diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
index 545236414d592b7f3abdf810799f64ae758ca2d2..b6cc8cf24626b0a1f15ec8deffddc704da797c0e 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -27,6 +27,7 @@
 #include <linux/swap.h>
 #include <linux/buffer_head.h>
 #include <linux/writeback.h>
+#include <linux/bit_spinlock.h>
 
 #include "aops.h"
 #include "attrib.h"