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List:       dm-devel
Subject:    [dm-devel] Re: [PATCH] disable barriers in dm-crypt [was Re: BUG:
From:       "Marti Raudsepp" <marti () juffo ! org>
Date:       2007-03-26 0:05:19
Message-ID: 2a12af650703251705x30a05194je1cfece44b2cf45d () mail ! gmail ! com
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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

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