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, " -h pool history\n"); 104 (void) fprintf(stderr, " -i intent logs\n"); 105 (void) fprintf(stderr, " -b block statistics\n"); 106 (void) fprintf(stderr, " -m metaslabs\n"); 107 (void) fprintf(stderr, " -c checksum all metadata (twice for " 108 "all data) blocks\n"); 109 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 110 (void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- " 111 "dump blkptr signatures\n"); 112 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 113 (void) fprintf(stderr, " -l dump label contents\n"); 114 (void) fprintf(stderr, " -L disable leak tracking (do not " 115 "load spacemaps)\n"); 116 (void) fprintf(stderr, " -U cachefile_path -- use alternate " 117 "cachefile\n"); 118 (void) fprintf(stderr, " -R read and display block from a " 119 "device\n"); 120 (void) fprintf(stderr, " -e Pool is exported/destroyed/" 121 "has altroot\n"); 122 (void) fprintf(stderr, " -p <Path to vdev dir> (use with -e)\n"); 123 (void) fprintf(stderr, " -t <txg> highest txg to use when " 124 "searching for uberblocks\n"); 125 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 126 "to make only that option verbose\n"); 127 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 128 exit(1); 129 } 130 131 /* 132 * Called for usage errors that are discovered after a call to spa_open(), 133 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 134 */ 135 136 static void 137 fatal(const char *fmt, ...) 138 { 139 va_list ap; 140 141 va_start(ap, fmt); 142 (void) fprintf(stderr, "%s: ", cmdname); 143 (void) vfprintf(stderr, fmt, ap); 144 va_end(ap); 145 (void) fprintf(stderr, "\n"); 146 147 exit(1); 148 } 149 150 /* ARGSUSED */ 151 static void 152 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 153 { 154 nvlist_t *nv; 155 size_t nvsize = *(uint64_t *)data; 156 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 157 158 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 159 160 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 161 162 umem_free(packed, nvsize); 163 164 dump_nvlist(nv, 8); 165 166 nvlist_free(nv); 167 } 168 169 const char dump_zap_stars[] = "****************************************"; 170 const int dump_zap_width = sizeof (dump_zap_stars) - 1; 171 172 static void 173 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) 174 { 175 int i; 176 int minidx = ZAP_HISTOGRAM_SIZE - 1; 177 int maxidx = 0; 178 uint64_t max = 0; 179 180 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { 181 if (histo[i] > max) 182 max = histo[i]; 183 if (histo[i] > 0 && i > maxidx) 184 maxidx = i; 185 if (histo[i] > 0 && i < minidx) 186 minidx = i; 187 } 188 189 if (max < dump_zap_width) 190 max = dump_zap_width; 191 192 for (i = minidx; i <= maxidx; i++) 193 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], 194 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); 195 } 196 197 static void 198 dump_zap_stats(objset_t *os, uint64_t object) 199 { 200 int error; 201 zap_stats_t zs; 202 203 error = zap_get_stats(os, object, &zs); 204 if (error) 205 return; 206 207 if (zs.zs_ptrtbl_len == 0) { 208 ASSERT(zs.zs_num_blocks == 1); 209 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 210 (u_longlong_t)zs.zs_blocksize, 211 (u_longlong_t)zs.zs_num_entries); 212 return; 213 } 214 215 (void) printf("\tFat ZAP stats:\n"); 216 217 (void) printf("\t\tPointer table:\n"); 218 (void) printf("\t\t\t%llu elements\n", 219 (u_longlong_t)zs.zs_ptrtbl_len); 220 (void) printf("\t\t\tzt_blk: %llu\n", 221 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 222 (void) printf("\t\t\tzt_numblks: %llu\n", 223 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 224 (void) printf("\t\t\tzt_shift: %llu\n", 225 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 226 (void) printf("\t\t\tzt_blks_copied: %llu\n", 227 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 228 (void) printf("\t\t\tzt_nextblk: %llu\n", 229 (u_longlong_t)zs.zs_ptrtbl_nextblk); 230 231 (void) printf("\t\tZAP entries: %llu\n", 232 (u_longlong_t)zs.zs_num_entries); 233 (void) printf("\t\tLeaf blocks: %llu\n", 234 (u_longlong_t)zs.zs_num_leafs); 235 (void) printf("\t\tTotal blocks: %llu\n", 236 (u_longlong_t)zs.zs_num_blocks); 237 (void) printf("\t\tzap_block_type: 0x%llx\n", 238 (u_longlong_t)zs.zs_block_type); 239 (void) printf("\t\tzap_magic: 0x%llx\n", 240 (u_longlong_t)zs.zs_magic); 241 (void) printf("\t\tzap_salt: 0x%llx\n", 242 (u_longlong_t)zs.zs_salt); 243 244 (void) printf("\t\tLeafs with 2^n pointers:\n"); 245 dump_zap_histogram(zs.zs_leafs_with_2n_pointers); 246 247 (void) printf("\t\tBlocks with n*5 entries:\n"); 248 dump_zap_histogram(zs.zs_blocks_with_n5_entries); 249 250 (void) printf("\t\tBlocks n/10 full:\n"); 251 dump_zap_histogram(zs.zs_blocks_n_tenths_full); 252 253 (void) printf("\t\tEntries with n chunks:\n"); 254 dump_zap_histogram(zs.zs_entries_using_n_chunks); 255 256 (void) printf("\t\tBuckets with n entries:\n"); 257 dump_zap_histogram(zs.zs_buckets_with_n_entries); 258 } 259 260 /*ARGSUSED*/ 261 static void 262 dump_none(objset_t *os, uint64_t object, void *data, size_t size) 263 { 264 } 265 266 /*ARGSUSED*/ 267 void 268 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 269 { 270 } 271 272 /*ARGSUSED*/ 273 static void 274 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 275 { 276 } 277 278 /*ARGSUSED*/ 279 static void 280 dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 281 { 282 zap_cursor_t zc; 283 zap_attribute_t attr; 284 void *prop; 285 int i; 286 287 dump_zap_stats(os, object); 288 (void) printf("\n"); 289 290 for (zap_cursor_init(&zc, os, object); 291 zap_cursor_retrieve(&zc, &attr) == 0; 292 zap_cursor_advance(&zc)) { 293 (void) printf("\t\t%s = ", attr.za_name); 294 if (attr.za_num_integers == 0) { 295 (void) printf("\n"); 296 continue; 297 } 298 prop = umem_zalloc(attr.za_num_integers * 299 attr.za_integer_length, UMEM_NOFAIL); 300 (void) zap_lookup(os, object, attr.za_name, 301 attr.za_integer_length, attr.za_num_integers, prop); 302 if (attr.za_integer_length == 1) { 303 (void) printf("%s", (char *)prop); 304 } else { 305 for (i = 0; i < attr.za_num_integers; i++) { 306 switch (attr.za_integer_length) { 307 case 2: 308 (void) printf("%u ", 309 ((uint16_t *)prop)[i]); 310 break; 311 case 4: 312 (void) printf("%u ", 313 ((uint32_t *)prop)[i]); 314 break; 315 case 8: 316 (void) printf("%lld ", 317 (u_longlong_t)((int64_t *)prop)[i]); 318 break; 319 } 320 } 321 } 322 (void) printf("\n"); 323 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 324 } 325 zap_cursor_fini(&zc); 326 } 327 328 /*ARGSUSED*/ 329 static void 330 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 331 { 332 zap_cursor_t zc; 333 zap_attribute_t attr; 334 const char *typenames[] = { 335 /* 0 */ "not specified", 336 /* 1 */ "FIFO", 337 /* 2 */ "Character Device", 338 /* 3 */ "3 (invalid)", 339 /* 4 */ "Directory", 340 /* 5 */ "5 (invalid)", 341 /* 6 */ "Block Device", 342 /* 7 */ "7 (invalid)", 343 /* 8 */ "Regular File", 344 /* 9 */ "9 (invalid)", 345 /* 10 */ "Symbolic Link", 346 /* 11 */ "11 (invalid)", 347 /* 12 */ "Socket", 348 /* 13 */ "Door", 349 /* 14 */ "Event Port", 350 /* 15 */ "15 (invalid)", 351 }; 352 353 dump_zap_stats(os, object); 354 (void) printf("\n"); 355 356 for (zap_cursor_init(&zc, os, object); 357 zap_cursor_retrieve(&zc, &attr) == 0; 358 zap_cursor_advance(&zc)) { 359 (void) printf("\t\t%s = %lld (type: %s)\n", 360 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 361 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 362 } 363 zap_cursor_fini(&zc); 364 } 365 366 static void 367 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 368 { 369 uint64_t alloc, offset, entry; 370 uint8_t mapshift = sm->sm_shift; 371 uint64_t mapstart = sm->sm_start; 372 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 373 "INVALID", "INVALID", "INVALID", "INVALID" }; 374 375 if (smo->smo_object == 0) 376 return; 377 378 /* 379 * Print out the freelist entries in both encoded and decoded form. 380 */ 381 alloc = 0; 382 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 383 VERIFY(0 == dmu_read(os, smo->smo_object, offset, 384 sizeof (entry), &entry, DMU_READ_PREFETCH)); 385 if (SM_DEBUG_DECODE(entry)) { 386 (void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n", 387 (u_longlong_t)(offset / sizeof (entry)), 388 ddata[SM_DEBUG_ACTION_DECODE(entry)], 389 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 390 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 391 } else { 392 (void) printf("\t\t[%4llu] %c range:" 393 " %08llx-%08llx size: %06llx\n", 394 (u_longlong_t)(offset / sizeof (entry)), 395 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 396 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 397 mapshift) + mapstart), 398 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 399 mapshift) + mapstart + (SM_RUN_DECODE(entry) << 400 mapshift)), 401 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 402 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 403 alloc += SM_RUN_DECODE(entry) << mapshift; 404 else 405 alloc -= SM_RUN_DECODE(entry) << mapshift; 406 } 407 } 408 if (alloc != smo->smo_alloc) { 409 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 410 "with space map summary (%llu)\n", 411 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 412 } 413 } 414 415 static void 416 dump_metaslab_stats(metaslab_t *msp) 417 { 418 char maxbuf[5]; 419 space_map_t *sm = &msp->ms_map; 420 avl_tree_t *t = sm->sm_pp_root; 421 int free_pct = sm->sm_space * 100 / sm->sm_size; 422 423 nicenum(space_map_maxsize(sm), maxbuf); 424 425 (void) printf("\t %20s %10lu %7s %6s %4s %4d%%\n", 426 "segments", avl_numnodes(t), "maxsize", maxbuf, 427 "freepct", free_pct); 428 } 429 430 static void 431 dump_metaslab(metaslab_t *msp) 432 { 433 char freebuf[5]; 434 space_map_obj_t *smo = &msp->ms_smo; 435 vdev_t *vd = msp->ms_group->mg_vd; 436 spa_t *spa = vd->vdev_spa; 437 438 nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf); 439 440 (void) printf( 441 "\tvdev %5llu offset %12llx spacemap %6llu free %5s\n", 442 (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start, 443 (u_longlong_t)smo->smo_object, freebuf); 444 445 if (dump_opt['m'] > 1) { 446 mutex_enter(&msp->ms_lock); 447 VERIFY(space_map_load(&msp->ms_map, zfs_metaslab_ops, 448 SM_FREE, &msp->ms_smo, spa->spa_meta_objset) == 0); 449 dump_metaslab_stats(msp); 450 space_map_unload(&msp->ms_map); 451 mutex_exit(&msp->ms_lock); 452 } 453 454 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { 455 ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift)); 456 457 mutex_enter(&msp->ms_lock); 458 dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map); 459 mutex_exit(&msp->ms_lock); 460 } 461 462 } 463 464 static void 465 dump_metaslabs(spa_t *spa) 466 { 467 vdev_t *rvd = spa->spa_root_vdev; 468 vdev_t *vd; 469 int c, m; 470 471 (void) printf("\nMetaslabs:\n"); 472 473 for (c = 0; c < rvd->vdev_children; c++) { 474 vd = rvd->vdev_child[c]; 475 476 (void) printf("\t%-10s %-19s %-15s %-10s\n", 477 "vdev", "offset", "spacemap", "free"); 478 (void) printf("\t%10s %19s %15s %10s\n", 479 "----------", "-------------------", 480 "---------------", "-------------"); 481 482 for (m = 0; m < vd->vdev_ms_count; m++) 483 dump_metaslab(vd->vdev_ms[m]); 484 (void) printf("\n"); 485 } 486 } 487 488 static void 489 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) 490 { 491 char *prefix = (void *)sm; 492 493 (void) printf("%s [%llu,%llu) length %llu\n", 494 prefix, 495 (u_longlong_t)start, 496 (u_longlong_t)(start + size), 497 (u_longlong_t)(size)); 498 } 499 500 static void 501 dump_dtl(vdev_t *vd, int indent) 502 { 503 spa_t *spa = vd->vdev_spa; 504 boolean_t required; 505 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 506 char prefix[256]; 507 508 spa_vdev_state_enter(spa, SCL_NONE); 509 required = vdev_dtl_required(vd); 510 (void) spa_vdev_state_exit(spa, NULL, 0); 511 512 if (indent == 0) 513 (void) printf("\nDirty time logs:\n\n"); 514 515 (void) printf("\t%*s%s [%s]\n", indent, "", 516 vd->vdev_path ? vd->vdev_path : 517 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 518 required ? "DTL-required" : "DTL-expendable"); 519 520 for (int t = 0; t < DTL_TYPES; t++) { 521 space_map_t *sm = &vd->vdev_dtl[t]; 522 if (sm->sm_space == 0) 523 continue; 524 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 525 indent + 2, "", name[t]); 526 mutex_enter(sm->sm_lock); 527 space_map_walk(sm, dump_dtl_seg, (void *)prefix); 528 mutex_exit(sm->sm_lock); 529 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 530 dump_spacemap(spa->spa_meta_objset, 531 &vd->vdev_dtl_smo, sm); 532 } 533 534 for (int c = 0; c < vd->vdev_children; c++) 535 dump_dtl(vd->vdev_child[c], indent + 4); 536 } 537 538 static void 539 dump_history(spa_t *spa) 540 { 541 nvlist_t **events = NULL; 542 char buf[SPA_MAXBLOCKSIZE]; 543 uint64_t resid, off = 0; 544 uint64_t len = sizeof (buf); 545 uint_t num = 0; 546 int error; 547 time_t tsec; 548 struct tm t; 549 char tbuf[30]; 550 char internalstr[MAXPATHLEN]; 551 552 do { 553 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 554 (void) fprintf(stderr, "Unable to read history: " 555 "error %d\n", error); 556 return; 557 } 558 559 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 560 break; 561 562 off -= resid; 563 } while (len != 0); 564 565 (void) printf("\nHistory:\n"); 566 for (int i = 0; i < num; i++) { 567 uint64_t time, txg, ievent; 568 char *cmd, *intstr; 569 570 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 571 &time) != 0) 572 continue; 573 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 574 &cmd) != 0) { 575 if (nvlist_lookup_uint64(events[i], 576 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 577 continue; 578 verify(nvlist_lookup_uint64(events[i], 579 ZPOOL_HIST_TXG, &txg) == 0); 580 verify(nvlist_lookup_string(events[i], 581 ZPOOL_HIST_INT_STR, &intstr) == 0); 582 if (ievent >= LOG_END) 583 continue; 584 585 (void) snprintf(internalstr, 586 sizeof (internalstr), 587 "[internal %s txg:%lld] %s", 588 hist_event_table[ievent], txg, 589 intstr); 590 cmd = internalstr; 591 } 592 tsec = time; 593 (void) localtime_r(&tsec, &t); 594 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 595 (void) printf("%s %s\n", tbuf, cmd); 596 } 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), 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), 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\tuserrefs_obj = %llu\n", 822 (u_longlong_t)ds->ds_userrefs_obj); 823 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 824 (void) printf("\t\tcreation_txg = %llu\n", 825 (u_longlong_t)ds->ds_creation_txg); 826 (void) printf("\t\tdeadlist_obj = %llu\n", 827 (u_longlong_t)ds->ds_deadlist_obj); 828 (void) printf("\t\tused_bytes = %s\n", used); 829 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 830 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 831 (void) printf("\t\tunique = %s\n", unique); 832 (void) printf("\t\tfsid_guid = %llu\n", 833 (u_longlong_t)ds->ds_fsid_guid); 834 (void) printf("\t\tguid = %llu\n", 835 (u_longlong_t)ds->ds_guid); 836 (void) printf("\t\tflags = %llx\n", 837 (u_longlong_t)ds->ds_flags); 838 (void) printf("\t\tnext_clones_obj = %llu\n", 839 (u_longlong_t)ds->ds_next_clones_obj); 840 (void) printf("\t\tprops_obj = %llu\n", 841 (u_longlong_t)ds->ds_props_obj); 842 (void) printf("\t\tbp = %s\n", blkbuf); 843 } 844 845 static void 846 dump_bplist(objset_t *mos, uint64_t object, char *name) 847 { 848 bplist_t bpl = { 0 }; 849 blkptr_t blk, *bp = &blk; 850 uint64_t itor = 0; 851 char bytes[6]; 852 char comp[6]; 853 char uncomp[6]; 854 855 if (dump_opt['d'] < 3) 856 return; 857 858 mutex_init(&bpl.bpl_lock, NULL, MUTEX_DEFAULT, NULL); 859 VERIFY(0 == bplist_open(&bpl, mos, object)); 860 if (bplist_empty(&bpl)) { 861 bplist_close(&bpl); 862 mutex_destroy(&bpl.bpl_lock); 863 return; 864 } 865 866 nicenum(bpl.bpl_phys->bpl_bytes, bytes); 867 if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) { 868 nicenum(bpl.bpl_phys->bpl_comp, comp); 869 nicenum(bpl.bpl_phys->bpl_uncomp, uncomp); 870 (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n", 871 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, 872 bytes, comp, uncomp); 873 } else { 874 (void) printf("\n %s: %llu entries, %s\n", 875 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes); 876 } 877 878 if (dump_opt['d'] < 5) { 879 bplist_close(&bpl); 880 mutex_destroy(&bpl.bpl_lock); 881 return; 882 } 883 884 (void) printf("\n"); 885 886 while (bplist_iterate(&bpl, &itor, bp) == 0) { 887 char blkbuf[BP_SPRINTF_LEN]; 888 889 ASSERT(bp->blk_birth != 0); 890 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0); 891 (void) printf("\tItem %3llu: %s\n", 892 (u_longlong_t)itor - 1, blkbuf); 893 } 894 895 bplist_close(&bpl); 896 mutex_destroy(&bpl.bpl_lock); 897 } 898 899 static avl_tree_t idx_tree; 900 static avl_tree_t domain_tree; 901 static boolean_t fuid_table_loaded; 902 903 static void 904 fuid_table_destroy() 905 { 906 if (fuid_table_loaded) { 907 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 908 fuid_table_loaded = B_FALSE; 909 } 910 } 911 912 /* 913 * print uid or gid information. 914 * For normal POSIX id just the id is printed in decimal format. 915 * For CIFS files with FUID the fuid is printed in hex followed by 916 * the doman-rid string. 917 */ 918 static void 919 print_idstr(uint64_t id, const char *id_type) 920 { 921 if (FUID_INDEX(id)) { 922 char *domain; 923 924 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 925 (void) printf("\t%s %llx [%s-%d]\n", id_type, 926 (u_longlong_t)id, domain, (int)FUID_RID(id)); 927 } else { 928 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 929 } 930 931 } 932 933 static void 934 dump_uidgid(objset_t *os, znode_phys_t *zp) 935 { 936 uint32_t uid_idx, gid_idx; 937 938 uid_idx = FUID_INDEX(zp->zp_uid); 939 gid_idx = FUID_INDEX(zp->zp_gid); 940 941 /* Load domain table, if not already loaded */ 942 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 943 uint64_t fuid_obj; 944 945 /* first find the fuid object. It lives in the master node */ 946 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 947 8, 1, &fuid_obj) == 0); 948 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 949 (void) zfs_fuid_table_load(os, fuid_obj, 950 &idx_tree, &domain_tree); 951 fuid_table_loaded = B_TRUE; 952 } 953 954 print_idstr(zp->zp_uid, "uid"); 955 print_idstr(zp->zp_gid, "gid"); 956 } 957 958 /*ARGSUSED*/ 959 static void 960 dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 961 { 962 znode_phys_t *zp = data; 963 time_t z_crtime, z_atime, z_mtime, z_ctime; 964 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 965 int error; 966 967 ASSERT(size >= sizeof (znode_phys_t)); 968 969 error = zfs_obj_to_path(os, object, path, sizeof (path)); 970 if (error != 0) { 971 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 972 (u_longlong_t)object); 973 } 974 975 if (dump_opt['d'] < 3) { 976 (void) printf("\t%s\n", path); 977 return; 978 } 979 980 z_crtime = (time_t)zp->zp_crtime[0]; 981 z_atime = (time_t)zp->zp_atime[0]; 982 z_mtime = (time_t)zp->zp_mtime[0]; 983 z_ctime = (time_t)zp->zp_ctime[0]; 984 985 (void) printf("\tpath %s\n", path); 986 dump_uidgid(os, zp); 987 (void) printf("\tatime %s", ctime(&z_atime)); 988 (void) printf("\tmtime %s", ctime(&z_mtime)); 989 (void) printf("\tctime %s", ctime(&z_ctime)); 990 (void) printf("\tcrtime %s", ctime(&z_crtime)); 991 (void) printf("\tgen %llu\n", (u_longlong_t)zp->zp_gen); 992 (void) printf("\tmode %llo\n", (u_longlong_t)zp->zp_mode); 993 (void) printf("\tsize %llu\n", (u_longlong_t)zp->zp_size); 994 (void) printf("\tparent %llu\n", (u_longlong_t)zp->zp_parent); 995 (void) printf("\tlinks %llu\n", (u_longlong_t)zp->zp_links); 996 (void) printf("\txattr %llu\n", (u_longlong_t)zp->zp_xattr); 997 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)zp->zp_rdev); 998 } 999 1000 /*ARGSUSED*/ 1001 static void 1002 dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1003 { 1004 } 1005 1006 /*ARGSUSED*/ 1007 static void 1008 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1009 { 1010 } 1011 1012 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = { 1013 dump_none, /* unallocated */ 1014 dump_zap, /* object directory */ 1015 dump_uint64, /* object array */ 1016 dump_none, /* packed nvlist */ 1017 dump_packed_nvlist, /* packed nvlist size */ 1018 dump_none, /* bplist */ 1019 dump_none, /* bplist header */ 1020 dump_none, /* SPA space map header */ 1021 dump_none, /* SPA space map */ 1022 dump_none, /* ZIL intent log */ 1023 dump_dnode, /* DMU dnode */ 1024 dump_dmu_objset, /* DMU objset */ 1025 dump_dsl_dir, /* DSL directory */ 1026 dump_zap, /* DSL directory child map */ 1027 dump_zap, /* DSL dataset snap map */ 1028 dump_zap, /* DSL props */ 1029 dump_dsl_dataset, /* DSL dataset */ 1030 dump_znode, /* ZFS znode */ 1031 dump_acl, /* ZFS V0 ACL */ 1032 dump_uint8, /* ZFS plain file */ 1033 dump_zpldir, /* ZFS directory */ 1034 dump_zap, /* ZFS master node */ 1035 dump_zap, /* ZFS delete queue */ 1036 dump_uint8, /* zvol object */ 1037 dump_zap, /* zvol prop */ 1038 dump_uint8, /* other uint8[] */ 1039 dump_uint64, /* other uint64[] */ 1040 dump_zap, /* other ZAP */ 1041 dump_zap, /* persistent error log */ 1042 dump_uint8, /* SPA history */ 1043 dump_uint64, /* SPA history offsets */ 1044 dump_zap, /* Pool properties */ 1045 dump_zap, /* DSL permissions */ 1046 dump_acl, /* ZFS ACL */ 1047 dump_uint8, /* ZFS SYSACL */ 1048 dump_none, /* FUID nvlist */ 1049 dump_packed_nvlist, /* FUID nvlist size */ 1050 dump_zap, /* DSL dataset next clones */ 1051 dump_zap, /* DSL scrub queue */ 1052 dump_zap, /* ZFS user/group used */ 1053 dump_zap, /* ZFS user/group quota */ 1054 dump_zap, /* snapshot refcount tags */ 1055 }; 1056 1057 static void 1058 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1059 { 1060 dmu_buf_t *db = NULL; 1061 dmu_object_info_t doi; 1062 dnode_t *dn; 1063 void *bonus = NULL; 1064 size_t bsize = 0; 1065 char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], segsize[6]; 1066 char aux[50]; 1067 int error; 1068 1069 if (*print_header) { 1070 (void) printf("\n Object lvl iblk dblk lsize" 1071 " asize type\n"); 1072 *print_header = 0; 1073 } 1074 1075 if (object == 0) { 1076 dn = os->os_meta_dnode; 1077 } else { 1078 error = dmu_bonus_hold(os, object, FTAG, &db); 1079 if (error) 1080 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1081 object, error); 1082 bonus = db->db_data; 1083 bsize = db->db_size; 1084 dn = ((dmu_buf_impl_t *)db)->db_dnode; 1085 } 1086 dmu_object_info_from_dnode(dn, &doi); 1087 1088 nicenum(doi.doi_metadata_block_size, iblk); 1089 nicenum(doi.doi_data_block_size, dblk); 1090 nicenum(doi.doi_data_block_size * (doi.doi_max_block_offset + 1), 1091 lsize); 1092 nicenum(doi.doi_physical_blks << 9, asize); 1093 nicenum(doi.doi_bonus_size, bonus_size); 1094 1095 aux[0] = '\0'; 1096 1097 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1098 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1099 zio_checksum_table[doi.doi_checksum].ci_name); 1100 } 1101 1102 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1103 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1104 zio_compress_table[doi.doi_compress].ci_name); 1105 } 1106 1107 (void) printf("%10lld %3u %5s %5s %5s %5s %s%s\n", 1108 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, lsize, 1109 asize, dmu_ot[doi.doi_type].ot_name, aux); 1110 1111 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1112 (void) printf("%10s %3s %5s %5s %5s %5s %s\n", 1113 "", "", "", "", bonus_size, "bonus", 1114 dmu_ot[doi.doi_bonus_type].ot_name); 1115 } 1116 1117 if (verbosity >= 4) { 1118 (void) printf("\tdnode flags: %s%s\n", 1119 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1120 "USED_BYTES " : "", 1121 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1122 "USERUSED_ACCOUNTED " : ""); 1123 (void) printf("\tdnode maxblkid: %llu\n", 1124 (longlong_t)dn->dn_phys->dn_maxblkid); 1125 1126 object_viewer[doi.doi_bonus_type](os, object, bonus, bsize); 1127 object_viewer[doi.doi_type](os, object, NULL, 0); 1128 *print_header = 1; 1129 } 1130 1131 if (verbosity >= 5) 1132 dump_indirect(dn); 1133 1134 if (verbosity >= 5) { 1135 /* 1136 * Report the list of segments that comprise the object. 1137 */ 1138 uint64_t start = 0; 1139 uint64_t end; 1140 uint64_t blkfill = 1; 1141 int minlvl = 1; 1142 1143 if (dn->dn_type == DMU_OT_DNODE) { 1144 minlvl = 0; 1145 blkfill = DNODES_PER_BLOCK; 1146 } 1147 1148 for (;;) { 1149 error = dnode_next_offset(dn, 1150 0, &start, minlvl, blkfill, 0); 1151 if (error) 1152 break; 1153 end = start; 1154 error = dnode_next_offset(dn, 1155 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1156 nicenum(end - start, segsize); 1157 (void) printf("\t\tsegment [%016llx, %016llx)" 1158 " size %5s\n", (u_longlong_t)start, 1159 (u_longlong_t)end, segsize); 1160 if (error) 1161 break; 1162 start = end; 1163 } 1164 } 1165 1166 if (db != NULL) 1167 dmu_buf_rele(db, FTAG); 1168 } 1169 1170 static char *objset_types[DMU_OST_NUMTYPES] = { 1171 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1172 1173 static void 1174 dump_dir(objset_t *os) 1175 { 1176 dmu_objset_stats_t dds; 1177 uint64_t object, object_count; 1178 uint64_t refdbytes, usedobjs, scratch; 1179 char numbuf[8]; 1180 char blkbuf[BP_SPRINTF_LEN + 20]; 1181 char osname[MAXNAMELEN]; 1182 char *type = "UNKNOWN"; 1183 int verbosity = dump_opt['d']; 1184 int print_header = 1; 1185 int i, error; 1186 1187 dmu_objset_fast_stat(os, &dds); 1188 1189 if (dds.dds_type < DMU_OST_NUMTYPES) 1190 type = objset_types[dds.dds_type]; 1191 1192 if (dds.dds_type == DMU_OST_META) { 1193 dds.dds_creation_txg = TXG_INITIAL; 1194 usedobjs = os->os_rootbp->blk_fill; 1195 refdbytes = os->os_spa->spa_dsl_pool-> 1196 dp_mos_dir->dd_phys->dd_used_bytes; 1197 } else { 1198 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1199 } 1200 1201 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill); 1202 1203 nicenum(refdbytes, numbuf); 1204 1205 if (verbosity >= 4) { 1206 (void) sprintf(blkbuf + strlen(blkbuf), ", rootbp "); 1207 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), 1208 BP_SPRINTF_LEN - strlen(blkbuf), os->os_rootbp); 1209 } else { 1210 blkbuf[0] = '\0'; 1211 } 1212 1213 dmu_objset_name(os, osname); 1214 1215 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1216 "%s, %llu objects%s\n", 1217 osname, type, (u_longlong_t)dmu_objset_id(os), 1218 (u_longlong_t)dds.dds_creation_txg, 1219 numbuf, (u_longlong_t)usedobjs, blkbuf); 1220 1221 dump_intent_log(dmu_objset_zil(os)); 1222 1223 if (dmu_objset_ds(os) != NULL) 1224 dump_bplist(dmu_objset_pool(os)->dp_meta_objset, 1225 dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist"); 1226 1227 if (verbosity < 2) 1228 return; 1229 1230 if (os->os_rootbp->blk_birth == 0) 1231 return; 1232 1233 if (zopt_objects != 0) { 1234 for (i = 0; i < zopt_objects; i++) 1235 dump_object(os, zopt_object[i], verbosity, 1236 &print_header); 1237 (void) printf("\n"); 1238 return; 1239 } 1240 1241 dump_object(os, 0, verbosity, &print_header); 1242 object_count = 0; 1243 if (os->os_userused_dnode && 1244 os->os_userused_dnode->dn_type != 0) { 1245 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1246 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1247 } 1248 1249 object = 0; 1250 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1251 dump_object(os, object, verbosity, &print_header); 1252 object_count++; 1253 } 1254 1255 ASSERT3U(object_count, ==, usedobjs); 1256 1257 (void) printf("\n"); 1258 1259 if (error != ESRCH) { 1260 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1261 abort(); 1262 } 1263 } 1264 1265 static void 1266 dump_uberblock(uberblock_t *ub) 1267 { 1268 time_t timestamp = ub->ub_timestamp; 1269 1270 (void) printf("Uberblock\n\n"); 1271 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1272 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1273 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1274 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1275 (void) printf("\ttimestamp = %llu UTC = %s", 1276 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1277 if (dump_opt['u'] >= 3) { 1278 char blkbuf[BP_SPRINTF_LEN]; 1279 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ub->ub_rootbp); 1280 (void) printf("\trootbp = %s\n", blkbuf); 1281 } 1282 (void) printf("\n"); 1283 } 1284 1285 static void 1286 dump_config(const char *pool) 1287 { 1288 spa_t *spa = NULL; 1289 1290 mutex_enter(&spa_namespace_lock); 1291 while ((spa = spa_next(spa)) != NULL) { 1292 if (pool == NULL) 1293 (void) printf("%s\n", spa_name(spa)); 1294 if (pool == NULL || strcmp(pool, spa_name(spa)) == 0) 1295 dump_nvlist(spa->spa_config, 4); 1296 } 1297 mutex_exit(&spa_namespace_lock); 1298 } 1299 1300 static void 1301 dump_cachefile(const char *cachefile) 1302 { 1303 int fd; 1304 struct stat64 statbuf; 1305 char *buf; 1306 nvlist_t *config; 1307 1308 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1309 (void) printf("cannot open '%s': %s\n", cachefile, 1310 strerror(errno)); 1311 exit(1); 1312 } 1313 1314 if (fstat64(fd, &statbuf) != 0) { 1315 (void) printf("failed to stat '%s': %s\n", cachefile, 1316 strerror(errno)); 1317 exit(1); 1318 } 1319 1320 if ((buf = malloc(statbuf.st_size)) == NULL) { 1321 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1322 (u_longlong_t)statbuf.st_size); 1323 exit(1); 1324 } 1325 1326 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1327 (void) fprintf(stderr, "failed to read %llu bytes\n", 1328 (u_longlong_t)statbuf.st_size); 1329 exit(1); 1330 } 1331 1332 (void) close(fd); 1333 1334 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1335 (void) fprintf(stderr, "failed to unpack nvlist\n"); 1336 exit(1); 1337 } 1338 1339 free(buf); 1340 1341 dump_nvlist(config, 0); 1342 1343 nvlist_free(config); 1344 } 1345 1346 static void 1347 dump_label(const char *dev) 1348 { 1349 int fd; 1350 vdev_label_t label; 1351 char *buf = label.vl_vdev_phys.vp_nvlist; 1352 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1353 struct stat64 statbuf; 1354 uint64_t psize; 1355 int l; 1356 1357 if ((fd = open64(dev, O_RDONLY)) < 0) { 1358 (void) printf("cannot open '%s': %s\n", dev, strerror(errno)); 1359 exit(1); 1360 } 1361 1362 if (fstat64(fd, &statbuf) != 0) { 1363 (void) printf("failed to stat '%s': %s\n", dev, 1364 strerror(errno)); 1365 exit(1); 1366 } 1367 1368 psize = statbuf.st_size; 1369 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1370 1371 for (l = 0; l < VDEV_LABELS; l++) { 1372 1373 nvlist_t *config = NULL; 1374 1375 (void) printf("--------------------------------------------\n"); 1376 (void) printf("LABEL %d\n", l); 1377 (void) printf("--------------------------------------------\n"); 1378 1379 if (pread64(fd, &label, sizeof (label), 1380 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1381 (void) printf("failed to read label %d\n", l); 1382 continue; 1383 } 1384 1385 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1386 (void) printf("failed to unpack label %d\n", l); 1387 continue; 1388 } 1389 dump_nvlist(config, 4); 1390 nvlist_free(config); 1391 } 1392 } 1393 1394 /*ARGSUSED*/ 1395 static int 1396 dump_one_dir(char *dsname, void *arg) 1397 { 1398 int error; 1399 objset_t *os; 1400 1401 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 1402 if (error) { 1403 (void) printf("Could not open %s\n", dsname); 1404 return (0); 1405 } 1406 dump_dir(os); 1407 dmu_objset_disown(os, FTAG); 1408 fuid_table_destroy(); 1409 return (0); 1410 } 1411 1412 static void 1413 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 1414 { 1415 vdev_t *vd = sm->sm_ppd; 1416 1417 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 1418 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 1419 } 1420 1421 /* ARGSUSED */ 1422 static void 1423 zdb_space_map_load(space_map_t *sm) 1424 { 1425 } 1426 1427 static void 1428 zdb_space_map_unload(space_map_t *sm) 1429 { 1430 space_map_vacate(sm, zdb_leak, sm); 1431 } 1432 1433 /* ARGSUSED */ 1434 static void 1435 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 1436 { 1437 } 1438 1439 static space_map_ops_t zdb_space_map_ops = { 1440 zdb_space_map_load, 1441 zdb_space_map_unload, 1442 NULL, /* alloc */ 1443 zdb_space_map_claim, 1444 NULL, /* free */ 1445 NULL /* maxsize */ 1446 }; 1447 1448 static void 1449 zdb_leak_init(spa_t *spa) 1450 { 1451 vdev_t *rvd = spa->spa_root_vdev; 1452 1453 for (int c = 0; c < rvd->vdev_children; c++) { 1454 vdev_t *vd = rvd->vdev_child[c]; 1455 for (int m = 0; m < vd->vdev_ms_count; m++) { 1456 metaslab_t *msp = vd->vdev_ms[m]; 1457 mutex_enter(&msp->ms_lock); 1458 VERIFY(space_map_load(&msp->ms_map, &zdb_space_map_ops, 1459 SM_ALLOC, &msp->ms_smo, spa->spa_meta_objset) == 0); 1460 msp->ms_map.sm_ppd = vd; 1461 mutex_exit(&msp->ms_lock); 1462 } 1463 } 1464 } 1465 1466 static void 1467 zdb_leak_fini(spa_t *spa) 1468 { 1469 vdev_t *rvd = spa->spa_root_vdev; 1470 1471 for (int c = 0; c < rvd->vdev_children; c++) { 1472 vdev_t *vd = rvd->vdev_child[c]; 1473 for (int m = 0; m < vd->vdev_ms_count; m++) { 1474 metaslab_t *msp = vd->vdev_ms[m]; 1475 mutex_enter(&msp->ms_lock); 1476 space_map_unload(&msp->ms_map); 1477 mutex_exit(&msp->ms_lock); 1478 } 1479 } 1480 } 1481 1482 /* 1483 * Verify that the sum of the sizes of all blocks in the pool adds up 1484 * to the SPA's sa_alloc total. 1485 */ 1486 typedef struct zdb_blkstats { 1487 uint64_t zb_asize; 1488 uint64_t zb_lsize; 1489 uint64_t zb_psize; 1490 uint64_t zb_count; 1491 } zdb_blkstats_t; 1492 1493 #define DMU_OT_DEFERRED DMU_OT_NONE 1494 #define DMU_OT_TOTAL DMU_OT_NUMTYPES 1495 1496 #define ZB_TOTAL DN_MAX_LEVELS 1497 1498 typedef struct zdb_cb { 1499 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][DMU_OT_TOTAL + 1]; 1500 uint64_t zcb_errors[256]; 1501 int zcb_readfails; 1502 int zcb_haderrors; 1503 } zdb_cb_t; 1504 1505 static void 1506 zdb_count_block(spa_t *spa, zdb_cb_t *zcb, blkptr_t *bp, dmu_object_type_t type) 1507 { 1508 for (int i = 0; i < 4; i++) { 1509 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 1510 int t = (i & 1) ? type : DMU_OT_TOTAL; 1511 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 1512 1513 zb->zb_asize += BP_GET_ASIZE(bp); 1514 zb->zb_lsize += BP_GET_LSIZE(bp); 1515 zb->zb_psize += BP_GET_PSIZE(bp); 1516 zb->zb_count++; 1517 } 1518 1519 if (dump_opt['S']) { 1520 boolean_t print_sig; 1521 1522 print_sig = !zdb_sig_user_data || (BP_GET_LEVEL(bp) == 0 && 1523 BP_GET_TYPE(bp) == DMU_OT_PLAIN_FILE_CONTENTS); 1524 1525 if (BP_GET_CHECKSUM(bp) < zdb_sig_cksumalg) 1526 print_sig = B_FALSE; 1527 1528 if (print_sig) { 1529 (void) printf("%llu\t%lld\t%lld\t%s\t%s\t%s\t" 1530 "%llx:%llx:%llx:%llx\n", 1531 (u_longlong_t)BP_GET_LEVEL(bp), 1532 (longlong_t)BP_GET_PSIZE(bp), 1533 (longlong_t)BP_GET_NDVAS(bp), 1534 dmu_ot[BP_GET_TYPE(bp)].ot_name, 1535 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name, 1536 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name, 1537 (u_longlong_t)bp->blk_cksum.zc_word[0], 1538 (u_longlong_t)bp->blk_cksum.zc_word[1], 1539 (u_longlong_t)bp->blk_cksum.zc_word[2], 1540 (u_longlong_t)bp->blk_cksum.zc_word[3]); 1541 } 1542 } 1543 1544 if (!dump_opt['L']) 1545 VERIFY(zio_wait(zio_claim(NULL, spa, spa_first_txg(spa), bp, 1546 NULL, NULL, ZIO_FLAG_MUSTSUCCEED)) == 0); 1547 } 1548 1549 static int 1550 zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb, 1551 const dnode_phys_t *dnp, void *arg) 1552 { 1553 zdb_cb_t *zcb = arg; 1554 char blkbuf[BP_SPRINTF_LEN]; 1555 dmu_object_type_t type; 1556 boolean_t is_l0_metadata; 1557 1558 if (bp == NULL) 1559 return (0); 1560 1561 type = BP_GET_TYPE(bp); 1562 1563 zdb_count_block(spa, zcb, bp, type); 1564 1565 /* 1566 * if we do metadata-only checksumming there's no need to checksum 1567 * indirect blocks here because it is done during traverse 1568 */ 1569 is_l0_metadata = (BP_GET_LEVEL(bp) == 0 && type < DMU_OT_NUMTYPES && 1570 dmu_ot[type].ot_metadata); 1571 1572 if (dump_opt['c'] > 1 || dump_opt['S'] || 1573 (dump_opt['c'] && is_l0_metadata)) { 1574 int ioerr, size; 1575 void *data; 1576 1577 size = BP_GET_LSIZE(bp); 1578 data = malloc(size); 1579 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size, 1580 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, 1581 ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB, zb)); 1582 free(data); 1583 1584 /* We expect io errors on intent log */ 1585 if (ioerr && type != DMU_OT_INTENT_LOG) { 1586 zcb->zcb_haderrors = 1; 1587 zcb->zcb_errors[ioerr]++; 1588 1589 if (dump_opt['b'] >= 2) 1590 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 1591 else 1592 blkbuf[0] = '\0'; 1593 1594 if (!dump_opt['S']) { 1595 (void) printf("zdb_blkptr_cb: " 1596 "Got error %d reading " 1597 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 1598 ioerr, 1599 (u_longlong_t)zb->zb_objset, 1600 (u_longlong_t)zb->zb_object, 1601 (u_longlong_t)zb->zb_level, 1602 (u_longlong_t)zb->zb_blkid, 1603 blkbuf); 1604 } 1605 } 1606 } 1607 1608 zcb->zcb_readfails = 0; 1609 1610 if (dump_opt['b'] >= 4) { 1611 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 1612 (void) printf("objset %llu object %llu offset 0x%llx %s\n", 1613 (u_longlong_t)zb->zb_objset, 1614 (u_longlong_t)zb->zb_object, 1615 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid), 1616 blkbuf); 1617 } 1618 1619 return (0); 1620 } 1621 1622 static int 1623 dump_block_stats(spa_t *spa) 1624 { 1625 zdb_cb_t zcb = { 0 }; 1626 zdb_blkstats_t *zb, *tzb; 1627 uint64_t alloc, space, logalloc; 1628 vdev_t *rvd = spa->spa_root_vdev; 1629 int leaks = 0; 1630 int c, e; 1631 1632 if (!dump_opt['S']) { 1633 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n", 1634 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 1635 (dump_opt['c'] == 1) ? "metadata " : "", 1636 dump_opt['c'] ? "checksums " : "", 1637 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 1638 !dump_opt['L'] ? "nothing leaked " : ""); 1639 } 1640 1641 /* 1642 * Load all space maps as SM_ALLOC maps, then traverse the pool 1643 * claiming each block we discover. If the pool is perfectly 1644 * consistent, the space maps will be empty when we're done. 1645 * Anything left over is a leak; any block we can't claim (because 1646 * it's not part of any space map) is a double allocation, 1647 * reference to a freed block, or an unclaimed log block. 1648 */ 1649 if (!dump_opt['L']) 1650 zdb_leak_init(spa); 1651 1652 /* 1653 * If there's a deferred-free bplist, process that first. 1654 */ 1655 if (spa->spa_sync_bplist_obj != 0) { 1656 bplist_t *bpl = &spa->spa_sync_bplist; 1657 blkptr_t blk; 1658 uint64_t itor = 0; 1659 1660 VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset, 1661 spa->spa_sync_bplist_obj)); 1662 1663 while (bplist_iterate(bpl, &itor, &blk) == 0) { 1664 if (dump_opt['b'] >= 4) { 1665 char blkbuf[BP_SPRINTF_LEN]; 1666 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &blk); 1667 (void) printf("[%s] %s\n", 1668 "deferred free", blkbuf); 1669 } 1670 zdb_count_block(spa, &zcb, &blk, DMU_OT_DEFERRED); 1671 } 1672 1673 bplist_close(bpl); 1674 } 1675 1676 zcb.zcb_haderrors |= traverse_pool(spa, zdb_blkptr_cb, &zcb); 1677 1678 if (zcb.zcb_haderrors && !dump_opt['S']) { 1679 (void) printf("\nError counts:\n\n"); 1680 (void) printf("\t%5s %s\n", "errno", "count"); 1681 for (e = 0; e < 256; e++) { 1682 if (zcb.zcb_errors[e] != 0) { 1683 (void) printf("\t%5d %llu\n", 1684 e, (u_longlong_t)zcb.zcb_errors[e]); 1685 } 1686 } 1687 } 1688 1689 /* 1690 * Report any leaked segments. 1691 */ 1692 if (!dump_opt['L']) 1693 zdb_leak_fini(spa); 1694 1695 /* 1696 * If we're interested in printing out the blkptr signatures, 1697 * return now as we don't print out anything else (including 1698 * errors and leaks). 1699 */ 1700 if (dump_opt['S']) 1701 return (zcb.zcb_haderrors ? 3 : 0); 1702 1703 alloc = spa_get_alloc(spa); 1704 space = spa_get_space(spa); 1705 1706 /* 1707 * Log blocks allocated from a separate log device don't count 1708 * as part of the normal pool space; factor them in here. 1709 */ 1710 logalloc = 0; 1711 1712 for (c = 0; c < rvd->vdev_children; c++) 1713 if (rvd->vdev_child[c]->vdev_islog) 1714 logalloc += rvd->vdev_child[c]->vdev_stat.vs_alloc; 1715 1716 tzb = &zcb.zcb_type[ZB_TOTAL][DMU_OT_TOTAL]; 1717 1718 if (tzb->zb_asize == alloc + logalloc) { 1719 if (!dump_opt['L']) 1720 (void) printf("\n\tNo leaks (block sum matches space" 1721 " maps exactly)\n"); 1722 } else { 1723 (void) printf("block traversal size %llu != alloc %llu " 1724 "(%s %lld)\n", 1725 (u_longlong_t)tzb->zb_asize, 1726 (u_longlong_t)alloc + logalloc, 1727 (dump_opt['L']) ? "unreachable" : "leaked", 1728 (longlong_t)(alloc + logalloc - tzb->zb_asize)); 1729 leaks = 1; 1730 } 1731 1732 if (tzb->zb_count == 0) 1733 return (2); 1734 1735 (void) printf("\n"); 1736 (void) printf("\tbp count: %10llu\n", 1737 (u_longlong_t)tzb->zb_count); 1738 (void) printf("\tbp logical: %10llu\t avg: %6llu\n", 1739 (u_longlong_t)tzb->zb_lsize, 1740 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 1741 (void) printf("\tbp physical: %10llu\t avg:" 1742 " %6llu\tcompression: %6.2f\n", 1743 (u_longlong_t)tzb->zb_psize, 1744 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 1745 (double)tzb->zb_lsize / tzb->zb_psize); 1746 (void) printf("\tbp allocated: %10llu\t avg:" 1747 " %6llu\tcompression: %6.2f\n", 1748 (u_longlong_t)tzb->zb_asize, 1749 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 1750 (double)tzb->zb_lsize / tzb->zb_asize); 1751 (void) printf("\tSPA allocated: %10llu\tused: %5.2f%%\n", 1752 (u_longlong_t)alloc, 100.0 * alloc / space); 1753 1754 if (dump_opt['b'] >= 2) { 1755 int l, t, level; 1756 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 1757 "\t avg\t comp\t%%Total\tType\n"); 1758 1759 for (t = 0; t <= DMU_OT_NUMTYPES; t++) { 1760 char csize[6], lsize[6], psize[6], asize[6], avg[6]; 1761 char *typename; 1762 1763 typename = t == DMU_OT_DEFERRED ? "deferred free" : 1764 t == DMU_OT_TOTAL ? "Total" : dmu_ot[t].ot_name; 1765 1766 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 1767 (void) printf("%6s\t%5s\t%5s\t%5s" 1768 "\t%5s\t%5s\t%6s\t%s\n", 1769 "-", 1770 "-", 1771 "-", 1772 "-", 1773 "-", 1774 "-", 1775 "-", 1776 typename); 1777 continue; 1778 } 1779 1780 for (l = ZB_TOTAL - 1; l >= -1; l--) { 1781 level = (l == -1 ? ZB_TOTAL : l); 1782 zb = &zcb.zcb_type[level][t]; 1783 1784 if (zb->zb_asize == 0) 1785 continue; 1786 1787 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 1788 continue; 1789 1790 if (level == 0 && zb->zb_asize == 1791 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 1792 continue; 1793 1794 nicenum(zb->zb_count, csize); 1795 nicenum(zb->zb_lsize, lsize); 1796 nicenum(zb->zb_psize, psize); 1797 nicenum(zb->zb_asize, asize); 1798 nicenum(zb->zb_asize / zb->zb_count, avg); 1799 1800 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 1801 "\t%5.2f\t%6.2f\t", 1802 csize, lsize, psize, asize, avg, 1803 (double)zb->zb_lsize / zb->zb_psize, 1804 100.0 * zb->zb_asize / tzb->zb_asize); 1805 1806 if (level == ZB_TOTAL) 1807 (void) printf("%s\n", typename); 1808 else 1809 (void) printf(" L%d %s\n", 1810 level, typename); 1811 } 1812 } 1813 } 1814 1815 (void) printf("\n"); 1816 1817 if (leaks) 1818 return (2); 1819 1820 if (zcb.zcb_haderrors) 1821 return (3); 1822 1823 return (0); 1824 } 1825 1826 static void 1827 dump_zpool(spa_t *spa) 1828 { 1829 dsl_pool_t *dp = spa_get_dsl(spa); 1830 int rc = 0; 1831 1832 if (dump_opt['u']) 1833 dump_uberblock(&spa->spa_uberblock); 1834 1835 if (dump_opt['d'] || dump_opt['i'] || dump_opt['m']) { 1836 dump_dir(dp->dp_meta_objset); 1837 if (dump_opt['d'] >= 3) { 1838 dump_bplist(dp->dp_meta_objset, 1839 spa->spa_sync_bplist_obj, "Deferred frees"); 1840 dump_dtl(spa->spa_root_vdev, 0); 1841 } 1842 1843 if (dump_opt['d'] >= 3 || dump_opt['m']) 1844 dump_metaslabs(spa); 1845 1846 (void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL, 1847 DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 1848 } 1849 1850 if (dump_opt['b'] || dump_opt['c'] || dump_opt['S']) 1851 rc = dump_block_stats(spa); 1852 1853 if (dump_opt['s']) 1854 show_pool_stats(spa); 1855 1856 if (dump_opt['h']) 1857 dump_history(spa); 1858 1859 if (rc != 0) 1860 exit(rc); 1861 } 1862 1863 #define ZDB_FLAG_CHECKSUM 0x0001 1864 #define ZDB_FLAG_DECOMPRESS 0x0002 1865 #define ZDB_FLAG_BSWAP 0x0004 1866 #define ZDB_FLAG_GBH 0x0008 1867 #define ZDB_FLAG_INDIRECT 0x0010 1868 #define ZDB_FLAG_PHYS 0x0020 1869 #define ZDB_FLAG_RAW 0x0040 1870 #define ZDB_FLAG_PRINT_BLKPTR 0x0080 1871 1872 int flagbits[256]; 1873 1874 static void 1875 zdb_print_blkptr(blkptr_t *bp, int flags) 1876 { 1877 dva_t *dva = bp->blk_dva; 1878 int d; 1879 1880 if (flags & ZDB_FLAG_BSWAP) 1881 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 1882 /* 1883 * Super-ick warning: This code is also duplicated in 1884 * cmd/mdb/common/modules/zfs/zfs.c . Yeah, I hate code 1885 * replication, too. 1886 */ 1887 for (d = 0; d < BP_GET_NDVAS(bp); d++) { 1888 (void) printf("\tDVA[%d]: vdev_id %lld / %llx\n", d, 1889 (longlong_t)DVA_GET_VDEV(&dva[d]), 1890 (longlong_t)DVA_GET_OFFSET(&dva[d])); 1891 (void) printf("\tDVA[%d]: GANG: %-5s GRID: %04llx\t" 1892 "ASIZE: %llx\n", d, 1893 DVA_GET_GANG(&dva[d]) ? "TRUE" : "FALSE", 1894 (longlong_t)DVA_GET_GRID(&dva[d]), 1895 (longlong_t)DVA_GET_ASIZE(&dva[d])); 1896 (void) printf("\tDVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", d, 1897 (u_longlong_t)DVA_GET_VDEV(&dva[d]), 1898 (longlong_t)DVA_GET_OFFSET(&dva[d]), 1899 (longlong_t)BP_GET_PSIZE(bp), 1900 BP_SHOULD_BYTESWAP(bp) ? "e" : "", 1901 !DVA_GET_GANG(&dva[d]) && BP_GET_LEVEL(bp) != 0 ? 1902 "d" : "", 1903 DVA_GET_GANG(&dva[d]) ? "g" : "", 1904 BP_GET_COMPRESS(bp) != 0 ? "d" : ""); 1905 } 1906 (void) printf("\tLSIZE: %-16llx\t\tPSIZE: %llx\n", 1907 (longlong_t)BP_GET_LSIZE(bp), (longlong_t)BP_GET_PSIZE(bp)); 1908 (void) printf("\tENDIAN: %6s\t\t\t\t\tTYPE: %s\n", 1909 BP_GET_BYTEORDER(bp) ? "LITTLE" : "BIG", 1910 dmu_ot[BP_GET_TYPE(bp)].ot_name); 1911 (void) printf("\tBIRTH: %-16llx LEVEL: %-2llu\tFILL: %llx\n", 1912 (u_longlong_t)bp->blk_birth, (u_longlong_t)BP_GET_LEVEL(bp), 1913 (u_longlong_t)bp->blk_fill); 1914 (void) printf("\tCKFUNC: %-16s\t\tCOMP: %s\n", 1915 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name, 1916 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name); 1917 (void) printf("\tCKSUM: %llx:%llx:%llx:%llx\n", 1918 (u_longlong_t)bp->blk_cksum.zc_word[0], 1919 (u_longlong_t)bp->blk_cksum.zc_word[1], 1920 (u_longlong_t)bp->blk_cksum.zc_word[2], 1921 (u_longlong_t)bp->blk_cksum.zc_word[3]); 1922 } 1923 1924 static void 1925 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 1926 { 1927 int i; 1928 1929 for (i = 0; i < nbps; i++) 1930 zdb_print_blkptr(&bp[i], flags); 1931 } 1932 1933 static void 1934 zdb_dump_gbh(void *buf, int flags) 1935 { 1936 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 1937 } 1938 1939 static void 1940 zdb_dump_block_raw(void *buf, uint64_t size, int flags) 1941 { 1942 if (flags & ZDB_FLAG_BSWAP) 1943 byteswap_uint64_array(buf, size); 1944 (void) write(2, buf, size); 1945 } 1946 1947 static void 1948 zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 1949 { 1950 uint64_t *d = (uint64_t *)buf; 1951 int nwords = size / sizeof (uint64_t); 1952 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 1953 int i, j; 1954 char *hdr, *c; 1955 1956 1957 if (do_bswap) 1958 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 1959 else 1960 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 1961 1962 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 1963 1964 for (i = 0; i < nwords; i += 2) { 1965 (void) printf("%06llx: %016llx %016llx ", 1966 (u_longlong_t)(i * sizeof (uint64_t)), 1967 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 1968 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 1969 1970 c = (char *)&d[i]; 1971 for (j = 0; j < 2 * sizeof (uint64_t); j++) 1972 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 1973 (void) printf("\n"); 1974 } 1975 } 1976 1977 /* 1978 * There are two acceptable formats: 1979 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 1980 * child[.child]* - For example: 0.1.1 1981 * 1982 * The second form can be used to specify arbitrary vdevs anywhere 1983 * in the heirarchy. For example, in a pool with a mirror of 1984 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 1985 */ 1986 static vdev_t * 1987 zdb_vdev_lookup(vdev_t *vdev, char *path) 1988 { 1989 char *s, *p, *q; 1990 int i; 1991 1992 if (vdev == NULL) 1993 return (NULL); 1994 1995 /* First, assume the x.x.x.x format */ 1996 i = (int)strtoul(path, &s, 10); 1997 if (s == path || (s && *s != '.' && *s != '\0')) 1998 goto name; 1999 if (i < 0 || i >= vdev->vdev_children) 2000 return (NULL); 2001 2002 vdev = vdev->vdev_child[i]; 2003 if (*s == '\0') 2004 return (vdev); 2005 return (zdb_vdev_lookup(vdev, s+1)); 2006 2007 name: 2008 for (i = 0; i < vdev->vdev_children; i++) { 2009 vdev_t *vc = vdev->vdev_child[i]; 2010 2011 if (vc->vdev_path == NULL) { 2012 vc = zdb_vdev_lookup(vc, path); 2013 if (vc == NULL) 2014 continue; 2015 else 2016 return (vc); 2017 } 2018 2019 p = strrchr(vc->vdev_path, '/'); 2020 p = p ? p + 1 : vc->vdev_path; 2021 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 2022 2023 if (strcmp(vc->vdev_path, path) == 0) 2024 return (vc); 2025 if (strcmp(p, path) == 0) 2026 return (vc); 2027 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 2028 return (vc); 2029 } 2030 2031 return (NULL); 2032 } 2033 2034 /* 2035 * Read a block from a pool and print it out. The syntax of the 2036 * block descriptor is: 2037 * 2038 * pool:vdev_specifier:offset:size[:flags] 2039 * 2040 * pool - The name of the pool you wish to read from 2041 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 2042 * offset - offset, in hex, in bytes 2043 * size - Amount of data to read, in hex, in bytes 2044 * flags - A string of characters specifying options 2045 * b: Decode a blkptr at given offset within block 2046 * *c: Calculate and display checksums 2047 * *d: Decompress data before dumping 2048 * e: Byteswap data before dumping 2049 * *g: Display data as a gang block header 2050 * *i: Display as an indirect block 2051 * p: Do I/O to physical offset 2052 * r: Dump raw data to stdout 2053 * 2054 * * = not yet implemented 2055 */ 2056 static void 2057 zdb_read_block(char *thing, spa_t **spap) 2058 { 2059 spa_t *spa = *spap; 2060 int flags = 0; 2061 uint64_t offset = 0, size = 0, blkptr_offset = 0; 2062 zio_t *zio; 2063 vdev_t *vd; 2064 void *buf; 2065 char *s, *p, *dup, *pool, *vdev, *flagstr; 2066 int i, error, zio_flags; 2067 2068 dup = strdup(thing); 2069 s = strtok(dup, ":"); 2070 pool = s ? s : ""; 2071 s = strtok(NULL, ":"); 2072 vdev = s ? s : ""; 2073 s = strtok(NULL, ":"); 2074 offset = strtoull(s ? s : "", NULL, 16); 2075 s = strtok(NULL, ":"); 2076 size = strtoull(s ? s : "", NULL, 16); 2077 s = strtok(NULL, ":"); 2078 flagstr = s ? s : ""; 2079 2080 s = NULL; 2081 if (size == 0) 2082 s = "size must not be zero"; 2083 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 2084 s = "size must be a multiple of sector size"; 2085 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 2086 s = "offset must be a multiple of sector size"; 2087 if (s) { 2088 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 2089 free(dup); 2090 return; 2091 } 2092 2093 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 2094 for (i = 0; flagstr[i]; i++) { 2095 int bit = flagbits[(uchar_t)flagstr[i]]; 2096 2097 if (bit == 0) { 2098 (void) printf("***Invalid flag: %c\n", 2099 flagstr[i]); 2100 continue; 2101 } 2102 flags |= bit; 2103 2104 /* If it's not something with an argument, keep going */ 2105 if ((bit & (ZDB_FLAG_CHECKSUM | ZDB_FLAG_DECOMPRESS | 2106 ZDB_FLAG_PRINT_BLKPTR)) == 0) 2107 continue; 2108 2109 p = &flagstr[i + 1]; 2110 if (bit == ZDB_FLAG_PRINT_BLKPTR) 2111 blkptr_offset = strtoull(p, &p, 16); 2112 if (*p != ':' && *p != '\0') { 2113 (void) printf("***Invalid flag arg: '%s'\n", s); 2114 free(dup); 2115 return; 2116 } 2117 } 2118 } 2119 2120 if (spa == NULL || strcmp(spa_name(spa), pool) != 0) { 2121 if (spa) 2122 spa_close(spa, (void *)zdb_read_block); 2123 error = spa_open(pool, spap, (void *)zdb_read_block); 2124 if (error) 2125 fatal("Failed to open pool '%s': %s", 2126 pool, strerror(error)); 2127 spa = *spap; 2128 } 2129 2130 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 2131 if (vd == NULL) { 2132 (void) printf("***Invalid vdev: %s\n", vdev); 2133 free(dup); 2134 return; 2135 } else { 2136 if (vd->vdev_path) 2137 (void) printf("Found vdev: %s\n", vd->vdev_path); 2138 else 2139 (void) printf("Found vdev type: %s\n", 2140 vd->vdev_ops->vdev_op_type); 2141 } 2142 2143 buf = umem_alloc(size, UMEM_NOFAIL); 2144 2145 zio_flags = ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2146 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY; 2147 2148 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2149 zio = zio_root(spa, NULL, NULL, 0); 2150 /* XXX todo - cons up a BP so RAID-Z will be happy */ 2151 zio_nowait(zio_vdev_child_io(zio, NULL, vd, offset, buf, size, 2152 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, zio_flags, NULL, NULL)); 2153 error = zio_wait(zio); 2154 spa_config_exit(spa, SCL_STATE, FTAG); 2155 2156 if (error) { 2157 (void) printf("Read of %s failed, error: %d\n", thing, error); 2158 goto out; 2159 } 2160 2161 if (flags & ZDB_FLAG_PRINT_BLKPTR) 2162 zdb_print_blkptr((blkptr_t *)(void *) 2163 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 2164 else if (flags & ZDB_FLAG_RAW) 2165 zdb_dump_block_raw(buf, size, flags); 2166 else if (flags & ZDB_FLAG_INDIRECT) 2167 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 2168 flags); 2169 else if (flags & ZDB_FLAG_GBH) 2170 zdb_dump_gbh(buf, flags); 2171 else 2172 zdb_dump_block(thing, buf, size, flags); 2173 2174 out: 2175 umem_free(buf, size); 2176 free(dup); 2177 } 2178 2179 static boolean_t 2180 nvlist_string_match(nvlist_t *config, char *name, char *tgt) 2181 { 2182 char *s; 2183 2184 if (nvlist_lookup_string(config, name, &s) != 0) 2185 return (B_FALSE); 2186 2187 return (strcmp(s, tgt) == 0); 2188 } 2189 2190 static boolean_t 2191 nvlist_uint64_match(nvlist_t *config, char *name, uint64_t tgt) 2192 { 2193 uint64_t val; 2194 2195 if (nvlist_lookup_uint64(config, name, &val) != 0) 2196 return (B_FALSE); 2197 2198 return (val == tgt); 2199 } 2200 2201 static boolean_t 2202 vdev_child_guid_match(nvlist_t *vdev, uint64_t guid) 2203 { 2204 nvlist_t **child; 2205 uint_t c, children; 2206 2207 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN, 2208 &child, &children) == 0); 2209 for (c = 0; c < children; ++c) 2210 if (nvlist_uint64_match(child[c], ZPOOL_CONFIG_GUID, guid)) 2211 return (B_TRUE); 2212 return (B_FALSE); 2213 } 2214 2215 static boolean_t 2216 vdev_child_string_match(nvlist_t *vdev, char *tgt) 2217 { 2218 nvlist_t **child; 2219 uint_t c, children; 2220 2221 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN, 2222 &child, &children) == 0); 2223 for (c = 0; c < children; ++c) { 2224 if (nvlist_string_match(child[c], ZPOOL_CONFIG_PATH, tgt) || 2225 nvlist_string_match(child[c], ZPOOL_CONFIG_DEVID, tgt)) 2226 return (B_TRUE); 2227 } 2228 return (B_FALSE); 2229 } 2230 2231 static boolean_t 2232 vdev_guid_match(nvlist_t *config, uint64_t guid) 2233 { 2234 nvlist_t *nvroot; 2235 2236 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2237 &nvroot) == 0); 2238 2239 return (nvlist_uint64_match(nvroot, ZPOOL_CONFIG_GUID, guid) || 2240 vdev_child_guid_match(nvroot, guid)); 2241 } 2242 2243 static boolean_t 2244 vdev_string_match(nvlist_t *config, char *tgt) 2245 { 2246 nvlist_t *nvroot; 2247 2248 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2249 &nvroot) == 0); 2250 2251 return (vdev_child_string_match(nvroot, tgt)); 2252 } 2253 2254 static boolean_t 2255 pool_match(nvlist_t *config, char *tgt) 2256 { 2257 uint64_t guid = strtoull(tgt, NULL, 0); 2258 2259 if (guid != 0) { 2260 return ( 2261 nvlist_uint64_match(config, ZPOOL_CONFIG_POOL_GUID, guid) || 2262 vdev_guid_match(config, guid)); 2263 } else { 2264 return ( 2265 nvlist_string_match(config, ZPOOL_CONFIG_POOL_NAME, tgt) || 2266 vdev_string_match(config, tgt)); 2267 } 2268 } 2269 2270 static int 2271 find_exported_zpool(char *pool_id, nvlist_t **configp, char *vdev_dir) 2272 { 2273 nvlist_t *pools; 2274 int error = ENOENT; 2275 nvlist_t *match = NULL; 2276 2277 if (vdev_dir != NULL) 2278 pools = zpool_find_import_activeok(g_zfs, 1, &vdev_dir); 2279 else 2280 pools = zpool_find_import_activeok(g_zfs, 0, NULL); 2281 2282 if (pools != NULL) { 2283 nvpair_t *elem = NULL; 2284 2285 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2286 verify(nvpair_value_nvlist(elem, configp) == 0); 2287 if (pool_match(*configp, pool_id)) { 2288 if (match != NULL) { 2289 (void) fatal( 2290 "More than one matching pool - " 2291 "specify guid/devid/device path."); 2292 } else { 2293 match = *configp; 2294 error = 0; 2295 } 2296 } 2297 } 2298 } 2299 2300 *configp = error ? NULL : match; 2301 2302 return (error); 2303 } 2304 2305 int 2306 main(int argc, char **argv) 2307 { 2308 int i, c; 2309 struct rlimit rl = { 1024, 1024 }; 2310 spa_t *spa; 2311 objset_t *os = NULL; 2312 char *endstr; 2313 int dump_all = 1; 2314 int verbose = 0; 2315 int error; 2316 int exported = 0; 2317 char *vdev_dir = NULL; 2318 2319 (void) setrlimit(RLIMIT_NOFILE, &rl); 2320 (void) enable_extended_FILE_stdio(-1, -1); 2321 2322 dprintf_setup(&argc, argv); 2323 2324 while ((c = getopt(argc, argv, "udhibcmsvCLS:U:lRep:t:")) != -1) { 2325 switch (c) { 2326 case 'u': 2327 case 'd': 2328 case 'i': 2329 case 'h': 2330 case 'b': 2331 case 'c': 2332 case 'm': 2333 case 's': 2334 case 'C': 2335 case 'l': 2336 case 'R': 2337 dump_opt[c]++; 2338 dump_all = 0; 2339 break; 2340 case 'L': 2341 dump_opt[c]++; 2342 break; 2343 case 'v': 2344 verbose++; 2345 break; 2346 case 'U': 2347 spa_config_path = optarg; 2348 break; 2349 case 'e': 2350 exported = 1; 2351 break; 2352 case 'p': 2353 vdev_dir = optarg; 2354 break; 2355 case 'S': 2356 dump_opt[c]++; 2357 dump_all = 0; 2358 zdb_sig_user_data = (strncmp(optarg, "user:", 5) == 0); 2359 if (!zdb_sig_user_data && strncmp(optarg, "all:", 4)) 2360 usage(); 2361 endstr = strchr(optarg, ':') + 1; 2362 if (strcmp(endstr, "fletcher2") == 0) 2363 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2; 2364 else if (strcmp(endstr, "fletcher4") == 0) 2365 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_4; 2366 else if (strcmp(endstr, "sha256") == 0) 2367 zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256; 2368 else if (strcmp(endstr, "all") == 0) 2369 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2; 2370 else 2371 usage(); 2372 break; 2373 case 't': 2374 ub_max_txg = strtoull(optarg, NULL, 0); 2375 if (ub_max_txg < TXG_INITIAL) { 2376 (void) fprintf(stderr, "incorrect txg " 2377 "specified: %s\n", optarg); 2378 usage(); 2379 } 2380 break; 2381 default: 2382 usage(); 2383 break; 2384 } 2385 } 2386 2387 if (vdev_dir != NULL && exported == 0) { 2388 (void) fprintf(stderr, "-p option requires use of -e\n"); 2389 usage(); 2390 } 2391 2392 kernel_init(FREAD); 2393 g_zfs = libzfs_init(); 2394 ASSERT(g_zfs != NULL); 2395 2396 for (c = 0; c < 256; c++) { 2397 if (dump_all && c != 'l' && c != 'R') 2398 dump_opt[c] = 1; 2399 if (dump_opt[c]) 2400 dump_opt[c] += verbose; 2401 } 2402 2403 argc -= optind; 2404 argv += optind; 2405 2406 if (argc < 1) { 2407 if (dump_opt['C']) { 2408 dump_cachefile(spa_config_path); 2409 return (0); 2410 } 2411 usage(); 2412 } 2413 2414 if (dump_opt['l']) { 2415 dump_label(argv[0]); 2416 return (0); 2417 } 2418 2419 if (dump_opt['R']) { 2420 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 2421 flagbits['c'] = ZDB_FLAG_CHECKSUM; 2422 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 2423 flagbits['e'] = ZDB_FLAG_BSWAP; 2424 flagbits['g'] = ZDB_FLAG_GBH; 2425 flagbits['i'] = ZDB_FLAG_INDIRECT; 2426 flagbits['p'] = ZDB_FLAG_PHYS; 2427 flagbits['r'] = ZDB_FLAG_RAW; 2428 2429 spa = NULL; 2430 while (argv[0]) { 2431 zdb_read_block(argv[0], &spa); 2432 argv++; 2433 argc--; 2434 } 2435 if (spa) 2436 spa_close(spa, (void *)zdb_read_block); 2437 return (0); 2438 } 2439 2440 if (dump_opt['C']) 2441 dump_config(argv[0]); 2442 2443 error = 0; 2444 if (exported) { 2445 /* 2446 * Check to see if the name refers to an exported zpool 2447 */ 2448 char *slash; 2449 nvlist_t *exported_conf = NULL; 2450 2451 if ((slash = strchr(argv[0], '/')) != NULL) 2452 *slash = '\0'; 2453 2454 error = find_exported_zpool(argv[0], &exported_conf, vdev_dir); 2455 if (error == 0) { 2456 nvlist_t *nvl = NULL; 2457 2458 if (vdev_dir != NULL) { 2459 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 2460 error = ENOMEM; 2461 else if (nvlist_add_string(nvl, 2462 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), 2463 vdev_dir) != 0) 2464 error = ENOMEM; 2465 } 2466 2467 if (error == 0) 2468 error = spa_import_verbatim(argv[0], 2469 exported_conf, nvl); 2470 2471 nvlist_free(nvl); 2472 } 2473 2474 if (slash != NULL) 2475 *slash = '/'; 2476 } 2477 2478 if (error == 0) { 2479 if (strchr(argv[0], '/') != NULL) { 2480 error = dmu_objset_own(argv[0], DMU_OST_ANY, 2481 B_TRUE, FTAG, &os); 2482 } else { 2483 error = spa_open(argv[0], &spa, FTAG); 2484 if (error) { 2485 /* 2486 * If we're missing the log device then 2487 * try opening the pool after clearing the 2488 * log state. 2489 */ 2490 mutex_enter(&spa_namespace_lock); 2491 if ((spa = spa_lookup(argv[0])) != NULL && 2492 spa->spa_log_state == SPA_LOG_MISSING) { 2493 spa->spa_log_state = SPA_LOG_CLEAR; 2494 error = 0; 2495 } 2496 mutex_exit(&spa_namespace_lock); 2497 2498 if (!error) 2499 error = spa_open(argv[0], &spa, FTAG); 2500 } 2501 } 2502 } 2503 2504 if (error) 2505 fatal("can't open %s: %s", argv[0], strerror(error)); 2506 2507 argv++; 2508 if (--argc > 0) { 2509 zopt_objects = argc; 2510 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 2511 for (i = 0; i < zopt_objects; i++) { 2512 errno = 0; 2513 zopt_object[i] = strtoull(argv[i], NULL, 0); 2514 if (zopt_object[i] == 0 && errno != 0) 2515 fatal("bad object number %s: %s", 2516 argv[i], strerror(errno)); 2517 } 2518 } 2519 2520 if (os != NULL) { 2521 dump_dir(os); 2522 dmu_objset_disown(os, FTAG); 2523 } else { 2524 dump_zpool(spa); 2525 spa_close(spa, FTAG); 2526 } 2527 2528 fuid_table_destroy(); 2529 2530 libzfs_fini(g_zfs); 2531 kernel_fini(); 2532 2533 return (0); 2534 } 2535