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

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Message-ID: <f8632b39-e793-1e8a-990c-5d612fbdb7b0@suse.com>
Date:   Fri, 9 Dec 2016 11:13:34 +0100
From:   Juergen Gross <jgross@...e.com>
To:     linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org
Cc:     boris.ostrovsky@...cle.com, lambert.quentin@...il.com,
        linux-scsi@...r.kernel.org, dan.carpenter@...cle.com,
        jejb@...ux.vnet.ibm.com, martin.petersen@...cle.com
Subject: Re: [PATCH v2] xen/scsifront: don't request a slot on the ring until
 request is ready

On 02/12/16 07:15, 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@...e.com>
> Signed-off-by: Juergen Gross <jgross@...e.com>


Commited to xen/tip.git for-linus-4.10


Juergen