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