[PATCH] virtio-blk: add back VIRTIO_BLK_F_FLUSH

Rusty Russell
Mon, 09 Jul 2012 00:11:50 -0000

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.