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