1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * fs/f2fs/namei.c
4 *
5 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com/
7 */
8 #include <linux/fs.h>
9 #include <linux/f2fs_fs.h>
10 #include <linux/pagemap.h>
11 #include <linux/sched.h>
12 #include <linux/ctype.h>
13 #include <linux/random.h>
14 #include <linux/dcache.h>
15 #include <linux/namei.h>
16 #include <linux/quotaops.h>
17
18 #include "f2fs.h"
19 #include "node.h"
20 #include "segment.h"
21 #include "xattr.h"
22 #include "acl.h"
23 #include <trace/events/f2fs.h>
24
f2fs_new_inode(struct inode * dir,umode_t mode)25 static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
26 {
27 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
28 nid_t ino;
29 struct inode *inode;
30 bool nid_free = false;
31 bool encrypt = false;
32 int xattr_size = 0;
33 int err;
34
35 inode = new_inode(dir->i_sb);
36 if (!inode)
37 return ERR_PTR(-ENOMEM);
38
39 f2fs_lock_op(sbi);
40 if (!f2fs_alloc_nid(sbi, &ino)) {
41 f2fs_unlock_op(sbi);
42 err = -ENOSPC;
43 goto fail;
44 }
45 f2fs_unlock_op(sbi);
46
47 nid_free = true;
48
49 inode_init_owner(inode, dir, mode);
50
51 inode->i_ino = ino;
52 inode->i_blocks = 0;
53 inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
54 F2FS_I(inode)->i_crtime = inode->i_mtime;
55 inode->i_generation = prandom_u32();
56
57 if (S_ISDIR(inode->i_mode))
58 F2FS_I(inode)->i_current_depth = 1;
59
60 err = insert_inode_locked(inode);
61 if (err) {
62 err = -EINVAL;
63 goto fail;
64 }
65
66 if (f2fs_sb_has_project_quota(sbi) &&
67 (F2FS_I(dir)->i_flags & F2FS_PROJINHERIT_FL))
68 F2FS_I(inode)->i_projid = F2FS_I(dir)->i_projid;
69 else
70 F2FS_I(inode)->i_projid = make_kprojid(&init_user_ns,
71 F2FS_DEF_PROJID);
72
73 err = fscrypt_prepare_new_inode(dir, inode, &encrypt);
74 if (err)
75 goto fail_drop;
76
77 err = dquot_initialize(inode);
78 if (err)
79 goto fail_drop;
80
81 set_inode_flag(inode, FI_NEW_INODE);
82
83 if (encrypt)
84 f2fs_set_encrypted_inode(inode);
85
86 if (f2fs_sb_has_extra_attr(sbi)) {
87 set_inode_flag(inode, FI_EXTRA_ATTR);
88 F2FS_I(inode)->i_extra_isize = F2FS_TOTAL_EXTRA_ATTR_SIZE;
89 }
90
91 if (test_opt(sbi, INLINE_XATTR))
92 set_inode_flag(inode, FI_INLINE_XATTR);
93
94 if (f2fs_may_inline_dentry(inode))
95 set_inode_flag(inode, FI_INLINE_DENTRY);
96
97 if (f2fs_sb_has_flexible_inline_xattr(sbi)) {
98 f2fs_bug_on(sbi, !f2fs_has_extra_attr(inode));
99 if (f2fs_has_inline_xattr(inode))
100 xattr_size = F2FS_OPTION(sbi).inline_xattr_size;
101 /* Otherwise, will be 0 */
102 } else if (f2fs_has_inline_xattr(inode) ||
103 f2fs_has_inline_dentry(inode)) {
104 xattr_size = DEFAULT_INLINE_XATTR_ADDRS;
105 }
106 F2FS_I(inode)->i_inline_xattr_size = xattr_size;
107
108 f2fs_init_extent_tree(inode, NULL);
109
110 F2FS_I(inode)->i_flags =
111 f2fs_mask_flags(mode, F2FS_I(dir)->i_flags & F2FS_FL_INHERITED);
112
113 if (S_ISDIR(inode->i_mode))
114 F2FS_I(inode)->i_flags |= F2FS_INDEX_FL;
115
116 if (F2FS_I(inode)->i_flags & F2FS_PROJINHERIT_FL)
117 set_inode_flag(inode, FI_PROJ_INHERIT);
118
119 if (f2fs_sb_has_compression(sbi)) {
120 /* Inherit the compression flag in directory */
121 if ((F2FS_I(dir)->i_flags & F2FS_COMPR_FL) &&
122 f2fs_may_compress(inode))
123 set_compress_context(inode);
124 }
125
126 /* Should enable inline_data after compression set */
127 if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
128 set_inode_flag(inode, FI_INLINE_DATA);
129
130 stat_inc_inline_xattr(inode);
131 stat_inc_inline_inode(inode);
132 stat_inc_inline_dir(inode);
133
134 f2fs_set_inode_flags(inode);
135
136 trace_f2fs_new_inode(inode, 0);
137 return inode;
138
139 fail:
140 trace_f2fs_new_inode(inode, err);
141 make_bad_inode(inode);
142 if (nid_free)
143 set_inode_flag(inode, FI_FREE_NID);
144 iput(inode);
145 return ERR_PTR(err);
146 fail_drop:
147 trace_f2fs_new_inode(inode, err);
148 dquot_drop(inode);
149 inode->i_flags |= S_NOQUOTA;
150 if (nid_free)
151 set_inode_flag(inode, FI_FREE_NID);
152 clear_nlink(inode);
153 unlock_new_inode(inode);
154 iput(inode);
155 return ERR_PTR(err);
156 }
157
is_extension_exist(const unsigned char * s,const char * sub,bool tmp_ext)158 static inline int is_extension_exist(const unsigned char *s, const char *sub,
159 bool tmp_ext)
160 {
161 size_t slen = strlen(s);
162 size_t sublen = strlen(sub);
163 int i;
164
165 if (sublen == 1 && *sub == '*')
166 return 1;
167
168 /*
169 * filename format of multimedia file should be defined as:
170 * "filename + '.' + extension + (optional: '.' + temp extension)".
171 */
172 if (slen < sublen + 2)
173 return 0;
174
175 if (!tmp_ext) {
176 /* file has no temp extension */
177 if (s[slen - sublen - 1] != '.')
178 return 0;
179 return !strncasecmp(s + slen - sublen, sub, sublen);
180 }
181
182 for (i = 1; i < slen - sublen; i++) {
183 if (s[i] != '.')
184 continue;
185 if (!strncasecmp(s + i + 1, sub, sublen))
186 return 1;
187 }
188
189 return 0;
190 }
191
192 /*
193 * Set file's temperature for hot/cold data separation
194 */
set_file_temperature(struct f2fs_sb_info * sbi,struct inode * inode,const unsigned char * name)195 static inline void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *inode,
196 const unsigned char *name)
197 {
198 __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
199 int i, cold_count, hot_count;
200
201 down_read(&sbi->sb_lock);
202
203 cold_count = le32_to_cpu(sbi->raw_super->extension_count);
204 hot_count = sbi->raw_super->hot_ext_count;
205
206 for (i = 0; i < cold_count + hot_count; i++) {
207 if (is_extension_exist(name, extlist[i], true))
208 break;
209 }
210
211 up_read(&sbi->sb_lock);
212
213 if (i == cold_count + hot_count)
214 return;
215
216 if (i < cold_count)
217 file_set_cold(inode);
218 else
219 file_set_hot(inode);
220 }
221
f2fs_update_extension_list(struct f2fs_sb_info * sbi,const char * name,bool hot,bool set)222 int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
223 bool hot, bool set)
224 {
225 __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
226 int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
227 int hot_count = sbi->raw_super->hot_ext_count;
228 int total_count = cold_count + hot_count;
229 int start, count;
230 int i;
231
232 if (set) {
233 if (total_count == F2FS_MAX_EXTENSION)
234 return -EINVAL;
235 } else {
236 if (!hot && !cold_count)
237 return -EINVAL;
238 if (hot && !hot_count)
239 return -EINVAL;
240 }
241
242 if (hot) {
243 start = cold_count;
244 count = total_count;
245 } else {
246 start = 0;
247 count = cold_count;
248 }
249
250 for (i = start; i < count; i++) {
251 if (strcmp(name, extlist[i]))
252 continue;
253
254 if (set)
255 return -EINVAL;
256
257 memcpy(extlist[i], extlist[i + 1],
258 F2FS_EXTENSION_LEN * (total_count - i - 1));
259 memset(extlist[total_count - 1], 0, F2FS_EXTENSION_LEN);
260 if (hot)
261 sbi->raw_super->hot_ext_count = hot_count - 1;
262 else
263 sbi->raw_super->extension_count =
264 cpu_to_le32(cold_count - 1);
265 return 0;
266 }
267
268 if (!set)
269 return -EINVAL;
270
271 if (hot) {
272 memcpy(extlist[count], name, strlen(name));
273 sbi->raw_super->hot_ext_count = hot_count + 1;
274 } else {
275 char buf[F2FS_MAX_EXTENSION][F2FS_EXTENSION_LEN];
276
277 memcpy(buf, &extlist[cold_count],
278 F2FS_EXTENSION_LEN * hot_count);
279 memset(extlist[cold_count], 0, F2FS_EXTENSION_LEN);
280 memcpy(extlist[cold_count], name, strlen(name));
281 memcpy(&extlist[cold_count + 1], buf,
282 F2FS_EXTENSION_LEN * hot_count);
283 sbi->raw_super->extension_count = cpu_to_le32(cold_count + 1);
284 }
285 return 0;
286 }
287
set_compress_inode(struct f2fs_sb_info * sbi,struct inode * inode,const unsigned char * name)288 static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
289 const unsigned char *name)
290 {
291 __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
292 unsigned char (*ext)[F2FS_EXTENSION_LEN];
293 unsigned int ext_cnt = F2FS_OPTION(sbi).compress_ext_cnt;
294 int i, cold_count, hot_count;
295
296 if (!f2fs_sb_has_compression(sbi) ||
297 is_inode_flag_set(inode, FI_COMPRESSED_FILE) ||
298 F2FS_I(inode)->i_flags & F2FS_NOCOMP_FL ||
299 !f2fs_may_compress(inode))
300 return;
301
302 down_read(&sbi->sb_lock);
303
304 cold_count = le32_to_cpu(sbi->raw_super->extension_count);
305 hot_count = sbi->raw_super->hot_ext_count;
306
307 for (i = cold_count; i < cold_count + hot_count; i++) {
308 if (is_extension_exist(name, extlist[i], false)) {
309 up_read(&sbi->sb_lock);
310 return;
311 }
312 }
313
314 up_read(&sbi->sb_lock);
315
316 ext = F2FS_OPTION(sbi).extensions;
317
318 for (i = 0; i < ext_cnt; i++) {
319 if (!is_extension_exist(name, ext[i], false))
320 continue;
321
322 /* Do not use inline_data with compression */
323 stat_dec_inline_inode(inode);
324 clear_inode_flag(inode, FI_INLINE_DATA);
325 set_compress_context(inode);
326 return;
327 }
328 }
329
f2fs_create(struct inode * dir,struct dentry * dentry,umode_t mode,bool excl)330 static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
331 bool excl)
332 {
333 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
334 struct inode *inode;
335 nid_t ino = 0;
336 int err;
337
338 if (unlikely(f2fs_cp_error(sbi)))
339 return -EIO;
340 if (!f2fs_is_checkpoint_ready(sbi))
341 return -ENOSPC;
342
343 err = dquot_initialize(dir);
344 if (err)
345 return err;
346
347 inode = f2fs_new_inode(dir, mode);
348 if (IS_ERR(inode))
349 return PTR_ERR(inode);
350
351 if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
352 set_file_temperature(sbi, inode, dentry->d_name.name);
353
354 set_compress_inode(sbi, inode, dentry->d_name.name);
355
356 inode->i_op = &f2fs_file_inode_operations;
357 inode->i_fop = &f2fs_file_operations;
358 inode->i_mapping->a_ops = &f2fs_dblock_aops;
359 ino = inode->i_ino;
360
361 f2fs_lock_op(sbi);
362 err = f2fs_add_link(dentry, inode);
363 if (err)
364 goto out;
365 f2fs_unlock_op(sbi);
366
367 f2fs_alloc_nid_done(sbi, ino);
368
369 d_instantiate_new(dentry, inode);
370
371 if (IS_DIRSYNC(dir))
372 f2fs_sync_fs(sbi->sb, 1);
373
374 f2fs_balance_fs(sbi, true);
375 return 0;
376 out:
377 f2fs_handle_failed_inode(inode);
378 return err;
379 }
380
f2fs_link(struct dentry * old_dentry,struct inode * dir,struct dentry * dentry)381 static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
382 struct dentry *dentry)
383 {
384 struct inode *inode = d_inode(old_dentry);
385 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
386 int err;
387
388 if (unlikely(f2fs_cp_error(sbi)))
389 return -EIO;
390 if (!f2fs_is_checkpoint_ready(sbi))
391 return -ENOSPC;
392
393 err = fscrypt_prepare_link(old_dentry, dir, dentry);
394 if (err)
395 return err;
396
397 if (is_inode_flag_set(dir, FI_PROJ_INHERIT) &&
398 (!projid_eq(F2FS_I(dir)->i_projid,
399 F2FS_I(old_dentry->d_inode)->i_projid)))
400 return -EXDEV;
401
402 err = dquot_initialize(dir);
403 if (err)
404 return err;
405
406 f2fs_balance_fs(sbi, true);
407
408 inode->i_ctime = current_time(inode);
409 ihold(inode);
410
411 set_inode_flag(inode, FI_INC_LINK);
412 f2fs_lock_op(sbi);
413 err = f2fs_add_link(dentry, inode);
414 if (err)
415 goto out;
416 f2fs_unlock_op(sbi);
417
418 d_instantiate(dentry, inode);
419
420 if (IS_DIRSYNC(dir))
421 f2fs_sync_fs(sbi->sb, 1);
422 return 0;
423 out:
424 clear_inode_flag(inode, FI_INC_LINK);
425 iput(inode);
426 f2fs_unlock_op(sbi);
427 return err;
428 }
429
f2fs_get_parent(struct dentry * child)430 struct dentry *f2fs_get_parent(struct dentry *child)
431 {
432 struct qstr dotdot = QSTR_INIT("..", 2);
433 struct page *page;
434 unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot, &page);
435 if (!ino) {
436 if (IS_ERR(page))
437 return ERR_CAST(page);
438 return ERR_PTR(-ENOENT);
439 }
440 return d_obtain_alias(f2fs_iget(child->d_sb, ino));
441 }
442
__recover_dot_dentries(struct inode * dir,nid_t pino)443 static int __recover_dot_dentries(struct inode *dir, nid_t pino)
444 {
445 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
446 struct qstr dot = QSTR_INIT(".", 1);
447 struct qstr dotdot = QSTR_INIT("..", 2);
448 struct f2fs_dir_entry *de;
449 struct page *page;
450 int err = 0;
451
452 if (f2fs_readonly(sbi->sb)) {
453 f2fs_info(sbi, "skip recovering inline_dots inode (ino:%lu, pino:%u) in readonly mountpoint",
454 dir->i_ino, pino);
455 return 0;
456 }
457
458 err = dquot_initialize(dir);
459 if (err)
460 return err;
461
462 f2fs_balance_fs(sbi, true);
463
464 f2fs_lock_op(sbi);
465
466 de = f2fs_find_entry(dir, &dot, &page);
467 if (de) {
468 f2fs_put_page(page, 0);
469 } else if (IS_ERR(page)) {
470 err = PTR_ERR(page);
471 goto out;
472 } else {
473 err = f2fs_do_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR);
474 if (err)
475 goto out;
476 }
477
478 de = f2fs_find_entry(dir, &dotdot, &page);
479 if (de)
480 f2fs_put_page(page, 0);
481 else if (IS_ERR(page))
482 err = PTR_ERR(page);
483 else
484 err = f2fs_do_add_link(dir, &dotdot, NULL, pino, S_IFDIR);
485 out:
486 if (!err)
487 clear_inode_flag(dir, FI_INLINE_DOTS);
488
489 f2fs_unlock_op(sbi);
490 return err;
491 }
492
f2fs_lookup(struct inode * dir,struct dentry * dentry,unsigned int flags)493 static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
494 unsigned int flags)
495 {
496 struct inode *inode = NULL;
497 struct f2fs_dir_entry *de;
498 struct page *page;
499 struct dentry *new;
500 nid_t ino = -1;
501 int err = 0;
502 unsigned int root_ino = F2FS_ROOT_INO(F2FS_I_SB(dir));
503 struct f2fs_filename fname;
504
505 trace_f2fs_lookup_start(dir, dentry, flags);
506
507 if (dentry->d_name.len > F2FS_NAME_LEN) {
508 err = -ENAMETOOLONG;
509 goto out;
510 }
511
512 err = f2fs_prepare_lookup(dir, dentry, &fname);
513 if (err == -ENOENT)
514 goto out_splice;
515 if (err)
516 goto out;
517 de = __f2fs_find_entry(dir, &fname, &page);
518 f2fs_free_filename(&fname);
519
520 if (!de) {
521 if (IS_ERR(page)) {
522 err = PTR_ERR(page);
523 goto out;
524 }
525 err = -ENOENT;
526 goto out_splice;
527 }
528
529 ino = le32_to_cpu(de->ino);
530 f2fs_put_page(page, 0);
531
532 inode = f2fs_iget(dir->i_sb, ino);
533 if (IS_ERR(inode)) {
534 err = PTR_ERR(inode);
535 goto out;
536 }
537
538 if ((dir->i_ino == root_ino) && f2fs_has_inline_dots(dir)) {
539 err = __recover_dot_dentries(dir, root_ino);
540 if (err)
541 goto out_iput;
542 }
543
544 if (f2fs_has_inline_dots(inode)) {
545 err = __recover_dot_dentries(inode, dir->i_ino);
546 if (err)
547 goto out_iput;
548 }
549 if (IS_ENCRYPTED(dir) &&
550 (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) &&
551 !fscrypt_has_permitted_context(dir, inode)) {
552 f2fs_warn(F2FS_I_SB(inode), "Inconsistent encryption contexts: %lu/%lu",
553 dir->i_ino, inode->i_ino);
554 err = -EPERM;
555 goto out_iput;
556 }
557 out_splice:
558 #ifdef CONFIG_UNICODE
559 if (!inode && IS_CASEFOLDED(dir)) {
560 /* Eventually we want to call d_add_ci(dentry, NULL)
561 * for negative dentries in the encoding case as
562 * well. For now, prevent the negative dentry
563 * from being cached.
564 */
565 trace_f2fs_lookup_end(dir, dentry, ino, err);
566 return NULL;
567 }
568 #endif
569 new = d_splice_alias(inode, dentry);
570 err = PTR_ERR_OR_ZERO(new);
571 trace_f2fs_lookup_end(dir, dentry, ino, !new ? -ENOENT : err);
572 return new;
573 out_iput:
574 iput(inode);
575 out:
576 trace_f2fs_lookup_end(dir, dentry, ino, err);
577 return ERR_PTR(err);
578 }
579
f2fs_unlink(struct inode * dir,struct dentry * dentry)580 static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
581 {
582 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
583 struct inode *inode = d_inode(dentry);
584 struct f2fs_dir_entry *de;
585 struct page *page;
586 int err;
587
588 trace_f2fs_unlink_enter(dir, dentry);
589
590 if (unlikely(f2fs_cp_error(sbi))) {
591 err = -EIO;
592 goto fail;
593 }
594
595 err = dquot_initialize(dir);
596 if (err)
597 goto fail;
598 err = dquot_initialize(inode);
599 if (err)
600 goto fail;
601
602 de = f2fs_find_entry(dir, &dentry->d_name, &page);
603 if (!de) {
604 if (IS_ERR(page))
605 err = PTR_ERR(page);
606 goto fail;
607 }
608
609 f2fs_balance_fs(sbi, true);
610
611 f2fs_lock_op(sbi);
612 err = f2fs_acquire_orphan_inode(sbi);
613 if (err) {
614 f2fs_unlock_op(sbi);
615 f2fs_put_page(page, 0);
616 goto fail;
617 }
618 f2fs_delete_entry(de, page, dir, inode);
619 #ifdef CONFIG_UNICODE
620 /* VFS negative dentries are incompatible with Encoding and
621 * Case-insensitiveness. Eventually we'll want avoid
622 * invalidating the dentries here, alongside with returning the
623 * negative dentries at f2fs_lookup(), when it is better
624 * supported by the VFS for the CI case.
625 */
626 if (IS_CASEFOLDED(dir))
627 d_invalidate(dentry);
628 #endif
629 f2fs_unlock_op(sbi);
630
631 if (IS_DIRSYNC(dir))
632 f2fs_sync_fs(sbi->sb, 1);
633 fail:
634 trace_f2fs_unlink_exit(inode, err);
635 return err;
636 }
637
f2fs_get_link(struct dentry * dentry,struct inode * inode,struct delayed_call * done)638 static const char *f2fs_get_link(struct dentry *dentry,
639 struct inode *inode,
640 struct delayed_call *done)
641 {
642 const char *link = page_get_link(dentry, inode, done);
643 if (!IS_ERR(link) && !*link) {
644 /* this is broken symlink case */
645 do_delayed_call(done);
646 clear_delayed_call(done);
647 link = ERR_PTR(-ENOENT);
648 }
649 return link;
650 }
651
f2fs_symlink(struct inode * dir,struct dentry * dentry,const char * symname)652 static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
653 const char *symname)
654 {
655 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
656 struct inode *inode;
657 size_t len = strlen(symname);
658 struct fscrypt_str disk_link;
659 int err;
660
661 if (unlikely(f2fs_cp_error(sbi)))
662 return -EIO;
663 if (!f2fs_is_checkpoint_ready(sbi))
664 return -ENOSPC;
665
666 err = fscrypt_prepare_symlink(dir, symname, len, dir->i_sb->s_blocksize,
667 &disk_link);
668 if (err)
669 return err;
670
671 err = dquot_initialize(dir);
672 if (err)
673 return err;
674
675 inode = f2fs_new_inode(dir, S_IFLNK | S_IRWXUGO);
676 if (IS_ERR(inode))
677 return PTR_ERR(inode);
678
679 if (IS_ENCRYPTED(inode))
680 inode->i_op = &f2fs_encrypted_symlink_inode_operations;
681 else
682 inode->i_op = &f2fs_symlink_inode_operations;
683 inode_nohighmem(inode);
684 inode->i_mapping->a_ops = &f2fs_dblock_aops;
685
686 f2fs_lock_op(sbi);
687 err = f2fs_add_link(dentry, inode);
688 if (err)
689 goto out_f2fs_handle_failed_inode;
690 f2fs_unlock_op(sbi);
691 f2fs_alloc_nid_done(sbi, inode->i_ino);
692
693 err = fscrypt_encrypt_symlink(inode, symname, len, &disk_link);
694 if (err)
695 goto err_out;
696
697 err = page_symlink(inode, disk_link.name, disk_link.len);
698
699 err_out:
700 d_instantiate_new(dentry, inode);
701
702 /*
703 * Let's flush symlink data in order to avoid broken symlink as much as
704 * possible. Nevertheless, fsyncing is the best way, but there is no
705 * way to get a file descriptor in order to flush that.
706 *
707 * Note that, it needs to do dir->fsync to make this recoverable.
708 * If the symlink path is stored into inline_data, there is no
709 * performance regression.
710 */
711 if (!err) {
712 filemap_write_and_wait_range(inode->i_mapping, 0,
713 disk_link.len - 1);
714
715 if (IS_DIRSYNC(dir))
716 f2fs_sync_fs(sbi->sb, 1);
717 } else {
718 f2fs_unlink(dir, dentry);
719 }
720
721 f2fs_balance_fs(sbi, true);
722 goto out_free_encrypted_link;
723
724 out_f2fs_handle_failed_inode:
725 f2fs_handle_failed_inode(inode);
726 out_free_encrypted_link:
727 if (disk_link.name != (unsigned char *)symname)
728 kfree(disk_link.name);
729 return err;
730 }
731
f2fs_mkdir(struct inode * dir,struct dentry * dentry,umode_t mode)732 static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
733 {
734 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
735 struct inode *inode;
736 int err;
737
738 if (unlikely(f2fs_cp_error(sbi)))
739 return -EIO;
740
741 err = dquot_initialize(dir);
742 if (err)
743 return err;
744
745 inode = f2fs_new_inode(dir, S_IFDIR | mode);
746 if (IS_ERR(inode))
747 return PTR_ERR(inode);
748
749 inode->i_op = &f2fs_dir_inode_operations;
750 inode->i_fop = &f2fs_dir_operations;
751 inode->i_mapping->a_ops = &f2fs_dblock_aops;
752 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
753
754 set_inode_flag(inode, FI_INC_LINK);
755 f2fs_lock_op(sbi);
756 err = f2fs_add_link(dentry, inode);
757 if (err)
758 goto out_fail;
759 f2fs_unlock_op(sbi);
760
761 f2fs_alloc_nid_done(sbi, inode->i_ino);
762
763 d_instantiate_new(dentry, inode);
764
765 if (IS_DIRSYNC(dir))
766 f2fs_sync_fs(sbi->sb, 1);
767
768 f2fs_balance_fs(sbi, true);
769 return 0;
770
771 out_fail:
772 clear_inode_flag(inode, FI_INC_LINK);
773 f2fs_handle_failed_inode(inode);
774 return err;
775 }
776
f2fs_rmdir(struct inode * dir,struct dentry * dentry)777 static int f2fs_rmdir(struct inode *dir, struct dentry *dentry)
778 {
779 struct inode *inode = d_inode(dentry);
780 if (f2fs_empty_dir(inode))
781 return f2fs_unlink(dir, dentry);
782 return -ENOTEMPTY;
783 }
784
f2fs_mknod(struct inode * dir,struct dentry * dentry,umode_t mode,dev_t rdev)785 static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
786 umode_t mode, dev_t rdev)
787 {
788 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
789 struct inode *inode;
790 int err = 0;
791
792 if (unlikely(f2fs_cp_error(sbi)))
793 return -EIO;
794 if (!f2fs_is_checkpoint_ready(sbi))
795 return -ENOSPC;
796
797 err = dquot_initialize(dir);
798 if (err)
799 return err;
800
801 inode = f2fs_new_inode(dir, mode);
802 if (IS_ERR(inode))
803 return PTR_ERR(inode);
804
805 init_special_inode(inode, inode->i_mode, rdev);
806 inode->i_op = &f2fs_special_inode_operations;
807
808 f2fs_lock_op(sbi);
809 err = f2fs_add_link(dentry, inode);
810 if (err)
811 goto out;
812 f2fs_unlock_op(sbi);
813
814 f2fs_alloc_nid_done(sbi, inode->i_ino);
815
816 d_instantiate_new(dentry, inode);
817
818 if (IS_DIRSYNC(dir))
819 f2fs_sync_fs(sbi->sb, 1);
820
821 f2fs_balance_fs(sbi, true);
822 return 0;
823 out:
824 f2fs_handle_failed_inode(inode);
825 return err;
826 }
827
__f2fs_tmpfile(struct inode * dir,struct dentry * dentry,umode_t mode,struct inode ** whiteout)828 static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
829 umode_t mode, struct inode **whiteout)
830 {
831 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
832 struct inode *inode;
833 int err;
834
835 err = dquot_initialize(dir);
836 if (err)
837 return err;
838
839 inode = f2fs_new_inode(dir, mode);
840 if (IS_ERR(inode))
841 return PTR_ERR(inode);
842
843 if (whiteout) {
844 init_special_inode(inode, inode->i_mode, WHITEOUT_DEV);
845 inode->i_op = &f2fs_special_inode_operations;
846 } else {
847 inode->i_op = &f2fs_file_inode_operations;
848 inode->i_fop = &f2fs_file_operations;
849 inode->i_mapping->a_ops = &f2fs_dblock_aops;
850 }
851
852 f2fs_lock_op(sbi);
853 err = f2fs_acquire_orphan_inode(sbi);
854 if (err)
855 goto out;
856
857 err = f2fs_do_tmpfile(inode, dir);
858 if (err)
859 goto release_out;
860
861 /*
862 * add this non-linked tmpfile to orphan list, in this way we could
863 * remove all unused data of tmpfile after abnormal power-off.
864 */
865 f2fs_add_orphan_inode(inode);
866 f2fs_alloc_nid_done(sbi, inode->i_ino);
867
868 if (whiteout) {
869 f2fs_i_links_write(inode, false);
870
871 spin_lock(&inode->i_lock);
872 inode->i_state |= I_LINKABLE;
873 spin_unlock(&inode->i_lock);
874
875 *whiteout = inode;
876 } else {
877 d_tmpfile(dentry, inode);
878 }
879 /* link_count was changed by d_tmpfile as well. */
880 f2fs_unlock_op(sbi);
881 unlock_new_inode(inode);
882
883 f2fs_balance_fs(sbi, true);
884 return 0;
885
886 release_out:
887 f2fs_release_orphan_inode(sbi);
888 out:
889 f2fs_handle_failed_inode(inode);
890 return err;
891 }
892
f2fs_tmpfile(struct inode * dir,struct dentry * dentry,umode_t mode)893 static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
894 {
895 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
896
897 if (unlikely(f2fs_cp_error(sbi)))
898 return -EIO;
899 if (!f2fs_is_checkpoint_ready(sbi))
900 return -ENOSPC;
901
902 return __f2fs_tmpfile(dir, dentry, mode, NULL);
903 }
904
f2fs_create_whiteout(struct inode * dir,struct inode ** whiteout)905 static int f2fs_create_whiteout(struct inode *dir, struct inode **whiteout)
906 {
907 if (unlikely(f2fs_cp_error(F2FS_I_SB(dir))))
908 return -EIO;
909
910 return __f2fs_tmpfile(dir, NULL, S_IFCHR | WHITEOUT_MODE, whiteout);
911 }
912
f2fs_rename(struct inode * old_dir,struct dentry * old_dentry,struct inode * new_dir,struct dentry * new_dentry,unsigned int flags)913 static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
914 struct inode *new_dir, struct dentry *new_dentry,
915 unsigned int flags)
916 {
917 struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
918 struct inode *old_inode = d_inode(old_dentry);
919 struct inode *new_inode = d_inode(new_dentry);
920 struct inode *whiteout = NULL;
921 struct page *old_dir_page = NULL;
922 struct page *old_page, *new_page = NULL;
923 struct f2fs_dir_entry *old_dir_entry = NULL;
924 struct f2fs_dir_entry *old_entry;
925 struct f2fs_dir_entry *new_entry;
926 int err;
927
928 if (unlikely(f2fs_cp_error(sbi)))
929 return -EIO;
930 if (!f2fs_is_checkpoint_ready(sbi))
931 return -ENOSPC;
932
933 if (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
934 (!projid_eq(F2FS_I(new_dir)->i_projid,
935 F2FS_I(old_dentry->d_inode)->i_projid)))
936 return -EXDEV;
937
938 /*
939 * If new_inode is null, the below renaming flow will
940 * add a link in old_dir which can conver inline_dir.
941 * After then, if we failed to get the entry due to other
942 * reasons like ENOMEM, we had to remove the new entry.
943 * Instead of adding such the error handling routine, let's
944 * simply convert first here.
945 */
946 if (old_dir == new_dir && !new_inode) {
947 err = f2fs_try_convert_inline_dir(old_dir, new_dentry);
948 if (err)
949 return err;
950 }
951
952 if (flags & RENAME_WHITEOUT) {
953 err = f2fs_create_whiteout(old_dir, &whiteout);
954 if (err)
955 return err;
956 }
957
958 err = dquot_initialize(old_dir);
959 if (err)
960 goto out;
961
962 err = dquot_initialize(new_dir);
963 if (err)
964 goto out;
965
966 if (new_inode) {
967 err = dquot_initialize(new_inode);
968 if (err)
969 goto out;
970 }
971
972 err = -ENOENT;
973 old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
974 if (!old_entry) {
975 if (IS_ERR(old_page))
976 err = PTR_ERR(old_page);
977 goto out;
978 }
979
980 if (S_ISDIR(old_inode->i_mode)) {
981 old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page);
982 if (!old_dir_entry) {
983 if (IS_ERR(old_dir_page))
984 err = PTR_ERR(old_dir_page);
985 goto out_old;
986 }
987 }
988
989 if (new_inode) {
990
991 err = -ENOTEMPTY;
992 if (old_dir_entry && !f2fs_empty_dir(new_inode))
993 goto out_dir;
994
995 err = -ENOENT;
996 new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name,
997 &new_page);
998 if (!new_entry) {
999 if (IS_ERR(new_page))
1000 err = PTR_ERR(new_page);
1001 goto out_dir;
1002 }
1003
1004 f2fs_balance_fs(sbi, true);
1005
1006 f2fs_lock_op(sbi);
1007
1008 err = f2fs_acquire_orphan_inode(sbi);
1009 if (err)
1010 goto put_out_dir;
1011
1012 f2fs_set_link(new_dir, new_entry, new_page, old_inode);
1013 new_page = NULL;
1014
1015 new_inode->i_ctime = current_time(new_inode);
1016 down_write(&F2FS_I(new_inode)->i_sem);
1017 if (old_dir_entry)
1018 f2fs_i_links_write(new_inode, false);
1019 f2fs_i_links_write(new_inode, false);
1020 up_write(&F2FS_I(new_inode)->i_sem);
1021
1022 if (!new_inode->i_nlink)
1023 f2fs_add_orphan_inode(new_inode);
1024 else
1025 f2fs_release_orphan_inode(sbi);
1026 } else {
1027 f2fs_balance_fs(sbi, true);
1028
1029 f2fs_lock_op(sbi);
1030
1031 err = f2fs_add_link(new_dentry, old_inode);
1032 if (err) {
1033 f2fs_unlock_op(sbi);
1034 goto out_dir;
1035 }
1036
1037 if (old_dir_entry)
1038 f2fs_i_links_write(new_dir, true);
1039 }
1040
1041 down_write(&F2FS_I(old_inode)->i_sem);
1042 if (!old_dir_entry || whiteout)
1043 file_lost_pino(old_inode);
1044 else
1045 /* adjust dir's i_pino to pass fsck check */
1046 f2fs_i_pino_write(old_inode, new_dir->i_ino);
1047 up_write(&F2FS_I(old_inode)->i_sem);
1048
1049 old_inode->i_ctime = current_time(old_inode);
1050 f2fs_mark_inode_dirty_sync(old_inode, false);
1051
1052 f2fs_delete_entry(old_entry, old_page, old_dir, NULL);
1053 old_page = NULL;
1054
1055 if (whiteout) {
1056 set_inode_flag(whiteout, FI_INC_LINK);
1057 err = f2fs_add_link(old_dentry, whiteout);
1058 if (err)
1059 goto put_out_dir;
1060
1061 spin_lock(&whiteout->i_lock);
1062 whiteout->i_state &= ~I_LINKABLE;
1063 spin_unlock(&whiteout->i_lock);
1064
1065 iput(whiteout);
1066 }
1067
1068 if (old_dir_entry) {
1069 if (old_dir != new_dir && !whiteout)
1070 f2fs_set_link(old_inode, old_dir_entry,
1071 old_dir_page, new_dir);
1072 else
1073 f2fs_put_page(old_dir_page, 0);
1074 f2fs_i_links_write(old_dir, false);
1075 }
1076 if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) {
1077 f2fs_add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO);
1078 if (S_ISDIR(old_inode->i_mode))
1079 f2fs_add_ino_entry(sbi, old_inode->i_ino,
1080 TRANS_DIR_INO);
1081 }
1082
1083 f2fs_unlock_op(sbi);
1084
1085 if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
1086 f2fs_sync_fs(sbi->sb, 1);
1087
1088 f2fs_update_time(sbi, REQ_TIME);
1089 return 0;
1090
1091 put_out_dir:
1092 f2fs_unlock_op(sbi);
1093 f2fs_put_page(new_page, 0);
1094 out_dir:
1095 if (old_dir_entry)
1096 f2fs_put_page(old_dir_page, 0);
1097 out_old:
1098 f2fs_put_page(old_page, 0);
1099 out:
1100 if (whiteout)
1101 iput(whiteout);
1102 return err;
1103 }
1104
f2fs_cross_rename(struct inode * old_dir,struct dentry * old_dentry,struct inode * new_dir,struct dentry * new_dentry)1105 static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
1106 struct inode *new_dir, struct dentry *new_dentry)
1107 {
1108 struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
1109 struct inode *old_inode = d_inode(old_dentry);
1110 struct inode *new_inode = d_inode(new_dentry);
1111 struct page *old_dir_page, *new_dir_page;
1112 struct page *old_page, *new_page;
1113 struct f2fs_dir_entry *old_dir_entry = NULL, *new_dir_entry = NULL;
1114 struct f2fs_dir_entry *old_entry, *new_entry;
1115 int old_nlink = 0, new_nlink = 0;
1116 int err;
1117
1118 if (unlikely(f2fs_cp_error(sbi)))
1119 return -EIO;
1120 if (!f2fs_is_checkpoint_ready(sbi))
1121 return -ENOSPC;
1122
1123 if ((is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
1124 !projid_eq(F2FS_I(new_dir)->i_projid,
1125 F2FS_I(old_dentry->d_inode)->i_projid)) ||
1126 (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
1127 !projid_eq(F2FS_I(old_dir)->i_projid,
1128 F2FS_I(new_dentry->d_inode)->i_projid)))
1129 return -EXDEV;
1130
1131 err = dquot_initialize(old_dir);
1132 if (err)
1133 goto out;
1134
1135 err = dquot_initialize(new_dir);
1136 if (err)
1137 goto out;
1138
1139 err = -ENOENT;
1140 old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
1141 if (!old_entry) {
1142 if (IS_ERR(old_page))
1143 err = PTR_ERR(old_page);
1144 goto out;
1145 }
1146
1147 new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page);
1148 if (!new_entry) {
1149 if (IS_ERR(new_page))
1150 err = PTR_ERR(new_page);
1151 goto out_old;
1152 }
1153
1154 /* prepare for updating ".." directory entry info later */
1155 if (old_dir != new_dir) {
1156 if (S_ISDIR(old_inode->i_mode)) {
1157 old_dir_entry = f2fs_parent_dir(old_inode,
1158 &old_dir_page);
1159 if (!old_dir_entry) {
1160 if (IS_ERR(old_dir_page))
1161 err = PTR_ERR(old_dir_page);
1162 goto out_new;
1163 }
1164 }
1165
1166 if (S_ISDIR(new_inode->i_mode)) {
1167 new_dir_entry = f2fs_parent_dir(new_inode,
1168 &new_dir_page);
1169 if (!new_dir_entry) {
1170 if (IS_ERR(new_dir_page))
1171 err = PTR_ERR(new_dir_page);
1172 goto out_old_dir;
1173 }
1174 }
1175 }
1176
1177 /*
1178 * If cross rename between file and directory those are not
1179 * in the same directory, we will inc nlink of file's parent
1180 * later, so we should check upper boundary of its nlink.
1181 */
1182 if ((!old_dir_entry || !new_dir_entry) &&
1183 old_dir_entry != new_dir_entry) {
1184 old_nlink = old_dir_entry ? -1 : 1;
1185 new_nlink = -old_nlink;
1186 err = -EMLINK;
1187 if ((old_nlink > 0 && old_dir->i_nlink >= F2FS_LINK_MAX) ||
1188 (new_nlink > 0 && new_dir->i_nlink >= F2FS_LINK_MAX))
1189 goto out_new_dir;
1190 }
1191
1192 f2fs_balance_fs(sbi, true);
1193
1194 f2fs_lock_op(sbi);
1195
1196 /* update ".." directory entry info of old dentry */
1197 if (old_dir_entry)
1198 f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir);
1199
1200 /* update ".." directory entry info of new dentry */
1201 if (new_dir_entry)
1202 f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir);
1203
1204 /* update directory entry info of old dir inode */
1205 f2fs_set_link(old_dir, old_entry, old_page, new_inode);
1206
1207 down_write(&F2FS_I(old_inode)->i_sem);
1208 if (!old_dir_entry)
1209 file_lost_pino(old_inode);
1210 else
1211 /* adjust dir's i_pino to pass fsck check */
1212 f2fs_i_pino_write(old_inode, new_dir->i_ino);
1213 up_write(&F2FS_I(old_inode)->i_sem);
1214
1215 old_dir->i_ctime = current_time(old_dir);
1216 if (old_nlink) {
1217 down_write(&F2FS_I(old_dir)->i_sem);
1218 f2fs_i_links_write(old_dir, old_nlink > 0);
1219 up_write(&F2FS_I(old_dir)->i_sem);
1220 }
1221 f2fs_mark_inode_dirty_sync(old_dir, false);
1222
1223 /* update directory entry info of new dir inode */
1224 f2fs_set_link(new_dir, new_entry, new_page, old_inode);
1225
1226 down_write(&F2FS_I(new_inode)->i_sem);
1227 if (!new_dir_entry)
1228 file_lost_pino(new_inode);
1229 else
1230 /* adjust dir's i_pino to pass fsck check */
1231 f2fs_i_pino_write(new_inode, old_dir->i_ino);
1232 up_write(&F2FS_I(new_inode)->i_sem);
1233
1234 new_dir->i_ctime = current_time(new_dir);
1235 if (new_nlink) {
1236 down_write(&F2FS_I(new_dir)->i_sem);
1237 f2fs_i_links_write(new_dir, new_nlink > 0);
1238 up_write(&F2FS_I(new_dir)->i_sem);
1239 }
1240 f2fs_mark_inode_dirty_sync(new_dir, false);
1241
1242 if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) {
1243 f2fs_add_ino_entry(sbi, old_dir->i_ino, TRANS_DIR_INO);
1244 f2fs_add_ino_entry(sbi, new_dir->i_ino, TRANS_DIR_INO);
1245 }
1246
1247 f2fs_unlock_op(sbi);
1248
1249 if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
1250 f2fs_sync_fs(sbi->sb, 1);
1251
1252 f2fs_update_time(sbi, REQ_TIME);
1253 return 0;
1254 out_new_dir:
1255 if (new_dir_entry) {
1256 f2fs_put_page(new_dir_page, 0);
1257 }
1258 out_old_dir:
1259 if (old_dir_entry) {
1260 f2fs_put_page(old_dir_page, 0);
1261 }
1262 out_new:
1263 f2fs_put_page(new_page, 0);
1264 out_old:
1265 f2fs_put_page(old_page, 0);
1266 out:
1267 return err;
1268 }
1269
f2fs_rename2(struct inode * old_dir,struct dentry * old_dentry,struct inode * new_dir,struct dentry * new_dentry,unsigned int flags)1270 static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry,
1271 struct inode *new_dir, struct dentry *new_dentry,
1272 unsigned int flags)
1273 {
1274 int err;
1275
1276 if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT))
1277 return -EINVAL;
1278
1279 err = fscrypt_prepare_rename(old_dir, old_dentry, new_dir, new_dentry,
1280 flags);
1281 if (err)
1282 return err;
1283
1284 if (flags & RENAME_EXCHANGE) {
1285 return f2fs_cross_rename(old_dir, old_dentry,
1286 new_dir, new_dentry);
1287 }
1288 /*
1289 * VFS has already handled the new dentry existence case,
1290 * here, we just deal with "RENAME_NOREPLACE" as regular rename.
1291 */
1292 return f2fs_rename(old_dir, old_dentry, new_dir, new_dentry, flags);
1293 }
1294
f2fs_encrypted_get_link(struct dentry * dentry,struct inode * inode,struct delayed_call * done)1295 static const char *f2fs_encrypted_get_link(struct dentry *dentry,
1296 struct inode *inode,
1297 struct delayed_call *done)
1298 {
1299 struct page *page;
1300 const char *target;
1301
1302 if (!dentry)
1303 return ERR_PTR(-ECHILD);
1304
1305 page = read_mapping_page(inode->i_mapping, 0, NULL);
1306 if (IS_ERR(page))
1307 return ERR_CAST(page);
1308
1309 target = fscrypt_get_symlink(inode, page_address(page),
1310 inode->i_sb->s_blocksize, done);
1311 put_page(page);
1312 return target;
1313 }
1314
f2fs_encrypted_symlink_getattr(const struct path * path,struct kstat * stat,u32 request_mask,unsigned int query_flags)1315 static int f2fs_encrypted_symlink_getattr(const struct path *path,
1316 struct kstat *stat, u32 request_mask,
1317 unsigned int query_flags)
1318 {
1319 f2fs_getattr(path, stat, request_mask, query_flags);
1320
1321 return fscrypt_symlink_getattr(path, stat);
1322 }
1323
1324 const struct inode_operations f2fs_encrypted_symlink_inode_operations = {
1325 .get_link = f2fs_encrypted_get_link,
1326 .getattr = f2fs_encrypted_symlink_getattr,
1327 .setattr = f2fs_setattr,
1328 .listxattr = f2fs_listxattr,
1329 };
1330
1331 const struct inode_operations f2fs_dir_inode_operations = {
1332 .create = f2fs_create,
1333 .lookup = f2fs_lookup,
1334 .link = f2fs_link,
1335 .unlink = f2fs_unlink,
1336 .symlink = f2fs_symlink,
1337 .mkdir = f2fs_mkdir,
1338 .rmdir = f2fs_rmdir,
1339 .mknod = f2fs_mknod,
1340 .rename = f2fs_rename2,
1341 .tmpfile = f2fs_tmpfile,
1342 .getattr = f2fs_getattr,
1343 .setattr = f2fs_setattr,
1344 .get_acl = f2fs_get_acl,
1345 .set_acl = f2fs_set_acl,
1346 .listxattr = f2fs_listxattr,
1347 .fiemap = f2fs_fiemap,
1348 };
1349
1350 const struct inode_operations f2fs_symlink_inode_operations = {
1351 .get_link = f2fs_get_link,
1352 .getattr = f2fs_getattr,
1353 .setattr = f2fs_setattr,
1354 .listxattr = f2fs_listxattr,
1355 };
1356
1357 const struct inode_operations f2fs_special_inode_operations = {
1358 .getattr = f2fs_getattr,
1359 .setattr = f2fs_setattr,
1360 .get_acl = f2fs_get_acl,
1361 .set_acl = f2fs_set_acl,
1362 .listxattr = f2fs_listxattr,
1363 };
1364