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Commit | Line | Data |
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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 | ||
4e0d836d CY |
217 | if (f2fs_readonly(sbi->sb)) { |
218 | f2fs_msg(sbi->sb, KERN_INFO, | |
219 | "skip recovering inline_dots inode (ino:%lu, pino:%u) " | |
220 | "in readonly mountpoint", dir->i_ino, pino); | |
221 | return 0; | |
222 | } | |
223 | ||
d5384174 CY |
224 | f2fs_balance_fs(sbi); |
225 | ||
510022a8 JK |
226 | f2fs_lock_op(sbi); |
227 | ||
228 | de = f2fs_find_entry(dir, &dot, &page); | |
229 | if (de) { | |
230 | f2fs_dentry_kunmap(dir, page); | |
231 | f2fs_put_page(page, 0); | |
232 | } else { | |
233 | err = __f2fs_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR); | |
234 | if (err) | |
235 | goto out; | |
236 | } | |
237 | ||
238 | de = f2fs_find_entry(dir, &dotdot, &page); | |
239 | if (de) { | |
240 | f2fs_dentry_kunmap(dir, page); | |
241 | f2fs_put_page(page, 0); | |
242 | } else { | |
243 | err = __f2fs_add_link(dir, &dotdot, NULL, pino, S_IFDIR); | |
244 | } | |
245 | out: | |
246 | if (!err) { | |
247 | clear_inode_flag(F2FS_I(dir), FI_INLINE_DOTS); | |
248 | mark_inode_dirty(dir); | |
249 | } | |
250 | ||
251 | f2fs_unlock_op(sbi); | |
252 | return err; | |
253 | } | |
254 | ||
57397d86 JK |
255 | static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry, |
256 | unsigned int flags) | |
257 | { | |
258 | struct inode *inode = NULL; | |
259 | struct f2fs_dir_entry *de; | |
260 | struct page *page; | |
06957e8f | 261 | nid_t ino; |
fcc85a4d | 262 | int err = 0; |
57397d86 | 263 | |
5a20d339 | 264 | if (dentry->d_name.len > F2FS_NAME_LEN) |
57397d86 JK |
265 | return ERR_PTR(-ENAMETOOLONG); |
266 | ||
267 | de = f2fs_find_entry(dir, &dentry->d_name, &page); | |
06957e8f JK |
268 | if (!de) |
269 | return d_splice_alias(inode, dentry); | |
57397d86 | 270 | |
06957e8f JK |
271 | ino = le32_to_cpu(de->ino); |
272 | f2fs_dentry_kunmap(dir, page); | |
273 | f2fs_put_page(page, 0); | |
510022a8 | 274 | |
06957e8f JK |
275 | inode = f2fs_iget(dir->i_sb, ino); |
276 | if (IS_ERR(inode)) | |
277 | return ERR_CAST(inode); | |
510022a8 | 278 | |
fcc85a4d | 279 | if (f2fs_has_inline_dots(inode)) { |
06957e8f | 280 | err = __recover_dot_dentries(inode, dir->i_ino); |
fcc85a4d JK |
281 | if (err) |
282 | goto err_out; | |
57397d86 | 283 | } |
57397d86 | 284 | return d_splice_alias(inode, dentry); |
fcc85a4d JK |
285 | |
286 | err_out: | |
287 | iget_failed(inode); | |
288 | return ERR_PTR(err); | |
57397d86 JK |
289 | } |
290 | ||
291 | static int f2fs_unlink(struct inode *dir, struct dentry *dentry) | |
292 | { | |
4081363f | 293 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
2b0143b5 | 294 | struct inode *inode = d_inode(dentry); |
57397d86 JK |
295 | struct f2fs_dir_entry *de; |
296 | struct page *page; | |
297 | int err = -ENOENT; | |
298 | ||
a2a4a7e4 | 299 | trace_f2fs_unlink_enter(dir, dentry); |
1efef832 | 300 | |
57397d86 JK |
301 | de = f2fs_find_entry(dir, &dentry->d_name, &page); |
302 | if (!de) | |
303 | goto fail; | |
304 | ||
00623e6b JK |
305 | f2fs_balance_fs(sbi); |
306 | ||
ccaaca25 | 307 | f2fs_lock_op(sbi); |
cbd56e7d | 308 | err = acquire_orphan_inode(sbi); |
57397d86 | 309 | if (err) { |
ccaaca25 | 310 | f2fs_unlock_op(sbi); |
9486ba44 | 311 | f2fs_dentry_kunmap(dir, page); |
57397d86 JK |
312 | f2fs_put_page(page, 0); |
313 | goto fail; | |
314 | } | |
dbeacf02 | 315 | f2fs_delete_entry(de, page, dir, inode); |
e479556b | 316 | f2fs_unlock_op(sbi); |
57397d86 | 317 | |
e1c42045 | 318 | /* In order to evict this inode, we set it dirty */ |
57397d86 | 319 | mark_inode_dirty(inode); |
b7e1d800 JK |
320 | |
321 | if (IS_DIRSYNC(dir)) | |
322 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 | 323 | fail: |
a2a4a7e4 | 324 | trace_f2fs_unlink_exit(inode, err); |
57397d86 JK |
325 | return err; |
326 | } | |
327 | ||
6e77137b | 328 | static const char *f2fs_follow_link(struct dentry *dentry, void **cookie) |
feb7cbb0 | 329 | { |
6e77137b | 330 | const char *link = page_follow_link_light(dentry, cookie); |
680baacb AV |
331 | if (!IS_ERR(link) && !*link) { |
332 | /* this is broken symlink case */ | |
5f2c4179 | 333 | page_put_link(NULL, *cookie); |
680baacb | 334 | link = ERR_PTR(-ENOENT); |
feb7cbb0 | 335 | } |
680baacb | 336 | return link; |
feb7cbb0 JK |
337 | } |
338 | ||
57397d86 JK |
339 | static int f2fs_symlink(struct inode *dir, struct dentry *dentry, |
340 | const char *symname) | |
341 | { | |
4081363f | 342 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 | 343 | struct inode *inode; |
cbaf042a JK |
344 | size_t len = strlen(symname); |
345 | size_t p_len; | |
346 | char *p_str; | |
347 | struct f2fs_str disk_link = FSTR_INIT(NULL, 0); | |
348 | struct f2fs_encrypted_symlink_data *sd = NULL; | |
e479556b | 349 | int err; |
57397d86 | 350 | |
cbaf042a JK |
351 | if (len > dir->i_sb->s_blocksize) |
352 | return -ENAMETOOLONG; | |
353 | ||
57397d86 JK |
354 | inode = f2fs_new_inode(dir, S_IFLNK | S_IRWXUGO); |
355 | if (IS_ERR(inode)) | |
356 | return PTR_ERR(inode); | |
357 | ||
cbaf042a JK |
358 | if (f2fs_encrypted_inode(inode)) |
359 | inode->i_op = &f2fs_encrypted_symlink_inode_operations; | |
360 | else | |
361 | inode->i_op = &f2fs_symlink_inode_operations; | |
57397d86 JK |
362 | inode->i_mapping->a_ops = &f2fs_dblock_aops; |
363 | ||
00623e6b JK |
364 | f2fs_balance_fs(sbi); |
365 | ||
e479556b | 366 | f2fs_lock_op(sbi); |
57397d86 JK |
367 | err = f2fs_add_link(dentry, inode); |
368 | if (err) | |
369 | goto out; | |
44c16156 | 370 | f2fs_unlock_op(sbi); |
57397d86 JK |
371 | alloc_nid_done(sbi, inode->i_ino); |
372 | ||
cbaf042a JK |
373 | if (f2fs_encrypted_inode(dir)) { |
374 | struct qstr istr = QSTR_INIT(symname, len); | |
375 | ||
26bf3dc7 | 376 | err = f2fs_get_encryption_info(inode); |
cbaf042a JK |
377 | if (err) |
378 | goto err_out; | |
379 | ||
380 | err = f2fs_fname_crypto_alloc_buffer(inode, len, &disk_link); | |
381 | if (err) | |
382 | goto err_out; | |
383 | ||
384 | err = f2fs_fname_usr_to_disk(inode, &istr, &disk_link); | |
385 | if (err < 0) | |
386 | goto err_out; | |
387 | ||
388 | p_len = encrypted_symlink_data_len(disk_link.len) + 1; | |
389 | ||
390 | if (p_len > dir->i_sb->s_blocksize) { | |
391 | err = -ENAMETOOLONG; | |
392 | goto err_out; | |
393 | } | |
394 | ||
395 | sd = kzalloc(p_len, GFP_NOFS); | |
396 | if (!sd) { | |
397 | err = -ENOMEM; | |
398 | goto err_out; | |
399 | } | |
400 | memcpy(sd->encrypted_path, disk_link.name, disk_link.len); | |
401 | sd->len = cpu_to_le16(disk_link.len); | |
402 | p_str = (char *)sd; | |
403 | } else { | |
404 | p_len = len + 1; | |
405 | p_str = (char *)symname; | |
406 | } | |
407 | ||
408 | err = page_symlink(inode, p_str, p_len); | |
409 | ||
410 | err_out: | |
57397d86 JK |
411 | d_instantiate(dentry, inode); |
412 | unlock_new_inode(inode); | |
b7e1d800 | 413 | |
d0cae97c JK |
414 | /* |
415 | * Let's flush symlink data in order to avoid broken symlink as much as | |
416 | * possible. Nevertheless, fsyncing is the best way, but there is no | |
417 | * way to get a file descriptor in order to flush that. | |
418 | * | |
419 | * Note that, it needs to do dir->fsync to make this recoverable. | |
420 | * If the symlink path is stored into inline_data, there is no | |
421 | * performance regression. | |
422 | */ | |
a6be014e | 423 | if (!err) { |
cbaf042a | 424 | filemap_write_and_wait_range(inode->i_mapping, 0, p_len - 1); |
d0cae97c | 425 | |
a6be014e CY |
426 | if (IS_DIRSYNC(dir)) |
427 | f2fs_sync_fs(sbi->sb, 1); | |
428 | } else { | |
429 | f2fs_unlink(dir, dentry); | |
430 | } | |
cbaf042a JK |
431 | |
432 | kfree(sd); | |
433 | f2fs_fname_crypto_free_buffer(&disk_link); | |
57397d86 JK |
434 | return err; |
435 | out: | |
44c16156 | 436 | handle_failed_inode(inode); |
57397d86 JK |
437 | return err; |
438 | } | |
439 | ||
440 | static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) | |
441 | { | |
4081363f | 442 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 | 443 | struct inode *inode; |
e479556b | 444 | int err; |
57397d86 JK |
445 | |
446 | inode = f2fs_new_inode(dir, S_IFDIR | mode); | |
57397d86 | 447 | if (IS_ERR(inode)) |
61412b64 | 448 | return PTR_ERR(inode); |
57397d86 JK |
449 | |
450 | inode->i_op = &f2fs_dir_inode_operations; | |
451 | inode->i_fop = &f2fs_dir_operations; | |
452 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
560d4672 | 453 | mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_HIGH_ZERO); |
57397d86 | 454 | |
00623e6b JK |
455 | f2fs_balance_fs(sbi); |
456 | ||
57397d86 | 457 | set_inode_flag(F2FS_I(inode), FI_INC_LINK); |
e479556b | 458 | f2fs_lock_op(sbi); |
57397d86 JK |
459 | err = f2fs_add_link(dentry, inode); |
460 | if (err) | |
461 | goto out_fail; | |
44c16156 | 462 | f2fs_unlock_op(sbi); |
57397d86 JK |
463 | |
464 | alloc_nid_done(sbi, inode->i_ino); | |
465 | ||
466 | d_instantiate(dentry, inode); | |
467 | unlock_new_inode(inode); | |
468 | ||
b7e1d800 JK |
469 | if (IS_DIRSYNC(dir)) |
470 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
471 | return 0; |
472 | ||
473 | out_fail: | |
474 | clear_inode_flag(F2FS_I(inode), FI_INC_LINK); | |
44c16156 | 475 | handle_failed_inode(inode); |
57397d86 JK |
476 | return err; |
477 | } | |
478 | ||
479 | static int f2fs_rmdir(struct inode *dir, struct dentry *dentry) | |
480 | { | |
2b0143b5 | 481 | struct inode *inode = d_inode(dentry); |
57397d86 JK |
482 | if (f2fs_empty_dir(inode)) |
483 | return f2fs_unlink(dir, dentry); | |
484 | return -ENOTEMPTY; | |
485 | } | |
486 | ||
487 | static int f2fs_mknod(struct inode *dir, struct dentry *dentry, | |
488 | umode_t mode, dev_t rdev) | |
489 | { | |
4081363f | 490 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 JK |
491 | struct inode *inode; |
492 | int err = 0; | |
493 | ||
57397d86 JK |
494 | inode = f2fs_new_inode(dir, mode); |
495 | if (IS_ERR(inode)) | |
496 | return PTR_ERR(inode); | |
497 | ||
498 | init_special_inode(inode, inode->i_mode, rdev); | |
499 | inode->i_op = &f2fs_special_inode_operations; | |
500 | ||
00623e6b JK |
501 | f2fs_balance_fs(sbi); |
502 | ||
e479556b | 503 | f2fs_lock_op(sbi); |
57397d86 JK |
504 | err = f2fs_add_link(dentry, inode); |
505 | if (err) | |
506 | goto out; | |
44c16156 | 507 | f2fs_unlock_op(sbi); |
57397d86 JK |
508 | |
509 | alloc_nid_done(sbi, inode->i_ino); | |
b7e1d800 | 510 | |
57397d86 JK |
511 | d_instantiate(dentry, inode); |
512 | unlock_new_inode(inode); | |
b7e1d800 JK |
513 | |
514 | if (IS_DIRSYNC(dir)) | |
515 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
516 | return 0; |
517 | out: | |
44c16156 | 518 | handle_failed_inode(inode); |
57397d86 JK |
519 | return err; |
520 | } | |
521 | ||
7e01e7ad CY |
522 | static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry, |
523 | umode_t mode, struct inode **whiteout) | |
524 | { | |
525 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); | |
526 | struct inode *inode; | |
527 | int err; | |
528 | ||
7e01e7ad CY |
529 | inode = f2fs_new_inode(dir, mode); |
530 | if (IS_ERR(inode)) | |
531 | return PTR_ERR(inode); | |
532 | ||
533 | if (whiteout) { | |
534 | init_special_inode(inode, inode->i_mode, WHITEOUT_DEV); | |
535 | inode->i_op = &f2fs_special_inode_operations; | |
536 | } else { | |
537 | inode->i_op = &f2fs_file_inode_operations; | |
538 | inode->i_fop = &f2fs_file_operations; | |
539 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
540 | } | |
541 | ||
00623e6b JK |
542 | f2fs_balance_fs(sbi); |
543 | ||
7e01e7ad CY |
544 | f2fs_lock_op(sbi); |
545 | err = acquire_orphan_inode(sbi); | |
546 | if (err) | |
547 | goto out; | |
548 | ||
549 | err = f2fs_do_tmpfile(inode, dir); | |
550 | if (err) | |
551 | goto release_out; | |
552 | ||
553 | /* | |
554 | * add this non-linked tmpfile to orphan list, in this way we could | |
555 | * remove all unused data of tmpfile after abnormal power-off. | |
556 | */ | |
557 | add_orphan_inode(sbi, inode->i_ino); | |
558 | f2fs_unlock_op(sbi); | |
559 | ||
560 | alloc_nid_done(sbi, inode->i_ino); | |
561 | ||
562 | if (whiteout) { | |
563 | inode_dec_link_count(inode); | |
564 | *whiteout = inode; | |
565 | } else { | |
566 | d_tmpfile(dentry, inode); | |
567 | } | |
568 | unlock_new_inode(inode); | |
569 | return 0; | |
570 | ||
571 | release_out: | |
572 | release_orphan_inode(sbi); | |
573 | out: | |
574 | handle_failed_inode(inode); | |
575 | return err; | |
576 | } | |
577 | ||
578 | static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) | |
579 | { | |
304eecc3 JK |
580 | if (f2fs_encrypted_inode(dir)) { |
581 | int err = f2fs_get_encryption_info(dir); | |
582 | if (err) | |
583 | return err; | |
584 | } | |
585 | ||
7e01e7ad CY |
586 | return __f2fs_tmpfile(dir, dentry, mode, NULL); |
587 | } | |
588 | ||
589 | static int f2fs_create_whiteout(struct inode *dir, struct inode **whiteout) | |
590 | { | |
591 | return __f2fs_tmpfile(dir, NULL, S_IFCHR | WHITEOUT_MODE, whiteout); | |
592 | } | |
593 | ||
57397d86 | 594 | static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, |
7e01e7ad CY |
595 | struct inode *new_dir, struct dentry *new_dentry, |
596 | unsigned int flags) | |
57397d86 | 597 | { |
4081363f | 598 | struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir); |
2b0143b5 DH |
599 | struct inode *old_inode = d_inode(old_dentry); |
600 | struct inode *new_inode = d_inode(new_dentry); | |
7e01e7ad | 601 | struct inode *whiteout = NULL; |
57397d86 | 602 | struct page *old_dir_page; |
7e01e7ad | 603 | struct page *old_page, *new_page = NULL; |
57397d86 JK |
604 | struct f2fs_dir_entry *old_dir_entry = NULL; |
605 | struct f2fs_dir_entry *old_entry; | |
606 | struct f2fs_dir_entry *new_entry; | |
e479556b | 607 | int err = -ENOENT; |
57397d86 | 608 | |
fcc85a4d JK |
609 | if ((old_dir != new_dir) && f2fs_encrypted_inode(new_dir) && |
610 | !f2fs_is_child_context_consistent_with_parent(new_dir, | |
611 | old_inode)) { | |
612 | err = -EPERM; | |
613 | goto out; | |
614 | } | |
615 | ||
57397d86 JK |
616 | old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page); |
617 | if (!old_entry) | |
618 | goto out; | |
619 | ||
620 | if (S_ISDIR(old_inode->i_mode)) { | |
621 | err = -EIO; | |
622 | old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page); | |
623 | if (!old_dir_entry) | |
624 | goto out_old; | |
625 | } | |
626 | ||
7e01e7ad CY |
627 | if (flags & RENAME_WHITEOUT) { |
628 | err = f2fs_create_whiteout(old_dir, &whiteout); | |
629 | if (err) | |
630 | goto out_dir; | |
631 | } | |
632 | ||
57397d86 | 633 | if (new_inode) { |
57397d86 JK |
634 | |
635 | err = -ENOTEMPTY; | |
636 | if (old_dir_entry && !f2fs_empty_dir(new_inode)) | |
7e01e7ad | 637 | goto out_whiteout; |
57397d86 JK |
638 | |
639 | err = -ENOENT; | |
640 | new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, | |
641 | &new_page); | |
642 | if (!new_entry) | |
7e01e7ad | 643 | goto out_whiteout; |
57397d86 | 644 | |
00623e6b JK |
645 | f2fs_balance_fs(sbi); |
646 | ||
1256010a CY |
647 | f2fs_lock_op(sbi); |
648 | ||
cbd56e7d JK |
649 | err = acquire_orphan_inode(sbi); |
650 | if (err) | |
651 | goto put_out_dir; | |
652 | ||
e7d55452 JK |
653 | if (update_dent_inode(old_inode, new_inode, |
654 | &new_dentry->d_name)) { | |
cbd56e7d JK |
655 | release_orphan_inode(sbi); |
656 | goto put_out_dir; | |
1cd14caf JK |
657 | } |
658 | ||
57397d86 JK |
659 | f2fs_set_link(new_dir, new_entry, new_page, old_inode); |
660 | ||
661 | new_inode->i_ctime = CURRENT_TIME; | |
d928bfbf | 662 | down_write(&F2FS_I(new_inode)->i_sem); |
57397d86 JK |
663 | if (old_dir_entry) |
664 | drop_nlink(new_inode); | |
665 | drop_nlink(new_inode); | |
d928bfbf JK |
666 | up_write(&F2FS_I(new_inode)->i_sem); |
667 | ||
a18ff063 | 668 | mark_inode_dirty(new_inode); |
cbd56e7d | 669 | |
57397d86 JK |
670 | if (!new_inode->i_nlink) |
671 | add_orphan_inode(sbi, new_inode->i_ino); | |
cbd56e7d JK |
672 | else |
673 | release_orphan_inode(sbi); | |
674 | ||
8cb82688 | 675 | update_inode_page(old_inode); |
39936837 | 676 | update_inode_page(new_inode); |
57397d86 | 677 | } else { |
00623e6b JK |
678 | f2fs_balance_fs(sbi); |
679 | ||
1256010a CY |
680 | f2fs_lock_op(sbi); |
681 | ||
57397d86 | 682 | err = f2fs_add_link(new_dentry, old_inode); |
1256010a CY |
683 | if (err) { |
684 | f2fs_unlock_op(sbi); | |
7e01e7ad | 685 | goto out_whiteout; |
1256010a | 686 | } |
57397d86 JK |
687 | |
688 | if (old_dir_entry) { | |
689 | inc_nlink(new_dir); | |
39936837 | 690 | update_inode_page(new_dir); |
57397d86 JK |
691 | } |
692 | } | |
693 | ||
b2c08299 JK |
694 | down_write(&F2FS_I(old_inode)->i_sem); |
695 | file_lost_pino(old_inode); | |
e7d55452 JK |
696 | if (new_inode && file_enc_name(new_inode)) |
697 | file_set_enc_name(old_inode); | |
b2c08299 JK |
698 | up_write(&F2FS_I(old_inode)->i_sem); |
699 | ||
57397d86 | 700 | old_inode->i_ctime = CURRENT_TIME; |
57397d86 JK |
701 | mark_inode_dirty(old_inode); |
702 | ||
dbeacf02 | 703 | f2fs_delete_entry(old_entry, old_page, old_dir, NULL); |
57397d86 | 704 | |
7e01e7ad CY |
705 | if (whiteout) { |
706 | whiteout->i_state |= I_LINKABLE; | |
707 | set_inode_flag(F2FS_I(whiteout), FI_INC_LINK); | |
708 | err = f2fs_add_link(old_dentry, whiteout); | |
709 | if (err) | |
710 | goto put_out_dir; | |
711 | whiteout->i_state &= ~I_LINKABLE; | |
712 | iput(whiteout); | |
713 | } | |
714 | ||
57397d86 | 715 | if (old_dir_entry) { |
7e01e7ad | 716 | if (old_dir != new_dir && !whiteout) { |
57397d86 JK |
717 | f2fs_set_link(old_inode, old_dir_entry, |
718 | old_dir_page, new_dir); | |
a18ff063 | 719 | update_inode_page(old_inode); |
57397d86 | 720 | } else { |
9486ba44 | 721 | f2fs_dentry_kunmap(old_inode, old_dir_page); |
57397d86 JK |
722 | f2fs_put_page(old_dir_page, 0); |
723 | } | |
724 | drop_nlink(old_dir); | |
a18ff063 | 725 | mark_inode_dirty(old_dir); |
39936837 | 726 | update_inode_page(old_dir); |
57397d86 JK |
727 | } |
728 | ||
e479556b | 729 | f2fs_unlock_op(sbi); |
b7e1d800 JK |
730 | |
731 | if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) | |
732 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
733 | return 0; |
734 | ||
cbd56e7d | 735 | put_out_dir: |
1256010a | 736 | f2fs_unlock_op(sbi); |
7e01e7ad CY |
737 | if (new_page) { |
738 | f2fs_dentry_kunmap(new_dir, new_page); | |
739 | f2fs_put_page(new_page, 0); | |
740 | } | |
741 | out_whiteout: | |
742 | if (whiteout) | |
743 | iput(whiteout); | |
57397d86 JK |
744 | out_dir: |
745 | if (old_dir_entry) { | |
9486ba44 | 746 | f2fs_dentry_kunmap(old_inode, old_dir_page); |
57397d86 JK |
747 | f2fs_put_page(old_dir_page, 0); |
748 | } | |
57397d86 | 749 | out_old: |
9486ba44 | 750 | f2fs_dentry_kunmap(old_dir, old_page); |
57397d86 JK |
751 | f2fs_put_page(old_page, 0); |
752 | out: | |
753 | return err; | |
754 | } | |
755 | ||
32f9bc25 CY |
756 | static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry, |
757 | struct inode *new_dir, struct dentry *new_dentry) | |
758 | { | |
4081363f | 759 | struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir); |
2b0143b5 DH |
760 | struct inode *old_inode = d_inode(old_dentry); |
761 | struct inode *new_inode = d_inode(new_dentry); | |
32f9bc25 CY |
762 | struct page *old_dir_page, *new_dir_page; |
763 | struct page *old_page, *new_page; | |
764 | struct f2fs_dir_entry *old_dir_entry = NULL, *new_dir_entry = NULL; | |
765 | struct f2fs_dir_entry *old_entry, *new_entry; | |
766 | int old_nlink = 0, new_nlink = 0; | |
767 | int err = -ENOENT; | |
768 | ||
d3baf7c4 CY |
769 | if ((f2fs_encrypted_inode(old_dir) || f2fs_encrypted_inode(new_dir)) && |
770 | (old_dir != new_dir) && | |
771 | (!f2fs_is_child_context_consistent_with_parent(new_dir, | |
772 | old_inode) || | |
773 | !f2fs_is_child_context_consistent_with_parent(old_dir, | |
774 | new_inode))) | |
775 | return -EPERM; | |
776 | ||
32f9bc25 CY |
777 | old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page); |
778 | if (!old_entry) | |
779 | goto out; | |
780 | ||
781 | new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page); | |
782 | if (!new_entry) | |
783 | goto out_old; | |
784 | ||
785 | /* prepare for updating ".." directory entry info later */ | |
786 | if (old_dir != new_dir) { | |
787 | if (S_ISDIR(old_inode->i_mode)) { | |
788 | err = -EIO; | |
789 | old_dir_entry = f2fs_parent_dir(old_inode, | |
790 | &old_dir_page); | |
791 | if (!old_dir_entry) | |
792 | goto out_new; | |
793 | } | |
794 | ||
795 | if (S_ISDIR(new_inode->i_mode)) { | |
796 | err = -EIO; | |
797 | new_dir_entry = f2fs_parent_dir(new_inode, | |
798 | &new_dir_page); | |
799 | if (!new_dir_entry) | |
800 | goto out_old_dir; | |
801 | } | |
802 | } | |
803 | ||
804 | /* | |
805 | * If cross rename between file and directory those are not | |
806 | * in the same directory, we will inc nlink of file's parent | |
807 | * later, so we should check upper boundary of its nlink. | |
808 | */ | |
809 | if ((!old_dir_entry || !new_dir_entry) && | |
810 | old_dir_entry != new_dir_entry) { | |
811 | old_nlink = old_dir_entry ? -1 : 1; | |
812 | new_nlink = -old_nlink; | |
813 | err = -EMLINK; | |
814 | if ((old_nlink > 0 && old_inode->i_nlink >= F2FS_LINK_MAX) || | |
815 | (new_nlink > 0 && new_inode->i_nlink >= F2FS_LINK_MAX)) | |
816 | goto out_new_dir; | |
817 | } | |
818 | ||
00623e6b JK |
819 | f2fs_balance_fs(sbi); |
820 | ||
32f9bc25 CY |
821 | f2fs_lock_op(sbi); |
822 | ||
e7d55452 | 823 | err = update_dent_inode(old_inode, new_inode, &new_dentry->d_name); |
32f9bc25 CY |
824 | if (err) |
825 | goto out_unlock; | |
e7d55452 JK |
826 | if (file_enc_name(new_inode)) |
827 | file_set_enc_name(old_inode); | |
32f9bc25 | 828 | |
e7d55452 | 829 | err = update_dent_inode(new_inode, old_inode, &old_dentry->d_name); |
32f9bc25 CY |
830 | if (err) |
831 | goto out_undo; | |
e7d55452 JK |
832 | if (file_enc_name(old_inode)) |
833 | file_set_enc_name(new_inode); | |
32f9bc25 CY |
834 | |
835 | /* update ".." directory entry info of old dentry */ | |
836 | if (old_dir_entry) | |
837 | f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir); | |
838 | ||
839 | /* update ".." directory entry info of new dentry */ | |
840 | if (new_dir_entry) | |
841 | f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir); | |
842 | ||
843 | /* update directory entry info of old dir inode */ | |
844 | f2fs_set_link(old_dir, old_entry, old_page, new_inode); | |
845 | ||
846 | down_write(&F2FS_I(old_inode)->i_sem); | |
847 | file_lost_pino(old_inode); | |
848 | up_write(&F2FS_I(old_inode)->i_sem); | |
849 | ||
850 | update_inode_page(old_inode); | |
851 | ||
852 | old_dir->i_ctime = CURRENT_TIME; | |
853 | if (old_nlink) { | |
854 | down_write(&F2FS_I(old_dir)->i_sem); | |
855 | if (old_nlink < 0) | |
856 | drop_nlink(old_dir); | |
857 | else | |
858 | inc_nlink(old_dir); | |
859 | up_write(&F2FS_I(old_dir)->i_sem); | |
860 | } | |
861 | mark_inode_dirty(old_dir); | |
862 | update_inode_page(old_dir); | |
863 | ||
864 | /* update directory entry info of new dir inode */ | |
865 | f2fs_set_link(new_dir, new_entry, new_page, old_inode); | |
866 | ||
867 | down_write(&F2FS_I(new_inode)->i_sem); | |
868 | file_lost_pino(new_inode); | |
869 | up_write(&F2FS_I(new_inode)->i_sem); | |
870 | ||
871 | update_inode_page(new_inode); | |
872 | ||
873 | new_dir->i_ctime = CURRENT_TIME; | |
874 | if (new_nlink) { | |
875 | down_write(&F2FS_I(new_dir)->i_sem); | |
876 | if (new_nlink < 0) | |
877 | drop_nlink(new_dir); | |
878 | else | |
879 | inc_nlink(new_dir); | |
880 | up_write(&F2FS_I(new_dir)->i_sem); | |
881 | } | |
882 | mark_inode_dirty(new_dir); | |
883 | update_inode_page(new_dir); | |
884 | ||
885 | f2fs_unlock_op(sbi); | |
b7e1d800 JK |
886 | |
887 | if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) | |
888 | f2fs_sync_fs(sbi->sb, 1); | |
32f9bc25 CY |
889 | return 0; |
890 | out_undo: | |
e7d55452 JK |
891 | /* |
892 | * Still we may fail to recover name info of f2fs_inode here | |
893 | * Drop it, once its name is set as encrypted | |
894 | */ | |
895 | update_dent_inode(old_inode, old_inode, &old_dentry->d_name); | |
32f9bc25 CY |
896 | out_unlock: |
897 | f2fs_unlock_op(sbi); | |
898 | out_new_dir: | |
899 | if (new_dir_entry) { | |
9486ba44 | 900 | f2fs_dentry_kunmap(new_inode, new_dir_page); |
32f9bc25 CY |
901 | f2fs_put_page(new_dir_page, 0); |
902 | } | |
903 | out_old_dir: | |
904 | if (old_dir_entry) { | |
9486ba44 | 905 | f2fs_dentry_kunmap(old_inode, old_dir_page); |
32f9bc25 CY |
906 | f2fs_put_page(old_dir_page, 0); |
907 | } | |
908 | out_new: | |
9486ba44 | 909 | f2fs_dentry_kunmap(new_dir, new_page); |
32f9bc25 CY |
910 | f2fs_put_page(new_page, 0); |
911 | out_old: | |
9486ba44 | 912 | f2fs_dentry_kunmap(old_dir, old_page); |
32f9bc25 CY |
913 | f2fs_put_page(old_page, 0); |
914 | out: | |
915 | return err; | |
916 | } | |
917 | ||
918 | static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry, | |
919 | struct inode *new_dir, struct dentry *new_dentry, | |
920 | unsigned int flags) | |
921 | { | |
7e01e7ad | 922 | if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT)) |
32f9bc25 CY |
923 | return -EINVAL; |
924 | ||
925 | if (flags & RENAME_EXCHANGE) { | |
926 | return f2fs_cross_rename(old_dir, old_dentry, | |
927 | new_dir, new_dentry); | |
928 | } | |
929 | /* | |
930 | * VFS has already handled the new dentry existence case, | |
931 | * here, we just deal with "RENAME_NOREPLACE" as regular rename. | |
932 | */ | |
7e01e7ad | 933 | return f2fs_rename(old_dir, old_dentry, new_dir, new_dentry, flags); |
32f9bc25 CY |
934 | } |
935 | ||
cbaf042a | 936 | #ifdef CONFIG_F2FS_FS_ENCRYPTION |
cfcc0ad4 | 937 | static const char *f2fs_encrypted_follow_link(struct dentry *dentry, void **cookie) |
50732df0 | 938 | { |
cbaf042a JK |
939 | struct page *cpage = NULL; |
940 | char *caddr, *paddr = NULL; | |
8dc0d6a1 | 941 | struct f2fs_str cstr = FSTR_INIT(NULL, 0); |
cbaf042a JK |
942 | struct f2fs_str pstr = FSTR_INIT(NULL, 0); |
943 | struct inode *inode = d_inode(dentry); | |
944 | struct f2fs_encrypted_symlink_data *sd; | |
945 | loff_t size = min_t(loff_t, i_size_read(inode), PAGE_SIZE - 1); | |
946 | u32 max_size = inode->i_sb->s_blocksize; | |
947 | int res; | |
948 | ||
26bf3dc7 | 949 | res = f2fs_get_encryption_info(inode); |
cbaf042a JK |
950 | if (res) |
951 | return ERR_PTR(res); | |
952 | ||
953 | cpage = read_mapping_page(inode->i_mapping, 0, NULL); | |
954 | if (IS_ERR(cpage)) | |
cfcc0ad4 | 955 | return ERR_CAST(cpage); |
cbaf042a JK |
956 | caddr = kmap(cpage); |
957 | caddr[size] = 0; | |
958 | ||
959 | /* Symlink is encrypted */ | |
960 | sd = (struct f2fs_encrypted_symlink_data *)caddr; | |
cbaf042a | 961 | cstr.len = le16_to_cpu(sd->len); |
8dc0d6a1 JK |
962 | |
963 | /* this is broken symlink case */ | |
964 | if (unlikely(cstr.len == 0)) { | |
965 | res = -ENOENT; | |
966 | goto errout; | |
967 | } | |
569cf187 JK |
968 | cstr.name = kmalloc(cstr.len, GFP_NOFS); |
969 | if (!cstr.name) { | |
970 | res = -ENOMEM; | |
971 | goto errout; | |
972 | } | |
973 | memcpy(cstr.name, sd->encrypted_path, cstr.len); | |
cbaf042a JK |
974 | |
975 | /* this is broken symlink case */ | |
8dc0d6a1 | 976 | if (unlikely(cstr.name[0] == 0)) { |
cbaf042a JK |
977 | res = -ENOENT; |
978 | goto errout; | |
979 | } | |
b97a9b5d | 980 | |
cbaf042a JK |
981 | if ((cstr.len + sizeof(struct f2fs_encrypted_symlink_data) - 1) > |
982 | max_size) { | |
983 | /* Symlink data on the disk is corrupted */ | |
984 | res = -EIO; | |
985 | goto errout; | |
986 | } | |
987 | res = f2fs_fname_crypto_alloc_buffer(inode, cstr.len, &pstr); | |
988 | if (res) | |
989 | goto errout; | |
990 | ||
991 | res = f2fs_fname_disk_to_usr(inode, NULL, &cstr, &pstr); | |
992 | if (res < 0) | |
993 | goto errout; | |
994 | ||
569cf187 JK |
995 | kfree(cstr.name); |
996 | ||
cbaf042a JK |
997 | paddr = pstr.name; |
998 | ||
999 | /* Null-terminate the name */ | |
1000 | paddr[res] = '\0'; | |
cbaf042a JK |
1001 | |
1002 | kunmap(cpage); | |
1003 | page_cache_release(cpage); | |
cfcc0ad4 | 1004 | return *cookie = paddr; |
cbaf042a | 1005 | errout: |
569cf187 | 1006 | kfree(cstr.name); |
cbaf042a JK |
1007 | f2fs_fname_crypto_free_buffer(&pstr); |
1008 | kunmap(cpage); | |
1009 | page_cache_release(cpage); | |
1010 | return ERR_PTR(res); | |
50732df0 CY |
1011 | } |
1012 | ||
cbaf042a JK |
1013 | const struct inode_operations f2fs_encrypted_symlink_inode_operations = { |
1014 | .readlink = generic_readlink, | |
1015 | .follow_link = f2fs_encrypted_follow_link, | |
1016 | .put_link = kfree_put_link, | |
1017 | .getattr = f2fs_getattr, | |
1018 | .setattr = f2fs_setattr, | |
3a9e6433 | 1019 | #ifdef CONFIG_F2FS_FS_XATTR |
cbaf042a JK |
1020 | .setxattr = generic_setxattr, |
1021 | .getxattr = generic_getxattr, | |
1022 | .listxattr = f2fs_listxattr, | |
1023 | .removexattr = generic_removexattr, | |
3a9e6433 | 1024 | #endif |
cbaf042a JK |
1025 | }; |
1026 | #endif | |
1027 | ||
57397d86 JK |
1028 | const struct inode_operations f2fs_dir_inode_operations = { |
1029 | .create = f2fs_create, | |
1030 | .lookup = f2fs_lookup, | |
1031 | .link = f2fs_link, | |
1032 | .unlink = f2fs_unlink, | |
1033 | .symlink = f2fs_symlink, | |
1034 | .mkdir = f2fs_mkdir, | |
1035 | .rmdir = f2fs_rmdir, | |
1036 | .mknod = f2fs_mknod, | |
32f9bc25 | 1037 | .rename2 = f2fs_rename2, |
50732df0 | 1038 | .tmpfile = f2fs_tmpfile, |
2d4d9fb5 | 1039 | .getattr = f2fs_getattr, |
57397d86 JK |
1040 | .setattr = f2fs_setattr, |
1041 | .get_acl = f2fs_get_acl, | |
a6dda0e6 | 1042 | .set_acl = f2fs_set_acl, |
57397d86 JK |
1043 | #ifdef CONFIG_F2FS_FS_XATTR |
1044 | .setxattr = generic_setxattr, | |
1045 | .getxattr = generic_getxattr, | |
1046 | .listxattr = f2fs_listxattr, | |
1047 | .removexattr = generic_removexattr, | |
1048 | #endif | |
1049 | }; | |
1050 | ||
1051 | const struct inode_operations f2fs_symlink_inode_operations = { | |
1052 | .readlink = generic_readlink, | |
feb7cbb0 | 1053 | .follow_link = f2fs_follow_link, |
57397d86 | 1054 | .put_link = page_put_link, |
2d4d9fb5 | 1055 | .getattr = f2fs_getattr, |
57397d86 JK |
1056 | .setattr = f2fs_setattr, |
1057 | #ifdef CONFIG_F2FS_FS_XATTR | |
1058 | .setxattr = generic_setxattr, | |
1059 | .getxattr = generic_getxattr, | |
1060 | .listxattr = f2fs_listxattr, | |
1061 | .removexattr = generic_removexattr, | |
1062 | #endif | |
1063 | }; | |
1064 | ||
1065 | const struct inode_operations f2fs_special_inode_operations = { | |
2d4d9fb5 | 1066 | .getattr = f2fs_getattr, |
57397d86 JK |
1067 | .setattr = f2fs_setattr, |
1068 | .get_acl = f2fs_get_acl, | |
a6dda0e6 | 1069 | .set_acl = f2fs_set_acl, |
57397d86 JK |
1070 | #ifdef CONFIG_F2FS_FS_XATTR |
1071 | .setxattr = generic_setxattr, | |
1072 | .getxattr = generic_getxattr, | |
1073 | .listxattr = f2fs_listxattr, | |
1074 | .removexattr = generic_removexattr, | |
1075 | #endif | |
1076 | }; |