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1/* SPDX-License-Identifier: GPL-2.0 */2 3#ifndef BTRFS_ROOT_TREE_H4#define BTRFS_ROOT_TREE_H5 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#endif43