From: Andy Whitcroft <apw@canonical.com>

When compiling overlayfs as a module we end up with an unknown symbol
'security_inode_permission'.  Export it.

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 security/security.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6/security/security.c
===================================================================
--- linux-2.6.orig/security/security.c	2010-10-26 11:29:16.000000000 +0200
+++ linux-2.6/security/security.c	2010-10-26 11:29:28.000000000 +0200
@@ -520,6 +520,7 @@ int security_inode_permission(struct ino
 		return 0;
 	return security_ops->inode_permission(inode, mask);
 }
+EXPORT_SYMBOL_GPL(security_inode_permission);
 
 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
 {

--