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> | |
3dcf5451 CH |
12 | #include "ext4_jbd2.h" |
13 | #include "ext4.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; | |
216553c4 | 40 | acl = posix_acl_alloc(count, GFP_NOFS); |
ac27a0ec DK |
41 | if (!acl) |
42 | return ERR_PTR(-ENOMEM); | |
2b2d6d01 | 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); | |
2b2d6d01 TT |
50 | |
51 | switch (acl->a_entries[n].e_tag) { | |
52 | case ACL_USER_OBJ: | |
53 | case ACL_GROUP_OBJ: | |
54 | case ACL_MASK: | |
55 | case ACL_OTHER: | |
56 | value = (char *)value + | |
57 | sizeof(ext4_acl_entry_short); | |
58 | acl->a_entries[n].e_id = ACL_UNDEFINED_ID; | |
59 | break; | |
60 | ||
61 | case ACL_USER: | |
62 | case ACL_GROUP: | |
63 | value = (char *)value + sizeof(ext4_acl_entry); | |
64 | if ((char *)value > end) | |
ac27a0ec | 65 | goto fail; |
2b2d6d01 TT |
66 | acl->a_entries[n].e_id = |
67 | le32_to_cpu(entry->e_id); | |
68 | break; | |
69 | ||
70 | default: | |
71 | goto fail; | |
ac27a0ec DK |
72 | } |
73 | } | |
74 | if (value != end) | |
75 | goto fail; | |
76 | return acl; | |
77 | ||
78 | fail: | |
79 | posix_acl_release(acl); | |
80 | return ERR_PTR(-EINVAL); | |
81 | } | |
82 | ||
83 | /* | |
84 | * Convert from in-memory to filesystem representation. | |
85 | */ | |
86 | static void * | |
617ba13b | 87 | ext4_acl_to_disk(const struct posix_acl *acl, size_t *size) |
ac27a0ec | 88 | { |
617ba13b | 89 | ext4_acl_header *ext_acl; |
ac27a0ec DK |
90 | char *e; |
91 | size_t n; | |
92 | ||
617ba13b MC |
93 | *size = ext4_acl_size(acl->a_count); |
94 | ext_acl = kmalloc(sizeof(ext4_acl_header) + acl->a_count * | |
216553c4 | 95 | sizeof(ext4_acl_entry), GFP_NOFS); |
ac27a0ec DK |
96 | if (!ext_acl) |
97 | return ERR_PTR(-ENOMEM); | |
617ba13b MC |
98 | ext_acl->a_version = cpu_to_le32(EXT4_ACL_VERSION); |
99 | e = (char *)ext_acl + sizeof(ext4_acl_header); | |
2b2d6d01 | 100 | for (n = 0; n < acl->a_count; n++) { |
617ba13b | 101 | ext4_acl_entry *entry = (ext4_acl_entry *)e; |
ac27a0ec DK |
102 | entry->e_tag = cpu_to_le16(acl->a_entries[n].e_tag); |
103 | entry->e_perm = cpu_to_le16(acl->a_entries[n].e_perm); | |
2b2d6d01 TT |
104 | switch (acl->a_entries[n].e_tag) { |
105 | case ACL_USER: | |
106 | case ACL_GROUP: | |
107 | entry->e_id = cpu_to_le32(acl->a_entries[n].e_id); | |
108 | e += sizeof(ext4_acl_entry); | |
109 | break; | |
110 | ||
111 | case ACL_USER_OBJ: | |
112 | case ACL_GROUP_OBJ: | |
113 | case ACL_MASK: | |
114 | case ACL_OTHER: | |
115 | e += sizeof(ext4_acl_entry_short); | |
116 | break; | |
117 | ||
118 | default: | |
119 | goto fail; | |
ac27a0ec DK |
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 | { |
210ad6ae TT |
132 | struct posix_acl *acl = ACCESS_ONCE(*i_acl); |
133 | ||
134 | if (acl) { | |
135 | spin_lock(&inode->i_lock); | |
136 | acl = *i_acl; | |
137 | if (acl != EXT4_ACL_NOT_CACHED) | |
138 | acl = posix_acl_dup(acl); | |
139 | spin_unlock(&inode->i_lock); | |
140 | } | |
ac27a0ec DK |
141 | |
142 | return acl; | |
143 | } | |
144 | ||
145 | static inline void | |
617ba13b | 146 | ext4_iset_acl(struct inode *inode, struct posix_acl **i_acl, |
63f57933 | 147 | struct posix_acl *acl) |
ac27a0ec DK |
148 | { |
149 | spin_lock(&inode->i_lock); | |
617ba13b | 150 | if (*i_acl != EXT4_ACL_NOT_CACHED) |
ac27a0ec DK |
151 | posix_acl_release(*i_acl); |
152 | *i_acl = posix_acl_dup(acl); | |
153 | spin_unlock(&inode->i_lock); | |
154 | } | |
155 | ||
156 | /* | |
157 | * Inode operation get_posix_acl(). | |
158 | * | |
159 | * inode->i_mutex: don't care | |
160 | */ | |
161 | static struct posix_acl * | |
617ba13b | 162 | ext4_get_acl(struct inode *inode, int type) |
ac27a0ec | 163 | { |
617ba13b | 164 | struct ext4_inode_info *ei = EXT4_I(inode); |
ac27a0ec DK |
165 | int name_index; |
166 | char *value = NULL; | |
167 | struct posix_acl *acl; | |
168 | int retval; | |
169 | ||
170 | if (!test_opt(inode->i_sb, POSIX_ACL)) | |
171 | return NULL; | |
172 | ||
2b2d6d01 TT |
173 | switch (type) { |
174 | case ACL_TYPE_ACCESS: | |
175 | acl = ext4_iget_acl(inode, &ei->i_acl); | |
176 | if (acl != EXT4_ACL_NOT_CACHED) | |
177 | return acl; | |
178 | name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS; | |
179 | break; | |
180 | ||
181 | case ACL_TYPE_DEFAULT: | |
182 | acl = ext4_iget_acl(inode, &ei->i_default_acl); | |
183 | if (acl != EXT4_ACL_NOT_CACHED) | |
184 | return acl; | |
185 | name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT; | |
186 | break; | |
187 | ||
188 | default: | |
189 | return ERR_PTR(-EINVAL); | |
ac27a0ec | 190 | } |
617ba13b | 191 | retval = ext4_xattr_get(inode, name_index, "", NULL, 0); |
ac27a0ec | 192 | if (retval > 0) { |
216553c4 | 193 | value = kmalloc(retval, GFP_NOFS); |
ac27a0ec DK |
194 | if (!value) |
195 | return ERR_PTR(-ENOMEM); | |
617ba13b | 196 | retval = ext4_xattr_get(inode, name_index, "", value, retval); |
ac27a0ec DK |
197 | } |
198 | if (retval > 0) | |
617ba13b | 199 | acl = ext4_acl_from_disk(value, retval); |
ac27a0ec DK |
200 | else if (retval == -ENODATA || retval == -ENOSYS) |
201 | acl = NULL; | |
202 | else | |
203 | acl = ERR_PTR(retval); | |
204 | kfree(value); | |
205 | ||
206 | if (!IS_ERR(acl)) { | |
2b2d6d01 TT |
207 | switch (type) { |
208 | case ACL_TYPE_ACCESS: | |
209 | ext4_iset_acl(inode, &ei->i_acl, acl); | |
210 | break; | |
211 | ||
212 | case ACL_TYPE_DEFAULT: | |
213 | ext4_iset_acl(inode, &ei->i_default_acl, acl); | |
214 | break; | |
ac27a0ec DK |
215 | } |
216 | } | |
217 | return acl; | |
218 | } | |
219 | ||
220 | /* | |
221 | * Set the access or default ACL of an inode. | |
222 | * | |
617ba13b | 223 | * inode->i_mutex: down unless called from ext4_new_inode |
ac27a0ec DK |
224 | */ |
225 | static int | |
617ba13b | 226 | ext4_set_acl(handle_t *handle, struct inode *inode, int type, |
ac27a0ec DK |
227 | struct posix_acl *acl) |
228 | { | |
617ba13b | 229 | struct ext4_inode_info *ei = EXT4_I(inode); |
ac27a0ec DK |
230 | int name_index; |
231 | void *value = NULL; | |
232 | size_t size = 0; | |
233 | int error; | |
234 | ||
235 | if (S_ISLNK(inode->i_mode)) | |
236 | return -EOPNOTSUPP; | |
237 | ||
2b2d6d01 TT |
238 | switch (type) { |
239 | case ACL_TYPE_ACCESS: | |
240 | name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS; | |
241 | if (acl) { | |
242 | mode_t mode = inode->i_mode; | |
243 | error = posix_acl_equiv_mode(acl, &mode); | |
244 | if (error < 0) | |
245 | return error; | |
246 | else { | |
247 | inode->i_mode = mode; | |
248 | ext4_mark_inode_dirty(handle, inode); | |
249 | if (error == 0) | |
250 | acl = NULL; | |
ac27a0ec | 251 | } |
2b2d6d01 TT |
252 | } |
253 | break; | |
ac27a0ec | 254 | |
2b2d6d01 TT |
255 | case ACL_TYPE_DEFAULT: |
256 | name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT; | |
257 | if (!S_ISDIR(inode->i_mode)) | |
258 | return acl ? -EACCES : 0; | |
259 | break; | |
ac27a0ec | 260 | |
2b2d6d01 TT |
261 | default: |
262 | return -EINVAL; | |
ac27a0ec DK |
263 | } |
264 | if (acl) { | |
617ba13b | 265 | value = ext4_acl_to_disk(acl, &size); |
ac27a0ec DK |
266 | if (IS_ERR(value)) |
267 | return (int)PTR_ERR(value); | |
268 | } | |
269 | ||
617ba13b | 270 | error = ext4_xattr_set_handle(handle, inode, name_index, "", |
ac27a0ec DK |
271 | value, size, 0); |
272 | ||
273 | kfree(value); | |
274 | if (!error) { | |
2b2d6d01 TT |
275 | switch (type) { |
276 | case ACL_TYPE_ACCESS: | |
277 | ext4_iset_acl(inode, &ei->i_acl, acl); | |
278 | break; | |
279 | ||
280 | case ACL_TYPE_DEFAULT: | |
281 | ext4_iset_acl(inode, &ei->i_default_acl, acl); | |
282 | break; | |
ac27a0ec DK |
283 | } |
284 | } | |
285 | return error; | |
286 | } | |
287 | ||
288 | static int | |
617ba13b | 289 | ext4_check_acl(struct inode *inode, int mask) |
ac27a0ec | 290 | { |
617ba13b | 291 | struct posix_acl *acl = ext4_get_acl(inode, ACL_TYPE_ACCESS); |
ac27a0ec DK |
292 | |
293 | if (IS_ERR(acl)) | |
294 | return PTR_ERR(acl); | |
295 | if (acl) { | |
296 | int error = posix_acl_permission(inode, acl, mask); | |
297 | posix_acl_release(acl); | |
298 | return error; | |
299 | } | |
300 | ||
301 | return -EAGAIN; | |
302 | } | |
303 | ||
304 | int | |
e6305c43 | 305 | ext4_permission(struct inode *inode, int mask) |
ac27a0ec | 306 | { |
617ba13b | 307 | return generic_permission(inode, mask, ext4_check_acl); |
ac27a0ec DK |
308 | } |
309 | ||
310 | /* | |
617ba13b | 311 | * Initialize the ACLs of a new inode. Called from ext4_new_inode. |
ac27a0ec DK |
312 | * |
313 | * dir->i_mutex: down | |
314 | * inode->i_mutex: up (access to inode is still exclusive) | |
315 | */ | |
316 | int | |
617ba13b | 317 | ext4_init_acl(handle_t *handle, struct inode *inode, struct inode *dir) |
ac27a0ec DK |
318 | { |
319 | struct posix_acl *acl = NULL; | |
320 | int error = 0; | |
321 | ||
322 | if (!S_ISLNK(inode->i_mode)) { | |
323 | if (test_opt(dir->i_sb, POSIX_ACL)) { | |
617ba13b | 324 | acl = ext4_get_acl(dir, ACL_TYPE_DEFAULT); |
ac27a0ec DK |
325 | if (IS_ERR(acl)) |
326 | return PTR_ERR(acl); | |
327 | } | |
328 | if (!acl) | |
ce3b0f8d | 329 | inode->i_mode &= ~current_umask(); |
ac27a0ec DK |
330 | } |
331 | if (test_opt(inode->i_sb, POSIX_ACL) && acl) { | |
332 | struct posix_acl *clone; | |
333 | mode_t mode; | |
334 | ||
335 | if (S_ISDIR(inode->i_mode)) { | |
617ba13b | 336 | error = ext4_set_acl(handle, inode, |
ac27a0ec DK |
337 | ACL_TYPE_DEFAULT, acl); |
338 | if (error) | |
339 | goto cleanup; | |
340 | } | |
216553c4 | 341 | clone = posix_acl_clone(acl, GFP_NOFS); |
ac27a0ec DK |
342 | error = -ENOMEM; |
343 | if (!clone) | |
344 | goto cleanup; | |
345 | ||
346 | mode = inode->i_mode; | |
347 | error = posix_acl_create_masq(clone, &mode); | |
348 | if (error >= 0) { | |
349 | inode->i_mode = mode; | |
350 | if (error > 0) { | |
351 | /* This is an extended ACL */ | |
617ba13b | 352 | error = ext4_set_acl(handle, inode, |
ac27a0ec DK |
353 | ACL_TYPE_ACCESS, clone); |
354 | } | |
355 | } | |
356 | posix_acl_release(clone); | |
357 | } | |
358 | cleanup: | |
359 | posix_acl_release(acl); | |
360 | return error; | |
361 | } | |
362 | ||
363 | /* | |
364 | * Does chmod for an inode that may have an Access Control List. The | |
365 | * inode->i_mode field must be updated to the desired value by the caller | |
366 | * before calling this function. | |
367 | * Returns 0 on success, or a negative error number. | |
368 | * | |
369 | * We change the ACL rather than storing some ACL entries in the file | |
370 | * mode permission bits (which would be more efficient), because that | |
371 | * would break once additional permissions (like ACL_APPEND, ACL_DELETE | |
372 | * for directories) are added. There are no more bits available in the | |
373 | * file mode. | |
374 | * | |
375 | * inode->i_mutex: down | |
376 | */ | |
377 | int | |
617ba13b | 378 | ext4_acl_chmod(struct inode *inode) |
ac27a0ec DK |
379 | { |
380 | struct posix_acl *acl, *clone; | |
63f57933 | 381 | int error; |
ac27a0ec DK |
382 | |
383 | if (S_ISLNK(inode->i_mode)) | |
384 | return -EOPNOTSUPP; | |
385 | if (!test_opt(inode->i_sb, POSIX_ACL)) | |
386 | return 0; | |
617ba13b | 387 | acl = ext4_get_acl(inode, ACL_TYPE_ACCESS); |
ac27a0ec DK |
388 | if (IS_ERR(acl) || !acl) |
389 | return PTR_ERR(acl); | |
390 | clone = posix_acl_clone(acl, GFP_KERNEL); | |
391 | posix_acl_release(acl); | |
392 | if (!clone) | |
393 | return -ENOMEM; | |
394 | error = posix_acl_chmod_masq(clone, inode->i_mode); | |
395 | if (!error) { | |
396 | handle_t *handle; | |
397 | int retries = 0; | |
398 | ||
399 | retry: | |
617ba13b MC |
400 | handle = ext4_journal_start(inode, |
401 | EXT4_DATA_TRANS_BLOCKS(inode->i_sb)); | |
ac27a0ec DK |
402 | if (IS_ERR(handle)) { |
403 | error = PTR_ERR(handle); | |
617ba13b | 404 | ext4_std_error(inode->i_sb, error); |
ac27a0ec DK |
405 | goto out; |
406 | } | |
617ba13b MC |
407 | error = ext4_set_acl(handle, inode, ACL_TYPE_ACCESS, clone); |
408 | ext4_journal_stop(handle); | |
ac27a0ec | 409 | if (error == -ENOSPC && |
617ba13b | 410 | ext4_should_retry_alloc(inode->i_sb, &retries)) |
ac27a0ec DK |
411 | goto retry; |
412 | } | |
413 | out: | |
414 | posix_acl_release(clone); | |
415 | return error; | |
416 | } | |
417 | ||
418 | /* | |
419 | * Extended attribute handlers | |
420 | */ | |
421 | static size_t | |
617ba13b | 422 | ext4_xattr_list_acl_access(struct inode *inode, char *list, size_t list_len, |
ac27a0ec DK |
423 | const char *name, size_t name_len) |
424 | { | |
425 | const size_t size = sizeof(POSIX_ACL_XATTR_ACCESS); | |
426 | ||
427 | if (!test_opt(inode->i_sb, POSIX_ACL)) | |
428 | return 0; | |
429 | if (list && size <= list_len) | |
430 | memcpy(list, POSIX_ACL_XATTR_ACCESS, size); | |
431 | return size; | |
432 | } | |
433 | ||
434 | static size_t | |
617ba13b | 435 | ext4_xattr_list_acl_default(struct inode *inode, char *list, size_t list_len, |
ac27a0ec DK |
436 | const char *name, size_t name_len) |
437 | { | |
438 | const size_t size = sizeof(POSIX_ACL_XATTR_DEFAULT); | |
439 | ||
440 | if (!test_opt(inode->i_sb, POSIX_ACL)) | |
441 | return 0; | |
442 | if (list && size <= list_len) | |
443 | memcpy(list, POSIX_ACL_XATTR_DEFAULT, size); | |
444 | return size; | |
445 | } | |
446 | ||
447 | static int | |
617ba13b | 448 | ext4_xattr_get_acl(struct inode *inode, int type, void *buffer, size_t size) |
ac27a0ec DK |
449 | { |
450 | struct posix_acl *acl; | |
451 | int error; | |
452 | ||
453 | if (!test_opt(inode->i_sb, POSIX_ACL)) | |
454 | return -EOPNOTSUPP; | |
455 | ||
617ba13b | 456 | acl = ext4_get_acl(inode, type); |
ac27a0ec DK |
457 | if (IS_ERR(acl)) |
458 | return PTR_ERR(acl); | |
459 | if (acl == NULL) | |
460 | return -ENODATA; | |
461 | error = posix_acl_to_xattr(acl, buffer, size); | |
462 | posix_acl_release(acl); | |
463 | ||
464 | return error; | |
465 | } | |
466 | ||
467 | static int | |
617ba13b | 468 | ext4_xattr_get_acl_access(struct inode *inode, const char *name, |
ac27a0ec DK |
469 | void *buffer, size_t size) |
470 | { | |
471 | if (strcmp(name, "") != 0) | |
472 | return -EINVAL; | |
617ba13b | 473 | return ext4_xattr_get_acl(inode, ACL_TYPE_ACCESS, buffer, size); |
ac27a0ec DK |
474 | } |
475 | ||
476 | static int | |
617ba13b | 477 | ext4_xattr_get_acl_default(struct inode *inode, const char *name, |
ac27a0ec DK |
478 | void *buffer, size_t size) |
479 | { | |
480 | if (strcmp(name, "") != 0) | |
481 | return -EINVAL; | |
617ba13b | 482 | return ext4_xattr_get_acl(inode, ACL_TYPE_DEFAULT, buffer, size); |
ac27a0ec DK |
483 | } |
484 | ||
485 | static int | |
617ba13b | 486 | ext4_xattr_set_acl(struct inode *inode, int type, const void *value, |
ac27a0ec DK |
487 | size_t size) |
488 | { | |
489 | handle_t *handle; | |
490 | struct posix_acl *acl; | |
491 | int error, retries = 0; | |
492 | ||
493 | if (!test_opt(inode->i_sb, POSIX_ACL)) | |
494 | return -EOPNOTSUPP; | |
3bd858ab | 495 | if (!is_owner_or_cap(inode)) |
ac27a0ec DK |
496 | return -EPERM; |
497 | ||
498 | if (value) { | |
499 | acl = posix_acl_from_xattr(value, size); | |
500 | if (IS_ERR(acl)) | |
501 | return PTR_ERR(acl); | |
502 | else if (acl) { | |
503 | error = posix_acl_valid(acl); | |
504 | if (error) | |
505 | goto release_and_out; | |
506 | } | |
507 | } else | |
508 | acl = NULL; | |
509 | ||
510 | retry: | |
617ba13b | 511 | handle = ext4_journal_start(inode, EXT4_DATA_TRANS_BLOCKS(inode->i_sb)); |
ac27a0ec DK |
512 | if (IS_ERR(handle)) |
513 | return PTR_ERR(handle); | |
617ba13b MC |
514 | error = ext4_set_acl(handle, inode, type, acl); |
515 | ext4_journal_stop(handle); | |
516 | if (error == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) | |
ac27a0ec DK |
517 | goto retry; |
518 | ||
519 | release_and_out: | |
520 | posix_acl_release(acl); | |
521 | return error; | |
522 | } | |
523 | ||
524 | static int | |
617ba13b | 525 | ext4_xattr_set_acl_access(struct inode *inode, const char *name, |
ac27a0ec DK |
526 | const void *value, size_t size, int flags) |
527 | { | |
528 | if (strcmp(name, "") != 0) | |
529 | return -EINVAL; | |
617ba13b | 530 | return ext4_xattr_set_acl(inode, ACL_TYPE_ACCESS, value, size); |
ac27a0ec DK |
531 | } |
532 | ||
533 | static int | |
617ba13b | 534 | ext4_xattr_set_acl_default(struct inode *inode, const char *name, |
ac27a0ec DK |
535 | const void *value, size_t size, int flags) |
536 | { | |
537 | if (strcmp(name, "") != 0) | |
538 | return -EINVAL; | |
617ba13b | 539 | return ext4_xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size); |
ac27a0ec DK |
540 | } |
541 | ||
617ba13b | 542 | struct xattr_handler ext4_xattr_acl_access_handler = { |
ac27a0ec | 543 | .prefix = POSIX_ACL_XATTR_ACCESS, |
617ba13b MC |
544 | .list = ext4_xattr_list_acl_access, |
545 | .get = ext4_xattr_get_acl_access, | |
546 | .set = ext4_xattr_set_acl_access, | |
ac27a0ec DK |
547 | }; |
548 | ||
617ba13b | 549 | struct xattr_handler ext4_xattr_acl_default_handler = { |
ac27a0ec | 550 | .prefix = POSIX_ACL_XATTR_DEFAULT, |
617ba13b MC |
551 | .list = ext4_xattr_list_acl_default, |
552 | .get = ext4_xattr_get_acl_default, | |
553 | .set = ext4_xattr_set_acl_default, | |
ac27a0ec | 554 | }; |