#!/bin/sh
#
### BEGIN INIT INFO
# Provides: zvol zfs
# Required-Start: $local_fs
# Required-Stop: $local_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Mount ZFS filesystems
# Description: Run the `zfs mount -a` or `zfs umount -a` command.
#              This init script is deprecated and should be disabled in the
#              /etc/default/zfs options file. Instead, use the zfs-mount
#              package for Debian or the zfs-mountall package for Ubuntu
### END INIT INFO

PATH=/sbin:/bin

. /lib/lsb/init-functions
. /lib/init/vars.sh

[ -f /etc/default/zfs ] && . /etc/default/zfs

do_start()
{
	log_begin_msg "Mounting ZFS filesystems"
	log_progress_msg "filesystems"
	zfs mount -a
	RET=$?

	if [ $RET != 0 ] ; then
		log_end_msg $RET
		exit $RET
	fi

	log_end_msg 0
}

do_stop()
{
	log_begin_msg "Unmounting ZFS filesystems"
	log_progress_msg "filesystems"
	zfs unmount -a
	RET=$?

	# Ignore a non-zero `zfs` result so that a busy ZFS instance
	# does not hang the system during shutdown.
	if [ $RET != 0 ] ; then
		log_end_msg $RET
	fi

	log_end_msg 0
}

case "$1" in
	(start)
		case "$ZFS_MOUNT" in
			([Oo][Ff][Ff]|[Nn][Oo]|'')
				exit 0
				;;
		esac
		do_start
		;;
	(stop)
		case "$ZFS_UNMOUNT" in
			([Oo][Ff][Ff]|[Nn][Oo]|'')
				exit 0
				;;
		esac
		do_stop
		;;
	(force-reload|reload|restart|status)
		# no-op
		;;

	(*)
		[ -n "$1" ] && echo "Error: Unknown command $1."
		echo "Usage: $0 {start|stop}"
		exit 3
	;;
esac