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Subject: [PATCH v2 08/21] xprtrdma: Rename CQE field in Receive trace points
From:   Chuck Lever <chuck.lever@oracle.com>
To:     anna.schumaker@netapp.com
Cc:     linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org
Date:   Mon, 19 Aug 2019 18:41:44 -0400
Message-ID: <156625448455.8161.8551241541431387600.stgit@seurat29.1015granger.net>
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References: <156625401091.8161.14744201497689200191.stgit@seurat29.1015granger.net>
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Make the field name the same for all trace points that handle
pointers to struct rpcrdma_rep. That makes it easy to grep for
matching rep points in trace output.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 include/trace/events/rpcrdma.h |   21 +++++++++++----------
 net/sunrpc/xprtrdma/verbs.c    |    2 +-
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
index f6a4eaa85a3e..6e6055eb67e7 100644
--- a/include/trace/events/rpcrdma.h
+++ b/include/trace/events/rpcrdma.h
@@ -623,21 +623,21 @@ TRACE_EVENT(xprtrdma_post_send,
 
 TRACE_EVENT(xprtrdma_post_recv,
 	TP_PROTO(
-		const struct ib_cqe *cqe
+		const struct rpcrdma_rep *rep
 	),
 
-	TP_ARGS(cqe),
+	TP_ARGS(rep),
 
 	TP_STRUCT__entry(
-		__field(const void *, cqe)
+		__field(const void *, rep)
 	),
 
 	TP_fast_assign(
-		__entry->cqe = cqe;
+		__entry->rep = rep;
 	),
 
-	TP_printk("cqe=%p",
-		__entry->cqe
+	TP_printk("rep=%p",
+		__entry->rep
 	)
 );
 
@@ -715,14 +715,15 @@ TRACE_EVENT(xprtrdma_wc_receive,
 	TP_ARGS(wc),
 
 	TP_STRUCT__entry(
-		__field(const void *, cqe)
+		__field(const void *, rep)
 		__field(u32, byte_len)
 		__field(unsigned int, status)
 		__field(u32, vendor_err)
 	),
 
 	TP_fast_assign(
-		__entry->cqe = wc->wr_cqe;
+		__entry->rep = container_of(wc->wr_cqe, struct rpcrdma_rep,
+					    rr_cqe);
 		__entry->status = wc->status;
 		if (wc->status) {
 			__entry->byte_len = 0;
@@ -733,8 +734,8 @@ TRACE_EVENT(xprtrdma_wc_receive,
 		}
 	),
 
-	TP_printk("cqe=%p %u bytes: %s (%u/0x%x)",
-		__entry->cqe, __entry->byte_len,
+	TP_printk("rep=%p %u bytes: %s (%u/0x%x)",
+		__entry->rep, __entry->byte_len,
 		rdma_show_wc_status(__entry->status),
 		__entry->status, __entry->vendor_err
 	)
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index e639ea0faf19..3c275a7a4e4c 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1531,7 +1531,7 @@ rpcrdma_post_recvs(struct rpcrdma_xprt *r_xprt, bool temp)
 		if (!rpcrdma_regbuf_dma_map(r_xprt, rep->rr_rdmabuf))
 			goto release_wrs;
 
-		trace_xprtrdma_post_recv(rep->rr_recv_wr.wr_cqe);
+		trace_xprtrdma_post_recv(rep);
 		++count;
 	}