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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Mark McLoughlin <markmc@redhat.com>
Cc: linux-kernel@vger.kernel.org,
	Christian Limpach <Christian.Limpach@xensource.com>
Subject: Re: [PATCH] xen blkfront: Delay wait for block devices until after the disk is added.
Date: Thu, 20 Mar 2008 21:17:26 -0700	[thread overview]
Message-ID: <47E336D6.4020807@goop.org> (raw)
In-Reply-To: <1206005390-18306-1-git-send-email-markmc@redhat.com>

Mark McLoughlin wrote:
> From: Christian Limpach <Christian.Limpach@xensource.com>
>
> When the xen block frontend driver is built as a module the module load
> is only synchronous up to the point where the frontend and the backend
> become connected rather than when the disk is added.
>
> This means that there can be a race on boot between loading the module and
> loading the dm-* modules and doing the scan for LVM physical volumes (all
> in the initrd). In the failure case the disk is not present until after the
> scan for physical volumes is complete.
>   

Thanks, I've queued this.

    J

      reply	other threads:[~2008-03-21  4:21 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-20  9:29 [PATCH] xen blkfront: Delay wait for block devices until after the disk is added Mark McLoughlin
2008-03-21  4:17 ` Jeremy Fitzhardinge [this message]

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