linux-kernel - Re: [patch] Give kjournald a IOPRIO_CLASS

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Message-ID: <473DE3C8.9060009@hp.com>
Date:	Fri, 16 Nov 2007 13:39:04 -0500
From:	"Alan D. Brunelle" <alan.brunelle@...com>
To:	Ray Lee <ray-lk@...rabbit.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>, arjan@...radead.org,
	jens.axboe@...cle.com, mingo@...e.hu, linux-kernel@...r.kernel.org
Subject: Re: [patch] Give kjournald a IOPRIO_CLASS_RT io priority

Ray Lee wrote:

> 
> Out of curiosity, what are the mount options for the freshly created
> ext3 fs? In particular, are you using noatime, nodiratime?
> 
> Ray

Nope, just mount. However, the tool I'm using to read the large file & 
overwrite the large file does open with O_NOATIME for reads...

The tool used to read the files in the read-a-tree test is dd, and I 
doubt(?) it does a O_NOATIME...

Alan
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