Bash bcache flush #bcache

flush.sh

#!/bin/bash

if [ "$EUID" -ne 0 ]
	then echo "Please run as root"
	exit
fi

trap finish EXIT

get_dirty () {
	echo $(cat /sys/block/bcache0/bcache/dirty_data)
}

set_percent () {
	echo $1 > /sys/block/bcache0/bcache/writeback_percent
}

finish () {
	set_percent 10
	echo "Complete"
}


DIRTY=$( get_dirty )

set_percent 0
until [ $DIRTY = "0.0k" ]; do
	DIRTY=$( get_dirty )
	echo $DIRTY
	sleep 10
done