code: def set_app_name_for_pool(client, pool, name):
      
      if cmp_pkgrevno('ceph-common', '12.0.0') >= 0:
          cmd = ['ceph', '--id', client, 'osd', 'pool',
                 'application', 'enable', pool, name]
          check_call(cmd)
docs: Calls `osd pool application enable` for the specified pool name
  
      :param client: Name of the ceph client to use
      :type client: str
      :param pool: Pool to set app name for
      :type pool: str
      :param name: app name for the specified pool
      :type name: str
  
      :raises: CalledProcessError if ceph call fails