From: Hillf Danton <dhillf@gmail.com>
Subject: Re: getdents - ext4 vs btrfs performance
Date: Thu, 1 Mar 2012 21:50:10 +0800
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Cc: Chris Mason <chris.mason@oracle.com>, linux-ext4@vger.kernel.org,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>, linux-btrfs@vger.kernel.org,
	lczerner@redhat.com
To: Jacek Luczak <difrost.kernel@gmail.com>
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On Thu, Mar 1, 2012 at 9:35 PM, Jacek Luczak <difrost.kernel@gmail.com> wrote:
>
> While I was about to grab acp I've noticed seekwatcher with made my day :)
>
> seekwatcher run of tar cf to eliminate writes (all done on 3.2.7):
> 1) btrfs: http://dozzie.jarowit.net/~dozzie/luczajac/tar_btrfs.png
> 2) ext4: http://dozzie.jarowit.net/~dozzie/luczajac/tar_ext4.png
> 3) both merged: http://dozzie.jarowit.net/~dozzie/luczajac/tar_btrfs_ext4.png
>
> I will send acp results soon.
>
Would you please take reiserfs into account?

Thanks
-hd