fs/btrfs/root-tree.h

   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