From: Rusty Russell <rusty@rustcorp.com.au>
Subject: virtio-blk: return VIRTIO_BLK_F_FLUSH to header.

This got renamed and clarified, but let's not break any userspace out there.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 include/linux/virtio_blk.h |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
--- a/include/linux/virtio_blk.h
+++ b/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 {