diff --git a/include/linux/fs.h b/include/linux/fs.h
index c1f9935..7f5a8ad2 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -161,8 +161,8 @@
  * These aren't really reads or writes, they pass down information about
  * parts of device that are now unused by the file system.
  */
-#define DISCARD_NOBARRIER (1 << BIO_RW_DISCARD)
-#define DISCARD_BARRIER ((1 << BIO_RW_DISCARD) | (1 << BIO_RW_BARRIER))
+#define DISCARD_NOBARRIER (WRITE | (1 << BIO_RW_DISCARD))
+#define DISCARD_BARRIER (DISCARD_NOBARRIER | (1 << BIO_RW_BARRIER))
 
 #define SEL_IN		1
 #define SEL_OUT		2