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 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 64 zil_prt_rec_create(zilog_t *zilog, int txtype, const void *arg) 65 { 66 (void) zilog; 67 const lr_create_t *lrc = arg; 68 const _lr_create_t *lr = &lrc->lr_create; 69 time_t crtime = lr->lr_crtime[0]; 70 char *name, *link; 71 lr_attr_t *lrattr; 72 73 name = (char *)(lr + 1); 74 75 if (lr->lr_common.lrc_txtype == TX_CREATE_ATTR || 76 lr->lr_common.lrc_txtype == TX_MKDIR_ATTR) { 77 lrattr = (lr_attr_t *)(lr + 1); 78 name += ZIL_XVAT_SIZE(lrattr->lr_attr_masksize); 79 } 80 81 if (txtype == TX_SYMLINK) { 82 link = name + strlen(name) + 1; 83 (void) printf("%s%s -> %s\n", tab_prefix, name, link); 84 } else if (txtype != TX_MKXATTR) { 85 (void) printf("%s%s\n", tab_prefix, name); 86 } 87 88 (void) printf("%s%s", tab_prefix, ctime(&crtime)); 89 (void) printf("%sdoid %llu, foid %llu, slots %llu, mode %llo\n", 90 tab_prefix, (u_longlong_t)lr->lr_doid, 91 (u_longlong_t)LR_FOID_GET_OBJ(lr->lr_foid), 92 (u_longlong_t)LR_FOID_GET_SLOTS(lr->lr_foid), 93 (longlong_t)lr->lr_mode); 94 (void) printf("%suid %llu, gid %llu, gen %llu, rdev 0x%llx\n", 95 tab_prefix, 96 (u_longlong_t)lr->lr_uid, (u_longlong_t)lr->lr_gid, 97 (u_longlong_t)lr->lr_gen, (u_longlong_t)lr->lr_rdev); 98 } 99 100 static void 101 zil_prt_rec_remove(zilog_t *zilog, int txtype, const void *arg) 102 { 103 (void) zilog, (void) txtype; 104 const lr_remove_t *lr = arg; 105 106 (void) printf("%sdoid %llu, name %s\n", tab_prefix, 107 (u_longlong_t)lr->lr_doid, (char *)(lr + 1)); 108 } 109 110 static void 111 zil_prt_rec_link(zilog_t *zilog, int txtype, const void *arg) 112 { 113 (void) zilog, (void) txtype; 114 const lr_link_t *lr = arg; 115 116 (void) printf("%sdoid %llu, link_obj %llu, name %s\n", tab_prefix, 117 (u_longlong_t)lr->lr_doid, (u_longlong_t)lr->lr_link_obj, 118 (char *)(lr + 1)); 119 } 120 121 static void 122 zil_prt_rec_rename(zilog_t *zilog, int txtype, const void *arg) 123 { 124 (void) zilog, (void) txtype; 125 const lr_rename_t *lrr = arg; 126 const _lr_rename_t *lr = &lrr->lr_rename; 127 char *snm = (char *)(lr + 1); 128 char *tnm = snm + strlen(snm) + 1; 129 130 (void) printf("%ssdoid %llu, tdoid %llu\n", tab_prefix, 131 (u_longlong_t)lr->lr_sdoid, (u_longlong_t)lr->lr_tdoid); 132 (void) printf("%ssrc %s tgt %s\n", tab_prefix, snm, tnm); 133 switch (txtype) { 134 case TX_RENAME_EXCHANGE: 135 (void) printf("%sflags RENAME_EXCHANGE\n", tab_prefix); 136 break; 137 case TX_RENAME_WHITEOUT: 138 (void) printf("%sflags RENAME_WHITEOUT\n", tab_prefix); 139 break; 140 } 141 } 142 143 static int 144 zil_prt_rec_write_cb(void *data, size_t len, void *unused) 145 { 146 (void) unused; 147 char *cdata = data; 148 149 for (size_t i = 0; i < len; i++) { 150 if (isprint(*cdata)) 151 (void) printf("%c ", *cdata); 152 else 153 (void) printf("%2X", *cdata); 154 cdata++; 155 } 156 return (0); 157 } 158 159 static void 160 zil_prt_rec_write(zilog_t *zilog, int txtype, const void *arg) 161 { 162 const lr_write_t *lr = arg; 163 abd_t *data; 164 const blkptr_t *bp = &lr->lr_blkptr; 165 zbookmark_phys_t zb; 166 int verbose = MAX(dump_opt['d'], dump_opt['i']); 167 int error; 168 169 (void) printf("%sfoid %llu, offset %llx, length %llx\n", tab_prefix, 170 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_offset, 171 (u_longlong_t)lr->lr_length); 172 173 if (txtype == TX_WRITE2 || verbose < 4) 174 return; 175 176 if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 177 (void) printf("%shas blkptr, %s\n", tab_prefix, 178 !BP_IS_HOLE(bp) && BP_GET_LOGICAL_BIRTH(bp) >= 179 spa_min_claim_txg(zilog->zl_spa) ? 180 "will claim" : "won't claim"); 181 print_log_bp(bp, tab_prefix); 182 183 if (verbose < 5) 184 return; 185 if (BP_IS_HOLE(bp)) { 186 (void) printf("\t\t\tLSIZE 0x%llx\n", 187 (u_longlong_t)BP_GET_LSIZE(bp)); 188 (void) printf("%s<hole>\n", tab_prefix); 189 return; 190 } 191 if (BP_GET_LOGICAL_BIRTH(bp) < zilog->zl_header->zh_claim_txg) { 192 (void) printf("%s<block already committed>\n", 193 tab_prefix); 194 return; 195 } 196 197 ASSERT3U(BP_GET_LSIZE(bp), !=, 0); 198 SET_BOOKMARK(&zb, dmu_objset_id(zilog->zl_os), 199 lr->lr_foid, ZB_ZIL_LEVEL, 200 lr->lr_offset / BP_GET_LSIZE(bp)); 201 202 data = abd_alloc(BP_GET_LSIZE(bp), B_FALSE); 203 error = zio_wait(zio_read(NULL, zilog->zl_spa, 204 bp, data, BP_GET_LSIZE(bp), NULL, NULL, 205 ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb)); 206 if (error) 207 goto out; 208 } else { 209 if (verbose < 5) 210 return; 211 212 /* data is stored after the end of the lr_write record */ 213 data = abd_alloc(lr->lr_length, B_FALSE); 214 abd_copy_from_buf(data, lr + 1, lr->lr_length); 215 } 216 217 (void) printf("%s", tab_prefix); 218 (void) abd_iterate_func(data, 219 0, MIN(lr->lr_length, (verbose < 6 ? 20 : SPA_MAXBLOCKSIZE)), 220 zil_prt_rec_write_cb, NULL); 221 (void) printf("\n"); 222 223 out: 224 abd_free(data); 225 } 226 227 static void 228 zil_prt_rec_write_enc(zilog_t *zilog, int txtype, const void *arg) 229 { 230 (void) txtype; 231 const lr_write_t *lr = arg; 232 const blkptr_t *bp = &lr->lr_blkptr; 233 int verbose = MAX(dump_opt['d'], dump_opt['i']); 234 235 (void) printf("%s(encrypted)\n", tab_prefix); 236 237 if (verbose < 4) 238 return; 239 240 if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 241 (void) printf("%shas blkptr, %s\n", tab_prefix, 242 !BP_IS_HOLE(bp) && BP_GET_LOGICAL_BIRTH(bp) >= 243 spa_min_claim_txg(zilog->zl_spa) ? 244 "will claim" : "won't claim"); 245 print_log_bp(bp, tab_prefix); 246 } 247 } 248 249 static void 250 zil_prt_rec_truncate(zilog_t *zilog, int txtype, const void *arg) 251 { 252 (void) zilog, (void) txtype; 253 const lr_truncate_t *lr = arg; 254 255 (void) printf("%sfoid %llu, offset 0x%llx, length 0x%llx\n", tab_prefix, 256 (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 257 (u_longlong_t)lr->lr_length); 258 } 259 260 static void 261 zil_prt_rec_setattr(zilog_t *zilog, int txtype, const void *arg) 262 { 263 (void) zilog, (void) txtype; 264 const lr_setattr_t *lr = arg; 265 time_t atime = (time_t)lr->lr_atime[0]; 266 time_t mtime = (time_t)lr->lr_mtime[0]; 267 268 (void) printf("%sfoid %llu, mask 0x%llx\n", tab_prefix, 269 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask); 270 271 if (lr->lr_mask & AT_MODE) { 272 (void) printf("%sAT_MODE %llo\n", tab_prefix, 273 (longlong_t)lr->lr_mode); 274 } 275 276 if (lr->lr_mask & AT_UID) { 277 (void) printf("%sAT_UID %llu\n", tab_prefix, 278 (u_longlong_t)lr->lr_uid); 279 } 280 281 if (lr->lr_mask & AT_GID) { 282 (void) printf("%sAT_GID %llu\n", tab_prefix, 283 (u_longlong_t)lr->lr_gid); 284 } 285 286 if (lr->lr_mask & AT_SIZE) { 287 (void) printf("%sAT_SIZE %llu\n", tab_prefix, 288 (u_longlong_t)lr->lr_size); 289 } 290 291 if (lr->lr_mask & AT_ATIME) { 292 (void) printf("%sAT_ATIME %llu.%09llu %s", tab_prefix, 293 (u_longlong_t)lr->lr_atime[0], 294 (u_longlong_t)lr->lr_atime[1], 295 ctime(&atime)); 296 } 297 298 if (lr->lr_mask & AT_MTIME) { 299 (void) printf("%sAT_MTIME %llu.%09llu %s", tab_prefix, 300 (u_longlong_t)lr->lr_mtime[0], 301 (u_longlong_t)lr->lr_mtime[1], 302 ctime(&mtime)); 303 } 304 } 305 306 static void 307 zil_prt_rec_setsaxattr(zilog_t *zilog, int txtype, const void *arg) 308 { 309 (void) zilog, (void) txtype; 310 const lr_setsaxattr_t *lr = arg; 311 312 char *name = (char *)(lr + 1); 313 (void) printf("%sfoid %llu\n", tab_prefix, 314 (u_longlong_t)lr->lr_foid); 315 316 (void) printf("%sXAT_NAME %s\n", tab_prefix, name); 317 if (lr->lr_size == 0) { 318 (void) printf("%sXAT_VALUE NULL\n", tab_prefix); 319 } else { 320 (void) printf("%sXAT_VALUE ", tab_prefix); 321 char *val = name + (strlen(name) + 1); 322 for (int i = 0; i < lr->lr_size; i++) { 323 (void) printf("%c", *val); 324 val++; 325 } 326 } 327 } 328 329 static void 330 zil_prt_rec_acl(zilog_t *zilog, int txtype, const void *arg) 331 { 332 (void) zilog, (void) txtype; 333 const lr_acl_t *lr = arg; 334 335 (void) printf("%sfoid %llu, aclcnt %llu\n", tab_prefix, 336 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt); 337 } 338 339 static void 340 zil_prt_rec_clone_range(zilog_t *zilog, int txtype, const void *arg) 341 { 342 (void) zilog, (void) txtype; 343 const lr_clone_range_t *lr = arg; 344 int verbose = MAX(dump_opt['d'], dump_opt['i']); 345 346 (void) printf("%sfoid %llu, offset %llx, length %llx, blksize %llx\n", 347 tab_prefix, (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_offset, 348 (u_longlong_t)lr->lr_length, (u_longlong_t)lr->lr_blksz); 349 350 if (verbose < 4) 351 return; 352 353 for (unsigned int i = 0; i < lr->lr_nbps; i++) { 354 (void) printf("%s[%u/%llu] ", tab_prefix, i + 1, 355 (u_longlong_t)lr->lr_nbps); 356 print_log_bp(&lr->lr_bps[i], ""); 357 } 358 } 359 360 static void 361 zil_prt_rec_clone_range_enc(zilog_t *zilog, int txtype, const void *arg) 362 { 363 (void) zilog, (void) txtype; 364 const lr_clone_range_t *lr = arg; 365 int verbose = MAX(dump_opt['d'], dump_opt['i']); 366 367 (void) printf("%s(encrypted)\n", tab_prefix); 368 369 if (verbose < 4) 370 return; 371 372 for (unsigned int i = 0; i < lr->lr_nbps; i++) { 373 (void) printf("%s[%u/%llu] ", tab_prefix, i + 1, 374 (u_longlong_t)lr->lr_nbps); 375 print_log_bp(&lr->lr_bps[i], ""); 376 } 377 } 378 379 typedef void (*zil_prt_rec_func_t)(zilog_t *, int, const void *); 380 typedef struct zil_rec_info { 381 zil_prt_rec_func_t zri_print; 382 zil_prt_rec_func_t zri_print_enc; 383 const char *zri_name; 384 uint64_t zri_count; 385 } zil_rec_info_t; 386 387 static zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = { 388 {.zri_print = NULL, .zri_name = "Total "}, 389 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE "}, 390 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR "}, 391 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKXATTR "}, 392 {.zri_print = zil_prt_rec_create, .zri_name = "TX_SYMLINK "}, 393 {.zri_print = zil_prt_rec_remove, .zri_name = "TX_REMOVE "}, 394 {.zri_print = zil_prt_rec_remove, .zri_name = "TX_RMDIR "}, 395 {.zri_print = zil_prt_rec_link, .zri_name = "TX_LINK "}, 396 {.zri_print = zil_prt_rec_rename, .zri_name = "TX_RENAME "}, 397 {.zri_print = zil_prt_rec_write, 398 .zri_print_enc = zil_prt_rec_write_enc, 399 .zri_name = "TX_WRITE "}, 400 {.zri_print = zil_prt_rec_truncate, .zri_name = "TX_TRUNCATE "}, 401 {.zri_print = zil_prt_rec_setattr, .zri_name = "TX_SETATTR "}, 402 {.zri_print = zil_prt_rec_acl, .zri_name = "TX_ACL_V0 "}, 403 {.zri_print = zil_prt_rec_acl, .zri_name = "TX_ACL_ACL "}, 404 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ACL "}, 405 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ATTR "}, 406 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ACL_ATTR "}, 407 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ACL "}, 408 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ATTR "}, 409 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ACL_ATTR "}, 410 {.zri_print = zil_prt_rec_write, .zri_name = "TX_WRITE2 "}, 411 {.zri_print = zil_prt_rec_setsaxattr, 412 .zri_name = "TX_SETSAXATTR "}, 413 {.zri_print = zil_prt_rec_rename, .zri_name = "TX_RENAME_EXCHANGE "}, 414 {.zri_print = zil_prt_rec_rename, .zri_name = "TX_RENAME_WHITEOUT "}, 415 {.zri_print = zil_prt_rec_clone_range, 416 .zri_print_enc = zil_prt_rec_clone_range_enc, 417 .zri_name = "TX_CLONE_RANGE "}, 418 }; 419 420 static int 421 print_log_record(zilog_t *zilog, const lr_t *lr, void *arg, uint64_t claim_txg) 422 { 423 (void) arg, (void) claim_txg; 424 int txtype; 425 int verbose = MAX(dump_opt['d'], dump_opt['i']); 426 427 /* reduce size of txtype to strip off TX_CI bit */ 428 txtype = lr->lrc_txtype; 429 430 ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE); 431 ASSERT(lr->lrc_txg); 432 433 (void) printf("\t\t%s%s len %6llu, txg %llu, seq %llu\n", 434 (lr->lrc_txtype & TX_CI) ? "CI-" : "", 435 zil_rec_info[txtype].zri_name, 436 (u_longlong_t)lr->lrc_reclen, 437 (u_longlong_t)lr->lrc_txg, 438 (u_longlong_t)lr->lrc_seq); 439 440 if (txtype && verbose >= 3) { 441 if (!zilog->zl_os->os_encrypted) { 442 zil_rec_info[txtype].zri_print(zilog, txtype, lr); 443 } else if (zil_rec_info[txtype].zri_print_enc) { 444 zil_rec_info[txtype].zri_print_enc(zilog, txtype, lr); 445 } else { 446 (void) printf("%s(encrypted)\n", tab_prefix); 447 } 448 } 449 450 zil_rec_info[txtype].zri_count++; 451 zil_rec_info[0].zri_count++; 452 453 return (0); 454 } 455 456 static int 457 print_log_block(zilog_t *zilog, const blkptr_t *bp, void *arg, 458 uint64_t claim_txg) 459 { 460 (void) arg; 461 char blkbuf[BP_SPRINTF_LEN + 10]; 462 int verbose = MAX(dump_opt['d'], dump_opt['i']); 463 const char *claim; 464 465 if (verbose <= 3) 466 return (0); 467 468 if (verbose >= 5) { 469 (void) strcpy(blkbuf, ", "); 470 snprintf_blkptr(blkbuf + strlen(blkbuf), 471 sizeof (blkbuf) - strlen(blkbuf), bp); 472 } else { 473 blkbuf[0] = '\0'; 474 } 475 476 if (claim_txg != 0) 477 claim = "already claimed"; 478 else if (BP_GET_LOGICAL_BIRTH(bp) >= spa_min_claim_txg(zilog->zl_spa)) 479 claim = "will claim"; 480 else 481 claim = "won't claim"; 482 483 (void) printf("\tBlock seqno %llu, %s%s\n", 484 (u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf); 485 486 return (0); 487 } 488 489 static void 490 print_log_stats(int verbose) 491 { 492 unsigned i, w, p10; 493 494 if (verbose > 3) 495 (void) printf("\n"); 496 497 if (zil_rec_info[0].zri_count == 0) 498 return; 499 500 for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10) 501 w++; 502 503 for (i = 0; i < TX_MAX_TYPE; i++) 504 if (zil_rec_info[i].zri_count || verbose >= 3) 505 (void) printf("\t\t%s %*llu\n", 506 zil_rec_info[i].zri_name, w, 507 (u_longlong_t)zil_rec_info[i].zri_count); 508 (void) printf("\n"); 509 } 510 511 void 512 dump_intent_log(zilog_t *zilog) 513 { 514 const zil_header_t *zh = zilog->zl_header; 515 int verbose = MAX(dump_opt['d'], dump_opt['i']); 516 int i; 517 518 if (BP_IS_HOLE(&zh->zh_log) || verbose < 1) 519 return; 520 521 (void) printf("\n ZIL header: claim_txg %llu, " 522 "claim_blk_seq %llu, claim_lr_seq %llu", 523 (u_longlong_t)zh->zh_claim_txg, 524 (u_longlong_t)zh->zh_claim_blk_seq, 525 (u_longlong_t)zh->zh_claim_lr_seq); 526 (void) printf(" replay_seq %llu, flags 0x%llx\n", 527 (u_longlong_t)zh->zh_replay_seq, (u_longlong_t)zh->zh_flags); 528 529 for (i = 0; i < TX_MAX_TYPE; i++) 530 zil_rec_info[i].zri_count = 0; 531 532 /* see comment in zil_claim() or zil_check_log_chain() */ 533 if (zilog->zl_spa->spa_uberblock.ub_checkpoint_txg != 0 && 534 zh->zh_claim_txg == 0) 535 return; 536 537 if (verbose >= 2) { 538 (void) printf("\n"); 539 (void) zil_parse(zilog, print_log_block, print_log_record, NULL, 540 zh->zh_claim_txg, B_FALSE); 541 print_log_stats(verbose); 542 } 543 } 544