tags/udev-166-r1/write_root_link_rule.sh

#!/bin/sh
# $Header: /root/magellan-cvs/src/udev/write_root_link_rule.sh,v 1.1 2008-03-22 18:13:36 niro Exp $
#
# This script should run before doing udevtrigger at boot.
# It will create a rule matching the device directory / is on, and
# creating /dev/root symlink pointing on its device node.
#
# This is especially useful for hal looking at /proc/mounts containing
# a line listing /dev/root as device:
#   /dev/root / reiserfs rw 0 0
# 
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation version 2 of the License.
#
# (c) 2007 Matthias Schwarzott <zzam@gentoo.org>

DEV=$(udevadm info --device-id-of-file=/)
if [ $? = 0 ]; then
	MAJOR="${DEV% *}"
	MINOR="${DEV#* }"

	[ -d /dev/.udev/rules.d ] || mkdir -p /dev/.udev/rules.d
	RULES=/dev/.udev/rules.d/10-root-link.rules

	echo "# Created by /lib/udev/write_root_link_rule" > "${RULES}"
	echo "# This rule should create /dev/root as link to real root device." >> "${RULES}"
	echo "SUBSYSTEM==\"block\", ENV{MAJOR}==\"$MAJOR\", ENV{MINOR}==\"$MINOR\", SYMLINK+=\"root\"" >> "${RULES}"
fi
1	#!/bin/sh
2	# $Header: /root/magellan-cvs/src/udev/write_root_link_rule.sh,v 1.1 2008-03-22 18:13:36 niro Exp $
3	#
4	# This script should run before doing udevtrigger at boot.
5	# It will create a rule matching the device directory / is on, and
6	# creating /dev/root symlink pointing on its device node.
7	#
8	# This is especially useful for hal looking at /proc/mounts containing
9	# a line listing /dev/root as device:
10	# /dev/root / reiserfs rw 0 0
11	#
12	# This program is free software; you can redistribute it and/or modify it
13	# under the terms of the GNU General Public License as published by the
14	# Free Software Foundation version 2 of the License.
15	#
16	# (c) 2007 Matthias Schwarzott <zzam@gentoo.org>
17
18	DEV=$(udevadm info --device-id-of-file=/)
19	if [ $? = 0 ]; then
20	MAJOR="${DEV% *}"
21	MINOR="${DEV#* }"
22
23	[ -d /dev/.udev/rules.d ] \|\| mkdir -p /dev/.udev/rules.d
24	RULES=/dev/.udev/rules.d/10-root-link.rules
25
26	echo "# Created by /lib/udev/write_root_link_rule" > "${RULES}"
27	echo "# This rule should create /dev/root as link to real root device." >> "${RULES}"
28	echo "SUBSYSTEM==\"block\", ENV{MAJOR}==\"$MAJOR\", ENV{MINOR}==\"$MINOR\", SYMLINK+=\"root\"" >> "${RULES}"
29	fi