4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
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.
12 #include <linux/f2fs_fs.h>
13 #include <linux/pagemap.h>
14 #include <linux/sched.h>
15 #include <linux/ctype.h>
16 #include <linux/dcache.h>
17 #include <linux/namei.h>
23 #include <trace/events/f2fs.h>
25 static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
27 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
30 bool nid_free = false;
33 inode = new_inode(dir->i_sb);
35 return ERR_PTR(-ENOMEM);
38 if (!alloc_nid(sbi, &ino)) {
45 inode_init_owner(inode, dir, mode);
49 inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
50 inode->i_generation = sbi->s_next_generation++;
52 err = insert_inode_locked(inode);
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);
63 if (test_opt(sbi, INLINE_DATA) && f2fs_may_inline_data(inode))
64 set_inode_flag(F2FS_I(inode), FI_INLINE_DATA);
65 if (f2fs_may_inline_dentry(inode))
66 set_inode_flag(F2FS_I(inode), FI_INLINE_DENTRY);
68 f2fs_init_extent_tree(inode, NULL);
70 stat_inc_inline_xattr(inode);
71 stat_inc_inline_inode(inode);
72 stat_inc_inline_dir(inode);
74 trace_f2fs_new_inode(inode, 0);
75 mark_inode_dirty(inode);
79 trace_f2fs_new_inode(inode, err);
80 make_bad_inode(inode);
82 set_inode_flag(F2FS_I(inode), FI_FREE_NID);
87 static int is_multimedia_file(const unsigned char *s, const char *sub)
89 size_t slen = strlen(s);
90 size_t sublen = strlen(sub);
93 * filename format of multimedia file should be defined as:
94 * "filename + '.' + extension".
96 if (slen < sublen + 2)
99 if (s[slen - sublen - 1] != '.')
102 return !strncasecmp(s + slen - sublen, sub, sublen);
106 * Set multimedia files as cold files for hot/cold data separation
108 static inline void set_cold_files(struct f2fs_sb_info *sbi, struct inode *inode,
109 const unsigned char *name)
112 __u8 (*extlist)[8] = sbi->raw_super->extension_list;
114 int count = le32_to_cpu(sbi->raw_super->extension_count);
115 for (i = 0; i < count; i++) {
116 if (is_multimedia_file(name, extlist[i])) {
117 file_set_cold(inode);
123 static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
126 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
131 inode = f2fs_new_inode(dir, mode);
133 return PTR_ERR(inode);
135 if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
136 set_cold_files(sbi, inode, dentry->d_name.name);
138 inode->i_op = &f2fs_file_inode_operations;
139 inode->i_fop = &f2fs_file_operations;
140 inode->i_mapping->a_ops = &f2fs_dblock_aops;
143 f2fs_balance_fs(sbi);
146 err = f2fs_add_link(dentry, inode);
151 alloc_nid_done(sbi, ino);
153 d_instantiate(dentry, inode);
154 unlock_new_inode(inode);
157 f2fs_sync_fs(sbi->sb, 1);
160 handle_failed_inode(inode);
164 static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
165 struct dentry *dentry)
167 struct inode *inode = d_inode(old_dentry);
168 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
171 if (f2fs_encrypted_inode(dir) &&
172 !f2fs_is_child_context_consistent_with_parent(dir, inode))
175 f2fs_balance_fs(sbi);
177 inode->i_ctime = CURRENT_TIME;
180 set_inode_flag(F2FS_I(inode), FI_INC_LINK);
182 err = f2fs_add_link(dentry, inode);
187 d_instantiate(dentry, inode);
190 f2fs_sync_fs(sbi->sb, 1);
193 clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
199 struct dentry *f2fs_get_parent(struct dentry *child)
201 struct qstr dotdot = QSTR_INIT("..", 2);
202 unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot);
204 return ERR_PTR(-ENOENT);
205 return d_obtain_alias(f2fs_iget(d_inode(child)->i_sb, ino));
208 static int __recover_dot_dentries(struct inode *dir, nid_t pino)
210 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
211 struct qstr dot = QSTR_INIT(".", 1);
212 struct qstr dotdot = QSTR_INIT("..", 2);
213 struct f2fs_dir_entry *de;
217 f2fs_balance_fs(sbi);
221 de = f2fs_find_entry(dir, &dot, &page);
223 f2fs_dentry_kunmap(dir, page);
224 f2fs_put_page(page, 0);
226 err = __f2fs_add_link(dir, &dot, NULL, dir->i_ino, S_IFDIR);
231 de = f2fs_find_entry(dir, &dotdot, &page);
233 f2fs_dentry_kunmap(dir, page);
234 f2fs_put_page(page, 0);
236 err = __f2fs_add_link(dir, &dotdot, NULL, pino, S_IFDIR);
240 clear_inode_flag(F2FS_I(dir), FI_INLINE_DOTS);
241 mark_inode_dirty(dir);
248 static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
251 struct inode *inode = NULL;
252 struct f2fs_dir_entry *de;
257 if (dentry->d_name.len > F2FS_NAME_LEN)
258 return ERR_PTR(-ENAMETOOLONG);
260 de = f2fs_find_entry(dir, &dentry->d_name, &page);
262 return d_splice_alias(inode, dentry);
264 ino = le32_to_cpu(de->ino);
265 f2fs_dentry_kunmap(dir, page);
266 f2fs_put_page(page, 0);
268 inode = f2fs_iget(dir->i_sb, ino);
270 return ERR_CAST(inode);
272 if (f2fs_has_inline_dots(inode)) {
273 err = __recover_dot_dentries(inode, dir->i_ino);
277 return d_splice_alias(inode, dentry);
284 static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
286 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
287 struct inode *inode = d_inode(dentry);
288 struct f2fs_dir_entry *de;
292 trace_f2fs_unlink_enter(dir, dentry);
294 de = f2fs_find_entry(dir, &dentry->d_name, &page);
298 f2fs_balance_fs(sbi);
301 err = acquire_orphan_inode(sbi);
304 f2fs_dentry_kunmap(dir, page);
305 f2fs_put_page(page, 0);
308 f2fs_delete_entry(de, page, dir, inode);
311 /* In order to evict this inode, we set it dirty */
312 mark_inode_dirty(inode);
315 f2fs_sync_fs(sbi->sb, 1);
317 trace_f2fs_unlink_exit(inode, err);
321 static const char *f2fs_follow_link(struct dentry *dentry, void **cookie)
323 const char *link = page_follow_link_light(dentry, cookie);
324 if (!IS_ERR(link) && !*link) {
325 /* this is broken symlink case */
326 page_put_link(NULL, *cookie);
327 link = ERR_PTR(-ENOENT);
332 static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
335 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
337 size_t len = strlen(symname);
340 struct f2fs_str disk_link = FSTR_INIT(NULL, 0);
341 struct f2fs_encrypted_symlink_data *sd = NULL;
344 if (len > dir->i_sb->s_blocksize)
345 return -ENAMETOOLONG;
347 inode = f2fs_new_inode(dir, S_IFLNK | S_IRWXUGO);
349 return PTR_ERR(inode);
351 if (f2fs_encrypted_inode(inode))
352 inode->i_op = &f2fs_encrypted_symlink_inode_operations;
354 inode->i_op = &f2fs_symlink_inode_operations;
355 inode->i_mapping->a_ops = &f2fs_dblock_aops;
357 f2fs_balance_fs(sbi);
360 err = f2fs_add_link(dentry, inode);
364 alloc_nid_done(sbi, inode->i_ino);
366 if (f2fs_encrypted_inode(dir)) {
367 struct qstr istr = QSTR_INIT(symname, len);
369 err = f2fs_get_encryption_info(inode);
373 err = f2fs_fname_crypto_alloc_buffer(inode, len, &disk_link);
377 err = f2fs_fname_usr_to_disk(inode, &istr, &disk_link);
381 p_len = encrypted_symlink_data_len(disk_link.len) + 1;
383 if (p_len > dir->i_sb->s_blocksize) {
388 sd = kzalloc(p_len, GFP_NOFS);
393 memcpy(sd->encrypted_path, disk_link.name, disk_link.len);
394 sd->len = cpu_to_le16(disk_link.len);
398 p_str = (char *)symname;
401 err = page_symlink(inode, p_str, p_len);
404 d_instantiate(dentry, inode);
405 unlock_new_inode(inode);
408 * Let's flush symlink data in order to avoid broken symlink as much as
409 * possible. Nevertheless, fsyncing is the best way, but there is no
410 * way to get a file descriptor in order to flush that.
412 * Note that, it needs to do dir->fsync to make this recoverable.
413 * If the symlink path is stored into inline_data, there is no
414 * performance regression.
417 filemap_write_and_wait_range(inode->i_mapping, 0, p_len - 1);
420 f2fs_sync_fs(sbi->sb, 1);
422 f2fs_unlink(dir, dentry);
426 f2fs_fname_crypto_free_buffer(&disk_link);
429 handle_failed_inode(inode);
433 static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
435 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
439 inode = f2fs_new_inode(dir, S_IFDIR | mode);
441 return PTR_ERR(inode);
443 inode->i_op = &f2fs_dir_inode_operations;
444 inode->i_fop = &f2fs_dir_operations;
445 inode->i_mapping->a_ops = &f2fs_dblock_aops;
446 mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_HIGH_ZERO);
448 f2fs_balance_fs(sbi);
450 set_inode_flag(F2FS_I(inode), FI_INC_LINK);
452 err = f2fs_add_link(dentry, inode);
457 alloc_nid_done(sbi, inode->i_ino);
459 d_instantiate(dentry, inode);
460 unlock_new_inode(inode);
463 f2fs_sync_fs(sbi->sb, 1);
467 clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
468 handle_failed_inode(inode);
472 static int f2fs_rmdir(struct inode *dir, struct dentry *dentry)
474 struct inode *inode = d_inode(dentry);
475 if (f2fs_empty_dir(inode))
476 return f2fs_unlink(dir, dentry);
480 static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
481 umode_t mode, dev_t rdev)
483 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
487 inode = f2fs_new_inode(dir, mode);
489 return PTR_ERR(inode);
491 init_special_inode(inode, inode->i_mode, rdev);
492 inode->i_op = &f2fs_special_inode_operations;
494 f2fs_balance_fs(sbi);
497 err = f2fs_add_link(dentry, inode);
502 alloc_nid_done(sbi, inode->i_ino);
504 d_instantiate(dentry, inode);
505 unlock_new_inode(inode);
508 f2fs_sync_fs(sbi->sb, 1);
511 handle_failed_inode(inode);
515 static int __f2fs_tmpfile(struct inode *dir, struct dentry *dentry,
516 umode_t mode, struct inode **whiteout)
518 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
522 inode = f2fs_new_inode(dir, mode);
524 return PTR_ERR(inode);
527 init_special_inode(inode, inode->i_mode, WHITEOUT_DEV);
528 inode->i_op = &f2fs_special_inode_operations;
530 inode->i_op = &f2fs_file_inode_operations;
531 inode->i_fop = &f2fs_file_operations;
532 inode->i_mapping->a_ops = &f2fs_dblock_aops;
535 f2fs_balance_fs(sbi);
538 err = acquire_orphan_inode(sbi);
542 err = f2fs_do_tmpfile(inode, dir);
547 * add this non-linked tmpfile to orphan list, in this way we could
548 * remove all unused data of tmpfile after abnormal power-off.
550 add_orphan_inode(sbi, inode->i_ino);
553 alloc_nid_done(sbi, inode->i_ino);
556 inode_dec_link_count(inode);
559 d_tmpfile(dentry, inode);
561 unlock_new_inode(inode);
565 release_orphan_inode(sbi);
567 handle_failed_inode(inode);
571 static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
573 if (f2fs_encrypted_inode(dir)) {
574 int err = f2fs_get_encryption_info(dir);
579 return __f2fs_tmpfile(dir, dentry, mode, NULL);
582 static int f2fs_create_whiteout(struct inode *dir, struct inode **whiteout)
584 return __f2fs_tmpfile(dir, NULL, S_IFCHR | WHITEOUT_MODE, whiteout);
587 static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
588 struct inode *new_dir, struct dentry *new_dentry,
591 struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
592 struct inode *old_inode = d_inode(old_dentry);
593 struct inode *new_inode = d_inode(new_dentry);
594 struct inode *whiteout = NULL;
595 struct page *old_dir_page;
596 struct page *old_page, *new_page = NULL;
597 struct f2fs_dir_entry *old_dir_entry = NULL;
598 struct f2fs_dir_entry *old_entry;
599 struct f2fs_dir_entry *new_entry;
602 if ((old_dir != new_dir) && f2fs_encrypted_inode(new_dir) &&
603 !f2fs_is_child_context_consistent_with_parent(new_dir,
609 old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
613 if (S_ISDIR(old_inode->i_mode)) {
615 old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page);
620 if (flags & RENAME_WHITEOUT) {
621 err = f2fs_create_whiteout(old_dir, &whiteout);
629 if (old_dir_entry && !f2fs_empty_dir(new_inode))
633 new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name,
638 f2fs_balance_fs(sbi);
642 err = acquire_orphan_inode(sbi);
646 if (update_dent_inode(old_inode, new_inode,
647 &new_dentry->d_name)) {
648 release_orphan_inode(sbi);
652 f2fs_set_link(new_dir, new_entry, new_page, old_inode);
654 new_inode->i_ctime = CURRENT_TIME;
655 down_write(&F2FS_I(new_inode)->i_sem);
657 drop_nlink(new_inode);
658 drop_nlink(new_inode);
659 up_write(&F2FS_I(new_inode)->i_sem);
661 mark_inode_dirty(new_inode);
663 if (!new_inode->i_nlink)
664 add_orphan_inode(sbi, new_inode->i_ino);
666 release_orphan_inode(sbi);
668 update_inode_page(old_inode);
669 update_inode_page(new_inode);
671 f2fs_balance_fs(sbi);
675 err = f2fs_add_link(new_dentry, old_inode);
683 update_inode_page(new_dir);
687 down_write(&F2FS_I(old_inode)->i_sem);
688 file_lost_pino(old_inode);
689 if (new_inode && file_enc_name(new_inode))
690 file_set_enc_name(old_inode);
691 up_write(&F2FS_I(old_inode)->i_sem);
693 old_inode->i_ctime = CURRENT_TIME;
694 mark_inode_dirty(old_inode);
696 f2fs_delete_entry(old_entry, old_page, old_dir, NULL);
699 whiteout->i_state |= I_LINKABLE;
700 set_inode_flag(F2FS_I(whiteout), FI_INC_LINK);
701 err = f2fs_add_link(old_dentry, whiteout);
704 whiteout->i_state &= ~I_LINKABLE;
709 if (old_dir != new_dir && !whiteout) {
710 f2fs_set_link(old_inode, old_dir_entry,
711 old_dir_page, new_dir);
712 update_inode_page(old_inode);
714 f2fs_dentry_kunmap(old_inode, old_dir_page);
715 f2fs_put_page(old_dir_page, 0);
718 mark_inode_dirty(old_dir);
719 update_inode_page(old_dir);
724 if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
725 f2fs_sync_fs(sbi->sb, 1);
731 f2fs_dentry_kunmap(new_dir, new_page);
732 f2fs_put_page(new_page, 0);
739 f2fs_dentry_kunmap(old_inode, old_dir_page);
740 f2fs_put_page(old_dir_page, 0);
743 f2fs_dentry_kunmap(old_dir, old_page);
744 f2fs_put_page(old_page, 0);
749 static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
750 struct inode *new_dir, struct dentry *new_dentry)
752 struct f2fs_sb_info *sbi = F2FS_I_SB(old_dir);
753 struct inode *old_inode = d_inode(old_dentry);
754 struct inode *new_inode = d_inode(new_dentry);
755 struct page *old_dir_page, *new_dir_page;
756 struct page *old_page, *new_page;
757 struct f2fs_dir_entry *old_dir_entry = NULL, *new_dir_entry = NULL;
758 struct f2fs_dir_entry *old_entry, *new_entry;
759 int old_nlink = 0, new_nlink = 0;
762 if ((f2fs_encrypted_inode(old_dir) || f2fs_encrypted_inode(new_dir)) &&
763 (old_dir != new_dir) &&
764 (!f2fs_is_child_context_consistent_with_parent(new_dir,
766 !f2fs_is_child_context_consistent_with_parent(old_dir,
770 old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
774 new_entry = f2fs_find_entry(new_dir, &new_dentry->d_name, &new_page);
778 /* prepare for updating ".." directory entry info later */
779 if (old_dir != new_dir) {
780 if (S_ISDIR(old_inode->i_mode)) {
782 old_dir_entry = f2fs_parent_dir(old_inode,
788 if (S_ISDIR(new_inode->i_mode)) {
790 new_dir_entry = f2fs_parent_dir(new_inode,
798 * If cross rename between file and directory those are not
799 * in the same directory, we will inc nlink of file's parent
800 * later, so we should check upper boundary of its nlink.
802 if ((!old_dir_entry || !new_dir_entry) &&
803 old_dir_entry != new_dir_entry) {
804 old_nlink = old_dir_entry ? -1 : 1;
805 new_nlink = -old_nlink;
807 if ((old_nlink > 0 && old_inode->i_nlink >= F2FS_LINK_MAX) ||
808 (new_nlink > 0 && new_inode->i_nlink >= F2FS_LINK_MAX))
812 f2fs_balance_fs(sbi);
816 err = update_dent_inode(old_inode, new_inode, &new_dentry->d_name);
819 if (file_enc_name(new_inode))
820 file_set_enc_name(old_inode);
822 err = update_dent_inode(new_inode, old_inode, &old_dentry->d_name);
825 if (file_enc_name(old_inode))
826 file_set_enc_name(new_inode);
828 /* update ".." directory entry info of old dentry */
830 f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir);
832 /* update ".." directory entry info of new dentry */
834 f2fs_set_link(new_inode, new_dir_entry, new_dir_page, old_dir);
836 /* update directory entry info of old dir inode */
837 f2fs_set_link(old_dir, old_entry, old_page, new_inode);
839 down_write(&F2FS_I(old_inode)->i_sem);
840 file_lost_pino(old_inode);
841 up_write(&F2FS_I(old_inode)->i_sem);
843 update_inode_page(old_inode);
845 old_dir->i_ctime = CURRENT_TIME;
847 down_write(&F2FS_I(old_dir)->i_sem);
852 up_write(&F2FS_I(old_dir)->i_sem);
854 mark_inode_dirty(old_dir);
855 update_inode_page(old_dir);
857 /* update directory entry info of new dir inode */
858 f2fs_set_link(new_dir, new_entry, new_page, old_inode);
860 down_write(&F2FS_I(new_inode)->i_sem);
861 file_lost_pino(new_inode);
862 up_write(&F2FS_I(new_inode)->i_sem);
864 update_inode_page(new_inode);
866 new_dir->i_ctime = CURRENT_TIME;
868 down_write(&F2FS_I(new_dir)->i_sem);
873 up_write(&F2FS_I(new_dir)->i_sem);
875 mark_inode_dirty(new_dir);
876 update_inode_page(new_dir);
880 if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
881 f2fs_sync_fs(sbi->sb, 1);
885 * Still we may fail to recover name info of f2fs_inode here
886 * Drop it, once its name is set as encrypted
888 update_dent_inode(old_inode, old_inode, &old_dentry->d_name);
893 f2fs_dentry_kunmap(new_inode, new_dir_page);
894 f2fs_put_page(new_dir_page, 0);
898 f2fs_dentry_kunmap(old_inode, old_dir_page);
899 f2fs_put_page(old_dir_page, 0);
902 f2fs_dentry_kunmap(new_dir, new_page);
903 f2fs_put_page(new_page, 0);
905 f2fs_dentry_kunmap(old_dir, old_page);
906 f2fs_put_page(old_page, 0);
911 static int f2fs_rename2(struct inode *old_dir, struct dentry *old_dentry,
912 struct inode *new_dir, struct dentry *new_dentry,
915 if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE | RENAME_WHITEOUT))
918 if (flags & RENAME_EXCHANGE) {
919 return f2fs_cross_rename(old_dir, old_dentry,
920 new_dir, new_dentry);
923 * VFS has already handled the new dentry existence case,
924 * here, we just deal with "RENAME_NOREPLACE" as regular rename.
926 return f2fs_rename(old_dir, old_dentry, new_dir, new_dentry, flags);
929 #ifdef CONFIG_F2FS_FS_ENCRYPTION
930 static const char *f2fs_encrypted_follow_link(struct dentry *dentry, void **cookie)
932 struct page *cpage = NULL;
933 char *caddr, *paddr = NULL;
934 struct f2fs_str cstr;
935 struct f2fs_str pstr = FSTR_INIT(NULL, 0);
936 struct inode *inode = d_inode(dentry);
937 struct f2fs_encrypted_symlink_data *sd;
938 loff_t size = min_t(loff_t, i_size_read(inode), PAGE_SIZE - 1);
939 u32 max_size = inode->i_sb->s_blocksize;
942 res = f2fs_get_encryption_info(inode);
946 cpage = read_mapping_page(inode->i_mapping, 0, NULL);
948 return ERR_CAST(cpage);
952 /* Symlink is encrypted */
953 sd = (struct f2fs_encrypted_symlink_data *)caddr;
954 cstr.len = le16_to_cpu(sd->len);
955 cstr.name = kmalloc(cstr.len, GFP_NOFS);
960 memcpy(cstr.name, sd->encrypted_path, cstr.len);
962 /* this is broken symlink case */
963 if (cstr.name[0] == 0 && cstr.len == 0) {
968 if ((cstr.len + sizeof(struct f2fs_encrypted_symlink_data) - 1) >
970 /* Symlink data on the disk is corrupted */
974 res = f2fs_fname_crypto_alloc_buffer(inode, cstr.len, &pstr);
978 res = f2fs_fname_disk_to_usr(inode, NULL, &cstr, &pstr);
986 /* Null-terminate the name */
990 page_cache_release(cpage);
991 return *cookie = paddr;
994 f2fs_fname_crypto_free_buffer(&pstr);
996 page_cache_release(cpage);
1000 const struct inode_operations f2fs_encrypted_symlink_inode_operations = {
1001 .readlink = generic_readlink,
1002 .follow_link = f2fs_encrypted_follow_link,
1003 .put_link = kfree_put_link,
1004 .getattr = f2fs_getattr,
1005 .setattr = f2fs_setattr,
1006 .setxattr = generic_setxattr,
1007 .getxattr = generic_getxattr,
1008 .listxattr = f2fs_listxattr,
1009 .removexattr = generic_removexattr,
1013 const struct inode_operations f2fs_dir_inode_operations = {
1014 .create = f2fs_create,
1015 .lookup = f2fs_lookup,
1017 .unlink = f2fs_unlink,
1018 .symlink = f2fs_symlink,
1019 .mkdir = f2fs_mkdir,
1020 .rmdir = f2fs_rmdir,
1021 .mknod = f2fs_mknod,
1022 .rename2 = f2fs_rename2,
1023 .tmpfile = f2fs_tmpfile,
1024 .getattr = f2fs_getattr,
1025 .setattr = f2fs_setattr,
1026 .get_acl = f2fs_get_acl,
1027 .set_acl = f2fs_set_acl,
1028 #ifdef CONFIG_F2FS_FS_XATTR
1029 .setxattr = generic_setxattr,
1030 .getxattr = generic_getxattr,
1031 .listxattr = f2fs_listxattr,
1032 .removexattr = generic_removexattr,
1036 const struct inode_operations f2fs_symlink_inode_operations = {
1037 .readlink = generic_readlink,
1038 .follow_link = f2fs_follow_link,
1039 .put_link = page_put_link,
1040 .getattr = f2fs_getattr,
1041 .setattr = f2fs_setattr,
1042 #ifdef CONFIG_F2FS_FS_XATTR
1043 .setxattr = generic_setxattr,
1044 .getxattr = generic_getxattr,
1045 .listxattr = f2fs_listxattr,
1046 .removexattr = generic_removexattr,
1050 const struct inode_operations f2fs_special_inode_operations = {
1051 .getattr = f2fs_getattr,
1052 .setattr = f2fs_setattr,
1053 .get_acl = f2fs_get_acl,
1054 .set_acl = f2fs_set_acl,
1055 #ifdef CONFIG_F2FS_FS_XATTR
1056 .setxattr = generic_setxattr,
1057 .getxattr = generic_getxattr,
1058 .listxattr = f2fs_listxattr,
1059 .removexattr = generic_removexattr,