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1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2012 by Delphix. All rights reserved.
25 */
26
27 #include <stdio.h>
28 #include <stdio_ext.h>
29 #include <stdlib.h>
30 #include <ctype.h>
31 #include <sys/zfs_context.h>
32 #include <sys/spa.h>
33 #include <sys/spa_impl.h>
34 #include <sys/dmu.h>
35 #include <sys/zap.h>
36 #include <sys/fs/zfs.h>
37 #include <sys/zfs_znode.h>
38 #include <sys/zfs_sa.h>
39 #include <sys/sa.h>
40 #include <sys/sa_impl.h>
41 #include <sys/vdev.h>
42 #include <sys/vdev_impl.h>
43 #include <sys/metaslab_impl.h>
44 #include <sys/dmu_objset.h>
45 #include <sys/dsl_dir.h>
46 #include <sys/dsl_dataset.h>
47 #include <sys/dsl_pool.h>
48 #include <sys/dbuf.h>
49 #include <sys/zil.h>
50 #include <sys/zil_impl.h>
51 #include <sys/stat.h>
52 #include <sys/resource.h>
53 #include <sys/dmu_traverse.h>
54 #include <sys/zio_checksum.h>
55 #include <sys/zio_compress.h>
56 #include <sys/zfs_fuid.h>
57 #include <sys/arc.h>
58 #include <sys/ddt.h>
59 #include <sys/zfeature.h>
60 #include <zfs_comutil.h>
61 #undef ZFS_MAXNAMELEN
62 #include <libzfs.h>
63
64 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
65 zio_compress_table[(idx)].ci_name : "UNKNOWN")
66 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
67 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
68 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \
69 dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \
70 dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN")
71 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
72 (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \
73 DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES))
74
75 #ifndef lint
76 extern int zfs_recover;
77 #else
78 int zfs_recover;
79 #endif
80
81 const char cmdname[] = "zdb";
82 uint8_t dump_opt[256];
83
84 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
85
86 extern void dump_intent_log(zilog_t *);
87 uint64_t *zopt_object = NULL;
88 int zopt_objects = 0;
89 libzfs_handle_t *g_zfs;
90 uint64_t max_inflight = 200;
91
92 /*
93 * These libumem hooks provide a reasonable set of defaults for the allocator's
94 * debugging facilities.
95 */
96 const char *
97 _umem_debug_init(void)
98 {
99 return ("default,verbose"); /* $UMEM_DEBUG setting */
100 }
101
102 const char *
103 _umem_logging_init(void)
104 {
105 return ("fail,contents"); /* $UMEM_LOGGING setting */
106 }
107
108 static void
109 usage(void)
110 {
111 (void) fprintf(stderr,
112 "Usage: %s [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]] "
113 "[-U config] [-M inflight I/Os] poolname [object...]\n"
114 " %s [-divPA] [-e -p path...] [-U config] dataset "
115 "[object...]\n"
116 " %s -m [-LXFPA] [-t txg] [-e [-p path...]] [-U config] "
117 "poolname [vdev [metaslab...]]\n"
118 " %s -R [-A] [-e [-p path...]] poolname "
119 "vdev:offset:size[:flags]\n"
120 " %s -S [-PA] [-e [-p path...]] [-U config] poolname\n"
121 " %s -l [-uA] device\n"
122 " %s -C [-A] [-U config]\n\n",
123 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
124
125 (void) fprintf(stderr, " Dataset name must include at least one "
126 "separator character '/' or '@'\n");
127 (void) fprintf(stderr, " If dataset name is specified, only that "
128 "dataset is dumped\n");
129 (void) fprintf(stderr, " If object numbers are specified, only "
130 "those objects are dumped\n\n");
131 (void) fprintf(stderr, " Options to control amount of output:\n");
132 (void) fprintf(stderr, " -u uberblock\n");
133 (void) fprintf(stderr, " -d dataset(s)\n");
134 (void) fprintf(stderr, " -i intent logs\n");
135 (void) fprintf(stderr, " -C config (or cachefile if alone)\n");
136 (void) fprintf(stderr, " -h pool history\n");
137 (void) fprintf(stderr, " -b block statistics\n");
138 (void) fprintf(stderr, " -m metaslabs\n");
139 (void) fprintf(stderr, " -c checksum all metadata (twice for "
140 "all data) blocks\n");
141 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
142 (void) fprintf(stderr, " -D dedup statistics\n");
143 (void) fprintf(stderr, " -S simulate dedup to measure effect\n");
144 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
145 (void) fprintf(stderr, " -l dump label contents\n");
146 (void) fprintf(stderr, " -L disable leak tracking (do not "
147 "load spacemaps)\n");
148 (void) fprintf(stderr, " -R read and display block from a "
149 "device\n\n");
150 (void) fprintf(stderr, " Below options are intended for use "
151 "with other options (except -l):\n");
152 (void) fprintf(stderr, " -A ignore assertions (-A), enable "
153 "panic recovery (-AA) or both (-AAA)\n");
154 (void) fprintf(stderr, " -F attempt automatic rewind within "
155 "safe range of transaction groups\n");
156 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
157 "cachefile\n");
158 (void) fprintf(stderr, " -X attempt extreme rewind (does not "
159 "work with dataset)\n");
160 (void) fprintf(stderr, " -e pool is exported/destroyed/"
161 "has altroot/not in a cachefile\n");
162 (void) fprintf(stderr, " -p <path> -- use one or more with "
163 "-e to specify path to vdev dir\n");
164 (void) fprintf(stderr, " -P print numbers in parseable form\n");
165 (void) fprintf(stderr, " -t <txg> -- highest txg to use when "
166 "searching for uberblocks\n");
167 (void) fprintf(stderr, " -M <number of inflight I/Os> -- "
168 "specify the maximum number of checksumming I/Os [default is 200]\n");
169 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
170 "to make only that option verbose\n");
171 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
172 exit(1);
173 }
174
175 /*
176 * Called for usage errors that are discovered after a call to spa_open(),
177 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
178 */
179
180 static void
181 fatal(const char *fmt, ...)
182 {
183 va_list ap;
184
185 va_start(ap, fmt);
186 (void) fprintf(stderr, "%s: ", cmdname);
187 (void) vfprintf(stderr, fmt, ap);
188 va_end(ap);
189 (void) fprintf(stderr, "\n");
190
191 exit(1);
192 }
193
194 /* ARGSUSED */
195 static void
196 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
197 {
198 nvlist_t *nv;
199 size_t nvsize = *(uint64_t *)data;
200 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
201
202 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
203
204 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
205
206 umem_free(packed, nvsize);
207
208 dump_nvlist(nv, 8);
209
210 nvlist_free(nv);
211 }
212
213 /* ARGSUSED */
214 static void
215 dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size)
216 {
217 spa_history_phys_t *shp = data;
218
219 if (shp == NULL)
220 return;
221
222 (void) printf("\t\tpool_create_len = %llu\n",
223 (u_longlong_t)shp->sh_pool_create_len);
224 (void) printf("\t\tphys_max_off = %llu\n",
225 (u_longlong_t)shp->sh_phys_max_off);
226 (void) printf("\t\tbof = %llu\n",
227 (u_longlong_t)shp->sh_bof);
228 (void) printf("\t\teof = %llu\n",
229 (u_longlong_t)shp->sh_eof);
230 (void) printf("\t\trecords_lost = %llu\n",
231 (u_longlong_t)shp->sh_records_lost);
232 }
233
234 static void
235 zdb_nicenum(uint64_t num, char *buf)
236 {
237 if (dump_opt['P'])
238 (void) sprintf(buf, "%llu", (longlong_t)num);
239 else
240 nicenum(num, buf);
241 }
242
243 const char dump_zap_stars[] = "****************************************";
244 const int dump_zap_width = sizeof (dump_zap_stars) - 1;
245
246 static void
247 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
248 {
249 int i;
250 int minidx = ZAP_HISTOGRAM_SIZE - 1;
251 int maxidx = 0;
252 uint64_t max = 0;
253
254 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
255 if (histo[i] > max)
256 max = histo[i];
257 if (histo[i] > 0 && i > maxidx)
258 maxidx = i;
259 if (histo[i] > 0 && i < minidx)
260 minidx = i;
261 }
262
263 if (max < dump_zap_width)
264 max = dump_zap_width;
265
266 for (i = minidx; i <= maxidx; i++)
267 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
268 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
269 }
270
271 static void
272 dump_zap_stats(objset_t *os, uint64_t object)
273 {
274 int error;
275 zap_stats_t zs;
276
277 error = zap_get_stats(os, object, &zs);
278 if (error)
279 return;
280
281 if (zs.zs_ptrtbl_len == 0) {
282 ASSERT(zs.zs_num_blocks == 1);
283 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
284 (u_longlong_t)zs.zs_blocksize,
285 (u_longlong_t)zs.zs_num_entries);
286 return;
287 }
288
289 (void) printf("\tFat ZAP stats:\n");
290
291 (void) printf("\t\tPointer table:\n");
292 (void) printf("\t\t\t%llu elements\n",
293 (u_longlong_t)zs.zs_ptrtbl_len);
294 (void) printf("\t\t\tzt_blk: %llu\n",
295 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
296 (void) printf("\t\t\tzt_numblks: %llu\n",
297 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
298 (void) printf("\t\t\tzt_shift: %llu\n",
299 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
300 (void) printf("\t\t\tzt_blks_copied: %llu\n",
301 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
302 (void) printf("\t\t\tzt_nextblk: %llu\n",
303 (u_longlong_t)zs.zs_ptrtbl_nextblk);
304
305 (void) printf("\t\tZAP entries: %llu\n",
306 (u_longlong_t)zs.zs_num_entries);
307 (void) printf("\t\tLeaf blocks: %llu\n",
308 (u_longlong_t)zs.zs_num_leafs);
309 (void) printf("\t\tTotal blocks: %llu\n",
310 (u_longlong_t)zs.zs_num_blocks);
311 (void) printf("\t\tzap_block_type: 0x%llx\n",
312 (u_longlong_t)zs.zs_block_type);
313 (void) printf("\t\tzap_magic: 0x%llx\n",
314 (u_longlong_t)zs.zs_magic);
315 (void) printf("\t\tzap_salt: 0x%llx\n",
316 (u_longlong_t)zs.zs_salt);
317
318 (void) printf("\t\tLeafs with 2^n pointers:\n");
319 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
320
321 (void) printf("\t\tBlocks with n*5 entries:\n");
322 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
323
324 (void) printf("\t\tBlocks n/10 full:\n");
325 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
326
327 (void) printf("\t\tEntries with n chunks:\n");
328 dump_zap_histogram(zs.zs_entries_using_n_chunks);
329
330 (void) printf("\t\tBuckets with n entries:\n");
331 dump_zap_histogram(zs.zs_buckets_with_n_entries);
332 }
333
334 /*ARGSUSED*/
335 static void
336 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
337 {
338 }
339
340 /*ARGSUSED*/
341 static void
342 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
343 {
344 (void) printf("\tUNKNOWN OBJECT TYPE\n");
345 }
346
347 /*ARGSUSED*/
348 void
349 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
350 {
351 }
352
353 /*ARGSUSED*/
354 static void
355 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
356 {
357 }
358
359 /*ARGSUSED*/
360 static void
361 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
362 {
363 zap_cursor_t zc;
364 zap_attribute_t attr;
365 void *prop;
366 int i;
367
368 dump_zap_stats(os, object);
369 (void) printf("\n");
370
371 for (zap_cursor_init(&zc, os, object);
372 zap_cursor_retrieve(&zc, &attr) == 0;
373 zap_cursor_advance(&zc)) {
374 (void) printf("\t\t%s = ", attr.za_name);
375 if (attr.za_num_integers == 0) {
376 (void) printf("\n");
377 continue;
378 }
379 prop = umem_zalloc(attr.za_num_integers *
380 attr.za_integer_length, UMEM_NOFAIL);
381 (void) zap_lookup(os, object, attr.za_name,
382 attr.za_integer_length, attr.za_num_integers, prop);
383 if (attr.za_integer_length == 1) {
384 (void) printf("%s", (char *)prop);
385 } else {
386 for (i = 0; i < attr.za_num_integers; i++) {
387 switch (attr.za_integer_length) {
388 case 2:
389 (void) printf("%u ",
390 ((uint16_t *)prop)[i]);
391 break;
392 case 4:
393 (void) printf("%u ",
394 ((uint32_t *)prop)[i]);
395 break;
396 case 8:
397 (void) printf("%lld ",
398 (u_longlong_t)((int64_t *)prop)[i]);
399 break;
400 }
401 }
402 }
403 (void) printf("\n");
404 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
405 }
406 zap_cursor_fini(&zc);
407 }
408
409 /*ARGSUSED*/
410 static void
411 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
412 {
413 dump_zap_stats(os, object);
414 /* contents are printed elsewhere, properly decoded */
415 }
416
417 /*ARGSUSED*/
418 static void
419 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
420 {
421 zap_cursor_t zc;
422 zap_attribute_t attr;
423
424 dump_zap_stats(os, object);
425 (void) printf("\n");
426
427 for (zap_cursor_init(&zc, os, object);
428 zap_cursor_retrieve(&zc, &attr) == 0;
429 zap_cursor_advance(&zc)) {
430 (void) printf("\t\t%s = ", attr.za_name);
431 if (attr.za_num_integers == 0) {
432 (void) printf("\n");
433 continue;
434 }
435 (void) printf(" %llx : [%d:%d:%d]\n",
436 (u_longlong_t)attr.za_first_integer,
437 (int)ATTR_LENGTH(attr.za_first_integer),
438 (int)ATTR_BSWAP(attr.za_first_integer),
439 (int)ATTR_NUM(attr.za_first_integer));
440 }
441 zap_cursor_fini(&zc);
442 }
443
444 /*ARGSUSED*/
445 static void
446 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
447 {
448 zap_cursor_t zc;
449 zap_attribute_t attr;
450 uint16_t *layout_attrs;
451 int i;
452
453 dump_zap_stats(os, object);
454 (void) printf("\n");
455
456 for (zap_cursor_init(&zc, os, object);
457 zap_cursor_retrieve(&zc, &attr) == 0;
458 zap_cursor_advance(&zc)) {
459 (void) printf("\t\t%s = [", attr.za_name);
460 if (attr.za_num_integers == 0) {
461 (void) printf("\n");
462 continue;
463 }
464
465 VERIFY(attr.za_integer_length == 2);
466 layout_attrs = umem_zalloc(attr.za_num_integers *
467 attr.za_integer_length, UMEM_NOFAIL);
468
469 VERIFY(zap_lookup(os, object, attr.za_name,
470 attr.za_integer_length,
471 attr.za_num_integers, layout_attrs) == 0);
472
473 for (i = 0; i != attr.za_num_integers; i++)
474 (void) printf(" %d ", (int)layout_attrs[i]);
475 (void) printf("]\n");
476 umem_free(layout_attrs,
477 attr.za_num_integers * attr.za_integer_length);
478 }
479 zap_cursor_fini(&zc);
480 }
481
482 /*ARGSUSED*/
483 static void
484 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
485 {
486 zap_cursor_t zc;
487 zap_attribute_t attr;
488 const char *typenames[] = {
489 /* 0 */ "not specified",
490 /* 1 */ "FIFO",
491 /* 2 */ "Character Device",
492 /* 3 */ "3 (invalid)",
493 /* 4 */ "Directory",
494 /* 5 */ "5 (invalid)",
495 /* 6 */ "Block Device",
496 /* 7 */ "7 (invalid)",
497 /* 8 */ "Regular File",
498 /* 9 */ "9 (invalid)",
499 /* 10 */ "Symbolic Link",
500 /* 11 */ "11 (invalid)",
501 /* 12 */ "Socket",
502 /* 13 */ "Door",
503 /* 14 */ "Event Port",
504 /* 15 */ "15 (invalid)",
505 };
506
507 dump_zap_stats(os, object);
508 (void) printf("\n");
509
510 for (zap_cursor_init(&zc, os, object);
511 zap_cursor_retrieve(&zc, &attr) == 0;
512 zap_cursor_advance(&zc)) {
513 (void) printf("\t\t%s = %lld (type: %s)\n",
514 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
515 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
516 }
517 zap_cursor_fini(&zc);
518 }
519
520 static void
521 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
522 {
523 uint64_t alloc, offset, entry;
524 uint8_t mapshift = sm->sm_shift;
525 uint64_t mapstart = sm->sm_start;
526 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
527 "INVALID", "INVALID", "INVALID", "INVALID" };
528
529 if (smo->smo_object == 0)
530 return;
531
532 /*
533 * Print out the freelist entries in both encoded and decoded form.
534 */
535 alloc = 0;
536 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
537 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset,
538 sizeof (entry), &entry, DMU_READ_PREFETCH));
539 if (SM_DEBUG_DECODE(entry)) {
540 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
541 (u_longlong_t)(offset / sizeof (entry)),
542 ddata[SM_DEBUG_ACTION_DECODE(entry)],
543 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
544 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
545 } else {
546 (void) printf("\t [%6llu] %c range:"
547 " %010llx-%010llx size: %06llx\n",
548 (u_longlong_t)(offset / sizeof (entry)),
549 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
550 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
551 mapshift) + mapstart),
552 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
553 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
554 mapshift)),
555 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
556 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
557 alloc += SM_RUN_DECODE(entry) << mapshift;
558 else
559 alloc -= SM_RUN_DECODE(entry) << mapshift;
560 }
561 }
562 if (alloc != smo->smo_alloc) {
563 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
564 "with space map summary (%llu)\n",
565 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
566 }
567 }
568
569 static void
570 dump_metaslab_stats(metaslab_t *msp)
571 {
572 char maxbuf[32];
573 space_map_t *sm = msp->ms_map;
574 avl_tree_t *t = sm->sm_pp_root;
575 int free_pct = sm->sm_space * 100 / sm->sm_size;
576
577 zdb_nicenum(space_map_maxsize(sm), maxbuf);
578
579 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
580 "segments", avl_numnodes(t), "maxsize", maxbuf,
581 "freepct", free_pct);
582 }
583
584 static void
585 dump_metaslab(metaslab_t *msp)
586 {
587 vdev_t *vd = msp->ms_group->mg_vd;
588 spa_t *spa = vd->vdev_spa;
589 space_map_t *sm = msp->ms_map;
590 space_map_obj_t *smo = &msp->ms_smo;
591 char freebuf[32];
592
593 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf);
594
595 (void) printf(
596 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
597 (u_longlong_t)(sm->sm_start / sm->sm_size),
598 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf);
599
600 if (dump_opt['m'] > 1 && !dump_opt['L']) {
601 mutex_enter(&msp->ms_lock);
602 space_map_load_wait(sm);
603 if (!sm->sm_loaded)
604 VERIFY(space_map_load(sm, zfs_metaslab_ops,
605 SM_FREE, smo, spa->spa_meta_objset) == 0);
606 dump_metaslab_stats(msp);
607 space_map_unload(sm);
608 mutex_exit(&msp->ms_lock);
609 }
610
611 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
612 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift));
613
614 mutex_enter(&msp->ms_lock);
615 dump_spacemap(spa->spa_meta_objset, smo, sm);
616 mutex_exit(&msp->ms_lock);
617 }
618 }
619
620 static void
621 print_vdev_metaslab_header(vdev_t *vd)
622 {
623 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
624 (u_longlong_t)vd->vdev_id,
625 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
626 "offset", "spacemap", "free");
627 (void) printf("\t%15s %19s %15s %10s\n",
628 "---------------", "-------------------",
629 "---------------", "-------------");
630 }
631
632 static void
633 dump_metaslabs(spa_t *spa)
634 {
635 vdev_t *vd, *rvd = spa->spa_root_vdev;
636 uint64_t m, c = 0, children = rvd->vdev_children;
637
638 (void) printf("\nMetaslabs:\n");
639
640 if (!dump_opt['d'] && zopt_objects > 0) {
641 c = zopt_object[0];
642
643 if (c >= children)
644 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
645
646 if (zopt_objects > 1) {
647 vd = rvd->vdev_child[c];
648 print_vdev_metaslab_header(vd);
649
650 for (m = 1; m < zopt_objects; m++) {
651 if (zopt_object[m] < vd->vdev_ms_count)
652 dump_metaslab(
653 vd->vdev_ms[zopt_object[m]]);
654 else
655 (void) fprintf(stderr, "bad metaslab "
656 "number %llu\n",
657 (u_longlong_t)zopt_object[m]);
658 }
659 (void) printf("\n");
660 return;
661 }
662 children = c + 1;
663 }
664 for (; c < children; c++) {
665 vd = rvd->vdev_child[c];
666 print_vdev_metaslab_header(vd);
667
668 for (m = 0; m < vd->vdev_ms_count; m++)
669 dump_metaslab(vd->vdev_ms[m]);
670 (void) printf("\n");
671 }
672 }
673
674 static void
675 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
676 {
677 const ddt_phys_t *ddp = dde->dde_phys;
678 const ddt_key_t *ddk = &dde->dde_key;
679 char *types[4] = { "ditto", "single", "double", "triple" };
680 char blkbuf[BP_SPRINTF_LEN];
681 blkptr_t blk;
682 int p;
683
684 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
685 if (ddp->ddp_phys_birth == 0)
686 continue;
687 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
688 sprintf_blkptr(blkbuf, &blk);
689 (void) printf("index %llx refcnt %llu %s %s\n",
690 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
691 types[p], blkbuf);
692 }
693 }
694
695 static void
696 dump_dedup_ratio(const ddt_stat_t *dds)
697 {
698 double rL, rP, rD, D, dedup, compress, copies;
699
700 if (dds->dds_blocks == 0)
701 return;
702
703 rL = (double)dds->dds_ref_lsize;
704 rP = (double)dds->dds_ref_psize;
705 rD = (double)dds->dds_ref_dsize;
706 D = (double)dds->dds_dsize;
707
708 dedup = rD / D;
709 compress = rL / rP;
710 copies = rD / rP;
711
712 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
713 "dedup * compress / copies = %.2f\n\n",
714 dedup, compress, copies, dedup * compress / copies);
715 }
716
717 static void
718 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
719 {
720 char name[DDT_NAMELEN];
721 ddt_entry_t dde;
722 uint64_t walk = 0;
723 dmu_object_info_t doi;
724 uint64_t count, dspace, mspace;
725 int error;
726
727 error = ddt_object_info(ddt, type, class, &doi);
728
729 if (error == ENOENT)
730 return;
731 ASSERT(error == 0);
732
733 error = ddt_object_count(ddt, type, class, &count);
734 ASSERT(error == 0);
735 if (count == 0)
736 return;
737
738 dspace = doi.doi_physical_blocks_512 << 9;
739 mspace = doi.doi_fill_count * doi.doi_data_block_size;
740
741 ddt_object_name(ddt, type, class, name);
742
743 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
744 name,
745 (u_longlong_t)count,
746 (u_longlong_t)(dspace / count),
747 (u_longlong_t)(mspace / count));
748
749 if (dump_opt['D'] < 3)
750 return;
751
752 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
753
754 if (dump_opt['D'] < 4)
755 return;
756
757 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
758 return;
759
760 (void) printf("%s contents:\n\n", name);
761
762 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
763 dump_dde(ddt, &dde, walk);
764
765 ASSERT(error == ENOENT);
766
767 (void) printf("\n");
768 }
769
770 static void
771 dump_all_ddts(spa_t *spa)
772 {
773 ddt_histogram_t ddh_total;
774 ddt_stat_t dds_total;
775 enum zio_checksum c;
776 enum ddt_type type;
777 enum ddt_class class;
778
779 bzero(&ddh_total, sizeof (ddt_histogram_t));
780 bzero(&dds_total, sizeof (ddt_stat_t));
781
782 for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
783 ddt_t *ddt = spa->spa_ddt[c];
784 for (type = 0; type < DDT_TYPES; type++) {
785 for (class = 0; class < DDT_CLASSES;
786 class++) {
787 dump_ddt(ddt, type, class);
788 }
789 }
790 }
791
792 ddt_get_dedup_stats(spa, &dds_total);
793
794 if (dds_total.dds_blocks == 0) {
795 (void) printf("All DDTs are empty\n");
796 return;
797 }
798
799 (void) printf("\n");
800
801 if (dump_opt['D'] > 1) {
802 (void) printf("DDT histogram (aggregated over all DDTs):\n");
803 ddt_get_dedup_histogram(spa, &ddh_total);
804 zpool_dump_ddt(&dds_total, &ddh_total);
805 }
806
807 dump_dedup_ratio(&dds_total);
808 }
809
810 static void
811 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
812 {
813 char *prefix = (void *)sm;
814
815 (void) printf("%s [%llu,%llu) length %llu\n",
816 prefix,
817 (u_longlong_t)start,
818 (u_longlong_t)(start + size),
819 (u_longlong_t)(size));
820 }
821
822 static void
823 dump_dtl(vdev_t *vd, int indent)
824 {
825 spa_t *spa = vd->vdev_spa;
826 boolean_t required;
827 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
828 char prefix[256];
829 int c, t;
830
831 spa_vdev_state_enter(spa, SCL_NONE);
832 required = vdev_dtl_required(vd);
833 (void) spa_vdev_state_exit(spa, NULL, 0);
834
835 if (indent == 0)
836 (void) printf("\nDirty time logs:\n\n");
837
838 (void) printf("\t%*s%s [%s]\n", indent, "",
839 vd->vdev_path ? vd->vdev_path :
840 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
841 required ? "DTL-required" : "DTL-expendable");
842
843 for (t = 0; t < DTL_TYPES; t++) {
844 space_map_t *sm = &vd->vdev_dtl[t];
845 if (sm->sm_space == 0)
846 continue;
847 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
848 indent + 2, "", name[t]);
849 mutex_enter(sm->sm_lock);
850 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
851 mutex_exit(sm->sm_lock);
852 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
853 dump_spacemap(spa->spa_meta_objset,
854 &vd->vdev_dtl_smo, sm);
855 }
856
857 for (c = 0; c < vd->vdev_children; c++)
858 dump_dtl(vd->vdev_child[c], indent + 4);
859 }
860
861 static void
862 dump_history(spa_t *spa)
863 {
864 nvlist_t **events = NULL;
865 char buf[SPA_MAXBLOCKSIZE];
866 uint64_t resid, len, off = 0;
867 uint_t num = 0;
868 int error;
869 time_t tsec;
870 struct tm t;
871 char tbuf[30];
872 char internalstr[MAXPATHLEN];
873 int i;
874
875 do {
876 len = sizeof (buf);
877
878 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
879 (void) fprintf(stderr, "Unable to read history: "
880 "error %d\n", error);
881 return;
882 }
883
884 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
885 break;
886
887 off -= resid;
888 } while (len != 0);
889
890 (void) printf("\nHistory:\n");
891 for (i = 0; i < num; i++) {
892 uint64_t time, txg, ievent;
893 char *cmd, *intstr;
894 boolean_t printed = B_FALSE;
895
896 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
897 &time) != 0)
898 goto next;
899 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
900 &cmd) != 0) {
901 if (nvlist_lookup_uint64(events[i],
902 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
903 goto next;
904 verify(nvlist_lookup_uint64(events[i],
905 ZPOOL_HIST_TXG, &txg) == 0);
906 verify(nvlist_lookup_string(events[i],
907 ZPOOL_HIST_INT_STR, &intstr) == 0);
908 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS)
909 goto next;
910
911 (void) snprintf(internalstr,
912 sizeof (internalstr),
913 "[internal %s txg:%lld] %s",
914 zfs_history_event_names[ievent],
915 (longlong_t)txg, intstr);
916 cmd = internalstr;
917 }
918 tsec = time;
919 (void) localtime_r(&tsec, &t);
920 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
921 (void) printf("%s %s\n", tbuf, cmd);
922 printed = B_TRUE;
923
924 next:
925 if (dump_opt['h'] > 1) {
926 if (!printed)
927 (void) printf("unrecognized record:\n");
928 dump_nvlist(events[i], 2);
929 }
930 }
931 }
932
933 /*ARGSUSED*/
934 static void
935 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
936 {
937 }
938
939 static uint64_t
940 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
941 {
942 if (dnp == NULL) {
943 ASSERT(zb->zb_level < 0);
944 if (zb->zb_object == 0)
945 return (zb->zb_blkid);
946 return (zb->zb_blkid * BP_GET_LSIZE(bp));
947 }
948
949 ASSERT(zb->zb_level >= 0);
950
951 return ((zb->zb_blkid <<
952 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
953 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
954 }
955
956 static void
957 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
958 {
959 const dva_t *dva = bp->blk_dva;
960 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
961 int i;
962
963 if (dump_opt['b'] >= 5) {
964 sprintf_blkptr(blkbuf, bp);
965 return;
966 }
967
968 blkbuf[0] = '\0';
969
970 for (i = 0; i < ndvas; i++)
971 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
972 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
973 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
974 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
975
976 (void) sprintf(blkbuf + strlen(blkbuf),
977 "%llxL/%llxP F=%llu B=%llu/%llu",
978 (u_longlong_t)BP_GET_LSIZE(bp),
979 (u_longlong_t)BP_GET_PSIZE(bp),
980 (u_longlong_t)bp->blk_fill,
981 (u_longlong_t)bp->blk_birth,
982 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
983 }
984
985 static void
986 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
987 const dnode_phys_t *dnp)
988 {
989 char blkbuf[BP_SPRINTF_LEN];
990 int l;
991
992 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
993 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
994
995 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
996
997 ASSERT(zb->zb_level >= 0);
998
999 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
1000 if (l == zb->zb_level) {
1001 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
1002 } else {
1003 (void) printf(" ");
1004 }
1005 }
1006
1007 sprintf_blkptr_compact(blkbuf, bp);
1008 (void) printf("%s\n", blkbuf);
1009 }
1010
1011 static int
1012 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
1013 blkptr_t *bp, const zbookmark_t *zb)
1014 {
1015 int err = 0;
1016
1017 if (bp->blk_birth == 0)
1018 return (0);
1019
1020 print_indirect(bp, zb, dnp);
1021
1022 if (BP_GET_LEVEL(bp) > 0) {
1023 uint32_t flags = ARC_WAIT;
1024 int i;
1025 blkptr_t *cbp;
1026 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
1027 arc_buf_t *buf;
1028 uint64_t fill = 0;
1029
1030 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf,
1031 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
1032 if (err)
1033 return (err);
1034 ASSERT(buf->b_data);
1035
1036 /* recursively visit blocks below this */
1037 cbp = buf->b_data;
1038 for (i = 0; i < epb; i++, cbp++) {
1039 zbookmark_t czb;
1040
1041 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
1042 zb->zb_level - 1,
1043 zb->zb_blkid * epb + i);
1044 err = visit_indirect(spa, dnp, cbp, &czb);
1045 if (err)
1046 break;
1047 fill += cbp->blk_fill;
1048 }
1049 if (!err)
1050 ASSERT3U(fill, ==, bp->blk_fill);
1051 (void) arc_buf_remove_ref(buf, &buf);
1052 }
1053
1054 return (err);
1055 }
1056
1057 /*ARGSUSED*/
1058 static void
1059 dump_indirect(dnode_t *dn)
1060 {
1061 dnode_phys_t *dnp = dn->dn_phys;
1062 int j;
1063 zbookmark_t czb;
1064
1065 (void) printf("Indirect blocks:\n");
1066
1067 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
1068 dn->dn_object, dnp->dn_nlevels - 1, 0);
1069 for (j = 0; j < dnp->dn_nblkptr; j++) {
1070 czb.zb_blkid = j;
1071 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
1072 &dnp->dn_blkptr[j], &czb);
1073 }
1074
1075 (void) printf("\n");
1076 }
1077
1078 /*ARGSUSED*/
1079 static void
1080 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1081 {
1082 dsl_dir_phys_t *dd = data;
1083 time_t crtime;
1084 char nice[32];
1085
1086 if (dd == NULL)
1087 return;
1088
1089 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1090
1091 crtime = dd->dd_creation_time;
1092 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1093 (void) printf("\t\thead_dataset_obj = %llu\n",
1094 (u_longlong_t)dd->dd_head_dataset_obj);
1095 (void) printf("\t\tparent_dir_obj = %llu\n",
1096 (u_longlong_t)dd->dd_parent_obj);
1097 (void) printf("\t\torigin_obj = %llu\n",
1098 (u_longlong_t)dd->dd_origin_obj);
1099 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1100 (u_longlong_t)dd->dd_child_dir_zapobj);
1101 zdb_nicenum(dd->dd_used_bytes, nice);
1102 (void) printf("\t\tused_bytes = %s\n", nice);
1103 zdb_nicenum(dd->dd_compressed_bytes, nice);
1104 (void) printf("\t\tcompressed_bytes = %s\n", nice);
1105 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
1106 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
1107 zdb_nicenum(dd->dd_quota, nice);
1108 (void) printf("\t\tquota = %s\n", nice);
1109 zdb_nicenum(dd->dd_reserved, nice);
1110 (void) printf("\t\treserved = %s\n", nice);
1111 (void) printf("\t\tprops_zapobj = %llu\n",
1112 (u_longlong_t)dd->dd_props_zapobj);
1113 (void) printf("\t\tdeleg_zapobj = %llu\n",
1114 (u_longlong_t)dd->dd_deleg_zapobj);
1115 (void) printf("\t\tflags = %llx\n",
1116 (u_longlong_t)dd->dd_flags);
1117
1118 #define DO(which) \
1119 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1120 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1121 DO(HEAD);
1122 DO(SNAP);
1123 DO(CHILD);
1124 DO(CHILD_RSRV);
1125 DO(REFRSRV);
1126 #undef DO
1127 }
1128
1129 /*ARGSUSED*/
1130 static void
1131 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1132 {
1133 dsl_dataset_phys_t *ds = data;
1134 time_t crtime;
1135 char used[32], compressed[32], uncompressed[32], unique[32];
1136 char blkbuf[BP_SPRINTF_LEN];
1137
1138 if (ds == NULL)
1139 return;
1140
1141 ASSERT(size == sizeof (*ds));
1142 crtime = ds->ds_creation_time;
1143 zdb_nicenum(ds->ds_referenced_bytes, used);
1144 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1145 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1146 zdb_nicenum(ds->ds_unique_bytes, unique);
1147 sprintf_blkptr(blkbuf, &ds->ds_bp);
1148
1149 (void) printf("\t\tdir_obj = %llu\n",
1150 (u_longlong_t)ds->ds_dir_obj);
1151 (void) printf("\t\tprev_snap_obj = %llu\n",
1152 (u_longlong_t)ds->ds_prev_snap_obj);
1153 (void) printf("\t\tprev_snap_txg = %llu\n",
1154 (u_longlong_t)ds->ds_prev_snap_txg);
1155 (void) printf("\t\tnext_snap_obj = %llu\n",
1156 (u_longlong_t)ds->ds_next_snap_obj);
1157 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1158 (u_longlong_t)ds->ds_snapnames_zapobj);
1159 (void) printf("\t\tnum_children = %llu\n",
1160 (u_longlong_t)ds->ds_num_children);
1161 (void) printf("\t\tuserrefs_obj = %llu\n",
1162 (u_longlong_t)ds->ds_userrefs_obj);
1163 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1164 (void) printf("\t\tcreation_txg = %llu\n",
1165 (u_longlong_t)ds->ds_creation_txg);
1166 (void) printf("\t\tdeadlist_obj = %llu\n",
1167 (u_longlong_t)ds->ds_deadlist_obj);
1168 (void) printf("\t\tused_bytes = %s\n", used);
1169 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1170 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1171 (void) printf("\t\tunique = %s\n", unique);
1172 (void) printf("\t\tfsid_guid = %llu\n",
1173 (u_longlong_t)ds->ds_fsid_guid);
1174 (void) printf("\t\tguid = %llu\n",
1175 (u_longlong_t)ds->ds_guid);
1176 (void) printf("\t\tflags = %llx\n",
1177 (u_longlong_t)ds->ds_flags);
1178 (void) printf("\t\tnext_clones_obj = %llu\n",
1179 (u_longlong_t)ds->ds_next_clones_obj);
1180 (void) printf("\t\tprops_obj = %llu\n",
1181 (u_longlong_t)ds->ds_props_obj);
1182 (void) printf("\t\tbp = %s\n", blkbuf);
1183 }
1184
1185 /* ARGSUSED */
1186 static int
1187 dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1188 {
1189 char blkbuf[BP_SPRINTF_LEN];
1190
1191 if (bp->blk_birth != 0) {
1192 sprintf_blkptr(blkbuf, bp);
1193 (void) printf("\t%s\n", blkbuf);
1194 }
1195 return (0);
1196 }
1197
1198 static void
1199 dump_bptree(objset_t *os, uint64_t obj, char *name)
1200 {
1201 char bytes[32];
1202 bptree_phys_t *bt;
1203 dmu_buf_t *db;
1204
1205 if (dump_opt['d'] < 3)
1206 return;
1207
1208 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
1209 bt = db->db_data;
1210 zdb_nicenum(bt->bt_bytes, bytes);
1211 (void) printf("\n %s: %llu datasets, %s\n",
1212 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
1213 dmu_buf_rele(db, FTAG);
1214
1215 if (dump_opt['d'] < 5)
1216 return;
1217
1218 (void) printf("\n");
1219
1220 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
1221 }
1222
1223 /* ARGSUSED */
1224 static int
1225 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1226 {
1227 char blkbuf[BP_SPRINTF_LEN];
1228
1229 ASSERT(bp->blk_birth != 0);
1230 sprintf_blkptr_compact(blkbuf, bp);
1231 (void) printf("\t%s\n", blkbuf);
1232 return (0);
1233 }
1234
1235 static void
1236 dump_bpobj(bpobj_t *bpo, char *name, int indent)
1237 {
1238 char bytes[32];
1239 char comp[32];
1240 char uncomp[32];
1241 uint64_t i;
1242
1243 if (dump_opt['d'] < 3)
1244 return;
1245
1246 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
1247 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
1248 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1249 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
1250 (void) printf(" %*s: object %llu, %llu local blkptrs, "
1251 "%llu subobjs, %s (%s/%s comp)\n",
1252 indent * 8, name,
1253 (u_longlong_t)bpo->bpo_object,
1254 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1255 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1256 bytes, comp, uncomp);
1257
1258 for (i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
1259 uint64_t subobj;
1260 bpobj_t subbpo;
1261 int error;
1262 VERIFY0(dmu_read(bpo->bpo_os,
1263 bpo->bpo_phys->bpo_subobjs,
1264 i * sizeof (subobj), sizeof (subobj), &subobj, 0));
1265 error = bpobj_open(&subbpo, bpo->bpo_os, subobj);
1266 if (error != 0) {
1267 (void) printf("ERROR %u while trying to open "
1268 "subobj id %llu\n",
1269 error, (u_longlong_t)subobj);
1270 continue;
1271 }
1272 dump_bpobj(&subbpo, "subobj", indent + 1);
1273 }
1274 } else {
1275 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n",
1276 indent * 8, name,
1277 (u_longlong_t)bpo->bpo_object,
1278 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1279 bytes);
1280 }
1281
1282 if (dump_opt['d'] < 5)
1283 return;
1284
1285
1286 if (indent == 0) {
1287 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1288 (void) printf("\n");
1289 }
1290 }
1291
1292 static void
1293 dump_deadlist(dsl_deadlist_t *dl)
1294 {
1295 dsl_deadlist_entry_t *dle;
1296 uint64_t unused;
1297 char bytes[32];
1298 char comp[32];
1299 char uncomp[32];
1300
1301 if (dump_opt['d'] < 3)
1302 return;
1303
1304 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1305 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1306 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1307 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1308 bytes, comp, uncomp);
1309
1310 if (dump_opt['d'] < 4)
1311 return;
1312
1313 (void) printf("\n");
1314
1315 /* force the tree to be loaded */
1316 dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused);
1317
1318 for (dle = avl_first(&dl->dl_tree); dle;
1319 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1320 if (dump_opt['d'] >= 5) {
1321 char buf[128];
1322 (void) snprintf(buf, sizeof (buf), "mintxg %llu -> obj %llu",
1323 (longlong_t)dle->dle_mintxg,
1324 (longlong_t)dle->dle_bpobj.bpo_object);
1325
1326 dump_bpobj(&dle->dle_bpobj, buf, 0);
1327 } else {
1328 (void) printf("mintxg %llu -> obj %llu\n",
1329 (longlong_t)dle->dle_mintxg,
1330 (longlong_t)dle->dle_bpobj.bpo_object);
1331
1332 }
1333 }
1334 }
1335
1336 static avl_tree_t idx_tree;
1337 static avl_tree_t domain_tree;
1338 static boolean_t fuid_table_loaded;
1339 static boolean_t sa_loaded;
1340 sa_attr_type_t *sa_attr_table;
1341
1342 static void
1343 fuid_table_destroy(void)
1344 {
1345 if (fuid_table_loaded) {
1346 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1347 fuid_table_loaded = B_FALSE;
1348 }
1349 }
1350
1351 /*
1352 * print uid or gid information.
1353 * For normal POSIX id just the id is printed in decimal format.
1354 * For CIFS files with FUID the fuid is printed in hex followed by
1355 * the domain-rid string.
1356 */
1357 static void
1358 print_idstr(uint64_t id, const char *id_type)
1359 {
1360 if (FUID_INDEX(id)) {
1361 char *domain;
1362
1363 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1364 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1365 (u_longlong_t)id, domain, (int)FUID_RID(id));
1366 } else {
1367 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1368 }
1369
1370 }
1371
1372 static void
1373 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
1374 {
1375 uint32_t uid_idx, gid_idx;
1376
1377 uid_idx = FUID_INDEX(uid);
1378 gid_idx = FUID_INDEX(gid);
1379
1380 /* Load domain table, if not already loaded */
1381 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1382 uint64_t fuid_obj;
1383
1384 /* first find the fuid object. It lives in the master node */
1385 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1386 8, 1, &fuid_obj) == 0);
1387 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1388 (void) zfs_fuid_table_load(os, fuid_obj,
1389 &idx_tree, &domain_tree);
1390 fuid_table_loaded = B_TRUE;
1391 }
1392
1393 print_idstr(uid, "uid");
1394 print_idstr(gid, "gid");
1395 }
1396
1397 static void
1398 dump_znode_sa_xattr(sa_handle_t *hdl)
1399 {
1400 nvlist_t *sa_xattr;
1401 nvpair_t *elem = NULL;
1402 int sa_xattr_size = 0;
1403 int sa_xattr_entries = 0;
1404 int error;
1405 char *sa_xattr_packed;
1406
1407 error = sa_size(hdl, sa_attr_table[ZPL_DXATTR], &sa_xattr_size);
1408 if (error || sa_xattr_size == 0)
1409 return;
1410
1411 sa_xattr_packed = malloc(sa_xattr_size);
1412 if (sa_xattr_packed == NULL)
1413 return;
1414
1415 error = sa_lookup(hdl, sa_attr_table[ZPL_DXATTR],
1416 sa_xattr_packed, sa_xattr_size);
1417 if (error) {
1418 free(sa_xattr_packed);
1419 return;
1420 }
1421
1422 error = nvlist_unpack(sa_xattr_packed, sa_xattr_size, &sa_xattr, 0);
1423 if (error) {
1424 free(sa_xattr_packed);
1425 return;
1426 }
1427
1428 while ((elem = nvlist_next_nvpair(sa_xattr, elem)) != NULL)
1429 sa_xattr_entries++;
1430
1431 (void) printf("\tSA xattrs: %d bytes, %d entries\n\n",
1432 sa_xattr_size, sa_xattr_entries);
1433 while ((elem = nvlist_next_nvpair(sa_xattr, elem)) != NULL) {
1434 uchar_t *value;
1435 uint_t cnt, idx;
1436
1437 (void) printf("\t\t%s = ", nvpair_name(elem));
1438 nvpair_value_byte_array(elem, &value, &cnt);
1439 for (idx = 0 ; idx < cnt ; ++idx) {
1440 if (isprint(value[idx]))
1441 (void) putchar(value[idx]);
1442 else
1443 (void) printf("\\%3.3o", value[idx]);
1444 }
1445 (void) putchar('\n');
1446 }
1447
1448 nvlist_free(sa_xattr);
1449 free(sa_xattr_packed);
1450 }
1451
1452 /*ARGSUSED*/
1453 static void
1454 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1455 {
1456 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
1457 sa_handle_t *hdl;
1458 uint64_t xattr, rdev, gen;
1459 uint64_t uid, gid, mode, fsize, parent, links;
1460 uint64_t pflags;
1461 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1462 time_t z_crtime, z_atime, z_mtime, z_ctime;
1463 sa_bulk_attr_t bulk[12];
1464 int idx = 0;
1465 int error;
1466
1467 if (!sa_loaded) {
1468 uint64_t sa_attrs = 0;
1469 uint64_t version;
1470
1471 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1472 8, 1, &version) == 0);
1473 if (version >= ZPL_VERSION_SA) {
1474 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1475 8, 1, &sa_attrs) == 0);
1476 }
1477 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1478 ZPL_END, &sa_attr_table)) != 0) {
1479 (void) printf("sa_setup failed errno %d, can't "
1480 "display znode contents\n", error);
1481 return;
1482 }
1483 sa_loaded = B_TRUE;
1484 }
1485
1486 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1487 (void) printf("Failed to get handle for SA znode\n");
1488 return;
1489 }
1490
1491 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1492 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1493 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1494 &links, 8);
1495 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1496 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1497 &mode, 8);
1498 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1499 NULL, &parent, 8);
1500 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1501 &fsize, 8);
1502 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1503 acctm, 16);
1504 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1505 modtm, 16);
1506 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1507 crtm, 16);
1508 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1509 chgtm, 16);
1510 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1511 &pflags, 8);
1512
1513 if (sa_bulk_lookup(hdl, bulk, idx)) {
1514 (void) sa_handle_destroy(hdl);
1515 return;
1516 }
1517
1518 error = zfs_obj_to_path(os, object, path, sizeof (path));
1519 if (error != 0) {
1520 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1521 (u_longlong_t)object);
1522 }
1523 if (dump_opt['d'] < 3) {
1524 (void) printf("\t%s\n", path);
1525 (void) sa_handle_destroy(hdl);
1526 return;
1527 }
1528
1529 z_crtime = (time_t)crtm[0];
1530 z_atime = (time_t)acctm[0];
1531 z_mtime = (time_t)modtm[0];
1532 z_ctime = (time_t)chgtm[0];
1533
1534 (void) printf("\tpath %s\n", path);
1535 dump_uidgid(os, uid, gid);
1536 (void) printf("\tatime %s", ctime(&z_atime));
1537 (void) printf("\tmtime %s", ctime(&z_mtime));
1538 (void) printf("\tctime %s", ctime(&z_ctime));
1539 (void) printf("\tcrtime %s", ctime(&z_crtime));
1540 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1541 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1542 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1543 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1544 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1545 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1546 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1547 sizeof (uint64_t)) == 0)
1548 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1549 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1550 sizeof (uint64_t)) == 0)
1551 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1552 dump_znode_sa_xattr(hdl);
1553 sa_handle_destroy(hdl);
1554 }
1555
1556 /*ARGSUSED*/
1557 static void
1558 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1559 {
1560 }
1561
1562 /*ARGSUSED*/
1563 static void
1564 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1565 {
1566 }
1567
1568 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1569 dump_none, /* unallocated */
1570 dump_zap, /* object directory */
1571 dump_uint64, /* object array */
1572 dump_none, /* packed nvlist */
1573 dump_packed_nvlist, /* packed nvlist size */
1574 dump_none, /* bplist */
1575 dump_none, /* bplist header */
1576 dump_none, /* SPA space map header */
1577 dump_none, /* SPA space map */
1578 dump_none, /* ZIL intent log */
1579 dump_dnode, /* DMU dnode */
1580 dump_dmu_objset, /* DMU objset */
1581 dump_dsl_dir, /* DSL directory */
1582 dump_zap, /* DSL directory child map */
1583 dump_zap, /* DSL dataset snap map */
1584 dump_zap, /* DSL props */
1585 dump_dsl_dataset, /* DSL dataset */
1586 dump_znode, /* ZFS znode */
1587 dump_acl, /* ZFS V0 ACL */
1588 dump_uint8, /* ZFS plain file */
1589 dump_zpldir, /* ZFS directory */
1590 dump_zap, /* ZFS master node */
1591 dump_zap, /* ZFS delete queue */
1592 dump_uint8, /* zvol object */
1593 dump_zap, /* zvol prop */
1594 dump_uint8, /* other uint8[] */
1595 dump_uint64, /* other uint64[] */
1596 dump_zap, /* other ZAP */
1597 dump_zap, /* persistent error log */
1598 dump_uint8, /* SPA history */
1599 dump_history_offsets, /* SPA history offsets */
1600 dump_zap, /* Pool properties */
1601 dump_zap, /* DSL permissions */
1602 dump_acl, /* ZFS ACL */
1603 dump_uint8, /* ZFS SYSACL */
1604 dump_none, /* FUID nvlist */
1605 dump_packed_nvlist, /* FUID nvlist size */
1606 dump_zap, /* DSL dataset next clones */
1607 dump_zap, /* DSL scrub queue */
1608 dump_zap, /* ZFS user/group used */
1609 dump_zap, /* ZFS user/group quota */
1610 dump_zap, /* snapshot refcount tags */
1611 dump_ddt_zap, /* DDT ZAP object */
1612 dump_zap, /* DDT statistics */
1613 dump_znode, /* SA object */
1614 dump_zap, /* SA Master Node */
1615 dump_sa_attrs, /* SA attribute registration */
1616 dump_sa_layouts, /* SA attribute layouts */
1617 dump_zap, /* DSL scrub translations */
1618 dump_none, /* fake dedup BP */
1619 dump_zap, /* deadlist */
1620 dump_none, /* deadlist hdr */
1621 dump_zap, /* dsl clones */
1622 dump_none, /* bpobj subobjs */
1623 dump_unknown, /* Unknown type, must be last */
1624 };
1625
1626 static void
1627 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1628 {
1629 dmu_buf_t *db = NULL;
1630 dmu_object_info_t doi;
1631 dnode_t *dn;
1632 void *bonus = NULL;
1633 size_t bsize = 0;
1634 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1635 char bonus_size[32];
1636 char aux[50];
1637 int error;
1638
1639 if (*print_header) {
1640 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1641 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1642 "%full", "type");
1643 *print_header = 0;
1644 }
1645
1646 if (object == 0) {
1647 dn = DMU_META_DNODE(os);
1648 } else {
1649 error = dmu_bonus_hold(os, object, FTAG, &db);
1650 if (error)
1651 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1652 object, error);
1653 bonus = db->db_data;
1654 bsize = db->db_size;
1655 dn = DB_DNODE((dmu_buf_impl_t *)db);
1656 }
1657 dmu_object_info_from_dnode(dn, &doi);
1658
1659 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1660 zdb_nicenum(doi.doi_data_block_size, dblk);
1661 zdb_nicenum(doi.doi_max_offset, lsize);
1662 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1663 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1664 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1665 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1666 doi.doi_max_offset);
1667
1668 aux[0] = '\0';
1669
1670 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1671 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1672 ZDB_CHECKSUM_NAME(doi.doi_checksum));
1673 }
1674
1675 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1676 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1677 ZDB_COMPRESS_NAME(doi.doi_compress));
1678 }
1679
1680 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1681 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1682 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
1683
1684 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1685 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1686 "", "", "", "", "", bonus_size, "bonus",
1687 ZDB_OT_NAME(doi.doi_bonus_type));
1688 }
1689
1690 if (verbosity >= 4) {
1691 (void) printf("\tdnode flags: %s%s%s\n",
1692 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1693 "USED_BYTES " : "",
1694 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
1695 "USERUSED_ACCOUNTED " : "",
1696 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1697 "SPILL_BLKPTR" : "");
1698 (void) printf("\tdnode maxblkid: %llu\n",
1699 (longlong_t)dn->dn_phys->dn_maxblkid);
1700
1701 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1702 bonus, bsize);
1703 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
1704 *print_header = 1;
1705 }
1706
1707 if (verbosity >= 5)
1708 dump_indirect(dn);
1709
1710 if (verbosity >= 5) {
1711 /*
1712 * Report the list of segments that comprise the object.
1713 */
1714 uint64_t start = 0;
1715 uint64_t end;
1716 uint64_t blkfill = 1;
1717 int minlvl = 1;
1718
1719 if (dn->dn_type == DMU_OT_DNODE) {
1720 minlvl = 0;
1721 blkfill = DNODES_PER_BLOCK;
1722 }
1723
1724 for (;;) {
1725 char segsize[32];
1726 error = dnode_next_offset(dn,
1727 0, &start, minlvl, blkfill, 0);
1728 if (error)
1729 break;
1730 end = start;
1731 error = dnode_next_offset(dn,
1732 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1733 zdb_nicenum(end - start, segsize);
1734 (void) printf("\t\tsegment [%016llx, %016llx)"
1735 " size %5s\n", (u_longlong_t)start,
1736 (u_longlong_t)end, segsize);
1737 if (error)
1738 break;
1739 start = end;
1740 }
1741 }
1742
1743 if (db != NULL)
1744 dmu_buf_rele(db, FTAG);
1745 }
1746
1747 static char *objset_types[DMU_OST_NUMTYPES] = {
1748 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1749
1750 static void
1751 dump_dir(objset_t *os)
1752 {
1753 dmu_objset_stats_t dds;
1754 uint64_t object, object_count;
1755 uint64_t refdbytes, usedobjs, scratch;
1756 char numbuf[32];
1757 char blkbuf[BP_SPRINTF_LEN + 20];
1758 char osname[MAXNAMELEN];
1759 char *type = "UNKNOWN";
1760 int verbosity = dump_opt['d'];
1761 int print_header = 1;
1762 int i, error;
1763
1764 dsl_pool_config_enter(dmu_objset_pool(os), FTAG);
1765 dmu_objset_fast_stat(os, &dds);
1766 dsl_pool_config_exit(dmu_objset_pool(os), FTAG);
1767
1768 if (dds.dds_type < DMU_OST_NUMTYPES)
1769 type = objset_types[dds.dds_type];
1770
1771 if (dds.dds_type == DMU_OST_META) {
1772 dds.dds_creation_txg = TXG_INITIAL;
1773 usedobjs = os->os_rootbp->blk_fill;
1774 refdbytes = os->os_spa->spa_dsl_pool->
1775 dp_mos_dir->dd_phys->dd_used_bytes;
1776 } else {
1777 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1778 }
1779
1780 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
1781
1782 zdb_nicenum(refdbytes, numbuf);
1783
1784 if (verbosity >= 4) {
1785 (void) sprintf(blkbuf, ", rootbp ");
1786 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
1787 } else {
1788 blkbuf[0] = '\0';
1789 }
1790
1791 dmu_objset_name(os, osname);
1792
1793 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1794 "%s, %llu objects%s\n",
1795 osname, type, (u_longlong_t)dmu_objset_id(os),
1796 (u_longlong_t)dds.dds_creation_txg,
1797 numbuf, (u_longlong_t)usedobjs, blkbuf);
1798
1799 if (zopt_objects != 0) {
1800 for (i = 0; i < zopt_objects; i++)
1801 dump_object(os, zopt_object[i], verbosity,
1802 &print_header);
1803 (void) printf("\n");
1804 return;
1805 }
1806
1807 if (dump_opt['i'] != 0 || verbosity >= 2)
1808 dump_intent_log(dmu_objset_zil(os));
1809
1810 if (dmu_objset_ds(os) != NULL)
1811 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1812
1813 if (verbosity < 2)
1814 return;
1815
1816 if (os->os_rootbp->blk_birth == 0)
1817 return;
1818
1819 dump_object(os, 0, verbosity, &print_header);
1820 object_count = 0;
1821 if (DMU_USERUSED_DNODE(os) != NULL &&
1822 DMU_USERUSED_DNODE(os)->dn_type != 0) {
1823 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1824 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1825 }
1826
1827 object = 0;
1828 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1829 dump_object(os, object, verbosity, &print_header);
1830 object_count++;
1831 }
1832
1833 ASSERT3U(object_count, ==, usedobjs);
1834
1835 (void) printf("\n");
1836
1837 if (error != ESRCH) {
1838 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1839 abort();
1840 }
1841 }
1842
1843 static void
1844 dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
1845 {
1846 time_t timestamp = ub->ub_timestamp;
1847
1848 (void) printf("%s", header ? header : "");
1849 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1850 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1851 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1852 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1853 (void) printf("\ttimestamp = %llu UTC = %s",
1854 (u_longlong_t)ub->ub_timestamp, asctime(localtime(&timestamp)));
1855 if (dump_opt['u'] >= 3) {
1856 char blkbuf[BP_SPRINTF_LEN];
1857 sprintf_blkptr(blkbuf, &ub->ub_rootbp);
1858 (void) printf("\trootbp = %s\n", blkbuf);
1859 }
1860 (void) printf("%s", footer ? footer : "");
1861 }
1862
1863 static void
1864 dump_config(spa_t *spa)
1865 {
1866 dmu_buf_t *db;
1867 size_t nvsize = 0;
1868 int error = 0;
1869
1870
1871 error = dmu_bonus_hold(spa->spa_meta_objset,
1872 spa->spa_config_object, FTAG, &db);
1873
1874 if (error == 0) {
1875 nvsize = *(uint64_t *)db->db_data;
1876 dmu_buf_rele(db, FTAG);
1877
1878 (void) printf("\nMOS Configuration:\n");
1879 dump_packed_nvlist(spa->spa_meta_objset,
1880 spa->spa_config_object, (void *)&nvsize, 1);
1881 } else {
1882 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1883 (u_longlong_t)spa->spa_config_object, error);
1884 }
1885 }
1886
1887 static void
1888 dump_cachefile(const char *cachefile)
1889 {
1890 int fd;
1891 struct stat64 statbuf;
1892 char *buf;
1893 nvlist_t *config;
1894
1895 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1896 (void) printf("cannot open '%s': %s\n", cachefile,
1897 strerror(errno));
1898 exit(1);
1899 }
1900
1901 if (fstat64(fd, &statbuf) != 0) {
1902 (void) printf("failed to stat '%s': %s\n", cachefile,
1903 strerror(errno));
1904 exit(1);
1905 }
1906
1907 if ((buf = malloc(statbuf.st_size)) == NULL) {
1908 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1909 (u_longlong_t)statbuf.st_size);
1910 exit(1);
1911 }
1912
1913 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1914 (void) fprintf(stderr, "failed to read %llu bytes\n",
1915 (u_longlong_t)statbuf.st_size);
1916 exit(1);
1917 }
1918
1919 (void) close(fd);
1920
1921 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1922 (void) fprintf(stderr, "failed to unpack nvlist\n");
1923 exit(1);
1924 }
1925
1926 free(buf);
1927
1928 dump_nvlist(config, 0);
1929
1930 nvlist_free(config);
1931 }
1932
1933 #define ZDB_MAX_UB_HEADER_SIZE 32
1934
1935 static void
1936 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
1937 {
1938 vdev_t vd;
1939 vdev_t *vdp = &vd;
1940 char header[ZDB_MAX_UB_HEADER_SIZE];
1941 int i;
1942
1943 vd.vdev_ashift = ashift;
1944 vdp->vdev_top = vdp;
1945
1946 for (i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
1947 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
1948 uberblock_t *ub = (void *)((char *)lbl + uoff);
1949
1950 if (uberblock_verify(ub))
1951 continue;
1952 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
1953 "Uberblock[%d]\n", i);
1954 dump_uberblock(ub, header, "");
1955 }
1956 }
1957
1958 static void
1959 dump_label(const char *dev)
1960 {
1961 int fd;
1962 vdev_label_t label;
1963 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
1964 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1965 struct stat64 statbuf;
1966 uint64_t psize, ashift;
1967 int len = strlen(dev) + 1;
1968 int l;
1969
1970 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
1971 len++;
1972 path = malloc(len);
1973 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
1974 } else {
1975 path = strdup(dev);
1976 }
1977
1978 if ((fd = open64(path, O_RDONLY)) < 0) {
1979 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
1980 free(path);
1981 exit(1);
1982 }
1983
1984 if (fstat64_blk(fd, &statbuf) != 0) {
1985 (void) printf("failed to stat '%s': %s\n", path,
1986 strerror(errno));
1987 free(path);
1988 (void) close(fd);
1989 exit(1);
1990 }
1991
1992 psize = statbuf.st_size;
1993 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1994
1995 for (l = 0; l < VDEV_LABELS; l++) {
1996 nvlist_t *config = NULL;
1997
1998 (void) printf("--------------------------------------------\n");
1999 (void) printf("LABEL %d\n", l);
2000 (void) printf("--------------------------------------------\n");
2001
2002 if (pread64(fd, &label, sizeof (label),
2003 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
2004 (void) printf("failed to read label %d\n", l);
2005 continue;
2006 }
2007
2008 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
2009 (void) printf("failed to unpack label %d\n", l);
2010 ashift = SPA_MINBLOCKSHIFT;
2011 } else {
2012 nvlist_t *vdev_tree = NULL;
2013
2014 dump_nvlist(config, 4);
2015 if ((nvlist_lookup_nvlist(config,
2016 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
2017 (nvlist_lookup_uint64(vdev_tree,
2018 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
2019 ashift = SPA_MINBLOCKSHIFT;
2020 nvlist_free(config);
2021 }
2022 if (dump_opt['u'])
2023 dump_label_uberblocks(&label, ashift);
2024 }
2025
2026 free(path);
2027 (void) close(fd);
2028 }
2029
2030 /*ARGSUSED*/
2031 static int
2032 dump_one_dir(const char *dsname, void *arg)
2033 {
2034 int error;
2035 objset_t *os;
2036
2037 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
2038 if (error) {
2039 (void) printf("Could not open %s, error %d\n", dsname, error);
2040 return (0);
2041 }
2042 dump_dir(os);
2043 dmu_objset_disown(os, FTAG);
2044 fuid_table_destroy();
2045 sa_loaded = B_FALSE;
2046 return (0);
2047 }
2048
2049 /*
2050 * Block statistics.
2051 */
2052 typedef struct zdb_blkstats {
2053 uint64_t zb_asize;
2054 uint64_t zb_lsize;
2055 uint64_t zb_psize;
2056 uint64_t zb_count;
2057 } zdb_blkstats_t;
2058
2059 /*
2060 * Extended object types to report deferred frees and dedup auto-ditto blocks.
2061 */
2062 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
2063 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
2064 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
2065 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
2066
2067 static char *zdb_ot_extname[] = {
2068 "deferred free",
2069 "dedup ditto",
2070 "other",
2071 "Total",
2072 };
2073
2074 #define ZB_TOTAL DN_MAX_LEVELS
2075
2076 typedef struct zdb_cb {
2077 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
2078 uint64_t zcb_dedup_asize;
2079 uint64_t zcb_dedup_blocks;
2080 uint64_t zcb_errors[256];
2081 int zcb_readfails;
2082 int zcb_haderrors;
2083 spa_t *zcb_spa;
2084 } zdb_cb_t;
2085
2086 static void
2087 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
2088 dmu_object_type_t type)
2089 {
2090 uint64_t refcnt = 0;
2091 int i;
2092
2093 ASSERT(type < ZDB_OT_TOTAL);
2094
2095 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
2096 return;
2097
2098 for (i = 0; i < 4; i++) {
2099 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
2100 int t = (i & 1) ? type : ZDB_OT_TOTAL;
2101 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
2102
2103 zb->zb_asize += BP_GET_ASIZE(bp);
2104 zb->zb_lsize += BP_GET_LSIZE(bp);
2105 zb->zb_psize += BP_GET_PSIZE(bp);
2106 zb->zb_count++;
2107 }
2108
2109 if (dump_opt['L'])
2110 return;
2111
2112 if (BP_GET_DEDUP(bp)) {
2113 ddt_t *ddt;
2114 ddt_entry_t *dde;
2115
2116 ddt = ddt_select(zcb->zcb_spa, bp);
2117 ddt_enter(ddt);
2118 dde = ddt_lookup(ddt, bp, B_FALSE);
2119
2120 if (dde == NULL) {
2121 refcnt = 0;
2122 } else {
2123 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
2124 ddt_phys_decref(ddp);
2125 refcnt = ddp->ddp_refcnt;
2126 if (ddt_phys_total_refcnt(dde) == 0)
2127 ddt_remove(ddt, dde);
2128 }
2129 ddt_exit(ddt);
2130 }
2131
2132 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
2133 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
2134 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
2135 }
2136
2137 static void
2138 zdb_blkptr_done(zio_t *zio)
2139 {
2140 spa_t *spa = zio->io_spa;
2141 blkptr_t *bp = zio->io_bp;
2142 int ioerr = zio->io_error;
2143 zdb_cb_t *zcb = zio->io_private;
2144 zbookmark_t *zb = &zio->io_bookmark;
2145
2146 zio_data_buf_free(zio->io_data, zio->io_size);
2147
2148 mutex_enter(&spa->spa_scrub_lock);
2149 spa->spa_scrub_inflight--;
2150 cv_broadcast(&spa->spa_scrub_io_cv);
2151
2152 if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) {
2153 char blkbuf[BP_SPRINTF_LEN];
2154
2155 zcb->zcb_haderrors = 1;
2156 zcb->zcb_errors[ioerr]++;
2157
2158 if (dump_opt['b'] >= 2)
2159 sprintf_blkptr(blkbuf, bp);
2160 else
2161 blkbuf[0] = '\0';
2162
2163 (void) printf("zdb_blkptr_cb: "
2164 "Got error %d reading "
2165 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2166 ioerr,
2167 (u_longlong_t)zb->zb_objset,
2168 (u_longlong_t)zb->zb_object,
2169 (u_longlong_t)zb->zb_level,
2170 (u_longlong_t)zb->zb_blkid,
2171 blkbuf);
2172 }
2173 mutex_exit(&spa->spa_scrub_lock);
2174 }
2175
2176 static int
2177 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2178 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2179 {
2180 zdb_cb_t *zcb = arg;
2181 char blkbuf[BP_SPRINTF_LEN];
2182 dmu_object_type_t type;
2183 boolean_t is_metadata;
2184
2185 if (bp == NULL)
2186 return (0);
2187
2188 type = BP_GET_TYPE(bp);
2189
2190 zdb_count_block(zcb, zilog, bp,
2191 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
2192
2193 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
2194
2195 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
2196 size_t size = BP_GET_PSIZE(bp);
2197 void *data = zio_data_buf_alloc(size);
2198 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
2199
2200 /* If it's an intent log block, failure is expected. */
2201 if (zb->zb_level == ZB_ZIL_LEVEL)
2202 flags |= ZIO_FLAG_SPECULATIVE;
2203
2204 mutex_enter(&spa->spa_scrub_lock);
2205 while (spa->spa_scrub_inflight > max_inflight)
2206 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock);
2207 spa->spa_scrub_inflight++;
2208 mutex_exit(&spa->spa_scrub_lock);
2209
2210 zio_nowait(zio_read(NULL, spa, bp, data, size,
2211 zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb));
2212 }
2213
2214 zcb->zcb_readfails = 0;
2215
2216 if (dump_opt['b'] >= 4) {
2217 sprintf_blkptr(blkbuf, bp);
2218 (void) printf("objset %llu object %llu "
2219 "level %lld offset 0x%llx %s\n",
2220 (u_longlong_t)zb->zb_objset,
2221 (u_longlong_t)zb->zb_object,
2222 (longlong_t)zb->zb_level,
2223 (u_longlong_t)blkid2offset(dnp, bp, zb),
2224 blkbuf);
2225 }
2226
2227 return (0);
2228 }
2229
2230 static void
2231 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
2232 {
2233 vdev_t *vd = sm->sm_ppd;
2234
2235 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2236 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2237 }
2238
2239 /* ARGSUSED */
2240 static void
2241 zdb_space_map_load(space_map_t *sm)
2242 {
2243 }
2244
2245 static void
2246 zdb_space_map_unload(space_map_t *sm)
2247 {
2248 space_map_vacate(sm, zdb_leak, sm);
2249 }
2250
2251 /* ARGSUSED */
2252 static void
2253 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
2254 {
2255 }
2256
2257 static space_map_ops_t zdb_space_map_ops = {
2258 zdb_space_map_load,
2259 zdb_space_map_unload,
2260 NULL, /* alloc */
2261 zdb_space_map_claim,
2262 NULL, /* free */
2263 NULL /* maxsize */
2264 };
2265
2266 static void
2267 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2268 {
2269 ddt_bookmark_t ddb = { 0 };
2270 ddt_entry_t dde;
2271 int error;
2272 int p;
2273
2274 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2275 blkptr_t blk;
2276 ddt_phys_t *ddp = dde.dde_phys;
2277
2278 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2279 return;
2280
2281 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2282
2283 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
2284 if (ddp->ddp_phys_birth == 0)
2285 continue;
2286 ddt_bp_create(ddb.ddb_checksum,
2287 &dde.dde_key, ddp, &blk);
2288 if (p == DDT_PHYS_DITTO) {
2289 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2290 } else {
2291 zcb->zcb_dedup_asize +=
2292 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2293 zcb->zcb_dedup_blocks++;
2294 }
2295 }
2296 if (!dump_opt['L']) {
2297 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2298 ddt_enter(ddt);
2299 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2300 ddt_exit(ddt);
2301 }
2302 }
2303
2304 ASSERT(error == ENOENT);
2305 }
2306
2307 static void
2308 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2309 {
2310 zcb->zcb_spa = spa;
2311 int c, m;
2312
2313 if (!dump_opt['L']) {
2314 vdev_t *rvd = spa->spa_root_vdev;
2315 for (c = 0; c < rvd->vdev_children; c++) {
2316 vdev_t *vd = rvd->vdev_child[c];
2317 for (m = 0; m < vd->vdev_ms_count; m++) {
2318 metaslab_t *msp = vd->vdev_ms[m];
2319 mutex_enter(&msp->ms_lock);
2320 space_map_unload(msp->ms_map);
2321 VERIFY(space_map_load(msp->ms_map,
2322 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
2323 spa->spa_meta_objset) == 0);
2324 msp->ms_map->sm_ppd = vd;
2325 mutex_exit(&msp->ms_lock);
2326 }
2327 }
2328 }
2329
2330 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2331
2332 zdb_ddt_leak_init(spa, zcb);
2333
2334 spa_config_exit(spa, SCL_CONFIG, FTAG);
2335 }
2336
2337 static void
2338 zdb_leak_fini(spa_t *spa)
2339 {
2340 int c, m;
2341
2342 if (!dump_opt['L']) {
2343 vdev_t *rvd = spa->spa_root_vdev;
2344 for (c = 0; c < rvd->vdev_children; c++) {
2345 vdev_t *vd = rvd->vdev_child[c];
2346 for (m = 0; m < vd->vdev_ms_count; m++) {
2347 metaslab_t *msp = vd->vdev_ms[m];
2348 mutex_enter(&msp->ms_lock);
2349 space_map_unload(msp->ms_map);
2350 mutex_exit(&msp->ms_lock);
2351 }
2352 }
2353 }
2354 }
2355
2356 /* ARGSUSED */
2357 static int
2358 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2359 {
2360 zdb_cb_t *zcb = arg;
2361
2362 if (dump_opt['b'] >= 4) {
2363 char blkbuf[BP_SPRINTF_LEN];
2364 sprintf_blkptr(blkbuf, bp);
2365 (void) printf("[%s] %s\n",
2366 "deferred free", blkbuf);
2367 }
2368 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2369 return (0);
2370 }
2371
2372 static int
2373 dump_block_stats(spa_t *spa)
2374 {
2375 zdb_cb_t zcb;
2376 zdb_blkstats_t *zb, *tzb;
2377 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2378 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
2379 int leaks = 0;
2380 int e;
2381
2382 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
2383 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2384 (dump_opt['c'] == 1) ? "metadata " : "",
2385 dump_opt['c'] ? "checksums " : "",
2386 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2387 !dump_opt['L'] ? "nothing leaked " : "");
2388
2389 /*
2390 * Load all space maps as SM_ALLOC maps, then traverse the pool
2391 * claiming each block we discover. If the pool is perfectly
2392 * consistent, the space maps will be empty when we're done.
2393 * Anything left over is a leak; any block we can't claim (because
2394 * it's not part of any space map) is a double allocation,
2395 * reference to a freed block, or an unclaimed log block.
2396 */
2397 bzero(&zcb, sizeof(zdb_cb_t));
2398 zdb_leak_init(spa, &zcb);
2399
2400 /*
2401 * If there's a deferred-free bplist, process that first.
2402 */
2403 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
2404 count_block_cb, &zcb, NULL);
2405 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2406 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
2407 count_block_cb, &zcb, NULL);
2408 }
2409 if (spa_feature_is_active(spa,
2410 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
2411 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
2412 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
2413 &zcb, NULL));
2414 }
2415
2416 if (dump_opt['c'] > 1)
2417 flags |= TRAVERSE_PREFETCH_DATA;
2418
2419 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
2420
2421 /*
2422 * If we've traversed the data blocks then we need to wait for those
2423 * I/Os to complete. We leverage "The Godfather" zio to wait on
2424 * all async I/Os to complete.
2425 */
2426 if (dump_opt['c']) {
2427 (void) zio_wait(spa->spa_async_zio_root);
2428 spa->spa_async_zio_root = zio_root(spa, NULL, NULL,
2429 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE |
2430 ZIO_FLAG_GODFATHER);
2431 }
2432
2433 if (zcb.zcb_haderrors) {
2434 (void) printf("\nError counts:\n\n");
2435 (void) printf("\t%5s %s\n", "errno", "count");
2436 for (e = 0; e < 256; e++) {
2437 if (zcb.zcb_errors[e] != 0) {
2438 (void) printf("\t%5d %llu\n",
2439 e, (u_longlong_t)zcb.zcb_errors[e]);
2440 }
2441 }
2442 }
2443
2444 /*
2445 * Report any leaked segments.
2446 */
2447 zdb_leak_fini(spa);
2448
2449 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
2450
2451 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2452 norm_space = metaslab_class_get_space(spa_normal_class(spa));
2453
2454 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2455 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
2456
2457 if (total_found == total_alloc) {
2458 if (!dump_opt['L'])
2459 (void) printf("\n\tNo leaks (block sum matches space"
2460 " maps exactly)\n");
2461 } else {
2462 (void) printf("block traversal size %llu != alloc %llu "
2463 "(%s %lld)\n",
2464 (u_longlong_t)total_found,
2465 (u_longlong_t)total_alloc,
2466 (dump_opt['L']) ? "unreachable" : "leaked",
2467 (longlong_t)(total_alloc - total_found));
2468 leaks = 1;
2469 }
2470
2471 if (tzb->zb_count == 0)
2472 return (2);
2473
2474 (void) printf("\n");
2475 (void) printf("\tbp count: %10llu\n",
2476 (u_longlong_t)tzb->zb_count);
2477 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2478 (u_longlong_t)tzb->zb_lsize,
2479 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
2480 (void) printf("\tbp physical: %10llu avg:"
2481 " %6llu compression: %6.2f\n",
2482 (u_longlong_t)tzb->zb_psize,
2483 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2484 (double)tzb->zb_lsize / tzb->zb_psize);
2485 (void) printf("\tbp allocated: %10llu avg:"
2486 " %6llu compression: %6.2f\n",
2487 (u_longlong_t)tzb->zb_asize,
2488 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2489 (double)tzb->zb_lsize / tzb->zb_asize);
2490 (void) printf("\tbp deduped: %10llu ref>1:"
2491 " %6llu deduplication: %6.2f\n",
2492 (u_longlong_t)zcb.zcb_dedup_asize,
2493 (u_longlong_t)zcb.zcb_dedup_blocks,
2494 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2495 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2496 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
2497
2498 if (dump_opt['b'] >= 2) {
2499 int l, t, level;
2500 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2501 "\t avg\t comp\t%%Total\tType\n");
2502
2503 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2504 char csize[32], lsize[32], psize[32], asize[32];
2505 char avg[32];
2506 char *typename;
2507
2508 if (t < DMU_OT_NUMTYPES)
2509 typename = dmu_ot[t].ot_name;
2510 else
2511 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
2512
2513 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2514 (void) printf("%6s\t%5s\t%5s\t%5s"
2515 "\t%5s\t%5s\t%6s\t%s\n",
2516 "-",
2517 "-",
2518 "-",
2519 "-",
2520 "-",
2521 "-",
2522 "-",
2523 typename);
2524 continue;
2525 }
2526
2527 for (l = ZB_TOTAL - 1; l >= -1; l--) {
2528 level = (l == -1 ? ZB_TOTAL : l);
2529 zb = &zcb.zcb_type[level][t];
2530
2531 if (zb->zb_asize == 0)
2532 continue;
2533
2534 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2535 continue;
2536
2537 if (level == 0 && zb->zb_asize ==
2538 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2539 continue;
2540
2541 zdb_nicenum(zb->zb_count, csize);
2542 zdb_nicenum(zb->zb_lsize, lsize);
2543 zdb_nicenum(zb->zb_psize, psize);
2544 zdb_nicenum(zb->zb_asize, asize);
2545 zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
2546
2547 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2548 "\t%5.2f\t%6.2f\t",
2549 csize, lsize, psize, asize, avg,
2550 (double)zb->zb_lsize / zb->zb_psize,
2551 100.0 * zb->zb_asize / tzb->zb_asize);
2552
2553 if (level == ZB_TOTAL)
2554 (void) printf("%s\n", typename);
2555 else
2556 (void) printf(" L%d %s\n",
2557 level, typename);
2558 }
2559 }
2560 }
2561
2562 (void) printf("\n");
2563
2564 if (leaks)
2565 return (2);
2566
2567 if (zcb.zcb_haderrors)
2568 return (3);
2569
2570 return (0);
2571 }
2572
2573 typedef struct zdb_ddt_entry {
2574 ddt_key_t zdde_key;
2575 uint64_t zdde_ref_blocks;
2576 uint64_t zdde_ref_lsize;
2577 uint64_t zdde_ref_psize;
2578 uint64_t zdde_ref_dsize;
2579 avl_node_t zdde_node;
2580 } zdb_ddt_entry_t;
2581
2582 /* ARGSUSED */
2583 static int
2584 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2585 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2586 {
2587 avl_tree_t *t = arg;
2588 avl_index_t where;
2589 zdb_ddt_entry_t *zdde, zdde_search;
2590
2591 if (bp == NULL)
2592 return (0);
2593
2594 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2595 (void) printf("traversing objset %llu, %llu objects, "
2596 "%lu blocks so far\n",
2597 (u_longlong_t)zb->zb_objset,
2598 (u_longlong_t)bp->blk_fill,
2599 avl_numnodes(t));
2600 }
2601
2602 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
2603 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
2604 return (0);
2605
2606 ddt_key_fill(&zdde_search.zdde_key, bp);
2607
2608 zdde = avl_find(t, &zdde_search, &where);
2609
2610 if (zdde == NULL) {
2611 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2612 zdde->zdde_key = zdde_search.zdde_key;
2613 avl_insert(t, zdde, where);
2614 }
2615
2616 zdde->zdde_ref_blocks += 1;
2617 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2618 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2619 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2620
2621 return (0);
2622 }
2623
2624 static void
2625 dump_simulated_ddt(spa_t *spa)
2626 {
2627 avl_tree_t t;
2628 void *cookie = NULL;
2629 zdb_ddt_entry_t *zdde;
2630 ddt_histogram_t ddh_total;
2631 ddt_stat_t dds_total;
2632
2633 bzero(&ddh_total, sizeof (ddt_histogram_t));
2634 bzero(&dds_total, sizeof (ddt_stat_t));
2635
2636 avl_create(&t, ddt_entry_compare,
2637 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2638
2639 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2640
2641 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2642 zdb_ddt_add_cb, &t);
2643
2644 spa_config_exit(spa, SCL_CONFIG, FTAG);
2645
2646 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2647 ddt_stat_t dds;
2648 uint64_t refcnt = zdde->zdde_ref_blocks;
2649 ASSERT(refcnt != 0);
2650
2651 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2652 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2653 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2654 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2655
2656 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2657 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2658 dds.dds_ref_psize = zdde->zdde_ref_psize;
2659 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2660
2661 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
2662
2663 umem_free(zdde, sizeof (*zdde));
2664 }
2665
2666 avl_destroy(&t);
2667
2668 ddt_histogram_stat(&dds_total, &ddh_total);
2669
2670 (void) printf("Simulated DDT histogram:\n");
2671
2672 zpool_dump_ddt(&dds_total, &ddh_total);
2673
2674 dump_dedup_ratio(&dds_total);
2675 }
2676
2677 static void
2678 dump_zpool(spa_t *spa)
2679 {
2680 dsl_pool_t *dp = spa_get_dsl(spa);
2681 int rc = 0;
2682
2683 if (dump_opt['S']) {
2684 dump_simulated_ddt(spa);
2685 return;
2686 }
2687
2688 if (!dump_opt['e'] && dump_opt['C'] > 1) {
2689 (void) printf("\nCached configuration:\n");
2690 dump_nvlist(spa->spa_config, 8);
2691 }
2692
2693 if (dump_opt['C'])
2694 dump_config(spa);
2695
2696 if (dump_opt['u'])
2697 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
2698
2699 if (dump_opt['D'])
2700 dump_all_ddts(spa);
2701
2702 if (dump_opt['d'] > 2 || dump_opt['m'])
2703 dump_metaslabs(spa);
2704
2705 if (dump_opt['d'] || dump_opt['i']) {
2706 dump_dir(dp->dp_meta_objset);
2707 if (dump_opt['d'] >= 3) {
2708 dump_bpobj(&spa->spa_deferred_bpobj,
2709 "Deferred frees", 0);
2710 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2711 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
2712 "Pool snapshot frees", 0);
2713 }
2714
2715 if (spa_feature_is_active(spa,
2716 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
2717 dump_bptree(spa->spa_meta_objset,
2718 spa->spa_dsl_pool->dp_bptree_obj,
2719 "Pool dataset frees");
2720 }
2721 dump_dtl(spa->spa_root_vdev, 0);
2722 }
2723 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
2724 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
2725 }
2726 if (dump_opt['b'] || dump_opt['c'])
2727 rc = dump_block_stats(spa);
2728
2729 if (dump_opt['s'])
2730 show_pool_stats(spa);
2731
2732 if (dump_opt['h'])
2733 dump_history(spa);
2734
2735 if (rc != 0)
2736 exit(rc);
2737 }
2738
2739 #define ZDB_FLAG_CHECKSUM 0x0001
2740 #define ZDB_FLAG_DECOMPRESS 0x0002
2741 #define ZDB_FLAG_BSWAP 0x0004
2742 #define ZDB_FLAG_GBH 0x0008
2743 #define ZDB_FLAG_INDIRECT 0x0010
2744 #define ZDB_FLAG_PHYS 0x0020
2745 #define ZDB_FLAG_RAW 0x0040
2746 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
2747
2748 int flagbits[256];
2749
2750 static void
2751 zdb_print_blkptr(blkptr_t *bp, int flags)
2752 {
2753 char blkbuf[BP_SPRINTF_LEN];
2754
2755 if (flags & ZDB_FLAG_BSWAP)
2756 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
2757
2758 sprintf_blkptr(blkbuf, bp);
2759 (void) printf("%s\n", blkbuf);
2760 }
2761
2762 static void
2763 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
2764 {
2765 int i;
2766
2767 for (i = 0; i < nbps; i++)
2768 zdb_print_blkptr(&bp[i], flags);
2769 }
2770
2771 static void
2772 zdb_dump_gbh(void *buf, int flags)
2773 {
2774 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
2775 }
2776
2777 static void
2778 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
2779 {
2780 if (flags & ZDB_FLAG_BSWAP)
2781 byteswap_uint64_array(buf, size);
2782 VERIFY(write(fileno(stdout), buf, size) == size);
2783 }
2784
2785 static void
2786 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
2787 {
2788 uint64_t *d = (uint64_t *)buf;
2789 int nwords = size / sizeof (uint64_t);
2790 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
2791 int i, j;
2792 char *hdr, *c;
2793
2794
2795 if (do_bswap)
2796 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
2797 else
2798 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
2799
2800 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
2801
2802 for (i = 0; i < nwords; i += 2) {
2803 (void) printf("%06llx: %016llx %016llx ",
2804 (u_longlong_t)(i * sizeof (uint64_t)),
2805 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
2806 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
2807
2808 c = (char *)&d[i];
2809 for (j = 0; j < 2 * sizeof (uint64_t); j++)
2810 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
2811 (void) printf("\n");
2812 }
2813 }
2814
2815 /*
2816 * There are two acceptable formats:
2817 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
2818 * child[.child]* - For example: 0.1.1
2819 *
2820 * The second form can be used to specify arbitrary vdevs anywhere
2821 * in the heirarchy. For example, in a pool with a mirror of
2822 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
2823 */
2824 static vdev_t *
2825 zdb_vdev_lookup(vdev_t *vdev, char *path)
2826 {
2827 char *s, *p, *q;
2828 int i;
2829
2830 if (vdev == NULL)
2831 return (NULL);
2832
2833 /* First, assume the x.x.x.x format */
2834 i = (int)strtoul(path, &s, 10);
2835 if (s == path || (s && *s != '.' && *s != '\0'))
2836 goto name;
2837 if (i < 0 || i >= vdev->vdev_children)
2838 return (NULL);
2839
2840 vdev = vdev->vdev_child[i];
2841 if (*s == '\0')
2842 return (vdev);
2843 return (zdb_vdev_lookup(vdev, s+1));
2844
2845 name:
2846 for (i = 0; i < vdev->vdev_children; i++) {
2847 vdev_t *vc = vdev->vdev_child[i];
2848
2849 if (vc->vdev_path == NULL) {
2850 vc = zdb_vdev_lookup(vc, path);
2851 if (vc == NULL)
2852 continue;
2853 else
2854 return (vc);
2855 }
2856
2857 p = strrchr(vc->vdev_path, '/');
2858 p = p ? p + 1 : vc->vdev_path;
2859 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
2860
2861 if (strcmp(vc->vdev_path, path) == 0)
2862 return (vc);
2863 if (strcmp(p, path) == 0)
2864 return (vc);
2865 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2866 return (vc);
2867 }
2868
2869 return (NULL);
2870 }
2871
2872 /*
2873 * Read a block from a pool and print it out. The syntax of the
2874 * block descriptor is:
2875 *
2876 * pool:vdev_specifier:offset:size[:flags]
2877 *
2878 * pool - The name of the pool you wish to read from
2879 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2880 * offset - offset, in hex, in bytes
2881 * size - Amount of data to read, in hex, in bytes
2882 * flags - A string of characters specifying options
2883 * b: Decode a blkptr at given offset within block
2884 * *c: Calculate and display checksums
2885 * d: Decompress data before dumping
2886 * e: Byteswap data before dumping
2887 * g: Display data as a gang block header
2888 * i: Display as an indirect block
2889 * p: Do I/O to physical offset
2890 * r: Dump raw data to stdout
2891 *
2892 * * = not yet implemented
2893 */
2894 static void
2895 zdb_read_block(char *thing, spa_t *spa)
2896 {
2897 blkptr_t blk, *bp = &blk;
2898 dva_t *dva = bp->blk_dva;
2899 int flags = 0;
2900 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
2901 zio_t *zio;
2902 vdev_t *vd;
2903 void *pbuf, *lbuf, *buf;
2904 char *s, *p, *dup, *vdev, *flagstr;
2905 int i, error;
2906
2907 dup = strdup(thing);
2908 s = strtok(dup, ":");
2909 vdev = s ? s : "";
2910 s = strtok(NULL, ":");
2911 offset = strtoull(s ? s : "", NULL, 16);
2912 s = strtok(NULL, ":");
2913 size = strtoull(s ? s : "", NULL, 16);
2914 s = strtok(NULL, ":");
2915 flagstr = s ? s : "";
2916
2917 s = NULL;
2918 if (size == 0)
2919 s = "size must not be zero";
2920 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2921 s = "size must be a multiple of sector size";
2922 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2923 s = "offset must be a multiple of sector size";
2924 if (s) {
2925 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2926 free(dup);
2927 return;
2928 }
2929
2930 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2931 for (i = 0; flagstr[i]; i++) {
2932 int bit = flagbits[(uchar_t)flagstr[i]];
2933
2934 if (bit == 0) {
2935 (void) printf("***Invalid flag: %c\n",
2936 flagstr[i]);
2937 continue;
2938 }
2939 flags |= bit;
2940
2941 /* If it's not something with an argument, keep going */
2942 if ((bit & (ZDB_FLAG_CHECKSUM |
2943 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2944 continue;
2945
2946 p = &flagstr[i + 1];
2947 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2948 blkptr_offset = strtoull(p, &p, 16);
2949 if (*p != ':' && *p != '\0') {
2950 (void) printf("***Invalid flag arg: '%s'\n", s);
2951 free(dup);
2952 return;
2953 }
2954 }
2955 }
2956
2957 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2958 if (vd == NULL) {
2959 (void) printf("***Invalid vdev: %s\n", vdev);
2960 free(dup);
2961 return;
2962 } else {
2963 if (vd->vdev_path)
2964 (void) fprintf(stderr, "Found vdev: %s\n",
2965 vd->vdev_path);
2966 else
2967 (void) fprintf(stderr, "Found vdev type: %s\n",
2968 vd->vdev_ops->vdev_op_type);
2969 }
2970
2971 psize = size;
2972 lsize = size;
2973
2974 pbuf = umem_alloc_aligned(SPA_MAXBLOCKSIZE, 512, UMEM_NOFAIL);
2975 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2976
2977 BP_ZERO(bp);
2978
2979 DVA_SET_VDEV(&dva[0], vd->vdev_id);
2980 DVA_SET_OFFSET(&dva[0], offset);
2981 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
2982 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
2983
2984 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
2985
2986 BP_SET_LSIZE(bp, lsize);
2987 BP_SET_PSIZE(bp, psize);
2988 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
2989 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
2990 BP_SET_TYPE(bp, DMU_OT_NONE);
2991 BP_SET_LEVEL(bp, 0);
2992 BP_SET_DEDUP(bp, 0);
2993 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
2994
2995 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2996 zio = zio_root(spa, NULL, NULL, 0);
2997
2998 if (vd == vd->vdev_top) {
2999 /*
3000 * Treat this as a normal block read.
3001 */
3002 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
3003 ZIO_PRIORITY_SYNC_READ,
3004 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
3005 } else {
3006 /*
3007 * Treat this as a vdev child I/O.
3008 */
3009 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
3010 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
3011 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
3012 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
3013 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
3014 }
3015
3016 error = zio_wait(zio);
3017 spa_config_exit(spa, SCL_STATE, FTAG);
3018
3019 if (error) {
3020 (void) printf("Read of %s failed, error: %d\n", thing, error);
3021 goto out;
3022 }
3023
3024 if (flags & ZDB_FLAG_DECOMPRESS) {
3025 /*
3026 * We don't know how the data was compressed, so just try
3027 * every decompress function at every inflated blocksize.
3028 */
3029 enum zio_compress c;
3030 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
3031 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
3032
3033 bcopy(pbuf, pbuf2, psize);
3034
3035 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
3036 SPA_MAXBLOCKSIZE - psize) == 0);
3037
3038 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
3039 SPA_MAXBLOCKSIZE - psize) == 0);
3040
3041 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
3042 lsize -= SPA_MINBLOCKSIZE) {
3043 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
3044 if (zio_decompress_data(c, pbuf, lbuf,
3045 psize, lsize) == 0 &&
3046 zio_decompress_data(c, pbuf2, lbuf2,
3047 psize, lsize) == 0 &&
3048 bcmp(lbuf, lbuf2, lsize) == 0)
3049 break;
3050 }
3051 if (c != ZIO_COMPRESS_FUNCTIONS)
3052 break;
3053 lsize -= SPA_MINBLOCKSIZE;
3054 }
3055
3056 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
3057 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
3058
3059 if (lsize <= psize) {
3060 (void) printf("Decompress of %s failed\n", thing);
3061 goto out;
3062 }
3063 buf = lbuf;
3064 size = lsize;
3065 } else {
3066 buf = pbuf;
3067 size = psize;
3068 }
3069
3070 if (flags & ZDB_FLAG_PRINT_BLKPTR)
3071 zdb_print_blkptr((blkptr_t *)(void *)
3072 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
3073 else if (flags & ZDB_FLAG_RAW)
3074 zdb_dump_block_raw(buf, size, flags);
3075 else if (flags & ZDB_FLAG_INDIRECT)
3076 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
3077 flags);
3078 else if (flags & ZDB_FLAG_GBH)
3079 zdb_dump_gbh(buf, flags);
3080 else
3081 zdb_dump_block(thing, buf, size, flags);
3082
3083 out:
3084 umem_free(pbuf, SPA_MAXBLOCKSIZE);
3085 umem_free(lbuf, SPA_MAXBLOCKSIZE);
3086 free(dup);
3087 }
3088
3089 static boolean_t
3090 pool_match(nvlist_t *cfg, char *tgt)
3091 {
3092 uint64_t v, guid = strtoull(tgt, NULL, 0);
3093 char *s;
3094
3095 if (guid != 0) {
3096 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
3097 return (v == guid);
3098 } else {
3099 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
3100 return (strcmp(s, tgt) == 0);
3101 }
3102 return (B_FALSE);
3103 }
3104
3105 static char *
3106 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
3107 {
3108 nvlist_t *pools;
3109 nvlist_t *match = NULL;
3110 char *name = NULL;
3111 char *sepp = NULL;
3112 char sep = 0;
3113 int count = 0;
3114 importargs_t args = { 0 };
3115
3116 args.paths = dirc;
3117 args.path = dirv;
3118 args.can_be_active = B_TRUE;
3119
3120 if ((sepp = strpbrk(*target, "/@")) != NULL) {
3121 sep = *sepp;
3122 *sepp = '\0';
3123 }
3124
3125 pools = zpool_search_import(g_zfs, &args);
3126
3127 if (pools != NULL) {
3128 nvpair_t *elem = NULL;
3129 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
3130 verify(nvpair_value_nvlist(elem, configp) == 0);
3131 if (pool_match(*configp, *target)) {
3132 count++;
3133 if (match != NULL) {
3134 /* print previously found config */
3135 if (name != NULL) {
3136 (void) printf("%s\n", name);
3137 dump_nvlist(match, 8);
3138 name = NULL;
3139 }
3140 (void) printf("%s\n",
3141 nvpair_name(elem));
3142 dump_nvlist(*configp, 8);
3143 } else {
3144 match = *configp;
3145 name = nvpair_name(elem);
3146 }
3147 }
3148 }
3149 }
3150 if (count > 1)
3151 (void) fatal("\tMatched %d pools - use pool GUID "
3152 "instead of pool name or \n"
3153 "\tpool name part of a dataset name to select pool", count);
3154
3155 if (sepp)
3156 *sepp = sep;
3157 /*
3158 * If pool GUID was specified for pool id, replace it with pool name
3159 */
3160 if (name && (strstr(*target, name) != *target)) {
3161 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
3162
3163 *target = umem_alloc(sz, UMEM_NOFAIL);
3164 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
3165 }
3166
3167 *configp = name ? match : NULL;
3168
3169 return (name);
3170 }
3171
3172 int
3173 main(int argc, char **argv)
3174 {
3175 int i, c;
3176 struct rlimit rl = { 1024, 1024 };
3177 spa_t *spa = NULL;
3178 objset_t *os = NULL;
3179 int dump_all = 1;
3180 int verbose = 0;
3181 int error = 0;
3182 char **searchdirs = NULL;
3183 int nsearch = 0;
3184 char *target;
3185 nvlist_t *policy = NULL;
3186 uint64_t max_txg = UINT64_MAX;
3187 int rewind = ZPOOL_NEVER_REWIND;
3188 char *spa_config_path_env;
3189
3190 (void) setrlimit(RLIMIT_NOFILE, &rl);
3191 (void) enable_extended_FILE_stdio(-1, -1);
3192
3193 dprintf_setup(&argc, argv);
3194
3195 /*
3196 * If there is an environment variable SPA_CONFIG_PATH it overrides
3197 * default spa_config_path setting. If -U flag is specified it will
3198 * override this environment variable settings once again.
3199 */
3200 spa_config_path_env = getenv("SPA_CONFIG_PATH");
3201 if (spa_config_path_env != NULL)
3202 spa_config_path = spa_config_path_env;
3203
3204 while ((c = getopt(argc, argv, "bcdhilmM:suCDRSAFLXevp:t:U:P")) != -1) {
3205 switch (c) {
3206 case 'b':
3207 case 'c':
3208 case 'd':
3209 case 'h':
3210 case 'i':
3211 case 'l':
3212 case 'm':
3213 case 's':
3214 case 'u':
3215 case 'C':
3216 case 'D':
3217 case 'R':
3218 case 'S':
3219 dump_opt[c]++;
3220 dump_all = 0;
3221 break;
3222 case 'A':
3223 case 'F':
3224 case 'L':
3225 case 'X':
3226 case 'e':
3227 case 'P':
3228 dump_opt[c]++;
3229 break;
3230 case 'v':
3231 verbose++;
3232 break;
3233 case 'M':
3234 max_inflight = strtoull(optarg, NULL, 0);
3235 if (max_inflight == 0) {
3236 (void) fprintf(stderr, "maximum number "
3237 "of inflight I/Os must be greater "
3238 "than 0\n");
3239 usage();
3240 }
3241 break;
3242 case 'p':
3243 if (searchdirs == NULL) {
3244 searchdirs = umem_alloc(sizeof (char *),
3245 UMEM_NOFAIL);
3246 } else {
3247 char **tmp = umem_alloc((nsearch + 1) *
3248 sizeof (char *), UMEM_NOFAIL);
3249 bcopy(searchdirs, tmp, nsearch *
3250 sizeof (char *));
3251 umem_free(searchdirs,
3252 nsearch * sizeof (char *));
3253 searchdirs = tmp;
3254 }
3255 searchdirs[nsearch++] = optarg;
3256 break;
3257 case 't':
3258 max_txg = strtoull(optarg, NULL, 0);
3259 if (max_txg < TXG_INITIAL) {
3260 (void) fprintf(stderr, "incorrect txg "
3261 "specified: %s\n", optarg);
3262 usage();
3263 }
3264 break;
3265 case 'U':
3266 spa_config_path = optarg;
3267 break;
3268 default:
3269 usage();
3270 break;
3271 }
3272 }
3273
3274 if (!dump_opt['e'] && searchdirs != NULL) {
3275 (void) fprintf(stderr, "-p option requires use of -e\n");
3276 usage();
3277 }
3278
3279 kernel_init(FREAD);
3280 if ((g_zfs = libzfs_init()) == NULL)
3281 return (1);
3282
3283 if (dump_all)
3284 verbose = MAX(verbose, 1);
3285
3286 for (c = 0; c < 256; c++) {
3287 if (dump_all && !strchr("elAFLRSXP", c))
3288 dump_opt[c] = 1;
3289 if (dump_opt[c])
3290 dump_opt[c] += verbose;
3291 }
3292
3293 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
3294 zfs_recover = (dump_opt['A'] > 1);
3295
3296 argc -= optind;
3297 argv += optind;
3298
3299 if (argc < 2 && dump_opt['R'])
3300 usage();
3301 if (argc < 1) {
3302 if (!dump_opt['e'] && dump_opt['C']) {
3303 dump_cachefile(spa_config_path);
3304 return (0);
3305 }
3306 usage();
3307 }
3308
3309 if (dump_opt['l']) {
3310 dump_label(argv[0]);
3311 return (0);
3312 }
3313
3314 if (dump_opt['X'] || dump_opt['F'])
3315 rewind = ZPOOL_DO_REWIND |
3316 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
3317
3318 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
3319 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
3320 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
3321 fatal("internal error: %s", strerror(ENOMEM));
3322
3323 error = 0;
3324 target = argv[0];
3325
3326 if (dump_opt['e']) {
3327 nvlist_t *cfg = NULL;
3328 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
3329
3330 error = ENOENT;
3331 if (name) {
3332 if (dump_opt['C'] > 1) {
3333 (void) printf("\nConfiguration for import:\n");
3334 dump_nvlist(cfg, 8);
3335 }
3336 if (nvlist_add_nvlist(cfg,
3337 ZPOOL_REWIND_POLICY, policy) != 0) {
3338 fatal("can't open '%s': %s",
3339 target, strerror(ENOMEM));
3340 }
3341 if ((error = spa_import(name, cfg, NULL,
3342 ZFS_IMPORT_MISSING_LOG)) != 0) {
3343 error = spa_import(name, cfg, NULL,
3344 ZFS_IMPORT_VERBATIM);
3345 }
3346 }
3347 }
3348
3349 if (error == 0) {
3350 if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
3351 error = spa_open_rewind(target, &spa, FTAG, policy,
3352 NULL);
3353 if (error) {
3354 /*
3355 * If we're missing the log device then
3356 * try opening the pool after clearing the
3357 * log state.
3358 */
3359 mutex_enter(&spa_namespace_lock);
3360 if ((spa = spa_lookup(target)) != NULL &&
3361 spa->spa_log_state == SPA_LOG_MISSING) {
3362 spa->spa_log_state = SPA_LOG_CLEAR;
3363 error = 0;
3364 }
3365 mutex_exit(&spa_namespace_lock);
3366
3367 if (!error) {
3368 error = spa_open_rewind(target, &spa,
3369 FTAG, policy, NULL);
3370 }
3371 }
3372 } else {
3373 error = dmu_objset_own(target, DMU_OST_ANY,
3374 B_TRUE, FTAG, &os);
3375 }
3376 }
3377 nvlist_free(policy);
3378
3379 if (error)
3380 fatal("can't open '%s': %s", target, strerror(error));
3381
3382 argv++;
3383 argc--;
3384 if (!dump_opt['R']) {
3385 if (argc > 0) {
3386 zopt_objects = argc;
3387 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
3388 for (i = 0; i < zopt_objects; i++) {
3389 errno = 0;
3390 zopt_object[i] = strtoull(argv[i], NULL, 0);
3391 if (zopt_object[i] == 0 && errno != 0)
3392 fatal("bad number %s: %s",
3393 argv[i], strerror(errno));
3394 }
3395 }
3396 if (os != NULL) {
3397 dump_dir(os);
3398 } else if (zopt_objects > 0 && !dump_opt['m']) {
3399 dump_dir(spa->spa_meta_objset);
3400 } else {
3401 dump_zpool(spa);
3402 }
3403 } else {
3404 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
3405 flagbits['c'] = ZDB_FLAG_CHECKSUM;
3406 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
3407 flagbits['e'] = ZDB_FLAG_BSWAP;
3408 flagbits['g'] = ZDB_FLAG_GBH;
3409 flagbits['i'] = ZDB_FLAG_INDIRECT;
3410 flagbits['p'] = ZDB_FLAG_PHYS;
3411 flagbits['r'] = ZDB_FLAG_RAW;
3412
3413 for (i = 0; i < argc; i++)
3414 zdb_read_block(argv[i], spa);
3415 }
3416
3417 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
3418
3419 fuid_table_destroy();
3420 sa_loaded = B_FALSE;
3421
3422 libzfs_fini(g_zfs);
3423 kernel_fini();
3424
3425 return (0);
3426 }
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