protected void finalize() throws Throwable {
        maybeWarnAboutCleanUp();

        super.finalize();
    }

    public File createFile(String filename, String content, String encoding) throws IOException {
        File dir = createTempDir();
        return createFile(dir, filename, content, encoding);
    }

		return nil, err
	}
	return d.disk.ReadFileStream(ctx, volume, path, offset, length)
}

func (d *naughtyDisk) CreateFile(ctx context.Context, origvolume, volume, path string, size int64, reader io.Reader) error {
	if err := d.calcError(); err != nil {
		return err
	}
	return d.disk.CreateFile(ctx, origvolume, volume, path, size, reader)
}

	ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (n int64, err error)
	AppendFile(ctx context.Context, volume string, path string, buf []byte) (err error)
	CreateFile(ctx context.Context, origvolume, olume, path string, size int64, reader io.Reader) error
	ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error)