openwrt U盘热插拔

#!/bin/ash

case "$ACTION" in
add)
for i in $(ls /dev/ | grep 'sd[a-z][1-9]')
do
mkdir -p /mnt/$i
mount -o iocharset=utf8,rw /dev/$i /mnt/$i
if [ $? -ne 0 ]
then
mount -o rw /dev/$i /mnt/$i
fi
done
;;
remove)
MOUNT=`mount | grep -o '/mnt/sd[a-z][1-9]'`
for i in $MOUNT
do
umount $i
if [ $? -eq 0 ]
then
rm -r $i
fi
done
;;
esac