    # File lib/fog/linode/requests/compute/linode_disk_list.rb, line 6
            def linode_disk_list(linode_id, disk_id=nil)
              options = {}
              if disk_id
                options.merge!(:diskId => disk_id)
              end
              request(
                :expects  => 200,
                :method   => 'GET',
                :query    => { :api_action => 'linode.disk.list', :linodeId => linode_id }.merge!(options)
              )
            end