linux-kernel - Re: BTRFS: Unbelievably slow with kvm/qemu

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Message-ID: <AANLkTimWPLqEf4LjHx39zO7yzkJ_c157OjOm3UnBRgJ2@mail.gmail.com>
Date:	Mon, 12 Jul 2010 22:23:14 +0200
From:	Giangiacomo Mariotti <gg.mariotti@...il.com>
To:	Josef Bacik <josef@...hat.com>
Cc:	Michael Tokarev <mjt@....msk.ru>, linux-kernel@...r.kernel.org,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	qemu-devel <qemu-devel@...gnu.org>
Subject: Re: BTRFS: Unbelievably slow with kvm/qemu

On Mon, Jul 12, 2010 at 3:43 PM, Josef Bacik <josef@...hat.com> wrote:
>
> O_DIRECT support was just introduced recently, please try on the latest kernel
> with the normal settings (which IIRC uses O_DIRECT), that should make things
> suck alot less.  Thanks,
>
> Josef
>
With latest kernel do you mean the current Linus' git tree? Because if
instead you're talking about the current stable kernel, that's the one
I used on my test.

-- 
Giangiacomo
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