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