def subvol_snapshot(self, source, destination, read_only=False):
        """
        Take a snapshot

        :param source: source path of subvol
        :param destination: destination path of snapshot
        :param read_only: Set read-only on the snapshot
        :return:
        """

        args = {
            "source": source,
            "destination": destination,
            "read_only": read_only,
        }

        self._subvol_snapshot_chk.check(args)
        self._client.sync('btrfs.subvol_snapshot', args)
Take a snapshot

        :param source: source path of subvol
        :param destination: destination path of snapshot
        :param read_only: Set read-only on the snapshot
        :return: