linux - fs/btrfs/root-tree.h

42 lines · 1.6 KiB

1	/* SPDX-License-Identifier: GPL-2.0 */
2
3	#ifndef BTRFS_ROOT_TREE_H
4	#define BTRFS_ROOT_TREE_H
5
6	#include <linux/types.h>
7
8	struct fscrypt_str;
9	struct extent_buffer;
10	struct btrfs_key;
11	struct btrfs_root;
12	struct btrfs_root_item;
13	struct btrfs_path;
14	struct btrfs_fs_info;
15	struct btrfs_block_rsv;
16	struct btrfs_trans_handle;
17
18	int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,
19	struct btrfs_block_rsv *rsv,
20	int nitems, bool use_global_rsv);
21	int btrfs_add_root_ref(struct btrfs_trans_handle *trans, u64 root_id,
22	u64 ref_id, u64 dirid, u64 sequence,
23	const struct fscrypt_str *name);
24	int btrfs_del_root_ref(struct btrfs_trans_handle *trans, u64 root_id,
25	u64 ref_id, u64 dirid, u64 *sequence,
26	const struct fscrypt_str *name);
27	int btrfs_del_root(struct btrfs_trans_handle trans, const struct btrfs_key key);
28	int btrfs_insert_root(struct btrfs_trans_handle trans, struct btrfs_root root,
29	const struct btrfs_key *key,
30	struct btrfs_root_item *item);
31	int btrfs_update_root(struct btrfs_trans_handle trans, struct btrfs_root root,
32	struct btrfs_key key, struct btrfs_root_item item);
33	int btrfs_find_root(struct btrfs_root root, const struct btrfs_key search_key,
34	struct btrfs_path path, struct btrfs_root_item root_item,
35	struct btrfs_key *root_key);
36	int btrfs_find_orphan_roots(struct btrfs_fs_info *fs_info);
37	void btrfs_set_root_node(struct btrfs_root_item *item,
38	struct extent_buffer *node);
39	void btrfs_check_and_init_root_item(struct btrfs_root_item *item);
40	void btrfs_update_root_times(struct btrfs_trans_handle trans, struct btrfs_root root);
41
42	#endif