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, 2018 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/file.h> 34#include <sys/vfs.h> 35#include <sys/zfs_znode.h> 36#include <sys/zfs_dir.h> 37#include <sys/zil.h> 38#include <sys/zil_impl.h> 39#include <sys/byteorder.h> 40#include <sys/policy.h> 41#include <sys/stat.h> 42#include <sys/acl.h> 43#include <sys/dmu.h> 44#include <sys/spa.h> 45#include <sys/zfs_fuid.h> 46#include <sys/dsl_dataset.h> 47 48/* 49 * These zfs_log_* functions must be called within a dmu tx, in one 50 * of 2 contexts depending on zilog->z_replay: 51 * 52 * Non replay mode 53 * --------------- 54 * We need to record the transaction so that if it is committed to 55 * the Intent Log then it can be replayed. An intent log transaction 56 * structure (itx_t) is allocated and all the information necessary to 57 * possibly replay the transaction is saved in it. The itx is then assigned 58 * a sequence number and inserted in the in-memory list anchored in the zilog. 59 * 60 * Replay mode 61 * ----------- 62 * We need to mark the intent log record as replayed in the log header. 63 * This is done in the same transaction as the replay so that they 64 * commit atomically. 65 */ 66 67int 68zfs_log_create_txtype(zil_create_t type, vsecattr_t *vsecp, vattr_t *vap) 69{ 70 int isxvattr = (vap->va_mask & AT_XVATTR); 71 switch (type) { 72 case Z_FILE: 73 if (vsecp == NULL && !isxvattr) 74 return (TX_CREATE); 75 if (vsecp && isxvattr) 76#ifdef TODO 77 return (TX_CREATE_ACL_ATTR); 78#else 79 panic("%s:%u: unsupported condition", __func__, __LINE__); 80#endif 81 if (vsecp) 82 return (TX_CREATE_ACL); 83 else 84 return (TX_CREATE_ATTR); 85 /*NOTREACHED*/ 86 case Z_DIR: 87 if (vsecp == NULL && !isxvattr) 88 return (TX_MKDIR); 89 if (vsecp && isxvattr) 90#ifdef TODO 91 return (TX_MKDIR_ACL_ATTR); 92#else 93 panic("%s:%u: unsupported condition", __func__, __LINE__); 94#endif 95 if (vsecp) 96 return (TX_MKDIR_ACL); 97 else 98 return (TX_MKDIR_ATTR); 99 case Z_XATTRDIR: 100 return (TX_MKXATTR); 101 } 102 ASSERT(0); 103 return (TX_MAX_TYPE); 104} 105 106/* 107 * build up the log data necessary for logging xvattr_t 108 * First lr_attr_t is initialized. following the lr_attr_t 109 * is the mapsize and attribute bitmap copied from the xvattr_t. 110 * Following the bitmap and bitmapsize two 64 bit words are reserved 111 * for the create time which may be set. Following the create time 112 * records a single 64 bit integer which has the bits to set on 113 * replay for the xvattr. 114 */ 115static void 116zfs_log_xvattr(lr_attr_t *lrattr, xvattr_t *xvap) 117{ 118 uint32_t *bitmap; 119 uint64_t *attrs; 120 uint64_t *crtime; 121 xoptattr_t *xoap; 122 void *scanstamp; 123 int i; 124 125 xoap = xva_getxoptattr(xvap); 126 ASSERT(xoap); 127 128 lrattr->lr_attr_masksize = xvap->xva_mapsize; 129 bitmap = &lrattr->lr_attr_bitmap; 130 for (i = 0; i != xvap->xva_mapsize; i++, bitmap++) { 131 *bitmap = xvap->xva_reqattrmap[i]; 132 } 133 134 /* Now pack the attributes up in a single uint64_t */ 135 attrs = (uint64_t *)bitmap; 136 crtime = attrs + 1; 137 scanstamp = (caddr_t)(crtime + 2); 138 *attrs = 0; 139 if (XVA_ISSET_REQ(xvap, XAT_READONLY)) 140 *attrs |= (xoap->xoa_readonly == 0) ? 0 : 141 XAT0_READONLY; 142 if (XVA_ISSET_REQ(xvap, XAT_HIDDEN)) 143 *attrs |= (xoap->xoa_hidden == 0) ? 0 : 144 XAT0_HIDDEN; 145 if (XVA_ISSET_REQ(xvap, XAT_SYSTEM)) 146 *attrs |= (xoap->xoa_system == 0) ? 0 : 147 XAT0_SYSTEM; 148 if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE)) 149 *attrs |= (xoap->xoa_archive == 0) ? 0 : 150 XAT0_ARCHIVE; 151 if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE)) 152 *attrs |= (xoap->xoa_immutable == 0) ? 0 : 153 XAT0_IMMUTABLE; 154 if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK)) 155 *attrs |= (xoap->xoa_nounlink == 0) ? 0 : 156 XAT0_NOUNLINK; 157 if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY)) 158 *attrs |= (xoap->xoa_appendonly == 0) ? 0 : 159 XAT0_APPENDONLY; 160 if (XVA_ISSET_REQ(xvap, XAT_OPAQUE)) 161 *attrs |= (xoap->xoa_opaque == 0) ? 0 : 162 XAT0_APPENDONLY; 163 if (XVA_ISSET_REQ(xvap, XAT_NODUMP)) 164 *attrs |= (xoap->xoa_nodump == 0) ? 0 : 165 XAT0_NODUMP; 166 if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED)) 167 *attrs |= (xoap->xoa_av_quarantined == 0) ? 0 : 168 XAT0_AV_QUARANTINED; 169 if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED)) 170 *attrs |= (xoap->xoa_av_modified == 0) ? 0 : 171 XAT0_AV_MODIFIED; 172 if (XVA_ISSET_REQ(xvap, XAT_CREATETIME)) 173 ZFS_TIME_ENCODE(&xoap->xoa_createtime, crtime); 174 if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP)) 175 bcopy(xoap->xoa_av_scanstamp, scanstamp, AV_SCANSTAMP_SZ); 176 if (XVA_ISSET_REQ(xvap, XAT_REPARSE)) 177 *attrs |= (xoap->xoa_reparse == 0) ? 0 : 178 XAT0_REPARSE; 179 if (XVA_ISSET_REQ(xvap, XAT_OFFLINE)) 180 *attrs |= (xoap->xoa_offline == 0) ? 0 : 181 XAT0_OFFLINE; 182 if (XVA_ISSET_REQ(xvap, XAT_SPARSE)) 183 *attrs |= (xoap->xoa_sparse == 0) ? 0 : 184 XAT0_SPARSE; 185} 186 187static void * 188zfs_log_fuid_ids(zfs_fuid_info_t *fuidp, void *start) 189{ 190 zfs_fuid_t *zfuid; 191 uint64_t *fuidloc = start; 192 193 /* First copy in the ACE FUIDs */ 194 for (zfuid = list_head(&fuidp->z_fuids); zfuid; 195 zfuid = list_next(&fuidp->z_fuids, zfuid)) { 196 *fuidloc++ = zfuid->z_logfuid; 197 } 198 return (fuidloc); 199} 200 201 202static void * 203zfs_log_fuid_domains(zfs_fuid_info_t *fuidp, void *start) 204{ 205 zfs_fuid_domain_t *zdomain; 206 207 /* now copy in the domain info, if any */ 208 if (fuidp->z_domain_str_sz != 0) { 209 for (zdomain = list_head(&fuidp->z_domains); zdomain; 210 zdomain = list_next(&fuidp->z_domains, zdomain)) { 211 bcopy((void *)zdomain->z_domain, start, 212 strlen(zdomain->z_domain) + 1); 213 start = (caddr_t)start + 214 strlen(zdomain->z_domain) + 1; 215 } 216 } 217 return (start); 218} 219 220/* 221 * Handles TX_CREATE, TX_CREATE_ATTR, TX_MKDIR, TX_MKDIR_ATTR and 222 * TK_MKXATTR transactions. 223 * 224 * TX_CREATE and TX_MKDIR are standard creates, but they may have FUID 225 * domain information appended prior to the name. In this case the 226 * uid/gid in the log record will be a log centric FUID. 227 * 228 * TX_CREATE_ACL_ATTR and TX_MKDIR_ACL_ATTR handle special creates that 229 * may contain attributes, ACL and optional fuid information. 230 * 231 * TX_CREATE_ACL and TX_MKDIR_ACL handle special creates that specify 232 * and ACL and normal users/groups in the ACEs. 233 * 234 * There may be an optional xvattr attribute information similar 235 * to zfs_log_setattr. 236 * 237 * Also, after the file name "domain" strings may be appended. 238 */ 239void 240zfs_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 241 znode_t *dzp, znode_t *zp, char *name, vsecattr_t *vsecp, 242 zfs_fuid_info_t *fuidp, vattr_t *vap) 243{ 244 itx_t *itx; 245 lr_create_t *lr; 246 lr_acl_create_t *lracl; 247 size_t aclsize = (vsecp != NULL) ? vsecp->vsa_aclentsz : 0; 248 size_t xvatsize = 0; 249 size_t txsize; 250 xvattr_t *xvap = (xvattr_t *)vap; 251 void *end; 252 size_t lrsize; 253 size_t namesize = strlen(name) + 1; 254 size_t fuidsz = 0; 255 256 if (zil_replaying(zilog, tx)) 257 return; 258 259 /* 260 * If we have FUIDs present then add in space for 261 * domains and ACE fuid's if any. 262 */ 263 if (fuidp) { 264 fuidsz += fuidp->z_domain_str_sz; 265 fuidsz += fuidp->z_fuid_cnt * sizeof (uint64_t); 266 } 267 268 if (vap->va_mask & AT_XVATTR) 269 xvatsize = ZIL_XVAT_SIZE(xvap->xva_mapsize); 270 271 if ((int)txtype == TX_CREATE_ATTR || (int)txtype == TX_MKDIR_ATTR || 272 (int)txtype == TX_CREATE || (int)txtype == TX_MKDIR || 273 (int)txtype == TX_MKXATTR) { 274 txsize = sizeof (*lr) + namesize + fuidsz + xvatsize; 275 lrsize = sizeof (*lr); 276 } else { 277 txsize = 278 sizeof (lr_acl_create_t) + namesize + fuidsz + 279 ZIL_ACE_LENGTH(aclsize) + xvatsize; 280 lrsize = sizeof (lr_acl_create_t); 281 } 282 283 itx = zil_itx_create(txtype, txsize); 284 285 lr = (lr_create_t *)&itx->itx_lr; 286 lr->lr_doid = dzp->z_id; 287 lr->lr_foid = zp->z_id; 288 /* Store dnode slot count in 8 bits above object id. */ 289 LR_FOID_SET_SLOTS(lr->lr_foid, zp->z_dnodesize >> DNODE_SHIFT); 290 lr->lr_mode = zp->z_mode; 291 if (!IS_EPHEMERAL(zp->z_uid)) { 292 lr->lr_uid = (uint64_t)zp->z_uid; 293 } else { 294 lr->lr_uid = fuidp->z_fuid_owner; 295 } 296 if (!IS_EPHEMERAL(zp->z_gid)) { 297 lr->lr_gid = (uint64_t)zp->z_gid; 298 } else { 299 lr->lr_gid = fuidp->z_fuid_group; 300 } 301 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zp->z_zfsvfs), &lr->lr_gen, 302 sizeof (uint64_t)); 303 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zp->z_zfsvfs), 304 lr->lr_crtime, sizeof (uint64_t) * 2); 305 306 if (sa_lookup(zp->z_sa_hdl, SA_ZPL_RDEV(zp->z_zfsvfs), &lr->lr_rdev, 307 sizeof (lr->lr_rdev)) != 0) 308 lr->lr_rdev = 0; 309 310 /* 311 * Fill in xvattr info if any 312 */ 313 if (vap->va_mask & AT_XVATTR) { 314 zfs_log_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), xvap); 315 end = (caddr_t)lr + lrsize + xvatsize; 316 } else { 317 end = (caddr_t)lr + lrsize; 318 } 319 320 /* Now fill in any ACL info */ 321 322 if (vsecp) { 323 lracl = (lr_acl_create_t *)&itx->itx_lr; 324 lracl->lr_aclcnt = vsecp->vsa_aclcnt; 325 lracl->lr_acl_bytes = aclsize; 326 lracl->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0; 327 lracl->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0; 328 if (vsecp->vsa_aclflags & VSA_ACE_ACLFLAGS) 329 lracl->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags; 330 else 331 lracl->lr_acl_flags = 0; 332 333 bcopy(vsecp->vsa_aclentp, end, aclsize); 334 end = (caddr_t)end + ZIL_ACE_LENGTH(aclsize); 335 } 336 337 /* drop in FUID info */ 338 if (fuidp) { 339 end = zfs_log_fuid_ids(fuidp, end); 340 end = zfs_log_fuid_domains(fuidp, end); 341 } 342 /* 343 * Now place file name in log record 344 */ 345 bcopy(name, end, namesize); 346 347 zil_itx_assign(zilog, itx, tx); 348} 349 350/* 351 * Handles both TX_REMOVE and TX_RMDIR transactions. 352 */ 353void 354zfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 355 znode_t *dzp, char *name, uint64_t foid) 356{ 357 itx_t *itx; 358 lr_remove_t *lr; 359 size_t namesize = strlen(name) + 1; 360 361 if (zil_replaying(zilog, tx)) 362 return; 363 364 itx = zil_itx_create(txtype, sizeof (*lr) + namesize); 365 lr = (lr_remove_t *)&itx->itx_lr; 366 lr->lr_doid = dzp->z_id; 367 bcopy(name, (char *)(lr + 1), namesize); 368 369 itx->itx_oid = foid; 370 371 zil_itx_assign(zilog, itx, tx); 372} 373 374/* 375 * Handles TX_LINK transactions. 376 */ 377void 378zfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 379 znode_t *dzp, znode_t *zp, char *name) 380{ 381 itx_t *itx; 382 lr_link_t *lr; 383 size_t namesize = strlen(name) + 1; 384 385 if (zil_replaying(zilog, tx)) 386 return; 387 388 itx = zil_itx_create(txtype, sizeof (*lr) + namesize); 389 lr = (lr_link_t *)&itx->itx_lr; 390 lr->lr_doid = dzp->z_id; 391 lr->lr_link_obj = zp->z_id; 392 bcopy(name, (char *)(lr + 1), namesize); 393 394 zil_itx_assign(zilog, itx, tx); 395} 396 397/* 398 * Handles TX_SYMLINK transactions. 399 */ 400void 401zfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 402 znode_t *dzp, znode_t *zp, char *name, char *link) 403{ 404 itx_t *itx; 405 lr_create_t *lr; 406 size_t namesize = strlen(name) + 1; 407 size_t linksize = strlen(link) + 1; 408 409 if (zil_replaying(zilog, tx)) 410 return; 411 412 itx = zil_itx_create(txtype, sizeof (*lr) + namesize + linksize); 413 lr = (lr_create_t *)&itx->itx_lr; 414 lr->lr_doid = dzp->z_id; 415 lr->lr_foid = zp->z_id; 416 lr->lr_uid = zp->z_uid; 417 lr->lr_gid = zp->z_gid; 418 lr->lr_mode = zp->z_mode; 419 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zp->z_zfsvfs), &lr->lr_gen, 420 sizeof (uint64_t)); 421 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(zp->z_zfsvfs), 422 lr->lr_crtime, sizeof (uint64_t) * 2); 423 bcopy(name, (char *)(lr + 1), namesize); 424 bcopy(link, (char *)(lr + 1) + namesize, linksize); 425 426 zil_itx_assign(zilog, itx, tx); 427} 428 429/* 430 * Handles TX_RENAME transactions. 431 */ 432void 433zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, 434 znode_t *sdzp, char *sname, znode_t *tdzp, char *dname, znode_t *szp) 435{ 436 itx_t *itx; 437 lr_rename_t *lr; 438 size_t snamesize = strlen(sname) + 1; 439 size_t dnamesize = strlen(dname) + 1; 440 441 if (zil_replaying(zilog, tx)) 442 return; 443 444 itx = zil_itx_create(txtype, sizeof (*lr) + snamesize + dnamesize); 445 lr = (lr_rename_t *)&itx->itx_lr; 446 lr->lr_sdoid = sdzp->z_id; 447 lr->lr_tdoid = tdzp->z_id; 448 bcopy(sname, (char *)(lr + 1), snamesize); 449 bcopy(dname, (char *)(lr + 1) + snamesize, dnamesize); 450 itx->itx_oid = szp->z_id; 451 452 zil_itx_assign(zilog, itx, tx); 453} 454 455/* 456 * Handles TX_WRITE transactions. 457 */ 458ssize_t zfs_immediate_write_sz = 32768; 459#ifdef _KERNEL 460SYSCTL_DECL(_vfs_zfs); 461SYSCTL_LONG(_vfs_zfs, OID_AUTO, immediate_write_sz, CTLFLAG_RWTUN, 462 &zfs_immediate_write_sz, 0, "Minimal size for indirect log write"); 463#endif 464 465void 466zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype, 467 znode_t *zp, offset_t off, ssize_t resid, int ioflag) 468{ 469 uint32_t blocksize = zp->z_blksz; 470 itx_wr_state_t write_state; 471 uintptr_t fsync_cnt; 472 473 if (zil_replaying(zilog, tx) || zp->z_unlinked) 474 return; 475 476 if (zilog->zl_logbias == ZFS_LOGBIAS_THROUGHPUT) 477 write_state = WR_INDIRECT; 478 else if (!spa_has_slogs(zilog->zl_spa) && 479 resid >= zfs_immediate_write_sz) 480 write_state = WR_INDIRECT; 481 else if (ioflag & (FSYNC | FDSYNC)) 482 write_state = WR_COPIED; 483 else 484 write_state = WR_NEED_COPY; 485 486 if ((fsync_cnt = (uintptr_t)tsd_get(zfs_fsyncer_key)) != 0) { 487 (void) tsd_set(zfs_fsyncer_key, (void *)(fsync_cnt - 1)); 488 } 489 490 while (resid) { 491 itx_t *itx; 492 lr_write_t *lr; 493 itx_wr_state_t wr_state = write_state; 494 ssize_t len = resid; 495 496 /* 497 * A WR_COPIED record must fit entirely in one log block. 498 * Large writes can use WR_NEED_COPY, which the ZIL will 499 * split into multiple records across several log blocks 500 * if necessary. 501 */ 502 if (wr_state == WR_COPIED && 503 resid > zil_max_copied_data(zilog)) 504 wr_state = WR_NEED_COPY; 505 else if (wr_state == WR_INDIRECT) 506 len = MIN(blocksize - P2PHASE(off, blocksize), resid); 507 508 itx = zil_itx_create(txtype, sizeof (*lr) + 509 (wr_state == WR_COPIED ? len : 0)); 510 lr = (lr_write_t *)&itx->itx_lr; 511 if (wr_state == WR_COPIED && dmu_read(zp->z_zfsvfs->z_os, 512 zp->z_id, off, len, lr + 1, DMU_READ_NO_PREFETCH) != 0) { 513 zil_itx_destroy(itx); 514 itx = zil_itx_create(txtype, sizeof (*lr)); 515 lr = (lr_write_t *)&itx->itx_lr; 516 wr_state = WR_NEED_COPY; 517 } 518 519 itx->itx_wr_state = wr_state; 520 lr->lr_foid = zp->z_id; 521 lr->lr_offset = off; 522 lr->lr_length = len; 523 lr->lr_blkoff = 0; 524 BP_ZERO(&lr->lr_blkptr); 525 526 itx->itx_private = zp->z_zfsvfs; 527 528 if (!(ioflag & (FSYNC | FDSYNC)) && (zp->z_sync_cnt == 0) && 529 (fsync_cnt == 0)) 530 itx->itx_sync = B_FALSE; 531 532 zil_itx_assign(zilog, itx, tx); 533 534 off += len; 535 resid -= len; 536 } 537} 538 539/* 540 * Handles TX_TRUNCATE transactions. 541 */ 542void 543zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype, 544 znode_t *zp, uint64_t off, uint64_t len) 545{ 546 itx_t *itx; 547 lr_truncate_t *lr; 548 549 if (zil_replaying(zilog, tx) || zp->z_unlinked) 550 return; 551 552 itx = zil_itx_create(txtype, sizeof (*lr)); 553 lr = (lr_truncate_t *)&itx->itx_lr; 554 lr->lr_foid = zp->z_id; 555 lr->lr_offset = off; 556 lr->lr_length = len; 557 558 itx->itx_sync = (zp->z_sync_cnt != 0); 559 zil_itx_assign(zilog, itx, tx); 560} 561 562/* 563 * Handles TX_SETATTR transactions. 564 */ 565void 566zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype, 567 znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp) 568{ 569 itx_t *itx; 570 lr_setattr_t *lr; 571 xvattr_t *xvap = (xvattr_t *)vap; 572 size_t recsize = sizeof (lr_setattr_t); 573 void *start; 574 575 if (zil_replaying(zilog, tx) || zp->z_unlinked) 576 return; 577 578 /* 579 * If XVATTR set, then log record size needs to allow 580 * for lr_attr_t + xvattr mask, mapsize and create time 581 * plus actual attribute values 582 */ 583 if (vap->va_mask & AT_XVATTR) 584 recsize = sizeof (*lr) + ZIL_XVAT_SIZE(xvap->xva_mapsize); 585 586 if (fuidp) 587 recsize += fuidp->z_domain_str_sz; 588 589 itx = zil_itx_create(txtype, recsize); 590 lr = (lr_setattr_t *)&itx->itx_lr; 591 lr->lr_foid = zp->z_id; 592 lr->lr_mask = (uint64_t)mask_applied; 593 lr->lr_mode = (uint64_t)vap->va_mode; 594 if ((mask_applied & AT_UID) && IS_EPHEMERAL(vap->va_uid)) 595 lr->lr_uid = fuidp->z_fuid_owner; 596 else 597 lr->lr_uid = (uint64_t)vap->va_uid; 598 599 if ((mask_applied & AT_GID) && IS_EPHEMERAL(vap->va_gid)) 600 lr->lr_gid = fuidp->z_fuid_group; 601 else 602 lr->lr_gid = (uint64_t)vap->va_gid; 603 604 lr->lr_size = (uint64_t)vap->va_size; 605 ZFS_TIME_ENCODE(&vap->va_atime, lr->lr_atime); 606 ZFS_TIME_ENCODE(&vap->va_mtime, lr->lr_mtime); 607 start = (lr_setattr_t *)(lr + 1); 608 if (vap->va_mask & AT_XVATTR) { 609 zfs_log_xvattr((lr_attr_t *)start, xvap); 610 start = (caddr_t)start + ZIL_XVAT_SIZE(xvap->xva_mapsize); 611 } 612 613 /* 614 * Now stick on domain information if any on end 615 */ 616 617 if (fuidp) 618 (void) zfs_log_fuid_domains(fuidp, start); 619 620 itx->itx_sync = (zp->z_sync_cnt != 0); 621 zil_itx_assign(zilog, itx, tx); 622} 623 624/* 625 * Handles TX_ACL transactions. 626 */ 627void 628zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp, 629 vsecattr_t *vsecp, zfs_fuid_info_t *fuidp) 630{ 631 itx_t *itx; 632 lr_acl_v0_t *lrv0; 633 lr_acl_t *lr; 634 int txtype; 635 int lrsize; 636 size_t txsize; 637 size_t aclbytes = vsecp->vsa_aclentsz; 638 639 if (zil_replaying(zilog, tx) || zp->z_unlinked) 640 return; 641 642 txtype = (zp->z_zfsvfs->z_version < ZPL_VERSION_FUID) ? 643 TX_ACL_V0 : TX_ACL; 644 645 if (txtype == TX_ACL) 646 lrsize = sizeof (*lr); 647 else 648 lrsize = sizeof (*lrv0); 649 650 txsize = lrsize + 651 ((txtype == TX_ACL) ? ZIL_ACE_LENGTH(aclbytes) : aclbytes) + 652 (fuidp ? fuidp->z_domain_str_sz : 0) + 653 sizeof (uint64_t) * (fuidp ? fuidp->z_fuid_cnt : 0); 654 655 itx = zil_itx_create(txtype, txsize); 656 657 lr = (lr_acl_t *)&itx->itx_lr; 658 lr->lr_foid = zp->z_id; 659 if (txtype == TX_ACL) { 660 lr->lr_acl_bytes = aclbytes; 661 lr->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0; 662 lr->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0; 663 if (vsecp->vsa_mask & VSA_ACE_ACLFLAGS) 664 lr->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags; 665 else 666 lr->lr_acl_flags = 0; 667 } 668 lr->lr_aclcnt = (uint64_t)vsecp->vsa_aclcnt; 669 670 if (txtype == TX_ACL_V0) { 671 lrv0 = (lr_acl_v0_t *)lr; 672 bcopy(vsecp->vsa_aclentp, (ace_t *)(lrv0 + 1), aclbytes); 673 } else { 674 void *start = (ace_t *)(lr + 1); 675 676 bcopy(vsecp->vsa_aclentp, start, aclbytes); 677 678 start = (caddr_t)start + ZIL_ACE_LENGTH(aclbytes); 679 680 if (fuidp) { 681 start = zfs_log_fuid_ids(fuidp, start); 682 (void) zfs_log_fuid_domains(fuidp, start); 683 } 684 } 685 686 itx->itx_sync = (zp->z_sync_cnt != 0); 687 zil_itx_assign(zilog, itx, tx); 688} 689