rdmab_length
rtype = buf->len < rdmab_length(req->rl_sendbuf) ?
if (unlikely(rdmab_length(rb) < size)) {
rdmab_length(rb), rb->rg_direction);
ib_dma_unmap_single(rb->rg_device, rdmab_addr(rb), rdmab_length(rb),
xdr_buf_init(&req->rl_hdrbuf, rdmab_data(rb), rdmab_length(rb));
rdmab_length(rep->rr_rdmabuf));