From: Andrew Morton <akpm@linux-foundation.org>

Cc: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/mm.h |    1 +
 1 file changed, 1 insertion(+)

diff -puN include/linux/mm.h~git-unionfs-build-fix include/linux/mm.h
--- a/include/linux/mm.h~git-unionfs-build-fix
+++ a/include/linux/mm.h
@@ -20,6 +20,7 @@ struct anon_vma;
 struct file_ra_state;
 struct user_struct;
 struct writeback_control;
+struct super_block;
 
 #ifndef CONFIG_DISCONTIGMEM          /* Don't use mapnrs, do it properly */
 extern unsigned long max_mapnr;
_