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 [-udibcsvL] [-U cachefile_path] [-t txg]\n" 91 "\t [-S user:cksumalg] " 92 "dataset [object...]\n" 93 " %s -C [pool]\n" 94 " %s -l dev\n" 95 " %s -R pool:vdev:offset:size:flags\n" 96 " %s [-p path_to_vdev_dir]\n" 97 " %s -e pool | GUID | devid ...\n", 98 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 99 100 (void) fprintf(stderr, " -u uberblock\n"); 101 (void) fprintf(stderr, " -d datasets\n"); 102 (void) fprintf(stderr, " -C cached pool configuration\n"); 103 (void) fprintf(stderr, " -i intent logs\n"); 104 (void) fprintf(stderr, " -b block statistics\n"); 105 (void) fprintf(stderr, " -m metaslabs\n"); 106 (void) fprintf(stderr, " -c checksum all metadata (twice for " 107 "all data) blocks\n"); 108 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 109 (void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- " 110 "dump blkptr signatures\n"); 111 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 112 (void) fprintf(stderr, " -l dump label contents\n"); 113 (void) fprintf(stderr, " -L disable leak tracking (do not " 114 "load spacemaps)\n"); 115 (void) fprintf(stderr, " -U cachefile_path -- use alternate " 116 "cachefile\n"); 117 (void) fprintf(stderr, " -R read and display block from a " 118 "device\n"); 119 (void) fprintf(stderr, " -e Pool is exported/destroyed/" 120 "has altroot\n"); 121 (void) fprintf(stderr, " -p <Path to vdev dir> (use with -e)\n"); 122 (void) fprintf(stderr, " -t <txg> highest txg to use when " 123 "searching for uberblocks\n"); 124 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 125 "to make only that option verbose\n"); 126 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 127 exit(1); 128 } 129 130 /* 131 * Called for usage errors that are discovered after a call to spa_open(), 132 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 133 */ 134 135 static void 136 fatal(const char *fmt, ...) 137 { 138 va_list ap; 139 140 va_start(ap, fmt); 141 (void) fprintf(stderr, "%s: ", cmdname); 142 (void) vfprintf(stderr, fmt, ap); 143 va_end(ap); 144 (void) fprintf(stderr, "\n"); 145 146 exit(1); 147 } 148 149 static void 150 dump_nvlist(nvlist_t *list, int indent) 151 { 152 nvpair_t *elem = NULL; 153 154 while ((elem = nvlist_next_nvpair(list, elem)) != NULL) { 155 switch (nvpair_type(elem)) { 156 case DATA_TYPE_STRING: 157 { 158 char *value; 159 160 VERIFY(nvpair_value_string(elem, &value) == 0); 161 (void) printf("%*s%s='%s'\n", indent, "", 162 nvpair_name(elem), value); 163 } 164 break; 165 166 case DATA_TYPE_UINT64: 167 { 168 uint64_t value; 169 170 VERIFY(nvpair_value_uint64(elem, &value) == 0); 171 (void) printf("%*s%s=%llu\n", indent, "", 172 nvpair_name(elem), (u_longlong_t)value); 173 } 174 break; 175 176 case DATA_TYPE_NVLIST: 177 { 178 nvlist_t *value; 179 180 VERIFY(nvpair_value_nvlist(elem, &value) == 0); 181 (void) printf("%*s%s\n", indent, "", 182 nvpair_name(elem)); 183 dump_nvlist(value, indent + 4); 184 } 185 break; 186 187 case DATA_TYPE_NVLIST_ARRAY: 188 { 189 nvlist_t **value; 190 uint_t c, count; 191 192 VERIFY(nvpair_value_nvlist_array(elem, &value, 193 &count) == 0); 194 195 for (c = 0; c < count; c++) { 196 (void) printf("%*s%s[%u]\n", indent, "", 197 nvpair_name(elem), c); 198 dump_nvlist(value[c], indent + 8); 199 } 200 } 201 break; 202 203 default: 204 205 (void) printf("bad config type %d for %s\n", 206 nvpair_type(elem), nvpair_name(elem)); 207 } 208 } 209 } 210 211 /* ARGSUSED */ 212 static void 213 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 214 { 215 nvlist_t *nv; 216 size_t nvsize = *(uint64_t *)data; 217 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 218 219 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 220 221 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 222 223 umem_free(packed, nvsize); 224 225 dump_nvlist(nv, 8); 226 227 nvlist_free(nv); 228 } 229 230 const char dump_zap_stars[] = "****************************************"; 231 const int dump_zap_width = sizeof (dump_zap_stars) - 1; 232 233 static void 234 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) 235 { 236 int i; 237 int minidx = ZAP_HISTOGRAM_SIZE - 1; 238 int maxidx = 0; 239 uint64_t max = 0; 240 241 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { 242 if (histo[i] > max) 243 max = histo[i]; 244 if (histo[i] > 0 && i > maxidx) 245 maxidx = i; 246 if (histo[i] > 0 && i < minidx) 247 minidx = i; 248 } 249 250 if (max < dump_zap_width) 251 max = dump_zap_width; 252 253 for (i = minidx; i <= maxidx; i++) 254 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], 255 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); 256 } 257 258 static void 259 dump_zap_stats(objset_t *os, uint64_t object) 260 { 261 int error; 262 zap_stats_t zs; 263 264 error = zap_get_stats(os, object, &zs); 265 if (error) 266 return; 267 268 if (zs.zs_ptrtbl_len == 0) { 269 ASSERT(zs.zs_num_blocks == 1); 270 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 271 (u_longlong_t)zs.zs_blocksize, 272 (u_longlong_t)zs.zs_num_entries); 273 return; 274 } 275 276 (void) printf("\tFat ZAP stats:\n"); 277 278 (void) printf("\t\tPointer table:\n"); 279 (void) printf("\t\t\t%llu elements\n", 280 (u_longlong_t)zs.zs_ptrtbl_len); 281 (void) printf("\t\t\tzt_blk: %llu\n", 282 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 283 (void) printf("\t\t\tzt_numblks: %llu\n", 284 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 285 (void) printf("\t\t\tzt_shift: %llu\n", 286 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 287 (void) printf("\t\t\tzt_blks_copied: %llu\n", 288 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 289 (void) printf("\t\t\tzt_nextblk: %llu\n", 290 (u_longlong_t)zs.zs_ptrtbl_nextblk); 291 292 (void) printf("\t\tZAP entries: %llu\n", 293 (u_longlong_t)zs.zs_num_entries); 294 (void) printf("\t\tLeaf blocks: %llu\n", 295 (u_longlong_t)zs.zs_num_leafs); 296 (void) printf("\t\tTotal blocks: %llu\n", 297 (u_longlong_t)zs.zs_num_blocks); 298 (void) printf("\t\tzap_block_type: 0x%llx\n", 299 (u_longlong_t)zs.zs_block_type); 300 (void) printf("\t\tzap_magic: 0x%llx\n", 301 (u_longlong_t)zs.zs_magic); 302 (void) printf("\t\tzap_salt: 0x%llx\n", 303 (u_longlong_t)zs.zs_salt); 304 305 (void) printf("\t\tLeafs with 2^n pointers:\n"); 306 dump_zap_histogram(zs.zs_leafs_with_2n_pointers); 307 308 (void) printf("\t\tBlocks with n*5 entries:\n"); 309 dump_zap_histogram(zs.zs_blocks_with_n5_entries); 310 311 (void) printf("\t\tBlocks n/10 full:\n"); 312 dump_zap_histogram(zs.zs_blocks_n_tenths_full); 313 314 (void) printf("\t\tEntries with n chunks:\n"); 315 dump_zap_histogram(zs.zs_entries_using_n_chunks); 316 317 (void) printf("\t\tBuckets with n entries:\n"); 318 dump_zap_histogram(zs.zs_buckets_with_n_entries); 319 } 320 321 /*ARGSUSED*/ 322 static void 323 dump_none(objset_t *os, uint64_t object, void *data, size_t size) 324 { 325 } 326 327 /*ARGSUSED*/ 328 void 329 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 330 { 331 } 332 333 /*ARGSUSED*/ 334 static void 335 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 336 { 337 } 338 339 /*ARGSUSED*/ 340 static void 341 dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 342 { 343 zap_cursor_t zc; 344 zap_attribute_t attr; 345 void *prop; 346 int i; 347 348 dump_zap_stats(os, object); 349 (void) printf("\n"); 350 351 for (zap_cursor_init(&zc, os, object); 352 zap_cursor_retrieve(&zc, &attr) == 0; 353 zap_cursor_advance(&zc)) { 354 (void) printf("\t\t%s = ", attr.za_name); 355 if (attr.za_num_integers == 0) { 356 (void) printf("\n"); 357 continue; 358 } 359 prop = umem_zalloc(attr.za_num_integers * 360 attr.za_integer_length, UMEM_NOFAIL); 361 (void) zap_lookup(os, object, attr.za_name, 362 attr.za_integer_length, attr.za_num_integers, prop); 363 if (attr.za_integer_length == 1) { 364 (void) printf("%s", (char *)prop); 365 } else { 366 for (i = 0; i < attr.za_num_integers; i++) { 367 switch (attr.za_integer_length) { 368 case 2: 369 (void) printf("%u ", 370 ((uint16_t *)prop)[i]); 371 break; 372 case 4: 373 (void) printf("%u ", 374 ((uint32_t *)prop)[i]); 375 break; 376 case 8: 377 (void) printf("%lld ", 378 (u_longlong_t)((int64_t *)prop)[i]); 379 break; 380 } 381 } 382 } 383 (void) printf("\n"); 384 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 385 } 386 zap_cursor_fini(&zc); 387 } 388 389 /*ARGSUSED*/ 390 static void 391 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 392 { 393 zap_cursor_t zc; 394 zap_attribute_t attr; 395 const char *typenames[] = { 396 /* 0 */ "not specified", 397 /* 1 */ "FIFO", 398 /* 2 */ "Character Device", 399 /* 3 */ "3 (invalid)", 400 /* 4 */ "Directory", 401 /* 5 */ "5 (invalid)", 402 /* 6 */ "Block Device", 403 /* 7 */ "7 (invalid)", 404 /* 8 */ "Regular File", 405 /* 9 */ "9 (invalid)", 406 /* 10 */ "Symbolic Link", 407 /* 11 */ "11 (invalid)", 408 /* 12 */ "Socket", 409 /* 13 */ "Door", 410 /* 14 */ "Event Port", 411 /* 15 */ "15 (invalid)", 412 }; 413 414 dump_zap_stats(os, object); 415 (void) printf("\n"); 416 417 for (zap_cursor_init(&zc, os, object); 418 zap_cursor_retrieve(&zc, &attr) == 0; 419 zap_cursor_advance(&zc)) { 420 (void) printf("\t\t%s = %lld (type: %s)\n", 421 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 422 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 423 } 424 zap_cursor_fini(&zc); 425 } 426 427 static void 428 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 429 { 430 uint64_t alloc, offset, entry; 431 uint8_t mapshift = sm->sm_shift; 432 uint64_t mapstart = sm->sm_start; 433 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 434 "INVALID", "INVALID", "INVALID", "INVALID" }; 435 436 if (smo->smo_object == 0) 437 return; 438 439 /* 440 * Print out the freelist entries in both encoded and decoded form. 441 */ 442 alloc = 0; 443 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 444 VERIFY(0 == dmu_read(os, smo->smo_object, offset, 445 sizeof (entry), &entry, DMU_READ_PREFETCH)); 446 if (SM_DEBUG_DECODE(entry)) { 447 (void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n", 448 (u_longlong_t)(offset / sizeof (entry)), 449 ddata[SM_DEBUG_ACTION_DECODE(entry)], 450 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 451 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 452 } else { 453 (void) printf("\t\t[%4llu] %c range:" 454 " %08llx-%08llx size: %06llx\n", 455 (u_longlong_t)(offset / sizeof (entry)), 456 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 457 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 458 mapshift) + mapstart), 459 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 460 mapshift) + mapstart + (SM_RUN_DECODE(entry) << 461 mapshift)), 462 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 463 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 464 alloc += SM_RUN_DECODE(entry) << mapshift; 465 else 466 alloc -= SM_RUN_DECODE(entry) << mapshift; 467 } 468 } 469 if (alloc != smo->smo_alloc) { 470 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 471 "with space map summary (%llu)\n", 472 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 473 } 474 } 475 476 static void 477 dump_metaslab_stats(metaslab_t *msp) 478 { 479 char maxbuf[5]; 480 space_map_t *sm = &msp->ms_map; 481 avl_tree_t *t = sm->sm_pp_root; 482 int free_pct = sm->sm_space * 100 / sm->sm_size; 483 484 nicenum(space_map_maxsize(sm), maxbuf); 485 486 (void) printf("\t %20s %10lu %7s %6s %4s %4d%%\n", 487 "segments", avl_numnodes(t), "maxsize", maxbuf, 488 "freepct", free_pct); 489 } 490 491 static void 492 dump_metaslab(metaslab_t *msp) 493 { 494 char freebuf[5]; 495 space_map_obj_t *smo = &msp->ms_smo; 496 vdev_t *vd = msp->ms_group->mg_vd; 497 spa_t *spa = vd->vdev_spa; 498 499 nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf); 500 501 (void) printf( 502 "\tvdev %5llu offset %12llx spacemap %6llu free %5s\n", 503 (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start, 504 (u_longlong_t)smo->smo_object, freebuf); 505 506 if (dump_opt['m'] > 1) { 507 mutex_enter(&msp->ms_lock); 508 VERIFY(space_map_load(&msp->ms_map, zfs_metaslab_ops, 509 SM_FREE, &msp->ms_smo, spa->spa_meta_objset) == 0); 510 dump_metaslab_stats(msp); 511 space_map_unload(&msp->ms_map); 512 mutex_exit(&msp->ms_lock); 513 } 514 515 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { 516 ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift)); 517 518 mutex_enter(&msp->ms_lock); 519 dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map); 520 mutex_exit(&msp->ms_lock); 521 } 522 523 } 524 525 static void 526 dump_metaslabs(spa_t *spa) 527 { 528 vdev_t *rvd = spa->spa_root_vdev; 529 vdev_t *vd; 530 int c, m; 531 532 (void) printf("\nMetaslabs:\n"); 533 534 for (c = 0; c < rvd->vdev_children; c++) { 535 vd = rvd->vdev_child[c]; 536 537 (void) printf("\t%-10s %-19s %-15s %-10s\n", 538 "vdev", "offset", "spacemap", "free"); 539 (void) printf("\t%10s %19s %15s %10s\n", 540 "----------", "-------------------", 541 "---------------", "-------------"); 542 543 for (m = 0; m < vd->vdev_ms_count; m++) 544 dump_metaslab(vd->vdev_ms[m]); 545 (void) printf("\n"); 546 } 547 } 548 549 static void 550 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) 551 { 552 char *prefix = (void *)sm; 553 554 (void) printf("%s [%llu,%llu) length %llu\n", 555 prefix, 556 (u_longlong_t)start, 557 (u_longlong_t)(start + size), 558 (u_longlong_t)(size)); 559 } 560 561 static void 562 dump_dtl(vdev_t *vd, int indent) 563 { 564 spa_t *spa = vd->vdev_spa; 565 boolean_t required; 566 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 567 char prefix[256]; 568 569 spa_vdev_state_enter(spa); 570 required = vdev_dtl_required(vd); 571 (void) spa_vdev_state_exit(spa, NULL, 0); 572 573 if (indent == 0) 574 (void) printf("\nDirty time logs:\n\n"); 575 576 (void) printf("\t%*s%s [%s]\n", indent, "", 577 vd->vdev_path ? vd->vdev_path : 578 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 579 required ? "DTL-required" : "DTL-expendable"); 580 581 for (int t = 0; t < DTL_TYPES; t++) { 582 space_map_t *sm = &vd->vdev_dtl[t]; 583 if (sm->sm_space == 0) 584 continue; 585 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 586 indent + 2, "", name[t]); 587 mutex_enter(sm->sm_lock); 588 space_map_walk(sm, dump_dtl_seg, (void *)prefix); 589 mutex_exit(sm->sm_lock); 590 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 591 dump_spacemap(spa->spa_meta_objset, 592 &vd->vdev_dtl_smo, sm); 593 } 594 595 for (int c = 0; c < vd->vdev_children; c++) 596 dump_dtl(vd->vdev_child[c], indent + 4); 597 } 598 599 /*ARGSUSED*/ 600 static void 601 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 602 { 603 } 604 605 static uint64_t 606 blkid2offset(const dnode_phys_t *dnp, int level, uint64_t blkid) 607 { 608 if (level < 0) 609 return (blkid); 610 611 return ((blkid << (level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 612 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 613 } 614 615 static void 616 sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp, int alldvas) 617 { 618 dva_t *dva = bp->blk_dva; 619 int ndvas = alldvas ? BP_GET_NDVAS(bp) : 1; 620 int i; 621 622 blkbuf[0] = '\0'; 623 624 for (i = 0; i < ndvas; i++) 625 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", 626 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 627 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 628 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 629 630 (void) sprintf(blkbuf + strlen(blkbuf), "%llxL/%llxP F=%llu B=%llu", 631 (u_longlong_t)BP_GET_LSIZE(bp), 632 (u_longlong_t)BP_GET_PSIZE(bp), 633 (u_longlong_t)bp->blk_fill, 634 (u_longlong_t)bp->blk_birth); 635 } 636 637 static void 638 print_indirect(blkptr_t *bp, const zbookmark_t *zb, 639 const dnode_phys_t *dnp) 640 { 641 char blkbuf[BP_SPRINTF_LEN]; 642 int l; 643 644 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 645 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 646 647 (void) printf("%16llx ", 648 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid)); 649 650 ASSERT(zb->zb_level >= 0); 651 652 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 653 if (l == zb->zb_level) { 654 (void) printf("L%llx", (u_longlong_t)zb->zb_level); 655 } else { 656 (void) printf(" "); 657 } 658 } 659 660 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0); 661 (void) printf("%s\n", blkbuf); 662 } 663 664 #define SET_BOOKMARK(zb, objset, object, level, blkid) \ 665 { \ 666 (zb)->zb_objset = objset; \ 667 (zb)->zb_object = object; \ 668 (zb)->zb_level = level; \ 669 (zb)->zb_blkid = blkid; \ 670 } 671 672 static int 673 visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 674 blkptr_t *bp, const zbookmark_t *zb) 675 { 676 int err; 677 678 if (bp->blk_birth == 0) 679 return (0); 680 681 print_indirect(bp, zb, dnp); 682 683 if (BP_GET_LEVEL(bp) > 0) { 684 uint32_t flags = ARC_WAIT; 685 int i; 686 blkptr_t *cbp; 687 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 688 arc_buf_t *buf; 689 uint64_t fill = 0; 690 691 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf, 692 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 693 if (err) 694 return (err); 695 696 /* recursively visit blocks below this */ 697 cbp = buf->b_data; 698 for (i = 0; i < epb; i++, cbp++) { 699 zbookmark_t czb; 700 701 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 702 zb->zb_level - 1, 703 zb->zb_blkid * epb + i); 704 err = visit_indirect(spa, dnp, cbp, &czb); 705 if (err) 706 break; 707 fill += cbp->blk_fill; 708 } 709 if (!err) 710 ASSERT3U(fill, ==, bp->blk_fill); 711 (void) arc_buf_remove_ref(buf, &buf); 712 } 713 714 return (err); 715 } 716 717 /*ARGSUSED*/ 718 static void 719 dump_indirect(dnode_t *dn) 720 { 721 dnode_phys_t *dnp = dn->dn_phys; 722 int j; 723 zbookmark_t czb; 724 725 (void) printf("Indirect blocks:\n"); 726 727 SET_BOOKMARK(&czb, dmu_objset_id(&dn->dn_objset->os), 728 dn->dn_object, dnp->dn_nlevels - 1, 0); 729 for (j = 0; j < dnp->dn_nblkptr; j++) { 730 czb.zb_blkid = j; 731 (void) visit_indirect(dmu_objset_spa(&dn->dn_objset->os), dnp, 732 &dnp->dn_blkptr[j], &czb); 733 } 734 735 (void) printf("\n"); 736 } 737 738 /*ARGSUSED*/ 739 static void 740 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 741 { 742 dsl_dir_phys_t *dd = data; 743 time_t crtime; 744 char nice[6]; 745 746 if (dd == NULL) 747 return; 748 749 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 750 751 crtime = dd->dd_creation_time; 752 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 753 (void) printf("\t\thead_dataset_obj = %llu\n", 754 (u_longlong_t)dd->dd_head_dataset_obj); 755 (void) printf("\t\tparent_dir_obj = %llu\n", 756 (u_longlong_t)dd->dd_parent_obj); 757 (void) printf("\t\torigin_obj = %llu\n", 758 (u_longlong_t)dd->dd_origin_obj); 759 (void) printf("\t\tchild_dir_zapobj = %llu\n", 760 (u_longlong_t)dd->dd_child_dir_zapobj); 761 nicenum(dd->dd_used_bytes, nice); 762 (void) printf("\t\tused_bytes = %s\n", nice); 763 nicenum(dd->dd_compressed_bytes, nice); 764 (void) printf("\t\tcompressed_bytes = %s\n", nice); 765 nicenum(dd->dd_uncompressed_bytes, nice); 766 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 767 nicenum(dd->dd_quota, nice); 768 (void) printf("\t\tquota = %s\n", nice); 769 nicenum(dd->dd_reserved, nice); 770 (void) printf("\t\treserved = %s\n", nice); 771 (void) printf("\t\tprops_zapobj = %llu\n", 772 (u_longlong_t)dd->dd_props_zapobj); 773 (void) printf("\t\tdeleg_zapobj = %llu\n", 774 (u_longlong_t)dd->dd_deleg_zapobj); 775 (void) printf("\t\tflags = %llx\n", 776 (u_longlong_t)dd->dd_flags); 777 778 #define DO(which) \ 779 nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 780 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 781 DO(HEAD); 782 DO(SNAP); 783 DO(CHILD); 784 DO(CHILD_RSRV); 785 DO(REFRSRV); 786 #undef DO 787 } 788 789 /*ARGSUSED*/ 790 static void 791 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 792 { 793 dsl_dataset_phys_t *ds = data; 794 time_t crtime; 795 char used[6], compressed[6], uncompressed[6], unique[6]; 796 char blkbuf[BP_SPRINTF_LEN]; 797 798 if (ds == NULL) 799 return; 800 801 ASSERT(size == sizeof (*ds)); 802 crtime = ds->ds_creation_time; 803 nicenum(ds->ds_used_bytes, used); 804 nicenum(ds->ds_compressed_bytes, compressed); 805 nicenum(ds->ds_uncompressed_bytes, uncompressed); 806 nicenum(ds->ds_unique_bytes, unique); 807 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ds->ds_bp); 808 809 (void) printf("\t\tdir_obj = %llu\n", 810 (u_longlong_t)ds->ds_dir_obj); 811 (void) printf("\t\tprev_snap_obj = %llu\n", 812 (u_longlong_t)ds->ds_prev_snap_obj); 813 (void) printf("\t\tprev_snap_txg = %llu\n", 814 (u_longlong_t)ds->ds_prev_snap_txg); 815 (void) printf("\t\tnext_snap_obj = %llu\n", 816 (u_longlong_t)ds->ds_next_snap_obj); 817 (void) printf("\t\tsnapnames_zapobj = %llu\n", 818 (u_longlong_t)ds->ds_snapnames_zapobj); 819 (void) printf("\t\tnum_children = %llu\n", 820 (u_longlong_t)ds->ds_num_children); 821 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 822 (void) printf("\t\tcreation_txg = %llu\n", 823 (u_longlong_t)ds->ds_creation_txg); 824 (void) printf("\t\tdeadlist_obj = %llu\n", 825 (u_longlong_t)ds->ds_deadlist_obj); 826 (void) printf("\t\tused_bytes = %s\n", used); 827 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 828 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 829 (void) printf("\t\tunique = %s\n", unique); 830 (void) printf("\t\tfsid_guid = %llu\n", 831 (u_longlong_t)ds->ds_fsid_guid); 832 (void) printf("\t\tguid = %llu\n", 833 (u_longlong_t)ds->ds_guid); 834 (void) printf("\t\tflags = %llx\n", 835 (u_longlong_t)ds->ds_flags); 836 (void) printf("\t\tnext_clones_obj = %llu\n", 837 (u_longlong_t)ds->ds_next_clones_obj); 838 (void) printf("\t\tprops_obj = %llu\n", 839 (u_longlong_t)ds->ds_props_obj); 840 (void) printf("\t\tbp = %s\n", blkbuf); 841 } 842 843 static void 844 dump_bplist(objset_t *mos, uint64_t object, char *name) 845 { 846 bplist_t bpl = { 0 }; 847 blkptr_t blk, *bp = &blk; 848 uint64_t itor = 0; 849 char bytes[6]; 850 char comp[6]; 851 char uncomp[6]; 852 853 if (dump_opt['d'] < 3) 854 return; 855 856 mutex_init(&bpl.bpl_lock, NULL, MUTEX_DEFAULT, NULL); 857 VERIFY(0 == bplist_open(&bpl, mos, object)); 858 if (bplist_empty(&bpl)) { 859 bplist_close(&bpl); 860 mutex_destroy(&bpl.bpl_lock); 861 return; 862 } 863 864 nicenum(bpl.bpl_phys->bpl_bytes, bytes); 865 if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) { 866 nicenum(bpl.bpl_phys->bpl_comp, comp); 867 nicenum(bpl.bpl_phys->bpl_uncomp, uncomp); 868 (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n", 869 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, 870 bytes, comp, uncomp); 871 } else { 872 (void) printf("\n %s: %llu entries, %s\n", 873 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes); 874 } 875 876 if (dump_opt['d'] < 5) { 877 bplist_close(&bpl); 878 mutex_destroy(&bpl.bpl_lock); 879 return; 880 } 881 882 (void) printf("\n"); 883 884 while (bplist_iterate(&bpl, &itor, bp) == 0) { 885 char blkbuf[BP_SPRINTF_LEN]; 886 887 ASSERT(bp->blk_birth != 0); 888 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0); 889 (void) printf("\tItem %3llu: %s\n", 890 (u_longlong_t)itor - 1, blkbuf); 891 } 892 893 bplist_close(&bpl); 894 mutex_destroy(&bpl.bpl_lock); 895 } 896 897 static avl_tree_t idx_tree; 898 static avl_tree_t domain_tree; 899 static boolean_t fuid_table_loaded; 900 901 static void 902 fuid_table_destroy() 903 { 904 if (fuid_table_loaded) { 905 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 906 fuid_table_loaded = B_FALSE; 907 } 908 } 909 910 /* 911 * print uid or gid information. 912 * For normal POSIX id just the id is printed in decimal format. 913 * For CIFS files with FUID the fuid is printed in hex followed by 914 * the doman-rid string. 915 */ 916 static void 917 print_idstr(uint64_t id, const char *id_type) 918 { 919 if (FUID_INDEX(id)) { 920 char *domain; 921 922 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 923 (void) printf("\t%s %llx [%s-%d]\n", id_type, 924 (u_longlong_t)id, domain, (int)FUID_RID(id)); 925 } else { 926 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 927 } 928 929 } 930 931 static void 932 dump_uidgid(objset_t *os, znode_phys_t *zp) 933 { 934 uint32_t uid_idx, gid_idx; 935 936 uid_idx = FUID_INDEX(zp->zp_uid); 937 gid_idx = FUID_INDEX(zp->zp_gid); 938 939 /* Load domain table, if not already loaded */ 940 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 941 uint64_t fuid_obj; 942 943 /* first find the fuid object. It lives in the master node */ 944 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 945 8, 1, &fuid_obj) == 0); 946 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 947 (void) zfs_fuid_table_load(os, fuid_obj, 948 &idx_tree, &domain_tree); 949 fuid_table_loaded = B_TRUE; 950 } 951 952 print_idstr(zp->zp_uid, "uid"); 953 print_idstr(zp->zp_gid, "gid"); 954 } 955 956 /*ARGSUSED*/ 957 static void 958 dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 959 { 960 znode_phys_t *zp = data; 961 time_t z_crtime, z_atime, z_mtime, z_ctime; 962 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 963 int error; 964 965 ASSERT(size >= sizeof (znode_phys_t)); 966 967 error = zfs_obj_to_path(os, object, path, sizeof (path)); 968 if (error != 0) { 969 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 970 (u_longlong_t)object); 971 } 972 973 if (dump_opt['d'] < 3) { 974 (void) printf("\t%s\n", path); 975 return; 976 } 977 978 z_crtime = (time_t)zp->zp_crtime[0]; 979 z_atime = (time_t)zp->zp_atime[0]; 980 z_mtime = (time_t)zp->zp_mtime[0]; 981 z_ctime = (time_t)zp->zp_ctime[0]; 982 983 (void) printf("\tpath %s\n", path); 984 dump_uidgid(os, zp); 985 (void) printf("\tatime %s", ctime(&z_atime)); 986 (void) printf("\tmtime %s", ctime(&z_mtime)); 987 (void) printf("\tctime %s", ctime(&z_ctime)); 988 (void) printf("\tcrtime %s", ctime(&z_crtime)); 989 (void) printf("\tgen %llu\n", (u_longlong_t)zp->zp_gen); 990 (void) printf("\tmode %llo\n", (u_longlong_t)zp->zp_mode); 991 (void) printf("\tsize %llu\n", (u_longlong_t)zp->zp_size); 992 (void) printf("\tparent %llu\n", (u_longlong_t)zp->zp_parent); 993 (void) printf("\tlinks %llu\n", (u_longlong_t)zp->zp_links); 994 (void) printf("\txattr %llu\n", (u_longlong_t)zp->zp_xattr); 995 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)zp->zp_rdev); 996 } 997 998 /*ARGSUSED*/ 999 static void 1000 dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1001 { 1002 } 1003 1004 /*ARGSUSED*/ 1005 static void 1006 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1007 { 1008 } 1009 1010 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = { 1011 dump_none, /* unallocated */ 1012 dump_zap, /* object directory */ 1013 dump_uint64, /* object array */ 1014 dump_none, /* packed nvlist */ 1015 dump_packed_nvlist, /* packed nvlist size */ 1016 dump_none, /* bplist */ 1017 dump_none, /* bplist header */ 1018 dump_none, /* SPA space map header */ 1019 dump_none, /* SPA space map */ 1020 dump_none, /* ZIL intent log */ 1021 dump_dnode, /* DMU dnode */ 1022 dump_dmu_objset, /* DMU objset */ 1023 dump_dsl_dir, /* DSL directory */ 1024 dump_zap, /* DSL directory child map */ 1025 dump_zap, /* DSL dataset snap map */ 1026 dump_zap, /* DSL props */ 1027 dump_dsl_dataset, /* DSL dataset */ 1028 dump_znode, /* ZFS znode */ 1029 dump_acl, /* ZFS V0 ACL */ 1030 dump_uint8, /* ZFS plain file */ 1031 dump_zpldir, /* ZFS directory */ 1032 dump_zap, /* ZFS master node */ 1033 dump_zap, /* ZFS delete queue */ 1034 dump_uint8, /* zvol object */ 1035 dump_zap, /* zvol prop */ 1036 dump_uint8, /* other uint8[] */ 1037 dump_uint64, /* other uint64[] */ 1038 dump_zap, /* other ZAP */ 1039 dump_zap, /* persistent error log */ 1040 dump_uint8, /* SPA history */ 1041 dump_uint64, /* SPA history offsets */ 1042 dump_zap, /* Pool properties */ 1043 dump_zap, /* DSL permissions */ 1044 dump_acl, /* ZFS ACL */ 1045 dump_uint8, /* ZFS SYSACL */ 1046 dump_none, /* FUID nvlist */ 1047 dump_packed_nvlist, /* FUID nvlist size */ 1048 dump_zap, /* DSL dataset next clones */ 1049 dump_zap, /* DSL scrub queue */ 1050 dump_zap, /* ZFS user/group used */ 1051 dump_zap, /* ZFS user/group quota */ 1052 }; 1053 1054 static void 1055 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1056 { 1057 dmu_buf_t *db = NULL; 1058 dmu_object_info_t doi; 1059 dnode_t *dn; 1060 void *bonus = NULL; 1061 size_t bsize = 0; 1062 char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], segsize[6]; 1063 char aux[50]; 1064 int error; 1065 1066 if (*print_header) { 1067 (void) printf("\n Object lvl iblk dblk lsize" 1068 " asize type\n"); 1069 *print_header = 0; 1070 } 1071 1072 if (object == 0) { 1073 dn = os->os->os_meta_dnode; 1074 } else { 1075 error = dmu_bonus_hold(os, object, FTAG, &db); 1076 if (error) 1077 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1078 object, error); 1079 bonus = db->db_data; 1080 bsize = db->db_size; 1081 dn = ((dmu_buf_impl_t *)db)->db_dnode; 1082 } 1083 dmu_object_info_from_dnode(dn, &doi); 1084 1085 nicenum(doi.doi_metadata_block_size, iblk); 1086 nicenum(doi.doi_data_block_size, dblk); 1087 nicenum(doi.doi_data_block_size * (doi.doi_max_block_offset + 1), 1088 lsize); 1089 nicenum(doi.doi_physical_blks << 9, asize); 1090 nicenum(doi.doi_bonus_size, bonus_size); 1091 1092 aux[0] = '\0'; 1093 1094 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1095 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1096 zio_checksum_table[doi.doi_checksum].ci_name); 1097 } 1098 1099 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1100 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1101 zio_compress_table[doi.doi_compress].ci_name); 1102 } 1103 1104 (void) printf("%10lld %3u %5s %5s %5s %5s %s%s\n", 1105 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, lsize, 1106 asize, dmu_ot[doi.doi_type].ot_name, aux); 1107 1108 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1109 (void) printf("%10s %3s %5s %5s %5s %5s %s\n", 1110 "", "", "", "", bonus_size, "bonus", 1111 dmu_ot[doi.doi_bonus_type].ot_name); 1112 } 1113 1114 if (verbosity >= 4) { 1115 (void) printf("\tdnode flags: %s%s\n", 1116 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1117 "USED_BYTES " : "", 1118 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1119 "USERUSED_ACCOUNTED " : ""); 1120 (void) printf("\tdnode maxblkid: %llu\n", 1121 (longlong_t)dn->dn_phys->dn_maxblkid); 1122 1123 object_viewer[doi.doi_bonus_type](os, object, bonus, bsize); 1124 object_viewer[doi.doi_type](os, object, NULL, 0); 1125 *print_header = 1; 1126 } 1127 1128 if (verbosity >= 5) 1129 dump_indirect(dn); 1130 1131 if (verbosity >= 5) { 1132 /* 1133 * Report the list of segments that comprise the object. 1134 */ 1135 uint64_t start = 0; 1136 uint64_t end; 1137 uint64_t blkfill = 1; 1138 int minlvl = 1; 1139 1140 if (dn->dn_type == DMU_OT_DNODE) { 1141 minlvl = 0; 1142 blkfill = DNODES_PER_BLOCK; 1143 } 1144 1145 for (;;) { 1146 error = dnode_next_offset(dn, 1147 0, &start, minlvl, blkfill, 0); 1148 if (error) 1149 break; 1150 end = start; 1151 error = dnode_next_offset(dn, 1152 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1153 nicenum(end - start, segsize); 1154 (void) printf("\t\tsegment [%016llx, %016llx)" 1155 " size %5s\n", (u_longlong_t)start, 1156 (u_longlong_t)end, segsize); 1157 if (error) 1158 break; 1159 start = end; 1160 } 1161 } 1162 1163 if (db != NULL) 1164 dmu_buf_rele(db, FTAG); 1165 } 1166 1167 static char *objset_types[DMU_OST_NUMTYPES] = { 1168 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1169 1170 static void 1171 dump_dir(objset_t *os) 1172 { 1173 dmu_objset_stats_t dds; 1174 uint64_t object, object_count; 1175 uint64_t refdbytes, usedobjs, scratch; 1176 char numbuf[8]; 1177 char blkbuf[BP_SPRINTF_LEN + 20]; 1178 char osname[MAXNAMELEN]; 1179 char *type = "UNKNOWN"; 1180 int verbosity = dump_opt['d']; 1181 int print_header = 1; 1182 int i, error; 1183 1184 dmu_objset_fast_stat(os, &dds); 1185 1186 if (dds.dds_type < DMU_OST_NUMTYPES) 1187 type = objset_types[dds.dds_type]; 1188 1189 if (dds.dds_type == DMU_OST_META) { 1190 dds.dds_creation_txg = TXG_INITIAL; 1191 usedobjs = os->os->os_rootbp->blk_fill; 1192 refdbytes = os->os->os_spa->spa_dsl_pool-> 1193 dp_mos_dir->dd_phys->dd_used_bytes; 1194 } else { 1195 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1196 } 1197 1198 ASSERT3U(usedobjs, ==, os->os->os_rootbp->blk_fill); 1199 1200 nicenum(refdbytes, numbuf); 1201 1202 if (verbosity >= 4) { 1203 (void) sprintf(blkbuf + strlen(blkbuf), ", rootbp "); 1204 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), 1205 BP_SPRINTF_LEN - strlen(blkbuf), os->os->os_rootbp); 1206 } else { 1207 blkbuf[0] = '\0'; 1208 } 1209 1210 dmu_objset_name(os, osname); 1211 1212 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1213 "%s, %llu objects%s\n", 1214 osname, type, (u_longlong_t)dmu_objset_id(os), 1215 (u_longlong_t)dds.dds_creation_txg, 1216 numbuf, (u_longlong_t)usedobjs, blkbuf); 1217 1218 dump_intent_log(dmu_objset_zil(os)); 1219 1220 if (dmu_objset_ds(os) != NULL) 1221 dump_bplist(dmu_objset_pool(os)->dp_meta_objset, 1222 dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist"); 1223 1224 if (verbosity < 2) 1225 return; 1226 1227 if (os->os->os_rootbp->blk_birth == 0) 1228 return; 1229 1230 if (zopt_objects != 0) { 1231 for (i = 0; i < zopt_objects; i++) 1232 dump_object(os, zopt_object[i], verbosity, 1233 &print_header); 1234 (void) printf("\n"); 1235 return; 1236 } 1237 1238 dump_object(os, 0, verbosity, &print_header); 1239 object_count = 0; 1240 if (os->os->os_userused_dnode && 1241 os->os->os_userused_dnode->dn_type != 0) { 1242 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1243 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1244 } 1245 1246 object = 0; 1247 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1248 dump_object(os, object, verbosity, &print_header); 1249 object_count++; 1250 } 1251 1252 ASSERT3U(object_count, ==, usedobjs); 1253 1254 (void) printf("\n"); 1255 1256 if (error != ESRCH) { 1257 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1258 abort(); 1259 } 1260 } 1261 1262 static void 1263 dump_uberblock(uberblock_t *ub) 1264 { 1265 time_t timestamp = ub->ub_timestamp; 1266 1267 (void) printf("Uberblock\n\n"); 1268 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1269 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1270 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1271 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1272 (void) printf("\ttimestamp = %llu UTC = %s", 1273 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1274 if (dump_opt['u'] >= 3) { 1275 char blkbuf[BP_SPRINTF_LEN]; 1276 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ub->ub_rootbp); 1277 (void) printf("\trootbp = %s\n", blkbuf); 1278 } 1279 (void) printf("\n"); 1280 } 1281 1282 static void 1283 dump_config(const char *pool) 1284 { 1285 spa_t *spa = NULL; 1286 1287 mutex_enter(&spa_namespace_lock); 1288 while ((spa = spa_next(spa)) != NULL) { 1289 if (pool == NULL) 1290 (void) printf("%s\n", spa_name(spa)); 1291 if (pool == NULL || strcmp(pool, spa_name(spa)) == 0) 1292 dump_nvlist(spa->spa_config, 4); 1293 } 1294 mutex_exit(&spa_namespace_lock); 1295 } 1296 1297 static void 1298 dump_cachefile(const char *cachefile) 1299 { 1300 int fd; 1301 struct stat64 statbuf; 1302 char *buf; 1303 nvlist_t *config; 1304 1305 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1306 (void) printf("cannot open '%s': %s\n", cachefile, 1307 strerror(errno)); 1308 exit(1); 1309 } 1310 1311 if (fstat64(fd, &statbuf) != 0) { 1312 (void) printf("failed to stat '%s': %s\n", cachefile, 1313 strerror(errno)); 1314 exit(1); 1315 } 1316 1317 if ((buf = malloc(statbuf.st_size)) == NULL) { 1318 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1319 (u_longlong_t)statbuf.st_size); 1320 exit(1); 1321 } 1322 1323 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1324 (void) fprintf(stderr, "failed to read %llu bytes\n", 1325 (u_longlong_t)statbuf.st_size); 1326 exit(1); 1327 } 1328 1329 (void) close(fd); 1330 1331 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1332 (void) fprintf(stderr, "failed to unpack nvlist\n"); 1333 exit(1); 1334 } 1335 1336 free(buf); 1337 1338 dump_nvlist(config, 0); 1339 1340 nvlist_free(config); 1341 } 1342 1343 static void 1344 dump_label(const char *dev) 1345 { 1346 int fd; 1347 vdev_label_t label; 1348 char *buf = label.vl_vdev_phys.vp_nvlist; 1349 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1350 struct stat64 statbuf; 1351 uint64_t psize; 1352 int l; 1353 1354 if ((fd = open64(dev, O_RDONLY)) < 0) { 1355 (void) printf("cannot open '%s': %s\n", dev, strerror(errno)); 1356 exit(1); 1357 } 1358 1359 if (fstat64(fd, &statbuf) != 0) { 1360 (void) printf("failed to stat '%s': %s\n", dev, 1361 strerror(errno)); 1362 exit(1); 1363 } 1364 1365 psize = statbuf.st_size; 1366 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1367 1368 for (l = 0; l < VDEV_LABELS; l++) { 1369 1370 nvlist_t *config = NULL; 1371 1372 (void) printf("--------------------------------------------\n"); 1373 (void) printf("LABEL %d\n", l); 1374 (void) printf("--------------------------------------------\n"); 1375 1376 if (pread64(fd, &label, sizeof (label), 1377 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1378 (void) printf("failed to read label %d\n", l); 1379 continue; 1380 } 1381 1382 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1383 (void) printf("failed to unpack label %d\n", l); 1384 continue; 1385 } 1386 dump_nvlist(config, 4); 1387 nvlist_free(config); 1388 } 1389 } 1390 1391 /*ARGSUSED*/ 1392 static int 1393 dump_one_dir(char *dsname, void *arg) 1394 { 1395 int error; 1396 objset_t *os; 1397 1398 error = dmu_objset_open(dsname, DMU_OST_ANY, 1399 DS_MODE_USER | DS_MODE_READONLY, &os); 1400 if (error) { 1401 (void) printf("Could not open %s\n", dsname); 1402 return (0); 1403 } 1404 dump_dir(os); 1405 dmu_objset_close(os); 1406 fuid_table_destroy(); 1407 return (0); 1408 } 1409 1410 static void 1411 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 1412 { 1413 vdev_t *vd = sm->sm_ppd; 1414 1415 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 1416 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 1417 } 1418 1419 /* ARGSUSED */ 1420 static void 1421 zdb_space_map_load(space_map_t *sm) 1422 { 1423 } 1424 1425 static void 1426 zdb_space_map_unload(space_map_t *sm) 1427 { 1428 space_map_vacate(sm, zdb_leak, sm); 1429 } 1430 1431 /* ARGSUSED */ 1432 static void 1433 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 1434 { 1435 } 1436 1437 static space_map_ops_t zdb_space_map_ops = { 1438 zdb_space_map_load, 1439 zdb_space_map_unload, 1440 NULL, /* alloc */ 1441 zdb_space_map_claim, 1442 NULL, /* free */ 1443 NULL /* maxsize */ 1444 }; 1445 1446 static void 1447 zdb_leak_init(spa_t *spa) 1448 { 1449 vdev_t *rvd = spa->spa_root_vdev; 1450 1451 for (int c = 0; c < rvd->vdev_children; c++) { 1452 vdev_t *vd = rvd->vdev_child[c]; 1453 for (int m = 0; m < vd->vdev_ms_count; m++) { 1454 metaslab_t *msp = vd->vdev_ms[m]; 1455 mutex_enter(&msp->ms_lock); 1456 VERIFY(space_map_load(&msp->ms_map, &zdb_space_map_ops, 1457 SM_ALLOC, &msp->ms_smo, spa->spa_meta_objset) == 0); 1458 msp->ms_map.sm_ppd = vd; 1459 mutex_exit(&msp->ms_lock); 1460 } 1461 } 1462 } 1463 1464 static void 1465 zdb_leak_fini(spa_t *spa) 1466 { 1467 vdev_t *rvd = spa->spa_root_vdev; 1468 1469 for (int c = 0; c < rvd->vdev_children; c++) { 1470 vdev_t *vd = rvd->vdev_child[c]; 1471 for (int m = 0; m < vd->vdev_ms_count; m++) { 1472 metaslab_t *msp = vd->vdev_ms[m]; 1473 mutex_enter(&msp->ms_lock); 1474 space_map_unload(&msp->ms_map); 1475 mutex_exit(&msp->ms_lock); 1476 } 1477 } 1478 } 1479 1480 /* 1481 * Verify that the sum of the sizes of all blocks in the pool adds up 1482 * to the SPA's sa_alloc total. 1483 */ 1484 typedef struct zdb_blkstats { 1485 uint64_t zb_asize; 1486 uint64_t zb_lsize; 1487 uint64_t zb_psize; 1488 uint64_t zb_count; 1489 } zdb_blkstats_t; 1490 1491 #define DMU_OT_DEFERRED DMU_OT_NONE 1492 #define DMU_OT_TOTAL DMU_OT_NUMTYPES 1493 1494 #define ZB_TOTAL DN_MAX_LEVELS 1495 1496 typedef struct zdb_cb { 1497 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][DMU_OT_TOTAL + 1]; 1498 uint64_t zcb_errors[256]; 1499 int zcb_readfails; 1500 int zcb_haderrors; 1501 } zdb_cb_t; 1502 1503 static void 1504 zdb_count_block(spa_t *spa, zdb_cb_t *zcb, blkptr_t *bp, dmu_object_type_t type) 1505 { 1506 for (int i = 0; i < 4; i++) { 1507 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 1508 int t = (i & 1) ? type : DMU_OT_TOTAL; 1509 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 1510 1511 zb->zb_asize += BP_GET_ASIZE(bp); 1512 zb->zb_lsize += BP_GET_LSIZE(bp); 1513 zb->zb_psize += BP_GET_PSIZE(bp); 1514 zb->zb_count++; 1515 } 1516 1517 if (dump_opt['S']) { 1518 boolean_t print_sig; 1519 1520 print_sig = !zdb_sig_user_data || (BP_GET_LEVEL(bp) == 0 && 1521 BP_GET_TYPE(bp) == DMU_OT_PLAIN_FILE_CONTENTS); 1522 1523 if (BP_GET_CHECKSUM(bp) < zdb_sig_cksumalg) 1524 print_sig = B_FALSE; 1525 1526 if (print_sig) { 1527 (void) printf("%llu\t%lld\t%lld\t%s\t%s\t%s\t" 1528 "%llx:%llx:%llx:%llx\n", 1529 (u_longlong_t)BP_GET_LEVEL(bp), 1530 (longlong_t)BP_GET_PSIZE(bp), 1531 (longlong_t)BP_GET_NDVAS(bp), 1532 dmu_ot[BP_GET_TYPE(bp)].ot_name, 1533 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name, 1534 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name, 1535 (u_longlong_t)bp->blk_cksum.zc_word[0], 1536 (u_longlong_t)bp->blk_cksum.zc_word[1], 1537 (u_longlong_t)bp->blk_cksum.zc_word[2], 1538 (u_longlong_t)bp->blk_cksum.zc_word[3]); 1539 } 1540 } 1541 1542 if (!dump_opt['L']) 1543 VERIFY(zio_wait(zio_claim(NULL, spa, spa_first_txg(spa), bp, 1544 NULL, NULL, ZIO_FLAG_MUSTSUCCEED)) == 0); 1545 } 1546 1547 static int 1548 zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb, 1549 const dnode_phys_t *dnp, void *arg) 1550 { 1551 zdb_cb_t *zcb = arg; 1552 char blkbuf[BP_SPRINTF_LEN]; 1553 dmu_object_type_t type; 1554 boolean_t is_l0_metadata; 1555 1556 if (bp == NULL) 1557 return (0); 1558 1559 type = BP_GET_TYPE(bp); 1560 1561 zdb_count_block(spa, zcb, bp, type); 1562 1563 /* 1564 * if we do metadata-only checksumming there's no need to checksum 1565 * indirect blocks here because it is done during traverse 1566 */ 1567 is_l0_metadata = (BP_GET_LEVEL(bp) == 0 && type < DMU_OT_NUMTYPES && 1568 dmu_ot[type].ot_metadata); 1569 1570 if (dump_opt['c'] > 1 || dump_opt['S'] || 1571 (dump_opt['c'] && is_l0_metadata)) { 1572 int ioerr, size; 1573 void *data; 1574 1575 size = BP_GET_LSIZE(bp); 1576 data = malloc(size); 1577 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size, 1578 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, 1579 ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB, zb)); 1580 free(data); 1581 1582 /* We expect io errors on intent log */ 1583 if (ioerr && type != DMU_OT_INTENT_LOG) { 1584 zcb->zcb_haderrors = 1; 1585 zcb->zcb_errors[ioerr]++; 1586 1587 if (dump_opt['b'] >= 2) 1588 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 1589 else 1590 blkbuf[0] = '\0'; 1591 1592 if (!dump_opt['S']) { 1593 (void) printf("zdb_blkptr_cb: " 1594 "Got error %d reading " 1595 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 1596 ioerr, 1597 (u_longlong_t)zb->zb_objset, 1598 (u_longlong_t)zb->zb_object, 1599 (u_longlong_t)zb->zb_level, 1600 (u_longlong_t)zb->zb_blkid, 1601 blkbuf); 1602 } 1603 } 1604 } 1605 1606 zcb->zcb_readfails = 0; 1607 1608 if (dump_opt['b'] >= 4) { 1609 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 1610 (void) printf("objset %llu object %llu offset 0x%llx %s\n", 1611 (u_longlong_t)zb->zb_objset, 1612 (u_longlong_t)zb->zb_object, 1613 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid), 1614 blkbuf); 1615 } 1616 1617 return (0); 1618 } 1619 1620 static int 1621 dump_block_stats(spa_t *spa) 1622 { 1623 zdb_cb_t zcb = { 0 }; 1624 zdb_blkstats_t *zb, *tzb; 1625 uint64_t alloc, space, logalloc; 1626 vdev_t *rvd = spa->spa_root_vdev; 1627 int leaks = 0; 1628 int c, e; 1629 1630 if (!dump_opt['S']) { 1631 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n", 1632 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 1633 (dump_opt['c'] == 1) ? "metadata " : "", 1634 dump_opt['c'] ? "checksums " : "", 1635 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 1636 !dump_opt['L'] ? "nothing leaked " : ""); 1637 } 1638 1639 /* 1640 * Load all space maps as SM_ALLOC maps, then traverse the pool 1641 * claiming each block we discover. If the pool is perfectly 1642 * consistent, the space maps will be empty when we're done. 1643 * Anything left over is a leak; any block we can't claim (because 1644 * it's not part of any space map) is a double allocation, 1645 * reference to a freed block, or an unclaimed log block. 1646 */ 1647 if (!dump_opt['L']) 1648 zdb_leak_init(spa); 1649 1650 /* 1651 * If there's a deferred-free bplist, process that first. 1652 */ 1653 if (spa->spa_sync_bplist_obj != 0) { 1654 bplist_t *bpl = &spa->spa_sync_bplist; 1655 blkptr_t blk; 1656 uint64_t itor = 0; 1657 1658 VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset, 1659 spa->spa_sync_bplist_obj)); 1660 1661 while (bplist_iterate(bpl, &itor, &blk) == 0) { 1662 if (dump_opt['b'] >= 4) { 1663 char blkbuf[BP_SPRINTF_LEN]; 1664 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &blk); 1665 (void) printf("[%s] %s\n", 1666 "deferred free", blkbuf); 1667 } 1668 zdb_count_block(spa, &zcb, &blk, DMU_OT_DEFERRED); 1669 } 1670 1671 bplist_close(bpl); 1672 } 1673 1674 zcb.zcb_haderrors |= traverse_pool(spa, zdb_blkptr_cb, &zcb); 1675 1676 if (zcb.zcb_haderrors && !dump_opt['S']) { 1677 (void) printf("\nError counts:\n\n"); 1678 (void) printf("\t%5s %s\n", "errno", "count"); 1679 for (e = 0; e < 256; e++) { 1680 if (zcb.zcb_errors[e] != 0) { 1681 (void) printf("\t%5d %llu\n", 1682 e, (u_longlong_t)zcb.zcb_errors[e]); 1683 } 1684 } 1685 } 1686 1687 /* 1688 * Report any leaked segments. 1689 */ 1690 if (!dump_opt['L']) 1691 zdb_leak_fini(spa); 1692 1693 /* 1694 * If we're interested in printing out the blkptr signatures, 1695 * return now as we don't print out anything else (including 1696 * errors and leaks). 1697 */ 1698 if (dump_opt['S']) 1699 return (zcb.zcb_haderrors ? 3 : 0); 1700 1701 alloc = spa_get_alloc(spa); 1702 space = spa_get_space(spa); 1703 1704 /* 1705 * Log blocks allocated from a separate log device don't count 1706 * as part of the normal pool space; factor them in here. 1707 */ 1708 logalloc = 0; 1709 1710 for (c = 0; c < rvd->vdev_children; c++) 1711 if (rvd->vdev_child[c]->vdev_islog) 1712 logalloc += rvd->vdev_child[c]->vdev_stat.vs_alloc; 1713 1714 tzb = &zcb.zcb_type[ZB_TOTAL][DMU_OT_TOTAL]; 1715 1716 if (tzb->zb_asize == alloc + logalloc) { 1717 if (!dump_opt['L']) 1718 (void) printf("\n\tNo leaks (block sum matches space" 1719 " maps exactly)\n"); 1720 } else { 1721 (void) printf("block traversal size %llu != alloc %llu " 1722 "(%s %lld)\n", 1723 (u_longlong_t)tzb->zb_asize, 1724 (u_longlong_t)alloc + logalloc, 1725 (dump_opt['L']) ? "unreachable" : "leaked", 1726 (longlong_t)(alloc + logalloc - tzb->zb_asize)); 1727 leaks = 1; 1728 } 1729 1730 if (tzb->zb_count == 0) 1731 return (2); 1732 1733 (void) printf("\n"); 1734 (void) printf("\tbp count: %10llu\n", 1735 (u_longlong_t)tzb->zb_count); 1736 (void) printf("\tbp logical: %10llu\t avg: %6llu\n", 1737 (u_longlong_t)tzb->zb_lsize, 1738 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 1739 (void) printf("\tbp physical: %10llu\t avg:" 1740 " %6llu\tcompression: %6.2f\n", 1741 (u_longlong_t)tzb->zb_psize, 1742 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 1743 (double)tzb->zb_lsize / tzb->zb_psize); 1744 (void) printf("\tbp allocated: %10llu\t avg:" 1745 " %6llu\tcompression: %6.2f\n", 1746 (u_longlong_t)tzb->zb_asize, 1747 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 1748 (double)tzb->zb_lsize / tzb->zb_asize); 1749 (void) printf("\tSPA allocated: %10llu\tused: %5.2f%%\n", 1750 (u_longlong_t)alloc, 100.0 * alloc / space); 1751 1752 if (dump_opt['b'] >= 2) { 1753 int l, t, level; 1754 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 1755 "\t avg\t comp\t%%Total\tType\n"); 1756 1757 for (t = 0; t <= DMU_OT_NUMTYPES; t++) { 1758 char csize[6], lsize[6], psize[6], asize[6], avg[6]; 1759 char *typename; 1760 1761 typename = t == DMU_OT_DEFERRED ? "deferred free" : 1762 t == DMU_OT_TOTAL ? "Total" : dmu_ot[t].ot_name; 1763 1764 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 1765 (void) printf("%6s\t%5s\t%5s\t%5s" 1766 "\t%5s\t%5s\t%6s\t%s\n", 1767 "-", 1768 "-", 1769 "-", 1770 "-", 1771 "-", 1772 "-", 1773 "-", 1774 typename); 1775 continue; 1776 } 1777 1778 for (l = ZB_TOTAL - 1; l >= -1; l--) { 1779 level = (l == -1 ? ZB_TOTAL : l); 1780 zb = &zcb.zcb_type[level][t]; 1781 1782 if (zb->zb_asize == 0) 1783 continue; 1784 1785 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 1786 continue; 1787 1788 if (level == 0 && zb->zb_asize == 1789 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 1790 continue; 1791 1792 nicenum(zb->zb_count, csize); 1793 nicenum(zb->zb_lsize, lsize); 1794 nicenum(zb->zb_psize, psize); 1795 nicenum(zb->zb_asize, asize); 1796 nicenum(zb->zb_asize / zb->zb_count, avg); 1797 1798 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 1799 "\t%5.2f\t%6.2f\t", 1800 csize, lsize, psize, asize, avg, 1801 (double)zb->zb_lsize / zb->zb_psize, 1802 100.0 * zb->zb_asize / tzb->zb_asize); 1803 1804 if (level == ZB_TOTAL) 1805 (void) printf("%s\n", typename); 1806 else 1807 (void) printf(" L%d %s\n", 1808 level, typename); 1809 } 1810 } 1811 } 1812 1813 (void) printf("\n"); 1814 1815 if (leaks) 1816 return (2); 1817 1818 if (zcb.zcb_haderrors) 1819 return (3); 1820 1821 return (0); 1822 } 1823 1824 static void 1825 dump_zpool(spa_t *spa) 1826 { 1827 dsl_pool_t *dp = spa_get_dsl(spa); 1828 int rc = 0; 1829 1830 if (dump_opt['u']) 1831 dump_uberblock(&spa->spa_uberblock); 1832 1833 if (dump_opt['d'] || dump_opt['i'] || dump_opt['m']) { 1834 dump_dir(dp->dp_meta_objset); 1835 if (dump_opt['d'] >= 3) { 1836 dump_bplist(dp->dp_meta_objset, 1837 spa->spa_sync_bplist_obj, "Deferred frees"); 1838 dump_dtl(spa->spa_root_vdev, 0); 1839 } 1840 1841 if (dump_opt['d'] >= 3 || dump_opt['m']) 1842 dump_metaslabs(spa); 1843 1844 (void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL, 1845 DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 1846 } 1847 1848 if (dump_opt['b'] || dump_opt['c'] || dump_opt['S']) 1849 rc = dump_block_stats(spa); 1850 1851 if (dump_opt['s']) 1852 show_pool_stats(spa); 1853 1854 if (rc != 0) 1855 exit(rc); 1856 } 1857 1858 #define ZDB_FLAG_CHECKSUM 0x0001 1859 #define ZDB_FLAG_DECOMPRESS 0x0002 1860 #define ZDB_FLAG_BSWAP 0x0004 1861 #define ZDB_FLAG_GBH 0x0008 1862 #define ZDB_FLAG_INDIRECT 0x0010 1863 #define ZDB_FLAG_PHYS 0x0020 1864 #define ZDB_FLAG_RAW 0x0040 1865 #define ZDB_FLAG_PRINT_BLKPTR 0x0080 1866 1867 int flagbits[256]; 1868 1869 static void 1870 zdb_print_blkptr(blkptr_t *bp, int flags) 1871 { 1872 dva_t *dva = bp->blk_dva; 1873 int d; 1874 1875 if (flags & ZDB_FLAG_BSWAP) 1876 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 1877 /* 1878 * Super-ick warning: This code is also duplicated in 1879 * cmd/mdb/common/modules/zfs/zfs.c . Yeah, I hate code 1880 * replication, too. 1881 */ 1882 for (d = 0; d < BP_GET_NDVAS(bp); d++) { 1883 (void) printf("\tDVA[%d]: vdev_id %lld / %llx\n", d, 1884 (longlong_t)DVA_GET_VDEV(&dva[d]), 1885 (longlong_t)DVA_GET_OFFSET(&dva[d])); 1886 (void) printf("\tDVA[%d]: GANG: %-5s GRID: %04llx\t" 1887 "ASIZE: %llx\n", d, 1888 DVA_GET_GANG(&dva[d]) ? "TRUE" : "FALSE", 1889 (longlong_t)DVA_GET_GRID(&dva[d]), 1890 (longlong_t)DVA_GET_ASIZE(&dva[d])); 1891 (void) printf("\tDVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", d, 1892 (u_longlong_t)DVA_GET_VDEV(&dva[d]), 1893 (longlong_t)DVA_GET_OFFSET(&dva[d]), 1894 (longlong_t)BP_GET_PSIZE(bp), 1895 BP_SHOULD_BYTESWAP(bp) ? "e" : "", 1896 !DVA_GET_GANG(&dva[d]) && BP_GET_LEVEL(bp) != 0 ? 1897 "d" : "", 1898 DVA_GET_GANG(&dva[d]) ? "g" : "", 1899 BP_GET_COMPRESS(bp) != 0 ? "d" : ""); 1900 } 1901 (void) printf("\tLSIZE: %-16llx\t\tPSIZE: %llx\n", 1902 (longlong_t)BP_GET_LSIZE(bp), (longlong_t)BP_GET_PSIZE(bp)); 1903 (void) printf("\tENDIAN: %6s\t\t\t\t\tTYPE: %s\n", 1904 BP_GET_BYTEORDER(bp) ? "LITTLE" : "BIG", 1905 dmu_ot[BP_GET_TYPE(bp)].ot_name); 1906 (void) printf("\tBIRTH: %-16llx LEVEL: %-2llu\tFILL: %llx\n", 1907 (u_longlong_t)bp->blk_birth, (u_longlong_t)BP_GET_LEVEL(bp), 1908 (u_longlong_t)bp->blk_fill); 1909 (void) printf("\tCKFUNC: %-16s\t\tCOMP: %s\n", 1910 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name, 1911 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name); 1912 (void) printf("\tCKSUM: %llx:%llx:%llx:%llx\n", 1913 (u_longlong_t)bp->blk_cksum.zc_word[0], 1914 (u_longlong_t)bp->blk_cksum.zc_word[1], 1915 (u_longlong_t)bp->blk_cksum.zc_word[2], 1916 (u_longlong_t)bp->blk_cksum.zc_word[3]); 1917 } 1918 1919 static void 1920 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 1921 { 1922 int i; 1923 1924 for (i = 0; i < nbps; i++) 1925 zdb_print_blkptr(&bp[i], flags); 1926 } 1927 1928 static void 1929 zdb_dump_gbh(void *buf, int flags) 1930 { 1931 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 1932 } 1933 1934 static void 1935 zdb_dump_block_raw(void *buf, uint64_t size, int flags) 1936 { 1937 if (flags & ZDB_FLAG_BSWAP) 1938 byteswap_uint64_array(buf, size); 1939 (void) write(2, buf, size); 1940 } 1941 1942 static void 1943 zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 1944 { 1945 uint64_t *d = (uint64_t *)buf; 1946 int nwords = size / sizeof (uint64_t); 1947 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 1948 int i, j; 1949 char *hdr, *c; 1950 1951 1952 if (do_bswap) 1953 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 1954 else 1955 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 1956 1957 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 1958 1959 for (i = 0; i < nwords; i += 2) { 1960 (void) printf("%06llx: %016llx %016llx ", 1961 (u_longlong_t)(i * sizeof (uint64_t)), 1962 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 1963 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 1964 1965 c = (char *)&d[i]; 1966 for (j = 0; j < 2 * sizeof (uint64_t); j++) 1967 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 1968 (void) printf("\n"); 1969 } 1970 } 1971 1972 /* 1973 * There are two acceptable formats: 1974 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 1975 * child[.child]* - For example: 0.1.1 1976 * 1977 * The second form can be used to specify arbitrary vdevs anywhere 1978 * in the heirarchy. For example, in a pool with a mirror of 1979 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 1980 */ 1981 static vdev_t * 1982 zdb_vdev_lookup(vdev_t *vdev, char *path) 1983 { 1984 char *s, *p, *q; 1985 int i; 1986 1987 if (vdev == NULL) 1988 return (NULL); 1989 1990 /* First, assume the x.x.x.x format */ 1991 i = (int)strtoul(path, &s, 10); 1992 if (s == path || (s && *s != '.' && *s != '\0')) 1993 goto name; 1994 if (i < 0 || i >= vdev->vdev_children) 1995 return (NULL); 1996 1997 vdev = vdev->vdev_child[i]; 1998 if (*s == '\0') 1999 return (vdev); 2000 return (zdb_vdev_lookup(vdev, s+1)); 2001 2002 name: 2003 for (i = 0; i < vdev->vdev_children; i++) { 2004 vdev_t *vc = vdev->vdev_child[i]; 2005 2006 if (vc->vdev_path == NULL) { 2007 vc = zdb_vdev_lookup(vc, path); 2008 if (vc == NULL) 2009 continue; 2010 else 2011 return (vc); 2012 } 2013 2014 p = strrchr(vc->vdev_path, '/'); 2015 p = p ? p + 1 : vc->vdev_path; 2016 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 2017 2018 if (strcmp(vc->vdev_path, path) == 0) 2019 return (vc); 2020 if (strcmp(p, path) == 0) 2021 return (vc); 2022 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 2023 return (vc); 2024 } 2025 2026 return (NULL); 2027 } 2028 2029 /* 2030 * Read a block from a pool and print it out. The syntax of the 2031 * block descriptor is: 2032 * 2033 * pool:vdev_specifier:offset:size[:flags] 2034 * 2035 * pool - The name of the pool you wish to read from 2036 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 2037 * offset - offset, in hex, in bytes 2038 * size - Amount of data to read, in hex, in bytes 2039 * flags - A string of characters specifying options 2040 * b: Decode a blkptr at given offset within block 2041 * *c: Calculate and display checksums 2042 * *d: Decompress data before dumping 2043 * e: Byteswap data before dumping 2044 * *g: Display data as a gang block header 2045 * *i: Display as an indirect block 2046 * p: Do I/O to physical offset 2047 * r: Dump raw data to stdout 2048 * 2049 * * = not yet implemented 2050 */ 2051 static void 2052 zdb_read_block(char *thing, spa_t **spap) 2053 { 2054 spa_t *spa = *spap; 2055 int flags = 0; 2056 uint64_t offset = 0, size = 0, blkptr_offset = 0; 2057 zio_t *zio; 2058 vdev_t *vd; 2059 void *buf; 2060 char *s, *p, *dup, *pool, *vdev, *flagstr; 2061 int i, error, zio_flags; 2062 2063 dup = strdup(thing); 2064 s = strtok(dup, ":"); 2065 pool = s ? s : ""; 2066 s = strtok(NULL, ":"); 2067 vdev = s ? s : ""; 2068 s = strtok(NULL, ":"); 2069 offset = strtoull(s ? s : "", NULL, 16); 2070 s = strtok(NULL, ":"); 2071 size = strtoull(s ? s : "", NULL, 16); 2072 s = strtok(NULL, ":"); 2073 flagstr = s ? s : ""; 2074 2075 s = NULL; 2076 if (size == 0) 2077 s = "size must not be zero"; 2078 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 2079 s = "size must be a multiple of sector size"; 2080 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 2081 s = "offset must be a multiple of sector size"; 2082 if (s) { 2083 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 2084 free(dup); 2085 return; 2086 } 2087 2088 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 2089 for (i = 0; flagstr[i]; i++) { 2090 int bit = flagbits[(uchar_t)flagstr[i]]; 2091 2092 if (bit == 0) { 2093 (void) printf("***Invalid flag: %c\n", 2094 flagstr[i]); 2095 continue; 2096 } 2097 flags |= bit; 2098 2099 /* If it's not something with an argument, keep going */ 2100 if ((bit & (ZDB_FLAG_CHECKSUM | ZDB_FLAG_DECOMPRESS | 2101 ZDB_FLAG_PRINT_BLKPTR)) == 0) 2102 continue; 2103 2104 p = &flagstr[i + 1]; 2105 if (bit == ZDB_FLAG_PRINT_BLKPTR) 2106 blkptr_offset = strtoull(p, &p, 16); 2107 if (*p != ':' && *p != '\0') { 2108 (void) printf("***Invalid flag arg: '%s'\n", s); 2109 free(dup); 2110 return; 2111 } 2112 } 2113 } 2114 2115 if (spa == NULL || strcmp(spa_name(spa), pool) != 0) { 2116 if (spa) 2117 spa_close(spa, (void *)zdb_read_block); 2118 error = spa_open(pool, spap, (void *)zdb_read_block); 2119 if (error) 2120 fatal("Failed to open pool '%s': %s", 2121 pool, strerror(error)); 2122 spa = *spap; 2123 } 2124 2125 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 2126 if (vd == NULL) { 2127 (void) printf("***Invalid vdev: %s\n", vdev); 2128 free(dup); 2129 return; 2130 } else { 2131 if (vd->vdev_path) 2132 (void) printf("Found vdev: %s\n", vd->vdev_path); 2133 else 2134 (void) printf("Found vdev type: %s\n", 2135 vd->vdev_ops->vdev_op_type); 2136 } 2137 2138 buf = umem_alloc(size, UMEM_NOFAIL); 2139 2140 zio_flags = ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2141 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY; 2142 2143 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2144 zio = zio_root(spa, NULL, NULL, 0); 2145 /* XXX todo - cons up a BP so RAID-Z will be happy */ 2146 zio_nowait(zio_vdev_child_io(zio, NULL, vd, offset, buf, size, 2147 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, zio_flags, NULL, NULL)); 2148 error = zio_wait(zio); 2149 spa_config_exit(spa, SCL_STATE, FTAG); 2150 2151 if (error) { 2152 (void) printf("Read of %s failed, error: %d\n", thing, error); 2153 goto out; 2154 } 2155 2156 if (flags & ZDB_FLAG_PRINT_BLKPTR) 2157 zdb_print_blkptr((blkptr_t *)(void *) 2158 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 2159 else if (flags & ZDB_FLAG_RAW) 2160 zdb_dump_block_raw(buf, size, flags); 2161 else if (flags & ZDB_FLAG_INDIRECT) 2162 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 2163 flags); 2164 else if (flags & ZDB_FLAG_GBH) 2165 zdb_dump_gbh(buf, flags); 2166 else 2167 zdb_dump_block(thing, buf, size, flags); 2168 2169 out: 2170 umem_free(buf, size); 2171 free(dup); 2172 } 2173 2174 static boolean_t 2175 nvlist_string_match(nvlist_t *config, char *name, char *tgt) 2176 { 2177 char *s; 2178 2179 if (nvlist_lookup_string(config, name, &s) != 0) 2180 return (B_FALSE); 2181 2182 return (strcmp(s, tgt) == 0); 2183 } 2184 2185 static boolean_t 2186 nvlist_uint64_match(nvlist_t *config, char *name, uint64_t tgt) 2187 { 2188 uint64_t val; 2189 2190 if (nvlist_lookup_uint64(config, name, &val) != 0) 2191 return (B_FALSE); 2192 2193 return (val == tgt); 2194 } 2195 2196 static boolean_t 2197 vdev_child_guid_match(nvlist_t *vdev, uint64_t guid) 2198 { 2199 nvlist_t **child; 2200 uint_t c, children; 2201 2202 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN, 2203 &child, &children) == 0); 2204 for (c = 0; c < children; ++c) 2205 if (nvlist_uint64_match(child[c], ZPOOL_CONFIG_GUID, guid)) 2206 return (B_TRUE); 2207 return (B_FALSE); 2208 } 2209 2210 static boolean_t 2211 vdev_child_string_match(nvlist_t *vdev, char *tgt) 2212 { 2213 nvlist_t **child; 2214 uint_t c, children; 2215 2216 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN, 2217 &child, &children) == 0); 2218 for (c = 0; c < children; ++c) { 2219 if (nvlist_string_match(child[c], ZPOOL_CONFIG_PATH, tgt) || 2220 nvlist_string_match(child[c], ZPOOL_CONFIG_DEVID, tgt)) 2221 return (B_TRUE); 2222 } 2223 return (B_FALSE); 2224 } 2225 2226 static boolean_t 2227 vdev_guid_match(nvlist_t *config, uint64_t guid) 2228 { 2229 nvlist_t *nvroot; 2230 2231 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2232 &nvroot) == 0); 2233 2234 return (nvlist_uint64_match(nvroot, ZPOOL_CONFIG_GUID, guid) || 2235 vdev_child_guid_match(nvroot, guid)); 2236 } 2237 2238 static boolean_t 2239 vdev_string_match(nvlist_t *config, char *tgt) 2240 { 2241 nvlist_t *nvroot; 2242 2243 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2244 &nvroot) == 0); 2245 2246 return (vdev_child_string_match(nvroot, tgt)); 2247 } 2248 2249 static boolean_t 2250 pool_match(nvlist_t *config, char *tgt) 2251 { 2252 uint64_t guid = strtoull(tgt, NULL, 0); 2253 2254 if (guid != 0) { 2255 return ( 2256 nvlist_uint64_match(config, ZPOOL_CONFIG_POOL_GUID, guid) || 2257 vdev_guid_match(config, guid)); 2258 } else { 2259 return ( 2260 nvlist_string_match(config, ZPOOL_CONFIG_POOL_NAME, tgt) || 2261 vdev_string_match(config, tgt)); 2262 } 2263 } 2264 2265 static int 2266 find_exported_zpool(char *pool_id, nvlist_t **configp, char *vdev_dir) 2267 { 2268 nvlist_t *pools; 2269 int error = ENOENT; 2270 nvlist_t *match = NULL; 2271 2272 if (vdev_dir != NULL) 2273 pools = zpool_find_import_activeok(g_zfs, 1, &vdev_dir); 2274 else 2275 pools = zpool_find_import_activeok(g_zfs, 0, NULL); 2276 2277 if (pools != NULL) { 2278 nvpair_t *elem = NULL; 2279 2280 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2281 verify(nvpair_value_nvlist(elem, configp) == 0); 2282 if (pool_match(*configp, pool_id)) { 2283 if (match != NULL) { 2284 (void) fatal( 2285 "More than one matching pool - " 2286 "specify guid/devid/device path."); 2287 } else { 2288 match = *configp; 2289 error = 0; 2290 } 2291 } 2292 } 2293 } 2294 2295 *configp = error ? NULL : match; 2296 2297 return (error); 2298 } 2299 2300 int 2301 main(int argc, char **argv) 2302 { 2303 int i, c; 2304 struct rlimit rl = { 1024, 1024 }; 2305 spa_t *spa; 2306 objset_t *os = NULL; 2307 char *endstr; 2308 int dump_all = 1; 2309 int verbose = 0; 2310 int error; 2311 int exported = 0; 2312 char *vdev_dir = NULL; 2313 2314 (void) setrlimit(RLIMIT_NOFILE, &rl); 2315 (void) enable_extended_FILE_stdio(-1, -1); 2316 2317 dprintf_setup(&argc, argv); 2318 2319 while ((c = getopt(argc, argv, "udibcmsvCLS:U:lRep:t:")) != -1) { 2320 switch (c) { 2321 case 'u': 2322 case 'd': 2323 case 'i': 2324 case 'b': 2325 case 'c': 2326 case 'm': 2327 case 's': 2328 case 'C': 2329 case 'l': 2330 case 'R': 2331 dump_opt[c]++; 2332 dump_all = 0; 2333 break; 2334 case 'L': 2335 dump_opt[c]++; 2336 break; 2337 case 'v': 2338 verbose++; 2339 break; 2340 case 'U': 2341 spa_config_path = optarg; 2342 break; 2343 case 'e': 2344 exported = 1; 2345 break; 2346 case 'p': 2347 vdev_dir = optarg; 2348 break; 2349 case 'S': 2350 dump_opt[c]++; 2351 dump_all = 0; 2352 zdb_sig_user_data = (strncmp(optarg, "user:", 5) == 0); 2353 if (!zdb_sig_user_data && strncmp(optarg, "all:", 4)) 2354 usage(); 2355 endstr = strchr(optarg, ':') + 1; 2356 if (strcmp(endstr, "fletcher2") == 0) 2357 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2; 2358 else if (strcmp(endstr, "fletcher4") == 0) 2359 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_4; 2360 else if (strcmp(endstr, "sha256") == 0) 2361 zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256; 2362 else if (strcmp(endstr, "all") == 0) 2363 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2; 2364 else 2365 usage(); 2366 break; 2367 case 't': 2368 ub_max_txg = strtoull(optarg, NULL, 0); 2369 if (ub_max_txg < TXG_INITIAL) { 2370 (void) fprintf(stderr, "incorrect txg " 2371 "specified: %s\n", optarg); 2372 usage(); 2373 } 2374 break; 2375 default: 2376 usage(); 2377 break; 2378 } 2379 } 2380 2381 if (vdev_dir != NULL && exported == 0) { 2382 (void) fprintf(stderr, "-p option requires use of -e\n"); 2383 usage(); 2384 } 2385 2386 kernel_init(FREAD); 2387 g_zfs = libzfs_init(); 2388 ASSERT(g_zfs != NULL); 2389 2390 for (c = 0; c < 256; c++) { 2391 if (dump_all && c != 'l' && c != 'R') 2392 dump_opt[c] = 1; 2393 if (dump_opt[c]) 2394 dump_opt[c] += verbose; 2395 } 2396 2397 argc -= optind; 2398 argv += optind; 2399 2400 if (argc < 1) { 2401 if (dump_opt['C']) { 2402 dump_cachefile(spa_config_path); 2403 return (0); 2404 } 2405 usage(); 2406 } 2407 2408 if (dump_opt['l']) { 2409 dump_label(argv[0]); 2410 return (0); 2411 } 2412 2413 if (dump_opt['R']) { 2414 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 2415 flagbits['c'] = ZDB_FLAG_CHECKSUM; 2416 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 2417 flagbits['e'] = ZDB_FLAG_BSWAP; 2418 flagbits['g'] = ZDB_FLAG_GBH; 2419 flagbits['i'] = ZDB_FLAG_INDIRECT; 2420 flagbits['p'] = ZDB_FLAG_PHYS; 2421 flagbits['r'] = ZDB_FLAG_RAW; 2422 2423 spa = NULL; 2424 while (argv[0]) { 2425 zdb_read_block(argv[0], &spa); 2426 argv++; 2427 argc--; 2428 } 2429 if (spa) 2430 spa_close(spa, (void *)zdb_read_block); 2431 return (0); 2432 } 2433 2434 if (dump_opt['C']) 2435 dump_config(argv[0]); 2436 2437 error = 0; 2438 if (exported) { 2439 /* 2440 * Check to see if the name refers to an exported zpool 2441 */ 2442 char *slash; 2443 nvlist_t *exported_conf = NULL; 2444 2445 if ((slash = strchr(argv[0], '/')) != NULL) 2446 *slash = '\0'; 2447 2448 error = find_exported_zpool(argv[0], &exported_conf, vdev_dir); 2449 if (error == 0) { 2450 nvlist_t *nvl = NULL; 2451 2452 if (vdev_dir != NULL) { 2453 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 2454 error = ENOMEM; 2455 else if (nvlist_add_string(nvl, 2456 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), 2457 vdev_dir) != 0) 2458 error = ENOMEM; 2459 } 2460 2461 if (error == 0) 2462 error = spa_import_verbatim(argv[0], 2463 exported_conf, nvl); 2464 2465 nvlist_free(nvl); 2466 } 2467 2468 if (slash != NULL) 2469 *slash = '/'; 2470 } 2471 2472 if (error == 0) { 2473 if (strchr(argv[0], '/') != NULL) { 2474 error = dmu_objset_open(argv[0], DMU_OST_ANY, 2475 DS_MODE_USER | DS_MODE_READONLY, &os); 2476 } else { 2477 error = spa_open(argv[0], &spa, FTAG); 2478 } 2479 } 2480 2481 if (error) 2482 fatal("can't open %s: %s", argv[0], strerror(error)); 2483 2484 argv++; 2485 if (--argc > 0) { 2486 zopt_objects = argc; 2487 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 2488 for (i = 0; i < zopt_objects; i++) { 2489 errno = 0; 2490 zopt_object[i] = strtoull(argv[i], NULL, 0); 2491 if (zopt_object[i] == 0 && errno != 0) 2492 fatal("bad object number %s: %s", 2493 argv[i], strerror(errno)); 2494 } 2495 } 2496 2497 if (os != NULL) { 2498 dump_dir(os); 2499 dmu_objset_close(os); 2500 } else { 2501 dump_zpool(spa); 2502 spa_close(spa, FTAG); 2503 } 2504 2505 fuid_table_destroy(); 2506 2507 libzfs_fini(g_zfs); 2508 kernel_fini(); 2509 2510 return (0); 2511 } 2512