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 /* 223a57275aSck * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens /* 27fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 28fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 29fa9e4066Sahrens * 30fa9e4066Sahrens * The overall design of the ztest program is as follows: 31fa9e4066Sahrens * 32fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 33fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 34fa9e4066Sahrens * we have a simple routine to test that functionality. These 35fa9e4066Sahrens * individual routines do not have to do anything "stressful". 36fa9e4066Sahrens * 37fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 38fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 39fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 40fa9e4066Sahrens * 41fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 42fa9e4066Sahrens * verify that self-healing data really works. 43fa9e4066Sahrens * 44fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 45fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 46fa9e4066Sahrens * in which checksum they use and whether they're compressed. 47fa9e4066Sahrens * 48fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 49fa9e4066Sahrens * we run the entire test in a child of the main process. 50fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 51fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 52fa9e4066Sahrens * The parent then runs the test again, using the existing 53fa9e4066Sahrens * storage pool, as many times as desired. 54fa9e4066Sahrens * 55fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 56fa9e4066Sahrens * many of the functional tests record the transaction group number 57fa9e4066Sahrens * as part of their data. When reading old data, they verify that 58fa9e4066Sahrens * the transaction group number is less than the current, open txg. 59fa9e4066Sahrens * If you add a new test, please do this if applicable. 60fa9e4066Sahrens * 61fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 62fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 63fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 64fa9e4066Sahrens * 65fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 66fa9e4066Sahrens * 67fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 68fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 69fa9e4066Sahrens * 70fa9e4066Sahrens * The -N(okill) option will suppress kills, so each child runs to completion. 71fa9e4066Sahrens * This can be useful when you're trying to distinguish temporal incursions 72fa9e4066Sahrens * from plain old race conditions. 73fa9e4066Sahrens */ 74fa9e4066Sahrens 75fa9e4066Sahrens #include <sys/zfs_context.h> 76fa9e4066Sahrens #include <sys/spa.h> 77fa9e4066Sahrens #include <sys/dmu.h> 78fa9e4066Sahrens #include <sys/txg.h> 79fa9e4066Sahrens #include <sys/zap.h> 80fa9e4066Sahrens #include <sys/dmu_traverse.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> 93*e14bb325SJeff Bonwick #include <sys/vdev_file.h> 94fa9e4066Sahrens #include <sys/spa_impl.h> 95fa9e4066Sahrens #include <sys/dsl_prop.h> 96fa9e4066Sahrens #include <sys/refcount.h> 97fa9e4066Sahrens #include <stdio.h> 98004388ebScasper #include <stdio_ext.h> 99fa9e4066Sahrens #include <stdlib.h> 100fa9e4066Sahrens #include <unistd.h> 101fa9e4066Sahrens #include <signal.h> 102fa9e4066Sahrens #include <umem.h> 103fa9e4066Sahrens #include <dlfcn.h> 104fa9e4066Sahrens #include <ctype.h> 105fa9e4066Sahrens #include <math.h> 106fa9e4066Sahrens #include <sys/fs/zfs.h> 107fa9e4066Sahrens 108fa9e4066Sahrens static char cmdname[] = "ztest"; 109fa9e4066Sahrens static char *zopt_pool = cmdname; 110fa9e4066Sahrens 111fa9e4066Sahrens static uint64_t zopt_vdevs = 5; 112fa9e4066Sahrens static uint64_t zopt_vdevtime; 113ecc2d604Sbonwick static int zopt_ashift = SPA_MINBLOCKSHIFT; 114fa9e4066Sahrens static int zopt_mirrors = 2; 115fa9e4066Sahrens static int zopt_raidz = 4; 11699653d4eSeschrock static int zopt_raidz_parity = 1; 117fa9e4066Sahrens static size_t zopt_vdev_size = SPA_MINDEVSIZE; 118ecc2d604Sbonwick static int zopt_datasets = 7; 119fa9e4066Sahrens static int zopt_threads = 23; 120fa9e4066Sahrens static uint64_t zopt_passtime = 60; /* 60 seconds */ 121fa9e4066Sahrens static uint64_t zopt_killrate = 70; /* 70% kill rate */ 122fa9e4066Sahrens static int zopt_verbose = 0; 123fa9e4066Sahrens static int zopt_init = 1; 124fa9e4066Sahrens static char *zopt_dir = "/tmp"; 125fa9e4066Sahrens static uint64_t zopt_time = 300; /* 5 minutes */ 126fa9e4066Sahrens static int zopt_maxfaults; 127fa9e4066Sahrens 128e05725b1Sbonwick typedef struct ztest_block_tag { 129e05725b1Sbonwick uint64_t bt_objset; 130e05725b1Sbonwick uint64_t bt_object; 131e05725b1Sbonwick uint64_t bt_offset; 132e05725b1Sbonwick uint64_t bt_txg; 133e05725b1Sbonwick uint64_t bt_thread; 134e05725b1Sbonwick uint64_t bt_seq; 135e05725b1Sbonwick } ztest_block_tag_t; 136e05725b1Sbonwick 137fa9e4066Sahrens typedef struct ztest_args { 138e05725b1Sbonwick char za_pool[MAXNAMELEN]; 139e05725b1Sbonwick spa_t *za_spa; 140fa9e4066Sahrens objset_t *za_os; 141fa9e4066Sahrens zilog_t *za_zilog; 142fa9e4066Sahrens thread_t za_thread; 143fa9e4066Sahrens uint64_t za_instance; 144fa9e4066Sahrens uint64_t za_random; 145fa9e4066Sahrens uint64_t za_diroff; 146fa9e4066Sahrens uint64_t za_diroff_shared; 147ea8dc4b6Seschrock uint64_t za_zil_seq; 148fa9e4066Sahrens hrtime_t za_start; 149fa9e4066Sahrens hrtime_t za_stop; 150fa9e4066Sahrens hrtime_t za_kill; 151fa9e4066Sahrens traverse_handle_t *za_th; 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; 167fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 168fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 169fa9e4066Sahrens ztest_func_t ztest_zap; 170fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 171fa9e4066Sahrens ztest_func_t ztest_traverse; 172fa9e4066Sahrens ztest_func_t ztest_dsl_prop_get_set; 173fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 174fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 175fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 176fa9e4066Sahrens ztest_func_t ztest_fault_inject; 177*e14bb325SJeff Bonwick ztest_func_t ztest_spa_rename; 178fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 179fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 180fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 181*e14bb325SJeff Bonwick ztest_func_t ztest_vdev_aux_add_remove; 182fa9e4066Sahrens ztest_func_t ztest_scrub; 183fa9e4066Sahrens 184fa9e4066Sahrens typedef struct ztest_info { 185fa9e4066Sahrens ztest_func_t *zi_func; /* test function */ 186e05725b1Sbonwick uint64_t zi_iters; /* iterations per execution */ 187fa9e4066Sahrens uint64_t *zi_interval; /* execute every <interval> seconds */ 188fa9e4066Sahrens uint64_t zi_calls; /* per-pass count */ 189fa9e4066Sahrens uint64_t zi_call_time; /* per-pass time */ 190fa9e4066Sahrens uint64_t zi_call_total; /* cumulative total */ 191fa9e4066Sahrens uint64_t zi_call_target; /* target cumulative total */ 192fa9e4066Sahrens } ztest_info_t; 193fa9e4066Sahrens 194fa9e4066Sahrens uint64_t zopt_always = 0; /* all the time */ 195fa9e4066Sahrens uint64_t zopt_often = 1; /* every second */ 196fa9e4066Sahrens uint64_t zopt_sometimes = 10; /* every 10 seconds */ 197fa9e4066Sahrens uint64_t zopt_rarely = 60; /* every 60 seconds */ 198fa9e4066Sahrens 199fa9e4066Sahrens ztest_info_t ztest_info[] = { 200e05725b1Sbonwick { ztest_dmu_read_write, 1, &zopt_always }, 201e05725b1Sbonwick { ztest_dmu_write_parallel, 30, &zopt_always }, 202e05725b1Sbonwick { ztest_dmu_object_alloc_free, 1, &zopt_always }, 203e05725b1Sbonwick { ztest_zap, 30, &zopt_always }, 204e05725b1Sbonwick { ztest_zap_parallel, 100, &zopt_always }, 205e05725b1Sbonwick { ztest_traverse, 1, &zopt_often }, 206e05725b1Sbonwick { ztest_dsl_prop_get_set, 1, &zopt_sometimes }, 207088f3894Sahrens { ztest_dmu_objset_create_destroy, 1, &zopt_sometimes }, 208*e14bb325SJeff Bonwick { ztest_dmu_snapshot_create_destroy, 1, &zopt_sometimes }, 209088f3894Sahrens { ztest_spa_create_destroy, 1, &zopt_sometimes }, 210e05725b1Sbonwick { ztest_fault_inject, 1, &zopt_sometimes }, 211e05725b1Sbonwick { ztest_spa_rename, 1, &zopt_rarely }, 212*e14bb325SJeff Bonwick { ztest_vdev_attach_detach, 1, &zopt_rarely }, 213*e14bb325SJeff Bonwick { ztest_vdev_LUN_growth, 1, &zopt_rarely }, 214*e14bb325SJeff Bonwick { ztest_vdev_add_remove, 1, &zopt_vdevtime }, 215*e14bb325SJeff Bonwick { ztest_vdev_aux_add_remove, 1, &zopt_vdevtime }, 216e05725b1Sbonwick { ztest_scrub, 1, &zopt_vdevtime }, 217fa9e4066Sahrens }; 218fa9e4066Sahrens 219fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 220fa9e4066Sahrens 221fa9e4066Sahrens #define ZTEST_SYNC_LOCKS 16 222fa9e4066Sahrens 223fa9e4066Sahrens /* 224fa9e4066Sahrens * Stuff we need to share writably between parent and child. 225fa9e4066Sahrens */ 226fa9e4066Sahrens typedef struct ztest_shared { 227fa9e4066Sahrens mutex_t zs_vdev_lock; 228fa9e4066Sahrens rwlock_t zs_name_lock; 229fa9e4066Sahrens uint64_t zs_vdev_primaries; 230*e14bb325SJeff Bonwick uint64_t zs_vdev_aux; 231fa9e4066Sahrens uint64_t zs_enospc_count; 232fa9e4066Sahrens hrtime_t zs_start_time; 233fa9e4066Sahrens hrtime_t zs_stop_time; 234fa9e4066Sahrens uint64_t zs_alloc; 235fa9e4066Sahrens uint64_t zs_space; 236fa9e4066Sahrens ztest_info_t zs_info[ZTEST_FUNCS]; 237fa9e4066Sahrens mutex_t zs_sync_lock[ZTEST_SYNC_LOCKS]; 238fa9e4066Sahrens uint64_t zs_seq[ZTEST_SYNC_LOCKS]; 239fa9e4066Sahrens } ztest_shared_t; 240fa9e4066Sahrens 241fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 242*e14bb325SJeff Bonwick static char ztest_aux_template[] = "%s/%s.%s.%llu"; 243fa9e4066Sahrens static ztest_shared_t *ztest_shared; 244fa9e4066Sahrens 245fa9e4066Sahrens static int ztest_random_fd; 246fa9e4066Sahrens static int ztest_dump_core = 1; 247fa9e4066Sahrens 248*e14bb325SJeff Bonwick static boolean_t ztest_exiting; 2490a4e9518Sgw 250e05725b1Sbonwick extern uint64_t metaslab_gang_bang; 251fa9e4066Sahrens 252fa9e4066Sahrens #define ZTEST_DIROBJ 1 253fa9e4066Sahrens #define ZTEST_MICROZAP_OBJ 2 254fa9e4066Sahrens #define ZTEST_FATZAP_OBJ 3 255fa9e4066Sahrens 256fa9e4066Sahrens #define ZTEST_DIROBJ_BLOCKSIZE (1 << 10) 257fa9e4066Sahrens #define ZTEST_DIRSIZE 256 258fa9e4066Sahrens 2591ce825d8Sraf static void usage(boolean_t) __NORETURN; 260f1b4288bSvb 261fa9e4066Sahrens /* 262fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 263fa9e4066Sahrens * debugging facilities. 264fa9e4066Sahrens */ 265fa9e4066Sahrens const char * 266fa9e4066Sahrens _umem_debug_init() 267fa9e4066Sahrens { 268fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 269fa9e4066Sahrens } 270fa9e4066Sahrens 271fa9e4066Sahrens const char * 272fa9e4066Sahrens _umem_logging_init(void) 273fa9e4066Sahrens { 274fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 275fa9e4066Sahrens } 276fa9e4066Sahrens 277fa9e4066Sahrens #define FATAL_MSG_SZ 1024 278fa9e4066Sahrens 279fa9e4066Sahrens char *fatal_msg; 280fa9e4066Sahrens 281fa9e4066Sahrens static void 282fa9e4066Sahrens fatal(int do_perror, char *message, ...) 283fa9e4066Sahrens { 284fa9e4066Sahrens va_list args; 285fa9e4066Sahrens int save_errno = errno; 286fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 287fa9e4066Sahrens 288fa9e4066Sahrens (void) fflush(stdout); 289fa9e4066Sahrens 290fa9e4066Sahrens va_start(args, message); 291fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 292fa9e4066Sahrens /* LINTED */ 293fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 294fa9e4066Sahrens va_end(args); 295fa9e4066Sahrens if (do_perror) { 296fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 297fa9e4066Sahrens ": %s", strerror(save_errno)); 298fa9e4066Sahrens } 299fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 300fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 301fa9e4066Sahrens if (ztest_dump_core) 302fa9e4066Sahrens abort(); 303fa9e4066Sahrens exit(3); 304fa9e4066Sahrens } 305fa9e4066Sahrens 306fa9e4066Sahrens static int 307fa9e4066Sahrens str2shift(const char *buf) 308fa9e4066Sahrens { 309fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 310fa9e4066Sahrens int i; 311fa9e4066Sahrens 312fa9e4066Sahrens if (buf[0] == '\0') 313fa9e4066Sahrens return (0); 314fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 315fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 316fa9e4066Sahrens break; 317fa9e4066Sahrens } 318f1b4288bSvb if (i == strlen(ends)) { 319f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", 320f1b4288bSvb buf); 321f1b4288bSvb usage(B_FALSE); 322f1b4288bSvb } 323fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 324fa9e4066Sahrens return (10*i); 325fa9e4066Sahrens } 326f1b4288bSvb (void) fprintf(stderr, "ztest: invalid bytes suffix: %s\n", buf); 327f1b4288bSvb usage(B_FALSE); 328f1b4288bSvb /* NOTREACHED */ 329fa9e4066Sahrens } 330fa9e4066Sahrens 331fa9e4066Sahrens static uint64_t 332fa9e4066Sahrens nicenumtoull(const char *buf) 333fa9e4066Sahrens { 334fa9e4066Sahrens char *end; 335fa9e4066Sahrens uint64_t val; 336fa9e4066Sahrens 337fa9e4066Sahrens val = strtoull(buf, &end, 0); 338fa9e4066Sahrens if (end == buf) { 339f1b4288bSvb (void) fprintf(stderr, "ztest: bad numeric value: %s\n", buf); 340f1b4288bSvb usage(B_FALSE); 341fa9e4066Sahrens } else if (end[0] == '.') { 342fa9e4066Sahrens double fval = strtod(buf, &end); 343fa9e4066Sahrens fval *= pow(2, str2shift(end)); 344f1b4288bSvb if (fval > UINT64_MAX) { 345f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 346f1b4288bSvb buf); 347f1b4288bSvb usage(B_FALSE); 348f1b4288bSvb } 349fa9e4066Sahrens val = (uint64_t)fval; 350fa9e4066Sahrens } else { 351fa9e4066Sahrens int shift = str2shift(end); 352f1b4288bSvb if (shift >= 64 || (val << shift) >> shift != val) { 353f1b4288bSvb (void) fprintf(stderr, "ztest: value too large: %s\n", 354f1b4288bSvb buf); 355f1b4288bSvb usage(B_FALSE); 356f1b4288bSvb } 357fa9e4066Sahrens val <<= shift; 358fa9e4066Sahrens } 359fa9e4066Sahrens return (val); 360fa9e4066Sahrens } 361fa9e4066Sahrens 362fa9e4066Sahrens static void 363f1b4288bSvb usage(boolean_t requested) 364fa9e4066Sahrens { 365fa9e4066Sahrens char nice_vdev_size[10]; 366fa9e4066Sahrens char nice_gang_bang[10]; 367f1b4288bSvb FILE *fp = requested ? stdout : stderr; 368fa9e4066Sahrens 369fa9e4066Sahrens nicenum(zopt_vdev_size, nice_vdev_size); 370e05725b1Sbonwick nicenum(metaslab_gang_bang, nice_gang_bang); 371fa9e4066Sahrens 372f1b4288bSvb (void) fprintf(fp, "Usage: %s\n" 373fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 374fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 375ecc2d604Sbonwick "\t[-a alignment_shift (default: %d) (use 0 for random)]\n" 376fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 377fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 37899653d4eSeschrock "\t[-R raidz_parity (default: %d)]\n" 379fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 380fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 381fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 382fa9e4066Sahrens "\t[-i initialize pool i times (default: %d)]\n" 383fa9e4066Sahrens "\t[-k kill percentage (default: %llu%%)]\n" 384fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 385fa9e4066Sahrens "\t[-f file directory for vdev files (default: %s)]\n" 386fa9e4066Sahrens "\t[-V(erbose)] (use multiple times for ever more blather)\n" 387ecc2d604Sbonwick "\t[-E(xisting)] (use existing pool instead of creating new one)\n" 388fa9e4066Sahrens "\t[-T time] total run time (default: %llu sec)\n" 389fa9e4066Sahrens "\t[-P passtime] time per pass (default: %llu sec)\n" 390f1b4288bSvb "\t[-h] (print help)\n" 391fa9e4066Sahrens "", 392fa9e4066Sahrens cmdname, 3930a4e9518Sgw (u_longlong_t)zopt_vdevs, /* -v */ 3940a4e9518Sgw nice_vdev_size, /* -s */ 3950a4e9518Sgw zopt_ashift, /* -a */ 3960a4e9518Sgw zopt_mirrors, /* -m */ 3970a4e9518Sgw zopt_raidz, /* -r */ 3980a4e9518Sgw zopt_raidz_parity, /* -R */ 3990a4e9518Sgw zopt_datasets, /* -d */ 4000a4e9518Sgw zopt_threads, /* -t */ 4010a4e9518Sgw nice_gang_bang, /* -g */ 4020a4e9518Sgw zopt_init, /* -i */ 4030a4e9518Sgw (u_longlong_t)zopt_killrate, /* -k */ 4040a4e9518Sgw zopt_pool, /* -p */ 4050a4e9518Sgw zopt_dir, /* -f */ 4060a4e9518Sgw (u_longlong_t)zopt_time, /* -T */ 407*e14bb325SJeff Bonwick (u_longlong_t)zopt_passtime); /* -P */ 408f1b4288bSvb exit(requested ? 0 : 1); 409fa9e4066Sahrens } 410fa9e4066Sahrens 411fa9e4066Sahrens static uint64_t 412fa9e4066Sahrens ztest_random(uint64_t range) 413fa9e4066Sahrens { 414fa9e4066Sahrens uint64_t r; 415fa9e4066Sahrens 416fa9e4066Sahrens if (range == 0) 417fa9e4066Sahrens return (0); 418fa9e4066Sahrens 419fa9e4066Sahrens if (read(ztest_random_fd, &r, sizeof (r)) != sizeof (r)) 420fa9e4066Sahrens fatal(1, "short read from /dev/urandom"); 421fa9e4066Sahrens 422fa9e4066Sahrens return (r % range); 423fa9e4066Sahrens } 424fa9e4066Sahrens 425fa9e4066Sahrens static void 426fa9e4066Sahrens ztest_record_enospc(char *s) 427fa9e4066Sahrens { 428fa9e4066Sahrens dprintf("ENOSPC doing: %s\n", s ? s : "<unknown>"); 429fa9e4066Sahrens ztest_shared->zs_enospc_count++; 430fa9e4066Sahrens } 431fa9e4066Sahrens 432fa9e4066Sahrens static void 433fa9e4066Sahrens process_options(int argc, char **argv) 434fa9e4066Sahrens { 435fa9e4066Sahrens int opt; 436fa9e4066Sahrens uint64_t value; 437fa9e4066Sahrens 438fa9e4066Sahrens /* By default, test gang blocks for blocks 32K and greater */ 439e05725b1Sbonwick metaslab_gang_bang = 32 << 10; 440fa9e4066Sahrens 441fa9e4066Sahrens while ((opt = getopt(argc, argv, 442*e14bb325SJeff Bonwick "v:s:a:m:r:R:d:t:g:i:k:p:f:VET:P:h")) != EOF) { 443fa9e4066Sahrens value = 0; 444fa9e4066Sahrens switch (opt) { 4453d7072f8Seschrock case 'v': 4463d7072f8Seschrock case 's': 4473d7072f8Seschrock case 'a': 4483d7072f8Seschrock case 'm': 4493d7072f8Seschrock case 'r': 4503d7072f8Seschrock case 'R': 4513d7072f8Seschrock case 'd': 4523d7072f8Seschrock case 't': 4533d7072f8Seschrock case 'g': 4543d7072f8Seschrock case 'i': 4553d7072f8Seschrock case 'k': 4563d7072f8Seschrock case 'T': 4573d7072f8Seschrock case 'P': 458fa9e4066Sahrens value = nicenumtoull(optarg); 459fa9e4066Sahrens } 460fa9e4066Sahrens switch (opt) { 4613d7072f8Seschrock case 'v': 462fa9e4066Sahrens zopt_vdevs = value; 463fa9e4066Sahrens break; 4643d7072f8Seschrock case 's': 465fa9e4066Sahrens zopt_vdev_size = MAX(SPA_MINDEVSIZE, value); 466fa9e4066Sahrens break; 4673d7072f8Seschrock case 'a': 468ecc2d604Sbonwick zopt_ashift = value; 469ecc2d604Sbonwick break; 4703d7072f8Seschrock case 'm': 471fa9e4066Sahrens zopt_mirrors = value; 472fa9e4066Sahrens break; 4733d7072f8Seschrock case 'r': 474fa9e4066Sahrens zopt_raidz = MAX(1, value); 475fa9e4066Sahrens break; 4763d7072f8Seschrock case 'R': 47799653d4eSeschrock zopt_raidz_parity = MIN(MAX(value, 1), 2); 47899653d4eSeschrock break; 4793d7072f8Seschrock case 'd': 480ecc2d604Sbonwick zopt_datasets = MAX(1, value); 481fa9e4066Sahrens break; 4823d7072f8Seschrock case 't': 483fa9e4066Sahrens zopt_threads = MAX(1, value); 484fa9e4066Sahrens break; 4853d7072f8Seschrock case 'g': 486e05725b1Sbonwick metaslab_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, value); 487fa9e4066Sahrens break; 4883d7072f8Seschrock case 'i': 489fa9e4066Sahrens zopt_init = value; 490fa9e4066Sahrens break; 4913d7072f8Seschrock case 'k': 492fa9e4066Sahrens zopt_killrate = value; 493fa9e4066Sahrens break; 4943d7072f8Seschrock case 'p': 495fa9e4066Sahrens zopt_pool = strdup(optarg); 496fa9e4066Sahrens break; 4973d7072f8Seschrock case 'f': 498fa9e4066Sahrens zopt_dir = strdup(optarg); 499fa9e4066Sahrens break; 5003d7072f8Seschrock case 'V': 501fa9e4066Sahrens zopt_verbose++; 502fa9e4066Sahrens break; 5033d7072f8Seschrock case 'E': 504fa9e4066Sahrens zopt_init = 0; 505fa9e4066Sahrens break; 5063d7072f8Seschrock case 'T': 507fa9e4066Sahrens zopt_time = value; 508fa9e4066Sahrens break; 5093d7072f8Seschrock case 'P': 510fa9e4066Sahrens zopt_passtime = MAX(1, value); 511fa9e4066Sahrens break; 5123d7072f8Seschrock case 'h': 513f1b4288bSvb usage(B_TRUE); 514f1b4288bSvb break; 5153d7072f8Seschrock case '?': 5163d7072f8Seschrock default: 517f1b4288bSvb usage(B_FALSE); 518fa9e4066Sahrens break; 519fa9e4066Sahrens } 520fa9e4066Sahrens } 521fa9e4066Sahrens 52299653d4eSeschrock zopt_raidz_parity = MIN(zopt_raidz_parity, zopt_raidz - 1); 52399653d4eSeschrock 524fa9e4066Sahrens zopt_vdevtime = (zopt_vdevs > 0 ? zopt_time / zopt_vdevs : UINT64_MAX); 52599653d4eSeschrock zopt_maxfaults = MAX(zopt_mirrors, 1) * (zopt_raidz_parity + 1) - 1; 526fa9e4066Sahrens } 527fa9e4066Sahrens 528ecc2d604Sbonwick static uint64_t 529ecc2d604Sbonwick ztest_get_ashift(void) 530ecc2d604Sbonwick { 531ecc2d604Sbonwick if (zopt_ashift == 0) 532ecc2d604Sbonwick return (SPA_MINBLOCKSHIFT + ztest_random(3)); 533ecc2d604Sbonwick return (zopt_ashift); 534ecc2d604Sbonwick } 535ecc2d604Sbonwick 536fa9e4066Sahrens static nvlist_t * 537*e14bb325SJeff Bonwick make_vdev_file(char *path, char *aux, size_t size, uint64_t ashift) 538fa9e4066Sahrens { 539*e14bb325SJeff Bonwick char pathbuf[MAXPATHLEN]; 540fa9e4066Sahrens uint64_t vdev; 541fa9e4066Sahrens nvlist_t *file; 542fa9e4066Sahrens 543*e14bb325SJeff Bonwick if (ashift == 0) 544*e14bb325SJeff Bonwick ashift = ztest_get_ashift(); 545*e14bb325SJeff Bonwick 546*e14bb325SJeff Bonwick if (path == NULL) { 547*e14bb325SJeff Bonwick path = pathbuf; 548fa9e4066Sahrens 549*e14bb325SJeff Bonwick if (aux != NULL) { 550*e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_aux; 551*e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, 552*e14bb325SJeff Bonwick zopt_dir, zopt_pool, aux, vdev); 553*e14bb325SJeff Bonwick } else { 554*e14bb325SJeff Bonwick vdev = ztest_shared->zs_vdev_primaries++; 555*e14bb325SJeff Bonwick (void) sprintf(path, ztest_dev_template, 556*e14bb325SJeff Bonwick zopt_dir, zopt_pool, vdev); 557*e14bb325SJeff Bonwick } 558*e14bb325SJeff Bonwick } 559*e14bb325SJeff Bonwick 560*e14bb325SJeff Bonwick if (size != 0) { 561*e14bb325SJeff Bonwick int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666); 562fa9e4066Sahrens if (fd == -1) 563*e14bb325SJeff Bonwick fatal(1, "can't open %s", path); 564fa9e4066Sahrens if (ftruncate(fd, size) != 0) 565*e14bb325SJeff Bonwick fatal(1, "can't ftruncate %s", path); 566fa9e4066Sahrens (void) close(fd); 567fa9e4066Sahrens } 568fa9e4066Sahrens 569fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 570fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 571*e14bb325SJeff Bonwick VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path) == 0); 572ecc2d604Sbonwick VERIFY(nvlist_add_uint64(file, ZPOOL_CONFIG_ASHIFT, ashift) == 0); 573fa9e4066Sahrens 574fa9e4066Sahrens return (file); 575fa9e4066Sahrens } 576fa9e4066Sahrens 577fa9e4066Sahrens static nvlist_t * 578*e14bb325SJeff Bonwick make_vdev_raidz(char *path, char *aux, size_t size, uint64_t ashift, int r) 579fa9e4066Sahrens { 580fa9e4066Sahrens nvlist_t *raidz, **child; 581fa9e4066Sahrens int c; 582fa9e4066Sahrens 583fa9e4066Sahrens if (r < 2) 584*e14bb325SJeff Bonwick return (make_vdev_file(path, aux, size, ashift)); 585fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 586fa9e4066Sahrens 587fa9e4066Sahrens for (c = 0; c < r; c++) 588*e14bb325SJeff Bonwick child[c] = make_vdev_file(path, aux, size, ashift); 589fa9e4066Sahrens 590fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 591fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 592fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 59399653d4eSeschrock VERIFY(nvlist_add_uint64(raidz, ZPOOL_CONFIG_NPARITY, 59499653d4eSeschrock zopt_raidz_parity) == 0); 595fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 596fa9e4066Sahrens child, r) == 0); 597fa9e4066Sahrens 598fa9e4066Sahrens for (c = 0; c < r; c++) 599fa9e4066Sahrens nvlist_free(child[c]); 600fa9e4066Sahrens 601fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 602fa9e4066Sahrens 603fa9e4066Sahrens return (raidz); 604fa9e4066Sahrens } 605fa9e4066Sahrens 606fa9e4066Sahrens static nvlist_t * 607*e14bb325SJeff Bonwick make_vdev_mirror(char *path, char *aux, size_t size, uint64_t ashift, 608*e14bb325SJeff Bonwick int log, int r, int m) 609fa9e4066Sahrens { 610fa9e4066Sahrens nvlist_t *mirror, **child; 611fa9e4066Sahrens int c; 612fa9e4066Sahrens 613fa9e4066Sahrens if (m < 1) 614*e14bb325SJeff Bonwick return (make_vdev_raidz(path, aux, size, ashift, r)); 615fa9e4066Sahrens 616fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 617fa9e4066Sahrens 618fa9e4066Sahrens for (c = 0; c < m; c++) 619*e14bb325SJeff Bonwick child[c] = make_vdev_raidz(path, aux, size, ashift, r); 620fa9e4066Sahrens 621fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 622fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 623fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 624fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 625fa9e4066Sahrens child, m) == 0); 6268654d025Sperrin VERIFY(nvlist_add_uint64(mirror, ZPOOL_CONFIG_IS_LOG, log) == 0); 627fa9e4066Sahrens 628fa9e4066Sahrens for (c = 0; c < m; c++) 629fa9e4066Sahrens nvlist_free(child[c]); 630fa9e4066Sahrens 631fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 632fa9e4066Sahrens 633fa9e4066Sahrens return (mirror); 634fa9e4066Sahrens } 635fa9e4066Sahrens 636fa9e4066Sahrens static nvlist_t * 637*e14bb325SJeff Bonwick make_vdev_root(char *path, char *aux, size_t size, uint64_t ashift, 638*e14bb325SJeff Bonwick int log, int r, int m, int t) 639fa9e4066Sahrens { 640fa9e4066Sahrens nvlist_t *root, **child; 641fa9e4066Sahrens int c; 642fa9e4066Sahrens 643fa9e4066Sahrens ASSERT(t > 0); 644fa9e4066Sahrens 645fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 646fa9e4066Sahrens 647fa9e4066Sahrens for (c = 0; c < t; c++) 648*e14bb325SJeff Bonwick child[c] = make_vdev_mirror(path, aux, size, ashift, log, r, m); 649fa9e4066Sahrens 650fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 651fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 652*e14bb325SJeff Bonwick VERIFY(nvlist_add_nvlist_array(root, aux ? aux : ZPOOL_CONFIG_CHILDREN, 653fa9e4066Sahrens child, t) == 0); 654fa9e4066Sahrens 655fa9e4066Sahrens for (c = 0; c < t; c++) 656fa9e4066Sahrens nvlist_free(child[c]); 657fa9e4066Sahrens 658fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 659fa9e4066Sahrens 660fa9e4066Sahrens return (root); 661fa9e4066Sahrens } 662fa9e4066Sahrens 663fa9e4066Sahrens static void 664fa9e4066Sahrens ztest_set_random_blocksize(objset_t *os, uint64_t object, dmu_tx_t *tx) 665fa9e4066Sahrens { 666fa9e4066Sahrens int bs = SPA_MINBLOCKSHIFT + 667fa9e4066Sahrens ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1); 668fa9e4066Sahrens int ibs = DN_MIN_INDBLKSHIFT + 669fa9e4066Sahrens ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1); 670fa9e4066Sahrens int error; 671fa9e4066Sahrens 672fa9e4066Sahrens error = dmu_object_set_blocksize(os, object, 1ULL << bs, ibs, tx); 673fa9e4066Sahrens if (error) { 674fa9e4066Sahrens char osname[300]; 675fa9e4066Sahrens dmu_objset_name(os, osname); 676fa9e4066Sahrens fatal(0, "dmu_object_set_blocksize('%s', %llu, %d, %d) = %d", 677fa9e4066Sahrens osname, object, 1 << bs, ibs, error); 678fa9e4066Sahrens } 679fa9e4066Sahrens } 680fa9e4066Sahrens 681fa9e4066Sahrens static uint8_t 682fa9e4066Sahrens ztest_random_checksum(void) 683fa9e4066Sahrens { 684fa9e4066Sahrens uint8_t checksum; 685fa9e4066Sahrens 686fa9e4066Sahrens do { 687fa9e4066Sahrens checksum = ztest_random(ZIO_CHECKSUM_FUNCTIONS); 688fa9e4066Sahrens } while (zio_checksum_table[checksum].ci_zbt); 689fa9e4066Sahrens 690fa9e4066Sahrens if (checksum == ZIO_CHECKSUM_OFF) 691fa9e4066Sahrens checksum = ZIO_CHECKSUM_ON; 692fa9e4066Sahrens 693fa9e4066Sahrens return (checksum); 694fa9e4066Sahrens } 695fa9e4066Sahrens 696fa9e4066Sahrens static uint8_t 697fa9e4066Sahrens ztest_random_compress(void) 698fa9e4066Sahrens { 699fa9e4066Sahrens return ((uint8_t)ztest_random(ZIO_COMPRESS_FUNCTIONS)); 700fa9e4066Sahrens } 701fa9e4066Sahrens 702fa9e4066Sahrens typedef struct ztest_replay { 703fa9e4066Sahrens objset_t *zr_os; 704fa9e4066Sahrens uint64_t zr_assign; 705fa9e4066Sahrens } ztest_replay_t; 706fa9e4066Sahrens 707fa9e4066Sahrens static int 708fa9e4066Sahrens ztest_replay_create(ztest_replay_t *zr, lr_create_t *lr, boolean_t byteswap) 709fa9e4066Sahrens { 710fa9e4066Sahrens objset_t *os = zr->zr_os; 711fa9e4066Sahrens dmu_tx_t *tx; 712fa9e4066Sahrens int error; 713fa9e4066Sahrens 714fa9e4066Sahrens if (byteswap) 715fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 716fa9e4066Sahrens 717fa9e4066Sahrens tx = dmu_tx_create(os); 718fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 719fa9e4066Sahrens error = dmu_tx_assign(tx, zr->zr_assign); 720fa9e4066Sahrens if (error) { 721fa9e4066Sahrens dmu_tx_abort(tx); 722fa9e4066Sahrens return (error); 723fa9e4066Sahrens } 724fa9e4066Sahrens 725fa9e4066Sahrens error = dmu_object_claim(os, lr->lr_doid, lr->lr_mode, 0, 726fa9e4066Sahrens DMU_OT_NONE, 0, tx); 72799653d4eSeschrock ASSERT3U(error, ==, 0); 728fa9e4066Sahrens dmu_tx_commit(tx); 729fa9e4066Sahrens 730fa9e4066Sahrens if (zopt_verbose >= 5) { 731fa9e4066Sahrens char osname[MAXNAMELEN]; 732fa9e4066Sahrens dmu_objset_name(os, osname); 733fa9e4066Sahrens (void) printf("replay create of %s object %llu" 734fa9e4066Sahrens " in txg %llu = %d\n", 735fa9e4066Sahrens osname, (u_longlong_t)lr->lr_doid, 736fa9e4066Sahrens (u_longlong_t)zr->zr_assign, error); 737fa9e4066Sahrens } 738fa9e4066Sahrens 739fa9e4066Sahrens return (error); 740fa9e4066Sahrens } 741fa9e4066Sahrens 742fa9e4066Sahrens static int 743fa9e4066Sahrens ztest_replay_remove(ztest_replay_t *zr, lr_remove_t *lr, boolean_t byteswap) 744fa9e4066Sahrens { 745fa9e4066Sahrens objset_t *os = zr->zr_os; 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); 754fa9e4066Sahrens error = dmu_tx_assign(tx, zr->zr_assign); 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 */ 796*e14bb325SJeff 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 */ 805*e14bb325SJeff 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); 816*e14bb325SJeff 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 834fa9e4066Sahrens /* 835fa9e4066Sahrens * Verify that vdev_add() works as expected. 836fa9e4066Sahrens */ 837fa9e4066Sahrens void 838fa9e4066Sahrens ztest_vdev_add_remove(ztest_args_t *za) 839fa9e4066Sahrens { 840e05725b1Sbonwick spa_t *spa = za->za_spa; 841fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 842fa9e4066Sahrens nvlist_t *nvroot; 843fa9e4066Sahrens int error; 844fa9e4066Sahrens 845fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 846fa9e4066Sahrens 847*e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 848fa9e4066Sahrens 849fa9e4066Sahrens ztest_shared->zs_vdev_primaries = 850fa9e4066Sahrens spa->spa_root_vdev->vdev_children * leaves; 851fa9e4066Sahrens 852*e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 853fa9e4066Sahrens 8548654d025Sperrin /* 8558654d025Sperrin * Make 1/4 of the devices be log devices. 8568654d025Sperrin */ 857*e14bb325SJeff Bonwick nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 8588654d025Sperrin ztest_random(4) == 0, zopt_raidz, zopt_mirrors, 1); 8598654d025Sperrin 860fa9e4066Sahrens error = spa_vdev_add(spa, nvroot); 861fa9e4066Sahrens nvlist_free(nvroot); 862fa9e4066Sahrens 863fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 864fa9e4066Sahrens 865fa9e4066Sahrens if (error == ENOSPC) 866fa9e4066Sahrens ztest_record_enospc("spa_vdev_add"); 867fa9e4066Sahrens else if (error != 0) 868fa9e4066Sahrens fatal(0, "spa_vdev_add() = %d", error); 869*e14bb325SJeff Bonwick } 870fa9e4066Sahrens 871*e14bb325SJeff Bonwick /* 872*e14bb325SJeff Bonwick * Verify that adding/removing aux devices (l2arc, hot spare) works as expected. 873*e14bb325SJeff Bonwick */ 874*e14bb325SJeff Bonwick void 875*e14bb325SJeff Bonwick ztest_vdev_aux_add_remove(ztest_args_t *za) 876*e14bb325SJeff Bonwick { 877*e14bb325SJeff Bonwick spa_t *spa = za->za_spa; 878*e14bb325SJeff Bonwick spa_aux_vdev_t *sav; 879*e14bb325SJeff Bonwick char *aux; 880*e14bb325SJeff Bonwick uint64_t guid = 0; 881*e14bb325SJeff Bonwick int error; 882*e14bb325SJeff Bonwick 883*e14bb325SJeff Bonwick if (ztest_random(3) == 0) { 884*e14bb325SJeff Bonwick sav = &spa->spa_spares; 885*e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_SPARES; 886*e14bb325SJeff Bonwick } else { 887*e14bb325SJeff Bonwick sav = &spa->spa_l2cache; 888*e14bb325SJeff Bonwick aux = ZPOOL_CONFIG_L2CACHE; 889*e14bb325SJeff Bonwick } 890*e14bb325SJeff Bonwick 891*e14bb325SJeff Bonwick (void) mutex_lock(&ztest_shared->zs_vdev_lock); 892*e14bb325SJeff Bonwick 893*e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 894*e14bb325SJeff Bonwick 895*e14bb325SJeff Bonwick if (sav->sav_count != 0 && ztest_random(4) == 0) { 896*e14bb325SJeff Bonwick /* 897*e14bb325SJeff Bonwick * Pick a random device to remove. 898*e14bb325SJeff Bonwick */ 899*e14bb325SJeff Bonwick guid = sav->sav_vdevs[ztest_random(sav->sav_count)]->vdev_guid; 900*e14bb325SJeff Bonwick } else { 901*e14bb325SJeff Bonwick /* 902*e14bb325SJeff Bonwick * Find an unused device we can add. 903*e14bb325SJeff Bonwick */ 904*e14bb325SJeff Bonwick ztest_shared->zs_vdev_aux = 0; 905*e14bb325SJeff Bonwick for (;;) { 906*e14bb325SJeff Bonwick char path[MAXPATHLEN]; 907*e14bb325SJeff Bonwick int c; 908*e14bb325SJeff Bonwick (void) sprintf(path, ztest_aux_template, zopt_dir, 909*e14bb325SJeff Bonwick zopt_pool, aux, ztest_shared->zs_vdev_aux); 910*e14bb325SJeff Bonwick for (c = 0; c < sav->sav_count; c++) 911*e14bb325SJeff Bonwick if (strcmp(sav->sav_vdevs[c]->vdev_path, 912*e14bb325SJeff Bonwick path) == 0) 913*e14bb325SJeff Bonwick break; 914*e14bb325SJeff Bonwick if (c == sav->sav_count) 915*e14bb325SJeff Bonwick break; 916*e14bb325SJeff Bonwick ztest_shared->zs_vdev_aux++; 917*e14bb325SJeff Bonwick } 918*e14bb325SJeff Bonwick } 919*e14bb325SJeff Bonwick 920*e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 921*e14bb325SJeff Bonwick 922*e14bb325SJeff Bonwick if (guid == 0) { 923*e14bb325SJeff Bonwick /* 924*e14bb325SJeff Bonwick * Add a new device. 925*e14bb325SJeff Bonwick */ 926*e14bb325SJeff Bonwick nvlist_t *nvroot = make_vdev_root(NULL, aux, zopt_vdev_size, 0, 927*e14bb325SJeff Bonwick 0, 0, 0, 1); 928*e14bb325SJeff Bonwick error = spa_vdev_add(spa, nvroot); 929*e14bb325SJeff Bonwick if (error != 0) 930*e14bb325SJeff Bonwick fatal(0, "spa_vdev_add(%p) = %d", nvroot, error); 931*e14bb325SJeff Bonwick nvlist_free(nvroot); 932*e14bb325SJeff Bonwick } else { 933*e14bb325SJeff Bonwick /* 934*e14bb325SJeff Bonwick * Remove an existing device. Sometimes, dirty its 935*e14bb325SJeff Bonwick * vdev state first to make sure we handle removal 936*e14bb325SJeff Bonwick * of devices that have pending state changes. 937*e14bb325SJeff Bonwick */ 938*e14bb325SJeff Bonwick if (ztest_random(2) == 0) 939*e14bb325SJeff Bonwick (void) vdev_online(spa, guid, B_FALSE, NULL); 940*e14bb325SJeff Bonwick 941*e14bb325SJeff Bonwick error = spa_vdev_remove(spa, guid, B_FALSE); 942*e14bb325SJeff Bonwick if (error != 0 && error != EBUSY) 943*e14bb325SJeff Bonwick fatal(0, "spa_vdev_remove(%llu) = %d", guid, error); 944*e14bb325SJeff Bonwick } 945*e14bb325SJeff Bonwick 946*e14bb325SJeff Bonwick (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 947fa9e4066Sahrens } 948fa9e4066Sahrens 949ea8dc4b6Seschrock static vdev_t * 950ea8dc4b6Seschrock vdev_lookup_by_path(vdev_t *vd, const char *path) 951ea8dc4b6Seschrock { 952ea8dc4b6Seschrock int c; 953ea8dc4b6Seschrock vdev_t *mvd; 954ea8dc4b6Seschrock 955ea8dc4b6Seschrock if (vd->vdev_path != NULL) { 956ea8dc4b6Seschrock if (vd->vdev_wholedisk == 1) { 957ea8dc4b6Seschrock /* 958ea8dc4b6Seschrock * For whole disks, the internal path has 's0', but the 959ea8dc4b6Seschrock * path passed in by the user doesn't. 960ea8dc4b6Seschrock */ 961ea8dc4b6Seschrock if (strlen(path) == strlen(vd->vdev_path) - 2 && 962ea8dc4b6Seschrock strncmp(path, vd->vdev_path, strlen(path)) == 0) 963ea8dc4b6Seschrock return (vd); 964ea8dc4b6Seschrock } else if (strcmp(path, vd->vdev_path) == 0) { 965ea8dc4b6Seschrock return (vd); 966ea8dc4b6Seschrock } 967ea8dc4b6Seschrock } 968ea8dc4b6Seschrock 969ea8dc4b6Seschrock for (c = 0; c < vd->vdev_children; c++) 970ea8dc4b6Seschrock if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) != 971ea8dc4b6Seschrock NULL) 972ea8dc4b6Seschrock return (mvd); 973ea8dc4b6Seschrock 974ea8dc4b6Seschrock return (NULL); 975ea8dc4b6Seschrock } 976ea8dc4b6Seschrock 977fa9e4066Sahrens /* 978fa9e4066Sahrens * Verify that we can attach and detach devices. 979fa9e4066Sahrens */ 980fa9e4066Sahrens void 981fa9e4066Sahrens ztest_vdev_attach_detach(ztest_args_t *za) 982fa9e4066Sahrens { 983e05725b1Sbonwick spa_t *spa = za->za_spa; 984fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 985ea8dc4b6Seschrock vdev_t *oldvd, *newvd, *pvd; 986*e14bb325SJeff Bonwick nvlist_t *root; 987fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 988fa9e4066Sahrens uint64_t leaf, top; 989ecc2d604Sbonwick uint64_t ashift = ztest_get_ashift(); 990ea8dc4b6Seschrock size_t oldsize, newsize; 991ea8dc4b6Seschrock char oldpath[MAXPATHLEN], newpath[MAXPATHLEN]; 992fa9e4066Sahrens int replacing; 993fa9e4066Sahrens int error, expected_error; 994fa9e4066Sahrens 995fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 996fa9e4066Sahrens 997*e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 998fa9e4066Sahrens 999fa9e4066Sahrens /* 1000fa9e4066Sahrens * Decide whether to do an attach or a replace. 1001fa9e4066Sahrens */ 1002fa9e4066Sahrens replacing = ztest_random(2); 1003fa9e4066Sahrens 1004fa9e4066Sahrens /* 1005fa9e4066Sahrens * Pick a random top-level vdev. 1006fa9e4066Sahrens */ 1007fa9e4066Sahrens top = ztest_random(rvd->vdev_children); 1008fa9e4066Sahrens 1009fa9e4066Sahrens /* 1010fa9e4066Sahrens * Pick a random leaf within it. 1011fa9e4066Sahrens */ 1012fa9e4066Sahrens leaf = ztest_random(leaves); 1013fa9e4066Sahrens 1014fa9e4066Sahrens /* 1015fa9e4066Sahrens * Generate the path to this leaf. The filename will end with 'a'. 1016fa9e4066Sahrens * We'll alternate replacements with a filename that ends with 'b'. 1017fa9e4066Sahrens */ 1018ea8dc4b6Seschrock (void) snprintf(oldpath, sizeof (oldpath), 1019fa9e4066Sahrens ztest_dev_template, zopt_dir, zopt_pool, top * leaves + leaf); 1020fa9e4066Sahrens 1021ea8dc4b6Seschrock bcopy(oldpath, newpath, MAXPATHLEN); 1022fa9e4066Sahrens 1023fa9e4066Sahrens /* 1024fa9e4066Sahrens * If the 'a' file isn't part of the pool, the 'b' file must be. 1025fa9e4066Sahrens */ 1026ea8dc4b6Seschrock if (vdev_lookup_by_path(rvd, oldpath) == NULL) 1027ea8dc4b6Seschrock oldpath[strlen(oldpath) - 1] = 'b'; 1028fa9e4066Sahrens else 1029ea8dc4b6Seschrock newpath[strlen(newpath) - 1] = 'b'; 1030fa9e4066Sahrens 1031fa9e4066Sahrens /* 1032ea8dc4b6Seschrock * Now oldpath represents something that's already in the pool, 1033ea8dc4b6Seschrock * and newpath is the thing we'll try to attach. 1034fa9e4066Sahrens */ 1035ea8dc4b6Seschrock oldvd = vdev_lookup_by_path(rvd, oldpath); 1036ea8dc4b6Seschrock newvd = vdev_lookup_by_path(rvd, newpath); 1037ea8dc4b6Seschrock ASSERT(oldvd != NULL); 1038ea8dc4b6Seschrock pvd = oldvd->vdev_parent; 1039fa9e4066Sahrens 1040fa9e4066Sahrens /* 1041ea8dc4b6Seschrock * Make newsize a little bigger or smaller than oldsize. 1042fa9e4066Sahrens * If it's smaller, the attach should fail. 1043fa9e4066Sahrens * If it's larger, and we're doing a replace, 1044fa9e4066Sahrens * we should get dynamic LUN growth when we're done. 1045fa9e4066Sahrens */ 1046ea8dc4b6Seschrock oldsize = vdev_get_rsize(oldvd); 1047ea8dc4b6Seschrock newsize = 10 * oldsize / (9 + ztest_random(3)); 1048fa9e4066Sahrens 1049fa9e4066Sahrens /* 1050fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 1051fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 1052fa9e4066Sahrens * 1053ea8dc4b6Seschrock * If newvd is already part of the pool, it should fail with EBUSY. 1054fa9e4066Sahrens * 1055ea8dc4b6Seschrock * If newvd is too small, it should fail with EOVERFLOW. 1056fa9e4066Sahrens */ 1057b5989ec7Seschrock if (newvd != NULL) 1058b5989ec7Seschrock expected_error = EBUSY; 1059b5989ec7Seschrock else if (pvd->vdev_ops != &vdev_mirror_ops && 1060fa9e4066Sahrens pvd->vdev_ops != &vdev_root_ops && 1061fa9e4066Sahrens (!replacing || pvd->vdev_ops == &vdev_replacing_ops)) 1062fa9e4066Sahrens expected_error = ENOTSUP; 1063ea8dc4b6Seschrock else if (newsize < oldsize) 1064fa9e4066Sahrens expected_error = EOVERFLOW; 1065ecc2d604Sbonwick else if (ashift > oldvd->vdev_top->vdev_ashift) 1066ecc2d604Sbonwick expected_error = EDOM; 1067fa9e4066Sahrens else 1068fa9e4066Sahrens expected_error = 0; 1069fa9e4066Sahrens 1070*e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 1071fa9e4066Sahrens 1072fa9e4066Sahrens /* 1073ea8dc4b6Seschrock * Build the nvlist describing newpath. 1074fa9e4066Sahrens */ 1075*e14bb325SJeff Bonwick root = make_vdev_root(newpath, NULL, newvd == NULL ? newsize : 0, 1076*e14bb325SJeff Bonwick ashift, 0, 0, 0, 1); 1077fa9e4066Sahrens 1078ea8dc4b6Seschrock error = spa_vdev_attach(spa, oldvd->vdev_guid, root, replacing); 1079fa9e4066Sahrens 1080fa9e4066Sahrens nvlist_free(root); 1081fa9e4066Sahrens 1082fa9e4066Sahrens /* 1083fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 1084fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 1085fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 1086fa9e4066Sahrens */ 1087fa9e4066Sahrens if (expected_error == ENOTSUP && 1088fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 1089fa9e4066Sahrens expected_error = error; 1090fa9e4066Sahrens 1091f0aa80d4Sbonwick /* 1092f0aa80d4Sbonwick * If someone grew the LUN, the replacement may be too small. 1093f0aa80d4Sbonwick */ 1094088f3894Sahrens if (error == EOVERFLOW || error == EBUSY) 1095f0aa80d4Sbonwick expected_error = error; 1096f0aa80d4Sbonwick 1097088f3894Sahrens /* XXX workaround 6690467 */ 1098088f3894Sahrens if (error != expected_error && expected_error != EBUSY) { 1099088f3894Sahrens fatal(0, "attach (%s %llu, %s %llu, %d) " 1100088f3894Sahrens "returned %d, expected %d", 1101088f3894Sahrens oldpath, (longlong_t)oldsize, newpath, 1102088f3894Sahrens (longlong_t)newsize, replacing, error, expected_error); 1103fa9e4066Sahrens } 1104fa9e4066Sahrens 1105fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1106fa9e4066Sahrens } 1107fa9e4066Sahrens 1108fa9e4066Sahrens /* 1109fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 1110fa9e4066Sahrens */ 1111fa9e4066Sahrens /* ARGSUSED */ 1112fa9e4066Sahrens void 1113fa9e4066Sahrens ztest_vdev_LUN_growth(ztest_args_t *za) 1114fa9e4066Sahrens { 1115e05725b1Sbonwick spa_t *spa = za->za_spa; 1116fa9e4066Sahrens char dev_name[MAXPATHLEN]; 1117fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 1118fa9e4066Sahrens uint64_t vdev; 1119fa9e4066Sahrens size_t fsize; 1120fa9e4066Sahrens int fd; 1121fa9e4066Sahrens 1122fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 1123fa9e4066Sahrens 1124fa9e4066Sahrens /* 1125fa9e4066Sahrens * Pick a random leaf vdev. 1126fa9e4066Sahrens */ 1127*e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 1128fa9e4066Sahrens vdev = ztest_random(spa->spa_root_vdev->vdev_children * leaves); 1129*e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 1130fa9e4066Sahrens 1131fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 1132fa9e4066Sahrens 1133fa9e4066Sahrens if ((fd = open(dev_name, O_RDWR)) != -1) { 1134fa9e4066Sahrens /* 1135fa9e4066Sahrens * Determine the size. 1136fa9e4066Sahrens */ 1137fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 1138fa9e4066Sahrens 1139fa9e4066Sahrens /* 1140fa9e4066Sahrens * If it's less than 2x the original size, grow by around 3%. 1141fa9e4066Sahrens */ 1142fa9e4066Sahrens if (fsize < 2 * zopt_vdev_size) { 1143fa9e4066Sahrens size_t newsize = fsize + ztest_random(fsize / 32); 1144fa9e4066Sahrens (void) ftruncate(fd, newsize); 1145fa9e4066Sahrens if (zopt_verbose >= 6) { 1146fa9e4066Sahrens (void) printf("%s grew from %lu to %lu bytes\n", 1147fa9e4066Sahrens dev_name, (ulong_t)fsize, (ulong_t)newsize); 1148fa9e4066Sahrens } 1149fa9e4066Sahrens } 1150fa9e4066Sahrens (void) close(fd); 1151fa9e4066Sahrens } 1152fa9e4066Sahrens 1153fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 1154fa9e4066Sahrens } 1155fa9e4066Sahrens 1156fa9e4066Sahrens /* ARGSUSED */ 1157fa9e4066Sahrens static void 1158ecd6cf80Smarks ztest_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) 1159fa9e4066Sahrens { 1160fa9e4066Sahrens /* 1161fa9e4066Sahrens * Create the directory object. 1162fa9e4066Sahrens */ 1163fa9e4066Sahrens VERIFY(dmu_object_claim(os, ZTEST_DIROBJ, 1164fa9e4066Sahrens DMU_OT_UINT64_OTHER, ZTEST_DIROBJ_BLOCKSIZE, 1165e05725b1Sbonwick DMU_OT_UINT64_OTHER, 5 * sizeof (ztest_block_tag_t), tx) == 0); 1166fa9e4066Sahrens 1167fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_MICROZAP_OBJ, 1168fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1169fa9e4066Sahrens 1170fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_FATZAP_OBJ, 1171fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1172fa9e4066Sahrens } 1173fa9e4066Sahrens 11741d452cf5Sahrens static int 1175fa9e4066Sahrens ztest_destroy_cb(char *name, void *arg) 1176fa9e4066Sahrens { 1177e05725b1Sbonwick ztest_args_t *za = arg; 1178fa9e4066Sahrens objset_t *os; 1179e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 1180fa9e4066Sahrens int error; 1181fa9e4066Sahrens 1182fa9e4066Sahrens /* 1183fa9e4066Sahrens * Verify that the dataset contains a directory object. 1184fa9e4066Sahrens */ 1185fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, 1186745cd3c5Smaybee DS_MODE_USER | DS_MODE_READONLY, &os); 1187fa9e4066Sahrens ASSERT3U(error, ==, 0); 1188e05725b1Sbonwick error = dmu_object_info(os, ZTEST_DIROBJ, doi); 1189e1930233Sbonwick if (error != ENOENT) { 1190e1930233Sbonwick /* We could have crashed in the middle of destroying it */ 1191e1930233Sbonwick ASSERT3U(error, ==, 0); 1192e05725b1Sbonwick ASSERT3U(doi->doi_type, ==, DMU_OT_UINT64_OTHER); 1193e05725b1Sbonwick ASSERT3S(doi->doi_physical_blks, >=, 0); 1194e1930233Sbonwick } 1195fa9e4066Sahrens dmu_objset_close(os); 1196fa9e4066Sahrens 1197fa9e4066Sahrens /* 1198fa9e4066Sahrens * Destroy the dataset. 1199fa9e4066Sahrens */ 1200fa9e4066Sahrens error = dmu_objset_destroy(name); 1201745cd3c5Smaybee if (error) { 1202745cd3c5Smaybee (void) dmu_objset_open(name, DMU_OST_OTHER, 1203745cd3c5Smaybee DS_MODE_USER | DS_MODE_READONLY, &os); 1204745cd3c5Smaybee fatal(0, "dmu_objset_destroy(os=%p) = %d\n", &os, error); 1205745cd3c5Smaybee } 12061d452cf5Sahrens return (0); 1207fa9e4066Sahrens } 1208fa9e4066Sahrens 1209fa9e4066Sahrens /* 1210fa9e4066Sahrens * Verify that dmu_objset_{create,destroy,open,close} work as expected. 1211fa9e4066Sahrens */ 1212fa9e4066Sahrens static uint64_t 1213fa9e4066Sahrens ztest_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t object, int mode) 1214fa9e4066Sahrens { 1215fa9e4066Sahrens itx_t *itx; 1216fa9e4066Sahrens lr_create_t *lr; 1217fa9e4066Sahrens size_t namesize; 1218fa9e4066Sahrens char name[24]; 1219fa9e4066Sahrens 1220fa9e4066Sahrens (void) sprintf(name, "ZOBJ_%llu", (u_longlong_t)object); 1221fa9e4066Sahrens namesize = strlen(name) + 1; 1222fa9e4066Sahrens 1223fa9e4066Sahrens itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize + 1224fa9e4066Sahrens ztest_random(ZIL_MAX_BLKSZ)); 1225fa9e4066Sahrens lr = (lr_create_t *)&itx->itx_lr; 1226fa9e4066Sahrens bzero(lr + 1, lr->lr_common.lrc_reclen - sizeof (*lr)); 1227fa9e4066Sahrens lr->lr_doid = object; 1228fa9e4066Sahrens lr->lr_foid = 0; 1229fa9e4066Sahrens lr->lr_mode = mode; 1230fa9e4066Sahrens lr->lr_uid = 0; 1231fa9e4066Sahrens lr->lr_gid = 0; 1232fa9e4066Sahrens lr->lr_gen = dmu_tx_get_txg(tx); 1233fa9e4066Sahrens lr->lr_crtime[0] = time(NULL); 1234fa9e4066Sahrens lr->lr_crtime[1] = 0; 1235fa9e4066Sahrens lr->lr_rdev = 0; 1236fa9e4066Sahrens bcopy(name, (char *)(lr + 1), namesize); 1237fa9e4066Sahrens 1238fa9e4066Sahrens return (zil_itx_assign(zilog, itx, tx)); 1239fa9e4066Sahrens } 1240fa9e4066Sahrens 1241fa9e4066Sahrens void 1242fa9e4066Sahrens ztest_dmu_objset_create_destroy(ztest_args_t *za) 1243fa9e4066Sahrens { 1244fa9e4066Sahrens int error; 1245745cd3c5Smaybee objset_t *os, *os2; 1246fa9e4066Sahrens char name[100]; 1247745cd3c5Smaybee int basemode, expected_error; 1248fa9e4066Sahrens zilog_t *zilog; 1249fa9e4066Sahrens uint64_t seq; 1250fa9e4066Sahrens uint64_t objects; 1251fa9e4066Sahrens ztest_replay_t zr; 1252fa9e4066Sahrens 1253fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1254fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_temp_%llu", za->za_pool, za->za_pool, 1255fa9e4066Sahrens (u_longlong_t)za->za_instance); 1256fa9e4066Sahrens 1257745cd3c5Smaybee basemode = DS_MODE_TYPE(za->za_instance); 1258745cd3c5Smaybee if (basemode != DS_MODE_USER && basemode != DS_MODE_OWNER) 1259745cd3c5Smaybee basemode = DS_MODE_USER; 1260fa9e4066Sahrens 1261fa9e4066Sahrens /* 1262fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 1263fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 1264fa9e4066Sahrens * (invoked from ztest_destroy_cb() below) should just throw it away. 1265fa9e4066Sahrens */ 1266fa9e4066Sahrens if (ztest_random(2) == 0 && 1267745cd3c5Smaybee dmu_objset_open(name, DMU_OST_OTHER, DS_MODE_OWNER, &os) == 0) { 1268fa9e4066Sahrens zr.zr_os = os; 1269a6e57bd4SNeil Perrin zil_replay(os, &zr, &zr.zr_assign, ztest_replay_vector, NULL); 1270fa9e4066Sahrens dmu_objset_close(os); 1271fa9e4066Sahrens } 1272fa9e4066Sahrens 1273fa9e4066Sahrens /* 1274fa9e4066Sahrens * There may be an old instance of the dataset we're about to 1275fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 1276fa9e4066Sahrens * and all of its snapshots. 1277fa9e4066Sahrens */ 1278e05725b1Sbonwick (void) dmu_objset_find(name, ztest_destroy_cb, za, 12790b69c2f0Sahrens DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS); 1280fa9e4066Sahrens 1281fa9e4066Sahrens /* 1282fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 1283fa9e4066Sahrens */ 1284fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, basemode, &os); 1285fa9e4066Sahrens if (error != ENOENT) 1286fa9e4066Sahrens fatal(1, "dmu_objset_open(%s) found destroyed dataset %p", 1287fa9e4066Sahrens name, os); 1288fa9e4066Sahrens 1289fa9e4066Sahrens /* 1290fa9e4066Sahrens * Verify that we can create a new dataset. 1291fa9e4066Sahrens */ 1292ab04eb8eStimh error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0, 1293ab04eb8eStimh ztest_create_cb, NULL); 1294fa9e4066Sahrens if (error) { 1295fa9e4066Sahrens if (error == ENOSPC) { 1296fa9e4066Sahrens ztest_record_enospc("dmu_objset_create"); 1297fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1298fa9e4066Sahrens return; 1299fa9e4066Sahrens } 1300fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 1301fa9e4066Sahrens } 1302fa9e4066Sahrens 1303fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, basemode, &os); 1304fa9e4066Sahrens if (error) { 1305fa9e4066Sahrens fatal(0, "dmu_objset_open(%s) = %d", name, error); 1306fa9e4066Sahrens } 1307fa9e4066Sahrens 1308fa9e4066Sahrens /* 1309fa9e4066Sahrens * Open the intent log for it. 1310fa9e4066Sahrens */ 1311fa9e4066Sahrens zilog = zil_open(os, NULL); 1312fa9e4066Sahrens 1313fa9e4066Sahrens /* 1314fa9e4066Sahrens * Put a random number of objects in there. 1315fa9e4066Sahrens */ 1316d80c45e0Sbonwick objects = ztest_random(20); 1317fa9e4066Sahrens seq = 0; 1318fa9e4066Sahrens while (objects-- != 0) { 1319fa9e4066Sahrens uint64_t object; 1320fa9e4066Sahrens dmu_tx_t *tx = dmu_tx_create(os); 1321fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, sizeof (name)); 1322fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1323fa9e4066Sahrens if (error) { 1324fa9e4066Sahrens dmu_tx_abort(tx); 1325fa9e4066Sahrens } else { 1326fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1327fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1328fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1329fa9e4066Sahrens seq = ztest_log_create(zilog, tx, object, 1330fa9e4066Sahrens DMU_OT_UINT64_OTHER); 1331fa9e4066Sahrens dmu_write(os, object, 0, sizeof (name), name, tx); 1332fa9e4066Sahrens dmu_tx_commit(tx); 1333fa9e4066Sahrens } 1334fa9e4066Sahrens if (ztest_random(5) == 0) { 1335b19a79ecSperrin zil_commit(zilog, seq, object); 1336fa9e4066Sahrens } 1337d80c45e0Sbonwick if (ztest_random(100) == 0) { 1338fa9e4066Sahrens error = zil_suspend(zilog); 1339fa9e4066Sahrens if (error == 0) { 1340fa9e4066Sahrens zil_resume(zilog); 1341fa9e4066Sahrens } 1342fa9e4066Sahrens } 1343fa9e4066Sahrens } 1344fa9e4066Sahrens 1345fa9e4066Sahrens /* 1346fa9e4066Sahrens * Verify that we cannot create an existing dataset. 1347fa9e4066Sahrens */ 1348ab04eb8eStimh error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0, NULL, NULL); 1349fa9e4066Sahrens if (error != EEXIST) 1350fa9e4066Sahrens fatal(0, "created existing dataset, error = %d", error); 1351fa9e4066Sahrens 1352fa9e4066Sahrens /* 1353745cd3c5Smaybee * Verify that multiple dataset holds are allowed, but only when 1354fa9e4066Sahrens * the new access mode is compatible with the base mode. 1355745cd3c5Smaybee */ 1356745cd3c5Smaybee if (basemode == DS_MODE_OWNER) { 1357745cd3c5Smaybee error = dmu_objset_open(name, DMU_OST_OTHER, DS_MODE_USER, 1358745cd3c5Smaybee &os2); 1359745cd3c5Smaybee if (error) 1360745cd3c5Smaybee fatal(0, "dmu_objset_open('%s') = %d", name, error); 1361745cd3c5Smaybee else 1362fa9e4066Sahrens dmu_objset_close(os2); 1363fa9e4066Sahrens } 1364745cd3c5Smaybee error = dmu_objset_open(name, DMU_OST_OTHER, DS_MODE_OWNER, &os2); 1365745cd3c5Smaybee expected_error = (basemode == DS_MODE_OWNER) ? EBUSY : 0; 1366745cd3c5Smaybee if (error != expected_error) 1367745cd3c5Smaybee fatal(0, "dmu_objset_open('%s') = %d, expected %d", 1368745cd3c5Smaybee name, error, expected_error); 1369745cd3c5Smaybee if (error == 0) 1370745cd3c5Smaybee dmu_objset_close(os2); 1371fa9e4066Sahrens 1372fa9e4066Sahrens zil_close(zilog); 1373fa9e4066Sahrens dmu_objset_close(os); 1374fa9e4066Sahrens 1375fa9e4066Sahrens error = dmu_objset_destroy(name); 1376fa9e4066Sahrens if (error) 1377fa9e4066Sahrens fatal(0, "dmu_objset_destroy(%s) = %d", name, error); 1378fa9e4066Sahrens 1379fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1380fa9e4066Sahrens } 1381fa9e4066Sahrens 1382fa9e4066Sahrens /* 1383fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 1384fa9e4066Sahrens */ 1385fa9e4066Sahrens void 1386fa9e4066Sahrens ztest_dmu_snapshot_create_destroy(ztest_args_t *za) 1387fa9e4066Sahrens { 1388fa9e4066Sahrens int error; 1389fa9e4066Sahrens objset_t *os = za->za_os; 1390fa9e4066Sahrens char snapname[100]; 1391fa9e4066Sahrens char osname[MAXNAMELEN]; 1392fa9e4066Sahrens 1393fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1394fa9e4066Sahrens dmu_objset_name(os, osname); 1395fa9e4066Sahrens (void) snprintf(snapname, 100, "%s@%llu", osname, 1396fa9e4066Sahrens (u_longlong_t)za->za_instance); 1397fa9e4066Sahrens 1398fa9e4066Sahrens error = dmu_objset_destroy(snapname); 1399fa9e4066Sahrens if (error != 0 && error != ENOENT) 1400fa9e4066Sahrens fatal(0, "dmu_objset_destroy() = %d", error); 14011d452cf5Sahrens error = dmu_objset_snapshot(osname, strchr(snapname, '@')+1, FALSE); 1402fa9e4066Sahrens if (error == ENOSPC) 1403fa9e4066Sahrens ztest_record_enospc("dmu_take_snapshot"); 1404fa9e4066Sahrens else if (error != 0 && error != EEXIST) 1405fa9e4066Sahrens fatal(0, "dmu_take_snapshot() = %d", error); 1406fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1407fa9e4066Sahrens } 1408fa9e4066Sahrens 1409fa9e4066Sahrens #define ZTEST_TRAVERSE_BLOCKS 1000 1410fa9e4066Sahrens 1411fa9e4066Sahrens static int 1412fa9e4066Sahrens ztest_blk_cb(traverse_blk_cache_t *bc, spa_t *spa, void *arg) 1413fa9e4066Sahrens { 1414fa9e4066Sahrens ztest_args_t *za = arg; 1415fa9e4066Sahrens zbookmark_t *zb = &bc->bc_bookmark; 1416fa9e4066Sahrens blkptr_t *bp = &bc->bc_blkptr; 1417fa9e4066Sahrens dnode_phys_t *dnp = bc->bc_dnode; 1418fa9e4066Sahrens traverse_handle_t *th = za->za_th; 1419fa9e4066Sahrens uint64_t size = BP_GET_LSIZE(bp); 1420fa9e4066Sahrens 1421ea8dc4b6Seschrock /* 1422ea8dc4b6Seschrock * Level -1 indicates the objset_phys_t or something in its intent log. 1423ea8dc4b6Seschrock */ 1424ea8dc4b6Seschrock if (zb->zb_level == -1) { 1425ea8dc4b6Seschrock if (BP_GET_TYPE(bp) == DMU_OT_OBJSET) { 1426ea8dc4b6Seschrock ASSERT3U(zb->zb_object, ==, 0); 1427ea8dc4b6Seschrock ASSERT3U(zb->zb_blkid, ==, 0); 1428ea8dc4b6Seschrock ASSERT3U(size, ==, sizeof (objset_phys_t)); 1429ea8dc4b6Seschrock za->za_zil_seq = 0; 1430ea8dc4b6Seschrock } else if (BP_GET_TYPE(bp) == DMU_OT_INTENT_LOG) { 1431ea8dc4b6Seschrock ASSERT3U(zb->zb_object, ==, 0); 1432ea8dc4b6Seschrock ASSERT3U(zb->zb_blkid, >, za->za_zil_seq); 1433ea8dc4b6Seschrock za->za_zil_seq = zb->zb_blkid; 1434ea8dc4b6Seschrock } else { 1435ea8dc4b6Seschrock ASSERT3U(zb->zb_object, !=, 0); /* lr_write_t */ 1436ea8dc4b6Seschrock } 1437ea8dc4b6Seschrock 1438ea8dc4b6Seschrock return (0); 1439ea8dc4b6Seschrock } 1440ea8dc4b6Seschrock 1441fa9e4066Sahrens ASSERT(dnp != NULL); 1442fa9e4066Sahrens 1443fa9e4066Sahrens if (bc->bc_errno) 1444fa9e4066Sahrens return (ERESTART); 1445fa9e4066Sahrens 1446fa9e4066Sahrens /* 1447fa9e4066Sahrens * Once in a while, abort the traverse. We only do this to odd 1448fa9e4066Sahrens * instance numbers to ensure that even ones can run to completion. 1449fa9e4066Sahrens */ 1450fa9e4066Sahrens if ((za->za_instance & 1) && ztest_random(10000) == 0) 1451fa9e4066Sahrens return (EINTR); 1452fa9e4066Sahrens 1453fa9e4066Sahrens if (bp->blk_birth == 0) { 1454fa9e4066Sahrens ASSERT(th->th_advance & ADVANCE_HOLES); 1455fa9e4066Sahrens return (0); 1456fa9e4066Sahrens } 1457fa9e4066Sahrens 1458fa9e4066Sahrens if (zb->zb_level == 0 && !(th->th_advance & ADVANCE_DATA) && 1459fa9e4066Sahrens bc == &th->th_cache[ZB_DN_CACHE][0]) { 1460fa9e4066Sahrens ASSERT(bc->bc_data == NULL); 1461fa9e4066Sahrens return (0); 1462fa9e4066Sahrens } 1463fa9e4066Sahrens 1464fa9e4066Sahrens ASSERT(bc->bc_data != NULL); 1465fa9e4066Sahrens 1466fa9e4066Sahrens /* 1467fa9e4066Sahrens * This is an expensive question, so don't ask it too often. 1468fa9e4066Sahrens */ 1469fa9e4066Sahrens if (((za->za_random ^ th->th_callbacks) & 0xff) == 0) { 1470fa9e4066Sahrens void *xbuf = umem_alloc(size, UMEM_NOFAIL); 1471fa9e4066Sahrens if (arc_tryread(spa, bp, xbuf) == 0) { 1472fa9e4066Sahrens ASSERT(bcmp(bc->bc_data, xbuf, size) == 0); 1473fa9e4066Sahrens } 1474fa9e4066Sahrens umem_free(xbuf, size); 1475fa9e4066Sahrens } 1476fa9e4066Sahrens 1477fa9e4066Sahrens if (zb->zb_level > 0) { 1478fa9e4066Sahrens ASSERT3U(size, ==, 1ULL << dnp->dn_indblkshift); 1479fa9e4066Sahrens return (0); 1480fa9e4066Sahrens } 1481fa9e4066Sahrens 1482fa9e4066Sahrens ASSERT(zb->zb_level == 0); 1483fa9e4066Sahrens ASSERT3U(size, ==, dnp->dn_datablkszsec << DEV_BSHIFT); 1484fa9e4066Sahrens 1485fa9e4066Sahrens return (0); 1486fa9e4066Sahrens } 1487fa9e4066Sahrens 1488fa9e4066Sahrens /* 1489fa9e4066Sahrens * Verify that live pool traversal works. 1490fa9e4066Sahrens */ 1491fa9e4066Sahrens void 1492fa9e4066Sahrens ztest_traverse(ztest_args_t *za) 1493fa9e4066Sahrens { 1494e05725b1Sbonwick spa_t *spa = za->za_spa; 1495fa9e4066Sahrens traverse_handle_t *th = za->za_th; 1496fa9e4066Sahrens int rc, advance; 1497fa9e4066Sahrens uint64_t cbstart, cblimit; 1498fa9e4066Sahrens 1499fa9e4066Sahrens if (th == NULL) { 1500fa9e4066Sahrens advance = 0; 1501fa9e4066Sahrens 1502fa9e4066Sahrens if (ztest_random(2) == 0) 1503fa9e4066Sahrens advance |= ADVANCE_PRE; 1504fa9e4066Sahrens 1505fa9e4066Sahrens if (ztest_random(2) == 0) 1506fa9e4066Sahrens advance |= ADVANCE_PRUNE; 1507fa9e4066Sahrens 1508fa9e4066Sahrens if (ztest_random(2) == 0) 1509fa9e4066Sahrens advance |= ADVANCE_DATA; 1510fa9e4066Sahrens 1511fa9e4066Sahrens if (ztest_random(2) == 0) 1512fa9e4066Sahrens advance |= ADVANCE_HOLES; 1513fa9e4066Sahrens 1514ea8dc4b6Seschrock if (ztest_random(2) == 0) 1515ea8dc4b6Seschrock advance |= ADVANCE_ZIL; 1516ea8dc4b6Seschrock 1517fa9e4066Sahrens th = za->za_th = traverse_init(spa, ztest_blk_cb, za, advance, 1518fa9e4066Sahrens ZIO_FLAG_CANFAIL); 1519fa9e4066Sahrens 1520fa9e4066Sahrens traverse_add_pool(th, 0, -1ULL); 1521fa9e4066Sahrens } 1522fa9e4066Sahrens 1523fa9e4066Sahrens advance = th->th_advance; 1524fa9e4066Sahrens cbstart = th->th_callbacks; 1525fa9e4066Sahrens cblimit = cbstart + ((advance & ADVANCE_DATA) ? 100 : 1000); 1526fa9e4066Sahrens 1527fa9e4066Sahrens while ((rc = traverse_more(th)) == EAGAIN && th->th_callbacks < cblimit) 1528fa9e4066Sahrens continue; 1529fa9e4066Sahrens 1530fa9e4066Sahrens if (zopt_verbose >= 5) 1531fa9e4066Sahrens (void) printf("traverse %s%s%s%s %llu blocks to " 1532ea8dc4b6Seschrock "<%llu, %llu, %lld, %llx>%s\n", 1533fa9e4066Sahrens (advance & ADVANCE_PRE) ? "pre" : "post", 1534fa9e4066Sahrens (advance & ADVANCE_PRUNE) ? "|prune" : "", 1535fa9e4066Sahrens (advance & ADVANCE_DATA) ? "|data" : "", 1536fa9e4066Sahrens (advance & ADVANCE_HOLES) ? "|holes" : "", 1537fa9e4066Sahrens (u_longlong_t)(th->th_callbacks - cbstart), 1538fa9e4066Sahrens (u_longlong_t)th->th_lastcb.zb_objset, 1539fa9e4066Sahrens (u_longlong_t)th->th_lastcb.zb_object, 1540ea8dc4b6Seschrock (u_longlong_t)th->th_lastcb.zb_level, 1541fa9e4066Sahrens (u_longlong_t)th->th_lastcb.zb_blkid, 1542fa9e4066Sahrens rc == 0 ? " [done]" : 1543fa9e4066Sahrens rc == EINTR ? " [aborted]" : 1544fa9e4066Sahrens rc == EAGAIN ? "" : 1545fa9e4066Sahrens strerror(rc)); 1546fa9e4066Sahrens 1547fa9e4066Sahrens if (rc != EAGAIN) { 1548fa9e4066Sahrens if (rc != 0 && rc != EINTR) 1549fa9e4066Sahrens fatal(0, "traverse_more(%p) = %d", th, rc); 1550fa9e4066Sahrens traverse_fini(th); 1551fa9e4066Sahrens za->za_th = NULL; 1552fa9e4066Sahrens } 1553fa9e4066Sahrens } 1554fa9e4066Sahrens 1555fa9e4066Sahrens /* 1556fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 1557fa9e4066Sahrens */ 1558fa9e4066Sahrens void 1559fa9e4066Sahrens ztest_dmu_object_alloc_free(ztest_args_t *za) 1560fa9e4066Sahrens { 1561fa9e4066Sahrens objset_t *os = za->za_os; 1562fa9e4066Sahrens dmu_buf_t *db; 1563fa9e4066Sahrens dmu_tx_t *tx; 1564fa9e4066Sahrens uint64_t batchobj, object, batchsize, endoff, temp; 1565fa9e4066Sahrens int b, c, error, bonuslen; 1566e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 1567fa9e4066Sahrens char osname[MAXNAMELEN]; 1568fa9e4066Sahrens 1569fa9e4066Sahrens dmu_objset_name(os, osname); 1570fa9e4066Sahrens 1571fa9e4066Sahrens endoff = -8ULL; 1572fa9e4066Sahrens batchsize = 2; 1573fa9e4066Sahrens 1574fa9e4066Sahrens /* 1575fa9e4066Sahrens * Create a batch object if necessary, and record it in the directory. 1576fa9e4066Sahrens */ 1577*e14bb325SJeff Bonwick VERIFY3U(0, ==, dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 1578ea8dc4b6Seschrock sizeof (uint64_t), &batchobj)); 1579fa9e4066Sahrens if (batchobj == 0) { 1580fa9e4066Sahrens tx = dmu_tx_create(os); 1581fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 1582fa9e4066Sahrens sizeof (uint64_t)); 1583fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1584fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1585fa9e4066Sahrens if (error) { 1586fa9e4066Sahrens ztest_record_enospc("create a batch object"); 1587fa9e4066Sahrens dmu_tx_abort(tx); 1588fa9e4066Sahrens return; 1589fa9e4066Sahrens } 1590fa9e4066Sahrens batchobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1591fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1592fa9e4066Sahrens ztest_set_random_blocksize(os, batchobj, tx); 1593fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 1594fa9e4066Sahrens sizeof (uint64_t), &batchobj, tx); 1595fa9e4066Sahrens dmu_tx_commit(tx); 1596fa9e4066Sahrens } 1597fa9e4066Sahrens 1598fa9e4066Sahrens /* 1599fa9e4066Sahrens * Destroy the previous batch of objects. 1600fa9e4066Sahrens */ 1601fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1602088f3894Sahrens VERIFY3U(0, ==, dmu_read(os, batchobj, b * sizeof (uint64_t), 1603ea8dc4b6Seschrock sizeof (uint64_t), &object)); 1604fa9e4066Sahrens if (object == 0) 1605fa9e4066Sahrens continue; 1606fa9e4066Sahrens /* 1607fa9e4066Sahrens * Read and validate contents. 1608fa9e4066Sahrens * We expect the nth byte of the bonus buffer to be n. 1609fa9e4066Sahrens */ 1610ea8dc4b6Seschrock VERIFY(0 == dmu_bonus_hold(os, object, FTAG, &db)); 1611e05725b1Sbonwick za->za_dbuf = db; 1612fa9e4066Sahrens 1613e05725b1Sbonwick dmu_object_info_from_db(db, doi); 1614e05725b1Sbonwick ASSERT(doi->doi_type == DMU_OT_UINT64_OTHER); 1615e05725b1Sbonwick ASSERT(doi->doi_bonus_type == DMU_OT_PLAIN_OTHER); 1616e05725b1Sbonwick ASSERT3S(doi->doi_physical_blks, >=, 0); 1617fa9e4066Sahrens 1618e05725b1Sbonwick bonuslen = doi->doi_bonus_size; 1619fa9e4066Sahrens 1620fa9e4066Sahrens for (c = 0; c < bonuslen; c++) { 1621fa9e4066Sahrens if (((uint8_t *)db->db_data)[c] != 1622fa9e4066Sahrens (uint8_t)(c + bonuslen)) { 1623fa9e4066Sahrens fatal(0, 1624fa9e4066Sahrens "bad bonus: %s, obj %llu, off %d: %u != %u", 1625fa9e4066Sahrens osname, object, c, 1626fa9e4066Sahrens ((uint8_t *)db->db_data)[c], 1627fa9e4066Sahrens (uint8_t)(c + bonuslen)); 1628fa9e4066Sahrens } 1629fa9e4066Sahrens } 1630fa9e4066Sahrens 1631ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1632e05725b1Sbonwick za->za_dbuf = NULL; 1633fa9e4066Sahrens 1634fa9e4066Sahrens /* 1635fa9e4066Sahrens * We expect the word at endoff to be our object number. 1636fa9e4066Sahrens */ 1637ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, object, endoff, 1638ea8dc4b6Seschrock sizeof (uint64_t), &temp)); 1639fa9e4066Sahrens 1640fa9e4066Sahrens if (temp != object) { 1641fa9e4066Sahrens fatal(0, "bad data in %s, got %llu, expected %llu", 1642fa9e4066Sahrens osname, temp, object); 1643fa9e4066Sahrens } 1644fa9e4066Sahrens 1645fa9e4066Sahrens /* 1646fa9e4066Sahrens * Destroy old object and clear batch entry. 1647fa9e4066Sahrens */ 1648fa9e4066Sahrens tx = dmu_tx_create(os); 1649fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, 1650fa9e4066Sahrens b * sizeof (uint64_t), sizeof (uint64_t)); 1651fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1652fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1653fa9e4066Sahrens if (error) { 1654fa9e4066Sahrens ztest_record_enospc("free object"); 1655fa9e4066Sahrens dmu_tx_abort(tx); 1656fa9e4066Sahrens return; 1657fa9e4066Sahrens } 1658fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1659fa9e4066Sahrens if (error) { 1660fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1661fa9e4066Sahrens osname, object, error); 1662fa9e4066Sahrens } 1663fa9e4066Sahrens object = 0; 1664fa9e4066Sahrens 1665fa9e4066Sahrens dmu_object_set_checksum(os, batchobj, 1666fa9e4066Sahrens ztest_random_checksum(), tx); 1667fa9e4066Sahrens dmu_object_set_compress(os, batchobj, 1668fa9e4066Sahrens ztest_random_compress(), tx); 1669fa9e4066Sahrens 1670fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1671fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1672fa9e4066Sahrens 1673fa9e4066Sahrens dmu_tx_commit(tx); 1674fa9e4066Sahrens } 1675fa9e4066Sahrens 1676fa9e4066Sahrens /* 1677fa9e4066Sahrens * Before creating the new batch of objects, generate a bunch of churn. 1678fa9e4066Sahrens */ 1679fa9e4066Sahrens for (b = ztest_random(100); b > 0; b--) { 1680fa9e4066Sahrens tx = dmu_tx_create(os); 1681fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1682fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1683fa9e4066Sahrens if (error) { 1684fa9e4066Sahrens ztest_record_enospc("churn objects"); 1685fa9e4066Sahrens dmu_tx_abort(tx); 1686fa9e4066Sahrens return; 1687fa9e4066Sahrens } 1688fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1689fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1690fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1691fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1692fa9e4066Sahrens if (error) { 1693fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1694fa9e4066Sahrens osname, object, error); 1695fa9e4066Sahrens } 1696fa9e4066Sahrens dmu_tx_commit(tx); 1697fa9e4066Sahrens } 1698fa9e4066Sahrens 1699fa9e4066Sahrens /* 1700fa9e4066Sahrens * Create a new batch of objects with randomly chosen 1701fa9e4066Sahrens * blocksizes and record them in the batch directory. 1702fa9e4066Sahrens */ 1703fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1704fa9e4066Sahrens uint32_t va_blksize; 1705fa9e4066Sahrens u_longlong_t va_nblocks; 1706fa9e4066Sahrens 1707fa9e4066Sahrens tx = dmu_tx_create(os); 1708fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, b * sizeof (uint64_t), 1709fa9e4066Sahrens sizeof (uint64_t)); 1710fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1711fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, endoff, 1712fa9e4066Sahrens sizeof (uint64_t)); 1713fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1714fa9e4066Sahrens if (error) { 1715fa9e4066Sahrens ztest_record_enospc("create batchobj"); 1716fa9e4066Sahrens dmu_tx_abort(tx); 1717fa9e4066Sahrens return; 1718fa9e4066Sahrens } 1719fa9e4066Sahrens bonuslen = (int)ztest_random(dmu_bonus_max()) + 1; 1720fa9e4066Sahrens 1721fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1722fa9e4066Sahrens DMU_OT_PLAIN_OTHER, bonuslen, tx); 1723fa9e4066Sahrens 1724fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1725fa9e4066Sahrens 1726fa9e4066Sahrens dmu_object_set_checksum(os, object, 1727fa9e4066Sahrens ztest_random_checksum(), tx); 1728fa9e4066Sahrens dmu_object_set_compress(os, object, 1729fa9e4066Sahrens ztest_random_compress(), tx); 1730fa9e4066Sahrens 1731fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1732fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1733fa9e4066Sahrens 1734fa9e4066Sahrens /* 1735fa9e4066Sahrens * Write to both the bonus buffer and the regular data. 1736fa9e4066Sahrens */ 1737e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, object, FTAG, &db) == 0); 1738e05725b1Sbonwick za->za_dbuf = db; 17391934e92fSmaybee ASSERT3U(bonuslen, <=, db->db_size); 1740fa9e4066Sahrens 1741fa9e4066Sahrens dmu_object_size_from_db(db, &va_blksize, &va_nblocks); 1742fa9e4066Sahrens ASSERT3S(va_nblocks, >=, 0); 1743fa9e4066Sahrens 1744fa9e4066Sahrens dmu_buf_will_dirty(db, tx); 1745fa9e4066Sahrens 1746fa9e4066Sahrens /* 1747fa9e4066Sahrens * See comments above regarding the contents of 1748fa9e4066Sahrens * the bonus buffer and the word at endoff. 1749fa9e4066Sahrens */ 17501934e92fSmaybee for (c = 0; c < bonuslen; c++) 1751fa9e4066Sahrens ((uint8_t *)db->db_data)[c] = (uint8_t)(c + bonuslen); 1752fa9e4066Sahrens 1753ea8dc4b6Seschrock dmu_buf_rele(db, FTAG); 1754e05725b1Sbonwick za->za_dbuf = NULL; 1755fa9e4066Sahrens 1756fa9e4066Sahrens /* 1757fa9e4066Sahrens * Write to a large offset to increase indirection. 1758fa9e4066Sahrens */ 1759fa9e4066Sahrens dmu_write(os, object, endoff, sizeof (uint64_t), &object, tx); 1760fa9e4066Sahrens 1761fa9e4066Sahrens dmu_tx_commit(tx); 1762fa9e4066Sahrens } 1763fa9e4066Sahrens } 1764fa9e4066Sahrens 1765fa9e4066Sahrens /* 1766fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 1767fa9e4066Sahrens */ 1768fa9e4066Sahrens typedef struct bufwad { 1769fa9e4066Sahrens uint64_t bw_index; 1770fa9e4066Sahrens uint64_t bw_txg; 1771fa9e4066Sahrens uint64_t bw_data; 1772fa9e4066Sahrens } bufwad_t; 1773fa9e4066Sahrens 1774fa9e4066Sahrens typedef struct dmu_read_write_dir { 1775fa9e4066Sahrens uint64_t dd_packobj; 1776fa9e4066Sahrens uint64_t dd_bigobj; 1777fa9e4066Sahrens uint64_t dd_chunk; 1778fa9e4066Sahrens } dmu_read_write_dir_t; 1779fa9e4066Sahrens 1780fa9e4066Sahrens void 1781fa9e4066Sahrens ztest_dmu_read_write(ztest_args_t *za) 1782fa9e4066Sahrens { 1783fa9e4066Sahrens objset_t *os = za->za_os; 1784fa9e4066Sahrens dmu_read_write_dir_t dd; 1785fa9e4066Sahrens dmu_tx_t *tx; 1786fa9e4066Sahrens int i, freeit, error; 1787fa9e4066Sahrens uint64_t n, s, txg; 1788fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 1789fa9e4066Sahrens uint64_t packoff, packsize, bigoff, bigsize; 1790fa9e4066Sahrens uint64_t regions = 997; 1791fa9e4066Sahrens uint64_t stride = 123456789ULL; 1792fa9e4066Sahrens uint64_t width = 40; 1793fa9e4066Sahrens int free_percent = 5; 1794fa9e4066Sahrens 1795fa9e4066Sahrens /* 1796fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 1797fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 1798fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 1799fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 1800fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 1801fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 1802fa9e4066Sahrens * 1803fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 1804fa9e4066Sahrens * bigobj, at the head of the nth chunk 1805fa9e4066Sahrens * bigobj, at the tail of the nth chunk 1806fa9e4066Sahrens * 1807fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 1808fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 1809fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 1810fa9e4066Sahrens * 1811fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 1812fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 1813fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 1814fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 1815fa9e4066Sahrens * tracking which parts of an object are allocated and free, 1816fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 1817fa9e4066Sahrens */ 1818fa9e4066Sahrens 1819fa9e4066Sahrens /* 1820fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 1821fa9e4066Sahrens */ 1822ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 1823ea8dc4b6Seschrock sizeof (dd), &dd)); 1824fa9e4066Sahrens if (dd.dd_chunk == 0) { 1825fa9e4066Sahrens ASSERT(dd.dd_packobj == 0); 1826fa9e4066Sahrens ASSERT(dd.dd_bigobj == 0); 1827fa9e4066Sahrens tx = dmu_tx_create(os); 1828fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (dd)); 1829fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1830fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1831fa9e4066Sahrens if (error) { 1832fa9e4066Sahrens ztest_record_enospc("create r/w directory"); 1833fa9e4066Sahrens dmu_tx_abort(tx); 1834fa9e4066Sahrens return; 1835fa9e4066Sahrens } 1836fa9e4066Sahrens 1837fa9e4066Sahrens dd.dd_packobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1838fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1839fa9e4066Sahrens dd.dd_bigobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1840fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1841fa9e4066Sahrens dd.dd_chunk = (1000 + ztest_random(1000)) * sizeof (uint64_t); 1842fa9e4066Sahrens 1843fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_packobj, tx); 1844fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_bigobj, tx); 1845fa9e4066Sahrens 1846fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (dd), &dd, 1847fa9e4066Sahrens tx); 1848fa9e4066Sahrens dmu_tx_commit(tx); 1849fa9e4066Sahrens } 1850fa9e4066Sahrens 1851fa9e4066Sahrens /* 1852fa9e4066Sahrens * Prefetch a random chunk of the big object. 1853fa9e4066Sahrens * Our aim here is to get some async reads in flight 1854fa9e4066Sahrens * for blocks that we may free below; the DMU should 1855fa9e4066Sahrens * handle this race correctly. 1856fa9e4066Sahrens */ 1857fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 1858fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 1859fa9e4066Sahrens dmu_prefetch(os, dd.dd_bigobj, n * dd.dd_chunk, s * dd.dd_chunk); 1860fa9e4066Sahrens 1861fa9e4066Sahrens /* 1862fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 1863fa9e4066Sahrens */ 1864fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 1865fa9e4066Sahrens s = 1 + ztest_random(width - 1); 1866fa9e4066Sahrens 1867fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 1868fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 1869fa9e4066Sahrens 1870fa9e4066Sahrens bigoff = n * dd.dd_chunk; 1871fa9e4066Sahrens bigsize = s * dd.dd_chunk; 1872fa9e4066Sahrens 1873fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 1874fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 1875fa9e4066Sahrens 1876fa9e4066Sahrens /* 1877fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 1878fa9e4066Sahrens * overwriting it. 1879fa9e4066Sahrens */ 1880fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 1881fa9e4066Sahrens 1882fa9e4066Sahrens /* 1883fa9e4066Sahrens * Read the current contents of our objects. 1884fa9e4066Sahrens */ 1885ea8dc4b6Seschrock error = dmu_read(os, dd.dd_packobj, packoff, packsize, packbuf); 1886ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 1887ea8dc4b6Seschrock error = dmu_read(os, dd.dd_bigobj, bigoff, bigsize, bigbuf); 1888ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 1889fa9e4066Sahrens 1890fa9e4066Sahrens /* 1891fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 1892fa9e4066Sahrens */ 1893fa9e4066Sahrens tx = dmu_tx_create(os); 1894fa9e4066Sahrens 1895fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_packobj, packoff, packsize); 1896fa9e4066Sahrens 1897fa9e4066Sahrens if (freeit) 1898fa9e4066Sahrens dmu_tx_hold_free(tx, dd.dd_bigobj, bigoff, bigsize); 1899fa9e4066Sahrens else 1900fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_bigobj, bigoff, bigsize); 1901fa9e4066Sahrens 1902fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1903fa9e4066Sahrens 1904fa9e4066Sahrens if (error) { 1905fa9e4066Sahrens ztest_record_enospc("dmu r/w range"); 1906fa9e4066Sahrens dmu_tx_abort(tx); 1907fa9e4066Sahrens umem_free(packbuf, packsize); 1908fa9e4066Sahrens umem_free(bigbuf, bigsize); 1909fa9e4066Sahrens return; 1910fa9e4066Sahrens } 1911fa9e4066Sahrens 1912fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 1913fa9e4066Sahrens 1914fa9e4066Sahrens /* 1915fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 1916fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 1917fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 1918fa9e4066Sahrens * with the new values we want to write out. 1919fa9e4066Sahrens */ 1920fa9e4066Sahrens for (i = 0; i < s; i++) { 1921fa9e4066Sahrens /* LINTED */ 1922fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 1923fa9e4066Sahrens /* LINTED */ 1924fa9e4066Sahrens bigH = (bufwad_t *)((char *)bigbuf + i * dd.dd_chunk); 1925fa9e4066Sahrens /* LINTED */ 1926fa9e4066Sahrens bigT = (bufwad_t *)((char *)bigH + dd.dd_chunk) - 1; 1927fa9e4066Sahrens 1928fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 1929fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 1930fa9e4066Sahrens 1931fa9e4066Sahrens if (pack->bw_txg > txg) 1932fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 1933fa9e4066Sahrens pack->bw_txg, txg); 1934fa9e4066Sahrens 1935fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 1936fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 1937fa9e4066Sahrens pack->bw_index, n, i); 1938fa9e4066Sahrens 1939fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 1940fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 1941fa9e4066Sahrens 1942fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 1943fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 1944fa9e4066Sahrens 1945fa9e4066Sahrens if (freeit) { 1946fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 1947fa9e4066Sahrens } else { 1948fa9e4066Sahrens pack->bw_index = n + i; 1949fa9e4066Sahrens pack->bw_txg = txg; 1950fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 1951fa9e4066Sahrens } 1952fa9e4066Sahrens *bigH = *pack; 1953fa9e4066Sahrens *bigT = *pack; 1954fa9e4066Sahrens } 1955fa9e4066Sahrens 1956fa9e4066Sahrens /* 1957fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 1958fa9e4066Sahrens * Now write them out. 1959fa9e4066Sahrens */ 1960fa9e4066Sahrens dmu_write(os, dd.dd_packobj, packoff, packsize, packbuf, tx); 1961fa9e4066Sahrens 1962fa9e4066Sahrens if (freeit) { 1963fa9e4066Sahrens if (zopt_verbose >= 6) { 1964fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 1965fa9e4066Sahrens " txg %llx\n", 1966fa9e4066Sahrens (u_longlong_t)bigoff, 1967fa9e4066Sahrens (u_longlong_t)bigsize, 1968fa9e4066Sahrens (u_longlong_t)txg); 1969fa9e4066Sahrens } 1970ea8dc4b6Seschrock VERIFY(0 == dmu_free_range(os, dd.dd_bigobj, bigoff, 1971ea8dc4b6Seschrock bigsize, tx)); 1972fa9e4066Sahrens } else { 1973fa9e4066Sahrens if (zopt_verbose >= 6) { 1974fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 1975fa9e4066Sahrens " txg %llx\n", 1976fa9e4066Sahrens (u_longlong_t)bigoff, 1977fa9e4066Sahrens (u_longlong_t)bigsize, 1978fa9e4066Sahrens (u_longlong_t)txg); 1979fa9e4066Sahrens } 1980fa9e4066Sahrens dmu_write(os, dd.dd_bigobj, bigoff, bigsize, bigbuf, tx); 1981fa9e4066Sahrens } 1982fa9e4066Sahrens 1983fa9e4066Sahrens dmu_tx_commit(tx); 1984fa9e4066Sahrens 1985fa9e4066Sahrens /* 1986fa9e4066Sahrens * Sanity check the stuff we just wrote. 1987fa9e4066Sahrens */ 1988fa9e4066Sahrens { 1989fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 1990fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 1991fa9e4066Sahrens 1992ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, dd.dd_packobj, packoff, 1993ea8dc4b6Seschrock packsize, packcheck)); 1994ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, dd.dd_bigobj, bigoff, 1995ea8dc4b6Seschrock bigsize, bigcheck)); 1996fa9e4066Sahrens 1997fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 1998fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 1999fa9e4066Sahrens 2000fa9e4066Sahrens umem_free(packcheck, packsize); 2001fa9e4066Sahrens umem_free(bigcheck, bigsize); 2002fa9e4066Sahrens } 2003fa9e4066Sahrens 2004fa9e4066Sahrens umem_free(packbuf, packsize); 2005fa9e4066Sahrens umem_free(bigbuf, bigsize); 2006fa9e4066Sahrens } 2007fa9e4066Sahrens 20084d31c452Smaybee void 2009e05725b1Sbonwick ztest_dmu_check_future_leak(ztest_args_t *za) 20104d31c452Smaybee { 2011e05725b1Sbonwick objset_t *os = za->za_os; 20124d31c452Smaybee dmu_buf_t *db; 2013e05725b1Sbonwick ztest_block_tag_t *bt; 2014e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 20154d31c452Smaybee 20164d31c452Smaybee /* 20174d31c452Smaybee * Make sure that, if there is a write record in the bonus buffer 20184d31c452Smaybee * of the ZTEST_DIROBJ, that the txg for this record is <= the 20194d31c452Smaybee * last synced txg of the pool. 20204d31c452Smaybee */ 2021e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &db) == 0); 2022e05725b1Sbonwick za->za_dbuf = db; 2023e05725b1Sbonwick VERIFY(dmu_object_info(os, ZTEST_DIROBJ, doi) == 0); 2024e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, >=, sizeof (*bt)); 2025e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, <=, db->db_size); 2026e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size % sizeof (*bt), ==, 0); 2027e05725b1Sbonwick bt = (void *)((char *)db->db_data + doi->doi_bonus_size - sizeof (*bt)); 2028e05725b1Sbonwick if (bt->bt_objset != 0) { 2029e05725b1Sbonwick ASSERT3U(bt->bt_objset, ==, dmu_objset_id(os)); 2030e05725b1Sbonwick ASSERT3U(bt->bt_object, ==, ZTEST_DIROBJ); 2031e05725b1Sbonwick ASSERT3U(bt->bt_offset, ==, -1ULL); 2032e05725b1Sbonwick ASSERT3U(bt->bt_txg, <, spa_first_txg(za->za_spa)); 20334d31c452Smaybee } 20344d31c452Smaybee dmu_buf_rele(db, FTAG); 2035e05725b1Sbonwick za->za_dbuf = NULL; 20364d31c452Smaybee } 20374d31c452Smaybee 2038fa9e4066Sahrens void 2039fa9e4066Sahrens ztest_dmu_write_parallel(ztest_args_t *za) 2040fa9e4066Sahrens { 2041fa9e4066Sahrens objset_t *os = za->za_os; 2042e05725b1Sbonwick ztest_block_tag_t *rbt = &za->za_rbt; 2043e05725b1Sbonwick ztest_block_tag_t *wbt = &za->za_wbt; 2044e05725b1Sbonwick const size_t btsize = sizeof (ztest_block_tag_t); 2045fa9e4066Sahrens dmu_buf_t *db; 2046e05725b1Sbonwick int b, error; 2047e05725b1Sbonwick int bs = ZTEST_DIROBJ_BLOCKSIZE; 2048e05725b1Sbonwick int do_free = 0; 2049e05725b1Sbonwick uint64_t off, txg_how; 2050fa9e4066Sahrens mutex_t *lp; 2051fa9e4066Sahrens char osname[MAXNAMELEN]; 2052fa9e4066Sahrens char iobuf[SPA_MAXBLOCKSIZE]; 2053e05725b1Sbonwick blkptr_t blk = { 0 }; 2054e05725b1Sbonwick uint64_t blkoff; 2055e05725b1Sbonwick zbookmark_t zb; 2056e05725b1Sbonwick dmu_tx_t *tx = dmu_tx_create(os); 2057fa9e4066Sahrens 2058fa9e4066Sahrens dmu_objset_name(os, osname); 2059fa9e4066Sahrens 2060fa9e4066Sahrens /* 2061fa9e4066Sahrens * Have multiple threads write to large offsets in ZTEST_DIROBJ 2062fa9e4066Sahrens * to verify that having multiple threads writing to the same object 2063fa9e4066Sahrens * in parallel doesn't cause any trouble. 2064fa9e4066Sahrens */ 2065e05725b1Sbonwick if (ztest_random(4) == 0) { 2066e05725b1Sbonwick /* 2067e05725b1Sbonwick * Do the bonus buffer instead of a regular block. 2068e05725b1Sbonwick * We need a lock to serialize resize vs. others, 2069e05725b1Sbonwick * so we hash on the objset ID. 2070e05725b1Sbonwick */ 2071e05725b1Sbonwick b = dmu_objset_id(os) % ZTEST_SYNC_LOCKS; 2072e05725b1Sbonwick off = -1ULL; 2073e05725b1Sbonwick dmu_tx_hold_bonus(tx, ZTEST_DIROBJ); 2074e05725b1Sbonwick } else { 2075fa9e4066Sahrens b = ztest_random(ZTEST_SYNC_LOCKS); 2076e05725b1Sbonwick off = za->za_diroff_shared + (b << SPA_MAXBLOCKSHIFT); 2077fa9e4066Sahrens if (ztest_random(4) == 0) { 2078e05725b1Sbonwick do_free = 1; 2079fa9e4066Sahrens dmu_tx_hold_free(tx, ZTEST_DIROBJ, off, bs); 2080e05725b1Sbonwick } else { 2081fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, off, bs); 2082e05725b1Sbonwick } 2083e05725b1Sbonwick } 2084fa9e4066Sahrens 2085e05725b1Sbonwick txg_how = ztest_random(2) == 0 ? TXG_WAIT : TXG_NOWAIT; 2086e05725b1Sbonwick error = dmu_tx_assign(tx, txg_how); 2087e05725b1Sbonwick if (error) { 2088e05725b1Sbonwick if (error == ERESTART) { 2089e05725b1Sbonwick ASSERT(txg_how == TXG_NOWAIT); 2090e05725b1Sbonwick dmu_tx_wait(tx); 2091e05725b1Sbonwick } else { 2092fa9e4066Sahrens ztest_record_enospc("dmu write parallel"); 2093fa9e4066Sahrens } 2094e05725b1Sbonwick dmu_tx_abort(tx); 2095e05725b1Sbonwick return; 2096e05725b1Sbonwick } 2097fa9e4066Sahrens 2098e05725b1Sbonwick lp = &ztest_shared->zs_sync_lock[b]; 2099e05725b1Sbonwick (void) mutex_lock(lp); 2100e05725b1Sbonwick 2101e05725b1Sbonwick wbt->bt_objset = dmu_objset_id(os); 2102e05725b1Sbonwick wbt->bt_object = ZTEST_DIROBJ; 2103e05725b1Sbonwick wbt->bt_offset = off; 2104e05725b1Sbonwick wbt->bt_txg = dmu_tx_get_txg(tx); 2105e05725b1Sbonwick wbt->bt_thread = za->za_instance; 2106e05725b1Sbonwick wbt->bt_seq = ztest_shared->zs_seq[b]++; /* protected by lp */ 2107e05725b1Sbonwick 2108e05725b1Sbonwick if (off == -1ULL) { 2109e05725b1Sbonwick dmu_object_info_t *doi = &za->za_doi; 2110e05725b1Sbonwick char *dboff; 2111e05725b1Sbonwick 2112e05725b1Sbonwick VERIFY(dmu_bonus_hold(os, ZTEST_DIROBJ, FTAG, &db) == 0); 2113e05725b1Sbonwick za->za_dbuf = db; 2114e05725b1Sbonwick dmu_object_info_from_db(db, doi); 2115e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, <=, db->db_size); 2116e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size, >=, btsize); 2117e05725b1Sbonwick ASSERT3U(doi->doi_bonus_size % btsize, ==, 0); 2118e05725b1Sbonwick dboff = (char *)db->db_data + doi->doi_bonus_size - btsize; 2119e05725b1Sbonwick bcopy(dboff, rbt, btsize); 2120e05725b1Sbonwick if (rbt->bt_objset != 0) { 2121e05725b1Sbonwick ASSERT3U(rbt->bt_objset, ==, wbt->bt_objset); 2122e05725b1Sbonwick ASSERT3U(rbt->bt_object, ==, wbt->bt_object); 2123e05725b1Sbonwick ASSERT3U(rbt->bt_offset, ==, wbt->bt_offset); 2124e05725b1Sbonwick ASSERT3U(rbt->bt_txg, <=, wbt->bt_txg); 2125fa9e4066Sahrens } 2126e05725b1Sbonwick if (ztest_random(10) == 0) { 2127e05725b1Sbonwick int newsize = (ztest_random(db->db_size / 2128e05725b1Sbonwick btsize) + 1) * btsize; 2129e05725b1Sbonwick 2130e05725b1Sbonwick ASSERT3U(newsize, >=, btsize); 2131e05725b1Sbonwick ASSERT3U(newsize, <=, db->db_size); 2132e05725b1Sbonwick VERIFY3U(dmu_set_bonus(db, newsize, tx), ==, 0); 2133e05725b1Sbonwick dboff = (char *)db->db_data + newsize - btsize; 2134fa9e4066Sahrens } 2135e05725b1Sbonwick dmu_buf_will_dirty(db, tx); 2136e05725b1Sbonwick bcopy(wbt, dboff, btsize); 2137e05725b1Sbonwick dmu_buf_rele(db, FTAG); 2138e05725b1Sbonwick za->za_dbuf = NULL; 2139e05725b1Sbonwick } else if (do_free) { 2140e05725b1Sbonwick VERIFY(dmu_free_range(os, ZTEST_DIROBJ, off, bs, tx) == 0); 2141e05725b1Sbonwick } else { 2142e05725b1Sbonwick dmu_write(os, ZTEST_DIROBJ, off, btsize, wbt, tx); 2143e05725b1Sbonwick } 2144e05725b1Sbonwick 2145e05725b1Sbonwick (void) mutex_unlock(lp); 2146e05725b1Sbonwick 2147e05725b1Sbonwick if (ztest_random(1000) == 0) 2148e05725b1Sbonwick (void) poll(NULL, 0, 1); /* open dn_notxholds window */ 2149e05725b1Sbonwick 2150e05725b1Sbonwick dmu_tx_commit(tx); 2151e05725b1Sbonwick 2152e05725b1Sbonwick if (ztest_random(10000) == 0) 2153e05725b1Sbonwick txg_wait_synced(dmu_objset_pool(os), wbt->bt_txg); 2154fa9e4066Sahrens 2155*e14bb325SJeff Bonwick if (off == -1ULL || do_free) 2156e05725b1Sbonwick return; 2157fa9e4066Sahrens 2158e05725b1Sbonwick if (ztest_random(2) != 0) 2159e05725b1Sbonwick return; 2160fa9e4066Sahrens 2161e05725b1Sbonwick /* 2162e05725b1Sbonwick * dmu_sync() the block we just wrote. 2163e05725b1Sbonwick */ 2164e05725b1Sbonwick (void) mutex_lock(lp); 2165fa9e4066Sahrens 2166e05725b1Sbonwick blkoff = P2ALIGN_TYPED(off, bs, uint64_t); 2167e05725b1Sbonwick error = dmu_buf_hold(os, ZTEST_DIROBJ, blkoff, FTAG, &db); 2168e05725b1Sbonwick za->za_dbuf = db; 2169e05725b1Sbonwick if (error) { 2170e05725b1Sbonwick dprintf("dmu_buf_hold(%s, %d, %llx) = %d\n", 2171e05725b1Sbonwick osname, ZTEST_DIROBJ, blkoff, error); 2172fa9e4066Sahrens (void) mutex_unlock(lp); 2173e05725b1Sbonwick return; 2174e05725b1Sbonwick } 2175e05725b1Sbonwick blkoff = off - blkoff; 2176e05725b1Sbonwick error = dmu_sync(NULL, db, &blk, wbt->bt_txg, NULL, NULL); 2177e05725b1Sbonwick dmu_buf_rele(db, FTAG); 2178e05725b1Sbonwick za->za_dbuf = NULL; 2179fa9e4066Sahrens 2180e05725b1Sbonwick (void) mutex_unlock(lp); 2181fa9e4066Sahrens 2182e05725b1Sbonwick if (error) { 2183e05725b1Sbonwick dprintf("dmu_sync(%s, %d, %llx) = %d\n", 2184e05725b1Sbonwick osname, ZTEST_DIROBJ, off, error); 2185e05725b1Sbonwick return; 2186e05725b1Sbonwick } 2187fa9e4066Sahrens 2188e05725b1Sbonwick if (blk.blk_birth == 0) /* concurrent free */ 2189e05725b1Sbonwick return; 2190fa9e4066Sahrens 2191e05725b1Sbonwick txg_suspend(dmu_objset_pool(os)); 2192fa9e4066Sahrens 2193e05725b1Sbonwick ASSERT(blk.blk_fill == 1); 2194e05725b1Sbonwick ASSERT3U(BP_GET_TYPE(&blk), ==, DMU_OT_UINT64_OTHER); 2195e05725b1Sbonwick ASSERT3U(BP_GET_LEVEL(&blk), ==, 0); 2196e05725b1Sbonwick ASSERT3U(BP_GET_LSIZE(&blk), ==, bs); 2197fa9e4066Sahrens 2198e05725b1Sbonwick /* 2199e05725b1Sbonwick * Read the block that dmu_sync() returned to make sure its contents 2200e05725b1Sbonwick * match what we wrote. We do this while still txg_suspend()ed 2201e05725b1Sbonwick * to ensure that the block can't be reused before we read it. 2202e05725b1Sbonwick */ 2203e05725b1Sbonwick zb.zb_objset = dmu_objset_id(os); 2204e05725b1Sbonwick zb.zb_object = ZTEST_DIROBJ; 2205e05725b1Sbonwick zb.zb_level = 0; 2206e05725b1Sbonwick zb.zb_blkid = off / bs; 2207e05725b1Sbonwick error = zio_wait(zio_read(NULL, za->za_spa, &blk, iobuf, bs, 2208e05725b1Sbonwick NULL, NULL, ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_MUSTSUCCEED, &zb)); 2209e05725b1Sbonwick ASSERT3U(error, ==, 0); 2210fa9e4066Sahrens 2211e05725b1Sbonwick txg_resume(dmu_objset_pool(os)); 2212fa9e4066Sahrens 2213e05725b1Sbonwick bcopy(&iobuf[blkoff], rbt, btsize); 2214fa9e4066Sahrens 2215e05725b1Sbonwick if (rbt->bt_objset == 0) /* concurrent free */ 2216e05725b1Sbonwick return; 22170e34b6a7Sbonwick 2218e05725b1Sbonwick ASSERT3U(rbt->bt_objset, ==, wbt->bt_objset); 2219e05725b1Sbonwick ASSERT3U(rbt->bt_object, ==, wbt->bt_object); 2220e05725b1Sbonwick ASSERT3U(rbt->bt_offset, ==, wbt->bt_offset); 2221fa9e4066Sahrens 2222e05725b1Sbonwick /* 2223e05725b1Sbonwick * The semantic of dmu_sync() is that we always push the most recent 2224e05725b1Sbonwick * version of the data, so in the face of concurrent updates we may 2225e05725b1Sbonwick * see a newer version of the block. That's OK. 2226e05725b1Sbonwick */ 2227e05725b1Sbonwick ASSERT3U(rbt->bt_txg, >=, wbt->bt_txg); 2228e05725b1Sbonwick if (rbt->bt_thread == wbt->bt_thread) 2229e05725b1Sbonwick ASSERT3U(rbt->bt_seq, ==, wbt->bt_seq); 2230e05725b1Sbonwick else 2231e05725b1Sbonwick ASSERT3U(rbt->bt_seq, >, wbt->bt_seq); 2232fa9e4066Sahrens } 2233fa9e4066Sahrens 2234fa9e4066Sahrens /* 2235fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 2236fa9e4066Sahrens */ 2237fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 2238fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 2239fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 2240fa9e4066Sahrens 2241fa9e4066Sahrens void 2242fa9e4066Sahrens ztest_zap(ztest_args_t *za) 2243fa9e4066Sahrens { 2244fa9e4066Sahrens objset_t *os = za->za_os; 2245fa9e4066Sahrens uint64_t object; 2246fa9e4066Sahrens uint64_t txg, last_txg; 2247fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 2248fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 2249fa9e4066Sahrens int i, ints; 2250fa9e4066Sahrens dmu_tx_t *tx; 2251fa9e4066Sahrens char propname[100], txgname[100]; 2252fa9e4066Sahrens int error; 2253fa9e4066Sahrens char osname[MAXNAMELEN]; 2254fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 2255fa9e4066Sahrens 2256fa9e4066Sahrens dmu_objset_name(os, osname); 2257fa9e4066Sahrens 2258fa9e4066Sahrens /* 2259fa9e4066Sahrens * Create a new object if necessary, and record it in the directory. 2260fa9e4066Sahrens */ 2261ea8dc4b6Seschrock VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, 2262ea8dc4b6Seschrock sizeof (uint64_t), &object)); 2263fa9e4066Sahrens 2264fa9e4066Sahrens if (object == 0) { 2265fa9e4066Sahrens tx = dmu_tx_create(os); 2266fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 2267fa9e4066Sahrens sizeof (uint64_t)); 2268ea8dc4b6Seschrock dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, TRUE, NULL); 2269fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2270fa9e4066Sahrens if (error) { 2271fa9e4066Sahrens ztest_record_enospc("create zap test obj"); 2272fa9e4066Sahrens dmu_tx_abort(tx); 2273fa9e4066Sahrens return; 2274fa9e4066Sahrens } 2275fa9e4066Sahrens object = zap_create(os, DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx); 2276fa9e4066Sahrens if (error) { 2277fa9e4066Sahrens fatal(0, "zap_create('%s', %llu) = %d", 2278fa9e4066Sahrens osname, object, error); 2279fa9e4066Sahrens } 2280fa9e4066Sahrens ASSERT(object != 0); 2281fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 2282fa9e4066Sahrens sizeof (uint64_t), &object, tx); 2283fa9e4066Sahrens /* 2284fa9e4066Sahrens * Generate a known hash collision, and verify that 2285fa9e4066Sahrens * we can lookup and remove both entries. 2286fa9e4066Sahrens */ 2287fa9e4066Sahrens for (i = 0; i < 2; i++) { 2288fa9e4066Sahrens value[i] = i; 2289fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2290fa9e4066Sahrens 1, &value[i], tx); 2291fa9e4066Sahrens ASSERT3U(error, ==, 0); 2292fa9e4066Sahrens } 2293fa9e4066Sahrens for (i = 0; i < 2; i++) { 2294fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2295fa9e4066Sahrens 1, &value[i], tx); 2296fa9e4066Sahrens ASSERT3U(error, ==, EEXIST); 2297fa9e4066Sahrens error = zap_length(os, object, hc[i], 2298fa9e4066Sahrens &zl_intsize, &zl_ints); 2299fa9e4066Sahrens ASSERT3U(error, ==, 0); 2300fa9e4066Sahrens ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2301fa9e4066Sahrens ASSERT3U(zl_ints, ==, 1); 2302fa9e4066Sahrens } 2303fa9e4066Sahrens for (i = 0; i < 2; i++) { 2304fa9e4066Sahrens error = zap_remove(os, object, hc[i], tx); 2305fa9e4066Sahrens ASSERT3U(error, ==, 0); 2306fa9e4066Sahrens } 2307fa9e4066Sahrens 2308fa9e4066Sahrens dmu_tx_commit(tx); 2309fa9e4066Sahrens } 2310fa9e4066Sahrens 2311fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 2312fa9e4066Sahrens 2313e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2314e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2315e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2316e05725b1Sbonwick bzero(value, sizeof (value)); 2317e05725b1Sbonwick last_txg = 0; 2318fa9e4066Sahrens 2319e05725b1Sbonwick /* 2320e05725b1Sbonwick * If these zap entries already exist, validate their contents. 2321e05725b1Sbonwick */ 2322e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2323e05725b1Sbonwick if (error == 0) { 2324e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2325e05725b1Sbonwick ASSERT3U(zl_ints, ==, 1); 2326fa9e4066Sahrens 2327e05725b1Sbonwick VERIFY(zap_lookup(os, object, txgname, zl_intsize, 2328e05725b1Sbonwick zl_ints, &last_txg) == 0); 2329fa9e4066Sahrens 2330e05725b1Sbonwick VERIFY(zap_length(os, object, propname, &zl_intsize, 2331e05725b1Sbonwick &zl_ints) == 0); 2332fa9e4066Sahrens 2333e05725b1Sbonwick ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2334e05725b1Sbonwick ASSERT3U(zl_ints, ==, ints); 2335fa9e4066Sahrens 2336e05725b1Sbonwick VERIFY(zap_lookup(os, object, propname, zl_intsize, 2337e05725b1Sbonwick zl_ints, value) == 0); 2338fa9e4066Sahrens 2339e05725b1Sbonwick for (i = 0; i < ints; i++) { 2340e05725b1Sbonwick ASSERT3U(value[i], ==, last_txg + object + i); 2341fa9e4066Sahrens } 2342e05725b1Sbonwick } else { 2343e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 2344e05725b1Sbonwick } 2345fa9e4066Sahrens 2346e05725b1Sbonwick /* 2347e05725b1Sbonwick * Atomically update two entries in our zap object. 2348e05725b1Sbonwick * The first is named txg_%llu, and contains the txg 2349e05725b1Sbonwick * in which the property was last updated. The second 2350e05725b1Sbonwick * is named prop_%llu, and the nth element of its value 2351e05725b1Sbonwick * should be txg + object + n. 2352e05725b1Sbonwick */ 2353e05725b1Sbonwick tx = dmu_tx_create(os); 2354e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2355e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2356e05725b1Sbonwick if (error) { 2357e05725b1Sbonwick ztest_record_enospc("create zap entry"); 2358e05725b1Sbonwick dmu_tx_abort(tx); 2359e05725b1Sbonwick return; 2360e05725b1Sbonwick } 2361e05725b1Sbonwick txg = dmu_tx_get_txg(tx); 2362fa9e4066Sahrens 2363e05725b1Sbonwick if (last_txg > txg) 2364e05725b1Sbonwick fatal(0, "zap future leak: old %llu new %llu", last_txg, txg); 2365fa9e4066Sahrens 2366e05725b1Sbonwick for (i = 0; i < ints; i++) 2367e05725b1Sbonwick value[i] = txg + object + i; 2368fa9e4066Sahrens 2369e05725b1Sbonwick error = zap_update(os, object, txgname, sizeof (uint64_t), 1, &txg, tx); 2370e05725b1Sbonwick if (error) 2371e05725b1Sbonwick fatal(0, "zap_update('%s', %llu, '%s') = %d", 2372e05725b1Sbonwick osname, object, txgname, error); 2373fa9e4066Sahrens 2374e05725b1Sbonwick error = zap_update(os, object, propname, sizeof (uint64_t), 2375e05725b1Sbonwick ints, value, tx); 2376e05725b1Sbonwick if (error) 2377e05725b1Sbonwick fatal(0, "zap_update('%s', %llu, '%s') = %d", 2378e05725b1Sbonwick osname, object, propname, error); 2379fa9e4066Sahrens 2380e05725b1Sbonwick dmu_tx_commit(tx); 2381fa9e4066Sahrens 2382e05725b1Sbonwick /* 2383e05725b1Sbonwick * Remove a random pair of entries. 2384e05725b1Sbonwick */ 2385e05725b1Sbonwick prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2386e05725b1Sbonwick (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2387e05725b1Sbonwick (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2388fa9e4066Sahrens 2389e05725b1Sbonwick error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2390fa9e4066Sahrens 2391e05725b1Sbonwick if (error == ENOENT) 2392e05725b1Sbonwick return; 2393fa9e4066Sahrens 2394e05725b1Sbonwick ASSERT3U(error, ==, 0); 2395fa9e4066Sahrens 2396e05725b1Sbonwick tx = dmu_tx_create(os); 2397e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2398e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2399e05725b1Sbonwick if (error) { 2400e05725b1Sbonwick ztest_record_enospc("remove zap entry"); 2401e05725b1Sbonwick dmu_tx_abort(tx); 2402e05725b1Sbonwick return; 2403e05725b1Sbonwick } 2404e05725b1Sbonwick error = zap_remove(os, object, txgname, tx); 2405e05725b1Sbonwick if (error) 2406e05725b1Sbonwick fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2407e05725b1Sbonwick osname, object, txgname, error); 2408fa9e4066Sahrens 2409e05725b1Sbonwick error = zap_remove(os, object, propname, tx); 2410e05725b1Sbonwick if (error) 2411e05725b1Sbonwick fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2412e05725b1Sbonwick osname, object, propname, error); 2413fa9e4066Sahrens 2414e05725b1Sbonwick dmu_tx_commit(tx); 2415fa9e4066Sahrens 2416fa9e4066Sahrens /* 2417fa9e4066Sahrens * Once in a while, destroy the object. 2418fa9e4066Sahrens */ 2419e05725b1Sbonwick if (ztest_random(1000) != 0) 2420fa9e4066Sahrens return; 2421fa9e4066Sahrens 2422fa9e4066Sahrens tx = dmu_tx_create(os); 2423fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t)); 2424fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 2425fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2426fa9e4066Sahrens if (error) { 2427fa9e4066Sahrens ztest_record_enospc("destroy zap object"); 2428fa9e4066Sahrens dmu_tx_abort(tx); 2429fa9e4066Sahrens return; 2430fa9e4066Sahrens } 2431fa9e4066Sahrens error = zap_destroy(os, object, tx); 2432fa9e4066Sahrens if (error) 2433fa9e4066Sahrens fatal(0, "zap_destroy('%s', %llu) = %d", 2434fa9e4066Sahrens osname, object, error); 2435fa9e4066Sahrens object = 0; 2436fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), 2437fa9e4066Sahrens &object, tx); 2438fa9e4066Sahrens dmu_tx_commit(tx); 2439fa9e4066Sahrens } 2440fa9e4066Sahrens 2441fa9e4066Sahrens void 2442fa9e4066Sahrens ztest_zap_parallel(ztest_args_t *za) 2443fa9e4066Sahrens { 2444fa9e4066Sahrens objset_t *os = za->za_os; 2445fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 2446fa9e4066Sahrens dmu_tx_t *tx; 2447fa9e4066Sahrens int i, namelen, error; 2448fa9e4066Sahrens char name[20], string_value[20]; 2449fa9e4066Sahrens void *data; 2450fa9e4066Sahrens 2451e05725b1Sbonwick /* 2452e05725b1Sbonwick * Generate a random name of the form 'xxx.....' where each 2453e05725b1Sbonwick * x is a random printable character and the dots are dots. 2454e05725b1Sbonwick * There are 94 such characters, and the name length goes from 2455e05725b1Sbonwick * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 2456e05725b1Sbonwick */ 2457e05725b1Sbonwick namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 2458fa9e4066Sahrens 2459e05725b1Sbonwick for (i = 0; i < 3; i++) 2460e05725b1Sbonwick name[i] = '!' + ztest_random('~' - '!' + 1); 2461e05725b1Sbonwick for (; i < namelen - 1; i++) 2462e05725b1Sbonwick name[i] = '.'; 2463e05725b1Sbonwick name[i] = '\0'; 2464fa9e4066Sahrens 2465e05725b1Sbonwick if (ztest_random(2) == 0) 2466e05725b1Sbonwick object = ZTEST_MICROZAP_OBJ; 2467e05725b1Sbonwick else 2468e05725b1Sbonwick object = ZTEST_FATZAP_OBJ; 2469fa9e4066Sahrens 2470e05725b1Sbonwick if ((namelen & 1) || object == ZTEST_MICROZAP_OBJ) { 2471e05725b1Sbonwick wsize = sizeof (txg); 2472e05725b1Sbonwick wc = 1; 2473e05725b1Sbonwick data = &txg; 2474e05725b1Sbonwick } else { 2475e05725b1Sbonwick wsize = 1; 2476e05725b1Sbonwick wc = namelen; 2477e05725b1Sbonwick data = string_value; 2478e05725b1Sbonwick } 2479fa9e4066Sahrens 2480e05725b1Sbonwick count = -1ULL; 2481e05725b1Sbonwick VERIFY(zap_count(os, object, &count) == 0); 2482e05725b1Sbonwick ASSERT(count != -1ULL); 2483fa9e4066Sahrens 2484e05725b1Sbonwick /* 2485e05725b1Sbonwick * Select an operation: length, lookup, add, update, remove. 2486e05725b1Sbonwick */ 2487e05725b1Sbonwick i = ztest_random(5); 2488e05725b1Sbonwick 2489e05725b1Sbonwick if (i >= 2) { 2490e05725b1Sbonwick tx = dmu_tx_create(os); 2491e05725b1Sbonwick dmu_tx_hold_zap(tx, object, TRUE, NULL); 2492e05725b1Sbonwick error = dmu_tx_assign(tx, TXG_WAIT); 2493e05725b1Sbonwick if (error) { 2494e05725b1Sbonwick ztest_record_enospc("zap parallel"); 2495e05725b1Sbonwick dmu_tx_abort(tx); 2496e05725b1Sbonwick return; 2497fa9e4066Sahrens } 2498e05725b1Sbonwick txg = dmu_tx_get_txg(tx); 2499e05725b1Sbonwick bcopy(name, string_value, namelen); 2500e05725b1Sbonwick } else { 2501e05725b1Sbonwick tx = NULL; 2502e05725b1Sbonwick txg = 0; 2503e05725b1Sbonwick bzero(string_value, namelen); 2504e05725b1Sbonwick } 2505fa9e4066Sahrens 2506e05725b1Sbonwick switch (i) { 2507fa9e4066Sahrens 2508e05725b1Sbonwick case 0: 2509e05725b1Sbonwick error = zap_length(os, object, name, &zl_wsize, &zl_wc); 2510e05725b1Sbonwick if (error == 0) { 2511e05725b1Sbonwick ASSERT3U(wsize, ==, zl_wsize); 2512e05725b1Sbonwick ASSERT3U(wc, ==, zl_wc); 2513e05725b1Sbonwick } else { 2514e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 2515e05725b1Sbonwick } 2516e05725b1Sbonwick break; 2517fa9e4066Sahrens 2518e05725b1Sbonwick case 1: 2519e05725b1Sbonwick error = zap_lookup(os, object, name, wsize, wc, data); 2520e05725b1Sbonwick if (error == 0) { 2521e05725b1Sbonwick if (data == string_value && 2522e05725b1Sbonwick bcmp(name, data, namelen) != 0) 2523e05725b1Sbonwick fatal(0, "name '%s' != val '%s' len %d", 2524e05725b1Sbonwick name, data, namelen); 2525e05725b1Sbonwick } else { 2526e05725b1Sbonwick ASSERT3U(error, ==, ENOENT); 2527e05725b1Sbonwick } 2528e05725b1Sbonwick break; 2529fa9e4066Sahrens 2530e05725b1Sbonwick case 2: 2531e05725b1Sbonwick error = zap_add(os, object, name, wsize, wc, data, tx); 2532e05725b1Sbonwick ASSERT(error == 0 || error == EEXIST); 2533e05725b1Sbonwick break; 2534fa9e4066Sahrens 2535e05725b1Sbonwick case 3: 2536e05725b1Sbonwick VERIFY(zap_update(os, object, name, wsize, wc, data, tx) == 0); 2537e05725b1Sbonwick break; 2538fa9e4066Sahrens 2539e05725b1Sbonwick case 4: 2540e05725b1Sbonwick error = zap_remove(os, object, name, tx); 2541e05725b1Sbonwick ASSERT(error == 0 || error == ENOENT); 2542e05725b1Sbonwick break; 2543fa9e4066Sahrens } 2544e05725b1Sbonwick 2545e05725b1Sbonwick if (tx != NULL) 2546e05725b1Sbonwick dmu_tx_commit(tx); 2547fa9e4066Sahrens } 2548fa9e4066Sahrens 2549fa9e4066Sahrens void 2550fa9e4066Sahrens ztest_dsl_prop_get_set(ztest_args_t *za) 2551fa9e4066Sahrens { 2552fa9e4066Sahrens objset_t *os = za->za_os; 2553fa9e4066Sahrens int i, inherit; 2554fa9e4066Sahrens uint64_t value; 2555fa9e4066Sahrens const char *prop, *valname; 2556fa9e4066Sahrens char setpoint[MAXPATHLEN]; 2557fa9e4066Sahrens char osname[MAXNAMELEN]; 2558ea8dc4b6Seschrock int error; 2559fa9e4066Sahrens 2560fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 2561fa9e4066Sahrens 2562fa9e4066Sahrens dmu_objset_name(os, osname); 2563fa9e4066Sahrens 2564fa9e4066Sahrens for (i = 0; i < 2; i++) { 2565fa9e4066Sahrens if (i == 0) { 2566fa9e4066Sahrens prop = "checksum"; 2567fa9e4066Sahrens value = ztest_random_checksum(); 2568fa9e4066Sahrens inherit = (value == ZIO_CHECKSUM_INHERIT); 2569fa9e4066Sahrens } else { 2570fa9e4066Sahrens prop = "compression"; 2571fa9e4066Sahrens value = ztest_random_compress(); 2572fa9e4066Sahrens inherit = (value == ZIO_COMPRESS_INHERIT); 2573fa9e4066Sahrens } 2574fa9e4066Sahrens 2575ea8dc4b6Seschrock error = dsl_prop_set(osname, prop, sizeof (value), 2576ea8dc4b6Seschrock !inherit, &value); 2577ea8dc4b6Seschrock 2578ea8dc4b6Seschrock if (error == ENOSPC) { 2579ea8dc4b6Seschrock ztest_record_enospc("dsl_prop_set"); 2580ea8dc4b6Seschrock break; 2581ea8dc4b6Seschrock } 2582ea8dc4b6Seschrock 2583ea8dc4b6Seschrock ASSERT3U(error, ==, 0); 2584fa9e4066Sahrens 2585fa9e4066Sahrens VERIFY3U(dsl_prop_get(osname, prop, sizeof (value), 2586fa9e4066Sahrens 1, &value, setpoint), ==, 0); 2587fa9e4066Sahrens 2588fa9e4066Sahrens if (i == 0) 2589fa9e4066Sahrens valname = zio_checksum_table[value].ci_name; 2590fa9e4066Sahrens else 2591fa9e4066Sahrens valname = zio_compress_table[value].ci_name; 2592fa9e4066Sahrens 2593fa9e4066Sahrens if (zopt_verbose >= 6) { 2594fa9e4066Sahrens (void) printf("%s %s = %s for '%s'\n", 2595fa9e4066Sahrens osname, prop, valname, setpoint); 2596fa9e4066Sahrens } 2597fa9e4066Sahrens } 2598fa9e4066Sahrens 2599fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 2600fa9e4066Sahrens } 2601fa9e4066Sahrens 2602fa9e4066Sahrens /* 2603fa9e4066Sahrens * Inject random faults into the on-disk data. 2604fa9e4066Sahrens */ 2605fa9e4066Sahrens void 2606fa9e4066Sahrens ztest_fault_inject(ztest_args_t *za) 2607fa9e4066Sahrens { 2608fa9e4066Sahrens int fd; 2609fa9e4066Sahrens uint64_t offset; 2610fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 2611fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 2612fa9e4066Sahrens uint64_t top, leaf; 2613fa9e4066Sahrens char path0[MAXPATHLEN]; 2614fa9e4066Sahrens char pathrand[MAXPATHLEN]; 2615fa9e4066Sahrens size_t fsize; 2616e05725b1Sbonwick spa_t *spa = za->za_spa; 2617fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 2618fa9e4066Sahrens int iters = 1000; 2619*e14bb325SJeff Bonwick int maxfaults = zopt_maxfaults; 2620*e14bb325SJeff Bonwick vdev_t *vd0 = NULL; 2621ea8dc4b6Seschrock uint64_t guid0 = 0; 2622ea8dc4b6Seschrock 2623*e14bb325SJeff Bonwick ASSERT(leaves >= 1); 2624fa9e4066Sahrens 2625fa9e4066Sahrens /* 2626*e14bb325SJeff Bonwick * We need SCL_STATE here because we're going to look at vd0->vdev_tsd. 2627fa9e4066Sahrens */ 2628*e14bb325SJeff Bonwick spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2629fa9e4066Sahrens 2630*e14bb325SJeff Bonwick if (ztest_random(2) == 0) { 2631*e14bb325SJeff Bonwick /* 2632*e14bb325SJeff Bonwick * Inject errors on a normal data device. 2633*e14bb325SJeff Bonwick */ 2634*e14bb325SJeff Bonwick top = ztest_random(spa->spa_root_vdev->vdev_children); 2635*e14bb325SJeff Bonwick leaf = ztest_random(leaves); 2636fa9e4066Sahrens 2637*e14bb325SJeff Bonwick /* 2638*e14bb325SJeff Bonwick * Generate paths to the first leaf in this top-level vdev, 2639*e14bb325SJeff Bonwick * and to the random leaf we selected. We'll induce transient 2640*e14bb325SJeff Bonwick * write failures and random online/offline activity on leaf 0, 2641*e14bb325SJeff Bonwick * and we'll write random garbage to the randomly chosen leaf. 2642*e14bb325SJeff Bonwick */ 2643*e14bb325SJeff Bonwick (void) snprintf(path0, sizeof (path0), ztest_dev_template, 2644*e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + 0); 2645*e14bb325SJeff Bonwick (void) snprintf(pathrand, sizeof (pathrand), ztest_dev_template, 2646*e14bb325SJeff Bonwick zopt_dir, zopt_pool, top * leaves + leaf); 2647fa9e4066Sahrens 2648*e14bb325SJeff Bonwick vd0 = vdev_lookup_by_path(spa->spa_root_vdev, path0); 2649*e14bb325SJeff Bonwick if (vd0 != NULL && maxfaults != 1) { 2650*e14bb325SJeff Bonwick /* 2651*e14bb325SJeff Bonwick * Make vd0 explicitly claim to be unreadable, 2652*e14bb325SJeff Bonwick * or unwriteable, or reach behind its back 2653*e14bb325SJeff Bonwick * and close the underlying fd. We can do this if 2654*e14bb325SJeff Bonwick * maxfaults == 0 because we'll fail and reexecute, 2655*e14bb325SJeff Bonwick * and we can do it if maxfaults >= 2 because we'll 2656*e14bb325SJeff Bonwick * have enough redundancy. If maxfaults == 1, the 2657*e14bb325SJeff Bonwick * combination of this with injection of random data 2658*e14bb325SJeff Bonwick * corruption below exceeds the pool's fault tolerance. 2659*e14bb325SJeff Bonwick */ 2660*e14bb325SJeff Bonwick vdev_file_t *vf = vd0->vdev_tsd; 2661*e14bb325SJeff Bonwick 2662*e14bb325SJeff Bonwick if (vf != NULL && ztest_random(3) == 0) { 2663*e14bb325SJeff Bonwick (void) close(vf->vf_vnode->v_fd); 2664*e14bb325SJeff Bonwick vf->vf_vnode->v_fd = -1; 2665*e14bb325SJeff Bonwick } else if (ztest_random(2) == 0) { 2666*e14bb325SJeff Bonwick vd0->vdev_cant_read = B_TRUE; 2667*e14bb325SJeff Bonwick } else { 2668*e14bb325SJeff Bonwick vd0->vdev_cant_write = B_TRUE; 2669*e14bb325SJeff Bonwick } 2670*e14bb325SJeff Bonwick guid0 = vd0->vdev_guid; 2671*e14bb325SJeff Bonwick } 2672*e14bb325SJeff Bonwick } else { 2673*e14bb325SJeff Bonwick /* 2674*e14bb325SJeff Bonwick * Inject errors on an l2cache device. 2675*e14bb325SJeff Bonwick */ 2676*e14bb325SJeff Bonwick spa_aux_vdev_t *sav = &spa->spa_l2cache; 2677fa9e4066Sahrens 2678*e14bb325SJeff Bonwick if (sav->sav_count == 0) { 2679*e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 2680*e14bb325SJeff Bonwick return; 2681*e14bb325SJeff Bonwick } 2682*e14bb325SJeff Bonwick vd0 = sav->sav_vdevs[ztest_random(sav->sav_count)]; 2683ea8dc4b6Seschrock guid0 = vd0->vdev_guid; 2684*e14bb325SJeff Bonwick (void) strcpy(path0, vd0->vdev_path); 2685*e14bb325SJeff Bonwick (void) strcpy(pathrand, vd0->vdev_path); 2686*e14bb325SJeff Bonwick 2687*e14bb325SJeff Bonwick leaf = 0; 2688*e14bb325SJeff Bonwick leaves = 1; 2689*e14bb325SJeff Bonwick maxfaults = INT_MAX; /* no limit on cache devices */ 2690fa9e4066Sahrens } 2691fa9e4066Sahrens 2692*e14bb325SJeff Bonwick dprintf("damaging %s and %s\n", path0, pathrand); 2693*e14bb325SJeff Bonwick 2694*e14bb325SJeff Bonwick spa_config_exit(spa, SCL_STATE, FTAG); 2695*e14bb325SJeff Bonwick 2696*e14bb325SJeff Bonwick if (maxfaults == 0) 2697*e14bb325SJeff Bonwick return; 2698fa9e4066Sahrens 2699fa9e4066Sahrens /* 2700ea8dc4b6Seschrock * If we can tolerate two or more faults, randomly online/offline vd0. 2701fa9e4066Sahrens */ 2702*e14bb325SJeff Bonwick if (maxfaults >= 2 && guid0 != 0) { 2703fa9e4066Sahrens if (ztest_random(10) < 6) 2704ea8dc4b6Seschrock (void) vdev_offline(spa, guid0, B_TRUE); 2705fa9e4066Sahrens else 27063d7072f8Seschrock (void) vdev_online(spa, guid0, B_FALSE, NULL); 2707fa9e4066Sahrens } 2708fa9e4066Sahrens 2709fa9e4066Sahrens /* 2710ea8dc4b6Seschrock * We have at least single-fault tolerance, so inject data corruption. 2711fa9e4066Sahrens */ 2712fa9e4066Sahrens fd = open(pathrand, O_RDWR); 2713fa9e4066Sahrens 2714fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 2715fa9e4066Sahrens return; 2716fa9e4066Sahrens 2717fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 2718fa9e4066Sahrens 2719fa9e4066Sahrens while (--iters != 0) { 2720fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 2721fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 2722fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 2723fa9e4066Sahrens 2724fa9e4066Sahrens if (offset >= fsize) 2725fa9e4066Sahrens continue; 2726fa9e4066Sahrens 2727fa9e4066Sahrens if (zopt_verbose >= 6) 2728fa9e4066Sahrens (void) printf("injecting bad word into %s," 2729fa9e4066Sahrens " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 2730fa9e4066Sahrens 2731fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 2732fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 2733fa9e4066Sahrens offset, pathrand); 2734fa9e4066Sahrens } 2735fa9e4066Sahrens 2736fa9e4066Sahrens (void) close(fd); 2737fa9e4066Sahrens } 2738fa9e4066Sahrens 2739fa9e4066Sahrens /* 2740fa9e4066Sahrens * Scrub the pool. 2741fa9e4066Sahrens */ 2742fa9e4066Sahrens void 2743fa9e4066Sahrens ztest_scrub(ztest_args_t *za) 2744fa9e4066Sahrens { 2745e05725b1Sbonwick spa_t *spa = za->za_spa; 2746fa9e4066Sahrens 2747088f3894Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 2748fa9e4066Sahrens (void) poll(NULL, 0, 1000); /* wait a second, then force a restart */ 2749088f3894Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING); 2750fa9e4066Sahrens } 2751fa9e4066Sahrens 2752fa9e4066Sahrens /* 2753fa9e4066Sahrens * Rename the pool to a different name and then rename it back. 2754fa9e4066Sahrens */ 2755fa9e4066Sahrens void 2756fa9e4066Sahrens ztest_spa_rename(ztest_args_t *za) 2757fa9e4066Sahrens { 2758fa9e4066Sahrens char *oldname, *newname; 2759fa9e4066Sahrens int error; 2760fa9e4066Sahrens spa_t *spa; 2761fa9e4066Sahrens 2762fa9e4066Sahrens (void) rw_wrlock(&ztest_shared->zs_name_lock); 2763fa9e4066Sahrens 2764fa9e4066Sahrens oldname = za->za_pool; 2765fa9e4066Sahrens newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 2766fa9e4066Sahrens (void) strcpy(newname, oldname); 2767fa9e4066Sahrens (void) strcat(newname, "_tmp"); 2768fa9e4066Sahrens 2769fa9e4066Sahrens /* 2770fa9e4066Sahrens * Do the rename 2771fa9e4066Sahrens */ 2772fa9e4066Sahrens error = spa_rename(oldname, newname); 2773fa9e4066Sahrens if (error) 2774fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", oldname, 2775fa9e4066Sahrens newname, error); 2776fa9e4066Sahrens 2777fa9e4066Sahrens /* 2778fa9e4066Sahrens * Try to open it under the old name, which shouldn't exist 2779fa9e4066Sahrens */ 2780fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2781fa9e4066Sahrens if (error != ENOENT) 2782fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 2783fa9e4066Sahrens 2784fa9e4066Sahrens /* 2785fa9e4066Sahrens * Open it under the new name and make sure it's still the same spa_t. 2786fa9e4066Sahrens */ 2787fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 2788fa9e4066Sahrens if (error != 0) 2789fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 2790fa9e4066Sahrens 2791e05725b1Sbonwick ASSERT(spa == za->za_spa); 2792fa9e4066Sahrens spa_close(spa, FTAG); 2793fa9e4066Sahrens 2794fa9e4066Sahrens /* 2795fa9e4066Sahrens * Rename it back to the original 2796fa9e4066Sahrens */ 2797fa9e4066Sahrens error = spa_rename(newname, oldname); 2798fa9e4066Sahrens if (error) 2799fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", newname, 2800fa9e4066Sahrens oldname, error); 2801fa9e4066Sahrens 2802fa9e4066Sahrens /* 2803fa9e4066Sahrens * Make sure it can still be opened 2804fa9e4066Sahrens */ 2805fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2806fa9e4066Sahrens if (error != 0) 2807fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 2808fa9e4066Sahrens 2809e05725b1Sbonwick ASSERT(spa == za->za_spa); 2810fa9e4066Sahrens spa_close(spa, FTAG); 2811fa9e4066Sahrens 2812fa9e4066Sahrens umem_free(newname, strlen(newname) + 1); 2813fa9e4066Sahrens 2814fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 2815fa9e4066Sahrens } 2816fa9e4066Sahrens 2817fa9e4066Sahrens 2818fa9e4066Sahrens /* 2819fa9e4066Sahrens * Completely obliterate one disk. 2820fa9e4066Sahrens */ 2821fa9e4066Sahrens static void 2822fa9e4066Sahrens ztest_obliterate_one_disk(uint64_t vdev) 2823fa9e4066Sahrens { 2824fa9e4066Sahrens int fd; 2825d80c45e0Sbonwick char dev_name[MAXPATHLEN], copy_name[MAXPATHLEN]; 2826fa9e4066Sahrens size_t fsize; 2827fa9e4066Sahrens 2828fa9e4066Sahrens if (zopt_maxfaults < 2) 2829fa9e4066Sahrens return; 2830fa9e4066Sahrens 2831fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 2832d80c45e0Sbonwick (void) snprintf(copy_name, MAXPATHLEN, "%s.old", dev_name); 2833fa9e4066Sahrens 2834fa9e4066Sahrens fd = open(dev_name, O_RDWR); 2835fa9e4066Sahrens 2836fa9e4066Sahrens if (fd == -1) 2837fa9e4066Sahrens fatal(1, "can't open %s", dev_name); 2838fa9e4066Sahrens 2839fa9e4066Sahrens /* 2840fa9e4066Sahrens * Determine the size. 2841fa9e4066Sahrens */ 2842fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 2843d80c45e0Sbonwick 2844fa9e4066Sahrens (void) close(fd); 2845fa9e4066Sahrens 2846fa9e4066Sahrens /* 2847d80c45e0Sbonwick * Rename the old device to dev_name.old (useful for debugging). 2848fa9e4066Sahrens */ 2849d80c45e0Sbonwick VERIFY(rename(dev_name, copy_name) == 0); 2850fa9e4066Sahrens 2851fa9e4066Sahrens /* 2852fa9e4066Sahrens * Create a new one. 2853fa9e4066Sahrens */ 2854fa9e4066Sahrens VERIFY((fd = open(dev_name, O_RDWR | O_CREAT | O_TRUNC, 0666)) >= 0); 2855fa9e4066Sahrens VERIFY(ftruncate(fd, fsize) == 0); 2856fa9e4066Sahrens (void) close(fd); 2857fa9e4066Sahrens } 2858fa9e4066Sahrens 2859fa9e4066Sahrens static void 2860fa9e4066Sahrens ztest_replace_one_disk(spa_t *spa, uint64_t vdev) 2861fa9e4066Sahrens { 2862fa9e4066Sahrens char dev_name[MAXPATHLEN]; 2863*e14bb325SJeff Bonwick nvlist_t *root; 2864fa9e4066Sahrens int error; 2865ea8dc4b6Seschrock uint64_t guid; 2866ea8dc4b6Seschrock vdev_t *vd; 2867fa9e4066Sahrens 2868fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 2869fa9e4066Sahrens 2870fa9e4066Sahrens /* 2871fa9e4066Sahrens * Build the nvlist describing dev_name. 2872fa9e4066Sahrens */ 2873*e14bb325SJeff Bonwick root = make_vdev_root(dev_name, NULL, 0, 0, 0, 0, 0, 1); 2874fa9e4066Sahrens 2875*e14bb325SJeff Bonwick spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER); 2876ea8dc4b6Seschrock if ((vd = vdev_lookup_by_path(spa->spa_root_vdev, dev_name)) == NULL) 2877ea8dc4b6Seschrock guid = 0; 2878ea8dc4b6Seschrock else 2879ea8dc4b6Seschrock guid = vd->vdev_guid; 2880*e14bb325SJeff Bonwick spa_config_exit(spa, SCL_VDEV, FTAG); 2881ea8dc4b6Seschrock error = spa_vdev_attach(spa, guid, root, B_TRUE); 2882ecc2d604Sbonwick if (error != 0 && 2883ecc2d604Sbonwick error != EBUSY && 2884ecc2d604Sbonwick error != ENOTSUP && 2885ecc2d604Sbonwick error != ENODEV && 2886ecc2d604Sbonwick error != EDOM) 2887fa9e4066Sahrens fatal(0, "spa_vdev_attach(in-place) = %d", error); 2888fa9e4066Sahrens 2889fa9e4066Sahrens nvlist_free(root); 2890fa9e4066Sahrens } 2891fa9e4066Sahrens 2892fa9e4066Sahrens static void 2893fa9e4066Sahrens ztest_verify_blocks(char *pool) 2894fa9e4066Sahrens { 2895fa9e4066Sahrens int status; 2896fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 2897fa9e4066Sahrens char zbuf[1024]; 2898fa9e4066Sahrens char *bin; 28998654d025Sperrin char *ztest; 29008654d025Sperrin char *isa; 29018654d025Sperrin int isalen; 2902fa9e4066Sahrens FILE *fp; 2903fa9e4066Sahrens 2904fa9e4066Sahrens (void) realpath(getexecname(), zdb); 2905fa9e4066Sahrens 2906fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 2907fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 29088654d025Sperrin ztest = strstr(bin, "/ztest"); 29098654d025Sperrin isa = bin + 8; 29108654d025Sperrin isalen = ztest - isa; 29118654d025Sperrin isa = strdup(isa); 2912fa9e4066Sahrens /* LINTED */ 29133a57275aSck (void) sprintf(bin, 29143a57275aSck "/usr/sbin%.*s/zdb -bc%s%s -U /tmp/zpool.cache -O %s %s", 29158654d025Sperrin isalen, 29168654d025Sperrin isa, 2917fa9e4066Sahrens zopt_verbose >= 3 ? "s" : "", 2918fa9e4066Sahrens zopt_verbose >= 4 ? "v" : "", 2919fa9e4066Sahrens ztest_random(2) == 0 ? "pre" : "post", pool); 29208654d025Sperrin free(isa); 2921fa9e4066Sahrens 2922fa9e4066Sahrens if (zopt_verbose >= 5) 2923fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 2924fa9e4066Sahrens 2925fa9e4066Sahrens fp = popen(zdb, "r"); 2926fa9e4066Sahrens 2927fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 2928fa9e4066Sahrens if (zopt_verbose >= 3) 2929fa9e4066Sahrens (void) printf("%s", zbuf); 2930fa9e4066Sahrens 2931fa9e4066Sahrens status = pclose(fp); 2932fa9e4066Sahrens 2933fa9e4066Sahrens if (status == 0) 2934fa9e4066Sahrens return; 2935fa9e4066Sahrens 2936fa9e4066Sahrens ztest_dump_core = 0; 2937fa9e4066Sahrens if (WIFEXITED(status)) 2938fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 2939fa9e4066Sahrens else 2940fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 2941fa9e4066Sahrens } 2942fa9e4066Sahrens 2943fa9e4066Sahrens static void 2944fa9e4066Sahrens ztest_walk_pool_directory(char *header) 2945fa9e4066Sahrens { 2946fa9e4066Sahrens spa_t *spa = NULL; 2947fa9e4066Sahrens 2948fa9e4066Sahrens if (zopt_verbose >= 6) 2949fa9e4066Sahrens (void) printf("%s\n", header); 2950fa9e4066Sahrens 2951fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 2952fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 2953fa9e4066Sahrens if (zopt_verbose >= 6) 2954fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 2955fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 2956fa9e4066Sahrens } 2957fa9e4066Sahrens 2958fa9e4066Sahrens static void 2959fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 2960fa9e4066Sahrens { 2961fa9e4066Sahrens nvlist_t *config; 2962fa9e4066Sahrens uint64_t pool_guid; 2963fa9e4066Sahrens spa_t *spa; 2964fa9e4066Sahrens int error; 2965fa9e4066Sahrens 2966fa9e4066Sahrens if (zopt_verbose >= 4) { 2967fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 2968fa9e4066Sahrens oldname, newname); 2969fa9e4066Sahrens } 2970fa9e4066Sahrens 2971fa9e4066Sahrens /* 2972fa9e4066Sahrens * Clean up from previous runs. 2973fa9e4066Sahrens */ 2974fa9e4066Sahrens (void) spa_destroy(newname); 2975fa9e4066Sahrens 2976fa9e4066Sahrens /* 2977fa9e4066Sahrens * Get the pool's configuration and guid. 2978fa9e4066Sahrens */ 2979fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2980fa9e4066Sahrens if (error) 2981fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 2982fa9e4066Sahrens 2983fa9e4066Sahrens pool_guid = spa_guid(spa); 2984fa9e4066Sahrens spa_close(spa, FTAG); 2985fa9e4066Sahrens 2986fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 2987fa9e4066Sahrens 2988fa9e4066Sahrens /* 2989fa9e4066Sahrens * Export it. 2990fa9e4066Sahrens */ 299189a89ebfSlling error = spa_export(oldname, &config, B_FALSE); 2992fa9e4066Sahrens if (error) 2993fa9e4066Sahrens fatal(0, "spa_export('%s') = %d", oldname, error); 2994fa9e4066Sahrens 2995fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 2996fa9e4066Sahrens 2997fa9e4066Sahrens /* 2998fa9e4066Sahrens * Import it under the new name. 2999fa9e4066Sahrens */ 3000fa9e4066Sahrens error = spa_import(newname, config, NULL); 3001fa9e4066Sahrens if (error) 3002fa9e4066Sahrens fatal(0, "spa_import('%s') = %d", newname, error); 3003fa9e4066Sahrens 3004fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 3005fa9e4066Sahrens 3006fa9e4066Sahrens /* 3007fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 3008fa9e4066Sahrens */ 3009fa9e4066Sahrens error = spa_import(newname, config, NULL); 3010fa9e4066Sahrens if (error != EEXIST) 3011fa9e4066Sahrens fatal(0, "spa_import('%s') twice", newname); 3012fa9e4066Sahrens 3013fa9e4066Sahrens /* 3014fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 3015fa9e4066Sahrens */ 3016fa9e4066Sahrens error = spa_import(oldname, config, NULL); 3017fa9e4066Sahrens if (error != EEXIST) 3018fa9e4066Sahrens fatal(0, "spa_import('%s') under multiple names", newname); 3019fa9e4066Sahrens 3020fa9e4066Sahrens /* 3021fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 3022fa9e4066Sahrens */ 3023fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 3024fa9e4066Sahrens if (error != ENOENT) 3025fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3026fa9e4066Sahrens 3027fa9e4066Sahrens /* 3028fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 3029fa9e4066Sahrens */ 3030fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 3031fa9e4066Sahrens if (error) 3032fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 3033fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 3034fa9e4066Sahrens spa_close(spa, FTAG); 3035fa9e4066Sahrens 3036fa9e4066Sahrens nvlist_free(config); 3037fa9e4066Sahrens } 3038fa9e4066Sahrens 30390a4e9518Sgw static void * 3040*e14bb325SJeff Bonwick ztest_resume(void *arg) 30410a4e9518Sgw { 3042*e14bb325SJeff Bonwick spa_t *spa = arg; 30430a4e9518Sgw 30440a4e9518Sgw while (!ztest_exiting) { 3045*e14bb325SJeff Bonwick (void) poll(NULL, 0, 1000); 30460a4e9518Sgw 3047*e14bb325SJeff Bonwick if (!spa_suspended(spa)) 3048*e14bb325SJeff Bonwick continue; 3049*e14bb325SJeff Bonwick 3050*e14bb325SJeff Bonwick spa_vdev_state_enter(spa); 3051*e14bb325SJeff Bonwick vdev_clear(spa, NULL); 3052*e14bb325SJeff Bonwick (void) spa_vdev_state_exit(spa, NULL, 0); 3053*e14bb325SJeff Bonwick 3054*e14bb325SJeff Bonwick zio_resume(spa); 30550a4e9518Sgw } 30560a4e9518Sgw return (NULL); 30570a4e9518Sgw } 30580a4e9518Sgw 3059fa9e4066Sahrens static void * 3060fa9e4066Sahrens ztest_thread(void *arg) 3061fa9e4066Sahrens { 3062fa9e4066Sahrens ztest_args_t *za = arg; 3063fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 3064fa9e4066Sahrens hrtime_t now, functime; 3065fa9e4066Sahrens ztest_info_t *zi; 3066e05725b1Sbonwick int f, i; 3067fa9e4066Sahrens 3068fa9e4066Sahrens while ((now = gethrtime()) < za->za_stop) { 3069fa9e4066Sahrens /* 3070fa9e4066Sahrens * See if it's time to force a crash. 3071fa9e4066Sahrens */ 3072fa9e4066Sahrens if (now > za->za_kill) { 3073e05725b1Sbonwick zs->zs_alloc = spa_get_alloc(za->za_spa); 3074e05725b1Sbonwick zs->zs_space = spa_get_space(za->za_spa); 3075fa9e4066Sahrens (void) kill(getpid(), SIGKILL); 3076fa9e4066Sahrens } 3077fa9e4066Sahrens 3078fa9e4066Sahrens /* 3079fa9e4066Sahrens * Pick a random function. 3080fa9e4066Sahrens */ 3081fa9e4066Sahrens f = ztest_random(ZTEST_FUNCS); 3082fa9e4066Sahrens zi = &zs->zs_info[f]; 3083fa9e4066Sahrens 3084fa9e4066Sahrens /* 3085fa9e4066Sahrens * Decide whether to call it, based on the requested frequency. 3086fa9e4066Sahrens */ 3087fa9e4066Sahrens if (zi->zi_call_target == 0 || 3088fa9e4066Sahrens (double)zi->zi_call_total / zi->zi_call_target > 3089fa9e4066Sahrens (double)(now - zs->zs_start_time) / (zopt_time * NANOSEC)) 3090fa9e4066Sahrens continue; 3091fa9e4066Sahrens 3092fa9e4066Sahrens atomic_add_64(&zi->zi_calls, 1); 3093fa9e4066Sahrens atomic_add_64(&zi->zi_call_total, 1); 3094fa9e4066Sahrens 3095fa9e4066Sahrens za->za_diroff = (za->za_instance * ZTEST_FUNCS + f) * 3096fa9e4066Sahrens ZTEST_DIRSIZE; 3097fa9e4066Sahrens za->za_diroff_shared = (1ULL << 63); 3098fa9e4066Sahrens 3099e05725b1Sbonwick for (i = 0; i < zi->zi_iters; i++) 3100e05725b1Sbonwick zi->zi_func(za); 3101fa9e4066Sahrens 3102fa9e4066Sahrens functime = gethrtime() - now; 3103fa9e4066Sahrens 3104fa9e4066Sahrens atomic_add_64(&zi->zi_call_time, functime); 3105fa9e4066Sahrens 3106fa9e4066Sahrens if (zopt_verbose >= 4) { 3107fa9e4066Sahrens Dl_info dli; 3108fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 3109fa9e4066Sahrens (void) printf("%6.2f sec in %s\n", 3110fa9e4066Sahrens (double)functime / NANOSEC, dli.dli_sname); 3111fa9e4066Sahrens } 3112fa9e4066Sahrens 3113fa9e4066Sahrens /* 3114fa9e4066Sahrens * If we're getting ENOSPC with some regularity, stop. 3115fa9e4066Sahrens */ 3116fa9e4066Sahrens if (zs->zs_enospc_count > 10) 3117fa9e4066Sahrens break; 3118fa9e4066Sahrens } 3119fa9e4066Sahrens 3120fa9e4066Sahrens return (NULL); 3121fa9e4066Sahrens } 3122fa9e4066Sahrens 3123fa9e4066Sahrens /* 3124fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 3125fa9e4066Sahrens */ 3126fa9e4066Sahrens static void 3127fa9e4066Sahrens ztest_run(char *pool) 3128fa9e4066Sahrens { 3129fa9e4066Sahrens int t, d, error; 3130fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 3131fa9e4066Sahrens ztest_args_t *za; 3132fa9e4066Sahrens spa_t *spa; 3133fa9e4066Sahrens char name[100]; 3134*e14bb325SJeff Bonwick thread_t resume_tid; 3135*e14bb325SJeff Bonwick 3136*e14bb325SJeff Bonwick ztest_exiting = B_FALSE; 3137fa9e4066Sahrens 3138fa9e4066Sahrens (void) _mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL); 3139fa9e4066Sahrens (void) rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL); 3140fa9e4066Sahrens 3141fa9e4066Sahrens for (t = 0; t < ZTEST_SYNC_LOCKS; t++) 3142fa9e4066Sahrens (void) _mutex_init(&zs->zs_sync_lock[t], USYNC_THREAD, NULL); 3143fa9e4066Sahrens 3144fa9e4066Sahrens /* 3145fa9e4066Sahrens * Destroy one disk before we even start. 3146fa9e4066Sahrens * It's mirrored, so everything should work just fine. 3147fa9e4066Sahrens * This makes us exercise fault handling very early in spa_load(). 3148fa9e4066Sahrens */ 3149fa9e4066Sahrens ztest_obliterate_one_disk(0); 3150fa9e4066Sahrens 3151fa9e4066Sahrens /* 3152fa9e4066Sahrens * Verify that the sum of the sizes of all blocks in the pool 3153fa9e4066Sahrens * equals the SPA's allocated space total. 3154fa9e4066Sahrens */ 3155fa9e4066Sahrens ztest_verify_blocks(pool); 3156fa9e4066Sahrens 3157fa9e4066Sahrens /* 3158fa9e4066Sahrens * Kick off a replacement of the disk we just obliterated. 3159fa9e4066Sahrens */ 3160fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3161*e14bb325SJeff Bonwick VERIFY(spa_open(pool, &spa, FTAG) == 0); 3162fa9e4066Sahrens ztest_replace_one_disk(spa, 0); 3163fa9e4066Sahrens if (zopt_verbose >= 5) 3164fa9e4066Sahrens show_pool_stats(spa); 3165fa9e4066Sahrens spa_close(spa, FTAG); 3166fa9e4066Sahrens kernel_fini(); 3167fa9e4066Sahrens 3168fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3169fa9e4066Sahrens 3170fa9e4066Sahrens /* 3171fa9e4066Sahrens * Verify that we can export the pool and reimport it under a 3172fa9e4066Sahrens * different name. 3173fa9e4066Sahrens */ 31740e34b6a7Sbonwick if (ztest_random(2) == 0) { 31750e34b6a7Sbonwick (void) snprintf(name, 100, "%s_import", pool); 31760e34b6a7Sbonwick ztest_spa_import_export(pool, name); 31770e34b6a7Sbonwick ztest_spa_import_export(name, pool); 31780e34b6a7Sbonwick } 3179fa9e4066Sahrens 3180fa9e4066Sahrens /* 3181fa9e4066Sahrens * Verify that we can loop over all pools. 3182fa9e4066Sahrens */ 3183fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 3184fa9e4066Sahrens for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) { 3185fa9e4066Sahrens if (zopt_verbose > 3) { 3186fa9e4066Sahrens (void) printf("spa_next: found %s\n", spa_name(spa)); 3187fa9e4066Sahrens } 3188fa9e4066Sahrens } 3189fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 3190fa9e4066Sahrens 31910a4e9518Sgw /* 3192*e14bb325SJeff Bonwick * Open our pool. 31930a4e9518Sgw */ 3194*e14bb325SJeff Bonwick VERIFY(spa_open(pool, &spa, FTAG) == 0); 31950a4e9518Sgw 3196fa9e4066Sahrens /* 3197*e14bb325SJeff Bonwick * Create a thread to periodically resume suspended I/O. 3198fa9e4066Sahrens */ 3199*e14bb325SJeff Bonwick VERIFY(thr_create(0, 0, ztest_resume, spa, THR_BOUND, 3200*e14bb325SJeff Bonwick &resume_tid) == 0); 3201fa9e4066Sahrens 3202fa9e4066Sahrens /* 3203fa9e4066Sahrens * Verify that we can safely inquire about about any object, 3204fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 3205fa9e4066Sahrens * we probe a 5-wide window around each power of two. 3206fa9e4066Sahrens * This hits all edge cases, including zero and the max. 3207fa9e4066Sahrens */ 3208fa9e4066Sahrens for (t = 0; t < 64; t++) { 3209fa9e4066Sahrens for (d = -5; d <= 5; d++) { 3210fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 3211fa9e4066Sahrens (1ULL << t) + d, NULL); 3212ea8dc4b6Seschrock ASSERT(error == 0 || error == ENOENT || 3213ea8dc4b6Seschrock error == EINVAL); 3214fa9e4066Sahrens } 3215fa9e4066Sahrens } 3216fa9e4066Sahrens 3217fa9e4066Sahrens /* 3218fa9e4066Sahrens * Now kick off all the tests that run in parallel. 3219fa9e4066Sahrens */ 3220fa9e4066Sahrens zs->zs_enospc_count = 0; 3221fa9e4066Sahrens 3222fa9e4066Sahrens za = umem_zalloc(zopt_threads * sizeof (ztest_args_t), UMEM_NOFAIL); 3223fa9e4066Sahrens 3224fa9e4066Sahrens if (zopt_verbose >= 4) 3225fa9e4066Sahrens (void) printf("starting main threads...\n"); 3226fa9e4066Sahrens 3227fa9e4066Sahrens za[0].za_start = gethrtime(); 3228fa9e4066Sahrens za[0].za_stop = za[0].za_start + zopt_passtime * NANOSEC; 3229fa9e4066Sahrens za[0].za_stop = MIN(za[0].za_stop, zs->zs_stop_time); 3230fa9e4066Sahrens za[0].za_kill = za[0].za_stop; 3231fa9e4066Sahrens if (ztest_random(100) < zopt_killrate) 3232fa9e4066Sahrens za[0].za_kill -= ztest_random(zopt_passtime * NANOSEC); 3233fa9e4066Sahrens 3234fa9e4066Sahrens for (t = 0; t < zopt_threads; t++) { 3235ecc2d604Sbonwick d = t % zopt_datasets; 3236e05725b1Sbonwick 3237e05725b1Sbonwick (void) strcpy(za[t].za_pool, pool); 3238e05725b1Sbonwick za[t].za_os = za[d].za_os; 3239e05725b1Sbonwick za[t].za_spa = spa; 3240e05725b1Sbonwick za[t].za_zilog = za[d].za_zilog; 3241e05725b1Sbonwick za[t].za_instance = t; 3242e05725b1Sbonwick za[t].za_random = ztest_random(-1ULL); 3243e05725b1Sbonwick za[t].za_start = za[0].za_start; 3244e05725b1Sbonwick za[t].za_stop = za[0].za_stop; 3245e05725b1Sbonwick za[t].za_kill = za[0].za_kill; 3246e05725b1Sbonwick 3247ecc2d604Sbonwick if (t < zopt_datasets) { 3248fa9e4066Sahrens ztest_replay_t zr; 32494d31c452Smaybee int test_future = FALSE; 3250fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3251fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_%d", pool, pool, d); 3252ab04eb8eStimh error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0, 3253fa9e4066Sahrens ztest_create_cb, NULL); 32544d31c452Smaybee if (error == EEXIST) { 32554d31c452Smaybee test_future = TRUE; 3256e05725b1Sbonwick } else if (error == ENOSPC) { 3257e05725b1Sbonwick zs->zs_enospc_count++; 3258e05725b1Sbonwick (void) rw_unlock(&ztest_shared->zs_name_lock); 3259e05725b1Sbonwick break; 32604d31c452Smaybee } else if (error != 0) { 3261fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", 3262fa9e4066Sahrens name, error); 3263fa9e4066Sahrens } 3264fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, 3265745cd3c5Smaybee DS_MODE_USER, &za[d].za_os); 3266fa9e4066Sahrens if (error) 3267fa9e4066Sahrens fatal(0, "dmu_objset_open('%s') = %d", 3268fa9e4066Sahrens name, error); 3269fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3270e05725b1Sbonwick if (test_future) 3271e05725b1Sbonwick ztest_dmu_check_future_leak(&za[t]); 3272fa9e4066Sahrens zr.zr_os = za[d].za_os; 3273fa9e4066Sahrens zil_replay(zr.zr_os, &zr, &zr.zr_assign, 3274a6e57bd4SNeil Perrin ztest_replay_vector, NULL); 3275fa9e4066Sahrens za[d].za_zilog = zil_open(za[d].za_os, NULL); 3276fa9e4066Sahrens } 3277fa9e4066Sahrens 3278*e14bb325SJeff Bonwick VERIFY(thr_create(0, 0, ztest_thread, &za[t], THR_BOUND, 3279*e14bb325SJeff Bonwick &za[t].za_thread) == 0); 3280fa9e4066Sahrens } 3281fa9e4066Sahrens 3282fa9e4066Sahrens while (--t >= 0) { 3283*e14bb325SJeff Bonwick VERIFY(thr_join(za[t].za_thread, NULL, NULL) == 0); 3284fa9e4066Sahrens if (za[t].za_th) 3285fa9e4066Sahrens traverse_fini(za[t].za_th); 3286ecc2d604Sbonwick if (t < zopt_datasets) { 3287fa9e4066Sahrens zil_close(za[t].za_zilog); 3288fa9e4066Sahrens dmu_objset_close(za[t].za_os); 3289fa9e4066Sahrens } 3290fa9e4066Sahrens } 3291fa9e4066Sahrens 3292fa9e4066Sahrens if (zopt_verbose >= 3) 3293fa9e4066Sahrens show_pool_stats(spa); 3294fa9e4066Sahrens 3295fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 3296fa9e4066Sahrens 3297fa9e4066Sahrens zs->zs_alloc = spa_get_alloc(spa); 3298fa9e4066Sahrens zs->zs_space = spa_get_space(spa); 3299fa9e4066Sahrens 3300fa9e4066Sahrens /* 3301e05725b1Sbonwick * If we had out-of-space errors, destroy a random objset. 3302fa9e4066Sahrens */ 3303fa9e4066Sahrens if (zs->zs_enospc_count != 0) { 3304fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3305e05725b1Sbonwick d = (int)ztest_random(zopt_datasets); 3306e05725b1Sbonwick (void) snprintf(name, 100, "%s/%s_%d", pool, pool, d); 3307fa9e4066Sahrens if (zopt_verbose >= 3) 3308fa9e4066Sahrens (void) printf("Destroying %s to free up space\n", name); 3309e05725b1Sbonwick (void) dmu_objset_find(name, ztest_destroy_cb, &za[d], 33100b69c2f0Sahrens DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 3311fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3312fa9e4066Sahrens } 3313fa9e4066Sahrens 3314ea8dc4b6Seschrock txg_wait_synced(spa_get_dsl(spa), 0); 3315fa9e4066Sahrens 3316*e14bb325SJeff Bonwick umem_free(za, zopt_threads * sizeof (ztest_args_t)); 3317*e14bb325SJeff Bonwick 3318*e14bb325SJeff Bonwick /* Kill the resume thread */ 3319*e14bb325SJeff Bonwick ztest_exiting = B_TRUE; 3320*e14bb325SJeff Bonwick VERIFY(thr_join(resume_tid, NULL, NULL) == 0); 3321*e14bb325SJeff Bonwick 3322fa9e4066Sahrens /* 3323fa9e4066Sahrens * Right before closing the pool, kick off a bunch of async I/O; 3324fa9e4066Sahrens * spa_close() should wait for it to complete. 3325fa9e4066Sahrens */ 3326fa9e4066Sahrens for (t = 1; t < 50; t++) 3327fa9e4066Sahrens dmu_prefetch(spa->spa_meta_objset, t, 0, 1 << 15); 3328fa9e4066Sahrens 3329e05725b1Sbonwick spa_close(spa, FTAG); 3330e05725b1Sbonwick 3331fa9e4066Sahrens kernel_fini(); 3332fa9e4066Sahrens } 3333fa9e4066Sahrens 3334fa9e4066Sahrens void 3335fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 3336fa9e4066Sahrens { 3337fa9e4066Sahrens hrtime_t s = t / NANOSEC; 3338fa9e4066Sahrens hrtime_t m = s / 60; 3339fa9e4066Sahrens hrtime_t h = m / 60; 3340fa9e4066Sahrens hrtime_t d = h / 24; 3341fa9e4066Sahrens 3342fa9e4066Sahrens s -= m * 60; 3343fa9e4066Sahrens m -= h * 60; 3344fa9e4066Sahrens h -= d * 24; 3345fa9e4066Sahrens 3346fa9e4066Sahrens timebuf[0] = '\0'; 3347fa9e4066Sahrens 3348fa9e4066Sahrens if (d) 3349fa9e4066Sahrens (void) sprintf(timebuf, 3350fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 3351fa9e4066Sahrens else if (h) 3352fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 3353fa9e4066Sahrens else if (m) 3354fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 3355fa9e4066Sahrens else 3356fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 3357fa9e4066Sahrens } 3358fa9e4066Sahrens 3359fa9e4066Sahrens /* 3360fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 3361fa9e4066Sahrens * Then create the specified number of datasets in the pool. 3362fa9e4066Sahrens */ 3363fa9e4066Sahrens static void 3364fa9e4066Sahrens ztest_init(char *pool) 3365fa9e4066Sahrens { 3366fa9e4066Sahrens spa_t *spa; 3367fa9e4066Sahrens int error; 3368fa9e4066Sahrens nvlist_t *nvroot; 3369fa9e4066Sahrens 3370fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3371fa9e4066Sahrens 3372fa9e4066Sahrens /* 3373fa9e4066Sahrens * Create the storage pool. 3374fa9e4066Sahrens */ 3375fa9e4066Sahrens (void) spa_destroy(pool); 3376fa9e4066Sahrens ztest_shared->zs_vdev_primaries = 0; 3377*e14bb325SJeff Bonwick nvroot = make_vdev_root(NULL, NULL, zopt_vdev_size, 0, 3378*e14bb325SJeff Bonwick 0, zopt_raidz, zopt_mirrors, 1); 33790a48a24eStimh error = spa_create(pool, nvroot, NULL, NULL, NULL); 3380fa9e4066Sahrens nvlist_free(nvroot); 3381fa9e4066Sahrens 3382fa9e4066Sahrens if (error) 3383fa9e4066Sahrens fatal(0, "spa_create() = %d", error); 3384fa9e4066Sahrens error = spa_open(pool, &spa, FTAG); 3385fa9e4066Sahrens if (error) 3386fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 3387fa9e4066Sahrens 3388fa9e4066Sahrens if (zopt_verbose >= 3) 3389fa9e4066Sahrens show_pool_stats(spa); 3390fa9e4066Sahrens 3391fa9e4066Sahrens spa_close(spa, FTAG); 3392fa9e4066Sahrens 3393fa9e4066Sahrens kernel_fini(); 3394fa9e4066Sahrens } 3395fa9e4066Sahrens 3396fa9e4066Sahrens int 3397fa9e4066Sahrens main(int argc, char **argv) 3398fa9e4066Sahrens { 3399fa9e4066Sahrens int kills = 0; 3400fa9e4066Sahrens int iters = 0; 3401fa9e4066Sahrens int i, f; 3402fa9e4066Sahrens ztest_shared_t *zs; 3403fa9e4066Sahrens ztest_info_t *zi; 3404fa9e4066Sahrens char timebuf[100]; 3405fa9e4066Sahrens char numbuf[6]; 3406fa9e4066Sahrens 3407fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 3408fa9e4066Sahrens 3409fa9e4066Sahrens /* Override location of zpool.cache */ 3410c5904d13Seschrock spa_config_path = "/tmp/zpool.cache"; 3411fa9e4066Sahrens 3412fa9e4066Sahrens ztest_random_fd = open("/dev/urandom", O_RDONLY); 3413fa9e4066Sahrens 3414fa9e4066Sahrens process_options(argc, argv); 3415fa9e4066Sahrens 3416fa9e4066Sahrens argc -= optind; 3417fa9e4066Sahrens argv += optind; 3418fa9e4066Sahrens 3419fa9e4066Sahrens dprintf_setup(&argc, argv); 3420fa9e4066Sahrens 3421ea8dc4b6Seschrock /* 3422ea8dc4b6Seschrock * Blow away any existing copy of zpool.cache 3423ea8dc4b6Seschrock */ 3424ea8dc4b6Seschrock if (zopt_init != 0) 3425ea8dc4b6Seschrock (void) remove("/tmp/zpool.cache"); 3426ea8dc4b6Seschrock 3427fa9e4066Sahrens zs = ztest_shared = (void *)mmap(0, 3428fa9e4066Sahrens P2ROUNDUP(sizeof (ztest_shared_t), getpagesize()), 3429fa9e4066Sahrens PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); 3430fa9e4066Sahrens 3431fa9e4066Sahrens if (zopt_verbose >= 1) { 3432fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 3433fa9e4066Sahrens " %llu seconds...\n", 3434ecc2d604Sbonwick (u_longlong_t)zopt_vdevs, zopt_datasets, zopt_threads, 3435fa9e4066Sahrens (u_longlong_t)zopt_time); 3436fa9e4066Sahrens } 3437fa9e4066Sahrens 3438fa9e4066Sahrens /* 3439fa9e4066Sahrens * Create and initialize our storage pool. 3440fa9e4066Sahrens */ 3441fa9e4066Sahrens for (i = 1; i <= zopt_init; i++) { 3442fa9e4066Sahrens bzero(zs, sizeof (ztest_shared_t)); 3443fa9e4066Sahrens if (zopt_verbose >= 3 && zopt_init != 1) 3444fa9e4066Sahrens (void) printf("ztest_init(), pass %d\n", i); 3445fa9e4066Sahrens ztest_init(zopt_pool); 3446fa9e4066Sahrens } 3447fa9e4066Sahrens 3448fa9e4066Sahrens /* 3449fa9e4066Sahrens * Initialize the call targets for each function. 3450fa9e4066Sahrens */ 3451fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3452fa9e4066Sahrens zi = &zs->zs_info[f]; 3453fa9e4066Sahrens 3454fa9e4066Sahrens *zi = ztest_info[f]; 3455fa9e4066Sahrens 3456fa9e4066Sahrens if (*zi->zi_interval == 0) 3457fa9e4066Sahrens zi->zi_call_target = UINT64_MAX; 3458fa9e4066Sahrens else 3459fa9e4066Sahrens zi->zi_call_target = zopt_time / *zi->zi_interval; 3460fa9e4066Sahrens } 3461fa9e4066Sahrens 3462fa9e4066Sahrens zs->zs_start_time = gethrtime(); 3463fa9e4066Sahrens zs->zs_stop_time = zs->zs_start_time + zopt_time * NANOSEC; 3464fa9e4066Sahrens 3465fa9e4066Sahrens /* 3466fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 3467fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 3468fa9e4066Sahrens * to verify that we never lose on-disk consistency. 3469fa9e4066Sahrens */ 3470fa9e4066Sahrens while (gethrtime() < zs->zs_stop_time) { 3471fa9e4066Sahrens int status; 3472fa9e4066Sahrens pid_t pid; 3473fa9e4066Sahrens char *tmp; 3474fa9e4066Sahrens 3475fa9e4066Sahrens /* 3476fa9e4066Sahrens * Initialize the workload counters for each function. 3477fa9e4066Sahrens */ 3478fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3479fa9e4066Sahrens zi = &zs->zs_info[f]; 3480fa9e4066Sahrens zi->zi_calls = 0; 3481fa9e4066Sahrens zi->zi_call_time = 0; 3482fa9e4066Sahrens } 3483fa9e4066Sahrens 3484fa9e4066Sahrens pid = fork(); 3485fa9e4066Sahrens 3486fa9e4066Sahrens if (pid == -1) 3487fa9e4066Sahrens fatal(1, "fork failed"); 3488fa9e4066Sahrens 3489fa9e4066Sahrens if (pid == 0) { /* child */ 3490fa9e4066Sahrens struct rlimit rl = { 1024, 1024 }; 3491fa9e4066Sahrens (void) setrlimit(RLIMIT_NOFILE, &rl); 3492004388ebScasper (void) enable_extended_FILE_stdio(-1, -1); 3493fa9e4066Sahrens ztest_run(zopt_pool); 3494fa9e4066Sahrens exit(0); 3495fa9e4066Sahrens } 3496fa9e4066Sahrens 34975ad82045Snd while (waitpid(pid, &status, 0) != pid) 3498fa9e4066Sahrens continue; 3499fa9e4066Sahrens 3500fa9e4066Sahrens if (WIFEXITED(status)) { 3501fa9e4066Sahrens if (WEXITSTATUS(status) != 0) { 3502fa9e4066Sahrens (void) fprintf(stderr, 3503fa9e4066Sahrens "child exited with code %d\n", 3504fa9e4066Sahrens WEXITSTATUS(status)); 3505fa9e4066Sahrens exit(2); 3506fa9e4066Sahrens } 35075ad82045Snd } else if (WIFSIGNALED(status)) { 3508fa9e4066Sahrens if (WTERMSIG(status) != SIGKILL) { 3509fa9e4066Sahrens (void) fprintf(stderr, 3510fa9e4066Sahrens "child died with signal %d\n", 3511fa9e4066Sahrens WTERMSIG(status)); 3512fa9e4066Sahrens exit(3); 3513fa9e4066Sahrens } 3514fa9e4066Sahrens kills++; 35155ad82045Snd } else { 35165ad82045Snd (void) fprintf(stderr, "something strange happened " 35175ad82045Snd "to child\n"); 35185ad82045Snd exit(4); 3519fa9e4066Sahrens } 3520fa9e4066Sahrens 3521fa9e4066Sahrens iters++; 3522fa9e4066Sahrens 3523fa9e4066Sahrens if (zopt_verbose >= 1) { 3524fa9e4066Sahrens hrtime_t now = gethrtime(); 3525fa9e4066Sahrens 3526fa9e4066Sahrens now = MIN(now, zs->zs_stop_time); 3527fa9e4066Sahrens print_time(zs->zs_stop_time - now, timebuf); 3528fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 3529fa9e4066Sahrens 3530fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 3531fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 3532fa9e4066Sahrens iters, 3533fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 3534fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 3535fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 3536fa9e4066Sahrens numbuf, 3537fa9e4066Sahrens 100.0 * (now - zs->zs_start_time) / 3538fa9e4066Sahrens (zopt_time * NANOSEC), timebuf); 3539fa9e4066Sahrens } 3540fa9e4066Sahrens 3541fa9e4066Sahrens if (zopt_verbose >= 2) { 3542fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 3543fa9e4066Sahrens (void) printf("%7s %9s %s\n", 3544fa9e4066Sahrens "Calls", "Time", "Function"); 3545fa9e4066Sahrens (void) printf("%7s %9s %s\n", 3546fa9e4066Sahrens "-----", "----", "--------"); 3547fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3548fa9e4066Sahrens Dl_info dli; 3549fa9e4066Sahrens 3550fa9e4066Sahrens zi = &zs->zs_info[f]; 3551fa9e4066Sahrens print_time(zi->zi_call_time, timebuf); 3552fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 3553fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 3554fa9e4066Sahrens (u_longlong_t)zi->zi_calls, timebuf, 3555fa9e4066Sahrens dli.dli_sname); 3556fa9e4066Sahrens } 3557fa9e4066Sahrens (void) printf("\n"); 3558fa9e4066Sahrens } 3559fa9e4066Sahrens 3560fa9e4066Sahrens /* 3561fa9e4066Sahrens * It's possible that we killed a child during a rename test, in 3562fa9e4066Sahrens * which case we'll have a 'ztest_tmp' pool lying around instead 3563fa9e4066Sahrens * of 'ztest'. Do a blind rename in case this happened. 3564fa9e4066Sahrens */ 3565fa9e4066Sahrens tmp = umem_alloc(strlen(zopt_pool) + 5, UMEM_NOFAIL); 3566fa9e4066Sahrens (void) strcpy(tmp, zopt_pool); 3567fa9e4066Sahrens (void) strcat(tmp, "_tmp"); 3568fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3569fa9e4066Sahrens (void) spa_rename(tmp, zopt_pool); 3570fa9e4066Sahrens kernel_fini(); 3571fa9e4066Sahrens umem_free(tmp, strlen(tmp) + 1); 3572fa9e4066Sahrens } 3573fa9e4066Sahrens 3574fa9e4066Sahrens ztest_verify_blocks(zopt_pool); 3575fa9e4066Sahrens 3576fa9e4066Sahrens if (zopt_verbose >= 1) { 3577fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 3578fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 3579fa9e4066Sahrens } 3580fa9e4066Sahrens 3581fa9e4066Sahrens return (0); 3582fa9e4066Sahrens } 3583