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 /* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2011, 2014 by Delphix. All rights reserved. 25 */ 26 27 #include <stdio.h> 28 #include <unistd.h> 29 #include <stdio_ext.h> 30 #include <stdlib.h> 31 #include <ctype.h> 32 #include <sys/zfs_context.h> 33 #include <sys/spa.h> 34 #include <sys/spa_impl.h> 35 #include <sys/dmu.h> 36 #include <sys/zap.h> 37 #include <sys/fs/zfs.h> 38 #include <sys/zfs_znode.h> 39 #include <sys/zfs_sa.h> 40 #include <sys/sa.h> 41 #include <sys/sa_impl.h> 42 #include <sys/vdev.h> 43 #include <sys/vdev_impl.h> 44 #include <sys/metaslab_impl.h> 45 #include <sys/dmu_objset.h> 46 #include <sys/dsl_dir.h> 47 #include <sys/dsl_dataset.h> 48 #include <sys/dsl_pool.h> 49 #include <sys/dbuf.h> 50 #include <sys/zil.h> 51 #include <sys/zil_impl.h> 52 #include <sys/stat.h> 53 #include <sys/resource.h> 54 #include <sys/dmu_traverse.h> 55 #include <sys/zio_checksum.h> 56 #include <sys/zio_compress.h> 57 #include <sys/zfs_fuid.h> 58 #include <sys/arc.h> 59 #include <sys/ddt.h> 60 #include <sys/zfeature.h> 61 #include <zfs_comutil.h> 62 #undef ZFS_MAXNAMELEN 63 #undef verify 64 #include <libzfs.h> 65 66 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \ 67 zio_compress_table[(idx)].ci_name : "UNKNOWN") 68 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \ 69 zio_checksum_table[(idx)].ci_name : "UNKNOWN") 70 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \ 71 dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \ 72 dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN") 73 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \ 74 (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \ 75 DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES)) 76 77 #ifndef lint 78 extern boolean_t zfs_recover; 79 extern uint64_t zfs_arc_max, zfs_arc_meta_limit; 80 extern int zfs_vdev_async_read_max_active; 81 #else 82 boolean_t zfs_recover; 83 uint64_t zfs_arc_max, zfs_arc_meta_limit; 84 int zfs_vdev_async_read_max_active; 85 #endif 86 87 const char cmdname[] = "zdb"; 88 uint8_t dump_opt[256]; 89 90 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 91 92 extern void dump_intent_log(zilog_t *); 93 uint64_t *zopt_object = NULL; 94 int zopt_objects = 0; 95 libzfs_handle_t *g_zfs; 96 uint64_t max_inflight = 1000; 97 98 /* 99 * These libumem hooks provide a reasonable set of defaults for the allocator's 100 * debugging facilities. 101 */ 102 const char * 103 _umem_debug_init() 104 { 105 return ("default,verbose"); /* $UMEM_DEBUG setting */ 106 } 107 108 const char * 109 _umem_logging_init(void) 110 { 111 return ("fail,contents"); /* $UMEM_LOGGING setting */ 112 } 113 114 static void 115 usage(void) 116 { 117 (void) fprintf(stderr, 118 "Usage: %s [-CumMdibcsDvhLXFPA] [-t txg] [-e [-p path...]] " 119 "[-U config] [-I inflight I/Os] [-x dumpdir] poolname [object...]\n" 120 " %s [-divPA] [-e -p path...] [-U config] dataset " 121 "[object...]\n" 122 " %s -mM [-LXFPA] [-t txg] [-e [-p path...]] [-U config] " 123 "poolname [vdev [metaslab...]]\n" 124 " %s -R [-A] [-e [-p path...]] poolname " 125 "vdev:offset:size[:flags]\n" 126 " %s -S [-PA] [-e [-p path...]] [-U config] poolname\n" 127 " %s -l [-uA] device\n" 128 " %s -C [-A] [-U config]\n\n", 129 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 130 131 (void) fprintf(stderr, " Dataset name must include at least one " 132 "separator character '/' or '@'\n"); 133 (void) fprintf(stderr, " If dataset name is specified, only that " 134 "dataset is dumped\n"); 135 (void) fprintf(stderr, " If object numbers are specified, only " 136 "those objects are dumped\n\n"); 137 (void) fprintf(stderr, " Options to control amount of output:\n"); 138 (void) fprintf(stderr, " -u uberblock\n"); 139 (void) fprintf(stderr, " -d dataset(s)\n"); 140 (void) fprintf(stderr, " -i intent logs\n"); 141 (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 142 (void) fprintf(stderr, " -h pool history\n"); 143 (void) fprintf(stderr, " -b block statistics\n"); 144 (void) fprintf(stderr, " -m metaslabs\n"); 145 (void) fprintf(stderr, " -M metaslab groups\n"); 146 (void) fprintf(stderr, " -c checksum all metadata (twice for " 147 "all data) blocks\n"); 148 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 149 (void) fprintf(stderr, " -D dedup statistics\n"); 150 (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 151 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 152 (void) fprintf(stderr, " -l dump label contents\n"); 153 (void) fprintf(stderr, " -L disable leak tracking (do not " 154 "load spacemaps)\n"); 155 (void) fprintf(stderr, " -R read and display block from a " 156 "device\n\n"); 157 (void) fprintf(stderr, " Below options are intended for use " 158 "with other options:\n"); 159 (void) fprintf(stderr, " -A ignore assertions (-A), enable " 160 "panic recovery (-AA) or both (-AAA)\n"); 161 (void) fprintf(stderr, " -F attempt automatic rewind within " 162 "safe range of transaction groups\n"); 163 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 164 "cachefile\n"); 165 (void) fprintf(stderr, " -X attempt extreme rewind (does not " 166 "work with dataset)\n"); 167 (void) fprintf(stderr, " -e pool is exported/destroyed/" 168 "has altroot/not in a cachefile\n"); 169 (void) fprintf(stderr, " -p <path> -- use one or more with " 170 "-e to specify path to vdev dir\n"); 171 (void) fprintf(stderr, " -x <dumpdir> -- " 172 "dump all read blocks into specified directory\n"); 173 (void) fprintf(stderr, " -P print numbers in parseable form\n"); 174 (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 175 "searching for uberblocks\n"); 176 (void) fprintf(stderr, " -I <number of inflight I/Os> -- " 177 "specify the maximum number of " 178 "checksumming I/Os [default is 200]\n"); 179 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 180 "to make only that option verbose\n"); 181 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 182 exit(1); 183 } 184 185 /* 186 * Called for usage errors that are discovered after a call to spa_open(), 187 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 188 */ 189 190 static void 191 fatal(const char *fmt, ...) 192 { 193 va_list ap; 194 195 va_start(ap, fmt); 196 (void) fprintf(stderr, "%s: ", cmdname); 197 (void) vfprintf(stderr, fmt, ap); 198 va_end(ap); 199 (void) fprintf(stderr, "\n"); 200 201 exit(1); 202 } 203 204 /* ARGSUSED */ 205 static void 206 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 207 { 208 nvlist_t *nv; 209 size_t nvsize = *(uint64_t *)data; 210 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 211 212 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 213 214 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 215 216 umem_free(packed, nvsize); 217 218 dump_nvlist(nv, 8); 219 220 nvlist_free(nv); 221 } 222 223 /* ARGSUSED */ 224 static void 225 dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size) 226 { 227 spa_history_phys_t *shp = data; 228 229 if (shp == NULL) 230 return; 231 232 (void) printf("\t\tpool_create_len = %llu\n", 233 (u_longlong_t)shp->sh_pool_create_len); 234 (void) printf("\t\tphys_max_off = %llu\n", 235 (u_longlong_t)shp->sh_phys_max_off); 236 (void) printf("\t\tbof = %llu\n", 237 (u_longlong_t)shp->sh_bof); 238 (void) printf("\t\teof = %llu\n", 239 (u_longlong_t)shp->sh_eof); 240 (void) printf("\t\trecords_lost = %llu\n", 241 (u_longlong_t)shp->sh_records_lost); 242 } 243 244 static void 245 zdb_nicenum(uint64_t num, char *buf) 246 { 247 if (dump_opt['P']) 248 (void) sprintf(buf, "%llu", (longlong_t)num); 249 else 250 nicenum(num, buf); 251 } 252 253 const char histo_stars[] = "****************************************"; 254 const int histo_width = sizeof (histo_stars) - 1; 255 256 static void 257 dump_histogram(const uint64_t *histo, int size, int offset) 258 { 259 int i; 260 int minidx = size - 1; 261 int maxidx = 0; 262 uint64_t max = 0; 263 264 for (i = 0; i < size; i++) { 265 if (histo[i] > max) 266 max = histo[i]; 267 if (histo[i] > 0 && i > maxidx) 268 maxidx = i; 269 if (histo[i] > 0 && i < minidx) 270 minidx = i; 271 } 272 273 if (max < histo_width) 274 max = histo_width; 275 276 for (i = minidx; i <= maxidx; i++) { 277 (void) printf("\t\t\t%3u: %6llu %s\n", 278 i + offset, (u_longlong_t)histo[i], 279 &histo_stars[(max - histo[i]) * histo_width / max]); 280 } 281 } 282 283 static void 284 dump_zap_stats(objset_t *os, uint64_t object) 285 { 286 int error; 287 zap_stats_t zs; 288 289 error = zap_get_stats(os, object, &zs); 290 if (error) 291 return; 292 293 if (zs.zs_ptrtbl_len == 0) { 294 ASSERT(zs.zs_num_blocks == 1); 295 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 296 (u_longlong_t)zs.zs_blocksize, 297 (u_longlong_t)zs.zs_num_entries); 298 return; 299 } 300 301 (void) printf("\tFat ZAP stats:\n"); 302 303 (void) printf("\t\tPointer table:\n"); 304 (void) printf("\t\t\t%llu elements\n", 305 (u_longlong_t)zs.zs_ptrtbl_len); 306 (void) printf("\t\t\tzt_blk: %llu\n", 307 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 308 (void) printf("\t\t\tzt_numblks: %llu\n", 309 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 310 (void) printf("\t\t\tzt_shift: %llu\n", 311 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 312 (void) printf("\t\t\tzt_blks_copied: %llu\n", 313 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 314 (void) printf("\t\t\tzt_nextblk: %llu\n", 315 (u_longlong_t)zs.zs_ptrtbl_nextblk); 316 317 (void) printf("\t\tZAP entries: %llu\n", 318 (u_longlong_t)zs.zs_num_entries); 319 (void) printf("\t\tLeaf blocks: %llu\n", 320 (u_longlong_t)zs.zs_num_leafs); 321 (void) printf("\t\tTotal blocks: %llu\n", 322 (u_longlong_t)zs.zs_num_blocks); 323 (void) printf("\t\tzap_block_type: 0x%llx\n", 324 (u_longlong_t)zs.zs_block_type); 325 (void) printf("\t\tzap_magic: 0x%llx\n", 326 (u_longlong_t)zs.zs_magic); 327 (void) printf("\t\tzap_salt: 0x%llx\n", 328 (u_longlong_t)zs.zs_salt); 329 330 (void) printf("\t\tLeafs with 2^n pointers:\n"); 331 dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE, 0); 332 333 (void) printf("\t\tBlocks with n*5 entries:\n"); 334 dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE, 0); 335 336 (void) printf("\t\tBlocks n/10 full:\n"); 337 dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE, 0); 338 339 (void) printf("\t\tEntries with n chunks:\n"); 340 dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE, 0); 341 342 (void) printf("\t\tBuckets with n entries:\n"); 343 dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE, 0); 344 } 345 346 /*ARGSUSED*/ 347 static void 348 dump_none(objset_t *os, uint64_t object, void *data, size_t size) 349 { 350 } 351 352 /*ARGSUSED*/ 353 static void 354 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 355 { 356 (void) printf("\tUNKNOWN OBJECT TYPE\n"); 357 } 358 359 /*ARGSUSED*/ 360 void 361 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 362 { 363 } 364 365 /*ARGSUSED*/ 366 static void 367 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 368 { 369 } 370 371 /*ARGSUSED*/ 372 static void 373 dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 374 { 375 zap_cursor_t zc; 376 zap_attribute_t attr; 377 void *prop; 378 int i; 379 380 dump_zap_stats(os, object); 381 (void) printf("\n"); 382 383 for (zap_cursor_init(&zc, os, object); 384 zap_cursor_retrieve(&zc, &attr) == 0; 385 zap_cursor_advance(&zc)) { 386 (void) printf("\t\t%s = ", attr.za_name); 387 if (attr.za_num_integers == 0) { 388 (void) printf("\n"); 389 continue; 390 } 391 prop = umem_zalloc(attr.za_num_integers * 392 attr.za_integer_length, UMEM_NOFAIL); 393 (void) zap_lookup(os, object, attr.za_name, 394 attr.za_integer_length, attr.za_num_integers, prop); 395 if (attr.za_integer_length == 1) { 396 (void) printf("%s", (char *)prop); 397 } else { 398 for (i = 0; i < attr.za_num_integers; i++) { 399 switch (attr.za_integer_length) { 400 case 2: 401 (void) printf("%u ", 402 ((uint16_t *)prop)[i]); 403 break; 404 case 4: 405 (void) printf("%u ", 406 ((uint32_t *)prop)[i]); 407 break; 408 case 8: 409 (void) printf("%lld ", 410 (u_longlong_t)((int64_t *)prop)[i]); 411 break; 412 } 413 } 414 } 415 (void) printf("\n"); 416 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 417 } 418 zap_cursor_fini(&zc); 419 } 420 421 /*ARGSUSED*/ 422 static void 423 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 424 { 425 dump_zap_stats(os, object); 426 /* contents are printed elsewhere, properly decoded */ 427 } 428 429 /*ARGSUSED*/ 430 static void 431 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size) 432 { 433 zap_cursor_t zc; 434 zap_attribute_t attr; 435 436 dump_zap_stats(os, object); 437 (void) printf("\n"); 438 439 for (zap_cursor_init(&zc, os, object); 440 zap_cursor_retrieve(&zc, &attr) == 0; 441 zap_cursor_advance(&zc)) { 442 (void) printf("\t\t%s = ", attr.za_name); 443 if (attr.za_num_integers == 0) { 444 (void) printf("\n"); 445 continue; 446 } 447 (void) printf(" %llx : [%d:%d:%d]\n", 448 (u_longlong_t)attr.za_first_integer, 449 (int)ATTR_LENGTH(attr.za_first_integer), 450 (int)ATTR_BSWAP(attr.za_first_integer), 451 (int)ATTR_NUM(attr.za_first_integer)); 452 } 453 zap_cursor_fini(&zc); 454 } 455 456 /*ARGSUSED*/ 457 static void 458 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size) 459 { 460 zap_cursor_t zc; 461 zap_attribute_t attr; 462 uint16_t *layout_attrs; 463 int i; 464 465 dump_zap_stats(os, object); 466 (void) printf("\n"); 467 468 for (zap_cursor_init(&zc, os, object); 469 zap_cursor_retrieve(&zc, &attr) == 0; 470 zap_cursor_advance(&zc)) { 471 (void) printf("\t\t%s = [", attr.za_name); 472 if (attr.za_num_integers == 0) { 473 (void) printf("\n"); 474 continue; 475 } 476 477 VERIFY(attr.za_integer_length == 2); 478 layout_attrs = umem_zalloc(attr.za_num_integers * 479 attr.za_integer_length, UMEM_NOFAIL); 480 481 VERIFY(zap_lookup(os, object, attr.za_name, 482 attr.za_integer_length, 483 attr.za_num_integers, layout_attrs) == 0); 484 485 for (i = 0; i != attr.za_num_integers; i++) 486 (void) printf(" %d ", (int)layout_attrs[i]); 487 (void) printf("]\n"); 488 umem_free(layout_attrs, 489 attr.za_num_integers * attr.za_integer_length); 490 } 491 zap_cursor_fini(&zc); 492 } 493 494 /*ARGSUSED*/ 495 static void 496 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 497 { 498 zap_cursor_t zc; 499 zap_attribute_t attr; 500 const char *typenames[] = { 501 /* 0 */ "not specified", 502 /* 1 */ "FIFO", 503 /* 2 */ "Character Device", 504 /* 3 */ "3 (invalid)", 505 /* 4 */ "Directory", 506 /* 5 */ "5 (invalid)", 507 /* 6 */ "Block Device", 508 /* 7 */ "7 (invalid)", 509 /* 8 */ "Regular File", 510 /* 9 */ "9 (invalid)", 511 /* 10 */ "Symbolic Link", 512 /* 11 */ "11 (invalid)", 513 /* 12 */ "Socket", 514 /* 13 */ "Door", 515 /* 14 */ "Event Port", 516 /* 15 */ "15 (invalid)", 517 }; 518 519 dump_zap_stats(os, object); 520 (void) printf("\n"); 521 522 for (zap_cursor_init(&zc, os, object); 523 zap_cursor_retrieve(&zc, &attr) == 0; 524 zap_cursor_advance(&zc)) { 525 (void) printf("\t\t%s = %lld (type: %s)\n", 526 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 527 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 528 } 529 zap_cursor_fini(&zc); 530 } 531 532 int 533 get_dtl_refcount(vdev_t *vd) 534 { 535 int refcount = 0; 536 537 if (vd->vdev_ops->vdev_op_leaf) { 538 space_map_t *sm = vd->vdev_dtl_sm; 539 540 if (sm != NULL && 541 sm->sm_dbuf->db_size == sizeof (space_map_phys_t)) 542 return (1); 543 return (0); 544 } 545 546 for (int c = 0; c < vd->vdev_children; c++) 547 refcount += get_dtl_refcount(vd->vdev_child[c]); 548 return (refcount); 549 } 550 551 int 552 get_metaslab_refcount(vdev_t *vd) 553 { 554 int refcount = 0; 555 556 if (vd->vdev_top == vd && !vd->vdev_removing) { 557 for (int m = 0; m < vd->vdev_ms_count; m++) { 558 space_map_t *sm = vd->vdev_ms[m]->ms_sm; 559 560 if (sm != NULL && 561 sm->sm_dbuf->db_size == sizeof (space_map_phys_t)) 562 refcount++; 563 } 564 } 565 for (int c = 0; c < vd->vdev_children; c++) 566 refcount += get_metaslab_refcount(vd->vdev_child[c]); 567 568 return (refcount); 569 } 570 571 static int 572 verify_spacemap_refcounts(spa_t *spa) 573 { 574 uint64_t expected_refcount = 0; 575 uint64_t actual_refcount; 576 577 (void) feature_get_refcount(spa, 578 &spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM], 579 &expected_refcount); 580 actual_refcount = get_dtl_refcount(spa->spa_root_vdev); 581 actual_refcount += get_metaslab_refcount(spa->spa_root_vdev); 582 583 if (expected_refcount != actual_refcount) { 584 (void) printf("space map refcount mismatch: expected %lld != " 585 "actual %lld\n", 586 (longlong_t)expected_refcount, 587 (longlong_t)actual_refcount); 588 return (2); 589 } 590 return (0); 591 } 592 593 static void 594 dump_spacemap(objset_t *os, space_map_t *sm) 595 { 596 uint64_t alloc, offset, entry; 597 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 598 "INVALID", "INVALID", "INVALID", "INVALID" }; 599 600 if (sm == NULL) 601 return; 602 603 /* 604 * Print out the freelist entries in both encoded and decoded form. 605 */ 606 alloc = 0; 607 for (offset = 0; offset < space_map_length(sm); 608 offset += sizeof (entry)) { 609 uint8_t mapshift = sm->sm_shift; 610 611 VERIFY0(dmu_read(os, space_map_object(sm), offset, 612 sizeof (entry), &entry, DMU_READ_PREFETCH)); 613 if (SM_DEBUG_DECODE(entry)) { 614 615 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 616 (u_longlong_t)(offset / sizeof (entry)), 617 ddata[SM_DEBUG_ACTION_DECODE(entry)], 618 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 619 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 620 } else { 621 (void) printf("\t [%6llu] %c range:" 622 " %010llx-%010llx size: %06llx\n", 623 (u_longlong_t)(offset / sizeof (entry)), 624 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 625 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 626 mapshift) + sm->sm_start), 627 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 628 mapshift) + sm->sm_start + 629 (SM_RUN_DECODE(entry) << mapshift)), 630 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 631 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 632 alloc += SM_RUN_DECODE(entry) << mapshift; 633 else 634 alloc -= SM_RUN_DECODE(entry) << mapshift; 635 } 636 } 637 if (alloc != space_map_allocated(sm)) { 638 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 639 "with space map summary (%llu)\n", 640 (u_longlong_t)space_map_allocated(sm), (u_longlong_t)alloc); 641 } 642 } 643 644 static void 645 dump_metaslab_stats(metaslab_t *msp) 646 { 647 char maxbuf[32]; 648 range_tree_t *rt = msp->ms_tree; 649 avl_tree_t *t = &msp->ms_size_tree; 650 int free_pct = range_tree_space(rt) * 100 / msp->ms_size; 651 652 zdb_nicenum(metaslab_block_maxsize(msp), maxbuf); 653 654 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 655 "segments", avl_numnodes(t), "maxsize", maxbuf, 656 "freepct", free_pct); 657 (void) printf("\tIn-memory histogram:\n"); 658 dump_histogram(rt->rt_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 659 } 660 661 static void 662 dump_metaslab(metaslab_t *msp) 663 { 664 vdev_t *vd = msp->ms_group->mg_vd; 665 spa_t *spa = vd->vdev_spa; 666 space_map_t *sm = msp->ms_sm; 667 char freebuf[32]; 668 669 zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf); 670 671 (void) printf( 672 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 673 (u_longlong_t)msp->ms_id, (u_longlong_t)msp->ms_start, 674 (u_longlong_t)space_map_object(sm), freebuf); 675 676 if (dump_opt['m'] > 2 && !dump_opt['L']) { 677 mutex_enter(&msp->ms_lock); 678 metaslab_load_wait(msp); 679 if (!msp->ms_loaded) { 680 VERIFY0(metaslab_load(msp)); 681 range_tree_stat_verify(msp->ms_tree); 682 } 683 dump_metaslab_stats(msp); 684 metaslab_unload(msp); 685 mutex_exit(&msp->ms_lock); 686 } 687 688 if (dump_opt['m'] > 1 && sm != NULL && 689 spa_feature_is_active(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) { 690 /* 691 * The space map histogram represents free space in chunks 692 * of sm_shift (i.e. bucket 0 refers to 2^sm_shift). 693 */ 694 (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n", 695 (u_longlong_t)msp->ms_fragmentation); 696 dump_histogram(sm->sm_phys->smp_histogram, 697 SPACE_MAP_HISTOGRAM_SIZE, sm->sm_shift); 698 } 699 700 if (dump_opt['d'] > 5 || dump_opt['m'] > 3) { 701 ASSERT(msp->ms_size == (1ULL << vd->vdev_ms_shift)); 702 703 mutex_enter(&msp->ms_lock); 704 dump_spacemap(spa->spa_meta_objset, msp->ms_sm); 705 mutex_exit(&msp->ms_lock); 706 } 707 } 708 709 static void 710 print_vdev_metaslab_header(vdev_t *vd) 711 { 712 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 713 (u_longlong_t)vd->vdev_id, 714 "metaslabs", (u_longlong_t)vd->vdev_ms_count, 715 "offset", "spacemap", "free"); 716 (void) printf("\t%15s %19s %15s %10s\n", 717 "---------------", "-------------------", 718 "---------------", "-------------"); 719 } 720 721 static void 722 dump_metaslab_groups(spa_t *spa) 723 { 724 vdev_t *rvd = spa->spa_root_vdev; 725 metaslab_class_t *mc = spa_normal_class(spa); 726 uint64_t fragmentation; 727 728 metaslab_class_histogram_verify(mc); 729 730 for (int c = 0; c < rvd->vdev_children; c++) { 731 vdev_t *tvd = rvd->vdev_child[c]; 732 metaslab_group_t *mg = tvd->vdev_mg; 733 734 if (mg->mg_class != mc) 735 continue; 736 737 metaslab_group_histogram_verify(mg); 738 mg->mg_fragmentation = metaslab_group_fragmentation(mg); 739 740 (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t" 741 "fragmentation", 742 (u_longlong_t)tvd->vdev_id, 743 (u_longlong_t)tvd->vdev_ms_count); 744 if (mg->mg_fragmentation == ZFS_FRAG_INVALID) { 745 (void) printf("%3s\n", "-"); 746 } else { 747 (void) printf("%3llu%%\n", 748 (u_longlong_t)mg->mg_fragmentation); 749 } 750 dump_histogram(mg->mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 751 } 752 753 (void) printf("\tpool %s\tfragmentation", spa_name(spa)); 754 fragmentation = metaslab_class_fragmentation(mc); 755 if (fragmentation == ZFS_FRAG_INVALID) 756 (void) printf("\t%3s\n", "-"); 757 else 758 (void) printf("\t%3llu%%\n", (u_longlong_t)fragmentation); 759 dump_histogram(mc->mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); 760 } 761 762 static void 763 dump_metaslabs(spa_t *spa) 764 { 765 vdev_t *vd, *rvd = spa->spa_root_vdev; 766 uint64_t m, c = 0, children = rvd->vdev_children; 767 768 (void) printf("\nMetaslabs:\n"); 769 770 if (!dump_opt['d'] && zopt_objects > 0) { 771 c = zopt_object[0]; 772 773 if (c >= children) 774 (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 775 776 if (zopt_objects > 1) { 777 vd = rvd->vdev_child[c]; 778 print_vdev_metaslab_header(vd); 779 780 for (m = 1; m < zopt_objects; m++) { 781 if (zopt_object[m] < vd->vdev_ms_count) 782 dump_metaslab( 783 vd->vdev_ms[zopt_object[m]]); 784 else 785 (void) fprintf(stderr, "bad metaslab " 786 "number %llu\n", 787 (u_longlong_t)zopt_object[m]); 788 } 789 (void) printf("\n"); 790 return; 791 } 792 children = c + 1; 793 } 794 for (; c < children; c++) { 795 vd = rvd->vdev_child[c]; 796 print_vdev_metaslab_header(vd); 797 798 for (m = 0; m < vd->vdev_ms_count; m++) 799 dump_metaslab(vd->vdev_ms[m]); 800 (void) printf("\n"); 801 } 802 } 803 804 static void 805 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 806 { 807 const ddt_phys_t *ddp = dde->dde_phys; 808 const ddt_key_t *ddk = &dde->dde_key; 809 char *types[4] = { "ditto", "single", "double", "triple" }; 810 char blkbuf[BP_SPRINTF_LEN]; 811 blkptr_t blk; 812 813 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 814 if (ddp->ddp_phys_birth == 0) 815 continue; 816 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 817 snprintf_blkptr(blkbuf, sizeof (blkbuf), &blk); 818 (void) printf("index %llx refcnt %llu %s %s\n", 819 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 820 types[p], blkbuf); 821 } 822 } 823 824 static void 825 dump_dedup_ratio(const ddt_stat_t *dds) 826 { 827 double rL, rP, rD, D, dedup, compress, copies; 828 829 if (dds->dds_blocks == 0) 830 return; 831 832 rL = (double)dds->dds_ref_lsize; 833 rP = (double)dds->dds_ref_psize; 834 rD = (double)dds->dds_ref_dsize; 835 D = (double)dds->dds_dsize; 836 837 dedup = rD / D; 838 compress = rL / rP; 839 copies = rD / rP; 840 841 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 842 "dedup * compress / copies = %.2f\n\n", 843 dedup, compress, copies, dedup * compress / copies); 844 } 845 846 static void 847 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 848 { 849 char name[DDT_NAMELEN]; 850 ddt_entry_t dde; 851 uint64_t walk = 0; 852 dmu_object_info_t doi; 853 uint64_t count, dspace, mspace; 854 int error; 855 856 error = ddt_object_info(ddt, type, class, &doi); 857 858 if (error == ENOENT) 859 return; 860 ASSERT(error == 0); 861 862 if ((count = ddt_object_count(ddt, type, class)) == 0) 863 return; 864 865 dspace = doi.doi_physical_blocks_512 << 9; 866 mspace = doi.doi_fill_count * doi.doi_data_block_size; 867 868 ddt_object_name(ddt, type, class, name); 869 870 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 871 name, 872 (u_longlong_t)count, 873 (u_longlong_t)(dspace / count), 874 (u_longlong_t)(mspace / count)); 875 876 if (dump_opt['D'] < 3) 877 return; 878 879 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 880 881 if (dump_opt['D'] < 4) 882 return; 883 884 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 885 return; 886 887 (void) printf("%s contents:\n\n", name); 888 889 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 890 dump_dde(ddt, &dde, walk); 891 892 ASSERT(error == ENOENT); 893 894 (void) printf("\n"); 895 } 896 897 static void 898 dump_all_ddts(spa_t *spa) 899 { 900 ddt_histogram_t ddh_total = { 0 }; 901 ddt_stat_t dds_total = { 0 }; 902 903 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 904 ddt_t *ddt = spa->spa_ddt[c]; 905 for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 906 for (enum ddt_class class = 0; class < DDT_CLASSES; 907 class++) { 908 dump_ddt(ddt, type, class); 909 } 910 } 911 } 912 913 ddt_get_dedup_stats(spa, &dds_total); 914 915 if (dds_total.dds_blocks == 0) { 916 (void) printf("All DDTs are empty\n"); 917 return; 918 } 919 920 (void) printf("\n"); 921 922 if (dump_opt['D'] > 1) { 923 (void) printf("DDT histogram (aggregated over all DDTs):\n"); 924 ddt_get_dedup_histogram(spa, &ddh_total); 925 zpool_dump_ddt(&dds_total, &ddh_total); 926 } 927 928 dump_dedup_ratio(&dds_total); 929 } 930 931 static void 932 dump_dtl_seg(void *arg, uint64_t start, uint64_t size) 933 { 934 char *prefix = arg; 935 936 (void) printf("%s [%llu,%llu) length %llu\n", 937 prefix, 938 (u_longlong_t)start, 939 (u_longlong_t)(start + size), 940 (u_longlong_t)(size)); 941 } 942 943 static void 944 dump_dtl(vdev_t *vd, int indent) 945 { 946 spa_t *spa = vd->vdev_spa; 947 boolean_t required; 948 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 949 char prefix[256]; 950 951 spa_vdev_state_enter(spa, SCL_NONE); 952 required = vdev_dtl_required(vd); 953 (void) spa_vdev_state_exit(spa, NULL, 0); 954 955 if (indent == 0) 956 (void) printf("\nDirty time logs:\n\n"); 957 958 (void) printf("\t%*s%s [%s]\n", indent, "", 959 vd->vdev_path ? vd->vdev_path : 960 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 961 required ? "DTL-required" : "DTL-expendable"); 962 963 for (int t = 0; t < DTL_TYPES; t++) { 964 range_tree_t *rt = vd->vdev_dtl[t]; 965 if (range_tree_space(rt) == 0) 966 continue; 967 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 968 indent + 2, "", name[t]); 969 mutex_enter(rt->rt_lock); 970 range_tree_walk(rt, dump_dtl_seg, prefix); 971 mutex_exit(rt->rt_lock); 972 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 973 dump_spacemap(spa->spa_meta_objset, vd->vdev_dtl_sm); 974 } 975 976 for (int c = 0; c < vd->vdev_children; c++) 977 dump_dtl(vd->vdev_child[c], indent + 4); 978 } 979 980 static void 981 dump_history(spa_t *spa) 982 { 983 nvlist_t **events = NULL; 984 char buf[SPA_MAXBLOCKSIZE]; 985 uint64_t resid, len, off = 0; 986 uint_t num = 0; 987 int error; 988 time_t tsec; 989 struct tm t; 990 char tbuf[30]; 991 char internalstr[MAXPATHLEN]; 992 993 do { 994 len = sizeof (buf); 995 996 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 997 (void) fprintf(stderr, "Unable to read history: " 998 "error %d\n", error); 999 return; 1000 } 1001 1002 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 1003 break; 1004 1005 off -= resid; 1006 } while (len != 0); 1007 1008 (void) printf("\nHistory:\n"); 1009 for (int i = 0; i < num; i++) { 1010 uint64_t time, txg, ievent; 1011 char *cmd, *intstr; 1012 boolean_t printed = B_FALSE; 1013 1014 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 1015 &time) != 0) 1016 goto next; 1017 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 1018 &cmd) != 0) { 1019 if (nvlist_lookup_uint64(events[i], 1020 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 1021 goto next; 1022 verify(nvlist_lookup_uint64(events[i], 1023 ZPOOL_HIST_TXG, &txg) == 0); 1024 verify(nvlist_lookup_string(events[i], 1025 ZPOOL_HIST_INT_STR, &intstr) == 0); 1026 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) 1027 goto next; 1028 1029 (void) snprintf(internalstr, 1030 sizeof (internalstr), 1031 "[internal %s txg:%lld] %s", 1032 zfs_history_event_names[ievent], txg, 1033 intstr); 1034 cmd = internalstr; 1035 } 1036 tsec = time; 1037 (void) localtime_r(&tsec, &t); 1038 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 1039 (void) printf("%s %s\n", tbuf, cmd); 1040 printed = B_TRUE; 1041 1042 next: 1043 if (dump_opt['h'] > 1) { 1044 if (!printed) 1045 (void) printf("unrecognized record:\n"); 1046 dump_nvlist(events[i], 2); 1047 } 1048 } 1049 } 1050 1051 /*ARGSUSED*/ 1052 static void 1053 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 1054 { 1055 } 1056 1057 static uint64_t 1058 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, 1059 const zbookmark_phys_t *zb) 1060 { 1061 if (dnp == NULL) { 1062 ASSERT(zb->zb_level < 0); 1063 if (zb->zb_object == 0) 1064 return (zb->zb_blkid); 1065 return (zb->zb_blkid * BP_GET_LSIZE(bp)); 1066 } 1067 1068 ASSERT(zb->zb_level >= 0); 1069 1070 return ((zb->zb_blkid << 1071 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 1072 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 1073 } 1074 1075 static void 1076 snprintf_blkptr_compact(char *blkbuf, size_t buflen, const blkptr_t *bp) 1077 { 1078 const dva_t *dva = bp->blk_dva; 1079 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 1080 1081 if (dump_opt['b'] >= 6) { 1082 snprintf_blkptr(blkbuf, buflen, bp); 1083 return; 1084 } 1085 1086 if (BP_IS_EMBEDDED(bp)) { 1087 (void) sprintf(blkbuf, 1088 "EMBEDDED et=%u %llxL/%llxP B=%llu", 1089 (int)BPE_GET_ETYPE(bp), 1090 (u_longlong_t)BPE_GET_LSIZE(bp), 1091 (u_longlong_t)BPE_GET_PSIZE(bp), 1092 (u_longlong_t)bp->blk_birth); 1093 return; 1094 } 1095 1096 blkbuf[0] = '\0'; 1097 for (int i = 0; i < ndvas; i++) 1098 (void) snprintf(blkbuf + strlen(blkbuf), 1099 buflen - strlen(blkbuf), "%llu:%llx:%llx ", 1100 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 1101 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 1102 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 1103 1104 if (BP_IS_HOLE(bp)) { 1105 (void) snprintf(blkbuf + strlen(blkbuf), 1106 buflen - strlen(blkbuf), "B=%llu", 1107 (u_longlong_t)bp->blk_birth); 1108 } else { 1109 (void) snprintf(blkbuf + strlen(blkbuf), 1110 buflen - strlen(blkbuf), 1111 "%llxL/%llxP F=%llu B=%llu/%llu", 1112 (u_longlong_t)BP_GET_LSIZE(bp), 1113 (u_longlong_t)BP_GET_PSIZE(bp), 1114 (u_longlong_t)BP_GET_FILL(bp), 1115 (u_longlong_t)bp->blk_birth, 1116 (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 1117 } 1118 } 1119 1120 static void 1121 print_indirect(blkptr_t *bp, const zbookmark_phys_t *zb, 1122 const dnode_phys_t *dnp) 1123 { 1124 char blkbuf[BP_SPRINTF_LEN]; 1125 int l; 1126 1127 if (!BP_IS_EMBEDDED(bp)) { 1128 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 1129 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 1130 } 1131 1132 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 1133 1134 ASSERT(zb->zb_level >= 0); 1135 1136 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 1137 if (l == zb->zb_level) { 1138 (void) printf("L%llx", (u_longlong_t)zb->zb_level); 1139 } else { 1140 (void) printf(" "); 1141 } 1142 } 1143 1144 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp); 1145 (void) printf("%s\n", blkbuf); 1146 } 1147 1148 static int 1149 visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 1150 blkptr_t *bp, const zbookmark_phys_t *zb) 1151 { 1152 int err = 0; 1153 1154 if (bp->blk_birth == 0) 1155 return (0); 1156 1157 print_indirect(bp, zb, dnp); 1158 1159 if (BP_GET_LEVEL(bp) > 0 && !BP_IS_HOLE(bp)) { 1160 uint32_t flags = ARC_WAIT; 1161 int i; 1162 blkptr_t *cbp; 1163 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 1164 arc_buf_t *buf; 1165 uint64_t fill = 0; 1166 1167 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf, 1168 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 1169 if (err) 1170 return (err); 1171 ASSERT(buf->b_data); 1172 1173 /* recursively visit blocks below this */ 1174 cbp = buf->b_data; 1175 for (i = 0; i < epb; i++, cbp++) { 1176 zbookmark_phys_t czb; 1177 1178 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 1179 zb->zb_level - 1, 1180 zb->zb_blkid * epb + i); 1181 err = visit_indirect(spa, dnp, cbp, &czb); 1182 if (err) 1183 break; 1184 fill += BP_GET_FILL(cbp); 1185 } 1186 if (!err) 1187 ASSERT3U(fill, ==, BP_GET_FILL(bp)); 1188 (void) arc_buf_remove_ref(buf, &buf); 1189 } 1190 1191 return (err); 1192 } 1193 1194 /*ARGSUSED*/ 1195 static void 1196 dump_indirect(dnode_t *dn) 1197 { 1198 dnode_phys_t *dnp = dn->dn_phys; 1199 int j; 1200 zbookmark_phys_t czb; 1201 1202 (void) printf("Indirect blocks:\n"); 1203 1204 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 1205 dn->dn_object, dnp->dn_nlevels - 1, 0); 1206 for (j = 0; j < dnp->dn_nblkptr; j++) { 1207 czb.zb_blkid = j; 1208 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 1209 &dnp->dn_blkptr[j], &czb); 1210 } 1211 1212 (void) printf("\n"); 1213 } 1214 1215 /*ARGSUSED*/ 1216 static void 1217 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 1218 { 1219 dsl_dir_phys_t *dd = data; 1220 time_t crtime; 1221 char nice[32]; 1222 1223 if (dd == NULL) 1224 return; 1225 1226 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 1227 1228 crtime = dd->dd_creation_time; 1229 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1230 (void) printf("\t\thead_dataset_obj = %llu\n", 1231 (u_longlong_t)dd->dd_head_dataset_obj); 1232 (void) printf("\t\tparent_dir_obj = %llu\n", 1233 (u_longlong_t)dd->dd_parent_obj); 1234 (void) printf("\t\torigin_obj = %llu\n", 1235 (u_longlong_t)dd->dd_origin_obj); 1236 (void) printf("\t\tchild_dir_zapobj = %llu\n", 1237 (u_longlong_t)dd->dd_child_dir_zapobj); 1238 zdb_nicenum(dd->dd_used_bytes, nice); 1239 (void) printf("\t\tused_bytes = %s\n", nice); 1240 zdb_nicenum(dd->dd_compressed_bytes, nice); 1241 (void) printf("\t\tcompressed_bytes = %s\n", nice); 1242 zdb_nicenum(dd->dd_uncompressed_bytes, nice); 1243 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 1244 zdb_nicenum(dd->dd_quota, nice); 1245 (void) printf("\t\tquota = %s\n", nice); 1246 zdb_nicenum(dd->dd_reserved, nice); 1247 (void) printf("\t\treserved = %s\n", nice); 1248 (void) printf("\t\tprops_zapobj = %llu\n", 1249 (u_longlong_t)dd->dd_props_zapobj); 1250 (void) printf("\t\tdeleg_zapobj = %llu\n", 1251 (u_longlong_t)dd->dd_deleg_zapobj); 1252 (void) printf("\t\tflags = %llx\n", 1253 (u_longlong_t)dd->dd_flags); 1254 1255 #define DO(which) \ 1256 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 1257 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 1258 DO(HEAD); 1259 DO(SNAP); 1260 DO(CHILD); 1261 DO(CHILD_RSRV); 1262 DO(REFRSRV); 1263 #undef DO 1264 } 1265 1266 /*ARGSUSED*/ 1267 static void 1268 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 1269 { 1270 dsl_dataset_phys_t *ds = data; 1271 time_t crtime; 1272 char used[32], compressed[32], uncompressed[32], unique[32]; 1273 char blkbuf[BP_SPRINTF_LEN]; 1274 1275 if (ds == NULL) 1276 return; 1277 1278 ASSERT(size == sizeof (*ds)); 1279 crtime = ds->ds_creation_time; 1280 zdb_nicenum(ds->ds_referenced_bytes, used); 1281 zdb_nicenum(ds->ds_compressed_bytes, compressed); 1282 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed); 1283 zdb_nicenum(ds->ds_unique_bytes, unique); 1284 snprintf_blkptr(blkbuf, sizeof (blkbuf), &ds->ds_bp); 1285 1286 (void) printf("\t\tdir_obj = %llu\n", 1287 (u_longlong_t)ds->ds_dir_obj); 1288 (void) printf("\t\tprev_snap_obj = %llu\n", 1289 (u_longlong_t)ds->ds_prev_snap_obj); 1290 (void) printf("\t\tprev_snap_txg = %llu\n", 1291 (u_longlong_t)ds->ds_prev_snap_txg); 1292 (void) printf("\t\tnext_snap_obj = %llu\n", 1293 (u_longlong_t)ds->ds_next_snap_obj); 1294 (void) printf("\t\tsnapnames_zapobj = %llu\n", 1295 (u_longlong_t)ds->ds_snapnames_zapobj); 1296 (void) printf("\t\tnum_children = %llu\n", 1297 (u_longlong_t)ds->ds_num_children); 1298 (void) printf("\t\tuserrefs_obj = %llu\n", 1299 (u_longlong_t)ds->ds_userrefs_obj); 1300 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1301 (void) printf("\t\tcreation_txg = %llu\n", 1302 (u_longlong_t)ds->ds_creation_txg); 1303 (void) printf("\t\tdeadlist_obj = %llu\n", 1304 (u_longlong_t)ds->ds_deadlist_obj); 1305 (void) printf("\t\tused_bytes = %s\n", used); 1306 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1307 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1308 (void) printf("\t\tunique = %s\n", unique); 1309 (void) printf("\t\tfsid_guid = %llu\n", 1310 (u_longlong_t)ds->ds_fsid_guid); 1311 (void) printf("\t\tguid = %llu\n", 1312 (u_longlong_t)ds->ds_guid); 1313 (void) printf("\t\tflags = %llx\n", 1314 (u_longlong_t)ds->ds_flags); 1315 (void) printf("\t\tnext_clones_obj = %llu\n", 1316 (u_longlong_t)ds->ds_next_clones_obj); 1317 (void) printf("\t\tprops_obj = %llu\n", 1318 (u_longlong_t)ds->ds_props_obj); 1319 (void) printf("\t\tbp = %s\n", blkbuf); 1320 } 1321 1322 /* ARGSUSED */ 1323 static int 1324 dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1325 { 1326 char blkbuf[BP_SPRINTF_LEN]; 1327 1328 if (bp->blk_birth != 0) { 1329 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 1330 (void) printf("\t%s\n", blkbuf); 1331 } 1332 return (0); 1333 } 1334 1335 static void 1336 dump_bptree(objset_t *os, uint64_t obj, char *name) 1337 { 1338 char bytes[32]; 1339 bptree_phys_t *bt; 1340 dmu_buf_t *db; 1341 1342 if (dump_opt['d'] < 3) 1343 return; 1344 1345 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db)); 1346 bt = db->db_data; 1347 zdb_nicenum(bt->bt_bytes, bytes); 1348 (void) printf("\n %s: %llu datasets, %s\n", 1349 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes); 1350 dmu_buf_rele(db, FTAG); 1351 1352 if (dump_opt['d'] < 5) 1353 return; 1354 1355 (void) printf("\n"); 1356 1357 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL); 1358 } 1359 1360 /* ARGSUSED */ 1361 static int 1362 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1363 { 1364 char blkbuf[BP_SPRINTF_LEN]; 1365 1366 ASSERT(bp->blk_birth != 0); 1367 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp); 1368 (void) printf("\t%s\n", blkbuf); 1369 return (0); 1370 } 1371 1372 static void 1373 dump_bpobj(bpobj_t *bpo, char *name, int indent) 1374 { 1375 char bytes[32]; 1376 char comp[32]; 1377 char uncomp[32]; 1378 1379 if (dump_opt['d'] < 3) 1380 return; 1381 1382 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes); 1383 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) { 1384 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp); 1385 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp); 1386 (void) printf(" %*s: object %llu, %llu local blkptrs, " 1387 "%llu subobjs, %s (%s/%s comp)\n", 1388 indent * 8, name, 1389 (u_longlong_t)bpo->bpo_object, 1390 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1391 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs, 1392 bytes, comp, uncomp); 1393 1394 for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) { 1395 uint64_t subobj; 1396 bpobj_t subbpo; 1397 int error; 1398 VERIFY0(dmu_read(bpo->bpo_os, 1399 bpo->bpo_phys->bpo_subobjs, 1400 i * sizeof (subobj), sizeof (subobj), &subobj, 0)); 1401 error = bpobj_open(&subbpo, bpo->bpo_os, subobj); 1402 if (error != 0) { 1403 (void) printf("ERROR %u while trying to open " 1404 "subobj id %llu\n", 1405 error, (u_longlong_t)subobj); 1406 continue; 1407 } 1408 dump_bpobj(&subbpo, "subobj", indent + 1); 1409 bpobj_close(&subbpo); 1410 } 1411 } else { 1412 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n", 1413 indent * 8, name, 1414 (u_longlong_t)bpo->bpo_object, 1415 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1416 bytes); 1417 } 1418 1419 if (dump_opt['d'] < 5) 1420 return; 1421 1422 1423 if (indent == 0) { 1424 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL); 1425 (void) printf("\n"); 1426 } 1427 } 1428 1429 static void 1430 dump_deadlist(dsl_deadlist_t *dl) 1431 { 1432 dsl_deadlist_entry_t *dle; 1433 uint64_t unused; 1434 char bytes[32]; 1435 char comp[32]; 1436 char uncomp[32]; 1437 1438 if (dump_opt['d'] < 3) 1439 return; 1440 1441 if (dl->dl_oldfmt) { 1442 dump_bpobj(&dl->dl_bpobj, "old-format deadlist", 0); 1443 return; 1444 } 1445 1446 zdb_nicenum(dl->dl_phys->dl_used, bytes); 1447 zdb_nicenum(dl->dl_phys->dl_comp, comp); 1448 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp); 1449 (void) printf("\n Deadlist: %s (%s/%s comp)\n", 1450 bytes, comp, uncomp); 1451 1452 if (dump_opt['d'] < 4) 1453 return; 1454 1455 (void) printf("\n"); 1456 1457 /* force the tree to be loaded */ 1458 dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused); 1459 1460 for (dle = avl_first(&dl->dl_tree); dle; 1461 dle = AVL_NEXT(&dl->dl_tree, dle)) { 1462 if (dump_opt['d'] >= 5) { 1463 char buf[128]; 1464 (void) snprintf(buf, sizeof (buf), "mintxg %llu -> ", 1465 (longlong_t)dle->dle_mintxg, 1466 (longlong_t)dle->dle_bpobj.bpo_object); 1467 1468 dump_bpobj(&dle->dle_bpobj, buf, 0); 1469 } else { 1470 (void) printf("mintxg %llu -> obj %llu\n", 1471 (longlong_t)dle->dle_mintxg, 1472 (longlong_t)dle->dle_bpobj.bpo_object); 1473 1474 } 1475 } 1476 } 1477 1478 static avl_tree_t idx_tree; 1479 static avl_tree_t domain_tree; 1480 static boolean_t fuid_table_loaded; 1481 static boolean_t sa_loaded; 1482 sa_attr_type_t *sa_attr_table; 1483 1484 static void 1485 fuid_table_destroy() 1486 { 1487 if (fuid_table_loaded) { 1488 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1489 fuid_table_loaded = B_FALSE; 1490 } 1491 } 1492 1493 /* 1494 * print uid or gid information. 1495 * For normal POSIX id just the id is printed in decimal format. 1496 * For CIFS files with FUID the fuid is printed in hex followed by 1497 * the domain-rid string. 1498 */ 1499 static void 1500 print_idstr(uint64_t id, const char *id_type) 1501 { 1502 if (FUID_INDEX(id)) { 1503 char *domain; 1504 1505 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1506 (void) printf("\t%s %llx [%s-%d]\n", id_type, 1507 (u_longlong_t)id, domain, (int)FUID_RID(id)); 1508 } else { 1509 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1510 } 1511 1512 } 1513 1514 static void 1515 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid) 1516 { 1517 uint32_t uid_idx, gid_idx; 1518 1519 uid_idx = FUID_INDEX(uid); 1520 gid_idx = FUID_INDEX(gid); 1521 1522 /* Load domain table, if not already loaded */ 1523 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1524 uint64_t fuid_obj; 1525 1526 /* first find the fuid object. It lives in the master node */ 1527 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1528 8, 1, &fuid_obj) == 0); 1529 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1530 (void) zfs_fuid_table_load(os, fuid_obj, 1531 &idx_tree, &domain_tree); 1532 fuid_table_loaded = B_TRUE; 1533 } 1534 1535 print_idstr(uid, "uid"); 1536 print_idstr(gid, "gid"); 1537 } 1538 1539 /*ARGSUSED*/ 1540 static void 1541 dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1542 { 1543 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 1544 sa_handle_t *hdl; 1545 uint64_t xattr, rdev, gen; 1546 uint64_t uid, gid, mode, fsize, parent, links; 1547 uint64_t pflags; 1548 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2]; 1549 time_t z_crtime, z_atime, z_mtime, z_ctime; 1550 sa_bulk_attr_t bulk[12]; 1551 int idx = 0; 1552 int error; 1553 1554 if (!sa_loaded) { 1555 uint64_t sa_attrs = 0; 1556 uint64_t version; 1557 1558 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR, 1559 8, 1, &version) == 0); 1560 if (version >= ZPL_VERSION_SA) { 1561 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 1562 8, 1, &sa_attrs) == 0); 1563 } 1564 if ((error = sa_setup(os, sa_attrs, zfs_attr_table, 1565 ZPL_END, &sa_attr_table)) != 0) { 1566 (void) printf("sa_setup failed errno %d, can't " 1567 "display znode contents\n", error); 1568 return; 1569 } 1570 sa_loaded = B_TRUE; 1571 } 1572 1573 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) { 1574 (void) printf("Failed to get handle for SA znode\n"); 1575 return; 1576 } 1577 1578 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8); 1579 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8); 1580 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL, 1581 &links, 8); 1582 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8); 1583 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL, 1584 &mode, 8); 1585 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT], 1586 NULL, &parent, 8); 1587 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL, 1588 &fsize, 8); 1589 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL, 1590 acctm, 16); 1591 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL, 1592 modtm, 16); 1593 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL, 1594 crtm, 16); 1595 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL, 1596 chgtm, 16); 1597 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL, 1598 &pflags, 8); 1599 1600 if (sa_bulk_lookup(hdl, bulk, idx)) { 1601 (void) sa_handle_destroy(hdl); 1602 return; 1603 } 1604 1605 error = zfs_obj_to_path(os, object, path, sizeof (path)); 1606 if (error != 0) { 1607 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 1608 (u_longlong_t)object); 1609 } 1610 if (dump_opt['d'] < 3) { 1611 (void) printf("\t%s\n", path); 1612 (void) sa_handle_destroy(hdl); 1613 return; 1614 } 1615 1616 z_crtime = (time_t)crtm[0]; 1617 z_atime = (time_t)acctm[0]; 1618 z_mtime = (time_t)modtm[0]; 1619 z_ctime = (time_t)chgtm[0]; 1620 1621 (void) printf("\tpath %s\n", path); 1622 dump_uidgid(os, uid, gid); 1623 (void) printf("\tatime %s", ctime(&z_atime)); 1624 (void) printf("\tmtime %s", ctime(&z_mtime)); 1625 (void) printf("\tctime %s", ctime(&z_ctime)); 1626 (void) printf("\tcrtime %s", ctime(&z_crtime)); 1627 (void) printf("\tgen %llu\n", (u_longlong_t)gen); 1628 (void) printf("\tmode %llo\n", (u_longlong_t)mode); 1629 (void) printf("\tsize %llu\n", (u_longlong_t)fsize); 1630 (void) printf("\tparent %llu\n", (u_longlong_t)parent); 1631 (void) printf("\tlinks %llu\n", (u_longlong_t)links); 1632 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags); 1633 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr, 1634 sizeof (uint64_t)) == 0) 1635 (void) printf("\txattr %llu\n", (u_longlong_t)xattr); 1636 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev, 1637 sizeof (uint64_t)) == 0) 1638 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev); 1639 sa_handle_destroy(hdl); 1640 } 1641 1642 /*ARGSUSED*/ 1643 static void 1644 dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1645 { 1646 } 1647 1648 /*ARGSUSED*/ 1649 static void 1650 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1651 { 1652 } 1653 1654 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1655 dump_none, /* unallocated */ 1656 dump_zap, /* object directory */ 1657 dump_uint64, /* object array */ 1658 dump_none, /* packed nvlist */ 1659 dump_packed_nvlist, /* packed nvlist size */ 1660 dump_none, /* bplist */ 1661 dump_none, /* bplist header */ 1662 dump_none, /* SPA space map header */ 1663 dump_none, /* SPA space map */ 1664 dump_none, /* ZIL intent log */ 1665 dump_dnode, /* DMU dnode */ 1666 dump_dmu_objset, /* DMU objset */ 1667 dump_dsl_dir, /* DSL directory */ 1668 dump_zap, /* DSL directory child map */ 1669 dump_zap, /* DSL dataset snap map */ 1670 dump_zap, /* DSL props */ 1671 dump_dsl_dataset, /* DSL dataset */ 1672 dump_znode, /* ZFS znode */ 1673 dump_acl, /* ZFS V0 ACL */ 1674 dump_uint8, /* ZFS plain file */ 1675 dump_zpldir, /* ZFS directory */ 1676 dump_zap, /* ZFS master node */ 1677 dump_zap, /* ZFS delete queue */ 1678 dump_uint8, /* zvol object */ 1679 dump_zap, /* zvol prop */ 1680 dump_uint8, /* other uint8[] */ 1681 dump_uint64, /* other uint64[] */ 1682 dump_zap, /* other ZAP */ 1683 dump_zap, /* persistent error log */ 1684 dump_uint8, /* SPA history */ 1685 dump_history_offsets, /* SPA history offsets */ 1686 dump_zap, /* Pool properties */ 1687 dump_zap, /* DSL permissions */ 1688 dump_acl, /* ZFS ACL */ 1689 dump_uint8, /* ZFS SYSACL */ 1690 dump_none, /* FUID nvlist */ 1691 dump_packed_nvlist, /* FUID nvlist size */ 1692 dump_zap, /* DSL dataset next clones */ 1693 dump_zap, /* DSL scrub queue */ 1694 dump_zap, /* ZFS user/group used */ 1695 dump_zap, /* ZFS user/group quota */ 1696 dump_zap, /* snapshot refcount tags */ 1697 dump_ddt_zap, /* DDT ZAP object */ 1698 dump_zap, /* DDT statistics */ 1699 dump_znode, /* SA object */ 1700 dump_zap, /* SA Master Node */ 1701 dump_sa_attrs, /* SA attribute registration */ 1702 dump_sa_layouts, /* SA attribute layouts */ 1703 dump_zap, /* DSL scrub translations */ 1704 dump_none, /* fake dedup BP */ 1705 dump_zap, /* deadlist */ 1706 dump_none, /* deadlist hdr */ 1707 dump_zap, /* dsl clones */ 1708 dump_none, /* bpobj subobjs */ 1709 dump_unknown, /* Unknown type, must be last */ 1710 }; 1711 1712 static void 1713 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1714 { 1715 dmu_buf_t *db = NULL; 1716 dmu_object_info_t doi; 1717 dnode_t *dn; 1718 void *bonus = NULL; 1719 size_t bsize = 0; 1720 char iblk[32], dblk[32], lsize[32], asize[32], fill[32]; 1721 char bonus_size[32]; 1722 char aux[50]; 1723 int error; 1724 1725 if (*print_header) { 1726 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 1727 "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 1728 "%full", "type"); 1729 *print_header = 0; 1730 } 1731 1732 if (object == 0) { 1733 dn = DMU_META_DNODE(os); 1734 } else { 1735 error = dmu_bonus_hold(os, object, FTAG, &db); 1736 if (error) 1737 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1738 object, error); 1739 bonus = db->db_data; 1740 bsize = db->db_size; 1741 dn = DB_DNODE((dmu_buf_impl_t *)db); 1742 } 1743 dmu_object_info_from_dnode(dn, &doi); 1744 1745 zdb_nicenum(doi.doi_metadata_block_size, iblk); 1746 zdb_nicenum(doi.doi_data_block_size, dblk); 1747 zdb_nicenum(doi.doi_max_offset, lsize); 1748 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize); 1749 zdb_nicenum(doi.doi_bonus_size, bonus_size); 1750 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 1751 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 1752 doi.doi_max_offset); 1753 1754 aux[0] = '\0'; 1755 1756 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1757 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1758 ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1759 } 1760 1761 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1762 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1763 ZDB_COMPRESS_NAME(doi.doi_compress)); 1764 } 1765 1766 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 1767 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 1768 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 1769 1770 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1771 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 1772 "", "", "", "", "", bonus_size, "bonus", 1773 ZDB_OT_NAME(doi.doi_bonus_type)); 1774 } 1775 1776 if (verbosity >= 4) { 1777 (void) printf("\tdnode flags: %s%s%s\n", 1778 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1779 "USED_BYTES " : "", 1780 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1781 "USERUSED_ACCOUNTED " : "", 1782 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? 1783 "SPILL_BLKPTR" : ""); 1784 (void) printf("\tdnode maxblkid: %llu\n", 1785 (longlong_t)dn->dn_phys->dn_maxblkid); 1786 1787 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 1788 bonus, bsize); 1789 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1790 *print_header = 1; 1791 } 1792 1793 if (verbosity >= 5) 1794 dump_indirect(dn); 1795 1796 if (verbosity >= 5) { 1797 /* 1798 * Report the list of segments that comprise the object. 1799 */ 1800 uint64_t start = 0; 1801 uint64_t end; 1802 uint64_t blkfill = 1; 1803 int minlvl = 1; 1804 1805 if (dn->dn_type == DMU_OT_DNODE) { 1806 minlvl = 0; 1807 blkfill = DNODES_PER_BLOCK; 1808 } 1809 1810 for (;;) { 1811 char segsize[32]; 1812 error = dnode_next_offset(dn, 1813 0, &start, minlvl, blkfill, 0); 1814 if (error) 1815 break; 1816 end = start; 1817 error = dnode_next_offset(dn, 1818 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1819 zdb_nicenum(end - start, segsize); 1820 (void) printf("\t\tsegment [%016llx, %016llx)" 1821 " size %5s\n", (u_longlong_t)start, 1822 (u_longlong_t)end, segsize); 1823 if (error) 1824 break; 1825 start = end; 1826 } 1827 } 1828 1829 if (db != NULL) 1830 dmu_buf_rele(db, FTAG); 1831 } 1832 1833 static char *objset_types[DMU_OST_NUMTYPES] = { 1834 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1835 1836 static void 1837 dump_dir(objset_t *os) 1838 { 1839 dmu_objset_stats_t dds; 1840 uint64_t object, object_count; 1841 uint64_t refdbytes, usedobjs, scratch; 1842 char numbuf[32]; 1843 char blkbuf[BP_SPRINTF_LEN + 20]; 1844 char osname[MAXNAMELEN]; 1845 char *type = "UNKNOWN"; 1846 int verbosity = dump_opt['d']; 1847 int print_header = 1; 1848 int i, error; 1849 1850 dsl_pool_config_enter(dmu_objset_pool(os), FTAG); 1851 dmu_objset_fast_stat(os, &dds); 1852 dsl_pool_config_exit(dmu_objset_pool(os), FTAG); 1853 1854 if (dds.dds_type < DMU_OST_NUMTYPES) 1855 type = objset_types[dds.dds_type]; 1856 1857 if (dds.dds_type == DMU_OST_META) { 1858 dds.dds_creation_txg = TXG_INITIAL; 1859 usedobjs = BP_GET_FILL(os->os_rootbp); 1860 refdbytes = os->os_spa->spa_dsl_pool-> 1861 dp_mos_dir->dd_phys->dd_used_bytes; 1862 } else { 1863 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1864 } 1865 1866 ASSERT3U(usedobjs, ==, BP_GET_FILL(os->os_rootbp)); 1867 1868 zdb_nicenum(refdbytes, numbuf); 1869 1870 if (verbosity >= 4) { 1871 (void) snprintf(blkbuf, sizeof (blkbuf), ", rootbp "); 1872 (void) snprintf_blkptr(blkbuf + strlen(blkbuf), 1873 sizeof (blkbuf) - strlen(blkbuf), os->os_rootbp); 1874 } else { 1875 blkbuf[0] = '\0'; 1876 } 1877 1878 dmu_objset_name(os, osname); 1879 1880 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1881 "%s, %llu objects%s\n", 1882 osname, type, (u_longlong_t)dmu_objset_id(os), 1883 (u_longlong_t)dds.dds_creation_txg, 1884 numbuf, (u_longlong_t)usedobjs, blkbuf); 1885 1886 if (zopt_objects != 0) { 1887 for (i = 0; i < zopt_objects; i++) 1888 dump_object(os, zopt_object[i], verbosity, 1889 &print_header); 1890 (void) printf("\n"); 1891 return; 1892 } 1893 1894 if (dump_opt['i'] != 0 || verbosity >= 2) 1895 dump_intent_log(dmu_objset_zil(os)); 1896 1897 if (dmu_objset_ds(os) != NULL) 1898 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist); 1899 1900 if (verbosity < 2) 1901 return; 1902 1903 if (BP_IS_HOLE(os->os_rootbp)) 1904 return; 1905 1906 dump_object(os, 0, verbosity, &print_header); 1907 object_count = 0; 1908 if (DMU_USERUSED_DNODE(os) != NULL && 1909 DMU_USERUSED_DNODE(os)->dn_type != 0) { 1910 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1911 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1912 } 1913 1914 object = 0; 1915 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1916 dump_object(os, object, verbosity, &print_header); 1917 object_count++; 1918 } 1919 1920 ASSERT3U(object_count, ==, usedobjs); 1921 1922 (void) printf("\n"); 1923 1924 if (error != ESRCH) { 1925 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1926 abort(); 1927 } 1928 } 1929 1930 static void 1931 dump_uberblock(uberblock_t *ub, const char *header, const char *footer) 1932 { 1933 time_t timestamp = ub->ub_timestamp; 1934 1935 (void) printf(header ? header : ""); 1936 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1937 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1938 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1939 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1940 (void) printf("\ttimestamp = %llu UTC = %s", 1941 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1942 if (dump_opt['u'] >= 3) { 1943 char blkbuf[BP_SPRINTF_LEN]; 1944 snprintf_blkptr(blkbuf, sizeof (blkbuf), &ub->ub_rootbp); 1945 (void) printf("\trootbp = %s\n", blkbuf); 1946 } 1947 (void) printf(footer ? footer : ""); 1948 } 1949 1950 static void 1951 dump_config(spa_t *spa) 1952 { 1953 dmu_buf_t *db; 1954 size_t nvsize = 0; 1955 int error = 0; 1956 1957 1958 error = dmu_bonus_hold(spa->spa_meta_objset, 1959 spa->spa_config_object, FTAG, &db); 1960 1961 if (error == 0) { 1962 nvsize = *(uint64_t *)db->db_data; 1963 dmu_buf_rele(db, FTAG); 1964 1965 (void) printf("\nMOS Configuration:\n"); 1966 dump_packed_nvlist(spa->spa_meta_objset, 1967 spa->spa_config_object, (void *)&nvsize, 1); 1968 } else { 1969 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 1970 (u_longlong_t)spa->spa_config_object, error); 1971 } 1972 } 1973 1974 static void 1975 dump_cachefile(const char *cachefile) 1976 { 1977 int fd; 1978 struct stat64 statbuf; 1979 char *buf; 1980 nvlist_t *config; 1981 1982 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1983 (void) printf("cannot open '%s': %s\n", cachefile, 1984 strerror(errno)); 1985 exit(1); 1986 } 1987 1988 if (fstat64(fd, &statbuf) != 0) { 1989 (void) printf("failed to stat '%s': %s\n", cachefile, 1990 strerror(errno)); 1991 exit(1); 1992 } 1993 1994 if ((buf = malloc(statbuf.st_size)) == NULL) { 1995 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1996 (u_longlong_t)statbuf.st_size); 1997 exit(1); 1998 } 1999 2000 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 2001 (void) fprintf(stderr, "failed to read %llu bytes\n", 2002 (u_longlong_t)statbuf.st_size); 2003 exit(1); 2004 } 2005 2006 (void) close(fd); 2007 2008 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 2009 (void) fprintf(stderr, "failed to unpack nvlist\n"); 2010 exit(1); 2011 } 2012 2013 free(buf); 2014 2015 dump_nvlist(config, 0); 2016 2017 nvlist_free(config); 2018 } 2019 2020 #define ZDB_MAX_UB_HEADER_SIZE 32 2021 2022 static void 2023 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 2024 { 2025 vdev_t vd; 2026 vdev_t *vdp = &vd; 2027 char header[ZDB_MAX_UB_HEADER_SIZE]; 2028 2029 vd.vdev_ashift = ashift; 2030 vdp->vdev_top = vdp; 2031 2032 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 2033 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 2034 uberblock_t *ub = (void *)((char *)lbl + uoff); 2035 2036 if (uberblock_verify(ub)) 2037 continue; 2038 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 2039 "Uberblock[%d]\n", i); 2040 dump_uberblock(ub, header, ""); 2041 } 2042 } 2043 2044 static void 2045 dump_label(const char *dev) 2046 { 2047 int fd; 2048 vdev_label_t label; 2049 char *path, *buf = label.vl_vdev_phys.vp_nvlist; 2050 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 2051 struct stat64 statbuf; 2052 uint64_t psize, ashift; 2053 int len = strlen(dev) + 1; 2054 2055 if (strncmp(dev, "/dev/dsk/", 9) == 0) { 2056 len++; 2057 path = malloc(len); 2058 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9); 2059 } else { 2060 path = strdup(dev); 2061 } 2062 2063 if ((fd = open64(path, O_RDONLY)) < 0) { 2064 (void) printf("cannot open '%s': %s\n", path, strerror(errno)); 2065 free(path); 2066 exit(1); 2067 } 2068 2069 if (fstat64(fd, &statbuf) != 0) { 2070 (void) printf("failed to stat '%s': %s\n", path, 2071 strerror(errno)); 2072 free(path); 2073 (void) close(fd); 2074 exit(1); 2075 } 2076 2077 if (S_ISBLK(statbuf.st_mode)) { 2078 (void) printf("cannot use '%s': character device required\n", 2079 path); 2080 free(path); 2081 (void) close(fd); 2082 exit(1); 2083 } 2084 2085 psize = statbuf.st_size; 2086 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 2087 2088 for (int l = 0; l < VDEV_LABELS; l++) { 2089 nvlist_t *config = NULL; 2090 2091 (void) printf("--------------------------------------------\n"); 2092 (void) printf("LABEL %d\n", l); 2093 (void) printf("--------------------------------------------\n"); 2094 2095 if (pread64(fd, &label, sizeof (label), 2096 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 2097 (void) printf("failed to read label %d\n", l); 2098 continue; 2099 } 2100 2101 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 2102 (void) printf("failed to unpack label %d\n", l); 2103 ashift = SPA_MINBLOCKSHIFT; 2104 } else { 2105 nvlist_t *vdev_tree = NULL; 2106 2107 dump_nvlist(config, 4); 2108 if ((nvlist_lookup_nvlist(config, 2109 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 2110 (nvlist_lookup_uint64(vdev_tree, 2111 ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 2112 ashift = SPA_MINBLOCKSHIFT; 2113 nvlist_free(config); 2114 } 2115 if (dump_opt['u']) 2116 dump_label_uberblocks(&label, ashift); 2117 } 2118 2119 free(path); 2120 (void) close(fd); 2121 } 2122 2123 static uint64_t num_large_blocks; 2124 2125 /*ARGSUSED*/ 2126 static int 2127 dump_one_dir(const char *dsname, void *arg) 2128 { 2129 int error; 2130 objset_t *os; 2131 2132 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 2133 if (error) { 2134 (void) printf("Could not open %s, error %d\n", dsname, error); 2135 return (0); 2136 } 2137 if (dmu_objset_ds(os)->ds_large_blocks) 2138 num_large_blocks++; 2139 dump_dir(os); 2140 dmu_objset_disown(os, FTAG); 2141 fuid_table_destroy(); 2142 sa_loaded = B_FALSE; 2143 return (0); 2144 } 2145 2146 /* 2147 * Block statistics. 2148 */ 2149 #define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2) 2150 typedef struct zdb_blkstats { 2151 uint64_t zb_asize; 2152 uint64_t zb_lsize; 2153 uint64_t zb_psize; 2154 uint64_t zb_count; 2155 uint64_t zb_gangs; 2156 uint64_t zb_ditto_samevdev; 2157 uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE]; 2158 } zdb_blkstats_t; 2159 2160 /* 2161 * Extended object types to report deferred frees and dedup auto-ditto blocks. 2162 */ 2163 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 2164 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 2165 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2) 2166 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3) 2167 2168 static char *zdb_ot_extname[] = { 2169 "deferred free", 2170 "dedup ditto", 2171 "other", 2172 "Total", 2173 }; 2174 2175 #define ZB_TOTAL DN_MAX_LEVELS 2176 2177 typedef struct zdb_cb { 2178 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 2179 uint64_t zcb_dedup_asize; 2180 uint64_t zcb_dedup_blocks; 2181 uint64_t zcb_embedded_blocks[NUM_BP_EMBEDDED_TYPES]; 2182 uint64_t zcb_embedded_histogram[NUM_BP_EMBEDDED_TYPES] 2183 [BPE_PAYLOAD_SIZE]; 2184 uint64_t zcb_start; 2185 uint64_t zcb_lastprint; 2186 uint64_t zcb_totalasize; 2187 uint64_t zcb_errors[256]; 2188 int zcb_readfails; 2189 int zcb_haderrors; 2190 spa_t *zcb_spa; 2191 } zdb_cb_t; 2192 2193 static void 2194 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp, 2195 dmu_object_type_t type) 2196 { 2197 uint64_t refcnt = 0; 2198 2199 ASSERT(type < ZDB_OT_TOTAL); 2200 2201 if (zilog && zil_bp_tree_add(zilog, bp) != 0) 2202 return; 2203 2204 for (int i = 0; i < 4; i++) { 2205 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 2206 int t = (i & 1) ? type : ZDB_OT_TOTAL; 2207 int equal; 2208 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 2209 2210 zb->zb_asize += BP_GET_ASIZE(bp); 2211 zb->zb_lsize += BP_GET_LSIZE(bp); 2212 zb->zb_psize += BP_GET_PSIZE(bp); 2213 zb->zb_count++; 2214 2215 /* 2216 * The histogram is only big enough to record blocks up to 2217 * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last, 2218 * "other", bucket. 2219 */ 2220 int idx = BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT; 2221 idx = MIN(idx, SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1); 2222 zb->zb_psize_histogram[idx]++; 2223 2224 zb->zb_gangs += BP_COUNT_GANG(bp); 2225 2226 switch (BP_GET_NDVAS(bp)) { 2227 case 2: 2228 if (DVA_GET_VDEV(&bp->blk_dva[0]) == 2229 DVA_GET_VDEV(&bp->blk_dva[1])) 2230 zb->zb_ditto_samevdev++; 2231 break; 2232 case 3: 2233 equal = (DVA_GET_VDEV(&bp->blk_dva[0]) == 2234 DVA_GET_VDEV(&bp->blk_dva[1])) + 2235 (DVA_GET_VDEV(&bp->blk_dva[0]) == 2236 DVA_GET_VDEV(&bp->blk_dva[2])) + 2237 (DVA_GET_VDEV(&bp->blk_dva[1]) == 2238 DVA_GET_VDEV(&bp->blk_dva[2])); 2239 if (equal != 0) 2240 zb->zb_ditto_samevdev++; 2241 break; 2242 } 2243 2244 } 2245 2246 if (BP_IS_EMBEDDED(bp)) { 2247 zcb->zcb_embedded_blocks[BPE_GET_ETYPE(bp)]++; 2248 zcb->zcb_embedded_histogram[BPE_GET_ETYPE(bp)] 2249 [BPE_GET_PSIZE(bp)]++; 2250 return; 2251 } 2252 2253 if (dump_opt['L']) 2254 return; 2255 2256 if (BP_GET_DEDUP(bp)) { 2257 ddt_t *ddt; 2258 ddt_entry_t *dde; 2259 2260 ddt = ddt_select(zcb->zcb_spa, bp); 2261 ddt_enter(ddt); 2262 dde = ddt_lookup(ddt, bp, B_FALSE); 2263 2264 if (dde == NULL) { 2265 refcnt = 0; 2266 } else { 2267 ddt_phys_t *ddp = ddt_phys_select(dde, bp); 2268 ddt_phys_decref(ddp); 2269 refcnt = ddp->ddp_refcnt; 2270 if (ddt_phys_total_refcnt(dde) == 0) 2271 ddt_remove(ddt, dde); 2272 } 2273 ddt_exit(ddt); 2274 } 2275 2276 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa, 2277 refcnt ? 0 : spa_first_txg(zcb->zcb_spa), 2278 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 2279 } 2280 2281 static void 2282 zdb_blkptr_done(zio_t *zio) 2283 { 2284 spa_t *spa = zio->io_spa; 2285 blkptr_t *bp = zio->io_bp; 2286 int ioerr = zio->io_error; 2287 zdb_cb_t *zcb = zio->io_private; 2288 zbookmark_phys_t *zb = &zio->io_bookmark; 2289 2290 zio_data_buf_free(zio->io_data, zio->io_size); 2291 2292 mutex_enter(&spa->spa_scrub_lock); 2293 spa->spa_scrub_inflight--; 2294 cv_broadcast(&spa->spa_scrub_io_cv); 2295 2296 if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) { 2297 char blkbuf[BP_SPRINTF_LEN]; 2298 2299 zcb->zcb_haderrors = 1; 2300 zcb->zcb_errors[ioerr]++; 2301 2302 if (dump_opt['b'] >= 2) 2303 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2304 else 2305 blkbuf[0] = '\0'; 2306 2307 (void) printf("zdb_blkptr_cb: " 2308 "Got error %d reading " 2309 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 2310 ioerr, 2311 (u_longlong_t)zb->zb_objset, 2312 (u_longlong_t)zb->zb_object, 2313 (u_longlong_t)zb->zb_level, 2314 (u_longlong_t)zb->zb_blkid, 2315 blkbuf); 2316 } 2317 mutex_exit(&spa->spa_scrub_lock); 2318 } 2319 2320 static int 2321 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2322 const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) 2323 { 2324 zdb_cb_t *zcb = arg; 2325 dmu_object_type_t type; 2326 boolean_t is_metadata; 2327 2328 if (dump_opt['b'] >= 5 && bp->blk_birth > 0) { 2329 char blkbuf[BP_SPRINTF_LEN]; 2330 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2331 (void) printf("objset %llu object %llu " 2332 "level %lld offset 0x%llx %s\n", 2333 (u_longlong_t)zb->zb_objset, 2334 (u_longlong_t)zb->zb_object, 2335 (longlong_t)zb->zb_level, 2336 (u_longlong_t)blkid2offset(dnp, bp, zb), 2337 blkbuf); 2338 } 2339 2340 if (BP_IS_HOLE(bp)) 2341 return (0); 2342 2343 type = BP_GET_TYPE(bp); 2344 2345 zdb_count_block(zcb, zilog, bp, 2346 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type); 2347 2348 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type)); 2349 2350 if (!BP_IS_EMBEDDED(bp) && 2351 (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata))) { 2352 size_t size = BP_GET_PSIZE(bp); 2353 void *data = zio_data_buf_alloc(size); 2354 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 2355 2356 /* If it's an intent log block, failure is expected. */ 2357 if (zb->zb_level == ZB_ZIL_LEVEL) 2358 flags |= ZIO_FLAG_SPECULATIVE; 2359 2360 mutex_enter(&spa->spa_scrub_lock); 2361 while (spa->spa_scrub_inflight > max_inflight) 2362 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); 2363 spa->spa_scrub_inflight++; 2364 mutex_exit(&spa->spa_scrub_lock); 2365 2366 zio_nowait(zio_read(NULL, spa, bp, data, size, 2367 zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 2368 } 2369 2370 zcb->zcb_readfails = 0; 2371 2372 /* only call gethrtime() every 100 blocks */ 2373 static int iters; 2374 if (++iters > 100) 2375 iters = 0; 2376 else 2377 return (0); 2378 2379 if (dump_opt['b'] < 5 && gethrtime() > zcb->zcb_lastprint + NANOSEC) { 2380 uint64_t now = gethrtime(); 2381 char buf[10]; 2382 uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize; 2383 int kb_per_sec = 2384 1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000)); 2385 int sec_remaining = 2386 (zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec; 2387 2388 zfs_nicenum(bytes, buf, sizeof (buf)); 2389 (void) fprintf(stderr, 2390 "\r%5s completed (%4dMB/s) " 2391 "estimated time remaining: %uhr %02umin %02usec ", 2392 buf, kb_per_sec / 1024, 2393 sec_remaining / 60 / 60, 2394 sec_remaining / 60 % 60, 2395 sec_remaining % 60); 2396 2397 zcb->zcb_lastprint = now; 2398 } 2399 2400 return (0); 2401 } 2402 2403 static void 2404 zdb_leak(void *arg, uint64_t start, uint64_t size) 2405 { 2406 vdev_t *vd = arg; 2407 2408 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 2409 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 2410 } 2411 2412 static metaslab_ops_t zdb_metaslab_ops = { 2413 NULL /* alloc */ 2414 }; 2415 2416 static void 2417 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 2418 { 2419 ddt_bookmark_t ddb = { 0 }; 2420 ddt_entry_t dde; 2421 int error; 2422 2423 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 2424 blkptr_t blk; 2425 ddt_phys_t *ddp = dde.dde_phys; 2426 2427 if (ddb.ddb_class == DDT_CLASS_UNIQUE) 2428 return; 2429 2430 ASSERT(ddt_phys_total_refcnt(&dde) > 1); 2431 2432 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 2433 if (ddp->ddp_phys_birth == 0) 2434 continue; 2435 ddt_bp_create(ddb.ddb_checksum, 2436 &dde.dde_key, ddp, &blk); 2437 if (p == DDT_PHYS_DITTO) { 2438 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO); 2439 } else { 2440 zcb->zcb_dedup_asize += 2441 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 2442 zcb->zcb_dedup_blocks++; 2443 } 2444 } 2445 if (!dump_opt['L']) { 2446 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 2447 ddt_enter(ddt); 2448 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 2449 ddt_exit(ddt); 2450 } 2451 } 2452 2453 ASSERT(error == ENOENT); 2454 } 2455 2456 static void 2457 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 2458 { 2459 zcb->zcb_spa = spa; 2460 2461 if (!dump_opt['L']) { 2462 vdev_t *rvd = spa->spa_root_vdev; 2463 for (uint64_t c = 0; c < rvd->vdev_children; c++) { 2464 vdev_t *vd = rvd->vdev_child[c]; 2465 for (uint64_t m = 0; m < vd->vdev_ms_count; m++) { 2466 metaslab_t *msp = vd->vdev_ms[m]; 2467 mutex_enter(&msp->ms_lock); 2468 metaslab_unload(msp); 2469 2470 /* 2471 * For leak detection, we overload the metaslab 2472 * ms_tree to contain allocated segments 2473 * instead of free segments. As a result, 2474 * we can't use the normal metaslab_load/unload 2475 * interfaces. 2476 */ 2477 if (msp->ms_sm != NULL) { 2478 (void) fprintf(stderr, 2479 "\rloading space map for " 2480 "vdev %llu of %llu, " 2481 "metaslab %llu of %llu ...", 2482 (longlong_t)c, 2483 (longlong_t)rvd->vdev_children, 2484 (longlong_t)m, 2485 (longlong_t)vd->vdev_ms_count); 2486 2487 msp->ms_ops = &zdb_metaslab_ops; 2488 2489 /* 2490 * We don't want to spend the CPU 2491 * manipulating the size-ordered 2492 * tree, so clear the range_tree 2493 * ops. 2494 */ 2495 msp->ms_tree->rt_ops = NULL; 2496 VERIFY0(space_map_load(msp->ms_sm, 2497 msp->ms_tree, SM_ALLOC)); 2498 msp->ms_loaded = B_TRUE; 2499 } 2500 mutex_exit(&msp->ms_lock); 2501 } 2502 } 2503 (void) fprintf(stderr, "\n"); 2504 } 2505 2506 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2507 2508 zdb_ddt_leak_init(spa, zcb); 2509 2510 spa_config_exit(spa, SCL_CONFIG, FTAG); 2511 } 2512 2513 static void 2514 zdb_leak_fini(spa_t *spa) 2515 { 2516 if (!dump_opt['L']) { 2517 vdev_t *rvd = spa->spa_root_vdev; 2518 for (int c = 0; c < rvd->vdev_children; c++) { 2519 vdev_t *vd = rvd->vdev_child[c]; 2520 for (int m = 0; m < vd->vdev_ms_count; m++) { 2521 metaslab_t *msp = vd->vdev_ms[m]; 2522 mutex_enter(&msp->ms_lock); 2523 2524 /* 2525 * The ms_tree has been overloaded to 2526 * contain allocated segments. Now that we 2527 * finished traversing all blocks, any 2528 * block that remains in the ms_tree 2529 * represents an allocated block that we 2530 * did not claim during the traversal. 2531 * Claimed blocks would have been removed 2532 * from the ms_tree. 2533 */ 2534 range_tree_vacate(msp->ms_tree, zdb_leak, vd); 2535 msp->ms_loaded = B_FALSE; 2536 2537 mutex_exit(&msp->ms_lock); 2538 } 2539 } 2540 } 2541 } 2542 2543 /* ARGSUSED */ 2544 static int 2545 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 2546 { 2547 zdb_cb_t *zcb = arg; 2548 2549 if (dump_opt['b'] >= 5) { 2550 char blkbuf[BP_SPRINTF_LEN]; 2551 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 2552 (void) printf("[%s] %s\n", 2553 "deferred free", blkbuf); 2554 } 2555 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED); 2556 return (0); 2557 } 2558 2559 static int 2560 dump_block_stats(spa_t *spa) 2561 { 2562 zdb_cb_t zcb = { 0 }; 2563 zdb_blkstats_t *zb, *tzb; 2564 uint64_t norm_alloc, norm_space, total_alloc, total_found; 2565 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 2566 boolean_t leaks = B_FALSE; 2567 2568 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n", 2569 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 2570 (dump_opt['c'] == 1) ? "metadata " : "", 2571 dump_opt['c'] ? "checksums " : "", 2572 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 2573 !dump_opt['L'] ? "nothing leaked " : ""); 2574 2575 /* 2576 * Load all space maps as SM_ALLOC maps, then traverse the pool 2577 * claiming each block we discover. If the pool is perfectly 2578 * consistent, the space maps will be empty when we're done. 2579 * Anything left over is a leak; any block we can't claim (because 2580 * it's not part of any space map) is a double allocation, 2581 * reference to a freed block, or an unclaimed log block. 2582 */ 2583 zdb_leak_init(spa, &zcb); 2584 2585 /* 2586 * If there's a deferred-free bplist, process that first. 2587 */ 2588 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj, 2589 count_block_cb, &zcb, NULL); 2590 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2591 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj, 2592 count_block_cb, &zcb, NULL); 2593 } 2594 if (spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) { 2595 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset, 2596 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb, 2597 &zcb, NULL)); 2598 } 2599 2600 if (dump_opt['c'] > 1) 2601 flags |= TRAVERSE_PREFETCH_DATA; 2602 2603 zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa)); 2604 zcb.zcb_start = zcb.zcb_lastprint = gethrtime(); 2605 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 2606 2607 /* 2608 * If we've traversed the data blocks then we need to wait for those 2609 * I/Os to complete. We leverage "The Godfather" zio to wait on 2610 * all async I/Os to complete. 2611 */ 2612 if (dump_opt['c']) { 2613 for (int i = 0; i < max_ncpus; i++) { 2614 (void) zio_wait(spa->spa_async_zio_root[i]); 2615 spa->spa_async_zio_root[i] = zio_root(spa, NULL, NULL, 2616 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | 2617 ZIO_FLAG_GODFATHER); 2618 } 2619 } 2620 2621 if (zcb.zcb_haderrors) { 2622 (void) printf("\nError counts:\n\n"); 2623 (void) printf("\t%5s %s\n", "errno", "count"); 2624 for (int e = 0; e < 256; e++) { 2625 if (zcb.zcb_errors[e] != 0) { 2626 (void) printf("\t%5d %llu\n", 2627 e, (u_longlong_t)zcb.zcb_errors[e]); 2628 } 2629 } 2630 } 2631 2632 /* 2633 * Report any leaked segments. 2634 */ 2635 zdb_leak_fini(spa); 2636 2637 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 2638 2639 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 2640 norm_space = metaslab_class_get_space(spa_normal_class(spa)); 2641 2642 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 2643 total_found = tzb->zb_asize - zcb.zcb_dedup_asize; 2644 2645 if (total_found == total_alloc) { 2646 if (!dump_opt['L']) 2647 (void) printf("\n\tNo leaks (block sum matches space" 2648 " maps exactly)\n"); 2649 } else { 2650 (void) printf("block traversal size %llu != alloc %llu " 2651 "(%s %lld)\n", 2652 (u_longlong_t)total_found, 2653 (u_longlong_t)total_alloc, 2654 (dump_opt['L']) ? "unreachable" : "leaked", 2655 (longlong_t)(total_alloc - total_found)); 2656 leaks = B_TRUE; 2657 } 2658 2659 if (tzb->zb_count == 0) 2660 return (2); 2661 2662 (void) printf("\n"); 2663 (void) printf("\tbp count: %10llu\n", 2664 (u_longlong_t)tzb->zb_count); 2665 (void) printf("\tganged count: %10llu\n", 2666 (longlong_t)tzb->zb_gangs); 2667 (void) printf("\tbp logical: %10llu avg: %6llu\n", 2668 (u_longlong_t)tzb->zb_lsize, 2669 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 2670 (void) printf("\tbp physical: %10llu avg:" 2671 " %6llu compression: %6.2f\n", 2672 (u_longlong_t)tzb->zb_psize, 2673 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 2674 (double)tzb->zb_lsize / tzb->zb_psize); 2675 (void) printf("\tbp allocated: %10llu avg:" 2676 " %6llu compression: %6.2f\n", 2677 (u_longlong_t)tzb->zb_asize, 2678 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 2679 (double)tzb->zb_lsize / tzb->zb_asize); 2680 (void) printf("\tbp deduped: %10llu ref>1:" 2681 " %6llu deduplication: %6.2f\n", 2682 (u_longlong_t)zcb.zcb_dedup_asize, 2683 (u_longlong_t)zcb.zcb_dedup_blocks, 2684 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 2685 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 2686 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 2687 2688 for (bp_embedded_type_t i = 0; i < NUM_BP_EMBEDDED_TYPES; i++) { 2689 if (zcb.zcb_embedded_blocks[i] == 0) 2690 continue; 2691 (void) printf("\n"); 2692 (void) printf("\tadditional, non-pointer bps of type %u: " 2693 "%10llu\n", 2694 i, (u_longlong_t)zcb.zcb_embedded_blocks[i]); 2695 2696 if (dump_opt['b'] >= 3) { 2697 (void) printf("\t number of (compressed) bytes: " 2698 "number of bps\n"); 2699 dump_histogram(zcb.zcb_embedded_histogram[i], 2700 sizeof (zcb.zcb_embedded_histogram[i]) / 2701 sizeof (zcb.zcb_embedded_histogram[i][0]), 0); 2702 } 2703 } 2704 2705 if (tzb->zb_ditto_samevdev != 0) { 2706 (void) printf("\tDittoed blocks on same vdev: %llu\n", 2707 (longlong_t)tzb->zb_ditto_samevdev); 2708 } 2709 2710 if (dump_opt['b'] >= 2) { 2711 int l, t, level; 2712 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 2713 "\t avg\t comp\t%%Total\tType\n"); 2714 2715 for (t = 0; t <= ZDB_OT_TOTAL; t++) { 2716 char csize[32], lsize[32], psize[32], asize[32]; 2717 char avg[32], gang[32]; 2718 char *typename; 2719 2720 if (t < DMU_OT_NUMTYPES) 2721 typename = dmu_ot[t].ot_name; 2722 else 2723 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 2724 2725 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 2726 (void) printf("%6s\t%5s\t%5s\t%5s" 2727 "\t%5s\t%5s\t%6s\t%s\n", 2728 "-", 2729 "-", 2730 "-", 2731 "-", 2732 "-", 2733 "-", 2734 "-", 2735 typename); 2736 continue; 2737 } 2738 2739 for (l = ZB_TOTAL - 1; l >= -1; l--) { 2740 level = (l == -1 ? ZB_TOTAL : l); 2741 zb = &zcb.zcb_type[level][t]; 2742 2743 if (zb->zb_asize == 0) 2744 continue; 2745 2746 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 2747 continue; 2748 2749 if (level == 0 && zb->zb_asize == 2750 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 2751 continue; 2752 2753 zdb_nicenum(zb->zb_count, csize); 2754 zdb_nicenum(zb->zb_lsize, lsize); 2755 zdb_nicenum(zb->zb_psize, psize); 2756 zdb_nicenum(zb->zb_asize, asize); 2757 zdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2758 zdb_nicenum(zb->zb_gangs, gang); 2759 2760 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 2761 "\t%5.2f\t%6.2f\t", 2762 csize, lsize, psize, asize, avg, 2763 (double)zb->zb_lsize / zb->zb_psize, 2764 100.0 * zb->zb_asize / tzb->zb_asize); 2765 2766 if (level == ZB_TOTAL) 2767 (void) printf("%s\n", typename); 2768 else 2769 (void) printf(" L%d %s\n", 2770 level, typename); 2771 2772 if (dump_opt['b'] >= 3 && zb->zb_gangs > 0) { 2773 (void) printf("\t number of ganged " 2774 "blocks: %s\n", gang); 2775 } 2776 2777 if (dump_opt['b'] >= 4) { 2778 (void) printf("psize " 2779 "(in 512-byte sectors): " 2780 "number of blocks\n"); 2781 dump_histogram(zb->zb_psize_histogram, 2782 PSIZE_HISTO_SIZE, 0); 2783 } 2784 } 2785 } 2786 } 2787 2788 (void) printf("\n"); 2789 2790 if (leaks) 2791 return (2); 2792 2793 if (zcb.zcb_haderrors) 2794 return (3); 2795 2796 return (0); 2797 } 2798 2799 typedef struct zdb_ddt_entry { 2800 ddt_key_t zdde_key; 2801 uint64_t zdde_ref_blocks; 2802 uint64_t zdde_ref_lsize; 2803 uint64_t zdde_ref_psize; 2804 uint64_t zdde_ref_dsize; 2805 avl_node_t zdde_node; 2806 } zdb_ddt_entry_t; 2807 2808 /* ARGSUSED */ 2809 static int 2810 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2811 const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg) 2812 { 2813 avl_tree_t *t = arg; 2814 avl_index_t where; 2815 zdb_ddt_entry_t *zdde, zdde_search; 2816 2817 if (BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp)) 2818 return (0); 2819 2820 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 2821 (void) printf("traversing objset %llu, %llu objects, " 2822 "%lu blocks so far\n", 2823 (u_longlong_t)zb->zb_objset, 2824 (u_longlong_t)BP_GET_FILL(bp), 2825 avl_numnodes(t)); 2826 } 2827 2828 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 2829 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp))) 2830 return (0); 2831 2832 ddt_key_fill(&zdde_search.zdde_key, bp); 2833 2834 zdde = avl_find(t, &zdde_search, &where); 2835 2836 if (zdde == NULL) { 2837 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 2838 zdde->zdde_key = zdde_search.zdde_key; 2839 avl_insert(t, zdde, where); 2840 } 2841 2842 zdde->zdde_ref_blocks += 1; 2843 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 2844 zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 2845 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 2846 2847 return (0); 2848 } 2849 2850 static void 2851 dump_simulated_ddt(spa_t *spa) 2852 { 2853 avl_tree_t t; 2854 void *cookie = NULL; 2855 zdb_ddt_entry_t *zdde; 2856 ddt_histogram_t ddh_total = { 0 }; 2857 ddt_stat_t dds_total = { 0 }; 2858 2859 avl_create(&t, ddt_entry_compare, 2860 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 2861 2862 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2863 2864 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 2865 zdb_ddt_add_cb, &t); 2866 2867 spa_config_exit(spa, SCL_CONFIG, FTAG); 2868 2869 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 2870 ddt_stat_t dds; 2871 uint64_t refcnt = zdde->zdde_ref_blocks; 2872 ASSERT(refcnt != 0); 2873 2874 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 2875 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 2876 dds.dds_psize = zdde->zdde_ref_psize / refcnt; 2877 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 2878 2879 dds.dds_ref_blocks = zdde->zdde_ref_blocks; 2880 dds.dds_ref_lsize = zdde->zdde_ref_lsize; 2881 dds.dds_ref_psize = zdde->zdde_ref_psize; 2882 dds.dds_ref_dsize = zdde->zdde_ref_dsize; 2883 2884 ddt_stat_add(&ddh_total.ddh_stat[highbit64(refcnt) - 1], 2885 &dds, 0); 2886 2887 umem_free(zdde, sizeof (*zdde)); 2888 } 2889 2890 avl_destroy(&t); 2891 2892 ddt_histogram_stat(&dds_total, &ddh_total); 2893 2894 (void) printf("Simulated DDT histogram:\n"); 2895 2896 zpool_dump_ddt(&dds_total, &ddh_total); 2897 2898 dump_dedup_ratio(&dds_total); 2899 } 2900 2901 static void 2902 dump_zpool(spa_t *spa) 2903 { 2904 dsl_pool_t *dp = spa_get_dsl(spa); 2905 int rc = 0; 2906 2907 if (dump_opt['S']) { 2908 dump_simulated_ddt(spa); 2909 return; 2910 } 2911 2912 if (!dump_opt['e'] && dump_opt['C'] > 1) { 2913 (void) printf("\nCached configuration:\n"); 2914 dump_nvlist(spa->spa_config, 8); 2915 } 2916 2917 if (dump_opt['C']) 2918 dump_config(spa); 2919 2920 if (dump_opt['u']) 2921 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 2922 2923 if (dump_opt['D']) 2924 dump_all_ddts(spa); 2925 2926 if (dump_opt['d'] > 2 || dump_opt['m']) 2927 dump_metaslabs(spa); 2928 if (dump_opt['M']) 2929 dump_metaslab_groups(spa); 2930 2931 if (dump_opt['d'] || dump_opt['i']) { 2932 uint64_t refcount; 2933 dump_dir(dp->dp_meta_objset); 2934 if (dump_opt['d'] >= 3) { 2935 dump_bpobj(&spa->spa_deferred_bpobj, 2936 "Deferred frees", 0); 2937 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2938 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj, 2939 "Pool snapshot frees", 0); 2940 } 2941 2942 if (spa_feature_is_active(spa, 2943 SPA_FEATURE_ASYNC_DESTROY)) { 2944 dump_bptree(spa->spa_meta_objset, 2945 spa->spa_dsl_pool->dp_bptree_obj, 2946 "Pool dataset frees"); 2947 } 2948 dump_dtl(spa->spa_root_vdev, 0); 2949 } 2950 (void) dmu_objset_find(spa_name(spa), dump_one_dir, 2951 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 2952 2953 (void) feature_get_refcount(spa, 2954 &spa_feature_table[SPA_FEATURE_LARGE_BLOCKS], &refcount); 2955 if (num_large_blocks != refcount) { 2956 (void) printf("large_blocks feature refcount mismatch: " 2957 "expected %lld != actual %lld\n", 2958 (longlong_t)num_large_blocks, 2959 (longlong_t)refcount); 2960 rc = 2; 2961 } else { 2962 (void) printf("Verified large_blocks feature refcount " 2963 "is correct (%llu)\n", (longlong_t)refcount); 2964 } 2965 } 2966 if (rc == 0 && (dump_opt['b'] || dump_opt['c'])) 2967 rc = dump_block_stats(spa); 2968 2969 if (rc == 0) 2970 rc = verify_spacemap_refcounts(spa); 2971 2972 if (dump_opt['s']) 2973 show_pool_stats(spa); 2974 2975 if (dump_opt['h']) 2976 dump_history(spa); 2977 2978 if (rc != 0) 2979 exit(rc); 2980 } 2981 2982 #define ZDB_FLAG_CHECKSUM 0x0001 2983 #define ZDB_FLAG_DECOMPRESS 0x0002 2984 #define ZDB_FLAG_BSWAP 0x0004 2985 #define ZDB_FLAG_GBH 0x0008 2986 #define ZDB_FLAG_INDIRECT 0x0010 2987 #define ZDB_FLAG_PHYS 0x0020 2988 #define ZDB_FLAG_RAW 0x0040 2989 #define ZDB_FLAG_PRINT_BLKPTR 0x0080 2990 2991 int flagbits[256]; 2992 2993 static void 2994 zdb_print_blkptr(blkptr_t *bp, int flags) 2995 { 2996 char blkbuf[BP_SPRINTF_LEN]; 2997 2998 if (flags & ZDB_FLAG_BSWAP) 2999 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 3000 3001 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp); 3002 (void) printf("%s\n", blkbuf); 3003 } 3004 3005 static void 3006 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 3007 { 3008 int i; 3009 3010 for (i = 0; i < nbps; i++) 3011 zdb_print_blkptr(&bp[i], flags); 3012 } 3013 3014 static void 3015 zdb_dump_gbh(void *buf, int flags) 3016 { 3017 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 3018 } 3019 3020 static void 3021 zdb_dump_block_raw(void *buf, uint64_t size, int flags) 3022 { 3023 if (flags & ZDB_FLAG_BSWAP) 3024 byteswap_uint64_array(buf, size); 3025 (void) write(1, buf, size); 3026 } 3027 3028 static void 3029 zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 3030 { 3031 uint64_t *d = (uint64_t *)buf; 3032 int nwords = size / sizeof (uint64_t); 3033 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 3034 int i, j; 3035 char *hdr, *c; 3036 3037 3038 if (do_bswap) 3039 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 3040 else 3041 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 3042 3043 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 3044 3045 for (i = 0; i < nwords; i += 2) { 3046 (void) printf("%06llx: %016llx %016llx ", 3047 (u_longlong_t)(i * sizeof (uint64_t)), 3048 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 3049 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 3050 3051 c = (char *)&d[i]; 3052 for (j = 0; j < 2 * sizeof (uint64_t); j++) 3053 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 3054 (void) printf("\n"); 3055 } 3056 } 3057 3058 /* 3059 * There are two acceptable formats: 3060 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 3061 * child[.child]* - For example: 0.1.1 3062 * 3063 * The second form can be used to specify arbitrary vdevs anywhere 3064 * in the heirarchy. For example, in a pool with a mirror of 3065 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 3066 */ 3067 static vdev_t * 3068 zdb_vdev_lookup(vdev_t *vdev, char *path) 3069 { 3070 char *s, *p, *q; 3071 int i; 3072 3073 if (vdev == NULL) 3074 return (NULL); 3075 3076 /* First, assume the x.x.x.x format */ 3077 i = (int)strtoul(path, &s, 10); 3078 if (s == path || (s && *s != '.' && *s != '\0')) 3079 goto name; 3080 if (i < 0 || i >= vdev->vdev_children) 3081 return (NULL); 3082 3083 vdev = vdev->vdev_child[i]; 3084 if (*s == '\0') 3085 return (vdev); 3086 return (zdb_vdev_lookup(vdev, s+1)); 3087 3088 name: 3089 for (i = 0; i < vdev->vdev_children; i++) { 3090 vdev_t *vc = vdev->vdev_child[i]; 3091 3092 if (vc->vdev_path == NULL) { 3093 vc = zdb_vdev_lookup(vc, path); 3094 if (vc == NULL) 3095 continue; 3096 else 3097 return (vc); 3098 } 3099 3100 p = strrchr(vc->vdev_path, '/'); 3101 p = p ? p + 1 : vc->vdev_path; 3102 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 3103 3104 if (strcmp(vc->vdev_path, path) == 0) 3105 return (vc); 3106 if (strcmp(p, path) == 0) 3107 return (vc); 3108 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 3109 return (vc); 3110 } 3111 3112 return (NULL); 3113 } 3114 3115 /* 3116 * Read a block from a pool and print it out. The syntax of the 3117 * block descriptor is: 3118 * 3119 * pool:vdev_specifier:offset:size[:flags] 3120 * 3121 * pool - The name of the pool you wish to read from 3122 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 3123 * offset - offset, in hex, in bytes 3124 * size - Amount of data to read, in hex, in bytes 3125 * flags - A string of characters specifying options 3126 * b: Decode a blkptr at given offset within block 3127 * *c: Calculate and display checksums 3128 * d: Decompress data before dumping 3129 * e: Byteswap data before dumping 3130 * g: Display data as a gang block header 3131 * i: Display as an indirect block 3132 * p: Do I/O to physical offset 3133 * r: Dump raw data to stdout 3134 * 3135 * * = not yet implemented 3136 */ 3137 static void 3138 zdb_read_block(char *thing, spa_t *spa) 3139 { 3140 blkptr_t blk, *bp = &blk; 3141 dva_t *dva = bp->blk_dva; 3142 int flags = 0; 3143 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 3144 zio_t *zio; 3145 vdev_t *vd; 3146 void *pbuf, *lbuf, *buf; 3147 char *s, *p, *dup, *vdev, *flagstr; 3148 int i, error; 3149 3150 dup = strdup(thing); 3151 s = strtok(dup, ":"); 3152 vdev = s ? s : ""; 3153 s = strtok(NULL, ":"); 3154 offset = strtoull(s ? s : "", NULL, 16); 3155 s = strtok(NULL, ":"); 3156 size = strtoull(s ? s : "", NULL, 16); 3157 s = strtok(NULL, ":"); 3158 flagstr = s ? s : ""; 3159 3160 s = NULL; 3161 if (size == 0) 3162 s = "size must not be zero"; 3163 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 3164 s = "size must be a multiple of sector size"; 3165 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 3166 s = "offset must be a multiple of sector size"; 3167 if (s) { 3168 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 3169 free(dup); 3170 return; 3171 } 3172 3173 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 3174 for (i = 0; flagstr[i]; i++) { 3175 int bit = flagbits[(uchar_t)flagstr[i]]; 3176 3177 if (bit == 0) { 3178 (void) printf("***Invalid flag: %c\n", 3179 flagstr[i]); 3180 continue; 3181 } 3182 flags |= bit; 3183 3184 /* If it's not something with an argument, keep going */ 3185 if ((bit & (ZDB_FLAG_CHECKSUM | 3186 ZDB_FLAG_PRINT_BLKPTR)) == 0) 3187 continue; 3188 3189 p = &flagstr[i + 1]; 3190 if (bit == ZDB_FLAG_PRINT_BLKPTR) 3191 blkptr_offset = strtoull(p, &p, 16); 3192 if (*p != ':' && *p != '\0') { 3193 (void) printf("***Invalid flag arg: '%s'\n", s); 3194 free(dup); 3195 return; 3196 } 3197 } 3198 } 3199 3200 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 3201 if (vd == NULL) { 3202 (void) printf("***Invalid vdev: %s\n", vdev); 3203 free(dup); 3204 return; 3205 } else { 3206 if (vd->vdev_path) 3207 (void) fprintf(stderr, "Found vdev: %s\n", 3208 vd->vdev_path); 3209 else 3210 (void) fprintf(stderr, "Found vdev type: %s\n", 3211 vd->vdev_ops->vdev_op_type); 3212 } 3213 3214 psize = size; 3215 lsize = size; 3216 3217 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3218 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3219 3220 BP_ZERO(bp); 3221 3222 DVA_SET_VDEV(&dva[0], vd->vdev_id); 3223 DVA_SET_OFFSET(&dva[0], offset); 3224 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 3225 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 3226 3227 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 3228 3229 BP_SET_LSIZE(bp, lsize); 3230 BP_SET_PSIZE(bp, psize); 3231 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 3232 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 3233 BP_SET_TYPE(bp, DMU_OT_NONE); 3234 BP_SET_LEVEL(bp, 0); 3235 BP_SET_DEDUP(bp, 0); 3236 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 3237 3238 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 3239 zio = zio_root(spa, NULL, NULL, 0); 3240 3241 if (vd == vd->vdev_top) { 3242 /* 3243 * Treat this as a normal block read. 3244 */ 3245 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL, 3246 ZIO_PRIORITY_SYNC_READ, 3247 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 3248 } else { 3249 /* 3250 * Treat this as a vdev child I/O. 3251 */ 3252 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize, 3253 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 3254 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 3255 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 3256 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL)); 3257 } 3258 3259 error = zio_wait(zio); 3260 spa_config_exit(spa, SCL_STATE, FTAG); 3261 3262 if (error) { 3263 (void) printf("Read of %s failed, error: %d\n", thing, error); 3264 goto out; 3265 } 3266 3267 if (flags & ZDB_FLAG_DECOMPRESS) { 3268 /* 3269 * We don't know how the data was compressed, so just try 3270 * every decompress function at every inflated blocksize. 3271 */ 3272 enum zio_compress c; 3273 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3274 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 3275 3276 bcopy(pbuf, pbuf2, psize); 3277 3278 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize, 3279 SPA_MAXBLOCKSIZE - psize) == 0); 3280 3281 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 3282 SPA_MAXBLOCKSIZE - psize) == 0); 3283 3284 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 3285 lsize -= SPA_MINBLOCKSIZE) { 3286 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 3287 if (zio_decompress_data(c, pbuf, lbuf, 3288 psize, lsize) == 0 && 3289 zio_decompress_data(c, pbuf2, lbuf2, 3290 psize, lsize) == 0 && 3291 bcmp(lbuf, lbuf2, lsize) == 0) 3292 break; 3293 } 3294 if (c != ZIO_COMPRESS_FUNCTIONS) 3295 break; 3296 lsize -= SPA_MINBLOCKSIZE; 3297 } 3298 3299 umem_free(pbuf2, SPA_MAXBLOCKSIZE); 3300 umem_free(lbuf2, SPA_MAXBLOCKSIZE); 3301 3302 if (lsize <= psize) { 3303 (void) printf("Decompress of %s failed\n", thing); 3304 goto out; 3305 } 3306 buf = lbuf; 3307 size = lsize; 3308 } else { 3309 buf = pbuf; 3310 size = psize; 3311 } 3312 3313 if (flags & ZDB_FLAG_PRINT_BLKPTR) 3314 zdb_print_blkptr((blkptr_t *)(void *) 3315 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 3316 else if (flags & ZDB_FLAG_RAW) 3317 zdb_dump_block_raw(buf, size, flags); 3318 else if (flags & ZDB_FLAG_INDIRECT) 3319 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 3320 flags); 3321 else if (flags & ZDB_FLAG_GBH) 3322 zdb_dump_gbh(buf, flags); 3323 else 3324 zdb_dump_block(thing, buf, size, flags); 3325 3326 out: 3327 umem_free(pbuf, SPA_MAXBLOCKSIZE); 3328 umem_free(lbuf, SPA_MAXBLOCKSIZE); 3329 free(dup); 3330 } 3331 3332 static boolean_t 3333 pool_match(nvlist_t *cfg, char *tgt) 3334 { 3335 uint64_t v, guid = strtoull(tgt, NULL, 0); 3336 char *s; 3337 3338 if (guid != 0) { 3339 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 3340 return (v == guid); 3341 } else { 3342 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 3343 return (strcmp(s, tgt) == 0); 3344 } 3345 return (B_FALSE); 3346 } 3347 3348 static char * 3349 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 3350 { 3351 nvlist_t *pools; 3352 nvlist_t *match = NULL; 3353 char *name = NULL; 3354 char *sepp = NULL; 3355 char sep; 3356 int count = 0; 3357 importargs_t args = { 0 }; 3358 3359 args.paths = dirc; 3360 args.path = dirv; 3361 args.can_be_active = B_TRUE; 3362 3363 if ((sepp = strpbrk(*target, "/@")) != NULL) { 3364 sep = *sepp; 3365 *sepp = '\0'; 3366 } 3367 3368 pools = zpool_search_import(g_zfs, &args); 3369 3370 if (pools != NULL) { 3371 nvpair_t *elem = NULL; 3372 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 3373 verify(nvpair_value_nvlist(elem, configp) == 0); 3374 if (pool_match(*configp, *target)) { 3375 count++; 3376 if (match != NULL) { 3377 /* print previously found config */ 3378 if (name != NULL) { 3379 (void) printf("%s\n", name); 3380 dump_nvlist(match, 8); 3381 name = NULL; 3382 } 3383 (void) printf("%s\n", 3384 nvpair_name(elem)); 3385 dump_nvlist(*configp, 8); 3386 } else { 3387 match = *configp; 3388 name = nvpair_name(elem); 3389 } 3390 } 3391 } 3392 } 3393 if (count > 1) 3394 (void) fatal("\tMatched %d pools - use pool GUID " 3395 "instead of pool name or \n" 3396 "\tpool name part of a dataset name to select pool", count); 3397 3398 if (sepp) 3399 *sepp = sep; 3400 /* 3401 * If pool GUID was specified for pool id, replace it with pool name 3402 */ 3403 if (name && (strstr(*target, name) != *target)) { 3404 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 3405 3406 *target = umem_alloc(sz, UMEM_NOFAIL); 3407 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 3408 } 3409 3410 *configp = name ? match : NULL; 3411 3412 return (name); 3413 } 3414 3415 int 3416 main(int argc, char **argv) 3417 { 3418 int i, c; 3419 struct rlimit rl = { 1024, 1024 }; 3420 spa_t *spa = NULL; 3421 objset_t *os = NULL; 3422 int dump_all = 1; 3423 int verbose = 0; 3424 int error = 0; 3425 char **searchdirs = NULL; 3426 int nsearch = 0; 3427 char *target; 3428 nvlist_t *policy = NULL; 3429 uint64_t max_txg = UINT64_MAX; 3430 int rewind = ZPOOL_NEVER_REWIND; 3431 3432 (void) setrlimit(RLIMIT_NOFILE, &rl); 3433 (void) enable_extended_FILE_stdio(-1, -1); 3434 3435 dprintf_setup(&argc, argv); 3436 3437 while ((c = getopt(argc, argv, 3438 "bcdhilmMI:suCDRSAFLXx:evp:t:U:P")) != -1) { 3439 switch (c) { 3440 case 'b': 3441 case 'c': 3442 case 'd': 3443 case 'h': 3444 case 'i': 3445 case 'l': 3446 case 'm': 3447 case 's': 3448 case 'u': 3449 case 'C': 3450 case 'D': 3451 case 'M': 3452 case 'R': 3453 case 'S': 3454 dump_opt[c]++; 3455 dump_all = 0; 3456 break; 3457 case 'A': 3458 case 'F': 3459 case 'L': 3460 case 'X': 3461 case 'e': 3462 case 'P': 3463 dump_opt[c]++; 3464 break; 3465 case 'I': 3466 max_inflight = strtoull(optarg, NULL, 0); 3467 if (max_inflight == 0) { 3468 (void) fprintf(stderr, "maximum number " 3469 "of inflight I/Os must be greater " 3470 "than 0\n"); 3471 usage(); 3472 } 3473 break; 3474 case 'p': 3475 if (searchdirs == NULL) { 3476 searchdirs = umem_alloc(sizeof (char *), 3477 UMEM_NOFAIL); 3478 } else { 3479 char **tmp = umem_alloc((nsearch + 1) * 3480 sizeof (char *), UMEM_NOFAIL); 3481 bcopy(searchdirs, tmp, nsearch * 3482 sizeof (char *)); 3483 umem_free(searchdirs, 3484 nsearch * sizeof (char *)); 3485 searchdirs = tmp; 3486 } 3487 searchdirs[nsearch++] = optarg; 3488 break; 3489 case 't': 3490 max_txg = strtoull(optarg, NULL, 0); 3491 if (max_txg < TXG_INITIAL) { 3492 (void) fprintf(stderr, "incorrect txg " 3493 "specified: %s\n", optarg); 3494 usage(); 3495 } 3496 break; 3497 case 'U': 3498 spa_config_path = optarg; 3499 break; 3500 case 'v': 3501 verbose++; 3502 break; 3503 case 'x': 3504 vn_dumpdir = optarg; 3505 break; 3506 default: 3507 usage(); 3508 break; 3509 } 3510 } 3511 3512 if (!dump_opt['e'] && searchdirs != NULL) { 3513 (void) fprintf(stderr, "-p option requires use of -e\n"); 3514 usage(); 3515 } 3516 3517 /* 3518 * ZDB does not typically re-read blocks; therefore limit the ARC 3519 * to 256 MB, which can be used entirely for metadata. 3520 */ 3521 zfs_arc_max = zfs_arc_meta_limit = 256 * 1024 * 1024; 3522 3523 /* 3524 * "zdb -c" uses checksum-verifying scrub i/os which are async reads. 3525 * "zdb -b" uses traversal prefetch which uses async reads. 3526 * For good performance, let several of them be active at once. 3527 */ 3528 zfs_vdev_async_read_max_active = 10; 3529 3530 kernel_init(FREAD); 3531 g_zfs = libzfs_init(); 3532 ASSERT(g_zfs != NULL); 3533 3534 if (dump_all) 3535 verbose = MAX(verbose, 1); 3536 3537 for (c = 0; c < 256; c++) { 3538 if (dump_all && !strchr("elAFLRSXP", c)) 3539 dump_opt[c] = 1; 3540 if (dump_opt[c]) 3541 dump_opt[c] += verbose; 3542 } 3543 3544 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 3545 zfs_recover = (dump_opt['A'] > 1); 3546 3547 argc -= optind; 3548 argv += optind; 3549 3550 if (argc < 2 && dump_opt['R']) 3551 usage(); 3552 if (argc < 1) { 3553 if (!dump_opt['e'] && dump_opt['C']) { 3554 dump_cachefile(spa_config_path); 3555 return (0); 3556 } 3557 usage(); 3558 } 3559 3560 if (dump_opt['l']) { 3561 dump_label(argv[0]); 3562 return (0); 3563 } 3564 3565 if (dump_opt['X'] || dump_opt['F']) 3566 rewind = ZPOOL_DO_REWIND | 3567 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 3568 3569 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 3570 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 3571 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 3572 fatal("internal error: %s", strerror(ENOMEM)); 3573 3574 error = 0; 3575 target = argv[0]; 3576 3577 if (dump_opt['e']) { 3578 nvlist_t *cfg = NULL; 3579 char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 3580 3581 error = ENOENT; 3582 if (name) { 3583 if (dump_opt['C'] > 1) { 3584 (void) printf("\nConfiguration for import:\n"); 3585 dump_nvlist(cfg, 8); 3586 } 3587 if (nvlist_add_nvlist(cfg, 3588 ZPOOL_REWIND_POLICY, policy) != 0) { 3589 fatal("can't open '%s': %s", 3590 target, strerror(ENOMEM)); 3591 } 3592 if ((error = spa_import(name, cfg, NULL, 3593 ZFS_IMPORT_MISSING_LOG)) != 0) { 3594 error = spa_import(name, cfg, NULL, 3595 ZFS_IMPORT_VERBATIM); 3596 } 3597 } 3598 } 3599 3600 if (error == 0) { 3601 if (strpbrk(target, "/@") == NULL || dump_opt['R']) { 3602 error = spa_open_rewind(target, &spa, FTAG, policy, 3603 NULL); 3604 if (error) { 3605 /* 3606 * If we're missing the log device then 3607 * try opening the pool after clearing the 3608 * log state. 3609 */ 3610 mutex_enter(&spa_namespace_lock); 3611 if ((spa = spa_lookup(target)) != NULL && 3612 spa->spa_log_state == SPA_LOG_MISSING) { 3613 spa->spa_log_state = SPA_LOG_CLEAR; 3614 error = 0; 3615 } 3616 mutex_exit(&spa_namespace_lock); 3617 3618 if (!error) { 3619 error = spa_open_rewind(target, &spa, 3620 FTAG, policy, NULL); 3621 } 3622 } 3623 } else { 3624 error = dmu_objset_own(target, DMU_OST_ANY, 3625 B_TRUE, FTAG, &os); 3626 } 3627 } 3628 nvlist_free(policy); 3629 3630 if (error) 3631 fatal("can't open '%s': %s", target, strerror(error)); 3632 3633 argv++; 3634 argc--; 3635 if (!dump_opt['R']) { 3636 if (argc > 0) { 3637 zopt_objects = argc; 3638 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 3639 for (i = 0; i < zopt_objects; i++) { 3640 errno = 0; 3641 zopt_object[i] = strtoull(argv[i], NULL, 0); 3642 if (zopt_object[i] == 0 && errno != 0) 3643 fatal("bad number %s: %s", 3644 argv[i], strerror(errno)); 3645 } 3646 } 3647 if (os != NULL) { 3648 dump_dir(os); 3649 } else if (zopt_objects > 0 && !dump_opt['m']) { 3650 dump_dir(spa->spa_meta_objset); 3651 } else { 3652 dump_zpool(spa); 3653 } 3654 } else { 3655 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 3656 flagbits['c'] = ZDB_FLAG_CHECKSUM; 3657 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 3658 flagbits['e'] = ZDB_FLAG_BSWAP; 3659 flagbits['g'] = ZDB_FLAG_GBH; 3660 flagbits['i'] = ZDB_FLAG_INDIRECT; 3661 flagbits['p'] = ZDB_FLAG_PHYS; 3662 flagbits['r'] = ZDB_FLAG_RAW; 3663 3664 for (i = 0; i < argc; i++) 3665 zdb_read_block(argv[i], spa); 3666 } 3667 3668 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 3669 3670 fuid_table_destroy(); 3671 sa_loaded = B_FALSE; 3672 3673 libzfs_fini(g_zfs); 3674 kernel_fini(); 3675 3676 return (0); 3677 } 3678