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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #include <stdio.h> 26 #include <stdio_ext.h> 27 #include <stdlib.h> 28 #include <ctype.h> 29 #include <sys/zfs_context.h> 30 #include <sys/spa.h> 31 #include <sys/spa_impl.h> 32 #include <sys/dmu.h> 33 #include <sys/zap.h> 34 #include <sys/fs/zfs.h> 35 #include <sys/zfs_znode.h> 36 #include <sys/zfs_sa.h> 37 #include <sys/sa.h> 38 #include <sys/sa_impl.h> 39 #include <sys/vdev.h> 40 #include <sys/vdev_impl.h> 41 #include <sys/metaslab_impl.h> 42 #include <sys/dmu_objset.h> 43 #include <sys/dsl_dir.h> 44 #include <sys/dsl_dataset.h> 45 #include <sys/dsl_pool.h> 46 #include <sys/dbuf.h> 47 #include <sys/zil.h> 48 #include <sys/zil_impl.h> 49 #include <sys/stat.h> 50 #include <sys/resource.h> 51 #include <sys/dmu_traverse.h> 52 #include <sys/zio_checksum.h> 53 #include <sys/zio_compress.h> 54 #include <sys/zfs_fuid.h> 55 #include <sys/arc.h> 56 #include <sys/ddt.h> 57 #undef ZFS_MAXNAMELEN 58 #undef verify 59 #include <libzfs.h> 60 61 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \ 62 zio_compress_table[(idx)].ci_name : "UNKNOWN") 63 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \ 64 zio_checksum_table[(idx)].ci_name : "UNKNOWN") 65 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \ 66 dmu_ot[(idx)].ot_name : "UNKNOWN") 67 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : DMU_OT_NUMTYPES) 68 69 #ifndef lint 70 extern int zfs_recover; 71 #else 72 int zfs_recover; 73 #endif 74 75 const char cmdname[] = "zdb"; 76 uint8_t dump_opt[256]; 77 78 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 79 80 extern void dump_intent_log(zilog_t *); 81 uint64_t *zopt_object = NULL; 82 int zopt_objects = 0; 83 libzfs_handle_t *g_zfs; 84 85 /* 86 * These libumem hooks provide a reasonable set of defaults for the allocator's 87 * debugging facilities. 88 */ 89 const char * 90 _umem_debug_init() 91 { 92 return ("default,verbose"); /* $UMEM_DEBUG setting */ 93 } 94 95 const char * 96 _umem_logging_init(void) 97 { 98 return ("fail,contents"); /* $UMEM_LOGGING setting */ 99 } 100 101 static void 102 usage(void) 103 { 104 (void) fprintf(stderr, 105 "Usage: %s [-CumdibcsDvhL] poolname [object...]\n" 106 " %s [-div] dataset [object...]\n" 107 " %s -m [-L] poolname [vdev [metaslab...]]\n" 108 " %s -R poolname vdev:offset:size[:flags]\n" 109 " %s -S poolname\n" 110 " %s -l [-u] device\n" 111 " %s -C\n\n", 112 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 113 114 (void) fprintf(stderr, " Dataset name must include at least one " 115 "separator character '/' or '@'\n"); 116 (void) fprintf(stderr, " If dataset name is specified, only that " 117 "dataset is dumped\n"); 118 (void) fprintf(stderr, " If object numbers are specified, only " 119 "those objects are dumped\n\n"); 120 (void) fprintf(stderr, " Options to control amount of output:\n"); 121 (void) fprintf(stderr, " -u uberblock\n"); 122 (void) fprintf(stderr, " -d dataset(s)\n"); 123 (void) fprintf(stderr, " -i intent logs\n"); 124 (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 125 (void) fprintf(stderr, " -h pool history\n"); 126 (void) fprintf(stderr, " -b block statistics\n"); 127 (void) fprintf(stderr, " -m metaslabs\n"); 128 (void) fprintf(stderr, " -c checksum all metadata (twice for " 129 "all data) blocks\n"); 130 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 131 (void) fprintf(stderr, " -D dedup statistics\n"); 132 (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 133 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 134 (void) fprintf(stderr, " -l dump label contents\n"); 135 (void) fprintf(stderr, " -L disable leak tracking (do not " 136 "load spacemaps)\n"); 137 (void) fprintf(stderr, " -R read and display block from a " 138 "device\n\n"); 139 (void) fprintf(stderr, " Below options are intended for use " 140 "with other options (except -l):\n"); 141 (void) fprintf(stderr, " -A ignore assertions (-A), enable " 142 "panic recovery (-AA) or both (-AAA)\n"); 143 (void) fprintf(stderr, " -F attempt automatic rewind within " 144 "safe range of transaction groups\n"); 145 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 146 "cachefile\n"); 147 (void) fprintf(stderr, " -X attempt extreme rewind (does not " 148 "work with dataset)\n"); 149 (void) fprintf(stderr, " -e pool is exported/destroyed/" 150 "has altroot/not in a cachefile\n"); 151 (void) fprintf(stderr, " -p <path> -- use one or more with " 152 "-e to specify path to vdev dir\n"); 153 (void) fprintf(stderr, " -P print numbers parsable\n"); 154 (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 155 "searching for uberblocks\n"); 156 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 157 "to make only that option verbose\n"); 158 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 159 exit(1); 160 } 161 162 /* 163 * Called for usage errors that are discovered after a call to spa_open(), 164 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 165 */ 166 167 static void 168 fatal(const char *fmt, ...) 169 { 170 va_list ap; 171 172 va_start(ap, fmt); 173 (void) fprintf(stderr, "%s: ", cmdname); 174 (void) vfprintf(stderr, fmt, ap); 175 va_end(ap); 176 (void) fprintf(stderr, "\n"); 177 178 exit(1); 179 } 180 181 /* ARGSUSED */ 182 static void 183 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 184 { 185 nvlist_t *nv; 186 size_t nvsize = *(uint64_t *)data; 187 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 188 189 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 190 191 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 192 193 umem_free(packed, nvsize); 194 195 dump_nvlist(nv, 8); 196 197 nvlist_free(nv); 198 } 199 200 static void 201 zdb_nicenum(uint64_t num, char *buf) 202 { 203 if (dump_opt['P']) 204 (void) sprintf(buf, "%llu", (longlong_t)num); 205 else 206 nicenum(num, buf); 207 } 208 209 const char dump_zap_stars[] = "****************************************"; 210 const int dump_zap_width = sizeof (dump_zap_stars) - 1; 211 212 static void 213 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) 214 { 215 int i; 216 int minidx = ZAP_HISTOGRAM_SIZE - 1; 217 int maxidx = 0; 218 uint64_t max = 0; 219 220 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { 221 if (histo[i] > max) 222 max = histo[i]; 223 if (histo[i] > 0 && i > maxidx) 224 maxidx = i; 225 if (histo[i] > 0 && i < minidx) 226 minidx = i; 227 } 228 229 if (max < dump_zap_width) 230 max = dump_zap_width; 231 232 for (i = minidx; i <= maxidx; i++) 233 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], 234 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); 235 } 236 237 static void 238 dump_zap_stats(objset_t *os, uint64_t object) 239 { 240 int error; 241 zap_stats_t zs; 242 243 error = zap_get_stats(os, object, &zs); 244 if (error) 245 return; 246 247 if (zs.zs_ptrtbl_len == 0) { 248 ASSERT(zs.zs_num_blocks == 1); 249 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 250 (u_longlong_t)zs.zs_blocksize, 251 (u_longlong_t)zs.zs_num_entries); 252 return; 253 } 254 255 (void) printf("\tFat ZAP stats:\n"); 256 257 (void) printf("\t\tPointer table:\n"); 258 (void) printf("\t\t\t%llu elements\n", 259 (u_longlong_t)zs.zs_ptrtbl_len); 260 (void) printf("\t\t\tzt_blk: %llu\n", 261 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 262 (void) printf("\t\t\tzt_numblks: %llu\n", 263 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 264 (void) printf("\t\t\tzt_shift: %llu\n", 265 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 266 (void) printf("\t\t\tzt_blks_copied: %llu\n", 267 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 268 (void) printf("\t\t\tzt_nextblk: %llu\n", 269 (u_longlong_t)zs.zs_ptrtbl_nextblk); 270 271 (void) printf("\t\tZAP entries: %llu\n", 272 (u_longlong_t)zs.zs_num_entries); 273 (void) printf("\t\tLeaf blocks: %llu\n", 274 (u_longlong_t)zs.zs_num_leafs); 275 (void) printf("\t\tTotal blocks: %llu\n", 276 (u_longlong_t)zs.zs_num_blocks); 277 (void) printf("\t\tzap_block_type: 0x%llx\n", 278 (u_longlong_t)zs.zs_block_type); 279 (void) printf("\t\tzap_magic: 0x%llx\n", 280 (u_longlong_t)zs.zs_magic); 281 (void) printf("\t\tzap_salt: 0x%llx\n", 282 (u_longlong_t)zs.zs_salt); 283 284 (void) printf("\t\tLeafs with 2^n pointers:\n"); 285 dump_zap_histogram(zs.zs_leafs_with_2n_pointers); 286 287 (void) printf("\t\tBlocks with n*5 entries:\n"); 288 dump_zap_histogram(zs.zs_blocks_with_n5_entries); 289 290 (void) printf("\t\tBlocks n/10 full:\n"); 291 dump_zap_histogram(zs.zs_blocks_n_tenths_full); 292 293 (void) printf("\t\tEntries with n chunks:\n"); 294 dump_zap_histogram(zs.zs_entries_using_n_chunks); 295 296 (void) printf("\t\tBuckets with n entries:\n"); 297 dump_zap_histogram(zs.zs_buckets_with_n_entries); 298 } 299 300 /*ARGSUSED*/ 301 static void 302 dump_none(objset_t *os, uint64_t object, void *data, size_t size) 303 { 304 } 305 306 /*ARGSUSED*/ 307 static void 308 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 309 { 310 (void) printf("\tUNKNOWN OBJECT TYPE\n"); 311 } 312 313 /*ARGSUSED*/ 314 void 315 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 316 { 317 } 318 319 /*ARGSUSED*/ 320 static void 321 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 322 { 323 } 324 325 /*ARGSUSED*/ 326 static void 327 dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 328 { 329 zap_cursor_t zc; 330 zap_attribute_t attr; 331 void *prop; 332 int i; 333 334 dump_zap_stats(os, object); 335 (void) printf("\n"); 336 337 for (zap_cursor_init(&zc, os, object); 338 zap_cursor_retrieve(&zc, &attr) == 0; 339 zap_cursor_advance(&zc)) { 340 (void) printf("\t\t%s = ", attr.za_name); 341 if (attr.za_num_integers == 0) { 342 (void) printf("\n"); 343 continue; 344 } 345 prop = umem_zalloc(attr.za_num_integers * 346 attr.za_integer_length, UMEM_NOFAIL); 347 (void) zap_lookup(os, object, attr.za_name, 348 attr.za_integer_length, attr.za_num_integers, prop); 349 if (attr.za_integer_length == 1) { 350 (void) printf("%s", (char *)prop); 351 } else { 352 for (i = 0; i < attr.za_num_integers; i++) { 353 switch (attr.za_integer_length) { 354 case 2: 355 (void) printf("%u ", 356 ((uint16_t *)prop)[i]); 357 break; 358 case 4: 359 (void) printf("%u ", 360 ((uint32_t *)prop)[i]); 361 break; 362 case 8: 363 (void) printf("%lld ", 364 (u_longlong_t)((int64_t *)prop)[i]); 365 break; 366 } 367 } 368 } 369 (void) printf("\n"); 370 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 371 } 372 zap_cursor_fini(&zc); 373 } 374 375 /*ARGSUSED*/ 376 static void 377 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 378 { 379 dump_zap_stats(os, object); 380 /* contents are printed elsewhere, properly decoded */ 381 } 382 383 /*ARGSUSED*/ 384 static void 385 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size) 386 { 387 zap_cursor_t zc; 388 zap_attribute_t attr; 389 390 dump_zap_stats(os, object); 391 (void) printf("\n"); 392 393 for (zap_cursor_init(&zc, os, object); 394 zap_cursor_retrieve(&zc, &attr) == 0; 395 zap_cursor_advance(&zc)) { 396 (void) printf("\t\t%s = ", attr.za_name); 397 if (attr.za_num_integers == 0) { 398 (void) printf("\n"); 399 continue; 400 } 401 (void) printf(" %llx : [%d:%d:%d]\n", 402 (u_longlong_t)attr.za_first_integer, 403 (int)ATTR_LENGTH(attr.za_first_integer), 404 (int)ATTR_BSWAP(attr.za_first_integer), 405 (int)ATTR_NUM(attr.za_first_integer)); 406 } 407 zap_cursor_fini(&zc); 408 } 409 410 /*ARGSUSED*/ 411 static void 412 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size) 413 { 414 zap_cursor_t zc; 415 zap_attribute_t attr; 416 uint16_t *layout_attrs; 417 int i; 418 419 dump_zap_stats(os, object); 420 (void) printf("\n"); 421 422 for (zap_cursor_init(&zc, os, object); 423 zap_cursor_retrieve(&zc, &attr) == 0; 424 zap_cursor_advance(&zc)) { 425 (void) printf("\t\t%s = [", attr.za_name); 426 if (attr.za_num_integers == 0) { 427 (void) printf("\n"); 428 continue; 429 } 430 431 VERIFY(attr.za_integer_length == 2); 432 layout_attrs = umem_zalloc(attr.za_num_integers * 433 attr.za_integer_length, UMEM_NOFAIL); 434 435 VERIFY(zap_lookup(os, object, attr.za_name, 436 attr.za_integer_length, 437 attr.za_num_integers, layout_attrs) == 0); 438 439 for (i = 0; i != attr.za_num_integers; i++) 440 (void) printf(" %d ", (int)layout_attrs[i]); 441 (void) printf("]\n"); 442 umem_free(layout_attrs, 443 attr.za_num_integers * attr.za_integer_length); 444 } 445 zap_cursor_fini(&zc); 446 } 447 448 /*ARGSUSED*/ 449 static void 450 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 451 { 452 zap_cursor_t zc; 453 zap_attribute_t attr; 454 const char *typenames[] = { 455 /* 0 */ "not specified", 456 /* 1 */ "FIFO", 457 /* 2 */ "Character Device", 458 /* 3 */ "3 (invalid)", 459 /* 4 */ "Directory", 460 /* 5 */ "5 (invalid)", 461 /* 6 */ "Block Device", 462 /* 7 */ "7 (invalid)", 463 /* 8 */ "Regular File", 464 /* 9 */ "9 (invalid)", 465 /* 10 */ "Symbolic Link", 466 /* 11 */ "11 (invalid)", 467 /* 12 */ "Socket", 468 /* 13 */ "Door", 469 /* 14 */ "Event Port", 470 /* 15 */ "15 (invalid)", 471 }; 472 473 dump_zap_stats(os, object); 474 (void) printf("\n"); 475 476 for (zap_cursor_init(&zc, os, object); 477 zap_cursor_retrieve(&zc, &attr) == 0; 478 zap_cursor_advance(&zc)) { 479 (void) printf("\t\t%s = %lld (type: %s)\n", 480 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 481 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 482 } 483 zap_cursor_fini(&zc); 484 } 485 486 static void 487 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 488 { 489 uint64_t alloc, offset, entry; 490 uint8_t mapshift = sm->sm_shift; 491 uint64_t mapstart = sm->sm_start; 492 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 493 "INVALID", "INVALID", "INVALID", "INVALID" }; 494 495 if (smo->smo_object == 0) 496 return; 497 498 /* 499 * Print out the freelist entries in both encoded and decoded form. 500 */ 501 alloc = 0; 502 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 503 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset, 504 sizeof (entry), &entry, DMU_READ_PREFETCH)); 505 if (SM_DEBUG_DECODE(entry)) { 506 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 507 (u_longlong_t)(offset / sizeof (entry)), 508 ddata[SM_DEBUG_ACTION_DECODE(entry)], 509 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 510 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 511 } else { 512 (void) printf("\t [%6llu] %c range:" 513 " %010llx-%010llx size: %06llx\n", 514 (u_longlong_t)(offset / sizeof (entry)), 515 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 516 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 517 mapshift) + mapstart), 518 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 519 mapshift) + mapstart + (SM_RUN_DECODE(entry) << 520 mapshift)), 521 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 522 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 523 alloc += SM_RUN_DECODE(entry) << mapshift; 524 else 525 alloc -= SM_RUN_DECODE(entry) << mapshift; 526 } 527 } 528 if (alloc != smo->smo_alloc) { 529 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 530 "with space map summary (%llu)\n", 531 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 532 } 533 } 534 535 static void 536 dump_metaslab_stats(metaslab_t *msp) 537 { 538 char maxbuf[32]; 539 space_map_t *sm = &msp->ms_map; 540 avl_tree_t *t = sm->sm_pp_root; 541 int free_pct = sm->sm_space * 100 / sm->sm_size; 542 543 zdb_nicenum(space_map_maxsize(sm), maxbuf); 544 545 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 546 "segments", avl_numnodes(t), "maxsize", maxbuf, 547 "freepct", free_pct); 548 } 549 550 static void 551 dump_metaslab(metaslab_t *msp) 552 { 553 vdev_t *vd = msp->ms_group->mg_vd; 554 spa_t *spa = vd->vdev_spa; 555 space_map_t *sm = &msp->ms_map; 556 space_map_obj_t *smo = &msp->ms_smo; 557 char freebuf[32]; 558 559 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf); 560 561 (void) printf( 562 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 563 (u_longlong_t)(sm->sm_start / sm->sm_size), 564 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf); 565 566 if (dump_opt['m'] > 1 && !dump_opt['L']) { 567 mutex_enter(&msp->ms_lock); 568 space_map_load_wait(sm); 569 if (!sm->sm_loaded) 570 VERIFY(space_map_load(sm, zfs_metaslab_ops, 571 SM_FREE, smo, spa->spa_meta_objset) == 0); 572 dump_metaslab_stats(msp); 573 space_map_unload(sm); 574 mutex_exit(&msp->ms_lock); 575 } 576 577 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { 578 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift)); 579 580 mutex_enter(&msp->ms_lock); 581 dump_spacemap(spa->spa_meta_objset, smo, sm); 582 mutex_exit(&msp->ms_lock); 583 } 584 } 585 586 static void 587 print_vdev_metaslab_header(vdev_t *vd) 588 { 589 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 590 (u_longlong_t)vd->vdev_id, 591 "metaslabs", (u_longlong_t)vd->vdev_ms_count, 592 "offset", "spacemap", "free"); 593 (void) printf("\t%15s %19s %15s %10s\n", 594 "---------------", "-------------------", 595 "---------------", "-------------"); 596 } 597 598 static void 599 dump_metaslabs(spa_t *spa) 600 { 601 vdev_t *vd, *rvd = spa->spa_root_vdev; 602 uint64_t m, c = 0, children = rvd->vdev_children; 603 604 (void) printf("\nMetaslabs:\n"); 605 606 if (!dump_opt['d'] && zopt_objects > 0) { 607 c = zopt_object[0]; 608 609 if (c >= children) 610 (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 611 612 if (zopt_objects > 1) { 613 vd = rvd->vdev_child[c]; 614 print_vdev_metaslab_header(vd); 615 616 for (m = 1; m < zopt_objects; m++) { 617 if (zopt_object[m] < vd->vdev_ms_count) 618 dump_metaslab( 619 vd->vdev_ms[zopt_object[m]]); 620 else 621 (void) fprintf(stderr, "bad metaslab " 622 "number %llu\n", 623 (u_longlong_t)zopt_object[m]); 624 } 625 (void) printf("\n"); 626 return; 627 } 628 children = c + 1; 629 } 630 for (; c < children; c++) { 631 vd = rvd->vdev_child[c]; 632 print_vdev_metaslab_header(vd); 633 634 for (m = 0; m < vd->vdev_ms_count; m++) 635 dump_metaslab(vd->vdev_ms[m]); 636 (void) printf("\n"); 637 } 638 } 639 640 static void 641 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 642 { 643 const ddt_phys_t *ddp = dde->dde_phys; 644 const ddt_key_t *ddk = &dde->dde_key; 645 char *types[4] = { "ditto", "single", "double", "triple" }; 646 char blkbuf[BP_SPRINTF_LEN]; 647 blkptr_t blk; 648 649 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 650 if (ddp->ddp_phys_birth == 0) 651 continue; 652 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 653 sprintf_blkptr(blkbuf, &blk); 654 (void) printf("index %llx refcnt %llu %s %s\n", 655 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 656 types[p], blkbuf); 657 } 658 } 659 660 static void 661 dump_dedup_ratio(const ddt_stat_t *dds) 662 { 663 double rL, rP, rD, D, dedup, compress, copies; 664 665 if (dds->dds_blocks == 0) 666 return; 667 668 rL = (double)dds->dds_ref_lsize; 669 rP = (double)dds->dds_ref_psize; 670 rD = (double)dds->dds_ref_dsize; 671 D = (double)dds->dds_dsize; 672 673 dedup = rD / D; 674 compress = rL / rP; 675 copies = rD / rP; 676 677 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 678 "dedup * compress / copies = %.2f\n\n", 679 dedup, compress, copies, dedup * compress / copies); 680 } 681 682 static void 683 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 684 { 685 char name[DDT_NAMELEN]; 686 ddt_entry_t dde; 687 uint64_t walk = 0; 688 dmu_object_info_t doi; 689 uint64_t count, dspace, mspace; 690 int error; 691 692 error = ddt_object_info(ddt, type, class, &doi); 693 694 if (error == ENOENT) 695 return; 696 ASSERT(error == 0); 697 698 count = ddt_object_count(ddt, type, class); 699 dspace = doi.doi_physical_blocks_512 << 9; 700 mspace = doi.doi_fill_count * doi.doi_data_block_size; 701 702 ASSERT(count != 0); /* we should have destroyed it */ 703 704 ddt_object_name(ddt, type, class, name); 705 706 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 707 name, 708 (u_longlong_t)count, 709 (u_longlong_t)(dspace / count), 710 (u_longlong_t)(mspace / count)); 711 712 if (dump_opt['D'] < 3) 713 return; 714 715 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 716 717 if (dump_opt['D'] < 4) 718 return; 719 720 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 721 return; 722 723 (void) printf("%s contents:\n\n", name); 724 725 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 726 dump_dde(ddt, &dde, walk); 727 728 ASSERT(error == ENOENT); 729 730 (void) printf("\n"); 731 } 732 733 static void 734 dump_all_ddts(spa_t *spa) 735 { 736 ddt_histogram_t ddh_total = { 0 }; 737 ddt_stat_t dds_total = { 0 }; 738 739 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 740 ddt_t *ddt = spa->spa_ddt[c]; 741 for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 742 for (enum ddt_class class = 0; class < DDT_CLASSES; 743 class++) { 744 dump_ddt(ddt, type, class); 745 } 746 } 747 } 748 749 ddt_get_dedup_stats(spa, &dds_total); 750 751 if (dds_total.dds_blocks == 0) { 752 (void) printf("All DDTs are empty\n"); 753 return; 754 } 755 756 (void) printf("\n"); 757 758 if (dump_opt['D'] > 1) { 759 (void) printf("DDT histogram (aggregated over all DDTs):\n"); 760 ddt_get_dedup_histogram(spa, &ddh_total); 761 zpool_dump_ddt(&dds_total, &ddh_total); 762 } 763 764 dump_dedup_ratio(&dds_total); 765 } 766 767 static void 768 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) 769 { 770 char *prefix = (void *)sm; 771 772 (void) printf("%s [%llu,%llu) length %llu\n", 773 prefix, 774 (u_longlong_t)start, 775 (u_longlong_t)(start + size), 776 (u_longlong_t)(size)); 777 } 778 779 static void 780 dump_dtl(vdev_t *vd, int indent) 781 { 782 spa_t *spa = vd->vdev_spa; 783 boolean_t required; 784 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 785 char prefix[256]; 786 787 spa_vdev_state_enter(spa, SCL_NONE); 788 required = vdev_dtl_required(vd); 789 (void) spa_vdev_state_exit(spa, NULL, 0); 790 791 if (indent == 0) 792 (void) printf("\nDirty time logs:\n\n"); 793 794 (void) printf("\t%*s%s [%s]\n", indent, "", 795 vd->vdev_path ? vd->vdev_path : 796 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 797 required ? "DTL-required" : "DTL-expendable"); 798 799 for (int t = 0; t < DTL_TYPES; t++) { 800 space_map_t *sm = &vd->vdev_dtl[t]; 801 if (sm->sm_space == 0) 802 continue; 803 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 804 indent + 2, "", name[t]); 805 mutex_enter(sm->sm_lock); 806 space_map_walk(sm, dump_dtl_seg, (void *)prefix); 807 mutex_exit(sm->sm_lock); 808 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 809 dump_spacemap(spa->spa_meta_objset, 810 &vd->vdev_dtl_smo, sm); 811 } 812 813 for (int c = 0; c < vd->vdev_children; c++) 814 dump_dtl(vd->vdev_child[c], indent + 4); 815 } 816 817 static void 818 dump_history(spa_t *spa) 819 { 820 nvlist_t **events = NULL; 821 char buf[SPA_MAXBLOCKSIZE]; 822 uint64_t resid, len, off = 0; 823 uint_t num = 0; 824 int error; 825 time_t tsec; 826 struct tm t; 827 char tbuf[30]; 828 char internalstr[MAXPATHLEN]; 829 830 do { 831 len = sizeof (buf); 832 833 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 834 (void) fprintf(stderr, "Unable to read history: " 835 "error %d\n", error); 836 return; 837 } 838 839 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 840 break; 841 842 off -= resid; 843 } while (len != 0); 844 845 (void) printf("\nHistory:\n"); 846 for (int i = 0; i < num; i++) { 847 uint64_t time, txg, ievent; 848 char *cmd, *intstr; 849 850 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 851 &time) != 0) 852 continue; 853 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 854 &cmd) != 0) { 855 if (nvlist_lookup_uint64(events[i], 856 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 857 continue; 858 verify(nvlist_lookup_uint64(events[i], 859 ZPOOL_HIST_TXG, &txg) == 0); 860 verify(nvlist_lookup_string(events[i], 861 ZPOOL_HIST_INT_STR, &intstr) == 0); 862 if (ievent >= LOG_END) 863 continue; 864 865 (void) snprintf(internalstr, 866 sizeof (internalstr), 867 "[internal %s txg:%lld] %s", 868 zfs_history_event_names[ievent], txg, 869 intstr); 870 cmd = internalstr; 871 } 872 tsec = time; 873 (void) localtime_r(&tsec, &t); 874 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 875 (void) printf("%s %s\n", tbuf, cmd); 876 } 877 } 878 879 /*ARGSUSED*/ 880 static void 881 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 882 { 883 } 884 885 static uint64_t 886 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb) 887 { 888 if (dnp == NULL) { 889 ASSERT(zb->zb_level < 0); 890 if (zb->zb_object == 0) 891 return (zb->zb_blkid); 892 return (zb->zb_blkid * BP_GET_LSIZE(bp)); 893 } 894 895 ASSERT(zb->zb_level >= 0); 896 897 return ((zb->zb_blkid << 898 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 899 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 900 } 901 902 static void 903 sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp) 904 { 905 dva_t *dva = bp->blk_dva; 906 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 907 908 if (dump_opt['b'] >= 5) { 909 sprintf_blkptr(blkbuf, bp); 910 return; 911 } 912 913 blkbuf[0] = '\0'; 914 915 for (int i = 0; i < ndvas; i++) 916 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", 917 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 918 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 919 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 920 921 (void) sprintf(blkbuf + strlen(blkbuf), 922 "%llxL/%llxP F=%llu B=%llu/%llu", 923 (u_longlong_t)BP_GET_LSIZE(bp), 924 (u_longlong_t)BP_GET_PSIZE(bp), 925 (u_longlong_t)bp->blk_fill, 926 (u_longlong_t)bp->blk_birth, 927 (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 928 } 929 930 static void 931 print_indirect(blkptr_t *bp, const zbookmark_t *zb, 932 const dnode_phys_t *dnp) 933 { 934 char blkbuf[BP_SPRINTF_LEN]; 935 int l; 936 937 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 938 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 939 940 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 941 942 ASSERT(zb->zb_level >= 0); 943 944 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 945 if (l == zb->zb_level) { 946 (void) printf("L%llx", (u_longlong_t)zb->zb_level); 947 } else { 948 (void) printf(" "); 949 } 950 } 951 952 sprintf_blkptr_compact(blkbuf, bp); 953 (void) printf("%s\n", blkbuf); 954 } 955 956 static int 957 visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 958 blkptr_t *bp, const zbookmark_t *zb) 959 { 960 int err = 0; 961 962 if (bp->blk_birth == 0) 963 return (0); 964 965 print_indirect(bp, zb, dnp); 966 967 if (BP_GET_LEVEL(bp) > 0) { 968 uint32_t flags = ARC_WAIT; 969 int i; 970 blkptr_t *cbp; 971 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 972 arc_buf_t *buf; 973 uint64_t fill = 0; 974 975 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf, 976 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 977 if (err) 978 return (err); 979 ASSERT(buf->b_data); 980 981 /* recursively visit blocks below this */ 982 cbp = buf->b_data; 983 for (i = 0; i < epb; i++, cbp++) { 984 zbookmark_t czb; 985 986 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 987 zb->zb_level - 1, 988 zb->zb_blkid * epb + i); 989 err = visit_indirect(spa, dnp, cbp, &czb); 990 if (err) 991 break; 992 fill += cbp->blk_fill; 993 } 994 if (!err) 995 ASSERT3U(fill, ==, bp->blk_fill); 996 (void) arc_buf_remove_ref(buf, &buf); 997 } 998 999 return (err); 1000 } 1001 1002 /*ARGSUSED*/ 1003 static void 1004 dump_indirect(dnode_t *dn) 1005 { 1006 dnode_phys_t *dnp = dn->dn_phys; 1007 int j; 1008 zbookmark_t czb; 1009 1010 (void) printf("Indirect blocks:\n"); 1011 1012 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 1013 dn->dn_object, dnp->dn_nlevels - 1, 0); 1014 for (j = 0; j < dnp->dn_nblkptr; j++) { 1015 czb.zb_blkid = j; 1016 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 1017 &dnp->dn_blkptr[j], &czb); 1018 } 1019 1020 (void) printf("\n"); 1021 } 1022 1023 /*ARGSUSED*/ 1024 static void 1025 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 1026 { 1027 dsl_dir_phys_t *dd = data; 1028 time_t crtime; 1029 char nice[32]; 1030 1031 if (dd == NULL) 1032 return; 1033 1034 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 1035 1036 crtime = dd->dd_creation_time; 1037 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1038 (void) printf("\t\thead_dataset_obj = %llu\n", 1039 (u_longlong_t)dd->dd_head_dataset_obj); 1040 (void) printf("\t\tparent_dir_obj = %llu\n", 1041 (u_longlong_t)dd->dd_parent_obj); 1042 (void) printf("\t\torigin_obj = %llu\n", 1043 (u_longlong_t)dd->dd_origin_obj); 1044 (void) printf("\t\tchild_dir_zapobj = %llu\n", 1045 (u_longlong_t)dd->dd_child_dir_zapobj); 1046 zdb_nicenum(dd->dd_used_bytes, nice); 1047 (void) printf("\t\tused_bytes = %s\n", nice); 1048 zdb_nicenum(dd->dd_compressed_bytes, nice); 1049 (void) printf("\t\tcompressed_bytes = %s\n", nice); 1050 zdb_nicenum(dd->dd_uncompressed_bytes, nice); 1051 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 1052 zdb_nicenum(dd->dd_quota, nice); 1053 (void) printf("\t\tquota = %s\n", nice); 1054 zdb_nicenum(dd->dd_reserved, nice); 1055 (void) printf("\t\treserved = %s\n", nice); 1056 (void) printf("\t\tprops_zapobj = %llu\n", 1057 (u_longlong_t)dd->dd_props_zapobj); 1058 (void) printf("\t\tdeleg_zapobj = %llu\n", 1059 (u_longlong_t)dd->dd_deleg_zapobj); 1060 (void) printf("\t\tflags = %llx\n", 1061 (u_longlong_t)dd->dd_flags); 1062 1063 #define DO(which) \ 1064 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 1065 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 1066 DO(HEAD); 1067 DO(SNAP); 1068 DO(CHILD); 1069 DO(CHILD_RSRV); 1070 DO(REFRSRV); 1071 #undef DO 1072 } 1073 1074 /*ARGSUSED*/ 1075 static void 1076 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 1077 { 1078 dsl_dataset_phys_t *ds = data; 1079 time_t crtime; 1080 char used[32], compressed[32], uncompressed[32], unique[32]; 1081 char blkbuf[BP_SPRINTF_LEN]; 1082 1083 if (ds == NULL) 1084 return; 1085 1086 ASSERT(size == sizeof (*ds)); 1087 crtime = ds->ds_creation_time; 1088 zdb_nicenum(ds->ds_used_bytes, used); 1089 zdb_nicenum(ds->ds_compressed_bytes, compressed); 1090 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed); 1091 zdb_nicenum(ds->ds_unique_bytes, unique); 1092 sprintf_blkptr(blkbuf, &ds->ds_bp); 1093 1094 (void) printf("\t\tdir_obj = %llu\n", 1095 (u_longlong_t)ds->ds_dir_obj); 1096 (void) printf("\t\tprev_snap_obj = %llu\n", 1097 (u_longlong_t)ds->ds_prev_snap_obj); 1098 (void) printf("\t\tprev_snap_txg = %llu\n", 1099 (u_longlong_t)ds->ds_prev_snap_txg); 1100 (void) printf("\t\tnext_snap_obj = %llu\n", 1101 (u_longlong_t)ds->ds_next_snap_obj); 1102 (void) printf("\t\tsnapnames_zapobj = %llu\n", 1103 (u_longlong_t)ds->ds_snapnames_zapobj); 1104 (void) printf("\t\tnum_children = %llu\n", 1105 (u_longlong_t)ds->ds_num_children); 1106 (void) printf("\t\tuserrefs_obj = %llu\n", 1107 (u_longlong_t)ds->ds_userrefs_obj); 1108 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1109 (void) printf("\t\tcreation_txg = %llu\n", 1110 (u_longlong_t)ds->ds_creation_txg); 1111 (void) printf("\t\tdeadlist_obj = %llu\n", 1112 (u_longlong_t)ds->ds_deadlist_obj); 1113 (void) printf("\t\tused_bytes = %s\n", used); 1114 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1115 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1116 (void) printf("\t\tunique = %s\n", unique); 1117 (void) printf("\t\tfsid_guid = %llu\n", 1118 (u_longlong_t)ds->ds_fsid_guid); 1119 (void) printf("\t\tguid = %llu\n", 1120 (u_longlong_t)ds->ds_guid); 1121 (void) printf("\t\tflags = %llx\n", 1122 (u_longlong_t)ds->ds_flags); 1123 (void) printf("\t\tnext_clones_obj = %llu\n", 1124 (u_longlong_t)ds->ds_next_clones_obj); 1125 (void) printf("\t\tprops_obj = %llu\n", 1126 (u_longlong_t)ds->ds_props_obj); 1127 (void) printf("\t\tbp = %s\n", blkbuf); 1128 } 1129 1130 static void 1131 dump_bplist(objset_t *mos, uint64_t object, char *name) 1132 { 1133 bplist_t bpl = { 0 }; 1134 blkptr_t blk, *bp = &blk; 1135 uint64_t itor = 0; 1136 char bytes[32]; 1137 char comp[32]; 1138 char uncomp[32]; 1139 1140 if (dump_opt['d'] < 3) 1141 return; 1142 1143 bplist_init(&bpl); 1144 VERIFY(0 == bplist_open(&bpl, mos, object)); 1145 if (bplist_empty(&bpl)) { 1146 bplist_close(&bpl); 1147 bplist_fini(&bpl); 1148 return; 1149 } 1150 1151 zdb_nicenum(bpl.bpl_phys->bpl_bytes, bytes); 1152 if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) { 1153 zdb_nicenum(bpl.bpl_phys->bpl_comp, comp); 1154 zdb_nicenum(bpl.bpl_phys->bpl_uncomp, uncomp); 1155 (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n", 1156 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, 1157 bytes, comp, uncomp); 1158 } else { 1159 (void) printf("\n %s: %llu entries, %s\n", 1160 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes); 1161 } 1162 1163 if (dump_opt['d'] < 5) { 1164 bplist_close(&bpl); 1165 bplist_fini(&bpl); 1166 return; 1167 } 1168 1169 (void) printf("\n"); 1170 1171 while (bplist_iterate(&bpl, &itor, bp) == 0) { 1172 char blkbuf[BP_SPRINTF_LEN]; 1173 1174 ASSERT(bp->blk_birth != 0); 1175 sprintf_blkptr_compact(blkbuf, bp); 1176 (void) printf("\tItem %3llu: %s\n", 1177 (u_longlong_t)itor - 1, blkbuf); 1178 } 1179 1180 bplist_close(&bpl); 1181 bplist_fini(&bpl); 1182 } 1183 1184 static avl_tree_t idx_tree; 1185 static avl_tree_t domain_tree; 1186 static boolean_t fuid_table_loaded; 1187 static boolean_t sa_loaded; 1188 sa_attr_type_t *sa_attr_table; 1189 1190 static void 1191 fuid_table_destroy() 1192 { 1193 if (fuid_table_loaded) { 1194 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1195 fuid_table_loaded = B_FALSE; 1196 } 1197 } 1198 1199 /* 1200 * print uid or gid information. 1201 * For normal POSIX id just the id is printed in decimal format. 1202 * For CIFS files with FUID the fuid is printed in hex followed by 1203 * the doman-rid string. 1204 */ 1205 static void 1206 print_idstr(uint64_t id, const char *id_type) 1207 { 1208 if (FUID_INDEX(id)) { 1209 char *domain; 1210 1211 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1212 (void) printf("\t%s %llx [%s-%d]\n", id_type, 1213 (u_longlong_t)id, domain, (int)FUID_RID(id)); 1214 } else { 1215 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1216 } 1217 1218 } 1219 1220 static void 1221 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid) 1222 { 1223 uint32_t uid_idx, gid_idx; 1224 1225 uid_idx = FUID_INDEX(uid); 1226 gid_idx = FUID_INDEX(gid); 1227 1228 /* Load domain table, if not already loaded */ 1229 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1230 uint64_t fuid_obj; 1231 1232 /* first find the fuid object. It lives in the master node */ 1233 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1234 8, 1, &fuid_obj) == 0); 1235 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1236 (void) zfs_fuid_table_load(os, fuid_obj, 1237 &idx_tree, &domain_tree); 1238 fuid_table_loaded = B_TRUE; 1239 } 1240 1241 print_idstr(uid, "uid"); 1242 print_idstr(gid, "gid"); 1243 } 1244 1245 /*ARGSUSED*/ 1246 static void 1247 dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1248 { 1249 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 1250 sa_handle_t *hdl; 1251 uint64_t xattr, rdev, gen; 1252 uint64_t uid, gid, mode, fsize, parent, links; 1253 uint64_t pflags; 1254 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2]; 1255 time_t z_crtime, z_atime, z_mtime, z_ctime; 1256 sa_bulk_attr_t bulk[12]; 1257 int idx = 0; 1258 int error; 1259 1260 if (!sa_loaded) { 1261 uint64_t sa_attrs = 0; 1262 uint64_t version; 1263 1264 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR, 1265 8, 1, &version) == 0); 1266 if (version >= ZPL_VERSION_SA) { 1267 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 1268 8, 1, &sa_attrs) == 0); 1269 } 1270 sa_attr_table = sa_setup(os, sa_attrs, 1271 zfs_attr_table, ZPL_END); 1272 sa_loaded = B_TRUE; 1273 } 1274 1275 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) { 1276 (void) printf("Failed to get handle for SA znode\n"); 1277 return; 1278 } 1279 1280 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8); 1281 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8); 1282 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL, 1283 &links, 8); 1284 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8); 1285 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL, 1286 &mode, 8); 1287 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT], 1288 NULL, &parent, 8); 1289 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL, 1290 &fsize, 8); 1291 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL, 1292 acctm, 16); 1293 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL, 1294 modtm, 16); 1295 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL, 1296 crtm, 16); 1297 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL, 1298 chgtm, 16); 1299 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL, 1300 &pflags, 8); 1301 1302 if (sa_bulk_lookup(hdl, bulk, idx)) { 1303 (void) sa_handle_destroy(hdl); 1304 return; 1305 } 1306 1307 error = zfs_obj_to_path(os, object, path, sizeof (path)); 1308 if (error != 0) { 1309 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 1310 (u_longlong_t)object); 1311 } 1312 if (dump_opt['d'] < 3) { 1313 (void) printf("\t%s\n", path); 1314 (void) sa_handle_destroy(hdl); 1315 return; 1316 } 1317 1318 z_crtime = (time_t)crtm[0]; 1319 z_atime = (time_t)acctm[0]; 1320 z_mtime = (time_t)modtm[0]; 1321 z_ctime = (time_t)chgtm[0]; 1322 1323 (void) printf("\tpath %s\n", path); 1324 dump_uidgid(os, uid, gid); 1325 (void) printf("\tatime %s", ctime(&z_atime)); 1326 (void) printf("\tmtime %s", ctime(&z_mtime)); 1327 (void) printf("\tctime %s", ctime(&z_ctime)); 1328 (void) printf("\tcrtime %s", ctime(&z_crtime)); 1329 (void) printf("\tgen %llu\n", (u_longlong_t)gen); 1330 (void) printf("\tmode %llo\n", (u_longlong_t)mode); 1331 (void) printf("\tsize %llu\n", (u_longlong_t)fsize); 1332 (void) printf("\tparent %llu\n", (u_longlong_t)parent); 1333 (void) printf("\tlinks %llu\n", (u_longlong_t)links); 1334 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags); 1335 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr, 1336 sizeof (uint64_t)) == 0) 1337 (void) printf("\txattr %llu\n", (u_longlong_t)xattr); 1338 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev, 1339 sizeof (uint64_t)) == 0) 1340 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev); 1341 sa_handle_destroy(hdl); 1342 } 1343 1344 /*ARGSUSED*/ 1345 static void 1346 dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1347 { 1348 } 1349 1350 /*ARGSUSED*/ 1351 static void 1352 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1353 { 1354 } 1355 1356 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1357 dump_none, /* unallocated */ 1358 dump_zap, /* object directory */ 1359 dump_uint64, /* object array */ 1360 dump_none, /* packed nvlist */ 1361 dump_packed_nvlist, /* packed nvlist size */ 1362 dump_none, /* bplist */ 1363 dump_none, /* bplist header */ 1364 dump_none, /* SPA space map header */ 1365 dump_none, /* SPA space map */ 1366 dump_none, /* ZIL intent log */ 1367 dump_dnode, /* DMU dnode */ 1368 dump_dmu_objset, /* DMU objset */ 1369 dump_dsl_dir, /* DSL directory */ 1370 dump_zap, /* DSL directory child map */ 1371 dump_zap, /* DSL dataset snap map */ 1372 dump_zap, /* DSL props */ 1373 dump_dsl_dataset, /* DSL dataset */ 1374 dump_znode, /* ZFS znode */ 1375 dump_acl, /* ZFS V0 ACL */ 1376 dump_uint8, /* ZFS plain file */ 1377 dump_zpldir, /* ZFS directory */ 1378 dump_zap, /* ZFS master node */ 1379 dump_zap, /* ZFS delete queue */ 1380 dump_uint8, /* zvol object */ 1381 dump_zap, /* zvol prop */ 1382 dump_uint8, /* other uint8[] */ 1383 dump_uint64, /* other uint64[] */ 1384 dump_zap, /* other ZAP */ 1385 dump_zap, /* persistent error log */ 1386 dump_uint8, /* SPA history */ 1387 dump_uint64, /* SPA history offsets */ 1388 dump_zap, /* Pool properties */ 1389 dump_zap, /* DSL permissions */ 1390 dump_acl, /* ZFS ACL */ 1391 dump_uint8, /* ZFS SYSACL */ 1392 dump_none, /* FUID nvlist */ 1393 dump_packed_nvlist, /* FUID nvlist size */ 1394 dump_zap, /* DSL dataset next clones */ 1395 dump_zap, /* DSL scrub queue */ 1396 dump_zap, /* ZFS user/group used */ 1397 dump_zap, /* ZFS user/group quota */ 1398 dump_zap, /* snapshot refcount tags */ 1399 dump_ddt_zap, /* DDT ZAP object */ 1400 dump_zap, /* DDT statistics */ 1401 dump_znode, /* SA object */ 1402 dump_zap, /* SA Master Node */ 1403 dump_sa_attrs, /* SA attribute registration */ 1404 dump_sa_layouts, /* SA attribute layouts */ 1405 dump_zap, /* DSL scrub translations */ 1406 dump_none, /* fake dedup BP */ 1407 dump_unknown, /* Unknown type, must be last */ 1408 }; 1409 1410 static void 1411 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1412 { 1413 dmu_buf_t *db = NULL; 1414 dmu_object_info_t doi; 1415 dnode_t *dn; 1416 void *bonus = NULL; 1417 size_t bsize = 0; 1418 char iblk[32], dblk[32], lsize[32], asize[32], fill[32]; 1419 char bonus_size[32]; 1420 char aux[50]; 1421 int error; 1422 1423 if (*print_header) { 1424 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 1425 "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 1426 "%full", "type"); 1427 *print_header = 0; 1428 } 1429 1430 if (object == 0) { 1431 dn = os->os_meta_dnode; 1432 } else { 1433 error = dmu_bonus_hold(os, object, FTAG, &db); 1434 if (error) 1435 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1436 object, error); 1437 bonus = db->db_data; 1438 bsize = db->db_size; 1439 dn = ((dmu_buf_impl_t *)db)->db_dnode; 1440 } 1441 dmu_object_info_from_dnode(dn, &doi); 1442 1443 zdb_nicenum(doi.doi_metadata_block_size, iblk); 1444 zdb_nicenum(doi.doi_data_block_size, dblk); 1445 zdb_nicenum(doi.doi_max_offset, lsize); 1446 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize); 1447 zdb_nicenum(doi.doi_bonus_size, bonus_size); 1448 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 1449 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 1450 doi.doi_max_offset); 1451 1452 aux[0] = '\0'; 1453 1454 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1455 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1456 ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1457 } 1458 1459 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1460 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1461 ZDB_COMPRESS_NAME(doi.doi_compress)); 1462 } 1463 1464 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 1465 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 1466 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 1467 1468 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1469 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 1470 "", "", "", "", "", bonus_size, "bonus", 1471 ZDB_OT_NAME(doi.doi_bonus_type)); 1472 } 1473 1474 if (verbosity >= 4) { 1475 (void) printf("\tdnode flags: %s%s%s\n", 1476 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1477 "USED_BYTES " : "", 1478 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1479 "USERUSED_ACCOUNTED " : "", 1480 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? 1481 "SPILL_BLKPTR" : ""); 1482 (void) printf("\tdnode maxblkid: %llu\n", 1483 (longlong_t)dn->dn_phys->dn_maxblkid); 1484 1485 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 1486 bonus, bsize); 1487 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1488 *print_header = 1; 1489 } 1490 1491 if (verbosity >= 5) 1492 dump_indirect(dn); 1493 1494 if (verbosity >= 5) { 1495 /* 1496 * Report the list of segments that comprise the object. 1497 */ 1498 uint64_t start = 0; 1499 uint64_t end; 1500 uint64_t blkfill = 1; 1501 int minlvl = 1; 1502 1503 if (dn->dn_type == DMU_OT_DNODE) { 1504 minlvl = 0; 1505 blkfill = DNODES_PER_BLOCK; 1506 } 1507 1508 for (;;) { 1509 char segsize[32]; 1510 error = dnode_next_offset(dn, 1511 0, &start, minlvl, blkfill, 0); 1512 if (error) 1513 break; 1514 end = start; 1515 error = dnode_next_offset(dn, 1516 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1517 zdb_nicenum(end - start, segsize); 1518 (void) printf("\t\tsegment [%016llx, %016llx)" 1519 " size %5s\n", (u_longlong_t)start, 1520 (u_longlong_t)end, segsize); 1521 if (error) 1522 break; 1523 start = end; 1524 } 1525 } 1526 1527 if (db != NULL) 1528 dmu_buf_rele(db, FTAG); 1529 } 1530 1531 static char *objset_types[DMU_OST_NUMTYPES] = { 1532 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1533 1534 static void 1535 dump_dir(objset_t *os) 1536 { 1537 dmu_objset_stats_t dds; 1538 uint64_t object, object_count; 1539 uint64_t refdbytes, usedobjs, scratch; 1540 char numbuf[32]; 1541 char blkbuf[BP_SPRINTF_LEN + 20]; 1542 char osname[MAXNAMELEN]; 1543 char *type = "UNKNOWN"; 1544 int verbosity = dump_opt['d']; 1545 int print_header = 1; 1546 int i, error; 1547 1548 dmu_objset_fast_stat(os, &dds); 1549 1550 if (dds.dds_type < DMU_OST_NUMTYPES) 1551 type = objset_types[dds.dds_type]; 1552 1553 if (dds.dds_type == DMU_OST_META) { 1554 dds.dds_creation_txg = TXG_INITIAL; 1555 usedobjs = os->os_rootbp->blk_fill; 1556 refdbytes = os->os_spa->spa_dsl_pool-> 1557 dp_mos_dir->dd_phys->dd_used_bytes; 1558 } else { 1559 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1560 } 1561 1562 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill); 1563 1564 zdb_nicenum(refdbytes, numbuf); 1565 1566 if (verbosity >= 4) { 1567 (void) sprintf(blkbuf, ", rootbp "); 1568 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp); 1569 } else { 1570 blkbuf[0] = '\0'; 1571 } 1572 1573 dmu_objset_name(os, osname); 1574 1575 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1576 "%s, %llu objects%s\n", 1577 osname, type, (u_longlong_t)dmu_objset_id(os), 1578 (u_longlong_t)dds.dds_creation_txg, 1579 numbuf, (u_longlong_t)usedobjs, blkbuf); 1580 1581 if (zopt_objects != 0) { 1582 for (i = 0; i < zopt_objects; i++) 1583 dump_object(os, zopt_object[i], verbosity, 1584 &print_header); 1585 (void) printf("\n"); 1586 return; 1587 } 1588 1589 if (dump_opt['i'] != 0 || verbosity >= 2) 1590 dump_intent_log(dmu_objset_zil(os)); 1591 1592 if (dmu_objset_ds(os) != NULL) 1593 dump_bplist(dmu_objset_pool(os)->dp_meta_objset, 1594 dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist"); 1595 1596 if (verbosity < 2) 1597 return; 1598 1599 if (os->os_rootbp->blk_birth == 0) 1600 return; 1601 1602 dump_object(os, 0, verbosity, &print_header); 1603 object_count = 0; 1604 if (os->os_userused_dnode && 1605 os->os_userused_dnode->dn_type != 0) { 1606 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1607 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1608 } 1609 1610 object = 0; 1611 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1612 dump_object(os, object, verbosity, &print_header); 1613 object_count++; 1614 } 1615 1616 ASSERT3U(object_count, ==, usedobjs); 1617 1618 (void) printf("\n"); 1619 1620 if (error != ESRCH) { 1621 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1622 abort(); 1623 } 1624 } 1625 1626 static void 1627 dump_uberblock(uberblock_t *ub, const char *header, const char *footer) 1628 { 1629 time_t timestamp = ub->ub_timestamp; 1630 1631 (void) printf(header ? header : ""); 1632 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1633 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1634 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1635 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1636 (void) printf("\ttimestamp = %llu UTC = %s", 1637 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1638 if (dump_opt['u'] >= 3) { 1639 char blkbuf[BP_SPRINTF_LEN]; 1640 sprintf_blkptr(blkbuf, &ub->ub_rootbp); 1641 (void) printf("\trootbp = %s\n", blkbuf); 1642 } 1643 (void) printf(footer ? footer : ""); 1644 } 1645 1646 static void 1647 dump_config(spa_t *spa) 1648 { 1649 dmu_buf_t *db; 1650 size_t nvsize = 0; 1651 int error = 0; 1652 1653 1654 error = dmu_bonus_hold(spa->spa_meta_objset, 1655 spa->spa_config_object, FTAG, &db); 1656 1657 if (error == 0) { 1658 nvsize = *(uint64_t *)db->db_data; 1659 dmu_buf_rele(db, FTAG); 1660 1661 (void) printf("\nMOS Configuration:\n"); 1662 dump_packed_nvlist(spa->spa_meta_objset, 1663 spa->spa_config_object, (void *)&nvsize, 1); 1664 } else { 1665 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 1666 (u_longlong_t)spa->spa_config_object, error); 1667 } 1668 } 1669 1670 static void 1671 dump_cachefile(const char *cachefile) 1672 { 1673 int fd; 1674 struct stat64 statbuf; 1675 char *buf; 1676 nvlist_t *config; 1677 1678 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1679 (void) printf("cannot open '%s': %s\n", cachefile, 1680 strerror(errno)); 1681 exit(1); 1682 } 1683 1684 if (fstat64(fd, &statbuf) != 0) { 1685 (void) printf("failed to stat '%s': %s\n", cachefile, 1686 strerror(errno)); 1687 exit(1); 1688 } 1689 1690 if ((buf = malloc(statbuf.st_size)) == NULL) { 1691 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1692 (u_longlong_t)statbuf.st_size); 1693 exit(1); 1694 } 1695 1696 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1697 (void) fprintf(stderr, "failed to read %llu bytes\n", 1698 (u_longlong_t)statbuf.st_size); 1699 exit(1); 1700 } 1701 1702 (void) close(fd); 1703 1704 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1705 (void) fprintf(stderr, "failed to unpack nvlist\n"); 1706 exit(1); 1707 } 1708 1709 free(buf); 1710 1711 dump_nvlist(config, 0); 1712 1713 nvlist_free(config); 1714 } 1715 1716 #define ZDB_MAX_UB_HEADER_SIZE 32 1717 1718 static void 1719 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 1720 { 1721 vdev_t vd; 1722 vdev_t *vdp = &vd; 1723 char header[ZDB_MAX_UB_HEADER_SIZE]; 1724 1725 vd.vdev_ashift = ashift; 1726 vdp->vdev_top = vdp; 1727 1728 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 1729 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 1730 uberblock_t *ub = (void *)((char *)lbl + uoff); 1731 1732 if (uberblock_verify(ub)) 1733 continue; 1734 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 1735 "Uberblock[%d]\n", i); 1736 dump_uberblock(ub, header, ""); 1737 } 1738 } 1739 1740 static void 1741 dump_label(const char *dev) 1742 { 1743 int fd; 1744 vdev_label_t label; 1745 char *path, *buf = label.vl_vdev_phys.vp_nvlist; 1746 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1747 struct stat64 statbuf; 1748 uint64_t psize, ashift; 1749 int len = strlen(dev) + 1; 1750 1751 if (strncmp(dev, "/dev/dsk/", 9) == 0) { 1752 len++; 1753 path = malloc(len); 1754 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9); 1755 } else { 1756 path = strdup(dev); 1757 } 1758 1759 if ((fd = open64(path, O_RDONLY)) < 0) { 1760 (void) printf("cannot open '%s': %s\n", path, strerror(errno)); 1761 free(path); 1762 exit(1); 1763 } 1764 1765 if (fstat64(fd, &statbuf) != 0) { 1766 (void) printf("failed to stat '%s': %s\n", path, 1767 strerror(errno)); 1768 free(path); 1769 (void) close(fd); 1770 exit(1); 1771 } 1772 1773 if (S_ISBLK(statbuf.st_mode)) { 1774 (void) printf("cannot use '%s': character device required\n", 1775 path); 1776 free(path); 1777 (void) close(fd); 1778 exit(1); 1779 } 1780 1781 psize = statbuf.st_size; 1782 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1783 1784 for (int l = 0; l < VDEV_LABELS; l++) { 1785 nvlist_t *config = NULL; 1786 1787 (void) printf("--------------------------------------------\n"); 1788 (void) printf("LABEL %d\n", l); 1789 (void) printf("--------------------------------------------\n"); 1790 1791 if (pread64(fd, &label, sizeof (label), 1792 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1793 (void) printf("failed to read label %d\n", l); 1794 continue; 1795 } 1796 1797 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1798 (void) printf("failed to unpack label %d\n", l); 1799 ashift = SPA_MINBLOCKSHIFT; 1800 } else { 1801 nvlist_t *vdev_tree = NULL; 1802 1803 dump_nvlist(config, 4); 1804 if ((nvlist_lookup_nvlist(config, 1805 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 1806 (nvlist_lookup_uint64(vdev_tree, 1807 ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 1808 ashift = SPA_MINBLOCKSHIFT; 1809 nvlist_free(config); 1810 } 1811 if (dump_opt['u']) 1812 dump_label_uberblocks(&label, ashift); 1813 } 1814 1815 free(path); 1816 (void) close(fd); 1817 } 1818 1819 /*ARGSUSED*/ 1820 static int 1821 dump_one_dir(const char *dsname, void *arg) 1822 { 1823 int error; 1824 objset_t *os; 1825 1826 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 1827 if (error) { 1828 (void) printf("Could not open %s, error %d\n", dsname, error); 1829 return (0); 1830 } 1831 dump_dir(os); 1832 dmu_objset_disown(os, FTAG); 1833 fuid_table_destroy(); 1834 sa_loaded = B_FALSE; 1835 return (0); 1836 } 1837 1838 /* 1839 * Block statistics. 1840 */ 1841 typedef struct zdb_blkstats { 1842 uint64_t zb_asize; 1843 uint64_t zb_lsize; 1844 uint64_t zb_psize; 1845 uint64_t zb_count; 1846 } zdb_blkstats_t; 1847 1848 /* 1849 * Extended object types to report deferred frees and dedup auto-ditto blocks. 1850 */ 1851 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 1852 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 1853 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2) 1854 1855 static char *zdb_ot_extname[] = { 1856 "deferred free", 1857 "dedup ditto", 1858 "Total", 1859 }; 1860 1861 #define ZB_TOTAL DN_MAX_LEVELS 1862 1863 typedef struct zdb_cb { 1864 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 1865 uint64_t zcb_dedup_asize; 1866 uint64_t zcb_dedup_blocks; 1867 uint64_t zcb_errors[256]; 1868 int zcb_readfails; 1869 int zcb_haderrors; 1870 } zdb_cb_t; 1871 1872 static void 1873 zdb_count_block(spa_t *spa, zilog_t *zilog, zdb_cb_t *zcb, const blkptr_t *bp, 1874 dmu_object_type_t type) 1875 { 1876 uint64_t refcnt = 0; 1877 1878 ASSERT(type < ZDB_OT_TOTAL); 1879 1880 if (zilog && zil_bp_tree_add(zilog, bp) != 0) 1881 return; 1882 1883 for (int i = 0; i < 4; i++) { 1884 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 1885 int t = (i & 1) ? type : ZDB_OT_TOTAL; 1886 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 1887 1888 zb->zb_asize += BP_GET_ASIZE(bp); 1889 zb->zb_lsize += BP_GET_LSIZE(bp); 1890 zb->zb_psize += BP_GET_PSIZE(bp); 1891 zb->zb_count++; 1892 } 1893 1894 if (dump_opt['L']) 1895 return; 1896 1897 if (BP_GET_DEDUP(bp)) { 1898 ddt_t *ddt; 1899 ddt_entry_t *dde; 1900 1901 ddt = ddt_select(spa, bp); 1902 ddt_enter(ddt); 1903 dde = ddt_lookup(ddt, bp, B_FALSE); 1904 1905 if (dde == NULL) { 1906 refcnt = 0; 1907 } else { 1908 ddt_phys_t *ddp = ddt_phys_select(dde, bp); 1909 ddt_phys_decref(ddp); 1910 refcnt = ddp->ddp_refcnt; 1911 if (ddt_phys_total_refcnt(dde) == 0) 1912 ddt_remove(ddt, dde); 1913 } 1914 ddt_exit(ddt); 1915 } 1916 1917 VERIFY3U(zio_wait(zio_claim(NULL, spa, 1918 refcnt ? 0 : spa_first_txg(spa), 1919 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 1920 } 1921 1922 /* ARGSUSED */ 1923 static int 1924 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf, 1925 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 1926 { 1927 zdb_cb_t *zcb = arg; 1928 char blkbuf[BP_SPRINTF_LEN]; 1929 dmu_object_type_t type; 1930 boolean_t is_metadata; 1931 1932 if (bp == NULL) 1933 return (0); 1934 1935 type = BP_GET_TYPE(bp); 1936 1937 zdb_count_block(spa, zilog, zcb, bp, type); 1938 1939 is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata); 1940 1941 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) { 1942 int ioerr; 1943 size_t size = BP_GET_PSIZE(bp); 1944 void *data = malloc(size); 1945 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 1946 1947 /* If it's an intent log block, failure is expected. */ 1948 if (zb->zb_level == ZB_ZIL_LEVEL) 1949 flags |= ZIO_FLAG_SPECULATIVE; 1950 1951 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size, 1952 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 1953 1954 free(data); 1955 1956 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) { 1957 zcb->zcb_haderrors = 1; 1958 zcb->zcb_errors[ioerr]++; 1959 1960 if (dump_opt['b'] >= 2) 1961 sprintf_blkptr(blkbuf, bp); 1962 else 1963 blkbuf[0] = '\0'; 1964 1965 (void) printf("zdb_blkptr_cb: " 1966 "Got error %d reading " 1967 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 1968 ioerr, 1969 (u_longlong_t)zb->zb_objset, 1970 (u_longlong_t)zb->zb_object, 1971 (u_longlong_t)zb->zb_level, 1972 (u_longlong_t)zb->zb_blkid, 1973 blkbuf); 1974 } 1975 } 1976 1977 zcb->zcb_readfails = 0; 1978 1979 if (dump_opt['b'] >= 4) { 1980 sprintf_blkptr(blkbuf, bp); 1981 (void) printf("objset %llu object %llu " 1982 "level %lld offset 0x%llx %s\n", 1983 (u_longlong_t)zb->zb_objset, 1984 (u_longlong_t)zb->zb_object, 1985 (longlong_t)zb->zb_level, 1986 (u_longlong_t)blkid2offset(dnp, bp, zb), 1987 blkbuf); 1988 } 1989 1990 return (0); 1991 } 1992 1993 static void 1994 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 1995 { 1996 vdev_t *vd = sm->sm_ppd; 1997 1998 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 1999 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 2000 } 2001 2002 /* ARGSUSED */ 2003 static void 2004 zdb_space_map_load(space_map_t *sm) 2005 { 2006 } 2007 2008 static void 2009 zdb_space_map_unload(space_map_t *sm) 2010 { 2011 space_map_vacate(sm, zdb_leak, sm); 2012 } 2013 2014 /* ARGSUSED */ 2015 static void 2016 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 2017 { 2018 } 2019 2020 static space_map_ops_t zdb_space_map_ops = { 2021 zdb_space_map_load, 2022 zdb_space_map_unload, 2023 NULL, /* alloc */ 2024 zdb_space_map_claim, 2025 NULL, /* free */ 2026 NULL /* maxsize */ 2027 }; 2028 2029 static void 2030 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 2031 { 2032 ddt_bookmark_t ddb = { 0 }; 2033 ddt_entry_t dde; 2034 int error; 2035 2036 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 2037 blkptr_t blk; 2038 ddt_phys_t *ddp = dde.dde_phys; 2039 2040 if (ddb.ddb_class == DDT_CLASS_UNIQUE) 2041 return; 2042 2043 ASSERT(ddt_phys_total_refcnt(&dde) > 1); 2044 2045 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 2046 if (ddp->ddp_phys_birth == 0) 2047 continue; 2048 ddt_bp_create(ddb.ddb_checksum, 2049 &dde.dde_key, ddp, &blk); 2050 if (p == DDT_PHYS_DITTO) { 2051 zdb_count_block(spa, NULL, zcb, &blk, 2052 ZDB_OT_DITTO); 2053 } else { 2054 zcb->zcb_dedup_asize += 2055 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 2056 zcb->zcb_dedup_blocks++; 2057 } 2058 } 2059 if (!dump_opt['L']) { 2060 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 2061 ddt_enter(ddt); 2062 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 2063 ddt_exit(ddt); 2064 } 2065 } 2066 2067 ASSERT(error == ENOENT); 2068 } 2069 2070 static void 2071 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 2072 { 2073 if (!dump_opt['L']) { 2074 vdev_t *rvd = spa->spa_root_vdev; 2075 for (int c = 0; c < rvd->vdev_children; c++) { 2076 vdev_t *vd = rvd->vdev_child[c]; 2077 for (int m = 0; m < vd->vdev_ms_count; m++) { 2078 metaslab_t *msp = vd->vdev_ms[m]; 2079 mutex_enter(&msp->ms_lock); 2080 space_map_unload(&msp->ms_map); 2081 VERIFY(space_map_load(&msp->ms_map, 2082 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo, 2083 spa->spa_meta_objset) == 0); 2084 msp->ms_map.sm_ppd = vd; 2085 mutex_exit(&msp->ms_lock); 2086 } 2087 } 2088 } 2089 2090 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2091 2092 zdb_ddt_leak_init(spa, zcb); 2093 2094 spa_config_exit(spa, SCL_CONFIG, FTAG); 2095 } 2096 2097 static void 2098 zdb_leak_fini(spa_t *spa) 2099 { 2100 if (!dump_opt['L']) { 2101 vdev_t *rvd = spa->spa_root_vdev; 2102 for (int c = 0; c < rvd->vdev_children; c++) { 2103 vdev_t *vd = rvd->vdev_child[c]; 2104 for (int m = 0; m < vd->vdev_ms_count; m++) { 2105 metaslab_t *msp = vd->vdev_ms[m]; 2106 mutex_enter(&msp->ms_lock); 2107 space_map_unload(&msp->ms_map); 2108 mutex_exit(&msp->ms_lock); 2109 } 2110 } 2111 } 2112 } 2113 2114 static int 2115 dump_block_stats(spa_t *spa) 2116 { 2117 zdb_cb_t zcb = { 0 }; 2118 zdb_blkstats_t *zb, *tzb; 2119 uint64_t norm_alloc, norm_space, total_alloc, total_found; 2120 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 2121 int leaks = 0; 2122 2123 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n", 2124 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 2125 (dump_opt['c'] == 1) ? "metadata " : "", 2126 dump_opt['c'] ? "checksums " : "", 2127 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 2128 !dump_opt['L'] ? "nothing leaked " : ""); 2129 2130 /* 2131 * Load all space maps as SM_ALLOC maps, then traverse the pool 2132 * claiming each block we discover. If the pool is perfectly 2133 * consistent, the space maps will be empty when we're done. 2134 * Anything left over is a leak; any block we can't claim (because 2135 * it's not part of any space map) is a double allocation, 2136 * reference to a freed block, or an unclaimed log block. 2137 */ 2138 zdb_leak_init(spa, &zcb); 2139 2140 /* 2141 * If there's a deferred-free bplist, process that first. 2142 */ 2143 if (spa->spa_deferred_bplist_obj != 0) { 2144 bplist_t *bpl = &spa->spa_deferred_bplist; 2145 blkptr_t blk; 2146 uint64_t itor = 0; 2147 2148 VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset, 2149 spa->spa_deferred_bplist_obj)); 2150 2151 while (bplist_iterate(bpl, &itor, &blk) == 0) { 2152 if (dump_opt['b'] >= 4) { 2153 char blkbuf[BP_SPRINTF_LEN]; 2154 sprintf_blkptr(blkbuf, &blk); 2155 (void) printf("[%s] %s\n", 2156 "deferred free", blkbuf); 2157 } 2158 zdb_count_block(spa, NULL, &zcb, &blk, ZDB_OT_DEFERRED); 2159 } 2160 2161 bplist_close(bpl); 2162 } 2163 2164 if (dump_opt['c'] > 1) 2165 flags |= TRAVERSE_PREFETCH_DATA; 2166 2167 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 2168 2169 if (zcb.zcb_haderrors) { 2170 (void) printf("\nError counts:\n\n"); 2171 (void) printf("\t%5s %s\n", "errno", "count"); 2172 for (int e = 0; e < 256; e++) { 2173 if (zcb.zcb_errors[e] != 0) { 2174 (void) printf("\t%5d %llu\n", 2175 e, (u_longlong_t)zcb.zcb_errors[e]); 2176 } 2177 } 2178 } 2179 2180 /* 2181 * Report any leaked segments. 2182 */ 2183 zdb_leak_fini(spa); 2184 2185 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 2186 2187 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 2188 norm_space = metaslab_class_get_space(spa_normal_class(spa)); 2189 2190 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 2191 total_found = tzb->zb_asize - zcb.zcb_dedup_asize; 2192 2193 if (total_found == total_alloc) { 2194 if (!dump_opt['L']) 2195 (void) printf("\n\tNo leaks (block sum matches space" 2196 " maps exactly)\n"); 2197 } else { 2198 (void) printf("block traversal size %llu != alloc %llu " 2199 "(%s %lld)\n", 2200 (u_longlong_t)total_found, 2201 (u_longlong_t)total_alloc, 2202 (dump_opt['L']) ? "unreachable" : "leaked", 2203 (longlong_t)(total_alloc - total_found)); 2204 leaks = 1; 2205 } 2206 2207 if (tzb->zb_count == 0) 2208 return (2); 2209 2210 (void) printf("\n"); 2211 (void) printf("\tbp count: %10llu\n", 2212 (u_longlong_t)tzb->zb_count); 2213 (void) printf("\tbp logical: %10llu avg: %6llu\n", 2214 (u_longlong_t)tzb->zb_lsize, 2215 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 2216 (void) printf("\tbp physical: %10llu avg:" 2217 " %6llu compression: %6.2f\n", 2218 (u_longlong_t)tzb->zb_psize, 2219 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 2220 (double)tzb->zb_lsize / tzb->zb_psize); 2221 (void) printf("\tbp allocated: %10llu avg:" 2222 " %6llu compression: %6.2f\n", 2223 (u_longlong_t)tzb->zb_asize, 2224 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 2225 (double)tzb->zb_lsize / tzb->zb_asize); 2226 (void) printf("\tbp deduped: %10llu ref>1:" 2227 " %6llu deduplication: %6.2f\n", 2228 (u_longlong_t)zcb.zcb_dedup_asize, 2229 (u_longlong_t)zcb.zcb_dedup_blocks, 2230 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 2231 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 2232 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 2233 2234 if (dump_opt['b'] >= 2) { 2235 int l, t, level; 2236 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 2237 "\t avg\t comp\t%%Total\tType\n"); 2238 2239 for (t = 0; t <= ZDB_OT_TOTAL; t++) { 2240 char csize[32], lsize[32], psize[32], asize[32]; 2241 char avg[32]; 2242 char *typename; 2243 2244 if (t < DMU_OT_NUMTYPES) 2245 typename = dmu_ot[t].ot_name; 2246 else 2247 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 2248 2249 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 2250 (void) printf("%6s\t%5s\t%5s\t%5s" 2251 "\t%5s\t%5s\t%6s\t%s\n", 2252 "-", 2253 "-", 2254 "-", 2255 "-", 2256 "-", 2257 "-", 2258 "-", 2259 typename); 2260 continue; 2261 } 2262 2263 for (l = ZB_TOTAL - 1; l >= -1; l--) { 2264 level = (l == -1 ? ZB_TOTAL : l); 2265 zb = &zcb.zcb_type[level][t]; 2266 2267 if (zb->zb_asize == 0) 2268 continue; 2269 2270 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 2271 continue; 2272 2273 if (level == 0 && zb->zb_asize == 2274 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 2275 continue; 2276 2277 zdb_nicenum(zb->zb_count, csize); 2278 zdb_nicenum(zb->zb_lsize, lsize); 2279 zdb_nicenum(zb->zb_psize, psize); 2280 zdb_nicenum(zb->zb_asize, asize); 2281 zdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2282 2283 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 2284 "\t%5.2f\t%6.2f\t", 2285 csize, lsize, psize, asize, avg, 2286 (double)zb->zb_lsize / zb->zb_psize, 2287 100.0 * zb->zb_asize / tzb->zb_asize); 2288 2289 if (level == ZB_TOTAL) 2290 (void) printf("%s\n", typename); 2291 else 2292 (void) printf(" L%d %s\n", 2293 level, typename); 2294 } 2295 } 2296 } 2297 2298 (void) printf("\n"); 2299 2300 if (leaks) 2301 return (2); 2302 2303 if (zcb.zcb_haderrors) 2304 return (3); 2305 2306 return (0); 2307 } 2308 2309 typedef struct zdb_ddt_entry { 2310 ddt_key_t zdde_key; 2311 uint64_t zdde_ref_blocks; 2312 uint64_t zdde_ref_lsize; 2313 uint64_t zdde_ref_psize; 2314 uint64_t zdde_ref_dsize; 2315 avl_node_t zdde_node; 2316 } zdb_ddt_entry_t; 2317 2318 /* ARGSUSED */ 2319 static int 2320 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2321 arc_buf_t *pbuf, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 2322 { 2323 avl_tree_t *t = arg; 2324 avl_index_t where; 2325 zdb_ddt_entry_t *zdde, zdde_search; 2326 2327 if (bp == NULL) 2328 return (0); 2329 2330 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 2331 (void) printf("traversing objset %llu, %llu objects, " 2332 "%lu blocks so far\n", 2333 (u_longlong_t)zb->zb_objset, 2334 (u_longlong_t)bp->blk_fill, 2335 avl_numnodes(t)); 2336 } 2337 2338 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 2339 BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata) 2340 return (0); 2341 2342 ddt_key_fill(&zdde_search.zdde_key, bp); 2343 2344 zdde = avl_find(t, &zdde_search, &where); 2345 2346 if (zdde == NULL) { 2347 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 2348 zdde->zdde_key = zdde_search.zdde_key; 2349 avl_insert(t, zdde, where); 2350 } 2351 2352 zdde->zdde_ref_blocks += 1; 2353 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 2354 zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 2355 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 2356 2357 return (0); 2358 } 2359 2360 static void 2361 dump_simulated_ddt(spa_t *spa) 2362 { 2363 avl_tree_t t; 2364 void *cookie = NULL; 2365 zdb_ddt_entry_t *zdde; 2366 ddt_histogram_t ddh_total = { 0 }; 2367 ddt_stat_t dds_total = { 0 }; 2368 2369 avl_create(&t, ddt_entry_compare, 2370 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 2371 2372 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2373 2374 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 2375 zdb_ddt_add_cb, &t); 2376 2377 spa_config_exit(spa, SCL_CONFIG, FTAG); 2378 2379 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 2380 ddt_stat_t dds; 2381 uint64_t refcnt = zdde->zdde_ref_blocks; 2382 ASSERT(refcnt != 0); 2383 2384 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 2385 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 2386 dds.dds_psize = zdde->zdde_ref_psize / refcnt; 2387 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 2388 2389 dds.dds_ref_blocks = zdde->zdde_ref_blocks; 2390 dds.dds_ref_lsize = zdde->zdde_ref_lsize; 2391 dds.dds_ref_psize = zdde->zdde_ref_psize; 2392 dds.dds_ref_dsize = zdde->zdde_ref_dsize; 2393 2394 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0); 2395 2396 umem_free(zdde, sizeof (*zdde)); 2397 } 2398 2399 avl_destroy(&t); 2400 2401 ddt_histogram_stat(&dds_total, &ddh_total); 2402 2403 (void) printf("Simulated DDT histogram:\n"); 2404 2405 zpool_dump_ddt(&dds_total, &ddh_total); 2406 2407 dump_dedup_ratio(&dds_total); 2408 } 2409 2410 static void 2411 dump_zpool(spa_t *spa) 2412 { 2413 dsl_pool_t *dp = spa_get_dsl(spa); 2414 int rc = 0; 2415 2416 if (dump_opt['S']) { 2417 dump_simulated_ddt(spa); 2418 return; 2419 } 2420 2421 if (!dump_opt['e'] && dump_opt['C'] > 1) { 2422 (void) printf("\nCached configuration:\n"); 2423 dump_nvlist(spa->spa_config, 8); 2424 } 2425 2426 if (dump_opt['C']) 2427 dump_config(spa); 2428 2429 if (dump_opt['u']) 2430 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 2431 2432 if (dump_opt['D']) 2433 dump_all_ddts(spa); 2434 2435 if (dump_opt['d'] > 2 || dump_opt['m']) 2436 dump_metaslabs(spa); 2437 2438 if (dump_opt['d'] || dump_opt['i']) { 2439 dump_dir(dp->dp_meta_objset); 2440 if (dump_opt['d'] >= 3) { 2441 dump_bplist(dp->dp_meta_objset, 2442 spa->spa_deferred_bplist_obj, "Deferred frees"); 2443 dump_dtl(spa->spa_root_vdev, 0); 2444 } 2445 (void) dmu_objset_find(spa_name(spa), dump_one_dir, 2446 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 2447 } 2448 if (dump_opt['b'] || dump_opt['c']) 2449 rc = dump_block_stats(spa); 2450 2451 if (dump_opt['s']) 2452 show_pool_stats(spa); 2453 2454 if (dump_opt['h']) 2455 dump_history(spa); 2456 2457 if (rc != 0) 2458 exit(rc); 2459 } 2460 2461 #define ZDB_FLAG_CHECKSUM 0x0001 2462 #define ZDB_FLAG_DECOMPRESS 0x0002 2463 #define ZDB_FLAG_BSWAP 0x0004 2464 #define ZDB_FLAG_GBH 0x0008 2465 #define ZDB_FLAG_INDIRECT 0x0010 2466 #define ZDB_FLAG_PHYS 0x0020 2467 #define ZDB_FLAG_RAW 0x0040 2468 #define ZDB_FLAG_PRINT_BLKPTR 0x0080 2469 2470 int flagbits[256]; 2471 2472 static void 2473 zdb_print_blkptr(blkptr_t *bp, int flags) 2474 { 2475 char blkbuf[BP_SPRINTF_LEN]; 2476 2477 if (flags & ZDB_FLAG_BSWAP) 2478 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 2479 2480 sprintf_blkptr(blkbuf, bp); 2481 (void) printf("%s\n", blkbuf); 2482 } 2483 2484 static void 2485 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 2486 { 2487 int i; 2488 2489 for (i = 0; i < nbps; i++) 2490 zdb_print_blkptr(&bp[i], flags); 2491 } 2492 2493 static void 2494 zdb_dump_gbh(void *buf, int flags) 2495 { 2496 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 2497 } 2498 2499 static void 2500 zdb_dump_block_raw(void *buf, uint64_t size, int flags) 2501 { 2502 if (flags & ZDB_FLAG_BSWAP) 2503 byteswap_uint64_array(buf, size); 2504 (void) write(1, buf, size); 2505 } 2506 2507 static void 2508 zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 2509 { 2510 uint64_t *d = (uint64_t *)buf; 2511 int nwords = size / sizeof (uint64_t); 2512 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 2513 int i, j; 2514 char *hdr, *c; 2515 2516 2517 if (do_bswap) 2518 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 2519 else 2520 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 2521 2522 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 2523 2524 for (i = 0; i < nwords; i += 2) { 2525 (void) printf("%06llx: %016llx %016llx ", 2526 (u_longlong_t)(i * sizeof (uint64_t)), 2527 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 2528 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 2529 2530 c = (char *)&d[i]; 2531 for (j = 0; j < 2 * sizeof (uint64_t); j++) 2532 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 2533 (void) printf("\n"); 2534 } 2535 } 2536 2537 /* 2538 * There are two acceptable formats: 2539 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 2540 * child[.child]* - For example: 0.1.1 2541 * 2542 * The second form can be used to specify arbitrary vdevs anywhere 2543 * in the heirarchy. For example, in a pool with a mirror of 2544 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 2545 */ 2546 static vdev_t * 2547 zdb_vdev_lookup(vdev_t *vdev, char *path) 2548 { 2549 char *s, *p, *q; 2550 int i; 2551 2552 if (vdev == NULL) 2553 return (NULL); 2554 2555 /* First, assume the x.x.x.x format */ 2556 i = (int)strtoul(path, &s, 10); 2557 if (s == path || (s && *s != '.' && *s != '\0')) 2558 goto name; 2559 if (i < 0 || i >= vdev->vdev_children) 2560 return (NULL); 2561 2562 vdev = vdev->vdev_child[i]; 2563 if (*s == '\0') 2564 return (vdev); 2565 return (zdb_vdev_lookup(vdev, s+1)); 2566 2567 name: 2568 for (i = 0; i < vdev->vdev_children; i++) { 2569 vdev_t *vc = vdev->vdev_child[i]; 2570 2571 if (vc->vdev_path == NULL) { 2572 vc = zdb_vdev_lookup(vc, path); 2573 if (vc == NULL) 2574 continue; 2575 else 2576 return (vc); 2577 } 2578 2579 p = strrchr(vc->vdev_path, '/'); 2580 p = p ? p + 1 : vc->vdev_path; 2581 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 2582 2583 if (strcmp(vc->vdev_path, path) == 0) 2584 return (vc); 2585 if (strcmp(p, path) == 0) 2586 return (vc); 2587 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 2588 return (vc); 2589 } 2590 2591 return (NULL); 2592 } 2593 2594 /* 2595 * Read a block from a pool and print it out. The syntax of the 2596 * block descriptor is: 2597 * 2598 * pool:vdev_specifier:offset:size[:flags] 2599 * 2600 * pool - The name of the pool you wish to read from 2601 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 2602 * offset - offset, in hex, in bytes 2603 * size - Amount of data to read, in hex, in bytes 2604 * flags - A string of characters specifying options 2605 * b: Decode a blkptr at given offset within block 2606 * *c: Calculate and display checksums 2607 * d: Decompress data before dumping 2608 * e: Byteswap data before dumping 2609 * g: Display data as a gang block header 2610 * i: Display as an indirect block 2611 * p: Do I/O to physical offset 2612 * r: Dump raw data to stdout 2613 * 2614 * * = not yet implemented 2615 */ 2616 static void 2617 zdb_read_block(char *thing, spa_t *spa) 2618 { 2619 blkptr_t blk, *bp = &blk; 2620 dva_t *dva = bp->blk_dva; 2621 int flags = 0; 2622 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 2623 zio_t *zio; 2624 vdev_t *vd; 2625 void *pbuf, *lbuf, *buf; 2626 char *s, *p, *dup, *vdev, *flagstr; 2627 int i, error; 2628 2629 dup = strdup(thing); 2630 s = strtok(dup, ":"); 2631 vdev = s ? s : ""; 2632 s = strtok(NULL, ":"); 2633 offset = strtoull(s ? s : "", NULL, 16); 2634 s = strtok(NULL, ":"); 2635 size = strtoull(s ? s : "", NULL, 16); 2636 s = strtok(NULL, ":"); 2637 flagstr = s ? s : ""; 2638 2639 s = NULL; 2640 if (size == 0) 2641 s = "size must not be zero"; 2642 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 2643 s = "size must be a multiple of sector size"; 2644 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 2645 s = "offset must be a multiple of sector size"; 2646 if (s) { 2647 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 2648 free(dup); 2649 return; 2650 } 2651 2652 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 2653 for (i = 0; flagstr[i]; i++) { 2654 int bit = flagbits[(uchar_t)flagstr[i]]; 2655 2656 if (bit == 0) { 2657 (void) printf("***Invalid flag: %c\n", 2658 flagstr[i]); 2659 continue; 2660 } 2661 flags |= bit; 2662 2663 /* If it's not something with an argument, keep going */ 2664 if ((bit & (ZDB_FLAG_CHECKSUM | 2665 ZDB_FLAG_PRINT_BLKPTR)) == 0) 2666 continue; 2667 2668 p = &flagstr[i + 1]; 2669 if (bit == ZDB_FLAG_PRINT_BLKPTR) 2670 blkptr_offset = strtoull(p, &p, 16); 2671 if (*p != ':' && *p != '\0') { 2672 (void) printf("***Invalid flag arg: '%s'\n", s); 2673 free(dup); 2674 return; 2675 } 2676 } 2677 } 2678 2679 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 2680 if (vd == NULL) { 2681 (void) printf("***Invalid vdev: %s\n", vdev); 2682 free(dup); 2683 return; 2684 } else { 2685 if (vd->vdev_path) 2686 (void) fprintf(stderr, "Found vdev: %s\n", 2687 vd->vdev_path); 2688 else 2689 (void) fprintf(stderr, "Found vdev type: %s\n", 2690 vd->vdev_ops->vdev_op_type); 2691 } 2692 2693 psize = size; 2694 lsize = size; 2695 2696 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2697 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2698 2699 BP_ZERO(bp); 2700 2701 DVA_SET_VDEV(&dva[0], vd->vdev_id); 2702 DVA_SET_OFFSET(&dva[0], offset); 2703 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 2704 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 2705 2706 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 2707 2708 BP_SET_LSIZE(bp, lsize); 2709 BP_SET_PSIZE(bp, psize); 2710 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 2711 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 2712 BP_SET_TYPE(bp, DMU_OT_NONE); 2713 BP_SET_LEVEL(bp, 0); 2714 BP_SET_DEDUP(bp, 0); 2715 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 2716 2717 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2718 zio = zio_root(spa, NULL, NULL, 0); 2719 2720 if (vd == vd->vdev_top) { 2721 /* 2722 * Treat this as a normal block read. 2723 */ 2724 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL, 2725 ZIO_PRIORITY_SYNC_READ, 2726 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 2727 } else { 2728 /* 2729 * Treat this as a vdev child I/O. 2730 */ 2731 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize, 2732 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 2733 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2734 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 2735 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL)); 2736 } 2737 2738 error = zio_wait(zio); 2739 spa_config_exit(spa, SCL_STATE, FTAG); 2740 2741 if (error) { 2742 (void) printf("Read of %s failed, error: %d\n", thing, error); 2743 goto out; 2744 } 2745 2746 if (flags & ZDB_FLAG_DECOMPRESS) { 2747 /* 2748 * We don't know how the data was compressed, so just try 2749 * every decompress function at every inflated blocksize. 2750 */ 2751 enum zio_compress c; 2752 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2753 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2754 2755 bcopy(pbuf, pbuf2, psize); 2756 2757 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize, 2758 SPA_MAXBLOCKSIZE - psize) == 0); 2759 2760 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 2761 SPA_MAXBLOCKSIZE - psize) == 0); 2762 2763 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 2764 lsize -= SPA_MINBLOCKSIZE) { 2765 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 2766 if (zio_decompress_data(c, pbuf, lbuf, 2767 psize, lsize) == 0 && 2768 zio_decompress_data(c, pbuf2, lbuf2, 2769 psize, lsize) == 0 && 2770 bcmp(lbuf, lbuf2, lsize) == 0) 2771 break; 2772 } 2773 if (c != ZIO_COMPRESS_FUNCTIONS) 2774 break; 2775 lsize -= SPA_MINBLOCKSIZE; 2776 } 2777 2778 umem_free(pbuf2, SPA_MAXBLOCKSIZE); 2779 umem_free(lbuf2, SPA_MAXBLOCKSIZE); 2780 2781 if (lsize <= psize) { 2782 (void) printf("Decompress of %s failed\n", thing); 2783 goto out; 2784 } 2785 buf = lbuf; 2786 size = lsize; 2787 } else { 2788 buf = pbuf; 2789 size = psize; 2790 } 2791 2792 if (flags & ZDB_FLAG_PRINT_BLKPTR) 2793 zdb_print_blkptr((blkptr_t *)(void *) 2794 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 2795 else if (flags & ZDB_FLAG_RAW) 2796 zdb_dump_block_raw(buf, size, flags); 2797 else if (flags & ZDB_FLAG_INDIRECT) 2798 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 2799 flags); 2800 else if (flags & ZDB_FLAG_GBH) 2801 zdb_dump_gbh(buf, flags); 2802 else 2803 zdb_dump_block(thing, buf, size, flags); 2804 2805 out: 2806 umem_free(pbuf, SPA_MAXBLOCKSIZE); 2807 umem_free(lbuf, SPA_MAXBLOCKSIZE); 2808 free(dup); 2809 } 2810 2811 static boolean_t 2812 pool_match(nvlist_t *cfg, char *tgt) 2813 { 2814 uint64_t v, guid = strtoull(tgt, NULL, 0); 2815 char *s; 2816 2817 if (guid != 0) { 2818 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 2819 return (v == guid); 2820 } else { 2821 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 2822 return (strcmp(s, tgt) == 0); 2823 } 2824 return (B_FALSE); 2825 } 2826 2827 static char * 2828 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 2829 { 2830 nvlist_t *pools; 2831 nvlist_t *match = NULL; 2832 char *name = NULL; 2833 char *sepp = NULL; 2834 char sep; 2835 int count = 0; 2836 importargs_t args = { 0 }; 2837 2838 args.paths = dirc; 2839 args.path = dirv; 2840 args.can_be_active = B_TRUE; 2841 2842 if ((sepp = strpbrk(*target, "/@")) != NULL) { 2843 sep = *sepp; 2844 *sepp = '\0'; 2845 } 2846 2847 pools = zpool_search_import(g_zfs, &args); 2848 2849 if (pools != NULL) { 2850 nvpair_t *elem = NULL; 2851 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2852 verify(nvpair_value_nvlist(elem, configp) == 0); 2853 if (pool_match(*configp, *target)) { 2854 count++; 2855 if (match != NULL) { 2856 /* print previously found config */ 2857 if (name != NULL) { 2858 (void) printf("%s\n", name); 2859 dump_nvlist(match, 8); 2860 name = NULL; 2861 } 2862 (void) printf("%s\n", 2863 nvpair_name(elem)); 2864 dump_nvlist(*configp, 8); 2865 } else { 2866 match = *configp; 2867 name = nvpair_name(elem); 2868 } 2869 } 2870 } 2871 } 2872 if (count > 1) 2873 (void) fatal("\tMatched %d pools - use pool GUID " 2874 "instead of pool name or \n" 2875 "\tpool name part of a dataset name to select pool", count); 2876 2877 if (sepp) 2878 *sepp = sep; 2879 /* 2880 * If pool GUID was specified for pool id, replace it with pool name 2881 */ 2882 if (name && (strstr(*target, name) != *target)) { 2883 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 2884 2885 *target = umem_alloc(sz, UMEM_NOFAIL); 2886 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 2887 } 2888 2889 *configp = name ? match : NULL; 2890 2891 return (name); 2892 } 2893 2894 int 2895 main(int argc, char **argv) 2896 { 2897 int i, c; 2898 struct rlimit rl = { 1024, 1024 }; 2899 spa_t *spa = NULL; 2900 objset_t *os = NULL; 2901 int dump_all = 1; 2902 int verbose = 0; 2903 int error = 0; 2904 char **searchdirs = NULL; 2905 int nsearch = 0; 2906 char *target; 2907 nvlist_t *policy = NULL; 2908 uint64_t max_txg = UINT64_MAX; 2909 int rewind = ZPOOL_NEVER_REWIND; 2910 2911 (void) setrlimit(RLIMIT_NOFILE, &rl); 2912 (void) enable_extended_FILE_stdio(-1, -1); 2913 2914 dprintf_setup(&argc, argv); 2915 2916 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) { 2917 switch (c) { 2918 case 'b': 2919 case 'c': 2920 case 'd': 2921 case 'h': 2922 case 'i': 2923 case 'l': 2924 case 'm': 2925 case 's': 2926 case 'u': 2927 case 'C': 2928 case 'D': 2929 case 'R': 2930 case 'S': 2931 dump_opt[c]++; 2932 dump_all = 0; 2933 break; 2934 case 'A': 2935 case 'F': 2936 case 'L': 2937 case 'X': 2938 case 'e': 2939 case 'P': 2940 dump_opt[c]++; 2941 break; 2942 case 'v': 2943 verbose++; 2944 break; 2945 case 'p': 2946 if (searchdirs == NULL) { 2947 searchdirs = umem_alloc(sizeof (char *), 2948 UMEM_NOFAIL); 2949 } else { 2950 char **tmp = umem_alloc((nsearch + 1) * 2951 sizeof (char *), UMEM_NOFAIL); 2952 bcopy(searchdirs, tmp, nsearch * 2953 sizeof (char *)); 2954 umem_free(searchdirs, 2955 nsearch * sizeof (char *)); 2956 searchdirs = tmp; 2957 } 2958 searchdirs[nsearch++] = optarg; 2959 break; 2960 case 't': 2961 max_txg = strtoull(optarg, NULL, 0); 2962 if (max_txg < TXG_INITIAL) { 2963 (void) fprintf(stderr, "incorrect txg " 2964 "specified: %s\n", optarg); 2965 usage(); 2966 } 2967 break; 2968 case 'U': 2969 spa_config_path = optarg; 2970 break; 2971 default: 2972 usage(); 2973 break; 2974 } 2975 } 2976 2977 if (!dump_opt['e'] && searchdirs != NULL) { 2978 (void) fprintf(stderr, "-p option requires use of -e\n"); 2979 usage(); 2980 } 2981 2982 kernel_init(FREAD); 2983 g_zfs = libzfs_init(); 2984 ASSERT(g_zfs != NULL); 2985 2986 if (dump_all) 2987 verbose = MAX(verbose, 1); 2988 2989 for (c = 0; c < 256; c++) { 2990 if (dump_all && !strchr("elAFLRSXP", c)) 2991 dump_opt[c] = 1; 2992 if (dump_opt[c]) 2993 dump_opt[c] += verbose; 2994 } 2995 2996 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 2997 zfs_recover = (dump_opt['A'] > 1); 2998 2999 argc -= optind; 3000 argv += optind; 3001 3002 if (argc < 2 && dump_opt['R']) 3003 usage(); 3004 if (argc < 1) { 3005 if (!dump_opt['e'] && dump_opt['C']) { 3006 dump_cachefile(spa_config_path); 3007 return (0); 3008 } 3009 usage(); 3010 } 3011 3012 if (dump_opt['l']) { 3013 dump_label(argv[0]); 3014 return (0); 3015 } 3016 3017 if (dump_opt['X'] || dump_opt['F']) 3018 rewind = ZPOOL_DO_REWIND | 3019 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 3020 3021 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 3022 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 3023 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 3024 fatal("internal error: %s", strerror(ENOMEM)); 3025 3026 error = 0; 3027 target = argv[0]; 3028 3029 if (dump_opt['e']) { 3030 nvlist_t *cfg = NULL; 3031 char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 3032 3033 error = ENOENT; 3034 if (name) { 3035 if (dump_opt['C'] > 1) { 3036 (void) printf("\nConfiguration for import:\n"); 3037 dump_nvlist(cfg, 8); 3038 } 3039 if (nvlist_add_nvlist(cfg, 3040 ZPOOL_REWIND_POLICY, policy) != 0) { 3041 fatal("can't open '%s': %s", 3042 target, strerror(ENOMEM)); 3043 } 3044 if ((error = spa_import(name, cfg, NULL)) != 0) 3045 error = spa_import_verbatim(name, cfg, NULL); 3046 } 3047 } 3048 3049 if (error == 0) { 3050 if (strpbrk(target, "/@") == NULL || dump_opt['R']) { 3051 error = spa_open_rewind(target, &spa, FTAG, policy, 3052 NULL); 3053 if (error) { 3054 /* 3055 * If we're missing the log device then 3056 * try opening the pool after clearing the 3057 * log state. 3058 */ 3059 mutex_enter(&spa_namespace_lock); 3060 if ((spa = spa_lookup(target)) != NULL && 3061 spa->spa_log_state == SPA_LOG_MISSING) { 3062 spa->spa_log_state = SPA_LOG_CLEAR; 3063 error = 0; 3064 } 3065 mutex_exit(&spa_namespace_lock); 3066 3067 if (!error) { 3068 error = spa_open_rewind(target, &spa, 3069 FTAG, policy, NULL); 3070 } 3071 } 3072 } else { 3073 error = dmu_objset_own(target, DMU_OST_ANY, 3074 B_TRUE, FTAG, &os); 3075 } 3076 } 3077 nvlist_free(policy); 3078 3079 if (error) 3080 fatal("can't open '%s': %s", target, strerror(error)); 3081 3082 argv++; 3083 argc--; 3084 if (!dump_opt['R']) { 3085 if (argc > 0) { 3086 zopt_objects = argc; 3087 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 3088 for (i = 0; i < zopt_objects; i++) { 3089 errno = 0; 3090 zopt_object[i] = strtoull(argv[i], NULL, 0); 3091 if (zopt_object[i] == 0 && errno != 0) 3092 fatal("bad number %s: %s", 3093 argv[i], strerror(errno)); 3094 } 3095 } 3096 (os != NULL) ? dump_dir(os) : dump_zpool(spa); 3097 } else { 3098 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 3099 flagbits['c'] = ZDB_FLAG_CHECKSUM; 3100 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 3101 flagbits['e'] = ZDB_FLAG_BSWAP; 3102 flagbits['g'] = ZDB_FLAG_GBH; 3103 flagbits['i'] = ZDB_FLAG_INDIRECT; 3104 flagbits['p'] = ZDB_FLAG_PHYS; 3105 flagbits['r'] = ZDB_FLAG_RAW; 3106 3107 for (i = 0; i < argc; i++) 3108 zdb_read_block(argv[i], spa); 3109 } 3110 3111 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 3112 3113 fuid_table_destroy(); 3114 sa_loaded = B_FALSE; 3115 3116 libzfs_fini(g_zfs); 3117 kernel_fini(); 3118 3119 return (0); 3120 } 3121