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