Commit | Line | Data |
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53c06f4e AK |
1 | /* |
2 | * linux/fs/9p/vfs_inode_dotl.c | |
3 | * | |
4 | * This file contains vfs inode ops for the 9P2000.L protocol. | |
5 | * | |
6 | * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com> | |
7 | * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 | |
11 | * as published by the Free Software Foundation. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to: | |
20 | * Free Software Foundation | |
21 | * 51 Franklin Street, Fifth Floor | |
22 | * Boston, MA 02111-1301 USA | |
23 | * | |
24 | */ | |
25 | ||
26 | #include <linux/module.h> | |
27 | #include <linux/errno.h> | |
28 | #include <linux/fs.h> | |
29 | #include <linux/file.h> | |
30 | #include <linux/pagemap.h> | |
31 | #include <linux/stat.h> | |
32 | #include <linux/string.h> | |
33 | #include <linux/inet.h> | |
34 | #include <linux/namei.h> | |
35 | #include <linux/idr.h> | |
36 | #include <linux/sched.h> | |
37 | #include <linux/slab.h> | |
38 | #include <linux/xattr.h> | |
39 | #include <linux/posix_acl.h> | |
40 | #include <net/9p/9p.h> | |
41 | #include <net/9p/client.h> | |
42 | ||
43 | #include "v9fs.h" | |
44 | #include "v9fs_vfs.h" | |
45 | #include "fid.h" | |
46 | #include "cache.h" | |
47 | #include "xattr.h" | |
48 | #include "acl.h" | |
49 | ||
50 | static int | |
1a67aafb | 51 | v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, |
53c06f4e AK |
52 | dev_t rdev); |
53 | ||
54 | /** | |
55 | * v9fs_get_fsgid_for_create - Helper function to get the gid for creating a | |
56 | * new file system object. This checks the S_ISGID to determine the owning | |
57 | * group of the new file system object. | |
58 | */ | |
59 | ||
60 | static gid_t v9fs_get_fsgid_for_create(struct inode *dir_inode) | |
61 | { | |
62 | BUG_ON(dir_inode == NULL); | |
63 | ||
64 | if (dir_inode->i_mode & S_ISGID) { | |
65 | /* set_gid bit is set.*/ | |
66 | return dir_inode->i_gid; | |
67 | } | |
68 | return current_fsgid(); | |
69 | } | |
70 | ||
71 | /** | |
72 | * v9fs_dentry_from_dir_inode - helper function to get the dentry from | |
73 | * dir inode. | |
74 | * | |
75 | */ | |
76 | ||
77 | static struct dentry *v9fs_dentry_from_dir_inode(struct inode *inode) | |
78 | { | |
79 | struct dentry *dentry; | |
80 | ||
81 | spin_lock(&inode->i_lock); | |
82 | /* Directory should have only one entry. */ | |
83 | BUG_ON(S_ISDIR(inode->i_mode) && !list_is_singular(&inode->i_dentry)); | |
84 | dentry = list_entry(inode->i_dentry.next, struct dentry, d_alias); | |
85 | spin_unlock(&inode->i_lock); | |
86 | return dentry; | |
87 | } | |
88 | ||
fd2421f5 AK |
89 | static int v9fs_test_inode_dotl(struct inode *inode, void *data) |
90 | { | |
91 | struct v9fs_inode *v9inode = V9FS_I(inode); | |
92 | struct p9_stat_dotl *st = (struct p9_stat_dotl *)data; | |
93 | ||
94 | /* don't match inode of different type */ | |
95 | if ((inode->i_mode & S_IFMT) != (st->st_mode & S_IFMT)) | |
96 | return 0; | |
97 | ||
98 | if (inode->i_generation != st->st_gen) | |
99 | return 0; | |
100 | ||
101 | /* compare qid details */ | |
102 | if (memcmp(&v9inode->qid.version, | |
103 | &st->qid.version, sizeof(v9inode->qid.version))) | |
104 | return 0; | |
105 | ||
106 | if (v9inode->qid.type != st->qid.type) | |
107 | return 0; | |
108 | return 1; | |
109 | } | |
110 | ||
ed80fcfa AK |
111 | /* Always get a new inode */ |
112 | static int v9fs_test_new_inode_dotl(struct inode *inode, void *data) | |
113 | { | |
114 | return 0; | |
115 | } | |
116 | ||
fd2421f5 AK |
117 | static int v9fs_set_inode_dotl(struct inode *inode, void *data) |
118 | { | |
119 | struct v9fs_inode *v9inode = V9FS_I(inode); | |
120 | struct p9_stat_dotl *st = (struct p9_stat_dotl *)data; | |
121 | ||
122 | memcpy(&v9inode->qid, &st->qid, sizeof(st->qid)); | |
123 | inode->i_generation = st->st_gen; | |
124 | return 0; | |
125 | } | |
126 | ||
5ffc0cb3 AK |
127 | static struct inode *v9fs_qid_iget_dotl(struct super_block *sb, |
128 | struct p9_qid *qid, | |
129 | struct p9_fid *fid, | |
ed80fcfa AK |
130 | struct p9_stat_dotl *st, |
131 | int new) | |
5ffc0cb3 AK |
132 | { |
133 | int retval; | |
134 | unsigned long i_ino; | |
135 | struct inode *inode; | |
136 | struct v9fs_session_info *v9ses = sb->s_fs_info; | |
ed80fcfa AK |
137 | int (*test)(struct inode *, void *); |
138 | ||
139 | if (new) | |
140 | test = v9fs_test_new_inode_dotl; | |
141 | else | |
142 | test = v9fs_test_inode_dotl; | |
5ffc0cb3 AK |
143 | |
144 | i_ino = v9fs_qid2ino(qid); | |
ed80fcfa | 145 | inode = iget5_locked(sb, i_ino, test, v9fs_set_inode_dotl, st); |
5ffc0cb3 AK |
146 | if (!inode) |
147 | return ERR_PTR(-ENOMEM); | |
148 | if (!(inode->i_state & I_NEW)) | |
149 | return inode; | |
150 | /* | |
151 | * initialize the inode with the stat info | |
152 | * FIXME!! we may need support for stale inodes | |
153 | * later. | |
154 | */ | |
fd2421f5 | 155 | inode->i_ino = i_ino; |
45089142 AK |
156 | retval = v9fs_init_inode(v9ses, inode, |
157 | st->st_mode, new_decode_dev(st->st_rdev)); | |
5ffc0cb3 AK |
158 | if (retval) |
159 | goto error; | |
160 | ||
161 | v9fs_stat2inode_dotl(st, inode); | |
162 | #ifdef CONFIG_9P_FSCACHE | |
5ffc0cb3 AK |
163 | v9fs_cache_inode_get_cookie(inode); |
164 | #endif | |
165 | retval = v9fs_get_acl(inode, fid); | |
166 | if (retval) | |
167 | goto error; | |
168 | ||
169 | unlock_new_inode(inode); | |
170 | return inode; | |
171 | error: | |
172 | unlock_new_inode(inode); | |
173 | iput(inode); | |
174 | return ERR_PTR(retval); | |
175 | ||
176 | } | |
177 | ||
53c06f4e | 178 | struct inode * |
a78ce05d | 179 | v9fs_inode_from_fid_dotl(struct v9fs_session_info *v9ses, struct p9_fid *fid, |
ed80fcfa | 180 | struct super_block *sb, int new) |
53c06f4e | 181 | { |
53c06f4e | 182 | struct p9_stat_dotl *st; |
5ffc0cb3 | 183 | struct inode *inode = NULL; |
53c06f4e | 184 | |
fd2421f5 | 185 | st = p9_client_getattr_dotl(fid, P9_STATS_BASIC | P9_STATS_GEN); |
53c06f4e AK |
186 | if (IS_ERR(st)) |
187 | return ERR_CAST(st); | |
188 | ||
ed80fcfa | 189 | inode = v9fs_qid_iget_dotl(sb, &st->qid, fid, st, new); |
53c06f4e | 190 | kfree(st); |
5ffc0cb3 | 191 | return inode; |
53c06f4e AK |
192 | } |
193 | ||
f88657ce AK |
194 | struct dotl_openflag_map { |
195 | int open_flag; | |
196 | int dotl_flag; | |
197 | }; | |
198 | ||
199 | static int v9fs_mapped_dotl_flags(int flags) | |
200 | { | |
201 | int i; | |
202 | int rflags = 0; | |
203 | struct dotl_openflag_map dotl_oflag_map[] = { | |
204 | { O_CREAT, P9_DOTL_CREATE }, | |
205 | { O_EXCL, P9_DOTL_EXCL }, | |
206 | { O_NOCTTY, P9_DOTL_NOCTTY }, | |
207 | { O_TRUNC, P9_DOTL_TRUNC }, | |
208 | { O_APPEND, P9_DOTL_APPEND }, | |
209 | { O_NONBLOCK, P9_DOTL_NONBLOCK }, | |
210 | { O_DSYNC, P9_DOTL_DSYNC }, | |
211 | { FASYNC, P9_DOTL_FASYNC }, | |
212 | { O_DIRECT, P9_DOTL_DIRECT }, | |
213 | { O_LARGEFILE, P9_DOTL_LARGEFILE }, | |
214 | { O_DIRECTORY, P9_DOTL_DIRECTORY }, | |
215 | { O_NOFOLLOW, P9_DOTL_NOFOLLOW }, | |
216 | { O_NOATIME, P9_DOTL_NOATIME }, | |
217 | { O_CLOEXEC, P9_DOTL_CLOEXEC }, | |
218 | { O_SYNC, P9_DOTL_SYNC}, | |
219 | }; | |
220 | for (i = 0; i < ARRAY_SIZE(dotl_oflag_map); i++) { | |
221 | if (flags & dotl_oflag_map[i].open_flag) | |
222 | rflags |= dotl_oflag_map[i].dotl_flag; | |
223 | } | |
224 | return rflags; | |
225 | } | |
226 | ||
227 | /** | |
228 | * v9fs_open_to_dotl_flags- convert Linux specific open flags to | |
229 | * plan 9 open flag. | |
230 | * @flags: flags to convert | |
231 | */ | |
232 | int v9fs_open_to_dotl_flags(int flags) | |
233 | { | |
234 | int rflags = 0; | |
235 | ||
236 | /* | |
237 | * We have same bits for P9_DOTL_READONLY, P9_DOTL_WRONLY | |
238 | * and P9_DOTL_NOACCESS | |
239 | */ | |
240 | rflags |= flags & O_ACCMODE; | |
241 | rflags |= v9fs_mapped_dotl_flags(flags); | |
242 | ||
243 | return rflags; | |
244 | } | |
245 | ||
53c06f4e AK |
246 | /** |
247 | * v9fs_vfs_create_dotl - VFS hook to create files for 9P2000.L protocol. | |
248 | * @dir: directory inode that is being created | |
249 | * @dentry: dentry that is being deleted | |
250 | * @mode: create permissions | |
251 | * @nd: path information | |
252 | * | |
253 | */ | |
254 | ||
255 | static int | |
4acdaf27 | 256 | v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, |
53c06f4e AK |
257 | struct nameidata *nd) |
258 | { | |
259 | int err = 0; | |
53c06f4e AK |
260 | gid_t gid; |
261 | int flags; | |
d3fb6120 | 262 | umode_t mode; |
6b39f6d2 | 263 | char *name = NULL; |
53c06f4e AK |
264 | struct file *filp; |
265 | struct p9_qid qid; | |
266 | struct inode *inode; | |
6b39f6d2 AK |
267 | struct p9_fid *fid = NULL; |
268 | struct v9fs_inode *v9inode; | |
269 | struct p9_fid *dfid, *ofid, *inode_fid; | |
270 | struct v9fs_session_info *v9ses; | |
53c06f4e AK |
271 | struct posix_acl *pacl = NULL, *dacl = NULL; |
272 | ||
273 | v9ses = v9fs_inode2v9ses(dir); | |
dd7dd556 | 274 | if (nd) |
8a5e929d | 275 | flags = nd->intent.open.flags; |
53c06f4e AK |
276 | else { |
277 | /* | |
278 | * create call without LOOKUP_OPEN is due | |
279 | * to mknod of regular files. So use mknod | |
280 | * operation. | |
281 | */ | |
282 | return v9fs_vfs_mknod_dotl(dir, dentry, omode, 0); | |
283 | } | |
284 | ||
285 | name = (char *) dentry->d_name.name; | |
609eac1c | 286 | p9_debug(P9_DEBUG_VFS, "name:%s flags:0x%x mode:0x%hx\n", |
5d385153 | 287 | name, flags, omode); |
53c06f4e AK |
288 | |
289 | dfid = v9fs_fid_lookup(dentry->d_parent); | |
290 | if (IS_ERR(dfid)) { | |
291 | err = PTR_ERR(dfid); | |
5d385153 | 292 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
53c06f4e AK |
293 | return err; |
294 | } | |
295 | ||
296 | /* clone a fid to use for creation */ | |
297 | ofid = p9_client_walk(dfid, 0, NULL, 1); | |
298 | if (IS_ERR(ofid)) { | |
299 | err = PTR_ERR(ofid); | |
5d385153 | 300 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err); |
53c06f4e AK |
301 | return err; |
302 | } | |
303 | ||
304 | gid = v9fs_get_fsgid_for_create(dir); | |
305 | ||
306 | mode = omode; | |
307 | /* Update mode based on ACL value */ | |
308 | err = v9fs_acl_mode(dir, &mode, &dacl, &pacl); | |
309 | if (err) { | |
5d385153 JP |
310 | p9_debug(P9_DEBUG_VFS, "Failed to get acl values in creat %d\n", |
311 | err); | |
53c06f4e AK |
312 | goto error; |
313 | } | |
f88657ce AK |
314 | err = p9_client_create_dotl(ofid, name, v9fs_open_to_dotl_flags(flags), |
315 | mode, gid, &qid); | |
53c06f4e | 316 | if (err < 0) { |
5d385153 JP |
317 | p9_debug(P9_DEBUG_VFS, "p9_client_open_dotl failed in creat %d\n", |
318 | err); | |
53c06f4e AK |
319 | goto error; |
320 | } | |
d28c61f0 | 321 | v9fs_invalidate_inode_attr(dir); |
53c06f4e | 322 | |
af7542fc AK |
323 | /* instantiate inode and assign the unopened fid to the dentry */ |
324 | fid = p9_client_walk(dfid, 1, &name, 1); | |
325 | if (IS_ERR(fid)) { | |
326 | err = PTR_ERR(fid); | |
5d385153 | 327 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err); |
53c06f4e | 328 | fid = NULL; |
af7542fc | 329 | goto error; |
53c06f4e | 330 | } |
ed80fcfa | 331 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
af7542fc AK |
332 | if (IS_ERR(inode)) { |
333 | err = PTR_ERR(inode); | |
5d385153 | 334 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", err); |
af7542fc AK |
335 | goto error; |
336 | } | |
af7542fc AK |
337 | err = v9fs_fid_add(dentry, fid); |
338 | if (err < 0) | |
339 | goto error; | |
5441ae5e | 340 | d_instantiate(dentry, inode); |
af7542fc | 341 | |
53c06f4e | 342 | /* Now set the ACL based on the default value */ |
1ec95bf3 | 343 | v9fs_set_create_acl(dentry, &dacl, &pacl); |
6b39f6d2 AK |
344 | |
345 | v9inode = V9FS_I(inode); | |
5a7e0a8c | 346 | mutex_lock(&v9inode->v_mutex); |
7add697a AK |
347 | if (v9ses->cache && !v9inode->writeback_fid && |
348 | ((flags & O_ACCMODE) != O_RDONLY)) { | |
3cf387d7 | 349 | /* |
6b39f6d2 | 350 | * clone a fid and add it to writeback_fid |
3cf387d7 AK |
351 | * we do it during open time instead of |
352 | * page dirty time via write_begin/page_mkwrite | |
353 | * because we want write after unlink usecase | |
354 | * to work. | |
355 | */ | |
356 | inode_fid = v9fs_writeback_fid(dentry); | |
357 | if (IS_ERR(inode_fid)) { | |
358 | err = PTR_ERR(inode_fid); | |
5a7e0a8c | 359 | mutex_unlock(&v9inode->v_mutex); |
398c4f0e | 360 | goto err_clunk_old_fid; |
3cf387d7 | 361 | } |
6b39f6d2 | 362 | v9inode->writeback_fid = (void *) inode_fid; |
3cf387d7 | 363 | } |
5a7e0a8c | 364 | mutex_unlock(&v9inode->v_mutex); |
af7542fc AK |
365 | /* Since we are opening a file, assign the open fid to the file */ |
366 | filp = lookup_instantiate_filp(nd, dentry, generic_file_open); | |
367 | if (IS_ERR(filp)) { | |
398c4f0e AK |
368 | err = PTR_ERR(filp); |
369 | goto err_clunk_old_fid; | |
af7542fc AK |
370 | } |
371 | filp->private_data = ofid; | |
46848de0 AK |
372 | #ifdef CONFIG_9P_FSCACHE |
373 | if (v9ses->cache) | |
374 | v9fs_cache_inode_set_cookie(inode, filp); | |
375 | #endif | |
53c06f4e AK |
376 | return 0; |
377 | ||
378 | error: | |
53c06f4e AK |
379 | if (fid) |
380 | p9_client_clunk(fid); | |
398c4f0e AK |
381 | err_clunk_old_fid: |
382 | if (ofid) | |
383 | p9_client_clunk(ofid); | |
1ec95bf3 | 384 | v9fs_set_create_acl(NULL, &dacl, &pacl); |
53c06f4e AK |
385 | return err; |
386 | } | |
387 | ||
388 | /** | |
389 | * v9fs_vfs_mkdir_dotl - VFS mkdir hook to create a directory | |
390 | * @dir: inode that is being unlinked | |
391 | * @dentry: dentry that is being unlinked | |
392 | * @mode: mode for new directory | |
393 | * | |
394 | */ | |
395 | ||
396 | static int v9fs_vfs_mkdir_dotl(struct inode *dir, | |
18bb1db3 | 397 | struct dentry *dentry, umode_t omode) |
53c06f4e AK |
398 | { |
399 | int err; | |
400 | struct v9fs_session_info *v9ses; | |
401 | struct p9_fid *fid = NULL, *dfid = NULL; | |
402 | gid_t gid; | |
403 | char *name; | |
d3fb6120 | 404 | umode_t mode; |
53c06f4e AK |
405 | struct inode *inode; |
406 | struct p9_qid qid; | |
407 | struct dentry *dir_dentry; | |
408 | struct posix_acl *dacl = NULL, *pacl = NULL; | |
409 | ||
5d385153 | 410 | p9_debug(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name); |
53c06f4e AK |
411 | err = 0; |
412 | v9ses = v9fs_inode2v9ses(dir); | |
413 | ||
414 | omode |= S_IFDIR; | |
415 | if (dir->i_mode & S_ISGID) | |
416 | omode |= S_ISGID; | |
417 | ||
418 | dir_dentry = v9fs_dentry_from_dir_inode(dir); | |
419 | dfid = v9fs_fid_lookup(dir_dentry); | |
420 | if (IS_ERR(dfid)) { | |
421 | err = PTR_ERR(dfid); | |
5d385153 | 422 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
53c06f4e AK |
423 | dfid = NULL; |
424 | goto error; | |
425 | } | |
426 | ||
427 | gid = v9fs_get_fsgid_for_create(dir); | |
428 | mode = omode; | |
429 | /* Update mode based on ACL value */ | |
430 | err = v9fs_acl_mode(dir, &mode, &dacl, &pacl); | |
431 | if (err) { | |
5d385153 JP |
432 | p9_debug(P9_DEBUG_VFS, "Failed to get acl values in mkdir %d\n", |
433 | err); | |
53c06f4e AK |
434 | goto error; |
435 | } | |
436 | name = (char *) dentry->d_name.name; | |
437 | err = p9_client_mkdir_dotl(dfid, name, mode, gid, &qid); | |
438 | if (err < 0) | |
439 | goto error; | |
440 | ||
441 | /* instantiate inode and assign the unopened fid to the dentry */ | |
442 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { | |
443 | fid = p9_client_walk(dfid, 1, &name, 1); | |
444 | if (IS_ERR(fid)) { | |
445 | err = PTR_ERR(fid); | |
5d385153 JP |
446 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", |
447 | err); | |
53c06f4e AK |
448 | fid = NULL; |
449 | goto error; | |
450 | } | |
451 | ||
ed80fcfa | 452 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
53c06f4e AK |
453 | if (IS_ERR(inode)) { |
454 | err = PTR_ERR(inode); | |
5d385153 JP |
455 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", |
456 | err); | |
53c06f4e AK |
457 | goto error; |
458 | } | |
53c06f4e AK |
459 | err = v9fs_fid_add(dentry, fid); |
460 | if (err < 0) | |
461 | goto error; | |
5441ae5e | 462 | d_instantiate(dentry, inode); |
53c06f4e AK |
463 | fid = NULL; |
464 | } else { | |
465 | /* | |
466 | * Not in cached mode. No need to populate | |
467 | * inode with stat. We need to get an inode | |
468 | * so that we can set the acl with dentry | |
469 | */ | |
45089142 | 470 | inode = v9fs_get_inode(dir->i_sb, mode, 0); |
53c06f4e AK |
471 | if (IS_ERR(inode)) { |
472 | err = PTR_ERR(inode); | |
473 | goto error; | |
474 | } | |
53c06f4e AK |
475 | d_instantiate(dentry, inode); |
476 | } | |
477 | /* Now set the ACL based on the default value */ | |
1ec95bf3 | 478 | v9fs_set_create_acl(dentry, &dacl, &pacl); |
b271ec47 | 479 | inc_nlink(dir); |
d28c61f0 | 480 | v9fs_invalidate_inode_attr(dir); |
53c06f4e AK |
481 | error: |
482 | if (fid) | |
483 | p9_client_clunk(fid); | |
1ec95bf3 | 484 | v9fs_set_create_acl(NULL, &dacl, &pacl); |
53c06f4e AK |
485 | return err; |
486 | } | |
487 | ||
488 | static int | |
489 | v9fs_vfs_getattr_dotl(struct vfsmount *mnt, struct dentry *dentry, | |
490 | struct kstat *stat) | |
491 | { | |
492 | int err; | |
493 | struct v9fs_session_info *v9ses; | |
494 | struct p9_fid *fid; | |
495 | struct p9_stat_dotl *st; | |
496 | ||
5d385153 | 497 | p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry); |
53c06f4e | 498 | err = -EPERM; |
42869c8a | 499 | v9ses = v9fs_dentry2v9ses(dentry); |
a1211908 AK |
500 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { |
501 | generic_fillattr(dentry->d_inode, stat); | |
502 | return 0; | |
503 | } | |
53c06f4e AK |
504 | fid = v9fs_fid_lookup(dentry); |
505 | if (IS_ERR(fid)) | |
506 | return PTR_ERR(fid); | |
507 | ||
508 | /* Ask for all the fields in stat structure. Server will return | |
509 | * whatever it supports | |
510 | */ | |
511 | ||
512 | st = p9_client_getattr_dotl(fid, P9_STATS_ALL); | |
513 | if (IS_ERR(st)) | |
514 | return PTR_ERR(st); | |
515 | ||
516 | v9fs_stat2inode_dotl(st, dentry->d_inode); | |
517 | generic_fillattr(dentry->d_inode, stat); | |
518 | /* Change block size to what the server returned */ | |
519 | stat->blksize = st->st_blksize; | |
520 | ||
521 | kfree(st); | |
522 | return 0; | |
523 | } | |
524 | ||
f766619d AK |
525 | /* |
526 | * Attribute flags. | |
527 | */ | |
528 | #define P9_ATTR_MODE (1 << 0) | |
529 | #define P9_ATTR_UID (1 << 1) | |
530 | #define P9_ATTR_GID (1 << 2) | |
531 | #define P9_ATTR_SIZE (1 << 3) | |
532 | #define P9_ATTR_ATIME (1 << 4) | |
533 | #define P9_ATTR_MTIME (1 << 5) | |
534 | #define P9_ATTR_CTIME (1 << 6) | |
535 | #define P9_ATTR_ATIME_SET (1 << 7) | |
536 | #define P9_ATTR_MTIME_SET (1 << 8) | |
537 | ||
538 | struct dotl_iattr_map { | |
539 | int iattr_valid; | |
540 | int p9_iattr_valid; | |
541 | }; | |
542 | ||
543 | static int v9fs_mapped_iattr_valid(int iattr_valid) | |
544 | { | |
545 | int i; | |
546 | int p9_iattr_valid = 0; | |
547 | struct dotl_iattr_map dotl_iattr_map[] = { | |
548 | { ATTR_MODE, P9_ATTR_MODE }, | |
549 | { ATTR_UID, P9_ATTR_UID }, | |
550 | { ATTR_GID, P9_ATTR_GID }, | |
551 | { ATTR_SIZE, P9_ATTR_SIZE }, | |
552 | { ATTR_ATIME, P9_ATTR_ATIME }, | |
553 | { ATTR_MTIME, P9_ATTR_MTIME }, | |
554 | { ATTR_CTIME, P9_ATTR_CTIME }, | |
555 | { ATTR_ATIME_SET, P9_ATTR_ATIME_SET }, | |
556 | { ATTR_MTIME_SET, P9_ATTR_MTIME_SET }, | |
557 | }; | |
558 | for (i = 0; i < ARRAY_SIZE(dotl_iattr_map); i++) { | |
559 | if (iattr_valid & dotl_iattr_map[i].iattr_valid) | |
560 | p9_iattr_valid |= dotl_iattr_map[i].p9_iattr_valid; | |
561 | } | |
562 | return p9_iattr_valid; | |
563 | } | |
564 | ||
53c06f4e AK |
565 | /** |
566 | * v9fs_vfs_setattr_dotl - set file metadata | |
567 | * @dentry: file whose metadata to set | |
568 | * @iattr: metadata assignment structure | |
569 | * | |
570 | */ | |
571 | ||
572 | int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) | |
573 | { | |
574 | int retval; | |
575 | struct v9fs_session_info *v9ses; | |
576 | struct p9_fid *fid; | |
577 | struct p9_iattr_dotl p9attr; | |
578 | ||
5d385153 | 579 | p9_debug(P9_DEBUG_VFS, "\n"); |
53c06f4e AK |
580 | |
581 | retval = inode_change_ok(dentry->d_inode, iattr); | |
582 | if (retval) | |
583 | return retval; | |
584 | ||
f766619d | 585 | p9attr.valid = v9fs_mapped_iattr_valid(iattr->ia_valid); |
53c06f4e AK |
586 | p9attr.mode = iattr->ia_mode; |
587 | p9attr.uid = iattr->ia_uid; | |
588 | p9attr.gid = iattr->ia_gid; | |
589 | p9attr.size = iattr->ia_size; | |
590 | p9attr.atime_sec = iattr->ia_atime.tv_sec; | |
591 | p9attr.atime_nsec = iattr->ia_atime.tv_nsec; | |
592 | p9attr.mtime_sec = iattr->ia_mtime.tv_sec; | |
593 | p9attr.mtime_nsec = iattr->ia_mtime.tv_nsec; | |
594 | ||
595 | retval = -EPERM; | |
42869c8a | 596 | v9ses = v9fs_dentry2v9ses(dentry); |
53c06f4e AK |
597 | fid = v9fs_fid_lookup(dentry); |
598 | if (IS_ERR(fid)) | |
599 | return PTR_ERR(fid); | |
600 | ||
3dc5436a AK |
601 | /* Write all dirty data */ |
602 | if (S_ISREG(dentry->d_inode->i_mode)) | |
603 | filemap_write_and_wait(dentry->d_inode->i_mapping); | |
604 | ||
f10fc50f AK |
605 | retval = p9_client_setattr(fid, &p9attr); |
606 | if (retval < 0) | |
607 | return retval; | |
53c06f4e | 608 | |
059c138b AK |
609 | if ((iattr->ia_valid & ATTR_SIZE) && |
610 | iattr->ia_size != i_size_read(dentry->d_inode)) | |
611 | truncate_setsize(dentry->d_inode, iattr->ia_size); | |
612 | ||
613 | v9fs_invalidate_inode_attr(dentry->d_inode); | |
53c06f4e AK |
614 | setattr_copy(dentry->d_inode, iattr); |
615 | mark_inode_dirty(dentry->d_inode); | |
616 | if (iattr->ia_valid & ATTR_MODE) { | |
617 | /* We also want to update ACL when we update mode bits */ | |
618 | retval = v9fs_acl_chmod(dentry); | |
619 | if (retval < 0) | |
620 | return retval; | |
621 | } | |
622 | return 0; | |
623 | } | |
624 | ||
625 | /** | |
626 | * v9fs_stat2inode_dotl - populate an inode structure with stat info | |
627 | * @stat: stat structure | |
628 | * @inode: inode to populate | |
629 | * @sb: superblock of filesystem | |
630 | * | |
631 | */ | |
632 | ||
633 | void | |
634 | v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode) | |
635 | { | |
3eda0de6 | 636 | umode_t mode; |
b3cbea03 | 637 | struct v9fs_inode *v9inode = V9FS_I(inode); |
53c06f4e AK |
638 | |
639 | if ((stat->st_result_mask & P9_STATS_BASIC) == P9_STATS_BASIC) { | |
640 | inode->i_atime.tv_sec = stat->st_atime_sec; | |
641 | inode->i_atime.tv_nsec = stat->st_atime_nsec; | |
642 | inode->i_mtime.tv_sec = stat->st_mtime_sec; | |
643 | inode->i_mtime.tv_nsec = stat->st_mtime_nsec; | |
644 | inode->i_ctime.tv_sec = stat->st_ctime_sec; | |
645 | inode->i_ctime.tv_nsec = stat->st_ctime_nsec; | |
646 | inode->i_uid = stat->st_uid; | |
647 | inode->i_gid = stat->st_gid; | |
bfe86848 | 648 | set_nlink(inode, stat->st_nlink); |
53c06f4e | 649 | |
45089142 AK |
650 | mode = stat->st_mode & S_IALLUGO; |
651 | mode |= inode->i_mode & ~S_IALLUGO; | |
652 | inode->i_mode = mode; | |
53c06f4e AK |
653 | |
654 | i_size_write(inode, stat->st_size); | |
655 | inode->i_blocks = stat->st_blocks; | |
656 | } else { | |
657 | if (stat->st_result_mask & P9_STATS_ATIME) { | |
658 | inode->i_atime.tv_sec = stat->st_atime_sec; | |
659 | inode->i_atime.tv_nsec = stat->st_atime_nsec; | |
660 | } | |
661 | if (stat->st_result_mask & P9_STATS_MTIME) { | |
662 | inode->i_mtime.tv_sec = stat->st_mtime_sec; | |
663 | inode->i_mtime.tv_nsec = stat->st_mtime_nsec; | |
664 | } | |
665 | if (stat->st_result_mask & P9_STATS_CTIME) { | |
666 | inode->i_ctime.tv_sec = stat->st_ctime_sec; | |
667 | inode->i_ctime.tv_nsec = stat->st_ctime_nsec; | |
668 | } | |
669 | if (stat->st_result_mask & P9_STATS_UID) | |
670 | inode->i_uid = stat->st_uid; | |
671 | if (stat->st_result_mask & P9_STATS_GID) | |
672 | inode->i_gid = stat->st_gid; | |
673 | if (stat->st_result_mask & P9_STATS_NLINK) | |
bfe86848 | 674 | set_nlink(inode, stat->st_nlink); |
53c06f4e AK |
675 | if (stat->st_result_mask & P9_STATS_MODE) { |
676 | inode->i_mode = stat->st_mode; | |
677 | if ((S_ISBLK(inode->i_mode)) || | |
678 | (S_ISCHR(inode->i_mode))) | |
679 | init_special_inode(inode, inode->i_mode, | |
680 | inode->i_rdev); | |
681 | } | |
682 | if (stat->st_result_mask & P9_STATS_RDEV) | |
683 | inode->i_rdev = new_decode_dev(stat->st_rdev); | |
684 | if (stat->st_result_mask & P9_STATS_SIZE) | |
685 | i_size_write(inode, stat->st_size); | |
686 | if (stat->st_result_mask & P9_STATS_BLOCKS) | |
687 | inode->i_blocks = stat->st_blocks; | |
688 | } | |
689 | if (stat->st_result_mask & P9_STATS_GEN) | |
fd2421f5 | 690 | inode->i_generation = stat->st_gen; |
53c06f4e AK |
691 | |
692 | /* Currently we don't support P9_STATS_BTIME and P9_STATS_DATA_VERSION | |
693 | * because the inode structure does not have fields for them. | |
694 | */ | |
b3cbea03 | 695 | v9inode->cache_validity &= ~V9FS_INO_INVALID_ATTR; |
53c06f4e AK |
696 | } |
697 | ||
698 | static int | |
699 | v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry, | |
700 | const char *symname) | |
701 | { | |
53c06f4e AK |
702 | int err; |
703 | gid_t gid; | |
d28c61f0 AK |
704 | char *name; |
705 | struct p9_qid qid; | |
706 | struct inode *inode; | |
707 | struct p9_fid *dfid; | |
708 | struct p9_fid *fid = NULL; | |
709 | struct v9fs_session_info *v9ses; | |
53c06f4e AK |
710 | |
711 | name = (char *) dentry->d_name.name; | |
5d385153 | 712 | p9_debug(P9_DEBUG_VFS, "%lu,%s,%s\n", dir->i_ino, name, symname); |
53c06f4e AK |
713 | v9ses = v9fs_inode2v9ses(dir); |
714 | ||
715 | dfid = v9fs_fid_lookup(dentry->d_parent); | |
716 | if (IS_ERR(dfid)) { | |
717 | err = PTR_ERR(dfid); | |
5d385153 | 718 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
53c06f4e AK |
719 | return err; |
720 | } | |
721 | ||
722 | gid = v9fs_get_fsgid_for_create(dir); | |
723 | ||
724 | /* Server doesn't alter fid on TSYMLINK. Hence no need to clone it. */ | |
725 | err = p9_client_symlink(dfid, name, (char *)symname, gid, &qid); | |
726 | ||
727 | if (err < 0) { | |
5d385153 | 728 | p9_debug(P9_DEBUG_VFS, "p9_client_symlink failed %d\n", err); |
53c06f4e AK |
729 | goto error; |
730 | } | |
731 | ||
d28c61f0 | 732 | v9fs_invalidate_inode_attr(dir); |
53c06f4e AK |
733 | if (v9ses->cache) { |
734 | /* Now walk from the parent so we can get an unopened fid. */ | |
735 | fid = p9_client_walk(dfid, 1, &name, 1); | |
736 | if (IS_ERR(fid)) { | |
737 | err = PTR_ERR(fid); | |
5d385153 JP |
738 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", |
739 | err); | |
53c06f4e AK |
740 | fid = NULL; |
741 | goto error; | |
742 | } | |
743 | ||
744 | /* instantiate inode and assign the unopened fid to dentry */ | |
ed80fcfa | 745 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
53c06f4e AK |
746 | if (IS_ERR(inode)) { |
747 | err = PTR_ERR(inode); | |
5d385153 JP |
748 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", |
749 | err); | |
53c06f4e AK |
750 | goto error; |
751 | } | |
53c06f4e AK |
752 | err = v9fs_fid_add(dentry, fid); |
753 | if (err < 0) | |
754 | goto error; | |
5441ae5e | 755 | d_instantiate(dentry, inode); |
53c06f4e AK |
756 | fid = NULL; |
757 | } else { | |
758 | /* Not in cached mode. No need to populate inode with stat */ | |
45089142 | 759 | inode = v9fs_get_inode(dir->i_sb, S_IFLNK, 0); |
53c06f4e AK |
760 | if (IS_ERR(inode)) { |
761 | err = PTR_ERR(inode); | |
762 | goto error; | |
763 | } | |
53c06f4e AK |
764 | d_instantiate(dentry, inode); |
765 | } | |
766 | ||
767 | error: | |
768 | if (fid) | |
769 | p9_client_clunk(fid); | |
770 | ||
771 | return err; | |
772 | } | |
773 | ||
774 | /** | |
775 | * v9fs_vfs_link_dotl - create a hardlink for dotl | |
776 | * @old_dentry: dentry for file to link to | |
777 | * @dir: inode destination for new link | |
778 | * @dentry: dentry for link | |
779 | * | |
780 | */ | |
781 | ||
782 | static int | |
783 | v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir, | |
784 | struct dentry *dentry) | |
785 | { | |
786 | int err; | |
53c06f4e | 787 | char *name; |
53c06f4e | 788 | struct dentry *dir_dentry; |
d28c61f0 AK |
789 | struct p9_fid *dfid, *oldfid; |
790 | struct v9fs_session_info *v9ses; | |
53c06f4e | 791 | |
5d385153 JP |
792 | p9_debug(P9_DEBUG_VFS, "dir ino: %lu, old_name: %s, new_name: %s\n", |
793 | dir->i_ino, old_dentry->d_name.name, dentry->d_name.name); | |
53c06f4e AK |
794 | |
795 | v9ses = v9fs_inode2v9ses(dir); | |
796 | dir_dentry = v9fs_dentry_from_dir_inode(dir); | |
797 | dfid = v9fs_fid_lookup(dir_dentry); | |
798 | if (IS_ERR(dfid)) | |
799 | return PTR_ERR(dfid); | |
800 | ||
801 | oldfid = v9fs_fid_lookup(old_dentry); | |
802 | if (IS_ERR(oldfid)) | |
803 | return PTR_ERR(oldfid); | |
804 | ||
805 | name = (char *) dentry->d_name.name; | |
806 | ||
807 | err = p9_client_link(dfid, oldfid, (char *)dentry->d_name.name); | |
808 | ||
809 | if (err < 0) { | |
5d385153 | 810 | p9_debug(P9_DEBUG_VFS, "p9_client_link failed %d\n", err); |
53c06f4e AK |
811 | return err; |
812 | } | |
813 | ||
d28c61f0 | 814 | v9fs_invalidate_inode_attr(dir); |
53c06f4e AK |
815 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { |
816 | /* Get the latest stat info from server. */ | |
817 | struct p9_fid *fid; | |
53c06f4e AK |
818 | fid = v9fs_fid_lookup(old_dentry); |
819 | if (IS_ERR(fid)) | |
820 | return PTR_ERR(fid); | |
821 | ||
c06c066a | 822 | v9fs_refresh_inode_dotl(fid, old_dentry->d_inode); |
53c06f4e | 823 | } |
20656a49 | 824 | ihold(old_dentry->d_inode); |
53c06f4e AK |
825 | d_instantiate(dentry, old_dentry->d_inode); |
826 | ||
827 | return err; | |
828 | } | |
829 | ||
830 | /** | |
831 | * v9fs_vfs_mknod_dotl - create a special file | |
832 | * @dir: inode destination for new link | |
833 | * @dentry: dentry for file | |
834 | * @mode: mode for creation | |
835 | * @rdev: device associated with special file | |
836 | * | |
837 | */ | |
838 | static int | |
1a67aafb | 839 | v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, |
53c06f4e AK |
840 | dev_t rdev) |
841 | { | |
842 | int err; | |
d28c61f0 | 843 | gid_t gid; |
53c06f4e | 844 | char *name; |
d3fb6120 | 845 | umode_t mode; |
53c06f4e AK |
846 | struct v9fs_session_info *v9ses; |
847 | struct p9_fid *fid = NULL, *dfid = NULL; | |
848 | struct inode *inode; | |
53c06f4e AK |
849 | struct p9_qid qid; |
850 | struct dentry *dir_dentry; | |
851 | struct posix_acl *dacl = NULL, *pacl = NULL; | |
852 | ||
609eac1c | 853 | p9_debug(P9_DEBUG_VFS, " %lu,%s mode: %hx MAJOR: %u MINOR: %u\n", |
5d385153 JP |
854 | dir->i_ino, dentry->d_name.name, omode, |
855 | MAJOR(rdev), MINOR(rdev)); | |
53c06f4e AK |
856 | |
857 | if (!new_valid_dev(rdev)) | |
858 | return -EINVAL; | |
859 | ||
860 | v9ses = v9fs_inode2v9ses(dir); | |
861 | dir_dentry = v9fs_dentry_from_dir_inode(dir); | |
862 | dfid = v9fs_fid_lookup(dir_dentry); | |
863 | if (IS_ERR(dfid)) { | |
864 | err = PTR_ERR(dfid); | |
5d385153 | 865 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
53c06f4e AK |
866 | dfid = NULL; |
867 | goto error; | |
868 | } | |
869 | ||
870 | gid = v9fs_get_fsgid_for_create(dir); | |
871 | mode = omode; | |
872 | /* Update mode based on ACL value */ | |
873 | err = v9fs_acl_mode(dir, &mode, &dacl, &pacl); | |
874 | if (err) { | |
5d385153 JP |
875 | p9_debug(P9_DEBUG_VFS, "Failed to get acl values in mknod %d\n", |
876 | err); | |
53c06f4e AK |
877 | goto error; |
878 | } | |
879 | name = (char *) dentry->d_name.name; | |
880 | ||
881 | err = p9_client_mknod_dotl(dfid, name, mode, rdev, gid, &qid); | |
882 | if (err < 0) | |
883 | goto error; | |
884 | ||
d28c61f0 | 885 | v9fs_invalidate_inode_attr(dir); |
53c06f4e AK |
886 | /* instantiate inode and assign the unopened fid to the dentry */ |
887 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { | |
888 | fid = p9_client_walk(dfid, 1, &name, 1); | |
889 | if (IS_ERR(fid)) { | |
890 | err = PTR_ERR(fid); | |
5d385153 JP |
891 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", |
892 | err); | |
53c06f4e AK |
893 | fid = NULL; |
894 | goto error; | |
895 | } | |
896 | ||
ed80fcfa | 897 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
53c06f4e AK |
898 | if (IS_ERR(inode)) { |
899 | err = PTR_ERR(inode); | |
5d385153 JP |
900 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", |
901 | err); | |
53c06f4e AK |
902 | goto error; |
903 | } | |
53c06f4e AK |
904 | err = v9fs_fid_add(dentry, fid); |
905 | if (err < 0) | |
906 | goto error; | |
5441ae5e | 907 | d_instantiate(dentry, inode); |
53c06f4e AK |
908 | fid = NULL; |
909 | } else { | |
910 | /* | |
911 | * Not in cached mode. No need to populate inode with stat. | |
912 | * socket syscall returns a fd, so we need instantiate | |
913 | */ | |
45089142 | 914 | inode = v9fs_get_inode(dir->i_sb, mode, rdev); |
53c06f4e AK |
915 | if (IS_ERR(inode)) { |
916 | err = PTR_ERR(inode); | |
917 | goto error; | |
918 | } | |
53c06f4e AK |
919 | d_instantiate(dentry, inode); |
920 | } | |
921 | /* Now set the ACL based on the default value */ | |
1ec95bf3 | 922 | v9fs_set_create_acl(dentry, &dacl, &pacl); |
53c06f4e AK |
923 | error: |
924 | if (fid) | |
925 | p9_client_clunk(fid); | |
1ec95bf3 | 926 | v9fs_set_create_acl(NULL, &dacl, &pacl); |
53c06f4e AK |
927 | return err; |
928 | } | |
929 | ||
53c06f4e AK |
930 | /** |
931 | * v9fs_vfs_follow_link_dotl - follow a symlink path | |
932 | * @dentry: dentry for symlink | |
933 | * @nd: nameidata | |
934 | * | |
935 | */ | |
936 | ||
937 | static void * | |
938 | v9fs_vfs_follow_link_dotl(struct dentry *dentry, struct nameidata *nd) | |
939 | { | |
31b6ceac MK |
940 | int retval; |
941 | struct p9_fid *fid; | |
53c06f4e | 942 | char *link = __getname(); |
31b6ceac | 943 | char *target; |
53c06f4e | 944 | |
5d385153 | 945 | p9_debug(P9_DEBUG_VFS, "%s\n", dentry->d_name.name); |
53c06f4e | 946 | |
31b6ceac | 947 | if (!link) { |
53c06f4e | 948 | link = ERR_PTR(-ENOMEM); |
31b6ceac | 949 | goto ndset; |
53c06f4e | 950 | } |
31b6ceac MK |
951 | fid = v9fs_fid_lookup(dentry); |
952 | if (IS_ERR(fid)) { | |
953 | __putname(link); | |
936bb2d7 | 954 | link = ERR_CAST(fid); |
31b6ceac MK |
955 | goto ndset; |
956 | } | |
957 | retval = p9_client_readlink(fid, &target); | |
958 | if (!retval) { | |
959 | strcpy(link, target); | |
960 | kfree(target); | |
961 | goto ndset; | |
962 | } | |
963 | __putname(link); | |
964 | link = ERR_PTR(retval); | |
965 | ndset: | |
53c06f4e | 966 | nd_set_link(nd, link); |
53c06f4e AK |
967 | return NULL; |
968 | } | |
969 | ||
b3cbea03 AK |
970 | int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode) |
971 | { | |
972 | loff_t i_size; | |
973 | struct p9_stat_dotl *st; | |
974 | struct v9fs_session_info *v9ses; | |
975 | ||
976 | v9ses = v9fs_inode2v9ses(inode); | |
977 | st = p9_client_getattr_dotl(fid, P9_STATS_ALL); | |
978 | if (IS_ERR(st)) | |
979 | return PTR_ERR(st); | |
45089142 AK |
980 | /* |
981 | * Don't update inode if the file type is different | |
982 | */ | |
983 | if ((inode->i_mode & S_IFMT) != (st->st_mode & S_IFMT)) | |
984 | goto out; | |
b3cbea03 AK |
985 | |
986 | spin_lock(&inode->i_lock); | |
987 | /* | |
988 | * We don't want to refresh inode->i_size, | |
989 | * because we may have cached data | |
990 | */ | |
991 | i_size = inode->i_size; | |
992 | v9fs_stat2inode_dotl(st, inode); | |
993 | if (v9ses->cache) | |
994 | inode->i_size = i_size; | |
995 | spin_unlock(&inode->i_lock); | |
45089142 | 996 | out: |
b3cbea03 AK |
997 | kfree(st); |
998 | return 0; | |
999 | } | |
1000 | ||
53c06f4e AK |
1001 | const struct inode_operations v9fs_dir_inode_operations_dotl = { |
1002 | .create = v9fs_vfs_create_dotl, | |
1003 | .lookup = v9fs_vfs_lookup, | |
1004 | .link = v9fs_vfs_link_dotl, | |
1005 | .symlink = v9fs_vfs_symlink_dotl, | |
1006 | .unlink = v9fs_vfs_unlink, | |
1007 | .mkdir = v9fs_vfs_mkdir_dotl, | |
1008 | .rmdir = v9fs_vfs_rmdir, | |
1009 | .mknod = v9fs_vfs_mknod_dotl, | |
1010 | .rename = v9fs_vfs_rename, | |
1011 | .getattr = v9fs_vfs_getattr_dotl, | |
1012 | .setattr = v9fs_vfs_setattr_dotl, | |
1013 | .setxattr = generic_setxattr, | |
1014 | .getxattr = generic_getxattr, | |
1015 | .removexattr = generic_removexattr, | |
1016 | .listxattr = v9fs_listxattr, | |
4e34e719 | 1017 | .get_acl = v9fs_iop_get_acl, |
53c06f4e AK |
1018 | }; |
1019 | ||
1020 | const struct inode_operations v9fs_file_inode_operations_dotl = { | |
1021 | .getattr = v9fs_vfs_getattr_dotl, | |
1022 | .setattr = v9fs_vfs_setattr_dotl, | |
1023 | .setxattr = generic_setxattr, | |
1024 | .getxattr = generic_getxattr, | |
1025 | .removexattr = generic_removexattr, | |
1026 | .listxattr = v9fs_listxattr, | |
4e34e719 | 1027 | .get_acl = v9fs_iop_get_acl, |
53c06f4e AK |
1028 | }; |
1029 | ||
1030 | const struct inode_operations v9fs_symlink_inode_operations_dotl = { | |
31b6ceac | 1031 | .readlink = generic_readlink, |
53c06f4e AK |
1032 | .follow_link = v9fs_vfs_follow_link_dotl, |
1033 | .put_link = v9fs_vfs_put_link, | |
1034 | .getattr = v9fs_vfs_getattr_dotl, | |
1035 | .setattr = v9fs_vfs_setattr_dotl, | |
1036 | .setxattr = generic_setxattr, | |
1037 | .getxattr = generic_getxattr, | |
1038 | .removexattr = generic_removexattr, | |
1039 | .listxattr = v9fs_listxattr, | |
1040 | }; |