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