replace PR https://github.com/seaweedfs/seaweedfs/pull/3621

replace https://github.com/seaweedfs/seaweedfs/pull/3621
2022-09-10 11:22:16 -07:00
parent 205ecb5d03
commit 576c113c59
3 changed files with 9 additions and 3 deletions
--- a/weed/topology/topology.go
+++ b/weed/topology/topology.go
@@ -258,7 +258,9 @@ func (t *Topology) UnRegisterVolumeLayout(v storage.VolumeInfo, dn *DataNode) {
 }

 func (t *Topology) GetOrCreateDataCenter(dcName string) *DataCenter {
-	for _, c := range t.Children() {
+	t.Lock()
+	defer t.Unlock()
+	for _, c := range t.children {
 		dc := c.(*DataCenter)
 		if string(dc.Id()) == dcName {
 			return dc