[Xen-devel] Re: [PATCH] xen_disk: treat "aio" as "raw"

[Kevin Wolf <kwolf@xxxxxxxxxx>]

Am 30.06.2011 13:47, schrieb Alexander Graf:
> On 06/24/2011 04:50 PM, stefano.stabellini@xxxxxxxxxxxxx wrote:
>> From: Stefano Stabellini<stefano.stabellini@xxxxxxxxxxxxx>
>>
>> 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...

Kevin

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