btrfs: fix race between finishing block group creation and its item update
[platform/kernel/linux-rpi.git] / fs / btrfs / dir-item.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2
3 #ifndef BTRFS_DIR_ITEM_H
4 #define BTRFS_DIR_ITEM_H
5
6 int btrfs_check_dir_item_collision(struct btrfs_root *root, u64 dir,
7                           const struct fscrypt_str *name);
8 int btrfs_insert_dir_item(struct btrfs_trans_handle *trans,
9                           const struct fscrypt_str *name, struct btrfs_inode *dir,
10                           struct btrfs_key *location, u8 type, u64 index);
11 struct btrfs_dir_item *btrfs_lookup_dir_item(struct btrfs_trans_handle *trans,
12                                              struct btrfs_root *root,
13                                              struct btrfs_path *path, u64 dir,
14                                              const struct fscrypt_str *name, int mod);
15 struct btrfs_dir_item *btrfs_lookup_dir_index_item(
16                         struct btrfs_trans_handle *trans,
17                         struct btrfs_root *root,
18                         struct btrfs_path *path, u64 dir,
19                         u64 index, const struct fscrypt_str *name, int mod);
20 struct btrfs_dir_item *btrfs_search_dir_index_item(struct btrfs_root *root,
21                             struct btrfs_path *path, u64 dirid,
22                             const struct fscrypt_str *name);
23 int btrfs_delete_one_dir_name(struct btrfs_trans_handle *trans,
24                               struct btrfs_root *root,
25                               struct btrfs_path *path,
26                               struct btrfs_dir_item *di);
27 int btrfs_insert_xattr_item(struct btrfs_trans_handle *trans,
28                             struct btrfs_root *root,
29                             struct btrfs_path *path, u64 objectid,
30                             const char *name, u16 name_len,
31                             const void *data, u16 data_len);
32 struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans,
33                                           struct btrfs_root *root,
34                                           struct btrfs_path *path, u64 dir,
35                                           const char *name, u16 name_len,
36                                           int mod);
37 struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_fs_info *fs_info,
38                                                  struct btrfs_path *path,
39                                                  const char *name,
40                                                  int name_len);
41
42 #endif