write (ActiveSupport::Cache::FileStore)

    # File lib/active_support/cache/file_store.rb, line 16
          def write(name, value, options = nil)
            super
            ensure_cache_path(File.dirname(real_file_path(name)))
            File.atomic_write(real_file_path(name), cache_path) { |f| Marshal.dump(value, f) }
            value
          rescue => e
            logger.error "Couldn't create cache directory: #{name} (#{e.message})" if logger
          end