if [ "$is_rootfs" -eq 1 ] || [ "$target" = "/overlay" ]; then
target=/tmp/overlay-disabled
elif [ "$target" = "/" ] || [ "$target" = "/rom" ]; then
if [ "$is_rootfs" -eq 1 ] || [ "$target" = "/overlay" ]; then
target=/tmp/overlay-disabled
elif [ "$target" = "/" ] || [ "$target" = "/rom" ]; then