From b3b41469027106448cb376d5346282e181f0b071 Mon Sep 17 00:00:00 2001
From: Dustin King <daking@rescomp.stanford.edu>
Date: Wed, 24 Feb 2010 15:16:31 -0800
Subject: [PATCH] Add handling of loopback mounting for nfs rootfs.

---
 hooks/net   |    8 +++++++-
 install/net |    4 +++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/hooks/net b/hooks/net
index c207ad2..1acef85 100644
--- a/hooks/net
+++ b/hooks/net
@@ -99,5 +99,11 @@ nfs_mount_handler() {
         launch_interactive_shell
         msg "Trying to continue (this will most likely fail) ..."
     fi
-    nfsmount ${nfs_option:+-o ${nfs_option}} "${nfs_server}:${nfs_path}" "$1"
+    if [ -n "$loopimage" -a -n "$loopfmt" ]; then
+        mkdir -p /mnt_tmp
+        nfsmount ${nfs_option:+-o ${nfs_option}} "${nfs_server}:${nfs_path}" /mnt_tmp
+        mount -t "$loopfmt" "/mnt_tmp/$loopimage" "$1"
+    else
+        nfsmount ${nfs_option:+-o ${nfs_option}} "${nfs_server}:${nfs_path}" "$1"
+    fi
 }
diff --git a/install/net b/install/net
index 6016ed5..4a31685 100644
--- a/install/net
+++ b/install/net
@@ -2,12 +2,14 @@
 
 install ()
 {
-    MODULES="nfs $(checked_modules "/drivers/net/") "
+    MODULES="nfs loop $(checked_modules "/drivers/net/") "
 
     BINARIES=""
     FILES=""
     SCRIPT="net"
 
+    add_device "/lib/udev/devices/loop0" b 7 0
+
     add_binary "/lib/initcpio/ipconfig" "/bin/ipconfig"
     add_binary "/lib/initcpio/nfsmount" "/bin/nfsmount"
 }
-- 
1.7.0.3