small refactoring

weed/filer/filer_delete_entry.go

@@ -55,7 +55,7 @@ func (f *Filer) DeleteEntryMetaAndData(ctx context.Context, p util.FullPath, isR
 
 	if isDeleteCollection {
 		collectionName := entry.Name()
-		f.doDeleteCollection(collectionName)
+		f.DoDeleteCollection(collectionName)
 	}
 
 	return nil
@@ -133,7 +133,7 @@ func (f *Filer) doDeleteEntryMetaAndData(ctx context.Context, entry *Entry, shou
 	return nil
 }
 
-func (f *Filer) doDeleteCollection(collectionName string) (err error) {
+func (f *Filer) DoDeleteCollection(collectionName string) (err error) {
 
 	return f.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
 		_, err := client.CollectionDelete(context.Background(), &master_pb.CollectionDeleteRequest{

weed/server/filer_grpc_server.go

@@ -363,12 +363,7 @@ func (fs *FilerServer) DeleteCollection(ctx context.Context, req *filer_pb.Delet
 
 	glog.V(4).Infof("DeleteCollection %v", req)
 
-	err = fs.filer.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
-		_, err := client.CollectionDelete(context.Background(), &master_pb.CollectionDeleteRequest{
-			Name: req.GetCollection(),
-		})
-		return err
-	})
+	err = fs.filer.DoDeleteCollection(req.GetCollection())
 
 	return &filer_pb.DeleteCollectionResponse{}, err
 }