Re: [Xen-devel] [PATCH v4 4/5] vscsiif.h: add some notes about xenstore layout

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Apr 17, 2015 at 08:30:59AM +0000, Olaf Hering wrote:
> Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
> Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: Keir Fraser <keir@xxxxxxx>
> Cc: Tim Deegan <tim@xxxxxxx>
> ---
>  xen/include/public/io/vscsiif.h | 68 
> +++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 68 insertions(+)
> 
> diff --git a/xen/include/public/io/vscsiif.h b/xen/include/public/io/vscsiif.h
> index e8e38a9..6aaba22 100644
> --- a/xen/include/public/io/vscsiif.h
> +++ b/xen/include/public/io/vscsiif.h
> @@ -104,6 +104,74 @@
>   *      response structures.
>   */
>  
> +/*
> + * Xenstore format in practice
> + * ===========================
> + * 
> + * The backend driver uses a single_host:many_devices notation to manage domU
> + * devices. Everything is stored in /local/domain/0/backend/vscsi/. The

Don't assume backend domid to be 0.

Wei.

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