early: replaced udev with mdev in init.sh

target/early/initramfs/init.sh

@@ -3,7 +3,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: target/early/initramfs/init.sh
-# Copyright (C) 2007 - 2009 The OpenSDE Project
+# Copyright (C) 2007 - 2011 The OpenSDE Project
 #
 # More information can be found in the files COPYING and README.
 #
@@ -65,12 +65,14 @@ status
 
 title "Preparing /dev"
 check mount -n -t tmpfs none /dev
-check cp -a /lib/udev/devices/* /dev
 status
 
-title "Starting udev daemon"
-echo "" > /sys/kernel/uevent_helper
-check udevd --daemon
+title "Setting mdev as kernel hotplug helper"
+echo "/sbin/mdev" > /proc/sys/kernel/hotplug
+status
+
+title "Populating initial devices"
+check mdev -s
 status
 
 if [ -x /sbin/modprobe -a -n "$modules" ]; then
@@ -83,8 +85,7 @@ if [ -x /sbin/modprobe -a -n "$modules" ]; then
 fi
 
 title "Triggering coldplug"
-check udevadm trigger
-check udevadm settle
+find /sys/devices -name "uevent" | while read x; do echo -n "add" > $x; done
 status
 
 sleep 2
@@ -102,7 +103,6 @@ if [ ! -e "$root" ]; then
 		# try activating software raids
 		title "Activating RAID devices"
 		modprobe -q md-mod 2> /dev/null
-		udevadm settle
 		check mdadm -As --auto=yes
 		status
 	fi
@@ -118,23 +118,16 @@ if [ ! -e "$root" ]; then
 	if [ "$want_lvm" != no -a -d /etc/lvm/archive ]; then
 		title "Activating LVM devices"
 		modprobe -q dm_mod 2> /dev/null
-		udevadm settle
 		check lvm vgchange -ay
 		status
 	fi
 fi
 
 if [ -n "$root" ]; then
-	udevadm settle
-
 	# give it a second chance to appear (delay 2s)
 	[ -e "$root" ] || sleep 2;
 
 	if [ -e "$root" ]; then
-		/lib/udev/vol_id "$root" > /tmp/$$.vol_id
-		. /tmp/$$.vol_id
-		rm /tmp/$$.vol_id
-
 		title "Mounting $root (${ID_FS_TYPE:-unknown}) "
 		[ -z "$ID_FS_TYPE" ] || modprobe -q "$ID_FS_TYPE" 2> /dev/null
 		check mount ${ID_FS_TYPE:+-t $ID_FS_TYPE} ${mode:+-o $mode} "$root" /rootfs
@@ -158,7 +151,6 @@ if [ "$want_shell" = yes ]; then
 fi
 
 title "Cleaning up"
-check killall udevd
 check mount -t none -o move /dev /rootfs/dev
 check mount -t none -o move /sys /rootfs/sys
 check mount -t none -o move /proc /rootfs/proc