Commit | Line | Data |
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d2500652 RK |
1 | /* |
2 | * namei.c - NILFS pathname lookup operations. | |
3 | * | |
4 | * Copyright (C) 2005-2008 Nippon Telegraph and Telephone Corporation. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | * | |
20 | * Modified for NILFS by Amagai Yoshiji <amagai@osrg.net>, | |
21 | * Ryusuke Konishi <ryusuke@osrg.net> | |
22 | */ | |
23 | /* | |
24 | * linux/fs/ext2/namei.c | |
25 | * | |
26 | * Copyright (C) 1992, 1993, 1994, 1995 | |
27 | * Remy Card (card@masi.ibp.fr) | |
28 | * Laboratoire MASI - Institut Blaise Pascal | |
29 | * Universite Pierre et Marie Curie (Paris VI) | |
30 | * | |
31 | * from | |
32 | * | |
33 | * linux/fs/minix/namei.c | |
34 | * | |
35 | * Copyright (C) 1991, 1992 Linus Torvalds | |
36 | * | |
37 | * Big-endian to little-endian byte-swapping/bitmaps by | |
38 | * David S. Miller (davem@caip.rutgers.edu), 1995 | |
39 | */ | |
40 | ||
41 | #include <linux/pagemap.h> | |
42 | #include "nilfs.h" | |
8e656fd5 | 43 | #include "export.h" |
d2500652 | 44 | |
8e656fd5 RK |
45 | #define NILFS_FID_SIZE_NON_CONNECTABLE \ |
46 | (offsetof(struct nilfs_fid, parent_gen) / 4) | |
47 | #define NILFS_FID_SIZE_CONNECTABLE (sizeof(struct nilfs_fid) / 4) | |
d2500652 RK |
48 | |
49 | static inline int nilfs_add_nondir(struct dentry *dentry, struct inode *inode) | |
50 | { | |
51 | int err = nilfs_add_link(dentry, inode); | |
52 | if (!err) { | |
53 | d_instantiate(dentry, inode); | |
54 | return 0; | |
55 | } | |
56 | inode_dec_link_count(inode); | |
57 | iput(inode); | |
58 | return err; | |
59 | } | |
60 | ||
61 | /* | |
62 | * Methods themselves. | |
63 | */ | |
64 | ||
65 | static struct dentry * | |
00cd8dd3 | 66 | nilfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) |
d2500652 RK |
67 | { |
68 | struct inode *inode; | |
69 | ino_t ino; | |
70 | ||
71 | if (dentry->d_name.len > NILFS_NAME_LEN) | |
72 | return ERR_PTR(-ENAMETOOLONG); | |
73 | ||
0319003d | 74 | ino = nilfs_inode_by_name(dir, &dentry->d_name); |
a9049376 | 75 | inode = ino ? nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino) : NULL; |
d2500652 RK |
76 | return d_splice_alias(inode, dentry); |
77 | } | |
78 | ||
d2500652 RK |
79 | /* |
80 | * By the time this is called, we already have created | |
81 | * the directory cache entry for the new file, but it | |
82 | * is so far negative - it has no inode. | |
83 | * | |
84 | * If the create succeeds, we fill in the inode information | |
85 | * with d_instantiate(). | |
86 | */ | |
4acdaf27 | 87 | static int nilfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, |
ebfc3b49 | 88 | bool excl) |
d2500652 RK |
89 | { |
90 | struct inode *inode; | |
91 | struct nilfs_transaction_info ti; | |
47420c79 | 92 | int err; |
d2500652 RK |
93 | |
94 | err = nilfs_transaction_begin(dir->i_sb, &ti, 1); | |
95 | if (err) | |
96 | return err; | |
97 | inode = nilfs_new_inode(dir, mode); | |
98 | err = PTR_ERR(inode); | |
99 | if (!IS_ERR(inode)) { | |
100 | inode->i_op = &nilfs_file_inode_operations; | |
101 | inode->i_fop = &nilfs_file_operations; | |
102 | inode->i_mapping->a_ops = &nilfs_aops; | |
abdb318b | 103 | nilfs_mark_inode_dirty(inode); |
d2500652 RK |
104 | err = nilfs_add_nondir(dentry, inode); |
105 | } | |
47420c79 RK |
106 | if (!err) |
107 | err = nilfs_transaction_commit(dir->i_sb); | |
108 | else | |
109 | nilfs_transaction_abort(dir->i_sb); | |
110 | ||
111 | return err; | |
d2500652 RK |
112 | } |
113 | ||
114 | static int | |
1a67aafb | 115 | nilfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) |
d2500652 RK |
116 | { |
117 | struct inode *inode; | |
118 | struct nilfs_transaction_info ti; | |
47420c79 | 119 | int err; |
d2500652 RK |
120 | |
121 | if (!new_valid_dev(rdev)) | |
122 | return -EINVAL; | |
123 | ||
124 | err = nilfs_transaction_begin(dir->i_sb, &ti, 1); | |
125 | if (err) | |
126 | return err; | |
127 | inode = nilfs_new_inode(dir, mode); | |
128 | err = PTR_ERR(inode); | |
129 | if (!IS_ERR(inode)) { | |
130 | init_special_inode(inode, inode->i_mode, rdev); | |
abdb318b | 131 | nilfs_mark_inode_dirty(inode); |
d2500652 RK |
132 | err = nilfs_add_nondir(dentry, inode); |
133 | } | |
47420c79 RK |
134 | if (!err) |
135 | err = nilfs_transaction_commit(dir->i_sb); | |
136 | else | |
137 | nilfs_transaction_abort(dir->i_sb); | |
138 | ||
139 | return err; | |
d2500652 RK |
140 | } |
141 | ||
142 | static int nilfs_symlink(struct inode *dir, struct dentry *dentry, | |
143 | const char *symname) | |
144 | { | |
145 | struct nilfs_transaction_info ti; | |
146 | struct super_block *sb = dir->i_sb; | |
147 | unsigned l = strlen(symname)+1; | |
148 | struct inode *inode; | |
47420c79 | 149 | int err; |
d2500652 RK |
150 | |
151 | if (l > sb->s_blocksize) | |
152 | return -ENAMETOOLONG; | |
153 | ||
154 | err = nilfs_transaction_begin(dir->i_sb, &ti, 1); | |
155 | if (err) | |
156 | return err; | |
157 | ||
158 | inode = nilfs_new_inode(dir, S_IFLNK | S_IRWXUGO); | |
159 | err = PTR_ERR(inode); | |
160 | if (IS_ERR(inode)) | |
161 | goto out; | |
162 | ||
163 | /* slow symlink */ | |
164 | inode->i_op = &nilfs_symlink_inode_operations; | |
165 | inode->i_mapping->a_ops = &nilfs_aops; | |
166 | err = page_symlink(inode, symname, l); | |
167 | if (err) | |
168 | goto out_fail; | |
169 | ||
170 | /* mark_inode_dirty(inode); */ | |
9ca941d4 | 171 | /* page_symlink() do this */ |
d2500652 RK |
172 | |
173 | err = nilfs_add_nondir(dentry, inode); | |
174 | out: | |
47420c79 RK |
175 | if (!err) |
176 | err = nilfs_transaction_commit(dir->i_sb); | |
177 | else | |
178 | nilfs_transaction_abort(dir->i_sb); | |
179 | ||
180 | return err; | |
d2500652 RK |
181 | |
182 | out_fail: | |
565de406 | 183 | drop_nlink(inode); |
abdb318b | 184 | nilfs_mark_inode_dirty(inode); |
d2500652 RK |
185 | iput(inode); |
186 | goto out; | |
187 | } | |
188 | ||
189 | static int nilfs_link(struct dentry *old_dentry, struct inode *dir, | |
190 | struct dentry *dentry) | |
191 | { | |
192 | struct inode *inode = old_dentry->d_inode; | |
193 | struct nilfs_transaction_info ti; | |
47420c79 | 194 | int err; |
d2500652 | 195 | |
d2500652 RK |
196 | err = nilfs_transaction_begin(dir->i_sb, &ti, 1); |
197 | if (err) | |
198 | return err; | |
199 | ||
200 | inode->i_ctime = CURRENT_TIME; | |
201 | inode_inc_link_count(inode); | |
7de9c6ee | 202 | ihold(inode); |
d2500652 RK |
203 | |
204 | err = nilfs_add_nondir(dentry, inode); | |
47420c79 RK |
205 | if (!err) |
206 | err = nilfs_transaction_commit(dir->i_sb); | |
207 | else | |
208 | nilfs_transaction_abort(dir->i_sb); | |
209 | ||
210 | return err; | |
d2500652 RK |
211 | } |
212 | ||
18bb1db3 | 213 | static int nilfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) |
d2500652 RK |
214 | { |
215 | struct inode *inode; | |
216 | struct nilfs_transaction_info ti; | |
47420c79 | 217 | int err; |
d2500652 | 218 | |
d2500652 RK |
219 | err = nilfs_transaction_begin(dir->i_sb, &ti, 1); |
220 | if (err) | |
221 | return err; | |
222 | ||
565de406 | 223 | inc_nlink(dir); |
d2500652 RK |
224 | |
225 | inode = nilfs_new_inode(dir, S_IFDIR | mode); | |
226 | err = PTR_ERR(inode); | |
227 | if (IS_ERR(inode)) | |
228 | goto out_dir; | |
229 | ||
230 | inode->i_op = &nilfs_dir_inode_operations; | |
231 | inode->i_fop = &nilfs_dir_operations; | |
232 | inode->i_mapping->a_ops = &nilfs_aops; | |
233 | ||
565de406 | 234 | inc_nlink(inode); |
d2500652 RK |
235 | |
236 | err = nilfs_make_empty(inode, dir); | |
237 | if (err) | |
238 | goto out_fail; | |
239 | ||
240 | err = nilfs_add_link(dentry, inode); | |
241 | if (err) | |
242 | goto out_fail; | |
243 | ||
abdb318b | 244 | nilfs_mark_inode_dirty(inode); |
d2500652 RK |
245 | d_instantiate(dentry, inode); |
246 | out: | |
47420c79 RK |
247 | if (!err) |
248 | err = nilfs_transaction_commit(dir->i_sb); | |
249 | else | |
250 | nilfs_transaction_abort(dir->i_sb); | |
251 | ||
252 | return err; | |
d2500652 RK |
253 | |
254 | out_fail: | |
565de406 | 255 | drop_nlink(inode); |
565de406 | 256 | drop_nlink(inode); |
abdb318b | 257 | nilfs_mark_inode_dirty(inode); |
d2500652 RK |
258 | iput(inode); |
259 | out_dir: | |
565de406 | 260 | drop_nlink(dir); |
abdb318b | 261 | nilfs_mark_inode_dirty(dir); |
d2500652 RK |
262 | goto out; |
263 | } | |
264 | ||
4cd76c3c | 265 | static int nilfs_do_unlink(struct inode *dir, struct dentry *dentry) |
d2500652 RK |
266 | { |
267 | struct inode *inode; | |
268 | struct nilfs_dir_entry *de; | |
269 | struct page *page; | |
47420c79 | 270 | int err; |
d2500652 | 271 | |
d2500652 | 272 | err = -ENOENT; |
0319003d | 273 | de = nilfs_find_entry(dir, &dentry->d_name, &page); |
d2500652 RK |
274 | if (!de) |
275 | goto out; | |
276 | ||
277 | inode = dentry->d_inode; | |
278 | err = -EIO; | |
279 | if (le64_to_cpu(de->inode) != inode->i_ino) | |
280 | goto out; | |
281 | ||
282 | if (!inode->i_nlink) { | |
283 | nilfs_warning(inode->i_sb, __func__, | |
284 | "deleting nonexistent file (%lu), %d\n", | |
285 | inode->i_ino, inode->i_nlink); | |
bfe86848 | 286 | set_nlink(inode, 1); |
d2500652 RK |
287 | } |
288 | err = nilfs_delete_entry(de, page); | |
289 | if (err) | |
290 | goto out; | |
291 | ||
292 | inode->i_ctime = dir->i_ctime; | |
565de406 | 293 | drop_nlink(inode); |
d2500652 RK |
294 | err = 0; |
295 | out: | |
4cd76c3c JS |
296 | return err; |
297 | } | |
298 | ||
299 | static int nilfs_unlink(struct inode *dir, struct dentry *dentry) | |
300 | { | |
301 | struct nilfs_transaction_info ti; | |
302 | int err; | |
303 | ||
304 | err = nilfs_transaction_begin(dir->i_sb, &ti, 0); | |
305 | if (err) | |
306 | return err; | |
307 | ||
308 | err = nilfs_do_unlink(dir, dentry); | |
309 | ||
310 | if (!err) { | |
abdb318b JS |
311 | nilfs_mark_inode_dirty(dir); |
312 | nilfs_mark_inode_dirty(dentry->d_inode); | |
47420c79 | 313 | err = nilfs_transaction_commit(dir->i_sb); |
4cd76c3c | 314 | } else |
47420c79 RK |
315 | nilfs_transaction_abort(dir->i_sb); |
316 | ||
317 | return err; | |
d2500652 RK |
318 | } |
319 | ||
320 | static int nilfs_rmdir(struct inode *dir, struct dentry *dentry) | |
321 | { | |
322 | struct inode *inode = dentry->d_inode; | |
323 | struct nilfs_transaction_info ti; | |
47420c79 | 324 | int err; |
d2500652 RK |
325 | |
326 | err = nilfs_transaction_begin(dir->i_sb, &ti, 0); | |
327 | if (err) | |
328 | return err; | |
329 | ||
330 | err = -ENOTEMPTY; | |
331 | if (nilfs_empty_dir(inode)) { | |
4cd76c3c | 332 | err = nilfs_do_unlink(dir, dentry); |
d2500652 RK |
333 | if (!err) { |
334 | inode->i_size = 0; | |
565de406 | 335 | drop_nlink(inode); |
abdb318b | 336 | nilfs_mark_inode_dirty(inode); |
565de406 | 337 | drop_nlink(dir); |
abdb318b | 338 | nilfs_mark_inode_dirty(dir); |
d2500652 RK |
339 | } |
340 | } | |
47420c79 RK |
341 | if (!err) |
342 | err = nilfs_transaction_commit(dir->i_sb); | |
343 | else | |
344 | nilfs_transaction_abort(dir->i_sb); | |
345 | ||
346 | return err; | |
d2500652 RK |
347 | } |
348 | ||
349 | static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, | |
350 | struct inode *new_dir, struct dentry *new_dentry) | |
351 | { | |
352 | struct inode *old_inode = old_dentry->d_inode; | |
353 | struct inode *new_inode = new_dentry->d_inode; | |
354 | struct page *dir_page = NULL; | |
355 | struct nilfs_dir_entry *dir_de = NULL; | |
356 | struct page *old_page; | |
357 | struct nilfs_dir_entry *old_de; | |
358 | struct nilfs_transaction_info ti; | |
359 | int err; | |
360 | ||
361 | err = nilfs_transaction_begin(old_dir->i_sb, &ti, 1); | |
362 | if (unlikely(err)) | |
363 | return err; | |
364 | ||
365 | err = -ENOENT; | |
0319003d | 366 | old_de = nilfs_find_entry(old_dir, &old_dentry->d_name, &old_page); |
d2500652 RK |
367 | if (!old_de) |
368 | goto out; | |
369 | ||
370 | if (S_ISDIR(old_inode->i_mode)) { | |
371 | err = -EIO; | |
372 | dir_de = nilfs_dotdot(old_inode, &dir_page); | |
373 | if (!dir_de) | |
374 | goto out_old; | |
375 | } | |
376 | ||
377 | if (new_inode) { | |
378 | struct page *new_page; | |
379 | struct nilfs_dir_entry *new_de; | |
380 | ||
381 | err = -ENOTEMPTY; | |
382 | if (dir_de && !nilfs_empty_dir(new_inode)) | |
383 | goto out_dir; | |
384 | ||
385 | err = -ENOENT; | |
0319003d | 386 | new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, &new_page); |
d2500652 RK |
387 | if (!new_de) |
388 | goto out_dir; | |
d2500652 | 389 | nilfs_set_link(new_dir, new_de, new_page, old_inode); |
abdb318b | 390 | nilfs_mark_inode_dirty(new_dir); |
d2500652 RK |
391 | new_inode->i_ctime = CURRENT_TIME; |
392 | if (dir_de) | |
393 | drop_nlink(new_inode); | |
565de406 | 394 | drop_nlink(new_inode); |
abdb318b | 395 | nilfs_mark_inode_dirty(new_inode); |
d2500652 | 396 | } else { |
d2500652 | 397 | err = nilfs_add_link(new_dentry, old_inode); |
30eb43d3 | 398 | if (err) |
d2500652 | 399 | goto out_dir; |
565de406 JS |
400 | if (dir_de) { |
401 | inc_nlink(new_dir); | |
abdb318b | 402 | nilfs_mark_inode_dirty(new_dir); |
565de406 | 403 | } |
d2500652 RK |
404 | } |
405 | ||
406 | /* | |
407 | * Like most other Unix systems, set the ctime for inodes on a | |
408 | * rename. | |
d2500652 RK |
409 | */ |
410 | old_inode->i_ctime = CURRENT_TIME; | |
411 | ||
412 | nilfs_delete_entry(old_de, old_page); | |
d2500652 RK |
413 | |
414 | if (dir_de) { | |
415 | nilfs_set_link(old_inode, dir_de, dir_page, new_dir); | |
565de406 | 416 | drop_nlink(old_dir); |
d2500652 | 417 | } |
abdb318b JS |
418 | nilfs_mark_inode_dirty(old_dir); |
419 | nilfs_mark_inode_dirty(old_inode); | |
d2500652 | 420 | |
47420c79 | 421 | err = nilfs_transaction_commit(old_dir->i_sb); |
d2500652 RK |
422 | return err; |
423 | ||
424 | out_dir: | |
425 | if (dir_de) { | |
426 | kunmap(dir_page); | |
427 | page_cache_release(dir_page); | |
428 | } | |
429 | out_old: | |
430 | kunmap(old_page); | |
431 | page_cache_release(old_page); | |
432 | out: | |
47420c79 | 433 | nilfs_transaction_abort(old_dir->i_sb); |
d2500652 RK |
434 | return err; |
435 | } | |
436 | ||
8e656fd5 RK |
437 | /* |
438 | * Export operations | |
439 | */ | |
440 | static struct dentry *nilfs_get_parent(struct dentry *child) | |
441 | { | |
442 | unsigned long ino; | |
443 | struct inode *inode; | |
26fe5750 | 444 | struct qstr dotdot = QSTR_INIT("..", 2); |
8e656fd5 RK |
445 | struct nilfs_root *root; |
446 | ||
447 | ino = nilfs_inode_by_name(child->d_inode, &dotdot); | |
448 | if (!ino) | |
449 | return ERR_PTR(-ENOENT); | |
450 | ||
451 | root = NILFS_I(child->d_inode)->i_root; | |
452 | ||
453 | inode = nilfs_iget(child->d_inode->i_sb, root, ino); | |
454 | if (IS_ERR(inode)) | |
455 | return ERR_CAST(inode); | |
456 | ||
457 | return d_obtain_alias(inode); | |
458 | } | |
459 | ||
460 | static struct dentry *nilfs_get_dentry(struct super_block *sb, u64 cno, | |
461 | u64 ino, u32 gen) | |
462 | { | |
463 | struct nilfs_root *root; | |
464 | struct inode *inode; | |
465 | ||
466 | if (ino < NILFS_FIRST_INO(sb) && ino != NILFS_ROOT_INO) | |
467 | return ERR_PTR(-ESTALE); | |
468 | ||
e3154e97 | 469 | root = nilfs_lookup_root(sb->s_fs_info, cno); |
8e656fd5 RK |
470 | if (!root) |
471 | return ERR_PTR(-ESTALE); | |
472 | ||
473 | inode = nilfs_iget(sb, root, ino); | |
474 | nilfs_put_root(root); | |
475 | ||
476 | if (IS_ERR(inode)) | |
477 | return ERR_CAST(inode); | |
478 | if (gen && inode->i_generation != gen) { | |
479 | iput(inode); | |
480 | return ERR_PTR(-ESTALE); | |
481 | } | |
482 | return d_obtain_alias(inode); | |
483 | } | |
484 | ||
485 | static struct dentry *nilfs_fh_to_dentry(struct super_block *sb, struct fid *fh, | |
486 | int fh_len, int fh_type) | |
487 | { | |
488 | struct nilfs_fid *fid = (struct nilfs_fid *)fh; | |
489 | ||
490 | if ((fh_len != NILFS_FID_SIZE_NON_CONNECTABLE && | |
491 | fh_len != NILFS_FID_SIZE_CONNECTABLE) || | |
492 | (fh_type != FILEID_NILFS_WITH_PARENT && | |
493 | fh_type != FILEID_NILFS_WITHOUT_PARENT)) | |
494 | return NULL; | |
495 | ||
496 | return nilfs_get_dentry(sb, fid->cno, fid->ino, fid->gen); | |
497 | } | |
498 | ||
499 | static struct dentry *nilfs_fh_to_parent(struct super_block *sb, struct fid *fh, | |
500 | int fh_len, int fh_type) | |
501 | { | |
502 | struct nilfs_fid *fid = (struct nilfs_fid *)fh; | |
503 | ||
504 | if (fh_len != NILFS_FID_SIZE_CONNECTABLE || | |
505 | fh_type != FILEID_NILFS_WITH_PARENT) | |
506 | return NULL; | |
507 | ||
508 | return nilfs_get_dentry(sb, fid->cno, fid->parent_ino, fid->parent_gen); | |
509 | } | |
510 | ||
b0b0382b AV |
511 | static int nilfs_encode_fh(struct inode *inode, __u32 *fh, int *lenp, |
512 | struct inode *parent) | |
8e656fd5 RK |
513 | { |
514 | struct nilfs_fid *fid = (struct nilfs_fid *)fh; | |
8e656fd5 RK |
515 | struct nilfs_root *root = NILFS_I(inode)->i_root; |
516 | int type; | |
517 | ||
b0b0382b AV |
518 | if (parent && *lenp < NILFS_FID_SIZE_CONNECTABLE) { |
519 | *lenp = NILFS_FID_SIZE_CONNECTABLE; | |
520 | return 255; | |
521 | } | |
522 | if (*lenp < NILFS_FID_SIZE_NON_CONNECTABLE) { | |
523 | *lenp = NILFS_FID_SIZE_NON_CONNECTABLE; | |
8e656fd5 | 524 | return 255; |
b0b0382b | 525 | } |
8e656fd5 RK |
526 | |
527 | fid->cno = root->cno; | |
528 | fid->ino = inode->i_ino; | |
529 | fid->gen = inode->i_generation; | |
530 | ||
b0b0382b | 531 | if (parent) { |
8e656fd5 RK |
532 | fid->parent_ino = parent->i_ino; |
533 | fid->parent_gen = parent->i_generation; | |
8e656fd5 RK |
534 | type = FILEID_NILFS_WITH_PARENT; |
535 | *lenp = NILFS_FID_SIZE_CONNECTABLE; | |
536 | } else { | |
537 | type = FILEID_NILFS_WITHOUT_PARENT; | |
538 | *lenp = NILFS_FID_SIZE_NON_CONNECTABLE; | |
539 | } | |
540 | ||
541 | return type; | |
542 | } | |
543 | ||
6e1d5dcc | 544 | const struct inode_operations nilfs_dir_inode_operations = { |
d2500652 RK |
545 | .create = nilfs_create, |
546 | .lookup = nilfs_lookup, | |
547 | .link = nilfs_link, | |
548 | .unlink = nilfs_unlink, | |
549 | .symlink = nilfs_symlink, | |
550 | .mkdir = nilfs_mkdir, | |
551 | .rmdir = nilfs_rmdir, | |
552 | .mknod = nilfs_mknod, | |
553 | .rename = nilfs_rename, | |
554 | .setattr = nilfs_setattr, | |
555 | .permission = nilfs_permission, | |
622daaff | 556 | .fiemap = nilfs_fiemap, |
d2500652 RK |
557 | }; |
558 | ||
6e1d5dcc | 559 | const struct inode_operations nilfs_special_inode_operations = { |
d2500652 RK |
560 | .setattr = nilfs_setattr, |
561 | .permission = nilfs_permission, | |
562 | }; | |
563 | ||
6e1d5dcc | 564 | const struct inode_operations nilfs_symlink_inode_operations = { |
d2500652 RK |
565 | .readlink = generic_readlink, |
566 | .follow_link = page_follow_link_light, | |
567 | .put_link = page_put_link, | |
dc3d3b81 | 568 | .permission = nilfs_permission, |
d2500652 | 569 | }; |
8e656fd5 RK |
570 | |
571 | const struct export_operations nilfs_export_ops = { | |
572 | .encode_fh = nilfs_encode_fh, | |
573 | .fh_to_dentry = nilfs_fh_to_dentry, | |
574 | .fh_to_parent = nilfs_fh_to_parent, | |
575 | .get_parent = nilfs_get_parent, | |
576 | }; |