linux-kernel - Re: XFS filesystem performance drop in kernels 2.6.16+

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Message-ID: <4553F3C6.2030807@sandeen.net>
Date:	Thu, 09 Nov 2006 21:36:38 -0600
From:	Eric Sandeen <sandeen@...deen.net>
To:	"Igor A. Valcov" <viaprog@...il.com>
CC:	linux-kernel <linux-kernel@...r.kernel.org>, xfs@....sgi.com
Subject: Re: XFS filesystem performance drop in kernels 2.6.16+

Igor A. Valcov wrote:

> I also noticed that I/O barriers were introduced in v2.6.16 and
> thought they may be the cause, but mounting the file system with
> 'nobarrier' doesn't seem to affect the performance in any way.

did this happen to be a remount with nobarrier, or a fresh mount?

-Eric
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