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Date: Thu, 30 Jun 2011 14:45:33 +0200
From: Alexander Graf <agraf@suse.de>
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Subject: Re: [Qemu-devel] [PATCH] xen_disk: treat "aio" as "raw"
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To: Kevin Wolf <kwolf@redhat.com>
Cc: xen-devel@lists.xensource.com, qemu-devel@nongnu.org, stefano.stabellini@eu.citrix.com

On 06/30/2011 02:47 PM, Kevin Wolf wrote:
> Am 30.06.2011 13:47, schrieb Alexander Graf:
>> On 06/24/2011 04:50 PM, stefano.stabellini@eu.citrix.com wrote:
>>> From: Stefano Stabellini<stefano.stabellini@eu.citrix.com>
>>>
>>> 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.
> The asynchronous raw blktap driver is (was?) called "aio", so I guess
> it's to stay compatible with that. Has always been this way in Xen (and
> has always been confusing). As long as it stays in xen_disk.c, I don't
> really mind...

Is there a realistic chance of changing the toolstack here? I'd really 
prefer not to drag this legacy around :).


Alex