1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5441d80aaSlling * Common Development and Distribution License (the "License"). 6441d80aaSlling * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 224f5064b7SMark J Musante * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens /* 27fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 28fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 29fa9e4066Sahrens * 30fa9e4066Sahrens * The overall design of the ztest program is as follows: 31fa9e4066Sahrens * 32fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 33fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 34fa9e4066Sahrens * we have a simple routine to test that functionality. These 35fa9e4066Sahrens * individual routines do not have to do anything "stressful". 36fa9e4066Sahrens * 37fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 38fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 39fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 40fa9e4066Sahrens * 41fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 42fa9e4066Sahrens * verify that self-healing data really works. 43fa9e4066Sahrens * 44fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 45fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 46fa9e4066Sahrens * in which checksum they use and whether they're compressed. 47fa9e4066Sahrens * 48fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 49fa9e4066Sahrens * we run the entire test in a child of the main process. 50fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 51fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 52fa9e4066Sahrens * The parent then runs the test again, using the existing 53fa9e4066Sahrens * storage pool, as many times as desired. 54fa9e4066Sahrens * 55fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 56fa9e4066Sahrens * many of the functional tests record the transaction group number 57fa9e4066Sahrens * as part of their data. When reading old data, they verify that 58fa9e4066Sahrens * the transaction group number is less than the current, open txg. 59fa9e4066Sahrens * If you add a new test, please do this if applicable. 60fa9e4066Sahrens * 61fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 62fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 63fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 64fa9e4066Sahrens * 65fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 66fa9e4066Sahrens * 67fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 68fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 69fa9e4066Sahrens * 70fa9e4066Sahrens * The -N(okill) option will suppress kills, so each child runs to completion. 71fa9e4066Sahrens * This can be useful when you're trying to distinguish temporal incursions 72fa9e4066Sahrens * from plain old race conditions. 73fa9e4066Sahrens */ 74fa9e4066Sahrens 75fa9e4066Sahrens #include <sys/zfs_context.h> 76fa9e4066Sahrens #include <sys/spa.h> 77fa9e4066Sahrens #include <sys/dmu.h> 78fa9e4066Sahrens #include <sys/txg.h> 792fdbea25SAleksandr Guzovskiy #include <sys/dbuf.h> 80fa9e4066Sahrens #include <sys/zap.h> 81fa9e4066Sahrens #include <sys/dmu_objset.h> 82fa9e4066Sahrens #include <sys/poll.h> 83fa9e4066Sahrens #include <sys/stat.h> 84fa9e4066Sahrens #include <sys/time.h> 85fa9e4066Sahrens #include <sys/wait.h> 86fa9e4066Sahrens #include <sys/mman.h> 87fa9e4066Sahrens #include <sys/resource.h> 88fa9e4066Sahrens #include <sys/zio.h> 89fa9e4066Sahrens #include <sys/zio_checksum.h> 90fa9e4066Sahrens #include <sys/zio_compress.h> 91fa9e4066Sahrens #include <sys/zil.h> 92fa9e4066Sahrens #include <sys/vdev_impl.h> 93e14bb325SJeff Bonwick #include <sys/vdev_file.h> 94fa9e4066Sahrens #include <sys/spa_impl.h> 95*88ecc943SGeorge Wilson #include <sys/metaslab_impl.h> 96fa9e4066Sahrens #include <sys/dsl_prop.h> 974f5064b7SMark J Musante #include <sys/dsl_dataset.h> 98fa9e4066Sahrens #include <sys/refcount.h> 99fa9e4066Sahrens #include <stdio.h> 100004388ebScasper #include <stdio_ext.h> 101fa9e4066Sahrens #include <stdlib.h> 102fa9e4066Sahrens #include <unistd.h> 103fa9e4066Sahrens #include <signal.h> 104fa9e4066Sahrens #include <umem.h> 105fa9e4066Sahrens #include <dlfcn.h> 106fa9e4066Sahrens #include <ctype.h> 107fa9e4066Sahrens #include <math.h> 108fa9e4066Sahrens #include <sys/fs/zfs.h> 109fa9e4066Sahrens 110fa9e4066Sahrens static char cmdname[] = "ztest"; 111fa9e4066Sahrens static char *zopt_pool = cmdname; 112fa9e4066Sahrens 113fa9e4066Sahrens static uint64_t zopt_vdevs = 5; 114fa9e4066Sahrens static uint64_t zopt_vdevtime; 115ecc2d604Sbonwick static int zopt_ashift = SPA_MINBLOCKSHIFT; 116fa9e4066Sahrens static int zopt_mirrors = 2; 117fa9e4066Sahrens static int zopt_raidz = 4; 11899653d4eSeschrock static int zopt_raidz_parity = 1; 119fa9e4066Sahrens static size_t zopt_vdev_size = SPA_MINDEVSIZE; 120ecc2d604Sbonwick static int zopt_datasets = 7; 121fa9e4066Sahrens static int zopt_threads = 23; 122fa9e4066Sahrens static uint64_t zopt_passtime = 60; /* 60 seconds */ 123fa9e4066Sahrens static uint64_t zopt_killrate = 70; /* 70% kill rate */ 124fa9e4066Sahrens static int zopt_verbose = 0; 125fa9e4066Sahrens static int zopt_init = 1; 126fa9e4066Sahrens static char *zopt_dir = "/tmp"; 127fa9e4066Sahrens static uint64_t zopt_time = 300; /* 5 minutes */ 128fa9e4066Sahrens static int zopt_maxfaults; 129fa9e4066Sahrens 130e05725b1Sbonwick typedef struct ztest_block_tag { 131e05725b1Sbonwick uint64_t bt_objset; 132e05725b1Sbonwick uint64_t bt_object; 133e05725b1Sbonwick uint64_t bt_offset; 134e05725b1Sbonwick uint64_t bt_txg; 135e05725b1Sbonwick uint64_t bt_thread; 136e05725b1Sbonwick uint64_t bt_seq; 137e05725b1Sbonwick } ztest_block_tag_t; 138e05725b1Sbonwick 139fa9e4066Sahrens typedef struct ztest_args { 140e05725b1Sbonwick char za_pool[MAXNAMELEN]; 141e05725b1Sbonwick spa_t *za_spa; 142fa9e4066Sahrens objset_t *za_os; 143fa9e4066Sahrens zilog_t *za_zilog; 144fa9e4066Sahrens thread_t za_thread; 145fa9e4066Sahrens uint64_t za_instance; 146fa9e4066Sahrens uint64_t za_random; 147fa9e4066Sahrens uint64_t za_diroff; 148fa9e4066Sahrens uint64_t za_diroff_shared; 149ea8dc4b6Seschrock uint64_t za_zil_seq; 150fa9e4066Sahrens hrtime_t za_start; 151fa9e4066Sahrens hrtime_t za_stop; 152fa9e4066Sahrens hrtime_t za_kill; 153e05725b1Sbonwick /* 154e05725b1Sbonwick * Thread-local variables can go here to aid debugging. 155e05725b1Sbonwick */ 156e05725b1Sbonwick ztest_block_tag_t za_rbt; 157e05725b1Sbonwick ztest_block_tag_t za_wbt; 158e05725b1Sbonwick dmu_object_info_t za_doi; 159e05725b1Sbonwick dmu_buf_t *za_dbuf; 160fa9e4066Sahrens } ztest_args_t; 161fa9e4066Sahrens 162fa9e4066Sahrens typedef void ztest_func_t(ztest_args_t *); 163fa9e4066Sahrens 164fa9e4066Sahrens /* 165fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 166fa9e4066Sahrens */ 167fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 1682fdbea25SAleksandr Guzovskiy ztest_func_t ztest_dmu_read_write_zcopy; 169fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 170fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 171fa9e4066Sahrens ztest_func_t ztest_zap; 17212a2833aSSanjeev Bagewadi ztest_func_t ztest_fzap; 173fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 174fa9e4066Sahrens ztest_func_t ztest_traverse; 175fa9e4066Sahrens ztest_func_t ztest_dsl_prop_get_set; 176fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 177fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 1784f5064b7SMark J Musante ztest_func_t ztest_dsl_dataset_promote_busy; 179fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 180fa9e4066Sahrens ztest_func_t ztest_fault_inject; 181e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 182fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 183fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 184fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 185e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 186fa9e4066Sahrens ztest_func_t ztest_scrub; 187fa9e4066Sahrens 188fa9e4066Sahrens typedef struct ztest_info { 189fa9e4066Sahrens ztest_func_t *zi_func; /* test function */ 190e05725b1Sbonwick uint64_t zi_iters; /* iterations per execution */ 191fa9e4066Sahrens uint64_t *zi_interval; /* execute every <interval> seconds */ 192fa9e4066Sahrens uint64_t zi_calls; /* per-pass count */ 193fa9e4066Sahrens uint64_t zi_call_time; /* per-pass time */ 194fa9e4066Sahrens uint64_t zi_call_total; /* cumulative total */ 195fa9e4066Sahrens uint64_t zi_call_target; /* target cumulative total */ 196fa9e4066Sahrens } ztest_info_t; 197fa9e4066Sahrens 198fa9e4066Sahrens uint64_t zopt_always = 0; /* all the time */ 199fa9e4066Sahrens uint64_t zopt_often = 1; /* every second */ 200fa9e4066Sahrens uint64_t zopt_sometimes = 10; /* every 10 seconds */ 201fa9e4066Sahrens uint64_t zopt_rarely = 60; /* every 60 seconds */ 202fa9e4066Sahrens 203fa9e4066Sahrens ztest_info_t ztest_info[] = { 204e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 2052fdbea25SAleksandr Guzovskiy { ztest_dmu_read_write_zcopy, 1, &zopt_always }, 206e05725b1Sbonwick { ztest_dmu_write_parallel, 30, &zopt_always }, 207e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 208e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 20912a2833aSSanjeev Bagewadi { ztest_fzap, 30, &zopt_always }, 210e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 211e05725b1Sbonwick { ztest_dsl_prop_get_set, 1, &zopt_sometimes }, 212088f3894Sahrens { ztest_dmu_objset_create_destroy, 1, &zopt_sometimes }, 213e14bb325SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 214088f3894Sahrens { ztest_spa_create_destroy, 1, &zopt_sometimes }, 215e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 216e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 217e14bb325SJeff Bonwick { ztest_vdev_attach_detach, 1, &zopt_rarely }, 218e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 219b2d22b66SGeorge Wilson { ztest_dsl_dataset_promote_busy, 1, &zopt_rarely }, 220e14bb325SJeff Bonwick { ztest_vdev_add_remove, 1, &zopt_vdevtime }, 221e14bb325SJeff Bonwick { ztest_vdev_aux_add_remove, 1, &zopt_vdevtime }, 222e05725b1Sbonwick { ztest_scrub, 1, &zopt_vdevtime }, 223fa9e4066Sahrens }; 224fa9e4066Sahrens 225fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 226fa9e4066Sahrens 227fa9e4066Sahrens #define ZTEST_SYNC_LOCKS 16 228fa9e4066Sahrens 229fa9e4066Sahrens /* 230fa9e4066Sahrens * Stuff we need to share writably between parent and child. 231fa9e4066Sahrens */ 232fa9e4066Sahrens typedef struct ztest_shared { 233fa9e4066Sahrens mutex_t zs_vdev_lock; 234fa9e4066Sahrens rwlock_t zs_name_lock; 235*88ecc943SGeorge Wilson uint64_t zs_vdev_next_leaf; 236e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 237fa9e4066Sahrens uint64_t zs_enospc_count; 238fa9e4066Sahrens hrtime_t zs_start_time; 239fa9e4066Sahrens hrtime_t zs_stop_time; 240fa9e4066Sahrens uint64_t zs_alloc; 241fa9e4066Sahrens uint64_t zs_space; 242fa9e4066Sahrens ztest_info_t zs_info[ZTEST_FUNCS]; 243fa9e4066Sahrens mutex_t zs_sync_lock[ZTEST_SYNC_LOCKS]; 244fa9e4066Sahrens uint64_t zs_seq[ZTEST_SYNC_LOCKS]; 245fa9e4066Sahrens } ztest_shared_t; 246fa9e4066Sahrens 247fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 248e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 249fa9e4066Sahrens static ztest_shared_t *ztest_shared; 250fa9e4066Sahrens 251fa9e4066Sahrens static int ztest_random_fd; 252fa9e4066Sahrens static int ztest_dump_core = 1; 253fa9e4066Sahrens 254d6e555bdSGeorge Wilson static uint64_t metaslab_sz; 255e14bb325SJeff Bonwick static boolean_t ztest_exiting; 2560a4e9518Sgw 257e05725b1Sbonwick extern uint64_t metaslab_gang_bang; 258d6e555bdSGeorge Wilson extern uint64_t metaslab_df_alloc_threshold; 259fa9e4066Sahrens 260fa9e4066Sahrens #define ZTEST_DIROBJ 1 261fa9e4066Sahrens #define ZTEST_MICROZAP_OBJ 2 262fa9e4066Sahrens #define ZTEST_FATZAP_OBJ 3 263fa9e4066Sahrens 264fa9e4066Sahrens #define ZTEST_DIROBJ_BLOCKSIZE (1 << 10) 265fa9e4066Sahrens #define ZTEST_DIRSIZE 256 266fa9e4066Sahrens 2671ce825d8Sraf static void usage(boolean_t) __NORETURN; 268f1b4288bSvb 269fa9e4066Sahrens /* 270fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 271fa9e4066Sahrens * debugging facilities. 272fa9e4066Sahrens */ 273fa9e4066Sahrens const char * 274fa9e4066Sahrens _umem_debug_init() 275fa9e4066Sahrens { 276fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 277fa9e4066Sahrens } 278fa9e4066Sahrens 279fa9e4066Sahrens const char * 280fa9e4066Sahrens _umem_logging_init(void) 281fa9e4066Sahrens { 282fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 283fa9e4066Sahrens } 284fa9e4066Sahrens 285fa9e4066Sahrens #define FATAL_MSG_SZ 1024 286fa9e4066Sahrens 287fa9e4066Sahrens char *fatal_msg; 288fa9e4066Sahrens 289fa9e4066Sahrens static void 290fa9e4066Sahrens fatal(int do_perror, char *message, ...) 291fa9e4066Sahrens { 292fa9e4066Sahrens va_list args; 293fa9e4066Sahrens int save_errno = errno; 294fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 295fa9e4066Sahrens 296fa9e4066Sahrens (void) fflush(stdout); 297fa9e4066Sahrens 298fa9e4066Sahrens va_start(args, message); 299fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 300fa9e4066Sahrens /* LINTED */ 301fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 302fa9e4066Sahrens va_end(args); 303fa9e4066Sahrens if (do_perror) { 304fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 305fa9e4066Sahrens ": %s", strerror(save_errno)); 306fa9e4066Sahrens } 307fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 308fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 309fa9e4066Sahrens if (ztest_dump_core) 310fa9e4066Sahrens abort(); 311fa9e4066Sahrens exit(3); 312fa9e4066Sahrens } 313fa9e4066Sahrens 314fa9e4066Sahrens static int 315fa9e4066Sahrens str2shift(const char *buf) 316fa9e4066Sahrens { 317fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 318fa9e4066Sahrens int i; 319fa9e4066Sahrens 320fa9e4066Sahrens if (buf[0] == '\0') 321fa9e4066Sahrens return (0); 322fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 323fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 324fa9e4066Sahrens break; 325fa9e4066Sahrens } 326f1b4288bSvb if (i == strlen(ends)) { 327f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 328f1b4288bSvb buf); 329f1b4288bSvb usage(B_FALSE); 330f1b4288bSvb } 331fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 332fa9e4066Sahrens return (10*i); 333fa9e4066Sahrens } 334f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 335f1b4288bSvb usage(B_FALSE); 336f1b4288bSvb /* NOTREACHED */ 337fa9e4066Sahrens } 338fa9e4066Sahrens 339fa9e4066Sahrens static uint64_t 340fa9e4066Sahrens nicenumtoull(const char *buf) 341fa9e4066Sahrens { 342fa9e4066Sahrens char *end; 343fa9e4066Sahrens uint64_t val; 344fa9e4066Sahrens 345fa9e4066Sahrens val = strtoull(buf, &end, 0); 346fa9e4066Sahrens if (end == buf) { 347f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 348f1b4288bSvb usage(B_FALSE); 349fa9e4066Sahrens } else if (end[0] == '.') { 350fa9e4066Sahrens double fval = strtod(buf, &end); 351fa9e4066Sahrens fval *= pow(2, str2shift(end)); 352f1b4288bSvb if (fval > UINT64_MAX) { 353f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 354f1b4288bSvb buf); 355f1b4288bSvb usage(B_FALSE); 356f1b4288bSvb } 357fa9e4066Sahrens val = (uint64_t)fval; 358fa9e4066Sahrens } else { 359fa9e4066Sahrens int shift = str2shift(end); 360f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 361f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 362f1b4288bSvb buf); 363f1b4288bSvb usage(B_FALSE); 364f1b4288bSvb } 365fa9e4066Sahrens val <<= shift; 366fa9e4066Sahrens } 367fa9e4066Sahrens return (val); 368fa9e4066Sahrens } 369fa9e4066Sahrens 370fa9e4066Sahrens static void 371f1b4288bSvb usage(boolean_t requested) 372fa9e4066Sahrens { 373fa9e4066Sahrens char nice_vdev_size[10]; 374fa9e4066Sahrens char nice_gang_bang[10]; 375f1b4288bSvb FILE *fp = requested ? stdout : stderr; 376fa9e4066Sahrens 377fa9e4066Sahrens nicenum(zopt_vdev_size, nice_vdev_size); 378e05725b1Sbonwick nicenum(metaslab_gang_bang, nice_gang_bang); 379fa9e4066Sahrens 380f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 381fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 382fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 383ecc2d604Sbonwick "\t[-a alignment_shift (default: %d) (use 0 for random)]\n" 384fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 385fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 38699653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 387fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 388fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 389fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 390fa9e4066Sahrens "\t[-i initialize pool i times (default: %d)]\n" 391fa9e4066Sahrens "\t[-k kill percentage (default: %llu%%)]\n" 392fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 393fa9e4066Sahrens "\t[-f file directory for vdev files (default: %s)]\n" 394fa9e4066Sahrens "\t[-V(erbose)] (use multiple times for ever more blather)\n" 395ecc2d604Sbonwick "\t[-E(xisting)] (use existing pool instead of creating new one)\n" 396fa9e4066Sahrens "\t[-T time] total run time (default: %llu sec)\n" 397fa9e4066Sahrens "\t[-P passtime] time per pass (default: %llu sec)\n" 398f1b4288bSvb "\t[-h] (print help)\n" 399fa9e4066Sahrens "", 400fa9e4066Sahrens cmdname, 4010a4e9518Sgw (u_longlong_t)zopt_vdevs, /* -v */ 4020a4e9518Sgw nice_vdev_size, /* -s */ 4030a4e9518Sgw zopt_ashift, /* -a */ 4040a4e9518Sgw zopt_mirrors, /* -m */ 4050a4e9518Sgw zopt_raidz, /* -r */ 4060a4e9518Sgw zopt_raidz_parity, /* -R */ 4070a4e9518Sgw zopt_datasets, /* -d */ 4080a4e9518Sgw zopt_threads, /* -t */ 4090a4e9518Sgw nice_gang_bang, /* -g */ 4100a4e9518Sgw zopt_init, /* -i */ 4110a4e9518Sgw (u_longlong_t)zopt_killrate, /* -k */ 4120a4e9518Sgw zopt_pool, /* -p */ 4130a4e9518Sgw zopt_dir, /* -f */ 4140a4e9518Sgw (u_longlong_t)zopt_time, /* -T */ 415e14bb325SJeff Bonwick (u_longlong_t)zopt_passtime); /* -P */ 416f1b4288bSvb exit(requested ? 0 : 1); 417fa9e4066Sahrens } 418fa9e4066Sahrens 419fa9e4066Sahrens static uint64_t 420fa9e4066Sahrens ztest_random(uint64_t range) 421fa9e4066Sahrens { 422fa9e4066Sahrens uint64_t r; 423fa9e4066Sahrens 424fa9e4066Sahrens if (range == 0) 425fa9e4066Sahrens return (0); 426fa9e4066Sahrens 427fa9e4066Sahrens if (read(ztest_random_fd, &r, sizeof (r)) != sizeof (r)) 428fa9e4066Sahrens fatal(1, "short read from /dev/urandom"); 429fa9e4066Sahrens 430fa9e4066Sahrens return (r % range); 431fa9e4066Sahrens } 432fa9e4066Sahrens 4338ad4d6ddSJeff Bonwick /* ARGSUSED */ 434fa9e4066Sahrens static void 435fa9e4066Sahrens ztest_record_enospc(char *s) 436fa9e4066Sahrens { 437fa9e4066Sahrens ztest_shared->zs_enospc_count++; 438fa9e4066Sahrens } 439fa9e4066Sahrens 440fa9e4066Sahrens static void 441fa9e4066Sahrens process_options(int argc, char **argv) 442fa9e4066Sahrens { 443fa9e4066Sahrens int opt; 444fa9e4066Sahrens uint64_t value; 445fa9e4066Sahrens 446fa9e4066Sahrens /* By default, test gang blocks for blocks 32K and greater */ 447e05725b1Sbonwick metaslab_gang_bang = 32 << 10; 448fa9e4066Sahrens 449fa9e4066Sahrens while ((opt = getopt(argc, argv, 450e14bb325SJeff Bonwick "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:h")) != EOF) { 451fa9e4066Sahrens value = 0; 452fa9e4066Sahrens switch (opt) { 4533d7072f8Seschrock case 'v': 4543d7072f8Seschrock case 's': 4553d7072f8Seschrock case 'a': 4563d7072f8Seschrock case 'm': 4573d7072f8Seschrock case 'r': 4583d7072f8Seschrock case 'R': 4593d7072f8Seschrock case 'd': 4603d7072f8Seschrock case 't': 4613d7072f8Seschrock case 'g': 4623d7072f8Seschrock case 'i': 4633d7072f8Seschrock case 'k': 4643d7072f8Seschrock case 'T': 4653d7072f8Seschrock case 'P': 466fa9e4066Sahrens value = nicenumtoull(optarg); 467fa9e4066Sahrens } 468fa9e4066Sahrens switch (opt) { 4693d7072f8Seschrock case 'v': 470fa9e4066Sahrens zopt_vdevs = value; 471fa9e4066Sahrens break; 4723d7072f8Seschrock case 's': 473fa9e4066Sahrens zopt_vdev_size = MAX(SPA_MINDEVSIZE, value); 474fa9e4066Sahrens break; 4753d7072f8Seschrock case 'a': 476ecc2d604Sbonwick zopt_ashift = value; 477ecc2d604Sbonwick break; 4783d7072f8Seschrock case 'm': 479fa9e4066Sahrens zopt_mirrors = value; 480fa9e4066Sahrens break; 4813d7072f8Seschrock case 'r': 482fa9e4066Sahrens zopt_raidz = MAX(1, value); 483fa9e4066Sahrens break; 4843d7072f8Seschrock case 'R': 485f94275ceSAdam Leventhal zopt_raidz_parity = MIN(MAX(value, 1), 3); 48699653d4eSeschrock break; 4873d7072f8Seschrock case 'd': 488ecc2d604Sbonwick zopt_datasets = MAX(1, value); 489fa9e4066Sahrens break; 4903d7072f8Seschrock case 't': 491fa9e4066Sahrens zopt_threads = MAX(1, value); 492fa9e4066Sahrens break; 4933d7072f8Seschrock case 'g': 494e05725b1Sbonwick metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, value); 495fa9e4066Sahrens break; 4963d7072f8Seschrock case 'i': 497fa9e4066Sahrens zopt_init = value; 498fa9e4066Sahrens break; 4993d7072f8Seschrock case 'k': 500fa9e4066Sahrens zopt_killrate = value; 501fa9e4066Sahrens break; 5023d7072f8Seschrock case 'p': 503fa9e4066Sahrens zopt_pool = strdup(optarg); 504fa9e4066Sahrens break; 5053d7072f8Seschrock case 'f': 506fa9e4066Sahrens zopt_dir = strdup(optarg); 507fa9e4066Sahrens break; 5083d7072f8Seschrock case 'V': 509fa9e4066Sahrens zopt_verbose++; 510fa9e4066Sahrens break; 5113d7072f8Seschrock case 'E': 512fa9e4066Sahrens zopt_init = 0; 513fa9e4066Sahrens break; 5143d7072f8Seschrock case 'T': 515fa9e4066Sahrens zopt_time = value; 516fa9e4066Sahrens break; 5173d7072f8Seschrock case 'P': 518fa9e4066Sahrens zopt_passtime = MAX(1, value); 519fa9e4066Sahrens break; 5203d7072f8Seschrock case 'h': 521f1b4288bSvb usage(B_TRUE); 522f1b4288bSvb break; 5233d7072f8Seschrock case '?': 5243d7072f8Seschrock default: 525f1b4288bSvb usage(B_FALSE); 526fa9e4066Sahrens break; 527fa9e4066Sahrens } 528fa9e4066Sahrens } 529fa9e4066Sahrens 53099653d4eSeschrock zopt_raidz_parity = MIN(zopt_raidz_parity, zopt_raidz - 1); 53199653d4eSeschrock 532fa9e4066Sahrens zopt_vdevtime = (zopt_vdevs > 0 ? zopt_time / zopt_vdevs : UINT64_MAX); 53399653d4eSeschrock zopt_maxfaults = MAX(zopt_mirrors, 1) * (zopt_raidz_parity + 1) - 1; 534fa9e4066Sahrens } 535fa9e4066Sahrens 536ecc2d604Sbonwick static uint64_t 537ecc2d604Sbonwick ztest_get_ashift(void) 538ecc2d604Sbonwick { 539ecc2d604Sbonwick if (zopt_ashift == 0) 540ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 541ecc2d604Sbonwick return (zopt_ashift); 542ecc2d604Sbonwick } 543ecc2d604Sbonwick 544fa9e4066Sahrens static nvlist_t * 545e14bb325SJeff Bonwick make_vdev_file(char *path, char *aux, size_t size, uint64_t ashift) 546fa9e4066Sahrens { 547e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 548fa9e4066Sahrens uint64_t vdev; 549fa9e4066Sahrens nvlist_t *file; 550fa9e4066Sahrens 551e14bb325SJeff Bonwick if (ashift == 0) 552e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 553e14bb325SJeff Bonwick 554e14bb325SJeff Bonwick if (path == NULL) { 555e14bb325SJeff Bonwick path = pathbuf; 556fa9e4066Sahrens 557e14bb325SJeff Bonwick if (aux != NULL) { 558e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 559e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, 560e14bb325SJeff Bonwick zopt_dir, zopt_pool, aux, vdev); 561e14bb325SJeff Bonwick } else { 562*88ecc943SGeorge Wilson vdev = ztest_shared->zs_vdev_next_leaf++; 563e14bb325SJeff Bonwick (void) sprintf(path, ztest_dev_template, 564e14bb325SJeff Bonwick zopt_dir, zopt_pool, vdev); 565e14bb325SJeff Bonwick } 566e14bb325SJeff Bonwick } 567e14bb325SJeff Bonwick 568e14bb325SJeff Bonwick if (size != 0) { 569e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 570fa9e4066Sahrens if (fd == -1) 571e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 572fa9e4066Sahrens if (ftruncate(fd, size) != 0) 573e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 574fa9e4066Sahrens (void) close(fd); 575fa9e4066Sahrens } 576fa9e4066Sahrens 577fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 578fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 579e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 580ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 581fa9e4066Sahrens 582fa9e4066Sahrens return (file); 583fa9e4066Sahrens } 584fa9e4066Sahrens 585fa9e4066Sahrens static nvlist_t * 586e14bb325SJeff Bonwick make_vdev_raidz(char *path, char *aux, size_t size, uint64_t ashift, int r) 587fa9e4066Sahrens { 588fa9e4066Sahrens nvlist_t *raidz, **child; 589fa9e4066Sahrens int c; 590fa9e4066Sahrens 591fa9e4066Sahrens if (r < 2) 592e14bb325SJeff Bonwick return (make_vdev_file(path, aux, size, ashift)); 593fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 594fa9e4066Sahrens 595fa9e4066Sahrens for (c = 0; c < r; c++) 596e14bb325SJeff Bonwick child[c] = make_vdev_file(path, aux, size, ashift); 597fa9e4066Sahrens 598fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 599fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 600fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 60199653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 60299653d4eSeschrock zopt_raidz_parity) == 0); 603fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 604fa9e4066Sahrens child, r) == 0); 605fa9e4066Sahrens 606fa9e4066Sahrens for (c = 0; c < r; c++) 607fa9e4066Sahrens nvlist_free(child[c]); 608fa9e4066Sahrens 609fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 610fa9e4066Sahrens 611fa9e4066Sahrens return (raidz); 612fa9e4066Sahrens } 613fa9e4066Sahrens 614fa9e4066Sahrens static nvlist_t * 615e14bb325SJeff Bonwick make_vdev_mirror(char *path, char *aux, size_t size, uint64_t ashift, 61631157203SJeff Bonwick int r, int m) 617fa9e4066Sahrens { 618fa9e4066Sahrens nvlist_t *mirror, **child; 619fa9e4066Sahrens int c; 620fa9e4066Sahrens 621fa9e4066Sahrens if (m < 1) 622e14bb325SJeff Bonwick return (make_vdev_raidz(path, aux, size, ashift, r)); 623fa9e4066Sahrens 624fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 625fa9e4066Sahrens 626fa9e4066Sahrens for (c = 0; c < m; c++) 627e14bb325SJeff Bonwick child[c] = make_vdev_raidz(path, aux, size, ashift, r); 628fa9e4066Sahrens 629fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 630fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 631fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 632fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 633fa9e4066Sahrens child, m) == 0); 634fa9e4066Sahrens 635fa9e4066Sahrens for (c = 0; c < m; c++) 636fa9e4066Sahrens nvlist_free(child[c]); 637fa9e4066Sahrens 638fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 639fa9e4066Sahrens 640fa9e4066Sahrens return (mirror); 641fa9e4066Sahrens } 642fa9e4066Sahrens 643fa9e4066Sahrens static nvlist_t * 644e14bb325SJeff Bonwick make_vdev_root(char *path, char *aux, size_t size, uint64_t ashift, 645e14bb325SJeff Bonwick int log, int r, int m, int t) 646fa9e4066Sahrens { 647fa9e4066Sahrens nvlist_t *root, **child; 648fa9e4066Sahrens int c; 649fa9e4066Sahrens 650fa9e4066Sahrens ASSERT(t > 0); 651fa9e4066Sahrens 652fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 653fa9e4066Sahrens 65431157203SJeff Bonwick for (c = 0; c < t; c++) { 65531157203SJeff Bonwick child[c] = make_vdev_mirror(path, aux, size, ashift, r, m); 65631157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 65731157203SJeff Bonwick log) == 0); 65831157203SJeff Bonwick } 659fa9e4066Sahrens 660fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 661fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 662e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 663fa9e4066Sahrens child, t) == 0); 664fa9e4066Sahrens 665fa9e4066Sahrens for (c = 0; c < t; c++) 666fa9e4066Sahrens nvlist_free(child[c]); 667fa9e4066Sahrens 668fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 669fa9e4066Sahrens 670fa9e4066Sahrens return (root); 671fa9e4066Sahrens } 672fa9e4066Sahrens 673fa9e4066Sahrens static void 674fa9e4066Sahrens ztest_set_random_blocksize(objset_t *os, uint64_t object, dmu_tx_t *tx) 675fa9e4066Sahrens { 676fa9e4066Sahrens int bs = SPA_MINBLOCKSHIFT + 677fa9e4066Sahrens ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1); 678fa9e4066Sahrens int ibs = DN_MIN_INDBLKSHIFT + 679fa9e4066Sahrens ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1); 680fa9e4066Sahrens int error; 681fa9e4066Sahrens 682fa9e4066Sahrens error = dmu_object_set_blocksize(os, object, 1ULL << bs, ibs, tx); 683fa9e4066Sahrens if (error) { 684fa9e4066Sahrens char osname[300]; 685fa9e4066Sahrens dmu_objset_name(os, osname); 686fa9e4066Sahrens fatal(0, "dmu_object_set_blocksize('%s', %llu, %d, %d) = %d", 687fa9e4066Sahrens osname, object, 1 << bs, ibs, error); 688fa9e4066Sahrens } 689fa9e4066Sahrens } 690fa9e4066Sahrens 691fa9e4066Sahrens static uint8_t 692fa9e4066Sahrens ztest_random_checksum(void) 693fa9e4066Sahrens { 694fa9e4066Sahrens uint8_t checksum; 695fa9e4066Sahrens 696fa9e4066Sahrens do { 697fa9e4066Sahrens checksum = ztest_random(ZIO_CHECKSUM_FUNCTIONS); 698fa9e4066Sahrens } while (zio_checksum_table[checksum].ci_zbt); 699fa9e4066Sahrens 700fa9e4066Sahrens if (checksum == ZIO_CHECKSUM_OFF) 701fa9e4066Sahrens checksum = ZIO_CHECKSUM_ON; 702fa9e4066Sahrens 703fa9e4066Sahrens return (checksum); 704fa9e4066Sahrens } 705fa9e4066Sahrens 706fa9e4066Sahrens static uint8_t 707fa9e4066Sahrens ztest_random_compress(void) 708fa9e4066Sahrens { 709fa9e4066Sahrens return ((uint8_t)ztest_random(ZIO_COMPRESS_FUNCTIONS)); 710fa9e4066Sahrens } 711fa9e4066Sahrens 712fa9e4066Sahrens static int 7131209a471SNeil Perrin ztest_replay_create(objset_t *os, lr_create_t *lr, boolean_t byteswap) 714fa9e4066Sahrens { 715fa9e4066Sahrens dmu_tx_t *tx; 716fa9e4066Sahrens int error; 717fa9e4066Sahrens 718fa9e4066Sahrens if (byteswap) 719fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 720fa9e4066Sahrens 721fa9e4066Sahrens tx = dmu_tx_create(os); 722fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 7231209a471SNeil Perrin error = dmu_tx_assign(tx, TXG_WAIT); 724fa9e4066Sahrens if (error) { 725fa9e4066Sahrens dmu_tx_abort(tx); 726fa9e4066Sahrens return (error); 727fa9e4066Sahrens } 728fa9e4066Sahrens 729fa9e4066Sahrens error = dmu_object_claim(os, lr->lr_doid, lr->lr_mode, 0, 730fa9e4066Sahrens DMU_OT_NONE, 0, tx); 73199653d4eSeschrock ASSERT3U(error, ==, 0); 732fa9e4066Sahrens dmu_tx_commit(tx); 733fa9e4066Sahrens 734fa9e4066Sahrens if (zopt_verbose >= 5) { 735fa9e4066Sahrens char osname[MAXNAMELEN]; 736fa9e4066Sahrens dmu_objset_name(os, osname); 737fa9e4066Sahrens (void) printf("replay create of %s object %llu" 738fa9e4066Sahrens " in txg %llu = %d\n", 739fa9e4066Sahrens osname, (u_longlong_t)lr->lr_doid, 7401209a471SNeil Perrin (u_longlong_t)dmu_tx_get_txg(tx), error); 741fa9e4066Sahrens } 742fa9e4066Sahrens 743fa9e4066Sahrens return (error); 744fa9e4066Sahrens } 745fa9e4066Sahrens 746fa9e4066Sahrens static int 7471209a471SNeil Perrin ztest_replay_remove(objset_t *os, lr_remove_t *lr, boolean_t byteswap) 748fa9e4066Sahrens { 749fa9e4066Sahrens dmu_tx_t *tx; 750fa9e4066Sahrens int error; 751fa9e4066Sahrens 752fa9e4066Sahrens if (byteswap) 753fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 754fa9e4066Sahrens 755fa9e4066Sahrens tx = dmu_tx_create(os); 756fa9e4066Sahrens dmu_tx_hold_free(tx, lr->lr_doid, 0, DMU_OBJECT_END); 7571209a471SNeil Perrin error = dmu_tx_assign(tx, TXG_WAIT); 758fa9e4066Sahrens if (error) { 759fa9e4066Sahrens dmu_tx_abort(tx); 760fa9e4066Sahrens return (error); 761fa9e4066Sahrens } 762fa9e4066Sahrens 763fa9e4066Sahrens error = dmu_object_free(os, lr->lr_doid, tx); 764fa9e4066Sahrens dmu_tx_commit(tx); 765fa9e4066Sahrens 766fa9e4066Sahrens return (error); 767fa9e4066Sahrens } 768fa9e4066Sahrens 769fa9e4066Sahrens zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 770fa9e4066Sahrens NULL, /* 0 no such transaction type */ 771fa9e4066Sahrens ztest_replay_create, /* TX_CREATE */ 772fa9e4066Sahrens NULL, /* TX_MKDIR */ 773fa9e4066Sahrens NULL, /* TX_MKXATTR */ 774fa9e4066Sahrens NULL, /* TX_SYMLINK */ 775fa9e4066Sahrens ztest_replay_remove, /* TX_REMOVE */ 776fa9e4066Sahrens NULL, /* TX_RMDIR */ 777fa9e4066Sahrens NULL, /* TX_LINK */ 778fa9e4066Sahrens NULL, /* TX_RENAME */ 779fa9e4066Sahrens NULL, /* TX_WRITE */ 780fa9e4066Sahrens NULL, /* TX_TRUNCATE */ 781fa9e4066Sahrens NULL, /* TX_SETATTR */ 782fa9e4066Sahrens NULL, /* TX_ACL */ 783fa9e4066Sahrens }; 784fa9e4066Sahrens 785fa9e4066Sahrens /* 786fa9e4066Sahrens * Verify that we can't destroy an active pool, create an existing pool, 787fa9e4066Sahrens * or create a pool with a bad vdev spec. 788fa9e4066Sahrens */ 789fa9e4066Sahrens void 790fa9e4066Sahrens ztest_spa_create_destroy(ztest_args_t *za) 791fa9e4066Sahrens { 792fa9e4066Sahrens int error; 793fa9e4066Sahrens spa_t *spa; 794fa9e4066Sahrens nvlist_t *nvroot; 795fa9e4066Sahrens 796fa9e4066Sahrens /* 797fa9e4066Sahrens * Attempt to create using a bad file. 798fa9e4066Sahrens */ 799e14bb325SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 8000a48a24eStimh error = spa_create("ztest_bad_file", nvroot, NULL, NULL, NULL); 801fa9e4066Sahrens nvlist_free(nvroot); 802fa9e4066Sahrens if (error != ENOENT) 803fa9e4066Sahrens fatal(0, "spa_create(bad_file) = %d", error); 804fa9e4066Sahrens 805fa9e4066Sahrens /* 806fa9e4066Sahrens * Attempt to create using a bad mirror. 807fa9e4066Sahrens */ 808e14bb325SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 2, 1); 8090a48a24eStimh error = spa_create("ztest_bad_mirror", nvroot, NULL, NULL, NULL); 810fa9e4066Sahrens nvlist_free(nvroot); 811fa9e4066Sahrens if (error != ENOENT) 812fa9e4066Sahrens fatal(0, "spa_create(bad_mirror) = %d", error); 813fa9e4066Sahrens 814fa9e4066Sahrens /* 815fa9e4066Sahrens * Attempt to create an existing pool. It shouldn't matter 816fa9e4066Sahrens * what's in the nvroot; we should fail with EEXIST. 817fa9e4066Sahrens */ 818fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 819e14bb325SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 8200a48a24eStimh error = spa_create(za->za_pool, nvroot, NULL, NULL, NULL); 821fa9e4066Sahrens nvlist_free(nvroot); 822fa9e4066Sahrens if (error != EEXIST) 823fa9e4066Sahrens fatal(0, "spa_create(whatever) = %d", error); 824fa9e4066Sahrens 825fa9e4066Sahrens error = spa_open(za->za_pool, &spa, FTAG); 826fa9e4066Sahrens if (error) 827fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 828fa9e4066Sahrens 829fa9e4066Sahrens error = spa_destroy(za->za_pool); 830fa9e4066Sahrens if (error != EBUSY) 831fa9e4066Sahrens fatal(0, "spa_destroy() = %d", error); 832fa9e4066Sahrens 833fa9e4066Sahrens spa_close(spa, FTAG); 834fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 835fa9e4066Sahrens } 836fa9e4066Sahrens 83731157203SJeff Bonwick static vdev_t * 83831157203SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 83931157203SJeff Bonwick { 84031157203SJeff Bonwick vdev_t *mvd; 84131157203SJeff Bonwick 84231157203SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 84331157203SJeff Bonwick return (vd); 84431157203SJeff Bonwick 84531157203SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 84631157203SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 84731157203SJeff Bonwick NULL) 84831157203SJeff Bonwick return (mvd); 84931157203SJeff Bonwick 85031157203SJeff Bonwick return (NULL); 85131157203SJeff Bonwick } 85231157203SJeff Bonwick 853*88ecc943SGeorge Wilson /* 854*88ecc943SGeorge Wilson * Find the first available hole which can be used as a top-level. 855*88ecc943SGeorge Wilson */ 856*88ecc943SGeorge Wilson int 857*88ecc943SGeorge Wilson find_vdev_hole(spa_t *spa) 858*88ecc943SGeorge Wilson { 859*88ecc943SGeorge Wilson vdev_t *rvd = spa->spa_root_vdev; 860*88ecc943SGeorge Wilson int c; 861*88ecc943SGeorge Wilson 862*88ecc943SGeorge Wilson ASSERT(spa_config_held(spa, SCL_VDEV, RW_READER) == SCL_VDEV); 863*88ecc943SGeorge Wilson 864*88ecc943SGeorge Wilson for (c = 0; c < rvd->vdev_children; c++) { 865*88ecc943SGeorge Wilson vdev_t *cvd = rvd->vdev_child[c]; 866*88ecc943SGeorge Wilson 867*88ecc943SGeorge Wilson if (cvd->vdev_ishole) 868*88ecc943SGeorge Wilson break; 869*88ecc943SGeorge Wilson } 870*88ecc943SGeorge Wilson return (c); 871*88ecc943SGeorge Wilson } 872*88ecc943SGeorge Wilson 873fa9e4066Sahrens /* 874fa9e4066Sahrens * Verify that vdev_add() works as expected. 875fa9e4066Sahrens */ 876fa9e4066Sahrens void 877fa9e4066Sahrens ztest_vdev_add_remove(ztest_args_t *za) 878fa9e4066Sahrens { 879e05725b1Sbonwick spa_t *spa = za->za_spa; 880fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 881*88ecc943SGeorge Wilson uint64_t guid; 882fa9e4066Sahrens nvlist_t *nvroot; 883fa9e4066Sahrens int error; 884fa9e4066Sahrens 885fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 886fa9e4066Sahrens 887e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 888fa9e4066Sahrens 889*88ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = find_vdev_hole(spa) * leaves; 890fa9e4066Sahrens 8918654d025Sperrin /* 892*88ecc943SGeorge Wilson * If we have slogs then remove them 1/4 of the time. 8938654d025Sperrin */ 894*88ecc943SGeorge Wilson if (spa_has_slogs(spa) && ztest_random(4) == 0) { 895*88ecc943SGeorge Wilson /* 896*88ecc943SGeorge Wilson * Grab the guid from the head of the log class rotor. 897*88ecc943SGeorge Wilson */ 898*88ecc943SGeorge Wilson guid = spa->spa_log_class->mc_rotor->mg_vd->vdev_guid; 8998654d025Sperrin 900*88ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 901fa9e4066Sahrens 902*88ecc943SGeorge Wilson /* 903*88ecc943SGeorge Wilson * We have to grab the zs_name_lock as writer to 904*88ecc943SGeorge Wilson * prevent a race between removing a slog (dmu_objset_find) 905*88ecc943SGeorge Wilson * and destroying a dataset. Removing the slog will 906*88ecc943SGeorge Wilson * grab a reference on the dataset which may cause 907*88ecc943SGeorge Wilson * dmu_objset_destroy() to fail with EBUSY thus 908*88ecc943SGeorge Wilson * leaving the dataset in an inconsistent state. 909*88ecc943SGeorge Wilson */ 910*88ecc943SGeorge Wilson (void) rw_wrlock(&ztest_shared->zs_name_lock); 911*88ecc943SGeorge Wilson error = spa_vdev_remove(spa, guid, B_FALSE); 912*88ecc943SGeorge Wilson (void) rw_unlock(&ztest_shared->zs_name_lock); 913fa9e4066Sahrens 914*88ecc943SGeorge Wilson if (error && error != EEXIST) 915*88ecc943SGeorge Wilson fatal(0, "spa_vdev_remove() = %d", error); 916*88ecc943SGeorge Wilson } else { 917*88ecc943SGeorge Wilson spa_config_exit(spa, SCL_VDEV, FTAG); 918*88ecc943SGeorge Wilson 919*88ecc943SGeorge Wilson /* 920*88ecc943SGeorge Wilson * Make 1/4 of the devices be log devices. 921*88ecc943SGeorge Wilson */ 922*88ecc943SGeorge Wilson nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 923*88ecc943SGeorge Wilson ztest_random(4) == 0, zopt_raidz, zopt_mirrors, 1); 924*88ecc943SGeorge Wilson 925*88ecc943SGeorge Wilson error = spa_vdev_add(spa, nvroot); 926*88ecc943SGeorge Wilson nvlist_free(nvroot); 927*88ecc943SGeorge Wilson 928*88ecc943SGeorge Wilson if (error == ENOSPC) 929*88ecc943SGeorge Wilson ztest_record_enospc("spa_vdev_add"); 930*88ecc943SGeorge Wilson else if (error != 0) 931*88ecc943SGeorge Wilson fatal(0, "spa_vdev_add() = %d", error); 932*88ecc943SGeorge Wilson } 933*88ecc943SGeorge Wilson 934*88ecc943SGeorge Wilson (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 935e14bb325SJeff Bonwick } 936fa9e4066Sahrens 937e14bb325SJeff Bonwick /* 938e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 939e14bb325SJeff Bonwick */ 940e14bb325SJeff Bonwick void 941e14bb325SJeff Bonwick ztest_vdev_aux_add_remove(ztest_args_t *za) 942e14bb325SJeff Bonwick { 943e14bb325SJeff Bonwick spa_t *spa = za->za_spa; 94431157203SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 945e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 946e14bb325SJeff Bonwick char *aux; 947e14bb325SJeff Bonwick uint64_t guid = 0; 948e14bb325SJeff Bonwick int error; 949e14bb325SJeff Bonwick 95031157203SJeff Bonwick if (ztest_random(2) == 0) { 951e14bb325SJeff Bonwick sav = &spa->spa_spares; 952e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 953e14bb325SJeff Bonwick } else { 954e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 955e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 956e14bb325SJeff Bonwick } 957e14bb325SJeff Bonwick 958e14bb325SJeff Bonwick (void) mutex_lock(&ztest_shared->zs_vdev_lock); 959e14bb325SJeff Bonwick 960e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 961e14bb325SJeff Bonwick 962e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 963e14bb325SJeff Bonwick /* 964e14bb325SJeff Bonwick * Pick a random device to remove. 965e14bb325SJeff Bonwick */ 966e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 967e14bb325SJeff Bonwick } else { 968e14bb325SJeff Bonwick /* 969e14bb325SJeff Bonwick * Find an unused device we can add. 970e14bb325SJeff Bonwick */ 971e14bb325SJeff Bonwick ztest_shared->zs_vdev_aux = 0; 972e14bb325SJeff Bonwick for (;;) { 973e14bb325SJeff Bonwick char path[MAXPATHLEN]; 974e14bb325SJeff Bonwick int c; 975e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, zopt_dir, 976e14bb325SJeff Bonwick zopt_pool, aux, ztest_shared->zs_vdev_aux); 977e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 978e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 979e14bb325SJeff Bonwick path) == 0) 980e14bb325SJeff Bonwick break; 98131157203SJeff Bonwick if (c == sav->sav_count && 98231157203SJeff Bonwick vdev_lookup_by_path(rvd, path) == NULL) 983e14bb325SJeff Bonwick break; 984e14bb325SJeff Bonwick ztest_shared->zs_vdev_aux++; 985e14bb325SJeff Bonwick } 986e14bb325SJeff Bonwick } 987e14bb325SJeff Bonwick 988e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 989e14bb325SJeff Bonwick 990e14bb325SJeff Bonwick if (guid == 0) { 991e14bb325SJeff Bonwick /* 992e14bb325SJeff Bonwick * Add a new device. 993e14bb325SJeff Bonwick */ 99431157203SJeff Bonwick nvlist_t *nvroot = make_vdev_root(NULL, aux, 99531157203SJeff Bonwick (zopt_vdev_size * 5) / 4, 0, 0, 0, 0, 1); 996e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 997e14bb325SJeff Bonwick if (error != 0) 998e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 999e14bb325SJeff Bonwick nvlist_free(nvroot); 1000e14bb325SJeff Bonwick } else { 1001e14bb325SJeff Bonwick /* 1002e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 1003e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 1004e14bb325SJeff Bonwick * of devices that have pending state changes. 1005e14bb325SJeff Bonwick */ 1006e14bb325SJeff Bonwick if (ztest_random(2) == 0) 1007573ca77eSGeorge Wilson (void) vdev_online(spa, guid, 0, NULL); 1008e14bb325SJeff Bonwick 1009e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 1010e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 1011e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 1012e14bb325SJeff Bonwick } 1013e14bb325SJeff Bonwick 1014e14bb325SJeff Bonwick (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1015fa9e4066Sahrens } 1016fa9e4066Sahrens 1017fa9e4066Sahrens /* 1018fa9e4066Sahrens * Verify that we can attach and detach devices. 1019fa9e4066Sahrens */ 1020fa9e4066Sahrens void 1021fa9e4066Sahrens ztest_vdev_attach_detach(ztest_args_t *za) 1022fa9e4066Sahrens { 1023e05725b1Sbonwick spa_t *spa = za->za_spa; 102431157203SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_spares; 1025fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 1026ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 1027e14bb325SJeff Bonwick nvlist_t *root; 1028fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 1029fa9e4066Sahrens uint64_t leaf, top; 1030ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 10318ad4d6ddSJeff Bonwick uint64_t oldguid, pguid; 1032ea8dc4b6Seschrock size_t oldsize, newsize; 1033ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 1034fa9e4066Sahrens int replacing; 10359af0a4dfSJeff Bonwick int oldvd_has_siblings = B_FALSE; 103631157203SJeff Bonwick int newvd_is_spare = B_FALSE; 103731157203SJeff Bonwick int oldvd_is_log; 1038fa9e4066Sahrens int error, expected_error; 1039fa9e4066Sahrens 1040fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 1041fa9e4066Sahrens 1042e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 1043fa9e4066Sahrens 1044fa9e4066Sahrens /* 1045fa9e4066Sahrens * Decide whether to do an attach or a replace. 1046fa9e4066Sahrens */ 1047fa9e4066Sahrens replacing = ztest_random(2); 1048fa9e4066Sahrens 1049fa9e4066Sahrens /* 1050fa9e4066Sahrens * Pick a random top-level vdev. 1051fa9e4066Sahrens */ 1052fa9e4066Sahrens top = ztest_random(rvd->vdev_children); 1053fa9e4066Sahrens 1054fa9e4066Sahrens /* 1055fa9e4066Sahrens * Pick a random leaf within it. 1056fa9e4066Sahrens */ 1057fa9e4066Sahrens leaf = ztest_random(leaves); 1058fa9e4066Sahrens 1059fa9e4066Sahrens /* 106031157203SJeff Bonwick * Locate this vdev. 1061fa9e4066Sahrens */ 106231157203SJeff Bonwick oldvd = rvd->vdev_child[top]; 10638ad4d6ddSJeff Bonwick if (zopt_mirrors >= 1) { 10648ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_mirror_ops); 10658ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= zopt_mirrors); 106631157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf / zopt_raidz]; 10678ad4d6ddSJeff Bonwick } 10688ad4d6ddSJeff Bonwick if (zopt_raidz > 1) { 10698ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_raidz_ops); 10708ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children == zopt_raidz); 107131157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf % zopt_raidz]; 10728ad4d6ddSJeff Bonwick } 1073fa9e4066Sahrens 1074fa9e4066Sahrens /* 107531157203SJeff Bonwick * If we're already doing an attach or replace, oldvd may be a 107631157203SJeff Bonwick * mirror vdev -- in which case, pick a random child. 1077fa9e4066Sahrens */ 107831157203SJeff Bonwick while (oldvd->vdev_children != 0) { 10799af0a4dfSJeff Bonwick oldvd_has_siblings = B_TRUE; 10808ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= 2); 10818ad4d6ddSJeff Bonwick oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)]; 108231157203SJeff Bonwick } 1083fa9e4066Sahrens 108431157203SJeff Bonwick oldguid = oldvd->vdev_guid; 1085573ca77eSGeorge Wilson oldsize = vdev_get_min_asize(oldvd); 108631157203SJeff Bonwick oldvd_is_log = oldvd->vdev_top->vdev_islog; 108731157203SJeff Bonwick (void) strcpy(oldpath, oldvd->vdev_path); 1088ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 10898ad4d6ddSJeff Bonwick pguid = pvd->vdev_guid; 1090fa9e4066Sahrens 10919af0a4dfSJeff Bonwick /* 10929af0a4dfSJeff Bonwick * If oldvd has siblings, then half of the time, detach it. 10939af0a4dfSJeff Bonwick */ 10949af0a4dfSJeff Bonwick if (oldvd_has_siblings && ztest_random(2) == 0) { 10959af0a4dfSJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 10968ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, oldguid, pguid, B_FALSE); 10978ad4d6ddSJeff Bonwick if (error != 0 && error != ENODEV && error != EBUSY && 10988ad4d6ddSJeff Bonwick error != ENOTSUP) 10998ad4d6ddSJeff Bonwick fatal(0, "detach (%s) returned %d", oldpath, error); 11009af0a4dfSJeff Bonwick (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 11019af0a4dfSJeff Bonwick return; 11029af0a4dfSJeff Bonwick } 11039af0a4dfSJeff Bonwick 1104fa9e4066Sahrens /* 110531157203SJeff Bonwick * For the new vdev, choose with equal probability between the two 110631157203SJeff Bonwick * standard paths (ending in either 'a' or 'b') or a random hot spare. 1107fa9e4066Sahrens */ 110831157203SJeff Bonwick if (sav->sav_count != 0 && ztest_random(3) == 0) { 110931157203SJeff Bonwick newvd = sav->sav_vdevs[ztest_random(sav->sav_count)]; 111031157203SJeff Bonwick newvd_is_spare = B_TRUE; 111131157203SJeff Bonwick (void) strcpy(newpath, newvd->vdev_path); 111231157203SJeff Bonwick } else { 111331157203SJeff Bonwick (void) snprintf(newpath, sizeof (newpath), ztest_dev_template, 111431157203SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 111531157203SJeff Bonwick if (ztest_random(2) == 0) 111631157203SJeff Bonwick newpath[strlen(newpath) - 1] = 'b'; 111731157203SJeff Bonwick newvd = vdev_lookup_by_path(rvd, newpath); 111831157203SJeff Bonwick } 111931157203SJeff Bonwick 112031157203SJeff Bonwick if (newvd) { 1121573ca77eSGeorge Wilson newsize = vdev_get_min_asize(newvd); 112231157203SJeff Bonwick } else { 112331157203SJeff Bonwick /* 112431157203SJeff Bonwick * Make newsize a little bigger or smaller than oldsize. 112531157203SJeff Bonwick * If it's smaller, the attach should fail. 112631157203SJeff Bonwick * If it's larger, and we're doing a replace, 112731157203SJeff Bonwick * we should get dynamic LUN growth when we're done. 112831157203SJeff Bonwick */ 112931157203SJeff Bonwick newsize = 10 * oldsize / (9 + ztest_random(3)); 113031157203SJeff Bonwick } 1131fa9e4066Sahrens 1132fa9e4066Sahrens /* 1133fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 1134fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 1135fa9e4066Sahrens * 1136ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 1137fa9e4066Sahrens * 1138ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 1139fa9e4066Sahrens */ 114031157203SJeff Bonwick if (pvd->vdev_ops != &vdev_mirror_ops && 114131157203SJeff Bonwick pvd->vdev_ops != &vdev_root_ops && (!replacing || 114231157203SJeff Bonwick pvd->vdev_ops == &vdev_replacing_ops || 114331157203SJeff Bonwick pvd->vdev_ops == &vdev_spare_ops)) 114431157203SJeff Bonwick expected_error = ENOTSUP; 114531157203SJeff Bonwick else if (newvd_is_spare && (!replacing || oldvd_is_log)) 1146fa9e4066Sahrens expected_error = ENOTSUP; 114731157203SJeff Bonwick else if (newvd == oldvd) 114831157203SJeff Bonwick expected_error = replacing ? 0 : EBUSY; 114931157203SJeff Bonwick else if (vdev_lookup_by_path(rvd, newpath) != NULL) 115031157203SJeff Bonwick expected_error = EBUSY; 1151ea8dc4b6Seschrock else if (newsize < oldsize) 1152fa9e4066Sahrens expected_error = EOVERFLOW; 1153ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 1154ecc2d604Sbonwick expected_error = EDOM; 1155fa9e4066Sahrens else 1156fa9e4066Sahrens expected_error = 0; 1157fa9e4066Sahrens 1158e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 1159fa9e4066Sahrens 1160fa9e4066Sahrens /* 1161ea8dc4b6Seschrock * Build the nvlist describing newpath. 1162fa9e4066Sahrens */ 1163e14bb325SJeff Bonwick root = make_vdev_root(newpath, NULL, newvd == NULL ? newsize : 0, 1164e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 1165fa9e4066Sahrens 116631157203SJeff Bonwick error = spa_vdev_attach(spa, oldguid, root, replacing); 1167fa9e4066Sahrens 1168fa9e4066Sahrens nvlist_free(root); 1169fa9e4066Sahrens 1170fa9e4066Sahrens /* 1171fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 1172fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 1173fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 1174fa9e4066Sahrens */ 1175fa9e4066Sahrens if (expected_error == ENOTSUP && 1176fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 1177fa9e4066Sahrens expected_error = error; 1178fa9e4066Sahrens 1179f0aa80d4Sbonwick /* 1180f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 1181f0aa80d4Sbonwick */ 1182088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 1183f0aa80d4Sbonwick expected_error = error; 1184f0aa80d4Sbonwick 1185088f3894Sahrens /* XXX workaround 6690467 */ 1186088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 1187088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 1188088f3894Sahrens "returned %d, expected %d", 1189088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 1190088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 1191fa9e4066Sahrens } 1192fa9e4066Sahrens 1193fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1194fa9e4066Sahrens } 1195fa9e4066Sahrens 1196573ca77eSGeorge Wilson /* 1197573ca77eSGeorge Wilson * Callback function which expands the physical size of the vdev. 1198573ca77eSGeorge Wilson */ 1199573ca77eSGeorge Wilson vdev_t * 1200573ca77eSGeorge Wilson grow_vdev(vdev_t *vd, void *arg) 1201573ca77eSGeorge Wilson { 1202573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 1203573ca77eSGeorge Wilson size_t *newsize = arg; 1204573ca77eSGeorge Wilson size_t fsize; 1205573ca77eSGeorge Wilson int fd; 1206573ca77eSGeorge Wilson 1207573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 1208573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 1209573ca77eSGeorge Wilson 1210573ca77eSGeorge Wilson if ((fd = open(vd->vdev_path, O_RDWR)) == -1) 1211573ca77eSGeorge Wilson return (vd); 1212573ca77eSGeorge Wilson 1213573ca77eSGeorge Wilson fsize = lseek(fd, 0, SEEK_END); 1214573ca77eSGeorge Wilson (void) ftruncate(fd, *newsize); 1215573ca77eSGeorge Wilson 1216573ca77eSGeorge Wilson if (zopt_verbose >= 6) { 1217573ca77eSGeorge Wilson (void) printf("%s grew from %lu to %lu bytes\n", 1218573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)fsize, (ulong_t)*newsize); 1219573ca77eSGeorge Wilson } 1220573ca77eSGeorge Wilson (void) close(fd); 1221573ca77eSGeorge Wilson return (NULL); 1222573ca77eSGeorge Wilson } 1223573ca77eSGeorge Wilson 1224573ca77eSGeorge Wilson /* 1225573ca77eSGeorge Wilson * Callback function which expands a given vdev by calling vdev_online(). 1226573ca77eSGeorge Wilson */ 1227573ca77eSGeorge Wilson /* ARGSUSED */ 1228573ca77eSGeorge Wilson vdev_t * 1229573ca77eSGeorge Wilson online_vdev(vdev_t *vd, void *arg) 1230573ca77eSGeorge Wilson { 1231573ca77eSGeorge Wilson spa_t *spa = vd->vdev_spa; 1232573ca77eSGeorge Wilson vdev_t *tvd = vd->vdev_top; 1233573ca77eSGeorge Wilson vdev_t *pvd = vd->vdev_parent; 1234573ca77eSGeorge Wilson uint64_t guid = vd->vdev_guid; 1235573ca77eSGeorge Wilson 1236573ca77eSGeorge Wilson ASSERT(spa_config_held(spa, SCL_STATE, RW_READER) == SCL_STATE); 1237573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 1238573ca77eSGeorge Wilson 1239573ca77eSGeorge Wilson /* Calling vdev_online will initialize the new metaslabs */ 1240573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 1241573ca77eSGeorge Wilson (void) vdev_online(spa, guid, ZFS_ONLINE_EXPAND, NULL); 1242573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 1243573ca77eSGeorge Wilson 1244573ca77eSGeorge Wilson /* 1245573ca77eSGeorge Wilson * Since we dropped the lock we need to ensure that we're 1246573ca77eSGeorge Wilson * still talking to the original vdev. It's possible this 1247573ca77eSGeorge Wilson * vdev may have been detached/replaced while we were 1248573ca77eSGeorge Wilson * trying to online it. 1249573ca77eSGeorge Wilson */ 1250573ca77eSGeorge Wilson if (vd != vdev_lookup_by_guid(tvd, guid) || vd->vdev_parent != pvd) { 1251573ca77eSGeorge Wilson if (zopt_verbose >= 6) { 1252573ca77eSGeorge Wilson (void) printf("vdev %p has disappeared, was " 1253573ca77eSGeorge Wilson "guid %llu\n", (void *)vd, (u_longlong_t)guid); 1254573ca77eSGeorge Wilson } 1255573ca77eSGeorge Wilson return (vd); 1256573ca77eSGeorge Wilson } 1257573ca77eSGeorge Wilson return (NULL); 1258573ca77eSGeorge Wilson } 1259573ca77eSGeorge Wilson 1260573ca77eSGeorge Wilson /* 1261573ca77eSGeorge Wilson * Traverse the vdev tree calling the supplied function. 1262573ca77eSGeorge Wilson * We continue to walk the tree until we either have walked all 1263573ca77eSGeorge Wilson * children or we receive a non-NULL return from the callback. 1264573ca77eSGeorge Wilson * If a NULL callback is passed, then we just return back the first 1265573ca77eSGeorge Wilson * leaf vdev we encounter. 1266573ca77eSGeorge Wilson */ 1267573ca77eSGeorge Wilson vdev_t * 1268573ca77eSGeorge Wilson vdev_walk_tree(vdev_t *vd, vdev_t *(*func)(vdev_t *, void *), void *arg) 1269573ca77eSGeorge Wilson { 1270573ca77eSGeorge Wilson if (vd->vdev_ops->vdev_op_leaf) { 1271573ca77eSGeorge Wilson if (func == NULL) 1272573ca77eSGeorge Wilson return (vd); 1273573ca77eSGeorge Wilson else 1274573ca77eSGeorge Wilson return (func(vd, arg)); 1275573ca77eSGeorge Wilson } 1276573ca77eSGeorge Wilson 1277573ca77eSGeorge Wilson for (uint_t c = 0; c < vd->vdev_children; c++) { 1278573ca77eSGeorge Wilson vdev_t *cvd = vd->vdev_child[c]; 1279573ca77eSGeorge Wilson if ((cvd = vdev_walk_tree(cvd, func, arg)) != NULL) 1280573ca77eSGeorge Wilson return (cvd); 1281573ca77eSGeorge Wilson } 1282573ca77eSGeorge Wilson return (NULL); 1283573ca77eSGeorge Wilson } 1284573ca77eSGeorge Wilson 1285fa9e4066Sahrens /* 1286fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 1287fa9e4066Sahrens */ 1288fa9e4066Sahrens void 1289fa9e4066Sahrens ztest_vdev_LUN_growth(ztest_args_t *za) 1290fa9e4066Sahrens { 1291e05725b1Sbonwick spa_t *spa = za->za_spa; 1292573ca77eSGeorge Wilson vdev_t *vd, *tvd = NULL; 1293573ca77eSGeorge Wilson size_t psize, newsize; 1294573ca77eSGeorge Wilson uint64_t spa_newsize, spa_cursize, ms_count; 1295fa9e4066Sahrens 1296fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 1297573ca77eSGeorge Wilson mutex_enter(&spa_namespace_lock); 1298573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 1299573ca77eSGeorge Wilson 1300573ca77eSGeorge Wilson while (tvd == NULL || tvd->vdev_islog) { 1301573ca77eSGeorge Wilson uint64_t vdev; 1302573ca77eSGeorge Wilson 1303573ca77eSGeorge Wilson vdev = ztest_random(spa->spa_root_vdev->vdev_children); 1304573ca77eSGeorge Wilson tvd = spa->spa_root_vdev->vdev_child[vdev]; 1305573ca77eSGeorge Wilson } 1306fa9e4066Sahrens 1307fa9e4066Sahrens /* 1308573ca77eSGeorge Wilson * Determine the size of the first leaf vdev associated with 1309573ca77eSGeorge Wilson * our top-level device. 1310fa9e4066Sahrens */ 1311573ca77eSGeorge Wilson vd = vdev_walk_tree(tvd, NULL, NULL); 1312573ca77eSGeorge Wilson ASSERT3P(vd, !=, NULL); 1313573ca77eSGeorge Wilson ASSERT(vd->vdev_ops->vdev_op_leaf); 1314fa9e4066Sahrens 1315573ca77eSGeorge Wilson psize = vd->vdev_psize; 1316fa9e4066Sahrens 1317573ca77eSGeorge Wilson /* 1318573ca77eSGeorge Wilson * We only try to expand the vdev if it's less than 4x its 1319573ca77eSGeorge Wilson * original size and it has a valid psize. 1320573ca77eSGeorge Wilson */ 1321573ca77eSGeorge Wilson if (psize == 0 || psize >= 4 * zopt_vdev_size) { 1322573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 1323573ca77eSGeorge Wilson mutex_exit(&spa_namespace_lock); 1324573ca77eSGeorge Wilson (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1325573ca77eSGeorge Wilson return; 1326573ca77eSGeorge Wilson } 1327573ca77eSGeorge Wilson ASSERT(psize > 0); 1328573ca77eSGeorge Wilson newsize = psize + psize / 8; 1329573ca77eSGeorge Wilson ASSERT3U(newsize, >, psize); 1330fa9e4066Sahrens 1331573ca77eSGeorge Wilson if (zopt_verbose >= 6) { 1332573ca77eSGeorge Wilson (void) printf("Expanding vdev %s from %lu to %lu\n", 1333573ca77eSGeorge Wilson vd->vdev_path, (ulong_t)psize, (ulong_t)newsize); 1334573ca77eSGeorge Wilson } 1335573ca77eSGeorge Wilson 1336573ca77eSGeorge Wilson spa_cursize = spa_get_space(spa); 1337573ca77eSGeorge Wilson ms_count = tvd->vdev_ms_count; 1338573ca77eSGeorge Wilson 1339573ca77eSGeorge Wilson /* 1340573ca77eSGeorge Wilson * Growing the vdev is a two step process: 1341573ca77eSGeorge Wilson * 1). expand the physical size (i.e. relabel) 1342573ca77eSGeorge Wilson * 2). online the vdev to create the new metaslabs 1343573ca77eSGeorge Wilson */ 1344573ca77eSGeorge Wilson if (vdev_walk_tree(tvd, grow_vdev, &newsize) != NULL || 1345573ca77eSGeorge Wilson vdev_walk_tree(tvd, online_vdev, NULL) != NULL || 1346573ca77eSGeorge Wilson tvd->vdev_state != VDEV_STATE_HEALTHY) { 1347573ca77eSGeorge Wilson if (zopt_verbose >= 5) { 1348573ca77eSGeorge Wilson (void) printf("Could not expand LUN because " 1349573ca77eSGeorge Wilson "some vdevs were not healthy\n"); 1350fa9e4066Sahrens } 1351573ca77eSGeorge Wilson (void) spa_config_exit(spa, SCL_STATE, spa); 1352573ca77eSGeorge Wilson mutex_exit(&spa_namespace_lock); 1353573ca77eSGeorge Wilson (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1354573ca77eSGeorge Wilson return; 1355fa9e4066Sahrens } 1356fa9e4066Sahrens 1357573ca77eSGeorge Wilson (void) spa_config_exit(spa, SCL_STATE, spa); 1358573ca77eSGeorge Wilson mutex_exit(&spa_namespace_lock); 1359573ca77eSGeorge Wilson 1360573ca77eSGeorge Wilson /* 1361573ca77eSGeorge Wilson * Expanding the LUN will update the config asynchronously, 1362573ca77eSGeorge Wilson * thus we must wait for the async thread to complete any 1363573ca77eSGeorge Wilson * pending tasks before proceeding. 1364573ca77eSGeorge Wilson */ 1365573ca77eSGeorge Wilson mutex_enter(&spa->spa_async_lock); 1366573ca77eSGeorge Wilson while (spa->spa_async_thread != NULL || spa->spa_async_tasks) 1367573ca77eSGeorge Wilson cv_wait(&spa->spa_async_cv, &spa->spa_async_lock); 1368573ca77eSGeorge Wilson mutex_exit(&spa->spa_async_lock); 1369573ca77eSGeorge Wilson 1370573ca77eSGeorge Wilson spa_config_enter(spa, SCL_STATE, spa, RW_READER); 1371573ca77eSGeorge Wilson spa_newsize = spa_get_space(spa); 1372573ca77eSGeorge Wilson 1373573ca77eSGeorge Wilson /* 1374573ca77eSGeorge Wilson * Make sure we were able to grow the pool. 1375573ca77eSGeorge Wilson */ 1376573ca77eSGeorge Wilson if (ms_count >= tvd->vdev_ms_count || 1377573ca77eSGeorge Wilson spa_cursize >= spa_newsize) { 1378573ca77eSGeorge Wilson (void) printf("Top-level vdev metaslab count: " 1379573ca77eSGeorge Wilson "before %llu, after %llu\n", 1380573ca77eSGeorge Wilson (u_longlong_t)ms_count, 1381573ca77eSGeorge Wilson (u_longlong_t)tvd->vdev_ms_count); 1382573ca77eSGeorge Wilson fatal(0, "LUN expansion failed: before %llu, " 1383573ca77eSGeorge Wilson "after %llu\n", spa_cursize, spa_newsize); 1384573ca77eSGeorge Wilson } else if (zopt_verbose >= 5) { 1385573ca77eSGeorge Wilson char oldnumbuf[6], newnumbuf[6]; 1386573ca77eSGeorge Wilson 1387573ca77eSGeorge Wilson nicenum(spa_cursize, oldnumbuf); 1388573ca77eSGeorge Wilson nicenum(spa_newsize, newnumbuf); 1389573ca77eSGeorge Wilson (void) printf("%s grew from %s to %s\n", 1390573ca77eSGeorge Wilson spa->spa_name, oldnumbuf, newnumbuf); 1391573ca77eSGeorge Wilson } 1392573ca77eSGeorge Wilson spa_config_exit(spa, SCL_STATE, spa); 1393fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1394fa9e4066Sahrens } 1395fa9e4066Sahrens 1396fa9e4066Sahrens /* ARGSUSED */ 1397fa9e4066Sahrens static void 1398ecd6cf80Smarks ztest_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 1399fa9e4066Sahrens { 1400fa9e4066Sahrens /* 1401fa9e4066Sahrens * Create the directory object. 1402fa9e4066Sahrens */ 1403fa9e4066Sahrens VERIFY(dmu_object_claim(os, ZTEST_DIROBJ, 1404fa9e4066Sahrens DMU_OT_UINT64_OTHER, ZTEST_DIROBJ_BLOCKSIZE, 1405e05725b1Sbonwick DMU_OT_UINT64_OTHER, 5 * sizeof (ztest_block_tag_t), tx) == 0); 1406fa9e4066Sahrens 1407fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_MICROZAP_OBJ, 1408fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1409fa9e4066Sahrens 1410fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_FATZAP_OBJ, 1411fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1412fa9e4066Sahrens } 1413fa9e4066Sahrens 14141d452cf5Sahrens static int 1415fa9e4066Sahrens ztest_destroy_cb(char *name, void *arg) 1416fa9e4066Sahrens { 1417e05725b1Sbonwick ztest_args_t *za = arg; 1418fa9e4066Sahrens objset_t *os; 1419e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 1420fa9e4066Sahrens int error; 1421fa9e4066Sahrens 1422fa9e4066Sahrens /* 1423fa9e4066Sahrens * Verify that the dataset contains a directory object. 1424fa9e4066Sahrens */ 1425503ad85cSMatthew Ahrens error = dmu_objset_hold(name, FTAG, &os); 1426fa9e4066Sahrens ASSERT3U(error, ==, 0); 1427e05725b1Sbonwick error = dmu_object_info(os, ZTEST_DIROBJ, doi); 1428e1930233Sbonwick if (error != ENOENT) { 1429e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 1430e1930233Sbonwick ASSERT3U(error, ==, 0); 1431e05725b1Sbonwick ASSERT3U(doi->doi_type, ==, DMU_OT_UINT64_OTHER); 1432e05725b1Sbonwick ASSERT3S(doi->doi_physical_blks, >=, 0); 1433e1930233Sbonwick } 1434503ad85cSMatthew Ahrens dmu_objset_rele(os, FTAG); 1435fa9e4066Sahrens 1436fa9e4066Sahrens /* 1437fa9e4066Sahrens * Destroy the dataset. 1438fa9e4066Sahrens */ 1439842727c2SChris Kirby error = dmu_objset_destroy(name, B_FALSE); 1440745cd3c5Smaybee if (error) { 1441503ad85cSMatthew Ahrens (void) dmu_objset_hold(name, FTAG, &os); 1442503ad85cSMatthew Ahrens fatal(0, "dmu_objset_destroy(os=%p) = %d\n", os, error); 1443745cd3c5Smaybee } 14441d452cf5Sahrens return (0); 1445fa9e4066Sahrens } 1446fa9e4066Sahrens 1447fa9e4066Sahrens /* 1448fa9e4066Sahrens * Verify that dmu_objset_{create,destroy,open,close} work as expected. 1449fa9e4066Sahrens */ 1450fa9e4066Sahrens static uint64_t 1451fa9e4066Sahrens ztest_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t object, int mode) 1452fa9e4066Sahrens { 1453fa9e4066Sahrens itx_t *itx; 1454fa9e4066Sahrens lr_create_t *lr; 1455fa9e4066Sahrens size_t namesize; 1456fa9e4066Sahrens char name[24]; 1457fa9e4066Sahrens 1458fa9e4066Sahrens (void) sprintf(name, "ZOBJ_%llu", (u_longlong_t)object); 1459fa9e4066Sahrens namesize = strlen(name) + 1; 1460fa9e4066Sahrens 1461fa9e4066Sahrens itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize + 1462fa9e4066Sahrens ztest_random(ZIL_MAX_BLKSZ)); 1463fa9e4066Sahrens lr = (lr_create_t *)&itx->itx_lr; 1464fa9e4066Sahrens bzero(lr + 1, lr->lr_common.lrc_reclen - sizeof (*lr)); 1465fa9e4066Sahrens lr->lr_doid = object; 1466fa9e4066Sahrens lr->lr_foid = 0; 1467fa9e4066Sahrens lr->lr_mode = mode; 1468fa9e4066Sahrens lr->lr_uid = 0; 1469fa9e4066Sahrens lr->lr_gid = 0; 1470fa9e4066Sahrens lr->lr_gen = dmu_tx_get_txg(tx); 1471fa9e4066Sahrens lr->lr_crtime[0] = time(NULL); 1472fa9e4066Sahrens lr->lr_crtime[1] = 0; 1473fa9e4066Sahrens lr->lr_rdev = 0; 1474fa9e4066Sahrens bcopy(name, (char *)(lr + 1), namesize); 1475fa9e4066Sahrens 1476fa9e4066Sahrens return (zil_itx_assign(zilog, itx, tx)); 1477fa9e4066Sahrens } 1478fa9e4066Sahrens 1479fa9e4066Sahrens void 1480fa9e4066Sahrens ztest_dmu_objset_create_destroy(ztest_args_t *za) 1481fa9e4066Sahrens { 1482fa9e4066Sahrens int error; 1483745cd3c5Smaybee objset_t *os, *os2; 1484fa9e4066Sahrens char name[100]; 1485fa9e4066Sahrens zilog_t *zilog; 1486fa9e4066Sahrens uint64_t seq; 1487fa9e4066Sahrens uint64_t objects; 1488fa9e4066Sahrens 1489fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1490fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_temp_%llu", za->za_pool, za->za_pool, 1491fa9e4066Sahrens (u_longlong_t)za->za_instance); 1492fa9e4066Sahrens 1493fa9e4066Sahrens /* 1494fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 1495fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 1496fa9e4066Sahrens * (invoked from ztest_destroy_cb() below) should just throw it away. 1497fa9e4066Sahrens */ 1498fa9e4066Sahrens if (ztest_random(2) == 0 && 1499503ad85cSMatthew Ahrens dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os) == 0) { 15001209a471SNeil Perrin zil_replay(os, os, ztest_replay_vector); 1501503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 1502fa9e4066Sahrens } 1503fa9e4066Sahrens 1504fa9e4066Sahrens /* 1505fa9e4066Sahrens * There may be an old instance of the dataset we're about to 1506fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 1507fa9e4066Sahrens * and all of its snapshots. 1508fa9e4066Sahrens */ 1509e05725b1Sbonwick (void) dmu_objset_find(name, ztest_destroy_cb, za, 15100b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 1511fa9e4066Sahrens 1512fa9e4066Sahrens /* 1513fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 1514fa9e4066Sahrens */ 1515503ad85cSMatthew Ahrens error = dmu_objset_hold(name, FTAG, &os); 1516fa9e4066Sahrens if (error != ENOENT) 1517fa9e4066Sahrens fatal(1, "dmu_objset_open(%s) found destroyed dataset %p", 1518fa9e4066Sahrens name, os); 1519fa9e4066Sahrens 1520fa9e4066Sahrens /* 1521fa9e4066Sahrens * Verify that we can create a new dataset. 1522fa9e4066Sahrens */ 1523ae46e4c7SMatthew Ahrens error = dmu_objset_create(name, DMU_OST_OTHER, 0, 1524ab04eb8eStimh ztest_create_cb, NULL); 1525fa9e4066Sahrens if (error) { 1526fa9e4066Sahrens if (error == ENOSPC) { 1527fa9e4066Sahrens ztest_record_enospc("dmu_objset_create"); 1528fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1529fa9e4066Sahrens return; 1530fa9e4066Sahrens } 1531fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 1532fa9e4066Sahrens } 1533fa9e4066Sahrens 1534503ad85cSMatthew Ahrens error = dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os); 1535fa9e4066Sahrens if (error) { 1536fa9e4066Sahrens fatal(0, "dmu_objset_open(%s) = %d", name, error); 1537fa9e4066Sahrens } 1538fa9e4066Sahrens 1539fa9e4066Sahrens /* 1540fa9e4066Sahrens * Open the intent log for it. 1541fa9e4066Sahrens */ 1542fa9e4066Sahrens zilog = zil_open(os, NULL); 1543fa9e4066Sahrens 1544fa9e4066Sahrens /* 1545fa9e4066Sahrens * Put a random number of objects in there. 1546fa9e4066Sahrens */ 1547d80c45e0Sbonwick objects = ztest_random(20); 1548fa9e4066Sahrens seq = 0; 1549fa9e4066Sahrens while (objects-- != 0) { 1550fa9e4066Sahrens uint64_t object; 1551fa9e4066Sahrens dmu_tx_t *tx = dmu_tx_create(os); 1552fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, sizeof (name)); 1553fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1554fa9e4066Sahrens if (error) { 1555fa9e4066Sahrens dmu_tx_abort(tx); 1556fa9e4066Sahrens } else { 1557fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1558fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1559fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1560fa9e4066Sahrens seq = ztest_log_create(zilog, tx, object, 1561fa9e4066Sahrens DMU_OT_UINT64_OTHER); 1562fa9e4066Sahrens dmu_write(os, object, 0, sizeof (name), name, tx); 1563fa9e4066Sahrens dmu_tx_commit(tx); 1564fa9e4066Sahrens } 1565fa9e4066Sahrens if (ztest_random(5) == 0) { 1566b19a79ecSperrin zil_commit(zilog, seq, object); 1567fa9e4066Sahrens } 1568d80c45e0Sbonwick if (ztest_random(100) == 0) { 1569fa9e4066Sahrens error = zil_suspend(zilog); 1570fa9e4066Sahrens if (error == 0) { 1571fa9e4066Sahrens zil_resume(zilog); 1572fa9e4066Sahrens } 1573fa9e4066Sahrens } 1574fa9e4066Sahrens } 1575fa9e4066Sahrens 1576fa9e4066Sahrens /* 1577fa9e4066Sahrens * Verify that we cannot create an existing dataset. 1578fa9e4066Sahrens */ 1579ae46e4c7SMatthew Ahrens error = dmu_objset_create(name, DMU_OST_OTHER, 0, NULL, NULL); 1580fa9e4066Sahrens if (error != EEXIST) 1581fa9e4066Sahrens fatal(0, "created existing dataset, error = %d", error); 1582fa9e4066Sahrens 1583fa9e4066Sahrens /* 1584503ad85cSMatthew Ahrens * Verify that we can hold an objset that is also owned. 1585745cd3c5Smaybee */ 1586503ad85cSMatthew Ahrens error = dmu_objset_hold(name, FTAG, &os2); 1587503ad85cSMatthew Ahrens if (error) 1588503ad85cSMatthew Ahrens fatal(0, "dmu_objset_open('%s') = %d", name, error); 1589503ad85cSMatthew Ahrens dmu_objset_rele(os2, FTAG); 1590503ad85cSMatthew Ahrens 1591503ad85cSMatthew Ahrens /* 1592503ad85cSMatthew Ahrens * Verify that we can not own an objset that is already owned. 1593503ad85cSMatthew Ahrens */ 1594503ad85cSMatthew Ahrens error = dmu_objset_own(name, DMU_OST_OTHER, B_FALSE, FTAG, &os2); 1595503ad85cSMatthew Ahrens if (error != EBUSY) 1596503ad85cSMatthew Ahrens fatal(0, "dmu_objset_open('%s') = %d, expected EBUSY", 1597503ad85cSMatthew Ahrens name, error); 1598fa9e4066Sahrens 1599fa9e4066Sahrens zil_close(zilog); 1600503ad85cSMatthew Ahrens dmu_objset_disown(os, FTAG); 1601fa9e4066Sahrens 1602842727c2SChris Kirby error = dmu_objset_destroy(name, B_FALSE); 1603fa9e4066Sahrens if (error) 1604fa9e4066Sahrens fatal(0, "dmu_objset_destroy(%s) = %d", name, error); 1605fa9e4066Sahrens 1606fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1607fa9e4066Sahrens } 1608fa9e4066Sahrens 1609fa9e4066Sahrens /* 1610fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 1611fa9e4066Sahrens */ 1612fa9e4066Sahrens void 1613fa9e4066Sahrens ztest_dmu_snapshot_create_destroy(ztest_args_t *za) 1614fa9e4066Sahrens { 1615fa9e4066Sahrens int error; 1616fa9e4066Sahrens objset_t *os = za->za_os; 1617fa9e4066Sahrens char snapname[100]; 1618fa9e4066Sahrens char osname[MAXNAMELEN]; 1619fa9e4066Sahrens 1620fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1621fa9e4066Sahrens dmu_objset_name(os, osname); 1622fa9e4066Sahrens (void) snprintf(snapname, 100, "%s@%llu", osname, 1623fa9e4066Sahrens (u_longlong_t)za->za_instance); 1624fa9e4066Sahrens 1625842727c2SChris Kirby error = dmu_objset_destroy(snapname, B_FALSE); 1626fa9e4066Sahrens if (error != 0 && error != ENOENT) 1627fa9e4066Sahrens fatal(0, "dmu_objset_destroy() = %d", error); 1628ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(osname, strchr(snapname, '@')+1, 1629ea2f5b9eSMatthew Ahrens NULL, FALSE); 1630fa9e4066Sahrens if (error == ENOSPC) 1631fa9e4066Sahrens ztest_record_enospc("dmu_take_snapshot"); 1632fa9e4066Sahrens else if (error != 0 && error != EEXIST) 1633fa9e4066Sahrens fatal(0, "dmu_take_snapshot() = %d", error); 1634fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 16354f5064b7SMark J Musante } 16364f5064b7SMark J Musante 1637718d718aSGeorge Wilson /* 1638718d718aSGeorge Wilson * Cleanup non-standard snapshots and clones. 1639718d718aSGeorge Wilson */ 1640718d718aSGeorge Wilson void 1641718d718aSGeorge Wilson ztest_dsl_dataset_cleanup(char *osname, uint64_t curval) 1642718d718aSGeorge Wilson { 1643718d718aSGeorge Wilson char snap1name[100]; 1644718d718aSGeorge Wilson char clone1name[100]; 1645718d718aSGeorge Wilson char snap2name[100]; 1646718d718aSGeorge Wilson char clone2name[100]; 1647718d718aSGeorge Wilson char snap3name[100]; 1648718d718aSGeorge Wilson int error; 1649718d718aSGeorge Wilson 1650718d718aSGeorge Wilson (void) snprintf(snap1name, 100, "%s@s1_%llu", osname, curval); 1651718d718aSGeorge Wilson (void) snprintf(clone1name, 100, "%s/c1_%llu", osname, curval); 1652718d718aSGeorge Wilson (void) snprintf(snap2name, 100, "%s@s2_%llu", clone1name, curval); 1653718d718aSGeorge Wilson (void) snprintf(clone2name, 100, "%s/c2_%llu", osname, curval); 1654718d718aSGeorge Wilson (void) snprintf(snap3name, 100, "%s@s3_%llu", clone1name, curval); 1655718d718aSGeorge Wilson 1656842727c2SChris Kirby error = dmu_objset_destroy(clone2name, B_FALSE); 1657718d718aSGeorge Wilson if (error && error != ENOENT) 1658718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone2name, error); 1659842727c2SChris Kirby error = dmu_objset_destroy(snap3name, B_FALSE); 1660718d718aSGeorge Wilson if (error && error != ENOENT) 1661718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap3name, error); 1662842727c2SChris Kirby error = dmu_objset_destroy(snap2name, B_FALSE); 1663718d718aSGeorge Wilson if (error && error != ENOENT) 1664718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error); 1665842727c2SChris Kirby error = dmu_objset_destroy(clone1name, B_FALSE); 1666718d718aSGeorge Wilson if (error && error != ENOENT) 1667718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", clone1name, error); 1668842727c2SChris Kirby error = dmu_objset_destroy(snap1name, B_FALSE); 1669718d718aSGeorge Wilson if (error && error != ENOENT) 1670718d718aSGeorge Wilson fatal(0, "dmu_objset_destroy(%s) = %d", snap1name, error); 1671718d718aSGeorge Wilson } 1672718d718aSGeorge Wilson 16734f5064b7SMark J Musante /* 16744f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 16754f5064b7SMark J Musante */ 16764f5064b7SMark J Musante void 16774f5064b7SMark J Musante ztest_dsl_dataset_promote_busy(ztest_args_t *za) 16784f5064b7SMark J Musante { 16794f5064b7SMark J Musante int error; 16804f5064b7SMark J Musante objset_t *os = za->za_os; 16814f5064b7SMark J Musante objset_t *clone; 16824f5064b7SMark J Musante dsl_dataset_t *ds; 16834f5064b7SMark J Musante char snap1name[100]; 16844f5064b7SMark J Musante char clone1name[100]; 16854f5064b7SMark J Musante char snap2name[100]; 16864f5064b7SMark J Musante char clone2name[100]; 16874f5064b7SMark J Musante char snap3name[100]; 16884f5064b7SMark J Musante char osname[MAXNAMELEN]; 1689718d718aSGeorge Wilson uint64_t curval = za->za_instance; 16904f5064b7SMark J Musante 16914f5064b7SMark J Musante (void) rw_rdlock(&ztest_shared->zs_name_lock); 16924f5064b7SMark J Musante 16934f5064b7SMark J Musante dmu_objset_name(os, osname); 1694718d718aSGeorge Wilson ztest_dsl_dataset_cleanup(osname, curval); 1695718d718aSGeorge Wilson 169605312e2cSMark J Musante (void) snprintf(snap1name, 100, "%s@s1_%llu", osname, curval); 169705312e2cSMark J Musante (void) snprintf(clone1name, 100, "%s/c1_%llu", osname, curval); 169805312e2cSMark J Musante (void) snprintf(snap2name, 100, "%s@s2_%llu", clone1name, curval); 169905312e2cSMark J Musante (void) snprintf(clone2name, 100, "%s/c2_%llu", osname, curval); 170005312e2cSMark J Musante (void) snprintf(snap3name, 100, "%s@s3_%llu", clone1name, curval); 170105312e2cSMark J Musante 1702ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(osname, strchr(snap1name, '@')+1, 1703ea2f5b9eSMatthew Ahrens NULL, FALSE); 1704b2d22b66SGeorge Wilson if (error && error != EEXIST) { 1705b2d22b66SGeorge Wilson if (error == ENOSPC) { 1706b2d22b66SGeorge Wilson ztest_record_enospc("dmu_take_snapshot"); 1707b2d22b66SGeorge Wilson goto out; 1708b2d22b66SGeorge Wilson } 1709b2d22b66SGeorge Wilson fatal(0, "dmu_take_snapshot(%s) = %d", snap1name, error); 1710b2d22b66SGeorge Wilson } 17114f5064b7SMark J Musante 1712503ad85cSMatthew Ahrens error = dmu_objset_hold(snap1name, FTAG, &clone); 17134f5064b7SMark J Musante if (error) 17144f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap1name, error); 17154f5064b7SMark J Musante 1716ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone1name, dmu_objset_ds(clone), 0); 1717503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 1718b2d22b66SGeorge Wilson if (error) { 1719b2d22b66SGeorge Wilson if (error == ENOSPC) { 1720b2d22b66SGeorge Wilson ztest_record_enospc("dmu_objset_create"); 1721b2d22b66SGeorge Wilson goto out; 1722b2d22b66SGeorge Wilson } 1723b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 1724b2d22b66SGeorge Wilson } 17254f5064b7SMark J Musante 17264f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap2name, '@')+1, 1727ea2f5b9eSMatthew Ahrens NULL, FALSE); 1728b2d22b66SGeorge Wilson if (error && error != EEXIST) { 1729b2d22b66SGeorge Wilson if (error == ENOSPC) { 1730b2d22b66SGeorge Wilson ztest_record_enospc("dmu_take_snapshot"); 1731b2d22b66SGeorge Wilson goto out; 1732b2d22b66SGeorge Wilson } 1733b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap2name, error); 1734b2d22b66SGeorge Wilson } 17354f5064b7SMark J Musante 17364f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap3name, '@')+1, 1737ea2f5b9eSMatthew Ahrens NULL, FALSE); 1738b2d22b66SGeorge Wilson if (error && error != EEXIST) { 1739b2d22b66SGeorge Wilson if (error == ENOSPC) { 1740b2d22b66SGeorge Wilson ztest_record_enospc("dmu_take_snapshot"); 1741b2d22b66SGeorge Wilson goto out; 1742b2d22b66SGeorge Wilson } 1743b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 1744b2d22b66SGeorge Wilson } 17454f5064b7SMark J Musante 1746503ad85cSMatthew Ahrens error = dmu_objset_hold(snap3name, FTAG, &clone); 17474f5064b7SMark J Musante if (error) 17484f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 17494f5064b7SMark J Musante 1750ae46e4c7SMatthew Ahrens error = dmu_objset_clone(clone2name, dmu_objset_ds(clone), 0); 1751503ad85cSMatthew Ahrens dmu_objset_rele(clone, FTAG); 1752b2d22b66SGeorge Wilson if (error) { 1753b2d22b66SGeorge Wilson if (error == ENOSPC) { 1754b2d22b66SGeorge Wilson ztest_record_enospc("dmu_objset_create"); 1755b2d22b66SGeorge Wilson goto out; 1756b2d22b66SGeorge Wilson } 1757b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 1758b2d22b66SGeorge Wilson } 17594f5064b7SMark J Musante 1760503ad85cSMatthew Ahrens error = dsl_dataset_own(snap1name, B_FALSE, FTAG, &ds); 17614f5064b7SMark J Musante if (error) 17624f5064b7SMark J Musante fatal(0, "dsl_dataset_own(%s) = %d", snap1name, error); 1763681d9761SEric Taylor error = dsl_dataset_promote(clone2name, NULL); 17644f5064b7SMark J Musante if (error != EBUSY) 17654f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 17664f5064b7SMark J Musante error); 17674f5064b7SMark J Musante dsl_dataset_disown(ds, FTAG); 17684f5064b7SMark J Musante 1769b2d22b66SGeorge Wilson out: 1770718d718aSGeorge Wilson ztest_dsl_dataset_cleanup(osname, curval); 17714f5064b7SMark J Musante 17724f5064b7SMark J Musante (void) rw_unlock(&ztest_shared->zs_name_lock); 1773fa9e4066Sahrens } 1774fa9e4066Sahrens 1775fa9e4066Sahrens /* 1776fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 1777fa9e4066Sahrens */ 1778fa9e4066Sahrens void 1779fa9e4066Sahrens ztest_dmu_object_alloc_free(ztest_args_t *za) 1780fa9e4066Sahrens { 1781fa9e4066Sahrens objset_t *os = za->za_os; 1782fa9e4066Sahrens dmu_buf_t *db; 1783fa9e4066Sahrens dmu_tx_t *tx; 1784fa9e4066Sahrens uint64_t batchobj, object, batchsize, endoff, temp; 1785fa9e4066Sahrens int b, c, error, bonuslen; 1786e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 1787fa9e4066Sahrens char osname[MAXNAMELEN]; 1788fa9e4066Sahrens 1789fa9e4066Sahrens dmu_objset_name(os, osname); 1790fa9e4066Sahrens 1791fa9e4066Sahrens endoff = -8ULL; 1792fa9e4066Sahrens batchsize = 2; 1793fa9e4066Sahrens 1794fa9e4066Sahrens /* 1795fa9e4066Sahrens * Create a batch object if necessary, and record it in the directory. 1796fa9e4066Sahrens */ 1797e14bb325SJeff Bonwick VERIFY3U(0, ==, dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 17987bfdf011SNeil Perrin sizeof (uint64_t), &batchobj, DMU_READ_PREFETCH)); 1799fa9e4066Sahrens if (batchobj == 0) { 1800fa9e4066Sahrens tx = dmu_tx_create(os); 1801fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 1802fa9e4066Sahrens sizeof (uint64_t)); 1803fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1804fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1805fa9e4066Sahrens if (error) { 1806fa9e4066Sahrens ztest_record_enospc("create a batch object"); 1807fa9e4066Sahrens dmu_tx_abort(tx); 1808fa9e4066Sahrens return; 1809fa9e4066Sahrens } 1810fa9e4066Sahrens batchobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1811fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1812fa9e4066Sahrens ztest_set_random_blocksize(os, batchobj, tx); 1813fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 1814fa9e4066Sahrens sizeof (uint64_t), &batchobj, tx); 1815fa9e4066Sahrens dmu_tx_commit(tx); 1816fa9e4066Sahrens } 1817fa9e4066Sahrens 1818fa9e4066Sahrens /* 1819fa9e4066Sahrens * Destroy the previous batch of objects. 1820fa9e4066Sahrens */ 1821fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1822088f3894Sahrens VERIFY3U(0, ==, dmu_read(os, batchobj, b * sizeof (uint64_t), 18237bfdf011SNeil Perrin sizeof (uint64_t), &object, DMU_READ_PREFETCH)); 1824fa9e4066Sahrens if (object == 0) 1825fa9e4066Sahrens continue; 1826fa9e4066Sahrens /* 1827fa9e4066Sahrens * Read and validate contents. 1828fa9e4066Sahrens * We expect the nth byte of the bonus buffer to be n. 1829fa9e4066Sahrens */ 1830ea8dc4b6Seschrock VERIFY(0 == dmu_bonus_hold(os, object, FTAG, &db)); 1831e05725b1Sbonwick za->za_dbuf = db; 1832fa9e4066Sahrens 1833e05725b1Sbonwick dmu_object_info_from_db(db, doi); 1834e05725b1Sbonwick ASSERT(doi->doi_type == DMU_OT_UINT64_OTHER); 1835e05725b1Sbonwick ASSERT(doi->doi_bonus_type == DMU_OT_PLAIN_OTHER); 1836e05725b1Sbonwick ASSERT3S(doi->doi_physical_blks, >=, 0); 1837fa9e4066Sahrens 1838e05725b1Sbonwick bonuslen = doi->doi_bonus_size; 1839fa9e4066Sahrens 1840fa9e4066Sahrens for (c = 0; c < bonuslen; c++) { 1841fa9e4066Sahrens if (((uint8_t *)db->db_data)[c] != 1842fa9e4066Sahrens (uint8_t)(c + bonuslen)) { 1843fa9e4066Sahrens fatal(0, 1844fa9e4066Sahrens "bad bonus: %s, obj %llu, off %d: %u != %u", 1845fa9e4066Sahrens osname, object, c, 1846fa9e4066Sahrens ((uint8_t *)db->db_data)[c], 1847fa9e4066Sahrens (uint8_t)(c + bonuslen)); 1848fa9e4066Sahrens } 1849fa9e4066Sahrens } 1850fa9e4066Sahrens 1851ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1852e05725b1Sbonwick za->za_dbuf = NULL; 1853fa9e4066Sahrens 1854fa9e4066Sahrens /* 1855fa9e4066Sahrens * We expect the word at endoff to be our object number. 1856fa9e4066Sahrens */ 1857ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, object, endoff, 18587bfdf011SNeil Perrin sizeof (uint64_t), &temp, DMU_READ_PREFETCH)); 1859fa9e4066Sahrens 1860fa9e4066Sahrens if (temp != object) { 1861fa9e4066Sahrens fatal(0, "bad data in %s, got %llu, expected %llu", 1862fa9e4066Sahrens osname, temp, object); 1863fa9e4066Sahrens } 1864fa9e4066Sahrens 1865fa9e4066Sahrens /* 1866fa9e4066Sahrens * Destroy old object and clear batch entry. 1867fa9e4066Sahrens */ 1868fa9e4066Sahrens tx = dmu_tx_create(os); 1869fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, 1870fa9e4066Sahrens b * sizeof (uint64_t), sizeof (uint64_t)); 1871fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1872fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1873fa9e4066Sahrens if (error) { 1874fa9e4066Sahrens ztest_record_enospc("free object"); 1875fa9e4066Sahrens dmu_tx_abort(tx); 1876fa9e4066Sahrens return; 1877fa9e4066Sahrens } 1878fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1879fa9e4066Sahrens if (error) { 1880fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1881fa9e4066Sahrens osname, object, error); 1882fa9e4066Sahrens } 1883fa9e4066Sahrens object = 0; 1884fa9e4066Sahrens 1885fa9e4066Sahrens dmu_object_set_checksum(os, batchobj, 1886fa9e4066Sahrens ztest_random_checksum(), tx); 1887fa9e4066Sahrens dmu_object_set_compress(os, batchobj, 1888fa9e4066Sahrens ztest_random_compress(), tx); 1889fa9e4066Sahrens 1890fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1891fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1892fa9e4066Sahrens 1893fa9e4066Sahrens dmu_tx_commit(tx); 1894fa9e4066Sahrens } 1895fa9e4066Sahrens 1896fa9e4066Sahrens /* 1897fa9e4066Sahrens * Before creating the new batch of objects, generate a bunch of churn. 1898fa9e4066Sahrens */ 1899fa9e4066Sahrens for (b = ztest_random(100); b > 0; b--) { 1900fa9e4066Sahrens tx = dmu_tx_create(os); 1901fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1902fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1903fa9e4066Sahrens if (error) { 1904fa9e4066Sahrens ztest_record_enospc("churn objects"); 1905fa9e4066Sahrens dmu_tx_abort(tx); 1906fa9e4066Sahrens return; 1907fa9e4066Sahrens } 1908fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1909fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1910fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1911fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1912fa9e4066Sahrens if (error) { 1913fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1914fa9e4066Sahrens osname, object, error); 1915fa9e4066Sahrens } 1916fa9e4066Sahrens dmu_tx_commit(tx); 1917fa9e4066Sahrens } 1918fa9e4066Sahrens 1919fa9e4066Sahrens /* 1920fa9e4066Sahrens * Create a new batch of objects with randomly chosen 1921fa9e4066Sahrens * blocksizes and record them in the batch directory. 1922fa9e4066Sahrens */ 1923fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1924fa9e4066Sahrens uint32_t va_blksize; 1925fa9e4066Sahrens u_longlong_t va_nblocks; 1926fa9e4066Sahrens 1927fa9e4066Sahrens tx = dmu_tx_create(os); 1928fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, b * sizeof (uint64_t), 1929fa9e4066Sahrens sizeof (uint64_t)); 1930fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1931fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, endoff, 1932fa9e4066Sahrens sizeof (uint64_t)); 1933fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1934fa9e4066Sahrens if (error) { 1935fa9e4066Sahrens ztest_record_enospc("create batchobj"); 1936fa9e4066Sahrens dmu_tx_abort(tx); 1937fa9e4066Sahrens return; 1938fa9e4066Sahrens } 1939fa9e4066Sahrens bonuslen = (int)ztest_random(dmu_bonus_max()) + 1; 1940fa9e4066Sahrens 1941fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1942fa9e4066Sahrens DMU_OT_PLAIN_OTHER, bonuslen, tx); 1943fa9e4066Sahrens 1944fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1945fa9e4066Sahrens 1946fa9e4066Sahrens dmu_object_set_checksum(os, object, 1947fa9e4066Sahrens ztest_random_checksum(), tx); 1948fa9e4066Sahrens dmu_object_set_compress(os, object, 1949fa9e4066Sahrens ztest_random_compress(), tx); 1950fa9e4066Sahrens 1951fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1952fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1953fa9e4066Sahrens 1954fa9e4066Sahrens /* 1955fa9e4066Sahrens * Write to both the bonus buffer and the regular data. 1956fa9e4066Sahrens */ 1957e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, object, FTAG, &db) == 0); 1958e05725b1Sbonwick za->za_dbuf = db; 19591934e92fSmaybee ASSERT3U(bonuslen, <=, db->db_size); 1960fa9e4066Sahrens 1961fa9e4066Sahrens dmu_object_size_from_db(db, &va_blksize, &va_nblocks); 1962fa9e4066Sahrens ASSERT3S(va_nblocks, >=, 0); 1963fa9e4066Sahrens 1964fa9e4066Sahrens dmu_buf_will_dirty(db, tx); 1965fa9e4066Sahrens 1966fa9e4066Sahrens /* 1967fa9e4066Sahrens * See comments above regarding the contents of 1968fa9e4066Sahrens * the bonus buffer and the word at endoff. 1969fa9e4066Sahrens */ 19701934e92fSmaybee for (c = 0; c < bonuslen; c++) 1971fa9e4066Sahrens ((uint8_t *)db->db_data)[c] = (uint8_t)(c + bonuslen); 1972fa9e4066Sahrens 1973ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1974e05725b1Sbonwick za->za_dbuf = NULL; 1975fa9e4066Sahrens 1976fa9e4066Sahrens /* 1977fa9e4066Sahrens * Write to a large offset to increase indirection. 1978fa9e4066Sahrens */ 1979fa9e4066Sahrens dmu_write(os, object, endoff, sizeof (uint64_t), &object, tx); 1980fa9e4066Sahrens 1981fa9e4066Sahrens dmu_tx_commit(tx); 1982fa9e4066Sahrens } 1983fa9e4066Sahrens } 1984fa9e4066Sahrens 1985fa9e4066Sahrens /* 1986fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 1987fa9e4066Sahrens */ 1988fa9e4066Sahrens typedef struct bufwad { 1989fa9e4066Sahrens uint64_t bw_index; 1990fa9e4066Sahrens uint64_t bw_txg; 1991fa9e4066Sahrens uint64_t bw_data; 1992fa9e4066Sahrens } bufwad_t; 1993fa9e4066Sahrens 1994fa9e4066Sahrens typedef struct dmu_read_write_dir { 1995fa9e4066Sahrens uint64_t dd_packobj; 1996fa9e4066Sahrens uint64_t dd_bigobj; 1997fa9e4066Sahrens uint64_t dd_chunk; 1998fa9e4066Sahrens } dmu_read_write_dir_t; 1999fa9e4066Sahrens 2000fa9e4066Sahrens void 2001fa9e4066Sahrens ztest_dmu_read_write(ztest_args_t *za) 2002fa9e4066Sahrens { 2003fa9e4066Sahrens objset_t *os = za->za_os; 2004fa9e4066Sahrens dmu_read_write_dir_t dd; 2005fa9e4066Sahrens dmu_tx_t *tx; 2006fa9e4066Sahrens int i, freeit, error; 2007fa9e4066Sahrens uint64_t n, s, txg; 2008fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 2009fa9e4066Sahrens uint64_t packoff, packsize, bigoff, bigsize; 2010fa9e4066Sahrens uint64_t regions = 997; 2011fa9e4066Sahrens uint64_t stride = 123456789ULL; 2012fa9e4066Sahrens uint64_t width = 40; 2013fa9e4066Sahrens int free_percent = 5; 2014fa9e4066Sahrens 2015fa9e4066Sahrens /* 2016fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 2017fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 2018fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 2019fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 2020fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 2021fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 2022fa9e4066Sahrens * 2023fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 2024fa9e4066Sahrens * bigobj, at the head of the nth chunk 2025fa9e4066Sahrens * bigobj, at the tail of the nth chunk 2026fa9e4066Sahrens * 2027fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 2028fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 2029fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 2030fa9e4066Sahrens * 2031fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 2032fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 2033fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 2034fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 2035fa9e4066Sahrens * tracking which parts of an object are allocated and free, 2036fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 2037fa9e4066Sahrens */ 2038fa9e4066Sahrens 2039fa9e4066Sahrens /* 2040fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 2041fa9e4066Sahrens */ 2042ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 20437bfdf011SNeil Perrin sizeof (dd), &dd, DMU_READ_PREFETCH)); 2044fa9e4066Sahrens if (dd.dd_chunk == 0) { 2045fa9e4066Sahrens ASSERT(dd.dd_packobj == 0); 2046fa9e4066Sahrens ASSERT(dd.dd_bigobj == 0); 2047fa9e4066Sahrens tx = dmu_tx_create(os); 2048fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (dd)); 2049fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 2050fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2051fa9e4066Sahrens if (error) { 2052fa9e4066Sahrens ztest_record_enospc("create r/w directory"); 2053fa9e4066Sahrens dmu_tx_abort(tx); 2054fa9e4066Sahrens return; 2055fa9e4066Sahrens } 2056fa9e4066Sahrens 2057fa9e4066Sahrens dd.dd_packobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 2058fa9e4066Sahrens DMU_OT_NONE, 0, tx); 2059fa9e4066Sahrens dd.dd_bigobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 2060fa9e4066Sahrens DMU_OT_NONE, 0, tx); 2061fa9e4066Sahrens dd.dd_chunk = (1000 + ztest_random(1000)) * sizeof (uint64_t); 2062fa9e4066Sahrens 2063fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_packobj, tx); 2064fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_bigobj, tx); 2065fa9e4066Sahrens 2066fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (dd), &dd, 2067fa9e4066Sahrens tx); 2068fa9e4066Sahrens dmu_tx_commit(tx); 2069fa9e4066Sahrens } 2070fa9e4066Sahrens 2071fa9e4066Sahrens /* 2072fa9e4066Sahrens * Prefetch a random chunk of the big object. 2073fa9e4066Sahrens * Our aim here is to get some async reads in flight 2074fa9e4066Sahrens * for blocks that we may free below; the DMU should 2075fa9e4066Sahrens * handle this race correctly. 2076fa9e4066Sahrens */ 2077fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 2078fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 2079fa9e4066Sahrens dmu_prefetch(os, dd.dd_bigobj, n * dd.dd_chunk, s * dd.dd_chunk); 2080fa9e4066Sahrens 2081fa9e4066Sahrens /* 2082fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 2083fa9e4066Sahrens */ 2084fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 2085fa9e4066Sahrens s = 1 + ztest_random(width - 1); 2086fa9e4066Sahrens 2087fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 2088fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 2089fa9e4066Sahrens 2090fa9e4066Sahrens bigoff = n * dd.dd_chunk; 2091fa9e4066Sahrens bigsize = s * dd.dd_chunk; 2092fa9e4066Sahrens 2093fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 2094fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 2095fa9e4066Sahrens 2096fa9e4066Sahrens /* 2097fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 2098fa9e4066Sahrens * overwriting it. 2099fa9e4066Sahrens */ 2100fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 2101fa9e4066Sahrens 2102fa9e4066Sahrens /* 2103fa9e4066Sahrens * Read the current contents of our objects. 2104fa9e4066Sahrens */ 21057bfdf011SNeil Perrin error = dmu_read(os, dd.dd_packobj, packoff, packsize, packbuf, 21067bfdf011SNeil Perrin DMU_READ_PREFETCH); 2107ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 21087bfdf011SNeil Perrin error = dmu_read(os, dd.dd_bigobj, bigoff, bigsize, bigbuf, 21097bfdf011SNeil Perrin DMU_READ_PREFETCH); 2110ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 2111fa9e4066Sahrens 2112fa9e4066Sahrens /* 2113fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 2114fa9e4066Sahrens */ 2115fa9e4066Sahrens tx = dmu_tx_create(os); 2116fa9e4066Sahrens 2117fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_packobj, packoff, packsize); 2118fa9e4066Sahrens 2119fa9e4066Sahrens if (freeit) 2120fa9e4066Sahrens dmu_tx_hold_free(tx, dd.dd_bigobj, bigoff, bigsize); 2121fa9e4066Sahrens else 2122fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_bigobj, bigoff, bigsize); 2123fa9e4066Sahrens 2124fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2125fa9e4066Sahrens 2126fa9e4066Sahrens if (error) { 2127fa9e4066Sahrens ztest_record_enospc("dmu r/w range"); 2128fa9e4066Sahrens dmu_tx_abort(tx); 2129fa9e4066Sahrens umem_free(packbuf, packsize); 2130fa9e4066Sahrens umem_free(bigbuf, bigsize); 2131fa9e4066Sahrens return; 2132fa9e4066Sahrens } 2133fa9e4066Sahrens 2134fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 2135fa9e4066Sahrens 2136fa9e4066Sahrens /* 2137fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 2138fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 2139fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 2140fa9e4066Sahrens * with the new values we want to write out. 2141fa9e4066Sahrens */ 2142fa9e4066Sahrens for (i = 0; i < s; i++) { 2143fa9e4066Sahrens /* LINTED */ 2144fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 2145fa9e4066Sahrens /* LINTED */ 2146fa9e4066Sahrens bigH = (bufwad_t *)((char *)bigbuf + i * dd.dd_chunk); 2147fa9e4066Sahrens /* LINTED */ 2148fa9e4066Sahrens bigT = (bufwad_t *)((char *)bigH + dd.dd_chunk) - 1; 2149fa9e4066Sahrens 2150fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 2151fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 2152fa9e4066Sahrens 2153fa9e4066Sahrens if (pack->bw_txg > txg) 2154fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 2155fa9e4066Sahrens pack->bw_txg, txg); 2156fa9e4066Sahrens 2157fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 2158fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 2159fa9e4066Sahrens pack->bw_index, n, i); 2160fa9e4066Sahrens 2161fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 2162fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 2163fa9e4066Sahrens 2164fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 2165fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 2166fa9e4066Sahrens 2167fa9e4066Sahrens if (freeit) { 2168fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 2169fa9e4066Sahrens } else { 2170fa9e4066Sahrens pack->bw_index = n + i; 2171fa9e4066Sahrens pack->bw_txg = txg; 2172fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 2173fa9e4066Sahrens } 2174fa9e4066Sahrens *bigH = *pack; 2175fa9e4066Sahrens *bigT = *pack; 2176fa9e4066Sahrens } 2177fa9e4066Sahrens 2178fa9e4066Sahrens /* 2179fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 2180fa9e4066Sahrens * Now write them out. 2181fa9e4066Sahrens */ 2182fa9e4066Sahrens dmu_write(os, dd.dd_packobj, packoff, packsize, packbuf, tx); 2183fa9e4066Sahrens 2184fa9e4066Sahrens if (freeit) { 2185fa9e4066Sahrens if (zopt_verbose >= 6) { 2186fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 2187fa9e4066Sahrens " txg %llx\n", 2188fa9e4066Sahrens (u_longlong_t)bigoff, 2189fa9e4066Sahrens (u_longlong_t)bigsize, 2190fa9e4066Sahrens (u_longlong_t)txg); 2191fa9e4066Sahrens } 2192ea8dc4b6Seschrock VERIFY(0 == dmu_free_range(os, dd.dd_bigobj, bigoff, 2193ea8dc4b6Seschrock bigsize, tx)); 2194fa9e4066Sahrens } else { 2195fa9e4066Sahrens if (zopt_verbose >= 6) { 2196fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 2197fa9e4066Sahrens " txg %llx\n", 2198fa9e4066Sahrens (u_longlong_t)bigoff, 2199fa9e4066Sahrens (u_longlong_t)bigsize, 2200fa9e4066Sahrens (u_longlong_t)txg); 2201fa9e4066Sahrens } 2202fa9e4066Sahrens dmu_write(os, dd.dd_bigobj, bigoff, bigsize, bigbuf, tx); 2203fa9e4066Sahrens } 2204fa9e4066Sahrens 2205fa9e4066Sahrens dmu_tx_commit(tx); 2206fa9e4066Sahrens 2207fa9e4066Sahrens /* 2208fa9e4066Sahrens * Sanity check the stuff we just wrote. 2209fa9e4066Sahrens */ 2210fa9e4066Sahrens { 2211fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 2212fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 2213fa9e4066Sahrens 2214ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, dd.dd_packobj, packoff, 22157bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 2216ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, dd.dd_bigobj, bigoff, 22177bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 2218fa9e4066Sahrens 2219fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 2220fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 2221fa9e4066Sahrens 2222fa9e4066Sahrens umem_free(packcheck, packsize); 2223fa9e4066Sahrens umem_free(bigcheck, bigsize); 2224fa9e4066Sahrens } 2225fa9e4066Sahrens 2226fa9e4066Sahrens umem_free(packbuf, packsize); 2227fa9e4066Sahrens umem_free(bigbuf, bigsize); 2228fa9e4066Sahrens } 2229fa9e4066Sahrens 22302fdbea25SAleksandr Guzovskiy void 22312fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(uint64_t s, bufwad_t *packbuf, bufwad_t *bigbuf, 22322fdbea25SAleksandr Guzovskiy uint64_t bigsize, uint64_t n, dmu_read_write_dir_t dd, uint64_t txg) 22332fdbea25SAleksandr Guzovskiy { 22342fdbea25SAleksandr Guzovskiy uint64_t i; 22352fdbea25SAleksandr Guzovskiy bufwad_t *pack; 22362fdbea25SAleksandr Guzovskiy bufwad_t *bigH; 22372fdbea25SAleksandr Guzovskiy bufwad_t *bigT; 22382fdbea25SAleksandr Guzovskiy 22392fdbea25SAleksandr Guzovskiy /* 22402fdbea25SAleksandr Guzovskiy * For each index from n to n + s, verify that the existing bufwad 22412fdbea25SAleksandr Guzovskiy * in packobj matches the bufwads at the head and tail of the 22422fdbea25SAleksandr Guzovskiy * corresponding chunk in bigobj. Then update all three bufwads 22432fdbea25SAleksandr Guzovskiy * with the new values we want to write out. 22442fdbea25SAleksandr Guzovskiy */ 22452fdbea25SAleksandr Guzovskiy for (i = 0; i < s; i++) { 22462fdbea25SAleksandr Guzovskiy /* LINTED */ 22472fdbea25SAleksandr Guzovskiy pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 22482fdbea25SAleksandr Guzovskiy /* LINTED */ 22492fdbea25SAleksandr Guzovskiy bigH = (bufwad_t *)((char *)bigbuf + i * dd.dd_chunk); 22502fdbea25SAleksandr Guzovskiy /* LINTED */ 22512fdbea25SAleksandr Guzovskiy bigT = (bufwad_t *)((char *)bigH + dd.dd_chunk) - 1; 22522fdbea25SAleksandr Guzovskiy 22532fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 22542fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 22552fdbea25SAleksandr Guzovskiy 22562fdbea25SAleksandr Guzovskiy if (pack->bw_txg > txg) 22572fdbea25SAleksandr Guzovskiy fatal(0, "future leak: got %llx, open txg is %llx", 22582fdbea25SAleksandr Guzovskiy pack->bw_txg, txg); 22592fdbea25SAleksandr Guzovskiy 22602fdbea25SAleksandr Guzovskiy if (pack->bw_data != 0 && pack->bw_index != n + i) 22612fdbea25SAleksandr Guzovskiy fatal(0, "wrong index: got %llx, wanted %llx+%llx", 22622fdbea25SAleksandr Guzovskiy pack->bw_index, n, i); 22632fdbea25SAleksandr Guzovskiy 22642fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 22652fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 22662fdbea25SAleksandr Guzovskiy 22672fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 22682fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 22692fdbea25SAleksandr Guzovskiy 22702fdbea25SAleksandr Guzovskiy pack->bw_index = n + i; 22712fdbea25SAleksandr Guzovskiy pack->bw_txg = txg; 22722fdbea25SAleksandr Guzovskiy pack->bw_data = 1 + ztest_random(-2ULL); 22732fdbea25SAleksandr Guzovskiy 22742fdbea25SAleksandr Guzovskiy *bigH = *pack; 22752fdbea25SAleksandr Guzovskiy *bigT = *pack; 22762fdbea25SAleksandr Guzovskiy } 22772fdbea25SAleksandr Guzovskiy } 22782fdbea25SAleksandr Guzovskiy 22792fdbea25SAleksandr Guzovskiy void 22802fdbea25SAleksandr Guzovskiy ztest_dmu_read_write_zcopy(ztest_args_t *za) 22812fdbea25SAleksandr Guzovskiy { 22822fdbea25SAleksandr Guzovskiy objset_t *os = za->za_os; 22832fdbea25SAleksandr Guzovskiy dmu_read_write_dir_t dd; 22842fdbea25SAleksandr Guzovskiy dmu_tx_t *tx; 22852fdbea25SAleksandr Guzovskiy uint64_t i; 22862fdbea25SAleksandr Guzovskiy int error; 22872fdbea25SAleksandr Guzovskiy uint64_t n, s, txg; 22882fdbea25SAleksandr Guzovskiy bufwad_t *packbuf, *bigbuf; 22892fdbea25SAleksandr Guzovskiy uint64_t packoff, packsize, bigoff, bigsize; 22902fdbea25SAleksandr Guzovskiy uint64_t regions = 997; 22912fdbea25SAleksandr Guzovskiy uint64_t stride = 123456789ULL; 22922fdbea25SAleksandr Guzovskiy uint64_t width = 9; 22932fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 22942fdbea25SAleksandr Guzovskiy arc_buf_t **bigbuf_arcbufs; 22952fdbea25SAleksandr Guzovskiy dmu_object_info_t *doi = &za->za_doi; 22962fdbea25SAleksandr Guzovskiy 22972fdbea25SAleksandr Guzovskiy /* 22982fdbea25SAleksandr Guzovskiy * This test uses two objects, packobj and bigobj, that are always 22992fdbea25SAleksandr Guzovskiy * updated together (i.e. in the same tx) so that their contents are 23002fdbea25SAleksandr Guzovskiy * in sync and can be compared. Their contents relate to each other 23012fdbea25SAleksandr Guzovskiy * in a simple way: packobj is a dense array of 'bufwad' structures, 23022fdbea25SAleksandr Guzovskiy * while bigobj is a sparse array of the same bufwads. Specifically, 23032fdbea25SAleksandr Guzovskiy * for any index n, there are three bufwads that should be identical: 23042fdbea25SAleksandr Guzovskiy * 23052fdbea25SAleksandr Guzovskiy * packobj, at offset n * sizeof (bufwad_t) 23062fdbea25SAleksandr Guzovskiy * bigobj, at the head of the nth chunk 23072fdbea25SAleksandr Guzovskiy * bigobj, at the tail of the nth chunk 23082fdbea25SAleksandr Guzovskiy * 23092fdbea25SAleksandr Guzovskiy * The chunk size is set equal to bigobj block size so that 23102fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() can be tested for object updates. 23112fdbea25SAleksandr Guzovskiy */ 23122fdbea25SAleksandr Guzovskiy 23132fdbea25SAleksandr Guzovskiy /* 23142fdbea25SAleksandr Guzovskiy * Read the directory info. If it's the first time, set things up. 23152fdbea25SAleksandr Guzovskiy */ 23162fdbea25SAleksandr Guzovskiy VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 23177bfdf011SNeil Perrin sizeof (dd), &dd, DMU_READ_PREFETCH)); 23182fdbea25SAleksandr Guzovskiy if (dd.dd_chunk == 0) { 23192fdbea25SAleksandr Guzovskiy ASSERT(dd.dd_packobj == 0); 23202fdbea25SAleksandr Guzovskiy ASSERT(dd.dd_bigobj == 0); 23212fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 23222fdbea25SAleksandr Guzovskiy dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (dd)); 23232fdbea25SAleksandr Guzovskiy dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 23242fdbea25SAleksandr Guzovskiy error = dmu_tx_assign(tx, TXG_WAIT); 23252fdbea25SAleksandr Guzovskiy if (error) { 23262fdbea25SAleksandr Guzovskiy ztest_record_enospc("create r/w directory"); 23272fdbea25SAleksandr Guzovskiy dmu_tx_abort(tx); 23282fdbea25SAleksandr Guzovskiy return; 23292fdbea25SAleksandr Guzovskiy } 23302fdbea25SAleksandr Guzovskiy 23312fdbea25SAleksandr Guzovskiy dd.dd_packobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 23322fdbea25SAleksandr Guzovskiy DMU_OT_NONE, 0, tx); 23332fdbea25SAleksandr Guzovskiy dd.dd_bigobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 23342fdbea25SAleksandr Guzovskiy DMU_OT_NONE, 0, tx); 23352fdbea25SAleksandr Guzovskiy ztest_set_random_blocksize(os, dd.dd_packobj, tx); 23362fdbea25SAleksandr Guzovskiy ztest_set_random_blocksize(os, dd.dd_bigobj, tx); 23372fdbea25SAleksandr Guzovskiy 23382fdbea25SAleksandr Guzovskiy VERIFY(dmu_object_info(os, dd.dd_bigobj, doi) == 0); 23392fdbea25SAleksandr Guzovskiy ASSERT(doi->doi_data_block_size >= 2 * sizeof (bufwad_t)); 23402fdbea25SAleksandr Guzovskiy ASSERT(ISP2(doi->doi_data_block_size)); 23412fdbea25SAleksandr Guzovskiy dd.dd_chunk = doi->doi_data_block_size; 23422fdbea25SAleksandr Guzovskiy 23432fdbea25SAleksandr Guzovskiy dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (dd), &dd, 23442fdbea25SAleksandr Guzovskiy tx); 23452fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 23462fdbea25SAleksandr Guzovskiy } else { 23472fdbea25SAleksandr Guzovskiy VERIFY(dmu_object_info(os, dd.dd_bigobj, doi) == 0); 23482fdbea25SAleksandr Guzovskiy VERIFY(ISP2(doi->doi_data_block_size)); 23492fdbea25SAleksandr Guzovskiy VERIFY(dd.dd_chunk == doi->doi_data_block_size); 23502fdbea25SAleksandr Guzovskiy VERIFY(dd.dd_chunk >= 2 * sizeof (bufwad_t)); 23512fdbea25SAleksandr Guzovskiy } 23522fdbea25SAleksandr Guzovskiy 23532fdbea25SAleksandr Guzovskiy /* 23542fdbea25SAleksandr Guzovskiy * Pick a random index and compute the offsets into packobj and bigobj. 23552fdbea25SAleksandr Guzovskiy */ 23562fdbea25SAleksandr Guzovskiy n = ztest_random(regions) * stride + ztest_random(width); 23572fdbea25SAleksandr Guzovskiy s = 1 + ztest_random(width - 1); 23582fdbea25SAleksandr Guzovskiy 23592fdbea25SAleksandr Guzovskiy packoff = n * sizeof (bufwad_t); 23602fdbea25SAleksandr Guzovskiy packsize = s * sizeof (bufwad_t); 23612fdbea25SAleksandr Guzovskiy 23622fdbea25SAleksandr Guzovskiy bigoff = n * dd.dd_chunk; 23632fdbea25SAleksandr Guzovskiy bigsize = s * dd.dd_chunk; 23642fdbea25SAleksandr Guzovskiy 23652fdbea25SAleksandr Guzovskiy packbuf = umem_zalloc(packsize, UMEM_NOFAIL); 23662fdbea25SAleksandr Guzovskiy bigbuf = umem_zalloc(bigsize, UMEM_NOFAIL); 23672fdbea25SAleksandr Guzovskiy 23682fdbea25SAleksandr Guzovskiy VERIFY(dmu_bonus_hold(os, dd.dd_bigobj, FTAG, &bonus_db) == 0); 23692fdbea25SAleksandr Guzovskiy 23702fdbea25SAleksandr Guzovskiy bigbuf_arcbufs = umem_zalloc(2 * s * sizeof (arc_buf_t *), UMEM_NOFAIL); 23712fdbea25SAleksandr Guzovskiy 23722fdbea25SAleksandr Guzovskiy /* 23732fdbea25SAleksandr Guzovskiy * Iteration 0 test zcopy for DB_UNCACHED dbufs. 23742fdbea25SAleksandr Guzovskiy * Iteration 1 test zcopy to already referenced dbufs. 23752fdbea25SAleksandr Guzovskiy * Iteration 2 test zcopy to dirty dbuf in the same txg. 23762fdbea25SAleksandr Guzovskiy * Iteration 3 test zcopy to dbuf dirty in previous txg. 23772fdbea25SAleksandr Guzovskiy * Iteration 4 test zcopy when dbuf is no longer dirty. 23782fdbea25SAleksandr Guzovskiy * Iteration 5 test zcopy when it can't be done. 23792fdbea25SAleksandr Guzovskiy * Iteration 6 one more zcopy write. 23802fdbea25SAleksandr Guzovskiy */ 23812fdbea25SAleksandr Guzovskiy for (i = 0; i < 7; i++) { 23822fdbea25SAleksandr Guzovskiy uint64_t j; 23832fdbea25SAleksandr Guzovskiy uint64_t off; 23842fdbea25SAleksandr Guzovskiy 23852fdbea25SAleksandr Guzovskiy /* 23862fdbea25SAleksandr Guzovskiy * In iteration 5 (i == 5) use arcbufs 23872fdbea25SAleksandr Guzovskiy * that don't match bigobj blksz to test 23882fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() when it can't directly 23892fdbea25SAleksandr Guzovskiy * assign an arcbuf to a dbuf. 23902fdbea25SAleksandr Guzovskiy */ 23912fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 23922fdbea25SAleksandr Guzovskiy if (i != 5) { 23932fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j] = 23942fdbea25SAleksandr Guzovskiy dmu_request_arcbuf(bonus_db, 23952fdbea25SAleksandr Guzovskiy dd.dd_chunk); 23962fdbea25SAleksandr Guzovskiy } else { 23972fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j] = 23982fdbea25SAleksandr Guzovskiy dmu_request_arcbuf(bonus_db, 23992fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2); 24002fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1] = 24012fdbea25SAleksandr Guzovskiy dmu_request_arcbuf(bonus_db, 24022fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2); 24032fdbea25SAleksandr Guzovskiy } 24042fdbea25SAleksandr Guzovskiy } 24052fdbea25SAleksandr Guzovskiy 24062fdbea25SAleksandr Guzovskiy /* 24072fdbea25SAleksandr Guzovskiy * Get a tx for the mods to both packobj and bigobj. 24082fdbea25SAleksandr Guzovskiy */ 24092fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 24102fdbea25SAleksandr Guzovskiy 24112fdbea25SAleksandr Guzovskiy dmu_tx_hold_write(tx, dd.dd_packobj, packoff, packsize); 24122fdbea25SAleksandr Guzovskiy dmu_tx_hold_write(tx, dd.dd_bigobj, bigoff, bigsize); 24132fdbea25SAleksandr Guzovskiy 24142fdbea25SAleksandr Guzovskiy if (ztest_random(100) == 0) { 24152fdbea25SAleksandr Guzovskiy error = -1; 24162fdbea25SAleksandr Guzovskiy } else { 24172fdbea25SAleksandr Guzovskiy error = dmu_tx_assign(tx, TXG_WAIT); 24182fdbea25SAleksandr Guzovskiy } 24192fdbea25SAleksandr Guzovskiy 24202fdbea25SAleksandr Guzovskiy if (error) { 24212fdbea25SAleksandr Guzovskiy if (error != -1) { 24222fdbea25SAleksandr Guzovskiy ztest_record_enospc("dmu r/w range"); 24232fdbea25SAleksandr Guzovskiy } 24242fdbea25SAleksandr Guzovskiy dmu_tx_abort(tx); 24252fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 24262fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 24272fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 24282fdbea25SAleksandr Guzovskiy if (i != 5) { 24292fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(bigbuf_arcbufs[j]); 24302fdbea25SAleksandr Guzovskiy } else { 24312fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 24322fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]); 24332fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 24342fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]); 24352fdbea25SAleksandr Guzovskiy } 24362fdbea25SAleksandr Guzovskiy } 24372fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 24382fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 24392fdbea25SAleksandr Guzovskiy return; 24402fdbea25SAleksandr Guzovskiy } 24412fdbea25SAleksandr Guzovskiy 24422fdbea25SAleksandr Guzovskiy txg = dmu_tx_get_txg(tx); 24432fdbea25SAleksandr Guzovskiy 24442fdbea25SAleksandr Guzovskiy /* 24452fdbea25SAleksandr Guzovskiy * 50% of the time don't read objects in the 1st iteration to 24462fdbea25SAleksandr Guzovskiy * test dmu_assign_arcbuf() for the case when there're no 24472fdbea25SAleksandr Guzovskiy * existing dbufs for the specified offsets. 24482fdbea25SAleksandr Guzovskiy */ 24492fdbea25SAleksandr Guzovskiy if (i != 0 || ztest_random(2) != 0) { 24502fdbea25SAleksandr Guzovskiy error = dmu_read(os, dd.dd_packobj, packoff, 24517bfdf011SNeil Perrin packsize, packbuf, DMU_READ_PREFETCH); 24522fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 24532fdbea25SAleksandr Guzovskiy error = dmu_read(os, dd.dd_bigobj, bigoff, bigsize, 24547bfdf011SNeil Perrin bigbuf, DMU_READ_PREFETCH); 24552fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 24562fdbea25SAleksandr Guzovskiy } 24572fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(s, packbuf, bigbuf, bigsize, 24582fdbea25SAleksandr Guzovskiy n, dd, txg); 24592fdbea25SAleksandr Guzovskiy 24602fdbea25SAleksandr Guzovskiy /* 24612fdbea25SAleksandr Guzovskiy * We've verified all the old bufwads, and made new ones. 24622fdbea25SAleksandr Guzovskiy * Now write them out. 24632fdbea25SAleksandr Guzovskiy */ 24642fdbea25SAleksandr Guzovskiy dmu_write(os, dd.dd_packobj, packoff, packsize, packbuf, tx); 24652fdbea25SAleksandr Guzovskiy if (zopt_verbose >= 6) { 24662fdbea25SAleksandr Guzovskiy (void) printf("writing offset %llx size %llx" 24672fdbea25SAleksandr Guzovskiy " txg %llx\n", 24682fdbea25SAleksandr Guzovskiy (u_longlong_t)bigoff, 24692fdbea25SAleksandr Guzovskiy (u_longlong_t)bigsize, 24702fdbea25SAleksandr Guzovskiy (u_longlong_t)txg); 24712fdbea25SAleksandr Guzovskiy } 24722fdbea25SAleksandr Guzovskiy for (off = bigoff, j = 0; j < s; j++, off += dd.dd_chunk) { 24732fdbea25SAleksandr Guzovskiy dmu_buf_t *dbt; 24742fdbea25SAleksandr Guzovskiy if (i != 5) { 24752fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 24762fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j]->b_data, dd.dd_chunk); 24772fdbea25SAleksandr Guzovskiy } else { 24782fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 24792fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]->b_data, 24802fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2); 24812fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff) + 24822fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2, 24832fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]->b_data, 24842fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2); 24852fdbea25SAleksandr Guzovskiy } 24862fdbea25SAleksandr Guzovskiy 24872fdbea25SAleksandr Guzovskiy if (i == 1) { 24882fdbea25SAleksandr Guzovskiy VERIFY(dmu_buf_hold(os, dd.dd_bigobj, off, 24892fdbea25SAleksandr Guzovskiy FTAG, &dbt) == 0); 24902fdbea25SAleksandr Guzovskiy } 24912fdbea25SAleksandr Guzovskiy if (i != 5) { 24922fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 24932fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j], tx); 24942fdbea25SAleksandr Guzovskiy } else { 24952fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 24962fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j], tx); 24972fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, 24982fdbea25SAleksandr Guzovskiy off + dd.dd_chunk / 2, 24992fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1], tx); 25002fdbea25SAleksandr Guzovskiy } 25012fdbea25SAleksandr Guzovskiy if (i == 1) { 25022fdbea25SAleksandr Guzovskiy dmu_buf_rele(dbt, FTAG); 25032fdbea25SAleksandr Guzovskiy } 25042fdbea25SAleksandr Guzovskiy } 25052fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 25062fdbea25SAleksandr Guzovskiy 25072fdbea25SAleksandr Guzovskiy /* 25082fdbea25SAleksandr Guzovskiy * Sanity check the stuff we just wrote. 25092fdbea25SAleksandr Guzovskiy */ 25102fdbea25SAleksandr Guzovskiy { 25112fdbea25SAleksandr Guzovskiy void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 25122fdbea25SAleksandr Guzovskiy void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 25132fdbea25SAleksandr Guzovskiy 25142fdbea25SAleksandr Guzovskiy VERIFY(0 == dmu_read(os, dd.dd_packobj, packoff, 25157bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 25162fdbea25SAleksandr Guzovskiy VERIFY(0 == dmu_read(os, dd.dd_bigobj, bigoff, 25177bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 25182fdbea25SAleksandr Guzovskiy 25192fdbea25SAleksandr Guzovskiy ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 25202fdbea25SAleksandr Guzovskiy ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 25212fdbea25SAleksandr Guzovskiy 25222fdbea25SAleksandr Guzovskiy umem_free(packcheck, packsize); 25232fdbea25SAleksandr Guzovskiy umem_free(bigcheck, bigsize); 25242fdbea25SAleksandr Guzovskiy } 25252fdbea25SAleksandr Guzovskiy if (i == 2) { 25262fdbea25SAleksandr Guzovskiy txg_wait_open(dmu_objset_pool(os), 0); 25272fdbea25SAleksandr Guzovskiy } else if (i == 3) { 25282fdbea25SAleksandr Guzovskiy txg_wait_synced(dmu_objset_pool(os), 0); 25292fdbea25SAleksandr Guzovskiy } 25302fdbea25SAleksandr Guzovskiy } 25312fdbea25SAleksandr Guzovskiy 25322fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 25332fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 25342fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 25352fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 25362fdbea25SAleksandr Guzovskiy } 25372fdbea25SAleksandr Guzovskiy 25384d31c452Smaybee void 2539e05725b1Sbonwick ztest_dmu_check_future_leak(ztest_args_t *za) 25404d31c452Smaybee { 2541e05725b1Sbonwick objset_t *os = za->za_os; 25424d31c452Smaybee dmu_buf_t *db; 2543e05725b1Sbonwick ztest_block_tag_t *bt; 2544e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 25454d31c452Smaybee 25464d31c452Smaybee /* 25474d31c452Smaybee * Make sure that, if there is a write record in the bonus buffer 25484d31c452Smaybee * of the ZTEST_DIROBJ, that the txg for this record is <= the 25494d31c452Smaybee * last synced txg of the pool. 25504d31c452Smaybee */ 2551e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &db) == 0); 2552e05725b1Sbonwick za->za_dbuf = db; 2553e05725b1Sbonwick VERIFY(dmu_object_info(os, ZTEST_DIROBJ, doi) == 0); 2554e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, >=, sizeof (*bt)); 2555e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, <=, db->db_size); 2556e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size % sizeof (*bt), ==, 0); 2557e05725b1Sbonwick bt = (void *)((char *)db->db_data + doi->doi_bonus_size - sizeof (*bt)); 2558e05725b1Sbonwick if (bt->bt_objset != 0) { 2559e05725b1Sbonwick ASSERT3U(bt->bt_objset, ==, dmu_objset_id(os)); 2560e05725b1Sbonwick ASSERT3U(bt->bt_object, ==, ZTEST_DIROBJ); 2561e05725b1Sbonwick ASSERT3U(bt->bt_offset, ==, -1ULL); 2562e05725b1Sbonwick ASSERT3U(bt->bt_txg, <, spa_first_txg(za->za_spa)); 25634d31c452Smaybee } 25644d31c452Smaybee dmu_buf_rele(db, FTAG); 2565e05725b1Sbonwick za->za_dbuf = NULL; 25664d31c452Smaybee } 25674d31c452Smaybee 2568fa9e4066Sahrens void 2569fa9e4066Sahrens ztest_dmu_write_parallel(ztest_args_t *za) 2570fa9e4066Sahrens { 2571fa9e4066Sahrens objset_t *os = za->za_os; 2572e05725b1Sbonwick ztest_block_tag_t *rbt = &za->za_rbt; 2573e05725b1Sbonwick ztest_block_tag_t *wbt = &za->za_wbt; 2574e05725b1Sbonwick const size_t btsize = sizeof (ztest_block_tag_t); 2575fa9e4066Sahrens dmu_buf_t *db; 2576e05725b1Sbonwick int b, error; 2577e05725b1Sbonwick int bs = ZTEST_DIROBJ_BLOCKSIZE; 2578e05725b1Sbonwick int do_free = 0; 2579f4a72450SJeff Bonwick uint64_t off, txg, txg_how; 2580fa9e4066Sahrens mutex_t *lp; 2581fa9e4066Sahrens char osname[MAXNAMELEN]; 2582fa9e4066Sahrens char iobuf[SPA_MAXBLOCKSIZE]; 2583e05725b1Sbonwick blkptr_t blk = { 0 }; 2584e05725b1Sbonwick uint64_t blkoff; 2585e05725b1Sbonwick zbookmark_t zb; 2586e05725b1Sbonwick dmu_tx_t *tx = dmu_tx_create(os); 25872fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 25882fdbea25SAleksandr Guzovskiy arc_buf_t *abuf = NULL; 2589fa9e4066Sahrens 2590fa9e4066Sahrens dmu_objset_name(os, osname); 2591fa9e4066Sahrens 2592fa9e4066Sahrens /* 2593fa9e4066Sahrens * Have multiple threads write to large offsets in ZTEST_DIROBJ 2594fa9e4066Sahrens * to verify that having multiple threads writing to the same object 2595fa9e4066Sahrens * in parallel doesn't cause any trouble. 2596fa9e4066Sahrens */ 2597e05725b1Sbonwick if (ztest_random(4) == 0) { 2598e05725b1Sbonwick /* 2599e05725b1Sbonwick * Do the bonus buffer instead of a regular block. 2600e05725b1Sbonwick * We need a lock to serialize resize vs. others, 2601e05725b1Sbonwick * so we hash on the objset ID. 2602e05725b1Sbonwick */ 2603e05725b1Sbonwick b = dmu_objset_id(os) % ZTEST_SYNC_LOCKS; 2604e05725b1Sbonwick off = -1ULL; 2605e05725b1Sbonwick dmu_tx_hold_bonus(tx, ZTEST_DIROBJ); 2606e05725b1Sbonwick } else { 2607fa9e4066Sahrens b = ztest_random(ZTEST_SYNC_LOCKS); 2608e05725b1Sbonwick off = za->za_diroff_shared + (b << SPA_MAXBLOCKSHIFT); 2609fa9e4066Sahrens if (ztest_random(4) == 0) { 2610e05725b1Sbonwick do_free = 1; 2611fa9e4066Sahrens dmu_tx_hold_free(tx, ZTEST_DIROBJ, off, bs); 2612e05725b1Sbonwick } else { 2613fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, off, bs); 2614e05725b1Sbonwick } 2615e05725b1Sbonwick } 2616fa9e4066Sahrens 26172fdbea25SAleksandr Guzovskiy if (off != -1ULL && P2PHASE(off, bs) == 0 && !do_free && 26182fdbea25SAleksandr Guzovskiy ztest_random(8) == 0) { 26192fdbea25SAleksandr Guzovskiy VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &bonus_db) == 0); 26202fdbea25SAleksandr Guzovskiy abuf = dmu_request_arcbuf(bonus_db, bs); 26212fdbea25SAleksandr Guzovskiy } 26222fdbea25SAleksandr Guzovskiy 2623e05725b1Sbonwick txg_how = ztest_random(2) == 0 ? TXG_WAIT : TXG_NOWAIT; 2624e05725b1Sbonwick error = dmu_tx_assign(tx, txg_how); 2625e05725b1Sbonwick if (error) { 2626e05725b1Sbonwick if (error == ERESTART) { 2627e05725b1Sbonwick ASSERT(txg_how == TXG_NOWAIT); 2628e05725b1Sbonwick dmu_tx_wait(tx); 2629e05725b1Sbonwick } else { 2630fa9e4066Sahrens ztest_record_enospc("dmu write parallel"); 2631fa9e4066Sahrens } 2632e05725b1Sbonwick dmu_tx_abort(tx); 26332fdbea25SAleksandr Guzovskiy if (abuf != NULL) { 26342fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(abuf); 26352fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 26362fdbea25SAleksandr Guzovskiy } 2637e05725b1Sbonwick return; 2638e05725b1Sbonwick } 2639f4a72450SJeff Bonwick txg = dmu_tx_get_txg(tx); 2640fa9e4066Sahrens 2641e05725b1Sbonwick lp = &ztest_shared->zs_sync_lock[b]; 2642e05725b1Sbonwick (void) mutex_lock(lp); 2643e05725b1Sbonwick 2644e05725b1Sbonwick wbt->bt_objset = dmu_objset_id(os); 2645e05725b1Sbonwick wbt->bt_object = ZTEST_DIROBJ; 2646e05725b1Sbonwick wbt->bt_offset = off; 2647f4a72450SJeff Bonwick wbt->bt_txg = txg; 2648e05725b1Sbonwick wbt->bt_thread = za->za_instance; 2649e05725b1Sbonwick wbt->bt_seq = ztest_shared->zs_seq[b]++; /* protected by lp */ 2650e05725b1Sbonwick 2651f4a72450SJeff Bonwick /* 2652f4a72450SJeff Bonwick * Occasionally, write an all-zero block to test the behavior 2653f4a72450SJeff Bonwick * of blocks that compress into holes. 2654f4a72450SJeff Bonwick */ 2655f4a72450SJeff Bonwick if (off != -1ULL && ztest_random(8) == 0) 2656f4a72450SJeff Bonwick bzero(wbt, btsize); 2657f4a72450SJeff Bonwick 2658e05725b1Sbonwick if (off == -1ULL) { 2659e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 2660e05725b1Sbonwick char *dboff; 2661e05725b1Sbonwick 2662e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &db) == 0); 2663e05725b1Sbonwick za->za_dbuf = db; 2664e05725b1Sbonwick dmu_object_info_from_db(db, doi); 2665e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, <=, db->db_size); 2666e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, >=, btsize); 2667e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size % btsize, ==, 0); 2668e05725b1Sbonwick dboff = (char *)db->db_data + doi->doi_bonus_size - btsize; 2669e05725b1Sbonwick bcopy(dboff, rbt, btsize); 2670e05725b1Sbonwick if (rbt->bt_objset != 0) { 2671e05725b1Sbonwick ASSERT3U(rbt->bt_objset, ==, wbt->bt_objset); 2672e05725b1Sbonwick ASSERT3U(rbt->bt_object, ==, wbt->bt_object); 2673e05725b1Sbonwick ASSERT3U(rbt->bt_offset, ==, wbt->bt_offset); 2674e05725b1Sbonwick ASSERT3U(rbt->bt_txg, <=, wbt->bt_txg); 2675fa9e4066Sahrens } 2676e05725b1Sbonwick if (ztest_random(10) == 0) { 2677e05725b1Sbonwick int newsize = (ztest_random(db->db_size / 2678e05725b1Sbonwick btsize) + 1) * btsize; 2679e05725b1Sbonwick 2680e05725b1Sbonwick ASSERT3U(newsize, >=, btsize); 2681e05725b1Sbonwick ASSERT3U(newsize, <=, db->db_size); 2682e05725b1Sbonwick VERIFY3U(dmu_set_bonus(db, newsize, tx), ==, 0); 2683e05725b1Sbonwick dboff = (char *)db->db_data + newsize - btsize; 2684fa9e4066Sahrens } 2685e05725b1Sbonwick dmu_buf_will_dirty(db, tx); 2686e05725b1Sbonwick bcopy(wbt, dboff, btsize); 2687e05725b1Sbonwick dmu_buf_rele(db, FTAG); 2688e05725b1Sbonwick za->za_dbuf = NULL; 2689e05725b1Sbonwick } else if (do_free) { 2690e05725b1Sbonwick VERIFY(dmu_free_range(os, ZTEST_DIROBJ, off, bs, tx) == 0); 26912fdbea25SAleksandr Guzovskiy } else if (abuf == NULL) { 2692e05725b1Sbonwick dmu_write(os, ZTEST_DIROBJ, off, btsize, wbt, tx); 26932fdbea25SAleksandr Guzovskiy } else { 26942fdbea25SAleksandr Guzovskiy bcopy(wbt, abuf->b_data, btsize); 26952fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, abuf, tx); 26962fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 2697e05725b1Sbonwick } 2698e05725b1Sbonwick 2699e05725b1Sbonwick (void) mutex_unlock(lp); 2700e05725b1Sbonwick 2701e05725b1Sbonwick if (ztest_random(1000) == 0) 2702e05725b1Sbonwick (void) poll(NULL, 0, 1); /* open dn_notxholds window */ 2703e05725b1Sbonwick 2704e05725b1Sbonwick dmu_tx_commit(tx); 2705e05725b1Sbonwick 2706e05725b1Sbonwick if (ztest_random(10000) == 0) 2707f4a72450SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 2708fa9e4066Sahrens 2709e14bb325SJeff Bonwick if (off == -1ULL || do_free) 2710e05725b1Sbonwick return; 2711fa9e4066Sahrens 2712e05725b1Sbonwick if (ztest_random(2) != 0) 2713e05725b1Sbonwick return; 2714fa9e4066Sahrens 2715e05725b1Sbonwick /* 2716e05725b1Sbonwick * dmu_sync() the block we just wrote. 2717e05725b1Sbonwick */ 2718e05725b1Sbonwick (void) mutex_lock(lp); 2719fa9e4066Sahrens 2720e05725b1Sbonwick blkoff = P2ALIGN_TYPED(off, bs, uint64_t); 2721e05725b1Sbonwick error = dmu_buf_hold(os, ZTEST_DIROBJ, blkoff, FTAG, &db); 2722e05725b1Sbonwick za->za_dbuf = db; 2723e05725b1Sbonwick if (error) { 2724fa9e4066Sahrens (void) mutex_unlock(lp); 2725e05725b1Sbonwick return; 2726e05725b1Sbonwick } 2727e05725b1Sbonwick blkoff = off - blkoff; 2728f4a72450SJeff Bonwick error = dmu_sync(NULL, db, &blk, txg, NULL, NULL); 2729e05725b1Sbonwick dmu_buf_rele(db, FTAG); 2730e05725b1Sbonwick za->za_dbuf = NULL; 2731fa9e4066Sahrens 27322fdbea25SAleksandr Guzovskiy if (error) { 27332fdbea25SAleksandr Guzovskiy (void) mutex_unlock(lp); 2734e05725b1Sbonwick return; 27352fdbea25SAleksandr Guzovskiy } 2736fa9e4066Sahrens 27372fdbea25SAleksandr Guzovskiy if (blk.blk_birth == 0) { /* concurrent free */ 27382fdbea25SAleksandr Guzovskiy (void) mutex_unlock(lp); 2739e05725b1Sbonwick return; 27402fdbea25SAleksandr Guzovskiy } 2741fa9e4066Sahrens 2742e05725b1Sbonwick txg_suspend(dmu_objset_pool(os)); 2743fa9e4066Sahrens 27442fdbea25SAleksandr Guzovskiy (void) mutex_unlock(lp); 27452fdbea25SAleksandr Guzovskiy 2746e05725b1Sbonwick ASSERT(blk.blk_fill == 1); 2747e05725b1Sbonwick ASSERT3U(BP_GET_TYPE(&blk), ==, DMU_OT_UINT64_OTHER); 2748e05725b1Sbonwick ASSERT3U(BP_GET_LEVEL(&blk), ==, 0); 2749e05725b1Sbonwick ASSERT3U(BP_GET_LSIZE(&blk), ==, bs); 2750fa9e4066Sahrens 2751e05725b1Sbonwick /* 2752e05725b1Sbonwick * Read the block that dmu_sync() returned to make sure its contents 2753e05725b1Sbonwick * match what we wrote. We do this while still txg_suspend()ed 2754e05725b1Sbonwick * to ensure that the block can't be reused before we read it. 2755e05725b1Sbonwick */ 2756e05725b1Sbonwick zb.zb_objset = dmu_objset_id(os); 2757e05725b1Sbonwick zb.zb_object = ZTEST_DIROBJ; 2758e05725b1Sbonwick zb.zb_level = 0; 2759e05725b1Sbonwick zb.zb_blkid = off / bs; 2760e05725b1Sbonwick error = zio_wait(zio_read(NULL, za->za_spa, &blk, iobuf, bs, 2761e05725b1Sbonwick NULL, NULL, ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_MUSTSUCCEED, &zb)); 2762e05725b1Sbonwick ASSERT3U(error, ==, 0); 2763fa9e4066Sahrens 2764e05725b1Sbonwick txg_resume(dmu_objset_pool(os)); 2765fa9e4066Sahrens 2766e05725b1Sbonwick bcopy(&iobuf[blkoff], rbt, btsize); 2767fa9e4066Sahrens 2768e05725b1Sbonwick if (rbt->bt_objset == 0) /* concurrent free */ 2769e05725b1Sbonwick return; 27700e34b6a7Sbonwick 2771f4a72450SJeff Bonwick if (wbt->bt_objset == 0) /* all-zero overwrite */ 2772f4a72450SJeff Bonwick return; 2773f4a72450SJeff Bonwick 2774e05725b1Sbonwick ASSERT3U(rbt->bt_objset, ==, wbt->bt_objset); 2775e05725b1Sbonwick ASSERT3U(rbt->bt_object, ==, wbt->bt_object); 2776e05725b1Sbonwick ASSERT3U(rbt->bt_offset, ==, wbt->bt_offset); 2777fa9e4066Sahrens 2778e05725b1Sbonwick /* 2779e05725b1Sbonwick * The semantic of dmu_sync() is that we always push the most recent 2780e05725b1Sbonwick * version of the data, so in the face of concurrent updates we may 2781e05725b1Sbonwick * see a newer version of the block. That's OK. 2782e05725b1Sbonwick */ 2783e05725b1Sbonwick ASSERT3U(rbt->bt_txg, >=, wbt->bt_txg); 2784e05725b1Sbonwick if (rbt->bt_thread == wbt->bt_thread) 2785e05725b1Sbonwick ASSERT3U(rbt->bt_seq, ==, wbt->bt_seq); 2786e05725b1Sbonwick else 2787e05725b1Sbonwick ASSERT3U(rbt->bt_seq, >, wbt->bt_seq); 2788fa9e4066Sahrens } 2789fa9e4066Sahrens 2790fa9e4066Sahrens /* 2791fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 2792fa9e4066Sahrens */ 2793fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 2794fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 2795fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 2796fa9e4066Sahrens 2797fa9e4066Sahrens void 2798fa9e4066Sahrens ztest_zap(ztest_args_t *za) 2799fa9e4066Sahrens { 2800fa9e4066Sahrens objset_t *os = za->za_os; 2801fa9e4066Sahrens uint64_t object; 2802fa9e4066Sahrens uint64_t txg, last_txg; 2803fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 2804fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 2805fa9e4066Sahrens int i, ints; 2806fa9e4066Sahrens dmu_tx_t *tx; 2807fa9e4066Sahrens char propname[100], txgname[100]; 2808fa9e4066Sahrens int error; 2809fa9e4066Sahrens char osname[MAXNAMELEN]; 2810fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 2811fa9e4066Sahrens 2812fa9e4066Sahrens dmu_objset_name(os, osname); 2813fa9e4066Sahrens 2814fa9e4066Sahrens /* 2815fa9e4066Sahrens * Create a new object if necessary, and record it in the directory. 2816fa9e4066Sahrens */ 2817ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 28187bfdf011SNeil Perrin sizeof (uint64_t), &object, DMU_READ_PREFETCH)); 2819fa9e4066Sahrens 2820fa9e4066Sahrens if (object == 0) { 2821fa9e4066Sahrens tx = dmu_tx_create(os); 2822fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 2823fa9e4066Sahrens sizeof (uint64_t)); 2824ea8dc4b6Seschrock dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, TRUE, NULL); 2825fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2826fa9e4066Sahrens if (error) { 2827fa9e4066Sahrens ztest_record_enospc("create zap test obj"); 2828fa9e4066Sahrens dmu_tx_abort(tx); 2829fa9e4066Sahrens return; 2830fa9e4066Sahrens } 2831fa9e4066Sahrens object = zap_create(os, DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx); 2832fa9e4066Sahrens if (error) { 2833fa9e4066Sahrens fatal(0, "zap_create('%s', %llu) = %d", 2834fa9e4066Sahrens osname, object, error); 2835fa9e4066Sahrens } 2836fa9e4066Sahrens ASSERT(object != 0); 2837fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 2838fa9e4066Sahrens sizeof (uint64_t), &object, tx); 2839fa9e4066Sahrens /* 2840fa9e4066Sahrens * Generate a known hash collision, and verify that 2841fa9e4066Sahrens * we can lookup and remove both entries. 2842fa9e4066Sahrens */ 2843fa9e4066Sahrens for (i = 0; i < 2; i++) { 2844fa9e4066Sahrens value[i] = i; 2845fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2846fa9e4066Sahrens 1, &value[i], tx); 2847fa9e4066Sahrens ASSERT3U(error, ==, 0); 2848fa9e4066Sahrens } 2849fa9e4066Sahrens for (i = 0; i < 2; i++) { 2850fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2851fa9e4066Sahrens 1, &value[i], tx); 2852fa9e4066Sahrens ASSERT3U(error, ==, EEXIST); 2853fa9e4066Sahrens error = zap_length(os, object, hc[i], 2854fa9e4066Sahrens &zl_intsize, &zl_ints); 2855fa9e4066Sahrens ASSERT3U(error, ==, 0); 2856fa9e4066Sahrens ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2857fa9e4066Sahrens ASSERT3U(zl_ints, ==, 1); 2858fa9e4066Sahrens } 2859fa9e4066Sahrens for (i = 0; i < 2; i++) { 2860fa9e4066Sahrens error = zap_remove(os, object, hc[i], tx); 2861fa9e4066Sahrens ASSERT3U(error, ==, 0); 2862fa9e4066Sahrens } 2863fa9e4066Sahrens 2864fa9e4066Sahrens dmu_tx_commit(tx); 2865fa9e4066Sahrens } 2866fa9e4066Sahrens 2867fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 2868fa9e4066Sahrens 2869e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2870e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2871e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2872e05725b1Sbonwick bzero(value, sizeof (value)); 2873e05725b1Sbonwick last_txg = 0; 2874fa9e4066Sahrens 2875e05725b1Sbonwick /* 2876e05725b1Sbonwick * If these zap entries already exist, validate their contents. 2877e05725b1Sbonwick */ 2878e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2879e05725b1Sbonwick if (error == 0) { 2880e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2881e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 2882fa9e4066Sahrens 2883e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 2884e05725b1Sbonwick zl_ints, &last_txg) == 0); 2885fa9e4066Sahrens 2886e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 2887e05725b1Sbonwick &zl_ints) == 0); 2888fa9e4066Sahrens 2889e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2890e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 2891fa9e4066Sahrens 2892e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 2893e05725b1Sbonwick zl_ints, value) == 0); 2894fa9e4066Sahrens 2895e05725b1Sbonwick for (i = 0; i < ints; i++) { 2896e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 2897fa9e4066Sahrens } 2898e05725b1Sbonwick } else { 2899e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 2900e05725b1Sbonwick } 2901fa9e4066Sahrens 2902e05725b1Sbonwick /* 2903e05725b1Sbonwick * Atomically update two entries in our zap object. 2904e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 2905e05725b1Sbonwick * in which the property was last updated. The second 2906e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 2907e05725b1Sbonwick * should be txg + object + n. 2908e05725b1Sbonwick */ 2909e05725b1Sbonwick tx = dmu_tx_create(os); 2910e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2911e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2912e05725b1Sbonwick if (error) { 2913e05725b1Sbonwick ztest_record_enospc("create zap entry"); 2914e05725b1Sbonwick dmu_tx_abort(tx); 2915e05725b1Sbonwick return; 2916e05725b1Sbonwick } 2917e05725b1Sbonwick txg = dmu_tx_get_txg(tx); 2918fa9e4066Sahrens 2919e05725b1Sbonwick if (last_txg > txg) 2920e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 2921fa9e4066Sahrens 2922e05725b1Sbonwick for (i = 0; i < ints; i++) 2923e05725b1Sbonwick value[i] = txg + object + i; 2924fa9e4066Sahrens 2925e05725b1Sbonwick error = zap_update(os, object, txgname, sizeof (uint64_t), 1, &txg, tx); 2926e05725b1Sbonwick if (error) 2927e05725b1Sbonwick fatal(0, "zap_update('%s', %llu, '%s') = %d", 2928e05725b1Sbonwick osname, object, txgname, error); 2929fa9e4066Sahrens 2930e05725b1Sbonwick error = zap_update(os, object, propname, sizeof (uint64_t), 2931e05725b1Sbonwick ints, value, tx); 2932e05725b1Sbonwick if (error) 2933e05725b1Sbonwick fatal(0, "zap_update('%s', %llu, '%s') = %d", 2934e05725b1Sbonwick osname, object, propname, error); 2935fa9e4066Sahrens 2936e05725b1Sbonwick dmu_tx_commit(tx); 2937fa9e4066Sahrens 2938e05725b1Sbonwick /* 2939e05725b1Sbonwick * Remove a random pair of entries. 2940e05725b1Sbonwick */ 2941e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2942e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2943e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2944fa9e4066Sahrens 2945e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2946fa9e4066Sahrens 2947e05725b1Sbonwick if (error == ENOENT) 2948e05725b1Sbonwick return; 2949fa9e4066Sahrens 2950e05725b1Sbonwick ASSERT3U(error, ==, 0); 2951fa9e4066Sahrens 2952e05725b1Sbonwick tx = dmu_tx_create(os); 2953e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2954e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2955e05725b1Sbonwick if (error) { 2956e05725b1Sbonwick ztest_record_enospc("remove zap entry"); 2957e05725b1Sbonwick dmu_tx_abort(tx); 2958e05725b1Sbonwick return; 2959e05725b1Sbonwick } 2960e05725b1Sbonwick error = zap_remove(os, object, txgname, tx); 2961e05725b1Sbonwick if (error) 2962e05725b1Sbonwick fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2963e05725b1Sbonwick osname, object, txgname, error); 2964fa9e4066Sahrens 2965e05725b1Sbonwick error = zap_remove(os, object, propname, tx); 2966e05725b1Sbonwick if (error) 2967e05725b1Sbonwick fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2968e05725b1Sbonwick osname, object, propname, error); 2969fa9e4066Sahrens 2970e05725b1Sbonwick dmu_tx_commit(tx); 2971fa9e4066Sahrens 2972fa9e4066Sahrens /* 2973fa9e4066Sahrens * Once in a while, destroy the object. 2974fa9e4066Sahrens */ 2975e05725b1Sbonwick if (ztest_random(1000) != 0) 2976fa9e4066Sahrens return; 2977fa9e4066Sahrens 2978fa9e4066Sahrens tx = dmu_tx_create(os); 2979fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t)); 2980fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 2981fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2982fa9e4066Sahrens if (error) { 2983fa9e4066Sahrens ztest_record_enospc("destroy zap object"); 298412a2833aSSanjeev Bagewadi dmu_tx_abort(tx); 298512a2833aSSanjeev Bagewadi return; 298612a2833aSSanjeev Bagewadi } 298712a2833aSSanjeev Bagewadi error = zap_destroy(os, object, tx); 298812a2833aSSanjeev Bagewadi if (error) 298912a2833aSSanjeev Bagewadi fatal(0, "zap_destroy('%s', %llu) = %d", 299012a2833aSSanjeev Bagewadi osname, object, error); 299112a2833aSSanjeev Bagewadi object = 0; 299212a2833aSSanjeev Bagewadi dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), 299312a2833aSSanjeev Bagewadi &object, tx); 299412a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 299512a2833aSSanjeev Bagewadi } 299612a2833aSSanjeev Bagewadi 299712a2833aSSanjeev Bagewadi /* 299812a2833aSSanjeev Bagewadi * Testcase to test the upgrading of a microzap to fatzap. 299912a2833aSSanjeev Bagewadi */ 300012a2833aSSanjeev Bagewadi void 300112a2833aSSanjeev Bagewadi ztest_fzap(ztest_args_t *za) 300212a2833aSSanjeev Bagewadi { 300312a2833aSSanjeev Bagewadi objset_t *os = za->za_os; 300412a2833aSSanjeev Bagewadi uint64_t object; 300512a2833aSSanjeev Bagewadi uint64_t value; 300612a2833aSSanjeev Bagewadi dmu_tx_t *tx; 300712a2833aSSanjeev Bagewadi int i, error; 300812a2833aSSanjeev Bagewadi char osname[MAXNAMELEN]; 300912a2833aSSanjeev Bagewadi char *name = "aaa"; 30101bc69b9cSSanjeev Bagewadi char entname[MAXNAMELEN]; 301112a2833aSSanjeev Bagewadi 301212a2833aSSanjeev Bagewadi dmu_objset_name(os, osname); 301312a2833aSSanjeev Bagewadi 301412a2833aSSanjeev Bagewadi /* 301512a2833aSSanjeev Bagewadi * Create a new object if necessary, and record it in the directory. 301612a2833aSSanjeev Bagewadi */ 301712a2833aSSanjeev Bagewadi VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 301812a2833aSSanjeev Bagewadi sizeof (uint64_t), &object, DMU_READ_PREFETCH)); 301912a2833aSSanjeev Bagewadi 302012a2833aSSanjeev Bagewadi if (object == 0) { 302112a2833aSSanjeev Bagewadi tx = dmu_tx_create(os); 302212a2833aSSanjeev Bagewadi dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 302312a2833aSSanjeev Bagewadi sizeof (uint64_t)); 302412a2833aSSanjeev Bagewadi dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, TRUE, NULL); 302512a2833aSSanjeev Bagewadi error = dmu_tx_assign(tx, TXG_WAIT); 302612a2833aSSanjeev Bagewadi if (error) { 302712a2833aSSanjeev Bagewadi ztest_record_enospc("create zap test obj"); 302812a2833aSSanjeev Bagewadi dmu_tx_abort(tx); 302912a2833aSSanjeev Bagewadi return; 303012a2833aSSanjeev Bagewadi } 303112a2833aSSanjeev Bagewadi object = zap_create(os, DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx); 303212a2833aSSanjeev Bagewadi if (error) { 303312a2833aSSanjeev Bagewadi fatal(0, "zap_create('%s', %llu) = %d", 303412a2833aSSanjeev Bagewadi osname, object, error); 303512a2833aSSanjeev Bagewadi } 303612a2833aSSanjeev Bagewadi ASSERT(object != 0); 303712a2833aSSanjeev Bagewadi dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 303812a2833aSSanjeev Bagewadi sizeof (uint64_t), &object, tx); 303912a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 304012a2833aSSanjeev Bagewadi } 304112a2833aSSanjeev Bagewadi 304212a2833aSSanjeev Bagewadi /* 304312a2833aSSanjeev Bagewadi * Add entries to this ZAP amd make sure it spills over 304412a2833aSSanjeev Bagewadi * and gets upgraded to a fatzap. Also, since we are adding 304512a2833aSSanjeev Bagewadi * 2050 entries we should see ptrtbl growth and leaf-block 304612a2833aSSanjeev Bagewadi * split. 304712a2833aSSanjeev Bagewadi */ 304812a2833aSSanjeev Bagewadi for (i = 0; i < 2050; i++) { 30491bc69b9cSSanjeev Bagewadi (void) snprintf(entname, sizeof (entname), "%s-%d", name, i); 305012a2833aSSanjeev Bagewadi value = i; 305112a2833aSSanjeev Bagewadi 305212a2833aSSanjeev Bagewadi tx = dmu_tx_create(os); 305312a2833aSSanjeev Bagewadi dmu_tx_hold_zap(tx, object, TRUE, entname); 305412a2833aSSanjeev Bagewadi error = dmu_tx_assign(tx, TXG_WAIT); 305512a2833aSSanjeev Bagewadi 305612a2833aSSanjeev Bagewadi if (error) { 305712a2833aSSanjeev Bagewadi ztest_record_enospc("create zap entry"); 305812a2833aSSanjeev Bagewadi dmu_tx_abort(tx); 305912a2833aSSanjeev Bagewadi return; 306012a2833aSSanjeev Bagewadi } 306112a2833aSSanjeev Bagewadi error = zap_add(os, object, entname, sizeof (uint64_t), 306212a2833aSSanjeev Bagewadi 1, &value, tx); 306312a2833aSSanjeev Bagewadi 306412a2833aSSanjeev Bagewadi ASSERT(error == 0 || error == EEXIST); 306512a2833aSSanjeev Bagewadi dmu_tx_commit(tx); 306612a2833aSSanjeev Bagewadi } 306712a2833aSSanjeev Bagewadi 306812a2833aSSanjeev Bagewadi /* 306912a2833aSSanjeev Bagewadi * Once in a while, destroy the object. 307012a2833aSSanjeev Bagewadi */ 307112a2833aSSanjeev Bagewadi if (ztest_random(1000) != 0) 307212a2833aSSanjeev Bagewadi return; 307312a2833aSSanjeev Bagewadi 307412a2833aSSanjeev Bagewadi tx = dmu_tx_create(os); 307512a2833aSSanjeev Bagewadi dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t)); 307612a2833aSSanjeev Bagewadi dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 307712a2833aSSanjeev Bagewadi error = dmu_tx_assign(tx, TXG_WAIT); 307812a2833aSSanjeev Bagewadi if (error) { 307912a2833aSSanjeev Bagewadi ztest_record_enospc("destroy zap object"); 3080fa9e4066Sahrens dmu_tx_abort(tx); 3081fa9e4066Sahrens return; 3082fa9e4066Sahrens } 3083fa9e4066Sahrens error = zap_destroy(os, object, tx); 3084fa9e4066Sahrens if (error) 3085fa9e4066Sahrens fatal(0, "zap_destroy('%s', %llu) = %d", 3086fa9e4066Sahrens osname, object, error); 3087fa9e4066Sahrens object = 0; 3088fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), 3089fa9e4066Sahrens &object, tx); 3090fa9e4066Sahrens dmu_tx_commit(tx); 3091fa9e4066Sahrens } 3092fa9e4066Sahrens 3093fa9e4066Sahrens void 3094fa9e4066Sahrens ztest_zap_parallel(ztest_args_t *za) 3095fa9e4066Sahrens { 3096fa9e4066Sahrens objset_t *os = za->za_os; 3097fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 3098fa9e4066Sahrens dmu_tx_t *tx; 3099fa9e4066Sahrens int i, namelen, error; 3100fa9e4066Sahrens char name[20], string_value[20]; 3101fa9e4066Sahrens void *data; 3102fa9e4066Sahrens 3103e05725b1Sbonwick /* 3104e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 3105e05725b1Sbonwick * x is a random printable character and the dots are dots. 3106e05725b1Sbonwick * There are 94 such characters, and the name length goes from 3107e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 3108e05725b1Sbonwick */ 3109e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 3110fa9e4066Sahrens 3111e05725b1Sbonwick for (i = 0; i < 3; i++) 3112e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 3113e05725b1Sbonwick for (; i < namelen - 1; i++) 3114e05725b1Sbonwick name[i] = '.'; 3115e05725b1Sbonwick name[i] = '\0'; 3116fa9e4066Sahrens 3117e05725b1Sbonwick if (ztest_random(2) == 0) 3118e05725b1Sbonwick object = ZTEST_MICROZAP_OBJ; 3119e05725b1Sbonwick else 3120e05725b1Sbonwick object = ZTEST_FATZAP_OBJ; 3121fa9e4066Sahrens 3122e05725b1Sbonwick if ((namelen & 1) || object == ZTEST_MICROZAP_OBJ) { 3123e05725b1Sbonwick wsize = sizeof (txg); 3124e05725b1Sbonwick wc = 1; 3125e05725b1Sbonwick data = &txg; 3126e05725b1Sbonwick } else { 3127e05725b1Sbonwick wsize = 1; 3128e05725b1Sbonwick wc = namelen; 3129e05725b1Sbonwick data = string_value; 3130e05725b1Sbonwick } 3131fa9e4066Sahrens 3132e05725b1Sbonwick count = -1ULL; 3133e05725b1Sbonwick VERIFY(zap_count(os, object, &count) == 0); 3134e05725b1Sbonwick ASSERT(count != -1ULL); 3135fa9e4066Sahrens 3136e05725b1Sbonwick /* 3137e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 3138e05725b1Sbonwick */ 3139e05725b1Sbonwick i = ztest_random(5); 3140e05725b1Sbonwick 3141e05725b1Sbonwick if (i >= 2) { 3142e05725b1Sbonwick tx = dmu_tx_create(os); 3143e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 3144e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 3145e05725b1Sbonwick if (error) { 3146e05725b1Sbonwick ztest_record_enospc("zap parallel"); 3147e05725b1Sbonwick dmu_tx_abort(tx); 3148e05725b1Sbonwick return; 3149fa9e4066Sahrens } 3150e05725b1Sbonwick txg = dmu_tx_get_txg(tx); 3151e05725b1Sbonwick bcopy(name, string_value, namelen); 3152e05725b1Sbonwick } else { 3153e05725b1Sbonwick tx = NULL; 3154e05725b1Sbonwick txg = 0; 3155e05725b1Sbonwick bzero(string_value, namelen); 3156e05725b1Sbonwick } 3157fa9e4066Sahrens 3158e05725b1Sbonwick switch (i) { 3159fa9e4066Sahrens 3160e05725b1Sbonwick case 0: 3161e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 3162e05725b1Sbonwick if (error == 0) { 3163e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 3164e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 3165e05725b1Sbonwick } else { 3166e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 3167e05725b1Sbonwick } 3168e05725b1Sbonwick break; 3169fa9e4066Sahrens 3170e05725b1Sbonwick case 1: 3171e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 3172e05725b1Sbonwick if (error == 0) { 3173e05725b1Sbonwick if (data == string_value && 3174e05725b1Sbonwick bcmp(name, data, namelen) != 0) 3175e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 3176e05725b1Sbonwick name, data, namelen); 3177e05725b1Sbonwick } else { 3178e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 3179e05725b1Sbonwick } 3180e05725b1Sbonwick break; 3181fa9e4066Sahrens 3182e05725b1Sbonwick case 2: 3183e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 3184e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 3185e05725b1Sbonwick break; 3186fa9e4066Sahrens 3187e05725b1Sbonwick case 3: 3188e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 3189e05725b1Sbonwick break; 3190fa9e4066Sahrens 3191e05725b1Sbonwick case 4: 3192e05725b1Sbonwick error = zap_remove(os, object, name, tx); 3193e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 3194e05725b1Sbonwick break; 3195fa9e4066Sahrens } 3196e05725b1Sbonwick 3197e05725b1Sbonwick if (tx != NULL) 3198e05725b1Sbonwick dmu_tx_commit(tx); 3199fa9e4066Sahrens } 3200fa9e4066Sahrens 3201fa9e4066Sahrens void 3202fa9e4066Sahrens ztest_dsl_prop_get_set(ztest_args_t *za) 3203fa9e4066Sahrens { 3204fa9e4066Sahrens objset_t *os = za->za_os; 3205fa9e4066Sahrens int i, inherit; 3206fa9e4066Sahrens uint64_t value; 3207fa9e4066Sahrens const char *prop, *valname; 3208fa9e4066Sahrens char setpoint[MAXPATHLEN]; 3209fa9e4066Sahrens char osname[MAXNAMELEN]; 3210ea8dc4b6Seschrock int error; 3211fa9e4066Sahrens 3212fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3213fa9e4066Sahrens 3214fa9e4066Sahrens dmu_objset_name(os, osname); 3215fa9e4066Sahrens 3216fa9e4066Sahrens for (i = 0; i < 2; i++) { 3217fa9e4066Sahrens if (i == 0) { 3218fa9e4066Sahrens prop = "checksum"; 3219fa9e4066Sahrens value = ztest_random_checksum(); 3220fa9e4066Sahrens inherit = (value == ZIO_CHECKSUM_INHERIT); 3221fa9e4066Sahrens } else { 3222fa9e4066Sahrens prop = "compression"; 3223fa9e4066Sahrens value = ztest_random_compress(); 3224fa9e4066Sahrens inherit = (value == ZIO_COMPRESS_INHERIT); 3225fa9e4066Sahrens } 3226fa9e4066Sahrens 3227ea8dc4b6Seschrock error = dsl_prop_set(osname, prop, sizeof (value), 3228ea8dc4b6Seschrock !inherit, &value); 3229ea8dc4b6Seschrock 3230ea8dc4b6Seschrock if (error == ENOSPC) { 3231ea8dc4b6Seschrock ztest_record_enospc("dsl_prop_set"); 3232ea8dc4b6Seschrock break; 3233ea8dc4b6Seschrock } 3234ea8dc4b6Seschrock 3235ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 3236fa9e4066Sahrens 3237fa9e4066Sahrens VERIFY3U(dsl_prop_get(osname, prop, sizeof (value), 3238fa9e4066Sahrens 1, &value, setpoint), ==, 0); 3239fa9e4066Sahrens 3240fa9e4066Sahrens if (i == 0) 3241fa9e4066Sahrens valname = zio_checksum_table[value].ci_name; 3242fa9e4066Sahrens else 3243fa9e4066Sahrens valname = zio_compress_table[value].ci_name; 3244fa9e4066Sahrens 3245fa9e4066Sahrens if (zopt_verbose >= 6) { 3246fa9e4066Sahrens (void) printf("%s %s = %s for '%s'\n", 3247fa9e4066Sahrens osname, prop, valname, setpoint); 3248fa9e4066Sahrens } 3249fa9e4066Sahrens } 3250fa9e4066Sahrens 3251fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3252fa9e4066Sahrens } 3253fa9e4066Sahrens 3254fa9e4066Sahrens /* 3255fa9e4066Sahrens * Inject random faults into the on-disk data. 3256fa9e4066Sahrens */ 3257fa9e4066Sahrens void 3258fa9e4066Sahrens ztest_fault_inject(ztest_args_t *za) 3259fa9e4066Sahrens { 3260fa9e4066Sahrens int fd; 3261fa9e4066Sahrens uint64_t offset; 3262fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 3263fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 3264fa9e4066Sahrens uint64_t top, leaf; 3265fa9e4066Sahrens char path0[MAXPATHLEN]; 3266fa9e4066Sahrens char pathrand[MAXPATHLEN]; 3267fa9e4066Sahrens size_t fsize; 3268e05725b1Sbonwick spa_t *spa = za->za_spa; 3269fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 3270fa9e4066Sahrens int iters = 1000; 3271e14bb325SJeff Bonwick int maxfaults = zopt_maxfaults; 3272e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 3273ea8dc4b6Seschrock uint64_t guid0 = 0; 3274ea8dc4b6Seschrock 3275e14bb325SJeff Bonwick ASSERT(leaves >= 1); 3276fa9e4066Sahrens 3277fa9e4066Sahrens /* 3278e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 3279fa9e4066Sahrens */ 3280e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 3281fa9e4066Sahrens 3282e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 3283e14bb325SJeff Bonwick /* 3284e14bb325SJeff Bonwick * Inject errors on a normal data device. 3285e14bb325SJeff Bonwick */ 3286e14bb325SJeff Bonwick top = ztest_random(spa->spa_root_vdev->vdev_children); 3287e14bb325SJeff Bonwick leaf = ztest_random(leaves); 3288fa9e4066Sahrens 3289e14bb325SJeff Bonwick /* 3290e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 3291e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 3292e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 3293e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 3294e14bb325SJeff Bonwick */ 3295e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 3296e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + 0); 3297e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 3298e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 3299fa9e4066Sahrens 3300e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 3301e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 3302e14bb325SJeff Bonwick /* 3303e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 3304e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 3305e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 3306e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 3307e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 3308e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 3309e14bb325SJeff Bonwick * combination of this with injection of random data 3310e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 3311e14bb325SJeff Bonwick */ 3312e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 3313e14bb325SJeff Bonwick 3314e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 3315e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 3316e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 3317e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 3318e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 3319e14bb325SJeff Bonwick } else { 3320e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 3321e14bb325SJeff Bonwick } 3322e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 3323e14bb325SJeff Bonwick } 3324e14bb325SJeff Bonwick } else { 3325e14bb325SJeff Bonwick /* 3326e14bb325SJeff Bonwick * Inject errors on an l2cache device. 3327e14bb325SJeff Bonwick */ 3328e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 3329fa9e4066Sahrens 3330e14bb325SJeff Bonwick if (sav->sav_count == 0) { 3331e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 3332e14bb325SJeff Bonwick return; 3333e14bb325SJeff Bonwick } 3334e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 3335ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 3336e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 3337e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 3338e14bb325SJeff Bonwick 3339e14bb325SJeff Bonwick leaf = 0; 3340e14bb325SJeff Bonwick leaves = 1; 3341e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 3342fa9e4066Sahrens } 3343fa9e4066Sahrens 3344e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 3345e14bb325SJeff Bonwick 3346e14bb325SJeff Bonwick if (maxfaults == 0) 3347e14bb325SJeff Bonwick return; 3348fa9e4066Sahrens 3349fa9e4066Sahrens /* 3350ea8dc4b6Seschrock * If we can tolerate two or more faults, randomly online/offline vd0. 3351fa9e4066Sahrens */ 3352e14bb325SJeff Bonwick if (maxfaults >= 2 && guid0 != 0) { 33538ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 33548ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 33558ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 33568ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 33578ad4d6ddSJeff Bonwick } else { 33588ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 33598ad4d6ddSJeff Bonwick } 3360fa9e4066Sahrens } 3361fa9e4066Sahrens 3362fa9e4066Sahrens /* 3363ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 3364fa9e4066Sahrens */ 3365fa9e4066Sahrens fd = open(pathrand, O_RDWR); 3366fa9e4066Sahrens 3367fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 3368fa9e4066Sahrens return; 3369fa9e4066Sahrens 3370fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 3371fa9e4066Sahrens 3372fa9e4066Sahrens while (--iters != 0) { 3373fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 3374fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 3375fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 3376fa9e4066Sahrens 3377fa9e4066Sahrens if (offset >= fsize) 3378fa9e4066Sahrens continue; 3379fa9e4066Sahrens 3380fa9e4066Sahrens if (zopt_verbose >= 6) 3381fa9e4066Sahrens (void) printf("injecting bad word into %s," 3382fa9e4066Sahrens " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 3383fa9e4066Sahrens 3384fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 3385fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 3386fa9e4066Sahrens offset, pathrand); 3387fa9e4066Sahrens } 3388fa9e4066Sahrens 3389fa9e4066Sahrens (void) close(fd); 3390fa9e4066Sahrens } 3391fa9e4066Sahrens 3392fa9e4066Sahrens /* 3393fa9e4066Sahrens * Scrub the pool. 3394fa9e4066Sahrens */ 3395fa9e4066Sahrens void 3396fa9e4066Sahrens ztest_scrub(ztest_args_t *za) 3397fa9e4066Sahrens { 3398e05725b1Sbonwick spa_t *spa = za->za_spa; 3399fa9e4066Sahrens 3400088f3894Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 3401fa9e4066Sahrens (void) poll(NULL, 0, 1000); /* wait a second, then force a restart */ 3402088f3894Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 3403fa9e4066Sahrens } 3404fa9e4066Sahrens 3405fa9e4066Sahrens /* 3406fa9e4066Sahrens * Rename the pool to a different name and then rename it back. 3407fa9e4066Sahrens */ 3408fa9e4066Sahrens void 3409fa9e4066Sahrens ztest_spa_rename(ztest_args_t *za) 3410fa9e4066Sahrens { 3411fa9e4066Sahrens char *oldname, *newname; 3412fa9e4066Sahrens int error; 3413fa9e4066Sahrens spa_t *spa; 3414fa9e4066Sahrens 3415fa9e4066Sahrens (void) rw_wrlock(&ztest_shared->zs_name_lock); 3416fa9e4066Sahrens 3417fa9e4066Sahrens oldname = za->za_pool; 3418fa9e4066Sahrens newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 3419fa9e4066Sahrens (void) strcpy(newname, oldname); 3420fa9e4066Sahrens (void) strcat(newname, "_tmp"); 3421fa9e4066Sahrens 3422fa9e4066Sahrens /* 3423fa9e4066Sahrens * Do the rename 3424fa9e4066Sahrens */ 3425fa9e4066Sahrens error = spa_rename(oldname, newname); 3426fa9e4066Sahrens if (error) 3427fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", oldname, 3428fa9e4066Sahrens newname, error); 3429fa9e4066Sahrens 3430fa9e4066Sahrens /* 3431fa9e4066Sahrens * Try to open it under the old name, which shouldn't exist 3432fa9e4066Sahrens */ 3433fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3434fa9e4066Sahrens if (error != ENOENT) 3435fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 3436fa9e4066Sahrens 3437fa9e4066Sahrens /* 3438fa9e4066Sahrens * Open it under the new name and make sure it's still the same spa_t. 3439fa9e4066Sahrens */ 3440fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 3441fa9e4066Sahrens if (error != 0) 3442fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3443fa9e4066Sahrens 3444e05725b1Sbonwick ASSERT(spa == za->za_spa); 3445fa9e4066Sahrens spa_close(spa, FTAG); 3446fa9e4066Sahrens 3447fa9e4066Sahrens /* 3448fa9e4066Sahrens * Rename it back to the original 3449fa9e4066Sahrens */ 3450fa9e4066Sahrens error = spa_rename(newname, oldname); 3451fa9e4066Sahrens if (error) 3452fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", newname, 3453fa9e4066Sahrens oldname, error); 3454fa9e4066Sahrens 3455fa9e4066Sahrens /* 3456fa9e4066Sahrens * Make sure it can still be opened 3457fa9e4066Sahrens */ 3458fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3459fa9e4066Sahrens if (error != 0) 3460fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 3461fa9e4066Sahrens 3462e05725b1Sbonwick ASSERT(spa == za->za_spa); 3463fa9e4066Sahrens spa_close(spa, FTAG); 3464fa9e4066Sahrens 3465fa9e4066Sahrens umem_free(newname, strlen(newname) + 1); 3466fa9e4066Sahrens 3467fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3468fa9e4066Sahrens } 3469fa9e4066Sahrens 3470fa9e4066Sahrens 3471fa9e4066Sahrens /* 3472fa9e4066Sahrens * Completely obliterate one disk. 3473fa9e4066Sahrens */ 3474fa9e4066Sahrens static void 3475fa9e4066Sahrens ztest_obliterate_one_disk(uint64_t vdev) 3476fa9e4066Sahrens { 3477fa9e4066Sahrens int fd; 3478d80c45e0Sbonwick char dev_name[MAXPATHLEN], copy_name[MAXPATHLEN]; 3479fa9e4066Sahrens size_t fsize; 3480fa9e4066Sahrens 3481fa9e4066Sahrens if (zopt_maxfaults < 2) 3482fa9e4066Sahrens return; 3483fa9e4066Sahrens 3484fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 3485d80c45e0Sbonwick (void) snprintf(copy_name, MAXPATHLEN, "%s.old", dev_name); 3486fa9e4066Sahrens 3487fa9e4066Sahrens fd = open(dev_name, O_RDWR); 3488fa9e4066Sahrens 3489fa9e4066Sahrens if (fd == -1) 3490fa9e4066Sahrens fatal(1, "can't open %s", dev_name); 3491fa9e4066Sahrens 3492fa9e4066Sahrens /* 3493fa9e4066Sahrens * Determine the size. 3494fa9e4066Sahrens */ 3495fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 3496d80c45e0Sbonwick 3497fa9e4066Sahrens (void) close(fd); 3498fa9e4066Sahrens 3499fa9e4066Sahrens /* 3500d80c45e0Sbonwick * Rename the old device to dev_name.old (useful for debugging). 3501fa9e4066Sahrens */ 3502d80c45e0Sbonwick VERIFY(rename(dev_name, copy_name) == 0); 3503fa9e4066Sahrens 3504fa9e4066Sahrens /* 3505fa9e4066Sahrens * Create a new one. 3506fa9e4066Sahrens */ 3507fa9e4066Sahrens VERIFY((fd = open(dev_name, O_RDWR | O_CREAT | O_TRUNC, 0666)) >= 0); 3508fa9e4066Sahrens VERIFY(ftruncate(fd, fsize) == 0); 3509fa9e4066Sahrens (void) close(fd); 3510fa9e4066Sahrens } 3511fa9e4066Sahrens 3512fa9e4066Sahrens static void 3513fa9e4066Sahrens ztest_replace_one_disk(spa_t *spa, uint64_t vdev) 3514fa9e4066Sahrens { 3515fa9e4066Sahrens char dev_name[MAXPATHLEN]; 3516e14bb325SJeff Bonwick nvlist_t *root; 3517fa9e4066Sahrens int error; 3518ea8dc4b6Seschrock uint64_t guid; 3519ea8dc4b6Seschrock vdev_t *vd; 3520fa9e4066Sahrens 3521fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 3522fa9e4066Sahrens 3523fa9e4066Sahrens /* 3524fa9e4066Sahrens * Build the nvlist describing dev_name. 3525fa9e4066Sahrens */ 3526e14bb325SJeff Bonwick root = make_vdev_root(dev_name, NULL, 0, 0, 0, 0, 0, 1); 3527fa9e4066Sahrens 3528e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 3529ea8dc4b6Seschrock if ((vd = vdev_lookup_by_path(spa->spa_root_vdev, dev_name)) == NULL) 3530ea8dc4b6Seschrock guid = 0; 3531ea8dc4b6Seschrock else 3532ea8dc4b6Seschrock guid = vd->vdev_guid; 3533e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 3534ea8dc4b6Seschrock error = spa_vdev_attach(spa, guid, root, B_TRUE); 3535ecc2d604Sbonwick if (error != 0 && 3536ecc2d604Sbonwick error != EBUSY && 3537ecc2d604Sbonwick error != ENOTSUP && 3538ecc2d604Sbonwick error != ENODEV && 3539ecc2d604Sbonwick error != EDOM) 3540fa9e4066Sahrens fatal(0, "spa_vdev_attach(in-place) = %d", error); 3541fa9e4066Sahrens 3542fa9e4066Sahrens nvlist_free(root); 3543fa9e4066Sahrens } 3544fa9e4066Sahrens 3545fa9e4066Sahrens static void 3546fa9e4066Sahrens ztest_verify_blocks(char *pool) 3547fa9e4066Sahrens { 3548fa9e4066Sahrens int status; 3549fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 3550fa9e4066Sahrens char zbuf[1024]; 3551fa9e4066Sahrens char *bin; 35528654d025Sperrin char *ztest; 35538654d025Sperrin char *isa; 35548654d025Sperrin int isalen; 3555fa9e4066Sahrens FILE *fp; 3556fa9e4066Sahrens 3557fa9e4066Sahrens (void) realpath(getexecname(), zdb); 3558fa9e4066Sahrens 3559fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 3560fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 35618654d025Sperrin ztest = strstr(bin, "/ztest"); 35628654d025Sperrin isa = bin + 8; 35638654d025Sperrin isalen = ztest - isa; 35648654d025Sperrin isa = strdup(isa); 3565fa9e4066Sahrens /* LINTED */ 35663a57275aSck (void) sprintf(bin, 35676365109dSVictor Latushkin "/usr/sbin%.*s/zdb -bcc%s%s -U /tmp/zpool.cache %s", 35688654d025Sperrin isalen, 35698654d025Sperrin isa, 3570fa9e4066Sahrens zopt_verbose >= 3 ? "s" : "", 3571fa9e4066Sahrens zopt_verbose >= 4 ? "v" : "", 357288b7b0f2SMatthew Ahrens pool); 35738654d025Sperrin free(isa); 3574fa9e4066Sahrens 3575fa9e4066Sahrens if (zopt_verbose >= 5) 3576fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 3577fa9e4066Sahrens 3578fa9e4066Sahrens fp = popen(zdb, "r"); 3579fa9e4066Sahrens 3580fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 3581fa9e4066Sahrens if (zopt_verbose >= 3) 3582fa9e4066Sahrens (void) printf("%s", zbuf); 3583fa9e4066Sahrens 3584fa9e4066Sahrens status = pclose(fp); 3585fa9e4066Sahrens 3586fa9e4066Sahrens if (status == 0) 3587fa9e4066Sahrens return; 3588fa9e4066Sahrens 3589fa9e4066Sahrens ztest_dump_core = 0; 3590fa9e4066Sahrens if (WIFEXITED(status)) 3591fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 3592fa9e4066Sahrens else 3593fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 3594fa9e4066Sahrens } 3595fa9e4066Sahrens 3596fa9e4066Sahrens static void 3597fa9e4066Sahrens ztest_walk_pool_directory(char *header) 3598fa9e4066Sahrens { 3599fa9e4066Sahrens spa_t *spa = NULL; 3600fa9e4066Sahrens 3601fa9e4066Sahrens if (zopt_verbose >= 6) 3602fa9e4066Sahrens (void) printf("%s\n", header); 3603fa9e4066Sahrens 3604fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 3605fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 3606fa9e4066Sahrens if (zopt_verbose >= 6) 3607fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 3608fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 3609fa9e4066Sahrens } 3610fa9e4066Sahrens 3611fa9e4066Sahrens static void 3612fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 3613fa9e4066Sahrens { 36148ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 3615fa9e4066Sahrens uint64_t pool_guid; 3616fa9e4066Sahrens spa_t *spa; 3617fa9e4066Sahrens int error; 3618fa9e4066Sahrens 3619fa9e4066Sahrens if (zopt_verbose >= 4) { 3620fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 3621fa9e4066Sahrens oldname, newname); 3622fa9e4066Sahrens } 3623fa9e4066Sahrens 3624fa9e4066Sahrens /* 3625fa9e4066Sahrens * Clean up from previous runs. 3626fa9e4066Sahrens */ 3627fa9e4066Sahrens (void) spa_destroy(newname); 3628fa9e4066Sahrens 3629fa9e4066Sahrens /* 3630fa9e4066Sahrens * Get the pool's configuration and guid. 3631fa9e4066Sahrens */ 3632fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3633fa9e4066Sahrens if (error) 3634fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 3635fa9e4066Sahrens 36368ad4d6ddSJeff Bonwick /* 36378ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 36388ad4d6ddSJeff Bonwick */ 36398ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 36408ad4d6ddSJeff Bonwick (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 36418ad4d6ddSJeff Bonwick 3642fa9e4066Sahrens pool_guid = spa_guid(spa); 3643fa9e4066Sahrens spa_close(spa, FTAG); 3644fa9e4066Sahrens 3645fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 3646fa9e4066Sahrens 3647fa9e4066Sahrens /* 3648fa9e4066Sahrens * Export it. 3649fa9e4066Sahrens */ 3650394ab0cbSGeorge Wilson error = spa_export(oldname, &config, B_FALSE, B_FALSE); 3651fa9e4066Sahrens if (error) 3652fa9e4066Sahrens fatal(0, "spa_export('%s') = %d", oldname, error); 3653fa9e4066Sahrens 3654fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 3655fa9e4066Sahrens 36568ad4d6ddSJeff Bonwick /* 36578ad4d6ddSJeff Bonwick * Try to import it. 36588ad4d6ddSJeff Bonwick */ 36598ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 36608ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 36618ad4d6ddSJeff Bonwick nvlist_free(newconfig); 36628ad4d6ddSJeff Bonwick 3663fa9e4066Sahrens /* 3664fa9e4066Sahrens * Import it under the new name. 3665fa9e4066Sahrens */ 3666fa9e4066Sahrens error = spa_import(newname, config, NULL); 3667fa9e4066Sahrens if (error) 3668fa9e4066Sahrens fatal(0, "spa_import('%s') = %d", newname, error); 3669fa9e4066Sahrens 3670fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 3671fa9e4066Sahrens 3672fa9e4066Sahrens /* 3673fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 3674fa9e4066Sahrens */ 3675fa9e4066Sahrens error = spa_import(newname, config, NULL); 3676fa9e4066Sahrens if (error != EEXIST) 3677fa9e4066Sahrens fatal(0, "spa_import('%s') twice", newname); 3678fa9e4066Sahrens 3679fa9e4066Sahrens /* 3680fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 3681fa9e4066Sahrens */ 3682fa9e4066Sahrens error = spa_import(oldname, config, NULL); 3683fa9e4066Sahrens if (error != EEXIST) 3684fa9e4066Sahrens fatal(0, "spa_import('%s') under multiple names", newname); 3685fa9e4066Sahrens 3686fa9e4066Sahrens /* 3687fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 3688fa9e4066Sahrens */ 3689fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3690fa9e4066Sahrens if (error != ENOENT) 3691fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3692fa9e4066Sahrens 3693fa9e4066Sahrens /* 3694fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 3695fa9e4066Sahrens */ 3696fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 3697fa9e4066Sahrens if (error) 3698fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3699fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 3700fa9e4066Sahrens spa_close(spa, FTAG); 3701fa9e4066Sahrens 3702fa9e4066Sahrens nvlist_free(config); 3703fa9e4066Sahrens } 3704fa9e4066Sahrens 37058ad4d6ddSJeff Bonwick static void 37068ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 37078ad4d6ddSJeff Bonwick { 37088ad4d6ddSJeff Bonwick if (spa_suspended(spa)) { 37098ad4d6ddSJeff Bonwick spa_vdev_state_enter(spa); 37108ad4d6ddSJeff Bonwick vdev_clear(spa, NULL); 37118ad4d6ddSJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 371254d692b7SGeorge Wilson (void) zio_resume(spa); 37138ad4d6ddSJeff Bonwick } 37148ad4d6ddSJeff Bonwick } 37158ad4d6ddSJeff Bonwick 37160a4e9518Sgw static void * 37178ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 37180a4e9518Sgw { 3719e14bb325SJeff Bonwick spa_t *spa = arg; 37200a4e9518Sgw 37210a4e9518Sgw while (!ztest_exiting) { 3722e14bb325SJeff Bonwick (void) poll(NULL, 0, 1000); 37238ad4d6ddSJeff Bonwick ztest_resume(spa); 37240a4e9518Sgw } 37250a4e9518Sgw return (NULL); 37260a4e9518Sgw } 37270a4e9518Sgw 3728fa9e4066Sahrens static void * 3729fa9e4066Sahrens ztest_thread(void *arg) 3730fa9e4066Sahrens { 3731fa9e4066Sahrens ztest_args_t *za = arg; 3732fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 3733fa9e4066Sahrens hrtime_t now, functime; 3734fa9e4066Sahrens ztest_info_t *zi; 3735e05725b1Sbonwick int f, i; 3736fa9e4066Sahrens 3737fa9e4066Sahrens while ((now = gethrtime()) < za->za_stop) { 3738fa9e4066Sahrens /* 3739fa9e4066Sahrens * See if it's time to force a crash. 3740fa9e4066Sahrens */ 3741fa9e4066Sahrens if (now > za->za_kill) { 3742e05725b1Sbonwick zs->zs_alloc = spa_get_alloc(za->za_spa); 3743e05725b1Sbonwick zs->zs_space = spa_get_space(za->za_spa); 3744fa9e4066Sahrens (void) kill(getpid(), SIGKILL); 3745fa9e4066Sahrens } 3746fa9e4066Sahrens 3747fa9e4066Sahrens /* 3748fa9e4066Sahrens * Pick a random function. 3749fa9e4066Sahrens */ 3750fa9e4066Sahrens f = ztest_random(ZTEST_FUNCS); 3751fa9e4066Sahrens zi = &zs->zs_info[f]; 3752fa9e4066Sahrens 3753fa9e4066Sahrens /* 3754fa9e4066Sahrens * Decide whether to call it, based on the requested frequency. 3755fa9e4066Sahrens */ 3756fa9e4066Sahrens if (zi->zi_call_target == 0 || 3757fa9e4066Sahrens (double)zi->zi_call_total / zi->zi_call_target > 3758fa9e4066Sahrens (double)(now - zs->zs_start_time) / (zopt_time * NANOSEC)) 3759fa9e4066Sahrens continue; 3760fa9e4066Sahrens 3761fa9e4066Sahrens atomic_add_64(&zi->zi_calls, 1); 3762fa9e4066Sahrens atomic_add_64(&zi->zi_call_total, 1); 3763fa9e4066Sahrens 3764fa9e4066Sahrens za->za_diroff = (za->za_instance * ZTEST_FUNCS + f) * 3765fa9e4066Sahrens ZTEST_DIRSIZE; 3766fa9e4066Sahrens za->za_diroff_shared = (1ULL << 63); 3767fa9e4066Sahrens 3768e05725b1Sbonwick for (i = 0; i < zi->zi_iters; i++) 3769e05725b1Sbonwick zi->zi_func(za); 3770fa9e4066Sahrens 3771fa9e4066Sahrens functime = gethrtime() - now; 3772fa9e4066Sahrens 3773fa9e4066Sahrens atomic_add_64(&zi->zi_call_time, functime); 3774fa9e4066Sahrens 3775fa9e4066Sahrens if (zopt_verbose >= 4) { 3776fa9e4066Sahrens Dl_info dli; 3777fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 3778fa9e4066Sahrens (void) printf("%6.2f sec in %s\n", 3779fa9e4066Sahrens (double)functime / NANOSEC, dli.dli_sname); 3780fa9e4066Sahrens } 3781fa9e4066Sahrens 3782fa9e4066Sahrens /* 3783fa9e4066Sahrens * If we're getting ENOSPC with some regularity, stop. 3784fa9e4066Sahrens */ 3785fa9e4066Sahrens if (zs->zs_enospc_count > 10) 3786fa9e4066Sahrens break; 3787fa9e4066Sahrens } 3788fa9e4066Sahrens 3789fa9e4066Sahrens return (NULL); 3790fa9e4066Sahrens } 3791fa9e4066Sahrens 3792fa9e4066Sahrens /* 3793fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 3794fa9e4066Sahrens */ 3795fa9e4066Sahrens static void 3796fa9e4066Sahrens ztest_run(char *pool) 3797fa9e4066Sahrens { 3798fa9e4066Sahrens int t, d, error; 3799fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 3800fa9e4066Sahrens ztest_args_t *za; 3801fa9e4066Sahrens spa_t *spa; 3802fa9e4066Sahrens char name[100]; 3803e14bb325SJeff Bonwick thread_t resume_tid; 3804e14bb325SJeff Bonwick 3805e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 3806fa9e4066Sahrens 3807fa9e4066Sahrens (void) _mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL); 3808fa9e4066Sahrens (void) rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL); 3809fa9e4066Sahrens 3810fa9e4066Sahrens for (t = 0; t < ZTEST_SYNC_LOCKS; t++) 3811fa9e4066Sahrens (void) _mutex_init(&zs->zs_sync_lock[t], USYNC_THREAD, NULL); 3812fa9e4066Sahrens 3813fa9e4066Sahrens /* 3814fa9e4066Sahrens * Destroy one disk before we even start. 3815fa9e4066Sahrens * It's mirrored, so everything should work just fine. 3816fa9e4066Sahrens * This makes us exercise fault handling very early in spa_load(). 3817fa9e4066Sahrens */ 3818fa9e4066Sahrens ztest_obliterate_one_disk(0); 3819fa9e4066Sahrens 3820fa9e4066Sahrens /* 3821fa9e4066Sahrens * Verify that the sum of the sizes of all blocks in the pool 3822fa9e4066Sahrens * equals the SPA's allocated space total. 3823fa9e4066Sahrens */ 3824fa9e4066Sahrens ztest_verify_blocks(pool); 3825fa9e4066Sahrens 3826fa9e4066Sahrens /* 3827fa9e4066Sahrens * Kick off a replacement of the disk we just obliterated. 3828fa9e4066Sahrens */ 3829fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3830e14bb325SJeff Bonwick VERIFY(spa_open(pool, &spa, FTAG) == 0); 3831fa9e4066Sahrens ztest_replace_one_disk(spa, 0); 3832fa9e4066Sahrens if (zopt_verbose >= 5) 3833fa9e4066Sahrens show_pool_stats(spa); 3834fa9e4066Sahrens spa_close(spa, FTAG); 3835fa9e4066Sahrens kernel_fini(); 3836fa9e4066Sahrens 3837fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3838fa9e4066Sahrens 3839fa9e4066Sahrens /* 3840fa9e4066Sahrens * Verify that we can export the pool and reimport it under a 3841fa9e4066Sahrens * different name. 3842fa9e4066Sahrens */ 38430e34b6a7Sbonwick if (ztest_random(2) == 0) { 38440e34b6a7Sbonwick (void) snprintf(name, 100, "%s_import", pool); 38450e34b6a7Sbonwick ztest_spa_import_export(pool, name); 38460e34b6a7Sbonwick ztest_spa_import_export(name, pool); 38470e34b6a7Sbonwick } 3848fa9e4066Sahrens 3849fa9e4066Sahrens /* 3850fa9e4066Sahrens * Verify that we can loop over all pools. 3851fa9e4066Sahrens */ 3852fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 3853fa9e4066Sahrens for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) { 3854fa9e4066Sahrens if (zopt_verbose > 3) { 3855fa9e4066Sahrens (void) printf("spa_next: found %s\n", spa_name(spa)); 3856fa9e4066Sahrens } 3857fa9e4066Sahrens } 3858fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 3859fa9e4066Sahrens 38600a4e9518Sgw /* 3861e14bb325SJeff Bonwick * Open our pool. 38620a4e9518Sgw */ 3863e14bb325SJeff Bonwick VERIFY(spa_open(pool, &spa, FTAG) == 0); 38640a4e9518Sgw 38658ad4d6ddSJeff Bonwick /* 38668ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 38678ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 38688ad4d6ddSJeff Bonwick * the only valid replica. 38698ad4d6ddSJeff Bonwick */ 38708ad4d6ddSJeff Bonwick if (zopt_maxfaults == 0) 38718ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 38728ad4d6ddSJeff Bonwick else 38738ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 38748ad4d6ddSJeff Bonwick 3875fa9e4066Sahrens /* 3876e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 3877fa9e4066Sahrens */ 38788ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 3879e14bb325SJeff Bonwick &resume_tid) == 0); 3880fa9e4066Sahrens 3881fa9e4066Sahrens /* 3882fa9e4066Sahrens * Verify that we can safely inquire about about any object, 3883fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 3884fa9e4066Sahrens * we probe a 5-wide window around each power of two. 3885fa9e4066Sahrens * This hits all edge cases, including zero and the max. 3886fa9e4066Sahrens */ 3887fa9e4066Sahrens for (t = 0; t < 64; t++) { 3888fa9e4066Sahrens for (d = -5; d <= 5; d++) { 3889fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 3890fa9e4066Sahrens (1ULL << t) + d, NULL); 3891ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 3892ea8dc4b6Seschrock error == EINVAL); 3893fa9e4066Sahrens } 3894fa9e4066Sahrens } 3895fa9e4066Sahrens 3896fa9e4066Sahrens /* 3897fa9e4066Sahrens * Now kick off all the tests that run in parallel. 3898fa9e4066Sahrens */ 3899fa9e4066Sahrens zs->zs_enospc_count = 0; 3900fa9e4066Sahrens 3901fa9e4066Sahrens za = umem_zalloc(zopt_threads * sizeof (ztest_args_t), UMEM_NOFAIL); 3902fa9e4066Sahrens 3903fa9e4066Sahrens if (zopt_verbose >= 4) 3904fa9e4066Sahrens (void) printf("starting main threads...\n"); 3905fa9e4066Sahrens 3906fa9e4066Sahrens za[0].za_start = gethrtime(); 3907fa9e4066Sahrens za[0].za_stop = za[0].za_start + zopt_passtime * NANOSEC; 3908fa9e4066Sahrens za[0].za_stop = MIN(za[0].za_stop, zs->zs_stop_time); 3909fa9e4066Sahrens za[0].za_kill = za[0].za_stop; 3910fa9e4066Sahrens if (ztest_random(100) < zopt_killrate) 3911fa9e4066Sahrens za[0].za_kill -= ztest_random(zopt_passtime * NANOSEC); 3912fa9e4066Sahrens 3913fa9e4066Sahrens for (t = 0; t < zopt_threads; t++) { 3914ecc2d604Sbonwick d = t % zopt_datasets; 3915e05725b1Sbonwick 3916e05725b1Sbonwick (void) strcpy(za[t].za_pool, pool); 3917e05725b1Sbonwick za[t].za_os = za[d].za_os; 3918e05725b1Sbonwick za[t].za_spa = spa; 3919e05725b1Sbonwick za[t].za_zilog = za[d].za_zilog; 3920e05725b1Sbonwick za[t].za_instance = t; 3921e05725b1Sbonwick za[t].za_random = ztest_random(-1ULL); 3922e05725b1Sbonwick za[t].za_start = za[0].za_start; 3923e05725b1Sbonwick za[t].za_stop = za[0].za_stop; 3924e05725b1Sbonwick za[t].za_kill = za[0].za_kill; 3925e05725b1Sbonwick 3926ecc2d604Sbonwick if (t < zopt_datasets) { 39274d31c452Smaybee int test_future = FALSE; 3928fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3929fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_%d", pool, pool, d); 3930ae46e4c7SMatthew Ahrens error = dmu_objset_create(name, DMU_OST_OTHER, 0, 3931fa9e4066Sahrens ztest_create_cb, NULL); 39324d31c452Smaybee if (error == EEXIST) { 39334d31c452Smaybee test_future = TRUE; 3934e05725b1Sbonwick } else if (error == ENOSPC) { 3935e05725b1Sbonwick zs->zs_enospc_count++; 3936e05725b1Sbonwick (void) rw_unlock(&ztest_shared->zs_name_lock); 3937e05725b1Sbonwick break; 39384d31c452Smaybee } else if (error != 0) { 3939fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", 3940fa9e4066Sahrens name, error); 3941fa9e4066Sahrens } 3942503ad85cSMatthew Ahrens error = dmu_objset_hold(name, FTAG, &za[d].za_os); 3943fa9e4066Sahrens if (error) 3944fa9e4066Sahrens fatal(0, "dmu_objset_open('%s') = %d", 3945fa9e4066Sahrens name, error); 3946fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3947e05725b1Sbonwick if (test_future) 3948e05725b1Sbonwick ztest_dmu_check_future_leak(&za[t]); 39491209a471SNeil Perrin zil_replay(za[d].za_os, za[d].za_os, 39501209a471SNeil Perrin ztest_replay_vector); 3951fa9e4066Sahrens za[d].za_zilog = zil_open(za[d].za_os, NULL); 3952fa9e4066Sahrens } 3953fa9e4066Sahrens 3954e14bb325SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, &za[t], THR_BOUND, 3955e14bb325SJeff Bonwick &za[t].za_thread) == 0); 3956fa9e4066Sahrens } 3957fa9e4066Sahrens 3958fa9e4066Sahrens while (--t >= 0) { 3959e14bb325SJeff Bonwick VERIFY(thr_join(za[t].za_thread, NULL, NULL) == 0); 3960ecc2d604Sbonwick if (t < zopt_datasets) { 3961fa9e4066Sahrens zil_close(za[t].za_zilog); 3962503ad85cSMatthew Ahrens dmu_objset_rele(za[t].za_os, FTAG); 3963fa9e4066Sahrens } 3964fa9e4066Sahrens } 3965fa9e4066Sahrens 3966fa9e4066Sahrens if (zopt_verbose >= 3) 3967fa9e4066Sahrens show_pool_stats(spa); 3968fa9e4066Sahrens 3969fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 3970fa9e4066Sahrens 3971fa9e4066Sahrens zs->zs_alloc = spa_get_alloc(spa); 3972fa9e4066Sahrens zs->zs_space = spa_get_space(spa); 3973fa9e4066Sahrens 3974fa9e4066Sahrens /* 3975e05725b1Sbonwick * If we had out-of-space errors, destroy a random objset. 3976fa9e4066Sahrens */ 3977fa9e4066Sahrens if (zs->zs_enospc_count != 0) { 3978fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3979e05725b1Sbonwick d = (int)ztest_random(zopt_datasets); 3980e05725b1Sbonwick (void) snprintf(name, 100, "%s/%s_%d", pool, pool, d); 3981fa9e4066Sahrens if (zopt_verbose >= 3) 3982fa9e4066Sahrens (void) printf("Destroying %s to free up space\n", name); 3983718d718aSGeorge Wilson 3984718d718aSGeorge Wilson /* Cleanup any non-standard clones and snapshots */ 3985718d718aSGeorge Wilson ztest_dsl_dataset_cleanup(name, za[d].za_instance); 3986718d718aSGeorge Wilson 3987e05725b1Sbonwick (void) dmu_objset_find(name, ztest_destroy_cb, &za[d], 39880b69c2f0Sahrens DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 3989fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3990fa9e4066Sahrens } 3991fa9e4066Sahrens 3992ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 3993fa9e4066Sahrens 3994e14bb325SJeff Bonwick umem_free(za, zopt_threads * sizeof (ztest_args_t)); 3995e14bb325SJeff Bonwick 3996e14bb325SJeff Bonwick /* Kill the resume thread */ 3997e14bb325SJeff Bonwick ztest_exiting = B_TRUE; 3998e14bb325SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 39998ad4d6ddSJeff Bonwick ztest_resume(spa); 4000e14bb325SJeff Bonwick 4001fa9e4066Sahrens /* 4002fa9e4066Sahrens * Right before closing the pool, kick off a bunch of async I/O; 4003fa9e4066Sahrens * spa_close() should wait for it to complete. 4004fa9e4066Sahrens */ 4005fa9e4066Sahrens for (t = 1; t < 50; t++) 4006fa9e4066Sahrens dmu_prefetch(spa->spa_meta_objset, t, 0, 1 << 15); 4007fa9e4066Sahrens 4008e05725b1Sbonwick spa_close(spa, FTAG); 4009e05725b1Sbonwick 4010fa9e4066Sahrens kernel_fini(); 4011fa9e4066Sahrens } 4012fa9e4066Sahrens 4013fa9e4066Sahrens void 4014fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 4015fa9e4066Sahrens { 4016fa9e4066Sahrens hrtime_t s = t / NANOSEC; 4017fa9e4066Sahrens hrtime_t m = s / 60; 4018fa9e4066Sahrens hrtime_t h = m / 60; 4019fa9e4066Sahrens hrtime_t d = h / 24; 4020fa9e4066Sahrens 4021fa9e4066Sahrens s -= m * 60; 4022fa9e4066Sahrens m -= h * 60; 4023fa9e4066Sahrens h -= d * 24; 4024fa9e4066Sahrens 4025fa9e4066Sahrens timebuf[0] = '\0'; 4026fa9e4066Sahrens 4027fa9e4066Sahrens if (d) 4028fa9e4066Sahrens (void) sprintf(timebuf, 4029fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 4030fa9e4066Sahrens else if (h) 4031fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 4032fa9e4066Sahrens else if (m) 4033fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 4034fa9e4066Sahrens else 4035fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 4036fa9e4066Sahrens } 4037fa9e4066Sahrens 4038fa9e4066Sahrens /* 4039fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 4040fa9e4066Sahrens * Then create the specified number of datasets in the pool. 4041fa9e4066Sahrens */ 4042fa9e4066Sahrens static void 4043fa9e4066Sahrens ztest_init(char *pool) 4044fa9e4066Sahrens { 4045fa9e4066Sahrens spa_t *spa; 4046fa9e4066Sahrens int error; 4047fa9e4066Sahrens nvlist_t *nvroot; 4048fa9e4066Sahrens 4049fa9e4066Sahrens kernel_init(FREAD | FWRITE); 4050fa9e4066Sahrens 4051fa9e4066Sahrens /* 4052fa9e4066Sahrens * Create the storage pool. 4053fa9e4066Sahrens */ 4054fa9e4066Sahrens (void) spa_destroy(pool); 4055*88ecc943SGeorge Wilson ztest_shared->zs_vdev_next_leaf = 0; 4056e14bb325SJeff Bonwick nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 4057e14bb325SJeff Bonwick 0, zopt_raidz, zopt_mirrors, 1); 40580a48a24eStimh error = spa_create(pool, nvroot, NULL, NULL, NULL); 4059fa9e4066Sahrens nvlist_free(nvroot); 4060fa9e4066Sahrens 4061fa9e4066Sahrens if (error) 4062fa9e4066Sahrens fatal(0, "spa_create() = %d", error); 4063fa9e4066Sahrens error = spa_open(pool, &spa, FTAG); 4064fa9e4066Sahrens if (error) 4065fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 4066fa9e4066Sahrens 4067d6e555bdSGeorge Wilson metaslab_sz = 1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift; 4068d6e555bdSGeorge Wilson 4069fa9e4066Sahrens if (zopt_verbose >= 3) 4070fa9e4066Sahrens show_pool_stats(spa); 4071fa9e4066Sahrens 4072fa9e4066Sahrens spa_close(spa, FTAG); 4073fa9e4066Sahrens 4074fa9e4066Sahrens kernel_fini(); 4075fa9e4066Sahrens } 4076fa9e4066Sahrens 4077fa9e4066Sahrens int 4078fa9e4066Sahrens main(int argc, char **argv) 4079fa9e4066Sahrens { 4080fa9e4066Sahrens int kills = 0; 4081fa9e4066Sahrens int iters = 0; 4082fa9e4066Sahrens int i, f; 4083fa9e4066Sahrens ztest_shared_t *zs; 4084fa9e4066Sahrens ztest_info_t *zi; 4085fa9e4066Sahrens char timebuf[100]; 4086fa9e4066Sahrens char numbuf[6]; 4087fa9e4066Sahrens 4088fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 4089fa9e4066Sahrens 4090fa9e4066Sahrens /* Override location of zpool.cache */ 4091c5904d13Seschrock spa_config_path = "/tmp/zpool.cache"; 4092fa9e4066Sahrens 4093fa9e4066Sahrens ztest_random_fd = open("/dev/urandom", O_RDONLY); 4094fa9e4066Sahrens 4095fa9e4066Sahrens process_options(argc, argv); 4096fa9e4066Sahrens 4097ea8dc4b6Seschrock /* 4098ea8dc4b6Seschrock * Blow away any existing copy of zpool.cache 4099ea8dc4b6Seschrock */ 4100ea8dc4b6Seschrock if (zopt_init != 0) 4101ea8dc4b6Seschrock (void) remove("/tmp/zpool.cache"); 4102ea8dc4b6Seschrock 4103fa9e4066Sahrens zs = ztest_shared = (void *)mmap(0, 4104fa9e4066Sahrens P2ROUNDUP(sizeof (ztest_shared_t), getpagesize()), 4105fa9e4066Sahrens PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); 4106fa9e4066Sahrens 4107fa9e4066Sahrens if (zopt_verbose >= 1) { 4108fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 4109fa9e4066Sahrens " %llu seconds...\n", 4110ecc2d604Sbonwick (u_longlong_t)zopt_vdevs, zopt_datasets, zopt_threads, 4111fa9e4066Sahrens (u_longlong_t)zopt_time); 4112fa9e4066Sahrens } 4113fa9e4066Sahrens 4114fa9e4066Sahrens /* 4115fa9e4066Sahrens * Create and initialize our storage pool. 4116fa9e4066Sahrens */ 4117fa9e4066Sahrens for (i = 1; i <= zopt_init; i++) { 4118fa9e4066Sahrens bzero(zs, sizeof (ztest_shared_t)); 4119fa9e4066Sahrens if (zopt_verbose >= 3 && zopt_init != 1) 4120fa9e4066Sahrens (void) printf("ztest_init(), pass %d\n", i); 4121fa9e4066Sahrens ztest_init(zopt_pool); 4122fa9e4066Sahrens } 4123fa9e4066Sahrens 4124fa9e4066Sahrens /* 4125fa9e4066Sahrens * Initialize the call targets for each function. 4126fa9e4066Sahrens */ 4127fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 4128fa9e4066Sahrens zi = &zs->zs_info[f]; 4129fa9e4066Sahrens 4130fa9e4066Sahrens *zi = ztest_info[f]; 4131fa9e4066Sahrens 4132fa9e4066Sahrens if (*zi->zi_interval == 0) 4133fa9e4066Sahrens zi->zi_call_target = UINT64_MAX; 4134fa9e4066Sahrens else 4135fa9e4066Sahrens zi->zi_call_target = zopt_time / *zi->zi_interval; 4136fa9e4066Sahrens } 4137fa9e4066Sahrens 4138fa9e4066Sahrens zs->zs_start_time = gethrtime(); 4139fa9e4066Sahrens zs->zs_stop_time = zs->zs_start_time + zopt_time * NANOSEC; 4140fa9e4066Sahrens 4141fa9e4066Sahrens /* 4142fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 4143fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 4144fa9e4066Sahrens * to verify that we never lose on-disk consistency. 4145fa9e4066Sahrens */ 4146fa9e4066Sahrens while (gethrtime() < zs->zs_stop_time) { 4147fa9e4066Sahrens int status; 4148fa9e4066Sahrens pid_t pid; 4149fa9e4066Sahrens char *tmp; 4150fa9e4066Sahrens 4151fa9e4066Sahrens /* 4152fa9e4066Sahrens * Initialize the workload counters for each function. 4153fa9e4066Sahrens */ 4154fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 4155fa9e4066Sahrens zi = &zs->zs_info[f]; 4156fa9e4066Sahrens zi->zi_calls = 0; 4157fa9e4066Sahrens zi->zi_call_time = 0; 4158fa9e4066Sahrens } 4159fa9e4066Sahrens 4160d6e555bdSGeorge Wilson /* Set the allocation switch size */ 4161d6e555bdSGeorge Wilson metaslab_df_alloc_threshold = ztest_random(metaslab_sz / 4) + 1; 4162d6e555bdSGeorge Wilson 4163fa9e4066Sahrens pid = fork(); 4164fa9e4066Sahrens 4165fa9e4066Sahrens if (pid == -1) 4166fa9e4066Sahrens fatal(1, "fork failed"); 4167fa9e4066Sahrens 4168fa9e4066Sahrens if (pid == 0) { /* child */ 4169fa9e4066Sahrens struct rlimit rl = { 1024, 1024 }; 4170fa9e4066Sahrens (void) setrlimit(RLIMIT_NOFILE, &rl); 4171004388ebScasper (void) enable_extended_FILE_stdio(-1, -1); 4172fa9e4066Sahrens ztest_run(zopt_pool); 4173fa9e4066Sahrens exit(0); 4174fa9e4066Sahrens } 4175fa9e4066Sahrens 41765ad82045Snd while (waitpid(pid, &status, 0) != pid) 4177fa9e4066Sahrens continue; 4178fa9e4066Sahrens 4179fa9e4066Sahrens if (WIFEXITED(status)) { 4180fa9e4066Sahrens if (WEXITSTATUS(status) != 0) { 4181fa9e4066Sahrens (void) fprintf(stderr, 4182fa9e4066Sahrens "child exited with code %d\n", 4183fa9e4066Sahrens WEXITSTATUS(status)); 4184fa9e4066Sahrens exit(2); 4185fa9e4066Sahrens } 41865ad82045Snd } else if (WIFSIGNALED(status)) { 4187fa9e4066Sahrens if (WTERMSIG(status) != SIGKILL) { 4188fa9e4066Sahrens (void) fprintf(stderr, 4189fa9e4066Sahrens "child died with signal %d\n", 4190fa9e4066Sahrens WTERMSIG(status)); 4191fa9e4066Sahrens exit(3); 4192fa9e4066Sahrens } 4193fa9e4066Sahrens kills++; 41945ad82045Snd } else { 41955ad82045Snd (void) fprintf(stderr, "something strange happened " 41965ad82045Snd "to child\n"); 41975ad82045Snd exit(4); 4198fa9e4066Sahrens } 4199fa9e4066Sahrens 4200fa9e4066Sahrens iters++; 4201fa9e4066Sahrens 4202fa9e4066Sahrens if (zopt_verbose >= 1) { 4203fa9e4066Sahrens hrtime_t now = gethrtime(); 4204fa9e4066Sahrens 4205fa9e4066Sahrens now = MIN(now, zs->zs_stop_time); 4206fa9e4066Sahrens print_time(zs->zs_stop_time - now, timebuf); 4207fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 4208fa9e4066Sahrens 4209fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 4210fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 4211fa9e4066Sahrens iters, 4212fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 4213fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 4214fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 4215fa9e4066Sahrens numbuf, 4216fa9e4066Sahrens 100.0 * (now - zs->zs_start_time) / 4217fa9e4066Sahrens (zopt_time * NANOSEC), timebuf); 4218fa9e4066Sahrens } 4219fa9e4066Sahrens 4220fa9e4066Sahrens if (zopt_verbose >= 2) { 4221fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 4222fa9e4066Sahrens (void) printf("%7s %9s %s\n", 4223fa9e4066Sahrens "Calls", "Time", "Function"); 4224fa9e4066Sahrens (void) printf("%7s %9s %s\n", 4225fa9e4066Sahrens "-----", "----", "--------"); 4226fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 4227fa9e4066Sahrens Dl_info dli; 4228fa9e4066Sahrens 4229fa9e4066Sahrens zi = &zs->zs_info[f]; 4230fa9e4066Sahrens print_time(zi->zi_call_time, timebuf); 4231fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 4232fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 4233fa9e4066Sahrens (u_longlong_t)zi->zi_calls, timebuf, 4234fa9e4066Sahrens dli.dli_sname); 4235fa9e4066Sahrens } 4236fa9e4066Sahrens (void) printf("\n"); 4237fa9e4066Sahrens } 4238fa9e4066Sahrens 4239fa9e4066Sahrens /* 4240fa9e4066Sahrens * It's possible that we killed a child during a rename test, in 4241fa9e4066Sahrens * which case we'll have a 'ztest_tmp' pool lying around instead 4242fa9e4066Sahrens * of 'ztest'. Do a blind rename in case this happened. 4243fa9e4066Sahrens */ 4244fa9e4066Sahrens tmp = umem_alloc(strlen(zopt_pool) + 5, UMEM_NOFAIL); 4245fa9e4066Sahrens (void) strcpy(tmp, zopt_pool); 4246fa9e4066Sahrens (void) strcat(tmp, "_tmp"); 4247fa9e4066Sahrens kernel_init(FREAD | FWRITE); 4248fa9e4066Sahrens (void) spa_rename(tmp, zopt_pool); 4249fa9e4066Sahrens kernel_fini(); 4250fa9e4066Sahrens umem_free(tmp, strlen(tmp) + 1); 4251fa9e4066Sahrens } 4252fa9e4066Sahrens 4253fa9e4066Sahrens ztest_verify_blocks(zopt_pool); 4254fa9e4066Sahrens 4255fa9e4066Sahrens if (zopt_verbose >= 1) { 4256fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 4257fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 4258fa9e4066Sahrens } 4259fa9e4066Sahrens 4260fa9e4066Sahrens return (0); 4261fa9e4066Sahrens } 4262