code: def subvol_snapshot(self, source, destination, read_only=False):
          
  
          args = {
              "source": source,
              "destination": destination,
              "read_only": read_only,
          }
  
          self._subvol_snapshot_chk.check(args)
          self._client.sync('btrfs.subvol_snapshot', args)
docs: 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: