sunrpc: add _print_rpc_iostats() to output metrics for one RPC op

Refactor the output of the metrics for one RPC op into an internal
function.  No functional change.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

net/sunrpc/stats.c

@@ -208,6 +208,21 @@ static void _print_name(struct seq_file *seq, unsigned int op,
 		seq_printf(seq, "\t%12u: ", op);
 }
 
+static void _print_rpc_iostats(struct seq_file *seq, struct rpc_iostats *stats,
+			       int op, const struct rpc_procinfo *procs)
+{
+	_print_name(seq, op, procs);
+	seq_printf(seq, "%lu %lu %lu %Lu %Lu %Lu %Lu %Lu\n",
+		   stats->om_ops,
+		   stats->om_ntrans,
+		   stats->om_timeouts,
+		   stats->om_bytes_sent,
+		   stats->om_bytes_recv,
+		   ktime_to_ms(stats->om_queue),
+		   ktime_to_ms(stats->om_rtt),
+		   ktime_to_ms(stats->om_execute));
+}
+
 void rpc_print_iostats(struct seq_file *seq, struct rpc_clnt *clnt)
 {
 	struct rpc_iostats *stats = clnt->cl_metrics;
@@ -229,17 +244,7 @@ void rpc_print_iostats(struct seq_file *seq, struct rpc_clnt *clnt)
 
 	seq_printf(seq, "\tper-op statistics\n");
 	for (op = 0; op < maxproc; op++) {
-		struct rpc_iostats *metrics = &stats[op];
-		_print_name(seq, op, clnt->cl_procinfo);
-		seq_printf(seq, "%lu %lu %lu %Lu %Lu %Lu %Lu %Lu\n",
-				metrics->om_ops,
-				metrics->om_ntrans,
-				metrics->om_timeouts,
-				metrics->om_bytes_sent,
-				metrics->om_bytes_recv,
-				ktime_to_ms(metrics->om_queue),
-				ktime_to_ms(metrics->om_rtt),
-				ktime_to_ms(metrics->om_execute));
+		_print_rpc_iostats(seq, &stats[op], op, clnt->cl_procinfo);
 	}
 }
 EXPORT_SYMBOL_GPL(rpc_print_iostats);