rdmab_data
xdr_buf_init(&rqst->rq_snd_buf, rdmab_data(req->rl_sendbuf), size);
rdmab_data(req->rl_rdmabuf), rqst);
xdr_init_encode(xdr, &req->rl_hdrbuf, rdmab_data(req->rl_rdmabuf),
rqst->rq_buffer = rdmab_data(req->rl_sendbuf);
rqst->rq_rbuffer = rdmab_data(req->rl_recvbuf);
rb->rg_iov.addr = ib_dma_map_single(device, rdmab_data(rb),
xdr_buf_init(&req->rl_hdrbuf, rdmab_data(rb), rdmab_length(rb));
xdr_buf_init(&rep->rr_hdrbuf, rdmab_data(rep->rr_rdmabuf),