truncate_nodes    940 fs/f2fs/node.c 			ret = truncate_nodes(&rdn, child_nofs, 0, depth - 1);
truncate_nodes   1099 fs/f2fs/node.c 			err = truncate_nodes(&dn, nofs, offset[1], 2);
truncate_nodes   1103 fs/f2fs/node.c 			err = truncate_nodes(&dn, nofs, offset[1], 3);