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 2008 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 #undef ZFS_MAXNAMELEN 54 #undef verify 55 #include <libzfs.h> 56 57 const char cmdname[] = "zdb"; 58 uint8_t dump_opt[256]; 59 60 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 61 62 extern void dump_intent_log(zilog_t *); 63 uint64_t *zopt_object = NULL; 64 int zopt_objects = 0; 65 int zdb_advance = ADVANCE_PRE; 66 zbookmark_t zdb_noread = { 0, 0, ZB_NO_LEVEL, 0 }; 67 libzfs_handle_t *g_zfs; 68 boolean_t zdb_sig_user_data = B_TRUE; 69 int zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256; 70 71 /* 72 * These libumem hooks provide a reasonable set of defaults for the allocator's 73 * debugging facilities. 74 */ 75 const char * 76 _umem_debug_init() 77 { 78 return ("default,verbose"); /* $UMEM_DEBUG setting */ 79 } 80 81 const char * 82 _umem_logging_init(void) 83 { 84 return ("fail,contents"); /* $UMEM_LOGGING setting */ 85 } 86 87 static void 88 usage(void) 89 { 90 (void) fprintf(stderr, 91 "Usage: %s [-udibcsvL] [-U cachefile_path] [-O order] " 92 "[-B os:obj:level:blkid] [-S user:cksumalg] " 93 "dataset [object...]\n" 94 " %s -C [pool]\n" 95 " %s -l dev\n" 96 " %s -R pool:vdev:offset:size:flags\n" 97 " %s [-p path_to_vdev_dir]\n" 98 " %s -e pool | GUID | devid ...\n", 99 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 100 101 (void) fprintf(stderr, " -u uberblock\n"); 102 (void) fprintf(stderr, " -d datasets\n"); 103 (void) fprintf(stderr, " -C cached pool configuration\n"); 104 (void) fprintf(stderr, " -i intent logs\n"); 105 (void) fprintf(stderr, " -b block statistics\n"); 106 (void) fprintf(stderr, " -c checksum all data blocks\n"); 107 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 108 (void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- " 109 "dump blkptr signatures\n"); 110 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 111 (void) fprintf(stderr, " -l dump label contents\n"); 112 (void) fprintf(stderr, " -L live pool (allows some errors)\n"); 113 (void) fprintf(stderr, " -O [!]<pre|post|prune|data|holes> " 114 "visitation order\n"); 115 (void) fprintf(stderr, " -U cachefile_path -- use alternate " 116 "cachefile\n"); 117 (void) fprintf(stderr, " -B objset:object:level:blkid -- " 118 "simulate bad block\n"); 119 (void) fprintf(stderr, " -R read and display block from a " 120 "device\n"); 121 (void) fprintf(stderr, " -e Pool is exported/destroyed/" 122 "has altroot\n"); 123 (void) fprintf(stderr, " -p <Path to vdev dir> (use with -e)\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 static void 131 fatal(const char *fmt, ...) 132 { 133 va_list ap; 134 135 va_start(ap, fmt); 136 (void) fprintf(stderr, "%s: ", cmdname); 137 (void) vfprintf(stderr, fmt, ap); 138 va_end(ap); 139 (void) fprintf(stderr, "\n"); 140 141 exit(1); 142 } 143 144 static void 145 dump_nvlist(nvlist_t *list, int indent) 146 { 147 nvpair_t *elem = NULL; 148 149 while ((elem = nvlist_next_nvpair(list, elem)) != NULL) { 150 switch (nvpair_type(elem)) { 151 case DATA_TYPE_STRING: 152 { 153 char *value; 154 155 VERIFY(nvpair_value_string(elem, &value) == 0); 156 (void) printf("%*s%s='%s'\n", indent, "", 157 nvpair_name(elem), value); 158 } 159 break; 160 161 case DATA_TYPE_UINT64: 162 { 163 uint64_t value; 164 165 VERIFY(nvpair_value_uint64(elem, &value) == 0); 166 (void) printf("%*s%s=%llu\n", indent, "", 167 nvpair_name(elem), (u_longlong_t)value); 168 } 169 break; 170 171 case DATA_TYPE_NVLIST: 172 { 173 nvlist_t *value; 174 175 VERIFY(nvpair_value_nvlist(elem, &value) == 0); 176 (void) printf("%*s%s\n", indent, "", 177 nvpair_name(elem)); 178 dump_nvlist(value, indent + 4); 179 } 180 break; 181 182 case DATA_TYPE_NVLIST_ARRAY: 183 { 184 nvlist_t **value; 185 uint_t c, count; 186 187 VERIFY(nvpair_value_nvlist_array(elem, &value, 188 &count) == 0); 189 190 for (c = 0; c < count; c++) { 191 (void) printf("%*s%s[%u]\n", indent, "", 192 nvpair_name(elem), c); 193 dump_nvlist(value[c], indent + 8); 194 } 195 } 196 break; 197 198 default: 199 200 (void) printf("bad config type %d for %s\n", 201 nvpair_type(elem), nvpair_name(elem)); 202 } 203 } 204 } 205 206 /* ARGSUSED */ 207 static void 208 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 209 { 210 nvlist_t *nv; 211 size_t nvsize = *(uint64_t *)data; 212 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 213 214 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed)); 215 216 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 217 218 umem_free(packed, nvsize); 219 220 dump_nvlist(nv, 8); 221 222 nvlist_free(nv); 223 } 224 225 const char dump_zap_stars[] = "****************************************"; 226 const int dump_zap_width = sizeof (dump_zap_stars) - 1; 227 228 static void 229 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) 230 { 231 int i; 232 int minidx = ZAP_HISTOGRAM_SIZE - 1; 233 int maxidx = 0; 234 uint64_t max = 0; 235 236 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { 237 if (histo[i] > max) 238 max = histo[i]; 239 if (histo[i] > 0 && i > maxidx) 240 maxidx = i; 241 if (histo[i] > 0 && i < minidx) 242 minidx = i; 243 } 244 245 if (max < dump_zap_width) 246 max = dump_zap_width; 247 248 for (i = minidx; i <= maxidx; i++) 249 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], 250 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); 251 } 252 253 static void 254 dump_zap_stats(objset_t *os, uint64_t object) 255 { 256 int error; 257 zap_stats_t zs; 258 259 error = zap_get_stats(os, object, &zs); 260 if (error) 261 return; 262 263 if (zs.zs_ptrtbl_len == 0) { 264 ASSERT(zs.zs_num_blocks == 1); 265 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 266 (u_longlong_t)zs.zs_blocksize, 267 (u_longlong_t)zs.zs_num_entries); 268 return; 269 } 270 271 (void) printf("\tFat ZAP stats:\n"); 272 273 (void) printf("\t\tPointer table:\n"); 274 (void) printf("\t\t\t%llu elements\n", 275 (u_longlong_t)zs.zs_ptrtbl_len); 276 (void) printf("\t\t\tzt_blk: %llu\n", 277 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 278 (void) printf("\t\t\tzt_numblks: %llu\n", 279 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 280 (void) printf("\t\t\tzt_shift: %llu\n", 281 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 282 (void) printf("\t\t\tzt_blks_copied: %llu\n", 283 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 284 (void) printf("\t\t\tzt_nextblk: %llu\n", 285 (u_longlong_t)zs.zs_ptrtbl_nextblk); 286 287 (void) printf("\t\tZAP entries: %llu\n", 288 (u_longlong_t)zs.zs_num_entries); 289 (void) printf("\t\tLeaf blocks: %llu\n", 290 (u_longlong_t)zs.zs_num_leafs); 291 (void) printf("\t\tTotal blocks: %llu\n", 292 (u_longlong_t)zs.zs_num_blocks); 293 (void) printf("\t\tzap_block_type: 0x%llx\n", 294 (u_longlong_t)zs.zs_block_type); 295 (void) printf("\t\tzap_magic: 0x%llx\n", 296 (u_longlong_t)zs.zs_magic); 297 (void) printf("\t\tzap_salt: 0x%llx\n", 298 (u_longlong_t)zs.zs_salt); 299 300 (void) printf("\t\tLeafs with 2^n pointers:\n"); 301 dump_zap_histogram(zs.zs_leafs_with_2n_pointers); 302 303 (void) printf("\t\tBlocks with n*5 entries:\n"); 304 dump_zap_histogram(zs.zs_blocks_with_n5_entries); 305 306 (void) printf("\t\tBlocks n/10 full:\n"); 307 dump_zap_histogram(zs.zs_blocks_n_tenths_full); 308 309 (void) printf("\t\tEntries with n chunks:\n"); 310 dump_zap_histogram(zs.zs_entries_using_n_chunks); 311 312 (void) printf("\t\tBuckets with n entries:\n"); 313 dump_zap_histogram(zs.zs_buckets_with_n_entries); 314 } 315 316 /*ARGSUSED*/ 317 static void 318 dump_none(objset_t *os, uint64_t object, void *data, size_t size) 319 { 320 } 321 322 /*ARGSUSED*/ 323 void 324 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 325 { 326 } 327 328 /*ARGSUSED*/ 329 static void 330 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 331 { 332 } 333 334 /*ARGSUSED*/ 335 static void 336 dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 337 { 338 zap_cursor_t zc; 339 zap_attribute_t attr; 340 void *prop; 341 int i; 342 343 dump_zap_stats(os, object); 344 (void) printf("\n"); 345 346 for (zap_cursor_init(&zc, os, object); 347 zap_cursor_retrieve(&zc, &attr) == 0; 348 zap_cursor_advance(&zc)) { 349 (void) printf("\t\t%s = ", attr.za_name); 350 if (attr.za_num_integers == 0) { 351 (void) printf("\n"); 352 continue; 353 } 354 prop = umem_zalloc(attr.za_num_integers * 355 attr.za_integer_length, UMEM_NOFAIL); 356 (void) zap_lookup(os, object, attr.za_name, 357 attr.za_integer_length, attr.za_num_integers, prop); 358 if (attr.za_integer_length == 1) { 359 (void) printf("%s", (char *)prop); 360 } else { 361 for (i = 0; i < attr.za_num_integers; i++) { 362 switch (attr.za_integer_length) { 363 case 2: 364 (void) printf("%u ", 365 ((uint16_t *)prop)[i]); 366 break; 367 case 4: 368 (void) printf("%u ", 369 ((uint32_t *)prop)[i]); 370 break; 371 case 8: 372 (void) printf("%lld ", 373 (u_longlong_t)((int64_t *)prop)[i]); 374 break; 375 } 376 } 377 } 378 (void) printf("\n"); 379 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 380 } 381 zap_cursor_fini(&zc); 382 } 383 384 /*ARGSUSED*/ 385 static void 386 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 387 { 388 zap_cursor_t zc; 389 zap_attribute_t attr; 390 const char *typenames[] = { 391 /* 0 */ "not specified", 392 /* 1 */ "FIFO", 393 /* 2 */ "Character Device", 394 /* 3 */ "3 (invalid)", 395 /* 4 */ "Directory", 396 /* 5 */ "5 (invalid)", 397 /* 6 */ "Block Device", 398 /* 7 */ "7 (invalid)", 399 /* 8 */ "Regular File", 400 /* 9 */ "9 (invalid)", 401 /* 10 */ "Symbolic Link", 402 /* 11 */ "11 (invalid)", 403 /* 12 */ "Socket", 404 /* 13 */ "Door", 405 /* 14 */ "Event Port", 406 /* 15 */ "15 (invalid)", 407 }; 408 409 dump_zap_stats(os, object); 410 (void) printf("\n"); 411 412 for (zap_cursor_init(&zc, os, object); 413 zap_cursor_retrieve(&zc, &attr) == 0; 414 zap_cursor_advance(&zc)) { 415 (void) printf("\t\t%s = %lld (type: %s)\n", 416 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 417 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 418 } 419 zap_cursor_fini(&zc); 420 } 421 422 static void 423 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 424 { 425 uint64_t alloc, offset, entry; 426 uint8_t mapshift = sm->sm_shift; 427 uint64_t mapstart = sm->sm_start; 428 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 429 "INVALID", "INVALID", "INVALID", "INVALID" }; 430 431 if (smo->smo_object == 0) 432 return; 433 434 /* 435 * Print out the freelist entries in both encoded and decoded form. 436 */ 437 alloc = 0; 438 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 439 VERIFY(0 == dmu_read(os, smo->smo_object, offset, 440 sizeof (entry), &entry)); 441 if (SM_DEBUG_DECODE(entry)) { 442 (void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n", 443 (u_longlong_t)(offset / sizeof (entry)), 444 ddata[SM_DEBUG_ACTION_DECODE(entry)], 445 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 446 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 447 } else { 448 (void) printf("\t\t[%4llu] %c range:" 449 " %08llx-%08llx size: %06llx\n", 450 (u_longlong_t)(offset / sizeof (entry)), 451 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 452 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 453 mapshift) + mapstart), 454 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 455 mapshift) + mapstart + (SM_RUN_DECODE(entry) << 456 mapshift)), 457 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 458 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 459 alloc += SM_RUN_DECODE(entry) << mapshift; 460 else 461 alloc -= SM_RUN_DECODE(entry) << mapshift; 462 } 463 } 464 if (alloc != smo->smo_alloc) { 465 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 466 "with space map summary (%llu)\n", 467 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 468 } 469 } 470 471 static void 472 dump_metaslab(metaslab_t *msp) 473 { 474 char freebuf[5]; 475 space_map_obj_t *smo = &msp->ms_smo; 476 vdev_t *vd = msp->ms_group->mg_vd; 477 spa_t *spa = vd->vdev_spa; 478 479 nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf); 480 481 if (dump_opt['d'] <= 5) { 482 (void) printf("\t%10llx %10llu %5s\n", 483 (u_longlong_t)msp->ms_map.sm_start, 484 (u_longlong_t)smo->smo_object, 485 freebuf); 486 return; 487 } 488 489 (void) printf( 490 "\tvdev %llu offset %08llx spacemap %4llu free %5s\n", 491 (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start, 492 (u_longlong_t)smo->smo_object, freebuf); 493 494 ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift)); 495 496 dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map); 497 } 498 499 static void 500 dump_metaslabs(spa_t *spa) 501 { 502 vdev_t *rvd = spa->spa_root_vdev; 503 vdev_t *vd; 504 int c, m; 505 506 (void) printf("\nMetaslabs:\n"); 507 508 for (c = 0; c < rvd->vdev_children; c++) { 509 vd = rvd->vdev_child[c]; 510 511 (void) printf("\n vdev %llu\n\n", (u_longlong_t)vd->vdev_id); 512 513 if (dump_opt['d'] <= 5) { 514 (void) printf("\t%10s %10s %5s\n", 515 "offset", "spacemap", "free"); 516 (void) printf("\t%10s %10s %5s\n", 517 "------", "--------", "----"); 518 } 519 for (m = 0; m < vd->vdev_ms_count; m++) 520 dump_metaslab(vd->vdev_ms[m]); 521 (void) printf("\n"); 522 } 523 } 524 525 static void 526 dump_dtl(vdev_t *vd, int indent) 527 { 528 avl_tree_t *t = &vd->vdev_dtl_map.sm_root; 529 space_seg_t *ss; 530 vdev_t *pvd; 531 int c; 532 533 if (indent == 0) 534 (void) printf("\nDirty time logs:\n\n"); 535 536 (void) printf("\t%*s%s\n", indent, "", 537 vd->vdev_path ? vd->vdev_path : 538 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : 539 spa_name(vd->vdev_spa)); 540 541 for (ss = avl_first(t); ss; ss = AVL_NEXT(t, ss)) { 542 /* 543 * Everything in this DTL must appear in all parent DTL unions. 544 */ 545 for (pvd = vd; pvd; pvd = pvd->vdev_parent) 546 ASSERT(vdev_dtl_contains(&pvd->vdev_dtl_map, 547 ss->ss_start, ss->ss_end - ss->ss_start)); 548 (void) printf("\t%*soutage [%llu,%llu] length %llu\n", 549 indent, "", 550 (u_longlong_t)ss->ss_start, 551 (u_longlong_t)ss->ss_end - 1, 552 (u_longlong_t)(ss->ss_end - ss->ss_start)); 553 } 554 555 (void) printf("\n"); 556 557 if (dump_opt['d'] > 5 && vd->vdev_children == 0) { 558 dump_spacemap(vd->vdev_spa->spa_meta_objset, &vd->vdev_dtl, 559 &vd->vdev_dtl_map); 560 (void) printf("\n"); 561 } 562 563 for (c = 0; c < vd->vdev_children; c++) 564 dump_dtl(vd->vdev_child[c], indent + 4); 565 } 566 567 /*ARGSUSED*/ 568 static void 569 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 570 { 571 } 572 573 static uint64_t 574 blkid2offset(dnode_phys_t *dnp, int level, uint64_t blkid) 575 { 576 if (level < 0) 577 return (blkid); 578 579 return ((blkid << (level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 580 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 581 } 582 583 static void 584 sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp, int alldvas) 585 { 586 dva_t *dva = bp->blk_dva; 587 int ndvas = alldvas ? BP_GET_NDVAS(bp) : 1; 588 int i; 589 590 blkbuf[0] = '\0'; 591 592 for (i = 0; i < ndvas; i++) 593 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", 594 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 595 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 596 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 597 598 (void) sprintf(blkbuf + strlen(blkbuf), "%llxL/%llxP F=%llu B=%llu", 599 (u_longlong_t)BP_GET_LSIZE(bp), 600 (u_longlong_t)BP_GET_PSIZE(bp), 601 (u_longlong_t)bp->blk_fill, 602 (u_longlong_t)bp->blk_birth); 603 } 604 605 /* ARGSUSED */ 606 static int 607 zdb_indirect_cb(traverse_blk_cache_t *bc, spa_t *spa, void *a) 608 { 609 zbookmark_t *zb = &bc->bc_bookmark; 610 blkptr_t *bp = &bc->bc_blkptr; 611 void *data = bc->bc_data; 612 dnode_phys_t *dnp = bc->bc_dnode; 613 char blkbuf[BP_SPRINTF_LEN + 80]; 614 int l; 615 616 if (bc->bc_errno) { 617 (void) sprintf(blkbuf, 618 "Error %d reading <%llu, %llu, %lld, %llu>: ", 619 bc->bc_errno, 620 (u_longlong_t)zb->zb_objset, 621 (u_longlong_t)zb->zb_object, 622 (u_longlong_t)zb->zb_level, 623 (u_longlong_t)zb->zb_blkid); 624 goto out; 625 } 626 627 if (zb->zb_level == -1) { 628 ASSERT3U(BP_GET_TYPE(bp), ==, DMU_OT_OBJSET); 629 ASSERT3U(BP_GET_LEVEL(bp), ==, 0); 630 } else { 631 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 632 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 633 } 634 635 if (zb->zb_level > 0) { 636 uint64_t fill = 0; 637 blkptr_t *bpx, *bpend; 638 639 for (bpx = data, bpend = bpx + BP_GET_LSIZE(bp) / sizeof (*bpx); 640 bpx < bpend; bpx++) { 641 if (bpx->blk_birth != 0) { 642 fill += bpx->blk_fill; 643 } else { 644 ASSERT(bpx->blk_fill == 0); 645 } 646 } 647 ASSERT3U(fill, ==, bp->blk_fill); 648 } 649 650 if (zb->zb_level == 0 && dnp->dn_type == DMU_OT_DNODE) { 651 uint64_t fill = 0; 652 dnode_phys_t *dnx, *dnend; 653 654 for (dnx = data, dnend = dnx + (BP_GET_LSIZE(bp)>>DNODE_SHIFT); 655 dnx < dnend; dnx++) { 656 if (dnx->dn_type != DMU_OT_NONE) 657 fill++; 658 } 659 ASSERT3U(fill, ==, bp->blk_fill); 660 } 661 662 (void) sprintf(blkbuf, "%16llx ", 663 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid)); 664 665 ASSERT(zb->zb_level >= 0); 666 667 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 668 if (l == zb->zb_level) { 669 (void) sprintf(blkbuf + strlen(blkbuf), "L%llx", 670 (u_longlong_t)zb->zb_level); 671 } else { 672 (void) sprintf(blkbuf + strlen(blkbuf), " "); 673 } 674 } 675 676 out: 677 if (bp->blk_birth == 0) { 678 (void) sprintf(blkbuf + strlen(blkbuf), "<hole>"); 679 (void) printf("%s\n", blkbuf); 680 } else { 681 sprintf_blkptr_compact(blkbuf + strlen(blkbuf), bp, 682 dump_opt['d'] > 5 ? 1 : 0); 683 (void) printf("%s\n", blkbuf); 684 } 685 686 return (bc->bc_errno ? ERESTART : 0); 687 } 688 689 /*ARGSUSED*/ 690 static void 691 dump_indirect(objset_t *os, uint64_t object, void *data, size_t size) 692 { 693 traverse_handle_t *th; 694 uint64_t objset = dmu_objset_id(os); 695 int advance = zdb_advance; 696 697 (void) printf("Indirect blocks:\n"); 698 699 if (object == 0) 700 advance |= ADVANCE_DATA; 701 702 th = traverse_init(dmu_objset_spa(os), zdb_indirect_cb, NULL, advance, 703 ZIO_FLAG_CANFAIL); 704 th->th_noread = zdb_noread; 705 706 traverse_add_dnode(th, 0, -1ULL, objset, object); 707 708 while (traverse_more(th) == EAGAIN) 709 continue; 710 711 (void) printf("\n"); 712 713 traverse_fini(th); 714 } 715 716 /*ARGSUSED*/ 717 static void 718 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 719 { 720 dsl_dir_phys_t *dd = data; 721 time_t crtime; 722 char nice[6]; 723 724 if (dd == NULL) 725 return; 726 727 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 728 729 crtime = dd->dd_creation_time; 730 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 731 (void) printf("\t\thead_dataset_obj = %llu\n", 732 (u_longlong_t)dd->dd_head_dataset_obj); 733 (void) printf("\t\tparent_dir_obj = %llu\n", 734 (u_longlong_t)dd->dd_parent_obj); 735 (void) printf("\t\torigin_obj = %llu\n", 736 (u_longlong_t)dd->dd_origin_obj); 737 (void) printf("\t\tchild_dir_zapobj = %llu\n", 738 (u_longlong_t)dd->dd_child_dir_zapobj); 739 nicenum(dd->dd_used_bytes, nice); 740 (void) printf("\t\tused_bytes = %s\n", nice); 741 nicenum(dd->dd_compressed_bytes, nice); 742 (void) printf("\t\tcompressed_bytes = %s\n", nice); 743 nicenum(dd->dd_uncompressed_bytes, nice); 744 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 745 nicenum(dd->dd_quota, nice); 746 (void) printf("\t\tquota = %s\n", nice); 747 nicenum(dd->dd_reserved, nice); 748 (void) printf("\t\treserved = %s\n", nice); 749 (void) printf("\t\tprops_zapobj = %llu\n", 750 (u_longlong_t)dd->dd_props_zapobj); 751 (void) printf("\t\tdeleg_zapobj = %llu\n", 752 (u_longlong_t)dd->dd_deleg_zapobj); 753 (void) printf("\t\tflags = %llx\n", 754 (u_longlong_t)dd->dd_flags); 755 756 #define DO(which) \ 757 nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 758 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 759 DO(HEAD); 760 DO(SNAP); 761 DO(CHILD); 762 DO(CHILD_RSRV); 763 DO(REFRSRV); 764 #undef DO 765 } 766 767 /*ARGSUSED*/ 768 static void 769 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 770 { 771 dsl_dataset_phys_t *ds = data; 772 time_t crtime; 773 char used[6], compressed[6], uncompressed[6], unique[6]; 774 char blkbuf[BP_SPRINTF_LEN]; 775 776 if (ds == NULL) 777 return; 778 779 ASSERT(size == sizeof (*ds)); 780 crtime = ds->ds_creation_time; 781 nicenum(ds->ds_used_bytes, used); 782 nicenum(ds->ds_compressed_bytes, compressed); 783 nicenum(ds->ds_uncompressed_bytes, uncompressed); 784 nicenum(ds->ds_unique_bytes, unique); 785 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ds->ds_bp); 786 787 (void) printf("\t\tdir_obj = %llu\n", 788 (u_longlong_t)ds->ds_dir_obj); 789 (void) printf("\t\tprev_snap_obj = %llu\n", 790 (u_longlong_t)ds->ds_prev_snap_obj); 791 (void) printf("\t\tprev_snap_txg = %llu\n", 792 (u_longlong_t)ds->ds_prev_snap_txg); 793 (void) printf("\t\tnext_snap_obj = %llu\n", 794 (u_longlong_t)ds->ds_next_snap_obj); 795 (void) printf("\t\tsnapnames_zapobj = %llu\n", 796 (u_longlong_t)ds->ds_snapnames_zapobj); 797 (void) printf("\t\tnum_children = %llu\n", 798 (u_longlong_t)ds->ds_num_children); 799 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 800 (void) printf("\t\tcreation_txg = %llu\n", 801 (u_longlong_t)ds->ds_creation_txg); 802 (void) printf("\t\tdeadlist_obj = %llu\n", 803 (u_longlong_t)ds->ds_deadlist_obj); 804 (void) printf("\t\tused_bytes = %s\n", used); 805 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 806 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 807 (void) printf("\t\tunique = %s\n", unique); 808 (void) printf("\t\tfsid_guid = %llu\n", 809 (u_longlong_t)ds->ds_fsid_guid); 810 (void) printf("\t\tguid = %llu\n", 811 (u_longlong_t)ds->ds_guid); 812 (void) printf("\t\tflags = %llx\n", 813 (u_longlong_t)ds->ds_flags); 814 (void) printf("\t\tnext_clones_obj = %llu\n", 815 (u_longlong_t)ds->ds_next_clones_obj); 816 (void) printf("\t\tprops_obj = %llu\n", 817 (u_longlong_t)ds->ds_props_obj); 818 (void) printf("\t\tbp = %s\n", blkbuf); 819 } 820 821 static void 822 dump_bplist(objset_t *mos, uint64_t object, char *name) 823 { 824 bplist_t bpl = { 0 }; 825 blkptr_t blk, *bp = &blk; 826 uint64_t itor = 0; 827 char bytes[6]; 828 char comp[6]; 829 char uncomp[6]; 830 831 if (dump_opt['d'] < 3) 832 return; 833 834 mutex_init(&bpl.bpl_lock, NULL, MUTEX_DEFAULT, NULL); 835 VERIFY(0 == bplist_open(&bpl, mos, object)); 836 if (bplist_empty(&bpl)) { 837 bplist_close(&bpl); 838 mutex_destroy(&bpl.bpl_lock); 839 return; 840 } 841 842 nicenum(bpl.bpl_phys->bpl_bytes, bytes); 843 if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) { 844 nicenum(bpl.bpl_phys->bpl_comp, comp); 845 nicenum(bpl.bpl_phys->bpl_uncomp, uncomp); 846 (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n", 847 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, 848 bytes, comp, uncomp); 849 } else { 850 (void) printf("\n %s: %llu entries, %s\n", 851 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes); 852 } 853 854 if (dump_opt['d'] < 5) { 855 bplist_close(&bpl); 856 mutex_destroy(&bpl.bpl_lock); 857 return; 858 } 859 860 (void) printf("\n"); 861 862 while (bplist_iterate(&bpl, &itor, bp) == 0) { 863 char blkbuf[BP_SPRINTF_LEN]; 864 865 ASSERT(bp->blk_birth != 0); 866 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0); 867 (void) printf("\tItem %3llu: %s\n", 868 (u_longlong_t)itor - 1, blkbuf); 869 } 870 871 bplist_close(&bpl); 872 mutex_destroy(&bpl.bpl_lock); 873 } 874 875 static avl_tree_t idx_tree; 876 static avl_tree_t domain_tree; 877 static boolean_t fuid_table_loaded; 878 879 static void 880 fuid_table_destroy() 881 { 882 if (fuid_table_loaded) { 883 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 884 fuid_table_loaded = B_FALSE; 885 } 886 } 887 888 /* 889 * print uid or gid information. 890 * For normal POSIX id just the id is printed in decimal format. 891 * For CIFS files with FUID the fuid is printed in hex followed by 892 * the doman-rid string. 893 */ 894 static void 895 print_idstr(uint64_t id, const char *id_type) 896 { 897 if (FUID_INDEX(id)) { 898 char *domain; 899 900 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 901 (void) printf("\t%s %llx [%s-%d]\n", id_type, 902 (u_longlong_t)id, domain, (int)FUID_RID(id)); 903 } else { 904 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 905 } 906 907 } 908 909 static void 910 dump_uidgid(objset_t *os, znode_phys_t *zp) 911 { 912 uint32_t uid_idx, gid_idx; 913 914 uid_idx = FUID_INDEX(zp->zp_uid); 915 gid_idx = FUID_INDEX(zp->zp_gid); 916 917 /* Load domain table, if not already loaded */ 918 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 919 uint64_t fuid_obj; 920 921 /* first find the fuid object. It lives in the master node */ 922 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 923 8, 1, &fuid_obj) == 0); 924 (void) zfs_fuid_table_load(os, fuid_obj, 925 &idx_tree, &domain_tree); 926 fuid_table_loaded = B_TRUE; 927 } 928 929 print_idstr(zp->zp_uid, "uid"); 930 print_idstr(zp->zp_gid, "gid"); 931 } 932 933 /*ARGSUSED*/ 934 static void 935 dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 936 { 937 znode_phys_t *zp = data; 938 time_t z_crtime, z_atime, z_mtime, z_ctime; 939 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 940 int error; 941 942 ASSERT(size >= sizeof (znode_phys_t)); 943 944 error = zfs_obj_to_path(os, object, path, sizeof (path)); 945 if (error != 0) { 946 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 947 (u_longlong_t)object); 948 } 949 950 if (dump_opt['d'] < 3) { 951 (void) printf("\t%s\n", path); 952 return; 953 } 954 955 z_crtime = (time_t)zp->zp_crtime[0]; 956 z_atime = (time_t)zp->zp_atime[0]; 957 z_mtime = (time_t)zp->zp_mtime[0]; 958 z_ctime = (time_t)zp->zp_ctime[0]; 959 960 (void) printf("\tpath %s\n", path); 961 dump_uidgid(os, zp); 962 (void) printf("\tatime %s", ctime(&z_atime)); 963 (void) printf("\tmtime %s", ctime(&z_mtime)); 964 (void) printf("\tctime %s", ctime(&z_ctime)); 965 (void) printf("\tcrtime %s", ctime(&z_crtime)); 966 (void) printf("\tgen %llu\n", (u_longlong_t)zp->zp_gen); 967 (void) printf("\tmode %llo\n", (u_longlong_t)zp->zp_mode); 968 (void) printf("\tsize %llu\n", (u_longlong_t)zp->zp_size); 969 (void) printf("\tparent %llu\n", (u_longlong_t)zp->zp_parent); 970 (void) printf("\tlinks %llu\n", (u_longlong_t)zp->zp_links); 971 (void) printf("\txattr %llu\n", (u_longlong_t)zp->zp_xattr); 972 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)zp->zp_rdev); 973 } 974 975 /*ARGSUSED*/ 976 static void 977 dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 978 { 979 } 980 981 /*ARGSUSED*/ 982 static void 983 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 984 { 985 } 986 987 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = { 988 dump_none, /* unallocated */ 989 dump_zap, /* object directory */ 990 dump_uint64, /* object array */ 991 dump_none, /* packed nvlist */ 992 dump_packed_nvlist, /* packed nvlist size */ 993 dump_none, /* bplist */ 994 dump_none, /* bplist header */ 995 dump_none, /* SPA space map header */ 996 dump_none, /* SPA space map */ 997 dump_none, /* ZIL intent log */ 998 dump_dnode, /* DMU dnode */ 999 dump_dmu_objset, /* DMU objset */ 1000 dump_dsl_dir, /* DSL directory */ 1001 dump_zap, /* DSL directory child map */ 1002 dump_zap, /* DSL dataset snap map */ 1003 dump_zap, /* DSL props */ 1004 dump_dsl_dataset, /* DSL dataset */ 1005 dump_znode, /* ZFS znode */ 1006 dump_acl, /* ZFS V0 ACL */ 1007 dump_uint8, /* ZFS plain file */ 1008 dump_zpldir, /* ZFS directory */ 1009 dump_zap, /* ZFS master node */ 1010 dump_zap, /* ZFS delete queue */ 1011 dump_uint8, /* zvol object */ 1012 dump_zap, /* zvol prop */ 1013 dump_uint8, /* other uint8[] */ 1014 dump_uint64, /* other uint64[] */ 1015 dump_zap, /* other ZAP */ 1016 dump_zap, /* persistent error log */ 1017 dump_uint8, /* SPA history */ 1018 dump_uint64, /* SPA history offsets */ 1019 dump_zap, /* Pool properties */ 1020 dump_zap, /* DSL permissions */ 1021 dump_acl, /* ZFS ACL */ 1022 dump_uint8, /* ZFS SYSACL */ 1023 dump_none, /* FUID nvlist */ 1024 dump_packed_nvlist, /* FUID nvlist size */ 1025 dump_zap, /* DSL dataset next clones */ 1026 dump_zap, /* DSL scrub queue */ 1027 }; 1028 1029 static void 1030 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1031 { 1032 dmu_buf_t *db = NULL; 1033 dmu_object_info_t doi; 1034 dnode_t *dn; 1035 void *bonus = NULL; 1036 size_t bsize = 0; 1037 char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], segsize[6]; 1038 char aux[50]; 1039 int error; 1040 1041 if (*print_header) { 1042 (void) printf("\n Object lvl iblk dblk lsize" 1043 " asize type\n"); 1044 *print_header = 0; 1045 } 1046 1047 if (object == 0) { 1048 dn = os->os->os_meta_dnode; 1049 } else { 1050 error = dmu_bonus_hold(os, object, FTAG, &db); 1051 if (error) 1052 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1053 object, error); 1054 bonus = db->db_data; 1055 bsize = db->db_size; 1056 dn = ((dmu_buf_impl_t *)db)->db_dnode; 1057 } 1058 dmu_object_info_from_dnode(dn, &doi); 1059 1060 nicenum(doi.doi_metadata_block_size, iblk); 1061 nicenum(doi.doi_data_block_size, dblk); 1062 nicenum(doi.doi_data_block_size * (doi.doi_max_block_offset + 1), 1063 lsize); 1064 nicenum(doi.doi_physical_blks << 9, asize); 1065 nicenum(doi.doi_bonus_size, bonus_size); 1066 1067 aux[0] = '\0'; 1068 1069 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1070 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1071 zio_checksum_table[doi.doi_checksum].ci_name); 1072 } 1073 1074 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1075 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1076 zio_compress_table[doi.doi_compress].ci_name); 1077 } 1078 1079 (void) printf("%10lld %3u %5s %5s %5s %5s %s%s\n", 1080 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, lsize, 1081 asize, dmu_ot[doi.doi_type].ot_name, aux); 1082 1083 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1084 (void) printf("%10s %3s %5s %5s %5s %5s %s\n", 1085 "", "", "", "", bonus_size, "bonus", 1086 dmu_ot[doi.doi_bonus_type].ot_name); 1087 } 1088 1089 if (verbosity >= 4) { 1090 object_viewer[doi.doi_bonus_type](os, object, bonus, bsize); 1091 object_viewer[doi.doi_type](os, object, NULL, 0); 1092 *print_header = 1; 1093 } 1094 1095 if (verbosity >= 5) 1096 dump_indirect(os, object, NULL, 0); 1097 1098 if (verbosity >= 5) { 1099 /* 1100 * Report the list of segments that comprise the object. 1101 */ 1102 uint64_t start = 0; 1103 uint64_t end; 1104 uint64_t blkfill = 1; 1105 int minlvl = 1; 1106 1107 if (dn->dn_type == DMU_OT_DNODE) { 1108 minlvl = 0; 1109 blkfill = DNODES_PER_BLOCK; 1110 } 1111 1112 for (;;) { 1113 error = dnode_next_offset(dn, 1114 0, &start, minlvl, blkfill, 0); 1115 if (error) 1116 break; 1117 end = start; 1118 error = dnode_next_offset(dn, 1119 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1120 nicenum(end - start, segsize); 1121 (void) printf("\t\tsegment [%016llx, %016llx)" 1122 " size %5s\n", (u_longlong_t)start, 1123 (u_longlong_t)end, segsize); 1124 if (error) 1125 break; 1126 start = end; 1127 } 1128 } 1129 1130 if (db != NULL) 1131 dmu_buf_rele(db, FTAG); 1132 } 1133 1134 static char *objset_types[DMU_OST_NUMTYPES] = { 1135 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1136 1137 static void 1138 dump_dir(objset_t *os) 1139 { 1140 dmu_objset_stats_t dds; 1141 uint64_t object, object_count; 1142 uint64_t refdbytes, usedobjs, scratch; 1143 char numbuf[8]; 1144 char blkbuf[BP_SPRINTF_LEN]; 1145 char osname[MAXNAMELEN]; 1146 char *type = "UNKNOWN"; 1147 int verbosity = dump_opt['d']; 1148 int print_header = 1; 1149 int i, error; 1150 1151 dmu_objset_fast_stat(os, &dds); 1152 1153 if (dds.dds_type < DMU_OST_NUMTYPES) 1154 type = objset_types[dds.dds_type]; 1155 1156 if (dds.dds_type == DMU_OST_META) { 1157 dds.dds_creation_txg = TXG_INITIAL; 1158 usedobjs = os->os->os_rootbp->blk_fill; 1159 refdbytes = os->os->os_spa->spa_dsl_pool-> 1160 dp_mos_dir->dd_phys->dd_used_bytes; 1161 } else { 1162 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1163 } 1164 1165 ASSERT3U(usedobjs, ==, os->os->os_rootbp->blk_fill); 1166 1167 nicenum(refdbytes, numbuf); 1168 1169 if (verbosity >= 4) { 1170 (void) strcpy(blkbuf, ", rootbp "); 1171 sprintf_blkptr(blkbuf + strlen(blkbuf), 1172 BP_SPRINTF_LEN - strlen(blkbuf), os->os->os_rootbp); 1173 } else { 1174 blkbuf[0] = '\0'; 1175 } 1176 1177 dmu_objset_name(os, osname); 1178 1179 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1180 "%s, %llu objects%s\n", 1181 osname, type, (u_longlong_t)dmu_objset_id(os), 1182 (u_longlong_t)dds.dds_creation_txg, 1183 numbuf, (u_longlong_t)usedobjs, blkbuf); 1184 1185 dump_intent_log(dmu_objset_zil(os)); 1186 1187 if (dmu_objset_ds(os) != NULL) 1188 dump_bplist(dmu_objset_pool(os)->dp_meta_objset, 1189 dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist"); 1190 1191 if (verbosity < 2) 1192 return; 1193 1194 if (os->os->os_rootbp->blk_birth == 0) 1195 return; 1196 1197 if (zopt_objects != 0) { 1198 for (i = 0; i < zopt_objects; i++) 1199 dump_object(os, zopt_object[i], verbosity, 1200 &print_header); 1201 (void) printf("\n"); 1202 return; 1203 } 1204 1205 dump_object(os, 0, verbosity, &print_header); 1206 object_count = 1; 1207 1208 object = 0; 1209 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1210 dump_object(os, object, verbosity, &print_header); 1211 object_count++; 1212 } 1213 1214 ASSERT3U(object_count, ==, usedobjs); 1215 1216 (void) printf("\n"); 1217 1218 if (error != ESRCH) 1219 fatal("dmu_object_next() = %d", error); 1220 } 1221 1222 static void 1223 dump_uberblock(uberblock_t *ub) 1224 { 1225 time_t timestamp = ub->ub_timestamp; 1226 1227 (void) printf("Uberblock\n\n"); 1228 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1229 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1230 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1231 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1232 (void) printf("\ttimestamp = %llu UTC = %s", 1233 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1234 if (dump_opt['u'] >= 3) { 1235 char blkbuf[BP_SPRINTF_LEN]; 1236 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ub->ub_rootbp); 1237 (void) printf("\trootbp = %s\n", blkbuf); 1238 } 1239 (void) printf("\n"); 1240 } 1241 1242 static void 1243 dump_config(const char *pool) 1244 { 1245 spa_t *spa = NULL; 1246 1247 mutex_enter(&spa_namespace_lock); 1248 while ((spa = spa_next(spa)) != NULL) { 1249 if (pool == NULL) 1250 (void) printf("%s\n", spa_name(spa)); 1251 if (pool == NULL || strcmp(pool, spa_name(spa)) == 0) 1252 dump_nvlist(spa->spa_config, 4); 1253 } 1254 mutex_exit(&spa_namespace_lock); 1255 } 1256 1257 static void 1258 dump_cachefile(const char *cachefile) 1259 { 1260 int fd; 1261 struct stat64 statbuf; 1262 char *buf; 1263 nvlist_t *config; 1264 1265 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1266 (void) printf("cannot open '%s': %s\n", cachefile, 1267 strerror(errno)); 1268 exit(1); 1269 } 1270 1271 if (fstat64(fd, &statbuf) != 0) { 1272 (void) printf("failed to stat '%s': %s\n", cachefile, 1273 strerror(errno)); 1274 exit(1); 1275 } 1276 1277 if ((buf = malloc(statbuf.st_size)) == NULL) { 1278 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1279 (u_longlong_t)statbuf.st_size); 1280 exit(1); 1281 } 1282 1283 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1284 (void) fprintf(stderr, "failed to read %llu bytes\n", 1285 (u_longlong_t)statbuf.st_size); 1286 exit(1); 1287 } 1288 1289 (void) close(fd); 1290 1291 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1292 (void) fprintf(stderr, "failed to unpack nvlist\n"); 1293 exit(1); 1294 } 1295 1296 free(buf); 1297 1298 dump_nvlist(config, 0); 1299 1300 nvlist_free(config); 1301 } 1302 1303 static void 1304 dump_label(const char *dev) 1305 { 1306 int fd; 1307 vdev_label_t label; 1308 char *buf = label.vl_vdev_phys.vp_nvlist; 1309 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1310 struct stat64 statbuf; 1311 uint64_t psize; 1312 int l; 1313 1314 if ((fd = open64(dev, O_RDONLY)) < 0) { 1315 (void) printf("cannot open '%s': %s\n", dev, strerror(errno)); 1316 exit(1); 1317 } 1318 1319 if (fstat64(fd, &statbuf) != 0) { 1320 (void) printf("failed to stat '%s': %s\n", dev, 1321 strerror(errno)); 1322 exit(1); 1323 } 1324 1325 psize = statbuf.st_size; 1326 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1327 1328 for (l = 0; l < VDEV_LABELS; l++) { 1329 1330 nvlist_t *config = NULL; 1331 1332 (void) printf("--------------------------------------------\n"); 1333 (void) printf("LABEL %d\n", l); 1334 (void) printf("--------------------------------------------\n"); 1335 1336 if (pread64(fd, &label, sizeof (label), 1337 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1338 (void) printf("failed to read label %d\n", l); 1339 continue; 1340 } 1341 1342 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1343 (void) printf("failed to unpack label %d\n", l); 1344 continue; 1345 } 1346 dump_nvlist(config, 4); 1347 nvlist_free(config); 1348 } 1349 } 1350 1351 /*ARGSUSED*/ 1352 static int 1353 dump_one_dir(char *dsname, void *arg) 1354 { 1355 int error; 1356 objset_t *os; 1357 1358 error = dmu_objset_open(dsname, DMU_OST_ANY, 1359 DS_MODE_USER | DS_MODE_READONLY, &os); 1360 if (error) { 1361 (void) printf("Could not open %s\n", dsname); 1362 return (0); 1363 } 1364 dump_dir(os); 1365 dmu_objset_close(os); 1366 fuid_table_destroy(); 1367 return (0); 1368 } 1369 1370 static void 1371 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 1372 { 1373 vdev_t *vd = sm->sm_ppd; 1374 1375 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 1376 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 1377 } 1378 1379 /* ARGSUSED */ 1380 static void 1381 zdb_space_map_load(space_map_t *sm) 1382 { 1383 } 1384 1385 static void 1386 zdb_space_map_unload(space_map_t *sm) 1387 { 1388 space_map_vacate(sm, zdb_leak, sm); 1389 } 1390 1391 /* ARGSUSED */ 1392 static void 1393 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 1394 { 1395 } 1396 1397 static space_map_ops_t zdb_space_map_ops = { 1398 zdb_space_map_load, 1399 zdb_space_map_unload, 1400 NULL, /* alloc */ 1401 zdb_space_map_claim, 1402 NULL /* free */ 1403 }; 1404 1405 static void 1406 zdb_leak_init(spa_t *spa) 1407 { 1408 vdev_t *rvd = spa->spa_root_vdev; 1409 1410 for (int c = 0; c < rvd->vdev_children; c++) { 1411 vdev_t *vd = rvd->vdev_child[c]; 1412 for (int m = 0; m < vd->vdev_ms_count; m++) { 1413 metaslab_t *msp = vd->vdev_ms[m]; 1414 mutex_enter(&msp->ms_lock); 1415 VERIFY(space_map_load(&msp->ms_map, &zdb_space_map_ops, 1416 SM_ALLOC, &msp->ms_smo, spa->spa_meta_objset) == 0); 1417 msp->ms_map.sm_ppd = vd; 1418 mutex_exit(&msp->ms_lock); 1419 } 1420 } 1421 } 1422 1423 static void 1424 zdb_leak_fini(spa_t *spa) 1425 { 1426 vdev_t *rvd = spa->spa_root_vdev; 1427 1428 for (int c = 0; c < rvd->vdev_children; c++) { 1429 vdev_t *vd = rvd->vdev_child[c]; 1430 for (int m = 0; m < vd->vdev_ms_count; m++) { 1431 metaslab_t *msp = vd->vdev_ms[m]; 1432 mutex_enter(&msp->ms_lock); 1433 space_map_unload(&msp->ms_map); 1434 mutex_exit(&msp->ms_lock); 1435 } 1436 } 1437 } 1438 1439 /* 1440 * Verify that the sum of the sizes of all blocks in the pool adds up 1441 * to the SPA's sa_alloc total. 1442 */ 1443 typedef struct zdb_blkstats { 1444 uint64_t zb_asize; 1445 uint64_t zb_lsize; 1446 uint64_t zb_psize; 1447 uint64_t zb_count; 1448 } zdb_blkstats_t; 1449 1450 #define DMU_OT_DEFERRED DMU_OT_NONE 1451 #define DMU_OT_TOTAL DMU_OT_NUMTYPES 1452 1453 #define ZB_TOTAL ZB_MAXLEVEL 1454 1455 typedef struct zdb_cb { 1456 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][DMU_OT_TOTAL + 1]; 1457 uint64_t zcb_errors[256]; 1458 traverse_blk_cache_t *zcb_cache; 1459 int zcb_readfails; 1460 int zcb_haderrors; 1461 } zdb_cb_t; 1462 1463 static void 1464 zdb_count_block(spa_t *spa, zdb_cb_t *zcb, blkptr_t *bp, int type) 1465 { 1466 for (int i = 0; i < 4; i++) { 1467 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 1468 int t = (i & 1) ? type : DMU_OT_TOTAL; 1469 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 1470 1471 zb->zb_asize += BP_GET_ASIZE(bp); 1472 zb->zb_lsize += BP_GET_LSIZE(bp); 1473 zb->zb_psize += BP_GET_PSIZE(bp); 1474 zb->zb_count++; 1475 } 1476 1477 if (dump_opt['S']) { 1478 boolean_t print_sig; 1479 1480 print_sig = !zdb_sig_user_data || (BP_GET_LEVEL(bp) == 0 && 1481 BP_GET_TYPE(bp) == DMU_OT_PLAIN_FILE_CONTENTS); 1482 1483 if (BP_GET_CHECKSUM(bp) < zdb_sig_cksumalg) 1484 print_sig = B_FALSE; 1485 1486 if (print_sig) { 1487 (void) printf("%llu\t%lld\t%lld\t%s\t%s\t%s\t" 1488 "%llx:%llx:%llx:%llx\n", 1489 (u_longlong_t)BP_GET_LEVEL(bp), 1490 (longlong_t)BP_GET_PSIZE(bp), 1491 (longlong_t)BP_GET_NDVAS(bp), 1492 dmu_ot[BP_GET_TYPE(bp)].ot_name, 1493 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name, 1494 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name, 1495 (u_longlong_t)bp->blk_cksum.zc_word[0], 1496 (u_longlong_t)bp->blk_cksum.zc_word[1], 1497 (u_longlong_t)bp->blk_cksum.zc_word[2], 1498 (u_longlong_t)bp->blk_cksum.zc_word[3]); 1499 } 1500 } 1501 1502 if (!dump_opt['L']) 1503 VERIFY(zio_wait(zio_claim(NULL, spa, spa_first_txg(spa), bp, 1504 NULL, NULL, ZIO_FLAG_MUSTSUCCEED)) == 0); 1505 } 1506 1507 static int 1508 zdb_blkptr_cb(traverse_blk_cache_t *bc, spa_t *spa, void *arg) 1509 { 1510 zbookmark_t *zb = &bc->bc_bookmark; 1511 zdb_cb_t *zcb = arg; 1512 blkptr_t *bp = &bc->bc_blkptr; 1513 dmu_object_type_t type = BP_GET_TYPE(bp); 1514 char blkbuf[BP_SPRINTF_LEN]; 1515 int error = 0; 1516 1517 ASSERT(!BP_IS_HOLE(bp)); 1518 1519 zdb_count_block(spa, zcb, bp, type); 1520 1521 if (bc->bc_errno) { 1522 if (zcb->zcb_readfails++ < 10 && dump_opt['L']) { 1523 uberblock_t ub; 1524 vdev_uberblock_load(NULL, spa->spa_root_vdev, &ub); 1525 if (ub.ub_txg != 0) 1526 spa->spa_ubsync = ub; 1527 error = EAGAIN; 1528 } else { 1529 zcb->zcb_haderrors = 1; 1530 zcb->zcb_errors[bc->bc_errno]++; 1531 error = ERESTART; 1532 } 1533 1534 if (dump_opt['b'] >= 3 || (dump_opt['b'] >= 2 && bc->bc_errno)) 1535 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 1536 else 1537 blkbuf[0] = '\0'; 1538 1539 if (!dump_opt['S']) { 1540 (void) printf("zdb_blkptr_cb: Got error %d reading " 1541 "<%llu, %llu, %lld, %llx> %s -- %s\n", 1542 bc->bc_errno, 1543 (u_longlong_t)zb->zb_objset, 1544 (u_longlong_t)zb->zb_object, 1545 (u_longlong_t)zb->zb_level, 1546 (u_longlong_t)zb->zb_blkid, 1547 blkbuf, 1548 error == EAGAIN ? "retrying" : "skipping"); 1549 } 1550 1551 return (error); 1552 } 1553 1554 zcb->zcb_readfails = 0; 1555 1556 if (dump_opt['b'] >= 4) { 1557 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 1558 (void) printf("objset %llu object %llu offset 0x%llx %s\n", 1559 (u_longlong_t)zb->zb_objset, 1560 (u_longlong_t)zb->zb_object, 1561 (u_longlong_t)blkid2offset(bc->bc_dnode, 1562 zb->zb_level, zb->zb_blkid), blkbuf); 1563 } 1564 1565 return (0); 1566 } 1567 1568 static int 1569 dump_block_stats(spa_t *spa) 1570 { 1571 traverse_handle_t *th; 1572 zdb_cb_t zcb = { 0 }; 1573 traverse_blk_cache_t dummy_cache = { 0 }; 1574 zdb_blkstats_t *zb, *tzb; 1575 uint64_t alloc, space, logalloc; 1576 vdev_t *rvd = spa->spa_root_vdev; 1577 int leaks = 0; 1578 int advance = zdb_advance; 1579 int c, e, flags; 1580 1581 zcb.zcb_cache = &dummy_cache; 1582 1583 if (dump_opt['c'] || dump_opt['S']) 1584 advance |= ADVANCE_DATA; 1585 1586 advance |= ADVANCE_PRUNE | ADVANCE_ZIL; 1587 1588 if (!dump_opt['S']) { 1589 (void) printf("\nTraversing all blocks to %sverify" 1590 " nothing leaked ...\n", 1591 dump_opt['c'] ? "verify checksums and " : ""); 1592 } 1593 1594 /* 1595 * Load all space maps as SM_ALLOC maps, then traverse the pool 1596 * claiming each block we discover. If the pool is perfectly 1597 * consistent, the space maps will be empty when we're done. 1598 * Anything left over is a leak; any block we can't claim (because 1599 * it's not part of any space map) is a double allocation, 1600 * reference to a freed block, or an unclaimed log block. 1601 */ 1602 if (!dump_opt['L']) 1603 zdb_leak_init(spa); 1604 1605 /* 1606 * If there's a deferred-free bplist, process that first. 1607 */ 1608 if (spa->spa_sync_bplist_obj != 0) { 1609 bplist_t *bpl = &spa->spa_sync_bplist; 1610 blkptr_t blk; 1611 uint64_t itor = 0; 1612 1613 VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset, 1614 spa->spa_sync_bplist_obj)); 1615 1616 while (bplist_iterate(bpl, &itor, &blk) == 0) { 1617 if (dump_opt['b'] >= 4) { 1618 char blkbuf[BP_SPRINTF_LEN]; 1619 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &blk); 1620 (void) printf("[%s] %s\n", 1621 "deferred free", blkbuf); 1622 } 1623 zdb_count_block(spa, &zcb, &blk, DMU_OT_DEFERRED); 1624 } 1625 1626 bplist_close(bpl); 1627 } 1628 1629 /* 1630 * Now traverse the pool. If we're reading all data to verify 1631 * checksums, do a scrubbing read so that we validate all copies. 1632 */ 1633 flags = ZIO_FLAG_CANFAIL; 1634 if (advance & ADVANCE_DATA) 1635 flags |= ZIO_FLAG_SCRUB; 1636 th = traverse_init(spa, zdb_blkptr_cb, &zcb, advance, flags); 1637 th->th_noread = zdb_noread; 1638 1639 traverse_add_pool(th, 0, spa_first_txg(spa) + TXG_CONCURRENT_STATES); 1640 1641 while (traverse_more(th) == EAGAIN) 1642 continue; 1643 1644 traverse_fini(th); 1645 1646 if (zcb.zcb_haderrors && !dump_opt['S']) { 1647 (void) printf("\nError counts:\n\n"); 1648 (void) printf("\t%5s %s\n", "errno", "count"); 1649 for (e = 0; e < 256; e++) { 1650 if (zcb.zcb_errors[e] != 0) { 1651 (void) printf("\t%5d %llu\n", 1652 e, (u_longlong_t)zcb.zcb_errors[e]); 1653 } 1654 } 1655 } 1656 1657 /* 1658 * Report any leaked segments. 1659 */ 1660 if (!dump_opt['L']) 1661 zdb_leak_fini(spa); 1662 1663 /* 1664 * If we're interested in printing out the blkptr signatures, 1665 * return now as we don't print out anything else (including 1666 * errors and leaks). 1667 */ 1668 if (dump_opt['S']) 1669 return (zcb.zcb_haderrors ? 3 : 0); 1670 1671 if (dump_opt['L']) 1672 (void) printf("\n\n *** Live pool traversal; " 1673 "block counts are only approximate ***\n\n"); 1674 1675 alloc = spa_get_alloc(spa); 1676 space = spa_get_space(spa); 1677 1678 /* 1679 * Log blocks allocated from a separate log device don't count 1680 * as part of the normal pool space; factor them in here. 1681 */ 1682 logalloc = 0; 1683 1684 for (c = 0; c < rvd->vdev_children; c++) 1685 if (rvd->vdev_child[c]->vdev_islog) 1686 logalloc += rvd->vdev_child[c]->vdev_stat.vs_alloc; 1687 1688 tzb = &zcb.zcb_type[ZB_TOTAL][DMU_OT_TOTAL]; 1689 1690 if (tzb->zb_asize == alloc + logalloc) { 1691 (void) printf("\n\tNo leaks (block sum matches space" 1692 " maps exactly)\n"); 1693 } else { 1694 (void) printf("block traversal size %llu != alloc %llu " 1695 "(leaked %lld)\n", 1696 (u_longlong_t)tzb->zb_asize, 1697 (u_longlong_t)alloc + logalloc, 1698 (u_longlong_t)(alloc + logalloc - tzb->zb_asize)); 1699 leaks = 1; 1700 } 1701 1702 if (tzb->zb_count == 0) 1703 return (2); 1704 1705 (void) printf("\n"); 1706 (void) printf("\tbp count: %10llu\n", 1707 (u_longlong_t)tzb->zb_count); 1708 (void) printf("\tbp logical: %10llu\t avg: %6llu\n", 1709 (u_longlong_t)tzb->zb_lsize, 1710 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 1711 (void) printf("\tbp physical: %10llu\t avg:" 1712 " %6llu\tcompression: %6.2f\n", 1713 (u_longlong_t)tzb->zb_psize, 1714 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 1715 (double)tzb->zb_lsize / tzb->zb_psize); 1716 (void) printf("\tbp allocated: %10llu\t avg:" 1717 " %6llu\tcompression: %6.2f\n", 1718 (u_longlong_t)tzb->zb_asize, 1719 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 1720 (double)tzb->zb_lsize / tzb->zb_asize); 1721 (void) printf("\tSPA allocated: %10llu\tused: %5.2f%%\n", 1722 (u_longlong_t)alloc, 100.0 * alloc / space); 1723 1724 if (dump_opt['b'] >= 2) { 1725 int l, t, level; 1726 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 1727 "\t avg\t comp\t%%Total\tType\n"); 1728 1729 for (t = 0; t <= DMU_OT_NUMTYPES; t++) { 1730 char csize[6], lsize[6], psize[6], asize[6], avg[6]; 1731 char *typename; 1732 1733 typename = t == DMU_OT_DEFERRED ? "deferred free" : 1734 t == DMU_OT_TOTAL ? "Total" : dmu_ot[t].ot_name; 1735 1736 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 1737 (void) printf("%6s\t%5s\t%5s\t%5s" 1738 "\t%5s\t%5s\t%6s\t%s\n", 1739 "-", 1740 "-", 1741 "-", 1742 "-", 1743 "-", 1744 "-", 1745 "-", 1746 typename); 1747 continue; 1748 } 1749 1750 for (l = ZB_TOTAL - 1; l >= -1; l--) { 1751 level = (l == -1 ? ZB_TOTAL : l); 1752 zb = &zcb.zcb_type[level][t]; 1753 1754 if (zb->zb_asize == 0) 1755 continue; 1756 1757 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 1758 continue; 1759 1760 if (level == 0 && zb->zb_asize == 1761 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 1762 continue; 1763 1764 nicenum(zb->zb_count, csize); 1765 nicenum(zb->zb_lsize, lsize); 1766 nicenum(zb->zb_psize, psize); 1767 nicenum(zb->zb_asize, asize); 1768 nicenum(zb->zb_asize / zb->zb_count, avg); 1769 1770 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 1771 "\t%5.2f\t%6.2f\t", 1772 csize, lsize, psize, asize, avg, 1773 (double)zb->zb_lsize / zb->zb_psize, 1774 100.0 * zb->zb_asize / tzb->zb_asize); 1775 1776 if (level == ZB_TOTAL) 1777 (void) printf("%s\n", typename); 1778 else 1779 (void) printf(" L%d %s\n", 1780 level, typename); 1781 } 1782 } 1783 } 1784 1785 (void) printf("\n"); 1786 1787 if (leaks) 1788 return (2); 1789 1790 if (zcb.zcb_haderrors) 1791 return (3); 1792 1793 return (0); 1794 } 1795 1796 static void 1797 dump_zpool(spa_t *spa) 1798 { 1799 dsl_pool_t *dp = spa_get_dsl(spa); 1800 int rc = 0; 1801 1802 if (dump_opt['u']) 1803 dump_uberblock(&spa->spa_uberblock); 1804 1805 if (dump_opt['d'] || dump_opt['i']) { 1806 dump_dir(dp->dp_meta_objset); 1807 if (dump_opt['d'] >= 3) { 1808 dump_bplist(dp->dp_meta_objset, 1809 spa->spa_sync_bplist_obj, "Deferred frees"); 1810 dump_dtl(spa->spa_root_vdev, 0); 1811 dump_metaslabs(spa); 1812 } 1813 (void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL, 1814 DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 1815 } 1816 1817 if (dump_opt['b'] || dump_opt['c'] || dump_opt['S']) 1818 rc = dump_block_stats(spa); 1819 1820 if (dump_opt['s']) 1821 show_pool_stats(spa); 1822 1823 if (rc != 0) 1824 exit(rc); 1825 } 1826 1827 #define ZDB_FLAG_CHECKSUM 0x0001 1828 #define ZDB_FLAG_DECOMPRESS 0x0002 1829 #define ZDB_FLAG_BSWAP 0x0004 1830 #define ZDB_FLAG_GBH 0x0008 1831 #define ZDB_FLAG_INDIRECT 0x0010 1832 #define ZDB_FLAG_PHYS 0x0020 1833 #define ZDB_FLAG_RAW 0x0040 1834 #define ZDB_FLAG_PRINT_BLKPTR 0x0080 1835 1836 int flagbits[256]; 1837 1838 static void 1839 zdb_print_blkptr(blkptr_t *bp, int flags) 1840 { 1841 dva_t *dva = bp->blk_dva; 1842 int d; 1843 1844 if (flags & ZDB_FLAG_BSWAP) 1845 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 1846 /* 1847 * Super-ick warning: This code is also duplicated in 1848 * cmd/mdb/common/modules/zfs/zfs.c . Yeah, I hate code 1849 * replication, too. 1850 */ 1851 for (d = 0; d < BP_GET_NDVAS(bp); d++) { 1852 (void) printf("\tDVA[%d]: vdev_id %lld / %llx\n", d, 1853 (longlong_t)DVA_GET_VDEV(&dva[d]), 1854 (longlong_t)DVA_GET_OFFSET(&dva[d])); 1855 (void) printf("\tDVA[%d]: GANG: %-5s GRID: %04llx\t" 1856 "ASIZE: %llx\n", d, 1857 DVA_GET_GANG(&dva[d]) ? "TRUE" : "FALSE", 1858 (longlong_t)DVA_GET_GRID(&dva[d]), 1859 (longlong_t)DVA_GET_ASIZE(&dva[d])); 1860 (void) printf("\tDVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", d, 1861 (u_longlong_t)DVA_GET_VDEV(&dva[d]), 1862 (longlong_t)DVA_GET_OFFSET(&dva[d]), 1863 (longlong_t)BP_GET_PSIZE(bp), 1864 BP_SHOULD_BYTESWAP(bp) ? "e" : "", 1865 !DVA_GET_GANG(&dva[d]) && BP_GET_LEVEL(bp) != 0 ? 1866 "d" : "", 1867 DVA_GET_GANG(&dva[d]) ? "g" : "", 1868 BP_GET_COMPRESS(bp) != 0 ? "d" : ""); 1869 } 1870 (void) printf("\tLSIZE: %-16llx\t\tPSIZE: %llx\n", 1871 (longlong_t)BP_GET_LSIZE(bp), (longlong_t)BP_GET_PSIZE(bp)); 1872 (void) printf("\tENDIAN: %6s\t\t\t\t\tTYPE: %s\n", 1873 BP_GET_BYTEORDER(bp) ? "LITTLE" : "BIG", 1874 dmu_ot[BP_GET_TYPE(bp)].ot_name); 1875 (void) printf("\tBIRTH: %-16llx LEVEL: %-2llu\tFILL: %llx\n", 1876 (u_longlong_t)bp->blk_birth, (u_longlong_t)BP_GET_LEVEL(bp), 1877 (u_longlong_t)bp->blk_fill); 1878 (void) printf("\tCKFUNC: %-16s\t\tCOMP: %s\n", 1879 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name, 1880 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name); 1881 (void) printf("\tCKSUM: %llx:%llx:%llx:%llx\n", 1882 (u_longlong_t)bp->blk_cksum.zc_word[0], 1883 (u_longlong_t)bp->blk_cksum.zc_word[1], 1884 (u_longlong_t)bp->blk_cksum.zc_word[2], 1885 (u_longlong_t)bp->blk_cksum.zc_word[3]); 1886 } 1887 1888 static void 1889 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 1890 { 1891 int i; 1892 1893 for (i = 0; i < nbps; i++) 1894 zdb_print_blkptr(&bp[i], flags); 1895 } 1896 1897 static void 1898 zdb_dump_gbh(void *buf, int flags) 1899 { 1900 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 1901 } 1902 1903 static void 1904 zdb_dump_block_raw(void *buf, uint64_t size, int flags) 1905 { 1906 if (flags & ZDB_FLAG_BSWAP) 1907 byteswap_uint64_array(buf, size); 1908 (void) write(2, buf, size); 1909 } 1910 1911 static void 1912 zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 1913 { 1914 uint64_t *d = (uint64_t *)buf; 1915 int nwords = size / sizeof (uint64_t); 1916 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 1917 int i, j; 1918 char *hdr, *c; 1919 1920 1921 if (do_bswap) 1922 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 1923 else 1924 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 1925 1926 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 1927 1928 for (i = 0; i < nwords; i += 2) { 1929 (void) printf("%06llx: %016llx %016llx ", 1930 (u_longlong_t)(i * sizeof (uint64_t)), 1931 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 1932 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 1933 1934 c = (char *)&d[i]; 1935 for (j = 0; j < 2 * sizeof (uint64_t); j++) 1936 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 1937 (void) printf("\n"); 1938 } 1939 } 1940 1941 /* 1942 * There are two acceptable formats: 1943 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 1944 * child[.child]* - For example: 0.1.1 1945 * 1946 * The second form can be used to specify arbitrary vdevs anywhere 1947 * in the heirarchy. For example, in a pool with a mirror of 1948 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 1949 */ 1950 static vdev_t * 1951 zdb_vdev_lookup(vdev_t *vdev, char *path) 1952 { 1953 char *s, *p, *q; 1954 int i; 1955 1956 if (vdev == NULL) 1957 return (NULL); 1958 1959 /* First, assume the x.x.x.x format */ 1960 i = (int)strtoul(path, &s, 10); 1961 if (s == path || (s && *s != '.' && *s != '\0')) 1962 goto name; 1963 if (i < 0 || i >= vdev->vdev_children) 1964 return (NULL); 1965 1966 vdev = vdev->vdev_child[i]; 1967 if (*s == '\0') 1968 return (vdev); 1969 return (zdb_vdev_lookup(vdev, s+1)); 1970 1971 name: 1972 for (i = 0; i < vdev->vdev_children; i++) { 1973 vdev_t *vc = vdev->vdev_child[i]; 1974 1975 if (vc->vdev_path == NULL) { 1976 vc = zdb_vdev_lookup(vc, path); 1977 if (vc == NULL) 1978 continue; 1979 else 1980 return (vc); 1981 } 1982 1983 p = strrchr(vc->vdev_path, '/'); 1984 p = p ? p + 1 : vc->vdev_path; 1985 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 1986 1987 if (strcmp(vc->vdev_path, path) == 0) 1988 return (vc); 1989 if (strcmp(p, path) == 0) 1990 return (vc); 1991 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 1992 return (vc); 1993 } 1994 1995 return (NULL); 1996 } 1997 1998 /* 1999 * Read a block from a pool and print it out. The syntax of the 2000 * block descriptor is: 2001 * 2002 * pool:vdev_specifier:offset:size[:flags] 2003 * 2004 * pool - The name of the pool you wish to read from 2005 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 2006 * offset - offset, in hex, in bytes 2007 * size - Amount of data to read, in hex, in bytes 2008 * flags - A string of characters specifying options 2009 * b: Decode a blkptr at given offset within block 2010 * *c: Calculate and display checksums 2011 * *d: Decompress data before dumping 2012 * e: Byteswap data before dumping 2013 * *g: Display data as a gang block header 2014 * *i: Display as an indirect block 2015 * p: Do I/O to physical offset 2016 * r: Dump raw data to stdout 2017 * 2018 * * = not yet implemented 2019 */ 2020 static void 2021 zdb_read_block(char *thing, spa_t **spap) 2022 { 2023 spa_t *spa = *spap; 2024 int flags = 0; 2025 uint64_t offset = 0, size = 0, blkptr_offset = 0; 2026 zio_t *zio; 2027 vdev_t *vd; 2028 void *buf; 2029 char *s, *p, *dup, *pool, *vdev, *flagstr; 2030 int i, error, zio_flags; 2031 2032 dup = strdup(thing); 2033 s = strtok(dup, ":"); 2034 pool = s ? s : ""; 2035 s = strtok(NULL, ":"); 2036 vdev = s ? s : ""; 2037 s = strtok(NULL, ":"); 2038 offset = strtoull(s ? s : "", NULL, 16); 2039 s = strtok(NULL, ":"); 2040 size = strtoull(s ? s : "", NULL, 16); 2041 s = strtok(NULL, ":"); 2042 flagstr = s ? s : ""; 2043 2044 s = NULL; 2045 if (size == 0) 2046 s = "size must not be zero"; 2047 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 2048 s = "size must be a multiple of sector size"; 2049 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 2050 s = "offset must be a multiple of sector size"; 2051 if (s) { 2052 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 2053 free(dup); 2054 return; 2055 } 2056 2057 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 2058 for (i = 0; flagstr[i]; i++) { 2059 int bit = flagbits[(uchar_t)flagstr[i]]; 2060 2061 if (bit == 0) { 2062 (void) printf("***Invalid flag: %c\n", 2063 flagstr[i]); 2064 continue; 2065 } 2066 flags |= bit; 2067 2068 /* If it's not something with an argument, keep going */ 2069 if ((bit & (ZDB_FLAG_CHECKSUM | ZDB_FLAG_DECOMPRESS | 2070 ZDB_FLAG_PRINT_BLKPTR)) == 0) 2071 continue; 2072 2073 p = &flagstr[i + 1]; 2074 if (bit == ZDB_FLAG_PRINT_BLKPTR) 2075 blkptr_offset = strtoull(p, &p, 16); 2076 if (*p != ':' && *p != '\0') { 2077 (void) printf("***Invalid flag arg: '%s'\n", s); 2078 free(dup); 2079 return; 2080 } 2081 } 2082 } 2083 2084 if (spa == NULL || strcmp(spa_name(spa), pool) != 0) { 2085 if (spa) 2086 spa_close(spa, (void *)zdb_read_block); 2087 error = spa_open(pool, spap, (void *)zdb_read_block); 2088 if (error) 2089 fatal("Failed to open pool '%s': %s", 2090 pool, strerror(error)); 2091 spa = *spap; 2092 } 2093 2094 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 2095 if (vd == NULL) { 2096 (void) printf("***Invalid vdev: %s\n", vdev); 2097 free(dup); 2098 return; 2099 } else { 2100 if (vd->vdev_path) 2101 (void) printf("Found vdev: %s\n", vd->vdev_path); 2102 else 2103 (void) printf("Found vdev type: %s\n", 2104 vd->vdev_ops->vdev_op_type); 2105 } 2106 2107 buf = umem_alloc(size, UMEM_NOFAIL); 2108 2109 zio_flags = ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2110 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY; 2111 2112 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2113 zio = zio_root(spa, NULL, NULL, 0); 2114 /* XXX todo - cons up a BP so RAID-Z will be happy */ 2115 zio_nowait(zio_vdev_child_io(zio, NULL, vd, offset, buf, size, 2116 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, zio_flags, NULL, NULL)); 2117 error = zio_wait(zio); 2118 spa_config_exit(spa, SCL_STATE, FTAG); 2119 2120 if (error) { 2121 (void) printf("Read of %s failed, error: %d\n", thing, error); 2122 goto out; 2123 } 2124 2125 if (flags & ZDB_FLAG_PRINT_BLKPTR) 2126 zdb_print_blkptr((blkptr_t *)(void *) 2127 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 2128 else if (flags & ZDB_FLAG_RAW) 2129 zdb_dump_block_raw(buf, size, flags); 2130 else if (flags & ZDB_FLAG_INDIRECT) 2131 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 2132 flags); 2133 else if (flags & ZDB_FLAG_GBH) 2134 zdb_dump_gbh(buf, flags); 2135 else 2136 zdb_dump_block(thing, buf, size, flags); 2137 2138 out: 2139 umem_free(buf, size); 2140 free(dup); 2141 } 2142 2143 static boolean_t 2144 nvlist_string_match(nvlist_t *config, char *name, char *tgt) 2145 { 2146 char *s; 2147 2148 if (nvlist_lookup_string(config, name, &s) != 0) 2149 return (B_FALSE); 2150 2151 return (strcmp(s, tgt) == 0); 2152 } 2153 2154 static boolean_t 2155 nvlist_uint64_match(nvlist_t *config, char *name, uint64_t tgt) 2156 { 2157 uint64_t val; 2158 2159 if (nvlist_lookup_uint64(config, name, &val) != 0) 2160 return (B_FALSE); 2161 2162 return (val == tgt); 2163 } 2164 2165 static boolean_t 2166 vdev_child_guid_match(nvlist_t *vdev, uint64_t guid) 2167 { 2168 nvlist_t **child; 2169 uint_t c, children; 2170 2171 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN, 2172 &child, &children) == 0); 2173 for (c = 0; c < children; ++c) 2174 if (nvlist_uint64_match(child[c], ZPOOL_CONFIG_GUID, guid)) 2175 return (B_TRUE); 2176 return (B_FALSE); 2177 } 2178 2179 static boolean_t 2180 vdev_child_string_match(nvlist_t *vdev, char *tgt) 2181 { 2182 nvlist_t **child; 2183 uint_t c, children; 2184 2185 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN, 2186 &child, &children) == 0); 2187 for (c = 0; c < children; ++c) { 2188 if (nvlist_string_match(child[c], ZPOOL_CONFIG_PATH, tgt) || 2189 nvlist_string_match(child[c], ZPOOL_CONFIG_DEVID, tgt)) 2190 return (B_TRUE); 2191 } 2192 return (B_FALSE); 2193 } 2194 2195 static boolean_t 2196 vdev_guid_match(nvlist_t *config, uint64_t guid) 2197 { 2198 nvlist_t *nvroot; 2199 2200 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2201 &nvroot) == 0); 2202 2203 return (nvlist_uint64_match(nvroot, ZPOOL_CONFIG_GUID, guid) || 2204 vdev_child_guid_match(nvroot, guid)); 2205 } 2206 2207 static boolean_t 2208 vdev_string_match(nvlist_t *config, char *tgt) 2209 { 2210 nvlist_t *nvroot; 2211 2212 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2213 &nvroot) == 0); 2214 2215 return (vdev_child_string_match(nvroot, tgt)); 2216 } 2217 2218 static boolean_t 2219 pool_match(nvlist_t *config, char *tgt) 2220 { 2221 uint64_t guid = strtoull(tgt, NULL, 0); 2222 2223 if (guid != 0) { 2224 return ( 2225 nvlist_uint64_match(config, ZPOOL_CONFIG_POOL_GUID, guid) || 2226 vdev_guid_match(config, guid)); 2227 } else { 2228 return ( 2229 nvlist_string_match(config, ZPOOL_CONFIG_POOL_NAME, tgt) || 2230 vdev_string_match(config, tgt)); 2231 } 2232 } 2233 2234 static int 2235 find_exported_zpool(char *pool_id, nvlist_t **configp, char *vdev_dir) 2236 { 2237 nvlist_t *pools; 2238 int error = ENOENT; 2239 nvlist_t *match = NULL; 2240 2241 if (vdev_dir != NULL) 2242 pools = zpool_find_import_activeok(g_zfs, 1, &vdev_dir); 2243 else 2244 pools = zpool_find_import_activeok(g_zfs, 0, NULL); 2245 2246 if (pools != NULL) { 2247 nvpair_t *elem = NULL; 2248 2249 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2250 verify(nvpair_value_nvlist(elem, configp) == 0); 2251 if (pool_match(*configp, pool_id)) { 2252 if (match != NULL) { 2253 (void) fatal( 2254 "More than one matching pool - " 2255 "specify guid/devid/device path."); 2256 } else { 2257 match = *configp; 2258 error = 0; 2259 } 2260 } 2261 } 2262 } 2263 2264 *configp = error ? NULL : match; 2265 2266 return (error); 2267 } 2268 2269 int 2270 main(int argc, char **argv) 2271 { 2272 int i, c; 2273 struct rlimit rl = { 1024, 1024 }; 2274 spa_t *spa; 2275 objset_t *os = NULL; 2276 char *endstr; 2277 int dump_all = 1; 2278 int verbose = 0; 2279 int error; 2280 int flag, set; 2281 int exported = 0; 2282 char *vdev_dir = NULL; 2283 2284 (void) setrlimit(RLIMIT_NOFILE, &rl); 2285 (void) enable_extended_FILE_stdio(-1, -1); 2286 2287 dprintf_setup(&argc, argv); 2288 2289 while ((c = getopt(argc, argv, "udibcsvCLO:B:S:U:lRep:")) != -1) { 2290 switch (c) { 2291 case 'u': 2292 case 'd': 2293 case 'i': 2294 case 'b': 2295 case 'c': 2296 case 's': 2297 case 'C': 2298 case 'l': 2299 case 'R': 2300 dump_opt[c]++; 2301 dump_all = 0; 2302 break; 2303 case 'L': 2304 dump_opt[c]++; 2305 break; 2306 case 'O': 2307 endstr = optarg; 2308 if (endstr[0] == '!') { 2309 endstr++; 2310 set = 0; 2311 } else { 2312 set = 1; 2313 } 2314 if (strcmp(endstr, "post") == 0) { 2315 flag = ADVANCE_PRE; 2316 set = !set; 2317 } else if (strcmp(endstr, "pre") == 0) { 2318 flag = ADVANCE_PRE; 2319 } else if (strcmp(endstr, "prune") == 0) { 2320 flag = ADVANCE_PRUNE; 2321 } else if (strcmp(endstr, "data") == 0) { 2322 flag = ADVANCE_DATA; 2323 } else if (strcmp(endstr, "holes") == 0) { 2324 flag = ADVANCE_HOLES; 2325 } else { 2326 usage(); 2327 } 2328 if (set) 2329 zdb_advance |= flag; 2330 else 2331 zdb_advance &= ~flag; 2332 break; 2333 case 'B': 2334 endstr = optarg - 1; 2335 zdb_noread.zb_objset = strtoull(endstr + 1, &endstr, 0); 2336 zdb_noread.zb_object = strtoull(endstr + 1, &endstr, 0); 2337 zdb_noread.zb_level = strtol(endstr + 1, &endstr, 0); 2338 zdb_noread.zb_blkid = strtoull(endstr + 1, &endstr, 16); 2339 (void) printf("simulating bad block " 2340 "<%llu, %llu, %lld, %llx>\n", 2341 (u_longlong_t)zdb_noread.zb_objset, 2342 (u_longlong_t)zdb_noread.zb_object, 2343 (u_longlong_t)zdb_noread.zb_level, 2344 (u_longlong_t)zdb_noread.zb_blkid); 2345 break; 2346 case 'v': 2347 verbose++; 2348 break; 2349 case 'U': 2350 spa_config_path = optarg; 2351 break; 2352 case 'e': 2353 exported = 1; 2354 break; 2355 case 'p': 2356 vdev_dir = optarg; 2357 break; 2358 case 'S': 2359 dump_opt[c]++; 2360 dump_all = 0; 2361 zdb_sig_user_data = (strncmp(optarg, "user:", 5) == 0); 2362 if (!zdb_sig_user_data && strncmp(optarg, "all:", 4)) 2363 usage(); 2364 endstr = strchr(optarg, ':') + 1; 2365 if (strcmp(endstr, "fletcher2") == 0) 2366 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2; 2367 else if (strcmp(endstr, "fletcher4") == 0) 2368 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_4; 2369 else if (strcmp(endstr, "sha256") == 0) 2370 zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256; 2371 else if (strcmp(endstr, "all") == 0) 2372 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2; 2373 else 2374 usage(); 2375 break; 2376 default: 2377 usage(); 2378 break; 2379 } 2380 } 2381 2382 if (vdev_dir != NULL && exported == 0) 2383 (void) fatal("-p option requires use of -e\n"); 2384 2385 kernel_init(FREAD); 2386 g_zfs = libzfs_init(); 2387 ASSERT(g_zfs != NULL); 2388 2389 /* 2390 * Disable vdev caching. If we don't do this, live pool traversal 2391 * won't make progress because it will never see disk updates. 2392 */ 2393 zfs_vdev_cache_size = 0; 2394 2395 for (c = 0; c < 256; c++) { 2396 if (dump_all && c != 'L' && c != 'l' && c != 'R') 2397 dump_opt[c] = 1; 2398 if (dump_opt[c]) 2399 dump_opt[c] += verbose; 2400 } 2401 2402 argc -= optind; 2403 argv += optind; 2404 2405 if (argc < 1) { 2406 if (dump_opt['C']) { 2407 dump_cachefile(spa_config_path); 2408 return (0); 2409 } 2410 usage(); 2411 } 2412 2413 if (dump_opt['l']) { 2414 dump_label(argv[0]); 2415 return (0); 2416 } 2417 2418 if (dump_opt['R']) { 2419 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 2420 flagbits['c'] = ZDB_FLAG_CHECKSUM; 2421 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 2422 flagbits['e'] = ZDB_FLAG_BSWAP; 2423 flagbits['g'] = ZDB_FLAG_GBH; 2424 flagbits['i'] = ZDB_FLAG_INDIRECT; 2425 flagbits['p'] = ZDB_FLAG_PHYS; 2426 flagbits['r'] = ZDB_FLAG_RAW; 2427 2428 spa = NULL; 2429 while (argv[0]) { 2430 zdb_read_block(argv[0], &spa); 2431 argv++; 2432 argc--; 2433 } 2434 if (spa) 2435 spa_close(spa, (void *)zdb_read_block); 2436 return (0); 2437 } 2438 2439 if (dump_opt['C']) 2440 dump_config(argv[0]); 2441 2442 error = 0; 2443 if (exported) { 2444 /* 2445 * Check to see if the name refers to an exported zpool 2446 */ 2447 char *slash; 2448 nvlist_t *exported_conf = NULL; 2449 2450 if ((slash = strchr(argv[0], '/')) != NULL) 2451 *slash = '\0'; 2452 2453 error = find_exported_zpool(argv[0], &exported_conf, vdev_dir); 2454 if (error == 0) { 2455 nvlist_t *nvl = NULL; 2456 2457 if (vdev_dir != NULL) { 2458 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 2459 error = ENOMEM; 2460 else if (nvlist_add_string(nvl, 2461 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), 2462 vdev_dir) != 0) 2463 error = ENOMEM; 2464 } 2465 2466 if (error == 0) 2467 error = spa_import_faulted(argv[0], 2468 exported_conf, nvl); 2469 2470 nvlist_free(nvl); 2471 } 2472 2473 if (slash != NULL) 2474 *slash = '/'; 2475 } 2476 2477 if (error == 0) { 2478 if (strchr(argv[0], '/') != NULL) { 2479 error = dmu_objset_open(argv[0], DMU_OST_ANY, 2480 DS_MODE_USER | DS_MODE_READONLY, &os); 2481 } else { 2482 error = spa_open(argv[0], &spa, FTAG); 2483 } 2484 } 2485 2486 if (error) 2487 fatal("can't open %s: %s", argv[0], strerror(error)); 2488 2489 argv++; 2490 if (--argc > 0) { 2491 zopt_objects = argc; 2492 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 2493 for (i = 0; i < zopt_objects; i++) { 2494 errno = 0; 2495 zopt_object[i] = strtoull(argv[i], NULL, 0); 2496 if (zopt_object[i] == 0 && errno != 0) 2497 fatal("bad object number %s: %s", 2498 argv[i], strerror(errno)); 2499 } 2500 } 2501 2502 if (os != NULL) { 2503 dump_dir(os); 2504 dmu_objset_close(os); 2505 } else { 2506 dump_zpool(spa); 2507 spa_close(spa, FTAG); 2508 } 2509 2510 fuid_table_destroy(); 2511 2512 libzfs_fini(g_zfs); 2513 kernel_fini(); 2514 2515 return (0); 2516 } 2517