diff --git a/[refs] b/[refs]
index 899f941ab4a6..c46c370b7bc4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cd5d503862b0d0d927c56ef2e34d3ededac88039
+refs/heads/master: 6a743897144500fb4c4566ced3a498d5180fbb5b
diff --git a/trunk/include/linux/virtio_blk.h b/trunk/include/linux/virtio_blk.h
index e2aba15f545d..6d8e61c48563 100644
--- a/trunk/include/linux/virtio_blk.h
+++ b/trunk/include/linux/virtio_blk.h
@@ -41,6 +41,11 @@
 #define VIRTIO_BLK_F_TOPOLOGY	10	/* Topology information is available */
 #define VIRTIO_BLK_F_CONFIG_WCE	11	/* Writeback mode available in config */
 
+#ifndef __KERNEL__
+/* Old (deprecated) name for VIRTIO_BLK_F_WCE. */
+#define VIRTIO_BLK_F_FLUSH VIRTIO_BLK_F_WCE
+#endif
+
 #define VIRTIO_BLK_ID_BYTES	20	/* ID string length */
 
 struct virtio_blk_config {