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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 #include <libzfs.h>
59
60 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
61 zio_compress_table[(idx)].ci_name : "UNKNOWN")
62 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
63 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
64 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \
65 dmu_ot[(idx)].ot_name : "UNKNOWN")
66 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : DMU_OT_NUMTYPES)
67
68 #ifndef lint
69 extern int zfs_recover;
70 #else
71 int zfs_recover;
72 #endif
73
74 const char cmdname[] = "zdb";
75 uint8_t dump_opt[256];
76
77 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
78
79 extern void dump_intent_log(zilog_t *);
80 uint64_t *zopt_object = NULL;
81 int zopt_objects = 0;
82 libzfs_handle_t *g_zfs;
83
84 /*
85 * These libumem hooks provide a reasonable set of defaults for the allocator's
86 * debugging facilities.
87 */
88 const char *
89 _umem_debug_init(void)
90 {
91 return ("default,verbose"); /* $UMEM_DEBUG setting */
92 }
93
94 const char *
95 _umem_logging_init(void)
96 {
97 return ("fail,contents"); /* $UMEM_LOGGING setting */
98 }
99
100 static void
101 usage(void)
102 {
103 (void) fprintf(stderr,
104 "Usage: %s [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]] "
105 "poolname [object...]\n"
106 " %s [-divPA] [-e -p path...] dataset [object...]\n"
107 " %s -m [-LXFPA] [-t txg] [-e [-p path...]] "
108 "poolname [vdev [metaslab...]]\n"
109 " %s -R [-A] [-e [-p path...]] poolname "
110 "vdev:offset:size[:flags]\n"
111 " %s -S [-PA] [-e [-p path...]] poolname\n"
112 " %s -l [-uA] device\n"
113 " %s -C [-A] [-U config]\n\n",
114 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
115
116 (void) fprintf(stderr, " Dataset name must include at least one "
117 "separator character '/' or '@'\n");
118 (void) fprintf(stderr, " If dataset name is specified, only that "
119 "dataset is dumped\n");
120 (void) fprintf(stderr, " If object numbers are specified, only "
121 "those objects are dumped\n\n");
122 (void) fprintf(stderr, " Options to control amount of output:\n");
123 (void) fprintf(stderr, " -u uberblock\n");
124 (void) fprintf(stderr, " -d dataset(s)\n");
125 (void) fprintf(stderr, " -i intent logs\n");
126 (void) fprintf(stderr, " -C config (or cachefile if alone)\n");
127 (void) fprintf(stderr, " -h pool history\n");
128 (void) fprintf(stderr, " -b block statistics\n");
129 (void) fprintf(stderr, " -m metaslabs\n");
130 (void) fprintf(stderr, " -c checksum all metadata (twice for "
131 "all data) blocks\n");
132 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
133 (void) fprintf(stderr, " -D dedup statistics\n");
134 (void) fprintf(stderr, " -S simulate dedup to measure effect\n");
135 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
136 (void) fprintf(stderr, " -l dump label contents\n");
137 (void) fprintf(stderr, " -L disable leak tracking (do not "
138 "load spacemaps)\n");
139 (void) fprintf(stderr, " -R read and display block from a "
140 "device\n\n");
141 (void) fprintf(stderr, " Below options are intended for use "
142 "with other options (except -l):\n");
143 (void) fprintf(stderr, " -A ignore assertions (-A), enable "
144 "panic recovery (-AA) or both (-AAA)\n");
145 (void) fprintf(stderr, " -F attempt automatic rewind within "
146 "safe range of transaction groups\n");
147 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
148 "cachefile\n");
149 (void) fprintf(stderr, " -X attempt extreme rewind (does not "
150 "work with dataset)\n");
151 (void) fprintf(stderr, " -e pool is exported/destroyed/"
152 "has altroot/not in a cachefile\n");
153 (void) fprintf(stderr, " -p <path> -- use one or more with "
154 "-e to specify path to vdev dir\n");
155 (void) fprintf(stderr, " -P print numbers in parseable form\n");
156 (void) fprintf(stderr, " -t <txg> -- highest txg to use when "
157 "searching for uberblocks\n");
158 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
159 "to make only that option verbose\n");
160 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
161 exit(1);
162 }
163
164 /*
165 * Called for usage errors that are discovered after a call to spa_open(),
166 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
167 */
168
169 static void
170 fatal(const char *fmt, ...)
171 {
172 va_list ap;
173
174 va_start(ap, fmt);
175 (void) fprintf(stderr, "%s: ", cmdname);
176 (void) vfprintf(stderr, fmt, ap);
177 va_end(ap);
178 (void) fprintf(stderr, "\n");
179
180 exit(1);
181 }
182
183 /* ARGSUSED */
184 static void
185 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
186 {
187 nvlist_t *nv;
188 size_t nvsize = *(uint64_t *)data;
189 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
190
191 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
192
193 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
194
195 umem_free(packed, nvsize);
196
197 dump_nvlist(nv, 8);
198
199 nvlist_free(nv);
200 }
201
202 static void
203 zdb_nicenum(uint64_t num, char *buf)
204 {
205 if (dump_opt['P'])
206 (void) sprintf(buf, "%llu", (longlong_t)num);
207 else
208 nicenum(num, buf);
209 }
210
211 const char dump_zap_stars[] = "****************************************";
212 const int dump_zap_width = sizeof (dump_zap_stars) - 1;
213
214 static void
215 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
216 {
217 int i;
218 int minidx = ZAP_HISTOGRAM_SIZE - 1;
219 int maxidx = 0;
220 uint64_t max = 0;
221
222 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
223 if (histo[i] > max)
224 max = histo[i];
225 if (histo[i] > 0 && i > maxidx)
226 maxidx = i;
227 if (histo[i] > 0 && i < minidx)
228 minidx = i;
229 }
230
231 if (max < dump_zap_width)
232 max = dump_zap_width;
233
234 for (i = minidx; i <= maxidx; i++)
235 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
236 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
237 }
238
239 static void
240 dump_zap_stats(objset_t *os, uint64_t object)
241 {
242 int error;
243 zap_stats_t zs;
244
245 error = zap_get_stats(os, object, &zs);
246 if (error)
247 return;
248
249 if (zs.zs_ptrtbl_len == 0) {
250 ASSERT(zs.zs_num_blocks == 1);
251 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
252 (u_longlong_t)zs.zs_blocksize,
253 (u_longlong_t)zs.zs_num_entries);
254 return;
255 }
256
257 (void) printf("\tFat ZAP stats:\n");
258
259 (void) printf("\t\tPointer table:\n");
260 (void) printf("\t\t\t%llu elements\n",
261 (u_longlong_t)zs.zs_ptrtbl_len);
262 (void) printf("\t\t\tzt_blk: %llu\n",
263 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
264 (void) printf("\t\t\tzt_numblks: %llu\n",
265 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
266 (void) printf("\t\t\tzt_shift: %llu\n",
267 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
268 (void) printf("\t\t\tzt_blks_copied: %llu\n",
269 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
270 (void) printf("\t\t\tzt_nextblk: %llu\n",
271 (u_longlong_t)zs.zs_ptrtbl_nextblk);
272
273 (void) printf("\t\tZAP entries: %llu\n",
274 (u_longlong_t)zs.zs_num_entries);
275 (void) printf("\t\tLeaf blocks: %llu\n",
276 (u_longlong_t)zs.zs_num_leafs);
277 (void) printf("\t\tTotal blocks: %llu\n",
278 (u_longlong_t)zs.zs_num_blocks);
279 (void) printf("\t\tzap_block_type: 0x%llx\n",
280 (u_longlong_t)zs.zs_block_type);
281 (void) printf("\t\tzap_magic: 0x%llx\n",
282 (u_longlong_t)zs.zs_magic);
283 (void) printf("\t\tzap_salt: 0x%llx\n",
284 (u_longlong_t)zs.zs_salt);
285
286 (void) printf("\t\tLeafs with 2^n pointers:\n");
287 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
288
289 (void) printf("\t\tBlocks with n*5 entries:\n");
290 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
291
292 (void) printf("\t\tBlocks n/10 full:\n");
293 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
294
295 (void) printf("\t\tEntries with n chunks:\n");
296 dump_zap_histogram(zs.zs_entries_using_n_chunks);
297
298 (void) printf("\t\tBuckets with n entries:\n");
299 dump_zap_histogram(zs.zs_buckets_with_n_entries);
300 }
301
302 /*ARGSUSED*/
303 static void
304 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
305 {
306 }
307
308 /*ARGSUSED*/
309 static void
310 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
311 {
312 (void) printf("\tUNKNOWN OBJECT TYPE\n");
313 }
314
315 /*ARGSUSED*/
316 void
317 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
318 {
319 }
320
321 /*ARGSUSED*/
322 static void
323 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
324 {
325 }
326
327 /*ARGSUSED*/
328 static void
329 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
330 {
331 zap_cursor_t zc;
332 zap_attribute_t attr;
333 void *prop;
334 int i;
335
336 dump_zap_stats(os, object);
337 (void) printf("\n");
338
339 for (zap_cursor_init(&zc, os, object);
340 zap_cursor_retrieve(&zc, &attr) == 0;
341 zap_cursor_advance(&zc)) {
342 (void) printf("\t\t%s = ", attr.za_name);
343 if (attr.za_num_integers == 0) {
344 (void) printf("\n");
345 continue;
346 }
347 prop = umem_zalloc(attr.za_num_integers *
348 attr.za_integer_length, UMEM_NOFAIL);
349 (void) zap_lookup(os, object, attr.za_name,
350 attr.za_integer_length, attr.za_num_integers, prop);
351 if (attr.za_integer_length == 1) {
352 (void) printf("%s", (char *)prop);
353 } else {
354 for (i = 0; i < attr.za_num_integers; i++) {
355 switch (attr.za_integer_length) {
356 case 2:
357 (void) printf("%u ",
358 ((uint16_t *)prop)[i]);
359 break;
360 case 4:
361 (void) printf("%u ",
362 ((uint32_t *)prop)[i]);
363 break;
364 case 8:
365 (void) printf("%lld ",
366 (u_longlong_t)((int64_t *)prop)[i]);
367 break;
368 }
369 }
370 }
371 (void) printf("\n");
372 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
373 }
374 zap_cursor_fini(&zc);
375 }
376
377 /*ARGSUSED*/
378 static void
379 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
380 {
381 dump_zap_stats(os, object);
382 /* contents are printed elsewhere, properly decoded */
383 }
384
385 /*ARGSUSED*/
386 static void
387 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
388 {
389 zap_cursor_t zc;
390 zap_attribute_t attr;
391
392 dump_zap_stats(os, object);
393 (void) printf("\n");
394
395 for (zap_cursor_init(&zc, os, object);
396 zap_cursor_retrieve(&zc, &attr) == 0;
397 zap_cursor_advance(&zc)) {
398 (void) printf("\t\t%s = ", attr.za_name);
399 if (attr.za_num_integers == 0) {
400 (void) printf("\n");
401 continue;
402 }
403 (void) printf(" %llx : [%d:%d:%d]\n",
404 (u_longlong_t)attr.za_first_integer,
405 (int)ATTR_LENGTH(attr.za_first_integer),
406 (int)ATTR_BSWAP(attr.za_first_integer),
407 (int)ATTR_NUM(attr.za_first_integer));
408 }
409 zap_cursor_fini(&zc);
410 }
411
412 /*ARGSUSED*/
413 static void
414 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
415 {
416 zap_cursor_t zc;
417 zap_attribute_t attr;
418 uint16_t *layout_attrs;
419 int i;
420
421 dump_zap_stats(os, object);
422 (void) printf("\n");
423
424 for (zap_cursor_init(&zc, os, object);
425 zap_cursor_retrieve(&zc, &attr) == 0;
426 zap_cursor_advance(&zc)) {
427 (void) printf("\t\t%s = [", attr.za_name);
428 if (attr.za_num_integers == 0) {
429 (void) printf("\n");
430 continue;
431 }
432
433 VERIFY(attr.za_integer_length == 2);
434 layout_attrs = umem_zalloc(attr.za_num_integers *
435 attr.za_integer_length, UMEM_NOFAIL);
436
437 VERIFY(zap_lookup(os, object, attr.za_name,
438 attr.za_integer_length,
439 attr.za_num_integers, layout_attrs) == 0);
440
441 for (i = 0; i != attr.za_num_integers; i++)
442 (void) printf(" %d ", (int)layout_attrs[i]);
443 (void) printf("]\n");
444 umem_free(layout_attrs,
445 attr.za_num_integers * attr.za_integer_length);
446 }
447 zap_cursor_fini(&zc);
448 }
449
450 /*ARGSUSED*/
451 static void
452 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
453 {
454 zap_cursor_t zc;
455 zap_attribute_t attr;
456 const char *typenames[] = {
457 /* 0 */ "not specified",
458 /* 1 */ "FIFO",
459 /* 2 */ "Character Device",
460 /* 3 */ "3 (invalid)",
461 /* 4 */ "Directory",
462 /* 5 */ "5 (invalid)",
463 /* 6 */ "Block Device",
464 /* 7 */ "7 (invalid)",
465 /* 8 */ "Regular File",
466 /* 9 */ "9 (invalid)",
467 /* 10 */ "Symbolic Link",
468 /* 11 */ "11 (invalid)",
469 /* 12 */ "Socket",
470 /* 13 */ "Door",
471 /* 14 */ "Event Port",
472 /* 15 */ "15 (invalid)",
473 };
474
475 dump_zap_stats(os, object);
476 (void) printf("\n");
477
478 for (zap_cursor_init(&zc, os, object);
479 zap_cursor_retrieve(&zc, &attr) == 0;
480 zap_cursor_advance(&zc)) {
481 (void) printf("\t\t%s = %lld (type: %s)\n",
482 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
483 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
484 }
485 zap_cursor_fini(&zc);
486 }
487
488 static void
489 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
490 {
491 uint64_t alloc, offset, entry;
492 uint8_t mapshift = sm->sm_shift;
493 uint64_t mapstart = sm->sm_start;
494 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
495 "INVALID", "INVALID", "INVALID", "INVALID" };
496
497 if (smo->smo_object == 0)
498 return;
499
500 /*
501 * Print out the freelist entries in both encoded and decoded form.
502 */
503 alloc = 0;
504 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
505 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset,
506 sizeof (entry), &entry, DMU_READ_PREFETCH));
507 if (SM_DEBUG_DECODE(entry)) {
508 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
509 (u_longlong_t)(offset / sizeof (entry)),
510 ddata[SM_DEBUG_ACTION_DECODE(entry)],
511 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
512 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
513 } else {
514 (void) printf("\t [%6llu] %c range:"
515 " %010llx-%010llx size: %06llx\n",
516 (u_longlong_t)(offset / sizeof (entry)),
517 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
518 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
519 mapshift) + mapstart),
520 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
521 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
522 mapshift)),
523 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
524 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
525 alloc += SM_RUN_DECODE(entry) << mapshift;
526 else
527 alloc -= SM_RUN_DECODE(entry) << mapshift;
528 }
529 }
530 if (alloc != smo->smo_alloc) {
531 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
532 "with space map summary (%llu)\n",
533 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
534 }
535 }
536
537 static void
538 dump_metaslab_stats(metaslab_t *msp)
539 {
540 char maxbuf[32];
541 space_map_t *sm = &msp->ms_map;
542 avl_tree_t *t = sm->sm_pp_root;
543 int free_pct = sm->sm_space * 100 / sm->sm_size;
544
545 zdb_nicenum(space_map_maxsize(sm), maxbuf);
546
547 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
548 "segments", avl_numnodes(t), "maxsize", maxbuf,
549 "freepct", free_pct);
550 }
551
552 static void
553 dump_metaslab(metaslab_t *msp)
554 {
555 vdev_t *vd = msp->ms_group->mg_vd;
556 spa_t *spa = vd->vdev_spa;
557 space_map_t *sm = &msp->ms_map;
558 space_map_obj_t *smo = &msp->ms_smo;
559 char freebuf[32];
560
561 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf);
562
563 (void) printf(
564 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
565 (u_longlong_t)(sm->sm_start / sm->sm_size),
566 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf);
567
568 if (dump_opt['m'] > 1 && !dump_opt['L']) {
569 mutex_enter(&msp->ms_lock);
570 space_map_load_wait(sm);
571 if (!sm->sm_loaded)
572 VERIFY(space_map_load(sm, zfs_metaslab_ops,
573 SM_FREE, smo, spa->spa_meta_objset) == 0);
574 dump_metaslab_stats(msp);
575 space_map_unload(sm);
576 mutex_exit(&msp->ms_lock);
577 }
578
579 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
580 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift));
581
582 mutex_enter(&msp->ms_lock);
583 dump_spacemap(spa->spa_meta_objset, smo, sm);
584 mutex_exit(&msp->ms_lock);
585 }
586 }
587
588 static void
589 print_vdev_metaslab_header(vdev_t *vd)
590 {
591 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
592 (u_longlong_t)vd->vdev_id,
593 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
594 "offset", "spacemap", "free");
595 (void) printf("\t%15s %19s %15s %10s\n",
596 "---------------", "-------------------",
597 "---------------", "-------------");
598 }
599
600 static void
601 dump_metaslabs(spa_t *spa)
602 {
603 vdev_t *vd, *rvd = spa->spa_root_vdev;
604 uint64_t m, c = 0, children = rvd->vdev_children;
605
606 (void) printf("\nMetaslabs:\n");
607
608 if (!dump_opt['d'] && zopt_objects > 0) {
609 c = zopt_object[0];
610
611 if (c >= children)
612 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
613
614 if (zopt_objects > 1) {
615 vd = rvd->vdev_child[c];
616 print_vdev_metaslab_header(vd);
617
618 for (m = 1; m < zopt_objects; m++) {
619 if (zopt_object[m] < vd->vdev_ms_count)
620 dump_metaslab(
621 vd->vdev_ms[zopt_object[m]]);
622 else
623 (void) fprintf(stderr, "bad metaslab "
624 "number %llu\n",
625 (u_longlong_t)zopt_object[m]);
626 }
627 (void) printf("\n");
628 return;
629 }
630 children = c + 1;
631 }
632 for (; c < children; c++) {
633 vd = rvd->vdev_child[c];
634 print_vdev_metaslab_header(vd);
635
636 for (m = 0; m < vd->vdev_ms_count; m++)
637 dump_metaslab(vd->vdev_ms[m]);
638 (void) printf("\n");
639 }
640 }
641
642 static void
643 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
644 {
645 const ddt_phys_t *ddp = dde->dde_phys;
646 const ddt_key_t *ddk = &dde->dde_key;
647 char *types[4] = { "ditto", "single", "double", "triple" };
648 char blkbuf[BP_SPRINTF_LEN];
649 blkptr_t blk;
650 int p;
651
652 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
653 if (ddp->ddp_phys_birth == 0)
654 continue;
655 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
656 sprintf_blkptr(blkbuf, &blk);
657 (void) printf("index %llx refcnt %llu %s %s\n",
658 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
659 types[p], blkbuf);
660 }
661 }
662
663 static void
664 dump_dedup_ratio(const ddt_stat_t *dds)
665 {
666 double rL, rP, rD, D, dedup, compress, copies;
667
668 if (dds->dds_blocks == 0)
669 return;
670
671 rL = (double)dds->dds_ref_lsize;
672 rP = (double)dds->dds_ref_psize;
673 rD = (double)dds->dds_ref_dsize;
674 D = (double)dds->dds_dsize;
675
676 dedup = rD / D;
677 compress = rL / rP;
678 copies = rD / rP;
679
680 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
681 "dedup * compress / copies = %.2f\n\n",
682 dedup, compress, copies, dedup * compress / copies);
683 }
684
685 static void
686 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
687 {
688 char name[DDT_NAMELEN];
689 ddt_entry_t dde;
690 uint64_t walk = 0;
691 dmu_object_info_t doi;
692 uint64_t count, dspace, mspace;
693 int error;
694
695 error = ddt_object_info(ddt, type, class, &doi);
696
697 if (error == ENOENT)
698 return;
699 ASSERT(error == 0);
700
701 error = ddt_object_count(ddt, type, class, &count);
702 ASSERT(error == 0);
703 if (count == 0)
704 return;
705
706 dspace = doi.doi_physical_blocks_512 << 9;
707 mspace = doi.doi_fill_count * doi.doi_data_block_size;
708
709 ddt_object_name(ddt, type, class, name);
710
711 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
712 name,
713 (u_longlong_t)count,
714 (u_longlong_t)(dspace / count),
715 (u_longlong_t)(mspace / count));
716
717 if (dump_opt['D'] < 3)
718 return;
719
720 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
721
722 if (dump_opt['D'] < 4)
723 return;
724
725 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
726 return;
727
728 (void) printf("%s contents:\n\n", name);
729
730 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
731 dump_dde(ddt, &dde, walk);
732
733 ASSERT(error == ENOENT);
734
735 (void) printf("\n");
736 }
737
738 static void
739 dump_all_ddts(spa_t *spa)
740 {
741 ddt_histogram_t ddh_total;
742 ddt_stat_t dds_total;
743 enum zio_checksum c;
744 enum ddt_type type;
745 enum ddt_class class;
746
747 bzero(&ddh_total, sizeof (ddt_histogram_t));
748 bzero(&dds_total, sizeof (ddt_stat_t));
749
750 for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
751 ddt_t *ddt = spa->spa_ddt[c];
752 for (type = 0; type < DDT_TYPES; type++) {
753 for (class = 0; class < DDT_CLASSES;
754 class++) {
755 dump_ddt(ddt, type, class);
756 }
757 }
758 }
759
760 ddt_get_dedup_stats(spa, &dds_total);
761
762 if (dds_total.dds_blocks == 0) {
763 (void) printf("All DDTs are empty\n");
764 return;
765 }
766
767 (void) printf("\n");
768
769 if (dump_opt['D'] > 1) {
770 (void) printf("DDT histogram (aggregated over all DDTs):\n");
771 ddt_get_dedup_histogram(spa, &ddh_total);
772 zpool_dump_ddt(&dds_total, &ddh_total);
773 }
774
775 dump_dedup_ratio(&dds_total);
776 }
777
778 static void
779 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
780 {
781 char *prefix = (void *)sm;
782
783 (void) printf("%s [%llu,%llu) length %llu\n",
784 prefix,
785 (u_longlong_t)start,
786 (u_longlong_t)(start + size),
787 (u_longlong_t)(size));
788 }
789
790 static void
791 dump_dtl(vdev_t *vd, int indent)
792 {
793 spa_t *spa = vd->vdev_spa;
794 boolean_t required;
795 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
796 char prefix[256];
797 int c, t;
798
799 spa_vdev_state_enter(spa, SCL_NONE);
800 required = vdev_dtl_required(vd);
801 (void) spa_vdev_state_exit(spa, NULL, 0);
802
803 if (indent == 0)
804 (void) printf("\nDirty time logs:\n\n");
805
806 (void) printf("\t%*s%s [%s]\n", indent, "",
807 vd->vdev_path ? vd->vdev_path :
808 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
809 required ? "DTL-required" : "DTL-expendable");
810
811 for (t = 0; t < DTL_TYPES; t++) {
812 space_map_t *sm = &vd->vdev_dtl[t];
813 if (sm->sm_space == 0)
814 continue;
815 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
816 indent + 2, "", name[t]);
817 mutex_enter(sm->sm_lock);
818 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
819 mutex_exit(sm->sm_lock);
820 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
821 dump_spacemap(spa->spa_meta_objset,
822 &vd->vdev_dtl_smo, sm);
823 }
824
825 for (c = 0; c < vd->vdev_children; c++)
826 dump_dtl(vd->vdev_child[c], indent + 4);
827 }
828
829 static void
830 dump_history(spa_t *spa)
831 {
832 nvlist_t **events = NULL;
833 char buf[SPA_MAXBLOCKSIZE];
834 uint64_t resid, len, off = 0;
835 uint_t num = 0;
836 int error;
837 time_t tsec;
838 struct tm t;
839 char tbuf[30];
840 char internalstr[MAXPATHLEN];
841 int i;
842
843 do {
844 len = sizeof (buf);
845
846 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
847 (void) fprintf(stderr, "Unable to read history: "
848 "error %d\n", error);
849 return;
850 }
851
852 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
853 break;
854
855 off -= resid;
856 } while (len != 0);
857
858 (void) printf("\nHistory:\n");
859 for (i = 0; i < num; i++) {
860 uint64_t time, txg, ievent;
861 char *cmd, *intstr;
862
863 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
864 &time) != 0)
865 continue;
866 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
867 &cmd) != 0) {
868 if (nvlist_lookup_uint64(events[i],
869 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
870 continue;
871 verify(nvlist_lookup_uint64(events[i],
872 ZPOOL_HIST_TXG, &txg) == 0);
873 verify(nvlist_lookup_string(events[i],
874 ZPOOL_HIST_INT_STR, &intstr) == 0);
875 if (ievent >= LOG_END)
876 continue;
877
878 (void) snprintf(internalstr,
879 sizeof (internalstr),
880 "[internal %s txg:%lld] %s",
881 zfs_history_event_names[ievent],
882 (longlong_t)txg, intstr);
883 cmd = internalstr;
884 }
885 tsec = time;
886 (void) localtime_r(&tsec, &t);
887 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
888 (void) printf("%s %s\n", tbuf, cmd);
889 }
890 }
891
892 /*ARGSUSED*/
893 static void
894 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
895 {
896 }
897
898 static uint64_t
899 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
900 {
901 if (dnp == NULL) {
902 ASSERT(zb->zb_level < 0);
903 if (zb->zb_object == 0)
904 return (zb->zb_blkid);
905 return (zb->zb_blkid * BP_GET_LSIZE(bp));
906 }
907
908 ASSERT(zb->zb_level >= 0);
909
910 return ((zb->zb_blkid <<
911 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
912 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
913 }
914
915 static void
916 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
917 {
918 const dva_t *dva = bp->blk_dva;
919 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
920 int i;
921
922 if (dump_opt['b'] >= 5) {
923 sprintf_blkptr(blkbuf, bp);
924 return;
925 }
926
927 blkbuf[0] = '\0';
928
929 for (i = 0; i < ndvas; i++)
930 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
931 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
932 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
933 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
934
935 (void) sprintf(blkbuf + strlen(blkbuf),
936 "%llxL/%llxP F=%llu B=%llu/%llu",
937 (u_longlong_t)BP_GET_LSIZE(bp),
938 (u_longlong_t)BP_GET_PSIZE(bp),
939 (u_longlong_t)bp->blk_fill,
940 (u_longlong_t)bp->blk_birth,
941 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
942 }
943
944 static void
945 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
946 const dnode_phys_t *dnp)
947 {
948 char blkbuf[BP_SPRINTF_LEN];
949 int l;
950
951 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
952 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
953
954 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
955
956 ASSERT(zb->zb_level >= 0);
957
958 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
959 if (l == zb->zb_level) {
960 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
961 } else {
962 (void) printf(" ");
963 }
964 }
965
966 sprintf_blkptr_compact(blkbuf, bp);
967 (void) printf("%s\n", blkbuf);
968 }
969
970 static int
971 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
972 blkptr_t *bp, const zbookmark_t *zb)
973 {
974 int err = 0;
975
976 if (bp->blk_birth == 0)
977 return (0);
978
979 print_indirect(bp, zb, dnp);
980
981 if (BP_GET_LEVEL(bp) > 0) {
982 uint32_t flags = ARC_WAIT;
983 int i;
984 blkptr_t *cbp;
985 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
986 arc_buf_t *buf;
987 uint64_t fill = 0;
988
989 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
990 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
991 if (err)
992 return (err);
993 ASSERT(buf->b_data);
994
995 /* recursively visit blocks below this */
996 cbp = buf->b_data;
997 for (i = 0; i < epb; i++, cbp++) {
998 zbookmark_t czb;
999
1000 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
1001 zb->zb_level - 1,
1002 zb->zb_blkid * epb + i);
1003 err = visit_indirect(spa, dnp, cbp, &czb);
1004 if (err)
1005 break;
1006 fill += cbp->blk_fill;
1007 }
1008 if (!err)
1009 ASSERT3U(fill, ==, bp->blk_fill);
1010 (void) arc_buf_remove_ref(buf, &buf);
1011 }
1012
1013 return (err);
1014 }
1015
1016 /*ARGSUSED*/
1017 static void
1018 dump_indirect(dnode_t *dn)
1019 {
1020 dnode_phys_t *dnp = dn->dn_phys;
1021 int j;
1022 zbookmark_t czb;
1023
1024 (void) printf("Indirect blocks:\n");
1025
1026 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
1027 dn->dn_object, dnp->dn_nlevels - 1, 0);
1028 for (j = 0; j < dnp->dn_nblkptr; j++) {
1029 czb.zb_blkid = j;
1030 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
1031 &dnp->dn_blkptr[j], &czb);
1032 }
1033
1034 (void) printf("\n");
1035 }
1036
1037 /*ARGSUSED*/
1038 static void
1039 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1040 {
1041 dsl_dir_phys_t *dd = data;
1042 time_t crtime;
1043 char nice[32];
1044
1045 if (dd == NULL)
1046 return;
1047
1048 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1049
1050 crtime = dd->dd_creation_time;
1051 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1052 (void) printf("\t\thead_dataset_obj = %llu\n",
1053 (u_longlong_t)dd->dd_head_dataset_obj);
1054 (void) printf("\t\tparent_dir_obj = %llu\n",
1055 (u_longlong_t)dd->dd_parent_obj);
1056 (void) printf("\t\torigin_obj = %llu\n",
1057 (u_longlong_t)dd->dd_origin_obj);
1058 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1059 (u_longlong_t)dd->dd_child_dir_zapobj);
1060 zdb_nicenum(dd->dd_used_bytes, nice);
1061 (void) printf("\t\tused_bytes = %s\n", nice);
1062 zdb_nicenum(dd->dd_compressed_bytes, nice);
1063 (void) printf("\t\tcompressed_bytes = %s\n", nice);
1064 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
1065 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
1066 zdb_nicenum(dd->dd_quota, nice);
1067 (void) printf("\t\tquota = %s\n", nice);
1068 zdb_nicenum(dd->dd_reserved, nice);
1069 (void) printf("\t\treserved = %s\n", nice);
1070 (void) printf("\t\tprops_zapobj = %llu\n",
1071 (u_longlong_t)dd->dd_props_zapobj);
1072 (void) printf("\t\tdeleg_zapobj = %llu\n",
1073 (u_longlong_t)dd->dd_deleg_zapobj);
1074 (void) printf("\t\tflags = %llx\n",
1075 (u_longlong_t)dd->dd_flags);
1076
1077 #define DO(which) \
1078 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1079 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1080 DO(HEAD);
1081 DO(SNAP);
1082 DO(CHILD);
1083 DO(CHILD_RSRV);
1084 DO(REFRSRV);
1085 #undef DO
1086 }
1087
1088 /*ARGSUSED*/
1089 static void
1090 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1091 {
1092 dsl_dataset_phys_t *ds = data;
1093 time_t crtime;
1094 char used[32], compressed[32], uncompressed[32], unique[32];
1095 char blkbuf[BP_SPRINTF_LEN];
1096
1097 if (ds == NULL)
1098 return;
1099
1100 ASSERT(size == sizeof (*ds));
1101 crtime = ds->ds_creation_time;
1102 zdb_nicenum(ds->ds_used_bytes, used);
1103 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1104 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1105 zdb_nicenum(ds->ds_unique_bytes, unique);
1106 sprintf_blkptr(blkbuf, &ds->ds_bp);
1107
1108 (void) printf("\t\tdir_obj = %llu\n",
1109 (u_longlong_t)ds->ds_dir_obj);
1110 (void) printf("\t\tprev_snap_obj = %llu\n",
1111 (u_longlong_t)ds->ds_prev_snap_obj);
1112 (void) printf("\t\tprev_snap_txg = %llu\n",
1113 (u_longlong_t)ds->ds_prev_snap_txg);
1114 (void) printf("\t\tnext_snap_obj = %llu\n",
1115 (u_longlong_t)ds->ds_next_snap_obj);
1116 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1117 (u_longlong_t)ds->ds_snapnames_zapobj);
1118 (void) printf("\t\tnum_children = %llu\n",
1119 (u_longlong_t)ds->ds_num_children);
1120 (void) printf("\t\tuserrefs_obj = %llu\n",
1121 (u_longlong_t)ds->ds_userrefs_obj);
1122 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1123 (void) printf("\t\tcreation_txg = %llu\n",
1124 (u_longlong_t)ds->ds_creation_txg);
1125 (void) printf("\t\tdeadlist_obj = %llu\n",
1126 (u_longlong_t)ds->ds_deadlist_obj);
1127 (void) printf("\t\tused_bytes = %s\n", used);
1128 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1129 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1130 (void) printf("\t\tunique = %s\n", unique);
1131 (void) printf("\t\tfsid_guid = %llu\n",
1132 (u_longlong_t)ds->ds_fsid_guid);
1133 (void) printf("\t\tguid = %llu\n",
1134 (u_longlong_t)ds->ds_guid);
1135 (void) printf("\t\tflags = %llx\n",
1136 (u_longlong_t)ds->ds_flags);
1137 (void) printf("\t\tnext_clones_obj = %llu\n",
1138 (u_longlong_t)ds->ds_next_clones_obj);
1139 (void) printf("\t\tprops_obj = %llu\n",
1140 (u_longlong_t)ds->ds_props_obj);
1141 (void) printf("\t\tbp = %s\n", blkbuf);
1142 }
1143
1144 /* ARGSUSED */
1145 static int
1146 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1147 {
1148 char blkbuf[BP_SPRINTF_LEN];
1149
1150 ASSERT(bp->blk_birth != 0);
1151 sprintf_blkptr_compact(blkbuf, bp);
1152 (void) printf("\t%s\n", blkbuf);
1153 return (0);
1154 }
1155
1156 static void
1157 dump_bpobj(bpobj_t *bpo, char *name)
1158 {
1159 char bytes[32];
1160 char comp[32];
1161 char uncomp[32];
1162
1163 if (dump_opt['d'] < 3)
1164 return;
1165
1166 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
1167 if (bpo->bpo_havesubobj) {
1168 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1169 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
1170 (void) printf("\n %s: %llu local blkptrs, %llu subobjs, "
1171 "%s (%s/%s comp)\n",
1172 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1173 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1174 bytes, comp, uncomp);
1175 } else {
1176 (void) printf("\n %s: %llu blkptrs, %s\n",
1177 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, bytes);
1178 }
1179
1180 if (dump_opt['d'] < 5)
1181 return;
1182
1183 (void) printf("\n");
1184
1185 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1186 }
1187
1188 static void
1189 dump_deadlist(dsl_deadlist_t *dl)
1190 {
1191 dsl_deadlist_entry_t *dle;
1192 char bytes[32];
1193 char comp[32];
1194 char uncomp[32];
1195
1196 if (dump_opt['d'] < 3)
1197 return;
1198
1199 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1200 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1201 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1202 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1203 bytes, comp, uncomp);
1204
1205 if (dump_opt['d'] < 4)
1206 return;
1207
1208 (void) printf("\n");
1209
1210 for (dle = avl_first(&dl->dl_tree); dle;
1211 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1212 (void) printf(" mintxg %llu -> obj %llu\n",
1213 (longlong_t)dle->dle_mintxg,
1214 (longlong_t)dle->dle_bpobj.bpo_object);
1215
1216 if (dump_opt['d'] >= 5)
1217 dump_bpobj(&dle->dle_bpobj, "");
1218 }
1219 }
1220
1221 static avl_tree_t idx_tree;
1222 static avl_tree_t domain_tree;
1223 static boolean_t fuid_table_loaded;
1224 static boolean_t sa_loaded;
1225 sa_attr_type_t *sa_attr_table;
1226
1227 static void
1228 fuid_table_destroy(void)
1229 {
1230 if (fuid_table_loaded) {
1231 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1232 fuid_table_loaded = B_FALSE;
1233 }
1234 }
1235
1236 /*
1237 * print uid or gid information.
1238 * For normal POSIX id just the id is printed in decimal format.
1239 * For CIFS files with FUID the fuid is printed in hex followed by
1240 * the doman-rid string.
1241 */
1242 static void
1243 print_idstr(uint64_t id, const char *id_type)
1244 {
1245 if (FUID_INDEX(id)) {
1246 char *domain;
1247
1248 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1249 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1250 (u_longlong_t)id, domain, (int)FUID_RID(id));
1251 } else {
1252 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1253 }
1254
1255 }
1256
1257 static void
1258 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
1259 {
1260 uint32_t uid_idx, gid_idx;
1261
1262 uid_idx = FUID_INDEX(uid);
1263 gid_idx = FUID_INDEX(gid);
1264
1265 /* Load domain table, if not already loaded */
1266 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1267 uint64_t fuid_obj;
1268
1269 /* first find the fuid object. It lives in the master node */
1270 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1271 8, 1, &fuid_obj) == 0);
1272 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1273 (void) zfs_fuid_table_load(os, fuid_obj,
1274 &idx_tree, &domain_tree);
1275 fuid_table_loaded = B_TRUE;
1276 }
1277
1278 print_idstr(uid, "uid");
1279 print_idstr(gid, "gid");
1280 }
1281
1282 /*ARGSUSED*/
1283 static void
1284 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1285 {
1286 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
1287 sa_handle_t *hdl;
1288 uint64_t xattr, rdev, gen;
1289 uint64_t uid, gid, mode, fsize, parent, links;
1290 uint64_t pflags;
1291 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1292 time_t z_crtime, z_atime, z_mtime, z_ctime;
1293 sa_bulk_attr_t bulk[12];
1294 int idx = 0;
1295 int error;
1296
1297 if (!sa_loaded) {
1298 uint64_t sa_attrs = 0;
1299 uint64_t version;
1300
1301 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1302 8, 1, &version) == 0);
1303 if (version >= ZPL_VERSION_SA) {
1304 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1305 8, 1, &sa_attrs) == 0);
1306 }
1307 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1308 ZPL_END, &sa_attr_table)) != 0) {
1309 (void) printf("sa_setup failed errno %d, can't "
1310 "display znode contents\n", error);
1311 return;
1312 }
1313 sa_loaded = B_TRUE;
1314 }
1315
1316 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1317 (void) printf("Failed to get handle for SA znode\n");
1318 return;
1319 }
1320
1321 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1322 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1323 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1324 &links, 8);
1325 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1326 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1327 &mode, 8);
1328 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1329 NULL, &parent, 8);
1330 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1331 &fsize, 8);
1332 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1333 acctm, 16);
1334 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1335 modtm, 16);
1336 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1337 crtm, 16);
1338 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1339 chgtm, 16);
1340 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1341 &pflags, 8);
1342
1343 if (sa_bulk_lookup(hdl, bulk, idx)) {
1344 (void) sa_handle_destroy(hdl);
1345 return;
1346 }
1347
1348 error = zfs_obj_to_path(os, object, path, sizeof (path));
1349 if (error != 0) {
1350 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1351 (u_longlong_t)object);
1352 }
1353 if (dump_opt['d'] < 3) {
1354 (void) printf("\t%s\n", path);
1355 (void) sa_handle_destroy(hdl);
1356 return;
1357 }
1358
1359 z_crtime = (time_t)crtm[0];
1360 z_atime = (time_t)acctm[0];
1361 z_mtime = (time_t)modtm[0];
1362 z_ctime = (time_t)chgtm[0];
1363
1364 (void) printf("\tpath %s\n", path);
1365 dump_uidgid(os, uid, gid);
1366 (void) printf("\tatime %s", ctime(&z_atime));
1367 (void) printf("\tmtime %s", ctime(&z_mtime));
1368 (void) printf("\tctime %s", ctime(&z_ctime));
1369 (void) printf("\tcrtime %s", ctime(&z_crtime));
1370 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1371 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1372 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1373 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1374 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1375 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1376 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1377 sizeof (uint64_t)) == 0)
1378 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1379 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1380 sizeof (uint64_t)) == 0)
1381 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1382 sa_handle_destroy(hdl);
1383 }
1384
1385 /*ARGSUSED*/
1386 static void
1387 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1388 {
1389 }
1390
1391 /*ARGSUSED*/
1392 static void
1393 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1394 {
1395 }
1396
1397 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1398 dump_none, /* unallocated */
1399 dump_zap, /* object directory */
1400 dump_uint64, /* object array */
1401 dump_none, /* packed nvlist */
1402 dump_packed_nvlist, /* packed nvlist size */
1403 dump_none, /* bplist */
1404 dump_none, /* bplist header */
1405 dump_none, /* SPA space map header */
1406 dump_none, /* SPA space map */
1407 dump_none, /* ZIL intent log */
1408 dump_dnode, /* DMU dnode */
1409 dump_dmu_objset, /* DMU objset */
1410 dump_dsl_dir, /* DSL directory */
1411 dump_zap, /* DSL directory child map */
1412 dump_zap, /* DSL dataset snap map */
1413 dump_zap, /* DSL props */
1414 dump_dsl_dataset, /* DSL dataset */
1415 dump_znode, /* ZFS znode */
1416 dump_acl, /* ZFS V0 ACL */
1417 dump_uint8, /* ZFS plain file */
1418 dump_zpldir, /* ZFS directory */
1419 dump_zap, /* ZFS master node */
1420 dump_zap, /* ZFS delete queue */
1421 dump_uint8, /* zvol object */
1422 dump_zap, /* zvol prop */
1423 dump_uint8, /* other uint8[] */
1424 dump_uint64, /* other uint64[] */
1425 dump_zap, /* other ZAP */
1426 dump_zap, /* persistent error log */
1427 dump_uint8, /* SPA history */
1428 dump_uint64, /* SPA history offsets */
1429 dump_zap, /* Pool properties */
1430 dump_zap, /* DSL permissions */
1431 dump_acl, /* ZFS ACL */
1432 dump_uint8, /* ZFS SYSACL */
1433 dump_none, /* FUID nvlist */
1434 dump_packed_nvlist, /* FUID nvlist size */
1435 dump_zap, /* DSL dataset next clones */
1436 dump_zap, /* DSL scrub queue */
1437 dump_zap, /* ZFS user/group used */
1438 dump_zap, /* ZFS user/group quota */
1439 dump_zap, /* snapshot refcount tags */
1440 dump_ddt_zap, /* DDT ZAP object */
1441 dump_zap, /* DDT statistics */
1442 dump_znode, /* SA object */
1443 dump_zap, /* SA Master Node */
1444 dump_sa_attrs, /* SA attribute registration */
1445 dump_sa_layouts, /* SA attribute layouts */
1446 dump_zap, /* DSL scrub translations */
1447 dump_none, /* fake dedup BP */
1448 dump_zap, /* deadlist */
1449 dump_none, /* deadlist hdr */
1450 dump_zap, /* dsl clones */
1451 dump_none, /* bpobj subobjs */
1452 dump_unknown, /* Unknown type, must be last */
1453 };
1454
1455 static void
1456 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1457 {
1458 dmu_buf_t *db = NULL;
1459 dmu_object_info_t doi;
1460 dnode_t *dn;
1461 void *bonus = NULL;
1462 size_t bsize = 0;
1463 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1464 char bonus_size[32];
1465 char aux[50];
1466 int error;
1467
1468 if (*print_header) {
1469 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1470 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1471 "%full", "type");
1472 *print_header = 0;
1473 }
1474
1475 if (object == 0) {
1476 dn = DMU_META_DNODE(os);
1477 } else {
1478 error = dmu_bonus_hold(os, object, FTAG, &db);
1479 if (error)
1480 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1481 object, error);
1482 bonus = db->db_data;
1483 bsize = db->db_size;
1484 dn = DB_DNODE((dmu_buf_impl_t *)db);
1485 }
1486 dmu_object_info_from_dnode(dn, &doi);
1487
1488 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1489 zdb_nicenum(doi.doi_data_block_size, dblk);
1490 zdb_nicenum(doi.doi_max_offset, lsize);
1491 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1492 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1493 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1494 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1495 doi.doi_max_offset);
1496
1497 aux[0] = '\0';
1498
1499 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1500 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1501 ZDB_CHECKSUM_NAME(doi.doi_checksum));
1502 }
1503
1504 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1505 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1506 ZDB_COMPRESS_NAME(doi.doi_compress));
1507 }
1508
1509 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1510 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1511 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
1512
1513 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1514 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1515 "", "", "", "", "", bonus_size, "bonus",
1516 ZDB_OT_NAME(doi.doi_bonus_type));
1517 }
1518
1519 if (verbosity >= 4) {
1520 (void) printf("\tdnode flags: %s%s%s\n",
1521 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1522 "USED_BYTES " : "",
1523 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
1524 "USERUSED_ACCOUNTED " : "",
1525 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1526 "SPILL_BLKPTR" : "");
1527 (void) printf("\tdnode maxblkid: %llu\n",
1528 (longlong_t)dn->dn_phys->dn_maxblkid);
1529
1530 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1531 bonus, bsize);
1532 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
1533 *print_header = 1;
1534 }
1535
1536 if (verbosity >= 5)
1537 dump_indirect(dn);
1538
1539 if (verbosity >= 5) {
1540 /*
1541 * Report the list of segments that comprise the object.
1542 */
1543 uint64_t start = 0;
1544 uint64_t end;
1545 uint64_t blkfill = 1;
1546 int minlvl = 1;
1547
1548 if (dn->dn_type == DMU_OT_DNODE) {
1549 minlvl = 0;
1550 blkfill = DNODES_PER_BLOCK;
1551 }
1552
1553 for (;;) {
1554 char segsize[32];
1555 error = dnode_next_offset(dn,
1556 0, &start, minlvl, blkfill, 0);
1557 if (error)
1558 break;
1559 end = start;
1560 error = dnode_next_offset(dn,
1561 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1562 zdb_nicenum(end - start, segsize);
1563 (void) printf("\t\tsegment [%016llx, %016llx)"
1564 " size %5s\n", (u_longlong_t)start,
1565 (u_longlong_t)end, segsize);
1566 if (error)
1567 break;
1568 start = end;
1569 }
1570 }
1571
1572 if (db != NULL)
1573 dmu_buf_rele(db, FTAG);
1574 }
1575
1576 static char *objset_types[DMU_OST_NUMTYPES] = {
1577 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1578
1579 static void
1580 dump_dir(objset_t *os)
1581 {
1582 dmu_objset_stats_t dds;
1583 uint64_t object, object_count;
1584 uint64_t refdbytes, usedobjs, scratch;
1585 char numbuf[32];
1586 char blkbuf[BP_SPRINTF_LEN + 20];
1587 char osname[MAXNAMELEN];
1588 char *type = "UNKNOWN";
1589 int verbosity = dump_opt['d'];
1590 int print_header = 1;
1591 int i, error;
1592
1593 dmu_objset_fast_stat(os, &dds);
1594
1595 if (dds.dds_type < DMU_OST_NUMTYPES)
1596 type = objset_types[dds.dds_type];
1597
1598 if (dds.dds_type == DMU_OST_META) {
1599 dds.dds_creation_txg = TXG_INITIAL;
1600 usedobjs = os->os_rootbp->blk_fill;
1601 refdbytes = os->os_spa->spa_dsl_pool->
1602 dp_mos_dir->dd_phys->dd_used_bytes;
1603 } else {
1604 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1605 }
1606
1607 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
1608
1609 zdb_nicenum(refdbytes, numbuf);
1610
1611 if (verbosity >= 4) {
1612 (void) sprintf(blkbuf, ", rootbp ");
1613 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
1614 } else {
1615 blkbuf[0] = '\0';
1616 }
1617
1618 dmu_objset_name(os, osname);
1619
1620 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1621 "%s, %llu objects%s\n",
1622 osname, type, (u_longlong_t)dmu_objset_id(os),
1623 (u_longlong_t)dds.dds_creation_txg,
1624 numbuf, (u_longlong_t)usedobjs, blkbuf);
1625
1626 if (zopt_objects != 0) {
1627 for (i = 0; i < zopt_objects; i++)
1628 dump_object(os, zopt_object[i], verbosity,
1629 &print_header);
1630 (void) printf("\n");
1631 return;
1632 }
1633
1634 if (dump_opt['i'] != 0 || verbosity >= 2)
1635 dump_intent_log(dmu_objset_zil(os));
1636
1637 if (dmu_objset_ds(os) != NULL)
1638 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1639
1640 if (verbosity < 2)
1641 return;
1642
1643 if (os->os_rootbp->blk_birth == 0)
1644 return;
1645
1646 dump_object(os, 0, verbosity, &print_header);
1647 object_count = 0;
1648 if (DMU_USERUSED_DNODE(os) != NULL &&
1649 DMU_USERUSED_DNODE(os)->dn_type != 0) {
1650 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1651 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1652 }
1653
1654 object = 0;
1655 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1656 dump_object(os, object, verbosity, &print_header);
1657 object_count++;
1658 }
1659
1660 ASSERT3U(object_count, ==, usedobjs);
1661
1662 (void) printf("\n");
1663
1664 if (error != ESRCH) {
1665 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1666 abort();
1667 }
1668 }
1669
1670 static void
1671 dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
1672 {
1673 time_t timestamp = ub->ub_timestamp;
1674
1675 (void) printf("%s", header ? header : "");
1676 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1677 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1678 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1679 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1680 (void) printf("\ttimestamp = %llu UTC = %s",
1681 (u_longlong_t)ub->ub_timestamp, asctime(localtime(&timestamp)));
1682 if (dump_opt['u'] >= 3) {
1683 char blkbuf[BP_SPRINTF_LEN];
1684 sprintf_blkptr(blkbuf, &ub->ub_rootbp);
1685 (void) printf("\trootbp = %s\n", blkbuf);
1686 }
1687 (void) printf("%s", footer ? footer : "");
1688 }
1689
1690 static void
1691 dump_config(spa_t *spa)
1692 {
1693 dmu_buf_t *db;
1694 size_t nvsize = 0;
1695 int error = 0;
1696
1697
1698 error = dmu_bonus_hold(spa->spa_meta_objset,
1699 spa->spa_config_object, FTAG, &db);
1700
1701 if (error == 0) {
1702 nvsize = *(uint64_t *)db->db_data;
1703 dmu_buf_rele(db, FTAG);
1704
1705 (void) printf("\nMOS Configuration:\n");
1706 dump_packed_nvlist(spa->spa_meta_objset,
1707 spa->spa_config_object, (void *)&nvsize, 1);
1708 } else {
1709 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1710 (u_longlong_t)spa->spa_config_object, error);
1711 }
1712 }
1713
1714 static void
1715 dump_cachefile(const char *cachefile)
1716 {
1717 int fd;
1718 struct stat64 statbuf;
1719 char *buf;
1720 nvlist_t *config;
1721
1722 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1723 (void) printf("cannot open '%s': %s\n", cachefile,
1724 strerror(errno));
1725 exit(1);
1726 }
1727
1728 if (fstat64(fd, &statbuf) != 0) {
1729 (void) printf("failed to stat '%s': %s\n", cachefile,
1730 strerror(errno));
1731 exit(1);
1732 }
1733
1734 if ((buf = malloc(statbuf.st_size)) == NULL) {
1735 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1736 (u_longlong_t)statbuf.st_size);
1737 exit(1);
1738 }
1739
1740 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1741 (void) fprintf(stderr, "failed to read %llu bytes\n",
1742 (u_longlong_t)statbuf.st_size);
1743 exit(1);
1744 }
1745
1746 (void) close(fd);
1747
1748 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1749 (void) fprintf(stderr, "failed to unpack nvlist\n");
1750 exit(1);
1751 }
1752
1753 free(buf);
1754
1755 dump_nvlist(config, 0);
1756
1757 nvlist_free(config);
1758 }
1759
1760 #define ZDB_MAX_UB_HEADER_SIZE 32
1761
1762 static void
1763 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
1764 {
1765 vdev_t vd;
1766 vdev_t *vdp = &vd;
1767 char header[ZDB_MAX_UB_HEADER_SIZE];
1768 int i;
1769
1770 vd.vdev_ashift = ashift;
1771 vdp->vdev_top = vdp;
1772
1773 for (i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
1774 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
1775 uberblock_t *ub = (void *)((char *)lbl + uoff);
1776
1777 if (uberblock_verify(ub))
1778 continue;
1779 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
1780 "Uberblock[%d]\n", i);
1781 dump_uberblock(ub, header, "");
1782 }
1783 }
1784
1785 static void
1786 dump_label(const char *dev)
1787 {
1788 int fd;
1789 vdev_label_t label;
1790 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
1791 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1792 struct stat64 statbuf;
1793 uint64_t psize, ashift;
1794 int len = strlen(dev) + 1;
1795 int l;
1796
1797 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
1798 len++;
1799 path = malloc(len);
1800 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
1801 } else {
1802 path = strdup(dev);
1803 }
1804
1805 if ((fd = open64(path, O_RDONLY)) < 0) {
1806 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
1807 free(path);
1808 exit(1);
1809 }
1810
1811 if (fstat64_blk(fd, &statbuf) != 0) {
1812 (void) printf("failed to stat '%s': %s\n", path,
1813 strerror(errno));
1814 free(path);
1815 (void) close(fd);
1816 exit(1);
1817 }
1818
1819 psize = statbuf.st_size;
1820 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1821
1822 for (l = 0; l < VDEV_LABELS; l++) {
1823 nvlist_t *config = NULL;
1824
1825 (void) printf("--------------------------------------------\n");
1826 (void) printf("LABEL %d\n", l);
1827 (void) printf("--------------------------------------------\n");
1828
1829 if (pread64(fd, &label, sizeof (label),
1830 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1831 (void) printf("failed to read label %d\n", l);
1832 continue;
1833 }
1834
1835 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1836 (void) printf("failed to unpack label %d\n", l);
1837 ashift = SPA_MINBLOCKSHIFT;
1838 } else {
1839 nvlist_t *vdev_tree = NULL;
1840
1841 dump_nvlist(config, 4);
1842 if ((nvlist_lookup_nvlist(config,
1843 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
1844 (nvlist_lookup_uint64(vdev_tree,
1845 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
1846 ashift = SPA_MINBLOCKSHIFT;
1847 nvlist_free(config);
1848 }
1849 if (dump_opt['u'])
1850 dump_label_uberblocks(&label, ashift);
1851 }
1852
1853 free(path);
1854 (void) close(fd);
1855 }
1856
1857 /*ARGSUSED*/
1858 static int
1859 dump_one_dir(const char *dsname, void *arg)
1860 {
1861 int error;
1862 objset_t *os;
1863
1864 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
1865 if (error) {
1866 (void) printf("Could not open %s, error %d\n", dsname, error);
1867 return (0);
1868 }
1869 dump_dir(os);
1870 dmu_objset_disown(os, FTAG);
1871 fuid_table_destroy();
1872 sa_loaded = B_FALSE;
1873 return (0);
1874 }
1875
1876 /*
1877 * Block statistics.
1878 */
1879 typedef struct zdb_blkstats {
1880 uint64_t zb_asize;
1881 uint64_t zb_lsize;
1882 uint64_t zb_psize;
1883 uint64_t zb_count;
1884 } zdb_blkstats_t;
1885
1886 /*
1887 * Extended object types to report deferred frees and dedup auto-ditto blocks.
1888 */
1889 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
1890 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
1891 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2)
1892
1893 static char *zdb_ot_extname[] = {
1894 "deferred free",
1895 "dedup ditto",
1896 "Total",
1897 };
1898
1899 #define ZB_TOTAL DN_MAX_LEVELS
1900
1901 typedef struct zdb_cb {
1902 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
1903 uint64_t zcb_dedup_asize;
1904 uint64_t zcb_dedup_blocks;
1905 uint64_t zcb_errors[256];
1906 int zcb_readfails;
1907 int zcb_haderrors;
1908 spa_t *zcb_spa;
1909 } zdb_cb_t;
1910
1911 static void
1912 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
1913 dmu_object_type_t type)
1914 {
1915 uint64_t refcnt = 0;
1916 int i;
1917
1918 ASSERT(type < ZDB_OT_TOTAL);
1919
1920 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
1921 return;
1922
1923 for (i = 0; i < 4; i++) {
1924 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1925 int t = (i & 1) ? type : ZDB_OT_TOTAL;
1926 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1927
1928 zb->zb_asize += BP_GET_ASIZE(bp);
1929 zb->zb_lsize += BP_GET_LSIZE(bp);
1930 zb->zb_psize += BP_GET_PSIZE(bp);
1931 zb->zb_count++;
1932 }
1933
1934 if (dump_opt['L'])
1935 return;
1936
1937 if (BP_GET_DEDUP(bp)) {
1938 ddt_t *ddt;
1939 ddt_entry_t *dde;
1940
1941 ddt = ddt_select(zcb->zcb_spa, bp);
1942 ddt_enter(ddt);
1943 dde = ddt_lookup(ddt, bp, B_FALSE);
1944
1945 if (dde == NULL) {
1946 refcnt = 0;
1947 } else {
1948 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
1949 ddt_phys_decref(ddp);
1950 refcnt = ddp->ddp_refcnt;
1951 if (ddt_phys_total_refcnt(dde) == 0)
1952 ddt_remove(ddt, dde);
1953 }
1954 ddt_exit(ddt);
1955 }
1956
1957 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
1958 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
1959 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
1960 }
1961
1962 /* ARGSUSED */
1963 static int
1964 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
1965 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
1966 {
1967 zdb_cb_t *zcb = arg;
1968 char blkbuf[BP_SPRINTF_LEN];
1969 dmu_object_type_t type;
1970 boolean_t is_metadata;
1971
1972 if (bp == NULL)
1973 return (0);
1974
1975 type = BP_GET_TYPE(bp);
1976
1977 zdb_count_block(zcb, zilog, bp, type);
1978
1979 is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata);
1980
1981 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
1982 int ioerr;
1983 size_t size = BP_GET_PSIZE(bp);
1984 void *data = malloc(size);
1985 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
1986
1987 /* If it's an intent log block, failure is expected. */
1988 if (zb->zb_level == ZB_ZIL_LEVEL)
1989 flags |= ZIO_FLAG_SPECULATIVE;
1990
1991 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
1992 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
1993
1994 free(data);
1995
1996 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
1997 zcb->zcb_haderrors = 1;
1998 zcb->zcb_errors[ioerr]++;
1999
2000 if (dump_opt['b'] >= 2)
2001 sprintf_blkptr(blkbuf, bp);
2002 else
2003 blkbuf[0] = '\0';
2004
2005 (void) printf("zdb_blkptr_cb: "
2006 "Got error %d reading "
2007 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2008 ioerr,
2009 (u_longlong_t)zb->zb_objset,
2010 (u_longlong_t)zb->zb_object,
2011 (u_longlong_t)zb->zb_level,
2012 (u_longlong_t)zb->zb_blkid,
2013 blkbuf);
2014 }
2015 }
2016
2017 zcb->zcb_readfails = 0;
2018
2019 if (dump_opt['b'] >= 4) {
2020 sprintf_blkptr(blkbuf, bp);
2021 (void) printf("objset %llu object %llu "
2022 "level %lld offset 0x%llx %s\n",
2023 (u_longlong_t)zb->zb_objset,
2024 (u_longlong_t)zb->zb_object,
2025 (longlong_t)zb->zb_level,
2026 (u_longlong_t)blkid2offset(dnp, bp, zb),
2027 blkbuf);
2028 }
2029
2030 return (0);
2031 }
2032
2033 static void
2034 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
2035 {
2036 vdev_t *vd = sm->sm_ppd;
2037
2038 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2039 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2040 }
2041
2042 /* ARGSUSED */
2043 static void
2044 zdb_space_map_load(space_map_t *sm)
2045 {
2046 }
2047
2048 static void
2049 zdb_space_map_unload(space_map_t *sm)
2050 {
2051 space_map_vacate(sm, zdb_leak, sm);
2052 }
2053
2054 /* ARGSUSED */
2055 static void
2056 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
2057 {
2058 }
2059
2060 static space_map_ops_t zdb_space_map_ops = {
2061 zdb_space_map_load,
2062 zdb_space_map_unload,
2063 NULL, /* alloc */
2064 zdb_space_map_claim,
2065 NULL, /* free */
2066 NULL /* maxsize */
2067 };
2068
2069 static void
2070 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2071 {
2072 ddt_bookmark_t ddb = { 0 };
2073 ddt_entry_t dde;
2074 int error;
2075 int p;
2076
2077 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2078 blkptr_t blk;
2079 ddt_phys_t *ddp = dde.dde_phys;
2080
2081 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2082 return;
2083
2084 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2085
2086 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
2087 if (ddp->ddp_phys_birth == 0)
2088 continue;
2089 ddt_bp_create(ddb.ddb_checksum,
2090 &dde.dde_key, ddp, &blk);
2091 if (p == DDT_PHYS_DITTO) {
2092 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2093 } else {
2094 zcb->zcb_dedup_asize +=
2095 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2096 zcb->zcb_dedup_blocks++;
2097 }
2098 }
2099 if (!dump_opt['L']) {
2100 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2101 ddt_enter(ddt);
2102 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2103 ddt_exit(ddt);
2104 }
2105 }
2106
2107 ASSERT(error == ENOENT);
2108 }
2109
2110 static void
2111 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2112 {
2113 zcb->zcb_spa = spa;
2114 int c, m;
2115
2116 if (!dump_opt['L']) {
2117 vdev_t *rvd = spa->spa_root_vdev;
2118 for (c = 0; c < rvd->vdev_children; c++) {
2119 vdev_t *vd = rvd->vdev_child[c];
2120 for (m = 0; m < vd->vdev_ms_count; m++) {
2121 metaslab_t *msp = vd->vdev_ms[m];
2122 mutex_enter(&msp->ms_lock);
2123 space_map_unload(&msp->ms_map);
2124 VERIFY(space_map_load(&msp->ms_map,
2125 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
2126 spa->spa_meta_objset) == 0);
2127 msp->ms_map.sm_ppd = vd;
2128 mutex_exit(&msp->ms_lock);
2129 }
2130 }
2131 }
2132
2133 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2134
2135 zdb_ddt_leak_init(spa, zcb);
2136
2137 spa_config_exit(spa, SCL_CONFIG, FTAG);
2138 }
2139
2140 static void
2141 zdb_leak_fini(spa_t *spa)
2142 {
2143 int c, m;
2144
2145 if (!dump_opt['L']) {
2146 vdev_t *rvd = spa->spa_root_vdev;
2147 for (c = 0; c < rvd->vdev_children; c++) {
2148 vdev_t *vd = rvd->vdev_child[c];
2149 for (m = 0; m < vd->vdev_ms_count; m++) {
2150 metaslab_t *msp = vd->vdev_ms[m];
2151 mutex_enter(&msp->ms_lock);
2152 space_map_unload(&msp->ms_map);
2153 mutex_exit(&msp->ms_lock);
2154 }
2155 }
2156 }
2157 }
2158
2159 /* ARGSUSED */
2160 static int
2161 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2162 {
2163 zdb_cb_t *zcb = arg;
2164
2165 if (dump_opt['b'] >= 4) {
2166 char blkbuf[BP_SPRINTF_LEN];
2167 sprintf_blkptr(blkbuf, bp);
2168 (void) printf("[%s] %s\n",
2169 "deferred free", blkbuf);
2170 }
2171 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2172 return (0);
2173 }
2174
2175 static int
2176 dump_block_stats(spa_t *spa)
2177 {
2178 zdb_cb_t zcb;
2179 zdb_blkstats_t *zb, *tzb;
2180 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2181 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
2182 int leaks = 0;
2183 int e;
2184
2185 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
2186 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2187 (dump_opt['c'] == 1) ? "metadata " : "",
2188 dump_opt['c'] ? "checksums " : "",
2189 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2190 !dump_opt['L'] ? "nothing leaked " : "");
2191
2192 /*
2193 * Load all space maps as SM_ALLOC maps, then traverse the pool
2194 * claiming each block we discover. If the pool is perfectly
2195 * consistent, the space maps will be empty when we're done.
2196 * Anything left over is a leak; any block we can't claim (because
2197 * it's not part of any space map) is a double allocation,
2198 * reference to a freed block, or an unclaimed log block.
2199 */
2200 bzero(&zcb, sizeof(zdb_cb_t));
2201 zdb_leak_init(spa, &zcb);
2202
2203 /*
2204 * If there's a deferred-free bplist, process that first.
2205 */
2206 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
2207 count_block_cb, &zcb, NULL);
2208 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
2209 count_block_cb, &zcb, NULL);
2210
2211 if (dump_opt['c'] > 1)
2212 flags |= TRAVERSE_PREFETCH_DATA;
2213
2214 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
2215
2216 if (zcb.zcb_haderrors) {
2217 (void) printf("\nError counts:\n\n");
2218 (void) printf("\t%5s %s\n", "errno", "count");
2219 for (e = 0; e < 256; e++) {
2220 if (zcb.zcb_errors[e] != 0) {
2221 (void) printf("\t%5d %llu\n",
2222 e, (u_longlong_t)zcb.zcb_errors[e]);
2223 }
2224 }
2225 }
2226
2227 /*
2228 * Report any leaked segments.
2229 */
2230 zdb_leak_fini(spa);
2231
2232 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
2233
2234 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2235 norm_space = metaslab_class_get_space(spa_normal_class(spa));
2236
2237 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2238 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
2239
2240 if (total_found == total_alloc) {
2241 if (!dump_opt['L'])
2242 (void) printf("\n\tNo leaks (block sum matches space"
2243 " maps exactly)\n");
2244 } else {
2245 (void) printf("block traversal size %llu != alloc %llu "
2246 "(%s %lld)\n",
2247 (u_longlong_t)total_found,
2248 (u_longlong_t)total_alloc,
2249 (dump_opt['L']) ? "unreachable" : "leaked",
2250 (longlong_t)(total_alloc - total_found));
2251 leaks = 1;
2252 }
2253
2254 if (tzb->zb_count == 0)
2255 return (2);
2256
2257 (void) printf("\n");
2258 (void) printf("\tbp count: %10llu\n",
2259 (u_longlong_t)tzb->zb_count);
2260 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2261 (u_longlong_t)tzb->zb_lsize,
2262 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
2263 (void) printf("\tbp physical: %10llu avg:"
2264 " %6llu compression: %6.2f\n",
2265 (u_longlong_t)tzb->zb_psize,
2266 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2267 (double)tzb->zb_lsize / tzb->zb_psize);
2268 (void) printf("\tbp allocated: %10llu avg:"
2269 " %6llu compression: %6.2f\n",
2270 (u_longlong_t)tzb->zb_asize,
2271 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2272 (double)tzb->zb_lsize / tzb->zb_asize);
2273 (void) printf("\tbp deduped: %10llu ref>1:"
2274 " %6llu deduplication: %6.2f\n",
2275 (u_longlong_t)zcb.zcb_dedup_asize,
2276 (u_longlong_t)zcb.zcb_dedup_blocks,
2277 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2278 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2279 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
2280
2281 if (dump_opt['b'] >= 2) {
2282 int l, t, level;
2283 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2284 "\t avg\t comp\t%%Total\tType\n");
2285
2286 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2287 char csize[32], lsize[32], psize[32], asize[32];
2288 char avg[32];
2289 char *typename;
2290
2291 if (t < DMU_OT_NUMTYPES)
2292 typename = dmu_ot[t].ot_name;
2293 else
2294 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
2295
2296 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2297 (void) printf("%6s\t%5s\t%5s\t%5s"
2298 "\t%5s\t%5s\t%6s\t%s\n",
2299 "-",
2300 "-",
2301 "-",
2302 "-",
2303 "-",
2304 "-",
2305 "-",
2306 typename);
2307 continue;
2308 }
2309
2310 for (l = ZB_TOTAL - 1; l >= -1; l--) {
2311 level = (l == -1 ? ZB_TOTAL : l);
2312 zb = &zcb.zcb_type[level][t];
2313
2314 if (zb->zb_asize == 0)
2315 continue;
2316
2317 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2318 continue;
2319
2320 if (level == 0 && zb->zb_asize ==
2321 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2322 continue;
2323
2324 zdb_nicenum(zb->zb_count, csize);
2325 zdb_nicenum(zb->zb_lsize, lsize);
2326 zdb_nicenum(zb->zb_psize, psize);
2327 zdb_nicenum(zb->zb_asize, asize);
2328 zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
2329
2330 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2331 "\t%5.2f\t%6.2f\t",
2332 csize, lsize, psize, asize, avg,
2333 (double)zb->zb_lsize / zb->zb_psize,
2334 100.0 * zb->zb_asize / tzb->zb_asize);
2335
2336 if (level == ZB_TOTAL)
2337 (void) printf("%s\n", typename);
2338 else
2339 (void) printf(" L%d %s\n",
2340 level, typename);
2341 }
2342 }
2343 }
2344
2345 (void) printf("\n");
2346
2347 if (leaks)
2348 return (2);
2349
2350 if (zcb.zcb_haderrors)
2351 return (3);
2352
2353 return (0);
2354 }
2355
2356 typedef struct zdb_ddt_entry {
2357 ddt_key_t zdde_key;
2358 uint64_t zdde_ref_blocks;
2359 uint64_t zdde_ref_lsize;
2360 uint64_t zdde_ref_psize;
2361 uint64_t zdde_ref_dsize;
2362 avl_node_t zdde_node;
2363 } zdb_ddt_entry_t;
2364
2365 /* ARGSUSED */
2366 static int
2367 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2368 arc_buf_t *pbuf, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2369 {
2370 avl_tree_t *t = arg;
2371 avl_index_t where;
2372 zdb_ddt_entry_t *zdde, zdde_search;
2373
2374 if (bp == NULL)
2375 return (0);
2376
2377 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2378 (void) printf("traversing objset %llu, %llu objects, "
2379 "%lu blocks so far\n",
2380 (u_longlong_t)zb->zb_objset,
2381 (u_longlong_t)bp->blk_fill,
2382 avl_numnodes(t));
2383 }
2384
2385 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
2386 BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata)
2387 return (0);
2388
2389 ddt_key_fill(&zdde_search.zdde_key, bp);
2390
2391 zdde = avl_find(t, &zdde_search, &where);
2392
2393 if (zdde == NULL) {
2394 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2395 zdde->zdde_key = zdde_search.zdde_key;
2396 avl_insert(t, zdde, where);
2397 }
2398
2399 zdde->zdde_ref_blocks += 1;
2400 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2401 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2402 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2403
2404 return (0);
2405 }
2406
2407 static void
2408 dump_simulated_ddt(spa_t *spa)
2409 {
2410 avl_tree_t t;
2411 void *cookie = NULL;
2412 zdb_ddt_entry_t *zdde;
2413 ddt_histogram_t ddh_total;
2414 ddt_stat_t dds_total;
2415
2416 bzero(&ddh_total, sizeof (ddt_histogram_t));
2417 bzero(&dds_total, sizeof (ddt_stat_t));
2418
2419 avl_create(&t, ddt_entry_compare,
2420 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2421
2422 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2423
2424 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2425 zdb_ddt_add_cb, &t);
2426
2427 spa_config_exit(spa, SCL_CONFIG, FTAG);
2428
2429 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2430 ddt_stat_t dds;
2431 uint64_t refcnt = zdde->zdde_ref_blocks;
2432 ASSERT(refcnt != 0);
2433
2434 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2435 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2436 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2437 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2438
2439 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2440 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2441 dds.dds_ref_psize = zdde->zdde_ref_psize;
2442 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2443
2444 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
2445
2446 umem_free(zdde, sizeof (*zdde));
2447 }
2448
2449 avl_destroy(&t);
2450
2451 ddt_histogram_stat(&dds_total, &ddh_total);
2452
2453 (void) printf("Simulated DDT histogram:\n");
2454
2455 zpool_dump_ddt(&dds_total, &ddh_total);
2456
2457 dump_dedup_ratio(&dds_total);
2458 }
2459
2460 static void
2461 dump_zpool(spa_t *spa)
2462 {
2463 dsl_pool_t *dp = spa_get_dsl(spa);
2464 int rc = 0;
2465
2466 if (dump_opt['S']) {
2467 dump_simulated_ddt(spa);
2468 return;
2469 }
2470
2471 if (!dump_opt['e'] && dump_opt['C'] > 1) {
2472 (void) printf("\nCached configuration:\n");
2473 dump_nvlist(spa->spa_config, 8);
2474 }
2475
2476 if (dump_opt['C'])
2477 dump_config(spa);
2478
2479 if (dump_opt['u'])
2480 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
2481
2482 if (dump_opt['D'])
2483 dump_all_ddts(spa);
2484
2485 if (dump_opt['d'] > 2 || dump_opt['m'])
2486 dump_metaslabs(spa);
2487
2488 if (dump_opt['d'] || dump_opt['i']) {
2489 dump_dir(dp->dp_meta_objset);
2490 if (dump_opt['d'] >= 3) {
2491 dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees");
2492 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2493 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
2494 "Pool frees");
2495 }
2496 dump_dtl(spa->spa_root_vdev, 0);
2497 }
2498 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
2499 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
2500 }
2501 if (dump_opt['b'] || dump_opt['c'])
2502 rc = dump_block_stats(spa);
2503
2504 if (dump_opt['s'])
2505 show_pool_stats(spa);
2506
2507 if (dump_opt['h'])
2508 dump_history(spa);
2509
2510 if (rc != 0)
2511 exit(rc);
2512 }
2513
2514 #define ZDB_FLAG_CHECKSUM 0x0001
2515 #define ZDB_FLAG_DECOMPRESS 0x0002
2516 #define ZDB_FLAG_BSWAP 0x0004
2517 #define ZDB_FLAG_GBH 0x0008
2518 #define ZDB_FLAG_INDIRECT 0x0010
2519 #define ZDB_FLAG_PHYS 0x0020
2520 #define ZDB_FLAG_RAW 0x0040
2521 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
2522
2523 int flagbits[256];
2524
2525 static void
2526 zdb_print_blkptr(blkptr_t *bp, int flags)
2527 {
2528 char blkbuf[BP_SPRINTF_LEN];
2529
2530 if (flags & ZDB_FLAG_BSWAP)
2531 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
2532
2533 sprintf_blkptr(blkbuf, bp);
2534 (void) printf("%s\n", blkbuf);
2535 }
2536
2537 static void
2538 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
2539 {
2540 int i;
2541
2542 for (i = 0; i < nbps; i++)
2543 zdb_print_blkptr(&bp[i], flags);
2544 }
2545
2546 static void
2547 zdb_dump_gbh(void *buf, int flags)
2548 {
2549 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
2550 }
2551
2552 static void
2553 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
2554 {
2555 if (flags & ZDB_FLAG_BSWAP)
2556 byteswap_uint64_array(buf, size);
2557 VERIFY(write(fileno(stdout), buf, size) == size);
2558 }
2559
2560 static void
2561 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
2562 {
2563 uint64_t *d = (uint64_t *)buf;
2564 int nwords = size / sizeof (uint64_t);
2565 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
2566 int i, j;
2567 char *hdr, *c;
2568
2569
2570 if (do_bswap)
2571 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
2572 else
2573 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
2574
2575 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
2576
2577 for (i = 0; i < nwords; i += 2) {
2578 (void) printf("%06llx: %016llx %016llx ",
2579 (u_longlong_t)(i * sizeof (uint64_t)),
2580 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
2581 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
2582
2583 c = (char *)&d[i];
2584 for (j = 0; j < 2 * sizeof (uint64_t); j++)
2585 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
2586 (void) printf("\n");
2587 }
2588 }
2589
2590 /*
2591 * There are two acceptable formats:
2592 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
2593 * child[.child]* - For example: 0.1.1
2594 *
2595 * The second form can be used to specify arbitrary vdevs anywhere
2596 * in the heirarchy. For example, in a pool with a mirror of
2597 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
2598 */
2599 static vdev_t *
2600 zdb_vdev_lookup(vdev_t *vdev, char *path)
2601 {
2602 char *s, *p, *q;
2603 int i;
2604
2605 if (vdev == NULL)
2606 return (NULL);
2607
2608 /* First, assume the x.x.x.x format */
2609 i = (int)strtoul(path, &s, 10);
2610 if (s == path || (s && *s != '.' && *s != '\0'))
2611 goto name;
2612 if (i < 0 || i >= vdev->vdev_children)
2613 return (NULL);
2614
2615 vdev = vdev->vdev_child[i];
2616 if (*s == '\0')
2617 return (vdev);
2618 return (zdb_vdev_lookup(vdev, s+1));
2619
2620 name:
2621 for (i = 0; i < vdev->vdev_children; i++) {
2622 vdev_t *vc = vdev->vdev_child[i];
2623
2624 if (vc->vdev_path == NULL) {
2625 vc = zdb_vdev_lookup(vc, path);
2626 if (vc == NULL)
2627 continue;
2628 else
2629 return (vc);
2630 }
2631
2632 p = strrchr(vc->vdev_path, '/');
2633 p = p ? p + 1 : vc->vdev_path;
2634 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
2635
2636 if (strcmp(vc->vdev_path, path) == 0)
2637 return (vc);
2638 if (strcmp(p, path) == 0)
2639 return (vc);
2640 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2641 return (vc);
2642 }
2643
2644 return (NULL);
2645 }
2646
2647 /*
2648 * Read a block from a pool and print it out. The syntax of the
2649 * block descriptor is:
2650 *
2651 * pool:vdev_specifier:offset:size[:flags]
2652 *
2653 * pool - The name of the pool you wish to read from
2654 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2655 * offset - offset, in hex, in bytes
2656 * size - Amount of data to read, in hex, in bytes
2657 * flags - A string of characters specifying options
2658 * b: Decode a blkptr at given offset within block
2659 * *c: Calculate and display checksums
2660 * d: Decompress data before dumping
2661 * e: Byteswap data before dumping
2662 * g: Display data as a gang block header
2663 * i: Display as an indirect block
2664 * p: Do I/O to physical offset
2665 * r: Dump raw data to stdout
2666 *
2667 * * = not yet implemented
2668 */
2669 static void
2670 zdb_read_block(char *thing, spa_t *spa)
2671 {
2672 blkptr_t blk, *bp = &blk;
2673 dva_t *dva = bp->blk_dva;
2674 int flags = 0;
2675 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
2676 zio_t *zio;
2677 vdev_t *vd;
2678 void *pbuf, *lbuf, *buf;
2679 char *s, *p, *dup, *vdev, *flagstr;
2680 int i, error;
2681
2682 dup = strdup(thing);
2683 s = strtok(dup, ":");
2684 vdev = s ? s : "";
2685 s = strtok(NULL, ":");
2686 offset = strtoull(s ? s : "", NULL, 16);
2687 s = strtok(NULL, ":");
2688 size = strtoull(s ? s : "", NULL, 16);
2689 s = strtok(NULL, ":");
2690 flagstr = s ? s : "";
2691
2692 s = NULL;
2693 if (size == 0)
2694 s = "size must not be zero";
2695 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2696 s = "size must be a multiple of sector size";
2697 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2698 s = "offset must be a multiple of sector size";
2699 if (s) {
2700 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2701 free(dup);
2702 return;
2703 }
2704
2705 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2706 for (i = 0; flagstr[i]; i++) {
2707 int bit = flagbits[(uchar_t)flagstr[i]];
2708
2709 if (bit == 0) {
2710 (void) printf("***Invalid flag: %c\n",
2711 flagstr[i]);
2712 continue;
2713 }
2714 flags |= bit;
2715
2716 /* If it's not something with an argument, keep going */
2717 if ((bit & (ZDB_FLAG_CHECKSUM |
2718 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2719 continue;
2720
2721 p = &flagstr[i + 1];
2722 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2723 blkptr_offset = strtoull(p, &p, 16);
2724 if (*p != ':' && *p != '\0') {
2725 (void) printf("***Invalid flag arg: '%s'\n", s);
2726 free(dup);
2727 return;
2728 }
2729 }
2730 }
2731
2732 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2733 if (vd == NULL) {
2734 (void) printf("***Invalid vdev: %s\n", vdev);
2735 free(dup);
2736 return;
2737 } else {
2738 if (vd->vdev_path)
2739 (void) fprintf(stderr, "Found vdev: %s\n",
2740 vd->vdev_path);
2741 else
2742 (void) fprintf(stderr, "Found vdev type: %s\n",
2743 vd->vdev_ops->vdev_op_type);
2744 }
2745
2746 psize = size;
2747 lsize = size;
2748
2749 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2750 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2751
2752 BP_ZERO(bp);
2753
2754 DVA_SET_VDEV(&dva[0], vd->vdev_id);
2755 DVA_SET_OFFSET(&dva[0], offset);
2756 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
2757 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
2758
2759 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
2760
2761 BP_SET_LSIZE(bp, lsize);
2762 BP_SET_PSIZE(bp, psize);
2763 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
2764 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
2765 BP_SET_TYPE(bp, DMU_OT_NONE);
2766 BP_SET_LEVEL(bp, 0);
2767 BP_SET_DEDUP(bp, 0);
2768 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
2769
2770 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2771 zio = zio_root(spa, NULL, NULL, 0);
2772
2773 if (vd == vd->vdev_top) {
2774 /*
2775 * Treat this as a normal block read.
2776 */
2777 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
2778 ZIO_PRIORITY_SYNC_READ,
2779 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
2780 } else {
2781 /*
2782 * Treat this as a vdev child I/O.
2783 */
2784 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
2785 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
2786 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2787 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
2788 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
2789 }
2790
2791 error = zio_wait(zio);
2792 spa_config_exit(spa, SCL_STATE, FTAG);
2793
2794 if (error) {
2795 (void) printf("Read of %s failed, error: %d\n", thing, error);
2796 goto out;
2797 }
2798
2799 if (flags & ZDB_FLAG_DECOMPRESS) {
2800 /*
2801 * We don't know how the data was compressed, so just try
2802 * every decompress function at every inflated blocksize.
2803 */
2804 enum zio_compress c;
2805 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2806 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2807
2808 bcopy(pbuf, pbuf2, psize);
2809
2810 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
2811 SPA_MAXBLOCKSIZE - psize) == 0);
2812
2813 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
2814 SPA_MAXBLOCKSIZE - psize) == 0);
2815
2816 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
2817 lsize -= SPA_MINBLOCKSIZE) {
2818 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
2819 if (zio_decompress_data(c, pbuf, lbuf,
2820 psize, lsize) == 0 &&
2821 zio_decompress_data(c, pbuf2, lbuf2,
2822 psize, lsize) == 0 &&
2823 bcmp(lbuf, lbuf2, lsize) == 0)
2824 break;
2825 }
2826 if (c != ZIO_COMPRESS_FUNCTIONS)
2827 break;
2828 lsize -= SPA_MINBLOCKSIZE;
2829 }
2830
2831 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
2832 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
2833
2834 if (lsize <= psize) {
2835 (void) printf("Decompress of %s failed\n", thing);
2836 goto out;
2837 }
2838 buf = lbuf;
2839 size = lsize;
2840 } else {
2841 buf = pbuf;
2842 size = psize;
2843 }
2844
2845 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2846 zdb_print_blkptr((blkptr_t *)(void *)
2847 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2848 else if (flags & ZDB_FLAG_RAW)
2849 zdb_dump_block_raw(buf, size, flags);
2850 else if (flags & ZDB_FLAG_INDIRECT)
2851 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2852 flags);
2853 else if (flags & ZDB_FLAG_GBH)
2854 zdb_dump_gbh(buf, flags);
2855 else
2856 zdb_dump_block(thing, buf, size, flags);
2857
2858 out:
2859 umem_free(pbuf, SPA_MAXBLOCKSIZE);
2860 umem_free(lbuf, SPA_MAXBLOCKSIZE);
2861 free(dup);
2862 }
2863
2864 static boolean_t
2865 pool_match(nvlist_t *cfg, char *tgt)
2866 {
2867 uint64_t v, guid = strtoull(tgt, NULL, 0);
2868 char *s;
2869
2870 if (guid != 0) {
2871 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
2872 return (v == guid);
2873 } else {
2874 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
2875 return (strcmp(s, tgt) == 0);
2876 }
2877 return (B_FALSE);
2878 }
2879
2880 static char *
2881 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
2882 {
2883 nvlist_t *pools;
2884 nvlist_t *match = NULL;
2885 char *name = NULL;
2886 char *sepp = NULL;
2887 char sep = 0;
2888 int count = 0;
2889 importargs_t args = { 0 };
2890
2891 args.paths = dirc;
2892 args.path = dirv;
2893 args.can_be_active = B_TRUE;
2894
2895 if ((sepp = strpbrk(*target, "/@")) != NULL) {
2896 sep = *sepp;
2897 *sepp = '\0';
2898 }
2899
2900 pools = zpool_search_import(g_zfs, &args);
2901
2902 if (pools != NULL) {
2903 nvpair_t *elem = NULL;
2904 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2905 verify(nvpair_value_nvlist(elem, configp) == 0);
2906 if (pool_match(*configp, *target)) {
2907 count++;
2908 if (match != NULL) {
2909 /* print previously found config */
2910 if (name != NULL) {
2911 (void) printf("%s\n", name);
2912 dump_nvlist(match, 8);
2913 name = NULL;
2914 }
2915 (void) printf("%s\n",
2916 nvpair_name(elem));
2917 dump_nvlist(*configp, 8);
2918 } else {
2919 match = *configp;
2920 name = nvpair_name(elem);
2921 }
2922 }
2923 }
2924 }
2925 if (count > 1)
2926 (void) fatal("\tMatched %d pools - use pool GUID "
2927 "instead of pool name or \n"
2928 "\tpool name part of a dataset name to select pool", count);
2929
2930 if (sepp)
2931 *sepp = sep;
2932 /*
2933 * If pool GUID was specified for pool id, replace it with pool name
2934 */
2935 if (name && (strstr(*target, name) != *target)) {
2936 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
2937
2938 *target = umem_alloc(sz, UMEM_NOFAIL);
2939 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
2940 }
2941
2942 *configp = name ? match : NULL;
2943
2944 return (name);
2945 }
2946
2947 int
2948 main(int argc, char **argv)
2949 {
2950 int i, c;
2951 struct rlimit rl = { 1024, 1024 };
2952 spa_t *spa = NULL;
2953 objset_t *os = NULL;
2954 int dump_all = 1;
2955 int verbose = 0;
2956 int error = 0;
2957 char **searchdirs = NULL;
2958 int nsearch = 0;
2959 char *target;
2960 nvlist_t *policy = NULL;
2961 uint64_t max_txg = UINT64_MAX;
2962 int rewind = ZPOOL_NEVER_REWIND;
2963
2964 (void) setrlimit(RLIMIT_NOFILE, &rl);
2965 (void) enable_extended_FILE_stdio(-1, -1);
2966
2967 dprintf_setup(&argc, argv);
2968
2969 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) {
2970 switch (c) {
2971 case 'b':
2972 case 'c':
2973 case 'd':
2974 case 'h':
2975 case 'i':
2976 case 'l':
2977 case 'm':
2978 case 's':
2979 case 'u':
2980 case 'C':
2981 case 'D':
2982 case 'R':
2983 case 'S':
2984 dump_opt[c]++;
2985 dump_all = 0;
2986 break;
2987 case 'A':
2988 case 'F':
2989 case 'L':
2990 case 'X':
2991 case 'e':
2992 case 'P':
2993 dump_opt[c]++;
2994 break;
2995 case 'v':
2996 verbose++;
2997 break;
2998 case 'p':
2999 if (searchdirs == NULL) {
3000 searchdirs = umem_alloc(sizeof (char *),
3001 UMEM_NOFAIL);
3002 } else {
3003 char **tmp = umem_alloc((nsearch + 1) *
3004 sizeof (char *), UMEM_NOFAIL);
3005 bcopy(searchdirs, tmp, nsearch *
3006 sizeof (char *));
3007 umem_free(searchdirs,
3008 nsearch * sizeof (char *));
3009 searchdirs = tmp;
3010 }
3011 searchdirs[nsearch++] = optarg;
3012 break;
3013 case 't':
3014 max_txg = strtoull(optarg, NULL, 0);
3015 if (max_txg < TXG_INITIAL) {
3016 (void) fprintf(stderr, "incorrect txg "
3017 "specified: %s\n", optarg);
3018 usage();
3019 }
3020 break;
3021 case 'U':
3022 spa_config_path = optarg;
3023 break;
3024 default:
3025 usage();
3026 break;
3027 }
3028 }
3029
3030 if (!dump_opt['e'] && searchdirs != NULL) {
3031 (void) fprintf(stderr, "-p option requires use of -e\n");
3032 usage();
3033 }
3034
3035 kernel_init(FREAD);
3036 if ((g_zfs = libzfs_init()) == NULL)
3037 return (1);
3038
3039 if (dump_all)
3040 verbose = MAX(verbose, 1);
3041
3042 for (c = 0; c < 256; c++) {
3043 if (dump_all && !strchr("elAFLRSXP", c))
3044 dump_opt[c] = 1;
3045 if (dump_opt[c])
3046 dump_opt[c] += verbose;
3047 }
3048
3049 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
3050 zfs_recover = (dump_opt['A'] > 1);
3051
3052 argc -= optind;
3053 argv += optind;
3054
3055 if (argc < 2 && dump_opt['R'])
3056 usage();
3057 if (argc < 1) {
3058 if (!dump_opt['e'] && dump_opt['C']) {
3059 dump_cachefile(spa_config_path);
3060 return (0);
3061 }
3062 usage();
3063 }
3064
3065 if (dump_opt['l']) {
3066 dump_label(argv[0]);
3067 return (0);
3068 }
3069
3070 if (dump_opt['X'] || dump_opt['F'])
3071 rewind = ZPOOL_DO_REWIND |
3072 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
3073
3074 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
3075 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
3076 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
3077 fatal("internal error: %s", strerror(ENOMEM));
3078
3079 error = 0;
3080 target = argv[0];
3081
3082 if (dump_opt['e']) {
3083 nvlist_t *cfg = NULL;
3084 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
3085
3086 error = ENOENT;
3087 if (name) {
3088 if (dump_opt['C'] > 1) {
3089 (void) printf("\nConfiguration for import:\n");
3090 dump_nvlist(cfg, 8);
3091 }
3092 if (nvlist_add_nvlist(cfg,
3093 ZPOOL_REWIND_POLICY, policy) != 0) {
3094 fatal("can't open '%s': %s",
3095 target, strerror(ENOMEM));
3096 }
3097 if ((error = spa_import(name, cfg, NULL,
3098 ZFS_IMPORT_MISSING_LOG)) != 0) {
3099 error = spa_import(name, cfg, NULL,
3100 ZFS_IMPORT_VERBATIM);
3101 }
3102 }
3103 }
3104
3105 if (error == 0) {
3106 if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
3107 error = spa_open_rewind(target, &spa, FTAG, policy,
3108 NULL);
3109 if (error) {
3110 /*
3111 * If we're missing the log device then
3112 * try opening the pool after clearing the
3113 * log state.
3114 */
3115 mutex_enter(&spa_namespace_lock);
3116 if ((spa = spa_lookup(target)) != NULL &&
3117 spa->spa_log_state == SPA_LOG_MISSING) {
3118 spa->spa_log_state = SPA_LOG_CLEAR;
3119 error = 0;
3120 }
3121 mutex_exit(&spa_namespace_lock);
3122
3123 if (!error) {
3124 error = spa_open_rewind(target, &spa,
3125 FTAG, policy, NULL);
3126 }
3127 }
3128 } else {
3129 error = dmu_objset_own(target, DMU_OST_ANY,
3130 B_TRUE, FTAG, &os);
3131 }
3132 }
3133 nvlist_free(policy);
3134
3135 if (error)
3136 fatal("can't open '%s': %s", target, strerror(error));
3137
3138 argv++;
3139 argc--;
3140 if (!dump_opt['R']) {
3141 if (argc > 0) {
3142 zopt_objects = argc;
3143 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
3144 for (i = 0; i < zopt_objects; i++) {
3145 errno = 0;
3146 zopt_object[i] = strtoull(argv[i], NULL, 0);
3147 if (zopt_object[i] == 0 && errno != 0)
3148 fatal("bad number %s: %s",
3149 argv[i], strerror(errno));
3150 }
3151 }
3152 (os != NULL) ? dump_dir(os) : dump_zpool(spa);
3153 } else {
3154 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
3155 flagbits['c'] = ZDB_FLAG_CHECKSUM;
3156 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
3157 flagbits['e'] = ZDB_FLAG_BSWAP;
3158 flagbits['g'] = ZDB_FLAG_GBH;
3159 flagbits['i'] = ZDB_FLAG_INDIRECT;
3160 flagbits['p'] = ZDB_FLAG_PHYS;
3161 flagbits['r'] = ZDB_FLAG_RAW;
3162
3163 for (i = 0; i < argc; i++)
3164 zdb_read_block(argv[i], spa);
3165 }
3166
3167 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
3168
3169 fuid_table_destroy();
3170 sa_loaded = B_FALSE;
3171
3172 libzfs_fini(g_zfs);
3173 kernel_fini();
3174
3175 return (0);
3176 }
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