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path: root/init.d/swapfiles.in
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#!@PREFIX@/sbin/runscript
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.

depend()
{
	need localmount
	keyword -jail -openvz -prefix -vserver -lxc
}

start()
{
	ebegin "Activating additional swap space"
	case "$RC_UNAME" in
		NetBSD|OpenBSD) swapctl -A -t noblk >/dev/null;;
		*)		swapon -a >/dev/null;;
	esac
	eend 0 # If swapon has nothing todo it errors, so always return 0
}

stop()
{
	ebegin "Deactivating additional swap space"

	# Try to unmount all tmpfs filesystems not in use, else a deadlock may
	# occur. As $RC_SVCDIR may also be tmpfs we cd to it to lock it
	# fixme: Do we need this here since we are only unmounting swap files
	# and loopback swap?
	cd "$RC_SVCDIR"
	umount -a -t tmpfs 2>/dev/null

	case "$RC_UNAME" in
		Linux)
			while read filename type rest; do
				case "$type" in
					file) swapoff $filename >/dev/null;;
				esac
				case "$filename" in
					/dev/loop*) swapoff $filename >/dev/null;;
				esac
			done < /proc/swaps
			;;
	esac
	eend 0
}