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.
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.
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]
22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright (c) 2015, 2018 by Delphix. All rights reserved.
27 #include <sys/types.h>
28 #include <sys/param.h>
29 #include <sys/sysmacros.h>
30 #include <sys/cmn_err.h>
32 #include <sys/thread.h>
35 #include <sys/zfs_znode.h>
36 #include <sys/zfs_dir.h>
38 #include <sys/zil_impl.h>
39 #include <sys/byteorder.h>
40 #include <sys/policy.h>
46 #include <sys/zfs_fuid.h>
47 #include <sys/dsl_dataset.h>
50 * These zfs_log_* functions must be called within a dmu tx, in one
51 * of 2 contexts depending on zilog->z_replay:
55 * We need to record the transaction so that if it is committed to
56 * the Intent Log then it can be replayed. An intent log transaction
57 * structure (itx_t) is allocated and all the information necessary to
58 * possibly replay the transaction is saved in it. The itx is then assigned
59 * a sequence number and inserted in the in-memory list anchored in the zilog.
63 * We need to mark the intent log record as replayed in the log header.
64 * This is done in the same transaction as the replay so that they
69 zfs_log_create_txtype(zil_create_t type, vsecattr_t *vsecp, vattr_t *vap)
71 int isxvattr = (vap->va_mask & ATTR_XVATTR);
74 if (vsecp == NULL && !isxvattr)
76 if (vsecp && isxvattr)
77 return (TX_CREATE_ACL_ATTR);
79 return (TX_CREATE_ACL);
81 return (TX_CREATE_ATTR);
83 if (vsecp == NULL && !isxvattr)
85 if (vsecp && isxvattr)
86 return (TX_MKDIR_ACL_ATTR);
88 return (TX_MKDIR_ACL);
90 return (TX_MKDIR_ATTR);
99 * build up the log data necessary for logging xvattr_t
100 * First lr_attr_t is initialized. following the lr_attr_t
101 * is the mapsize and attribute bitmap copied from the xvattr_t.
102 * Following the bitmap and bitmapsize two 64 bit words are reserved
103 * for the create time which may be set. Following the create time
104 * records a single 64 bit integer which has the bits to set on
105 * replay for the xvattr.
108 zfs_log_xvattr(lr_attr_t *lrattr, xvattr_t *xvap)
117 xoap = xva_getxoptattr(xvap);
120 lrattr->lr_attr_masksize = xvap->xva_mapsize;
121 bitmap = &lrattr->lr_attr_bitmap;
122 for (i = 0; i != xvap->xva_mapsize; i++, bitmap++) {
123 *bitmap = xvap->xva_reqattrmap[i];
126 /* Now pack the attributes up in a single uint64_t */
127 attrs = (uint64_t *)bitmap;
130 bzero(crtime, 2 * sizeof (uint64_t));
131 scanstamp = (caddr_t)(crtime + 2);
132 bzero(scanstamp, AV_SCANSTAMP_SZ);
133 if (XVA_ISSET_REQ(xvap, XAT_READONLY))
134 *attrs |= (xoap->xoa_readonly == 0) ? 0 :
136 if (XVA_ISSET_REQ(xvap, XAT_HIDDEN))
137 *attrs |= (xoap->xoa_hidden == 0) ? 0 :
139 if (XVA_ISSET_REQ(xvap, XAT_SYSTEM))
140 *attrs |= (xoap->xoa_system == 0) ? 0 :
142 if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE))
143 *attrs |= (xoap->xoa_archive == 0) ? 0 :
145 if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE))
146 *attrs |= (xoap->xoa_immutable == 0) ? 0 :
148 if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK))
149 *attrs |= (xoap->xoa_nounlink == 0) ? 0 :
151 if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY))
152 *attrs |= (xoap->xoa_appendonly == 0) ? 0 :
154 if (XVA_ISSET_REQ(xvap, XAT_OPAQUE))
155 *attrs |= (xoap->xoa_opaque == 0) ? 0 :
157 if (XVA_ISSET_REQ(xvap, XAT_NODUMP))
158 *attrs |= (xoap->xoa_nodump == 0) ? 0 :
160 if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED))
161 *attrs |= (xoap->xoa_av_quarantined == 0) ? 0 :
163 if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED))
164 *attrs |= (xoap->xoa_av_modified == 0) ? 0 :
166 if (XVA_ISSET_REQ(xvap, XAT_CREATETIME))
167 ZFS_TIME_ENCODE(&xoap->xoa_createtime, crtime);
168 if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP)) {
169 ASSERT(!XVA_ISSET_REQ(xvap, XAT_PROJID));
171 bcopy(xoap->xoa_av_scanstamp, scanstamp, AV_SCANSTAMP_SZ);
172 } else if (XVA_ISSET_REQ(xvap, XAT_PROJID)) {
174 * XAT_PROJID and XAT_AV_SCANSTAMP will never be valid
175 * at the same time, so we can share the same space.
177 bcopy(&xoap->xoa_projid, scanstamp, sizeof (uint64_t));
179 if (XVA_ISSET_REQ(xvap, XAT_REPARSE))
180 *attrs |= (xoap->xoa_reparse == 0) ? 0 :
182 if (XVA_ISSET_REQ(xvap, XAT_OFFLINE))
183 *attrs |= (xoap->xoa_offline == 0) ? 0 :
185 if (XVA_ISSET_REQ(xvap, XAT_SPARSE))
186 *attrs |= (xoap->xoa_sparse == 0) ? 0 :
188 if (XVA_ISSET_REQ(xvap, XAT_PROJINHERIT))
189 *attrs |= (xoap->xoa_projinherit == 0) ? 0 :
194 zfs_log_fuid_ids(zfs_fuid_info_t *fuidp, void *start)
197 uint64_t *fuidloc = start;
199 /* First copy in the ACE FUIDs */
200 for (zfuid = list_head(&fuidp->z_fuids); zfuid;
201 zfuid = list_next(&fuidp->z_fuids, zfuid)) {
202 *fuidloc++ = zfuid->z_logfuid;
209 zfs_log_fuid_domains(zfs_fuid_info_t *fuidp, void *start)
211 zfs_fuid_domain_t *zdomain;
213 /* now copy in the domain info, if any */
214 if (fuidp->z_domain_str_sz != 0) {
215 for (zdomain = list_head(&fuidp->z_domains); zdomain;
216 zdomain = list_next(&fuidp->z_domains, zdomain)) {
217 bcopy((void *)zdomain->z_domain, start,
218 strlen(zdomain->z_domain) + 1);
219 start = (caddr_t)start +
220 strlen(zdomain->z_domain) + 1;
227 * If zp is an xattr node, check whether the xattr owner is unlinked.
228 * We don't want to log anything if the owner is unlinked.
231 zfs_xattr_owner_unlinked(znode_t *zp)
239 * zrele drops the vnode lock which violates the VOP locking contract
240 * on FreeBSD. See comment at the top of zfs_replay.c for more detail.
243 * if zp is XATTR node, keep walking up via z_xattr_parent until we
246 while (tzp->z_pflags & ZFS_XATTR) {
247 ASSERT3U(zp->z_xattr_parent, !=, 0);
248 if (zfs_zget(ZTOZSB(tzp), tzp->z_xattr_parent, &dzp) != 0) {
256 unlinked = tzp->z_unlinked;
263 * if zp is XATTR node, keep walking up via z_xattr_parent until we
266 while (zp->z_pflags & ZFS_XATTR) {
267 ASSERT3U(zp->z_xattr_parent, !=, 0);
268 if (zfs_zget(ZTOZSB(zp), zp->z_xattr_parent, &dzp) != 0) {
275 unlinked = zp->z_unlinked;
283 * Handles TX_CREATE, TX_CREATE_ATTR, TX_MKDIR, TX_MKDIR_ATTR and
284 * TK_MKXATTR transactions.
286 * TX_CREATE and TX_MKDIR are standard creates, but they may have FUID
287 * domain information appended prior to the name. In this case the
288 * uid/gid in the log record will be a log centric FUID.
290 * TX_CREATE_ACL_ATTR and TX_MKDIR_ACL_ATTR handle special creates that
291 * may contain attributes, ACL and optional fuid information.
293 * TX_CREATE_ACL and TX_MKDIR_ACL handle special creates that specify
294 * and ACL and normal users/groups in the ACEs.
296 * There may be an optional xvattr attribute information similar
297 * to zfs_log_setattr.
299 * Also, after the file name "domain" strings may be appended.
302 zfs_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
303 znode_t *dzp, znode_t *zp, const char *name, vsecattr_t *vsecp,
304 zfs_fuid_info_t *fuidp, vattr_t *vap)
308 lr_acl_create_t *lracl;
312 xvattr_t *xvap = (xvattr_t *)vap;
315 size_t namesize = strlen(name) + 1;
318 if (zil_replaying(zilog, tx) || zfs_xattr_owner_unlinked(dzp))
322 * If we have FUIDs present then add in space for
323 * domains and ACE fuid's if any.
326 fuidsz += fuidp->z_domain_str_sz;
327 fuidsz += fuidp->z_fuid_cnt * sizeof (uint64_t);
330 if (vap->va_mask & ATTR_XVATTR)
331 xvatsize = ZIL_XVAT_SIZE(xvap->xva_mapsize);
333 if ((int)txtype == TX_CREATE_ATTR || (int)txtype == TX_MKDIR_ATTR ||
334 (int)txtype == TX_CREATE || (int)txtype == TX_MKDIR ||
335 (int)txtype == TX_MKXATTR) {
336 txsize = sizeof (*lr) + namesize + fuidsz + xvatsize;
337 lrsize = sizeof (*lr);
340 sizeof (lr_acl_create_t) + namesize + fuidsz +
341 ZIL_ACE_LENGTH(aclsize) + xvatsize;
342 lrsize = sizeof (lr_acl_create_t);
345 itx = zil_itx_create(txtype, txsize);
347 lr = (lr_create_t *)&itx->itx_lr;
348 lr->lr_doid = dzp->z_id;
349 lr->lr_foid = zp->z_id;
350 /* Store dnode slot count in 8 bits above object id. */
351 LR_FOID_SET_SLOTS(lr->lr_foid, zp->z_dnodesize >> DNODE_SHIFT);
352 lr->lr_mode = zp->z_mode;
353 if (!IS_EPHEMERAL(KUID_TO_SUID(ZTOUID(zp)))) {
354 lr->lr_uid = (uint64_t)KUID_TO_SUID(ZTOUID(zp));
356 lr->lr_uid = fuidp->z_fuid_owner;
358 if (!IS_EPHEMERAL(KGID_TO_SGID(ZTOGID(zp)))) {
359 lr->lr_gid = (uint64_t)KGID_TO_SGID(ZTOGID(zp));
361 lr->lr_gid = fuidp->z_fuid_group;
363 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(ZTOZSB(zp)), &lr->lr_gen,
365 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(ZTOZSB(zp)),
366 lr->lr_crtime, sizeof (uint64_t) * 2);
368 if (sa_lookup(zp->z_sa_hdl, SA_ZPL_RDEV(ZTOZSB(zp)), &lr->lr_rdev,
369 sizeof (lr->lr_rdev)) != 0)
373 * Fill in xvattr info if any
375 if (vap->va_mask & ATTR_XVATTR) {
376 zfs_log_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), xvap);
377 end = (caddr_t)lr + lrsize + xvatsize;
379 end = (caddr_t)lr + lrsize;
382 /* Now fill in any ACL info */
385 lracl = (lr_acl_create_t *)&itx->itx_lr;
386 lracl->lr_aclcnt = vsecp->vsa_aclcnt;
387 lracl->lr_acl_bytes = aclsize;
388 lracl->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0;
389 lracl->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0;
390 if (vsecp->vsa_aclflags & VSA_ACE_ACLFLAGS)
391 lracl->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags;
393 lracl->lr_acl_flags = 0;
395 bcopy(vsecp->vsa_aclentp, end, aclsize);
396 end = (caddr_t)end + ZIL_ACE_LENGTH(aclsize);
399 /* drop in FUID info */
401 end = zfs_log_fuid_ids(fuidp, end);
402 end = zfs_log_fuid_domains(fuidp, end);
405 * Now place file name in log record
407 bcopy(name, end, namesize);
409 zil_itx_assign(zilog, itx, tx);
413 * Handles both TX_REMOVE and TX_RMDIR transactions.
416 zfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
417 znode_t *dzp, const char *name, uint64_t foid, boolean_t unlinked)
421 size_t namesize = strlen(name) + 1;
423 if (zil_replaying(zilog, tx) || zfs_xattr_owner_unlinked(dzp))
426 itx = zil_itx_create(txtype, sizeof (*lr) + namesize);
427 lr = (lr_remove_t *)&itx->itx_lr;
428 lr->lr_doid = dzp->z_id;
429 bcopy(name, (char *)(lr + 1), namesize);
434 * Object ids can be re-instantiated in the next txg so
435 * remove any async transactions to avoid future leaks.
436 * This can happen if a fsync occurs on the re-instantiated
437 * object for a WR_INDIRECT or WR_NEED_COPY write, which gets
438 * the new file data and flushes a write record for the old object.
441 ASSERT((txtype & ~TX_CI) == TX_REMOVE);
442 zil_remove_async(zilog, foid);
444 zil_itx_assign(zilog, itx, tx);
448 * Handles TX_LINK transactions.
451 zfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
452 znode_t *dzp, znode_t *zp, const char *name)
456 size_t namesize = strlen(name) + 1;
458 if (zil_replaying(zilog, tx))
461 itx = zil_itx_create(txtype, sizeof (*lr) + namesize);
462 lr = (lr_link_t *)&itx->itx_lr;
463 lr->lr_doid = dzp->z_id;
464 lr->lr_link_obj = zp->z_id;
465 bcopy(name, (char *)(lr + 1), namesize);
467 zil_itx_assign(zilog, itx, tx);
471 * Handles TX_SYMLINK transactions.
474 zfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
475 znode_t *dzp, znode_t *zp, const char *name, const char *link)
479 size_t namesize = strlen(name) + 1;
480 size_t linksize = strlen(link) + 1;
482 if (zil_replaying(zilog, tx))
485 itx = zil_itx_create(txtype, sizeof (*lr) + namesize + linksize);
486 lr = (lr_create_t *)&itx->itx_lr;
487 lr->lr_doid = dzp->z_id;
488 lr->lr_foid = zp->z_id;
489 lr->lr_uid = KUID_TO_SUID(ZTOUID(zp));
490 lr->lr_gid = KGID_TO_SGID(ZTOGID(zp));
491 lr->lr_mode = zp->z_mode;
492 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(ZTOZSB(zp)), &lr->lr_gen,
494 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_CRTIME(ZTOZSB(zp)),
495 lr->lr_crtime, sizeof (uint64_t) * 2);
496 bcopy(name, (char *)(lr + 1), namesize);
497 bcopy(link, (char *)(lr + 1) + namesize, linksize);
499 zil_itx_assign(zilog, itx, tx);
503 * Handles TX_RENAME transactions.
506 zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype, znode_t *sdzp,
507 const char *sname, znode_t *tdzp, const char *dname, znode_t *szp)
511 size_t snamesize = strlen(sname) + 1;
512 size_t dnamesize = strlen(dname) + 1;
514 if (zil_replaying(zilog, tx))
517 itx = zil_itx_create(txtype, sizeof (*lr) + snamesize + dnamesize);
518 lr = (lr_rename_t *)&itx->itx_lr;
519 lr->lr_sdoid = sdzp->z_id;
520 lr->lr_tdoid = tdzp->z_id;
521 bcopy(sname, (char *)(lr + 1), snamesize);
522 bcopy(dname, (char *)(lr + 1) + snamesize, dnamesize);
523 itx->itx_oid = szp->z_id;
525 zil_itx_assign(zilog, itx, tx);
529 * zfs_log_write() handles TX_WRITE transactions. The specified callback is
530 * called as soon as the write is on stable storage (be it via a DMU sync or a
533 long zfs_immediate_write_sz = 32768;
536 zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype,
537 znode_t *zp, offset_t off, ssize_t resid, int ioflag,
538 zil_callback_t callback, void *callback_data)
540 dmu_buf_impl_t *db = (dmu_buf_impl_t *)sa_get_db(zp->z_sa_hdl);
541 uint32_t blocksize = zp->z_blksz;
542 itx_wr_state_t write_state;
545 ssize_t size = resid;
547 if (zil_replaying(zilog, tx) || zp->z_unlinked ||
548 zfs_xattr_owner_unlinked(zp)) {
549 if (callback != NULL)
550 callback(callback_data);
554 if (zilog->zl_logbias == ZFS_LOGBIAS_THROUGHPUT)
555 write_state = WR_INDIRECT;
556 else if (!spa_has_slogs(zilog->zl_spa) &&
557 resid >= zfs_immediate_write_sz)
558 write_state = WR_INDIRECT;
559 else if (ioflag & (O_SYNC | O_DSYNC))
560 write_state = WR_COPIED;
562 write_state = WR_NEED_COPY;
564 if ((fsync_cnt = (uintptr_t)tsd_get(zfs_fsyncer_key)) != 0) {
565 (void) tsd_set(zfs_fsyncer_key, (void *)(fsync_cnt - 1));
568 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(ZTOZSB(zp)), &gen,
574 itx_wr_state_t wr_state = write_state;
578 * A WR_COPIED record must fit entirely in one log block.
579 * Large writes can use WR_NEED_COPY, which the ZIL will
580 * split into multiple records across several log blocks
583 if (wr_state == WR_COPIED &&
584 resid > zil_max_copied_data(zilog))
585 wr_state = WR_NEED_COPY;
586 else if (wr_state == WR_INDIRECT)
587 len = MIN(blocksize - P2PHASE(off, blocksize), resid);
589 itx = zil_itx_create(txtype, sizeof (*lr) +
590 (wr_state == WR_COPIED ? len : 0));
591 lr = (lr_write_t *)&itx->itx_lr;
594 * For WR_COPIED records, copy the data into the lr_write_t.
596 if (wr_state == WR_COPIED) {
599 err = dmu_read_by_dnode(DB_DNODE(db), off, len, lr + 1,
600 DMU_READ_NO_PREFETCH);
602 zil_itx_destroy(itx);
603 itx = zil_itx_create(txtype, sizeof (*lr));
604 lr = (lr_write_t *)&itx->itx_lr;
605 wr_state = WR_NEED_COPY;
610 itx->itx_wr_state = wr_state;
611 lr->lr_foid = zp->z_id;
615 BP_ZERO(&lr->lr_blkptr);
617 itx->itx_private = ZTOZSB(zp);
620 if (!(ioflag & (O_SYNC | O_DSYNC)) && (zp->z_sync_cnt == 0) &&
622 itx->itx_sync = B_FALSE;
624 itx->itx_callback = callback;
625 itx->itx_callback_data = callback_data;
626 zil_itx_assign(zilog, itx, tx);
632 if (write_state == WR_COPIED || write_state == WR_NEED_COPY) {
633 dsl_pool_wrlog_count(zilog->zl_dmu_pool, size, tx->tx_txg);
638 * Handles TX_TRUNCATE transactions.
641 zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype,
642 znode_t *zp, uint64_t off, uint64_t len)
647 if (zil_replaying(zilog, tx) || zp->z_unlinked ||
648 zfs_xattr_owner_unlinked(zp))
651 itx = zil_itx_create(txtype, sizeof (*lr));
652 lr = (lr_truncate_t *)&itx->itx_lr;
653 lr->lr_foid = zp->z_id;
657 itx->itx_sync = (zp->z_sync_cnt != 0);
658 zil_itx_assign(zilog, itx, tx);
662 * Handles TX_SETATTR transactions.
665 zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype,
666 znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp)
670 xvattr_t *xvap = (xvattr_t *)vap;
671 size_t recsize = sizeof (lr_setattr_t);
674 if (zil_replaying(zilog, tx) || zp->z_unlinked)
678 * If XVATTR set, then log record size needs to allow
679 * for lr_attr_t + xvattr mask, mapsize and create time
680 * plus actual attribute values
682 if (vap->va_mask & ATTR_XVATTR)
683 recsize = sizeof (*lr) + ZIL_XVAT_SIZE(xvap->xva_mapsize);
686 recsize += fuidp->z_domain_str_sz;
688 itx = zil_itx_create(txtype, recsize);
689 lr = (lr_setattr_t *)&itx->itx_lr;
690 lr->lr_foid = zp->z_id;
691 lr->lr_mask = (uint64_t)mask_applied;
692 lr->lr_mode = (uint64_t)vap->va_mode;
693 if ((mask_applied & ATTR_UID) && IS_EPHEMERAL(vap->va_uid))
694 lr->lr_uid = fuidp->z_fuid_owner;
696 lr->lr_uid = (uint64_t)vap->va_uid;
698 if ((mask_applied & ATTR_GID) && IS_EPHEMERAL(vap->va_gid))
699 lr->lr_gid = fuidp->z_fuid_group;
701 lr->lr_gid = (uint64_t)vap->va_gid;
703 lr->lr_size = (uint64_t)vap->va_size;
704 ZFS_TIME_ENCODE(&vap->va_atime, lr->lr_atime);
705 ZFS_TIME_ENCODE(&vap->va_mtime, lr->lr_mtime);
706 start = (lr_setattr_t *)(lr + 1);
707 if (vap->va_mask & ATTR_XVATTR) {
708 zfs_log_xvattr((lr_attr_t *)start, xvap);
709 start = (caddr_t)start + ZIL_XVAT_SIZE(xvap->xva_mapsize);
713 * Now stick on domain information if any on end
717 (void) zfs_log_fuid_domains(fuidp, start);
719 itx->itx_sync = (zp->z_sync_cnt != 0);
720 zil_itx_assign(zilog, itx, tx);
724 * Handles TX_ACL transactions.
727 zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp,
728 vsecattr_t *vsecp, zfs_fuid_info_t *fuidp)
736 size_t aclbytes = vsecp->vsa_aclentsz;
738 if (zil_replaying(zilog, tx) || zp->z_unlinked)
741 txtype = (ZTOZSB(zp)->z_version < ZPL_VERSION_FUID) ?
744 if (txtype == TX_ACL)
745 lrsize = sizeof (*lr);
747 lrsize = sizeof (*lrv0);
750 ((txtype == TX_ACL) ? ZIL_ACE_LENGTH(aclbytes) : aclbytes) +
751 (fuidp ? fuidp->z_domain_str_sz : 0) +
752 sizeof (uint64_t) * (fuidp ? fuidp->z_fuid_cnt : 0);
754 itx = zil_itx_create(txtype, txsize);
756 lr = (lr_acl_t *)&itx->itx_lr;
757 lr->lr_foid = zp->z_id;
758 if (txtype == TX_ACL) {
759 lr->lr_acl_bytes = aclbytes;
760 lr->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0;
761 lr->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0;
762 if (vsecp->vsa_mask & VSA_ACE_ACLFLAGS)
763 lr->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags;
765 lr->lr_acl_flags = 0;
767 lr->lr_aclcnt = (uint64_t)vsecp->vsa_aclcnt;
769 if (txtype == TX_ACL_V0) {
770 lrv0 = (lr_acl_v0_t *)lr;
771 bcopy(vsecp->vsa_aclentp, (ace_t *)(lrv0 + 1), aclbytes);
773 void *start = (ace_t *)(lr + 1);
775 bcopy(vsecp->vsa_aclentp, start, aclbytes);
777 start = (caddr_t)start + ZIL_ACE_LENGTH(aclbytes);
780 start = zfs_log_fuid_ids(fuidp, start);
781 (void) zfs_log_fuid_domains(fuidp, start);
785 itx->itx_sync = (zp->z_sync_cnt != 0);
786 zil_itx_assign(zilog, itx, tx);
790 ZFS_MODULE_PARAM(zfs, zfs_, immediate_write_sz, LONG, ZMOD_RW,
791 "Largest data block to write to zil");