    # File lib/chef/provider/mount/mount.rb, line 135
            def enable_fs
              if @current_resource.enabled && mount_options_unchanged?
                Chef::Log.debug("#{@new_resource} is already enabled - nothing to do")
                return nil
              end

              if @current_resource.enabled
                # The current options don't match what we have, so
                # disable, then enable.
                disable_fs
              end
              ::File.open("/etc/fstab", "a") do |fstab|
                fstab.puts("#{device_fstab} #{@new_resource.mount_point} #{@new_resource.fstype} #{@new_resource.options.nil? ? "defaults" : @new_resource.options.join(",")} #{@new_resource.dump} #{@new_resource.pass}")
                Chef::Log.debug("#{@new_resource} is enabled at #{@new_resource.mount_point}")
              end
            end