Commit | Line | Data |
---|---|---|
1182fca3 MM |
1 | /* |
2 | * (C) 2001 Clemson University and The University of Chicago | |
3 | * | |
4 | * See COPYING in top-level directory. | |
5 | */ | |
6 | ||
7 | /* | |
8 | * Linux VFS extended attribute operations. | |
9 | */ | |
10 | ||
11 | #include "protocol.h" | |
575e9461 MM |
12 | #include "orangefs-kernel.h" |
13 | #include "orangefs-bufmap.h" | |
1182fca3 MM |
14 | #include <linux/posix_acl_xattr.h> |
15 | #include <linux/xattr.h> | |
16 | ||
17 | ||
8bb8aefd YL |
18 | #define SYSTEM_ORANGEFS_KEY "system.pvfs2." |
19 | #define SYSTEM_ORANGEFS_KEY_LEN 13 | |
1182fca3 MM |
20 | |
21 | /* | |
22 | * this function returns | |
23 | * 0 if the key corresponding to name is not meant to be printed as part | |
24 | * of a listxattr. | |
25 | * 1 if the key corresponding to name is meant to be returned as part of | |
26 | * a listxattr. | |
8bb8aefd | 27 | * The ones that start SYSTEM_ORANGEFS_KEY are the ones to avoid printing. |
1182fca3 MM |
28 | */ |
29 | static int is_reserved_key(const char *key, size_t size) | |
30 | { | |
31 | ||
8bb8aefd | 32 | if (size < SYSTEM_ORANGEFS_KEY_LEN) |
1182fca3 MM |
33 | return 1; |
34 | ||
8bb8aefd | 35 | return strncmp(key, SYSTEM_ORANGEFS_KEY, SYSTEM_ORANGEFS_KEY_LEN) ? 1 : 0; |
1182fca3 MM |
36 | } |
37 | ||
38 | static inline int convert_to_internal_xattr_flags(int setxattr_flags) | |
39 | { | |
40 | int internal_flag = 0; | |
41 | ||
42 | if (setxattr_flags & XATTR_REPLACE) { | |
43 | /* Attribute must exist! */ | |
8bb8aefd | 44 | internal_flag = ORANGEFS_XATTR_REPLACE; |
1182fca3 MM |
45 | } else if (setxattr_flags & XATTR_CREATE) { |
46 | /* Attribute must not exist */ | |
8bb8aefd | 47 | internal_flag = ORANGEFS_XATTR_CREATE; |
1182fca3 MM |
48 | } |
49 | return internal_flag; | |
50 | } | |
51 | ||
52 | ||
53 | /* | |
54 | * Tries to get a specified key's attributes of a given | |
55 | * file into a user-specified buffer. Note that the getxattr | |
56 | * interface allows for the users to probe the size of an | |
57 | * extended attribute by passing in a value of 0 to size. | |
58 | * Thus our return value is always the size of the attribute | |
59 | * unless the key does not exist for the file and/or if | |
60 | * there were errors in fetching the attribute value. | |
61 | */ | |
8bb8aefd | 62 | ssize_t orangefs_inode_getxattr(struct inode *inode, const char *prefix, |
1182fca3 MM |
63 | const char *name, void *buffer, size_t size) |
64 | { | |
8bb8aefd YL |
65 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
66 | struct orangefs_kernel_op_s *new_op = NULL; | |
1182fca3 MM |
67 | ssize_t ret = -ENOMEM; |
68 | ssize_t length = 0; | |
69 | int fsuid; | |
70 | int fsgid; | |
71 | ||
72 | gossip_debug(GOSSIP_XATTR_DEBUG, | |
73 | "%s: prefix %s name %s, buffer_size %zd\n", | |
74 | __func__, prefix, name, size); | |
75 | ||
8bb8aefd | 76 | if ((strlen(name) + strlen(prefix)) >= ORANGEFS_MAX_XATTR_NAMELEN) { |
eeaa3d44 | 77 | gossip_err("Invalid key length (%d)\n", |
1182fca3 MM |
78 | (int)(strlen(name) + strlen(prefix))); |
79 | return -EINVAL; | |
80 | } | |
81 | ||
82 | fsuid = from_kuid(current_user_ns(), current_fsuid()); | |
83 | fsgid = from_kgid(current_user_ns(), current_fsgid()); | |
84 | ||
85 | gossip_debug(GOSSIP_XATTR_DEBUG, | |
86 | "getxattr on inode %pU, name %s " | |
87 | "(uid %o, gid %o)\n", | |
88 | get_khandle_from_ino(inode), | |
89 | name, | |
90 | fsuid, | |
91 | fsgid); | |
92 | ||
8bb8aefd | 93 | down_read(&orangefs_inode->xattr_sem); |
1182fca3 | 94 | |
8bb8aefd | 95 | new_op = op_alloc(ORANGEFS_VFS_OP_GETXATTR); |
1182fca3 MM |
96 | if (!new_op) |
97 | goto out_unlock; | |
98 | ||
8bb8aefd | 99 | new_op->upcall.req.getxattr.refn = orangefs_inode->refn; |
1182fca3 | 100 | ret = snprintf((char *)new_op->upcall.req.getxattr.key, |
8bb8aefd | 101 | ORANGEFS_MAX_XATTR_NAMELEN, "%s%s", prefix, name); |
1182fca3 MM |
102 | |
103 | /* | |
104 | * NOTE: Although keys are meant to be NULL terminated textual | |
105 | * strings, I am going to explicitly pass the length just in case | |
106 | * we change this later on... | |
107 | */ | |
108 | new_op->upcall.req.getxattr.key_sz = ret + 1; | |
109 | ||
8bb8aefd | 110 | ret = service_operation(new_op, "orangefs_inode_getxattr", |
1182fca3 MM |
111 | get_interruptible_flag(inode)); |
112 | if (ret != 0) { | |
113 | if (ret == -ENOENT) { | |
114 | ret = -ENODATA; | |
115 | gossip_debug(GOSSIP_XATTR_DEBUG, | |
8bb8aefd | 116 | "orangefs_inode_getxattr: inode %pU key %s" |
1182fca3 MM |
117 | " does not exist!\n", |
118 | get_khandle_from_ino(inode), | |
119 | (char *)new_op->upcall.req.getxattr.key); | |
120 | } | |
121 | goto out_release_op; | |
122 | } | |
123 | ||
124 | /* | |
125 | * Length returned includes null terminator. | |
126 | */ | |
127 | length = new_op->downcall.resp.getxattr.val_sz; | |
128 | ||
129 | /* | |
130 | * Just return the length of the queried attribute. | |
131 | */ | |
132 | if (size == 0) { | |
133 | ret = length; | |
134 | goto out_release_op; | |
135 | } | |
136 | ||
137 | /* | |
138 | * Check to see if key length is > provided buffer size. | |
139 | */ | |
140 | if (length > size) { | |
141 | ret = -ERANGE; | |
142 | goto out_release_op; | |
143 | } | |
144 | ||
1182fca3 | 145 | memcpy(buffer, new_op->downcall.resp.getxattr.val, length); |
a9bb3ba8 | 146 | memset(buffer + length, 0, size - length); |
1182fca3 | 147 | gossip_debug(GOSSIP_XATTR_DEBUG, |
8bb8aefd | 148 | "orangefs_inode_getxattr: inode %pU " |
1182fca3 MM |
149 | "key %s key_sz %d, val_len %d\n", |
150 | get_khandle_from_ino(inode), | |
151 | (char *)new_op-> | |
152 | upcall.req.getxattr.key, | |
153 | (int)new_op-> | |
154 | upcall.req.getxattr.key_sz, | |
155 | (int)ret); | |
156 | ||
157 | ret = length; | |
158 | ||
159 | out_release_op: | |
160 | op_release(new_op); | |
161 | out_unlock: | |
8bb8aefd | 162 | up_read(&orangefs_inode->xattr_sem); |
1182fca3 MM |
163 | return ret; |
164 | } | |
165 | ||
8bb8aefd | 166 | static int orangefs_inode_removexattr(struct inode *inode, |
1182fca3 MM |
167 | const char *prefix, |
168 | const char *name, | |
169 | int flags) | |
170 | { | |
8bb8aefd YL |
171 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
172 | struct orangefs_kernel_op_s *new_op = NULL; | |
1182fca3 MM |
173 | int ret = -ENOMEM; |
174 | ||
8bb8aefd YL |
175 | down_write(&orangefs_inode->xattr_sem); |
176 | new_op = op_alloc(ORANGEFS_VFS_OP_REMOVEXATTR); | |
1182fca3 MM |
177 | if (!new_op) |
178 | goto out_unlock; | |
179 | ||
8bb8aefd | 180 | new_op->upcall.req.removexattr.refn = orangefs_inode->refn; |
1182fca3 MM |
181 | /* |
182 | * NOTE: Although keys are meant to be NULL terminated | |
183 | * textual strings, I am going to explicitly pass the | |
184 | * length just in case we change this later on... | |
185 | */ | |
186 | ret = snprintf((char *)new_op->upcall.req.removexattr.key, | |
8bb8aefd | 187 | ORANGEFS_MAX_XATTR_NAMELEN, |
1182fca3 MM |
188 | "%s%s", |
189 | (prefix ? prefix : ""), | |
190 | name); | |
191 | new_op->upcall.req.removexattr.key_sz = ret + 1; | |
192 | ||
193 | gossip_debug(GOSSIP_XATTR_DEBUG, | |
8bb8aefd | 194 | "orangefs_inode_removexattr: key %s, key_sz %d\n", |
1182fca3 MM |
195 | (char *)new_op->upcall.req.removexattr.key, |
196 | (int)new_op->upcall.req.removexattr.key_sz); | |
197 | ||
198 | ret = service_operation(new_op, | |
8bb8aefd | 199 | "orangefs_inode_removexattr", |
1182fca3 MM |
200 | get_interruptible_flag(inode)); |
201 | if (ret == -ENOENT) { | |
202 | /* | |
203 | * Request to replace a non-existent attribute is an error. | |
204 | */ | |
205 | if (flags & XATTR_REPLACE) | |
206 | ret = -ENODATA; | |
207 | else | |
208 | ret = 0; | |
209 | } | |
210 | ||
211 | gossip_debug(GOSSIP_XATTR_DEBUG, | |
8bb8aefd | 212 | "orangefs_inode_removexattr: returning %d\n", ret); |
1182fca3 MM |
213 | |
214 | op_release(new_op); | |
215 | out_unlock: | |
8bb8aefd | 216 | up_write(&orangefs_inode->xattr_sem); |
1182fca3 MM |
217 | return ret; |
218 | } | |
219 | ||
220 | /* | |
221 | * Tries to set an attribute for a given key on a file. | |
222 | * | |
223 | * Returns a -ve number on error and 0 on success. Key is text, but value | |
224 | * can be binary! | |
225 | */ | |
8bb8aefd | 226 | int orangefs_inode_setxattr(struct inode *inode, const char *prefix, |
1182fca3 MM |
227 | const char *name, const void *value, size_t size, int flags) |
228 | { | |
8bb8aefd YL |
229 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
230 | struct orangefs_kernel_op_s *new_op; | |
1182fca3 MM |
231 | int internal_flag = 0; |
232 | int ret = -ENOMEM; | |
233 | ||
234 | gossip_debug(GOSSIP_XATTR_DEBUG, | |
235 | "%s: prefix %s, name %s, buffer_size %zd\n", | |
236 | __func__, prefix, name, size); | |
237 | ||
2d09a2ca | 238 | if (size >= ORANGEFS_MAX_XATTR_VALUELEN || |
1182fca3 | 239 | flags < 0) { |
8bb8aefd | 240 | gossip_err("orangefs_inode_setxattr: bogus values of size(%d), flags(%d)\n", |
1182fca3 MM |
241 | (int)size, |
242 | flags); | |
243 | return -EINVAL; | |
244 | } | |
245 | ||
1182fca3 MM |
246 | internal_flag = convert_to_internal_xattr_flags(flags); |
247 | ||
248 | if (prefix) { | |
8bb8aefd | 249 | if (strlen(name) + strlen(prefix) >= ORANGEFS_MAX_XATTR_NAMELEN) { |
1182fca3 | 250 | gossip_err |
8bb8aefd | 251 | ("orangefs_inode_setxattr: bogus key size (%d)\n", |
1182fca3 MM |
252 | (int)(strlen(name) + strlen(prefix))); |
253 | return -EINVAL; | |
254 | } | |
255 | } else { | |
8bb8aefd | 256 | if (strlen(name) >= ORANGEFS_MAX_XATTR_NAMELEN) { |
1182fca3 | 257 | gossip_err |
8bb8aefd | 258 | ("orangefs_inode_setxattr: bogus key size (%d)\n", |
1182fca3 MM |
259 | (int)(strlen(name))); |
260 | return -EINVAL; | |
261 | } | |
262 | } | |
263 | ||
264 | /* This is equivalent to a removexattr */ | |
265 | if (size == 0 && value == NULL) { | |
266 | gossip_debug(GOSSIP_XATTR_DEBUG, | |
267 | "removing xattr (%s%s)\n", | |
268 | prefix, | |
269 | name); | |
8bb8aefd | 270 | return orangefs_inode_removexattr(inode, prefix, name, flags); |
1182fca3 MM |
271 | } |
272 | ||
273 | gossip_debug(GOSSIP_XATTR_DEBUG, | |
274 | "setxattr on inode %pU, name %s\n", | |
275 | get_khandle_from_ino(inode), | |
276 | name); | |
277 | ||
8bb8aefd YL |
278 | down_write(&orangefs_inode->xattr_sem); |
279 | new_op = op_alloc(ORANGEFS_VFS_OP_SETXATTR); | |
1182fca3 MM |
280 | if (!new_op) |
281 | goto out_unlock; | |
282 | ||
283 | ||
8bb8aefd | 284 | new_op->upcall.req.setxattr.refn = orangefs_inode->refn; |
1182fca3 MM |
285 | new_op->upcall.req.setxattr.flags = internal_flag; |
286 | /* | |
287 | * NOTE: Although keys are meant to be NULL terminated textual | |
288 | * strings, I am going to explicitly pass the length just in | |
289 | * case we change this later on... | |
290 | */ | |
291 | ret = snprintf((char *)new_op->upcall.req.setxattr.keyval.key, | |
8bb8aefd | 292 | ORANGEFS_MAX_XATTR_NAMELEN, |
1182fca3 MM |
293 | "%s%s", |
294 | prefix, name); | |
295 | new_op->upcall.req.setxattr.keyval.key_sz = ret + 1; | |
296 | memcpy(new_op->upcall.req.setxattr.keyval.val, value, size); | |
297 | new_op->upcall.req.setxattr.keyval.val_sz = size; | |
298 | ||
299 | gossip_debug(GOSSIP_XATTR_DEBUG, | |
8bb8aefd | 300 | "orangefs_inode_setxattr: key %s, key_sz %d " |
1182fca3 MM |
301 | " value size %zd\n", |
302 | (char *)new_op->upcall.req.setxattr.keyval.key, | |
303 | (int)new_op->upcall.req.setxattr.keyval.key_sz, | |
304 | size); | |
305 | ||
306 | ret = service_operation(new_op, | |
8bb8aefd | 307 | "orangefs_inode_setxattr", |
1182fca3 MM |
308 | get_interruptible_flag(inode)); |
309 | ||
310 | gossip_debug(GOSSIP_XATTR_DEBUG, | |
8bb8aefd | 311 | "orangefs_inode_setxattr: returning %d\n", |
1182fca3 MM |
312 | ret); |
313 | ||
314 | /* when request is serviced properly, free req op struct */ | |
315 | op_release(new_op); | |
316 | out_unlock: | |
8bb8aefd | 317 | up_write(&orangefs_inode->xattr_sem); |
1182fca3 MM |
318 | return ret; |
319 | } | |
320 | ||
321 | /* | |
322 | * Tries to get a specified object's keys into a user-specified buffer of a | |
323 | * given size. Note that like the previous instances of xattr routines, this | |
324 | * also allows you to pass in a NULL pointer and 0 size to probe the size for | |
325 | * subsequent memory allocations. Thus our return value is always the size of | |
326 | * all the keys unless there were errors in fetching the keys! | |
327 | */ | |
8bb8aefd | 328 | ssize_t orangefs_listxattr(struct dentry *dentry, char *buffer, size_t size) |
1182fca3 MM |
329 | { |
330 | struct inode *inode = dentry->d_inode; | |
8bb8aefd YL |
331 | struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); |
332 | struct orangefs_kernel_op_s *new_op; | |
333 | __u64 token = ORANGEFS_ITERATE_START; | |
1182fca3 MM |
334 | ssize_t ret = -ENOMEM; |
335 | ssize_t total = 0; | |
1182fca3 MM |
336 | int count_keys = 0; |
337 | int key_size; | |
338 | int i = 0; | |
62441fa5 | 339 | int returned_count = 0; |
1182fca3 MM |
340 | |
341 | if (size > 0 && buffer == NULL) { | |
342 | gossip_err("%s: bogus NULL pointers\n", __func__); | |
343 | return -EINVAL; | |
344 | } | |
1182fca3 | 345 | |
8bb8aefd YL |
346 | down_read(&orangefs_inode->xattr_sem); |
347 | new_op = op_alloc(ORANGEFS_VFS_OP_LISTXATTR); | |
1182fca3 MM |
348 | if (!new_op) |
349 | goto out_unlock; | |
350 | ||
351 | if (buffer && size > 0) | |
352 | memset(buffer, 0, size); | |
353 | ||
354 | try_again: | |
355 | key_size = 0; | |
8bb8aefd | 356 | new_op->upcall.req.listxattr.refn = orangefs_inode->refn; |
1182fca3 MM |
357 | new_op->upcall.req.listxattr.token = token; |
358 | new_op->upcall.req.listxattr.requested_count = | |
8bb8aefd | 359 | (size == 0) ? 0 : ORANGEFS_MAX_XATTR_LISTLEN; |
1182fca3 MM |
360 | ret = service_operation(new_op, __func__, |
361 | get_interruptible_flag(inode)); | |
362 | if (ret != 0) | |
363 | goto done; | |
364 | ||
365 | if (size == 0) { | |
366 | /* | |
367 | * This is a bit of a big upper limit, but I did not want to | |
368 | * spend too much time getting this correct, since users end | |
369 | * up allocating memory rather than us... | |
370 | */ | |
371 | total = new_op->downcall.resp.listxattr.returned_count * | |
8bb8aefd | 372 | ORANGEFS_MAX_XATTR_NAMELEN; |
1182fca3 MM |
373 | goto done; |
374 | } | |
375 | ||
62441fa5 MM |
376 | returned_count = new_op->downcall.resp.listxattr.returned_count; |
377 | if (returned_count < 0 || | |
378 | returned_count >= ORANGEFS_MAX_XATTR_LISTLEN) { | |
379 | gossip_err("%s: impossible value for returned_count:%d:\n", | |
380 | __func__, | |
381 | returned_count); | |
02a5cc53 | 382 | ret = -EIO; |
62441fa5 MM |
383 | goto done; |
384 | } | |
385 | ||
1182fca3 MM |
386 | /* |
387 | * Check to see how much can be fit in the buffer. Fit only whole keys. | |
388 | */ | |
62441fa5 | 389 | for (i = 0; i < returned_count; i++) { |
02a5cc53 MB |
390 | if (new_op->downcall.resp.listxattr.lengths[i] < 0 || |
391 | new_op->downcall.resp.listxattr.lengths[i] > | |
392 | ORANGEFS_MAX_XATTR_NAMELEN) { | |
393 | gossip_err("%s: impossible value for lengths[%d]\n", | |
394 | __func__, | |
395 | new_op->downcall.resp.listxattr.lengths[i]); | |
396 | ret = -EIO; | |
397 | goto done; | |
398 | } | |
1182fca3 MM |
399 | if (total + new_op->downcall.resp.listxattr.lengths[i] > size) |
400 | goto done; | |
401 | ||
402 | /* | |
403 | * Since many dumb programs try to setxattr() on our reserved | |
404 | * xattrs this is a feeble attempt at defeating those by not | |
405 | * listing them in the output of listxattr.. sigh | |
406 | */ | |
407 | if (is_reserved_key(new_op->downcall.resp.listxattr.key + | |
408 | key_size, | |
409 | new_op->downcall.resp. | |
410 | listxattr.lengths[i])) { | |
411 | gossip_debug(GOSSIP_XATTR_DEBUG, "Copying key %d -> %s\n", | |
412 | i, new_op->downcall.resp.listxattr.key + | |
413 | key_size); | |
414 | memcpy(buffer + total, | |
415 | new_op->downcall.resp.listxattr.key + key_size, | |
416 | new_op->downcall.resp.listxattr.lengths[i]); | |
417 | total += new_op->downcall.resp.listxattr.lengths[i]; | |
418 | count_keys++; | |
419 | } else { | |
420 | gossip_debug(GOSSIP_XATTR_DEBUG, "[RESERVED] key %d -> %s\n", | |
421 | i, new_op->downcall.resp.listxattr.key + | |
422 | key_size); | |
423 | } | |
424 | key_size += new_op->downcall.resp.listxattr.lengths[i]; | |
425 | } | |
426 | ||
427 | /* | |
428 | * Since the buffer was large enough, we might have to continue | |
429 | * fetching more keys! | |
430 | */ | |
431 | token = new_op->downcall.resp.listxattr.token; | |
8bb8aefd | 432 | if (token != ORANGEFS_ITERATE_END) |
1182fca3 MM |
433 | goto try_again; |
434 | ||
435 | done: | |
436 | gossip_debug(GOSSIP_XATTR_DEBUG, "%s: returning %d" | |
437 | " [size of buffer %ld] (filled in %d keys)\n", | |
438 | __func__, | |
439 | ret ? (int)ret : (int)total, | |
440 | (long)size, | |
441 | count_keys); | |
442 | op_release(new_op); | |
443 | if (ret == 0) | |
444 | ret = total; | |
445 | out_unlock: | |
8bb8aefd | 446 | up_read(&orangefs_inode->xattr_sem); |
1182fca3 MM |
447 | return ret; |
448 | } | |
449 | ||
8bb8aefd YL |
450 | static int orangefs_xattr_set_default(const struct xattr_handler *handler, |
451 | struct dentry *dentry, | |
452 | const char *name, | |
453 | const void *buffer, | |
454 | size_t size, | |
455 | int flags) | |
1182fca3 | 456 | { |
8bb8aefd YL |
457 | return orangefs_inode_setxattr(dentry->d_inode, |
458 | ORANGEFS_XATTR_NAME_DEFAULT_PREFIX, | |
1182fca3 MM |
459 | name, |
460 | buffer, | |
461 | size, | |
462 | flags); | |
463 | } | |
464 | ||
8bb8aefd | 465 | static int orangefs_xattr_get_default(const struct xattr_handler *handler, |
b296821a AV |
466 | struct dentry *unused, |
467 | struct inode *inode, | |
8bb8aefd YL |
468 | const char *name, |
469 | void *buffer, | |
470 | size_t size) | |
1182fca3 | 471 | { |
b296821a | 472 | return orangefs_inode_getxattr(inode, |
8bb8aefd | 473 | ORANGEFS_XATTR_NAME_DEFAULT_PREFIX, |
1182fca3 MM |
474 | name, |
475 | buffer, | |
476 | size); | |
477 | ||
478 | } | |
479 | ||
8bb8aefd YL |
480 | static int orangefs_xattr_set_trusted(const struct xattr_handler *handler, |
481 | struct dentry *dentry, | |
482 | const char *name, | |
483 | const void *buffer, | |
484 | size_t size, | |
485 | int flags) | |
1182fca3 | 486 | { |
8bb8aefd YL |
487 | return orangefs_inode_setxattr(dentry->d_inode, |
488 | ORANGEFS_XATTR_NAME_TRUSTED_PREFIX, | |
1182fca3 MM |
489 | name, |
490 | buffer, | |
491 | size, | |
492 | flags); | |
493 | } | |
494 | ||
8bb8aefd | 495 | static int orangefs_xattr_get_trusted(const struct xattr_handler *handler, |
b296821a AV |
496 | struct dentry *unused, |
497 | struct inode *inode, | |
8bb8aefd YL |
498 | const char *name, |
499 | void *buffer, | |
500 | size_t size) | |
1182fca3 | 501 | { |
b296821a | 502 | return orangefs_inode_getxattr(inode, |
8bb8aefd | 503 | ORANGEFS_XATTR_NAME_TRUSTED_PREFIX, |
1182fca3 MM |
504 | name, |
505 | buffer, | |
506 | size); | |
507 | } | |
508 | ||
8bb8aefd YL |
509 | static struct xattr_handler orangefs_xattr_trusted_handler = { |
510 | .prefix = ORANGEFS_XATTR_NAME_TRUSTED_PREFIX, | |
511 | .get = orangefs_xattr_get_trusted, | |
512 | .set = orangefs_xattr_set_trusted, | |
1182fca3 MM |
513 | }; |
514 | ||
8bb8aefd | 515 | static struct xattr_handler orangefs_xattr_default_handler = { |
1182fca3 MM |
516 | /* |
517 | * NOTE: this is set to be the empty string. | |
518 | * so that all un-prefixed xattrs keys get caught | |
519 | * here! | |
520 | */ | |
8bb8aefd YL |
521 | .prefix = ORANGEFS_XATTR_NAME_DEFAULT_PREFIX, |
522 | .get = orangefs_xattr_get_default, | |
523 | .set = orangefs_xattr_set_default, | |
1182fca3 MM |
524 | }; |
525 | ||
8bb8aefd | 526 | const struct xattr_handler *orangefs_xattr_handlers[] = { |
1182fca3 MM |
527 | &posix_acl_access_xattr_handler, |
528 | &posix_acl_default_xattr_handler, | |
8bb8aefd YL |
529 | &orangefs_xattr_trusted_handler, |
530 | &orangefs_xattr_default_handler, | |
1182fca3 MM |
531 | NULL |
532 | }; |