From 2b913a034efc31da458036087245591cb6aa6f47 Mon Sep 17 00:00:00 2001
From: Michal Suchanek <hramrach@centrum.cz>
Date: Fri, 15 Apr 2011 11:36:00 +0200
Subject: [PATCH] Add overlayfs support (Closes: #658265).

---
 scripts/live | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/scripts/live b/scripts/live
index 8ffbc20..5af7ad8 100755
--- a/scripts/live
+++ b/scripts/live
@@ -1208,7 +1208,7 @@ setup_unionfs ()
 	addimage_directory="${3}"
 
 	case ${UNIONTYPE} in
-		aufs|unionfs)
+		aufs|unionfs|overlayfs)
 			modprobe -q -b ${UNIONTYPE}
 
 			if ! cut -f2 /proc/filesystems | grep -q "^${UNIONTYPE}\$" && [ -x /bin/unionfs-fuse ]
@@ -1570,6 +1570,10 @@ setup_unionfs ()
 				mount_full $unionmountopts "${unionmountpoint}"
 				;;
 
+			overlayfs)
+				unionmountopts="-o noatime,${noxino_opt},lowerdir=${unionro},upperdir=${unionrw}"
+				mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}"
+				;;
 
 			*)
 				if [ -n "${PERSISTENT_READONLY}" ]
-- 
2.1.4