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Fix gcc c90 compliance warnings
[mirror_zfs.git] / cmd / zdb / zdb.c
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 int p;
649
650 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
651 if (ddp->ddp_phys_birth == 0)
652 continue;
653 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
654 sprintf_blkptr(blkbuf, &blk);
655 (void) printf("index %llx refcnt %llu %s %s\n",
656 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
657 types[p], blkbuf);
658 }
659 }
660
661 static void
662 dump_dedup_ratio(const ddt_stat_t *dds)
663 {
664 double rL, rP, rD, D, dedup, compress, copies;
665
666 if (dds->dds_blocks == 0)
667 return;
668
669 rL = (double)dds->dds_ref_lsize;
670 rP = (double)dds->dds_ref_psize;
671 rD = (double)dds->dds_ref_dsize;
672 D = (double)dds->dds_dsize;
673
674 dedup = rD / D;
675 compress = rL / rP;
676 copies = rD / rP;
677
678 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
679 "dedup * compress / copies = %.2f\n\n",
680 dedup, compress, copies, dedup * compress / copies);
681 }
682
683 static void
684 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
685 {
686 char name[DDT_NAMELEN];
687 ddt_entry_t dde;
688 uint64_t walk = 0;
689 dmu_object_info_t doi;
690 uint64_t count, dspace, mspace;
691 int error;
692
693 error = ddt_object_info(ddt, type, class, &doi);
694
695 if (error == ENOENT)
696 return;
697 ASSERT(error == 0);
698
699 if ((count = ddt_object_count(ddt, type, class)) == 0)
700 return;
701
702 dspace = doi.doi_physical_blocks_512 << 9;
703 mspace = doi.doi_fill_count * doi.doi_data_block_size;
704
705 ddt_object_name(ddt, type, class, name);
706
707 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
708 name,
709 (u_longlong_t)count,
710 (u_longlong_t)(dspace / count),
711 (u_longlong_t)(mspace / count));
712
713 if (dump_opt['D'] < 3)
714 return;
715
716 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
717
718 if (dump_opt['D'] < 4)
719 return;
720
721 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
722 return;
723
724 (void) printf("%s contents:\n\n", name);
725
726 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
727 dump_dde(ddt, &dde, walk);
728
729 ASSERT(error == ENOENT);
730
731 (void) printf("\n");
732 }
733
734 static void
735 dump_all_ddts(spa_t *spa)
736 {
737 ddt_histogram_t ddh_total;
738 ddt_stat_t dds_total;
739 enum zio_checksum c;
740 enum ddt_type type;
741 enum ddt_class class;
742
743 bzero(&ddh_total, sizeof (ddt_histogram_t));
744 bzero(&dds_total, sizeof (ddt_stat_t));
745
746 for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
747 ddt_t *ddt = spa->spa_ddt[c];
748 for (type = 0; type < DDT_TYPES; type++) {
749 for (class = 0; class < DDT_CLASSES;
750 class++) {
751 dump_ddt(ddt, type, class);
752 }
753 }
754 }
755
756 ddt_get_dedup_stats(spa, &dds_total);
757
758 if (dds_total.dds_blocks == 0) {
759 (void) printf("All DDTs are empty\n");
760 return;
761 }
762
763 (void) printf("\n");
764
765 if (dump_opt['D'] > 1) {
766 (void) printf("DDT histogram (aggregated over all DDTs):\n");
767 ddt_get_dedup_histogram(spa, &ddh_total);
768 zpool_dump_ddt(&dds_total, &ddh_total);
769 }
770
771 dump_dedup_ratio(&dds_total);
772 }
773
774 static void
775 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
776 {
777 char *prefix = (void *)sm;
778
779 (void) printf("%s [%llu,%llu) length %llu\n",
780 prefix,
781 (u_longlong_t)start,
782 (u_longlong_t)(start + size),
783 (u_longlong_t)(size));
784 }
785
786 static void
787 dump_dtl(vdev_t *vd, int indent)
788 {
789 spa_t *spa = vd->vdev_spa;
790 boolean_t required;
791 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
792 char prefix[256];
793 int c, t;
794
795 spa_vdev_state_enter(spa, SCL_NONE);
796 required = vdev_dtl_required(vd);
797 (void) spa_vdev_state_exit(spa, NULL, 0);
798
799 if (indent == 0)
800 (void) printf("\nDirty time logs:\n\n");
801
802 (void) printf("\t%*s%s [%s]\n", indent, "",
803 vd->vdev_path ? vd->vdev_path :
804 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
805 required ? "DTL-required" : "DTL-expendable");
806
807 for (t = 0; t < DTL_TYPES; t++) {
808 space_map_t *sm = &vd->vdev_dtl[t];
809 if (sm->sm_space == 0)
810 continue;
811 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
812 indent + 2, "", name[t]);
813 mutex_enter(sm->sm_lock);
814 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
815 mutex_exit(sm->sm_lock);
816 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
817 dump_spacemap(spa->spa_meta_objset,
818 &vd->vdev_dtl_smo, sm);
819 }
820
821 for (c = 0; c < vd->vdev_children; c++)
822 dump_dtl(vd->vdev_child[c], indent + 4);
823 }
824
825 static void
826 dump_history(spa_t *spa)
827 {
828 nvlist_t **events = NULL;
829 char buf[SPA_MAXBLOCKSIZE];
830 uint64_t resid, len, off = 0;
831 uint_t num = 0;
832 int error;
833 time_t tsec;
834 struct tm t;
835 char tbuf[30];
836 char internalstr[MAXPATHLEN];
837 int i;
838
839 do {
840 len = sizeof (buf);
841
842 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
843 (void) fprintf(stderr, "Unable to read history: "
844 "error %d\n", error);
845 return;
846 }
847
848 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
849 break;
850
851 off -= resid;
852 } while (len != 0);
853
854 (void) printf("\nHistory:\n");
855 for (i = 0; i < num; i++) {
856 uint64_t time, txg, ievent;
857 char *cmd, *intstr;
858
859 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
860 &time) != 0)
861 continue;
862 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
863 &cmd) != 0) {
864 if (nvlist_lookup_uint64(events[i],
865 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
866 continue;
867 verify(nvlist_lookup_uint64(events[i],
868 ZPOOL_HIST_TXG, &txg) == 0);
869 verify(nvlist_lookup_string(events[i],
870 ZPOOL_HIST_INT_STR, &intstr) == 0);
871 if (ievent >= LOG_END)
872 continue;
873
874 (void) snprintf(internalstr,
875 sizeof (internalstr),
876 "[internal %s txg:%lld] %s",
877 zfs_history_event_names[ievent], txg,
878 intstr);
879 cmd = internalstr;
880 }
881 tsec = time;
882 (void) localtime_r(&tsec, &t);
883 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
884 (void) printf("%s %s\n", tbuf, cmd);
885 }
886 }
887
888 /*ARGSUSED*/
889 static void
890 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
891 {
892 }
893
894 static uint64_t
895 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
896 {
897 if (dnp == NULL) {
898 ASSERT(zb->zb_level < 0);
899 if (zb->zb_object == 0)
900 return (zb->zb_blkid);
901 return (zb->zb_blkid * BP_GET_LSIZE(bp));
902 }
903
904 ASSERT(zb->zb_level >= 0);
905
906 return ((zb->zb_blkid <<
907 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
908 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
909 }
910
911 static void
912 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
913 {
914 const dva_t *dva = bp->blk_dva;
915 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
916 int i;
917
918 if (dump_opt['b'] >= 5) {
919 sprintf_blkptr(blkbuf, bp);
920 return;
921 }
922
923 blkbuf[0] = '\0';
924
925 for (i = 0; i < ndvas; i++)
926 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
927 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
928 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
929 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
930
931 (void) sprintf(blkbuf + strlen(blkbuf),
932 "%llxL/%llxP F=%llu B=%llu/%llu",
933 (u_longlong_t)BP_GET_LSIZE(bp),
934 (u_longlong_t)BP_GET_PSIZE(bp),
935 (u_longlong_t)bp->blk_fill,
936 (u_longlong_t)bp->blk_birth,
937 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
938 }
939
940 static void
941 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
942 const dnode_phys_t *dnp)
943 {
944 char blkbuf[BP_SPRINTF_LEN];
945 int l;
946
947 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
948 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
949
950 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
951
952 ASSERT(zb->zb_level >= 0);
953
954 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
955 if (l == zb->zb_level) {
956 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
957 } else {
958 (void) printf(" ");
959 }
960 }
961
962 sprintf_blkptr_compact(blkbuf, bp);
963 (void) printf("%s\n", blkbuf);
964 }
965
966 static int
967 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
968 blkptr_t *bp, const zbookmark_t *zb)
969 {
970 int err = 0;
971
972 if (bp->blk_birth == 0)
973 return (0);
974
975 print_indirect(bp, zb, dnp);
976
977 if (BP_GET_LEVEL(bp) > 0) {
978 uint32_t flags = ARC_WAIT;
979 int i;
980 blkptr_t *cbp;
981 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
982 arc_buf_t *buf;
983 uint64_t fill = 0;
984
985 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
986 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
987 if (err)
988 return (err);
989 ASSERT(buf->b_data);
990
991 /* recursively visit blocks below this */
992 cbp = buf->b_data;
993 for (i = 0; i < epb; i++, cbp++) {
994 zbookmark_t czb;
995
996 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
997 zb->zb_level - 1,
998 zb->zb_blkid * epb + i);
999 err = visit_indirect(spa, dnp, cbp, &czb);
1000 if (err)
1001 break;
1002 fill += cbp->blk_fill;
1003 }
1004 if (!err)
1005 ASSERT3U(fill, ==, bp->blk_fill);
1006 (void) arc_buf_remove_ref(buf, &buf);
1007 }
1008
1009 return (err);
1010 }
1011
1012 /*ARGSUSED*/
1013 static void
1014 dump_indirect(dnode_t *dn)
1015 {
1016 dnode_phys_t *dnp = dn->dn_phys;
1017 int j;
1018 zbookmark_t czb;
1019
1020 (void) printf("Indirect blocks:\n");
1021
1022 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
1023 dn->dn_object, dnp->dn_nlevels - 1, 0);
1024 for (j = 0; j < dnp->dn_nblkptr; j++) {
1025 czb.zb_blkid = j;
1026 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
1027 &dnp->dn_blkptr[j], &czb);
1028 }
1029
1030 (void) printf("\n");
1031 }
1032
1033 /*ARGSUSED*/
1034 static void
1035 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1036 {
1037 dsl_dir_phys_t *dd = data;
1038 time_t crtime;
1039 char nice[32];
1040
1041 if (dd == NULL)
1042 return;
1043
1044 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1045
1046 crtime = dd->dd_creation_time;
1047 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1048 (void) printf("\t\thead_dataset_obj = %llu\n",
1049 (u_longlong_t)dd->dd_head_dataset_obj);
1050 (void) printf("\t\tparent_dir_obj = %llu\n",
1051 (u_longlong_t)dd->dd_parent_obj);
1052 (void) printf("\t\torigin_obj = %llu\n",
1053 (u_longlong_t)dd->dd_origin_obj);
1054 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1055 (u_longlong_t)dd->dd_child_dir_zapobj);
1056 zdb_nicenum(dd->dd_used_bytes, nice);
1057 (void) printf("\t\tused_bytes = %s\n", nice);
1058 zdb_nicenum(dd->dd_compressed_bytes, nice);
1059 (void) printf("\t\tcompressed_bytes = %s\n", nice);
1060 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
1061 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
1062 zdb_nicenum(dd->dd_quota, nice);
1063 (void) printf("\t\tquota = %s\n", nice);
1064 zdb_nicenum(dd->dd_reserved, nice);
1065 (void) printf("\t\treserved = %s\n", nice);
1066 (void) printf("\t\tprops_zapobj = %llu\n",
1067 (u_longlong_t)dd->dd_props_zapobj);
1068 (void) printf("\t\tdeleg_zapobj = %llu\n",
1069 (u_longlong_t)dd->dd_deleg_zapobj);
1070 (void) printf("\t\tflags = %llx\n",
1071 (u_longlong_t)dd->dd_flags);
1072
1073 #define DO(which) \
1074 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1075 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1076 DO(HEAD);
1077 DO(SNAP);
1078 DO(CHILD);
1079 DO(CHILD_RSRV);
1080 DO(REFRSRV);
1081 #undef DO
1082 }
1083
1084 /*ARGSUSED*/
1085 static void
1086 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1087 {
1088 dsl_dataset_phys_t *ds = data;
1089 time_t crtime;
1090 char used[32], compressed[32], uncompressed[32], unique[32];
1091 char blkbuf[BP_SPRINTF_LEN];
1092
1093 if (ds == NULL)
1094 return;
1095
1096 ASSERT(size == sizeof (*ds));
1097 crtime = ds->ds_creation_time;
1098 zdb_nicenum(ds->ds_used_bytes, used);
1099 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1100 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1101 zdb_nicenum(ds->ds_unique_bytes, unique);
1102 sprintf_blkptr(blkbuf, &ds->ds_bp);
1103
1104 (void) printf("\t\tdir_obj = %llu\n",
1105 (u_longlong_t)ds->ds_dir_obj);
1106 (void) printf("\t\tprev_snap_obj = %llu\n",
1107 (u_longlong_t)ds->ds_prev_snap_obj);
1108 (void) printf("\t\tprev_snap_txg = %llu\n",
1109 (u_longlong_t)ds->ds_prev_snap_txg);
1110 (void) printf("\t\tnext_snap_obj = %llu\n",
1111 (u_longlong_t)ds->ds_next_snap_obj);
1112 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1113 (u_longlong_t)ds->ds_snapnames_zapobj);
1114 (void) printf("\t\tnum_children = %llu\n",
1115 (u_longlong_t)ds->ds_num_children);
1116 (void) printf("\t\tuserrefs_obj = %llu\n",
1117 (u_longlong_t)ds->ds_userrefs_obj);
1118 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1119 (void) printf("\t\tcreation_txg = %llu\n",
1120 (u_longlong_t)ds->ds_creation_txg);
1121 (void) printf("\t\tdeadlist_obj = %llu\n",
1122 (u_longlong_t)ds->ds_deadlist_obj);
1123 (void) printf("\t\tused_bytes = %s\n", used);
1124 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1125 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1126 (void) printf("\t\tunique = %s\n", unique);
1127 (void) printf("\t\tfsid_guid = %llu\n",
1128 (u_longlong_t)ds->ds_fsid_guid);
1129 (void) printf("\t\tguid = %llu\n",
1130 (u_longlong_t)ds->ds_guid);
1131 (void) printf("\t\tflags = %llx\n",
1132 (u_longlong_t)ds->ds_flags);
1133 (void) printf("\t\tnext_clones_obj = %llu\n",
1134 (u_longlong_t)ds->ds_next_clones_obj);
1135 (void) printf("\t\tprops_obj = %llu\n",
1136 (u_longlong_t)ds->ds_props_obj);
1137 (void) printf("\t\tbp = %s\n", blkbuf);
1138 }
1139
1140 /* ARGSUSED */
1141 static int
1142 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1143 {
1144 char blkbuf[BP_SPRINTF_LEN];
1145
1146 ASSERT(bp->blk_birth != 0);
1147 sprintf_blkptr_compact(blkbuf, bp);
1148 (void) printf("\t%s\n", blkbuf);
1149 return (0);
1150 }
1151
1152 static void
1153 dump_bpobj(bpobj_t *bpo, char *name)
1154 {
1155 char bytes[32];
1156 char comp[32];
1157 char uncomp[32];
1158
1159 if (dump_opt['d'] < 3)
1160 return;
1161
1162 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
1163 if (bpo->bpo_havesubobj) {
1164 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1165 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
1166 (void) printf("\n %s: %llu local blkptrs, %llu subobjs, "
1167 "%s (%s/%s comp)\n",
1168 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1169 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1170 bytes, comp, uncomp);
1171 } else {
1172 (void) printf("\n %s: %llu blkptrs, %s\n",
1173 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, bytes);
1174 }
1175
1176 if (dump_opt['d'] < 5)
1177 return;
1178
1179 (void) printf("\n");
1180
1181 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1182 }
1183
1184 static void
1185 dump_deadlist(dsl_deadlist_t *dl)
1186 {
1187 dsl_deadlist_entry_t *dle;
1188 char bytes[32];
1189 char comp[32];
1190 char uncomp[32];
1191
1192 if (dump_opt['d'] < 3)
1193 return;
1194
1195 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1196 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1197 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1198 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1199 bytes, comp, uncomp);
1200
1201 if (dump_opt['d'] < 4)
1202 return;
1203
1204 (void) printf("\n");
1205
1206 for (dle = avl_first(&dl->dl_tree); dle;
1207 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1208 (void) printf(" mintxg %llu -> obj %llu\n",
1209 (longlong_t)dle->dle_mintxg,
1210 (longlong_t)dle->dle_bpobj.bpo_object);
1211
1212 if (dump_opt['d'] >= 5)
1213 dump_bpobj(&dle->dle_bpobj, "");
1214 }
1215 }
1216
1217 static avl_tree_t idx_tree;
1218 static avl_tree_t domain_tree;
1219 static boolean_t fuid_table_loaded;
1220 static boolean_t sa_loaded;
1221 sa_attr_type_t *sa_attr_table;
1222
1223 static void
1224 fuid_table_destroy()
1225 {
1226 if (fuid_table_loaded) {
1227 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1228 fuid_table_loaded = B_FALSE;
1229 }
1230 }
1231
1232 /*
1233 * print uid or gid information.
1234 * For normal POSIX id just the id is printed in decimal format.
1235 * For CIFS files with FUID the fuid is printed in hex followed by
1236 * the doman-rid string.
1237 */
1238 static void
1239 print_idstr(uint64_t id, const char *id_type)
1240 {
1241 if (FUID_INDEX(id)) {
1242 char *domain;
1243
1244 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1245 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1246 (u_longlong_t)id, domain, (int)FUID_RID(id));
1247 } else {
1248 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1249 }
1250
1251 }
1252
1253 static void
1254 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
1255 {
1256 uint32_t uid_idx, gid_idx;
1257
1258 uid_idx = FUID_INDEX(uid);
1259 gid_idx = FUID_INDEX(gid);
1260
1261 /* Load domain table, if not already loaded */
1262 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1263 uint64_t fuid_obj;
1264
1265 /* first find the fuid object. It lives in the master node */
1266 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1267 8, 1, &fuid_obj) == 0);
1268 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1269 (void) zfs_fuid_table_load(os, fuid_obj,
1270 &idx_tree, &domain_tree);
1271 fuid_table_loaded = B_TRUE;
1272 }
1273
1274 print_idstr(uid, "uid");
1275 print_idstr(gid, "gid");
1276 }
1277
1278 /*ARGSUSED*/
1279 static void
1280 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1281 {
1282 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
1283 sa_handle_t *hdl;
1284 uint64_t xattr, rdev, gen;
1285 uint64_t uid, gid, mode, fsize, parent, links;
1286 uint64_t pflags;
1287 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1288 time_t z_crtime, z_atime, z_mtime, z_ctime;
1289 sa_bulk_attr_t bulk[12];
1290 int idx = 0;
1291 int error;
1292
1293 if (!sa_loaded) {
1294 uint64_t sa_attrs = 0;
1295 uint64_t version;
1296
1297 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1298 8, 1, &version) == 0);
1299 if (version >= ZPL_VERSION_SA) {
1300 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1301 8, 1, &sa_attrs) == 0);
1302 }
1303 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1304 ZPL_END, &sa_attr_table)) != 0) {
1305 (void) printf("sa_setup failed errno %d, can't "
1306 "display znode contents\n", error);
1307 return;
1308 }
1309 sa_loaded = B_TRUE;
1310 }
1311
1312 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1313 (void) printf("Failed to get handle for SA znode\n");
1314 return;
1315 }
1316
1317 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1318 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1319 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1320 &links, 8);
1321 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1322 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1323 &mode, 8);
1324 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1325 NULL, &parent, 8);
1326 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1327 &fsize, 8);
1328 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1329 acctm, 16);
1330 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1331 modtm, 16);
1332 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1333 crtm, 16);
1334 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1335 chgtm, 16);
1336 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1337 &pflags, 8);
1338
1339 if (sa_bulk_lookup(hdl, bulk, idx)) {
1340 (void) sa_handle_destroy(hdl);
1341 return;
1342 }
1343
1344 error = zfs_obj_to_path(os, object, path, sizeof (path));
1345 if (error != 0) {
1346 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1347 (u_longlong_t)object);
1348 }
1349 if (dump_opt['d'] < 3) {
1350 (void) printf("\t%s\n", path);
1351 (void) sa_handle_destroy(hdl);
1352 return;
1353 }
1354
1355 z_crtime = (time_t)crtm[0];
1356 z_atime = (time_t)acctm[0];
1357 z_mtime = (time_t)modtm[0];
1358 z_ctime = (time_t)chgtm[0];
1359
1360 (void) printf("\tpath %s\n", path);
1361 dump_uidgid(os, uid, gid);
1362 (void) printf("\tatime %s", ctime(&z_atime));
1363 (void) printf("\tmtime %s", ctime(&z_mtime));
1364 (void) printf("\tctime %s", ctime(&z_ctime));
1365 (void) printf("\tcrtime %s", ctime(&z_crtime));
1366 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1367 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1368 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1369 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1370 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1371 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1372 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1373 sizeof (uint64_t)) == 0)
1374 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1375 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1376 sizeof (uint64_t)) == 0)
1377 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1378 sa_handle_destroy(hdl);
1379 }
1380
1381 /*ARGSUSED*/
1382 static void
1383 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1384 {
1385 }
1386
1387 /*ARGSUSED*/
1388 static void
1389 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1390 {
1391 }
1392
1393 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1394 dump_none, /* unallocated */
1395 dump_zap, /* object directory */
1396 dump_uint64, /* object array */
1397 dump_none, /* packed nvlist */
1398 dump_packed_nvlist, /* packed nvlist size */
1399 dump_none, /* bplist */
1400 dump_none, /* bplist header */
1401 dump_none, /* SPA space map header */
1402 dump_none, /* SPA space map */
1403 dump_none, /* ZIL intent log */
1404 dump_dnode, /* DMU dnode */
1405 dump_dmu_objset, /* DMU objset */
1406 dump_dsl_dir, /* DSL directory */
1407 dump_zap, /* DSL directory child map */
1408 dump_zap, /* DSL dataset snap map */
1409 dump_zap, /* DSL props */
1410 dump_dsl_dataset, /* DSL dataset */
1411 dump_znode, /* ZFS znode */
1412 dump_acl, /* ZFS V0 ACL */
1413 dump_uint8, /* ZFS plain file */
1414 dump_zpldir, /* ZFS directory */
1415 dump_zap, /* ZFS master node */
1416 dump_zap, /* ZFS delete queue */
1417 dump_uint8, /* zvol object */
1418 dump_zap, /* zvol prop */
1419 dump_uint8, /* other uint8[] */
1420 dump_uint64, /* other uint64[] */
1421 dump_zap, /* other ZAP */
1422 dump_zap, /* persistent error log */
1423 dump_uint8, /* SPA history */
1424 dump_uint64, /* SPA history offsets */
1425 dump_zap, /* Pool properties */
1426 dump_zap, /* DSL permissions */
1427 dump_acl, /* ZFS ACL */
1428 dump_uint8, /* ZFS SYSACL */
1429 dump_none, /* FUID nvlist */
1430 dump_packed_nvlist, /* FUID nvlist size */
1431 dump_zap, /* DSL dataset next clones */
1432 dump_zap, /* DSL scrub queue */
1433 dump_zap, /* ZFS user/group used */
1434 dump_zap, /* ZFS user/group quota */
1435 dump_zap, /* snapshot refcount tags */
1436 dump_ddt_zap, /* DDT ZAP object */
1437 dump_zap, /* DDT statistics */
1438 dump_znode, /* SA object */
1439 dump_zap, /* SA Master Node */
1440 dump_sa_attrs, /* SA attribute registration */
1441 dump_sa_layouts, /* SA attribute layouts */
1442 dump_zap, /* DSL scrub translations */
1443 dump_none, /* fake dedup BP */
1444 dump_zap, /* deadlist */
1445 dump_none, /* deadlist hdr */
1446 dump_zap, /* dsl clones */
1447 dump_none, /* bpobj subobjs */
1448 dump_unknown, /* Unknown type, must be last */
1449 };
1450
1451 static void
1452 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1453 {
1454 dmu_buf_t *db = NULL;
1455 dmu_object_info_t doi;
1456 dnode_t *dn;
1457 void *bonus = NULL;
1458 size_t bsize = 0;
1459 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1460 char bonus_size[32];
1461 char aux[50];
1462 int error;
1463
1464 if (*print_header) {
1465 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1466 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1467 "%full", "type");
1468 *print_header = 0;
1469 }
1470
1471 if (object == 0) {
1472 dn = DMU_META_DNODE(os);
1473 } else {
1474 error = dmu_bonus_hold(os, object, FTAG, &db);
1475 if (error)
1476 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1477 object, error);
1478 bonus = db->db_data;
1479 bsize = db->db_size;
1480 dn = DB_DNODE((dmu_buf_impl_t *)db);
1481 }
1482 dmu_object_info_from_dnode(dn, &doi);
1483
1484 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1485 zdb_nicenum(doi.doi_data_block_size, dblk);
1486 zdb_nicenum(doi.doi_max_offset, lsize);
1487 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1488 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1489 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1490 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1491 doi.doi_max_offset);
1492
1493 aux[0] = '\0';
1494
1495 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1496 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1497 ZDB_CHECKSUM_NAME(doi.doi_checksum));
1498 }
1499
1500 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1501 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1502 ZDB_COMPRESS_NAME(doi.doi_compress));
1503 }
1504
1505 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1506 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1507 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
1508
1509 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1510 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1511 "", "", "", "", "", bonus_size, "bonus",
1512 ZDB_OT_NAME(doi.doi_bonus_type));
1513 }
1514
1515 if (verbosity >= 4) {
1516 (void) printf("\tdnode flags: %s%s%s\n",
1517 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1518 "USED_BYTES " : "",
1519 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
1520 "USERUSED_ACCOUNTED " : "",
1521 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1522 "SPILL_BLKPTR" : "");
1523 (void) printf("\tdnode maxblkid: %llu\n",
1524 (longlong_t)dn->dn_phys->dn_maxblkid);
1525
1526 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1527 bonus, bsize);
1528 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
1529 *print_header = 1;
1530 }
1531
1532 if (verbosity >= 5)
1533 dump_indirect(dn);
1534
1535 if (verbosity >= 5) {
1536 /*
1537 * Report the list of segments that comprise the object.
1538 */
1539 uint64_t start = 0;
1540 uint64_t end;
1541 uint64_t blkfill = 1;
1542 int minlvl = 1;
1543
1544 if (dn->dn_type == DMU_OT_DNODE) {
1545 minlvl = 0;
1546 blkfill = DNODES_PER_BLOCK;
1547 }
1548
1549 for (;;) {
1550 char segsize[32];
1551 error = dnode_next_offset(dn,
1552 0, &start, minlvl, blkfill, 0);
1553 if (error)
1554 break;
1555 end = start;
1556 error = dnode_next_offset(dn,
1557 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1558 zdb_nicenum(end - start, segsize);
1559 (void) printf("\t\tsegment [%016llx, %016llx)"
1560 " size %5s\n", (u_longlong_t)start,
1561 (u_longlong_t)end, segsize);
1562 if (error)
1563 break;
1564 start = end;
1565 }
1566 }
1567
1568 if (db != NULL)
1569 dmu_buf_rele(db, FTAG);
1570 }
1571
1572 static char *objset_types[DMU_OST_NUMTYPES] = {
1573 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1574
1575 static void
1576 dump_dir(objset_t *os)
1577 {
1578 dmu_objset_stats_t dds;
1579 uint64_t object, object_count;
1580 uint64_t refdbytes, usedobjs, scratch;
1581 char numbuf[32];
1582 char blkbuf[BP_SPRINTF_LEN + 20];
1583 char osname[MAXNAMELEN];
1584 char *type = "UNKNOWN";
1585 int verbosity = dump_opt['d'];
1586 int print_header = 1;
1587 int i, error;
1588
1589 dmu_objset_fast_stat(os, &dds);
1590
1591 if (dds.dds_type < DMU_OST_NUMTYPES)
1592 type = objset_types[dds.dds_type];
1593
1594 if (dds.dds_type == DMU_OST_META) {
1595 dds.dds_creation_txg = TXG_INITIAL;
1596 usedobjs = os->os_rootbp->blk_fill;
1597 refdbytes = os->os_spa->spa_dsl_pool->
1598 dp_mos_dir->dd_phys->dd_used_bytes;
1599 } else {
1600 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1601 }
1602
1603 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
1604
1605 zdb_nicenum(refdbytes, numbuf);
1606
1607 if (verbosity >= 4) {
1608 (void) sprintf(blkbuf, ", rootbp ");
1609 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
1610 } else {
1611 blkbuf[0] = '\0';
1612 }
1613
1614 dmu_objset_name(os, osname);
1615
1616 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1617 "%s, %llu objects%s\n",
1618 osname, type, (u_longlong_t)dmu_objset_id(os),
1619 (u_longlong_t)dds.dds_creation_txg,
1620 numbuf, (u_longlong_t)usedobjs, blkbuf);
1621
1622 if (zopt_objects != 0) {
1623 for (i = 0; i < zopt_objects; i++)
1624 dump_object(os, zopt_object[i], verbosity,
1625 &print_header);
1626 (void) printf("\n");
1627 return;
1628 }
1629
1630 if (dump_opt['i'] != 0 || verbosity >= 2)
1631 dump_intent_log(dmu_objset_zil(os));
1632
1633 if (dmu_objset_ds(os) != NULL)
1634 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1635
1636 if (verbosity < 2)
1637 return;
1638
1639 if (os->os_rootbp->blk_birth == 0)
1640 return;
1641
1642 dump_object(os, 0, verbosity, &print_header);
1643 object_count = 0;
1644 if (DMU_USERUSED_DNODE(os) != NULL &&
1645 DMU_USERUSED_DNODE(os)->dn_type != 0) {
1646 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1647 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1648 }
1649
1650 object = 0;
1651 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1652 dump_object(os, object, verbosity, &print_header);
1653 object_count++;
1654 }
1655
1656 ASSERT3U(object_count, ==, usedobjs);
1657
1658 (void) printf("\n");
1659
1660 if (error != ESRCH) {
1661 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1662 abort();
1663 }
1664 }
1665
1666 static void
1667 dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
1668 {
1669 time_t timestamp = ub->ub_timestamp;
1670
1671 (void) printf(header ? header : "");
1672 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1673 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1674 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1675 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1676 (void) printf("\ttimestamp = %llu UTC = %s",
1677 (u_longlong_t)ub->ub_timestamp, asctime(localtime(&timestamp)));
1678 if (dump_opt['u'] >= 3) {
1679 char blkbuf[BP_SPRINTF_LEN];
1680 sprintf_blkptr(blkbuf, &ub->ub_rootbp);
1681 (void) printf("\trootbp = %s\n", blkbuf);
1682 }
1683 (void) printf(footer ? footer : "");
1684 }
1685
1686 static void
1687 dump_config(spa_t *spa)
1688 {
1689 dmu_buf_t *db;
1690 size_t nvsize = 0;
1691 int error = 0;
1692
1693
1694 error = dmu_bonus_hold(spa->spa_meta_objset,
1695 spa->spa_config_object, FTAG, &db);
1696
1697 if (error == 0) {
1698 nvsize = *(uint64_t *)db->db_data;
1699 dmu_buf_rele(db, FTAG);
1700
1701 (void) printf("\nMOS Configuration:\n");
1702 dump_packed_nvlist(spa->spa_meta_objset,
1703 spa->spa_config_object, (void *)&nvsize, 1);
1704 } else {
1705 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1706 (u_longlong_t)spa->spa_config_object, error);
1707 }
1708 }
1709
1710 static void
1711 dump_cachefile(const char *cachefile)
1712 {
1713 int fd;
1714 struct stat64 statbuf;
1715 char *buf;
1716 nvlist_t *config;
1717
1718 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1719 (void) printf("cannot open '%s': %s\n", cachefile,
1720 strerror(errno));
1721 exit(1);
1722 }
1723
1724 if (fstat64(fd, &statbuf) != 0) {
1725 (void) printf("failed to stat '%s': %s\n", cachefile,
1726 strerror(errno));
1727 exit(1);
1728 }
1729
1730 if ((buf = malloc(statbuf.st_size)) == NULL) {
1731 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1732 (u_longlong_t)statbuf.st_size);
1733 exit(1);
1734 }
1735
1736 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1737 (void) fprintf(stderr, "failed to read %llu bytes\n",
1738 (u_longlong_t)statbuf.st_size);
1739 exit(1);
1740 }
1741
1742 (void) close(fd);
1743
1744 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1745 (void) fprintf(stderr, "failed to unpack nvlist\n");
1746 exit(1);
1747 }
1748
1749 free(buf);
1750
1751 dump_nvlist(config, 0);
1752
1753 nvlist_free(config);
1754 }
1755
1756 #define ZDB_MAX_UB_HEADER_SIZE 32
1757
1758 static void
1759 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
1760 {
1761 vdev_t vd;
1762 vdev_t *vdp = &vd;
1763 char header[ZDB_MAX_UB_HEADER_SIZE];
1764 int i;
1765
1766 vd.vdev_ashift = ashift;
1767 vdp->vdev_top = vdp;
1768
1769 for (i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
1770 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
1771 uberblock_t *ub = (void *)((char *)lbl + uoff);
1772
1773 if (uberblock_verify(ub))
1774 continue;
1775 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
1776 "Uberblock[%d]\n", i);
1777 dump_uberblock(ub, header, "");
1778 }
1779 }
1780
1781 static void
1782 dump_label(const char *dev)
1783 {
1784 int fd;
1785 vdev_label_t label;
1786 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
1787 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1788 struct stat64 statbuf;
1789 uint64_t psize, ashift;
1790 int len = strlen(dev) + 1;
1791 int l;
1792
1793 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
1794 len++;
1795 path = malloc(len);
1796 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
1797 } else {
1798 path = strdup(dev);
1799 }
1800
1801 if ((fd = open64(path, O_RDONLY)) < 0) {
1802 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
1803 free(path);
1804 exit(1);
1805 }
1806
1807 if (fstat64(fd, &statbuf) != 0) {
1808 (void) printf("failed to stat '%s': %s\n", path,
1809 strerror(errno));
1810 free(path);
1811 (void) close(fd);
1812 exit(1);
1813 }
1814
1815 if (S_ISBLK(statbuf.st_mode)) {
1816 (void) printf("cannot use '%s': character device required\n",
1817 path);
1818 free(path);
1819 (void) close(fd);
1820 exit(1);
1821 }
1822
1823 psize = statbuf.st_size;
1824 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1825
1826 for (l = 0; l < VDEV_LABELS; l++) {
1827 nvlist_t *config = NULL;
1828
1829 (void) printf("--------------------------------------------\n");
1830 (void) printf("LABEL %d\n", l);
1831 (void) printf("--------------------------------------------\n");
1832
1833 if (pread64(fd, &label, sizeof (label),
1834 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1835 (void) printf("failed to read label %d\n", l);
1836 continue;
1837 }
1838
1839 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1840 (void) printf("failed to unpack label %d\n", l);
1841 ashift = SPA_MINBLOCKSHIFT;
1842 } else {
1843 nvlist_t *vdev_tree = NULL;
1844
1845 dump_nvlist(config, 4);
1846 if ((nvlist_lookup_nvlist(config,
1847 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
1848 (nvlist_lookup_uint64(vdev_tree,
1849 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
1850 ashift = SPA_MINBLOCKSHIFT;
1851 nvlist_free(config);
1852 }
1853 if (dump_opt['u'])
1854 dump_label_uberblocks(&label, ashift);
1855 }
1856
1857 free(path);
1858 (void) close(fd);
1859 }
1860
1861 /*ARGSUSED*/
1862 static int
1863 dump_one_dir(const char *dsname, void *arg)
1864 {
1865 int error;
1866 objset_t *os;
1867
1868 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
1869 if (error) {
1870 (void) printf("Could not open %s, error %d\n", dsname, error);
1871 return (0);
1872 }
1873 dump_dir(os);
1874 dmu_objset_disown(os, FTAG);
1875 fuid_table_destroy();
1876 sa_loaded = B_FALSE;
1877 return (0);
1878 }
1879
1880 /*
1881 * Block statistics.
1882 */
1883 typedef struct zdb_blkstats {
1884 uint64_t zb_asize;
1885 uint64_t zb_lsize;
1886 uint64_t zb_psize;
1887 uint64_t zb_count;
1888 } zdb_blkstats_t;
1889
1890 /*
1891 * Extended object types to report deferred frees and dedup auto-ditto blocks.
1892 */
1893 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
1894 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
1895 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2)
1896
1897 static char *zdb_ot_extname[] = {
1898 "deferred free",
1899 "dedup ditto",
1900 "Total",
1901 };
1902
1903 #define ZB_TOTAL DN_MAX_LEVELS
1904
1905 typedef struct zdb_cb {
1906 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
1907 uint64_t zcb_dedup_asize;
1908 uint64_t zcb_dedup_blocks;
1909 uint64_t zcb_errors[256];
1910 int zcb_readfails;
1911 int zcb_haderrors;
1912 spa_t *zcb_spa;
1913 } zdb_cb_t;
1914
1915 static void
1916 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
1917 dmu_object_type_t type)
1918 {
1919 uint64_t refcnt = 0;
1920 int i;
1921
1922 ASSERT(type < ZDB_OT_TOTAL);
1923
1924 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
1925 return;
1926
1927 for (i = 0; i < 4; i++) {
1928 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1929 int t = (i & 1) ? type : ZDB_OT_TOTAL;
1930 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1931
1932 zb->zb_asize += BP_GET_ASIZE(bp);
1933 zb->zb_lsize += BP_GET_LSIZE(bp);
1934 zb->zb_psize += BP_GET_PSIZE(bp);
1935 zb->zb_count++;
1936 }
1937
1938 if (dump_opt['L'])
1939 return;
1940
1941 if (BP_GET_DEDUP(bp)) {
1942 ddt_t *ddt;
1943 ddt_entry_t *dde;
1944
1945 ddt = ddt_select(zcb->zcb_spa, bp);
1946 ddt_enter(ddt);
1947 dde = ddt_lookup(ddt, bp, B_FALSE);
1948
1949 if (dde == NULL) {
1950 refcnt = 0;
1951 } else {
1952 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
1953 ddt_phys_decref(ddp);
1954 refcnt = ddp->ddp_refcnt;
1955 if (ddt_phys_total_refcnt(dde) == 0)
1956 ddt_remove(ddt, dde);
1957 }
1958 ddt_exit(ddt);
1959 }
1960
1961 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
1962 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
1963 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
1964 }
1965
1966 /* ARGSUSED */
1967 static int
1968 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
1969 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
1970 {
1971 zdb_cb_t *zcb = arg;
1972 char blkbuf[BP_SPRINTF_LEN];
1973 dmu_object_type_t type;
1974 boolean_t is_metadata;
1975
1976 if (bp == NULL)
1977 return (0);
1978
1979 type = BP_GET_TYPE(bp);
1980
1981 zdb_count_block(zcb, zilog, bp, type);
1982
1983 is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata);
1984
1985 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
1986 int ioerr;
1987 size_t size = BP_GET_PSIZE(bp);
1988 void *data = malloc(size);
1989 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
1990
1991 /* If it's an intent log block, failure is expected. */
1992 if (zb->zb_level == ZB_ZIL_LEVEL)
1993 flags |= ZIO_FLAG_SPECULATIVE;
1994
1995 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
1996 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
1997
1998 free(data);
1999
2000 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
2001 zcb->zcb_haderrors = 1;
2002 zcb->zcb_errors[ioerr]++;
2003
2004 if (dump_opt['b'] >= 2)
2005 sprintf_blkptr(blkbuf, bp);
2006 else
2007 blkbuf[0] = '\0';
2008
2009 (void) printf("zdb_blkptr_cb: "
2010 "Got error %d reading "
2011 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2012 ioerr,
2013 (u_longlong_t)zb->zb_objset,
2014 (u_longlong_t)zb->zb_object,
2015 (u_longlong_t)zb->zb_level,
2016 (u_longlong_t)zb->zb_blkid,
2017 blkbuf);
2018 }
2019 }
2020
2021 zcb->zcb_readfails = 0;
2022
2023 if (dump_opt['b'] >= 4) {
2024 sprintf_blkptr(blkbuf, bp);
2025 (void) printf("objset %llu object %llu "
2026 "level %lld offset 0x%llx %s\n",
2027 (u_longlong_t)zb->zb_objset,
2028 (u_longlong_t)zb->zb_object,
2029 (longlong_t)zb->zb_level,
2030 (u_longlong_t)blkid2offset(dnp, bp, zb),
2031 blkbuf);
2032 }
2033
2034 return (0);
2035 }
2036
2037 static void
2038 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
2039 {
2040 vdev_t *vd = sm->sm_ppd;
2041
2042 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2043 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2044 }
2045
2046 /* ARGSUSED */
2047 static void
2048 zdb_space_map_load(space_map_t *sm)
2049 {
2050 }
2051
2052 static void
2053 zdb_space_map_unload(space_map_t *sm)
2054 {
2055 space_map_vacate(sm, zdb_leak, sm);
2056 }
2057
2058 /* ARGSUSED */
2059 static void
2060 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
2061 {
2062 }
2063
2064 static space_map_ops_t zdb_space_map_ops = {
2065 zdb_space_map_load,
2066 zdb_space_map_unload,
2067 NULL, /* alloc */
2068 zdb_space_map_claim,
2069 NULL, /* free */
2070 NULL /* maxsize */
2071 };
2072
2073 static void
2074 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2075 {
2076 ddt_bookmark_t ddb = { 0 };
2077 ddt_entry_t dde;
2078 int error;
2079 int p;
2080
2081 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2082 blkptr_t blk;
2083 ddt_phys_t *ddp = dde.dde_phys;
2084
2085 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2086 return;
2087
2088 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2089
2090 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
2091 if (ddp->ddp_phys_birth == 0)
2092 continue;
2093 ddt_bp_create(ddb.ddb_checksum,
2094 &dde.dde_key, ddp, &blk);
2095 if (p == DDT_PHYS_DITTO) {
2096 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2097 } else {
2098 zcb->zcb_dedup_asize +=
2099 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2100 zcb->zcb_dedup_blocks++;
2101 }
2102 }
2103 if (!dump_opt['L']) {
2104 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2105 ddt_enter(ddt);
2106 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2107 ddt_exit(ddt);
2108 }
2109 }
2110
2111 ASSERT(error == ENOENT);
2112 }
2113
2114 static void
2115 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2116 {
2117 zcb->zcb_spa = spa;
2118 int c, m;
2119
2120 if (!dump_opt['L']) {
2121 vdev_t *rvd = spa->spa_root_vdev;
2122 for (c = 0; c < rvd->vdev_children; c++) {
2123 vdev_t *vd = rvd->vdev_child[c];
2124 for (m = 0; m < vd->vdev_ms_count; m++) {
2125 metaslab_t *msp = vd->vdev_ms[m];
2126 mutex_enter(&msp->ms_lock);
2127 space_map_unload(&msp->ms_map);
2128 VERIFY(space_map_load(&msp->ms_map,
2129 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
2130 spa->spa_meta_objset) == 0);
2131 msp->ms_map.sm_ppd = vd;
2132 mutex_exit(&msp->ms_lock);
2133 }
2134 }
2135 }
2136
2137 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2138
2139 zdb_ddt_leak_init(spa, zcb);
2140
2141 spa_config_exit(spa, SCL_CONFIG, FTAG);
2142 }
2143
2144 static void
2145 zdb_leak_fini(spa_t *spa)
2146 {
2147 int c, m;
2148
2149 if (!dump_opt['L']) {
2150 vdev_t *rvd = spa->spa_root_vdev;
2151 for (c = 0; c < rvd->vdev_children; c++) {
2152 vdev_t *vd = rvd->vdev_child[c];
2153 for (m = 0; m < vd->vdev_ms_count; m++) {
2154 metaslab_t *msp = vd->vdev_ms[m];
2155 mutex_enter(&msp->ms_lock);
2156 space_map_unload(&msp->ms_map);
2157 mutex_exit(&msp->ms_lock);
2158 }
2159 }
2160 }
2161 }
2162
2163 /* ARGSUSED */
2164 static int
2165 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2166 {
2167 zdb_cb_t *zcb = arg;
2168
2169 if (dump_opt['b'] >= 4) {
2170 char blkbuf[BP_SPRINTF_LEN];
2171 sprintf_blkptr(blkbuf, bp);
2172 (void) printf("[%s] %s\n",
2173 "deferred free", blkbuf);
2174 }
2175 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2176 return (0);
2177 }
2178
2179 static int
2180 dump_block_stats(spa_t *spa)
2181 {
2182 zdb_cb_t zcb = { 0 };
2183 zdb_blkstats_t *zb, *tzb;
2184 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2185 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
2186 int leaks = 0;
2187 int e;
2188
2189 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
2190 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2191 (dump_opt['c'] == 1) ? "metadata " : "",
2192 dump_opt['c'] ? "checksums " : "",
2193 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2194 !dump_opt['L'] ? "nothing leaked " : "");
2195
2196 /*
2197 * Load all space maps as SM_ALLOC maps, then traverse the pool
2198 * claiming each block we discover. If the pool is perfectly
2199 * consistent, the space maps will be empty when we're done.
2200 * Anything left over is a leak; any block we can't claim (because
2201 * it's not part of any space map) is a double allocation,
2202 * reference to a freed block, or an unclaimed log block.
2203 */
2204 zdb_leak_init(spa, &zcb);
2205
2206 /*
2207 * If there's a deferred-free bplist, process that first.
2208 */
2209 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
2210 count_block_cb, &zcb, NULL);
2211 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
2212 count_block_cb, &zcb, NULL);
2213
2214 if (dump_opt['c'] > 1)
2215 flags |= TRAVERSE_PREFETCH_DATA;
2216
2217 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
2218
2219 if (zcb.zcb_haderrors) {
2220 (void) printf("\nError counts:\n\n");
2221 (void) printf("\t%5s %s\n", "errno", "count");
2222 for (e = 0; e < 256; e++) {
2223 if (zcb.zcb_errors[e] != 0) {
2224 (void) printf("\t%5d %llu\n",
2225 e, (u_longlong_t)zcb.zcb_errors[e]);
2226 }
2227 }
2228 }
2229
2230 /*
2231 * Report any leaked segments.
2232 */
2233 zdb_leak_fini(spa);
2234
2235 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
2236
2237 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2238 norm_space = metaslab_class_get_space(spa_normal_class(spa));
2239
2240 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2241 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
2242
2243 if (total_found == total_alloc) {
2244 if (!dump_opt['L'])
2245 (void) printf("\n\tNo leaks (block sum matches space"
2246 " maps exactly)\n");
2247 } else {
2248 (void) printf("block traversal size %llu != alloc %llu "
2249 "(%s %lld)\n",
2250 (u_longlong_t)total_found,
2251 (u_longlong_t)total_alloc,
2252 (dump_opt['L']) ? "unreachable" : "leaked",
2253 (longlong_t)(total_alloc - total_found));
2254 leaks = 1;
2255 }
2256
2257 if (tzb->zb_count == 0)
2258 return (2);
2259
2260 (void) printf("\n");
2261 (void) printf("\tbp count: %10llu\n",
2262 (u_longlong_t)tzb->zb_count);
2263 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2264 (u_longlong_t)tzb->zb_lsize,
2265 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
2266 (void) printf("\tbp physical: %10llu avg:"
2267 " %6llu compression: %6.2f\n",
2268 (u_longlong_t)tzb->zb_psize,
2269 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2270 (double)tzb->zb_lsize / tzb->zb_psize);
2271 (void) printf("\tbp allocated: %10llu avg:"
2272 " %6llu compression: %6.2f\n",
2273 (u_longlong_t)tzb->zb_asize,
2274 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2275 (double)tzb->zb_lsize / tzb->zb_asize);
2276 (void) printf("\tbp deduped: %10llu ref>1:"
2277 " %6llu deduplication: %6.2f\n",
2278 (u_longlong_t)zcb.zcb_dedup_asize,
2279 (u_longlong_t)zcb.zcb_dedup_blocks,
2280 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2281 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2282 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
2283
2284 if (dump_opt['b'] >= 2) {
2285 int l, t, level;
2286 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2287 "\t avg\t comp\t%%Total\tType\n");
2288
2289 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2290 char csize[32], lsize[32], psize[32], asize[32];
2291 char avg[32];
2292 char *typename;
2293
2294 if (t < DMU_OT_NUMTYPES)
2295 typename = dmu_ot[t].ot_name;
2296 else
2297 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
2298
2299 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2300 (void) printf("%6s\t%5s\t%5s\t%5s"
2301 "\t%5s\t%5s\t%6s\t%s\n",
2302 "-",
2303 "-",
2304 "-",
2305 "-",
2306 "-",
2307 "-",
2308 "-",
2309 typename);
2310 continue;
2311 }
2312
2313 for (l = ZB_TOTAL - 1; l >= -1; l--) {
2314 level = (l == -1 ? ZB_TOTAL : l);
2315 zb = &zcb.zcb_type[level][t];
2316
2317 if (zb->zb_asize == 0)
2318 continue;
2319
2320 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2321 continue;
2322
2323 if (level == 0 && zb->zb_asize ==
2324 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2325 continue;
2326
2327 zdb_nicenum(zb->zb_count, csize);
2328 zdb_nicenum(zb->zb_lsize, lsize);
2329 zdb_nicenum(zb->zb_psize, psize);
2330 zdb_nicenum(zb->zb_asize, asize);
2331 zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
2332
2333 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2334 "\t%5.2f\t%6.2f\t",
2335 csize, lsize, psize, asize, avg,
2336 (double)zb->zb_lsize / zb->zb_psize,
2337 100.0 * zb->zb_asize / tzb->zb_asize);
2338
2339 if (level == ZB_TOTAL)
2340 (void) printf("%s\n", typename);
2341 else
2342 (void) printf(" L%d %s\n",
2343 level, typename);
2344 }
2345 }
2346 }
2347
2348 (void) printf("\n");
2349
2350 if (leaks)
2351 return (2);
2352
2353 if (zcb.zcb_haderrors)
2354 return (3);
2355
2356 return (0);
2357 }
2358
2359 typedef struct zdb_ddt_entry {
2360 ddt_key_t zdde_key;
2361 uint64_t zdde_ref_blocks;
2362 uint64_t zdde_ref_lsize;
2363 uint64_t zdde_ref_psize;
2364 uint64_t zdde_ref_dsize;
2365 avl_node_t zdde_node;
2366 } zdb_ddt_entry_t;
2367
2368 /* ARGSUSED */
2369 static int
2370 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2371 arc_buf_t *pbuf, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2372 {
2373 avl_tree_t *t = arg;
2374 avl_index_t where;
2375 zdb_ddt_entry_t *zdde, zdde_search;
2376
2377 if (bp == NULL)
2378 return (0);
2379
2380 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2381 (void) printf("traversing objset %llu, %llu objects, "
2382 "%lu blocks so far\n",
2383 (u_longlong_t)zb->zb_objset,
2384 (u_longlong_t)bp->blk_fill,
2385 avl_numnodes(t));
2386 }
2387
2388 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
2389 BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata)
2390 return (0);
2391
2392 ddt_key_fill(&zdde_search.zdde_key, bp);
2393
2394 zdde = avl_find(t, &zdde_search, &where);
2395
2396 if (zdde == NULL) {
2397 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2398 zdde->zdde_key = zdde_search.zdde_key;
2399 avl_insert(t, zdde, where);
2400 }
2401
2402 zdde->zdde_ref_blocks += 1;
2403 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2404 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2405 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2406
2407 return (0);
2408 }
2409
2410 static void
2411 dump_simulated_ddt(spa_t *spa)
2412 {
2413 avl_tree_t t;
2414 void *cookie = NULL;
2415 zdb_ddt_entry_t *zdde;
2416 ddt_histogram_t ddh_total = { 0 };
2417 ddt_stat_t dds_total = { 0 };
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 (void) write(1, buf, 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;
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 g_zfs = libzfs_init();
3037 ASSERT(g_zfs != NULL);
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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