Re: [Qemu-devel] Re: [PATCH] virtio-blk: add SGI_IO passthru support

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On Tue, Apr 28, 2009 at 11:37:01AM -0500, Anthony Liguori wrote:
> Ah, excellent.  I think that's a great thing to do.  So do you think 
> virtio-scsi would deprecate virtio-blk?

I don't think so.  If you have an image format or a non-scsi blockdevice
underneath virtio-block avoids the encoding into SCSI CDBs and back and
should be faster.  

> I've gotten a number of requests for exposing stuff like VPD through 
> virtio-blk.  There's also a surprising amount of software out there that 
> assumes /dev/sdX or /dev/hdX naming.

They should be fixed for a while, we have lots of non-scsi, non-ide
block devices.

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