OP_READ_PLUS
status = decode_op_hdr(xdr, OP_READ_PLUS);
encode_op_hdr(xdr, OP_READ_PLUS, decode_read_plus_maxsz, hdr);
[OP_READ_PLUS] = {
[OP_READ_PLUS] = nfsd4_decode_read,
if (op->opnum == OP_READ || op->opnum == OP_READ_PLUS) {
[OP_READ_PLUS] = nfsd4_encode_read_plus,