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| author | Chuck Lever <chuck.lever@oracle.com> | 2021-04-11 21:19:08 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2021-04-14 19:09:27 +0300 |
| commit | 8727f78855b8d770b192949adbb1425092529e0f (patch) | |
| tree | 1599059074e718bed3e9e034f219e1ca400de19b /net/sunrpc/xprtrdma | |
| parent | c7731d5e055453191a240d526c9d9e778ae2fce2 (diff) | |
| download | linux-8727f78855b8d770b192949adbb1425092529e0f.tar.xz | |
svcrdma: Pass a useful error code to the send_err tracepoint
Capture error codes in @ret, which is passed to the send_err
tracepoint, so that they can be logged when something goes awry.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc/xprtrdma')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_sendto.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c index a3b0f5899f03..d6bbafb773e1 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c +++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c @@ -921,6 +921,7 @@ int svc_rdma_sendto(struct svc_rqst *rqstp) struct svc_rdma_recv_ctxt *rctxt = rqstp->rq_xprt_ctxt; __be32 *rdma_argp = rctxt->rc_recv_buf; struct svc_rdma_send_ctxt *sctxt; + unsigned int rc_size; __be32 *p; int ret; @@ -933,6 +934,7 @@ int svc_rdma_sendto(struct svc_rqst *rqstp) if (!sctxt) goto drop_connection; + ret = -EMSGSIZE; p = xdr_reserve_space(&sctxt->sc_stream, rpcrdma_fixed_maxsz * sizeof(*p)); if (!p) @@ -941,17 +943,21 @@ int svc_rdma_sendto(struct svc_rqst *rqstp) ret = svc_rdma_send_reply_chunk(rdma, rctxt, &rqstp->rq_res); if (ret < 0) goto reply_chunk; + rc_size = ret; *p++ = *rdma_argp; *p++ = *(rdma_argp + 1); *p++ = rdma->sc_fc_credits; *p = pcl_is_empty(&rctxt->rc_reply_pcl) ? rdma_msg : rdma_nomsg; - if (svc_rdma_encode_read_list(sctxt) < 0) + ret = svc_rdma_encode_read_list(sctxt); + if (ret < 0) goto put_ctxt; - if (svc_rdma_encode_write_list(rctxt, sctxt) < 0) + ret = svc_rdma_encode_write_list(rctxt, sctxt); + if (ret < 0) goto put_ctxt; - if (svc_rdma_encode_reply_chunk(rctxt, sctxt, ret) < 0) + ret = svc_rdma_encode_reply_chunk(rctxt, sctxt, rc_size); + if (ret < 0) goto put_ctxt; ret = svc_rdma_send_reply_msg(rdma, sctxt, rctxt, rqstp); |