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34dc7c2f
BB		 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/*
428870ff 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
34dc7c2f
BB		 23 */
24
34dc7c2f
BB		 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>
428870ff
BB		 36#include <sys/zfs_sa.h>
37#include <sys/sa.h>
38#include <sys/sa_impl.h>
34dc7c2f
BB		 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>
b128c09f 55#include <sys/arc.h>
428870ff 56#include <sys/ddt.h>
34dc7c2f 57#undef ZFS_MAXNAMELEN
34dc7c2f
BB		 58#include <libzfs.h>
59
428870ff
BB		 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
69extern int zfs_recover;
70#else
71int zfs_recover;
72#endif
73
34dc7c2f
BB		 74const char cmdname[] = "zdb";
75uint8_t dump_opt[256];
76
77typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
78
79extern void dump_intent_log(zilog_t *);
80uint64_t *zopt_object = NULL;
81int zopt_objects = 0;
34dc7c2f 82libzfs_handle_t *g_zfs;
34dc7c2f
BB		 83
84/*
85 * These libumem hooks provide a reasonable set of defaults for the allocator's
86 * debugging facilities.
87 */
88const char *
0bc8fd78 89_umem_debug_init(void)
34dc7c2f
BB		 90{
91 return ("default,verbose"); /* $UMEM_DEBUG setting */
92}
93
94const char *
95_umem_logging_init(void)
96{
97 return ("fail,contents"); /* $UMEM_LOGGING setting */
98}
99
100static void
101usage(void)
102{
103 (void) fprintf(stderr,
428870ff
BB		 104 "Usage: %s [-CumdibcsDvhL] poolname [object...]\n"
105 " %s [-div] dataset [object...]\n"
106 " %s -m [-L] poolname [vdev [metaslab...]]\n"
107 " %s -R poolname vdev:offset:size[:flags]\n"
108 " %s -S poolname\n"
109 " %s -l [-u] device\n"
110 " %s -C\n\n",
111 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
112
113 (void) fprintf(stderr, " Dataset name must include at least one "
114 "separator character '/' or '@'\n");
115 (void) fprintf(stderr, " If dataset name is specified, only that "
116 "dataset is dumped\n");
117 (void) fprintf(stderr, " If object numbers are specified, only "
118 "those objects are dumped\n\n");
119 (void) fprintf(stderr, " Options to control amount of output:\n");
120 (void) fprintf(stderr, " -u uberblock\n");
121 (void) fprintf(stderr, " -d dataset(s)\n");
122 (void) fprintf(stderr, " -i intent logs\n");
123 (void) fprintf(stderr, " -C config (or cachefile if alone)\n");
124 (void) fprintf(stderr, " -h pool history\n");
125 (void) fprintf(stderr, " -b block statistics\n");
126 (void) fprintf(stderr, " -m metaslabs\n");
127 (void) fprintf(stderr, " -c checksum all metadata (twice for "
9babb374 128 "all data) blocks\n");
428870ff
BB		 129 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
130 (void) fprintf(stderr, " -D dedup statistics\n");
131 (void) fprintf(stderr, " -S simulate dedup to measure effect\n");
132 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
34dc7c2f 133 (void) fprintf(stderr, " -l dump label contents\n");
fb5f0bc8
BB		 134 (void) fprintf(stderr, " -L disable leak tracking (do not "
135 "load spacemaps)\n");
34dc7c2f 136 (void) fprintf(stderr, " -R read and display block from a "
428870ff
BB		 137 "device\n\n");
138 (void) fprintf(stderr, " Below options are intended for use "
139 "with other options (except -l):\n");
140 (void) fprintf(stderr, " -A ignore assertions (-A), enable "
141 "panic recovery (-AA) or both (-AAA)\n");
142 (void) fprintf(stderr, " -F attempt automatic rewind within "
143 "safe range of transaction groups\n");
144 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
145 "cachefile\n");
146 (void) fprintf(stderr, " -X attempt extreme rewind (does not "
147 "work with dataset)\n");
148 (void) fprintf(stderr, " -e pool is exported/destroyed/"
149 "has altroot/not in a cachefile\n");
150 (void) fprintf(stderr, " -p <path> -- use one or more with "
151 "-e to specify path to vdev dir\n");
152 (void) fprintf(stderr, " -P print numbers parsable\n");
153 (void) fprintf(stderr, " -t <txg> -- highest txg to use when "
fb5f0bc8 154 "searching for uberblocks\n");
34dc7c2f
BB		 155 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
156 "to make only that option verbose\n");
157 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
158 exit(1);
159}
160
9babb374
BB		 161/*
162 * Called for usage errors that are discovered after a call to spa_open(),
163 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
164 */
165
34dc7c2f
BB		 166static void
167fatal(const char *fmt, ...)
168{
169 va_list ap;
170
171 va_start(ap, fmt);
172 (void) fprintf(stderr, "%s: ", cmdname);
173 (void) vfprintf(stderr, fmt, ap);
174 va_end(ap);
175 (void) fprintf(stderr, "\n");
176
9babb374 177 exit(1);
34dc7c2f
BB		 178}
179
34dc7c2f
BB		 180/* ARGSUSED */
181static void
182dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
183{
184 nvlist_t *nv;
185 size_t nvsize = *(uint64_t *)data;
186 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
187
9babb374 188 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
34dc7c2f
BB		 189
190 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
191
192 umem_free(packed, nvsize);
193
194 dump_nvlist(nv, 8);
195
196 nvlist_free(nv);
197}
198
428870ff
BB		 199static void
200zdb_nicenum(uint64_t num, char *buf)
201{
202 if (dump_opt['P'])
203 (void) sprintf(buf, "%llu", (longlong_t)num);
204 else
205 nicenum(num, buf);
206}
207
34dc7c2f
BB		 208const char dump_zap_stars[] = "****************************************";
209const int dump_zap_width = sizeof (dump_zap_stars) - 1;
210
211static void
212dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
213{
214 int i;
215 int minidx = ZAP_HISTOGRAM_SIZE - 1;
216 int maxidx = 0;
217 uint64_t max = 0;
218
219 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
220 if (histo[i] > max)
221 max = histo[i];
222 if (histo[i] > 0 && i > maxidx)
223 maxidx = i;
224 if (histo[i] > 0 && i < minidx)
225 minidx = i;
226 }
227
228 if (max < dump_zap_width)
229 max = dump_zap_width;
230
231 for (i = minidx; i <= maxidx; i++)
232 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
233 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
234}
235
236static void
237dump_zap_stats(objset_t *os, uint64_t object)
238{
239 int error;
240 zap_stats_t zs;
241
242 error = zap_get_stats(os, object, &zs);
243 if (error)
244 return;
245
246 if (zs.zs_ptrtbl_len == 0) {
247 ASSERT(zs.zs_num_blocks == 1);
248 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
249 (u_longlong_t)zs.zs_blocksize,
250 (u_longlong_t)zs.zs_num_entries);
251 return;
252 }
253
254 (void) printf("\tFat ZAP stats:\n");
255
256 (void) printf("\t\tPointer table:\n");
257 (void) printf("\t\t\t%llu elements\n",
258 (u_longlong_t)zs.zs_ptrtbl_len);
259 (void) printf("\t\t\tzt_blk: %llu\n",
260 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
261 (void) printf("\t\t\tzt_numblks: %llu\n",
262 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
263 (void) printf("\t\t\tzt_shift: %llu\n",
264 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
265 (void) printf("\t\t\tzt_blks_copied: %llu\n",
266 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
267 (void) printf("\t\t\tzt_nextblk: %llu\n",
268 (u_longlong_t)zs.zs_ptrtbl_nextblk);
269
270 (void) printf("\t\tZAP entries: %llu\n",
271 (u_longlong_t)zs.zs_num_entries);
272 (void) printf("\t\tLeaf blocks: %llu\n",
273 (u_longlong_t)zs.zs_num_leafs);
274 (void) printf("\t\tTotal blocks: %llu\n",
275 (u_longlong_t)zs.zs_num_blocks);
276 (void) printf("\t\tzap_block_type: 0x%llx\n",
277 (u_longlong_t)zs.zs_block_type);
278 (void) printf("\t\tzap_magic: 0x%llx\n",
279 (u_longlong_t)zs.zs_magic);
280 (void) printf("\t\tzap_salt: 0x%llx\n",
281 (u_longlong_t)zs.zs_salt);
282
283 (void) printf("\t\tLeafs with 2^n pointers:\n");
284 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
285
286 (void) printf("\t\tBlocks with n*5 entries:\n");
287 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
288
289 (void) printf("\t\tBlocks n/10 full:\n");
290 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
291
292 (void) printf("\t\tEntries with n chunks:\n");
293 dump_zap_histogram(zs.zs_entries_using_n_chunks);
294
295 (void) printf("\t\tBuckets with n entries:\n");
296 dump_zap_histogram(zs.zs_buckets_with_n_entries);
297}
298
299/*ARGSUSED*/
300static void
301dump_none(objset_t *os, uint64_t object, void *data, size_t size)
302{
303}
304
428870ff
BB		 305/*ARGSUSED*/
306static void
307dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
308{
309 (void) printf("\tUNKNOWN OBJECT TYPE\n");
310}
311
34dc7c2f
BB		 312/*ARGSUSED*/
313void
314dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
315{
316}
317
318/*ARGSUSED*/
319static void
320dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
321{
322}
323
324/*ARGSUSED*/
325static void
326dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
327{
328 zap_cursor_t zc;
329 zap_attribute_t attr;
330 void *prop;
331 int i;
332
333 dump_zap_stats(os, object);
334 (void) printf("\n");
335
336 for (zap_cursor_init(&zc, os, object);
337 zap_cursor_retrieve(&zc, &attr) == 0;
338 zap_cursor_advance(&zc)) {
339 (void) printf("\t\t%s = ", attr.za_name);
340 if (attr.za_num_integers == 0) {
341 (void) printf("\n");
342 continue;
343 }
344 prop = umem_zalloc(attr.za_num_integers *
345 attr.za_integer_length, UMEM_NOFAIL);
346 (void) zap_lookup(os, object, attr.za_name,
347 attr.za_integer_length, attr.za_num_integers, prop);
348 if (attr.za_integer_length == 1) {
349 (void) printf("%s", (char *)prop);
350 } else {
351 for (i = 0; i < attr.za_num_integers; i++) {
352 switch (attr.za_integer_length) {
353 case 2:
354 (void) printf("%u ",
355 ((uint16_t *)prop)[i]);
356 break;
357 case 4:
358 (void) printf("%u ",
359 ((uint32_t *)prop)[i]);
360 break;
361 case 8:
362 (void) printf("%lld ",
363 (u_longlong_t)((int64_t *)prop)[i]);
364 break;
365 }
366 }
367 }
368 (void) printf("\n");
369 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
370 }
371 zap_cursor_fini(&zc);
372}
373
428870ff
BB		 374/*ARGSUSED*/
375static void
376dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
377{
378 dump_zap_stats(os, object);
379 /* contents are printed elsewhere, properly decoded */
380}
381
382/*ARGSUSED*/
383static void
384dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
385{
386 zap_cursor_t zc;
387 zap_attribute_t attr;
388
389 dump_zap_stats(os, object);
390 (void) printf("\n");
391
392 for (zap_cursor_init(&zc, os, object);
393 zap_cursor_retrieve(&zc, &attr) == 0;
394 zap_cursor_advance(&zc)) {
395 (void) printf("\t\t%s = ", attr.za_name);
396 if (attr.za_num_integers == 0) {
397 (void) printf("\n");
398 continue;
399 }
400 (void) printf(" %llx : [%d:%d:%d]\n",
401 (u_longlong_t)attr.za_first_integer,
402 (int)ATTR_LENGTH(attr.za_first_integer),
403 (int)ATTR_BSWAP(attr.za_first_integer),
404 (int)ATTR_NUM(attr.za_first_integer));
405 }
406 zap_cursor_fini(&zc);
407}
408
409/*ARGSUSED*/
410static void
411dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
412{
413 zap_cursor_t zc;
414 zap_attribute_t attr;
415 uint16_t *layout_attrs;
416 int i;
417
418 dump_zap_stats(os, object);
419 (void) printf("\n");
420
421 for (zap_cursor_init(&zc, os, object);
422 zap_cursor_retrieve(&zc, &attr) == 0;
423 zap_cursor_advance(&zc)) {
424 (void) printf("\t\t%s = [", attr.za_name);
425 if (attr.za_num_integers == 0) {
426 (void) printf("\n");
427 continue;
428 }
429
430 VERIFY(attr.za_integer_length == 2);
431 layout_attrs = umem_zalloc(attr.za_num_integers *
432 attr.za_integer_length, UMEM_NOFAIL);
433
434 VERIFY(zap_lookup(os, object, attr.za_name,
435 attr.za_integer_length,
436 attr.za_num_integers, layout_attrs) == 0);
437
438 for (i = 0; i != attr.za_num_integers; i++)
439 (void) printf(" %d ", (int)layout_attrs[i]);
440 (void) printf("]\n");
441 umem_free(layout_attrs,
442 attr.za_num_integers * attr.za_integer_length);
443 }
444 zap_cursor_fini(&zc);
445}
446
34dc7c2f
BB		 447/*ARGSUSED*/
448static void
449dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
450{
451 zap_cursor_t zc;
452 zap_attribute_t attr;
453 const char *typenames[] = {
454 /* 0 */ "not specified",
455 /* 1 */ "FIFO",
456 /* 2 */ "Character Device",
457 /* 3 */ "3 (invalid)",
458 /* 4 */ "Directory",
459 /* 5 */ "5 (invalid)",
460 /* 6 */ "Block Device",
461 /* 7 */ "7 (invalid)",
462 /* 8 */ "Regular File",
463 /* 9 */ "9 (invalid)",
464 /* 10 */ "Symbolic Link",
465 /* 11 */ "11 (invalid)",
466 /* 12 */ "Socket",
467 /* 13 */ "Door",
468 /* 14 */ "Event Port",
469 /* 15 */ "15 (invalid)",
470 };
471
472 dump_zap_stats(os, object);
473 (void) printf("\n");
474
475 for (zap_cursor_init(&zc, os, object);
476 zap_cursor_retrieve(&zc, &attr) == 0;
477 zap_cursor_advance(&zc)) {
478 (void) printf("\t\t%s = %lld (type: %s)\n",
479 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
480 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
481 }
482 zap_cursor_fini(&zc);
483}
484
485static void
486dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
487{
488 uint64_t alloc, offset, entry;
489 uint8_t mapshift = sm->sm_shift;
490 uint64_t mapstart = sm->sm_start;
491 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
492 "INVALID", "INVALID", "INVALID", "INVALID" };
493
494 if (smo->smo_object == 0)
495 return;
496
497 /*
498 * Print out the freelist entries in both encoded and decoded form.
499 */
500 alloc = 0;
501 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
428870ff 502 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset,
9babb374 503 sizeof (entry), &entry, DMU_READ_PREFETCH));
34dc7c2f 504 if (SM_DEBUG_DECODE(entry)) {
428870ff 505 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
34dc7c2f
BB		 506 (u_longlong_t)(offset / sizeof (entry)),
507 ddata[SM_DEBUG_ACTION_DECODE(entry)],
508 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
509 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
510 } else {
428870ff
BB		 511 (void) printf("\t [%6llu] %c range:"
512 " %010llx-%010llx size: %06llx\n",
34dc7c2f
BB		 513 (u_longlong_t)(offset / sizeof (entry)),
514 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
515 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
516 mapshift) + mapstart),
517 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
518 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
519 mapshift)),
520 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
521 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
522 alloc += SM_RUN_DECODE(entry) << mapshift;
523 else
524 alloc -= SM_RUN_DECODE(entry) << mapshift;
525 }
526 }
527 if (alloc != smo->smo_alloc) {
528 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
529 "with space map summary (%llu)\n",
530 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
531 }
532}
533
9babb374
BB		 534static void
535dump_metaslab_stats(metaslab_t *msp)
536{
428870ff 537 char maxbuf[32];
9babb374
BB		 538 space_map_t *sm = &msp->ms_map;
539 avl_tree_t *t = sm->sm_pp_root;
540 int free_pct = sm->sm_space * 100 / sm->sm_size;
541
428870ff 542 zdb_nicenum(space_map_maxsize(sm), maxbuf);
9babb374 543
428870ff 544 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
9babb374
BB		 545 "segments", avl_numnodes(t), "maxsize", maxbuf,
546 "freepct", free_pct);
547}
548
34dc7c2f
BB		 549static void
550dump_metaslab(metaslab_t *msp)
551{
34dc7c2f
BB		 552 vdev_t *vd = msp->ms_group->mg_vd;
553 spa_t *spa = vd->vdev_spa;
428870ff
BB		 554 space_map_t *sm = &msp->ms_map;
555 space_map_obj_t *smo = &msp->ms_smo;
556 char freebuf[32];
34dc7c2f 557
428870ff 558 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf);
34dc7c2f 559
34dc7c2f 560 (void) printf(
428870ff
BB		 561 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
562 (u_longlong_t)(sm->sm_start / sm->sm_size),
563 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf);
34dc7c2f 564
428870ff 565 if (dump_opt['m'] > 1 && !dump_opt['L']) {
9babb374 566 mutex_enter(&msp->ms_lock);
428870ff
BB		 567 space_map_load_wait(sm);
568 if (!sm->sm_loaded)
569 VERIFY(space_map_load(sm, zfs_metaslab_ops,
570 SM_FREE, smo, spa->spa_meta_objset) == 0);
9babb374 571 dump_metaslab_stats(msp);
428870ff 572 space_map_unload(sm);
9babb374
BB		 573 mutex_exit(&msp->ms_lock);
574 }
575
576 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
428870ff 577 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift));
9babb374
BB		 578
579 mutex_enter(&msp->ms_lock);
428870ff 580 dump_spacemap(spa->spa_meta_objset, smo, sm);
9babb374
BB		 581 mutex_exit(&msp->ms_lock);
582 }
428870ff 583}
34dc7c2f 584
428870ff
BB		 585static void
586print_vdev_metaslab_header(vdev_t *vd)
587{
588 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
589 (u_longlong_t)vd->vdev_id,
590 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
591 "offset", "spacemap", "free");
592 (void) printf("\t%15s %19s %15s %10s\n",
593 "---------------", "-------------------",
594 "---------------", "-------------");
34dc7c2f
BB		 595}
596
597static void
598dump_metaslabs(spa_t *spa)
599{
428870ff
BB		 600 vdev_t *vd, *rvd = spa->spa_root_vdev;
601 uint64_t m, c = 0, children = rvd->vdev_children;
34dc7c2f
BB		 602
603 (void) printf("\nMetaslabs:\n");
604
428870ff
BB		 605 if (!dump_opt['d'] && zopt_objects > 0) {
606 c = zopt_object[0];
607
608 if (c >= children)
609 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
34dc7c2f 610
428870ff
BB		 611 if (zopt_objects > 1) {
612 vd = rvd->vdev_child[c];
613 print_vdev_metaslab_header(vd);
614
615 for (m = 1; m < zopt_objects; m++) {
616 if (zopt_object[m] < vd->vdev_ms_count)
617 dump_metaslab(
618 vd->vdev_ms[zopt_object[m]]);
619 else
620 (void) fprintf(stderr, "bad metaslab "
621 "number %llu\n",
622 (u_longlong_t)zopt_object[m]);
623 }
624 (void) printf("\n");
625 return;
626 }
627 children = c + 1;
628 }
629 for (; c < children; c++) {
630 vd = rvd->vdev_child[c];
631 print_vdev_metaslab_header(vd);
34dc7c2f 632
34dc7c2f
BB		 633 for (m = 0; m < vd->vdev_ms_count; m++)
634 dump_metaslab(vd->vdev_ms[m]);
635 (void) printf("\n");
636 }
637}
638
428870ff
BB		 639static void
640dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
641{
642 const ddt_phys_t *ddp = dde->dde_phys;
643 const ddt_key_t *ddk = &dde->dde_key;
644 char *types[4] = { "ditto", "single", "double", "triple" };
645 char blkbuf[BP_SPRINTF_LEN];
646 blkptr_t blk;
d6320ddb 647 int p;
428870ff 648
d6320ddb 649 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
428870ff
BB		 650 if (ddp->ddp_phys_birth == 0)
651 continue;
652 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
653 sprintf_blkptr(blkbuf, &blk);
654 (void) printf("index %llx refcnt %llu %s %s\n",
655 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
656 types[p], blkbuf);
657 }
658}
659
660static void
661dump_dedup_ratio(const ddt_stat_t *dds)
662{
663 double rL, rP, rD, D, dedup, compress, copies;
664
665 if (dds->dds_blocks == 0)
666 return;
667
668 rL = (double)dds->dds_ref_lsize;
669 rP = (double)dds->dds_ref_psize;
670 rD = (double)dds->dds_ref_dsize;
671 D = (double)dds->dds_dsize;
672
673 dedup = rD / D;
674 compress = rL / rP;
675 copies = rD / rP;
676
677 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
678 "dedup * compress / copies = %.2f\n\n",
679 dedup, compress, copies, dedup * compress / copies);
680}
681
682static void
683dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
684{
685 char name[DDT_NAMELEN];
686 ddt_entry_t dde;
687 uint64_t walk = 0;
688 dmu_object_info_t doi;
689 uint64_t count, dspace, mspace;
690 int error;
691
692 error = ddt_object_info(ddt, type, class, &doi);
693
694 if (error == ENOENT)
695 return;
696 ASSERT(error == 0);
697
572e2857
BB		 698 if ((count = ddt_object_count(ddt, type, class)) == 0)
699 return;
700
428870ff
BB		 701 dspace = doi.doi_physical_blocks_512 << 9;
702 mspace = doi.doi_fill_count * doi.doi_data_block_size;
703
428870ff
BB		 704 ddt_object_name(ddt, type, class, name);
705
706 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
707 name,
708 (u_longlong_t)count,
709 (u_longlong_t)(dspace / count),
710 (u_longlong_t)(mspace / count));
711
712 if (dump_opt['D'] < 3)
713 return;
714
715 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
716
717 if (dump_opt['D'] < 4)
718 return;
719
720 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
721 return;
722
723 (void) printf("%s contents:\n\n", name);
724
725 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
726 dump_dde(ddt, &dde, walk);
727
728 ASSERT(error == ENOENT);
729
730 (void) printf("\n");
731}
732
733static void
734dump_all_ddts(spa_t *spa)
735{
d6320ddb
BB		 736 ddt_histogram_t ddh_total;
737 ddt_stat_t dds_total;
738 enum zio_checksum c;
739 enum ddt_type type;
740 enum ddt_class class;
428870ff 741
d6320ddb
BB		 742 bzero(&ddh_total, sizeof (ddt_histogram_t));
743 bzero(&dds_total, sizeof (ddt_stat_t));
744
745 for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
428870ff 746 ddt_t *ddt = spa->spa_ddt[c];
d6320ddb
BB		 747 for (type = 0; type < DDT_TYPES; type++) {
748 for (class = 0; class < DDT_CLASSES;
428870ff
BB		 749 class++) {
750 dump_ddt(ddt, type, class);
751 }
752 }
753 }
754
755 ddt_get_dedup_stats(spa, &dds_total);
756
757 if (dds_total.dds_blocks == 0) {
758 (void) printf("All DDTs are empty\n");
759 return;
760 }
761
762 (void) printf("\n");
763
764 if (dump_opt['D'] > 1) {
765 (void) printf("DDT histogram (aggregated over all DDTs):\n");
766 ddt_get_dedup_histogram(spa, &ddh_total);
767 zpool_dump_ddt(&dds_total, &ddh_total);
768 }
769
770 dump_dedup_ratio(&dds_total);
771}
772
fb5f0bc8
BB		 773static void
774dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
775{
776 char *prefix = (void *)sm;
777
778 (void) printf("%s [%llu,%llu) length %llu\n",
779 prefix,
780 (u_longlong_t)start,
781 (u_longlong_t)(start + size),
782 (u_longlong_t)(size));
783}
784
34dc7c2f
BB		 785static void
786dump_dtl(vdev_t *vd, int indent)
787{
fb5f0bc8
BB		 788 spa_t *spa = vd->vdev_spa;
789 boolean_t required;
790 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
791 char prefix[256];
d6320ddb 792 int c, t;
fb5f0bc8 793
428870ff 794 spa_vdev_state_enter(spa, SCL_NONE);
fb5f0bc8
BB		 795 required = vdev_dtl_required(vd);
796 (void) spa_vdev_state_exit(spa, NULL, 0);
34dc7c2f
BB		 797
798 if (indent == 0)
799 (void) printf("\nDirty time logs:\n\n");
800
fb5f0bc8 801 (void) printf("\t%*s%s [%s]\n", indent, "",
b128c09f 802 vd->vdev_path ? vd->vdev_path :
fb5f0bc8
BB		 803 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
804 required ? "DTL-required" : "DTL-expendable");
34dc7c2f 805
d6320ddb 806 for (t = 0; t < DTL_TYPES; t++) {
fb5f0bc8
BB		 807 space_map_t *sm = &vd->vdev_dtl[t];
808 if (sm->sm_space == 0)
809 continue;
810 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
811 indent + 2, "", name[t]);
812 mutex_enter(sm->sm_lock);
813 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
814 mutex_exit(sm->sm_lock);
815 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
816 dump_spacemap(spa->spa_meta_objset,
817 &vd->vdev_dtl_smo, sm);
34dc7c2f
BB		 818 }
819
d6320ddb 820 for (c = 0; c < vd->vdev_children; c++)
34dc7c2f
BB		 821 dump_dtl(vd->vdev_child[c], indent + 4);
822}
823
428870ff
BB		 824static void
825dump_history(spa_t *spa)
826{
827 nvlist_t **events = NULL;
828 char buf[SPA_MAXBLOCKSIZE];
829 uint64_t resid, len, off = 0;
830 uint_t num = 0;
831 int error;
832 time_t tsec;
833 struct tm t;
834 char tbuf[30];
835 char internalstr[MAXPATHLEN];
d6320ddb 836 int i;
428870ff
BB		 837
838 do {
839 len = sizeof (buf);
840
841 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
842 (void) fprintf(stderr, "Unable to read history: "
843 "error %d\n", error);
844 return;
845 }
846
847 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
848 break;
849
850 off -= resid;
851 } while (len != 0);
852
853 (void) printf("\nHistory:\n");
d6320ddb 854 for (i = 0; i < num; i++) {
428870ff
BB		 855 uint64_t time, txg, ievent;
856 char *cmd, *intstr;
857
858 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
859 &time) != 0)
860 continue;
861 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
862 &cmd) != 0) {
863 if (nvlist_lookup_uint64(events[i],
864 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
865 continue;
866 verify(nvlist_lookup_uint64(events[i],
867 ZPOOL_HIST_TXG, &txg) == 0);
868 verify(nvlist_lookup_string(events[i],
869 ZPOOL_HIST_INT_STR, &intstr) == 0);
870 if (ievent >= LOG_END)
871 continue;
872
873 (void) snprintf(internalstr,
874 sizeof (internalstr),
875 "[internal %s txg:%lld] %s",
b8864a23
BB		 876 zfs_history_event_names[ievent],
877 (longlong_t)txg, intstr);
428870ff
BB		 878 cmd = internalstr;
879 }
880 tsec = time;
881 (void) localtime_r(&tsec, &t);
882 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
883 (void) printf("%s %s\n", tbuf, cmd);
884 }
885}
886
34dc7c2f
BB		 887/*ARGSUSED*/
888static void
889dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
890{
891}
892
893static uint64_t
428870ff 894blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
34dc7c2f 895{
428870ff
BB		 896 if (dnp == NULL) {
897 ASSERT(zb->zb_level < 0);
898 if (zb->zb_object == 0)
899 return (zb->zb_blkid);
900 return (zb->zb_blkid * BP_GET_LSIZE(bp));
901 }
902
903 ASSERT(zb->zb_level >= 0);
34dc7c2f 904
428870ff
BB		 905 return ((zb->zb_blkid <<
906 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
34dc7c2f
BB		 907 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
908}
909
910static void
428870ff 911sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
34dc7c2f 912{
428870ff
BB		 913 const dva_t *dva = bp->blk_dva;
914 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
d6320ddb 915 int i;
428870ff
BB		 916
917 if (dump_opt['b'] >= 5) {
918 sprintf_blkptr(blkbuf, bp);
919 return;
920 }
34dc7c2f
BB		 921
922 blkbuf[0] = '\0';
923
d6320ddb 924 for (i = 0; i < ndvas; i++)
34dc7c2f
BB		 925 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
926 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
927 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
928 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
929
428870ff
BB		 930 (void) sprintf(blkbuf + strlen(blkbuf),
931 "%llxL/%llxP F=%llu B=%llu/%llu",
34dc7c2f
BB		 932 (u_longlong_t)BP_GET_LSIZE(bp),
933 (u_longlong_t)BP_GET_PSIZE(bp),
934 (u_longlong_t)bp->blk_fill,
428870ff
BB		 935 (u_longlong_t)bp->blk_birth,
936 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
34dc7c2f
BB		 937}
938
b128c09f
BB		 939static void
940print_indirect(blkptr_t *bp, const zbookmark_t *zb,
941 const dnode_phys_t *dnp)
34dc7c2f 942{
b128c09f 943 char blkbuf[BP_SPRINTF_LEN];
34dc7c2f
BB		 944 int l;
945
b128c09f
BB		 946 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
947 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
34dc7c2f 948
428870ff 949 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
34dc7c2f
BB		 950
951 ASSERT(zb->zb_level >= 0);
952
953 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
954 if (l == zb->zb_level) {
b128c09f 955 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
34dc7c2f 956 } else {
b128c09f 957 (void) printf(" ");
34dc7c2f
BB		 958 }
959 }
960
428870ff 961 sprintf_blkptr_compact(blkbuf, bp);
b128c09f
BB		 962 (void) printf("%s\n", blkbuf);
963}
964
b128c09f
BB		 965static int
966visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
967 blkptr_t *bp, const zbookmark_t *zb)
968{
428870ff 969 int err = 0;
b128c09f
BB		 970
971 if (bp->blk_birth == 0)
972 return (0);
973
974 print_indirect(bp, zb, dnp);
975
976 if (BP_GET_LEVEL(bp) > 0) {
977 uint32_t flags = ARC_WAIT;
978 int i;
979 blkptr_t *cbp;
980 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
981 arc_buf_t *buf;
982 uint64_t fill = 0;
983
984 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
985 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
986 if (err)
987 return (err);
428870ff 988 ASSERT(buf->b_data);
b128c09f
BB		 989
990 /* recursively visit blocks below this */
991 cbp = buf->b_data;
992 for (i = 0; i < epb; i++, cbp++) {
993 zbookmark_t czb;
994
995 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
996 zb->zb_level - 1,
997 zb->zb_blkid * epb + i);
998 err = visit_indirect(spa, dnp, cbp, &czb);
999 if (err)
1000 break;
1001 fill += cbp->blk_fill;
1002 }
fb5f0bc8
BB		 1003 if (!err)
1004 ASSERT3U(fill, ==, bp->blk_fill);
b128c09f 1005 (void) arc_buf_remove_ref(buf, &buf);
34dc7c2f
BB		 1006 }
1007
b128c09f 1008 return (err);
34dc7c2f
BB		 1009}
1010
1011/*ARGSUSED*/
1012static void
b128c09f 1013dump_indirect(dnode_t *dn)
34dc7c2f 1014{
b128c09f
BB		 1015 dnode_phys_t *dnp = dn->dn_phys;
1016 int j;
1017 zbookmark_t czb;
34dc7c2f
BB		 1018
1019 (void) printf("Indirect blocks:\n");
1020
428870ff 1021 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
b128c09f
BB		 1022 dn->dn_object, dnp->dn_nlevels - 1, 0);
1023 for (j = 0; j < dnp->dn_nblkptr; j++) {
1024 czb.zb_blkid = j;
428870ff 1025 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
b128c09f
BB		 1026 &dnp->dn_blkptr[j], &czb);
1027 }
34dc7c2f
BB		 1028
1029 (void) printf("\n");
34dc7c2f
BB		 1030}
1031
1032/*ARGSUSED*/
1033static void
1034dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1035{
1036 dsl_dir_phys_t *dd = data;
1037 time_t crtime;
428870ff 1038 char nice[32];
34dc7c2f
BB		 1039
1040 if (dd == NULL)
1041 return;
1042
1043 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1044
1045 crtime = dd->dd_creation_time;
34dc7c2f
BB		 1046 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1047 (void) printf("\t\thead_dataset_obj = %llu\n",
1048 (u_longlong_t)dd->dd_head_dataset_obj);
1049 (void) printf("\t\tparent_dir_obj = %llu\n",
1050 (u_longlong_t)dd->dd_parent_obj);
1051 (void) printf("\t\torigin_obj = %llu\n",
1052 (u_longlong_t)dd->dd_origin_obj);
1053 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1054 (u_longlong_t)dd->dd_child_dir_zapobj);
428870ff 1055 zdb_nicenum(dd->dd_used_bytes, nice);
b128c09f 1056 (void) printf("\t\tused_bytes = %s\n", nice);
428870ff 1057 zdb_nicenum(dd->dd_compressed_bytes, nice);
b128c09f 1058 (void) printf("\t\tcompressed_bytes = %s\n", nice);
428870ff 1059 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
b128c09f 1060 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
428870ff 1061 zdb_nicenum(dd->dd_quota, nice);
b128c09f 1062 (void) printf("\t\tquota = %s\n", nice);
428870ff 1063 zdb_nicenum(dd->dd_reserved, nice);
b128c09f 1064 (void) printf("\t\treserved = %s\n", nice);
34dc7c2f
BB		 1065 (void) printf("\t\tprops_zapobj = %llu\n",
1066 (u_longlong_t)dd->dd_props_zapobj);
1067 (void) printf("\t\tdeleg_zapobj = %llu\n",
1068 (u_longlong_t)dd->dd_deleg_zapobj);
b128c09f
BB		 1069 (void) printf("\t\tflags = %llx\n",
1070 (u_longlong_t)dd->dd_flags);
1071
1072#define DO(which) \
428870ff 1073 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
b128c09f
BB		 1074 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1075 DO(HEAD);
1076 DO(SNAP);
1077 DO(CHILD);
1078 DO(CHILD_RSRV);
1079 DO(REFRSRV);
1080#undef DO
34dc7c2f
BB		 1081}
1082
1083/*ARGSUSED*/
1084static void
1085dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1086{
1087 dsl_dataset_phys_t *ds = data;
1088 time_t crtime;
428870ff 1089 char used[32], compressed[32], uncompressed[32], unique[32];
34dc7c2f
BB		 1090 char blkbuf[BP_SPRINTF_LEN];
1091
1092 if (ds == NULL)
1093 return;
1094
1095 ASSERT(size == sizeof (*ds));
1096 crtime = ds->ds_creation_time;
428870ff
BB		 1097 zdb_nicenum(ds->ds_used_bytes, used);
1098 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1099 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1100 zdb_nicenum(ds->ds_unique_bytes, unique);
1101 sprintf_blkptr(blkbuf, &ds->ds_bp);
34dc7c2f 1102
b128c09f 1103 (void) printf("\t\tdir_obj = %llu\n",
34dc7c2f
BB		 1104 (u_longlong_t)ds->ds_dir_obj);
1105 (void) printf("\t\tprev_snap_obj = %llu\n",
1106 (u_longlong_t)ds->ds_prev_snap_obj);
1107 (void) printf("\t\tprev_snap_txg = %llu\n",
1108 (u_longlong_t)ds->ds_prev_snap_txg);
1109 (void) printf("\t\tnext_snap_obj = %llu\n",
1110 (u_longlong_t)ds->ds_next_snap_obj);
1111 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1112 (u_longlong_t)ds->ds_snapnames_zapobj);
1113 (void) printf("\t\tnum_children = %llu\n",
1114 (u_longlong_t)ds->ds_num_children);
45d1cae3
BB		 1115 (void) printf("\t\tuserrefs_obj = %llu\n",
1116 (u_longlong_t)ds->ds_userrefs_obj);
34dc7c2f
BB		 1117 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1118 (void) printf("\t\tcreation_txg = %llu\n",
1119 (u_longlong_t)ds->ds_creation_txg);
1120 (void) printf("\t\tdeadlist_obj = %llu\n",
1121 (u_longlong_t)ds->ds_deadlist_obj);
1122 (void) printf("\t\tused_bytes = %s\n", used);
1123 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1124 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1125 (void) printf("\t\tunique = %s\n", unique);
1126 (void) printf("\t\tfsid_guid = %llu\n",
1127 (u_longlong_t)ds->ds_fsid_guid);
1128 (void) printf("\t\tguid = %llu\n",
1129 (u_longlong_t)ds->ds_guid);
1130 (void) printf("\t\tflags = %llx\n",
1131 (u_longlong_t)ds->ds_flags);
b128c09f
BB		 1132 (void) printf("\t\tnext_clones_obj = %llu\n",
1133 (u_longlong_t)ds->ds_next_clones_obj);
1134 (void) printf("\t\tprops_obj = %llu\n",
1135 (u_longlong_t)ds->ds_props_obj);
34dc7c2f
BB		 1136 (void) printf("\t\tbp = %s\n", blkbuf);
1137}
1138
428870ff
BB		 1139/* ARGSUSED */
1140static int
1141dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1142{
1143 char blkbuf[BP_SPRINTF_LEN];
1144
1145 ASSERT(bp->blk_birth != 0);
1146 sprintf_blkptr_compact(blkbuf, bp);
1147 (void) printf("\t%s\n", blkbuf);
1148 return (0);
1149}
1150
34dc7c2f 1151static void
428870ff 1152dump_bpobj(bpobj_t *bpo, char *name)
34dc7c2f 1153{
428870ff
BB		 1154 char bytes[32];
1155 char comp[32];
1156 char uncomp[32];
34dc7c2f
BB		 1157
1158 if (dump_opt['d'] < 3)
1159 return;
1160
428870ff
BB		 1161 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
1162 if (bpo->bpo_havesubobj) {
1163 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1164 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
1165 (void) printf("\n %s: %llu local blkptrs, %llu subobjs, "
1166 "%s (%s/%s comp)\n",
1167 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1168 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
34dc7c2f
BB		 1169 bytes, comp, uncomp);
1170 } else {
428870ff
BB		 1171 (void) printf("\n %s: %llu blkptrs, %s\n",
1172 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, bytes);
34dc7c2f
BB		 1173 }
1174
428870ff 1175 if (dump_opt['d'] < 5)
34dc7c2f 1176 return;
34dc7c2f
BB		 1177
1178 (void) printf("\n");
1179
428870ff
BB		 1180 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1181}
34dc7c2f 1182
428870ff
BB		 1183static void
1184dump_deadlist(dsl_deadlist_t *dl)
1185{
1186 dsl_deadlist_entry_t *dle;
1187 char bytes[32];
1188 char comp[32];
1189 char uncomp[32];
1190
1191 if (dump_opt['d'] < 3)
1192 return;
34dc7c2f 1193
428870ff
BB		 1194 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1195 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1196 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1197 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1198 bytes, comp, uncomp);
1199
1200 if (dump_opt['d'] < 4)
1201 return;
1202
1203 (void) printf("\n");
1204
1205 for (dle = avl_first(&dl->dl_tree); dle;
1206 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1207 (void) printf(" mintxg %llu -> obj %llu\n",
1208 (longlong_t)dle->dle_mintxg,
1209 (longlong_t)dle->dle_bpobj.bpo_object);
1210
1211 if (dump_opt['d'] >= 5)
1212 dump_bpobj(&dle->dle_bpobj, "");
1213 }
34dc7c2f
BB		 1214}
1215
1216static avl_tree_t idx_tree;
1217static avl_tree_t domain_tree;
1218static boolean_t fuid_table_loaded;
428870ff
BB		 1219static boolean_t sa_loaded;
1220sa_attr_type_t *sa_attr_table;
34dc7c2f
BB		 1221
1222static void
0bc8fd78 1223fuid_table_destroy(void)
34dc7c2f
BB		 1224{
1225 if (fuid_table_loaded) {
1226 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1227 fuid_table_loaded = B_FALSE;
1228 }
1229}
1230
1231/*
1232 * print uid or gid information.
1233 * For normal POSIX id just the id is printed in decimal format.
1234 * For CIFS files with FUID the fuid is printed in hex followed by
1235 * the doman-rid string.
1236 */
1237static void
1238print_idstr(uint64_t id, const char *id_type)
1239{
1240 if (FUID_INDEX(id)) {
1241 char *domain;
1242
1243 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1244 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1245 (u_longlong_t)id, domain, (int)FUID_RID(id));
1246 } else {
1247 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1248 }
1249
1250}
1251
1252static void
428870ff 1253dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
34dc7c2f
BB		 1254{
1255 uint32_t uid_idx, gid_idx;
1256
428870ff
BB		 1257 uid_idx = FUID_INDEX(uid);
1258 gid_idx = FUID_INDEX(gid);
34dc7c2f
BB		 1259
1260 /* Load domain table, if not already loaded */
1261 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1262 uint64_t fuid_obj;
1263
1264 /* first find the fuid object. It lives in the master node */
1265 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1266 8, 1, &fuid_obj) == 0);
9babb374 1267 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
34dc7c2f
BB		 1268 (void) zfs_fuid_table_load(os, fuid_obj,
1269 &idx_tree, &domain_tree);
1270 fuid_table_loaded = B_TRUE;
1271 }
1272
428870ff
BB		 1273 print_idstr(uid, "uid");
1274 print_idstr(gid, "gid");
34dc7c2f
BB		 1275}
1276
1277/*ARGSUSED*/
1278static void
1279dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1280{
34dc7c2f 1281 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
428870ff
BB		 1282 sa_handle_t *hdl;
1283 uint64_t xattr, rdev, gen;
1284 uint64_t uid, gid, mode, fsize, parent, links;
1285 uint64_t pflags;
1286 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1287 time_t z_crtime, z_atime, z_mtime, z_ctime;
1288 sa_bulk_attr_t bulk[12];
1289 int idx = 0;
34dc7c2f
BB		 1290 int error;
1291
428870ff
BB		 1292 if (!sa_loaded) {
1293 uint64_t sa_attrs = 0;
1294 uint64_t version;
1295
1296 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1297 8, 1, &version) == 0);
1298 if (version >= ZPL_VERSION_SA) {
1299 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1300 8, 1, &sa_attrs) == 0);
1301 }
572e2857
BB		 1302 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1303 ZPL_END, &sa_attr_table)) != 0) {
1304 (void) printf("sa_setup failed errno %d, can't "
1305 "display znode contents\n", error);
1306 return;
1307 }
428870ff
BB		 1308 sa_loaded = B_TRUE;
1309 }
1310
1311 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1312 (void) printf("Failed to get handle for SA znode\n");
1313 return;
1314 }
1315
1316 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1317 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1318 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1319 &links, 8);
1320 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1321 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1322 &mode, 8);
1323 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1324 NULL, &parent, 8);
1325 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1326 &fsize, 8);
1327 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1328 acctm, 16);
1329 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1330 modtm, 16);
1331 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1332 crtm, 16);
1333 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1334 chgtm, 16);
1335 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1336 &pflags, 8);
1337
1338 if (sa_bulk_lookup(hdl, bulk, idx)) {
1339 (void) sa_handle_destroy(hdl);
1340 return;
1341 }
34dc7c2f
BB		 1342
1343 error = zfs_obj_to_path(os, object, path, sizeof (path));
1344 if (error != 0) {
1345 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1346 (u_longlong_t)object);
1347 }
34dc7c2f
BB		 1348 if (dump_opt['d'] < 3) {
1349 (void) printf("\t%s\n", path);
428870ff 1350 (void) sa_handle_destroy(hdl);
34dc7c2f
BB		 1351 return;
1352 }
1353
428870ff
BB		 1354 z_crtime = (time_t)crtm[0];
1355 z_atime = (time_t)acctm[0];
1356 z_mtime = (time_t)modtm[0];
1357 z_ctime = (time_t)chgtm[0];
34dc7c2f
BB		 1358
1359 (void) printf("\tpath %s\n", path);
428870ff 1360 dump_uidgid(os, uid, gid);
34dc7c2f
BB		 1361 (void) printf("\tatime %s", ctime(&z_atime));
1362 (void) printf("\tmtime %s", ctime(&z_mtime));
1363 (void) printf("\tctime %s", ctime(&z_ctime));
1364 (void) printf("\tcrtime %s", ctime(&z_crtime));
428870ff
BB		 1365 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1366 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1367 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1368 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1369 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1370 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1371 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1372 sizeof (uint64_t)) == 0)
1373 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1374 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1375 sizeof (uint64_t)) == 0)
1376 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1377 sa_handle_destroy(hdl);
34dc7c2f
BB		 1378}
1379
1380/*ARGSUSED*/
1381static void
1382dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1383{
1384}
1385
1386/*ARGSUSED*/
1387static void
1388dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1389{
1390}
1391
428870ff 1392static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
34dc7c2f
BB		 1393 dump_none, /* unallocated */
1394 dump_zap, /* object directory */
1395 dump_uint64, /* object array */
1396 dump_none, /* packed nvlist */
1397 dump_packed_nvlist, /* packed nvlist size */
1398 dump_none, /* bplist */
1399 dump_none, /* bplist header */
1400 dump_none, /* SPA space map header */
1401 dump_none, /* SPA space map */
1402 dump_none, /* ZIL intent log */
1403 dump_dnode, /* DMU dnode */
1404 dump_dmu_objset, /* DMU objset */
1405 dump_dsl_dir, /* DSL directory */
1406 dump_zap, /* DSL directory child map */
1407 dump_zap, /* DSL dataset snap map */
1408 dump_zap, /* DSL props */
1409 dump_dsl_dataset, /* DSL dataset */
1410 dump_znode, /* ZFS znode */
1411 dump_acl, /* ZFS V0 ACL */
1412 dump_uint8, /* ZFS plain file */
1413 dump_zpldir, /* ZFS directory */
1414 dump_zap, /* ZFS master node */
1415 dump_zap, /* ZFS delete queue */
1416 dump_uint8, /* zvol object */
1417 dump_zap, /* zvol prop */
1418 dump_uint8, /* other uint8[] */
1419 dump_uint64, /* other uint64[] */
1420 dump_zap, /* other ZAP */
1421 dump_zap, /* persistent error log */
1422 dump_uint8, /* SPA history */
1423 dump_uint64, /* SPA history offsets */
1424 dump_zap, /* Pool properties */
1425 dump_zap, /* DSL permissions */
1426 dump_acl, /* ZFS ACL */
1427 dump_uint8, /* ZFS SYSACL */
1428 dump_none, /* FUID nvlist */
1429 dump_packed_nvlist, /* FUID nvlist size */
b128c09f
BB		 1430 dump_zap, /* DSL dataset next clones */
1431 dump_zap, /* DSL scrub queue */
9babb374
BB		 1432 dump_zap, /* ZFS user/group used */
1433 dump_zap, /* ZFS user/group quota */
45d1cae3 1434 dump_zap, /* snapshot refcount tags */
428870ff
BB		 1435 dump_ddt_zap, /* DDT ZAP object */
1436 dump_zap, /* DDT statistics */
1437 dump_znode, /* SA object */
1438 dump_zap, /* SA Master Node */
1439 dump_sa_attrs, /* SA attribute registration */
1440 dump_sa_layouts, /* SA attribute layouts */
1441 dump_zap, /* DSL scrub translations */
1442 dump_none, /* fake dedup BP */
1443 dump_zap, /* deadlist */
1444 dump_none, /* deadlist hdr */
1445 dump_zap, /* dsl clones */
1446 dump_none, /* bpobj subobjs */
1447 dump_unknown, /* Unknown type, must be last */
34dc7c2f
BB		 1448};
1449
1450static void
1451dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1452{
1453 dmu_buf_t *db = NULL;
1454 dmu_object_info_t doi;
1455 dnode_t *dn;
1456 void *bonus = NULL;
1457 size_t bsize = 0;
428870ff
BB		 1458 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1459 char bonus_size[32];
34dc7c2f
BB		 1460 char aux[50];
1461 int error;
1462
1463 if (*print_header) {
428870ff
BB		 1464 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1465 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1466 "%full", "type");
34dc7c2f
BB		 1467 *print_header = 0;
1468 }
1469
1470 if (object == 0) {
572e2857 1471 dn = DMU_META_DNODE(os);
34dc7c2f
BB		 1472 } else {
1473 error = dmu_bonus_hold(os, object, FTAG, &db);
1474 if (error)
1475 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1476 object, error);
1477 bonus = db->db_data;
1478 bsize = db->db_size;
572e2857 1479 dn = DB_DNODE((dmu_buf_impl_t *)db);
34dc7c2f
BB		 1480 }
1481 dmu_object_info_from_dnode(dn, &doi);
1482
428870ff
BB		 1483 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1484 zdb_nicenum(doi.doi_data_block_size, dblk);
1485 zdb_nicenum(doi.doi_max_offset, lsize);
1486 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1487 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1488 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1489 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1490 doi.doi_max_offset);
34dc7c2f
BB		 1491
1492 aux[0] = '\0';
1493
1494 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1495 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
428870ff 1496 ZDB_CHECKSUM_NAME(doi.doi_checksum));
34dc7c2f
BB		 1497 }
1498
1499 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1500 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
428870ff 1501 ZDB_COMPRESS_NAME(doi.doi_compress));
34dc7c2f
BB		 1502 }
1503
428870ff
BB		 1504 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1505 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1506 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
34dc7c2f
BB		 1507
1508 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
428870ff
BB		 1509 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1510 "", "", "", "", "", bonus_size, "bonus",
1511 ZDB_OT_NAME(doi.doi_bonus_type));
34dc7c2f
BB		 1512 }
1513
1514 if (verbosity >= 4) {
428870ff 1515 (void) printf("\tdnode flags: %s%s%s\n",
9babb374
BB		 1516 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1517 "USED_BYTES " : "",
1518 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
428870ff
BB		 1519 "USERUSED_ACCOUNTED " : "",
1520 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1521 "SPILL_BLKPTR" : "");
9babb374
BB		 1522 (void) printf("\tdnode maxblkid: %llu\n",
1523 (longlong_t)dn->dn_phys->dn_maxblkid);
1524
428870ff
BB		 1525 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1526 bonus, bsize);
1527 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
34dc7c2f
BB		 1528 *print_header = 1;
1529 }
1530
1531 if (verbosity >= 5)
b128c09f 1532 dump_indirect(dn);
34dc7c2f
BB		 1533
1534 if (verbosity >= 5) {
1535 /*
1536 * Report the list of segments that comprise the object.
1537 */
1538 uint64_t start = 0;
1539 uint64_t end;
1540 uint64_t blkfill = 1;
1541 int minlvl = 1;
1542
1543 if (dn->dn_type == DMU_OT_DNODE) {
1544 minlvl = 0;
1545 blkfill = DNODES_PER_BLOCK;
1546 }
1547
1548 for (;;) {
428870ff 1549 char segsize[32];
b128c09f
BB		 1550 error = dnode_next_offset(dn,
1551 0, &start, minlvl, blkfill, 0);
34dc7c2f
BB		 1552 if (error)
1553 break;
1554 end = start;
b128c09f
BB		 1555 error = dnode_next_offset(dn,
1556 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
428870ff 1557 zdb_nicenum(end - start, segsize);
34dc7c2f
BB		 1558 (void) printf("\t\tsegment [%016llx, %016llx)"
1559 " size %5s\n", (u_longlong_t)start,
1560 (u_longlong_t)end, segsize);
1561 if (error)
1562 break;
1563 start = end;
1564 }
1565 }
1566
1567 if (db != NULL)
1568 dmu_buf_rele(db, FTAG);
1569}
1570
1571static char *objset_types[DMU_OST_NUMTYPES] = {
1572 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1573
1574static void
1575dump_dir(objset_t *os)
1576{
1577 dmu_objset_stats_t dds;
1578 uint64_t object, object_count;
1579 uint64_t refdbytes, usedobjs, scratch;
428870ff 1580 char numbuf[32];
9babb374 1581 char blkbuf[BP_SPRINTF_LEN + 20];
34dc7c2f
BB		 1582 char osname[MAXNAMELEN];
1583 char *type = "UNKNOWN";
1584 int verbosity = dump_opt['d'];
1585 int print_header = 1;
1586 int i, error;
1587
1588 dmu_objset_fast_stat(os, &dds);
1589
1590 if (dds.dds_type < DMU_OST_NUMTYPES)
1591 type = objset_types[dds.dds_type];
1592
1593 if (dds.dds_type == DMU_OST_META) {
1594 dds.dds_creation_txg = TXG_INITIAL;
428870ff
BB		 1595 usedobjs = os->os_rootbp->blk_fill;
1596 refdbytes = os->os_spa->spa_dsl_pool->
b128c09f 1597 dp_mos_dir->dd_phys->dd_used_bytes;
34dc7c2f
BB		 1598 } else {
1599 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1600 }
1601
428870ff 1602 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
34dc7c2f 1603
428870ff 1604 zdb_nicenum(refdbytes, numbuf);
34dc7c2f
BB		 1605
1606 if (verbosity >= 4) {
428870ff
BB		 1607 (void) sprintf(blkbuf, ", rootbp ");
1608 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
34dc7c2f
BB		 1609 } else {
1610 blkbuf[0] = '\0';
1611 }
1612
1613 dmu_objset_name(os, osname);
1614
1615 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1616 "%s, %llu objects%s\n",
1617 osname, type, (u_longlong_t)dmu_objset_id(os),
1618 (u_longlong_t)dds.dds_creation_txg,
1619 numbuf, (u_longlong_t)usedobjs, blkbuf);
1620
34dc7c2f
BB		 1621 if (zopt_objects != 0) {
1622 for (i = 0; i < zopt_objects; i++)
1623 dump_object(os, zopt_object[i], verbosity,
1624 &print_header);
1625 (void) printf("\n");
1626 return;
1627 }
1628
428870ff
BB		 1629 if (dump_opt['i'] != 0 || verbosity >= 2)
1630 dump_intent_log(dmu_objset_zil(os));
1631
1632 if (dmu_objset_ds(os) != NULL)
1633 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1634
1635 if (verbosity < 2)
1636 return;
1637
1638 if (os->os_rootbp->blk_birth == 0)
1639 return;
1640
34dc7c2f 1641 dump_object(os, 0, verbosity, &print_header);
9babb374 1642 object_count = 0;
572e2857
BB		 1643 if (DMU_USERUSED_DNODE(os) != NULL &&
1644 DMU_USERUSED_DNODE(os)->dn_type != 0) {
9babb374
BB		 1645 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1646 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1647 }
34dc7c2f
BB		 1648
1649 object = 0;
1650 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1651 dump_object(os, object, verbosity, &print_header);
1652 object_count++;
1653 }
1654
1655 ASSERT3U(object_count, ==, usedobjs);
1656
1657 (void) printf("\n");
1658
9babb374
BB		 1659 if (error != ESRCH) {
1660 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1661 abort();
1662 }
34dc7c2f
BB		 1663}
1664
1665static void
428870ff 1666dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
34dc7c2f
BB		 1667{
1668 time_t timestamp = ub->ub_timestamp;
1669
0e5b68e0 1670 (void) printf("%s", header ? header : "");
34dc7c2f
BB		 1671 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1672 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1673 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1674 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1675 (void) printf("\ttimestamp = %llu UTC = %s",
1676 (u_longlong_t)ub->ub_timestamp, asctime(localtime(&timestamp)));
1677 if (dump_opt['u'] >= 3) {
1678 char blkbuf[BP_SPRINTF_LEN];
428870ff 1679 sprintf_blkptr(blkbuf, &ub->ub_rootbp);
34dc7c2f
BB		 1680 (void) printf("\trootbp = %s\n", blkbuf);
1681 }
0e5b68e0 1682 (void) printf("%s", footer ? footer : "");
34dc7c2f
BB		 1683}
1684
1685static void
428870ff 1686dump_config(spa_t *spa)
34dc7c2f 1687{
428870ff
BB		 1688 dmu_buf_t *db;
1689 size_t nvsize = 0;
1690 int error = 0;
34dc7c2f 1691
34dc7c2f 1692
428870ff
BB		 1693 error = dmu_bonus_hold(spa->spa_meta_objset,
1694 spa->spa_config_object, FTAG, &db);
1695
1696 if (error == 0) {
1697 nvsize = *(uint64_t *)db->db_data;
1698 dmu_buf_rele(db, FTAG);
1699
1700 (void) printf("\nMOS Configuration:\n");
1701 dump_packed_nvlist(spa->spa_meta_objset,
1702 spa->spa_config_object, (void *)&nvsize, 1);
1703 } else {
1704 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1705 (u_longlong_t)spa->spa_config_object, error);
1706 }
1707}
1708
1709static void
b128c09f
BB		 1710dump_cachefile(const char *cachefile)
1711{
1712 int fd;
1713 struct stat64 statbuf;
1714 char *buf;
1715 nvlist_t *config;
1716
1717 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1718 (void) printf("cannot open '%s': %s\n", cachefile,
1719 strerror(errno));
1720 exit(1);
1721 }
1722
1723 if (fstat64(fd, &statbuf) != 0) {
1724 (void) printf("failed to stat '%s': %s\n", cachefile,
1725 strerror(errno));
1726 exit(1);
1727 }
1728
1729 if ((buf = malloc(statbuf.st_size)) == NULL) {
1730 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1731 (u_longlong_t)statbuf.st_size);
1732 exit(1);
1733 }
1734
1735 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1736 (void) fprintf(stderr, "failed to read %llu bytes\n",
1737 (u_longlong_t)statbuf.st_size);
1738 exit(1);
1739 }
1740
1741 (void) close(fd);
1742
1743 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1744 (void) fprintf(stderr, "failed to unpack nvlist\n");
1745 exit(1);
1746 }
1747
1748 free(buf);
1749
1750 dump_nvlist(config, 0);
1751
1752 nvlist_free(config);
1753}
1754
428870ff
BB		 1755#define ZDB_MAX_UB_HEADER_SIZE 32
1756
1757static void
1758dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
1759{
1760 vdev_t vd;
1761 vdev_t *vdp = &vd;
1762 char header[ZDB_MAX_UB_HEADER_SIZE];
d6320ddb 1763 int i;
428870ff
BB		 1764
1765 vd.vdev_ashift = ashift;
1766 vdp->vdev_top = vdp;
1767
d6320ddb 1768 for (i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
428870ff
BB		 1769 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
1770 uberblock_t *ub = (void *)((char *)lbl + uoff);
1771
1772 if (uberblock_verify(ub))
1773 continue;
1774 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
1775 "Uberblock[%d]\n", i);
1776 dump_uberblock(ub, header, "");
1777 }
1778}
1779
34dc7c2f
BB		 1780static void
1781dump_label(const char *dev)
1782{
1783 int fd;
1784 vdev_label_t label;
428870ff 1785 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
34dc7c2f
BB		 1786 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1787 struct stat64 statbuf;
428870ff
BB		 1788 uint64_t psize, ashift;
1789 int len = strlen(dev) + 1;
d6320ddb 1790 int l;
34dc7c2f 1791
428870ff
BB		 1792 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
1793 len++;
1794 path = malloc(len);
1795 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
1796 } else {
1797 path = strdup(dev);
1798 }
1799
1800 if ((fd = open64(path, O_RDONLY)) < 0) {
1801 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
1802 free(path);
34dc7c2f
BB		 1803 exit(1);
1804 }
1805
1806 if (fstat64(fd, &statbuf) != 0) {
428870ff 1807 (void) printf("failed to stat '%s': %s\n", path,
34dc7c2f 1808 strerror(errno));
428870ff
BB		 1809 free(path);
1810 (void) close(fd);
1811 exit(1);
1812 }
1813
1814 if (S_ISBLK(statbuf.st_mode)) {
1815 (void) printf("cannot use '%s': character device required\n",
1816 path);
1817 free(path);
1818 (void) close(fd);
34dc7c2f
BB		 1819 exit(1);
1820 }
1821
1822 psize = statbuf.st_size;
1823 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1824
d6320ddb 1825 for (l = 0; l < VDEV_LABELS; l++) {
34dc7c2f
BB		 1826 nvlist_t *config = NULL;
1827
1828 (void) printf("--------------------------------------------\n");
1829 (void) printf("LABEL %d\n", l);
1830 (void) printf("--------------------------------------------\n");
1831
1832 if (pread64(fd, &label, sizeof (label),
1833 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1834 (void) printf("failed to read label %d\n", l);
1835 continue;
1836 }
1837
1838 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1839 (void) printf("failed to unpack label %d\n", l);
428870ff
BB		 1840 ashift = SPA_MINBLOCKSHIFT;
1841 } else {
1842 nvlist_t *vdev_tree = NULL;
1843
1844 dump_nvlist(config, 4);
1845 if ((nvlist_lookup_nvlist(config,
1846 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
1847 (nvlist_lookup_uint64(vdev_tree,
1848 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
1849 ashift = SPA_MINBLOCKSHIFT;
1850 nvlist_free(config);
34dc7c2f 1851 }
428870ff
BB		 1852 if (dump_opt['u'])
1853 dump_label_uberblocks(&label, ashift);
34dc7c2f 1854 }
428870ff
BB		 1855
1856 free(path);
1857 (void) close(fd);
34dc7c2f
BB		 1858}
1859
1860/*ARGSUSED*/
1861static int
428870ff 1862dump_one_dir(const char *dsname, void *arg)
34dc7c2f
BB		 1863{
1864 int error;
1865 objset_t *os;
1866
428870ff 1867 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
34dc7c2f 1868 if (error) {
428870ff 1869 (void) printf("Could not open %s, error %d\n", dsname, error);
34dc7c2f
BB		 1870 return (0);
1871 }
1872 dump_dir(os);
428870ff 1873 dmu_objset_disown(os, FTAG);
34dc7c2f 1874 fuid_table_destroy();
428870ff 1875 sa_loaded = B_FALSE;
34dc7c2f
BB		 1876 return (0);
1877}
1878
34dc7c2f 1879/*
428870ff 1880 * Block statistics.
34dc7c2f
BB		 1881 */
1882typedef struct zdb_blkstats {
1883 uint64_t zb_asize;
1884 uint64_t zb_lsize;
1885 uint64_t zb_psize;
1886 uint64_t zb_count;
1887} zdb_blkstats_t;
1888
428870ff
BB		 1889/*
1890 * Extended object types to report deferred frees and dedup auto-ditto blocks.
1891 */
1892#define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
1893#define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
1894#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2)
1895
1896static char *zdb_ot_extname[] = {
1897 "deferred free",
1898 "dedup ditto",
1899 "Total",
1900};
34dc7c2f 1901
b128c09f 1902#define ZB_TOTAL DN_MAX_LEVELS
34dc7c2f
BB		 1903
1904typedef struct zdb_cb {
428870ff
BB		 1905 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
1906 uint64_t zcb_dedup_asize;
1907 uint64_t zcb_dedup_blocks;
34dc7c2f 1908 uint64_t zcb_errors[256];
34dc7c2f
BB		 1909 int zcb_readfails;
1910 int zcb_haderrors;
428870ff 1911 spa_t *zcb_spa;
34dc7c2f
BB		 1912} zdb_cb_t;
1913
1914static void
428870ff
BB		 1915zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
1916 dmu_object_type_t type)
34dc7c2f 1917{
428870ff 1918 uint64_t refcnt = 0;
d6320ddb 1919 int i;
428870ff
BB		 1920
1921 ASSERT(type < ZDB_OT_TOTAL);
1922
1923 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
1924 return;
1925
d6320ddb 1926 for (i = 0; i < 4; i++) {
34dc7c2f 1927 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
428870ff 1928 int t = (i & 1) ? type : ZDB_OT_TOTAL;
34dc7c2f
BB		 1929 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1930
1931 zb->zb_asize += BP_GET_ASIZE(bp);
1932 zb->zb_lsize += BP_GET_LSIZE(bp);
1933 zb->zb_psize += BP_GET_PSIZE(bp);
1934 zb->zb_count++;
1935 }
1936
428870ff
BB		 1937 if (dump_opt['L'])
1938 return;
1939
1940 if (BP_GET_DEDUP(bp)) {
1941 ddt_t *ddt;
1942 ddt_entry_t *dde;
1943
1944 ddt = ddt_select(zcb->zcb_spa, bp);
1945 ddt_enter(ddt);
1946 dde = ddt_lookup(ddt, bp, B_FALSE);
1947
1948 if (dde == NULL) {
1949 refcnt = 0;
1950 } else {
1951 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
1952 ddt_phys_decref(ddp);
1953 refcnt = ddp->ddp_refcnt;
1954 if (ddt_phys_total_refcnt(dde) == 0)
1955 ddt_remove(ddt, dde);
34dc7c2f 1956 }
428870ff 1957 ddt_exit(ddt);
34dc7c2f
BB		 1958 }
1959
428870ff
BB		 1960 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
1961 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
1962 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
34dc7c2f
BB		 1963}
1964
428870ff 1965/* ARGSUSED */
34dc7c2f 1966static int
428870ff
BB		 1967zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
1968 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
34dc7c2f 1969{
34dc7c2f 1970 zdb_cb_t *zcb = arg;
34dc7c2f 1971 char blkbuf[BP_SPRINTF_LEN];
9babb374 1972 dmu_object_type_t type;
428870ff 1973 boolean_t is_metadata;
34dc7c2f 1974
b128c09f
BB		 1975 if (bp == NULL)
1976 return (0);
1977
9babb374
BB		 1978 type = BP_GET_TYPE(bp);
1979
428870ff 1980 zdb_count_block(zcb, zilog, bp, type);
b128c09f 1981
428870ff
BB		 1982 is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata);
1983
1984 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
1985 int ioerr;
1986 size_t size = BP_GET_PSIZE(bp);
1987 void *data = malloc(size);
1988 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
9babb374 1989
428870ff
BB		 1990 /* If it's an intent log block, failure is expected. */
1991 if (zb->zb_level == ZB_ZIL_LEVEL)
1992 flags |= ZIO_FLAG_SPECULATIVE;
b128c09f 1993
b128c09f 1994 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
428870ff
BB		 1995 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
1996
b128c09f
BB		 1997 free(data);
1998
428870ff 1999 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
34dc7c2f 2000 zcb->zcb_haderrors = 1;
b128c09f 2001 zcb->zcb_errors[ioerr]++;
34dc7c2f 2002
b128c09f 2003 if (dump_opt['b'] >= 2)
428870ff 2004 sprintf_blkptr(blkbuf, bp);
b128c09f
BB		 2005 else
2006 blkbuf[0] = '\0';
2007
428870ff
BB		 2008 (void) printf("zdb_blkptr_cb: "
2009 "Got error %d reading "
2010 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2011 ioerr,
2012 (u_longlong_t)zb->zb_objset,
2013 (u_longlong_t)zb->zb_object,
2014 (u_longlong_t)zb->zb_level,
2015 (u_longlong_t)zb->zb_blkid,
2016 blkbuf);
34dc7c2f 2017 }
34dc7c2f
BB		 2018 }
2019
2020 zcb->zcb_readfails = 0;
2021
34dc7c2f 2022 if (dump_opt['b'] >= 4) {
428870ff
BB		 2023 sprintf_blkptr(blkbuf, bp);
2024 (void) printf("objset %llu object %llu "
2025 "level %lld offset 0x%llx %s\n",
34dc7c2f
BB		 2026 (u_longlong_t)zb->zb_objset,
2027 (u_longlong_t)zb->zb_object,
428870ff
BB		 2028 (longlong_t)zb->zb_level,
2029 (u_longlong_t)blkid2offset(dnp, bp, zb),
b128c09f 2030 blkbuf);
34dc7c2f
BB		 2031 }
2032
34dc7c2f
BB		 2033 return (0);
2034}
2035
428870ff
BB		 2036static void
2037zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
2038{
2039 vdev_t *vd = sm->sm_ppd;
2040
2041 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2042 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2043}
2044
2045/* ARGSUSED */
2046static void
2047zdb_space_map_load(space_map_t *sm)
2048{
2049}
2050
2051static void
2052zdb_space_map_unload(space_map_t *sm)
2053{
2054 space_map_vacate(sm, zdb_leak, sm);
2055}
2056
2057/* ARGSUSED */
2058static void
2059zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
2060{
2061}
2062
2063static space_map_ops_t zdb_space_map_ops = {
2064 zdb_space_map_load,
2065 zdb_space_map_unload,
2066 NULL, /* alloc */
2067 zdb_space_map_claim,
2068 NULL, /* free */
2069 NULL /* maxsize */
2070};
2071
2072static void
2073zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2074{
2075 ddt_bookmark_t ddb = { 0 };
2076 ddt_entry_t dde;
2077 int error;
d6320ddb 2078 int p;
428870ff
BB		 2079
2080 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2081 blkptr_t blk;
2082 ddt_phys_t *ddp = dde.dde_phys;
2083
2084 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2085 return;
2086
2087 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2088
d6320ddb 2089 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
428870ff
BB		 2090 if (ddp->ddp_phys_birth == 0)
2091 continue;
2092 ddt_bp_create(ddb.ddb_checksum,
2093 &dde.dde_key, ddp, &blk);
2094 if (p == DDT_PHYS_DITTO) {
2095 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2096 } else {
2097 zcb->zcb_dedup_asize +=
2098 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2099 zcb->zcb_dedup_blocks++;
2100 }
2101 }
2102 if (!dump_opt['L']) {
2103 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2104 ddt_enter(ddt);
2105 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2106 ddt_exit(ddt);
2107 }
2108 }
2109
2110 ASSERT(error == ENOENT);
2111}
2112
2113static void
2114zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2115{
2116 zcb->zcb_spa = spa;
d6320ddb 2117 int c, m;
428870ff
BB		 2118
2119 if (!dump_opt['L']) {
2120 vdev_t *rvd = spa->spa_root_vdev;
d6320ddb 2121 for (c = 0; c < rvd->vdev_children; c++) {
428870ff 2122 vdev_t *vd = rvd->vdev_child[c];
d6320ddb 2123 for (m = 0; m < vd->vdev_ms_count; m++) {
428870ff
BB		 2124 metaslab_t *msp = vd->vdev_ms[m];
2125 mutex_enter(&msp->ms_lock);
2126 space_map_unload(&msp->ms_map);
2127 VERIFY(space_map_load(&msp->ms_map,
2128 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
2129 spa->spa_meta_objset) == 0);
2130 msp->ms_map.sm_ppd = vd;
2131 mutex_exit(&msp->ms_lock);
2132 }
2133 }
2134 }
2135
2136 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2137
2138 zdb_ddt_leak_init(spa, zcb);
2139
2140 spa_config_exit(spa, SCL_CONFIG, FTAG);
2141}
2142
2143static void
2144zdb_leak_fini(spa_t *spa)
2145{
d6320ddb
BB		 2146 int c, m;
2147
428870ff
BB		 2148 if (!dump_opt['L']) {
2149 vdev_t *rvd = spa->spa_root_vdev;
d6320ddb 2150 for (c = 0; c < rvd->vdev_children; c++) {
428870ff 2151 vdev_t *vd = rvd->vdev_child[c];
d6320ddb 2152 for (m = 0; m < vd->vdev_ms_count; m++) {
428870ff
BB		 2153 metaslab_t *msp = vd->vdev_ms[m];
2154 mutex_enter(&msp->ms_lock);
2155 space_map_unload(&msp->ms_map);
2156 mutex_exit(&msp->ms_lock);
2157 }
2158 }
2159 }
2160}
2161
2162/* ARGSUSED */
2163static int
2164count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2165{
2166 zdb_cb_t *zcb = arg;
2167
2168 if (dump_opt['b'] >= 4) {
2169 char blkbuf[BP_SPRINTF_LEN];
2170 sprintf_blkptr(blkbuf, bp);
2171 (void) printf("[%s] %s\n",
2172 "deferred free", blkbuf);
2173 }
2174 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2175 return (0);
2176}
2177
34dc7c2f
BB		 2178static int
2179dump_block_stats(spa_t *spa)
2180{
2598c001 2181 zdb_cb_t zcb;
34dc7c2f 2182 zdb_blkstats_t *zb, *tzb;
428870ff
BB		 2183 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2184 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
34dc7c2f 2185 int leaks = 0;
d6320ddb 2186 int e;
34dc7c2f 2187
428870ff
BB		 2188 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
2189 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2190 (dump_opt['c'] == 1) ? "metadata " : "",
2191 dump_opt['c'] ? "checksums " : "",
2192 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2193 !dump_opt['L'] ? "nothing leaked " : "");
34dc7c2f
BB		 2194
2195 /*
b128c09f
BB		 2196 * Load all space maps as SM_ALLOC maps, then traverse the pool
2197 * claiming each block we discover. If the pool is perfectly
2198 * consistent, the space maps will be empty when we're done.
2199 * Anything left over is a leak; any block we can't claim (because
2200 * it's not part of any space map) is a double allocation,
2201 * reference to a freed block, or an unclaimed log block.
34dc7c2f 2202 */
2598c001 2203 bzero(&zcb, sizeof(zdb_cb_t));
428870ff 2204 zdb_leak_init(spa, &zcb);
34dc7c2f
BB		 2205
2206 /*
2207 * If there's a deferred-free bplist, process that first.
2208 */
428870ff
BB		 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);
34dc7c2f 2213
428870ff
BB		 2214 if (dump_opt['c'] > 1)
2215 flags |= TRAVERSE_PREFETCH_DATA;
34dc7c2f 2216
428870ff 2217 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
34dc7c2f 2218
428870ff 2219 if (zcb.zcb_haderrors) {
34dc7c2f
BB		 2220 (void) printf("\nError counts:\n\n");
2221 (void) printf("\t%5s %s\n", "errno", "count");
d6320ddb 2222 for (e = 0; e < 256; e++) {
34dc7c2f
BB		 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 */
428870ff 2233 zdb_leak_fini(spa);
34dc7c2f 2234
428870ff 2235 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
34dc7c2f 2236
428870ff
BB		 2237 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2238 norm_space = metaslab_class_get_space(spa_normal_class(spa));
34dc7c2f 2239
428870ff
BB		 2240 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2241 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
34dc7c2f 2242
428870ff 2243 if (total_found == total_alloc) {
fb5f0bc8
BB		 2244 if (!dump_opt['L'])
2245 (void) printf("\n\tNo leaks (block sum matches space"
2246 " maps exactly)\n");
34dc7c2f
BB		 2247 } else {
2248 (void) printf("block traversal size %llu != alloc %llu "
fb5f0bc8 2249 "(%s %lld)\n",
428870ff
BB		 2250 (u_longlong_t)total_found,
2251 (u_longlong_t)total_alloc,
fb5f0bc8 2252 (dump_opt['L']) ? "unreachable" : "leaked",
428870ff 2253 (longlong_t)(total_alloc - total_found));
34dc7c2f
BB		 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);
428870ff 2263 (void) printf("\tbp logical: %10llu avg: %6llu\n",
34dc7c2f
BB		 2264 (u_longlong_t)tzb->zb_lsize,
2265 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
428870ff
BB		 2266 (void) printf("\tbp physical: %10llu avg:"
2267 " %6llu compression: %6.2f\n",
34dc7c2f
BB		 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);
428870ff
BB		 2271 (void) printf("\tbp allocated: %10llu avg:"
2272 " %6llu compression: %6.2f\n",
34dc7c2f
BB		 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);
428870ff
BB		 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);
34dc7c2f
BB		 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
428870ff
BB		 2289 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2290 char csize[32], lsize[32], psize[32], asize[32];
2291 char avg[32];
34dc7c2f
BB		 2292 char *typename;
2293
428870ff
BB		 2294 if (t < DMU_OT_NUMTYPES)
2295 typename = dmu_ot[t].ot_name;
2296 else
2297 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
34dc7c2f
BB		 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
428870ff
BB		 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);
34dc7c2f
BB		 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
428870ff
BB		 2359typedef 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 */
2369static int
2370zdb_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
2410static void
2411dump_simulated_ddt(spa_t *spa)
2412{
2413 avl_tree_t t;
2414 void *cookie = NULL;
2415 zdb_ddt_entry_t *zdde;
2598c001
BB		 2416 ddt_histogram_t ddh_total;
2417 ddt_stat_t dds_total;
2418
2419 bzero(&ddh_total, sizeof (ddt_histogram_t));
2420 bzero(&dds_total, sizeof (ddt_stat_t));
428870ff
BB		 2421
2422 avl_create(&t, ddt_entry_compare,
2423 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2424
2425 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2426
2427 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2428 zdb_ddt_add_cb, &t);
2429
2430 spa_config_exit(spa, SCL_CONFIG, FTAG);
2431
2432 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2433 ddt_stat_t dds;
2434 uint64_t refcnt = zdde->zdde_ref_blocks;
2435 ASSERT(refcnt != 0);
2436
2437 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2438 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2439 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2440 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2441
2442 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2443 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2444 dds.dds_ref_psize = zdde->zdde_ref_psize;
2445 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2446
2447 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
2448
2449 umem_free(zdde, sizeof (*zdde));
2450 }
2451
2452 avl_destroy(&t);
2453
2454 ddt_histogram_stat(&dds_total, &ddh_total);
2455
2456 (void) printf("Simulated DDT histogram:\n");
2457
2458 zpool_dump_ddt(&dds_total, &ddh_total);
2459
2460 dump_dedup_ratio(&dds_total);
2461}
2462
34dc7c2f
BB		 2463static void
2464dump_zpool(spa_t *spa)
2465{
2466 dsl_pool_t *dp = spa_get_dsl(spa);
2467 int rc = 0;
2468
428870ff
BB		 2469 if (dump_opt['S']) {
2470 dump_simulated_ddt(spa);
2471 return;
2472 }
2473
2474 if (!dump_opt['e'] && dump_opt['C'] > 1) {
2475 (void) printf("\nCached configuration:\n");
2476 dump_nvlist(spa->spa_config, 8);
2477 }
2478
2479 if (dump_opt['C'])
2480 dump_config(spa);
2481
34dc7c2f 2482 if (dump_opt['u'])
428870ff 2483 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
34dc7c2f 2484
428870ff
BB		 2485 if (dump_opt['D'])
2486 dump_all_ddts(spa);
2487
2488 if (dump_opt['d'] > 2 || dump_opt['m'])
2489 dump_metaslabs(spa);
2490
2491 if (dump_opt['d'] || dump_opt['i']) {
34dc7c2f
BB		 2492 dump_dir(dp->dp_meta_objset);
2493 if (dump_opt['d'] >= 3) {
428870ff
BB		 2494 dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees");
2495 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2496 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
2497 "Pool frees");
2498 }
34dc7c2f 2499 dump_dtl(spa->spa_root_vdev, 0);
34dc7c2f 2500 }
428870ff
BB		 2501 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
2502 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
34dc7c2f 2503 }
428870ff 2504 if (dump_opt['b'] || dump_opt['c'])
34dc7c2f
BB		 2505 rc = dump_block_stats(spa);
2506
2507 if (dump_opt['s'])
2508 show_pool_stats(spa);
2509
428870ff
BB		 2510 if (dump_opt['h'])
2511 dump_history(spa);
2512
34dc7c2f
BB		 2513 if (rc != 0)
2514 exit(rc);
2515}
2516
2517#define ZDB_FLAG_CHECKSUM 0x0001
2518#define ZDB_FLAG_DECOMPRESS 0x0002
2519#define ZDB_FLAG_BSWAP 0x0004
2520#define ZDB_FLAG_GBH 0x0008
2521#define ZDB_FLAG_INDIRECT 0x0010
2522#define ZDB_FLAG_PHYS 0x0020
2523#define ZDB_FLAG_RAW 0x0040
2524#define ZDB_FLAG_PRINT_BLKPTR 0x0080
2525
2526int flagbits[256];
2527
2528static void
2529zdb_print_blkptr(blkptr_t *bp, int flags)
2530{
428870ff 2531 char blkbuf[BP_SPRINTF_LEN];
34dc7c2f
BB		 2532
2533 if (flags & ZDB_FLAG_BSWAP)
2534 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
428870ff
BB		 2535
2536 sprintf_blkptr(blkbuf, bp);
2537 (void) printf("%s\n", blkbuf);
34dc7c2f
BB		 2538}
2539
2540static void
2541zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
2542{
2543 int i;
2544
2545 for (i = 0; i < nbps; i++)
2546 zdb_print_blkptr(&bp[i], flags);
2547}
2548
2549static void
2550zdb_dump_gbh(void *buf, int flags)
2551{
2552 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
2553}
2554
2555static void
2556zdb_dump_block_raw(void *buf, uint64_t size, int flags)
2557{
2558 if (flags & ZDB_FLAG_BSWAP)
2559 byteswap_uint64_array(buf, size);
0e5b68e0 2560 VERIFY(write(fileno(stdout), buf, size) == size);
34dc7c2f
BB		 2561}
2562
2563static void
2564zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
2565{
2566 uint64_t *d = (uint64_t *)buf;
2567 int nwords = size / sizeof (uint64_t);
2568 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
2569 int i, j;
2570 char *hdr, *c;
2571
2572
2573 if (do_bswap)
2574 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
2575 else
2576 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
2577
2578 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
2579
2580 for (i = 0; i < nwords; i += 2) {
2581 (void) printf("%06llx: %016llx %016llx ",
2582 (u_longlong_t)(i * sizeof (uint64_t)),
2583 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
2584 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
2585
2586 c = (char *)&d[i];
2587 for (j = 0; j < 2 * sizeof (uint64_t); j++)
2588 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
2589 (void) printf("\n");
2590 }
2591}
2592
2593/*
2594 * There are two acceptable formats:
2595 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
2596 * child[.child]* - For example: 0.1.1
2597 *
2598 * The second form can be used to specify arbitrary vdevs anywhere
2599 * in the heirarchy. For example, in a pool with a mirror of
2600 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
2601 */
2602static vdev_t *
2603zdb_vdev_lookup(vdev_t *vdev, char *path)
2604{
2605 char *s, *p, *q;
2606 int i;
2607
2608 if (vdev == NULL)
2609 return (NULL);
2610
2611 /* First, assume the x.x.x.x format */
2612 i = (int)strtoul(path, &s, 10);
2613 if (s == path || (s && *s != '.' && *s != '\0'))
2614 goto name;
2615 if (i < 0 || i >= vdev->vdev_children)
2616 return (NULL);
2617
2618 vdev = vdev->vdev_child[i];
2619 if (*s == '\0')
2620 return (vdev);
2621 return (zdb_vdev_lookup(vdev, s+1));
2622
2623name:
2624 for (i = 0; i < vdev->vdev_children; i++) {
2625 vdev_t *vc = vdev->vdev_child[i];
2626
2627 if (vc->vdev_path == NULL) {
2628 vc = zdb_vdev_lookup(vc, path);
2629 if (vc == NULL)
2630 continue;
2631 else
2632 return (vc);
2633 }
2634
2635 p = strrchr(vc->vdev_path, '/');
2636 p = p ? p + 1 : vc->vdev_path;
2637 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
2638
2639 if (strcmp(vc->vdev_path, path) == 0)
2640 return (vc);
2641 if (strcmp(p, path) == 0)
2642 return (vc);
2643 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2644 return (vc);
2645 }
2646
2647 return (NULL);
2648}
2649
2650/*
2651 * Read a block from a pool and print it out. The syntax of the
2652 * block descriptor is:
2653 *
2654 * pool:vdev_specifier:offset:size[:flags]
2655 *
2656 * pool - The name of the pool you wish to read from
2657 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2658 * offset - offset, in hex, in bytes
2659 * size - Amount of data to read, in hex, in bytes
2660 * flags - A string of characters specifying options
2661 * b: Decode a blkptr at given offset within block
2662 * *c: Calculate and display checksums
428870ff 2663 * d: Decompress data before dumping
34dc7c2f 2664 * e: Byteswap data before dumping
428870ff
BB		 2665 * g: Display data as a gang block header
2666 * i: Display as an indirect block
34dc7c2f
BB		 2667 * p: Do I/O to physical offset
2668 * r: Dump raw data to stdout
2669 *
2670 * * = not yet implemented
2671 */
2672static void
428870ff 2673zdb_read_block(char *thing, spa_t *spa)
34dc7c2f 2674{
428870ff
BB		 2675 blkptr_t blk, *bp = &blk;
2676 dva_t *dva = bp->blk_dva;
34dc7c2f 2677 int flags = 0;
428870ff 2678 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
34dc7c2f
BB		 2679 zio_t *zio;
2680 vdev_t *vd;
428870ff
BB		 2681 void *pbuf, *lbuf, *buf;
2682 char *s, *p, *dup, *vdev, *flagstr;
2683 int i, error;
34dc7c2f
BB		 2684
2685 dup = strdup(thing);
2686 s = strtok(dup, ":");
34dc7c2f
BB		 2687 vdev = s ? s : "";
2688 s = strtok(NULL, ":");
2689 offset = strtoull(s ? s : "", NULL, 16);
2690 s = strtok(NULL, ":");
2691 size = strtoull(s ? s : "", NULL, 16);
2692 s = strtok(NULL, ":");
2693 flagstr = s ? s : "";
2694
2695 s = NULL;
2696 if (size == 0)
2697 s = "size must not be zero";
2698 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2699 s = "size must be a multiple of sector size";
2700 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2701 s = "offset must be a multiple of sector size";
2702 if (s) {
2703 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2704 free(dup);
2705 return;
2706 }
2707
2708 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2709 for (i = 0; flagstr[i]; i++) {
2710 int bit = flagbits[(uchar_t)flagstr[i]];
2711
2712 if (bit == 0) {
2713 (void) printf("***Invalid flag: %c\n",
2714 flagstr[i]);
2715 continue;
2716 }
2717 flags |= bit;
2718
2719 /* If it's not something with an argument, keep going */
428870ff 2720 if ((bit & (ZDB_FLAG_CHECKSUM |
34dc7c2f
BB		 2721 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2722 continue;
2723
2724 p = &flagstr[i + 1];
2725 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2726 blkptr_offset = strtoull(p, &p, 16);
2727 if (*p != ':' && *p != '\0') {
2728 (void) printf("***Invalid flag arg: '%s'\n", s);
2729 free(dup);
2730 return;
2731 }
2732 }
2733 }
2734
34dc7c2f
BB		 2735 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2736 if (vd == NULL) {
2737 (void) printf("***Invalid vdev: %s\n", vdev);
2738 free(dup);
2739 return;
2740 } else {
2741 if (vd->vdev_path)
428870ff
BB		 2742 (void) fprintf(stderr, "Found vdev: %s\n",
2743 vd->vdev_path);
34dc7c2f 2744 else
428870ff 2745 (void) fprintf(stderr, "Found vdev type: %s\n",
34dc7c2f
BB		 2746 vd->vdev_ops->vdev_op_type);
2747 }
2748
428870ff
BB		 2749 psize = size;
2750 lsize = size;
2751
2752 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2753 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2754
2755 BP_ZERO(bp);
34dc7c2f 2756
428870ff
BB		 2757 DVA_SET_VDEV(&dva[0], vd->vdev_id);
2758 DVA_SET_OFFSET(&dva[0], offset);
2759 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
2760 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
2761
2762 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
2763
2764 BP_SET_LSIZE(bp, lsize);
2765 BP_SET_PSIZE(bp, psize);
2766 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
2767 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
2768 BP_SET_TYPE(bp, DMU_OT_NONE);
2769 BP_SET_LEVEL(bp, 0);
2770 BP_SET_DEDUP(bp, 0);
2771 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
34dc7c2f 2772
b128c09f 2773 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
34dc7c2f 2774 zio = zio_root(spa, NULL, NULL, 0);
428870ff
BB		 2775
2776 if (vd == vd->vdev_top) {
2777 /*
2778 * Treat this as a normal block read.
2779 */
2780 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
2781 ZIO_PRIORITY_SYNC_READ,
2782 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
2783 } else {
2784 /*
2785 * Treat this as a vdev child I/O.
2786 */
2787 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
2788 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
2789 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2790 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
2791 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
2792 }
2793
34dc7c2f 2794 error = zio_wait(zio);
b128c09f 2795 spa_config_exit(spa, SCL_STATE, FTAG);
34dc7c2f
BB		 2796
2797 if (error) {
2798 (void) printf("Read of %s failed, error: %d\n", thing, error);
2799 goto out;
2800 }
2801
428870ff
BB		 2802 if (flags & ZDB_FLAG_DECOMPRESS) {
2803 /*
2804 * We don't know how the data was compressed, so just try
2805 * every decompress function at every inflated blocksize.
2806 */
2807 enum zio_compress c;
2808 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2809 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2810
2811 bcopy(pbuf, pbuf2, psize);
2812
2813 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
2814 SPA_MAXBLOCKSIZE - psize) == 0);
2815
2816 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
2817 SPA_MAXBLOCKSIZE - psize) == 0);
2818
2819 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
2820 lsize -= SPA_MINBLOCKSIZE) {
2821 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
2822 if (zio_decompress_data(c, pbuf, lbuf,
2823 psize, lsize) == 0 &&
2824 zio_decompress_data(c, pbuf2, lbuf2,
2825 psize, lsize) == 0 &&
2826 bcmp(lbuf, lbuf2, lsize) == 0)
2827 break;
2828 }
2829 if (c != ZIO_COMPRESS_FUNCTIONS)
2830 break;
2831 lsize -= SPA_MINBLOCKSIZE;
2832 }
2833
2834 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
2835 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
2836
2837 if (lsize <= psize) {
2838 (void) printf("Decompress of %s failed\n", thing);
2839 goto out;
2840 }
2841 buf = lbuf;
2842 size = lsize;
2843 } else {
2844 buf = pbuf;
2845 size = psize;
2846 }
2847
34dc7c2f
BB		 2848 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2849 zdb_print_blkptr((blkptr_t *)(void *)
2850 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2851 else if (flags & ZDB_FLAG_RAW)
2852 zdb_dump_block_raw(buf, size, flags);
2853 else if (flags & ZDB_FLAG_INDIRECT)
2854 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2855 flags);
2856 else if (flags & ZDB_FLAG_GBH)
2857 zdb_dump_gbh(buf, flags);
2858 else
2859 zdb_dump_block(thing, buf, size, flags);
2860
2861out:
428870ff
BB		 2862 umem_free(pbuf, SPA_MAXBLOCKSIZE);
2863 umem_free(lbuf, SPA_MAXBLOCKSIZE);
34dc7c2f
BB		 2864 free(dup);
2865}
2866
2867static boolean_t
428870ff 2868pool_match(nvlist_t *cfg, char *tgt)
34dc7c2f 2869{
428870ff 2870 uint64_t v, guid = strtoull(tgt, NULL, 0);
34dc7c2f
BB		 2871 char *s;
2872
34dc7c2f 2873 if (guid != 0) {
428870ff
BB		 2874 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
2875 return (v == guid);
34dc7c2f 2876 } else {
428870ff
BB		 2877 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
2878 return (strcmp(s, tgt) == 0);
34dc7c2f 2879 }
428870ff 2880 return (B_FALSE);
34dc7c2f
BB		 2881}
2882
428870ff
BB		 2883static char *
2884find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
34dc7c2f
BB		 2885{
2886 nvlist_t *pools;
34dc7c2f 2887 nvlist_t *match = NULL;
428870ff
BB		 2888 char *name = NULL;
2889 char *sepp = NULL;
d4ed6673 2890 char sep = 0;
428870ff
BB		 2891 int count = 0;
2892 importargs_t args = { 0 };
34dc7c2f 2893
428870ff
BB		 2894 args.paths = dirc;
2895 args.path = dirv;
2896 args.can_be_active = B_TRUE;
2897
2898 if ((sepp = strpbrk(*target, "/@")) != NULL) {
2899 sep = *sepp;
2900 *sepp = '\0';
2901 }
2902
2903 pools = zpool_search_import(g_zfs, &args);
34dc7c2f
BB		 2904
2905 if (pools != NULL) {
2906 nvpair_t *elem = NULL;
34dc7c2f
BB		 2907 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2908 verify(nvpair_value_nvlist(elem, configp) == 0);
428870ff
BB		 2909 if (pool_match(*configp, *target)) {
2910 count++;
34dc7c2f 2911 if (match != NULL) {
428870ff
BB		 2912 /* print previously found config */
2913 if (name != NULL) {
2914 (void) printf("%s\n", name);
2915 dump_nvlist(match, 8);
2916 name = NULL;
2917 }
2918 (void) printf("%s\n",
2919 nvpair_name(elem));
2920 dump_nvlist(*configp, 8);
34dc7c2f
BB		 2921 } else {
2922 match = *configp;
428870ff 2923 name = nvpair_name(elem);
34dc7c2f
BB		 2924 }
2925 }
2926 }
2927 }
428870ff
BB		 2928 if (count > 1)
2929 (void) fatal("\tMatched %d pools - use pool GUID "
2930 "instead of pool name or \n"
2931 "\tpool name part of a dataset name to select pool", count);
2932
2933 if (sepp)
2934 *sepp = sep;
2935 /*
2936 * If pool GUID was specified for pool id, replace it with pool name
2937 */
2938 if (name && (strstr(*target, name) != *target)) {
2939 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
2940
2941 *target = umem_alloc(sz, UMEM_NOFAIL);
2942 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
2943 }
34dc7c2f 2944
428870ff 2945 *configp = name ? match : NULL;
34dc7c2f 2946
428870ff 2947 return (name);
34dc7c2f
BB		 2948}
2949
2950int
2951main(int argc, char **argv)
2952{
2953 int i, c;
2954 struct rlimit rl = { 1024, 1024 };
428870ff 2955 spa_t *spa = NULL;
34dc7c2f 2956 objset_t *os = NULL;
34dc7c2f
BB		 2957 int dump_all = 1;
2958 int verbose = 0;
428870ff
BB		 2959 int error = 0;
2960 char **searchdirs = NULL;
2961 int nsearch = 0;
2962 char *target;
2963 nvlist_t *policy = NULL;
2964 uint64_t max_txg = UINT64_MAX;
2965 int rewind = ZPOOL_NEVER_REWIND;
34dc7c2f
BB		 2966
2967 (void) setrlimit(RLIMIT_NOFILE, &rl);
2968 (void) enable_extended_FILE_stdio(-1, -1);
2969
2970 dprintf_setup(&argc, argv);
2971
428870ff 2972 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) {
34dc7c2f 2973 switch (c) {
34dc7c2f
BB		 2974 case 'b':
2975 case 'c':
428870ff
BB		 2976 case 'd':
2977 case 'h':
2978 case 'i':
2979 case 'l':
9babb374 2980 case 'm':
34dc7c2f 2981 case 's':
428870ff 2982 case 'u':
34dc7c2f 2983 case 'C':
428870ff 2984 case 'D':
34dc7c2f 2985 case 'R':
428870ff 2986 case 'S':
34dc7c2f
BB		 2987 dump_opt[c]++;
2988 dump_all = 0;
2989 break;
428870ff
BB		 2990 case 'A':
2991 case 'F':
fb5f0bc8 2992 case 'L':
428870ff
BB		 2993 case 'X':
2994 case 'e':
2995 case 'P':
fb5f0bc8
BB		 2996 dump_opt[c]++;
2997 break;
34dc7c2f
BB		 2998 case 'v':
2999 verbose++;
3000 break;
34dc7c2f 3001 case 'p':
428870ff
BB		 3002 if (searchdirs == NULL) {
3003 searchdirs = umem_alloc(sizeof (char *),
3004 UMEM_NOFAIL);
3005 } else {
3006 char **tmp = umem_alloc((nsearch + 1) *
3007 sizeof (char *), UMEM_NOFAIL);
3008 bcopy(searchdirs, tmp, nsearch *
3009 sizeof (char *));
3010 umem_free(searchdirs,
3011 nsearch * sizeof (char *));
3012 searchdirs = tmp;
3013 }
3014 searchdirs[nsearch++] = optarg;
34dc7c2f 3015 break;
fb5f0bc8 3016 case 't':
428870ff
BB		 3017 max_txg = strtoull(optarg, NULL, 0);
3018 if (max_txg < TXG_INITIAL) {
fb5f0bc8
BB		 3019 (void) fprintf(stderr, "incorrect txg "
3020 "specified: %s\n", optarg);
3021 usage();
3022 }
3023 break;
428870ff
BB		 3024 case 'U':
3025 spa_config_path = optarg;
3026 break;
34dc7c2f
BB		 3027 default:
3028 usage();
3029 break;
3030 }
3031 }
3032
428870ff 3033 if (!dump_opt['e'] && searchdirs != NULL) {
b128c09f
BB		 3034 (void) fprintf(stderr, "-p option requires use of -e\n");
3035 usage();
3036 }
34dc7c2f
BB		 3037
3038 kernel_init(FREAD);
3039 g_zfs = libzfs_init();
3040 ASSERT(g_zfs != NULL);
3041
428870ff
BB		 3042 if (dump_all)
3043 verbose = MAX(verbose, 1);
3044
34dc7c2f 3045 for (c = 0; c < 256; c++) {
428870ff 3046 if (dump_all && !strchr("elAFLRSXP", c))
34dc7c2f
BB		 3047 dump_opt[c] = 1;
3048 if (dump_opt[c])
3049 dump_opt[c] += verbose;
3050 }
3051
428870ff
BB		 3052 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
3053 zfs_recover = (dump_opt['A'] > 1);
3054
34dc7c2f
BB		 3055 argc -= optind;
3056 argv += optind;
3057
428870ff
BB		 3058 if (argc < 2 && dump_opt['R'])
3059 usage();
34dc7c2f 3060 if (argc < 1) {
428870ff 3061 if (!dump_opt['e'] && dump_opt['C']) {
b128c09f 3062 dump_cachefile(spa_config_path);
34dc7c2f
BB		 3063 return (0);
3064 }
3065 usage();
3066 }
3067
3068 if (dump_opt['l']) {
3069 dump_label(argv[0]);
3070 return (0);
3071 }
3072
428870ff
BB		 3073 if (dump_opt['X'] || dump_opt['F'])
3074 rewind = ZPOOL_DO_REWIND |
3075 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
34dc7c2f 3076
428870ff
BB		 3077 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
3078 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
3079 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
3080 fatal("internal error: %s", strerror(ENOMEM));
34dc7c2f 3081
b128c09f 3082 error = 0;
428870ff 3083 target = argv[0];
34dc7c2f 3084
428870ff
BB		 3085 if (dump_opt['e']) {
3086 nvlist_t *cfg = NULL;
3087 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
34dc7c2f 3088
428870ff
BB		 3089 error = ENOENT;
3090 if (name) {
3091 if (dump_opt['C'] > 1) {
3092 (void) printf("\nConfiguration for import:\n");
3093 dump_nvlist(cfg, 8);
3094 }
3095 if (nvlist_add_nvlist(cfg,
3096 ZPOOL_REWIND_POLICY, policy) != 0) {
3097 fatal("can't open '%s': %s",
3098 target, strerror(ENOMEM));
3099 }
572e2857
BB		 3100 if ((error = spa_import(name, cfg, NULL,
3101 ZFS_IMPORT_MISSING_LOG)) != 0) {
3102 error = spa_import(name, cfg, NULL,
3103 ZFS_IMPORT_VERBATIM);
3104 }
34dc7c2f 3105 }
b128c09f
BB		 3106 }
3107
3108 if (error == 0) {
428870ff
BB		 3109 if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
3110 error = spa_open_rewind(target, &spa, FTAG, policy,
3111 NULL);
3112 if (error) {
3113 /*
3114 * If we're missing the log device then
3115 * try opening the pool after clearing the
3116 * log state.
3117 */
3118 mutex_enter(&spa_namespace_lock);
3119 if ((spa = spa_lookup(target)) != NULL &&
3120 spa->spa_log_state == SPA_LOG_MISSING) {
3121 spa->spa_log_state = SPA_LOG_CLEAR;
3122 error = 0;
3123 }
3124 mutex_exit(&spa_namespace_lock);
3125
3126 if (!error) {
3127 error = spa_open_rewind(target, &spa,
3128 FTAG, policy, NULL);
3129 }
3130 }
b128c09f 3131 } else {
428870ff
BB		 3132 error = dmu_objset_own(target, DMU_OST_ANY,
3133 B_TRUE, FTAG, &os);
b128c09f 3134 }
34dc7c2f 3135 }
428870ff 3136 nvlist_free(policy);
34dc7c2f
BB		 3137
3138 if (error)
428870ff 3139 fatal("can't open '%s': %s", target, strerror(error));
34dc7c2f
BB		 3140
3141 argv++;
428870ff
BB		 3142 argc--;
3143 if (!dump_opt['R']) {
3144 if (argc > 0) {
3145 zopt_objects = argc;
3146 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
3147 for (i = 0; i < zopt_objects; i++) {
3148 errno = 0;
3149 zopt_object[i] = strtoull(argv[i], NULL, 0);
3150 if (zopt_object[i] == 0 && errno != 0)
3151 fatal("bad number %s: %s",
3152 argv[i], strerror(errno));
3153 }
34dc7c2f 3154 }
428870ff 3155 (os != NULL) ? dump_dir(os) : dump_zpool(spa);
34dc7c2f 3156 } else {
428870ff
BB		 3157 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
3158 flagbits['c'] = ZDB_FLAG_CHECKSUM;
3159 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
3160 flagbits['e'] = ZDB_FLAG_BSWAP;
3161 flagbits['g'] = ZDB_FLAG_GBH;
3162 flagbits['i'] = ZDB_FLAG_INDIRECT;
3163 flagbits['p'] = ZDB_FLAG_PHYS;
3164 flagbits['r'] = ZDB_FLAG_RAW;
3165
3166 for (i = 0; i < argc; i++)
3167 zdb_read_block(argv[i], spa);
34dc7c2f
BB		 3168 }
3169
428870ff
BB		 3170 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
3171
34dc7c2f 3172 fuid_table_destroy();
428870ff 3173 sa_loaded = B_FALSE;
34dc7c2f
BB		 3174
3175 libzfs_fini(g_zfs);
3176 kernel_fini();
3177
3178 return (0);
3179}
Mirror of ZFSOnLinux for Debian