linux-kernel - Re: [dm-devel] Barriers still not passing on simple dm devices...

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Message-Id: <E1LmpGX-0001gP-6q@be1.7eggert.dyndns.org>
Date:	Thu, 26 Mar 2009 14:05:00 +0100
From:	Bodo Eggert <7eggert@....de>
To:	Mikulas Patocka <mpatocka@...hat.com>,
	Jens Axboe <jens.axboe@...cle.com>,
	device-mapper development <dm-devel@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andi Kleen <ak@...e.de>,
	 ?missing closing '"' in token?"MASON",
	CHRISTOPHER <CHRIS.MASON@...cle.com>
Subject: Re: [dm-devel] Barriers still not passing on simple dm devices...

Mikulas Patocka <mpatocka@...hat.com> wrote:

> ./drivers/block/loop.c:
> doesn't reject barriers, it's ok because it doesn't reorder requests

But it relies on other devices to not reorder.

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