Re: [PATCH v2] xen/scsifront: don't request a slot on the ring until request is ready

[Boris Ostrovsky]

On 12/02/2016 01:15 AM, Juergen Gross wrote:
> Instead of requesting a new slot on the ring to the backend early, do
> so only after all has been setup for the request to be sent. This
> makes error handling easier as we don't need to undo the request id
> allocation and ring slot allocation.
>
> Suggested-by: Jan Beulich <jbeulich@xxxxxxxx>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

(although it would be good to have someone familiar with this code look 
at this as well).