diff options
Diffstat (limited to 'init.d')
-rw-r--r-- | init.d/devfs.in | 70 |
1 files changed, 66 insertions, 4 deletions
diff --git a/init.d/devfs.in b/init.d/devfs.in index 5c167b02..7fba8820 100644 --- a/init.d/devfs.in +++ b/init.d/devfs.in @@ -2,15 +2,71 @@ # Copyright (c) 2007-2008 Roy Marples <roy@marples.name> # Released under the 2-clause BSD license. -description="Mount system critical filesystems in /dev." +description="Set up the /dev directory" -depend() { - use dev-mount +depend() +{ + provide dev-mount before dev keyword -prefix -vserver -lxc } -start() { +mount_dev() +{ + local action=--mount devfstype msg=Mounting + # Some devices require exec, Bug #92921 + local mountopts="exec,nosuid,mode=0755" + if yesno ${static_dev:-no}; then + einfo "Using static /dev" + return 0 + fi + if mountinfo -q /dev; then + action=--remount + mountopts="remount,$mountopts" + msg=Remounting + fi + if fstabinfo -q /dev; then + ebegin "$msg /dev according to @SYSCONFDIR@/fstab" + fstabinfo -q $action /dev + eend $? + return 0 + fi + if grep -q devtmpfs /proc/filesystems; then + devfstype=devtmpfs + mountopts="$mountopts,size=10M" + elif grep -q tmpfs /proc/filesystems; then + devfstype=tmpfs + mountopts="$mountopts,size=10M" + fi + if [ -n "$devfstype" ]; then + ebegin "$msg $devfstype on /dev" + mount -n -t $devfstype -o $mountopts dev /dev + eend $? + else + ewarn "This kernel does not have devtmpfs or tmpfs support." + ewarn "Assuming you want static /dev. If this is not the case," + ewarn "please set the CONFIG_DEVTMPFS or CONFIG_TMPFS option" + ewarn "in your kernel." + fi +} + +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 + # Mount required stuff as user may not have then in /etc/fstab for x in \ "mqueue /dev/mqueue 1777 ,nodev mqueue" \ @@ -34,5 +90,11 @@ start() { eend $? fi done +} + +start() +{ + mount_dev + seed_dev return 0 } |