1 files changed, 72 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.h b/fs/btrfs/extent-tree.h
new file mode 100644
index 000000000000..b3674b008d58
--- /dev/null
+++ b/fs/btrfs/extent-tree.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef BTRFS_EXTENT_TREE_H
+#define BTRFS_EXTENT_TREE_H
+
+enum btrfs_inline_ref_type {
+	BTRFS_REF_TYPE_INVALID,
+	BTRFS_REF_TYPE_BLOCK,
+	BTRFS_REF_TYPE_DATA,
+	BTRFS_REF_TYPE_ANY,
+};
+
+int btrfs_get_extent_inline_ref_type(const struct extent_buffer *eb,
+				     struct btrfs_extent_inline_ref *iref,
+				     enum btrfs_inline_ref_type is_data);
+u64 hash_extent_data_ref(u64 root_objectid, u64 owner, u64 offset);
+
+int btrfs_add_excluded_extent(struct btrfs_fs_info *fs_info,
+			      u64 start, u64 num_bytes);
+void btrfs_free_excluded_extents(struct btrfs_block_group *cache);
+int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, unsigned long count);
+void btrfs_cleanup_ref_head_accounting(struct btrfs_fs_info *fs_info,
+				  struct btrfs_delayed_ref_root *delayed_refs,
+				  struct btrfs_delayed_ref_head *head);
+int btrfs_lookup_data_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len);
+int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans,
+			     struct btrfs_fs_info *fs_info, u64 bytenr,
+			     u64 offset, int metadata, u64 *refs, u64 *flags);
+int btrfs_pin_extent(struct btrfs_trans_handle *trans, u64 bytenr, u64 num,
+		     int reserved);
+int btrfs_pin_extent_for_log_replay(struct btrfs_trans_handle *trans,
+				    u64 bytenr, u64 num_bytes);
+int btrfs_exclude_logged_extents(struct extent_buffer *eb);
+int btrfs_cross_ref_exist(struct btrfs_root *root,
+			  u64 objectid, u64 offset, u64 bytenr, bool strict,
+			  struct btrfs_path *path);
+struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
+					     struct btrfs_root *root,
+					     u64 parent, u64 root_objectid,
+					     const struct btrfs_disk_key *key,
+					     int level, u64 hint,
+					     u64 empty_size,
+					     enum btrfs_lock_nesting nest);
+void btrfs_free_tree_block(struct btrfs_trans_handle *trans,
+			   u64 root_id,
+			   struct extent_buffer *buf,
+			   u64 parent, int last_ref);
+int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans,
+				     struct btrfs_root *root, u64 owner,
+				     u64 offset, u64 ram_bytes,
+				     struct btrfs_key *ins);
+int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans,
+				   u64 root_objectid, u64 owner, u64 offset,
+				   struct btrfs_key *ins);
+int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes, u64 num_bytes,
+			 u64 min_alloc_size, u64 empty_size, u64 hint_byte,
+			 struct btrfs_key *ins, int is_data, int delalloc);
+int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
+		  struct extent_buffer *buf, int full_backref);
+int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
+		  struct extent_buffer *buf, int full_backref);
+int btrfs_set_disk_extent_flags(struct btrfs_trans_handle *trans,
+				struct extent_buffer *eb, u64 flags, int level);
+int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_ref *ref);
+
+int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
+			       u64 start, u64 len, int delalloc);
+int btrfs_pin_reserved_extent(struct btrfs_trans_handle *trans, u64 start, u64 len);
+int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans);
+int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, struct btrfs_ref *generic_ref);
+
+#endif