1 files changed, 12 insertions, 5 deletions

diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c
index 32adddd7fb78..ffae7c2245b1 100644
--- a/net/sunrpc/stats.c
+++ b/net/sunrpc/stats.c
@@ -235,13 +235,12 @@ static void _print_rpc_iostats(struct seq_file *seq, struct rpc_iostats *stats,
                    ktime_to_ms(stats->om_execute));
 }
 
-void rpc_print_iostats(struct seq_file *seq, struct rpc_clnt *clnt)
+void rpc_clnt_show_stats(struct seq_file *seq, struct rpc_clnt *clnt)
 {
-        struct rpc_iostats *stats = clnt->cl_metrics;
         struct rpc_xprt *xprt;
         unsigned int op, maxproc = clnt->cl_maxproc;
 
-        if (!stats)
+        if (!clnt->cl_metrics)
                 return;
 
         seq_printf(seq, "\tRPC iostats version: %s  ", RPC_IOSTATS_VERS);
@@ -256,10 +255,18 @@ 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++) {
-                _print_rpc_iostats(seq, &stats[op], op, clnt->cl_procinfo);
+                struct rpc_iostats stats = {};
+                struct rpc_clnt *next = clnt;
+                do {
+                        _add_rpc_iostats(&stats, &next->cl_metrics[op]);
+                        if (next == next->cl_parent)
+                                break;
+                        next = next->cl_parent;
+                } while (next);
+                _print_rpc_iostats(seq, &stats, op, clnt->cl_procinfo);
         }
 }
-EXPORT_SYMBOL_GPL(rpc_print_iostats);
+EXPORT_SYMBOL_GPL(rpc_clnt_show_stats);
 
 /*
  * Register/unregister RPC proc files