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 | ||
fd2421f5 AK |
71 | static int v9fs_test_inode_dotl(struct inode *inode, void *data) |
72 | { | |
73 | struct v9fs_inode *v9inode = V9FS_I(inode); | |
74 | struct p9_stat_dotl *st = (struct p9_stat_dotl *)data; | |
75 | ||
76 | /* don't match inode of different type */ | |
77 | if ((inode->i_mode & S_IFMT) != (st->st_mode & S_IFMT)) | |
78 | return 0; | |
79 | ||
80 | if (inode->i_generation != st->st_gen) | |
81 | return 0; | |
82 | ||
83 | /* compare qid details */ | |
84 | if (memcmp(&v9inode->qid.version, | |
85 | &st->qid.version, sizeof(v9inode->qid.version))) | |
86 | return 0; | |
87 | ||
88 | if (v9inode->qid.type != st->qid.type) | |
89 | return 0; | |
90 | return 1; | |
91 | } | |
92 | ||
ed80fcfa AK |
93 | /* Always get a new inode */ |
94 | static int v9fs_test_new_inode_dotl(struct inode *inode, void *data) | |
95 | { | |
96 | return 0; | |
97 | } | |
98 | ||
fd2421f5 AK |
99 | static int v9fs_set_inode_dotl(struct inode *inode, void *data) |
100 | { | |
101 | struct v9fs_inode *v9inode = V9FS_I(inode); | |
102 | struct p9_stat_dotl *st = (struct p9_stat_dotl *)data; | |
103 | ||
104 | memcpy(&v9inode->qid, &st->qid, sizeof(st->qid)); | |
105 | inode->i_generation = st->st_gen; | |
106 | return 0; | |
107 | } | |
108 | ||
5ffc0cb3 AK |
109 | static struct inode *v9fs_qid_iget_dotl(struct super_block *sb, |
110 | struct p9_qid *qid, | |
111 | struct p9_fid *fid, | |
ed80fcfa AK |
112 | struct p9_stat_dotl *st, |
113 | int new) | |
5ffc0cb3 AK |
114 | { |
115 | int retval; | |
116 | unsigned long i_ino; | |
117 | struct inode *inode; | |
118 | struct v9fs_session_info *v9ses = sb->s_fs_info; | |
ed80fcfa AK |
119 | int (*test)(struct inode *, void *); |
120 | ||
121 | if (new) | |
122 | test = v9fs_test_new_inode_dotl; | |
123 | else | |
124 | test = v9fs_test_inode_dotl; | |
5ffc0cb3 AK |
125 | |
126 | i_ino = v9fs_qid2ino(qid); | |
ed80fcfa | 127 | inode = iget5_locked(sb, i_ino, test, v9fs_set_inode_dotl, st); |
5ffc0cb3 AK |
128 | if (!inode) |
129 | return ERR_PTR(-ENOMEM); | |
130 | if (!(inode->i_state & I_NEW)) | |
131 | return inode; | |
132 | /* | |
133 | * initialize the inode with the stat info | |
134 | * FIXME!! we may need support for stale inodes | |
135 | * later. | |
136 | */ | |
fd2421f5 | 137 | inode->i_ino = i_ino; |
45089142 AK |
138 | retval = v9fs_init_inode(v9ses, inode, |
139 | st->st_mode, new_decode_dev(st->st_rdev)); | |
5ffc0cb3 AK |
140 | if (retval) |
141 | goto error; | |
142 | ||
143 | v9fs_stat2inode_dotl(st, inode); | |
144 | #ifdef CONFIG_9P_FSCACHE | |
5ffc0cb3 AK |
145 | v9fs_cache_inode_get_cookie(inode); |
146 | #endif | |
147 | retval = v9fs_get_acl(inode, fid); | |
148 | if (retval) | |
149 | goto error; | |
150 | ||
151 | unlock_new_inode(inode); | |
152 | return inode; | |
153 | error: | |
154 | unlock_new_inode(inode); | |
155 | iput(inode); | |
156 | return ERR_PTR(retval); | |
157 | ||
158 | } | |
159 | ||
53c06f4e | 160 | struct inode * |
a78ce05d | 161 | v9fs_inode_from_fid_dotl(struct v9fs_session_info *v9ses, struct p9_fid *fid, |
ed80fcfa | 162 | struct super_block *sb, int new) |
53c06f4e | 163 | { |
53c06f4e | 164 | struct p9_stat_dotl *st; |
5ffc0cb3 | 165 | struct inode *inode = NULL; |
53c06f4e | 166 | |
fd2421f5 | 167 | st = p9_client_getattr_dotl(fid, P9_STATS_BASIC | P9_STATS_GEN); |
53c06f4e AK |
168 | if (IS_ERR(st)) |
169 | return ERR_CAST(st); | |
170 | ||
ed80fcfa | 171 | inode = v9fs_qid_iget_dotl(sb, &st->qid, fid, st, new); |
53c06f4e | 172 | kfree(st); |
5ffc0cb3 | 173 | return inode; |
53c06f4e AK |
174 | } |
175 | ||
f88657ce AK |
176 | struct dotl_openflag_map { |
177 | int open_flag; | |
178 | int dotl_flag; | |
179 | }; | |
180 | ||
181 | static int v9fs_mapped_dotl_flags(int flags) | |
182 | { | |
183 | int i; | |
184 | int rflags = 0; | |
185 | struct dotl_openflag_map dotl_oflag_map[] = { | |
186 | { O_CREAT, P9_DOTL_CREATE }, | |
187 | { O_EXCL, P9_DOTL_EXCL }, | |
188 | { O_NOCTTY, P9_DOTL_NOCTTY }, | |
189 | { O_TRUNC, P9_DOTL_TRUNC }, | |
190 | { O_APPEND, P9_DOTL_APPEND }, | |
191 | { O_NONBLOCK, P9_DOTL_NONBLOCK }, | |
192 | { O_DSYNC, P9_DOTL_DSYNC }, | |
193 | { FASYNC, P9_DOTL_FASYNC }, | |
194 | { O_DIRECT, P9_DOTL_DIRECT }, | |
195 | { O_LARGEFILE, P9_DOTL_LARGEFILE }, | |
196 | { O_DIRECTORY, P9_DOTL_DIRECTORY }, | |
197 | { O_NOFOLLOW, P9_DOTL_NOFOLLOW }, | |
198 | { O_NOATIME, P9_DOTL_NOATIME }, | |
199 | { O_CLOEXEC, P9_DOTL_CLOEXEC }, | |
200 | { O_SYNC, P9_DOTL_SYNC}, | |
201 | }; | |
202 | for (i = 0; i < ARRAY_SIZE(dotl_oflag_map); i++) { | |
203 | if (flags & dotl_oflag_map[i].open_flag) | |
204 | rflags |= dotl_oflag_map[i].dotl_flag; | |
205 | } | |
206 | return rflags; | |
207 | } | |
208 | ||
209 | /** | |
210 | * v9fs_open_to_dotl_flags- convert Linux specific open flags to | |
211 | * plan 9 open flag. | |
212 | * @flags: flags to convert | |
213 | */ | |
214 | int v9fs_open_to_dotl_flags(int flags) | |
215 | { | |
216 | int rflags = 0; | |
217 | ||
218 | /* | |
219 | * We have same bits for P9_DOTL_READONLY, P9_DOTL_WRONLY | |
220 | * and P9_DOTL_NOACCESS | |
221 | */ | |
222 | rflags |= flags & O_ACCMODE; | |
223 | rflags |= v9fs_mapped_dotl_flags(flags); | |
224 | ||
225 | return rflags; | |
226 | } | |
227 | ||
53c06f4e AK |
228 | /** |
229 | * v9fs_vfs_create_dotl - VFS hook to create files for 9P2000.L protocol. | |
230 | * @dir: directory inode that is being created | |
231 | * @dentry: dentry that is being deleted | |
232 | * @mode: create permissions | |
53c06f4e AK |
233 | * |
234 | */ | |
235 | ||
236 | static int | |
4acdaf27 | 237 | v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, |
53c06f4e | 238 | struct nameidata *nd) |
e43ae79c MS |
239 | { |
240 | return v9fs_vfs_mknod_dotl(dir, dentry, omode, 0); | |
241 | } | |
242 | ||
d9585277 | 243 | static int |
e43ae79c | 244 | v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry, |
30d90494 | 245 | struct file *file, unsigned flags, umode_t omode, |
47237687 | 246 | int *opened) |
53c06f4e AK |
247 | { |
248 | int err = 0; | |
53c06f4e | 249 | gid_t gid; |
d3fb6120 | 250 | umode_t mode; |
6b39f6d2 | 251 | char *name = NULL; |
53c06f4e AK |
252 | struct p9_qid qid; |
253 | struct inode *inode; | |
6b39f6d2 AK |
254 | struct p9_fid *fid = NULL; |
255 | struct v9fs_inode *v9inode; | |
256 | struct p9_fid *dfid, *ofid, *inode_fid; | |
257 | struct v9fs_session_info *v9ses; | |
53c06f4e | 258 | struct posix_acl *pacl = NULL, *dacl = NULL; |
e43ae79c | 259 | struct dentry *res = NULL; |
53c06f4e | 260 | |
e43ae79c MS |
261 | if (d_unhashed(dentry)) { |
262 | res = v9fs_vfs_lookup(dir, dentry, NULL); | |
263 | if (IS_ERR(res)) | |
d9585277 | 264 | return PTR_ERR(res); |
e43ae79c MS |
265 | |
266 | if (res) | |
267 | dentry = res; | |
268 | } | |
269 | ||
270 | /* Only creates */ | |
e45198a6 AV |
271 | if (!(flags & O_CREAT) || dentry->d_inode) |
272 | return finish_no_open(file, res); | |
53c06f4e | 273 | |
e43ae79c MS |
274 | v9ses = v9fs_inode2v9ses(dir); |
275 | ||
53c06f4e | 276 | name = (char *) dentry->d_name.name; |
609eac1c | 277 | p9_debug(P9_DEBUG_VFS, "name:%s flags:0x%x mode:0x%hx\n", |
5d385153 | 278 | name, flags, omode); |
53c06f4e AK |
279 | |
280 | dfid = v9fs_fid_lookup(dentry->d_parent); | |
281 | if (IS_ERR(dfid)) { | |
282 | err = PTR_ERR(dfid); | |
5d385153 | 283 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
d9585277 | 284 | goto out; |
53c06f4e AK |
285 | } |
286 | ||
287 | /* clone a fid to use for creation */ | |
288 | ofid = p9_client_walk(dfid, 0, NULL, 1); | |
289 | if (IS_ERR(ofid)) { | |
290 | err = PTR_ERR(ofid); | |
5d385153 | 291 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err); |
d9585277 | 292 | goto out; |
53c06f4e AK |
293 | } |
294 | ||
295 | gid = v9fs_get_fsgid_for_create(dir); | |
296 | ||
297 | mode = omode; | |
298 | /* Update mode based on ACL value */ | |
299 | err = v9fs_acl_mode(dir, &mode, &dacl, &pacl); | |
300 | if (err) { | |
5d385153 JP |
301 | p9_debug(P9_DEBUG_VFS, "Failed to get acl values in creat %d\n", |
302 | err); | |
53c06f4e AK |
303 | goto error; |
304 | } | |
f88657ce AK |
305 | err = p9_client_create_dotl(ofid, name, v9fs_open_to_dotl_flags(flags), |
306 | mode, gid, &qid); | |
53c06f4e | 307 | if (err < 0) { |
5d385153 JP |
308 | p9_debug(P9_DEBUG_VFS, "p9_client_open_dotl failed in creat %d\n", |
309 | err); | |
53c06f4e AK |
310 | goto error; |
311 | } | |
d28c61f0 | 312 | v9fs_invalidate_inode_attr(dir); |
53c06f4e | 313 | |
af7542fc AK |
314 | /* instantiate inode and assign the unopened fid to the dentry */ |
315 | fid = p9_client_walk(dfid, 1, &name, 1); | |
316 | if (IS_ERR(fid)) { | |
317 | err = PTR_ERR(fid); | |
5d385153 | 318 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err); |
53c06f4e | 319 | fid = NULL; |
af7542fc | 320 | goto error; |
53c06f4e | 321 | } |
ed80fcfa | 322 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
af7542fc AK |
323 | if (IS_ERR(inode)) { |
324 | err = PTR_ERR(inode); | |
5d385153 | 325 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", err); |
af7542fc AK |
326 | goto error; |
327 | } | |
af7542fc AK |
328 | err = v9fs_fid_add(dentry, fid); |
329 | if (err < 0) | |
330 | goto error; | |
5441ae5e | 331 | d_instantiate(dentry, inode); |
af7542fc | 332 | |
53c06f4e | 333 | /* Now set the ACL based on the default value */ |
1ec95bf3 | 334 | v9fs_set_create_acl(dentry, &dacl, &pacl); |
6b39f6d2 AK |
335 | |
336 | v9inode = V9FS_I(inode); | |
5a7e0a8c | 337 | mutex_lock(&v9inode->v_mutex); |
7add697a AK |
338 | if (v9ses->cache && !v9inode->writeback_fid && |
339 | ((flags & O_ACCMODE) != O_RDONLY)) { | |
3cf387d7 | 340 | /* |
6b39f6d2 | 341 | * clone a fid and add it to writeback_fid |
3cf387d7 AK |
342 | * we do it during open time instead of |
343 | * page dirty time via write_begin/page_mkwrite | |
344 | * because we want write after unlink usecase | |
345 | * to work. | |
346 | */ | |
347 | inode_fid = v9fs_writeback_fid(dentry); | |
348 | if (IS_ERR(inode_fid)) { | |
349 | err = PTR_ERR(inode_fid); | |
5a7e0a8c | 350 | mutex_unlock(&v9inode->v_mutex); |
398c4f0e | 351 | goto err_clunk_old_fid; |
3cf387d7 | 352 | } |
6b39f6d2 | 353 | v9inode->writeback_fid = (void *) inode_fid; |
3cf387d7 | 354 | } |
5a7e0a8c | 355 | mutex_unlock(&v9inode->v_mutex); |
af7542fc | 356 | /* Since we are opening a file, assign the open fid to the file */ |
30d90494 AV |
357 | err = finish_open(file, dentry, generic_file_open, opened); |
358 | if (err) | |
398c4f0e | 359 | goto err_clunk_old_fid; |
30d90494 | 360 | file->private_data = ofid; |
46848de0 AK |
361 | #ifdef CONFIG_9P_FSCACHE |
362 | if (v9ses->cache) | |
30d90494 | 363 | v9fs_cache_inode_set_cookie(inode, file); |
46848de0 | 364 | #endif |
47237687 | 365 | *opened |= FILE_CREATED; |
e43ae79c MS |
366 | out: |
367 | dput(res); | |
d9585277 | 368 | return err; |
53c06f4e AK |
369 | |
370 | error: | |
53c06f4e AK |
371 | if (fid) |
372 | p9_client_clunk(fid); | |
398c4f0e AK |
373 | err_clunk_old_fid: |
374 | if (ofid) | |
375 | p9_client_clunk(ofid); | |
1ec95bf3 | 376 | v9fs_set_create_acl(NULL, &dacl, &pacl); |
e43ae79c | 377 | goto out; |
53c06f4e AK |
378 | } |
379 | ||
380 | /** | |
381 | * v9fs_vfs_mkdir_dotl - VFS mkdir hook to create a directory | |
382 | * @dir: inode that is being unlinked | |
383 | * @dentry: dentry that is being unlinked | |
384 | * @mode: mode for new directory | |
385 | * | |
386 | */ | |
387 | ||
388 | static int v9fs_vfs_mkdir_dotl(struct inode *dir, | |
18bb1db3 | 389 | struct dentry *dentry, umode_t omode) |
53c06f4e AK |
390 | { |
391 | int err; | |
392 | struct v9fs_session_info *v9ses; | |
393 | struct p9_fid *fid = NULL, *dfid = NULL; | |
394 | gid_t gid; | |
395 | char *name; | |
d3fb6120 | 396 | umode_t mode; |
53c06f4e AK |
397 | struct inode *inode; |
398 | struct p9_qid qid; | |
399 | struct dentry *dir_dentry; | |
400 | struct posix_acl *dacl = NULL, *pacl = NULL; | |
401 | ||
5d385153 | 402 | p9_debug(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name); |
53c06f4e AK |
403 | err = 0; |
404 | v9ses = v9fs_inode2v9ses(dir); | |
405 | ||
406 | omode |= S_IFDIR; | |
407 | if (dir->i_mode & S_ISGID) | |
408 | omode |= S_ISGID; | |
409 | ||
af569596 | 410 | dir_dentry = dentry->d_parent; |
53c06f4e AK |
411 | dfid = v9fs_fid_lookup(dir_dentry); |
412 | if (IS_ERR(dfid)) { | |
413 | err = PTR_ERR(dfid); | |
5d385153 | 414 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
53c06f4e AK |
415 | dfid = NULL; |
416 | goto error; | |
417 | } | |
418 | ||
419 | gid = v9fs_get_fsgid_for_create(dir); | |
420 | mode = omode; | |
421 | /* Update mode based on ACL value */ | |
422 | err = v9fs_acl_mode(dir, &mode, &dacl, &pacl); | |
423 | if (err) { | |
5d385153 JP |
424 | p9_debug(P9_DEBUG_VFS, "Failed to get acl values in mkdir %d\n", |
425 | err); | |
53c06f4e AK |
426 | goto error; |
427 | } | |
428 | name = (char *) dentry->d_name.name; | |
429 | err = p9_client_mkdir_dotl(dfid, name, mode, gid, &qid); | |
430 | if (err < 0) | |
431 | goto error; | |
432 | ||
433 | /* instantiate inode and assign the unopened fid to the dentry */ | |
434 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { | |
435 | fid = p9_client_walk(dfid, 1, &name, 1); | |
436 | if (IS_ERR(fid)) { | |
437 | err = PTR_ERR(fid); | |
5d385153 JP |
438 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", |
439 | err); | |
53c06f4e AK |
440 | fid = NULL; |
441 | goto error; | |
442 | } | |
443 | ||
ed80fcfa | 444 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
53c06f4e AK |
445 | if (IS_ERR(inode)) { |
446 | err = PTR_ERR(inode); | |
5d385153 JP |
447 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", |
448 | err); | |
53c06f4e AK |
449 | goto error; |
450 | } | |
53c06f4e AK |
451 | err = v9fs_fid_add(dentry, fid); |
452 | if (err < 0) | |
453 | goto error; | |
5441ae5e | 454 | d_instantiate(dentry, inode); |
53c06f4e AK |
455 | fid = NULL; |
456 | } else { | |
457 | /* | |
458 | * Not in cached mode. No need to populate | |
459 | * inode with stat. We need to get an inode | |
460 | * so that we can set the acl with dentry | |
461 | */ | |
45089142 | 462 | inode = v9fs_get_inode(dir->i_sb, mode, 0); |
53c06f4e AK |
463 | if (IS_ERR(inode)) { |
464 | err = PTR_ERR(inode); | |
465 | goto error; | |
466 | } | |
53c06f4e AK |
467 | d_instantiate(dentry, inode); |
468 | } | |
469 | /* Now set the ACL based on the default value */ | |
1ec95bf3 | 470 | v9fs_set_create_acl(dentry, &dacl, &pacl); |
b271ec47 | 471 | inc_nlink(dir); |
d28c61f0 | 472 | v9fs_invalidate_inode_attr(dir); |
53c06f4e AK |
473 | error: |
474 | if (fid) | |
475 | p9_client_clunk(fid); | |
1ec95bf3 | 476 | v9fs_set_create_acl(NULL, &dacl, &pacl); |
53c06f4e AK |
477 | return err; |
478 | } | |
479 | ||
480 | static int | |
481 | v9fs_vfs_getattr_dotl(struct vfsmount *mnt, struct dentry *dentry, | |
482 | struct kstat *stat) | |
483 | { | |
484 | int err; | |
485 | struct v9fs_session_info *v9ses; | |
486 | struct p9_fid *fid; | |
487 | struct p9_stat_dotl *st; | |
488 | ||
5d385153 | 489 | p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry); |
53c06f4e | 490 | err = -EPERM; |
42869c8a | 491 | v9ses = v9fs_dentry2v9ses(dentry); |
a1211908 AK |
492 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { |
493 | generic_fillattr(dentry->d_inode, stat); | |
494 | return 0; | |
495 | } | |
53c06f4e AK |
496 | fid = v9fs_fid_lookup(dentry); |
497 | if (IS_ERR(fid)) | |
498 | return PTR_ERR(fid); | |
499 | ||
500 | /* Ask for all the fields in stat structure. Server will return | |
501 | * whatever it supports | |
502 | */ | |
503 | ||
504 | st = p9_client_getattr_dotl(fid, P9_STATS_ALL); | |
505 | if (IS_ERR(st)) | |
506 | return PTR_ERR(st); | |
507 | ||
508 | v9fs_stat2inode_dotl(st, dentry->d_inode); | |
509 | generic_fillattr(dentry->d_inode, stat); | |
510 | /* Change block size to what the server returned */ | |
511 | stat->blksize = st->st_blksize; | |
512 | ||
513 | kfree(st); | |
514 | return 0; | |
515 | } | |
516 | ||
f766619d AK |
517 | /* |
518 | * Attribute flags. | |
519 | */ | |
520 | #define P9_ATTR_MODE (1 << 0) | |
521 | #define P9_ATTR_UID (1 << 1) | |
522 | #define P9_ATTR_GID (1 << 2) | |
523 | #define P9_ATTR_SIZE (1 << 3) | |
524 | #define P9_ATTR_ATIME (1 << 4) | |
525 | #define P9_ATTR_MTIME (1 << 5) | |
526 | #define P9_ATTR_CTIME (1 << 6) | |
527 | #define P9_ATTR_ATIME_SET (1 << 7) | |
528 | #define P9_ATTR_MTIME_SET (1 << 8) | |
529 | ||
530 | struct dotl_iattr_map { | |
531 | int iattr_valid; | |
532 | int p9_iattr_valid; | |
533 | }; | |
534 | ||
535 | static int v9fs_mapped_iattr_valid(int iattr_valid) | |
536 | { | |
537 | int i; | |
538 | int p9_iattr_valid = 0; | |
539 | struct dotl_iattr_map dotl_iattr_map[] = { | |
540 | { ATTR_MODE, P9_ATTR_MODE }, | |
541 | { ATTR_UID, P9_ATTR_UID }, | |
542 | { ATTR_GID, P9_ATTR_GID }, | |
543 | { ATTR_SIZE, P9_ATTR_SIZE }, | |
544 | { ATTR_ATIME, P9_ATTR_ATIME }, | |
545 | { ATTR_MTIME, P9_ATTR_MTIME }, | |
546 | { ATTR_CTIME, P9_ATTR_CTIME }, | |
547 | { ATTR_ATIME_SET, P9_ATTR_ATIME_SET }, | |
548 | { ATTR_MTIME_SET, P9_ATTR_MTIME_SET }, | |
549 | }; | |
550 | for (i = 0; i < ARRAY_SIZE(dotl_iattr_map); i++) { | |
551 | if (iattr_valid & dotl_iattr_map[i].iattr_valid) | |
552 | p9_iattr_valid |= dotl_iattr_map[i].p9_iattr_valid; | |
553 | } | |
554 | return p9_iattr_valid; | |
555 | } | |
556 | ||
53c06f4e AK |
557 | /** |
558 | * v9fs_vfs_setattr_dotl - set file metadata | |
559 | * @dentry: file whose metadata to set | |
560 | * @iattr: metadata assignment structure | |
561 | * | |
562 | */ | |
563 | ||
564 | int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) | |
565 | { | |
566 | int retval; | |
567 | struct v9fs_session_info *v9ses; | |
568 | struct p9_fid *fid; | |
569 | struct p9_iattr_dotl p9attr; | |
570 | ||
5d385153 | 571 | p9_debug(P9_DEBUG_VFS, "\n"); |
53c06f4e AK |
572 | |
573 | retval = inode_change_ok(dentry->d_inode, iattr); | |
574 | if (retval) | |
575 | return retval; | |
576 | ||
f766619d | 577 | p9attr.valid = v9fs_mapped_iattr_valid(iattr->ia_valid); |
53c06f4e AK |
578 | p9attr.mode = iattr->ia_mode; |
579 | p9attr.uid = iattr->ia_uid; | |
580 | p9attr.gid = iattr->ia_gid; | |
581 | p9attr.size = iattr->ia_size; | |
582 | p9attr.atime_sec = iattr->ia_atime.tv_sec; | |
583 | p9attr.atime_nsec = iattr->ia_atime.tv_nsec; | |
584 | p9attr.mtime_sec = iattr->ia_mtime.tv_sec; | |
585 | p9attr.mtime_nsec = iattr->ia_mtime.tv_nsec; | |
586 | ||
587 | retval = -EPERM; | |
42869c8a | 588 | v9ses = v9fs_dentry2v9ses(dentry); |
53c06f4e AK |
589 | fid = v9fs_fid_lookup(dentry); |
590 | if (IS_ERR(fid)) | |
591 | return PTR_ERR(fid); | |
592 | ||
3dc5436a AK |
593 | /* Write all dirty data */ |
594 | if (S_ISREG(dentry->d_inode->i_mode)) | |
595 | filemap_write_and_wait(dentry->d_inode->i_mapping); | |
596 | ||
f10fc50f AK |
597 | retval = p9_client_setattr(fid, &p9attr); |
598 | if (retval < 0) | |
599 | return retval; | |
53c06f4e | 600 | |
059c138b AK |
601 | if ((iattr->ia_valid & ATTR_SIZE) && |
602 | iattr->ia_size != i_size_read(dentry->d_inode)) | |
603 | truncate_setsize(dentry->d_inode, iattr->ia_size); | |
604 | ||
605 | v9fs_invalidate_inode_attr(dentry->d_inode); | |
53c06f4e AK |
606 | setattr_copy(dentry->d_inode, iattr); |
607 | mark_inode_dirty(dentry->d_inode); | |
608 | if (iattr->ia_valid & ATTR_MODE) { | |
609 | /* We also want to update ACL when we update mode bits */ | |
610 | retval = v9fs_acl_chmod(dentry); | |
611 | if (retval < 0) | |
612 | return retval; | |
613 | } | |
614 | return 0; | |
615 | } | |
616 | ||
617 | /** | |
618 | * v9fs_stat2inode_dotl - populate an inode structure with stat info | |
619 | * @stat: stat structure | |
620 | * @inode: inode to populate | |
621 | * @sb: superblock of filesystem | |
622 | * | |
623 | */ | |
624 | ||
625 | void | |
626 | v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode) | |
627 | { | |
3eda0de6 | 628 | umode_t mode; |
b3cbea03 | 629 | struct v9fs_inode *v9inode = V9FS_I(inode); |
53c06f4e AK |
630 | |
631 | if ((stat->st_result_mask & P9_STATS_BASIC) == P9_STATS_BASIC) { | |
632 | inode->i_atime.tv_sec = stat->st_atime_sec; | |
633 | inode->i_atime.tv_nsec = stat->st_atime_nsec; | |
634 | inode->i_mtime.tv_sec = stat->st_mtime_sec; | |
635 | inode->i_mtime.tv_nsec = stat->st_mtime_nsec; | |
636 | inode->i_ctime.tv_sec = stat->st_ctime_sec; | |
637 | inode->i_ctime.tv_nsec = stat->st_ctime_nsec; | |
638 | inode->i_uid = stat->st_uid; | |
639 | inode->i_gid = stat->st_gid; | |
bfe86848 | 640 | set_nlink(inode, stat->st_nlink); |
53c06f4e | 641 | |
45089142 AK |
642 | mode = stat->st_mode & S_IALLUGO; |
643 | mode |= inode->i_mode & ~S_IALLUGO; | |
644 | inode->i_mode = mode; | |
53c06f4e AK |
645 | |
646 | i_size_write(inode, stat->st_size); | |
647 | inode->i_blocks = stat->st_blocks; | |
648 | } else { | |
649 | if (stat->st_result_mask & P9_STATS_ATIME) { | |
650 | inode->i_atime.tv_sec = stat->st_atime_sec; | |
651 | inode->i_atime.tv_nsec = stat->st_atime_nsec; | |
652 | } | |
653 | if (stat->st_result_mask & P9_STATS_MTIME) { | |
654 | inode->i_mtime.tv_sec = stat->st_mtime_sec; | |
655 | inode->i_mtime.tv_nsec = stat->st_mtime_nsec; | |
656 | } | |
657 | if (stat->st_result_mask & P9_STATS_CTIME) { | |
658 | inode->i_ctime.tv_sec = stat->st_ctime_sec; | |
659 | inode->i_ctime.tv_nsec = stat->st_ctime_nsec; | |
660 | } | |
661 | if (stat->st_result_mask & P9_STATS_UID) | |
662 | inode->i_uid = stat->st_uid; | |
663 | if (stat->st_result_mask & P9_STATS_GID) | |
664 | inode->i_gid = stat->st_gid; | |
665 | if (stat->st_result_mask & P9_STATS_NLINK) | |
bfe86848 | 666 | set_nlink(inode, stat->st_nlink); |
53c06f4e AK |
667 | if (stat->st_result_mask & P9_STATS_MODE) { |
668 | inode->i_mode = stat->st_mode; | |
669 | if ((S_ISBLK(inode->i_mode)) || | |
670 | (S_ISCHR(inode->i_mode))) | |
671 | init_special_inode(inode, inode->i_mode, | |
672 | inode->i_rdev); | |
673 | } | |
674 | if (stat->st_result_mask & P9_STATS_RDEV) | |
675 | inode->i_rdev = new_decode_dev(stat->st_rdev); | |
676 | if (stat->st_result_mask & P9_STATS_SIZE) | |
677 | i_size_write(inode, stat->st_size); | |
678 | if (stat->st_result_mask & P9_STATS_BLOCKS) | |
679 | inode->i_blocks = stat->st_blocks; | |
680 | } | |
681 | if (stat->st_result_mask & P9_STATS_GEN) | |
fd2421f5 | 682 | inode->i_generation = stat->st_gen; |
53c06f4e AK |
683 | |
684 | /* Currently we don't support P9_STATS_BTIME and P9_STATS_DATA_VERSION | |
685 | * because the inode structure does not have fields for them. | |
686 | */ | |
b3cbea03 | 687 | v9inode->cache_validity &= ~V9FS_INO_INVALID_ATTR; |
53c06f4e AK |
688 | } |
689 | ||
690 | static int | |
691 | v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry, | |
692 | const char *symname) | |
693 | { | |
53c06f4e AK |
694 | int err; |
695 | gid_t gid; | |
d28c61f0 AK |
696 | char *name; |
697 | struct p9_qid qid; | |
698 | struct inode *inode; | |
699 | struct p9_fid *dfid; | |
700 | struct p9_fid *fid = NULL; | |
701 | struct v9fs_session_info *v9ses; | |
53c06f4e AK |
702 | |
703 | name = (char *) dentry->d_name.name; | |
5d385153 | 704 | p9_debug(P9_DEBUG_VFS, "%lu,%s,%s\n", dir->i_ino, name, symname); |
53c06f4e AK |
705 | v9ses = v9fs_inode2v9ses(dir); |
706 | ||
707 | dfid = v9fs_fid_lookup(dentry->d_parent); | |
708 | if (IS_ERR(dfid)) { | |
709 | err = PTR_ERR(dfid); | |
5d385153 | 710 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
53c06f4e AK |
711 | return err; |
712 | } | |
713 | ||
714 | gid = v9fs_get_fsgid_for_create(dir); | |
715 | ||
716 | /* Server doesn't alter fid on TSYMLINK. Hence no need to clone it. */ | |
717 | err = p9_client_symlink(dfid, name, (char *)symname, gid, &qid); | |
718 | ||
719 | if (err < 0) { | |
5d385153 | 720 | p9_debug(P9_DEBUG_VFS, "p9_client_symlink failed %d\n", err); |
53c06f4e AK |
721 | goto error; |
722 | } | |
723 | ||
d28c61f0 | 724 | v9fs_invalidate_inode_attr(dir); |
53c06f4e AK |
725 | if (v9ses->cache) { |
726 | /* Now walk from the parent so we can get an unopened fid. */ | |
727 | fid = p9_client_walk(dfid, 1, &name, 1); | |
728 | if (IS_ERR(fid)) { | |
729 | err = PTR_ERR(fid); | |
5d385153 JP |
730 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", |
731 | err); | |
53c06f4e AK |
732 | fid = NULL; |
733 | goto error; | |
734 | } | |
735 | ||
736 | /* instantiate inode and assign the unopened fid to dentry */ | |
ed80fcfa | 737 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
53c06f4e AK |
738 | if (IS_ERR(inode)) { |
739 | err = PTR_ERR(inode); | |
5d385153 JP |
740 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", |
741 | err); | |
53c06f4e AK |
742 | goto error; |
743 | } | |
53c06f4e AK |
744 | err = v9fs_fid_add(dentry, fid); |
745 | if (err < 0) | |
746 | goto error; | |
5441ae5e | 747 | d_instantiate(dentry, inode); |
53c06f4e AK |
748 | fid = NULL; |
749 | } else { | |
750 | /* Not in cached mode. No need to populate inode with stat */ | |
45089142 | 751 | inode = v9fs_get_inode(dir->i_sb, S_IFLNK, 0); |
53c06f4e AK |
752 | if (IS_ERR(inode)) { |
753 | err = PTR_ERR(inode); | |
754 | goto error; | |
755 | } | |
53c06f4e AK |
756 | d_instantiate(dentry, inode); |
757 | } | |
758 | ||
759 | error: | |
760 | if (fid) | |
761 | p9_client_clunk(fid); | |
762 | ||
763 | return err; | |
764 | } | |
765 | ||
766 | /** | |
767 | * v9fs_vfs_link_dotl - create a hardlink for dotl | |
768 | * @old_dentry: dentry for file to link to | |
769 | * @dir: inode destination for new link | |
770 | * @dentry: dentry for link | |
771 | * | |
772 | */ | |
773 | ||
774 | static int | |
775 | v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir, | |
776 | struct dentry *dentry) | |
777 | { | |
778 | int err; | |
53c06f4e | 779 | char *name; |
53c06f4e | 780 | struct dentry *dir_dentry; |
d28c61f0 AK |
781 | struct p9_fid *dfid, *oldfid; |
782 | struct v9fs_session_info *v9ses; | |
53c06f4e | 783 | |
5d385153 JP |
784 | p9_debug(P9_DEBUG_VFS, "dir ino: %lu, old_name: %s, new_name: %s\n", |
785 | dir->i_ino, old_dentry->d_name.name, dentry->d_name.name); | |
53c06f4e AK |
786 | |
787 | v9ses = v9fs_inode2v9ses(dir); | |
af569596 | 788 | dir_dentry = dentry->d_parent; |
53c06f4e AK |
789 | dfid = v9fs_fid_lookup(dir_dentry); |
790 | if (IS_ERR(dfid)) | |
791 | return PTR_ERR(dfid); | |
792 | ||
793 | oldfid = v9fs_fid_lookup(old_dentry); | |
794 | if (IS_ERR(oldfid)) | |
795 | return PTR_ERR(oldfid); | |
796 | ||
797 | name = (char *) dentry->d_name.name; | |
798 | ||
799 | err = p9_client_link(dfid, oldfid, (char *)dentry->d_name.name); | |
800 | ||
801 | if (err < 0) { | |
5d385153 | 802 | p9_debug(P9_DEBUG_VFS, "p9_client_link failed %d\n", err); |
53c06f4e AK |
803 | return err; |
804 | } | |
805 | ||
d28c61f0 | 806 | v9fs_invalidate_inode_attr(dir); |
53c06f4e AK |
807 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { |
808 | /* Get the latest stat info from server. */ | |
809 | struct p9_fid *fid; | |
53c06f4e AK |
810 | fid = v9fs_fid_lookup(old_dentry); |
811 | if (IS_ERR(fid)) | |
812 | return PTR_ERR(fid); | |
813 | ||
c06c066a | 814 | v9fs_refresh_inode_dotl(fid, old_dentry->d_inode); |
53c06f4e | 815 | } |
20656a49 | 816 | ihold(old_dentry->d_inode); |
53c06f4e AK |
817 | d_instantiate(dentry, old_dentry->d_inode); |
818 | ||
819 | return err; | |
820 | } | |
821 | ||
822 | /** | |
823 | * v9fs_vfs_mknod_dotl - create a special file | |
824 | * @dir: inode destination for new link | |
825 | * @dentry: dentry for file | |
826 | * @mode: mode for creation | |
827 | * @rdev: device associated with special file | |
828 | * | |
829 | */ | |
830 | static int | |
1a67aafb | 831 | v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, |
53c06f4e AK |
832 | dev_t rdev) |
833 | { | |
834 | int err; | |
d28c61f0 | 835 | gid_t gid; |
53c06f4e | 836 | char *name; |
d3fb6120 | 837 | umode_t mode; |
53c06f4e AK |
838 | struct v9fs_session_info *v9ses; |
839 | struct p9_fid *fid = NULL, *dfid = NULL; | |
840 | struct inode *inode; | |
53c06f4e AK |
841 | struct p9_qid qid; |
842 | struct dentry *dir_dentry; | |
843 | struct posix_acl *dacl = NULL, *pacl = NULL; | |
844 | ||
609eac1c | 845 | p9_debug(P9_DEBUG_VFS, " %lu,%s mode: %hx MAJOR: %u MINOR: %u\n", |
5d385153 JP |
846 | dir->i_ino, dentry->d_name.name, omode, |
847 | MAJOR(rdev), MINOR(rdev)); | |
53c06f4e AK |
848 | |
849 | if (!new_valid_dev(rdev)) | |
850 | return -EINVAL; | |
851 | ||
852 | v9ses = v9fs_inode2v9ses(dir); | |
af569596 | 853 | dir_dentry = dentry->d_parent; |
53c06f4e AK |
854 | dfid = v9fs_fid_lookup(dir_dentry); |
855 | if (IS_ERR(dfid)) { | |
856 | err = PTR_ERR(dfid); | |
5d385153 | 857 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
53c06f4e AK |
858 | dfid = NULL; |
859 | goto error; | |
860 | } | |
861 | ||
862 | gid = v9fs_get_fsgid_for_create(dir); | |
863 | mode = omode; | |
864 | /* Update mode based on ACL value */ | |
865 | err = v9fs_acl_mode(dir, &mode, &dacl, &pacl); | |
866 | if (err) { | |
5d385153 JP |
867 | p9_debug(P9_DEBUG_VFS, "Failed to get acl values in mknod %d\n", |
868 | err); | |
53c06f4e AK |
869 | goto error; |
870 | } | |
871 | name = (char *) dentry->d_name.name; | |
872 | ||
873 | err = p9_client_mknod_dotl(dfid, name, mode, rdev, gid, &qid); | |
874 | if (err < 0) | |
875 | goto error; | |
876 | ||
d28c61f0 | 877 | v9fs_invalidate_inode_attr(dir); |
53c06f4e AK |
878 | /* instantiate inode and assign the unopened fid to the dentry */ |
879 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { | |
880 | fid = p9_client_walk(dfid, 1, &name, 1); | |
881 | if (IS_ERR(fid)) { | |
882 | err = PTR_ERR(fid); | |
5d385153 JP |
883 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", |
884 | err); | |
53c06f4e AK |
885 | fid = NULL; |
886 | goto error; | |
887 | } | |
888 | ||
ed80fcfa | 889 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
53c06f4e AK |
890 | if (IS_ERR(inode)) { |
891 | err = PTR_ERR(inode); | |
5d385153 JP |
892 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", |
893 | err); | |
53c06f4e AK |
894 | goto error; |
895 | } | |
53c06f4e AK |
896 | err = v9fs_fid_add(dentry, fid); |
897 | if (err < 0) | |
898 | goto error; | |
5441ae5e | 899 | d_instantiate(dentry, inode); |
53c06f4e AK |
900 | fid = NULL; |
901 | } else { | |
902 | /* | |
903 | * Not in cached mode. No need to populate inode with stat. | |
904 | * socket syscall returns a fd, so we need instantiate | |
905 | */ | |
45089142 | 906 | inode = v9fs_get_inode(dir->i_sb, mode, rdev); |
53c06f4e AK |
907 | if (IS_ERR(inode)) { |
908 | err = PTR_ERR(inode); | |
909 | goto error; | |
910 | } | |
53c06f4e AK |
911 | d_instantiate(dentry, inode); |
912 | } | |
913 | /* Now set the ACL based on the default value */ | |
1ec95bf3 | 914 | v9fs_set_create_acl(dentry, &dacl, &pacl); |
53c06f4e AK |
915 | error: |
916 | if (fid) | |
917 | p9_client_clunk(fid); | |
1ec95bf3 | 918 | v9fs_set_create_acl(NULL, &dacl, &pacl); |
53c06f4e AK |
919 | return err; |
920 | } | |
921 | ||
53c06f4e AK |
922 | /** |
923 | * v9fs_vfs_follow_link_dotl - follow a symlink path | |
924 | * @dentry: dentry for symlink | |
925 | * @nd: nameidata | |
926 | * | |
927 | */ | |
928 | ||
929 | static void * | |
930 | v9fs_vfs_follow_link_dotl(struct dentry *dentry, struct nameidata *nd) | |
931 | { | |
31b6ceac MK |
932 | int retval; |
933 | struct p9_fid *fid; | |
53c06f4e | 934 | char *link = __getname(); |
31b6ceac | 935 | char *target; |
53c06f4e | 936 | |
5d385153 | 937 | p9_debug(P9_DEBUG_VFS, "%s\n", dentry->d_name.name); |
53c06f4e | 938 | |
31b6ceac | 939 | if (!link) { |
53c06f4e | 940 | link = ERR_PTR(-ENOMEM); |
31b6ceac | 941 | goto ndset; |
53c06f4e | 942 | } |
31b6ceac MK |
943 | fid = v9fs_fid_lookup(dentry); |
944 | if (IS_ERR(fid)) { | |
945 | __putname(link); | |
936bb2d7 | 946 | link = ERR_CAST(fid); |
31b6ceac MK |
947 | goto ndset; |
948 | } | |
949 | retval = p9_client_readlink(fid, &target); | |
950 | if (!retval) { | |
951 | strcpy(link, target); | |
952 | kfree(target); | |
953 | goto ndset; | |
954 | } | |
955 | __putname(link); | |
956 | link = ERR_PTR(retval); | |
957 | ndset: | |
53c06f4e | 958 | nd_set_link(nd, link); |
53c06f4e AK |
959 | return NULL; |
960 | } | |
961 | ||
b3cbea03 AK |
962 | int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode) |
963 | { | |
964 | loff_t i_size; | |
965 | struct p9_stat_dotl *st; | |
966 | struct v9fs_session_info *v9ses; | |
967 | ||
968 | v9ses = v9fs_inode2v9ses(inode); | |
969 | st = p9_client_getattr_dotl(fid, P9_STATS_ALL); | |
970 | if (IS_ERR(st)) | |
971 | return PTR_ERR(st); | |
45089142 AK |
972 | /* |
973 | * Don't update inode if the file type is different | |
974 | */ | |
975 | if ((inode->i_mode & S_IFMT) != (st->st_mode & S_IFMT)) | |
976 | goto out; | |
b3cbea03 AK |
977 | |
978 | spin_lock(&inode->i_lock); | |
979 | /* | |
980 | * We don't want to refresh inode->i_size, | |
981 | * because we may have cached data | |
982 | */ | |
983 | i_size = inode->i_size; | |
984 | v9fs_stat2inode_dotl(st, inode); | |
985 | if (v9ses->cache) | |
986 | inode->i_size = i_size; | |
987 | spin_unlock(&inode->i_lock); | |
45089142 | 988 | out: |
b3cbea03 AK |
989 | kfree(st); |
990 | return 0; | |
991 | } | |
992 | ||
53c06f4e AK |
993 | const struct inode_operations v9fs_dir_inode_operations_dotl = { |
994 | .create = v9fs_vfs_create_dotl, | |
e43ae79c | 995 | .atomic_open = v9fs_vfs_atomic_open_dotl, |
53c06f4e AK |
996 | .lookup = v9fs_vfs_lookup, |
997 | .link = v9fs_vfs_link_dotl, | |
998 | .symlink = v9fs_vfs_symlink_dotl, | |
999 | .unlink = v9fs_vfs_unlink, | |
1000 | .mkdir = v9fs_vfs_mkdir_dotl, | |
1001 | .rmdir = v9fs_vfs_rmdir, | |
1002 | .mknod = v9fs_vfs_mknod_dotl, | |
1003 | .rename = v9fs_vfs_rename, | |
1004 | .getattr = v9fs_vfs_getattr_dotl, | |
1005 | .setattr = v9fs_vfs_setattr_dotl, | |
1006 | .setxattr = generic_setxattr, | |
1007 | .getxattr = generic_getxattr, | |
1008 | .removexattr = generic_removexattr, | |
1009 | .listxattr = v9fs_listxattr, | |
4e34e719 | 1010 | .get_acl = v9fs_iop_get_acl, |
53c06f4e AK |
1011 | }; |
1012 | ||
1013 | const struct inode_operations v9fs_file_inode_operations_dotl = { | |
1014 | .getattr = v9fs_vfs_getattr_dotl, | |
1015 | .setattr = v9fs_vfs_setattr_dotl, | |
1016 | .setxattr = generic_setxattr, | |
1017 | .getxattr = generic_getxattr, | |
1018 | .removexattr = generic_removexattr, | |
1019 | .listxattr = v9fs_listxattr, | |
4e34e719 | 1020 | .get_acl = v9fs_iop_get_acl, |
53c06f4e AK |
1021 | }; |
1022 | ||
1023 | const struct inode_operations v9fs_symlink_inode_operations_dotl = { | |
31b6ceac | 1024 | .readlink = generic_readlink, |
53c06f4e AK |
1025 | .follow_link = v9fs_vfs_follow_link_dotl, |
1026 | .put_link = v9fs_vfs_put_link, | |
1027 | .getattr = v9fs_vfs_getattr_dotl, | |
1028 | .setattr = v9fs_vfs_setattr_dotl, | |
1029 | .setxattr = generic_setxattr, | |
1030 | .getxattr = generic_getxattr, | |
1031 | .removexattr = generic_removexattr, | |
1032 | .listxattr = v9fs_listxattr, | |
1033 | }; |