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>
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index e2aba15..6d8e61c 100644
--- 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 {