linux-kernel - Re: [PATCH RFC 3/4] xen, blkfront: introduce support for multiple hw queues

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Message-ID: <5412D002.7050800@citrix.com>
Date:	Fri, 12 Sep 2014 11:50:42 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	<avanzini.arianna@...il.com>
CC:	<konrad.wilk@...cle.com>, <boris.ostrovsky@...cle.com>,
	<xen-devel@...ts.xenproject.org>, <linux-kernel@...r.kernel.org>,
	<bob.liu@...cle.com>, <felipe.franciosi@...rix.com>, <axboe@...com>
Subject: Re: [PATCH RFC 3/4] xen, blkfront: introduce support for multiple
 hw queues

On 12/09/14 00:36, Arianna Avanzini wrote:
> On Fri, Aug 22, 2014 at 01:52:57PM +0100, David Vrabel wrote:
> 
>> You will also need to to add documentation for the XenStore keys to the
>> blkif.h header in Xen.
>>
> 
> Thank you for pointing that out. I'll add the documentation when/if I'll
> drop the RFC tag, if it's OK (I'll need to send a separate patch to
> xen-devel, I think).

ABI specification/documentation should be the first patch, not left
until the end!

Since the ABI is undergoing review in combination with the blkback/front
implementation, it would be fine to just patch Linux's copy in
include/xen/interface/io/blkif.h

David
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