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* [PATCH] virtio-blk: add back VIRTIO_BLK_F_FLUSH
@ 2012-07-05 10:08 Paolo Bonzini
  2012-07-09  0:11 ` Rusty Russell
  0 siblings, 1 reply; 2+ messages in thread
From: Paolo Bonzini @ 2012-07-05 10:08 UTC (permalink / raw)
  To: linux-kernel, virtualization, kvm
  Cc: levinsasha928, Rusty Russell, Michael S. Tsirkin

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

Reported-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@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


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] virtio-blk: add back VIRTIO_BLK_F_FLUSH
  2012-07-05 10:08 [PATCH] virtio-blk: add back VIRTIO_BLK_F_FLUSH Paolo Bonzini
@ 2012-07-09  0:11 ` Rusty Russell
  0 siblings, 0 replies; 2+ messages in thread
From: Rusty Russell @ 2012-07-09  0:11 UTC (permalink / raw)
  To: Paolo Bonzini, linux-kernel, virtualization, kvm
  Cc: levinsasha928, Michael S. Tsirkin

On Thu,  5 Jul 2012 12:08:22 +0200, Paolo Bonzini <pbonzini@redhat.com> wrote:
> The old name is part of the userspace API, add it back for compatibility.
> 
> Reported-by: Sasha Levin <levinsasha928@gmail.com>
> Signed-off-by: Paolo Bonzini <pbonzini@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.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2012-07-05 10:08 [PATCH] virtio-blk: add back VIRTIO_BLK_F_FLUSH Paolo Bonzini
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