diff options
| -rw-r--r-- | README | 10 | ||||
| -rw-r--r-- | etc/udev/udev-devfs.rules | 2 | ||||
| -rw-r--r-- | extras/dvb.sh | 3 | ||||
| -rw-r--r-- | extras/inputdev.sh | 30 | ||||
| -rw-r--r-- | extras/name_cdrom.pl | 7 | ||||
| -rw-r--r-- | extras/start_udev | 102 |
6 files changed, 10 insertions, 144 deletions
@@ -36,11 +36,13 @@ Operation: a tmpfs filesystem mounted, which is populated from scratch by udev. Created nodes or changed permissions don't survive a reboot. - - The content of /lib/udev/devices directory should be copied over to the - tmpfs mounted /dev, to provide the required nodes to initialize udev. + - The content of /lib/udev/devices directory which contains the nodes, + symlinks and directories, which are always expected to be in/dev, should + be copied over to the tmpfs mounted /dev, to provide the required nodes + to initialize udev and continue booting. - - The udevd daemon must be started to receive netlink events from the kernel - driver core. + - The udevd daemon must be started by an init script to receive netlink + events from the kernel driver core. - From kernel version 2.6.15 on, the hotplug helper /sbin/hotplug should be disabled with an init script before the boot scripts are run and diff --git a/etc/udev/udev-devfs.rules b/etc/udev/udev-devfs.rules index 380bbee85b..ec44692d68 100644 --- a/etc/udev/udev-devfs.rules +++ b/etc/udev/udev-devfs.rules @@ -2,7 +2,7 @@ # is just kept around to proof that udev is able to emulate the devfs scheme. # # In a world where devices can come and go at any time, the devfs device -# naming scheme of simple grouping and enumeration does not help _anything_. +# naming scheme of simple grouping and enumeration DOES NOT HELP ANYTHING. # # Use custom rules to name your device or look at the persistent device # naming scheme, which is implemented for disks and extend it in a diff --git a/extras/dvb.sh b/extras/dvb.sh deleted file mode 100644 index b14a6d0d7b..0000000000 --- a/extras/dvb.sh +++ /dev/null @@ -1,3 +0,0 @@ -#!/bin/sh -e -echo $1 | sed -e 's#^dvb\([0-9]\)\.\([^0-9]*\)\([0-9]\)#dvb/adapter\1/\2\3#' -exit 0 diff --git a/extras/inputdev.sh b/extras/inputdev.sh deleted file mode 100644 index 82e4fdc374..0000000000 --- a/extras/inputdev.sh +++ /dev/null @@ -1,30 +0,0 @@ -#!/bin/sh -e -# -# Scans /proc/bus/input/devices for the given device. -# -# (c) 2004 Darren Salt <linux@youmustbejoking.demon.co.uk> -# GPL v2 or later applies. - -[ "$1" ] || exit 0 - -# input device name, less leading "input/" -DEVICE=${1#input/} - -# "|"-separated list. -# The first found in the given device's "N:" line will be output. -DEFAULT_KEYWORDS='dvb|saa7134' -KEYWORDS=${2:-$DEFAULT_KEYWORDS} - -exec sed -nre ' - /^I:/ { - : gather - N - /\nH:/! b gather - /'"$DEVICE"'/ { - s/^.*\nN:[^\n]*("|\b)('"$KEYWORDS"')("|\b)[^\n]*\n.*$/inputdev/ - T - p - } - } -' < /proc/bus/input/devices - diff --git a/extras/name_cdrom.pl b/extras/name_cdrom.pl index 5e696f33ae..28d2d29a3d 100644 --- a/extras/name_cdrom.pl +++ b/extras/name_cdrom.pl @@ -1,9 +1,8 @@ #!/usr/bin/perl -# a horribly funny script that shows how flexible udev can really be -# This is to be executed by udev with the following rules: -# -# KERNEL="hd*[!0-9]|sr*", PROGRAM="name_cdrom.pl $tempnode", SYMLINK+="%c" +# Horrible but funny script that shows how flexible udev can really be +# This is to be executed by udev with the following rule: +# KERNEL="hd*[!0-9]|sr*", PROGRAM="name_cdrom.pl $tempnode", SYMLINK+="%c" use strict; use warnings; diff --git a/extras/start_udev b/extras/start_udev deleted file mode 100644 index c2518761e3..0000000000 --- a/extras/start_udev +++ /dev/null @@ -1,102 +0,0 @@ -#! /bin/sh -# -# start_udev -# -# script to initialize /dev by using udev. -# -# Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com> -# -# Released under the GPL v2 only. -# -# This needs to be run at the earliest possible point in the boot -# process. -# -# Based on the udev init.d script -# -# Thanks go out to the Gentoo developers for proving -# that this is possible to do. -# -# Yes, it's very verbose, feel free to turn off all of the echo calls, -# they were there to make me feel better that everything was working -# properly during development... -# - -. /etc/udev/udev.conf - -prog=udev -sysfs_dir=/sys -bin=/sbin/udev -udevd=/sbin/udevd - -run_udev () { - export ACTION=add - - # handle block devices and their partitions - for i in ${sysfs_dir}/block/*; do - # add each drive - export DEVPATH=${i#${sysfs_dir}} - echo "$DEVPATH" - $bin block - - # add each partition, on each device - for j in $i/*; do - if [ -f $j/dev ]; then - export DEVPATH=${j#${sysfs_dir}} - echo "$DEVPATH" - $bin block - fi - done - done - # all other device classes - for i in ${sysfs_dir}/class/*; do - for j in $i/*; do - if [ -f $j/dev ]; then - export DEVPATH=${j#${sysfs_dir}} - CLASS=`echo ${i#${sysfs_dir}} | \ - cut --delimiter='/' --fields=3-` - echo "$DEVPATH" - $bin $CLASS - fi - done - done - return 0 -} - -make_extra_nodes () { - # there are a few things that sysfs does not export for us. - # these things go here (and remember to remove them in - # remove_extra_nodes() - # - # Thanks to Gentoo for the initial list of these. - ln -snf /proc/self/fd $udev_root/fd - ln -snf /proc/self/fd/0 $udev_root/stdin - ln -snf /proc/self/fd/1 $udev_root/stdout - ln -snf /proc/self/fd/2 $udev_root/stderr - ln -snf /proc/kcore $udev_root/core - - mkdir $udev_root/pts - mkdir $udev_root/shm -} - -# don't use udev if sysfs is not mounted. -if [ ! -d $sysfs_dir/block ]; then - exit 1 -fi - -echo "mounting... ramfs at $udev_root" -mount -n -t ramfs none $udev_root - -# propogate /udev from /sys -echo "Creating initial udev device nodes:" - -# You can use the shell scripts above by calling run_udev or execute udevstart -# which does the same thing, but much faster by not using shell. -# only comment out one of the following lines. -#run_udev -/sbin/udevstart - -echo "making extra nodes" -make_extra_nodes - -echo "udev startup is finished!" -exit 0 |