#!/bin/sh /etc/rc.common

START=97

check_kernel() {
	local major=$1
	local minor=$2
	[ "$major" -gt 5 -o \( "$major" -eq 5 -a "$minor" -ge 4 \) ]
}

boot() {
	if check_kernel `uname -r | grep -Eo '[0-9]+\.[0-9]+' | sed 's/\./ /g'`; then
		if [ ! -f /usr/lib/samba/vfs/io_uring.so ]; then
			if [ -f /usr/lib/samba/vfs/io_uring.so.bak ]; then
				mv /usr/lib/samba/vfs/io_uring.so.bak /usr/lib/samba/vfs/io_uring.so
			elif [ -f /rom/usr/lib/samba/vfs/io_uring.so ]; then
				mkdir -p /usr/lib/samba/vfs
				cp -a /rom/usr/lib/samba/vfs/io_uring.so /usr/lib/samba/vfs/io_uring.so
				cat /usr/lib/samba/vfs/io_uring.so >/dev/null
				rm -f /overlay/upper/usr/lib/samba/vfs/io_uring.so
			fi
		fi
		rm -f /usr/lib/samba/vfs/io_uring.so.bak
	elif [ -f /usr/lib/samba/vfs/io_uring.so ]; then
		rm -f /usr/lib/samba/vfs/io_uring.so.bak
		if [ ! -d /overlay/upper -o -f /overlay/upper/usr/lib/samba/vfs/io_uring.so ]; then
			mv /usr/lib/samba/vfs/io_uring.so /usr/lib/samba/vfs/io_uring.so.bak
		else
			rm -f /usr/lib/samba/vfs/io_uring.so
		fi
	fi
}