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 * Copyright (c) 2014 Integros [integros.com] 25 */ 26 27 #include <sys/types.h> 28 #include <sys/param.h> 29 #include <sys/systm.h> 30 #include <sys/sysmacros.h> 31 #include <sys/cmn_err.h> 32 #include <sys/kmem.h> 33 #include <sys/thread.h> 34 #include <sys/file.h> 35 #include <sys/vfs.h> 36 #include <sys/zfs_znode.h> 37 #include <sys/zfs_dir.h> 38 #include <sys/zil.h> 39 #include <sys/zil_impl.h> 40 #include <sys/byteorder.h> 41 #include <sys/policy.h> 42 #include <sys/stat.h> 43 #include <sys/mode.h> 44 #include <sys/acl.h> 45 #include <sys/dmu.h> 46 #include <sys/spa.h> 47 #include <sys/zfs_fuid.h> 48 #include <sys/ddi.h> 49 #include <sys/dsl_dataset.h> 50 51 /* 52 * These zfs_log_* functions must be called within a dmu tx, in one 53 * of 2 contexts depending on zilog->z_replay: 54 * 55 * Non replay mode 56 * --------------- 57 * We need to record the transaction so that if it is committed to 58 * the Intent Log then it can be replayed. An intent log transaction 59 * structure (itx_t) is allocated and all the information necessary to 60 * possibly replay the transaction is saved in it. The itx is then assigned 61 * a sequence number and inserted in the in-memory list anchored in the zilog. 62 * 63 * Replay mode 64 * ----------- 65 * We need to mark the intent log record as replayed in the log header. 66 * This is done in the same transaction as the replay so that they 67 * commit atomically. 68 */ 69 70 int 71 zfs_log_create_txtype(zil_create_t type, vsecattr_t *vsecp, vattr_t *vap) 72 { 73 int isxvattr = (vap->va_mask & AT_XVATTR); 74 switch (type) { 75 case Z_FILE: 76 if (vsecp == NULL && !isxvattr) 77 return (TX_CREATE); 78 if (vsecp && isxvattr) 79 return (TX_CREATE_ACL_ATTR); 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 return (TX_MKDIR_ACL_ATTR); 90 if (vsecp) 91 return (TX_MKDIR_ACL); 92 else 93 return (TX_MKDIR_ATTR); 94 case Z_XATTRDIR: 95 return (TX_MKXATTR); 96 } 97 ASSERT(0); 98 return (TX_MAX_TYPE); 99 } 100 101 /* 102 * build up the log data necessary for logging xvattr_t 103 * First lr_attr_t is initialized. following the lr_attr_t 104 * is the mapsize and attribute bitmap copied from the xvattr_t. 105 * Following the bitmap and bitmapsize two 64 bit words are reserved 106 * for the create time which may be set. Following the create time 107 * records a single 64 bit integer which has the bits to set on 108 * replay for the xvattr. 109 */ 110 static void 111 zfs_log_xvattr(lr_attr_t *lrattr, xvattr_t *xvap) 112 { 113 uint32_t *bitmap; 114 uint64_t *attrs; 115 uint64_t *crtime; 116 xoptattr_t *xoap; 117 void *scanstamp; 118 int i; 119 120 xoap = xva_getxoptattr(xvap); 121 ASSERT(xoap); 122 123 lrattr->lr_attr_masksize = xvap->xva_mapsize; 124 bitmap = &lrattr->lr_attr_bitmap; 125 for (i = 0; i != xvap->xva_mapsize; i++, bitmap++) { 126 *bitmap = xvap->xva_reqattrmap[i]; 127 } 128 129 /* Now pack the attributes up in a single uint64_t */ 130 attrs = (uint64_t *)bitmap; 131 crtime = attrs + 1; 132 scanstamp = (caddr_t)(crtime + 2); 133 *attrs = 0; 134 if (XVA_ISSET_REQ(xvap, XAT_READONLY)) 135 *attrs |= (xoap->xoa_readonly == 0) ? 0 : 136 XAT0_READONLY; 137 if (XVA_ISSET_REQ(xvap, XAT_HIDDEN)) 138 *attrs |= (xoap->xoa_hidden == 0) ? 0 : 139 XAT0_HIDDEN; 140 if (XVA_ISSET_REQ(xvap, XAT_SYSTEM)) 141 *attrs |= (xoap->xoa_system == 0) ? 0 : 142 XAT0_SYSTEM; 143 if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE)) 144 *attrs |= (xoap->xoa_archive == 0) ? 0 : 145 XAT0_ARCHIVE; 146 if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE)) 147 *attrs |= (xoap->xoa_immutable == 0) ? 0 : 148 XAT0_IMMUTABLE; 149 if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK)) 150 *attrs |= (xoap->xoa_nounlink == 0) ? 0 : 151 XAT0_NOUNLINK; 152 if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY)) 153 *attrs |= (xoap->xoa_appendonly == 0) ? 0 : 154 XAT0_APPENDONLY; 155 if (XVA_ISSET_REQ(xvap, XAT_OPAQUE)) 156 *attrs |= (xoap->xoa_opaque == 0) ? 0 : 157 XAT0_APPENDONLY; 158 if (XVA_ISSET_REQ(xvap, XAT_NODUMP)) 159 *attrs |= (xoap->xoa_nodump == 0) ? 0 : 160 XAT0_NODUMP; 161 if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED)) 162 *attrs |= (xoap->xoa_av_quarantined == 0) ? 0 : 163 XAT0_AV_QUARANTINED; 164 if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED)) 165 *attrs |= (xoap->xoa_av_modified == 0) ? 0 : 166 XAT0_AV_MODIFIED; 167 if (XVA_ISSET_REQ(xvap, XAT_CREATETIME)) 168 ZFS_TIME_ENCODE(&xoap->xoa_createtime, crtime); 169 if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP)) { 170 ASSERT(!XVA_ISSET_REQ(xvap, XAT_PROJID)); 171 172 bcopy(xoap->xoa_av_scanstamp, scanstamp, AV_SCANSTAMP_SZ); 173 } else if (XVA_ISSET_REQ(xvap, XAT_PROJID)) { 174 /* 175 * XAT_PROJID and XAT_AV_SCANSTAMP will never be valid 176 * at the same time, so we can share the same space. 177 */ 178 bcopy(&xoap->xoa_projid, scanstamp, sizeof (uint64_t)); 179 } 180 if (XVA_ISSET_REQ(xvap, XAT_REPARSE)) 181 *attrs |= (xoap->xoa_reparse == 0) ? 0 : 182 XAT0_REPARSE; 183 if (XVA_ISSET_REQ(xvap, XAT_OFFLINE)) 184 *attrs |= (xoap->xoa_offline == 0) ? 0 : 185 XAT0_OFFLINE; 186 if (XVA_ISSET_REQ(xvap, XAT_SPARSE)) 187 *attrs |= (xoap->xoa_sparse == 0) ? 0 : 188 XAT0_SPARSE; 189 if (XVA_ISSET_REQ(xvap, XAT_PROJINHERIT)) 190 *attrs |= (xoap->xoa_projinherit == 0) ? 0 : 191 XAT0_PROJINHERIT; 192 } 193 194 static void * 195 zfs_log_fuid_ids(zfs_fuid_info_t *fuidp, void *start) 196 { 197 zfs_fuid_t *zfuid; 198 uint64_t *fuidloc = start; 199 200 /* First copy in the ACE FUIDs */ 201 for (zfuid = list_head(&fuidp->z_fuids); zfuid; 202 zfuid = list_next(&fuidp->z_fuids, zfuid)) { 203 *fuidloc++ = zfuid->z_logfuid; 204 } 205 return (fuidloc); 206 } 207 208 209 static void * 210 zfs_log_fuid_domains(zfs_fuid_info_t *fuidp, void *start) 211 { 212 zfs_fuid_domain_t *zdomain; 213 214 /* now copy in the domain info, if any */ 215 if (fuidp->z_domain_str_sz != 0) { 216 for (zdomain = list_head(&fuidp->z_domains); zdomain; 217 zdomain = list_next(&fuidp->z_domains, zdomain)) { 218 bcopy((void *)zdomain->z_domain, start, 219 strlen(zdomain->z_domain) + 1); 220 start = (caddr_t)start + 221 strlen(zdomain->z_domain) + 1; 222 } 223 } 224 return (start); 225 } 226 227 /* 228 * Handles TX_CREATE, TX_CREATE_ATTR, TX_MKDIR, TX_MKDIR_ATTR and 229 * TK_MKXATTR transactions. 230 * 231 * TX_CREATE and TX_MKDIR are standard creates, but they may have FUID 232 * domain information appended prior to the name. In this case the 233 * uid/gid in the log record will be a log centric FUID. 234 * 235 * TX_CREATE_ACL_ATTR and TX_MKDIR_ACL_ATTR handle special creates that 236 * may contain attributes, ACL and optional fuid information. 237 * 238 * TX_CREATE_ACL and TX_MKDIR_ACL handle special creates that specify 239 * and ACL and normal users/groups in the ACEs. 240 * 241 * There may be an optional xvattr attribute information similar 242 * to zfs_log_setattr. 243 * 244 * Also, after the file name "domain" strings may be appended. 245 */ 246 void 247 zfs_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 248 znode_t *dzp, znode_t *zp, char *name, vsecattr_t *vsecp, 249 zfs_fuid_info_t *fuidp, vattr_t *vap) 250 { 251 itx_t *itx; 252 lr_create_t *lr; 253 lr_acl_create_t *lracl; 254 size_t aclsize = (vsecp != NULL) ? vsecp->vsa_aclentsz : 0; 255 size_t xvatsize = 0; 256 size_t txsize; 257 xvattr_t *xvap = (xvattr_t *)vap; 258 void *end; 259 size_t lrsize; 260 size_t namesize = strlen(name) + 1; 261 size_t fuidsz = 0; 262 263 if (zil_replaying(zilog, tx)) 264 return; 265 266 /* 267 * If we have FUIDs present then add in space for 268 * domains and ACE fuid's if any. 269 */ 270 if (fuidp) { 271 fuidsz += fuidp->z_domain_str_sz; 272 fuidsz += fuidp->z_fuid_cnt * sizeof (uint64_t); 273 } 274 275 if (vap->va_mask & AT_XVATTR) 276 xvatsize = ZIL_XVAT_SIZE(xvap->xva_mapsize); 277 278 if ((int)txtype == TX_CREATE_ATTR || (int)txtype == TX_MKDIR_ATTR || 279 (int)txtype == TX_CREATE || (int)txtype == TX_MKDIR || 280 (int)txtype == TX_MKXATTR) { 281 txsize = sizeof (*lr) + namesize + fuidsz + xvatsize; 282 lrsize = sizeof (*lr); 283 } else { 284 txsize = 285 sizeof (lr_acl_create_t) + namesize + fuidsz + 286 ZIL_ACE_LENGTH(aclsize) + xvatsize; 287 lrsize = sizeof (lr_acl_create_t); 288 } 289 290 itx = zil_itx_create(txtype, txsize); 291 292 lr = (lr_create_t *)&itx->itx_lr; 293 lr->lr_doid = dzp->z_id; 294 lr->lr_foid = zp->z_id; 295 /* Store dnode slot count in 8 bits above object id. */ 296 LR_FOID_SET_SLOTS(lr->lr_foid, zp->z_dnodesize >> DNODE_SHIFT); 297 lr->lr_mode = zp->z_mode; 298 if (!IS_EPHEMERAL(zp->z_uid)) { 299 lr->lr_uid = (uint64_t)zp->z_uid; 300 } else { 301 lr->lr_uid = fuidp->z_fuid_owner; 302 } 303 if (!IS_EPHEMERAL(zp->z_gid)) { 304 lr->lr_gid = (uint64_t)zp->z_gid; 305 } else { 306 lr->lr_gid = fuidp->z_fuid_group; 307 } 308 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zp->z_zfsvfs), &lr->lr_gen, 309 sizeof (uint64_t)); 310 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zp->z_zfsvfs), 311 lr->lr_crtime, sizeof (uint64_t) * 2); 312 313 if (sa_lookup(zp->z_sa_hdl, SA_ZPL_RDEV(zp->z_zfsvfs), &lr->lr_rdev, 314 sizeof (lr->lr_rdev)) != 0) 315 lr->lr_rdev = 0; 316 317 /* 318 * Fill in xvattr info if any 319 */ 320 if (vap->va_mask & AT_XVATTR) { 321 zfs_log_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), xvap); 322 end = (caddr_t)lr + lrsize + xvatsize; 323 } else { 324 end = (caddr_t)lr + lrsize; 325 } 326 327 /* Now fill in any ACL info */ 328 329 if (vsecp) { 330 lracl = (lr_acl_create_t *)&itx->itx_lr; 331 lracl->lr_aclcnt = vsecp->vsa_aclcnt; 332 lracl->lr_acl_bytes = aclsize; 333 lracl->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0; 334 lracl->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0; 335 if (vsecp->vsa_aclflags & VSA_ACE_ACLFLAGS) 336 lracl->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags; 337 else 338 lracl->lr_acl_flags = 0; 339 340 bcopy(vsecp->vsa_aclentp, end, aclsize); 341 end = (caddr_t)end + ZIL_ACE_LENGTH(aclsize); 342 } 343 344 /* drop in FUID info */ 345 if (fuidp) { 346 end = zfs_log_fuid_ids(fuidp, end); 347 end = zfs_log_fuid_domains(fuidp, end); 348 } 349 /* 350 * Now place file name in log record 351 */ 352 bcopy(name, end, namesize); 353 354 zil_itx_assign(zilog, itx, tx); 355 } 356 357 /* 358 * Handles both TX_REMOVE and TX_RMDIR transactions. 359 */ 360 void 361 zfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 362 znode_t *dzp, char *name, uint64_t foid) 363 { 364 itx_t *itx; 365 lr_remove_t *lr; 366 size_t namesize = strlen(name) + 1; 367 368 if (zil_replaying(zilog, tx)) 369 return; 370 371 itx = zil_itx_create(txtype, sizeof (*lr) + namesize); 372 lr = (lr_remove_t *)&itx->itx_lr; 373 lr->lr_doid = dzp->z_id; 374 bcopy(name, (char *)(lr + 1), namesize); 375 376 itx->itx_oid = foid; 377 378 zil_itx_assign(zilog, itx, tx); 379 } 380 381 /* 382 * Handles TX_LINK transactions. 383 */ 384 void 385 zfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 386 znode_t *dzp, znode_t *zp, char *name) 387 { 388 itx_t *itx; 389 lr_link_t *lr; 390 size_t namesize = strlen(name) + 1; 391 392 if (zil_replaying(zilog, tx)) 393 return; 394 395 itx = zil_itx_create(txtype, sizeof (*lr) + namesize); 396 lr = (lr_link_t *)&itx->itx_lr; 397 lr->lr_doid = dzp->z_id; 398 lr->lr_link_obj = zp->z_id; 399 bcopy(name, (char *)(lr + 1), namesize); 400 401 zil_itx_assign(zilog, itx, tx); 402 } 403 404 /* 405 * Handles TX_SYMLINK transactions. 406 */ 407 void 408 zfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 409 znode_t *dzp, znode_t *zp, char *name, char *link) 410 { 411 itx_t *itx; 412 lr_create_t *lr; 413 size_t namesize = strlen(name) + 1; 414 size_t linksize = strlen(link) + 1; 415 416 if (zil_replaying(zilog, tx)) 417 return; 418 419 itx = zil_itx_create(txtype, sizeof (*lr) + namesize + linksize); 420 lr = (lr_create_t *)&itx->itx_lr; 421 lr->lr_doid = dzp->z_id; 422 lr->lr_foid = zp->z_id; 423 lr->lr_uid = zp->z_uid; 424 lr->lr_gid = zp->z_gid; 425 lr->lr_mode = zp->z_mode; 426 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zp->z_zfsvfs), &lr->lr_gen, 427 sizeof (uint64_t)); 428 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zp->z_zfsvfs), 429 lr->lr_crtime, sizeof (uint64_t) * 2); 430 bcopy(name, (char *)(lr + 1), namesize); 431 bcopy(link, (char *)(lr + 1) + namesize, linksize); 432 433 zil_itx_assign(zilog, itx, tx); 434 } 435 436 /* 437 * Handles TX_RENAME transactions. 438 */ 439 void 440 zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 441 znode_t *sdzp, char *sname, znode_t *tdzp, char *dname, znode_t *szp) 442 { 443 itx_t *itx; 444 lr_rename_t *lr; 445 size_t snamesize = strlen(sname) + 1; 446 size_t dnamesize = strlen(dname) + 1; 447 448 if (zil_replaying(zilog, tx)) 449 return; 450 451 itx = zil_itx_create(txtype, sizeof (*lr) + snamesize + dnamesize); 452 lr = (lr_rename_t *)&itx->itx_lr; 453 lr->lr_sdoid = sdzp->z_id; 454 lr->lr_tdoid = tdzp->z_id; 455 bcopy(sname, (char *)(lr + 1), snamesize); 456 bcopy(dname, (char *)(lr + 1) + snamesize, dnamesize); 457 itx->itx_oid = szp->z_id; 458 459 zil_itx_assign(zilog, itx, tx); 460 } 461 462 /* 463 * Handles TX_WRITE transactions. 464 */ 465 ssize_t zfs_immediate_write_sz = 32768; 466 467 void 468 zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype, 469 znode_t *zp, offset_t off, ssize_t resid, int ioflag) 470 { 471 uint32_t blocksize = zp->z_blksz; 472 itx_wr_state_t write_state; 473 uintptr_t fsync_cnt; 474 475 if (zil_replaying(zilog, tx) || zp->z_unlinked) 476 return; 477 478 if (zilog->zl_logbias == ZFS_LOGBIAS_THROUGHPUT) 479 write_state = WR_INDIRECT; 480 else if (!spa_has_slogs(zilog->zl_spa) && 481 resid >= zfs_immediate_write_sz) 482 write_state = WR_INDIRECT; 483 else if (ioflag & (FSYNC | FDSYNC)) 484 write_state = WR_COPIED; 485 else 486 write_state = WR_NEED_COPY; 487 488 if ((fsync_cnt = (uintptr_t)tsd_get(zfs_fsyncer_key)) != 0) { 489 (void) tsd_set(zfs_fsyncer_key, (void *)(fsync_cnt - 1)); 490 } 491 492 while (resid) { 493 itx_t *itx; 494 lr_write_t *lr; 495 itx_wr_state_t wr_state = write_state; 496 ssize_t len = resid; 497 498 if (wr_state == WR_COPIED && resid > ZIL_MAX_COPIED_DATA) 499 wr_state = WR_NEED_COPY; 500 else if (wr_state == WR_INDIRECT) 501 len = MIN(blocksize - P2PHASE(off, blocksize), resid); 502 503 itx = zil_itx_create(txtype, sizeof (*lr) + 504 (wr_state == WR_COPIED ? len : 0)); 505 lr = (lr_write_t *)&itx->itx_lr; 506 if (wr_state == WR_COPIED && dmu_read(zp->z_zfsvfs->z_os, 507 zp->z_id, off, len, lr + 1, DMU_READ_NO_PREFETCH) != 0) { 508 zil_itx_destroy(itx); 509 itx = zil_itx_create(txtype, sizeof (*lr)); 510 lr = (lr_write_t *)&itx->itx_lr; 511 wr_state = WR_NEED_COPY; 512 } 513 514 itx->itx_wr_state = wr_state; 515 lr->lr_foid = zp->z_id; 516 lr->lr_offset = off; 517 lr->lr_length = len; 518 lr->lr_blkoff = 0; 519 BP_ZERO(&lr->lr_blkptr); 520 521 itx->itx_private = zp->z_zfsvfs; 522 523 if (!(ioflag & (FSYNC | FDSYNC)) && (zp->z_sync_cnt == 0) && 524 (fsync_cnt == 0)) 525 itx->itx_sync = B_FALSE; 526 527 zil_itx_assign(zilog, itx, tx); 528 529 off += len; 530 resid -= len; 531 } 532 } 533 534 /* 535 * Handles TX_TRUNCATE transactions. 536 */ 537 void 538 zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype, 539 znode_t *zp, uint64_t off, uint64_t len) 540 { 541 itx_t *itx; 542 lr_truncate_t *lr; 543 544 if (zil_replaying(zilog, tx) || zp->z_unlinked) 545 return; 546 547 itx = zil_itx_create(txtype, sizeof (*lr)); 548 lr = (lr_truncate_t *)&itx->itx_lr; 549 lr->lr_foid = zp->z_id; 550 lr->lr_offset = off; 551 lr->lr_length = len; 552 553 itx->itx_sync = (zp->z_sync_cnt != 0); 554 zil_itx_assign(zilog, itx, tx); 555 } 556 557 /* 558 * Handles TX_SETATTR transactions. 559 */ 560 void 561 zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype, 562 znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp) 563 { 564 itx_t *itx; 565 lr_setattr_t *lr; 566 xvattr_t *xvap = (xvattr_t *)vap; 567 size_t recsize = sizeof (lr_setattr_t); 568 void *start; 569 570 if (zil_replaying(zilog, tx) || zp->z_unlinked) 571 return; 572 573 /* 574 * If XVATTR set, then log record size needs to allow 575 * for lr_attr_t + xvattr mask, mapsize and create time 576 * plus actual attribute values 577 */ 578 if (vap->va_mask & AT_XVATTR) 579 recsize = sizeof (*lr) + ZIL_XVAT_SIZE(xvap->xva_mapsize); 580 581 if (fuidp) 582 recsize += fuidp->z_domain_str_sz; 583 584 itx = zil_itx_create(txtype, recsize); 585 lr = (lr_setattr_t *)&itx->itx_lr; 586 lr->lr_foid = zp->z_id; 587 lr->lr_mask = (uint64_t)mask_applied; 588 lr->lr_mode = (uint64_t)vap->va_mode; 589 if ((mask_applied & AT_UID) && IS_EPHEMERAL(vap->va_uid)) 590 lr->lr_uid = fuidp->z_fuid_owner; 591 else 592 lr->lr_uid = (uint64_t)vap->va_uid; 593 594 if ((mask_applied & AT_GID) && IS_EPHEMERAL(vap->va_gid)) 595 lr->lr_gid = fuidp->z_fuid_group; 596 else 597 lr->lr_gid = (uint64_t)vap->va_gid; 598 599 lr->lr_size = (uint64_t)vap->va_size; 600 ZFS_TIME_ENCODE(&vap->va_atime, lr->lr_atime); 601 ZFS_TIME_ENCODE(&vap->va_mtime, lr->lr_mtime); 602 start = (lr_setattr_t *)(lr + 1); 603 if (vap->va_mask & AT_XVATTR) { 604 zfs_log_xvattr((lr_attr_t *)start, xvap); 605 start = (caddr_t)start + ZIL_XVAT_SIZE(xvap->xva_mapsize); 606 } 607 608 /* 609 * Now stick on domain information if any on end 610 */ 611 612 if (fuidp) 613 (void) zfs_log_fuid_domains(fuidp, start); 614 615 itx->itx_sync = (zp->z_sync_cnt != 0); 616 zil_itx_assign(zilog, itx, tx); 617 } 618 619 /* 620 * Handles TX_ACL transactions. 621 */ 622 void 623 zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp, 624 vsecattr_t *vsecp, zfs_fuid_info_t *fuidp) 625 { 626 itx_t *itx; 627 lr_acl_v0_t *lrv0; 628 lr_acl_t *lr; 629 int txtype; 630 int lrsize; 631 size_t txsize; 632 size_t aclbytes = vsecp->vsa_aclentsz; 633 634 if (zil_replaying(zilog, tx) || zp->z_unlinked) 635 return; 636 637 txtype = (zp->z_zfsvfs->z_version < ZPL_VERSION_FUID) ? 638 TX_ACL_V0 : TX_ACL; 639 640 if (txtype == TX_ACL) 641 lrsize = sizeof (*lr); 642 else 643 lrsize = sizeof (*lrv0); 644 645 txsize = lrsize + 646 ((txtype == TX_ACL) ? ZIL_ACE_LENGTH(aclbytes) : aclbytes) + 647 (fuidp ? fuidp->z_domain_str_sz : 0) + 648 sizeof (uint64_t) * (fuidp ? fuidp->z_fuid_cnt : 0); 649 650 itx = zil_itx_create(txtype, txsize); 651 652 lr = (lr_acl_t *)&itx->itx_lr; 653 lr->lr_foid = zp->z_id; 654 if (txtype == TX_ACL) { 655 lr->lr_acl_bytes = aclbytes; 656 lr->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0; 657 lr->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0; 658 if (vsecp->vsa_mask & VSA_ACE_ACLFLAGS) 659 lr->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags; 660 else 661 lr->lr_acl_flags = 0; 662 } 663 lr->lr_aclcnt = (uint64_t)vsecp->vsa_aclcnt; 664 665 if (txtype == TX_ACL_V0) { 666 lrv0 = (lr_acl_v0_t *)lr; 667 bcopy(vsecp->vsa_aclentp, (ace_t *)(lrv0 + 1), aclbytes); 668 } else { 669 void *start = (ace_t *)(lr + 1); 670 671 bcopy(vsecp->vsa_aclentp, start, aclbytes); 672 673 start = (caddr_t)start + ZIL_ACE_LENGTH(aclbytes); 674 675 if (fuidp) { 676 start = zfs_log_fuid_ids(fuidp, start); 677 (void) zfs_log_fuid_domains(fuidp, start); 678 } 679 } 680 681 itx->itx_sync = (zp->z_sync_cnt != 0); 682 zil_itx_assign(zilog, itx, tx); 683 } 684