retry=4 # Effectively TERM, sleep 1, TERM, sleep 1, KILL, sleep 1
while ! LC_ALL=C $cmd "$mnt" 2>/dev/null; do
if type fuser >/dev/null 2>&1; then
timeout=60
while true;do
sleep 3s;
if [ "$timeout" -le 0 ];then
pid_of_user="$(ps -A -o pid,comm,args|grep "fuser $f_opts "$mnt""|awk '$2 !~ /grep/ {print $1}')"
[ -n "$pid_of_user" ] && kill -KILL "$pid_of_user"
break
fi
let timeout-=3
done &
pids="$(fuser $f_opts "$mnt" 2>/dev/null)"
case " $pids " in
