[Xen-devel] Re: [PATCH] xen_disk: treat "aio" as "raw"

[Alexander Graf <agraf@xxxxxxx>]

On 06/24/2011 04:50 PM, stefano.stabellini@xxxxxxxxxxxxx wrote:
> From: Stefano Stabellini<stefano.stabellini@xxxxxxxxxxxxx>
>
> Sometimes the toolstack uses "aio" without an additional format
> identifier, in such cases use "raw".
Shouldn't this rather be a patch to the toolstack then? We do automatic 
file format recognition as default. I find magical "aio equals raw" 
subtleties rather unintuitive.

> Signed-off-by: Stefano Stabellini<stefano.stabellini@xxxxxxxxxxxxx>
> ---
>   hw/xen_disk.c |    2 ++
>   1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/hw/xen_disk.c b/hw/xen_disk.c
> index 801da58..745127d 100644
> --- a/hw/xen_disk.c
> +++ b/hw/xen_disk.c
> @@ -633,6 +633,8 @@ static int blk_init(struct XenDevice *xendev)
>               blkdev->filename  = blkdev->params;
>           }
>       }
> +    if (!strcmp("aio", blkdev->fileproto))
> +        blkdev->fileproto = "raw";
Braces

>       if (blkdev->mode == NULL) {
>           blkdev->mode = xenstore_read_be_str(&blkdev->xendev, "mode");
>       }

Alex


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