use the right hotplug2 invocation for initramfs

[openwrt.git] / package / base-files / files / etc / preinit

diff --git a/package/base-files/files/etc/preinit b/package/base-files/files/etc/preinit
index c11732f..f7ac0a5 100755 (executable)
--- a/package/base-files/files/etc/preinit
+++ b/package/base-files/files/etc/preinit
@@ -17,30 +17,43 @@ failsafe() {
        ash --login
 }
 
-mount none /proc -t proc
-mount none /sys  -t sysfs
+mount proc /proc -t proc
+mount sysfs /sys -t sysfs
 
 size=$(awk '/MemTotal:/ {l=5242880;mt=($2*1024);print((s=mt/2)<l)?mt-l:s}' /proc/meminfo)
-mount none /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777
+mount tmpfs /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777
 
 if grep devfs /proc/filesystems > /dev/null; then
-       mount none /dev -t devfs
+       mount devfs /dev -t devfs
        M0=/dev/pty/m0
        M1=/dev/pty/m1
        HOTPLUG=/sbin/hotplug-call
-else
+
+elif [ -x /sbin/hotplug2 ]; then
        mount -t tmpfs tmpfs /dev -o size=512K
        mknod /dev/console c 5 1
-       mkdir /dev/shm
-       /sbin/hotplug2 --coldplug --set-rules-file /etc/hotplug2-init.rules
-       /sbin/hotplug2 --no-coldplug --persistent --set-rules-file /etc/hotplug2-init.rules &
+       if [ -n "$INITRAMFS" ]; then
+               /sbin/hotplug2 --coldplug --no-persistent --max_children 1 &
+       else
+               /sbin/hotplug2 --coldplug --set-rules-file /etc/hotplug2-init.rules
+               /sbin/hotplug2 --no-coldplug --persistent --set-rules-file /etc/hotplug2-init.rules &
+       fi
        M0=/dev/ptmx
        M1=/dev/ptmx
        HOTPLUG=
+
+elif [ -x /sbin/udevd ]; then
+       mount -n -t tmpfs -o mode=0755 udev /dev
+       /sbin/udevd --daemon
+       /sbin/udevtrigger
+       /sbin/udevsettle
+       M0=/dev/pty/ptmx
+       M1=/dev/pty/ptmx
+       HOTPLUG=
 fi
 
 mkdir -p /dev/pts /dev/shm
-mount none /dev/pts -t devpts
+mount devpts /dev/pts -t devpts
 
 # the shell really doesn't like having stdin/out closed
 # that's why we use /dev/pty/m0 and m1 as replacement
@@ -59,9 +72,20 @@ set_state preinit
 echo "$HOTPLUG" > /proc/sys/kernel/hotplug
 eval ${FAILSAFE:+failsafe}
 lock -w /tmp/.failsafe
-mount_root
 
-echo "- init -"
+if [ -z "$INITRAMFS" ]; then
+       mount_root
+       [ -f /sysupgrade.tgz ] && {
+               echo "- config restore -"
+               cd /
+               mv sysupgrade.tgz /tmp
+               tar xzf /tmp/sysupgrade.tgz
+               rm -f /tmp/sysupgrade.tgz
+               sync
+       }
+
+       echo "- init -"
        
-killall hotplug2
-exec /sbin/init
+       killall hotplug2
+       exec /sbin/init
+fi