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 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
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>
| 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 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
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>
|
45
| 46
|
| 47#define ZFS_HANDLE_REPLAY(zilog, tx) \
48 if (zilog->zl_replay) { \
49 dsl_dataset_dirty(dmu_objset_ds(zilog->zl_os), tx); \
50 zilog->zl_replayed_seq[dmu_tx_get_txg(tx) & TXG_MASK] = \
51 zilog->zl_replaying_seq; \
52 return; \
53 }
54
|
46/*
| 55/*
|
47 * All the functions in this file are used to construct the log entries
48 * to record transactions. They allocate * an intent log transaction
49 * structure (itx_t) and save within it all the information necessary to
50 * possibly replay the transaction. The itx is then assigned a sequence
51 * number and inserted in the in-memory list anchored in the zilog.
| 56 * These zfs_log_* functions must be called within a dmu tx, in one
57 * of 2 contexts depending on zilog->z_replay:
58 *
59 * Non replay mode
60 * ---------------
61 * We need to record the transaction so that if it is committed to
62 * the Intent Log then it can be replayed. An intent log transaction
63 * structure (itx_t) is allocated and all the information necessary to
64 * possibly replay the transaction is saved in it. The itx is then assigned
65 * a sequence number and inserted in the in-memory list anchored in the zilog.
66 *
67 * Replay mode
68 * -----------
69 * We need to mark the intent log record as replayed in the log header.
70 * This is done in the same transaction as the replay so that they
71 * commit atomically.
|
52 */
53
54int
55zfs_log_create_txtype(zil_create_t type, vsecattr_t *vsecp, vattr_t *vap)
56{
57 int isxvattr = (vap->va_mask & AT_XVATTR);
58 switch (type) {
59 case Z_FILE:
60 if (vsecp == NULL && !isxvattr)
61 return (TX_CREATE);
62 if (vsecp && isxvattr)
63#ifdef TODO
64 return (TX_CREATE_ACL_ATTR);
65#else
66 panic("%s:%u: unsupported condition", __func__, __LINE__);
67#endif
68 if (vsecp)
69 return (TX_CREATE_ACL);
70 else
71 return (TX_CREATE_ATTR);
72 /*NOTREACHED*/
73 case Z_DIR:
74 if (vsecp == NULL && !isxvattr)
75 return (TX_MKDIR);
76 if (vsecp && isxvattr)
77#ifdef TODO
78 return (TX_MKDIR_ACL_ATTR);
79#else
80 panic("%s:%u: unsupported condition", __func__, __LINE__);
81#endif
82 if (vsecp)
83 return (TX_MKDIR_ACL);
84 else
85 return (TX_MKDIR_ATTR);
86 case Z_XATTRDIR:
87 return (TX_MKXATTR);
88 }
89 ASSERT(0);
90 return (TX_MAX_TYPE);
91}
92
93/*
94 * build up the log data necessary for logging xvattr_t
95 * First lr_attr_t is initialized. following the lr_attr_t
96 * is the mapsize and attribute bitmap copied from the xvattr_t.
97 * Following the bitmap and bitmapsize two 64 bit words are reserved
98 * for the create time which may be set. Following the create time
99 * records a single 64 bit integer which has the bits to set on
100 * replay for the xvattr.
101 */
102static void
103zfs_log_xvattr(lr_attr_t *lrattr, xvattr_t *xvap)
104{
105 uint32_t *bitmap;
106 uint64_t *attrs;
107 uint64_t *crtime;
108 xoptattr_t *xoap;
109 void *scanstamp;
110 int i;
111
112 xoap = xva_getxoptattr(xvap);
113 ASSERT(xoap);
114
115 lrattr->lr_attr_masksize = xvap->xva_mapsize;
116 bitmap = &lrattr->lr_attr_bitmap;
117 for (i = 0; i != xvap->xva_mapsize; i++, bitmap++) {
118 *bitmap = xvap->xva_reqattrmap[i];
119 }
120
121 /* Now pack the attributes up in a single uint64_t */
122 attrs = (uint64_t *)bitmap;
123 crtime = attrs + 1;
124 scanstamp = (caddr_t)(crtime + 2);
125 *attrs = 0;
126 if (XVA_ISSET_REQ(xvap, XAT_READONLY))
127 *attrs |= (xoap->xoa_readonly == 0) ? 0 :
128 XAT0_READONLY;
129 if (XVA_ISSET_REQ(xvap, XAT_HIDDEN))
130 *attrs |= (xoap->xoa_hidden == 0) ? 0 :
131 XAT0_HIDDEN;
132 if (XVA_ISSET_REQ(xvap, XAT_SYSTEM))
133 *attrs |= (xoap->xoa_system == 0) ? 0 :
134 XAT0_SYSTEM;
135 if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE))
136 *attrs |= (xoap->xoa_archive == 0) ? 0 :
137 XAT0_ARCHIVE;
138 if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE))
139 *attrs |= (xoap->xoa_immutable == 0) ? 0 :
140 XAT0_IMMUTABLE;
141 if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK))
142 *attrs |= (xoap->xoa_nounlink == 0) ? 0 :
143 XAT0_NOUNLINK;
144 if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY))
145 *attrs |= (xoap->xoa_appendonly == 0) ? 0 :
146 XAT0_APPENDONLY;
147 if (XVA_ISSET_REQ(xvap, XAT_OPAQUE))
148 *attrs |= (xoap->xoa_opaque == 0) ? 0 :
149 XAT0_APPENDONLY;
150 if (XVA_ISSET_REQ(xvap, XAT_NODUMP))
151 *attrs |= (xoap->xoa_nodump == 0) ? 0 :
152 XAT0_NODUMP;
153 if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED))
154 *attrs |= (xoap->xoa_av_quarantined == 0) ? 0 :
155 XAT0_AV_QUARANTINED;
156 if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED))
157 *attrs |= (xoap->xoa_av_modified == 0) ? 0 :
158 XAT0_AV_MODIFIED;
159 if (XVA_ISSET_REQ(xvap, XAT_CREATETIME))
160 ZFS_TIME_ENCODE(&xoap->xoa_createtime, crtime);
161 if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP))
162 bcopy(xoap->xoa_av_scanstamp, scanstamp, AV_SCANSTAMP_SZ);
163}
164
165static void *
166zfs_log_fuid_ids(zfs_fuid_info_t *fuidp, void *start)
167{
168 zfs_fuid_t *zfuid;
169 uint64_t *fuidloc = start;
170
171 /* First copy in the ACE FUIDs */
172 for (zfuid = list_head(&fuidp->z_fuids); zfuid;
173 zfuid = list_next(&fuidp->z_fuids, zfuid)) {
174 *fuidloc++ = zfuid->z_logfuid;
175 }
176 return (fuidloc);
177}
178
179
180static void *
181zfs_log_fuid_domains(zfs_fuid_info_t *fuidp, void *start)
182{
183 zfs_fuid_domain_t *zdomain;
184
185 /* now copy in the domain info, if any */
186 if (fuidp->z_domain_str_sz != 0) {
187 for (zdomain = list_head(&fuidp->z_domains); zdomain;
188 zdomain = list_next(&fuidp->z_domains, zdomain)) {
189 bcopy((void *)zdomain->z_domain, start,
190 strlen(zdomain->z_domain) + 1);
191 start = (caddr_t)start +
192 strlen(zdomain->z_domain) + 1;
193 }
194 }
195 return (start);
196}
197
198/*
199 * zfs_log_create() is used to handle TX_CREATE, TX_CREATE_ATTR, TX_MKDIR,
200 * TX_MKDIR_ATTR and TX_MKXATTR
201 * transactions.
202 *
203 * TX_CREATE and TX_MKDIR are standard creates, but they may have FUID
204 * domain information appended prior to the name. In this case the
205 * uid/gid in the log record will be a log centric FUID.
206 *
207 * TX_CREATE_ACL_ATTR and TX_MKDIR_ACL_ATTR handle special creates that
208 * may contain attributes, ACL and optional fuid information.
209 *
210 * TX_CREATE_ACL and TX_MKDIR_ACL handle special creates that specify
211 * and ACL and normal users/groups in the ACEs.
212 *
213 * There may be an optional xvattr attribute information similar
214 * to zfs_log_setattr.
215 *
216 * Also, after the file name "domain" strings may be appended.
217 */
218void
219zfs_log_create(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
220 znode_t *dzp, znode_t *zp, char *name, vsecattr_t *vsecp,
221 zfs_fuid_info_t *fuidp, vattr_t *vap)
222{
223 itx_t *itx;
224 uint64_t seq;
225 lr_create_t *lr;
226 lr_acl_create_t *lracl;
227 size_t aclsize;
228 size_t xvatsize = 0;
229 size_t txsize;
230 xvattr_t *xvap = (xvattr_t *)vap;
231 void *end;
232 size_t lrsize;
233 size_t namesize = strlen(name) + 1;
234 size_t fuidsz = 0;
235
236 if (zilog == NULL)
237 return;
238
| 72 */
73
74int
75zfs_log_create_txtype(zil_create_t type, vsecattr_t *vsecp, vattr_t *vap)
76{
77 int isxvattr = (vap->va_mask & AT_XVATTR);
78 switch (type) {
79 case Z_FILE:
80 if (vsecp == NULL && !isxvattr)
81 return (TX_CREATE);
82 if (vsecp && isxvattr)
83#ifdef TODO
84 return (TX_CREATE_ACL_ATTR);
85#else
86 panic("%s:%u: unsupported condition", __func__, __LINE__);
87#endif
88 if (vsecp)
89 return (TX_CREATE_ACL);
90 else
91 return (TX_CREATE_ATTR);
92 /*NOTREACHED*/
93 case Z_DIR:
94 if (vsecp == NULL && !isxvattr)
95 return (TX_MKDIR);
96 if (vsecp && isxvattr)
97#ifdef TODO
98 return (TX_MKDIR_ACL_ATTR);
99#else
100 panic("%s:%u: unsupported condition", __func__, __LINE__);
101#endif
102 if (vsecp)
103 return (TX_MKDIR_ACL);
104 else
105 return (TX_MKDIR_ATTR);
106 case Z_XATTRDIR:
107 return (TX_MKXATTR);
108 }
109 ASSERT(0);
110 return (TX_MAX_TYPE);
111}
112
113/*
114 * build up the log data necessary for logging xvattr_t
115 * First lr_attr_t is initialized. following the lr_attr_t
116 * is the mapsize and attribute bitmap copied from the xvattr_t.
117 * Following the bitmap and bitmapsize two 64 bit words are reserved
118 * for the create time which may be set. Following the create time
119 * records a single 64 bit integer which has the bits to set on
120 * replay for the xvattr.
121 */
122static void
123zfs_log_xvattr(lr_attr_t *lrattr, xvattr_t *xvap)
124{
125 uint32_t *bitmap;
126 uint64_t *attrs;
127 uint64_t *crtime;
128 xoptattr_t *xoap;
129 void *scanstamp;
130 int i;
131
132 xoap = xva_getxoptattr(xvap);
133 ASSERT(xoap);
134
135 lrattr->lr_attr_masksize = xvap->xva_mapsize;
136 bitmap = &lrattr->lr_attr_bitmap;
137 for (i = 0; i != xvap->xva_mapsize; i++, bitmap++) {
138 *bitmap = xvap->xva_reqattrmap[i];
139 }
140
141 /* Now pack the attributes up in a single uint64_t */
142 attrs = (uint64_t *)bitmap;
143 crtime = attrs + 1;
144 scanstamp = (caddr_t)(crtime + 2);
145 *attrs = 0;
146 if (XVA_ISSET_REQ(xvap, XAT_READONLY))
147 *attrs |= (xoap->xoa_readonly == 0) ? 0 :
148 XAT0_READONLY;
149 if (XVA_ISSET_REQ(xvap, XAT_HIDDEN))
150 *attrs |= (xoap->xoa_hidden == 0) ? 0 :
151 XAT0_HIDDEN;
152 if (XVA_ISSET_REQ(xvap, XAT_SYSTEM))
153 *attrs |= (xoap->xoa_system == 0) ? 0 :
154 XAT0_SYSTEM;
155 if (XVA_ISSET_REQ(xvap, XAT_ARCHIVE))
156 *attrs |= (xoap->xoa_archive == 0) ? 0 :
157 XAT0_ARCHIVE;
158 if (XVA_ISSET_REQ(xvap, XAT_IMMUTABLE))
159 *attrs |= (xoap->xoa_immutable == 0) ? 0 :
160 XAT0_IMMUTABLE;
161 if (XVA_ISSET_REQ(xvap, XAT_NOUNLINK))
162 *attrs |= (xoap->xoa_nounlink == 0) ? 0 :
163 XAT0_NOUNLINK;
164 if (XVA_ISSET_REQ(xvap, XAT_APPENDONLY))
165 *attrs |= (xoap->xoa_appendonly == 0) ? 0 :
166 XAT0_APPENDONLY;
167 if (XVA_ISSET_REQ(xvap, XAT_OPAQUE))
168 *attrs |= (xoap->xoa_opaque == 0) ? 0 :
169 XAT0_APPENDONLY;
170 if (XVA_ISSET_REQ(xvap, XAT_NODUMP))
171 *attrs |= (xoap->xoa_nodump == 0) ? 0 :
172 XAT0_NODUMP;
173 if (XVA_ISSET_REQ(xvap, XAT_AV_QUARANTINED))
174 *attrs |= (xoap->xoa_av_quarantined == 0) ? 0 :
175 XAT0_AV_QUARANTINED;
176 if (XVA_ISSET_REQ(xvap, XAT_AV_MODIFIED))
177 *attrs |= (xoap->xoa_av_modified == 0) ? 0 :
178 XAT0_AV_MODIFIED;
179 if (XVA_ISSET_REQ(xvap, XAT_CREATETIME))
180 ZFS_TIME_ENCODE(&xoap->xoa_createtime, crtime);
181 if (XVA_ISSET_REQ(xvap, XAT_AV_SCANSTAMP))
182 bcopy(xoap->xoa_av_scanstamp, scanstamp, AV_SCANSTAMP_SZ);
183}
184
185static void *
186zfs_log_fuid_ids(zfs_fuid_info_t *fuidp, void *start)
187{
188 zfs_fuid_t *zfuid;
189 uint64_t *fuidloc = start;
190
191 /* First copy in the ACE FUIDs */
192 for (zfuid = list_head(&fuidp->z_fuids); zfuid;
193 zfuid = list_next(&fuidp->z_fuids, zfuid)) {
194 *fuidloc++ = zfuid->z_logfuid;
195 }
196 return (fuidloc);
197}
198
199
200static void *
201zfs_log_fuid_domains(zfs_fuid_info_t *fuidp, void *start)
202{
203 zfs_fuid_domain_t *zdomain;
204
205 /* now copy in the domain info, if any */
206 if (fuidp->z_domain_str_sz != 0) {
207 for (zdomain = list_head(&fuidp->z_domains); zdomain;
208 zdomain = list_next(&fuidp->z_domains, zdomain)) {
209 bcopy((void *)zdomain->z_domain, start,
210 strlen(zdomain->z_domain) + 1);
211 start = (caddr_t)start +
212 strlen(zdomain->z_domain) + 1;
213 }
214 }
215 return (start);
216}
217
218/*
219 * zfs_log_create() is used to handle TX_CREATE, TX_CREATE_ATTR, TX_MKDIR,
220 * TX_MKDIR_ATTR and TX_MKXATTR
221 * 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 uint64_t seq;
245 lr_create_t *lr;
246 lr_acl_create_t *lracl;
247 size_t aclsize;
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 (zilog == NULL)
257 return;
258
|
| 259 ZFS_HANDLE_REPLAY(zilog, tx); /* exits if replay */
260
|
239 /*
240 * If we have FUIDs present then add in space for
241 * domains and ACE fuid's if any.
242 */
243 if (fuidp) {
244 fuidsz += fuidp->z_domain_str_sz;
245 fuidsz += fuidp->z_fuid_cnt * sizeof (uint64_t);
246 }
247
248 if (vap->va_mask & AT_XVATTR)
249 xvatsize = ZIL_XVAT_SIZE(xvap->xva_mapsize);
250
251 if ((int)txtype == TX_CREATE_ATTR || (int)txtype == TX_MKDIR_ATTR ||
252 (int)txtype == TX_CREATE || (int)txtype == TX_MKDIR ||
253 (int)txtype == TX_MKXATTR) {
254 txsize = sizeof (*lr) + namesize + fuidsz + xvatsize;
255 lrsize = sizeof (*lr);
256 } else {
257 aclsize = (vsecp) ? vsecp->vsa_aclentsz : 0;
258 txsize =
259 sizeof (lr_acl_create_t) + namesize + fuidsz +
260 ZIL_ACE_LENGTH(aclsize) + xvatsize;
261 lrsize = sizeof (lr_acl_create_t);
262 }
263
264 itx = zil_itx_create(txtype, txsize);
265
266 lr = (lr_create_t *)&itx->itx_lr;
267 lr->lr_doid = dzp->z_id;
268 lr->lr_foid = zp->z_id;
269 lr->lr_mode = zp->z_phys->zp_mode;
270 if (!IS_EPHEMERAL(zp->z_phys->zp_uid)) {
271 lr->lr_uid = (uint64_t)zp->z_phys->zp_uid;
272 } else {
273 lr->lr_uid = fuidp->z_fuid_owner;
274 }
275 if (!IS_EPHEMERAL(zp->z_phys->zp_gid)) {
276 lr->lr_gid = (uint64_t)zp->z_phys->zp_gid;
277 } else {
278 lr->lr_gid = fuidp->z_fuid_group;
279 }
280 lr->lr_gen = zp->z_phys->zp_gen;
281 lr->lr_crtime[0] = zp->z_phys->zp_crtime[0];
282 lr->lr_crtime[1] = zp->z_phys->zp_crtime[1];
283 lr->lr_rdev = zp->z_phys->zp_rdev;
284
285 /*
286 * Fill in xvattr info if any
287 */
288 if (vap->va_mask & AT_XVATTR) {
289 zfs_log_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), xvap);
290 end = (caddr_t)lr + lrsize + xvatsize;
291 } else {
292 end = (caddr_t)lr + lrsize;
293 }
294
295 /* Now fill in any ACL info */
296
297 if (vsecp) {
298 lracl = (lr_acl_create_t *)&itx->itx_lr;
299 lracl->lr_aclcnt = vsecp->vsa_aclcnt;
300 lracl->lr_acl_bytes = aclsize;
301 lracl->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0;
302 lracl->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0;
303 if (vsecp->vsa_aclflags & VSA_ACE_ACLFLAGS)
304 lracl->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags;
305 else
306 lracl->lr_acl_flags = 0;
307
308 bcopy(vsecp->vsa_aclentp, end, aclsize);
309 end = (caddr_t)end + ZIL_ACE_LENGTH(aclsize);
310 }
311
312 /* drop in FUID info */
313 if (fuidp) {
314 end = zfs_log_fuid_ids(fuidp, end);
315 end = zfs_log_fuid_domains(fuidp, end);
316 }
317 /*
318 * Now place file name in log record
319 */
320 bcopy(name, end, namesize);
321
322 seq = zil_itx_assign(zilog, itx, tx);
323 dzp->z_last_itx = seq;
324 zp->z_last_itx = seq;
325}
326
327/*
328 * zfs_log_remove() handles both TX_REMOVE and TX_RMDIR transactions.
329 */
330void
331zfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
332 znode_t *dzp, char *name)
333{
334 itx_t *itx;
335 uint64_t seq;
336 lr_remove_t *lr;
337 size_t namesize = strlen(name) + 1;
338
339 if (zilog == NULL)
340 return;
341
| 261 /*
262 * If we have FUIDs present then add in space for
263 * domains and ACE fuid's if any.
264 */
265 if (fuidp) {
266 fuidsz += fuidp->z_domain_str_sz;
267 fuidsz += fuidp->z_fuid_cnt * sizeof (uint64_t);
268 }
269
270 if (vap->va_mask & AT_XVATTR)
271 xvatsize = ZIL_XVAT_SIZE(xvap->xva_mapsize);
272
273 if ((int)txtype == TX_CREATE_ATTR || (int)txtype == TX_MKDIR_ATTR ||
274 (int)txtype == TX_CREATE || (int)txtype == TX_MKDIR ||
275 (int)txtype == TX_MKXATTR) {
276 txsize = sizeof (*lr) + namesize + fuidsz + xvatsize;
277 lrsize = sizeof (*lr);
278 } else {
279 aclsize = (vsecp) ? vsecp->vsa_aclentsz : 0;
280 txsize =
281 sizeof (lr_acl_create_t) + namesize + fuidsz +
282 ZIL_ACE_LENGTH(aclsize) + xvatsize;
283 lrsize = sizeof (lr_acl_create_t);
284 }
285
286 itx = zil_itx_create(txtype, txsize);
287
288 lr = (lr_create_t *)&itx->itx_lr;
289 lr->lr_doid = dzp->z_id;
290 lr->lr_foid = zp->z_id;
291 lr->lr_mode = zp->z_phys->zp_mode;
292 if (!IS_EPHEMERAL(zp->z_phys->zp_uid)) {
293 lr->lr_uid = (uint64_t)zp->z_phys->zp_uid;
294 } else {
295 lr->lr_uid = fuidp->z_fuid_owner;
296 }
297 if (!IS_EPHEMERAL(zp->z_phys->zp_gid)) {
298 lr->lr_gid = (uint64_t)zp->z_phys->zp_gid;
299 } else {
300 lr->lr_gid = fuidp->z_fuid_group;
301 }
302 lr->lr_gen = zp->z_phys->zp_gen;
303 lr->lr_crtime[0] = zp->z_phys->zp_crtime[0];
304 lr->lr_crtime[1] = zp->z_phys->zp_crtime[1];
305 lr->lr_rdev = zp->z_phys->zp_rdev;
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 seq = zil_itx_assign(zilog, itx, tx);
345 dzp->z_last_itx = seq;
346 zp->z_last_itx = seq;
347}
348
349/*
350 * zfs_log_remove() handles both TX_REMOVE and TX_RMDIR transactions.
351 */
352void
353zfs_log_remove(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
354 znode_t *dzp, char *name)
355{
356 itx_t *itx;
357 uint64_t seq;
358 lr_remove_t *lr;
359 size_t namesize = strlen(name) + 1;
360
361 if (zilog == NULL)
362 return;
363
|
| 364 ZFS_HANDLE_REPLAY(zilog, tx); /* exits if replay */
365
|
342 itx = zil_itx_create(txtype, sizeof (*lr) + namesize);
343 lr = (lr_remove_t *)&itx->itx_lr;
344 lr->lr_doid = dzp->z_id;
345 bcopy(name, (char *)(lr + 1), namesize);
346
347 seq = zil_itx_assign(zilog, itx, tx);
348 dzp->z_last_itx = seq;
349}
350
351/*
352 * zfs_log_link() handles TX_LINK transactions.
353 */
354void
355zfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
356 znode_t *dzp, znode_t *zp, char *name)
357{
358 itx_t *itx;
359 uint64_t seq;
360 lr_link_t *lr;
361 size_t namesize = strlen(name) + 1;
362
363 if (zilog == NULL)
364 return;
365
| 366 itx = zil_itx_create(txtype, sizeof (*lr) + namesize);
367 lr = (lr_remove_t *)&itx->itx_lr;
368 lr->lr_doid = dzp->z_id;
369 bcopy(name, (char *)(lr + 1), namesize);
370
371 seq = zil_itx_assign(zilog, itx, tx);
372 dzp->z_last_itx = seq;
373}
374
375/*
376 * zfs_log_link() handles TX_LINK transactions.
377 */
378void
379zfs_log_link(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
380 znode_t *dzp, znode_t *zp, char *name)
381{
382 itx_t *itx;
383 uint64_t seq;
384 lr_link_t *lr;
385 size_t namesize = strlen(name) + 1;
386
387 if (zilog == NULL)
388 return;
389
|
| 390 ZFS_HANDLE_REPLAY(zilog, tx); /* exits if replay */
391
|
366 itx = zil_itx_create(txtype, sizeof (*lr) + namesize);
367 lr = (lr_link_t *)&itx->itx_lr;
368 lr->lr_doid = dzp->z_id;
369 lr->lr_link_obj = zp->z_id;
370 bcopy(name, (char *)(lr + 1), namesize);
371
372 seq = zil_itx_assign(zilog, itx, tx);
373 dzp->z_last_itx = seq;
374 zp->z_last_itx = seq;
375}
376
377/*
378 * zfs_log_symlink() handles TX_SYMLINK transactions.
379 */
380void
381zfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
382 znode_t *dzp, znode_t *zp, char *name, char *link)
383{
384 itx_t *itx;
385 uint64_t seq;
386 lr_create_t *lr;
387 size_t namesize = strlen(name) + 1;
388 size_t linksize = strlen(link) + 1;
389
390 if (zilog == NULL)
391 return;
392
| 392 itx = zil_itx_create(txtype, sizeof (*lr) + namesize);
393 lr = (lr_link_t *)&itx->itx_lr;
394 lr->lr_doid = dzp->z_id;
395 lr->lr_link_obj = zp->z_id;
396 bcopy(name, (char *)(lr + 1), namesize);
397
398 seq = zil_itx_assign(zilog, itx, tx);
399 dzp->z_last_itx = seq;
400 zp->z_last_itx = seq;
401}
402
403/*
404 * zfs_log_symlink() handles TX_SYMLINK transactions.
405 */
406void
407zfs_log_symlink(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
408 znode_t *dzp, znode_t *zp, char *name, char *link)
409{
410 itx_t *itx;
411 uint64_t seq;
412 lr_create_t *lr;
413 size_t namesize = strlen(name) + 1;
414 size_t linksize = strlen(link) + 1;
415
416 if (zilog == NULL)
417 return;
418
|
| 419 ZFS_HANDLE_REPLAY(zilog, tx); /* exits if replay */
420
|
393 itx = zil_itx_create(txtype, sizeof (*lr) + namesize + linksize);
394 lr = (lr_create_t *)&itx->itx_lr;
395 lr->lr_doid = dzp->z_id;
396 lr->lr_foid = zp->z_id;
397 lr->lr_mode = zp->z_phys->zp_mode;
398 lr->lr_uid = zp->z_phys->zp_uid;
399 lr->lr_gid = zp->z_phys->zp_gid;
400 lr->lr_gen = zp->z_phys->zp_gen;
401 lr->lr_crtime[0] = zp->z_phys->zp_crtime[0];
402 lr->lr_crtime[1] = zp->z_phys->zp_crtime[1];
403 bcopy(name, (char *)(lr + 1), namesize);
404 bcopy(link, (char *)(lr + 1) + namesize, linksize);
405
406 seq = zil_itx_assign(zilog, itx, tx);
407 dzp->z_last_itx = seq;
408 zp->z_last_itx = seq;
409}
410
411/*
412 * zfs_log_rename() handles TX_RENAME transactions.
413 */
414void
415zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
416 znode_t *sdzp, char *sname, znode_t *tdzp, char *dname, znode_t *szp)
417{
418 itx_t *itx;
419 uint64_t seq;
420 lr_rename_t *lr;
421 size_t snamesize = strlen(sname) + 1;
422 size_t dnamesize = strlen(dname) + 1;
423
424 if (zilog == NULL)
425 return;
426
| 421 itx = zil_itx_create(txtype, sizeof (*lr) + namesize + linksize);
422 lr = (lr_create_t *)&itx->itx_lr;
423 lr->lr_doid = dzp->z_id;
424 lr->lr_foid = zp->z_id;
425 lr->lr_mode = zp->z_phys->zp_mode;
426 lr->lr_uid = zp->z_phys->zp_uid;
427 lr->lr_gid = zp->z_phys->zp_gid;
428 lr->lr_gen = zp->z_phys->zp_gen;
429 lr->lr_crtime[0] = zp->z_phys->zp_crtime[0];
430 lr->lr_crtime[1] = zp->z_phys->zp_crtime[1];
431 bcopy(name, (char *)(lr + 1), namesize);
432 bcopy(link, (char *)(lr + 1) + namesize, linksize);
433
434 seq = zil_itx_assign(zilog, itx, tx);
435 dzp->z_last_itx = seq;
436 zp->z_last_itx = seq;
437}
438
439/*
440 * zfs_log_rename() handles TX_RENAME transactions.
441 */
442void
443zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
444 znode_t *sdzp, char *sname, znode_t *tdzp, char *dname, znode_t *szp)
445{
446 itx_t *itx;
447 uint64_t seq;
448 lr_rename_t *lr;
449 size_t snamesize = strlen(sname) + 1;
450 size_t dnamesize = strlen(dname) + 1;
451
452 if (zilog == NULL)
453 return;
454
|
| 455 ZFS_HANDLE_REPLAY(zilog, tx); /* exits if replay */
456
|
427 itx = zil_itx_create(txtype, sizeof (*lr) + snamesize + dnamesize);
428 lr = (lr_rename_t *)&itx->itx_lr;
429 lr->lr_sdoid = sdzp->z_id;
430 lr->lr_tdoid = tdzp->z_id;
431 bcopy(sname, (char *)(lr + 1), snamesize);
432 bcopy(dname, (char *)(lr + 1) + snamesize, dnamesize);
433
434 seq = zil_itx_assign(zilog, itx, tx);
435 sdzp->z_last_itx = seq;
436 tdzp->z_last_itx = seq;
437 szp->z_last_itx = seq;
438}
439
440/*
441 * zfs_log_write() handles TX_WRITE transactions.
442 */
443ssize_t zfs_immediate_write_sz = 32768;
444
445#define ZIL_MAX_LOG_DATA (SPA_MAXBLOCKSIZE - sizeof (zil_trailer_t) - \
446 sizeof (lr_write_t))
447
448void
449zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype,
450 znode_t *zp, offset_t off, ssize_t resid, int ioflag)
451{
452 itx_wr_state_t write_state;
453 boolean_t slogging;
454 uintptr_t fsync_cnt;
455
456 if (zilog == NULL || zp->z_unlinked)
457 return;
458
| 457 itx = zil_itx_create(txtype, sizeof (*lr) + snamesize + dnamesize);
458 lr = (lr_rename_t *)&itx->itx_lr;
459 lr->lr_sdoid = sdzp->z_id;
460 lr->lr_tdoid = tdzp->z_id;
461 bcopy(sname, (char *)(lr + 1), snamesize);
462 bcopy(dname, (char *)(lr + 1) + snamesize, dnamesize);
463
464 seq = zil_itx_assign(zilog, itx, tx);
465 sdzp->z_last_itx = seq;
466 tdzp->z_last_itx = seq;
467 szp->z_last_itx = seq;
468}
469
470/*
471 * zfs_log_write() handles TX_WRITE transactions.
472 */
473ssize_t zfs_immediate_write_sz = 32768;
474
475#define ZIL_MAX_LOG_DATA (SPA_MAXBLOCKSIZE - sizeof (zil_trailer_t) - \
476 sizeof (lr_write_t))
477
478void
479zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype,
480 znode_t *zp, offset_t off, ssize_t resid, int ioflag)
481{
482 itx_wr_state_t write_state;
483 boolean_t slogging;
484 uintptr_t fsync_cnt;
485
486 if (zilog == NULL || zp->z_unlinked)
487 return;
488
|
| 489 ZFS_HANDLE_REPLAY(zilog, tx); /* exits if replay */
490
|
459 /*
460 * Writes are handled in three different ways:
461 *
462 * WR_INDIRECT:
463 * In this mode, if we need to commit the write later, then the block
464 * is immediately written into the file system (using dmu_sync),
465 * and a pointer to the block is put into the log record.
466 * When the txg commits the block is linked in.
467 * This saves additionally writing the data into the log record.
468 * There are a few requirements for this to occur:
469 * - write is greater than zfs_immediate_write_sz
470 * - not using slogs (as slogs are assumed to always be faster
471 * than writing into the main pool)
472 * - the write occupies only one block
473 * WR_COPIED:
474 * If we know we'll immediately be committing the
475 * transaction (FSYNC or FDSYNC), the we allocate a larger
476 * log record here for the data and copy the data in.
477 * WR_NEED_COPY:
478 * Otherwise we don't allocate a buffer, and *if* we need to
479 * flush the write later then a buffer is allocated and
480 * we retrieve the data using the dmu.
481 */
482 slogging = spa_has_slogs(zilog->zl_spa);
483 if (resid > zfs_immediate_write_sz && !slogging && resid <= zp->z_blksz)
484 write_state = WR_INDIRECT;
485 else if (ioflag & (FSYNC | FDSYNC))
486 write_state = WR_COPIED;
487 else
488 write_state = WR_NEED_COPY;
489
490 if ((fsync_cnt = (uintptr_t)tsd_get(zfs_fsyncer_key)) != 0) {
491 (void) tsd_set(zfs_fsyncer_key, (void *)(fsync_cnt - 1));
492 }
493
494 while (resid) {
495 itx_t *itx;
496 lr_write_t *lr;
497 ssize_t len;
498
499 /*
500 * If the write would overflow the largest block then split it.
501 */
502 if (write_state != WR_INDIRECT && resid > ZIL_MAX_LOG_DATA)
503 len = SPA_MAXBLOCKSIZE >> 1;
504 else
505 len = resid;
506
507 itx = zil_itx_create(txtype, sizeof (*lr) +
508 (write_state == WR_COPIED ? len : 0));
509 lr = (lr_write_t *)&itx->itx_lr;
510 if (write_state == WR_COPIED && dmu_read(zp->z_zfsvfs->z_os,
| 491 /*
492 * Writes are handled in three different ways:
493 *
494 * WR_INDIRECT:
495 * In this mode, if we need to commit the write later, then the block
496 * is immediately written into the file system (using dmu_sync),
497 * and a pointer to the block is put into the log record.
498 * When the txg commits the block is linked in.
499 * This saves additionally writing the data into the log record.
500 * There are a few requirements for this to occur:
501 * - write is greater than zfs_immediate_write_sz
502 * - not using slogs (as slogs are assumed to always be faster
503 * than writing into the main pool)
504 * - the write occupies only one block
505 * WR_COPIED:
506 * If we know we'll immediately be committing the
507 * transaction (FSYNC or FDSYNC), the we allocate a larger
508 * log record here for the data and copy the data in.
509 * WR_NEED_COPY:
510 * Otherwise we don't allocate a buffer, and *if* we need to
511 * flush the write later then a buffer is allocated and
512 * we retrieve the data using the dmu.
513 */
514 slogging = spa_has_slogs(zilog->zl_spa);
515 if (resid > zfs_immediate_write_sz && !slogging && resid <= zp->z_blksz)
516 write_state = WR_INDIRECT;
517 else if (ioflag & (FSYNC | FDSYNC))
518 write_state = WR_COPIED;
519 else
520 write_state = WR_NEED_COPY;
521
522 if ((fsync_cnt = (uintptr_t)tsd_get(zfs_fsyncer_key)) != 0) {
523 (void) tsd_set(zfs_fsyncer_key, (void *)(fsync_cnt - 1));
524 }
525
526 while (resid) {
527 itx_t *itx;
528 lr_write_t *lr;
529 ssize_t len;
530
531 /*
532 * If the write would overflow the largest block then split it.
533 */
534 if (write_state != WR_INDIRECT && resid > ZIL_MAX_LOG_DATA)
535 len = SPA_MAXBLOCKSIZE >> 1;
536 else
537 len = resid;
538
539 itx = zil_itx_create(txtype, sizeof (*lr) +
540 (write_state == WR_COPIED ? len : 0));
541 lr = (lr_write_t *)&itx->itx_lr;
542 if (write_state == WR_COPIED && dmu_read(zp->z_zfsvfs->z_os,
|
511 zp->z_id, off, len, lr + 1) != 0) {
| 543 zp->z_id, off, len, lr + 1, DMU_READ_NO_PREFETCH) != 0) {
|
512 kmem_free(itx, offsetof(itx_t, itx_lr) +
513 itx->itx_lr.lrc_reclen);
514 itx = zil_itx_create(txtype, sizeof (*lr));
515 lr = (lr_write_t *)&itx->itx_lr;
516 write_state = WR_NEED_COPY;
517 }
518
519 itx->itx_wr_state = write_state;
520 if (write_state == WR_NEED_COPY)
521 itx->itx_sod += len;
522 lr->lr_foid = zp->z_id;
523 lr->lr_offset = off;
524 lr->lr_length = len;
525 lr->lr_blkoff = 0;
526 BP_ZERO(&lr->lr_blkptr);
527
528 itx->itx_private = zp->z_zfsvfs;
529
530 if ((zp->z_sync_cnt != 0) || (fsync_cnt != 0) ||
531 (ioflag & (FSYNC | FDSYNC)))
532 itx->itx_sync = B_TRUE;
533 else
534 itx->itx_sync = B_FALSE;
535
536 zp->z_last_itx = zil_itx_assign(zilog, itx, tx);
537
538 off += len;
539 resid -= len;
540 }
541}
542
543/*
544 * zfs_log_truncate() handles TX_TRUNCATE transactions.
545 */
546void
547zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype,
548 znode_t *zp, uint64_t off, uint64_t len)
549{
550 itx_t *itx;
551 uint64_t seq;
552 lr_truncate_t *lr;
553
554 if (zilog == NULL || zp->z_unlinked)
555 return;
556
| 544 kmem_free(itx, offsetof(itx_t, itx_lr) +
545 itx->itx_lr.lrc_reclen);
546 itx = zil_itx_create(txtype, sizeof (*lr));
547 lr = (lr_write_t *)&itx->itx_lr;
548 write_state = WR_NEED_COPY;
549 }
550
551 itx->itx_wr_state = write_state;
552 if (write_state == WR_NEED_COPY)
553 itx->itx_sod += len;
554 lr->lr_foid = zp->z_id;
555 lr->lr_offset = off;
556 lr->lr_length = len;
557 lr->lr_blkoff = 0;
558 BP_ZERO(&lr->lr_blkptr);
559
560 itx->itx_private = zp->z_zfsvfs;
561
562 if ((zp->z_sync_cnt != 0) || (fsync_cnt != 0) ||
563 (ioflag & (FSYNC | FDSYNC)))
564 itx->itx_sync = B_TRUE;
565 else
566 itx->itx_sync = B_FALSE;
567
568 zp->z_last_itx = zil_itx_assign(zilog, itx, tx);
569
570 off += len;
571 resid -= len;
572 }
573}
574
575/*
576 * zfs_log_truncate() handles TX_TRUNCATE transactions.
577 */
578void
579zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype,
580 znode_t *zp, uint64_t off, uint64_t len)
581{
582 itx_t *itx;
583 uint64_t seq;
584 lr_truncate_t *lr;
585
586 if (zilog == NULL || zp->z_unlinked)
587 return;
588
|
| 589 ZFS_HANDLE_REPLAY(zilog, tx); /* exits if replay */
590
|
557 itx = zil_itx_create(txtype, sizeof (*lr));
558 lr = (lr_truncate_t *)&itx->itx_lr;
559 lr->lr_foid = zp->z_id;
560 lr->lr_offset = off;
561 lr->lr_length = len;
562
563 itx->itx_sync = (zp->z_sync_cnt != 0);
564 seq = zil_itx_assign(zilog, itx, tx);
565 zp->z_last_itx = seq;
566}
567
568/*
569 * zfs_log_setattr() handles TX_SETATTR transactions.
570 */
571void
572zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype,
573 znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp)
574{
575 itx_t *itx;
576 uint64_t seq;
577 lr_setattr_t *lr;
578 xvattr_t *xvap = (xvattr_t *)vap;
579 size_t recsize = sizeof (lr_setattr_t);
580 void *start;
581
582
583 if (zilog == NULL || zp->z_unlinked)
584 return;
585
| 591 itx = zil_itx_create(txtype, sizeof (*lr));
592 lr = (lr_truncate_t *)&itx->itx_lr;
593 lr->lr_foid = zp->z_id;
594 lr->lr_offset = off;
595 lr->lr_length = len;
596
597 itx->itx_sync = (zp->z_sync_cnt != 0);
598 seq = zil_itx_assign(zilog, itx, tx);
599 zp->z_last_itx = seq;
600}
601
602/*
603 * zfs_log_setattr() handles TX_SETATTR transactions.
604 */
605void
606zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype,
607 znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp)
608{
609 itx_t *itx;
610 uint64_t seq;
611 lr_setattr_t *lr;
612 xvattr_t *xvap = (xvattr_t *)vap;
613 size_t recsize = sizeof (lr_setattr_t);
614 void *start;
615
616
617 if (zilog == NULL || zp->z_unlinked)
618 return;
619
|
| 620 ZFS_HANDLE_REPLAY(zilog, tx); /* exits if replay */
621
|
586 /*
587 * If XVATTR set, then log record size needs to allow
588 * for lr_attr_t + xvattr mask, mapsize and create time
589 * plus actual attribute values
590 */
591 if (vap->va_mask & AT_XVATTR)
592 recsize = sizeof (*lr) + ZIL_XVAT_SIZE(xvap->xva_mapsize);
593
594 if (fuidp)
595 recsize += fuidp->z_domain_str_sz;
596
597 itx = zil_itx_create(txtype, recsize);
598 lr = (lr_setattr_t *)&itx->itx_lr;
599 lr->lr_foid = zp->z_id;
600 lr->lr_mask = (uint64_t)mask_applied;
601 lr->lr_mode = (uint64_t)vap->va_mode;
602 if ((mask_applied & AT_UID) && IS_EPHEMERAL(vap->va_uid))
603 lr->lr_uid = fuidp->z_fuid_owner;
604 else
605 lr->lr_uid = (uint64_t)vap->va_uid;
606
607 if ((mask_applied & AT_GID) && IS_EPHEMERAL(vap->va_gid))
608 lr->lr_gid = fuidp->z_fuid_group;
609 else
610 lr->lr_gid = (uint64_t)vap->va_gid;
611
612 lr->lr_size = (uint64_t)vap->va_size;
613 ZFS_TIME_ENCODE(&vap->va_atime, lr->lr_atime);
614 ZFS_TIME_ENCODE(&vap->va_mtime, lr->lr_mtime);
615 start = (lr_setattr_t *)(lr + 1);
616 if (vap->va_mask & AT_XVATTR) {
617 zfs_log_xvattr((lr_attr_t *)start, xvap);
618 start = (caddr_t)start + ZIL_XVAT_SIZE(xvap->xva_mapsize);
619 }
620
621 /*
622 * Now stick on domain information if any on end
623 */
624
625 if (fuidp)
626 (void) zfs_log_fuid_domains(fuidp, start);
627
628 itx->itx_sync = (zp->z_sync_cnt != 0);
629 seq = zil_itx_assign(zilog, itx, tx);
630 zp->z_last_itx = seq;
631}
632
633/*
634 * zfs_log_acl() handles TX_ACL transactions.
635 */
636void
637zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp,
638 vsecattr_t *vsecp, zfs_fuid_info_t *fuidp)
639{
640 itx_t *itx;
641 uint64_t seq;
642 lr_acl_v0_t *lrv0;
643 lr_acl_t *lr;
644 int txtype;
645 int lrsize;
646 size_t txsize;
647 size_t aclbytes = vsecp->vsa_aclentsz;
648
649 if (zilog == NULL || zp->z_unlinked)
650 return;
651
| 622 /*
623 * If XVATTR set, then log record size needs to allow
624 * for lr_attr_t + xvattr mask, mapsize and create time
625 * plus actual attribute values
626 */
627 if (vap->va_mask & AT_XVATTR)
628 recsize = sizeof (*lr) + ZIL_XVAT_SIZE(xvap->xva_mapsize);
629
630 if (fuidp)
631 recsize += fuidp->z_domain_str_sz;
632
633 itx = zil_itx_create(txtype, recsize);
634 lr = (lr_setattr_t *)&itx->itx_lr;
635 lr->lr_foid = zp->z_id;
636 lr->lr_mask = (uint64_t)mask_applied;
637 lr->lr_mode = (uint64_t)vap->va_mode;
638 if ((mask_applied & AT_UID) && IS_EPHEMERAL(vap->va_uid))
639 lr->lr_uid = fuidp->z_fuid_owner;
640 else
641 lr->lr_uid = (uint64_t)vap->va_uid;
642
643 if ((mask_applied & AT_GID) && IS_EPHEMERAL(vap->va_gid))
644 lr->lr_gid = fuidp->z_fuid_group;
645 else
646 lr->lr_gid = (uint64_t)vap->va_gid;
647
648 lr->lr_size = (uint64_t)vap->va_size;
649 ZFS_TIME_ENCODE(&vap->va_atime, lr->lr_atime);
650 ZFS_TIME_ENCODE(&vap->va_mtime, lr->lr_mtime);
651 start = (lr_setattr_t *)(lr + 1);
652 if (vap->va_mask & AT_XVATTR) {
653 zfs_log_xvattr((lr_attr_t *)start, xvap);
654 start = (caddr_t)start + ZIL_XVAT_SIZE(xvap->xva_mapsize);
655 }
656
657 /*
658 * Now stick on domain information if any on end
659 */
660
661 if (fuidp)
662 (void) zfs_log_fuid_domains(fuidp, start);
663
664 itx->itx_sync = (zp->z_sync_cnt != 0);
665 seq = zil_itx_assign(zilog, itx, tx);
666 zp->z_last_itx = seq;
667}
668
669/*
670 * zfs_log_acl() handles TX_ACL transactions.
671 */
672void
673zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp,
674 vsecattr_t *vsecp, zfs_fuid_info_t *fuidp)
675{
676 itx_t *itx;
677 uint64_t seq;
678 lr_acl_v0_t *lrv0;
679 lr_acl_t *lr;
680 int txtype;
681 int lrsize;
682 size_t txsize;
683 size_t aclbytes = vsecp->vsa_aclentsz;
684
685 if (zilog == NULL || zp->z_unlinked)
686 return;
687
|
| 688 ZFS_HANDLE_REPLAY(zilog, tx); /* exits if replay */
689
|
652 txtype = (zp->z_zfsvfs->z_version < ZPL_VERSION_FUID) ?
653 TX_ACL_V0 : TX_ACL;
654
655 if (txtype == TX_ACL)
656 lrsize = sizeof (*lr);
657 else
658 lrsize = sizeof (*lrv0);
659
660 txsize = lrsize +
661 ((txtype == TX_ACL) ? ZIL_ACE_LENGTH(aclbytes) : aclbytes) +
662 (fuidp ? fuidp->z_domain_str_sz : 0) +
663 sizeof (uint64_t) * (fuidp ? fuidp->z_fuid_cnt : 0);
664
665 itx = zil_itx_create(txtype, txsize);
666
667 lr = (lr_acl_t *)&itx->itx_lr;
668 lr->lr_foid = zp->z_id;
669 if (txtype == TX_ACL) {
670 lr->lr_acl_bytes = aclbytes;
671 lr->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0;
672 lr->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0;
673 if (vsecp->vsa_mask & VSA_ACE_ACLFLAGS)
674 lr->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags;
675 else
676 lr->lr_acl_flags = 0;
677 }
678 lr->lr_aclcnt = (uint64_t)vsecp->vsa_aclcnt;
679
680 if (txtype == TX_ACL_V0) {
681 lrv0 = (lr_acl_v0_t *)lr;
682 bcopy(vsecp->vsa_aclentp, (ace_t *)(lrv0 + 1), aclbytes);
683 } else {
684 void *start = (ace_t *)(lr + 1);
685
686 bcopy(vsecp->vsa_aclentp, start, aclbytes);
687
688 start = (caddr_t)start + ZIL_ACE_LENGTH(aclbytes);
689
690 if (fuidp) {
691 start = zfs_log_fuid_ids(fuidp, start);
692 (void) zfs_log_fuid_domains(fuidp, start);
693 }
694 }
695
696 itx->itx_sync = (zp->z_sync_cnt != 0);
697 seq = zil_itx_assign(zilog, itx, tx);
698 zp->z_last_itx = seq;
699}
| 690 txtype = (zp->z_zfsvfs->z_version < ZPL_VERSION_FUID) ?
691 TX_ACL_V0 : TX_ACL;
692
693 if (txtype == TX_ACL)
694 lrsize = sizeof (*lr);
695 else
696 lrsize = sizeof (*lrv0);
697
698 txsize = lrsize +
699 ((txtype == TX_ACL) ? ZIL_ACE_LENGTH(aclbytes) : aclbytes) +
700 (fuidp ? fuidp->z_domain_str_sz : 0) +
701 sizeof (uint64_t) * (fuidp ? fuidp->z_fuid_cnt : 0);
702
703 itx = zil_itx_create(txtype, txsize);
704
705 lr = (lr_acl_t *)&itx->itx_lr;
706 lr->lr_foid = zp->z_id;
707 if (txtype == TX_ACL) {
708 lr->lr_acl_bytes = aclbytes;
709 lr->lr_domcnt = fuidp ? fuidp->z_domain_cnt : 0;
710 lr->lr_fuidcnt = fuidp ? fuidp->z_fuid_cnt : 0;
711 if (vsecp->vsa_mask & VSA_ACE_ACLFLAGS)
712 lr->lr_acl_flags = (uint64_t)vsecp->vsa_aclflags;
713 else
714 lr->lr_acl_flags = 0;
715 }
716 lr->lr_aclcnt = (uint64_t)vsecp->vsa_aclcnt;
717
718 if (txtype == TX_ACL_V0) {
719 lrv0 = (lr_acl_v0_t *)lr;
720 bcopy(vsecp->vsa_aclentp, (ace_t *)(lrv0 + 1), aclbytes);
721 } else {
722 void *start = (ace_t *)(lr + 1);
723
724 bcopy(vsecp->vsa_aclentp, start, aclbytes);
725
726 start = (caddr_t)start + ZIL_ACE_LENGTH(aclbytes);
727
728 if (fuidp) {
729 start = zfs_log_fuid_ids(fuidp, start);
730 (void) zfs_log_fuid_domains(fuidp, start);
731 }
732 }
733
734 itx->itx_sync = (zp->z_sync_cnt != 0);
735 seq = zil_itx_assign(zilog, itx, tx);
736 zp->z_last_itx = seq;
737}
|