# File lib/fog/storage/models/rackspace/files.rb, line 18
        def all(options = {})
          requires :directory
          options = {
            'limit'   => limit,
            'marker'  => marker,
            'path'    => path,
            'prefix'  => prefix
          }.merge!(options)
          merge_attributes(options)
          parent = directory.collection.get(
            directory.key,
            options
          )
          if parent
            load(parent.files.map {|file| file.attributes})
          else
            nil
          end
        end