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| author | Chuck Lever <chuck.lever@oracle.com> | 2020-03-24 17:57:18 -0400 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2020-07-13 17:28:24 -0400 |
| commit | ba6cc97738a15751350d3f85a6b856e4d6d4c202 (patch) | |
| tree | d85a59c391053b06a17d12e064f928bb30d64f57 /net/sunrpc | |
| parent | c65b326b1eb983bca35ed43d0e453d1b15705f10 (diff) | |
| download | linux-ba6cc97738a15751350d3f85a6b856e4d6d4c202.tar.gz linux-ba6cc97738a15751350d3f85a6b856e4d6d4c202.tar.bz2 linux-ba6cc97738a15751350d3f85a6b856e4d6d4c202.zip | |
svcrdma: Consolidate send_error helper functions
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@oracle.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 52 |
1 files 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 |