FreeNAS Code

128 lines (113 with data), 2.4 kB

#!/bin/sh
#
# $FreeBSD: src/etc/rc.d/zfs,v 1.5.8.1 2009/04/15 03:14:26 kensmith Exp $
#
# Modified by Volker Theile (votdev@gmx.de)
# Changes:
# - Add function zfs_init: Import zpool's if necessary
#

# PROVIDE: zfs
# REQUIRE: mountcritlocal
# KEYWORD: shutdown
# XQUERY: -i "count(//zfs/pools/pool) > 0" -o "0" -b
# RCVAR: zfs

. /etc/rc.subr
. /etc/configxml.subr

name="zfs"
rcvar="zfs_enable"
start_cmd="zfs_start"
stop_cmd="zfs_stop"
init_cmd="zfs_init"
extra_commands="init"
required_modules="zfs"

zfs_init()
{
	local _aft4kdevs _dev _cmd

	# gnop for 4KB sector
	if ! /sbin/kldstat -q -m g_nop; then
		echo "Load NOP GEOM class"
		/sbin/kldload geom_nop.ko
	fi

	# Create nop device
	_aft4kdevs=`/usr/local/bin/xml sel -t \
	    -m "//zfs/vdevices/vdevice[aft4k]" \
		-m "device" -v "concat(.,' ')" \
	    ${configxml_file} | /usr/local/bin/xml unesc`
	for _dev in $_aft4kdevs
	do
		if [ ! -e "${_dev}.nop" ]; then
			_cmd="gnop create -S 4096 $_dev"
			eval "$_cmd"
		fi
	done

	# Make sure /boot/zfs/zpool.cache exists. On 'embedded' installations
	# this file is missing after a reboot => zpools are missing, so we
	# have to import them to be able to use them.
	if [ ! -e /boot/zfs/zpool.cache ]; then
		info Importing ZFS pools...
		zpool import -d /dev -f -a
		zfs umount -a
	fi
}

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

zfs_start_main()
{
	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_init
		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_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"