5281 static bool visit_node_for_delete(struct btrfs_root *root, struct walk_control *wc,  in visit_node_for_delete()
5337 				     struct walk_control *wc,  in reada_walk_down()
5416 				   struct walk_control *wc)  in walk_down_proc()
5566 				     struct walk_control *wc,  in check_next_block_uptodate()
5611 				struct btrfs_path *path, struct walk_control *wc,  in maybe_drop_reference()
5700 				 struct walk_control *wc)  in do_walk_down()
5812 				 struct walk_control *wc)  in walk_up_proc()
5949 				   struct walk_control *wc)  in walk_down_tree()
5998 				 struct walk_control *wc, int max_level)  in walk_up_tree()
6051 	struct walk_control *wc;  in btrfs_drop_snapshot()  local
6324 	struct walk_control *wc;  in btrfs_drop_subtree()  local