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 | ||
2fb2c954 JK |
68 | stat_inc_inline_inode(inode); |
69 | stat_inc_inline_dir(inode); | |
70 | ||
d70b4f53 | 71 | trace_f2fs_new_inode(inode, 0); |
57397d86 JK |
72 | mark_inode_dirty(inode); |
73 | return inode; | |
74 | ||
75 | out: | |
76 | clear_nlink(inode); | |
77 | unlock_new_inode(inode); | |
78 | fail: | |
d70b4f53 | 79 | trace_f2fs_new_inode(inode, err); |
531ad7d5 | 80 | make_bad_inode(inode); |
57397d86 JK |
81 | iput(inode); |
82 | if (nid_free) | |
83 | alloc_nid_failed(sbi, ino); | |
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 JK |
91 | |
92 | if (sublen > slen) | |
e66509f0 | 93 | return 0; |
57397d86 | 94 | |
749ebfd1 | 95 | return !strncasecmp(s + slen - sublen, sub, sublen); |
57397d86 JK |
96 | } |
97 | ||
0a8165d7 | 98 | /* |
57397d86 JK |
99 | * Set multimedia files as cold files for hot/cold data separation |
100 | */ | |
953a3e27 | 101 | static inline void set_cold_files(struct f2fs_sb_info *sbi, struct inode *inode, |
57397d86 JK |
102 | const unsigned char *name) |
103 | { | |
104 | int i; | |
105 | __u8 (*extlist)[8] = sbi->raw_super->extension_list; | |
106 | ||
107 | int count = le32_to_cpu(sbi->raw_super->extension_count); | |
108 | for (i = 0; i < count; i++) { | |
e66509f0 | 109 | if (is_multimedia_file(name, extlist[i])) { |
354a3399 | 110 | file_set_cold(inode); |
57397d86 JK |
111 | break; |
112 | } | |
113 | } | |
114 | } | |
115 | ||
116 | static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode, | |
117 | bool excl) | |
118 | { | |
4081363f | 119 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 JK |
120 | struct inode *inode; |
121 | nid_t ino = 0; | |
e479556b | 122 | int err; |
57397d86 | 123 | |
1efef832 JK |
124 | f2fs_balance_fs(sbi); |
125 | ||
57397d86 JK |
126 | inode = f2fs_new_inode(dir, mode); |
127 | if (IS_ERR(inode)) | |
128 | return PTR_ERR(inode); | |
129 | ||
130 | if (!test_opt(sbi, DISABLE_EXT_IDENTIFY)) | |
953a3e27 | 131 | set_cold_files(sbi, inode, dentry->d_name.name); |
57397d86 JK |
132 | |
133 | inode->i_op = &f2fs_file_inode_operations; | |
134 | inode->i_fop = &f2fs_file_operations; | |
135 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
136 | ino = inode->i_ino; | |
137 | ||
e479556b | 138 | f2fs_lock_op(sbi); |
57397d86 JK |
139 | err = f2fs_add_link(dentry, inode); |
140 | if (err) | |
141 | goto out; | |
44c16156 | 142 | f2fs_unlock_op(sbi); |
57397d86 JK |
143 | |
144 | alloc_nid_done(sbi, ino); | |
145 | ||
0a364af1 | 146 | d_instantiate(dentry, inode); |
57397d86 | 147 | unlock_new_inode(inode); |
b7e1d800 JK |
148 | |
149 | if (IS_DIRSYNC(dir)) | |
150 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
151 | return 0; |
152 | out: | |
44c16156 | 153 | handle_failed_inode(inode); |
57397d86 JK |
154 | return err; |
155 | } | |
156 | ||
157 | static int f2fs_link(struct dentry *old_dentry, struct inode *dir, | |
158 | struct dentry *dentry) | |
159 | { | |
2b0143b5 | 160 | struct inode *inode = d_inode(old_dentry); |
4081363f | 161 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
e479556b | 162 | int err; |
57397d86 | 163 | |
fcc85a4d JK |
164 | if (f2fs_encrypted_inode(dir) && |
165 | !f2fs_is_child_context_consistent_with_parent(dir, inode)) | |
166 | return -EPERM; | |
167 | ||
1efef832 JK |
168 | f2fs_balance_fs(sbi); |
169 | ||
57397d86 | 170 | inode->i_ctime = CURRENT_TIME; |
6f6fd833 | 171 | ihold(inode); |
57397d86 JK |
172 | |
173 | set_inode_flag(F2FS_I(inode), FI_INC_LINK); | |
e479556b | 174 | f2fs_lock_op(sbi); |
57397d86 JK |
175 | err = f2fs_add_link(dentry, inode); |
176 | if (err) | |
177 | goto out; | |
44c16156 | 178 | f2fs_unlock_op(sbi); |
57397d86 JK |
179 | |
180 | d_instantiate(dentry, inode); | |
b7e1d800 JK |
181 | |
182 | if (IS_DIRSYNC(dir)) | |
183 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
184 | return 0; |
185 | out: | |
186 | clear_inode_flag(F2FS_I(inode), FI_INC_LINK); | |
187 | iput(inode); | |
44c16156 | 188 | f2fs_unlock_op(sbi); |
57397d86 JK |
189 | return err; |
190 | } | |
191 | ||
192 | struct dentry *f2fs_get_parent(struct dentry *child) | |
193 | { | |
194 | struct qstr dotdot = QSTR_INIT("..", 2); | |
2b0143b5 | 195 | unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot); |
57397d86 JK |
196 | if (!ino) |
197 | return ERR_PTR(-ENOENT); | |
2b0143b5 | 198 | return d_obtain_alias(f2fs_iget(d_inode(child)->i_sb, ino)); |
57397d86 JK |
199 | } |
200 | ||
510022a8 JK |
201 | static int __recover_dot_dentries(struct inode *dir, nid_t pino) |
202 | { | |
203 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); | |
204 | struct qstr dot = QSTR_INIT(".", 1); | |
205 | struct qstr dotdot = QSTR_INIT("..", 2); | |
206 | struct f2fs_dir_entry *de; | |
207 | struct page *page; | |
208 | int err = 0; | |
209 | ||
210 | f2fs_lock_op(sbi); | |
211 | ||
212 | de = f2fs_find_entry(dir, &dot, &page); | |
213 | if (de) { | |
214 | f2fs_dentry_kunmap(dir, page); | |
215 | f2fs_put_page(page, 0); | |
216 | } else { | |
217 | err = __f2fs_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR); | |
218 | if (err) | |
219 | goto out; | |
220 | } | |
221 | ||
222 | de = f2fs_find_entry(dir, &dotdot, &page); | |
223 | if (de) { | |
224 | f2fs_dentry_kunmap(dir, page); | |
225 | f2fs_put_page(page, 0); | |
226 | } else { | |
227 | err = __f2fs_add_link(dir, &dotdot, NULL, pino, S_IFDIR); | |
228 | } | |
229 | out: | |
230 | if (!err) { | |
231 | clear_inode_flag(F2FS_I(dir), FI_INLINE_DOTS); | |
232 | mark_inode_dirty(dir); | |
233 | } | |
234 | ||
235 | f2fs_unlock_op(sbi); | |
236 | return err; | |
237 | } | |
238 | ||
57397d86 JK |
239 | static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry, |
240 | unsigned int flags) | |
241 | { | |
242 | struct inode *inode = NULL; | |
243 | struct f2fs_dir_entry *de; | |
244 | struct page *page; | |
06957e8f | 245 | nid_t ino; |
fcc85a4d | 246 | int err = 0; |
57397d86 | 247 | |
5a20d339 | 248 | if (dentry->d_name.len > F2FS_NAME_LEN) |
57397d86 JK |
249 | return ERR_PTR(-ENAMETOOLONG); |
250 | ||
251 | de = f2fs_find_entry(dir, &dentry->d_name, &page); | |
06957e8f JK |
252 | if (!de) |
253 | return d_splice_alias(inode, dentry); | |
254 | ||
255 | ino = le32_to_cpu(de->ino); | |
256 | f2fs_dentry_kunmap(dir, page); | |
257 | f2fs_put_page(page, 0); | |
57397d86 | 258 | |
06957e8f JK |
259 | inode = f2fs_iget(dir->i_sb, ino); |
260 | if (IS_ERR(inode)) | |
261 | return ERR_CAST(inode); | |
510022a8 | 262 | |
fcc85a4d | 263 | if (f2fs_has_inline_dots(inode)) { |
06957e8f | 264 | err = __recover_dot_dentries(inode, dir->i_ino); |
fcc85a4d JK |
265 | if (err) |
266 | goto err_out; | |
57397d86 | 267 | } |
57397d86 | 268 | return d_splice_alias(inode, dentry); |
fcc85a4d JK |
269 | |
270 | err_out: | |
271 | iget_failed(inode); | |
272 | return ERR_PTR(err); | |
57397d86 JK |
273 | } |
274 | ||
275 | static int f2fs_unlink(struct inode *dir, struct dentry *dentry) | |
276 | { | |
4081363f | 277 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
2b0143b5 | 278 | struct inode *inode = d_inode(dentry); |
57397d86 JK |
279 | struct f2fs_dir_entry *de; |
280 | struct page *page; | |
281 | int err = -ENOENT; | |
282 | ||
a2a4a7e4 | 283 | trace_f2fs_unlink_enter(dir, dentry); |
1efef832 JK |
284 | f2fs_balance_fs(sbi); |
285 | ||
57397d86 JK |
286 | de = f2fs_find_entry(dir, &dentry->d_name, &page); |
287 | if (!de) | |
288 | goto fail; | |
289 | ||
ccaaca25 | 290 | f2fs_lock_op(sbi); |
cbd56e7d | 291 | err = acquire_orphan_inode(sbi); |
57397d86 | 292 | if (err) { |
ccaaca25 | 293 | f2fs_unlock_op(sbi); |
9486ba44 | 294 | f2fs_dentry_kunmap(dir, page); |
57397d86 JK |
295 | f2fs_put_page(page, 0); |
296 | goto fail; | |
297 | } | |
dbeacf02 | 298 | f2fs_delete_entry(de, page, dir, inode); |
e479556b | 299 | f2fs_unlock_op(sbi); |
57397d86 | 300 | |
e1c42045 | 301 | /* In order to evict this inode, we set it dirty */ |
57397d86 | 302 | mark_inode_dirty(inode); |
b7e1d800 JK |
303 | |
304 | if (IS_DIRSYNC(dir)) | |
305 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 | 306 | fail: |
a2a4a7e4 | 307 | trace_f2fs_unlink_exit(inode, err); |
57397d86 JK |
308 | return err; |
309 | } | |
310 | ||
feb7cbb0 JK |
311 | static void *f2fs_follow_link(struct dentry *dentry, struct nameidata *nd) |
312 | { | |
7263b1bd | 313 | struct page *page = page_follow_link_light(dentry, nd); |
feb7cbb0 | 314 | |
7263b1bd | 315 | if (IS_ERR_OR_NULL(page)) |
feb7cbb0 JK |
316 | return page; |
317 | ||
318 | /* this is broken symlink case */ | |
319 | if (*nd_get_link(nd) == 0) { | |
7263b1bd | 320 | page_put_link(dentry, nd, page); |
feb7cbb0 JK |
321 | return ERR_PTR(-ENOENT); |
322 | } | |
323 | return page; | |
324 | } | |
325 | ||
57397d86 JK |
326 | static int f2fs_symlink(struct inode *dir, struct dentry *dentry, |
327 | const char *symname) | |
328 | { | |
4081363f | 329 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 | 330 | struct inode *inode; |
cbaf042a JK |
331 | size_t len = strlen(symname); |
332 | size_t p_len; | |
333 | char *p_str; | |
334 | struct f2fs_str disk_link = FSTR_INIT(NULL, 0); | |
335 | struct f2fs_encrypted_symlink_data *sd = NULL; | |
e479556b | 336 | int err; |
57397d86 | 337 | |
cbaf042a JK |
338 | if (len > dir->i_sb->s_blocksize) |
339 | return -ENAMETOOLONG; | |
340 | ||
1efef832 JK |
341 | f2fs_balance_fs(sbi); |
342 | ||
57397d86 JK |
343 | inode = f2fs_new_inode(dir, S_IFLNK | S_IRWXUGO); |
344 | if (IS_ERR(inode)) | |
345 | return PTR_ERR(inode); | |
346 | ||
cbaf042a JK |
347 | if (f2fs_encrypted_inode(inode)) |
348 | inode->i_op = &f2fs_encrypted_symlink_inode_operations; | |
349 | else | |
350 | inode->i_op = &f2fs_symlink_inode_operations; | |
57397d86 JK |
351 | inode->i_mapping->a_ops = &f2fs_dblock_aops; |
352 | ||
e479556b | 353 | f2fs_lock_op(sbi); |
57397d86 JK |
354 | err = f2fs_add_link(dentry, inode); |
355 | if (err) | |
356 | goto out; | |
44c16156 | 357 | f2fs_unlock_op(sbi); |
57397d86 JK |
358 | alloc_nid_done(sbi, inode->i_ino); |
359 | ||
cbaf042a JK |
360 | if (f2fs_encrypted_inode(dir)) { |
361 | struct qstr istr = QSTR_INIT(symname, len); | |
362 | ||
363 | err = f2fs_inherit_context(dir, inode, NULL); | |
364 | if (err) | |
365 | goto err_out; | |
366 | ||
367 | err = f2fs_setup_fname_crypto(inode); | |
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 | */ | |
cbaf042a JK |
414 | if (!err) |
415 | filemap_write_and_wait_range(inode->i_mapping, 0, p_len - 1); | |
d0cae97c | 416 | |
b7e1d800 JK |
417 | if (IS_DIRSYNC(dir)) |
418 | f2fs_sync_fs(sbi->sb, 1); | |
cbaf042a JK |
419 | |
420 | kfree(sd); | |
421 | f2fs_fname_crypto_free_buffer(&disk_link); | |
57397d86 JK |
422 | return err; |
423 | out: | |
44c16156 | 424 | handle_failed_inode(inode); |
57397d86 JK |
425 | return err; |
426 | } | |
427 | ||
428 | static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) | |
429 | { | |
4081363f | 430 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 | 431 | struct inode *inode; |
e479556b | 432 | int err; |
57397d86 | 433 | |
1efef832 JK |
434 | f2fs_balance_fs(sbi); |
435 | ||
57397d86 | 436 | inode = f2fs_new_inode(dir, S_IFDIR | mode); |
57397d86 | 437 | if (IS_ERR(inode)) |
61412b64 | 438 | return PTR_ERR(inode); |
57397d86 JK |
439 | |
440 | inode->i_op = &f2fs_dir_inode_operations; | |
441 | inode->i_fop = &f2fs_dir_operations; | |
442 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
560d4672 | 443 | mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_HIGH_ZERO); |
57397d86 JK |
444 | |
445 | set_inode_flag(F2FS_I(inode), FI_INC_LINK); | |
e479556b | 446 | f2fs_lock_op(sbi); |
57397d86 JK |
447 | err = f2fs_add_link(dentry, inode); |
448 | if (err) | |
449 | goto out_fail; | |
44c16156 | 450 | f2fs_unlock_op(sbi); |
57397d86 JK |
451 | |
452 | alloc_nid_done(sbi, inode->i_ino); | |
453 | ||
454 | d_instantiate(dentry, inode); | |
455 | unlock_new_inode(inode); | |
456 | ||
b7e1d800 JK |
457 | if (IS_DIRSYNC(dir)) |
458 | f2fs_sync_fs(sbi->sb, 1); | |
57397d86 JK |
459 | return 0; |
460 | ||
461 | out_fail: | |
462 | clear_inode_flag(F2FS_I(inode), FI_INC_LINK); | |
44c16156 | 463 | handle_failed_inode(inode); |
57397d86 JK |
464 | return err; |
465 | } | |
466 | ||
467 | static int f2fs_rmdir(struct inode *dir, struct dentry *dentry) | |
468 | { | |
2b0143b5 | 469 | struct inode *inode = d_inode(dentry); |
57397d86 JK |
470 | if (f2fs_empty_dir(inode)) |
471 | return f2fs_unlink(dir, dentry); | |
472 | return -ENOTEMPTY; | |
473 | } | |
474 | ||
475 | static int f2fs_mknod(struct inode *dir, struct dentry *dentry, | |
476 | umode_t mode, dev_t rdev) | |
477 | { | |
4081363f | 478 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
57397d86 JK |
479 | struct inode *inode; |
480 | int err = 0; | |
481 | ||
482 | if (!new_valid_dev(rdev)) | |
483 | return -EINVAL; | |
484 | ||
1efef832 JK |
485 | f2fs_balance_fs(sbi); |
486 | ||
57397d86 JK |
487 | inode = f2fs_new_inode(dir, mode); |
488 | if (IS_ERR(inode)) | |
489 | return PTR_ERR(inode); | |
490 | ||
491 | init_special_inode(inode, inode->i_mode, rdev); | |
492 | inode->i_op = &f2fs_special_inode_operations; | |
493 | ||
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 | ||
520 | if (!whiteout) | |
521 | f2fs_balance_fs(sbi); | |
522 | ||
523 | inode = f2fs_new_inode(dir, mode); | |
524 | if (IS_ERR(inode)) | |
525 | return PTR_ERR(inode); | |
526 | ||
527 | if (whiteout) { | |
528 | init_special_inode(inode, inode->i_mode, WHITEOUT_DEV); | |
529 | inode->i_op = &f2fs_special_inode_operations; | |
530 | } else { | |
531 | inode->i_op = &f2fs_file_inode_operations; | |
532 | inode->i_fop = &f2fs_file_operations; | |
533 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
534 | } | |
535 | ||
536 | f2fs_lock_op(sbi); | |
537 | err = acquire_orphan_inode(sbi); | |
538 | if (err) | |
539 | goto out; | |
540 | ||
541 | err = f2fs_do_tmpfile(inode, dir); | |
542 | if (err) | |
543 | goto release_out; | |
544 | ||
545 | /* | |
546 | * add this non-linked tmpfile to orphan list, in this way we could | |
547 | * remove all unused data of tmpfile after abnormal power-off. | |
548 | */ | |
549 | add_orphan_inode(sbi, inode->i_ino); | |
550 | f2fs_unlock_op(sbi); | |
551 | ||
552 | alloc_nid_done(sbi, inode->i_ino); | |
553 | ||
554 | if (whiteout) { | |
555 | inode_dec_link_count(inode); | |
556 | *whiteout = inode; | |
557 | } else { | |
558 | d_tmpfile(dentry, inode); | |
559 | } | |
560 | unlock_new_inode(inode); | |
561 | return 0; | |
562 | ||
563 | release_out: | |
564 | release_orphan_inode(sbi); | |
565 | out: | |
566 | handle_failed_inode(inode); | |
567 | return err; | |
568 | } | |
569 | ||
570 | static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode) | |
571 | { | |
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 | ||
753 | f2fs_balance_fs(sbi); | |
754 | ||
755 | old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page); | |
756 | if (!old_entry) | |
757 | goto out; | |
758 | ||
759 | new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page); | |
760 | if (!new_entry) | |
761 | goto out_old; | |
762 | ||
763 | /* prepare for updating ".." directory entry info later */ | |
764 | if (old_dir != new_dir) { | |
765 | if (S_ISDIR(old_inode->i_mode)) { | |
766 | err = -EIO; | |
767 | old_dir_entry = f2fs_parent_dir(old_inode, | |
768 | &old_dir_page); | |
769 | if (!old_dir_entry) | |
770 | goto out_new; | |
771 | } | |
772 | ||
773 | if (S_ISDIR(new_inode->i_mode)) { | |
774 | err = -EIO; | |
775 | new_dir_entry = f2fs_parent_dir(new_inode, | |
776 | &new_dir_page); | |
777 | if (!new_dir_entry) | |
778 | goto out_old_dir; | |
779 | } | |
780 | } | |
781 | ||
782 | /* | |
783 | * If cross rename between file and directory those are not | |
784 | * in the same directory, we will inc nlink of file's parent | |
785 | * later, so we should check upper boundary of its nlink. | |
786 | */ | |
787 | if ((!old_dir_entry || !new_dir_entry) && | |
788 | old_dir_entry != new_dir_entry) { | |
789 | old_nlink = old_dir_entry ? -1 : 1; | |
790 | new_nlink = -old_nlink; | |
791 | err = -EMLINK; | |
792 | if ((old_nlink > 0 && old_inode->i_nlink >= F2FS_LINK_MAX) || | |
793 | (new_nlink > 0 && new_inode->i_nlink >= F2FS_LINK_MAX)) | |
794 | goto out_new_dir; | |
795 | } | |
796 | ||
797 | f2fs_lock_op(sbi); | |
798 | ||
e7d55452 | 799 | err = update_dent_inode(old_inode, new_inode, &new_dentry->d_name); |
32f9bc25 CY |
800 | if (err) |
801 | goto out_unlock; | |
e7d55452 JK |
802 | if (file_enc_name(new_inode)) |
803 | file_set_enc_name(old_inode); | |
32f9bc25 | 804 | |
e7d55452 | 805 | err = update_dent_inode(new_inode, old_inode, &old_dentry->d_name); |
32f9bc25 CY |
806 | if (err) |
807 | goto out_undo; | |
e7d55452 JK |
808 | if (file_enc_name(old_inode)) |
809 | file_set_enc_name(new_inode); | |
32f9bc25 CY |
810 | |
811 | /* update ".." directory entry info of old dentry */ | |
812 | if (old_dir_entry) | |
813 | f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir); | |
814 | ||
815 | /* update ".." directory entry info of new dentry */ | |
816 | if (new_dir_entry) | |
817 | f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir); | |
818 | ||
819 | /* update directory entry info of old dir inode */ | |
820 | f2fs_set_link(old_dir, old_entry, old_page, new_inode); | |
821 | ||
822 | down_write(&F2FS_I(old_inode)->i_sem); | |
823 | file_lost_pino(old_inode); | |
824 | up_write(&F2FS_I(old_inode)->i_sem); | |
825 | ||
826 | update_inode_page(old_inode); | |
827 | ||
828 | old_dir->i_ctime = CURRENT_TIME; | |
829 | if (old_nlink) { | |
830 | down_write(&F2FS_I(old_dir)->i_sem); | |
831 | if (old_nlink < 0) | |
832 | drop_nlink(old_dir); | |
833 | else | |
834 | inc_nlink(old_dir); | |
835 | up_write(&F2FS_I(old_dir)->i_sem); | |
836 | } | |
837 | mark_inode_dirty(old_dir); | |
838 | update_inode_page(old_dir); | |
839 | ||
840 | /* update directory entry info of new dir inode */ | |
841 | f2fs_set_link(new_dir, new_entry, new_page, old_inode); | |
842 | ||
843 | down_write(&F2FS_I(new_inode)->i_sem); | |
844 | file_lost_pino(new_inode); | |
845 | up_write(&F2FS_I(new_inode)->i_sem); | |
846 | ||
847 | update_inode_page(new_inode); | |
848 | ||
849 | new_dir->i_ctime = CURRENT_TIME; | |
850 | if (new_nlink) { | |
851 | down_write(&F2FS_I(new_dir)->i_sem); | |
852 | if (new_nlink < 0) | |
853 | drop_nlink(new_dir); | |
854 | else | |
855 | inc_nlink(new_dir); | |
856 | up_write(&F2FS_I(new_dir)->i_sem); | |
857 | } | |
858 | mark_inode_dirty(new_dir); | |
859 | update_inode_page(new_dir); | |
860 | ||
861 | f2fs_unlock_op(sbi); | |
b7e1d800 JK |
862 | |
863 | if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir)) | |
864 | f2fs_sync_fs(sbi->sb, 1); | |
32f9bc25 CY |
865 | return 0; |
866 | out_undo: | |
e7d55452 JK |
867 | /* |
868 | * Still we may fail to recover name info of f2fs_inode here | |
869 | * Drop it, once its name is set as encrypted | |
870 | */ | |
871 | update_dent_inode(old_inode, old_inode, &old_dentry->d_name); | |
32f9bc25 CY |
872 | out_unlock: |
873 | f2fs_unlock_op(sbi); | |
874 | out_new_dir: | |
875 | if (new_dir_entry) { | |
9486ba44 | 876 | f2fs_dentry_kunmap(new_inode, new_dir_page); |
32f9bc25 CY |
877 | f2fs_put_page(new_dir_page, 0); |
878 | } | |
879 | out_old_dir: | |
880 | if (old_dir_entry) { | |
9486ba44 | 881 | f2fs_dentry_kunmap(old_inode, old_dir_page); |
32f9bc25 CY |
882 | f2fs_put_page(old_dir_page, 0); |
883 | } | |
884 | out_new: | |
9486ba44 | 885 | f2fs_dentry_kunmap(new_dir, new_page); |
32f9bc25 CY |
886 | f2fs_put_page(new_page, 0); |
887 | out_old: | |
9486ba44 | 888 | f2fs_dentry_kunmap(old_dir, old_page); |
32f9bc25 CY |
889 | f2fs_put_page(old_page, 0); |
890 | out: | |
891 | return err; | |
892 | } | |
893 | ||
894 | static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry, | |
895 | struct inode *new_dir, struct dentry *new_dentry, | |
896 | unsigned int flags) | |
897 | { | |
7e01e7ad | 898 | if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT)) |
32f9bc25 CY |
899 | return -EINVAL; |
900 | ||
901 | if (flags & RENAME_EXCHANGE) { | |
902 | return f2fs_cross_rename(old_dir, old_dentry, | |
903 | new_dir, new_dentry); | |
904 | } | |
905 | /* | |
906 | * VFS has already handled the new dentry existence case, | |
907 | * here, we just deal with "RENAME_NOREPLACE" as regular rename. | |
908 | */ | |
7e01e7ad | 909 | return f2fs_rename(old_dir, old_dentry, new_dir, new_dentry, flags); |
50732df0 CY |
910 | } |
911 | ||
cbaf042a JK |
912 | #ifdef CONFIG_F2FS_FS_ENCRYPTION |
913 | static void *f2fs_encrypted_follow_link(struct dentry *dentry, | |
914 | struct nameidata *nd) | |
915 | { | |
916 | struct page *cpage = NULL; | |
917 | char *caddr, *paddr = NULL; | |
918 | struct f2fs_str cstr; | |
919 | struct f2fs_str pstr = FSTR_INIT(NULL, 0); | |
920 | struct inode *inode = d_inode(dentry); | |
921 | struct f2fs_encrypted_symlink_data *sd; | |
922 | loff_t size = min_t(loff_t, i_size_read(inode), PAGE_SIZE - 1); | |
923 | u32 max_size = inode->i_sb->s_blocksize; | |
924 | int res; | |
925 | ||
926 | res = f2fs_setup_fname_crypto(inode); | |
927 | if (res) | |
928 | return ERR_PTR(res); | |
929 | ||
930 | cpage = read_mapping_page(inode->i_mapping, 0, NULL); | |
931 | if (IS_ERR(cpage)) | |
932 | return cpage; | |
933 | caddr = kmap(cpage); | |
934 | caddr[size] = 0; | |
935 | ||
936 | /* Symlink is encrypted */ | |
937 | sd = (struct f2fs_encrypted_symlink_data *)caddr; | |
938 | cstr.name = sd->encrypted_path; | |
939 | cstr.len = le16_to_cpu(sd->len); | |
940 | ||
941 | /* this is broken symlink case */ | |
942 | if (cstr.name[0] == 0 && cstr.len == 0) { | |
943 | res = -ENOENT; | |
944 | goto errout; | |
945 | } | |
946 | ||
947 | if ((cstr.len + sizeof(struct f2fs_encrypted_symlink_data) - 1) > | |
948 | max_size) { | |
949 | /* Symlink data on the disk is corrupted */ | |
950 | res = -EIO; | |
951 | goto errout; | |
952 | } | |
953 | res = f2fs_fname_crypto_alloc_buffer(inode, cstr.len, &pstr); | |
954 | if (res) | |
955 | goto errout; | |
956 | ||
957 | res = f2fs_fname_disk_to_usr(inode, NULL, &cstr, &pstr); | |
958 | if (res < 0) | |
959 | goto errout; | |
960 | ||
961 | paddr = pstr.name; | |
962 | ||
963 | /* Null-terminate the name */ | |
964 | paddr[res] = '\0'; | |
965 | nd_set_link(nd, paddr); | |
966 | ||
967 | kunmap(cpage); | |
968 | page_cache_release(cpage); | |
969 | return NULL; | |
970 | errout: | |
971 | f2fs_fname_crypto_free_buffer(&pstr); | |
972 | kunmap(cpage); | |
973 | page_cache_release(cpage); | |
974 | return ERR_PTR(res); | |
975 | } | |
976 | ||
977 | const struct inode_operations f2fs_encrypted_symlink_inode_operations = { | |
978 | .readlink = generic_readlink, | |
979 | .follow_link = f2fs_encrypted_follow_link, | |
980 | .put_link = kfree_put_link, | |
981 | .getattr = f2fs_getattr, | |
982 | .setattr = f2fs_setattr, | |
983 | .setxattr = generic_setxattr, | |
984 | .getxattr = generic_getxattr, | |
985 | .listxattr = f2fs_listxattr, | |
986 | .removexattr = generic_removexattr, | |
987 | }; | |
988 | #endif | |
989 | ||
57397d86 JK |
990 | const struct inode_operations f2fs_dir_inode_operations = { |
991 | .create = f2fs_create, | |
992 | .lookup = f2fs_lookup, | |
993 | .link = f2fs_link, | |
994 | .unlink = f2fs_unlink, | |
995 | .symlink = f2fs_symlink, | |
996 | .mkdir = f2fs_mkdir, | |
997 | .rmdir = f2fs_rmdir, | |
998 | .mknod = f2fs_mknod, | |
32f9bc25 | 999 | .rename2 = f2fs_rename2, |
50732df0 | 1000 | .tmpfile = f2fs_tmpfile, |
2d4d9fb5 | 1001 | .getattr = f2fs_getattr, |
57397d86 JK |
1002 | .setattr = f2fs_setattr, |
1003 | .get_acl = f2fs_get_acl, | |
a6dda0e6 | 1004 | .set_acl = f2fs_set_acl, |
57397d86 JK |
1005 | #ifdef CONFIG_F2FS_FS_XATTR |
1006 | .setxattr = generic_setxattr, | |
1007 | .getxattr = generic_getxattr, | |
1008 | .listxattr = f2fs_listxattr, | |
1009 | .removexattr = generic_removexattr, | |
1010 | #endif | |
1011 | }; | |
1012 | ||
1013 | const struct inode_operations f2fs_symlink_inode_operations = { | |
1014 | .readlink = generic_readlink, | |
feb7cbb0 | 1015 | .follow_link = f2fs_follow_link, |
57397d86 | 1016 | .put_link = page_put_link, |
2d4d9fb5 | 1017 | .getattr = f2fs_getattr, |
57397d86 JK |
1018 | .setattr = f2fs_setattr, |
1019 | #ifdef CONFIG_F2FS_FS_XATTR | |
1020 | .setxattr = generic_setxattr, | |
1021 | .getxattr = generic_getxattr, | |
1022 | .listxattr = f2fs_listxattr, | |
1023 | .removexattr = generic_removexattr, | |
1024 | #endif | |
1025 | }; | |
1026 | ||
1027 | const struct inode_operations f2fs_special_inode_operations = { | |
2d4d9fb5 | 1028 | .getattr = f2fs_getattr, |
57397d86 JK |
1029 | .setattr = f2fs_setattr, |
1030 | .get_acl = f2fs_get_acl, | |
a6dda0e6 | 1031 | .set_acl = f2fs_set_acl, |
57397d86 JK |
1032 | #ifdef CONFIG_F2FS_FS_XATTR |
1033 | .setxattr = generic_setxattr, | |
1034 | .getxattr = generic_getxattr, | |
1035 | .listxattr = f2fs_listxattr, | |
1036 | .removexattr = generic_removexattr, | |
1037 | #endif | |
1038 | }; |