Final refactor: Replace internals of svc_rdma_send_error() with a simple call to svc_rdma_send_error_msg(). Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx> --- net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 52 +++---------------------------- 1 file changed, 5 insertions(+), 47 deletions(-) diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c index 60d855116ae7..c072ce61b393 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c @@ -714,58 +714,16 @@ static void rdma_read_complete(struct svc_rqst *rqstp, rqstp->rq_arg.buflen = head->rc_arg.buflen; } -static void svc_rdma_send_error(struct svcxprt_rdma *xprt, +static void svc_rdma_send_error(struct svcxprt_rdma *rdma, struct svc_rdma_recv_ctxt *rctxt, int status) { - __be32 *p, *rdma_argp = rctxt->rc_recv_buf; - struct svc_rdma_send_ctxt *ctxt; - int ret; + struct svc_rdma_send_ctxt *sctxt; - ctxt = svc_rdma_send_ctxt_get(xprt); - if (!ctxt) + sctxt = svc_rdma_send_ctxt_get(rdma); + if (!sctxt) return; - - p = xdr_reserve_space(&ctxt->sc_stream, - rpcrdma_fixed_maxsz * sizeof(*p)); - if (!p) - goto put_ctxt; - - *p++ = *rdma_argp; - *p++ = *(rdma_argp + 1); - *p++ = xprt->sc_fc_credits; - *p = rdma_error; - - switch (status) { - case -EPROTONOSUPPORT: - p = xdr_reserve_space(&ctxt->sc_stream, 3 * sizeof(*p)); - if (!p) - goto put_ctxt; - - *p++ = err_vers; - *p++ = rpcrdma_version; - *p = rpcrdma_version; - trace_svcrdma_err_vers(*rdma_argp); - break; - default: - p = xdr_reserve_space(&ctxt->sc_stream, sizeof(*p)); - if (!p) - goto put_ctxt; - - *p = err_chunk; - trace_svcrdma_err_chunk(*rdma_argp); - } - - ctxt->sc_send_wr.num_sge = 1; - ctxt->sc_send_wr.opcode = IB_WR_SEND; - ctxt->sc_sges[0].length = ctxt->sc_hdrbuf.len; - ret = svc_rdma_send(xprt, &ctxt->sc_send_wr); - if (ret) - goto put_ctxt; - return; - -put_ctxt: - svc_rdma_send_ctxt_put(xprt, ctxt); + svc_rdma_send_error_msg(rdma, sctxt, rctxt, status); } /* By convention, backchannel calls arrive via rdma_msg type