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

Previous thread: Re: How to find out, what "pdflush" is working on by Martin Knoblauch on Wednesday, September 17, 2008 - 1:11 am. (1 message)

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From: Chris Lalancette
Date: Wednesday, September 17, 2008 - 1:04 am

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@redhat.com>
Acked-by: Jeremy Fitzhardinge <jeremy@goop.org>
From: Jeremy Fitzhardinge
Date: Wednesday, September 17, 2008 - 11:11 am

Jens, do you have this one already?

Thanks,
    J
--

From: Jens Axboe
Date: Wednesday, September 17, 2008 - 11:20 am

I do not. Looks fine to me, I'll add it for 2.6.28.

-- 
Jens Axboe

--

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