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Date: Thu, 06 Nov 2014 18:24:25 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] Geometry and blocksize support for backing devices
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To: Christian Borntraeger <borntraeger@de.ibm.com>, Markus Armbruster <armbru@redhat.com>, Stefan Hajnoczi <stefanha@gmail.com>, Kevin Wolf <kwolf@redhat.com>
Cc: cornelia.huck@de.ibm.com, dahi@linux.vnet.ibm.com, Ekaterina Tumanova <tumanova@linux.vnet.ibm.com>, qemu-devel@nongnu.org, Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>


On 06/11/2014 16:58, Christian Borntraeger wrote:
> Now here comes my proposal:
> Markus statement brought up an idea of special casing DASDs support. We can
> call an ioctl BIODASDINFO on the block device that will only succeed if the host
> disk is really a dasd. We could enable the auto detection for that case.

That would be enough for me, actually.

Paolo