Fixes a default config bug of gc scheduler

Yanqiang Miao · dmcgowan · commit 3d34cc01cfc3 · 2018-03-22T16:24:53.000-07:00
Signed-off-by: Yanqiang Miao &lt;miao.yanqiang@zte.com.cn&gt;
diff --git a/gc/scheduler/scheduler.go b/gc/scheduler/scheduler.go
@@ -75,6 +75,10 @@ func (d *duration) UnmarshalText(text []byte) error {
 	return nil
 }
 
+func (d duration) MarshalText() (text []byte, err error) {
+	return []byte(time.Duration(d).String()), nil
+}
+
 func init() {
 	plugin.Register(&plugin.Registration{
 		Type: plugin.GCPlugin,
