linux-kernel - Re: [PATCH]: Expand Xen blkfront for

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Message-ID: <48A9AE88.3060507@goop.org>
Date:	Mon, 18 Aug 2008 10:16:56 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Chris Lalancette <clalance@...hat.com>
CC:	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH]: Expand Xen blkfront for > 16 xvd

Chris Lalancette wrote:
> Jeremy,
>      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 haven't tested this yet.  You have tested it OK with some pvops
kernel?  If so, send it to Jens Axboe with my ack.

>   I successfully tested it on a 2.6.25 tree.  I build tested it
> on 2.6.27-rc3, but couldn't get that tree to boot due to some other bug.

What other bug?

    J
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