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 /* ARGSUSED */ 64 static void 65 zil_prt_rec_create(zilog_t *zilog, int txtype, const void *arg) 66 { 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 /* ARGSUSED */ 100 static void 101 zil_prt_rec_remove(zilog_t *zilog, int txtype, const void *arg) 102 { 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 /* ARGSUSED */ 110 static void 111 zil_prt_rec_link(zilog_t *zilog, int txtype, const void *arg) 112 { 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 /* ARGSUSED */ 121 static void 122 zil_prt_rec_rename(zilog_t *zilog, int txtype, const void *arg) 123 { 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 /* ARGSUSED */ 134 static int 135 zil_prt_rec_write_cb(void *data, size_t len, void *unused) 136 { 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 /* ARGSUSED */ 150 static void 151 zil_prt_rec_write(zilog_t *zilog, int txtype, const void *arg) 152 { 153 const lr_write_t *lr = arg; 154 abd_t *data; 155 const blkptr_t *bp = &lr->lr_blkptr; 156 zbookmark_phys_t zb; 157 int verbose = MAX(dump_opt['d'], dump_opt['i']); 158 int error; 159 160 (void) printf("%sfoid %llu, offset %llx, length %llx\n", tab_prefix, 161 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_offset, 162 (u_longlong_t)lr->lr_length); 163 164 if (txtype == TX_WRITE2 || verbose < 5) 165 return; 166 167 if (lr->lr_common.lrc_reclen == sizeof (lr_write_t)) { 168 (void) printf("%shas blkptr, %s\n", tab_prefix, 169 !BP_IS_HOLE(bp) && 170 bp->blk_birth >= spa_min_claim_txg(zilog->zl_spa) ? 171 "will claim" : "won't claim"); 172 print_log_bp(bp, tab_prefix); 173 174 if (BP_IS_HOLE(bp)) { 175 (void) printf("\t\t\tLSIZE 0x%llx\n", 176 (u_longlong_t)BP_GET_LSIZE(bp)); 177 (void) printf("%s<hole>\n", tab_prefix); 178 return; 179 } 180 if (bp->blk_birth < zilog->zl_header->zh_claim_txg) { 181 (void) printf("%s<block already committed>\n", 182 tab_prefix); 183 return; 184 } 185 186 SET_BOOKMARK(&zb, dmu_objset_id(zilog->zl_os), 187 lr->lr_foid, ZB_ZIL_LEVEL, 188 lr->lr_offset / BP_GET_LSIZE(bp)); 189 190 data = abd_alloc(BP_GET_LSIZE(bp), B_FALSE); 191 error = zio_wait(zio_read(NULL, zilog->zl_spa, 192 bp, data, BP_GET_LSIZE(bp), NULL, NULL, 193 ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL, &zb)); 194 if (error) 195 goto out; 196 } else { 197 /* data is stored after the end of the lr_write record */ 198 data = abd_alloc(lr->lr_length, B_FALSE); 199 abd_copy_from_buf(data, lr + 1, lr->lr_length); 200 } 201 202 (void) printf("%s", tab_prefix); 203 (void) abd_iterate_func(data, 204 0, MIN(lr->lr_length, (verbose < 6 ? 20 : SPA_MAXBLOCKSIZE)), 205 zil_prt_rec_write_cb, NULL); 206 (void) printf("\n"); 207 208 out: 209 abd_free(data); 210 } 211 212 /* ARGSUSED */ 213 static void 214 zil_prt_rec_truncate(zilog_t *zilog, int txtype, const void *arg) 215 { 216 const lr_truncate_t *lr = arg; 217 218 (void) printf("%sfoid %llu, offset 0x%llx, length 0x%llx\n", tab_prefix, 219 (u_longlong_t)lr->lr_foid, (longlong_t)lr->lr_offset, 220 (u_longlong_t)lr->lr_length); 221 } 222 223 /* ARGSUSED */ 224 static void 225 zil_prt_rec_setattr(zilog_t *zilog, int txtype, const void *arg) 226 { 227 const lr_setattr_t *lr = arg; 228 time_t atime = (time_t)lr->lr_atime[0]; 229 time_t mtime = (time_t)lr->lr_mtime[0]; 230 231 (void) printf("%sfoid %llu, mask 0x%llx\n", tab_prefix, 232 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_mask); 233 234 if (lr->lr_mask & AT_MODE) { 235 (void) printf("%sAT_MODE %llo\n", tab_prefix, 236 (longlong_t)lr->lr_mode); 237 } 238 239 if (lr->lr_mask & AT_UID) { 240 (void) printf("%sAT_UID %llu\n", tab_prefix, 241 (u_longlong_t)lr->lr_uid); 242 } 243 244 if (lr->lr_mask & AT_GID) { 245 (void) printf("%sAT_GID %llu\n", tab_prefix, 246 (u_longlong_t)lr->lr_gid); 247 } 248 249 if (lr->lr_mask & AT_SIZE) { 250 (void) printf("%sAT_SIZE %llu\n", tab_prefix, 251 (u_longlong_t)lr->lr_size); 252 } 253 254 if (lr->lr_mask & AT_ATIME) { 255 (void) printf("%sAT_ATIME %llu.%09llu %s", tab_prefix, 256 (u_longlong_t)lr->lr_atime[0], 257 (u_longlong_t)lr->lr_atime[1], 258 ctime(&atime)); 259 } 260 261 if (lr->lr_mask & AT_MTIME) { 262 (void) printf("%sAT_MTIME %llu.%09llu %s", tab_prefix, 263 (u_longlong_t)lr->lr_mtime[0], 264 (u_longlong_t)lr->lr_mtime[1], 265 ctime(&mtime)); 266 } 267 } 268 269 /* ARGSUSED */ 270 static void 271 zil_prt_rec_acl(zilog_t *zilog, int txtype, const void *arg) 272 { 273 const lr_acl_t *lr = arg; 274 275 (void) printf("%sfoid %llu, aclcnt %llu\n", tab_prefix, 276 (u_longlong_t)lr->lr_foid, (u_longlong_t)lr->lr_aclcnt); 277 } 278 279 typedef void (*zil_prt_rec_func_t)(zilog_t *, int, const void *); 280 typedef struct zil_rec_info { 281 zil_prt_rec_func_t zri_print; 282 const char *zri_name; 283 uint64_t zri_count; 284 } zil_rec_info_t; 285 286 static zil_rec_info_t zil_rec_info[TX_MAX_TYPE] = { 287 {.zri_print = NULL, .zri_name = "Total "}, 288 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE "}, 289 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR "}, 290 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKXATTR "}, 291 {.zri_print = zil_prt_rec_create, .zri_name = "TX_SYMLINK "}, 292 {.zri_print = zil_prt_rec_remove, .zri_name = "TX_REMOVE "}, 293 {.zri_print = zil_prt_rec_remove, .zri_name = "TX_RMDIR "}, 294 {.zri_print = zil_prt_rec_link, .zri_name = "TX_LINK "}, 295 {.zri_print = zil_prt_rec_rename, .zri_name = "TX_RENAME "}, 296 {.zri_print = zil_prt_rec_write, .zri_name = "TX_WRITE "}, 297 {.zri_print = zil_prt_rec_truncate, .zri_name = "TX_TRUNCATE "}, 298 {.zri_print = zil_prt_rec_setattr, .zri_name = "TX_SETATTR "}, 299 {.zri_print = zil_prt_rec_acl, .zri_name = "TX_ACL_V0 "}, 300 {.zri_print = zil_prt_rec_acl, .zri_name = "TX_ACL_ACL "}, 301 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ACL "}, 302 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ATTR "}, 303 {.zri_print = zil_prt_rec_create, .zri_name = "TX_CREATE_ACL_ATTR "}, 304 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ACL "}, 305 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ATTR "}, 306 {.zri_print = zil_prt_rec_create, .zri_name = "TX_MKDIR_ACL_ATTR "}, 307 {.zri_print = zil_prt_rec_write, .zri_name = "TX_WRITE2 "}, 308 }; 309 310 /* ARGSUSED */ 311 static int 312 print_log_record(zilog_t *zilog, const lr_t *lr, void *arg, uint64_t claim_txg) 313 { 314 int txtype; 315 int verbose = MAX(dump_opt['d'], dump_opt['i']); 316 317 /* reduce size of txtype to strip off TX_CI bit */ 318 txtype = lr->lrc_txtype; 319 320 ASSERT(txtype != 0 && (uint_t)txtype < TX_MAX_TYPE); 321 ASSERT(lr->lrc_txg); 322 323 (void) printf("\t\t%s%s len %6llu, txg %llu, seq %llu\n", 324 (lr->lrc_txtype & TX_CI) ? "CI-" : "", 325 zil_rec_info[txtype].zri_name, 326 (u_longlong_t)lr->lrc_reclen, 327 (u_longlong_t)lr->lrc_txg, 328 (u_longlong_t)lr->lrc_seq); 329 330 if (txtype && verbose >= 3) { 331 if (!zilog->zl_os->os_encrypted) { 332 zil_rec_info[txtype].zri_print(zilog, txtype, lr); 333 } else { 334 (void) printf("%s(encrypted)\n", tab_prefix); 335 } 336 } 337 338 zil_rec_info[txtype].zri_count++; 339 zil_rec_info[0].zri_count++; 340 341 return (0); 342 } 343 344 /* ARGSUSED */ 345 static int 346 print_log_block(zilog_t *zilog, const blkptr_t *bp, void *arg, 347 uint64_t claim_txg) 348 { 349 char blkbuf[BP_SPRINTF_LEN + 10]; 350 int verbose = MAX(dump_opt['d'], dump_opt['i']); 351 const char *claim; 352 353 if (verbose <= 3) 354 return (0); 355 356 if (verbose >= 5) { 357 (void) strcpy(blkbuf, ", "); 358 snprintf_blkptr(blkbuf + strlen(blkbuf), 359 sizeof (blkbuf) - strlen(blkbuf), bp); 360 } else { 361 blkbuf[0] = '\0'; 362 } 363 364 if (claim_txg != 0) 365 claim = "already claimed"; 366 else if (bp->blk_birth >= spa_min_claim_txg(zilog->zl_spa)) 367 claim = "will claim"; 368 else 369 claim = "won't claim"; 370 371 (void) printf("\tBlock seqno %llu, %s%s\n", 372 (u_longlong_t)bp->blk_cksum.zc_word[ZIL_ZC_SEQ], claim, blkbuf); 373 374 return (0); 375 } 376 377 static void 378 print_log_stats(int verbose) 379 { 380 unsigned i, w, p10; 381 382 if (verbose > 3) 383 (void) printf("\n"); 384 385 if (zil_rec_info[0].zri_count == 0) 386 return; 387 388 for (w = 1, p10 = 10; zil_rec_info[0].zri_count >= p10; p10 *= 10) 389 w++; 390 391 for (i = 0; i < TX_MAX_TYPE; i++) 392 if (zil_rec_info[i].zri_count || verbose >= 3) 393 (void) printf("\t\t%s %*llu\n", 394 zil_rec_info[i].zri_name, w, 395 (u_longlong_t)zil_rec_info[i].zri_count); 396 (void) printf("\n"); 397 } 398 399 /* ARGSUSED */ 400 void 401 dump_intent_log(zilog_t *zilog) 402 { 403 const zil_header_t *zh = zilog->zl_header; 404 int verbose = MAX(dump_opt['d'], dump_opt['i']); 405 int i; 406 407 if (BP_IS_HOLE(&zh->zh_log) || verbose < 1) 408 return; 409 410 (void) printf("\n ZIL header: claim_txg %llu, " 411 "claim_blk_seq %llu, claim_lr_seq %llu", 412 (u_longlong_t)zh->zh_claim_txg, 413 (u_longlong_t)zh->zh_claim_blk_seq, 414 (u_longlong_t)zh->zh_claim_lr_seq); 415 (void) printf(" replay_seq %llu, flags 0x%llx\n", 416 (u_longlong_t)zh->zh_replay_seq, (u_longlong_t)zh->zh_flags); 417 418 for (i = 0; i < TX_MAX_TYPE; i++) 419 zil_rec_info[i].zri_count = 0; 420 421 /* see comment in zil_claim() or zil_check_log_chain() */ 422 if (zilog->zl_spa->spa_uberblock.ub_checkpoint_txg != 0 && 423 zh->zh_claim_txg == 0) 424 return; 425 426 if (verbose >= 2) { 427 (void) printf("\n"); 428 (void) zil_parse(zilog, print_log_block, print_log_record, NULL, 429 zh->zh_claim_txg, B_FALSE); 430 print_log_stats(verbose); 431 } 432 } 433