu%%)]\n" 384fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 385fa9e4066Sahrens "\t[-f file directory for vdev files (default: %s)]\n" 386fa9e4066Sahrens "\t[-V(erbose)] (use multiple times for ever more blather)\n" 387ecc2d604Sbonwick "\t[-E(xisting)] (use existing pool instead of creating new one)\n" 388fa9e4066Sahrens "\t[-T time] total run time (default: %llu sec)\n" 389fa9e4066Sahrens "\t[-P passtime] time per pass (default: %llu sec)\n" 390f1b4288bSvb "\t[-h] (print help)\n" 391fa9e4066Sahrens "", 392fa9e4066Sahrens cmdname, 3930a4e9518Sgw (u_longlong_t)zopt_vdevs, /* -v */ 3940a4e9518Sgw nice_vdev_size, /* -s */ 3950a4e9518Sgw zopt_ashift, /* -a */ 3960a4e9518Sgw zopt_mirrors, /* -m */ 3970a4e9518Sgw zopt_raidz, /* -r */ 3980a4e9518Sgw zopt_raidz_parity, /* -R */ 3990a4e9518Sgw zopt_datasets, /* -d */ 4000a4e9518Sgw zopt_threads, /* -t */ 4010a4e9518Sgw nice_gang_bang, /* -g */ 4020a4e9518Sgw zopt_init, /* -i */ 4030a4e9518Sgw (u_longlong_t)zopt_killrate, /* -k */ 4040a4e9518Sgw zopt_pool, /* -p */ 4050a4e9518Sgw zopt_dir, /* -f */ 4060a4e9518Sgw (u_longlong_t)zopt_time, /* -T */ 407e14bb325SJeff Bonwick (u_longlong_t)zopt_passtime); /* -P */ 408f1b4288bSvb exit(requested ? 0 : 1); 409fa9e4066Sahrens } 410fa9e4066Sahrens 411fa9e4066Sahrens static uint64_t 412fa9e4066Sahrens ztest_random(uint64_t range) 413fa9e4066Sahrens { 414fa9e4066Sahrens uint64_t r; 415fa9e4066Sahrens 416fa9e4066Sahrens if (range == 0) 417fa9e4066Sahrens return (0); 418fa9e4066Sahrens 419fa9e4066Sahrens if (read(ztest_random_fd, &r, sizeof (r)) != sizeof (r)) 420fa9e4066Sahrens fatal(1, "short read from /dev/urandom"); 421fa9e4066Sahrens 422fa9e4066Sahrens return (r % range); 423fa9e4066Sahrens } 424fa9e4066Sahrens 4258ad4d6ddSJeff Bonwick /* ARGSUSED */ 426fa9e4066Sahrens static void 427fa9e4066Sahrens ztest_record_enospc(char *s) 428fa9e4066Sahrens { 429fa9e4066Sahrens ztest_shared->zs_enospc_count++; 430fa9e4066Sahrens } 431fa9e4066Sahrens 432fa9e4066Sahrens static void 433fa9e4066Sahrens process_options(int argc, char **argv) 434fa9e4066Sahrens { 435fa9e4066Sahrens int opt; 436fa9e4066Sahrens uint64_t value; 437fa9e4066Sahrens 438fa9e4066Sahrens /* By default, test gang blocks for blocks 32K and greater */ 439e05725b1Sbonwick metaslab_gang_bang = 32 << 10; 440fa9e4066Sahrens 441fa9e4066Sahrens while ((opt = getopt(argc, argv, 442e14bb325SJeff Bonwick "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:h")) != EOF) { 443fa9e4066Sahrens value = 0; 444fa9e4066Sahrens switch (opt) { 4453d7072f8Seschrock case 'v': 4463d7072f8Seschrock case 's': 4473d7072f8Seschrock case 'a': 4483d7072f8Seschrock case 'm': 4493d7072f8Seschrock case 'r': 4503d7072f8Seschrock case 'R': 4513d7072f8Seschrock case 'd': 4523d7072f8Seschrock case 't': 4533d7072f8Seschrock case 'g': 4543d7072f8Seschrock case 'i': 4553d7072f8Seschrock case 'k': 4563d7072f8Seschrock case 'T': 4573d7072f8Seschrock case 'P': 458fa9e4066Sahrens value = nicenumtoull(optarg); 459fa9e4066Sahrens } 460fa9e4066Sahrens switch (opt) { 4613d7072f8Seschrock case 'v': 462fa9e4066Sahrens zopt_vdevs = value; 463fa9e4066Sahrens break; 4643d7072f8Seschrock case 's': 465fa9e4066Sahrens zopt_vdev_size = MAX(SPA_MINDEVSIZE, value); 466fa9e4066Sahrens break; 4673d7072f8Seschrock case 'a': 468ecc2d604Sbonwick zopt_ashift = value; 469ecc2d604Sbonwick break; 4703d7072f8Seschrock case 'm': 471fa9e4066Sahrens zopt_mirrors = value; 472fa9e4066Sahrens break; 4733d7072f8Seschrock case 'r': 474fa9e4066Sahrens zopt_raidz = MAX(1, value); 475fa9e4066Sahrens break; 4763d7072f8Seschrock case 'R': 47799653d4eSeschrock zopt_raidz_parity = MIN(MAX(value, 1), 2); 47899653d4eSeschrock break; 4793d7072f8Seschrock case 'd': 480ecc2d604Sbonwick zopt_datasets = MAX(1, value); 481fa9e4066Sahrens break; 4823d7072f8Seschrock case 't': 483fa9e4066Sahrens zopt_threads = MAX(1, value); 484fa9e4066Sahrens break; 4853d7072f8Seschrock case 'g': 486e05725b1Sbonwick metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, value); 487fa9e4066Sahrens break; 4883d7072f8Seschrock case 'i': 489fa9e4066Sahrens zopt_init = value; 490fa9e4066Sahrens break; 4913d7072f8Seschrock case 'k': 492fa9e4066Sahrens zopt_killrate = value; 493fa9e4066Sahrens break; 4943d7072f8Seschrock case 'p': 495fa9e4066Sahrens zopt_pool = strdup(optarg); 496fa9e4066Sahrens break; 4973d7072f8Seschrock case 'f': 498fa9e4066Sahrens zopt_dir = strdup(optarg); 499fa9e4066Sahrens break; 5003d7072f8Seschrock case 'V': 501fa9e4066Sahrens zopt_verbose++; 502fa9e4066Sahrens break; 5033d7072f8Seschrock case 'E': 504fa9e4066Sahrens zopt_init = 0; 505fa9e4066Sahrens break; 5063d7072f8Seschrock case 'T': 507fa9e4066Sahrens zopt_time = value; 508fa9e4066Sahrens break; 5093d7072f8Seschrock case 'P': 510fa9e4066Sahrens zopt_passtime = MAX(1, value); 511fa9e4066Sahrens break; 5123d7072f8Seschrock case 'h': 513f1b4288bSvb usage(B_TRUE); 514f1b4288bSvb break; 5153d7072f8Seschrock case '?': 5163d7072f8Seschrock default: 517f1b4288bSvb usage(B_FALSE); 518fa9e4066Sahrens break; 519fa9e4066Sahrens } 520fa9e4066Sahrens } 521fa9e4066Sahrens 52299653d4eSeschrock zopt_raidz_parity = MIN(zopt_raidz_parity, zopt_raidz - 1); 52399653d4eSeschrock 524fa9e4066Sahrens zopt_vdevtime = (zopt_vdevs > 0 ? zopt_time / zopt_vdevs : UINT64_MAX); 52599653d4eSeschrock zopt_maxfaults = MAX(zopt_mirrors, 1) * (zopt_raidz_parity + 1) - 1; 526fa9e4066Sahrens } 527fa9e4066Sahrens 528ecc2d604Sbonwick static uint64_t 529ecc2d604Sbonwick ztest_get_ashift(void) 530ecc2d604Sbonwick { 531ecc2d604Sbonwick if (zopt_ashift == 0) 532ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 533ecc2d604Sbonwick return (zopt_ashift); 534ecc2d604Sbonwick } 535ecc2d604Sbonwick 536fa9e4066Sahrens static nvlist_t * 537e14bb325SJeff Bonwick make_vdev_file(char *path, char *aux, size_t size, uint64_t ashift) 538fa9e4066Sahrens { 539e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 540fa9e4066Sahrens uint64_t vdev; 541fa9e4066Sahrens nvlist_t *file; 542fa9e4066Sahrens 543e14bb325SJeff Bonwick if (ashift == 0) 544e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 545e14bb325SJeff Bonwick 546e14bb325SJeff Bonwick if (path == NULL) { 547e14bb325SJeff Bonwick path = pathbuf; 548fa9e4066Sahrens 549e14bb325SJeff Bonwick if (aux != NULL) { 550e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 551e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, 552e14bb325SJeff Bonwick zopt_dir, zopt_pool, aux, vdev); 553e14bb325SJeff Bonwick } else { 554e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_primaries++; 555e14bb325SJeff Bonwick (void) sprintf(path, ztest_dev_template, 556e14bb325SJeff Bonwick zopt_dir, zopt_pool, vdev); 557e14bb325SJeff Bonwick } 558e14bb325SJeff Bonwick } 559e14bb325SJeff Bonwick 560e14bb325SJeff Bonwick if (size != 0) { 561e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 562fa9e4066Sahrens if (fd == -1) 563e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 564fa9e4066Sahrens if (ftruncate(fd, size) != 0) 565e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 566fa9e4066Sahrens (void) close(fd); 567fa9e4066Sahrens } 568fa9e4066Sahrens 569fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 570fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 571e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 572ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 573fa9e4066Sahrens 574fa9e4066Sahrens return (file); 575fa9e4066Sahrens } 576fa9e4066Sahrens 577fa9e4066Sahrens static nvlist_t * 578e14bb325SJeff Bonwick make_vdev_raidz(char *path, char *aux, size_t size, uint64_t ashift, int r) 579fa9e4066Sahrens { 580fa9e4066Sahrens nvlist_t *raidz, **child; 581fa9e4066Sahrens int c; 582fa9e4066Sahrens 583fa9e4066Sahrens if (r < 2) 584e14bb325SJeff Bonwick return (make_vdev_file(path, aux, size, ashift)); 585fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 586fa9e4066Sahrens 587fa9e4066Sahrens for (c = 0; c < r; c++) 588e14bb325SJeff Bonwick child[c] = make_vdev_file(path, aux, size, ashift); 589fa9e4066Sahrens 590fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 591fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 592fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 59399653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 59499653d4eSeschrock zopt_raidz_parity) == 0); 595fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 596fa9e4066Sahrens child, r) == 0); 597fa9e4066Sahrens 598fa9e4066Sahrens for (c = 0; c < r; c++) 599fa9e4066Sahrens nvlist_free(child[c]); 600fa9e4066Sahrens 601fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 602fa9e4066Sahrens 603fa9e4066Sahrens return (raidz); 604fa9e4066Sahrens } 605fa9e4066Sahrens 606fa9e4066Sahrens static nvlist_t * 607e14bb325SJeff Bonwick make_vdev_mirror(char *path, char *aux, size_t size, uint64_t ashift, 60831157203SJeff Bonwick int r, int m) 609fa9e4066Sahrens { 610fa9e4066Sahrens nvlist_t *mirror, **child; 611fa9e4066Sahrens int c; 612fa9e4066Sahrens 613fa9e4066Sahrens if (m < 1) 614e14bb325SJeff Bonwick return (make_vdev_raidz(path, aux, size, ashift, r)); 615fa9e4066Sahrens 616fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 617fa9e4066Sahrens 618fa9e4066Sahrens for (c = 0; c < m; c++) 619e14bb325SJeff Bonwick child[c] = make_vdev_raidz(path, aux, size, ashift, r); 620fa9e4066Sahrens 621fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 622fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 623fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 624fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 625fa9e4066Sahrens child, m) == 0); 626fa9e4066Sahrens 627fa9e4066Sahrens for (c = 0; c < m; c++) 628fa9e4066Sahrens nvlist_free(child[c]); 629fa9e4066Sahrens 630fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 631fa9e4066Sahrens 632fa9e4066Sahrens return (mirror); 633fa9e4066Sahrens } 634fa9e4066Sahrens 635fa9e4066Sahrens static nvlist_t * 636e14bb325SJeff Bonwick make_vdev_root(char *path, char *aux, size_t size, uint64_t ashift, 637e14bb325SJeff Bonwick int log, int r, int m, int t) 638fa9e4066Sahrens { 639fa9e4066Sahrens nvlist_t *root, **child; 640fa9e4066Sahrens int c; 641fa9e4066Sahrens 642fa9e4066Sahrens ASSERT(t > 0); 643fa9e4066Sahrens 644fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 645fa9e4066Sahrens 64631157203SJeff Bonwick for (c = 0; c < t; c++) { 64731157203SJeff Bonwick child[c] = make_vdev_mirror(path, aux, size, ashift, r, m); 64831157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 64931157203SJeff Bonwick log) == 0); 65031157203SJeff Bonwick } 651fa9e4066Sahrens 652fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 653fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 654e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 655fa9e4066Sahrens child, t) == 0); 656fa9e4066Sahrens 657fa9e4066Sahrens for (c = 0; c < t; c++) 658fa9e4066Sahrens nvlist_free(child[c]); 659fa9e4066Sahrens 660fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 661fa9e4066Sahrens 662fa9e4066Sahrens return (root); 663fa9e4066Sahrens } 664fa9e4066Sahrens 665fa9e4066Sahrens static void 666fa9e4066Sahrens ztest_set_random_blocksize(objset_t *os, uint64_t object, dmu_tx_t *tx) 667fa9e4066Sahrens { 668fa9e4066Sahrens int bs = SPA_MINBLOCKSHIFT + 669fa9e4066Sahrens ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1); 670fa9e4066Sahrens int ibs = DN_MIN_INDBLKSHIFT + 671fa9e4066Sahrens ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1); 672fa9e4066Sahrens int error; 673fa9e4066Sahrens 674fa9e4066Sahrens error = dmu_object_set_blocksize(os, object, 1ULL << bs, ibs, tx); 675fa9e4066Sahrens if (error) { 676fa9e4066Sahrens char osname[300]; 677fa9e4066Sahrens dmu_objset_name(os, osname); 678fa9e4066Sahrens fatal(0, "dmu_object_set_blocksize('%s', %llu, %d, %d) = %d", 679fa9e4066Sahrens osname, object, 1 << bs, ibs, error); 680fa9e4066Sahrens } 681fa9e4066Sahrens } 682fa9e4066Sahrens 683fa9e4066Sahrens static uint8_t 684fa9e4066Sahrens ztest_random_checksum(void) 685fa9e4066Sahrens { 686fa9e4066Sahrens uint8_t checksum; 687fa9e4066Sahrens 688fa9e4066Sahrens do { 689fa9e4066Sahrens checksum = ztest_random(ZIO_CHECKSUM_FUNCTIONS); 690fa9e4066Sahrens } while (zio_checksum_table[checksum].ci_zbt); 691fa9e4066Sahrens 692fa9e4066Sahrens if (checksum == ZIO_CHECKSUM_OFF) 693fa9e4066Sahrens checksum = ZIO_CHECKSUM_ON; 694fa9e4066Sahrens 695fa9e4066Sahrens return (checksum); 696fa9e4066Sahrens } 697fa9e4066Sahrens 698fa9e4066Sahrens static uint8_t 699fa9e4066Sahrens ztest_random_compress(void) 700fa9e4066Sahrens { 701fa9e4066Sahrens return ((uint8_t)ztest_random(ZIO_COMPRESS_FUNCTIONS)); 702fa9e4066Sahrens } 703fa9e4066Sahrens 704fa9e4066Sahrens static int 7051209a471SNeil Perrin ztest_replay_create(objset_t *os, lr_create_t *lr, boolean_t byteswap) 706fa9e4066Sahrens { 707fa9e4066Sahrens dmu_tx_t *tx; 708fa9e4066Sahrens int error; 709fa9e4066Sahrens 710fa9e4066Sahrens if (byteswap) 711fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 712fa9e4066Sahrens 713fa9e4066Sahrens tx = dmu_tx_create(os); 714fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 7151209a471SNeil Perrin error = dmu_tx_assign(tx, TXG_WAIT); 716fa9e4066Sahrens if (error) { 717fa9e4066Sahrens dmu_tx_abort(tx); 718fa9e4066Sahrens return (error); 719fa9e4066Sahrens } 720fa9e4066Sahrens 721fa9e4066Sahrens error = dmu_object_claim(os, lr->lr_doid, lr->lr_mode, 0, 722fa9e4066Sahrens DMU_OT_NONE, 0, tx); 72399653d4eSeschrock ASSERT3U(error, ==, 0); 724fa9e4066Sahrens dmu_tx_commit(tx); 725fa9e4066Sahrens 726fa9e4066Sahrens if (zopt_verbose >= 5) { 727fa9e4066Sahrens char osname[MAXNAMELEN]; 728fa9e4066Sahrens dmu_objset_name(os, osname); 729fa9e4066Sahrens (void) printf("replay create of %s object %llu" 730fa9e4066Sahrens " in txg %llu = %d\n", 731fa9e4066Sahrens osname, (u_longlong_t)lr->lr_doid, 7321209a471SNeil Perrin (u_longlong_t)dmu_tx_get_txg(tx), error); 733fa9e4066Sahrens } 734fa9e4066Sahrens 735fa9e4066Sahrens return (error); 736fa9e4066Sahrens } 737fa9e4066Sahrens 738fa9e4066Sahrens static int 7391209a471SNeil Perrin ztest_replay_remove(objset_t *os, lr_remove_t *lr, boolean_t byteswap) 740fa9e4066Sahrens { 741fa9e4066Sahrens dmu_tx_t *tx; 742fa9e4066Sahrens int error; 743fa9e4066Sahrens 744fa9e4066Sahrens if (byteswap) 745fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 746fa9e4066Sahrens 747fa9e4066Sahrens tx = dmu_tx_create(os); 748fa9e4066Sahrens dmu_tx_hold_free(tx, lr->lr_doid, 0, DMU_OBJECT_END); 7491209a471SNeil Perrin error = dmu_tx_assign(tx, TXG_WAIT); 750fa9e4066Sahrens if (error) { 751fa9e4066Sahrens dmu_tx_abort(tx); 752fa9e4066Sahrens return (error); 753fa9e4066Sahrens } 754fa9e4066Sahrens 755fa9e4066Sahrens error = dmu_object_free(os, lr->lr_doid, tx); 756fa9e4066Sahrens dmu_tx_commit(tx); 757fa9e4066Sahrens 758fa9e4066Sahrens return (error); 759fa9e4066Sahrens } 760fa9e4066Sahrens 761fa9e4066Sahrens zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 762fa9e4066Sahrens NULL, /* 0 no such transaction type */ 763fa9e4066Sahrens ztest_replay_create, /* TX_CREATE */ 764fa9e4066Sahrens NULL, /* TX_MKDIR */ 765fa9e4066Sahrens NULL, /* TX_MKXATTR */ 766fa9e4066Sahrens NULL, /* TX_SYMLINK */ 767fa9e4066Sahrens ztest_replay_remove, /* TX_REMOVE */ 768fa9e4066Sahrens NULL, /* TX_RMDIR */ 769fa9e4066Sahrens NULL, /* TX_LINK */ 770fa9e4066Sahrens NULL, /* TX_RENAME */ 771fa9e4066Sahrens NULL, /* TX_WRITE */ 772fa9e4066Sahrens NULL, /* TX_TRUNCATE */ 773fa9e4066Sahrens NULL, /* TX_SETATTR */ 774fa9e4066Sahrens NULL, /* TX_ACL */ 775fa9e4066Sahrens }; 776fa9e4066Sahrens 777fa9e4066Sahrens /* 778fa9e4066Sahrens * Verify that we can't destroy an active pool, create an existing pool, 779fa9e4066Sahrens * or create a pool with a bad vdev spec. 780fa9e4066Sahrens */ 781fa9e4066Sahrens void 782fa9e4066Sahrens ztest_spa_create_destroy(ztest_args_t *za) 783fa9e4066Sahrens { 784fa9e4066Sahrens int error; 785fa9e4066Sahrens spa_t *spa; 786fa9e4066Sahrens nvlist_t *nvroot; 787fa9e4066Sahrens 788fa9e4066Sahrens /* 789fa9e4066Sahrens * Attempt to create using a bad file. 790fa9e4066Sahrens */ 791e14bb325SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 7920a48a24eStimh error = spa_create("ztest_bad_file", nvroot, NULL, NULL, NULL); 793fa9e4066Sahrens nvlist_free(nvroot); 794fa9e4066Sahrens if (error != ENOENT) 795fa9e4066Sahrens fatal(0, "spa_create(bad_file) = %d", error); 796fa9e4066Sahrens 797fa9e4066Sahrens /* 798fa9e4066Sahrens * Attempt to create using a bad mirror. 799fa9e4066Sahrens */ 800e14bb325SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 2, 1); 8010a48a24eStimh error = spa_create("ztest_bad_mirror", nvroot, NULL, NULL, NULL); 802fa9e4066Sahrens nvlist_free(nvroot); 803fa9e4066Sahrens if (error != ENOENT) 804fa9e4066Sahrens fatal(0, "spa_create(bad_mirror) = %d", error); 805fa9e4066Sahrens 806fa9e4066Sahrens /* 807fa9e4066Sahrens * Attempt to create an existing pool. It shouldn't matter 808fa9e4066Sahrens * what's in the nvroot; we should fail with EEXIST. 809fa9e4066Sahrens */ 810fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 811e14bb325SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 8120a48a24eStimh error = spa_create(za->za_pool, nvroot, NULL, NULL, NULL); 813fa9e4066Sahrens nvlist_free(nvroot); 814fa9e4066Sahrens if (error != EEXIST) 815fa9e4066Sahrens fatal(0, "spa_create(whatever) = %d", error); 816fa9e4066Sahrens 817fa9e4066Sahrens error = spa_open(za->za_pool, &spa, FTAG); 818fa9e4066Sahrens if (error) 819fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 820fa9e4066Sahrens 821fa9e4066Sahrens error = spa_destroy(za->za_pool); 822fa9e4066Sahrens if (error != EBUSY) 823fa9e4066Sahrens fatal(0, "spa_destroy() = %d", error); 824fa9e4066Sahrens 825fa9e4066Sahrens spa_close(spa, FTAG); 826fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 827fa9e4066Sahrens } 828fa9e4066Sahrens 82931157203SJeff Bonwick static vdev_t * 83031157203SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 83131157203SJeff Bonwick { 83231157203SJeff Bonwick vdev_t *mvd; 83331157203SJeff Bonwick 83431157203SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 83531157203SJeff Bonwick return (vd); 83631157203SJeff Bonwick 83731157203SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 83831157203SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 83931157203SJeff Bonwick NULL) 84031157203SJeff Bonwick return (mvd); 84131157203SJeff Bonwick 84231157203SJeff Bonwick return (NULL); 84331157203SJeff Bonwick } 84431157203SJeff Bonwick 845fa9e4066Sahrens /* 846fa9e4066Sahrens * Verify that vdev_add() works as expected. 847fa9e4066Sahrens */ 848fa9e4066Sahrens void 849fa9e4066Sahrens ztest_vdev_add_remove(ztest_args_t *za) 850fa9e4066Sahrens { 851e05725b1Sbonwick spa_t *spa = za->za_spa; 852fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 853fa9e4066Sahrens nvlist_t *nvroot; 854fa9e4066Sahrens int error; 855fa9e4066Sahrens 856fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 857fa9e4066Sahrens 858e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 859fa9e4066Sahrens 860fa9e4066Sahrens ztest_shared->zs_vdev_primaries = 861fa9e4066Sahrens spa->spa_root_vdev->vdev_children * leaves; 862fa9e4066Sahrens 863e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 864fa9e4066Sahrens 8658654d025Sperrin /* 8668654d025Sperrin * Make 1/4 of the devices be log devices. 8678654d025Sperrin */ 868e14bb325SJeff Bonwick nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 8698654d025Sperrin ztest_random(4) == 0, zopt_raidz, zopt_mirrors, 1); 8708654d025Sperrin 871fa9e4066Sahrens error = spa_vdev_add(spa, nvroot); 872fa9e4066Sahrens nvlist_free(nvroot); 873fa9e4066Sahrens 874fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 875fa9e4066Sahrens 876fa9e4066Sahrens if (error == ENOSPC) 877fa9e4066Sahrens ztest_record_enospc("spa_vdev_add"); 878fa9e4066Sahrens else if (error != 0) 879fa9e4066Sahrens fatal(0, "spa_vdev_add() = %d", error); 880e14bb325SJeff Bonwick } 881fa9e4066Sahrens 882e14bb325SJeff Bonwick /* 883e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 884e14bb325SJeff Bonwick */ 885e14bb325SJeff Bonwick void 886e14bb325SJeff Bonwick ztest_vdev_aux_add_remove(ztest_args_t *za) 887e14bb325SJeff Bonwick { 888e14bb325SJeff Bonwick spa_t *spa = za->za_spa; 88931157203SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 890e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 891e14bb325SJeff Bonwick char *aux; 892e14bb325SJeff Bonwick uint64_t guid = 0; 893e14bb325SJeff Bonwick int error; 894e14bb325SJeff Bonwick 89531157203SJeff Bonwick if (ztest_random(2) == 0) { 896e14bb325SJeff Bonwick sav = &spa->spa_spares; 897e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 898e14bb325SJeff Bonwick } else { 899e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 900e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 901e14bb325SJeff Bonwick } 902e14bb325SJeff Bonwick 903e14bb325SJeff Bonwick (void) mutex_lock(&ztest_shared->zs_vdev_lock); 904e14bb325SJeff Bonwick 905e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 906e14bb325SJeff Bonwick 907e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 908e14bb325SJeff Bonwick /* 909e14bb325SJeff Bonwick * Pick a random device to remove. 910e14bb325SJeff Bonwick */ 911e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 912e14bb325SJeff Bonwick } else { 913e14bb325SJeff Bonwick /* 914e14bb325SJeff Bonwick * Find an unused device we can add. 915e14bb325SJeff Bonwick */ 916e14bb325SJeff Bonwick ztest_shared->zs_vdev_aux = 0; 917e14bb325SJeff Bonwick for (;;) { 918e14bb325SJeff Bonwick char path[MAXPATHLEN]; 919e14bb325SJeff Bonwick int c; 920e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, zopt_dir, 921e14bb325SJeff Bonwick zopt_pool, aux, ztest_shared->zs_vdev_aux); 922e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 923e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 924e14bb325SJeff Bonwick path) == 0) 925e14bb325SJeff Bonwick break; 92631157203SJeff Bonwick if (c == sav->sav_count && 92731157203SJeff Bonwick vdev_lookup_by_path(rvd, path) == NULL) 928e14bb325SJeff Bonwick break; 929e14bb325SJeff Bonwick ztest_shared->zs_vdev_aux++; 930e14bb325SJeff Bonwick } 931e14bb325SJeff Bonwick } 932e14bb325SJeff Bonwick 933e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 934e14bb325SJeff Bonwick 935e14bb325SJeff Bonwick if (guid == 0) { 936e14bb325SJeff Bonwick /* 937e14bb325SJeff Bonwick * Add a new device. 938e14bb325SJeff Bonwick */ 93931157203SJeff Bonwick nvlist_t *nvroot = make_vdev_root(NULL, aux, 94031157203SJeff Bonwick (zopt_vdev_size * 5) / 4, 0, 0, 0, 0, 1); 941e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 942e14bb325SJeff Bonwick if (error != 0) 943e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 944e14bb325SJeff Bonwick nvlist_free(nvroot); 945e14bb325SJeff Bonwick } else { 946e14bb325SJeff Bonwick /* 947e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 948e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 949e14bb325SJeff Bonwick * of devices that have pending state changes. 950e14bb325SJeff Bonwick */ 951e14bb325SJeff Bonwick if (ztest_random(2) == 0) 952e14bb325SJeff Bonwick (void) vdev_online(spa, guid, B_FALSE, NULL); 953e14bb325SJeff Bonwick 954e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 955e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 956e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 957e14bb325SJeff Bonwick } 958e14bb325SJeff Bonwick 959e14bb325SJeff Bonwick (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 960fa9e4066Sahrens } 961fa9e4066Sahrens 962fa9e4066Sahrens /* 963fa9e4066Sahrens * Verify that we can attach and detach devices. 964fa9e4066Sahrens */ 965fa9e4066Sahrens void 966fa9e4066Sahrens ztest_vdev_attach_detach(ztest_args_t *za) 967fa9e4066Sahrens { 968e05725b1Sbonwick spa_t *spa = za->za_spa; 96931157203SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_spares; 970fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 971ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 972e14bb325SJeff Bonwick nvlist_t *root; 973fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 974fa9e4066Sahrens uint64_t leaf, top; 975ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 9768ad4d6ddSJeff Bonwick uint64_t oldguid, pguid; 977ea8dc4b6Seschrock size_t oldsize, newsize; 978ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 979fa9e4066Sahrens int replacing; 9809af0a4dfSJeff Bonwick int oldvd_has_siblings = B_FALSE; 98131157203SJeff Bonwick int newvd_is_spare = B_FALSE; 98231157203SJeff Bonwick int oldvd_is_log; 983fa9e4066Sahrens int error, expected_error; 984fa9e4066Sahrens 985fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 986fa9e4066Sahrens 987e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 988fa9e4066Sahrens 989fa9e4066Sahrens /* 990fa9e4066Sahrens * Decide whether to do an attach or a replace. 991fa9e4066Sahrens */ 992fa9e4066Sahrens replacing = ztest_random(2); 993fa9e4066Sahrens 994fa9e4066Sahrens /* 995fa9e4066Sahrens * Pick a random top-level vdev. 996fa9e4066Sahrens */ 997fa9e4066Sahrens top = ztest_random(rvd->vdev_children); 998fa9e4066Sahrens 999fa9e4066Sahrens /* 1000fa9e4066Sahrens * Pick a random leaf within it. 1001fa9e4066Sahrens */ 1002fa9e4066Sahrens leaf = ztest_random(leaves); 1003fa9e4066Sahrens 1004fa9e4066Sahrens /* 100531157203SJeff Bonwick * Locate this vdev. 1006fa9e4066Sahrens */ 100731157203SJeff Bonwick oldvd = rvd->vdev_child[top]; 10088ad4d6ddSJeff Bonwick if (zopt_mirrors >= 1) { 10098ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_mirror_ops); 10108ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= zopt_mirrors); 101131157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf / zopt_raidz]; 10128ad4d6ddSJeff Bonwick } 10138ad4d6ddSJeff Bonwick if (zopt_raidz > 1) { 10148ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_raidz_ops); 10158ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children == zopt_raidz); 101631157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf % zopt_raidz]; 10178ad4d6ddSJeff Bonwick } 1018fa9e4066Sahrens 1019fa9e4066Sahrens /* 102031157203SJeff Bonwick * If we're already doing an attach or replace, oldvd may be a 102131157203SJeff Bonwick * mirror vdev -- in which case, pick a random child. 1022fa9e4066Sahrens */ 102331157203SJeff Bonwick while (oldvd->vdev_children != 0) { 10249af0a4dfSJeff Bonwick oldvd_has_siblings = B_TRUE; 10258ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= 2); 10268ad4d6ddSJeff Bonwick oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)]; 102731157203SJeff Bonwick } 1028fa9e4066Sahrens 102931157203SJeff Bonwick oldguid = oldvd->vdev_guid; 103031157203SJeff Bonwick oldsize = vdev_get_rsize(oldvd); 103131157203SJeff Bonwick oldvd_is_log = oldvd->vdev_top->vdev_islog; 103231157203SJeff Bonwick (void) strcpy(oldpath, oldvd->vdev_path); 1033ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 10348ad4d6ddSJeff Bonwick pguid = pvd->vdev_guid; 1035fa9e4066Sahrens 10369af0a4dfSJeff Bonwick /* 10379af0a4dfSJeff Bonwick * If oldvd has siblings, then half of the time, detach it. 10389af0a4dfSJeff Bonwick */ 10399af0a4dfSJeff Bonwick if (oldvd_has_siblings && ztest_random(2) == 0) { 10409af0a4dfSJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 10418ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, oldguid, pguid, B_FALSE); 10428ad4d6ddSJeff Bonwick if (error != 0 && error != ENODEV && error != EBUSY && 10438ad4d6ddSJeff Bonwick error != ENOTSUP) 10448ad4d6ddSJeff Bonwick fatal(0, "detach (%s) returned %d", oldpath, error); 10459af0a4dfSJeff Bonwick (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 10469af0a4dfSJeff Bonwick return; 10479af0a4dfSJeff Bonwick } 10489af0a4dfSJeff Bonwick 1049fa9e4066Sahrens /* 105031157203SJeff Bonwick * For the new vdev, choose with equal probability between the two 105131157203SJeff Bonwick * standard paths (ending in either 'a' or 'b') or a random hot spare. 1052fa9e4066Sahrens */ 105331157203SJeff Bonwick if (sav->sav_count != 0 && ztest_random(3) == 0) { 105431157203SJeff Bonwick newvd = sav->sav_vdevs[ztest_random(sav->sav_count)]; 105531157203SJeff Bonwick newvd_is_spare = B_TRUE; 105631157203SJeff Bonwick (void) strcpy(newpath, newvd->vdev_path); 105731157203SJeff Bonwick } else { 105831157203SJeff Bonwick (void) snprintf(newpath, sizeof (newpath), ztest_dev_template, 105931157203SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 106031157203SJeff Bonwick if (ztest_random(2) == 0) 106131157203SJeff Bonwick newpath[strlen(newpath) - 1] = 'b'; 106231157203SJeff Bonwick newvd = vdev_lookup_by_path(rvd, newpath); 106331157203SJeff Bonwick } 106431157203SJeff Bonwick 106531157203SJeff Bonwick if (newvd) { 106631157203SJeff Bonwick newsize = vdev_get_rsize(newvd); 106731157203SJeff Bonwick } else { 106831157203SJeff Bonwick /* 106931157203SJeff Bonwick * Make newsize a little bigger or smaller than oldsize. 107031157203SJeff Bonwick * If it's smaller, the attach should fail. 107131157203SJeff Bonwick * If it's larger, and we're doing a replace, 107231157203SJeff Bonwick * we should get dynamic LUN growth when we're done. 107331157203SJeff Bonwick */ 107431157203SJeff Bonwick newsize = 10 * oldsize / (9 + ztest_random(3)); 107531157203SJeff Bonwick } 1076fa9e4066Sahrens 1077fa9e4066Sahrens /* 1078fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 1079fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 1080fa9e4066Sahrens * 1081ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 1082fa9e4066Sahrens * 1083ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 1084fa9e4066Sahrens */ 108531157203SJeff Bonwick if (pvd->vdev_ops != &vdev_mirror_ops && 108631157203SJeff Bonwick pvd->vdev_ops != &vdev_root_ops && (!replacing || 108731157203SJeff Bonwick pvd->vdev_ops == &vdev_replacing_ops || 108831157203SJeff Bonwick pvd->vdev_ops == &vdev_spare_ops)) 108931157203SJeff Bonwick expected_error = ENOTSUP; 109031157203SJeff Bonwick else if (newvd_is_spare && (!replacing || oldvd_is_log)) 1091fa9e4066Sahrens expected_error = ENOTSUP; 109231157203SJeff Bonwick else if (newvd == oldvd) 109331157203SJeff Bonwick expected_error = replacing ? 0 : EBUSY; 109431157203SJeff Bonwick else if (vdev_lookup_by_path(rvd, newpath) != NULL) 109531157203SJeff Bonwick expected_error = EBUSY; 1096ea8dc4b6Seschrock else if (newsize < oldsize) 1097fa9e4066Sahrens expected_error = EOVERFLOW; 1098ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 1099ecc2d604Sbonwick expected_error = EDOM; 1100fa9e4066Sahrens else 1101fa9e4066Sahrens expected_error = 0; 1102fa9e4066Sahrens 1103e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 1104fa9e4066Sahrens 1105fa9e4066Sahrens /* 1106ea8dc4b6Seschrock * Build the nvlist describing newpath. 1107fa9e4066Sahrens */ 1108e14bb325SJeff Bonwick root = make_vdev_root(newpath, NULL, newvd == NULL ? newsize : 0, 1109e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 1110fa9e4066Sahrens 111131157203SJeff Bonwick error = spa_vdev_attach(spa, oldguid, root, replacing); 1112fa9e4066Sahrens 1113fa9e4066Sahrens nvlist_free(root); 1114fa9e4066Sahrens 1115fa9e4066Sahrens /* 1116fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 1117fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 1118fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 1119fa9e4066Sahrens */ 1120fa9e4066Sahrens if (expected_error == ENOTSUP && 1121fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 1122fa9e4066Sahrens expected_error = error; 1123fa9e4066Sahrens 1124f0aa80d4Sbonwick /* 1125f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 1126f0aa80d4Sbonwick */ 1127088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 1128f0aa80d4Sbonwick expected_error = error; 1129f0aa80d4Sbonwick 1130088f3894Sahrens /* XXX workaround 6690467 */ 1131088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 1132088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 1133088f3894Sahrens "returned %d, expected %d", 1134088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 1135088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 1136fa9e4066Sahrens } 1137fa9e4066Sahrens 1138fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1139fa9e4066Sahrens } 1140fa9e4066Sahrens 1141fa9e4066Sahrens /* 1142fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 1143fa9e4066Sahrens */ 1144fa9e4066Sahrens void 1145fa9e4066Sahrens ztest_vdev_LUN_growth(ztest_args_t *za) 1146fa9e4066Sahrens { 1147e05725b1Sbonwick spa_t *spa = za->za_spa; 1148fa9e4066Sahrens char dev_name[MAXPATHLEN]; 1149fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 1150fa9e4066Sahrens uint64_t vdev; 1151fa9e4066Sahrens size_t fsize; 1152fa9e4066Sahrens int fd; 1153fa9e4066Sahrens 1154fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 1155fa9e4066Sahrens 1156fa9e4066Sahrens /* 1157fa9e4066Sahrens * Pick a random leaf vdev. 1158fa9e4066Sahrens */ 1159e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 1160fa9e4066Sahrens vdev = ztest_random(spa->spa_root_vdev->vdev_children * leaves); 1161e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 1162fa9e4066Sahrens 1163fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 1164fa9e4066Sahrens 1165fa9e4066Sahrens if ((fd = open(dev_name, O_RDWR)) != -1) { 1166fa9e4066Sahrens /* 1167fa9e4066Sahrens * Determine the size. 1168fa9e4066Sahrens */ 1169fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 1170fa9e4066Sahrens 1171fa9e4066Sahrens /* 1172fa9e4066Sahrens * If it's less than 2x the original size, grow by around 3%. 1173fa9e4066Sahrens */ 1174fa9e4066Sahrens if (fsize < 2 * zopt_vdev_size) { 1175fa9e4066Sahrens size_t newsize = fsize + ztest_random(fsize / 32); 1176fa9e4066Sahrens (void) ftruncate(fd, newsize); 1177fa9e4066Sahrens if (zopt_verbose >= 6) { 1178fa9e4066Sahrens (void) printf("%s grew from %lu to %lu bytes\n", 1179fa9e4066Sahrens dev_name, (ulong_t)fsize, (ulong_t)newsize); 1180fa9e4066Sahrens } 1181fa9e4066Sahrens } 1182fa9e4066Sahrens (void) close(fd); 1183fa9e4066Sahrens } 1184fa9e4066Sahrens 1185fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1186fa9e4066Sahrens } 1187fa9e4066Sahrens 1188fa9e4066Sahrens /* ARGSUSED */ 1189fa9e4066Sahrens static void 1190ecd6cf80Smarks ztest_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 1191fa9e4066Sahrens { 1192fa9e4066Sahrens /* 1193fa9e4066Sahrens * Create the directory object. 1194fa9e4066Sahrens */ 1195fa9e4066Sahrens VERIFY(dmu_object_claim(os, ZTEST_DIROBJ, 1196fa9e4066Sahrens DMU_OT_UINT64_OTHER, ZTEST_DIROBJ_BLOCKSIZE, 1197e05725b1Sbonwick DMU_OT_UINT64_OTHER, 5 * sizeof (ztest_block_tag_t), tx) == 0); 1198fa9e4066Sahrens 1199fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_MICROZAP_OBJ, 1200fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1201fa9e4066Sahrens 1202fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_FATZAP_OBJ, 1203fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1204fa9e4066Sahrens } 1205fa9e4066Sahrens 12061d452cf5Sahrens static int 1207fa9e4066Sahrens ztest_destroy_cb(char *name, void *arg) 1208fa9e4066Sahrens { 1209e05725b1Sbonwick ztest_args_t *za = arg; 1210fa9e4066Sahrens objset_t *os; 1211e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 1212fa9e4066Sahrens int error; 1213fa9e4066Sahrens 1214fa9e4066Sahrens /* 1215fa9e4066Sahrens * Verify that the dataset contains a directory object. 1216fa9e4066Sahrens */ 1217fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, 1218745cd3c5Smaybee DS_MODE_USER | DS_MODE_READONLY, &os); 1219fa9e4066Sahrens ASSERT3U(error, ==, 0); 1220e05725b1Sbonwick error = dmu_object_info(os, ZTEST_DIROBJ, doi); 1221e1930233Sbonwick if (error != ENOENT) { 1222e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 1223e1930233Sbonwick ASSERT3U(error, ==, 0); 1224e05725b1Sbonwick ASSERT3U(doi->doi_type, ==, DMU_OT_UINT64_OTHER); 1225e05725b1Sbonwick ASSERT3S(doi->doi_physical_blks, >=, 0); 1226e1930233Sbonwick } 1227fa9e4066Sahrens dmu_objset_close(os); 1228fa9e4066Sahrens 1229fa9e4066Sahrens /* 1230fa9e4066Sahrens * Destroy the dataset. 1231fa9e4066Sahrens */ 1232fa9e4066Sahrens error = dmu_objset_destroy(name); 1233745cd3c5Smaybee if (error) { 1234745cd3c5Smaybee (void) dmu_objset_open(name, DMU_OST_OTHER, 1235745cd3c5Smaybee DS_MODE_USER | DS_MODE_READONLY, &os); 1236745cd3c5Smaybee fatal(0, "dmu_objset_destroy(os=%p) = %d\n", &os, error); 1237745cd3c5Smaybee } 12381d452cf5Sahrens return (0); 1239fa9e4066Sahrens } 1240fa9e4066Sahrens 1241fa9e4066Sahrens /* 1242fa9e4066Sahrens * Verify that dmu_objset_{create,destroy,open,close} work as expected. 1243fa9e4066Sahrens */ 1244fa9e4066Sahrens static uint64_t 1245fa9e4066Sahrens ztest_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t object, int mode) 1246fa9e4066Sahrens { 1247fa9e4066Sahrens itx_t *itx; 1248fa9e4066Sahrens lr_create_t *lr; 1249fa9e4066Sahrens size_t namesize; 1250fa9e4066Sahrens char name[24]; 1251fa9e4066Sahrens 1252fa9e4066Sahrens (void) sprintf(name, "ZOBJ_%llu", (u_longlong_t)object); 1253fa9e4066Sahrens namesize = strlen(name) + 1; 1254fa9e4066Sahrens 1255fa9e4066Sahrens itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize + 1256fa9e4066Sahrens ztest_random(ZIL_MAX_BLKSZ)); 1257fa9e4066Sahrens lr = (lr_create_t *)&itx->itx_lr; 1258fa9e4066Sahrens bzero(lr + 1, lr->lr_common.lrc_reclen - sizeof (*lr)); 1259fa9e4066Sahrens lr->lr_doid = object; 1260fa9e4066Sahrens lr->lr_foid = 0; 1261fa9e4066Sahrens lr->lr_mode = mode; 1262fa9e4066Sahrens lr->lr_uid = 0; 1263fa9e4066Sahrens lr->lr_gid = 0; 1264fa9e4066Sahrens lr->lr_gen = dmu_tx_get_txg(tx); 1265fa9e4066Sahrens lr->lr_crtime[0] = time(NULL); 1266fa9e4066Sahrens lr->lr_crtime[1] = 0; 1267fa9e4066Sahrens lr->lr_rdev = 0; 1268fa9e4066Sahrens bcopy(name, (char *)(lr + 1), namesize); 1269fa9e4066Sahrens 1270fa9e4066Sahrens return (zil_itx_assign(zilog, itx, tx)); 1271fa9e4066Sahrens } 1272fa9e4066Sahrens 1273fa9e4066Sahrens void 1274fa9e4066Sahrens ztest_dmu_objset_create_destroy(ztest_args_t *za) 1275fa9e4066Sahrens { 1276fa9e4066Sahrens int error; 1277745cd3c5Smaybee objset_t *os, *os2; 1278fa9e4066Sahrens char name[100]; 1279745cd3c5Smaybee int basemode, expected_error; 1280fa9e4066Sahrens zilog_t *zilog; 1281fa9e4066Sahrens uint64_t seq; 1282fa9e4066Sahrens uint64_t objects; 1283fa9e4066Sahrens 1284fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1285fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_temp_%llu", za->za_pool, za->za_pool, 1286fa9e4066Sahrens (u_longlong_t)za->za_instance); 1287fa9e4066Sahrens 1288745cd3c5Smaybee basemode = DS_MODE_TYPE(za->za_instance); 1289745cd3c5Smaybee if (basemode != DS_MODE_USER && basemode != DS_MODE_OWNER) 1290745cd3c5Smaybee basemode = DS_MODE_USER; 1291fa9e4066Sahrens 1292fa9e4066Sahrens /* 1293fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 1294fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 1295fa9e4066Sahrens * (invoked from ztest_destroy_cb() below) should just throw it away. 1296fa9e4066Sahrens */ 1297fa9e4066Sahrens if (ztest_random(2) == 0 && 1298745cd3c5Smaybee dmu_objset_open(name, DMU_OST_OTHER, DS_MODE_OWNER, &os) == 0) { 12991209a471SNeil Perrin zil_replay(os, os, ztest_replay_vector); 1300fa9e4066Sahrens dmu_objset_close(os); 1301fa9e4066Sahrens } 1302fa9e4066Sahrens 1303fa9e4066Sahrens /* 1304fa9e4066Sahrens * There may be an old instance of the dataset we're about to 1305fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 1306fa9e4066Sahrens * and all of its snapshots. 1307fa9e4066Sahrens */ 1308e05725b1Sbonwick (void) dmu_objset_find(name, ztest_destroy_cb, za, 13090b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 1310fa9e4066Sahrens 1311fa9e4066Sahrens /* 1312fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 1313fa9e4066Sahrens */ 1314fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, basemode, &os); 1315fa9e4066Sahrens if (error != ENOENT) 1316fa9e4066Sahrens fatal(1, "dmu_objset_open(%s) found destroyed dataset %p", 1317fa9e4066Sahrens name, os); 1318fa9e4066Sahrens 1319fa9e4066Sahrens /* 1320fa9e4066Sahrens * Verify that we can create a new dataset. 1321fa9e4066Sahrens */ 1322ab04eb8eStimh error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0, 1323ab04eb8eStimh ztest_create_cb, NULL); 1324fa9e4066Sahrens if (error) { 1325fa9e4066Sahrens if (error == ENOSPC) { 1326fa9e4066Sahrens ztest_record_enospc("dmu_objset_create"); 1327fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1328fa9e4066Sahrens return; 1329fa9e4066Sahrens } 1330fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 1331fa9e4066Sahrens } 1332fa9e4066Sahrens 1333fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, basemode, &os); 1334fa9e4066Sahrens if (error) { 1335fa9e4066Sahrens fatal(0, "dmu_objset_open(%s) = %d", name, error); 1336fa9e4066Sahrens } 1337fa9e4066Sahrens 1338fa9e4066Sahrens /* 1339fa9e4066Sahrens * Open the intent log for it. 1340fa9e4066Sahrens */ 1341fa9e4066Sahrens zilog = zil_open(os, NULL); 1342fa9e4066Sahrens 1343fa9e4066Sahrens /* 1344fa9e4066Sahrens * Put a random number of objects in there. 1345fa9e4066Sahrens */ 1346d80c45e0Sbonwick objects = ztest_random(20); 1347fa9e4066Sahrens seq = 0; 1348fa9e4066Sahrens while (objects-- != 0) { 1349fa9e4066Sahrens uint64_t object; 1350fa9e4066Sahrens dmu_tx_t *tx = dmu_tx_create(os); 1351fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, sizeof (name)); 1352fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1353fa9e4066Sahrens if (error) { 1354fa9e4066Sahrens dmu_tx_abort(tx); 1355fa9e4066Sahrens } else { 1356fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1357fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1358fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1359fa9e4066Sahrens seq = ztest_log_create(zilog, tx, object, 1360fa9e4066Sahrens DMU_OT_UINT64_OTHER); 1361fa9e4066Sahrens dmu_write(os, object, 0, sizeof (name), name, tx); 1362fa9e4066Sahrens dmu_tx_commit(tx); 1363fa9e4066Sahrens } 1364fa9e4066Sahrens if (ztest_random(5) == 0) { 1365b19a79ecSperrin zil_commit(zilog, seq, object); 1366fa9e4066Sahrens } 1367d80c45e0Sbonwick if (ztest_random(100) == 0) { 1368fa9e4066Sahrens error = zil_suspend(zilog); 1369fa9e4066Sahrens if (error == 0) { 1370fa9e4066Sahrens zil_resume(zilog); 1371fa9e4066Sahrens } 1372fa9e4066Sahrens } 1373fa9e4066Sahrens } 1374fa9e4066Sahrens 1375fa9e4066Sahrens /* 1376fa9e4066Sahrens * Verify that we cannot create an existing dataset. 1377fa9e4066Sahrens */ 1378ab04eb8eStimh error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0, NULL, NULL); 1379fa9e4066Sahrens if (error != EEXIST) 1380fa9e4066Sahrens fatal(0, "created existing dataset, error = %d", error); 1381fa9e4066Sahrens 1382fa9e4066Sahrens /* 1383745cd3c5Smaybee * Verify that multiple dataset holds are allowed, but only when 1384fa9e4066Sahrens * the new access mode is compatible with the base mode. 1385745cd3c5Smaybee */ 1386745cd3c5Smaybee if (basemode == DS_MODE_OWNER) { 1387745cd3c5Smaybee error = dmu_objset_open(name, DMU_OST_OTHER, DS_MODE_USER, 1388745cd3c5Smaybee &os2); 1389745cd3c5Smaybee if (error) 1390745cd3c5Smaybee fatal(0, "dmu_objset_open('%s') = %d", name, error); 1391745cd3c5Smaybee else 1392fa9e4066Sahrens dmu_objset_close(os2); 1393fa9e4066Sahrens } 1394745cd3c5Smaybee error = dmu_objset_open(name, DMU_OST_OTHER, DS_MODE_OWNER, &os2); 1395745cd3c5Smaybee expected_error = (basemode == DS_MODE_OWNER) ? EBUSY : 0; 1396745cd3c5Smaybee if (error != expected_error) 1397745cd3c5Smaybee fatal(0, "dmu_objset_open('%s') = %d, expected %d", 1398745cd3c5Smaybee name, error, expected_error); 1399745cd3c5Smaybee if (error == 0) 1400745cd3c5Smaybee dmu_objset_close(os2); 1401fa9e4066Sahrens 1402fa9e4066Sahrens zil_close(zilog); 1403fa9e4066Sahrens dmu_objset_close(os); 1404fa9e4066Sahrens 1405fa9e4066Sahrens error = dmu_objset_destroy(name); 1406fa9e4066Sahrens if (error) 1407fa9e4066Sahrens fatal(0, "dmu_objset_destroy(%s) = %d", name, error); 1408fa9e4066Sahrens 1409fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1410fa9e4066Sahrens } 1411fa9e4066Sahrens 1412fa9e4066Sahrens /* 1413fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 1414fa9e4066Sahrens */ 1415fa9e4066Sahrens void 1416fa9e4066Sahrens ztest_dmu_snapshot_create_destroy(ztest_args_t *za) 1417fa9e4066Sahrens { 1418fa9e4066Sahrens int error; 1419fa9e4066Sahrens objset_t *os = za->za_os; 1420fa9e4066Sahrens char snapname[100]; 1421fa9e4066Sahrens char osname[MAXNAMELEN]; 1422fa9e4066Sahrens 1423fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1424fa9e4066Sahrens dmu_objset_name(os, osname); 1425fa9e4066Sahrens (void) snprintf(snapname, 100, "%s@%llu", osname, 1426fa9e4066Sahrens (u_longlong_t)za->za_instance); 1427fa9e4066Sahrens 1428fa9e4066Sahrens error = dmu_objset_destroy(snapname); 1429fa9e4066Sahrens if (error != 0 && error != ENOENT) 1430fa9e4066Sahrens fatal(0, "dmu_objset_destroy() = %d", error); 14311d452cf5Sahrens error = dmu_objset_snapshot(osname, strchr(snapname, '@')+1, FALSE); 1432fa9e4066Sahrens if (error == ENOSPC) 1433fa9e4066Sahrens ztest_record_enospc("dmu_take_snapshot"); 1434fa9e4066Sahrens else if (error != 0 && error != EEXIST) 1435fa9e4066Sahrens fatal(0, "dmu_take_snapshot() = %d", error); 1436fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1437*4f5064b7SMark J Musante } 1438*4f5064b7SMark J Musante 1439*4f5064b7SMark J Musante /* 1440*4f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 1441*4f5064b7SMark J Musante */ 1442*4f5064b7SMark J Musante void 1443*4f5064b7SMark J Musante ztest_dsl_dataset_promote_busy(ztest_args_t *za) 1444*4f5064b7SMark J Musante { 1445*4f5064b7SMark J Musante int error; 1446*4f5064b7SMark J Musante objset_t *os = za->za_os; 1447*4f5064b7SMark J Musante objset_t *clone; 1448*4f5064b7SMark J Musante dsl_dataset_t *ds; 1449*4f5064b7SMark J Musante char snap1name[100]; 1450*4f5064b7SMark J Musante char clone1name[100]; 1451*4f5064b7SMark J Musante char snap2name[100]; 1452*4f5064b7SMark J Musante char clone2name[100]; 1453*4f5064b7SMark J Musante char snap3name[100]; 1454*4f5064b7SMark J Musante char osname[MAXNAMELEN]; 1455*4f5064b7SMark J Musante static uint64_t uniq = 0; 1456*4f5064b7SMark J Musante uint64_t curval; 1457*4f5064b7SMark J Musante 1458*4f5064b7SMark J Musante curval = atomic_add_64_nv(&uniq, 5) - 5; 1459*4f5064b7SMark J Musante 1460*4f5064b7SMark J Musante (void) rw_rdlock(&ztest_shared->zs_name_lock); 1461*4f5064b7SMark J Musante 1462*4f5064b7SMark J Musante dmu_objset_name(os, osname); 1463*4f5064b7SMark J Musante (void) snprintf(snap1name, 100, "%s@s1_%llu", osname, curval++); 1464*4f5064b7SMark J Musante (void) snprintf(clone1name, 100, "%s/c1_%llu", osname, curval++); 1465*4f5064b7SMark J Musante (void) snprintf(snap2name, 100, "%s@s2_%llu", clone1name, curval++); 1466*4f5064b7SMark J Musante (void) snprintf(clone2name, 100, "%s/c2_%llu", osname, curval++); 1467*4f5064b7SMark J Musante (void) snprintf(snap3name, 100, "%s@s3_%llu", clone1name, curval++); 1468*4f5064b7SMark J Musante 1469*4f5064b7SMark J Musante error = dmu_objset_snapshot(osname, strchr(snap1name, '@')+1, FALSE); 1470*4f5064b7SMark J Musante if (error == ENOSPC) 1471*4f5064b7SMark J Musante ztest_record_enospc("dmu_take_snapshot"); 1472*4f5064b7SMark J Musante else if (error != 0 && error != EEXIST) 1473*4f5064b7SMark J Musante fatal(0, "dmu_take_snapshot = %d", error); 1474*4f5064b7SMark J Musante 1475*4f5064b7SMark J Musante error = dmu_objset_open(snap1name, DMU_OST_OTHER, 1476*4f5064b7SMark J Musante DS_MODE_USER | DS_MODE_READONLY, &clone); 1477*4f5064b7SMark J Musante if (error) 1478*4f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap1name, error); 1479*4f5064b7SMark J Musante 1480*4f5064b7SMark J Musante error = dmu_objset_create(clone1name, DMU_OST_OTHER, clone, 0, 1481*4f5064b7SMark J Musante NULL, NULL); 1482*4f5064b7SMark J Musante if (error) 1483*4f5064b7SMark J Musante fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 1484*4f5064b7SMark J Musante dmu_objset_close(clone); 1485*4f5064b7SMark J Musante 1486*4f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap2name, '@')+1, 1487*4f5064b7SMark J Musante FALSE); 1488*4f5064b7SMark J Musante if (error == ENOSPC) 1489*4f5064b7SMark J Musante ztest_record_enospc("dmu_take_snapshot"); 1490*4f5064b7SMark J Musante else if (error != 0 && error != EEXIST) 1491*4f5064b7SMark J Musante fatal(0, "dmu_take_snapshot = %d", error); 1492*4f5064b7SMark J Musante 1493*4f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap3name, '@')+1, 1494*4f5064b7SMark J Musante FALSE); 1495*4f5064b7SMark J Musante if (error == ENOSPC) 1496*4f5064b7SMark J Musante ztest_record_enospc("dmu_take_snapshot"); 1497*4f5064b7SMark J Musante else if (error != 0 && error != EEXIST) 1498*4f5064b7SMark J Musante fatal(0, "dmu_take_snapshot = %d", error); 1499*4f5064b7SMark J Musante 1500*4f5064b7SMark J Musante error = dmu_objset_open(snap3name, DMU_OST_OTHER, 1501*4f5064b7SMark J Musante DS_MODE_USER | DS_MODE_READONLY, &clone); 1502*4f5064b7SMark J Musante if (error) 1503*4f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 1504*4f5064b7SMark J Musante 1505*4f5064b7SMark J Musante error = dmu_objset_create(clone2name, DMU_OST_OTHER, clone, 0, 1506*4f5064b7SMark J Musante NULL, NULL); 1507*4f5064b7SMark J Musante if (error) 1508*4f5064b7SMark J Musante fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 1509*4f5064b7SMark J Musante dmu_objset_close(clone); 1510*4f5064b7SMark J Musante 1511*4f5064b7SMark J Musante error = dsl_dataset_own(snap1name, 0, FTAG, &ds); 1512*4f5064b7SMark J Musante if (error) 1513*4f5064b7SMark J Musante fatal(0, "dsl_dataset_own(%s) = %d", snap1name, error); 1514*4f5064b7SMark J Musante error = dsl_dataset_promote(clone2name); 1515*4f5064b7SMark J Musante if (error != EBUSY) 1516*4f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 1517*4f5064b7SMark J Musante error); 1518*4f5064b7SMark J Musante dsl_dataset_disown(ds, FTAG); 1519*4f5064b7SMark J Musante 1520*4f5064b7SMark J Musante error = dmu_objset_destroy(clone2name); 1521*4f5064b7SMark J Musante if (error) 1522*4f5064b7SMark J Musante fatal(0, "dmu_objset_destroy(%s) = %d", clone2name, error); 1523*4f5064b7SMark J Musante 1524*4f5064b7SMark J Musante error = dmu_objset_destroy(snap3name); 1525*4f5064b7SMark J Musante if (error) 1526*4f5064b7SMark J Musante fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error); 1527*4f5064b7SMark J Musante 1528*4f5064b7SMark J Musante error = dmu_objset_destroy(snap2name); 1529*4f5064b7SMark J Musante if (error) 1530*4f5064b7SMark J Musante fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error); 1531*4f5064b7SMark J Musante 1532*4f5064b7SMark J Musante error = dmu_objset_destroy(clone1name); 1533*4f5064b7SMark J Musante if (error) 1534*4f5064b7SMark J Musante fatal(0, "dmu_objset_destroy(%s) = %d", clone1name, error); 1535*4f5064b7SMark J Musante error = dmu_objset_destroy(snap1name); 1536*4f5064b7SMark J Musante if (error) 1537*4f5064b7SMark J Musante fatal(0, "dmu_objset_destroy(%s) = %d", snap1name, error); 1538*4f5064b7SMark J Musante 1539*4f5064b7SMark J Musante (void) rw_unlock(&ztest_shared->zs_name_lock); 1540fa9e4066Sahrens } 1541fa9e4066Sahrens 1542fa9e4066Sahrens /* 1543fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 1544fa9e4066Sahrens */ 1545fa9e4066Sahrens void 1546fa9e4066Sahrens ztest_dmu_object_alloc_free(ztest_args_t *za) 1547fa9e4066Sahrens { 1548fa9e4066Sahrens objset_t *os = za->za_os; 1549fa9e4066Sahrens dmu_buf_t *db; 1550fa9e4066Sahrens dmu_tx_t *tx; 1551fa9e4066Sahrens uint64_t batchobj, object, batchsize, endoff, temp; 1552fa9e4066Sahrens int b, c, error, bonuslen; 1553e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 1554fa9e4066Sahrens char osname[MAXNAMELEN]; 1555fa9e4066Sahrens 1556fa9e4066Sahrens dmu_objset_name(os, osname); 1557fa9e4066Sahrens 1558fa9e4066Sahrens endoff = -8ULL; 1559fa9e4066Sahrens batchsize = 2; 1560fa9e4066Sahrens 1561fa9e4066Sahrens /* 1562fa9e4066Sahrens * Create a batch object if necessary, and record it in the directory. 1563fa9e4066Sahrens */ 1564e14bb325SJeff Bonwick VERIFY3U(0, ==, dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 1565ea8dc4b6Seschrock sizeof (uint64_t), &batchobj)); 1566fa9e4066Sahrens if (batchobj == 0) { 1567fa9e4066Sahrens tx = dmu_tx_create(os); 1568fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 1569fa9e4066Sahrens sizeof (uint64_t)); 1570fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1571fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1572fa9e4066Sahrens if (error) { 1573fa9e4066Sahrens ztest_record_enospc("create a batch object"); 1574fa9e4066Sahrens dmu_tx_abort(tx); 1575fa9e4066Sahrens return; 1576fa9e4066Sahrens } 1577fa9e4066Sahrens batchobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1578fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1579fa9e4066Sahrens ztest_set_random_blocksize(os, batchobj, tx); 1580fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 1581fa9e4066Sahrens sizeof (uint64_t), &batchobj, tx); 1582fa9e4066Sahrens dmu_tx_commit(tx); 1583fa9e4066Sahrens } 1584fa9e4066Sahrens 1585fa9e4066Sahrens /* 1586fa9e4066Sahrens * Destroy the previous batch of objects. 1587fa9e4066Sahrens */ 1588fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1589088f3894Sahrens VERIFY3U(0, ==, dmu_read(os, batchobj, b * sizeof (uint64_t), 1590ea8dc4b6Seschrock sizeof (uint64_t), &object)); 1591fa9e4066Sahrens if (object == 0) 1592fa9e4066Sahrens continue; 1593fa9e4066Sahrens /* 1594fa9e4066Sahrens * Read and validate contents. 1595fa9e4066Sahrens * We expect the nth byte of the bonus buffer to be n. 1596fa9e4066Sahrens */ 1597ea8dc4b6Seschrock VERIFY(0 == dmu_bonus_hold(os, object, FTAG, &db)); 1598e05725b1Sbonwick za->za_dbuf = db; 1599fa9e4066Sahrens 1600e05725b1Sbonwick dmu_object_info_from_db(db, doi); 1601e05725b1Sbonwick ASSERT(doi->doi_type == DMU_OT_UINT64_OTHER); 1602e05725b1Sbonwick ASSERT(doi->doi_bonus_type == DMU_OT_PLAIN_OTHER); 1603e05725b1Sbonwick ASSERT3S(doi->doi_physical_blks, >=, 0); 1604fa9e4066Sahrens 1605e05725b1Sbonwick bonuslen = doi->doi_bonus_size; 1606fa9e4066Sahrens 1607fa9e4066Sahrens for (c = 0; c < bonuslen; c++) { 1608fa9e4066Sahrens if (((uint8_t *)db->db_data)[c] != 1609fa9e4066Sahrens (uint8_t)(c + bonuslen)) { 1610fa9e4066Sahrens fatal(0, 1611fa9e4066Sahrens "bad bonus: %s, obj %llu, off %d: %u != %u", 1612fa9e4066Sahrens osname, object, c, 1613fa9e4066Sahrens ((uint8_t *)db->db_data)[c], 1614fa9e4066Sahrens (uint8_t)(c + bonuslen)); 1615fa9e4066Sahrens } 1616fa9e4066Sahrens } 1617fa9e4066Sahrens 1618ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1619e05725b1Sbonwick za->za_dbuf = NULL; 1620fa9e4066Sahrens 1621fa9e4066Sahrens /* 1622fa9e4066Sahrens * We expect the word at endoff to be our object number. 1623fa9e4066Sahrens */ 1624ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, object, endoff, 1625ea8dc4b6Seschrock sizeof (uint64_t), &temp)); 1626fa9e4066Sahrens 1627fa9e4066Sahrens if (temp != object) { 1628fa9e4066Sahrens fatal(0, "bad data in %s, got %llu, expected %llu", 1629fa9e4066Sahrens osname, temp, object); 1630fa9e4066Sahrens } 1631fa9e4066Sahrens 1632fa9e4066Sahrens /* 1633fa9e4066Sahrens * Destroy old object and clear batch entry. 1634fa9e4066Sahrens */ 1635fa9e4066Sahrens tx = dmu_tx_create(os); 1636fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, 1637fa9e4066Sahrens b * sizeof (uint64_t), sizeof (uint64_t)); 1638fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1639fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1640fa9e4066Sahrens if (error) { 1641fa9e4066Sahrens ztest_record_enospc("free object"); 1642fa9e4066Sahrens dmu_tx_abort(tx); 1643fa9e4066Sahrens return; 1644fa9e4066Sahrens } 1645fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1646fa9e4066Sahrens if (error) { 1647fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1648fa9e4066Sahrens osname, object, error); 1649fa9e4066Sahrens } 1650fa9e4066Sahrens object = 0; 1651fa9e4066Sahrens 1652fa9e4066Sahrens dmu_object_set_checksum(os, batchobj, 1653fa9e4066Sahrens ztest_random_checksum(), tx); 1654fa9e4066Sahrens dmu_object_set_compress(os, batchobj, 1655fa9e4066Sahrens ztest_random_compress(), tx); 1656fa9e4066Sahrens 1657fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1658fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1659fa9e4066Sahrens 1660fa9e4066Sahrens dmu_tx_commit(tx); 1661fa9e4066Sahrens } 1662fa9e4066Sahrens 1663fa9e4066Sahrens /* 1664fa9e4066Sahrens * Before creating the new batch of objects, generate a bunch of churn. 1665fa9e4066Sahrens */ 1666fa9e4066Sahrens for (b = ztest_random(100); b > 0; b--) { 1667fa9e4066Sahrens tx = dmu_tx_create(os); 1668fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1669fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1670fa9e4066Sahrens if (error) { 1671fa9e4066Sahrens ztest_record_enospc("churn objects"); 1672fa9e4066Sahrens dmu_tx_abort(tx); 1673fa9e4066Sahrens return; 1674fa9e4066Sahrens } 1675fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1676fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1677fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1678fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1679fa9e4066Sahrens if (error) { 1680fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1681fa9e4066Sahrens osname, object, error); 1682fa9e4066Sahrens } 1683fa9e4066Sahrens dmu_tx_commit(tx); 1684fa9e4066Sahrens } 1685fa9e4066Sahrens 1686fa9e4066Sahrens /* 1687fa9e4066Sahrens * Create a new batch of objects with randomly chosen 1688fa9e4066Sahrens * blocksizes and record them in the batch directory. 1689fa9e4066Sahrens */ 1690fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1691fa9e4066Sahrens uint32_t va_blksize; 1692fa9e4066Sahrens u_longlong_t va_nblocks; 1693fa9e4066Sahrens 1694fa9e4066Sahrens tx = dmu_tx_create(os); 1695fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, b * sizeof (uint64_t), 1696fa9e4066Sahrens sizeof (uint64_t)); 1697fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1698fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, endoff, 1699fa9e4066Sahrens sizeof (uint64_t)); 1700fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1701fa9e4066Sahrens if (error) { 1702fa9e4066Sahrens ztest_record_enospc("create batchobj"); 1703fa9e4066Sahrens dmu_tx_abort(tx); 1704fa9e4066Sahrens return; 1705fa9e4066Sahrens } 1706fa9e4066Sahrens bonuslen = (int)ztest_random(dmu_bonus_max()) + 1; 1707fa9e4066Sahrens 1708fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1709fa9e4066Sahrens DMU_OT_PLAIN_OTHER, bonuslen, tx); 1710fa9e4066Sahrens 1711fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1712fa9e4066Sahrens 1713fa9e4066Sahrens dmu_object_set_checksum(os, object, 1714fa9e4066Sahrens ztest_random_checksum(), tx); 1715fa9e4066Sahrens dmu_object_set_compress(os, object, 1716fa9e4066Sahrens ztest_random_compress(), tx); 1717fa9e4066Sahrens 1718fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1719fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1720fa9e4066Sahrens 1721fa9e4066Sahrens /* 1722fa9e4066Sahrens * Write to both the bonus buffer and the regular data. 1723fa9e4066Sahrens */ 1724e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, object, FTAG, &db) == 0); 1725e05725b1Sbonwick za->za_dbuf = db; 17261934e92fSmaybee ASSERT3U(bonuslen, <=, db->db_size); 1727fa9e4066Sahrens 1728fa9e4066Sahrens dmu_object_size_from_db(db, &va_blksize, &va_nblocks); 1729fa9e4066Sahrens ASSERT3S(va_nblocks, >=, 0); 1730fa9e4066Sahrens 1731fa9e4066Sahrens dmu_buf_will_dirty(db, tx); 1732fa9e4066Sahrens 1733fa9e4066Sahrens /* 1734fa9e4066Sahrens * See comments above regarding the contents of 1735fa9e4066Sahrens * the bonus buffer and the word at endoff. 1736fa9e4066Sahrens */ 17371934e92fSmaybee for (c = 0; c < bonuslen; c++) 1738fa9e4066Sahrens ((uint8_t *)db->db_data)[c] = (uint8_t)(c + bonuslen); 1739fa9e4066Sahrens 1740ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1741e05725b1Sbonwick za->za_dbuf = NULL; 1742fa9e4066Sahrens 1743fa9e4066Sahrens /* 1744fa9e4066Sahrens * Write to a large offset to increase indirection. 1745fa9e4066Sahrens */ 1746fa9e4066Sahrens dmu_write(os, object, endoff, sizeof (uint64_t), &object, tx); 1747fa9e4066Sahrens 1748fa9e4066Sahrens dmu_tx_commit(tx); 1749fa9e4066Sahrens } 1750fa9e4066Sahrens } 1751fa9e4066Sahrens 1752fa9e4066Sahrens /* 1753fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 1754fa9e4066Sahrens */ 1755fa9e4066Sahrens typedef struct bufwad { 1756fa9e4066Sahrens uint64_t bw_index; 1757fa9e4066Sahrens uint64_t bw_txg; 1758fa9e4066Sahrens uint64_t bw_data; 1759fa9e4066Sahrens } bufwad_t; 1760fa9e4066Sahrens 1761fa9e4066Sahrens typedef struct dmu_read_write_dir { 1762fa9e4066Sahrens uint64_t dd_packobj; 1763fa9e4066Sahrens uint64_t dd_bigobj; 1764fa9e4066Sahrens uint64_t dd_chunk; 1765fa9e4066Sahrens } dmu_read_write_dir_t; 1766fa9e4066Sahrens 1767fa9e4066Sahrens void 1768fa9e4066Sahrens ztest_dmu_read_write(ztest_args_t *za) 1769fa9e4066Sahrens { 1770fa9e4066Sahrens objset_t *os = za->za_os; 1771fa9e4066Sahrens dmu_read_write_dir_t dd; 1772fa9e4066Sahrens dmu_tx_t *tx; 1773fa9e4066Sahrens int i, freeit, error; 1774fa9e4066Sahrens uint64_t n, s, txg; 1775fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 1776fa9e4066Sahrens uint64_t packoff, packsize, bigoff, bigsize; 1777fa9e4066Sahrens uint64_t regions = 997; 1778fa9e4066Sahrens uint64_t stride = 123456789ULL; 1779fa9e4066Sahrens uint64_t width = 40; 1780fa9e4066Sahrens int free_percent = 5; 1781fa9e4066Sahrens 1782fa9e4066Sahrens /* 1783fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 1784fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 1785fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 1786fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 1787fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 1788fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 1789fa9e4066Sahrens * 1790fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 1791fa9e4066Sahrens * bigobj, at the head of the nth chunk 1792fa9e4066Sahrens * bigobj, at the tail of the nth chunk 1793fa9e4066Sahrens * 1794fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 1795fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 1796fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 1797fa9e4066Sahrens * 1798fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 1799fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 1800fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 1801fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 1802fa9e4066Sahrens * tracking which parts of an object are allocated and free, 1803fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 1804fa9e4066Sahrens */ 1805fa9e4066Sahrens 1806fa9e4066Sahrens /* 1807fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 1808fa9e4066Sahrens */ 1809ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 1810ea8dc4b6Seschrock sizeof (dd), &dd)); 1811fa9e4066Sahrens if (dd.dd_chunk == 0) { 1812fa9e4066Sahrens ASSERT(dd.dd_packobj == 0); 1813fa9e4066Sahrens ASSERT(dd.dd_bigobj == 0); 1814fa9e4066Sahrens tx = dmu_tx_create(os); 1815fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (dd)); 1816fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1817fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1818fa9e4066Sahrens if (error) { 1819fa9e4066Sahrens ztest_record_enospc("create r/w directory"); 1820fa9e4066Sahrens dmu_tx_abort(tx); 1821fa9e4066Sahrens return; 1822fa9e4066Sahrens } 1823fa9e4066Sahrens 1824fa9e4066Sahrens dd.dd_packobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1825fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1826fa9e4066Sahrens dd.dd_bigobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1827fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1828fa9e4066Sahrens dd.dd_chunk = (1000 + ztest_random(1000)) * sizeof (uint64_t); 1829fa9e4066Sahrens 1830fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_packobj, tx); 1831fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_bigobj, tx); 1832fa9e4066Sahrens 1833fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (dd), &dd, 1834fa9e4066Sahrens tx); 1835fa9e4066Sahrens dmu_tx_commit(tx); 1836fa9e4066Sahrens } 1837fa9e4066Sahrens 1838fa9e4066Sahrens /* 1839fa9e4066Sahrens * Prefetch a random chunk of the big object. 1840fa9e4066Sahrens * Our aim here is to get some async reads in flight 1841fa9e4066Sahrens * for blocks that we may free below; the DMU should 1842fa9e4066Sahrens * handle this race correctly. 1843fa9e4066Sahrens */ 1844fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 1845fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 1846fa9e4066Sahrens dmu_prefetch(os, dd.dd_bigobj, n * dd.dd_chunk, s * dd.dd_chunk); 1847fa9e4066Sahrens 1848fa9e4066Sahrens /* 1849fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 1850fa9e4066Sahrens */ 1851fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 1852fa9e4066Sahrens s = 1 + ztest_random(width - 1); 1853fa9e4066Sahrens 1854fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 1855fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 1856fa9e4066Sahrens 1857fa9e4066Sahrens bigoff = n * dd.dd_chunk; 1858fa9e4066Sahrens bigsize = s * dd.dd_chunk; 1859fa9e4066Sahrens 1860fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 1861fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 1862fa9e4066Sahrens 1863fa9e4066Sahrens /* 1864fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 1865fa9e4066Sahrens * overwriting it. 1866fa9e4066Sahrens */ 1867fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 1868fa9e4066Sahrens 1869fa9e4066Sahrens /* 1870fa9e4066Sahrens * Read the current contents of our objects. 1871fa9e4066Sahrens */ 1872ea8dc4b6Seschrock error = dmu_read(os, dd.dd_packobj, packoff, packsize, packbuf); 1873ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 1874ea8dc4b6Seschrock error = dmu_read(os, dd.dd_bigobj, bigoff, bigsize, bigbuf); 1875ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 1876fa9e4066Sahrens 1877fa9e4066Sahrens /* 1878fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 1879fa9e4066Sahrens */ 1880fa9e4066Sahrens tx = dmu_tx_create(os); 1881fa9e4066Sahrens 1882fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_packobj, packoff, packsize); 1883fa9e4066Sahrens 1884fa9e4066Sahrens if (freeit) 1885fa9e4066Sahrens dmu_tx_hold_free(tx, dd.dd_bigobj, bigoff, bigsize); 1886fa9e4066Sahrens else 1887fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_bigobj, bigoff, bigsize); 1888fa9e4066Sahrens 1889fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1890fa9e4066Sahrens 1891fa9e4066Sahrens if (error) { 1892fa9e4066Sahrens ztest_record_enospc("dmu r/w range"); 1893fa9e4066Sahrens dmu_tx_abort(tx); 1894fa9e4066Sahrens umem_free(packbuf, packsize); 1895fa9e4066Sahrens umem_free(bigbuf, bigsize); 1896fa9e4066Sahrens return; 1897fa9e4066Sahrens } 1898fa9e4066Sahrens 1899fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 1900fa9e4066Sahrens 1901fa9e4066Sahrens /* 1902fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 1903fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 1904fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 1905fa9e4066Sahrens * with the new values we want to write out. 1906fa9e4066Sahrens */ 1907fa9e4066Sahrens for (i = 0; i < s; i++) { 1908fa9e4066Sahrens /* LINTED */ 1909fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 1910fa9e4066Sahrens /* LINTED */ 1911fa9e4066Sahrens bigH = (bufwad_t *)((char *)bigbuf + i * dd.dd_chunk); 1912fa9e4066Sahrens /* LINTED */ 1913fa9e4066Sahrens bigT = (bufwad_t *)((char *)bigH + dd.dd_chunk) - 1; 1914fa9e4066Sahrens 1915fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 1916fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 1917fa9e4066Sahrens 1918fa9e4066Sahrens if (pack->bw_txg > txg) 1919fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 1920fa9e4066Sahrens pack->bw_txg, txg); 1921fa9e4066Sahrens 1922fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 1923fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 1924fa9e4066Sahrens pack->bw_index, n, i); 1925fa9e4066Sahrens 1926fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 1927fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 1928fa9e4066Sahrens 1929fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 1930fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 1931fa9e4066Sahrens 1932fa9e4066Sahrens if (freeit) { 1933fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 1934fa9e4066Sahrens } else { 1935fa9e4066Sahrens pack->bw_index = n + i; 1936fa9e4066Sahrens pack->bw_txg = txg; 1937fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 1938fa9e4066Sahrens } 1939fa9e4066Sahrens *bigH = *pack; 1940fa9e4066Sahrens *bigT = *pack; 1941fa9e4066Sahrens } 1942fa9e4066Sahrens 1943fa9e4066Sahrens /* 1944fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 1945fa9e4066Sahrens * Now write them out. 1946fa9e4066Sahrens */ 1947fa9e4066Sahrens dmu_write(os, dd.dd_packobj, packoff, packsize, packbuf, tx); 1948fa9e4066Sahrens 1949fa9e4066Sahrens if (freeit) { 1950fa9e4066Sahrens if (zopt_verbose >= 6) { 1951fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 1952fa9e4066Sahrens " txg %llx\n", 1953fa9e4066Sahrens (u_longlong_t)bigoff, 1954fa9e4066Sahrens (u_longlong_t)bigsize, 1955fa9e4066Sahrens (u_longlong_t)txg); 1956fa9e4066Sahrens } 1957ea8dc4b6Seschrock VERIFY(0 == dmu_free_range(os, dd.dd_bigobj, bigoff, 1958ea8dc4b6Seschrock bigsize, tx)); 1959fa9e4066Sahrens } else { 1960fa9e4066Sahrens if (zopt_verbose >= 6) { 1961fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 1962fa9e4066Sahrens " txg %llx\n", 1963fa9e4066Sahrens (u_longlong_t)bigoff, 1964fa9e4066Sahrens (u_longlong_t)bigsize, 1965fa9e4066Sahrens (u_longlong_t)txg); 1966fa9e4066Sahrens } 1967fa9e4066Sahrens dmu_write(os, dd.dd_bigobj, bigoff, bigsize, bigbuf, tx); 1968fa9e4066Sahrens } 1969fa9e4066Sahrens 1970fa9e4066Sahrens dmu_tx_commit(tx); 1971fa9e4066Sahrens 1972fa9e4066Sahrens /* 1973fa9e4066Sahrens * Sanity check the stuff we just wrote. 1974fa9e4066Sahrens */ 1975fa9e4066Sahrens { 1976fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 1977fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 1978fa9e4066Sahrens 1979ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, dd.dd_packobj, packoff, 1980ea8dc4b6Seschrock packsize, packcheck)); 1981ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, dd.dd_bigobj, bigoff, 1982ea8dc4b6Seschrock bigsize, bigcheck)); 1983fa9e4066Sahrens 1984fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 1985fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 1986fa9e4066Sahrens 1987fa9e4066Sahrens umem_free(packcheck, packsize); 1988fa9e4066Sahrens umem_free(bigcheck, bigsize); 1989fa9e4066Sahrens } 1990fa9e4066Sahrens 1991fa9e4066Sahrens umem_free(packbuf, packsize); 1992fa9e4066Sahrens umem_free(bigbuf, bigsize); 1993fa9e4066Sahrens } 1994fa9e4066Sahrens 19954d31c452Smaybee void 1996e05725b1Sbonwick ztest_dmu_check_future_leak(ztest_args_t *za) 19974d31c452Smaybee { 1998e05725b1Sbonwick objset_t *os = za->za_os; 19994d31c452Smaybee dmu_buf_t *db; 2000e05725b1Sbonwick ztest_block_tag_t *bt; 2001e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 20024d31c452Smaybee 20034d31c452Smaybee /* 20044d31c452Smaybee * Make sure that, if there is a write record in the bonus buffer 20054d31c452Smaybee * of the ZTEST_DIROBJ, that the txg for this record is <= the 20064d31c452Smaybee * last synced txg of the pool. 20074d31c452Smaybee */ 2008e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &db) == 0); 2009e05725b1Sbonwick za->za_dbuf = db; 2010e05725b1Sbonwick VERIFY(dmu_object_info(os, ZTEST_DIROBJ, doi) == 0); 2011e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, >=, sizeof (*bt)); 2012e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, <=, db->db_size); 2013e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size % sizeof (*bt), ==, 0); 2014e05725b1Sbonwick bt = (void *)((char *)db->db_data + doi->doi_bonus_size - sizeof (*bt)); 2015e05725b1Sbonwick if (bt->bt_objset != 0) { 2016e05725b1Sbonwick ASSERT3U(bt->bt_objset, ==, dmu_objset_id(os)); 2017e05725b1Sbonwick ASSERT3U(bt->bt_object, ==, ZTEST_DIROBJ); 2018e05725b1Sbonwick ASSERT3U(bt->bt_offset, ==, -1ULL); 2019e05725b1Sbonwick ASSERT3U(bt->bt_txg, <, spa_first_txg(za->za_spa)); 20204d31c452Smaybee } 20214d31c452Smaybee dmu_buf_rele(db, FTAG); 2022e05725b1Sbonwick za->za_dbuf = NULL; 20234d31c452Smaybee } 20244d31c452Smaybee 2025fa9e4066Sahrens void 2026fa9e4066Sahrens ztest_dmu_write_parallel(ztest_args_t *za) 2027fa9e4066Sahrens { 2028fa9e4066Sahrens objset_t *os = za->za_os; 2029e05725b1Sbonwick ztest_block_tag_t *rbt = &za->za_rbt; 2030e05725b1Sbonwick ztest_block_tag_t *wbt = &za->za_wbt; 2031e05725b1Sbonwick const size_t btsize = sizeof (ztest_block_tag_t); 2032fa9e4066Sahrens dmu_buf_t *db; 2033e05725b1Sbonwick int b, error; 2034e05725b1Sbonwick int bs = ZTEST_DIROBJ_BLOCKSIZE; 2035e05725b1Sbonwick int do_free = 0; 2036f4a72450SJeff Bonwick uint64_t off, txg, txg_how; 2037fa9e4066Sahrens mutex_t *lp; 2038fa9e4066Sahrens char osname[MAXNAMELEN]; 2039fa9e4066Sahrens char iobuf[SPA_MAXBLOCKSIZE]; 2040e05725b1Sbonwick blkptr_t blk = { 0 }; 2041e05725b1Sbonwick uint64_t blkoff; 2042e05725b1Sbonwick zbookmark_t zb; 2043e05725b1Sbonwick dmu_tx_t *tx = dmu_tx_create(os); 2044fa9e4066Sahrens 2045fa9e4066Sahrens dmu_objset_name(os, osname); 2046fa9e4066Sahrens 2047fa9e4066Sahrens /* 2048fa9e4066Sahrens * Have multiple threads write to large offsets in ZTEST_DIROBJ 2049fa9e4066Sahrens * to verify that having multiple threads writing to the same object 2050fa9e4066Sahrens * in parallel doesn't cause any trouble. 2051fa9e4066Sahrens */ 2052e05725b1Sbonwick if (ztest_random(4) == 0) { 2053e05725b1Sbonwick /* 2054e05725b1Sbonwick * Do the bonus buffer instead of a regular block. 2055e05725b1Sbonwick * We need a lock to serialize resize vs. others, 2056e05725b1Sbonwick * so we hash on the objset ID. 2057e05725b1Sbonwick */ 2058e05725b1Sbonwick b = dmu_objset_id(os) % ZTEST_SYNC_LOCKS; 2059e05725b1Sbonwick off = -1ULL; 2060e05725b1Sbonwick dmu_tx_hold_bonus(tx, ZTEST_DIROBJ); 2061e05725b1Sbonwick } else { 2062fa9e4066Sahrens b = ztest_random(ZTEST_SYNC_LOCKS); 2063e05725b1Sbonwick off = za->za_diroff_shared + (b << SPA_MAXBLOCKSHIFT); 2064fa9e4066Sahrens if (ztest_random(4) == 0) { 2065e05725b1Sbonwick do_free = 1; 2066fa9e4066Sahrens dmu_tx_hold_free(tx, ZTEST_DIROBJ, off, bs); 2067e05725b1Sbonwick } else { 2068fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, off, bs); 2069e05725b1Sbonwick } 2070e05725b1Sbonwick } 2071fa9e4066Sahrens 2072e05725b1Sbonwick txg_how = ztest_random(2) == 0 ? TXG_WAIT : TXG_NOWAIT; 2073e05725b1Sbonwick error = dmu_tx_assign(tx, txg_how); 2074e05725b1Sbonwick if (error) { 2075e05725b1Sbonwick if (error == ERESTART) { 2076e05725b1Sbonwick ASSERT(txg_how == TXG_NOWAIT); 2077e05725b1Sbonwick dmu_tx_wait(tx); 2078e05725b1Sbonwick } else { 2079fa9e4066Sahrens ztest_record_enospc("dmu write parallel"); 2080fa9e4066Sahrens } 2081e05725b1Sbonwick dmu_tx_abort(tx); 2082e05725b1Sbonwick return; 2083e05725b1Sbonwick } 2084f4a72450SJeff Bonwick txg = dmu_tx_get_txg(tx); 2085fa9e4066Sahrens 2086e05725b1Sbonwick lp = &ztest_shared->zs_sync_lock[b]; 2087e05725b1Sbonwick (void) mutex_lock(lp); 2088e05725b1Sbonwick 2089e05725b1Sbonwick wbt->bt_objset = dmu_objset_id(os); 2090e05725b1Sbonwick wbt->bt_object = ZTEST_DIROBJ; 2091e05725b1Sbonwick wbt->bt_offset = off; 2092f4a72450SJeff Bonwick wbt->bt_txg = txg; 2093e05725b1Sbonwick wbt->bt_thread = za->za_instance; 2094e05725b1Sbonwick wbt->bt_seq = ztest_shared->zs_seq[b]++; /* protected by lp */ 2095e05725b1Sbonwick 2096f4a72450SJeff Bonwick /* 2097f4a72450SJeff Bonwick * Occasionally, write an all-zero block to test the behavior 2098f4a72450SJeff Bonwick * of blocks that compress into holes. 2099f4a72450SJeff Bonwick */ 2100f4a72450SJeff Bonwick if (off != -1ULL && ztest_random(8) == 0) 2101f4a72450SJeff Bonwick bzero(wbt, btsize); 2102f4a72450SJeff Bonwick 2103e05725b1Sbonwick if (off == -1ULL) { 2104e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 2105e05725b1Sbonwick char *dboff; 2106e05725b1Sbonwick 2107e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &db) == 0); 2108e05725b1Sbonwick za->za_dbuf = db; 2109e05725b1Sbonwick dmu_object_info_from_db(db, doi); 2110e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, <=, db->db_size); 2111e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, >=, btsize); 2112e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size % btsize, ==, 0); 2113e05725b1Sbonwick dboff = (char *)db->db_data + doi->doi_bonus_size - btsize; 2114e05725b1Sbonwick bcopy(dboff, rbt, btsize); 2115e05725b1Sbonwick if (rbt->bt_objset != 0) { 2116e05725b1Sbonwick ASSERT3U(rbt->bt_objset, ==, wbt->bt_objset); 2117e05725b1Sbonwick ASSERT3U(rbt->bt_object, ==, wbt->bt_object); 2118e05725b1Sbonwick ASSERT3U(rbt->bt_offset, ==, wbt->bt_offset); 2119e05725b1Sbonwick ASSERT3U(rbt->bt_txg, <=, wbt->bt_txg); 2120fa9e4066Sahrens } 2121e05725b1Sbonwick if (ztest_random(10) == 0) { 2122e05725b1Sbonwick int newsize = (ztest_random(db->db_size / 2123e05725b1Sbonwick btsize) + 1) * btsize; 2124e05725b1Sbonwick 2125e05725b1Sbonwick ASSERT3U(newsize, >=, btsize); 2126e05725b1Sbonwick ASSERT3U(newsize, <=, db->db_size); 2127e05725b1Sbonwick VERIFY3U(dmu_set_bonus(db, newsize, tx), ==, 0); 2128e05725b1Sbonwick dboff = (char *)db->db_data + newsize - btsize; 2129fa9e4066Sahrens } 2130e05725b1Sbonwick dmu_buf_will_dirty(db, tx); 2131e05725b1Sbonwick bcopy(wbt, dboff, btsize); 2132e05725b1Sbonwick dmu_buf_rele(db, FTAG); 2133e05725b1Sbonwick za->za_dbuf = NULL; 2134e05725b1Sbonwick } else if (do_free) { 2135e05725b1Sbonwick VERIFY(dmu_free_range(os, ZTEST_DIROBJ, off, bs, tx) == 0); 2136e05725b1Sbonwick } else { 2137e05725b1Sbonwick dmu_write(os, ZTEST_DIROBJ, off, btsize, wbt, tx); 2138e05725b1Sbonwick } 2139e05725b1Sbonwick 2140e05725b1Sbonwick (void) mutex_unlock(lp); 2141e05725b1Sbonwick 2142e05725b1Sbonwick if (ztest_random(1000) == 0) 2143e05725b1Sbonwick (void) poll(NULL, 0, 1); /* open dn_notxholds window */ 2144e05725b1Sbonwick 2145e05725b1Sbonwick dmu_tx_commit(tx); 2146e05725b1Sbonwick 2147e05725b1Sbonwick if (ztest_random(10000) == 0) 2148f4a72450SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 2149fa9e4066Sahrens 2150e14bb325SJeff Bonwick if (off == -1ULL || do_free) 2151e05725b1Sbonwick return; 2152fa9e4066Sahrens 2153e05725b1Sbonwick if (ztest_random(2) != 0) 2154e05725b1Sbonwick return; 2155fa9e4066Sahrens 2156e05725b1Sbonwick /* 2157e05725b1Sbonwick * dmu_sync() the block we just wrote. 2158e05725b1Sbonwick */ 2159e05725b1Sbonwick (void) mutex_lock(lp); 2160fa9e4066Sahrens 2161e05725b1Sbonwick blkoff = P2ALIGN_TYPED(off, bs, uint64_t); 2162e05725b1Sbonwick error = dmu_buf_hold(os, ZTEST_DIROBJ, blkoff, FTAG, &db); 2163e05725b1Sbonwick za->za_dbuf = db; 2164e05725b1Sbonwick if (error) { 2165fa9e4066Sahrens (void) mutex_unlock(lp); 2166e05725b1Sbonwick return; 2167e05725b1Sbonwick } 2168e05725b1Sbonwick blkoff = off - blkoff; 2169f4a72450SJeff Bonwick error = dmu_sync(NULL, db, &blk, txg, NULL, NULL); 2170e05725b1Sbonwick dmu_buf_rele(db, FTAG); 2171e05725b1Sbonwick za->za_dbuf = NULL; 2172fa9e4066Sahrens 2173e05725b1Sbonwick (void) mutex_unlock(lp); 2174fa9e4066Sahrens 21758ad4d6ddSJeff Bonwick if (error) 2176e05725b1Sbonwick return; 2177fa9e4066Sahrens 2178e05725b1Sbonwick if (blk.blk_birth == 0) /* concurrent free */ 2179e05725b1Sbonwick return; 2180fa9e4066Sahrens 2181e05725b1Sbonwick txg_suspend(dmu_objset_pool(os)); 2182fa9e4066Sahrens 2183e05725b1Sbonwick ASSERT(blk.blk_fill == 1); 2184e05725b1Sbonwick ASSERT3U(BP_GET_TYPE(&blk), ==, DMU_OT_UINT64_OTHER); 2185e05725b1Sbonwick ASSERT3U(BP_GET_LEVEL(&blk), ==, 0); 2186e05725b1Sbonwick ASSERT3U(BP_GET_LSIZE(&blk), ==, bs); 2187fa9e4066Sahrens 2188e05725b1Sbonwick /* 2189e05725b1Sbonwick * Read the block that dmu_sync() returned to make sure its contents 2190e05725b1Sbonwick * match what we wrote. We do this while still txg_suspend()ed 2191e05725b1Sbonwick * to ensure that the block can't be reused before we read it. 2192e05725b1Sbonwick */ 2193e05725b1Sbonwick zb.zb_objset = dmu_objset_id(os); 2194e05725b1Sbonwick zb.zb_object = ZTEST_DIROBJ; 2195e05725b1Sbonwick zb.zb_level = 0; 2196e05725b1Sbonwick zb.zb_blkid = off / bs; 2197e05725b1Sbonwick error = zio_wait(zio_read(NULL, za->za_spa, &blk, iobuf, bs, 2198e05725b1Sbonwick NULL, NULL, ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_MUSTSUCCEED, &zb)); 2199e05725b1Sbonwick ASSERT3U(error, ==, 0); 2200fa9e4066Sahrens 2201e05725b1Sbonwick txg_resume(dmu_objset_pool(os)); 2202fa9e4066Sahrens 2203e05725b1Sbonwick bcopy(&iobuf[blkoff], rbt, btsize); 2204fa9e4066Sahrens 2205e05725b1Sbonwick if (rbt->bt_objset == 0) /* concurrent free */ 2206e05725b1Sbonwick return; 22070e34b6a7Sbonwick 2208f4a72450SJeff Bonwick if (wbt->bt_objset == 0) /* all-zero overwrite */ 2209f4a72450SJeff Bonwick return; 2210f4a72450SJeff Bonwick 2211e05725b1Sbonwick ASSERT3U(rbt->bt_objset, ==, wbt->bt_objset); 2212e05725b1Sbonwick ASSERT3U(rbt->bt_object, ==, wbt->bt_object); 2213e05725b1Sbonwick ASSERT3U(rbt->bt_offset, ==, wbt->bt_offset); 2214fa9e4066Sahrens 2215e05725b1Sbonwick /* 2216e05725b1Sbonwick * The semantic of dmu_sync() is that we always push the most recent 2217e05725b1Sbonwick * version of the data, so in the face of concurrent updates we may 2218e05725b1Sbonwick * see a newer version of the block. That's OK. 2219e05725b1Sbonwick */ 2220e05725b1Sbonwick ASSERT3U(rbt->bt_txg, >=, wbt->bt_txg); 2221e05725b1Sbonwick if (rbt->bt_thread == wbt->bt_thread) 2222e05725b1Sbonwick ASSERT3U(rbt->bt_seq, ==, wbt->bt_seq); 2223e05725b1Sbonwick else 2224e05725b1Sbonwick ASSERT3U(rbt->bt_seq, >, wbt->bt_seq); 2225fa9e4066Sahrens } 2226fa9e4066Sahrens 2227fa9e4066Sahrens /* 2228fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 2229fa9e4066Sahrens */ 2230fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 2231fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 2232fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 2233fa9e4066Sahrens 2234fa9e4066Sahrens void 2235fa9e4066Sahrens ztest_zap(ztest_args_t *za) 2236fa9e4066Sahrens { 2237fa9e4066Sahrens objset_t *os = za->za_os; 2238fa9e4066Sahrens uint64_t object; 2239fa9e4066Sahrens uint64_t txg, last_txg; 2240fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 2241fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 2242fa9e4066Sahrens int i, ints; 2243fa9e4066Sahrens dmu_tx_t *tx; 2244fa9e4066Sahrens char propname[100], txgname[100]; 2245fa9e4066Sahrens int error; 2246fa9e4066Sahrens char osname[MAXNAMELEN]; 2247fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 2248fa9e4066Sahrens 2249fa9e4066Sahrens dmu_objset_name(os, osname); 2250fa9e4066Sahrens 2251fa9e4066Sahrens /* 2252fa9e4066Sahrens * Create a new object if necessary, and record it in the directory. 2253fa9e4066Sahrens */ 2254ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 2255ea8dc4b6Seschrock sizeof (uint64_t), &object)); 2256fa9e4066Sahrens 2257fa9e4066Sahrens if (object == 0) { 2258fa9e4066Sahrens tx = dmu_tx_create(os); 2259fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 2260fa9e4066Sahrens sizeof (uint64_t)); 2261ea8dc4b6Seschrock dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, TRUE, NULL); 2262fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2263fa9e4066Sahrens if (error) { 2264fa9e4066Sahrens ztest_record_enospc("create zap test obj"); 2265fa9e4066Sahrens dmu_tx_abort(tx); 2266fa9e4066Sahrens return; 2267fa9e4066Sahrens } 2268fa9e4066Sahrens object = zap_create(os, DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx); 2269fa9e4066Sahrens if (error) { 2270fa9e4066Sahrens fatal(0, "zap_create('%s', %llu) = %d", 2271fa9e4066Sahrens osname, object, error); 2272fa9e4066Sahrens } 2273fa9e4066Sahrens ASSERT(object != 0); 2274fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 2275fa9e4066Sahrens sizeof (uint64_t), &object, tx); 2276fa9e4066Sahrens /* 2277fa9e4066Sahrens * Generate a known hash collision, and verify that 2278fa9e4066Sahrens * we can lookup and remove both entries. 2279fa9e4066Sahrens */ 2280fa9e4066Sahrens for (i = 0; i < 2; i++) { 2281fa9e4066Sahrens value[i] = i; 2282fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2283fa9e4066Sahrens 1, &value[i], tx); 2284fa9e4066Sahrens ASSERT3U(error, ==, 0); 2285fa9e4066Sahrens } 2286fa9e4066Sahrens for (i = 0; i < 2; i++) { 2287fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2288fa9e4066Sahrens 1, &value[i], tx); 2289fa9e4066Sahrens ASSERT3U(error, ==, EEXIST); 2290fa9e4066Sahrens error = zap_length(os, object, hc[i], 2291fa9e4066Sahrens &zl_intsize, &zl_ints); 2292fa9e4066Sahrens ASSERT3U(error, ==, 0); 2293fa9e4066Sahrens ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2294fa9e4066Sahrens ASSERT3U(zl_ints, ==, 1); 2295fa9e4066Sahrens } 2296fa9e4066Sahrens for (i = 0; i < 2; i++) { 2297fa9e4066Sahrens error = zap_remove(os, object, hc[i], tx); 2298fa9e4066Sahrens ASSERT3U(error, ==, 0); 2299fa9e4066Sahrens } 2300fa9e4066Sahrens 2301fa9e4066Sahrens dmu_tx_commit(tx); 2302fa9e4066Sahrens } 2303fa9e4066Sahrens 2304fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 2305fa9e4066Sahrens 2306e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2307e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2308e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2309e05725b1Sbonwick bzero(value, sizeof (value)); 2310e05725b1Sbonwick last_txg = 0; 2311fa9e4066Sahrens 2312e05725b1Sbonwick /* 2313e05725b1Sbonwick * If these zap entries already exist, validate their contents. 2314e05725b1Sbonwick */ 2315e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2316e05725b1Sbonwick if (error == 0) { 2317e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2318e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 2319fa9e4066Sahrens 2320e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 2321e05725b1Sbonwick zl_ints, &last_txg) == 0); 2322fa9e4066Sahrens 2323e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 2324e05725b1Sbonwick &zl_ints) == 0); 2325fa9e4066Sahrens 2326e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2327e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 2328fa9e4066Sahrens 2329e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 2330e05725b1Sbonwick zl_ints, value) == 0); 2331fa9e4066Sahrens 2332e05725b1Sbonwick for (i = 0; i < ints; i++) { 2333e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 2334fa9e4066Sahrens } 2335e05725b1Sbonwick } else { 2336e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 2337e05725b1Sbonwick } 2338fa9e4066Sahrens 2339e05725b1Sbonwick /* 2340e05725b1Sbonwick * Atomically update two entries in our zap object. 2341e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 2342e05725b1Sbonwick * in which the property was last updated. The second 2343e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 2344e05725b1Sbonwick * should be txg + object + n. 2345e05725b1Sbonwick */ 2346e05725b1Sbonwick tx = dmu_tx_create(os); 2347e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2348e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2349e05725b1Sbonwick if (error) { 2350e05725b1Sbonwick ztest_record_enospc("create zap entry"); 2351e05725b1Sbonwick dmu_tx_abort(tx); 2352e05725b1Sbonwick return; 2353e05725b1Sbonwick } 2354e05725b1Sbonwick txg = dmu_tx_get_txg(tx); 2355fa9e4066Sahrens 2356e05725b1Sbonwick if (last_txg > txg) 2357e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 2358fa9e4066Sahrens 2359e05725b1Sbonwick for (i = 0; i < ints; i++) 2360e05725b1Sbonwick value[i] = txg + object + i; 2361fa9e4066Sahrens 2362e05725b1Sbonwick error = zap_update(os, object, txgname, sizeof (uint64_t), 1, &txg, tx); 2363e05725b1Sbonwick if (error) 2364e05725b1Sbonwick fatal(0, "zap_update('%s', %llu, '%s') = %d", 2365e05725b1Sbonwick osname, object, txgname, error); 2366fa9e4066Sahrens 2367e05725b1Sbonwick error = zap_update(os, object, propname, sizeof (uint64_t), 2368e05725b1Sbonwick ints, value, tx); 2369e05725b1Sbonwick if (error) 2370e05725b1Sbonwick fatal(0, "zap_update('%s', %llu, '%s') = %d", 2371e05725b1Sbonwick osname, object, propname, error); 2372fa9e4066Sahrens 2373e05725b1Sbonwick dmu_tx_commit(tx); 2374fa9e4066Sahrens 2375e05725b1Sbonwick /* 2376e05725b1Sbonwick * Remove a random pair of entries. 2377e05725b1Sbonwick */ 2378e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2379e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2380e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2381fa9e4066Sahrens 2382e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2383fa9e4066Sahrens 2384e05725b1Sbonwick if (error == ENOENT) 2385e05725b1Sbonwick return; 2386fa9e4066Sahrens 2387e05725b1Sbonwick ASSERT3U(error, ==, 0); 2388fa9e4066Sahrens 2389e05725b1Sbonwick tx = dmu_tx_create(os); 2390e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2391e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2392e05725b1Sbonwick if (error) { 2393e05725b1Sbonwick ztest_record_enospc("remove zap entry"); 2394e05725b1Sbonwick dmu_tx_abort(tx); 2395e05725b1Sbonwick return; 2396e05725b1Sbonwick } 2397e05725b1Sbonwick error = zap_remove(os, object, txgname, tx); 2398e05725b1Sbonwick if (error) 2399e05725b1Sbonwick fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2400e05725b1Sbonwick osname, object, txgname, error); 2401fa9e4066Sahrens 2402e05725b1Sbonwick error = zap_remove(os, object, propname, tx); 2403e05725b1Sbonwick if (error) 2404e05725b1Sbonwick fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2405e05725b1Sbonwick osname, object, propname, error); 2406fa9e4066Sahrens 2407e05725b1Sbonwick dmu_tx_commit(tx); 2408fa9e4066Sahrens 2409fa9e4066Sahrens /* 2410fa9e4066Sahrens * Once in a while, destroy the object. 2411fa9e4066Sahrens */ 2412e05725b1Sbonwick if (ztest_random(1000) != 0) 2413fa9e4066Sahrens return; 2414fa9e4066Sahrens 2415fa9e4066Sahrens tx = dmu_tx_create(os); 2416fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t)); 2417fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 2418fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2419fa9e4066Sahrens if (error) { 2420fa9e4066Sahrens ztest_record_enospc("destroy zap object"); 2421fa9e4066Sahrens dmu_tx_abort(tx); 2422fa9e4066Sahrens return; 2423fa9e4066Sahrens } 2424fa9e4066Sahrens error = zap_destroy(os, object, tx); 2425fa9e4066Sahrens if (error) 2426fa9e4066Sahrens fatal(0, "zap_destroy('%s', %llu) = %d", 2427fa9e4066Sahrens osname, object, error); 2428fa9e4066Sahrens object = 0; 2429fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), 2430fa9e4066Sahrens &object, tx); 2431fa9e4066Sahrens dmu_tx_commit(tx); 2432fa9e4066Sahrens } 2433fa9e4066Sahrens 2434fa9e4066Sahrens void 2435fa9e4066Sahrens ztest_zap_parallel(ztest_args_t *za) 2436fa9e4066Sahrens { 2437fa9e4066Sahrens objset_t *os = za->za_os; 2438fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 2439fa9e4066Sahrens dmu_tx_t *tx; 2440fa9e4066Sahrens int i, namelen, error; 2441fa9e4066Sahrens char name[20], string_value[20]; 2442fa9e4066Sahrens void *data; 2443fa9e4066Sahrens 2444e05725b1Sbonwick /* 2445e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 2446e05725b1Sbonwick * x is a random printable character and the dots are dots. 2447e05725b1Sbonwick * There are 94 such characters, and the name length goes from 2448e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 2449e05725b1Sbonwick */ 2450e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 2451fa9e4066Sahrens 2452e05725b1Sbonwick for (i = 0; i < 3; i++) 2453e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 2454e05725b1Sbonwick for (; i < namelen - 1; i++) 2455e05725b1Sbonwick name[i] = '.'; 2456e05725b1Sbonwick name[i] = '\0'; 2457fa9e4066Sahrens 2458e05725b1Sbonwick if (ztest_random(2) == 0) 2459e05725b1Sbonwick object = ZTEST_MICROZAP_OBJ; 2460e05725b1Sbonwick else 2461e05725b1Sbonwick object = ZTEST_FATZAP_OBJ; 2462fa9e4066Sahrens 2463e05725b1Sbonwick if ((namelen & 1) || object == ZTEST_MICROZAP_OBJ) { 2464e05725b1Sbonwick wsize = sizeof (txg); 2465e05725b1Sbonwick wc = 1; 2466e05725b1Sbonwick data = &txg; 2467e05725b1Sbonwick } else { 2468e05725b1Sbonwick wsize = 1; 2469e05725b1Sbonwick wc = namelen; 2470e05725b1Sbonwick data = string_value; 2471e05725b1Sbonwick } 2472fa9e4066Sahrens 2473e05725b1Sbonwick count = -1ULL; 2474e05725b1Sbonwick VERIFY(zap_count(os, object, &count) == 0); 2475e05725b1Sbonwick ASSERT(count != -1ULL); 2476fa9e4066Sahrens 2477e05725b1Sbonwick /* 2478e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 2479e05725b1Sbonwick */ 2480e05725b1Sbonwick i = ztest_random(5); 2481e05725b1Sbonwick 2482e05725b1Sbonwick if (i >= 2) { 2483e05725b1Sbonwick tx = dmu_tx_create(os); 2484e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2485e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2486e05725b1Sbonwick if (error) { 2487e05725b1Sbonwick ztest_record_enospc("zap parallel"); 2488e05725b1Sbonwick dmu_tx_abort(tx); 2489e05725b1Sbonwick return; 2490fa9e4066Sahrens } 2491e05725b1Sbonwick txg = dmu_tx_get_txg(tx); 2492e05725b1Sbonwick bcopy(name, string_value, namelen); 2493e05725b1Sbonwick } else { 2494e05725b1Sbonwick tx = NULL; 2495e05725b1Sbonwick txg = 0; 2496e05725b1Sbonwick bzero(string_value, namelen); 2497e05725b1Sbonwick } 2498fa9e4066Sahrens 2499e05725b1Sbonwick switch (i) { 2500fa9e4066Sahrens 2501e05725b1Sbonwick case 0: 2502e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 2503e05725b1Sbonwick if (error == 0) { 2504e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 2505e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 2506e05725b1Sbonwick } else { 2507e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 2508e05725b1Sbonwick } 2509e05725b1Sbonwick break; 2510fa9e4066Sahrens 2511e05725b1Sbonwick case 1: 2512e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 2513e05725b1Sbonwick if (error == 0) { 2514e05725b1Sbonwick if (data == string_value && 2515e05725b1Sbonwick bcmp(name, data, namelen) != 0) 2516e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 2517e05725b1Sbonwick name, data, namelen); 2518e05725b1Sbonwick } else { 2519e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 2520e05725b1Sbonwick } 2521e05725b1Sbonwick break; 2522fa9e4066Sahrens 2523e05725b1Sbonwick case 2: 2524e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 2525e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 2526e05725b1Sbonwick break; 2527fa9e4066Sahrens 2528e05725b1Sbonwick case 3: 2529e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 2530e05725b1Sbonwick break; 2531fa9e4066Sahrens 2532e05725b1Sbonwick case 4: 2533e05725b1Sbonwick error = zap_remove(os, object, name, tx); 2534e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 2535e05725b1Sbonwick break; 2536fa9e4066Sahrens } 2537e05725b1Sbonwick 2538e05725b1Sbonwick if (tx != NULL) 2539e05725b1Sbonwick dmu_tx_commit(tx); 2540fa9e4066Sahrens } 2541fa9e4066Sahrens 2542fa9e4066Sahrens void 2543fa9e4066Sahrens ztest_dsl_prop_get_set(ztest_args_t *za) 2544fa9e4066Sahrens { 2545fa9e4066Sahrens objset_t *os = za->za_os; 2546fa9e4066Sahrens int i, inherit; 2547fa9e4066Sahrens uint64_t value; 2548fa9e4066Sahrens const char *prop, *valname; 2549fa9e4066Sahrens char setpoint[MAXPATHLEN]; 2550fa9e4066Sahrens char osname[MAXNAMELEN]; 2551ea8dc4b6Seschrock int error; 2552fa9e4066Sahrens 2553fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 2554fa9e4066Sahrens 2555fa9e4066Sahrens dmu_objset_name(os, osname); 2556fa9e4066Sahrens 2557fa9e4066Sahrens for (i = 0; i < 2; i++) { 2558fa9e4066Sahrens if (i == 0) { 2559fa9e4066Sahrens prop = "checksum"; 2560fa9e4066Sahrens value = ztest_random_checksum(); 2561fa9e4066Sahrens inherit = (value == ZIO_CHECKSUM_INHERIT); 2562fa9e4066Sahrens } else { 2563fa9e4066Sahrens prop = "compression"; 2564fa9e4066Sahrens value = ztest_random_compress(); 2565fa9e4066Sahrens inherit = (value == ZIO_COMPRESS_INHERIT); 2566fa9e4066Sahrens } 2567fa9e4066Sahrens 2568ea8dc4b6Seschrock error = dsl_prop_set(osname, prop, sizeof (value), 2569ea8dc4b6Seschrock !inherit, &value); 2570ea8dc4b6Seschrock 2571ea8dc4b6Seschrock if (error == ENOSPC) { 2572ea8dc4b6Seschrock ztest_record_enospc("dsl_prop_set"); 2573ea8dc4b6Seschrock break; 2574ea8dc4b6Seschrock } 2575ea8dc4b6Seschrock 2576ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 2577fa9e4066Sahrens 2578fa9e4066Sahrens VERIFY3U(dsl_prop_get(osname, prop, sizeof (value), 2579fa9e4066Sahrens 1, &value, setpoint), ==, 0); 2580fa9e4066Sahrens 2581fa9e4066Sahrens if (i == 0) 2582fa9e4066Sahrens valname = zio_checksum_table[value].ci_name; 2583fa9e4066Sahrens else 2584fa9e4066Sahrens valname = zio_compress_table[value].ci_name; 2585fa9e4066Sahrens 2586fa9e4066Sahrens if (zopt_verbose >= 6) { 2587fa9e4066Sahrens (void) printf("%s %s = %s for '%s'\n", 2588fa9e4066Sahrens osname, prop, valname, setpoint); 2589fa9e4066Sahrens } 2590fa9e4066Sahrens } 2591fa9e4066Sahrens 2592fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 2593fa9e4066Sahrens } 2594fa9e4066Sahrens 2595fa9e4066Sahrens /* 2596fa9e4066Sahrens * Inject random faults into the on-disk data. 2597fa9e4066Sahrens */ 2598fa9e4066Sahrens void 2599fa9e4066Sahrens ztest_fault_inject(ztest_args_t *za) 2600fa9e4066Sahrens { 2601fa9e4066Sahrens int fd; 2602fa9e4066Sahrens uint64_t offset; 2603fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 2604fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 2605fa9e4066Sahrens uint64_t top, leaf; 2606fa9e4066Sahrens char path0[MAXPATHLEN]; 2607fa9e4066Sahrens char pathrand[MAXPATHLEN]; 2608fa9e4066Sahrens size_t fsize; 2609e05725b1Sbonwick spa_t *spa = za->za_spa; 2610fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 2611fa9e4066Sahrens int iters = 1000; 2612e14bb325SJeff Bonwick int maxfaults = zopt_maxfaults; 2613e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 2614ea8dc4b6Seschrock uint64_t guid0 = 0; 2615ea8dc4b6Seschrock 2616e14bb325SJeff Bonwick ASSERT(leaves >= 1); 2617fa9e4066Sahrens 2618fa9e4066Sahrens /* 2619e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 2620fa9e4066Sahrens */ 2621e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2622fa9e4066Sahrens 2623e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 2624e14bb325SJeff Bonwick /* 2625e14bb325SJeff Bonwick * Inject errors on a normal data device. 2626e14bb325SJeff Bonwick */ 2627e14bb325SJeff Bonwick top = ztest_random(spa->spa_root_vdev->vdev_children); 2628e14bb325SJeff Bonwick leaf = ztest_random(leaves); 2629fa9e4066Sahrens 2630e14bb325SJeff Bonwick /* 2631e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 2632e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 2633e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 2634e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 2635e14bb325SJeff Bonwick */ 2636e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 2637e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + 0); 2638e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 2639e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 2640fa9e4066Sahrens 2641e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 2642e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 2643e14bb325SJeff Bonwick /* 2644e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 2645e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 2646e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 2647e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 2648e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 2649e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 2650e14bb325SJeff Bonwick * combination of this with injection of random data 2651e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 2652e14bb325SJeff Bonwick */ 2653e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 2654e14bb325SJeff Bonwick 2655e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 2656e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 2657e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 2658e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 2659e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 2660e14bb325SJeff Bonwick } else { 2661e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 2662e14bb325SJeff Bonwick } 2663e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 2664e14bb325SJeff Bonwick } 2665e14bb325SJeff Bonwick } else { 2666e14bb325SJeff Bonwick /* 2667e14bb325SJeff Bonwick * Inject errors on an l2cache device. 2668e14bb325SJeff Bonwick */ 2669e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 2670fa9e4066Sahrens 2671e14bb325SJeff Bonwick if (sav->sav_count == 0) { 2672e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 2673e14bb325SJeff Bonwick return; 2674e14bb325SJeff Bonwick } 2675e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 2676ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 2677e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 2678e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 2679e14bb325SJeff Bonwick 2680e14bb325SJeff Bonwick leaf = 0; 2681e14bb325SJeff Bonwick leaves = 1; 2682e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 2683fa9e4066Sahrens } 2684fa9e4066Sahrens 2685e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 2686e14bb325SJeff Bonwick 2687e14bb325SJeff Bonwick if (maxfaults == 0) 2688e14bb325SJeff Bonwick return; 2689fa9e4066Sahrens 2690fa9e4066Sahrens /* 2691ea8dc4b6Seschrock * If we can tolerate two or more faults, randomly online/offline vd0. 2692fa9e4066Sahrens */ 2693e14bb325SJeff Bonwick if (maxfaults >= 2 && guid0 != 0) { 26948ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 26958ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 26968ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 26978ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 26988ad4d6ddSJeff Bonwick } else { 26998ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 27008ad4d6ddSJeff Bonwick } 2701fa9e4066Sahrens } 2702fa9e4066Sahrens 2703fa9e4066Sahrens /* 2704ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 2705fa9e4066Sahrens */ 2706fa9e4066Sahrens fd = open(pathrand, O_RDWR); 2707fa9e4066Sahrens 2708fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 2709fa9e4066Sahrens return; 2710fa9e4066Sahrens 2711fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 2712fa9e4066Sahrens 2713fa9e4066Sahrens while (--iters != 0) { 2714fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 2715fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 2716fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 2717fa9e4066Sahrens 2718fa9e4066Sahrens if (offset >= fsize) 2719fa9e4066Sahrens continue; 2720fa9e4066Sahrens 2721fa9e4066Sahrens if (zopt_verbose >= 6) 2722fa9e4066Sahrens (void) printf("injecting bad word into %s," 2723fa9e4066Sahrens " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 2724fa9e4066Sahrens 2725fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 2726fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 2727fa9e4066Sahrens offset, pathrand); 2728fa9e4066Sahrens } 2729fa9e4066Sahrens 2730fa9e4066Sahrens (void) close(fd); 2731fa9e4066Sahrens } 2732fa9e4066Sahrens 2733fa9e4066Sahrens /* 2734fa9e4066Sahrens * Scrub the pool. 2735fa9e4066Sahrens */ 2736fa9e4066Sahrens void 2737fa9e4066Sahrens ztest_scrub(ztest_args_t *za) 2738fa9e4066Sahrens { 2739e05725b1Sbonwick spa_t *spa = za->za_spa; 2740fa9e4066Sahrens 2741088f3894Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 2742fa9e4066Sahrens (void) poll(NULL, 0, 1000); /* wait a second, then force a restart */ 2743088f3894Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 2744fa9e4066Sahrens } 2745fa9e4066Sahrens 2746fa9e4066Sahrens /* 2747fa9e4066Sahrens * Rename the pool to a different name and then rename it back. 2748fa9e4066Sahrens */ 2749fa9e4066Sahrens void 2750fa9e4066Sahrens ztest_spa_rename(ztest_args_t *za) 2751fa9e4066Sahrens { 2752fa9e4066Sahrens char *oldname, *newname; 2753fa9e4066Sahrens int error; 2754fa9e4066Sahrens spa_t *spa; 2755fa9e4066Sahrens 2756fa9e4066Sahrens (void) rw_wrlock(&ztest_shared->zs_name_lock); 2757fa9e4066Sahrens 2758fa9e4066Sahrens oldname = za->za_pool; 2759fa9e4066Sahrens newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 2760fa9e4066Sahrens (void) strcpy(newname, oldname); 2761fa9e4066Sahrens (void) strcat(newname, "_tmp"); 2762fa9e4066Sahrens 2763fa9e4066Sahrens /* 2764fa9e4066Sahrens * Do the rename 2765fa9e4066Sahrens */ 2766fa9e4066Sahrens error = spa_rename(oldname, newname); 2767fa9e4066Sahrens if (error) 2768fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", oldname, 2769fa9e4066Sahrens newname, error); 2770fa9e4066Sahrens 2771fa9e4066Sahrens /* 2772fa9e4066Sahrens * Try to open it under the old name, which shouldn't exist 2773fa9e4066Sahrens */ 2774fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2775fa9e4066Sahrens if (error != ENOENT) 2776fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 2777fa9e4066Sahrens 2778fa9e4066Sahrens /* 2779fa9e4066Sahrens * Open it under the new name and make sure it's still the same spa_t. 2780fa9e4066Sahrens */ 2781fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 2782fa9e4066Sahrens if (error != 0) 2783fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 2784fa9e4066Sahrens 2785e05725b1Sbonwick ASSERT(spa == za->za_spa); 2786fa9e4066Sahrens spa_close(spa, FTAG); 2787fa9e4066Sahrens 2788fa9e4066Sahrens /* 2789fa9e4066Sahrens * Rename it back to the original 2790fa9e4066Sahrens */ 2791fa9e4066Sahrens error = spa_rename(newname, oldname); 2792fa9e4066Sahrens if (error) 2793fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", newname, 2794fa9e4066Sahrens oldname, error); 2795fa9e4066Sahrens 2796fa9e4066Sahrens /* 2797fa9e4066Sahrens * Make sure it can still be opened 2798fa9e4066Sahrens */ 2799fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2800fa9e4066Sahrens if (error != 0) 2801fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 2802fa9e4066Sahrens 2803e05725b1Sbonwick ASSERT(spa == za->za_spa); 2804fa9e4066Sahrens spa_close(spa, FTAG); 2805fa9e4066Sahrens 2806fa9e4066Sahrens umem_free(newname, strlen(newname) + 1); 2807fa9e4066Sahrens 2808fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 2809fa9e4066Sahrens } 2810fa9e4066Sahrens 2811fa9e4066Sahrens 2812fa9e4066Sahrens /* 2813fa9e4066Sahrens * Completely obliterate one disk. 2814fa9e4066Sahrens */ 2815fa9e4066Sahrens static void 2816fa9e4066Sahrens ztest_obliterate_one_disk(uint64_t vdev) 2817fa9e4066Sahrens { 2818fa9e4066Sahrens int fd; 2819d80c45e0Sbonwick char dev_name[MAXPATHLEN], copy_name[MAXPATHLEN]; 2820fa9e4066Sahrens size_t fsize; 2821fa9e4066Sahrens 2822fa9e4066Sahrens if (zopt_maxfaults < 2) 2823fa9e4066Sahrens return; 2824fa9e4066Sahrens 2825fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 2826d80c45e0Sbonwick (void) snprintf(copy_name, MAXPATHLEN, "%s.old", dev_name); 2827fa9e4066Sahrens 2828fa9e4066Sahrens fd = open(dev_name, O_RDWR); 2829fa9e4066Sahrens 2830fa9e4066Sahrens if (fd == -1) 2831fa9e4066Sahrens fatal(1, "can't open %s", dev_name); 2832fa9e4066Sahrens 2833fa9e4066Sahrens /* 2834fa9e4066Sahrens * Determine the size. 2835fa9e4066Sahrens */ 2836fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 2837d80c45e0Sbonwick 2838fa9e4066Sahrens (void) close(fd); 2839fa9e4066Sahrens 2840fa9e4066Sahrens /* 2841d80c45e0Sbonwick * Rename the old device to dev_name.old (useful for debugging). 2842fa9e4066Sahrens */ 2843d80c45e0Sbonwick VERIFY(rename(dev_name, copy_name) == 0); 2844fa9e4066Sahrens 2845fa9e4066Sahrens /* 2846fa9e4066Sahrens * Create a new one. 2847fa9e4066Sahrens */ 2848fa9e4066Sahrens VERIFY((fd = open(dev_name, O_RDWR | O_CREAT | O_TRUNC, 0666)) >= 0); 2849fa9e4066Sahrens VERIFY(ftruncate(fd, fsize) == 0); 2850fa9e4066Sahrens (void) close(fd); 2851fa9e4066Sahrens } 2852fa9e4066Sahrens 2853fa9e4066Sahrens static void 2854fa9e4066Sahrens ztest_replace_one_disk(spa_t *spa, uint64_t vdev) 2855fa9e4066Sahrens { 2856fa9e4066Sahrens char dev_name[MAXPATHLEN]; 2857e14bb325SJeff Bonwick nvlist_t *root; 2858fa9e4066Sahrens int error; 2859ea8dc4b6Seschrock uint64_t guid; 2860ea8dc4b6Seschrock vdev_t *vd; 2861fa9e4066Sahrens 2862fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 2863fa9e4066Sahrens 2864fa9e4066Sahrens /* 2865fa9e4066Sahrens * Build the nvlist describing dev_name. 2866fa9e4066Sahrens */ 2867e14bb325SJeff Bonwick root = make_vdev_root(dev_name, NULL, 0, 0, 0, 0, 0, 1); 2868fa9e4066Sahrens 2869e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2870ea8dc4b6Seschrock if ((vd = vdev_lookup_by_path(spa->spa_root_vdev, dev_name)) == NULL) 2871ea8dc4b6Seschrock guid = 0; 2872ea8dc4b6Seschrock else 2873ea8dc4b6Seschrock guid = vd->vdev_guid; 2874e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2875ea8dc4b6Seschrock error = spa_vdev_attach(spa, guid, root, B_TRUE); 2876ecc2d604Sbonwick if (error != 0 && 2877ecc2d604Sbonwick error != EBUSY && 2878ecc2d604Sbonwick error != ENOTSUP && 2879ecc2d604Sbonwick error != ENODEV && 2880ecc2d604Sbonwick error != EDOM) 2881fa9e4066Sahrens fatal(0, "spa_vdev_attach(in-place) = %d", error); 2882fa9e4066Sahrens 2883fa9e4066Sahrens nvlist_free(root); 2884fa9e4066Sahrens } 2885fa9e4066Sahrens 2886fa9e4066Sahrens static void 2887fa9e4066Sahrens ztest_verify_blocks(char *pool) 2888fa9e4066Sahrens { 2889fa9e4066Sahrens int status; 2890fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 2891fa9e4066Sahrens char zbuf[1024]; 2892fa9e4066Sahrens char *bin; 28938654d025Sperrin char *ztest; 28948654d025Sperrin char *isa; 28958654d025Sperrin int isalen; 2896fa9e4066Sahrens FILE *fp; 2897fa9e4066Sahrens 2898fa9e4066Sahrens (void) realpath(getexecname(), zdb); 2899fa9e4066Sahrens 2900fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 2901fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 29028654d025Sperrin ztest = strstr(bin, "/ztest"); 29038654d025Sperrin isa = bin + 8; 29048654d025Sperrin isalen = ztest - isa; 29058654d025Sperrin isa = strdup(isa); 2906fa9e4066Sahrens /* LINTED */ 29073a57275aSck (void) sprintf(bin, 290888b7b0f2SMatthew Ahrens "/usr/sbin%.*s/zdb -bc%s%s -U /tmp/zpool.cache %s", 29098654d025Sperrin isalen, 29108654d025Sperrin isa, 2911fa9e4066Sahrens zopt_verbose >= 3 ? "s" : "", 2912fa9e4066Sahrens zopt_verbose >= 4 ? "v" : "", 291388b7b0f2SMatthew Ahrens pool); 29148654d025Sperrin free(isa); 2915fa9e4066Sahrens 2916fa9e4066Sahrens if (zopt_verbose >= 5) 2917fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 2918fa9e4066Sahrens 2919fa9e4066Sahrens fp = popen(zdb, "r"); 2920fa9e4066Sahrens 2921fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 2922fa9e4066Sahrens if (zopt_verbose >= 3) 2923fa9e4066Sahrens (void) printf("%s", zbuf); 2924fa9e4066Sahrens 2925fa9e4066Sahrens status = pclose(fp); 2926fa9e4066Sahrens 2927fa9e4066Sahrens if (status == 0) 2928fa9e4066Sahrens return; 2929fa9e4066Sahrens 2930fa9e4066Sahrens ztest_dump_core = 0; 2931fa9e4066Sahrens if (WIFEXITED(status)) 2932fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 2933fa9e4066Sahrens else 2934fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 2935fa9e4066Sahrens } 2936fa9e4066Sahrens 2937fa9e4066Sahrens static void 2938fa9e4066Sahrens ztest_walk_pool_directory(char *header) 2939fa9e4066Sahrens { 2940fa9e4066Sahrens spa_t *spa = NULL; 2941fa9e4066Sahrens 2942fa9e4066Sahrens if (zopt_verbose >= 6) 2943fa9e4066Sahrens (void) printf("%s\n", header); 2944fa9e4066Sahrens 2945fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 2946fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 2947fa9e4066Sahrens if (zopt_verbose >= 6) 2948fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 2949fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 2950fa9e4066Sahrens } 2951fa9e4066Sahrens 2952fa9e4066Sahrens static void 2953fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 2954fa9e4066Sahrens { 29558ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 2956fa9e4066Sahrens uint64_t pool_guid; 2957fa9e4066Sahrens spa_t *spa; 2958fa9e4066Sahrens int error; 2959fa9e4066Sahrens 2960fa9e4066Sahrens if (zopt_verbose >= 4) { 2961fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 2962fa9e4066Sahrens oldname, newname); 2963fa9e4066Sahrens } 2964fa9e4066Sahrens 2965fa9e4066Sahrens /* 2966fa9e4066Sahrens * Clean up from previous runs. 2967fa9e4066Sahrens */ 2968fa9e4066Sahrens (void) spa_destroy(newname); 2969fa9e4066Sahrens 2970fa9e4066Sahrens /* 2971fa9e4066Sahrens * Get the pool's configuration and guid. 2972fa9e4066Sahrens */ 2973fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2974fa9e4066Sahrens if (error) 2975fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 2976fa9e4066Sahrens 29778ad4d6ddSJeff Bonwick /* 29788ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 29798ad4d6ddSJeff Bonwick */ 29808ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 29818ad4d6ddSJeff Bonwick (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 29828ad4d6ddSJeff Bonwick 2983fa9e4066Sahrens pool_guid = spa_guid(spa); 2984fa9e4066Sahrens spa_close(spa, FTAG); 2985fa9e4066Sahrens 2986fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 2987fa9e4066Sahrens 2988fa9e4066Sahrens /* 2989fa9e4066Sahrens * Export it. 2990fa9e4066Sahrens */ 2991394ab0cbSGeorge Wilson error = spa_export(oldname, &config, B_FALSE, B_FALSE); 2992fa9e4066Sahrens if (error) 2993fa9e4066Sahrens fatal(0, "spa_export('%s') = %d", oldname, error); 2994fa9e4066Sahrens 2995fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 2996fa9e4066Sahrens 29978ad4d6ddSJeff Bonwick /* 29988ad4d6ddSJeff Bonwick * Try to import it. 29998ad4d6ddSJeff Bonwick */ 30008ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 30018ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 30028ad4d6ddSJeff Bonwick nvlist_free(newconfig); 30038ad4d6ddSJeff Bonwick 3004fa9e4066Sahrens /* 3005fa9e4066Sahrens * Import it under the new name. 3006fa9e4066Sahrens */ 3007fa9e4066Sahrens error = spa_import(newname, config, NULL); 3008fa9e4066Sahrens if (error) 3009fa9e4066Sahrens fatal(0, "spa_import('%s') = %d", newname, error); 3010fa9e4066Sahrens 3011fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 3012fa9e4066Sahrens 3013fa9e4066Sahrens /* 3014fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 3015fa9e4066Sahrens */ 3016fa9e4066Sahrens error = spa_import(newname, config, NULL); 3017fa9e4066Sahrens if (error != EEXIST) 3018fa9e4066Sahrens fatal(0, "spa_import('%s') twice", newname); 3019fa9e4066Sahrens 3020fa9e4066Sahrens /* 3021fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 3022fa9e4066Sahrens */ 3023fa9e4066Sahrens error = spa_import(oldname, config, NULL); 3024fa9e4066Sahrens if (error != EEXIST) 3025fa9e4066Sahrens fatal(0, "spa_import('%s') under multiple names", newname); 3026fa9e4066Sahrens 3027fa9e4066Sahrens /* 3028fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 3029fa9e4066Sahrens */ 3030fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3031fa9e4066Sahrens if (error != ENOENT) 3032fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3033fa9e4066Sahrens 3034fa9e4066Sahrens /* 3035fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 3036fa9e4066Sahrens */ 3037fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 3038fa9e4066Sahrens if (error) 3039fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3040fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 3041fa9e4066Sahrens spa_close(spa, FTAG); 3042fa9e4066Sahrens 3043fa9e4066Sahrens nvlist_free(config); 3044fa9e4066Sahrens } 3045fa9e4066Sahrens 30468ad4d6ddSJeff Bonwick static void 30478ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 30488ad4d6ddSJeff Bonwick { 30498ad4d6ddSJeff Bonwick if (spa_suspended(spa)) { 30508ad4d6ddSJeff Bonwick spa_vdev_state_enter(spa); 30518ad4d6ddSJeff Bonwick vdev_clear(spa, NULL); 30528ad4d6ddSJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 30538ad4d6ddSJeff Bonwick zio_resume(spa); 30548ad4d6ddSJeff Bonwick } 30558ad4d6ddSJeff Bonwick } 30568ad4d6ddSJeff Bonwick 30570a4e9518Sgw static void * 30588ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 30590a4e9518Sgw { 3060e14bb325SJeff Bonwick spa_t *spa = arg; 30610a4e9518Sgw 30620a4e9518Sgw while (!ztest_exiting) { 3063e14bb325SJeff Bonwick (void) poll(NULL, 0, 1000); 30648ad4d6ddSJeff Bonwick ztest_resume(spa); 30650a4e9518Sgw } 30660a4e9518Sgw return (NULL); 30670a4e9518Sgw } 30680a4e9518Sgw 3069fa9e4066Sahrens static void * 3070fa9e4066Sahrens ztest_thread(void *arg) 3071fa9e4066Sahrens { 3072fa9e4066Sahrens ztest_args_t *za = arg; 3073fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 3074fa9e4066Sahrens hrtime_t now, functime; 3075fa9e4066Sahrens ztest_info_t *zi; 3076e05725b1Sbonwick int f, i; 3077fa9e4066Sahrens 3078fa9e4066Sahrens while ((now = gethrtime()) < za->za_stop) { 3079fa9e4066Sahrens /* 3080fa9e4066Sahrens * See if it's time to force a crash. 3081fa9e4066Sahrens */ 3082fa9e4066Sahrens if (now > za->za_kill) { 3083e05725b1Sbonwick zs->zs_alloc = spa_get_alloc(za->za_spa); 3084e05725b1Sbonwick zs->zs_space = spa_get_space(za->za_spa); 3085fa9e4066Sahrens (void) kill(getpid(), SIGKILL); 3086fa9e4066Sahrens } 3087fa9e4066Sahrens 3088fa9e4066Sahrens /* 3089fa9e4066Sahrens * Pick a random function. 3090fa9e4066Sahrens */ 3091fa9e4066Sahrens f = ztest_random(ZTEST_FUNCS); 3092fa9e4066Sahrens zi = &zs->zs_info[f]; 3093fa9e4066Sahrens 3094fa9e4066Sahrens /* 3095fa9e4066Sahrens * Decide whether to call it, based on the requested frequency. 3096fa9e4066Sahrens */ 3097fa9e4066Sahrens if (zi->zi_call_target == 0 || 3098fa9e4066Sahrens (double)zi->zi_call_total / zi->zi_call_target > 3099fa9e4066Sahrens (double)(now - zs->zs_start_time) / (zopt_time * NANOSEC)) 3100fa9e4066Sahrens continue; 3101fa9e4066Sahrens 3102fa9e4066Sahrens atomic_add_64(&zi->zi_calls, 1); 3103fa9e4066Sahrens atomic_add_64(&zi->zi_call_total, 1); 3104fa9e4066Sahrens 3105fa9e4066Sahrens za->za_diroff = (za->za_instance * ZTEST_FUNCS + f) * 3106fa9e4066Sahrens ZTEST_DIRSIZE; 3107fa9e4066Sahrens za->za_diroff_shared = (1ULL << 63); 3108fa9e4066Sahrens 3109e05725b1Sbonwick for (i = 0; i < zi->zi_iters; i++) 3110e05725b1Sbonwick zi->zi_func(za); 3111fa9e4066Sahrens 3112fa9e4066Sahrens functime = gethrtime() - now; 3113fa9e4066Sahrens 3114fa9e4066Sahrens atomic_add_64(&zi->zi_call_time, functime); 3115fa9e4066Sahrens 3116fa9e4066Sahrens if (zopt_verbose >= 4) { 3117fa9e4066Sahrens Dl_info dli; 3118fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 3119fa9e4066Sahrens (void) printf("%6.2f sec in %s\n", 3120fa9e4066Sahrens (double)functime / NANOSEC, dli.dli_sname); 3121fa9e4066Sahrens } 3122fa9e4066Sahrens 3123fa9e4066Sahrens /* 3124fa9e4066Sahrens * If we're getting ENOSPC with some regularity, stop. 3125fa9e4066Sahrens */ 3126fa9e4066Sahrens if (zs->zs_enospc_count > 10) 3127fa9e4066Sahrens break; 3128fa9e4066Sahrens } 3129fa9e4066Sahrens 3130fa9e4066Sahrens return (NULL); 3131fa9e4066Sahrens } 3132fa9e4066Sahrens 3133fa9e4066Sahrens /* 3134fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 3135fa9e4066Sahrens */ 3136fa9e4066Sahrens static void 3137fa9e4066Sahrens ztest_run(char *pool) 3138fa9e4066Sahrens { 3139fa9e4066Sahrens int t, d, error; 3140fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 3141fa9e4066Sahrens ztest_args_t *za; 3142fa9e4066Sahrens spa_t *spa; 3143fa9e4066Sahrens char name[100]; 3144e14bb325SJeff Bonwick thread_t resume_tid; 3145e14bb325SJeff Bonwick 3146e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 3147fa9e4066Sahrens 3148fa9e4066Sahrens (void) _mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL); 3149fa9e4066Sahrens (void) rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL); 3150fa9e4066Sahrens 3151fa9e4066Sahrens for (t = 0; t < ZTEST_SYNC_LOCKS; t++) 3152fa9e4066Sahrens (void) _mutex_init(&zs->zs_sync_lock[t], USYNC_THREAD, NULL); 3153fa9e4066Sahrens 3154fa9e4066Sahrens /* 3155fa9e4066Sahrens * Destroy one disk before we even start. 3156fa9e4066Sahrens * It's mirrored, so everything should work just fine. 3157fa9e4066Sahrens * This makes us exercise fault handling very early in spa_load(). 3158fa9e4066Sahrens */ 3159fa9e4066Sahrens ztest_obliterate_one_disk(0); 3160fa9e4066Sahrens 3161fa9e4066Sahrens /* 3162fa9e4066Sahrens * Verify that the sum of the sizes of all blocks in the pool 3163fa9e4066Sahrens * equals the SPA's allocated space total. 3164fa9e4066Sahrens */ 3165fa9e4066Sahrens ztest_verify_blocks(pool); 3166fa9e4066Sahrens 3167fa9e4066Sahrens /* 3168fa9e4066Sahrens * Kick off a replacement of the disk we just obliterated. 3169fa9e4066Sahrens */ 3170fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3171e14bb325SJeff Bonwick VERIFY(spa_open(pool, &spa, FTAG) == 0); 3172fa9e4066Sahrens ztest_replace_one_disk(spa, 0); 3173fa9e4066Sahrens if (zopt_verbose >= 5) 3174fa9e4066Sahrens show_pool_stats(spa); 3175fa9e4066Sahrens spa_close(spa, FTAG); 3176fa9e4066Sahrens kernel_fini(); 3177fa9e4066Sahrens 3178fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3179fa9e4066Sahrens 3180fa9e4066Sahrens /* 3181fa9e4066Sahrens * Verify that we can export the pool and reimport it under a 3182fa9e4066Sahrens * different name. 3183fa9e4066Sahrens */ 31840e34b6a7Sbonwick if (ztest_random(2) == 0) { 31850e34b6a7Sbonwick (void) snprintf(name, 100, "%s_import", pool); 31860e34b6a7Sbonwick ztest_spa_import_export(pool, name); 31870e34b6a7Sbonwick ztest_spa_import_export(name, pool); 31880e34b6a7Sbonwick } 3189fa9e4066Sahrens 3190fa9e4066Sahrens /* 3191fa9e4066Sahrens * Verify that we can loop over all pools. 3192fa9e4066Sahrens */ 3193fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 3194fa9e4066Sahrens for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) { 3195fa9e4066Sahrens if (zopt_verbose > 3) { 3196fa9e4066Sahrens (void) printf("spa_next: found %s\n", spa_name(spa)); 3197fa9e4066Sahrens } 3198fa9e4066Sahrens } 3199fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 3200fa9e4066Sahrens 32010a4e9518Sgw /* 3202e14bb325SJeff Bonwick * Open our pool. 32030a4e9518Sgw */ 3204e14bb325SJeff Bonwick VERIFY(spa_open(pool, &spa, FTAG) == 0); 32050a4e9518Sgw 32068ad4d6ddSJeff Bonwick /* 32078ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 32088ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 32098ad4d6ddSJeff Bonwick * the only valid replica. 32108ad4d6ddSJeff Bonwick */ 32118ad4d6ddSJeff Bonwick if (zopt_maxfaults == 0) 32128ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 32138ad4d6ddSJeff Bonwick else 32148ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 32158ad4d6ddSJeff Bonwick 3216fa9e4066Sahrens /* 3217e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 3218fa9e4066Sahrens */ 32198ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 3220e14bb325SJeff Bonwick &resume_tid) == 0); 3221fa9e4066Sahrens 3222fa9e4066Sahrens /* 3223fa9e4066Sahrens * Verify that we can safely inquire about about any object, 3224fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 3225fa9e4066Sahrens * we probe a 5-wide window around each power of two. 3226fa9e4066Sahrens * This hits all edge cases, including zero and the max. 3227fa9e4066Sahrens */ 3228fa9e4066Sahrens for (t = 0; t < 64; t++) { 3229fa9e4066Sahrens for (d = -5; d <= 5; d++) { 3230fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 3231fa9e4066Sahrens (1ULL << t) + d, NULL); 3232ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 3233ea8dc4b6Seschrock error == EINVAL); 3234fa9e4066Sahrens } 3235fa9e4066Sahrens } 3236fa9e4066Sahrens 3237fa9e4066Sahrens /* 3238fa9e4066Sahrens * Now kick off all the tests that run in parallel. 3239fa9e4066Sahrens */ 3240fa9e4066Sahrens zs->zs_enospc_count = 0; 3241fa9e4066Sahrens 3242fa9e4066Sahrens za = umem_zalloc(zopt_threads * sizeof (ztest_args_t), UMEM_NOFAIL); 3243fa9e4066Sahrens 3244fa9e4066Sahrens if (zopt_verbose >= 4) 3245fa9e4066Sahrens (void) printf("starting main threads...\n"); 3246fa9e4066Sahrens 3247fa9e4066Sahrens za[0].za_start = gethrtime(); 3248fa9e4066Sahrens za[0].za_stop = za[0].za_start + zopt_passtime * NANOSEC; 3249fa9e4066Sahrens za[0].za_stop = MIN(za[0].za_stop, zs->zs_stop_time); 3250fa9e4066Sahrens za[0].za_kill = za[0].za_stop; 3251fa9e4066Sahrens if (ztest_random(100) < zopt_killrate) 3252fa9e4066Sahrens za[0].za_kill -= ztest_random(zopt_passtime * NANOSEC); 3253fa9e4066Sahrens 3254fa9e4066Sahrens for (t = 0; t < zopt_threads; t++) { 3255ecc2d604Sbonwick d = t % zopt_datasets; 3256e05725b1Sbonwick 3257e05725b1Sbonwick (void) strcpy(za[t].za_pool, pool); 3258e05725b1Sbonwick za[t].za_os = za[d].za_os; 3259e05725b1Sbonwick za[t].za_spa = spa; 3260e05725b1Sbonwick za[t].za_zilog = za[d].za_zilog; 3261e05725b1Sbonwick za[t].za_instance = t; 3262e05725b1Sbonwick za[t].za_random = ztest_random(-1ULL); 3263e05725b1Sbonwick za[t].za_start = za[0].za_start; 3264e05725b1Sbonwick za[t].za_stop = za[0].za_stop; 3265e05725b1Sbonwick za[t].za_kill = za[0].za_kill; 3266e05725b1Sbonwick 3267ecc2d604Sbonwick if (t < zopt_datasets) { 32684d31c452Smaybee int test_future = FALSE; 3269fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3270fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_%d", pool, pool, d); 3271ab04eb8eStimh error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0, 3272fa9e4066Sahrens ztest_create_cb, NULL); 32734d31c452Smaybee if (error == EEXIST) { 32744d31c452Smaybee test_future = TRUE; 3275e05725b1Sbonwick } else if (error == ENOSPC) { 3276e05725b1Sbonwick zs->zs_enospc_count++; 3277e05725b1Sbonwick (void) rw_unlock(&ztest_shared->zs_name_lock); 3278e05725b1Sbonwick break; 32794d31c452Smaybee } else if (error != 0) { 3280fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", 3281fa9e4066Sahrens name, error); 3282fa9e4066Sahrens } 3283fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, 3284745cd3c5Smaybee DS_MODE_USER, &za[d].za_os); 3285fa9e4066Sahrens if (error) 3286fa9e4066Sahrens fatal(0, "dmu_objset_open('%s') = %d", 3287fa9e4066Sahrens name, error); 3288fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3289e05725b1Sbonwick if (test_future) 3290e05725b1Sbonwick ztest_dmu_check_future_leak(&za[t]); 32911209a471SNeil Perrin zil_replay(za[d].za_os, za[d].za_os, 32921209a471SNeil Perrin ztest_replay_vector); 3293fa9e4066Sahrens za[d].za_zilog = zil_open(za[d].za_os, NULL); 3294fa9e4066Sahrens } 3295fa9e4066Sahrens 3296e14bb325SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, &za[t], THR_BOUND, 3297e14bb325SJeff Bonwick &za[t].za_thread) == 0); 3298fa9e4066Sahrens } 3299fa9e4066Sahrens 3300fa9e4066Sahrens while (--t >= 0) { 3301e14bb325SJeff Bonwick VERIFY(thr_join(za[t].za_thread, NULL, NULL) == 0); 3302ecc2d604Sbonwick if (t < zopt_datasets) { 3303fa9e4066Sahrens zil_close(za[t].za_zilog); 3304fa9e4066Sahrens dmu_objset_close(za[t].za_os); 3305fa9e4066Sahrens } 3306fa9e4066Sahrens } 3307fa9e4066Sahrens 3308fa9e4066Sahrens if (zopt_verbose >= 3) 3309fa9e4066Sahrens show_pool_stats(spa); 3310fa9e4066Sahrens 3311fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 3312fa9e4066Sahrens 3313fa9e4066Sahrens zs->zs_alloc = spa_get_alloc(spa); 3314fa9e4066Sahrens zs->zs_space = spa_get_space(spa); 3315fa9e4066Sahrens 3316fa9e4066Sahrens /* 3317e05725b1Sbonwick * If we had out-of-space errors, destroy a random objset. 3318fa9e4066Sahrens */ 3319fa9e4066Sahrens if (zs->zs_enospc_count != 0) { 3320fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3321e05725b1Sbonwick d = (int)ztest_random(zopt_datasets); 3322e05725b1Sbonwick (void) snprintf(name, 100, "%s/%s_%d", pool, pool, d); 3323fa9e4066Sahrens if (zopt_verbose >= 3) 3324fa9e4066Sahrens (void) printf("Destroying %s to free up space\n", name); 3325e05725b1Sbonwick (void) dmu_objset_find(name, ztest_destroy_cb, &za[d], 33260b69c2f0Sahrens DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 3327fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3328fa9e4066Sahrens } 3329fa9e4066Sahrens 3330ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 3331fa9e4066Sahrens 3332e14bb325SJeff Bonwick umem_free(za, zopt_threads * sizeof (ztest_args_t)); 3333e14bb325SJeff Bonwick 3334e14bb325SJeff Bonwick /* Kill the resume thread */ 3335e14bb325SJeff Bonwick ztest_exiting = B_TRUE; 3336e14bb325SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 33378ad4d6ddSJeff Bonwick ztest_resume(spa); 3338e14bb325SJeff Bonwick 3339fa9e4066Sahrens /* 3340fa9e4066Sahrens * Right before closing the pool, kick off a bunch of async I/O; 3341fa9e4066Sahrens * spa_close() should wait for it to complete. 3342fa9e4066Sahrens */ 3343fa9e4066Sahrens for (t = 1; t < 50; t++) 3344fa9e4066Sahrens dmu_prefetch(spa->spa_meta_objset, t, 0, 1 << 15); 3345fa9e4066Sahrens 3346e05725b1Sbonwick spa_close(spa, FTAG); 3347e05725b1Sbonwick 3348fa9e4066Sahrens kernel_fini(); 3349fa9e4066Sahrens } 3350fa9e4066Sahrens 3351fa9e4066Sahrens void 3352fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 3353fa9e4066Sahrens { 3354fa9e4066Sahrens hrtime_t s = t / NANOSEC; 3355fa9e4066Sahrens hrtime_t m = s / 60; 3356fa9e4066Sahrens hrtime_t h = m / 60; 3357fa9e4066Sahrens hrtime_t d = h / 24; 3358fa9e4066Sahrens 3359fa9e4066Sahrens s -= m * 60; 3360fa9e4066Sahrens m -= h * 60; 3361fa9e4066Sahrens h -= d * 24; 3362fa9e4066Sahrens 3363fa9e4066Sahrens timebuf[0] = '\0'; 3364fa9e4066Sahrens 3365fa9e4066Sahrens if (d) 3366fa9e4066Sahrens (void) sprintf(timebuf, 3367fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 3368fa9e4066Sahrens else if (h) 3369fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 3370fa9e4066Sahrens else if (m) 3371fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 3372fa9e4066Sahrens else 3373fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 3374fa9e4066Sahrens } 3375fa9e4066Sahrens 3376fa9e4066Sahrens /* 3377fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 3378fa9e4066Sahrens * Then create the specified number of datasets in the pool. 3379fa9e4066Sahrens */ 3380fa9e4066Sahrens static void 3381fa9e4066Sahrens ztest_init(char *pool) 3382fa9e4066Sahrens { 3383fa9e4066Sahrens spa_t *spa; 3384fa9e4066Sahrens int error; 3385fa9e4066Sahrens nvlist_t *nvroot; 3386fa9e4066Sahrens 3387fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3388fa9e4066Sahrens 3389fa9e4066Sahrens /* 3390fa9e4066Sahrens * Create the storage pool. 3391fa9e4066Sahrens */ 3392fa9e4066Sahrens (void) spa_destroy(pool); 3393fa9e4066Sahrens ztest_shared->zs_vdev_primaries = 0; 3394e14bb325SJeff Bonwick nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 3395e14bb325SJeff Bonwick 0, zopt_raidz, zopt_mirrors, 1); 33960a48a24eStimh error = spa_create(pool, nvroot, NULL, NULL, NULL); 3397fa9e4066Sahrens nvlist_free(nvroot); 3398fa9e4066Sahrens 3399fa9e4066Sahrens if (error) 3400fa9e4066Sahrens fatal(0, "spa_create() = %d", error); 3401fa9e4066Sahrens error = spa_open(pool, &spa, FTAG); 3402fa9e4066Sahrens if (error) 3403fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 3404fa9e4066Sahrens 3405fa9e4066Sahrens if (zopt_verbose >= 3) 3406fa9e4066Sahrens show_pool_stats(spa); 3407fa9e4066Sahrens 3408fa9e4066Sahrens spa_close(spa, FTAG); 3409fa9e4066Sahrens 3410fa9e4066Sahrens kernel_fini(); 3411fa9e4066Sahrens } 3412fa9e4066Sahrens 3413fa9e4066Sahrens int 3414fa9e4066Sahrens main(int argc, char **argv) 3415fa9e4066Sahrens { 3416fa9e4066Sahrens int kills = 0; 3417fa9e4066Sahrens int iters = 0; 3418fa9e4066Sahrens int i, f; 3419fa9e4066Sahrens ztest_shared_t *zs; 3420fa9e4066Sahrens ztest_info_t *zi; 3421fa9e4066Sahrens char timebuf[100]; 3422fa9e4066Sahrens char numbuf[6]; 3423fa9e4066Sahrens 3424fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 3425fa9e4066Sahrens 3426fa9e4066Sahrens /* Override location of zpool.cache */ 3427c5904d13Seschrock spa_config_path = "/tmp/zpool.cache"; 3428fa9e4066Sahrens 3429fa9e4066Sahrens ztest_random_fd = open("/dev/urandom", O_RDONLY); 3430fa9e4066Sahrens 3431fa9e4066Sahrens process_options(argc, argv); 3432fa9e4066Sahrens 3433ea8dc4b6Seschrock /* 3434ea8dc4b6Seschrock * Blow away any existing copy of zpool.cache 3435ea8dc4b6Seschrock */ 3436ea8dc4b6Seschrock if (zopt_init != 0) 3437ea8dc4b6Seschrock (void) remove("/tmp/zpool.cache"); 3438ea8dc4b6Seschrock 3439fa9e4066Sahrens zs = ztest_shared = (void *)mmap(0, 3440fa9e4066Sahrens P2ROUNDUP(sizeof (ztest_shared_t), getpagesize()), 3441fa9e4066Sahrens PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); 3442fa9e4066Sahrens 3443fa9e4066Sahrens if (zopt_verbose >= 1) { 3444fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 3445fa9e4066Sahrens " %llu seconds...\n", 3446ecc2d604Sbonwick (u_longlong_t)zopt_vdevs, zopt_datasets, zopt_threads, 3447fa9e4066Sahrens (u_longlong_t)zopt_time); 3448fa9e4066Sahrens } 3449fa9e4066Sahrens 3450fa9e4066Sahrens /* 3451fa9e4066Sahrens * Create and initialize our storage pool. 3452fa9e4066Sahrens */ 3453fa9e4066Sahrens for (i = 1; i <= zopt_init; i++) { 3454fa9e4066Sahrens bzero(zs, sizeof (ztest_shared_t)); 3455fa9e4066Sahrens if (zopt_verbose >= 3 && zopt_init != 1) 3456fa9e4066Sahrens (void) printf("ztest_init(), pass %d\n", i); 3457fa9e4066Sahrens ztest_init(zopt_pool); 3458fa9e4066Sahrens } 3459fa9e4066Sahrens 3460fa9e4066Sahrens /* 3461fa9e4066Sahrens * Initialize the call targets for each function. 3462fa9e4066Sahrens */ 3463fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3464fa9e4066Sahrens zi = &zs->zs_info[f]; 3465fa9e4066Sahrens 3466fa9e4066Sahrens *zi = ztest_info[f]; 3467fa9e4066Sahrens 3468fa9e4066Sahrens if (*zi->zi_interval == 0) 3469fa9e4066Sahrens zi->zi_call_target = UINT64_MAX; 3470fa9e4066Sahrens else 3471fa9e4066Sahrens zi->zi_call_target = zopt_time / *zi->zi_interval; 3472fa9e4066Sahrens } 3473fa9e4066Sahrens 3474fa9e4066Sahrens zs->zs_start_time = gethrtime(); 3475fa9e4066Sahrens zs->zs_stop_time = zs->zs_start_time + zopt_time * NANOSEC; 3476fa9e4066Sahrens 3477fa9e4066Sahrens /* 3478fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 3479fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 3480fa9e4066Sahrens * to verify that we never lose on-disk consistency. 3481fa9e4066Sahrens */ 3482fa9e4066Sahrens while (gethrtime() < zs->zs_stop_time) { 3483fa9e4066Sahrens int status; 3484fa9e4066Sahrens pid_t pid; 3485fa9e4066Sahrens char *tmp; 3486fa9e4066Sahrens 3487fa9e4066Sahrens /* 3488fa9e4066Sahrens * Initialize the workload counters for each function. 3489fa9e4066Sahrens */ 3490fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3491fa9e4066Sahrens zi = &zs->zs_info[f]; 3492fa9e4066Sahrens zi->zi_calls = 0; 3493fa9e4066Sahrens zi->zi_call_time = 0; 3494fa9e4066Sahrens } 3495fa9e4066Sahrens 3496fa9e4066Sahrens pid = fork(); 3497fa9e4066Sahrens 3498fa9e4066Sahrens if (pid == -1) 3499fa9e4066Sahrens fatal(1, "fork failed"); 3500fa9e4066Sahrens 3501fa9e4066Sahrens if (pid == 0) { /* child */ 3502fa9e4066Sahrens struct rlimit rl = { 1024, 1024 }; 3503fa9e4066Sahrens (void) setrlimit(RLIMIT_NOFILE, &rl); 3504004388ebScasper (void) enable_extended_FILE_stdio(-1, -1); 3505fa9e4066Sahrens ztest_run(zopt_pool); 3506fa9e4066Sahrens exit(0); 3507fa9e4066Sahrens } 3508fa9e4066Sahrens 35095ad82045Snd while (waitpid(pid, &status, 0) != pid) 3510fa9e4066Sahrens continue; 3511fa9e4066Sahrens 3512fa9e4066Sahrens if (WIFEXITED(status)) { 3513fa9e4066Sahrens if (WEXITSTATUS(status) != 0) { 3514fa9e4066Sahrens (void) fprintf(stderr, 3515fa9e4066Sahrens "child exited with code %d\n", 3516fa9e4066Sahrens WEXITSTATUS(status)); 3517fa9e4066Sahrens exit(2); 3518fa9e4066Sahrens } 35195ad82045Snd } else if (WIFSIGNALED(status)) { 3520fa9e4066Sahrens if (WTERMSIG(status) != SIGKILL) { 3521fa9e4066Sahrens (void) fprintf(stderr, 3522fa9e4066Sahrens "child died with signal %d\n", 3523fa9e4066Sahrens WTERMSIG(status)); 3524fa9e4066Sahrens exit(3); 3525fa9e4066Sahrens } 3526fa9e4066Sahrens kills++; 35275ad82045Snd } else { 35285ad82045Snd (void) fprintf(stderr, "something strange happened " 35295ad82045Snd "to child\n"); 35305ad82045Snd exit(4); 3531fa9e4066Sahrens } 3532fa9e4066Sahrens 3533fa9e4066Sahrens iters++; 3534fa9e4066Sahrens 3535fa9e4066Sahrens if (zopt_verbose >= 1) { 3536fa9e4066Sahrens hrtime_t now = gethrtime(); 3537fa9e4066Sahrens 3538fa9e4066Sahrens now = MIN(now, zs->zs_stop_time); 3539fa9e4066Sahrens print_time(zs->zs_stop_time - now, timebuf); 3540fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 3541fa9e4066Sahrens 3542fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 3543fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 3544fa9e4066Sahrens iters, 3545fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 3546fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 3547fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 3548fa9e4066Sahrens numbuf, 3549fa9e4066Sahrens 100.0 * (now - zs->zs_start_time) / 3550fa9e4066Sahrens (zopt_time * NANOSEC), timebuf); 3551fa9e4066Sahrens } 3552fa9e4066Sahrens 3553fa9e4066Sahrens if (zopt_verbose >= 2) { 3554fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 3555fa9e4066Sahrens (void) printf("%7s %9s %s\n", 3556fa9e4066Sahrens "Calls", "Time", "Function"); 3557fa9e4066Sahrens (void) printf("%7s %9s %s\n", 3558fa9e4066Sahrens "-----", "----", "--------"); 3559fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3560fa9e4066Sahrens Dl_info dli; 3561fa9e4066Sahrens 3562fa9e4066Sahrens zi = &zs->zs_info[f]; 3563fa9e4066Sahrens print_time(zi->zi_call_time, timebuf); 3564fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 3565fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 3566fa9e4066Sahrens (u_longlong_t)zi->zi_calls, timebuf, 3567fa9e4066Sahrens dli.dli_sname); 3568fa9e4066Sahrens } 3569fa9e4066Sahrens (void) printf("\n"); 3570fa9e4066Sahrens } 3571fa9e4066Sahrens 3572fa9e4066Sahrens /* 3573fa9e4066Sahrens * It's possible that we killed a child during a rename test, in 3574fa9e4066Sahrens * which case we'll have a 'ztest_tmp' pool lying around instead 3575fa9e4066Sahrens * of 'ztest'. Do a blind rename in case this happened. 3576fa9e4066Sahrens */ 3577fa9e4066Sahrens tmp = umem_alloc(strlen(zopt_pool) + 5, UMEM_NOFAIL); 3578fa9e4066Sahrens (void) strcpy(tmp, zopt_pool); 3579fa9e4066Sahrens (void) strcat(tmp, "_tmp"); 3580fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3581fa9e4066Sahrens (void) spa_rename(tmp, zopt_pool); 3582fa9e4066Sahrens kernel_fini(); 3583fa9e4066Sahrens umem_free(tmp, strlen(tmp) + 1); 3584fa9e4066Sahrens } 3585fa9e4066Sahrens 3586fa9e4066Sahrens ztest_verify_blocks(zopt_pool); 3587fa9e4066Sahrens 3588fa9e4066Sahrens if (zopt_verbose >= 1) { 3589fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 3590fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 3591fa9e4066Sahrens } 3592fa9e4066Sahrens 3593fa9e4066Sahrens return (0); 3594fa9e4066Sahrens } 3595