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