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--- old/usr/src/cmd/zdb/zdb.c
+++ new/usr/src/cmd/zdb/zdb.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23 23 * Use is subject to license terms.
24 24 */
25 25
26 26 #include <stdio.h>
27 27 #include <stdio_ext.h>
28 28 #include <stdlib.h>
29 29 #include <ctype.h>
30 30 #include <sys/zfs_context.h>
31 31 #include <sys/spa.h>
32 32 #include <sys/spa_impl.h>
33 33 #include <sys/dmu.h>
34 34 #include <sys/zap.h>
35 35 #include <sys/fs/zfs.h>
36 36 #include <sys/zfs_znode.h>
37 37 #include <sys/vdev.h>
38 38 #include <sys/vdev_impl.h>
39 39 #include <sys/metaslab_impl.h>
40 40 #include <sys/dmu_objset.h>
41 41 #include <sys/dsl_dir.h>
42 42 #include <sys/dsl_dataset.h>
43 43 #include <sys/dsl_pool.h>
44 44 #include <sys/dbuf.h>
45 45 #include <sys/zil.h>
46 46 #include <sys/zil_impl.h>
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47 47 #include <sys/stat.h>
48 48 #include <sys/resource.h>
49 49 #include <sys/dmu_traverse.h>
50 50 #include <sys/zio_checksum.h>
51 51 #include <sys/zio_compress.h>
52 52 #include <sys/zfs_fuid.h>
53 53 #include <sys/arc.h>
54 54 #undef ZFS_MAXNAMELEN
55 55 #undef verify
56 56 #include <libzfs.h>
57 +#include <sys/zio_crypt.h>
57 58
58 59 const char cmdname[] = "zdb";
59 60 uint8_t dump_opt[256];
60 61
61 62 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
62 63
63 64 extern void dump_intent_log(zilog_t *);
64 65 uint64_t *zopt_object = NULL;
65 66 int zopt_objects = 0;
66 67 libzfs_handle_t *g_zfs;
67 68 boolean_t zdb_sig_user_data = B_TRUE;
68 -int zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256;
69 +int zdb_sig_cksumalg = ZIO_CHECKSUM_FUNCTIONS - 1;
69 70
70 71 /*
71 72 * These libumem hooks provide a reasonable set of defaults for the allocator's
72 73 * debugging facilities.
73 74 */
74 75 const char *
75 76 _umem_debug_init()
76 77 {
77 78 return ("default,verbose"); /* $UMEM_DEBUG setting */
78 79 }
79 80
80 81 const char *
81 82 _umem_logging_init(void)
82 83 {
83 84 return ("fail,contents"); /* $UMEM_LOGGING setting */
84 85 }
85 86
86 87 static void
87 88 usage(void)
88 89 {
89 90 (void) fprintf(stderr,
90 91 "Usage: %s [-udibcsvL] [-U cachefile_path] [-t txg]\n"
91 92 "\t [-S user:cksumalg] "
92 93 "dataset [object...]\n"
93 94 " %s -C [pool]\n"
94 95 " %s -l dev\n"
95 96 " %s -R pool:vdev:offset:size:flags\n"
96 97 " %s [-p path_to_vdev_dir]\n"
97 98 " %s -e pool | GUID | devid ...\n",
98 99 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
99 100
100 101 (void) fprintf(stderr, " -u uberblock\n");
101 102 (void) fprintf(stderr, " -d datasets\n");
102 103 (void) fprintf(stderr, " -C cached pool configuration\n");
103 104 (void) fprintf(stderr, " -i intent logs\n");
104 105 (void) fprintf(stderr, " -b block statistics\n");
105 106 (void) fprintf(stderr, " -c checksum all data blocks\n");
106 107 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
107 108 (void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- "
108 109 "dump blkptr signatures\n");
109 110 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
110 111 (void) fprintf(stderr, " -l dump label contents\n");
111 112 (void) fprintf(stderr, " -L disable leak tracking (do not "
112 113 "load spacemaps)\n");
113 114 (void) fprintf(stderr, " -U cachefile_path -- use alternate "
114 115 "cachefile\n");
115 116 (void) fprintf(stderr, " -R read and display block from a "
116 117 "device\n");
117 118 (void) fprintf(stderr, " -e Pool is exported/destroyed/"
118 119 "has altroot\n");
119 120 (void) fprintf(stderr, " -p <Path to vdev dir> (use with -e)\n");
120 121 (void) fprintf(stderr, " -t <txg> highest txg to use when "
121 122 "searching for uberblocks\n");
122 123 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
123 124 "to make only that option verbose\n");
124 125 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
125 126 exit(1);
126 127 }
127 128
128 129 static void
129 130 fatal(const char *fmt, ...)
130 131 {
131 132 va_list ap;
132 133
133 134 va_start(ap, fmt);
134 135 (void) fprintf(stderr, "%s: ", cmdname);
135 136 (void) vfprintf(stderr, fmt, ap);
136 137 va_end(ap);
137 138 (void) fprintf(stderr, "\n");
138 139
139 140 abort();
140 141 }
141 142
142 143 static void
143 144 dump_nvlist(nvlist_t *list, int indent)
144 145 {
145 146 nvpair_t *elem = NULL;
146 147
147 148 while ((elem = nvlist_next_nvpair(list, elem)) != NULL) {
148 149 switch (nvpair_type(elem)) {
149 150 case DATA_TYPE_STRING:
150 151 {
151 152 char *value;
152 153
153 154 VERIFY(nvpair_value_string(elem, &value) == 0);
154 155 (void) printf("%*s%s='%s'\n", indent, "",
155 156 nvpair_name(elem), value);
156 157 }
157 158 break;
158 159
159 160 case DATA_TYPE_UINT64:
160 161 {
161 162 uint64_t value;
162 163
163 164 VERIFY(nvpair_value_uint64(elem, &value) == 0);
164 165 (void) printf("%*s%s=%llu\n", indent, "",
165 166 nvpair_name(elem), (u_longlong_t)value);
166 167 }
167 168 break;
168 169
169 170 case DATA_TYPE_NVLIST:
170 171 {
171 172 nvlist_t *value;
172 173
173 174 VERIFY(nvpair_value_nvlist(elem, &value) == 0);
174 175 (void) printf("%*s%s\n", indent, "",
175 176 nvpair_name(elem));
176 177 dump_nvlist(value, indent + 4);
177 178 }
178 179 break;
179 180
180 181 case DATA_TYPE_NVLIST_ARRAY:
181 182 {
182 183 nvlist_t **value;
183 184 uint_t c, count;
184 185
185 186 VERIFY(nvpair_value_nvlist_array(elem, &value,
186 187 &count) == 0);
187 188
188 189 for (c = 0; c < count; c++) {
189 190 (void) printf("%*s%s[%u]\n", indent, "",
190 191 nvpair_name(elem), c);
191 192 dump_nvlist(value[c], indent + 8);
192 193 }
193 194 }
194 195 break;
195 196
196 197 default:
197 198
198 199 (void) printf("bad config type %d for %s\n",
199 200 nvpair_type(elem), nvpair_name(elem));
200 201 }
201 202 }
202 203 }
203 204
204 205 /* ARGSUSED */
205 206 static void
206 207 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
207 208 {
208 209 nvlist_t *nv;
209 210 size_t nvsize = *(uint64_t *)data;
210 211 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
211 212
212 213 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed));
213 214
214 215 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
215 216
216 217 umem_free(packed, nvsize);
217 218
218 219 dump_nvlist(nv, 8);
219 220
220 221 nvlist_free(nv);
221 222 }
222 223
223 224 const char dump_zap_stars[] = "****************************************";
224 225 const int dump_zap_width = sizeof (dump_zap_stars) - 1;
225 226
226 227 static void
227 228 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
228 229 {
229 230 int i;
230 231 int minidx = ZAP_HISTOGRAM_SIZE - 1;
231 232 int maxidx = 0;
232 233 uint64_t max = 0;
233 234
234 235 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
235 236 if (histo[i] > max)
236 237 max = histo[i];
237 238 if (histo[i] > 0 && i > maxidx)
238 239 maxidx = i;
239 240 if (histo[i] > 0 && i < minidx)
240 241 minidx = i;
241 242 }
242 243
243 244 if (max < dump_zap_width)
244 245 max = dump_zap_width;
245 246
246 247 for (i = minidx; i <= maxidx; i++)
247 248 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
248 249 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
249 250 }
250 251
251 252 static void
252 253 dump_zap_stats(objset_t *os, uint64_t object)
253 254 {
254 255 int error;
255 256 zap_stats_t zs;
256 257
257 258 error = zap_get_stats(os, object, &zs);
258 259 if (error)
259 260 return;
260 261
261 262 if (zs.zs_ptrtbl_len == 0) {
262 263 ASSERT(zs.zs_num_blocks == 1);
263 264 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
264 265 (u_longlong_t)zs.zs_blocksize,
265 266 (u_longlong_t)zs.zs_num_entries);
266 267 return;
267 268 }
268 269
269 270 (void) printf("\tFat ZAP stats:\n");
270 271
271 272 (void) printf("\t\tPointer table:\n");
272 273 (void) printf("\t\t\t%llu elements\n",
273 274 (u_longlong_t)zs.zs_ptrtbl_len);
274 275 (void) printf("\t\t\tzt_blk: %llu\n",
275 276 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
276 277 (void) printf("\t\t\tzt_numblks: %llu\n",
277 278 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
278 279 (void) printf("\t\t\tzt_shift: %llu\n",
279 280 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
280 281 (void) printf("\t\t\tzt_blks_copied: %llu\n",
281 282 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
282 283 (void) printf("\t\t\tzt_nextblk: %llu\n",
283 284 (u_longlong_t)zs.zs_ptrtbl_nextblk);
284 285
285 286 (void) printf("\t\tZAP entries: %llu\n",
286 287 (u_longlong_t)zs.zs_num_entries);
287 288 (void) printf("\t\tLeaf blocks: %llu\n",
288 289 (u_longlong_t)zs.zs_num_leafs);
289 290 (void) printf("\t\tTotal blocks: %llu\n",
290 291 (u_longlong_t)zs.zs_num_blocks);
291 292 (void) printf("\t\tzap_block_type: 0x%llx\n",
292 293 (u_longlong_t)zs.zs_block_type);
293 294 (void) printf("\t\tzap_magic: 0x%llx\n",
294 295 (u_longlong_t)zs.zs_magic);
295 296 (void) printf("\t\tzap_salt: 0x%llx\n",
296 297 (u_longlong_t)zs.zs_salt);
297 298
298 299 (void) printf("\t\tLeafs with 2^n pointers:\n");
299 300 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
300 301
301 302 (void) printf("\t\tBlocks with n*5 entries:\n");
302 303 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
303 304
304 305 (void) printf("\t\tBlocks n/10 full:\n");
305 306 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
306 307
307 308 (void) printf("\t\tEntries with n chunks:\n");
308 309 dump_zap_histogram(zs.zs_entries_using_n_chunks);
309 310
310 311 (void) printf("\t\tBuckets with n entries:\n");
311 312 dump_zap_histogram(zs.zs_buckets_with_n_entries);
312 313 }
313 314
314 315 /*ARGSUSED*/
315 316 static void
316 317 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
317 318 {
318 319 }
319 320
320 321 /*ARGSUSED*/
321 322 void
322 323 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
323 324 {
324 325 }
325 326
326 327 /*ARGSUSED*/
327 328 static void
328 329 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
329 330 {
330 331 }
331 332
332 333 /*ARGSUSED*/
333 334 static void
334 335 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
335 336 {
336 337 zap_cursor_t zc;
337 338 zap_attribute_t attr;
338 339 void *prop;
339 340 int i;
340 341
341 342 dump_zap_stats(os, object);
342 343 (void) printf("\n");
343 344
344 345 for (zap_cursor_init(&zc, os, object);
345 346 zap_cursor_retrieve(&zc, &attr) == 0;
346 347 zap_cursor_advance(&zc)) {
347 348 (void) printf("\t\t%s = ", attr.za_name);
348 349 if (attr.za_num_integers == 0) {
349 350 (void) printf("\n");
350 351 continue;
351 352 }
352 353 prop = umem_zalloc(attr.za_num_integers *
353 354 attr.za_integer_length, UMEM_NOFAIL);
354 355 (void) zap_lookup(os, object, attr.za_name,
355 356 attr.za_integer_length, attr.za_num_integers, prop);
356 357 if (attr.za_integer_length == 1) {
357 358 (void) printf("%s", (char *)prop);
358 359 } else {
359 360 for (i = 0; i < attr.za_num_integers; i++) {
360 361 switch (attr.za_integer_length) {
361 362 case 2:
362 363 (void) printf("%u ",
363 364 ((uint16_t *)prop)[i]);
364 365 break;
365 366 case 4:
366 367 (void) printf("%u ",
367 368 ((uint32_t *)prop)[i]);
368 369 break;
369 370 case 8:
370 371 (void) printf("%lld ",
371 372 (u_longlong_t)((int64_t *)prop)[i]);
372 373 break;
373 374 }
374 375 }
375 376 }
376 377 (void) printf("\n");
377 378 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
378 379 }
379 380 zap_cursor_fini(&zc);
380 381 }
381 382
382 383 /*ARGSUSED*/
383 384 static void
384 385 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
385 386 {
386 387 zap_cursor_t zc;
387 388 zap_attribute_t attr;
388 389 const char *typenames[] = {
389 390 /* 0 */ "not specified",
390 391 /* 1 */ "FIFO",
391 392 /* 2 */ "Character Device",
392 393 /* 3 */ "3 (invalid)",
393 394 /* 4 */ "Directory",
394 395 /* 5 */ "5 (invalid)",
395 396 /* 6 */ "Block Device",
396 397 /* 7 */ "7 (invalid)",
397 398 /* 8 */ "Regular File",
398 399 /* 9 */ "9 (invalid)",
399 400 /* 10 */ "Symbolic Link",
400 401 /* 11 */ "11 (invalid)",
401 402 /* 12 */ "Socket",
402 403 /* 13 */ "Door",
403 404 /* 14 */ "Event Port",
404 405 /* 15 */ "15 (invalid)",
405 406 };
406 407
407 408 dump_zap_stats(os, object);
408 409 (void) printf("\n");
409 410
410 411 for (zap_cursor_init(&zc, os, object);
411 412 zap_cursor_retrieve(&zc, &attr) == 0;
412 413 zap_cursor_advance(&zc)) {
413 414 (void) printf("\t\t%s = %lld (type: %s)\n",
414 415 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
415 416 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
416 417 }
417 418 zap_cursor_fini(&zc);
418 419 }
419 420
420 421 static void
421 422 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
422 423 {
423 424 uint64_t alloc, offset, entry;
424 425 uint8_t mapshift = sm->sm_shift;
425 426 uint64_t mapstart = sm->sm_start;
426 427 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
427 428 "INVALID", "INVALID", "INVALID", "INVALID" };
428 429
429 430 if (smo->smo_object == 0)
430 431 return;
431 432
432 433 /*
433 434 * Print out the freelist entries in both encoded and decoded form.
434 435 */
435 436 alloc = 0;
436 437 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
437 438 VERIFY(0 == dmu_read(os, smo->smo_object, offset,
438 439 sizeof (entry), &entry));
439 440 if (SM_DEBUG_DECODE(entry)) {
440 441 (void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n",
441 442 (u_longlong_t)(offset / sizeof (entry)),
442 443 ddata[SM_DEBUG_ACTION_DECODE(entry)],
443 444 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
444 445 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
445 446 } else {
446 447 (void) printf("\t\t[%4llu] %c range:"
447 448 " %08llx-%08llx size: %06llx\n",
448 449 (u_longlong_t)(offset / sizeof (entry)),
449 450 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
450 451 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
451 452 mapshift) + mapstart),
452 453 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
453 454 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
454 455 mapshift)),
455 456 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
456 457 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
457 458 alloc += SM_RUN_DECODE(entry) << mapshift;
458 459 else
459 460 alloc -= SM_RUN_DECODE(entry) << mapshift;
460 461 }
461 462 }
462 463 if (alloc != smo->smo_alloc) {
463 464 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
464 465 "with space map summary (%llu)\n",
465 466 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
466 467 }
467 468 }
468 469
469 470 static void
470 471 dump_metaslab(metaslab_t *msp)
471 472 {
472 473 char freebuf[5];
473 474 space_map_obj_t *smo = &msp->ms_smo;
474 475 vdev_t *vd = msp->ms_group->mg_vd;
475 476 spa_t *spa = vd->vdev_spa;
476 477
477 478 nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf);
478 479
479 480 if (dump_opt['d'] <= 5) {
480 481 (void) printf("\t%10llx %10llu %5s\n",
481 482 (u_longlong_t)msp->ms_map.sm_start,
482 483 (u_longlong_t)smo->smo_object,
483 484 freebuf);
484 485 return;
485 486 }
486 487
487 488 (void) printf(
488 489 "\tvdev %llu offset %08llx spacemap %4llu free %5s\n",
489 490 (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start,
490 491 (u_longlong_t)smo->smo_object, freebuf);
491 492
492 493 ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift));
493 494
494 495 dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map);
495 496 }
496 497
497 498 static void
498 499 dump_metaslabs(spa_t *spa)
499 500 {
500 501 vdev_t *rvd = spa->spa_root_vdev;
501 502 vdev_t *vd;
502 503 int c, m;
503 504
504 505 (void) printf("\nMetaslabs:\n");
505 506
506 507 for (c = 0; c < rvd->vdev_children; c++) {
507 508 vd = rvd->vdev_child[c];
508 509
509 510 (void) printf("\n vdev %llu\n\n", (u_longlong_t)vd->vdev_id);
510 511
511 512 if (dump_opt['d'] <= 5) {
512 513 (void) printf("\t%10s %10s %5s\n",
513 514 "offset", "spacemap", "free");
514 515 (void) printf("\t%10s %10s %5s\n",
515 516 "------", "--------", "----");
516 517 }
517 518 for (m = 0; m < vd->vdev_ms_count; m++)
518 519 dump_metaslab(vd->vdev_ms[m]);
519 520 (void) printf("\n");
520 521 }
521 522 }
522 523
523 524 static void
524 525 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
525 526 {
526 527 char *prefix = (void *)sm;
527 528
528 529 (void) printf("%s [%llu,%llu) length %llu\n",
529 530 prefix,
530 531 (u_longlong_t)start,
531 532 (u_longlong_t)(start + size),
532 533 (u_longlong_t)(size));
533 534 }
534 535
535 536 static void
536 537 dump_dtl(vdev_t *vd, int indent)
537 538 {
538 539 spa_t *spa = vd->vdev_spa;
539 540 boolean_t required;
540 541 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
541 542 char prefix[256];
542 543
543 544 spa_vdev_state_enter(spa);
544 545 required = vdev_dtl_required(vd);
545 546 (void) spa_vdev_state_exit(spa, NULL, 0);
546 547
547 548 if (indent == 0)
548 549 (void) printf("\nDirty time logs:\n\n");
549 550
550 551 (void) printf("\t%*s%s [%s]\n", indent, "",
551 552 vd->vdev_path ? vd->vdev_path :
552 553 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
553 554 required ? "DTL-required" : "DTL-expendable");
554 555
555 556 for (int t = 0; t < DTL_TYPES; t++) {
556 557 space_map_t *sm = &vd->vdev_dtl[t];
557 558 if (sm->sm_space == 0)
558 559 continue;
559 560 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
560 561 indent + 2, "", name[t]);
561 562 mutex_enter(sm->sm_lock);
562 563 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
563 564 mutex_exit(sm->sm_lock);
564 565 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
565 566 dump_spacemap(spa->spa_meta_objset,
566 567 &vd->vdev_dtl_smo, sm);
567 568 }
568 569
569 570 for (int c = 0; c < vd->vdev_children; c++)
570 571 dump_dtl(vd->vdev_child[c], indent + 4);
571 572 }
572 573
573 574 /*ARGSUSED*/
574 575 static void
575 576 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
576 577 {
577 578 }
578 579
579 580 static uint64_t
580 581 blkid2offset(const dnode_phys_t *dnp, int level, uint64_t blkid)
581 582 {
582 583 if (level < 0)
583 584 return (blkid);
584 585
585 586 return ((blkid << (level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
586 587 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
587 588 }
588 589
589 590 static void
590 591 sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp, int alldvas)
591 592 {
592 593 dva_t *dva = bp->blk_dva;
593 594 int ndvas = alldvas ? BP_GET_NDVAS(bp) : 1;
594 595 int i;
595 596
596 597 blkbuf[0] = '\0';
597 598
598 599 for (i = 0; i < ndvas; i++)
599 600 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
600 601 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
601 602 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
602 603 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
603 604
604 605 (void) sprintf(blkbuf + strlen(blkbuf), "%llxL/%llxP F=%llu B=%llu",
605 606 (u_longlong_t)BP_GET_LSIZE(bp),
606 607 (u_longlong_t)BP_GET_PSIZE(bp),
607 608 (u_longlong_t)bp->blk_fill,
608 609 (u_longlong_t)bp->blk_birth);
609 610 }
610 611
611 612 static void
612 613 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
613 614 const dnode_phys_t *dnp)
614 615 {
615 616 char blkbuf[BP_SPRINTF_LEN];
616 617 int l;
617 618
618 619 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
619 620 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
620 621
621 622 (void) printf("%16llx ",
622 623 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid));
623 624
624 625 ASSERT(zb->zb_level >= 0);
625 626
626 627 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
627 628 if (l == zb->zb_level) {
628 629 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
629 630 } else {
630 631 (void) printf(" ");
631 632 }
632 633 }
633 634
634 635 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0);
635 636 (void) printf("%s\n", blkbuf);
636 637 }
637 638
638 639 #define SET_BOOKMARK(zb, objset, object, level, blkid) \
639 640 { \
640 641 (zb)->zb_objset = objset; \
641 642 (zb)->zb_object = object; \
642 643 (zb)->zb_level = level; \
643 644 (zb)->zb_blkid = blkid; \
644 645 }
645 646
646 647 static int
647 648 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
648 649 blkptr_t *bp, const zbookmark_t *zb)
649 650 {
650 651 int err;
651 652
652 653 if (bp->blk_birth == 0)
653 654 return (0);
654 655
655 656 print_indirect(bp, zb, dnp);
656 657
657 658 if (BP_GET_LEVEL(bp) > 0) {
658 659 uint32_t flags = ARC_WAIT;
659 660 int i;
660 661 blkptr_t *cbp;
661 662 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
662 663 arc_buf_t *buf;
663 664 uint64_t fill = 0;
664 665
665 666 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
666 667 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
667 668 if (err)
668 669 return (err);
669 670
670 671 /* recursively visit blocks below this */
671 672 cbp = buf->b_data;
672 673 for (i = 0; i < epb; i++, cbp++) {
673 674 zbookmark_t czb;
674 675
675 676 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
676 677 zb->zb_level - 1,
677 678 zb->zb_blkid * epb + i);
678 679 err = visit_indirect(spa, dnp, cbp, &czb);
679 680 if (err)
680 681 break;
681 682 fill += cbp->blk_fill;
682 683 }
683 684 if (!err)
684 685 ASSERT3U(fill, ==, bp->blk_fill);
685 686 (void) arc_buf_remove_ref(buf, &buf);
686 687 }
687 688
688 689 return (err);
689 690 }
690 691
691 692 /*ARGSUSED*/
692 693 static void
693 694 dump_indirect(dnode_t *dn)
694 695 {
695 696 dnode_phys_t *dnp = dn->dn_phys;
696 697 int j;
697 698 zbookmark_t czb;
698 699
699 700 (void) printf("Indirect blocks:\n");
700 701
701 702 SET_BOOKMARK(&czb, dmu_objset_id(&dn->dn_objset->os),
702 703 dn->dn_object, dnp->dn_nlevels - 1, 0);
703 704 for (j = 0; j < dnp->dn_nblkptr; j++) {
704 705 czb.zb_blkid = j;
705 706 (void) visit_indirect(dmu_objset_spa(&dn->dn_objset->os), dnp,
706 707 &dnp->dn_blkptr[j], &czb);
707 708 }
708 709
709 710 (void) printf("\n");
710 711 }
711 712
712 713 /*ARGSUSED*/
713 714 static void
714 715 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
715 716 {
716 717 dsl_dir_phys_t *dd = data;
717 718 time_t crtime;
718 719 char nice[6];
719 720
720 721 if (dd == NULL)
721 722 return;
722 723
723 724 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
724 725
725 726 crtime = dd->dd_creation_time;
726 727 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
727 728 (void) printf("\t\thead_dataset_obj = %llu\n",
728 729 (u_longlong_t)dd->dd_head_dataset_obj);
729 730 (void) printf("\t\tparent_dir_obj = %llu\n",
730 731 (u_longlong_t)dd->dd_parent_obj);
731 732 (void) printf("\t\torigin_obj = %llu\n",
732 733 (u_longlong_t)dd->dd_origin_obj);
733 734 (void) printf("\t\tchild_dir_zapobj = %llu\n",
734 735 (u_longlong_t)dd->dd_child_dir_zapobj);
735 736 nicenum(dd->dd_used_bytes, nice);
736 737 (void) printf("\t\tused_bytes = %s\n", nice);
737 738 nicenum(dd->dd_compressed_bytes, nice);
738 739 (void) printf("\t\tcompressed_bytes = %s\n", nice);
739 740 nicenum(dd->dd_uncompressed_bytes, nice);
740 741 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
741 742 nicenum(dd->dd_quota, nice);
742 743 (void) printf("\t\tquota = %s\n", nice);
743 744 nicenum(dd->dd_reserved, nice);
744 745 (void) printf("\t\treserved = %s\n", nice);
745 746 (void) printf("\t\tprops_zapobj = %llu\n",
746 747 (u_longlong_t)dd->dd_props_zapobj);
747 748 (void) printf("\t\tdeleg_zapobj = %llu\n",
748 749 (u_longlong_t)dd->dd_deleg_zapobj);
749 750 (void) printf("\t\tflags = %llx\n",
750 751 (u_longlong_t)dd->dd_flags);
751 752
752 753 #define DO(which) \
753 754 nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
754 755 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
755 756 DO(HEAD);
756 757 DO(SNAP);
757 758 DO(CHILD);
758 759 DO(CHILD_RSRV);
759 760 DO(REFRSRV);
760 761 #undef DO
761 762 }
762 763
763 764 /*ARGSUSED*/
764 765 static void
765 766 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
766 767 {
767 768 dsl_dataset_phys_t *ds = data;
768 769 time_t crtime;
769 770 char used[6], compressed[6], uncompressed[6], unique[6];
770 771 char blkbuf[BP_SPRINTF_LEN];
771 772
772 773 if (ds == NULL)
773 774 return;
774 775
775 776 ASSERT(size == sizeof (*ds));
776 777 crtime = ds->ds_creation_time;
777 778 nicenum(ds->ds_used_bytes, used);
778 779 nicenum(ds->ds_compressed_bytes, compressed);
779 780 nicenum(ds->ds_uncompressed_bytes, uncompressed);
780 781 nicenum(ds->ds_unique_bytes, unique);
781 782 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ds->ds_bp);
782 783
783 784 (void) printf("\t\tdir_obj = %llu\n",
784 785 (u_longlong_t)ds->ds_dir_obj);
785 786 (void) printf("\t\tprev_snap_obj = %llu\n",
786 787 (u_longlong_t)ds->ds_prev_snap_obj);
787 788 (void) printf("\t\tprev_snap_txg = %llu\n",
788 789 (u_longlong_t)ds->ds_prev_snap_txg);
789 790 (void) printf("\t\tnext_snap_obj = %llu\n",
790 791 (u_longlong_t)ds->ds_next_snap_obj);
791 792 (void) printf("\t\tsnapnames_zapobj = %llu\n",
792 793 (u_longlong_t)ds->ds_snapnames_zapobj);
793 794 (void) printf("\t\tnum_children = %llu\n",
794 795 (u_longlong_t)ds->ds_num_children);
795 796 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
796 797 (void) printf("\t\tcreation_txg = %llu\n",
797 798 (u_longlong_t)ds->ds_creation_txg);
798 799 (void) printf("\t\tdeadlist_obj = %llu\n",
799 800 (u_longlong_t)ds->ds_deadlist_obj);
800 801 (void) printf("\t\tused_bytes = %s\n", used);
801 802 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
802 803 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
803 804 (void) printf("\t\tunique = %s\n", unique);
804 805 (void) printf("\t\tfsid_guid = %llu\n",
805 806 (u_longlong_t)ds->ds_fsid_guid);
806 807 (void) printf("\t\tguid = %llu\n",
807 808 (u_longlong_t)ds->ds_guid);
808 809 (void) printf("\t\tflags = %llx\n",
809 810 (u_longlong_t)ds->ds_flags);
810 811 (void) printf("\t\tnext_clones_obj = %llu\n",
811 812 (u_longlong_t)ds->ds_next_clones_obj);
812 813 (void) printf("\t\tprops_obj = %llu\n",
813 814 (u_longlong_t)ds->ds_props_obj);
814 815 (void) printf("\t\tbp = %s\n", blkbuf);
815 816 }
816 817
817 818 static void
818 819 dump_bplist(objset_t *mos, uint64_t object, char *name)
819 820 {
820 821 bplist_t bpl = { 0 };
821 822 blkptr_t blk, *bp = &blk;
822 823 uint64_t itor = 0;
823 824 char bytes[6];
824 825 char comp[6];
825 826 char uncomp[6];
826 827
827 828 if (dump_opt['d'] < 3)
828 829 return;
829 830
830 831 mutex_init(&bpl.bpl_lock, NULL, MUTEX_DEFAULT, NULL);
831 832 VERIFY(0 == bplist_open(&bpl, mos, object));
832 833 if (bplist_empty(&bpl)) {
833 834 bplist_close(&bpl);
834 835 mutex_destroy(&bpl.bpl_lock);
835 836 return;
836 837 }
837 838
838 839 nicenum(bpl.bpl_phys->bpl_bytes, bytes);
839 840 if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) {
840 841 nicenum(bpl.bpl_phys->bpl_comp, comp);
841 842 nicenum(bpl.bpl_phys->bpl_uncomp, uncomp);
842 843 (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n",
843 844 name, (u_longlong_t)bpl.bpl_phys->bpl_entries,
844 845 bytes, comp, uncomp);
845 846 } else {
846 847 (void) printf("\n %s: %llu entries, %s\n",
847 848 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes);
848 849 }
849 850
850 851 if (dump_opt['d'] < 5) {
851 852 bplist_close(&bpl);
852 853 mutex_destroy(&bpl.bpl_lock);
853 854 return;
854 855 }
855 856
856 857 (void) printf("\n");
857 858
858 859 while (bplist_iterate(&bpl, &itor, bp) == 0) {
859 860 char blkbuf[BP_SPRINTF_LEN];
860 861
861 862 ASSERT(bp->blk_birth != 0);
862 863 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0);
863 864 (void) printf("\tItem %3llu: %s\n",
864 865 (u_longlong_t)itor - 1, blkbuf);
865 866 }
866 867
867 868 bplist_close(&bpl);
868 869 mutex_destroy(&bpl.bpl_lock);
869 870 }
870 871
871 872 static avl_tree_t idx_tree;
872 873 static avl_tree_t domain_tree;
873 874 static boolean_t fuid_table_loaded;
874 875
875 876 static void
876 877 fuid_table_destroy()
877 878 {
878 879 if (fuid_table_loaded) {
879 880 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
880 881 fuid_table_loaded = B_FALSE;
881 882 }
882 883 }
883 884
884 885 /*
885 886 * print uid or gid information.
886 887 * For normal POSIX id just the id is printed in decimal format.
887 888 * For CIFS files with FUID the fuid is printed in hex followed by
888 889 * the doman-rid string.
889 890 */
890 891 static void
891 892 print_idstr(uint64_t id, const char *id_type)
892 893 {
893 894 if (FUID_INDEX(id)) {
894 895 char *domain;
895 896
896 897 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
897 898 (void) printf("\t%s %llx [%s-%d]\n", id_type,
898 899 (u_longlong_t)id, domain, (int)FUID_RID(id));
899 900 } else {
900 901 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
901 902 }
902 903
903 904 }
904 905
905 906 static void
906 907 dump_uidgid(objset_t *os, znode_phys_t *zp)
907 908 {
908 909 uint32_t uid_idx, gid_idx;
909 910
910 911 uid_idx = FUID_INDEX(zp->zp_uid);
911 912 gid_idx = FUID_INDEX(zp->zp_gid);
912 913
913 914 /* Load domain table, if not already loaded */
914 915 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
915 916 uint64_t fuid_obj;
916 917
917 918 /* first find the fuid object. It lives in the master node */
918 919 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
919 920 8, 1, &fuid_obj) == 0);
920 921 (void) zfs_fuid_table_load(os, fuid_obj,
921 922 &idx_tree, &domain_tree);
922 923 fuid_table_loaded = B_TRUE;
923 924 }
924 925
925 926 print_idstr(zp->zp_uid, "uid");
926 927 print_idstr(zp->zp_gid, "gid");
927 928 }
928 929
929 930 /*ARGSUSED*/
930 931 static void
931 932 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
932 933 {
933 934 znode_phys_t *zp = data;
934 935 time_t z_crtime, z_atime, z_mtime, z_ctime;
935 936 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
936 937 int error;
937 938
938 939 ASSERT(size >= sizeof (znode_phys_t));
939 940
940 941 error = zfs_obj_to_path(os, object, path, sizeof (path));
941 942 if (error != 0) {
942 943 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
943 944 (u_longlong_t)object);
944 945 }
945 946
946 947 if (dump_opt['d'] < 3) {
947 948 (void) printf("\t%s\n", path);
948 949 return;
949 950 }
950 951
951 952 z_crtime = (time_t)zp->zp_crtime[0];
952 953 z_atime = (time_t)zp->zp_atime[0];
953 954 z_mtime = (time_t)zp->zp_mtime[0];
954 955 z_ctime = (time_t)zp->zp_ctime[0];
955 956
956 957 (void) printf("\tpath %s\n", path);
957 958 dump_uidgid(os, zp);
958 959 (void) printf("\tatime %s", ctime(&z_atime));
959 960 (void) printf("\tmtime %s", ctime(&z_mtime));
960 961 (void) printf("\tctime %s", ctime(&z_ctime));
961 962 (void) printf("\tcrtime %s", ctime(&z_crtime));
962 963 (void) printf("\tgen %llu\n", (u_longlong_t)zp->zp_gen);
963 964 (void) printf("\tmode %llo\n", (u_longlong_t)zp->zp_mode);
964 965 (void) printf("\tsize %llu\n", (u_longlong_t)zp->zp_size);
965 966 (void) printf("\tparent %llu\n", (u_longlong_t)zp->zp_parent);
966 967 (void) printf("\tlinks %llu\n", (u_longlong_t)zp->zp_links);
967 968 (void) printf("\txattr %llu\n", (u_longlong_t)zp->zp_xattr);
968 969 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)zp->zp_rdev);
969 970 }
970 971
971 972 /*ARGSUSED*/
972 973 static void
973 974 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
974 975 {
975 976 }
976 977
977 978 /*ARGSUSED*/
978 979 static void
979 980 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
980 981 {
981 982 }
982 983
983 984 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = {
984 985 dump_none, /* unallocated */
985 986 dump_zap, /* object directory */
986 987 dump_uint64, /* object array */
987 988 dump_none, /* packed nvlist */
988 989 dump_packed_nvlist, /* packed nvlist size */
989 990 dump_none, /* bplist */
990 991 dump_none, /* bplist header */
991 992 dump_none, /* SPA space map header */
992 993 dump_none, /* SPA space map */
993 994 dump_none, /* ZIL intent log */
994 995 dump_dnode, /* DMU dnode */
995 996 dump_dmu_objset, /* DMU objset */
996 997 dump_dsl_dir, /* DSL directory */
997 998 dump_zap, /* DSL directory child map */
998 999 dump_zap, /* DSL dataset snap map */
999 1000 dump_zap, /* DSL props */
1000 1001 dump_dsl_dataset, /* DSL dataset */
1001 1002 dump_znode, /* ZFS znode */
1002 1003 dump_acl, /* ZFS V0 ACL */
1003 1004 dump_uint8, /* ZFS plain file */
1004 1005 dump_zpldir, /* ZFS directory */
1005 1006 dump_zap, /* ZFS master node */
1006 1007 dump_zap, /* ZFS delete queue */
1007 1008 dump_uint8, /* zvol object */
1008 1009 dump_zap, /* zvol prop */
1009 1010 dump_uint8, /* other uint8[] */
1010 1011 dump_uint64, /* other uint64[] */
1011 1012 dump_zap, /* other ZAP */
1012 1013 dump_zap, /* persistent error log */
1013 1014 dump_uint8, /* SPA history */
1014 1015 dump_uint64, /* SPA history offsets */
1015 1016 dump_zap, /* Pool properties */
1016 1017 dump_zap, /* DSL permissions */
1017 1018 dump_acl, /* ZFS ACL */
1018 1019 dump_uint8, /* ZFS SYSACL */
1019 1020 dump_none, /* FUID nvlist */
1020 1021 dump_packed_nvlist, /* FUID nvlist size */
1021 1022 dump_zap, /* DSL dataset next clones */
1022 1023 dump_zap, /* DSL scrub queue */
1023 1024 };
1024 1025
1025 1026 static void
1026 1027 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1027 1028 {
1028 1029 dmu_buf_t *db = NULL;
1029 1030 dmu_object_info_t doi;
1030 1031 dnode_t *dn;
1031 1032 void *bonus = NULL;
1032 1033 size_t bsize = 0;
1033 1034 char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], segsize[6];
1034 1035 char aux[50];
1035 1036 int error;
1036 1037
1037 1038 if (*print_header) {
1038 1039 (void) printf("\n Object lvl iblk dblk lsize"
1039 1040 " asize type\n");
1040 1041 *print_header = 0;
1041 1042 }
1042 1043
1043 1044 if (object == 0) {
1044 1045 dn = os->os->os_meta_dnode;
1045 1046 } else {
1046 1047 error = dmu_bonus_hold(os, object, FTAG, &db);
1047 1048 if (error)
1048 1049 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1049 1050 object, error);
1050 1051 bonus = db->db_data;
1051 1052 bsize = db->db_size;
1052 1053 dn = ((dmu_buf_impl_t *)db)->db_dnode;
1053 1054 }
1054 1055 dmu_object_info_from_dnode(dn, &doi);
1055 1056
1056 1057 nicenum(doi.doi_metadata_block_size, iblk);
1057 1058 nicenum(doi.doi_data_block_size, dblk);
1058 1059 nicenum(doi.doi_data_block_size * (doi.doi_max_block_offset + 1),
1059 1060 lsize);
1060 1061 nicenum(doi.doi_physical_blks << 9, asize);
1061 1062 nicenum(doi.doi_bonus_size, bonus_size);
1062 1063
1063 1064 aux[0] = '\0';
1064 1065
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1065 1066 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1066 1067 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1067 1068 zio_checksum_table[doi.doi_checksum].ci_name);
1068 1069 }
1069 1070
1070 1071 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1071 1072 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1072 1073 zio_compress_table[doi.doi_compress].ci_name);
1073 1074 }
1074 1075
1076 + if (doi.doi_crypt != ZIO_CRYPT_INHERIT || verbosity >= 6) {
1077 + (void) snprintf(aux + strlen(aux), sizeof (aux), " (E=%s)",
1078 + zio_crypt_table[doi.doi_crypt].ci_name);
1079 + }
1080 +
1075 1081 (void) printf("%10lld %3u %5s %5s %5s %5s %s%s\n",
1076 1082 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, lsize,
1077 1083 asize, dmu_ot[doi.doi_type].ot_name, aux);
1078 1084
1079 1085 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1080 1086 (void) printf("%10s %3s %5s %5s %5s %5s %s\n",
1081 1087 "", "", "", "", bonus_size, "bonus",
1082 1088 dmu_ot[doi.doi_bonus_type].ot_name);
1083 1089 }
1084 1090
1085 1091 if (verbosity >= 4) {
1086 1092 object_viewer[doi.doi_bonus_type](os, object, bonus, bsize);
1087 1093 object_viewer[doi.doi_type](os, object, NULL, 0);
1088 1094 *print_header = 1;
1089 1095 }
1090 1096
1091 1097 if (verbosity >= 5)
1092 1098 dump_indirect(dn);
1093 1099
1094 1100 if (verbosity >= 5) {
1095 1101 /*
1096 1102 * Report the list of segments that comprise the object.
1097 1103 */
1098 1104 uint64_t start = 0;
1099 1105 uint64_t end;
1100 1106 uint64_t blkfill = 1;
1101 1107 int minlvl = 1;
1102 1108
1103 1109 if (dn->dn_type == DMU_OT_DNODE) {
1104 1110 minlvl = 0;
1105 1111 blkfill = DNODES_PER_BLOCK;
1106 1112 }
1107 1113
1108 1114 for (;;) {
1109 1115 error = dnode_next_offset(dn,
1110 1116 0, &start, minlvl, blkfill, 0);
1111 1117 if (error)
1112 1118 break;
1113 1119 end = start;
1114 1120 error = dnode_next_offset(dn,
1115 1121 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1116 1122 nicenum(end - start, segsize);
1117 1123 (void) printf("\t\tsegment [%016llx, %016llx)"
1118 1124 " size %5s\n", (u_longlong_t)start,
1119 1125 (u_longlong_t)end, segsize);
1120 1126 if (error)
1121 1127 break;
1122 1128 start = end;
1123 1129 }
1124 1130 }
1125 1131
1126 1132 if (db != NULL)
1127 1133 dmu_buf_rele(db, FTAG);
1128 1134 }
1129 1135
1130 1136 static char *objset_types[DMU_OST_NUMTYPES] = {
1131 1137 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1132 1138
1133 1139 static void
1134 1140 dump_dir(objset_t *os)
1135 1141 {
1136 1142 dmu_objset_stats_t dds;
1137 1143 uint64_t object, object_count;
1138 1144 uint64_t refdbytes, usedobjs, scratch;
1139 1145 char numbuf[8];
1140 1146 char blkbuf[BP_SPRINTF_LEN];
1141 1147 char osname[MAXNAMELEN];
1142 1148 char *type = "UNKNOWN";
1143 1149 int verbosity = dump_opt['d'];
1144 1150 int print_header = 1;
1145 1151 int i, error;
1146 1152
1147 1153 dmu_objset_fast_stat(os, &dds);
1148 1154
1149 1155 if (dds.dds_type < DMU_OST_NUMTYPES)
1150 1156 type = objset_types[dds.dds_type];
1151 1157
1152 1158 if (dds.dds_type == DMU_OST_META) {
1153 1159 dds.dds_creation_txg = TXG_INITIAL;
1154 1160 usedobjs = os->os->os_rootbp->blk_fill;
1155 1161 refdbytes = os->os->os_spa->spa_dsl_pool->
1156 1162 dp_mos_dir->dd_phys->dd_used_bytes;
1157 1163 } else {
1158 1164 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1159 1165 }
1160 1166
1161 1167 ASSERT3U(usedobjs, ==, os->os->os_rootbp->blk_fill);
1162 1168
1163 1169 nicenum(refdbytes, numbuf);
1164 1170
1165 1171 if (verbosity >= 4) {
1166 1172 (void) strcpy(blkbuf, ", rootbp ");
1167 1173 sprintf_blkptr(blkbuf + strlen(blkbuf),
1168 1174 BP_SPRINTF_LEN - strlen(blkbuf), os->os->os_rootbp);
1169 1175 } else {
1170 1176 blkbuf[0] = '\0';
1171 1177 }
1172 1178
1173 1179 dmu_objset_name(os, osname);
1174 1180
1175 1181 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1176 1182 "%s, %llu objects%s\n",
1177 1183 osname, type, (u_longlong_t)dmu_objset_id(os),
1178 1184 (u_longlong_t)dds.dds_creation_txg,
1179 1185 numbuf, (u_longlong_t)usedobjs, blkbuf);
1180 1186
1181 1187 dump_intent_log(dmu_objset_zil(os));
1182 1188
1183 1189 if (dmu_objset_ds(os) != NULL)
1184 1190 dump_bplist(dmu_objset_pool(os)->dp_meta_objset,
1185 1191 dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist");
1186 1192
1187 1193 if (verbosity < 2)
1188 1194 return;
1189 1195
1190 1196 if (os->os->os_rootbp->blk_birth == 0)
1191 1197 return;
1192 1198
1193 1199 if (zopt_objects != 0) {
1194 1200 for (i = 0; i < zopt_objects; i++)
1195 1201 dump_object(os, zopt_object[i], verbosity,
1196 1202 &print_header);
1197 1203 (void) printf("\n");
1198 1204 return;
1199 1205 }
1200 1206
1201 1207 dump_object(os, 0, verbosity, &print_header);
1202 1208 object_count = 1;
1203 1209
1204 1210 object = 0;
1205 1211 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1206 1212 dump_object(os, object, verbosity, &print_header);
1207 1213 object_count++;
1208 1214 }
1209 1215
1210 1216 ASSERT3U(object_count, ==, usedobjs);
1211 1217
1212 1218 (void) printf("\n");
1213 1219
1214 1220 if (error != ESRCH)
1215 1221 fatal("dmu_object_next() = %d", error);
1216 1222 }
1217 1223
1218 1224 static void
1219 1225 dump_uberblock(uberblock_t *ub)
1220 1226 {
1221 1227 time_t timestamp = ub->ub_timestamp;
1222 1228
1223 1229 (void) printf("Uberblock\n\n");
1224 1230 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1225 1231 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1226 1232 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1227 1233 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1228 1234 (void) printf("\ttimestamp = %llu UTC = %s",
1229 1235 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
1230 1236 if (dump_opt['u'] >= 3) {
1231 1237 char blkbuf[BP_SPRINTF_LEN];
1232 1238 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ub->ub_rootbp);
1233 1239 (void) printf("\trootbp = %s\n", blkbuf);
1234 1240 }
1235 1241 (void) printf("\n");
1236 1242 }
1237 1243
1238 1244 static void
1239 1245 dump_config(const char *pool)
1240 1246 {
1241 1247 spa_t *spa = NULL;
1242 1248
1243 1249 mutex_enter(&spa_namespace_lock);
1244 1250 while ((spa = spa_next(spa)) != NULL) {
1245 1251 if (pool == NULL)
1246 1252 (void) printf("%s\n", spa_name(spa));
1247 1253 if (pool == NULL || strcmp(pool, spa_name(spa)) == 0)
1248 1254 dump_nvlist(spa->spa_config, 4);
1249 1255 }
1250 1256 mutex_exit(&spa_namespace_lock);
1251 1257 }
1252 1258
1253 1259 static void
1254 1260 dump_cachefile(const char *cachefile)
1255 1261 {
1256 1262 int fd;
1257 1263 struct stat64 statbuf;
1258 1264 char *buf;
1259 1265 nvlist_t *config;
1260 1266
1261 1267 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1262 1268 (void) printf("cannot open '%s': %s\n", cachefile,
1263 1269 strerror(errno));
1264 1270 exit(1);
1265 1271 }
1266 1272
1267 1273 if (fstat64(fd, &statbuf) != 0) {
1268 1274 (void) printf("failed to stat '%s': %s\n", cachefile,
1269 1275 strerror(errno));
1270 1276 exit(1);
1271 1277 }
1272 1278
1273 1279 if ((buf = malloc(statbuf.st_size)) == NULL) {
1274 1280 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1275 1281 (u_longlong_t)statbuf.st_size);
1276 1282 exit(1);
1277 1283 }
1278 1284
1279 1285 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1280 1286 (void) fprintf(stderr, "failed to read %llu bytes\n",
1281 1287 (u_longlong_t)statbuf.st_size);
1282 1288 exit(1);
1283 1289 }
1284 1290
1285 1291 (void) close(fd);
1286 1292
1287 1293 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1288 1294 (void) fprintf(stderr, "failed to unpack nvlist\n");
1289 1295 exit(1);
1290 1296 }
1291 1297
1292 1298 free(buf);
1293 1299
1294 1300 dump_nvlist(config, 0);
1295 1301
1296 1302 nvlist_free(config);
1297 1303 }
1298 1304
1299 1305 static void
1300 1306 dump_label(const char *dev)
1301 1307 {
1302 1308 int fd;
1303 1309 vdev_label_t label;
1304 1310 char *buf = label.vl_vdev_phys.vp_nvlist;
1305 1311 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1306 1312 struct stat64 statbuf;
1307 1313 uint64_t psize;
1308 1314 int l;
1309 1315
1310 1316 if ((fd = open64(dev, O_RDONLY)) < 0) {
1311 1317 (void) printf("cannot open '%s': %s\n", dev, strerror(errno));
1312 1318 exit(1);
1313 1319 }
1314 1320
1315 1321 if (fstat64(fd, &statbuf) != 0) {
1316 1322 (void) printf("failed to stat '%s': %s\n", dev,
1317 1323 strerror(errno));
1318 1324 exit(1);
1319 1325 }
1320 1326
1321 1327 psize = statbuf.st_size;
1322 1328 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1323 1329
1324 1330 for (l = 0; l < VDEV_LABELS; l++) {
1325 1331
1326 1332 nvlist_t *config = NULL;
1327 1333
1328 1334 (void) printf("--------------------------------------------\n");
1329 1335 (void) printf("LABEL %d\n", l);
1330 1336 (void) printf("--------------------------------------------\n");
1331 1337
1332 1338 if (pread64(fd, &label, sizeof (label),
1333 1339 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1334 1340 (void) printf("failed to read label %d\n", l);
1335 1341 continue;
1336 1342 }
1337 1343
1338 1344 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1339 1345 (void) printf("failed to unpack label %d\n", l);
1340 1346 continue;
1341 1347 }
1342 1348 dump_nvlist(config, 4);
1343 1349 nvlist_free(config);
1344 1350 }
1345 1351 }
1346 1352
1347 1353 /*ARGSUSED*/
1348 1354 static int
1349 1355 dump_one_dir(char *dsname, void *arg)
1350 1356 {
1351 1357 int error;
1352 1358 objset_t *os;
1353 1359
1354 1360 error = dmu_objset_open(dsname, DMU_OST_ANY,
1355 1361 DS_MODE_USER | DS_MODE_READONLY, &os);
1356 1362 if (error) {
1357 1363 (void) printf("Could not open %s\n", dsname);
1358 1364 return (0);
1359 1365 }
1360 1366 dump_dir(os);
1361 1367 dmu_objset_close(os);
1362 1368 fuid_table_destroy();
1363 1369 return (0);
1364 1370 }
1365 1371
1366 1372 static void
1367 1373 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
1368 1374 {
1369 1375 vdev_t *vd = sm->sm_ppd;
1370 1376
1371 1377 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
1372 1378 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
1373 1379 }
1374 1380
1375 1381 /* ARGSUSED */
1376 1382 static void
1377 1383 zdb_space_map_load(space_map_t *sm)
1378 1384 {
1379 1385 }
1380 1386
1381 1387 static void
1382 1388 zdb_space_map_unload(space_map_t *sm)
1383 1389 {
1384 1390 space_map_vacate(sm, zdb_leak, sm);
1385 1391 }
1386 1392
1387 1393 /* ARGSUSED */
1388 1394 static void
1389 1395 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
1390 1396 {
1391 1397 }
1392 1398
1393 1399 static space_map_ops_t zdb_space_map_ops = {
1394 1400 zdb_space_map_load,
1395 1401 zdb_space_map_unload,
1396 1402 NULL, /* alloc */
1397 1403 zdb_space_map_claim,
1398 1404 NULL /* free */
1399 1405 };
1400 1406
1401 1407 static void
1402 1408 zdb_leak_init(spa_t *spa)
1403 1409 {
1404 1410 vdev_t *rvd = spa->spa_root_vdev;
1405 1411
1406 1412 for (int c = 0; c < rvd->vdev_children; c++) {
1407 1413 vdev_t *vd = rvd->vdev_child[c];
1408 1414 for (int m = 0; m < vd->vdev_ms_count; m++) {
1409 1415 metaslab_t *msp = vd->vdev_ms[m];
1410 1416 mutex_enter(&msp->ms_lock);
1411 1417 VERIFY(space_map_load(&msp->ms_map, &zdb_space_map_ops,
1412 1418 SM_ALLOC, &msp->ms_smo, spa->spa_meta_objset) == 0);
1413 1419 msp->ms_map.sm_ppd = vd;
1414 1420 mutex_exit(&msp->ms_lock);
1415 1421 }
1416 1422 }
1417 1423 }
1418 1424
1419 1425 static void
1420 1426 zdb_leak_fini(spa_t *spa)
1421 1427 {
1422 1428 vdev_t *rvd = spa->spa_root_vdev;
1423 1429
1424 1430 for (int c = 0; c < rvd->vdev_children; c++) {
1425 1431 vdev_t *vd = rvd->vdev_child[c];
1426 1432 for (int m = 0; m < vd->vdev_ms_count; m++) {
1427 1433 metaslab_t *msp = vd->vdev_ms[m];
1428 1434 mutex_enter(&msp->ms_lock);
1429 1435 space_map_unload(&msp->ms_map);
1430 1436 mutex_exit(&msp->ms_lock);
1431 1437 }
1432 1438 }
1433 1439 }
1434 1440
1435 1441 /*
1436 1442 * Verify that the sum of the sizes of all blocks in the pool adds up
1437 1443 * to the SPA's sa_alloc total.
1438 1444 */
1439 1445 typedef struct zdb_blkstats {
1440 1446 uint64_t zb_asize;
1441 1447 uint64_t zb_lsize;
1442 1448 uint64_t zb_psize;
1443 1449 uint64_t zb_count;
1444 1450 } zdb_blkstats_t;
1445 1451
1446 1452 #define DMU_OT_DEFERRED DMU_OT_NONE
1447 1453 #define DMU_OT_TOTAL DMU_OT_NUMTYPES
1448 1454
1449 1455 #define ZB_TOTAL DN_MAX_LEVELS
1450 1456
1451 1457 typedef struct zdb_cb {
1452 1458 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][DMU_OT_TOTAL + 1];
1453 1459 uint64_t zcb_errors[256];
1454 1460 int zcb_readfails;
1455 1461 int zcb_haderrors;
1456 1462 } zdb_cb_t;
1457 1463
1458 1464 static void
1459 1465 zdb_count_block(spa_t *spa, zdb_cb_t *zcb, blkptr_t *bp, dmu_object_type_t type)
1460 1466 {
1461 1467 for (int i = 0; i < 4; i++) {
1462 1468 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1463 1469 int t = (i & 1) ? type : DMU_OT_TOTAL;
1464 1470 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1465 1471
1466 1472 zb->zb_asize += BP_GET_ASIZE(bp);
1467 1473 zb->zb_lsize += BP_GET_LSIZE(bp);
1468 1474 zb->zb_psize += BP_GET_PSIZE(bp);
1469 1475 zb->zb_count++;
1470 1476 }
1471 1477
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1472 1478 if (dump_opt['S']) {
1473 1479 boolean_t print_sig;
1474 1480
1475 1481 print_sig = !zdb_sig_user_data || (BP_GET_LEVEL(bp) == 0 &&
1476 1482 BP_GET_TYPE(bp) == DMU_OT_PLAIN_FILE_CONTENTS);
1477 1483
1478 1484 if (BP_GET_CHECKSUM(bp) < zdb_sig_cksumalg)
1479 1485 print_sig = B_FALSE;
1480 1486
1481 1487 if (print_sig) {
1482 - (void) printf("%llu\t%lld\t%lld\t%s\t%s\t%s\t"
1488 + (void) printf("%llu\t%lld\t%lld\t%s\t%s\t%s\t%s\t"
1483 1489 "%llx:%llx:%llx:%llx\n",
1484 1490 (u_longlong_t)BP_GET_LEVEL(bp),
1485 1491 (longlong_t)BP_GET_PSIZE(bp),
1486 1492 (longlong_t)BP_GET_NDVAS(bp),
1487 1493 dmu_ot[BP_GET_TYPE(bp)].ot_name,
1488 1494 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name,
1489 1495 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name,
1496 + zio_crypt_table[BP_GET_CRYPT(bp)].ci_name,
1490 1497 (u_longlong_t)bp->blk_cksum.zc_word[0],
1491 1498 (u_longlong_t)bp->blk_cksum.zc_word[1],
1492 1499 (u_longlong_t)bp->blk_cksum.zc_word[2],
1493 1500 (u_longlong_t)bp->blk_cksum.zc_word[3]);
1494 1501 }
1495 1502 }
1496 1503
1497 1504 if (!dump_opt['L'])
1498 1505 VERIFY(zio_wait(zio_claim(NULL, spa, spa_first_txg(spa), bp,
1499 1506 NULL, NULL, ZIO_FLAG_MUSTSUCCEED)) == 0);
1500 1507 }
1501 1508
1502 1509 static int
1503 1510 zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb,
1504 1511 const dnode_phys_t *dnp, void *arg)
1505 1512 {
1506 1513 zdb_cb_t *zcb = arg;
1507 1514 char blkbuf[BP_SPRINTF_LEN];
1508 1515
1509 1516 if (bp == NULL)
1510 1517 return (0);
1511 1518
1512 1519 zdb_count_block(spa, zcb, bp, BP_GET_TYPE(bp));
1513 1520
1514 1521 if (dump_opt['c'] || dump_opt['S']) {
1515 1522 int ioerr, size;
1516 1523 void *data;
1517 1524
1518 1525 size = BP_GET_LSIZE(bp);
1519 1526 data = malloc(size);
1520 1527 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
1521 1528 NULL, NULL, ZIO_PRIORITY_ASYNC_READ,
1522 1529 ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB, zb));
1523 1530 free(data);
1524 1531
1525 1532 /* We expect io errors on intent log */
1526 1533 if (ioerr && BP_GET_TYPE(bp) != DMU_OT_INTENT_LOG) {
1527 1534 zcb->zcb_haderrors = 1;
1528 1535 zcb->zcb_errors[ioerr]++;
1529 1536
1530 1537 if (dump_opt['b'] >= 2)
1531 1538 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp);
1532 1539 else
1533 1540 blkbuf[0] = '\0';
1534 1541
1535 1542 if (!dump_opt['S']) {
1536 1543 (void) printf("zdb_blkptr_cb: "
1537 1544 "Got error %d reading "
1538 1545 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
1539 1546 ioerr,
1540 1547 (u_longlong_t)zb->zb_objset,
1541 1548 (u_longlong_t)zb->zb_object,
1542 1549 (u_longlong_t)zb->zb_level,
1543 1550 (u_longlong_t)zb->zb_blkid,
1544 1551 blkbuf);
1545 1552 }
1546 1553 }
1547 1554 }
1548 1555
1549 1556 zcb->zcb_readfails = 0;
1550 1557
1551 1558 if (dump_opt['b'] >= 4) {
1552 1559 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp);
1553 1560 (void) printf("objset %llu object %llu offset 0x%llx %s\n",
1554 1561 (u_longlong_t)zb->zb_objset,
1555 1562 (u_longlong_t)zb->zb_object,
1556 1563 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid),
1557 1564 blkbuf);
1558 1565 }
1559 1566
1560 1567 return (0);
1561 1568 }
1562 1569
1563 1570 static int
1564 1571 dump_block_stats(spa_t *spa)
1565 1572 {
1566 1573 zdb_cb_t zcb = { 0 };
1567 1574 zdb_blkstats_t *zb, *tzb;
1568 1575 uint64_t alloc, space, logalloc;
1569 1576 vdev_t *rvd = spa->spa_root_vdev;
1570 1577 int leaks = 0;
1571 1578 int c, e;
1572 1579
1573 1580 if (!dump_opt['S']) {
1574 1581 (void) printf("\nTraversing all blocks %s%s%s%s...\n",
1575 1582 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
1576 1583 dump_opt['c'] ? "checksums " : "",
1577 1584 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
1578 1585 !dump_opt['L'] ? "nothing leaked " : "");
1579 1586 }
1580 1587
1581 1588 /*
1582 1589 * Load all space maps as SM_ALLOC maps, then traverse the pool
1583 1590 * claiming each block we discover. If the pool is perfectly
1584 1591 * consistent, the space maps will be empty when we're done.
1585 1592 * Anything left over is a leak; any block we can't claim (because
1586 1593 * it's not part of any space map) is a double allocation,
1587 1594 * reference to a freed block, or an unclaimed log block.
1588 1595 */
1589 1596 if (!dump_opt['L'])
1590 1597 zdb_leak_init(spa);
1591 1598
1592 1599 /*
1593 1600 * If there's a deferred-free bplist, process that first.
1594 1601 */
1595 1602 if (spa->spa_sync_bplist_obj != 0) {
1596 1603 bplist_t *bpl = &spa->spa_sync_bplist;
1597 1604 blkptr_t blk;
1598 1605 uint64_t itor = 0;
1599 1606
1600 1607 VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset,
1601 1608 spa->spa_sync_bplist_obj));
1602 1609
1603 1610 while (bplist_iterate(bpl, &itor, &blk) == 0) {
1604 1611 if (dump_opt['b'] >= 4) {
1605 1612 char blkbuf[BP_SPRINTF_LEN];
1606 1613 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &blk);
1607 1614 (void) printf("[%s] %s\n",
1608 1615 "deferred free", blkbuf);
1609 1616 }
1610 1617 zdb_count_block(spa, &zcb, &blk, DMU_OT_DEFERRED);
1611 1618 }
1612 1619
1613 1620 bplist_close(bpl);
1614 1621 }
1615 1622
1616 1623 zcb.zcb_haderrors |= traverse_pool(spa, zdb_blkptr_cb, &zcb);
1617 1624
1618 1625 if (zcb.zcb_haderrors && !dump_opt['S']) {
1619 1626 (void) printf("\nError counts:\n\n");
1620 1627 (void) printf("\t%5s %s\n", "errno", "count");
1621 1628 for (e = 0; e < 256; e++) {
1622 1629 if (zcb.zcb_errors[e] != 0) {
1623 1630 (void) printf("\t%5d %llu\n",
1624 1631 e, (u_longlong_t)zcb.zcb_errors[e]);
1625 1632 }
1626 1633 }
1627 1634 }
1628 1635
1629 1636 /*
1630 1637 * Report any leaked segments.
1631 1638 */
1632 1639 if (!dump_opt['L'])
1633 1640 zdb_leak_fini(spa);
1634 1641
1635 1642 /*
1636 1643 * If we're interested in printing out the blkptr signatures,
1637 1644 * return now as we don't print out anything else (including
1638 1645 * errors and leaks).
1639 1646 */
1640 1647 if (dump_opt['S'])
1641 1648 return (zcb.zcb_haderrors ? 3 : 0);
1642 1649
1643 1650 alloc = spa_get_alloc(spa);
1644 1651 space = spa_get_space(spa);
1645 1652
1646 1653 /*
1647 1654 * Log blocks allocated from a separate log device don't count
1648 1655 * as part of the normal pool space; factor them in here.
1649 1656 */
1650 1657 logalloc = 0;
1651 1658
1652 1659 for (c = 0; c < rvd->vdev_children; c++)
1653 1660 if (rvd->vdev_child[c]->vdev_islog)
1654 1661 logalloc += rvd->vdev_child[c]->vdev_stat.vs_alloc;
1655 1662
1656 1663 tzb = &zcb.zcb_type[ZB_TOTAL][DMU_OT_TOTAL];
1657 1664
1658 1665 if (tzb->zb_asize == alloc + logalloc) {
1659 1666 if (!dump_opt['L'])
1660 1667 (void) printf("\n\tNo leaks (block sum matches space"
1661 1668 " maps exactly)\n");
1662 1669 } else {
1663 1670 (void) printf("block traversal size %llu != alloc %llu "
1664 1671 "(%s %lld)\n",
1665 1672 (u_longlong_t)tzb->zb_asize,
1666 1673 (u_longlong_t)alloc + logalloc,
1667 1674 (dump_opt['L']) ? "unreachable" : "leaked",
1668 1675 (longlong_t)(alloc + logalloc - tzb->zb_asize));
1669 1676 leaks = 1;
1670 1677 }
1671 1678
1672 1679 if (tzb->zb_count == 0)
1673 1680 return (2);
1674 1681
1675 1682 (void) printf("\n");
1676 1683 (void) printf("\tbp count: %10llu\n",
1677 1684 (u_longlong_t)tzb->zb_count);
1678 1685 (void) printf("\tbp logical: %10llu\t avg: %6llu\n",
1679 1686 (u_longlong_t)tzb->zb_lsize,
1680 1687 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
1681 1688 (void) printf("\tbp physical: %10llu\t avg:"
1682 1689 " %6llu\tcompression: %6.2f\n",
1683 1690 (u_longlong_t)tzb->zb_psize,
1684 1691 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
1685 1692 (double)tzb->zb_lsize / tzb->zb_psize);
1686 1693 (void) printf("\tbp allocated: %10llu\t avg:"
1687 1694 " %6llu\tcompression: %6.2f\n",
1688 1695 (u_longlong_t)tzb->zb_asize,
1689 1696 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
1690 1697 (double)tzb->zb_lsize / tzb->zb_asize);
1691 1698 (void) printf("\tSPA allocated: %10llu\tused: %5.2f%%\n",
1692 1699 (u_longlong_t)alloc, 100.0 * alloc / space);
1693 1700
1694 1701 if (dump_opt['b'] >= 2) {
1695 1702 int l, t, level;
1696 1703 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
1697 1704 "\t avg\t comp\t%%Total\tType\n");
1698 1705
1699 1706 for (t = 0; t <= DMU_OT_NUMTYPES; t++) {
1700 1707 char csize[6], lsize[6], psize[6], asize[6], avg[6];
1701 1708 char *typename;
1702 1709
1703 1710 typename = t == DMU_OT_DEFERRED ? "deferred free" :
1704 1711 t == DMU_OT_TOTAL ? "Total" : dmu_ot[t].ot_name;
1705 1712
1706 1713 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
1707 1714 (void) printf("%6s\t%5s\t%5s\t%5s"
1708 1715 "\t%5s\t%5s\t%6s\t%s\n",
1709 1716 "-",
1710 1717 "-",
1711 1718 "-",
1712 1719 "-",
1713 1720 "-",
1714 1721 "-",
1715 1722 "-",
1716 1723 typename);
1717 1724 continue;
1718 1725 }
1719 1726
1720 1727 for (l = ZB_TOTAL - 1; l >= -1; l--) {
1721 1728 level = (l == -1 ? ZB_TOTAL : l);
1722 1729 zb = &zcb.zcb_type[level][t];
1723 1730
1724 1731 if (zb->zb_asize == 0)
1725 1732 continue;
1726 1733
1727 1734 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
1728 1735 continue;
1729 1736
1730 1737 if (level == 0 && zb->zb_asize ==
1731 1738 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
1732 1739 continue;
1733 1740
1734 1741 nicenum(zb->zb_count, csize);
1735 1742 nicenum(zb->zb_lsize, lsize);
1736 1743 nicenum(zb->zb_psize, psize);
1737 1744 nicenum(zb->zb_asize, asize);
1738 1745 nicenum(zb->zb_asize / zb->zb_count, avg);
1739 1746
1740 1747 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
1741 1748 "\t%5.2f\t%6.2f\t",
1742 1749 csize, lsize, psize, asize, avg,
1743 1750 (double)zb->zb_lsize / zb->zb_psize,
1744 1751 100.0 * zb->zb_asize / tzb->zb_asize);
1745 1752
1746 1753 if (level == ZB_TOTAL)
1747 1754 (void) printf("%s\n", typename);
1748 1755 else
1749 1756 (void) printf(" L%d %s\n",
1750 1757 level, typename);
1751 1758 }
1752 1759 }
1753 1760 }
1754 1761
1755 1762 (void) printf("\n");
1756 1763
1757 1764 if (leaks)
1758 1765 return (2);
1759 1766
1760 1767 if (zcb.zcb_haderrors)
1761 1768 return (3);
1762 1769
1763 1770 return (0);
1764 1771 }
1765 1772
1766 1773 static void
1767 1774 dump_zpool(spa_t *spa)
1768 1775 {
1769 1776 dsl_pool_t *dp = spa_get_dsl(spa);
1770 1777 int rc = 0;
1771 1778
1772 1779 if (dump_opt['u'])
1773 1780 dump_uberblock(&spa->spa_uberblock);
1774 1781
1775 1782 if (dump_opt['d'] || dump_opt['i']) {
1776 1783 dump_dir(dp->dp_meta_objset);
1777 1784 if (dump_opt['d'] >= 3) {
1778 1785 dump_bplist(dp->dp_meta_objset,
1779 1786 spa->spa_sync_bplist_obj, "Deferred frees");
1780 1787 dump_dtl(spa->spa_root_vdev, 0);
1781 1788 dump_metaslabs(spa);
1782 1789 }
1783 1790 (void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL,
1784 1791 DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
1785 1792 }
1786 1793
1787 1794 if (dump_opt['b'] || dump_opt['c'] || dump_opt['S'])
1788 1795 rc = dump_block_stats(spa);
1789 1796
1790 1797 if (dump_opt['s'])
1791 1798 show_pool_stats(spa);
1792 1799
1793 1800 if (rc != 0)
1794 1801 exit(rc);
1795 1802 }
1796 1803
1797 1804 #define ZDB_FLAG_CHECKSUM 0x0001
1798 1805 #define ZDB_FLAG_DECOMPRESS 0x0002
1799 1806 #define ZDB_FLAG_BSWAP 0x0004
1800 1807 #define ZDB_FLAG_GBH 0x0008
1801 1808 #define ZDB_FLAG_INDIRECT 0x0010
1802 1809 #define ZDB_FLAG_PHYS 0x0020
1803 1810 #define ZDB_FLAG_RAW 0x0040
1804 1811 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
1805 1812
1806 1813 int flagbits[256];
1807 1814
1808 1815 static void
1809 1816 zdb_print_blkptr(blkptr_t *bp, int flags)
1810 1817 {
1811 1818 dva_t *dva = bp->blk_dva;
1812 1819 int d;
1813 1820
1814 1821 if (flags & ZDB_FLAG_BSWAP)
1815 1822 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
1816 1823 /*
1817 1824 * Super-ick warning: This code is also duplicated in
1818 1825 * cmd/mdb/common/modules/zfs/zfs.c . Yeah, I hate code
1819 1826 * replication, too.
1820 1827 */
1821 1828 for (d = 0; d < BP_GET_NDVAS(bp); d++) {
1822 1829 (void) printf("\tDVA[%d]: vdev_id %lld / %llx\n", d,
1823 1830 (longlong_t)DVA_GET_VDEV(&dva[d]),
1824 1831 (longlong_t)DVA_GET_OFFSET(&dva[d]));
1825 1832 (void) printf("\tDVA[%d]: GANG: %-5s GRID: %04llx\t"
1826 1833 "ASIZE: %llx\n", d,
1827 1834 DVA_GET_GANG(&dva[d]) ? "TRUE" : "FALSE",
1828 1835 (longlong_t)DVA_GET_GRID(&dva[d]),
1829 1836 (longlong_t)DVA_GET_ASIZE(&dva[d]));
1830 1837 (void) printf("\tDVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", d,
1831 1838 (u_longlong_t)DVA_GET_VDEV(&dva[d]),
1832 1839 (longlong_t)DVA_GET_OFFSET(&dva[d]),
1833 1840 (longlong_t)BP_GET_PSIZE(bp),
1834 1841 BP_SHOULD_BYTESWAP(bp) ? "e" : "",
1835 1842 !DVA_GET_GANG(&dva[d]) && BP_GET_LEVEL(bp) != 0 ?
1836 1843 "d" : "",
1837 1844 DVA_GET_GANG(&dva[d]) ? "g" : "",
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1838 1845 BP_GET_COMPRESS(bp) != 0 ? "d" : "");
1839 1846 }
1840 1847 (void) printf("\tLSIZE: %-16llx\t\tPSIZE: %llx\n",
1841 1848 (longlong_t)BP_GET_LSIZE(bp), (longlong_t)BP_GET_PSIZE(bp));
1842 1849 (void) printf("\tENDIAN: %6s\t\t\t\t\tTYPE: %s\n",
1843 1850 BP_GET_BYTEORDER(bp) ? "LITTLE" : "BIG",
1844 1851 dmu_ot[BP_GET_TYPE(bp)].ot_name);
1845 1852 (void) printf("\tBIRTH: %-16llx LEVEL: %-2llu\tFILL: %llx\n",
1846 1853 (u_longlong_t)bp->blk_birth, (u_longlong_t)BP_GET_LEVEL(bp),
1847 1854 (u_longlong_t)bp->blk_fill);
1848 - (void) printf("\tCKFUNC: %-16s\t\tCOMP: %s\n",
1855 + (void) printf("\tCKFUNC: %-16s\t\tCOMP: %s\t\tCRYPT: %s\n",
1849 1856 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name,
1850 - zio_compress_table[BP_GET_COMPRESS(bp)].ci_name);
1857 + zio_compress_table[BP_GET_COMPRESS(bp)].ci_name,
1858 + zio_crypt_table[BP_GET_CRYPT(bp)].ci_name);
1851 1859 (void) printf("\tCKSUM: %llx:%llx:%llx:%llx\n",
1852 1860 (u_longlong_t)bp->blk_cksum.zc_word[0],
1853 1861 (u_longlong_t)bp->blk_cksum.zc_word[1],
1854 1862 (u_longlong_t)bp->blk_cksum.zc_word[2],
1855 1863 (u_longlong_t)bp->blk_cksum.zc_word[3]);
1856 1864 }
1857 1865
1858 1866 static void
1859 1867 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
1860 1868 {
1861 1869 int i;
1862 1870
1863 1871 for (i = 0; i < nbps; i++)
1864 1872 zdb_print_blkptr(&bp[i], flags);
1865 1873 }
1866 1874
1867 1875 static void
1868 1876 zdb_dump_gbh(void *buf, int flags)
1869 1877 {
1870 1878 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
1871 1879 }
1872 1880
1873 1881 static void
1874 1882 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
1875 1883 {
1876 1884 if (flags & ZDB_FLAG_BSWAP)
1877 1885 byteswap_uint64_array(buf, size);
1878 1886 (void) write(2, buf, size);
1879 1887 }
1880 1888
1881 1889 static void
1882 1890 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
1883 1891 {
1884 1892 uint64_t *d = (uint64_t *)buf;
1885 1893 int nwords = size / sizeof (uint64_t);
1886 1894 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
1887 1895 int i, j;
1888 1896 char *hdr, *c;
1889 1897
1890 1898
1891 1899 if (do_bswap)
1892 1900 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
1893 1901 else
1894 1902 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
1895 1903
1896 1904 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
1897 1905
1898 1906 for (i = 0; i < nwords; i += 2) {
1899 1907 (void) printf("%06llx: %016llx %016llx ",
1900 1908 (u_longlong_t)(i * sizeof (uint64_t)),
1901 1909 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
1902 1910 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
1903 1911
1904 1912 c = (char *)&d[i];
1905 1913 for (j = 0; j < 2 * sizeof (uint64_t); j++)
1906 1914 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
1907 1915 (void) printf("\n");
1908 1916 }
1909 1917 }
1910 1918
1911 1919 /*
1912 1920 * There are two acceptable formats:
1913 1921 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
1914 1922 * child[.child]* - For example: 0.1.1
1915 1923 *
1916 1924 * The second form can be used to specify arbitrary vdevs anywhere
1917 1925 * in the heirarchy. For example, in a pool with a mirror of
1918 1926 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
1919 1927 */
1920 1928 static vdev_t *
1921 1929 zdb_vdev_lookup(vdev_t *vdev, char *path)
1922 1930 {
1923 1931 char *s, *p, *q;
1924 1932 int i;
1925 1933
1926 1934 if (vdev == NULL)
1927 1935 return (NULL);
1928 1936
1929 1937 /* First, assume the x.x.x.x format */
1930 1938 i = (int)strtoul(path, &s, 10);
1931 1939 if (s == path || (s && *s != '.' && *s != '\0'))
1932 1940 goto name;
1933 1941 if (i < 0 || i >= vdev->vdev_children)
1934 1942 return (NULL);
1935 1943
1936 1944 vdev = vdev->vdev_child[i];
1937 1945 if (*s == '\0')
1938 1946 return (vdev);
1939 1947 return (zdb_vdev_lookup(vdev, s+1));
1940 1948
1941 1949 name:
1942 1950 for (i = 0; i < vdev->vdev_children; i++) {
1943 1951 vdev_t *vc = vdev->vdev_child[i];
1944 1952
1945 1953 if (vc->vdev_path == NULL) {
1946 1954 vc = zdb_vdev_lookup(vc, path);
1947 1955 if (vc == NULL)
1948 1956 continue;
1949 1957 else
1950 1958 return (vc);
1951 1959 }
1952 1960
1953 1961 p = strrchr(vc->vdev_path, '/');
1954 1962 p = p ? p + 1 : vc->vdev_path;
1955 1963 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
1956 1964
1957 1965 if (strcmp(vc->vdev_path, path) == 0)
1958 1966 return (vc);
1959 1967 if (strcmp(p, path) == 0)
1960 1968 return (vc);
1961 1969 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
1962 1970 return (vc);
1963 1971 }
1964 1972
1965 1973 return (NULL);
1966 1974 }
1967 1975
1968 1976 /*
1969 1977 * Read a block from a pool and print it out. The syntax of the
1970 1978 * block descriptor is:
1971 1979 *
1972 1980 * pool:vdev_specifier:offset:size[:flags]
1973 1981 *
1974 1982 * pool - The name of the pool you wish to read from
1975 1983 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
1976 1984 * offset - offset, in hex, in bytes
1977 1985 * size - Amount of data to read, in hex, in bytes
1978 1986 * flags - A string of characters specifying options
1979 1987 * b: Decode a blkptr at given offset within block
1980 1988 * *c: Calculate and display checksums
1981 1989 * *d: Decompress data before dumping
1982 1990 * e: Byteswap data before dumping
1983 1991 * *g: Display data as a gang block header
1984 1992 * *i: Display as an indirect block
1985 1993 * p: Do I/O to physical offset
1986 1994 * r: Dump raw data to stdout
1987 1995 *
1988 1996 * * = not yet implemented
1989 1997 */
1990 1998 static void
1991 1999 zdb_read_block(char *thing, spa_t **spap)
1992 2000 {
1993 2001 spa_t *spa = *spap;
1994 2002 int flags = 0;
1995 2003 uint64_t offset = 0, size = 0, blkptr_offset = 0;
1996 2004 zio_t *zio;
1997 2005 vdev_t *vd;
1998 2006 void *buf;
1999 2007 char *s, *p, *dup, *pool, *vdev, *flagstr;
2000 2008 int i, error, zio_flags;
2001 2009
2002 2010 dup = strdup(thing);
2003 2011 s = strtok(dup, ":");
2004 2012 pool = s ? s : "";
2005 2013 s = strtok(NULL, ":");
2006 2014 vdev = s ? s : "";
2007 2015 s = strtok(NULL, ":");
2008 2016 offset = strtoull(s ? s : "", NULL, 16);
2009 2017 s = strtok(NULL, ":");
2010 2018 size = strtoull(s ? s : "", NULL, 16);
2011 2019 s = strtok(NULL, ":");
2012 2020 flagstr = s ? s : "";
2013 2021
2014 2022 s = NULL;
2015 2023 if (size == 0)
2016 2024 s = "size must not be zero";
2017 2025 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2018 2026 s = "size must be a multiple of sector size";
2019 2027 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2020 2028 s = "offset must be a multiple of sector size";
2021 2029 if (s) {
2022 2030 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2023 2031 free(dup);
2024 2032 return;
2025 2033 }
2026 2034
2027 2035 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2028 2036 for (i = 0; flagstr[i]; i++) {
2029 2037 int bit = flagbits[(uchar_t)flagstr[i]];
2030 2038
2031 2039 if (bit == 0) {
2032 2040 (void) printf("***Invalid flag: %c\n",
2033 2041 flagstr[i]);
2034 2042 continue;
2035 2043 }
2036 2044 flags |= bit;
2037 2045
2038 2046 /* If it's not something with an argument, keep going */
2039 2047 if ((bit & (ZDB_FLAG_CHECKSUM | ZDB_FLAG_DECOMPRESS |
2040 2048 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2041 2049 continue;
2042 2050
2043 2051 p = &flagstr[i + 1];
2044 2052 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2045 2053 blkptr_offset = strtoull(p, &p, 16);
2046 2054 if (*p != ':' && *p != '\0') {
2047 2055 (void) printf("***Invalid flag arg: '%s'\n", s);
2048 2056 free(dup);
2049 2057 return;
2050 2058 }
2051 2059 }
2052 2060 }
2053 2061
2054 2062 if (spa == NULL || strcmp(spa_name(spa), pool) != 0) {
2055 2063 if (spa)
2056 2064 spa_close(spa, (void *)zdb_read_block);
2057 2065 error = spa_open(pool, spap, (void *)zdb_read_block);
2058 2066 if (error)
2059 2067 fatal("Failed to open pool '%s': %s",
2060 2068 pool, strerror(error));
2061 2069 spa = *spap;
2062 2070 }
2063 2071
2064 2072 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2065 2073 if (vd == NULL) {
2066 2074 (void) printf("***Invalid vdev: %s\n", vdev);
2067 2075 free(dup);
2068 2076 return;
2069 2077 } else {
2070 2078 if (vd->vdev_path)
2071 2079 (void) printf("Found vdev: %s\n", vd->vdev_path);
2072 2080 else
2073 2081 (void) printf("Found vdev type: %s\n",
2074 2082 vd->vdev_ops->vdev_op_type);
2075 2083 }
2076 2084
2077 2085 buf = umem_alloc(size, UMEM_NOFAIL);
2078 2086
2079 2087 zio_flags = ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2080 2088 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY;
2081 2089
2082 2090 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2083 2091 zio = zio_root(spa, NULL, NULL, 0);
2084 2092 /* XXX todo - cons up a BP so RAID-Z will be happy */
2085 2093 zio_nowait(zio_vdev_child_io(zio, NULL, vd, offset, buf, size,
2086 2094 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, zio_flags, NULL, NULL));
2087 2095 error = zio_wait(zio);
2088 2096 spa_config_exit(spa, SCL_STATE, FTAG);
2089 2097
2090 2098 if (error) {
2091 2099 (void) printf("Read of %s failed, error: %d\n", thing, error);
2092 2100 goto out;
2093 2101 }
2094 2102
2095 2103 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2096 2104 zdb_print_blkptr((blkptr_t *)(void *)
2097 2105 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2098 2106 else if (flags & ZDB_FLAG_RAW)
2099 2107 zdb_dump_block_raw(buf, size, flags);
2100 2108 else if (flags & ZDB_FLAG_INDIRECT)
2101 2109 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2102 2110 flags);
2103 2111 else if (flags & ZDB_FLAG_GBH)
2104 2112 zdb_dump_gbh(buf, flags);
2105 2113 else
2106 2114 zdb_dump_block(thing, buf, size, flags);
2107 2115
2108 2116 out:
2109 2117 umem_free(buf, size);
2110 2118 free(dup);
2111 2119 }
2112 2120
2113 2121 static boolean_t
2114 2122 nvlist_string_match(nvlist_t *config, char *name, char *tgt)
2115 2123 {
2116 2124 char *s;
2117 2125
2118 2126 if (nvlist_lookup_string(config, name, &s) != 0)
2119 2127 return (B_FALSE);
2120 2128
2121 2129 return (strcmp(s, tgt) == 0);
2122 2130 }
2123 2131
2124 2132 static boolean_t
2125 2133 nvlist_uint64_match(nvlist_t *config, char *name, uint64_t tgt)
2126 2134 {
2127 2135 uint64_t val;
2128 2136
2129 2137 if (nvlist_lookup_uint64(config, name, &val) != 0)
2130 2138 return (B_FALSE);
2131 2139
2132 2140 return (val == tgt);
2133 2141 }
2134 2142
2135 2143 static boolean_t
2136 2144 vdev_child_guid_match(nvlist_t *vdev, uint64_t guid)
2137 2145 {
2138 2146 nvlist_t **child;
2139 2147 uint_t c, children;
2140 2148
2141 2149 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN,
2142 2150 &child, &children) == 0);
2143 2151 for (c = 0; c < children; ++c)
2144 2152 if (nvlist_uint64_match(child[c], ZPOOL_CONFIG_GUID, guid))
2145 2153 return (B_TRUE);
2146 2154 return (B_FALSE);
2147 2155 }
2148 2156
2149 2157 static boolean_t
2150 2158 vdev_child_string_match(nvlist_t *vdev, char *tgt)
2151 2159 {
2152 2160 nvlist_t **child;
2153 2161 uint_t c, children;
2154 2162
2155 2163 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN,
2156 2164 &child, &children) == 0);
2157 2165 for (c = 0; c < children; ++c) {
2158 2166 if (nvlist_string_match(child[c], ZPOOL_CONFIG_PATH, tgt) ||
2159 2167 nvlist_string_match(child[c], ZPOOL_CONFIG_DEVID, tgt))
2160 2168 return (B_TRUE);
2161 2169 }
2162 2170 return (B_FALSE);
2163 2171 }
2164 2172
2165 2173 static boolean_t
2166 2174 vdev_guid_match(nvlist_t *config, uint64_t guid)
2167 2175 {
2168 2176 nvlist_t *nvroot;
2169 2177
2170 2178 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2171 2179 &nvroot) == 0);
2172 2180
2173 2181 return (nvlist_uint64_match(nvroot, ZPOOL_CONFIG_GUID, guid) ||
2174 2182 vdev_child_guid_match(nvroot, guid));
2175 2183 }
2176 2184
2177 2185 static boolean_t
2178 2186 vdev_string_match(nvlist_t *config, char *tgt)
2179 2187 {
2180 2188 nvlist_t *nvroot;
2181 2189
2182 2190 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2183 2191 &nvroot) == 0);
2184 2192
2185 2193 return (vdev_child_string_match(nvroot, tgt));
2186 2194 }
2187 2195
2188 2196 static boolean_t
2189 2197 pool_match(nvlist_t *config, char *tgt)
2190 2198 {
2191 2199 uint64_t guid = strtoull(tgt, NULL, 0);
2192 2200
2193 2201 if (guid != 0) {
2194 2202 return (
2195 2203 nvlist_uint64_match(config, ZPOOL_CONFIG_POOL_GUID, guid) ||
2196 2204 vdev_guid_match(config, guid));
2197 2205 } else {
2198 2206 return (
2199 2207 nvlist_string_match(config, ZPOOL_CONFIG_POOL_NAME, tgt) ||
2200 2208 vdev_string_match(config, tgt));
2201 2209 }
2202 2210 }
2203 2211
2204 2212 static int
2205 2213 find_exported_zpool(char *pool_id, nvlist_t **configp, char *vdev_dir)
2206 2214 {
2207 2215 nvlist_t *pools;
2208 2216 int error = ENOENT;
2209 2217 nvlist_t *match = NULL;
2210 2218
2211 2219 if (vdev_dir != NULL)
2212 2220 pools = zpool_find_import_activeok(g_zfs, 1, &vdev_dir);
2213 2221 else
2214 2222 pools = zpool_find_import_activeok(g_zfs, 0, NULL);
2215 2223
2216 2224 if (pools != NULL) {
2217 2225 nvpair_t *elem = NULL;
2218 2226
2219 2227 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2220 2228 verify(nvpair_value_nvlist(elem, configp) == 0);
2221 2229 if (pool_match(*configp, pool_id)) {
2222 2230 if (match != NULL) {
2223 2231 (void) fatal(
2224 2232 "More than one matching pool - "
2225 2233 "specify guid/devid/device path.");
2226 2234 } else {
2227 2235 match = *configp;
2228 2236 error = 0;
2229 2237 }
2230 2238 }
2231 2239 }
2232 2240 }
2233 2241
2234 2242 *configp = error ? NULL : match;
2235 2243
2236 2244 return (error);
2237 2245 }
2238 2246
2239 2247 int
2240 2248 main(int argc, char **argv)
2241 2249 {
2242 2250 int i, c;
2243 2251 struct rlimit rl = { 1024, 1024 };
2244 2252 spa_t *spa;
2245 2253 objset_t *os = NULL;
2246 2254 char *endstr;
2247 2255 int dump_all = 1;
2248 2256 int verbose = 0;
2249 2257 int error;
2250 2258 int exported = 0;
2251 2259 char *vdev_dir = NULL;
2252 2260
2253 2261 (void) setrlimit(RLIMIT_NOFILE, &rl);
2254 2262 (void) enable_extended_FILE_stdio(-1, -1);
2255 2263
2256 2264 dprintf_setup(&argc, argv);
2257 2265
2258 2266 while ((c = getopt(argc, argv, "udibcsvCLS:U:lRep:t:")) != -1) {
2259 2267 switch (c) {
2260 2268 case 'u':
2261 2269 case 'd':
2262 2270 case 'i':
2263 2271 case 'b':
2264 2272 case 'c':
2265 2273 case 's':
2266 2274 case 'C':
2267 2275 case 'l':
2268 2276 case 'R':
2269 2277 dump_opt[c]++;
2270 2278 dump_all = 0;
2271 2279 break;
2272 2280 case 'L':
2273 2281 dump_opt[c]++;
2274 2282 break;
2275 2283 case 'v':
2276 2284 verbose++;
2277 2285 break;
2278 2286 case 'U':
2279 2287 spa_config_path = optarg;
2280 2288 break;
2281 2289 case 'e':
2282 2290 exported = 1;
2283 2291 break;
2284 2292 case 'p':
2285 2293 vdev_dir = optarg;
2286 2294 break;
2287 2295 case 'S':
2288 2296 dump_opt[c]++;
2289 2297 dump_all = 0;
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2290 2298 zdb_sig_user_data = (strncmp(optarg, "user:", 5) == 0);
2291 2299 if (!zdb_sig_user_data && strncmp(optarg, "all:", 4))
2292 2300 usage();
2293 2301 endstr = strchr(optarg, ':') + 1;
2294 2302 if (strcmp(endstr, "fletcher2") == 0)
2295 2303 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2;
2296 2304 else if (strcmp(endstr, "fletcher4") == 0)
2297 2305 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_4;
2298 2306 else if (strcmp(endstr, "sha256") == 0)
2299 2307 zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256;
2308 + else if (strcmp(endstr, "sha256+mac") == 0)
2309 + zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256_MAC;
2300 2310 else if (strcmp(endstr, "all") == 0)
2301 2311 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2;
2302 2312 else
2303 2313 usage();
2304 2314 break;
2305 2315 case 't':
2306 2316 ub_max_txg = strtoull(optarg, NULL, 0);
2307 2317 if (ub_max_txg < TXG_INITIAL) {
2308 2318 (void) fprintf(stderr, "incorrect txg "
2309 2319 "specified: %s\n", optarg);
2310 2320 usage();
2311 2321 }
2312 2322 break;
2313 2323 default:
2314 2324 usage();
2315 2325 break;
2316 2326 }
2317 2327 }
2318 2328
2319 2329 if (vdev_dir != NULL && exported == 0) {
2320 2330 (void) fprintf(stderr, "-p option requires use of -e\n");
2321 2331 usage();
2322 2332 }
2323 2333
2324 2334 kernel_init(FREAD);
2325 2335 g_zfs = libzfs_init();
2326 2336 ASSERT(g_zfs != NULL);
2327 2337
2328 2338 for (c = 0; c < 256; c++) {
2329 2339 if (dump_all && c != 'l' && c != 'R')
2330 2340 dump_opt[c] = 1;
2331 2341 if (dump_opt[c])
2332 2342 dump_opt[c] += verbose;
2333 2343 }
2334 2344
2335 2345 argc -= optind;
2336 2346 argv += optind;
2337 2347
2338 2348 if (argc < 1) {
2339 2349 if (dump_opt['C']) {
2340 2350 dump_cachefile(spa_config_path);
2341 2351 return (0);
2342 2352 }
2343 2353 usage();
2344 2354 }
2345 2355
2346 2356 if (dump_opt['l']) {
2347 2357 dump_label(argv[0]);
2348 2358 return (0);
2349 2359 }
2350 2360
2351 2361 if (dump_opt['R']) {
2352 2362 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
2353 2363 flagbits['c'] = ZDB_FLAG_CHECKSUM;
2354 2364 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
2355 2365 flagbits['e'] = ZDB_FLAG_BSWAP;
2356 2366 flagbits['g'] = ZDB_FLAG_GBH;
2357 2367 flagbits['i'] = ZDB_FLAG_INDIRECT;
2358 2368 flagbits['p'] = ZDB_FLAG_PHYS;
2359 2369 flagbits['r'] = ZDB_FLAG_RAW;
2360 2370
2361 2371 spa = NULL;
2362 2372 while (argv[0]) {
2363 2373 zdb_read_block(argv[0], &spa);
2364 2374 argv++;
2365 2375 argc--;
2366 2376 }
2367 2377 if (spa)
2368 2378 spa_close(spa, (void *)zdb_read_block);
2369 2379 return (0);
2370 2380 }
2371 2381
2372 2382 if (dump_opt['C'])
2373 2383 dump_config(argv[0]);
2374 2384
2375 2385 error = 0;
2376 2386 if (exported) {
2377 2387 /*
2378 2388 * Check to see if the name refers to an exported zpool
2379 2389 */
2380 2390 char *slash;
2381 2391 nvlist_t *exported_conf = NULL;
2382 2392
2383 2393 if ((slash = strchr(argv[0], '/')) != NULL)
2384 2394 *slash = '\0';
2385 2395
2386 2396 error = find_exported_zpool(argv[0], &exported_conf, vdev_dir);
2387 2397 if (error == 0) {
2388 2398 nvlist_t *nvl = NULL;
2389 2399
2390 2400 if (vdev_dir != NULL) {
2391 2401 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
2392 2402 error = ENOMEM;
2393 2403 else if (nvlist_add_string(nvl,
2394 2404 zpool_prop_to_name(ZPOOL_PROP_ALTROOT),
2395 2405 vdev_dir) != 0)
2396 2406 error = ENOMEM;
2397 2407 }
2398 2408
2399 2409 if (error == 0)
2400 2410 error = spa_import_faulted(argv[0],
2401 2411 exported_conf, nvl);
2402 2412
2403 2413 nvlist_free(nvl);
2404 2414 }
2405 2415
2406 2416 if (slash != NULL)
2407 2417 *slash = '/';
2408 2418 }
2409 2419
2410 2420 if (error == 0) {
2411 2421 if (strchr(argv[0], '/') != NULL) {
2412 2422 error = dmu_objset_open(argv[0], DMU_OST_ANY,
2413 2423 DS_MODE_USER | DS_MODE_READONLY, &os);
2414 2424 } else {
2415 2425 error = spa_open(argv[0], &spa, FTAG);
2416 2426 }
2417 2427 }
2418 2428
2419 2429 if (error)
2420 2430 fatal("can't open %s: %s", argv[0], strerror(error));
2421 2431
2422 2432 argv++;
2423 2433 if (--argc > 0) {
2424 2434 zopt_objects = argc;
2425 2435 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
2426 2436 for (i = 0; i < zopt_objects; i++) {
2427 2437 errno = 0;
2428 2438 zopt_object[i] = strtoull(argv[i], NULL, 0);
2429 2439 if (zopt_object[i] == 0 && errno != 0)
2430 2440 fatal("bad object number %s: %s",
2431 2441 argv[i], strerror(errno));
2432 2442 }
2433 2443 }
2434 2444
2435 2445 if (os != NULL) {
2436 2446 dump_dir(os);
2437 2447 dmu_objset_close(os);
2438 2448 } else {
2439 2449 dump_zpool(spa);
2440 2450 spa_close(spa, FTAG);
2441 2451 }
2442 2452
2443 2453 fuid_table_destroy();
2444 2454
2445 2455 libzfs_fini(g_zfs);
2446 2456 kernel_fini();
2447 2457
2448 2458 return (0);
2449 2459 }
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