Add 'discard' request handling

[linux-2.6-omap-h63xx.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 580b513668feffbb32f9d161113e10b17718dfe5..eb01313191349bb348c2ad626e7ee6162be15f79 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -86,7 +86,8 @@ extern int dir_notify_enable;
 #define READ_META      (READ | (1 << BIO_RW_META))
 #define WRITE_SYNC     (WRITE | (1 << BIO_RW_SYNC))
 #define SWRITE_SYNC    (SWRITE | (1 << BIO_RW_SYNC))
-#define WRITE_BARRIER  ((1 << BIO_RW) | (1 << BIO_RW_BARRIER))
+#define WRITE_BARRIER  (WRITE | (1 << BIO_RW_BARRIER))
+#define WRITE_DISCARD  (WRITE | (1 << BIO_RW_DISCARD))
 
 #define SEL_IN         1
 #define SEL_OUT                2