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 *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 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 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 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 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 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 < 5) 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) && 177 bp->blk_birth >= spa_min_claim_txg(zilog->zl_spa) ? 178 "will claim" : "won't claim"); 179 print_log_bp(bp, tab_prefix); 180 181 if (BP_IS_HOLE(bp)) { 182 (void) printf("\t\t\tLSIZE 0x%llx\n", 183 (u_longlong_t)BP_GET_LSIZE(bp)); 184 (void) printf("%s<hole>\n", tab_prefix); 185 return; 186 } 187 if (bp->blk_birth < zilog->zl_header->zh_claim_txg) { 188 (void) printf("%s<block already committed>\n", 189 tab_prefix); 190 return; 191 } 192 193 ASSERT3U(BP_GET_LSIZE(bp), !=, 0); 194 SET_BOOKMARK(&zb, dmu_objset_id(zilog->zl_os), 195 lr->lr_foid, ZB_ZIL_LEVEL, 196 lr->lr_offset / BP_GET_LSIZE(bp)); 197 198 data = abd_alloc(BP_GET_LSIZE(bp), B_FALSE); 199 error = zio_wait(zio_read(NULL, zilog->zl_spa, 200 bp, data, BP_GET_LSIZE(bp), NULL, NULL, 201 ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb)); 202 if (error) 203 goto out; 204 } else { 205 /* data is stored after the end of the lr_write record */ 206 data = abd_alloc(lr->lr_length, B_FALSE); 207 abd_copy_from_buf(data, lr + 1, lr->lr_length); 208 } 209 210 (void) printf("%s", tab_prefix); 211 (void) abd_iterate_func(data, 212 0, MIN(lr->lr_length, (verbose < 6 ? 20 : SPA_MAXBLOCKSIZE)), 213 zil_prt_rec_write_cb, NULL); 214 (void) printf("\n"); 215 216 out: 217 abd_free(data); 218 } 219 220 static void 221 zil_prt_rec_truncate(zilog_t *zilog, int txtype, const void *arg) 222 { 223 (void) zilog, (void) txtype; 224 const lr_truncate_t *lr = arg; 225 226 (void) printf("%sfoid %llu, offset 0x%llx, length 0x%llx\n", tab_prefix, 227 (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 228 (u_longlong_t)lr->lr_length); 229 } 230 231 static void 232 zil_prt_rec_setattr(zilog_t *zilog, int txtype, const void *arg) 233 { 234 (void) zilog, (void) txtype; 235 const lr_setattr_t *lr = arg; 236 time_t atime = (time_t)lr->lr_atime[0]; 237 time_t mtime = (time_t)lr->lr_mtime[0]; 238 239 (void) printf("%sfoid %llu, mask 0x%llx\n", tab_prefix, 240 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask); 241 242 if (lr->lr_mask & AT_MODE) { 243 (void) printf("%sAT_MODE %llo\n", tab_prefix, 244 (longlong_t)lr->lr_mode); 245 } 246 247 if (lr->lr_mask & AT_UID) { 248 (void) printf("%sAT_UID %llu\n", tab_prefix, 249 (u_longlong_t)lr->lr_uid); 250 } 251 252 if (lr->lr_mask & AT_GID) { 253 (void) printf("%sAT_GID %llu\n", tab_prefix, 254 (u_longlong_t)lr->lr_gid); 255 } 256 257 if (lr->lr_mask & AT_SIZE) { 258 (void) printf("%sAT_SIZE %llu\n", tab_prefix, 259 (u_longlong_t)lr->lr_size); 260 } 261 262 if (lr->lr_mask & AT_ATIME) { 263 (void) printf("%sAT_ATIME %llu.%09llu %s", tab_prefix, 264 (u_longlong_t)lr->lr_atime[0], 265 (u_longlong_t)lr->lr_atime[1], 266 ctime(&atime)); 267 } 268 269 if (lr->lr_mask & AT_MTIME) { 270 (void) printf("%sAT_MTIME %llu.%09llu %s", tab_prefix, 271 (u_longlong_t)lr->lr_mtime[0], 272 (u_longlong_t)lr->lr_mtime[1], 273 ctime(&mtime)); 274 } 275 } 276 277 static void 278 zil_prt_rec_setsaxattr(zilog_t *zilog, int txtype, const void *arg) 279 { 280 (void) zilog, (void) txtype; 281 const lr_setsaxattr_t *lr = arg; 282 283 char *name = (char *)(lr + 1); 284 (void) printf("%sfoid %llu\n", tab_prefix, 285 (u_longlong_t)lr->lr_foid); 286 287 (void) printf("%sXAT_NAME %s\n", tab_prefix, name); 288 if (lr->lr_size == 0) { 289 (void) printf("%sXAT_VALUE NULL\n", tab_prefix); 290 } else { 291 (void) printf("%sXAT_VALUE ", tab_prefix); 292 char *val = name + (strlen(name) + 1); 293 for (int i = 0; i < lr->lr_size; i++) { 294 (void) printf("%c", *val); 295 val++; 296 } 297 } 298 } 299 300 static void 301 zil_prt_rec_acl(zilog_t *zilog, int txtype, const void *arg) 302 { 303 (void) zilog, (void) txtype; 304 const lr_acl_t *lr = arg; 305 306 (void) printf("%sfoid %llu, aclcnt %llu\n", tab_prefix, 307 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt); 308 } 309 310 typedef void (*zil_prt_rec_func_t)(zilog_t *, int, const void *); 311 typedef struct zil_rec_info { 312 zil_prt_rec_func_t zri_print; 313 const char *zri_name; 314 uint64_t zri_count; 315 } zil_rec_info_t; 316 317 static zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = { 318 {.zri_print = NULL, .zri_name = "Total "}, 319 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE "}, 320 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR "}, 321 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKXATTR "}, 322 {.zri_print = zil_prt_rec_create, .zri_name = "TX_SYMLINK "}, 323 {.zri_print = zil_prt_rec_remove, .zri_name = "TX_REMOVE "}, 324 {.zri_print = zil_prt_rec_remove, .zri_name = "TX_RMDIR "}, 325 {.zri_print = zil_prt_rec_link, .zri_name = "TX_LINK "}, 326 {.zri_print = zil_prt_rec_rename, .zri_name = "TX_RENAME "}, 327 {.zri_print = zil_prt_rec_write, .zri_name = "TX_WRITE "}, 328 {.zri_print = zil_prt_rec_truncate, .zri_name = "TX_TRUNCATE "}, 329 {.zri_print = zil_prt_rec_setattr, .zri_name = "TX_SETATTR "}, 330 {.zri_print = zil_prt_rec_acl, .zri_name = "TX_ACL_V0 "}, 331 {.zri_print = zil_prt_rec_acl, .zri_name = "TX_ACL_ACL "}, 332 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ACL "}, 333 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ATTR "}, 334 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ACL_ATTR "}, 335 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ACL "}, 336 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ATTR "}, 337 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ACL_ATTR "}, 338 {.zri_print = zil_prt_rec_write, .zri_name = "TX_WRITE2 "}, 339 {.zri_print = zil_prt_rec_setsaxattr, 340 .zri_name = "TX_SETSAXATTR "}, 341 {.zri_print = zil_prt_rec_rename, .zri_name = "TX_RENAME_EXCHANGE "}, 342 {.zri_print = zil_prt_rec_rename, .zri_name = "TX_RENAME_WHITEOUT "}, 343 }; 344 345 static int 346 print_log_record(zilog_t *zilog, const lr_t *lr, void *arg, uint64_t claim_txg) 347 { 348 (void) arg, (void) claim_txg; 349 int txtype; 350 int verbose = MAX(dump_opt['d'], dump_opt['i']); 351 352 /* reduce size of txtype to strip off TX_CI bit */ 353 txtype = lr->lrc_txtype; 354 355 ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE); 356 ASSERT(lr->lrc_txg); 357 358 (void) printf("\t\t%s%s len %6llu, txg %llu, seq %llu\n", 359 (lr->lrc_txtype & TX_CI) ? "CI-" : "", 360 zil_rec_info[txtype].zri_name, 361 (u_longlong_t)lr->lrc_reclen, 362 (u_longlong_t)lr->lrc_txg, 363 (u_longlong_t)lr->lrc_seq); 364 365 if (txtype && verbose >= 3) { 366 if (!zilog->zl_os->os_encrypted) { 367 zil_rec_info[txtype].zri_print(zilog, txtype, lr); 368 } else { 369 (void) printf("%s(encrypted)\n", tab_prefix); 370 } 371 } 372 373 zil_rec_info[txtype].zri_count++; 374 zil_rec_info[0].zri_count++; 375 376 return (0); 377 } 378 379 static int 380 print_log_block(zilog_t *zilog, const blkptr_t *bp, void *arg, 381 uint64_t claim_txg) 382 { 383 (void) arg; 384 char blkbuf[BP_SPRINTF_LEN + 10]; 385 int verbose = MAX(dump_opt['d'], dump_opt['i']); 386 const char *claim; 387 388 if (verbose <= 3) 389 return (0); 390 391 if (verbose >= 5) { 392 (void) strcpy(blkbuf, ", "); 393 snprintf_blkptr(blkbuf + strlen(blkbuf), 394 sizeof (blkbuf) - strlen(blkbuf), bp); 395 } else { 396 blkbuf[0] = '\0'; 397 } 398 399 if (claim_txg != 0) 400 claim = "already claimed"; 401 else if (bp->blk_birth >= spa_min_claim_txg(zilog->zl_spa)) 402 claim = "will claim"; 403 else 404 claim = "won't claim"; 405 406 (void) printf("\tBlock seqno %llu, %s%s\n", 407 (u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf); 408 409 return (0); 410 } 411 412 static void 413 print_log_stats(int verbose) 414 { 415 unsigned i, w, p10; 416 417 if (verbose > 3) 418 (void) printf("\n"); 419 420 if (zil_rec_info[0].zri_count == 0) 421 return; 422 423 for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10) 424 w++; 425 426 for (i = 0; i < TX_MAX_TYPE; i++) 427 if (zil_rec_info[i].zri_count || verbose >= 3) 428 (void) printf("\t\t%s %*llu\n", 429 zil_rec_info[i].zri_name, w, 430 (u_longlong_t)zil_rec_info[i].zri_count); 431 (void) printf("\n"); 432 } 433 434 void 435 dump_intent_log(zilog_t *zilog) 436 { 437 const zil_header_t *zh = zilog->zl_header; 438 int verbose = MAX(dump_opt['d'], dump_opt['i']); 439 int i; 440 441 if (BP_IS_HOLE(&zh->zh_log) || verbose < 1) 442 return; 443 444 (void) printf("\n ZIL header: claim_txg %llu, " 445 "claim_blk_seq %llu, claim_lr_seq %llu", 446 (u_longlong_t)zh->zh_claim_txg, 447 (u_longlong_t)zh->zh_claim_blk_seq, 448 (u_longlong_t)zh->zh_claim_lr_seq); 449 (void) printf(" replay_seq %llu, flags 0x%llx\n", 450 (u_longlong_t)zh->zh_replay_seq, (u_longlong_t)zh->zh_flags); 451 452 for (i = 0; i < TX_MAX_TYPE; i++) 453 zil_rec_info[i].zri_count = 0; 454 455 /* see comment in zil_claim() or zil_check_log_chain() */ 456 if (zilog->zl_spa->spa_uberblock.ub_checkpoint_txg != 0 && 457 zh->zh_claim_txg == 0) 458 return; 459 460 if (verbose >= 2) { 461 (void) printf("\n"); 462 (void) zil_parse(zilog, print_log_block, print_log_record, NULL, 463 zh->zh_claim_txg, B_FALSE); 464 print_log_stats(verbose); 465 } 466 } 467