Commit | Line | Data |
---|---|---|
0a8165d7 | 1 | /* |
57397d86 JK |
2 | * fs/f2fs/namei.c |
3 | * | |
4 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
5 | * http://www.samsung.com/ | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | #include <linux/fs.h> | |
12 | #include <linux/f2fs_fs.h> | |
13 | #include <linux/pagemap.h> | |
14 | #include <linux/sched.h> | |
15 | #include <linux/ctype.h> | |
50732df0 | 16 | #include <linux/dcache.h> |
feb7cbb0 | 17 | #include <linux/namei.h> |
57397d86 JK |
18 | |
19 | #include "f2fs.h" | |
953a3e27 | 20 | #include "node.h" |
57397d86 JK |
21 | #include "xattr.h" |
22 | #include "acl.h" | |
a2a4a7e4 | 23 | #include <trace/events/f2fs.h> |
57397d86 JK |
24 | |
25 | static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode) | |
26 | { | |
4081363f | 27 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 JK |
28 | nid_t ino; |
29 | struct inode *inode; | |
30 | bool nid_free = false; | |
e479556b | 31 | int err; |
57397d86 | 32 | |
a014e037 | 33 | inode = new_inode(dir->i_sb); |
57397d86 JK |
34 | if (!inode) |
35 | return ERR_PTR(-ENOMEM); | |
36 | ||
e479556b | 37 | f2fs_lock_op(sbi); |
57397d86 | 38 | if (!alloc_nid(sbi, &ino)) { |
e479556b | 39 | f2fs_unlock_op(sbi); |
57397d86 JK |
40 | err = -ENOSPC; |
41 | goto fail; | |
42 | } | |
e479556b | 43 | f2fs_unlock_op(sbi); |
57397d86 | 44 | |
70ff5dfe | 45 | inode_init_owner(inode, dir, mode); |
57397d86 JK |
46 | |
47 | inode->i_ino = ino; | |
57397d86 JK |
48 | inode->i_blocks = 0; |
49 | inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; | |
50 | inode->i_generation = sbi->s_next_generation++; | |
51 | ||
52 | err = insert_inode_locked(inode); | |
53 | if (err) { | |
54 | err = -EINVAL; | |
55 | nid_free = true; | |
a21c20f0 | 56 | goto fail; |
57397d86 | 57 | } |
622f28ae | 58 | |
fcc85a4d JK |
59 | /* If the directory encrypted, then we should encrypt the inode. */ |
60 | if (f2fs_encrypted_inode(dir) && f2fs_may_encrypt(inode)) | |
61 | f2fs_set_encrypted_inode(inode); | |
62 | ||
fba48a8b | 63 | if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode)) |
b3d208f9 | 64 | set_inode_flag(F2FS_I(inode), FI_INLINE_DATA); |
01b960e9 | 65 | if (f2fs_may_inline_dentry(inode)) |
622f28ae CY |
66 | set_inode_flag(F2FS_I(inode), FI_INLINE_DENTRY); |
67 | ||
3e72f721 JK |
68 | f2fs_init_extent_tree(inode, NULL); |
69 | ||
d5e8f6c9 | 70 | stat_inc_inline_xattr(inode); |
2fb2c954 JK |
71 | stat_inc_inline_inode(inode); |
72 | stat_inc_inline_dir(inode); | |
73 | ||
d70b4f53 | 74 | trace_f2fs_new_inode(inode, 0); |
57397d86 JK |
75 | mark_inode_dirty(inode); |
76 | return inode; | |
77 | ||
57397d86 | 78 | fail: |
d70b4f53 | 79 | trace_f2fs_new_inode(inode, err); |
531ad7d5 | 80 | make_bad_inode(inode); |
57397d86 | 81 | if (nid_free) |
c9b63bd0 JK |
82 | set_inode_flag(F2FS_I(inode), FI_FREE_NID); |
83 | iput(inode); | |
57397d86 JK |
84 | return ERR_PTR(err); |
85 | } | |
86 | ||
87 | static int is_multimedia_file(const unsigned char *s, const char *sub) | |
88 | { | |
9836b8b9 LR |
89 | size_t slen = strlen(s); |
90 | size_t sublen = strlen(sub); | |
57397d86 | 91 | |
741a7bea CY |
92 | /* |
93 | * filename format of multimedia file should be defined as: | |
94 | * "filename + '.' + extension". | |
95 | */ | |
96 | if (slen < sublen + 2) | |
97 | return 0; | |
98 | ||
99 | if (s[slen - sublen - 1] != '.') | |
e66509f0 | 100 | return 0; |
57397d86 | 101 | |
749ebfd1 | 102 | return !strncasecmp(s + slen - sublen, sub, sublen); |
57397d86 JK |
103 | } |
104 | ||
0a8165d7 | 105 | /* |
57397d86 JK |
106 | * Set multimedia files as cold files for hot/cold data separation |
107 | */ | |
953a3e27 | 108 | static inline void set_cold_files(struct f2fs_sb_info *sbi, struct inode *inode, |
57397d86 JK |
109 | const unsigned char *name) |
110 | { | |
111 | int i; | |
112 | __u8 (*extlist)[8] = sbi->raw_super->extension_list; | |
113 | ||
114 | int count = le32_to_cpu(sbi->raw_super->extension_count); | |
115 | for (i = 0; i < count; i++) { | |
e66509f0 | 116 | if (is_multimedia_file(name, extlist[i])) { |
354a3399 | 117 | file_set_cold(inode); |
57397d86 JK |
118 | break; |
119 | } | |
120 | } | |
121 | } | |
122 | ||
123 | static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode, | |
124 | bool excl) | |
125 | { | |
4081363f | 126 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 JK |
127 | struct inode *inode; |
128 | nid_t ino = 0; | |
e479556b | 129 | int err; |
57397d86 JK |
130 | |
131 | inode = f2fs_new_inode(dir, mode); | |
132 | if (IS_ERR(inode)) | |
133 | return PTR_ERR(inode); | |
134 | ||
135 | if (!test_opt(sbi, DISABLE_EXT_IDENTIFY)) | |
953a3e27 | 136 | set_cold_files(sbi, inode, dentry->d_name.name); |
57397d86 JK |
137 | |
138 | inode->i_op = &f2fs_file_inode_operations; | |
139 | inode->i_fop = &f2fs_file_operations; | |
140 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
141 | ino = inode->i_ino; | |
142 | ||
00623e6b JK |
143 | f2fs_balance_fs(sbi); |
144 | ||
e479556b | 145 | f2fs_lock_op(sbi); |
57397d86 JK |
146 | err = f2fs_add_link(dentry, inode); |
147 | if (err) | |
148 | goto out; | |
44c16156 | 149 | f2fs_unlock_op(sbi); |
57397d86 JK |
150 | |
151 | alloc_nid_done(sbi, ino); | |
152 | ||
0a364af1 | 153 | d_instantiate(dentry, inode); |
57397d86 | 154 | unlock_new_inode(inode); |
b7e1d800 JK |
155 | |
156 | if (IS_DIRSYNC(dir)) | |
157 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
158 | return 0; |
159 | out: | |
44c16156 | 160 | handle_failed_inode(inode); |
57397d86 JK |
161 | return err; |
162 | } | |
163 | ||
164 | static int f2fs_link(struct dentry *old_dentry, struct inode *dir, | |
165 | struct dentry *dentry) | |
166 | { | |
2b0143b5 | 167 | struct inode *inode = d_inode(old_dentry); |
4081363f | 168 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
e479556b | 169 | int err; |
57397d86 | 170 | |
fcc85a4d JK |
171 | if (f2fs_encrypted_inode(dir) && |
172 | !f2fs_is_child_context_consistent_with_parent(dir, inode)) | |
173 | return -EPERM; | |
174 | ||
1efef832 JK |
175 | f2fs_balance_fs(sbi); |
176 | ||
57397d86 | 177 | inode->i_ctime = CURRENT_TIME; |
6f6fd833 | 178 | ihold(inode); |
57397d86 JK |
179 | |
180 | set_inode_flag(F2FS_I(inode), FI_INC_LINK); | |
e479556b | 181 | f2fs_lock_op(sbi); |
57397d86 JK |
182 | err = f2fs_add_link(dentry, inode); |
183 | if (err) | |
184 | goto out; | |
44c16156 | 185 | f2fs_unlock_op(sbi); |
57397d86 JK |
186 | |
187 | d_instantiate(dentry, inode); | |
b7e1d800 JK |
188 | |
189 | if (IS_DIRSYNC(dir)) | |
190 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
191 | return 0; |
192 | out: | |
193 | clear_inode_flag(F2FS_I(inode), FI_INC_LINK); | |
194 | iput(inode); | |
44c16156 | 195 | f2fs_unlock_op(sbi); |
57397d86 JK |
196 | return err; |
197 | } | |
198 | ||
199 | struct dentry *f2fs_get_parent(struct dentry *child) | |
200 | { | |
201 | struct qstr dotdot = QSTR_INIT("..", 2); | |
2b0143b5 | 202 | unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot); |
57397d86 JK |
203 | if (!ino) |
204 | return ERR_PTR(-ENOENT); | |
2b0143b5 | 205 | return d_obtain_alias(f2fs_iget(d_inode(child)->i_sb, ino)); |
57397d86 JK |
206 | } |
207 | ||
510022a8 JK |
208 | static int __recover_dot_dentries(struct inode *dir, nid_t pino) |
209 | { | |
210 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); | |
211 | struct qstr dot = QSTR_INIT(".", 1); | |
212 | struct qstr dotdot = QSTR_INIT("..", 2); | |
213 | struct f2fs_dir_entry *de; | |
214 | struct page *page; | |
215 | int err = 0; | |
216 | ||
d5384174 CY |
217 | f2fs_balance_fs(sbi); |
218 | ||
510022a8 JK |
219 | f2fs_lock_op(sbi); |
220 | ||
221 | de = f2fs_find_entry(dir, &dot, &page); | |
222 | if (de) { | |
223 | f2fs_dentry_kunmap(dir, page); | |
224 | f2fs_put_page(page, 0); | |
225 | } else { | |
226 | err = __f2fs_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR); | |
227 | if (err) | |
228 | goto out; | |
229 | } | |
230 | ||
231 | de = f2fs_find_entry(dir, &dotdot, &page); | |
232 | if (de) { | |
233 | f2fs_dentry_kunmap(dir, page); | |
234 | f2fs_put_page(page, 0); | |
235 | } else { | |
236 | err = __f2fs_add_link(dir, &dotdot, NULL, pino, S_IFDIR); | |
237 | } | |
238 | out: | |
239 | if (!err) { | |
240 | clear_inode_flag(F2FS_I(dir), FI_INLINE_DOTS); | |
241 | mark_inode_dirty(dir); | |
242 | } | |
243 | ||
244 | f2fs_unlock_op(sbi); | |
245 | return err; | |
246 | } | |
247 | ||
57397d86 JK |
248 | static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry, |
249 | unsigned int flags) | |
250 | { | |
251 | struct inode *inode = NULL; | |
252 | struct f2fs_dir_entry *de; | |
253 | struct page *page; | |
06957e8f | 254 | nid_t ino; |
fcc85a4d | 255 | int err = 0; |
57397d86 | 256 | |
5a20d339 | 257 | if (dentry->d_name.len > F2FS_NAME_LEN) |
57397d86 JK |
258 | return ERR_PTR(-ENAMETOOLONG); |
259 | ||
260 | de = f2fs_find_entry(dir, &dentry->d_name, &page); | |
06957e8f JK |
261 | if (!de) |
262 | return d_splice_alias(inode, dentry); | |
57397d86 | 263 | |
06957e8f JK |
264 | ino = le32_to_cpu(de->ino); |
265 | f2fs_dentry_kunmap(dir, page); | |
266 | f2fs_put_page(page, 0); | |
510022a8 | 267 | |
06957e8f JK |
268 | inode = f2fs_iget(dir->i_sb, ino); |
269 | if (IS_ERR(inode)) | |
270 | return ERR_CAST(inode); | |
510022a8 | 271 | |
fcc85a4d | 272 | if (f2fs_has_inline_dots(inode)) { |
06957e8f | 273 | err = __recover_dot_dentries(inode, dir->i_ino); |
fcc85a4d JK |
274 | if (err) |
275 | goto err_out; | |
57397d86 | 276 | } |
57397d86 | 277 | return d_splice_alias(inode, dentry); |
fcc85a4d JK |
278 | |
279 | err_out: | |
280 | iget_failed(inode); | |
281 | return ERR_PTR(err); | |
57397d86 JK |
282 | } |
283 | ||
284 | static int f2fs_unlink(struct inode *dir, struct dentry *dentry) | |
285 | { | |
4081363f | 286 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
2b0143b5 | 287 | struct inode *inode = d_inode(dentry); |
57397d86 JK |
288 | struct f2fs_dir_entry *de; |
289 | struct page *page; | |
290 | int err = -ENOENT; | |
291 | ||
a2a4a7e4 | 292 | trace_f2fs_unlink_enter(dir, dentry); |
1efef832 | 293 | |
57397d86 JK |
294 | de = f2fs_find_entry(dir, &dentry->d_name, &page); |
295 | if (!de) | |
296 | goto fail; | |
297 | ||
00623e6b JK |
298 | f2fs_balance_fs(sbi); |
299 | ||
ccaaca25 | 300 | f2fs_lock_op(sbi); |
cbd56e7d | 301 | err = acquire_orphan_inode(sbi); |
57397d86 | 302 | if (err) { |
ccaaca25 | 303 | f2fs_unlock_op(sbi); |
9486ba44 | 304 | f2fs_dentry_kunmap(dir, page); |
57397d86 JK |
305 | f2fs_put_page(page, 0); |
306 | goto fail; | |
307 | } | |
dbeacf02 | 308 | f2fs_delete_entry(de, page, dir, inode); |
e479556b | 309 | f2fs_unlock_op(sbi); |
57397d86 | 310 | |
e1c42045 | 311 | /* In order to evict this inode, we set it dirty */ |
57397d86 | 312 | mark_inode_dirty(inode); |
b7e1d800 JK |
313 | |
314 | if (IS_DIRSYNC(dir)) | |
315 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 | 316 | fail: |
a2a4a7e4 | 317 | trace_f2fs_unlink_exit(inode, err); |
57397d86 JK |
318 | return err; |
319 | } | |
320 | ||
6e77137b | 321 | static const char *f2fs_follow_link(struct dentry *dentry, void **cookie) |
feb7cbb0 | 322 | { |
6e77137b | 323 | const char *link = page_follow_link_light(dentry, cookie); |
680baacb AV |
324 | if (!IS_ERR(link) && !*link) { |
325 | /* this is broken symlink case */ | |
5f2c4179 | 326 | page_put_link(NULL, *cookie); |
680baacb | 327 | link = ERR_PTR(-ENOENT); |
feb7cbb0 | 328 | } |
680baacb | 329 | return link; |
feb7cbb0 JK |
330 | } |
331 | ||
57397d86 JK |
332 | static int f2fs_symlink(struct inode *dir, struct dentry *dentry, |
333 | const char *symname) | |
334 | { | |
4081363f | 335 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 | 336 | struct inode *inode; |
cbaf042a JK |
337 | size_t len = strlen(symname); |
338 | size_t p_len; | |
339 | char *p_str; | |
340 | struct f2fs_str disk_link = FSTR_INIT(NULL, 0); | |
341 | struct f2fs_encrypted_symlink_data *sd = NULL; | |
e479556b | 342 | int err; |
57397d86 | 343 | |
cbaf042a JK |
344 | if (len > dir->i_sb->s_blocksize) |
345 | return -ENAMETOOLONG; | |
346 | ||
57397d86 JK |
347 | inode = f2fs_new_inode(dir, S_IFLNK | S_IRWXUGO); |
348 | if (IS_ERR(inode)) | |
349 | return PTR_ERR(inode); | |
350 | ||
cbaf042a JK |
351 | if (f2fs_encrypted_inode(inode)) |
352 | inode->i_op = &f2fs_encrypted_symlink_inode_operations; | |
353 | else | |
354 | inode->i_op = &f2fs_symlink_inode_operations; | |
57397d86 JK |
355 | inode->i_mapping->a_ops = &f2fs_dblock_aops; |
356 | ||
00623e6b JK |
357 | f2fs_balance_fs(sbi); |
358 | ||
e479556b | 359 | f2fs_lock_op(sbi); |
57397d86 JK |
360 | err = f2fs_add_link(dentry, inode); |
361 | if (err) | |
362 | goto out; | |
44c16156 | 363 | f2fs_unlock_op(sbi); |
57397d86 JK |
364 | alloc_nid_done(sbi, inode->i_ino); |
365 | ||
cbaf042a JK |
366 | if (f2fs_encrypted_inode(dir)) { |
367 | struct qstr istr = QSTR_INIT(symname, len); | |
368 | ||
26bf3dc7 | 369 | err = f2fs_get_encryption_info(inode); |
cbaf042a JK |
370 | if (err) |
371 | goto err_out; | |
372 | ||
373 | err = f2fs_fname_crypto_alloc_buffer(inode, len, &disk_link); | |
374 | if (err) | |
375 | goto err_out; | |
376 | ||
377 | err = f2fs_fname_usr_to_disk(inode, &istr, &disk_link); | |
378 | if (err < 0) | |
379 | goto err_out; | |
380 | ||
381 | p_len = encrypted_symlink_data_len(disk_link.len) + 1; | |
382 | ||
383 | if (p_len > dir->i_sb->s_blocksize) { | |
384 | err = -ENAMETOOLONG; | |
385 | goto err_out; | |
386 | } | |
387 | ||
388 | sd = kzalloc(p_len, GFP_NOFS); | |
389 | if (!sd) { | |
390 | err = -ENOMEM; | |
391 | goto err_out; | |
392 | } | |
393 | memcpy(sd->encrypted_path, disk_link.name, disk_link.len); | |
394 | sd->len = cpu_to_le16(disk_link.len); | |
395 | p_str = (char *)sd; | |
396 | } else { | |
397 | p_len = len + 1; | |
398 | p_str = (char *)symname; | |
399 | } | |
400 | ||
401 | err = page_symlink(inode, p_str, p_len); | |
402 | ||
403 | err_out: | |
57397d86 JK |
404 | d_instantiate(dentry, inode); |
405 | unlock_new_inode(inode); | |
b7e1d800 | 406 | |
d0cae97c JK |
407 | /* |
408 | * Let's flush symlink data in order to avoid broken symlink as much as | |
409 | * possible. Nevertheless, fsyncing is the best way, but there is no | |
410 | * way to get a file descriptor in order to flush that. | |
411 | * | |
412 | * Note that, it needs to do dir->fsync to make this recoverable. | |
413 | * If the symlink path is stored into inline_data, there is no | |
414 | * performance regression. | |
415 | */ | |
a6be014e | 416 | if (!err) { |
cbaf042a | 417 | filemap_write_and_wait_range(inode->i_mapping, 0, p_len - 1); |
d0cae97c | 418 | |
a6be014e CY |
419 | if (IS_DIRSYNC(dir)) |
420 | f2fs_sync_fs(sbi->sb, 1); | |
421 | } else { | |
422 | f2fs_unlink(dir, dentry); | |
423 | } | |
cbaf042a JK |
424 | |
425 | kfree(sd); | |
426 | f2fs_fname_crypto_free_buffer(&disk_link); | |
57397d86 JK |
427 | return err; |
428 | out: | |
44c16156 | 429 | handle_failed_inode(inode); |
57397d86 JK |
430 | return err; |
431 | } | |
432 | ||
433 | static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) | |
434 | { | |
4081363f | 435 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 | 436 | struct inode *inode; |
e479556b | 437 | int err; |
57397d86 JK |
438 | |
439 | inode = f2fs_new_inode(dir, S_IFDIR | mode); | |
57397d86 | 440 | if (IS_ERR(inode)) |
61412b64 | 441 | return PTR_ERR(inode); |
57397d86 JK |
442 | |
443 | inode->i_op = &f2fs_dir_inode_operations; | |
444 | inode->i_fop = &f2fs_dir_operations; | |
445 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
560d4672 | 446 | mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_HIGH_ZERO); |
57397d86 | 447 | |
00623e6b JK |
448 | f2fs_balance_fs(sbi); |
449 | ||
57397d86 | 450 | set_inode_flag(F2FS_I(inode), FI_INC_LINK); |
e479556b | 451 | f2fs_lock_op(sbi); |
57397d86 JK |
452 | err = f2fs_add_link(dentry, inode); |
453 | if (err) | |
454 | goto out_fail; | |
44c16156 | 455 | f2fs_unlock_op(sbi); |
57397d86 JK |
456 | |
457 | alloc_nid_done(sbi, inode->i_ino); | |
458 | ||
459 | d_instantiate(dentry, inode); | |
460 | unlock_new_inode(inode); | |
461 | ||
b7e1d800 JK |
462 | if (IS_DIRSYNC(dir)) |
463 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
464 | return 0; |
465 | ||
466 | out_fail: | |
467 | clear_inode_flag(F2FS_I(inode), FI_INC_LINK); | |
44c16156 | 468 | handle_failed_inode(inode); |
57397d86 JK |
469 | return err; |
470 | } | |
471 | ||
472 | static int f2fs_rmdir(struct inode *dir, struct dentry *dentry) | |
473 | { | |
2b0143b5 | 474 | struct inode *inode = d_inode(dentry); |
57397d86 JK |
475 | if (f2fs_empty_dir(inode)) |
476 | return f2fs_unlink(dir, dentry); | |
477 | return -ENOTEMPTY; | |
478 | } | |
479 | ||
480 | static int f2fs_mknod(struct inode *dir, struct dentry *dentry, | |
481 | umode_t mode, dev_t rdev) | |
482 | { | |
4081363f | 483 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 JK |
484 | struct inode *inode; |
485 | int err = 0; | |
486 | ||
57397d86 JK |
487 | inode = f2fs_new_inode(dir, mode); |
488 | if (IS_ERR(inode)) | |
489 | return PTR_ERR(inode); | |
490 | ||
491 | init_special_inode(inode, inode->i_mode, rdev); | |
492 | inode->i_op = &f2fs_special_inode_operations; | |
493 | ||
00623e6b JK |
494 | f2fs_balance_fs(sbi); |
495 | ||
e479556b | 496 | f2fs_lock_op(sbi); |
57397d86 JK |
497 | err = f2fs_add_link(dentry, inode); |
498 | if (err) | |
499 | goto out; | |
44c16156 | 500 | f2fs_unlock_op(sbi); |
57397d86 JK |
501 | |
502 | alloc_nid_done(sbi, inode->i_ino); | |
b7e1d800 | 503 | |
57397d86 JK |
504 | d_instantiate(dentry, inode); |
505 | unlock_new_inode(inode); | |
b7e1d800 JK |
506 | |
507 | if (IS_DIRSYNC(dir)) | |
508 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
509 | return 0; |
510 | out: | |
44c16156 | 511 | handle_failed_inode(inode); |
57397d86 JK |
512 | return err; |
513 | } | |
514 | ||
7e01e7ad CY |
515 | static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry, |
516 | umode_t mode, struct inode **whiteout) | |
517 | { | |
518 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); | |
519 | struct inode *inode; | |
520 | int err; | |
521 | ||
7e01e7ad CY |
522 | inode = f2fs_new_inode(dir, mode); |
523 | if (IS_ERR(inode)) | |
524 | return PTR_ERR(inode); | |
525 | ||
526 | if (whiteout) { | |
527 | init_special_inode(inode, inode->i_mode, WHITEOUT_DEV); | |
528 | inode->i_op = &f2fs_special_inode_operations; | |
529 | } else { | |
530 | inode->i_op = &f2fs_file_inode_operations; | |
531 | inode->i_fop = &f2fs_file_operations; | |
532 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
533 | } | |
534 | ||
00623e6b JK |
535 | f2fs_balance_fs(sbi); |
536 | ||
7e01e7ad CY |
537 | f2fs_lock_op(sbi); |
538 | err = acquire_orphan_inode(sbi); | |
539 | if (err) | |
540 | goto out; | |
541 | ||
542 | err = f2fs_do_tmpfile(inode, dir); | |
543 | if (err) | |
544 | goto release_out; | |
545 | ||
546 | /* | |
547 | * add this non-linked tmpfile to orphan list, in this way we could | |
548 | * remove all unused data of tmpfile after abnormal power-off. | |
549 | */ | |
550 | add_orphan_inode(sbi, inode->i_ino); | |
551 | f2fs_unlock_op(sbi); | |
552 | ||
553 | alloc_nid_done(sbi, inode->i_ino); | |
554 | ||
555 | if (whiteout) { | |
556 | inode_dec_link_count(inode); | |
557 | *whiteout = inode; | |
558 | } else { | |
559 | d_tmpfile(dentry, inode); | |
560 | } | |
561 | unlock_new_inode(inode); | |
562 | return 0; | |
563 | ||
564 | release_out: | |
565 | release_orphan_inode(sbi); | |
566 | out: | |
567 | handle_failed_inode(inode); | |
568 | return err; | |
569 | } | |
570 | ||
571 | static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) | |
572 | { | |
304eecc3 JK |
573 | if (f2fs_encrypted_inode(dir)) { |
574 | int err = f2fs_get_encryption_info(dir); | |
575 | if (err) | |
576 | return err; | |
577 | } | |
578 | ||
7e01e7ad CY |
579 | return __f2fs_tmpfile(dir, dentry, mode, NULL); |
580 | } | |
581 | ||
582 | static int f2fs_create_whiteout(struct inode *dir, struct inode **whiteout) | |
583 | { | |
584 | return __f2fs_tmpfile(dir, NULL, S_IFCHR | WHITEOUT_MODE, whiteout); | |
585 | } | |
586 | ||
57397d86 | 587 | static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, |
7e01e7ad CY |
588 | struct inode *new_dir, struct dentry *new_dentry, |
589 | unsigned int flags) | |
57397d86 | 590 | { |
4081363f | 591 | struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir); |
2b0143b5 DH |
592 | struct inode *old_inode = d_inode(old_dentry); |
593 | struct inode *new_inode = d_inode(new_dentry); | |
7e01e7ad | 594 | struct inode *whiteout = NULL; |
57397d86 | 595 | struct page *old_dir_page; |
7e01e7ad | 596 | struct page *old_page, *new_page = NULL; |
57397d86 JK |
597 | struct f2fs_dir_entry *old_dir_entry = NULL; |
598 | struct f2fs_dir_entry *old_entry; | |
599 | struct f2fs_dir_entry *new_entry; | |
e479556b | 600 | int err = -ENOENT; |
57397d86 | 601 | |
fcc85a4d JK |
602 | if ((old_dir != new_dir) && f2fs_encrypted_inode(new_dir) && |
603 | !f2fs_is_child_context_consistent_with_parent(new_dir, | |
604 | old_inode)) { | |
605 | err = -EPERM; | |
606 | goto out; | |
607 | } | |
608 | ||
57397d86 JK |
609 | old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page); |
610 | if (!old_entry) | |
611 | goto out; | |
612 | ||
613 | if (S_ISDIR(old_inode->i_mode)) { | |
614 | err = -EIO; | |
615 | old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page); | |
616 | if (!old_dir_entry) | |
617 | goto out_old; | |
618 | } | |
619 | ||
7e01e7ad CY |
620 | if (flags & RENAME_WHITEOUT) { |
621 | err = f2fs_create_whiteout(old_dir, &whiteout); | |
622 | if (err) | |
623 | goto out_dir; | |
624 | } | |
625 | ||
57397d86 | 626 | if (new_inode) { |
57397d86 JK |
627 | |
628 | err = -ENOTEMPTY; | |
629 | if (old_dir_entry && !f2fs_empty_dir(new_inode)) | |
7e01e7ad | 630 | goto out_whiteout; |
57397d86 JK |
631 | |
632 | err = -ENOENT; | |
633 | new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, | |
634 | &new_page); | |
635 | if (!new_entry) | |
7e01e7ad | 636 | goto out_whiteout; |
57397d86 | 637 | |
00623e6b JK |
638 | f2fs_balance_fs(sbi); |
639 | ||
1256010a CY |
640 | f2fs_lock_op(sbi); |
641 | ||
cbd56e7d JK |
642 | err = acquire_orphan_inode(sbi); |
643 | if (err) | |
644 | goto put_out_dir; | |
645 | ||
e7d55452 JK |
646 | if (update_dent_inode(old_inode, new_inode, |
647 | &new_dentry->d_name)) { | |
cbd56e7d JK |
648 | release_orphan_inode(sbi); |
649 | goto put_out_dir; | |
1cd14caf JK |
650 | } |
651 | ||
57397d86 JK |
652 | f2fs_set_link(new_dir, new_entry, new_page, old_inode); |
653 | ||
654 | new_inode->i_ctime = CURRENT_TIME; | |
d928bfbf | 655 | down_write(&F2FS_I(new_inode)->i_sem); |
57397d86 JK |
656 | if (old_dir_entry) |
657 | drop_nlink(new_inode); | |
658 | drop_nlink(new_inode); | |
d928bfbf JK |
659 | up_write(&F2FS_I(new_inode)->i_sem); |
660 | ||
a18ff063 | 661 | mark_inode_dirty(new_inode); |
cbd56e7d | 662 | |
57397d86 JK |
663 | if (!new_inode->i_nlink) |
664 | add_orphan_inode(sbi, new_inode->i_ino); | |
cbd56e7d JK |
665 | else |
666 | release_orphan_inode(sbi); | |
667 | ||
8cb82688 | 668 | update_inode_page(old_inode); |
39936837 | 669 | update_inode_page(new_inode); |
57397d86 | 670 | } else { |
00623e6b JK |
671 | f2fs_balance_fs(sbi); |
672 | ||
1256010a CY |
673 | f2fs_lock_op(sbi); |
674 | ||
57397d86 | 675 | err = f2fs_add_link(new_dentry, old_inode); |
1256010a CY |
676 | if (err) { |
677 | f2fs_unlock_op(sbi); | |
7e01e7ad | 678 | goto out_whiteout; |
1256010a | 679 | } |
57397d86 JK |
680 | |
681 | if (old_dir_entry) { | |
682 | inc_nlink(new_dir); | |
39936837 | 683 | update_inode_page(new_dir); |
57397d86 JK |
684 | } |
685 | } | |
686 | ||
b2c08299 JK |
687 | down_write(&F2FS_I(old_inode)->i_sem); |
688 | file_lost_pino(old_inode); | |
e7d55452 JK |
689 | if (new_inode && file_enc_name(new_inode)) |
690 | file_set_enc_name(old_inode); | |
b2c08299 JK |
691 | up_write(&F2FS_I(old_inode)->i_sem); |
692 | ||
57397d86 | 693 | old_inode->i_ctime = CURRENT_TIME; |
57397d86 JK |
694 | mark_inode_dirty(old_inode); |
695 | ||
dbeacf02 | 696 | f2fs_delete_entry(old_entry, old_page, old_dir, NULL); |
57397d86 | 697 | |
7e01e7ad CY |
698 | if (whiteout) { |
699 | whiteout->i_state |= I_LINKABLE; | |
700 | set_inode_flag(F2FS_I(whiteout), FI_INC_LINK); | |
701 | err = f2fs_add_link(old_dentry, whiteout); | |
702 | if (err) | |
703 | goto put_out_dir; | |
704 | whiteout->i_state &= ~I_LINKABLE; | |
705 | iput(whiteout); | |
706 | } | |
707 | ||
57397d86 | 708 | if (old_dir_entry) { |
7e01e7ad | 709 | if (old_dir != new_dir && !whiteout) { |
57397d86 JK |
710 | f2fs_set_link(old_inode, old_dir_entry, |
711 | old_dir_page, new_dir); | |
a18ff063 | 712 | update_inode_page(old_inode); |
57397d86 | 713 | } else { |
9486ba44 | 714 | f2fs_dentry_kunmap(old_inode, old_dir_page); |
57397d86 JK |
715 | f2fs_put_page(old_dir_page, 0); |
716 | } | |
717 | drop_nlink(old_dir); | |
a18ff063 | 718 | mark_inode_dirty(old_dir); |
39936837 | 719 | update_inode_page(old_dir); |
57397d86 JK |
720 | } |
721 | ||
e479556b | 722 | f2fs_unlock_op(sbi); |
b7e1d800 JK |
723 | |
724 | if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) | |
725 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
726 | return 0; |
727 | ||
cbd56e7d | 728 | put_out_dir: |
1256010a | 729 | f2fs_unlock_op(sbi); |
7e01e7ad CY |
730 | if (new_page) { |
731 | f2fs_dentry_kunmap(new_dir, new_page); | |
732 | f2fs_put_page(new_page, 0); | |
733 | } | |
734 | out_whiteout: | |
735 | if (whiteout) | |
736 | iput(whiteout); | |
57397d86 JK |
737 | out_dir: |
738 | if (old_dir_entry) { | |
9486ba44 | 739 | f2fs_dentry_kunmap(old_inode, old_dir_page); |
57397d86 JK |
740 | f2fs_put_page(old_dir_page, 0); |
741 | } | |
57397d86 | 742 | out_old: |
9486ba44 | 743 | f2fs_dentry_kunmap(old_dir, old_page); |
57397d86 JK |
744 | f2fs_put_page(old_page, 0); |
745 | out: | |
746 | return err; | |
747 | } | |
748 | ||
32f9bc25 CY |
749 | static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry, |
750 | struct inode *new_dir, struct dentry *new_dentry) | |
751 | { | |
4081363f | 752 | struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir); |
2b0143b5 DH |
753 | struct inode *old_inode = d_inode(old_dentry); |
754 | struct inode *new_inode = d_inode(new_dentry); | |
32f9bc25 CY |
755 | struct page *old_dir_page, *new_dir_page; |
756 | struct page *old_page, *new_page; | |
757 | struct f2fs_dir_entry *old_dir_entry = NULL, *new_dir_entry = NULL; | |
758 | struct f2fs_dir_entry *old_entry, *new_entry; | |
759 | int old_nlink = 0, new_nlink = 0; | |
760 | int err = -ENOENT; | |
761 | ||
d3baf7c4 CY |
762 | if ((f2fs_encrypted_inode(old_dir) || f2fs_encrypted_inode(new_dir)) && |
763 | (old_dir != new_dir) && | |
764 | (!f2fs_is_child_context_consistent_with_parent(new_dir, | |
765 | old_inode) || | |
766 | !f2fs_is_child_context_consistent_with_parent(old_dir, | |
767 | new_inode))) | |
768 | return -EPERM; | |
769 | ||
32f9bc25 CY |
770 | old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page); |
771 | if (!old_entry) | |
772 | goto out; | |
773 | ||
774 | new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page); | |
775 | if (!new_entry) | |
776 | goto out_old; | |
777 | ||
778 | /* prepare for updating ".." directory entry info later */ | |
779 | if (old_dir != new_dir) { | |
780 | if (S_ISDIR(old_inode->i_mode)) { | |
781 | err = -EIO; | |
782 | old_dir_entry = f2fs_parent_dir(old_inode, | |
783 | &old_dir_page); | |
784 | if (!old_dir_entry) | |
785 | goto out_new; | |
786 | } | |
787 | ||
788 | if (S_ISDIR(new_inode->i_mode)) { | |
789 | err = -EIO; | |
790 | new_dir_entry = f2fs_parent_dir(new_inode, | |
791 | &new_dir_page); | |
792 | if (!new_dir_entry) | |
793 | goto out_old_dir; | |
794 | } | |
795 | } | |
796 | ||
797 | /* | |
798 | * If cross rename between file and directory those are not | |
799 | * in the same directory, we will inc nlink of file's parent | |
800 | * later, so we should check upper boundary of its nlink. | |
801 | */ | |
802 | if ((!old_dir_entry || !new_dir_entry) && | |
803 | old_dir_entry != new_dir_entry) { | |
804 | old_nlink = old_dir_entry ? -1 : 1; | |
805 | new_nlink = -old_nlink; | |
806 | err = -EMLINK; | |
807 | if ((old_nlink > 0 && old_inode->i_nlink >= F2FS_LINK_MAX) || | |
808 | (new_nlink > 0 && new_inode->i_nlink >= F2FS_LINK_MAX)) | |
809 | goto out_new_dir; | |
810 | } | |
811 | ||
00623e6b JK |
812 | f2fs_balance_fs(sbi); |
813 | ||
32f9bc25 CY |
814 | f2fs_lock_op(sbi); |
815 | ||
e7d55452 | 816 | err = update_dent_inode(old_inode, new_inode, &new_dentry->d_name); |
32f9bc25 CY |
817 | if (err) |
818 | goto out_unlock; | |
e7d55452 JK |
819 | if (file_enc_name(new_inode)) |
820 | file_set_enc_name(old_inode); | |
32f9bc25 | 821 | |
e7d55452 | 822 | err = update_dent_inode(new_inode, old_inode, &old_dentry->d_name); |
32f9bc25 CY |
823 | if (err) |
824 | goto out_undo; | |
e7d55452 JK |
825 | if (file_enc_name(old_inode)) |
826 | file_set_enc_name(new_inode); | |
32f9bc25 CY |
827 | |
828 | /* update ".." directory entry info of old dentry */ | |
829 | if (old_dir_entry) | |
830 | f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir); | |
831 | ||
832 | /* update ".." directory entry info of new dentry */ | |
833 | if (new_dir_entry) | |
834 | f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir); | |
835 | ||
836 | /* update directory entry info of old dir inode */ | |
837 | f2fs_set_link(old_dir, old_entry, old_page, new_inode); | |
838 | ||
839 | down_write(&F2FS_I(old_inode)->i_sem); | |
840 | file_lost_pino(old_inode); | |
841 | up_write(&F2FS_I(old_inode)->i_sem); | |
842 | ||
843 | update_inode_page(old_inode); | |
844 | ||
845 | old_dir->i_ctime = CURRENT_TIME; | |
846 | if (old_nlink) { | |
847 | down_write(&F2FS_I(old_dir)->i_sem); | |
848 | if (old_nlink < 0) | |
849 | drop_nlink(old_dir); | |
850 | else | |
851 | inc_nlink(old_dir); | |
852 | up_write(&F2FS_I(old_dir)->i_sem); | |
853 | } | |
854 | mark_inode_dirty(old_dir); | |
855 | update_inode_page(old_dir); | |
856 | ||
857 | /* update directory entry info of new dir inode */ | |
858 | f2fs_set_link(new_dir, new_entry, new_page, old_inode); | |
859 | ||
860 | down_write(&F2FS_I(new_inode)->i_sem); | |
861 | file_lost_pino(new_inode); | |
862 | up_write(&F2FS_I(new_inode)->i_sem); | |
863 | ||
864 | update_inode_page(new_inode); | |
865 | ||
866 | new_dir->i_ctime = CURRENT_TIME; | |
867 | if (new_nlink) { | |
868 | down_write(&F2FS_I(new_dir)->i_sem); | |
869 | if (new_nlink < 0) | |
870 | drop_nlink(new_dir); | |
871 | else | |
872 | inc_nlink(new_dir); | |
873 | up_write(&F2FS_I(new_dir)->i_sem); | |
874 | } | |
875 | mark_inode_dirty(new_dir); | |
876 | update_inode_page(new_dir); | |
877 | ||
878 | f2fs_unlock_op(sbi); | |
b7e1d800 JK |
879 | |
880 | if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) | |
881 | f2fs_sync_fs(sbi->sb, 1); | |
32f9bc25 CY |
882 | return 0; |
883 | out_undo: | |
e7d55452 JK |
884 | /* |
885 | * Still we may fail to recover name info of f2fs_inode here | |
886 | * Drop it, once its name is set as encrypted | |
887 | */ | |
888 | update_dent_inode(old_inode, old_inode, &old_dentry->d_name); | |
32f9bc25 CY |
889 | out_unlock: |
890 | f2fs_unlock_op(sbi); | |
891 | out_new_dir: | |
892 | if (new_dir_entry) { | |
9486ba44 | 893 | f2fs_dentry_kunmap(new_inode, new_dir_page); |
32f9bc25 CY |
894 | f2fs_put_page(new_dir_page, 0); |
895 | } | |
896 | out_old_dir: | |
897 | if (old_dir_entry) { | |
9486ba44 | 898 | f2fs_dentry_kunmap(old_inode, old_dir_page); |
32f9bc25 CY |
899 | f2fs_put_page(old_dir_page, 0); |
900 | } | |
901 | out_new: | |
9486ba44 | 902 | f2fs_dentry_kunmap(new_dir, new_page); |
32f9bc25 CY |
903 | f2fs_put_page(new_page, 0); |
904 | out_old: | |
9486ba44 | 905 | f2fs_dentry_kunmap(old_dir, old_page); |
32f9bc25 CY |
906 | f2fs_put_page(old_page, 0); |
907 | out: | |
908 | return err; | |
909 | } | |
910 | ||
911 | static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry, | |
912 | struct inode *new_dir, struct dentry *new_dentry, | |
913 | unsigned int flags) | |
914 | { | |
7e01e7ad | 915 | if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT)) |
32f9bc25 CY |
916 | return -EINVAL; |
917 | ||
918 | if (flags & RENAME_EXCHANGE) { | |
919 | return f2fs_cross_rename(old_dir, old_dentry, | |
920 | new_dir, new_dentry); | |
921 | } | |
922 | /* | |
923 | * VFS has already handled the new dentry existence case, | |
924 | * here, we just deal with "RENAME_NOREPLACE" as regular rename. | |
925 | */ | |
7e01e7ad | 926 | return f2fs_rename(old_dir, old_dentry, new_dir, new_dentry, flags); |
32f9bc25 CY |
927 | } |
928 | ||
cbaf042a | 929 | #ifdef CONFIG_F2FS_FS_ENCRYPTION |
cfcc0ad4 | 930 | static const char *f2fs_encrypted_follow_link(struct dentry *dentry, void **cookie) |
50732df0 | 931 | { |
cbaf042a JK |
932 | struct page *cpage = NULL; |
933 | char *caddr, *paddr = NULL; | |
8dc0d6a1 | 934 | struct f2fs_str cstr = FSTR_INIT(NULL, 0); |
cbaf042a JK |
935 | struct f2fs_str pstr = FSTR_INIT(NULL, 0); |
936 | struct inode *inode = d_inode(dentry); | |
937 | struct f2fs_encrypted_symlink_data *sd; | |
938 | loff_t size = min_t(loff_t, i_size_read(inode), PAGE_SIZE - 1); | |
939 | u32 max_size = inode->i_sb->s_blocksize; | |
940 | int res; | |
941 | ||
26bf3dc7 | 942 | res = f2fs_get_encryption_info(inode); |
cbaf042a JK |
943 | if (res) |
944 | return ERR_PTR(res); | |
945 | ||
946 | cpage = read_mapping_page(inode->i_mapping, 0, NULL); | |
947 | if (IS_ERR(cpage)) | |
cfcc0ad4 | 948 | return ERR_CAST(cpage); |
cbaf042a JK |
949 | caddr = kmap(cpage); |
950 | caddr[size] = 0; | |
951 | ||
952 | /* Symlink is encrypted */ | |
953 | sd = (struct f2fs_encrypted_symlink_data *)caddr; | |
cbaf042a | 954 | cstr.len = le16_to_cpu(sd->len); |
8dc0d6a1 JK |
955 | |
956 | /* this is broken symlink case */ | |
957 | if (unlikely(cstr.len == 0)) { | |
958 | res = -ENOENT; | |
959 | goto errout; | |
960 | } | |
569cf187 JK |
961 | cstr.name = kmalloc(cstr.len, GFP_NOFS); |
962 | if (!cstr.name) { | |
963 | res = -ENOMEM; | |
964 | goto errout; | |
965 | } | |
966 | memcpy(cstr.name, sd->encrypted_path, cstr.len); | |
cbaf042a JK |
967 | |
968 | /* this is broken symlink case */ | |
8dc0d6a1 | 969 | if (unlikely(cstr.name[0] == 0)) { |
cbaf042a JK |
970 | res = -ENOENT; |
971 | goto errout; | |
972 | } | |
b97a9b5d | 973 | |
cbaf042a JK |
974 | if ((cstr.len + sizeof(struct f2fs_encrypted_symlink_data) - 1) > |
975 | max_size) { | |
976 | /* Symlink data on the disk is corrupted */ | |
977 | res = -EIO; | |
978 | goto errout; | |
979 | } | |
980 | res = f2fs_fname_crypto_alloc_buffer(inode, cstr.len, &pstr); | |
981 | if (res) | |
982 | goto errout; | |
983 | ||
984 | res = f2fs_fname_disk_to_usr(inode, NULL, &cstr, &pstr); | |
985 | if (res < 0) | |
986 | goto errout; | |
987 | ||
569cf187 JK |
988 | kfree(cstr.name); |
989 | ||
cbaf042a JK |
990 | paddr = pstr.name; |
991 | ||
992 | /* Null-terminate the name */ | |
993 | paddr[res] = '\0'; | |
cbaf042a JK |
994 | |
995 | kunmap(cpage); | |
996 | page_cache_release(cpage); | |
cfcc0ad4 | 997 | return *cookie = paddr; |
cbaf042a | 998 | errout: |
569cf187 | 999 | kfree(cstr.name); |
cbaf042a JK |
1000 | f2fs_fname_crypto_free_buffer(&pstr); |
1001 | kunmap(cpage); | |
1002 | page_cache_release(cpage); | |
1003 | return ERR_PTR(res); | |
50732df0 CY |
1004 | } |
1005 | ||
cbaf042a JK |
1006 | const struct inode_operations f2fs_encrypted_symlink_inode_operations = { |
1007 | .readlink = generic_readlink, | |
1008 | .follow_link = f2fs_encrypted_follow_link, | |
1009 | .put_link = kfree_put_link, | |
1010 | .getattr = f2fs_getattr, | |
1011 | .setattr = f2fs_setattr, | |
1012 | .setxattr = generic_setxattr, | |
1013 | .getxattr = generic_getxattr, | |
1014 | .listxattr = f2fs_listxattr, | |
1015 | .removexattr = generic_removexattr, | |
1016 | }; | |
1017 | #endif | |
1018 | ||
57397d86 JK |
1019 | const struct inode_operations f2fs_dir_inode_operations = { |
1020 | .create = f2fs_create, | |
1021 | .lookup = f2fs_lookup, | |
1022 | .link = f2fs_link, | |
1023 | .unlink = f2fs_unlink, | |
1024 | .symlink = f2fs_symlink, | |
1025 | .mkdir = f2fs_mkdir, | |
1026 | .rmdir = f2fs_rmdir, | |
1027 | .mknod = f2fs_mknod, | |
32f9bc25 | 1028 | .rename2 = f2fs_rename2, |
50732df0 | 1029 | .tmpfile = f2fs_tmpfile, |
2d4d9fb5 | 1030 | .getattr = f2fs_getattr, |
57397d86 JK |
1031 | .setattr = f2fs_setattr, |
1032 | .get_acl = f2fs_get_acl, | |
a6dda0e6 | 1033 | .set_acl = f2fs_set_acl, |
57397d86 JK |
1034 | #ifdef CONFIG_F2FS_FS_XATTR |
1035 | .setxattr = generic_setxattr, | |
1036 | .getxattr = generic_getxattr, | |
1037 | .listxattr = f2fs_listxattr, | |
1038 | .removexattr = generic_removexattr, | |
1039 | #endif | |
1040 | }; | |
1041 | ||
1042 | const struct inode_operations f2fs_symlink_inode_operations = { | |
1043 | .readlink = generic_readlink, | |
feb7cbb0 | 1044 | .follow_link = f2fs_follow_link, |
57397d86 | 1045 | .put_link = page_put_link, |
2d4d9fb5 | 1046 | .getattr = f2fs_getattr, |
57397d86 JK |
1047 | .setattr = f2fs_setattr, |
1048 | #ifdef CONFIG_F2FS_FS_XATTR | |
1049 | .setxattr = generic_setxattr, | |
1050 | .getxattr = generic_getxattr, | |
1051 | .listxattr = f2fs_listxattr, | |
1052 | .removexattr = generic_removexattr, | |
1053 | #endif | |
1054 | }; | |
1055 | ||
1056 | const struct inode_operations f2fs_special_inode_operations = { | |
2d4d9fb5 | 1057 | .getattr = f2fs_getattr, |
57397d86 JK |
1058 | .setattr = f2fs_setattr, |
1059 | .get_acl = f2fs_get_acl, | |
a6dda0e6 | 1060 | .set_acl = f2fs_set_acl, |
57397d86 JK |
1061 | #ifdef CONFIG_F2FS_FS_XATTR |
1062 | .setxattr = generic_setxattr, | |
1063 | .getxattr = generic_getxattr, | |
1064 | .listxattr = f2fs_listxattr, | |
1065 | .removexattr = generic_removexattr, | |
1066 | #endif | |
1067 | }; |