#!/bin/sh
set -e
checkModule()
{
if ! lsmod | grep "$1" > /dev/null
then
return 1
fi
return 0
}
case "$1" in
remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear|purge)
if [ -e "/dev/blksnap" ]
then
rmmod blksnap || true
fi
if [ -e "/dev/veeamblksnap" ]
then
rmmod veeamblksnap || true
fi
if ! lsmod | grep "/dev/bdevfilter" > /dev/null
then
if [ -e /sys/kernel/livepatch/bdevfilter/enabled ]
then
echo 0 > /sys/kernel/livepatch/bdevfilter/enabled || true
while [ -e /sys/kernel/livepatch/bdevfilter/enabled ]
do
sleep 1s
done
fi
rmmod bdevfilter || true
fi
;;
*)
echo "prerm called with unknown argument '$1'" >&2
exit 1
;;
esac
exit 0
Mini Shell