linux-kernel - Re: [dm-devel] [PATCH resend] block: silently error unsupported empty barriers too

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Message-ID: <Pine.LNX.4.64.0910151510340.22075@hs20-bc2-1.build.redhat.com>
Date:	Thu, 15 Oct 2009 15:11:00 -0400 (EDT)
From:	Mikulas Patocka <mpatocka@...hat.com>
To:	Alasdair G Kergon <agk@...hat.com>
cc:	Jens Axboe <jens.axboe@...cle.com>,
	Mark McLoughlin <markmc@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	device-mapper development <dm-devel@...hat.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	virtualization <virtualization@...ts.linux-foundation.org>,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: [dm-devel] [PATCH resend] block: silently error unsupported
 empty barriers too



On Thu, 15 Oct 2009, Alasdair G Kergon wrote:

> On Thu, Sep 03, 2009 at 04:47:50PM +0100, Mark McLoughlin wrote:
> > We should error all barriers, even empty barriers, on devices like
> > virtio_blk which don't support them.
> 
> Acked-by: Alasdair G Kergon <agk@...hat.com>

Acked-by: Mikulas Patocka <mpatocka@...hat.com>
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