Annotation of /trunk/udev/write_root_link_rule.sh
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Sat Mar 22 18:13:36 2008 UTC (16 years, 6 months ago) by niro
File MIME type: application/x-sh
File size: 1163 byte(s)
Sat Mar 22 18:13:36 2008 UTC (16 years, 6 months ago) by niro
File MIME type: application/x-sh
File size: 1163 byte(s)
-new file; merged with upstream udev-119 rules
1 | niro | 516 | #!/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 |