Message-ID: <4423F60B.6020805@garzik.org>
Date: Fri, 24 Mar 2006 08:37:15 -0500
From: Jeff Garzik <jeff@garzik.org>
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
CC: Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk>,
       Anthony Liguori <aliguori@us.ibm.com>,
       Chris Wright <chrisw@sous-sol.org>, virtualization@lists.osdl.org,
       xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org,
       Ian Pratt <ian.pratt@xensource.com>, ian.pratt@cl.cam.ac.uk,
       SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: [RFC PATCH 35/35] Add Xen virtual block device driver.
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Jeff Garzik wrote:
> In fact, SCSI should make a few things easier, because the notion of 
> host+bus topology is already present, and notion of messaging is already 
> present, so you don't have to recreate that in a Xen block device 
> infrastructure.

Another benefit of SCSI:  when an IBM hypervisor in the Linux kernel 
switched to SCSI, that allowed them to replace several drivers (virt 
disk, virt cdrom, virt floppy?) with a single virt-SCSI driver.

	Jeff


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