From d9fcc733162ff21fc538c638163d82404d741b63 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   |   11 ++++++++++-
 install/net |    2 +-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/hooks/net b/hooks/net
index c207ad2..933b9d1 100644
--- a/hooks/net
+++ b/hooks/net
@@ -99,5 +99,14 @@ 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}:${nfs_path}" /mnt_tmp
+        modprobe loop
+        /sbin/udevadm settle
+        losetup /dev/loop0 "/mnt_tmp/$loopimage"
+        mount -t "$loopfmt" /dev/loop0 /new_root
+    else
+        nfsmount ${nfs_option:+-o ${nfs_option}} "${nfs_server}:${nfs_path}" /new_root
+    fi
 }
diff --git a/install/net b/install/net
index 6016ed5..de5a31d 100644
--- a/install/net
+++ b/install/net
@@ -2,7 +2,7 @@
 
 install ()
 {
-    MODULES="nfs $(checked_modules "/drivers/net/") "
+    MODULES="nfs loop $(checked_modules "/drivers/net/") "
 
     BINARIES=""
     FILES=""
-- 
1.7.0.3