init

#!/bin/bash

cd c3disk

make || exit

module="c3disk"
device="c3disk"
mode="777"

# unmount /mnt
umount /mnt/c3disk
rm -rf /mnt/c3disk
mkdir  /mnt/c3disk

# stop the running module if exists
rmmod $module &> /dev/null

# remove stale nodes
rm -f /dev/c3disk*

insmod ./$module.ko || exit 1

# make device nodes
major=$(awk "\$2==\"$module\" {print \$1}" /proc/devices)
mknod /dev/${device} b $major 0
group="staff"
grep -q '^staff:' /etc/group || group="wheel"
chgrp $group /dev/${device}*
chmod $mode  /dev/${device}*

# create file-system
mkfs.ext4 /dev/c3disk
mount /dev/c3disk /mnt/c3disk
chmod 777 /mnt/c3disk

tail -f /var/log/kern.log