change align size

export-image/prerun.sh

@@ -10,15 +10,13 @@ rm -rf "${ROOTFS_DIR}"
 mkdir -p "${ROOTFS_DIR}"
 
 BOOT_SIZE="$((512 * 1024 * 1024))"
+RECOVERY_SIZE="$((256 * 1024 * 1024))"
 ROOT_SIZE=$(du -x --apparent-size -s "${EXPORT_ROOTFS_DIR}" --exclude var/cache/apt/archives --exclude boot/firmware --block-size=1 | cut -f 1)
 
 # All partition sizes and starts will be aligned to this size
-ALIGN="$((4 * 1024 * 1024))"
+ALIGN="$((8 * 1024 * 1024))"
 ROOT_MARGIN="$(echo "($ROOT_SIZE * 0.2 + 400 * 1024 * 1024) / 1" | bc)"
 
-# Recovery partition fixed size: 256MB
-RECOVERY_SIZE="$((256 * 1024 * 1024))"
-
 BOOT_PART_START=$((ALIGN))
 BOOT_PART_SIZE=$(((BOOT_SIZE + ALIGN - 1) / ALIGN * ALIGN))
 ROOT_PART_START=$((BOOT_PART_START + BOOT_PART_SIZE))