diff --git a/fs/reiserfs/hashes.c b/fs/reiserfs/hashes.c
index 37c1306eb9b774c9d515215a0fc85026f6781c9a..a3ec238fd9e0347bef211170353137fa5250f949 100644
--- a/fs/reiserfs/hashes.c
+++ b/fs/reiserfs/hashes.c
@@ -19,6 +19,7 @@
 //
 
 #include <linux/kernel.h>
+#include <linux/reiserfs_fs.h>
 #include <asm/types.h>
 #include <asm/bug.h>