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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 | ||
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; | |
8ee03163 TT |
90 | |
91 | if (v9inode->qid.path != st->qid.path) | |
92 | return 0; | |
fd2421f5 AK |
93 | return 1; |
94 | } | |
95 | ||
ed80fcfa AK |
96 | /* Always get a new inode */ |
97 | static int v9fs_test_new_inode_dotl(struct inode *inode, void *data) | |
98 | { | |
99 | return 0; | |
100 | } | |
101 | ||
fd2421f5 AK |
102 | static int v9fs_set_inode_dotl(struct inode *inode, void *data) |
103 | { | |
104 | struct v9fs_inode *v9inode = V9FS_I(inode); | |
105 | struct p9_stat_dotl *st = (struct p9_stat_dotl *)data; | |
106 | ||
107 | memcpy(&v9inode->qid, &st->qid, sizeof(st->qid)); | |
108 | inode->i_generation = st->st_gen; | |
109 | return 0; | |
110 | } | |
111 | ||
5ffc0cb3 AK |
112 | static struct inode *v9fs_qid_iget_dotl(struct super_block *sb, |
113 | struct p9_qid *qid, | |
114 | struct p9_fid *fid, | |
ed80fcfa AK |
115 | struct p9_stat_dotl *st, |
116 | int new) | |
5ffc0cb3 AK |
117 | { |
118 | int retval; | |
119 | unsigned long i_ino; | |
120 | struct inode *inode; | |
121 | struct v9fs_session_info *v9ses = sb->s_fs_info; | |
ed80fcfa AK |
122 | int (*test)(struct inode *, void *); |
123 | ||
124 | if (new) | |
125 | test = v9fs_test_new_inode_dotl; | |
126 | else | |
127 | test = v9fs_test_inode_dotl; | |
5ffc0cb3 AK |
128 | |
129 | i_ino = v9fs_qid2ino(qid); | |
ed80fcfa | 130 | inode = iget5_locked(sb, i_ino, test, v9fs_set_inode_dotl, st); |
5ffc0cb3 AK |
131 | if (!inode) |
132 | return ERR_PTR(-ENOMEM); | |
133 | if (!(inode->i_state & I_NEW)) | |
134 | return inode; | |
135 | /* | |
136 | * initialize the inode with the stat info | |
137 | * FIXME!! we may need support for stale inodes | |
138 | * later. | |
139 | */ | |
fd2421f5 | 140 | inode->i_ino = i_ino; |
45089142 AK |
141 | retval = v9fs_init_inode(v9ses, inode, |
142 | st->st_mode, new_decode_dev(st->st_rdev)); | |
5ffc0cb3 AK |
143 | if (retval) |
144 | goto error; | |
145 | ||
994eb98b | 146 | v9fs_stat2inode_dotl(st, inode, 0); |
5ffc0cb3 | 147 | v9fs_cache_inode_get_cookie(inode); |
5ffc0cb3 AK |
148 | retval = v9fs_get_acl(inode, fid); |
149 | if (retval) | |
150 | goto error; | |
151 | ||
152 | unlock_new_inode(inode); | |
153 | return inode; | |
154 | error: | |
0a73d0a2 | 155 | iget_failed(inode); |
5ffc0cb3 AK |
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 }, | |
f88657ce AK |
189 | { O_APPEND, P9_DOTL_APPEND }, |
190 | { O_NONBLOCK, P9_DOTL_NONBLOCK }, | |
191 | { O_DSYNC, P9_DOTL_DSYNC }, | |
192 | { FASYNC, P9_DOTL_FASYNC }, | |
193 | { O_DIRECT, P9_DOTL_DIRECT }, | |
194 | { O_LARGEFILE, P9_DOTL_LARGEFILE }, | |
195 | { O_DIRECTORY, P9_DOTL_DIRECTORY }, | |
196 | { O_NOFOLLOW, P9_DOTL_NOFOLLOW }, | |
197 | { O_NOATIME, P9_DOTL_NOATIME }, | |
198 | { O_CLOEXEC, P9_DOTL_CLOEXEC }, | |
199 | { O_SYNC, P9_DOTL_SYNC}, | |
200 | }; | |
201 | for (i = 0; i < ARRAY_SIZE(dotl_oflag_map); i++) { | |
202 | if (flags & dotl_oflag_map[i].open_flag) | |
203 | rflags |= dotl_oflag_map[i].dotl_flag; | |
204 | } | |
205 | return rflags; | |
206 | } | |
207 | ||
208 | /** | |
209 | * v9fs_open_to_dotl_flags- convert Linux specific open flags to | |
210 | * plan 9 open flag. | |
211 | * @flags: flags to convert | |
212 | */ | |
213 | int v9fs_open_to_dotl_flags(int flags) | |
214 | { | |
215 | int rflags = 0; | |
216 | ||
217 | /* | |
218 | * We have same bits for P9_DOTL_READONLY, P9_DOTL_WRONLY | |
219 | * and P9_DOTL_NOACCESS | |
220 | */ | |
221 | rflags |= flags & O_ACCMODE; | |
222 | rflags |= v9fs_mapped_dotl_flags(flags); | |
223 | ||
224 | return rflags; | |
225 | } | |
226 | ||
53c06f4e AK |
227 | /** |
228 | * v9fs_vfs_create_dotl - VFS hook to create files for 9P2000.L protocol. | |
229 | * @dir: directory inode that is being created | |
230 | * @dentry: dentry that is being deleted | |
fd2916bd | 231 | * @omode: create permissions |
53c06f4e AK |
232 | * |
233 | */ | |
234 | ||
235 | static int | |
4acdaf27 | 236 | v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, |
ebfc3b49 | 237 | bool excl) |
e43ae79c MS |
238 | { |
239 | return v9fs_vfs_mknod_dotl(dir, dentry, omode, 0); | |
240 | } | |
241 | ||
d9585277 | 242 | static int |
e43ae79c | 243 | v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry, |
30d90494 | 244 | struct file *file, unsigned flags, umode_t omode, |
47237687 | 245 | int *opened) |
53c06f4e AK |
246 | { |
247 | int err = 0; | |
d4ef4e35 | 248 | kgid_t gid; |
d3fb6120 | 249 | umode_t mode; |
7880b43b | 250 | const unsigned char *name = NULL; |
53c06f4e AK |
251 | struct p9_qid qid; |
252 | struct inode *inode; | |
6b39f6d2 AK |
253 | struct p9_fid *fid = NULL; |
254 | struct v9fs_inode *v9inode; | |
255 | struct p9_fid *dfid, *ofid, *inode_fid; | |
256 | struct v9fs_session_info *v9ses; | |
53c06f4e | 257 | struct posix_acl *pacl = NULL, *dacl = NULL; |
e43ae79c | 258 | struct dentry *res = NULL; |
53c06f4e | 259 | |
00699ad8 | 260 | if (d_in_lookup(dentry)) { |
00cd8dd3 | 261 | res = v9fs_vfs_lookup(dir, dentry, 0); |
e43ae79c | 262 | if (IS_ERR(res)) |
d9585277 | 263 | return PTR_ERR(res); |
e43ae79c MS |
264 | |
265 | if (res) | |
266 | dentry = res; | |
267 | } | |
268 | ||
269 | /* Only creates */ | |
2b0143b5 | 270 | if (!(flags & O_CREAT) || d_really_is_positive(dentry)) |
b6f4bee0 | 271 | return finish_no_open(file, res); |
53c06f4e | 272 | |
e43ae79c MS |
273 | v9ses = v9fs_inode2v9ses(dir); |
274 | ||
7880b43b | 275 | name = dentry->d_name.name; |
609eac1c | 276 | p9_debug(P9_DEBUG_VFS, "name:%s flags:0x%x mode:0x%hx\n", |
5d385153 | 277 | name, flags, omode); |
53c06f4e | 278 | |
77d5a6b7 | 279 | dfid = v9fs_parent_fid(dentry); |
53c06f4e AK |
280 | if (IS_ERR(dfid)) { |
281 | err = PTR_ERR(dfid); | |
5d385153 | 282 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
d9585277 | 283 | goto out; |
53c06f4e AK |
284 | } |
285 | ||
286 | /* clone a fid to use for creation */ | |
7d50a29f | 287 | ofid = clone_fid(dfid); |
53c06f4e AK |
288 | if (IS_ERR(ofid)) { |
289 | err = PTR_ERR(ofid); | |
5d385153 | 290 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err); |
d9585277 | 291 | goto out; |
53c06f4e AK |
292 | } |
293 | ||
294 | gid = v9fs_get_fsgid_for_create(dir); | |
295 | ||
296 | mode = omode; | |
297 | /* Update mode based on ACL value */ | |
298 | err = v9fs_acl_mode(dir, &mode, &dacl, &pacl); | |
299 | if (err) { | |
5d385153 JP |
300 | p9_debug(P9_DEBUG_VFS, "Failed to get acl values in creat %d\n", |
301 | err); | |
53c06f4e AK |
302 | goto error; |
303 | } | |
f88657ce AK |
304 | err = p9_client_create_dotl(ofid, name, v9fs_open_to_dotl_flags(flags), |
305 | mode, gid, &qid); | |
53c06f4e | 306 | if (err < 0) { |
5d385153 JP |
307 | p9_debug(P9_DEBUG_VFS, "p9_client_open_dotl failed in creat %d\n", |
308 | err); | |
53c06f4e AK |
309 | goto error; |
310 | } | |
d28c61f0 | 311 | v9fs_invalidate_inode_attr(dir); |
53c06f4e | 312 | |
af7542fc AK |
313 | /* instantiate inode and assign the unopened fid to the dentry */ |
314 | fid = p9_client_walk(dfid, 1, &name, 1); | |
315 | if (IS_ERR(fid)) { | |
316 | err = PTR_ERR(fid); | |
5d385153 | 317 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err); |
53c06f4e | 318 | fid = NULL; |
af7542fc | 319 | goto error; |
53c06f4e | 320 | } |
ed80fcfa | 321 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
af7542fc AK |
322 | if (IS_ERR(inode)) { |
323 | err = PTR_ERR(inode); | |
5d385153 | 324 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", err); |
af7542fc AK |
325 | goto error; |
326 | } | |
3592ac44 AV |
327 | /* Now set the ACL based on the default value */ |
328 | v9fs_set_create_acl(inode, fid, dacl, pacl); | |
329 | ||
2ea03e1d | 330 | v9fs_fid_add(dentry, fid); |
5441ae5e | 331 | d_instantiate(dentry, inode); |
af7542fc | 332 | |
6b39f6d2 | 333 | v9inode = V9FS_I(inode); |
5a7e0a8c | 334 | mutex_lock(&v9inode->v_mutex); |
fb89b45c DM |
335 | if ((v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) && |
336 | !v9inode->writeback_fid && | |
7add697a | 337 | ((flags & O_ACCMODE) != O_RDONLY)) { |
3cf387d7 | 338 | /* |
6b39f6d2 | 339 | * clone a fid and add it to writeback_fid |
3cf387d7 AK |
340 | * we do it during open time instead of |
341 | * page dirty time via write_begin/page_mkwrite | |
342 | * because we want write after unlink usecase | |
343 | * to work. | |
344 | */ | |
345 | inode_fid = v9fs_writeback_fid(dentry); | |
346 | if (IS_ERR(inode_fid)) { | |
347 | err = PTR_ERR(inode_fid); | |
5a7e0a8c | 348 | mutex_unlock(&v9inode->v_mutex); |
398c4f0e | 349 | goto err_clunk_old_fid; |
3cf387d7 | 350 | } |
6b39f6d2 | 351 | v9inode->writeback_fid = (void *) inode_fid; |
3cf387d7 | 352 | } |
5a7e0a8c | 353 | mutex_unlock(&v9inode->v_mutex); |
af7542fc | 354 | /* Since we are opening a file, assign the open fid to the file */ |
30d90494 AV |
355 | err = finish_open(file, dentry, generic_file_open, opened); |
356 | if (err) | |
398c4f0e | 357 | goto err_clunk_old_fid; |
30d90494 | 358 | file->private_data = ofid; |
fb89b45c | 359 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) |
30d90494 | 360 | v9fs_cache_inode_set_cookie(inode, file); |
47237687 | 361 | *opened |= FILE_CREATED; |
e43ae79c | 362 | out: |
5fa6300a | 363 | v9fs_put_acl(dacl, pacl); |
e43ae79c | 364 | dput(res); |
d9585277 | 365 | return err; |
53c06f4e AK |
366 | |
367 | error: | |
53c06f4e AK |
368 | if (fid) |
369 | p9_client_clunk(fid); | |
398c4f0e AK |
370 | err_clunk_old_fid: |
371 | if (ofid) | |
372 | p9_client_clunk(ofid); | |
e43ae79c | 373 | goto out; |
53c06f4e AK |
374 | } |
375 | ||
376 | /** | |
377 | * v9fs_vfs_mkdir_dotl - VFS mkdir hook to create a directory | |
378 | * @dir: inode that is being unlinked | |
379 | * @dentry: dentry that is being unlinked | |
fd2916bd | 380 | * @omode: mode for new directory |
53c06f4e AK |
381 | * |
382 | */ | |
383 | ||
384 | static int v9fs_vfs_mkdir_dotl(struct inode *dir, | |
18bb1db3 | 385 | struct dentry *dentry, umode_t omode) |
53c06f4e AK |
386 | { |
387 | int err; | |
388 | struct v9fs_session_info *v9ses; | |
389 | struct p9_fid *fid = NULL, *dfid = NULL; | |
d4ef4e35 | 390 | kgid_t gid; |
7880b43b | 391 | const unsigned char *name; |
d3fb6120 | 392 | umode_t mode; |
53c06f4e AK |
393 | struct inode *inode; |
394 | struct p9_qid qid; | |
53c06f4e AK |
395 | struct posix_acl *dacl = NULL, *pacl = NULL; |
396 | ||
4b8e9923 | 397 | p9_debug(P9_DEBUG_VFS, "name %pd\n", dentry); |
53c06f4e AK |
398 | err = 0; |
399 | v9ses = v9fs_inode2v9ses(dir); | |
400 | ||
401 | omode |= S_IFDIR; | |
402 | if (dir->i_mode & S_ISGID) | |
403 | omode |= S_ISGID; | |
404 | ||
77d5a6b7 | 405 | dfid = v9fs_parent_fid(dentry); |
53c06f4e AK |
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 | } | |
7880b43b | 422 | name = dentry->d_name.name; |
53c06f4e AK |
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 | |
a528d35e DH |
474 | v9fs_vfs_getattr_dotl(const struct path *path, struct kstat *stat, |
475 | u32 request_mask, unsigned int flags) | |
53c06f4e | 476 | { |
a528d35e | 477 | struct dentry *dentry = path->dentry; |
53c06f4e AK |
478 | struct v9fs_session_info *v9ses; |
479 | struct p9_fid *fid; | |
480 | struct p9_stat_dotl *st; | |
481 | ||
5d385153 | 482 | p9_debug(P9_DEBUG_VFS, "dentry: %p\n", dentry); |
42869c8a | 483 | v9ses = v9fs_dentry2v9ses(dentry); |
a1211908 | 484 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { |
2b0143b5 | 485 | generic_fillattr(d_inode(dentry), stat); |
a1211908 AK |
486 | return 0; |
487 | } | |
53c06f4e AK |
488 | fid = v9fs_fid_lookup(dentry); |
489 | if (IS_ERR(fid)) | |
490 | return PTR_ERR(fid); | |
491 | ||
492 | /* Ask for all the fields in stat structure. Server will return | |
493 | * whatever it supports | |
494 | */ | |
495 | ||
496 | st = p9_client_getattr_dotl(fid, P9_STATS_ALL); | |
497 | if (IS_ERR(st)) | |
498 | return PTR_ERR(st); | |
499 | ||
994eb98b | 500 | v9fs_stat2inode_dotl(st, d_inode(dentry), 0); |
2b0143b5 | 501 | generic_fillattr(d_inode(dentry), stat); |
53c06f4e AK |
502 | /* Change block size to what the server returned */ |
503 | stat->blksize = st->st_blksize; | |
504 | ||
505 | kfree(st); | |
506 | return 0; | |
507 | } | |
508 | ||
f766619d AK |
509 | /* |
510 | * Attribute flags. | |
511 | */ | |
512 | #define P9_ATTR_MODE (1 << 0) | |
513 | #define P9_ATTR_UID (1 << 1) | |
514 | #define P9_ATTR_GID (1 << 2) | |
515 | #define P9_ATTR_SIZE (1 << 3) | |
516 | #define P9_ATTR_ATIME (1 << 4) | |
517 | #define P9_ATTR_MTIME (1 << 5) | |
518 | #define P9_ATTR_CTIME (1 << 6) | |
519 | #define P9_ATTR_ATIME_SET (1 << 7) | |
520 | #define P9_ATTR_MTIME_SET (1 << 8) | |
521 | ||
522 | struct dotl_iattr_map { | |
523 | int iattr_valid; | |
524 | int p9_iattr_valid; | |
525 | }; | |
526 | ||
527 | static int v9fs_mapped_iattr_valid(int iattr_valid) | |
528 | { | |
529 | int i; | |
530 | int p9_iattr_valid = 0; | |
531 | struct dotl_iattr_map dotl_iattr_map[] = { | |
532 | { ATTR_MODE, P9_ATTR_MODE }, | |
533 | { ATTR_UID, P9_ATTR_UID }, | |
534 | { ATTR_GID, P9_ATTR_GID }, | |
535 | { ATTR_SIZE, P9_ATTR_SIZE }, | |
536 | { ATTR_ATIME, P9_ATTR_ATIME }, | |
537 | { ATTR_MTIME, P9_ATTR_MTIME }, | |
538 | { ATTR_CTIME, P9_ATTR_CTIME }, | |
539 | { ATTR_ATIME_SET, P9_ATTR_ATIME_SET }, | |
540 | { ATTR_MTIME_SET, P9_ATTR_MTIME_SET }, | |
541 | }; | |
542 | for (i = 0; i < ARRAY_SIZE(dotl_iattr_map); i++) { | |
543 | if (iattr_valid & dotl_iattr_map[i].iattr_valid) | |
544 | p9_iattr_valid |= dotl_iattr_map[i].p9_iattr_valid; | |
545 | } | |
546 | return p9_iattr_valid; | |
547 | } | |
548 | ||
53c06f4e AK |
549 | /** |
550 | * v9fs_vfs_setattr_dotl - set file metadata | |
551 | * @dentry: file whose metadata to set | |
552 | * @iattr: metadata assignment structure | |
553 | * | |
554 | */ | |
555 | ||
556 | int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) | |
557 | { | |
558 | int retval; | |
53c06f4e AK |
559 | struct p9_fid *fid; |
560 | struct p9_iattr_dotl p9attr; | |
2b0143b5 | 561 | struct inode *inode = d_inode(dentry); |
53c06f4e | 562 | |
5d385153 | 563 | p9_debug(P9_DEBUG_VFS, "\n"); |
53c06f4e | 564 | |
31051c85 | 565 | retval = setattr_prepare(dentry, iattr); |
53c06f4e AK |
566 | if (retval) |
567 | return retval; | |
568 | ||
f766619d | 569 | p9attr.valid = v9fs_mapped_iattr_valid(iattr->ia_valid); |
53c06f4e AK |
570 | p9attr.mode = iattr->ia_mode; |
571 | p9attr.uid = iattr->ia_uid; | |
572 | p9attr.gid = iattr->ia_gid; | |
573 | p9attr.size = iattr->ia_size; | |
574 | p9attr.atime_sec = iattr->ia_atime.tv_sec; | |
575 | p9attr.atime_nsec = iattr->ia_atime.tv_nsec; | |
576 | p9attr.mtime_sec = iattr->ia_mtime.tv_sec; | |
577 | p9attr.mtime_nsec = iattr->ia_mtime.tv_nsec; | |
578 | ||
53c06f4e AK |
579 | fid = v9fs_fid_lookup(dentry); |
580 | if (IS_ERR(fid)) | |
581 | return PTR_ERR(fid); | |
582 | ||
3dc5436a | 583 | /* Write all dirty data */ |
be308f07 AV |
584 | if (S_ISREG(inode->i_mode)) |
585 | filemap_write_and_wait(inode->i_mapping); | |
3dc5436a | 586 | |
f10fc50f AK |
587 | retval = p9_client_setattr(fid, &p9attr); |
588 | if (retval < 0) | |
589 | return retval; | |
53c06f4e | 590 | |
059c138b | 591 | if ((iattr->ia_valid & ATTR_SIZE) && |
be308f07 AV |
592 | iattr->ia_size != i_size_read(inode)) |
593 | truncate_setsize(inode, iattr->ia_size); | |
059c138b | 594 | |
be308f07 AV |
595 | v9fs_invalidate_inode_attr(inode); |
596 | setattr_copy(inode, iattr); | |
597 | mark_inode_dirty(inode); | |
53c06f4e AK |
598 | if (iattr->ia_valid & ATTR_MODE) { |
599 | /* We also want to update ACL when we update mode bits */ | |
be308f07 | 600 | retval = v9fs_acl_chmod(inode, fid); |
53c06f4e AK |
601 | if (retval < 0) |
602 | return retval; | |
603 | } | |
604 | return 0; | |
605 | } | |
606 | ||
607 | /** | |
608 | * v9fs_stat2inode_dotl - populate an inode structure with stat info | |
609 | * @stat: stat structure | |
610 | * @inode: inode to populate | |
994eb98b | 611 | * @flags: ctrl flags (e.g. V9FS_STAT2INODE_KEEP_ISIZE) |
53c06f4e AK |
612 | * |
613 | */ | |
614 | ||
615 | void | |
994eb98b HT |
616 | v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode, |
617 | unsigned int flags) | |
53c06f4e | 618 | { |
3eda0de6 | 619 | umode_t mode; |
b3cbea03 | 620 | struct v9fs_inode *v9inode = V9FS_I(inode); |
53c06f4e AK |
621 | |
622 | if ((stat->st_result_mask & P9_STATS_BASIC) == P9_STATS_BASIC) { | |
623 | inode->i_atime.tv_sec = stat->st_atime_sec; | |
624 | inode->i_atime.tv_nsec = stat->st_atime_nsec; | |
625 | inode->i_mtime.tv_sec = stat->st_mtime_sec; | |
626 | inode->i_mtime.tv_nsec = stat->st_mtime_nsec; | |
627 | inode->i_ctime.tv_sec = stat->st_ctime_sec; | |
628 | inode->i_ctime.tv_nsec = stat->st_ctime_nsec; | |
629 | inode->i_uid = stat->st_uid; | |
630 | inode->i_gid = stat->st_gid; | |
bfe86848 | 631 | set_nlink(inode, stat->st_nlink); |
53c06f4e | 632 | |
45089142 AK |
633 | mode = stat->st_mode & S_IALLUGO; |
634 | mode |= inode->i_mode & ~S_IALLUGO; | |
635 | inode->i_mode = mode; | |
53c06f4e | 636 | |
994eb98b HT |
637 | if (!(flags & V9FS_STAT2INODE_KEEP_ISIZE)) |
638 | v9fs_i_size_write(inode, stat->st_size); | |
53c06f4e AK |
639 | inode->i_blocks = stat->st_blocks; |
640 | } else { | |
641 | if (stat->st_result_mask & P9_STATS_ATIME) { | |
642 | inode->i_atime.tv_sec = stat->st_atime_sec; | |
643 | inode->i_atime.tv_nsec = stat->st_atime_nsec; | |
644 | } | |
645 | if (stat->st_result_mask & P9_STATS_MTIME) { | |
646 | inode->i_mtime.tv_sec = stat->st_mtime_sec; | |
647 | inode->i_mtime.tv_nsec = stat->st_mtime_nsec; | |
648 | } | |
649 | if (stat->st_result_mask & P9_STATS_CTIME) { | |
650 | inode->i_ctime.tv_sec = stat->st_ctime_sec; | |
651 | inode->i_ctime.tv_nsec = stat->st_ctime_nsec; | |
652 | } | |
653 | if (stat->st_result_mask & P9_STATS_UID) | |
654 | inode->i_uid = stat->st_uid; | |
655 | if (stat->st_result_mask & P9_STATS_GID) | |
656 | inode->i_gid = stat->st_gid; | |
657 | if (stat->st_result_mask & P9_STATS_NLINK) | |
bfe86848 | 658 | set_nlink(inode, stat->st_nlink); |
53c06f4e AK |
659 | if (stat->st_result_mask & P9_STATS_MODE) { |
660 | inode->i_mode = stat->st_mode; | |
661 | if ((S_ISBLK(inode->i_mode)) || | |
662 | (S_ISCHR(inode->i_mode))) | |
663 | init_special_inode(inode, inode->i_mode, | |
664 | inode->i_rdev); | |
665 | } | |
666 | if (stat->st_result_mask & P9_STATS_RDEV) | |
667 | inode->i_rdev = new_decode_dev(stat->st_rdev); | |
994eb98b HT |
668 | if (!(flags & V9FS_STAT2INODE_KEEP_ISIZE) && |
669 | stat->st_result_mask & P9_STATS_SIZE) | |
670 | v9fs_i_size_write(inode, stat->st_size); | |
53c06f4e AK |
671 | if (stat->st_result_mask & P9_STATS_BLOCKS) |
672 | inode->i_blocks = stat->st_blocks; | |
673 | } | |
674 | if (stat->st_result_mask & P9_STATS_GEN) | |
fd2421f5 | 675 | inode->i_generation = stat->st_gen; |
53c06f4e AK |
676 | |
677 | /* Currently we don't support P9_STATS_BTIME and P9_STATS_DATA_VERSION | |
678 | * because the inode structure does not have fields for them. | |
679 | */ | |
b3cbea03 | 680 | v9inode->cache_validity &= ~V9FS_INO_INVALID_ATTR; |
53c06f4e AK |
681 | } |
682 | ||
683 | static int | |
684 | v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry, | |
685 | const char *symname) | |
686 | { | |
53c06f4e | 687 | int err; |
d4ef4e35 | 688 | kgid_t gid; |
7880b43b | 689 | const unsigned char *name; |
d28c61f0 AK |
690 | struct p9_qid qid; |
691 | struct inode *inode; | |
692 | struct p9_fid *dfid; | |
693 | struct p9_fid *fid = NULL; | |
694 | struct v9fs_session_info *v9ses; | |
53c06f4e | 695 | |
7880b43b | 696 | name = dentry->d_name.name; |
5d385153 | 697 | p9_debug(P9_DEBUG_VFS, "%lu,%s,%s\n", dir->i_ino, name, symname); |
53c06f4e AK |
698 | v9ses = v9fs_inode2v9ses(dir); |
699 | ||
77d5a6b7 | 700 | dfid = v9fs_parent_fid(dentry); |
53c06f4e AK |
701 | if (IS_ERR(dfid)) { |
702 | err = PTR_ERR(dfid); | |
5d385153 | 703 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
53c06f4e AK |
704 | return err; |
705 | } | |
706 | ||
707 | gid = v9fs_get_fsgid_for_create(dir); | |
708 | ||
709 | /* Server doesn't alter fid on TSYMLINK. Hence no need to clone it. */ | |
7880b43b | 710 | err = p9_client_symlink(dfid, name, symname, gid, &qid); |
53c06f4e AK |
711 | |
712 | if (err < 0) { | |
5d385153 | 713 | p9_debug(P9_DEBUG_VFS, "p9_client_symlink failed %d\n", err); |
53c06f4e AK |
714 | goto error; |
715 | } | |
716 | ||
d28c61f0 | 717 | v9fs_invalidate_inode_attr(dir); |
fb89b45c | 718 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { |
53c06f4e AK |
719 | /* Now walk from the parent so we can get an unopened fid. */ |
720 | fid = p9_client_walk(dfid, 1, &name, 1); | |
721 | if (IS_ERR(fid)) { | |
722 | err = PTR_ERR(fid); | |
5d385153 JP |
723 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", |
724 | err); | |
53c06f4e AK |
725 | fid = NULL; |
726 | goto error; | |
727 | } | |
728 | ||
729 | /* instantiate inode and assign the unopened fid to dentry */ | |
ed80fcfa | 730 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
53c06f4e AK |
731 | if (IS_ERR(inode)) { |
732 | err = PTR_ERR(inode); | |
5d385153 JP |
733 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", |
734 | err); | |
53c06f4e AK |
735 | goto error; |
736 | } | |
2ea03e1d | 737 | v9fs_fid_add(dentry, fid); |
5441ae5e | 738 | d_instantiate(dentry, inode); |
53c06f4e | 739 | fid = NULL; |
2ea03e1d | 740 | err = 0; |
53c06f4e AK |
741 | } else { |
742 | /* Not in cached mode. No need to populate inode with stat */ | |
45089142 | 743 | inode = v9fs_get_inode(dir->i_sb, S_IFLNK, 0); |
53c06f4e AK |
744 | if (IS_ERR(inode)) { |
745 | err = PTR_ERR(inode); | |
746 | goto error; | |
747 | } | |
53c06f4e AK |
748 | d_instantiate(dentry, inode); |
749 | } | |
750 | ||
751 | error: | |
752 | if (fid) | |
753 | p9_client_clunk(fid); | |
754 | ||
755 | return err; | |
756 | } | |
757 | ||
758 | /** | |
759 | * v9fs_vfs_link_dotl - create a hardlink for dotl | |
760 | * @old_dentry: dentry for file to link to | |
761 | * @dir: inode destination for new link | |
762 | * @dentry: dentry for link | |
763 | * | |
764 | */ | |
765 | ||
766 | static int | |
767 | v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir, | |
768 | struct dentry *dentry) | |
769 | { | |
770 | int err; | |
d28c61f0 AK |
771 | struct p9_fid *dfid, *oldfid; |
772 | struct v9fs_session_info *v9ses; | |
53c06f4e | 773 | |
4b8e9923 AV |
774 | p9_debug(P9_DEBUG_VFS, "dir ino: %lu, old_name: %pd, new_name: %pd\n", |
775 | dir->i_ino, old_dentry, dentry); | |
53c06f4e AK |
776 | |
777 | v9ses = v9fs_inode2v9ses(dir); | |
77d5a6b7 | 778 | dfid = v9fs_parent_fid(dentry); |
53c06f4e AK |
779 | if (IS_ERR(dfid)) |
780 | return PTR_ERR(dfid); | |
781 | ||
782 | oldfid = v9fs_fid_lookup(old_dentry); | |
783 | if (IS_ERR(oldfid)) | |
784 | return PTR_ERR(oldfid); | |
785 | ||
7880b43b | 786 | err = p9_client_link(dfid, oldfid, dentry->d_name.name); |
53c06f4e AK |
787 | |
788 | if (err < 0) { | |
5d385153 | 789 | p9_debug(P9_DEBUG_VFS, "p9_client_link failed %d\n", err); |
53c06f4e AK |
790 | return err; |
791 | } | |
792 | ||
d28c61f0 | 793 | v9fs_invalidate_inode_attr(dir); |
53c06f4e AK |
794 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { |
795 | /* Get the latest stat info from server. */ | |
796 | struct p9_fid *fid; | |
53c06f4e AK |
797 | fid = v9fs_fid_lookup(old_dentry); |
798 | if (IS_ERR(fid)) | |
799 | return PTR_ERR(fid); | |
800 | ||
2b0143b5 | 801 | v9fs_refresh_inode_dotl(fid, d_inode(old_dentry)); |
53c06f4e | 802 | } |
2b0143b5 DH |
803 | ihold(d_inode(old_dentry)); |
804 | d_instantiate(dentry, d_inode(old_dentry)); | |
53c06f4e AK |
805 | |
806 | return err; | |
807 | } | |
808 | ||
809 | /** | |
810 | * v9fs_vfs_mknod_dotl - create a special file | |
811 | * @dir: inode destination for new link | |
812 | * @dentry: dentry for file | |
fd2916bd | 813 | * @omode: mode for creation |
53c06f4e AK |
814 | * @rdev: device associated with special file |
815 | * | |
816 | */ | |
817 | static int | |
1a67aafb | 818 | v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, |
53c06f4e AK |
819 | dev_t rdev) |
820 | { | |
821 | int err; | |
d4ef4e35 | 822 | kgid_t gid; |
7880b43b | 823 | const unsigned char *name; |
d3fb6120 | 824 | umode_t mode; |
53c06f4e AK |
825 | struct v9fs_session_info *v9ses; |
826 | struct p9_fid *fid = NULL, *dfid = NULL; | |
827 | struct inode *inode; | |
53c06f4e | 828 | struct p9_qid qid; |
53c06f4e AK |
829 | struct posix_acl *dacl = NULL, *pacl = NULL; |
830 | ||
a455589f AV |
831 | p9_debug(P9_DEBUG_VFS, " %lu,%pd mode: %hx MAJOR: %u MINOR: %u\n", |
832 | dir->i_ino, dentry, omode, | |
5d385153 | 833 | MAJOR(rdev), MINOR(rdev)); |
53c06f4e | 834 | |
53c06f4e | 835 | v9ses = v9fs_inode2v9ses(dir); |
77d5a6b7 | 836 | dfid = v9fs_parent_fid(dentry); |
53c06f4e AK |
837 | if (IS_ERR(dfid)) { |
838 | err = PTR_ERR(dfid); | |
5d385153 | 839 | p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err); |
53c06f4e AK |
840 | dfid = NULL; |
841 | goto error; | |
842 | } | |
843 | ||
844 | gid = v9fs_get_fsgid_for_create(dir); | |
845 | mode = omode; | |
846 | /* Update mode based on ACL value */ | |
847 | err = v9fs_acl_mode(dir, &mode, &dacl, &pacl); | |
848 | if (err) { | |
5d385153 JP |
849 | p9_debug(P9_DEBUG_VFS, "Failed to get acl values in mknod %d\n", |
850 | err); | |
53c06f4e AK |
851 | goto error; |
852 | } | |
7880b43b | 853 | name = dentry->d_name.name; |
53c06f4e AK |
854 | |
855 | err = p9_client_mknod_dotl(dfid, name, mode, rdev, gid, &qid); | |
856 | if (err < 0) | |
857 | goto error; | |
858 | ||
d28c61f0 | 859 | v9fs_invalidate_inode_attr(dir); |
3592ac44 AV |
860 | fid = p9_client_walk(dfid, 1, &name, 1); |
861 | if (IS_ERR(fid)) { | |
862 | err = PTR_ERR(fid); | |
863 | p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", | |
864 | err); | |
865 | fid = NULL; | |
866 | goto error; | |
867 | } | |
868 | ||
53c06f4e AK |
869 | /* instantiate inode and assign the unopened fid to the dentry */ |
870 | if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { | |
ed80fcfa | 871 | inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb); |
53c06f4e AK |
872 | if (IS_ERR(inode)) { |
873 | err = PTR_ERR(inode); | |
5d385153 JP |
874 | p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", |
875 | err); | |
53c06f4e AK |
876 | goto error; |
877 | } | |
3592ac44 | 878 | v9fs_set_create_acl(inode, fid, dacl, pacl); |
2ea03e1d | 879 | v9fs_fid_add(dentry, fid); |
5441ae5e | 880 | d_instantiate(dentry, inode); |
53c06f4e | 881 | fid = NULL; |
2ea03e1d | 882 | err = 0; |
53c06f4e AK |
883 | } else { |
884 | /* | |
885 | * Not in cached mode. No need to populate inode with stat. | |
886 | * socket syscall returns a fd, so we need instantiate | |
887 | */ | |
45089142 | 888 | inode = v9fs_get_inode(dir->i_sb, mode, rdev); |
53c06f4e AK |
889 | if (IS_ERR(inode)) { |
890 | err = PTR_ERR(inode); | |
891 | goto error; | |
892 | } | |
3592ac44 | 893 | v9fs_set_create_acl(inode, fid, dacl, pacl); |
53c06f4e AK |
894 | d_instantiate(dentry, inode); |
895 | } | |
53c06f4e AK |
896 | error: |
897 | if (fid) | |
898 | p9_client_clunk(fid); | |
5fa6300a | 899 | v9fs_put_acl(dacl, pacl); |
53c06f4e AK |
900 | return err; |
901 | } | |
902 | ||
53c06f4e | 903 | /** |
6b255391 | 904 | * v9fs_vfs_get_link_dotl - follow a symlink path |
53c06f4e | 905 | * @dentry: dentry for symlink |
6b255391 | 906 | * @inode: inode for symlink |
fceef393 | 907 | * @done: destructor for return value |
53c06f4e AK |
908 | */ |
909 | ||
680baacb | 910 | static const char * |
6b255391 | 911 | v9fs_vfs_get_link_dotl(struct dentry *dentry, |
fceef393 AV |
912 | struct inode *inode, |
913 | struct delayed_call *done) | |
53c06f4e | 914 | { |
6b255391 | 915 | struct p9_fid *fid; |
31b6ceac | 916 | char *target; |
90e4fc88 | 917 | int retval; |
53c06f4e | 918 | |
6b255391 AV |
919 | if (!dentry) |
920 | return ERR_PTR(-ECHILD); | |
921 | ||
4b8e9923 | 922 | p9_debug(P9_DEBUG_VFS, "%pd\n", dentry); |
53c06f4e | 923 | |
6b255391 | 924 | fid = v9fs_fid_lookup(dentry); |
90e4fc88 AV |
925 | if (IS_ERR(fid)) |
926 | return ERR_CAST(fid); | |
31b6ceac | 927 | retval = p9_client_readlink(fid, &target); |
90e4fc88 AV |
928 | if (retval) |
929 | return ERR_PTR(retval); | |
fceef393 AV |
930 | set_delayed_call(done, kfree_link, target); |
931 | return target; | |
53c06f4e AK |
932 | } |
933 | ||
b3cbea03 AK |
934 | int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode) |
935 | { | |
b3cbea03 AK |
936 | struct p9_stat_dotl *st; |
937 | struct v9fs_session_info *v9ses; | |
994eb98b | 938 | unsigned int flags; |
b3cbea03 AK |
939 | |
940 | v9ses = v9fs_inode2v9ses(inode); | |
941 | st = p9_client_getattr_dotl(fid, P9_STATS_ALL); | |
942 | if (IS_ERR(st)) | |
943 | return PTR_ERR(st); | |
45089142 AK |
944 | /* |
945 | * Don't update inode if the file type is different | |
946 | */ | |
947 | if ((inode->i_mode & S_IFMT) != (st->st_mode & S_IFMT)) | |
948 | goto out; | |
b3cbea03 | 949 | |
b3cbea03 AK |
950 | /* |
951 | * We don't want to refresh inode->i_size, | |
952 | * because we may have cached data | |
953 | */ | |
994eb98b HT |
954 | flags = (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) ? |
955 | V9FS_STAT2INODE_KEEP_ISIZE : 0; | |
956 | v9fs_stat2inode_dotl(st, inode, flags); | |
45089142 | 957 | out: |
b3cbea03 AK |
958 | kfree(st); |
959 | return 0; | |
960 | } | |
961 | ||
53c06f4e AK |
962 | const struct inode_operations v9fs_dir_inode_operations_dotl = { |
963 | .create = v9fs_vfs_create_dotl, | |
e43ae79c | 964 | .atomic_open = v9fs_vfs_atomic_open_dotl, |
53c06f4e AK |
965 | .lookup = v9fs_vfs_lookup, |
966 | .link = v9fs_vfs_link_dotl, | |
967 | .symlink = v9fs_vfs_symlink_dotl, | |
968 | .unlink = v9fs_vfs_unlink, | |
969 | .mkdir = v9fs_vfs_mkdir_dotl, | |
970 | .rmdir = v9fs_vfs_rmdir, | |
971 | .mknod = v9fs_vfs_mknod_dotl, | |
972 | .rename = v9fs_vfs_rename, | |
973 | .getattr = v9fs_vfs_getattr_dotl, | |
974 | .setattr = v9fs_vfs_setattr_dotl, | |
53c06f4e | 975 | .listxattr = v9fs_listxattr, |
4e34e719 | 976 | .get_acl = v9fs_iop_get_acl, |
53c06f4e AK |
977 | }; |
978 | ||
979 | const struct inode_operations v9fs_file_inode_operations_dotl = { | |
980 | .getattr = v9fs_vfs_getattr_dotl, | |
981 | .setattr = v9fs_vfs_setattr_dotl, | |
53c06f4e | 982 | .listxattr = v9fs_listxattr, |
4e34e719 | 983 | .get_acl = v9fs_iop_get_acl, |
53c06f4e AK |
984 | }; |
985 | ||
986 | const struct inode_operations v9fs_symlink_inode_operations_dotl = { | |
6b255391 | 987 | .get_link = v9fs_vfs_get_link_dotl, |
53c06f4e AK |
988 | .getattr = v9fs_vfs_getattr_dotl, |
989 | .setattr = v9fs_vfs_setattr_dotl, | |
53c06f4e AK |
990 | .listxattr = v9fs_listxattr, |
991 | }; |