#!/bin/sh
nodevs=$(awk '$1 == "nodev" && $2 != "rootfs" && $2 != "zfs" { print $2 }' < /proc/filesystems)

renice +19 -p $$ >/dev/null 2>&1
ionice -c2 -n7 -p $$ >/dev/null 2>&1
/usr/bin/updatedb -f "$nodevs"