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