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 https://opensource.org/licenses/CDDL-1.0.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Copyright (c) 2012 Cyril Plisko. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /*
28 * Copyright (c) 2013, 2017 by Delphix. All rights reserved.
29 */
30
31 /*
32 * Print intent log header and statistics.
33 */
34
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <ctype.h>
38 #include <sys/zfs_context.h>
39 #include <sys/spa.h>
40 #include <sys/dmu.h>
41 #include <sys/stat.h>
42 #include <sys/resource.h>
43 #include <sys/zil.h>
44 #include <sys/zil_impl.h>
45 #include <sys/spa_impl.h>
46 #include <sys/abd.h>
47
48 #include "zdb.h"
49
50 extern uint8_t dump_opt[256];
51
52 static char tab_prefix[4] = "\t\t\t";
53
54 static void
print_log_bp(const blkptr_t * bp,const char * prefix)55 print_log_bp(const blkptr_t *bp, const char *prefix)
56 {
57 char blkbuf[BP_SPRINTF_LEN];
58
59 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
60 (void) printf("%s%s\n", prefix, blkbuf);
61 }
62
63 static void
zil_prt_rec_create(zilog_t * zilog,int txtype,const void * arg)64 zil_prt_rec_create(zilog_t *zilog, int txtype, const void *arg)
65 {
66 (void) zilog;
67 const lr_create_t *lr = arg;
68 time_t crtime = lr->lr_crtime[0];
69 char *name, *link;
70 lr_attr_t *lrattr;
71
72 name = (char *)(lr + 1);
73
74 if (lr->lr_common.lrc_txtype == TX_CREATE_ATTR ||
75 lr->lr_common.lrc_txtype == TX_MKDIR_ATTR) {
76 lrattr = (lr_attr_t *)(lr + 1);
77 name += ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
78 }
79
80 if (txtype == TX_SYMLINK) {
81 link = name + strlen(name) + 1;
82 (void) printf("%s%s -> %s\n", tab_prefix, name, link);
83 } else if (txtype != TX_MKXATTR) {
84 (void) printf("%s%s\n", tab_prefix, name);
85 }
86
87 (void) printf("%s%s", tab_prefix, ctime(&crtime));
88 (void) printf("%sdoid %llu, foid %llu, slots %llu, mode %llo\n",
89 tab_prefix, (u_longlong_t)lr->lr_doid,
90 (u_longlong_t)LR_FOID_GET_OBJ(lr->lr_foid),
91 (u_longlong_t)LR_FOID_GET_SLOTS(lr->lr_foid),
92 (longlong_t)lr->lr_mode);
93 (void) printf("%suid %llu, gid %llu, gen %llu, rdev 0x%llx\n",
94 tab_prefix,
95 (u_longlong_t)lr->lr_uid, (u_longlong_t)lr->lr_gid,
96 (u_longlong_t)lr->lr_gen, (u_longlong_t)lr->lr_rdev);
97 }
98
99 static void
zil_prt_rec_remove(zilog_t * zilog,int txtype,const void * arg)100 zil_prt_rec_remove(zilog_t *zilog, int txtype, const void *arg)
101 {
102 (void) zilog, (void) txtype;
103 const lr_remove_t *lr = arg;
104
105 (void) printf("%sdoid %llu, name %s\n", tab_prefix,
106 (u_longlong_t)lr->lr_doid, (char *)(lr + 1));
107 }
108
109 static void
zil_prt_rec_link(zilog_t * zilog,int txtype,const void * arg)110 zil_prt_rec_link(zilog_t *zilog, int txtype, const void *arg)
111 {
112 (void) zilog, (void) txtype;
113 const lr_link_t *lr = arg;
114
115 (void) printf("%sdoid %llu, link_obj %llu, name %s\n", tab_prefix,
116 (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_link_obj,
117 (char *)(lr + 1));
118 }
119
120 static void
zil_prt_rec_rename(zilog_t * zilog,int txtype,const void * arg)121 zil_prt_rec_rename(zilog_t *zilog, int txtype, const void *arg)
122 {
123 (void) zilog, (void) txtype;
124 const lr_rename_t *lr = arg;
125 char *snm = (char *)(lr + 1);
126 char *tnm = snm + strlen(snm) + 1;
127
128 (void) printf("%ssdoid %llu, tdoid %llu\n", tab_prefix,
129 (u_longlong_t)lr->lr_sdoid, (u_longlong_t)lr->lr_tdoid);
130 (void) printf("%ssrc %s tgt %s\n", tab_prefix, snm, tnm);
131 switch (txtype) {
132 case TX_RENAME_EXCHANGE:
133 (void) printf("%sflags RENAME_EXCHANGE\n", tab_prefix);
134 break;
135 case TX_RENAME_WHITEOUT:
136 (void) printf("%sflags RENAME_WHITEOUT\n", tab_prefix);
137 break;
138 }
139 }
140
141 static int
zil_prt_rec_write_cb(void * data,size_t len,void * unused)142 zil_prt_rec_write_cb(void *data, size_t len, void *unused)
143 {
144 (void) unused;
145 char *cdata = data;
146
147 for (size_t i = 0; i < len; i++) {
148 if (isprint(*cdata))
149 (void) printf("%c ", *cdata);
150 else
151 (void) printf("%2X", *cdata);
152 cdata++;
153 }
154 return (0);
155 }
156
157 static void
zil_prt_rec_write(zilog_t * zilog,int txtype,const void * arg)158 zil_prt_rec_write(zilog_t *zilog, int txtype, const void *arg)
159 {
160 const lr_write_t *lr = arg;
161 abd_t *data;
162 const blkptr_t *bp = &lr->lr_blkptr;
163 zbookmark_phys_t zb;
164 int verbose = MAX(dump_opt['d'], dump_opt['i']);
165 int error;
166
167 (void) printf("%sfoid %llu, offset %llx, length %llx\n", tab_prefix,
168 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_offset,
169 (u_longlong_t)lr->lr_length);
170
171 if (txtype == TX_WRITE2 || verbose < 4)
172 return;
173
174 if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) {
175 (void) printf("%shas blkptr, %s\n", tab_prefix,
176 !BP_IS_HOLE(bp) && BP_GET_LOGICAL_BIRTH(bp) >=
177 spa_min_claim_txg(zilog->zl_spa) ?
178 "will claim" : "won't claim");
179 print_log_bp(bp, tab_prefix);
180
181 if (verbose < 5)
182 return;
183 if (BP_IS_HOLE(bp)) {
184 (void) printf("\t\t\tLSIZE 0x%llx\n",
185 (u_longlong_t)BP_GET_LSIZE(bp));
186 (void) printf("%s<hole>\n", tab_prefix);
187 return;
188 }
189 if (BP_GET_LOGICAL_BIRTH(bp) < zilog->zl_header->zh_claim_txg) {
190 (void) printf("%s<block already committed>\n",
191 tab_prefix);
192 return;
193 }
194
195 ASSERT3U(BP_GET_LSIZE(bp), !=, 0);
196 SET_BOOKMARK(&zb, dmu_objset_id(zilog->zl_os),
197 lr->lr_foid, ZB_ZIL_LEVEL,
198 lr->lr_offset / BP_GET_LSIZE(bp));
199
200 data = abd_alloc(BP_GET_LSIZE(bp), B_FALSE);
201 error = zio_wait(zio_read(NULL, zilog->zl_spa,
202 bp, data, BP_GET_LSIZE(bp), NULL, NULL,
203 ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb));
204 if (error)
205 goto out;
206 } else {
207 if (verbose < 5)
208 return;
209
210 /* data is stored after the end of the lr_write record */
211 data = abd_alloc(lr->lr_length, B_FALSE);
212 abd_copy_from_buf(data, lr + 1, lr->lr_length);
213 }
214
215 (void) printf("%s", tab_prefix);
216 (void) abd_iterate_func(data,
217 0, MIN(lr->lr_length, (verbose < 6 ? 20 : SPA_MAXBLOCKSIZE)),
218 zil_prt_rec_write_cb, NULL);
219 (void) printf("\n");
220
221 out:
222 abd_free(data);
223 }
224
225 static void
zil_prt_rec_write_enc(zilog_t * zilog,int txtype,const void * arg)226 zil_prt_rec_write_enc(zilog_t *zilog, int txtype, const void *arg)
227 {
228 (void) txtype;
229 const lr_write_t *lr = arg;
230 const blkptr_t *bp = &lr->lr_blkptr;
231 int verbose = MAX(dump_opt['d'], dump_opt['i']);
232
233 (void) printf("%s(encrypted)\n", tab_prefix);
234
235 if (verbose < 4)
236 return;
237
238 if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) {
239 (void) printf("%shas blkptr, %s\n", tab_prefix,
240 !BP_IS_HOLE(bp) && BP_GET_LOGICAL_BIRTH(bp) >=
241 spa_min_claim_txg(zilog->zl_spa) ?
242 "will claim" : "won't claim");
243 print_log_bp(bp, tab_prefix);
244 }
245 }
246
247 static void
zil_prt_rec_truncate(zilog_t * zilog,int txtype,const void * arg)248 zil_prt_rec_truncate(zilog_t *zilog, int txtype, const void *arg)
249 {
250 (void) zilog, (void) txtype;
251 const lr_truncate_t *lr = arg;
252
253 (void) printf("%sfoid %llu, offset 0x%llx, length 0x%llx\n", tab_prefix,
254 (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset,
255 (u_longlong_t)lr->lr_length);
256 }
257
258 static void
zil_prt_rec_setattr(zilog_t * zilog,int txtype,const void * arg)259 zil_prt_rec_setattr(zilog_t *zilog, int txtype, const void *arg)
260 {
261 (void) zilog, (void) txtype;
262 const lr_setattr_t *lr = arg;
263 time_t atime = (time_t)lr->lr_atime[0];
264 time_t mtime = (time_t)lr->lr_mtime[0];
265
266 (void) printf("%sfoid %llu, mask 0x%llx\n", tab_prefix,
267 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask);
268
269 if (lr->lr_mask & AT_MODE) {
270 (void) printf("%sAT_MODE %llo\n", tab_prefix,
271 (longlong_t)lr->lr_mode);
272 }
273
274 if (lr->lr_mask & AT_UID) {
275 (void) printf("%sAT_UID %llu\n", tab_prefix,
276 (u_longlong_t)lr->lr_uid);
277 }
278
279 if (lr->lr_mask & AT_GID) {
280 (void) printf("%sAT_GID %llu\n", tab_prefix,
281 (u_longlong_t)lr->lr_gid);
282 }
283
284 if (lr->lr_mask & AT_SIZE) {
285 (void) printf("%sAT_SIZE %llu\n", tab_prefix,
286 (u_longlong_t)lr->lr_size);
287 }
288
289 if (lr->lr_mask & AT_ATIME) {
290 (void) printf("%sAT_ATIME %llu.%09llu %s", tab_prefix,
291 (u_longlong_t)lr->lr_atime[0],
292 (u_longlong_t)lr->lr_atime[1],
293 ctime(&atime));
294 }
295
296 if (lr->lr_mask & AT_MTIME) {
297 (void) printf("%sAT_MTIME %llu.%09llu %s", tab_prefix,
298 (u_longlong_t)lr->lr_mtime[0],
299 (u_longlong_t)lr->lr_mtime[1],
300 ctime(&mtime));
301 }
302 }
303
304 static void
zil_prt_rec_setsaxattr(zilog_t * zilog,int txtype,const void * arg)305 zil_prt_rec_setsaxattr(zilog_t *zilog, int txtype, const void *arg)
306 {
307 (void) zilog, (void) txtype;
308 const lr_setsaxattr_t *lr = arg;
309
310 char *name = (char *)(lr + 1);
311 (void) printf("%sfoid %llu\n", tab_prefix,
312 (u_longlong_t)lr->lr_foid);
313
314 (void) printf("%sXAT_NAME %s\n", tab_prefix, name);
315 if (lr->lr_size == 0) {
316 (void) printf("%sXAT_VALUE NULL\n", tab_prefix);
317 } else {
318 (void) printf("%sXAT_VALUE ", tab_prefix);
319 char *val = name + (strlen(name) + 1);
320 for (int i = 0; i < lr->lr_size; i++) {
321 (void) printf("%c", *val);
322 val++;
323 }
324 }
325 }
326
327 static void
zil_prt_rec_acl(zilog_t * zilog,int txtype,const void * arg)328 zil_prt_rec_acl(zilog_t *zilog, int txtype, const void *arg)
329 {
330 (void) zilog, (void) txtype;
331 const lr_acl_t *lr = arg;
332
333 (void) printf("%sfoid %llu, aclcnt %llu\n", tab_prefix,
334 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt);
335 }
336
337 static void
zil_prt_rec_clone_range(zilog_t * zilog,int txtype,const void * arg)338 zil_prt_rec_clone_range(zilog_t *zilog, int txtype, const void *arg)
339 {
340 (void) zilog, (void) txtype;
341 const lr_clone_range_t *lr = arg;
342 int verbose = MAX(dump_opt['d'], dump_opt['i']);
343
344 (void) printf("%sfoid %llu, offset %llx, length %llx, blksize %llx\n",
345 tab_prefix, (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_offset,
346 (u_longlong_t)lr->lr_length, (u_longlong_t)lr->lr_blksz);
347
348 if (verbose < 4)
349 return;
350
351 for (unsigned int i = 0; i < lr->lr_nbps; i++) {
352 (void) printf("%s[%u/%llu] ", tab_prefix, i + 1,
353 (u_longlong_t)lr->lr_nbps);
354 print_log_bp(&lr->lr_bps[i], "");
355 }
356 }
357
358 static void
zil_prt_rec_clone_range_enc(zilog_t * zilog,int txtype,const void * arg)359 zil_prt_rec_clone_range_enc(zilog_t *zilog, int txtype, const void *arg)
360 {
361 (void) zilog, (void) txtype;
362 const lr_clone_range_t *lr = arg;
363 int verbose = MAX(dump_opt['d'], dump_opt['i']);
364
365 (void) printf("%s(encrypted)\n", tab_prefix);
366
367 if (verbose < 4)
368 return;
369
370 for (unsigned int i = 0; i < lr->lr_nbps; i++) {
371 (void) printf("%s[%u/%llu] ", tab_prefix, i + 1,
372 (u_longlong_t)lr->lr_nbps);
373 print_log_bp(&lr->lr_bps[i], "");
374 }
375 }
376
377 typedef void (*zil_prt_rec_func_t)(zilog_t *, int, const void *);
378 typedef struct zil_rec_info {
379 zil_prt_rec_func_t zri_print;
380 zil_prt_rec_func_t zri_print_enc;
381 const char *zri_name;
382 uint64_t zri_count;
383 } zil_rec_info_t;
384
385 static zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = {
386 {.zri_print = NULL, .zri_name = "Total "},
387 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE "},
388 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR "},
389 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKXATTR "},
390 {.zri_print = zil_prt_rec_create, .zri_name = "TX_SYMLINK "},
391 {.zri_print = zil_prt_rec_remove, .zri_name = "TX_REMOVE "},
392 {.zri_print = zil_prt_rec_remove, .zri_name = "TX_RMDIR "},
393 {.zri_print = zil_prt_rec_link, .zri_name = "TX_LINK "},
394 {.zri_print = zil_prt_rec_rename, .zri_name = "TX_RENAME "},
395 {.zri_print = zil_prt_rec_write,
396 .zri_print_enc = zil_prt_rec_write_enc,
397 .zri_name = "TX_WRITE "},
398 {.zri_print = zil_prt_rec_truncate, .zri_name = "TX_TRUNCATE "},
399 {.zri_print = zil_prt_rec_setattr, .zri_name = "TX_SETATTR "},
400 {.zri_print = zil_prt_rec_acl, .zri_name = "TX_ACL_V0 "},
401 {.zri_print = zil_prt_rec_acl, .zri_name = "TX_ACL_ACL "},
402 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ACL "},
403 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ATTR "},
404 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ACL_ATTR "},
405 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ACL "},
406 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ATTR "},
407 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ACL_ATTR "},
408 {.zri_print = zil_prt_rec_write, .zri_name = "TX_WRITE2 "},
409 {.zri_print = zil_prt_rec_setsaxattr,
410 .zri_name = "TX_SETSAXATTR "},
411 {.zri_print = zil_prt_rec_rename, .zri_name = "TX_RENAME_EXCHANGE "},
412 {.zri_print = zil_prt_rec_rename, .zri_name = "TX_RENAME_WHITEOUT "},
413 {.zri_print = zil_prt_rec_clone_range,
414 .zri_print_enc = zil_prt_rec_clone_range_enc,
415 .zri_name = "TX_CLONE_RANGE "},
416 };
417
418 static int
print_log_record(zilog_t * zilog,const lr_t * lr,void * arg,uint64_t claim_txg)419 print_log_record(zilog_t *zilog, const lr_t *lr, void *arg, uint64_t claim_txg)
420 {
421 (void) arg, (void) claim_txg;
422 int txtype;
423 int verbose = MAX(dump_opt['d'], dump_opt['i']);
424
425 /* reduce size of txtype to strip off TX_CI bit */
426 txtype = lr->lrc_txtype;
427
428 ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE);
429 ASSERT(lr->lrc_txg);
430
431 (void) printf("\t\t%s%s len %6llu, txg %llu, seq %llu\n",
432 (lr->lrc_txtype & TX_CI) ? "CI-" : "",
433 zil_rec_info[txtype].zri_name,
434 (u_longlong_t)lr->lrc_reclen,
435 (u_longlong_t)lr->lrc_txg,
436 (u_longlong_t)lr->lrc_seq);
437
438 if (txtype && verbose >= 3) {
439 if (!zilog->zl_os->os_encrypted) {
440 zil_rec_info[txtype].zri_print(zilog, txtype, lr);
441 } else if (zil_rec_info[txtype].zri_print_enc) {
442 zil_rec_info[txtype].zri_print_enc(zilog, txtype, lr);
443 } else {
444 (void) printf("%s(encrypted)\n", tab_prefix);
445 }
446 }
447
448 zil_rec_info[txtype].zri_count++;
449 zil_rec_info[0].zri_count++;
450
451 return (0);
452 }
453
454 static int
print_log_block(zilog_t * zilog,const blkptr_t * bp,void * arg,uint64_t claim_txg)455 print_log_block(zilog_t *zilog, const blkptr_t *bp, void *arg,
456 uint64_t claim_txg)
457 {
458 (void) arg;
459 char blkbuf[BP_SPRINTF_LEN + 10];
460 int verbose = MAX(dump_opt['d'], dump_opt['i']);
461 const char *claim;
462
463 if (verbose <= 3)
464 return (0);
465
466 if (verbose >= 5) {
467 (void) strcpy(blkbuf, ", ");
468 snprintf_blkptr(blkbuf + strlen(blkbuf),
469 sizeof (blkbuf) - strlen(blkbuf), bp);
470 } else {
471 blkbuf[0] = '\0';
472 }
473
474 if (claim_txg != 0)
475 claim = "already claimed";
476 else if (BP_GET_LOGICAL_BIRTH(bp) >= spa_min_claim_txg(zilog->zl_spa))
477 claim = "will claim";
478 else
479 claim = "won't claim";
480
481 (void) printf("\tBlock seqno %llu, %s%s\n",
482 (u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf);
483
484 return (0);
485 }
486
487 static void
print_log_stats(int verbose)488 print_log_stats(int verbose)
489 {
490 unsigned i, w, p10;
491
492 if (verbose > 3)
493 (void) printf("\n");
494
495 if (zil_rec_info[0].zri_count == 0)
496 return;
497
498 for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10)
499 w++;
500
501 for (i = 0; i < TX_MAX_TYPE; i++)
502 if (zil_rec_info[i].zri_count || verbose >= 3)
503 (void) printf("\t\t%s %*llu\n",
504 zil_rec_info[i].zri_name, w,
505 (u_longlong_t)zil_rec_info[i].zri_count);
506 (void) printf("\n");
507 }
508
509 void
dump_intent_log(zilog_t * zilog)510 dump_intent_log(zilog_t *zilog)
511 {
512 const zil_header_t *zh = zilog->zl_header;
513 int verbose = MAX(dump_opt['d'], dump_opt['i']);
514 int i;
515
516 if (BP_IS_HOLE(&zh->zh_log) || verbose < 1)
517 return;
518
519 (void) printf("\n ZIL header: claim_txg %llu, "
520 "claim_blk_seq %llu, claim_lr_seq %llu",
521 (u_longlong_t)zh->zh_claim_txg,
522 (u_longlong_t)zh->zh_claim_blk_seq,
523 (u_longlong_t)zh->zh_claim_lr_seq);
524 (void) printf(" replay_seq %llu, flags 0x%llx\n",
525 (u_longlong_t)zh->zh_replay_seq, (u_longlong_t)zh->zh_flags);
526
527 for (i = 0; i < TX_MAX_TYPE; i++)
528 zil_rec_info[i].zri_count = 0;
529
530 /* see comment in zil_claim() or zil_check_log_chain() */
531 if (zilog->zl_spa->spa_uberblock.ub_checkpoint_txg != 0 &&
532 zh->zh_claim_txg == 0)
533 return;
534
535 if (verbose >= 2) {
536 (void) printf("\n");
537 (void) zil_parse(zilog, print_log_block, print_log_record, NULL,
538 zh->zh_claim_txg, B_FALSE);
539 print_log_stats(verbose);
540 }
541 }
542