fs/bcachefs/btree_update_interior.c:153: warning: expecting prototype for btree_node_format_fits(). Prototype was for bch2_btree_node_format_fits() instead. fs/bcachefs/btree_update_interior.c:1235: warning: expecting prototype for bch_btree_set_root(). Prototype was for bch2_btree_set_root() instead. fs/bcachefs/btree_update_interior.c:1678: warning: expecting prototype for bch_btree_insert_node(). Prototype was for bch2_btree_insert_node() instead. fs/bcachefs/btree_update_interior.c:1944: warning: expecting prototype for bch_btree_node_rewrite(). Prototype was for bch2_btree_node_rewrite() instead. In the following kernel version: name: linux-next url: http://kernel.source.codeaurora.cn/pub/scm/linux/kernel/git/next/linux-next.git branch: next-20230912 commit: 3c13c772fc233a10342c8e1605ff0855dfdf0c89