From cee3b8966c064969bd784285ce63702898a753a3 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Thu, 11 Aug 2011 14:22:47 +0200
Subject: [PATCH] 95nbd/nbdroot: also mount nbd0 for root=dhcp and missing
 root=

---
 modules.d/95nbd/nbdroot | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modules.d/95nbd/nbdroot b/modules.d/95nbd/nbdroot
index f99c36f..1fb2140 100755
--- a/modules.d/95nbd/nbdroot
+++ b/modules.d/95nbd/nbdroot
@@ -94,7 +94,8 @@ nbd-client $preopts "$nbdserver" "$nbdport" /dev/nbd0 $opts || exit 1
 
 # If we didn't get a root= on the command line, then we need to
 # add the udev rules for mounting the nbd0 device
-if [ ! -e /etc/udev/rules.d/99-mount.rules ]; then
+root=$(getarg root=)
+if [ -z "$root" ] || strstr "$root" "nbd:" || strstr "$root" "dhcp"; then
     echo '[ -e /dev/root ] || { info=$(udevadm info --query=env --name=/dev/nbd0); [ -z "${info%%*ID_FS_TYPE*}" ] && { ln -s /dev/nbd0 /dev/root 2>/dev/null; :; };} && rm $job;' \
         > $hookdir/initqueue/settled/nbd.sh
 
@@ -105,4 +106,5 @@ fi
 
 # NBD doesn't emit uevents when it gets connected, so kick it
 echo change > /sys/block/nbd0/uevent
+udevadm settle
 exit 0
-- 
2.7.4