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From: Andrew Morton <akpm@linux-foundation.org>
To: Abhishek Rai <abhishekrai@google.com>
Cc: linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org,
	rohitseth@google.com
Subject: Re: [CALL FOR TESTING] Make Ext3 fsck way faster [2.6.24-rc6 -mm patch]
Date: Wed, 23 Jan 2008 23:49:05 -0800	[thread overview]
Message-ID: <20080123234905.35664ed6.akpm@linux-foundation.org> (raw)
In-Reply-To: <200801230412.16992.abhishekrai@google.com>

> On Wed, 23 Jan 2008 04:12:16 -0500 Abhishek Rai <abhishekrai@google.com> wrote:
> > I'm wondering about the interaction between this code and the
> > buffer_boundary() logic.  I guess we should disable the buffer_boundary()
> > handling when this code is in effect.  Have you reviewed and tested that
> > aspect?
> 
> Thanks for pointing this out, I had totally missed this issue in my change. I've now made the call to set_buffer_boundary() in ext3_get_blocks_handle() subject to metacluster option being set.
> 

Did it make any performance difference?  iirc the buffer_boundary stuff was
worth around 10% on a single linear read of a large, well-laid-out file.

  reply	other threads:[~2008-01-24  7:49 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-23  9:12 [CALL FOR TESTING] Make Ext3 fsck way faster [2.6.24-rc6 -mm patch] Abhishek Rai
2008-01-24  7:49 ` Andrew Morton [this message]
2008-01-24 13:14   ` Abhishek Rai
     [not found] <200801140839.01986.abhishekrai@google.com>
2008-01-15  0:34 ` Andrew Morton
2008-01-15 11:04   ` Andrew Morton
2008-01-15 13:15     ` Christoph Hellwig
2008-01-15 13:16       ` Christoph Hellwig
2008-01-15 15:28       ` Theodore Tso
2008-01-17 12:47         ` Abhishek Rai
2008-01-20  4:10           ` Daniel Phillips
2008-01-21  2:51             ` Theodore Tso
2008-01-24 19:04               ` Daniel Phillips
2008-01-15 15:09     ` Ric Wheeler
2008-01-16  5:08       ` Valdis.Kletnieks
2008-01-16  4:25     ` Valdis.Kletnieks
2008-01-17 11:36       ` Andreas Dilger
2008-01-20  3:55     ` Daniel Phillips

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