1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #include <stdio.h> 26 #include <stdio_ext.h> 27 #include <stdlib.h> 28 #include <ctype.h> 29 #include <sys/zfs_context.h> 30 #include <sys/spa.h> 31 #include <sys/spa_impl.h> 32 #include <sys/dmu.h> 33 #include <sys/zap.h> 34 #include <sys/fs/zfs.h> 35 #include <sys/zfs_znode.h> 36 #include <sys/zfs_sa.h> 37 #include <sys/sa.h> 38 #include <sys/sa_impl.h> 39 #include <sys/vdev.h> 40 #include <sys/vdev_impl.h> 41 #include <sys/metaslab_impl.h> 42 #include <sys/dmu_objset.h> 43 #include <sys/dsl_dir.h> 44 #include <sys/dsl_dataset.h> 45 #include <sys/dsl_pool.h> 46 #include <sys/dbuf.h> 47 #include <sys/zil.h> 48 #include <sys/zil_impl.h> 49 #include <sys/stat.h> 50 #include <sys/resource.h> 51 #include <sys/dmu_traverse.h> 52 #include <sys/zio_checksum.h> 53 #include <sys/zio_compress.h> 54 #include <sys/zfs_fuid.h> 55 #include <sys/arc.h> 56 #include <sys/ddt.h> 57 #undef ZFS_MAXNAMELEN 58 #undef verify 59 #include <libzfs.h> 60 61 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \ 62 zio_compress_table[(idx)].ci_name : "UNKNOWN") 63 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \ 64 zio_checksum_table[(idx)].ci_name : "UNKNOWN") 65 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \ 66 dmu_ot[(idx)].ot_name : "UNKNOWN") 67 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : DMU_OT_NUMTYPES) 68 69 #ifndef lint 70 extern int zfs_recover; 71 #else 72 int zfs_recover; 73 #endif 74 75 const char cmdname[] = "zdb"; 76 uint8_t dump_opt[256]; 77 78 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 79 80 extern void dump_intent_log(zilog_t *); 81 uint64_t *zopt_object = NULL; 82 int zopt_objects = 0; 83 libzfs_handle_t *g_zfs; 84 85 /* 86 * These libumem hooks provide a reasonable set of defaults for the allocator's 87 * debugging facilities. 88 */ 89 const char * 90 _umem_debug_init() 91 { 92 return ("default,verbose"); /* $UMEM_DEBUG setting */ 93 } 94 95 const char * 96 _umem_logging_init(void) 97 { 98 return ("fail,contents"); /* $UMEM_LOGGING setting */ 99 } 100 101 static void 102 usage(void) 103 { 104 (void) fprintf(stderr, 105 "Usage: %s [-CumdibcsDvhL] poolname [object...]\n" 106 " %s [-div] dataset [object...]\n" 107 " %s -m [-L] poolname [vdev [metaslab...]]\n" 108 " %s -R poolname vdev:offset:size[:flags]\n" 109 " %s -S poolname\n" 110 " %s -l [-u] device\n" 111 " %s -C\n\n", 112 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 113 114 (void) fprintf(stderr, " Dataset name must include at least one " 115 "separator character '/' or '@'\n"); 116 (void) fprintf(stderr, " If dataset name is specified, only that " 117 "dataset is dumped\n"); 118 (void) fprintf(stderr, " If object numbers are specified, only " 119 "those objects are dumped\n\n"); 120 (void) fprintf(stderr, " Options to control amount of output:\n"); 121 (void) fprintf(stderr, " -u uberblock\n"); 122 (void) fprintf(stderr, " -d dataset(s)\n"); 123 (void) fprintf(stderr, " -i intent logs\n"); 124 (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 125 (void) fprintf(stderr, " -h pool history\n"); 126 (void) fprintf(stderr, " -b block statistics\n"); 127 (void) fprintf(stderr, " -m metaslabs\n"); 128 (void) fprintf(stderr, " -c checksum all metadata (twice for " 129 "all data) blocks\n"); 130 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 131 (void) fprintf(stderr, " -D dedup statistics\n"); 132 (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 133 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 134 (void) fprintf(stderr, " -l dump label contents\n"); 135 (void) fprintf(stderr, " -L disable leak tracking (do not " 136 "load spacemaps)\n"); 137 (void) fprintf(stderr, " -R read and display block from a " 138 "device\n\n"); 139 (void) fprintf(stderr, " Below options are intended for use " 140 "with other options (except -l):\n"); 141 (void) fprintf(stderr, " -A ignore assertions (-A), enable " 142 "panic recovery (-AA) or both (-AAA)\n"); 143 (void) fprintf(stderr, " -F attempt automatic rewind within " 144 "safe range of transaction groups\n"); 145 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 146 "cachefile\n"); 147 (void) fprintf(stderr, " -X attempt extreme rewind (does not " 148 "work with dataset)\n"); 149 (void) fprintf(stderr, " -e pool is exported/destroyed/" 150 "has altroot/not in a cachefile\n"); 151 (void) fprintf(stderr, " -p <path> -- use one or more with " 152 "-e to specify path to vdev dir\n"); 153 (void) fprintf(stderr, " -P print numbers parsable\n"); 154 (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 155 "searching for uberblocks\n"); 156 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 157 "to make only that option verbose\n"); 158 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 159 exit(1); 160 } 161 162 /* 163 * Called for usage errors that are discovered after a call to spa_open(), 164 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 165 */ 166 167 static void 168 fatal(const char *fmt, ...) 169 { 170 va_list ap; 171 172 va_start(ap, fmt); 173 (void) fprintf(stderr, "%s: ", cmdname); 174 (void) vfprintf(stderr, fmt, ap); 175 va_end(ap); 176 (void) fprintf(stderr, "\n"); 177 178 exit(1); 179 } 180 181 /* ARGSUSED */ 182 static void 183 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 184 { 185 nvlist_t *nv; 186 size_t nvsize = *(uint64_t *)data; 187 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 188 189 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 190 191 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 192 193 umem_free(packed, nvsize); 194 195 dump_nvlist(nv, 8); 196 197 nvlist_free(nv); 198 } 199 200 static void 201 zdb_nicenum(uint64_t num, char *buf) 202 { 203 if (dump_opt['P']) 204 (void) sprintf(buf, "%llu", (longlong_t)num); 205 else 206 nicenum(num, buf); 207 } 208 209 const char dump_zap_stars[] = "****************************************"; 210 const int dump_zap_width = sizeof (dump_zap_stars) - 1; 211 212 static void 213 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) 214 { 215 int i; 216 int minidx = ZAP_HISTOGRAM_SIZE - 1; 217 int maxidx = 0; 218 uint64_t max = 0; 219 220 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { 221 if (histo[i] > max) 222 max = histo[i]; 223 if (histo[i] > 0 && i > maxidx) 224 maxidx = i; 225 if (histo[i] > 0 && i < minidx) 226 minidx = i; 227 } 228 229 if (max < dump_zap_width) 230 max = dump_zap_width; 231 232 for (i = minidx; i <= maxidx; i++) 233 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], 234 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); 235 } 236 237 static void 238 dump_zap_stats(objset_t *os, uint64_t object) 239 { 240 int error; 241 zap_stats_t zs; 242 243 error = zap_get_stats(os, object, &zs); 244 if (error) 245 return; 246 247 if (zs.zs_ptrtbl_len == 0) { 248 ASSERT(zs.zs_num_blocks == 1); 249 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 250 (u_longlong_t)zs.zs_blocksize, 251 (u_longlong_t)zs.zs_num_entries); 252 return; 253 } 254 255 (void) printf("\tFat ZAP stats:\n"); 256 257 (void) printf("\t\tPointer table:\n"); 258 (void) printf("\t\t\t%llu elements\n", 259 (u_longlong_t)zs.zs_ptrtbl_len); 260 (void) printf("\t\t\tzt_blk: %llu\n", 261 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 262 (void) printf("\t\t\tzt_numblks: %llu\n", 263 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 264 (void) printf("\t\t\tzt_shift: %llu\n", 265 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 266 (void) printf("\t\t\tzt_blks_copied: %llu\n", 267 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 268 (void) printf("\t\t\tzt_nextblk: %llu\n", 269 (u_longlong_t)zs.zs_ptrtbl_nextblk); 270 271 (void) printf("\t\tZAP entries: %llu\n", 272 (u_longlong_t)zs.zs_num_entries); 273 (void) printf("\t\tLeaf blocks: %llu\n", 274 (u_longlong_t)zs.zs_num_leafs); 275 (void) printf("\t\tTotal blocks: %llu\n", 276 (u_longlong_t)zs.zs_num_blocks); 277 (void) printf("\t\tzap_block_type: 0x%llx\n", 278 (u_longlong_t)zs.zs_block_type); 279 (void) printf("\t\tzap_magic: 0x%llx\n", 280 (u_longlong_t)zs.zs_magic); 281 (void) printf("\t\tzap_salt: 0x%llx\n", 282 (u_longlong_t)zs.zs_salt); 283 284 (void) printf("\t\tLeafs with 2^n pointers:\n"); 285 dump_zap_histogram(zs.zs_leafs_with_2n_pointers); 286 287 (void) printf("\t\tBlocks with n*5 entries:\n"); 288 dump_zap_histogram(zs.zs_blocks_with_n5_entries); 289 290 (void) printf("\t\tBlocks n/10 full:\n"); 291 dump_zap_histogram(zs.zs_blocks_n_tenths_full); 292 293 (void) printf("\t\tEntries with n chunks:\n"); 294 dump_zap_histogram(zs.zs_entries_using_n_chunks); 295 296 (void) printf("\t\tBuckets with n entries:\n"); 297 dump_zap_histogram(zs.zs_buckets_with_n_entries); 298 } 299 300 /*ARGSUSED*/ 301 static void 302 dump_none(objset_t *os, uint64_t object, void *data, size_t size) 303 { 304 } 305 306 /*ARGSUSED*/ 307 static void 308 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 309 { 310 (void) printf("\tUNKNOWN OBJECT TYPE\n"); 311 } 312 313 /*ARGSUSED*/ 314 void 315 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 316 { 317 } 318 319 /*ARGSUSED*/ 320 static void 321 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 322 { 323 } 324 325 /*ARGSUSED*/ 326 static void 327 dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 328 { 329 zap_cursor_t zc; 330 zap_attribute_t attr; 331 void *prop; 332 int i; 333 334 dump_zap_stats(os, object); 335 (void) printf("\n"); 336 337 for (zap_cursor_init(&zc, os, object); 338 zap_cursor_retrieve(&zc, &attr) == 0; 339 zap_cursor_advance(&zc)) { 340 (void) printf("\t\t%s = ", attr.za_name); 341 if (attr.za_num_integers == 0) { 342 (void) printf("\n"); 343 continue; 344 } 345 prop = umem_zalloc(attr.za_num_integers * 346 attr.za_integer_length, UMEM_NOFAIL); 347 (void) zap_lookup(os, object, attr.za_name, 348 attr.za_integer_length, attr.za_num_integers, prop); 349 if (attr.za_integer_length == 1) { 350 (void) printf("%s", (char *)prop); 351 } else { 352 for (i = 0; i < attr.za_num_integers; i++) { 353 switch (attr.za_integer_length) { 354 case 2: 355 (void) printf("%u ", 356 ((uint16_t *)prop)[i]); 357 break; 358 case 4: 359 (void) printf("%u ", 360 ((uint32_t *)prop)[i]); 361 break; 362 case 8: 363 (void) printf("%lld ", 364 (u_longlong_t)((int64_t *)prop)[i]); 365 break; 366 } 367 } 368 } 369 (void) printf("\n"); 370 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 371 } 372 zap_cursor_fini(&zc); 373 } 374 375 /*ARGSUSED*/ 376 static void 377 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 378 { 379 dump_zap_stats(os, object); 380 /* contents are printed elsewhere, properly decoded */ 381 } 382 383 /*ARGSUSED*/ 384 static void 385 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size) 386 { 387 zap_cursor_t zc; 388 zap_attribute_t attr; 389 390 dump_zap_stats(os, object); 391 (void) printf("\n"); 392 393 for (zap_cursor_init(&zc, os, object); 394 zap_cursor_retrieve(&zc, &attr) == 0; 395 zap_cursor_advance(&zc)) { 396 (void) printf("\t\t%s = ", attr.za_name); 397 if (attr.za_num_integers == 0) { 398 (void) printf("\n"); 399 continue; 400 } 401 (void) printf(" %llx : [%d:%d:%d]\n", 402 (u_longlong_t)attr.za_first_integer, 403 (int)ATTR_LENGTH(attr.za_first_integer), 404 (int)ATTR_BSWAP(attr.za_first_integer), 405 (int)ATTR_NUM(attr.za_first_integer)); 406 } 407 zap_cursor_fini(&zc); 408 } 409 410 /*ARGSUSED*/ 411 static void 412 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size) 413 { 414 zap_cursor_t zc; 415 zap_attribute_t attr; 416 uint16_t *layout_attrs; 417 int i; 418 419 dump_zap_stats(os, object); 420 (void) printf("\n"); 421 422 for (zap_cursor_init(&zc, os, object); 423 zap_cursor_retrieve(&zc, &attr) == 0; 424 zap_cursor_advance(&zc)) { 425 (void) printf("\t\t%s = [", attr.za_name); 426 if (attr.za_num_integers == 0) { 427 (void) printf("\n"); 428 continue; 429 } 430 431 VERIFY(attr.za_integer_length == 2); 432 layout_attrs = umem_zalloc(attr.za_num_integers * 433 attr.za_integer_length, UMEM_NOFAIL); 434 435 VERIFY(zap_lookup(os, object, attr.za_name, 436 attr.za_integer_length, 437 attr.za_num_integers, layout_attrs) == 0); 438 439 for (i = 0; i != attr.za_num_integers; i++) 440 (void) printf(" %d ", (int)layout_attrs[i]); 441 (void) printf("]\n"); 442 umem_free(layout_attrs, 443 attr.za_num_integers * attr.za_integer_length); 444 } 445 zap_cursor_fini(&zc); 446 } 447 448 /*ARGSUSED*/ 449 static void 450 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 451 { 452 zap_cursor_t zc; 453 zap_attribute_t attr; 454 const char *typenames[] = { 455 /* 0 */ "not specified", 456 /* 1 */ "FIFO", 457 /* 2 */ "Character Device", 458 /* 3 */ "3 (invalid)", 459 /* 4 */ "Directory", 460 /* 5 */ "5 (invalid)", 461 /* 6 */ "Block Device", 462 /* 7 */ "7 (invalid)", 463 /* 8 */ "Regular File", 464 /* 9 */ "9 (invalid)", 465 /* 10 */ "Symbolic Link", 466 /* 11 */ "11 (invalid)", 467 /* 12 */ "Socket", 468 /* 13 */ "Door", 469 /* 14 */ "Event Port", 470 /* 15 */ "15 (invalid)", 471 }; 472 473 dump_zap_stats(os, object); 474 (void) printf("\n"); 475 476 for (zap_cursor_init(&zc, os, object); 477 zap_cursor_retrieve(&zc, &attr) == 0; 478 zap_cursor_advance(&zc)) { 479 (void) printf("\t\t%s = %lld (type: %s)\n", 480 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 481 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 482 } 483 zap_cursor_fini(&zc); 484 } 485 486 static void 487 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 488 { 489 uint64_t alloc, offset, entry; 490 uint8_t mapshift = sm->sm_shift; 491 uint64_t mapstart = sm->sm_start; 492 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 493 "INVALID", "INVALID", "INVALID", "INVALID" }; 494 495 if (smo->smo_object == 0) 496 return; 497 498 /* 499 * Print out the freelist entries in both encoded and decoded form. 500 */ 501 alloc = 0; 502 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 503 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset, 504 sizeof (entry), &entry, DMU_READ_PREFETCH)); 505 if (SM_DEBUG_DECODE(entry)) { 506 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 507 (u_longlong_t)(offset / sizeof (entry)), 508 ddata[SM_DEBUG_ACTION_DECODE(entry)], 509 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 510 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 511 } else { 512 (void) printf("\t [%6llu] %c range:" 513 " %010llx-%010llx size: %06llx\n", 514 (u_longlong_t)(offset / sizeof (entry)), 515 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 516 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 517 mapshift) + mapstart), 518 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 519 mapshift) + mapstart + (SM_RUN_DECODE(entry) << 520 mapshift)), 521 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 522 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 523 alloc += SM_RUN_DECODE(entry) << mapshift; 524 else 525 alloc -= SM_RUN_DECODE(entry) << mapshift; 526 } 527 } 528 if (alloc != smo->smo_alloc) { 529 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 530 "with space map summary (%llu)\n", 531 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 532 } 533 } 534 535 static void 536 dump_metaslab_stats(metaslab_t *msp) 537 { 538 char maxbuf[32]; 539 space_map_t *sm = &msp->ms_map; 540 avl_tree_t *t = sm->sm_pp_root; 541 int free_pct = sm->sm_space * 100 / sm->sm_size; 542 543 zdb_nicenum(space_map_maxsize(sm), maxbuf); 544 545 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 546 "segments", avl_numnodes(t), "maxsize", maxbuf, 547 "freepct", free_pct); 548 } 549 550 static void 551 dump_metaslab(metaslab_t *msp) 552 { 553 vdev_t *vd = msp->ms_group->mg_vd; 554 spa_t *spa = vd->vdev_spa; 555 space_map_t *sm = &msp->ms_map; 556 space_map_obj_t *smo = &msp->ms_smo; 557 char freebuf[32]; 558 559 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf); 560 561 (void) printf( 562 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 563 (u_longlong_t)(sm->sm_start / sm->sm_size), 564 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf); 565 566 if (dump_opt['m'] > 1 && !dump_opt['L']) { 567 mutex_enter(&msp->ms_lock); 568 space_map_load_wait(sm); 569 if (!sm->sm_loaded) 570 VERIFY(space_map_load(sm, zfs_metaslab_ops, 571 SM_FREE, smo, spa->spa_meta_objset) == 0); 572 dump_metaslab_stats(msp); 573 space_map_unload(sm); 574 mutex_exit(&msp->ms_lock); 575 } 576 577 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { 578 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift)); 579 580 mutex_enter(&msp->ms_lock); 581 dump_spacemap(spa->spa_meta_objset, smo, sm); 582 mutex_exit(&msp->ms_lock); 583 } 584 } 585 586 static void 587 print_vdev_metaslab_header(vdev_t *vd) 588 { 589 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 590 (u_longlong_t)vd->vdev_id, 591 "metaslabs", (u_longlong_t)vd->vdev_ms_count, 592 "offset", "spacemap", "free"); 593 (void) printf("\t%15s %19s %15s %10s\n", 594 "---------------", "-------------------", 595 "---------------", "-------------"); 596 } 597 598 static void 599 dump_metaslabs(spa_t *spa) 600 { 601 vdev_t *vd, *rvd = spa->spa_root_vdev; 602 uint64_t m, c = 0, children = rvd->vdev_children; 603 604 (void) printf("\nMetaslabs:\n"); 605 606 if (!dump_opt['d'] && zopt_objects > 0) { 607 c = zopt_object[0]; 608 609 if (c >= children) 610 (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 611 612 if (zopt_objects > 1) { 613 vd = rvd->vdev_child[c]; 614 print_vdev_metaslab_header(vd); 615 616 for (m = 1; m < zopt_objects; m++) { 617 if (zopt_object[m] < vd->vdev_ms_count) 618 dump_metaslab( 619 vd->vdev_ms[zopt_object[m]]); 620 else 621 (void) fprintf(stderr, "bad metaslab " 622 "number %llu\n", 623 (u_longlong_t)zopt_object[m]); 624 } 625 (void) printf("\n"); 626 return; 627 } 628 children = c + 1; 629 } 630 for (; c < children; c++) { 631 vd = rvd->vdev_child[c]; 632 print_vdev_metaslab_header(vd); 633 634 for (m = 0; m < vd->vdev_ms_count; m++) 635 dump_metaslab(vd->vdev_ms[m]); 636 (void) printf("\n"); 637 } 638 } 639 640 static void 641 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 642 { 643 const ddt_phys_t *ddp = dde->dde_phys; 644 const ddt_key_t *ddk = &dde->dde_key; 645 char *types[4] = { "ditto", "single", "double", "triple" }; 646 char blkbuf[BP_SPRINTF_LEN]; 647 blkptr_t blk; 648 649 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 650 if (ddp->ddp_phys_birth == 0) 651 continue; 652 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 653 sprintf_blkptr(blkbuf, &blk); 654 (void) printf("index %llx refcnt %llu %s %s\n", 655 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 656 types[p], blkbuf); 657 } 658 } 659 660 static void 661 dump_dedup_ratio(const ddt_stat_t *dds) 662 { 663 double rL, rP, rD, D, dedup, compress, copies; 664 665 if (dds->dds_blocks == 0) 666 return; 667 668 rL = (double)dds->dds_ref_lsize; 669 rP = (double)dds->dds_ref_psize; 670 rD = (double)dds->dds_ref_dsize; 671 D = (double)dds->dds_dsize; 672 673 dedup = rD / D; 674 compress = rL / rP; 675 copies = rD / rP; 676 677 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 678 "dedup * compress / copies = %.2f\n\n", 679 dedup, compress, copies, dedup * compress / copies); 680 } 681 682 static void 683 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 684 { 685 char name[DDT_NAMELEN]; 686 ddt_entry_t dde; 687 uint64_t walk = 0; 688 dmu_object_info_t doi; 689 uint64_t count, dspace, mspace; 690 int error; 691 692 error = ddt_object_info(ddt, type, class, &doi); 693 694 if (error == ENOENT) 695 return; 696 ASSERT(error == 0); 697 698 count = ddt_object_count(ddt, type, class); 699 dspace = doi.doi_physical_blocks_512 << 9; 700 mspace = doi.doi_fill_count * doi.doi_data_block_size; 701 702 ASSERT(count != 0); /* we should have destroyed it */ 703 704 ddt_object_name(ddt, type, class, name); 705 706 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 707 name, 708 (u_longlong_t)count, 709 (u_longlong_t)(dspace / count), 710 (u_longlong_t)(mspace / count)); 711 712 if (dump_opt['D'] < 3) 713 return; 714 715 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 716 717 if (dump_opt['D'] < 4) 718 return; 719 720 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 721 return; 722 723 (void) printf("%s contents:\n\n", name); 724 725 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 726 dump_dde(ddt, &dde, walk); 727 728 ASSERT(error == ENOENT); 729 730 (void) printf("\n"); 731 } 732 733 static void 734 dump_all_ddts(spa_t *spa) 735 { 736 ddt_histogram_t ddh_total = { 0 }; 737 ddt_stat_t dds_total = { 0 }; 738 739 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 740 ddt_t *ddt = spa->spa_ddt[c]; 741 for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 742 for (enum ddt_class class = 0; class < DDT_CLASSES; 743 class++) { 744 dump_ddt(ddt, type, class); 745 } 746 } 747 } 748 749 ddt_get_dedup_stats(spa, &dds_total); 750 751 if (dds_total.dds_blocks == 0) { 752 (void) printf("All DDTs are empty\n"); 753 return; 754 } 755 756 (void) printf("\n"); 757 758 if (dump_opt['D'] > 1) { 759 (void) printf("DDT histogram (aggregated over all DDTs):\n"); 760 ddt_get_dedup_histogram(spa, &ddh_total); 761 zpool_dump_ddt(&dds_total, &ddh_total); 762 } 763 764 dump_dedup_ratio(&dds_total); 765 } 766 767 static void 768 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) 769 { 770 char *prefix = (void *)sm; 771 772 (void) printf("%s [%llu,%llu) length %llu\n", 773 prefix, 774 (u_longlong_t)start, 775 (u_longlong_t)(start + size), 776 (u_longlong_t)(size)); 777 } 778 779 static void 780 dump_dtl(vdev_t *vd, int indent) 781 { 782 spa_t *spa = vd->vdev_spa; 783 boolean_t required; 784 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 785 char prefix[256]; 786 787 spa_vdev_state_enter(spa, SCL_NONE); 788 required = vdev_dtl_required(vd); 789 (void) spa_vdev_state_exit(spa, NULL, 0); 790 791 if (indent == 0) 792 (void) printf("\nDirty time logs:\n\n"); 793 794 (void) printf("\t%*s%s [%s]\n", indent, "", 795 vd->vdev_path ? vd->vdev_path : 796 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 797 required ? "DTL-required" : "DTL-expendable"); 798 799 for (int t = 0; t < DTL_TYPES; t++) { 800 space_map_t *sm = &vd->vdev_dtl[t]; 801 if (sm->sm_space == 0) 802 continue; 803 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 804 indent + 2, "", name[t]); 805 mutex_enter(sm->sm_lock); 806 space_map_walk(sm, dump_dtl_seg, (void *)prefix); 807 mutex_exit(sm->sm_lock); 808 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 809 dump_spacemap(spa->spa_meta_objset, 810 &vd->vdev_dtl_smo, sm); 811 } 812 813 for (int c = 0; c < vd->vdev_children; c++) 814 dump_dtl(vd->vdev_child[c], indent + 4); 815 } 816 817 static void 818 dump_history(spa_t *spa) 819 { 820 nvlist_t **events = NULL; 821 char buf[SPA_MAXBLOCKSIZE]; 822 uint64_t resid, len, off = 0; 823 uint_t num = 0; 824 int error; 825 time_t tsec; 826 struct tm t; 827 char tbuf[30]; 828 char internalstr[MAXPATHLEN]; 829 830 do { 831 len = sizeof (buf); 832 833 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 834 (void) fprintf(stderr, "Unable to read history: " 835 "error %d\n", error); 836 return; 837 } 838 839 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 840 break; 841 842 off -= resid; 843 } while (len != 0); 844 845 (void) printf("\nHistory:\n"); 846 for (int i = 0; i < num; i++) { 847 uint64_t time, txg, ievent; 848 char *cmd, *intstr; 849 850 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 851 &time) != 0) 852 continue; 853 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 854 &cmd) != 0) { 855 if (nvlist_lookup_uint64(events[i], 856 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 857 continue; 858 verify(nvlist_lookup_uint64(events[i], 859 ZPOOL_HIST_TXG, &txg) == 0); 860 verify(nvlist_lookup_string(events[i], 861 ZPOOL_HIST_INT_STR, &intstr) == 0); 862 if (ievent >= LOG_END) 863 continue; 864 865 (void) snprintf(internalstr, 866 sizeof (internalstr), 867 "[internal %s txg:%lld] %s", 868 zfs_history_event_names[ievent], txg, 869 intstr); 870 cmd = internalstr; 871 } 872 tsec = time; 873 (void) localtime_r(&tsec, &t); 874 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 875 (void) printf("%s %s\n", tbuf, cmd); 876 } 877 } 878 879 /*ARGSUSED*/ 880 static void 881 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 882 { 883 } 884 885 static uint64_t 886 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb) 887 { 888 if (dnp == NULL) { 889 ASSERT(zb->zb_level < 0); 890 if (zb->zb_object == 0) 891 return (zb->zb_blkid); 892 return (zb->zb_blkid * BP_GET_LSIZE(bp)); 893 } 894 895 ASSERT(zb->zb_level >= 0); 896 897 return ((zb->zb_blkid << 898 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 899 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 900 } 901 902 static void 903 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp) 904 { 905 const dva_t *dva = bp->blk_dva; 906 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 907 908 if (dump_opt['b'] >= 5) { 909 sprintf_blkptr(blkbuf, bp); 910 return; 911 } 912 913 blkbuf[0] = '\0'; 914 915 for (int i = 0; i < ndvas; i++) 916 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", 917 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 918 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 919 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 920 921 (void) sprintf(blkbuf + strlen(blkbuf), 922 "%llxL/%llxP F=%llu B=%llu/%llu", 923 (u_longlong_t)BP_GET_LSIZE(bp), 924 (u_longlong_t)BP_GET_PSIZE(bp), 925 (u_longlong_t)bp->blk_fill, 926 (u_longlong_t)bp->blk_birth, 927 (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 928 } 929 930 static void 931 print_indirect(blkptr_t *bp, const zbookmark_t *zb, 932 const dnode_phys_t *dnp) 933 { 934 char blkbuf[BP_SPRINTF_LEN]; 935 int l; 936 937 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 938 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 939 940 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 941 942 ASSERT(zb->zb_level >= 0); 943 944 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 945 if (l == zb->zb_level) { 946 (void) printf("L%llx", (u_longlong_t)zb->zb_level); 947 } else { 948 (void) printf(" "); 949 } 950 } 951 952 sprintf_blkptr_compact(blkbuf, bp); 953 (void) printf("%s\n", blkbuf); 954 } 955 956 static int 957 visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 958 blkptr_t *bp, const zbookmark_t *zb) 959 { 960 int err = 0; 961 962 if (bp->blk_birth == 0) 963 return (0); 964 965 print_indirect(bp, zb, dnp); 966 967 if (BP_GET_LEVEL(bp) > 0) { 968 uint32_t flags = ARC_WAIT; 969 int i; 970 blkptr_t *cbp; 971 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 972 arc_buf_t *buf; 973 uint64_t fill = 0; 974 975 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf, 976 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 977 if (err) 978 return (err); 979 ASSERT(buf->b_data); 980 981 /* recursively visit blocks below this */ 982 cbp = buf->b_data; 983 for (i = 0; i < epb; i++, cbp++) { 984 zbookmark_t czb; 985 986 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 987 zb->zb_level - 1, 988 zb->zb_blkid * epb + i); 989 err = visit_indirect(spa, dnp, cbp, &czb); 990 if (err) 991 break; 992 fill += cbp->blk_fill; 993 } 994 if (!err) 995 ASSERT3U(fill, ==, bp->blk_fill); 996 (void) arc_buf_remove_ref(buf, &buf); 997 } 998 999 return (err); 1000 } 1001 1002 /*ARGSUSED*/ 1003 static void 1004 dump_indirect(dnode_t *dn) 1005 { 1006 dnode_phys_t *dnp = dn->dn_phys; 1007 int j; 1008 zbookmark_t czb; 1009 1010 (void) printf("Indirect blocks:\n"); 1011 1012 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 1013 dn->dn_object, dnp->dn_nlevels - 1, 0); 1014 for (j = 0; j < dnp->dn_nblkptr; j++) { 1015 czb.zb_blkid = j; 1016 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 1017 &dnp->dn_blkptr[j], &czb); 1018 } 1019 1020 (void) printf("\n"); 1021 } 1022 1023 /*ARGSUSED*/ 1024 static void 1025 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 1026 { 1027 dsl_dir_phys_t *dd = data; 1028 time_t crtime; 1029 char nice[32]; 1030 1031 if (dd == NULL) 1032 return; 1033 1034 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 1035 1036 crtime = dd->dd_creation_time; 1037 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1038 (void) printf("\t\thead_dataset_obj = %llu\n", 1039 (u_longlong_t)dd->dd_head_dataset_obj); 1040 (void) printf("\t\tparent_dir_obj = %llu\n", 1041 (u_longlong_t)dd->dd_parent_obj); 1042 (void) printf("\t\torigin_obj = %llu\n", 1043 (u_longlong_t)dd->dd_origin_obj); 1044 (void) printf("\t\tchild_dir_zapobj = %llu\n", 1045 (u_longlong_t)dd->dd_child_dir_zapobj); 1046 zdb_nicenum(dd->dd_used_bytes, nice); 1047 (void) printf("\t\tused_bytes = %s\n", nice); 1048 zdb_nicenum(dd->dd_compressed_bytes, nice); 1049 (void) printf("\t\tcompressed_bytes = %s\n", nice); 1050 zdb_nicenum(dd->dd_uncompressed_bytes, nice); 1051 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 1052 zdb_nicenum(dd->dd_quota, nice); 1053 (void) printf("\t\tquota = %s\n", nice); 1054 zdb_nicenum(dd->dd_reserved, nice); 1055 (void) printf("\t\treserved = %s\n", nice); 1056 (void) printf("\t\tprops_zapobj = %llu\n", 1057 (u_longlong_t)dd->dd_props_zapobj); 1058 (void) printf("\t\tdeleg_zapobj = %llu\n", 1059 (u_longlong_t)dd->dd_deleg_zapobj); 1060 (void) printf("\t\tflags = %llx\n", 1061 (u_longlong_t)dd->dd_flags); 1062 1063 #define DO(which) \ 1064 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 1065 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 1066 DO(HEAD); 1067 DO(SNAP); 1068 DO(CHILD); 1069 DO(CHILD_RSRV); 1070 DO(REFRSRV); 1071 #undef DO 1072 } 1073 1074 /*ARGSUSED*/ 1075 static void 1076 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 1077 { 1078 dsl_dataset_phys_t *ds = data; 1079 time_t crtime; 1080 char used[32], compressed[32], uncompressed[32], unique[32]; 1081 char blkbuf[BP_SPRINTF_LEN]; 1082 1083 if (ds == NULL) 1084 return; 1085 1086 ASSERT(size == sizeof (*ds)); 1087 crtime = ds->ds_creation_time; 1088 zdb_nicenum(ds->ds_used_bytes, used); 1089 zdb_nicenum(ds->ds_compressed_bytes, compressed); 1090 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed); 1091 zdb_nicenum(ds->ds_unique_bytes, unique); 1092 sprintf_blkptr(blkbuf, &ds->ds_bp); 1093 1094 (void) printf("\t\tdir_obj = %llu\n", 1095 (u_longlong_t)ds->ds_dir_obj); 1096 (void) printf("\t\tprev_snap_obj = %llu\n", 1097 (u_longlong_t)ds->ds_prev_snap_obj); 1098 (void) printf("\t\tprev_snap_txg = %llu\n", 1099 (u_longlong_t)ds->ds_prev_snap_txg); 1100 (void) printf("\t\tnext_snap_obj = %llu\n", 1101 (u_longlong_t)ds->ds_next_snap_obj); 1102 (void) printf("\t\tsnapnames_zapobj = %llu\n", 1103 (u_longlong_t)ds->ds_snapnames_zapobj); 1104 (void) printf("\t\tnum_children = %llu\n", 1105 (u_longlong_t)ds->ds_num_children); 1106 (void) printf("\t\tuserrefs_obj = %llu\n", 1107 (u_longlong_t)ds->ds_userrefs_obj); 1108 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1109 (void) printf("\t\tcreation_txg = %llu\n", 1110 (u_longlong_t)ds->ds_creation_txg); 1111 (void) printf("\t\tdeadlist_obj = %llu\n", 1112 (u_longlong_t)ds->ds_deadlist_obj); 1113 (void) printf("\t\tused_bytes = %s\n", used); 1114 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1115 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1116 (void) printf("\t\tunique = %s\n", unique); 1117 (void) printf("\t\tfsid_guid = %llu\n", 1118 (u_longlong_t)ds->ds_fsid_guid); 1119 (void) printf("\t\tguid = %llu\n", 1120 (u_longlong_t)ds->ds_guid); 1121 (void) printf("\t\tflags = %llx\n", 1122 (u_longlong_t)ds->ds_flags); 1123 (void) printf("\t\tnext_clones_obj = %llu\n", 1124 (u_longlong_t)ds->ds_next_clones_obj); 1125 (void) printf("\t\tprops_obj = %llu\n", 1126 (u_longlong_t)ds->ds_props_obj); 1127 (void) printf("\t\tbp = %s\n", blkbuf); 1128 } 1129 1130 /* ARGSUSED */ 1131 static int 1132 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1133 { 1134 char blkbuf[BP_SPRINTF_LEN]; 1135 1136 ASSERT(bp->blk_birth != 0); 1137 sprintf_blkptr_compact(blkbuf, bp); 1138 (void) printf("\t%s\n", blkbuf); 1139 return (0); 1140 } 1141 1142 static void 1143 dump_bpobj(bpobj_t *bpo, char *name) 1144 { 1145 char bytes[32]; 1146 char comp[32]; 1147 char uncomp[32]; 1148 1149 if (dump_opt['d'] < 3) 1150 return; 1151 1152 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes); 1153 if (bpo->bpo_havesubobj) { 1154 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp); 1155 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp); 1156 (void) printf("\n %s: %llu local blkptrs, %llu subobjs, " 1157 "%s (%s/%s comp)\n", 1158 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1159 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs, 1160 bytes, comp, uncomp); 1161 } else { 1162 (void) printf("\n %s: %llu blkptrs, %s\n", 1163 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, bytes); 1164 } 1165 1166 if (dump_opt['d'] < 5) 1167 return; 1168 1169 (void) printf("\n"); 1170 1171 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL); 1172 } 1173 1174 static void 1175 dump_deadlist(dsl_deadlist_t *dl) 1176 { 1177 dsl_deadlist_entry_t *dle; 1178 char bytes[32]; 1179 char comp[32]; 1180 char uncomp[32]; 1181 1182 if (dump_opt['d'] < 3) 1183 return; 1184 1185 zdb_nicenum(dl->dl_phys->dl_used, bytes); 1186 zdb_nicenum(dl->dl_phys->dl_comp, comp); 1187 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp); 1188 (void) printf("\n Deadlist: %s (%s/%s comp)\n", 1189 bytes, comp, uncomp); 1190 1191 if (dump_opt['d'] < 4) 1192 return; 1193 1194 (void) printf("\n"); 1195 1196 for (dle = avl_first(&dl->dl_tree); dle; 1197 dle = AVL_NEXT(&dl->dl_tree, dle)) { 1198 (void) printf(" mintxg %llu -> obj %llu\n", 1199 (longlong_t)dle->dle_mintxg, 1200 (longlong_t)dle->dle_bpobj.bpo_object); 1201 1202 if (dump_opt['d'] >= 5) 1203 dump_bpobj(&dle->dle_bpobj, ""); 1204 } 1205 } 1206 1207 static avl_tree_t idx_tree; 1208 static avl_tree_t domain_tree; 1209 static boolean_t fuid_table_loaded; 1210 static boolean_t sa_loaded; 1211 sa_attr_type_t *sa_attr_table; 1212 1213 static void 1214 fuid_table_destroy() 1215 { 1216 if (fuid_table_loaded) { 1217 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1218 fuid_table_loaded = B_FALSE; 1219 } 1220 } 1221 1222 /* 1223 * print uid or gid information. 1224 * For normal POSIX id just the id is printed in decimal format. 1225 * For CIFS files with FUID the fuid is printed in hex followed by 1226 * the doman-rid string. 1227 */ 1228 static void 1229 print_idstr(uint64_t id, const char *id_type) 1230 { 1231 if (FUID_INDEX(id)) { 1232 char *domain; 1233 1234 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1235 (void) printf("\t%s %llx [%s-%d]\n", id_type, 1236 (u_longlong_t)id, domain, (int)FUID_RID(id)); 1237 } else { 1238 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1239 } 1240 1241 } 1242 1243 static void 1244 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid) 1245 { 1246 uint32_t uid_idx, gid_idx; 1247 1248 uid_idx = FUID_INDEX(uid); 1249 gid_idx = FUID_INDEX(gid); 1250 1251 /* Load domain table, if not already loaded */ 1252 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1253 uint64_t fuid_obj; 1254 1255 /* first find the fuid object. It lives in the master node */ 1256 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1257 8, 1, &fuid_obj) == 0); 1258 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1259 (void) zfs_fuid_table_load(os, fuid_obj, 1260 &idx_tree, &domain_tree); 1261 fuid_table_loaded = B_TRUE; 1262 } 1263 1264 print_idstr(uid, "uid"); 1265 print_idstr(gid, "gid"); 1266 } 1267 1268 /*ARGSUSED*/ 1269 static void 1270 dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1271 { 1272 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 1273 sa_handle_t *hdl; 1274 uint64_t xattr, rdev, gen; 1275 uint64_t uid, gid, mode, fsize, parent, links; 1276 uint64_t pflags; 1277 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2]; 1278 time_t z_crtime, z_atime, z_mtime, z_ctime; 1279 sa_bulk_attr_t bulk[12]; 1280 int idx = 0; 1281 int error; 1282 1283 if (!sa_loaded) { 1284 uint64_t sa_attrs = 0; 1285 uint64_t version; 1286 1287 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR, 1288 8, 1, &version) == 0); 1289 if (version >= ZPL_VERSION_SA) { 1290 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 1291 8, 1, &sa_attrs) == 0); 1292 } 1293 sa_attr_table = sa_setup(os, sa_attrs, 1294 zfs_attr_table, ZPL_END); 1295 sa_loaded = B_TRUE; 1296 } 1297 1298 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) { 1299 (void) printf("Failed to get handle for SA znode\n"); 1300 return; 1301 } 1302 1303 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8); 1304 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8); 1305 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL, 1306 &links, 8); 1307 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8); 1308 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL, 1309 &mode, 8); 1310 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT], 1311 NULL, &parent, 8); 1312 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL, 1313 &fsize, 8); 1314 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL, 1315 acctm, 16); 1316 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL, 1317 modtm, 16); 1318 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL, 1319 crtm, 16); 1320 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL, 1321 chgtm, 16); 1322 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL, 1323 &pflags, 8); 1324 1325 if (sa_bulk_lookup(hdl, bulk, idx)) { 1326 (void) sa_handle_destroy(hdl); 1327 return; 1328 } 1329 1330 error = zfs_obj_to_path(os, object, path, sizeof (path)); 1331 if (error != 0) { 1332 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 1333 (u_longlong_t)object); 1334 } 1335 if (dump_opt['d'] < 3) { 1336 (void) printf("\t%s\n", path); 1337 (void) sa_handle_destroy(hdl); 1338 return; 1339 } 1340 1341 z_crtime = (time_t)crtm[0]; 1342 z_atime = (time_t)acctm[0]; 1343 z_mtime = (time_t)modtm[0]; 1344 z_ctime = (time_t)chgtm[0]; 1345 1346 (void) printf("\tpath %s\n", path); 1347 dump_uidgid(os, uid, gid); 1348 (void) printf("\tatime %s", ctime(&z_atime)); 1349 (void) printf("\tmtime %s", ctime(&z_mtime)); 1350 (void) printf("\tctime %s", ctime(&z_ctime)); 1351 (void) printf("\tcrtime %s", ctime(&z_crtime)); 1352 (void) printf("\tgen %llu\n", (u_longlong_t)gen); 1353 (void) printf("\tmode %llo\n", (u_longlong_t)mode); 1354 (void) printf("\tsize %llu\n", (u_longlong_t)fsize); 1355 (void) printf("\tparent %llu\n", (u_longlong_t)parent); 1356 (void) printf("\tlinks %llu\n", (u_longlong_t)links); 1357 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags); 1358 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr, 1359 sizeof (uint64_t)) == 0) 1360 (void) printf("\txattr %llu\n", (u_longlong_t)xattr); 1361 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev, 1362 sizeof (uint64_t)) == 0) 1363 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev); 1364 sa_handle_destroy(hdl); 1365 } 1366 1367 /*ARGSUSED*/ 1368 static void 1369 dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1370 { 1371 } 1372 1373 /*ARGSUSED*/ 1374 static void 1375 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1376 { 1377 } 1378 1379 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1380 dump_none, /* unallocated */ 1381 dump_zap, /* object directory */ 1382 dump_uint64, /* object array */ 1383 dump_none, /* packed nvlist */ 1384 dump_packed_nvlist, /* packed nvlist size */ 1385 dump_none, /* bplist */ 1386 dump_none, /* bplist header */ 1387 dump_none, /* SPA space map header */ 1388 dump_none, /* SPA space map */ 1389 dump_none, /* ZIL intent log */ 1390 dump_dnode, /* DMU dnode */ 1391 dump_dmu_objset, /* DMU objset */ 1392 dump_dsl_dir, /* DSL directory */ 1393 dump_zap, /* DSL directory child map */ 1394 dump_zap, /* DSL dataset snap map */ 1395 dump_zap, /* DSL props */ 1396 dump_dsl_dataset, /* DSL dataset */ 1397 dump_znode, /* ZFS znode */ 1398 dump_acl, /* ZFS V0 ACL */ 1399 dump_uint8, /* ZFS plain file */ 1400 dump_zpldir, /* ZFS directory */ 1401 dump_zap, /* ZFS master node */ 1402 dump_zap, /* ZFS delete queue */ 1403 dump_uint8, /* zvol object */ 1404 dump_zap, /* zvol prop */ 1405 dump_uint8, /* other uint8[] */ 1406 dump_uint64, /* other uint64[] */ 1407 dump_zap, /* other ZAP */ 1408 dump_zap, /* persistent error log */ 1409 dump_uint8, /* SPA history */ 1410 dump_uint64, /* SPA history offsets */ 1411 dump_zap, /* Pool properties */ 1412 dump_zap, /* DSL permissions */ 1413 dump_acl, /* ZFS ACL */ 1414 dump_uint8, /* ZFS SYSACL */ 1415 dump_none, /* FUID nvlist */ 1416 dump_packed_nvlist, /* FUID nvlist size */ 1417 dump_zap, /* DSL dataset next clones */ 1418 dump_zap, /* DSL scrub queue */ 1419 dump_zap, /* ZFS user/group used */ 1420 dump_zap, /* ZFS user/group quota */ 1421 dump_zap, /* snapshot refcount tags */ 1422 dump_ddt_zap, /* DDT ZAP object */ 1423 dump_zap, /* DDT statistics */ 1424 dump_znode, /* SA object */ 1425 dump_zap, /* SA Master Node */ 1426 dump_sa_attrs, /* SA attribute registration */ 1427 dump_sa_layouts, /* SA attribute layouts */ 1428 dump_zap, /* DSL scrub translations */ 1429 dump_none, /* fake dedup BP */ 1430 dump_zap, /* deadlist */ 1431 dump_none, /* deadlist hdr */ 1432 dump_zap, /* dsl clones */ 1433 dump_none, /* bpobj subobjs */ 1434 dump_unknown, /* Unknown type, must be last */ 1435 }; 1436 1437 static void 1438 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1439 { 1440 dmu_buf_t *db = NULL; 1441 dmu_object_info_t doi; 1442 dnode_t *dn; 1443 void *bonus = NULL; 1444 size_t bsize = 0; 1445 char iblk[32], dblk[32], lsize[32], asize[32], fill[32]; 1446 char bonus_size[32]; 1447 char aux[50]; 1448 int error; 1449 1450 if (*print_header) { 1451 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 1452 "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 1453 "%full", "type"); 1454 *print_header = 0; 1455 } 1456 1457 if (object == 0) { 1458 dn = os->os_meta_dnode; 1459 } else { 1460 error = dmu_bonus_hold(os, object, FTAG, &db); 1461 if (error) 1462 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1463 object, error); 1464 bonus = db->db_data; 1465 bsize = db->db_size; 1466 dn = ((dmu_buf_impl_t *)db)->db_dnode; 1467 } 1468 dmu_object_info_from_dnode(dn, &doi); 1469 1470 zdb_nicenum(doi.doi_metadata_block_size, iblk); 1471 zdb_nicenum(doi.doi_data_block_size, dblk); 1472 zdb_nicenum(doi.doi_max_offset, lsize); 1473 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize); 1474 zdb_nicenum(doi.doi_bonus_size, bonus_size); 1475 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 1476 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 1477 doi.doi_max_offset); 1478 1479 aux[0] = '\0'; 1480 1481 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1482 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1483 ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1484 } 1485 1486 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1487 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1488 ZDB_COMPRESS_NAME(doi.doi_compress)); 1489 } 1490 1491 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 1492 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 1493 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 1494 1495 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1496 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 1497 "", "", "", "", "", bonus_size, "bonus", 1498 ZDB_OT_NAME(doi.doi_bonus_type)); 1499 } 1500 1501 if (verbosity >= 4) { 1502 (void) printf("\tdnode flags: %s%s%s\n", 1503 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1504 "USED_BYTES " : "", 1505 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1506 "USERUSED_ACCOUNTED " : "", 1507 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? 1508 "SPILL_BLKPTR" : ""); 1509 (void) printf("\tdnode maxblkid: %llu\n", 1510 (longlong_t)dn->dn_phys->dn_maxblkid); 1511 1512 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 1513 bonus, bsize); 1514 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1515 *print_header = 1; 1516 } 1517 1518 if (verbosity >= 5) 1519 dump_indirect(dn); 1520 1521 if (verbosity >= 5) { 1522 /* 1523 * Report the list of segments that comprise the object. 1524 */ 1525 uint64_t start = 0; 1526 uint64_t end; 1527 uint64_t blkfill = 1; 1528 int minlvl = 1; 1529 1530 if (dn->dn_type == DMU_OT_DNODE) { 1531 minlvl = 0; 1532 blkfill = DNODES_PER_BLOCK; 1533 } 1534 1535 for (;;) { 1536 char segsize[32]; 1537 error = dnode_next_offset(dn, 1538 0, &start, minlvl, blkfill, 0); 1539 if (error) 1540 break; 1541 end = start; 1542 error = dnode_next_offset(dn, 1543 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1544 zdb_nicenum(end - start, segsize); 1545 (void) printf("\t\tsegment [%016llx, %016llx)" 1546 " size %5s\n", (u_longlong_t)start, 1547 (u_longlong_t)end, segsize); 1548 if (error) 1549 break; 1550 start = end; 1551 } 1552 } 1553 1554 if (db != NULL) 1555 dmu_buf_rele(db, FTAG); 1556 } 1557 1558 static char *objset_types[DMU_OST_NUMTYPES] = { 1559 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1560 1561 static void 1562 dump_dir(objset_t *os) 1563 { 1564 dmu_objset_stats_t dds; 1565 uint64_t object, object_count; 1566 uint64_t refdbytes, usedobjs, scratch; 1567 char numbuf[32]; 1568 char blkbuf[BP_SPRINTF_LEN + 20]; 1569 char osname[MAXNAMELEN]; 1570 char *type = "UNKNOWN"; 1571 int verbosity = dump_opt['d']; 1572 int print_header = 1; 1573 int i, error; 1574 1575 dmu_objset_fast_stat(os, &dds); 1576 1577 if (dds.dds_type < DMU_OST_NUMTYPES) 1578 type = objset_types[dds.dds_type]; 1579 1580 if (dds.dds_type == DMU_OST_META) { 1581 dds.dds_creation_txg = TXG_INITIAL; 1582 usedobjs = os->os_rootbp->blk_fill; 1583 refdbytes = os->os_spa->spa_dsl_pool-> 1584 dp_mos_dir->dd_phys->dd_used_bytes; 1585 } else { 1586 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1587 } 1588 1589 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill); 1590 1591 zdb_nicenum(refdbytes, numbuf); 1592 1593 if (verbosity >= 4) { 1594 (void) sprintf(blkbuf, ", rootbp "); 1595 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp); 1596 } else { 1597 blkbuf[0] = '\0'; 1598 } 1599 1600 dmu_objset_name(os, osname); 1601 1602 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1603 "%s, %llu objects%s\n", 1604 osname, type, (u_longlong_t)dmu_objset_id(os), 1605 (u_longlong_t)dds.dds_creation_txg, 1606 numbuf, (u_longlong_t)usedobjs, blkbuf); 1607 1608 if (zopt_objects != 0) { 1609 for (i = 0; i < zopt_objects; i++) 1610 dump_object(os, zopt_object[i], verbosity, 1611 &print_header); 1612 (void) printf("\n"); 1613 return; 1614 } 1615 1616 if (dump_opt['i'] != 0 || verbosity >= 2) 1617 dump_intent_log(dmu_objset_zil(os)); 1618 1619 if (dmu_objset_ds(os) != NULL) 1620 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist); 1621 1622 if (verbosity < 2) 1623 return; 1624 1625 if (os->os_rootbp->blk_birth == 0) 1626 return; 1627 1628 dump_object(os, 0, verbosity, &print_header); 1629 object_count = 0; 1630 if (os->os_userused_dnode && 1631 os->os_userused_dnode->dn_type != 0) { 1632 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1633 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1634 } 1635 1636 object = 0; 1637 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1638 dump_object(os, object, verbosity, &print_header); 1639 object_count++; 1640 } 1641 1642 ASSERT3U(object_count, ==, usedobjs); 1643 1644 (void) printf("\n"); 1645 1646 if (error != ESRCH) { 1647 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1648 abort(); 1649 } 1650 } 1651 1652 static void 1653 dump_uberblock(uberblock_t *ub, const char *header, const char *footer) 1654 { 1655 time_t timestamp = ub->ub_timestamp; 1656 1657 (void) printf(header ? header : ""); 1658 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1659 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1660 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1661 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1662 (void) printf("\ttimestamp = %llu UTC = %s", 1663 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1664 if (dump_opt['u'] >= 3) { 1665 char blkbuf[BP_SPRINTF_LEN]; 1666 sprintf_blkptr(blkbuf, &ub->ub_rootbp); 1667 (void) printf("\trootbp = %s\n", blkbuf); 1668 } 1669 (void) printf(footer ? footer : ""); 1670 } 1671 1672 static void 1673 dump_config(spa_t *spa) 1674 { 1675 dmu_buf_t *db; 1676 size_t nvsize = 0; 1677 int error = 0; 1678 1679 1680 error = dmu_bonus_hold(spa->spa_meta_objset, 1681 spa->spa_config_object, FTAG, &db); 1682 1683 if (error == 0) { 1684 nvsize = *(uint64_t *)db->db_data; 1685 dmu_buf_rele(db, FTAG); 1686 1687 (void) printf("\nMOS Configuration:\n"); 1688 dump_packed_nvlist(spa->spa_meta_objset, 1689 spa->spa_config_object, (void *)&nvsize, 1); 1690 } else { 1691 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 1692 (u_longlong_t)spa->spa_config_object, error); 1693 } 1694 } 1695 1696 static void 1697 dump_cachefile(const char *cachefile) 1698 { 1699 int fd; 1700 struct stat64 statbuf; 1701 char *buf; 1702 nvlist_t *config; 1703 1704 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1705 (void) printf("cannot open '%s': %s\n", cachefile, 1706 strerror(errno)); 1707 exit(1); 1708 } 1709 1710 if (fstat64(fd, &statbuf) != 0) { 1711 (void) printf("failed to stat '%s': %s\n", cachefile, 1712 strerror(errno)); 1713 exit(1); 1714 } 1715 1716 if ((buf = malloc(statbuf.st_size)) == NULL) { 1717 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1718 (u_longlong_t)statbuf.st_size); 1719 exit(1); 1720 } 1721 1722 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1723 (void) fprintf(stderr, "failed to read %llu bytes\n", 1724 (u_longlong_t)statbuf.st_size); 1725 exit(1); 1726 } 1727 1728 (void) close(fd); 1729 1730 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1731 (void) fprintf(stderr, "failed to unpack nvlist\n"); 1732 exit(1); 1733 } 1734 1735 free(buf); 1736 1737 dump_nvlist(config, 0); 1738 1739 nvlist_free(config); 1740 } 1741 1742 #define ZDB_MAX_UB_HEADER_SIZE 32 1743 1744 static void 1745 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 1746 { 1747 vdev_t vd; 1748 vdev_t *vdp = &vd; 1749 char header[ZDB_MAX_UB_HEADER_SIZE]; 1750 1751 vd.vdev_ashift = ashift; 1752 vdp->vdev_top = vdp; 1753 1754 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 1755 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 1756 uberblock_t *ub = (void *)((char *)lbl + uoff); 1757 1758 if (uberblock_verify(ub)) 1759 continue; 1760 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 1761 "Uberblock[%d]\n", i); 1762 dump_uberblock(ub, header, ""); 1763 } 1764 } 1765 1766 static void 1767 dump_label(const char *dev) 1768 { 1769 int fd; 1770 vdev_label_t label; 1771 char *path, *buf = label.vl_vdev_phys.vp_nvlist; 1772 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1773 struct stat64 statbuf; 1774 uint64_t psize, ashift; 1775 int len = strlen(dev) + 1; 1776 1777 if (strncmp(dev, "/dev/dsk/", 9) == 0) { 1778 len++; 1779 path = malloc(len); 1780 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9); 1781 } else { 1782 path = strdup(dev); 1783 } 1784 1785 if ((fd = open64(path, O_RDONLY)) < 0) { 1786 (void) printf("cannot open '%s': %s\n", path, strerror(errno)); 1787 free(path); 1788 exit(1); 1789 } 1790 1791 if (fstat64(fd, &statbuf) != 0) { 1792 (void) printf("failed to stat '%s': %s\n", path, 1793 strerror(errno)); 1794 free(path); 1795 (void) close(fd); 1796 exit(1); 1797 } 1798 1799 if (S_ISBLK(statbuf.st_mode)) { 1800 (void) printf("cannot use '%s': character device required\n", 1801 path); 1802 free(path); 1803 (void) close(fd); 1804 exit(1); 1805 } 1806 1807 psize = statbuf.st_size; 1808 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1809 1810 for (int l = 0; l < VDEV_LABELS; l++) { 1811 nvlist_t *config = NULL; 1812 1813 (void) printf("--------------------------------------------\n"); 1814 (void) printf("LABEL %d\n", l); 1815 (void) printf("--------------------------------------------\n"); 1816 1817 if (pread64(fd, &label, sizeof (label), 1818 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1819 (void) printf("failed to read label %d\n", l); 1820 continue; 1821 } 1822 1823 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1824 (void) printf("failed to unpack label %d\n", l); 1825 ashift = SPA_MINBLOCKSHIFT; 1826 } else { 1827 nvlist_t *vdev_tree = NULL; 1828 1829 dump_nvlist(config, 4); 1830 if ((nvlist_lookup_nvlist(config, 1831 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 1832 (nvlist_lookup_uint64(vdev_tree, 1833 ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 1834 ashift = SPA_MINBLOCKSHIFT; 1835 nvlist_free(config); 1836 } 1837 if (dump_opt['u']) 1838 dump_label_uberblocks(&label, ashift); 1839 } 1840 1841 free(path); 1842 (void) close(fd); 1843 } 1844 1845 /*ARGSUSED*/ 1846 static int 1847 dump_one_dir(const char *dsname, void *arg) 1848 { 1849 int error; 1850 objset_t *os; 1851 1852 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 1853 if (error) { 1854 (void) printf("Could not open %s, error %d\n", dsname, error); 1855 return (0); 1856 } 1857 dump_dir(os); 1858 dmu_objset_disown(os, FTAG); 1859 fuid_table_destroy(); 1860 sa_loaded = B_FALSE; 1861 return (0); 1862 } 1863 1864 /* 1865 * Block statistics. 1866 */ 1867 typedef struct zdb_blkstats { 1868 uint64_t zb_asize; 1869 uint64_t zb_lsize; 1870 uint64_t zb_psize; 1871 uint64_t zb_count; 1872 } zdb_blkstats_t; 1873 1874 /* 1875 * Extended object types to report deferred frees and dedup auto-ditto blocks. 1876 */ 1877 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 1878 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 1879 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2) 1880 1881 static char *zdb_ot_extname[] = { 1882 "deferred free", 1883 "dedup ditto", 1884 "Total", 1885 }; 1886 1887 #define ZB_TOTAL DN_MAX_LEVELS 1888 1889 typedef struct zdb_cb { 1890 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 1891 uint64_t zcb_dedup_asize; 1892 uint64_t zcb_dedup_blocks; 1893 uint64_t zcb_errors[256]; 1894 int zcb_readfails; 1895 int zcb_haderrors; 1896 spa_t *zcb_spa; 1897 } zdb_cb_t; 1898 1899 static void 1900 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp, 1901 dmu_object_type_t type) 1902 { 1903 uint64_t refcnt = 0; 1904 1905 ASSERT(type < ZDB_OT_TOTAL); 1906 1907 if (zilog && zil_bp_tree_add(zilog, bp) != 0) 1908 return; 1909 1910 for (int i = 0; i < 4; i++) { 1911 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 1912 int t = (i & 1) ? type : ZDB_OT_TOTAL; 1913 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 1914 1915 zb->zb_asize += BP_GET_ASIZE(bp); 1916 zb->zb_lsize += BP_GET_LSIZE(bp); 1917 zb->zb_psize += BP_GET_PSIZE(bp); 1918 zb->zb_count++; 1919 } 1920 1921 if (dump_opt['L']) 1922 return; 1923 1924 if (BP_GET_DEDUP(bp)) { 1925 ddt_t *ddt; 1926 ddt_entry_t *dde; 1927 1928 ddt = ddt_select(zcb->zcb_spa, bp); 1929 ddt_enter(ddt); 1930 dde = ddt_lookup(ddt, bp, B_FALSE); 1931 1932 if (dde == NULL) { 1933 refcnt = 0; 1934 } else { 1935 ddt_phys_t *ddp = ddt_phys_select(dde, bp); 1936 ddt_phys_decref(ddp); 1937 refcnt = ddp->ddp_refcnt; 1938 if (ddt_phys_total_refcnt(dde) == 0) 1939 ddt_remove(ddt, dde); 1940 } 1941 ddt_exit(ddt); 1942 } 1943 1944 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa, 1945 refcnt ? 0 : spa_first_txg(zcb->zcb_spa), 1946 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 1947 } 1948 1949 /* ARGSUSED */ 1950 static int 1951 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf, 1952 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 1953 { 1954 zdb_cb_t *zcb = arg; 1955 char blkbuf[BP_SPRINTF_LEN]; 1956 dmu_object_type_t type; 1957 boolean_t is_metadata; 1958 1959 if (bp == NULL) 1960 return (0); 1961 1962 type = BP_GET_TYPE(bp); 1963 1964 zdb_count_block(zcb, zilog, bp, type); 1965 1966 is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata); 1967 1968 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) { 1969 int ioerr; 1970 size_t size = BP_GET_PSIZE(bp); 1971 void *data = malloc(size); 1972 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 1973 1974 /* If it's an intent log block, failure is expected. */ 1975 if (zb->zb_level == ZB_ZIL_LEVEL) 1976 flags |= ZIO_FLAG_SPECULATIVE; 1977 1978 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size, 1979 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 1980 1981 free(data); 1982 1983 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) { 1984 zcb->zcb_haderrors = 1; 1985 zcb->zcb_errors[ioerr]++; 1986 1987 if (dump_opt['b'] >= 2) 1988 sprintf_blkptr(blkbuf, bp); 1989 else 1990 blkbuf[0] = '\0'; 1991 1992 (void) printf("zdb_blkptr_cb: " 1993 "Got error %d reading " 1994 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 1995 ioerr, 1996 (u_longlong_t)zb->zb_objset, 1997 (u_longlong_t)zb->zb_object, 1998 (u_longlong_t)zb->zb_level, 1999 (u_longlong_t)zb->zb_blkid, 2000 blkbuf); 2001 } 2002 } 2003 2004 zcb->zcb_readfails = 0; 2005 2006 if (dump_opt['b'] >= 4) { 2007 sprintf_blkptr(blkbuf, bp); 2008 (void) printf("objset %llu object %llu " 2009 "level %lld offset 0x%llx %s\n", 2010 (u_longlong_t)zb->zb_objset, 2011 (u_longlong_t)zb->zb_object, 2012 (longlong_t)zb->zb_level, 2013 (u_longlong_t)blkid2offset(dnp, bp, zb), 2014 blkbuf); 2015 } 2016 2017 return (0); 2018 } 2019 2020 static void 2021 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 2022 { 2023 vdev_t *vd = sm->sm_ppd; 2024 2025 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 2026 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 2027 } 2028 2029 /* ARGSUSED */ 2030 static void 2031 zdb_space_map_load(space_map_t *sm) 2032 { 2033 } 2034 2035 static void 2036 zdb_space_map_unload(space_map_t *sm) 2037 { 2038 space_map_vacate(sm, zdb_leak, sm); 2039 } 2040 2041 /* ARGSUSED */ 2042 static void 2043 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 2044 { 2045 } 2046 2047 static space_map_ops_t zdb_space_map_ops = { 2048 zdb_space_map_load, 2049 zdb_space_map_unload, 2050 NULL, /* alloc */ 2051 zdb_space_map_claim, 2052 NULL, /* free */ 2053 NULL /* maxsize */ 2054 }; 2055 2056 static void 2057 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 2058 { 2059 ddt_bookmark_t ddb = { 0 }; 2060 ddt_entry_t dde; 2061 int error; 2062 2063 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 2064 blkptr_t blk; 2065 ddt_phys_t *ddp = dde.dde_phys; 2066 2067 if (ddb.ddb_class == DDT_CLASS_UNIQUE) 2068 return; 2069 2070 ASSERT(ddt_phys_total_refcnt(&dde) > 1); 2071 2072 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 2073 if (ddp->ddp_phys_birth == 0) 2074 continue; 2075 ddt_bp_create(ddb.ddb_checksum, 2076 &dde.dde_key, ddp, &blk); 2077 if (p == DDT_PHYS_DITTO) { 2078 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO); 2079 } else { 2080 zcb->zcb_dedup_asize += 2081 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 2082 zcb->zcb_dedup_blocks++; 2083 } 2084 } 2085 if (!dump_opt['L']) { 2086 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 2087 ddt_enter(ddt); 2088 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 2089 ddt_exit(ddt); 2090 } 2091 } 2092 2093 ASSERT(error == ENOENT); 2094 } 2095 2096 static void 2097 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 2098 { 2099 zcb->zcb_spa = spa; 2100 2101 if (!dump_opt['L']) { 2102 vdev_t *rvd = spa->spa_root_vdev; 2103 for (int c = 0; c < rvd->vdev_children; c++) { 2104 vdev_t *vd = rvd->vdev_child[c]; 2105 for (int m = 0; m < vd->vdev_ms_count; m++) { 2106 metaslab_t *msp = vd->vdev_ms[m]; 2107 mutex_enter(&msp->ms_lock); 2108 space_map_unload(&msp->ms_map); 2109 VERIFY(space_map_load(&msp->ms_map, 2110 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo, 2111 spa->spa_meta_objset) == 0); 2112 msp->ms_map.sm_ppd = vd; 2113 mutex_exit(&msp->ms_lock); 2114 } 2115 } 2116 } 2117 2118 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2119 2120 zdb_ddt_leak_init(spa, zcb); 2121 2122 spa_config_exit(spa, SCL_CONFIG, FTAG); 2123 } 2124 2125 static void 2126 zdb_leak_fini(spa_t *spa) 2127 { 2128 if (!dump_opt['L']) { 2129 vdev_t *rvd = spa->spa_root_vdev; 2130 for (int c = 0; c < rvd->vdev_children; c++) { 2131 vdev_t *vd = rvd->vdev_child[c]; 2132 for (int m = 0; m < vd->vdev_ms_count; m++) { 2133 metaslab_t *msp = vd->vdev_ms[m]; 2134 mutex_enter(&msp->ms_lock); 2135 space_map_unload(&msp->ms_map); 2136 mutex_exit(&msp->ms_lock); 2137 } 2138 } 2139 } 2140 } 2141 2142 /* ARGSUSED */ 2143 static int 2144 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 2145 { 2146 zdb_cb_t *zcb = arg; 2147 2148 if (dump_opt['b'] >= 4) { 2149 char blkbuf[BP_SPRINTF_LEN]; 2150 sprintf_blkptr(blkbuf, bp); 2151 (void) printf("[%s] %s\n", 2152 "deferred free", blkbuf); 2153 } 2154 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED); 2155 return (0); 2156 } 2157 2158 static int 2159 dump_block_stats(spa_t *spa) 2160 { 2161 zdb_cb_t zcb = { 0 }; 2162 zdb_blkstats_t *zb, *tzb; 2163 uint64_t norm_alloc, norm_space, total_alloc, total_found; 2164 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 2165 int leaks = 0; 2166 2167 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n", 2168 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 2169 (dump_opt['c'] == 1) ? "metadata " : "", 2170 dump_opt['c'] ? "checksums " : "", 2171 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 2172 !dump_opt['L'] ? "nothing leaked " : ""); 2173 2174 /* 2175 * Load all space maps as SM_ALLOC maps, then traverse the pool 2176 * claiming each block we discover. If the pool is perfectly 2177 * consistent, the space maps will be empty when we're done. 2178 * Anything left over is a leak; any block we can't claim (because 2179 * it's not part of any space map) is a double allocation, 2180 * reference to a freed block, or an unclaimed log block. 2181 */ 2182 zdb_leak_init(spa, &zcb); 2183 2184 /* 2185 * If there's a deferred-free bplist, process that first. 2186 */ 2187 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj, 2188 count_block_cb, &zcb, NULL); 2189 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj, 2190 count_block_cb, &zcb, NULL); 2191 2192 if (dump_opt['c'] > 1) 2193 flags |= TRAVERSE_PREFETCH_DATA; 2194 2195 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 2196 2197 if (zcb.zcb_haderrors) { 2198 (void) printf("\nError counts:\n\n"); 2199 (void) printf("\t%5s %s\n", "errno", "count"); 2200 for (int e = 0; e < 256; e++) { 2201 if (zcb.zcb_errors[e] != 0) { 2202 (void) printf("\t%5d %llu\n", 2203 e, (u_longlong_t)zcb.zcb_errors[e]); 2204 } 2205 } 2206 } 2207 2208 /* 2209 * Report any leaked segments. 2210 */ 2211 zdb_leak_fini(spa); 2212 2213 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 2214 2215 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 2216 norm_space = metaslab_class_get_space(spa_normal_class(spa)); 2217 2218 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 2219 total_found = tzb->zb_asize - zcb.zcb_dedup_asize; 2220 2221 if (total_found == total_alloc) { 2222 if (!dump_opt['L']) 2223 (void) printf("\n\tNo leaks (block sum matches space" 2224 " maps exactly)\n"); 2225 } else { 2226 (void) printf("block traversal size %llu != alloc %llu " 2227 "(%s %lld)\n", 2228 (u_longlong_t)total_found, 2229 (u_longlong_t)total_alloc, 2230 (dump_opt['L']) ? "unreachable" : "leaked", 2231 (longlong_t)(total_alloc - total_found)); 2232 leaks = 1; 2233 } 2234 2235 if (tzb->zb_count == 0) 2236 return (2); 2237 2238 (void) printf("\n"); 2239 (void) printf("\tbp count: %10llu\n", 2240 (u_longlong_t)tzb->zb_count); 2241 (void) printf("\tbp logical: %10llu avg: %6llu\n", 2242 (u_longlong_t)tzb->zb_lsize, 2243 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 2244 (void) printf("\tbp physical: %10llu avg:" 2245 " %6llu compression: %6.2f\n", 2246 (u_longlong_t)tzb->zb_psize, 2247 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 2248 (double)tzb->zb_lsize / tzb->zb_psize); 2249 (void) printf("\tbp allocated: %10llu avg:" 2250 " %6llu compression: %6.2f\n", 2251 (u_longlong_t)tzb->zb_asize, 2252 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 2253 (double)tzb->zb_lsize / tzb->zb_asize); 2254 (void) printf("\tbp deduped: %10llu ref>1:" 2255 " %6llu deduplication: %6.2f\n", 2256 (u_longlong_t)zcb.zcb_dedup_asize, 2257 (u_longlong_t)zcb.zcb_dedup_blocks, 2258 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 2259 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 2260 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 2261 2262 if (dump_opt['b'] >= 2) { 2263 int l, t, level; 2264 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 2265 "\t avg\t comp\t%%Total\tType\n"); 2266 2267 for (t = 0; t <= ZDB_OT_TOTAL; t++) { 2268 char csize[32], lsize[32], psize[32], asize[32]; 2269 char avg[32]; 2270 char *typename; 2271 2272 if (t < DMU_OT_NUMTYPES) 2273 typename = dmu_ot[t].ot_name; 2274 else 2275 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 2276 2277 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 2278 (void) printf("%6s\t%5s\t%5s\t%5s" 2279 "\t%5s\t%5s\t%6s\t%s\n", 2280 "-", 2281 "-", 2282 "-", 2283 "-", 2284 "-", 2285 "-", 2286 "-", 2287 typename); 2288 continue; 2289 } 2290 2291 for (l = ZB_TOTAL - 1; l >= -1; l--) { 2292 level = (l == -1 ? ZB_TOTAL : l); 2293 zb = &zcb.zcb_type[level][t]; 2294 2295 if (zb->zb_asize == 0) 2296 continue; 2297 2298 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 2299 continue; 2300 2301 if (level == 0 && zb->zb_asize == 2302 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 2303 continue; 2304 2305 zdb_nicenum(zb->zb_count, csize); 2306 zdb_nicenum(zb->zb_lsize, lsize); 2307 zdb_nicenum(zb->zb_psize, psize); 2308 zdb_nicenum(zb->zb_asize, asize); 2309 zdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2310 2311 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 2312 "\t%5.2f\t%6.2f\t", 2313 csize, lsize, psize, asize, avg, 2314 (double)zb->zb_lsize / zb->zb_psize, 2315 100.0 * zb->zb_asize / tzb->zb_asize); 2316 2317 if (level == ZB_TOTAL) 2318 (void) printf("%s\n", typename); 2319 else 2320 (void) printf(" L%d %s\n", 2321 level, typename); 2322 } 2323 } 2324 } 2325 2326 (void) printf("\n"); 2327 2328 if (leaks) 2329 return (2); 2330 2331 if (zcb.zcb_haderrors) 2332 return (3); 2333 2334 return (0); 2335 } 2336 2337 typedef struct zdb_ddt_entry { 2338 ddt_key_t zdde_key; 2339 uint64_t zdde_ref_blocks; 2340 uint64_t zdde_ref_lsize; 2341 uint64_t zdde_ref_psize; 2342 uint64_t zdde_ref_dsize; 2343 avl_node_t zdde_node; 2344 } zdb_ddt_entry_t; 2345 2346 /* ARGSUSED */ 2347 static int 2348 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2349 arc_buf_t *pbuf, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 2350 { 2351 avl_tree_t *t = arg; 2352 avl_index_t where; 2353 zdb_ddt_entry_t *zdde, zdde_search; 2354 2355 if (bp == NULL) 2356 return (0); 2357 2358 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 2359 (void) printf("traversing objset %llu, %llu objects, " 2360 "%lu blocks so far\n", 2361 (u_longlong_t)zb->zb_objset, 2362 (u_longlong_t)bp->blk_fill, 2363 avl_numnodes(t)); 2364 } 2365 2366 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 2367 BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata) 2368 return (0); 2369 2370 ddt_key_fill(&zdde_search.zdde_key, bp); 2371 2372 zdde = avl_find(t, &zdde_search, &where); 2373 2374 if (zdde == NULL) { 2375 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 2376 zdde->zdde_key = zdde_search.zdde_key; 2377 avl_insert(t, zdde, where); 2378 } 2379 2380 zdde->zdde_ref_blocks += 1; 2381 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 2382 zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 2383 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 2384 2385 return (0); 2386 } 2387 2388 static void 2389 dump_simulated_ddt(spa_t *spa) 2390 { 2391 avl_tree_t t; 2392 void *cookie = NULL; 2393 zdb_ddt_entry_t *zdde; 2394 ddt_histogram_t ddh_total = { 0 }; 2395 ddt_stat_t dds_total = { 0 }; 2396 2397 avl_create(&t, ddt_entry_compare, 2398 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 2399 2400 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2401 2402 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 2403 zdb_ddt_add_cb, &t); 2404 2405 spa_config_exit(spa, SCL_CONFIG, FTAG); 2406 2407 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 2408 ddt_stat_t dds; 2409 uint64_t refcnt = zdde->zdde_ref_blocks; 2410 ASSERT(refcnt != 0); 2411 2412 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 2413 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 2414 dds.dds_psize = zdde->zdde_ref_psize / refcnt; 2415 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 2416 2417 dds.dds_ref_blocks = zdde->zdde_ref_blocks; 2418 dds.dds_ref_lsize = zdde->zdde_ref_lsize; 2419 dds.dds_ref_psize = zdde->zdde_ref_psize; 2420 dds.dds_ref_dsize = zdde->zdde_ref_dsize; 2421 2422 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0); 2423 2424 umem_free(zdde, sizeof (*zdde)); 2425 } 2426 2427 avl_destroy(&t); 2428 2429 ddt_histogram_stat(&dds_total, &ddh_total); 2430 2431 (void) printf("Simulated DDT histogram:\n"); 2432 2433 zpool_dump_ddt(&dds_total, &ddh_total); 2434 2435 dump_dedup_ratio(&dds_total); 2436 } 2437 2438 static void 2439 dump_zpool(spa_t *spa) 2440 { 2441 dsl_pool_t *dp = spa_get_dsl(spa); 2442 int rc = 0; 2443 2444 if (dump_opt['S']) { 2445 dump_simulated_ddt(spa); 2446 return; 2447 } 2448 2449 if (!dump_opt['e'] && dump_opt['C'] > 1) { 2450 (void) printf("\nCached configuration:\n"); 2451 dump_nvlist(spa->spa_config, 8); 2452 } 2453 2454 if (dump_opt['C']) 2455 dump_config(spa); 2456 2457 if (dump_opt['u']) 2458 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 2459 2460 if (dump_opt['D']) 2461 dump_all_ddts(spa); 2462 2463 if (dump_opt['d'] > 2 || dump_opt['m']) 2464 dump_metaslabs(spa); 2465 2466 if (dump_opt['d'] || dump_opt['i']) { 2467 dump_dir(dp->dp_meta_objset); 2468 if (dump_opt['d'] >= 3) { 2469 dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees"); 2470 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2471 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj, 2472 "Pool frees"); 2473 } 2474 dump_dtl(spa->spa_root_vdev, 0); 2475 } 2476 (void) dmu_objset_find(spa_name(spa), dump_one_dir, 2477 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 2478 } 2479 if (dump_opt['b'] || dump_opt['c']) 2480 rc = dump_block_stats(spa); 2481 2482 if (dump_opt['s']) 2483 show_pool_stats(spa); 2484 2485 if (dump_opt['h']) 2486 dump_history(spa); 2487 2488 if (rc != 0) 2489 exit(rc); 2490 } 2491 2492 #define ZDB_FLAG_CHECKSUM 0x0001 2493 #define ZDB_FLAG_DECOMPRESS 0x0002 2494 #define ZDB_FLAG_BSWAP 0x0004 2495 #define ZDB_FLAG_GBH 0x0008 2496 #define ZDB_FLAG_INDIRECT 0x0010 2497 #define ZDB_FLAG_PHYS 0x0020 2498 #define ZDB_FLAG_RAW 0x0040 2499 #define ZDB_FLAG_PRINT_BLKPTR 0x0080 2500 2501 int flagbits[256]; 2502 2503 static void 2504 zdb_print_blkptr(blkptr_t *bp, int flags) 2505 { 2506 char blkbuf[BP_SPRINTF_LEN]; 2507 2508 if (flags & ZDB_FLAG_BSWAP) 2509 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 2510 2511 sprintf_blkptr(blkbuf, bp); 2512 (void) printf("%s\n", blkbuf); 2513 } 2514 2515 static void 2516 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 2517 { 2518 int i; 2519 2520 for (i = 0; i < nbps; i++) 2521 zdb_print_blkptr(&bp[i], flags); 2522 } 2523 2524 static void 2525 zdb_dump_gbh(void *buf, int flags) 2526 { 2527 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 2528 } 2529 2530 static void 2531 zdb_dump_block_raw(void *buf, uint64_t size, int flags) 2532 { 2533 if (flags & ZDB_FLAG_BSWAP) 2534 byteswap_uint64_array(buf, size); 2535 (void) write(1, buf, size); 2536 } 2537 2538 static void 2539 zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 2540 { 2541 uint64_t *d = (uint64_t *)buf; 2542 int nwords = size / sizeof (uint64_t); 2543 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 2544 int i, j; 2545 char *hdr, *c; 2546 2547 2548 if (do_bswap) 2549 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 2550 else 2551 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 2552 2553 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 2554 2555 for (i = 0; i < nwords; i += 2) { 2556 (void) printf("%06llx: %016llx %016llx ", 2557 (u_longlong_t)(i * sizeof (uint64_t)), 2558 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 2559 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 2560 2561 c = (char *)&d[i]; 2562 for (j = 0; j < 2 * sizeof (uint64_t); j++) 2563 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 2564 (void) printf("\n"); 2565 } 2566 } 2567 2568 /* 2569 * There are two acceptable formats: 2570 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 2571 * child[.child]* - For example: 0.1.1 2572 * 2573 * The second form can be used to specify arbitrary vdevs anywhere 2574 * in the heirarchy. For example, in a pool with a mirror of 2575 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 2576 */ 2577 static vdev_t * 2578 zdb_vdev_lookup(vdev_t *vdev, char *path) 2579 { 2580 char *s, *p, *q; 2581 int i; 2582 2583 if (vdev == NULL) 2584 return (NULL); 2585 2586 /* First, assume the x.x.x.x format */ 2587 i = (int)strtoul(path, &s, 10); 2588 if (s == path || (s && *s != '.' && *s != '\0')) 2589 goto name; 2590 if (i < 0 || i >= vdev->vdev_children) 2591 return (NULL); 2592 2593 vdev = vdev->vdev_child[i]; 2594 if (*s == '\0') 2595 return (vdev); 2596 return (zdb_vdev_lookup(vdev, s+1)); 2597 2598 name: 2599 for (i = 0; i < vdev->vdev_children; i++) { 2600 vdev_t *vc = vdev->vdev_child[i]; 2601 2602 if (vc->vdev_path == NULL) { 2603 vc = zdb_vdev_lookup(vc, path); 2604 if (vc == NULL) 2605 continue; 2606 else 2607 return (vc); 2608 } 2609 2610 p = strrchr(vc->vdev_path, '/'); 2611 p = p ? p + 1 : vc->vdev_path; 2612 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 2613 2614 if (strcmp(vc->vdev_path, path) == 0) 2615 return (vc); 2616 if (strcmp(p, path) == 0) 2617 return (vc); 2618 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 2619 return (vc); 2620 } 2621 2622 return (NULL); 2623 } 2624 2625 /* 2626 * Read a block from a pool and print it out. The syntax of the 2627 * block descriptor is: 2628 * 2629 * pool:vdev_specifier:offset:size[:flags] 2630 * 2631 * pool - The name of the pool you wish to read from 2632 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 2633 * offset - offset, in hex, in bytes 2634 * size - Amount of data to read, in hex, in bytes 2635 * flags - A string of characters specifying options 2636 * b: Decode a blkptr at given offset within block 2637 * *c: Calculate and display checksums 2638 * d: Decompress data before dumping 2639 * e: Byteswap data before dumping 2640 * g: Display data as a gang block header 2641 * i: Display as an indirect block 2642 * p: Do I/O to physical offset 2643 * r: Dump raw data to stdout 2644 * 2645 * * = not yet implemented 2646 */ 2647 static void 2648 zdb_read_block(char *thing, spa_t *spa) 2649 { 2650 blkptr_t blk, *bp = &blk; 2651 dva_t *dva = bp->blk_dva; 2652 int flags = 0; 2653 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 2654 zio_t *zio; 2655 vdev_t *vd; 2656 void *pbuf, *lbuf, *buf; 2657 char *s, *p, *dup, *vdev, *flagstr; 2658 int i, error; 2659 2660 dup = strdup(thing); 2661 s = strtok(dup, ":"); 2662 vdev = s ? s : ""; 2663 s = strtok(NULL, ":"); 2664 offset = strtoull(s ? s : "", NULL, 16); 2665 s = strtok(NULL, ":"); 2666 size = strtoull(s ? s : "", NULL, 16); 2667 s = strtok(NULL, ":"); 2668 flagstr = s ? s : ""; 2669 2670 s = NULL; 2671 if (size == 0) 2672 s = "size must not be zero"; 2673 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 2674 s = "size must be a multiple of sector size"; 2675 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 2676 s = "offset must be a multiple of sector size"; 2677 if (s) { 2678 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 2679 free(dup); 2680 return; 2681 } 2682 2683 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 2684 for (i = 0; flagstr[i]; i++) { 2685 int bit = flagbits[(uchar_t)flagstr[i]]; 2686 2687 if (bit == 0) { 2688 (void) printf("***Invalid flag: %c\n", 2689 flagstr[i]); 2690 continue; 2691 } 2692 flags |= bit; 2693 2694 /* If it's not something with an argument, keep going */ 2695 if ((bit & (ZDB_FLAG_CHECKSUM | 2696 ZDB_FLAG_PRINT_BLKPTR)) == 0) 2697 continue; 2698 2699 p = &flagstr[i + 1]; 2700 if (bit == ZDB_FLAG_PRINT_BLKPTR) 2701 blkptr_offset = strtoull(p, &p, 16); 2702 if (*p != ':' && *p != '\0') { 2703 (void) printf("***Invalid flag arg: '%s'\n", s); 2704 free(dup); 2705 return; 2706 } 2707 } 2708 } 2709 2710 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 2711 if (vd == NULL) { 2712 (void) printf("***Invalid vdev: %s\n", vdev); 2713 free(dup); 2714 return; 2715 } else { 2716 if (vd->vdev_path) 2717 (void) fprintf(stderr, "Found vdev: %s\n", 2718 vd->vdev_path); 2719 else 2720 (void) fprintf(stderr, "Found vdev type: %s\n", 2721 vd->vdev_ops->vdev_op_type); 2722 } 2723 2724 psize = size; 2725 lsize = size; 2726 2727 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2728 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2729 2730 BP_ZERO(bp); 2731 2732 DVA_SET_VDEV(&dva[0], vd->vdev_id); 2733 DVA_SET_OFFSET(&dva[0], offset); 2734 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 2735 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 2736 2737 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 2738 2739 BP_SET_LSIZE(bp, lsize); 2740 BP_SET_PSIZE(bp, psize); 2741 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 2742 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 2743 BP_SET_TYPE(bp, DMU_OT_NONE); 2744 BP_SET_LEVEL(bp, 0); 2745 BP_SET_DEDUP(bp, 0); 2746 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 2747 2748 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2749 zio = zio_root(spa, NULL, NULL, 0); 2750 2751 if (vd == vd->vdev_top) { 2752 /* 2753 * Treat this as a normal block read. 2754 */ 2755 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL, 2756 ZIO_PRIORITY_SYNC_READ, 2757 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 2758 } else { 2759 /* 2760 * Treat this as a vdev child I/O. 2761 */ 2762 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize, 2763 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 2764 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2765 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 2766 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL)); 2767 } 2768 2769 error = zio_wait(zio); 2770 spa_config_exit(spa, SCL_STATE, FTAG); 2771 2772 if (error) { 2773 (void) printf("Read of %s failed, error: %d\n", thing, error); 2774 goto out; 2775 } 2776 2777 if (flags & ZDB_FLAG_DECOMPRESS) { 2778 /* 2779 * We don't know how the data was compressed, so just try 2780 * every decompress function at every inflated blocksize. 2781 */ 2782 enum zio_compress c; 2783 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2784 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2785 2786 bcopy(pbuf, pbuf2, psize); 2787 2788 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize, 2789 SPA_MAXBLOCKSIZE - psize) == 0); 2790 2791 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 2792 SPA_MAXBLOCKSIZE - psize) == 0); 2793 2794 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 2795 lsize -= SPA_MINBLOCKSIZE) { 2796 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 2797 if (zio_decompress_data(c, pbuf, lbuf, 2798 psize, lsize) == 0 && 2799 zio_decompress_data(c, pbuf2, lbuf2, 2800 psize, lsize) == 0 && 2801 bcmp(lbuf, lbuf2, lsize) == 0) 2802 break; 2803 } 2804 if (c != ZIO_COMPRESS_FUNCTIONS) 2805 break; 2806 lsize -= SPA_MINBLOCKSIZE; 2807 } 2808 2809 umem_free(pbuf2, SPA_MAXBLOCKSIZE); 2810 umem_free(lbuf2, SPA_MAXBLOCKSIZE); 2811 2812 if (lsize <= psize) { 2813 (void) printf("Decompress of %s failed\n", thing); 2814 goto out; 2815 } 2816 buf = lbuf; 2817 size = lsize; 2818 } else { 2819 buf = pbuf; 2820 size = psize; 2821 } 2822 2823 if (flags & ZDB_FLAG_PRINT_BLKPTR) 2824 zdb_print_blkptr((blkptr_t *)(void *) 2825 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 2826 else if (flags & ZDB_FLAG_RAW) 2827 zdb_dump_block_raw(buf, size, flags); 2828 else if (flags & ZDB_FLAG_INDIRECT) 2829 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 2830 flags); 2831 else if (flags & ZDB_FLAG_GBH) 2832 zdb_dump_gbh(buf, flags); 2833 else 2834 zdb_dump_block(thing, buf, size, flags); 2835 2836 out: 2837 umem_free(pbuf, SPA_MAXBLOCKSIZE); 2838 umem_free(lbuf, SPA_MAXBLOCKSIZE); 2839 free(dup); 2840 } 2841 2842 static boolean_t 2843 pool_match(nvlist_t *cfg, char *tgt) 2844 { 2845 uint64_t v, guid = strtoull(tgt, NULL, 0); 2846 char *s; 2847 2848 if (guid != 0) { 2849 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 2850 return (v == guid); 2851 } else { 2852 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 2853 return (strcmp(s, tgt) == 0); 2854 } 2855 return (B_FALSE); 2856 } 2857 2858 static char * 2859 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 2860 { 2861 nvlist_t *pools; 2862 nvlist_t *match = NULL; 2863 char *name = NULL; 2864 char *sepp = NULL; 2865 char sep; 2866 int count = 0; 2867 importargs_t args = { 0 }; 2868 2869 args.paths = dirc; 2870 args.path = dirv; 2871 args.can_be_active = B_TRUE; 2872 2873 if ((sepp = strpbrk(*target, "/@")) != NULL) { 2874 sep = *sepp; 2875 *sepp = '\0'; 2876 } 2877 2878 pools = zpool_search_import(g_zfs, &args); 2879 2880 if (pools != NULL) { 2881 nvpair_t *elem = NULL; 2882 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2883 verify(nvpair_value_nvlist(elem, configp) == 0); 2884 if (pool_match(*configp, *target)) { 2885 count++; 2886 if (match != NULL) { 2887 /* print previously found config */ 2888 if (name != NULL) { 2889 (void) printf("%s\n", name); 2890 dump_nvlist(match, 8); 2891 name = NULL; 2892 } 2893 (void) printf("%s\n", 2894 nvpair_name(elem)); 2895 dump_nvlist(*configp, 8); 2896 } else { 2897 match = *configp; 2898 name = nvpair_name(elem); 2899 } 2900 } 2901 } 2902 } 2903 if (count > 1) 2904 (void) fatal("\tMatched %d pools - use pool GUID " 2905 "instead of pool name or \n" 2906 "\tpool name part of a dataset name to select pool", count); 2907 2908 if (sepp) 2909 *sepp = sep; 2910 /* 2911 * If pool GUID was specified for pool id, replace it with pool name 2912 */ 2913 if (name && (strstr(*target, name) != *target)) { 2914 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 2915 2916 *target = umem_alloc(sz, UMEM_NOFAIL); 2917 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 2918 } 2919 2920 *configp = name ? match : NULL; 2921 2922 return (name); 2923 } 2924 2925 int 2926 main(int argc, char **argv) 2927 { 2928 int i, c; 2929 struct rlimit rl = { 1024, 1024 }; 2930 spa_t *spa = NULL; 2931 objset_t *os = NULL; 2932 int dump_all = 1; 2933 int verbose = 0; 2934 int error = 0; 2935 char **searchdirs = NULL; 2936 int nsearch = 0; 2937 char *target; 2938 nvlist_t *policy = NULL; 2939 uint64_t max_txg = UINT64_MAX; 2940 int rewind = ZPOOL_NEVER_REWIND; 2941 2942 (void) setrlimit(RLIMIT_NOFILE, &rl); 2943 (void) enable_extended_FILE_stdio(-1, -1); 2944 2945 dprintf_setup(&argc, argv); 2946 2947 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) { 2948 switch (c) { 2949 case 'b': 2950 case 'c': 2951 case 'd': 2952 case 'h': 2953 case 'i': 2954 case 'l': 2955 case 'm': 2956 case 's': 2957 case 'u': 2958 case 'C': 2959 case 'D': 2960 case 'R': 2961 case 'S': 2962 dump_opt[c]++; 2963 dump_all = 0; 2964 break; 2965 case 'A': 2966 case 'F': 2967 case 'L': 2968 case 'X': 2969 case 'e': 2970 case 'P': 2971 dump_opt[c]++; 2972 break; 2973 case 'v': 2974 verbose++; 2975 break; 2976 case 'p': 2977 if (searchdirs == NULL) { 2978 searchdirs = umem_alloc(sizeof (char *), 2979 UMEM_NOFAIL); 2980 } else { 2981 char **tmp = umem_alloc((nsearch + 1) * 2982 sizeof (char *), UMEM_NOFAIL); 2983 bcopy(searchdirs, tmp, nsearch * 2984 sizeof (char *)); 2985 umem_free(searchdirs, 2986 nsearch * sizeof (char *)); 2987 searchdirs = tmp; 2988 } 2989 searchdirs[nsearch++] = optarg; 2990 break; 2991 case 't': 2992 max_txg = strtoull(optarg, NULL, 0); 2993 if (max_txg < TXG_INITIAL) { 2994 (void) fprintf(stderr, "incorrect txg " 2995 "specified: %s\n", optarg); 2996 usage(); 2997 } 2998 break; 2999 case 'U': 3000 spa_config_path = optarg; 3001 break; 3002 default: 3003 usage(); 3004 break; 3005 } 3006 } 3007 3008 if (!dump_opt['e'] && searchdirs != NULL) { 3009 (void) fprintf(stderr, "-p option requires use of -e\n"); 3010 usage(); 3011 } 3012 3013 kernel_init(FREAD); 3014 g_zfs = libzfs_init(); 3015 ASSERT(g_zfs != NULL); 3016 3017 if (dump_all) 3018 verbose = MAX(verbose, 1); 3019 3020 for (c = 0; c < 256; c++) { 3021 if (dump_all && !strchr("elAFLRSXP", c)) 3022 dump_opt[c] = 1; 3023 if (dump_opt[c]) 3024 dump_opt[c] += verbose; 3025 } 3026 3027 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 3028 zfs_recover = (dump_opt['A'] > 1); 3029 3030 argc -= optind; 3031 argv += optind; 3032 3033 if (argc < 2 && dump_opt['R']) 3034 usage(); 3035 if (argc < 1) { 3036 if (!dump_opt['e'] && dump_opt['C']) { 3037 dump_cachefile(spa_config_path); 3038 return (0); 3039 } 3040 usage(); 3041 } 3042 3043 if (dump_opt['l']) { 3044 dump_label(argv[0]); 3045 return (0); 3046 } 3047 3048 if (dump_opt['X'] || dump_opt['F']) 3049 rewind = ZPOOL_DO_REWIND | 3050 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 3051 3052 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 3053 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 3054 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 3055 fatal("internal error: %s", strerror(ENOMEM)); 3056 3057 error = 0; 3058 target = argv[0]; 3059 3060 if (dump_opt['e']) { 3061 nvlist_t *cfg = NULL; 3062 char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 3063 3064 error = ENOENT; 3065 if (name) { 3066 if (dump_opt['C'] > 1) { 3067 (void) printf("\nConfiguration for import:\n"); 3068 dump_nvlist(cfg, 8); 3069 } 3070 if (nvlist_add_nvlist(cfg, 3071 ZPOOL_REWIND_POLICY, policy) != 0) { 3072 fatal("can't open '%s': %s", 3073 target, strerror(ENOMEM)); 3074 } 3075 if ((error = spa_import(name, cfg, NULL)) != 0) 3076 error = spa_import_verbatim(name, cfg, NULL); 3077 } 3078 } 3079 3080 if (error == 0) { 3081 if (strpbrk(target, "/@") == NULL || dump_opt['R']) { 3082 error = spa_open_rewind(target, &spa, FTAG, policy, 3083 NULL); 3084 if (error) { 3085 /* 3086 * If we're missing the log device then 3087 * try opening the pool after clearing the 3088 * log state. 3089 */ 3090 mutex_enter(&spa_namespace_lock); 3091 if ((spa = spa_lookup(target)) != NULL && 3092 spa->spa_log_state == SPA_LOG_MISSING) { 3093 spa->spa_log_state = SPA_LOG_CLEAR; 3094 error = 0; 3095 } 3096 mutex_exit(&spa_namespace_lock); 3097 3098 if (!error) { 3099 error = spa_open_rewind(target, &spa, 3100 FTAG, policy, NULL); 3101 } 3102 } 3103 } else { 3104 error = dmu_objset_own(target, DMU_OST_ANY, 3105 B_TRUE, FTAG, &os); 3106 } 3107 } 3108 nvlist_free(policy); 3109 3110 if (error) 3111 fatal("can't open '%s': %s", target, strerror(error)); 3112 3113 argv++; 3114 argc--; 3115 if (!dump_opt['R']) { 3116 if (argc > 0) { 3117 zopt_objects = argc; 3118 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 3119 for (i = 0; i < zopt_objects; i++) { 3120 errno = 0; 3121 zopt_object[i] = strtoull(argv[i], NULL, 0); 3122 if (zopt_object[i] == 0 && errno != 0) 3123 fatal("bad number %s: %s", 3124 argv[i], strerror(errno)); 3125 } 3126 } 3127 (os != NULL) ? dump_dir(os) : dump_zpool(spa); 3128 } else { 3129 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 3130 flagbits['c'] = ZDB_FLAG_CHECKSUM; 3131 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 3132 flagbits['e'] = ZDB_FLAG_BSWAP; 3133 flagbits['g'] = ZDB_FLAG_GBH; 3134 flagbits['i'] = ZDB_FLAG_INDIRECT; 3135 flagbits['p'] = ZDB_FLAG_PHYS; 3136 flagbits['r'] = ZDB_FLAG_RAW; 3137 3138 for (i = 0; i < argc; i++) 3139 zdb_read_block(argv[i], spa); 3140 } 3141 3142 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 3143 3144 fuid_table_destroy(); 3145 sa_loaded = B_FALSE; 3146 3147 libzfs_fini(g_zfs); 3148 kernel_fini(); 3149 3150 return (0); 3151 } 3152