Subject: Re: [PATCH 03/11] readahead: bump up the default readahead size
From: Matt Mackall <mpm@selenic.com>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>,
       Andrew Morton <akpm@linux-foundation.org>,
       Jens Axboe <jens.axboe@oracle.com>,
       Chris Mason <chris.mason@oracle.com>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Martin Schwidefsky <schwidefsky@de.ibm.com>,
       Clemens Ladisch <clemens@ladisch.de>,
       Olivier Galibert <galibert@pobox.com>,
       Linux Memory Management List <linux-mm@kvack.org>,
       "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
       LKML <linux-kernel@vger.kernel.org>,
       Paul Gortmaker <paul.gortmaker@windriver.com>,
       David Woodhouse <dwmw2@infradead.org>, linux-embedded@vger.kernel.org
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Date: Thu, 11 Feb 2010 15:37:34 -0600
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On Mon, 2010-02-08 at 21:46 +0800, Wu Fengguang wrote:
> Chris,
> 
> Firstly inform the linux-embedded maintainers :)
> 
> I think it's a good suggestion to add a config option
> (CONFIG_READAHEAD_SIZE). Will update the patch..

I don't have a strong opinion here beyond the nagging feeling that we
should be using a per-bdev scaling window scheme rather than something
static.

-- 
http://selenic.com : development and support for Mercurial and Linux


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