优化代码

internal/caches/storage_file.go

@@ -770,6 +770,7 @@ func (this *FileStorage) CleanAll() error {
 	var dirNameReg = regexp.MustCompile(`^[0-9a-f]{2}$`)
 	for _, rootDir := range rootDirs {
 		var dir = rootDir + "/p" + types.String(this.policy.Id)
+		err = func(dir string) error {
 			fp, err := os.Open(dir)
 			if err != nil {
 				return err
@@ -815,6 +816,12 @@ func (this *FileStorage) CleanAll() error {
 					remotelogs.Warn("CACHE", "delete '*-deleted' dirs failed: "+err.Error())
 				}
 			})
+
+			return nil
+		}(dir)
+		if err != nil {
+			return err
+		}
 	}
 
 	return nil