#!/bin/bash

# Umount all filesystems mounted over the device

DEVICE="$1"

[ -b "$DEVICE" ] || exit 1

DEVICES="$(df -T | grep -s ^"/dev/sdc" | sed -e "s/.*%[[:blank:]]*//g")"

if [ -n "$DEVICES" ] ; then

	umount -l "${DEVICES}" 2>1 >/dev/null

fi

exit 0