freebsd-skq/etc/rc.d/ramdisk

#!/bin/sh -
#
# Copyright (c) 2004  The FreeBSD Project
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#

# PROVIDE: ramdisk
# REQUIRE: localswap
# BEFORE: mountcritlocal
# KEYWORD: FreeBSD

. /etc/rc.subr

name="ramdisk"
stop_cmd="ramdisk_stop"
start_cmd="ramdisk_start"

ramdisk_start()
{
	for unit in $ramdisk_units; do
		eval mdoptions=\$ramdisk_${unit}_config
		if [ "$mdoptions" = "${mdoptions##-t}" ]; then
			echo "Type not specified for md$unit"
			continue
		fi
		eval fsoptions=\$ramdisk_${unit}_newfs

		mdconfig -a $mdoptions -u $unit
		newfs $fsoptions /dev/md$unit
	done
}

ramdisk_stop()
{
	for unit in $ramdisk_units
	do
		if [ -c /dev/md$unit ]; then
			umount -f /dev/md$unit > /dev/null 2>&1
			mdconfig -d -u $unit
		fi
	done
}

load_rc_config $name
run_rc_command "$1"