start on started filesystems
stop on stopping filesystems

pre-start script 

source /etc/upstart/functions 

PART_START=`sfdisk --force -l -uS /dev/mmcblk0p4 | grep /dev/mmcblk0p4p2 | awk /mmcblk0p4/\ '{ print $2 }'`
PART_OFFSET=`expr ${PART_START} \* 512`

losetup -o ${PART_OFFSET} /dev/loop/8 /dev/mmcblk0p4 
mount -t ext3 /dev/loop/8 /mnt/deb
f_log I deb mount "deb is mounted"

end script

post-stop script 

source /etc/upstart/functions 

umount /mnt/deb
losetup -d /dev/loop/8 
f_log I deb umount "deb is unmounted"

end script