grub.cfg

insmod part_gpt
insmod luks
insmod gcry_sha1
insmod gcry_rijndael

set timeout_style=hidden
set timeout=1

menuentry 'Arch' {
	cryptomount (ahci0,gpt2)
	linux	(crypto0)/vmlinuz-linux iomem=relaxed init=/usr/lib/systemd/systemd root=/dev/mapper/root rw rootflags=subvol=rootvol cryptdevice=/dev/sda3:root:allow-discards cryptkey=rootfs:/etc/root.keyfile quiet
	initrd  (crypto0)/initramfs-linux.img
}