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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>
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parent
c7731d5e05
commit
8727f78855
1 changed files with 9 additions and 3 deletions
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@ -921,6 +921,7 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
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struct svc_rdma_recv_ctxt *rctxt = rqstp->rq_xprt_ctxt;
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struct svc_rdma_recv_ctxt *rctxt = rqstp->rq_xprt_ctxt;
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__be32 *rdma_argp = rctxt->rc_recv_buf;
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__be32 *rdma_argp = rctxt->rc_recv_buf;
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struct svc_rdma_send_ctxt *sctxt;
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struct svc_rdma_send_ctxt *sctxt;
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unsigned int rc_size;
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__be32 *p;
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__be32 *p;
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int ret;
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int ret;
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@ -933,6 +934,7 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
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if (!sctxt)
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if (!sctxt)
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goto drop_connection;
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goto drop_connection;
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ret = -EMSGSIZE;
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p = xdr_reserve_space(&sctxt->sc_stream,
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p = xdr_reserve_space(&sctxt->sc_stream,
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rpcrdma_fixed_maxsz * sizeof(*p));
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rpcrdma_fixed_maxsz * sizeof(*p));
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if (!p)
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if (!p)
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@ -941,17 +943,21 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
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ret = svc_rdma_send_reply_chunk(rdma, rctxt, &rqstp->rq_res);
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ret = svc_rdma_send_reply_chunk(rdma, rctxt, &rqstp->rq_res);
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if (ret < 0)
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if (ret < 0)
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goto reply_chunk;
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goto reply_chunk;
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rc_size = ret;
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*p++ = *rdma_argp;
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*p++ = *rdma_argp;
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*p++ = *(rdma_argp + 1);
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*p++ = *(rdma_argp + 1);
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*p++ = rdma->sc_fc_credits;
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*p++ = rdma->sc_fc_credits;
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*p = pcl_is_empty(&rctxt->rc_reply_pcl) ? rdma_msg : rdma_nomsg;
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*p = pcl_is_empty(&rctxt->rc_reply_pcl) ? rdma_msg : rdma_nomsg;
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if (svc_rdma_encode_read_list(sctxt) < 0)
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ret = svc_rdma_encode_read_list(sctxt);
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if (ret < 0)
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goto put_ctxt;
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goto put_ctxt;
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if (svc_rdma_encode_write_list(rctxt, sctxt) < 0)
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ret = svc_rdma_encode_write_list(rctxt, sctxt);
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if (ret < 0)
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goto put_ctxt;
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goto put_ctxt;
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if (svc_rdma_encode_reply_chunk(rctxt, sctxt, ret) < 0)
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ret = svc_rdma_encode_reply_chunk(rctxt, sctxt, rc_size);
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if (ret < 0)
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goto put_ctxt;
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goto put_ctxt;
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ret = svc_rdma_send_reply_msg(rdma, sctxt, rctxt, rqstp);
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ret = svc_rdma_send_reply_msg(rdma, sctxt, rctxt, rqstp);
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