1*fa9e4066Sahrens /* 2*fa9e4066Sahrens * CDDL HEADER START 3*fa9e4066Sahrens * 4*fa9e4066Sahrens * The contents of this file are subject to the terms of the 5*fa9e4066Sahrens * Common Development and Distribution License, Version 1.0 only 6*fa9e4066Sahrens * (the "License"). You may not use this file except in compliance 7*fa9e4066Sahrens * with the License. 8*fa9e4066Sahrens * 9*fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 11*fa9e4066Sahrens * See the License for the specific language governing permissions 12*fa9e4066Sahrens * and limitations under the License. 13*fa9e4066Sahrens * 14*fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 15*fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 17*fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 18*fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 19*fa9e4066Sahrens * 20*fa9e4066Sahrens * CDDL HEADER END 21*fa9e4066Sahrens */ 22*fa9e4066Sahrens /* 23*fa9e4066Sahrens * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*fa9e4066Sahrens * Use is subject to license terms. 25*fa9e4066Sahrens */ 26*fa9e4066Sahrens 27*fa9e4066Sahrens #pragma ident "%Z%%M% %I% %E% SMI" 28*fa9e4066Sahrens 29*fa9e4066Sahrens /* 30*fa9e4066Sahrens * The objective of this program is to provide a DMU/ZAP/SPA stress test 31*fa9e4066Sahrens * that runs entirely in userland, is easy to use, and easy to extend. 32*fa9e4066Sahrens * 33*fa9e4066Sahrens * The overall design of the ztest program is as follows: 34*fa9e4066Sahrens * 35*fa9e4066Sahrens * (1) For each major functional area (e.g. adding vdevs to a pool, 36*fa9e4066Sahrens * creating and destroying datasets, reading and writing objects, etc) 37*fa9e4066Sahrens * we have a simple routine to test that functionality. These 38*fa9e4066Sahrens * individual routines do not have to do anything "stressful". 39*fa9e4066Sahrens * 40*fa9e4066Sahrens * (2) We turn these simple functionality tests into a stress test by 41*fa9e4066Sahrens * running them all in parallel, with as many threads as desired, 42*fa9e4066Sahrens * and spread across as many datasets, objects, and vdevs as desired. 43*fa9e4066Sahrens * 44*fa9e4066Sahrens * (3) While all this is happening, we inject faults into the pool to 45*fa9e4066Sahrens * verify that self-healing data really works. 46*fa9e4066Sahrens * 47*fa9e4066Sahrens * (4) Every time we open a dataset, we change its checksum and compression 48*fa9e4066Sahrens * functions. Thus even individual objects vary from block to block 49*fa9e4066Sahrens * in which checksum they use and whether they're compressed. 50*fa9e4066Sahrens * 51*fa9e4066Sahrens * (5) To verify that we never lose on-disk consistency after a crash, 52*fa9e4066Sahrens * we run the entire test in a child of the main process. 53*fa9e4066Sahrens * At random times, the child self-immolates with a SIGKILL. 54*fa9e4066Sahrens * This is the software equivalent of pulling the power cord. 55*fa9e4066Sahrens * The parent then runs the test again, using the existing 56*fa9e4066Sahrens * storage pool, as many times as desired. 57*fa9e4066Sahrens * 58*fa9e4066Sahrens * (6) To verify that we don't have future leaks or temporal incursions, 59*fa9e4066Sahrens * many of the functional tests record the transaction group number 60*fa9e4066Sahrens * as part of their data. When reading old data, they verify that 61*fa9e4066Sahrens * the transaction group number is less than the current, open txg. 62*fa9e4066Sahrens * If you add a new test, please do this if applicable. 63*fa9e4066Sahrens * 64*fa9e4066Sahrens * When run with no arguments, ztest runs for about five minutes and 65*fa9e4066Sahrens * produces no output if successful. To get a little bit of information, 66*fa9e4066Sahrens * specify -V. To get more information, specify -VV, and so on. 67*fa9e4066Sahrens * 68*fa9e4066Sahrens * To turn this into an overnight stress test, use -T to specify run time. 69*fa9e4066Sahrens * 70*fa9e4066Sahrens * You can ask more more vdevs [-v], datasets [-d], or threads [-t] 71*fa9e4066Sahrens * to increase the pool capacity, fanout, and overall stress level. 72*fa9e4066Sahrens * 73*fa9e4066Sahrens * The -N(okill) option will suppress kills, so each child runs to completion. 74*fa9e4066Sahrens * This can be useful when you're trying to distinguish temporal incursions 75*fa9e4066Sahrens * from plain old race conditions. 76*fa9e4066Sahrens */ 77*fa9e4066Sahrens 78*fa9e4066Sahrens #include <sys/zfs_context.h> 79*fa9e4066Sahrens #include <sys/spa.h> 80*fa9e4066Sahrens #include <sys/dmu.h> 81*fa9e4066Sahrens #include <sys/txg.h> 82*fa9e4066Sahrens #include <sys/zap.h> 83*fa9e4066Sahrens #include <sys/dmu_traverse.h> 84*fa9e4066Sahrens #include <sys/dmu_objset.h> 85*fa9e4066Sahrens #include <sys/poll.h> 86*fa9e4066Sahrens #include <sys/stat.h> 87*fa9e4066Sahrens #include <sys/time.h> 88*fa9e4066Sahrens #include <sys/wait.h> 89*fa9e4066Sahrens #include <sys/mman.h> 90*fa9e4066Sahrens #include <sys/resource.h> 91*fa9e4066Sahrens #include <sys/zio.h> 92*fa9e4066Sahrens #include <sys/zio_checksum.h> 93*fa9e4066Sahrens #include <sys/zio_compress.h> 94*fa9e4066Sahrens #include <sys/zil.h> 95*fa9e4066Sahrens #include <sys/vdev_impl.h> 96*fa9e4066Sahrens #include <sys/spa_impl.h> 97*fa9e4066Sahrens #include <sys/dsl_prop.h> 98*fa9e4066Sahrens #include <sys/refcount.h> 99*fa9e4066Sahrens #include <stdio.h> 100*fa9e4066Sahrens #include <stdlib.h> 101*fa9e4066Sahrens #include <unistd.h> 102*fa9e4066Sahrens #include <signal.h> 103*fa9e4066Sahrens #include <umem.h> 104*fa9e4066Sahrens #include <dlfcn.h> 105*fa9e4066Sahrens #include <ctype.h> 106*fa9e4066Sahrens #include <math.h> 107*fa9e4066Sahrens #include <sys/fs/zfs.h> 108*fa9e4066Sahrens 109*fa9e4066Sahrens static char cmdname[] = "ztest"; 110*fa9e4066Sahrens static char *zopt_pool = cmdname; 111*fa9e4066Sahrens 112*fa9e4066Sahrens static uint64_t zopt_vdevs = 5; 113*fa9e4066Sahrens static uint64_t zopt_vdevtime; 114*fa9e4066Sahrens static int zopt_mirrors = 2; 115*fa9e4066Sahrens static int zopt_raidz = 4; 116*fa9e4066Sahrens static size_t zopt_vdev_size = SPA_MINDEVSIZE; 117*fa9e4066Sahrens static int zopt_dirs = 7; 118*fa9e4066Sahrens static int zopt_threads = 23; 119*fa9e4066Sahrens static uint64_t zopt_passtime = 60; /* 60 seconds */ 120*fa9e4066Sahrens static uint64_t zopt_killrate = 70; /* 70% kill rate */ 121*fa9e4066Sahrens static int zopt_verbose = 0; 122*fa9e4066Sahrens static int zopt_init = 1; 123*fa9e4066Sahrens static char *zopt_dir = "/tmp"; 124*fa9e4066Sahrens static uint64_t zopt_time = 300; /* 5 minutes */ 125*fa9e4066Sahrens static int zopt_maxfaults; 126*fa9e4066Sahrens 127*fa9e4066Sahrens typedef struct ztest_args { 128*fa9e4066Sahrens char *za_pool; 129*fa9e4066Sahrens objset_t *za_os; 130*fa9e4066Sahrens zilog_t *za_zilog; 131*fa9e4066Sahrens thread_t za_thread; 132*fa9e4066Sahrens uint64_t za_instance; 133*fa9e4066Sahrens uint64_t za_random; 134*fa9e4066Sahrens uint64_t za_diroff; 135*fa9e4066Sahrens uint64_t za_diroff_shared; 136*fa9e4066Sahrens hrtime_t za_start; 137*fa9e4066Sahrens hrtime_t za_stop; 138*fa9e4066Sahrens hrtime_t za_kill; 139*fa9e4066Sahrens traverse_handle_t *za_th; 140*fa9e4066Sahrens } ztest_args_t; 141*fa9e4066Sahrens 142*fa9e4066Sahrens typedef void ztest_func_t(ztest_args_t *); 143*fa9e4066Sahrens 144*fa9e4066Sahrens /* 145*fa9e4066Sahrens * Note: these aren't static because we want dladdr() to work. 146*fa9e4066Sahrens */ 147*fa9e4066Sahrens ztest_func_t ztest_dmu_read_write; 148*fa9e4066Sahrens ztest_func_t ztest_dmu_write_parallel; 149*fa9e4066Sahrens ztest_func_t ztest_dmu_object_alloc_free; 150*fa9e4066Sahrens ztest_func_t ztest_zap; 151*fa9e4066Sahrens ztest_func_t ztest_zap_parallel; 152*fa9e4066Sahrens ztest_func_t ztest_traverse; 153*fa9e4066Sahrens ztest_func_t ztest_dsl_prop_get_set; 154*fa9e4066Sahrens ztest_func_t ztest_dmu_objset_create_destroy; 155*fa9e4066Sahrens ztest_func_t ztest_dmu_snapshot_create_destroy; 156*fa9e4066Sahrens ztest_func_t ztest_spa_create_destroy; 157*fa9e4066Sahrens ztest_func_t ztest_fault_inject; 158*fa9e4066Sahrens ztest_func_t ztest_vdev_attach_detach; 159*fa9e4066Sahrens ztest_func_t ztest_vdev_LUN_growth; 160*fa9e4066Sahrens ztest_func_t ztest_vdev_add_remove; 161*fa9e4066Sahrens ztest_func_t ztest_scrub; 162*fa9e4066Sahrens ztest_func_t ztest_spa_rename; 163*fa9e4066Sahrens 164*fa9e4066Sahrens typedef struct ztest_info { 165*fa9e4066Sahrens ztest_func_t *zi_func; /* test function */ 166*fa9e4066Sahrens uint64_t *zi_interval; /* execute every <interval> seconds */ 167*fa9e4066Sahrens uint64_t zi_calls; /* per-pass count */ 168*fa9e4066Sahrens uint64_t zi_call_time; /* per-pass time */ 169*fa9e4066Sahrens uint64_t zi_call_total; /* cumulative total */ 170*fa9e4066Sahrens uint64_t zi_call_target; /* target cumulative total */ 171*fa9e4066Sahrens } ztest_info_t; 172*fa9e4066Sahrens 173*fa9e4066Sahrens uint64_t zopt_always = 0; /* all the time */ 174*fa9e4066Sahrens uint64_t zopt_often = 1; /* every second */ 175*fa9e4066Sahrens uint64_t zopt_sometimes = 10; /* every 10 seconds */ 176*fa9e4066Sahrens uint64_t zopt_rarely = 60; /* every 60 seconds */ 177*fa9e4066Sahrens 178*fa9e4066Sahrens ztest_info_t ztest_info[] = { 179*fa9e4066Sahrens { ztest_dmu_read_write, &zopt_always }, 180*fa9e4066Sahrens { ztest_dmu_write_parallel, &zopt_always }, 181*fa9e4066Sahrens { ztest_dmu_object_alloc_free, &zopt_always }, 182*fa9e4066Sahrens { ztest_zap, &zopt_always }, 183*fa9e4066Sahrens { ztest_zap_parallel, &zopt_always }, 184*fa9e4066Sahrens { ztest_traverse, &zopt_often }, 185*fa9e4066Sahrens { ztest_dsl_prop_get_set, &zopt_sometimes }, 186*fa9e4066Sahrens { ztest_dmu_objset_create_destroy, &zopt_sometimes }, 187*fa9e4066Sahrens { ztest_dmu_snapshot_create_destroy, &zopt_sometimes }, 188*fa9e4066Sahrens { ztest_spa_create_destroy, &zopt_sometimes }, 189*fa9e4066Sahrens { ztest_fault_inject, &zopt_sometimes }, 190*fa9e4066Sahrens { ztest_spa_rename, &zopt_rarely }, 191*fa9e4066Sahrens { ztest_vdev_attach_detach, &zopt_rarely }, 192*fa9e4066Sahrens { ztest_vdev_LUN_growth, &zopt_rarely }, 193*fa9e4066Sahrens { ztest_vdev_add_remove, &zopt_vdevtime }, 194*fa9e4066Sahrens { ztest_scrub, &zopt_vdevtime }, 195*fa9e4066Sahrens }; 196*fa9e4066Sahrens 197*fa9e4066Sahrens #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) 198*fa9e4066Sahrens 199*fa9e4066Sahrens #define ZTEST_SYNC_LOCKS 16 200*fa9e4066Sahrens 201*fa9e4066Sahrens /* 202*fa9e4066Sahrens * Stuff we need to share writably between parent and child. 203*fa9e4066Sahrens */ 204*fa9e4066Sahrens typedef struct ztest_shared { 205*fa9e4066Sahrens mutex_t zs_vdev_lock; 206*fa9e4066Sahrens rwlock_t zs_name_lock; 207*fa9e4066Sahrens uint64_t zs_vdev_primaries; 208*fa9e4066Sahrens uint64_t zs_enospc_count; 209*fa9e4066Sahrens hrtime_t zs_start_time; 210*fa9e4066Sahrens hrtime_t zs_stop_time; 211*fa9e4066Sahrens uint64_t zs_alloc; 212*fa9e4066Sahrens uint64_t zs_space; 213*fa9e4066Sahrens ztest_info_t zs_info[ZTEST_FUNCS]; 214*fa9e4066Sahrens mutex_t zs_sync_lock[ZTEST_SYNC_LOCKS]; 215*fa9e4066Sahrens uint64_t zs_seq[ZTEST_SYNC_LOCKS]; 216*fa9e4066Sahrens } ztest_shared_t; 217*fa9e4066Sahrens 218*fa9e4066Sahrens typedef struct ztest_block_tag { 219*fa9e4066Sahrens uint64_t bt_objset; 220*fa9e4066Sahrens uint64_t bt_object; 221*fa9e4066Sahrens uint64_t bt_offset; 222*fa9e4066Sahrens uint64_t bt_txg; 223*fa9e4066Sahrens uint64_t bt_thread; 224*fa9e4066Sahrens uint64_t bt_seq; 225*fa9e4066Sahrens } ztest_block_tag_t; 226*fa9e4066Sahrens 227*fa9e4066Sahrens static char ztest_dev_template[] = "%s/%s.%llua"; 228*fa9e4066Sahrens static ztest_shared_t *ztest_shared; 229*fa9e4066Sahrens 230*fa9e4066Sahrens static int ztest_random_fd; 231*fa9e4066Sahrens static int ztest_dump_core = 1; 232*fa9e4066Sahrens 233*fa9e4066Sahrens extern uint64_t zio_gang_bang; 234*fa9e4066Sahrens 235*fa9e4066Sahrens #define ZTEST_DIROBJ 1 236*fa9e4066Sahrens #define ZTEST_MICROZAP_OBJ 2 237*fa9e4066Sahrens #define ZTEST_FATZAP_OBJ 3 238*fa9e4066Sahrens 239*fa9e4066Sahrens #define ZTEST_DIROBJ_BLOCKSIZE (1 << 10) 240*fa9e4066Sahrens #define ZTEST_DIRSIZE 256 241*fa9e4066Sahrens 242*fa9e4066Sahrens /* 243*fa9e4066Sahrens * These libumem hooks provide a reasonable set of defaults for the allocator's 244*fa9e4066Sahrens * debugging facilities. 245*fa9e4066Sahrens */ 246*fa9e4066Sahrens const char * 247*fa9e4066Sahrens _umem_debug_init() 248*fa9e4066Sahrens { 249*fa9e4066Sahrens return ("default,verbose"); /* $UMEM_DEBUG setting */ 250*fa9e4066Sahrens } 251*fa9e4066Sahrens 252*fa9e4066Sahrens const char * 253*fa9e4066Sahrens _umem_logging_init(void) 254*fa9e4066Sahrens { 255*fa9e4066Sahrens return ("fail,contents"); /* $UMEM_LOGGING setting */ 256*fa9e4066Sahrens } 257*fa9e4066Sahrens 258*fa9e4066Sahrens #define FATAL_MSG_SZ 1024 259*fa9e4066Sahrens 260*fa9e4066Sahrens char *fatal_msg; 261*fa9e4066Sahrens 262*fa9e4066Sahrens static void 263*fa9e4066Sahrens fatal(int do_perror, char *message, ...) 264*fa9e4066Sahrens { 265*fa9e4066Sahrens va_list args; 266*fa9e4066Sahrens int save_errno = errno; 267*fa9e4066Sahrens char buf[FATAL_MSG_SZ]; 268*fa9e4066Sahrens 269*fa9e4066Sahrens (void) fflush(stdout); 270*fa9e4066Sahrens 271*fa9e4066Sahrens va_start(args, message); 272*fa9e4066Sahrens (void) sprintf(buf, "ztest: "); 273*fa9e4066Sahrens /* LINTED */ 274*fa9e4066Sahrens (void) vsprintf(buf + strlen(buf), message, args); 275*fa9e4066Sahrens va_end(args); 276*fa9e4066Sahrens if (do_perror) { 277*fa9e4066Sahrens (void) snprintf(buf + strlen(buf), FATAL_MSG_SZ - strlen(buf), 278*fa9e4066Sahrens ": %s", strerror(save_errno)); 279*fa9e4066Sahrens } 280*fa9e4066Sahrens (void) fprintf(stderr, "%s\n", buf); 281*fa9e4066Sahrens fatal_msg = buf; /* to ease debugging */ 282*fa9e4066Sahrens if (ztest_dump_core) 283*fa9e4066Sahrens abort(); 284*fa9e4066Sahrens exit(3); 285*fa9e4066Sahrens } 286*fa9e4066Sahrens 287*fa9e4066Sahrens static int 288*fa9e4066Sahrens str2shift(const char *buf) 289*fa9e4066Sahrens { 290*fa9e4066Sahrens const char *ends = "BKMGTPEZ"; 291*fa9e4066Sahrens int i; 292*fa9e4066Sahrens 293*fa9e4066Sahrens if (buf[0] == '\0') 294*fa9e4066Sahrens return (0); 295*fa9e4066Sahrens for (i = 0; i < strlen(ends); i++) { 296*fa9e4066Sahrens if (toupper(buf[0]) == ends[i]) 297*fa9e4066Sahrens break; 298*fa9e4066Sahrens } 299*fa9e4066Sahrens if (i == strlen(ends)) 300*fa9e4066Sahrens fatal(0, "invalid bytes suffix: %s", buf); 301*fa9e4066Sahrens if (buf[1] == '\0' || (toupper(buf[1]) == 'B' && buf[2] == '\0')) { 302*fa9e4066Sahrens return (10*i); 303*fa9e4066Sahrens } 304*fa9e4066Sahrens fatal(0, "invalid bytes suffix: %s", buf); 305*fa9e4066Sahrens return (-1); 306*fa9e4066Sahrens } 307*fa9e4066Sahrens 308*fa9e4066Sahrens static uint64_t 309*fa9e4066Sahrens nicenumtoull(const char *buf) 310*fa9e4066Sahrens { 311*fa9e4066Sahrens char *end; 312*fa9e4066Sahrens uint64_t val; 313*fa9e4066Sahrens 314*fa9e4066Sahrens val = strtoull(buf, &end, 0); 315*fa9e4066Sahrens if (end == buf) { 316*fa9e4066Sahrens fatal(0, "bad numeric value: %s", buf); 317*fa9e4066Sahrens } else if (end[0] == '.') { 318*fa9e4066Sahrens double fval = strtod(buf, &end); 319*fa9e4066Sahrens fval *= pow(2, str2shift(end)); 320*fa9e4066Sahrens if (fval > UINT64_MAX) 321*fa9e4066Sahrens fatal(0, "value too large: %s", buf); 322*fa9e4066Sahrens val = (uint64_t)fval; 323*fa9e4066Sahrens } else { 324*fa9e4066Sahrens int shift = str2shift(end); 325*fa9e4066Sahrens if (shift >= 64 || (val << shift) >> shift != val) 326*fa9e4066Sahrens fatal(0, "value too large: %s", buf); 327*fa9e4066Sahrens val <<= shift; 328*fa9e4066Sahrens } 329*fa9e4066Sahrens return (val); 330*fa9e4066Sahrens } 331*fa9e4066Sahrens 332*fa9e4066Sahrens static void 333*fa9e4066Sahrens usage(void) 334*fa9e4066Sahrens { 335*fa9e4066Sahrens char nice_vdev_size[10]; 336*fa9e4066Sahrens char nice_gang_bang[10]; 337*fa9e4066Sahrens 338*fa9e4066Sahrens nicenum(zopt_vdev_size, nice_vdev_size); 339*fa9e4066Sahrens nicenum(zio_gang_bang, nice_gang_bang); 340*fa9e4066Sahrens 341*fa9e4066Sahrens (void) printf("Usage: %s\n" 342*fa9e4066Sahrens "\t[-v vdevs (default: %llu)]\n" 343*fa9e4066Sahrens "\t[-s size_of_each_vdev (default: %s)]\n" 344*fa9e4066Sahrens "\t[-m mirror_copies (default: %d)]\n" 345*fa9e4066Sahrens "\t[-r raidz_disks (default: %d)]\n" 346*fa9e4066Sahrens "\t[-d datasets (default: %d)]\n" 347*fa9e4066Sahrens "\t[-t threads (default: %d)]\n" 348*fa9e4066Sahrens "\t[-g gang_block_threshold (default: %s)]\n" 349*fa9e4066Sahrens "\t[-i initialize pool i times (default: %d)]\n" 350*fa9e4066Sahrens "\t[-k kill percentage (default: %llu%%)]\n" 351*fa9e4066Sahrens "\t[-p pool_name (default: %s)]\n" 352*fa9e4066Sahrens "\t[-f file directory for vdev files (default: %s)]\n" 353*fa9e4066Sahrens "\t[-V(erbose)] (use multiple times for ever more blather)\n" 354*fa9e4066Sahrens "\t[-E(xisting)] (use existing pool instead of creating new one\n" 355*fa9e4066Sahrens "\t[-I(mport)] (discover and import existing pools)\n" 356*fa9e4066Sahrens "\t[-T time] total run time (default: %llu sec)\n" 357*fa9e4066Sahrens "\t[-P passtime] time per pass (default: %llu sec)\n" 358*fa9e4066Sahrens "", 359*fa9e4066Sahrens cmdname, 360*fa9e4066Sahrens (u_longlong_t)zopt_vdevs, /* -v */ 361*fa9e4066Sahrens nice_vdev_size, /* -s */ 362*fa9e4066Sahrens zopt_mirrors, /* -m */ 363*fa9e4066Sahrens zopt_raidz, /* -r */ 364*fa9e4066Sahrens zopt_dirs, /* -d */ 365*fa9e4066Sahrens zopt_threads, /* -t */ 366*fa9e4066Sahrens nice_gang_bang, /* -g */ 367*fa9e4066Sahrens zopt_init, /* -i */ 368*fa9e4066Sahrens (u_longlong_t)zopt_killrate, /* -k */ 369*fa9e4066Sahrens zopt_pool, /* -p */ 370*fa9e4066Sahrens zopt_dir, /* -f */ 371*fa9e4066Sahrens (u_longlong_t)zopt_time, /* -T */ 372*fa9e4066Sahrens (u_longlong_t)zopt_passtime); /* -P */ 373*fa9e4066Sahrens exit(1); 374*fa9e4066Sahrens } 375*fa9e4066Sahrens 376*fa9e4066Sahrens static uint64_t 377*fa9e4066Sahrens ztest_random(uint64_t range) 378*fa9e4066Sahrens { 379*fa9e4066Sahrens uint64_t r; 380*fa9e4066Sahrens 381*fa9e4066Sahrens if (range == 0) 382*fa9e4066Sahrens return (0); 383*fa9e4066Sahrens 384*fa9e4066Sahrens if (read(ztest_random_fd, &r, sizeof (r)) != sizeof (r)) 385*fa9e4066Sahrens fatal(1, "short read from /dev/urandom"); 386*fa9e4066Sahrens 387*fa9e4066Sahrens return (r % range); 388*fa9e4066Sahrens } 389*fa9e4066Sahrens 390*fa9e4066Sahrens static void 391*fa9e4066Sahrens ztest_record_enospc(char *s) 392*fa9e4066Sahrens { 393*fa9e4066Sahrens dprintf("ENOSPC doing: %s\n", s ? s : "<unknown>"); 394*fa9e4066Sahrens ztest_shared->zs_enospc_count++; 395*fa9e4066Sahrens } 396*fa9e4066Sahrens 397*fa9e4066Sahrens static void 398*fa9e4066Sahrens process_options(int argc, char **argv) 399*fa9e4066Sahrens { 400*fa9e4066Sahrens int opt; 401*fa9e4066Sahrens uint64_t value; 402*fa9e4066Sahrens 403*fa9e4066Sahrens /* By default, test gang blocks for blocks 32K and greater */ 404*fa9e4066Sahrens zio_gang_bang = 32 << 10; 405*fa9e4066Sahrens 406*fa9e4066Sahrens while ((opt = getopt(argc, argv, 407*fa9e4066Sahrens "v:s:m:r:c:d:t:g:i:k:p:f:VEIT:P:S")) != EOF) { 408*fa9e4066Sahrens value = 0; 409*fa9e4066Sahrens switch (opt) { 410*fa9e4066Sahrens case 'v': 411*fa9e4066Sahrens case 's': 412*fa9e4066Sahrens case 'm': 413*fa9e4066Sahrens case 'r': 414*fa9e4066Sahrens case 'c': 415*fa9e4066Sahrens case 'd': 416*fa9e4066Sahrens case 't': 417*fa9e4066Sahrens case 'g': 418*fa9e4066Sahrens case 'i': 419*fa9e4066Sahrens case 'k': 420*fa9e4066Sahrens case 'T': 421*fa9e4066Sahrens case 'P': 422*fa9e4066Sahrens value = nicenumtoull(optarg); 423*fa9e4066Sahrens } 424*fa9e4066Sahrens switch (opt) { 425*fa9e4066Sahrens case 'v': 426*fa9e4066Sahrens zopt_vdevs = value; 427*fa9e4066Sahrens break; 428*fa9e4066Sahrens case 's': 429*fa9e4066Sahrens zopt_vdev_size = MAX(SPA_MINDEVSIZE, value); 430*fa9e4066Sahrens break; 431*fa9e4066Sahrens case 'm': 432*fa9e4066Sahrens zopt_mirrors = value; 433*fa9e4066Sahrens break; 434*fa9e4066Sahrens case 'r': 435*fa9e4066Sahrens zopt_raidz = MAX(1, value); 436*fa9e4066Sahrens break; 437*fa9e4066Sahrens case 'd': 438*fa9e4066Sahrens zopt_dirs = MAX(1, value); 439*fa9e4066Sahrens break; 440*fa9e4066Sahrens case 't': 441*fa9e4066Sahrens zopt_threads = MAX(1, value); 442*fa9e4066Sahrens break; 443*fa9e4066Sahrens case 'g': 444*fa9e4066Sahrens zio_gang_bang = MAX(SPA_MINBLOCKSIZE << 1, value); 445*fa9e4066Sahrens break; 446*fa9e4066Sahrens case 'i': 447*fa9e4066Sahrens zopt_init = value; 448*fa9e4066Sahrens break; 449*fa9e4066Sahrens case 'k': 450*fa9e4066Sahrens zopt_killrate = value; 451*fa9e4066Sahrens break; 452*fa9e4066Sahrens case 'p': 453*fa9e4066Sahrens zopt_pool = strdup(optarg); 454*fa9e4066Sahrens break; 455*fa9e4066Sahrens case 'f': 456*fa9e4066Sahrens zopt_dir = strdup(optarg); 457*fa9e4066Sahrens break; 458*fa9e4066Sahrens case 'V': 459*fa9e4066Sahrens zopt_verbose++; 460*fa9e4066Sahrens break; 461*fa9e4066Sahrens case 'E': 462*fa9e4066Sahrens zopt_init = 0; 463*fa9e4066Sahrens break; 464*fa9e4066Sahrens case 'T': 465*fa9e4066Sahrens zopt_time = value; 466*fa9e4066Sahrens break; 467*fa9e4066Sahrens case 'P': 468*fa9e4066Sahrens zopt_passtime = MAX(1, value); 469*fa9e4066Sahrens break; 470*fa9e4066Sahrens case '?': 471*fa9e4066Sahrens default: 472*fa9e4066Sahrens usage(); 473*fa9e4066Sahrens break; 474*fa9e4066Sahrens } 475*fa9e4066Sahrens } 476*fa9e4066Sahrens 477*fa9e4066Sahrens zopt_vdevtime = (zopt_vdevs > 0 ? zopt_time / zopt_vdevs : UINT64_MAX); 478*fa9e4066Sahrens zopt_maxfaults = MAX(zopt_mirrors, 1) * (zopt_raidz >= 2 ? 2 : 1) - 1; 479*fa9e4066Sahrens } 480*fa9e4066Sahrens 481*fa9e4066Sahrens static nvlist_t * 482*fa9e4066Sahrens make_vdev_file(size_t size) 483*fa9e4066Sahrens { 484*fa9e4066Sahrens char dev_name[MAXPATHLEN]; 485*fa9e4066Sahrens uint64_t vdev; 486*fa9e4066Sahrens int fd; 487*fa9e4066Sahrens nvlist_t *file; 488*fa9e4066Sahrens 489*fa9e4066Sahrens if (size == 0) { 490*fa9e4066Sahrens (void) snprintf(dev_name, sizeof (dev_name), "%s", 491*fa9e4066Sahrens "/dev/bogus"); 492*fa9e4066Sahrens } else { 493*fa9e4066Sahrens vdev = ztest_shared->zs_vdev_primaries++; 494*fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, 495*fa9e4066Sahrens zopt_dir, zopt_pool, vdev); 496*fa9e4066Sahrens 497*fa9e4066Sahrens fd = open(dev_name, O_RDWR | O_CREAT | O_TRUNC, 0666); 498*fa9e4066Sahrens if (fd == -1) 499*fa9e4066Sahrens fatal(1, "can't open %s", dev_name); 500*fa9e4066Sahrens if (ftruncate(fd, size) != 0) 501*fa9e4066Sahrens fatal(1, "can't ftruncate %s", dev_name); 502*fa9e4066Sahrens (void) close(fd); 503*fa9e4066Sahrens } 504*fa9e4066Sahrens 505*fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 506*fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 507*fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, dev_name) == 0); 508*fa9e4066Sahrens 509*fa9e4066Sahrens return (file); 510*fa9e4066Sahrens } 511*fa9e4066Sahrens 512*fa9e4066Sahrens static nvlist_t * 513*fa9e4066Sahrens make_vdev_raidz(size_t size, int r) 514*fa9e4066Sahrens { 515*fa9e4066Sahrens nvlist_t *raidz, **child; 516*fa9e4066Sahrens int c; 517*fa9e4066Sahrens 518*fa9e4066Sahrens if (r < 2) 519*fa9e4066Sahrens return (make_vdev_file(size)); 520*fa9e4066Sahrens 521*fa9e4066Sahrens child = umem_alloc(r * sizeof (nvlist_t *), UMEM_NOFAIL); 522*fa9e4066Sahrens 523*fa9e4066Sahrens for (c = 0; c < r; c++) 524*fa9e4066Sahrens child[c] = make_vdev_file(size); 525*fa9e4066Sahrens 526*fa9e4066Sahrens VERIFY(nvlist_alloc(&raidz, NV_UNIQUE_NAME, 0) == 0); 527*fa9e4066Sahrens VERIFY(nvlist_add_string(raidz, ZPOOL_CONFIG_TYPE, 528*fa9e4066Sahrens VDEV_TYPE_RAIDZ) == 0); 529*fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(raidz, ZPOOL_CONFIG_CHILDREN, 530*fa9e4066Sahrens child, r) == 0); 531*fa9e4066Sahrens 532*fa9e4066Sahrens for (c = 0; c < r; c++) 533*fa9e4066Sahrens nvlist_free(child[c]); 534*fa9e4066Sahrens 535*fa9e4066Sahrens umem_free(child, r * sizeof (nvlist_t *)); 536*fa9e4066Sahrens 537*fa9e4066Sahrens return (raidz); 538*fa9e4066Sahrens } 539*fa9e4066Sahrens 540*fa9e4066Sahrens static nvlist_t * 541*fa9e4066Sahrens make_vdev_mirror(size_t size, int r, int m) 542*fa9e4066Sahrens { 543*fa9e4066Sahrens nvlist_t *mirror, **child; 544*fa9e4066Sahrens int c; 545*fa9e4066Sahrens 546*fa9e4066Sahrens if (m < 1) 547*fa9e4066Sahrens return (make_vdev_raidz(size, r)); 548*fa9e4066Sahrens 549*fa9e4066Sahrens child = umem_alloc(m * sizeof (nvlist_t *), UMEM_NOFAIL); 550*fa9e4066Sahrens 551*fa9e4066Sahrens for (c = 0; c < m; c++) 552*fa9e4066Sahrens child[c] = make_vdev_raidz(size, r); 553*fa9e4066Sahrens 554*fa9e4066Sahrens VERIFY(nvlist_alloc(&mirror, NV_UNIQUE_NAME, 0) == 0); 555*fa9e4066Sahrens VERIFY(nvlist_add_string(mirror, ZPOOL_CONFIG_TYPE, 556*fa9e4066Sahrens VDEV_TYPE_MIRROR) == 0); 557*fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(mirror, ZPOOL_CONFIG_CHILDREN, 558*fa9e4066Sahrens child, m) == 0); 559*fa9e4066Sahrens 560*fa9e4066Sahrens for (c = 0; c < m; c++) 561*fa9e4066Sahrens nvlist_free(child[c]); 562*fa9e4066Sahrens 563*fa9e4066Sahrens umem_free(child, m * sizeof (nvlist_t *)); 564*fa9e4066Sahrens 565*fa9e4066Sahrens return (mirror); 566*fa9e4066Sahrens } 567*fa9e4066Sahrens 568*fa9e4066Sahrens static nvlist_t * 569*fa9e4066Sahrens make_vdev_root(size_t size, int r, int m, int t) 570*fa9e4066Sahrens { 571*fa9e4066Sahrens nvlist_t *root, **child; 572*fa9e4066Sahrens int c; 573*fa9e4066Sahrens 574*fa9e4066Sahrens ASSERT(t > 0); 575*fa9e4066Sahrens 576*fa9e4066Sahrens child = umem_alloc(t * sizeof (nvlist_t *), UMEM_NOFAIL); 577*fa9e4066Sahrens 578*fa9e4066Sahrens for (c = 0; c < t; c++) 579*fa9e4066Sahrens child[c] = make_vdev_mirror(size, r, m); 580*fa9e4066Sahrens 581*fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 582*fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 583*fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(root, ZPOOL_CONFIG_CHILDREN, 584*fa9e4066Sahrens child, t) == 0); 585*fa9e4066Sahrens 586*fa9e4066Sahrens for (c = 0; c < t; c++) 587*fa9e4066Sahrens nvlist_free(child[c]); 588*fa9e4066Sahrens 589*fa9e4066Sahrens umem_free(child, t * sizeof (nvlist_t *)); 590*fa9e4066Sahrens 591*fa9e4066Sahrens return (root); 592*fa9e4066Sahrens } 593*fa9e4066Sahrens 594*fa9e4066Sahrens static void 595*fa9e4066Sahrens ztest_set_random_blocksize(objset_t *os, uint64_t object, dmu_tx_t *tx) 596*fa9e4066Sahrens { 597*fa9e4066Sahrens int bs = SPA_MINBLOCKSHIFT + 598*fa9e4066Sahrens ztest_random(SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1); 599*fa9e4066Sahrens int ibs = DN_MIN_INDBLKSHIFT + 600*fa9e4066Sahrens ztest_random(DN_MAX_INDBLKSHIFT - DN_MIN_INDBLKSHIFT + 1); 601*fa9e4066Sahrens int error; 602*fa9e4066Sahrens 603*fa9e4066Sahrens error = dmu_object_set_blocksize(os, object, 1ULL << bs, ibs, tx); 604*fa9e4066Sahrens if (error) { 605*fa9e4066Sahrens char osname[300]; 606*fa9e4066Sahrens dmu_objset_name(os, osname); 607*fa9e4066Sahrens fatal(0, "dmu_object_set_blocksize('%s', %llu, %d, %d) = %d", 608*fa9e4066Sahrens osname, object, 1 << bs, ibs, error); 609*fa9e4066Sahrens } 610*fa9e4066Sahrens } 611*fa9e4066Sahrens 612*fa9e4066Sahrens static uint8_t 613*fa9e4066Sahrens ztest_random_checksum(void) 614*fa9e4066Sahrens { 615*fa9e4066Sahrens uint8_t checksum; 616*fa9e4066Sahrens 617*fa9e4066Sahrens do { 618*fa9e4066Sahrens checksum = ztest_random(ZIO_CHECKSUM_FUNCTIONS); 619*fa9e4066Sahrens } while (zio_checksum_table[checksum].ci_zbt); 620*fa9e4066Sahrens 621*fa9e4066Sahrens if (checksum == ZIO_CHECKSUM_OFF) 622*fa9e4066Sahrens checksum = ZIO_CHECKSUM_ON; 623*fa9e4066Sahrens 624*fa9e4066Sahrens return (checksum); 625*fa9e4066Sahrens } 626*fa9e4066Sahrens 627*fa9e4066Sahrens static uint8_t 628*fa9e4066Sahrens ztest_random_compress(void) 629*fa9e4066Sahrens { 630*fa9e4066Sahrens return ((uint8_t)ztest_random(ZIO_COMPRESS_FUNCTIONS)); 631*fa9e4066Sahrens } 632*fa9e4066Sahrens 633*fa9e4066Sahrens typedef struct ztest_replay { 634*fa9e4066Sahrens objset_t *zr_os; 635*fa9e4066Sahrens uint64_t zr_assign; 636*fa9e4066Sahrens } ztest_replay_t; 637*fa9e4066Sahrens 638*fa9e4066Sahrens static int 639*fa9e4066Sahrens ztest_replay_create(ztest_replay_t *zr, lr_create_t *lr, boolean_t byteswap) 640*fa9e4066Sahrens { 641*fa9e4066Sahrens objset_t *os = zr->zr_os; 642*fa9e4066Sahrens dmu_tx_t *tx; 643*fa9e4066Sahrens int error; 644*fa9e4066Sahrens 645*fa9e4066Sahrens if (byteswap) 646*fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 647*fa9e4066Sahrens 648*fa9e4066Sahrens tx = dmu_tx_create(os); 649*fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 650*fa9e4066Sahrens error = dmu_tx_assign(tx, zr->zr_assign); 651*fa9e4066Sahrens if (error) { 652*fa9e4066Sahrens dmu_tx_abort(tx); 653*fa9e4066Sahrens return (error); 654*fa9e4066Sahrens } 655*fa9e4066Sahrens 656*fa9e4066Sahrens error = dmu_object_claim(os, lr->lr_doid, lr->lr_mode, 0, 657*fa9e4066Sahrens DMU_OT_NONE, 0, tx); 658*fa9e4066Sahrens ASSERT(error == 0); 659*fa9e4066Sahrens dmu_tx_commit(tx); 660*fa9e4066Sahrens 661*fa9e4066Sahrens if (zopt_verbose >= 5) { 662*fa9e4066Sahrens char osname[MAXNAMELEN]; 663*fa9e4066Sahrens dmu_objset_name(os, osname); 664*fa9e4066Sahrens (void) printf("replay create of %s object %llu" 665*fa9e4066Sahrens " in txg %llu = %d\n", 666*fa9e4066Sahrens osname, (u_longlong_t)lr->lr_doid, 667*fa9e4066Sahrens (u_longlong_t)zr->zr_assign, error); 668*fa9e4066Sahrens } 669*fa9e4066Sahrens 670*fa9e4066Sahrens return (error); 671*fa9e4066Sahrens } 672*fa9e4066Sahrens 673*fa9e4066Sahrens static int 674*fa9e4066Sahrens ztest_replay_remove(ztest_replay_t *zr, lr_remove_t *lr, boolean_t byteswap) 675*fa9e4066Sahrens { 676*fa9e4066Sahrens objset_t *os = zr->zr_os; 677*fa9e4066Sahrens dmu_tx_t *tx; 678*fa9e4066Sahrens int error; 679*fa9e4066Sahrens 680*fa9e4066Sahrens if (byteswap) 681*fa9e4066Sahrens byteswap_uint64_array(lr, sizeof (*lr)); 682*fa9e4066Sahrens 683*fa9e4066Sahrens tx = dmu_tx_create(os); 684*fa9e4066Sahrens dmu_tx_hold_free(tx, lr->lr_doid, 0, DMU_OBJECT_END); 685*fa9e4066Sahrens error = dmu_tx_assign(tx, zr->zr_assign); 686*fa9e4066Sahrens if (error) { 687*fa9e4066Sahrens dmu_tx_abort(tx); 688*fa9e4066Sahrens return (error); 689*fa9e4066Sahrens } 690*fa9e4066Sahrens 691*fa9e4066Sahrens error = dmu_object_free(os, lr->lr_doid, tx); 692*fa9e4066Sahrens dmu_tx_commit(tx); 693*fa9e4066Sahrens 694*fa9e4066Sahrens return (error); 695*fa9e4066Sahrens } 696*fa9e4066Sahrens 697*fa9e4066Sahrens zil_replay_func_t *ztest_replay_vector[TX_MAX_TYPE] = { 698*fa9e4066Sahrens NULL, /* 0 no such transaction type */ 699*fa9e4066Sahrens ztest_replay_create, /* TX_CREATE */ 700*fa9e4066Sahrens NULL, /* TX_MKDIR */ 701*fa9e4066Sahrens NULL, /* TX_MKXATTR */ 702*fa9e4066Sahrens NULL, /* TX_SYMLINK */ 703*fa9e4066Sahrens ztest_replay_remove, /* TX_REMOVE */ 704*fa9e4066Sahrens NULL, /* TX_RMDIR */ 705*fa9e4066Sahrens NULL, /* TX_LINK */ 706*fa9e4066Sahrens NULL, /* TX_RENAME */ 707*fa9e4066Sahrens NULL, /* TX_WRITE */ 708*fa9e4066Sahrens NULL, /* TX_TRUNCATE */ 709*fa9e4066Sahrens NULL, /* TX_SETATTR */ 710*fa9e4066Sahrens NULL, /* TX_ACL */ 711*fa9e4066Sahrens }; 712*fa9e4066Sahrens 713*fa9e4066Sahrens /* 714*fa9e4066Sahrens * Verify that we can't destroy an active pool, create an existing pool, 715*fa9e4066Sahrens * or create a pool with a bad vdev spec. 716*fa9e4066Sahrens */ 717*fa9e4066Sahrens void 718*fa9e4066Sahrens ztest_spa_create_destroy(ztest_args_t *za) 719*fa9e4066Sahrens { 720*fa9e4066Sahrens int error; 721*fa9e4066Sahrens spa_t *spa; 722*fa9e4066Sahrens nvlist_t *nvroot; 723*fa9e4066Sahrens 724*fa9e4066Sahrens /* 725*fa9e4066Sahrens * Attempt to create using a bad file. 726*fa9e4066Sahrens */ 727*fa9e4066Sahrens nvroot = make_vdev_root(0, 0, 0, 1); 728*fa9e4066Sahrens error = spa_create("ztest_bad_file", nvroot, NULL); 729*fa9e4066Sahrens nvlist_free(nvroot); 730*fa9e4066Sahrens if (error != ENOENT) 731*fa9e4066Sahrens fatal(0, "spa_create(bad_file) = %d", error); 732*fa9e4066Sahrens 733*fa9e4066Sahrens /* 734*fa9e4066Sahrens * Attempt to create using a bad mirror. 735*fa9e4066Sahrens */ 736*fa9e4066Sahrens nvroot = make_vdev_root(0, 0, 2, 1); 737*fa9e4066Sahrens error = spa_create("ztest_bad_mirror", nvroot, NULL); 738*fa9e4066Sahrens nvlist_free(nvroot); 739*fa9e4066Sahrens if (error != ENOENT) 740*fa9e4066Sahrens fatal(0, "spa_create(bad_mirror) = %d", error); 741*fa9e4066Sahrens 742*fa9e4066Sahrens /* 743*fa9e4066Sahrens * Attempt to create an existing pool. It shouldn't matter 744*fa9e4066Sahrens * what's in the nvroot; we should fail with EEXIST. 745*fa9e4066Sahrens */ 746*fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 747*fa9e4066Sahrens nvroot = make_vdev_root(0, 0, 0, 1); 748*fa9e4066Sahrens error = spa_create(za->za_pool, nvroot, NULL); 749*fa9e4066Sahrens nvlist_free(nvroot); 750*fa9e4066Sahrens if (error != EEXIST) 751*fa9e4066Sahrens fatal(0, "spa_create(whatever) = %d", error); 752*fa9e4066Sahrens 753*fa9e4066Sahrens error = spa_open(za->za_pool, &spa, FTAG); 754*fa9e4066Sahrens if (error) 755*fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 756*fa9e4066Sahrens 757*fa9e4066Sahrens error = spa_destroy(za->za_pool); 758*fa9e4066Sahrens if (error != EBUSY) 759*fa9e4066Sahrens fatal(0, "spa_destroy() = %d", error); 760*fa9e4066Sahrens 761*fa9e4066Sahrens spa_close(spa, FTAG); 762*fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 763*fa9e4066Sahrens } 764*fa9e4066Sahrens 765*fa9e4066Sahrens /* 766*fa9e4066Sahrens * Verify that vdev_add() works as expected. 767*fa9e4066Sahrens */ 768*fa9e4066Sahrens void 769*fa9e4066Sahrens ztest_vdev_add_remove(ztest_args_t *za) 770*fa9e4066Sahrens { 771*fa9e4066Sahrens spa_t *spa = dmu_objset_spa(za->za_os); 772*fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 773*fa9e4066Sahrens nvlist_t *nvroot; 774*fa9e4066Sahrens int error; 775*fa9e4066Sahrens 776*fa9e4066Sahrens if (zopt_verbose >= 6) 777*fa9e4066Sahrens (void) printf("adding vdev\n"); 778*fa9e4066Sahrens 779*fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 780*fa9e4066Sahrens 781*fa9e4066Sahrens spa_config_enter(spa, RW_READER); 782*fa9e4066Sahrens 783*fa9e4066Sahrens ztest_shared->zs_vdev_primaries = 784*fa9e4066Sahrens spa->spa_root_vdev->vdev_children * leaves; 785*fa9e4066Sahrens 786*fa9e4066Sahrens spa_config_exit(spa); 787*fa9e4066Sahrens 788*fa9e4066Sahrens nvroot = make_vdev_root(zopt_vdev_size, zopt_raidz, zopt_mirrors, 1); 789*fa9e4066Sahrens error = spa_vdev_add(spa, nvroot); 790*fa9e4066Sahrens nvlist_free(nvroot); 791*fa9e4066Sahrens 792*fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 793*fa9e4066Sahrens 794*fa9e4066Sahrens if (error == ENOSPC) 795*fa9e4066Sahrens ztest_record_enospc("spa_vdev_add"); 796*fa9e4066Sahrens else if (error != 0) 797*fa9e4066Sahrens fatal(0, "spa_vdev_add() = %d", error); 798*fa9e4066Sahrens 799*fa9e4066Sahrens if (zopt_verbose >= 6) 800*fa9e4066Sahrens (void) printf("spa_vdev_add = %d, as expected\n", error); 801*fa9e4066Sahrens } 802*fa9e4066Sahrens 803*fa9e4066Sahrens /* 804*fa9e4066Sahrens * Verify that we can attach and detach devices. 805*fa9e4066Sahrens */ 806*fa9e4066Sahrens void 807*fa9e4066Sahrens ztest_vdev_attach_detach(ztest_args_t *za) 808*fa9e4066Sahrens { 809*fa9e4066Sahrens spa_t *spa = dmu_objset_spa(za->za_os); 810*fa9e4066Sahrens vdev_t *rvd = spa->spa_root_vdev; 811*fa9e4066Sahrens vdev_t *vd0, *vd1, *pvd; 812*fa9e4066Sahrens nvlist_t *root, *file; 813*fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 814*fa9e4066Sahrens uint64_t leaf, top; 815*fa9e4066Sahrens size_t size0, size1; 816*fa9e4066Sahrens char path0[MAXPATHLEN], path1[MAXPATHLEN]; 817*fa9e4066Sahrens int replacing; 818*fa9e4066Sahrens int error, expected_error; 819*fa9e4066Sahrens int fd; 820*fa9e4066Sahrens 821*fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 822*fa9e4066Sahrens 823*fa9e4066Sahrens spa_config_enter(spa, RW_READER); 824*fa9e4066Sahrens 825*fa9e4066Sahrens /* 826*fa9e4066Sahrens * Decide whether to do an attach or a replace. 827*fa9e4066Sahrens */ 828*fa9e4066Sahrens replacing = ztest_random(2); 829*fa9e4066Sahrens 830*fa9e4066Sahrens /* 831*fa9e4066Sahrens * Pick a random top-level vdev. 832*fa9e4066Sahrens */ 833*fa9e4066Sahrens top = ztest_random(rvd->vdev_children); 834*fa9e4066Sahrens 835*fa9e4066Sahrens /* 836*fa9e4066Sahrens * Pick a random leaf within it. 837*fa9e4066Sahrens */ 838*fa9e4066Sahrens leaf = ztest_random(leaves); 839*fa9e4066Sahrens 840*fa9e4066Sahrens /* 841*fa9e4066Sahrens * Generate the path to this leaf. The filename will end with 'a'. 842*fa9e4066Sahrens * We'll alternate replacements with a filename that ends with 'b'. 843*fa9e4066Sahrens */ 844*fa9e4066Sahrens (void) snprintf(path0, sizeof (path0), 845*fa9e4066Sahrens ztest_dev_template, zopt_dir, zopt_pool, top * leaves + leaf); 846*fa9e4066Sahrens 847*fa9e4066Sahrens bcopy(path0, path1, MAXPATHLEN); 848*fa9e4066Sahrens 849*fa9e4066Sahrens /* 850*fa9e4066Sahrens * If the 'a' file isn't part of the pool, the 'b' file must be. 851*fa9e4066Sahrens */ 852*fa9e4066Sahrens if (vdev_lookup_by_path(rvd, path0) == NULL) 853*fa9e4066Sahrens path0[strlen(path0) - 1] = 'b'; 854*fa9e4066Sahrens else 855*fa9e4066Sahrens path1[strlen(path1) - 1] = 'b'; 856*fa9e4066Sahrens 857*fa9e4066Sahrens /* 858*fa9e4066Sahrens * Now path0 represents something that's already in the pool, 859*fa9e4066Sahrens * and path1 is the thing we'll try to attach. 860*fa9e4066Sahrens */ 861*fa9e4066Sahrens vd0 = vdev_lookup_by_path(rvd, path0); 862*fa9e4066Sahrens vd1 = vdev_lookup_by_path(rvd, path1); 863*fa9e4066Sahrens ASSERT(vd0 != NULL); 864*fa9e4066Sahrens pvd = vd0->vdev_parent; 865*fa9e4066Sahrens 866*fa9e4066Sahrens 867*fa9e4066Sahrens /* 868*fa9e4066Sahrens * Make size1 a little bigger or smaller than size0. 869*fa9e4066Sahrens * If it's smaller, the attach should fail. 870*fa9e4066Sahrens * If it's larger, and we're doing a replace, 871*fa9e4066Sahrens * we should get dynamic LUN growth when we're done. 872*fa9e4066Sahrens */ 873*fa9e4066Sahrens size0 = vd0->vdev_psize; 874*fa9e4066Sahrens size1 = 10 * size0 / (9 + ztest_random(3)); 875*fa9e4066Sahrens 876*fa9e4066Sahrens /* 877*fa9e4066Sahrens * If pvd is not a mirror or root, the attach should fail with ENOTSUP, 878*fa9e4066Sahrens * unless it's a replace; in that case any non-replacing parent is OK. 879*fa9e4066Sahrens * 880*fa9e4066Sahrens * If vd1 is already part of the pool, it should fail with EBUSY. 881*fa9e4066Sahrens * 882*fa9e4066Sahrens * If vd1 is too small, it should fail with EOVERFLOW. 883*fa9e4066Sahrens */ 884*fa9e4066Sahrens if (pvd->vdev_ops != &vdev_mirror_ops && 885*fa9e4066Sahrens pvd->vdev_ops != &vdev_root_ops && 886*fa9e4066Sahrens (!replacing || pvd->vdev_ops == &vdev_replacing_ops)) 887*fa9e4066Sahrens expected_error = ENOTSUP; 888*fa9e4066Sahrens else if (vd1 != NULL) 889*fa9e4066Sahrens expected_error = EBUSY; 890*fa9e4066Sahrens else if (size1 < size0) 891*fa9e4066Sahrens expected_error = EOVERFLOW; 892*fa9e4066Sahrens else 893*fa9e4066Sahrens expected_error = 0; 894*fa9e4066Sahrens 895*fa9e4066Sahrens /* 896*fa9e4066Sahrens * If vd1 isn't already part of the pool, create it. 897*fa9e4066Sahrens */ 898*fa9e4066Sahrens if (vd1 == NULL) { 899*fa9e4066Sahrens fd = open(path1, O_RDWR | O_CREAT | O_TRUNC, 0666); 900*fa9e4066Sahrens if (fd == -1) 901*fa9e4066Sahrens fatal(1, "can't open %s", path1); 902*fa9e4066Sahrens if (ftruncate(fd, size1) != 0) 903*fa9e4066Sahrens fatal(1, "can't ftruncate %s", path1); 904*fa9e4066Sahrens (void) close(fd); 905*fa9e4066Sahrens } 906*fa9e4066Sahrens 907*fa9e4066Sahrens spa_config_exit(spa); 908*fa9e4066Sahrens 909*fa9e4066Sahrens /* 910*fa9e4066Sahrens * Build the nvlist describing path1. 911*fa9e4066Sahrens */ 912*fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 913*fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 914*fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, path1) == 0); 915*fa9e4066Sahrens 916*fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 917*fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 918*fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(root, ZPOOL_CONFIG_CHILDREN, 919*fa9e4066Sahrens &file, 1) == 0); 920*fa9e4066Sahrens 921*fa9e4066Sahrens error = spa_vdev_attach(spa, path0, root, replacing); 922*fa9e4066Sahrens 923*fa9e4066Sahrens nvlist_free(file); 924*fa9e4066Sahrens nvlist_free(root); 925*fa9e4066Sahrens 926*fa9e4066Sahrens /* 927*fa9e4066Sahrens * If our parent was the replacing vdev, but the replace completed, 928*fa9e4066Sahrens * then instead of failing with ENOTSUP we may either succeed, 929*fa9e4066Sahrens * fail with ENODEV, or fail with EOVERFLOW. 930*fa9e4066Sahrens */ 931*fa9e4066Sahrens if (expected_error == ENOTSUP && 932*fa9e4066Sahrens (error == 0 || error == ENODEV || error == EOVERFLOW)) 933*fa9e4066Sahrens expected_error = error; 934*fa9e4066Sahrens 935*fa9e4066Sahrens if (error != expected_error) { 936*fa9e4066Sahrens fatal(0, "attach (%s, %s, %d) returned %d, expected %d", 937*fa9e4066Sahrens path0, path1, replacing, error, expected_error); 938*fa9e4066Sahrens } 939*fa9e4066Sahrens 940*fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 941*fa9e4066Sahrens } 942*fa9e4066Sahrens 943*fa9e4066Sahrens /* 944*fa9e4066Sahrens * Verify that dynamic LUN growth works as expected. 945*fa9e4066Sahrens */ 946*fa9e4066Sahrens /* ARGSUSED */ 947*fa9e4066Sahrens void 948*fa9e4066Sahrens ztest_vdev_LUN_growth(ztest_args_t *za) 949*fa9e4066Sahrens { 950*fa9e4066Sahrens spa_t *spa = dmu_objset_spa(za->za_os); 951*fa9e4066Sahrens char dev_name[MAXPATHLEN]; 952*fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 953*fa9e4066Sahrens uint64_t vdev; 954*fa9e4066Sahrens size_t fsize; 955*fa9e4066Sahrens int fd; 956*fa9e4066Sahrens 957*fa9e4066Sahrens (void) mutex_lock(&ztest_shared->zs_vdev_lock); 958*fa9e4066Sahrens 959*fa9e4066Sahrens /* 960*fa9e4066Sahrens * Pick a random leaf vdev. 961*fa9e4066Sahrens */ 962*fa9e4066Sahrens spa_config_enter(spa, RW_READER); 963*fa9e4066Sahrens vdev = ztest_random(spa->spa_root_vdev->vdev_children * leaves); 964*fa9e4066Sahrens spa_config_exit(spa); 965*fa9e4066Sahrens 966*fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 967*fa9e4066Sahrens 968*fa9e4066Sahrens if ((fd = open(dev_name, O_RDWR)) != -1) { 969*fa9e4066Sahrens /* 970*fa9e4066Sahrens * Determine the size. 971*fa9e4066Sahrens */ 972*fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 973*fa9e4066Sahrens 974*fa9e4066Sahrens /* 975*fa9e4066Sahrens * If it's less than 2x the original size, grow by around 3%. 976*fa9e4066Sahrens */ 977*fa9e4066Sahrens if (fsize < 2 * zopt_vdev_size) { 978*fa9e4066Sahrens size_t newsize = fsize + ztest_random(fsize / 32); 979*fa9e4066Sahrens (void) ftruncate(fd, newsize); 980*fa9e4066Sahrens if (zopt_verbose >= 6) { 981*fa9e4066Sahrens (void) printf("%s grew from %lu to %lu bytes\n", 982*fa9e4066Sahrens dev_name, (ulong_t)fsize, (ulong_t)newsize); 983*fa9e4066Sahrens } 984*fa9e4066Sahrens } 985*fa9e4066Sahrens (void) close(fd); 986*fa9e4066Sahrens } 987*fa9e4066Sahrens 988*fa9e4066Sahrens (void) mutex_unlock(&ztest_shared->zs_vdev_lock); 989*fa9e4066Sahrens } 990*fa9e4066Sahrens 991*fa9e4066Sahrens /* ARGSUSED */ 992*fa9e4066Sahrens static void 993*fa9e4066Sahrens ztest_create_cb(objset_t *os, void *arg, dmu_tx_t *tx) 994*fa9e4066Sahrens { 995*fa9e4066Sahrens /* 996*fa9e4066Sahrens * Create the directory object. 997*fa9e4066Sahrens */ 998*fa9e4066Sahrens VERIFY(dmu_object_claim(os, ZTEST_DIROBJ, 999*fa9e4066Sahrens DMU_OT_UINT64_OTHER, ZTEST_DIROBJ_BLOCKSIZE, 1000*fa9e4066Sahrens DMU_OT_UINT64_OTHER, sizeof (ztest_block_tag_t), tx) == 0); 1001*fa9e4066Sahrens 1002*fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_MICROZAP_OBJ, 1003*fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1004*fa9e4066Sahrens 1005*fa9e4066Sahrens VERIFY(zap_create_claim(os, ZTEST_FATZAP_OBJ, 1006*fa9e4066Sahrens DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx) == 0); 1007*fa9e4066Sahrens } 1008*fa9e4066Sahrens 1009*fa9e4066Sahrens /* ARGSUSED */ 1010*fa9e4066Sahrens static void 1011*fa9e4066Sahrens ztest_destroy_cb(char *name, void *arg) 1012*fa9e4066Sahrens { 1013*fa9e4066Sahrens objset_t *os; 1014*fa9e4066Sahrens dmu_object_info_t doi; 1015*fa9e4066Sahrens int error; 1016*fa9e4066Sahrens 1017*fa9e4066Sahrens /* 1018*fa9e4066Sahrens * Verify that the dataset contains a directory object. 1019*fa9e4066Sahrens */ 1020*fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, 1021*fa9e4066Sahrens DS_MODE_STANDARD | DS_MODE_READONLY, &os); 1022*fa9e4066Sahrens ASSERT3U(error, ==, 0); 1023*fa9e4066Sahrens error = dmu_object_info(os, ZTEST_DIROBJ, &doi); 1024*fa9e4066Sahrens ASSERT3U(error, ==, 0); 1025*fa9e4066Sahrens ASSERT3U(doi.doi_type, ==, DMU_OT_UINT64_OTHER); 1026*fa9e4066Sahrens ASSERT3S(doi.doi_physical_blks, >=, 0); 1027*fa9e4066Sahrens dmu_objset_close(os); 1028*fa9e4066Sahrens 1029*fa9e4066Sahrens /* 1030*fa9e4066Sahrens * Destroy the dataset. 1031*fa9e4066Sahrens */ 1032*fa9e4066Sahrens error = dmu_objset_destroy(name); 1033*fa9e4066Sahrens ASSERT3U(error, ==, 0); 1034*fa9e4066Sahrens } 1035*fa9e4066Sahrens 1036*fa9e4066Sahrens /* 1037*fa9e4066Sahrens * Verify that dmu_objset_{create,destroy,open,close} work as expected. 1038*fa9e4066Sahrens */ 1039*fa9e4066Sahrens static uint64_t 1040*fa9e4066Sahrens ztest_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t object, int mode) 1041*fa9e4066Sahrens { 1042*fa9e4066Sahrens itx_t *itx; 1043*fa9e4066Sahrens lr_create_t *lr; 1044*fa9e4066Sahrens size_t namesize; 1045*fa9e4066Sahrens char name[24]; 1046*fa9e4066Sahrens 1047*fa9e4066Sahrens (void) sprintf(name, "ZOBJ_%llu", (u_longlong_t)object); 1048*fa9e4066Sahrens namesize = strlen(name) + 1; 1049*fa9e4066Sahrens 1050*fa9e4066Sahrens itx = zil_itx_create(TX_CREATE, sizeof (*lr) + namesize + 1051*fa9e4066Sahrens ztest_random(ZIL_MAX_BLKSZ)); 1052*fa9e4066Sahrens lr = (lr_create_t *)&itx->itx_lr; 1053*fa9e4066Sahrens bzero(lr + 1, lr->lr_common.lrc_reclen - sizeof (*lr)); 1054*fa9e4066Sahrens lr->lr_doid = object; 1055*fa9e4066Sahrens lr->lr_foid = 0; 1056*fa9e4066Sahrens lr->lr_mode = mode; 1057*fa9e4066Sahrens lr->lr_uid = 0; 1058*fa9e4066Sahrens lr->lr_gid = 0; 1059*fa9e4066Sahrens lr->lr_gen = dmu_tx_get_txg(tx); 1060*fa9e4066Sahrens lr->lr_crtime[0] = time(NULL); 1061*fa9e4066Sahrens lr->lr_crtime[1] = 0; 1062*fa9e4066Sahrens lr->lr_rdev = 0; 1063*fa9e4066Sahrens bcopy(name, (char *)(lr + 1), namesize); 1064*fa9e4066Sahrens 1065*fa9e4066Sahrens return (zil_itx_assign(zilog, itx, tx)); 1066*fa9e4066Sahrens } 1067*fa9e4066Sahrens 1068*fa9e4066Sahrens #ifndef lint 1069*fa9e4066Sahrens static uint64_t 1070*fa9e4066Sahrens ztest_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t object) 1071*fa9e4066Sahrens { 1072*fa9e4066Sahrens itx_t *itx; 1073*fa9e4066Sahrens lr_remove_t *lr; 1074*fa9e4066Sahrens size_t namesize; 1075*fa9e4066Sahrens char name[24]; 1076*fa9e4066Sahrens 1077*fa9e4066Sahrens (void) sprintf(name, "ZOBJ_%llu", (u_longlong_t)object); 1078*fa9e4066Sahrens namesize = strlen(name) + 1; 1079*fa9e4066Sahrens 1080*fa9e4066Sahrens itx = zil_itx_create(TX_REMOVE, sizeof (*lr) + namesize + 1081*fa9e4066Sahrens ztest_random(8000)); 1082*fa9e4066Sahrens lr = (lr_remove_t *)&itx->itx_lr; 1083*fa9e4066Sahrens lr->lr_doid = object; 1084*fa9e4066Sahrens bcopy(name, (char *)(lr + 1), namesize); 1085*fa9e4066Sahrens 1086*fa9e4066Sahrens return (zil_itx_assign(zilog, itx, tx)); 1087*fa9e4066Sahrens } 1088*fa9e4066Sahrens #endif /* lint */ 1089*fa9e4066Sahrens 1090*fa9e4066Sahrens void 1091*fa9e4066Sahrens ztest_dmu_objset_create_destroy(ztest_args_t *za) 1092*fa9e4066Sahrens { 1093*fa9e4066Sahrens int error; 1094*fa9e4066Sahrens objset_t *os; 1095*fa9e4066Sahrens char name[100]; 1096*fa9e4066Sahrens int mode, basemode, expected_error; 1097*fa9e4066Sahrens zilog_t *zilog; 1098*fa9e4066Sahrens uint64_t seq; 1099*fa9e4066Sahrens uint64_t objects; 1100*fa9e4066Sahrens ztest_replay_t zr; 1101*fa9e4066Sahrens 1102*fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1103*fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_temp_%llu", za->za_pool, za->za_pool, 1104*fa9e4066Sahrens (u_longlong_t)za->za_instance); 1105*fa9e4066Sahrens 1106*fa9e4066Sahrens basemode = DS_MODE_LEVEL(za->za_instance); 1107*fa9e4066Sahrens if (basemode == DS_MODE_NONE) 1108*fa9e4066Sahrens basemode++; 1109*fa9e4066Sahrens 1110*fa9e4066Sahrens /* 1111*fa9e4066Sahrens * If this dataset exists from a previous run, process its replay log 1112*fa9e4066Sahrens * half of the time. If we don't replay it, then dmu_objset_destroy() 1113*fa9e4066Sahrens * (invoked from ztest_destroy_cb() below) should just throw it away. 1114*fa9e4066Sahrens */ 1115*fa9e4066Sahrens if (ztest_random(2) == 0 && 1116*fa9e4066Sahrens dmu_objset_open(name, DMU_OST_OTHER, DS_MODE_PRIMARY, &os) == 0) { 1117*fa9e4066Sahrens zr.zr_os = os; 1118*fa9e4066Sahrens zil_replay(os, &zr, &zr.zr_assign, ztest_replay_vector, NULL); 1119*fa9e4066Sahrens dmu_objset_close(os); 1120*fa9e4066Sahrens } 1121*fa9e4066Sahrens 1122*fa9e4066Sahrens /* 1123*fa9e4066Sahrens * There may be an old instance of the dataset we're about to 1124*fa9e4066Sahrens * create lying around from a previous run. If so, destroy it 1125*fa9e4066Sahrens * and all of its snapshots. 1126*fa9e4066Sahrens */ 1127*fa9e4066Sahrens dmu_objset_find(name, ztest_destroy_cb, NULL, DS_FIND_SNAPSHOTS); 1128*fa9e4066Sahrens 1129*fa9e4066Sahrens /* 1130*fa9e4066Sahrens * Verify that the destroyed dataset is no longer in the namespace. 1131*fa9e4066Sahrens */ 1132*fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, basemode, &os); 1133*fa9e4066Sahrens if (error != ENOENT) 1134*fa9e4066Sahrens fatal(1, "dmu_objset_open(%s) found destroyed dataset %p", 1135*fa9e4066Sahrens name, os); 1136*fa9e4066Sahrens 1137*fa9e4066Sahrens /* 1138*fa9e4066Sahrens * Verify that we can create a new dataset. 1139*fa9e4066Sahrens */ 1140*fa9e4066Sahrens error = dmu_objset_create(name, DMU_OST_OTHER, NULL, ztest_create_cb, 1141*fa9e4066Sahrens NULL); 1142*fa9e4066Sahrens if (error) { 1143*fa9e4066Sahrens if (error == ENOSPC) { 1144*fa9e4066Sahrens ztest_record_enospc("dmu_objset_create"); 1145*fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1146*fa9e4066Sahrens return; 1147*fa9e4066Sahrens } 1148*fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", name, error); 1149*fa9e4066Sahrens } 1150*fa9e4066Sahrens 1151*fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, basemode, &os); 1152*fa9e4066Sahrens if (error) { 1153*fa9e4066Sahrens fatal(0, "dmu_objset_open(%s) = %d", name, error); 1154*fa9e4066Sahrens } 1155*fa9e4066Sahrens 1156*fa9e4066Sahrens /* 1157*fa9e4066Sahrens * Open the intent log for it. 1158*fa9e4066Sahrens */ 1159*fa9e4066Sahrens zilog = zil_open(os, NULL); 1160*fa9e4066Sahrens 1161*fa9e4066Sahrens /* 1162*fa9e4066Sahrens * Put a random number of objects in there. 1163*fa9e4066Sahrens */ 1164*fa9e4066Sahrens objects = ztest_random(50); 1165*fa9e4066Sahrens seq = 0; 1166*fa9e4066Sahrens while (objects-- != 0) { 1167*fa9e4066Sahrens uint64_t object; 1168*fa9e4066Sahrens dmu_tx_t *tx = dmu_tx_create(os); 1169*fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0, sizeof (name)); 1170*fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1171*fa9e4066Sahrens if (error) { 1172*fa9e4066Sahrens dmu_tx_abort(tx); 1173*fa9e4066Sahrens } else { 1174*fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1175*fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1176*fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1177*fa9e4066Sahrens seq = ztest_log_create(zilog, tx, object, 1178*fa9e4066Sahrens DMU_OT_UINT64_OTHER); 1179*fa9e4066Sahrens dmu_write(os, object, 0, sizeof (name), name, tx); 1180*fa9e4066Sahrens dmu_tx_commit(tx); 1181*fa9e4066Sahrens } 1182*fa9e4066Sahrens if (ztest_random(5) == 0) { 1183*fa9e4066Sahrens zil_commit(zilog, seq, FSYNC); 1184*fa9e4066Sahrens } 1185*fa9e4066Sahrens if (ztest_random(5) == 0) { 1186*fa9e4066Sahrens error = zil_suspend(zilog); 1187*fa9e4066Sahrens if (error == 0) { 1188*fa9e4066Sahrens zil_resume(zilog); 1189*fa9e4066Sahrens } 1190*fa9e4066Sahrens } 1191*fa9e4066Sahrens } 1192*fa9e4066Sahrens 1193*fa9e4066Sahrens /* 1194*fa9e4066Sahrens * Verify that we cannot create an existing dataset. 1195*fa9e4066Sahrens */ 1196*fa9e4066Sahrens error = dmu_objset_create(name, DMU_OST_OTHER, NULL, NULL, NULL); 1197*fa9e4066Sahrens if (error != EEXIST) 1198*fa9e4066Sahrens fatal(0, "created existing dataset, error = %d", error); 1199*fa9e4066Sahrens 1200*fa9e4066Sahrens /* 1201*fa9e4066Sahrens * Verify that multiple dataset opens are allowed, but only when 1202*fa9e4066Sahrens * the new access mode is compatible with the base mode. 1203*fa9e4066Sahrens * We use a mixture of typed and typeless opens, and when the 1204*fa9e4066Sahrens * open succeeds, verify that the discovered type is correct. 1205*fa9e4066Sahrens */ 1206*fa9e4066Sahrens for (mode = DS_MODE_STANDARD; mode < DS_MODE_LEVELS; mode++) { 1207*fa9e4066Sahrens objset_t *os2; 1208*fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, mode, &os2); 1209*fa9e4066Sahrens expected_error = (basemode + mode < DS_MODE_LEVELS) ? 0 : EBUSY; 1210*fa9e4066Sahrens if (error != expected_error) 1211*fa9e4066Sahrens fatal(0, "dmu_objset_open('%s') = %d, expected %d", 1212*fa9e4066Sahrens name, error, expected_error); 1213*fa9e4066Sahrens if (error == 0) 1214*fa9e4066Sahrens dmu_objset_close(os2); 1215*fa9e4066Sahrens } 1216*fa9e4066Sahrens 1217*fa9e4066Sahrens zil_close(zilog); 1218*fa9e4066Sahrens dmu_objset_close(os); 1219*fa9e4066Sahrens 1220*fa9e4066Sahrens error = dmu_objset_destroy(name); 1221*fa9e4066Sahrens if (error) 1222*fa9e4066Sahrens fatal(0, "dmu_objset_destroy(%s) = %d", name, error); 1223*fa9e4066Sahrens 1224*fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1225*fa9e4066Sahrens } 1226*fa9e4066Sahrens 1227*fa9e4066Sahrens /* 1228*fa9e4066Sahrens * Verify that dmu_snapshot_{create,destroy,open,close} work as expected. 1229*fa9e4066Sahrens */ 1230*fa9e4066Sahrens void 1231*fa9e4066Sahrens ztest_dmu_snapshot_create_destroy(ztest_args_t *za) 1232*fa9e4066Sahrens { 1233*fa9e4066Sahrens int error; 1234*fa9e4066Sahrens objset_t *os = za->za_os; 1235*fa9e4066Sahrens char snapname[100]; 1236*fa9e4066Sahrens char osname[MAXNAMELEN]; 1237*fa9e4066Sahrens 1238*fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 1239*fa9e4066Sahrens dmu_objset_name(os, osname); 1240*fa9e4066Sahrens (void) snprintf(snapname, 100, "%s@%llu", osname, 1241*fa9e4066Sahrens (u_longlong_t)za->za_instance); 1242*fa9e4066Sahrens 1243*fa9e4066Sahrens error = dmu_objset_destroy(snapname); 1244*fa9e4066Sahrens if (error != 0 && error != ENOENT) 1245*fa9e4066Sahrens fatal(0, "dmu_objset_destroy() = %d", error); 1246*fa9e4066Sahrens error = dmu_objset_create(snapname, DMU_OST_OTHER, NULL, NULL, NULL); 1247*fa9e4066Sahrens if (error == ENOSPC) 1248*fa9e4066Sahrens ztest_record_enospc("dmu_take_snapshot"); 1249*fa9e4066Sahrens else if (error != 0 && error != EEXIST) 1250*fa9e4066Sahrens fatal(0, "dmu_take_snapshot() = %d", error); 1251*fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 1252*fa9e4066Sahrens } 1253*fa9e4066Sahrens 1254*fa9e4066Sahrens #define ZTEST_TRAVERSE_BLOCKS 1000 1255*fa9e4066Sahrens 1256*fa9e4066Sahrens static int 1257*fa9e4066Sahrens ztest_blk_cb(traverse_blk_cache_t *bc, spa_t *spa, void *arg) 1258*fa9e4066Sahrens { 1259*fa9e4066Sahrens ztest_args_t *za = arg; 1260*fa9e4066Sahrens zbookmark_t *zb = &bc->bc_bookmark; 1261*fa9e4066Sahrens blkptr_t *bp = &bc->bc_blkptr; 1262*fa9e4066Sahrens dnode_phys_t *dnp = bc->bc_dnode; 1263*fa9e4066Sahrens traverse_handle_t *th = za->za_th; 1264*fa9e4066Sahrens uint64_t size = BP_GET_LSIZE(bp); 1265*fa9e4066Sahrens 1266*fa9e4066Sahrens ASSERT(dnp != NULL); 1267*fa9e4066Sahrens 1268*fa9e4066Sahrens if (bc->bc_errno) 1269*fa9e4066Sahrens return (ERESTART); 1270*fa9e4066Sahrens 1271*fa9e4066Sahrens /* 1272*fa9e4066Sahrens * Once in a while, abort the traverse. We only do this to odd 1273*fa9e4066Sahrens * instance numbers to ensure that even ones can run to completion. 1274*fa9e4066Sahrens */ 1275*fa9e4066Sahrens if ((za->za_instance & 1) && ztest_random(10000) == 0) 1276*fa9e4066Sahrens return (EINTR); 1277*fa9e4066Sahrens 1278*fa9e4066Sahrens if (bp->blk_birth == 0) { 1279*fa9e4066Sahrens ASSERT(th->th_advance & ADVANCE_HOLES); 1280*fa9e4066Sahrens return (0); 1281*fa9e4066Sahrens } 1282*fa9e4066Sahrens 1283*fa9e4066Sahrens if (zb->zb_level == 0 && !(th->th_advance & ADVANCE_DATA) && 1284*fa9e4066Sahrens bc == &th->th_cache[ZB_DN_CACHE][0]) { 1285*fa9e4066Sahrens ASSERT(bc->bc_data == NULL); 1286*fa9e4066Sahrens return (0); 1287*fa9e4066Sahrens } 1288*fa9e4066Sahrens 1289*fa9e4066Sahrens ASSERT(bc->bc_data != NULL); 1290*fa9e4066Sahrens 1291*fa9e4066Sahrens /* 1292*fa9e4066Sahrens * This is an expensive question, so don't ask it too often. 1293*fa9e4066Sahrens */ 1294*fa9e4066Sahrens if (((za->za_random ^ th->th_callbacks) & 0xff) == 0) { 1295*fa9e4066Sahrens void *xbuf = umem_alloc(size, UMEM_NOFAIL); 1296*fa9e4066Sahrens if (arc_tryread(spa, bp, xbuf) == 0) { 1297*fa9e4066Sahrens ASSERT(bcmp(bc->bc_data, xbuf, size) == 0); 1298*fa9e4066Sahrens } 1299*fa9e4066Sahrens umem_free(xbuf, size); 1300*fa9e4066Sahrens } 1301*fa9e4066Sahrens 1302*fa9e4066Sahrens if (zb->zb_level > 0) { 1303*fa9e4066Sahrens ASSERT3U(size, ==, 1ULL << dnp->dn_indblkshift); 1304*fa9e4066Sahrens return (0); 1305*fa9e4066Sahrens } 1306*fa9e4066Sahrens 1307*fa9e4066Sahrens if (zb->zb_level == -1) { 1308*fa9e4066Sahrens ASSERT3U(size, ==, sizeof (objset_phys_t)); 1309*fa9e4066Sahrens return (0); 1310*fa9e4066Sahrens } 1311*fa9e4066Sahrens 1312*fa9e4066Sahrens ASSERT(zb->zb_level == 0); 1313*fa9e4066Sahrens ASSERT3U(size, ==, dnp->dn_datablkszsec << DEV_BSHIFT); 1314*fa9e4066Sahrens 1315*fa9e4066Sahrens return (0); 1316*fa9e4066Sahrens } 1317*fa9e4066Sahrens 1318*fa9e4066Sahrens /* 1319*fa9e4066Sahrens * Verify that live pool traversal works. 1320*fa9e4066Sahrens */ 1321*fa9e4066Sahrens void 1322*fa9e4066Sahrens ztest_traverse(ztest_args_t *za) 1323*fa9e4066Sahrens { 1324*fa9e4066Sahrens spa_t *spa = dmu_objset_spa(za->za_os); 1325*fa9e4066Sahrens traverse_handle_t *th = za->za_th; 1326*fa9e4066Sahrens int rc, advance; 1327*fa9e4066Sahrens uint64_t cbstart, cblimit; 1328*fa9e4066Sahrens 1329*fa9e4066Sahrens if (th == NULL) { 1330*fa9e4066Sahrens advance = 0; 1331*fa9e4066Sahrens 1332*fa9e4066Sahrens if (ztest_random(2) == 0) 1333*fa9e4066Sahrens advance |= ADVANCE_PRE; 1334*fa9e4066Sahrens 1335*fa9e4066Sahrens if (ztest_random(2) == 0) 1336*fa9e4066Sahrens advance |= ADVANCE_PRUNE; 1337*fa9e4066Sahrens 1338*fa9e4066Sahrens if (ztest_random(2) == 0) 1339*fa9e4066Sahrens advance |= ADVANCE_DATA; 1340*fa9e4066Sahrens 1341*fa9e4066Sahrens if (ztest_random(2) == 0) 1342*fa9e4066Sahrens advance |= ADVANCE_HOLES; 1343*fa9e4066Sahrens 1344*fa9e4066Sahrens th = za->za_th = traverse_init(spa, ztest_blk_cb, za, advance, 1345*fa9e4066Sahrens ZIO_FLAG_CANFAIL); 1346*fa9e4066Sahrens 1347*fa9e4066Sahrens traverse_add_pool(th, 0, -1ULL); 1348*fa9e4066Sahrens } 1349*fa9e4066Sahrens 1350*fa9e4066Sahrens advance = th->th_advance; 1351*fa9e4066Sahrens cbstart = th->th_callbacks; 1352*fa9e4066Sahrens cblimit = cbstart + ((advance & ADVANCE_DATA) ? 100 : 1000); 1353*fa9e4066Sahrens 1354*fa9e4066Sahrens while ((rc = traverse_more(th)) == EAGAIN && th->th_callbacks < cblimit) 1355*fa9e4066Sahrens continue; 1356*fa9e4066Sahrens 1357*fa9e4066Sahrens if (zopt_verbose >= 5) 1358*fa9e4066Sahrens (void) printf("traverse %s%s%s%s %llu blocks to " 1359*fa9e4066Sahrens "<%llu, %llu, %d, %llx>%s\n", 1360*fa9e4066Sahrens (advance & ADVANCE_PRE) ? "pre" : "post", 1361*fa9e4066Sahrens (advance & ADVANCE_PRUNE) ? "|prune" : "", 1362*fa9e4066Sahrens (advance & ADVANCE_DATA) ? "|data" : "", 1363*fa9e4066Sahrens (advance & ADVANCE_HOLES) ? "|holes" : "", 1364*fa9e4066Sahrens (u_longlong_t)(th->th_callbacks - cbstart), 1365*fa9e4066Sahrens (u_longlong_t)th->th_lastcb.zb_objset, 1366*fa9e4066Sahrens (u_longlong_t)th->th_lastcb.zb_object, 1367*fa9e4066Sahrens th->th_lastcb.zb_level, 1368*fa9e4066Sahrens (u_longlong_t)th->th_lastcb.zb_blkid, 1369*fa9e4066Sahrens rc == 0 ? " [done]" : 1370*fa9e4066Sahrens rc == EINTR ? " [aborted]" : 1371*fa9e4066Sahrens rc == EAGAIN ? "" : 1372*fa9e4066Sahrens strerror(rc)); 1373*fa9e4066Sahrens 1374*fa9e4066Sahrens if (rc != EAGAIN) { 1375*fa9e4066Sahrens if (rc != 0 && rc != EINTR) 1376*fa9e4066Sahrens fatal(0, "traverse_more(%p) = %d", th, rc); 1377*fa9e4066Sahrens traverse_fini(th); 1378*fa9e4066Sahrens za->za_th = NULL; 1379*fa9e4066Sahrens } 1380*fa9e4066Sahrens } 1381*fa9e4066Sahrens 1382*fa9e4066Sahrens /* 1383*fa9e4066Sahrens * Verify that dmu_object_{alloc,free} work as expected. 1384*fa9e4066Sahrens */ 1385*fa9e4066Sahrens void 1386*fa9e4066Sahrens ztest_dmu_object_alloc_free(ztest_args_t *za) 1387*fa9e4066Sahrens { 1388*fa9e4066Sahrens objset_t *os = za->za_os; 1389*fa9e4066Sahrens dmu_buf_t *db; 1390*fa9e4066Sahrens dmu_tx_t *tx; 1391*fa9e4066Sahrens uint64_t batchobj, object, batchsize, endoff, temp; 1392*fa9e4066Sahrens int b, c, error, bonuslen; 1393*fa9e4066Sahrens dmu_object_info_t doi; 1394*fa9e4066Sahrens char osname[MAXNAMELEN]; 1395*fa9e4066Sahrens 1396*fa9e4066Sahrens dmu_objset_name(os, osname); 1397*fa9e4066Sahrens 1398*fa9e4066Sahrens endoff = -8ULL; 1399*fa9e4066Sahrens batchsize = 2; 1400*fa9e4066Sahrens 1401*fa9e4066Sahrens /* 1402*fa9e4066Sahrens * Create a batch object if necessary, and record it in the directory. 1403*fa9e4066Sahrens */ 1404*fa9e4066Sahrens dmu_read(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), &batchobj); 1405*fa9e4066Sahrens if (batchobj == 0) { 1406*fa9e4066Sahrens tx = dmu_tx_create(os); 1407*fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 1408*fa9e4066Sahrens sizeof (uint64_t)); 1409*fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1410*fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1411*fa9e4066Sahrens if (error) { 1412*fa9e4066Sahrens ztest_record_enospc("create a batch object"); 1413*fa9e4066Sahrens dmu_tx_abort(tx); 1414*fa9e4066Sahrens return; 1415*fa9e4066Sahrens } 1416*fa9e4066Sahrens batchobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1417*fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1418*fa9e4066Sahrens ztest_set_random_blocksize(os, batchobj, tx); 1419*fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 1420*fa9e4066Sahrens sizeof (uint64_t), &batchobj, tx); 1421*fa9e4066Sahrens dmu_tx_commit(tx); 1422*fa9e4066Sahrens } 1423*fa9e4066Sahrens 1424*fa9e4066Sahrens /* 1425*fa9e4066Sahrens * Destroy the previous batch of objects. 1426*fa9e4066Sahrens */ 1427*fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1428*fa9e4066Sahrens dmu_read(os, batchobj, b * sizeof (uint64_t), 1429*fa9e4066Sahrens sizeof (uint64_t), &object); 1430*fa9e4066Sahrens if (object == 0) 1431*fa9e4066Sahrens continue; 1432*fa9e4066Sahrens /* 1433*fa9e4066Sahrens * Read and validate contents. 1434*fa9e4066Sahrens * We expect the nth byte of the bonus buffer to be n. 1435*fa9e4066Sahrens */ 1436*fa9e4066Sahrens db = dmu_bonus_hold(os, object); 1437*fa9e4066Sahrens 1438*fa9e4066Sahrens dmu_object_info_from_db(db, &doi); 1439*fa9e4066Sahrens ASSERT(doi.doi_type == DMU_OT_UINT64_OTHER); 1440*fa9e4066Sahrens ASSERT(doi.doi_bonus_type == DMU_OT_PLAIN_OTHER); 1441*fa9e4066Sahrens ASSERT3S(doi.doi_physical_blks, >=, 0); 1442*fa9e4066Sahrens 1443*fa9e4066Sahrens dmu_buf_read(db); 1444*fa9e4066Sahrens 1445*fa9e4066Sahrens bonuslen = db->db_size; 1446*fa9e4066Sahrens 1447*fa9e4066Sahrens for (c = 0; c < bonuslen; c++) { 1448*fa9e4066Sahrens if (((uint8_t *)db->db_data)[c] != 1449*fa9e4066Sahrens (uint8_t)(c + bonuslen)) { 1450*fa9e4066Sahrens fatal(0, 1451*fa9e4066Sahrens "bad bonus: %s, obj %llu, off %d: %u != %u", 1452*fa9e4066Sahrens osname, object, c, 1453*fa9e4066Sahrens ((uint8_t *)db->db_data)[c], 1454*fa9e4066Sahrens (uint8_t)(c + bonuslen)); 1455*fa9e4066Sahrens } 1456*fa9e4066Sahrens } 1457*fa9e4066Sahrens 1458*fa9e4066Sahrens dmu_buf_rele(db); 1459*fa9e4066Sahrens 1460*fa9e4066Sahrens /* 1461*fa9e4066Sahrens * We expect the word at endoff to be our object number. 1462*fa9e4066Sahrens */ 1463*fa9e4066Sahrens dmu_read(os, object, endoff, sizeof (uint64_t), &temp); 1464*fa9e4066Sahrens 1465*fa9e4066Sahrens if (temp != object) { 1466*fa9e4066Sahrens fatal(0, "bad data in %s, got %llu, expected %llu", 1467*fa9e4066Sahrens osname, temp, object); 1468*fa9e4066Sahrens } 1469*fa9e4066Sahrens 1470*fa9e4066Sahrens /* 1471*fa9e4066Sahrens * Destroy old object and clear batch entry. 1472*fa9e4066Sahrens */ 1473*fa9e4066Sahrens tx = dmu_tx_create(os); 1474*fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, 1475*fa9e4066Sahrens b * sizeof (uint64_t), sizeof (uint64_t)); 1476*fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 1477*fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1478*fa9e4066Sahrens if (error) { 1479*fa9e4066Sahrens ztest_record_enospc("free object"); 1480*fa9e4066Sahrens dmu_tx_abort(tx); 1481*fa9e4066Sahrens return; 1482*fa9e4066Sahrens } 1483*fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1484*fa9e4066Sahrens if (error) { 1485*fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1486*fa9e4066Sahrens osname, object, error); 1487*fa9e4066Sahrens } 1488*fa9e4066Sahrens object = 0; 1489*fa9e4066Sahrens 1490*fa9e4066Sahrens dmu_object_set_checksum(os, batchobj, 1491*fa9e4066Sahrens ztest_random_checksum(), tx); 1492*fa9e4066Sahrens dmu_object_set_compress(os, batchobj, 1493*fa9e4066Sahrens ztest_random_compress(), tx); 1494*fa9e4066Sahrens 1495*fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1496*fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1497*fa9e4066Sahrens 1498*fa9e4066Sahrens dmu_tx_commit(tx); 1499*fa9e4066Sahrens } 1500*fa9e4066Sahrens 1501*fa9e4066Sahrens /* 1502*fa9e4066Sahrens * Before creating the new batch of objects, generate a bunch of churn. 1503*fa9e4066Sahrens */ 1504*fa9e4066Sahrens for (b = ztest_random(100); b > 0; b--) { 1505*fa9e4066Sahrens tx = dmu_tx_create(os); 1506*fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1507*fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1508*fa9e4066Sahrens if (error) { 1509*fa9e4066Sahrens ztest_record_enospc("churn objects"); 1510*fa9e4066Sahrens dmu_tx_abort(tx); 1511*fa9e4066Sahrens return; 1512*fa9e4066Sahrens } 1513*fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1514*fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1515*fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1516*fa9e4066Sahrens error = dmu_object_free(os, object, tx); 1517*fa9e4066Sahrens if (error) { 1518*fa9e4066Sahrens fatal(0, "dmu_object_free('%s', %llu) = %d", 1519*fa9e4066Sahrens osname, object, error); 1520*fa9e4066Sahrens } 1521*fa9e4066Sahrens dmu_tx_commit(tx); 1522*fa9e4066Sahrens } 1523*fa9e4066Sahrens 1524*fa9e4066Sahrens /* 1525*fa9e4066Sahrens * Create a new batch of objects with randomly chosen 1526*fa9e4066Sahrens * blocksizes and record them in the batch directory. 1527*fa9e4066Sahrens */ 1528*fa9e4066Sahrens for (b = 0; b < batchsize; b++) { 1529*fa9e4066Sahrens uint32_t va_blksize; 1530*fa9e4066Sahrens u_longlong_t va_nblocks; 1531*fa9e4066Sahrens 1532*fa9e4066Sahrens tx = dmu_tx_create(os); 1533*fa9e4066Sahrens dmu_tx_hold_write(tx, batchobj, b * sizeof (uint64_t), 1534*fa9e4066Sahrens sizeof (uint64_t)); 1535*fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1536*fa9e4066Sahrens dmu_tx_hold_write(tx, DMU_NEW_OBJECT, endoff, 1537*fa9e4066Sahrens sizeof (uint64_t)); 1538*fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1539*fa9e4066Sahrens if (error) { 1540*fa9e4066Sahrens ztest_record_enospc("create batchobj"); 1541*fa9e4066Sahrens dmu_tx_abort(tx); 1542*fa9e4066Sahrens return; 1543*fa9e4066Sahrens } 1544*fa9e4066Sahrens bonuslen = (int)ztest_random(dmu_bonus_max()) + 1; 1545*fa9e4066Sahrens 1546*fa9e4066Sahrens object = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1547*fa9e4066Sahrens DMU_OT_PLAIN_OTHER, bonuslen, tx); 1548*fa9e4066Sahrens 1549*fa9e4066Sahrens ztest_set_random_blocksize(os, object, tx); 1550*fa9e4066Sahrens 1551*fa9e4066Sahrens dmu_object_set_checksum(os, object, 1552*fa9e4066Sahrens ztest_random_checksum(), tx); 1553*fa9e4066Sahrens dmu_object_set_compress(os, object, 1554*fa9e4066Sahrens ztest_random_compress(), tx); 1555*fa9e4066Sahrens 1556*fa9e4066Sahrens dmu_write(os, batchobj, b * sizeof (uint64_t), 1557*fa9e4066Sahrens sizeof (uint64_t), &object, tx); 1558*fa9e4066Sahrens 1559*fa9e4066Sahrens /* 1560*fa9e4066Sahrens * Write to both the bonus buffer and the regular data. 1561*fa9e4066Sahrens */ 1562*fa9e4066Sahrens db = dmu_bonus_hold(os, object); 1563*fa9e4066Sahrens ASSERT3U(bonuslen, ==, db->db_size); 1564*fa9e4066Sahrens 1565*fa9e4066Sahrens dmu_object_size_from_db(db, &va_blksize, &va_nblocks); 1566*fa9e4066Sahrens ASSERT3S(va_nblocks, >=, 0); 1567*fa9e4066Sahrens 1568*fa9e4066Sahrens dmu_buf_will_dirty(db, tx); 1569*fa9e4066Sahrens 1570*fa9e4066Sahrens /* 1571*fa9e4066Sahrens * See comments above regarding the contents of 1572*fa9e4066Sahrens * the bonus buffer and the word at endoff. 1573*fa9e4066Sahrens */ 1574*fa9e4066Sahrens for (c = 0; c < db->db_size; c++) 1575*fa9e4066Sahrens ((uint8_t *)db->db_data)[c] = (uint8_t)(c + bonuslen); 1576*fa9e4066Sahrens 1577*fa9e4066Sahrens dmu_buf_rele(db); 1578*fa9e4066Sahrens 1579*fa9e4066Sahrens /* 1580*fa9e4066Sahrens * Write to a large offset to increase indirection. 1581*fa9e4066Sahrens */ 1582*fa9e4066Sahrens dmu_write(os, object, endoff, sizeof (uint64_t), &object, tx); 1583*fa9e4066Sahrens 1584*fa9e4066Sahrens dmu_tx_commit(tx); 1585*fa9e4066Sahrens } 1586*fa9e4066Sahrens } 1587*fa9e4066Sahrens 1588*fa9e4066Sahrens /* 1589*fa9e4066Sahrens * Verify that dmu_{read,write} work as expected. 1590*fa9e4066Sahrens */ 1591*fa9e4066Sahrens typedef struct bufwad { 1592*fa9e4066Sahrens uint64_t bw_index; 1593*fa9e4066Sahrens uint64_t bw_txg; 1594*fa9e4066Sahrens uint64_t bw_data; 1595*fa9e4066Sahrens } bufwad_t; 1596*fa9e4066Sahrens 1597*fa9e4066Sahrens typedef struct dmu_read_write_dir { 1598*fa9e4066Sahrens uint64_t dd_packobj; 1599*fa9e4066Sahrens uint64_t dd_bigobj; 1600*fa9e4066Sahrens uint64_t dd_chunk; 1601*fa9e4066Sahrens } dmu_read_write_dir_t; 1602*fa9e4066Sahrens 1603*fa9e4066Sahrens void 1604*fa9e4066Sahrens ztest_dmu_read_write(ztest_args_t *za) 1605*fa9e4066Sahrens { 1606*fa9e4066Sahrens objset_t *os = za->za_os; 1607*fa9e4066Sahrens dmu_read_write_dir_t dd; 1608*fa9e4066Sahrens dmu_tx_t *tx; 1609*fa9e4066Sahrens int i, freeit, error; 1610*fa9e4066Sahrens uint64_t n, s, txg; 1611*fa9e4066Sahrens bufwad_t *packbuf, *bigbuf, *pack, *bigH, *bigT; 1612*fa9e4066Sahrens uint64_t packoff, packsize, bigoff, bigsize; 1613*fa9e4066Sahrens uint64_t regions = 997; 1614*fa9e4066Sahrens uint64_t stride = 123456789ULL; 1615*fa9e4066Sahrens uint64_t width = 40; 1616*fa9e4066Sahrens int free_percent = 5; 1617*fa9e4066Sahrens 1618*fa9e4066Sahrens /* 1619*fa9e4066Sahrens * This test uses two objects, packobj and bigobj, that are always 1620*fa9e4066Sahrens * updated together (i.e. in the same tx) so that their contents are 1621*fa9e4066Sahrens * in sync and can be compared. Their contents relate to each other 1622*fa9e4066Sahrens * in a simple way: packobj is a dense array of 'bufwad' structures, 1623*fa9e4066Sahrens * while bigobj is a sparse array of the same bufwads. Specifically, 1624*fa9e4066Sahrens * for any index n, there are three bufwads that should be identical: 1625*fa9e4066Sahrens * 1626*fa9e4066Sahrens * packobj, at offset n * sizeof (bufwad_t) 1627*fa9e4066Sahrens * bigobj, at the head of the nth chunk 1628*fa9e4066Sahrens * bigobj, at the tail of the nth chunk 1629*fa9e4066Sahrens * 1630*fa9e4066Sahrens * The chunk size is arbitrary. It doesn't have to be a power of two, 1631*fa9e4066Sahrens * and it doesn't have any relation to the object blocksize. 1632*fa9e4066Sahrens * The only requirement is that it can hold at least two bufwads. 1633*fa9e4066Sahrens * 1634*fa9e4066Sahrens * Normally, we write the bufwad to each of these locations. 1635*fa9e4066Sahrens * However, free_percent of the time we instead write zeroes to 1636*fa9e4066Sahrens * packobj and perform a dmu_free_range() on bigobj. By comparing 1637*fa9e4066Sahrens * bigobj to packobj, we can verify that the DMU is correctly 1638*fa9e4066Sahrens * tracking which parts of an object are allocated and free, 1639*fa9e4066Sahrens * and that the contents of the allocated blocks are correct. 1640*fa9e4066Sahrens */ 1641*fa9e4066Sahrens 1642*fa9e4066Sahrens /* 1643*fa9e4066Sahrens * Read the directory info. If it's the first time, set things up. 1644*fa9e4066Sahrens */ 1645*fa9e4066Sahrens dmu_read(os, ZTEST_DIROBJ, za->za_diroff, sizeof (dd), &dd); 1646*fa9e4066Sahrens if (dd.dd_chunk == 0) { 1647*fa9e4066Sahrens ASSERT(dd.dd_packobj == 0); 1648*fa9e4066Sahrens ASSERT(dd.dd_bigobj == 0); 1649*fa9e4066Sahrens tx = dmu_tx_create(os); 1650*fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (dd)); 1651*fa9e4066Sahrens dmu_tx_hold_bonus(tx, DMU_NEW_OBJECT); 1652*fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1653*fa9e4066Sahrens if (error) { 1654*fa9e4066Sahrens ztest_record_enospc("create r/w directory"); 1655*fa9e4066Sahrens dmu_tx_abort(tx); 1656*fa9e4066Sahrens return; 1657*fa9e4066Sahrens } 1658*fa9e4066Sahrens 1659*fa9e4066Sahrens dd.dd_packobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1660*fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1661*fa9e4066Sahrens dd.dd_bigobj = dmu_object_alloc(os, DMU_OT_UINT64_OTHER, 0, 1662*fa9e4066Sahrens DMU_OT_NONE, 0, tx); 1663*fa9e4066Sahrens dd.dd_chunk = (1000 + ztest_random(1000)) * sizeof (uint64_t); 1664*fa9e4066Sahrens 1665*fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_packobj, tx); 1666*fa9e4066Sahrens ztest_set_random_blocksize(os, dd.dd_bigobj, tx); 1667*fa9e4066Sahrens 1668*fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (dd), &dd, 1669*fa9e4066Sahrens tx); 1670*fa9e4066Sahrens dmu_tx_commit(tx); 1671*fa9e4066Sahrens } 1672*fa9e4066Sahrens 1673*fa9e4066Sahrens /* 1674*fa9e4066Sahrens * Prefetch a random chunk of the big object. 1675*fa9e4066Sahrens * Our aim here is to get some async reads in flight 1676*fa9e4066Sahrens * for blocks that we may free below; the DMU should 1677*fa9e4066Sahrens * handle this race correctly. 1678*fa9e4066Sahrens */ 1679*fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 1680*fa9e4066Sahrens s = 1 + ztest_random(2 * width - 1); 1681*fa9e4066Sahrens dmu_prefetch(os, dd.dd_bigobj, n * dd.dd_chunk, s * dd.dd_chunk); 1682*fa9e4066Sahrens 1683*fa9e4066Sahrens /* 1684*fa9e4066Sahrens * Pick a random index and compute the offsets into packobj and bigobj. 1685*fa9e4066Sahrens */ 1686*fa9e4066Sahrens n = ztest_random(regions) * stride + ztest_random(width); 1687*fa9e4066Sahrens s = 1 + ztest_random(width - 1); 1688*fa9e4066Sahrens 1689*fa9e4066Sahrens packoff = n * sizeof (bufwad_t); 1690*fa9e4066Sahrens packsize = s * sizeof (bufwad_t); 1691*fa9e4066Sahrens 1692*fa9e4066Sahrens bigoff = n * dd.dd_chunk; 1693*fa9e4066Sahrens bigsize = s * dd.dd_chunk; 1694*fa9e4066Sahrens 1695*fa9e4066Sahrens packbuf = umem_alloc(packsize, UMEM_NOFAIL); 1696*fa9e4066Sahrens bigbuf = umem_alloc(bigsize, UMEM_NOFAIL); 1697*fa9e4066Sahrens 1698*fa9e4066Sahrens /* 1699*fa9e4066Sahrens * free_percent of the time, free a range of bigobj rather than 1700*fa9e4066Sahrens * overwriting it. 1701*fa9e4066Sahrens */ 1702*fa9e4066Sahrens freeit = (ztest_random(100) < free_percent); 1703*fa9e4066Sahrens 1704*fa9e4066Sahrens /* 1705*fa9e4066Sahrens * Read the current contents of our objects. 1706*fa9e4066Sahrens */ 1707*fa9e4066Sahrens dmu_read(os, dd.dd_packobj, packoff, packsize, packbuf); 1708*fa9e4066Sahrens dmu_read(os, dd.dd_bigobj, bigoff, bigsize, bigbuf); 1709*fa9e4066Sahrens 1710*fa9e4066Sahrens /* 1711*fa9e4066Sahrens * Get a tx for the mods to both packobj and bigobj. 1712*fa9e4066Sahrens */ 1713*fa9e4066Sahrens tx = dmu_tx_create(os); 1714*fa9e4066Sahrens 1715*fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_packobj, packoff, packsize); 1716*fa9e4066Sahrens 1717*fa9e4066Sahrens if (freeit) 1718*fa9e4066Sahrens dmu_tx_hold_free(tx, dd.dd_bigobj, bigoff, bigsize); 1719*fa9e4066Sahrens else 1720*fa9e4066Sahrens dmu_tx_hold_write(tx, dd.dd_bigobj, bigoff, bigsize); 1721*fa9e4066Sahrens 1722*fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 1723*fa9e4066Sahrens 1724*fa9e4066Sahrens if (error) { 1725*fa9e4066Sahrens ztest_record_enospc("dmu r/w range"); 1726*fa9e4066Sahrens dmu_tx_abort(tx); 1727*fa9e4066Sahrens umem_free(packbuf, packsize); 1728*fa9e4066Sahrens umem_free(bigbuf, bigsize); 1729*fa9e4066Sahrens return; 1730*fa9e4066Sahrens } 1731*fa9e4066Sahrens 1732*fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 1733*fa9e4066Sahrens 1734*fa9e4066Sahrens /* 1735*fa9e4066Sahrens * For each index from n to n + s, verify that the existing bufwad 1736*fa9e4066Sahrens * in packobj matches the bufwads at the head and tail of the 1737*fa9e4066Sahrens * corresponding chunk in bigobj. Then update all three bufwads 1738*fa9e4066Sahrens * with the new values we want to write out. 1739*fa9e4066Sahrens */ 1740*fa9e4066Sahrens for (i = 0; i < s; i++) { 1741*fa9e4066Sahrens /* LINTED */ 1742*fa9e4066Sahrens pack = (bufwad_t *)((char *)packbuf + i * sizeof (bufwad_t)); 1743*fa9e4066Sahrens /* LINTED */ 1744*fa9e4066Sahrens bigH = (bufwad_t *)((char *)bigbuf + i * dd.dd_chunk); 1745*fa9e4066Sahrens /* LINTED */ 1746*fa9e4066Sahrens bigT = (bufwad_t *)((char *)bigH + dd.dd_chunk) - 1; 1747*fa9e4066Sahrens 1748*fa9e4066Sahrens ASSERT((uintptr_t)bigH - (uintptr_t)bigbuf < bigsize); 1749*fa9e4066Sahrens ASSERT((uintptr_t)bigT - (uintptr_t)bigbuf < bigsize); 1750*fa9e4066Sahrens 1751*fa9e4066Sahrens if (pack->bw_txg > txg) 1752*fa9e4066Sahrens fatal(0, "future leak: got %llx, open txg is %llx", 1753*fa9e4066Sahrens pack->bw_txg, txg); 1754*fa9e4066Sahrens 1755*fa9e4066Sahrens if (pack->bw_data != 0 && pack->bw_index != n + i) 1756*fa9e4066Sahrens fatal(0, "wrong index: got %llx, wanted %llx+%llx", 1757*fa9e4066Sahrens pack->bw_index, n, i); 1758*fa9e4066Sahrens 1759*fa9e4066Sahrens if (bcmp(pack, bigH, sizeof (bufwad_t)) != 0) 1760*fa9e4066Sahrens fatal(0, "pack/bigH mismatch in %p/%p", pack, bigH); 1761*fa9e4066Sahrens 1762*fa9e4066Sahrens if (bcmp(pack, bigT, sizeof (bufwad_t)) != 0) 1763*fa9e4066Sahrens fatal(0, "pack/bigT mismatch in %p/%p", pack, bigT); 1764*fa9e4066Sahrens 1765*fa9e4066Sahrens if (freeit) { 1766*fa9e4066Sahrens bzero(pack, sizeof (bufwad_t)); 1767*fa9e4066Sahrens } else { 1768*fa9e4066Sahrens pack->bw_index = n + i; 1769*fa9e4066Sahrens pack->bw_txg = txg; 1770*fa9e4066Sahrens pack->bw_data = 1 + ztest_random(-2ULL); 1771*fa9e4066Sahrens } 1772*fa9e4066Sahrens *bigH = *pack; 1773*fa9e4066Sahrens *bigT = *pack; 1774*fa9e4066Sahrens } 1775*fa9e4066Sahrens 1776*fa9e4066Sahrens /* 1777*fa9e4066Sahrens * We've verified all the old bufwads, and made new ones. 1778*fa9e4066Sahrens * Now write them out. 1779*fa9e4066Sahrens */ 1780*fa9e4066Sahrens dmu_write(os, dd.dd_packobj, packoff, packsize, packbuf, tx); 1781*fa9e4066Sahrens 1782*fa9e4066Sahrens if (freeit) { 1783*fa9e4066Sahrens if (zopt_verbose >= 6) { 1784*fa9e4066Sahrens (void) printf("freeing offset %llx size %llx" 1785*fa9e4066Sahrens " txg %llx\n", 1786*fa9e4066Sahrens (u_longlong_t)bigoff, 1787*fa9e4066Sahrens (u_longlong_t)bigsize, 1788*fa9e4066Sahrens (u_longlong_t)txg); 1789*fa9e4066Sahrens } 1790*fa9e4066Sahrens dmu_free_range(os, dd.dd_bigobj, bigoff, bigsize, tx); 1791*fa9e4066Sahrens } else { 1792*fa9e4066Sahrens if (zopt_verbose >= 6) { 1793*fa9e4066Sahrens (void) printf("writing offset %llx size %llx" 1794*fa9e4066Sahrens " txg %llx\n", 1795*fa9e4066Sahrens (u_longlong_t)bigoff, 1796*fa9e4066Sahrens (u_longlong_t)bigsize, 1797*fa9e4066Sahrens (u_longlong_t)txg); 1798*fa9e4066Sahrens } 1799*fa9e4066Sahrens dmu_write(os, dd.dd_bigobj, bigoff, bigsize, bigbuf, tx); 1800*fa9e4066Sahrens } 1801*fa9e4066Sahrens 1802*fa9e4066Sahrens dmu_tx_commit(tx); 1803*fa9e4066Sahrens 1804*fa9e4066Sahrens /* 1805*fa9e4066Sahrens * Sanity check the stuff we just wrote. 1806*fa9e4066Sahrens */ 1807*fa9e4066Sahrens { 1808*fa9e4066Sahrens void *packcheck = umem_alloc(packsize, UMEM_NOFAIL); 1809*fa9e4066Sahrens void *bigcheck = umem_alloc(bigsize, UMEM_NOFAIL); 1810*fa9e4066Sahrens 1811*fa9e4066Sahrens dmu_read(os, dd.dd_packobj, packoff, packsize, packcheck); 1812*fa9e4066Sahrens dmu_read(os, dd.dd_bigobj, bigoff, bigsize, bigcheck); 1813*fa9e4066Sahrens 1814*fa9e4066Sahrens ASSERT(bcmp(packbuf, packcheck, packsize) == 0); 1815*fa9e4066Sahrens ASSERT(bcmp(bigbuf, bigcheck, bigsize) == 0); 1816*fa9e4066Sahrens 1817*fa9e4066Sahrens umem_free(packcheck, packsize); 1818*fa9e4066Sahrens umem_free(bigcheck, bigsize); 1819*fa9e4066Sahrens } 1820*fa9e4066Sahrens 1821*fa9e4066Sahrens umem_free(packbuf, packsize); 1822*fa9e4066Sahrens umem_free(bigbuf, bigsize); 1823*fa9e4066Sahrens } 1824*fa9e4066Sahrens 1825*fa9e4066Sahrens void 1826*fa9e4066Sahrens ztest_dmu_write_parallel(ztest_args_t *za) 1827*fa9e4066Sahrens { 1828*fa9e4066Sahrens objset_t *os = za->za_os; 1829*fa9e4066Sahrens dmu_tx_t *tx; 1830*fa9e4066Sahrens dmu_buf_t *db; 1831*fa9e4066Sahrens int i, b, error, do_free, bs; 1832*fa9e4066Sahrens uint64_t off, txg_how, txg; 1833*fa9e4066Sahrens mutex_t *lp; 1834*fa9e4066Sahrens char osname[MAXNAMELEN]; 1835*fa9e4066Sahrens char iobuf[SPA_MAXBLOCKSIZE]; 1836*fa9e4066Sahrens ztest_block_tag_t rbt, wbt; 1837*fa9e4066Sahrens 1838*fa9e4066Sahrens dmu_objset_name(os, osname); 1839*fa9e4066Sahrens bs = ZTEST_DIROBJ_BLOCKSIZE; 1840*fa9e4066Sahrens 1841*fa9e4066Sahrens /* 1842*fa9e4066Sahrens * Have multiple threads write to large offsets in ZTEST_DIROBJ 1843*fa9e4066Sahrens * to verify that having multiple threads writing to the same object 1844*fa9e4066Sahrens * in parallel doesn't cause any trouble. 1845*fa9e4066Sahrens * Also do parallel writes to the bonus buffer on occasion. 1846*fa9e4066Sahrens */ 1847*fa9e4066Sahrens for (i = 0; i < 50; i++) { 1848*fa9e4066Sahrens b = ztest_random(ZTEST_SYNC_LOCKS); 1849*fa9e4066Sahrens lp = &ztest_shared->zs_sync_lock[b]; 1850*fa9e4066Sahrens 1851*fa9e4066Sahrens do_free = (ztest_random(4) == 0); 1852*fa9e4066Sahrens 1853*fa9e4066Sahrens off = za->za_diroff_shared + ((uint64_t)b << SPA_MAXBLOCKSHIFT); 1854*fa9e4066Sahrens 1855*fa9e4066Sahrens if (ztest_random(4) == 0) { 1856*fa9e4066Sahrens /* 1857*fa9e4066Sahrens * Do the bonus buffer instead of a regular block. 1858*fa9e4066Sahrens */ 1859*fa9e4066Sahrens do_free = 0; 1860*fa9e4066Sahrens off = -1ULL; 1861*fa9e4066Sahrens } 1862*fa9e4066Sahrens 1863*fa9e4066Sahrens tx = dmu_tx_create(os); 1864*fa9e4066Sahrens 1865*fa9e4066Sahrens if (off == -1ULL) 1866*fa9e4066Sahrens dmu_tx_hold_bonus(tx, ZTEST_DIROBJ); 1867*fa9e4066Sahrens else if (do_free) 1868*fa9e4066Sahrens dmu_tx_hold_free(tx, ZTEST_DIROBJ, off, bs); 1869*fa9e4066Sahrens else 1870*fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, off, bs); 1871*fa9e4066Sahrens 1872*fa9e4066Sahrens txg_how = ztest_random(2) == 0 ? TXG_WAIT : TXG_NOWAIT; 1873*fa9e4066Sahrens error = dmu_tx_assign(tx, txg_how); 1874*fa9e4066Sahrens if (error) { 1875*fa9e4066Sahrens dmu_tx_abort(tx); 1876*fa9e4066Sahrens if (error == ERESTART) { 1877*fa9e4066Sahrens ASSERT(txg_how == TXG_NOWAIT); 1878*fa9e4066Sahrens txg_wait_open(dmu_objset_pool(os), 0); 1879*fa9e4066Sahrens continue; 1880*fa9e4066Sahrens } 1881*fa9e4066Sahrens ztest_record_enospc("dmu write parallel"); 1882*fa9e4066Sahrens return; 1883*fa9e4066Sahrens } 1884*fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 1885*fa9e4066Sahrens 1886*fa9e4066Sahrens if (do_free) { 1887*fa9e4066Sahrens (void) mutex_lock(lp); 1888*fa9e4066Sahrens dmu_free_range(os, ZTEST_DIROBJ, off, bs, tx); 1889*fa9e4066Sahrens (void) mutex_unlock(lp); 1890*fa9e4066Sahrens dmu_tx_commit(tx); 1891*fa9e4066Sahrens continue; 1892*fa9e4066Sahrens } 1893*fa9e4066Sahrens 1894*fa9e4066Sahrens wbt.bt_objset = dmu_objset_id(os); 1895*fa9e4066Sahrens wbt.bt_object = ZTEST_DIROBJ; 1896*fa9e4066Sahrens wbt.bt_offset = off; 1897*fa9e4066Sahrens wbt.bt_txg = txg; 1898*fa9e4066Sahrens wbt.bt_thread = za->za_instance; 1899*fa9e4066Sahrens 1900*fa9e4066Sahrens if (off == -1ULL) { 1901*fa9e4066Sahrens wbt.bt_seq = 0; 1902*fa9e4066Sahrens db = dmu_bonus_hold(os, ZTEST_DIROBJ); 1903*fa9e4066Sahrens ASSERT3U(db->db_size, ==, sizeof (wbt)); 1904*fa9e4066Sahrens dmu_buf_read(db); 1905*fa9e4066Sahrens bcopy(db->db_data, &rbt, db->db_size); 1906*fa9e4066Sahrens if (rbt.bt_objset != 0) { 1907*fa9e4066Sahrens ASSERT3U(rbt.bt_objset, ==, wbt.bt_objset); 1908*fa9e4066Sahrens ASSERT3U(rbt.bt_object, ==, wbt.bt_object); 1909*fa9e4066Sahrens ASSERT3U(rbt.bt_offset, ==, wbt.bt_offset); 1910*fa9e4066Sahrens ASSERT3U(rbt.bt_txg, <=, wbt.bt_txg); 1911*fa9e4066Sahrens } 1912*fa9e4066Sahrens dmu_buf_will_dirty(db, tx); 1913*fa9e4066Sahrens bcopy(&wbt, db->db_data, db->db_size); 1914*fa9e4066Sahrens dmu_buf_rele(db); 1915*fa9e4066Sahrens dmu_tx_commit(tx); 1916*fa9e4066Sahrens continue; 1917*fa9e4066Sahrens } 1918*fa9e4066Sahrens 1919*fa9e4066Sahrens (void) mutex_lock(lp); 1920*fa9e4066Sahrens 1921*fa9e4066Sahrens wbt.bt_seq = ztest_shared->zs_seq[b]++; 1922*fa9e4066Sahrens 1923*fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, off, sizeof (wbt), &wbt, tx); 1924*fa9e4066Sahrens 1925*fa9e4066Sahrens (void) mutex_unlock(lp); 1926*fa9e4066Sahrens 1927*fa9e4066Sahrens if (ztest_random(100) == 0) 1928*fa9e4066Sahrens (void) poll(NULL, 0, 1); /* open dn_notxholds window */ 1929*fa9e4066Sahrens 1930*fa9e4066Sahrens dmu_tx_commit(tx); 1931*fa9e4066Sahrens 1932*fa9e4066Sahrens if (ztest_random(1000) == 0) 1933*fa9e4066Sahrens txg_wait_synced(dmu_objset_pool(os), txg); 1934*fa9e4066Sahrens 1935*fa9e4066Sahrens if (ztest_random(2) == 0) { 1936*fa9e4066Sahrens blkptr_t blk = { 0 }; 1937*fa9e4066Sahrens uint64_t blkoff; 1938*fa9e4066Sahrens 1939*fa9e4066Sahrens txg_suspend(dmu_objset_pool(os)); 1940*fa9e4066Sahrens (void) mutex_lock(lp); 1941*fa9e4066Sahrens error = dmu_sync(os, ZTEST_DIROBJ, off, &blkoff, &blk, 1942*fa9e4066Sahrens txg); 1943*fa9e4066Sahrens (void) mutex_unlock(lp); 1944*fa9e4066Sahrens if (error) { 1945*fa9e4066Sahrens txg_resume(dmu_objset_pool(os)); 1946*fa9e4066Sahrens dprintf("dmu_sync(%s, %d, %llx) = %d\n", 1947*fa9e4066Sahrens osname, ZTEST_DIROBJ, off, error); 1948*fa9e4066Sahrens continue; 1949*fa9e4066Sahrens } 1950*fa9e4066Sahrens 1951*fa9e4066Sahrens if (blk.blk_birth == 0) { /* concurrent free */ 1952*fa9e4066Sahrens txg_resume(dmu_objset_pool(os)); 1953*fa9e4066Sahrens continue; 1954*fa9e4066Sahrens } 1955*fa9e4066Sahrens 1956*fa9e4066Sahrens ASSERT(blk.blk_fill == 1); 1957*fa9e4066Sahrens ASSERT3U(BP_GET_TYPE(&blk), ==, DMU_OT_UINT64_OTHER); 1958*fa9e4066Sahrens ASSERT3U(BP_GET_LEVEL(&blk), ==, 0); 1959*fa9e4066Sahrens ASSERT3U(BP_GET_LSIZE(&blk), ==, bs); 1960*fa9e4066Sahrens 1961*fa9e4066Sahrens /* 1962*fa9e4066Sahrens * Read the block that dmu_sync() returned to 1963*fa9e4066Sahrens * make sure its contents match what we wrote. 1964*fa9e4066Sahrens * We do this while still txg_suspend()ed to ensure 1965*fa9e4066Sahrens * that the block can't be reused before we read it. 1966*fa9e4066Sahrens */ 1967*fa9e4066Sahrens error = zio_wait(zio_read(NULL, dmu_objset_spa(os), 1968*fa9e4066Sahrens &blk, iobuf, bs, NULL, NULL, 1969*fa9e4066Sahrens ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_MUSTSUCCEED)); 1970*fa9e4066Sahrens ASSERT(error == 0); 1971*fa9e4066Sahrens 1972*fa9e4066Sahrens txg_resume(dmu_objset_pool(os)); 1973*fa9e4066Sahrens 1974*fa9e4066Sahrens bcopy(&iobuf[blkoff], &rbt, sizeof (rbt)); 1975*fa9e4066Sahrens 1976*fa9e4066Sahrens ASSERT3U(rbt.bt_objset, ==, wbt.bt_objset); 1977*fa9e4066Sahrens ASSERT3U(rbt.bt_object, ==, wbt.bt_object); 1978*fa9e4066Sahrens ASSERT3U(rbt.bt_offset, ==, wbt.bt_offset); 1979*fa9e4066Sahrens 1980*fa9e4066Sahrens /* 1981*fa9e4066Sahrens * The semantic of dmu_sync() is that we always 1982*fa9e4066Sahrens * push the most recent version of the data, 1983*fa9e4066Sahrens * so in the face of concurrent updates we may 1984*fa9e4066Sahrens * see a newer version of the block. That's OK. 1985*fa9e4066Sahrens */ 1986*fa9e4066Sahrens ASSERT3U(rbt.bt_txg, >=, wbt.bt_txg); 1987*fa9e4066Sahrens if (rbt.bt_thread == wbt.bt_thread) 1988*fa9e4066Sahrens ASSERT3U(rbt.bt_seq, ==, wbt.bt_seq); 1989*fa9e4066Sahrens else 1990*fa9e4066Sahrens ASSERT3U(rbt.bt_seq, >, wbt.bt_seq); 1991*fa9e4066Sahrens } 1992*fa9e4066Sahrens } 1993*fa9e4066Sahrens } 1994*fa9e4066Sahrens 1995*fa9e4066Sahrens /* 1996*fa9e4066Sahrens * Verify that zap_{create,destroy,add,remove,update} work as expected. 1997*fa9e4066Sahrens */ 1998*fa9e4066Sahrens #define ZTEST_ZAP_MIN_INTS 1 1999*fa9e4066Sahrens #define ZTEST_ZAP_MAX_INTS 4 2000*fa9e4066Sahrens #define ZTEST_ZAP_MAX_PROPS 1000 2001*fa9e4066Sahrens 2002*fa9e4066Sahrens void 2003*fa9e4066Sahrens ztest_zap(ztest_args_t *za) 2004*fa9e4066Sahrens { 2005*fa9e4066Sahrens objset_t *os = za->za_os; 2006*fa9e4066Sahrens uint64_t object; 2007*fa9e4066Sahrens uint64_t txg, last_txg; 2008*fa9e4066Sahrens uint64_t value[ZTEST_ZAP_MAX_INTS]; 2009*fa9e4066Sahrens uint64_t zl_ints, zl_intsize, prop; 2010*fa9e4066Sahrens int i, ints; 2011*fa9e4066Sahrens int iters = 100; 2012*fa9e4066Sahrens dmu_tx_t *tx; 2013*fa9e4066Sahrens char propname[100], txgname[100]; 2014*fa9e4066Sahrens int error; 2015*fa9e4066Sahrens char osname[MAXNAMELEN]; 2016*fa9e4066Sahrens char *hc[2] = { "s.acl.h", ".s.open.h.hyLZlg" }; 2017*fa9e4066Sahrens 2018*fa9e4066Sahrens dmu_objset_name(os, osname); 2019*fa9e4066Sahrens 2020*fa9e4066Sahrens /* 2021*fa9e4066Sahrens * Create a new object if necessary, and record it in the directory. 2022*fa9e4066Sahrens */ 2023*fa9e4066Sahrens dmu_read(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), &object); 2024*fa9e4066Sahrens 2025*fa9e4066Sahrens if (object == 0) { 2026*fa9e4066Sahrens tx = dmu_tx_create(os); 2027*fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, 2028*fa9e4066Sahrens sizeof (uint64_t)); 2029*fa9e4066Sahrens dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, 2); 2030*fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2031*fa9e4066Sahrens if (error) { 2032*fa9e4066Sahrens ztest_record_enospc("create zap test obj"); 2033*fa9e4066Sahrens dmu_tx_abort(tx); 2034*fa9e4066Sahrens return; 2035*fa9e4066Sahrens } 2036*fa9e4066Sahrens object = zap_create(os, DMU_OT_ZAP_OTHER, DMU_OT_NONE, 0, tx); 2037*fa9e4066Sahrens if (error) { 2038*fa9e4066Sahrens fatal(0, "zap_create('%s', %llu) = %d", 2039*fa9e4066Sahrens osname, object, error); 2040*fa9e4066Sahrens } 2041*fa9e4066Sahrens ASSERT(object != 0); 2042*fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, 2043*fa9e4066Sahrens sizeof (uint64_t), &object, tx); 2044*fa9e4066Sahrens /* 2045*fa9e4066Sahrens * Generate a known hash collision, and verify that 2046*fa9e4066Sahrens * we can lookup and remove both entries. 2047*fa9e4066Sahrens */ 2048*fa9e4066Sahrens for (i = 0; i < 2; i++) { 2049*fa9e4066Sahrens value[i] = i; 2050*fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2051*fa9e4066Sahrens 1, &value[i], tx); 2052*fa9e4066Sahrens ASSERT3U(error, ==, 0); 2053*fa9e4066Sahrens } 2054*fa9e4066Sahrens for (i = 0; i < 2; i++) { 2055*fa9e4066Sahrens error = zap_add(os, object, hc[i], sizeof (uint64_t), 2056*fa9e4066Sahrens 1, &value[i], tx); 2057*fa9e4066Sahrens ASSERT3U(error, ==, EEXIST); 2058*fa9e4066Sahrens error = zap_length(os, object, hc[i], 2059*fa9e4066Sahrens &zl_intsize, &zl_ints); 2060*fa9e4066Sahrens ASSERT3U(error, ==, 0); 2061*fa9e4066Sahrens ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2062*fa9e4066Sahrens ASSERT3U(zl_ints, ==, 1); 2063*fa9e4066Sahrens } 2064*fa9e4066Sahrens for (i = 0; i < 2; i++) { 2065*fa9e4066Sahrens error = zap_remove(os, object, hc[i], tx); 2066*fa9e4066Sahrens ASSERT3U(error, ==, 0); 2067*fa9e4066Sahrens } 2068*fa9e4066Sahrens 2069*fa9e4066Sahrens dmu_tx_commit(tx); 2070*fa9e4066Sahrens } 2071*fa9e4066Sahrens 2072*fa9e4066Sahrens ints = MAX(ZTEST_ZAP_MIN_INTS, object % ZTEST_ZAP_MAX_INTS); 2073*fa9e4066Sahrens 2074*fa9e4066Sahrens while (--iters >= 0) { 2075*fa9e4066Sahrens prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2076*fa9e4066Sahrens (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2077*fa9e4066Sahrens (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2078*fa9e4066Sahrens bzero(value, sizeof (value)); 2079*fa9e4066Sahrens last_txg = 0; 2080*fa9e4066Sahrens 2081*fa9e4066Sahrens /* 2082*fa9e4066Sahrens * If these zap entries already exist, validate their contents. 2083*fa9e4066Sahrens */ 2084*fa9e4066Sahrens error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2085*fa9e4066Sahrens if (error == 0) { 2086*fa9e4066Sahrens ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2087*fa9e4066Sahrens ASSERT3U(zl_ints, ==, 1); 2088*fa9e4066Sahrens 2089*fa9e4066Sahrens error = zap_lookup(os, object, txgname, zl_intsize, 2090*fa9e4066Sahrens zl_ints, &last_txg); 2091*fa9e4066Sahrens 2092*fa9e4066Sahrens ASSERT3U(error, ==, 0); 2093*fa9e4066Sahrens 2094*fa9e4066Sahrens error = zap_length(os, object, propname, &zl_intsize, 2095*fa9e4066Sahrens &zl_ints); 2096*fa9e4066Sahrens 2097*fa9e4066Sahrens ASSERT3U(error, ==, 0); 2098*fa9e4066Sahrens ASSERT3U(zl_intsize, ==, sizeof (uint64_t)); 2099*fa9e4066Sahrens ASSERT3U(zl_ints, ==, ints); 2100*fa9e4066Sahrens 2101*fa9e4066Sahrens error = zap_lookup(os, object, propname, zl_intsize, 2102*fa9e4066Sahrens zl_ints, value); 2103*fa9e4066Sahrens 2104*fa9e4066Sahrens ASSERT3U(error, ==, 0); 2105*fa9e4066Sahrens 2106*fa9e4066Sahrens for (i = 0; i < ints; i++) { 2107*fa9e4066Sahrens ASSERT3U(value[i], ==, last_txg + object + i); 2108*fa9e4066Sahrens } 2109*fa9e4066Sahrens } else { 2110*fa9e4066Sahrens ASSERT3U(error, ==, ENOENT); 2111*fa9e4066Sahrens } 2112*fa9e4066Sahrens 2113*fa9e4066Sahrens /* 2114*fa9e4066Sahrens * Atomically update two entries in our zap object. 2115*fa9e4066Sahrens * The first is named txg_%llu, and contains the txg 2116*fa9e4066Sahrens * in which the property was last updated. The second 2117*fa9e4066Sahrens * is named prop_%llu, and the nth element of its value 2118*fa9e4066Sahrens * should be txg + object + n. 2119*fa9e4066Sahrens */ 2120*fa9e4066Sahrens tx = dmu_tx_create(os); 2121*fa9e4066Sahrens dmu_tx_hold_zap(tx, object, 2); 2122*fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2123*fa9e4066Sahrens if (error) { 2124*fa9e4066Sahrens ztest_record_enospc("create zap entry"); 2125*fa9e4066Sahrens dmu_tx_abort(tx); 2126*fa9e4066Sahrens return; 2127*fa9e4066Sahrens } 2128*fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 2129*fa9e4066Sahrens 2130*fa9e4066Sahrens if (last_txg > txg) 2131*fa9e4066Sahrens fatal(0, "zap future leak: old %llu new %llu", 2132*fa9e4066Sahrens last_txg, txg); 2133*fa9e4066Sahrens 2134*fa9e4066Sahrens for (i = 0; i < ints; i++) 2135*fa9e4066Sahrens value[i] = txg + object + i; 2136*fa9e4066Sahrens 2137*fa9e4066Sahrens error = zap_update(os, object, txgname, sizeof (uint64_t), 2138*fa9e4066Sahrens 1, &txg, tx); 2139*fa9e4066Sahrens if (error) 2140*fa9e4066Sahrens fatal(0, "zap_update('%s', %llu, '%s') = %d", 2141*fa9e4066Sahrens osname, object, txgname, error); 2142*fa9e4066Sahrens 2143*fa9e4066Sahrens error = zap_update(os, object, propname, sizeof (uint64_t), 2144*fa9e4066Sahrens ints, value, tx); 2145*fa9e4066Sahrens if (error) 2146*fa9e4066Sahrens fatal(0, "zap_update('%s', %llu, '%s') = %d", 2147*fa9e4066Sahrens osname, object, propname, error); 2148*fa9e4066Sahrens 2149*fa9e4066Sahrens dmu_tx_commit(tx); 2150*fa9e4066Sahrens 2151*fa9e4066Sahrens /* 2152*fa9e4066Sahrens * Remove a random pair of entries. 2153*fa9e4066Sahrens */ 2154*fa9e4066Sahrens prop = ztest_random(ZTEST_ZAP_MAX_PROPS); 2155*fa9e4066Sahrens (void) sprintf(propname, "prop_%llu", (u_longlong_t)prop); 2156*fa9e4066Sahrens (void) sprintf(txgname, "txg_%llu", (u_longlong_t)prop); 2157*fa9e4066Sahrens 2158*fa9e4066Sahrens error = zap_length(os, object, txgname, &zl_intsize, &zl_ints); 2159*fa9e4066Sahrens 2160*fa9e4066Sahrens if (error == ENOENT) 2161*fa9e4066Sahrens continue; 2162*fa9e4066Sahrens 2163*fa9e4066Sahrens ASSERT3U(error, ==, 0); 2164*fa9e4066Sahrens 2165*fa9e4066Sahrens tx = dmu_tx_create(os); 2166*fa9e4066Sahrens dmu_tx_hold_zap(tx, object, 2); 2167*fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2168*fa9e4066Sahrens if (error) { 2169*fa9e4066Sahrens ztest_record_enospc("remove zap entry"); 2170*fa9e4066Sahrens dmu_tx_abort(tx); 2171*fa9e4066Sahrens return; 2172*fa9e4066Sahrens } 2173*fa9e4066Sahrens error = zap_remove(os, object, txgname, tx); 2174*fa9e4066Sahrens if (error) 2175*fa9e4066Sahrens fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2176*fa9e4066Sahrens osname, object, txgname, error); 2177*fa9e4066Sahrens 2178*fa9e4066Sahrens error = zap_remove(os, object, propname, tx); 2179*fa9e4066Sahrens if (error) 2180*fa9e4066Sahrens fatal(0, "zap_remove('%s', %llu, '%s') = %d", 2181*fa9e4066Sahrens osname, object, propname, error); 2182*fa9e4066Sahrens 2183*fa9e4066Sahrens dmu_tx_commit(tx); 2184*fa9e4066Sahrens } 2185*fa9e4066Sahrens 2186*fa9e4066Sahrens /* 2187*fa9e4066Sahrens * Once in a while, destroy the object. 2188*fa9e4066Sahrens */ 2189*fa9e4066Sahrens if (ztest_random(100) != 0) 2190*fa9e4066Sahrens return; 2191*fa9e4066Sahrens 2192*fa9e4066Sahrens tx = dmu_tx_create(os); 2193*fa9e4066Sahrens dmu_tx_hold_write(tx, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t)); 2194*fa9e4066Sahrens dmu_tx_hold_free(tx, object, 0, DMU_OBJECT_END); 2195*fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2196*fa9e4066Sahrens if (error) { 2197*fa9e4066Sahrens ztest_record_enospc("destroy zap object"); 2198*fa9e4066Sahrens dmu_tx_abort(tx); 2199*fa9e4066Sahrens return; 2200*fa9e4066Sahrens } 2201*fa9e4066Sahrens error = zap_destroy(os, object, tx); 2202*fa9e4066Sahrens if (error) 2203*fa9e4066Sahrens fatal(0, "zap_destroy('%s', %llu) = %d", 2204*fa9e4066Sahrens osname, object, error); 2205*fa9e4066Sahrens object = 0; 2206*fa9e4066Sahrens dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), 2207*fa9e4066Sahrens &object, tx); 2208*fa9e4066Sahrens dmu_tx_commit(tx); 2209*fa9e4066Sahrens } 2210*fa9e4066Sahrens 2211*fa9e4066Sahrens void 2212*fa9e4066Sahrens ztest_zap_parallel(ztest_args_t *za) 2213*fa9e4066Sahrens { 2214*fa9e4066Sahrens objset_t *os = za->za_os; 2215*fa9e4066Sahrens uint64_t txg, object, count, wsize, wc, zl_wsize, zl_wc; 2216*fa9e4066Sahrens int iters = 100; 2217*fa9e4066Sahrens dmu_tx_t *tx; 2218*fa9e4066Sahrens int i, namelen, error; 2219*fa9e4066Sahrens char name[20], string_value[20]; 2220*fa9e4066Sahrens void *data; 2221*fa9e4066Sahrens 2222*fa9e4066Sahrens while (--iters >= 0) { 2223*fa9e4066Sahrens /* 2224*fa9e4066Sahrens * Generate a random name of the form 'xxx.....' where each 2225*fa9e4066Sahrens * x is a random printable character and the dots are dots. 2226*fa9e4066Sahrens * There are 94 such characters, and the name length goes from 2227*fa9e4066Sahrens * 6 to 20, so there are 94^3 * 15 = 12,458,760 possible names. 2228*fa9e4066Sahrens */ 2229*fa9e4066Sahrens namelen = ztest_random(sizeof (name) - 5) + 5 + 1; 2230*fa9e4066Sahrens 2231*fa9e4066Sahrens for (i = 0; i < 3; i++) 2232*fa9e4066Sahrens name[i] = '!' + ztest_random('~' - '!' + 1); 2233*fa9e4066Sahrens for (; i < namelen - 1; i++) 2234*fa9e4066Sahrens name[i] = '.'; 2235*fa9e4066Sahrens name[i] = '\0'; 2236*fa9e4066Sahrens 2237*fa9e4066Sahrens if (ztest_random(2) == 0) 2238*fa9e4066Sahrens object = ZTEST_MICROZAP_OBJ; 2239*fa9e4066Sahrens else 2240*fa9e4066Sahrens object = ZTEST_FATZAP_OBJ; 2241*fa9e4066Sahrens 2242*fa9e4066Sahrens if ((namelen & 1) || object == ZTEST_MICROZAP_OBJ) { 2243*fa9e4066Sahrens wsize = sizeof (txg); 2244*fa9e4066Sahrens wc = 1; 2245*fa9e4066Sahrens data = &txg; 2246*fa9e4066Sahrens } else { 2247*fa9e4066Sahrens wsize = 1; 2248*fa9e4066Sahrens wc = namelen; 2249*fa9e4066Sahrens data = string_value; 2250*fa9e4066Sahrens } 2251*fa9e4066Sahrens 2252*fa9e4066Sahrens count = -1ULL; 2253*fa9e4066Sahrens VERIFY(zap_count(os, object, &count) == 0); 2254*fa9e4066Sahrens ASSERT(count != -1ULL); 2255*fa9e4066Sahrens 2256*fa9e4066Sahrens /* 2257*fa9e4066Sahrens * Select an operation: length, lookup, add, update, remove. 2258*fa9e4066Sahrens */ 2259*fa9e4066Sahrens i = ztest_random(5); 2260*fa9e4066Sahrens 2261*fa9e4066Sahrens if (i >= 2) { 2262*fa9e4066Sahrens tx = dmu_tx_create(os); 2263*fa9e4066Sahrens dmu_tx_hold_zap(tx, object, 1); 2264*fa9e4066Sahrens error = dmu_tx_assign(tx, TXG_WAIT); 2265*fa9e4066Sahrens if (error) { 2266*fa9e4066Sahrens ztest_record_enospc("zap parallel"); 2267*fa9e4066Sahrens dmu_tx_abort(tx); 2268*fa9e4066Sahrens return; 2269*fa9e4066Sahrens } 2270*fa9e4066Sahrens txg = dmu_tx_get_txg(tx); 2271*fa9e4066Sahrens bcopy(name, string_value, namelen); 2272*fa9e4066Sahrens } else { 2273*fa9e4066Sahrens tx = NULL; 2274*fa9e4066Sahrens txg = 0; 2275*fa9e4066Sahrens bzero(string_value, namelen); 2276*fa9e4066Sahrens } 2277*fa9e4066Sahrens 2278*fa9e4066Sahrens switch (i) { 2279*fa9e4066Sahrens 2280*fa9e4066Sahrens case 0: 2281*fa9e4066Sahrens error = zap_length(os, object, name, &zl_wsize, &zl_wc); 2282*fa9e4066Sahrens if (error == 0) { 2283*fa9e4066Sahrens ASSERT3U(wsize, ==, zl_wsize); 2284*fa9e4066Sahrens ASSERT3U(wc, ==, zl_wc); 2285*fa9e4066Sahrens } else { 2286*fa9e4066Sahrens ASSERT3U(error, ==, ENOENT); 2287*fa9e4066Sahrens } 2288*fa9e4066Sahrens break; 2289*fa9e4066Sahrens 2290*fa9e4066Sahrens case 1: 2291*fa9e4066Sahrens error = zap_lookup(os, object, name, wsize, wc, data); 2292*fa9e4066Sahrens if (error == 0) { 2293*fa9e4066Sahrens if (data == string_value && 2294*fa9e4066Sahrens bcmp(name, data, namelen) != 0) 2295*fa9e4066Sahrens fatal(0, "name '%s' != val '%s' len %d", 2296*fa9e4066Sahrens name, data, namelen); 2297*fa9e4066Sahrens } else { 2298*fa9e4066Sahrens ASSERT3U(error, ==, ENOENT); 2299*fa9e4066Sahrens } 2300*fa9e4066Sahrens break; 2301*fa9e4066Sahrens 2302*fa9e4066Sahrens case 2: 2303*fa9e4066Sahrens error = zap_add(os, object, name, wsize, wc, data, tx); 2304*fa9e4066Sahrens ASSERT(error == 0 || error == EEXIST); 2305*fa9e4066Sahrens break; 2306*fa9e4066Sahrens 2307*fa9e4066Sahrens case 3: 2308*fa9e4066Sahrens VERIFY(zap_update(os, object, name, wsize, wc, 2309*fa9e4066Sahrens data, tx) == 0); 2310*fa9e4066Sahrens break; 2311*fa9e4066Sahrens 2312*fa9e4066Sahrens case 4: 2313*fa9e4066Sahrens error = zap_remove(os, object, name, tx); 2314*fa9e4066Sahrens ASSERT(error == 0 || error == ENOENT); 2315*fa9e4066Sahrens break; 2316*fa9e4066Sahrens } 2317*fa9e4066Sahrens 2318*fa9e4066Sahrens if (tx != NULL) 2319*fa9e4066Sahrens dmu_tx_commit(tx); 2320*fa9e4066Sahrens } 2321*fa9e4066Sahrens } 2322*fa9e4066Sahrens 2323*fa9e4066Sahrens void 2324*fa9e4066Sahrens ztest_dsl_prop_get_set(ztest_args_t *za) 2325*fa9e4066Sahrens { 2326*fa9e4066Sahrens objset_t *os = za->za_os; 2327*fa9e4066Sahrens int i, inherit; 2328*fa9e4066Sahrens uint64_t value; 2329*fa9e4066Sahrens const char *prop, *valname; 2330*fa9e4066Sahrens char setpoint[MAXPATHLEN]; 2331*fa9e4066Sahrens char osname[MAXNAMELEN]; 2332*fa9e4066Sahrens 2333*fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 2334*fa9e4066Sahrens 2335*fa9e4066Sahrens dmu_objset_name(os, osname); 2336*fa9e4066Sahrens 2337*fa9e4066Sahrens for (i = 0; i < 2; i++) { 2338*fa9e4066Sahrens if (i == 0) { 2339*fa9e4066Sahrens prop = "checksum"; 2340*fa9e4066Sahrens value = ztest_random_checksum(); 2341*fa9e4066Sahrens inherit = (value == ZIO_CHECKSUM_INHERIT); 2342*fa9e4066Sahrens } else { 2343*fa9e4066Sahrens prop = "compression"; 2344*fa9e4066Sahrens value = ztest_random_compress(); 2345*fa9e4066Sahrens inherit = (value == ZIO_COMPRESS_INHERIT); 2346*fa9e4066Sahrens } 2347*fa9e4066Sahrens 2348*fa9e4066Sahrens VERIFY3U(dsl_prop_set(osname, prop, sizeof (value), 2349*fa9e4066Sahrens !inherit, &value), ==, 0); 2350*fa9e4066Sahrens 2351*fa9e4066Sahrens VERIFY3U(dsl_prop_get(osname, prop, sizeof (value), 2352*fa9e4066Sahrens 1, &value, setpoint), ==, 0); 2353*fa9e4066Sahrens 2354*fa9e4066Sahrens if (i == 0) 2355*fa9e4066Sahrens valname = zio_checksum_table[value].ci_name; 2356*fa9e4066Sahrens else 2357*fa9e4066Sahrens valname = zio_compress_table[value].ci_name; 2358*fa9e4066Sahrens 2359*fa9e4066Sahrens if (zopt_verbose >= 6) { 2360*fa9e4066Sahrens (void) printf("%s %s = %s for '%s'\n", 2361*fa9e4066Sahrens osname, prop, valname, setpoint); 2362*fa9e4066Sahrens } 2363*fa9e4066Sahrens } 2364*fa9e4066Sahrens 2365*fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 2366*fa9e4066Sahrens } 2367*fa9e4066Sahrens 2368*fa9e4066Sahrens /* 2369*fa9e4066Sahrens * Inject random faults into the on-disk data. 2370*fa9e4066Sahrens */ 2371*fa9e4066Sahrens void 2372*fa9e4066Sahrens ztest_fault_inject(ztest_args_t *za) 2373*fa9e4066Sahrens { 2374*fa9e4066Sahrens int fd; 2375*fa9e4066Sahrens uint64_t offset; 2376*fa9e4066Sahrens uint64_t leaves = MAX(zopt_mirrors, 1) * zopt_raidz; 2377*fa9e4066Sahrens uint64_t bad = 0x1990c0ffeedecade; 2378*fa9e4066Sahrens uint64_t top, leaf; 2379*fa9e4066Sahrens char path0[MAXPATHLEN]; 2380*fa9e4066Sahrens char path1[MAXPATHLEN]; 2381*fa9e4066Sahrens char pathrand[MAXPATHLEN]; 2382*fa9e4066Sahrens size_t fsize; 2383*fa9e4066Sahrens spa_t *spa = dmu_objset_spa(za->za_os); 2384*fa9e4066Sahrens int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */ 2385*fa9e4066Sahrens int iters = 1000; 2386*fa9e4066Sahrens int ftype; 2387*fa9e4066Sahrens 2388*fa9e4066Sahrens /* 2389*fa9e4066Sahrens * Pick a random top-level vdev. 2390*fa9e4066Sahrens */ 2391*fa9e4066Sahrens spa_config_enter(spa, RW_READER); 2392*fa9e4066Sahrens top = ztest_random(spa->spa_root_vdev->vdev_children); 2393*fa9e4066Sahrens spa_config_exit(spa); 2394*fa9e4066Sahrens 2395*fa9e4066Sahrens /* 2396*fa9e4066Sahrens * Pick a random leaf. 2397*fa9e4066Sahrens */ 2398*fa9e4066Sahrens leaf = ztest_random(leaves); 2399*fa9e4066Sahrens 2400*fa9e4066Sahrens /* 2401*fa9e4066Sahrens * Generate paths to the first to leaves in this top-level vdev, 2402*fa9e4066Sahrens * and to the random leaf we selected. We'll induce transient 2403*fa9e4066Sahrens * faults on leaves 0 and 1, we'll online/offline leaf 1, 2404*fa9e4066Sahrens * and we'll write random garbage to the randomly chosen leaf. 2405*fa9e4066Sahrens */ 2406*fa9e4066Sahrens (void) snprintf(path0, sizeof (path0), 2407*fa9e4066Sahrens ztest_dev_template, zopt_dir, zopt_pool, top * leaves + 0); 2408*fa9e4066Sahrens (void) snprintf(path1, sizeof (path1), 2409*fa9e4066Sahrens ztest_dev_template, zopt_dir, zopt_pool, top * leaves + 1); 2410*fa9e4066Sahrens (void) snprintf(pathrand, sizeof (pathrand), 2411*fa9e4066Sahrens ztest_dev_template, zopt_dir, zopt_pool, top * leaves + leaf); 2412*fa9e4066Sahrens 2413*fa9e4066Sahrens if (leaves < 2) /* there is no second leaf */ 2414*fa9e4066Sahrens path1[0] = '\0'; 2415*fa9e4066Sahrens 2416*fa9e4066Sahrens dprintf("damaging %s, %s, and %s\n", path0, path1, pathrand); 2417*fa9e4066Sahrens 2418*fa9e4066Sahrens /* 2419*fa9e4066Sahrens * If we have exactly one-fault tolerance, just randomly offline 2420*fa9e4066Sahrens * and online one device. 2421*fa9e4066Sahrens */ 2422*fa9e4066Sahrens if (zopt_maxfaults == 1 && path1[0] != '\0') { 2423*fa9e4066Sahrens if (ztest_random(10) < 6) 2424*fa9e4066Sahrens (void) vdev_offline(spa, path1); 2425*fa9e4066Sahrens else 2426*fa9e4066Sahrens (void) vdev_online(spa, path1); 2427*fa9e4066Sahrens return; 2428*fa9e4066Sahrens } 2429*fa9e4066Sahrens 2430*fa9e4066Sahrens /* 2431*fa9e4066Sahrens * Always inject a little random device failure, regardless of 2432*fa9e4066Sahrens * the replication level. The I/Os should be retried successfully. 2433*fa9e4066Sahrens * If we only have single-fault tolerance, don't inject write 2434*fa9e4066Sahrens * faults, because then we'll be doing partial writes and won't 2435*fa9e4066Sahrens * be able to recover when we inject data corruption. 2436*fa9e4066Sahrens */ 2437*fa9e4066Sahrens if (zopt_maxfaults <= 1) 2438*fa9e4066Sahrens ftype = (1U << ZIO_TYPE_READ); 2439*fa9e4066Sahrens else 2440*fa9e4066Sahrens ftype = (1U << ZIO_TYPE_READ) | (1U << ZIO_TYPE_WRITE); 2441*fa9e4066Sahrens 2442*fa9e4066Sahrens (void) vdev_error_setup(spa, path0, VDEV_FAULT_COUNT, ftype, 10); 2443*fa9e4066Sahrens 2444*fa9e4066Sahrens /* 2445*fa9e4066Sahrens * If we can tolerate three or more faults, make one of the 2446*fa9e4066Sahrens * devices fail quite a lot. 2447*fa9e4066Sahrens */ 2448*fa9e4066Sahrens if (zopt_maxfaults >= 3 && path1[0] != '\0') 2449*fa9e4066Sahrens (void) vdev_error_setup(spa, path1, VDEV_FAULT_COUNT, 2450*fa9e4066Sahrens ftype, 100); 2451*fa9e4066Sahrens 2452*fa9e4066Sahrens /* 2453*fa9e4066Sahrens * If we can tolerate four or more faults, offline one of the devices. 2454*fa9e4066Sahrens */ 2455*fa9e4066Sahrens if (zopt_maxfaults >= 4 && path1[0] != '\0') { 2456*fa9e4066Sahrens if (ztest_random(10) < 6) 2457*fa9e4066Sahrens (void) vdev_offline(spa, path1); 2458*fa9e4066Sahrens else 2459*fa9e4066Sahrens (void) vdev_online(spa, path1); 2460*fa9e4066Sahrens } 2461*fa9e4066Sahrens 2462*fa9e4066Sahrens /* 2463*fa9e4066Sahrens * If we have at least single-fault tolerance, inject data corruption. 2464*fa9e4066Sahrens */ 2465*fa9e4066Sahrens if (zopt_maxfaults < 1) 2466*fa9e4066Sahrens return; 2467*fa9e4066Sahrens 2468*fa9e4066Sahrens fd = open(pathrand, O_RDWR); 2469*fa9e4066Sahrens 2470*fa9e4066Sahrens if (fd == -1) /* we hit a gap in the device namespace */ 2471*fa9e4066Sahrens return; 2472*fa9e4066Sahrens 2473*fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 2474*fa9e4066Sahrens 2475*fa9e4066Sahrens while (--iters != 0) { 2476*fa9e4066Sahrens offset = ztest_random(fsize / (leaves << bshift)) * 2477*fa9e4066Sahrens (leaves << bshift) + (leaf << bshift) + 2478*fa9e4066Sahrens (ztest_random(1ULL << (bshift - 1)) & -8ULL); 2479*fa9e4066Sahrens 2480*fa9e4066Sahrens if (offset >= fsize) 2481*fa9e4066Sahrens continue; 2482*fa9e4066Sahrens 2483*fa9e4066Sahrens if (zopt_verbose >= 6) 2484*fa9e4066Sahrens (void) printf("injecting bad word into %s," 2485*fa9e4066Sahrens " offset 0x%llx\n", pathrand, (u_longlong_t)offset); 2486*fa9e4066Sahrens 2487*fa9e4066Sahrens if (pwrite(fd, &bad, sizeof (bad), offset) != sizeof (bad)) 2488*fa9e4066Sahrens fatal(1, "can't inject bad word at 0x%llx in %s", 2489*fa9e4066Sahrens offset, pathrand); 2490*fa9e4066Sahrens } 2491*fa9e4066Sahrens 2492*fa9e4066Sahrens (void) close(fd); 2493*fa9e4066Sahrens } 2494*fa9e4066Sahrens 2495*fa9e4066Sahrens static void 2496*fa9e4066Sahrens ztest_error_setup(vdev_t *vd, int mode, int mask, uint64_t arg) 2497*fa9e4066Sahrens { 2498*fa9e4066Sahrens int c; 2499*fa9e4066Sahrens 2500*fa9e4066Sahrens for (c = 0; c < vd->vdev_children; c++) 2501*fa9e4066Sahrens ztest_error_setup(vd->vdev_child[c], mode, mask, arg); 2502*fa9e4066Sahrens 2503*fa9e4066Sahrens if (vd->vdev_path != NULL) 2504*fa9e4066Sahrens (void) vdev_error_setup(vd->vdev_spa, vd->vdev_path, 2505*fa9e4066Sahrens mode, mask, arg); 2506*fa9e4066Sahrens } 2507*fa9e4066Sahrens 2508*fa9e4066Sahrens /* 2509*fa9e4066Sahrens * Scrub the pool. 2510*fa9e4066Sahrens */ 2511*fa9e4066Sahrens void 2512*fa9e4066Sahrens ztest_scrub(ztest_args_t *za) 2513*fa9e4066Sahrens { 2514*fa9e4066Sahrens spa_t *spa = dmu_objset_spa(za->za_os); 2515*fa9e4066Sahrens 2516*fa9e4066Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING, B_FALSE); 2517*fa9e4066Sahrens (void) poll(NULL, 0, 1000); /* wait a second, then force a restart */ 2518*fa9e4066Sahrens (void) spa_scrub(spa, POOL_SCRUB_EVERYTHING, B_FALSE); 2519*fa9e4066Sahrens } 2520*fa9e4066Sahrens 2521*fa9e4066Sahrens /* 2522*fa9e4066Sahrens * Rename the pool to a different name and then rename it back. 2523*fa9e4066Sahrens */ 2524*fa9e4066Sahrens void 2525*fa9e4066Sahrens ztest_spa_rename(ztest_args_t *za) 2526*fa9e4066Sahrens { 2527*fa9e4066Sahrens char *oldname, *newname; 2528*fa9e4066Sahrens int error; 2529*fa9e4066Sahrens spa_t *spa; 2530*fa9e4066Sahrens 2531*fa9e4066Sahrens (void) rw_wrlock(&ztest_shared->zs_name_lock); 2532*fa9e4066Sahrens 2533*fa9e4066Sahrens oldname = za->za_pool; 2534*fa9e4066Sahrens newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL); 2535*fa9e4066Sahrens (void) strcpy(newname, oldname); 2536*fa9e4066Sahrens (void) strcat(newname, "_tmp"); 2537*fa9e4066Sahrens 2538*fa9e4066Sahrens /* 2539*fa9e4066Sahrens * Do the rename 2540*fa9e4066Sahrens */ 2541*fa9e4066Sahrens error = spa_rename(oldname, newname); 2542*fa9e4066Sahrens if (error) 2543*fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", oldname, 2544*fa9e4066Sahrens newname, error); 2545*fa9e4066Sahrens 2546*fa9e4066Sahrens /* 2547*fa9e4066Sahrens * Try to open it under the old name, which shouldn't exist 2548*fa9e4066Sahrens */ 2549*fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2550*fa9e4066Sahrens if (error != ENOENT) 2551*fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 2552*fa9e4066Sahrens 2553*fa9e4066Sahrens /* 2554*fa9e4066Sahrens * Open it under the new name and make sure it's still the same spa_t. 2555*fa9e4066Sahrens */ 2556*fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 2557*fa9e4066Sahrens if (error != 0) 2558*fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 2559*fa9e4066Sahrens 2560*fa9e4066Sahrens ASSERT(spa == dmu_objset_spa(za->za_os)); 2561*fa9e4066Sahrens spa_close(spa, FTAG); 2562*fa9e4066Sahrens 2563*fa9e4066Sahrens /* 2564*fa9e4066Sahrens * Rename it back to the original 2565*fa9e4066Sahrens */ 2566*fa9e4066Sahrens error = spa_rename(newname, oldname); 2567*fa9e4066Sahrens if (error) 2568*fa9e4066Sahrens fatal(0, "spa_rename('%s', '%s') = %d", newname, 2569*fa9e4066Sahrens oldname, error); 2570*fa9e4066Sahrens 2571*fa9e4066Sahrens /* 2572*fa9e4066Sahrens * Make sure it can still be opened 2573*fa9e4066Sahrens */ 2574*fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2575*fa9e4066Sahrens if (error != 0) 2576*fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 2577*fa9e4066Sahrens 2578*fa9e4066Sahrens ASSERT(spa == dmu_objset_spa(za->za_os)); 2579*fa9e4066Sahrens spa_close(spa, FTAG); 2580*fa9e4066Sahrens 2581*fa9e4066Sahrens umem_free(newname, strlen(newname) + 1); 2582*fa9e4066Sahrens 2583*fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 2584*fa9e4066Sahrens } 2585*fa9e4066Sahrens 2586*fa9e4066Sahrens 2587*fa9e4066Sahrens /* 2588*fa9e4066Sahrens * Completely obliterate one disk. 2589*fa9e4066Sahrens */ 2590*fa9e4066Sahrens static void 2591*fa9e4066Sahrens ztest_obliterate_one_disk(uint64_t vdev) 2592*fa9e4066Sahrens { 2593*fa9e4066Sahrens int fd; 2594*fa9e4066Sahrens char dev_name[MAXPATHLEN]; 2595*fa9e4066Sahrens size_t fsize; 2596*fa9e4066Sahrens 2597*fa9e4066Sahrens if (zopt_maxfaults < 2) 2598*fa9e4066Sahrens return; 2599*fa9e4066Sahrens 2600*fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 2601*fa9e4066Sahrens 2602*fa9e4066Sahrens fd = open(dev_name, O_RDWR); 2603*fa9e4066Sahrens 2604*fa9e4066Sahrens if (fd == -1) 2605*fa9e4066Sahrens fatal(1, "can't open %s", dev_name); 2606*fa9e4066Sahrens 2607*fa9e4066Sahrens /* 2608*fa9e4066Sahrens * Determine the size. 2609*fa9e4066Sahrens */ 2610*fa9e4066Sahrens fsize = lseek(fd, 0, SEEK_END); 2611*fa9e4066Sahrens (void) close(fd); 2612*fa9e4066Sahrens 2613*fa9e4066Sahrens /* 2614*fa9e4066Sahrens * Remove it. 2615*fa9e4066Sahrens */ 2616*fa9e4066Sahrens VERIFY(remove(dev_name) == 0); 2617*fa9e4066Sahrens 2618*fa9e4066Sahrens /* 2619*fa9e4066Sahrens * Create a new one. 2620*fa9e4066Sahrens */ 2621*fa9e4066Sahrens VERIFY((fd = open(dev_name, O_RDWR | O_CREAT | O_TRUNC, 0666)) >= 0); 2622*fa9e4066Sahrens VERIFY(ftruncate(fd, fsize) == 0); 2623*fa9e4066Sahrens (void) close(fd); 2624*fa9e4066Sahrens } 2625*fa9e4066Sahrens 2626*fa9e4066Sahrens static void 2627*fa9e4066Sahrens ztest_replace_one_disk(spa_t *spa, uint64_t vdev) 2628*fa9e4066Sahrens { 2629*fa9e4066Sahrens char dev_name[MAXPATHLEN]; 2630*fa9e4066Sahrens nvlist_t *file, *root; 2631*fa9e4066Sahrens int error; 2632*fa9e4066Sahrens 2633*fa9e4066Sahrens (void) sprintf(dev_name, ztest_dev_template, zopt_dir, zopt_pool, vdev); 2634*fa9e4066Sahrens 2635*fa9e4066Sahrens /* 2636*fa9e4066Sahrens * Build the nvlist describing dev_name. 2637*fa9e4066Sahrens */ 2638*fa9e4066Sahrens VERIFY(nvlist_alloc(&file, NV_UNIQUE_NAME, 0) == 0); 2639*fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_TYPE, VDEV_TYPE_FILE) == 0); 2640*fa9e4066Sahrens VERIFY(nvlist_add_string(file, ZPOOL_CONFIG_PATH, dev_name) == 0); 2641*fa9e4066Sahrens 2642*fa9e4066Sahrens VERIFY(nvlist_alloc(&root, NV_UNIQUE_NAME, 0) == 0); 2643*fa9e4066Sahrens VERIFY(nvlist_add_string(root, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) == 0); 2644*fa9e4066Sahrens VERIFY(nvlist_add_nvlist_array(root, ZPOOL_CONFIG_CHILDREN, 2645*fa9e4066Sahrens &file, 1) == 0); 2646*fa9e4066Sahrens 2647*fa9e4066Sahrens error = spa_vdev_attach(spa, dev_name, root, B_TRUE); 2648*fa9e4066Sahrens if (error != 0 && error != EBUSY && error != ENOTSUP && error != ENODEV) 2649*fa9e4066Sahrens fatal(0, "spa_vdev_attach(in-place) = %d", error); 2650*fa9e4066Sahrens 2651*fa9e4066Sahrens nvlist_free(file); 2652*fa9e4066Sahrens nvlist_free(root); 2653*fa9e4066Sahrens } 2654*fa9e4066Sahrens 2655*fa9e4066Sahrens static void 2656*fa9e4066Sahrens ztest_verify_blocks(char *pool) 2657*fa9e4066Sahrens { 2658*fa9e4066Sahrens int status; 2659*fa9e4066Sahrens char zdb[MAXPATHLEN + MAXNAMELEN + 20]; 2660*fa9e4066Sahrens char zbuf[1024]; 2661*fa9e4066Sahrens char *bin; 2662*fa9e4066Sahrens FILE *fp; 2663*fa9e4066Sahrens 2664*fa9e4066Sahrens (void) realpath(getexecname(), zdb); 2665*fa9e4066Sahrens 2666*fa9e4066Sahrens /* zdb lives in /usr/sbin, while ztest lives in /usr/bin */ 2667*fa9e4066Sahrens bin = strstr(zdb, "/usr/bin/"); 2668*fa9e4066Sahrens /* LINTED */ 2669*fa9e4066Sahrens (void) sprintf(bin, "/usr/sbin/zdb -bc%s%s -U -O %s %s", 2670*fa9e4066Sahrens zopt_verbose >= 3 ? "s" : "", 2671*fa9e4066Sahrens zopt_verbose >= 4 ? "v" : "", 2672*fa9e4066Sahrens ztest_random(2) == 0 ? "pre" : "post", pool); 2673*fa9e4066Sahrens 2674*fa9e4066Sahrens if (zopt_verbose >= 5) 2675*fa9e4066Sahrens (void) printf("Executing %s\n", strstr(zdb, "zdb ")); 2676*fa9e4066Sahrens 2677*fa9e4066Sahrens fp = popen(zdb, "r"); 2678*fa9e4066Sahrens 2679*fa9e4066Sahrens while (fgets(zbuf, sizeof (zbuf), fp) != NULL) 2680*fa9e4066Sahrens if (zopt_verbose >= 3) 2681*fa9e4066Sahrens (void) printf("%s", zbuf); 2682*fa9e4066Sahrens 2683*fa9e4066Sahrens status = pclose(fp); 2684*fa9e4066Sahrens 2685*fa9e4066Sahrens if (status == 0) 2686*fa9e4066Sahrens return; 2687*fa9e4066Sahrens 2688*fa9e4066Sahrens ztest_dump_core = 0; 2689*fa9e4066Sahrens if (WIFEXITED(status)) 2690*fa9e4066Sahrens fatal(0, "'%s' exit code %d", zdb, WEXITSTATUS(status)); 2691*fa9e4066Sahrens else 2692*fa9e4066Sahrens fatal(0, "'%s' died with signal %d", zdb, WTERMSIG(status)); 2693*fa9e4066Sahrens } 2694*fa9e4066Sahrens 2695*fa9e4066Sahrens static void 2696*fa9e4066Sahrens ztest_walk_pool_directory(char *header) 2697*fa9e4066Sahrens { 2698*fa9e4066Sahrens spa_t *spa = NULL; 2699*fa9e4066Sahrens 2700*fa9e4066Sahrens if (zopt_verbose >= 6) 2701*fa9e4066Sahrens (void) printf("%s\n", header); 2702*fa9e4066Sahrens 2703*fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 2704*fa9e4066Sahrens while ((spa = spa_next(spa)) != NULL) 2705*fa9e4066Sahrens if (zopt_verbose >= 6) 2706*fa9e4066Sahrens (void) printf("\t%s\n", spa_name(spa)); 2707*fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 2708*fa9e4066Sahrens } 2709*fa9e4066Sahrens 2710*fa9e4066Sahrens static void 2711*fa9e4066Sahrens ztest_spa_import_export(char *oldname, char *newname) 2712*fa9e4066Sahrens { 2713*fa9e4066Sahrens nvlist_t *config; 2714*fa9e4066Sahrens uint64_t pool_guid; 2715*fa9e4066Sahrens spa_t *spa; 2716*fa9e4066Sahrens int error; 2717*fa9e4066Sahrens 2718*fa9e4066Sahrens if (zopt_verbose >= 4) { 2719*fa9e4066Sahrens (void) printf("import/export: old = %s, new = %s\n", 2720*fa9e4066Sahrens oldname, newname); 2721*fa9e4066Sahrens } 2722*fa9e4066Sahrens 2723*fa9e4066Sahrens /* 2724*fa9e4066Sahrens * Clean up from previous runs. 2725*fa9e4066Sahrens */ 2726*fa9e4066Sahrens (void) spa_destroy(newname); 2727*fa9e4066Sahrens 2728*fa9e4066Sahrens /* 2729*fa9e4066Sahrens * Get the pool's configuration and guid. 2730*fa9e4066Sahrens */ 2731*fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2732*fa9e4066Sahrens if (error) 2733*fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", oldname, error); 2734*fa9e4066Sahrens 2735*fa9e4066Sahrens ASSERT(spa->spa_config != NULL); 2736*fa9e4066Sahrens 2737*fa9e4066Sahrens VERIFY(nvlist_dup(spa->spa_config, &config, 0) == 0); 2738*fa9e4066Sahrens pool_guid = spa_guid(spa); 2739*fa9e4066Sahrens spa_close(spa, FTAG); 2740*fa9e4066Sahrens 2741*fa9e4066Sahrens ztest_walk_pool_directory("pools before export"); 2742*fa9e4066Sahrens 2743*fa9e4066Sahrens /* 2744*fa9e4066Sahrens * Export it. 2745*fa9e4066Sahrens */ 2746*fa9e4066Sahrens error = spa_export(oldname); 2747*fa9e4066Sahrens if (error) 2748*fa9e4066Sahrens fatal(0, "spa_export('%s') = %d", oldname, error); 2749*fa9e4066Sahrens 2750*fa9e4066Sahrens ztest_walk_pool_directory("pools after export"); 2751*fa9e4066Sahrens 2752*fa9e4066Sahrens /* 2753*fa9e4066Sahrens * Import it under the new name. 2754*fa9e4066Sahrens */ 2755*fa9e4066Sahrens error = spa_import(newname, config, NULL); 2756*fa9e4066Sahrens if (error) 2757*fa9e4066Sahrens fatal(0, "spa_import('%s') = %d", newname, error); 2758*fa9e4066Sahrens 2759*fa9e4066Sahrens ztest_walk_pool_directory("pools after import"); 2760*fa9e4066Sahrens 2761*fa9e4066Sahrens /* 2762*fa9e4066Sahrens * Try to import it again -- should fail with EEXIST. 2763*fa9e4066Sahrens */ 2764*fa9e4066Sahrens error = spa_import(newname, config, NULL); 2765*fa9e4066Sahrens if (error != EEXIST) 2766*fa9e4066Sahrens fatal(0, "spa_import('%s') twice", newname); 2767*fa9e4066Sahrens 2768*fa9e4066Sahrens /* 2769*fa9e4066Sahrens * Try to import it under a different name -- should fail with EEXIST. 2770*fa9e4066Sahrens */ 2771*fa9e4066Sahrens error = spa_import(oldname, config, NULL); 2772*fa9e4066Sahrens if (error != EEXIST) 2773*fa9e4066Sahrens fatal(0, "spa_import('%s') under multiple names", newname); 2774*fa9e4066Sahrens 2775*fa9e4066Sahrens /* 2776*fa9e4066Sahrens * Verify that the pool is no longer visible under the old name. 2777*fa9e4066Sahrens */ 2778*fa9e4066Sahrens error = spa_open(oldname, &spa, FTAG); 2779*fa9e4066Sahrens if (error != ENOENT) 2780*fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 2781*fa9e4066Sahrens 2782*fa9e4066Sahrens /* 2783*fa9e4066Sahrens * Verify that we can open and close the pool using the new name. 2784*fa9e4066Sahrens */ 2785*fa9e4066Sahrens error = spa_open(newname, &spa, FTAG); 2786*fa9e4066Sahrens if (error) 2787*fa9e4066Sahrens fatal(0, "spa_open('%s') = %d", newname, error); 2788*fa9e4066Sahrens ASSERT(pool_guid == spa_guid(spa)); 2789*fa9e4066Sahrens spa_close(spa, FTAG); 2790*fa9e4066Sahrens 2791*fa9e4066Sahrens nvlist_free(config); 2792*fa9e4066Sahrens } 2793*fa9e4066Sahrens 2794*fa9e4066Sahrens static void * 2795*fa9e4066Sahrens ztest_thread(void *arg) 2796*fa9e4066Sahrens { 2797*fa9e4066Sahrens ztest_args_t *za = arg; 2798*fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 2799*fa9e4066Sahrens hrtime_t now, functime; 2800*fa9e4066Sahrens ztest_info_t *zi; 2801*fa9e4066Sahrens int f; 2802*fa9e4066Sahrens 2803*fa9e4066Sahrens while ((now = gethrtime()) < za->za_stop) { 2804*fa9e4066Sahrens /* 2805*fa9e4066Sahrens * See if it's time to force a crash. 2806*fa9e4066Sahrens */ 2807*fa9e4066Sahrens if (now > za->za_kill) { 2808*fa9e4066Sahrens zs->zs_alloc = spa_get_alloc(dmu_objset_spa(za->za_os)); 2809*fa9e4066Sahrens zs->zs_space = spa_get_space(dmu_objset_spa(za->za_os)); 2810*fa9e4066Sahrens (void) kill(getpid(), SIGKILL); 2811*fa9e4066Sahrens } 2812*fa9e4066Sahrens 2813*fa9e4066Sahrens /* 2814*fa9e4066Sahrens * Pick a random function. 2815*fa9e4066Sahrens */ 2816*fa9e4066Sahrens f = ztest_random(ZTEST_FUNCS); 2817*fa9e4066Sahrens zi = &zs->zs_info[f]; 2818*fa9e4066Sahrens 2819*fa9e4066Sahrens /* 2820*fa9e4066Sahrens * Decide whether to call it, based on the requested frequency. 2821*fa9e4066Sahrens */ 2822*fa9e4066Sahrens if (zi->zi_call_target == 0 || 2823*fa9e4066Sahrens (double)zi->zi_call_total / zi->zi_call_target > 2824*fa9e4066Sahrens (double)(now - zs->zs_start_time) / (zopt_time * NANOSEC)) 2825*fa9e4066Sahrens continue; 2826*fa9e4066Sahrens 2827*fa9e4066Sahrens atomic_add_64(&zi->zi_calls, 1); 2828*fa9e4066Sahrens atomic_add_64(&zi->zi_call_total, 1); 2829*fa9e4066Sahrens 2830*fa9e4066Sahrens za->za_diroff = (za->za_instance * ZTEST_FUNCS + f) * 2831*fa9e4066Sahrens ZTEST_DIRSIZE; 2832*fa9e4066Sahrens za->za_diroff_shared = (1ULL << 63); 2833*fa9e4066Sahrens 2834*fa9e4066Sahrens ztest_dmu_write_parallel(za); 2835*fa9e4066Sahrens 2836*fa9e4066Sahrens zi->zi_func(za); 2837*fa9e4066Sahrens 2838*fa9e4066Sahrens functime = gethrtime() - now; 2839*fa9e4066Sahrens 2840*fa9e4066Sahrens atomic_add_64(&zi->zi_call_time, functime); 2841*fa9e4066Sahrens 2842*fa9e4066Sahrens if (zopt_verbose >= 4) { 2843*fa9e4066Sahrens Dl_info dli; 2844*fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 2845*fa9e4066Sahrens (void) printf("%6.2f sec in %s\n", 2846*fa9e4066Sahrens (double)functime / NANOSEC, dli.dli_sname); 2847*fa9e4066Sahrens } 2848*fa9e4066Sahrens 2849*fa9e4066Sahrens /* 2850*fa9e4066Sahrens * If we're getting ENOSPC with some regularity, stop. 2851*fa9e4066Sahrens */ 2852*fa9e4066Sahrens if (zs->zs_enospc_count > 10) 2853*fa9e4066Sahrens break; 2854*fa9e4066Sahrens } 2855*fa9e4066Sahrens 2856*fa9e4066Sahrens return (NULL); 2857*fa9e4066Sahrens } 2858*fa9e4066Sahrens 2859*fa9e4066Sahrens /* 2860*fa9e4066Sahrens * Kick off threads to run tests on all datasets in parallel. 2861*fa9e4066Sahrens */ 2862*fa9e4066Sahrens static void 2863*fa9e4066Sahrens ztest_run(char *pool) 2864*fa9e4066Sahrens { 2865*fa9e4066Sahrens int t, d, error; 2866*fa9e4066Sahrens ztest_shared_t *zs = ztest_shared; 2867*fa9e4066Sahrens ztest_args_t *za; 2868*fa9e4066Sahrens spa_t *spa; 2869*fa9e4066Sahrens char name[100]; 2870*fa9e4066Sahrens 2871*fa9e4066Sahrens (void) _mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL); 2872*fa9e4066Sahrens (void) rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL); 2873*fa9e4066Sahrens 2874*fa9e4066Sahrens for (t = 0; t < ZTEST_SYNC_LOCKS; t++) 2875*fa9e4066Sahrens (void) _mutex_init(&zs->zs_sync_lock[t], USYNC_THREAD, NULL); 2876*fa9e4066Sahrens 2877*fa9e4066Sahrens /* 2878*fa9e4066Sahrens * Destroy one disk before we even start. 2879*fa9e4066Sahrens * It's mirrored, so everything should work just fine. 2880*fa9e4066Sahrens * This makes us exercise fault handling very early in spa_load(). 2881*fa9e4066Sahrens */ 2882*fa9e4066Sahrens ztest_obliterate_one_disk(0); 2883*fa9e4066Sahrens 2884*fa9e4066Sahrens /* 2885*fa9e4066Sahrens * Verify that the sum of the sizes of all blocks in the pool 2886*fa9e4066Sahrens * equals the SPA's allocated space total. 2887*fa9e4066Sahrens */ 2888*fa9e4066Sahrens ztest_verify_blocks(pool); 2889*fa9e4066Sahrens 2890*fa9e4066Sahrens /* 2891*fa9e4066Sahrens * Kick off a replacement of the disk we just obliterated. 2892*fa9e4066Sahrens */ 2893*fa9e4066Sahrens kernel_init(FREAD | FWRITE); 2894*fa9e4066Sahrens error = spa_open(pool, &spa, FTAG); 2895*fa9e4066Sahrens if (error) 2896*fa9e4066Sahrens fatal(0, "spa_open(%s) = %d", pool, error); 2897*fa9e4066Sahrens ztest_replace_one_disk(spa, 0); 2898*fa9e4066Sahrens if (zopt_verbose >= 5) 2899*fa9e4066Sahrens show_pool_stats(spa); 2900*fa9e4066Sahrens spa_close(spa, FTAG); 2901*fa9e4066Sahrens kernel_fini(); 2902*fa9e4066Sahrens 2903*fa9e4066Sahrens kernel_init(FREAD | FWRITE); 2904*fa9e4066Sahrens 2905*fa9e4066Sahrens /* 2906*fa9e4066Sahrens * Verify that we can export the pool and reimport it under a 2907*fa9e4066Sahrens * different name. 2908*fa9e4066Sahrens */ 2909*fa9e4066Sahrens (void) snprintf(name, 100, "%s_import", pool); 2910*fa9e4066Sahrens ztest_spa_import_export(pool, name); 2911*fa9e4066Sahrens ztest_spa_import_export(name, pool); 2912*fa9e4066Sahrens 2913*fa9e4066Sahrens /* 2914*fa9e4066Sahrens * Verify that we can loop over all pools. 2915*fa9e4066Sahrens */ 2916*fa9e4066Sahrens mutex_enter(&spa_namespace_lock); 2917*fa9e4066Sahrens for (spa = spa_next(NULL); spa != NULL; spa = spa_next(spa)) { 2918*fa9e4066Sahrens if (zopt_verbose > 3) { 2919*fa9e4066Sahrens (void) printf("spa_next: found %s\n", spa_name(spa)); 2920*fa9e4066Sahrens } 2921*fa9e4066Sahrens } 2922*fa9e4066Sahrens mutex_exit(&spa_namespace_lock); 2923*fa9e4066Sahrens 2924*fa9e4066Sahrens /* 2925*fa9e4066Sahrens * Open our pool. 2926*fa9e4066Sahrens */ 2927*fa9e4066Sahrens error = spa_open(pool, &spa, FTAG); 2928*fa9e4066Sahrens if (error) 2929*fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 2930*fa9e4066Sahrens 2931*fa9e4066Sahrens /* 2932*fa9e4066Sahrens * Verify that we can safely inquire about about any object, 2933*fa9e4066Sahrens * whether it's allocated or not. To make it interesting, 2934*fa9e4066Sahrens * we probe a 5-wide window around each power of two. 2935*fa9e4066Sahrens * This hits all edge cases, including zero and the max. 2936*fa9e4066Sahrens */ 2937*fa9e4066Sahrens for (t = 0; t < 64; t++) { 2938*fa9e4066Sahrens for (d = -5; d <= 5; d++) { 2939*fa9e4066Sahrens error = dmu_object_info(spa->spa_meta_objset, 2940*fa9e4066Sahrens (1ULL << t) + d, NULL); 2941*fa9e4066Sahrens ASSERT(error == 0 || error == ENOENT); 2942*fa9e4066Sahrens } 2943*fa9e4066Sahrens } 2944*fa9e4066Sahrens 2945*fa9e4066Sahrens /* 2946*fa9e4066Sahrens * Now kick off all the tests that run in parallel. 2947*fa9e4066Sahrens */ 2948*fa9e4066Sahrens zs->zs_enospc_count = 0; 2949*fa9e4066Sahrens 2950*fa9e4066Sahrens za = umem_zalloc(zopt_threads * sizeof (ztest_args_t), UMEM_NOFAIL); 2951*fa9e4066Sahrens 2952*fa9e4066Sahrens if (zopt_verbose >= 4) 2953*fa9e4066Sahrens (void) printf("starting main threads...\n"); 2954*fa9e4066Sahrens 2955*fa9e4066Sahrens za[0].za_start = gethrtime(); 2956*fa9e4066Sahrens za[0].za_stop = za[0].za_start + zopt_passtime * NANOSEC; 2957*fa9e4066Sahrens za[0].za_stop = MIN(za[0].za_stop, zs->zs_stop_time); 2958*fa9e4066Sahrens za[0].za_kill = za[0].za_stop; 2959*fa9e4066Sahrens if (ztest_random(100) < zopt_killrate) 2960*fa9e4066Sahrens za[0].za_kill -= ztest_random(zopt_passtime * NANOSEC); 2961*fa9e4066Sahrens 2962*fa9e4066Sahrens for (t = 0; t < zopt_threads; t++) { 2963*fa9e4066Sahrens d = t % zopt_dirs; 2964*fa9e4066Sahrens if (t < zopt_dirs) { 2965*fa9e4066Sahrens ztest_replay_t zr; 2966*fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 2967*fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_%d", pool, pool, d); 2968*fa9e4066Sahrens error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 2969*fa9e4066Sahrens ztest_create_cb, NULL); 2970*fa9e4066Sahrens if (error != 0 && error != EEXIST) { 2971*fa9e4066Sahrens if (error == ENOSPC) { 2972*fa9e4066Sahrens zs->zs_enospc_count++; 2973*fa9e4066Sahrens (void) rw_unlock( 2974*fa9e4066Sahrens &ztest_shared->zs_name_lock); 2975*fa9e4066Sahrens break; 2976*fa9e4066Sahrens } 2977*fa9e4066Sahrens fatal(0, "dmu_objset_create(%s) = %d", 2978*fa9e4066Sahrens name, error); 2979*fa9e4066Sahrens } 2980*fa9e4066Sahrens error = dmu_objset_open(name, DMU_OST_OTHER, 2981*fa9e4066Sahrens DS_MODE_STANDARD, &za[d].za_os); 2982*fa9e4066Sahrens if (error) 2983*fa9e4066Sahrens fatal(0, "dmu_objset_open('%s') = %d", 2984*fa9e4066Sahrens name, error); 2985*fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 2986*fa9e4066Sahrens zr.zr_os = za[d].za_os; 2987*fa9e4066Sahrens zil_replay(zr.zr_os, &zr, &zr.zr_assign, 2988*fa9e4066Sahrens ztest_replay_vector, NULL); 2989*fa9e4066Sahrens za[d].za_zilog = zil_open(za[d].za_os, NULL); 2990*fa9e4066Sahrens } 2991*fa9e4066Sahrens za[t].za_pool = spa_strdup(pool); 2992*fa9e4066Sahrens za[t].za_os = za[d].za_os; 2993*fa9e4066Sahrens za[t].za_zilog = za[d].za_zilog; 2994*fa9e4066Sahrens za[t].za_instance = t; 2995*fa9e4066Sahrens za[t].za_random = ztest_random(-1ULL); 2996*fa9e4066Sahrens za[t].za_start = za[0].za_start; 2997*fa9e4066Sahrens za[t].za_stop = za[0].za_stop; 2998*fa9e4066Sahrens za[t].za_kill = za[0].za_kill; 2999*fa9e4066Sahrens 3000*fa9e4066Sahrens error = thr_create(0, 0, ztest_thread, &za[t], THR_BOUND, 3001*fa9e4066Sahrens &za[t].za_thread); 3002*fa9e4066Sahrens if (error) 3003*fa9e4066Sahrens fatal(0, "can't create thread %d: error %d", 3004*fa9e4066Sahrens t, error); 3005*fa9e4066Sahrens } 3006*fa9e4066Sahrens 3007*fa9e4066Sahrens while (--t >= 0) { 3008*fa9e4066Sahrens error = thr_join(za[t].za_thread, NULL, NULL); 3009*fa9e4066Sahrens if (error) 3010*fa9e4066Sahrens fatal(0, "thr_join(%d) = %d", t, error); 3011*fa9e4066Sahrens if (za[t].za_th) 3012*fa9e4066Sahrens traverse_fini(za[t].za_th); 3013*fa9e4066Sahrens if (t < zopt_dirs) { 3014*fa9e4066Sahrens zil_close(za[t].za_zilog); 3015*fa9e4066Sahrens dmu_objset_close(za[t].za_os); 3016*fa9e4066Sahrens } 3017*fa9e4066Sahrens spa_strfree(za[t].za_pool); 3018*fa9e4066Sahrens } 3019*fa9e4066Sahrens 3020*fa9e4066Sahrens umem_free(za, zopt_threads * sizeof (ztest_args_t)); 3021*fa9e4066Sahrens 3022*fa9e4066Sahrens if (zopt_verbose >= 3) 3023*fa9e4066Sahrens show_pool_stats(spa); 3024*fa9e4066Sahrens 3025*fa9e4066Sahrens txg_wait_synced(spa_get_dsl(spa), 0); 3026*fa9e4066Sahrens 3027*fa9e4066Sahrens zs->zs_alloc = spa_get_alloc(spa); 3028*fa9e4066Sahrens zs->zs_space = spa_get_space(spa); 3029*fa9e4066Sahrens 3030*fa9e4066Sahrens /* 3031*fa9e4066Sahrens * Did we have out-of-space errors? If so, destroy a random objset. 3032*fa9e4066Sahrens */ 3033*fa9e4066Sahrens if (zs->zs_enospc_count != 0) { 3034*fa9e4066Sahrens (void) rw_rdlock(&ztest_shared->zs_name_lock); 3035*fa9e4066Sahrens (void) snprintf(name, 100, "%s/%s_%d", pool, pool, 3036*fa9e4066Sahrens (int)ztest_random(zopt_dirs)); 3037*fa9e4066Sahrens if (zopt_verbose >= 3) 3038*fa9e4066Sahrens (void) printf("Destroying %s to free up space\n", name); 3039*fa9e4066Sahrens dmu_objset_find(name, ztest_destroy_cb, NULL, 3040*fa9e4066Sahrens DS_FIND_SNAPSHOTS); 3041*fa9e4066Sahrens (void) rw_unlock(&ztest_shared->zs_name_lock); 3042*fa9e4066Sahrens } 3043*fa9e4066Sahrens 3044*fa9e4066Sahrens /* 3045*fa9e4066Sahrens * Prepare every leaf device to inject a few random read faults. 3046*fa9e4066Sahrens */ 3047*fa9e4066Sahrens ztest_error_setup(spa->spa_root_vdev, VDEV_FAULT_COUNT, 3048*fa9e4066Sahrens (1U << ZIO_TYPE_READ), 10); 3049*fa9e4066Sahrens 3050*fa9e4066Sahrens /* 3051*fa9e4066Sahrens * Right before closing the pool, kick off a bunch of async I/O; 3052*fa9e4066Sahrens * spa_close() should wait for it to complete. 3053*fa9e4066Sahrens */ 3054*fa9e4066Sahrens for (t = 1; t < 50; t++) 3055*fa9e4066Sahrens dmu_prefetch(spa->spa_meta_objset, t, 0, 1 << 15); 3056*fa9e4066Sahrens 3057*fa9e4066Sahrens spa_close(spa, FTAG); 3058*fa9e4066Sahrens 3059*fa9e4066Sahrens kernel_fini(); 3060*fa9e4066Sahrens } 3061*fa9e4066Sahrens 3062*fa9e4066Sahrens void 3063*fa9e4066Sahrens print_time(hrtime_t t, char *timebuf) 3064*fa9e4066Sahrens { 3065*fa9e4066Sahrens hrtime_t s = t / NANOSEC; 3066*fa9e4066Sahrens hrtime_t m = s / 60; 3067*fa9e4066Sahrens hrtime_t h = m / 60; 3068*fa9e4066Sahrens hrtime_t d = h / 24; 3069*fa9e4066Sahrens 3070*fa9e4066Sahrens s -= m * 60; 3071*fa9e4066Sahrens m -= h * 60; 3072*fa9e4066Sahrens h -= d * 24; 3073*fa9e4066Sahrens 3074*fa9e4066Sahrens timebuf[0] = '\0'; 3075*fa9e4066Sahrens 3076*fa9e4066Sahrens if (d) 3077*fa9e4066Sahrens (void) sprintf(timebuf, 3078*fa9e4066Sahrens "%llud%02lluh%02llum%02llus", d, h, m, s); 3079*fa9e4066Sahrens else if (h) 3080*fa9e4066Sahrens (void) sprintf(timebuf, "%lluh%02llum%02llus", h, m, s); 3081*fa9e4066Sahrens else if (m) 3082*fa9e4066Sahrens (void) sprintf(timebuf, "%llum%02llus", m, s); 3083*fa9e4066Sahrens else 3084*fa9e4066Sahrens (void) sprintf(timebuf, "%llus", s); 3085*fa9e4066Sahrens } 3086*fa9e4066Sahrens 3087*fa9e4066Sahrens /* 3088*fa9e4066Sahrens * Create a storage pool with the given name and initial vdev size. 3089*fa9e4066Sahrens * Then create the specified number of datasets in the pool. 3090*fa9e4066Sahrens */ 3091*fa9e4066Sahrens static void 3092*fa9e4066Sahrens ztest_init(char *pool) 3093*fa9e4066Sahrens { 3094*fa9e4066Sahrens spa_t *spa; 3095*fa9e4066Sahrens int error; 3096*fa9e4066Sahrens nvlist_t *nvroot; 3097*fa9e4066Sahrens 3098*fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3099*fa9e4066Sahrens 3100*fa9e4066Sahrens /* 3101*fa9e4066Sahrens * Create the storage pool. 3102*fa9e4066Sahrens */ 3103*fa9e4066Sahrens (void) spa_destroy(pool); 3104*fa9e4066Sahrens ztest_shared->zs_vdev_primaries = 0; 3105*fa9e4066Sahrens nvroot = make_vdev_root(zopt_vdev_size, zopt_raidz, zopt_mirrors, 1); 3106*fa9e4066Sahrens error = spa_create(pool, nvroot, NULL); 3107*fa9e4066Sahrens nvlist_free(nvroot); 3108*fa9e4066Sahrens 3109*fa9e4066Sahrens if (error) 3110*fa9e4066Sahrens fatal(0, "spa_create() = %d", error); 3111*fa9e4066Sahrens error = spa_open(pool, &spa, FTAG); 3112*fa9e4066Sahrens if (error) 3113*fa9e4066Sahrens fatal(0, "spa_open() = %d", error); 3114*fa9e4066Sahrens 3115*fa9e4066Sahrens if (zopt_verbose >= 3) 3116*fa9e4066Sahrens show_pool_stats(spa); 3117*fa9e4066Sahrens 3118*fa9e4066Sahrens spa_close(spa, FTAG); 3119*fa9e4066Sahrens 3120*fa9e4066Sahrens kernel_fini(); 3121*fa9e4066Sahrens } 3122*fa9e4066Sahrens 3123*fa9e4066Sahrens int 3124*fa9e4066Sahrens main(int argc, char **argv) 3125*fa9e4066Sahrens { 3126*fa9e4066Sahrens int kills = 0; 3127*fa9e4066Sahrens int iters = 0; 3128*fa9e4066Sahrens int i, f; 3129*fa9e4066Sahrens ztest_shared_t *zs; 3130*fa9e4066Sahrens ztest_info_t *zi; 3131*fa9e4066Sahrens char timebuf[100]; 3132*fa9e4066Sahrens char numbuf[6]; 3133*fa9e4066Sahrens 3134*fa9e4066Sahrens (void) setvbuf(stdout, NULL, _IOLBF, 0); 3135*fa9e4066Sahrens 3136*fa9e4066Sahrens /* Override location of zpool.cache */ 3137*fa9e4066Sahrens spa_config_dir = "/tmp"; 3138*fa9e4066Sahrens 3139*fa9e4066Sahrens /* 3140*fa9e4066Sahrens * Blow away any existing copy of zpool.cache 3141*fa9e4066Sahrens */ 3142*fa9e4066Sahrens (void) remove("/tmp/zpool.cache"); 3143*fa9e4066Sahrens 3144*fa9e4066Sahrens ztest_random_fd = open("/dev/urandom", O_RDONLY); 3145*fa9e4066Sahrens 3146*fa9e4066Sahrens process_options(argc, argv); 3147*fa9e4066Sahrens 3148*fa9e4066Sahrens argc -= optind; 3149*fa9e4066Sahrens argv += optind; 3150*fa9e4066Sahrens 3151*fa9e4066Sahrens dprintf_setup(&argc, argv); 3152*fa9e4066Sahrens 3153*fa9e4066Sahrens zs = ztest_shared = (void *)mmap(0, 3154*fa9e4066Sahrens P2ROUNDUP(sizeof (ztest_shared_t), getpagesize()), 3155*fa9e4066Sahrens PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); 3156*fa9e4066Sahrens 3157*fa9e4066Sahrens if (zopt_verbose >= 1) { 3158*fa9e4066Sahrens (void) printf("%llu vdevs, %d datasets, %d threads," 3159*fa9e4066Sahrens " %llu seconds...\n", 3160*fa9e4066Sahrens (u_longlong_t)zopt_vdevs, zopt_dirs, zopt_threads, 3161*fa9e4066Sahrens (u_longlong_t)zopt_time); 3162*fa9e4066Sahrens } 3163*fa9e4066Sahrens 3164*fa9e4066Sahrens /* 3165*fa9e4066Sahrens * Create and initialize our storage pool. 3166*fa9e4066Sahrens */ 3167*fa9e4066Sahrens for (i = 1; i <= zopt_init; i++) { 3168*fa9e4066Sahrens bzero(zs, sizeof (ztest_shared_t)); 3169*fa9e4066Sahrens if (zopt_verbose >= 3 && zopt_init != 1) 3170*fa9e4066Sahrens (void) printf("ztest_init(), pass %d\n", i); 3171*fa9e4066Sahrens ztest_init(zopt_pool); 3172*fa9e4066Sahrens } 3173*fa9e4066Sahrens 3174*fa9e4066Sahrens /* 3175*fa9e4066Sahrens * Initialize the call targets for each function. 3176*fa9e4066Sahrens */ 3177*fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3178*fa9e4066Sahrens zi = &zs->zs_info[f]; 3179*fa9e4066Sahrens 3180*fa9e4066Sahrens *zi = ztest_info[f]; 3181*fa9e4066Sahrens 3182*fa9e4066Sahrens if (*zi->zi_interval == 0) 3183*fa9e4066Sahrens zi->zi_call_target = UINT64_MAX; 3184*fa9e4066Sahrens else 3185*fa9e4066Sahrens zi->zi_call_target = zopt_time / *zi->zi_interval; 3186*fa9e4066Sahrens } 3187*fa9e4066Sahrens 3188*fa9e4066Sahrens zs->zs_start_time = gethrtime(); 3189*fa9e4066Sahrens zs->zs_stop_time = zs->zs_start_time + zopt_time * NANOSEC; 3190*fa9e4066Sahrens 3191*fa9e4066Sahrens /* 3192*fa9e4066Sahrens * Run the tests in a loop. These tests include fault injection 3193*fa9e4066Sahrens * to verify that self-healing data works, and forced crashes 3194*fa9e4066Sahrens * to verify that we never lose on-disk consistency. 3195*fa9e4066Sahrens */ 3196*fa9e4066Sahrens while (gethrtime() < zs->zs_stop_time) { 3197*fa9e4066Sahrens int status; 3198*fa9e4066Sahrens pid_t pid; 3199*fa9e4066Sahrens char *tmp; 3200*fa9e4066Sahrens 3201*fa9e4066Sahrens /* 3202*fa9e4066Sahrens * Initialize the workload counters for each function. 3203*fa9e4066Sahrens */ 3204*fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3205*fa9e4066Sahrens zi = &zs->zs_info[f]; 3206*fa9e4066Sahrens zi->zi_calls = 0; 3207*fa9e4066Sahrens zi->zi_call_time = 0; 3208*fa9e4066Sahrens } 3209*fa9e4066Sahrens 3210*fa9e4066Sahrens pid = fork(); 3211*fa9e4066Sahrens 3212*fa9e4066Sahrens if (pid == -1) 3213*fa9e4066Sahrens fatal(1, "fork failed"); 3214*fa9e4066Sahrens 3215*fa9e4066Sahrens if (pid == 0) { /* child */ 3216*fa9e4066Sahrens struct rlimit rl = { 1024, 1024 }; 3217*fa9e4066Sahrens (void) setrlimit(RLIMIT_NOFILE, &rl); 3218*fa9e4066Sahrens ztest_run(zopt_pool); 3219*fa9e4066Sahrens exit(0); 3220*fa9e4066Sahrens } 3221*fa9e4066Sahrens 3222*fa9e4066Sahrens while (waitpid(pid, &status, WEXITED) != pid) 3223*fa9e4066Sahrens continue; 3224*fa9e4066Sahrens 3225*fa9e4066Sahrens if (WIFEXITED(status)) { 3226*fa9e4066Sahrens if (WEXITSTATUS(status) != 0) { 3227*fa9e4066Sahrens (void) fprintf(stderr, 3228*fa9e4066Sahrens "child exited with code %d\n", 3229*fa9e4066Sahrens WEXITSTATUS(status)); 3230*fa9e4066Sahrens exit(2); 3231*fa9e4066Sahrens } 3232*fa9e4066Sahrens } else { 3233*fa9e4066Sahrens if (WTERMSIG(status) != SIGKILL) { 3234*fa9e4066Sahrens (void) fprintf(stderr, 3235*fa9e4066Sahrens "child died with signal %d\n", 3236*fa9e4066Sahrens WTERMSIG(status)); 3237*fa9e4066Sahrens exit(3); 3238*fa9e4066Sahrens } 3239*fa9e4066Sahrens kills++; 3240*fa9e4066Sahrens } 3241*fa9e4066Sahrens 3242*fa9e4066Sahrens iters++; 3243*fa9e4066Sahrens 3244*fa9e4066Sahrens if (zopt_verbose >= 1) { 3245*fa9e4066Sahrens hrtime_t now = gethrtime(); 3246*fa9e4066Sahrens 3247*fa9e4066Sahrens now = MIN(now, zs->zs_stop_time); 3248*fa9e4066Sahrens print_time(zs->zs_stop_time - now, timebuf); 3249*fa9e4066Sahrens nicenum(zs->zs_space, numbuf); 3250*fa9e4066Sahrens 3251*fa9e4066Sahrens (void) printf("Pass %3d, %8s, %3llu ENOSPC, " 3252*fa9e4066Sahrens "%4.1f%% of %5s used, %3.0f%% done, %8s to go\n", 3253*fa9e4066Sahrens iters, 3254*fa9e4066Sahrens WIFEXITED(status) ? "Complete" : "SIGKILL", 3255*fa9e4066Sahrens (u_longlong_t)zs->zs_enospc_count, 3256*fa9e4066Sahrens 100.0 * zs->zs_alloc / zs->zs_space, 3257*fa9e4066Sahrens numbuf, 3258*fa9e4066Sahrens 100.0 * (now - zs->zs_start_time) / 3259*fa9e4066Sahrens (zopt_time * NANOSEC), timebuf); 3260*fa9e4066Sahrens } 3261*fa9e4066Sahrens 3262*fa9e4066Sahrens if (zopt_verbose >= 2) { 3263*fa9e4066Sahrens (void) printf("\nWorkload summary:\n\n"); 3264*fa9e4066Sahrens (void) printf("%7s %9s %s\n", 3265*fa9e4066Sahrens "Calls", "Time", "Function"); 3266*fa9e4066Sahrens (void) printf("%7s %9s %s\n", 3267*fa9e4066Sahrens "-----", "----", "--------"); 3268*fa9e4066Sahrens for (f = 0; f < ZTEST_FUNCS; f++) { 3269*fa9e4066Sahrens Dl_info dli; 3270*fa9e4066Sahrens 3271*fa9e4066Sahrens zi = &zs->zs_info[f]; 3272*fa9e4066Sahrens print_time(zi->zi_call_time, timebuf); 3273*fa9e4066Sahrens (void) dladdr((void *)zi->zi_func, &dli); 3274*fa9e4066Sahrens (void) printf("%7llu %9s %s\n", 3275*fa9e4066Sahrens (u_longlong_t)zi->zi_calls, timebuf, 3276*fa9e4066Sahrens dli.dli_sname); 3277*fa9e4066Sahrens } 3278*fa9e4066Sahrens (void) printf("\n"); 3279*fa9e4066Sahrens } 3280*fa9e4066Sahrens 3281*fa9e4066Sahrens /* 3282*fa9e4066Sahrens * It's possible that we killed a child during a rename test, in 3283*fa9e4066Sahrens * which case we'll have a 'ztest_tmp' pool lying around instead 3284*fa9e4066Sahrens * of 'ztest'. Do a blind rename in case this happened. 3285*fa9e4066Sahrens */ 3286*fa9e4066Sahrens tmp = umem_alloc(strlen(zopt_pool) + 5, UMEM_NOFAIL); 3287*fa9e4066Sahrens (void) strcpy(tmp, zopt_pool); 3288*fa9e4066Sahrens (void) strcat(tmp, "_tmp"); 3289*fa9e4066Sahrens kernel_init(FREAD | FWRITE); 3290*fa9e4066Sahrens (void) spa_rename(tmp, zopt_pool); 3291*fa9e4066Sahrens kernel_fini(); 3292*fa9e4066Sahrens umem_free(tmp, strlen(tmp) + 1); 3293*fa9e4066Sahrens } 3294*fa9e4066Sahrens 3295*fa9e4066Sahrens ztest_verify_blocks(zopt_pool); 3296*fa9e4066Sahrens 3297*fa9e4066Sahrens if (zopt_verbose >= 1) { 3298*fa9e4066Sahrens (void) printf("%d killed, %d completed, %.0f%% kill rate\n", 3299*fa9e4066Sahrens kills, iters - kills, (100.0 * kills) / MAX(1, iters)); 3300*fa9e4066Sahrens } 3301*fa9e4066Sahrens 3302*fa9e4066Sahrens return (0); 3303*fa9e4066Sahrens } 3304