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

From: Jeremy Fitzhardinge
Date: Mon Aug 18 2008 - 13:17:10 EST


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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/