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[Xen-devel] Re: [PATCH RESEND]: Expand Xen blkfront for > 16 xvd

To: Chris Lalancette <clalance@xxxxxxxxxx>
Subject: [Xen-devel] Re: [PATCH RESEND]: Expand Xen blkfront for > 16 xvd
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Wed, 17 Sep 2008 11:11:59 -0700
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Jens Axboe <jens.axboe@xxxxxxxxxx>
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Chris Lalancette wrote:
> Until recently, the maximum number of xvd block devices you could attach to
> a Xen domU was 16.  This limitation turned out to be problematic for some 
> users,
> so it was expanded to handle a much larger number of disks.  However, this
> requires a couple of changes in the way that blkfront scans for disks.  This
> functionality is already present in the Xen linux-2.6.18-xen.hg tree; the
> attached patch adds this functionality to the mainline xen-blkfront
> implementation.  I successfully tested it on a 2.6.25 tree, and build tested 
> it
> on 2.6.27-rc3.
> Signed-off-by: Chris Lalancette <clalance@xxxxxxxxxx>
> Acked-by: Jeremy Fitzhardinge <jeremy@xxxxxxxx>

Jens, do you have this one already?


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