if mtimeValid || etagOnly {
			fmt.Fprintf(h, "%v", meta.XLV1)
			if !etagOnly {
				// Verify dataDir is same only when mtime is valid and etag is not considered.
				fmt.Fprintf(h, "%v", meta.GetDataDir())
			}
			for _, part := range meta.Parts {
				fmt.Fprintf(h, "part.%d", part.Number)
			}

			if !meta.Deleted && meta.Size != 0 {