1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <stdio.h> 27 #include <stdio_ext.h> 28 #include <stdlib.h> 29 #include <ctype.h> 30 #include <sys/zfs_context.h> 31 #include <sys/spa.h> 32 #include <sys/spa_impl.h> 33 #include <sys/dmu.h> 34 #include <sys/zap.h> 35 #include <sys/fs/zfs.h> 36 #include <sys/zfs_znode.h> 37 #include <sys/vdev.h> 38 #include <sys/vdev_impl.h> 39 #include <sys/metaslab_impl.h> 40 #include <sys/dmu_objset.h> 41 #include <sys/dsl_dir.h> 42 #include <sys/dsl_dataset.h> 43 #include <sys/dsl_pool.h> 44 #include <sys/dbuf.h> 45 #include <sys/zil.h> 46 #include <sys/zil_impl.h> 47 #include <sys/stat.h> 48 #include <sys/resource.h> 49 #include <sys/dmu_traverse.h> 50 #include <sys/zio_checksum.h> 51 #include <sys/zio_compress.h> 52 #include <sys/zfs_fuid.h> 53 #include <sys/arc.h> 54 #undef ZFS_MAXNAMELEN 55 #undef verify 56 #include <libzfs.h> 57 58 const char cmdname[] = "zdb"; 59 uint8_t dump_opt[256]; 60 61 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 62 63 extern void dump_intent_log(zilog_t *); 64 uint64_t *zopt_object = NULL; 65 int zopt_objects = 0; 66 libzfs_handle_t *g_zfs; 67 boolean_t zdb_sig_user_data = B_TRUE; 68 int zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256; 69 70 /* 71 * These libumem hooks provide a reasonable set of defaults for the allocator's 72 * debugging facilities. 73 */ 74 const char * 75 _umem_debug_init() 76 { 77 return ("default,verbose"); /* $UMEM_DEBUG setting */ 78 } 79 80 const char * 81 _umem_logging_init(void) 82 { 83 return ("fail,contents"); /* $UMEM_LOGGING setting */ 84 } 85 86 static void 87 usage(void) 88 { 89 (void) fprintf(stderr, 90 "Usage: %s [-CumdibcsvhL] [-S user:cksumalg] " 91 "poolname [object...]\n" 92 " %s [-div] dataset [object...]\n" 93 " %s -C [pool]\n" 94 " %s -l dev\n" 95 " %s -R pool:vdev:offset:size:flags\n\n", 96 cmdname, cmdname, cmdname, cmdname, cmdname); 97 98 (void) fprintf(stderr, " Dataset name must include at least one " 99 "separator character '/' or '@'\n"); 100 (void) fprintf(stderr, " If dataset name is specified, only that " 101 "dataset is dumped\n"); 102 (void) fprintf(stderr, " If object numbers are specified, only " 103 "those objects are dumped\n\n"); 104 (void) fprintf(stderr, " Options to control amount of output:\n"); 105 (void) fprintf(stderr, " -u uberblock\n"); 106 (void) fprintf(stderr, " -d dataset(s)\n"); 107 (void) fprintf(stderr, " -i intent logs\n"); 108 (void) fprintf(stderr, " -C cached pool configuration\n"); 109 (void) fprintf(stderr, " -h pool history\n"); 110 (void) fprintf(stderr, " -b block statistics\n"); 111 (void) fprintf(stderr, " -m metaslabs\n"); 112 (void) fprintf(stderr, " -c checksum all metadata (twice for " 113 "all data) blocks\n"); 114 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 115 (void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- " 116 "dump blkptr signatures\n"); 117 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 118 (void) fprintf(stderr, " -l dump label contents\n"); 119 (void) fprintf(stderr, " -L disable leak tracking (do not " 120 "load spacemaps)\n"); 121 (void) fprintf(stderr, " -R read and display block from a " 122 "device\n\n"); 123 (void) fprintf(stderr, " Below options are intended for use " 124 "with other options (except -l):\n"); 125 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 126 "cachefile\n"); 127 (void) fprintf(stderr, " -e pool is exported/destroyed/" 128 "has altroot/not in a cachefile\n"); 129 (void) fprintf(stderr, " -p <path> -- use one or more with " 130 "-e to specify path to vdev dir\n"); 131 (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 132 "searching for uberblocks\n"); 133 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 134 "to make only that option verbose\n"); 135 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 136 exit(1); 137 } 138 139 /* 140 * Called for usage errors that are discovered after a call to spa_open(), 141 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 142 */ 143 144 static void 145 fatal(const char *fmt, ...) 146 { 147 va_list ap; 148 149 va_start(ap, fmt); 150 (void) fprintf(stderr, "%s: ", cmdname); 151 (void) vfprintf(stderr, fmt, ap); 152 va_end(ap); 153 (void) fprintf(stderr, "\n"); 154 155 exit(1); 156 } 157 158 /* ARGSUSED */ 159 static void 160 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 161 { 162 nvlist_t *nv; 163 size_t nvsize = *(uint64_t *)data; 164 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 165 166 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 167 168 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 169 170 umem_free(packed, nvsize); 171 172 dump_nvlist(nv, 8); 173 174 nvlist_free(nv); 175 } 176 177 const char dump_zap_stars[] = "****************************************"; 178 const int dump_zap_width = sizeof (dump_zap_stars) - 1; 179 180 static void 181 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) 182 { 183 int i; 184 int minidx = ZAP_HISTOGRAM_SIZE - 1; 185 int maxidx = 0; 186 uint64_t max = 0; 187 188 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { 189 if (histo[i] > max) 190 max = histo[i]; 191 if (histo[i] > 0 && i > maxidx) 192 maxidx = i; 193 if (histo[i] > 0 && i < minidx) 194 minidx = i; 195 } 196 197 if (max < dump_zap_width) 198 max = dump_zap_width; 199 200 for (i = minidx; i <= maxidx; i++) 201 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], 202 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); 203 } 204 205 static void 206 dump_zap_stats(objset_t *os, uint64_t object) 207 { 208 int error; 209 zap_stats_t zs; 210 211 error = zap_get_stats(os, object, &zs); 212 if (error) 213 return; 214 215 if (zs.zs_ptrtbl_len == 0) { 216 ASSERT(zs.zs_num_blocks == 1); 217 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 218 (u_longlong_t)zs.zs_blocksize, 219 (u_longlong_t)zs.zs_num_entries); 220 return; 221 } 222 223 (void) printf("\tFat ZAP stats:\n"); 224 225 (void) printf("\t\tPointer table:\n"); 226 (void) printf("\t\t\t%llu elements\n", 227 (u_longlong_t)zs.zs_ptrtbl_len); 228 (void) printf("\t\t\tzt_blk: %llu\n", 229 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 230 (void) printf("\t\t\tzt_numblks: %llu\n", 231 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 232 (void) printf("\t\t\tzt_shift: %llu\n", 233 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 234 (void) printf("\t\t\tzt_blks_copied: %llu\n", 235 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 236 (void) printf("\t\t\tzt_nextblk: %llu\n", 237 (u_longlong_t)zs.zs_ptrtbl_nextblk); 238 239 (void) printf("\t\tZAP entries: %llu\n", 240 (u_longlong_t)zs.zs_num_entries); 241 (void) printf("\t\tLeaf blocks: %llu\n", 242 (u_longlong_t)zs.zs_num_leafs); 243 (void) printf("\t\tTotal blocks: %llu\n", 244 (u_longlong_t)zs.zs_num_blocks); 245 (void) printf("\t\tzap_block_type: 0x%llx\n", 246 (u_longlong_t)zs.zs_block_type); 247 (void) printf("\t\tzap_magic: 0x%llx\n", 248 (u_longlong_t)zs.zs_magic); 249 (void) printf("\t\tzap_salt: 0x%llx\n", 250 (u_longlong_t)zs.zs_salt); 251 252 (void) printf("\t\tLeafs with 2^n pointers:\n"); 253 dump_zap_histogram(zs.zs_leafs_with_2n_pointers); 254 255 (void) printf("\t\tBlocks with n*5 entries:\n"); 256 dump_zap_histogram(zs.zs_blocks_with_n5_entries); 257 258 (void) printf("\t\tBlocks n/10 full:\n"); 259 dump_zap_histogram(zs.zs_blocks_n_tenths_full); 260 261 (void) printf("\t\tEntries with n chunks:\n"); 262 dump_zap_histogram(zs.zs_entries_using_n_chunks); 263 264 (void) printf("\t\tBuckets with n entries:\n"); 265 dump_zap_histogram(zs.zs_buckets_with_n_entries); 266 } 267 268 /*ARGSUSED*/ 269 static void 270 dump_none(objset_t *os, uint64_t object, void *data, size_t size) 271 { 272 } 273 274 /*ARGSUSED*/ 275 void 276 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 277 { 278 } 279 280 /*ARGSUSED*/ 281 static void 282 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 283 { 284 } 285 286 /*ARGSUSED*/ 287 static void 288 dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 289 { 290 zap_cursor_t zc; 291 zap_attribute_t attr; 292 void *prop; 293 int i; 294 295 dump_zap_stats(os, object); 296 (void) printf("\n"); 297 298 for (zap_cursor_init(&zc, os, object); 299 zap_cursor_retrieve(&zc, &attr) == 0; 300 zap_cursor_advance(&zc)) { 301 (void) printf("\t\t%s = ", attr.za_name); 302 if (attr.za_num_integers == 0) { 303 (void) printf("\n"); 304 continue; 305 } 306 prop = umem_zalloc(attr.za_num_integers * 307 attr.za_integer_length, UMEM_NOFAIL); 308 (void) zap_lookup(os, object, attr.za_name, 309 attr.za_integer_length, attr.za_num_integers, prop); 310 if (attr.za_integer_length == 1) { 311 (void) printf("%s", (char *)prop); 312 } else { 313 for (i = 0; i < attr.za_num_integers; i++) { 314 switch (attr.za_integer_length) { 315 case 2: 316 (void) printf("%u ", 317 ((uint16_t *)prop)[i]); 318 break; 319 case 4: 320 (void) printf("%u ", 321 ((uint32_t *)prop)[i]); 322 break; 323 case 8: 324 (void) printf("%lld ", 325 (u_longlong_t)((int64_t *)prop)[i]); 326 break; 327 } 328 } 329 } 330 (void) printf("\n"); 331 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 332 } 333 zap_cursor_fini(&zc); 334 } 335 336 /*ARGSUSED*/ 337 static void 338 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 339 { 340 zap_cursor_t zc; 341 zap_attribute_t attr; 342 const char *typenames[] = { 343 /* 0 */ "not specified", 344 /* 1 */ "FIFO", 345 /* 2 */ "Character Device", 346 /* 3 */ "3 (invalid)", 347 /* 4 */ "Directory", 348 /* 5 */ "5 (invalid)", 349 /* 6 */ "Block Device", 350 /* 7 */ "7 (invalid)", 351 /* 8 */ "Regular File", 352 /* 9 */ "9 (invalid)", 353 /* 10 */ "Symbolic Link", 354 /* 11 */ "11 (invalid)", 355 /* 12 */ "Socket", 356 /* 13 */ "Door", 357 /* 14 */ "Event Port", 358 /* 15 */ "15 (invalid)", 359 }; 360 361 dump_zap_stats(os, object); 362 (void) printf("\n"); 363 364 for (zap_cursor_init(&zc, os, object); 365 zap_cursor_retrieve(&zc, &attr) == 0; 366 zap_cursor_advance(&zc)) { 367 (void) printf("\t\t%s = %lld (type: %s)\n", 368 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 369 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 370 } 371 zap_cursor_fini(&zc); 372 } 373 374 static void 375 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 376 { 377 uint64_t alloc, offset, entry; 378 uint8_t mapshift = sm->sm_shift; 379 uint64_t mapstart = sm->sm_start; 380 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 381 "INVALID", "INVALID", "INVALID", "INVALID" }; 382 383 if (smo->smo_object == 0) 384 return; 385 386 /* 387 * Print out the freelist entries in both encoded and decoded form. 388 */ 389 alloc = 0; 390 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 391 VERIFY(0 == dmu_read(os, smo->smo_object, offset, 392 sizeof (entry), &entry, DMU_READ_PREFETCH)); 393 if (SM_DEBUG_DECODE(entry)) { 394 (void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n", 395 (u_longlong_t)(offset / sizeof (entry)), 396 ddata[SM_DEBUG_ACTION_DECODE(entry)], 397 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 398 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 399 } else { 400 (void) printf("\t\t[%4llu] %c range:" 401 " %08llx-%08llx size: %06llx\n", 402 (u_longlong_t)(offset / sizeof (entry)), 403 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 404 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 405 mapshift) + mapstart), 406 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 407 mapshift) + mapstart + (SM_RUN_DECODE(entry) << 408 mapshift)), 409 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 410 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 411 alloc += SM_RUN_DECODE(entry) << mapshift; 412 else 413 alloc -= SM_RUN_DECODE(entry) << mapshift; 414 } 415 } 416 if (alloc != smo->smo_alloc) { 417 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 418 "with space map summary (%llu)\n", 419 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 420 } 421 } 422 423 static void 424 dump_metaslab_stats(metaslab_t *msp) 425 { 426 char maxbuf[5]; 427 space_map_t *sm = &msp->ms_map; 428 avl_tree_t *t = sm->sm_pp_root; 429 int free_pct = sm->sm_space * 100 / sm->sm_size; 430 431 nicenum(space_map_maxsize(sm), maxbuf); 432 433 (void) printf("\t %20s %10lu %7s %6s %4s %4d%%\n", 434 "segments", avl_numnodes(t), "maxsize", maxbuf, 435 "freepct", free_pct); 436 } 437 438 static void 439 dump_metaslab(metaslab_t *msp) 440 { 441 char freebuf[5]; 442 space_map_obj_t *smo = &msp->ms_smo; 443 vdev_t *vd = msp->ms_group->mg_vd; 444 spa_t *spa = vd->vdev_spa; 445 446 nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf); 447 448 (void) printf( 449 "\tvdev %5llu offset %12llx spacemap %6llu free %5s\n", 450 (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start, 451 (u_longlong_t)smo->smo_object, freebuf); 452 453 if (dump_opt['m'] > 1) { 454 mutex_enter(&msp->ms_lock); 455 VERIFY(space_map_load(&msp->ms_map, zfs_metaslab_ops, 456 SM_FREE, &msp->ms_smo, spa->spa_meta_objset) == 0); 457 dump_metaslab_stats(msp); 458 space_map_unload(&msp->ms_map); 459 mutex_exit(&msp->ms_lock); 460 } 461 462 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { 463 ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift)); 464 465 mutex_enter(&msp->ms_lock); 466 dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map); 467 mutex_exit(&msp->ms_lock); 468 } 469 470 } 471 472 static void 473 dump_metaslabs(spa_t *spa) 474 { 475 vdev_t *rvd = spa->spa_root_vdev; 476 vdev_t *vd; 477 int c, m; 478 479 (void) printf("\nMetaslabs:\n"); 480 481 for (c = 0; c < rvd->vdev_children; c++) { 482 vd = rvd->vdev_child[c]; 483 484 (void) printf("\t%-10s %-19s %-15s %-10s\n", 485 "vdev", "offset", "spacemap", "free"); 486 (void) printf("\t%10s %19s %15s %10s\n", 487 "----------", "-------------------", 488 "---------------", "-------------"); 489 490 for (m = 0; m < vd->vdev_ms_count; m++) 491 dump_metaslab(vd->vdev_ms[m]); 492 (void) printf("\n"); 493 } 494 } 495 496 static void 497 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) 498 { 499 char *prefix = (void *)sm; 500 501 (void) printf("%s [%llu,%llu) length %llu\n", 502 prefix, 503 (u_longlong_t)start, 504 (u_longlong_t)(start + size), 505 (u_longlong_t)(size)); 506 } 507 508 static void 509 dump_dtl(vdev_t *vd, int indent) 510 { 511 spa_t *spa = vd->vdev_spa; 512 boolean_t required; 513 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 514 char prefix[256]; 515 516 spa_vdev_state_enter(spa, SCL_NONE); 517 required = vdev_dtl_required(vd); 518 (void) spa_vdev_state_exit(spa, NULL, 0); 519 520 if (indent == 0) 521 (void) printf("\nDirty time logs:\n\n"); 522 523 (void) printf("\t%*s%s [%s]\n", indent, "", 524 vd->vdev_path ? vd->vdev_path : 525 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 526 required ? "DTL-required" : "DTL-expendable"); 527 528 for (int t = 0; t < DTL_TYPES; t++) { 529 space_map_t *sm = &vd->vdev_dtl[t]; 530 if (sm->sm_space == 0) 531 continue; 532 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 533 indent + 2, "", name[t]); 534 mutex_enter(sm->sm_lock); 535 space_map_walk(sm, dump_dtl_seg, (void *)prefix); 536 mutex_exit(sm->sm_lock); 537 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 538 dump_spacemap(spa->spa_meta_objset, 539 &vd->vdev_dtl_smo, sm); 540 } 541 542 for (int c = 0; c < vd->vdev_children; c++) 543 dump_dtl(vd->vdev_child[c], indent + 4); 544 } 545 546 static void 547 dump_history(spa_t *spa) 548 { 549 nvlist_t **events = NULL; 550 char buf[SPA_MAXBLOCKSIZE]; 551 uint64_t resid, len, off = 0; 552 uint_t num = 0; 553 int error; 554 time_t tsec; 555 struct tm t; 556 char tbuf[30]; 557 char internalstr[MAXPATHLEN]; 558 559 do { 560 len = sizeof (buf); 561 562 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 563 (void) fprintf(stderr, "Unable to read history: " 564 "error %d\n", error); 565 return; 566 } 567 568 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 569 break; 570 571 off -= resid; 572 } while (len != 0); 573 574 (void) printf("\nHistory:\n"); 575 for (int i = 0; i < num; i++) { 576 uint64_t time, txg, ievent; 577 char *cmd, *intstr; 578 579 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 580 &time) != 0) 581 continue; 582 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 583 &cmd) != 0) { 584 if (nvlist_lookup_uint64(events[i], 585 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 586 continue; 587 verify(nvlist_lookup_uint64(events[i], 588 ZPOOL_HIST_TXG, &txg) == 0); 589 verify(nvlist_lookup_string(events[i], 590 ZPOOL_HIST_INT_STR, &intstr) == 0); 591 if (ievent >= LOG_END) 592 continue; 593 594 (void) snprintf(internalstr, 595 sizeof (internalstr), 596 "[internal %s txg:%lld] %s", 597 hist_event_table[ievent], txg, 598 intstr); 599 cmd = internalstr; 600 } 601 tsec = time; 602 (void) localtime_r(&tsec, &t); 603 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 604 (void) printf("%s %s\n", tbuf, cmd); 605 } 606 } 607 608 /*ARGSUSED*/ 609 static void 610 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 611 { 612 } 613 614 static uint64_t 615 blkid2offset(const dnode_phys_t *dnp, int level, uint64_t blkid) 616 { 617 if (level < 0) 618 return (blkid); 619 620 return ((blkid << (level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 621 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 622 } 623 624 static void 625 sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp, int alldvas) 626 { 627 dva_t *dva = bp->blk_dva; 628 int ndvas = alldvas ? BP_GET_NDVAS(bp) : 1; 629 int i; 630 631 blkbuf[0] = '\0'; 632 633 for (i = 0; i < ndvas; i++) 634 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", 635 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 636 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 637 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 638 639 (void) sprintf(blkbuf + strlen(blkbuf), "%llxL/%llxP F=%llu B=%llu", 640 (u_longlong_t)BP_GET_LSIZE(bp), 641 (u_longlong_t)BP_GET_PSIZE(bp), 642 (u_longlong_t)bp->blk_fill, 643 (u_longlong_t)bp->blk_birth); 644 } 645 646 static void 647 print_indirect(blkptr_t *bp, const zbookmark_t *zb, 648 const dnode_phys_t *dnp) 649 { 650 char blkbuf[BP_SPRINTF_LEN]; 651 int l; 652 653 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 654 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 655 656 (void) printf("%16llx ", 657 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid)); 658 659 ASSERT(zb->zb_level >= 0); 660 661 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 662 if (l == zb->zb_level) { 663 (void) printf("L%llx", (u_longlong_t)zb->zb_level); 664 } else { 665 (void) printf(" "); 666 } 667 } 668 669 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0); 670 (void) printf("%s\n", blkbuf); 671 } 672 673 #define SET_BOOKMARK(zb, objset, object, level, blkid) \ 674 { \ 675 (zb)->zb_objset = objset; \ 676 (zb)->zb_object = object; \ 677 (zb)->zb_level = level; \ 678 (zb)->zb_blkid = blkid; \ 679 } 680 681 static int 682 visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 683 blkptr_t *bp, const zbookmark_t *zb) 684 { 685 int err = 0; 686 687 if (bp->blk_birth == 0) 688 return (0); 689 690 print_indirect(bp, zb, dnp); 691 692 if (BP_GET_LEVEL(bp) > 0) { 693 uint32_t flags = ARC_WAIT; 694 int i; 695 blkptr_t *cbp; 696 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 697 arc_buf_t *buf; 698 uint64_t fill = 0; 699 700 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf, 701 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 702 if (err) 703 return (err); 704 705 /* recursively visit blocks below this */ 706 cbp = buf->b_data; 707 for (i = 0; i < epb; i++, cbp++) { 708 zbookmark_t czb; 709 710 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 711 zb->zb_level - 1, 712 zb->zb_blkid * epb + i); 713 err = visit_indirect(spa, dnp, cbp, &czb); 714 if (err) 715 break; 716 fill += cbp->blk_fill; 717 } 718 if (!err) 719 ASSERT3U(fill, ==, bp->blk_fill); 720 (void) arc_buf_remove_ref(buf, &buf); 721 } 722 723 return (err); 724 } 725 726 /*ARGSUSED*/ 727 static void 728 dump_indirect(dnode_t *dn) 729 { 730 dnode_phys_t *dnp = dn->dn_phys; 731 int j; 732 zbookmark_t czb; 733 734 (void) printf("Indirect blocks:\n"); 735 736 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 737 dn->dn_object, dnp->dn_nlevels - 1, 0); 738 for (j = 0; j < dnp->dn_nblkptr; j++) { 739 czb.zb_blkid = j; 740 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 741 &dnp->dn_blkptr[j], &czb); 742 } 743 744 (void) printf("\n"); 745 } 746 747 /*ARGSUSED*/ 748 static void 749 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 750 { 751 dsl_dir_phys_t *dd = data; 752 time_t crtime; 753 char nice[6]; 754 755 if (dd == NULL) 756 return; 757 758 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 759 760 crtime = dd->dd_creation_time; 761 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 762 (void) printf("\t\thead_dataset_obj = %llu\n", 763 (u_longlong_t)dd->dd_head_dataset_obj); 764 (void) printf("\t\tparent_dir_obj = %llu\n", 765 (u_longlong_t)dd->dd_parent_obj); 766 (void) printf("\t\torigin_obj = %llu\n", 767 (u_longlong_t)dd->dd_origin_obj); 768 (void) printf("\t\tchild_dir_zapobj = %llu\n", 769 (u_longlong_t)dd->dd_child_dir_zapobj); 770 nicenum(dd->dd_used_bytes, nice); 771 (void) printf("\t\tused_bytes = %s\n", nice); 772 nicenum(dd->dd_compressed_bytes, nice); 773 (void) printf("\t\tcompressed_bytes = %s\n", nice); 774 nicenum(dd->dd_uncompressed_bytes, nice); 775 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 776 nicenum(dd->dd_quota, nice); 777 (void) printf("\t\tquota = %s\n", nice); 778 nicenum(dd->dd_reserved, nice); 779 (void) printf("\t\treserved = %s\n", nice); 780 (void) printf("\t\tprops_zapobj = %llu\n", 781 (u_longlong_t)dd->dd_props_zapobj); 782 (void) printf("\t\tdeleg_zapobj = %llu\n", 783 (u_longlong_t)dd->dd_deleg_zapobj); 784 (void) printf("\t\tflags = %llx\n", 785 (u_longlong_t)dd->dd_flags); 786 787 #define DO(which) \ 788 nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 789 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 790 DO(HEAD); 791 DO(SNAP); 792 DO(CHILD); 793 DO(CHILD_RSRV); 794 DO(REFRSRV); 795 #undef DO 796 } 797 798 /*ARGSUSED*/ 799 static void 800 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 801 { 802 dsl_dataset_phys_t *ds = data; 803 time_t crtime; 804 char used[6], compressed[6], uncompressed[6], unique[6]; 805 char blkbuf[BP_SPRINTF_LEN]; 806 807 if (ds == NULL) 808 return; 809 810 ASSERT(size == sizeof (*ds)); 811 crtime = ds->ds_creation_time; 812 nicenum(ds->ds_used_bytes, used); 813 nicenum(ds->ds_compressed_bytes, compressed); 814 nicenum(ds->ds_uncompressed_bytes, uncompressed); 815 nicenum(ds->ds_unique_bytes, unique); 816 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ds->ds_bp); 817 818 (void) printf("\t\tdir_obj = %llu\n", 819 (u_longlong_t)ds->ds_dir_obj); 820 (void) printf("\t\tprev_snap_obj = %llu\n", 821 (u_longlong_t)ds->ds_prev_snap_obj); 822 (void) printf("\t\tprev_snap_txg = %llu\n", 823 (u_longlong_t)ds->ds_prev_snap_txg); 824 (void) printf("\t\tnext_snap_obj = %llu\n", 825 (u_longlong_t)ds->ds_next_snap_obj); 826 (void) printf("\t\tsnapnames_zapobj = %llu\n", 827 (u_longlong_t)ds->ds_snapnames_zapobj); 828 (void) printf("\t\tnum_children = %llu\n", 829 (u_longlong_t)ds->ds_num_children); 830 (void) printf("\t\tuserrefs_obj = %llu\n", 831 (u_longlong_t)ds->ds_userrefs_obj); 832 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 833 (void) printf("\t\tcreation_txg = %llu\n", 834 (u_longlong_t)ds->ds_creation_txg); 835 (void) printf("\t\tdeadlist_obj = %llu\n", 836 (u_longlong_t)ds->ds_deadlist_obj); 837 (void) printf("\t\tused_bytes = %s\n", used); 838 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 839 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 840 (void) printf("\t\tunique = %s\n", unique); 841 (void) printf("\t\tfsid_guid = %llu\n", 842 (u_longlong_t)ds->ds_fsid_guid); 843 (void) printf("\t\tguid = %llu\n", 844 (u_longlong_t)ds->ds_guid); 845 (void) printf("\t\tflags = %llx\n", 846 (u_longlong_t)ds->ds_flags); 847 (void) printf("\t\tnext_clones_obj = %llu\n", 848 (u_longlong_t)ds->ds_next_clones_obj); 849 (void) printf("\t\tprops_obj = %llu\n", 850 (u_longlong_t)ds->ds_props_obj); 851 (void) printf("\t\tbp = %s\n", blkbuf); 852 } 853 854 static void 855 dump_bplist(objset_t *mos, uint64_t object, char *name) 856 { 857 bplist_t bpl = { 0 }; 858 blkptr_t blk, *bp = &blk; 859 uint64_t itor = 0; 860 char bytes[6]; 861 char comp[6]; 862 char uncomp[6]; 863 864 if (dump_opt['d'] < 3) 865 return; 866 867 mutex_init(&bpl.bpl_lock, NULL, MUTEX_DEFAULT, NULL); 868 VERIFY(0 == bplist_open(&bpl, mos, object)); 869 if (bplist_empty(&bpl)) { 870 bplist_close(&bpl); 871 mutex_destroy(&bpl.bpl_lock); 872 return; 873 } 874 875 nicenum(bpl.bpl_phys->bpl_bytes, bytes); 876 if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) { 877 nicenum(bpl.bpl_phys->bpl_comp, comp); 878 nicenum(bpl.bpl_phys->bpl_uncomp, uncomp); 879 (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n", 880 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, 881 bytes, comp, uncomp); 882 } else { 883 (void) printf("\n %s: %llu entries, %s\n", 884 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes); 885 } 886 887 if (dump_opt['d'] < 5) { 888 bplist_close(&bpl); 889 mutex_destroy(&bpl.bpl_lock); 890 return; 891 } 892 893 (void) printf("\n"); 894 895 while (bplist_iterate(&bpl, &itor, bp) == 0) { 896 char blkbuf[BP_SPRINTF_LEN]; 897 898 ASSERT(bp->blk_birth != 0); 899 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0); 900 (void) printf("\tItem %3llu: %s\n", 901 (u_longlong_t)itor - 1, blkbuf); 902 } 903 904 bplist_close(&bpl); 905 mutex_destroy(&bpl.bpl_lock); 906 } 907 908 static avl_tree_t idx_tree; 909 static avl_tree_t domain_tree; 910 static boolean_t fuid_table_loaded; 911 912 static void 913 fuid_table_destroy() 914 { 915 if (fuid_table_loaded) { 916 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 917 fuid_table_loaded = B_FALSE; 918 } 919 } 920 921 /* 922 * print uid or gid information. 923 * For normal POSIX id just the id is printed in decimal format. 924 * For CIFS files with FUID the fuid is printed in hex followed by 925 * the doman-rid string. 926 */ 927 static void 928 print_idstr(uint64_t id, const char *id_type) 929 { 930 if (FUID_INDEX(id)) { 931 char *domain; 932 933 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 934 (void) printf("\t%s %llx [%s-%d]\n", id_type, 935 (u_longlong_t)id, domain, (int)FUID_RID(id)); 936 } else { 937 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 938 } 939 940 } 941 942 static void 943 dump_uidgid(objset_t *os, znode_phys_t *zp) 944 { 945 uint32_t uid_idx, gid_idx; 946 947 uid_idx = FUID_INDEX(zp->zp_uid); 948 gid_idx = FUID_INDEX(zp->zp_gid); 949 950 /* Load domain table, if not already loaded */ 951 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 952 uint64_t fuid_obj; 953 954 /* first find the fuid object. It lives in the master node */ 955 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 956 8, 1, &fuid_obj) == 0); 957 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 958 (void) zfs_fuid_table_load(os, fuid_obj, 959 &idx_tree, &domain_tree); 960 fuid_table_loaded = B_TRUE; 961 } 962 963 print_idstr(zp->zp_uid, "uid"); 964 print_idstr(zp->zp_gid, "gid"); 965 } 966 967 /*ARGSUSED*/ 968 static void 969 dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 970 { 971 znode_phys_t *zp = data; 972 time_t z_crtime, z_atime, z_mtime, z_ctime; 973 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 974 int error; 975 976 ASSERT(size >= sizeof (znode_phys_t)); 977 978 error = zfs_obj_to_path(os, object, path, sizeof (path)); 979 if (error != 0) { 980 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 981 (u_longlong_t)object); 982 } 983 984 if (dump_opt['d'] < 3) { 985 (void) printf("\t%s\n", path); 986 return; 987 } 988 989 z_crtime = (time_t)zp->zp_crtime[0]; 990 z_atime = (time_t)zp->zp_atime[0]; 991 z_mtime = (time_t)zp->zp_mtime[0]; 992 z_ctime = (time_t)zp->zp_ctime[0]; 993 994 (void) printf("\tpath %s\n", path); 995 dump_uidgid(os, zp); 996 (void) printf("\tatime %s", ctime(&z_atime)); 997 (void) printf("\tmtime %s", ctime(&z_mtime)); 998 (void) printf("\tctime %s", ctime(&z_ctime)); 999 (void) printf("\tcrtime %s", ctime(&z_crtime)); 1000 (void) printf("\tgen %llu\n", (u_longlong_t)zp->zp_gen); 1001 (void) printf("\tmode %llo\n", (u_longlong_t)zp->zp_mode); 1002 (void) printf("\tsize %llu\n", (u_longlong_t)zp->zp_size); 1003 (void) printf("\tparent %llu\n", (u_longlong_t)zp->zp_parent); 1004 (void) printf("\tlinks %llu\n", (u_longlong_t)zp->zp_links); 1005 (void) printf("\txattr %llu\n", (u_longlong_t)zp->zp_xattr); 1006 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)zp->zp_rdev); 1007 } 1008 1009 /*ARGSUSED*/ 1010 static void 1011 dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1012 { 1013 } 1014 1015 /*ARGSUSED*/ 1016 static void 1017 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1018 { 1019 } 1020 1021 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = { 1022 dump_none, /* unallocated */ 1023 dump_zap, /* object directory */ 1024 dump_uint64, /* object array */ 1025 dump_none, /* packed nvlist */ 1026 dump_packed_nvlist, /* packed nvlist size */ 1027 dump_none, /* bplist */ 1028 dump_none, /* bplist header */ 1029 dump_none, /* SPA space map header */ 1030 dump_none, /* SPA space map */ 1031 dump_none, /* ZIL intent log */ 1032 dump_dnode, /* DMU dnode */ 1033 dump_dmu_objset, /* DMU objset */ 1034 dump_dsl_dir, /* DSL directory */ 1035 dump_zap, /* DSL directory child map */ 1036 dump_zap, /* DSL dataset snap map */ 1037 dump_zap, /* DSL props */ 1038 dump_dsl_dataset, /* DSL dataset */ 1039 dump_znode, /* ZFS znode */ 1040 dump_acl, /* ZFS V0 ACL */ 1041 dump_uint8, /* ZFS plain file */ 1042 dump_zpldir, /* ZFS directory */ 1043 dump_zap, /* ZFS master node */ 1044 dump_zap, /* ZFS delete queue */ 1045 dump_uint8, /* zvol object */ 1046 dump_zap, /* zvol prop */ 1047 dump_uint8, /* other uint8[] */ 1048 dump_uint64, /* other uint64[] */ 1049 dump_zap, /* other ZAP */ 1050 dump_zap, /* persistent error log */ 1051 dump_uint8, /* SPA history */ 1052 dump_uint64, /* SPA history offsets */ 1053 dump_zap, /* Pool properties */ 1054 dump_zap, /* DSL permissions */ 1055 dump_acl, /* ZFS ACL */ 1056 dump_uint8, /* ZFS SYSACL */ 1057 dump_none, /* FUID nvlist */ 1058 dump_packed_nvlist, /* FUID nvlist size */ 1059 dump_zap, /* DSL dataset next clones */ 1060 dump_zap, /* DSL scrub queue */ 1061 dump_zap, /* ZFS user/group used */ 1062 dump_zap, /* ZFS user/group quota */ 1063 dump_zap, /* snapshot refcount tags */ 1064 }; 1065 1066 static void 1067 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1068 { 1069 dmu_buf_t *db = NULL; 1070 dmu_object_info_t doi; 1071 dnode_t *dn; 1072 void *bonus = NULL; 1073 size_t bsize = 0; 1074 char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], segsize[6]; 1075 char aux[50]; 1076 int error; 1077 1078 if (*print_header) { 1079 (void) printf("\n Object lvl iblk dblk lsize" 1080 " asize type\n"); 1081 *print_header = 0; 1082 } 1083 1084 if (object == 0) { 1085 dn = os->os_meta_dnode; 1086 } else { 1087 error = dmu_bonus_hold(os, object, FTAG, &db); 1088 if (error) 1089 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1090 object, error); 1091 bonus = db->db_data; 1092 bsize = db->db_size; 1093 dn = ((dmu_buf_impl_t *)db)->db_dnode; 1094 } 1095 dmu_object_info_from_dnode(dn, &doi); 1096 1097 nicenum(doi.doi_metadata_block_size, iblk); 1098 nicenum(doi.doi_data_block_size, dblk); 1099 nicenum(doi.doi_data_block_size * (doi.doi_max_block_offset + 1), 1100 lsize); 1101 nicenum(doi.doi_physical_blks << 9, asize); 1102 nicenum(doi.doi_bonus_size, bonus_size); 1103 1104 aux[0] = '\0'; 1105 1106 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1107 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1108 zio_checksum_table[doi.doi_checksum].ci_name); 1109 } 1110 1111 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1112 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1113 zio_compress_table[doi.doi_compress].ci_name); 1114 } 1115 1116 (void) printf("%10lld %3u %5s %5s %5s %5s %s%s\n", 1117 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, lsize, 1118 asize, dmu_ot[doi.doi_type].ot_name, aux); 1119 1120 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1121 (void) printf("%10s %3s %5s %5s %5s %5s %s\n", 1122 "", "", "", "", bonus_size, "bonus", 1123 dmu_ot[doi.doi_bonus_type].ot_name); 1124 } 1125 1126 if (verbosity >= 4) { 1127 (void) printf("\tdnode flags: %s%s\n", 1128 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1129 "USED_BYTES " : "", 1130 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1131 "USERUSED_ACCOUNTED " : ""); 1132 (void) printf("\tdnode maxblkid: %llu\n", 1133 (longlong_t)dn->dn_phys->dn_maxblkid); 1134 1135 object_viewer[doi.doi_bonus_type](os, object, bonus, bsize); 1136 object_viewer[doi.doi_type](os, object, NULL, 0); 1137 *print_header = 1; 1138 } 1139 1140 if (verbosity >= 5) 1141 dump_indirect(dn); 1142 1143 if (verbosity >= 5) { 1144 /* 1145 * Report the list of segments that comprise the object. 1146 */ 1147 uint64_t start = 0; 1148 uint64_t end; 1149 uint64_t blkfill = 1; 1150 int minlvl = 1; 1151 1152 if (dn->dn_type == DMU_OT_DNODE) { 1153 minlvl = 0; 1154 blkfill = DNODES_PER_BLOCK; 1155 } 1156 1157 for (;;) { 1158 error = dnode_next_offset(dn, 1159 0, &start, minlvl, blkfill, 0); 1160 if (error) 1161 break; 1162 end = start; 1163 error = dnode_next_offset(dn, 1164 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1165 nicenum(end - start, segsize); 1166 (void) printf("\t\tsegment [%016llx, %016llx)" 1167 " size %5s\n", (u_longlong_t)start, 1168 (u_longlong_t)end, segsize); 1169 if (error) 1170 break; 1171 start = end; 1172 } 1173 } 1174 1175 if (db != NULL) 1176 dmu_buf_rele(db, FTAG); 1177 } 1178 1179 static char *objset_types[DMU_OST_NUMTYPES] = { 1180 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1181 1182 static void 1183 dump_dir(objset_t *os) 1184 { 1185 dmu_objset_stats_t dds; 1186 uint64_t object, object_count; 1187 uint64_t refdbytes, usedobjs, scratch; 1188 char numbuf[8]; 1189 char blkbuf[BP_SPRINTF_LEN + 20]; 1190 char osname[MAXNAMELEN]; 1191 char *type = "UNKNOWN"; 1192 int verbosity = dump_opt['d']; 1193 int print_header = 1; 1194 int i, error; 1195 1196 dmu_objset_fast_stat(os, &dds); 1197 1198 if (dds.dds_type < DMU_OST_NUMTYPES) 1199 type = objset_types[dds.dds_type]; 1200 1201 if (dds.dds_type == DMU_OST_META) { 1202 dds.dds_creation_txg = TXG_INITIAL; 1203 usedobjs = os->os_rootbp->blk_fill; 1204 refdbytes = os->os_spa->spa_dsl_pool-> 1205 dp_mos_dir->dd_phys->dd_used_bytes; 1206 } else { 1207 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1208 } 1209 1210 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill); 1211 1212 nicenum(refdbytes, numbuf); 1213 1214 if (verbosity >= 4) { 1215 (void) sprintf(blkbuf, ", rootbp "); 1216 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), 1217 BP_SPRINTF_LEN - strlen(blkbuf), os->os_rootbp); 1218 } else { 1219 blkbuf[0] = '\0'; 1220 } 1221 1222 dmu_objset_name(os, osname); 1223 1224 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1225 "%s, %llu objects%s\n", 1226 osname, type, (u_longlong_t)dmu_objset_id(os), 1227 (u_longlong_t)dds.dds_creation_txg, 1228 numbuf, (u_longlong_t)usedobjs, blkbuf); 1229 1230 dump_intent_log(dmu_objset_zil(os)); 1231 1232 if (dmu_objset_ds(os) != NULL) 1233 dump_bplist(dmu_objset_pool(os)->dp_meta_objset, 1234 dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist"); 1235 1236 if (verbosity < 2) 1237 return; 1238 1239 if (os->os_rootbp->blk_birth == 0) 1240 return; 1241 1242 if (zopt_objects != 0) { 1243 for (i = 0; i < zopt_objects; i++) 1244 dump_object(os, zopt_object[i], verbosity, 1245 &print_header); 1246 (void) printf("\n"); 1247 return; 1248 } 1249 1250 dump_object(os, 0, verbosity, &print_header); 1251 object_count = 0; 1252 if (os->os_userused_dnode && 1253 os->os_userused_dnode->dn_type != 0) { 1254 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1255 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1256 } 1257 1258 object = 0; 1259 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1260 dump_object(os, object, verbosity, &print_header); 1261 object_count++; 1262 } 1263 1264 ASSERT3U(object_count, ==, usedobjs); 1265 1266 (void) printf("\n"); 1267 1268 if (error != ESRCH) { 1269 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1270 abort(); 1271 } 1272 } 1273 1274 static void 1275 dump_uberblock(uberblock_t *ub) 1276 { 1277 time_t timestamp = ub->ub_timestamp; 1278 1279 (void) printf("Uberblock\n\n"); 1280 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1281 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1282 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1283 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1284 (void) printf("\ttimestamp = %llu UTC = %s", 1285 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1286 if (dump_opt['u'] >= 3) { 1287 char blkbuf[BP_SPRINTF_LEN]; 1288 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ub->ub_rootbp); 1289 (void) printf("\trootbp = %s\n", blkbuf); 1290 } 1291 (void) printf("\n"); 1292 } 1293 1294 static void 1295 dump_config(const char *pool) 1296 { 1297 spa_t *spa = NULL; 1298 1299 mutex_enter(&spa_namespace_lock); 1300 while ((spa = spa_next(spa)) != NULL) { 1301 if (pool == NULL) 1302 (void) printf("%s\n", spa_name(spa)); 1303 if (pool == NULL || strcmp(pool, spa_name(spa)) == 0) 1304 dump_nvlist(spa->spa_config, 4); 1305 } 1306 mutex_exit(&spa_namespace_lock); 1307 } 1308 1309 static void 1310 dump_cachefile(const char *cachefile) 1311 { 1312 int fd; 1313 struct stat64 statbuf; 1314 char *buf; 1315 nvlist_t *config; 1316 1317 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1318 (void) printf("cannot open '%s': %s\n", cachefile, 1319 strerror(errno)); 1320 exit(1); 1321 } 1322 1323 if (fstat64(fd, &statbuf) != 0) { 1324 (void) printf("failed to stat '%s': %s\n", cachefile, 1325 strerror(errno)); 1326 exit(1); 1327 } 1328 1329 if ((buf = malloc(statbuf.st_size)) == NULL) { 1330 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1331 (u_longlong_t)statbuf.st_size); 1332 exit(1); 1333 } 1334 1335 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1336 (void) fprintf(stderr, "failed to read %llu bytes\n", 1337 (u_longlong_t)statbuf.st_size); 1338 exit(1); 1339 } 1340 1341 (void) close(fd); 1342 1343 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1344 (void) fprintf(stderr, "failed to unpack nvlist\n"); 1345 exit(1); 1346 } 1347 1348 free(buf); 1349 1350 dump_nvlist(config, 0); 1351 1352 nvlist_free(config); 1353 } 1354 1355 static void 1356 dump_label(const char *dev) 1357 { 1358 int fd; 1359 vdev_label_t label; 1360 char *buf = label.vl_vdev_phys.vp_nvlist; 1361 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1362 struct stat64 statbuf; 1363 uint64_t psize; 1364 int l; 1365 1366 if ((fd = open64(dev, O_RDONLY)) < 0) { 1367 (void) printf("cannot open '%s': %s\n", dev, strerror(errno)); 1368 exit(1); 1369 } 1370 1371 if (fstat64(fd, &statbuf) != 0) { 1372 (void) printf("failed to stat '%s': %s\n", dev, 1373 strerror(errno)); 1374 exit(1); 1375 } 1376 1377 psize = statbuf.st_size; 1378 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1379 1380 for (l = 0; l < VDEV_LABELS; l++) { 1381 1382 nvlist_t *config = NULL; 1383 1384 (void) printf("--------------------------------------------\n"); 1385 (void) printf("LABEL %d\n", l); 1386 (void) printf("--------------------------------------------\n"); 1387 1388 if (pread64(fd, &label, sizeof (label), 1389 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1390 (void) printf("failed to read label %d\n", l); 1391 continue; 1392 } 1393 1394 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1395 (void) printf("failed to unpack label %d\n", l); 1396 continue; 1397 } 1398 dump_nvlist(config, 4); 1399 nvlist_free(config); 1400 } 1401 } 1402 1403 /*ARGSUSED*/ 1404 static int 1405 dump_one_dir(char *dsname, void *arg) 1406 { 1407 int error; 1408 objset_t *os; 1409 1410 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 1411 if (error) { 1412 (void) printf("Could not open %s\n", dsname); 1413 return (0); 1414 } 1415 dump_dir(os); 1416 dmu_objset_disown(os, FTAG); 1417 fuid_table_destroy(); 1418 return (0); 1419 } 1420 1421 static void 1422 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 1423 { 1424 vdev_t *vd = sm->sm_ppd; 1425 1426 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 1427 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 1428 } 1429 1430 /* ARGSUSED */ 1431 static void 1432 zdb_space_map_load(space_map_t *sm) 1433 { 1434 } 1435 1436 static void 1437 zdb_space_map_unload(space_map_t *sm) 1438 { 1439 space_map_vacate(sm, zdb_leak, sm); 1440 } 1441 1442 /* ARGSUSED */ 1443 static void 1444 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 1445 { 1446 } 1447 1448 static space_map_ops_t zdb_space_map_ops = { 1449 zdb_space_map_load, 1450 zdb_space_map_unload, 1451 NULL, /* alloc */ 1452 zdb_space_map_claim, 1453 NULL, /* free */ 1454 NULL /* maxsize */ 1455 }; 1456 1457 static void 1458 zdb_leak_init(spa_t *spa) 1459 { 1460 vdev_t *rvd = spa->spa_root_vdev; 1461 1462 for (int c = 0; c < rvd->vdev_children; c++) { 1463 vdev_t *vd = rvd->vdev_child[c]; 1464 for (int m = 0; m < vd->vdev_ms_count; m++) { 1465 metaslab_t *msp = vd->vdev_ms[m]; 1466 mutex_enter(&msp->ms_lock); 1467 VERIFY(space_map_load(&msp->ms_map, &zdb_space_map_ops, 1468 SM_ALLOC, &msp->ms_smo, spa->spa_meta_objset) == 0); 1469 msp->ms_map.sm_ppd = vd; 1470 mutex_exit(&msp->ms_lock); 1471 } 1472 } 1473 } 1474 1475 static void 1476 zdb_leak_fini(spa_t *spa) 1477 { 1478 vdev_t *rvd = spa->spa_root_vdev; 1479 1480 for (int c = 0; c < rvd->vdev_children; c++) { 1481 vdev_t *vd = rvd->vdev_child[c]; 1482 for (int m = 0; m < vd->vdev_ms_count; m++) { 1483 metaslab_t *msp = vd->vdev_ms[m]; 1484 mutex_enter(&msp->ms_lock); 1485 space_map_unload(&msp->ms_map); 1486 mutex_exit(&msp->ms_lock); 1487 } 1488 } 1489 } 1490 1491 /* 1492 * Verify that the sum of the sizes of all blocks in the pool adds up 1493 * to the SPA's sa_alloc total. 1494 */ 1495 typedef struct zdb_blkstats { 1496 uint64_t zb_asize; 1497 uint64_t zb_lsize; 1498 uint64_t zb_psize; 1499 uint64_t zb_count; 1500 } zdb_blkstats_t; 1501 1502 #define DMU_OT_DEFERRED DMU_OT_NONE 1503 #define DMU_OT_TOTAL DMU_OT_NUMTYPES 1504 1505 #define ZB_TOTAL DN_MAX_LEVELS 1506 1507 typedef struct zdb_cb { 1508 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][DMU_OT_TOTAL + 1]; 1509 uint64_t zcb_errors[256]; 1510 int zcb_readfails; 1511 int zcb_haderrors; 1512 } zdb_cb_t; 1513 1514 static void 1515 zdb_count_block(spa_t *spa, zdb_cb_t *zcb, blkptr_t *bp, dmu_object_type_t type) 1516 { 1517 for (int i = 0; i < 4; i++) { 1518 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 1519 int t = (i & 1) ? type : DMU_OT_TOTAL; 1520 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 1521 1522 zb->zb_asize += BP_GET_ASIZE(bp); 1523 zb->zb_lsize += BP_GET_LSIZE(bp); 1524 zb->zb_psize += BP_GET_PSIZE(bp); 1525 zb->zb_count++; 1526 } 1527 1528 if (dump_opt['S']) { 1529 boolean_t print_sig; 1530 1531 print_sig = !zdb_sig_user_data || (BP_GET_LEVEL(bp) == 0 && 1532 BP_GET_TYPE(bp) == DMU_OT_PLAIN_FILE_CONTENTS); 1533 1534 if (BP_GET_CHECKSUM(bp) < zdb_sig_cksumalg) 1535 print_sig = B_FALSE; 1536 1537 if (print_sig) { 1538 (void) printf("%llu\t%lld\t%lld\t%s\t%s\t%s\t" 1539 "%llx:%llx:%llx:%llx\n", 1540 (u_longlong_t)BP_GET_LEVEL(bp), 1541 (longlong_t)BP_GET_PSIZE(bp), 1542 (longlong_t)BP_GET_NDVAS(bp), 1543 dmu_ot[BP_GET_TYPE(bp)].ot_name, 1544 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name, 1545 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name, 1546 (u_longlong_t)bp->blk_cksum.zc_word[0], 1547 (u_longlong_t)bp->blk_cksum.zc_word[1], 1548 (u_longlong_t)bp->blk_cksum.zc_word[2], 1549 (u_longlong_t)bp->blk_cksum.zc_word[3]); 1550 } 1551 } 1552 1553 if (!dump_opt['L']) 1554 VERIFY(zio_wait(zio_claim(NULL, spa, spa_first_txg(spa), bp, 1555 NULL, NULL, ZIO_FLAG_MUSTSUCCEED)) == 0); 1556 } 1557 1558 static int 1559 zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb, 1560 const dnode_phys_t *dnp, void *arg) 1561 { 1562 zdb_cb_t *zcb = arg; 1563 char blkbuf[BP_SPRINTF_LEN]; 1564 dmu_object_type_t type; 1565 boolean_t is_l0_metadata; 1566 1567 if (bp == NULL) 1568 return (0); 1569 1570 type = BP_GET_TYPE(bp); 1571 1572 zdb_count_block(spa, zcb, bp, type); 1573 1574 /* 1575 * if we do metadata-only checksumming there's no need to checksum 1576 * indirect blocks here because it is done during traverse 1577 */ 1578 is_l0_metadata = (BP_GET_LEVEL(bp) == 0 && type < DMU_OT_NUMTYPES && 1579 dmu_ot[type].ot_metadata); 1580 1581 if (dump_opt['c'] > 1 || dump_opt['S'] || 1582 (dump_opt['c'] && is_l0_metadata)) { 1583 int ioerr, size; 1584 void *data; 1585 1586 size = BP_GET_LSIZE(bp); 1587 data = malloc(size); 1588 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size, 1589 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, 1590 ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB, zb)); 1591 free(data); 1592 1593 /* We expect io errors on intent log */ 1594 if (ioerr && type != DMU_OT_INTENT_LOG) { 1595 zcb->zcb_haderrors = 1; 1596 zcb->zcb_errors[ioerr]++; 1597 1598 if (dump_opt['b'] >= 2) 1599 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 1600 else 1601 blkbuf[0] = '\0'; 1602 1603 if (!dump_opt['S']) { 1604 (void) printf("zdb_blkptr_cb: " 1605 "Got error %d reading " 1606 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 1607 ioerr, 1608 (u_longlong_t)zb->zb_objset, 1609 (u_longlong_t)zb->zb_object, 1610 (u_longlong_t)zb->zb_level, 1611 (u_longlong_t)zb->zb_blkid, 1612 blkbuf); 1613 } 1614 } 1615 } 1616 1617 zcb->zcb_readfails = 0; 1618 1619 if (dump_opt['b'] >= 4) { 1620 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 1621 (void) printf("objset %llu object %llu offset 0x%llx %s\n", 1622 (u_longlong_t)zb->zb_objset, 1623 (u_longlong_t)zb->zb_object, 1624 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid), 1625 blkbuf); 1626 } 1627 1628 return (0); 1629 } 1630 1631 static int 1632 dump_block_stats(spa_t *spa) 1633 { 1634 zdb_cb_t zcb = { 0 }; 1635 zdb_blkstats_t *zb, *tzb; 1636 uint64_t alloc, space, logalloc; 1637 vdev_t *rvd = spa->spa_root_vdev; 1638 int leaks = 0; 1639 int c, e; 1640 1641 if (!dump_opt['S']) { 1642 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n", 1643 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 1644 (dump_opt['c'] == 1) ? "metadata " : "", 1645 dump_opt['c'] ? "checksums " : "", 1646 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 1647 !dump_opt['L'] ? "nothing leaked " : ""); 1648 } 1649 1650 /* 1651 * Load all space maps as SM_ALLOC maps, then traverse the pool 1652 * claiming each block we discover. If the pool is perfectly 1653 * consistent, the space maps will be empty when we're done. 1654 * Anything left over is a leak; any block we can't claim (because 1655 * it's not part of any space map) is a double allocation, 1656 * reference to a freed block, or an unclaimed log block. 1657 */ 1658 if (!dump_opt['L']) 1659 zdb_leak_init(spa); 1660 1661 /* 1662 * If there's a deferred-free bplist, process that first. 1663 */ 1664 if (spa->spa_sync_bplist_obj != 0) { 1665 bplist_t *bpl = &spa->spa_sync_bplist; 1666 blkptr_t blk; 1667 uint64_t itor = 0; 1668 1669 VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset, 1670 spa->spa_sync_bplist_obj)); 1671 1672 while (bplist_iterate(bpl, &itor, &blk) == 0) { 1673 if (dump_opt['b'] >= 4) { 1674 char blkbuf[BP_SPRINTF_LEN]; 1675 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &blk); 1676 (void) printf("[%s] %s\n", 1677 "deferred free", blkbuf); 1678 } 1679 zdb_count_block(spa, &zcb, &blk, DMU_OT_DEFERRED); 1680 } 1681 1682 bplist_close(bpl); 1683 } 1684 1685 zcb.zcb_haderrors |= traverse_pool(spa, zdb_blkptr_cb, &zcb); 1686 1687 if (zcb.zcb_haderrors && !dump_opt['S']) { 1688 (void) printf("\nError counts:\n\n"); 1689 (void) printf("\t%5s %s\n", "errno", "count"); 1690 for (e = 0; e < 256; e++) { 1691 if (zcb.zcb_errors[e] != 0) { 1692 (void) printf("\t%5d %llu\n", 1693 e, (u_longlong_t)zcb.zcb_errors[e]); 1694 } 1695 } 1696 } 1697 1698 /* 1699 * Report any leaked segments. 1700 */ 1701 if (!dump_opt['L']) 1702 zdb_leak_fini(spa); 1703 1704 /* 1705 * If we're interested in printing out the blkptr signatures, 1706 * return now as we don't print out anything else (including 1707 * errors and leaks). 1708 */ 1709 if (dump_opt['S']) 1710 return (zcb.zcb_haderrors ? 3 : 0); 1711 1712 alloc = spa_get_alloc(spa); 1713 space = spa_get_space(spa); 1714 1715 /* 1716 * Log blocks allocated from a separate log device don't count 1717 * as part of the normal pool space; factor them in here. 1718 */ 1719 logalloc = 0; 1720 1721 for (c = 0; c < rvd->vdev_children; c++) 1722 if (rvd->vdev_child[c]->vdev_islog) 1723 logalloc += rvd->vdev_child[c]->vdev_stat.vs_alloc; 1724 1725 tzb = &zcb.zcb_type[ZB_TOTAL][DMU_OT_TOTAL]; 1726 1727 if (tzb->zb_asize == alloc + logalloc) { 1728 if (!dump_opt['L']) 1729 (void) printf("\n\tNo leaks (block sum matches space" 1730 " maps exactly)\n"); 1731 } else { 1732 (void) printf("block traversal size %llu != alloc %llu " 1733 "(%s %lld)\n", 1734 (u_longlong_t)tzb->zb_asize, 1735 (u_longlong_t)alloc + logalloc, 1736 (dump_opt['L']) ? "unreachable" : "leaked", 1737 (longlong_t)(alloc + logalloc - tzb->zb_asize)); 1738 leaks = 1; 1739 } 1740 1741 if (tzb->zb_count == 0) 1742 return (2); 1743 1744 (void) printf("\n"); 1745 (void) printf("\tbp count: %10llu\n", 1746 (u_longlong_t)tzb->zb_count); 1747 (void) printf("\tbp logical: %10llu\t avg: %6llu\n", 1748 (u_longlong_t)tzb->zb_lsize, 1749 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 1750 (void) printf("\tbp physical: %10llu\t avg:" 1751 " %6llu\tcompression: %6.2f\n", 1752 (u_longlong_t)tzb->zb_psize, 1753 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 1754 (double)tzb->zb_lsize / tzb->zb_psize); 1755 (void) printf("\tbp allocated: %10llu\t avg:" 1756 " %6llu\tcompression: %6.2f\n", 1757 (u_longlong_t)tzb->zb_asize, 1758 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 1759 (double)tzb->zb_lsize / tzb->zb_asize); 1760 (void) printf("\tSPA allocated: %10llu\tused: %5.2f%%\n", 1761 (u_longlong_t)alloc, 100.0 * alloc / space); 1762 1763 if (dump_opt['b'] >= 2) { 1764 int l, t, level; 1765 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 1766 "\t avg\t comp\t%%Total\tType\n"); 1767 1768 for (t = 0; t <= DMU_OT_NUMTYPES; t++) { 1769 char csize[6], lsize[6], psize[6], asize[6], avg[6]; 1770 char *typename; 1771 1772 typename = t == DMU_OT_DEFERRED ? "deferred free" : 1773 t == DMU_OT_TOTAL ? "Total" : dmu_ot[t].ot_name; 1774 1775 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 1776 (void) printf("%6s\t%5s\t%5s\t%5s" 1777 "\t%5s\t%5s\t%6s\t%s\n", 1778 "-", 1779 "-", 1780 "-", 1781 "-", 1782 "-", 1783 "-", 1784 "-", 1785 typename); 1786 continue; 1787 } 1788 1789 for (l = ZB_TOTAL - 1; l >= -1; l--) { 1790 level = (l == -1 ? ZB_TOTAL : l); 1791 zb = &zcb.zcb_type[level][t]; 1792 1793 if (zb->zb_asize == 0) 1794 continue; 1795 1796 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 1797 continue; 1798 1799 if (level == 0 && zb->zb_asize == 1800 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 1801 continue; 1802 1803 nicenum(zb->zb_count, csize); 1804 nicenum(zb->zb_lsize, lsize); 1805 nicenum(zb->zb_psize, psize); 1806 nicenum(zb->zb_asize, asize); 1807 nicenum(zb->zb_asize / zb->zb_count, avg); 1808 1809 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 1810 "\t%5.2f\t%6.2f\t", 1811 csize, lsize, psize, asize, avg, 1812 (double)zb->zb_lsize / zb->zb_psize, 1813 100.0 * zb->zb_asize / tzb->zb_asize); 1814 1815 if (level == ZB_TOTAL) 1816 (void) printf("%s\n", typename); 1817 else 1818 (void) printf(" L%d %s\n", 1819 level, typename); 1820 } 1821 } 1822 } 1823 1824 (void) printf("\n"); 1825 1826 if (leaks) 1827 return (2); 1828 1829 if (zcb.zcb_haderrors) 1830 return (3); 1831 1832 return (0); 1833 } 1834 1835 static void 1836 dump_zpool(spa_t *spa) 1837 { 1838 dsl_pool_t *dp = spa_get_dsl(spa); 1839 int rc = 0; 1840 1841 if (dump_opt['u']) 1842 dump_uberblock(&spa->spa_uberblock); 1843 1844 if (dump_opt['d'] || dump_opt['i'] || dump_opt['m']) { 1845 dump_dir(dp->dp_meta_objset); 1846 if (dump_opt['d'] >= 3) { 1847 dump_bplist(dp->dp_meta_objset, 1848 spa->spa_sync_bplist_obj, "Deferred frees"); 1849 dump_dtl(spa->spa_root_vdev, 0); 1850 } 1851 1852 if (dump_opt['d'] >= 3 || dump_opt['m']) 1853 dump_metaslabs(spa); 1854 1855 (void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL, 1856 DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 1857 } 1858 1859 if (dump_opt['b'] || dump_opt['c'] || dump_opt['S']) 1860 rc = dump_block_stats(spa); 1861 1862 if (dump_opt['s']) 1863 show_pool_stats(spa); 1864 1865 if (dump_opt['h']) 1866 dump_history(spa); 1867 1868 if (rc != 0) 1869 exit(rc); 1870 } 1871 1872 #define ZDB_FLAG_CHECKSUM 0x0001 1873 #define ZDB_FLAG_DECOMPRESS 0x0002 1874 #define ZDB_FLAG_BSWAP 0x0004 1875 #define ZDB_FLAG_GBH 0x0008 1876 #define ZDB_FLAG_INDIRECT 0x0010 1877 #define ZDB_FLAG_PHYS 0x0020 1878 #define ZDB_FLAG_RAW 0x0040 1879 #define ZDB_FLAG_PRINT_BLKPTR 0x0080 1880 1881 int flagbits[256]; 1882 1883 static void 1884 zdb_print_blkptr(blkptr_t *bp, int flags) 1885 { 1886 dva_t *dva = bp->blk_dva; 1887 int d; 1888 1889 if (flags & ZDB_FLAG_BSWAP) 1890 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 1891 /* 1892 * Super-ick warning: This code is also duplicated in 1893 * cmd/mdb/common/modules/zfs/zfs.c . Yeah, I hate code 1894 * replication, too. 1895 */ 1896 for (d = 0; d < BP_GET_NDVAS(bp); d++) { 1897 (void) printf("\tDVA[%d]: vdev_id %lld / %llx\n", d, 1898 (longlong_t)DVA_GET_VDEV(&dva[d]), 1899 (longlong_t)DVA_GET_OFFSET(&dva[d])); 1900 (void) printf("\tDVA[%d]: GANG: %-5s GRID: %04llx\t" 1901 "ASIZE: %llx\n", d, 1902 DVA_GET_GANG(&dva[d]) ? "TRUE" : "FALSE", 1903 (longlong_t)DVA_GET_GRID(&dva[d]), 1904 (longlong_t)DVA_GET_ASIZE(&dva[d])); 1905 (void) printf("\tDVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", d, 1906 (u_longlong_t)DVA_GET_VDEV(&dva[d]), 1907 (longlong_t)DVA_GET_OFFSET(&dva[d]), 1908 (longlong_t)BP_GET_PSIZE(bp), 1909 BP_SHOULD_BYTESWAP(bp) ? "e" : "", 1910 !DVA_GET_GANG(&dva[d]) && BP_GET_LEVEL(bp) != 0 ? 1911 "d" : "", 1912 DVA_GET_GANG(&dva[d]) ? "g" : "", 1913 BP_GET_COMPRESS(bp) != 0 ? "d" : ""); 1914 } 1915 (void) printf("\tLSIZE: %-16llx\t\tPSIZE: %llx\n", 1916 (longlong_t)BP_GET_LSIZE(bp), (longlong_t)BP_GET_PSIZE(bp)); 1917 (void) printf("\tENDIAN: %6s\t\t\t\t\tTYPE: %s\n", 1918 BP_GET_BYTEORDER(bp) ? "LITTLE" : "BIG", 1919 dmu_ot[BP_GET_TYPE(bp)].ot_name); 1920 (void) printf("\tBIRTH: %-16llx LEVEL: %-2llu\tFILL: %llx\n", 1921 (u_longlong_t)bp->blk_birth, (u_longlong_t)BP_GET_LEVEL(bp), 1922 (u_longlong_t)bp->blk_fill); 1923 (void) printf("\tCKFUNC: %-16s\t\tCOMP: %s\n", 1924 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name, 1925 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name); 1926 (void) printf("\tCKSUM: %llx:%llx:%llx:%llx\n", 1927 (u_longlong_t)bp->blk_cksum.zc_word[0], 1928 (u_longlong_t)bp->blk_cksum.zc_word[1], 1929 (u_longlong_t)bp->blk_cksum.zc_word[2], 1930 (u_longlong_t)bp->blk_cksum.zc_word[3]); 1931 } 1932 1933 static void 1934 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 1935 { 1936 int i; 1937 1938 for (i = 0; i < nbps; i++) 1939 zdb_print_blkptr(&bp[i], flags); 1940 } 1941 1942 static void 1943 zdb_dump_gbh(void *buf, int flags) 1944 { 1945 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 1946 } 1947 1948 static void 1949 zdb_dump_block_raw(void *buf, uint64_t size, int flags) 1950 { 1951 if (flags & ZDB_FLAG_BSWAP) 1952 byteswap_uint64_array(buf, size); 1953 (void) write(2, buf, size); 1954 } 1955 1956 static void 1957 zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 1958 { 1959 uint64_t *d = (uint64_t *)buf; 1960 int nwords = size / sizeof (uint64_t); 1961 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 1962 int i, j; 1963 char *hdr, *c; 1964 1965 1966 if (do_bswap) 1967 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 1968 else 1969 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 1970 1971 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 1972 1973 for (i = 0; i < nwords; i += 2) { 1974 (void) printf("%06llx: %016llx %016llx ", 1975 (u_longlong_t)(i * sizeof (uint64_t)), 1976 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 1977 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 1978 1979 c = (char *)&d[i]; 1980 for (j = 0; j < 2 * sizeof (uint64_t); j++) 1981 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 1982 (void) printf("\n"); 1983 } 1984 } 1985 1986 /* 1987 * There are two acceptable formats: 1988 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 1989 * child[.child]* - For example: 0.1.1 1990 * 1991 * The second form can be used to specify arbitrary vdevs anywhere 1992 * in the heirarchy. For example, in a pool with a mirror of 1993 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 1994 */ 1995 static vdev_t * 1996 zdb_vdev_lookup(vdev_t *vdev, char *path) 1997 { 1998 char *s, *p, *q; 1999 int i; 2000 2001 if (vdev == NULL) 2002 return (NULL); 2003 2004 /* First, assume the x.x.x.x format */ 2005 i = (int)strtoul(path, &s, 10); 2006 if (s == path || (s && *s != '.' && *s != '\0')) 2007 goto name; 2008 if (i < 0 || i >= vdev->vdev_children) 2009 return (NULL); 2010 2011 vdev = vdev->vdev_child[i]; 2012 if (*s == '\0') 2013 return (vdev); 2014 return (zdb_vdev_lookup(vdev, s+1)); 2015 2016 name: 2017 for (i = 0; i < vdev->vdev_children; i++) { 2018 vdev_t *vc = vdev->vdev_child[i]; 2019 2020 if (vc->vdev_path == NULL) { 2021 vc = zdb_vdev_lookup(vc, path); 2022 if (vc == NULL) 2023 continue; 2024 else 2025 return (vc); 2026 } 2027 2028 p = strrchr(vc->vdev_path, '/'); 2029 p = p ? p + 1 : vc->vdev_path; 2030 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 2031 2032 if (strcmp(vc->vdev_path, path) == 0) 2033 return (vc); 2034 if (strcmp(p, path) == 0) 2035 return (vc); 2036 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 2037 return (vc); 2038 } 2039 2040 return (NULL); 2041 } 2042 2043 /* 2044 * Read a block from a pool and print it out. The syntax of the 2045 * block descriptor is: 2046 * 2047 * pool:vdev_specifier:offset:size[:flags] 2048 * 2049 * pool - The name of the pool you wish to read from 2050 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 2051 * offset - offset, in hex, in bytes 2052 * size - Amount of data to read, in hex, in bytes 2053 * flags - A string of characters specifying options 2054 * b: Decode a blkptr at given offset within block 2055 * *c: Calculate and display checksums 2056 * *d: Decompress data before dumping 2057 * e: Byteswap data before dumping 2058 * *g: Display data as a gang block header 2059 * *i: Display as an indirect block 2060 * p: Do I/O to physical offset 2061 * r: Dump raw data to stdout 2062 * 2063 * * = not yet implemented 2064 */ 2065 static void 2066 zdb_read_block(char *thing, spa_t **spap) 2067 { 2068 spa_t *spa = *spap; 2069 int flags = 0; 2070 uint64_t offset = 0, size = 0, blkptr_offset = 0; 2071 zio_t *zio; 2072 vdev_t *vd; 2073 void *buf; 2074 char *s, *p, *dup, *pool, *vdev, *flagstr; 2075 int i, error, zio_flags; 2076 2077 dup = strdup(thing); 2078 s = strtok(dup, ":"); 2079 pool = s ? s : ""; 2080 s = strtok(NULL, ":"); 2081 vdev = s ? s : ""; 2082 s = strtok(NULL, ":"); 2083 offset = strtoull(s ? s : "", NULL, 16); 2084 s = strtok(NULL, ":"); 2085 size = strtoull(s ? s : "", NULL, 16); 2086 s = strtok(NULL, ":"); 2087 flagstr = s ? s : ""; 2088 2089 s = NULL; 2090 if (size == 0) 2091 s = "size must not be zero"; 2092 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 2093 s = "size must be a multiple of sector size"; 2094 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 2095 s = "offset must be a multiple of sector size"; 2096 if (s) { 2097 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 2098 free(dup); 2099 return; 2100 } 2101 2102 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 2103 for (i = 0; flagstr[i]; i++) { 2104 int bit = flagbits[(uchar_t)flagstr[i]]; 2105 2106 if (bit == 0) { 2107 (void) printf("***Invalid flag: %c\n", 2108 flagstr[i]); 2109 continue; 2110 } 2111 flags |= bit; 2112 2113 /* If it's not something with an argument, keep going */ 2114 if ((bit & (ZDB_FLAG_CHECKSUM | ZDB_FLAG_DECOMPRESS | 2115 ZDB_FLAG_PRINT_BLKPTR)) == 0) 2116 continue; 2117 2118 p = &flagstr[i + 1]; 2119 if (bit == ZDB_FLAG_PRINT_BLKPTR) 2120 blkptr_offset = strtoull(p, &p, 16); 2121 if (*p != ':' && *p != '\0') { 2122 (void) printf("***Invalid flag arg: '%s'\n", s); 2123 free(dup); 2124 return; 2125 } 2126 } 2127 } 2128 2129 if (spa == NULL || strcmp(spa_name(spa), pool) != 0) { 2130 if (spa) 2131 spa_close(spa, (void *)zdb_read_block); 2132 error = spa_open(pool, spap, (void *)zdb_read_block); 2133 if (error) 2134 fatal("Failed to open pool '%s': %s", 2135 pool, strerror(error)); 2136 spa = *spap; 2137 } 2138 2139 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 2140 if (vd == NULL) { 2141 (void) printf("***Invalid vdev: %s\n", vdev); 2142 free(dup); 2143 return; 2144 } else { 2145 if (vd->vdev_path) 2146 (void) printf("Found vdev: %s\n", vd->vdev_path); 2147 else 2148 (void) printf("Found vdev type: %s\n", 2149 vd->vdev_ops->vdev_op_type); 2150 } 2151 2152 buf = umem_alloc(size, UMEM_NOFAIL); 2153 2154 zio_flags = ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2155 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY; 2156 2157 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2158 zio = zio_root(spa, NULL, NULL, 0); 2159 /* XXX todo - cons up a BP so RAID-Z will be happy */ 2160 zio_nowait(zio_vdev_child_io(zio, NULL, vd, offset, buf, size, 2161 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, zio_flags, NULL, NULL)); 2162 error = zio_wait(zio); 2163 spa_config_exit(spa, SCL_STATE, FTAG); 2164 2165 if (error) { 2166 (void) printf("Read of %s failed, error: %d\n", thing, error); 2167 goto out; 2168 } 2169 2170 if (flags & ZDB_FLAG_PRINT_BLKPTR) 2171 zdb_print_blkptr((blkptr_t *)(void *) 2172 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 2173 else if (flags & ZDB_FLAG_RAW) 2174 zdb_dump_block_raw(buf, size, flags); 2175 else if (flags & ZDB_FLAG_INDIRECT) 2176 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 2177 flags); 2178 else if (flags & ZDB_FLAG_GBH) 2179 zdb_dump_gbh(buf, flags); 2180 else 2181 zdb_dump_block(thing, buf, size, flags); 2182 2183 out: 2184 umem_free(buf, size); 2185 free(dup); 2186 } 2187 2188 static boolean_t 2189 pool_match(nvlist_t *cfg, char *tgt) 2190 { 2191 uint64_t v, guid = strtoull(tgt, NULL, 0); 2192 char *s; 2193 2194 if (guid != 0) { 2195 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 2196 return (v == guid); 2197 } else { 2198 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 2199 return (strcmp(s, tgt) == 0); 2200 } 2201 return (B_FALSE); 2202 } 2203 2204 static char * 2205 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 2206 { 2207 nvlist_t *pools; 2208 nvlist_t *match = NULL; 2209 char *name = NULL; 2210 char *sepp = NULL; 2211 char sep; 2212 int count = 0; 2213 2214 if ((sepp = strpbrk(*target, "/@")) != NULL) { 2215 sep = *sepp; 2216 *sepp = '\0'; 2217 } 2218 2219 pools = zpool_find_import_activeok(g_zfs, dirc, dirv); 2220 2221 if (pools != NULL) { 2222 nvpair_t *elem = NULL; 2223 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2224 verify(nvpair_value_nvlist(elem, configp) == 0); 2225 if (pool_match(*configp, *target)) { 2226 count++; 2227 if (match != NULL) { 2228 /* print previously found config */ 2229 if (name != NULL) { 2230 (void) printf("%s\n", name); 2231 dump_nvlist(match, 8); 2232 name = NULL; 2233 } 2234 (void) printf("%s\n", 2235 nvpair_name(elem)); 2236 dump_nvlist(*configp, 8); 2237 } else { 2238 match = *configp; 2239 name = nvpair_name(elem); 2240 } 2241 } 2242 } 2243 } 2244 if (count > 1) 2245 (void) fatal("\tMatched %d pools - use pool GUID " 2246 "instead of pool name or \n" 2247 "\tpool name part of a dataset name to select pool", count); 2248 2249 if (sepp) 2250 *sepp = sep; 2251 /* 2252 * If pool GUID was specified for pool id, replace it with pool name 2253 */ 2254 if (name && (strstr(*target, name) != *target)) { 2255 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 2256 2257 *target = umem_alloc(sz, UMEM_NOFAIL); 2258 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 2259 } 2260 2261 *configp = name ? match : NULL; 2262 2263 return (name); 2264 } 2265 2266 int 2267 main(int argc, char **argv) 2268 { 2269 int i, c; 2270 struct rlimit rl = { 1024, 1024 }; 2271 spa_t *spa = NULL; 2272 objset_t *os = NULL; 2273 char *endstr; 2274 int dump_all = 1; 2275 int verbose = 0; 2276 int error; 2277 char **searchdirs = NULL; 2278 int nsearch = 0; 2279 char *target; 2280 2281 (void) setrlimit(RLIMIT_NOFILE, &rl); 2282 (void) enable_extended_FILE_stdio(-1, -1); 2283 2284 dprintf_setup(&argc, argv); 2285 2286 while ((c = getopt(argc, argv, "udhibcmsvCLS:U:lRep:t:")) != -1) { 2287 switch (c) { 2288 case 'u': 2289 case 'd': 2290 case 'i': 2291 case 'h': 2292 case 'b': 2293 case 'c': 2294 case 'm': 2295 case 's': 2296 case 'C': 2297 case 'l': 2298 case 'R': 2299 dump_opt[c]++; 2300 dump_all = 0; 2301 break; 2302 case 'L': 2303 case 'e': 2304 dump_opt[c]++; 2305 break; 2306 case 'v': 2307 verbose++; 2308 break; 2309 case 'U': 2310 spa_config_path = optarg; 2311 break; 2312 case 'p': 2313 if (searchdirs == NULL) { 2314 searchdirs = umem_alloc(sizeof (char *), 2315 UMEM_NOFAIL); 2316 } else { 2317 char **tmp = umem_alloc((nsearch + 1) * 2318 sizeof (char *), UMEM_NOFAIL); 2319 bcopy(searchdirs, tmp, nsearch * 2320 sizeof (char *)); 2321 umem_free(searchdirs, 2322 nsearch * sizeof (char *)); 2323 searchdirs = tmp; 2324 } 2325 searchdirs[nsearch++] = optarg; 2326 break; 2327 case 'S': 2328 dump_opt[c]++; 2329 dump_all = 0; 2330 zdb_sig_user_data = (strncmp(optarg, "user:", 5) == 0); 2331 if (!zdb_sig_user_data && strncmp(optarg, "all:", 4)) 2332 usage(); 2333 endstr = strchr(optarg, ':') + 1; 2334 if (strcmp(endstr, "fletcher2") == 0) 2335 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2; 2336 else if (strcmp(endstr, "fletcher4") == 0) 2337 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_4; 2338 else if (strcmp(endstr, "sha256") == 0) 2339 zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256; 2340 else if (strcmp(endstr, "all") == 0) 2341 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2; 2342 else 2343 usage(); 2344 break; 2345 case 't': 2346 ub_max_txg = strtoull(optarg, NULL, 0); 2347 if (ub_max_txg < TXG_INITIAL) { 2348 (void) fprintf(stderr, "incorrect txg " 2349 "specified: %s\n", optarg); 2350 usage(); 2351 } 2352 break; 2353 default: 2354 usage(); 2355 break; 2356 } 2357 } 2358 2359 if (!dump_opt['e'] && searchdirs != NULL) { 2360 (void) fprintf(stderr, "-p option requires use of -e\n"); 2361 usage(); 2362 } 2363 2364 kernel_init(FREAD); 2365 g_zfs = libzfs_init(); 2366 ASSERT(g_zfs != NULL); 2367 2368 for (c = 0; c < 256; c++) { 2369 if (dump_all && !strchr("elLR", c)) 2370 dump_opt[c] = 1; 2371 if (dump_opt[c]) 2372 dump_opt[c] += verbose; 2373 } 2374 2375 argc -= optind; 2376 argv += optind; 2377 2378 if (argc < 1) { 2379 if (!dump_opt['e'] && dump_opt['C']) { 2380 dump_cachefile(spa_config_path); 2381 return (0); 2382 } 2383 usage(); 2384 } 2385 2386 if (dump_opt['l']) { 2387 dump_label(argv[0]); 2388 return (0); 2389 } 2390 2391 if (dump_opt['R']) { 2392 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 2393 flagbits['c'] = ZDB_FLAG_CHECKSUM; 2394 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 2395 flagbits['e'] = ZDB_FLAG_BSWAP; 2396 flagbits['g'] = ZDB_FLAG_GBH; 2397 flagbits['i'] = ZDB_FLAG_INDIRECT; 2398 flagbits['p'] = ZDB_FLAG_PHYS; 2399 flagbits['r'] = ZDB_FLAG_RAW; 2400 2401 spa = NULL; 2402 while (argv[0]) { 2403 zdb_read_block(argv[0], &spa); 2404 argv++; 2405 argc--; 2406 } 2407 if (spa) 2408 spa_close(spa, (void *)zdb_read_block); 2409 return (0); 2410 } 2411 2412 if (dump_opt['C']) 2413 dump_config(argv[0]); 2414 2415 error = 0; 2416 target = argv[0]; 2417 2418 if (dump_opt['e']) { 2419 nvlist_t *cfg = NULL; 2420 char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 2421 2422 error = ENOENT; 2423 if (name) { 2424 if ((error = spa_import(name, cfg, NULL)) != 0) 2425 error = spa_import_verbatim(name, cfg, NULL); 2426 } 2427 } 2428 2429 if (error == 0) { 2430 if (strpbrk(target, "/@") != NULL) { 2431 error = dmu_objset_own(target, DMU_OST_ANY, 2432 B_TRUE, FTAG, &os); 2433 } else { 2434 error = spa_open(target, &spa, FTAG); 2435 if (error) { 2436 /* 2437 * If we're missing the log device then 2438 * try opening the pool after clearing the 2439 * log state. 2440 */ 2441 mutex_enter(&spa_namespace_lock); 2442 if ((spa = spa_lookup(target)) != NULL && 2443 spa->spa_log_state == SPA_LOG_MISSING) { 2444 spa->spa_log_state = SPA_LOG_CLEAR; 2445 error = 0; 2446 } 2447 mutex_exit(&spa_namespace_lock); 2448 2449 if (!error) 2450 error = spa_open(target, &spa, FTAG); 2451 } 2452 } 2453 } 2454 2455 if (error) 2456 fatal("can't open '%s': %s", target, strerror(error)); 2457 2458 argv++; 2459 if (--argc > 0) { 2460 zopt_objects = argc; 2461 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 2462 for (i = 0; i < zopt_objects; i++) { 2463 errno = 0; 2464 zopt_object[i] = strtoull(argv[i], NULL, 0); 2465 if (zopt_object[i] == 0 && errno != 0) 2466 fatal("bad object number %s: %s", 2467 argv[i], strerror(errno)); 2468 } 2469 } 2470 2471 if (os != NULL) { 2472 dump_dir(os); 2473 dmu_objset_disown(os, FTAG); 2474 } else { 2475 dump_zpool(spa); 2476 spa_close(spa, FTAG); 2477 } 2478 2479 fuid_table_destroy(); 2480 2481 libzfs_fini(g_zfs); 2482 kernel_fini(); 2483 2484 return (0); 2485 } 2486