This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


[Xen-devel] Re: linux-next regression: IO errors in with ext4 and xen-bl

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: [Xen-devel] Re: linux-next regression: IO errors in with ext4 and xen-blkfront
From: Jens Axboe <axboe@xxxxxxxxx>
Date: Fri, 22 Oct 2010 10:57:40 +0200
Cc: Theodore Ts'o <tytso@xxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx>, "Xen-devel@xxxxxxxxxxxxxxxxxxx" <Xen-devel@xxxxxxxxxxxxxxxxxxx>, Andreas Dilger <adilger.kernel@xxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>
Delivery-date: Fri, 22 Oct 2010 02:02:42 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20101022085624.GA5672@xxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <4CBF83A0.8090802@xxxxxxxx> <4CBF84C9.6050606@xxxxxxxx> <4CC148E5.2030605@xxxxxxxxx> <20101022082916.GA14070@xxxxxxxxxxxxx> <4CC1515E.6080006@xxxxxxxxx> <20101022085624.GA5672@xxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
On 2010-10-22 10:56, Christoph Hellwig wrote:
> On Fri, Oct 22, 2010 at 10:54:54AM +0200, Jens Axboe wrote:
>> So how about we just disable barriers for Xen atm? I would really really
>> like to push that branch out as well now, since I'll be travelling for
>> most of the merge window this time.
> Yes, that's what removing/commenting out that line does.

Certainly, but I meant in the barrier branch for submission. If
it doesn't do empty flushes to begin with, that should be fixed
up before being enabled in any case.

I'll disable barrier support in xen-blkfront.c for now.

Jens Axboe

Xen-devel mailing list