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 [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]] " 106 "poolname [object...]\n" 107 " %s [-divPA] [-e -p path...] dataset [object...]\n" 108 " %s -m [-LXFPA] [-t txg] [-e [-p path...]] " 109 "poolname [vdev [metaslab...]]\n" 110 " %s -R [-A] [-e [-p path...]] poolname " 111 "vdev:offset:size[:flags]\n" 112 " %s -S [-PA] [-e [-p path...]] poolname\n" 113 " %s -l [-uA] device\n" 114 " %s -C [-A] [-U config]\n\n", 115 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 116 117 (void) fprintf(stderr, " Dataset name must include at least one " 118 "separator character '/' or '@'\n"); 119 (void) fprintf(stderr, " If dataset name is specified, only that " 120 "dataset is dumped\n"); 121 (void) fprintf(stderr, " If object numbers are specified, only " 122 "those objects are dumped\n\n"); 123 (void) fprintf(stderr, " Options to control amount of output:\n"); 124 (void) fprintf(stderr, " -u uberblock\n"); 125 (void) fprintf(stderr, " -d dataset(s)\n"); 126 (void) fprintf(stderr, " -i intent logs\n"); 127 (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 128 (void) fprintf(stderr, " -h pool history\n"); 129 (void) fprintf(stderr, " -b block statistics\n"); 130 (void) fprintf(stderr, " -m metaslabs\n"); 131 (void) fprintf(stderr, " -c checksum all metadata (twice for " 132 "all data) blocks\n"); 133 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 134 (void) fprintf(stderr, " -D dedup statistics\n"); 135 (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 136 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 137 (void) fprintf(stderr, " -l dump label contents\n"); 138 (void) fprintf(stderr, " -L disable leak tracking (do not " 139 "load spacemaps)\n"); 140 (void) fprintf(stderr, " -R read and display block from a " 141 "device\n\n"); 142 (void) fprintf(stderr, " Below options are intended for use " 143 "with other options (except -l):\n"); 144 (void) fprintf(stderr, " -A ignore assertions (-A), enable " 145 "panic recovery (-AA) or both (-AAA)\n"); 146 (void) fprintf(stderr, " -F attempt automatic rewind within " 147 "safe range of transaction groups\n"); 148 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 149 "cachefile\n"); 150 (void) fprintf(stderr, " -X attempt extreme rewind (does not " 151 "work with dataset)\n"); 152 (void) fprintf(stderr, " -e pool is exported/destroyed/" 153 "has altroot/not in a cachefile\n"); 154 (void) fprintf(stderr, " -p <path> -- use one or more with " 155 "-e to specify path to vdev dir\n"); 156 (void) fprintf(stderr, " -P print numbers in parseable form\n"); 157 (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 158 "searching for uberblocks\n"); 159 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 160 "to make only that option verbose\n"); 161 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 162 exit(1); 163 } 164 165 /* 166 * Called for usage errors that are discovered after a call to spa_open(), 167 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 168 */ 169 170 static void 171 fatal(const char *fmt, ...) 172 { 173 va_list ap; 174 175 va_start(ap, fmt); 176 (void) fprintf(stderr, "%s: ", cmdname); 177 (void) vfprintf(stderr, fmt, ap); 178 va_end(ap); 179 (void) fprintf(stderr, "\n"); 180 181 exit(1); 182 } 183 184 /* ARGSUSED */ 185 static void 186 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 187 { 188 nvlist_t *nv; 189 size_t nvsize = *(uint64_t *)data; 190 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 191 192 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 193 194 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 195 196 umem_free(packed, nvsize); 197 198 dump_nvlist(nv, 8); 199 200 nvlist_free(nv); 201 } 202 203 static void 204 zdb_nicenum(uint64_t num, char *buf) 205 { 206 if (dump_opt['P']) 207 (void) sprintf(buf, "%llu", (longlong_t)num); 208 else 209 nicenum(num, buf); 210 } 211 212 const char dump_zap_stars[] = "****************************************"; 213 const int dump_zap_width = sizeof (dump_zap_stars) - 1; 214 215 static void 216 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) 217 { 218 int i; 219 int minidx = ZAP_HISTOGRAM_SIZE - 1; 220 int maxidx = 0; 221 uint64_t max = 0; 222 223 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { 224 if (histo[i] > max) 225 max = histo[i]; 226 if (histo[i] > 0 && i > maxidx) 227 maxidx = i; 228 if (histo[i] > 0 && i < minidx) 229 minidx = i; 230 } 231 232 if (max < dump_zap_width) 233 max = dump_zap_width; 234 235 for (i = minidx; i <= maxidx; i++) 236 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], 237 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); 238 } 239 240 static void 241 dump_zap_stats(objset_t *os, uint64_t object) 242 { 243 int error; 244 zap_stats_t zs; 245 246 error = zap_get_stats(os, object, &zs); 247 if (error) 248 return; 249 250 if (zs.zs_ptrtbl_len == 0) { 251 ASSERT(zs.zs_num_blocks == 1); 252 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 253 (u_longlong_t)zs.zs_blocksize, 254 (u_longlong_t)zs.zs_num_entries); 255 return; 256 } 257 258 (void) printf("\tFat ZAP stats:\n"); 259 260 (void) printf("\t\tPointer table:\n"); 261 (void) printf("\t\t\t%llu elements\n", 262 (u_longlong_t)zs.zs_ptrtbl_len); 263 (void) printf("\t\t\tzt_blk: %llu\n", 264 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 265 (void) printf("\t\t\tzt_numblks: %llu\n", 266 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 267 (void) printf("\t\t\tzt_shift: %llu\n", 268 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 269 (void) printf("\t\t\tzt_blks_copied: %llu\n", 270 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 271 (void) printf("\t\t\tzt_nextblk: %llu\n", 272 (u_longlong_t)zs.zs_ptrtbl_nextblk); 273 274 (void) printf("\t\tZAP entries: %llu\n", 275 (u_longlong_t)zs.zs_num_entries); 276 (void) printf("\t\tLeaf blocks: %llu\n", 277 (u_longlong_t)zs.zs_num_leafs); 278 (void) printf("\t\tTotal blocks: %llu\n", 279 (u_longlong_t)zs.zs_num_blocks); 280 (void) printf("\t\tzap_block_type: 0x%llx\n", 281 (u_longlong_t)zs.zs_block_type); 282 (void) printf("\t\tzap_magic: 0x%llx\n", 283 (u_longlong_t)zs.zs_magic); 284 (void) printf("\t\tzap_salt: 0x%llx\n", 285 (u_longlong_t)zs.zs_salt); 286 287 (void) printf("\t\tLeafs with 2^n pointers:\n"); 288 dump_zap_histogram(zs.zs_leafs_with_2n_pointers); 289 290 (void) printf("\t\tBlocks with n*5 entries:\n"); 291 dump_zap_histogram(zs.zs_blocks_with_n5_entries); 292 293 (void) printf("\t\tBlocks n/10 full:\n"); 294 dump_zap_histogram(zs.zs_blocks_n_tenths_full); 295 296 (void) printf("\t\tEntries with n chunks:\n"); 297 dump_zap_histogram(zs.zs_entries_using_n_chunks); 298 299 (void) printf("\t\tBuckets with n entries:\n"); 300 dump_zap_histogram(zs.zs_buckets_with_n_entries); 301 } 302 303 /*ARGSUSED*/ 304 static void 305 dump_none(objset_t *os, uint64_t object, void *data, size_t size) 306 { 307 } 308 309 /*ARGSUSED*/ 310 static void 311 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 312 { 313 (void) printf("\tUNKNOWN OBJECT TYPE\n"); 314 } 315 316 /*ARGSUSED*/ 317 void 318 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 319 { 320 } 321 322 /*ARGSUSED*/ 323 static void 324 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 325 { 326 } 327 328 /*ARGSUSED*/ 329 static void 330 dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 331 { 332 zap_cursor_t zc; 333 zap_attribute_t attr; 334 void *prop; 335 int i; 336 337 dump_zap_stats(os, object); 338 (void) printf("\n"); 339 340 for (zap_cursor_init(&zc, os, object); 341 zap_cursor_retrieve(&zc, &attr) == 0; 342 zap_cursor_advance(&zc)) { 343 (void) printf("\t\t%s = ", attr.za_name); 344 if (attr.za_num_integers == 0) { 345 (void) printf("\n"); 346 continue; 347 } 348 prop = umem_zalloc(attr.za_num_integers * 349 attr.za_integer_length, UMEM_NOFAIL); 350 (void) zap_lookup(os, object, attr.za_name, 351 attr.za_integer_length, attr.za_num_integers, prop); 352 if (attr.za_integer_length == 1) { 353 (void) printf("%s", (char *)prop); 354 } else { 355 for (i = 0; i < attr.za_num_integers; i++) { 356 switch (attr.za_integer_length) { 357 case 2: 358 (void) printf("%u ", 359 ((uint16_t *)prop)[i]); 360 break; 361 case 4: 362 (void) printf("%u ", 363 ((uint32_t *)prop)[i]); 364 break; 365 case 8: 366 (void) printf("%lld ", 367 (u_longlong_t)((int64_t *)prop)[i]); 368 break; 369 } 370 } 371 } 372 (void) printf("\n"); 373 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 374 } 375 zap_cursor_fini(&zc); 376 } 377 378 /*ARGSUSED*/ 379 static void 380 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 381 { 382 dump_zap_stats(os, object); 383 /* contents are printed elsewhere, properly decoded */ 384 } 385 386 /*ARGSUSED*/ 387 static void 388 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size) 389 { 390 zap_cursor_t zc; 391 zap_attribute_t attr; 392 393 dump_zap_stats(os, object); 394 (void) printf("\n"); 395 396 for (zap_cursor_init(&zc, os, object); 397 zap_cursor_retrieve(&zc, &attr) == 0; 398 zap_cursor_advance(&zc)) { 399 (void) printf("\t\t%s = ", attr.za_name); 400 if (attr.za_num_integers == 0) { 401 (void) printf("\n"); 402 continue; 403 } 404 (void) printf(" %llx : [%d:%d:%d]\n", 405 (u_longlong_t)attr.za_first_integer, 406 (int)ATTR_LENGTH(attr.za_first_integer), 407 (int)ATTR_BSWAP(attr.za_first_integer), 408 (int)ATTR_NUM(attr.za_first_integer)); 409 } 410 zap_cursor_fini(&zc); 411 } 412 413 /*ARGSUSED*/ 414 static void 415 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size) 416 { 417 zap_cursor_t zc; 418 zap_attribute_t attr; 419 uint16_t *layout_attrs; 420 int i; 421 422 dump_zap_stats(os, object); 423 (void) printf("\n"); 424 425 for (zap_cursor_init(&zc, os, object); 426 zap_cursor_retrieve(&zc, &attr) == 0; 427 zap_cursor_advance(&zc)) { 428 (void) printf("\t\t%s = [", attr.za_name); 429 if (attr.za_num_integers == 0) { 430 (void) printf("\n"); 431 continue; 432 } 433 434 VERIFY(attr.za_integer_length == 2); 435 layout_attrs = umem_zalloc(attr.za_num_integers * 436 attr.za_integer_length, UMEM_NOFAIL); 437 438 VERIFY(zap_lookup(os, object, attr.za_name, 439 attr.za_integer_length, 440 attr.za_num_integers, layout_attrs) == 0); 441 442 for (i = 0; i != attr.za_num_integers; i++) 443 (void) printf(" %d ", (int)layout_attrs[i]); 444 (void) printf("]\n"); 445 umem_free(layout_attrs, 446 attr.za_num_integers * attr.za_integer_length); 447 } 448 zap_cursor_fini(&zc); 449 } 450 451 /*ARGSUSED*/ 452 static void 453 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 454 { 455 zap_cursor_t zc; 456 zap_attribute_t attr; 457 const char *typenames[] = { 458 /* 0 */ "not specified", 459 /* 1 */ "FIFO", 460 /* 2 */ "Character Device", 461 /* 3 */ "3 (invalid)", 462 /* 4 */ "Directory", 463 /* 5 */ "5 (invalid)", 464 /* 6 */ "Block Device", 465 /* 7 */ "7 (invalid)", 466 /* 8 */ "Regular File", 467 /* 9 */ "9 (invalid)", 468 /* 10 */ "Symbolic Link", 469 /* 11 */ "11 (invalid)", 470 /* 12 */ "Socket", 471 /* 13 */ "Door", 472 /* 14 */ "Event Port", 473 /* 15 */ "15 (invalid)", 474 }; 475 476 dump_zap_stats(os, object); 477 (void) printf("\n"); 478 479 for (zap_cursor_init(&zc, os, object); 480 zap_cursor_retrieve(&zc, &attr) == 0; 481 zap_cursor_advance(&zc)) { 482 (void) printf("\t\t%s = %lld (type: %s)\n", 483 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 484 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 485 } 486 zap_cursor_fini(&zc); 487 } 488 489 static void 490 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 491 { 492 uint64_t alloc, offset, entry; 493 uint8_t mapshift = sm->sm_shift; 494 uint64_t mapstart = sm->sm_start; 495 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 496 "INVALID", "INVALID", "INVALID", "INVALID" }; 497 498 if (smo->smo_object == 0) 499 return; 500 501 /* 502 * Print out the freelist entries in both encoded and decoded form. 503 */ 504 alloc = 0; 505 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 506 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset, 507 sizeof (entry), &entry, DMU_READ_PREFETCH)); 508 if (SM_DEBUG_DECODE(entry)) { 509 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 510 (u_longlong_t)(offset / sizeof (entry)), 511 ddata[SM_DEBUG_ACTION_DECODE(entry)], 512 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 513 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 514 } else { 515 (void) printf("\t [%6llu] %c range:" 516 " %010llx-%010llx size: %06llx\n", 517 (u_longlong_t)(offset / sizeof (entry)), 518 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 519 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 520 mapshift) + mapstart), 521 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 522 mapshift) + mapstart + (SM_RUN_DECODE(entry) << 523 mapshift)), 524 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 525 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 526 alloc += SM_RUN_DECODE(entry) << mapshift; 527 else 528 alloc -= SM_RUN_DECODE(entry) << mapshift; 529 } 530 } 531 if (alloc != smo->smo_alloc) { 532 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 533 "with space map summary (%llu)\n", 534 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 535 } 536 } 537 538 static void 539 dump_metaslab_stats(metaslab_t *msp) 540 { 541 char maxbuf[32]; 542 space_map_t *sm = &msp->ms_map; 543 avl_tree_t *t = sm->sm_pp_root; 544 int free_pct = sm->sm_space * 100 / sm->sm_size; 545 546 zdb_nicenum(space_map_maxsize(sm), maxbuf); 547 548 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 549 "segments", avl_numnodes(t), "maxsize", maxbuf, 550 "freepct", free_pct); 551 } 552 553 static void 554 dump_metaslab(metaslab_t *msp) 555 { 556 vdev_t *vd = msp->ms_group->mg_vd; 557 spa_t *spa = vd->vdev_spa; 558 space_map_t *sm = &msp->ms_map; 559 space_map_obj_t *smo = &msp->ms_smo; 560 char freebuf[32]; 561 562 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf); 563 564 (void) printf( 565 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 566 (u_longlong_t)(sm->sm_start / sm->sm_size), 567 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf); 568 569 if (dump_opt['m'] > 1 && !dump_opt['L']) { 570 mutex_enter(&msp->ms_lock); 571 space_map_load_wait(sm); 572 if (!sm->sm_loaded) 573 VERIFY(space_map_load(sm, zfs_metaslab_ops, 574 SM_FREE, smo, spa->spa_meta_objset) == 0); 575 dump_metaslab_stats(msp); 576 space_map_unload(sm); 577 mutex_exit(&msp->ms_lock); 578 } 579 580 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { 581 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift)); 582 583 mutex_enter(&msp->ms_lock); 584 dump_spacemap(spa->spa_meta_objset, smo, sm); 585 mutex_exit(&msp->ms_lock); 586 } 587 } 588 589 static void 590 print_vdev_metaslab_header(vdev_t *vd) 591 { 592 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 593 (u_longlong_t)vd->vdev_id, 594 "metaslabs", (u_longlong_t)vd->vdev_ms_count, 595 "offset", "spacemap", "free"); 596 (void) printf("\t%15s %19s %15s %10s\n", 597 "---------------", "-------------------", 598 "---------------", "-------------"); 599 } 600 601 static void 602 dump_metaslabs(spa_t *spa) 603 { 604 vdev_t *vd, *rvd = spa->spa_root_vdev; 605 uint64_t m, c = 0, children = rvd->vdev_children; 606 607 (void) printf("\nMetaslabs:\n"); 608 609 if (!dump_opt['d'] && zopt_objects > 0) { 610 c = zopt_object[0]; 611 612 if (c >= children) 613 (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 614 615 if (zopt_objects > 1) { 616 vd = rvd->vdev_child[c]; 617 print_vdev_metaslab_header(vd); 618 619 for (m = 1; m < zopt_objects; m++) { 620 if (zopt_object[m] < vd->vdev_ms_count) 621 dump_metaslab( 622 vd->vdev_ms[zopt_object[m]]); 623 else 624 (void) fprintf(stderr, "bad metaslab " 625 "number %llu\n", 626 (u_longlong_t)zopt_object[m]); 627 } 628 (void) printf("\n"); 629 return; 630 } 631 children = c + 1; 632 } 633 for (; c < children; c++) { 634 vd = rvd->vdev_child[c]; 635 print_vdev_metaslab_header(vd); 636 637 for (m = 0; m < vd->vdev_ms_count; m++) 638 dump_metaslab(vd->vdev_ms[m]); 639 (void) printf("\n"); 640 } 641 } 642 643 static void 644 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 645 { 646 const ddt_phys_t *ddp = dde->dde_phys; 647 const ddt_key_t *ddk = &dde->dde_key; 648 char *types[4] = { "ditto", "single", "double", "triple" }; 649 char blkbuf[BP_SPRINTF_LEN]; 650 blkptr_t blk; 651 652 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 653 if (ddp->ddp_phys_birth == 0) 654 continue; 655 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 656 sprintf_blkptr(blkbuf, &blk); 657 (void) printf("index %llx refcnt %llu %s %s\n", 658 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 659 types[p], blkbuf); 660 } 661 } 662 663 static void 664 dump_dedup_ratio(const ddt_stat_t *dds) 665 { 666 double rL, rP, rD, D, dedup, compress, copies; 667 668 if (dds->dds_blocks == 0) 669 return; 670 671 rL = (double)dds->dds_ref_lsize; 672 rP = (double)dds->dds_ref_psize; 673 rD = (double)dds->dds_ref_dsize; 674 D = (double)dds->dds_dsize; 675 676 dedup = rD / D; 677 compress = rL / rP; 678 copies = rD / rP; 679 680 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 681 "dedup * compress / copies = %.2f\n\n", 682 dedup, compress, copies, dedup * compress / copies); 683 } 684 685 static void 686 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 687 { 688 char name[DDT_NAMELEN]; 689 ddt_entry_t dde; 690 uint64_t walk = 0; 691 dmu_object_info_t doi; 692 uint64_t count, dspace, mspace; 693 int error; 694 695 error = ddt_object_info(ddt, type, class, &doi); 696 697 if (error == ENOENT) 698 return; 699 ASSERT(error == 0); 700 701 if ((count = ddt_object_count(ddt, type, class)) == 0) 702 return; 703 704 dspace = doi.doi_physical_blocks_512 << 9; 705 mspace = doi.doi_fill_count * doi.doi_data_block_size; 706 707 ddt_object_name(ddt, type, class, name); 708 709 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 710 name, 711 (u_longlong_t)count, 712 (u_longlong_t)(dspace / count), 713 (u_longlong_t)(mspace / count)); 714 715 if (dump_opt['D'] < 3) 716 return; 717 718 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 719 720 if (dump_opt['D'] < 4) 721 return; 722 723 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 724 return; 725 726 (void) printf("%s contents:\n\n", name); 727 728 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 729 dump_dde(ddt, &dde, walk); 730 731 ASSERT(error == ENOENT); 732 733 (void) printf("\n"); 734 } 735 736 static void 737 dump_all_ddts(spa_t *spa) 738 { 739 ddt_histogram_t ddh_total = { 0 }; 740 ddt_stat_t dds_total = { 0 }; 741 742 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 743 ddt_t *ddt = spa->spa_ddt[c]; 744 for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 745 for (enum ddt_class class = 0; class < DDT_CLASSES; 746 class++) { 747 dump_ddt(ddt, type, class); 748 } 749 } 750 } 751 752 ddt_get_dedup_stats(spa, &dds_total); 753 754 if (dds_total.dds_blocks == 0) { 755 (void) printf("All DDTs are empty\n"); 756 return; 757 } 758 759 (void) printf("\n"); 760 761 if (dump_opt['D'] > 1) { 762 (void) printf("DDT histogram (aggregated over all DDTs):\n"); 763 ddt_get_dedup_histogram(spa, &ddh_total); 764 zpool_dump_ddt(&dds_total, &ddh_total); 765 } 766 767 dump_dedup_ratio(&dds_total); 768 } 769 770 static void 771 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) 772 { 773 char *prefix = (void *)sm; 774 775 (void) printf("%s [%llu,%llu) length %llu\n", 776 prefix, 777 (u_longlong_t)start, 778 (u_longlong_t)(start + size), 779 (u_longlong_t)(size)); 780 } 781 782 static void 783 dump_dtl(vdev_t *vd, int indent) 784 { 785 spa_t *spa = vd->vdev_spa; 786 boolean_t required; 787 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 788 char prefix[256]; 789 790 spa_vdev_state_enter(spa, SCL_NONE); 791 required = vdev_dtl_required(vd); 792 (void) spa_vdev_state_exit(spa, NULL, 0); 793 794 if (indent == 0) 795 (void) printf("\nDirty time logs:\n\n"); 796 797 (void) printf("\t%*s%s [%s]\n", indent, "", 798 vd->vdev_path ? vd->vdev_path : 799 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 800 required ? "DTL-required" : "DTL-expendable"); 801 802 for (int t = 0; t < DTL_TYPES; t++) { 803 space_map_t *sm = &vd->vdev_dtl[t]; 804 if (sm->sm_space == 0) 805 continue; 806 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 807 indent + 2, "", name[t]); 808 mutex_enter(sm->sm_lock); 809 space_map_walk(sm, dump_dtl_seg, (void *)prefix); 810 mutex_exit(sm->sm_lock); 811 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 812 dump_spacemap(spa->spa_meta_objset, 813 &vd->vdev_dtl_smo, sm); 814 } 815 816 for (int c = 0; c < vd->vdev_children; c++) 817 dump_dtl(vd->vdev_child[c], indent + 4); 818 } 819 820 static void 821 dump_history(spa_t *spa) 822 { 823 nvlist_t **events = NULL; 824 char buf[SPA_MAXBLOCKSIZE]; 825 uint64_t resid, len, off = 0; 826 uint_t num = 0; 827 int error; 828 time_t tsec; 829 struct tm t; 830 char tbuf[30]; 831 char internalstr[MAXPATHLEN]; 832 833 do { 834 len = sizeof (buf); 835 836 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 837 (void) fprintf(stderr, "Unable to read history: " 838 "error %d\n", error); 839 return; 840 } 841 842 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 843 break; 844 845 off -= resid; 846 } while (len != 0); 847 848 (void) printf("\nHistory:\n"); 849 for (int i = 0; i < num; i++) { 850 uint64_t time, txg, ievent; 851 char *cmd, *intstr; 852 853 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 854 &time) != 0) 855 continue; 856 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 857 &cmd) != 0) { 858 if (nvlist_lookup_uint64(events[i], 859 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 860 continue; 861 verify(nvlist_lookup_uint64(events[i], 862 ZPOOL_HIST_TXG, &txg) == 0); 863 verify(nvlist_lookup_string(events[i], 864 ZPOOL_HIST_INT_STR, &intstr) == 0); 865 if (ievent >= LOG_END) 866 continue; 867 868 (void) snprintf(internalstr, 869 sizeof (internalstr), 870 "[internal %s txg:%lld] %s", 871 zfs_history_event_names[ievent], txg, 872 intstr); 873 cmd = internalstr; 874 } 875 tsec = time; 876 (void) localtime_r(&tsec, &t); 877 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 878 (void) printf("%s %s\n", tbuf, cmd); 879 } 880 } 881 882 /*ARGSUSED*/ 883 static void 884 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 885 { 886 } 887 888 static uint64_t 889 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb) 890 { 891 if (dnp == NULL) { 892 ASSERT(zb->zb_level < 0); 893 if (zb->zb_object == 0) 894 return (zb->zb_blkid); 895 return (zb->zb_blkid * BP_GET_LSIZE(bp)); 896 } 897 898 ASSERT(zb->zb_level >= 0); 899 900 return ((zb->zb_blkid << 901 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 902 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 903 } 904 905 static void 906 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp) 907 { 908 const dva_t *dva = bp->blk_dva; 909 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 910 911 if (dump_opt['b'] >= 5) { 912 sprintf_blkptr(blkbuf, bp); 913 return; 914 } 915 916 blkbuf[0] = '\0'; 917 918 for (int i = 0; i < ndvas; i++) 919 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", 920 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 921 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 922 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 923 924 (void) sprintf(blkbuf + strlen(blkbuf), 925 "%llxL/%llxP F=%llu B=%llu/%llu", 926 (u_longlong_t)BP_GET_LSIZE(bp), 927 (u_longlong_t)BP_GET_PSIZE(bp), 928 (u_longlong_t)bp->blk_fill, 929 (u_longlong_t)bp->blk_birth, 930 (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 931 } 932 933 static void 934 print_indirect(blkptr_t *bp, const zbookmark_t *zb, 935 const dnode_phys_t *dnp) 936 { 937 char blkbuf[BP_SPRINTF_LEN]; 938 int l; 939 940 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 941 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 942 943 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 944 945 ASSERT(zb->zb_level >= 0); 946 947 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 948 if (l == zb->zb_level) { 949 (void) printf("L%llx", (u_longlong_t)zb->zb_level); 950 } else { 951 (void) printf(" "); 952 } 953 } 954 955 sprintf_blkptr_compact(blkbuf, bp); 956 (void) printf("%s\n", blkbuf); 957 } 958 959 static int 960 visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 961 blkptr_t *bp, const zbookmark_t *zb) 962 { 963 int err = 0; 964 965 if (bp->blk_birth == 0) 966 return (0); 967 968 print_indirect(bp, zb, dnp); 969 970 if (BP_GET_LEVEL(bp) > 0) { 971 uint32_t flags = ARC_WAIT; 972 int i; 973 blkptr_t *cbp; 974 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 975 arc_buf_t *buf; 976 uint64_t fill = 0; 977 978 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf, 979 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 980 if (err) 981 return (err); 982 ASSERT(buf->b_data); 983 984 /* recursively visit blocks below this */ 985 cbp = buf->b_data; 986 for (i = 0; i < epb; i++, cbp++) { 987 zbookmark_t czb; 988 989 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 990 zb->zb_level - 1, 991 zb->zb_blkid * epb + i); 992 err = visit_indirect(spa, dnp, cbp, &czb); 993 if (err) 994 break; 995 fill += cbp->blk_fill; 996 } 997 if (!err) 998 ASSERT3U(fill, ==, bp->blk_fill); 999 (void) arc_buf_remove_ref(buf, &buf); 1000 } 1001 1002 return (err); 1003 } 1004 1005 /*ARGSUSED*/ 1006 static void 1007 dump_indirect(dnode_t *dn) 1008 { 1009 dnode_phys_t *dnp = dn->dn_phys; 1010 int j; 1011 zbookmark_t czb; 1012 1013 (void) printf("Indirect blocks:\n"); 1014 1015 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 1016 dn->dn_object, dnp->dn_nlevels - 1, 0); 1017 for (j = 0; j < dnp->dn_nblkptr; j++) { 1018 czb.zb_blkid = j; 1019 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 1020 &dnp->dn_blkptr[j], &czb); 1021 } 1022 1023 (void) printf("\n"); 1024 } 1025 1026 /*ARGSUSED*/ 1027 static void 1028 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 1029 { 1030 dsl_dir_phys_t *dd = data; 1031 time_t crtime; 1032 char nice[32]; 1033 1034 if (dd == NULL) 1035 return; 1036 1037 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 1038 1039 crtime = dd->dd_creation_time; 1040 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1041 (void) printf("\t\thead_dataset_obj = %llu\n", 1042 (u_longlong_t)dd->dd_head_dataset_obj); 1043 (void) printf("\t\tparent_dir_obj = %llu\n", 1044 (u_longlong_t)dd->dd_parent_obj); 1045 (void) printf("\t\torigin_obj = %llu\n", 1046 (u_longlong_t)dd->dd_origin_obj); 1047 (void) printf("\t\tchild_dir_zapobj = %llu\n", 1048 (u_longlong_t)dd->dd_child_dir_zapobj); 1049 zdb_nicenum(dd->dd_used_bytes, nice); 1050 (void) printf("\t\tused_bytes = %s\n", nice); 1051 zdb_nicenum(dd->dd_compressed_bytes, nice); 1052 (void) printf("\t\tcompressed_bytes = %s\n", nice); 1053 zdb_nicenum(dd->dd_uncompressed_bytes, nice); 1054 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 1055 zdb_nicenum(dd->dd_quota, nice); 1056 (void) printf("\t\tquota = %s\n", nice); 1057 zdb_nicenum(dd->dd_reserved, nice); 1058 (void) printf("\t\treserved = %s\n", nice); 1059 (void) printf("\t\tprops_zapobj = %llu\n", 1060 (u_longlong_t)dd->dd_props_zapobj); 1061 (void) printf("\t\tdeleg_zapobj = %llu\n", 1062 (u_longlong_t)dd->dd_deleg_zapobj); 1063 (void) printf("\t\tflags = %llx\n", 1064 (u_longlong_t)dd->dd_flags); 1065 1066 #define DO(which) \ 1067 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 1068 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 1069 DO(HEAD); 1070 DO(SNAP); 1071 DO(CHILD); 1072 DO(CHILD_RSRV); 1073 DO(REFRSRV); 1074 #undef DO 1075 } 1076 1077 /*ARGSUSED*/ 1078 static void 1079 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 1080 { 1081 dsl_dataset_phys_t *ds = data; 1082 time_t crtime; 1083 char used[32], compressed[32], uncompressed[32], unique[32]; 1084 char blkbuf[BP_SPRINTF_LEN]; 1085 1086 if (ds == NULL) 1087 return; 1088 1089 ASSERT(size == sizeof (*ds)); 1090 crtime = ds->ds_creation_time; 1091 zdb_nicenum(ds->ds_used_bytes, used); 1092 zdb_nicenum(ds->ds_compressed_bytes, compressed); 1093 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed); 1094 zdb_nicenum(ds->ds_unique_bytes, unique); 1095 sprintf_blkptr(blkbuf, &ds->ds_bp); 1096 1097 (void) printf("\t\tdir_obj = %llu\n", 1098 (u_longlong_t)ds->ds_dir_obj); 1099 (void) printf("\t\tprev_snap_obj = %llu\n", 1100 (u_longlong_t)ds->ds_prev_snap_obj); 1101 (void) printf("\t\tprev_snap_txg = %llu\n", 1102 (u_longlong_t)ds->ds_prev_snap_txg); 1103 (void) printf("\t\tnext_snap_obj = %llu\n", 1104 (u_longlong_t)ds->ds_next_snap_obj); 1105 (void) printf("\t\tsnapnames_zapobj = %llu\n", 1106 (u_longlong_t)ds->ds_snapnames_zapobj); 1107 (void) printf("\t\tnum_children = %llu\n", 1108 (u_longlong_t)ds->ds_num_children); 1109 (void) printf("\t\tuserrefs_obj = %llu\n", 1110 (u_longlong_t)ds->ds_userrefs_obj); 1111 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1112 (void) printf("\t\tcreation_txg = %llu\n", 1113 (u_longlong_t)ds->ds_creation_txg); 1114 (void) printf("\t\tdeadlist_obj = %llu\n", 1115 (u_longlong_t)ds->ds_deadlist_obj); 1116 (void) printf("\t\tused_bytes = %s\n", used); 1117 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1118 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1119 (void) printf("\t\tunique = %s\n", unique); 1120 (void) printf("\t\tfsid_guid = %llu\n", 1121 (u_longlong_t)ds->ds_fsid_guid); 1122 (void) printf("\t\tguid = %llu\n", 1123 (u_longlong_t)ds->ds_guid); 1124 (void) printf("\t\tflags = %llx\n", 1125 (u_longlong_t)ds->ds_flags); 1126 (void) printf("\t\tnext_clones_obj = %llu\n", 1127 (u_longlong_t)ds->ds_next_clones_obj); 1128 (void) printf("\t\tprops_obj = %llu\n", 1129 (u_longlong_t)ds->ds_props_obj); 1130 (void) printf("\t\tbp = %s\n", blkbuf); 1131 } 1132 1133 /* ARGSUSED */ 1134 static int 1135 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1136 { 1137 char blkbuf[BP_SPRINTF_LEN]; 1138 1139 ASSERT(bp->blk_birth != 0); 1140 sprintf_blkptr_compact(blkbuf, bp); 1141 (void) printf("\t%s\n", blkbuf); 1142 return (0); 1143 } 1144 1145 static void 1146 dump_bpobj(bpobj_t *bpo, char *name) 1147 { 1148 char bytes[32]; 1149 char comp[32]; 1150 char uncomp[32]; 1151 1152 if (dump_opt['d'] < 3) 1153 return; 1154 1155 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes); 1156 if (bpo->bpo_havesubobj) { 1157 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp); 1158 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp); 1159 (void) printf("\n %s: %llu local blkptrs, %llu subobjs, " 1160 "%s (%s/%s comp)\n", 1161 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1162 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs, 1163 bytes, comp, uncomp); 1164 } else { 1165 (void) printf("\n %s: %llu blkptrs, %s\n", 1166 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, bytes); 1167 } 1168 1169 if (dump_opt['d'] < 5) 1170 return; 1171 1172 (void) printf("\n"); 1173 1174 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL); 1175 } 1176 1177 static void 1178 dump_deadlist(dsl_deadlist_t *dl) 1179 { 1180 dsl_deadlist_entry_t *dle; 1181 char bytes[32]; 1182 char comp[32]; 1183 char uncomp[32]; 1184 1185 if (dump_opt['d'] < 3) 1186 return; 1187 1188 zdb_nicenum(dl->dl_phys->dl_used, bytes); 1189 zdb_nicenum(dl->dl_phys->dl_comp, comp); 1190 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp); 1191 (void) printf("\n Deadlist: %s (%s/%s comp)\n", 1192 bytes, comp, uncomp); 1193 1194 if (dump_opt['d'] < 4) 1195 return; 1196 1197 (void) printf("\n"); 1198 1199 for (dle = avl_first(&dl->dl_tree); dle; 1200 dle = AVL_NEXT(&dl->dl_tree, dle)) { 1201 (void) printf(" mintxg %llu -> obj %llu\n", 1202 (longlong_t)dle->dle_mintxg, 1203 (longlong_t)dle->dle_bpobj.bpo_object); 1204 1205 if (dump_opt['d'] >= 5) 1206 dump_bpobj(&dle->dle_bpobj, ""); 1207 } 1208 } 1209 1210 static avl_tree_t idx_tree; 1211 static avl_tree_t domain_tree; 1212 static boolean_t fuid_table_loaded; 1213 static boolean_t sa_loaded; 1214 sa_attr_type_t *sa_attr_table; 1215 1216 static void 1217 fuid_table_destroy() 1218 { 1219 if (fuid_table_loaded) { 1220 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1221 fuid_table_loaded = B_FALSE; 1222 } 1223 } 1224 1225 /* 1226 * print uid or gid information. 1227 * For normal POSIX id just the id is printed in decimal format. 1228 * For CIFS files with FUID the fuid is printed in hex followed by 1229 * the doman-rid string. 1230 */ 1231 static void 1232 print_idstr(uint64_t id, const char *id_type) 1233 { 1234 if (FUID_INDEX(id)) { 1235 char *domain; 1236 1237 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1238 (void) printf("\t%s %llx [%s-%d]\n", id_type, 1239 (u_longlong_t)id, domain, (int)FUID_RID(id)); 1240 } else { 1241 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1242 } 1243 1244 } 1245 1246 static void 1247 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid) 1248 { 1249 uint32_t uid_idx, gid_idx; 1250 1251 uid_idx = FUID_INDEX(uid); 1252 gid_idx = FUID_INDEX(gid); 1253 1254 /* Load domain table, if not already loaded */ 1255 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1256 uint64_t fuid_obj; 1257 1258 /* first find the fuid object. It lives in the master node */ 1259 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1260 8, 1, &fuid_obj) == 0); 1261 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1262 (void) zfs_fuid_table_load(os, fuid_obj, 1263 &idx_tree, &domain_tree); 1264 fuid_table_loaded = B_TRUE; 1265 } 1266 1267 print_idstr(uid, "uid"); 1268 print_idstr(gid, "gid"); 1269 } 1270 1271 /*ARGSUSED*/ 1272 static void 1273 dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1274 { 1275 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 1276 sa_handle_t *hdl; 1277 uint64_t xattr, rdev, gen; 1278 uint64_t uid, gid, mode, fsize, parent, links; 1279 uint64_t pflags; 1280 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2]; 1281 time_t z_crtime, z_atime, z_mtime, z_ctime; 1282 sa_bulk_attr_t bulk[12]; 1283 int idx = 0; 1284 int error; 1285 1286 if (!sa_loaded) { 1287 uint64_t sa_attrs = 0; 1288 uint64_t version; 1289 1290 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR, 1291 8, 1, &version) == 0); 1292 if (version >= ZPL_VERSION_SA) { 1293 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 1294 8, 1, &sa_attrs) == 0); 1295 } 1296 if ((error = sa_setup(os, sa_attrs, zfs_attr_table, 1297 ZPL_END, &sa_attr_table)) != 0) { 1298 (void) printf("sa_setup failed errno %d, can't " 1299 "display znode contents\n", error); 1300 return; 1301 } 1302 sa_loaded = B_TRUE; 1303 } 1304 1305 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) { 1306 (void) printf("Failed to get handle for SA znode\n"); 1307 return; 1308 } 1309 1310 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8); 1311 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8); 1312 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL, 1313 &links, 8); 1314 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8); 1315 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL, 1316 &mode, 8); 1317 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT], 1318 NULL, &parent, 8); 1319 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL, 1320 &fsize, 8); 1321 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL, 1322 acctm, 16); 1323 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL, 1324 modtm, 16); 1325 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL, 1326 crtm, 16); 1327 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL, 1328 chgtm, 16); 1329 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL, 1330 &pflags, 8); 1331 1332 if (sa_bulk_lookup(hdl, bulk, idx)) { 1333 (void) sa_handle_destroy(hdl); 1334 return; 1335 } 1336 1337 error = zfs_obj_to_path(os, object, path, sizeof (path)); 1338 if (error != 0) { 1339 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 1340 (u_longlong_t)object); 1341 } 1342 if (dump_opt['d'] < 3) { 1343 (void) printf("\t%s\n", path); 1344 (void) sa_handle_destroy(hdl); 1345 return; 1346 } 1347 1348 z_crtime = (time_t)crtm[0]; 1349 z_atime = (time_t)acctm[0]; 1350 z_mtime = (time_t)modtm[0]; 1351 z_ctime = (time_t)chgtm[0]; 1352 1353 (void) printf("\tpath %s\n", path); 1354 dump_uidgid(os, uid, gid); 1355 (void) printf("\tatime %s", ctime(&z_atime)); 1356 (void) printf("\tmtime %s", ctime(&z_mtime)); 1357 (void) printf("\tctime %s", ctime(&z_ctime)); 1358 (void) printf("\tcrtime %s", ctime(&z_crtime)); 1359 (void) printf("\tgen %llu\n", (u_longlong_t)gen); 1360 (void) printf("\tmode %llo\n", (u_longlong_t)mode); 1361 (void) printf("\tsize %llu\n", (u_longlong_t)fsize); 1362 (void) printf("\tparent %llu\n", (u_longlong_t)parent); 1363 (void) printf("\tlinks %llu\n", (u_longlong_t)links); 1364 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags); 1365 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr, 1366 sizeof (uint64_t)) == 0) 1367 (void) printf("\txattr %llu\n", (u_longlong_t)xattr); 1368 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev, 1369 sizeof (uint64_t)) == 0) 1370 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev); 1371 sa_handle_destroy(hdl); 1372 } 1373 1374 /*ARGSUSED*/ 1375 static void 1376 dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1377 { 1378 } 1379 1380 /*ARGSUSED*/ 1381 static void 1382 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1383 { 1384 } 1385 1386 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1387 dump_none, /* unallocated */ 1388 dump_zap, /* object directory */ 1389 dump_uint64, /* object array */ 1390 dump_none, /* packed nvlist */ 1391 dump_packed_nvlist, /* packed nvlist size */ 1392 dump_none, /* bplist */ 1393 dump_none, /* bplist header */ 1394 dump_none, /* SPA space map header */ 1395 dump_none, /* SPA space map */ 1396 dump_none, /* ZIL intent log */ 1397 dump_dnode, /* DMU dnode */ 1398 dump_dmu_objset, /* DMU objset */ 1399 dump_dsl_dir, /* DSL directory */ 1400 dump_zap, /* DSL directory child map */ 1401 dump_zap, /* DSL dataset snap map */ 1402 dump_zap, /* DSL props */ 1403 dump_dsl_dataset, /* DSL dataset */ 1404 dump_znode, /* ZFS znode */ 1405 dump_acl, /* ZFS V0 ACL */ 1406 dump_uint8, /* ZFS plain file */ 1407 dump_zpldir, /* ZFS directory */ 1408 dump_zap, /* ZFS master node */ 1409 dump_zap, /* ZFS delete queue */ 1410 dump_uint8, /* zvol object */ 1411 dump_zap, /* zvol prop */ 1412 dump_uint8, /* other uint8[] */ 1413 dump_uint64, /* other uint64[] */ 1414 dump_zap, /* other ZAP */ 1415 dump_zap, /* persistent error log */ 1416 dump_uint8, /* SPA history */ 1417 dump_uint64, /* SPA history offsets */ 1418 dump_zap, /* Pool properties */ 1419 dump_zap, /* DSL permissions */ 1420 dump_acl, /* ZFS ACL */ 1421 dump_uint8, /* ZFS SYSACL */ 1422 dump_none, /* FUID nvlist */ 1423 dump_packed_nvlist, /* FUID nvlist size */ 1424 dump_zap, /* DSL dataset next clones */ 1425 dump_zap, /* DSL scrub queue */ 1426 dump_zap, /* ZFS user/group used */ 1427 dump_zap, /* ZFS user/group quota */ 1428 dump_zap, /* snapshot refcount tags */ 1429 dump_ddt_zap, /* DDT ZAP object */ 1430 dump_zap, /* DDT statistics */ 1431 dump_znode, /* SA object */ 1432 dump_zap, /* SA Master Node */ 1433 dump_sa_attrs, /* SA attribute registration */ 1434 dump_sa_layouts, /* SA attribute layouts */ 1435 dump_zap, /* DSL scrub translations */ 1436 dump_none, /* fake dedup BP */ 1437 dump_zap, /* deadlist */ 1438 dump_none, /* deadlist hdr */ 1439 dump_zap, /* dsl clones */ 1440 dump_none, /* bpobj subobjs */ 1441 dump_unknown, /* Unknown type, must be last */ 1442 }; 1443 1444 static void 1445 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1446 { 1447 dmu_buf_t *db = NULL; 1448 dmu_object_info_t doi; 1449 dnode_t *dn; 1450 void *bonus = NULL; 1451 size_t bsize = 0; 1452 char iblk[32], dblk[32], lsize[32], asize[32], fill[32]; 1453 char bonus_size[32]; 1454 char aux[50]; 1455 int error; 1456 1457 if (*print_header) { 1458 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 1459 "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 1460 "%full", "type"); 1461 *print_header = 0; 1462 } 1463 1464 if (object == 0) { 1465 dn = DMU_META_DNODE(os); 1466 } else { 1467 error = dmu_bonus_hold(os, object, FTAG, &db); 1468 if (error) 1469 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1470 object, error); 1471 bonus = db->db_data; 1472 bsize = db->db_size; 1473 dn = DB_DNODE((dmu_buf_impl_t *)db); 1474 } 1475 dmu_object_info_from_dnode(dn, &doi); 1476 1477 zdb_nicenum(doi.doi_metadata_block_size, iblk); 1478 zdb_nicenum(doi.doi_data_block_size, dblk); 1479 zdb_nicenum(doi.doi_max_offset, lsize); 1480 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize); 1481 zdb_nicenum(doi.doi_bonus_size, bonus_size); 1482 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 1483 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 1484 doi.doi_max_offset); 1485 1486 aux[0] = '\0'; 1487 1488 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1489 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1490 ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1491 } 1492 1493 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1494 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1495 ZDB_COMPRESS_NAME(doi.doi_compress)); 1496 } 1497 1498 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 1499 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 1500 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 1501 1502 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1503 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 1504 "", "", "", "", "", bonus_size, "bonus", 1505 ZDB_OT_NAME(doi.doi_bonus_type)); 1506 } 1507 1508 if (verbosity >= 4) { 1509 (void) printf("\tdnode flags: %s%s%s\n", 1510 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1511 "USED_BYTES " : "", 1512 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1513 "USERUSED_ACCOUNTED " : "", 1514 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? 1515 "SPILL_BLKPTR" : ""); 1516 (void) printf("\tdnode maxblkid: %llu\n", 1517 (longlong_t)dn->dn_phys->dn_maxblkid); 1518 1519 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 1520 bonus, bsize); 1521 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1522 *print_header = 1; 1523 } 1524 1525 if (verbosity >= 5) 1526 dump_indirect(dn); 1527 1528 if (verbosity >= 5) { 1529 /* 1530 * Report the list of segments that comprise the object. 1531 */ 1532 uint64_t start = 0; 1533 uint64_t end; 1534 uint64_t blkfill = 1; 1535 int minlvl = 1; 1536 1537 if (dn->dn_type == DMU_OT_DNODE) { 1538 minlvl = 0; 1539 blkfill = DNODES_PER_BLOCK; 1540 } 1541 1542 for (;;) { 1543 char segsize[32]; 1544 error = dnode_next_offset(dn, 1545 0, &start, minlvl, blkfill, 0); 1546 if (error) 1547 break; 1548 end = start; 1549 error = dnode_next_offset(dn, 1550 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1551 zdb_nicenum(end - start, segsize); 1552 (void) printf("\t\tsegment [%016llx, %016llx)" 1553 " size %5s\n", (u_longlong_t)start, 1554 (u_longlong_t)end, segsize); 1555 if (error) 1556 break; 1557 start = end; 1558 } 1559 } 1560 1561 if (db != NULL) 1562 dmu_buf_rele(db, FTAG); 1563 } 1564 1565 static char *objset_types[DMU_OST_NUMTYPES] = { 1566 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1567 1568 static void 1569 dump_dir(objset_t *os) 1570 { 1571 dmu_objset_stats_t dds; 1572 uint64_t object, object_count; 1573 uint64_t refdbytes, usedobjs, scratch; 1574 char numbuf[32]; 1575 char blkbuf[BP_SPRINTF_LEN + 20]; 1576 char osname[MAXNAMELEN]; 1577 char *type = "UNKNOWN"; 1578 int verbosity = dump_opt['d']; 1579 int print_header = 1; 1580 int i, error; 1581 1582 dmu_objset_fast_stat(os, &dds); 1583 1584 if (dds.dds_type < DMU_OST_NUMTYPES) 1585 type = objset_types[dds.dds_type]; 1586 1587 if (dds.dds_type == DMU_OST_META) { 1588 dds.dds_creation_txg = TXG_INITIAL; 1589 usedobjs = os->os_rootbp->blk_fill; 1590 refdbytes = os->os_spa->spa_dsl_pool-> 1591 dp_mos_dir->dd_phys->dd_used_bytes; 1592 } else { 1593 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1594 } 1595 1596 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill); 1597 1598 zdb_nicenum(refdbytes, numbuf); 1599 1600 if (verbosity >= 4) { 1601 (void) sprintf(blkbuf, ", rootbp "); 1602 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp); 1603 } else { 1604 blkbuf[0] = '\0'; 1605 } 1606 1607 dmu_objset_name(os, osname); 1608 1609 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1610 "%s, %llu objects%s\n", 1611 osname, type, (u_longlong_t)dmu_objset_id(os), 1612 (u_longlong_t)dds.dds_creation_txg, 1613 numbuf, (u_longlong_t)usedobjs, blkbuf); 1614 1615 if (zopt_objects != 0) { 1616 for (i = 0; i < zopt_objects; i++) 1617 dump_object(os, zopt_object[i], verbosity, 1618 &print_header); 1619 (void) printf("\n"); 1620 return; 1621 } 1622 1623 if (dump_opt['i'] != 0 || verbosity >= 2) 1624 dump_intent_log(dmu_objset_zil(os)); 1625 1626 if (dmu_objset_ds(os) != NULL) 1627 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist); 1628 1629 if (verbosity < 2) 1630 return; 1631 1632 if (os->os_rootbp->blk_birth == 0) 1633 return; 1634 1635 dump_object(os, 0, verbosity, &print_header); 1636 object_count = 0; 1637 if (DMU_USERUSED_DNODE(os) != NULL && 1638 DMU_USERUSED_DNODE(os)->dn_type != 0) { 1639 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1640 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1641 } 1642 1643 object = 0; 1644 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1645 dump_object(os, object, verbosity, &print_header); 1646 object_count++; 1647 } 1648 1649 ASSERT3U(object_count, ==, usedobjs); 1650 1651 (void) printf("\n"); 1652 1653 if (error != ESRCH) { 1654 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1655 abort(); 1656 } 1657 } 1658 1659 static void 1660 dump_uberblock(uberblock_t *ub, const char *header, const char *footer) 1661 { 1662 time_t timestamp = ub->ub_timestamp; 1663 1664 (void) printf(header ? header : ""); 1665 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1666 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1667 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1668 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1669 (void) printf("\ttimestamp = %llu UTC = %s", 1670 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1671 if (dump_opt['u'] >= 3) { 1672 char blkbuf[BP_SPRINTF_LEN]; 1673 sprintf_blkptr(blkbuf, &ub->ub_rootbp); 1674 (void) printf("\trootbp = %s\n", blkbuf); 1675 } 1676 (void) printf(footer ? footer : ""); 1677 } 1678 1679 static void 1680 dump_config(spa_t *spa) 1681 { 1682 dmu_buf_t *db; 1683 size_t nvsize = 0; 1684 int error = 0; 1685 1686 1687 error = dmu_bonus_hold(spa->spa_meta_objset, 1688 spa->spa_config_object, FTAG, &db); 1689 1690 if (error == 0) { 1691 nvsize = *(uint64_t *)db->db_data; 1692 dmu_buf_rele(db, FTAG); 1693 1694 (void) printf("\nMOS Configuration:\n"); 1695 dump_packed_nvlist(spa->spa_meta_objset, 1696 spa->spa_config_object, (void *)&nvsize, 1); 1697 } else { 1698 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 1699 (u_longlong_t)spa->spa_config_object, error); 1700 } 1701 } 1702 1703 static void 1704 dump_cachefile(const char *cachefile) 1705 { 1706 int fd; 1707 struct stat64 statbuf; 1708 char *buf; 1709 nvlist_t *config; 1710 1711 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1712 (void) printf("cannot open '%s': %s\n", cachefile, 1713 strerror(errno)); 1714 exit(1); 1715 } 1716 1717 if (fstat64(fd, &statbuf) != 0) { 1718 (void) printf("failed to stat '%s': %s\n", cachefile, 1719 strerror(errno)); 1720 exit(1); 1721 } 1722 1723 if ((buf = malloc(statbuf.st_size)) == NULL) { 1724 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1725 (u_longlong_t)statbuf.st_size); 1726 exit(1); 1727 } 1728 1729 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1730 (void) fprintf(stderr, "failed to read %llu bytes\n", 1731 (u_longlong_t)statbuf.st_size); 1732 exit(1); 1733 } 1734 1735 (void) close(fd); 1736 1737 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1738 (void) fprintf(stderr, "failed to unpack nvlist\n"); 1739 exit(1); 1740 } 1741 1742 free(buf); 1743 1744 dump_nvlist(config, 0); 1745 1746 nvlist_free(config); 1747 } 1748 1749 #define ZDB_MAX_UB_HEADER_SIZE 32 1750 1751 static void 1752 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 1753 { 1754 vdev_t vd; 1755 vdev_t *vdp = &vd; 1756 char header[ZDB_MAX_UB_HEADER_SIZE]; 1757 1758 vd.vdev_ashift = ashift; 1759 vdp->vdev_top = vdp; 1760 1761 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 1762 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 1763 uberblock_t *ub = (void *)((char *)lbl + uoff); 1764 1765 if (uberblock_verify(ub)) 1766 continue; 1767 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 1768 "Uberblock[%d]\n", i); 1769 dump_uberblock(ub, header, ""); 1770 } 1771 } 1772 1773 static void 1774 dump_label(const char *dev) 1775 { 1776 int fd; 1777 vdev_label_t label; 1778 char *path, *buf = label.vl_vdev_phys.vp_nvlist; 1779 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1780 struct stat64 statbuf; 1781 uint64_t psize, ashift; 1782 int len = strlen(dev) + 1; 1783 1784 if (strncmp(dev, "/dev/dsk/", 9) == 0) { 1785 len++; 1786 path = malloc(len); 1787 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9); 1788 } else { 1789 path = strdup(dev); 1790 } 1791 1792 if ((fd = open64(path, O_RDONLY)) < 0) { 1793 (void) printf("cannot open '%s': %s\n", path, strerror(errno)); 1794 free(path); 1795 exit(1); 1796 } 1797 1798 if (fstat64(fd, &statbuf) != 0) { 1799 (void) printf("failed to stat '%s': %s\n", path, 1800 strerror(errno)); 1801 free(path); 1802 (void) close(fd); 1803 exit(1); 1804 } 1805 1806 if (S_ISBLK(statbuf.st_mode)) { 1807 (void) printf("cannot use '%s': character device required\n", 1808 path); 1809 free(path); 1810 (void) close(fd); 1811 exit(1); 1812 } 1813 1814 psize = statbuf.st_size; 1815 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1816 1817 for (int l = 0; l < VDEV_LABELS; l++) { 1818 nvlist_t *config = NULL; 1819 1820 (void) printf("--------------------------------------------\n"); 1821 (void) printf("LABEL %d\n", l); 1822 (void) printf("--------------------------------------------\n"); 1823 1824 if (pread64(fd, &label, sizeof (label), 1825 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1826 (void) printf("failed to read label %d\n", l); 1827 continue; 1828 } 1829 1830 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1831 (void) printf("failed to unpack label %d\n", l); 1832 ashift = SPA_MINBLOCKSHIFT; 1833 } else { 1834 nvlist_t *vdev_tree = NULL; 1835 1836 dump_nvlist(config, 4); 1837 if ((nvlist_lookup_nvlist(config, 1838 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 1839 (nvlist_lookup_uint64(vdev_tree, 1840 ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 1841 ashift = SPA_MINBLOCKSHIFT; 1842 nvlist_free(config); 1843 } 1844 if (dump_opt['u']) 1845 dump_label_uberblocks(&label, ashift); 1846 } 1847 1848 free(path); 1849 (void) close(fd); 1850 } 1851 1852 /*ARGSUSED*/ 1853 static int 1854 dump_one_dir(const char *dsname, void *arg) 1855 { 1856 int error; 1857 objset_t *os; 1858 1859 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 1860 if (error) { 1861 (void) printf("Could not open %s, error %d\n", dsname, error); 1862 return (0); 1863 } 1864 dump_dir(os); 1865 dmu_objset_disown(os, FTAG); 1866 fuid_table_destroy(); 1867 sa_loaded = B_FALSE; 1868 return (0); 1869 } 1870 1871 /* 1872 * Block statistics. 1873 */ 1874 typedef struct zdb_blkstats { 1875 uint64_t zb_asize; 1876 uint64_t zb_lsize; 1877 uint64_t zb_psize; 1878 uint64_t zb_count; 1879 } zdb_blkstats_t; 1880 1881 /* 1882 * Extended object types to report deferred frees and dedup auto-ditto blocks. 1883 */ 1884 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 1885 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 1886 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2) 1887 1888 static char *zdb_ot_extname[] = { 1889 "deferred free", 1890 "dedup ditto", 1891 "Total", 1892 }; 1893 1894 #define ZB_TOTAL DN_MAX_LEVELS 1895 1896 typedef struct zdb_cb { 1897 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 1898 uint64_t zcb_dedup_asize; 1899 uint64_t zcb_dedup_blocks; 1900 uint64_t zcb_errors[256]; 1901 int zcb_readfails; 1902 int zcb_haderrors; 1903 spa_t *zcb_spa; 1904 } zdb_cb_t; 1905 1906 static void 1907 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp, 1908 dmu_object_type_t type) 1909 { 1910 uint64_t refcnt = 0; 1911 1912 ASSERT(type < ZDB_OT_TOTAL); 1913 1914 if (zilog && zil_bp_tree_add(zilog, bp) != 0) 1915 return; 1916 1917 for (int i = 0; i < 4; i++) { 1918 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 1919 int t = (i & 1) ? type : ZDB_OT_TOTAL; 1920 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 1921 1922 zb->zb_asize += BP_GET_ASIZE(bp); 1923 zb->zb_lsize += BP_GET_LSIZE(bp); 1924 zb->zb_psize += BP_GET_PSIZE(bp); 1925 zb->zb_count++; 1926 } 1927 1928 if (dump_opt['L']) 1929 return; 1930 1931 if (BP_GET_DEDUP(bp)) { 1932 ddt_t *ddt; 1933 ddt_entry_t *dde; 1934 1935 ddt = ddt_select(zcb->zcb_spa, bp); 1936 ddt_enter(ddt); 1937 dde = ddt_lookup(ddt, bp, B_FALSE); 1938 1939 if (dde == NULL) { 1940 refcnt = 0; 1941 } else { 1942 ddt_phys_t *ddp = ddt_phys_select(dde, bp); 1943 ddt_phys_decref(ddp); 1944 refcnt = ddp->ddp_refcnt; 1945 if (ddt_phys_total_refcnt(dde) == 0) 1946 ddt_remove(ddt, dde); 1947 } 1948 ddt_exit(ddt); 1949 } 1950 1951 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa, 1952 refcnt ? 0 : spa_first_txg(zcb->zcb_spa), 1953 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 1954 } 1955 1956 /* ARGSUSED */ 1957 static int 1958 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf, 1959 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 1960 { 1961 zdb_cb_t *zcb = arg; 1962 char blkbuf[BP_SPRINTF_LEN]; 1963 dmu_object_type_t type; 1964 boolean_t is_metadata; 1965 1966 if (bp == NULL) 1967 return (0); 1968 1969 type = BP_GET_TYPE(bp); 1970 1971 zdb_count_block(zcb, zilog, bp, type); 1972 1973 is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata); 1974 1975 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) { 1976 int ioerr; 1977 size_t size = BP_GET_PSIZE(bp); 1978 void *data = malloc(size); 1979 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 1980 1981 /* If it's an intent log block, failure is expected. */ 1982 if (zb->zb_level == ZB_ZIL_LEVEL) 1983 flags |= ZIO_FLAG_SPECULATIVE; 1984 1985 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size, 1986 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 1987 1988 free(data); 1989 1990 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) { 1991 zcb->zcb_haderrors = 1; 1992 zcb->zcb_errors[ioerr]++; 1993 1994 if (dump_opt['b'] >= 2) 1995 sprintf_blkptr(blkbuf, bp); 1996 else 1997 blkbuf[0] = '\0'; 1998 1999 (void) printf("zdb_blkptr_cb: " 2000 "Got error %d reading " 2001 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 2002 ioerr, 2003 (u_longlong_t)zb->zb_objset, 2004 (u_longlong_t)zb->zb_object, 2005 (u_longlong_t)zb->zb_level, 2006 (u_longlong_t)zb->zb_blkid, 2007 blkbuf); 2008 } 2009 } 2010 2011 zcb->zcb_readfails = 0; 2012 2013 if (dump_opt['b'] >= 4) { 2014 sprintf_blkptr(blkbuf, bp); 2015 (void) printf("objset %llu object %llu " 2016 "level %lld offset 0x%llx %s\n", 2017 (u_longlong_t)zb->zb_objset, 2018 (u_longlong_t)zb->zb_object, 2019 (longlong_t)zb->zb_level, 2020 (u_longlong_t)blkid2offset(dnp, bp, zb), 2021 blkbuf); 2022 } 2023 2024 return (0); 2025 } 2026 2027 static void 2028 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 2029 { 2030 vdev_t *vd = sm->sm_ppd; 2031 2032 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 2033 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 2034 } 2035 2036 /* ARGSUSED */ 2037 static void 2038 zdb_space_map_load(space_map_t *sm) 2039 { 2040 } 2041 2042 static void 2043 zdb_space_map_unload(space_map_t *sm) 2044 { 2045 space_map_vacate(sm, zdb_leak, sm); 2046 } 2047 2048 /* ARGSUSED */ 2049 static void 2050 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 2051 { 2052 } 2053 2054 static space_map_ops_t zdb_space_map_ops = { 2055 zdb_space_map_load, 2056 zdb_space_map_unload, 2057 NULL, /* alloc */ 2058 zdb_space_map_claim, 2059 NULL, /* free */ 2060 NULL /* maxsize */ 2061 }; 2062 2063 static void 2064 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 2065 { 2066 ddt_bookmark_t ddb = { 0 }; 2067 ddt_entry_t dde; 2068 int error; 2069 2070 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 2071 blkptr_t blk; 2072 ddt_phys_t *ddp = dde.dde_phys; 2073 2074 if (ddb.ddb_class == DDT_CLASS_UNIQUE) 2075 return; 2076 2077 ASSERT(ddt_phys_total_refcnt(&dde) > 1); 2078 2079 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 2080 if (ddp->ddp_phys_birth == 0) 2081 continue; 2082 ddt_bp_create(ddb.ddb_checksum, 2083 &dde.dde_key, ddp, &blk); 2084 if (p == DDT_PHYS_DITTO) { 2085 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO); 2086 } else { 2087 zcb->zcb_dedup_asize += 2088 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 2089 zcb->zcb_dedup_blocks++; 2090 } 2091 } 2092 if (!dump_opt['L']) { 2093 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 2094 ddt_enter(ddt); 2095 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 2096 ddt_exit(ddt); 2097 } 2098 } 2099 2100 ASSERT(error == ENOENT); 2101 } 2102 2103 static void 2104 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 2105 { 2106 zcb->zcb_spa = spa; 2107 2108 if (!dump_opt['L']) { 2109 vdev_t *rvd = spa->spa_root_vdev; 2110 for (int c = 0; c < rvd->vdev_children; c++) { 2111 vdev_t *vd = rvd->vdev_child[c]; 2112 for (int m = 0; m < vd->vdev_ms_count; m++) { 2113 metaslab_t *msp = vd->vdev_ms[m]; 2114 mutex_enter(&msp->ms_lock); 2115 space_map_unload(&msp->ms_map); 2116 VERIFY(space_map_load(&msp->ms_map, 2117 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo, 2118 spa->spa_meta_objset) == 0); 2119 msp->ms_map.sm_ppd = vd; 2120 mutex_exit(&msp->ms_lock); 2121 } 2122 } 2123 } 2124 2125 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2126 2127 zdb_ddt_leak_init(spa, zcb); 2128 2129 spa_config_exit(spa, SCL_CONFIG, FTAG); 2130 } 2131 2132 static void 2133 zdb_leak_fini(spa_t *spa) 2134 { 2135 if (!dump_opt['L']) { 2136 vdev_t *rvd = spa->spa_root_vdev; 2137 for (int c = 0; c < rvd->vdev_children; c++) { 2138 vdev_t *vd = rvd->vdev_child[c]; 2139 for (int m = 0; m < vd->vdev_ms_count; m++) { 2140 metaslab_t *msp = vd->vdev_ms[m]; 2141 mutex_enter(&msp->ms_lock); 2142 space_map_unload(&msp->ms_map); 2143 mutex_exit(&msp->ms_lock); 2144 } 2145 } 2146 } 2147 } 2148 2149 /* ARGSUSED */ 2150 static int 2151 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 2152 { 2153 zdb_cb_t *zcb = arg; 2154 2155 if (dump_opt['b'] >= 4) { 2156 char blkbuf[BP_SPRINTF_LEN]; 2157 sprintf_blkptr(blkbuf, bp); 2158 (void) printf("[%s] %s\n", 2159 "deferred free", blkbuf); 2160 } 2161 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED); 2162 return (0); 2163 } 2164 2165 static int 2166 dump_block_stats(spa_t *spa) 2167 { 2168 zdb_cb_t zcb = { 0 }; 2169 zdb_blkstats_t *zb, *tzb; 2170 uint64_t norm_alloc, norm_space, total_alloc, total_found; 2171 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 2172 int leaks = 0; 2173 2174 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n", 2175 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 2176 (dump_opt['c'] == 1) ? "metadata " : "", 2177 dump_opt['c'] ? "checksums " : "", 2178 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 2179 !dump_opt['L'] ? "nothing leaked " : ""); 2180 2181 /* 2182 * Load all space maps as SM_ALLOC maps, then traverse the pool 2183 * claiming each block we discover. If the pool is perfectly 2184 * consistent, the space maps will be empty when we're done. 2185 * Anything left over is a leak; any block we can't claim (because 2186 * it's not part of any space map) is a double allocation, 2187 * reference to a freed block, or an unclaimed log block. 2188 */ 2189 zdb_leak_init(spa, &zcb); 2190 2191 /* 2192 * If there's a deferred-free bplist, process that first. 2193 */ 2194 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj, 2195 count_block_cb, &zcb, NULL); 2196 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj, 2197 count_block_cb, &zcb, NULL); 2198 2199 if (dump_opt['c'] > 1) 2200 flags |= TRAVERSE_PREFETCH_DATA; 2201 2202 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 2203 2204 if (zcb.zcb_haderrors) { 2205 (void) printf("\nError counts:\n\n"); 2206 (void) printf("\t%5s %s\n", "errno", "count"); 2207 for (int e = 0; e < 256; e++) { 2208 if (zcb.zcb_errors[e] != 0) { 2209 (void) printf("\t%5d %llu\n", 2210 e, (u_longlong_t)zcb.zcb_errors[e]); 2211 } 2212 } 2213 } 2214 2215 /* 2216 * Report any leaked segments. 2217 */ 2218 zdb_leak_fini(spa); 2219 2220 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 2221 2222 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 2223 norm_space = metaslab_class_get_space(spa_normal_class(spa)); 2224 2225 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 2226 total_found = tzb->zb_asize - zcb.zcb_dedup_asize; 2227 2228 if (total_found == total_alloc) { 2229 if (!dump_opt['L']) 2230 (void) printf("\n\tNo leaks (block sum matches space" 2231 " maps exactly)\n"); 2232 } else { 2233 (void) printf("block traversal size %llu != alloc %llu " 2234 "(%s %lld)\n", 2235 (u_longlong_t)total_found, 2236 (u_longlong_t)total_alloc, 2237 (dump_opt['L']) ? "unreachable" : "leaked", 2238 (longlong_t)(total_alloc - total_found)); 2239 leaks = 1; 2240 } 2241 2242 if (tzb->zb_count == 0) 2243 return (2); 2244 2245 (void) printf("\n"); 2246 (void) printf("\tbp count: %10llu\n", 2247 (u_longlong_t)tzb->zb_count); 2248 (void) printf("\tbp logical: %10llu avg: %6llu\n", 2249 (u_longlong_t)tzb->zb_lsize, 2250 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 2251 (void) printf("\tbp physical: %10llu avg:" 2252 " %6llu compression: %6.2f\n", 2253 (u_longlong_t)tzb->zb_psize, 2254 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 2255 (double)tzb->zb_lsize / tzb->zb_psize); 2256 (void) printf("\tbp allocated: %10llu avg:" 2257 " %6llu compression: %6.2f\n", 2258 (u_longlong_t)tzb->zb_asize, 2259 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 2260 (double)tzb->zb_lsize / tzb->zb_asize); 2261 (void) printf("\tbp deduped: %10llu ref>1:" 2262 " %6llu deduplication: %6.2f\n", 2263 (u_longlong_t)zcb.zcb_dedup_asize, 2264 (u_longlong_t)zcb.zcb_dedup_blocks, 2265 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 2266 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 2267 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 2268 2269 if (dump_opt['b'] >= 2) { 2270 int l, t, level; 2271 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 2272 "\t avg\t comp\t%%Total\tType\n"); 2273 2274 for (t = 0; t <= ZDB_OT_TOTAL; t++) { 2275 char csize[32], lsize[32], psize[32], asize[32]; 2276 char avg[32]; 2277 char *typename; 2278 2279 if (t < DMU_OT_NUMTYPES) 2280 typename = dmu_ot[t].ot_name; 2281 else 2282 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 2283 2284 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 2285 (void) printf("%6s\t%5s\t%5s\t%5s" 2286 "\t%5s\t%5s\t%6s\t%s\n", 2287 "-", 2288 "-", 2289 "-", 2290 "-", 2291 "-", 2292 "-", 2293 "-", 2294 typename); 2295 continue; 2296 } 2297 2298 for (l = ZB_TOTAL - 1; l >= -1; l--) { 2299 level = (l == -1 ? ZB_TOTAL : l); 2300 zb = &zcb.zcb_type[level][t]; 2301 2302 if (zb->zb_asize == 0) 2303 continue; 2304 2305 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 2306 continue; 2307 2308 if (level == 0 && zb->zb_asize == 2309 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 2310 continue; 2311 2312 zdb_nicenum(zb->zb_count, csize); 2313 zdb_nicenum(zb->zb_lsize, lsize); 2314 zdb_nicenum(zb->zb_psize, psize); 2315 zdb_nicenum(zb->zb_asize, asize); 2316 zdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2317 2318 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 2319 "\t%5.2f\t%6.2f\t", 2320 csize, lsize, psize, asize, avg, 2321 (double)zb->zb_lsize / zb->zb_psize, 2322 100.0 * zb->zb_asize / tzb->zb_asize); 2323 2324 if (level == ZB_TOTAL) 2325 (void) printf("%s\n", typename); 2326 else 2327 (void) printf(" L%d %s\n", 2328 level, typename); 2329 } 2330 } 2331 } 2332 2333 (void) printf("\n"); 2334 2335 if (leaks) 2336 return (2); 2337 2338 if (zcb.zcb_haderrors) 2339 return (3); 2340 2341 return (0); 2342 } 2343 2344 typedef struct zdb_ddt_entry { 2345 ddt_key_t zdde_key; 2346 uint64_t zdde_ref_blocks; 2347 uint64_t zdde_ref_lsize; 2348 uint64_t zdde_ref_psize; 2349 uint64_t zdde_ref_dsize; 2350 avl_node_t zdde_node; 2351 } zdb_ddt_entry_t; 2352 2353 /* ARGSUSED */ 2354 static int 2355 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2356 arc_buf_t *pbuf, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 2357 { 2358 avl_tree_t *t = arg; 2359 avl_index_t where; 2360 zdb_ddt_entry_t *zdde, zdde_search; 2361 2362 if (bp == NULL) 2363 return (0); 2364 2365 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 2366 (void) printf("traversing objset %llu, %llu objects, " 2367 "%lu blocks so far\n", 2368 (u_longlong_t)zb->zb_objset, 2369 (u_longlong_t)bp->blk_fill, 2370 avl_numnodes(t)); 2371 } 2372 2373 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 2374 BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata) 2375 return (0); 2376 2377 ddt_key_fill(&zdde_search.zdde_key, bp); 2378 2379 zdde = avl_find(t, &zdde_search, &where); 2380 2381 if (zdde == NULL) { 2382 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 2383 zdde->zdde_key = zdde_search.zdde_key; 2384 avl_insert(t, zdde, where); 2385 } 2386 2387 zdde->zdde_ref_blocks += 1; 2388 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 2389 zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 2390 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 2391 2392 return (0); 2393 } 2394 2395 static void 2396 dump_simulated_ddt(spa_t *spa) 2397 { 2398 avl_tree_t t; 2399 void *cookie = NULL; 2400 zdb_ddt_entry_t *zdde; 2401 ddt_histogram_t ddh_total = { 0 }; 2402 ddt_stat_t dds_total = { 0 }; 2403 2404 avl_create(&t, ddt_entry_compare, 2405 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 2406 2407 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2408 2409 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 2410 zdb_ddt_add_cb, &t); 2411 2412 spa_config_exit(spa, SCL_CONFIG, FTAG); 2413 2414 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 2415 ddt_stat_t dds; 2416 uint64_t refcnt = zdde->zdde_ref_blocks; 2417 ASSERT(refcnt != 0); 2418 2419 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 2420 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 2421 dds.dds_psize = zdde->zdde_ref_psize / refcnt; 2422 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 2423 2424 dds.dds_ref_blocks = zdde->zdde_ref_blocks; 2425 dds.dds_ref_lsize = zdde->zdde_ref_lsize; 2426 dds.dds_ref_psize = zdde->zdde_ref_psize; 2427 dds.dds_ref_dsize = zdde->zdde_ref_dsize; 2428 2429 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0); 2430 2431 umem_free(zdde, sizeof (*zdde)); 2432 } 2433 2434 avl_destroy(&t); 2435 2436 ddt_histogram_stat(&dds_total, &ddh_total); 2437 2438 (void) printf("Simulated DDT histogram:\n"); 2439 2440 zpool_dump_ddt(&dds_total, &ddh_total); 2441 2442 dump_dedup_ratio(&dds_total); 2443 } 2444 2445 static void 2446 dump_zpool(spa_t *spa) 2447 { 2448 dsl_pool_t *dp = spa_get_dsl(spa); 2449 int rc = 0; 2450 2451 if (dump_opt['S']) { 2452 dump_simulated_ddt(spa); 2453 return; 2454 } 2455 2456 if (!dump_opt['e'] && dump_opt['C'] > 1) { 2457 (void) printf("\nCached configuration:\n"); 2458 dump_nvlist(spa->spa_config, 8); 2459 } 2460 2461 if (dump_opt['C']) 2462 dump_config(spa); 2463 2464 if (dump_opt['u']) 2465 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 2466 2467 if (dump_opt['D']) 2468 dump_all_ddts(spa); 2469 2470 if (dump_opt['d'] > 2 || dump_opt['m']) 2471 dump_metaslabs(spa); 2472 2473 if (dump_opt['d'] || dump_opt['i']) { 2474 dump_dir(dp->dp_meta_objset); 2475 if (dump_opt['d'] >= 3) { 2476 dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees"); 2477 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2478 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj, 2479 "Pool frees"); 2480 } 2481 dump_dtl(spa->spa_root_vdev, 0); 2482 } 2483 (void) dmu_objset_find(spa_name(spa), dump_one_dir, 2484 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 2485 } 2486 if (dump_opt['b'] || dump_opt['c']) 2487 rc = dump_block_stats(spa); 2488 2489 if (dump_opt['s']) 2490 show_pool_stats(spa); 2491 2492 if (dump_opt['h']) 2493 dump_history(spa); 2494 2495 if (rc != 0) 2496 exit(rc); 2497 } 2498 2499 #define ZDB_FLAG_CHECKSUM 0x0001 2500 #define ZDB_FLAG_DECOMPRESS 0x0002 2501 #define ZDB_FLAG_BSWAP 0x0004 2502 #define ZDB_FLAG_GBH 0x0008 2503 #define ZDB_FLAG_INDIRECT 0x0010 2504 #define ZDB_FLAG_PHYS 0x0020 2505 #define ZDB_FLAG_RAW 0x0040 2506 #define ZDB_FLAG_PRINT_BLKPTR 0x0080 2507 2508 int flagbits[256]; 2509 2510 static void 2511 zdb_print_blkptr(blkptr_t *bp, int flags) 2512 { 2513 char blkbuf[BP_SPRINTF_LEN]; 2514 2515 if (flags & ZDB_FLAG_BSWAP) 2516 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 2517 2518 sprintf_blkptr(blkbuf, bp); 2519 (void) printf("%s\n", blkbuf); 2520 } 2521 2522 static void 2523 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 2524 { 2525 int i; 2526 2527 for (i = 0; i < nbps; i++) 2528 zdb_print_blkptr(&bp[i], flags); 2529 } 2530 2531 static void 2532 zdb_dump_gbh(void *buf, int flags) 2533 { 2534 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 2535 } 2536 2537 static void 2538 zdb_dump_block_raw(void *buf, uint64_t size, int flags) 2539 { 2540 if (flags & ZDB_FLAG_BSWAP) 2541 byteswap_uint64_array(buf, size); 2542 (void) write(1, buf, size); 2543 } 2544 2545 static void 2546 zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 2547 { 2548 uint64_t *d = (uint64_t *)buf; 2549 int nwords = size / sizeof (uint64_t); 2550 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 2551 int i, j; 2552 char *hdr, *c; 2553 2554 2555 if (do_bswap) 2556 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 2557 else 2558 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 2559 2560 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 2561 2562 for (i = 0; i < nwords; i += 2) { 2563 (void) printf("%06llx: %016llx %016llx ", 2564 (u_longlong_t)(i * sizeof (uint64_t)), 2565 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 2566 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 2567 2568 c = (char *)&d[i]; 2569 for (j = 0; j < 2 * sizeof (uint64_t); j++) 2570 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 2571 (void) printf("\n"); 2572 } 2573 } 2574 2575 /* 2576 * There are two acceptable formats: 2577 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 2578 * child[.child]* - For example: 0.1.1 2579 * 2580 * The second form can be used to specify arbitrary vdevs anywhere 2581 * in the heirarchy. For example, in a pool with a mirror of 2582 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 2583 */ 2584 static vdev_t * 2585 zdb_vdev_lookup(vdev_t *vdev, char *path) 2586 { 2587 char *s, *p, *q; 2588 int i; 2589 2590 if (vdev == NULL) 2591 return (NULL); 2592 2593 /* First, assume the x.x.x.x format */ 2594 i = (int)strtoul(path, &s, 10); 2595 if (s == path || (s && *s != '.' && *s != '\0')) 2596 goto name; 2597 if (i < 0 || i >= vdev->vdev_children) 2598 return (NULL); 2599 2600 vdev = vdev->vdev_child[i]; 2601 if (*s == '\0') 2602 return (vdev); 2603 return (zdb_vdev_lookup(vdev, s+1)); 2604 2605 name: 2606 for (i = 0; i < vdev->vdev_children; i++) { 2607 vdev_t *vc = vdev->vdev_child[i]; 2608 2609 if (vc->vdev_path == NULL) { 2610 vc = zdb_vdev_lookup(vc, path); 2611 if (vc == NULL) 2612 continue; 2613 else 2614 return (vc); 2615 } 2616 2617 p = strrchr(vc->vdev_path, '/'); 2618 p = p ? p + 1 : vc->vdev_path; 2619 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 2620 2621 if (strcmp(vc->vdev_path, path) == 0) 2622 return (vc); 2623 if (strcmp(p, path) == 0) 2624 return (vc); 2625 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 2626 return (vc); 2627 } 2628 2629 return (NULL); 2630 } 2631 2632 /* 2633 * Read a block from a pool and print it out. The syntax of the 2634 * block descriptor is: 2635 * 2636 * pool:vdev_specifier:offset:size[:flags] 2637 * 2638 * pool - The name of the pool you wish to read from 2639 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 2640 * offset - offset, in hex, in bytes 2641 * size - Amount of data to read, in hex, in bytes 2642 * flags - A string of characters specifying options 2643 * b: Decode a blkptr at given offset within block 2644 * *c: Calculate and display checksums 2645 * d: Decompress data before dumping 2646 * e: Byteswap data before dumping 2647 * g: Display data as a gang block header 2648 * i: Display as an indirect block 2649 * p: Do I/O to physical offset 2650 * r: Dump raw data to stdout 2651 * 2652 * * = not yet implemented 2653 */ 2654 static void 2655 zdb_read_block(char *thing, spa_t *spa) 2656 { 2657 blkptr_t blk, *bp = &blk; 2658 dva_t *dva = bp->blk_dva; 2659 int flags = 0; 2660 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 2661 zio_t *zio; 2662 vdev_t *vd; 2663 void *pbuf, *lbuf, *buf; 2664 char *s, *p, *dup, *vdev, *flagstr; 2665 int i, error; 2666 2667 dup = strdup(thing); 2668 s = strtok(dup, ":"); 2669 vdev = s ? s : ""; 2670 s = strtok(NULL, ":"); 2671 offset = strtoull(s ? s : "", NULL, 16); 2672 s = strtok(NULL, ":"); 2673 size = strtoull(s ? s : "", NULL, 16); 2674 s = strtok(NULL, ":"); 2675 flagstr = s ? s : ""; 2676 2677 s = NULL; 2678 if (size == 0) 2679 s = "size must not be zero"; 2680 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 2681 s = "size must be a multiple of sector size"; 2682 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 2683 s = "offset must be a multiple of sector size"; 2684 if (s) { 2685 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 2686 free(dup); 2687 return; 2688 } 2689 2690 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 2691 for (i = 0; flagstr[i]; i++) { 2692 int bit = flagbits[(uchar_t)flagstr[i]]; 2693 2694 if (bit == 0) { 2695 (void) printf("***Invalid flag: %c\n", 2696 flagstr[i]); 2697 continue; 2698 } 2699 flags |= bit; 2700 2701 /* If it's not something with an argument, keep going */ 2702 if ((bit & (ZDB_FLAG_CHECKSUM | 2703 ZDB_FLAG_PRINT_BLKPTR)) == 0) 2704 continue; 2705 2706 p = &flagstr[i + 1]; 2707 if (bit == ZDB_FLAG_PRINT_BLKPTR) 2708 blkptr_offset = strtoull(p, &p, 16); 2709 if (*p != ':' && *p != '\0') { 2710 (void) printf("***Invalid flag arg: '%s'\n", s); 2711 free(dup); 2712 return; 2713 } 2714 } 2715 } 2716 2717 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 2718 if (vd == NULL) { 2719 (void) printf("***Invalid vdev: %s\n", vdev); 2720 free(dup); 2721 return; 2722 } else { 2723 if (vd->vdev_path) 2724 (void) fprintf(stderr, "Found vdev: %s\n", 2725 vd->vdev_path); 2726 else 2727 (void) fprintf(stderr, "Found vdev type: %s\n", 2728 vd->vdev_ops->vdev_op_type); 2729 } 2730 2731 psize = size; 2732 lsize = size; 2733 2734 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2735 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2736 2737 BP_ZERO(bp); 2738 2739 DVA_SET_VDEV(&dva[0], vd->vdev_id); 2740 DVA_SET_OFFSET(&dva[0], offset); 2741 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 2742 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 2743 2744 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 2745 2746 BP_SET_LSIZE(bp, lsize); 2747 BP_SET_PSIZE(bp, psize); 2748 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 2749 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 2750 BP_SET_TYPE(bp, DMU_OT_NONE); 2751 BP_SET_LEVEL(bp, 0); 2752 BP_SET_DEDUP(bp, 0); 2753 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 2754 2755 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2756 zio = zio_root(spa, NULL, NULL, 0); 2757 2758 if (vd == vd->vdev_top) { 2759 /* 2760 * Treat this as a normal block read. 2761 */ 2762 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL, 2763 ZIO_PRIORITY_SYNC_READ, 2764 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 2765 } else { 2766 /* 2767 * Treat this as a vdev child I/O. 2768 */ 2769 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize, 2770 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 2771 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2772 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 2773 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL)); 2774 } 2775 2776 error = zio_wait(zio); 2777 spa_config_exit(spa, SCL_STATE, FTAG); 2778 2779 if (error) { 2780 (void) printf("Read of %s failed, error: %d\n", thing, error); 2781 goto out; 2782 } 2783 2784 if (flags & ZDB_FLAG_DECOMPRESS) { 2785 /* 2786 * We don't know how the data was compressed, so just try 2787 * every decompress function at every inflated blocksize. 2788 */ 2789 enum zio_compress c; 2790 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2791 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2792 2793 bcopy(pbuf, pbuf2, psize); 2794 2795 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize, 2796 SPA_MAXBLOCKSIZE - psize) == 0); 2797 2798 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 2799 SPA_MAXBLOCKSIZE - psize) == 0); 2800 2801 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 2802 lsize -= SPA_MINBLOCKSIZE) { 2803 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 2804 if (zio_decompress_data(c, pbuf, lbuf, 2805 psize, lsize) == 0 && 2806 zio_decompress_data(c, pbuf2, lbuf2, 2807 psize, lsize) == 0 && 2808 bcmp(lbuf, lbuf2, lsize) == 0) 2809 break; 2810 } 2811 if (c != ZIO_COMPRESS_FUNCTIONS) 2812 break; 2813 lsize -= SPA_MINBLOCKSIZE; 2814 } 2815 2816 umem_free(pbuf2, SPA_MAXBLOCKSIZE); 2817 umem_free(lbuf2, SPA_MAXBLOCKSIZE); 2818 2819 if (lsize <= psize) { 2820 (void) printf("Decompress of %s failed\n", thing); 2821 goto out; 2822 } 2823 buf = lbuf; 2824 size = lsize; 2825 } else { 2826 buf = pbuf; 2827 size = psize; 2828 } 2829 2830 if (flags & ZDB_FLAG_PRINT_BLKPTR) 2831 zdb_print_blkptr((blkptr_t *)(void *) 2832 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 2833 else if (flags & ZDB_FLAG_RAW) 2834 zdb_dump_block_raw(buf, size, flags); 2835 else if (flags & ZDB_FLAG_INDIRECT) 2836 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 2837 flags); 2838 else if (flags & ZDB_FLAG_GBH) 2839 zdb_dump_gbh(buf, flags); 2840 else 2841 zdb_dump_block(thing, buf, size, flags); 2842 2843 out: 2844 umem_free(pbuf, SPA_MAXBLOCKSIZE); 2845 umem_free(lbuf, SPA_MAXBLOCKSIZE); 2846 free(dup); 2847 } 2848 2849 static boolean_t 2850 pool_match(nvlist_t *cfg, char *tgt) 2851 { 2852 uint64_t v, guid = strtoull(tgt, NULL, 0); 2853 char *s; 2854 2855 if (guid != 0) { 2856 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 2857 return (v == guid); 2858 } else { 2859 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 2860 return (strcmp(s, tgt) == 0); 2861 } 2862 return (B_FALSE); 2863 } 2864 2865 static char * 2866 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 2867 { 2868 nvlist_t *pools; 2869 nvlist_t *match = NULL; 2870 char *name = NULL; 2871 char *sepp = NULL; 2872 char sep; 2873 int count = 0; 2874 importargs_t args = { 0 }; 2875 2876 args.paths = dirc; 2877 args.path = dirv; 2878 args.can_be_active = B_TRUE; 2879 2880 if ((sepp = strpbrk(*target, "/@")) != NULL) { 2881 sep = *sepp; 2882 *sepp = '\0'; 2883 } 2884 2885 pools = zpool_search_import(g_zfs, &args); 2886 2887 if (pools != NULL) { 2888 nvpair_t *elem = NULL; 2889 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2890 verify(nvpair_value_nvlist(elem, configp) == 0); 2891 if (pool_match(*configp, *target)) { 2892 count++; 2893 if (match != NULL) { 2894 /* print previously found config */ 2895 if (name != NULL) { 2896 (void) printf("%s\n", name); 2897 dump_nvlist(match, 8); 2898 name = NULL; 2899 } 2900 (void) printf("%s\n", 2901 nvpair_name(elem)); 2902 dump_nvlist(*configp, 8); 2903 } else { 2904 match = *configp; 2905 name = nvpair_name(elem); 2906 } 2907 } 2908 } 2909 } 2910 if (count > 1) 2911 (void) fatal("\tMatched %d pools - use pool GUID " 2912 "instead of pool name or \n" 2913 "\tpool name part of a dataset name to select pool", count); 2914 2915 if (sepp) 2916 *sepp = sep; 2917 /* 2918 * If pool GUID was specified for pool id, replace it with pool name 2919 */ 2920 if (name && (strstr(*target, name) != *target)) { 2921 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 2922 2923 *target = umem_alloc(sz, UMEM_NOFAIL); 2924 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 2925 } 2926 2927 *configp = name ? match : NULL; 2928 2929 return (name); 2930 } 2931 2932 int 2933 main(int argc, char **argv) 2934 { 2935 int i, c; 2936 struct rlimit rl = { 1024, 1024 }; 2937 spa_t *spa = NULL; 2938 objset_t *os = NULL; 2939 int dump_all = 1; 2940 int verbose = 0; 2941 int error = 0; 2942 char **searchdirs = NULL; 2943 int nsearch = 0; 2944 char *target; 2945 nvlist_t *policy = NULL; 2946 uint64_t max_txg = UINT64_MAX; 2947 int rewind = ZPOOL_NEVER_REWIND; 2948 2949 (void) setrlimit(RLIMIT_NOFILE, &rl); 2950 (void) enable_extended_FILE_stdio(-1, -1); 2951 2952 dprintf_setup(&argc, argv); 2953 2954 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) { 2955 switch (c) { 2956 case 'b': 2957 case 'c': 2958 case 'd': 2959 case 'h': 2960 case 'i': 2961 case 'l': 2962 case 'm': 2963 case 's': 2964 case 'u': 2965 case 'C': 2966 case 'D': 2967 case 'R': 2968 case 'S': 2969 dump_opt[c]++; 2970 dump_all = 0; 2971 break; 2972 case 'A': 2973 case 'F': 2974 case 'L': 2975 case 'X': 2976 case 'e': 2977 case 'P': 2978 dump_opt[c]++; 2979 break; 2980 case 'v': 2981 verbose++; 2982 break; 2983 case 'p': 2984 if (searchdirs == NULL) { 2985 searchdirs = umem_alloc(sizeof (char *), 2986 UMEM_NOFAIL); 2987 } else { 2988 char **tmp = umem_alloc((nsearch + 1) * 2989 sizeof (char *), UMEM_NOFAIL); 2990 bcopy(searchdirs, tmp, nsearch * 2991 sizeof (char *)); 2992 umem_free(searchdirs, 2993 nsearch * sizeof (char *)); 2994 searchdirs = tmp; 2995 } 2996 searchdirs[nsearch++] = optarg; 2997 break; 2998 case 't': 2999 max_txg = strtoull(optarg, NULL, 0); 3000 if (max_txg < TXG_INITIAL) { 3001 (void) fprintf(stderr, "incorrect txg " 3002 "specified: %s\n", optarg); 3003 usage(); 3004 } 3005 break; 3006 case 'U': 3007 spa_config_path = optarg; 3008 break; 3009 default: 3010 usage(); 3011 break; 3012 } 3013 } 3014 3015 if (!dump_opt['e'] && searchdirs != NULL) { 3016 (void) fprintf(stderr, "-p option requires use of -e\n"); 3017 usage(); 3018 } 3019 3020 kernel_init(FREAD); 3021 g_zfs = libzfs_init(); 3022 ASSERT(g_zfs != NULL); 3023 3024 if (dump_all) 3025 verbose = MAX(verbose, 1); 3026 3027 for (c = 0; c < 256; c++) { 3028 if (dump_all && !strchr("elAFLRSXP", c)) 3029 dump_opt[c] = 1; 3030 if (dump_opt[c]) 3031 dump_opt[c] += verbose; 3032 } 3033 3034 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 3035 zfs_recover = (dump_opt['A'] > 1); 3036 3037 argc -= optind; 3038 argv += optind; 3039 3040 if (argc < 2 && dump_opt['R']) 3041 usage(); 3042 if (argc < 1) { 3043 if (!dump_opt['e'] && dump_opt['C']) { 3044 dump_cachefile(spa_config_path); 3045 return (0); 3046 } 3047 usage(); 3048 } 3049 3050 if (dump_opt['l']) { 3051 dump_label(argv[0]); 3052 return (0); 3053 } 3054 3055 if (dump_opt['X'] || dump_opt['F']) 3056 rewind = ZPOOL_DO_REWIND | 3057 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 3058 3059 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 3060 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 3061 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 3062 fatal("internal error: %s", strerror(ENOMEM)); 3063 3064 error = 0; 3065 target = argv[0]; 3066 3067 if (dump_opt['e']) { 3068 nvlist_t *cfg = NULL; 3069 char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 3070 3071 error = ENOENT; 3072 if (name) { 3073 if (dump_opt['C'] > 1) { 3074 (void) printf("\nConfiguration for import:\n"); 3075 dump_nvlist(cfg, 8); 3076 } 3077 if (nvlist_add_nvlist(cfg, 3078 ZPOOL_REWIND_POLICY, policy) != 0) { 3079 fatal("can't open '%s': %s", 3080 target, strerror(ENOMEM)); 3081 } 3082 if ((error = spa_import(name, cfg, NULL, 3083 ZFS_IMPORT_MISSING_LOG)) != 0) { 3084 error = spa_import(name, cfg, NULL, 3085 ZFS_IMPORT_VERBATIM); 3086 } 3087 } 3088 } 3089 3090 if (error == 0) { 3091 if (strpbrk(target, "/@") == NULL || dump_opt['R']) { 3092 error = spa_open_rewind(target, &spa, FTAG, policy, 3093 NULL); 3094 if (error) { 3095 /* 3096 * If we're missing the log device then 3097 * try opening the pool after clearing the 3098 * log state. 3099 */ 3100 mutex_enter(&spa_namespace_lock); 3101 if ((spa = spa_lookup(target)) != NULL && 3102 spa->spa_log_state == SPA_LOG_MISSING) { 3103 spa->spa_log_state = SPA_LOG_CLEAR; 3104 error = 0; 3105 } 3106 mutex_exit(&spa_namespace_lock); 3107 3108 if (!error) { 3109 error = spa_open_rewind(target, &spa, 3110 FTAG, policy, NULL); 3111 } 3112 } 3113 } else { 3114 error = dmu_objset_own(target, DMU_OST_ANY, 3115 B_TRUE, FTAG, &os); 3116 } 3117 } 3118 nvlist_free(policy); 3119 3120 if (error) 3121 fatal("can't open '%s': %s", target, strerror(error)); 3122 3123 argv++; 3124 argc--; 3125 if (!dump_opt['R']) { 3126 if (argc > 0) { 3127 zopt_objects = argc; 3128 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 3129 for (i = 0; i < zopt_objects; i++) { 3130 errno = 0; 3131 zopt_object[i] = strtoull(argv[i], NULL, 0); 3132 if (zopt_object[i] == 0 && errno != 0) 3133 fatal("bad number %s: %s", 3134 argv[i], strerror(errno)); 3135 } 3136 } 3137 (os != NULL) ? dump_dir(os) : dump_zpool(spa); 3138 } else { 3139 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 3140 flagbits['c'] = ZDB_FLAG_CHECKSUM; 3141 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 3142 flagbits['e'] = ZDB_FLAG_BSWAP; 3143 flagbits['g'] = ZDB_FLAG_GBH; 3144 flagbits['i'] = ZDB_FLAG_INDIRECT; 3145 flagbits['p'] = ZDB_FLAG_PHYS; 3146 flagbits['r'] = ZDB_FLAG_RAW; 3147 3148 for (i = 0; i < argc; i++) 3149 zdb_read_block(argv[i], spa); 3150 } 3151 3152 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 3153 3154 fuid_table_destroy(); 3155 sa_loaded = B_FALSE; 3156 3157 libzfs_fini(g_zfs); 3158 kernel_fini(); 3159 3160 return (0); 3161 } 3162