From abbefc9e25464b6d7414fe8153b726a1e7beff11 Mon Sep 17 00:00:00 2001
From: Gyu-Ho Lee <gyuhox@gmail.com>
Date: Fri, 22 Jul 2016 16:54:11 -0700
Subject: [PATCH] grpcproxy: define 'watchergroups' in pointer

To avoid copying mutex lock values
---
 proxy/grpcproxy/watch.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/proxy/grpcproxy/watch.go b/proxy/grpcproxy/watch.go
index c3f7761c3..573b23cfb 100644
--- a/proxy/grpcproxy/watch.go
+++ b/proxy/grpcproxy/watch.go
@@ -50,7 +50,7 @@ func (wp *watchProxy) Watch(stream pb.Watch_WatchServer) (err error) {
 
 	sws := serverWatchStream{
 		c:      wp.c,
-		groups: wp.wgs,
+		groups: &wp.wgs,
 
 		id:         wp.nextStreamID,
 		gRPCStream: stream,
@@ -71,7 +71,7 @@ type serverWatchStream struct {
 	c  *clientv3.Client
 
 	mu      sync.Mutex // make sure any access of groups and singles is atomic
-	groups  watchergroups
+	groups  *watchergroups
 	singles map[int64]*watcherSingle
 
 	gRPCStream pb.Watch_WatchServer