1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * 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 } 132 133 static int 134 zil_prt_rec_write_cb(void *data, size_t len, void *unused) 135 { 136 (void) unused; 137 char *cdata = data; 138 139 for (size_t i = 0; i < len; i++) { 140 if (isprint(*cdata)) 141 (void) printf("%c ", *cdata); 142 else 143 (void) printf("%2X", *cdata); 144 cdata++; 145 } 146 return (0); 147 } 148 149 static void 150 zil_prt_rec_write(zilog_t *zilog, int txtype, const void *arg) 151 { 152 const lr_write_t *lr = arg; 153 abd_t *data; 154 const blkptr_t *bp = &lr->lr_blkptr; 155 zbookmark_phys_t zb; 156 int verbose = MAX(dump_opt['d'], dump_opt['i']); 157 int error; 158 159 (void) printf("%sfoid %llu, offset %llx, length %llx\n", tab_prefix, 160 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_offset, 161 (u_longlong_t)lr->lr_length); 162 163 if (txtype == TX_WRITE2 || verbose < 5) 164 return; 165 166 if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 167 (void) printf("%shas blkptr, %s\n", tab_prefix, 168 !BP_IS_HOLE(bp) && 169 bp->blk_birth >= spa_min_claim_txg(zilog->zl_spa) ? 170 "will claim" : "won't claim"); 171 print_log_bp(bp, tab_prefix); 172 173 if (BP_IS_HOLE(bp)) { 174 (void) printf("\t\t\tLSIZE 0x%llx\n", 175 (u_longlong_t)BP_GET_LSIZE(bp)); 176 (void) printf("%s<hole>\n", tab_prefix); 177 return; 178 } 179 if (bp->blk_birth < zilog->zl_header->zh_claim_txg) { 180 (void) printf("%s<block already committed>\n", 181 tab_prefix); 182 return; 183 } 184 185 SET_BOOKMARK(&zb, dmu_objset_id(zilog->zl_os), 186 lr->lr_foid, ZB_ZIL_LEVEL, 187 lr->lr_offset / BP_GET_LSIZE(bp)); 188 189 data = abd_alloc(BP_GET_LSIZE(bp), B_FALSE); 190 error = zio_wait(zio_read(NULL, zilog->zl_spa, 191 bp, data, BP_GET_LSIZE(bp), NULL, NULL, 192 ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb)); 193 if (error) 194 goto out; 195 } else { 196 /* data is stored after the end of the lr_write record */ 197 data = abd_alloc(lr->lr_length, B_FALSE); 198 abd_copy_from_buf(data, lr + 1, lr->lr_length); 199 } 200 201 (void) printf("%s", tab_prefix); 202 (void) abd_iterate_func(data, 203 0, MIN(lr->lr_length, (verbose < 6 ? 20 : SPA_MAXBLOCKSIZE)), 204 zil_prt_rec_write_cb, NULL); 205 (void) printf("\n"); 206 207 out: 208 abd_free(data); 209 } 210 211 static void 212 zil_prt_rec_truncate(zilog_t *zilog, int txtype, const void *arg) 213 { 214 (void) zilog, (void) txtype; 215 const lr_truncate_t *lr = arg; 216 217 (void) printf("%sfoid %llu, offset 0x%llx, length 0x%llx\n", tab_prefix, 218 (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 219 (u_longlong_t)lr->lr_length); 220 } 221 222 static void 223 zil_prt_rec_setattr(zilog_t *zilog, int txtype, const void *arg) 224 { 225 (void) zilog, (void) txtype; 226 const lr_setattr_t *lr = arg; 227 time_t atime = (time_t)lr->lr_atime[0]; 228 time_t mtime = (time_t)lr->lr_mtime[0]; 229 230 (void) printf("%sfoid %llu, mask 0x%llx\n", tab_prefix, 231 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask); 232 233 if (lr->lr_mask & AT_MODE) { 234 (void) printf("%sAT_MODE %llo\n", tab_prefix, 235 (longlong_t)lr->lr_mode); 236 } 237 238 if (lr->lr_mask & AT_UID) { 239 (void) printf("%sAT_UID %llu\n", tab_prefix, 240 (u_longlong_t)lr->lr_uid); 241 } 242 243 if (lr->lr_mask & AT_GID) { 244 (void) printf("%sAT_GID %llu\n", tab_prefix, 245 (u_longlong_t)lr->lr_gid); 246 } 247 248 if (lr->lr_mask & AT_SIZE) { 249 (void) printf("%sAT_SIZE %llu\n", tab_prefix, 250 (u_longlong_t)lr->lr_size); 251 } 252 253 if (lr->lr_mask & AT_ATIME) { 254 (void) printf("%sAT_ATIME %llu.%09llu %s", tab_prefix, 255 (u_longlong_t)lr->lr_atime[0], 256 (u_longlong_t)lr->lr_atime[1], 257 ctime(&atime)); 258 } 259 260 if (lr->lr_mask & AT_MTIME) { 261 (void) printf("%sAT_MTIME %llu.%09llu %s", tab_prefix, 262 (u_longlong_t)lr->lr_mtime[0], 263 (u_longlong_t)lr->lr_mtime[1], 264 ctime(&mtime)); 265 } 266 } 267 268 static void 269 zil_prt_rec_setsaxattr(zilog_t *zilog, int txtype, const void *arg) 270 { 271 (void) zilog, (void) txtype; 272 const lr_setsaxattr_t *lr = arg; 273 274 char *name = (char *)(lr + 1); 275 (void) printf("%sfoid %llu\n", tab_prefix, 276 (u_longlong_t)lr->lr_foid); 277 278 (void) printf("%sXAT_NAME %s\n", tab_prefix, name); 279 if (lr->lr_size == 0) { 280 (void) printf("%sXAT_VALUE NULL\n", tab_prefix); 281 } else { 282 (void) printf("%sXAT_VALUE ", tab_prefix); 283 char *val = name + (strlen(name) + 1); 284 for (int i = 0; i < lr->lr_size; i++) { 285 (void) printf("%c", *val); 286 val++; 287 } 288 } 289 } 290 291 static void 292 zil_prt_rec_acl(zilog_t *zilog, int txtype, const void *arg) 293 { 294 (void) zilog, (void) txtype; 295 const lr_acl_t *lr = arg; 296 297 (void) printf("%sfoid %llu, aclcnt %llu\n", tab_prefix, 298 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt); 299 } 300 301 typedef void (*zil_prt_rec_func_t)(zilog_t *, int, const void *); 302 typedef struct zil_rec_info { 303 zil_prt_rec_func_t zri_print; 304 const char *zri_name; 305 uint64_t zri_count; 306 } zil_rec_info_t; 307 308 static zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = { 309 {.zri_print = NULL, .zri_name = "Total "}, 310 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE "}, 311 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR "}, 312 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKXATTR "}, 313 {.zri_print = zil_prt_rec_create, .zri_name = "TX_SYMLINK "}, 314 {.zri_print = zil_prt_rec_remove, .zri_name = "TX_REMOVE "}, 315 {.zri_print = zil_prt_rec_remove, .zri_name = "TX_RMDIR "}, 316 {.zri_print = zil_prt_rec_link, .zri_name = "TX_LINK "}, 317 {.zri_print = zil_prt_rec_rename, .zri_name = "TX_RENAME "}, 318 {.zri_print = zil_prt_rec_write, .zri_name = "TX_WRITE "}, 319 {.zri_print = zil_prt_rec_truncate, .zri_name = "TX_TRUNCATE "}, 320 {.zri_print = zil_prt_rec_setattr, .zri_name = "TX_SETATTR "}, 321 {.zri_print = zil_prt_rec_acl, .zri_name = "TX_ACL_V0 "}, 322 {.zri_print = zil_prt_rec_acl, .zri_name = "TX_ACL_ACL "}, 323 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ACL "}, 324 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ATTR "}, 325 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ACL_ATTR "}, 326 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ACL "}, 327 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ATTR "}, 328 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ACL_ATTR "}, 329 {.zri_print = zil_prt_rec_write, .zri_name = "TX_WRITE2 "}, 330 {.zri_print = zil_prt_rec_setsaxattr, 331 .zri_name = "TX_SETSAXATTR "}, 332 }; 333 334 static int 335 print_log_record(zilog_t *zilog, const lr_t *lr, void *arg, uint64_t claim_txg) 336 { 337 (void) arg, (void) claim_txg; 338 int txtype; 339 int verbose = MAX(dump_opt['d'], dump_opt['i']); 340 341 /* reduce size of txtype to strip off TX_CI bit */ 342 txtype = lr->lrc_txtype; 343 344 ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE); 345 ASSERT(lr->lrc_txg); 346 347 (void) printf("\t\t%s%s len %6llu, txg %llu, seq %llu\n", 348 (lr->lrc_txtype & TX_CI) ? "CI-" : "", 349 zil_rec_info[txtype].zri_name, 350 (u_longlong_t)lr->lrc_reclen, 351 (u_longlong_t)lr->lrc_txg, 352 (u_longlong_t)lr->lrc_seq); 353 354 if (txtype && verbose >= 3) { 355 if (!zilog->zl_os->os_encrypted) { 356 zil_rec_info[txtype].zri_print(zilog, txtype, lr); 357 } else { 358 (void) printf("%s(encrypted)\n", tab_prefix); 359 } 360 } 361 362 zil_rec_info[txtype].zri_count++; 363 zil_rec_info[0].zri_count++; 364 365 return (0); 366 } 367 368 static int 369 print_log_block(zilog_t *zilog, const blkptr_t *bp, void *arg, 370 uint64_t claim_txg) 371 { 372 (void) arg; 373 char blkbuf[BP_SPRINTF_LEN + 10]; 374 int verbose = MAX(dump_opt['d'], dump_opt['i']); 375 const char *claim; 376 377 if (verbose <= 3) 378 return (0); 379 380 if (verbose >= 5) { 381 (void) strcpy(blkbuf, ", "); 382 snprintf_blkptr(blkbuf + strlen(blkbuf), 383 sizeof (blkbuf) - strlen(blkbuf), bp); 384 } else { 385 blkbuf[0] = '\0'; 386 } 387 388 if (claim_txg != 0) 389 claim = "already claimed"; 390 else if (bp->blk_birth >= spa_min_claim_txg(zilog->zl_spa)) 391 claim = "will claim"; 392 else 393 claim = "won't claim"; 394 395 (void) printf("\tBlock seqno %llu, %s%s\n", 396 (u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf); 397 398 return (0); 399 } 400 401 static void 402 print_log_stats(int verbose) 403 { 404 unsigned i, w, p10; 405 406 if (verbose > 3) 407 (void) printf("\n"); 408 409 if (zil_rec_info[0].zri_count == 0) 410 return; 411 412 for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10) 413 w++; 414 415 for (i = 0; i < TX_MAX_TYPE; i++) 416 if (zil_rec_info[i].zri_count || verbose >= 3) 417 (void) printf("\t\t%s %*llu\n", 418 zil_rec_info[i].zri_name, w, 419 (u_longlong_t)zil_rec_info[i].zri_count); 420 (void) printf("\n"); 421 } 422 423 void 424 dump_intent_log(zilog_t *zilog) 425 { 426 const zil_header_t *zh = zilog->zl_header; 427 int verbose = MAX(dump_opt['d'], dump_opt['i']); 428 int i; 429 430 if (BP_IS_HOLE(&zh->zh_log) || verbose < 1) 431 return; 432 433 (void) printf("\n ZIL header: claim_txg %llu, " 434 "claim_blk_seq %llu, claim_lr_seq %llu", 435 (u_longlong_t)zh->zh_claim_txg, 436 (u_longlong_t)zh->zh_claim_blk_seq, 437 (u_longlong_t)zh->zh_claim_lr_seq); 438 (void) printf(" replay_seq %llu, flags 0x%llx\n", 439 (u_longlong_t)zh->zh_replay_seq, (u_longlong_t)zh->zh_flags); 440 441 for (i = 0; i < TX_MAX_TYPE; i++) 442 zil_rec_info[i].zri_count = 0; 443 444 /* see comment in zil_claim() or zil_check_log_chain() */ 445 if (zilog->zl_spa->spa_uberblock.ub_checkpoint_txg != 0 && 446 zh->zh_claim_txg == 0) 447 return; 448 449 if (verbose >= 2) { 450 (void) printf("\n"); 451 (void) zil_parse(zilog, print_log_block, print_log_record, NULL, 452 zh->zh_claim_txg, B_FALSE); 453 print_log_stats(verbose); 454 } 455 } 456