def _BlockdevGetMirrorStatusMultiPreProc(node, args):
  """Prepares the appropriate node values for blockdev_getmirrorstatus_multi.

  """
  # there should be only one argument to this RPC, already holding a
  # node->disks dictionary, we just need to extract the value for the
  # current node
  assert len(args) == 1
  return [args[0][node]]