improved init script

cachefilesd.rc (text/plain), 1.47 KB, created by Enrico Tagliavini on 2009-12-22 16:35:38 UTC

#!/sbin/runscript
# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

depend() {
	need localmount
	use logger
}

checkxattr()
{
	local testpath testfile ret
	testpath=$(awk '/^[[:space:]]*dir/ {print $2}' /etc/cachefilesd.conf)
	testfile="${testpath}/.tmp-xattr-test.cachefilesd"
	touch "${testfile}"
	# creates a file in the testpath and tries to set an attribute on it to check
	# if the support is available 
	attr -s test -V xattr "${testfile}" 2>&1 > /dev/null
	ret=$?
	rm -f "${testfile}"
	[ ${ret} -ne 0 ] && eerror "xattr support missing on the ${testpath} filesystem"
	return ${ret}
}

start() {
	ebegin "Starting cachefilesd"
	checkxattr || return $? 
	# check if the cachefiles modules is loaded (or builtin)
	if [ ! -c /dev/cachefiles ] ; then
		local ret
		einfo "/dev/cachefiles doesn't exist, trying to modprobe cachefiles"
		modprobe cachefiles
		ret=$?
		if [ $ret -ne 0 ] ; then
			eerror "cachefiles modules cannot be loaded so cachefilesd 
cannot be started, aborting. Did you build fscache in your 
kernel? Note that you need a 2.6.30 or better kernel"
			return $ret
		fi
	fi
	start-stop-daemon --start --exec /sbin/cachefilesd --pidfile /var/run/cachefilesd.pid
	eend $? "Failed to start cachefilesd. Check the system log to see the error"

}

stop() {
	ebegin "Stopping cachefilesd"
	start-stop-daemon --stop --exec /sbin/cachefilesd --pidfile /var/run/cachefilesd.pid
	eend $? "Failed to stop cachefilesd"
}