#!/bin/busybox ash
. /etc/init.d/tc-functions
useBusybox
[ -n "$1" ] || exit 1
DEVINFO="$(blkid -s LABEL $1)"
[ -z "$DEVINFO" ] && exit 1

LABEL="${DEVINFO##*LABEL=}"
LABEL="$(echo "$LABEL"|tr -d '"')"
echo "$LABEL"