diff options
Diffstat (limited to 'fs/btrfs/root-tree.h')
| -rw-r--r-- | fs/btrfs/root-tree.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/fs/btrfs/root-tree.h b/fs/btrfs/root-tree.h new file mode 100644 index 000000000000..8f5739e732b9 --- /dev/null +++ b/fs/btrfs/root-tree.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef BTRFS_ROOT_TREE_H +#define BTRFS_ROOT_TREE_H + +#include <linux/types.h> + +struct fscrypt_str; +struct extent_buffer; +struct btrfs_key; +struct btrfs_root; +struct btrfs_root_item; +struct btrfs_path; +struct btrfs_fs_info; +struct btrfs_block_rsv; +struct btrfs_trans_handle; + +int btrfs_subvolume_reserve_metadata(struct btrfs_root *root, + struct btrfs_block_rsv *rsv, + int nitems, bool use_global_rsv); +int btrfs_add_root_ref(struct btrfs_trans_handle *trans, u64 root_id, + u64 ref_id, u64 dirid, u64 sequence, + const struct fscrypt_str *name); +int btrfs_del_root_ref(struct btrfs_trans_handle *trans, u64 root_id, + u64 ref_id, u64 dirid, u64 *sequence, + const struct fscrypt_str *name); +int btrfs_del_root(struct btrfs_trans_handle *trans, const struct btrfs_key *key); +int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root *root, + const struct btrfs_key *key, + struct btrfs_root_item *item); +int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root *root, + struct btrfs_key *key, struct btrfs_root_item *item); +int btrfs_find_root(struct btrfs_root *root, const struct btrfs_key *search_key, + struct btrfs_path *path, struct btrfs_root_item *root_item, + struct btrfs_key *root_key); +int btrfs_find_orphan_roots(struct btrfs_fs_info *fs_info); +void btrfs_set_root_node(struct btrfs_root_item *item, + struct extent_buffer *node); +void btrfs_check_and_init_root_item(struct btrfs_root_item *item); +void btrfs_update_root_times(struct btrfs_trans_handle *trans, struct btrfs_root *root); + +#endif |