pfSense

if [ "${USE_ZFS}" -eq 1 ]; then

	# Create ZFS reservation

	if [ ! -f /.no_zfs_reservation ]; then

		zfs list -Hp -o name -t filesystem | grep -q pfSense/reservation

		if [ $? -ne 0 ]; then

			AVAIL=$( zfs list -Hpo avail pfSense )

			RESSIZE=$( zfs list -Hpo avail,used pfSense | awk -v CONVFMT='%.0f' '{printf ( $1 + $2 ) * 0.1 "\n"}' )

			if [ $(( ${AVAIL} / 2 )) -gt ${RESSIZE} ]; then

				logger "Creating ZFS reservation of ${RESSIZE} bytes"

				zfs create -o reservation=${RESSIZE} pfSense/reservation

			else

				logger "Not enough space to create reservation;  ${AVAIL} / 2 is not greater than ${RESSIZE} bytes"

			fi

		fi

	fi

fi