Commit | Line | Data |
---|---|---|
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 | ||
d4ef4e35 | 60 | static kgid_t v9fs_get_fsgid_for_create(struct inode *dir_inode) |
53c06f4e AK |
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); | |
5ffc0cb3 | 144 | v9fs_cache_inode_get_cookie(inode); |
5ffc0cb3 AK |
145 | retval = v9fs_get_acl(inode, fid); |
146 | if (retval) | |
147 | goto error; | |
148 | ||
149 | unlock_new_inode(inode); | |
150 | return inode; | |
151 | error: | |
152 | unlock_new_inode(inode); | |
153 | iput(inode); | |
154 | return ERR_PTR(retval); | |
155 | ||
156 | } | |
157 | ||
53c06f4e | 158 | struct inode * |
a78ce05d | 159 | v9fs_inode_from_fid_dotl(struct v9fs_session_info *v9ses, struct p9_fid *fid, |
ed80fcfa | 160 | struct super_block *sb, int new) |
53c06f4e | 161 | { |
53c06f4e | 162 | struct p9_stat_dotl *st; |
5ffc0cb3 | 163 | struct inode *inode = NULL; |
53c06f4e | 164 | |
fd2421f5 | 165 | st = p9_client_getattr_dotl(fid, P9_STATS_BASIC | P9_STATS_GEN); |
53c06f4e AK |
166 | if (IS_ERR(st)) |
167 | return ERR_CAST(st); | |
168 | ||
ed80fcfa | 169 | inode = v9fs_qid_iget_dotl(sb, &st->qid, fid, st, new); |
53c06f4e | 170 | kfree(st); |
5ffc0cb3 | 171 | return inode; |
53c06f4e AK |
172 | } |
173 | ||
f88657ce AK |
174 | struct dotl_openflag_map { |
175 | int open_flag; | |
176 | int dotl_flag; | |
177 | }; | |
178 | ||
179 | static int v9fs_mapped_dotl_flags(int flags) | |
180 | { | |
181 | int i; | |
182 | int rflags = 0; | |
183 | struct dotl_openflag_map dotl_oflag_map[] = { | |
184 | { O_CREAT, P9_DOTL_CREATE }, | |
185 | { O_EXCL, P9_DOTL_EXCL }, | |
186 | { O_NOCTTY, P9_DOTL_NOCTTY }, | |
f88657ce AK |
187 | { O_APPEND, P9_DOTL_APPEND }, |
188 | { O_NONBLOCK, P9_DOTL_NONBLOCK }, | |
189 | { O_DSYNC, P9_DOTL_DSYNC }, | |
190 | { FASYNC, P9_DOTL_FASYNC }, | |
191 | { O_DIRECT, P9_DOTL_DIRECT }, | |
192 | { O_LARGEFILE, P9_DOTL_LARGEFILE }, | |
193 | { O_DIRECTORY, P9_DOTL_DIRECTORY }, | |
194 | { O_NOFOLLOW, P9_DOTL_NOFOLLOW }, | |
195 | { O_NOATIME, P9_DOTL_NOATIME }, | |
196 | { O_CLOEXEC, P9_DOTL_CLOEXEC }, | |
197 | { O_SYNC, P9_DOTL_SYNC}, | |
198 | }; | |
199 | for (i = 0; i < ARRAY_SIZE(dotl_oflag_map); i++) { | |
200 | if (flags & dotl_oflag_map[i].open_flag) | |
201 | rflags |= dotl_oflag_map[i].dotl_flag; | |
202 | } | |
203 | return rflags; | |
204 | } | |
205 | ||
206 | /** | |
207 | * v9fs_open_to_dotl_flags- convert Linux specific open flags to | |
208 | * plan 9 open flag. | |
209 | * @flags: flags to convert | |
210 | */ | |
211 | int v9fs_open_to_dotl_flags(int flags) | |
212 | { | |
213 | int rflags = 0; | |
214 | ||
215 | /* | |
216 | * We have same bits for P9_DOTL_READONLY, P9_DOTL_WRONLY | |
217 | * and P9_DOTL_NOACCESS | |
218 | */ | |
219 | rflags |= flags & O_ACCMODE; | |
220 | rflags |= v9fs_mapped_dotl_flags(flags); | |
221 | ||
222 | return rflags; | |
223 | } | |
224 | ||
53c06f4e AK |
225 | /** |
226 | * v9fs_vfs_create_dotl - VFS hook to create files for 9P2000.L protocol. | |
227 | * @dir: directory inode that is being created | |
228 | * @dentry: dentry that is being deleted | |
229 | * @mode: create permissions | |
53c06f4e AK |
230 | * |
231 | */ | |
232 | ||
233 | static int | |
4acdaf27 | 234 | v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, |
ebfc3b49 | 235 | bool excl) |
e43ae79c MS |
236 | { |
237 | return v9fs_vfs_mknod_dotl(dir, dentry, omode, 0); | |
238 | } | |
239 | ||
d9585277 | 240 | static int |
e43ae79c | 241 | v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry, |
30d90494 | 242 | struct file *file, unsigned flags, umode_t omode, |
47237687 | 243 | int *opened) |
53c06f4e AK |
244 | { |
245 | int err = 0; | |
d4ef4e35 | 246 | kgid_t gid; |
d3fb6120 | 247 | umode_t mode; |
6b39f6d2 | 248 | char *name = NULL; |
53c06f4e AK |
249 | struct p9_qid qid; |
250 | struct inode *inode; | |
6b39f6d2 AK |
251 | struct p9_fid *fid = NULL; |
252 | struct v9fs_inode *v9inode; | |
253 | struct p9_fid *dfid, *ofid, *inode_fid; | |
254 | struct v9fs_session_info *v9ses; | |
53c06f4e | 255 | struct posix_acl *pacl = NULL, *dacl = NULL; |
e43ae79c | 256 | struct dentry *res = NULL; |
53c06f4e | 257 | |
e43ae79c | 258 | if (d_unhashed(dentry)) { |
00cd8dd3 | 259 | res = v9fs_vfs_lookup(dir, dentry, 0); |
e43ae79c | 260 | if (IS_ERR(res)) |
d9585277 | 261 | return PTR_ERR(res); |
e43ae79c MS |
262 | |
263 | if (res) | |
264 | dentry = res; | |
265 | } | |
266 | ||
267 | /* Only creates */ | |
03da633a | 268 | if (!(flags & O_CREAT) || dentry->d_inode) |
b6f4bee0 | 269 | return finish_no_open(file, res); |
53c06f4e | 270 | |
e43ae79c MS |
271 | v9ses = v9fs_inode2v9ses(dir); |
272 | ||
53c06f4e | 273 | name = (char *) dentry->d_name.name; |
609eac1c | 274 | p9_debug(P9_DEBUG_VFS, "name:%s flags:0x%x mode:0x%hx\n", |
5d385153 | 275 | name, flags, omode); |
53c06f4e AK |
276 | |
277 | dfid = v9fs_fid_lookup(dentry->d_parent); | |
278 | if (IS_ERR(dfid)) { | |
279 | err = PTR_ERR(dfid); | |
5d385153 | 280 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
d9585277 | 281 | goto out; |
53c06f4e AK |
282 | } |
283 | ||
284 | /* clone a fid to use for creation */ | |
285 | ofid = p9_client_walk(dfid, 0, NULL, 1); | |
286 | if (IS_ERR(ofid)) { | |
287 | err = PTR_ERR(ofid); | |
5d385153 | 288 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err); |
d9585277 | 289 | goto out; |
53c06f4e AK |
290 | } |
291 | ||
292 | gid = v9fs_get_fsgid_for_create(dir); | |
293 | ||
294 | mode = omode; | |
295 | /* Update mode based on ACL value */ | |
296 | err = v9fs_acl_mode(dir, &mode, &dacl, &pacl); | |
297 | if (err) { | |
5d385153 JP |
298 | p9_debug(P9_DEBUG_VFS, "Failed to get acl values in creat %d\n", |
299 | err); | |
53c06f4e AK |
300 | goto error; |
301 | } | |
f88657ce AK |
302 | err = p9_client_create_dotl(ofid, name, v9fs_open_to_dotl_flags(flags), |
303 | mode, gid, &qid); | |
53c06f4e | 304 | if (err < 0) { |
5d385153 JP |
305 | p9_debug(P9_DEBUG_VFS, "p9_client_open_dotl failed in creat %d\n", |
306 | err); | |
53c06f4e AK |
307 | goto error; |
308 | } | |
d28c61f0 | 309 | v9fs_invalidate_inode_attr(dir); |
53c06f4e | 310 | |
af7542fc AK |
311 | /* instantiate inode and assign the unopened fid to the dentry */ |
312 | fid = p9_client_walk(dfid, 1, &name, 1); | |
313 | if (IS_ERR(fid)) { | |
314 | err = PTR_ERR(fid); | |
5d385153 | 315 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err); |
53c06f4e | 316 | fid = NULL; |
af7542fc | 317 | goto error; |
53c06f4e | 318 | } |
ed80fcfa | 319 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
af7542fc AK |
320 | if (IS_ERR(inode)) { |
321 | err = PTR_ERR(inode); | |
5d385153 | 322 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", err); |
af7542fc AK |
323 | goto error; |
324 | } | |
3592ac44 AV |
325 | /* Now set the ACL based on the default value */ |
326 | v9fs_set_create_acl(inode, fid, dacl, pacl); | |
327 | ||
2ea03e1d | 328 | v9fs_fid_add(dentry, fid); |
5441ae5e | 329 | d_instantiate(dentry, inode); |
af7542fc | 330 | |
6b39f6d2 | 331 | v9inode = V9FS_I(inode); |
5a7e0a8c | 332 | mutex_lock(&v9inode->v_mutex); |
fb89b45c DM |
333 | if ((v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) && |
334 | !v9inode->writeback_fid && | |
7add697a | 335 | ((flags & O_ACCMODE) != O_RDONLY)) { |
3cf387d7 | 336 | /* |
6b39f6d2 | 337 | * clone a fid and add it to writeback_fid |
3cf387d7 AK |
338 | * we do it during open time instead of |
339 | * page dirty time via write_begin/page_mkwrite | |
340 | * because we want write after unlink usecase | |
341 | * to work. | |
342 | */ | |
343 | inode_fid = v9fs_writeback_fid(dentry); | |
344 | if (IS_ERR(inode_fid)) { | |
345 | err = PTR_ERR(inode_fid); | |
5a7e0a8c | 346 | mutex_unlock(&v9inode->v_mutex); |
398c4f0e | 347 | goto err_clunk_old_fid; |
3cf387d7 | 348 | } |
6b39f6d2 | 349 | v9inode->writeback_fid = (void *) inode_fid; |
3cf387d7 | 350 | } |
5a7e0a8c | 351 | mutex_unlock(&v9inode->v_mutex); |
af7542fc | 352 | /* Since we are opening a file, assign the open fid to the file */ |
30d90494 AV |
353 | err = finish_open(file, dentry, generic_file_open, opened); |
354 | if (err) | |
398c4f0e | 355 | goto err_clunk_old_fid; |
30d90494 | 356 | file->private_data = ofid; |
fb89b45c | 357 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) |
30d90494 | 358 | v9fs_cache_inode_set_cookie(inode, file); |
47237687 | 359 | *opened |= FILE_CREATED; |
e43ae79c | 360 | out: |
5fa6300a | 361 | v9fs_put_acl(dacl, pacl); |
e43ae79c | 362 | dput(res); |
d9585277 | 363 | return err; |
53c06f4e AK |
364 | |
365 | error: | |
53c06f4e AK |
366 | if (fid) |
367 | p9_client_clunk(fid); | |
398c4f0e AK |
368 | err_clunk_old_fid: |
369 | if (ofid) | |
370 | p9_client_clunk(ofid); | |
e43ae79c | 371 | goto out; |
53c06f4e AK |
372 | } |
373 | ||
374 | /** | |
375 | * v9fs_vfs_mkdir_dotl - VFS mkdir hook to create a directory | |
376 | * @dir: inode that is being unlinked | |
377 | * @dentry: dentry that is being unlinked | |
378 | * @mode: mode for new directory | |
379 | * | |
380 | */ | |
381 | ||
382 | static int v9fs_vfs_mkdir_dotl(struct inode *dir, | |
18bb1db3 | 383 | struct dentry *dentry, umode_t omode) |
53c06f4e AK |
384 | { |
385 | int err; | |
386 | struct v9fs_session_info *v9ses; | |
387 | struct p9_fid *fid = NULL, *dfid = NULL; | |
d4ef4e35 | 388 | kgid_t gid; |
53c06f4e | 389 | char *name; |
d3fb6120 | 390 | umode_t mode; |
53c06f4e AK |
391 | struct inode *inode; |
392 | struct p9_qid qid; | |
393 | struct dentry *dir_dentry; | |
394 | struct posix_acl *dacl = NULL, *pacl = NULL; | |
395 | ||
5d385153 | 396 | p9_debug(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name); |
53c06f4e AK |
397 | err = 0; |
398 | v9ses = v9fs_inode2v9ses(dir); | |
399 | ||
400 | omode |= S_IFDIR; | |
401 | if (dir->i_mode & S_ISGID) | |
402 | omode |= S_ISGID; | |
403 | ||
af569596 | 404 | dir_dentry = dentry->d_parent; |
53c06f4e AK |
405 | dfid = v9fs_fid_lookup(dir_dentry); |
406 | if (IS_ERR(dfid)) { | |
407 | err = PTR_ERR(dfid); | |
5d385153 | 408 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
53c06f4e AK |
409 | dfid = NULL; |
410 | goto error; | |
411 | } | |
412 | ||
413 | gid = v9fs_get_fsgid_for_create(dir); | |
414 | mode = omode; | |
415 | /* Update mode based on ACL value */ | |
416 | err = v9fs_acl_mode(dir, &mode, &dacl, &pacl); | |
417 | if (err) { | |
5d385153 JP |
418 | p9_debug(P9_DEBUG_VFS, "Failed to get acl values in mkdir %d\n", |
419 | err); | |
53c06f4e AK |
420 | goto error; |
421 | } | |
422 | name = (char *) dentry->d_name.name; | |
423 | err = p9_client_mkdir_dotl(dfid, name, mode, gid, &qid); | |
424 | if (err < 0) | |
425 | goto error; | |
426 | ||
3592ac44 AV |
427 | fid = p9_client_walk(dfid, 1, &name, 1); |
428 | if (IS_ERR(fid)) { | |
429 | err = PTR_ERR(fid); | |
430 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", | |
431 | err); | |
432 | fid = NULL; | |
433 | goto error; | |
434 | } | |
435 | ||
53c06f4e AK |
436 | /* instantiate inode and assign the unopened fid to the dentry */ |
437 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { | |
ed80fcfa | 438 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
53c06f4e AK |
439 | if (IS_ERR(inode)) { |
440 | err = PTR_ERR(inode); | |
5d385153 JP |
441 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", |
442 | err); | |
53c06f4e AK |
443 | goto error; |
444 | } | |
2ea03e1d | 445 | v9fs_fid_add(dentry, fid); |
3592ac44 | 446 | v9fs_set_create_acl(inode, fid, dacl, pacl); |
5441ae5e | 447 | d_instantiate(dentry, inode); |
53c06f4e | 448 | fid = NULL; |
2ea03e1d | 449 | err = 0; |
53c06f4e AK |
450 | } else { |
451 | /* | |
452 | * Not in cached mode. No need to populate | |
453 | * inode with stat. We need to get an inode | |
454 | * so that we can set the acl with dentry | |
455 | */ | |
45089142 | 456 | inode = v9fs_get_inode(dir->i_sb, mode, 0); |
53c06f4e AK |
457 | if (IS_ERR(inode)) { |
458 | err = PTR_ERR(inode); | |
459 | goto error; | |
460 | } | |
3592ac44 | 461 | v9fs_set_create_acl(inode, fid, dacl, pacl); |
53c06f4e AK |
462 | d_instantiate(dentry, inode); |
463 | } | |
b271ec47 | 464 | inc_nlink(dir); |
d28c61f0 | 465 | v9fs_invalidate_inode_attr(dir); |
53c06f4e AK |
466 | error: |
467 | if (fid) | |
468 | p9_client_clunk(fid); | |
5fa6300a | 469 | v9fs_put_acl(dacl, pacl); |
53c06f4e AK |
470 | return err; |
471 | } | |
472 | ||
473 | static int | |
474 | v9fs_vfs_getattr_dotl(struct vfsmount *mnt, struct dentry *dentry, | |
475 | struct kstat *stat) | |
476 | { | |
53c06f4e AK |
477 | struct v9fs_session_info *v9ses; |
478 | struct p9_fid *fid; | |
479 | struct p9_stat_dotl *st; | |
480 | ||
5d385153 | 481 | p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry); |
42869c8a | 482 | v9ses = v9fs_dentry2v9ses(dentry); |
a1211908 AK |
483 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { |
484 | generic_fillattr(dentry->d_inode, stat); | |
485 | return 0; | |
486 | } | |
53c06f4e AK |
487 | fid = v9fs_fid_lookup(dentry); |
488 | if (IS_ERR(fid)) | |
489 | return PTR_ERR(fid); | |
490 | ||
491 | /* Ask for all the fields in stat structure. Server will return | |
492 | * whatever it supports | |
493 | */ | |
494 | ||
495 | st = p9_client_getattr_dotl(fid, P9_STATS_ALL); | |
496 | if (IS_ERR(st)) | |
497 | return PTR_ERR(st); | |
498 | ||
499 | v9fs_stat2inode_dotl(st, dentry->d_inode); | |
500 | generic_fillattr(dentry->d_inode, stat); | |
501 | /* Change block size to what the server returned */ | |
502 | stat->blksize = st->st_blksize; | |
503 | ||
504 | kfree(st); | |
505 | return 0; | |
506 | } | |
507 | ||
f766619d AK |
508 | /* |
509 | * Attribute flags. | |
510 | */ | |
511 | #define P9_ATTR_MODE (1 << 0) | |
512 | #define P9_ATTR_UID (1 << 1) | |
513 | #define P9_ATTR_GID (1 << 2) | |
514 | #define P9_ATTR_SIZE (1 << 3) | |
515 | #define P9_ATTR_ATIME (1 << 4) | |
516 | #define P9_ATTR_MTIME (1 << 5) | |
517 | #define P9_ATTR_CTIME (1 << 6) | |
518 | #define P9_ATTR_ATIME_SET (1 << 7) | |
519 | #define P9_ATTR_MTIME_SET (1 << 8) | |
520 | ||
521 | struct dotl_iattr_map { | |
522 | int iattr_valid; | |
523 | int p9_iattr_valid; | |
524 | }; | |
525 | ||
526 | static int v9fs_mapped_iattr_valid(int iattr_valid) | |
527 | { | |
528 | int i; | |
529 | int p9_iattr_valid = 0; | |
530 | struct dotl_iattr_map dotl_iattr_map[] = { | |
531 | { ATTR_MODE, P9_ATTR_MODE }, | |
532 | { ATTR_UID, P9_ATTR_UID }, | |
533 | { ATTR_GID, P9_ATTR_GID }, | |
534 | { ATTR_SIZE, P9_ATTR_SIZE }, | |
535 | { ATTR_ATIME, P9_ATTR_ATIME }, | |
536 | { ATTR_MTIME, P9_ATTR_MTIME }, | |
537 | { ATTR_CTIME, P9_ATTR_CTIME }, | |
538 | { ATTR_ATIME_SET, P9_ATTR_ATIME_SET }, | |
539 | { ATTR_MTIME_SET, P9_ATTR_MTIME_SET }, | |
540 | }; | |
541 | for (i = 0; i < ARRAY_SIZE(dotl_iattr_map); i++) { | |
542 | if (iattr_valid & dotl_iattr_map[i].iattr_valid) | |
543 | p9_iattr_valid |= dotl_iattr_map[i].p9_iattr_valid; | |
544 | } | |
545 | return p9_iattr_valid; | |
546 | } | |
547 | ||
53c06f4e AK |
548 | /** |
549 | * v9fs_vfs_setattr_dotl - set file metadata | |
550 | * @dentry: file whose metadata to set | |
551 | * @iattr: metadata assignment structure | |
552 | * | |
553 | */ | |
554 | ||
555 | int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) | |
556 | { | |
557 | int retval; | |
53c06f4e AK |
558 | struct p9_fid *fid; |
559 | struct p9_iattr_dotl p9attr; | |
be308f07 | 560 | struct inode *inode = dentry->d_inode; |
53c06f4e | 561 | |
5d385153 | 562 | p9_debug(P9_DEBUG_VFS, "\n"); |
53c06f4e | 563 | |
be308f07 | 564 | retval = inode_change_ok(inode, iattr); |
53c06f4e AK |
565 | if (retval) |
566 | return retval; | |
567 | ||
f766619d | 568 | p9attr.valid = v9fs_mapped_iattr_valid(iattr->ia_valid); |
53c06f4e AK |
569 | p9attr.mode = iattr->ia_mode; |
570 | p9attr.uid = iattr->ia_uid; | |
571 | p9attr.gid = iattr->ia_gid; | |
572 | p9attr.size = iattr->ia_size; | |
573 | p9attr.atime_sec = iattr->ia_atime.tv_sec; | |
574 | p9attr.atime_nsec = iattr->ia_atime.tv_nsec; | |
575 | p9attr.mtime_sec = iattr->ia_mtime.tv_sec; | |
576 | p9attr.mtime_nsec = iattr->ia_mtime.tv_nsec; | |
577 | ||
53c06f4e AK |
578 | fid = v9fs_fid_lookup(dentry); |
579 | if (IS_ERR(fid)) | |
580 | return PTR_ERR(fid); | |
581 | ||
3dc5436a | 582 | /* Write all dirty data */ |
be308f07 AV |
583 | if (S_ISREG(inode->i_mode)) |
584 | filemap_write_and_wait(inode->i_mapping); | |
3dc5436a | 585 | |
f10fc50f AK |
586 | retval = p9_client_setattr(fid, &p9attr); |
587 | if (retval < 0) | |
588 | return retval; | |
53c06f4e | 589 | |
059c138b | 590 | if ((iattr->ia_valid & ATTR_SIZE) && |
be308f07 AV |
591 | iattr->ia_size != i_size_read(inode)) |
592 | truncate_setsize(inode, iattr->ia_size); | |
059c138b | 593 | |
be308f07 AV |
594 | v9fs_invalidate_inode_attr(inode); |
595 | setattr_copy(inode, iattr); | |
596 | mark_inode_dirty(inode); | |
53c06f4e AK |
597 | if (iattr->ia_valid & ATTR_MODE) { |
598 | /* We also want to update ACL when we update mode bits */ | |
be308f07 | 599 | retval = v9fs_acl_chmod(inode, fid); |
53c06f4e AK |
600 | if (retval < 0) |
601 | return retval; | |
602 | } | |
603 | return 0; | |
604 | } | |
605 | ||
606 | /** | |
607 | * v9fs_stat2inode_dotl - populate an inode structure with stat info | |
608 | * @stat: stat structure | |
609 | * @inode: inode to populate | |
610 | * @sb: superblock of filesystem | |
611 | * | |
612 | */ | |
613 | ||
614 | void | |
615 | v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode) | |
616 | { | |
3eda0de6 | 617 | umode_t mode; |
b3cbea03 | 618 | struct v9fs_inode *v9inode = V9FS_I(inode); |
53c06f4e AK |
619 | |
620 | if ((stat->st_result_mask & P9_STATS_BASIC) == P9_STATS_BASIC) { | |
621 | inode->i_atime.tv_sec = stat->st_atime_sec; | |
622 | inode->i_atime.tv_nsec = stat->st_atime_nsec; | |
623 | inode->i_mtime.tv_sec = stat->st_mtime_sec; | |
624 | inode->i_mtime.tv_nsec = stat->st_mtime_nsec; | |
625 | inode->i_ctime.tv_sec = stat->st_ctime_sec; | |
626 | inode->i_ctime.tv_nsec = stat->st_ctime_nsec; | |
627 | inode->i_uid = stat->st_uid; | |
628 | inode->i_gid = stat->st_gid; | |
bfe86848 | 629 | set_nlink(inode, stat->st_nlink); |
53c06f4e | 630 | |
45089142 AK |
631 | mode = stat->st_mode & S_IALLUGO; |
632 | mode |= inode->i_mode & ~S_IALLUGO; | |
633 | inode->i_mode = mode; | |
53c06f4e AK |
634 | |
635 | i_size_write(inode, stat->st_size); | |
636 | inode->i_blocks = stat->st_blocks; | |
637 | } else { | |
638 | if (stat->st_result_mask & P9_STATS_ATIME) { | |
639 | inode->i_atime.tv_sec = stat->st_atime_sec; | |
640 | inode->i_atime.tv_nsec = stat->st_atime_nsec; | |
641 | } | |
642 | if (stat->st_result_mask & P9_STATS_MTIME) { | |
643 | inode->i_mtime.tv_sec = stat->st_mtime_sec; | |
644 | inode->i_mtime.tv_nsec = stat->st_mtime_nsec; | |
645 | } | |
646 | if (stat->st_result_mask & P9_STATS_CTIME) { | |
647 | inode->i_ctime.tv_sec = stat->st_ctime_sec; | |
648 | inode->i_ctime.tv_nsec = stat->st_ctime_nsec; | |
649 | } | |
650 | if (stat->st_result_mask & P9_STATS_UID) | |
651 | inode->i_uid = stat->st_uid; | |
652 | if (stat->st_result_mask & P9_STATS_GID) | |
653 | inode->i_gid = stat->st_gid; | |
654 | if (stat->st_result_mask & P9_STATS_NLINK) | |
bfe86848 | 655 | set_nlink(inode, stat->st_nlink); |
53c06f4e AK |
656 | if (stat->st_result_mask & P9_STATS_MODE) { |
657 | inode->i_mode = stat->st_mode; | |
658 | if ((S_ISBLK(inode->i_mode)) || | |
659 | (S_ISCHR(inode->i_mode))) | |
660 | init_special_inode(inode, inode->i_mode, | |
661 | inode->i_rdev); | |
662 | } | |
663 | if (stat->st_result_mask & P9_STATS_RDEV) | |
664 | inode->i_rdev = new_decode_dev(stat->st_rdev); | |
665 | if (stat->st_result_mask & P9_STATS_SIZE) | |
666 | i_size_write(inode, stat->st_size); | |
667 | if (stat->st_result_mask & P9_STATS_BLOCKS) | |
668 | inode->i_blocks = stat->st_blocks; | |
669 | } | |
670 | if (stat->st_result_mask & P9_STATS_GEN) | |
fd2421f5 | 671 | inode->i_generation = stat->st_gen; |
53c06f4e AK |
672 | |
673 | /* Currently we don't support P9_STATS_BTIME and P9_STATS_DATA_VERSION | |
674 | * because the inode structure does not have fields for them. | |
675 | */ | |
b3cbea03 | 676 | v9inode->cache_validity &= ~V9FS_INO_INVALID_ATTR; |
53c06f4e AK |
677 | } |
678 | ||
679 | static int | |
680 | v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry, | |
681 | const char *symname) | |
682 | { | |
53c06f4e | 683 | int err; |
d4ef4e35 | 684 | kgid_t gid; |
d28c61f0 AK |
685 | char *name; |
686 | struct p9_qid qid; | |
687 | struct inode *inode; | |
688 | struct p9_fid *dfid; | |
689 | struct p9_fid *fid = NULL; | |
690 | struct v9fs_session_info *v9ses; | |
53c06f4e AK |
691 | |
692 | name = (char *) dentry->d_name.name; | |
5d385153 | 693 | p9_debug(P9_DEBUG_VFS, "%lu,%s,%s\n", dir->i_ino, name, symname); |
53c06f4e AK |
694 | v9ses = v9fs_inode2v9ses(dir); |
695 | ||
696 | dfid = v9fs_fid_lookup(dentry->d_parent); | |
697 | if (IS_ERR(dfid)) { | |
698 | err = PTR_ERR(dfid); | |
5d385153 | 699 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
53c06f4e AK |
700 | return err; |
701 | } | |
702 | ||
703 | gid = v9fs_get_fsgid_for_create(dir); | |
704 | ||
705 | /* Server doesn't alter fid on TSYMLINK. Hence no need to clone it. */ | |
706 | err = p9_client_symlink(dfid, name, (char *)symname, gid, &qid); | |
707 | ||
708 | if (err < 0) { | |
5d385153 | 709 | p9_debug(P9_DEBUG_VFS, "p9_client_symlink failed %d\n", err); |
53c06f4e AK |
710 | goto error; |
711 | } | |
712 | ||
d28c61f0 | 713 | v9fs_invalidate_inode_attr(dir); |
fb89b45c | 714 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { |
53c06f4e AK |
715 | /* Now walk from the parent so we can get an unopened fid. */ |
716 | fid = p9_client_walk(dfid, 1, &name, 1); | |
717 | if (IS_ERR(fid)) { | |
718 | err = PTR_ERR(fid); | |
5d385153 JP |
719 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", |
720 | err); | |
53c06f4e AK |
721 | fid = NULL; |
722 | goto error; | |
723 | } | |
724 | ||
725 | /* instantiate inode and assign the unopened fid to dentry */ | |
ed80fcfa | 726 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
53c06f4e AK |
727 | if (IS_ERR(inode)) { |
728 | err = PTR_ERR(inode); | |
5d385153 JP |
729 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", |
730 | err); | |
53c06f4e AK |
731 | goto error; |
732 | } | |
2ea03e1d | 733 | v9fs_fid_add(dentry, fid); |
5441ae5e | 734 | d_instantiate(dentry, inode); |
53c06f4e | 735 | fid = NULL; |
2ea03e1d | 736 | err = 0; |
53c06f4e AK |
737 | } else { |
738 | /* Not in cached mode. No need to populate inode with stat */ | |
45089142 | 739 | inode = v9fs_get_inode(dir->i_sb, S_IFLNK, 0); |
53c06f4e AK |
740 | if (IS_ERR(inode)) { |
741 | err = PTR_ERR(inode); | |
742 | goto error; | |
743 | } | |
53c06f4e AK |
744 | d_instantiate(dentry, inode); |
745 | } | |
746 | ||
747 | error: | |
748 | if (fid) | |
749 | p9_client_clunk(fid); | |
750 | ||
751 | return err; | |
752 | } | |
753 | ||
754 | /** | |
755 | * v9fs_vfs_link_dotl - create a hardlink for dotl | |
756 | * @old_dentry: dentry for file to link to | |
757 | * @dir: inode destination for new link | |
758 | * @dentry: dentry for link | |
759 | * | |
760 | */ | |
761 | ||
762 | static int | |
763 | v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir, | |
764 | struct dentry *dentry) | |
765 | { | |
766 | int err; | |
53c06f4e | 767 | struct dentry *dir_dentry; |
d28c61f0 AK |
768 | struct p9_fid *dfid, *oldfid; |
769 | struct v9fs_session_info *v9ses; | |
53c06f4e | 770 | |
5d385153 JP |
771 | p9_debug(P9_DEBUG_VFS, "dir ino: %lu, old_name: %s, new_name: %s\n", |
772 | dir->i_ino, old_dentry->d_name.name, dentry->d_name.name); | |
53c06f4e AK |
773 | |
774 | v9ses = v9fs_inode2v9ses(dir); | |
af569596 | 775 | dir_dentry = dentry->d_parent; |
53c06f4e AK |
776 | dfid = v9fs_fid_lookup(dir_dentry); |
777 | if (IS_ERR(dfid)) | |
778 | return PTR_ERR(dfid); | |
779 | ||
780 | oldfid = v9fs_fid_lookup(old_dentry); | |
781 | if (IS_ERR(oldfid)) | |
782 | return PTR_ERR(oldfid); | |
783 | ||
53c06f4e AK |
784 | err = p9_client_link(dfid, oldfid, (char *)dentry->d_name.name); |
785 | ||
786 | if (err < 0) { | |
5d385153 | 787 | p9_debug(P9_DEBUG_VFS, "p9_client_link failed %d\n", err); |
53c06f4e AK |
788 | return err; |
789 | } | |
790 | ||
d28c61f0 | 791 | v9fs_invalidate_inode_attr(dir); |
53c06f4e AK |
792 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { |
793 | /* Get the latest stat info from server. */ | |
794 | struct p9_fid *fid; | |
53c06f4e AK |
795 | fid = v9fs_fid_lookup(old_dentry); |
796 | if (IS_ERR(fid)) | |
797 | return PTR_ERR(fid); | |
798 | ||
c06c066a | 799 | v9fs_refresh_inode_dotl(fid, old_dentry->d_inode); |
53c06f4e | 800 | } |
20656a49 | 801 | ihold(old_dentry->d_inode); |
53c06f4e AK |
802 | d_instantiate(dentry, old_dentry->d_inode); |
803 | ||
804 | return err; | |
805 | } | |
806 | ||
807 | /** | |
808 | * v9fs_vfs_mknod_dotl - create a special file | |
809 | * @dir: inode destination for new link | |
810 | * @dentry: dentry for file | |
811 | * @mode: mode for creation | |
812 | * @rdev: device associated with special file | |
813 | * | |
814 | */ | |
815 | static int | |
1a67aafb | 816 | v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, |
53c06f4e AK |
817 | dev_t rdev) |
818 | { | |
819 | int err; | |
d4ef4e35 | 820 | kgid_t gid; |
53c06f4e | 821 | char *name; |
d3fb6120 | 822 | umode_t mode; |
53c06f4e AK |
823 | struct v9fs_session_info *v9ses; |
824 | struct p9_fid *fid = NULL, *dfid = NULL; | |
825 | struct inode *inode; | |
53c06f4e AK |
826 | struct p9_qid qid; |
827 | struct dentry *dir_dentry; | |
828 | struct posix_acl *dacl = NULL, *pacl = NULL; | |
829 | ||
609eac1c | 830 | p9_debug(P9_DEBUG_VFS, " %lu,%s mode: %hx MAJOR: %u MINOR: %u\n", |
5d385153 JP |
831 | dir->i_ino, dentry->d_name.name, omode, |
832 | MAJOR(rdev), MINOR(rdev)); | |
53c06f4e AK |
833 | |
834 | if (!new_valid_dev(rdev)) | |
835 | return -EINVAL; | |
836 | ||
837 | v9ses = v9fs_inode2v9ses(dir); | |
af569596 | 838 | dir_dentry = dentry->d_parent; |
53c06f4e AK |
839 | dfid = v9fs_fid_lookup(dir_dentry); |
840 | if (IS_ERR(dfid)) { | |
841 | err = PTR_ERR(dfid); | |
5d385153 | 842 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
53c06f4e AK |
843 | dfid = NULL; |
844 | goto error; | |
845 | } | |
846 | ||
847 | gid = v9fs_get_fsgid_for_create(dir); | |
848 | mode = omode; | |
849 | /* Update mode based on ACL value */ | |
850 | err = v9fs_acl_mode(dir, &mode, &dacl, &pacl); | |
851 | if (err) { | |
5d385153 JP |
852 | p9_debug(P9_DEBUG_VFS, "Failed to get acl values in mknod %d\n", |
853 | err); | |
53c06f4e AK |
854 | goto error; |
855 | } | |
856 | name = (char *) dentry->d_name.name; | |
857 | ||
858 | err = p9_client_mknod_dotl(dfid, name, mode, rdev, gid, &qid); | |
859 | if (err < 0) | |
860 | goto error; | |
861 | ||
d28c61f0 | 862 | v9fs_invalidate_inode_attr(dir); |
3592ac44 AV |
863 | fid = p9_client_walk(dfid, 1, &name, 1); |
864 | if (IS_ERR(fid)) { | |
865 | err = PTR_ERR(fid); | |
866 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", | |
867 | err); | |
868 | fid = NULL; | |
869 | goto error; | |
870 | } | |
871 | ||
53c06f4e AK |
872 | /* instantiate inode and assign the unopened fid to the dentry */ |
873 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { | |
ed80fcfa | 874 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
53c06f4e AK |
875 | if (IS_ERR(inode)) { |
876 | err = PTR_ERR(inode); | |
5d385153 JP |
877 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", |
878 | err); | |
53c06f4e AK |
879 | goto error; |
880 | } | |
3592ac44 | 881 | v9fs_set_create_acl(inode, fid, dacl, pacl); |
2ea03e1d | 882 | v9fs_fid_add(dentry, fid); |
5441ae5e | 883 | d_instantiate(dentry, inode); |
53c06f4e | 884 | fid = NULL; |
2ea03e1d | 885 | err = 0; |
53c06f4e AK |
886 | } else { |
887 | /* | |
888 | * Not in cached mode. No need to populate inode with stat. | |
889 | * socket syscall returns a fd, so we need instantiate | |
890 | */ | |
45089142 | 891 | inode = v9fs_get_inode(dir->i_sb, mode, rdev); |
53c06f4e AK |
892 | if (IS_ERR(inode)) { |
893 | err = PTR_ERR(inode); | |
894 | goto error; | |
895 | } | |
3592ac44 | 896 | v9fs_set_create_acl(inode, fid, dacl, pacl); |
53c06f4e AK |
897 | d_instantiate(dentry, inode); |
898 | } | |
53c06f4e AK |
899 | error: |
900 | if (fid) | |
901 | p9_client_clunk(fid); | |
5fa6300a | 902 | v9fs_put_acl(dacl, pacl); |
53c06f4e AK |
903 | return err; |
904 | } | |
905 | ||
53c06f4e AK |
906 | /** |
907 | * v9fs_vfs_follow_link_dotl - follow a symlink path | |
908 | * @dentry: dentry for symlink | |
909 | * @nd: nameidata | |
910 | * | |
911 | */ | |
912 | ||
913 | static void * | |
914 | v9fs_vfs_follow_link_dotl(struct dentry *dentry, struct nameidata *nd) | |
915 | { | |
31b6ceac MK |
916 | int retval; |
917 | struct p9_fid *fid; | |
53c06f4e | 918 | char *link = __getname(); |
31b6ceac | 919 | char *target; |
53c06f4e | 920 | |
5d385153 | 921 | p9_debug(P9_DEBUG_VFS, "%s\n", dentry->d_name.name); |
53c06f4e | 922 | |
31b6ceac | 923 | if (!link) { |
53c06f4e | 924 | link = ERR_PTR(-ENOMEM); |
31b6ceac | 925 | goto ndset; |
53c06f4e | 926 | } |
31b6ceac MK |
927 | fid = v9fs_fid_lookup(dentry); |
928 | if (IS_ERR(fid)) { | |
929 | __putname(link); | |
936bb2d7 | 930 | link = ERR_CAST(fid); |
31b6ceac MK |
931 | goto ndset; |
932 | } | |
933 | retval = p9_client_readlink(fid, &target); | |
934 | if (!retval) { | |
935 | strcpy(link, target); | |
936 | kfree(target); | |
937 | goto ndset; | |
938 | } | |
939 | __putname(link); | |
940 | link = ERR_PTR(retval); | |
941 | ndset: | |
53c06f4e | 942 | nd_set_link(nd, link); |
53c06f4e AK |
943 | return NULL; |
944 | } | |
945 | ||
b3cbea03 AK |
946 | int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode) |
947 | { | |
948 | loff_t i_size; | |
949 | struct p9_stat_dotl *st; | |
950 | struct v9fs_session_info *v9ses; | |
951 | ||
952 | v9ses = v9fs_inode2v9ses(inode); | |
953 | st = p9_client_getattr_dotl(fid, P9_STATS_ALL); | |
954 | if (IS_ERR(st)) | |
955 | return PTR_ERR(st); | |
45089142 AK |
956 | /* |
957 | * Don't update inode if the file type is different | |
958 | */ | |
959 | if ((inode->i_mode & S_IFMT) != (st->st_mode & S_IFMT)) | |
960 | goto out; | |
b3cbea03 AK |
961 | |
962 | spin_lock(&inode->i_lock); | |
963 | /* | |
964 | * We don't want to refresh inode->i_size, | |
965 | * because we may have cached data | |
966 | */ | |
967 | i_size = inode->i_size; | |
968 | v9fs_stat2inode_dotl(st, inode); | |
fb89b45c | 969 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) |
b3cbea03 AK |
970 | inode->i_size = i_size; |
971 | spin_unlock(&inode->i_lock); | |
45089142 | 972 | out: |
b3cbea03 AK |
973 | kfree(st); |
974 | return 0; | |
975 | } | |
976 | ||
53c06f4e AK |
977 | const struct inode_operations v9fs_dir_inode_operations_dotl = { |
978 | .create = v9fs_vfs_create_dotl, | |
e43ae79c | 979 | .atomic_open = v9fs_vfs_atomic_open_dotl, |
53c06f4e AK |
980 | .lookup = v9fs_vfs_lookup, |
981 | .link = v9fs_vfs_link_dotl, | |
982 | .symlink = v9fs_vfs_symlink_dotl, | |
983 | .unlink = v9fs_vfs_unlink, | |
984 | .mkdir = v9fs_vfs_mkdir_dotl, | |
985 | .rmdir = v9fs_vfs_rmdir, | |
986 | .mknod = v9fs_vfs_mknod_dotl, | |
987 | .rename = v9fs_vfs_rename, | |
988 | .getattr = v9fs_vfs_getattr_dotl, | |
989 | .setattr = v9fs_vfs_setattr_dotl, | |
990 | .setxattr = generic_setxattr, | |
991 | .getxattr = generic_getxattr, | |
992 | .removexattr = generic_removexattr, | |
993 | .listxattr = v9fs_listxattr, | |
4e34e719 | 994 | .get_acl = v9fs_iop_get_acl, |
53c06f4e AK |
995 | }; |
996 | ||
997 | const struct inode_operations v9fs_file_inode_operations_dotl = { | |
998 | .getattr = v9fs_vfs_getattr_dotl, | |
999 | .setattr = v9fs_vfs_setattr_dotl, | |
1000 | .setxattr = generic_setxattr, | |
1001 | .getxattr = generic_getxattr, | |
1002 | .removexattr = generic_removexattr, | |
1003 | .listxattr = v9fs_listxattr, | |
4e34e719 | 1004 | .get_acl = v9fs_iop_get_acl, |
53c06f4e AK |
1005 | }; |
1006 | ||
1007 | const struct inode_operations v9fs_symlink_inode_operations_dotl = { | |
31b6ceac | 1008 | .readlink = generic_readlink, |
53c06f4e AK |
1009 | .follow_link = v9fs_vfs_follow_link_dotl, |
1010 | .put_link = v9fs_vfs_put_link, | |
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, | |
1017 | }; |