cmount

if test $# != 3
then
        echo "$0 <filesystem> <device> <mount point>"
        exit 100
fi

mappername=`echo $2 | sed 's/\//_/g'`

false

while [ $? -ne 0 ]
do
        umount $3
        echo "mounting $2 on $3 with filesystem $1"
        cryptsetup remove $mappername
        cryptsetup create $mappername $2
        mount -t $1 /dev/mapper/$mappername $3
done