fix dn.volumes Iterate when write issue

5 years ago · dad1161c70
1 changed files with 2 additions and 0 deletions
--- a/weed/topology/data_node.go
+++ b/weed/topology/data_node.go
@ -199,6 +199,8 @@ func (dn *DataNode) ToDataNodeInfo() *master_pb.DataNodeInfo {

 // GetVolumeIds returns the human readable volume ids limited to count of max 100.
 func (dn *DataNode) GetVolumeIds() string {
+	dn.RLock()
+	defer dn.RUnlock()
 	ids := make([]int, 0, len(dn.volumes))

 	for k := range dn.volumes {