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svcrdma: Record send_ctxt completion ID in trace_svcrdma_post_send()

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First, refactor: Dereference the svc_rdma_send_ctxt inside
svc_rdma_send() instead of at every call site.

Then, it can be passed into trace_svcrdma_post_send() to get the
proper completion ID.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever
2020-04-29 11:05:33 -04:00
parent 3ac56c2fb1
commit 17f70f8dd5
4 changed files with 20 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/sunrpc/xprtrdma/svc_rdma_backchannel.c
View File

@@ -87,7 +87,7 @@ static int svc_rdma_bc_sendto(struct svcxprt_rdma *rdma,
*/
get_page(virt_to_page(rqst->rq_buffer));
ctxt->sc_send_wr.opcode = IB_WR_SEND;
return svc_rdma_send(rdma, &ctxt->sc_send_wr);
return svc_rdma_send(rdma, ctxt);
}
/* Server-side transport endpoint wants a whole page for its send

11
net/sunrpc/xprtrdma/svc_rdma_sendto.c
View File

@@ -298,13 +298,14 @@ static void svc_rdma_wc_send(struct ib_cq *cq, struct ib_wc *wc)
/**
* svc_rdma_send - Post a single Send WR
* @rdma: transport on which to post the WR
* @wr: prepared Send WR to post
* @ctxt: send ctxt with a Send WR ready to post
*
* Returns zero the Send WR was posted successfully. Otherwise, a
* negative errno is returned.
*/
int svc_rdma_send(struct svcxprt_rdma *rdma, struct ib_send_wr *wr)
int svc_rdma_send(struct svcxprt_rdma *rdma, struct svc_rdma_send_ctxt *ctxt)
{
struct ib_send_wr *wr = &ctxt->sc_send_wr;
int ret;
might_sleep();
@@ -330,7 +331,7 @@ int svc_rdma_send(struct svcxprt_rdma *rdma, struct ib_send_wr *wr)
}
svc_xprt_get(&rdma->sc_xprt);
trace_svcrdma_post_send(wr);
trace_svcrdma_post_send(ctxt);
ret = ib_post_send(rdma->sc_qp, wr, NULL);
if (ret)
break;
@@ -805,7 +806,7 @@ static int svc_rdma_send_reply_msg(struct svcxprt_rdma *rdma,
} else {
sctxt->sc_send_wr.opcode = IB_WR_SEND;
}
return svc_rdma_send(rdma, &sctxt->sc_send_wr);
return svc_rdma_send(rdma, sctxt);
}
/**
@@ -869,7 +870,7 @@ void svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
sctxt->sc_send_wr.num_sge = 1;
sctxt->sc_send_wr.opcode = IB_WR_SEND;
sctxt->sc_sges[0].length = sctxt->sc_hdrbuf.len;
if (svc_rdma_send(rdma, &sctxt->sc_send_wr))
if (svc_rdma_send(rdma, sctxt))
goto put_ctxt;
return;