#!/bin/sh

M=$(iostat -md mmcblk0p2 | grep mmcblk0p2 | awk '{print $6}')
LAST=$(cat reswap.stat)
D=$((M-LAST))

if [ $D -lt 600 ] ; then
	echo "Not needed: " $((600-D)) " left."
	exit
else
	echo "Let's do it: " $((D-600)) " over."
fi

swapon /dev/mmcblk0p3 >/dev/null 2>&1 || echo cow

nice -20 swapoff /dev/mmcblk1p2 &&
iostat -md mmcblk0p2 | grep mmcblk0p2 | awk '{print $6}' >/root/reswap.stat
/home/user/swapon -p 10 /dev/mmcblk1p2 &&
nice -20 swapoff /dev/mmcblk0p3 &&
swapon /dev/mmcblk0p3