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 | ||
01b960e9 | 63 | if (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 | ||
217 | f2fs_lock_op(sbi); | |
218 | ||
219 | de = f2fs_find_entry(dir, &dot, &page); | |
220 | if (de) { | |
221 | f2fs_dentry_kunmap(dir, page); | |
222 | f2fs_put_page(page, 0); | |
223 | } else { | |
224 | err = __f2fs_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR); | |
225 | if (err) | |
226 | goto out; | |
227 | } | |
228 | ||
229 | de = f2fs_find_entry(dir, &dotdot, &page); | |
230 | if (de) { | |
231 | f2fs_dentry_kunmap(dir, page); | |
232 | f2fs_put_page(page, 0); | |
233 | } else { | |
234 | err = __f2fs_add_link(dir, &dotdot, NULL, pino, S_IFDIR); | |
235 | } | |
236 | out: | |
237 | if (!err) { | |
238 | clear_inode_flag(F2FS_I(dir), FI_INLINE_DOTS); | |
239 | mark_inode_dirty(dir); | |
240 | } | |
241 | ||
242 | f2fs_unlock_op(sbi); | |
243 | return err; | |
244 | } | |
245 | ||
57397d86 JK |
246 | static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry, |
247 | unsigned int flags) | |
248 | { | |
249 | struct inode *inode = NULL; | |
250 | struct f2fs_dir_entry *de; | |
251 | struct page *page; | |
06957e8f | 252 | nid_t ino; |
fcc85a4d | 253 | int err = 0; |
57397d86 | 254 | |
5a20d339 | 255 | if (dentry->d_name.len > F2FS_NAME_LEN) |
57397d86 JK |
256 | return ERR_PTR(-ENAMETOOLONG); |
257 | ||
258 | de = f2fs_find_entry(dir, &dentry->d_name, &page); | |
06957e8f JK |
259 | if (!de) |
260 | return d_splice_alias(inode, dentry); | |
57397d86 | 261 | |
06957e8f JK |
262 | ino = le32_to_cpu(de->ino); |
263 | f2fs_dentry_kunmap(dir, page); | |
264 | f2fs_put_page(page, 0); | |
510022a8 | 265 | |
06957e8f JK |
266 | inode = f2fs_iget(dir->i_sb, ino); |
267 | if (IS_ERR(inode)) | |
268 | return ERR_CAST(inode); | |
510022a8 | 269 | |
fcc85a4d | 270 | if (f2fs_has_inline_dots(inode)) { |
06957e8f | 271 | err = __recover_dot_dentries(inode, dir->i_ino); |
fcc85a4d JK |
272 | if (err) |
273 | goto err_out; | |
57397d86 | 274 | } |
57397d86 | 275 | return d_splice_alias(inode, dentry); |
fcc85a4d JK |
276 | |
277 | err_out: | |
278 | iget_failed(inode); | |
279 | return ERR_PTR(err); | |
57397d86 JK |
280 | } |
281 | ||
282 | static int f2fs_unlink(struct inode *dir, struct dentry *dentry) | |
283 | { | |
4081363f | 284 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
2b0143b5 | 285 | struct inode *inode = d_inode(dentry); |
57397d86 JK |
286 | struct f2fs_dir_entry *de; |
287 | struct page *page; | |
288 | int err = -ENOENT; | |
289 | ||
a2a4a7e4 | 290 | trace_f2fs_unlink_enter(dir, dentry); |
1efef832 | 291 | |
57397d86 JK |
292 | de = f2fs_find_entry(dir, &dentry->d_name, &page); |
293 | if (!de) | |
294 | goto fail; | |
295 | ||
00623e6b JK |
296 | f2fs_balance_fs(sbi); |
297 | ||
ccaaca25 | 298 | f2fs_lock_op(sbi); |
cbd56e7d | 299 | err = acquire_orphan_inode(sbi); |
57397d86 | 300 | if (err) { |
ccaaca25 | 301 | f2fs_unlock_op(sbi); |
9486ba44 | 302 | f2fs_dentry_kunmap(dir, page); |
57397d86 JK |
303 | f2fs_put_page(page, 0); |
304 | goto fail; | |
305 | } | |
dbeacf02 | 306 | f2fs_delete_entry(de, page, dir, inode); |
e479556b | 307 | f2fs_unlock_op(sbi); |
57397d86 | 308 | |
e1c42045 | 309 | /* In order to evict this inode, we set it dirty */ |
57397d86 | 310 | mark_inode_dirty(inode); |
b7e1d800 JK |
311 | |
312 | if (IS_DIRSYNC(dir)) | |
313 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 | 314 | fail: |
a2a4a7e4 | 315 | trace_f2fs_unlink_exit(inode, err); |
57397d86 JK |
316 | return err; |
317 | } | |
318 | ||
6e77137b | 319 | static const char *f2fs_follow_link(struct dentry *dentry, void **cookie) |
feb7cbb0 | 320 | { |
6e77137b | 321 | const char *link = page_follow_link_light(dentry, cookie); |
680baacb AV |
322 | if (!IS_ERR(link) && !*link) { |
323 | /* this is broken symlink case */ | |
5f2c4179 | 324 | page_put_link(NULL, *cookie); |
680baacb | 325 | link = ERR_PTR(-ENOENT); |
feb7cbb0 | 326 | } |
680baacb | 327 | return link; |
feb7cbb0 JK |
328 | } |
329 | ||
57397d86 JK |
330 | static int f2fs_symlink(struct inode *dir, struct dentry *dentry, |
331 | const char *symname) | |
332 | { | |
4081363f | 333 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 | 334 | struct inode *inode; |
cbaf042a JK |
335 | size_t len = strlen(symname); |
336 | size_t p_len; | |
337 | char *p_str; | |
338 | struct f2fs_str disk_link = FSTR_INIT(NULL, 0); | |
339 | struct f2fs_encrypted_symlink_data *sd = NULL; | |
e479556b | 340 | int err; |
57397d86 | 341 | |
cbaf042a JK |
342 | if (len > dir->i_sb->s_blocksize) |
343 | return -ENAMETOOLONG; | |
344 | ||
57397d86 JK |
345 | inode = f2fs_new_inode(dir, S_IFLNK | S_IRWXUGO); |
346 | if (IS_ERR(inode)) | |
347 | return PTR_ERR(inode); | |
348 | ||
cbaf042a JK |
349 | if (f2fs_encrypted_inode(inode)) |
350 | inode->i_op = &f2fs_encrypted_symlink_inode_operations; | |
351 | else | |
352 | inode->i_op = &f2fs_symlink_inode_operations; | |
57397d86 JK |
353 | inode->i_mapping->a_ops = &f2fs_dblock_aops; |
354 | ||
00623e6b JK |
355 | f2fs_balance_fs(sbi); |
356 | ||
e479556b | 357 | f2fs_lock_op(sbi); |
57397d86 JK |
358 | err = f2fs_add_link(dentry, inode); |
359 | if (err) | |
360 | goto out; | |
44c16156 | 361 | f2fs_unlock_op(sbi); |
57397d86 JK |
362 | alloc_nid_done(sbi, inode->i_ino); |
363 | ||
cbaf042a JK |
364 | if (f2fs_encrypted_inode(dir)) { |
365 | struct qstr istr = QSTR_INIT(symname, len); | |
366 | ||
26bf3dc7 | 367 | err = f2fs_get_encryption_info(inode); |
cbaf042a JK |
368 | if (err) |
369 | goto err_out; | |
370 | ||
371 | err = f2fs_fname_crypto_alloc_buffer(inode, len, &disk_link); | |
372 | if (err) | |
373 | goto err_out; | |
374 | ||
375 | err = f2fs_fname_usr_to_disk(inode, &istr, &disk_link); | |
376 | if (err < 0) | |
377 | goto err_out; | |
378 | ||
379 | p_len = encrypted_symlink_data_len(disk_link.len) + 1; | |
380 | ||
381 | if (p_len > dir->i_sb->s_blocksize) { | |
382 | err = -ENAMETOOLONG; | |
383 | goto err_out; | |
384 | } | |
385 | ||
386 | sd = kzalloc(p_len, GFP_NOFS); | |
387 | if (!sd) { | |
388 | err = -ENOMEM; | |
389 | goto err_out; | |
390 | } | |
391 | memcpy(sd->encrypted_path, disk_link.name, disk_link.len); | |
392 | sd->len = cpu_to_le16(disk_link.len); | |
393 | p_str = (char *)sd; | |
394 | } else { | |
395 | p_len = len + 1; | |
396 | p_str = (char *)symname; | |
397 | } | |
398 | ||
399 | err = page_symlink(inode, p_str, p_len); | |
400 | ||
401 | err_out: | |
57397d86 JK |
402 | d_instantiate(dentry, inode); |
403 | unlock_new_inode(inode); | |
b7e1d800 | 404 | |
d0cae97c JK |
405 | /* |
406 | * Let's flush symlink data in order to avoid broken symlink as much as | |
407 | * possible. Nevertheless, fsyncing is the best way, but there is no | |
408 | * way to get a file descriptor in order to flush that. | |
409 | * | |
410 | * Note that, it needs to do dir->fsync to make this recoverable. | |
411 | * If the symlink path is stored into inline_data, there is no | |
412 | * performance regression. | |
413 | */ | |
a6be014e | 414 | if (!err) { |
cbaf042a | 415 | filemap_write_and_wait_range(inode->i_mapping, 0, p_len - 1); |
d0cae97c | 416 | |
a6be014e CY |
417 | if (IS_DIRSYNC(dir)) |
418 | f2fs_sync_fs(sbi->sb, 1); | |
419 | } else { | |
420 | f2fs_unlink(dir, dentry); | |
421 | } | |
cbaf042a JK |
422 | |
423 | kfree(sd); | |
424 | f2fs_fname_crypto_free_buffer(&disk_link); | |
57397d86 JK |
425 | return err; |
426 | out: | |
44c16156 | 427 | handle_failed_inode(inode); |
57397d86 JK |
428 | return err; |
429 | } | |
430 | ||
431 | static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) | |
432 | { | |
4081363f | 433 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 | 434 | struct inode *inode; |
e479556b | 435 | int err; |
57397d86 JK |
436 | |
437 | inode = f2fs_new_inode(dir, S_IFDIR | mode); | |
57397d86 | 438 | if (IS_ERR(inode)) |
61412b64 | 439 | return PTR_ERR(inode); |
57397d86 JK |
440 | |
441 | inode->i_op = &f2fs_dir_inode_operations; | |
442 | inode->i_fop = &f2fs_dir_operations; | |
443 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
560d4672 | 444 | mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_HIGH_ZERO); |
57397d86 | 445 | |
00623e6b JK |
446 | f2fs_balance_fs(sbi); |
447 | ||
57397d86 | 448 | set_inode_flag(F2FS_I(inode), FI_INC_LINK); |
e479556b | 449 | f2fs_lock_op(sbi); |
57397d86 JK |
450 | err = f2fs_add_link(dentry, inode); |
451 | if (err) | |
452 | goto out_fail; | |
44c16156 | 453 | f2fs_unlock_op(sbi); |
57397d86 JK |
454 | |
455 | alloc_nid_done(sbi, inode->i_ino); | |
456 | ||
457 | d_instantiate(dentry, inode); | |
458 | unlock_new_inode(inode); | |
459 | ||
b7e1d800 JK |
460 | if (IS_DIRSYNC(dir)) |
461 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
462 | return 0; |
463 | ||
464 | out_fail: | |
465 | clear_inode_flag(F2FS_I(inode), FI_INC_LINK); | |
44c16156 | 466 | handle_failed_inode(inode); |
57397d86 JK |
467 | return err; |
468 | } | |
469 | ||
470 | static int f2fs_rmdir(struct inode *dir, struct dentry *dentry) | |
471 | { | |
2b0143b5 | 472 | struct inode *inode = d_inode(dentry); |
57397d86 JK |
473 | if (f2fs_empty_dir(inode)) |
474 | return f2fs_unlink(dir, dentry); | |
475 | return -ENOTEMPTY; | |
476 | } | |
477 | ||
478 | static int f2fs_mknod(struct inode *dir, struct dentry *dentry, | |
479 | umode_t mode, dev_t rdev) | |
480 | { | |
4081363f | 481 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 JK |
482 | struct inode *inode; |
483 | int err = 0; | |
484 | ||
57397d86 JK |
485 | inode = f2fs_new_inode(dir, mode); |
486 | if (IS_ERR(inode)) | |
487 | return PTR_ERR(inode); | |
488 | ||
489 | init_special_inode(inode, inode->i_mode, rdev); | |
490 | inode->i_op = &f2fs_special_inode_operations; | |
491 | ||
00623e6b JK |
492 | f2fs_balance_fs(sbi); |
493 | ||
e479556b | 494 | f2fs_lock_op(sbi); |
57397d86 JK |
495 | err = f2fs_add_link(dentry, inode); |
496 | if (err) | |
497 | goto out; | |
44c16156 | 498 | f2fs_unlock_op(sbi); |
57397d86 JK |
499 | |
500 | alloc_nid_done(sbi, inode->i_ino); | |
b7e1d800 | 501 | |
57397d86 JK |
502 | d_instantiate(dentry, inode); |
503 | unlock_new_inode(inode); | |
b7e1d800 JK |
504 | |
505 | if (IS_DIRSYNC(dir)) | |
506 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
507 | return 0; |
508 | out: | |
44c16156 | 509 | handle_failed_inode(inode); |
57397d86 JK |
510 | return err; |
511 | } | |
512 | ||
7e01e7ad CY |
513 | static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry, |
514 | umode_t mode, struct inode **whiteout) | |
515 | { | |
516 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); | |
517 | struct inode *inode; | |
518 | int err; | |
519 | ||
7e01e7ad CY |
520 | inode = f2fs_new_inode(dir, mode); |
521 | if (IS_ERR(inode)) | |
522 | return PTR_ERR(inode); | |
523 | ||
524 | if (whiteout) { | |
525 | init_special_inode(inode, inode->i_mode, WHITEOUT_DEV); | |
526 | inode->i_op = &f2fs_special_inode_operations; | |
527 | } else { | |
528 | inode->i_op = &f2fs_file_inode_operations; | |
529 | inode->i_fop = &f2fs_file_operations; | |
530 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
531 | } | |
532 | ||
00623e6b JK |
533 | f2fs_balance_fs(sbi); |
534 | ||
7e01e7ad CY |
535 | f2fs_lock_op(sbi); |
536 | err = acquire_orphan_inode(sbi); | |
537 | if (err) | |
538 | goto out; | |
539 | ||
540 | err = f2fs_do_tmpfile(inode, dir); | |
541 | if (err) | |
542 | goto release_out; | |
543 | ||
544 | /* | |
545 | * add this non-linked tmpfile to orphan list, in this way we could | |
546 | * remove all unused data of tmpfile after abnormal power-off. | |
547 | */ | |
548 | add_orphan_inode(sbi, inode->i_ino); | |
549 | f2fs_unlock_op(sbi); | |
550 | ||
551 | alloc_nid_done(sbi, inode->i_ino); | |
552 | ||
553 | if (whiteout) { | |
554 | inode_dec_link_count(inode); | |
555 | *whiteout = inode; | |
556 | } else { | |
557 | d_tmpfile(dentry, inode); | |
558 | } | |
559 | unlock_new_inode(inode); | |
560 | return 0; | |
561 | ||
562 | release_out: | |
563 | release_orphan_inode(sbi); | |
564 | out: | |
565 | handle_failed_inode(inode); | |
566 | return err; | |
567 | } | |
568 | ||
569 | static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) | |
570 | { | |
304eecc3 JK |
571 | if (f2fs_encrypted_inode(dir)) { |
572 | int err = f2fs_get_encryption_info(dir); | |
573 | if (err) | |
574 | return err; | |
575 | } | |
576 | ||
7e01e7ad CY |
577 | return __f2fs_tmpfile(dir, dentry, mode, NULL); |
578 | } | |
579 | ||
580 | static int f2fs_create_whiteout(struct inode *dir, struct inode **whiteout) | |
581 | { | |
582 | return __f2fs_tmpfile(dir, NULL, S_IFCHR | WHITEOUT_MODE, whiteout); | |
583 | } | |
584 | ||
57397d86 | 585 | static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, |
7e01e7ad CY |
586 | struct inode *new_dir, struct dentry *new_dentry, |
587 | unsigned int flags) | |
57397d86 | 588 | { |
4081363f | 589 | struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir); |
2b0143b5 DH |
590 | struct inode *old_inode = d_inode(old_dentry); |
591 | struct inode *new_inode = d_inode(new_dentry); | |
7e01e7ad | 592 | struct inode *whiteout = NULL; |
57397d86 | 593 | struct page *old_dir_page; |
7e01e7ad | 594 | struct page *old_page, *new_page = NULL; |
57397d86 JK |
595 | struct f2fs_dir_entry *old_dir_entry = NULL; |
596 | struct f2fs_dir_entry *old_entry; | |
597 | struct f2fs_dir_entry *new_entry; | |
e479556b | 598 | int err = -ENOENT; |
57397d86 | 599 | |
fcc85a4d JK |
600 | if ((old_dir != new_dir) && f2fs_encrypted_inode(new_dir) && |
601 | !f2fs_is_child_context_consistent_with_parent(new_dir, | |
602 | old_inode)) { | |
603 | err = -EPERM; | |
604 | goto out; | |
605 | } | |
606 | ||
57397d86 JK |
607 | old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page); |
608 | if (!old_entry) | |
609 | goto out; | |
610 | ||
611 | if (S_ISDIR(old_inode->i_mode)) { | |
612 | err = -EIO; | |
613 | old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page); | |
614 | if (!old_dir_entry) | |
615 | goto out_old; | |
616 | } | |
617 | ||
7e01e7ad CY |
618 | if (flags & RENAME_WHITEOUT) { |
619 | err = f2fs_create_whiteout(old_dir, &whiteout); | |
620 | if (err) | |
621 | goto out_dir; | |
622 | } | |
623 | ||
57397d86 | 624 | if (new_inode) { |
57397d86 JK |
625 | |
626 | err = -ENOTEMPTY; | |
627 | if (old_dir_entry && !f2fs_empty_dir(new_inode)) | |
7e01e7ad | 628 | goto out_whiteout; |
57397d86 JK |
629 | |
630 | err = -ENOENT; | |
631 | new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, | |
632 | &new_page); | |
633 | if (!new_entry) | |
7e01e7ad | 634 | goto out_whiteout; |
57397d86 | 635 | |
00623e6b JK |
636 | f2fs_balance_fs(sbi); |
637 | ||
1256010a CY |
638 | f2fs_lock_op(sbi); |
639 | ||
cbd56e7d JK |
640 | err = acquire_orphan_inode(sbi); |
641 | if (err) | |
642 | goto put_out_dir; | |
643 | ||
e7d55452 JK |
644 | if (update_dent_inode(old_inode, new_inode, |
645 | &new_dentry->d_name)) { | |
cbd56e7d JK |
646 | release_orphan_inode(sbi); |
647 | goto put_out_dir; | |
1cd14caf JK |
648 | } |
649 | ||
57397d86 JK |
650 | f2fs_set_link(new_dir, new_entry, new_page, old_inode); |
651 | ||
652 | new_inode->i_ctime = CURRENT_TIME; | |
d928bfbf | 653 | down_write(&F2FS_I(new_inode)->i_sem); |
57397d86 JK |
654 | if (old_dir_entry) |
655 | drop_nlink(new_inode); | |
656 | drop_nlink(new_inode); | |
d928bfbf JK |
657 | up_write(&F2FS_I(new_inode)->i_sem); |
658 | ||
a18ff063 | 659 | mark_inode_dirty(new_inode); |
cbd56e7d | 660 | |
57397d86 JK |
661 | if (!new_inode->i_nlink) |
662 | add_orphan_inode(sbi, new_inode->i_ino); | |
cbd56e7d JK |
663 | else |
664 | release_orphan_inode(sbi); | |
665 | ||
8cb82688 | 666 | update_inode_page(old_inode); |
39936837 | 667 | update_inode_page(new_inode); |
57397d86 | 668 | } else { |
00623e6b JK |
669 | f2fs_balance_fs(sbi); |
670 | ||
1256010a CY |
671 | f2fs_lock_op(sbi); |
672 | ||
57397d86 | 673 | err = f2fs_add_link(new_dentry, old_inode); |
1256010a CY |
674 | if (err) { |
675 | f2fs_unlock_op(sbi); | |
7e01e7ad | 676 | goto out_whiteout; |
1256010a | 677 | } |
57397d86 JK |
678 | |
679 | if (old_dir_entry) { | |
680 | inc_nlink(new_dir); | |
39936837 | 681 | update_inode_page(new_dir); |
57397d86 JK |
682 | } |
683 | } | |
684 | ||
b2c08299 JK |
685 | down_write(&F2FS_I(old_inode)->i_sem); |
686 | file_lost_pino(old_inode); | |
e7d55452 JK |
687 | if (new_inode && file_enc_name(new_inode)) |
688 | file_set_enc_name(old_inode); | |
b2c08299 JK |
689 | up_write(&F2FS_I(old_inode)->i_sem); |
690 | ||
57397d86 | 691 | old_inode->i_ctime = CURRENT_TIME; |
57397d86 JK |
692 | mark_inode_dirty(old_inode); |
693 | ||
dbeacf02 | 694 | f2fs_delete_entry(old_entry, old_page, old_dir, NULL); |
57397d86 | 695 | |
7e01e7ad CY |
696 | if (whiteout) { |
697 | whiteout->i_state |= I_LINKABLE; | |
698 | set_inode_flag(F2FS_I(whiteout), FI_INC_LINK); | |
699 | err = f2fs_add_link(old_dentry, whiteout); | |
700 | if (err) | |
701 | goto put_out_dir; | |
702 | whiteout->i_state &= ~I_LINKABLE; | |
703 | iput(whiteout); | |
704 | } | |
705 | ||
57397d86 | 706 | if (old_dir_entry) { |
7e01e7ad | 707 | if (old_dir != new_dir && !whiteout) { |
57397d86 JK |
708 | f2fs_set_link(old_inode, old_dir_entry, |
709 | old_dir_page, new_dir); | |
a18ff063 | 710 | update_inode_page(old_inode); |
57397d86 | 711 | } else { |
9486ba44 | 712 | f2fs_dentry_kunmap(old_inode, old_dir_page); |
57397d86 JK |
713 | f2fs_put_page(old_dir_page, 0); |
714 | } | |
715 | drop_nlink(old_dir); | |
a18ff063 | 716 | mark_inode_dirty(old_dir); |
39936837 | 717 | update_inode_page(old_dir); |
57397d86 JK |
718 | } |
719 | ||
e479556b | 720 | f2fs_unlock_op(sbi); |
b7e1d800 JK |
721 | |
722 | if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) | |
723 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
724 | return 0; |
725 | ||
cbd56e7d | 726 | put_out_dir: |
1256010a | 727 | f2fs_unlock_op(sbi); |
7e01e7ad CY |
728 | if (new_page) { |
729 | f2fs_dentry_kunmap(new_dir, new_page); | |
730 | f2fs_put_page(new_page, 0); | |
731 | } | |
732 | out_whiteout: | |
733 | if (whiteout) | |
734 | iput(whiteout); | |
57397d86 JK |
735 | out_dir: |
736 | if (old_dir_entry) { | |
9486ba44 | 737 | f2fs_dentry_kunmap(old_inode, old_dir_page); |
57397d86 JK |
738 | f2fs_put_page(old_dir_page, 0); |
739 | } | |
57397d86 | 740 | out_old: |
9486ba44 | 741 | f2fs_dentry_kunmap(old_dir, old_page); |
57397d86 JK |
742 | f2fs_put_page(old_page, 0); |
743 | out: | |
744 | return err; | |
745 | } | |
746 | ||
32f9bc25 CY |
747 | static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry, |
748 | struct inode *new_dir, struct dentry *new_dentry) | |
749 | { | |
4081363f | 750 | struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir); |
2b0143b5 DH |
751 | struct inode *old_inode = d_inode(old_dentry); |
752 | struct inode *new_inode = d_inode(new_dentry); | |
32f9bc25 CY |
753 | struct page *old_dir_page, *new_dir_page; |
754 | struct page *old_page, *new_page; | |
755 | struct f2fs_dir_entry *old_dir_entry = NULL, *new_dir_entry = NULL; | |
756 | struct f2fs_dir_entry *old_entry, *new_entry; | |
757 | int old_nlink = 0, new_nlink = 0; | |
758 | int err = -ENOENT; | |
759 | ||
d3baf7c4 CY |
760 | if ((f2fs_encrypted_inode(old_dir) || f2fs_encrypted_inode(new_dir)) && |
761 | (old_dir != new_dir) && | |
762 | (!f2fs_is_child_context_consistent_with_parent(new_dir, | |
763 | old_inode) || | |
764 | !f2fs_is_child_context_consistent_with_parent(old_dir, | |
765 | new_inode))) | |
766 | return -EPERM; | |
767 | ||
32f9bc25 CY |
768 | old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page); |
769 | if (!old_entry) | |
770 | goto out; | |
771 | ||
772 | new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page); | |
773 | if (!new_entry) | |
774 | goto out_old; | |
775 | ||
776 | /* prepare for updating ".." directory entry info later */ | |
777 | if (old_dir != new_dir) { | |
778 | if (S_ISDIR(old_inode->i_mode)) { | |
779 | err = -EIO; | |
780 | old_dir_entry = f2fs_parent_dir(old_inode, | |
781 | &old_dir_page); | |
782 | if (!old_dir_entry) | |
783 | goto out_new; | |
784 | } | |
785 | ||
786 | if (S_ISDIR(new_inode->i_mode)) { | |
787 | err = -EIO; | |
788 | new_dir_entry = f2fs_parent_dir(new_inode, | |
789 | &new_dir_page); | |
790 | if (!new_dir_entry) | |
791 | goto out_old_dir; | |
792 | } | |
793 | } | |
794 | ||
795 | /* | |
796 | * If cross rename between file and directory those are not | |
797 | * in the same directory, we will inc nlink of file's parent | |
798 | * later, so we should check upper boundary of its nlink. | |
799 | */ | |
800 | if ((!old_dir_entry || !new_dir_entry) && | |
801 | old_dir_entry != new_dir_entry) { | |
802 | old_nlink = old_dir_entry ? -1 : 1; | |
803 | new_nlink = -old_nlink; | |
804 | err = -EMLINK; | |
805 | if ((old_nlink > 0 && old_inode->i_nlink >= F2FS_LINK_MAX) || | |
806 | (new_nlink > 0 && new_inode->i_nlink >= F2FS_LINK_MAX)) | |
807 | goto out_new_dir; | |
808 | } | |
809 | ||
00623e6b JK |
810 | f2fs_balance_fs(sbi); |
811 | ||
32f9bc25 CY |
812 | f2fs_lock_op(sbi); |
813 | ||
e7d55452 | 814 | err = update_dent_inode(old_inode, new_inode, &new_dentry->d_name); |
32f9bc25 CY |
815 | if (err) |
816 | goto out_unlock; | |
e7d55452 JK |
817 | if (file_enc_name(new_inode)) |
818 | file_set_enc_name(old_inode); | |
32f9bc25 | 819 | |
e7d55452 | 820 | err = update_dent_inode(new_inode, old_inode, &old_dentry->d_name); |
32f9bc25 CY |
821 | if (err) |
822 | goto out_undo; | |
e7d55452 JK |
823 | if (file_enc_name(old_inode)) |
824 | file_set_enc_name(new_inode); | |
32f9bc25 CY |
825 | |
826 | /* update ".." directory entry info of old dentry */ | |
827 | if (old_dir_entry) | |
828 | f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir); | |
829 | ||
830 | /* update ".." directory entry info of new dentry */ | |
831 | if (new_dir_entry) | |
832 | f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir); | |
833 | ||
834 | /* update directory entry info of old dir inode */ | |
835 | f2fs_set_link(old_dir, old_entry, old_page, new_inode); | |
836 | ||
837 | down_write(&F2FS_I(old_inode)->i_sem); | |
838 | file_lost_pino(old_inode); | |
839 | up_write(&F2FS_I(old_inode)->i_sem); | |
840 | ||
841 | update_inode_page(old_inode); | |
842 | ||
843 | old_dir->i_ctime = CURRENT_TIME; | |
844 | if (old_nlink) { | |
845 | down_write(&F2FS_I(old_dir)->i_sem); | |
846 | if (old_nlink < 0) | |
847 | drop_nlink(old_dir); | |
848 | else | |
849 | inc_nlink(old_dir); | |
850 | up_write(&F2FS_I(old_dir)->i_sem); | |
851 | } | |
852 | mark_inode_dirty(old_dir); | |
853 | update_inode_page(old_dir); | |
854 | ||
855 | /* update directory entry info of new dir inode */ | |
856 | f2fs_set_link(new_dir, new_entry, new_page, old_inode); | |
857 | ||
858 | down_write(&F2FS_I(new_inode)->i_sem); | |
859 | file_lost_pino(new_inode); | |
860 | up_write(&F2FS_I(new_inode)->i_sem); | |
861 | ||
862 | update_inode_page(new_inode); | |
863 | ||
864 | new_dir->i_ctime = CURRENT_TIME; | |
865 | if (new_nlink) { | |
866 | down_write(&F2FS_I(new_dir)->i_sem); | |
867 | if (new_nlink < 0) | |
868 | drop_nlink(new_dir); | |
869 | else | |
870 | inc_nlink(new_dir); | |
871 | up_write(&F2FS_I(new_dir)->i_sem); | |
872 | } | |
873 | mark_inode_dirty(new_dir); | |
874 | update_inode_page(new_dir); | |
875 | ||
876 | f2fs_unlock_op(sbi); | |
b7e1d800 JK |
877 | |
878 | if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) | |
879 | f2fs_sync_fs(sbi->sb, 1); | |
32f9bc25 CY |
880 | return 0; |
881 | out_undo: | |
e7d55452 JK |
882 | /* |
883 | * Still we may fail to recover name info of f2fs_inode here | |
884 | * Drop it, once its name is set as encrypted | |
885 | */ | |
886 | update_dent_inode(old_inode, old_inode, &old_dentry->d_name); | |
32f9bc25 CY |
887 | out_unlock: |
888 | f2fs_unlock_op(sbi); | |
889 | out_new_dir: | |
890 | if (new_dir_entry) { | |
9486ba44 | 891 | f2fs_dentry_kunmap(new_inode, new_dir_page); |
32f9bc25 CY |
892 | f2fs_put_page(new_dir_page, 0); |
893 | } | |
894 | out_old_dir: | |
895 | if (old_dir_entry) { | |
9486ba44 | 896 | f2fs_dentry_kunmap(old_inode, old_dir_page); |
32f9bc25 CY |
897 | f2fs_put_page(old_dir_page, 0); |
898 | } | |
899 | out_new: | |
9486ba44 | 900 | f2fs_dentry_kunmap(new_dir, new_page); |
32f9bc25 CY |
901 | f2fs_put_page(new_page, 0); |
902 | out_old: | |
9486ba44 | 903 | f2fs_dentry_kunmap(old_dir, old_page); |
32f9bc25 CY |
904 | f2fs_put_page(old_page, 0); |
905 | out: | |
906 | return err; | |
907 | } | |
908 | ||
909 | static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry, | |
910 | struct inode *new_dir, struct dentry *new_dentry, | |
911 | unsigned int flags) | |
912 | { | |
7e01e7ad | 913 | if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT)) |
32f9bc25 CY |
914 | return -EINVAL; |
915 | ||
916 | if (flags & RENAME_EXCHANGE) { | |
917 | return f2fs_cross_rename(old_dir, old_dentry, | |
918 | new_dir, new_dentry); | |
919 | } | |
920 | /* | |
921 | * VFS has already handled the new dentry existence case, | |
922 | * here, we just deal with "RENAME_NOREPLACE" as regular rename. | |
923 | */ | |
7e01e7ad | 924 | return f2fs_rename(old_dir, old_dentry, new_dir, new_dentry, flags); |
32f9bc25 CY |
925 | } |
926 | ||
cbaf042a | 927 | #ifdef CONFIG_F2FS_FS_ENCRYPTION |
cfcc0ad4 | 928 | static const char *f2fs_encrypted_follow_link(struct dentry *dentry, void **cookie) |
50732df0 | 929 | { |
cbaf042a JK |
930 | struct page *cpage = NULL; |
931 | char *caddr, *paddr = NULL; | |
932 | struct f2fs_str cstr; | |
933 | struct f2fs_str pstr = FSTR_INIT(NULL, 0); | |
934 | struct inode *inode = d_inode(dentry); | |
935 | struct f2fs_encrypted_symlink_data *sd; | |
936 | loff_t size = min_t(loff_t, i_size_read(inode), PAGE_SIZE - 1); | |
937 | u32 max_size = inode->i_sb->s_blocksize; | |
938 | int res; | |
939 | ||
26bf3dc7 | 940 | res = f2fs_get_encryption_info(inode); |
cbaf042a JK |
941 | if (res) |
942 | return ERR_PTR(res); | |
943 | ||
944 | cpage = read_mapping_page(inode->i_mapping, 0, NULL); | |
945 | if (IS_ERR(cpage)) | |
cfcc0ad4 | 946 | return ERR_CAST(cpage); |
cbaf042a JK |
947 | caddr = kmap(cpage); |
948 | caddr[size] = 0; | |
949 | ||
950 | /* Symlink is encrypted */ | |
951 | sd = (struct f2fs_encrypted_symlink_data *)caddr; | |
cbaf042a | 952 | cstr.len = le16_to_cpu(sd->len); |
569cf187 JK |
953 | cstr.name = kmalloc(cstr.len, GFP_NOFS); |
954 | if (!cstr.name) { | |
955 | res = -ENOMEM; | |
956 | goto errout; | |
957 | } | |
958 | memcpy(cstr.name, sd->encrypted_path, cstr.len); | |
cbaf042a JK |
959 | |
960 | /* this is broken symlink case */ | |
961 | if (cstr.name[0] == 0 && cstr.len == 0) { | |
962 | res = -ENOENT; | |
963 | goto errout; | |
964 | } | |
b97a9b5d | 965 | |
cbaf042a JK |
966 | if ((cstr.len + sizeof(struct f2fs_encrypted_symlink_data) - 1) > |
967 | max_size) { | |
968 | /* Symlink data on the disk is corrupted */ | |
969 | res = -EIO; | |
970 | goto errout; | |
971 | } | |
972 | res = f2fs_fname_crypto_alloc_buffer(inode, cstr.len, &pstr); | |
973 | if (res) | |
974 | goto errout; | |
975 | ||
976 | res = f2fs_fname_disk_to_usr(inode, NULL, &cstr, &pstr); | |
977 | if (res < 0) | |
978 | goto errout; | |
979 | ||
569cf187 JK |
980 | kfree(cstr.name); |
981 | ||
cbaf042a JK |
982 | paddr = pstr.name; |
983 | ||
984 | /* Null-terminate the name */ | |
985 | paddr[res] = '\0'; | |
cbaf042a JK |
986 | |
987 | kunmap(cpage); | |
988 | page_cache_release(cpage); | |
cfcc0ad4 | 989 | return *cookie = paddr; |
cbaf042a | 990 | errout: |
569cf187 | 991 | kfree(cstr.name); |
cbaf042a JK |
992 | f2fs_fname_crypto_free_buffer(&pstr); |
993 | kunmap(cpage); | |
994 | page_cache_release(cpage); | |
995 | return ERR_PTR(res); | |
50732df0 CY |
996 | } |
997 | ||
cbaf042a JK |
998 | const struct inode_operations f2fs_encrypted_symlink_inode_operations = { |
999 | .readlink = generic_readlink, | |
1000 | .follow_link = f2fs_encrypted_follow_link, | |
1001 | .put_link = kfree_put_link, | |
1002 | .getattr = f2fs_getattr, | |
1003 | .setattr = f2fs_setattr, | |
1004 | .setxattr = generic_setxattr, | |
1005 | .getxattr = generic_getxattr, | |
1006 | .listxattr = f2fs_listxattr, | |
1007 | .removexattr = generic_removexattr, | |
1008 | }; | |
1009 | #endif | |
1010 | ||
57397d86 JK |
1011 | const struct inode_operations f2fs_dir_inode_operations = { |
1012 | .create = f2fs_create, | |
1013 | .lookup = f2fs_lookup, | |
1014 | .link = f2fs_link, | |
1015 | .unlink = f2fs_unlink, | |
1016 | .symlink = f2fs_symlink, | |
1017 | .mkdir = f2fs_mkdir, | |
1018 | .rmdir = f2fs_rmdir, | |
1019 | .mknod = f2fs_mknod, | |
32f9bc25 | 1020 | .rename2 = f2fs_rename2, |
50732df0 | 1021 | .tmpfile = f2fs_tmpfile, |
2d4d9fb5 | 1022 | .getattr = f2fs_getattr, |
57397d86 JK |
1023 | .setattr = f2fs_setattr, |
1024 | .get_acl = f2fs_get_acl, | |
a6dda0e6 | 1025 | .set_acl = f2fs_set_acl, |
57397d86 JK |
1026 | #ifdef CONFIG_F2FS_FS_XATTR |
1027 | .setxattr = generic_setxattr, | |
1028 | .getxattr = generic_getxattr, | |
1029 | .listxattr = f2fs_listxattr, | |
1030 | .removexattr = generic_removexattr, | |
1031 | #endif | |
1032 | }; | |
1033 | ||
1034 | const struct inode_operations f2fs_symlink_inode_operations = { | |
1035 | .readlink = generic_readlink, | |
feb7cbb0 | 1036 | .follow_link = f2fs_follow_link, |
57397d86 | 1037 | .put_link = page_put_link, |
2d4d9fb5 | 1038 | .getattr = f2fs_getattr, |
57397d86 JK |
1039 | .setattr = f2fs_setattr, |
1040 | #ifdef CONFIG_F2FS_FS_XATTR | |
1041 | .setxattr = generic_setxattr, | |
1042 | .getxattr = generic_getxattr, | |
1043 | .listxattr = f2fs_listxattr, | |
1044 | .removexattr = generic_removexattr, | |
1045 | #endif | |
1046 | }; | |
1047 | ||
1048 | const struct inode_operations f2fs_special_inode_operations = { | |
2d4d9fb5 | 1049 | .getattr = f2fs_getattr, |
57397d86 JK |
1050 | .setattr = f2fs_setattr, |
1051 | .get_acl = f2fs_get_acl, | |
a6dda0e6 | 1052 | .set_acl = f2fs_set_acl, |
57397d86 JK |
1053 | #ifdef CONFIG_F2FS_FS_XATTR |
1054 | .setxattr = generic_setxattr, | |
1055 | .getxattr = generic_getxattr, | |
1056 | .listxattr = f2fs_listxattr, | |
1057 | .removexattr = generic_removexattr, | |
1058 | #endif | |
1059 | }; |