diff --git a/include/linux/fs.h b/include/linux/fs.h
index a3937a8..876275f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1641,16 +1641,17 @@
  *
  * Q: What is the difference between I_WILL_FREE and I_FREEING?
  */
-#define I_DIRTY_SYNC		1
-#define I_DIRTY_DATASYNC	2
-#define I_DIRTY_PAGES		4
+#define I_DIRTY_SYNC		(1 << 0)
+#define I_DIRTY_DATASYNC	(1 << 1)
+#define I_DIRTY_PAGES		(1 << 2)
 #define __I_NEW			3
 #define I_NEW			(1 << __I_NEW)
-#define I_WILL_FREE		16
-#define I_FREEING		32
-#define I_CLEAR			64
+#define I_WILL_FREE		(1 << 4)
+#define I_FREEING		(1 << 5)
+#define I_CLEAR			(1 << 6)
 #define __I_SYNC		7
 #define I_SYNC			(1 << __I_SYNC)
+#define I_REFERENCED		(1 << 8)
 
 #define I_DIRTY (I_DIRTY_SYNC | I_DIRTY_DATASYNC | I_DIRTY_PAGES)