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#!/sbin/runscript
# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
description="mount devtmpfs on /dev"
depend()
{
provide dev-mount
keyword -vserver -lxc
}
mount_dev_directory()
{
local mounted=false fstab=false action=--mount msg=Mounting rc=0
if ! grep -qs devtmpfs /proc/filesystems; then
eerror "CONFIG_DEVTMPFS=y is required in your kernel configuration"
eerror "for this version of udev to run successfully."
eerror "This requires immediate attention."
if ! mountinfo -q /dev; then
mount -n -t tmpfs dev /dev
busybox mdev -s
mkdir /dev/pts
fi
return 1
fi
# Is /dev already a mounted devtmpfs?
mountinfo -q -f devtmpfs /dev && mounted=true
# If an entry for /dev exists in fstab it must be a devtmpfs.
fstabinfo -q -t devtmpfs /dev && fstab=true
# No options are processed here as they should all be in /etc/fstab
if $fstab; then
$mounted && action=--remount && msg=Remounting
ebegin "$msg /dev according to /etc/fstab"
fstabinfo $action /dev
rc=$?
elif ! $mounted; then
ebegin "Mounting /dev"
# Some devices require exec, Bug #92921
mount -n -t devtmpfs -o "exec,nosuid,mode=0755,size=10M" udev /dev
rc=$?
else
ebegin "Using /dev mounted from kernel"
fi
eend $rc
}
seed_dev()
{
# Seed /dev with some things that we know we need
# creating /dev/console, /dev/tty and /dev/tty1 to be able to write
# to $CONSOLE with/without bootsplash before udevd creates it
[ -c /dev/console ] || mknod -m 600 /dev/console c 5 1
[ -c /dev/tty1 ] || mknod -m 620 /dev/tty1 c 4 1
[ -c /dev/tty ] || mknod -m 666 /dev/tty c 5 0
# udevd will dup its stdin/stdout/stderr to /dev/null
# and we do not want a file which gets buffered in ram
[ -c /dev/null ] || mknod -m 666 /dev/null c 1 3
# so udev can add its start-message to dmesg
[ -c /dev/kmsg ] || mknod -m 660 /dev/kmsg c 1 11
# Create problematic directories
mkdir -p /dev/pts /dev/shm
return 0
}
start()
{
mount_dev_directory || return 1
seed_dev
return 0
}
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