rename: handle hard links

weed/filer/filerstore_hardlink.go

@@ -9,13 +9,17 @@ import (
 )
 
 func (fsw *FilerStoreWrapper) handleUpdateToHardLinks(ctx context.Context, entry *Entry) error {
-	if len(entry.HardLinkId) == 0 {
+
+	if entry.IsDirectory() {
 		return nil
 	}
+
+	if len(entry.HardLinkId) > 0 {
 		// handle hard links
 		if err := fsw.setHardLink(ctx, entry); err != nil {
 			return fmt.Errorf("setHardLink %d: %v", entry.HardLinkId, err)
 		}
+	}
 
 	// check what is existing entry
 	glog.V(4).Infof("handleUpdateToHardLinks FindEntry %s", entry.FullPath)