Linux Virtualization - Jul 2012 - [PATCH] virtio-blk: add back VIRTIO_BLK_F_FLUSH

The old name is part of the userspace API, add it back for compatibility.

Reported-by: Sasha Levin <levinsasha928 at gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini at redhat.com>
---
 include/linux/virtio_blk.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index 18a1027..83a3116 100644
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -41,6 +41,9 @@
 #define VIRTIO_BLK_F_TOPOLOGY	10	/* Topology information is available */
 #define VIRTIO_BLK_F_CONFIG_WCE	11	/* Writeback mode available in config */
 
+/* Backwards-compatibility #defines for renamed features.  */
+#define VIRTIO_BLK_F_FLUSH	VIRTIO_BLK_F_WCE
+
 #define VIRTIO_BLK_ID_BYTES	20	/* ID string length */
 
 struct virtio_blk_config {
-- 
1.7.1

On Thu,  5 Jul 2012 12:08:22 +0200, Paolo Bonzini <pbonzini at redhat.com>
wrote:
> The old name is part of the userspace API, add it back for compatibility.
> 
> Reported-by: Sasha Levin <levinsasha928 at gmail.com>
> Signed-off-by: Paolo Bonzini <pbonzini at redhat.com>
> ---
>  include/linux/virtio_blk.h |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
> index 18a1027..83a3116 100644
> --- a/include/linux/virtio_blk.h
> +++ b/include/linux/virtio_blk.h
> @@ -41,6 +41,9 @@
>  #define VIRTIO_BLK_F_TOPOLOGY	10	/* Topology information is available */
>  #define VIRTIO_BLK_F_CONFIG_WCE	11	/* Writeback mode available in config
*/
>  
> +/* Backwards-compatibility #defines for renamed features.  */
> +#define VIRTIO_BLK_F_FLUSH	VIRTIO_BLK_F_WCE
Please #ifndef __KERNEL__?

Thanks,
Rusty.