nix/module/common/Filesystem.nix

{ ... }: {
	fileSystems."/" = {
		device  = "/dev/disk/by-partlabel/NIXROOT";
		fsType  = "ext4";
		options = [ "noatime" ];
	};
	fileSystems."/boot" = {
		device = "/dev/disk/by-partlabel/NIXBOOT";
		fsType = "vfat";
	};
}