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From: "Marti Raudsepp" <marti@juffo.org>
To: "Milan Broz" <mbroz@redhat.com>
Cc: "Alasdair G Kergon" <agk@redhat.com>,
"Lennart Sorensen" <lsorense@csclub.uwaterloo.ca>,
"device-mapper development" <dm-devel@redhat.com>,
"Kernel hackers" <linux-kernel@vger.kernel.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Christophe Saout" <christophe@saout.de>
Subject: Re: [PATCH] disable barriers in dm-crypt [was Re: BUG: Files corrupt after moving LVM volume to USB disk]
Date: Mon, 26 Mar 2007 03:05:19 +0300 [thread overview]
Message-ID: <2a12af650703251705x30a05194je1cfece44b2cf45d@mail.gmail.com> (raw)
In-Reply-To: <4603E806.3030205@redhat.com>
On 3/23/07, Milan Broz <mbroz@redhat.com> wrote:
> Disable barriers in dm-crypt because of current workqueue processing
> can reorder requests.
>
> --- linux-2.6.20.1.orig/drivers/md/dm-crypt.c 2007-03-23 15:07:11.000000000 +0100
> +++ linux-2.6.20.1/drivers/md/dm-crypt.c 2007-03-23 15:09:59.000000000 +0100
> + if (bio_barrier(bio))
> + return -EOPNOTSUPP;
> +
Sorry, this doesn't help either. ext3 is still slow, reiserfs still fails.
(And sorry for the double e-mail, I forgot to reply to all)
Marti Raudsepp
prev parent reply other threads:[~2007-03-26 0:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070322000348.92631512.akpm@linux-foundation.org>
[not found] ` <20070322153301.GN27600@agk.surrey.redhat.com>
2007-03-23 0:42 ` [dm-devel] Fw: BUG: Files corrupt after moving LVM volume to USB disk Marti Raudsepp
2007-03-23 14:45 ` [PATCH] disable barriers in dm-crypt [was Re: BUG: Files corrupt after moving LVM volume to USB disk] Milan Broz
2007-03-26 0:05 ` Marti Raudsepp [this message]
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