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Commit | Line | Data |
---|---|---|
ac27a0ec | 1 | /* |
617ba13b | 2 | * linux/fs/ext4/acl.c |
ac27a0ec DK |
3 | * |
4 | * Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de> | |
5 | */ | |
6 | ||
7 | #include <linux/init.h> | |
8 | #include <linux/sched.h> | |
9 | #include <linux/slab.h> | |
10 | #include <linux/capability.h> | |
11 | #include <linux/fs.h> | |
dab291af | 12 | #include <linux/ext4_jbd2.h> |
617ba13b | 13 | #include <linux/ext4_fs.h> |
ac27a0ec DK |
14 | #include "xattr.h" |
15 | #include "acl.h" | |
16 | ||
17 | /* | |
18 | * Convert from filesystem to in-memory representation. | |
19 | */ | |
20 | static struct posix_acl * | |
617ba13b | 21 | ext4_acl_from_disk(const void *value, size_t size) |
ac27a0ec DK |
22 | { |
23 | const char *end = (char *)value + size; | |
24 | int n, count; | |
25 | struct posix_acl *acl; | |
26 | ||
27 | if (!value) | |
28 | return NULL; | |
617ba13b | 29 | if (size < sizeof(ext4_acl_header)) |
ac27a0ec | 30 | return ERR_PTR(-EINVAL); |
617ba13b MC |
31 | if (((ext4_acl_header *)value)->a_version != |
32 | cpu_to_le32(EXT4_ACL_VERSION)) | |
ac27a0ec | 33 | return ERR_PTR(-EINVAL); |
617ba13b MC |
34 | value = (char *)value + sizeof(ext4_acl_header); |
35 | count = ext4_acl_count(size); | |
ac27a0ec DK |
36 | if (count < 0) |
37 | return ERR_PTR(-EINVAL); | |
38 | if (count == 0) | |
39 | return NULL; | |
40 | acl = posix_acl_alloc(count, GFP_KERNEL); | |
41 | if (!acl) | |
42 | return ERR_PTR(-ENOMEM); | |
43 | for (n=0; n < count; n++) { | |
617ba13b MC |
44 | ext4_acl_entry *entry = |
45 | (ext4_acl_entry *)value; | |
46 | if ((char *)value + sizeof(ext4_acl_entry_short) > end) | |
ac27a0ec DK |
47 | goto fail; |
48 | acl->a_entries[n].e_tag = le16_to_cpu(entry->e_tag); | |
49 | acl->a_entries[n].e_perm = le16_to_cpu(entry->e_perm); | |
50 | switch(acl->a_entries[n].e_tag) { | |
51 | case ACL_USER_OBJ: | |
52 | case ACL_GROUP_OBJ: | |
53 | case ACL_MASK: | |
54 | case ACL_OTHER: | |
55 | value = (char *)value + | |
617ba13b | 56 | sizeof(ext4_acl_entry_short); |
ac27a0ec DK |
57 | acl->a_entries[n].e_id = ACL_UNDEFINED_ID; |
58 | break; | |
59 | ||
60 | case ACL_USER: | |
61 | case ACL_GROUP: | |
617ba13b | 62 | value = (char *)value + sizeof(ext4_acl_entry); |
ac27a0ec DK |
63 | if ((char *)value > end) |
64 | goto fail; | |
65 | acl->a_entries[n].e_id = | |
66 | le32_to_cpu(entry->e_id); | |
67 | break; | |
68 | ||
69 | default: | |
70 | goto fail; | |
71 | } | |
72 | } | |
73 | if (value != end) | |
74 | goto fail; | |
75 | return acl; | |
76 | ||
77 | fail: | |
78 | posix_acl_release(acl); | |
79 | return ERR_PTR(-EINVAL); | |
80 | } | |
81 | ||
82 | /* | |
83 | * Convert from in-memory to filesystem representation. | |
84 | */ | |
85 | static void * | |
617ba13b | 86 | ext4_acl_to_disk(const struct posix_acl *acl, size_t *size) |
ac27a0ec | 87 | { |
617ba13b | 88 | ext4_acl_header *ext_acl; |
ac27a0ec DK |
89 | char *e; |
90 | size_t n; | |
91 | ||
617ba13b MC |
92 | *size = ext4_acl_size(acl->a_count); |
93 | ext_acl = kmalloc(sizeof(ext4_acl_header) + acl->a_count * | |
94 | sizeof(ext4_acl_entry), GFP_KERNEL); | |
ac27a0ec DK |
95 | if (!ext_acl) |
96 | return ERR_PTR(-ENOMEM); | |
617ba13b MC |
97 | ext_acl->a_version = cpu_to_le32(EXT4_ACL_VERSION); |
98 | e = (char *)ext_acl + sizeof(ext4_acl_header); | |
ac27a0ec | 99 | for (n=0; n < acl->a_count; n++) { |
617ba13b | 100 | ext4_acl_entry *entry = (ext4_acl_entry *)e; |
ac27a0ec DK |
101 | entry->e_tag = cpu_to_le16(acl->a_entries[n].e_tag); |
102 | entry->e_perm = cpu_to_le16(acl->a_entries[n].e_perm); | |
103 | switch(acl->a_entries[n].e_tag) { | |
104 | case ACL_USER: | |
105 | case ACL_GROUP: | |
106 | entry->e_id = | |
107 | cpu_to_le32(acl->a_entries[n].e_id); | |
617ba13b | 108 | e += sizeof(ext4_acl_entry); |
ac27a0ec DK |
109 | break; |
110 | ||
111 | case ACL_USER_OBJ: | |
112 | case ACL_GROUP_OBJ: | |
113 | case ACL_MASK: | |
114 | case ACL_OTHER: | |
617ba13b | 115 | e += sizeof(ext4_acl_entry_short); |
ac27a0ec DK |
116 | break; |
117 | ||
118 | default: | |
119 | goto fail; | |
120 | } | |
121 | } | |
122 | return (char *)ext_acl; | |
123 | ||
124 | fail: | |
125 | kfree(ext_acl); | |
126 | return ERR_PTR(-EINVAL); | |
127 | } | |
128 | ||
129 | static inline struct posix_acl * | |
617ba13b | 130 | ext4_iget_acl(struct inode *inode, struct posix_acl **i_acl) |
ac27a0ec | 131 | { |
617ba13b | 132 | struct posix_acl *acl = EXT4_ACL_NOT_CACHED; |
ac27a0ec DK |
133 | |
134 | spin_lock(&inode->i_lock); | |
617ba13b | 135 | if (*i_acl != EXT4_ACL_NOT_CACHED) |
ac27a0ec DK |
136 | acl = posix_acl_dup(*i_acl); |
137 | spin_unlock(&inode->i_lock); | |
138 | ||
139 | return acl; | |
140 | } | |
141 | ||
142 | static inline void | |
617ba13b | 143 | ext4_iset_acl(struct inode *inode, struct posix_acl **i_acl, |
63f57933 | 144 | struct posix_acl *acl) |
ac27a0ec DK |
145 | { |
146 | spin_lock(&inode->i_lock); | |
617ba13b | 147 | if (*i_acl != EXT4_ACL_NOT_CACHED) |
ac27a0ec DK |
148 | posix_acl_release(*i_acl); |
149 | *i_acl = posix_acl_dup(acl); | |
150 | spin_unlock(&inode->i_lock); | |
151 | } | |
152 | ||
153 | /* | |
154 | * Inode operation get_posix_acl(). | |
155 | * | |
156 | * inode->i_mutex: don't care | |
157 | */ | |
158 | static struct posix_acl * | |
617ba13b | 159 | ext4_get_acl(struct inode *inode, int type) |
ac27a0ec | 160 | { |
617ba13b | 161 | struct ext4_inode_info *ei = EXT4_I(inode); |
ac27a0ec DK |
162 | int name_index; |
163 | char *value = NULL; | |
164 | struct posix_acl *acl; | |
165 | int retval; | |
166 | ||
167 | if (!test_opt(inode->i_sb, POSIX_ACL)) | |
168 | return NULL; | |
169 | ||
170 | switch(type) { | |
171 | case ACL_TYPE_ACCESS: | |
617ba13b MC |
172 | acl = ext4_iget_acl(inode, &ei->i_acl); |
173 | if (acl != EXT4_ACL_NOT_CACHED) | |
ac27a0ec | 174 | return acl; |
617ba13b | 175 | name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS; |
ac27a0ec DK |
176 | break; |
177 | ||
178 | case ACL_TYPE_DEFAULT: | |
617ba13b MC |
179 | acl = ext4_iget_acl(inode, &ei->i_default_acl); |
180 | if (acl != EXT4_ACL_NOT_CACHED) | |
ac27a0ec | 181 | return acl; |
617ba13b | 182 | name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT; |
ac27a0ec DK |
183 | break; |
184 | ||
185 | default: | |
186 | return ERR_PTR(-EINVAL); | |
187 | } | |
617ba13b | 188 | retval = ext4_xattr_get(inode, name_index, "", NULL, 0); |
ac27a0ec DK |
189 | if (retval > 0) { |
190 | value = kmalloc(retval, GFP_KERNEL); | |
191 | if (!value) | |
192 | return ERR_PTR(-ENOMEM); | |
617ba13b | 193 | retval = ext4_xattr_get(inode, name_index, "", value, retval); |
ac27a0ec DK |
194 | } |
195 | if (retval > 0) | |
617ba13b | 196 | acl = ext4_acl_from_disk(value, retval); |
ac27a0ec DK |
197 | else if (retval == -ENODATA || retval == -ENOSYS) |
198 | acl = NULL; | |
199 | else | |
200 | acl = ERR_PTR(retval); | |
201 | kfree(value); | |
202 | ||
203 | if (!IS_ERR(acl)) { | |
204 | switch(type) { | |
205 | case ACL_TYPE_ACCESS: | |
617ba13b | 206 | ext4_iset_acl(inode, &ei->i_acl, acl); |
ac27a0ec DK |
207 | break; |
208 | ||
209 | case ACL_TYPE_DEFAULT: | |
617ba13b | 210 | ext4_iset_acl(inode, &ei->i_default_acl, acl); |
ac27a0ec DK |
211 | break; |
212 | } | |
213 | } | |
214 | return acl; | |
215 | } | |
216 | ||
217 | /* | |
218 | * Set the access or default ACL of an inode. | |
219 | * | |
617ba13b | 220 | * inode->i_mutex: down unless called from ext4_new_inode |
ac27a0ec DK |
221 | */ |
222 | static int | |
617ba13b | 223 | ext4_set_acl(handle_t *handle, struct inode *inode, int type, |
ac27a0ec DK |
224 | struct posix_acl *acl) |
225 | { | |
617ba13b | 226 | struct ext4_inode_info *ei = EXT4_I(inode); |
ac27a0ec DK |
227 | int name_index; |
228 | void *value = NULL; | |
229 | size_t size = 0; | |
230 | int error; | |
231 | ||
232 | if (S_ISLNK(inode->i_mode)) | |
233 | return -EOPNOTSUPP; | |
234 | ||
235 | switch(type) { | |
236 | case ACL_TYPE_ACCESS: | |
617ba13b | 237 | name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS; |
ac27a0ec DK |
238 | if (acl) { |
239 | mode_t mode = inode->i_mode; | |
240 | error = posix_acl_equiv_mode(acl, &mode); | |
241 | if (error < 0) | |
242 | return error; | |
243 | else { | |
244 | inode->i_mode = mode; | |
617ba13b | 245 | ext4_mark_inode_dirty(handle, inode); |
ac27a0ec DK |
246 | if (error == 0) |
247 | acl = NULL; | |
248 | } | |
249 | } | |
250 | break; | |
251 | ||
252 | case ACL_TYPE_DEFAULT: | |
617ba13b | 253 | name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT; |
ac27a0ec DK |
254 | if (!S_ISDIR(inode->i_mode)) |
255 | return acl ? -EACCES : 0; | |
256 | break; | |
257 | ||
258 | default: | |
259 | return -EINVAL; | |
260 | } | |
261 | if (acl) { | |
617ba13b | 262 | value = ext4_acl_to_disk(acl, &size); |
ac27a0ec DK |
263 | if (IS_ERR(value)) |
264 | return (int)PTR_ERR(value); | |
265 | } | |
266 | ||
617ba13b | 267 | error = ext4_xattr_set_handle(handle, inode, name_index, "", |
ac27a0ec DK |
268 | value, size, 0); |
269 | ||
270 | kfree(value); | |
271 | if (!error) { | |
272 | switch(type) { | |
273 | case ACL_TYPE_ACCESS: | |
617ba13b | 274 | ext4_iset_acl(inode, &ei->i_acl, acl); |
ac27a0ec DK |
275 | break; |
276 | ||
277 | case ACL_TYPE_DEFAULT: | |
617ba13b | 278 | ext4_iset_acl(inode, &ei->i_default_acl, acl); |
ac27a0ec DK |
279 | break; |
280 | } | |
281 | } | |
282 | return error; | |
283 | } | |
284 | ||
285 | static int | |
617ba13b | 286 | ext4_check_acl(struct inode *inode, int mask) |
ac27a0ec | 287 | { |
617ba13b | 288 | struct posix_acl *acl = ext4_get_acl(inode, ACL_TYPE_ACCESS); |
ac27a0ec DK |
289 | |
290 | if (IS_ERR(acl)) | |
291 | return PTR_ERR(acl); | |
292 | if (acl) { | |
293 | int error = posix_acl_permission(inode, acl, mask); | |
294 | posix_acl_release(acl); | |
295 | return error; | |
296 | } | |
297 | ||
298 | return -EAGAIN; | |
299 | } | |
300 | ||
301 | int | |
617ba13b | 302 | ext4_permission(struct inode *inode, int mask, struct nameidata *nd) |
ac27a0ec | 303 | { |
617ba13b | 304 | return generic_permission(inode, mask, ext4_check_acl); |
ac27a0ec DK |
305 | } |
306 | ||
307 | /* | |
617ba13b | 308 | * Initialize the ACLs of a new inode. Called from ext4_new_inode. |
ac27a0ec DK |
309 | * |
310 | * dir->i_mutex: down | |
311 | * inode->i_mutex: up (access to inode is still exclusive) | |
312 | */ | |
313 | int | |
617ba13b | 314 | ext4_init_acl(handle_t *handle, struct inode *inode, struct inode *dir) |
ac27a0ec DK |
315 | { |
316 | struct posix_acl *acl = NULL; | |
317 | int error = 0; | |
318 | ||
319 | if (!S_ISLNK(inode->i_mode)) { | |
320 | if (test_opt(dir->i_sb, POSIX_ACL)) { | |
617ba13b | 321 | acl = ext4_get_acl(dir, ACL_TYPE_DEFAULT); |
ac27a0ec DK |
322 | if (IS_ERR(acl)) |
323 | return PTR_ERR(acl); | |
324 | } | |
325 | if (!acl) | |
326 | inode->i_mode &= ~current->fs->umask; | |
327 | } | |
328 | if (test_opt(inode->i_sb, POSIX_ACL) && acl) { | |
329 | struct posix_acl *clone; | |
330 | mode_t mode; | |
331 | ||
332 | if (S_ISDIR(inode->i_mode)) { | |
617ba13b | 333 | error = ext4_set_acl(handle, inode, |
ac27a0ec DK |
334 | ACL_TYPE_DEFAULT, acl); |
335 | if (error) | |
336 | goto cleanup; | |
337 | } | |
338 | clone = posix_acl_clone(acl, GFP_KERNEL); | |
339 | error = -ENOMEM; | |
340 | if (!clone) | |
341 | goto cleanup; | |
342 | ||
343 | mode = inode->i_mode; | |
344 | error = posix_acl_create_masq(clone, &mode); | |
345 | if (error >= 0) { | |
346 | inode->i_mode = mode; | |
347 | if (error > 0) { | |
348 | /* This is an extended ACL */ | |
617ba13b | 349 | error = ext4_set_acl(handle, inode, |
ac27a0ec DK |
350 | ACL_TYPE_ACCESS, clone); |
351 | } | |
352 | } | |
353 | posix_acl_release(clone); | |
354 | } | |
355 | cleanup: | |
356 | posix_acl_release(acl); | |
357 | return error; | |
358 | } | |
359 | ||
360 | /* | |
361 | * Does chmod for an inode that may have an Access Control List. The | |
362 | * inode->i_mode field must be updated to the desired value by the caller | |
363 | * before calling this function. | |
364 | * Returns 0 on success, or a negative error number. | |
365 | * | |
366 | * We change the ACL rather than storing some ACL entries in the file | |
367 | * mode permission bits (which would be more efficient), because that | |
368 | * would break once additional permissions (like ACL_APPEND, ACL_DELETE | |
369 | * for directories) are added. There are no more bits available in the | |
370 | * file mode. | |
371 | * | |
372 | * inode->i_mutex: down | |
373 | */ | |
374 | int | |
617ba13b | 375 | ext4_acl_chmod(struct inode *inode) |
ac27a0ec DK |
376 | { |
377 | struct posix_acl *acl, *clone; | |
63f57933 | 378 | int error; |
ac27a0ec DK |
379 | |
380 | if (S_ISLNK(inode->i_mode)) | |
381 | return -EOPNOTSUPP; | |
382 | if (!test_opt(inode->i_sb, POSIX_ACL)) | |
383 | return 0; | |
617ba13b | 384 | acl = ext4_get_acl(inode, ACL_TYPE_ACCESS); |
ac27a0ec DK |
385 | if (IS_ERR(acl) || !acl) |
386 | return PTR_ERR(acl); | |
387 | clone = posix_acl_clone(acl, GFP_KERNEL); | |
388 | posix_acl_release(acl); | |
389 | if (!clone) | |
390 | return -ENOMEM; | |
391 | error = posix_acl_chmod_masq(clone, inode->i_mode); | |
392 | if (!error) { | |
393 | handle_t *handle; | |
394 | int retries = 0; | |
395 | ||
396 | retry: | |
617ba13b MC |
397 | handle = ext4_journal_start(inode, |
398 | EXT4_DATA_TRANS_BLOCKS(inode->i_sb)); | |
ac27a0ec DK |
399 | if (IS_ERR(handle)) { |
400 | error = PTR_ERR(handle); | |
617ba13b | 401 | ext4_std_error(inode->i_sb, error); |
ac27a0ec DK |
402 | goto out; |
403 | } | |
617ba13b MC |
404 | error = ext4_set_acl(handle, inode, ACL_TYPE_ACCESS, clone); |
405 | ext4_journal_stop(handle); | |
ac27a0ec | 406 | if (error == -ENOSPC && |
617ba13b | 407 | ext4_should_retry_alloc(inode->i_sb, &retries)) |
ac27a0ec DK |
408 | goto retry; |
409 | } | |
410 | out: | |
411 | posix_acl_release(clone); | |
412 | return error; | |
413 | } | |
414 | ||
415 | /* | |
416 | * Extended attribute handlers | |
417 | */ | |
418 | static size_t | |
617ba13b | 419 | ext4_xattr_list_acl_access(struct inode *inode, char *list, size_t list_len, |
ac27a0ec DK |
420 | const char *name, size_t name_len) |
421 | { | |
422 | const size_t size = sizeof(POSIX_ACL_XATTR_ACCESS); | |
423 | ||
424 | if (!test_opt(inode->i_sb, POSIX_ACL)) | |
425 | return 0; | |
426 | if (list && size <= list_len) | |
427 | memcpy(list, POSIX_ACL_XATTR_ACCESS, size); | |
428 | return size; | |
429 | } | |
430 | ||
431 | static size_t | |
617ba13b | 432 | ext4_xattr_list_acl_default(struct inode *inode, char *list, size_t list_len, |
ac27a0ec DK |
433 | const char *name, size_t name_len) |
434 | { | |
435 | const size_t size = sizeof(POSIX_ACL_XATTR_DEFAULT); | |
436 | ||
437 | if (!test_opt(inode->i_sb, POSIX_ACL)) | |
438 | return 0; | |
439 | if (list && size <= list_len) | |
440 | memcpy(list, POSIX_ACL_XATTR_DEFAULT, size); | |
441 | return size; | |
442 | } | |
443 | ||
444 | static int | |
617ba13b | 445 | ext4_xattr_get_acl(struct inode *inode, int type, void *buffer, size_t size) |
ac27a0ec DK |
446 | { |
447 | struct posix_acl *acl; | |
448 | int error; | |
449 | ||
450 | if (!test_opt(inode->i_sb, POSIX_ACL)) | |
451 | return -EOPNOTSUPP; | |
452 | ||
617ba13b | 453 | acl = ext4_get_acl(inode, type); |
ac27a0ec DK |
454 | if (IS_ERR(acl)) |
455 | return PTR_ERR(acl); | |
456 | if (acl == NULL) | |
457 | return -ENODATA; | |
458 | error = posix_acl_to_xattr(acl, buffer, size); | |
459 | posix_acl_release(acl); | |
460 | ||
461 | return error; | |
462 | } | |
463 | ||
464 | static int | |
617ba13b | 465 | ext4_xattr_get_acl_access(struct inode *inode, const char *name, |
ac27a0ec DK |
466 | void *buffer, size_t size) |
467 | { | |
468 | if (strcmp(name, "") != 0) | |
469 | return -EINVAL; | |
617ba13b | 470 | return ext4_xattr_get_acl(inode, ACL_TYPE_ACCESS, buffer, size); |
ac27a0ec DK |
471 | } |
472 | ||
473 | static int | |
617ba13b | 474 | ext4_xattr_get_acl_default(struct inode *inode, const char *name, |
ac27a0ec DK |
475 | void *buffer, size_t size) |
476 | { | |
477 | if (strcmp(name, "") != 0) | |
478 | return -EINVAL; | |
617ba13b | 479 | return ext4_xattr_get_acl(inode, ACL_TYPE_DEFAULT, buffer, size); |
ac27a0ec DK |
480 | } |
481 | ||
482 | static int | |
617ba13b | 483 | ext4_xattr_set_acl(struct inode *inode, int type, const void *value, |
ac27a0ec DK |
484 | size_t size) |
485 | { | |
486 | handle_t *handle; | |
487 | struct posix_acl *acl; | |
488 | int error, retries = 0; | |
489 | ||
490 | if (!test_opt(inode->i_sb, POSIX_ACL)) | |
491 | return -EOPNOTSUPP; | |
3bd858ab | 492 | if (!is_owner_or_cap(inode)) |
ac27a0ec DK |
493 | return -EPERM; |
494 | ||
495 | if (value) { | |
496 | acl = posix_acl_from_xattr(value, size); | |
497 | if (IS_ERR(acl)) | |
498 | return PTR_ERR(acl); | |
499 | else if (acl) { | |
500 | error = posix_acl_valid(acl); | |
501 | if (error) | |
502 | goto release_and_out; | |
503 | } | |
504 | } else | |
505 | acl = NULL; | |
506 | ||
507 | retry: | |
617ba13b | 508 | handle = ext4_journal_start(inode, EXT4_DATA_TRANS_BLOCKS(inode->i_sb)); |
ac27a0ec DK |
509 | if (IS_ERR(handle)) |
510 | return PTR_ERR(handle); | |
617ba13b MC |
511 | error = ext4_set_acl(handle, inode, type, acl); |
512 | ext4_journal_stop(handle); | |
513 | if (error == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) | |
ac27a0ec DK |
514 | goto retry; |
515 | ||
516 | release_and_out: | |
517 | posix_acl_release(acl); | |
518 | return error; | |
519 | } | |
520 | ||
521 | static int | |
617ba13b | 522 | ext4_xattr_set_acl_access(struct inode *inode, const char *name, |
ac27a0ec DK |
523 | const void *value, size_t size, int flags) |
524 | { | |
525 | if (strcmp(name, "") != 0) | |
526 | return -EINVAL; | |
617ba13b | 527 | return ext4_xattr_set_acl(inode, ACL_TYPE_ACCESS, value, size); |
ac27a0ec DK |
528 | } |
529 | ||
530 | static int | |
617ba13b | 531 | ext4_xattr_set_acl_default(struct inode *inode, const char *name, |
ac27a0ec DK |
532 | const void *value, size_t size, int flags) |
533 | { | |
534 | if (strcmp(name, "") != 0) | |
535 | return -EINVAL; | |
617ba13b | 536 | return ext4_xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size); |
ac27a0ec DK |
537 | } |
538 | ||
617ba13b | 539 | struct xattr_handler ext4_xattr_acl_access_handler = { |
ac27a0ec | 540 | .prefix = POSIX_ACL_XATTR_ACCESS, |
617ba13b MC |
541 | .list = ext4_xattr_list_acl_access, |
542 | .get = ext4_xattr_get_acl_access, | |
543 | .set = ext4_xattr_set_acl_access, | |
ac27a0ec DK |
544 | }; |
545 | ||
617ba13b | 546 | struct xattr_handler ext4_xattr_acl_default_handler = { |
ac27a0ec | 547 | .prefix = POSIX_ACL_XATTR_DEFAULT, |
617ba13b MC |
548 | .list = ext4_xattr_list_acl_default, |
549 | .get = ext4_xattr_get_acl_default, | |
550 | .set = ext4_xattr_set_acl_default, | |
ac27a0ec | 551 | }; |