zfs_log.c revision 290765
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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright (c) 2015 by Delphix. All rights reserved. 24 */ 25 26#include <sys/types.h> 27#include <sys/param.h> 28#include <sys/systm.h> 29#include <sys/sysmacros.h> 30#include <sys/cmn_err.h> 31#include <sys/kmem.h> 32#include <sys/file.h> 33#include <sys/vfs.h> 34#include <sys/zfs_znode.h> 35#include <sys/zfs_dir.h> 36#include <sys/zil.h> 37#include <sys/zil_impl.h> 38#include <sys/byteorder.h> 39#include <sys/policy.h> 40#include <sys/stat.h> 41#include <sys/acl.h> 42#include <sys/dmu.h> 43#include <sys/spa.h> 44#include <sys/zfs_fuid.h> 45#include <sys/dsl_dataset.h> 46 47/* 48 * These zfs_log_* functions must be called within a dmu tx, in one 49 * of 2 contexts depending on zilog->z_replay: 50 * 51 * Non replay mode 52 * --------------- 53 * We need to record the transaction so that if it is committed to 54 * the Intent Log then it can be replayed. An intent log transaction 55 * structure (itx_t) is allocated and all the information necessary to 56 * possibly replay the transaction is saved in it. The itx is then assigned 57 * a sequence number and inserted in the in-memory list anchored in the zilog. 58 * 59 * Replay mode 60 * ----------- 61 * We need to mark the intent log record as replayed in the log header. 62 * This is done in the same transaction as the replay so that they 63 * commit atomically. 64 */ 65 66int 67zfs_log_create_txtype(zil_create_t type, vsecattr_t *vsecp, vattr_t *vap) 68{ 69 int isxvattr = (vap->va_mask & AT_XVATTR); 70 switch (type) { 71 case Z_FILE: 72 if (vsecp == NULL && !isxvattr) 73 return (TX_CREATE); 74 if (vsecp && isxvattr) 75#ifdef TODO 76 return (TX_CREATE_ACL_ATTR); 77#else 78 panic("%s:%u: unsupported condition", __func__, __LINE__); 79#endif 80 if (vsecp) 81 return (TX_CREATE_ACL); 82 else 83 return (TX_CREATE_ATTR); 84 /*NOTREACHED*/ 85 case Z_DIR: 86 if (vsecp == NULL && !isxvattr) 87 return (TX_MKDIR); 88 if (vsecp && isxvattr) 89#ifdef TODO 90 return (TX_MKDIR_ACL_ATTR); 91#else 92 panic("%s:%u: unsupported condition", __func__, __LINE__); 93#endif 94 if (vsecp) 95 return (TX_MKDIR_ACL); 96 else 97 return (TX_MKDIR_ATTR); 98 case Z_XATTRDIR: 99 return (TX_MKXATTR); 100 } 101 ASSERT(0); 102 return (TX_MAX_TYPE); 103} 104 105/* 106 * build up the log data necessary for logging xvattr_t 107 * First lr_attr_t is initialized. following the lr_attr_t 108 * is the mapsize and attribute bitmap copied from the xvattr_t. 109 * Following the bitmap and bitmapsize two 64 bit words are reserved 110 * for the create time which may be set. Following the create time 111 * records a single 64 bit integer which has the bits to set on 112 * replay for the xvattr. 113 */ 114static void 115zfs_log_xvattr(lr_attr_t *lrattr, xvattr_t *xvap) 116{ 117 uint32_t *bitmap; 118 uint64_t *attrs; 119 uint64_t *crtime; 120 xoptattr_t *xoap; 121 void *scanstamp; 122 int i; 123 124 xoap = xva_getxoptattr(xvap); 125 ASSERT(xoap); 126 127 lrattr->lr_attr_masksize = xvap->xva_mapsize; 128 bitmap = &lrattr->lr_attr_bitmap; 129 for (i = 0; i != xvap->xva_mapsize; i++, bitmap++) { 130 *bitmap = xvap->xva_reqattrmap[i]; 131 } 132 133 /* Now pack the attributes up in a single uint64_t */ 134 attrs = (uint64_t *)bitmap; 135 crtime = attrs + 1; 136 scanstamp = (caddr_t)(crtime + 2); 137 *attrs = 0; 138 if (XVA_ISSET_REQ(xvap, XAT_READONLY)) 139 *attrs |= (xoap->xoa_readonly == 0) ? 0 : 140 XAT0_READONLY; 141 if (XVA_ISSET_REQ(xvap, XAT_HIDDEN)) 142 *attrs |= (xoap->xoa_hidden == 0) ? 0 : 143 XAT0_HIDDEN; 144 if (XVA_ISSET_REQ(xvap, XAT_SYSTEM)) 145 *attrs |= (xoap->xoa_system == 0) ? 0 : 146 XAT0_SYSTEM; 147 if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE)) 148 *attrs |= (xoap->xoa_archive == 0) ? 0 : 149 XAT0_ARCHIVE; 150 if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE)) 151 *attrs |= (xoap->xoa_immutable == 0) ? 0 : 152 XAT0_IMMUTABLE; 153 if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK)) 154 *attrs |= (xoap->xoa_nounlink == 0) ? 0 : 155 XAT0_NOUNLINK; 156 if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY)) 157 *attrs |= (xoap->xoa_appendonly == 0) ? 0 : 158 XAT0_APPENDONLY; 159 if (XVA_ISSET_REQ(xvap, XAT_OPAQUE)) 160 *attrs |= (xoap->xoa_opaque == 0) ? 0 : 161 XAT0_APPENDONLY; 162 if (XVA_ISSET_REQ(xvap, XAT_NODUMP)) 163 *attrs |= (xoap->xoa_nodump == 0) ? 0 : 164 XAT0_NODUMP; 165 if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED)) 166 *attrs |= (xoap->xoa_av_quarantined == 0) ? 0 : 167 XAT0_AV_QUARANTINED; 168 if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED)) 169 *attrs |= (xoap->xoa_av_modified == 0) ? 0 : 170 XAT0_AV_MODIFIED; 171 if (XVA_ISSET_REQ(xvap, XAT_CREATETIME)) 172 ZFS_TIME_ENCODE(&xoap->xoa_createtime, crtime); 173 if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP)) 174 bcopy(xoap->xoa_av_scanstamp, scanstamp, AV_SCANSTAMP_SZ); 175 if (XVA_ISSET_REQ(xvap, XAT_REPARSE)) 176 *attrs |= (xoap->xoa_reparse == 0) ? 0 : 177 XAT0_REPARSE; 178 if (XVA_ISSET_REQ(xvap, XAT_OFFLINE)) 179 *attrs |= (xoap->xoa_offline == 0) ? 0 : 180 XAT0_OFFLINE; 181 if (XVA_ISSET_REQ(xvap, XAT_SPARSE)) 182 *attrs |= (xoap->xoa_sparse == 0) ? 0 : 183 XAT0_SPARSE; 184} 185 186static void * 187zfs_log_fuid_ids(zfs_fuid_info_t *fuidp, void *start) 188{ 189 zfs_fuid_t *zfuid; 190 uint64_t *fuidloc = start; 191 192 /* First copy in the ACE FUIDs */ 193 for (zfuid = list_head(&fuidp->z_fuids); zfuid; 194 zfuid = list_next(&fuidp->z_fuids, zfuid)) { 195 *fuidloc++ = zfuid->z_logfuid; 196 } 197 return (fuidloc); 198} 199 200 201static void * 202zfs_log_fuid_domains(zfs_fuid_info_t *fuidp, void *start) 203{ 204 zfs_fuid_domain_t *zdomain; 205 206 /* now copy in the domain info, if any */ 207 if (fuidp->z_domain_str_sz != 0) { 208 for (zdomain = list_head(&fuidp->z_domains); zdomain; 209 zdomain = list_next(&fuidp->z_domains, zdomain)) { 210 bcopy((void *)zdomain->z_domain, start, 211 strlen(zdomain->z_domain) + 1); 212 start = (caddr_t)start + 213 strlen(zdomain->z_domain) + 1; 214 } 215 } 216 return (start); 217} 218 219/* 220 * Handles TX_CREATE, TX_CREATE_ATTR, TX_MKDIR, TX_MKDIR_ATTR and 221 * TK_MKXATTR transactions. 222 * 223 * TX_CREATE and TX_MKDIR are standard creates, but they may have FUID 224 * domain information appended prior to the name. In this case the 225 * uid/gid in the log record will be a log centric FUID. 226 * 227 * TX_CREATE_ACL_ATTR and TX_MKDIR_ACL_ATTR handle special creates that 228 * may contain attributes, ACL and optional fuid information. 229 * 230 * TX_CREATE_ACL and TX_MKDIR_ACL handle special creates that specify 231 * and ACL and normal users/groups in the ACEs. 232 * 233 * There may be an optional xvattr attribute information similar 234 * to zfs_log_setattr. 235 * 236 * Also, after the file name "domain" strings may be appended. 237 */ 238void 239zfs_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 240 znode_t *dzp, znode_t *zp, char *name, vsecattr_t *vsecp, 241 zfs_fuid_info_t *fuidp, vattr_t *vap) 242{ 243 itx_t *itx; 244 lr_create_t *lr; 245 lr_acl_create_t *lracl; 246 size_t aclsize = (vsecp != NULL) ? vsecp->vsa_aclentsz : 0; 247 size_t xvatsize = 0; 248 size_t txsize; 249 xvattr_t *xvap = (xvattr_t *)vap; 250 void *end; 251 size_t lrsize; 252 size_t namesize = strlen(name) + 1; 253 size_t fuidsz = 0; 254 255 if (zil_replaying(zilog, tx)) 256 return; 257 258 /* 259 * If we have FUIDs present then add in space for 260 * domains and ACE fuid's if any. 261 */ 262 if (fuidp) { 263 fuidsz += fuidp->z_domain_str_sz; 264 fuidsz += fuidp->z_fuid_cnt * sizeof (uint64_t); 265 } 266 267 if (vap->va_mask & AT_XVATTR) 268 xvatsize = ZIL_XVAT_SIZE(xvap->xva_mapsize); 269 270 if ((int)txtype == TX_CREATE_ATTR || (int)txtype == TX_MKDIR_ATTR || 271 (int)txtype == TX_CREATE || (int)txtype == TX_MKDIR || 272 (int)txtype == TX_MKXATTR) { 273 txsize = sizeof (*lr) + namesize + fuidsz + xvatsize; 274 lrsize = sizeof (*lr); 275 } else { 276 txsize = 277 sizeof (lr_acl_create_t) + namesize + fuidsz + 278 ZIL_ACE_LENGTH(aclsize) + xvatsize; 279 lrsize = sizeof (lr_acl_create_t); 280 } 281 282 itx = zil_itx_create(txtype, txsize); 283 284 lr = (lr_create_t *)&itx->itx_lr; 285 lr->lr_doid = dzp->z_id; 286 lr->lr_foid = zp->z_id; 287 lr->lr_mode = zp->z_mode; 288 if (!IS_EPHEMERAL(zp->z_uid)) { 289 lr->lr_uid = (uint64_t)zp->z_uid; 290 } else { 291 lr->lr_uid = fuidp->z_fuid_owner; 292 } 293 if (!IS_EPHEMERAL(zp->z_gid)) { 294 lr->lr_gid = (uint64_t)zp->z_gid; 295 } else { 296 lr->lr_gid = fuidp->z_fuid_group; 297 } 298 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zp->z_zfsvfs), &lr->lr_gen, 299 sizeof (uint64_t)); 300 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zp->z_zfsvfs), 301 lr->lr_crtime, sizeof (uint64_t) * 2); 302 303 if (sa_lookup(zp->z_sa_hdl, SA_ZPL_RDEV(zp->z_zfsvfs), &lr->lr_rdev, 304 sizeof (lr->lr_rdev)) != 0) 305 lr->lr_rdev = 0; 306 307 /* 308 * Fill in xvattr info if any 309 */ 310 if (vap->va_mask & AT_XVATTR) { 311 zfs_log_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), xvap); 312 end = (caddr_t)lr + lrsize + xvatsize; 313 } else { 314 end = (caddr_t)lr + lrsize; 315 } 316 317 /* Now fill in any ACL info */ 318 319 if (vsecp) { 320 lracl = (lr_acl_create_t *)&itx->itx_lr; 321 lracl->lr_aclcnt = vsecp->vsa_aclcnt; 322 lracl->lr_acl_bytes = aclsize; 323 lracl->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0; 324 lracl->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0; 325 if (vsecp->vsa_aclflags & VSA_ACE_ACLFLAGS) 326 lracl->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags; 327 else 328 lracl->lr_acl_flags = 0; 329 330 bcopy(vsecp->vsa_aclentp, end, aclsize); 331 end = (caddr_t)end + ZIL_ACE_LENGTH(aclsize); 332 } 333 334 /* drop in FUID info */ 335 if (fuidp) { 336 end = zfs_log_fuid_ids(fuidp, end); 337 end = zfs_log_fuid_domains(fuidp, end); 338 } 339 /* 340 * Now place file name in log record 341 */ 342 bcopy(name, end, namesize); 343 344 zil_itx_assign(zilog, itx, tx); 345} 346 347/* 348 * Handles both TX_REMOVE and TX_RMDIR transactions. 349 */ 350void 351zfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 352 znode_t *dzp, char *name, uint64_t foid) 353{ 354 itx_t *itx; 355 lr_remove_t *lr; 356 size_t namesize = strlen(name) + 1; 357 358 if (zil_replaying(zilog, tx)) 359 return; 360 361 itx = zil_itx_create(txtype, sizeof (*lr) + namesize); 362 lr = (lr_remove_t *)&itx->itx_lr; 363 lr->lr_doid = dzp->z_id; 364 bcopy(name, (char *)(lr + 1), namesize); 365 366 itx->itx_oid = foid; 367 368 zil_itx_assign(zilog, itx, tx); 369} 370 371/* 372 * Handles TX_LINK transactions. 373 */ 374void 375zfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 376 znode_t *dzp, znode_t *zp, char *name) 377{ 378 itx_t *itx; 379 lr_link_t *lr; 380 size_t namesize = strlen(name) + 1; 381 382 if (zil_replaying(zilog, tx)) 383 return; 384 385 itx = zil_itx_create(txtype, sizeof (*lr) + namesize); 386 lr = (lr_link_t *)&itx->itx_lr; 387 lr->lr_doid = dzp->z_id; 388 lr->lr_link_obj = zp->z_id; 389 bcopy(name, (char *)(lr + 1), namesize); 390 391 zil_itx_assign(zilog, itx, tx); 392} 393 394/* 395 * Handles TX_SYMLINK transactions. 396 */ 397void 398zfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 399 znode_t *dzp, znode_t *zp, char *name, char *link) 400{ 401 itx_t *itx; 402 lr_create_t *lr; 403 size_t namesize = strlen(name) + 1; 404 size_t linksize = strlen(link) + 1; 405 406 if (zil_replaying(zilog, tx)) 407 return; 408 409 itx = zil_itx_create(txtype, sizeof (*lr) + namesize + linksize); 410 lr = (lr_create_t *)&itx->itx_lr; 411 lr->lr_doid = dzp->z_id; 412 lr->lr_foid = zp->z_id; 413 lr->lr_uid = zp->z_uid; 414 lr->lr_gid = zp->z_gid; 415 lr->lr_mode = zp->z_mode; 416 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zp->z_zfsvfs), &lr->lr_gen, 417 sizeof (uint64_t)); 418 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zp->z_zfsvfs), 419 lr->lr_crtime, sizeof (uint64_t) * 2); 420 bcopy(name, (char *)(lr + 1), namesize); 421 bcopy(link, (char *)(lr + 1) + namesize, linksize); 422 423 zil_itx_assign(zilog, itx, tx); 424} 425 426/* 427 * Handles TX_RENAME transactions. 428 */ 429void 430zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 431 znode_t *sdzp, char *sname, znode_t *tdzp, char *dname, znode_t *szp) 432{ 433 itx_t *itx; 434 lr_rename_t *lr; 435 size_t snamesize = strlen(sname) + 1; 436 size_t dnamesize = strlen(dname) + 1; 437 438 if (zil_replaying(zilog, tx)) 439 return; 440 441 itx = zil_itx_create(txtype, sizeof (*lr) + snamesize + dnamesize); 442 lr = (lr_rename_t *)&itx->itx_lr; 443 lr->lr_sdoid = sdzp->z_id; 444 lr->lr_tdoid = tdzp->z_id; 445 bcopy(sname, (char *)(lr + 1), snamesize); 446 bcopy(dname, (char *)(lr + 1) + snamesize, dnamesize); 447 itx->itx_oid = szp->z_id; 448 449 zil_itx_assign(zilog, itx, tx); 450} 451 452/* 453 * Handles TX_WRITE transactions. 454 */ 455ssize_t zfs_immediate_write_sz = 32768; 456 457void 458zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype, 459 znode_t *zp, offset_t off, ssize_t resid, int ioflag) 460{ 461 itx_wr_state_t write_state; 462 boolean_t slogging; 463 uintptr_t fsync_cnt; 464 ssize_t immediate_write_sz; 465 466 if (zil_replaying(zilog, tx) || zp->z_unlinked) 467 return; 468 469 immediate_write_sz = (zilog->zl_logbias == ZFS_LOGBIAS_THROUGHPUT) 470 ? 0 : zfs_immediate_write_sz; 471 472 slogging = spa_has_slogs(zilog->zl_spa) && 473 (zilog->zl_logbias == ZFS_LOGBIAS_LATENCY); 474 if (resid > immediate_write_sz && !slogging && resid <= zp->z_blksz) 475 write_state = WR_INDIRECT; 476 else if (ioflag & (FSYNC | FDSYNC)) 477 write_state = WR_COPIED; 478 else 479 write_state = WR_NEED_COPY; 480 481 if ((fsync_cnt = (uintptr_t)tsd_get(zfs_fsyncer_key)) != 0) { 482 (void) tsd_set(zfs_fsyncer_key, (void *)(fsync_cnt - 1)); 483 } 484 485 while (resid) { 486 itx_t *itx; 487 lr_write_t *lr; 488 ssize_t len; 489 490 /* 491 * If the write would overflow the largest block then split it. 492 */ 493 if (write_state != WR_INDIRECT && resid > ZIL_MAX_LOG_DATA) 494 len = SPA_OLD_MAXBLOCKSIZE >> 1; 495 else 496 len = resid; 497 498 itx = zil_itx_create(txtype, sizeof (*lr) + 499 (write_state == WR_COPIED ? len : 0)); 500 lr = (lr_write_t *)&itx->itx_lr; 501 if (write_state == WR_COPIED && dmu_read(zp->z_zfsvfs->z_os, 502 zp->z_id, off, len, lr + 1, DMU_READ_NO_PREFETCH) != 0) { 503 zil_itx_destroy(itx); 504 itx = zil_itx_create(txtype, sizeof (*lr)); 505 lr = (lr_write_t *)&itx->itx_lr; 506 write_state = WR_NEED_COPY; 507 } 508 509 itx->itx_wr_state = write_state; 510 if (write_state == WR_NEED_COPY) 511 itx->itx_sod += len; 512 lr->lr_foid = zp->z_id; 513 lr->lr_offset = off; 514 lr->lr_length = len; 515 lr->lr_blkoff = 0; 516 BP_ZERO(&lr->lr_blkptr); 517 518 itx->itx_private = zp->z_zfsvfs; 519 520 if (!(ioflag & (FSYNC | FDSYNC)) && (zp->z_sync_cnt == 0) && 521 (fsync_cnt == 0)) 522 itx->itx_sync = B_FALSE; 523 524 zil_itx_assign(zilog, itx, tx); 525 526 off += len; 527 resid -= len; 528 } 529} 530 531/* 532 * Handles TX_TRUNCATE transactions. 533 */ 534void 535zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype, 536 znode_t *zp, uint64_t off, uint64_t len) 537{ 538 itx_t *itx; 539 lr_truncate_t *lr; 540 541 if (zil_replaying(zilog, tx) || zp->z_unlinked) 542 return; 543 544 itx = zil_itx_create(txtype, sizeof (*lr)); 545 lr = (lr_truncate_t *)&itx->itx_lr; 546 lr->lr_foid = zp->z_id; 547 lr->lr_offset = off; 548 lr->lr_length = len; 549 550 itx->itx_sync = (zp->z_sync_cnt != 0); 551 zil_itx_assign(zilog, itx, tx); 552} 553 554/* 555 * Handles TX_SETATTR transactions. 556 */ 557void 558zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype, 559 znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp) 560{ 561 itx_t *itx; 562 lr_setattr_t *lr; 563 xvattr_t *xvap = (xvattr_t *)vap; 564 size_t recsize = sizeof (lr_setattr_t); 565 void *start; 566 567 if (zil_replaying(zilog, tx) || zp->z_unlinked) 568 return; 569 570 /* 571 * If XVATTR set, then log record size needs to allow 572 * for lr_attr_t + xvattr mask, mapsize and create time 573 * plus actual attribute values 574 */ 575 if (vap->va_mask & AT_XVATTR) 576 recsize = sizeof (*lr) + ZIL_XVAT_SIZE(xvap->xva_mapsize); 577 578 if (fuidp) 579 recsize += fuidp->z_domain_str_sz; 580 581 itx = zil_itx_create(txtype, recsize); 582 lr = (lr_setattr_t *)&itx->itx_lr; 583 lr->lr_foid = zp->z_id; 584 lr->lr_mask = (uint64_t)mask_applied; 585 lr->lr_mode = (uint64_t)vap->va_mode; 586 if ((mask_applied & AT_UID) && IS_EPHEMERAL(vap->va_uid)) 587 lr->lr_uid = fuidp->z_fuid_owner; 588 else 589 lr->lr_uid = (uint64_t)vap->va_uid; 590 591 if ((mask_applied & AT_GID) && IS_EPHEMERAL(vap->va_gid)) 592 lr->lr_gid = fuidp->z_fuid_group; 593 else 594 lr->lr_gid = (uint64_t)vap->va_gid; 595 596 lr->lr_size = (uint64_t)vap->va_size; 597 ZFS_TIME_ENCODE(&vap->va_atime, lr->lr_atime); 598 ZFS_TIME_ENCODE(&vap->va_mtime, lr->lr_mtime); 599 start = (lr_setattr_t *)(lr + 1); 600 if (vap->va_mask & AT_XVATTR) { 601 zfs_log_xvattr((lr_attr_t *)start, xvap); 602 start = (caddr_t)start + ZIL_XVAT_SIZE(xvap->xva_mapsize); 603 } 604 605 /* 606 * Now stick on domain information if any on end 607 */ 608 609 if (fuidp) 610 (void) zfs_log_fuid_domains(fuidp, start); 611 612 itx->itx_sync = (zp->z_sync_cnt != 0); 613 zil_itx_assign(zilog, itx, tx); 614} 615 616/* 617 * Handles TX_ACL transactions. 618 */ 619void 620zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp, 621 vsecattr_t *vsecp, zfs_fuid_info_t *fuidp) 622{ 623 itx_t *itx; 624 lr_acl_v0_t *lrv0; 625 lr_acl_t *lr; 626 int txtype; 627 int lrsize; 628 size_t txsize; 629 size_t aclbytes = vsecp->vsa_aclentsz; 630 631 if (zil_replaying(zilog, tx) || zp->z_unlinked) 632 return; 633 634 txtype = (zp->z_zfsvfs->z_version < ZPL_VERSION_FUID) ? 635 TX_ACL_V0 : TX_ACL; 636 637 if (txtype == TX_ACL) 638 lrsize = sizeof (*lr); 639 else 640 lrsize = sizeof (*lrv0); 641 642 txsize = lrsize + 643 ((txtype == TX_ACL) ? ZIL_ACE_LENGTH(aclbytes) : aclbytes) + 644 (fuidp ? fuidp->z_domain_str_sz : 0) + 645 sizeof (uint64_t) * (fuidp ? fuidp->z_fuid_cnt : 0); 646 647 itx = zil_itx_create(txtype, txsize); 648 649 lr = (lr_acl_t *)&itx->itx_lr; 650 lr->lr_foid = zp->z_id; 651 if (txtype == TX_ACL) { 652 lr->lr_acl_bytes = aclbytes; 653 lr->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0; 654 lr->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0; 655 if (vsecp->vsa_mask & VSA_ACE_ACLFLAGS) 656 lr->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags; 657 else 658 lr->lr_acl_flags = 0; 659 } 660 lr->lr_aclcnt = (uint64_t)vsecp->vsa_aclcnt; 661 662 if (txtype == TX_ACL_V0) { 663 lrv0 = (lr_acl_v0_t *)lr; 664 bcopy(vsecp->vsa_aclentp, (ace_t *)(lrv0 + 1), aclbytes); 665 } else { 666 void *start = (ace_t *)(lr + 1); 667 668 bcopy(vsecp->vsa_aclentp, start, aclbytes); 669 670 start = (caddr_t)start + ZIL_ACE_LENGTH(aclbytes); 671 672 if (fuidp) { 673 start = zfs_log_fuid_ids(fuidp, start); 674 (void) zfs_log_fuid_domains(fuidp, start); 675 } 676 } 677 678 itx->itx_sync = (zp->z_sync_cnt != 0); 679 zil_itx_assign(zilog, itx, tx); 680} 681