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> 95fa9e4066Sahrens #include <sys/dsl_prop.h> 964f5064b7SMark J Musante #include <sys/dsl_dataset.h> 97fa9e4066Sahrens #include <sys/refcount.h> 98fa9e4066Sahrens #include <stdio.h> 99004388ebScasper #include <stdio_ext.h> 100fa9e4066Sahrens #include <stdlib.h> 101fa9e4066Sahrens #include <unistd.h> 102fa9e4066Sahrens #include <signal.h> 103fa9e4066Sahrens #include <umem.h> 104fa9e4066Sahrens #include <dlfcn.h> 105fa9e4066Sahrens #include <ctype.h> 106fa9e4066Sahrens #include <math.h> 107fa9e4066Sahrens #include <sys/fs/zfs.h> 108fa9e4066Sahrens 109fa9e4066Sahrens static char cmdname[] = "ztest"; 110fa9e4066Sahrens static char *zopt_pool = cmdname; 111fa9e4066Sahrens 112fa9e4066Sahrens static uint64_t zopt_vdevs = 5; 113fa9e4066Sahrens static uint64_t zopt_vdevtime; 114ecc2d604Sbonwick static int zopt_ashift = SPA_MINBLOCKSHIFT; 115fa9e4066Sahrens static int zopt_mirrors = 2; 116fa9e4066Sahrens static int zopt_raidz = 4; 11799653d4eSeschrock static int zopt_raidz_parity = 1; 118fa9e4066Sahrens static size_t zopt_vdev_size = SPA_MINDEVSIZE; 119ecc2d604Sbonwick static int zopt_datasets = 7; 120fa9e4066Sahrens static int zopt_threads = 23; 121fa9e4066Sahrens static uint64_t zopt_passtime = 60; /* 60 seconds */ 122fa9e4066Sahrens static uint64_t zopt_killrate = 70; /* 70% kill rate */ 123fa9e4066Sahrens static int zopt_verbose = 0; 124fa9e4066Sahrens static int zopt_init = 1; 125fa9e4066Sahrens static char *zopt_dir = "/tmp"; 126fa9e4066Sahrens static uint64_t zopt_time = 300; /* 5 minutes */ 127fa9e4066Sahrens static int zopt_maxfaults; 128fa9e4066Sahrens 129e05725b1Sbonwick typedef struct ztest_block_tag { 130e05725b1Sbonwick uint64_t bt_objset; 131e05725b1Sbonwick uint64_t bt_object; 132e05725b1Sbonwick uint64_t bt_offset; 133e05725b1Sbonwick uint64_t bt_txg; 134e05725b1Sbonwick uint64_t bt_thread; 135e05725b1Sbonwick uint64_t bt_seq; 136e05725b1Sbonwick } ztest_block_tag_t; 137e05725b1Sbonwick 138fa9e4066Sahrens typedef struct ztest_args { 139e05725b1Sbonwick char za_pool[MAXNAMELEN]; 140e05725b1Sbonwick spa_t *za_spa; 141fa9e4066Sahrens objset_t *za_os; 142fa9e4066Sahrens zilog_t *za_zilog; 143fa9e4066Sahrens thread_t za_thread; 144fa9e4066Sahrens uint64_t za_instance; 145fa9e4066Sahrens uint64_t za_random; 146fa9e4066Sahrens uint64_t za_diroff; 147fa9e4066Sahrens uint64_t za_diroff_shared; 148ea8dc4b6Seschrock uint64_t za_zil_seq; 149fa9e4066Sahrens hrtime_t za_start; 150fa9e4066Sahrens hrtime_t za_stop; 151fa9e4066Sahrens hrtime_t za_kill; 152e05725b1Sbonwick /* 153e05725b1Sbonwick * Thread-local variables can go here to aid debugging. 154e05725b1Sbonwick */ 155e05725b1Sbonwick ztest_block_tag_t za_rbt; 156e05725b1Sbonwick ztest_block_tag_t za_wbt; 157e05725b1Sbonwick dmu_object_info_t za_doi; 158e05725b1Sbonwick dmu_buf_t *za_dbuf; 159fa9e4066Sahrens } ztest_args_t; 160fa9e4066Sahrens 161fa9e4066Sahrens typedef void ztest_func_t(ztest_args_t *); 162fa9e4066Sahrens 163fa9e4066Sahrens /* 164fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 165fa9e4066Sahrens */ 166fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 1672fdbea25SAleksandr Guzovskiy ztest_func_t ztest_dmu_read_write_zcopy; 168fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 169fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 170fa9e4066Sahrens ztest_func_t ztest_zap; 171fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 172fa9e4066Sahrens ztest_func_t ztest_traverse; 173fa9e4066Sahrens ztest_func_t ztest_dsl_prop_get_set; 174fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 175fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 1764f5064b7SMark J Musante ztest_func_t ztest_dsl_dataset_promote_busy; 177fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 178fa9e4066Sahrens ztest_func_t ztest_fault_inject; 179e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 180fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 181fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 182fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 183e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 184fa9e4066Sahrens ztest_func_t ztest_scrub; 185fa9e4066Sahrens 186fa9e4066Sahrens typedef struct ztest_info { 187fa9e4066Sahrens ztest_func_t *zi_func; /* test function */ 188e05725b1Sbonwick uint64_t zi_iters; /* iterations per execution */ 189fa9e4066Sahrens uint64_t *zi_interval; /* execute every <interval> seconds */ 190fa9e4066Sahrens uint64_t zi_calls; /* per-pass count */ 191fa9e4066Sahrens uint64_t zi_call_time; /* per-pass time */ 192fa9e4066Sahrens uint64_t zi_call_total; /* cumulative total */ 193fa9e4066Sahrens uint64_t zi_call_target; /* target cumulative total */ 194fa9e4066Sahrens } ztest_info_t; 195fa9e4066Sahrens 196fa9e4066Sahrens uint64_t zopt_always = 0; /* all the time */ 197fa9e4066Sahrens uint64_t zopt_often = 1; /* every second */ 198fa9e4066Sahrens uint64_t zopt_sometimes = 10; /* every 10 seconds */ 199fa9e4066Sahrens uint64_t zopt_rarely = 60; /* every 60 seconds */ 200fa9e4066Sahrens 201fa9e4066Sahrens ztest_info_t ztest_info[] = { 202e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 2032fdbea25SAleksandr Guzovskiy { ztest_dmu_read_write_zcopy, 1, &zopt_always }, 204e05725b1Sbonwick { ztest_dmu_write_parallel, 30, &zopt_always }, 205e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 206e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 207e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 208e05725b1Sbonwick { ztest_dsl_prop_get_set, 1, &zopt_sometimes }, 209088f3894Sahrens { ztest_dmu_objset_create_destroy, 1, &zopt_sometimes }, 210e14bb325SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 211088f3894Sahrens { ztest_spa_create_destroy, 1, &zopt_sometimes }, 212e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 213e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 214e14bb325SJeff Bonwick { ztest_vdev_attach_detach, 1, &zopt_rarely }, 215e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 216b2d22b66SGeorge Wilson { ztest_dsl_dataset_promote_busy, 1, &zopt_rarely }, 217e14bb325SJeff Bonwick { ztest_vdev_add_remove, 1, &zopt_vdevtime }, 218e14bb325SJeff Bonwick { ztest_vdev_aux_add_remove, 1, &zopt_vdevtime }, 219e05725b1Sbonwick { ztest_scrub, 1, &zopt_vdevtime }, 220fa9e4066Sahrens }; 221fa9e4066Sahrens 222fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 223fa9e4066Sahrens 224fa9e4066Sahrens #define ZTEST_SYNC_LOCKS 16 225fa9e4066Sahrens 226fa9e4066Sahrens /* 227fa9e4066Sahrens * Stuff we need to share writably between parent and child. 228fa9e4066Sahrens */ 229fa9e4066Sahrens typedef struct ztest_shared { 230fa9e4066Sahrens mutex_t zs_vdev_lock; 231fa9e4066Sahrens rwlock_t zs_name_lock; 232fa9e4066Sahrens uint64_t zs_vdev_primaries; 233e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 234fa9e4066Sahrens uint64_t zs_enospc_count; 235fa9e4066Sahrens hrtime_t zs_start_time; 236fa9e4066Sahrens hrtime_t zs_stop_time; 237fa9e4066Sahrens uint64_t zs_alloc; 238fa9e4066Sahrens uint64_t zs_space; 239fa9e4066Sahrens ztest_info_t zs_info[ZTEST_FUNCS]; 240fa9e4066Sahrens mutex_t zs_sync_lock[ZTEST_SYNC_LOCKS]; 241fa9e4066Sahrens uint64_t zs_seq[ZTEST_SYNC_LOCKS]; 242fa9e4066Sahrens } ztest_shared_t; 243fa9e4066Sahrens 244fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 245e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 246fa9e4066Sahrens static ztest_shared_t *ztest_shared; 247fa9e4066Sahrens 248fa9e4066Sahrens static int ztest_random_fd; 249fa9e4066Sahrens static int ztest_dump_core = 1; 250fa9e4066Sahrens 251d6e555bdSGeorge Wilson static uint64_t metaslab_sz; 252e14bb325SJeff Bonwick static boolean_t ztest_exiting; 2530a4e9518Sgw 254e05725b1Sbonwick extern uint64_t metaslab_gang_bang; 255d6e555bdSGeorge Wilson extern uint64_t metaslab_df_alloc_threshold; 256fa9e4066Sahrens 257fa9e4066Sahrens #define ZTEST_DIROBJ 1 258fa9e4066Sahrens #define ZTEST_MICROZAP_OBJ 2 259fa9e4066Sahrens #define ZTEST_FATZAP_OBJ 3 260fa9e4066Sahrens 261fa9e4066Sahrens #define ZTEST_DIROBJ_BLOCKSIZE (1 << 10) 262fa9e4066Sahrens #define ZTEST_DIRSIZE 256 263fa9e4066Sahrens 2641ce825d8Sraf static void usage(boolean_t) __NORETURN; 265f1b4288bSvb 266fa9e4066Sahrens /* 267fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 268fa9e4066Sahrens * debugging facilities. 269fa9e4066Sahrens */ 270fa9e4066Sahrens const char * 271fa9e4066Sahrens _umem_debug_init() 272fa9e4066Sahrens { 273fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 274fa9e4066Sahrens } 275fa9e4066Sahrens 276fa9e4066Sahrens const char * 277fa9e4066Sahrens _umem_logging_init(void) 278fa9e4066Sahrens { 279fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 280fa9e4066Sahrens } 281fa9e4066Sahrens 282fa9e4066Sahrens #define FATAL_MSG_SZ 1024 283fa9e4066Sahrens 284fa9e4066Sahrens char *fatal_msg; 285fa9e4066Sahrens 286fa9e4066Sahrens static void 287fa9e4066Sahrens fatal(int do_perror, char *message, ...) 288fa9e4066Sahrens { 289fa9e4066Sahrens va_list args; 290fa9e4066Sahrens int save_errno = errno; 291fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 292fa9e4066Sahrens 293fa9e4066Sahrens (void) fflush(stdout); 294fa9e4066Sahrens 295fa9e4066Sahrens va_start(args, message); 296fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 297fa9e4066Sahrens /* LINTED */ 298fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 299fa9e4066Sahrens va_end(args); 300fa9e4066Sahrens if (do_perror) { 301fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 302fa9e4066Sahrens ": %s", strerror(save_errno)); 303fa9e4066Sahrens } 304fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 305fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 306fa9e4066Sahrens if (ztest_dump_core) 307fa9e4066Sahrens abort(); 308fa9e4066Sahrens exit(3); 309fa9e4066Sahrens } 310fa9e4066Sahrens 311fa9e4066Sahrens static int 312fa9e4066Sahrens str2shift(const char *buf) 313fa9e4066Sahrens { 314fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 315fa9e4066Sahrens int i; 316fa9e4066Sahrens 317fa9e4066Sahrens if (buf[0] == '\0') 318fa9e4066Sahrens return (0); 319fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 320fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 321fa9e4066Sahrens break; 322fa9e4066Sahrens } 323f1b4288bSvb if (i == strlen(ends)) { 324f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 325f1b4288bSvb buf); 326f1b4288bSvb usage(B_FALSE); 327f1b4288bSvb } 328fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 329fa9e4066Sahrens return (10*i); 330fa9e4066Sahrens } 331f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 332f1b4288bSvb usage(B_FALSE); 333f1b4288bSvb /* NOTREACHED */ 334fa9e4066Sahrens } 335fa9e4066Sahrens 336fa9e4066Sahrens static uint64_t 337fa9e4066Sahrens nicenumtoull(const char *buf) 338fa9e4066Sahrens { 339fa9e4066Sahrens char *end; 340fa9e4066Sahrens uint64_t val; 341fa9e4066Sahrens 342fa9e4066Sahrens val = strtoull(buf, &end, 0); 343fa9e4066Sahrens if (end == buf) { 344f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 345f1b4288bSvb usage(B_FALSE); 346fa9e4066Sahrens } else if (end[0] == '.') { 347fa9e4066Sahrens double fval = strtod(buf, &end); 348fa9e4066Sahrens fval *= pow(2, str2shift(end)); 349f1b4288bSvb if (fval > UINT64_MAX) { 350f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 351f1b4288bSvb buf); 352f1b4288bSvb usage(B_FALSE); 353f1b4288bSvb } 354fa9e4066Sahrens val = (uint64_t)fval; 355fa9e4066Sahrens } else { 356fa9e4066Sahrens int shift = str2shift(end); 357f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 358f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 359f1b4288bSvb buf); 360f1b4288bSvb usage(B_FALSE); 361f1b4288bSvb } 362fa9e4066Sahrens val <<= shift; 363fa9e4066Sahrens } 364fa9e4066Sahrens return (val); 365fa9e4066Sahrens } 366fa9e4066Sahrens 367fa9e4066Sahrens static void 368f1b4288bSvb usage(boolean_t requested) 369fa9e4066Sahrens { 370fa9e4066Sahrens char nice_vdev_size[10]; 371fa9e4066Sahrens char nice_gang_bang[10]; 372f1b4288bSvb FILE *fp = requested ? stdout : stderr; 373fa9e4066Sahrens 374fa9e4066Sahrens nicenum(zopt_vdev_size, nice_vdev_size); 375e05725b1Sbonwick nicenum(metaslab_gang_bang, nice_gang_bang); 376fa9e4066Sahrens 377f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 378fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 379fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 380ecc2d604Sbonwick "\t[-a alignment_shift (default: %d) (use 0 for random)]\n" 381fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 382fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 38399653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 384fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 385fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 386fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 387fa9e4066Sahrens "\t[-i initialize pool i times (default: %d)]\n" 388fa9e4066Sahrens "\t[-k kill percentage (default: %llu%%)]\n" 389fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 390fa9e4066Sahrens "\t[-f file directory for vdev files (default: %s)]\n" 391fa9e4066Sahrens "\t[-V(erbose)] (use multiple times for ever more blather)\n" 392ecc2d604Sbonwick "\t[-E(xisting)] (use existing pool instead of creating new one)\n" 393fa9e4066Sahrens "\t[-T time] total run time (default: %llu sec)\n" 394fa9e4066Sahrens "\t[-P passtime] time per pass (default: %llu sec)\n" 395f1b4288bSvb "\t[-h] (print help)\n" 396fa9e4066Sahrens "", 397fa9e4066Sahrens cmdname, 3980a4e9518Sgw (u_longlong_t)zopt_vdevs, /* -v */ 3990a4e9518Sgw nice_vdev_size, /* -s */ 4000a4e9518Sgw zopt_ashift, /* -a */ 4010a4e9518Sgw zopt_mirrors, /* -m */ 4020a4e9518Sgw zopt_raidz, /* -r */ 4030a4e9518Sgw zopt_raidz_parity, /* -R */ 4040a4e9518Sgw zopt_datasets, /* -d */ 4050a4e9518Sgw zopt_threads, /* -t */ 4060a4e9518Sgw nice_gang_bang, /* -g */ 4070a4e9518Sgw zopt_init, /* -i */ 4080a4e9518Sgw (u_longlong_t)zopt_killrate, /* -k */ 4090a4e9518Sgw zopt_pool, /* -p */ 4100a4e9518Sgw zopt_dir, /* -f */ 4110a4e9518Sgw (u_longlong_t)zopt_time, /* -T */ 412e14bb325SJeff Bonwick (u_longlong_t)zopt_passtime); /* -P */ 413f1b4288bSvb exit(requested ? 0 : 1); 414fa9e4066Sahrens } 415fa9e4066Sahrens 416fa9e4066Sahrens static uint64_t 417fa9e4066Sahrens ztest_random(uint64_t range) 418fa9e4066Sahrens { 419fa9e4066Sahrens uint64_t r; 420fa9e4066Sahrens 421fa9e4066Sahrens if (range == 0) 422fa9e4066Sahrens return (0); 423fa9e4066Sahrens 424fa9e4066Sahrens if (read(ztest_random_fd, &r, sizeof (r)) != sizeof (r)) 425fa9e4066Sahrens fatal(1, "short read from /dev/urandom"); 426fa9e4066Sahrens 427fa9e4066Sahrens return (r % range); 428fa9e4066Sahrens } 429fa9e4066Sahrens 4308ad4d6ddSJeff Bonwick /* ARGSUSED */ 431fa9e4066Sahrens static void 432fa9e4066Sahrens ztest_record_enospc(char *s) 433fa9e4066Sahrens { 434fa9e4066Sahrens ztest_shared->zs_enospc_count++; 435fa9e4066Sahrens } 436fa9e4066Sahrens 437fa9e4066Sahrens static void 438fa9e4066Sahrens process_options(int argc, char **argv) 439fa9e4066Sahrens { 440fa9e4066Sahrens int opt; 441fa9e4066Sahrens uint64_t value; 442fa9e4066Sahrens 443fa9e4066Sahrens /* By default, test gang blocks for blocks 32K and greater */ 444e05725b1Sbonwick metaslab_gang_bang = 32 << 10; 445fa9e4066Sahrens 446fa9e4066Sahrens while ((opt = getopt(argc, argv, 447e14bb325SJeff Bonwick "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:h")) != EOF) { 448fa9e4066Sahrens value = 0; 449fa9e4066Sahrens switch (opt) { 4503d7072f8Seschrock case 'v': 4513d7072f8Seschrock case 's': 4523d7072f8Seschrock case 'a': 4533d7072f8Seschrock case 'm': 4543d7072f8Seschrock case 'r': 4553d7072f8Seschrock case 'R': 4563d7072f8Seschrock case 'd': 4573d7072f8Seschrock case 't': 4583d7072f8Seschrock case 'g': 4593d7072f8Seschrock case 'i': 4603d7072f8Seschrock case 'k': 4613d7072f8Seschrock case 'T': 4623d7072f8Seschrock case 'P': 463fa9e4066Sahrens value = nicenumtoull(optarg); 464fa9e4066Sahrens } 465fa9e4066Sahrens switch (opt) { 4663d7072f8Seschrock case 'v': 467fa9e4066Sahrens zopt_vdevs = value; 468fa9e4066Sahrens break; 4693d7072f8Seschrock case 's': 470fa9e4066Sahrens zopt_vdev_size = MAX(SPA_MINDEVSIZE, value); 471fa9e4066Sahrens break; 4723d7072f8Seschrock case 'a': 473ecc2d604Sbonwick zopt_ashift = value; 474ecc2d604Sbonwick break; 4753d7072f8Seschrock case 'm': 476fa9e4066Sahrens zopt_mirrors = value; 477fa9e4066Sahrens break; 4783d7072f8Seschrock case 'r': 479fa9e4066Sahrens zopt_raidz = MAX(1, value); 480fa9e4066Sahrens break; 4813d7072f8Seschrock case 'R': 48299653d4eSeschrock zopt_raidz_parity = MIN(MAX(value, 1), 2); 48399653d4eSeschrock break; 4843d7072f8Seschrock case 'd': 485ecc2d604Sbonwick zopt_datasets = MAX(1, value); 486fa9e4066Sahrens break; 4873d7072f8Seschrock case 't': 488fa9e4066Sahrens zopt_threads = MAX(1, value); 489fa9e4066Sahrens break; 4903d7072f8Seschrock case 'g': 491e05725b1Sbonwick metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, value); 492fa9e4066Sahrens break; 4933d7072f8Seschrock case 'i': 494fa9e4066Sahrens zopt_init = value; 495fa9e4066Sahrens break; 4963d7072f8Seschrock case 'k': 497fa9e4066Sahrens zopt_killrate = value; 498fa9e4066Sahrens break; 4993d7072f8Seschrock case 'p': 500fa9e4066Sahrens zopt_pool = strdup(optarg); 501fa9e4066Sahrens break; 5023d7072f8Seschrock case 'f': 503fa9e4066Sahrens zopt_dir = strdup(optarg); 504fa9e4066Sahrens break; 5053d7072f8Seschrock case 'V': 506fa9e4066Sahrens zopt_verbose++; 507fa9e4066Sahrens break; 5083d7072f8Seschrock case 'E': 509fa9e4066Sahrens zopt_init = 0; 510fa9e4066Sahrens break; 5113d7072f8Seschrock case 'T': 512fa9e4066Sahrens zopt_time = value; 513fa9e4066Sahrens break; 5143d7072f8Seschrock case 'P': 515fa9e4066Sahrens zopt_passtime = MAX(1, value); 516fa9e4066Sahrens break; 5173d7072f8Seschrock case 'h': 518f1b4288bSvb usage(B_TRUE); 519f1b4288bSvb break; 5203d7072f8Seschrock case '?': 5213d7072f8Seschrock default: 522f1b4288bSvb usage(B_FALSE); 523fa9e4066Sahrens break; 524fa9e4066Sahrens } 525fa9e4066Sahrens } 526fa9e4066Sahrens 52799653d4eSeschrock zopt_raidz_parity = MIN(zopt_raidz_parity, zopt_raidz - 1); 52899653d4eSeschrock 529fa9e4066Sahrens zopt_vdevtime = (zopt_vdevs > 0 ? zopt_time / zopt_vdevs : UINT64_MAX); 53099653d4eSeschrock zopt_maxfaults = MAX(zopt_mirrors, 1) * (zopt_raidz_parity + 1) - 1; 531fa9e4066Sahrens } 532fa9e4066Sahrens 533ecc2d604Sbonwick static uint64_t 534ecc2d604Sbonwick ztest_get_ashift(void) 535ecc2d604Sbonwick { 536ecc2d604Sbonwick if (zopt_ashift == 0) 537ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 538ecc2d604Sbonwick return (zopt_ashift); 539ecc2d604Sbonwick } 540ecc2d604Sbonwick 541fa9e4066Sahrens static nvlist_t * 542e14bb325SJeff Bonwick make_vdev_file(char *path, char *aux, size_t size, uint64_t ashift) 543fa9e4066Sahrens { 544e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 545fa9e4066Sahrens uint64_t vdev; 546fa9e4066Sahrens nvlist_t *file; 547fa9e4066Sahrens 548e14bb325SJeff Bonwick if (ashift == 0) 549e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 550e14bb325SJeff Bonwick 551e14bb325SJeff Bonwick if (path == NULL) { 552e14bb325SJeff Bonwick path = pathbuf; 553fa9e4066Sahrens 554e14bb325SJeff Bonwick if (aux != NULL) { 555e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 556e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, 557e14bb325SJeff Bonwick zopt_dir, zopt_pool, aux, vdev); 558e14bb325SJeff Bonwick } else { 559e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_primaries++; 560e14bb325SJeff Bonwick (void) sprintf(path, ztest_dev_template, 561e14bb325SJeff Bonwick zopt_dir, zopt_pool, vdev); 562e14bb325SJeff Bonwick } 563e14bb325SJeff Bonwick } 564e14bb325SJeff Bonwick 565e14bb325SJeff Bonwick if (size != 0) { 566e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 567fa9e4066Sahrens if (fd == -1) 568e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 569fa9e4066Sahrens if (ftruncate(fd, size) != 0) 570e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 571fa9e4066Sahrens (void) close(fd); 572fa9e4066Sahrens } 573fa9e4066Sahrens 574fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 575fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 576e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 577ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 578fa9e4066Sahrens 579fa9e4066Sahrens return (file); 580fa9e4066Sahrens } 581fa9e4066Sahrens 582fa9e4066Sahrens static nvlist_t * 583e14bb325SJeff Bonwick make_vdev_raidz(char *path, char *aux, size_t size, uint64_t ashift, int r) 584fa9e4066Sahrens { 585fa9e4066Sahrens nvlist_t *raidz, **child; 586fa9e4066Sahrens int c; 587fa9e4066Sahrens 588fa9e4066Sahrens if (r < 2) 589e14bb325SJeff Bonwick return (make_vdev_file(path, aux, size, ashift)); 590fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 591fa9e4066Sahrens 592fa9e4066Sahrens for (c = 0; c < r; c++) 593e14bb325SJeff Bonwick child[c] = make_vdev_file(path, aux, size, ashift); 594fa9e4066Sahrens 595fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 596fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 597fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 59899653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 59999653d4eSeschrock zopt_raidz_parity) == 0); 600fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 601fa9e4066Sahrens child, r) == 0); 602fa9e4066Sahrens 603fa9e4066Sahrens for (c = 0; c < r; c++) 604fa9e4066Sahrens nvlist_free(child[c]); 605fa9e4066Sahrens 606fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 607fa9e4066Sahrens 608fa9e4066Sahrens return (raidz); 609fa9e4066Sahrens } 610fa9e4066Sahrens 611fa9e4066Sahrens static nvlist_t * 612e14bb325SJeff Bonwick make_vdev_mirror(char *path, char *aux, size_t size, uint64_t ashift, 61331157203SJeff Bonwick int r, int m) 614fa9e4066Sahrens { 615fa9e4066Sahrens nvlist_t *mirror, **child; 616fa9e4066Sahrens int c; 617fa9e4066Sahrens 618fa9e4066Sahrens if (m < 1) 619e14bb325SJeff Bonwick return (make_vdev_raidz(path, aux, size, ashift, r)); 620fa9e4066Sahrens 621fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 622fa9e4066Sahrens 623fa9e4066Sahrens for (c = 0; c < m; c++) 624e14bb325SJeff Bonwick child[c] = make_vdev_raidz(path, aux, size, ashift, r); 625fa9e4066Sahrens 626fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 627fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 628fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 629fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 630fa9e4066Sahrens child, m) == 0); 631fa9e4066Sahrens 632fa9e4066Sahrens for (c = 0; c < m; c++) 633fa9e4066Sahrens nvlist_free(child[c]); 634fa9e4066Sahrens 635fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 636fa9e4066Sahrens 637fa9e4066Sahrens return (mirror); 638fa9e4066Sahrens } 639fa9e4066Sahrens 640fa9e4066Sahrens static nvlist_t * 641e14bb325SJeff Bonwick make_vdev_root(char *path, char *aux, size_t size, uint64_t ashift, 642e14bb325SJeff Bonwick int log, int r, int m, int t) 643fa9e4066Sahrens { 644fa9e4066Sahrens nvlist_t *root, **child; 645fa9e4066Sahrens int c; 646fa9e4066Sahrens 647fa9e4066Sahrens ASSERT(t > 0); 648fa9e4066Sahrens 649fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 650fa9e4066Sahrens 65131157203SJeff Bonwick for (c = 0; c < t; c++) { 65231157203SJeff Bonwick child[c] = make_vdev_mirror(path, aux, size, ashift, r, m); 65331157203SJeff Bonwick VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 65431157203SJeff Bonwick log) == 0); 65531157203SJeff Bonwick } 656fa9e4066Sahrens 657fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 658fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 659e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 660fa9e4066Sahrens child, t) == 0); 661fa9e4066Sahrens 662fa9e4066Sahrens for (c = 0; c < t; c++) 663fa9e4066Sahrens nvlist_free(child[c]); 664fa9e4066Sahrens 665fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 666fa9e4066Sahrens 667fa9e4066Sahrens return (root); 668fa9e4066Sahrens } 669fa9e4066Sahrens 670fa9e4066Sahrens static void 671fa9e4066Sahrens ztest_set_random_blocksize(objset_t *os, uint64_t object, dmu_tx_t *tx) 672fa9e4066Sahrens { 673fa9e4066Sahrens int bs = SPA_MINBLOCKSHIFT + 674fa9e4066Sahrens ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1); 675fa9e4066Sahrens int ibs = DN_MIN_INDBLKSHIFT + 676fa9e4066Sahrens ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1); 677fa9e4066Sahrens int error; 678fa9e4066Sahrens 679fa9e4066Sahrens error = dmu_object_set_blocksize(os, object, 1ULL << bs, ibs, tx); 680fa9e4066Sahrens if (error) { 681fa9e4066Sahrens char osname[300]; 682fa9e4066Sahrens dmu_objset_name(os, osname); 683fa9e4066Sahrens fatal(0, "dmu_object_set_blocksize('%s', %llu, %d, %d) = %d", 684fa9e4066Sahrens osname, object, 1 << bs, ibs, error); 685fa9e4066Sahrens } 686fa9e4066Sahrens } 687fa9e4066Sahrens 688fa9e4066Sahrens static uint8_t 689fa9e4066Sahrens ztest_random_checksum(void) 690fa9e4066Sahrens { 691fa9e4066Sahrens uint8_t checksum; 692fa9e4066Sahrens 693fa9e4066Sahrens do { 694fa9e4066Sahrens checksum = ztest_random(ZIO_CHECKSUM_FUNCTIONS); 695fa9e4066Sahrens } while (zio_checksum_table[checksum].ci_zbt); 696fa9e4066Sahrens 697fa9e4066Sahrens if (checksum == ZIO_CHECKSUM_OFF) 698fa9e4066Sahrens checksum = ZIO_CHECKSUM_ON; 699fa9e4066Sahrens 700fa9e4066Sahrens return (checksum); 701fa9e4066Sahrens } 702fa9e4066Sahrens 703fa9e4066Sahrens static uint8_t 704fa9e4066Sahrens ztest_random_compress(void) 705fa9e4066Sahrens { 706fa9e4066Sahrens return ((uint8_t)ztest_random(ZIO_COMPRESS_FUNCTIONS)); 707fa9e4066Sahrens } 708fa9e4066Sahrens 709fa9e4066Sahrens static int 7101209a471SNeil Perrin ztest_replay_create(objset_t *os, lr_create_t *lr, boolean_t byteswap) 711fa9e4066Sahrens { 712fa9e4066Sahrens dmu_tx_t *tx; 713fa9e4066Sahrens int error; 714fa9e4066Sahrens 715fa9e4066Sahrens if (byteswap) 716fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 717fa9e4066Sahrens 718fa9e4066Sahrens tx = dmu_tx_create(os); 719fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 7201209a471SNeil Perrin error = dmu_tx_assign(tx, TXG_WAIT); 721fa9e4066Sahrens if (error) { 722fa9e4066Sahrens dmu_tx_abort(tx); 723fa9e4066Sahrens return (error); 724fa9e4066Sahrens } 725fa9e4066Sahrens 726fa9e4066Sahrens error = dmu_object_claim(os, lr->lr_doid, lr->lr_mode, 0, 727fa9e4066Sahrens DMU_OT_NONE, 0, tx); 72899653d4eSeschrock ASSERT3U(error, ==, 0); 729fa9e4066Sahrens dmu_tx_commit(tx); 730fa9e4066Sahrens 731fa9e4066Sahrens if (zopt_verbose >= 5) { 732fa9e4066Sahrens char osname[MAXNAMELEN]; 733fa9e4066Sahrens dmu_objset_name(os, osname); 734fa9e4066Sahrens (void) printf("replay create of %s object %llu" 735fa9e4066Sahrens " in txg %llu = %d\n", 736fa9e4066Sahrens osname, (u_longlong_t)lr->lr_doid, 7371209a471SNeil Perrin (u_longlong_t)dmu_tx_get_txg(tx), error); 738fa9e4066Sahrens } 739fa9e4066Sahrens 740fa9e4066Sahrens return (error); 741fa9e4066Sahrens } 742fa9e4066Sahrens 743fa9e4066Sahrens static int 7441209a471SNeil Perrin ztest_replay_remove(objset_t *os, lr_remove_t *lr, boolean_t byteswap) 745fa9e4066Sahrens { 746fa9e4066Sahrens dmu_tx_t *tx; 747fa9e4066Sahrens int error; 748fa9e4066Sahrens 749fa9e4066Sahrens if (byteswap) 750fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 751fa9e4066Sahrens 752fa9e4066Sahrens tx = dmu_tx_create(os); 753fa9e4066Sahrens dmu_tx_hold_free(tx, lr->lr_doid, 0, DMU_OBJECT_END); 7541209a471SNeil Perrin error = dmu_tx_assign(tx, TXG_WAIT); 755fa9e4066Sahrens if (error) { 756fa9e4066Sahrens dmu_tx_abort(tx); 757fa9e4066Sahrens return (error); 758fa9e4066Sahrens } 759fa9e4066Sahrens 760fa9e4066Sahrens error = dmu_object_free(os, lr->lr_doid, tx); 761fa9e4066Sahrens dmu_tx_commit(tx); 762fa9e4066Sahrens 763fa9e4066Sahrens return (error); 764fa9e4066Sahrens } 765fa9e4066Sahrens 766fa9e4066Sahrens zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 767fa9e4066Sahrens NULL, /* 0 no such transaction type */ 768fa9e4066Sahrens ztest_replay_create, /* TX_CREATE */ 769fa9e4066Sahrens NULL, /* TX_MKDIR */ 770fa9e4066Sahrens NULL, /* TX_MKXATTR */ 771fa9e4066Sahrens NULL, /* TX_SYMLINK */ 772fa9e4066Sahrens ztest_replay_remove, /* TX_REMOVE */ 773fa9e4066Sahrens NULL, /* TX_RMDIR */ 774fa9e4066Sahrens NULL, /* TX_LINK */ 775fa9e4066Sahrens NULL, /* TX_RENAME */ 776fa9e4066Sahrens NULL, /* TX_WRITE */ 777fa9e4066Sahrens NULL, /* TX_TRUNCATE */ 778fa9e4066Sahrens NULL, /* TX_SETATTR */ 779fa9e4066Sahrens NULL, /* TX_ACL */ 780fa9e4066Sahrens }; 781fa9e4066Sahrens 782fa9e4066Sahrens /* 783fa9e4066Sahrens * Verify that we can't destroy an active pool, create an existing pool, 784fa9e4066Sahrens * or create a pool with a bad vdev spec. 785fa9e4066Sahrens */ 786fa9e4066Sahrens void 787fa9e4066Sahrens ztest_spa_create_destroy(ztest_args_t *za) 788fa9e4066Sahrens { 789fa9e4066Sahrens int error; 790fa9e4066Sahrens spa_t *spa; 791fa9e4066Sahrens nvlist_t *nvroot; 792fa9e4066Sahrens 793fa9e4066Sahrens /* 794fa9e4066Sahrens * Attempt to create using a bad file. 795fa9e4066Sahrens */ 796e14bb325SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 7970a48a24eStimh error = spa_create("ztest_bad_file", nvroot, NULL, NULL, NULL); 798fa9e4066Sahrens nvlist_free(nvroot); 799fa9e4066Sahrens if (error != ENOENT) 800fa9e4066Sahrens fatal(0, "spa_create(bad_file) = %d", error); 801fa9e4066Sahrens 802fa9e4066Sahrens /* 803fa9e4066Sahrens * Attempt to create using a bad mirror. 804fa9e4066Sahrens */ 805e14bb325SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 2, 1); 8060a48a24eStimh error = spa_create("ztest_bad_mirror", nvroot, NULL, NULL, NULL); 807fa9e4066Sahrens nvlist_free(nvroot); 808fa9e4066Sahrens if (error != ENOENT) 809fa9e4066Sahrens fatal(0, "spa_create(bad_mirror) = %d", error); 810fa9e4066Sahrens 811fa9e4066Sahrens /* 812fa9e4066Sahrens * Attempt to create an existing pool. It shouldn't matter 813fa9e4066Sahrens * what's in the nvroot; we should fail with EEXIST. 814fa9e4066Sahrens */ 815fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 816e14bb325SJeff Bonwick nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1); 8170a48a24eStimh error = spa_create(za->za_pool, nvroot, NULL, NULL, NULL); 818fa9e4066Sahrens nvlist_free(nvroot); 819fa9e4066Sahrens if (error != EEXIST) 820fa9e4066Sahrens fatal(0, "spa_create(whatever) = %d", error); 821fa9e4066Sahrens 822fa9e4066Sahrens error = spa_open(za->za_pool, &spa, FTAG); 823fa9e4066Sahrens if (error) 824fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 825fa9e4066Sahrens 826fa9e4066Sahrens error = spa_destroy(za->za_pool); 827fa9e4066Sahrens if (error != EBUSY) 828fa9e4066Sahrens fatal(0, "spa_destroy() = %d", error); 829fa9e4066Sahrens 830fa9e4066Sahrens spa_close(spa, FTAG); 831fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 832fa9e4066Sahrens } 833fa9e4066Sahrens 83431157203SJeff Bonwick static vdev_t * 83531157203SJeff Bonwick vdev_lookup_by_path(vdev_t *vd, const char *path) 83631157203SJeff Bonwick { 83731157203SJeff Bonwick vdev_t *mvd; 83831157203SJeff Bonwick 83931157203SJeff Bonwick if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0) 84031157203SJeff Bonwick return (vd); 84131157203SJeff Bonwick 84231157203SJeff Bonwick for (int c = 0; c < vd->vdev_children; c++) 84331157203SJeff Bonwick if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 84431157203SJeff Bonwick NULL) 84531157203SJeff Bonwick return (mvd); 84631157203SJeff Bonwick 84731157203SJeff Bonwick return (NULL); 84831157203SJeff Bonwick } 84931157203SJeff Bonwick 850fa9e4066Sahrens /* 851fa9e4066Sahrens * Verify that vdev_add() works as expected. 852fa9e4066Sahrens */ 853fa9e4066Sahrens void 854fa9e4066Sahrens ztest_vdev_add_remove(ztest_args_t *za) 855fa9e4066Sahrens { 856e05725b1Sbonwick spa_t *spa = za->za_spa; 857fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 858fa9e4066Sahrens nvlist_t *nvroot; 859fa9e4066Sahrens int error; 860fa9e4066Sahrens 861fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 862fa9e4066Sahrens 863e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 864fa9e4066Sahrens 865fa9e4066Sahrens ztest_shared->zs_vdev_primaries = 866fa9e4066Sahrens spa->spa_root_vdev->vdev_children * leaves; 867fa9e4066Sahrens 868e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 869fa9e4066Sahrens 8708654d025Sperrin /* 8718654d025Sperrin * Make 1/4 of the devices be log devices. 8728654d025Sperrin */ 873e14bb325SJeff Bonwick nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 8748654d025Sperrin ztest_random(4) == 0, zopt_raidz, zopt_mirrors, 1); 8758654d025Sperrin 876fa9e4066Sahrens error = spa_vdev_add(spa, nvroot); 877fa9e4066Sahrens nvlist_free(nvroot); 878fa9e4066Sahrens 879fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 880fa9e4066Sahrens 881fa9e4066Sahrens if (error == ENOSPC) 882fa9e4066Sahrens ztest_record_enospc("spa_vdev_add"); 883fa9e4066Sahrens else if (error != 0) 884fa9e4066Sahrens fatal(0, "spa_vdev_add() = %d", error); 885e14bb325SJeff Bonwick } 886fa9e4066Sahrens 887e14bb325SJeff Bonwick /* 888e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 889e14bb325SJeff Bonwick */ 890e14bb325SJeff Bonwick void 891e14bb325SJeff Bonwick ztest_vdev_aux_add_remove(ztest_args_t *za) 892e14bb325SJeff Bonwick { 893e14bb325SJeff Bonwick spa_t *spa = za->za_spa; 89431157203SJeff Bonwick vdev_t *rvd = spa->spa_root_vdev; 895e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 896e14bb325SJeff Bonwick char *aux; 897e14bb325SJeff Bonwick uint64_t guid = 0; 898e14bb325SJeff Bonwick int error; 899e14bb325SJeff Bonwick 90031157203SJeff Bonwick if (ztest_random(2) == 0) { 901e14bb325SJeff Bonwick sav = &spa->spa_spares; 902e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 903e14bb325SJeff Bonwick } else { 904e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 905e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 906e14bb325SJeff Bonwick } 907e14bb325SJeff Bonwick 908e14bb325SJeff Bonwick (void) mutex_lock(&ztest_shared->zs_vdev_lock); 909e14bb325SJeff Bonwick 910e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 911e14bb325SJeff Bonwick 912e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 913e14bb325SJeff Bonwick /* 914e14bb325SJeff Bonwick * Pick a random device to remove. 915e14bb325SJeff Bonwick */ 916e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 917e14bb325SJeff Bonwick } else { 918e14bb325SJeff Bonwick /* 919e14bb325SJeff Bonwick * Find an unused device we can add. 920e14bb325SJeff Bonwick */ 921e14bb325SJeff Bonwick ztest_shared->zs_vdev_aux = 0; 922e14bb325SJeff Bonwick for (;;) { 923e14bb325SJeff Bonwick char path[MAXPATHLEN]; 924e14bb325SJeff Bonwick int c; 925e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, zopt_dir, 926e14bb325SJeff Bonwick zopt_pool, aux, ztest_shared->zs_vdev_aux); 927e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 928e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 929e14bb325SJeff Bonwick path) == 0) 930e14bb325SJeff Bonwick break; 93131157203SJeff Bonwick if (c == sav->sav_count && 93231157203SJeff Bonwick vdev_lookup_by_path(rvd, path) == NULL) 933e14bb325SJeff Bonwick break; 934e14bb325SJeff Bonwick ztest_shared->zs_vdev_aux++; 935e14bb325SJeff Bonwick } 936e14bb325SJeff Bonwick } 937e14bb325SJeff Bonwick 938e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 939e14bb325SJeff Bonwick 940e14bb325SJeff Bonwick if (guid == 0) { 941e14bb325SJeff Bonwick /* 942e14bb325SJeff Bonwick * Add a new device. 943e14bb325SJeff Bonwick */ 94431157203SJeff Bonwick nvlist_t *nvroot = make_vdev_root(NULL, aux, 94531157203SJeff Bonwick (zopt_vdev_size * 5) / 4, 0, 0, 0, 0, 1); 946e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 947e14bb325SJeff Bonwick if (error != 0) 948e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 949e14bb325SJeff Bonwick nvlist_free(nvroot); 950e14bb325SJeff Bonwick } else { 951e14bb325SJeff Bonwick /* 952e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 953e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 954e14bb325SJeff Bonwick * of devices that have pending state changes. 955e14bb325SJeff Bonwick */ 956e14bb325SJeff Bonwick if (ztest_random(2) == 0) 957e14bb325SJeff Bonwick (void) vdev_online(spa, guid, B_FALSE, NULL); 958e14bb325SJeff Bonwick 959e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 960e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 961e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 962e14bb325SJeff Bonwick } 963e14bb325SJeff Bonwick 964e14bb325SJeff Bonwick (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 965fa9e4066Sahrens } 966fa9e4066Sahrens 967fa9e4066Sahrens /* 968fa9e4066Sahrens * Verify that we can attach and detach devices. 969fa9e4066Sahrens */ 970fa9e4066Sahrens void 971fa9e4066Sahrens ztest_vdev_attach_detach(ztest_args_t *za) 972fa9e4066Sahrens { 973e05725b1Sbonwick spa_t *spa = za->za_spa; 97431157203SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_spares; 975fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 976ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 977e14bb325SJeff Bonwick nvlist_t *root; 978fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 979fa9e4066Sahrens uint64_t leaf, top; 980ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 9818ad4d6ddSJeff Bonwick uint64_t oldguid, pguid; 982ea8dc4b6Seschrock size_t oldsize, newsize; 983ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 984fa9e4066Sahrens int replacing; 9859af0a4dfSJeff Bonwick int oldvd_has_siblings = B_FALSE; 98631157203SJeff Bonwick int newvd_is_spare = B_FALSE; 98731157203SJeff Bonwick int oldvd_is_log; 988fa9e4066Sahrens int error, expected_error; 989fa9e4066Sahrens 990fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 991fa9e4066Sahrens 992e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 993fa9e4066Sahrens 994fa9e4066Sahrens /* 995fa9e4066Sahrens * Decide whether to do an attach or a replace. 996fa9e4066Sahrens */ 997fa9e4066Sahrens replacing = ztest_random(2); 998fa9e4066Sahrens 999fa9e4066Sahrens /* 1000fa9e4066Sahrens * Pick a random top-level vdev. 1001fa9e4066Sahrens */ 1002fa9e4066Sahrens top = ztest_random(rvd->vdev_children); 1003fa9e4066Sahrens 1004fa9e4066Sahrens /* 1005fa9e4066Sahrens * Pick a random leaf within it. 1006fa9e4066Sahrens */ 1007fa9e4066Sahrens leaf = ztest_random(leaves); 1008fa9e4066Sahrens 1009fa9e4066Sahrens /* 101031157203SJeff Bonwick * Locate this vdev. 1011fa9e4066Sahrens */ 101231157203SJeff Bonwick oldvd = rvd->vdev_child[top]; 10138ad4d6ddSJeff Bonwick if (zopt_mirrors >= 1) { 10148ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_mirror_ops); 10158ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= zopt_mirrors); 101631157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf / zopt_raidz]; 10178ad4d6ddSJeff Bonwick } 10188ad4d6ddSJeff Bonwick if (zopt_raidz > 1) { 10198ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_ops == &vdev_raidz_ops); 10208ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children == zopt_raidz); 102131157203SJeff Bonwick oldvd = oldvd->vdev_child[leaf % zopt_raidz]; 10228ad4d6ddSJeff Bonwick } 1023fa9e4066Sahrens 1024fa9e4066Sahrens /* 102531157203SJeff Bonwick * If we're already doing an attach or replace, oldvd may be a 102631157203SJeff Bonwick * mirror vdev -- in which case, pick a random child. 1027fa9e4066Sahrens */ 102831157203SJeff Bonwick while (oldvd->vdev_children != 0) { 10299af0a4dfSJeff Bonwick oldvd_has_siblings = B_TRUE; 10308ad4d6ddSJeff Bonwick ASSERT(oldvd->vdev_children >= 2); 10318ad4d6ddSJeff Bonwick oldvd = oldvd->vdev_child[ztest_random(oldvd->vdev_children)]; 103231157203SJeff Bonwick } 1033fa9e4066Sahrens 103431157203SJeff Bonwick oldguid = oldvd->vdev_guid; 103531157203SJeff Bonwick oldsize = vdev_get_rsize(oldvd); 103631157203SJeff Bonwick oldvd_is_log = oldvd->vdev_top->vdev_islog; 103731157203SJeff Bonwick (void) strcpy(oldpath, oldvd->vdev_path); 1038ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 10398ad4d6ddSJeff Bonwick pguid = pvd->vdev_guid; 1040fa9e4066Sahrens 10419af0a4dfSJeff Bonwick /* 10429af0a4dfSJeff Bonwick * If oldvd has siblings, then half of the time, detach it. 10439af0a4dfSJeff Bonwick */ 10449af0a4dfSJeff Bonwick if (oldvd_has_siblings && ztest_random(2) == 0) { 10459af0a4dfSJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 10468ad4d6ddSJeff Bonwick error = spa_vdev_detach(spa, oldguid, pguid, B_FALSE); 10478ad4d6ddSJeff Bonwick if (error != 0 && error != ENODEV && error != EBUSY && 10488ad4d6ddSJeff Bonwick error != ENOTSUP) 10498ad4d6ddSJeff Bonwick fatal(0, "detach (%s) returned %d", oldpath, error); 10509af0a4dfSJeff Bonwick (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 10519af0a4dfSJeff Bonwick return; 10529af0a4dfSJeff Bonwick } 10539af0a4dfSJeff Bonwick 1054fa9e4066Sahrens /* 105531157203SJeff Bonwick * For the new vdev, choose with equal probability between the two 105631157203SJeff Bonwick * standard paths (ending in either 'a' or 'b') or a random hot spare. 1057fa9e4066Sahrens */ 105831157203SJeff Bonwick if (sav->sav_count != 0 && ztest_random(3) == 0) { 105931157203SJeff Bonwick newvd = sav->sav_vdevs[ztest_random(sav->sav_count)]; 106031157203SJeff Bonwick newvd_is_spare = B_TRUE; 106131157203SJeff Bonwick (void) strcpy(newpath, newvd->vdev_path); 106231157203SJeff Bonwick } else { 106331157203SJeff Bonwick (void) snprintf(newpath, sizeof (newpath), ztest_dev_template, 106431157203SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 106531157203SJeff Bonwick if (ztest_random(2) == 0) 106631157203SJeff Bonwick newpath[strlen(newpath) - 1] = 'b'; 106731157203SJeff Bonwick newvd = vdev_lookup_by_path(rvd, newpath); 106831157203SJeff Bonwick } 106931157203SJeff Bonwick 107031157203SJeff Bonwick if (newvd) { 107131157203SJeff Bonwick newsize = vdev_get_rsize(newvd); 107231157203SJeff Bonwick } else { 107331157203SJeff Bonwick /* 107431157203SJeff Bonwick * Make newsize a little bigger or smaller than oldsize. 107531157203SJeff Bonwick * If it's smaller, the attach should fail. 107631157203SJeff Bonwick * If it's larger, and we're doing a replace, 107731157203SJeff Bonwick * we should get dynamic LUN growth when we're done. 107831157203SJeff Bonwick */ 107931157203SJeff Bonwick newsize = 10 * oldsize / (9 + ztest_random(3)); 108031157203SJeff Bonwick } 1081fa9e4066Sahrens 1082fa9e4066Sahrens /* 1083fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 1084fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 1085fa9e4066Sahrens * 1086ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 1087fa9e4066Sahrens * 1088ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 1089fa9e4066Sahrens */ 109031157203SJeff Bonwick if (pvd->vdev_ops != &vdev_mirror_ops && 109131157203SJeff Bonwick pvd->vdev_ops != &vdev_root_ops && (!replacing || 109231157203SJeff Bonwick pvd->vdev_ops == &vdev_replacing_ops || 109331157203SJeff Bonwick pvd->vdev_ops == &vdev_spare_ops)) 109431157203SJeff Bonwick expected_error = ENOTSUP; 109531157203SJeff Bonwick else if (newvd_is_spare && (!replacing || oldvd_is_log)) 1096fa9e4066Sahrens expected_error = ENOTSUP; 109731157203SJeff Bonwick else if (newvd == oldvd) 109831157203SJeff Bonwick expected_error = replacing ? 0 : EBUSY; 109931157203SJeff Bonwick else if (vdev_lookup_by_path(rvd, newpath) != NULL) 110031157203SJeff Bonwick expected_error = EBUSY; 1101ea8dc4b6Seschrock else if (newsize < oldsize) 1102fa9e4066Sahrens expected_error = EOVERFLOW; 1103ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 1104ecc2d604Sbonwick expected_error = EDOM; 1105fa9e4066Sahrens else 1106fa9e4066Sahrens expected_error = 0; 1107fa9e4066Sahrens 1108e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 1109fa9e4066Sahrens 1110fa9e4066Sahrens /* 1111ea8dc4b6Seschrock * Build the nvlist describing newpath. 1112fa9e4066Sahrens */ 1113e14bb325SJeff Bonwick root = make_vdev_root(newpath, NULL, newvd == NULL ? newsize : 0, 1114e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 1115fa9e4066Sahrens 111631157203SJeff Bonwick error = spa_vdev_attach(spa, oldguid, root, replacing); 1117fa9e4066Sahrens 1118fa9e4066Sahrens nvlist_free(root); 1119fa9e4066Sahrens 1120fa9e4066Sahrens /* 1121fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 1122fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 1123fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 1124fa9e4066Sahrens */ 1125fa9e4066Sahrens if (expected_error == ENOTSUP && 1126fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 1127fa9e4066Sahrens expected_error = error; 1128fa9e4066Sahrens 1129f0aa80d4Sbonwick /* 1130f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 1131f0aa80d4Sbonwick */ 1132088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 1133f0aa80d4Sbonwick expected_error = error; 1134f0aa80d4Sbonwick 1135088f3894Sahrens /* XXX workaround 6690467 */ 1136088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 1137088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 1138088f3894Sahrens "returned %d, expected %d", 1139088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 1140088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 1141fa9e4066Sahrens } 1142fa9e4066Sahrens 1143fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1144fa9e4066Sahrens } 1145fa9e4066Sahrens 1146fa9e4066Sahrens /* 1147fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 1148fa9e4066Sahrens */ 1149fa9e4066Sahrens void 1150fa9e4066Sahrens ztest_vdev_LUN_growth(ztest_args_t *za) 1151fa9e4066Sahrens { 1152e05725b1Sbonwick spa_t *spa = za->za_spa; 1153fa9e4066Sahrens char dev_name[MAXPATHLEN]; 1154fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 1155fa9e4066Sahrens uint64_t vdev; 1156fa9e4066Sahrens size_t fsize; 1157fa9e4066Sahrens int fd; 1158fa9e4066Sahrens 1159fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 1160fa9e4066Sahrens 1161fa9e4066Sahrens /* 1162fa9e4066Sahrens * Pick a random leaf vdev. 1163fa9e4066Sahrens */ 1164e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 1165fa9e4066Sahrens vdev = ztest_random(spa->spa_root_vdev->vdev_children * leaves); 1166e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 1167fa9e4066Sahrens 1168fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 1169fa9e4066Sahrens 1170fa9e4066Sahrens if ((fd = open(dev_name, O_RDWR)) != -1) { 1171fa9e4066Sahrens /* 1172fa9e4066Sahrens * Determine the size. 1173fa9e4066Sahrens */ 1174fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 1175fa9e4066Sahrens 1176fa9e4066Sahrens /* 1177fa9e4066Sahrens * If it's less than 2x the original size, grow by around 3%. 1178fa9e4066Sahrens */ 1179fa9e4066Sahrens if (fsize < 2 * zopt_vdev_size) { 1180fa9e4066Sahrens size_t newsize = fsize + ztest_random(fsize / 32); 1181fa9e4066Sahrens (void) ftruncate(fd, newsize); 1182fa9e4066Sahrens if (zopt_verbose >= 6) { 1183fa9e4066Sahrens (void) printf("%s grew from %lu to %lu bytes\n", 1184fa9e4066Sahrens dev_name, (ulong_t)fsize, (ulong_t)newsize); 1185fa9e4066Sahrens } 1186fa9e4066Sahrens } 1187fa9e4066Sahrens (void) close(fd); 1188fa9e4066Sahrens } 1189fa9e4066Sahrens 1190fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1191fa9e4066Sahrens } 1192fa9e4066Sahrens 1193fa9e4066Sahrens /* ARGSUSED */ 1194fa9e4066Sahrens static void 1195ecd6cf80Smarks ztest_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 1196fa9e4066Sahrens { 1197fa9e4066Sahrens /* 1198fa9e4066Sahrens * Create the directory object. 1199fa9e4066Sahrens */ 1200fa9e4066Sahrens VERIFY(dmu_object_claim(os, ZTEST_DIROBJ, 1201fa9e4066Sahrens DMU_OT_UINT64_OTHER, ZTEST_DIROBJ_BLOCKSIZE, 1202e05725b1Sbonwick DMU_OT_UINT64_OTHER, 5 * sizeof (ztest_block_tag_t), tx) == 0); 1203fa9e4066Sahrens 1204fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_MICROZAP_OBJ, 1205fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1206fa9e4066Sahrens 1207fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_FATZAP_OBJ, 1208fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1209fa9e4066Sahrens } 1210fa9e4066Sahrens 12111d452cf5Sahrens static int 1212fa9e4066Sahrens ztest_destroy_cb(char *name, void *arg) 1213fa9e4066Sahrens { 1214e05725b1Sbonwick ztest_args_t *za = arg; 1215fa9e4066Sahrens objset_t *os; 1216e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 1217fa9e4066Sahrens int error; 1218fa9e4066Sahrens 1219fa9e4066Sahrens /* 1220fa9e4066Sahrens * Verify that the dataset contains a directory object. 1221fa9e4066Sahrens */ 1222fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, 1223745cd3c5Smaybee DS_MODE_USER | DS_MODE_READONLY, &os); 1224fa9e4066Sahrens ASSERT3U(error, ==, 0); 1225e05725b1Sbonwick error = dmu_object_info(os, ZTEST_DIROBJ, doi); 1226e1930233Sbonwick if (error != ENOENT) { 1227e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 1228e1930233Sbonwick ASSERT3U(error, ==, 0); 1229e05725b1Sbonwick ASSERT3U(doi->doi_type, ==, DMU_OT_UINT64_OTHER); 1230e05725b1Sbonwick ASSERT3S(doi->doi_physical_blks, >=, 0); 1231e1930233Sbonwick } 1232fa9e4066Sahrens dmu_objset_close(os); 1233fa9e4066Sahrens 1234fa9e4066Sahrens /* 1235fa9e4066Sahrens * Destroy the dataset. 1236fa9e4066Sahrens */ 1237fa9e4066Sahrens error = dmu_objset_destroy(name); 1238745cd3c5Smaybee if (error) { 1239745cd3c5Smaybee (void) dmu_objset_open(name, DMU_OST_OTHER, 1240745cd3c5Smaybee DS_MODE_USER | DS_MODE_READONLY, &os); 1241745cd3c5Smaybee fatal(0, "dmu_objset_destroy(os=%p) = %d\n", &os, error); 1242745cd3c5Smaybee } 12431d452cf5Sahrens return (0); 1244fa9e4066Sahrens } 1245fa9e4066Sahrens 1246fa9e4066Sahrens /* 1247fa9e4066Sahrens * Verify that dmu_objset_{create,destroy,open,close} work as expected. 1248fa9e4066Sahrens */ 1249fa9e4066Sahrens static uint64_t 1250fa9e4066Sahrens ztest_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t object, int mode) 1251fa9e4066Sahrens { 1252fa9e4066Sahrens itx_t *itx; 1253fa9e4066Sahrens lr_create_t *lr; 1254fa9e4066Sahrens size_t namesize; 1255fa9e4066Sahrens char name[24]; 1256fa9e4066Sahrens 1257fa9e4066Sahrens (void) sprintf(name, "ZOBJ_%llu", (u_longlong_t)object); 1258fa9e4066Sahrens namesize = strlen(name) + 1; 1259fa9e4066Sahrens 1260fa9e4066Sahrens itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize + 1261fa9e4066Sahrens ztest_random(ZIL_MAX_BLKSZ)); 1262fa9e4066Sahrens lr = (lr_create_t *)&itx->itx_lr; 1263fa9e4066Sahrens bzero(lr + 1, lr->lr_common.lrc_reclen - sizeof (*lr)); 1264fa9e4066Sahrens lr->lr_doid = object; 1265fa9e4066Sahrens lr->lr_foid = 0; 1266fa9e4066Sahrens lr->lr_mode = mode; 1267fa9e4066Sahrens lr->lr_uid = 0; 1268fa9e4066Sahrens lr->lr_gid = 0; 1269fa9e4066Sahrens lr->lr_gen = dmu_tx_get_txg(tx); 1270fa9e4066Sahrens lr->lr_crtime[0] = time(NULL); 1271fa9e4066Sahrens lr->lr_crtime[1] = 0; 1272fa9e4066Sahrens lr->lr_rdev = 0; 1273fa9e4066Sahrens bcopy(name, (char *)(lr + 1), namesize); 1274fa9e4066Sahrens 1275fa9e4066Sahrens return (zil_itx_assign(zilog, itx, tx)); 1276fa9e4066Sahrens } 1277fa9e4066Sahrens 1278fa9e4066Sahrens void 1279fa9e4066Sahrens ztest_dmu_objset_create_destroy(ztest_args_t *za) 1280fa9e4066Sahrens { 1281fa9e4066Sahrens int error; 1282745cd3c5Smaybee objset_t *os, *os2; 1283fa9e4066Sahrens char name[100]; 1284745cd3c5Smaybee int basemode, expected_error; 1285fa9e4066Sahrens zilog_t *zilog; 1286fa9e4066Sahrens uint64_t seq; 1287fa9e4066Sahrens uint64_t objects; 1288fa9e4066Sahrens 1289fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1290fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_temp_%llu", za->za_pool, za->za_pool, 1291fa9e4066Sahrens (u_longlong_t)za->za_instance); 1292fa9e4066Sahrens 1293745cd3c5Smaybee basemode = DS_MODE_TYPE(za->za_instance); 1294745cd3c5Smaybee if (basemode != DS_MODE_USER && basemode != DS_MODE_OWNER) 1295745cd3c5Smaybee basemode = DS_MODE_USER; 1296fa9e4066Sahrens 1297fa9e4066Sahrens /* 1298fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 1299fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 1300fa9e4066Sahrens * (invoked from ztest_destroy_cb() below) should just throw it away. 1301fa9e4066Sahrens */ 1302fa9e4066Sahrens if (ztest_random(2) == 0 && 1303745cd3c5Smaybee dmu_objset_open(name, DMU_OST_OTHER, DS_MODE_OWNER, &os) == 0) { 13041209a471SNeil Perrin zil_replay(os, os, ztest_replay_vector); 1305fa9e4066Sahrens dmu_objset_close(os); 1306fa9e4066Sahrens } 1307fa9e4066Sahrens 1308fa9e4066Sahrens /* 1309fa9e4066Sahrens * There may be an old instance of the dataset we're about to 1310fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 1311fa9e4066Sahrens * and all of its snapshots. 1312fa9e4066Sahrens */ 1313e05725b1Sbonwick (void) dmu_objset_find(name, ztest_destroy_cb, za, 13140b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 1315fa9e4066Sahrens 1316fa9e4066Sahrens /* 1317fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 1318fa9e4066Sahrens */ 1319fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, basemode, &os); 1320fa9e4066Sahrens if (error != ENOENT) 1321fa9e4066Sahrens fatal(1, "dmu_objset_open(%s) found destroyed dataset %p", 1322fa9e4066Sahrens name, os); 1323fa9e4066Sahrens 1324fa9e4066Sahrens /* 1325fa9e4066Sahrens * Verify that we can create a new dataset. 1326fa9e4066Sahrens */ 1327ab04eb8eStimh error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0, 1328ab04eb8eStimh ztest_create_cb, NULL); 1329fa9e4066Sahrens if (error) { 1330fa9e4066Sahrens if (error == ENOSPC) { 1331fa9e4066Sahrens ztest_record_enospc("dmu_objset_create"); 1332fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1333fa9e4066Sahrens return; 1334fa9e4066Sahrens } 1335fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 1336fa9e4066Sahrens } 1337fa9e4066Sahrens 1338fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, basemode, &os); 1339fa9e4066Sahrens if (error) { 1340fa9e4066Sahrens fatal(0, "dmu_objset_open(%s) = %d", name, error); 1341fa9e4066Sahrens } 1342fa9e4066Sahrens 1343fa9e4066Sahrens /* 1344fa9e4066Sahrens * Open the intent log for it. 1345fa9e4066Sahrens */ 1346fa9e4066Sahrens zilog = zil_open(os, NULL); 1347fa9e4066Sahrens 1348fa9e4066Sahrens /* 1349fa9e4066Sahrens * Put a random number of objects in there. 1350fa9e4066Sahrens */ 1351d80c45e0Sbonwick objects = ztest_random(20); 1352fa9e4066Sahrens seq = 0; 1353fa9e4066Sahrens while (objects-- != 0) { 1354fa9e4066Sahrens uint64_t object; 1355fa9e4066Sahrens dmu_tx_t *tx = dmu_tx_create(os); 1356fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, sizeof (name)); 1357fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1358fa9e4066Sahrens if (error) { 1359fa9e4066Sahrens dmu_tx_abort(tx); 1360fa9e4066Sahrens } else { 1361fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1362fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1363fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1364fa9e4066Sahrens seq = ztest_log_create(zilog, tx, object, 1365fa9e4066Sahrens DMU_OT_UINT64_OTHER); 1366fa9e4066Sahrens dmu_write(os, object, 0, sizeof (name), name, tx); 1367fa9e4066Sahrens dmu_tx_commit(tx); 1368fa9e4066Sahrens } 1369fa9e4066Sahrens if (ztest_random(5) == 0) { 1370b19a79ecSperrin zil_commit(zilog, seq, object); 1371fa9e4066Sahrens } 1372d80c45e0Sbonwick if (ztest_random(100) == 0) { 1373fa9e4066Sahrens error = zil_suspend(zilog); 1374fa9e4066Sahrens if (error == 0) { 1375fa9e4066Sahrens zil_resume(zilog); 1376fa9e4066Sahrens } 1377fa9e4066Sahrens } 1378fa9e4066Sahrens } 1379fa9e4066Sahrens 1380fa9e4066Sahrens /* 1381fa9e4066Sahrens * Verify that we cannot create an existing dataset. 1382fa9e4066Sahrens */ 1383ab04eb8eStimh error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0, NULL, NULL); 1384fa9e4066Sahrens if (error != EEXIST) 1385fa9e4066Sahrens fatal(0, "created existing dataset, error = %d", error); 1386fa9e4066Sahrens 1387fa9e4066Sahrens /* 1388745cd3c5Smaybee * Verify that multiple dataset holds are allowed, but only when 1389fa9e4066Sahrens * the new access mode is compatible with the base mode. 1390745cd3c5Smaybee */ 1391745cd3c5Smaybee if (basemode == DS_MODE_OWNER) { 1392745cd3c5Smaybee error = dmu_objset_open(name, DMU_OST_OTHER, DS_MODE_USER, 1393745cd3c5Smaybee &os2); 1394745cd3c5Smaybee if (error) 1395745cd3c5Smaybee fatal(0, "dmu_objset_open('%s') = %d", name, error); 1396745cd3c5Smaybee else 1397fa9e4066Sahrens dmu_objset_close(os2); 1398fa9e4066Sahrens } 1399745cd3c5Smaybee error = dmu_objset_open(name, DMU_OST_OTHER, DS_MODE_OWNER, &os2); 1400745cd3c5Smaybee expected_error = (basemode == DS_MODE_OWNER) ? EBUSY : 0; 1401745cd3c5Smaybee if (error != expected_error) 1402745cd3c5Smaybee fatal(0, "dmu_objset_open('%s') = %d, expected %d", 1403745cd3c5Smaybee name, error, expected_error); 1404745cd3c5Smaybee if (error == 0) 1405745cd3c5Smaybee dmu_objset_close(os2); 1406fa9e4066Sahrens 1407fa9e4066Sahrens zil_close(zilog); 1408fa9e4066Sahrens dmu_objset_close(os); 1409fa9e4066Sahrens 1410fa9e4066Sahrens error = dmu_objset_destroy(name); 1411fa9e4066Sahrens if (error) 1412fa9e4066Sahrens fatal(0, "dmu_objset_destroy(%s) = %d", name, error); 1413fa9e4066Sahrens 1414fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1415fa9e4066Sahrens } 1416fa9e4066Sahrens 1417fa9e4066Sahrens /* 1418fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 1419fa9e4066Sahrens */ 1420fa9e4066Sahrens void 1421fa9e4066Sahrens ztest_dmu_snapshot_create_destroy(ztest_args_t *za) 1422fa9e4066Sahrens { 1423fa9e4066Sahrens int error; 1424fa9e4066Sahrens objset_t *os = za->za_os; 1425fa9e4066Sahrens char snapname[100]; 1426fa9e4066Sahrens char osname[MAXNAMELEN]; 1427fa9e4066Sahrens 1428fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1429fa9e4066Sahrens dmu_objset_name(os, osname); 1430fa9e4066Sahrens (void) snprintf(snapname, 100, "%s@%llu", osname, 1431fa9e4066Sahrens (u_longlong_t)za->za_instance); 1432fa9e4066Sahrens 1433fa9e4066Sahrens error = dmu_objset_destroy(snapname); 1434fa9e4066Sahrens if (error != 0 && error != ENOENT) 1435fa9e4066Sahrens fatal(0, "dmu_objset_destroy() = %d", error); 1436ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(osname, strchr(snapname, '@')+1, 1437ea2f5b9eSMatthew Ahrens NULL, FALSE); 1438fa9e4066Sahrens if (error == ENOSPC) 1439fa9e4066Sahrens ztest_record_enospc("dmu_take_snapshot"); 1440fa9e4066Sahrens else if (error != 0 && error != EEXIST) 1441fa9e4066Sahrens fatal(0, "dmu_take_snapshot() = %d", error); 1442fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 14434f5064b7SMark J Musante } 14444f5064b7SMark J Musante 14454f5064b7SMark J Musante /* 14464f5064b7SMark J Musante * Verify dsl_dataset_promote handles EBUSY 14474f5064b7SMark J Musante */ 14484f5064b7SMark J Musante void 14494f5064b7SMark J Musante ztest_dsl_dataset_promote_busy(ztest_args_t *za) 14504f5064b7SMark J Musante { 14514f5064b7SMark J Musante int error; 14524f5064b7SMark J Musante objset_t *os = za->za_os; 14534f5064b7SMark J Musante objset_t *clone; 14544f5064b7SMark J Musante dsl_dataset_t *ds; 14554f5064b7SMark J Musante char snap1name[100]; 14564f5064b7SMark J Musante char clone1name[100]; 14574f5064b7SMark J Musante char snap2name[100]; 14584f5064b7SMark J Musante char clone2name[100]; 14594f5064b7SMark J Musante char snap3name[100]; 14604f5064b7SMark J Musante char osname[MAXNAMELEN]; 14614f5064b7SMark J Musante uint64_t curval; 14624f5064b7SMark J Musante 146305312e2cSMark J Musante curval = za->za_instance; 14644f5064b7SMark J Musante 14654f5064b7SMark J Musante (void) rw_rdlock(&ztest_shared->zs_name_lock); 14664f5064b7SMark J Musante 14674f5064b7SMark J Musante dmu_objset_name(os, osname); 146805312e2cSMark J Musante (void) snprintf(snap1name, 100, "%s@s1_%llu", osname, curval); 146905312e2cSMark J Musante (void) snprintf(clone1name, 100, "%s/c1_%llu", osname, curval); 147005312e2cSMark J Musante (void) snprintf(snap2name, 100, "%s@s2_%llu", clone1name, curval); 147105312e2cSMark J Musante (void) snprintf(clone2name, 100, "%s/c2_%llu", osname, curval); 147205312e2cSMark J Musante (void) snprintf(snap3name, 100, "%s@s3_%llu", clone1name, curval); 147305312e2cSMark J Musante 147405312e2cSMark J Musante error = dmu_objset_destroy(clone2name); 147505312e2cSMark J Musante if (error != 0 && error != ENOENT) 147605312e2cSMark J Musante fatal(0, "dmu_objset_destroy() = %d", error); 147705312e2cSMark J Musante error = dmu_objset_destroy(snap3name); 147805312e2cSMark J Musante if (error != 0 && error != ENOENT) 147905312e2cSMark J Musante fatal(0, "dmu_objset_destroy() = %d", error); 148005312e2cSMark J Musante error = dmu_objset_destroy(snap2name); 148105312e2cSMark J Musante if (error != 0 && error != ENOENT) 148205312e2cSMark J Musante fatal(0, "dmu_objset_destroy() = %d", error); 148305312e2cSMark J Musante error = dmu_objset_destroy(clone1name); 148405312e2cSMark J Musante if (error != 0 && error != ENOENT) 148505312e2cSMark J Musante fatal(0, "dmu_objset_destroy() = %d", error); 148605312e2cSMark J Musante error = dmu_objset_destroy(snap1name); 148705312e2cSMark J Musante if (error != 0 && error != ENOENT) 148805312e2cSMark J Musante fatal(0, "dmu_objset_destroy() = %d", error); 14894f5064b7SMark J Musante 1490ea2f5b9eSMatthew Ahrens error = dmu_objset_snapshot(osname, strchr(snap1name, '@')+1, 1491ea2f5b9eSMatthew Ahrens NULL, FALSE); 1492b2d22b66SGeorge Wilson if (error && error != EEXIST) { 1493b2d22b66SGeorge Wilson if (error == ENOSPC) { 1494b2d22b66SGeorge Wilson ztest_record_enospc("dmu_take_snapshot"); 1495b2d22b66SGeorge Wilson goto out; 1496b2d22b66SGeorge Wilson } 1497b2d22b66SGeorge Wilson fatal(0, "dmu_take_snapshot(%s) = %d", snap1name, error); 1498b2d22b66SGeorge Wilson } 14994f5064b7SMark J Musante 15004f5064b7SMark J Musante error = dmu_objset_open(snap1name, DMU_OST_OTHER, 15014f5064b7SMark J Musante DS_MODE_USER | DS_MODE_READONLY, &clone); 15024f5064b7SMark J Musante if (error) 15034f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap1name, error); 15044f5064b7SMark J Musante 15054f5064b7SMark J Musante error = dmu_objset_create(clone1name, DMU_OST_OTHER, clone, 0, 15064f5064b7SMark J Musante NULL, NULL); 15074f5064b7SMark J Musante dmu_objset_close(clone); 1508b2d22b66SGeorge Wilson if (error) { 1509b2d22b66SGeorge Wilson if (error == ENOSPC) { 1510b2d22b66SGeorge Wilson ztest_record_enospc("dmu_objset_create"); 1511b2d22b66SGeorge Wilson goto out; 1512b2d22b66SGeorge Wilson } 1513b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone1name, error); 1514b2d22b66SGeorge Wilson } 15154f5064b7SMark J Musante 15164f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap2name, '@')+1, 1517ea2f5b9eSMatthew Ahrens NULL, FALSE); 1518b2d22b66SGeorge Wilson if (error && error != EEXIST) { 1519b2d22b66SGeorge Wilson if (error == ENOSPC) { 1520b2d22b66SGeorge Wilson ztest_record_enospc("dmu_take_snapshot"); 1521b2d22b66SGeorge Wilson goto out; 1522b2d22b66SGeorge Wilson } 1523b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap2name, error); 1524b2d22b66SGeorge Wilson } 15254f5064b7SMark J Musante 15264f5064b7SMark J Musante error = dmu_objset_snapshot(clone1name, strchr(snap3name, '@')+1, 1527ea2f5b9eSMatthew Ahrens NULL, FALSE); 1528b2d22b66SGeorge Wilson if (error && error != EEXIST) { 1529b2d22b66SGeorge Wilson if (error == ENOSPC) { 1530b2d22b66SGeorge Wilson ztest_record_enospc("dmu_take_snapshot"); 1531b2d22b66SGeorge Wilson goto out; 1532b2d22b66SGeorge Wilson } 1533b2d22b66SGeorge Wilson fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 1534b2d22b66SGeorge Wilson } 15354f5064b7SMark J Musante 15364f5064b7SMark J Musante error = dmu_objset_open(snap3name, DMU_OST_OTHER, 15374f5064b7SMark J Musante DS_MODE_USER | DS_MODE_READONLY, &clone); 15384f5064b7SMark J Musante if (error) 15394f5064b7SMark J Musante fatal(0, "dmu_open_snapshot(%s) = %d", snap3name, error); 15404f5064b7SMark J Musante 15414f5064b7SMark J Musante error = dmu_objset_create(clone2name, DMU_OST_OTHER, clone, 0, 15424f5064b7SMark J Musante NULL, NULL); 15434f5064b7SMark J Musante dmu_objset_close(clone); 1544b2d22b66SGeorge Wilson if (error) { 1545b2d22b66SGeorge Wilson if (error == ENOSPC) { 1546b2d22b66SGeorge Wilson ztest_record_enospc("dmu_objset_create"); 1547b2d22b66SGeorge Wilson goto out; 1548b2d22b66SGeorge Wilson } 1549b2d22b66SGeorge Wilson fatal(0, "dmu_objset_create(%s) = %d", clone2name, error); 1550b2d22b66SGeorge Wilson } 15514f5064b7SMark J Musante 155205312e2cSMark J Musante error = dsl_dataset_own(snap1name, DS_MODE_READONLY, FTAG, &ds); 15534f5064b7SMark J Musante if (error) 15544f5064b7SMark J Musante fatal(0, "dsl_dataset_own(%s) = %d", snap1name, error); 15554f5064b7SMark J Musante error = dsl_dataset_promote(clone2name); 15564f5064b7SMark J Musante if (error != EBUSY) 15574f5064b7SMark J Musante fatal(0, "dsl_dataset_promote(%s), %d, not EBUSY", clone2name, 15584f5064b7SMark J Musante error); 15594f5064b7SMark J Musante dsl_dataset_disown(ds, FTAG); 15604f5064b7SMark J Musante 1561b2d22b66SGeorge Wilson out: 15624f5064b7SMark J Musante error = dmu_objset_destroy(clone2name); 1563b2d22b66SGeorge Wilson if (error && error != ENOENT) 15644f5064b7SMark J Musante fatal(0, "dmu_objset_destroy(%s) = %d", clone2name, error); 15654f5064b7SMark J Musante error = dmu_objset_destroy(snap3name); 1566b2d22b66SGeorge Wilson if (error && error != ENOENT) 156705312e2cSMark J Musante fatal(0, "dmu_objset_destroy(%s) = %d", snap3name, error); 15684f5064b7SMark J Musante error = dmu_objset_destroy(snap2name); 1569b2d22b66SGeorge Wilson if (error && error != ENOENT) 15704f5064b7SMark J Musante fatal(0, "dmu_objset_destroy(%s) = %d", snap2name, error); 15714f5064b7SMark J Musante error = dmu_objset_destroy(clone1name); 1572b2d22b66SGeorge Wilson if (error && error != ENOENT) 15734f5064b7SMark J Musante fatal(0, "dmu_objset_destroy(%s) = %d", clone1name, error); 15744f5064b7SMark J Musante error = dmu_objset_destroy(snap1name); 1575b2d22b66SGeorge Wilson if (error && error != ENOENT) 15764f5064b7SMark J Musante fatal(0, "dmu_objset_destroy(%s) = %d", snap1name, error); 15774f5064b7SMark J Musante 15784f5064b7SMark J Musante (void) rw_unlock(&ztest_shared->zs_name_lock); 1579fa9e4066Sahrens } 1580fa9e4066Sahrens 1581fa9e4066Sahrens /* 1582fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 1583fa9e4066Sahrens */ 1584fa9e4066Sahrens void 1585fa9e4066Sahrens ztest_dmu_object_alloc_free(ztest_args_t *za) 1586fa9e4066Sahrens { 1587fa9e4066Sahrens objset_t *os = za->za_os; 1588fa9e4066Sahrens dmu_buf_t *db; 1589fa9e4066Sahrens dmu_tx_t *tx; 1590fa9e4066Sahrens uint64_t batchobj, object, batchsize, endoff, temp; 1591fa9e4066Sahrens int b, c, error, bonuslen; 1592e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 1593fa9e4066Sahrens char osname[MAXNAMELEN]; 1594fa9e4066Sahrens 1595fa9e4066Sahrens dmu_objset_name(os, osname); 1596fa9e4066Sahrens 1597fa9e4066Sahrens endoff = -8ULL; 1598fa9e4066Sahrens batchsize = 2; 1599fa9e4066Sahrens 1600fa9e4066Sahrens /* 1601fa9e4066Sahrens * Create a batch object if necessary, and record it in the directory. 1602fa9e4066Sahrens */ 1603e14bb325SJeff Bonwick VERIFY3U(0, ==, dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 1604*7bfdf011SNeil Perrin sizeof (uint64_t), &batchobj, DMU_READ_PREFETCH)); 1605fa9e4066Sahrens if (batchobj == 0) { 1606fa9e4066Sahrens tx = dmu_tx_create(os); 1607fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 1608fa9e4066Sahrens sizeof (uint64_t)); 1609fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1610fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1611fa9e4066Sahrens if (error) { 1612fa9e4066Sahrens ztest_record_enospc("create a batch object"); 1613fa9e4066Sahrens dmu_tx_abort(tx); 1614fa9e4066Sahrens return; 1615fa9e4066Sahrens } 1616fa9e4066Sahrens batchobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1617fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1618fa9e4066Sahrens ztest_set_random_blocksize(os, batchobj, tx); 1619fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 1620fa9e4066Sahrens sizeof (uint64_t), &batchobj, tx); 1621fa9e4066Sahrens dmu_tx_commit(tx); 1622fa9e4066Sahrens } 1623fa9e4066Sahrens 1624fa9e4066Sahrens /* 1625fa9e4066Sahrens * Destroy the previous batch of objects. 1626fa9e4066Sahrens */ 1627fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1628088f3894Sahrens VERIFY3U(0, ==, dmu_read(os, batchobj, b * sizeof (uint64_t), 1629*7bfdf011SNeil Perrin sizeof (uint64_t), &object, DMU_READ_PREFETCH)); 1630fa9e4066Sahrens if (object == 0) 1631fa9e4066Sahrens continue; 1632fa9e4066Sahrens /* 1633fa9e4066Sahrens * Read and validate contents. 1634fa9e4066Sahrens * We expect the nth byte of the bonus buffer to be n. 1635fa9e4066Sahrens */ 1636ea8dc4b6Seschrock VERIFY(0 == dmu_bonus_hold(os, object, FTAG, &db)); 1637e05725b1Sbonwick za->za_dbuf = db; 1638fa9e4066Sahrens 1639e05725b1Sbonwick dmu_object_info_from_db(db, doi); 1640e05725b1Sbonwick ASSERT(doi->doi_type == DMU_OT_UINT64_OTHER); 1641e05725b1Sbonwick ASSERT(doi->doi_bonus_type == DMU_OT_PLAIN_OTHER); 1642e05725b1Sbonwick ASSERT3S(doi->doi_physical_blks, >=, 0); 1643fa9e4066Sahrens 1644e05725b1Sbonwick bonuslen = doi->doi_bonus_size; 1645fa9e4066Sahrens 1646fa9e4066Sahrens for (c = 0; c < bonuslen; c++) { 1647fa9e4066Sahrens if (((uint8_t *)db->db_data)[c] != 1648fa9e4066Sahrens (uint8_t)(c + bonuslen)) { 1649fa9e4066Sahrens fatal(0, 1650fa9e4066Sahrens "bad bonus: %s, obj %llu, off %d: %u != %u", 1651fa9e4066Sahrens osname, object, c, 1652fa9e4066Sahrens ((uint8_t *)db->db_data)[c], 1653fa9e4066Sahrens (uint8_t)(c + bonuslen)); 1654fa9e4066Sahrens } 1655fa9e4066Sahrens } 1656fa9e4066Sahrens 1657ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1658e05725b1Sbonwick za->za_dbuf = NULL; 1659fa9e4066Sahrens 1660fa9e4066Sahrens /* 1661fa9e4066Sahrens * We expect the word at endoff to be our object number. 1662fa9e4066Sahrens */ 1663ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, object, endoff, 1664*7bfdf011SNeil Perrin sizeof (uint64_t), &temp, DMU_READ_PREFETCH)); 1665fa9e4066Sahrens 1666fa9e4066Sahrens if (temp != object) { 1667fa9e4066Sahrens fatal(0, "bad data in %s, got %llu, expected %llu", 1668fa9e4066Sahrens osname, temp, object); 1669fa9e4066Sahrens } 1670fa9e4066Sahrens 1671fa9e4066Sahrens /* 1672fa9e4066Sahrens * Destroy old object and clear batch entry. 1673fa9e4066Sahrens */ 1674fa9e4066Sahrens tx = dmu_tx_create(os); 1675fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, 1676fa9e4066Sahrens b * sizeof (uint64_t), sizeof (uint64_t)); 1677fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1678fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1679fa9e4066Sahrens if (error) { 1680fa9e4066Sahrens ztest_record_enospc("free object"); 1681fa9e4066Sahrens dmu_tx_abort(tx); 1682fa9e4066Sahrens return; 1683fa9e4066Sahrens } 1684fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1685fa9e4066Sahrens if (error) { 1686fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1687fa9e4066Sahrens osname, object, error); 1688fa9e4066Sahrens } 1689fa9e4066Sahrens object = 0; 1690fa9e4066Sahrens 1691fa9e4066Sahrens dmu_object_set_checksum(os, batchobj, 1692fa9e4066Sahrens ztest_random_checksum(), tx); 1693fa9e4066Sahrens dmu_object_set_compress(os, batchobj, 1694fa9e4066Sahrens ztest_random_compress(), tx); 1695fa9e4066Sahrens 1696fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1697fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1698fa9e4066Sahrens 1699fa9e4066Sahrens dmu_tx_commit(tx); 1700fa9e4066Sahrens } 1701fa9e4066Sahrens 1702fa9e4066Sahrens /* 1703fa9e4066Sahrens * Before creating the new batch of objects, generate a bunch of churn. 1704fa9e4066Sahrens */ 1705fa9e4066Sahrens for (b = ztest_random(100); b > 0; b--) { 1706fa9e4066Sahrens tx = dmu_tx_create(os); 1707fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1708fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1709fa9e4066Sahrens if (error) { 1710fa9e4066Sahrens ztest_record_enospc("churn objects"); 1711fa9e4066Sahrens dmu_tx_abort(tx); 1712fa9e4066Sahrens return; 1713fa9e4066Sahrens } 1714fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1715fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1716fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1717fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1718fa9e4066Sahrens if (error) { 1719fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1720fa9e4066Sahrens osname, object, error); 1721fa9e4066Sahrens } 1722fa9e4066Sahrens dmu_tx_commit(tx); 1723fa9e4066Sahrens } 1724fa9e4066Sahrens 1725fa9e4066Sahrens /* 1726fa9e4066Sahrens * Create a new batch of objects with randomly chosen 1727fa9e4066Sahrens * blocksizes and record them in the batch directory. 1728fa9e4066Sahrens */ 1729fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1730fa9e4066Sahrens uint32_t va_blksize; 1731fa9e4066Sahrens u_longlong_t va_nblocks; 1732fa9e4066Sahrens 1733fa9e4066Sahrens tx = dmu_tx_create(os); 1734fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, b * sizeof (uint64_t), 1735fa9e4066Sahrens sizeof (uint64_t)); 1736fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1737fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, endoff, 1738fa9e4066Sahrens sizeof (uint64_t)); 1739fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1740fa9e4066Sahrens if (error) { 1741fa9e4066Sahrens ztest_record_enospc("create batchobj"); 1742fa9e4066Sahrens dmu_tx_abort(tx); 1743fa9e4066Sahrens return; 1744fa9e4066Sahrens } 1745fa9e4066Sahrens bonuslen = (int)ztest_random(dmu_bonus_max()) + 1; 1746fa9e4066Sahrens 1747fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1748fa9e4066Sahrens DMU_OT_PLAIN_OTHER, bonuslen, tx); 1749fa9e4066Sahrens 1750fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1751fa9e4066Sahrens 1752fa9e4066Sahrens dmu_object_set_checksum(os, object, 1753fa9e4066Sahrens ztest_random_checksum(), tx); 1754fa9e4066Sahrens dmu_object_set_compress(os, object, 1755fa9e4066Sahrens ztest_random_compress(), tx); 1756fa9e4066Sahrens 1757fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1758fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1759fa9e4066Sahrens 1760fa9e4066Sahrens /* 1761fa9e4066Sahrens * Write to both the bonus buffer and the regular data. 1762fa9e4066Sahrens */ 1763e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, object, FTAG, &db) == 0); 1764e05725b1Sbonwick za->za_dbuf = db; 17651934e92fSmaybee ASSERT3U(bonuslen, <=, db->db_size); 1766fa9e4066Sahrens 1767fa9e4066Sahrens dmu_object_size_from_db(db, &va_blksize, &va_nblocks); 1768fa9e4066Sahrens ASSERT3S(va_nblocks, >=, 0); 1769fa9e4066Sahrens 1770fa9e4066Sahrens dmu_buf_will_dirty(db, tx); 1771fa9e4066Sahrens 1772fa9e4066Sahrens /* 1773fa9e4066Sahrens * See comments above regarding the contents of 1774fa9e4066Sahrens * the bonus buffer and the word at endoff. 1775fa9e4066Sahrens */ 17761934e92fSmaybee for (c = 0; c < bonuslen; c++) 1777fa9e4066Sahrens ((uint8_t *)db->db_data)[c] = (uint8_t)(c + bonuslen); 1778fa9e4066Sahrens 1779ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1780e05725b1Sbonwick za->za_dbuf = NULL; 1781fa9e4066Sahrens 1782fa9e4066Sahrens /* 1783fa9e4066Sahrens * Write to a large offset to increase indirection. 1784fa9e4066Sahrens */ 1785fa9e4066Sahrens dmu_write(os, object, endoff, sizeof (uint64_t), &object, tx); 1786fa9e4066Sahrens 1787fa9e4066Sahrens dmu_tx_commit(tx); 1788fa9e4066Sahrens } 1789fa9e4066Sahrens } 1790fa9e4066Sahrens 1791fa9e4066Sahrens /* 1792fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 1793fa9e4066Sahrens */ 1794fa9e4066Sahrens typedef struct bufwad { 1795fa9e4066Sahrens uint64_t bw_index; 1796fa9e4066Sahrens uint64_t bw_txg; 1797fa9e4066Sahrens uint64_t bw_data; 1798fa9e4066Sahrens } bufwad_t; 1799fa9e4066Sahrens 1800fa9e4066Sahrens typedef struct dmu_read_write_dir { 1801fa9e4066Sahrens uint64_t dd_packobj; 1802fa9e4066Sahrens uint64_t dd_bigobj; 1803fa9e4066Sahrens uint64_t dd_chunk; 1804fa9e4066Sahrens } dmu_read_write_dir_t; 1805fa9e4066Sahrens 1806fa9e4066Sahrens void 1807fa9e4066Sahrens ztest_dmu_read_write(ztest_args_t *za) 1808fa9e4066Sahrens { 1809fa9e4066Sahrens objset_t *os = za->za_os; 1810fa9e4066Sahrens dmu_read_write_dir_t dd; 1811fa9e4066Sahrens dmu_tx_t *tx; 1812fa9e4066Sahrens int i, freeit, error; 1813fa9e4066Sahrens uint64_t n, s, txg; 1814fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 1815fa9e4066Sahrens uint64_t packoff, packsize, bigoff, bigsize; 1816fa9e4066Sahrens uint64_t regions = 997; 1817fa9e4066Sahrens uint64_t stride = 123456789ULL; 1818fa9e4066Sahrens uint64_t width = 40; 1819fa9e4066Sahrens int free_percent = 5; 1820fa9e4066Sahrens 1821fa9e4066Sahrens /* 1822fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 1823fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 1824fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 1825fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 1826fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 1827fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 1828fa9e4066Sahrens * 1829fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 1830fa9e4066Sahrens * bigobj, at the head of the nth chunk 1831fa9e4066Sahrens * bigobj, at the tail of the nth chunk 1832fa9e4066Sahrens * 1833fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 1834fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 1835fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 1836fa9e4066Sahrens * 1837fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 1838fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 1839fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 1840fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 1841fa9e4066Sahrens * tracking which parts of an object are allocated and free, 1842fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 1843fa9e4066Sahrens */ 1844fa9e4066Sahrens 1845fa9e4066Sahrens /* 1846fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 1847fa9e4066Sahrens */ 1848ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 1849*7bfdf011SNeil Perrin sizeof (dd), &dd, DMU_READ_PREFETCH)); 1850fa9e4066Sahrens if (dd.dd_chunk == 0) { 1851fa9e4066Sahrens ASSERT(dd.dd_packobj == 0); 1852fa9e4066Sahrens ASSERT(dd.dd_bigobj == 0); 1853fa9e4066Sahrens tx = dmu_tx_create(os); 1854fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (dd)); 1855fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1856fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1857fa9e4066Sahrens if (error) { 1858fa9e4066Sahrens ztest_record_enospc("create r/w directory"); 1859fa9e4066Sahrens dmu_tx_abort(tx); 1860fa9e4066Sahrens return; 1861fa9e4066Sahrens } 1862fa9e4066Sahrens 1863fa9e4066Sahrens dd.dd_packobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1864fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1865fa9e4066Sahrens dd.dd_bigobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1866fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1867fa9e4066Sahrens dd.dd_chunk = (1000 + ztest_random(1000)) * sizeof (uint64_t); 1868fa9e4066Sahrens 1869fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_packobj, tx); 1870fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_bigobj, tx); 1871fa9e4066Sahrens 1872fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (dd), &dd, 1873fa9e4066Sahrens tx); 1874fa9e4066Sahrens dmu_tx_commit(tx); 1875fa9e4066Sahrens } 1876fa9e4066Sahrens 1877fa9e4066Sahrens /* 1878fa9e4066Sahrens * Prefetch a random chunk of the big object. 1879fa9e4066Sahrens * Our aim here is to get some async reads in flight 1880fa9e4066Sahrens * for blocks that we may free below; the DMU should 1881fa9e4066Sahrens * handle this race correctly. 1882fa9e4066Sahrens */ 1883fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 1884fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 1885fa9e4066Sahrens dmu_prefetch(os, dd.dd_bigobj, n * dd.dd_chunk, s * dd.dd_chunk); 1886fa9e4066Sahrens 1887fa9e4066Sahrens /* 1888fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 1889fa9e4066Sahrens */ 1890fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 1891fa9e4066Sahrens s = 1 + ztest_random(width - 1); 1892fa9e4066Sahrens 1893fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 1894fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 1895fa9e4066Sahrens 1896fa9e4066Sahrens bigoff = n * dd.dd_chunk; 1897fa9e4066Sahrens bigsize = s * dd.dd_chunk; 1898fa9e4066Sahrens 1899fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 1900fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 1901fa9e4066Sahrens 1902fa9e4066Sahrens /* 1903fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 1904fa9e4066Sahrens * overwriting it. 1905fa9e4066Sahrens */ 1906fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 1907fa9e4066Sahrens 1908fa9e4066Sahrens /* 1909fa9e4066Sahrens * Read the current contents of our objects. 1910fa9e4066Sahrens */ 1911*7bfdf011SNeil Perrin error = dmu_read(os, dd.dd_packobj, packoff, packsize, packbuf, 1912*7bfdf011SNeil Perrin DMU_READ_PREFETCH); 1913ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 1914*7bfdf011SNeil Perrin error = dmu_read(os, dd.dd_bigobj, bigoff, bigsize, bigbuf, 1915*7bfdf011SNeil Perrin DMU_READ_PREFETCH); 1916ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 1917fa9e4066Sahrens 1918fa9e4066Sahrens /* 1919fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 1920fa9e4066Sahrens */ 1921fa9e4066Sahrens tx = dmu_tx_create(os); 1922fa9e4066Sahrens 1923fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_packobj, packoff, packsize); 1924fa9e4066Sahrens 1925fa9e4066Sahrens if (freeit) 1926fa9e4066Sahrens dmu_tx_hold_free(tx, dd.dd_bigobj, bigoff, bigsize); 1927fa9e4066Sahrens else 1928fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_bigobj, bigoff, bigsize); 1929fa9e4066Sahrens 1930fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1931fa9e4066Sahrens 1932fa9e4066Sahrens if (error) { 1933fa9e4066Sahrens ztest_record_enospc("dmu r/w range"); 1934fa9e4066Sahrens dmu_tx_abort(tx); 1935fa9e4066Sahrens umem_free(packbuf, packsize); 1936fa9e4066Sahrens umem_free(bigbuf, bigsize); 1937fa9e4066Sahrens return; 1938fa9e4066Sahrens } 1939fa9e4066Sahrens 1940fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 1941fa9e4066Sahrens 1942fa9e4066Sahrens /* 1943fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 1944fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 1945fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 1946fa9e4066Sahrens * with the new values we want to write out. 1947fa9e4066Sahrens */ 1948fa9e4066Sahrens for (i = 0; i < s; i++) { 1949fa9e4066Sahrens /* LINTED */ 1950fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 1951fa9e4066Sahrens /* LINTED */ 1952fa9e4066Sahrens bigH = (bufwad_t *)((char *)bigbuf + i * dd.dd_chunk); 1953fa9e4066Sahrens /* LINTED */ 1954fa9e4066Sahrens bigT = (bufwad_t *)((char *)bigH + dd.dd_chunk) - 1; 1955fa9e4066Sahrens 1956fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 1957fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 1958fa9e4066Sahrens 1959fa9e4066Sahrens if (pack->bw_txg > txg) 1960fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 1961fa9e4066Sahrens pack->bw_txg, txg); 1962fa9e4066Sahrens 1963fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 1964fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 1965fa9e4066Sahrens pack->bw_index, n, i); 1966fa9e4066Sahrens 1967fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 1968fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 1969fa9e4066Sahrens 1970fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 1971fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 1972fa9e4066Sahrens 1973fa9e4066Sahrens if (freeit) { 1974fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 1975fa9e4066Sahrens } else { 1976fa9e4066Sahrens pack->bw_index = n + i; 1977fa9e4066Sahrens pack->bw_txg = txg; 1978fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 1979fa9e4066Sahrens } 1980fa9e4066Sahrens *bigH = *pack; 1981fa9e4066Sahrens *bigT = *pack; 1982fa9e4066Sahrens } 1983fa9e4066Sahrens 1984fa9e4066Sahrens /* 1985fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 1986fa9e4066Sahrens * Now write them out. 1987fa9e4066Sahrens */ 1988fa9e4066Sahrens dmu_write(os, dd.dd_packobj, packoff, packsize, packbuf, tx); 1989fa9e4066Sahrens 1990fa9e4066Sahrens if (freeit) { 1991fa9e4066Sahrens if (zopt_verbose >= 6) { 1992fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 1993fa9e4066Sahrens " txg %llx\n", 1994fa9e4066Sahrens (u_longlong_t)bigoff, 1995fa9e4066Sahrens (u_longlong_t)bigsize, 1996fa9e4066Sahrens (u_longlong_t)txg); 1997fa9e4066Sahrens } 1998ea8dc4b6Seschrock VERIFY(0 == dmu_free_range(os, dd.dd_bigobj, bigoff, 1999ea8dc4b6Seschrock bigsize, tx)); 2000fa9e4066Sahrens } else { 2001fa9e4066Sahrens if (zopt_verbose >= 6) { 2002fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 2003fa9e4066Sahrens " txg %llx\n", 2004fa9e4066Sahrens (u_longlong_t)bigoff, 2005fa9e4066Sahrens (u_longlong_t)bigsize, 2006fa9e4066Sahrens (u_longlong_t)txg); 2007fa9e4066Sahrens } 2008fa9e4066Sahrens dmu_write(os, dd.dd_bigobj, bigoff, bigsize, bigbuf, tx); 2009fa9e4066Sahrens } 2010fa9e4066Sahrens 2011fa9e4066Sahrens dmu_tx_commit(tx); 2012fa9e4066Sahrens 2013fa9e4066Sahrens /* 2014fa9e4066Sahrens * Sanity check the stuff we just wrote. 2015fa9e4066Sahrens */ 2016fa9e4066Sahrens { 2017fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 2018fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 2019fa9e4066Sahrens 2020ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, dd.dd_packobj, packoff, 2021*7bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 2022ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, dd.dd_bigobj, bigoff, 2023*7bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 2024fa9e4066Sahrens 2025fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 2026fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 2027fa9e4066Sahrens 2028fa9e4066Sahrens umem_free(packcheck, packsize); 2029fa9e4066Sahrens umem_free(bigcheck, bigsize); 2030fa9e4066Sahrens } 2031fa9e4066Sahrens 2032fa9e4066Sahrens umem_free(packbuf, packsize); 2033fa9e4066Sahrens umem_free(bigbuf, bigsize); 2034fa9e4066Sahrens } 2035fa9e4066Sahrens 20362fdbea25SAleksandr Guzovskiy void 20372fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(uint64_t s, bufwad_t *packbuf, bufwad_t *bigbuf, 20382fdbea25SAleksandr Guzovskiy uint64_t bigsize, uint64_t n, dmu_read_write_dir_t dd, uint64_t txg) 20392fdbea25SAleksandr Guzovskiy { 20402fdbea25SAleksandr Guzovskiy uint64_t i; 20412fdbea25SAleksandr Guzovskiy bufwad_t *pack; 20422fdbea25SAleksandr Guzovskiy bufwad_t *bigH; 20432fdbea25SAleksandr Guzovskiy bufwad_t *bigT; 20442fdbea25SAleksandr Guzovskiy 20452fdbea25SAleksandr Guzovskiy /* 20462fdbea25SAleksandr Guzovskiy * For each index from n to n + s, verify that the existing bufwad 20472fdbea25SAleksandr Guzovskiy * in packobj matches the bufwads at the head and tail of the 20482fdbea25SAleksandr Guzovskiy * corresponding chunk in bigobj. Then update all three bufwads 20492fdbea25SAleksandr Guzovskiy * with the new values we want to write out. 20502fdbea25SAleksandr Guzovskiy */ 20512fdbea25SAleksandr Guzovskiy for (i = 0; i < s; i++) { 20522fdbea25SAleksandr Guzovskiy /* LINTED */ 20532fdbea25SAleksandr Guzovskiy pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 20542fdbea25SAleksandr Guzovskiy /* LINTED */ 20552fdbea25SAleksandr Guzovskiy bigH = (bufwad_t *)((char *)bigbuf + i * dd.dd_chunk); 20562fdbea25SAleksandr Guzovskiy /* LINTED */ 20572fdbea25SAleksandr Guzovskiy bigT = (bufwad_t *)((char *)bigH + dd.dd_chunk) - 1; 20582fdbea25SAleksandr Guzovskiy 20592fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 20602fdbea25SAleksandr Guzovskiy ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 20612fdbea25SAleksandr Guzovskiy 20622fdbea25SAleksandr Guzovskiy if (pack->bw_txg > txg) 20632fdbea25SAleksandr Guzovskiy fatal(0, "future leak: got %llx, open txg is %llx", 20642fdbea25SAleksandr Guzovskiy pack->bw_txg, txg); 20652fdbea25SAleksandr Guzovskiy 20662fdbea25SAleksandr Guzovskiy if (pack->bw_data != 0 && pack->bw_index != n + i) 20672fdbea25SAleksandr Guzovskiy fatal(0, "wrong index: got %llx, wanted %llx+%llx", 20682fdbea25SAleksandr Guzovskiy pack->bw_index, n, i); 20692fdbea25SAleksandr Guzovskiy 20702fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 20712fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 20722fdbea25SAleksandr Guzovskiy 20732fdbea25SAleksandr Guzovskiy if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 20742fdbea25SAleksandr Guzovskiy fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 20752fdbea25SAleksandr Guzovskiy 20762fdbea25SAleksandr Guzovskiy pack->bw_index = n + i; 20772fdbea25SAleksandr Guzovskiy pack->bw_txg = txg; 20782fdbea25SAleksandr Guzovskiy pack->bw_data = 1 + ztest_random(-2ULL); 20792fdbea25SAleksandr Guzovskiy 20802fdbea25SAleksandr Guzovskiy *bigH = *pack; 20812fdbea25SAleksandr Guzovskiy *bigT = *pack; 20822fdbea25SAleksandr Guzovskiy } 20832fdbea25SAleksandr Guzovskiy } 20842fdbea25SAleksandr Guzovskiy 20852fdbea25SAleksandr Guzovskiy void 20862fdbea25SAleksandr Guzovskiy ztest_dmu_read_write_zcopy(ztest_args_t *za) 20872fdbea25SAleksandr Guzovskiy { 20882fdbea25SAleksandr Guzovskiy objset_t *os = za->za_os; 20892fdbea25SAleksandr Guzovskiy dmu_read_write_dir_t dd; 20902fdbea25SAleksandr Guzovskiy dmu_tx_t *tx; 20912fdbea25SAleksandr Guzovskiy uint64_t i; 20922fdbea25SAleksandr Guzovskiy int error; 20932fdbea25SAleksandr Guzovskiy uint64_t n, s, txg; 20942fdbea25SAleksandr Guzovskiy bufwad_t *packbuf, *bigbuf; 20952fdbea25SAleksandr Guzovskiy uint64_t packoff, packsize, bigoff, bigsize; 20962fdbea25SAleksandr Guzovskiy uint64_t regions = 997; 20972fdbea25SAleksandr Guzovskiy uint64_t stride = 123456789ULL; 20982fdbea25SAleksandr Guzovskiy uint64_t width = 9; 20992fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 21002fdbea25SAleksandr Guzovskiy arc_buf_t **bigbuf_arcbufs; 21012fdbea25SAleksandr Guzovskiy dmu_object_info_t *doi = &za->za_doi; 21022fdbea25SAleksandr Guzovskiy 21032fdbea25SAleksandr Guzovskiy /* 21042fdbea25SAleksandr Guzovskiy * This test uses two objects, packobj and bigobj, that are always 21052fdbea25SAleksandr Guzovskiy * updated together (i.e. in the same tx) so that their contents are 21062fdbea25SAleksandr Guzovskiy * in sync and can be compared. Their contents relate to each other 21072fdbea25SAleksandr Guzovskiy * in a simple way: packobj is a dense array of 'bufwad' structures, 21082fdbea25SAleksandr Guzovskiy * while bigobj is a sparse array of the same bufwads. Specifically, 21092fdbea25SAleksandr Guzovskiy * for any index n, there are three bufwads that should be identical: 21102fdbea25SAleksandr Guzovskiy * 21112fdbea25SAleksandr Guzovskiy * packobj, at offset n * sizeof (bufwad_t) 21122fdbea25SAleksandr Guzovskiy * bigobj, at the head of the nth chunk 21132fdbea25SAleksandr Guzovskiy * bigobj, at the tail of the nth chunk 21142fdbea25SAleksandr Guzovskiy * 21152fdbea25SAleksandr Guzovskiy * The chunk size is set equal to bigobj block size so that 21162fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() can be tested for object updates. 21172fdbea25SAleksandr Guzovskiy */ 21182fdbea25SAleksandr Guzovskiy 21192fdbea25SAleksandr Guzovskiy /* 21202fdbea25SAleksandr Guzovskiy * Read the directory info. If it's the first time, set things up. 21212fdbea25SAleksandr Guzovskiy */ 21222fdbea25SAleksandr Guzovskiy VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 2123*7bfdf011SNeil Perrin sizeof (dd), &dd, DMU_READ_PREFETCH)); 21242fdbea25SAleksandr Guzovskiy if (dd.dd_chunk == 0) { 21252fdbea25SAleksandr Guzovskiy ASSERT(dd.dd_packobj == 0); 21262fdbea25SAleksandr Guzovskiy ASSERT(dd.dd_bigobj == 0); 21272fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 21282fdbea25SAleksandr Guzovskiy dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (dd)); 21292fdbea25SAleksandr Guzovskiy dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 21302fdbea25SAleksandr Guzovskiy error = dmu_tx_assign(tx, TXG_WAIT); 21312fdbea25SAleksandr Guzovskiy if (error) { 21322fdbea25SAleksandr Guzovskiy ztest_record_enospc("create r/w directory"); 21332fdbea25SAleksandr Guzovskiy dmu_tx_abort(tx); 21342fdbea25SAleksandr Guzovskiy return; 21352fdbea25SAleksandr Guzovskiy } 21362fdbea25SAleksandr Guzovskiy 21372fdbea25SAleksandr Guzovskiy dd.dd_packobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 21382fdbea25SAleksandr Guzovskiy DMU_OT_NONE, 0, tx); 21392fdbea25SAleksandr Guzovskiy dd.dd_bigobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 21402fdbea25SAleksandr Guzovskiy DMU_OT_NONE, 0, tx); 21412fdbea25SAleksandr Guzovskiy ztest_set_random_blocksize(os, dd.dd_packobj, tx); 21422fdbea25SAleksandr Guzovskiy ztest_set_random_blocksize(os, dd.dd_bigobj, tx); 21432fdbea25SAleksandr Guzovskiy 21442fdbea25SAleksandr Guzovskiy VERIFY(dmu_object_info(os, dd.dd_bigobj, doi) == 0); 21452fdbea25SAleksandr Guzovskiy ASSERT(doi->doi_data_block_size >= 2 * sizeof (bufwad_t)); 21462fdbea25SAleksandr Guzovskiy ASSERT(ISP2(doi->doi_data_block_size)); 21472fdbea25SAleksandr Guzovskiy dd.dd_chunk = doi->doi_data_block_size; 21482fdbea25SAleksandr Guzovskiy 21492fdbea25SAleksandr Guzovskiy dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (dd), &dd, 21502fdbea25SAleksandr Guzovskiy tx); 21512fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 21522fdbea25SAleksandr Guzovskiy } else { 21532fdbea25SAleksandr Guzovskiy VERIFY(dmu_object_info(os, dd.dd_bigobj, doi) == 0); 21542fdbea25SAleksandr Guzovskiy VERIFY(ISP2(doi->doi_data_block_size)); 21552fdbea25SAleksandr Guzovskiy VERIFY(dd.dd_chunk == doi->doi_data_block_size); 21562fdbea25SAleksandr Guzovskiy VERIFY(dd.dd_chunk >= 2 * sizeof (bufwad_t)); 21572fdbea25SAleksandr Guzovskiy } 21582fdbea25SAleksandr Guzovskiy 21592fdbea25SAleksandr Guzovskiy /* 21602fdbea25SAleksandr Guzovskiy * Pick a random index and compute the offsets into packobj and bigobj. 21612fdbea25SAleksandr Guzovskiy */ 21622fdbea25SAleksandr Guzovskiy n = ztest_random(regions) * stride + ztest_random(width); 21632fdbea25SAleksandr Guzovskiy s = 1 + ztest_random(width - 1); 21642fdbea25SAleksandr Guzovskiy 21652fdbea25SAleksandr Guzovskiy packoff = n * sizeof (bufwad_t); 21662fdbea25SAleksandr Guzovskiy packsize = s * sizeof (bufwad_t); 21672fdbea25SAleksandr Guzovskiy 21682fdbea25SAleksandr Guzovskiy bigoff = n * dd.dd_chunk; 21692fdbea25SAleksandr Guzovskiy bigsize = s * dd.dd_chunk; 21702fdbea25SAleksandr Guzovskiy 21712fdbea25SAleksandr Guzovskiy packbuf = umem_zalloc(packsize, UMEM_NOFAIL); 21722fdbea25SAleksandr Guzovskiy bigbuf = umem_zalloc(bigsize, UMEM_NOFAIL); 21732fdbea25SAleksandr Guzovskiy 21742fdbea25SAleksandr Guzovskiy VERIFY(dmu_bonus_hold(os, dd.dd_bigobj, FTAG, &bonus_db) == 0); 21752fdbea25SAleksandr Guzovskiy 21762fdbea25SAleksandr Guzovskiy bigbuf_arcbufs = umem_zalloc(2 * s * sizeof (arc_buf_t *), UMEM_NOFAIL); 21772fdbea25SAleksandr Guzovskiy 21782fdbea25SAleksandr Guzovskiy /* 21792fdbea25SAleksandr Guzovskiy * Iteration 0 test zcopy for DB_UNCACHED dbufs. 21802fdbea25SAleksandr Guzovskiy * Iteration 1 test zcopy to already referenced dbufs. 21812fdbea25SAleksandr Guzovskiy * Iteration 2 test zcopy to dirty dbuf in the same txg. 21822fdbea25SAleksandr Guzovskiy * Iteration 3 test zcopy to dbuf dirty in previous txg. 21832fdbea25SAleksandr Guzovskiy * Iteration 4 test zcopy when dbuf is no longer dirty. 21842fdbea25SAleksandr Guzovskiy * Iteration 5 test zcopy when it can't be done. 21852fdbea25SAleksandr Guzovskiy * Iteration 6 one more zcopy write. 21862fdbea25SAleksandr Guzovskiy */ 21872fdbea25SAleksandr Guzovskiy for (i = 0; i < 7; i++) { 21882fdbea25SAleksandr Guzovskiy uint64_t j; 21892fdbea25SAleksandr Guzovskiy uint64_t off; 21902fdbea25SAleksandr Guzovskiy 21912fdbea25SAleksandr Guzovskiy /* 21922fdbea25SAleksandr Guzovskiy * In iteration 5 (i == 5) use arcbufs 21932fdbea25SAleksandr Guzovskiy * that don't match bigobj blksz to test 21942fdbea25SAleksandr Guzovskiy * dmu_assign_arcbuf() when it can't directly 21952fdbea25SAleksandr Guzovskiy * assign an arcbuf to a dbuf. 21962fdbea25SAleksandr Guzovskiy */ 21972fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 21982fdbea25SAleksandr Guzovskiy if (i != 5) { 21992fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j] = 22002fdbea25SAleksandr Guzovskiy dmu_request_arcbuf(bonus_db, 22012fdbea25SAleksandr Guzovskiy dd.dd_chunk); 22022fdbea25SAleksandr Guzovskiy } else { 22032fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j] = 22042fdbea25SAleksandr Guzovskiy dmu_request_arcbuf(bonus_db, 22052fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2); 22062fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1] = 22072fdbea25SAleksandr Guzovskiy dmu_request_arcbuf(bonus_db, 22082fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2); 22092fdbea25SAleksandr Guzovskiy } 22102fdbea25SAleksandr Guzovskiy } 22112fdbea25SAleksandr Guzovskiy 22122fdbea25SAleksandr Guzovskiy /* 22132fdbea25SAleksandr Guzovskiy * Get a tx for the mods to both packobj and bigobj. 22142fdbea25SAleksandr Guzovskiy */ 22152fdbea25SAleksandr Guzovskiy tx = dmu_tx_create(os); 22162fdbea25SAleksandr Guzovskiy 22172fdbea25SAleksandr Guzovskiy dmu_tx_hold_write(tx, dd.dd_packobj, packoff, packsize); 22182fdbea25SAleksandr Guzovskiy dmu_tx_hold_write(tx, dd.dd_bigobj, bigoff, bigsize); 22192fdbea25SAleksandr Guzovskiy 22202fdbea25SAleksandr Guzovskiy if (ztest_random(100) == 0) { 22212fdbea25SAleksandr Guzovskiy error = -1; 22222fdbea25SAleksandr Guzovskiy } else { 22232fdbea25SAleksandr Guzovskiy error = dmu_tx_assign(tx, TXG_WAIT); 22242fdbea25SAleksandr Guzovskiy } 22252fdbea25SAleksandr Guzovskiy 22262fdbea25SAleksandr Guzovskiy if (error) { 22272fdbea25SAleksandr Guzovskiy if (error != -1) { 22282fdbea25SAleksandr Guzovskiy ztest_record_enospc("dmu r/w range"); 22292fdbea25SAleksandr Guzovskiy } 22302fdbea25SAleksandr Guzovskiy dmu_tx_abort(tx); 22312fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 22322fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 22332fdbea25SAleksandr Guzovskiy for (j = 0; j < s; j++) { 22342fdbea25SAleksandr Guzovskiy if (i != 5) { 22352fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(bigbuf_arcbufs[j]); 22362fdbea25SAleksandr Guzovskiy } else { 22372fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 22382fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]); 22392fdbea25SAleksandr Guzovskiy dmu_return_arcbuf( 22402fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]); 22412fdbea25SAleksandr Guzovskiy } 22422fdbea25SAleksandr Guzovskiy } 22432fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 22442fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 22452fdbea25SAleksandr Guzovskiy return; 22462fdbea25SAleksandr Guzovskiy } 22472fdbea25SAleksandr Guzovskiy 22482fdbea25SAleksandr Guzovskiy txg = dmu_tx_get_txg(tx); 22492fdbea25SAleksandr Guzovskiy 22502fdbea25SAleksandr Guzovskiy /* 22512fdbea25SAleksandr Guzovskiy * 50% of the time don't read objects in the 1st iteration to 22522fdbea25SAleksandr Guzovskiy * test dmu_assign_arcbuf() for the case when there're no 22532fdbea25SAleksandr Guzovskiy * existing dbufs for the specified offsets. 22542fdbea25SAleksandr Guzovskiy */ 22552fdbea25SAleksandr Guzovskiy if (i != 0 || ztest_random(2) != 0) { 22562fdbea25SAleksandr Guzovskiy error = dmu_read(os, dd.dd_packobj, packoff, 2257*7bfdf011SNeil Perrin packsize, packbuf, DMU_READ_PREFETCH); 22582fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 22592fdbea25SAleksandr Guzovskiy error = dmu_read(os, dd.dd_bigobj, bigoff, bigsize, 2260*7bfdf011SNeil Perrin bigbuf, DMU_READ_PREFETCH); 22612fdbea25SAleksandr Guzovskiy ASSERT3U(error, ==, 0); 22622fdbea25SAleksandr Guzovskiy } 22632fdbea25SAleksandr Guzovskiy compare_and_update_pbbufs(s, packbuf, bigbuf, bigsize, 22642fdbea25SAleksandr Guzovskiy n, dd, txg); 22652fdbea25SAleksandr Guzovskiy 22662fdbea25SAleksandr Guzovskiy /* 22672fdbea25SAleksandr Guzovskiy * We've verified all the old bufwads, and made new ones. 22682fdbea25SAleksandr Guzovskiy * Now write them out. 22692fdbea25SAleksandr Guzovskiy */ 22702fdbea25SAleksandr Guzovskiy dmu_write(os, dd.dd_packobj, packoff, packsize, packbuf, tx); 22712fdbea25SAleksandr Guzovskiy if (zopt_verbose >= 6) { 22722fdbea25SAleksandr Guzovskiy (void) printf("writing offset %llx size %llx" 22732fdbea25SAleksandr Guzovskiy " txg %llx\n", 22742fdbea25SAleksandr Guzovskiy (u_longlong_t)bigoff, 22752fdbea25SAleksandr Guzovskiy (u_longlong_t)bigsize, 22762fdbea25SAleksandr Guzovskiy (u_longlong_t)txg); 22772fdbea25SAleksandr Guzovskiy } 22782fdbea25SAleksandr Guzovskiy for (off = bigoff, j = 0; j < s; j++, off += dd.dd_chunk) { 22792fdbea25SAleksandr Guzovskiy dmu_buf_t *dbt; 22802fdbea25SAleksandr Guzovskiy if (i != 5) { 22812fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 22822fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j]->b_data, dd.dd_chunk); 22832fdbea25SAleksandr Guzovskiy } else { 22842fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff), 22852fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j]->b_data, 22862fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2); 22872fdbea25SAleksandr Guzovskiy bcopy((caddr_t)bigbuf + (off - bigoff) + 22882fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2, 22892fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1]->b_data, 22902fdbea25SAleksandr Guzovskiy dd.dd_chunk / 2); 22912fdbea25SAleksandr Guzovskiy } 22922fdbea25SAleksandr Guzovskiy 22932fdbea25SAleksandr Guzovskiy if (i == 1) { 22942fdbea25SAleksandr Guzovskiy VERIFY(dmu_buf_hold(os, dd.dd_bigobj, off, 22952fdbea25SAleksandr Guzovskiy FTAG, &dbt) == 0); 22962fdbea25SAleksandr Guzovskiy } 22972fdbea25SAleksandr Guzovskiy if (i != 5) { 22982fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 22992fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[j], tx); 23002fdbea25SAleksandr Guzovskiy } else { 23012fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, 23022fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j], tx); 23032fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, 23042fdbea25SAleksandr Guzovskiy off + dd.dd_chunk / 2, 23052fdbea25SAleksandr Guzovskiy bigbuf_arcbufs[2 * j + 1], tx); 23062fdbea25SAleksandr Guzovskiy } 23072fdbea25SAleksandr Guzovskiy if (i == 1) { 23082fdbea25SAleksandr Guzovskiy dmu_buf_rele(dbt, FTAG); 23092fdbea25SAleksandr Guzovskiy } 23102fdbea25SAleksandr Guzovskiy } 23112fdbea25SAleksandr Guzovskiy dmu_tx_commit(tx); 23122fdbea25SAleksandr Guzovskiy 23132fdbea25SAleksandr Guzovskiy /* 23142fdbea25SAleksandr Guzovskiy * Sanity check the stuff we just wrote. 23152fdbea25SAleksandr Guzovskiy */ 23162fdbea25SAleksandr Guzovskiy { 23172fdbea25SAleksandr Guzovskiy void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 23182fdbea25SAleksandr Guzovskiy void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 23192fdbea25SAleksandr Guzovskiy 23202fdbea25SAleksandr Guzovskiy VERIFY(0 == dmu_read(os, dd.dd_packobj, packoff, 2321*7bfdf011SNeil Perrin packsize, packcheck, DMU_READ_PREFETCH)); 23222fdbea25SAleksandr Guzovskiy VERIFY(0 == dmu_read(os, dd.dd_bigobj, bigoff, 2323*7bfdf011SNeil Perrin bigsize, bigcheck, DMU_READ_PREFETCH)); 23242fdbea25SAleksandr Guzovskiy 23252fdbea25SAleksandr Guzovskiy ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 23262fdbea25SAleksandr Guzovskiy ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 23272fdbea25SAleksandr Guzovskiy 23282fdbea25SAleksandr Guzovskiy umem_free(packcheck, packsize); 23292fdbea25SAleksandr Guzovskiy umem_free(bigcheck, bigsize); 23302fdbea25SAleksandr Guzovskiy } 23312fdbea25SAleksandr Guzovskiy if (i == 2) { 23322fdbea25SAleksandr Guzovskiy txg_wait_open(dmu_objset_pool(os), 0); 23332fdbea25SAleksandr Guzovskiy } else if (i == 3) { 23342fdbea25SAleksandr Guzovskiy txg_wait_synced(dmu_objset_pool(os), 0); 23352fdbea25SAleksandr Guzovskiy } 23362fdbea25SAleksandr Guzovskiy } 23372fdbea25SAleksandr Guzovskiy 23382fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 23392fdbea25SAleksandr Guzovskiy umem_free(packbuf, packsize); 23402fdbea25SAleksandr Guzovskiy umem_free(bigbuf, bigsize); 23412fdbea25SAleksandr Guzovskiy umem_free(bigbuf_arcbufs, 2 * s * sizeof (arc_buf_t *)); 23422fdbea25SAleksandr Guzovskiy } 23432fdbea25SAleksandr Guzovskiy 23444d31c452Smaybee void 2345e05725b1Sbonwick ztest_dmu_check_future_leak(ztest_args_t *za) 23464d31c452Smaybee { 2347e05725b1Sbonwick objset_t *os = za->za_os; 23484d31c452Smaybee dmu_buf_t *db; 2349e05725b1Sbonwick ztest_block_tag_t *bt; 2350e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 23514d31c452Smaybee 23524d31c452Smaybee /* 23534d31c452Smaybee * Make sure that, if there is a write record in the bonus buffer 23544d31c452Smaybee * of the ZTEST_DIROBJ, that the txg for this record is <= the 23554d31c452Smaybee * last synced txg of the pool. 23564d31c452Smaybee */ 2357e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &db) == 0); 2358e05725b1Sbonwick za->za_dbuf = db; 2359e05725b1Sbonwick VERIFY(dmu_object_info(os, ZTEST_DIROBJ, doi) == 0); 2360e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, >=, sizeof (*bt)); 2361e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, <=, db->db_size); 2362e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size % sizeof (*bt), ==, 0); 2363e05725b1Sbonwick bt = (void *)((char *)db->db_data + doi->doi_bonus_size - sizeof (*bt)); 2364e05725b1Sbonwick if (bt->bt_objset != 0) { 2365e05725b1Sbonwick ASSERT3U(bt->bt_objset, ==, dmu_objset_id(os)); 2366e05725b1Sbonwick ASSERT3U(bt->bt_object, ==, ZTEST_DIROBJ); 2367e05725b1Sbonwick ASSERT3U(bt->bt_offset, ==, -1ULL); 2368e05725b1Sbonwick ASSERT3U(bt->bt_txg, <, spa_first_txg(za->za_spa)); 23694d31c452Smaybee } 23704d31c452Smaybee dmu_buf_rele(db, FTAG); 2371e05725b1Sbonwick za->za_dbuf = NULL; 23724d31c452Smaybee } 23734d31c452Smaybee 2374fa9e4066Sahrens void 2375fa9e4066Sahrens ztest_dmu_write_parallel(ztest_args_t *za) 2376fa9e4066Sahrens { 2377fa9e4066Sahrens objset_t *os = za->za_os; 2378e05725b1Sbonwick ztest_block_tag_t *rbt = &za->za_rbt; 2379e05725b1Sbonwick ztest_block_tag_t *wbt = &za->za_wbt; 2380e05725b1Sbonwick const size_t btsize = sizeof (ztest_block_tag_t); 2381fa9e4066Sahrens dmu_buf_t *db; 2382e05725b1Sbonwick int b, error; 2383e05725b1Sbonwick int bs = ZTEST_DIROBJ_BLOCKSIZE; 2384e05725b1Sbonwick int do_free = 0; 2385f4a72450SJeff Bonwick uint64_t off, txg, txg_how; 2386fa9e4066Sahrens mutex_t *lp; 2387fa9e4066Sahrens char osname[MAXNAMELEN]; 2388fa9e4066Sahrens char iobuf[SPA_MAXBLOCKSIZE]; 2389e05725b1Sbonwick blkptr_t blk = { 0 }; 2390e05725b1Sbonwick uint64_t blkoff; 2391e05725b1Sbonwick zbookmark_t zb; 2392e05725b1Sbonwick dmu_tx_t *tx = dmu_tx_create(os); 23932fdbea25SAleksandr Guzovskiy dmu_buf_t *bonus_db; 23942fdbea25SAleksandr Guzovskiy arc_buf_t *abuf = NULL; 2395fa9e4066Sahrens 2396fa9e4066Sahrens dmu_objset_name(os, osname); 2397fa9e4066Sahrens 2398fa9e4066Sahrens /* 2399fa9e4066Sahrens * Have multiple threads write to large offsets in ZTEST_DIROBJ 2400fa9e4066Sahrens * to verify that having multiple threads writing to the same object 2401fa9e4066Sahrens * in parallel doesn't cause any trouble. 2402fa9e4066Sahrens */ 2403e05725b1Sbonwick if (ztest_random(4) == 0) { 2404e05725b1Sbonwick /* 2405e05725b1Sbonwick * Do the bonus buffer instead of a regular block. 2406e05725b1Sbonwick * We need a lock to serialize resize vs. others, 2407e05725b1Sbonwick * so we hash on the objset ID. 2408e05725b1Sbonwick */ 2409e05725b1Sbonwick b = dmu_objset_id(os) % ZTEST_SYNC_LOCKS; 2410e05725b1Sbonwick off = -1ULL; 2411e05725b1Sbonwick dmu_tx_hold_bonus(tx, ZTEST_DIROBJ); 2412e05725b1Sbonwick } else { 2413fa9e4066Sahrens b = ztest_random(ZTEST_SYNC_LOCKS); 2414e05725b1Sbonwick off = za->za_diroff_shared + (b << SPA_MAXBLOCKSHIFT); 2415fa9e4066Sahrens if (ztest_random(4) == 0) { 2416e05725b1Sbonwick do_free = 1; 2417fa9e4066Sahrens dmu_tx_hold_free(tx, ZTEST_DIROBJ, off, bs); 2418e05725b1Sbonwick } else { 2419fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, off, bs); 2420e05725b1Sbonwick } 2421e05725b1Sbonwick } 2422fa9e4066Sahrens 24232fdbea25SAleksandr Guzovskiy if (off != -1ULL && P2PHASE(off, bs) == 0 && !do_free && 24242fdbea25SAleksandr Guzovskiy ztest_random(8) == 0) { 24252fdbea25SAleksandr Guzovskiy VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &bonus_db) == 0); 24262fdbea25SAleksandr Guzovskiy abuf = dmu_request_arcbuf(bonus_db, bs); 24272fdbea25SAleksandr Guzovskiy } 24282fdbea25SAleksandr Guzovskiy 2429e05725b1Sbonwick txg_how = ztest_random(2) == 0 ? TXG_WAIT : TXG_NOWAIT; 2430e05725b1Sbonwick error = dmu_tx_assign(tx, txg_how); 2431e05725b1Sbonwick if (error) { 2432e05725b1Sbonwick if (error == ERESTART) { 2433e05725b1Sbonwick ASSERT(txg_how == TXG_NOWAIT); 2434e05725b1Sbonwick dmu_tx_wait(tx); 2435e05725b1Sbonwick } else { 2436fa9e4066Sahrens ztest_record_enospc("dmu write parallel"); 2437fa9e4066Sahrens } 2438e05725b1Sbonwick dmu_tx_abort(tx); 24392fdbea25SAleksandr Guzovskiy if (abuf != NULL) { 24402fdbea25SAleksandr Guzovskiy dmu_return_arcbuf(abuf); 24412fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 24422fdbea25SAleksandr Guzovskiy } 2443e05725b1Sbonwick return; 2444e05725b1Sbonwick } 2445f4a72450SJeff Bonwick txg = dmu_tx_get_txg(tx); 2446fa9e4066Sahrens 2447e05725b1Sbonwick lp = &ztest_shared->zs_sync_lock[b]; 2448e05725b1Sbonwick (void) mutex_lock(lp); 2449e05725b1Sbonwick 2450e05725b1Sbonwick wbt->bt_objset = dmu_objset_id(os); 2451e05725b1Sbonwick wbt->bt_object = ZTEST_DIROBJ; 2452e05725b1Sbonwick wbt->bt_offset = off; 2453f4a72450SJeff Bonwick wbt->bt_txg = txg; 2454e05725b1Sbonwick wbt->bt_thread = za->za_instance; 2455e05725b1Sbonwick wbt->bt_seq = ztest_shared->zs_seq[b]++; /* protected by lp */ 2456e05725b1Sbonwick 2457f4a72450SJeff Bonwick /* 2458f4a72450SJeff Bonwick * Occasionally, write an all-zero block to test the behavior 2459f4a72450SJeff Bonwick * of blocks that compress into holes. 2460f4a72450SJeff Bonwick */ 2461f4a72450SJeff Bonwick if (off != -1ULL && ztest_random(8) == 0) 2462f4a72450SJeff Bonwick bzero(wbt, btsize); 2463f4a72450SJeff Bonwick 2464e05725b1Sbonwick if (off == -1ULL) { 2465e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 2466e05725b1Sbonwick char *dboff; 2467e05725b1Sbonwick 2468e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &db) == 0); 2469e05725b1Sbonwick za->za_dbuf = db; 2470e05725b1Sbonwick dmu_object_info_from_db(db, doi); 2471e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, <=, db->db_size); 2472e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, >=, btsize); 2473e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size % btsize, ==, 0); 2474e05725b1Sbonwick dboff = (char *)db->db_data + doi->doi_bonus_size - btsize; 2475e05725b1Sbonwick bcopy(dboff, rbt, btsize); 2476e05725b1Sbonwick if (rbt->bt_objset != 0) { 2477e05725b1Sbonwick ASSERT3U(rbt->bt_objset, ==, wbt->bt_objset); 2478e05725b1Sbonwick ASSERT3U(rbt->bt_object, ==, wbt->bt_object); 2479e05725b1Sbonwick ASSERT3U(rbt->bt_offset, ==, wbt->bt_offset); 2480e05725b1Sbonwick ASSERT3U(rbt->bt_txg, <=, wbt->bt_txg); 2481fa9e4066Sahrens } 2482e05725b1Sbonwick if (ztest_random(10) == 0) { 2483e05725b1Sbonwick int newsize = (ztest_random(db->db_size / 2484e05725b1Sbonwick btsize) + 1) * btsize; 2485e05725b1Sbonwick 2486e05725b1Sbonwick ASSERT3U(newsize, >=, btsize); 2487e05725b1Sbonwick ASSERT3U(newsize, <=, db->db_size); 2488e05725b1Sbonwick VERIFY3U(dmu_set_bonus(db, newsize, tx), ==, 0); 2489e05725b1Sbonwick dboff = (char *)db->db_data + newsize - btsize; 2490fa9e4066Sahrens } 2491e05725b1Sbonwick dmu_buf_will_dirty(db, tx); 2492e05725b1Sbonwick bcopy(wbt, dboff, btsize); 2493e05725b1Sbonwick dmu_buf_rele(db, FTAG); 2494e05725b1Sbonwick za->za_dbuf = NULL; 2495e05725b1Sbonwick } else if (do_free) { 2496e05725b1Sbonwick VERIFY(dmu_free_range(os, ZTEST_DIROBJ, off, bs, tx) == 0); 24972fdbea25SAleksandr Guzovskiy } else if (abuf == NULL) { 2498e05725b1Sbonwick dmu_write(os, ZTEST_DIROBJ, off, btsize, wbt, tx); 24992fdbea25SAleksandr Guzovskiy } else { 25002fdbea25SAleksandr Guzovskiy bcopy(wbt, abuf->b_data, btsize); 25012fdbea25SAleksandr Guzovskiy dmu_assign_arcbuf(bonus_db, off, abuf, tx); 25022fdbea25SAleksandr Guzovskiy dmu_buf_rele(bonus_db, FTAG); 2503e05725b1Sbonwick } 2504e05725b1Sbonwick 2505e05725b1Sbonwick (void) mutex_unlock(lp); 2506e05725b1Sbonwick 2507e05725b1Sbonwick if (ztest_random(1000) == 0) 2508e05725b1Sbonwick (void) poll(NULL, 0, 1); /* open dn_notxholds window */ 2509e05725b1Sbonwick 2510e05725b1Sbonwick dmu_tx_commit(tx); 2511e05725b1Sbonwick 2512e05725b1Sbonwick if (ztest_random(10000) == 0) 2513f4a72450SJeff Bonwick txg_wait_synced(dmu_objset_pool(os), txg); 2514fa9e4066Sahrens 2515e14bb325SJeff Bonwick if (off == -1ULL || do_free) 2516e05725b1Sbonwick return; 2517fa9e4066Sahrens 2518e05725b1Sbonwick if (ztest_random(2) != 0) 2519e05725b1Sbonwick return; 2520fa9e4066Sahrens 2521e05725b1Sbonwick /* 2522e05725b1Sbonwick * dmu_sync() the block we just wrote. 2523e05725b1Sbonwick */ 2524e05725b1Sbonwick (void) mutex_lock(lp); 2525fa9e4066Sahrens 2526e05725b1Sbonwick blkoff = P2ALIGN_TYPED(off, bs, uint64_t); 2527e05725b1Sbonwick error = dmu_buf_hold(os, ZTEST_DIROBJ, blkoff, FTAG, &db); 2528e05725b1Sbonwick za->za_dbuf = db; 2529e05725b1Sbonwick if (error) { 2530fa9e4066Sahrens (void) mutex_unlock(lp); 2531e05725b1Sbonwick return; 2532e05725b1Sbonwick } 2533e05725b1Sbonwick blkoff = off - blkoff; 2534f4a72450SJeff Bonwick error = dmu_sync(NULL, db, &blk, txg, NULL, NULL); 2535e05725b1Sbonwick dmu_buf_rele(db, FTAG); 2536e05725b1Sbonwick za->za_dbuf = NULL; 2537fa9e4066Sahrens 25382fdbea25SAleksandr Guzovskiy if (error) { 25392fdbea25SAleksandr Guzovskiy (void) mutex_unlock(lp); 2540e05725b1Sbonwick return; 25412fdbea25SAleksandr Guzovskiy } 2542fa9e4066Sahrens 25432fdbea25SAleksandr Guzovskiy if (blk.blk_birth == 0) { /* concurrent free */ 25442fdbea25SAleksandr Guzovskiy (void) mutex_unlock(lp); 2545e05725b1Sbonwick return; 25462fdbea25SAleksandr Guzovskiy } 2547fa9e4066Sahrens 2548e05725b1Sbonwick txg_suspend(dmu_objset_pool(os)); 2549fa9e4066Sahrens 25502fdbea25SAleksandr Guzovskiy (void) mutex_unlock(lp); 25512fdbea25SAleksandr Guzovskiy 2552e05725b1Sbonwick ASSERT(blk.blk_fill == 1); 2553e05725b1Sbonwick ASSERT3U(BP_GET_TYPE(&blk), ==, DMU_OT_UINT64_OTHER); 2554e05725b1Sbonwick ASSERT3U(BP_GET_LEVEL(&blk), ==, 0); 2555e05725b1Sbonwick ASSERT3U(BP_GET_LSIZE(&blk), ==, bs); 2556fa9e4066Sahrens 2557e05725b1Sbonwick /* 2558e05725b1Sbonwick * Read the block that dmu_sync() returned to make sure its contents 2559e05725b1Sbonwick * match what we wrote. We do this while still txg_suspend()ed 2560e05725b1Sbonwick * to ensure that the block can't be reused before we read it. 2561e05725b1Sbonwick */ 2562e05725b1Sbonwick zb.zb_objset = dmu_objset_id(os); 2563e05725b1Sbonwick zb.zb_object = ZTEST_DIROBJ; 2564e05725b1Sbonwick zb.zb_level = 0; 2565e05725b1Sbonwick zb.zb_blkid = off / bs; 2566e05725b1Sbonwick error = zio_wait(zio_read(NULL, za->za_spa, &blk, iobuf, bs, 2567e05725b1Sbonwick NULL, NULL, ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_MUSTSUCCEED, &zb)); 2568e05725b1Sbonwick ASSERT3U(error, ==, 0); 2569fa9e4066Sahrens 2570e05725b1Sbonwick txg_resume(dmu_objset_pool(os)); 2571fa9e4066Sahrens 2572e05725b1Sbonwick bcopy(&iobuf[blkoff], rbt, btsize); 2573fa9e4066Sahrens 2574e05725b1Sbonwick if (rbt->bt_objset == 0) /* concurrent free */ 2575e05725b1Sbonwick return; 25760e34b6a7Sbonwick 2577f4a72450SJeff Bonwick if (wbt->bt_objset == 0) /* all-zero overwrite */ 2578f4a72450SJeff Bonwick return; 2579f4a72450SJeff Bonwick 2580e05725b1Sbonwick ASSERT3U(rbt->bt_objset, ==, wbt->bt_objset); 2581e05725b1Sbonwick ASSERT3U(rbt->bt_object, ==, wbt->bt_object); 2582e05725b1Sbonwick ASSERT3U(rbt->bt_offset, ==, wbt->bt_offset); 2583fa9e4066Sahrens 2584e05725b1Sbonwick /* 2585e05725b1Sbonwick * The semantic of dmu_sync() is that we always push the most recent 2586e05725b1Sbonwick * version of the data, so in the face of concurrent updates we may 2587e05725b1Sbonwick * see a newer version of the block. That's OK. 2588e05725b1Sbonwick */ 2589e05725b1Sbonwick ASSERT3U(rbt->bt_txg, >=, wbt->bt_txg); 2590e05725b1Sbonwick if (rbt->bt_thread == wbt->bt_thread) 2591e05725b1Sbonwick ASSERT3U(rbt->bt_seq, ==, wbt->bt_seq); 2592e05725b1Sbonwick else 2593e05725b1Sbonwick ASSERT3U(rbt->bt_seq, >, wbt->bt_seq); 2594fa9e4066Sahrens } 2595fa9e4066Sahrens 2596fa9e4066Sahrens /* 2597fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 2598fa9e4066Sahrens */ 2599fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 2600fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 2601fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 2602fa9e4066Sahrens 2603fa9e4066Sahrens void 2604fa9e4066Sahrens ztest_zap(ztest_args_t *za) 2605fa9e4066Sahrens { 2606fa9e4066Sahrens objset_t *os = za->za_os; 2607fa9e4066Sahrens uint64_t object; 2608fa9e4066Sahrens uint64_t txg, last_txg; 2609fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 2610fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 2611fa9e4066Sahrens int i, ints; 2612fa9e4066Sahrens dmu_tx_t *tx; 2613fa9e4066Sahrens char propname[100], txgname[100]; 2614fa9e4066Sahrens int error; 2615fa9e4066Sahrens char osname[MAXNAMELEN]; 2616fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 2617fa9e4066Sahrens 2618fa9e4066Sahrens dmu_objset_name(os, osname); 2619fa9e4066Sahrens 2620fa9e4066Sahrens /* 2621fa9e4066Sahrens * Create a new object if necessary, and record it in the directory. 2622fa9e4066Sahrens */ 2623ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 2624*7bfdf011SNeil Perrin sizeof (uint64_t), &object, DMU_READ_PREFETCH)); 2625fa9e4066Sahrens 2626fa9e4066Sahrens if (object == 0) { 2627fa9e4066Sahrens tx = dmu_tx_create(os); 2628fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 2629fa9e4066Sahrens sizeof (uint64_t)); 2630ea8dc4b6Seschrock dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, TRUE, NULL); 2631fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2632fa9e4066Sahrens if (error) { 2633fa9e4066Sahrens ztest_record_enospc("create zap test obj"); 2634fa9e4066Sahrens dmu_tx_abort(tx); 2635fa9e4066Sahrens return; 2636fa9e4066Sahrens } 2637fa9e4066Sahrens object = zap_create(os, DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx); 2638fa9e4066Sahrens if (error) { 2639fa9e4066Sahrens fatal(0, "zap_create('%s', %llu) = %d", 2640fa9e4066Sahrens osname, object, error); 2641fa9e4066Sahrens } 2642fa9e4066Sahrens ASSERT(object != 0); 2643fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 2644fa9e4066Sahrens sizeof (uint64_t), &object, tx); 2645fa9e4066Sahrens /* 2646fa9e4066Sahrens * Generate a known hash collision, and verify that 2647fa9e4066Sahrens * we can lookup and remove both entries. 2648fa9e4066Sahrens */ 2649fa9e4066Sahrens for (i = 0; i < 2; i++) { 2650fa9e4066Sahrens value[i] = i; 2651fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2652fa9e4066Sahrens 1, &value[i], tx); 2653fa9e4066Sahrens ASSERT3U(error, ==, 0); 2654fa9e4066Sahrens } 2655fa9e4066Sahrens for (i = 0; i < 2; i++) { 2656fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2657fa9e4066Sahrens 1, &value[i], tx); 2658fa9e4066Sahrens ASSERT3U(error, ==, EEXIST); 2659fa9e4066Sahrens error = zap_length(os, object, hc[i], 2660fa9e4066Sahrens &zl_intsize, &zl_ints); 2661fa9e4066Sahrens ASSERT3U(error, ==, 0); 2662fa9e4066Sahrens ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2663fa9e4066Sahrens ASSERT3U(zl_ints, ==, 1); 2664fa9e4066Sahrens } 2665fa9e4066Sahrens for (i = 0; i < 2; i++) { 2666fa9e4066Sahrens error = zap_remove(os, object, hc[i], tx); 2667fa9e4066Sahrens ASSERT3U(error, ==, 0); 2668fa9e4066Sahrens } 2669fa9e4066Sahrens 2670fa9e4066Sahrens dmu_tx_commit(tx); 2671fa9e4066Sahrens } 2672fa9e4066Sahrens 2673fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 2674fa9e4066Sahrens 2675e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2676e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2677e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2678e05725b1Sbonwick bzero(value, sizeof (value)); 2679e05725b1Sbonwick last_txg = 0; 2680fa9e4066Sahrens 2681e05725b1Sbonwick /* 2682e05725b1Sbonwick * If these zap entries already exist, validate their contents. 2683e05725b1Sbonwick */ 2684e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2685e05725b1Sbonwick if (error == 0) { 2686e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2687e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 2688fa9e4066Sahrens 2689e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 2690e05725b1Sbonwick zl_ints, &last_txg) == 0); 2691fa9e4066Sahrens 2692e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 2693e05725b1Sbonwick &zl_ints) == 0); 2694fa9e4066Sahrens 2695e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2696e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 2697fa9e4066Sahrens 2698e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 2699e05725b1Sbonwick zl_ints, value) == 0); 2700fa9e4066Sahrens 2701e05725b1Sbonwick for (i = 0; i < ints; i++) { 2702e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 2703fa9e4066Sahrens } 2704e05725b1Sbonwick } else { 2705e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 2706e05725b1Sbonwick } 2707fa9e4066Sahrens 2708e05725b1Sbonwick /* 2709e05725b1Sbonwick * Atomically update two entries in our zap object. 2710e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 2711e05725b1Sbonwick * in which the property was last updated. The second 2712e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 2713e05725b1Sbonwick * should be txg + object + n. 2714e05725b1Sbonwick */ 2715e05725b1Sbonwick tx = dmu_tx_create(os); 2716e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2717e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2718e05725b1Sbonwick if (error) { 2719e05725b1Sbonwick ztest_record_enospc("create zap entry"); 2720e05725b1Sbonwick dmu_tx_abort(tx); 2721e05725b1Sbonwick return; 2722e05725b1Sbonwick } 2723e05725b1Sbonwick txg = dmu_tx_get_txg(tx); 2724fa9e4066Sahrens 2725e05725b1Sbonwick if (last_txg > txg) 2726e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 2727fa9e4066Sahrens 2728e05725b1Sbonwick for (i = 0; i < ints; i++) 2729e05725b1Sbonwick value[i] = txg + object + i; 2730fa9e4066Sahrens 2731e05725b1Sbonwick error = zap_update(os, object, txgname, sizeof (uint64_t), 1, &txg, tx); 2732e05725b1Sbonwick if (error) 2733e05725b1Sbonwick fatal(0, "zap_update('%s', %llu, '%s') = %d", 2734e05725b1Sbonwick osname, object, txgname, error); 2735fa9e4066Sahrens 2736e05725b1Sbonwick error = zap_update(os, object, propname, sizeof (uint64_t), 2737e05725b1Sbonwick ints, value, tx); 2738e05725b1Sbonwick if (error) 2739e05725b1Sbonwick fatal(0, "zap_update('%s', %llu, '%s') = %d", 2740e05725b1Sbonwick osname, object, propname, error); 2741fa9e4066Sahrens 2742e05725b1Sbonwick dmu_tx_commit(tx); 2743fa9e4066Sahrens 2744e05725b1Sbonwick /* 2745e05725b1Sbonwick * Remove a random pair of entries. 2746e05725b1Sbonwick */ 2747e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2748e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2749e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2750fa9e4066Sahrens 2751e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2752fa9e4066Sahrens 2753e05725b1Sbonwick if (error == ENOENT) 2754e05725b1Sbonwick return; 2755fa9e4066Sahrens 2756e05725b1Sbonwick ASSERT3U(error, ==, 0); 2757fa9e4066Sahrens 2758e05725b1Sbonwick tx = dmu_tx_create(os); 2759e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2760e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2761e05725b1Sbonwick if (error) { 2762e05725b1Sbonwick ztest_record_enospc("remove zap entry"); 2763e05725b1Sbonwick dmu_tx_abort(tx); 2764e05725b1Sbonwick return; 2765e05725b1Sbonwick } 2766e05725b1Sbonwick error = zap_remove(os, object, txgname, tx); 2767e05725b1Sbonwick if (error) 2768e05725b1Sbonwick fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2769e05725b1Sbonwick osname, object, txgname, error); 2770fa9e4066Sahrens 2771e05725b1Sbonwick error = zap_remove(os, object, propname, tx); 2772e05725b1Sbonwick if (error) 2773e05725b1Sbonwick fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2774e05725b1Sbonwick osname, object, propname, error); 2775fa9e4066Sahrens 2776e05725b1Sbonwick dmu_tx_commit(tx); 2777fa9e4066Sahrens 2778fa9e4066Sahrens /* 2779fa9e4066Sahrens * Once in a while, destroy the object. 2780fa9e4066Sahrens */ 2781e05725b1Sbonwick if (ztest_random(1000) != 0) 2782fa9e4066Sahrens return; 2783fa9e4066Sahrens 2784fa9e4066Sahrens tx = dmu_tx_create(os); 2785fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t)); 2786fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 2787fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2788fa9e4066Sahrens if (error) { 2789fa9e4066Sahrens ztest_record_enospc("destroy zap object"); 2790fa9e4066Sahrens dmu_tx_abort(tx); 2791fa9e4066Sahrens return; 2792fa9e4066Sahrens } 2793fa9e4066Sahrens error = zap_destroy(os, object, tx); 2794fa9e4066Sahrens if (error) 2795fa9e4066Sahrens fatal(0, "zap_destroy('%s', %llu) = %d", 2796fa9e4066Sahrens osname, object, error); 2797fa9e4066Sahrens object = 0; 2798fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), 2799fa9e4066Sahrens &object, tx); 2800fa9e4066Sahrens dmu_tx_commit(tx); 2801fa9e4066Sahrens } 2802fa9e4066Sahrens 2803fa9e4066Sahrens void 2804fa9e4066Sahrens ztest_zap_parallel(ztest_args_t *za) 2805fa9e4066Sahrens { 2806fa9e4066Sahrens objset_t *os = za->za_os; 2807fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 2808fa9e4066Sahrens dmu_tx_t *tx; 2809fa9e4066Sahrens int i, namelen, error; 2810fa9e4066Sahrens char name[20], string_value[20]; 2811fa9e4066Sahrens void *data; 2812fa9e4066Sahrens 2813e05725b1Sbonwick /* 2814e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 2815e05725b1Sbonwick * x is a random printable character and the dots are dots. 2816e05725b1Sbonwick * There are 94 such characters, and the name length goes from 2817e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 2818e05725b1Sbonwick */ 2819e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 2820fa9e4066Sahrens 2821e05725b1Sbonwick for (i = 0; i < 3; i++) 2822e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 2823e05725b1Sbonwick for (; i < namelen - 1; i++) 2824e05725b1Sbonwick name[i] = '.'; 2825e05725b1Sbonwick name[i] = '\0'; 2826fa9e4066Sahrens 2827e05725b1Sbonwick if (ztest_random(2) == 0) 2828e05725b1Sbonwick object = ZTEST_MICROZAP_OBJ; 2829e05725b1Sbonwick else 2830e05725b1Sbonwick object = ZTEST_FATZAP_OBJ; 2831fa9e4066Sahrens 2832e05725b1Sbonwick if ((namelen & 1) || object == ZTEST_MICROZAP_OBJ) { 2833e05725b1Sbonwick wsize = sizeof (txg); 2834e05725b1Sbonwick wc = 1; 2835e05725b1Sbonwick data = &txg; 2836e05725b1Sbonwick } else { 2837e05725b1Sbonwick wsize = 1; 2838e05725b1Sbonwick wc = namelen; 2839e05725b1Sbonwick data = string_value; 2840e05725b1Sbonwick } 2841fa9e4066Sahrens 2842e05725b1Sbonwick count = -1ULL; 2843e05725b1Sbonwick VERIFY(zap_count(os, object, &count) == 0); 2844e05725b1Sbonwick ASSERT(count != -1ULL); 2845fa9e4066Sahrens 2846e05725b1Sbonwick /* 2847e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 2848e05725b1Sbonwick */ 2849e05725b1Sbonwick i = ztest_random(5); 2850e05725b1Sbonwick 2851e05725b1Sbonwick if (i >= 2) { 2852e05725b1Sbonwick tx = dmu_tx_create(os); 2853e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2854e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2855e05725b1Sbonwick if (error) { 2856e05725b1Sbonwick ztest_record_enospc("zap parallel"); 2857e05725b1Sbonwick dmu_tx_abort(tx); 2858e05725b1Sbonwick return; 2859fa9e4066Sahrens } 2860e05725b1Sbonwick txg = dmu_tx_get_txg(tx); 2861e05725b1Sbonwick bcopy(name, string_value, namelen); 2862e05725b1Sbonwick } else { 2863e05725b1Sbonwick tx = NULL; 2864e05725b1Sbonwick txg = 0; 2865e05725b1Sbonwick bzero(string_value, namelen); 2866e05725b1Sbonwick } 2867fa9e4066Sahrens 2868e05725b1Sbonwick switch (i) { 2869fa9e4066Sahrens 2870e05725b1Sbonwick case 0: 2871e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 2872e05725b1Sbonwick if (error == 0) { 2873e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 2874e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 2875e05725b1Sbonwick } else { 2876e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 2877e05725b1Sbonwick } 2878e05725b1Sbonwick break; 2879fa9e4066Sahrens 2880e05725b1Sbonwick case 1: 2881e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 2882e05725b1Sbonwick if (error == 0) { 2883e05725b1Sbonwick if (data == string_value && 2884e05725b1Sbonwick bcmp(name, data, namelen) != 0) 2885e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 2886e05725b1Sbonwick name, data, namelen); 2887e05725b1Sbonwick } else { 2888e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 2889e05725b1Sbonwick } 2890e05725b1Sbonwick break; 2891fa9e4066Sahrens 2892e05725b1Sbonwick case 2: 2893e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 2894e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 2895e05725b1Sbonwick break; 2896fa9e4066Sahrens 2897e05725b1Sbonwick case 3: 2898e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 2899e05725b1Sbonwick break; 2900fa9e4066Sahrens 2901e05725b1Sbonwick case 4: 2902e05725b1Sbonwick error = zap_remove(os, object, name, tx); 2903e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 2904e05725b1Sbonwick break; 2905fa9e4066Sahrens } 2906e05725b1Sbonwick 2907e05725b1Sbonwick if (tx != NULL) 2908e05725b1Sbonwick dmu_tx_commit(tx); 2909fa9e4066Sahrens } 2910fa9e4066Sahrens 2911fa9e4066Sahrens void 2912fa9e4066Sahrens ztest_dsl_prop_get_set(ztest_args_t *za) 2913fa9e4066Sahrens { 2914fa9e4066Sahrens objset_t *os = za->za_os; 2915fa9e4066Sahrens int i, inherit; 2916fa9e4066Sahrens uint64_t value; 2917fa9e4066Sahrens const char *prop, *valname; 2918fa9e4066Sahrens char setpoint[MAXPATHLEN]; 2919fa9e4066Sahrens char osname[MAXNAMELEN]; 2920ea8dc4b6Seschrock int error; 2921fa9e4066Sahrens 2922fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 2923fa9e4066Sahrens 2924fa9e4066Sahrens dmu_objset_name(os, osname); 2925fa9e4066Sahrens 2926fa9e4066Sahrens for (i = 0; i < 2; i++) { 2927fa9e4066Sahrens if (i == 0) { 2928fa9e4066Sahrens prop = "checksum"; 2929fa9e4066Sahrens value = ztest_random_checksum(); 2930fa9e4066Sahrens inherit = (value == ZIO_CHECKSUM_INHERIT); 2931fa9e4066Sahrens } else { 2932fa9e4066Sahrens prop = "compression"; 2933fa9e4066Sahrens value = ztest_random_compress(); 2934fa9e4066Sahrens inherit = (value == ZIO_COMPRESS_INHERIT); 2935fa9e4066Sahrens } 2936fa9e4066Sahrens 2937ea8dc4b6Seschrock error = dsl_prop_set(osname, prop, sizeof (value), 2938ea8dc4b6Seschrock !inherit, &value); 2939ea8dc4b6Seschrock 2940ea8dc4b6Seschrock if (error == ENOSPC) { 2941ea8dc4b6Seschrock ztest_record_enospc("dsl_prop_set"); 2942ea8dc4b6Seschrock break; 2943ea8dc4b6Seschrock } 2944ea8dc4b6Seschrock 2945ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 2946fa9e4066Sahrens 2947fa9e4066Sahrens VERIFY3U(dsl_prop_get(osname, prop, sizeof (value), 2948fa9e4066Sahrens 1, &value, setpoint), ==, 0); 2949fa9e4066Sahrens 2950fa9e4066Sahrens if (i == 0) 2951fa9e4066Sahrens valname = zio_checksum_table[value].ci_name; 2952fa9e4066Sahrens else 2953fa9e4066Sahrens valname = zio_compress_table[value].ci_name; 2954fa9e4066Sahrens 2955fa9e4066Sahrens if (zopt_verbose >= 6) { 2956fa9e4066Sahrens (void) printf("%s %s = %s for '%s'\n", 2957fa9e4066Sahrens osname, prop, valname, setpoint); 2958fa9e4066Sahrens } 2959fa9e4066Sahrens } 2960fa9e4066Sahrens 2961fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 2962fa9e4066Sahrens } 2963fa9e4066Sahrens 2964fa9e4066Sahrens /* 2965fa9e4066Sahrens * Inject random faults into the on-disk data. 2966fa9e4066Sahrens */ 2967fa9e4066Sahrens void 2968fa9e4066Sahrens ztest_fault_inject(ztest_args_t *za) 2969fa9e4066Sahrens { 2970fa9e4066Sahrens int fd; 2971fa9e4066Sahrens uint64_t offset; 2972fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 2973fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 2974fa9e4066Sahrens uint64_t top, leaf; 2975fa9e4066Sahrens char path0[MAXPATHLEN]; 2976fa9e4066Sahrens char pathrand[MAXPATHLEN]; 2977fa9e4066Sahrens size_t fsize; 2978e05725b1Sbonwick spa_t *spa = za->za_spa; 2979fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 2980fa9e4066Sahrens int iters = 1000; 2981e14bb325SJeff Bonwick int maxfaults = zopt_maxfaults; 2982e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 2983ea8dc4b6Seschrock uint64_t guid0 = 0; 2984ea8dc4b6Seschrock 2985e14bb325SJeff Bonwick ASSERT(leaves >= 1); 2986fa9e4066Sahrens 2987fa9e4066Sahrens /* 2988e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 2989fa9e4066Sahrens */ 2990e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2991fa9e4066Sahrens 2992e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 2993e14bb325SJeff Bonwick /* 2994e14bb325SJeff Bonwick * Inject errors on a normal data device. 2995e14bb325SJeff Bonwick */ 2996e14bb325SJeff Bonwick top = ztest_random(spa->spa_root_vdev->vdev_children); 2997e14bb325SJeff Bonwick leaf = ztest_random(leaves); 2998fa9e4066Sahrens 2999e14bb325SJeff Bonwick /* 3000e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 3001e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 3002e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 3003e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 3004e14bb325SJeff Bonwick */ 3005e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 3006e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + 0); 3007e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 3008e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 3009fa9e4066Sahrens 3010e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 3011e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 3012e14bb325SJeff Bonwick /* 3013e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 3014e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 3015e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 3016e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 3017e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 3018e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 3019e14bb325SJeff Bonwick * combination of this with injection of random data 3020e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 3021e14bb325SJeff Bonwick */ 3022e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 3023e14bb325SJeff Bonwick 3024e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 3025e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 3026e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 3027e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 3028e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 3029e14bb325SJeff Bonwick } else { 3030e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 3031e14bb325SJeff Bonwick } 3032e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 3033e14bb325SJeff Bonwick } 3034e14bb325SJeff Bonwick } else { 3035e14bb325SJeff Bonwick /* 3036e14bb325SJeff Bonwick * Inject errors on an l2cache device. 3037e14bb325SJeff Bonwick */ 3038e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 3039fa9e4066Sahrens 3040e14bb325SJeff Bonwick if (sav->sav_count == 0) { 3041e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 3042e14bb325SJeff Bonwick return; 3043e14bb325SJeff Bonwick } 3044e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 3045ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 3046e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 3047e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 3048e14bb325SJeff Bonwick 3049e14bb325SJeff Bonwick leaf = 0; 3050e14bb325SJeff Bonwick leaves = 1; 3051e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 3052fa9e4066Sahrens } 3053fa9e4066Sahrens 3054e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 3055e14bb325SJeff Bonwick 3056e14bb325SJeff Bonwick if (maxfaults == 0) 3057e14bb325SJeff Bonwick return; 3058fa9e4066Sahrens 3059fa9e4066Sahrens /* 3060ea8dc4b6Seschrock * If we can tolerate two or more faults, randomly online/offline vd0. 3061fa9e4066Sahrens */ 3062e14bb325SJeff Bonwick if (maxfaults >= 2 && guid0 != 0) { 30638ad4d6ddSJeff Bonwick if (ztest_random(10) < 6) { 30648ad4d6ddSJeff Bonwick int flags = (ztest_random(2) == 0 ? 30658ad4d6ddSJeff Bonwick ZFS_OFFLINE_TEMPORARY : 0); 30668ad4d6ddSJeff Bonwick VERIFY(vdev_offline(spa, guid0, flags) != EBUSY); 30678ad4d6ddSJeff Bonwick } else { 30688ad4d6ddSJeff Bonwick (void) vdev_online(spa, guid0, 0, NULL); 30698ad4d6ddSJeff Bonwick } 3070fa9e4066Sahrens } 3071fa9e4066Sahrens 3072fa9e4066Sahrens /* 3073ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 3074fa9e4066Sahrens */ 3075fa9e4066Sahrens fd = open(pathrand, O_RDWR); 3076fa9e4066Sahrens 3077fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 3078fa9e4066Sahrens return; 3079fa9e4066Sahrens 3080fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 3081fa9e4066Sahrens 3082fa9e4066Sahrens while (--iters != 0) { 3083fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 3084fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 3085fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 3086fa9e4066Sahrens 3087fa9e4066Sahrens if (offset >= fsize) 3088fa9e4066Sahrens continue; 3089fa9e4066Sahrens 3090fa9e4066Sahrens if (zopt_verbose >= 6) 3091fa9e4066Sahrens (void) printf("injecting bad word into %s," 3092fa9e4066Sahrens " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 3093fa9e4066Sahrens 3094fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 3095fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 3096fa9e4066Sahrens offset, pathrand); 3097fa9e4066Sahrens } 3098fa9e4066Sahrens 3099fa9e4066Sahrens (void) close(fd); 3100fa9e4066Sahrens } 3101fa9e4066Sahrens 3102fa9e4066Sahrens /* 3103fa9e4066Sahrens * Scrub the pool. 3104fa9e4066Sahrens */ 3105fa9e4066Sahrens void 3106fa9e4066Sahrens ztest_scrub(ztest_args_t *za) 3107fa9e4066Sahrens { 3108e05725b1Sbonwick spa_t *spa = za->za_spa; 3109fa9e4066Sahrens 3110088f3894Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 3111fa9e4066Sahrens (void) poll(NULL, 0, 1000); /* wait a second, then force a restart */ 3112088f3894Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 3113fa9e4066Sahrens } 3114fa9e4066Sahrens 3115fa9e4066Sahrens /* 3116fa9e4066Sahrens * Rename the pool to a different name and then rename it back. 3117fa9e4066Sahrens */ 3118fa9e4066Sahrens void 3119fa9e4066Sahrens ztest_spa_rename(ztest_args_t *za) 3120fa9e4066Sahrens { 3121fa9e4066Sahrens char *oldname, *newname; 3122fa9e4066Sahrens int error; 3123fa9e4066Sahrens spa_t *spa; 3124fa9e4066Sahrens 3125fa9e4066Sahrens (void) rw_wrlock(&ztest_shared->zs_name_lock); 3126fa9e4066Sahrens 3127fa9e4066Sahrens oldname = za->za_pool; 3128fa9e4066Sahrens newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 3129fa9e4066Sahrens (void) strcpy(newname, oldname); 3130fa9e4066Sahrens (void) strcat(newname, "_tmp"); 3131fa9e4066Sahrens 3132fa9e4066Sahrens /* 3133fa9e4066Sahrens * Do the rename 3134fa9e4066Sahrens */ 3135fa9e4066Sahrens error = spa_rename(oldname, newname); 3136fa9e4066Sahrens if (error) 3137fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", oldname, 3138fa9e4066Sahrens newname, error); 3139fa9e4066Sahrens 3140fa9e4066Sahrens /* 3141fa9e4066Sahrens * Try to open it under the old name, which shouldn't exist 3142fa9e4066Sahrens */ 3143fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3144fa9e4066Sahrens if (error != ENOENT) 3145fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 3146fa9e4066Sahrens 3147fa9e4066Sahrens /* 3148fa9e4066Sahrens * Open it under the new name and make sure it's still the same spa_t. 3149fa9e4066Sahrens */ 3150fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 3151fa9e4066Sahrens if (error != 0) 3152fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3153fa9e4066Sahrens 3154e05725b1Sbonwick ASSERT(spa == za->za_spa); 3155fa9e4066Sahrens spa_close(spa, FTAG); 3156fa9e4066Sahrens 3157fa9e4066Sahrens /* 3158fa9e4066Sahrens * Rename it back to the original 3159fa9e4066Sahrens */ 3160fa9e4066Sahrens error = spa_rename(newname, oldname); 3161fa9e4066Sahrens if (error) 3162fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", newname, 3163fa9e4066Sahrens oldname, error); 3164fa9e4066Sahrens 3165fa9e4066Sahrens /* 3166fa9e4066Sahrens * Make sure it can still be opened 3167fa9e4066Sahrens */ 3168fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3169fa9e4066Sahrens if (error != 0) 3170fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 3171fa9e4066Sahrens 3172e05725b1Sbonwick ASSERT(spa == za->za_spa); 3173fa9e4066Sahrens spa_close(spa, FTAG); 3174fa9e4066Sahrens 3175fa9e4066Sahrens umem_free(newname, strlen(newname) + 1); 3176fa9e4066Sahrens 3177fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3178fa9e4066Sahrens } 3179fa9e4066Sahrens 3180fa9e4066Sahrens 3181fa9e4066Sahrens /* 3182fa9e4066Sahrens * Completely obliterate one disk. 3183fa9e4066Sahrens */ 3184fa9e4066Sahrens static void 3185fa9e4066Sahrens ztest_obliterate_one_disk(uint64_t vdev) 3186fa9e4066Sahrens { 3187fa9e4066Sahrens int fd; 3188d80c45e0Sbonwick char dev_name[MAXPATHLEN], copy_name[MAXPATHLEN]; 3189fa9e4066Sahrens size_t fsize; 3190fa9e4066Sahrens 3191fa9e4066Sahrens if (zopt_maxfaults < 2) 3192fa9e4066Sahrens return; 3193fa9e4066Sahrens 3194fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 3195d80c45e0Sbonwick (void) snprintf(copy_name, MAXPATHLEN, "%s.old", dev_name); 3196fa9e4066Sahrens 3197fa9e4066Sahrens fd = open(dev_name, O_RDWR); 3198fa9e4066Sahrens 3199fa9e4066Sahrens if (fd == -1) 3200fa9e4066Sahrens fatal(1, "can't open %s", dev_name); 3201fa9e4066Sahrens 3202fa9e4066Sahrens /* 3203fa9e4066Sahrens * Determine the size. 3204fa9e4066Sahrens */ 3205fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 3206d80c45e0Sbonwick 3207fa9e4066Sahrens (void) close(fd); 3208fa9e4066Sahrens 3209fa9e4066Sahrens /* 3210d80c45e0Sbonwick * Rename the old device to dev_name.old (useful for debugging). 3211fa9e4066Sahrens */ 3212d80c45e0Sbonwick VERIFY(rename(dev_name, copy_name) == 0); 3213fa9e4066Sahrens 3214fa9e4066Sahrens /* 3215fa9e4066Sahrens * Create a new one. 3216fa9e4066Sahrens */ 3217fa9e4066Sahrens VERIFY((fd = open(dev_name, O_RDWR | O_CREAT | O_TRUNC, 0666)) >= 0); 3218fa9e4066Sahrens VERIFY(ftruncate(fd, fsize) == 0); 3219fa9e4066Sahrens (void) close(fd); 3220fa9e4066Sahrens } 3221fa9e4066Sahrens 3222fa9e4066Sahrens static void 3223fa9e4066Sahrens ztest_replace_one_disk(spa_t *spa, uint64_t vdev) 3224fa9e4066Sahrens { 3225fa9e4066Sahrens char dev_name[MAXPATHLEN]; 3226e14bb325SJeff Bonwick nvlist_t *root; 3227fa9e4066Sahrens int error; 3228ea8dc4b6Seschrock uint64_t guid; 3229ea8dc4b6Seschrock vdev_t *vd; 3230fa9e4066Sahrens 3231fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 3232fa9e4066Sahrens 3233fa9e4066Sahrens /* 3234fa9e4066Sahrens * Build the nvlist describing dev_name. 3235fa9e4066Sahrens */ 3236e14bb325SJeff Bonwick root = make_vdev_root(dev_name, NULL, 0, 0, 0, 0, 0, 1); 3237fa9e4066Sahrens 3238e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 3239ea8dc4b6Seschrock if ((vd = vdev_lookup_by_path(spa->spa_root_vdev, dev_name)) == NULL) 3240ea8dc4b6Seschrock guid = 0; 3241ea8dc4b6Seschrock else 3242ea8dc4b6Seschrock guid = vd->vdev_guid; 3243e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 3244ea8dc4b6Seschrock error = spa_vdev_attach(spa, guid, root, B_TRUE); 3245ecc2d604Sbonwick if (error != 0 && 3246ecc2d604Sbonwick error != EBUSY && 3247ecc2d604Sbonwick error != ENOTSUP && 3248ecc2d604Sbonwick error != ENODEV && 3249ecc2d604Sbonwick error != EDOM) 3250fa9e4066Sahrens fatal(0, "spa_vdev_attach(in-place) = %d", error); 3251fa9e4066Sahrens 3252fa9e4066Sahrens nvlist_free(root); 3253fa9e4066Sahrens } 3254fa9e4066Sahrens 3255fa9e4066Sahrens static void 3256fa9e4066Sahrens ztest_verify_blocks(char *pool) 3257fa9e4066Sahrens { 3258fa9e4066Sahrens int status; 3259fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 3260fa9e4066Sahrens char zbuf[1024]; 3261fa9e4066Sahrens char *bin; 32628654d025Sperrin char *ztest; 32638654d025Sperrin char *isa; 32648654d025Sperrin int isalen; 3265fa9e4066Sahrens FILE *fp; 3266fa9e4066Sahrens 3267fa9e4066Sahrens (void) realpath(getexecname(), zdb); 3268fa9e4066Sahrens 3269fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 3270fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 32718654d025Sperrin ztest = strstr(bin, "/ztest"); 32728654d025Sperrin isa = bin + 8; 32738654d025Sperrin isalen = ztest - isa; 32748654d025Sperrin isa = strdup(isa); 3275fa9e4066Sahrens /* LINTED */ 32763a57275aSck (void) sprintf(bin, 32776365109dSVictor Latushkin "/usr/sbin%.*s/zdb -bcc%s%s -U /tmp/zpool.cache %s", 32788654d025Sperrin isalen, 32798654d025Sperrin isa, 3280fa9e4066Sahrens zopt_verbose >= 3 ? "s" : "", 3281fa9e4066Sahrens zopt_verbose >= 4 ? "v" : "", 328288b7b0f2SMatthew Ahrens pool); 32838654d025Sperrin free(isa); 3284fa9e4066Sahrens 3285fa9e4066Sahrens if (zopt_verbose >= 5) 3286fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 3287fa9e4066Sahrens 3288fa9e4066Sahrens fp = popen(zdb, "r"); 3289fa9e4066Sahrens 3290fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 3291fa9e4066Sahrens if (zopt_verbose >= 3) 3292fa9e4066Sahrens (void) printf("%s", zbuf); 3293fa9e4066Sahrens 3294fa9e4066Sahrens status = pclose(fp); 3295fa9e4066Sahrens 3296fa9e4066Sahrens if (status == 0) 3297fa9e4066Sahrens return; 3298fa9e4066Sahrens 3299fa9e4066Sahrens ztest_dump_core = 0; 3300fa9e4066Sahrens if (WIFEXITED(status)) 3301fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 3302fa9e4066Sahrens else 3303fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 3304fa9e4066Sahrens } 3305fa9e4066Sahrens 3306fa9e4066Sahrens static void 3307fa9e4066Sahrens ztest_walk_pool_directory(char *header) 3308fa9e4066Sahrens { 3309fa9e4066Sahrens spa_t *spa = NULL; 3310fa9e4066Sahrens 3311fa9e4066Sahrens if (zopt_verbose >= 6) 3312fa9e4066Sahrens (void) printf("%s\n", header); 3313fa9e4066Sahrens 3314fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 3315fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 3316fa9e4066Sahrens if (zopt_verbose >= 6) 3317fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 3318fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 3319fa9e4066Sahrens } 3320fa9e4066Sahrens 3321fa9e4066Sahrens static void 3322fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 3323fa9e4066Sahrens { 33248ad4d6ddSJeff Bonwick nvlist_t *config, *newconfig; 3325fa9e4066Sahrens uint64_t pool_guid; 3326fa9e4066Sahrens spa_t *spa; 3327fa9e4066Sahrens int error; 3328fa9e4066Sahrens 3329fa9e4066Sahrens if (zopt_verbose >= 4) { 3330fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 3331fa9e4066Sahrens oldname, newname); 3332fa9e4066Sahrens } 3333fa9e4066Sahrens 3334fa9e4066Sahrens /* 3335fa9e4066Sahrens * Clean up from previous runs. 3336fa9e4066Sahrens */ 3337fa9e4066Sahrens (void) spa_destroy(newname); 3338fa9e4066Sahrens 3339fa9e4066Sahrens /* 3340fa9e4066Sahrens * Get the pool's configuration and guid. 3341fa9e4066Sahrens */ 3342fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3343fa9e4066Sahrens if (error) 3344fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 3345fa9e4066Sahrens 33468ad4d6ddSJeff Bonwick /* 33478ad4d6ddSJeff Bonwick * Kick off a scrub to tickle scrub/export races. 33488ad4d6ddSJeff Bonwick */ 33498ad4d6ddSJeff Bonwick if (ztest_random(2) == 0) 33508ad4d6ddSJeff Bonwick (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 33518ad4d6ddSJeff Bonwick 3352fa9e4066Sahrens pool_guid = spa_guid(spa); 3353fa9e4066Sahrens spa_close(spa, FTAG); 3354fa9e4066Sahrens 3355fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 3356fa9e4066Sahrens 3357fa9e4066Sahrens /* 3358fa9e4066Sahrens * Export it. 3359fa9e4066Sahrens */ 3360394ab0cbSGeorge Wilson error = spa_export(oldname, &config, B_FALSE, B_FALSE); 3361fa9e4066Sahrens if (error) 3362fa9e4066Sahrens fatal(0, "spa_export('%s') = %d", oldname, error); 3363fa9e4066Sahrens 3364fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 3365fa9e4066Sahrens 33668ad4d6ddSJeff Bonwick /* 33678ad4d6ddSJeff Bonwick * Try to import it. 33688ad4d6ddSJeff Bonwick */ 33698ad4d6ddSJeff Bonwick newconfig = spa_tryimport(config); 33708ad4d6ddSJeff Bonwick ASSERT(newconfig != NULL); 33718ad4d6ddSJeff Bonwick nvlist_free(newconfig); 33728ad4d6ddSJeff Bonwick 3373fa9e4066Sahrens /* 3374fa9e4066Sahrens * Import it under the new name. 3375fa9e4066Sahrens */ 3376fa9e4066Sahrens error = spa_import(newname, config, NULL); 3377fa9e4066Sahrens if (error) 3378fa9e4066Sahrens fatal(0, "spa_import('%s') = %d", newname, error); 3379fa9e4066Sahrens 3380fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 3381fa9e4066Sahrens 3382fa9e4066Sahrens /* 3383fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 3384fa9e4066Sahrens */ 3385fa9e4066Sahrens error = spa_import(newname, config, NULL); 3386fa9e4066Sahrens if (error != EEXIST) 3387fa9e4066Sahrens fatal(0, "spa_import('%s') twice", newname); 3388fa9e4066Sahrens 3389fa9e4066Sahrens /* 3390fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 3391fa9e4066Sahrens */ 3392fa9e4066Sahrens error = spa_import(oldname, config, NULL); 3393fa9e4066Sahrens if (error != EEXIST) 3394fa9e4066Sahrens fatal(0, "spa_import('%s') under multiple names", newname); 3395fa9e4066Sahrens 3396fa9e4066Sahrens /* 3397fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 3398fa9e4066Sahrens */ 3399fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3400fa9e4066Sahrens if (error != ENOENT) 3401fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3402fa9e4066Sahrens 3403fa9e4066Sahrens /* 3404fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 3405fa9e4066Sahrens */ 3406fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 3407fa9e4066Sahrens if (error) 3408fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3409fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 3410fa9e4066Sahrens spa_close(spa, FTAG); 3411fa9e4066Sahrens 3412fa9e4066Sahrens nvlist_free(config); 3413fa9e4066Sahrens } 3414fa9e4066Sahrens 34158ad4d6ddSJeff Bonwick static void 34168ad4d6ddSJeff Bonwick ztest_resume(spa_t *spa) 34178ad4d6ddSJeff Bonwick { 34188ad4d6ddSJeff Bonwick if (spa_suspended(spa)) { 34198ad4d6ddSJeff Bonwick spa_vdev_state_enter(spa); 34208ad4d6ddSJeff Bonwick vdev_clear(spa, NULL); 34218ad4d6ddSJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 342254d692b7SGeorge Wilson (void) zio_resume(spa); 34238ad4d6ddSJeff Bonwick } 34248ad4d6ddSJeff Bonwick } 34258ad4d6ddSJeff Bonwick 34260a4e9518Sgw static void * 34278ad4d6ddSJeff Bonwick ztest_resume_thread(void *arg) 34280a4e9518Sgw { 3429e14bb325SJeff Bonwick spa_t *spa = arg; 34300a4e9518Sgw 34310a4e9518Sgw while (!ztest_exiting) { 3432e14bb325SJeff Bonwick (void) poll(NULL, 0, 1000); 34338ad4d6ddSJeff Bonwick ztest_resume(spa); 34340a4e9518Sgw } 34350a4e9518Sgw return (NULL); 34360a4e9518Sgw } 34370a4e9518Sgw 3438fa9e4066Sahrens static void * 3439fa9e4066Sahrens ztest_thread(void *arg) 3440fa9e4066Sahrens { 3441fa9e4066Sahrens ztest_args_t *za = arg; 3442fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 3443fa9e4066Sahrens hrtime_t now, functime; 3444fa9e4066Sahrens ztest_info_t *zi; 3445e05725b1Sbonwick int f, i; 3446fa9e4066Sahrens 3447fa9e4066Sahrens while ((now = gethrtime()) < za->za_stop) { 3448fa9e4066Sahrens /* 3449fa9e4066Sahrens * See if it's time to force a crash. 3450fa9e4066Sahrens */ 3451fa9e4066Sahrens if (now > za->za_kill) { 3452e05725b1Sbonwick zs->zs_alloc = spa_get_alloc(za->za_spa); 3453e05725b1Sbonwick zs->zs_space = spa_get_space(za->za_spa); 3454fa9e4066Sahrens (void) kill(getpid(), SIGKILL); 3455fa9e4066Sahrens } 3456fa9e4066Sahrens 3457fa9e4066Sahrens /* 3458fa9e4066Sahrens * Pick a random function. 3459fa9e4066Sahrens */ 3460fa9e4066Sahrens f = ztest_random(ZTEST_FUNCS); 3461fa9e4066Sahrens zi = &zs->zs_info[f]; 3462fa9e4066Sahrens 3463fa9e4066Sahrens /* 3464fa9e4066Sahrens * Decide whether to call it, based on the requested frequency. 3465fa9e4066Sahrens */ 3466fa9e4066Sahrens if (zi->zi_call_target == 0 || 3467fa9e4066Sahrens (double)zi->zi_call_total / zi->zi_call_target > 3468fa9e4066Sahrens (double)(now - zs->zs_start_time) / (zopt_time * NANOSEC)) 3469fa9e4066Sahrens continue; 3470fa9e4066Sahrens 3471fa9e4066Sahrens atomic_add_64(&zi->zi_calls, 1); 3472fa9e4066Sahrens atomic_add_64(&zi->zi_call_total, 1); 3473fa9e4066Sahrens 3474fa9e4066Sahrens za->za_diroff = (za->za_instance * ZTEST_FUNCS + f) * 3475fa9e4066Sahrens ZTEST_DIRSIZE; 3476fa9e4066Sahrens za->za_diroff_shared = (1ULL << 63); 3477fa9e4066Sahrens 3478e05725b1Sbonwick for (i = 0; i < zi->zi_iters; i++) 3479e05725b1Sbonwick zi->zi_func(za); 3480fa9e4066Sahrens 3481fa9e4066Sahrens functime = gethrtime() - now; 3482fa9e4066Sahrens 3483fa9e4066Sahrens atomic_add_64(&zi->zi_call_time, functime); 3484fa9e4066Sahrens 3485fa9e4066Sahrens if (zopt_verbose >= 4) { 3486fa9e4066Sahrens Dl_info dli; 3487fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 3488fa9e4066Sahrens (void) printf("%6.2f sec in %s\n", 3489fa9e4066Sahrens (double)functime / NANOSEC, dli.dli_sname); 3490fa9e4066Sahrens } 3491fa9e4066Sahrens 3492fa9e4066Sahrens /* 3493fa9e4066Sahrens * If we're getting ENOSPC with some regularity, stop. 3494fa9e4066Sahrens */ 3495fa9e4066Sahrens if (zs->zs_enospc_count > 10) 3496fa9e4066Sahrens break; 3497fa9e4066Sahrens } 3498fa9e4066Sahrens 3499fa9e4066Sahrens return (NULL); 3500fa9e4066Sahrens } 3501fa9e4066Sahrens 3502fa9e4066Sahrens /* 3503fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 3504fa9e4066Sahrens */ 3505fa9e4066Sahrens static void 3506fa9e4066Sahrens ztest_run(char *pool) 3507fa9e4066Sahrens { 3508fa9e4066Sahrens int t, d, error; 3509fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 3510fa9e4066Sahrens ztest_args_t *za; 3511fa9e4066Sahrens spa_t *spa; 3512fa9e4066Sahrens char name[100]; 3513e14bb325SJeff Bonwick thread_t resume_tid; 3514e14bb325SJeff Bonwick 3515e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 3516fa9e4066Sahrens 3517fa9e4066Sahrens (void) _mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL); 3518fa9e4066Sahrens (void) rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL); 3519fa9e4066Sahrens 3520fa9e4066Sahrens for (t = 0; t < ZTEST_SYNC_LOCKS; t++) 3521fa9e4066Sahrens (void) _mutex_init(&zs->zs_sync_lock[t], USYNC_THREAD, NULL); 3522fa9e4066Sahrens 3523fa9e4066Sahrens /* 3524fa9e4066Sahrens * Destroy one disk before we even start. 3525fa9e4066Sahrens * It's mirrored, so everything should work just fine. 3526fa9e4066Sahrens * This makes us exercise fault handling very early in spa_load(). 3527fa9e4066Sahrens */ 3528fa9e4066Sahrens ztest_obliterate_one_disk(0); 3529fa9e4066Sahrens 3530fa9e4066Sahrens /* 3531fa9e4066Sahrens * Verify that the sum of the sizes of all blocks in the pool 3532fa9e4066Sahrens * equals the SPA's allocated space total. 3533fa9e4066Sahrens */ 3534fa9e4066Sahrens ztest_verify_blocks(pool); 3535fa9e4066Sahrens 3536fa9e4066Sahrens /* 3537fa9e4066Sahrens * Kick off a replacement of the disk we just obliterated. 3538fa9e4066Sahrens */ 3539fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3540e14bb325SJeff Bonwick VERIFY(spa_open(pool, &spa, FTAG) == 0); 3541fa9e4066Sahrens ztest_replace_one_disk(spa, 0); 3542fa9e4066Sahrens if (zopt_verbose >= 5) 3543fa9e4066Sahrens show_pool_stats(spa); 3544fa9e4066Sahrens spa_close(spa, FTAG); 3545fa9e4066Sahrens kernel_fini(); 3546fa9e4066Sahrens 3547fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3548fa9e4066Sahrens 3549fa9e4066Sahrens /* 3550fa9e4066Sahrens * Verify that we can export the pool and reimport it under a 3551fa9e4066Sahrens * different name. 3552fa9e4066Sahrens */ 35530e34b6a7Sbonwick if (ztest_random(2) == 0) { 35540e34b6a7Sbonwick (void) snprintf(name, 100, "%s_import", pool); 35550e34b6a7Sbonwick ztest_spa_import_export(pool, name); 35560e34b6a7Sbonwick ztest_spa_import_export(name, pool); 35570e34b6a7Sbonwick } 3558fa9e4066Sahrens 3559fa9e4066Sahrens /* 3560fa9e4066Sahrens * Verify that we can loop over all pools. 3561fa9e4066Sahrens */ 3562fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 3563fa9e4066Sahrens for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) { 3564fa9e4066Sahrens if (zopt_verbose > 3) { 3565fa9e4066Sahrens (void) printf("spa_next: found %s\n", spa_name(spa)); 3566fa9e4066Sahrens } 3567fa9e4066Sahrens } 3568fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 3569fa9e4066Sahrens 35700a4e9518Sgw /* 3571e14bb325SJeff Bonwick * Open our pool. 35720a4e9518Sgw */ 3573e14bb325SJeff Bonwick VERIFY(spa_open(pool, &spa, FTAG) == 0); 35740a4e9518Sgw 35758ad4d6ddSJeff Bonwick /* 35768ad4d6ddSJeff Bonwick * We don't expect the pool to suspend unless maxfaults == 0, 35778ad4d6ddSJeff Bonwick * in which case ztest_fault_inject() temporarily takes away 35788ad4d6ddSJeff Bonwick * the only valid replica. 35798ad4d6ddSJeff Bonwick */ 35808ad4d6ddSJeff Bonwick if (zopt_maxfaults == 0) 35818ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_WAIT; 35828ad4d6ddSJeff Bonwick else 35838ad4d6ddSJeff Bonwick spa->spa_failmode = ZIO_FAILURE_MODE_PANIC; 35848ad4d6ddSJeff Bonwick 3585fa9e4066Sahrens /* 3586e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 3587fa9e4066Sahrens */ 35888ad4d6ddSJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND, 3589e14bb325SJeff Bonwick &resume_tid) == 0); 3590fa9e4066Sahrens 3591fa9e4066Sahrens /* 3592fa9e4066Sahrens * Verify that we can safely inquire about about any object, 3593fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 3594fa9e4066Sahrens * we probe a 5-wide window around each power of two. 3595fa9e4066Sahrens * This hits all edge cases, including zero and the max. 3596fa9e4066Sahrens */ 3597fa9e4066Sahrens for (t = 0; t < 64; t++) { 3598fa9e4066Sahrens for (d = -5; d <= 5; d++) { 3599fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 3600fa9e4066Sahrens (1ULL << t) + d, NULL); 3601ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 3602ea8dc4b6Seschrock error == EINVAL); 3603fa9e4066Sahrens } 3604fa9e4066Sahrens } 3605fa9e4066Sahrens 3606fa9e4066Sahrens /* 3607fa9e4066Sahrens * Now kick off all the tests that run in parallel. 3608fa9e4066Sahrens */ 3609fa9e4066Sahrens zs->zs_enospc_count = 0; 3610fa9e4066Sahrens 3611fa9e4066Sahrens za = umem_zalloc(zopt_threads * sizeof (ztest_args_t), UMEM_NOFAIL); 3612fa9e4066Sahrens 3613fa9e4066Sahrens if (zopt_verbose >= 4) 3614fa9e4066Sahrens (void) printf("starting main threads...\n"); 3615fa9e4066Sahrens 3616fa9e4066Sahrens za[0].za_start = gethrtime(); 3617fa9e4066Sahrens za[0].za_stop = za[0].za_start + zopt_passtime * NANOSEC; 3618fa9e4066Sahrens za[0].za_stop = MIN(za[0].za_stop, zs->zs_stop_time); 3619fa9e4066Sahrens za[0].za_kill = za[0].za_stop; 3620fa9e4066Sahrens if (ztest_random(100) < zopt_killrate) 3621fa9e4066Sahrens za[0].za_kill -= ztest_random(zopt_passtime * NANOSEC); 3622fa9e4066Sahrens 3623fa9e4066Sahrens for (t = 0; t < zopt_threads; t++) { 3624ecc2d604Sbonwick d = t % zopt_datasets; 3625e05725b1Sbonwick 3626e05725b1Sbonwick (void) strcpy(za[t].za_pool, pool); 3627e05725b1Sbonwick za[t].za_os = za[d].za_os; 3628e05725b1Sbonwick za[t].za_spa = spa; 3629e05725b1Sbonwick za[t].za_zilog = za[d].za_zilog; 3630e05725b1Sbonwick za[t].za_instance = t; 3631e05725b1Sbonwick za[t].za_random = ztest_random(-1ULL); 3632e05725b1Sbonwick za[t].za_start = za[0].za_start; 3633e05725b1Sbonwick za[t].za_stop = za[0].za_stop; 3634e05725b1Sbonwick za[t].za_kill = za[0].za_kill; 3635e05725b1Sbonwick 3636ecc2d604Sbonwick if (t < zopt_datasets) { 36374d31c452Smaybee int test_future = FALSE; 3638fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3639fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_%d", pool, pool, d); 3640ab04eb8eStimh error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0, 3641fa9e4066Sahrens ztest_create_cb, NULL); 36424d31c452Smaybee if (error == EEXIST) { 36434d31c452Smaybee test_future = TRUE; 3644e05725b1Sbonwick } else if (error == ENOSPC) { 3645e05725b1Sbonwick zs->zs_enospc_count++; 3646e05725b1Sbonwick (void) rw_unlock(&ztest_shared->zs_name_lock); 3647e05725b1Sbonwick break; 36484d31c452Smaybee } else if (error != 0) { 3649fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", 3650fa9e4066Sahrens name, error); 3651fa9e4066Sahrens } 3652fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, 3653745cd3c5Smaybee DS_MODE_USER, &za[d].za_os); 3654fa9e4066Sahrens if (error) 3655fa9e4066Sahrens fatal(0, "dmu_objset_open('%s') = %d", 3656fa9e4066Sahrens name, error); 3657fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3658e05725b1Sbonwick if (test_future) 3659e05725b1Sbonwick ztest_dmu_check_future_leak(&za[t]); 36601209a471SNeil Perrin zil_replay(za[d].za_os, za[d].za_os, 36611209a471SNeil Perrin ztest_replay_vector); 3662fa9e4066Sahrens za[d].za_zilog = zil_open(za[d].za_os, NULL); 3663fa9e4066Sahrens } 3664fa9e4066Sahrens 3665e14bb325SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, &za[t], THR_BOUND, 3666e14bb325SJeff Bonwick &za[t].za_thread) == 0); 3667fa9e4066Sahrens } 3668fa9e4066Sahrens 3669fa9e4066Sahrens while (--t >= 0) { 3670e14bb325SJeff Bonwick VERIFY(thr_join(za[t].za_thread, NULL, NULL) == 0); 3671ecc2d604Sbonwick if (t < zopt_datasets) { 3672fa9e4066Sahrens zil_close(za[t].za_zilog); 3673fa9e4066Sahrens dmu_objset_close(za[t].za_os); 3674fa9e4066Sahrens } 3675fa9e4066Sahrens } 3676fa9e4066Sahrens 3677fa9e4066Sahrens if (zopt_verbose >= 3) 3678fa9e4066Sahrens show_pool_stats(spa); 3679fa9e4066Sahrens 3680fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 3681fa9e4066Sahrens 3682fa9e4066Sahrens zs->zs_alloc = spa_get_alloc(spa); 3683fa9e4066Sahrens zs->zs_space = spa_get_space(spa); 3684fa9e4066Sahrens 3685fa9e4066Sahrens /* 3686e05725b1Sbonwick * If we had out-of-space errors, destroy a random objset. 3687fa9e4066Sahrens */ 3688fa9e4066Sahrens if (zs->zs_enospc_count != 0) { 3689fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3690e05725b1Sbonwick d = (int)ztest_random(zopt_datasets); 3691e05725b1Sbonwick (void) snprintf(name, 100, "%s/%s_%d", pool, pool, d); 3692fa9e4066Sahrens if (zopt_verbose >= 3) 3693fa9e4066Sahrens (void) printf("Destroying %s to free up space\n", name); 3694e05725b1Sbonwick (void) dmu_objset_find(name, ztest_destroy_cb, &za[d], 36950b69c2f0Sahrens DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 3696fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3697fa9e4066Sahrens } 3698fa9e4066Sahrens 3699ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 3700fa9e4066Sahrens 3701e14bb325SJeff Bonwick umem_free(za, zopt_threads * sizeof (ztest_args_t)); 3702e14bb325SJeff Bonwick 3703e14bb325SJeff Bonwick /* Kill the resume thread */ 3704e14bb325SJeff Bonwick ztest_exiting = B_TRUE; 3705e14bb325SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 37068ad4d6ddSJeff Bonwick ztest_resume(spa); 3707e14bb325SJeff Bonwick 3708fa9e4066Sahrens /* 3709fa9e4066Sahrens * Right before closing the pool, kick off a bunch of async I/O; 3710fa9e4066Sahrens * spa_close() should wait for it to complete. 3711fa9e4066Sahrens */ 3712fa9e4066Sahrens for (t = 1; t < 50; t++) 3713fa9e4066Sahrens dmu_prefetch(spa->spa_meta_objset, t, 0, 1 << 15); 3714fa9e4066Sahrens 3715e05725b1Sbonwick spa_close(spa, FTAG); 3716e05725b1Sbonwick 3717fa9e4066Sahrens kernel_fini(); 3718fa9e4066Sahrens } 3719fa9e4066Sahrens 3720fa9e4066Sahrens void 3721fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 3722fa9e4066Sahrens { 3723fa9e4066Sahrens hrtime_t s = t / NANOSEC; 3724fa9e4066Sahrens hrtime_t m = s / 60; 3725fa9e4066Sahrens hrtime_t h = m / 60; 3726fa9e4066Sahrens hrtime_t d = h / 24; 3727fa9e4066Sahrens 3728fa9e4066Sahrens s -= m * 60; 3729fa9e4066Sahrens m -= h * 60; 3730fa9e4066Sahrens h -= d * 24; 3731fa9e4066Sahrens 3732fa9e4066Sahrens timebuf[0] = '\0'; 3733fa9e4066Sahrens 3734fa9e4066Sahrens if (d) 3735fa9e4066Sahrens (void) sprintf(timebuf, 3736fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 3737fa9e4066Sahrens else if (h) 3738fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 3739fa9e4066Sahrens else if (m) 3740fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 3741fa9e4066Sahrens else 3742fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 3743fa9e4066Sahrens } 3744fa9e4066Sahrens 3745fa9e4066Sahrens /* 3746fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 3747fa9e4066Sahrens * Then create the specified number of datasets in the pool. 3748fa9e4066Sahrens */ 3749fa9e4066Sahrens static void 3750fa9e4066Sahrens ztest_init(char *pool) 3751fa9e4066Sahrens { 3752fa9e4066Sahrens spa_t *spa; 3753fa9e4066Sahrens int error; 3754fa9e4066Sahrens nvlist_t *nvroot; 3755fa9e4066Sahrens 3756fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3757fa9e4066Sahrens 3758fa9e4066Sahrens /* 3759fa9e4066Sahrens * Create the storage pool. 3760fa9e4066Sahrens */ 3761fa9e4066Sahrens (void) spa_destroy(pool); 3762fa9e4066Sahrens ztest_shared->zs_vdev_primaries = 0; 3763e14bb325SJeff Bonwick nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 3764e14bb325SJeff Bonwick 0, zopt_raidz, zopt_mirrors, 1); 37650a48a24eStimh error = spa_create(pool, nvroot, NULL, NULL, NULL); 3766fa9e4066Sahrens nvlist_free(nvroot); 3767fa9e4066Sahrens 3768fa9e4066Sahrens if (error) 3769fa9e4066Sahrens fatal(0, "spa_create() = %d", error); 3770fa9e4066Sahrens error = spa_open(pool, &spa, FTAG); 3771fa9e4066Sahrens if (error) 3772fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 3773fa9e4066Sahrens 3774d6e555bdSGeorge Wilson metaslab_sz = 1ULL << spa->spa_root_vdev->vdev_child[0]->vdev_ms_shift; 3775d6e555bdSGeorge Wilson 3776fa9e4066Sahrens if (zopt_verbose >= 3) 3777fa9e4066Sahrens show_pool_stats(spa); 3778fa9e4066Sahrens 3779fa9e4066Sahrens spa_close(spa, FTAG); 3780fa9e4066Sahrens 3781fa9e4066Sahrens kernel_fini(); 3782fa9e4066Sahrens } 3783fa9e4066Sahrens 3784fa9e4066Sahrens int 3785fa9e4066Sahrens main(int argc, char **argv) 3786fa9e4066Sahrens { 3787fa9e4066Sahrens int kills = 0; 3788fa9e4066Sahrens int iters = 0; 3789fa9e4066Sahrens int i, f; 3790fa9e4066Sahrens ztest_shared_t *zs; 3791fa9e4066Sahrens ztest_info_t *zi; 3792fa9e4066Sahrens char timebuf[100]; 3793fa9e4066Sahrens char numbuf[6]; 3794fa9e4066Sahrens 3795fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 3796fa9e4066Sahrens 3797fa9e4066Sahrens /* Override location of zpool.cache */ 3798c5904d13Seschrock spa_config_path = "/tmp/zpool.cache"; 3799fa9e4066Sahrens 3800fa9e4066Sahrens ztest_random_fd = open("/dev/urandom", O_RDONLY); 3801fa9e4066Sahrens 3802fa9e4066Sahrens process_options(argc, argv); 3803fa9e4066Sahrens 3804ea8dc4b6Seschrock /* 3805ea8dc4b6Seschrock * Blow away any existing copy of zpool.cache 3806ea8dc4b6Seschrock */ 3807ea8dc4b6Seschrock if (zopt_init != 0) 3808ea8dc4b6Seschrock (void) remove("/tmp/zpool.cache"); 3809ea8dc4b6Seschrock 3810fa9e4066Sahrens zs = ztest_shared = (void *)mmap(0, 3811fa9e4066Sahrens P2ROUNDUP(sizeof (ztest_shared_t), getpagesize()), 3812fa9e4066Sahrens PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); 3813fa9e4066Sahrens 3814fa9e4066Sahrens if (zopt_verbose >= 1) { 3815fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 3816fa9e4066Sahrens " %llu seconds...\n", 3817ecc2d604Sbonwick (u_longlong_t)zopt_vdevs, zopt_datasets, zopt_threads, 3818fa9e4066Sahrens (u_longlong_t)zopt_time); 3819fa9e4066Sahrens } 3820fa9e4066Sahrens 3821fa9e4066Sahrens /* 3822fa9e4066Sahrens * Create and initialize our storage pool. 3823fa9e4066Sahrens */ 3824fa9e4066Sahrens for (i = 1; i <= zopt_init; i++) { 3825fa9e4066Sahrens bzero(zs, sizeof (ztest_shared_t)); 3826fa9e4066Sahrens if (zopt_verbose >= 3 && zopt_init != 1) 3827fa9e4066Sahrens (void) printf("ztest_init(), pass %d\n", i); 3828fa9e4066Sahrens ztest_init(zopt_pool); 3829fa9e4066Sahrens } 3830fa9e4066Sahrens 3831fa9e4066Sahrens /* 3832fa9e4066Sahrens * Initialize the call targets for each function. 3833fa9e4066Sahrens */ 3834fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3835fa9e4066Sahrens zi = &zs->zs_info[f]; 3836fa9e4066Sahrens 3837fa9e4066Sahrens *zi = ztest_info[f]; 3838fa9e4066Sahrens 3839fa9e4066Sahrens if (*zi->zi_interval == 0) 3840fa9e4066Sahrens zi->zi_call_target = UINT64_MAX; 3841fa9e4066Sahrens else 3842fa9e4066Sahrens zi->zi_call_target = zopt_time / *zi->zi_interval; 3843fa9e4066Sahrens } 3844fa9e4066Sahrens 3845fa9e4066Sahrens zs->zs_start_time = gethrtime(); 3846fa9e4066Sahrens zs->zs_stop_time = zs->zs_start_time + zopt_time * NANOSEC; 3847fa9e4066Sahrens 3848fa9e4066Sahrens /* 3849fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 3850fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 3851fa9e4066Sahrens * to verify that we never lose on-disk consistency. 3852fa9e4066Sahrens */ 3853fa9e4066Sahrens while (gethrtime() < zs->zs_stop_time) { 3854fa9e4066Sahrens int status; 3855fa9e4066Sahrens pid_t pid; 3856fa9e4066Sahrens char *tmp; 3857fa9e4066Sahrens 3858fa9e4066Sahrens /* 3859fa9e4066Sahrens * Initialize the workload counters for each function. 3860fa9e4066Sahrens */ 3861fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3862fa9e4066Sahrens zi = &zs->zs_info[f]; 3863fa9e4066Sahrens zi->zi_calls = 0; 3864fa9e4066Sahrens zi->zi_call_time = 0; 3865fa9e4066Sahrens } 3866fa9e4066Sahrens 3867d6e555bdSGeorge Wilson /* Set the allocation switch size */ 3868d6e555bdSGeorge Wilson metaslab_df_alloc_threshold = ztest_random(metaslab_sz / 4) + 1; 3869d6e555bdSGeorge Wilson 3870fa9e4066Sahrens pid = fork(); 3871fa9e4066Sahrens 3872fa9e4066Sahrens if (pid == -1) 3873fa9e4066Sahrens fatal(1, "fork failed"); 3874fa9e4066Sahrens 3875fa9e4066Sahrens if (pid == 0) { /* child */ 3876fa9e4066Sahrens struct rlimit rl = { 1024, 1024 }; 3877fa9e4066Sahrens (void) setrlimit(RLIMIT_NOFILE, &rl); 3878004388ebScasper (void) enable_extended_FILE_stdio(-1, -1); 3879fa9e4066Sahrens ztest_run(zopt_pool); 3880fa9e4066Sahrens exit(0); 3881fa9e4066Sahrens } 3882fa9e4066Sahrens 38835ad82045Snd while (waitpid(pid, &status, 0) != pid) 3884fa9e4066Sahrens continue; 3885fa9e4066Sahrens 3886fa9e4066Sahrens if (WIFEXITED(status)) { 3887fa9e4066Sahrens if (WEXITSTATUS(status) != 0) { 3888fa9e4066Sahrens (void) fprintf(stderr, 3889fa9e4066Sahrens "child exited with code %d\n", 3890fa9e4066Sahrens WEXITSTATUS(status)); 3891fa9e4066Sahrens exit(2); 3892fa9e4066Sahrens } 38935ad82045Snd } else if (WIFSIGNALED(status)) { 3894fa9e4066Sahrens if (WTERMSIG(status) != SIGKILL) { 3895fa9e4066Sahrens (void) fprintf(stderr, 3896fa9e4066Sahrens "child died with signal %d\n", 3897fa9e4066Sahrens WTERMSIG(status)); 3898fa9e4066Sahrens exit(3); 3899fa9e4066Sahrens } 3900fa9e4066Sahrens kills++; 39015ad82045Snd } else { 39025ad82045Snd (void) fprintf(stderr, "something strange happened " 39035ad82045Snd "to child\n"); 39045ad82045Snd exit(4); 3905fa9e4066Sahrens } 3906fa9e4066Sahrens 3907fa9e4066Sahrens iters++; 3908fa9e4066Sahrens 3909fa9e4066Sahrens if (zopt_verbose >= 1) { 3910fa9e4066Sahrens hrtime_t now = gethrtime(); 3911fa9e4066Sahrens 3912fa9e4066Sahrens now = MIN(now, zs->zs_stop_time); 3913fa9e4066Sahrens print_time(zs->zs_stop_time - now, timebuf); 3914fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 3915fa9e4066Sahrens 3916fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 3917fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 3918fa9e4066Sahrens iters, 3919fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 3920fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 3921fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 3922fa9e4066Sahrens numbuf, 3923fa9e4066Sahrens 100.0 * (now - zs->zs_start_time) / 3924fa9e4066Sahrens (zopt_time * NANOSEC), timebuf); 3925fa9e4066Sahrens } 3926fa9e4066Sahrens 3927fa9e4066Sahrens if (zopt_verbose >= 2) { 3928fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 3929fa9e4066Sahrens (void) printf("%7s %9s %s\n", 3930fa9e4066Sahrens "Calls", "Time", "Function"); 3931fa9e4066Sahrens (void) printf("%7s %9s %s\n", 3932fa9e4066Sahrens "-----", "----", "--------"); 3933fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3934fa9e4066Sahrens Dl_info dli; 3935fa9e4066Sahrens 3936fa9e4066Sahrens zi = &zs->zs_info[f]; 3937fa9e4066Sahrens print_time(zi->zi_call_time, timebuf); 3938fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 3939fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 3940fa9e4066Sahrens (u_longlong_t)zi->zi_calls, timebuf, 3941fa9e4066Sahrens dli.dli_sname); 3942fa9e4066Sahrens } 3943fa9e4066Sahrens (void) printf("\n"); 3944fa9e4066Sahrens } 3945fa9e4066Sahrens 3946fa9e4066Sahrens /* 3947fa9e4066Sahrens * It's possible that we killed a child during a rename test, in 3948fa9e4066Sahrens * which case we'll have a 'ztest_tmp' pool lying around instead 3949fa9e4066Sahrens * of 'ztest'. Do a blind rename in case this happened. 3950fa9e4066Sahrens */ 3951fa9e4066Sahrens tmp = umem_alloc(strlen(zopt_pool) + 5, UMEM_NOFAIL); 3952fa9e4066Sahrens (void) strcpy(tmp, zopt_pool); 3953fa9e4066Sahrens (void) strcat(tmp, "_tmp"); 3954fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3955fa9e4066Sahrens (void) spa_rename(tmp, zopt_pool); 3956fa9e4066Sahrens kernel_fini(); 3957fa9e4066Sahrens umem_free(tmp, strlen(tmp) + 1); 3958fa9e4066Sahrens } 3959fa9e4066Sahrens 3960fa9e4066Sahrens ztest_verify_blocks(zopt_pool); 3961fa9e4066Sahrens 3962fa9e4066Sahrens if (zopt_verbose >= 1) { 3963fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 3964fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 3965fa9e4066Sahrens } 3966fa9e4066Sahrens 3967fa9e4066Sahrens return (0); 3968fa9e4066Sahrens } 3969