__get_node_folio
return __get_node_folio(sbi, nid, NULL, 0, node_type);
return __get_node_folio(sbi, ino, NULL, 0, NODE_TYPE_INODE);
return __get_node_folio(sbi, xnid, NULL, 0, NODE_TYPE_XATTR);
return __get_node_folio(sbi, nid, parent, start, NODE_TYPE_REGULAR);