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

 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
 8struct fscrypt_str;
 9struct extent_buffer;
10struct btrfs_key;
11struct btrfs_root;
12struct btrfs_root_item;
13struct btrfs_path;
14struct btrfs_fs_info;
15struct btrfs_block_rsv;
16struct btrfs_trans_handle;
17
18int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,
19				     struct btrfs_block_rsv *rsv,
20				     int nitems, bool use_global_rsv);
 
 
21int 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);
24int 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);
27int btrfs_del_root(struct btrfs_trans_handle *trans, const struct btrfs_key *key);
28int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,
29		      const struct btrfs_key *key,
30		      struct btrfs_root_item *item);
31int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,
32		      struct btrfs_key *key, struct btrfs_root_item *item);
 
 
33int 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);
36int btrfs_find_orphan_roots(struct btrfs_fs_info *fs_info);
37void btrfs_set_root_node(struct btrfs_root_item *item,
38			 struct extent_buffer *node);
39void btrfs_check_and_init_root_item(struct btrfs_root_item *item);
40void btrfs_update_root_times(struct btrfs_trans_handle *trans, struct btrfs_root *root);
41
42#endif