svcrdma: trace undersized Write chunks

Clean up: Replace a dprintk call site.

This is the last remaining dprintk call site in svc_rdma_rw.c, so
remove dprintk infrastructure as well.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
index d6da6b8d521d..c046b198072a 100644
--- a/include/trace/events/rpcrdma.h
+++ b/include/trace/events/rpcrdma.h
@@ -1665,6 +1665,38 @@ TRACE_EVENT(svcrdma_page_overrun_err,
 	)
 );
 
+TRACE_EVENT(svcrdma_small_wrch_err,
+	TP_PROTO(
+		const struct svcxprt_rdma *rdma,
+		unsigned int remaining,
+		unsigned int seg_no,
+		unsigned int num_segs
+	),
+
+	TP_ARGS(rdma, remaining, seg_no, num_segs),
+
+	TP_STRUCT__entry(
+		__field(unsigned int, remaining)
+		__field(unsigned int, seg_no)
+		__field(unsigned int, num_segs)
+		__string(device, rdma->sc_cm_id->device->name)
+		__string(addr, rdma->sc_xprt.xpt_remotebuf)
+	),
+
+	TP_fast_assign(
+		__entry->remaining = remaining;
+		__entry->seg_no = seg_no;
+		__entry->num_segs = num_segs;
+		__assign_str(device, rdma->sc_cm_id->device->name);
+		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
+	),
+
+	TP_printk("addr=%s device=%s remaining=%u seg_no=%u num_segs=%u",
+		__get_str(addr), __get_str(device), __entry->remaining,
+		__entry->seg_no, __entry->num_segs
+	)
+);
+
 TRACE_EVENT(svcrdma_send_pullup,
 	TP_PROTO(
 		unsigned int len