freebsd-skq/etc/rc.d/zfs

#!/bin/sh
#
# $FreeBSD$
#

# PROVIDE: zfs
# REQUIRE: mountcritlocal

. /etc/rc.subr

name="zfs"
rcvar="zfs_enable"
start_cmd="zfs_start"
stop_cmd="zfs_stop"
required_modules="zfs"

zfs_start_jail()
{
	if [ `$SYSCTL_N security.jail.mount_allowed` -eq 1 ]; then
		zfs mount -a
	fi
}

zfs_start_main()
{
	zfs volinit
	zfs mount -a
	zfs share -a
	if [ ! -r /etc/zfs/exports ]; then
		touch /etc/zfs/exports
	fi
	# Enable swap on ZVOLs with property org.freebsd:swap=on.
	zfs list -H -o org.freebsd:swap,name -t volume | \
	while read state name; do
		case "${state}" in
		[oO][nN])
			swapon /dev/zvol/${name}
			;;
		esac
	done
}

zfs_start()
{
	if [ `$SYSCTL_N security.jail.jailed` -eq 1 ]; then
		zfs_start_jail
	else
		zfs_start_main
	fi
}

zfs_stop_jail()
{
	if [ `$SYSCTL_N security.jail.mount_allowed` -eq 1 ]; then
		zfs unmount -a
	fi
}

zfs_stop_main()
{
	# Disable swap on ZVOLs with property org.freebsd:swap=on.
	zfs list -H -o org.freebsd:swap,name -t volume | \
	while read state name; do
		case "${state}" in
		[oO][nN])
			swapoff /dev/zvol/${name}
			;;
		esac
	done
	zfs unshare -a
	zfs unmount -a
	zfs volfini
}

zfs_stop()
{
	if [ `$SYSCTL_N security.jail.jailed` -eq 1 ]; then
		zfs_stop_jail
	else
		zfs_stop_main
	fi
}

load_rc_config $name
run_rc_command "$1"